1 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
3 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
5 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
7 2000-05-22 Jakub Jelinek <jakub@redhat.com>
9 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
12 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14 * alias.c (record_component_aliases): New function.
15 * tree.h: Clean up some declarations and comments.
16 (record_component_aliases): New declaration.
17 * tree.c (get_alias_set): If type and has alias set, use it.
19 2000-05-22 Richard Henderson <rth@cygnus.com>
21 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
22 IF_THEN_ELSE to a setcc form.
23 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
25 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
28 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
30 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
32 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
35 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
37 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
38 * config/mn10300/mn10300.c (print_operand): Likewise.
40 * final.c (split_double): Right shift of negative values is not
43 * ifcvt.c (if_convert): Scan and kill dead code.
45 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
47 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
49 * diagnostic.c: Eliminate implicit int.
50 * except.c, gcc.c: Add static prototypes.
51 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
52 * gensupport.c (process_rtx): Use XVEC to initialize vector
55 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
56 debug_reg_names instead of static reg_names. If not, define
58 * regclass.c: Don't define global reg_names unless
59 DEBUG_REGISTER_NAMES is defined.
61 * reload1.c (order_regs_for_reload): Remove unused variable.
62 * varasm.c: Include output.h after defaults.h. Define
63 eh_frame_section as function of no args, not of unspecified args.
65 * gcc.c: Constify argbuf; arguments to store_arg,
66 process_command, main; elements of struct command and struct
67 switchstr; local variables in execute, process_command, main.
69 2000-05-20 Bruce Korb <bkorb@gnu.org>
71 * fixinc/inclhack.def: many applications of c_fix=format + tests
72 * fixinc/check.diff: regenerated
73 * fixinc/fixincl.x: regenerated
75 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
77 * alias.c: Clarify some comments.
78 (record_base_value): REGNO is unsigned.
79 * rtl.h (record_base_value): Likewise.
81 * alias.c (aliases_everything_p): Don't special-case QImode here.
82 * c-common.c (c_get_alias_set): Do it here.
83 Handle BIT_FIELD_REF by getting alias info for arg.
86 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
88 * mklibgcc.in: Restore rule to create ${dir}.
90 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
92 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
93 GCC_FOR_TARGET used by MULTILIBS.
94 * mklibgcc.in: Make sure each .o file depends on the
95 directory it will be in.
96 Make the multilib directory depends libgcc.
98 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
100 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
102 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
104 * fold-const.c (make_range): Handle degenerated intervals.
105 Fixes c-torture/execute/991221-1.c
107 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
109 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
110 * reload.c (find_equiv_reg): Likewise.
111 * alias.c (init_alias_analysis): Likewise.
112 Only call prologue_epilogue_contains on insns.
113 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
114 * bb-reorder.c (hard-reg-set.h): Include earlier.
115 * haifa-sched.c (hard-reg-set.h): Likewise.
116 * ifcvt.c (hard-reg-set.h): Likewise.
117 * local-alloc.c (hard-reg-set.h): Likewise.
118 * loop.c (hard-reg-set.h): Likewise.
119 * predict.c (hard-reg-set.h): Likewise.
120 * regrename.c (hard-reg-set.h): Likewise.
121 * flow.c (hard-reg-set.h): Likewise.
122 (reg_set_to_hard_reg_set): New function.
123 * bitmap.c (regs.h, basic-block.h): No longer include.
124 (bitmap.h): Now include.
125 * conflict.c (hard-reg-set.h): Include.
126 * profile.c (hard-reg-set.h): Likewise.
127 * print-rtl.c (hard-reg-set.h): Likewise.
128 * sbitmap.c (hard-reg-set.h): Likewise.
129 * toplev.c (hard-reg-set.h): Likewise.
130 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
131 * hard-reg-set.h (reg_names): Now constant.
132 * regs.h (reg_names): Likewise.
133 * regclass.c (reg_names): Likewise.
134 * loop.h (basic-block.h): No longer include.
135 (bitmap.h): Now include.
136 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
137 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
138 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
140 2000-05-19 Jan Hubicka <jh@suse.cz>
141 Richard Henderson <rth@cygnus.com>
143 * basic-block.h (struct edge_def): New field "count".
144 (struct basic_block_def): Likewise.
145 * flow.c (entry_exit_blocks): Add count fileds.
146 (split_edge): Keep count information up-to-date.
147 (dump_edge_info, dump_flow_info): Dump count fields.
149 * final.c (count_instrumented_edges): Rename to edge from arc.
150 (end_final): Update users.
151 * profile.c: Include expr.h, basic-block.h.
152 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
153 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
154 (ignore_next_note, return_label_execution_count): Kill.
155 (bbg_file_name, da_file_name): Kill.
156 (edge_info, bb_info): New structures.
157 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
158 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
159 (total_num_edges_instrumented): Likewise.
160 (init_arc, expand_spanning_tree): Kill.
161 (fill_spanning_tree, tablejump_entry_p): Kill.
162 (instrument_edges): Rewrite from instrument_arcs to use
163 commit_edge_insertions infrastructure.
164 (compute_branch_probabilities): Remove arguments; rewrite for
165 CFG infrastructure; use rtl_dump_file directly.
166 (branch_prob, find_spanning_tree): Likewise.
167 (union_groups, find_group): New.
168 (init_branch_prob): Make bbg_file_name and da_file_name local.
169 (end_branch_prob): Use rtl_dump_file directly.
170 (init_edge_profiler): Rename to edge from arc.
171 (output_arc_profiler): Kill.
172 (gen_edge_profiler): New.
173 (output_func_start_profiler): Turn off profiling. Make the
174 constructor static when we can.
175 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
177 * toplev.c (DFI_flow): Remove.
178 (DFI_cfg, DFI_life): New.
179 (dump_file): Update accordingly.
180 (compile_file): Call end_branch_prob if profile_arc_flag too.
181 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
182 profiling after the CFG is built. Move flow1 life analysis to
183 DFI_life. Always estimate remaining probabilities.
185 2000-05-19 Richard Henderson <rth@cygnus.com>
187 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
189 * flow.c (make_edges): The sibling call edge to exit is abnormal.
191 2000-05-19 Richard Henderson <rth@cygnus.com>
193 * jump.c (redirect_jump): Add delete_unused argument. Don't
194 remove labels and code following when LABEL_NUSES goes to zero.
195 (invert_jump): Likewise.
196 (jump_optimize_1): Fix redirect/invert arguments.
197 (do_cross_jump, thread_jumps): Likewise.
198 * flow.c (split_edge): Likewise.
199 * reorg.c (optimize_skip): Likewise.
200 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
201 * profile.c (instrument_arcs): Likewise.
202 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
203 * rtl.h: Update prototypes.
205 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
207 * ssa.c (convert_from_ssa): Tell life_analysis we need death
209 (make_regs_equivalent_over_bad_edges): Only look at abnormal
212 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
214 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
215 past l1 when deleting whitespace and markers.
217 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
218 * cpplib.c (do_unassert): Put the list to compare against on
221 2000-05-19 Bruce Korb <bkorb@gnu.org>
223 * fixinc/README: cleaned up old documentation
224 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
225 * fixinc/check.tpl: compute the list of needed directories
226 emit "#if defined(name)" because of conflict
227 omit machine name differences from output differences
228 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
229 (machine_name): change test text to use `sed' markers
230 * fixinc/fixincl.x: regen
232 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
234 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
237 2000-05-18 Chris Demetriou <cgd@sibyte.com>
239 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
240 it to match the current practice.
242 2000-05-18 Mark Mitchell <mark@codesourcery.com>
244 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
246 2000-05-18 Richard Henderson <rth@cygnus.com>
248 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
249 * rtl.h (insn_dependant_p): Declare it.
250 * loop.c (strength_reduce): Use it.
252 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
254 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
255 16-bit and 64-bit clean-up.
257 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
259 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
260 * configure: Rebuilt.
262 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
264 * genopinit.c: Use $ for escape sequences in optab patterns.
265 Remove backslashes from optab patterns. Change $A, $B, $C to
266 expand to (int) whatever instead of just whatever; remove
267 explicit (int) from all optab patterns.
269 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
270 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
271 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
272 genrecog.c: Remove private copies of xmalloc, xrealloc, and
275 2000-05-18 Richard Henderson <rth@cygnus.com>
277 * jump.c (jump_optimize_1): Base minimum insn count during
278 find_cross_jump on BRANCH_COST.
280 2000-05-18 Jakub Jelinek <jakub@redhat.com>
282 * print-rtl.c (print_rtx): Only print note line number as string
283 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
284 * final.c (final_scan_insn): Do nothing for note line number 0.
286 2000-05-18 Jakub Jelinek <jakub@redhat.com>
288 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
289 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
290 NOTE_INSN_DELETED_LABEL.
292 2000-05-18 Nick Clifton <nickc@cygnus.com>
294 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
295 uninitialised data in .rodata not .bss, and do not interpret an
296 error in the initialisation value as meaning that the variable
297 should be placed in the .bss section.
299 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
301 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
302 not `$ac_cv_prog_cc_cc_c_o'.
303 * configure: Regenerated.
305 2000-05-18 Chris Demetriou <cgd@sibyte.com>
306 Richard Henderson <rth@cygnus.com>
308 * c-common.h (enum c_tree_index): Add g77 type entries.
309 (g77_integer_type_node, g77_uinteger_type_node): New.
310 (g77_longint_type_node, g77_ulongint_type_node): New.
311 * c-decl.c (init_decl_processing): Initialize them.
313 2000-05-18 Richard Henderson <rth@cygnus.com>
315 * config/h8300/h8300.md (subs patterns): Use %G to negate.
317 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
318 (small_power_of_two): Likewise; use exact_log2.
319 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
320 (output_adds_subs): Remove.
321 (two_insn_adds_subs_operand): New.
322 (split_adds_subs): New.
323 * config/h8300/h8300-protos.h: Update.
324 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
325 (CONST_OK_FOR_L): Match strict adds operands.
326 (CONST_OK_FOR_N): Match struct subs operands.
327 * config/h8300/h8300.md (adds_subs insns): Remove.
328 (addhi patterns): Output adds/subs directly.
329 (addsi_h8300h): Likewise.
330 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
332 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
334 * cppexp.c (parse_assertion): New.
335 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
336 (_cpp_parse_expr): Remove case '#'. Don't set
337 parsing_if_directive.
338 * cpphash.c (collect_objlike_expansion,
339 collect_funlike_expansion, collect_params,
340 _cpp_create_definition): The list no longer has a trailing
342 * cpphash.h (enum node_type): Add T_ASSERTION.
343 (struct hashnode): Remove aschain, add pred.
344 (struct predicate): New.
347 * cpplex.c (expand_token_space): Handle both offset and
349 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
350 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
351 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
352 _cpp_equiv_toklists): New.
353 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
354 stop at any single-character token, not just newline.
355 (_cpp_lex_token): Remove special cases for #define and #if.
356 (cpp_get_token): Expect # as a separate token type. Remove
358 (_cpp_get_directive_token): Remove DIRECTIVE case.
359 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
361 * cpplib.c (_cpp_check_directive): Set dirno and
362 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
363 (_cpp_handle_directive): Run # <number> through the same logic
364 as normal directives.
365 (do_define): Don't set parsing_define_directive. Use
366 _cpp_scan_until. The list does not have a VSPACE at the end.
367 (do_if): Save, clear, and restore only_seen_white around
369 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
370 (do_assert, do_unassert): Rewrite.
372 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
373 (LIST_OFFSET): New flag.
374 (struct cpp_toklist): Replace dir_handler and dir_flags with
376 (struct cpp_reader): Remove parsing_if_directive and
377 parsing_define_directive.
379 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
381 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
382 following the cabs decl which terminate on the following line.
383 Add the corresponding test_text case.
385 2000-05-18 Neil Booth <NeilB@earthling.net>
387 * cppinit.c (cpp_reader_init): Initialise col_adjust and
388 default tab stop size.
389 (no_num, OPT_ftabstop): New.
390 (handle_option): Handle "ftabstop=" command-line option.
391 (print_help): Document it.
392 * cpplex.c (COLUMN): Remove.
393 (handle_newline): Reset col_adjust.
394 (skip_whitespace): Update col_adjust as tabs encountered.
395 (_cpp_lex_line): Update to use col_adjust. Call
396 skip_whitespace for all whitespace.
397 * cpplib.h (struct cpp_options): New member tabstop.
398 (struct cpp_reader): New member col_adjust.
399 (CPP_BUF_COL): Update.
400 (CPP_BUF_COLUMN): New.
401 * cpp.texi: Document "-ftabstop=" command line option.
403 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
405 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
407 * configure: Rebuilt.
409 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
411 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
413 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
414 HOST_BITS_PER_WIDE_INT is >= 64.
416 2000-05-17 Richard Henderson <rth@cygnus.com>
418 * jump.c (jump_optimize_1): Remove inactive but real insns
419 in jump-to-next-insn optimization.
421 2000-05-17 Richard Henderson <rth@cygnus.com>
423 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
424 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
425 Don't call recompute_reg_usage if no_new_pseudos is true.
426 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
427 Return true if we did work; update global life information.
428 * basic-block.h (optimize_mode_switching): Update decl.
430 2000-05-17 Neil Booth <neilb@earthling.net>
432 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
434 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
436 * cpplib.c: New feature, #pragma system_header.
437 * cpp.texi: Document special treatment of system headers, and
438 the various mechanisms to get a header that special treatment.
440 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
442 * system.h (offsetof): Define at the very end, to ensure we prefer
443 the platform's definition if available.
445 2000-05-16 Bruce Korb <bkorb@gnu.org>
447 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
448 * fixinc/server.c: likewise
449 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
450 + #ifdef debugging code + use #def constant for
452 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
453 on C++ math namespace
455 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
457 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
458 Don't check the return value of sprintf. Use asprintf to avoid
461 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
463 * flags.h (warn_unused_function, warn_unused_label,
464 warn_unused_parameter, warn_unused_variable, warn_unused_value):
465 Replace ``warn_unused''.
466 (set_Wunused): Add declaration.
467 * toplev.c (set_Wunused): New function.
468 (warn_unused_function, warn_unused_label, warn_unused_parameter,
469 warn_unused_variable, warn_unused_value): New variables.
470 (W_options): Add -Wunused-function, -Wunused-function,
471 -Wunused-label, -Wunused-parameter, -Wunused-variable and
472 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
474 * toplev.c (decode_W_option): Update -Wunused flags by calling
476 * c-decl.c (c_decode_option): Ditto for -Wall.
478 * stmt.c (expand_expr_stmt, expand_expr_stmt,
479 warn_about_unused_variables): Replace warn_unused with more
480 explicit warn_unused_value et.al.
481 * function.c (expand_function_end): Ditto.
482 * c-typeck.c (internal_build_compound_expr,
483 internal_build_compound_expr): Ditto.
484 * c-decl.c (poplevel, pop_label_level): Ditto.
485 * toplev.c (check_global_declarations): Replace warn_unused with
486 check for either warn_unused_function or warn_unused_variable.
488 * gcc.1, invoke.texi (Warning Options): Document
489 -Wunused-function, -Wunused-function, -Wunused-label,
490 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
492 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
494 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
495 $(srcdir), not in the current directory.
497 2000-05-16 Richard Henderson <rth@cygnus.com>
499 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
500 assembler supports it.
501 (.fini, .init): Use a gp-relative indirect call.
502 (__do_global_dtors_aux): Preserve the gp; rebundle.
503 (__do_frame_setup): Likewise.
504 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
505 (.init): Use a gp-relative indirect call.
506 (__do_global_ctors_aux): Preserve the gp.
508 2000-05-16 Richard Henderson <rth@cygnus.com>
510 * flow.c (commit_one_edge_insertion): Be prepared for a return
511 insn to be inserted on the edge with a normal jump.
512 * jump.c (jump_optimize_1): Don't look to create return isns.
514 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
515 * jump.c (jump_optimize_1): Likewise.
516 (returnjump_p): Verify the argument is a JUMP_INSN.
517 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
519 2000-05-16 Nick Clifton <nickc@cygnus.com>
521 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
522 GET_RTX_CLASS (GET_CODE ()) == 'i'.
523 (large_insn_p): Ditto.
524 (m32r_is_insn): New function: Return true if the insn contains
525 an executable instruction.
526 (m32r_adjust_insn): Use m32r_is_insn.
527 (m32r_sched_reorder): Use m32r_is_insn.
528 (m32r_sched_variable_issue): Use m32r_is_insn.
530 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
532 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
535 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
537 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
538 according to given options.
540 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
542 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
543 if X has VOIDmode either.
544 (LIMIT_RELOAD_CLASS): Similarly.
546 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
547 not "general_operand" to match the processor's capabilities.
549 2000-05-16 Bruce Korb <bkorb@gnu.org>
551 * fixinc/README: corrected return address
552 * fixinc/check.diff: regenerate, now that test works
553 * fixinc/fixfixes.c(format_fix,format_write): reformatted
554 (char_macro_def_fix,char_macro_use_fix): corrected and
555 rewrote to use regex to parse the text
556 * fixinc/inclhack.def: more testing
557 * fixinc/fixincl.x: regenerated
559 * fixinc/inclhack.def: added several "test_text" attributes
560 changed several fixes to use `c_fix = format'
561 re-alphabetized the fixes
563 * fixinc/check.diff: regenerate
564 * fixinc/fixincl.x: regenerate
565 * fixinc/check.tpl: added `sparc' and `netinet' to the list
569 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
571 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
573 2000-05-15 Richard Henderson <rth@cygnus.com>
575 * toplev.c (rest_of_compilation): Run full jump pass before
576 find_basic_blocks of flow2.
578 2000-05-15 Richard Henderson <rth@cygnus.com>
580 * jump.c: Fix typos and clarify commentary from last change.
581 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
582 (safe_to_remove_jump_p): Remove.
583 (condjump_label): Use pc_set.
585 2000-05-15 Richard Henderson <rth@cygnus.com>
587 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
588 that get in the way after reload.
589 (cond_exec_process_if_block): Skip a label heading THEN block.
591 2000-05-15 Richard Henderson <rth@cygnus.com>
593 * varasm.c (output_constant_pool): Abort instead of converting
594 (improperly) deleted labels to zero.
596 2000-05-16 Neil Booth <NeilB@earthling.net>
598 * cpplex.c (parse_string2): Update comment.
599 (cpp_lex_line): No special assertion treatment for '('.
600 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
601 * cpplib.h (SYNTAX_ASSERT): Remove.
603 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
605 * jump.c (condjump_p): Mark as depreached.
606 (any_condump_p): New.
607 (any_uncondump_p): New.
609 (safe_to_remove_jump_p): New.
610 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
611 safe_to_remove_jump_p): Declare.
613 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
615 * calls.c: Re-install both patches reverted by last patch.
616 (struct arg_data): New field tail_call_reg.
617 (initialize_argument_information): Initialize tail_call_reg
618 (load_register_parameters): New argument flags, use
619 tail_call_reg when emiting tail call sequence.
620 (expand_call): Update call of load_register_parameters;
621 copy unadjusted_args_size to adjusted_args_size.
623 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
625 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
626 and bct_p parameters to flags.
627 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
628 * rtl.h (loop_optimize): Update prototype.
629 * toplev.c (rest_of_compilation): Update call of loop_optimize.
631 2000-05-15 Jakub Jelinek <jakub@redhat.com>
633 * calls.c (expand_call): Move expand_start_target_temps call after
636 2000-05-15 Neil Booth <NeilB@earthling.net>
638 * cpphash.c (trad_stringify, warn_trad_stringify,
639 collect_params): Make some pointers pointers to const.
640 * cpplex.c (auto_expand_name_space) Guaranteed to always
641 expand by at least one character.
642 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
643 (struct token_spelling): Use const U_CHAR * rather than PTR.
644 (expand_name_space): Fix up token pointers if name space
645 is moved when expanding.
646 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
647 parse_string2, save_comment, spell_token, cpp_output_list):
648 Update so the routines handle tokens with a direct pointer to
649 their text, rather than an offset into the token's list's namebuf.
650 (_cpp_lex_line): Rearrange for clarity.
652 * cpplib.c (_cpp_check_directive): Similarly.
653 (do_define): Make SYM a pointer to const.
654 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
655 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
656 (TOK_OFFSET): Delete.
659 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
661 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
664 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
666 (logical_u_operand): Delete.
667 (non_logical_cint_operand): Rewrite to take MODE into account.
668 (non_logical_u_cint_operand): Delete.
669 (boolean_operator): New function.
670 (print_operand): Add new %q operand.
671 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
672 remove logical_u_operand and non_logical_u_cint_operand,
673 update logical_operand and non_logical_cint_operand.
674 * config/rs6000/rs6000.md: Rewrite the patterns for performing
675 logical operations to use %q.
677 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
678 (movdi): Make similar to movsi.
679 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
680 is no such thing as a DImode CONST_DOUBLE.
681 * config/rs6000/rs6000.c (output_toc): Likewise.
683 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
684 codes when old mnemonics are in use. Print register names
685 for cc registers when requested.
687 * optabs.c (expand_float): Don't allow mode widening that causes
690 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
691 flags to their current names -maix64 and -maix32.
693 2000-05-14 Bruce Korb <bkorb@gnu.org>
695 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
696 and/or after current text of file
697 * fixinc/fixlib.c(must_malloc):
698 * fixinc/fixlib.h(must_malloc): + reformatting
699 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
700 with usages of ``c_fix = wrap;''
701 Add several tests and use the ``c_fix = format'' fixer more.
702 * fixinc/fixincl.x: regen
703 * fixinc/check.diff: regen
704 * fixinc/check.tpl: emit the associated header with the missing
707 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
709 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
710 variables $src and $dst.
712 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
714 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
715 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
716 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
717 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
719 (set_message_prefixing_rule): Declare.
721 * diagnostic.c: (current_prefixing_rule): New variable.
722 (set_message_prefixing_rule): Define.
723 (output_set_prefix): Adjust buffer->emitted_prefix_p.
724 (init_output_buffer): Adjust Initialization.
725 (output_emit_prefix): Rewrite. Take prefixing rules into account.
727 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
729 * ifcvt.c (if_convert): Do not free NULL.
731 2000-05-12 Nick Clifton <nickc@cygnus.com>
733 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
734 to move a double word value.
735 (di_operand): New function: Return true if the operand is suitbale
736 for a double word move operation.
737 (nonimmediate_di_operand): New function: Return true if the
738 operand is a DImode register or MEM.
740 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
741 nonimmediate_di_operand.
743 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
744 nonimmediate_di_operand.
746 * config/fr30/fr30.md (movdi): New pattern. Required because
747 other patterns generate DImode results.
748 (movdi_insn): New pattern.
750 2000-05-12 Richard Henderson <rth@cygnus.com>
752 * config/alpha/alpha.c (struct shadow_summary): Define
753 bitfields as type unsigned int.
755 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
757 * config/avr/t-avr: Added definition of FLOAT while generates
760 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
761 peepholes for tst+jump = sbrs/sbrc optimization.
763 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
765 * expr.c (emit_push_insn): Do not adjust stack pointer when
768 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
770 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
771 * system.h (offsetof): ... to here.
773 2000-05-12 Richard Henderson <rth@cygnus.com>
775 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
776 * final.c (final_end_function): Use app_disable. Rearrange note
777 handling into a switch. Emit deleted labels.
778 (output_asm_label): Generate label strings for deleted labels.
779 * flow.c (tail_recursion_label_list): New.
780 (find_basic_blocks_1): Set label_value_list directly. Collect list
781 of tail recursion labels from call_placeholders. Don't add deleted
782 labels to the label value list.
783 (cleanup_cfg): Use free_EXPR_LIST_list.
784 (flow_delete_insn_chain): Turn non-removable labels into notes.
785 (flow_delete_block): Don't disable deleting the block because of
786 a non-removable label.
787 (tail_recursion_label_p): New.
788 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
790 (merge_blocks_move_successor_nojumps): Likewise. Also move a
792 (merge_blocks): Disable a merge because of tail recursion labels.
793 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
794 Use a more accurate measure of not merging the join block.
795 (find_if_block): Don't disable conversion because of a label.
796 (find_if_case_1, find_if_case_2): Likewise.
797 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
798 element when copying.
799 (squeeze_notes): Also leave EH notes.
800 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
802 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
804 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
805 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
806 referring to a deleted label. Convert tail handling to a switch.
807 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
808 for NOTE_INSN_DELETED_LABEL.
809 (NOTE): Fix commentary.
810 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
811 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
812 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
813 (LABEL_NUSES, LABEL_REFS): Likewise.
814 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
816 2000-05-12 Bruce Korb <bkorb@gnu.org>
818 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
819 * fixinc/check.diff: updated
820 * fixinc/inclhack.def: corrected & added some test_text-s
821 * fixinc/genfixes: removed unneeded options to autogen invocation
822 * fixinc/fixincl.tpl: Specified the output file
823 * fixinc/fixfixes.c: visual appearance
824 * fixinc/fixincl.x: regenerate
826 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
828 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
829 CTRL_defn_fix): Delete.
830 (fix_char_macro_defines, fix_char_macro_uses): Rename to
831 char_macro_def_fix and char_macro_use_fix, respectively. Put
832 them into the FIXUP_TABLE. Get the string to search for from
835 (format_write): New function.
836 (format_fix): Use it.
838 (FIX_PROC_HEAD): Constify text parameter.
839 (machine_name_fix): Constify all char *s.
840 * fixtests.c (skip_quote): Remove double static.
842 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
843 ctrl_use_quotes): Update for new scheme.
844 * fixincl.x: Regenerate.
846 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
848 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
850 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
851 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
853 2000-05-11 Robert Lipe <robertlipe@usa.net>
855 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
856 * fixincl.x: Regenerate.
858 2000-05-11 Richard Henderson <rth@cygnus.com>
860 * calls.c: Revert both 05-09 patches.
862 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
864 * config/mn10300/mn10300.c (print_operand): Print FP constants in
866 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
869 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
870 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
872 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
874 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
876 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
878 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
880 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
882 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
883 * config/avr/avr.c (jump_over_one_insn_p): New function.
884 * config/avr/avr.md: New peepholes added. Output test and
885 conditional jump to "sbrc" or "sbrs" command.
887 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
889 * cppmain.c (main): Use IS_DIR_SEPARATOR.
891 2000-05-11 Jakub Jelinek <jakub@redhat.com>
893 * except.c (find_exception_handler_labels_1): New function.
894 (find_exception_handler_labels): Split into two functions, dive
895 into CALL_PLACEHOLDERs when looking for exception handler labels.
897 2000-05-11 Stan Cox <scox@cygnus.com>
899 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
900 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
901 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
903 2000-05-11 Bruce Korb <bkorb@gnu.org>
905 * fixinc/fixfixes.c (double_slash_fix): obsolete
906 (else_endif_label_fix): obsolete
907 (format_fix): new, unused as yet
909 * fixinc/fixlib.h: added fix description struct for use by format_fix
910 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
911 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
912 modules. Removed the vestiges of the script version.
913 Added support for "make check".
914 * fixinc/check.diff: base diff file (needs work!!)
915 * fixinc/check.tpl: quiet the fixup output
916 * fixinc/fixtests.c (main): obsolete
917 * fixinc/fixincl.sh: don't bother copying fixincl to ..
918 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
920 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
922 * toplev.c (rest_of_compilation): Remove dead code after
925 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
927 * cpphash.c (collect_funlike_expansion): Make "# is not
928 followed by a macro argument name" a pedwarn, not an error.
929 Preserve the # in the output. Suppress the warning if lang_asm.
931 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
933 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
934 * configure: Rebuilt.
936 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
938 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
940 2000-05-10 Kazu Hirata <kazu@hxi.com>
942 * combine.c (try_combine): Fix a typo.
944 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
946 * config/ia64/ia64.md (insv): Add comment.
948 2000-05-10 Richard Henderson <rth@cygnus.com>
950 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
951 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
952 dependancies on FPBIT and DPBIT.
954 2000-05-10 Nick Clifton <nickc@redhat.com>
956 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
957 when optimising for size.
958 (mark_used_regs:) Ditto.
959 (try_pre_increment_1): Ditto.
961 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
963 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
964 Make error message friendlier.
966 * cpphash.h (struct hashnode): Use struct hack for name
968 * cpphash.c (struct hashdummy): New.
969 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
970 (make_HASHNODE): No need to set ->name pointer. Correct
972 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
974 2000-05-10 Richard Henderson <rth@cygnus.com>
976 * flow.c (find_basic_blocks_1): Remove any spare bb_note
979 2000-05-10 Bruce Korb <bkorb@gnu.org>
981 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
983 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
985 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
986 after we enter .debug.
988 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
990 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
991 abstract instance of a nested inline function.
993 * stor-layout.c (finish_record_layout): finalize_type_size
994 before laying out the pending_statics.
996 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
998 * cpplex.c (spell_token): New function.
999 (spell_string, spell_comment, spell_name): fold into
1002 (E, H): Remove macros.
1003 (save_comment): Save comment opening characters too.
1004 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1006 * cpplib.h (I, S): Add macros.
1007 (E, H): Remove macros.
1008 (TTYPE_TABLE): Update entries for new speller.
1009 (SYNTAX_ASSERT): Remove.
1011 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1013 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1014 when removing escaped newlines. Reverse sense of test for
1017 2000-05-09 Richard Henderson <rth@cygnus.com>
1019 * flow.c (find_basic_blocks_1): Do not delete the first
1020 bb_note we run across.
1021 (create_basic_block): Use reorder_insns to move an existing
1022 bb_note to the correct place.
1024 2000-05-09 Richard Henderson <rth@cygnus.com>
1026 * calls.c (expand_call): Increment currently_expanding_call
1027 before calling optimize_tail_recursion.
1029 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1031 * reload1.c (reload_combine): Fix errors in last change.
1033 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
1035 * gcc.c (used_arg): Skip over a semicolon at the end of the
1036 split-up loop; don't break out of it.
1038 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
1039 (tree.o): Depend on output.h.
1041 * c-decl.c (pending_invalid_xref_file,
1042 current_function_prototype_file): Constify.
1043 (pushdecl): Constify a local char *.
1044 (define_label): Constify filename parameter.
1045 * c-lex.c (init_parse): Constify parameter and return value.
1046 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
1047 * c-tree.h: Update prototypes.
1048 * c-parse.in: Constify filename member of %union, and if_stmt_file.
1049 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
1050 objc/objc-parse.c: Regenerate.
1052 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
1053 * dwarfout.h: Update prototypes.
1054 * expr.c (expand_expr): Constify a local char *.
1055 * flags.h: Constify main_input_filename.
1056 * function.c (expand_function_end): Constify filename parameter.
1057 * genrecog.c (make_insn_sequence): Use a character array for
1059 (main): Remove unused variables.
1060 * input.h: Constify input_filename, main_input_filename, and
1061 file_stack.name. Update prototypes.
1062 * output.h: Declare first_global_object_name and
1063 weak_global_object_name here, as const char *.
1064 * stmt.c (expand_asm_operands): Constify filename parameter.
1065 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
1066 Constify filename parameter.
1067 (input_filename, main_input_filename): Constify.
1068 * toplev.h: Update prototypes.
1069 * tree.c: Include output.h. Don't declare
1070 first_global_object_name or weak_global_object_name. Clean up string
1071 bashing in get_file_function_name_long.
1072 * tree.h (struct tree_decl): Constify filename member.
1073 (input_filename): Constify.
1075 * varasm.c (first_global_object_name, weak_global_object_name):
1077 (assemble_start_function, assemble_variable): Clean up string bashing.
1079 * gcc.c: Constify all spec-related strings initialized,
1080 transitively, from string constants. Constify all strings
1081 and string variables related to multilibs.
1082 (set_spec, read_specs): Cast argument to free to PTR.
1083 (used_arg): Do not modify multilib_matches. Use strncmp plus
1084 length comparison to compare multilib switches.
1085 * genmultilib: Constify everything declared in multilib.h.
1087 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
1089 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
1092 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
1094 * config/avr/avr-protos.h (extra_constraint): change a type of
1095 second argument from char to int to avoid warnings.
1096 (asm_output_byte): Likewise.
1098 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
1099 (initial_elimination_offset): Handle elimination from
1100 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
1101 (legitimate_address_p): Use MAX_LD_OFFSET.
1102 (legitimize_address): Likewise.
1103 (out_movqi_r_mr): Likewise.
1104 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
1105 (out_movsi_r_mr): Use MAX_LD_OFFSET.
1106 (out_movsi_mr_r): Likewise.
1107 (out_movqi_mr_r): Likewise.
1108 (out_movhi_mr_r): Likewise.
1109 (notice_update_cc): Correct CC for the ashrqi3 with the shift
1110 count as CONST_INT != 6.
1111 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
1112 shift count is a CONSTANT_P, but not a CONST_INT.
1113 (ashlhi3_out): Coding style modifications.
1114 (ashlsi3_out): Likewise.
1115 (ashrhi3_out): Likewise.
1116 (ashrsi3_out): Likewise.
1117 (lshrhi3_out): Likewise.
1118 (lshrsi3_out): Likewise.
1119 (ashrqi3_out): Generate shift for any known constant count without
1120 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
1121 but not a CONST_INT.
1122 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
1123 shift count is a CONSTANT_P, but not a CONST_INT.
1124 (extra_constraint): change a type of
1125 second argument from char to int to avoid warnings.
1126 (asm_output_byte): Likewise.
1127 (asm_file_end): Output size generated commands count as a hex
1130 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
1132 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
1134 (ashlqi3): Values of "length" attribute changed. Shift count
1135 uses constraints 'n' instead of 'i'.
1136 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
1137 shifts without clobber register.
1138 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
1139 (call_insn): Correct test for which_alternative == 1 (was 0).
1140 (call_value_insn): Likewise.
1142 * config/avr/t-avr: Remove definition of FLOAT while generates
1145 2000-05-09 Bruce Korb <bkorb@gnu.org>
1147 * fixinc/check.tpl: Template for checking fixes
1148 * fixinc/inclhack.def: Added 'test_text' for many fixes
1149 disable hpux8_bogus_inlines on SCO
1150 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
1152 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1154 * calls.c (expand_call): Reorganize somewhat in order
1155 to avoid unnecesary recalculation inside loop and make
1156 tail call failure code cleaner.
1158 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1160 * alias.c (nonlocal_reference_p): Minor reformatting.
1161 * reload.c (find_equiv_reg): Simplify logic for
1162 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
1163 some some reformatting.
1164 * reload1.c (reload_combine): Don't assume everything in
1165 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
1167 2000-05-08 Richard Henderson <rth@cygnus.com>
1169 * final.c (current_insn_predicate): New.
1170 (final_scan_insn): Set it.
1171 * output.h (current_insn_predicate): Declare.
1173 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
1174 Attach it to call insns.
1175 (cond_exec_process_if_block): Track probability for true and
1177 (dead_or_predicable): Likewise.
1179 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
1180 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
1181 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
1182 (estimate_probability, expected_value_to_br_prob): Use them.
1184 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
1185 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
1186 (ia64_expand_prediction): New.
1187 (emit_insn_group_barriers): Don't look at notes. Emit barriers
1188 as needed after calls.
1189 (ia64_epilogue_uses): Mark b0 used.
1190 * config/ia64/ia64.md (beq_true, beq_false): Remove.
1191 (bne_true, bne_false): Remove.
1192 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
1193 (br_true, br_false): New. Use predicate_operator and
1194 ia64_expand_prediction.
1195 (return_true, return_false): Likewise.
1196 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
1197 (call_internal1, call_value_internal): Likewise.
1198 (call_value_internal1, call_multiple_values_internal1): Likewise.
1200 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
1202 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
1204 2000-05-08 Richard Henderson <rth@cygnus.com>
1206 * rtlanal.c (may_trap_p): Consider old-style and volatile
1209 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
1211 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
1213 2000-05-08 Richard Henderson <rth@cygnus.com>
1215 * config/ia64/ia64.h (predicate_operator): Declare.
1217 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
1220 * gensupport.c (process_rtx): Copy and post-process each member
1221 of the define_insn rtvec individually.
1223 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
1225 * cpplex.c (spell_token): New function.
1226 (TOKEN_LEN): Add 1 for whitespace.
1227 (_cpp_lex_file): Update to use spell_token.
1228 * cpplib.h (E): Remove.
1229 (TTYPE_TABLE): Update CPP_VSPACE entry.
1231 2000-05-08 Richard Henderson <rth@cygnus.com>
1233 * flow.c (init_propagate_block_info): Watch out for conditional
1234 branch to next instruction, and thus one outgoing edge.
1236 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
1237 for global register variables; don't special case __[CD]TOR_LIST__;
1238 mind ggc_p for string allocation.
1240 2000-05-08 Nick Clifton <nickc@cygnus.com>
1242 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
1244 2000-05-08 Bruce Korb <bkorb@gnu.org>
1246 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
1247 i?86-*-msdosdjgpp* no longer uses fixincludes
1248 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
1249 * fixinc/inclhack.sh: deleted
1250 * fixinc/hackshell.tpl: deleted
1251 * fixinc/inclhack.tpl: deleted
1252 * fixinc/Makefile.in: Remove dependencies on above
1253 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
1255 2000-05-08 Andreas Jaeger <aj@suse.de>
1257 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
1260 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
1262 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
1265 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
1267 * cpplex.c: Move new lexer definitions and prototypes
1268 to top. Conditional include these and the code if
1269 NEW_LEXER is defined. Rename functions whose names
1270 clash if this code included.
1272 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
1274 * rtl.def (COND_EXEC): Clarify.
1276 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
1277 same fashion as zero_extendsidi2.
1279 2000-05-06 Richard Henderson <rth@cygnus.com>
1281 * config/ia64/ia64.c (predicate_operator): New.
1282 (ia64_print_operand): Handle 'J'.
1283 (rtx_needs_barrier): Handle COND_EXEC.
1284 * config/ia64/ia64.h (BRANCH_COST): Define.
1285 (PREDICATE_CODES): Update.
1286 * config/ia64/ia64.md: Docuement used unspec values.
1287 (attr predicable): New.
1288 (movxf, movxf_internal): New.
1289 (extendsfdf2): Don't comment out nop.
1290 (floatdidf2): Remove.
1291 (truncxfsf2, truncxfdf2, floatdixf2): New.
1292 (abssi2, absdi2): Put the neg in the "true" slot.
1293 (conditional branch instructions): Mark not predicable.
1294 (cmov*_internal): Use predicate_operator. Split to cond_exec.
1295 (abs*_internal): Likewise.
1296 (alloc, set_bsp): Mark not predicable.
1297 (barrier, insn_group_barrier, flush_cache): Likewise.
1298 (define_cond_exec): New.
1300 2000-05-06 Richard Henderson <rth@cygnus.com>
1302 * c-decl.c: Include "tm_p.h".
1304 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
1305 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
1306 (ia64_expand_op_and_fetch): Declare.
1307 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
1308 (setjmp_operand): Constify variables for XSTR.
1309 (ia64_encode_section_info): Likewise.
1310 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
1312 (ia64_asm_output_external): Constify name.
1313 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
1314 (process_for_unwind_directive): Provide switch default.
1315 (ia64_expand_compare_and_swap): Remove unused variables.
1316 (ia64_expand_builtin): Likewise.
1317 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
1320 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
1321 (symbolic_operand, function_operand, setjmp_operand): Likewise.
1322 (shift_count_operand, shift_32bit_count_operand): Likewise.
1323 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
1324 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
1325 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
1326 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
1327 (ia64_expand_builtin): Likewise.
1328 (call_multiple_values_operation): Make dest_regno unsigned.
1330 2000-05-06 Richard Henderson <rth@cygnus.com>
1332 * rtl.def (DEFINE_COND_EXEC): New.
1333 * md.texi: Document it.
1335 * gensupport.c (input_file): Remove.
1336 (struct queue_elem): Add lineno.
1337 (rtx_ready_queue): Remove.
1339 (predicable_default): New.
1340 (predicable_true, predicable_false): New.
1341 (define_attr_queue, define_attr_tail): New.
1342 (define_insn_queue, define_insn_tail): New.
1343 (define_cond_exec_queue, define_cond_exec_tail): New.
1344 (other_queue, other_tail): New.
1345 (queue_pattern): New.
1346 (process_rtx): Add patterns to the appropriate queues.
1347 (is_predicable, identify_predicable_attribute): New.
1348 (n_alternatives, collect_insn_data): New.
1349 (alter_predicate_for_insn, alter_test_for_insn): New.
1350 (shift_output_template, alter_output_for_insn): New.
1351 (process_one_cond_exec, process_define_cond_exec): New.
1352 (init_md_reader): Read the entire file. Process define_cond_exec.
1353 (read_md_rtx): Return elements from the queues.
1355 2000-05-06 Richard Henderson <rth@cygnus.com>
1357 * flow.c (mark_set_1): Don't update conditional life info
1358 if the register is not_dead.
1360 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1362 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
1363 (mostlyclean): Also delete fixincl, fixinc.sh, and
1364 specs.ready, and make clean in the fixinc subdir.
1366 2000-05-06 Richard Henderson <rth@cygnus.com>
1368 * Makefile.in (gensupport.o): Compile for the host.
1369 (host-prefix gensuuprt.o): Remove.
1370 (genflags.o): Depend on gensupport.h and OBSTACK_H.
1371 (genattrtab.o): Likewise.
1372 (gencodes.o): Depend on gensupport.h.
1373 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
1374 (genpeep.o, genattr.o, genoutput.o): Likewise.
1376 * gensupport.c (obstack, rtl_obstack): New.
1377 (init_md_reader): Initialize rtl_obstack.
1378 * gensupport.h (rtl_obstack): Declare.
1379 (message_with_line): Declare.
1381 * genattr.c: Remove all traces of obstack manipulation.
1382 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1383 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1385 * genattrtab.c (obstack, rtl_obstack): Remove.
1386 (main): Don't init rtl_obstack.
1387 * genflags.c: Likewise.
1389 * genrecog.c (message_with_line): Move ...
1390 * gensupport.c: ... here.
1392 2000-05-06 Richard Henderson <rth@cygnus.com>
1394 * c-typeck.c (build_c_cast): Remove dead code.
1396 2000-05-06 Richard Henderson <rth@cygnus.com>
1398 * flow.c (split_edge): Don't allocate global_live_at_start for
1399 the new block unless the old blocks had them as well.
1401 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
1403 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
1404 test_bb if a or b uses x.
1406 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1408 * cpphash.h: Remove conditional #define of __extension__.
1409 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
1410 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
1411 (ENABLE_RTL_CHECKING only).
1412 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
1413 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
1414 (ENABLE_TREE_CHECKING only).
1415 * varray.h: Add __extension__ to VARRAY_CHECK macro
1416 (ENABLE_CHECKING only).
1418 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1420 Use new tail-calling mechanism on ARM.
1421 * arm.md (sibcall, sibcall_value): New expands.
1422 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
1423 (tailcalling peepholes): Delete.
1424 (push_multi): Simplify.
1425 * arm.c (lr_save_eliminated): Delete definition.
1426 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
1427 (output_return_instruction): Remove checks on lr_save_eliminated.
1428 (output_arm_prologue): Remove old tail-calling code.
1429 (arm_output_epilogue): New parameter, really_return. All callers
1430 changed. Handle tail-calling epilogues.
1431 * arm.h (lr_save_eliminated): Delete declaration.
1432 (frame_pointer_needed): Delete declaration.
1433 * arm-protos.h (arm_output_epilogue): Adjust prototype.
1435 * arm.md (is_thumb): Examine symbol thumb_code, not expression
1437 * arm.c (thumb_code): Define it.
1438 (arm_override_options): Set it.
1439 * arm.h (thumb_code): Declare it.
1441 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1443 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
1445 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1447 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
1448 bogus clobber to insns.
1449 (load_multiple_operation, store_mulitple_operation): Don't check
1451 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
1453 * arm.md (and_scc, ior_scc): Add missing mode.
1455 * arm.md (call_value_symbol): Remove predicate from op2.
1457 * arm.h (SPECIAL_MODE_PREDICATES): Define.
1459 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1461 * expr.c (get_subtarget): New function.
1462 (force_operand, expand_expr, do_store_flag): Use it.
1464 * toplev.c (compile_file): Don't take strlen of NAME if null.
1466 2000-05-06 David Edelsohn <edelsohn@gnu.org>
1468 * xcoffout.c (xcoff_current_include_file,
1469 xcoff_current_function_file, xcoff_lastfile): Constify char *.
1470 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
1472 (xcoffout_declare_function): Make name 'const char *'.
1473 (xcoffout_end_epilogue): Make fname 'const char *'
1474 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
1475 xcoffout_declare_function, xcoffout_source_line): Match above.
1477 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
1479 * rs6000.c (print_operand): Fix lossage typo.
1480 (output_cbranch): Remove "cr" decoration for now.
1481 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
1483 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
1485 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
1488 2000-05-05 Bruce Korb <bkorb@gnu.org>
1490 * fixinc/genfixes: Improve the matching for make target names
1492 2000-05-05 Catherine Moore <clm@cygnus.com>
1494 * c-common.c (decl_attributes): For TYPE_DECLs attach the
1495 attribute to the decl.
1496 * c-decl.c (pushdecl): Propagate the USED attribute to the
1499 2000-05-05 Richard Henderson <rth@cygnus.com>
1501 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
1502 same way emit_group_load does.
1504 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
1506 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
1508 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
1511 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
1513 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
1515 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
1517 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
1518 to support -shared, on platforms with dynamic libraries.
1520 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
1522 * system.h (S_ISBLK): Provide fallback definition.
1524 2000-05-05 Geoff Berry <geoffb@bops.com>
1526 * extend.texi (Extended Asm): Document inability to give asm
1527 statements access to condition codes.
1529 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
1531 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
1532 as arg 2 of UNIQUE_SECTION.
1534 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
1536 * predict.c: Remove May 4 change.
1537 * bb-reorder.c (make_reorder_chain): Do not perform block movement
1538 if we have predicted the branch at 50-50 probability.
1540 2000-05-05 Richard Henderson <rth@cygnus.com>
1542 * flow.c (init_propagate_block_info): Fix merge error
1543 in HAVE_conditional_execution code.
1545 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
1547 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
1548 shift cycle for unknown shift count. Also generates dec + brpl.
1549 (ashlqi3_out): Don't generate dec + brpl which now generates by
1550 `out_shift_with_cnt'.
1551 (ashlhi3_out): Likewise.
1552 (ashlsi3_out): Likewise.
1553 (ashrqi3_out): Likewise.
1554 (ashrhi3_out): Likewise.
1555 (ashrsi3_out): Likewise.
1556 (lshrqi3_out): Likewise.
1557 (lshrhi3_out): Likewise.
1558 (lshrsi3_out): Likewise.
1560 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1562 * gcc.c (free_split_directories): Correct typo in explanation
1563 of make_relative_prefix.
1565 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1567 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
1568 comparison codes to branch_comparison_operator.
1570 2000-05-04 Richard Henderson <rth@cygnus.com>
1572 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
1574 2000-05-04 Richard Henderson <rth@cygnus.com>
1576 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
1577 (DPBIT_FUNCS): Remove _sf_to_usi.
1578 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
1580 * ifcvt.c (noce_process_if_block): Fail if A or B modified
1581 between condition and jump.
1583 * libgcc2.c (near eh_context_specific): Comment #endif string.
1584 * longlong.h: Don't use strings with embedded newlines.
1586 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1588 * config/rs6000/rs6000-protos.h: Add output_cbranch.
1589 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
1590 (print_operand): Delete %t and %T codes.
1591 (output_cbranch): New function. Support branch prediction.
1592 * config/rs6000/rs6000.md: Use output_cbranch for
1593 conditional branches and returns.
1595 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
1597 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
1598 * stor-layout.c (place_field): Likewise.
1599 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
1600 * expr.c (store_expr): Make align unsigned.
1601 * explow.c (plus_constant_wide): Make low words unsigned.
1602 * expmed.c (choose_multiplier): Likewise.
1603 * fold-const.c (fold): Likewise.
1604 * tree.h (build_int_2): Likewise.
1605 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
1606 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
1607 (init_emit): Change cast to unsigned char*.
1608 * varasm.c (compare_constant_1): Add cast to char*.
1609 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
1610 * reload1.c (reload): Likewise.
1612 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
1614 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
1616 * predict.c (estimate_probability): If no prediction was found, then
1617 predict the successor that is the next physical block (if such a
1620 2000-05-04 Richard Henderson <rth@cygnus.com>
1622 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
1624 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1626 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
1628 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
1630 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
1631 attribute macros from here ...
1632 (CPP_SPEC): to here.
1633 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1634 (CPP_SPEC): Likewise.
1635 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
1637 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
1638 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
1640 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1642 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
1644 * diagnostic (vbuild_message_string, build_message_string,
1645 build_location_prefix, output_get_prefix, init_output_buffer,
1646 output_notice, vline_wrapper_message_with_location,
1647 v_message_with_decl, default_print_error_function): De-constify.
1648 (set_real_maximum_length): Prototype.
1650 * diagnostic.h (struct output_buffer, init_output_buffer,
1651 output_get_prefix, output_set_prefix): De-constify.
1653 * function.c (init_function_start): Constify.
1655 * gensupport.c (remove_constraints, process_rtx): Prototype.
1657 * gthr-posix.h: Indent uses of #pragma.
1659 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
1662 * predict.c (find_expected_value): Delete prototype.
1663 (expected_value_to_br_prob): Initialize variable `ev_reg'.
1665 * sbitmap.h (debug_sbitmap): Prototype.
1667 * ssa.c (compute_coalesced_reg_partition): Prototype.
1669 * stor-layout.c (debug_rli): Prototype.
1671 * tree.h (round_down): Prototype.
1672 (init_function_start): Constify.
1674 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
1676 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
1677 (overly conservative). Change extern inline wrappers to
1678 static inline, define them always, use PARAMS properly.
1679 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
1680 whitespace warnings for \f and \v at the beginning of a line.
1682 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
1684 * haifa-sched.c (schedule_insns): Free the flow edge list when it
1687 2000-05-04 Bruce Korb <bkorb@gnu.org>
1689 * fixincl/inclhack.def: added broken_cabs -
1690 Remove `extern double cabs' declarations from math.h
1691 * fixincl/inclhack.sh: regen
1692 * fixincl/fixincl.x: regen
1693 * fixincl/fixincl.c: Remove BOGOSITY code
1694 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
1696 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1698 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
1700 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
1701 when calling MEM_COPY_ATTRIBUTES.
1702 * emit-rtl.c (operand_subword, change_address): Likewise.
1703 * explow.c (stabilize): Likewise.
1704 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
1705 * integrate.c (copy_rtx_and_substitute): Likewise.
1706 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
1707 when calling MEM_COPY_ATTRIBUTES.
1708 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
1710 * cse.c (gen_lowpart_if_possible): Likewise.
1711 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
1712 * optabs.c (gen_move_insn): Likewise.
1713 * recog.c (validate_replace_rtx_1): Likewise.
1714 * simplify-rtx.c (add_mem_for_addr): Likewise.
1715 * stmt.c (expand_anon_union_decl): Likewise.
1716 * config/arm/arm.md: Likewise.
1717 * config/h8300/h7300.c (fix_bit_operand): Likewise.
1718 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
1719 (block_move_no_loop, block_move_sequence): Likewise.
1720 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
1721 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1722 Clear MEM_ALIAS_SET.
1723 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
1724 MEM_COPY_ATTRIBUTES.
1726 2000-05-03 Robert Lipe <robertlipe@usa.net>
1728 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
1729 to suppress libgcc1.
1730 (i[34567]86-*-sco3.2v5*) Likewise.
1731 (i[34567]86-*-sco3.2v4*) Likewise.
1732 (i[34567]86-*-sco) Likewise.
1733 (i[34567]86-*-solaris2) Likewise.
1734 (i[34567]86-*-sysv5*) Likewise.
1735 (i[34567]86-*-sysv4*) Likewise.
1736 (i[34567]86-*-udk*) Likewise.
1737 (i[34567]86-*-sysv*) Likewise.
1739 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1741 * cpphash.h (U): New define, to correct type of string constants.
1742 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
1743 routines, to do casts when passing unsigned strings to libc.
1744 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
1746 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
1747 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
1748 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
1749 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
1750 second argument an U_CHAR *.
1752 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
1753 length field, clean up initializer.
1754 (ISTABLE): Add __extension__ to designated-
1755 initializers version.
1756 * cpplex.c (CHARTAB): Likewise.
1758 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
1759 case so the file won't be empty.
1761 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
1763 * bb-reorder.c (struct reorder_block_def): Member succ removed.
1764 (REORDER_BLOCK_SUCC): Removed.
1765 (enum reorder_skip_type): Removed.
1766 (skip_insns_between_block): Renamed to skip_insns_after_block.
1767 Removed second argument. Removed dead code and cleaned up.
1768 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
1769 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
1770 second parameter to skip_insns_after_block.
1772 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1774 * tree.c (staticp, case LABEL_DECL): New case.
1776 2000-05-03 Richard Henderson <rth@cygnus.com>
1778 * Makefile.in (start.encap): Do not depend on LIBGCC1.
1780 * mklibgcc1.in: Fix typo last change.
1782 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1784 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
1785 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
1786 (GCC_CFLAGS): Use it.
1787 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
1788 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
1789 objc/Make-lang.in: Use it.
1791 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
1793 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
1795 2000-05-03 Richard Henderson <rth@cygnus.com>
1797 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
1798 LIBGCC1 empty with libgcc1.null.
1800 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
1802 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
1805 2000-05-03 Greg McGary <gkm@gnu.org>
1807 * tree.h (tree_common): Add bounded_flag member. Remove
1808 inaccurate comment about number of remaining bits.
1809 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
1810 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
1811 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
1812 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
1813 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
1814 (TYPE_QUAL_BOUNDED): New constant.
1815 (TYPE_QUALS): Handle bounded qualifier.
1816 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
1817 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
1818 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
1819 TYPE_AMBIENT_BOUNDEDNESS): New macros.
1820 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
1821 (tree_type): Add pointer_depth member. Remove
1822 inaccurate comment about number of remaining bits.
1823 (DECL_POINTER_DEPTH): Add macro.
1824 (tree_decl): Add pointer_depth member.
1826 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
1828 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
1829 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
1830 (lshrhi3_out): Likewise.
1831 (ashrsi3_out): bugfix in shift by 8.
1832 (test_hard_reg_class): New function.
1833 * config/avr/avr.md: Bugfix inside conditions in peepholes.
1834 (ashlhi3): removed define_expand of this pattern.
1835 (*ashlhi3_insn): renamed to ashlhi3.
1836 (ashlsi3): removed define_expand of this pattern.
1837 (*ashlsi3_insn): renamed to ashlsi3.
1838 (ashrqi3): removed define_expand of this pattern.
1839 (*ashrqi3_insn): renamed to ashrqi3.
1840 (ashrhi3): removed define_expand of this pattern.
1841 (*ashrhi3_insn): renamed to ashrhi3.
1842 (ashrsi3): removed define_expand of this pattern.
1843 (*ashrsi3_insn): renamed to ashrsi3.
1844 (lshrhi3): removed define_expand of this pattern.
1845 (*lshrhi3_insn): renamed to lshrhi3.
1846 (lshrsi3): removed define_expand of this pattern.
1847 (*lshrsi3_insn): renamed to lshrsi3.
1849 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
1851 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
1852 inclusion of "system.h".
1854 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
1856 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
1859 2000-05-03 David Mosberger <davidm@hpl.hp.com>
1861 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
1862 if -mauto-pic is on.
1863 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
1864 -mconstant-gp is in effect and function-descriptors are being used
1865 to make indirect calls.
1866 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
1867 (MASK_AUTO_PIC): Ditto.
1868 (TARGET_CONST_GP): Ditto.
1869 (TARGET_AUTO_PIC): Ditto.
1870 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
1871 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
1872 -mno-pic is in effect.
1873 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
1874 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
1875 -mauto-pic is in effect.
1876 (gprel64_offset): New pattern.
1877 (load_gprel64): Ditto.
1878 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
1879 -mconstant-gp is in effect, no need to preserve gp around direct
1881 (call_value): Ditto.
1882 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
1883 (FUNCTION_PROFILER): Define.
1884 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
1885 @fptr() directive when -mno-pic or -mauto-pic is in effect.
1886 (ASM_OUTPUT_DESTRUCTOR): Ditto.
1888 2000-05-03 Richard Henderson <rth@cygnus.com>
1890 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
1891 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
1892 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
1893 (mklibgcc, libgcc.mk): New targets.
1894 (libgcc.a): Use libgcc.mk.
1895 (stmp-multilib): Likewise.
1896 (stmp-multilib-sub): Remove.
1897 (mostlyclean): Don't delete libgcc2 temp files.
1898 * configure.in (AC_PROG_CC_C_O): Add.
1899 (NO_MINUS_C_MINUS_O): Substitute it.
1900 (all_outputs): Add mklibgcc.
1901 * mklibgcc.in: New file.
1903 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1905 * cppexp.c (op_t): Make an int.
1907 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
1909 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
1911 * gensupport.c (process_rtx): Fix macros used.
1913 2000-05-03 Richard Henderson <rth@cygnus.com>
1915 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
1916 call-clobbered registers of a call.
1918 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
1920 * gensupport.c: New file.
1921 * gensupport.h: New file.
1922 * Makefile.in (HOST_RTL): Depend on gensupport.
1923 (gensupport.o) New rule.
1924 * genattr.c: Use gensupport for reading .md files.
1925 * genattrtab.c: Ditto.
1926 * gencodes.c: Ditto.
1927 * genconfig.c: Ditto.
1929 * genextract.c: Ditto.
1930 * genflags.c: Ditto.
1931 * genopinit.c: Ditto.
1932 * genoutput.c: Ditto.
1934 * genrecog.c: Ditto.
1935 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
1936 * md.texi (Insn Splitting): Document define_insn_and_split.
1938 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
1940 * flow.c (verify_flow_info): Added two more sanity checks. The
1941 first checks that the blocks are numbered consecutively. The second
1942 checks that n_basic_blocks is actually equal to the number of
1943 basic blocks in the insn chain.
1945 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1947 * cpplib.h: Add accessor macros for token lists.
1948 * cpplib.c, cpphash.c, cpplex.c: Use them.
1950 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1952 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
1953 memory usage if not in a function.
1954 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
1955 return address if static.
1957 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
1959 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
1960 whether address may trap.
1962 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
1964 * bb-reorder (chain_reorder_blocks): Changed code to test for
1965 EDGE_FALLTHRU rather than making erroneous assumption that the
1966 first outgoing edge is the fall-through edge.
1968 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1970 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
1971 ABI for varargs, across all MIPS. This is incompatible because the
1972 va_list (__builtin_va_list) structure is different, so a compilation
1973 unit passing a va_list and a compilation unit being passed one, should
1974 both be compiled with the same ABI. (The old structure had two
1975 pointers, now it has three.)
1977 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
1979 * bb-reorder.c (struct reorder_block_def): Remove members end,
1980 block_begin, and block_end.
1981 (REORDER_BLOCK_OLD_END): Delete.
1982 (REORDER_BLOCK_BEGIN): Delete.
1983 (REORDER_BLOCK_END): Delete.
1984 (chain_reorder_blocks): Remove dead code.
1986 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
1988 * bb-reorder.c (remove_scope_notes): Check for both types of scope
1989 notes as the end of a basic block before deleting.
1991 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
1993 * final.c (final_start_function): Fix spelling of "necessary".
1995 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
1997 * toplev.c (debug_ignore_block): Return int.
1998 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
1999 * toplev.h, dwarf2out.h: Adjust.
2000 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2002 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2003 * toplev.c, final.c, rtl.h: Adjust.
2005 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2007 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2008 * configure.in: Look for makeinfo in the unified tree, then
2009 for a system makeinfo which is sufficiently new.
2010 * Makefile.in: If configure says makeinfo is too old, don't
2011 build or install Info documentation.
2013 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2015 * cpphash.c (collect_params): Fix off-by-one error.
2016 (dump_hash_helper): Dump all four macro nodetypes.
2018 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2020 * cpphash.c (trad_stringify): Adjust p after stringification as
2023 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2025 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
2026 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
2028 * cppfiles.c (file_cleanup): Delete.
2029 * cpphash.c (macro_cleanup): Delete.
2030 (collect_objlike_expansion, collect_funlike_expansion,
2031 macarg, scan_arguments): Remove CPP_POP case.
2033 * cpplex.c (null_cleanup): Delete.
2034 (cpp_pop_buffer): Do the work that was done in the cleanups
2035 here. Call _cpp_unwind_if_stack from here.
2036 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
2037 cpp_scan_buffer): Run until we see CPP_EOF and the top of
2038 stack is the buffer _below_ the one we stacked.
2039 (cpp_get_token): Always pop an exhausted buffer. Return
2040 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
2041 * cpplib.c (skip_if_group): Don't call cpp_get_token to
2042 increment the line number.
2043 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
2045 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
2046 we see CPP_EOF and the top of stack is the buffer _below_ the
2048 * scan-decls.c: Likewise.
2050 2000-05-02 Andrew Haley <aph@cygnus.com>
2052 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
2053 where this function is called for the second time on a decl that
2054 has had its section info changed in such a way as to move it out
2056 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
2058 2000-05-01 Richard Henderson <rth@cygnus.com>
2060 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
2061 the sequence we're moving, not to merge_bb->head.
2063 2000-05-01 Richard Henderson <rth@cygnus.com>
2065 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
2066 reference to alpha/t-linux.
2067 (alpha*-*-linux-gnu*): Likewise.
2068 * configure: Rebuild.
2070 * calls.c (expand_call): Don't emit reg notes for a sibcall.
2072 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
2075 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
2077 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
2079 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
2082 2000-05-01 Richard Henderson <rth@cygnus.com>
2084 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
2085 emit_conditional_move.
2087 2000-05-01 Jakub Jelinek <jakub@redhat.com>
2089 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
2090 as the dynamic linker.
2092 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
2094 * cppfiles.c (open_include_file): Open file in blocking mode.
2095 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
2096 Only exclude block devices and directories.
2098 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
2099 static. Allocate the hashnode and its string in the same
2101 (del_HASHNODE): Don't free h->name.
2102 (_cpp_lookup): If there is no entry for this string, create
2103 one, of type T_VOID.
2104 (_cpp_lookup_slot): Delete.
2105 * cpphash.h: Update prototypes.
2107 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
2109 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
2110 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
2111 node here, just fill in the value field properly. "Delete"
2112 entries by setting the value field to T_VOID. Check for
2113 hp->type == T_VOID, not hp == NULL.
2115 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
2116 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
2119 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
2121 * config/mn10300/mn10300.c (print_operand_address): Do not add
2124 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
2125 adjusted by less than 256 bytes, use ret regardless of having any
2126 callee-saved register to restore.
2128 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
2130 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
2132 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
2134 * config/i386/djgpp.h (INT_ASM_OP): Define.
2135 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
2136 (ASM_WEAKEN_LABEL): Define.
2137 (MASK_BNU210): Define.
2138 (SUBTARGET_SWITCHES): Define.
2139 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
2140 (MAKE_DECL_ONE_ONLY): Define.
2141 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
2143 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
2145 * i386/cygwin.h (INT_ASM_OP): Define.
2147 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
2149 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
2150 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
2152 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
2154 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
2155 __tmp_reg__ and __zero_reg__ initialization.
2157 2000-04-30 Richard Henderson <rth@cygnus.com>
2159 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
2161 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
2162 referenced bewteen the condition and the jump. Don't delete
2163 anything but the jump.
2165 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
2167 * bb-reorder.c (scope_def): New struct.
2168 (scope_forest_info): New struct.
2169 (struct reorder_block_def): New member "scope".
2170 (REORDER_BLOCK_SCOPE): New macro.
2171 (relate_bbs_with_scopes): New function and prototype.
2172 (make_new_scope): Likewise.
2173 (build_scope_forest): Likewise.
2174 (remove_scope_notes): Likewise.
2175 (insert_intra_1): Likewise.
2176 (insert_intra_bb_scope_notes): Likewise.
2177 (insert_inter_bb_scope_notes): Likewise.
2178 (rebuild_scope_notes): Likewise.
2179 (free_scope_forest_1): Likewise.
2180 (free_scope_forest): Likewise.
2181 (dump_scope_forest): Likewise.
2182 (dump_scope_forest_1): Likewise.
2183 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
2184 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
2186 (reorder_basic_blocks): Added calls to build_scope_scope_forest
2187 and remove_scope_notes before reordering is done. Added calls to
2188 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
2189 after reordering is done.
2191 2000-40-30 Bruce Korb <bkorb@gnu.org>
2193 * fixinc/inclhack.def: Added definitions needed by OSR5,
2194 removed two stale entries (defined away with OLD_CPP).
2195 * fixinc/inclhack.sh: regen
2196 * fixinc/fixincl.x: regen
2198 2000-04-30 Richard Henderson <rth@cygnus.com>
2200 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
2201 from the last insn in the sequence.
2203 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
2205 * cpplex.c (cpp_idcmp): New function.
2206 * cpplib.h: Prototype it.
2207 * scan_decls.c (scan_decls): Use it to inspect token names.
2208 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
2209 the file being run through the preprocessor.
2210 (check_macro_names): Provide length of token to cpp_defined.
2212 * Makefile.in: Remove stale warning message.
2214 * cppfiles.c (redundant_include_p): Provide length of token to
2216 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
2217 values are unsigned int.
2218 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
2219 (_cpp_lookup_slot): Do not calculate the hash, either.
2220 * cpphash.h: Update prototypes.
2221 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
2222 Hashes are unsigned int. Calculate hash here, pass by value
2223 to _cpp_lookup_slot.
2225 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
2227 * simplify-rtx.c (check_value_useless): Delete function.
2228 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
2230 (cselib_invalidate_regno): Likewise.
2231 (cselib_invalidate_mem_1): Likewise.
2232 (references_value_p): Recognize useless values by the fact that they
2234 (discard_useless_values): Likewise.
2235 (cselib_record_set): This may turn a useless value
2238 2000-04-30 Richard Henderson <rth@cygnus.com>
2240 * config/d30v: New port.
2242 * configure.in (d30v-*): Set fp format.
2243 * configure: Rebuild.
2245 2000-04-30 Richard Henderson <rth@cygnus.com>
2247 * ifcvt.c: New file.
2248 * Makefile.in (OBJS): Add it.
2249 (ifcvt.o): New target.
2250 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
2251 and conditional arithmetic.
2252 (find_insert_position): Remove.
2253 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
2254 * toplev.c (DFI_ce, DFI_ce2): New.
2255 (dump_file): Add ce and ce2 dumps.
2256 (rest_of_compilation): Run if_convert a couple o times. Set
2257 cse_not_expected after cse2. Don't set no_new_pseudos until
2258 after sched1 or recompute_reg_usage.
2260 2000-04-30 Richard Henderson <rth@cygnus.com>
2262 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
2263 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
2265 2000-04-30 Richard Henderson <rth@cygnus.com>
2267 * flow.c (struct reg_cond_life_info): New.
2268 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
2269 (init_propagate_block_info): Initialize them.
2270 (free_propagate_block_info): Destruct them.
2271 (mark_set_1): Consider conditional life before killing a register.
2272 (mark_regno_cond_dead): New.
2273 (free_reg_cond_life_info): New.
2274 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
2275 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
2276 (mark_used_reg): Record conditional life.
2278 * haifa-sched.c (schedule_insns): Disable death counting
2279 sanity check for HAVE_conditional_execution.
2281 2000-04-30 Richard Henderson <rth@cygnus.com>
2283 * Makefile.in (TIMEVAR_H): New.
2284 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
2285 (timevar.h): Remove rule.
2287 2000-04-29 Richard Henderson <rth@cygnus.com>
2289 * config/alpha/crtend.asm: Use C comments instead of #.
2290 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
2292 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
2294 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
2296 * cpphash.h (enum node_type: Take out T_MCONST.
2297 (union hashval): Move into struct hashnode.
2298 (struct hashnode): Pack tighter. Remove file, line, col
2300 * cpphash.c: Constify most of the macro-definition structures.
2301 (struct definition): Replace by struct object_defn
2302 and struct funct_defn. Put file, line, column information
2303 here. All users updated to match.
2304 (_cpp_create_definition, _cpp_macroexpand): Remove special
2305 case for #define WORD OTHERWORD.
2306 * cpplib.c (do_undef): Remove T_MCONST case.
2308 * cpphash.h: Move struct reflist, struct definition, and the
2309 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
2310 union hashval. _cpp_free_definition takes a HASHNODE pointer.
2311 * cpphash.c (_cpp_free_definition): Free data pointed to by
2312 MCONST, XCONST, MACRO, and FMACRO nodes properly.
2313 (_cpp_create_definition, del_HASHNODE): Just call
2314 _cpp_free_definition to clear out a hashnode.
2315 * cpplib.c (do_pragma_poison): Likewise.
2317 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2319 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
2320 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
2321 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
2322 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
2323 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
2324 REGNO_AM33_P): Redefine in terms of the new macros.
2325 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
2326 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2327 STRUCT_VALUE): Likewise.
2328 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2329 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
2331 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
2333 * regmove.c (struct record_stack_memrefs_data): New.
2334 (record_stack_memrefs): New function.
2335 (combine_stack_adjustments_for_block): Use it.
2337 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2339 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
2340 use special_function_p to detect alloca.
2342 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
2344 * gcc.texi: Fixes for makeinfo 4.0 --html.
2346 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
2348 * pcp.h: Delete file.
2350 2000-04-28 Kazu Hirata <kazu@hxi.com>
2352 * h8300.c (function_epilogue): Clean up flags when the last insn
2353 in a function is a barrier.
2355 2000-04-28 Chris Demetriou <cgd@sibyte.com>
2357 * configure.in (sparc-hal-solaris2*): protect [] glob from
2359 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
2360 rather than hard-coded constants in target_cpu_default2.
2361 * configure: Regenerate.
2363 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2365 * tree.c (get_callee_fndecl): Extract the initial value from
2368 2000-04-28 Richard Henderson <rth@cygnus.com>
2370 * varasm.c (record_constant_1): Record the CODE_LABEL when
2371 taking the address of a LABEL_REF.
2373 2000-04-28 Richard Henderson <rth@cygnus.com>
2374 Jan Hubicka <jh@suse.cz>
2376 * calls.c (combine_pending_stack_adjustment_and_call): Return the
2377 adjustment; don't do the stack adjust.
2378 (expand_call): Call compute_argument_block_size right before
2379 allocating the block; update comment; don't do alignment sanity
2380 checking for sibling call; use args_size instead of
2381 unadjusted_args_size before args_size is adjusted. Use
2382 combine_pending_stack_adjustment_and_call to compute stack adjust
2383 for must_preallocate case.
2385 * expr.c (push_block): Remove shadow `temp' in inner scope.
2387 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2389 * toplev.c (rest_of_compilation): Call
2390 note_deferral_of_defined_inline_function even if the function
2393 2000-04-28 Scott Bambrough <scottb@netwinder.org>
2395 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
2397 2000-04-28 Richard Henderson <rth@cygnus.com>
2399 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
2401 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2403 * timevar.c (init_timevar): DeANSIfy function definition.
2405 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2407 * Makefile.in (timevar.o): Depend on flags.h.
2408 * timevar.c (unused_stack_instances): New variable.
2409 (timevar_push): Take a timevar_stack_def from
2410 unused_stack_instances if available.
2411 (timevar_pop): Push the popped timevar_stack_def onto
2412 unused_stack_instances.
2413 (TIMEVAR_ENABLE): New macro.
2414 (timevar_def): Make standalone a 1-bit field. Add field used.
2415 (get_time): Rename parameter to now. Return after clearing it if
2417 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
2418 (timevar_pop): Likewise.
2419 (timevar_stop): Likewise.
2420 (timevar_push): Likewise. Mark the timing variable as used.
2421 (timevar_start): Likewise.
2422 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
2423 timevars that were never used.
2425 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2427 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
2428 always TREE_READONLY.
2430 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
2432 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
2433 for call instruction with mode QImode.
2435 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2437 * Makefile.in (OBJS): Add timevar.o.
2438 (toplev.o): Depend on timevar.h.
2439 (ggc-simple.o): Likewise.
2440 (ggc-page.o): Likewise.
2441 (timevar.o): New rule.
2442 (timevar.h): New rule.
2444 * timevar.h: New file.
2445 * timevar.c: Likewise.
2446 * timevar.def: Likewise.
2448 * toplev.h (gc_time, parse_time, varconst_time): Remove.
2449 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
2451 (TIMEVAR): Remove macro.
2452 (gc_time, parse_time, varconst_time, integration_time, jump_time,
2453 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
2454 flow_time, combine_time, regmove_time, sched_time,
2455 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
2456 sched2_time, dbr_sched_time, reorder_blocks_time,
2457 rename_registers_time, shorten_branch_time, stack_reg_time,
2458 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
2460 (compile_file): Don't initialize time variables. Call
2461 init_timevar and start TV_TOTAL timer. Call timevar_print instead
2462 of many calls to print_time.
2463 (rest_of_compilation): Add timing for reload_cse_regs.
2464 (get_run_time): Removed to timevar.c.
2465 (print_time): Likewise.
2466 (get_run_time): Implement using TV_TOTAL time variable.
2467 (print_time): Get total run time from get_run_time.
2468 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
2469 computing elapsed time explicitly.
2470 * ggc-simple.c (ggc_collect): Likewise.
2471 (gc_time): Remove declaration.
2473 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2475 * calls.c (combine_pending_stack_adjustment_and_call): New function.
2476 (expand_call): Use it.
2478 2000-04-27 Jan Hubicka <jh@suse.cz>
2480 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
2483 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2485 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
2488 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
2490 * function.c (epilogue_done): Pass whole insn to record_insns.
2492 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
2494 * cse.c (CSE_ADDRESS_COST): Remove.
2495 (find_best_addr): Add new parameter "MODE", use address_cost instead
2497 (address_cost): New.
2498 (fold_rtx): Update call of find_best_addr.
2499 * rtl.h (address_cost): Declare.
2500 * loop.c (general_induction_var): Add new parameter "MODE", use
2501 address_cost instead of ADDRESS_COST
2502 (init_loop): Use address_cost instead of ADDRESS_COST.
2503 (check_insn_for_givs): Update call of general_induction_var.
2504 (find_mem_givs): Likewise.
2505 (consec_sets_giv): Likewise.
2506 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
2507 * i386.c (ix86_address_cost): New.
2508 * i386-protos.h (ix86_address_cost): Declare.
2510 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
2512 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
2515 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
2517 * expr.c (store_expr): Use clear_storage instead of direct memset
2520 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
2522 * config/mn10300/mn10300.c (mn10300_address_cost): Test
2523 ASHIFT, AND and LABEL_REF.
2525 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
2527 * invoke.texi (-foptimize-sibling-calls): Fix.
2529 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
2531 * loop.c (load_mems) Don't use hard registers for the hoisting.
2533 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
2534 calculation; rename const_equiv array in the preconditioning code
2535 from loop_unroll to loop_unroll_precondition
2537 2000-04-27 Richard Henderson <rth@cygnus.com>
2539 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
2541 (propagate_one_insn): Clear it. Don't update reg_live here.
2542 (init_propagate_block_info): Update for pbi member changes.
2543 (free_propagate_block_info): Likewise.
2544 (mark_set_1): Know that zero_extract, sign_extract, and
2545 strict_low_part don't kill their argument. Alter hard subregs.
2546 Update new_set for non-CLOBBER sets. Update reg_live.
2547 (find_auto_inc): Update reg_live, not new_dead.
2548 (mark_used_reg): Update reg_live, not new_live. Examine new_set
2549 to determine if the reg in question was set this insn. Only update
2550 reg info with PROP_REG_INFO.
2552 2000-04-26 Richard Henderson <rth@cygnus.com>
2554 * flow.c (allocate_reg_life_data): Set max_regno here ...
2555 (life_analysis): ... not here.
2557 * flow.c (calculate_global_regs_live): Force stack pointer
2560 2000-04-26 Richard Henderson <rth@cygnus.com>
2562 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
2563 commit change group changes.
2564 (invert_exp_1): Similarly.
2565 (redirect_exp, invert_exp): Use them.
2566 (redirect_jump_1): New.
2567 (invert_jump_1): New.
2568 (jump_optimize_1): Remove code subsumed by condexec.c.
2569 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
2571 2000-04-26 Richard Henderson <rth@cygnus.com>
2573 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
2575 * genconfig.c (main): Set all HAVE_foo to 1.
2577 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
2579 2000-04-26 Alex Samuel <samuel@codesourcery.com>
2581 * invoke.texi: Document -fssa flag.
2583 2000-04-26 Richard Henderson <rth@cygnus.com>
2585 * flow.c (count_reg_sets_1): Remove.
2586 (count_reg_sets, count_reg_references): Remove.
2587 (recompute_reg_usage): Implement with update_life_info.
2588 Reallocate life data.
2590 2000-04-26 Richard Henderson <rth@cygnus.com>
2592 * flow.c (update_life_info): Consider blocks null to mean the
2594 (calculate_global_regs_live): Likewise.
2595 (life_analysis): Do that instead of collecting all_blocks.
2597 2000-04-26 Richard Henderson <rth@cygnus.com>
2599 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
2600 a still-valid conditional jump.
2602 2000-04-26 Richard Henderson <rth@cygnus.com>
2604 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
2606 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
2607 * flow.c (calculate_loop_depth): Remove.
2608 * output.h (calculate_loop_depth): Don't declare.
2609 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
2610 inline; run estimate_probability at the same time.
2612 2000-04-26 Neil Booth <NeilB@earthling.net>
2614 * cpplib.h: "~=" is not a single pp-token.
2615 * cpplex.c: Correct commentary.
2617 2000-04-26 Richard Henderson <rth@cygnus.com>
2619 * flow.c (mark_set_1): New arguments code and flags; update all
2620 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
2621 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
2622 loop_depth when optimizing for size. Do new_dead update after
2623 emitting REG_UNUSED notes. Merge mark_set_reg code.
2624 (mark_set_reg): Remove.
2625 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
2626 arrange to not emit REG_UNUSED notes.
2628 2000-04-26 Richard Henderson <rth@cygnus.com>
2630 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
2631 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
2633 2000-04-26 Richard Henderson <rth@cygnus.com>
2635 * flow.c (propagate_one_insn): Break out from propagate_block.
2636 (init_propagate_block_info): Likewise.
2637 (free_propagate_block_info): Likewise.
2638 (propagate_block): Use them. Export.
2639 * basic-block.h: Declare them all.
2641 2000-04-26 Richard Henderson <rth@cygnus.com>
2643 * basic-block.h (life_analysis): Declare here ...
2644 * output.h: ... not here.
2645 * flow.c (life_analysis): Remove nregs parameter; replace
2646 remove_dead_code with flags. Remove ssa dead code check.
2647 Only init alias analysis if we'll use it.
2648 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
2649 * ssa.c (convert_to_ssa): Likewise.
2650 (convert_from_ssa): Likewise.
2651 * toplev.c (rest_of_compilation): Likewise.
2653 2000-04-26 Richard Henderson <rth@cygnus.com>
2655 * flow.c (flow_delete_block): Rename from delete_block. Export.
2656 * basic-block.h (flow_delete_block): Declare.
2658 2000-04-26 David S. Miller <davem@redhat.com>
2660 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
2661 taking a PATTERN of it.
2663 2000-04-26 <NeilB@earthling.net>
2665 * cpplex.c (spell_other, spell_char): Remove.
2667 (token_spelling, trigraph_map): Use unsigned chars.
2668 (_cpp_lex_line): Tidy up the switch statement.
2669 * cpplib.h: Implement spell_char with spell_string.
2672 2000-04-26 <RodneyBrown@pmsc.com>
2674 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2675 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2677 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2679 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
2680 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
2681 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
2682 dwarf2out_return_save, dwarf2out_return_reg,
2683 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
2684 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
2685 gen_compile_unit_die, dwarf2out_init): Constify a char*.
2687 * dwarf2out.h (dwarf2out_init): Likewise.
2689 * dwarfout.c (filename_entry, primary_filename, last_filename,
2690 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
2692 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
2693 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
2694 dwarf2out_return_reg): Likewise.
2696 2000-04-26 Andreas Jaeger <aj@suse.de>
2698 * extend.texi (Function Attributes): Fix description of pure
2701 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2703 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
2704 before calling rest_of_compilation.
2706 2000-04-26 Andreas Jaeger <aj@suse.de>
2708 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
2711 2000-04-25 Richard Henderson <rth@cygnus.com>
2713 * cse.c (cse_insn): Emit barrier after unconditional jump.
2715 * calls.c (expand_call): Disable tail call generation once
2716 rtx_equal_function_value_matters is false.
2718 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
2721 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
2723 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
2725 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
2727 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
2728 is the primary DIE for a member function.
2729 (gen_decl_die): Call set_decl_origin_self here.
2730 * dwarfout.c (output_decl): And here.
2731 * integrate.c (output_inline_function): Not here.
2732 Don't clear DECL_INLINE until after calling rest_of_compilation.
2733 (set_decl_origin_self): No longer static.
2734 * tree.h: Add prototype.
2735 * toplev.c (note_deferral_of_defined_inline_function): Only write
2736 out abstract instance for actual inlines.
2738 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
2740 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
2741 EXTENDED_REGS only if TARGET_AM33.
2742 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
2743 SP_REGS to register allocation and reloading unless absolutely
2745 (movsi3): Remove special-case of adding non-constants to SP.
2747 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2749 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
2750 INCLUDES to search and does not provide any of its own. Also it
2751 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
2752 parameters. Also it does not call AC_DEFINE.
2753 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
2754 AC_DEFINE and provides for automatic entries for autoheader.
2755 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
2757 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
2758 so we can pass -I flags and include gansidecl.h/system.h in this
2761 * acconfig.h: Delete all NEED_DECLARATION_* entries.
2763 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2765 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2766 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2767 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
2769 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2770 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2771 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
2772 for these macros. Clean up spacing and linewraps.
2774 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2776 * calls.c (expand_call): Use get_callee_fndecl.
2778 * print-tree.c (print_node): Print the chain of an _EXPR.
2780 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
2781 Jim Wilson <wilson@cygnus.com>
2782 Andrew Haley <aph@cygnus.com>
2784 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
2785 and gp save/restore problems.
2786 * config/ia64/crtend.asm: Add IA-64 unwind support.
2787 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
2788 in fr_pad_size calculation.
2789 (save_restore_insns): Move PR save area. Correct uses of
2790 RTX_FRAME_RELATED_P.
2791 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
2792 (ia64_expand_epilogue): Add eh_epilogue support.
2793 (ia64_function_prologue): Emit .prologue directive.
2794 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
2795 (ia64_override_options): Set init_machine_status and
2796 mark_machine_status.
2797 (rtx_needs_barrier): Handle bsp reads and writes.
2798 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
2799 New static variables.
2800 (process_set, process_for_unwind_directive): New functions.
2801 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
2802 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
2803 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
2805 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
2806 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
2807 (struct machine_function): Define.
2808 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
2810 2000-04-25 Bruce Korb <bkorb@gnu.org>
2812 * fixinc/Makefile.in: make the removal of old programs more
2814 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
2815 install-bin and install-sh
2817 2000-04-25 Nick Clifton <nickc@cygnus.com>
2819 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
2820 defined, define to return zero.
2821 (function_cannot_inline_p): If a function has any target
2822 specific attributes, then use the macro
2823 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
2824 whether it can be inlined. If it cannot, issue a suitable
2827 * tm.texi: Add a new node 'Inlining' to document the new macro
2828 FUNCTION_ATTRIBUTE_INLINABLE_P.
2830 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
2832 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
2835 2000-04-25 Neil Booth <NeilB@earthling.net>
2837 Restore previous patch, plus the following fixes:
2839 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
2840 flags, not CPP_OPEN_PAREN.
2841 * cpplex.c (expand_token_space, init_token_list,
2842 cpp_free_token_list): Put the dummy token at list->tokens[-1].
2843 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
2845 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2847 * config/i386/freebsd.h (INT_ASM_OP): Define.
2849 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
2851 * loop.c (strength_reduce): Fix typo in the last checkin.
2853 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2855 * stor-layout.c (finalize_record_size): Simplify to use existing
2857 (compute_record_mode): No longer static.
2858 * tree.h (compute_record_mode): New declaration.
2860 2000-04-25 Neil Booth <NeilB@earthling.net>
2862 * Revert my patch below until cause of build failures
2865 2000-04-25 Richard Henderson <rth@cygnus.com>
2867 * combine.c (combine_instructions): Add missing argument
2870 * toplev.c (rest_of_compilation): Delay sibcall optimization
2871 until after emit_eh_context.
2873 2000-04-24 Nick Clifton <nickc@redhat.com>
2875 * combine.c (combine_instructions): Do not try to combine a
2876 sequence of insns when the second insn has been replaced by a
2879 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
2881 * gcc.c (load_specs): New static function.
2882 (read_specs): Use it.
2884 * gcc.c (lookup_compiler): Make multiple passes for case
2885 insensitive filesystems.
2887 2000-04-24 Neil Booth <NeilB@earthling.net>
2889 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
2890 * cpphash.h (_cpp_check_directive): new.
2891 * cpplex.c (handle_newline, cpp_free_token_list,
2892 init_trigraph_map, trigraph_ok, trigraph_replace,
2893 backslash_start, skip_block_comment, skip_line_comment,
2894 skip_whitespace, parse_name, parse_number, parse_string,
2895 copy_comment, _cpp_lex_line, spell_char, spell_string,
2896 spell_comment, spell_name, spell_other, _cpp_lex_file,
2897 _cpp_output_list): new.
2898 (expand_name_space): take length argument.
2899 (init_token_list): add comment list initialisation.
2900 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
2901 instead of HSPACE_BEFORE.
2903 * cpplib.c (_cpp_check_directive): new
2904 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
2905 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
2906 (HSPACE_BEFORE): delete.
2907 (TTYPE_TABLE): rearrange.
2908 (struct cpp_toklist): update.
2910 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2912 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
2913 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
2914 argument form of AC_DEFINE.
2916 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
2917 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
2918 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
2919 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
2920 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
2922 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
2924 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2926 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
2927 deduced.h): Use -isystem, not -I, for including system headers.
2929 2000-04-24 Nick Clifton <nickc@cygnus.com>
2931 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
2932 the source register is the frame pointer or arg pointer.
2933 (addsi3_small_int): Disallow if source register is the frame
2934 pointer or arg pointer.
2936 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2938 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
2939 call to AC_MSG_RESULT.
2941 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2943 * invoke.texi: Correct grammatical errors, document
2944 -fno-gnu-keywords as identical to -fno-asm for C++.
2946 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2948 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
2949 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
2950 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
2951 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
2952 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
2954 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
2955 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
2956 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
2957 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
2960 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
2962 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
2963 (pop_alignment): Likewise.
2964 (handle_pragma_token): Likewise.
2966 2000-04-24 Robert Lipe <robertlipe@usa.net>
2968 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
2970 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
2972 * combine.c (try_combine): Update reg_nonzero_bits of
2973 newi2pat before newpat.
2975 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
2977 * loop.c (strength_reduce): Simplify test to INSN_P.
2978 (record_giv): Attempt to simplify the add value, use CONSTANT_P
2979 expressions instead of CONST_INT.
2980 (express_from_1): Likewise.
2982 2000-04-24 Mark Mitchell <mark@codesourcery.com>
2984 * regs.h (reg_n_max): Don't declare.
2985 * flow.c (reg_n_max): Don't define.
2986 * regclass.c (renumber): Don't initialize to zero.
2987 (regno_allocated): Likewise.
2988 (reg_n_max): Define.
2989 (allocate_reg_info): Don't initialize unnecessarily.
2991 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
2993 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
2994 and blockage_p in the newly allocated attribute.
2996 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
2998 * config/mn10300/mn10300.md (addsi): `inc4' on address
2999 registers does not modify cc, but `inc' on an extended
3002 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3004 * reload.c (find_equiv_reg): Checks all valueno regs
3005 as a reload_reg_p regs.
3007 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3009 * cpphash.c (collect_objlike_expansion): Add sanity check.
3010 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3011 the buffer is the empty string, return. Mark __DATE__ and
3012 __TIME__ as XCONST nodes, not MCONST.
3013 (_cpp_macroexpand): Avoid pushing an empty buffer.
3014 (funlike_macroexpand): Don't pop token_buffer here.
3016 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3018 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3019 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3020 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
3021 (REGNO_OK_FOR_BASE_P): Define in terms of them.
3022 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
3023 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
3024 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
3026 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3028 * loop.c (simplify_giv_expr): Be more agressive on simplifying
3031 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3033 * cpphash.h (struct definition): Move file, line, col members...
3034 (struct hashnode): ... here. Also add 'disabled' flag.
3035 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
3036 T_IDENTITY. Remove T_DISABLED.
3039 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
3040 (collect_expansion): Split into collect_objlike_expansion and
3041 collect_funlike_expansion.
3042 (_cpp_macroexpand): Split out scan_arguments, stringify, and
3043 funlike_macroexpand.
3044 (_cpp_compare_defs): Rename compare_defs, make static.
3045 (_cpp_make_hashnode): Initialize hp->disabled.
3046 (macro_cleanup): Adjust for new token types. Clear
3048 (_cpp_create_definition): Move code here to determine what
3049 sort of macro it is, and code to check for redefinitions, from
3050 do_define. Implement a few simple cases without creating a
3052 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
3053 Handle the simple cases.
3054 (push_macro_expansion): Set buf->has_escapes and hp->disabled
3057 * cppinit.c (builtin_array): Change MCONST to XCONST
3059 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
3060 fix check for disabled and function-like macros.
3061 * cpplib.c (do_define): Move most logic to
3062 _cpp_create_definition.
3063 (do_undef): Handle new special token types.
3065 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
3067 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
3068 of CONSTANT_P for mult_val; always use validate_change to update insn.
3070 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
3072 * cpphash.c (trad_stringify, add_pat): New functions.
3073 (collect_expansion): Restore support for -traditional syntax.
3074 Use trad_stringify and add_pat.
3075 (_cpp_macroexpand): Restore support for -traditional semantics.
3076 * cpplex.c (_cpp_scan_line): Don't change space_before if we
3077 get a COMMENT token.
3078 (_cpp_lex_token): Provide COMMENT tokens to caller if
3079 traditional and parsing_define_directive.
3080 (skip_comment): Warn about // comments if -Wtraditional.
3081 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
3083 (do_undef): Don't warn about undefining EMPTY nodes.
3085 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3087 * loop.c (strength_reduce): Fix biv removal code.
3089 2000-04-22 Richard Henderson <rth@cygnus.com>
3091 * predict.c (estimate_probability): Examine both sides of
3092 a branch for no exits. Use 90% not 50% for predict taken.
3093 Reorg for one copy of note generation code.
3095 2000-04-22 Richard Henderson <rth@cygnus.com>
3097 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
3099 2000-04-22 Richard Henderson <rth@cygnus.com>
3101 * diagnostic.c (init_output_buffer): Don't initialize format_args.
3102 (output_clear): Likewise.
3103 (output_printf): Use va_copy.
3104 (vline_wrapper_message_with_location): Likewise.
3105 (v_message_with_decl): Likewise.
3106 (line_wrapper_printf): VA_START infor buffer.format_args directly.
3107 * system.h (va_copy): Provide default implementation.
3109 2000-04-22 Richard Henderson <rth@cygnus.com>
3111 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
3112 the collected condition is not a constant.
3114 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
3116 * diagnostic.h: New file.
3118 * Makefile.in (diagnostic.o): Depends on diagnostic.h
3120 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
3121 various function prototypes.
3122 (diagnostic.h): #include.
3123 (struct output_buffer): Move into diagnostic.h.
3124 (get_output_prefix): Rename to output_get_prefix. Export.
3125 (init_output_buffer): Export. Break out. Ajust intialization.
3126 (output_space_left, output_append): Export.
3127 (output_newline): Rename to output_add_newline. Export.
3128 (output_clear): Nullify additional output_buffer fields.
3129 (output_puts): Rename to output_add_string. Export.
3130 (dump_output): Rename to output_flush_on. Export.
3131 (build_location_prefix): Constify return-type.
3132 (emit_output_prefix): Rename to output_emit_prefix. Export.
3133 (set_real_maximum_length): New function.
3134 (output_set_maximum_length): Ditto
3135 (output_clear): Ditto.
3136 (output_add_character): Ditto.
3137 (output_add_integer): Ditto.
3138 (output_add_space): Ditto.
3139 (output_format): Ditto.
3140 (output_printf): Adjust buffer initialization.
3141 (vline_wrapper_message_with_location): Ditto.
3142 (v_message_with_decl): Ditto. Adjust call to output_puts
3143 and get_output_prefix.
3144 (default_print_error_function): Adjust buffer intialization.
3146 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3148 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
3151 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
3153 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
3156 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3158 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
3159 accurate data about SP moves.
3161 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
3163 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
3164 aliases to AM33 registers.
3166 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3168 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
3169 to all EXTENDED bitmaps.
3171 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
3173 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
3174 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
3175 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
3177 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
3179 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
3180 the operand is not constant.
3182 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
3184 * reload.c (find_equiv_reg): Checks all valueno and regno regs
3185 as a call-clobbered regs.
3187 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3189 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
3191 * rtl.def: Update comment.
3192 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
3193 * integrate.c (expand_inline_function): Likewise.
3194 * profile.c (branch_prob): Likewise.
3195 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
3196 * print-rtl.c (print_rtx): Likewise.
3197 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
3198 (reemit_notes): Likewise; also use enum insn_note.
3200 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
3201 (place_field): Properly compute know and actual alignment.
3203 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
3206 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
3209 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
3211 * cpphash.c (struct arg, struct arglist): Const-ify strings.
3212 (warn_trad_stringify, duplicate_arg_p): New helper functions.
3213 (collect_expansion): Rewrite to scan over a token list.
3214 Remove -traditional support.
3215 (collect_formal_parameters): Rename to collect_params; rewrite
3216 to scan over a token list.
3217 (_cpp_create_definition): Adjust to scan a token list.
3218 (_cpp_macroexpand): Remove -traditional support.
3219 (_cpp_compare_defs): Whitespace is now canonicalized.
3220 (comp_def_part): Delete function.
3222 * cpphash.h: Update prototypes.
3223 * cpplex.c (init_token_list): Don't set lineno if there is no
3225 (pedantic_whitespace): New function.
3226 (_cpp_scan_line): Mark tokens that had hspace before. Don't
3227 consume a newline. Use pedantic_whitespace.
3228 (_cpp_lex_token): Remove support for -traditional macros.
3229 (_cpp_get_define_token): Delete.
3230 (_cpp_get_directive_token): Do the real work here. Use
3231 pedantic_whitespace.
3232 (_cpp_init_input_buffer): Initialize pfile->directbuf.
3234 * cpplib.c (get_macro_name): Delete.
3235 (do_define): Read the entire line into pfile->directbuf, then
3236 feed the token list to _cpp_create_definition.
3237 * cpplib.h (HSPACE_BEFORE): new define.
3238 (struct cpp_reader): Add a toklist member, "directbuf".
3240 * predict.c (estimate_probability): New heuristic: if a jump
3241 branches around a block with no successors, predict it taken.
3242 Disentangle control flow.
3244 2000-04-20 Richard Henderson <rth@cygnus.com>
3246 * loop.c (emit_iv_add_mult): Revert last change.
3248 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3250 * cpplib.h (enum cpp_ttype): Add token types for all
3251 punctuators. Distinguish pp-numbers from valid C numbers.
3252 Give some tokens better names. Initialize from macro.
3253 (struct cpp_name, cpp_token, cpp_toklist): New data
3256 * cpplex.c (bump_column, expand_name_space,
3257 expand_token_space, init_token_list, cpp_output_list,
3258 _cpp_scan_line): New functions.
3259 (output_line_command): Add third argument, new line number.
3260 * cpphash.h: Update prototypes.
3261 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
3264 2000-04-20 Richard Henderson <rth@cygnus.com>
3266 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
3268 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3270 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
3273 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
3275 * loop.c (emit_iv_add_mult): Simplify it's input and emit
3276 REG_EQUAL note explaining the calculated value.
3278 * calls.c (expand_call): Avoid unnecesary precalculation
3279 and outgoing parameters space guarding for sibling calls.
3280 (store_one_arg): Likewise.
3282 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3284 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
3285 (rest_of_compilation): Write sibling dump file and account
3286 for time as jump time.
3287 * invoke.texi: Update documentation on dump flags.
3289 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
3291 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
3293 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
3295 * cpphash.c (special_symbol): Represent an empty macro with
3296 "\r \r " not just "\r ".
3297 (_cpp_macroexpand): Correct condition for the foo ( ) special
3299 (unsafe_chars): Handle EOF as second argument.
3300 (push_macro_expansion): Simplify test for removing escape at
3301 end. Do not trim both escapes if there is no text in between.
3303 2000-04-19 Jim Blandy <jimb@redhat.com>
3305 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
3306 of PTR_SIZE, when appropriate.
3308 2000-04-19 Mark Mitchell <mark@codesourcery.com>
3310 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
3311 (USE_ENUM_BITFIELDS): Fix typo.
3313 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3315 * stor-layout.c (place_field): Set rli->offset_align properly.
3317 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3319 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
3320 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
3321 PARM_BOUNDARY): Remove unnecessary casts.
3323 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3325 * calls.c (precompute_arguments): Remove must_preallocate and
3327 (expand_call): Update call of precompute_arguments.
3329 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
3330 check_insn_for_givs): Break out from ...
3331 (strength_reduce) ... here; use for_every_insn_in_loop to call
3332 check_insn_for_givs.
3333 * loop.h (for_every_insn_in_loop): Declare.
3334 (loop_insn_callback): New type.
3336 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3338 * cpplib.c (do_pragma_poison): Strings in the token buffer are
3341 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
3343 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
3346 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3348 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
3350 * configure.in: Delete --disable-cpplib option and all
3351 references to cpp_main.
3352 * configure: Regenerate.
3353 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
3354 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
3355 cccp.o, cccp, or cppmain. Link cppmain.o straight to
3356 cpp$(exeext). Add --no-headers to makeinfo command line when
3357 generating INSTALL. Install and uninstall cpp.1 manpage, not
3359 * install.texi: Delete all references to cexp.y/cexp.c.
3360 Delete ancient instructions for compiling GCC on 3b1.
3361 * INSTALL: Regenerate.
3363 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
3364 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
3365 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
3367 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
3368 which is no longer tested anywhere.
3370 * cppinit.c (handle_option): Don't run error message through
3373 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3375 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
3376 * cpperror.c (hashtab.h): Now include.
3377 * cppexp.c (hashtab.h): Likewise.
3378 * cpplex.c (hashtab.h): Likewise.
3379 * cppfiles.c (hashtab.h): Likewise.
3380 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
3381 to htab_find_slot_with_hash.
3382 * cpphash.c (hashtab.h): Now include.
3383 (_cpp_lookup_slot): INSERT is now enum insert_option.
3384 * cpphash.h (_cpp_lookup_slot): Likewise.
3385 * cppinit.c (hashtab.h): Include earlier.
3386 (initialize_builtins): Pass enum to htab_find_slot.
3387 * cpplib.c (hashtab.h): Now include.
3388 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
3389 (do_pragma_poison, do_assert): Likewise.
3390 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
3391 htab_find_slot_with_hash.
3392 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
3393 * tree.c (type_hash_add): Likewise.
3394 (build1): Minor cleanup.
3396 * ggc-common.c: Add missing blanks.
3397 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
3398 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
3400 * stmt.c (mark_case_node): New function.
3401 (mark_case_nesting): Call it.
3403 * expmed.c (emit_store_flag): If comparing two-word integer
3404 with zero, can optimize NE, EQ, GE, and LT.
3406 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
3407 * conflict.c: Minor cleanups.
3408 * optabs.c: Add blank line
3409 * simplify-rtx.c: Minor cleanups.
3411 2000-04-18 Stan Cox <scox@cygnus.com>
3413 * gengenrtl.c (genlegend): Fix misspelling.
3415 2000-04-18 Robert Lipe <robertlipe@usa.net>
3417 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
3418 bitfields of the host compiler are not signed quantities.
3419 * config.in: Regenerate.
3420 * configure: Regenerate.
3421 * system.h (USE_ENUM_BITFIELDS): Added.
3422 (ENUM_BITFIELDS): Added.
3423 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
3424 (SHORT_ENUM_BUG): Deleted.
3425 * tree.h (tree_common): Members `code', `mode', `built_in_class',
3427 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
3428 (CODE_FIELD_BUG): Likewise.
3429 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
3431 * config/m68k/x-ccur (X_CFLAGS): Likewise.
3433 2000-04-18 Mark Mitchell <mark@codesourcery.com>
3435 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
3438 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3440 * cppexp.c (lex): Don't assume tokens are NUL terminated.
3441 * cpplib.c (do_include, do_import, do_include_next,
3442 read_line_number, detect_if_not_defined): Likewise.
3443 * cpphash.c (collect_expansion): Likewise.
3444 (special_symbol, _cpp_macroexpand): Check return from
3446 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
3447 macros. Delete all uses.
3449 * gcc.dg/cpp-mi.c: Add two more test cases.
3450 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
3452 2000-04-17 Richard Henderson <rth@cygnus.com>
3454 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
3455 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
3457 2000-04-17 Mark Mitchell <mark@codesourcery.com>
3459 * function.c (expand_function_start): Use hard_function_value to
3460 compute the RTL to use for DECL_RESULT.
3462 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3464 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
3465 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3466 x86_memory_mismatch_stall): New global variables.
3467 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
3468 alloved; fix load penalties for Athlon.
3469 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3470 x86_memory_mismatch_stall): Declare.
3471 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
3472 TARGET_MEMORY_MISMATCH_STALL): New.
3473 * i386.md (athlon scheduling parameters): Fix latencies according to
3474 Athlon Optimization Manual.
3475 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
3477 (fsqrt instruction patterns): Set athlon_decode to direct.
3478 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
3479 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
3480 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
3481 and TARGET_PARTIAL_REGISTER_STALL machines.
3482 (pushdf_nointeger): New pattern.
3483 (pushdf_integer): Rename from pushdf.
3484 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
3485 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
3487 2000-04-17 Richard Henderson <rth@cygnus.com>
3489 * loop.c (canonicalize_condition): Add WANT_REG argument.
3490 Stop the search if we match it.
3491 * expr.h (canonicalize_condition): Update decl.
3492 * predict.c (expected_value_to_br_prob): Use it. Track last
3493 expected value note.
3494 (find_expected_value): Remove.
3496 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
3498 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3500 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
3501 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
3503 * configure.in: Call AC_FUNC_MMAP_FILE.
3504 * configure: Regenerate.
3505 * config.in: Regenerate.
3507 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
3508 * fixinc/fixincl.c: Likewise.
3510 2000-04-17 Richard Henderson <rth@cygnus.com>
3512 * builtins.c (expand_builtin_expect): New.
3513 (expand_builtin): Call it.
3514 * builtins.def (BUILT_IN_EXPECT): New.
3515 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
3516 * extend.texi: Document it.
3518 * predict.c (expected_value_to_br_prob): New.
3519 (find_expected_value): New.
3520 * basic-block.h (expected_value_to_br_prob): Declare.
3521 * toplev.c (rest_of_compilation): Invoke it.
3523 * rtl.h (NOTE_EXPECTED_VALUE): New.
3524 (NOTE_INSN_EXPECTED_VALUE): New.
3525 * rtl.c (note_insn_name): Update.
3526 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
3527 cases; handle NOTE_INSN_EXPECTED_VALUE.
3529 2000-04-17 Jakub Jelinek <jakub@redhat.com>
3531 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
3532 leaf sibcall delay slot if flag_pic.
3533 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
3535 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3537 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
3539 * fixproto: If fix-header fails, exit with an error.
3541 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3543 * cse.c (struct check_depdendence_data): New.
3544 (check_dependence): New function.
3545 (invalidate): Use check_depdenence.
3547 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3549 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
3550 UNITS_PER_WORD is unsigned.
3552 * tree.h (struct tree_common): Remove misleading comment.
3554 2000-04-16 Dave Pitts <dpitts@cozx.com>
3556 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
3557 message in quotes. Otherwise, IBM's make program treats the '#' as the
3558 start of a comment and ignores the remainder of the line.
3560 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
3562 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
3563 * cexp.y (initialize_random_junk): Likewise.
3564 * cppfiles.c (find_include_file): Cast alloca return value.
3565 * cppinit.c (initialize_standard_includes): Likewise.
3566 * cpplib.c (cpp_define, cpp_undef): Likewise.
3567 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
3568 * final.c (output_asm_insn): Allow for holes in EBCDIC.
3569 * fold-const.c (CHARMASK): New.
3570 (real_hex_to_f): Use it.
3571 * real.c (CHARMASK): New.
3572 (etoasc, asctoeg): Use it.
3573 (asctoeg): EBCDIC lower case characters preceed upper case.
3575 * i370.c (mvs_add_label): Change spacing for coding conventions.
3576 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
3577 outputing case vectors.
3578 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
3579 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
3580 since vector in in the data CSECT.
3581 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
3582 * i370.md (Many patterns): Put the length in the XL directives.
3583 (movdi): Put back STM and MVC in definition.
3584 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
3585 pattern using the TCA.
3586 * oe.h (CPP_SPEC): Added to allow trigraphs.
3587 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
3588 not support the "long long" type.
3590 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3592 * config/mips/mips-protos.h (mips_legitimate_address_p): New
3594 (mips_reg_mode_ok_for_base_p): Likewise.
3595 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
3596 (REG_OK_FOR_INDEX_P): Define unconditionally.
3597 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
3598 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
3599 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
3600 that GET_MODE_SIZE is unsigned.
3601 (mips_reg_mode_ok_for_base_p): Define.
3602 (mips_legitimate_address_p): Likewise. Adjust now
3603 that GET_MODE_SIZE is unsigned.
3604 (block_move_loop): Make the number of bytes unsigned.
3605 (expand_block_move): Likewise.
3606 (function_arg): Make the loop counter unsigned to match the
3609 2000-04-16 Richard Henderson <rth@cygnus.com>
3611 * rtl.h (enum insn_note): New enumeration. Subsume
3612 NOTE_INSN_DELETED and friends.
3613 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
3614 * rtl.c (note_insn_name): Tweak string order.
3616 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
3618 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
3621 * cpplex.c (output_line_command): Remove debugging prints.
3622 (cpp_output_tokens): Don't write out a zero-length buffer or
3623 try to see if it has a newline in it.
3624 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
3625 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
3626 the end of the loop. Use memmove. Don't read past the end of
3627 the buffer. Remove trailing newlines from error messages.
3629 2004-04-16 Neil Booth <NeilB@earthling.net>
3631 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
3632 * cpplib.c: Add new syntax flags to directive table, and
3635 2000-04-15 Ulrich Drepper <drepper@redhat.com>
3637 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
3640 2000-04-15 David Edelsohn <edelsohn@gnu.org>
3642 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
3643 * haifa-sched.c: Update -fsched-verbose comments to use "=".
3645 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3647 * Makefile.in (ggc-page.o): Now includes toplev.h.
3648 * ggc-page.c (toplev.h): Now included.
3649 (gc_time): Remove declaration.
3650 (ggc_collect): TIME now long.
3651 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
3653 * toplev.h (gc_time, parse_time, gc_time): New declarations.
3655 * toplev.c: Make *_time variable long to reduce chance of overflow.
3656 (TIMEVAR): Likewise for `otime'.
3657 (print_time): Arg is now long; compute percentage in FP and round.
3658 * toplev.h (print_time): Arg is long.
3660 * tree.c: Minor whitespace changes.
3662 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
3663 * configure: Rebuilt.
3664 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
3665 (__fixunsxfDI): Renamed from __fixunsxfdi.
3666 (__fixunsdfDI): Renamed from __fixunsdfdi.
3667 (__fixunssfDI): Renamed from __fixunssfdi.
3668 (__floatdisf): Use proper type in REP_BIT macro.
3669 (__fixunsxfSI): Renamed from __fixunsxfsi.
3670 (__fixunsdfSI): Renamed from __fixunsdfsi.
3671 (__fixunssfSI): Renamed from __fixunssfsi.
3672 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
3673 Change location of macros and upper-case some names as above.
3674 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
3675 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
3677 * varasm.c (assemble_variable): Add cast to remove warning.
3678 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
3680 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
3681 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
3682 region number to -1.
3684 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
3686 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
3687 call unshare_all_rtl.
3689 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
3691 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
3693 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
3694 Use .s1 not .s0 for all FP instructions.
3696 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
3698 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
3700 (safe_fwrite, output_line_command): New static functions.
3701 (cpp_expand_to_buffer): Now private to cpplib.
3702 (cpp_scan_buffer): Take a printer.
3704 * cpphash.h: Update prototypes.
3705 * cpplib.h: Update prototypes.
3707 (cpp_buffer): Remove last_nominal_fname.
3708 (cpp_reader): Remove lineno.
3710 * cppmain.c: Use a cpp_printer.
3711 * fix-header.c: No need to inhibit line commands. Call
3712 cpp_start_read with no printer.
3714 * cpperror.c (cpp_notice_from_errno): Provide default name.
3715 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
3716 (find_include_file, cpp_read_file): Use make_IHASH.
3717 (file_cleanup): Set control_macro and clear
3718 input_stack_listing_current here.
3719 (_cpp_execute_include): Don't output entering-file marker.
3720 * cpphash.c (special_symbol): Look for the line number in the
3721 buffer, not the reader.
3722 (_cpp_macroexpand): No need to disable line commands.
3723 (_cpp_dump_definition): No need to generate line commands.
3724 (dump_hash_helper): Remove excess newline from output.
3725 * cppinit.c (dump_special_to_buffer): No need to generate line
3727 (cpp_printer_init): New.
3728 (cpp_start_read): Take a printer, and start it up if it's not
3729 NULL. No need to generate line commands.
3730 (cpp_finish): Expect no buffers stacked at all. Take a
3731 printer argument, and flush the output buffer if it's not
3733 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
3734 Don't put two hashes at the beginning of an assertion.
3735 (cpp_get_token): Don't increment pfile->lineno or emit line
3736 commands here. Return EOF if there's no buffer when we get
3738 * cpplib.c (do_define, skip_if_group):
3739 No need to disable line commands.
3740 (_cpp_output_line_command): Delete function.
3741 (do_line): Don't emit line commands here, but set things up so
3742 they will be emitted if necessary. Use _cpp_fake_ihash to
3743 make unique nominal_fnames if necessary.
3744 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
3745 with 0 for column, not -1.
3746 (_cpp_handle_eof): Don't set the control macro here. Don't
3747 clear input_stack_listing_current here. Don't emit line
3750 2000-04-14 Geoff Keating <geoffk@cygnus.com>
3752 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
3753 always, use the default SVR4 start address.
3755 * config/rs6000/linux.h (LINK_SPEC): Don't define.
3756 (LINK_SHLIB_SPEC): Define.
3757 (LINK_START_DEFAULT_SPEC): Define.
3758 (LINK_OS_DEFAULT_SPEC): Define.
3760 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
3762 * config/rs6000/eabi.asm (__eabi): Call __init rather than
3763 __do_global_ctors to handle constructors.
3764 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
3765 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
3766 (STARTFILE_MVME_SPEC): Likewise.
3767 (STARTFILE_SIM_SPEC): Likewise.
3768 (ENDFILE_ADS_SPEC): Use crtend.
3769 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
3770 (ENDFILE_MVME_SPEC): Likewise.
3771 (ENDFILE_SIM_SPEC): Likewise.
3772 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
3773 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
3774 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
3775 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
3776 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
3777 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
3778 (CRTSTUFF_T_CFLAGS_S): Define.
3779 * config/rs6000/eabi-ctors.c: Delete.
3781 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
3784 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
3788 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
3790 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
3791 plus mask size is smaller or equal to the mode size.
3793 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3795 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
3798 * expr.c (reload.h): Now included.
3799 (emit_block_move): Set volatile_ok when checking for movstr.
3800 (emit_move_1): Check for replacements in addresses in multi-word case.
3801 * Makefile.in (expr.o): Now includes reload.h.
3803 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
3804 Never have a LIBCALL end a basic block.
3805 (find_basic_blocks_1): Likewise.
3806 Reorganize CALL_INSN cases.
3808 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
3810 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
3812 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
3813 completers from mov.ret instruction.
3815 2000-04-14 Richard Henderson <rth@cygnus.com>
3817 * fold-const.c (extract_muldiv): Don't distribute and widen
3818 multiply across plus for non-sizetype unsigned types.
3820 2000-04-14 Richard Henderson <rth@cygnus.com>
3822 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
3823 If the original source is dead in the incr insn, it's dead now.
3825 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3827 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
3828 see if DECL_BIT_FIELD needs to still be set.
3830 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
3832 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
3833 print_int_cst_octal with something that's not an INTEGER_CST.
3835 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
3836 and not a SUBREG to a FLOAT rtl.
3838 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
3840 * emit-rtl.c (try_split): Avoid infinite loop if the split
3841 results in a sequence that contains the original insn.
3843 2000-04-13 Andreas Jaeger <aj@suse.de>
3845 * config/mips/mips.c (expand_block_move): Pass alignment
3846 argument to move_by_pieces in bits, not bytes.
3848 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
3849 __pic__ for little endian.
3851 2000-04-13 Andreas Jaeger <aj@suse.de>
3853 * config/i386/i386-protos.h: Add prototype for
3854 uno_comparison_operator.
3856 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3858 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
3859 * calls.c (ECF_PURE): New flag.
3860 (emit_call_1): Handle ECF_PURE calls.
3861 (initialize_argument_information): Unset ECF_PURE flag too.
3862 (precompute_arguments): Precompute for ECF_PURE too.
3863 (expand_call): Handle ECF_PURE calls too.
3864 (emit_library_call_value_1): Rename no_queue argument to fn_type,
3865 accept value of 2 as pure function.
3866 (emit_library_call_value, emit_library_call): Rename no_queue argument
3868 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
3870 * tree.h (DECL_IS_PURE): New macro.
3871 (struct tree_decl): Add pure_flag.
3872 * c-common.c (enum attrs): Add attribute "pure".
3873 (init_attributes): Initialize attribute "pure"
3874 (decl_attributes): Handle attribute "pure".
3875 * extend.texi (Attribute "pure"): Document.
3876 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
3878 (flags_from_decl_or_type): Support attribute "pure".
3880 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
3882 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
3883 the token except for numbers and identifiers.
3885 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
3887 * i386.c (ix86_expand_binary_operator,
3888 ix86_expand_unary_operator): Check no_new_pseudos
3889 instead of reload_in_progress and reload_completed.
3890 (ix86_split_ashldi, ix86_split_ashrdi,
3891 ix86_split_lshrdi): Check no_new_pseudos instead
3892 of reload_completed.
3894 2000-04-12 Jeffrey A Law (law@cygnus.com)
3896 * function.c (purge_addressof): Unshare any shared rtl created by
3897 purge_addressof and its children.
3899 2000-04-12 Mark Mitchell <mark@codesourcery.com>
3901 * function.c (aggregate_value_p): VOID_TYPE nodes are never
3904 2000-04-05 Andreas Jaeger <aj@suse.de>
3906 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
3907 not compiling PIC code, add flags for mabi=64.
3908 (SUBTARGET_CPP_SIZE_SPEC): New.
3909 (SUBTARGET_CPP_SPEC): New.
3910 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
3911 for MIPS/Linux and lots of code needs these defines.
3913 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
3915 * reorg.c (fill_slots_from_thread): Check side_effects_p when
3916 trying the "opposite arithmetic" approach.
3918 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3920 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
3921 (struct sh_args): Add new field force_mem.
3922 (INIT_CUMULATIVE_ARGS): Initialize it.
3923 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
3925 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3927 * calls.c (expand_call): Do not reverse args in "equal from" field.
3928 (emit_library_call_value_1): Emit_libcall_block for const and pure
3931 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3933 * reload1.c (reload_combine): Don't enable optimization for fixed
3934 registers when encountering a BARRIER.
3936 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3938 * builtins.c (expand_builtin_memcmp): Do expansion even with
3939 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
3941 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
3942 stack is propertly aligned; add sanity checking for aligned
3944 (expand_library_call_value_1): Add sanity checking for aligned
3947 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
3949 * calls.c (emit_library_call_value_1): Change 3rd arg to
3950 locate_and_pad_parm to disregard the setting of partial.
3952 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3954 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
3956 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
3957 CALL_INSN from the normal case.
3959 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
3961 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3962 New global variables.
3963 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
3965 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3967 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
3968 TARGET_ADD_ESP_8): New macros.
3969 * i386.md: Add peep2s to convert esp adjustments to push and pop
3971 (pushsi_prologue, popsi_epilogue): New patterns.
3973 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3975 * real.c (toe64): Remove stale #endif from the last change.
3977 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
3979 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
3980 * real.c (toe64): Revert previous change.
3982 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3984 * objc/objc-act.c: Include ggc.h.
3985 (objc_tree_index, objc_global_trees): Convert most of the
3986 static tree variables into a static array with previous names
3988 (objc_ellipsis_node): New variable.
3989 (lang_init): Call objc_act_parse_init and c_parse_init.
3990 Create objc_ellipsis_node.
3991 (build_selector_translation_table): Use objc_ellipsis_node instead
3993 (hack_method_prototype): Likewise.
3994 (get_arg_type_list): Likewise.
3995 (start_method_def): Likewise.
3996 (continue_method_def): Likewise.
3997 (gen_method_decl): Likewise.
3998 (ggc_mark_imp_list): New function.
3999 (ggc_mark_hash_table): New function.
4000 (objc_act_parse_init): New function.
4001 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4002 * c-parse.in (c_parse_init): For objc add roots of objc specific
4003 local tree variables.
4004 * objc/objc-parse.y: Rebuilt.
4005 * objc/objc-parse.c: Rebuilt.
4006 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4008 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4010 * cse.c (delete_trivially_dead_insns): Also delete insns
4011 that copy a register to itself where the destination is
4014 2000-04-11 Richard Henderson <rth@cygnus.com>
4016 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4017 (propagate_block): Initialize them. Use them in parallel instead
4018 of one tmp variable, ie revert much of the 0408 and 0407 functional
4019 changes, but keep the structural changes.
4020 (mark_set_regs): Take new_dead from propagate_block_info instead.
4021 (mark_set_1, mark_set_reg): Likewise.
4022 (mark_used_regs): Likewise with new_live.
4023 (mark_used_reg): Likewise. Revert 0408 change.
4025 2000-04-11 Nick Clifton <nickc@cygnus.com>
4027 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
4029 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
4031 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4033 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
4034 const section to output a CONSTRUCTOR based on the same conditions
4037 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
4039 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
4040 * pa/pa-protos.h (output_call): Add additional argument indicating
4041 if the call is a sibling/tail call.
4042 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
4043 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
4044 (function_arg, function_arg_partial_nregs): Likewise
4045 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
4046 (emit_move_sequence): Zero extend certain constants as needed
4048 (compute_zdepdi_operands, output_64bit_and): New functions.
4049 (output_64bit_ior, function_arg): Likewise.
4050 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
4051 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
4052 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
4053 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
4054 (output_bvb): Likewise.
4055 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
4056 (output_call): New argument 'sibcall'. Generate sibcall sequences
4058 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
4059 (ouput_arg_descriptor): Do not emit argument descriptors for
4061 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
4063 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
4064 (FUNCTION_OK_FOR_SIBALL): Define.
4065 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
4066 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
4067 (CPP_SPEC): Use new spec infrastructure.
4068 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
4069 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
4070 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
4071 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
4072 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
4073 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
4074 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
4075 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
4076 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
4077 (FUNCTION_ARG); Call out to C code.
4078 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
4079 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
4080 (MIN_UNITS_PER_WORD): Likewise.
4081 * pa/pa.md (cmpdi): New expander.
4082 (scc patterns, movstrsi): Not available for TARGET_64BIT.
4083 (64bit conditional arithmetic): New patterns.
4084 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
4085 (movsicc): Not available if modes on all the operands to not match.
4086 (movdicc): New expander and associated patterns.
4087 (64bit branches): New patterns.
4088 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
4089 (pre_ldd, post_std): New patterns.
4090 (64bit addil, load low part): New patterns.
4091 (special movsf constant): Not available for TARGET_64BIT.
4092 (movsf, movdf expanders): Force constants into memory.
4093 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
4094 (64bit movdf/movdi patterns): New patterns.
4095 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
4097 (extendqidi2, extendhidi2, extendsidi2): Similarly.
4098 (adddi3 expander): Allow "arith_operand" for second input.
4099 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
4100 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
4101 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
4102 (muldi3): New expander for TARGET_64BIT.
4103 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
4105 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
4106 patterns for TARGET_64BIT.
4107 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
4108 patterns for TARGET_64BIT.
4109 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
4110 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
4111 (sibcall_epilogue): New expander.
4112 (casesi): Tweak for TARGET_64BIT.
4113 (call expanders): Set & use the outgoing argument pointer. Use the
4114 64bit call patterns as needed. Add additional arg to output_call.
4115 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
4116 (sibcall, sibcall_internal_symref): New expanders.
4117 (sibcall_value, sibcall_value_internal_symref
4118 (interspace_jump): Turn into an expander + matching patterns.
4119 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
4120 * pa/pa64-regs.h: Eliminate trigraph sequences.
4121 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
4123 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
4125 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
4126 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
4127 cpp_token with cpp_ttype everywhere.
4128 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
4129 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
4130 CPP_BUF_COL. Line and column numbers are unsigned int, not
4132 * cpplex.c (cpp_buf_line_and_col): Delete.
4133 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
4134 'long lineno' to 'unsigned int lineno'.
4135 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
4137 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4139 * extend.texi: ISO C99 is not a draft anymore.
4140 * invoke.texi: ISO C++ is not a draft anymore.
4141 * cpp.texi: __cplusplus is required by the ISO standard.
4143 * extend.texi (-fthis-is-variable): Undocument.
4144 * flags.h (warn_template_debugging): Remove declaration.
4145 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
4146 -Wenum-clash, -Wtemplate-debugging): Undocument.
4148 2000-04-10 Nick Clifton <nickc@cygnus.com>
4150 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
4152 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
4154 (ARM_SIGN_EXTEND): Use HOST_UINT.
4155 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
4156 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
4157 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
4158 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
4160 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
4161 (arm_gen_constant): Use HOST_UINT.
4162 (arm_canonicalize_constant): Use HOST_UINT.
4163 (arm_reload_in_hi): Use HOST_UINT.
4164 (arm_reload_out_hi): Use HOST_UINT.
4165 (output_multi_immediate): Use HOST_UINT.
4166 (int_log2): Use HOST_UINT.
4167 (arm_poke_function_name): Use HOST_UINT.
4168 (arm_output_epilogue): Use arm_volatile_func().
4169 (output_thumb_prologue): Use arm_strip_name_encoding().
4171 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4173 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
4174 of sequence point problems.
4176 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
4178 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
4180 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
4182 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4184 * sbitmap.h: Whitespace changes and use upper-case macro args.
4185 (struct simple_bitmap_def): All sizes now unsigned.
4186 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
4187 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
4188 (sbitmap_vector_alloc): Parms and local vars now unsigned.
4189 (sbitmap_zero): Cast bzero arg to PTR.
4190 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
4191 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
4192 loop to make structure clearer.
4193 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
4194 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
4195 (sbitmap_a_and_b_or_c): Likewise.
4196 (sbitmap_intersection_of_succs): Minor cleanups.
4197 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
4198 (sbitmap_union_of_preds): Likewise.
4199 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
4200 (debug_sbitmap): New function.
4202 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
4203 * c-typeck.c (convert_for_assignment): Likewise.
4205 * expmed.c (init_expmed): Don't free objects we make.
4206 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
4208 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
4209 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
4211 * gcse.c (expr_hash_table_size): Now unsigned.
4212 (compute_ae_gen): Local variable `i' now unsigned.
4213 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
4214 (compute_transout, hoist_code): Likewise.
4215 (compute_local_properties): Likewise, also hash_table_size.
4216 (alloc_expr_hash_table): N_INSNS now unsigned.
4217 (delete_null_pointer_checks): Mark arg F as unused.
4219 * regrename.c: Minor cleanups, including chang some variables
4222 2000-04-10 Neil Booth <NeilB@earthling.net>
4224 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
4226 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
4228 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4230 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
4231 __classof__, and __headof__ from the list of gnu keywords.
4232 (-ansi): Remove -foperator-names from list of implied options.
4233 Do not call it ANSI C++.
4234 (-foperator-names): Document as -fno-operator-names.
4236 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
4238 * cpphash.c (timestamp): Delete.
4239 (del_HASHNODE): If type is T_MCONST, free value.cpval.
4240 (special_symbol): Remove unnecessary braces. Remove
4241 T_VERSION. Treat T_STDC like T_CONST unless
4242 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
4243 when one is encountered, then convert them into T_MCONST
4245 * cppinit.c (builtin_array): version_string is T_MCONST.
4246 __STDC__ has a "1" in its cpval. Don't have a terminator
4247 entry. Clean up which entries are dumped.
4248 (initialize_builtins): Only __STDC__ gets the special
4249 -traditional treatment. Count the length of builtin_array.
4250 Render version_string here.
4251 * cpphash.h: Remove T_VERSION. Add T_MCONST.
4252 * cpplib.h (struct cpp_reader): Remove timebuf.
4254 2000-04-09 Richard Henderson <rth@cygnus.com>
4256 * genrecog.c (pred): Update comparison_operator for the unordered
4259 * config/i386/i386.c (no_comparison_operator): Disallow unordered
4261 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
4262 (uno_comparison_operator): New.
4263 (put_condition_code): Handle UNORDERED/ORDERED.
4264 (unsigned_comparison): Likewise.
4265 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
4266 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
4267 (ix86_expand_fp_compare): Use them. Take scratch as argument,
4268 update all callers. Handle all 8 unordered operators.
4269 (ix86_expand_setcc): Lose the unordered argument, update all callers.
4270 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
4271 * config/i386/i386.h (PREDICATE_CODES): Update.
4272 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
4273 (ix86_expand_branch, ix86_expand_setcc): Update.
4274 * config/i386/i386.md (sunordered, sordered): New.
4275 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
4276 (bunordered, bordered): New.
4277 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
4278 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
4279 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
4281 2000-04-09 Philip Blundell <philb@gnu.org>
4283 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
4285 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
4287 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
4288 fix_truncxfhi2): New patterns.
4289 * i386.c (output_fix_trunc): Handle converting to HImode.
4291 2000-04-08 Alex Samuel <samuel@codesourcery.com>
4293 * ssa.c (convert_to_ssa): Eliminate dead code when calling
4295 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
4296 (for_each_successor_phi): Change parameter to basic_block.
4297 (coalesce_regs_in_successor_phi_nodes): Likewise.
4298 (coalesce_regs_in_copies): Likewise.
4299 (compute_coalesced_reg_partition): Use basic_block instead of index.
4300 * rtl.h (convert_to_ssa): Delete.
4301 (convert_from_ssa): Likewise.
4302 (successor_phi_fn): Likewise.
4303 (for_each_successor_phi): Likewise.
4304 (in_ssa_form): Likewise.
4305 * basic-block.h (convert_to_ssa): Moved from rtl.h.
4306 (convert_from_ssa): Likewise.
4307 (successor_phi_fn): Likewise.
4308 (in_ssa_form): Likewise.
4309 (for_each_successor_phi): Likewise. Change parameter to basic_block.
4310 * flow.c (calculate_global_regs_live): Pass a basic_block to
4311 for_each_successor_phi.
4313 2000-04-08 Richard Henderson <rth@cygnus.com>
4315 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
4316 was modified in the current insn.
4318 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4320 * arm/thumb.md: Delete.
4321 * arm/thumb-protos.h: Delete.
4323 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4325 Merge changes from merged-arm-thumb-backend-branch onto trunk.
4327 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4329 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
4332 * arm.md (nop): Use the standard RTL expression. Don't code as a
4334 (*arm_nop, *thumb_nop): Delete.
4336 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
4337 constants. Use casts instead.
4338 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
4339 output_multi_immediate, arm_poke_function_name): Likewise.
4340 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
4341 MASK_RETURN_ADDDR): Likewise.
4343 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
4345 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
4348 * arm.md (eh_epilogue): New function.
4349 * arm.h (struct machine_function): Move to here ...
4350 * arm.c: ... from here.
4351 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
4352 (thumb_exit): Extra parameter eh_ofs. All callers changed.
4353 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
4355 2000-03-30 Nick Clifton <nickc@cygnus.com>
4357 * config/arm/semi.h (ASM_SPEC): Restore definition.
4358 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4360 * config/arm/elf.h (ASM_SPEC): Restore definition.
4361 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4363 * config/arm/arm.h (ASM_SPEC): Remove definition.
4364 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
4366 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4368 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
4370 2000-03-24 Nick Clifton <nickc@cygnus.com>
4372 Various formating tidyups, elimination of compile time
4373 warnings and synchronisation with internal sources:
4375 * config/arm/arm-protos.h (assemble_align): Add prototype.
4376 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4377 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4378 (arm_return_addr_rtx): Rename to arm_return_addr.
4380 * config/arm/arm.c: Include except.h.
4381 Define shorter typenames for strict minipool_node and struct
4383 (arm_return_in_memory): For WinCE return all structures <= 32 bits
4385 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4386 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4388 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4390 (ASM_SPEC): Define if not already defined.
4391 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
4393 * config/arm/arm.md: Rename references to gen_rotated_half_load to
4394 arm_gen_rotated_half_load, and references to gen_comapre_reg to
4395 arm_gen_compare_reg.
4396 (indirect_jump): Only accept register operands.
4397 (load_indirect_jump): Keep this pattern since combine can generate
4400 * config/arm/coff.h: Include aout.h.
4401 (MULTILIB_DEFAULTS): Only define if not already defined.
4403 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
4404 into arm.h (so that COFF ports can support thumb based aliases).
4405 (ASM_SPEC): Move definition into arm.h
4407 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
4408 redundant apcs spec.
4409 (ASM_SPEC): Move definition to arm.h
4411 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
4413 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
4414 for entries in the .bss section
4416 2000-03-23 Nick Clifton <nickc@cygnus.com>
4418 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
4419 to thumb_far_jump_used_p.
4421 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
4422 single integer parameter.
4424 * config/arm/arm.c (struct machine_function): Add two new
4425 fields, 'far_jump_used' and 'arg_pointer_live'.
4426 (thumb_far_jump_used_p): Once the decision has been made that
4427 far jumps might be used, always return true.
4428 If being called from the initial elimination offset macro then
4429 do not bother to perform the test if the arg pointer is not
4431 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
4432 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
4434 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
4436 * arm.c (output_return_instruction): Handle more cases where we can
4437 return from a function with an ldr instruction.
4438 (arm_output_epilogue): Likewise.
4440 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
4441 if we need to push a large stack frame and there are no callee-saved
4444 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
4445 in ARM code if the frame pointer has been eliminated.
4447 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
4448 unspec_volatile arguments to avoid duplicates.
4449 (consttable_1, consttable_2): Fixes for big-endian mode.
4451 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
4454 Re-write constant pool code.
4455 * arm.c (minipool_node, minipool_fix): New types.
4456 (minifix): Delete type.
4457 (arm_add_minipool_constant): Delete.
4458 (arm_compute_minipool_offsets, arm_find_barrier,
4459 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
4460 (get_jump_table_size): Now returns HOST_WIDE_INT.
4461 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
4463 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
4464 (assign_minipool_offsets, arm_print_value): Likewise.
4465 (dump_minipool): Rewrite.
4466 (arm_barrier_cost): New function.
4467 (create_fix_barrier): New function.
4468 (push_minipool_barrier): New function.
4469 (push_minipool_fix): Record additional information about the fixup
4471 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
4472 check the mode of what needs fixing.
4473 (arm_reorg): Rewrite.
4475 2000-03-08 Nick Clifton <nickc@cygnus.com>
4477 * config/arm/arm.md (indirect_jump): Force constant addresses into
4480 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
4482 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
4484 2000-02-24 Nick Clifton <nickc@cygnus.com>
4486 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
4487 adjust is word aligned.
4488 (thumb_expand_epilogue): Make sure that stack adjust is word
4491 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
4493 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
4495 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
4496 pointer relative addresses.
4498 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
4500 * arm.c (find_barrier): Find the last barrier within the allowed
4503 2000-02-09 Nick Clifton <nickc@cygnus.com>
4505 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
4507 2000-02-09 Nick Clifton <nickc@cygnus.com>
4509 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
4510 ARM_FUNCTION_PROFILER.
4512 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
4513 ARM_FUNCTION_PROFILER.
4515 * config/arm/linux-oldld.h: Imported from mainline sources.
4517 2000-02-07 Nick Clifton <nickc@cygnus.com>
4519 * config/arm/lib1funcs.asm: Merge in thumb functions from
4522 * config/arm/lib1thumb.asm: Delete.
4524 2000-02-04 Nick Clifton <nickc@cygnus.com>
4526 * config/arm/arm.c: Sychronised with current Red hat local
4528 * config/arm/arm.h: Ditto.
4529 * config/arm/arm-protos.h: Ditto.
4531 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
4533 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
4535 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
4538 2000-02-02 Nick Clifton <nickc@cygnus.com>
4540 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
4542 * config/arm/arm.md (epilogue): Fix rtl checking abort because
4543 (return) was emited using an emit_insn() call.
4545 2000-01-31 Nick Clifton <nickc@cygnus.com>
4547 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
4549 (thumb_exit): Move frame pointer back into hard frame pointer
4550 register if backtracing is being used.
4552 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
4554 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
4557 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
4559 * config/arm/arm.md (neg_pool_offset): Provide default for new
4561 (arm_movsi_insn): Add neg_pool_offset attribute.
4562 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
4563 rtx for the insn that starts the scan and an unsigned long for its
4564 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
4565 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
4566 instructions in *PINSERTED.
4567 (struct minipool_fixup): Add MIN_ADDRESS elt.
4568 (sort_fixups): Compute it.
4569 (arm_reorg): Changes to support inserting pools before the insn to be
4572 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4574 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
4575 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
4576 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
4578 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
4580 * config/arm/semi.h (TARGET_VERSION): Do not define if already
4582 (TARGET_DEFAULT): Do not define if already defined.
4584 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
4586 * config/arm/arm.md (anddi3): Allow disjoint source operands.
4587 (iordi3): Allow disjoint source operands.
4588 (xordi3): Allow disjoint source operands.
4589 (negdi2): Permit construction for ARM and Thumb.
4590 (arm_negdi2): Renamed version of old negdi2 pattern.
4591 (thumb_negdi2): New pattern: Only permit non-overlapping
4592 source and destination.
4594 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
4596 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
4597 scratch low register so that it will not be deleted.
4599 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
4601 * config/arm/pe.h (ARM_PE): Define.
4603 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
4604 interfacearm attribute if this is a PE toolchain.
4605 (output_return_instruction): Do not emit anything if the function
4606 has the naked attribute set.
4607 (is_called_in_ARM_mode): If the function has the interfacearm
4608 attribute then return true.
4609 (thumb_expand_prologue): Do not generate a prologue for naked
4611 (thumb_expand_epilogue): Do not generate an epilogie for a naked
4613 (output_thumb_prologue): Do not bother if the function is naked.
4614 Strip PE encoding from function name before emitting.
4616 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
4618 * arm.md (pic_load_addr): Fix constraints.
4620 * arm.md (casesi_insn): Fix mis-applied patch.
4622 * arm.md ("core" function unit): Add rules for single- and
4624 (All TARGET_THUMB patterns): Add "type" attribute information
4626 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
4627 the following insn is a CALL.
4629 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
4631 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
4632 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
4633 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
4635 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
4637 * config/arm/linux-gas.h: oops - this file was missed out when the
4638 branch was created...
4640 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
4642 * thumb.c: Deleted. Move contents to ...
4644 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
4646 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
4649 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
4650 declare a prototype for asm_output_align();
4652 * arm.c (thumb_condition_code): Delete.
4653 (arm_print_operand): Always use arm_condition_code array.
4655 * arm.c (thumb_return_addr_rtx): Delete.
4656 (arm_save_machine_status, arm_restore_machine_status): Delete.
4657 (arm_init_machine_status, arm_mark_machine_status): New functions.
4658 (arm_init_expanders): Update accordingly.
4659 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
4660 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
4661 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
4663 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
4665 * configure.in : Fix arm-*-aout target to use new t-arm-aout
4667 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
4670 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
4672 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
4673 stack backtrace structure.
4675 * config/arm/arm-protos.h: Add prototypes for functions defined in
4678 * config/arm/arm.c (arm_override_options): Fix selection of
4679 attributes of default processor.
4681 * config/arm/coff.h: Delete needless #include.
4683 * config/arm/pe.c: Delete unused code.
4685 * config/arm/pe.h (CPP_DEFINES): Delete
4686 (SUBTARGET_CPP_SPEC): Define.
4687 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
4689 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
4691 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
4693 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
4695 (CAN_DEBUG_WITHOUT_FP): Define.
4696 (FIXED_REGISTERS): Make r11 call-saved.
4697 (CALL_USED_REGISTERS): Likewise.
4698 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
4699 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
4700 frame-pointer is required.
4701 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
4702 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
4703 if the target normally needs a stack frame in non-leaf functions.
4704 (use_return_insn): Correct logic for determining when a return
4705 instruction can be used.
4706 (output_return_instruction): Handle the frame-pointer register as
4707 a normal register when not TARGET_APCS_FRAME.
4708 (arm_output_prologue): Likewise.
4709 (arm_output_epilogue): Likewise.
4710 (output_func_epilogue): Likewise.
4711 (arm_expand_prologue): Likewise.
4712 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
4714 * arm.c (use_return_insn): No need to check floating point regs if
4716 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
4717 the code of value stored in the minipool array.
4718 (arm_add_minipool_constant): Likewise.
4720 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4722 * basic-block.h (conflict_graph_enum_fn): K&R fix.
4724 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4726 * tree.c (tree_expr_nonnegative_p): New function.
4728 * tree.h (tree_expr_nonnegative_p): Declare.
4730 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
4731 elide some sign_compare warnings.
4732 (build_conditional_expr): Likewise.
4734 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
4736 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
4738 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
4739 * i386.c (print_operand): Use the proper suffix for a 387 HImode
4740 operand. Abort if a 387 operand has an unsupported size.
4742 2000-04-08 Neil Booth <NeilB@earthling.net>
4744 * cppexp.c (parse_charconst): Null does not end character
4746 * cppinit.c (ISTABLE): Null character handled as whitespace.
4747 * cpplex.c (null_warning): new function.
4748 (skip_string): Emit warning if nulls encountered.
4749 (_cpp_skip_hspace): Emit warning if nulls encountered.
4750 (_cpp_lex_token): Emit warning if nulls encountered. Drop
4754 2000-04-07 Richard Henderson <rth@cygnus.com>
4756 * flow.c (loop_depth): Remove.
4757 (reg_next_use, cc0_live, mem_set_list): Replace with ...
4758 (struct propagate_block_info): New.
4759 (life_analysis): Don't allocate reg_next_use.
4760 (propagate_block_delete_insn): Break out of propagate_block.
4761 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
4762 (propagate_block_delete_libcall): Likewise.
4763 (propagate_block): Create a propagate_block_info struct to pass
4764 to subroutines. Allocate one not two temporary regsets. Don't
4765 clobber memory for const calls. Look for clobbers in
4766 CALL_INSN_FUNCTION_USAGE.
4767 (mark_set_regs): Recognize COND_EXEC.
4768 (mark_set_reg): Break out of mark_set_1.
4769 (mark_used_reg): Break out of mark_used_regs.
4770 (mark_used_regs): Recognize COND_EXEC.
4771 (insn_dead_p): Use propagate_block_info struct.
4772 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
4773 (find_auto_inc, try_pre_increment_1): Likewise.
4774 (print_rtl_with_bb): Dump regs live at end too.
4775 (count_reg_sets_1): Pass in loop_depth.
4776 (count_reg_sets, count_reg_references): Likewise.
4777 (recompute_reg_usage): Provide it.
4779 2000-04-07 Richard Henderson <rth@cygnus.com>
4781 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
4784 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
4786 * cpplib.c (do_elif): Skip the rest of the line if we're
4787 not going to bother evaluating it.
4788 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
4789 to avoid pointless calls to the lexer.
4791 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
4793 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
4795 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
4797 * calls.c (expand_call): emit_queue if we're trying a sibcall.
4799 2000-04-07 Jakub Jelinek <jakub@redhat.com>
4801 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
4803 2000-04-06 Geoff Keating <geoffk@cygnus.com>
4805 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
4806 crtend so they can be multilibbed.
4807 (STAGESTUFF): Remove s-crt and s-crtS.
4809 2000-04-07 Richard Henderson <rth@cygnus.com>
4811 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
4812 if we discover we need a pseudo and no_new_pseudos is true.
4813 * config/alpha/alpha.md (ne:DI insn): New.
4814 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
4816 2000-04-07 Richard Henderson <rth@cygnus.com>
4818 * rtl.def (COND_EXEC): New.
4819 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
4820 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
4822 * genconfig.c (have_cond_arith_flag): Remove.
4823 (have_cond_exec_flag): New.
4824 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
4825 (main): Print HAVE_conditional_execution.
4827 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
4828 (sched_analyze_insn, print_pattern): Likewise.
4829 * reload.c (find_equiv_reg): Likewise.
4830 * rtlanal.c (reg_referenced_p): Likewise.
4831 (note_stores, dead_or_set_regno_p): Likewise.
4832 (reg_overlap_mentioned_p): Rewrite to use a switch.
4834 * ggc.h (struct rtx_def): Forward declare.
4836 * print-rtl.c (debug_rtx_range): New.
4837 * rtl.h (debug_rtx_range): Declare.
4839 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
4841 * gcse.c (gcse_main): Don't rebuild the CFG here.
4842 (delete_null_pointer_checks): Likewise.
4843 * ssa.c (convert_to_ssa): Likewise.
4844 * toplev.c (rest_of_compilation): Do it here instead. Combine
4845 sequential calls to TIMEVAR. Consistently use `insns' instead of
4846 `get_insns()'. Always split insns after reload when optimizing.
4848 * basic-block.h (merge_blocks_nomove): Declare.
4849 (tidy_fallthru_edge): Declare.
4850 * flow.c (merge_blocks_nomove): Document as merging into previous
4851 blocks. Remove cruft from between blocks; remove all edges out of A.
4852 (tidy_fallthru_edge): Export.
4854 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4856 * ssa.c (compute_conservative_reg_partition): Declare with
4858 * toplev.c (clean_dump_file): Remove previously-deleted function
4859 inadvertantly merged back in.
4860 * conflict.c (conflict_graph_add): Use a single call to
4861 htab_find_slot to look up and insert.
4863 2000-04-06 Richard Henderson <rth@cygnus.com>
4865 * genrecog.c (*): Rename _last_insn to last_insn.
4866 (make_insn_sequence): Set the position of the peephole2 C test
4867 to be at the last insn.
4869 2000-04-06 Richard Henderson <rth@cygnus.com>
4871 * flow.c (compute_flow_dominators): Free worklist.
4873 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
4875 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
4877 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4879 * rtl.h (INSN_P): New macro.
4880 (successor_phi_fn): New typedef.
4881 (for_each_successor_phi): New prototype.
4882 (in_ssa_form): New variable.
4883 (PHI_NODE_P): Likewise.
4884 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
4885 phi nodes in successors.
4886 (mark_used_regs): Add PHI case.
4887 (set_phi_alternative_reg): New function.
4888 (life_analysis): Assert that dead code elimination is not selected
4890 * toplev.c (to_ssa_time): New variable.
4891 (from_ssa_time): Likewise.
4892 (compile_file): Zero to_ssa_time and from_ssa_time.
4893 Print time to convert to and from SSA.
4894 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
4895 (print_time): Compute percent fraction as integer.
4896 * ssa.c (PHI_NODE_P): Moved to rtl.h.
4897 (convert_to_ssa): Check if we're already in SSA.
4898 Don't eliminate dead code in life_analysis.
4899 Rerun flow and life analysis at bottom.
4900 (eliminate_phi): Use canonical regnos when adding nodes.
4901 (mark_reg_in_phi): New function.
4902 (mark_phi_and_copy_regs): Likewise.
4903 (convert_from_ssa): Rerun life analysis at top.
4904 Use coalesced partition.
4905 Check for removing a phi node at the end of the block.
4906 (compute_coalesced_reg_partition): New function.
4907 (coalesce_regs_in_copies): Likewise.
4908 (coalesce_reg_in_phi): Likewise.
4909 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
4910 (for_each_successor_phi): Likewise.
4911 (rename_context): New struct.
4912 (rename_block): Use a rename_context with rename_insn_1. When
4913 renaming sets of a subreg, emit a copy of the entire reg first.
4914 (rename_insn_1): Treat data as a rename_context *. Save current
4916 (rename_set_data): Add field set_insn.
4917 * Makefile.in (HASHTAB_H): Move up in file.
4918 (OBSTACK_H): New macro.
4919 (collect2.o): Use OBSTACK_H in dependencies.
4920 (sdbout.o): Likewise.
4921 (emit-rtl.o): Likewise.
4922 (simplify-rtx.o): Likewise.
4923 (fix-header.o): Likewise.
4924 (OBJS): Add conflict.o.
4925 (conflict.o): New rule.
4926 * basic-block.h: Include partition.h.
4927 (conflict_graph): New typedef.
4928 (conflict_graph_enum_fn): Likewise.
4929 (conflict_graph_new): New prototype.
4930 (conflict_graph_delete): Likewise.
4931 (conflict_graph_add): Likewise.
4932 (conflict_graph_conflict_p): Likewise.
4933 (conflict_graph_enum): Likewise.
4934 (conflict_graph_merge_regs): Likewise.
4935 (conflict_graph_print): Likewise.
4936 (conflict_graph_compute): Likewise.
4937 * conflict.c: New file.
4939 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
4941 * tlink.c (read_repo_files): Don't look for .rpo info for
4944 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4946 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
4948 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4950 * config/sh/lib1funcs.asm (___udivsi3_i4):
4951 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
4952 only depends on FMOVD_WORKS.
4954 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4956 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
4957 make double constant 8-byte aligned.
4959 2000-04-06 Jakub Jelinek <jakub@redhat.com>
4961 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
4962 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
4963 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
4964 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
4965 Accept storing GENERAL_REGS into offsetable memory.
4966 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
4967 building a TFmode constant other than 0.0L into GENERAL_REGS.
4969 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
4971 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
4973 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
4975 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
4976 (macro_cleanup): No need to cast pbuf->macro.
4977 (collect_expansion): Use _cpp_get_define_token. Goto done if
4978 it returns VSPACE. Remove check for trailing space after
4980 (_cpp_create_definition): Don't diddle flags here. Return
4982 (unsafe_chars): Handle c1 being EOF.
4983 (push_macro_expansion): Use unsafe_chars for both accidental-paste
4984 checks. Don't push the buffer till after we're done with
4986 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
4987 (PEEKN, FORWARD, GETC, PEEKC): Use them.
4988 (cpp_push_buffer): Don't set new->alimit. Set new->mark
4990 (_cpp_parse_assertion): Don't NUL terminate.
4991 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
4992 hspace before calling _cpp_parse_assertion. Remove all sets
4993 of only_seen_white. Treat '\f' as hspace. Don't do anything
4994 special with '\n' here.
4995 (maybe_macroexpand): Handle T_EMPTY hash entries without
4996 pushing a buffer at all.
4997 (cpp_get_token): Handle clearing only_seen_white here. Handle
4998 incrementing the line number here. Clear
4999 potential_control_macro as well as only_seen_white, if
5001 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5002 (_cpp_get_define_token): New function, basically like
5003 _cpp_get_directive_token was but doesn't eat horizontal space.
5004 Don't do anything with only_seen_white here.
5005 (_cpp_get_directive_token): Just call _cpp_get_define_token
5006 repeatedly till it returns non-hspace.
5008 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5009 (conditional_skip, skip_if_group): Return int.
5010 (DIRECTIVE_TABLE): Change origin of all conditional directives
5012 (TRAD_DIRECT_P): New macro.
5013 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5014 an error for a bogus directive, unless -lang-asm. Use
5015 TRAD_DIRECT_P. Loop calling handler functions till one returns
5017 (get_macro_name): Don't diddle flags here.
5018 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5019 Create T_EMPTY nodes for #define macro /* nothing */.
5020 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
5021 Use hp->name when calling pass_thru_directive.
5022 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
5023 Return the result of conditional_skip and/or skip_if_group.
5024 Don't call _cpp_output_line_command.
5025 (consider_directive_while_skipping): Use _cpp_get_directive_token.
5026 Issue -Wtraditional warnings as appropriate. Don't complain
5027 about unrecognized directives. If we are to stop skipping,
5028 return the number of the directive that ended the skip.
5029 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
5030 expansion and line commands while skipping. Return the result
5031 of consider_directive_while_skipping, if nonzero.
5032 (do_endif): Just set potential_control_macro here.
5033 (validate_else): Use _cpp_get_directive_token.
5034 (do_assert, do_unassert): Don't save pointers into the
5035 token_buffer across calls to the lexer. Use
5036 _cpp_get_directive_token.
5038 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
5039 pointer, not an offset. Replace 'data', which was a generic
5040 pointer, with 'macro', which points to a struct hashnode.
5041 (cpp_reader): Add 'potential_control_macro' pointer.
5042 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
5043 (CPP_BUF_GET, CPP_FORWARD): Delete.
5044 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
5045 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
5046 ACTIVE_MARK_P): Update.
5047 (_cpp_get_define_token): New internal function.
5048 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
5050 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
5052 * configure.in: And here.
5053 * configure: Regenerate.
5054 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
5055 --enable-libstdcxx-v3 is passed at configure time.
5056 * config.h.in: Regenerate.
5058 2000-04-05 Mark Mitchell <mark@codesourcery.com>
5060 * final.c (final): Use xcalloc to allocate line_note_exists.
5061 * function.c (free_after_compilation): Free the temp_slots.
5062 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
5063 (combine_temp_slot): Free temp_slots when they get combined.
5064 (purge_addressof): Fix typo in comment.
5065 * stmt.c (mark_goto_fixup): Mark the fixup itself.
5066 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
5068 * ggc.h: Include varray.h.
5069 (ggc_pending_trees): Declare.
5070 (ggc_mark_tree_children): Remove declaration.
5071 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
5072 * ggc-common.c (ggc_pending_trees): New variable.
5073 (ggc_mark_roots): Call ggc_mark_trees.
5074 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
5075 the ggc_pending_trees.
5076 * Makefile.in (GGC_H): New variable. Use it throughout in place
5079 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5081 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
5084 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5086 * sh.c (sh_insn_length_adjustment): New function.
5087 * sh-protos.h (sh_insn_length_adjustment): Declare.
5088 * sh.h (ADJUST_INSN_LENGTH): Use it.
5090 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
5092 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
5093 from the insn where REG_RETVAL is added.
5094 (emit_no_conflict_block): Ditto.
5096 * md.texi (Standard Names): Clarify when movX is needed.
5098 * combine.c (simplify_comparison) [MINUS]: Do not replace
5099 all (op (minus A B) 0) with (op A B).
5101 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
5102 J"orn Rennecke <amylaar@cygnus.co.uk>
5104 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
5105 (block_lump_real): Likewise.
5107 2000-04-05 Chris Demetriou <cgd@netbsd.org>
5109 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
5110 remaining non-zero debugging masks.
5112 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
5114 * basic-block.h (verify_flow_info): Declare.
5115 (flow_loop_outside_edge_p): Declare.
5116 * flow.c (verify_flow_info): Remove declaration.
5117 (clear_log_links, flow_loop_outside_edge_p): Likewise.
5119 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
5121 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
5124 2000-04-05 Jakub Jelinek <jakub@redhat.com>
5126 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
5127 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
5128 seqdi_zero_trunc+1): Allow splits only if registers are
5131 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
5133 * acconfig.h: Add HAVE_GAS_HIDDEN.
5134 * config.in: Regenerated.
5135 * configure.in: Add test for .hidden pseudo-op in gas.
5136 * configure: Regenerated.
5137 * crtstuff.c: Include auto-host.h.
5138 Emit additional .hidden pseudo-op for __dso_handle if the
5139 assembler knows about it.
5141 2000-04-04 Philippe De Muyter <phdm@macqel.be>
5143 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
5144 before freeing argnames.
5145 * cpplib.c (do_ifndef): Cast return value of xstrdup.
5147 2000-04-05 Michael Meissner <meissner@redhat.com>
5149 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
5150 Walton <jonboy@gordian.com> to make memory references with update
5151 work wtih -mregnames.
5153 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5155 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
5156 (regrename_optimize): Rename variables `def_uses' and
5157 `ext_basic_blocks' to avoid conflicts with similarly named
5158 typedefs in traditional C.
5160 * calls.c (initialize_argument_information): Fix typo in previous
5163 2000-04-04 Richard Henderson <rth@cygnus.com>
5165 * regrename.c (consider_available): Test fixed_regs not
5166 PIC_OFFSET_TABLE_REGNUM.
5168 2000-04-04 Geoff Keating <geoffk@cygnus.com>
5170 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
5172 (CRTSTUFF_T_CFLAGS_S): Delete definition.
5173 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
5174 (ENDFILE_LINUX_SPEC): Always use crtend.
5175 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
5176 (powerpc-*-linux-gnu): Likewise.
5177 * configure: Regenerate.
5179 * config/rs6000/eabi.h: Don't include sysv4.h.
5180 (MULTILIB_DEFAULTS): Don't define.
5181 * config/rs6000/eabiaix.h: Don't include eabi.h.
5182 * config/rs6000/eabile.h: Delete.
5183 * config/rs6000/eabilesim.h: Delete.
5184 * config/rs6000/eabisim.h: Don't include eabi.h.
5185 * config/rs6000/linux.h: Don't include sysv4.h.
5186 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
5187 (MULTILIB_DEFAULTS): Don't redefine.
5188 * config/rs6000/rtems.h: Don't include eabi.h.
5189 * config/rs6000/sol2.h: Don't include sysv4le.h.
5190 * config/rs6000/sysv4le.h: Don't include sysv4.h.
5191 * config/rs6000/t-ppc: Delete.
5192 * config/rs6000/t-ppcgas: Correct comment.
5193 * config/rs6000/t-ppcos: Correct comment. Don't build
5194 multilibs for -fPIC, rather use -fPIC -mstrict-align
5196 * config/rs6000/t-ppc: Delete.
5197 * config/rs6000/vxppc.h: Don't include sysv4.h.
5198 * config/rs6000/vxppcle.h: Delete.
5199 * configure.in: Use multiple header files for p2pc ELF targets
5200 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
5201 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
5202 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
5203 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
5204 always available for these platforms.
5206 2000-04-04 Richard Henderson <rth@cygnus.com>
5208 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
5210 2000-04-04 Stan Cox <scox@cygnus.com>
5212 * Makefile.in: Add rules for regrename.o
5213 * regrename.c: New file.
5214 * rtl.h (regrename_optimize): Add prototype.
5215 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
5216 (compile_file, decode_d_option): Add support for -frename-registers.
5217 (rest_of_compilation): Call regrename_optimize.
5218 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
5221 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5223 * Makefile (gccbug): New target.
5224 (doc): Depend on it.
5225 * gcc.texi (Bugs): Link subnodes.
5227 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
5228 Document severities, priorities, and classes in bug form.
5230 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
5232 * cpplex.c (trigraph_map, speccase): Combine into single
5234 (NORMAL, NONTRI): New macros.
5235 (_cpp_read_and_prescan): Change to use unified table. Use
5236 is_hspace to test for whitespace.
5238 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
5239 definition that doesn't provoke the "empty body in an
5240 if-statement" warning.
5242 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
5244 * builtins.c (expand_builtin_strlen): Force the source to
5245 be a memory address.
5247 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5249 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
5251 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5253 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
5254 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
5255 (ECF_IS_CONST): Rename to ECF_CONST.
5256 (special_function_p): Make static, change interface.
5257 (flags_from_decl_or_type, try_to_integrate): Break out from ...
5258 (expand_call) ... here; convert number of variables to flags.
5259 (emit_library_call_vlue_1): Likewise.
5260 (setjmp_call_p): New function.
5261 (initialize_argument_information): Accepts flags as argument;
5263 (precompute_arguments): Likewise.
5264 * tree.h (special_function_p): Remove.
5265 (setjmp_call_p): Add prototype.
5267 2000-04-04 Jakub Jelinek <jakub@redhat.com>
5269 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
5270 so that addresses are offsetable by up to 16 bytes.
5271 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
5272 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
5275 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
5276 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
5277 (movsf): Don't force any constant to memory if target is integer
5279 Move fp_zero_operand check below the const0_rtx check.
5280 (movtf): Likewise. Also allow fp_zero_operand for stores into
5282 (movdf): Likewise. Also allow fp_zero_operand for stores into
5283 memory and into integer hard registers.
5284 (clear_df, clear_dfp, movdf_const_intreg_sp32,
5285 movdf_const_intreg_sp64): Remove.
5286 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
5288 (movdf_no_e_insn_v9_sp32): New pattern.
5289 (movdf_insn_v9only): Remove.
5290 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
5291 (movdf_insn_sp64): Remove.
5292 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
5293 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
5294 (following splits): Rewrite conditions. Add two new splits
5295 for storing 0.0 into memory and registers.
5296 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
5297 (movtf_insn_sp32): Redo constraints and conditions.
5298 (movtf_insn_vis_sp32): New pattern.
5299 (movtf_no_e_insn_sp32): Redo constraints and conditions.
5300 (movtf_insn_hq_sp64): Likewise.
5301 (movtf_insn_hq_vis_sp64): New pattern.
5302 (movtf_insn_sp64): Redo constraints and conditions.
5303 (movtf_insn_vis_sp64): New pattern.
5304 (movtf_no_e_insn_sp64): Redo constraints and conditions.
5305 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
5307 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
5308 -mvis or -m64 to take down the number of various reload patterns.
5310 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
5312 * pa/pa-64.h: New file.
5313 * pa/pa64-regs.h: New file.
5314 * pa/pa64-start.h: New file.
5315 * pa/t-pa64: New file.
5316 * pa/xm-pa64hpux.h: New file.
5318 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5320 * sparc.c (output_restore_regs): Prototype.
5321 (sparc_emit_float_lib_cmp): Constification.
5323 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
5325 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
5328 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
5329 (get_value_hash, hash_rtx): Likewise.
5331 * ssa.c (compute_conservative_reg_partition): Prototype.
5333 * tree.c (mark_hash_entry): Prototype.
5335 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
5337 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
5338 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
5339 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
5341 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
5342 * objc/lang-specs.h: Likewise.
5344 2000-04-03 Neil Booth <NeilB@earthling.net>
5346 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
5347 and SYNTAX_ERROR2. Replace `' in messages with ''.
5348 (op_to_str): Make re-entrant.
5349 (_cpp_parse_expr): Implement new error macros. Use | rather
5350 than || to logically or 2 boolean integers. Simply expression
5351 checking we have a left operand iff needed.
5353 2000-04-03 Nick Clifton <nickc@cygnus.com>
5355 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
5357 2000-04-03 Philip Blundell <philb@gnu.org>
5359 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
5361 2000-04-03 Felix Lee <flee@cygnus.com>
5363 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
5364 (run_shell): Use it.
5366 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
5368 * Makefile.in (stmp-int-hdrs): Make include subdir here...
5369 (stmp-fixproto): ...rather than here.
5371 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
5373 * pa.c (print_operand): Compute 'base' only inside the code paths
5376 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
5378 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
5381 2000-04-03 Philipp Thomas <pthomas@suse.de>
5383 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
5385 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
5387 * Makefile.in (alias.o): Depend on $(TREE_H).
5389 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
5391 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
5393 * cpplib.c (_cpp_handle_directive): Improve warnings for
5394 traditional C and indented directives.
5396 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
5397 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
5398 fixinc/inclhack.def: Indent the # of #include_next one space.
5399 * cp/rtti.c: Un-indent #if and #endif.
5401 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
5402 syntax error, but an error has already been printed.
5403 * cpplex.c (_cpp_parse_assertion): Give a more specific error
5404 message when called with nothing remaining on the line.
5405 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
5406 OTHER token, not an ASSERTION.
5407 * cpplib.c (do_assert): When we create a 'base' node, clear
5408 its aschain pointer.
5410 2000-04-02 Neil Booth <NeilB@earthling.net>
5412 * cppexp.c: New typedef op_t. struct operation and struct
5413 token updated to use it.
5414 (op_to_str): New function.
5415 (_cpp_parse_expr): Error messages modified to use op_to_str.
5417 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5419 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
5420 before checking MUST_PASS_IN_STACK.
5422 2000-04-02 Neil Booth <NeilB@earthling.net>
5424 * cppexp.c: New FINISHED dummy token. Combine operator initial
5425 flags and initial priority into a single constant. New
5426 EQUALITY macro. New operator flag SHORT_CIRCUIT.
5427 (_parse_cpp_expr): Implement new constants. Take left operand
5428 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
5429 parse indicated by reducing FINISHED token. Remove new lines
5430 from cpp_error messages.
5432 2000-04-01 Mark Mitchell <mark@codesourcery.com>
5434 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
5437 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
5439 * cpplib.c: Include symcat.h. Add 'origin' field to struct
5440 directive. Add origin values to DIRECTIVE_TABLE. Generate
5441 the strings and function names on the fly. Take the #sccs
5442 entry out of the table if SCCS_DIRECTIVE is not defined.
5443 (_cpp_handle_directive): Decide if the # was at the beginning
5444 of the line here. Issue -pedantic warnings for extended
5445 directives here. Warn about K+R directives with the #
5446 indented, and C89/extended directives with the # not indented,
5448 (do_import, do_include_next, do_warning, do_ident, do_sccs,
5449 do_assert, do_unassert): Don't issue pedantic warning here.
5451 * cpphash.h: Add CPP_WTRADITIONAL macro.
5452 * cpplib.h (struct cpp_options): Rename warn_stringify to
5453 warn_traditional; update comments.
5454 * cppinit.c (handle_option): Set warn_traditional not
5456 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
5457 CPP_WTRADITIONAL (pfile).
5458 * cpplex.c (_cpp_lex_token): Don't decide if directives should
5459 be ignored in -traditional mode here.
5461 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
5462 to initialize speccase[] and trigraph_map[]. Delete all
5463 references to pfile->input_speccase. Always treat '?' as a
5464 special character. Remove table-initialization code from
5465 _cpp_init_input_buffer.
5467 * cpplib.h (struct cpp_reader): Remove input_speccase field.
5468 * cppinit.c (cpp_cleanup): Don't free input_speccase.
5470 2000-04-01 Richard Henderson <rth@cygnus.com>
5472 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
5473 (mostlyclean): Likewise.
5475 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
5476 (struct dump_file_info, enum dump_file_index, dump_file): New.
5477 (open_dump_file): Take a dump_file_index not a suffix, and a decl
5478 not a string. Clean out file if we havn't yet done so. Do nothing
5479 if the dump isn't enabled.
5480 (close_dump_file): Do nothing if the dump isn't open. Dump
5481 graph data if requested.
5482 (dump_rtl, clean_dump_file): Remove.
5483 (compile_file): Don't clean the dump files. Only finalize .bp dump
5484 if flag_test_coverage or flag_branch_probabilities. Only finalize
5485 .combine dump if optimizing. Iterate over dump_file to finalize the
5487 (rest_of_compilation): Update for open_dump_file/close_dump_file.
5488 Convert all uses of dump_rtl.
5489 (decode_d_option): Iterate over dump_file to implement 'a' and to
5490 locate pass-specific dumps.
5492 2000-04-01 Neil Booth <NeilB@earthling.net>
5494 * cppexp.c: Redefine priority constants.
5495 (_cpp_parse_expr): Replace left and right priority scheme with
5496 single priority logic. Move LOGICAL to same place as COMPARE.
5497 Remove bogus check for multiple unary +/- operators.
5499 2000-04-01 Neil Booth <NeilB@earthling.net>
5501 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
5502 within the switch statement. Binary operations break out of
5503 the switch naturally. '(' tokens handled by forcing
5504 immediate shift. ')' handled by forcing immediate reduce to
5505 the previous '('. New error messages.
5507 2000-03-31 Geoff Keating <geoffk@cygnus.com>
5509 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
5510 part', it's already in use. Use %K instead. Add a return at the
5511 end of what is now %K.
5512 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
5514 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5516 * builtins.c (expand_builtin_apply): Pass proper parameters to
5517 allocate_dynamic_stack_space.
5518 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
5519 update stack_pointer_delta; do not update arg_size_so_far.
5520 (compute_argument_block_size): Use stack_delta instead of
5521 stack_pointer_pending and arg_size_so_far.
5522 (expand_call): Add sanity checking for stack_pointer_delta;
5523 save and restore stack_pointer_delta for SIB, use
5524 stack_pointer_delta for alignment; do not update arg_space_so_far.
5525 (emit_library_call_value): Use stack_pointer_delta for alignment.
5526 (store_one_arg): Do not update arg_space_so_far.
5527 * explow.c (adjust_stack, anti_adjust_stack): Update
5528 stack_pointer_delta.
5529 (allocate_dynamic_stack_space): Add sanity checking for
5530 stack_pointer_delta.
5531 * expr.c (init_expr, clear_pending_stack_adjust): Clear
5532 stack_pointer_delta.
5533 (emit_push_insn): Update stack_pointer_delta.
5534 * function.h (struct expr_status): Add x_stack_pointer_delta;
5535 remove x_arg_space_so_far.
5536 (arg_space_so_far): Remove.
5537 (stack_pointer_delta): New macro.
5539 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
5541 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
5542 Reorder struct cpp_options and struct cpp_reader for better
5543 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
5544 takes two args. Change all 'char' flags to 'unsigned char'.
5545 Move show_column flag into struct cpp_options. Don't
5546 prototype cpp_options_init.
5547 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
5548 cppinit.c, cpplex.c, cpplib.c:
5549 Replace CPP_OPTIONS (pfile)->whatever with
5550 CPP_OPTION (pfile, whatever), and likewise for
5551 opts = CPP_OPTIONS (pfile); ... opts->whatever;
5553 * cppinit.c (merge_include_chains): Take a cpp_reader *.
5554 Extract CPP_OPTION (pfile, pending) and work with that
5556 (cpp_options_init): Delete.
5557 (cpp_reader_init): Turn on on-by-default options here.
5558 Allocate the pending structure here.
5559 (cl_options, enum opt_code): Define these from the same table,
5560 kept in a large macro. Add -fshow-column and -fno-show-column
5563 * cpperror.c (v_message): If show_column is off, don't print
5566 * cppmain.c: Update for new interface.
5567 * fix-header.c: Likewise.
5569 2000-03-30 Geoff Keating <geoffk@cygnus.com>
5571 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
5573 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
5574 are passed to any invocation of AR_FOR_TARGET.
5575 (AR_CREATE_FOR_TARGET): New macro.
5576 (AR_EXTRACT_FOR_TARGET): New macro.
5577 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
5578 AR_EXTRACT_FOR_TARGET.
5579 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
5580 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
5581 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
5582 AR_EXTRACT_FOR_TARGET to sub-makes.
5584 2000-03-31 Neil Booth <NeilB@earthling.net>
5586 * cppexp.c: Delete SKIP_OPERAND. Correct priority
5588 (_cpp_parse_expr): Check for multiple unary +/- operators.
5589 Correct priorities of ':' and '?'. Treat ')' as having a
5590 value. Ensure conditional expression is not void.
5592 2000-03-31 Mark Mitchell <mark@codesourcery.com>
5594 * alias.c (canon_rtx): Make it global.
5595 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
5597 * cse.c (struct table_elt): Add canon_exp.
5599 (invalidate): Canonicalize expressions only once.
5600 * rtl.h (canon_rtx): Declare.
5602 2000-03-30 Mark Mitchell <mark@codesourcery.com>
5604 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
5605 * alias.c (reg_known_value): Add comments.
5606 (init_alias_analysis): Likewise.
5607 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
5609 (cse_basic_block): Fix typo in comment.
5610 * emit-rtl.c: Include hashtab.h.
5611 (const_int_htab): New variable.
5612 (const_int_htab_hash): New function.
5613 (const_int_htab_eq): Likewise.
5614 (rtx_htab_mark_1): Likewise.
5615 (rtx_htab_mark): Likewise.
5616 (gen_rtx_CONST_INT): Cache all CONST_INTs.
5617 (unshare_all_rtx): Fix formatting.
5618 (init_emit_once): Initialize const_int_htab.
5619 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
5621 * rtl.texi: Document the fact that all CONST_INTs with the same
5624 2000-03-30 Richard Henderson <rth@cygnus.com>
5626 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
5628 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
5630 * configure.in: Comment out --enable-c-cpplib stanza.
5631 * configure: Regenerate.
5633 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5635 * expr.c (store_constructor): Properly compute displacement and
5636 alignment when offset is variable.
5638 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
5639 cases of alignment in bytes.
5641 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
5643 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
5644 since it is used to generate c-parse.y.
5645 * objc-parse.c, objc-parse.y: Regenerated.
5647 * function.c (expand_function_end): Pass alignment argument to
5648 emit_block_move in bits, not bytes.
5650 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5652 * expr.c (move_by_pieces_ninsns): Fix one more missing align
5655 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
5657 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
5658 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
5659 * function.c (assign_parms): Likewise.
5660 * integrate.c (expand_inline_function): Likewise.
5661 * stmt.c (expand_decl): Likewise.
5662 (copy_rtx_and_substitute): Likewise.
5663 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
5664 (clear_by_pieces): Fix error in last change.
5665 * emit-rtl.c (init_emit): Set known registers alignment in bits.
5666 * function.h (regno_pointer_align): Now unsigned.
5667 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
5669 * config/i386/i386.c (aligned_operand): Likewise.
5670 * config/sparc/sparc.c (mem_min_alignment): Likewise.
5671 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
5672 (unaligned_memory_operand): Likewise.
5673 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5674 Also make alignments and sizes unsigned and some whitespace cleanup.
5675 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
5677 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
5678 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
5679 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
5680 (expand_builtin_memset): Likewise, but to clear_storage.
5681 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
5682 (restore_fixed_argument_area): Likewise.
5683 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
5684 (load_register_parameters): Likewise, to emit_group_load.
5685 (expand_call): Likewise, to emit_group_store and emit_block_move.
5686 (emit_library_call_value_1): Likewise, to emit_block_move.
5687 (store_one_arg): Likewise, and to emit_push_insn.
5688 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
5689 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
5690 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
5691 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5692 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
5693 (expand_assigment, store_expr, store_constructor_field): Likewise.
5694 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
5695 (store_constructor, store_field, get_inner_reference): Likewise.
5696 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
5697 (expand_expr, case COMPONENT_REF): Likewise.
5698 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
5699 and positions; reindent code.
5700 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
5701 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
5702 (assign_parms): Likewise to emit_group_store.
5703 * optabs.c (prepare_cmp_insn): Alignment is in bits.
5704 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
5705 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
5706 (expand_return): Likewise to {extract,store}_bit_field.
5707 * stor-layout.c (get_mode_alignment): Minor cleanup.
5708 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
5709 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
5711 2000-03-29 Nick Clifton <nickc@cygnus.com>
5713 * config/arm/arm.h: Undo effects of previous delta:
5714 (ASM_SPEC): Do not define.
5715 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
5717 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
5720 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5722 * cppinit.c (cpp_start_read): Call initialize_dependency_output
5723 only after reading in the primary source file.
5725 2000-03-29 Geoff Keating <geoffk@cygnus.com>
5727 * c-common.c (c_common_nodes_and_builtins): The first parameter to
5728 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
5729 or a reference to a va_list.
5730 * builtins.c (stabilize_va_list): Simplify now we don't have to
5731 work around C array address decay.
5732 * c-typeck.c (convert_for_assignment): Handle assignment to
5733 a reference parameter by taking the address of the RHS.
5734 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
5735 (va_copy): Likewise.
5736 (__va_copy): Likewise.
5737 * ginclude/varargs.h (va_start): Likewise.
5738 (__va_copy): Likewise.
5740 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
5742 * i386/djgpp.h: Remove extraneous "+".
5744 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
5746 * calls.c (expand_call): Fix typo in last change.
5748 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
5750 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
5753 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5755 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
5756 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
5757 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
5758 * tree.c (bit_position, byte_position): Likewise.
5759 * tree.h: Declare new functions.
5761 2000-03-29 Nick Clifton <nickc@cygnus.com>
5763 * config/arm/arm.c: Minor formatting changes/
5764 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5766 (ASM_SPEC): Define if not already defined.
5768 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5770 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
5773 2000-03-29 Jakub Jelinek <jakub@redhat.com>
5775 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
5776 value, don't output it as unsigned.
5778 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
5780 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
5782 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5784 * c-common.c (c_common_nodes_and_builtins): Don't special case
5785 cplus_mode when declaring builtin bzero/bcmp, always avoid
5786 prototype arguments.
5788 2000-03-29 Bruce Korb <bkorb@gnu.org>
5790 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
5793 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5795 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
5796 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
5797 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
5798 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
5799 (save_fixed_argument_area, restore_fixed_argument_area):
5800 conditionize by #ifdef REG_PARM_STACK_SPACE only.
5801 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
5802 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
5803 (precompute_register_parameters): Avoid #ifdefs on
5804 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
5805 (stire_one_args): Likewise.
5806 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
5807 (emit_library_call_value_1): Likewise.
5808 (compute_argument_block_size): Align to STACK_BOUNDARY only for
5809 ACCUMULATE_OUTGOING_ARGS.
5810 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
5812 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
5813 (use_crosses_set_p): Likewise.
5814 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
5815 #define ACCUMULATE_OUTGOING_ARGS 1.
5816 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
5818 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
5820 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
5821 (TARGET_SWITCHES): Add push-args, no-push-args,
5822 accumulate-outgoing-args and no-accumulate-outgoing-args.
5823 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
5824 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
5825 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
5827 (emit_push_insn): Likewise.
5828 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5829 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
5830 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5831 (STACK_DYNAMIC_OFFSET): Define correctly for both
5832 ACCUMULATE_OUTGOING_ARGS and normal mode.
5833 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
5834 * tm.texi (PUSH_ARGS): Document.
5835 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
5837 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
5839 * flags.h (flag_optimize_sibling_calls): Declare.
5840 * calls.c (expand_call): Fail sibcall when
5841 !flag_optimize_sibling_calls
5842 * invoke.texi (flag_optimize_sibling_calls): Document.
5843 * toplev.c (flag_optimize_sibling_calls): New global variable.
5844 (f_options): Add flag_optimize_sibling_calls.
5845 (rest_of_compilation): Conditionize
5846 optimize_sibling_and_tail_recursive_calls by
5847 flag_optimize_sibling_calls.
5848 (main): Set flag_optimize_sibling_calls for -O2.
5849 * stmt.c (expand_return): Conditionize tail recursion by
5850 flag_optimize_sibling_calls.
5852 2000-03-29 Richard Henderson <rth@cygnus.com>
5854 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
5855 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
5857 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
5859 * except.c (add_eh_table_entry): Mark type_info's as referenced.
5861 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5863 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
5865 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
5866 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
5867 * config/rs6000/aix.h: then modified likewise.
5869 2000-03-28 Richard Henderson <rth@cygnus.com>
5871 * rtl.h: Redistribute enum reg_note documentation.
5872 Kill trailing whitespace.
5873 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
5874 Kill trailing whitespace.
5876 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
5878 * cppfiles.c (hash_IHASH): Just return i->hash.
5879 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
5880 htab_find_with_hash.
5881 (cpp_read_file): Likewise.
5882 (find_include_file): Likewise. Properly initialize
5883 ih->nshort. Share ih->name and ih->nshort if possible.
5884 * cpphash.c (_cpp_calc_hash): New function.
5885 (hash_HASHNODE): Just return h->hash.
5886 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
5887 htab_find_with_hash.
5888 * cpphash.h: Prototype _cpp_calc_hash.
5889 * cppinit.c (initialize_builtins): Provide a valid hash
5890 to _cpp_make_hashnode, using _cpp_calc_hash.
5892 * cpphash.c (collect_expansion): # is not a special character
5893 in object-like macros. In -traditional mode, /**/ is not
5894 token paste at the beginning or end of the line.
5895 * cpplib.c (do_include, do_import, do_include_next): If
5896 parse_include fails, return immediately.
5898 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
5900 * config/arm/arm.md (return peepholes): Update to reflect the new
5902 * config/arm/arm.c (arm_volatile_func): Also check
5903 current_function_nothrow.
5904 (output_return_instruction, output_func_prologue): Use it.
5905 (arm_output_epilogue, arm_expand_prologue): Likewise.
5907 2000-03-27 Tom Tromey <tromey@cygnus.com>
5909 * gcc.c (handle_braces): In {x*...} case, break out of loop if
5912 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5914 * expr.c (store_constructor): SIZE now signed.
5915 For EXPR_SIZE, don't evaluate size; just needed if constant.
5916 * fold-const.c (fold): Fix a number of cases when folded tree is
5918 * function.c (flush_addressof): Reenable.
5919 * tree.h (flush_addressof): Likewise.
5920 * toplev.c (independent_decode_option): Look at strings_processed.
5921 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
5923 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
5925 * sibcall.c (indentify_call_return_value): Find last call in the chain;
5926 Allow stack adjustment after function call.
5928 * regmove.c (struct csa_memlist): Make mem field rtx *.
5929 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
5930 (try_apply_stack_adjustment): Replace whole MEM rtx.
5931 (combine_stack_adjustments_for_block): Update calls
5932 to record_one_stack_ref.
5934 2000-03-28 Neil Booth <NeilB@earthling.net>
5936 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
5937 '\\' rather than a null character, so nulls are not special. Fix
5938 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
5939 speed trigraph conversion.
5940 (_cpp_init_input_buffer): Initialize trigraph map.
5942 2000-03-27 Alan Modra <alan@linuxcare.com.au>
5944 * config/i386/i386.c (output_387_binary_op): Correct intel
5945 mode assembly output, and add spaces after commas in AT&T
5946 output. Correct Unixware assembler comment. Document input
5947 constraints. Comment fp operations. Reduce profligate buffer
5948 size. Remove extraneous abort. Localize temp var.
5949 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
5950 (output_fix_trunc): Add spaces after commas in assembly output.
5952 2000-03-27 Richard Henderson <rth@cygnus.com>
5954 * i386-protos.h (ix86_match_ccmode): Declare.
5955 * i386.c (ix86_match_ccmode): New.
5956 (ix86_expand_fp_compare): Update for pattern renames.
5957 (ix86_expand_strlensi_unroll_1): Likewise.
5958 * i386.h (EXTRA_CC_MODES): Add CCZ.
5959 (SELECT_CC_MODE): Use it for EQ/NE zero.
5960 * i386.md (cmpsi_ccz_1): New.
5962 (*testsi_ccz_1): New.
5963 (testqi_ccz_1): New.
5964 (cmpsi_ccno_1): Rename from cmpsi_0.
5965 (testsi_ccno_1): Rename from testsi_1.
5966 (testqi_ccno_1): Rename from testqi_1.
5967 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
5968 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
5969 (*cmphi_0): Use ix86_match_ccmode.
5970 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
5971 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
5972 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
5973 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
5974 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
5975 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
5976 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
5977 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
5978 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
5979 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
5980 (appropriate peepholes): Likewise.
5981 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
5982 (*subsi_3, *subhi_3, *subqi_3): Remove.
5983 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
5984 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
5985 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
5986 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
5987 (x86_shift_adj_1): Use CCZ.
5988 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
5990 2000-03-27 Stan Cox <scox@cygnus.com>
5992 * resource.h (mark_resource_type): New.
5993 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
5994 find_free_register): Use mark_resource_type.
5995 (mark_set_resources): Change include_delayed_effects
5996 to mark_resource_type.
5997 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
5998 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
5999 Use mark_resource_type.
6001 2000-03-27 Richard Henderson <rth@cygnus.com>
6003 * i386.md (call_pop_0, call_value_pop_0): New.
6004 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6005 (call_value_pop_1): Likewise.
6006 (call_0, call_value_0): New.
6007 (call_1, call_value_1): Remove constraint from unused arg.
6009 2000-03-27 Nick Clifton <nickc@cygnus.com>
6011 * invoke.texi (Spec Files): Document new spec % command created by
6012 Tom Tromey's recent patch.
6014 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6016 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6019 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6021 * expr.c (expand_assignment): Fix typo in last change.
6023 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
6025 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6027 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
6028 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
6029 and DECL_INLINE if FUNCTION_DECL.
6030 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
6031 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
6032 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
6033 (combine_parm_decls): Likewise.
6034 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
6035 * print-tree.c (print_node): Likewise.
6036 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
6037 DECL_TRANSPARENT_UNION on proper decl types.
6038 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
6039 * stor-layout.c (layout_decl): Only check DECL_PACKED and
6040 DECL_BIT_FIELD of FIELD_DECL.
6041 * tree.h (DECL_RESULT_FLD): New macro.
6043 * expr.c (expand_assignment): Add code to handle variable-sized
6046 2000-03-26 Richard Henderson <rth@cygnus.com>
6048 * calls.c (expand_call): Pass parms not original exp to
6049 optimize_tail_recursion. Mind return value instead of looking
6051 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
6052 call_expr. Move checks for call_expr and current_function_decl ...
6053 (expand_return): ... here.
6055 2000-03-26 Tom Tromey <tromey@cygnus.com>
6057 * gcc.c (handle_braces): Recognize `%{<S}' construct.
6058 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
6060 (process_command): Use them.
6061 (check_live_switch): Likewise.
6062 (give_switch): Skip ignored switches.
6064 2000-03-26 Jan Hubicka <jh@suse.cz>
6066 * jump.c (jump_optimize_1): Fix typo in elide optimizations
6067 for minimal jump pass test.
6069 2000-03-26 Mark Mitchell <mark@codesourcery.com>
6071 * integrate.c (function_cannot_inline_p): Do inline functions that
6074 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6076 * stor-layout.c (layout_type, set_sizetype): early_type_list is
6077 now a list of TREE_LIST entries, not types.
6078 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
6080 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
6081 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
6083 * config/mips/mips.c (function_arg): Likewise; also remove cast
6084 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
6085 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
6086 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
6087 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
6088 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
6089 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
6090 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
6091 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
6092 num_adjusts now unsigned.
6093 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
6094 * config/sparc/sparc.c (struct function_arg_record_value_parms):
6096 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
6097 as is BITPOS variable; use host_integerp and int_bit_position.
6098 (function_arg_record_value_2): Likewise.
6099 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
6100 Variable REGNO now unsigned.
6101 (function_arg_record_value): NREGS now unsigned.
6103 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6105 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
6107 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6109 * Rework fields used to describe positions of bitfields and
6110 modify sizes to be unsigned and use HOST_WIDE_INT.
6111 * alias.c (reg_known_value_size): Now unsigned.
6112 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
6113 (really_start_incremental_init): Use bitsize_zero_node.
6114 (push_init_level, pop_init_level, output_init_element): Likewise.
6115 Use bitsize_unit_node and bitsize_one_node.
6116 (output_pending_init_elements, process_init_element): Likewise.
6117 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
6118 (make_extraction): Position and length HOST_WIDE_INT and unsigned
6119 HOST_WIDE_INT, respectively.
6120 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
6121 (num_sign_bit_copies): Returns unsigned.
6122 BITWIDTH now unsigned; rework arithmetic.
6123 Remove recursive call from arg to MAX.
6124 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
6125 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
6127 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
6128 (find_split_point, expand_compound_operation, make_extraction): LEN
6129 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
6130 (make_field_assignment): Likewise.
6131 (combine_simplify_rtx): Add cast.
6132 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
6133 (force_to_mode): WIDTH now unsigned; add cast.
6134 (if_then_else_cond): SIZE now unsigned.
6135 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
6136 (extended_count): Now returns unsigned.
6137 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
6138 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
6139 (simplify_comparison): MODE_WIDTH now unsigned.
6140 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
6141 (mark_used_regs_combine): Likewise; rework arithmetic.
6142 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
6143 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
6144 (record_promoted_value): REGNO now unsigned.
6145 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
6146 (get_last_value): REGNO now unsigned.
6147 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
6148 (reg_dead_regno, reg_dead_endregno): Now unsigned.
6149 (remove_death): Arg REGNO now unsigned.
6150 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
6151 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
6153 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
6154 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
6155 (struct cse_reg_info): REGNO now unsigned.
6156 (cached_regno): Now unsigned.
6157 (REGNO_QTY_VALID_P): Add cast.
6158 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
6159 (remove_invalid_regs): Likewise.
6160 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
6161 as are variables END and I.
6162 (get_cse_reg_info, insert): Likewise.
6163 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
6164 (canon_hash): Likewise.
6165 (insert_regs, lookup_for_remove): REGNO now unsigned.
6166 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
6168 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
6169 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
6170 * emit-rtl.c (subreg_realpart_p): Add cast.
6171 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
6172 (operand_subword_force): Arg I is now unsigned.
6173 * except.c (eh_regs): Variable I is now unsigned.
6174 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
6175 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
6176 length is unsigned HOST_WIDE_INT; likewise for internal variables.
6177 (store_split_bit_field, extract_fixed_bit_field): Likewise.
6178 (extract_split_bit_field, store_bit_field, extract_bit_field):
6180 * expr.c (store_constructor_fields, store_constructor, store_field):
6181 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
6182 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
6183 (do_jump): Likewise.
6184 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
6185 MAX_SIZE is now unsigned.
6186 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
6187 (emit_group_store): Likewise.
6188 (emit_move_insn): I now unsigned.
6189 (store_constructor): Use host_integerp, tree_low_cst, and
6191 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
6192 Rework all calculations to use trees and new fields.
6193 * expr.h (promoted_input_arg): Regno now unsigned.
6194 (store_bit_field, extract_bit_field): Adjust types of pos and size.
6195 (mark_seen_cases): Arg is HOST_WIDE_INT.
6196 * flow.c (verify_wide_reg_1): REGNO now unsigned.
6197 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
6198 precisions and alignments are unsigned.
6199 (optimize_bit_field_compare, fold_truthop): Likewise.
6200 (int_const_binop): Adjust threshold for size_int_type_wide call.
6201 (fold_convert): Likewise.
6202 (size_int_type_wide): Make table larger and fix thinko that only
6203 had half of table used.
6204 (all_ones_mask_p, fold): Precisions are unsigned.
6205 * function.c (put_reg_info_stack): REGNO is unsigned.
6206 (instantiate_decl): Size is HOST_WIDE_INT.
6207 (instantiate_virtual_regs): I is unsigned.
6208 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
6209 (promoted_input_arg): REGNO is unsigned.
6210 * function.h (struct function): x_max_parm_reg is now unsigned.
6211 * gcse.c (max_gcse_regno): Now unsigned.
6212 (struct null_pointer_info): min_reg and max_reg now unsigned.
6213 (lookup_set, next_set): REGNO arg now unsigned.
6214 (compute_hash_table): REGNO and I now unsigned.
6215 (handle_avail_expr): regnum_for_replacing now unsigned.
6216 (cprop_insn): REGNO now unsigned.
6217 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
6218 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
6219 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
6220 * hard-reg-set.h (reg_class_size): Now unsigned.
6221 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
6222 * jump.c (mark_modified_reg): I now unsigned; add cast.
6223 (rtx_equal_for_thread_p): Add cast.
6224 * loop.c (max_reg_before_loop): Now unsigned.
6225 (struct_movable): REGNO now unsigned.
6226 (try_copy_prop): REGNO arg unsigned.
6227 (regs_match_p): XN and YN now unsigned.
6228 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
6229 (strength_reduce): Likewise; NREGS also unsigned.
6230 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
6231 * loop.h (struct iv_class): REGNO now unsigned.
6232 (max_reg_before_loop, first_increment_giv, last_increment_giv):
6234 * machmode.h (mode_size, mode_unit_size): Now unsigned.
6235 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
6236 * optabs.c (expand_binop): I and NWORDS now unsigned.
6237 (expand_unop): I now unsigned.
6238 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
6239 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
6240 * real.c (significand_size): Now returns unsigned.
6241 * real.h (significand_size): Likewise.
6242 * regclass.c (reg_class_size): Now unsigned.
6243 (choose_hard_reg_mode): Both operands now unsigned.
6244 (record_reg_classes): REGNO and NR now unsigned.
6245 (reg_scan): NREGS now unsigned.
6246 (reg_scan_update): old_max_regno now unsigned.
6247 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
6248 * reload.c (find_valid_class): BEST_SIZE now unsigned.
6249 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
6250 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
6251 Likewise for variable R.
6252 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
6253 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
6254 (find_equiv_reg): Add casts.
6255 (regno_clobbered_p): Arg REGNO now unsigned.
6256 * reload.h (struct reload): NREGS now unsigned.
6257 (refers_to_regno_for_reload_p): Regno args are unsigned.
6258 (regno_clobbered_p): Likewise.
6259 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
6260 (compute_use_by_pseudos): REGNO now unsigned.
6261 (find_reg): I and J now unsigned, new variable K, and change loop
6262 variables accordingly; THIS_NREGS now unsigned.
6263 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
6264 (spill_hard_reg): REGNO arg now unsigned; add casts.
6265 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
6266 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
6267 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
6268 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
6269 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
6270 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
6271 (emit_reload_insns): REGNO now unsigned.
6272 (reload_cse_move2add): Add cast.
6273 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
6275 * resource.c (mark_referenced_resources, mark_set_resources): New
6276 variable R; REGNO and LAST_REGNO now unsigned.
6277 (mark_target_live_regs): J and REGNO now unsigned.
6278 * rtl.c (mode_size, mode_unit_size): Now unsigned.
6279 * rtl.h (union rtunion_def): New field rtuint.
6280 (XCUINT): New macro.
6281 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
6282 (operand_subword, operand_subword_force): Word number is unsigned.
6283 (choose_hard_reg_mode): Operands are unsigned.
6284 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
6285 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
6286 (regno_use_in, combine_instructions, remove_death): Likewise.
6287 (reg_scan, reg_scan_update): Likewise.
6288 (extended_count): Return is unsigned.
6289 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
6290 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
6291 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
6292 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
6293 (reg_reg_last_1): FIRS and LAST now unsigned.
6294 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
6295 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
6297 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
6298 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
6299 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
6300 (replace_regs): Arg NREGS now unsigned.
6301 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
6302 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
6303 (simplify_binary_operation): Likewise.
6304 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
6305 THIS_LAST now unsigned.
6306 (cselib_record_set): Add cast.
6307 * ssa.c (ssa_max_reg_num): Now unsigned.
6308 (rename_block): REGNO now unsigned.
6309 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
6311 (all_cases_count): Just return -1 not -2.
6312 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
6313 Rework tests to use trees whenever possible.
6314 Use host_integerp and tree_low_cst.
6315 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
6316 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
6317 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
6318 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
6319 (smallest_mode_for_size): Likewise.
6320 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
6321 KNOWN_ALIGN is now an alignment, so simplify code.
6322 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
6323 (start_record_layout): Renamed from new_record_layout_info.
6324 Update to new fields.
6325 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
6327 (place_union_field): Renamed from layout_union_field.
6328 Update to use new fields in rli.
6329 (place_field): Renamed from layout_field.
6330 Major rewrite to use new fields in rli; pass alignment to layout_decl.
6331 (finalize_record_size): Rework to use new fields in rli and handle
6333 (compute_record_mode): Rework to simplify and to use new DECL fields.
6334 (finalize_type_size): Make rounding more consistent.
6335 (finish_union_layout): Deleted.
6336 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
6337 (layout_type, case RECORD_TYPE): Call new function names.
6338 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
6339 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
6340 (get_best_mode): UNIT is now unsigned; remove casts.
6341 * tree.c (bit_position): Compute from new fields.
6342 (byte_position, int_byte_position): New functions.
6343 (print_type_hash_statistics): Cast to remove warning.
6344 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
6345 (build_index_type): Likewise; make subtype of sizetype.
6346 (build_index_2_type): Pass sizetype to build_range_type.
6347 (build_common_tree_nodes): Use size_int and bitsize_int to
6348 initialize nodes; add bitsize_{zero,one,unit}_node.
6349 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
6350 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
6351 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
6352 (DECL_FIELD_BITPOS): Deleted.
6353 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
6354 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
6355 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
6356 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
6357 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
6358 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
6359 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
6360 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
6361 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
6362 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
6363 (DECL_ALIGN): Adjust to new field in union.
6364 (DECL_OFFSET_ALIGN): New field.
6365 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
6366 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
6367 (union tree_decl): Add struct for both aligns.
6368 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
6369 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
6370 (struct record_layout_info): Rework fields to have offset
6371 alignment and byte and bit position.
6372 (start_record_layout, place_field): Renamed from old names.
6373 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
6374 (byte_position, int_byte_position): Likewise.
6375 (get_inner_reference): Change types of position and length.
6376 * unroll.c (unroll_loop): New variable R; use for some loops.
6377 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
6378 (calculate_giv_inc): Arg REGNO now unsigned.
6379 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
6380 * varasm.c (assemble_variable): Clean up handling of size using
6381 host_integerp and tree_low_cst.
6382 (decode_addr_const): Use byte, not bit, position.
6383 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
6384 use tree_low_cst and int_bit_position.
6385 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
6387 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
6389 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
6390 (reorder_block_def): New members eff_head and eff_end.
6391 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
6392 (verify_insn_chain): New function.
6393 (skip_insns_between_block): Add code to skip deleted insns.
6394 Check for note before using.
6395 (chain_reorder_blocks): Replace calls to skip_insns_between_block
6396 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
6397 Check for note before using.
6398 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
6399 (fixup_reorder_chain): Restructure, clean up, defect removal.
6400 (reorder_basic_blocks): Remove last_insn and references to it.
6401 Moved insn chain verification code into a new function (see above).
6402 Delete defective code that sets last insn.
6403 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
6406 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6408 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
6410 2000-03-24 Richard Henderson <rth@cygnus.com>
6412 * tree.c (lang_safe_for_unsave): Remove.
6413 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
6414 allowing for two levels of unsafeness. Remove lang hook.
6415 * tree.h: Update declarations.
6416 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
6417 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
6418 Always fail sibcalls when there are pending cleanups.
6420 2000-03-24 Geoff Keating <geoffk@cygnus.com>
6422 * flow.c (propagate_block): When we delete an ADDR_VEC,
6423 also delete the BARRIER following it if there is one.
6425 2000-03-24 Richard Henderson <rth@cygnus.com>
6427 * builtins.c (expand_builtin_bzero): Convert `length' argument
6430 2000-03-24 Jakub Jelinek <jakub@redhat.com>
6432 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
6433 comparison if regno's are equal.
6434 * calls.c (initialize_argument_informat): Add ecf_flags argument.
6435 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6436 (expand_call): Update caller.
6437 Avoid making a sibling call if argument size of the callee is larger
6438 than argument size of the caller.
6439 Call hard_function_value with outgoing set if in sibcall pass.
6440 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6442 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
6443 Change LEAF_REGISTERS from an array initializer to actual array
6444 identifier. Move static global variable into the function.
6445 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
6446 sequences for leaf functions.
6447 * global.c (global_alloc): Likewise.
6448 * tm.texi (LEAF_REGISTERS): Update documentation.
6450 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
6451 TARGET_FLAT leaf disabling hack.
6452 (LEAF_REGISTERS): Changed from an array initializer to actual array
6453 identifier to avoid duplication and remove the above hack.
6454 (FUNCTION_OK_FOR_SIBCALL): Define.
6455 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
6456 always like call attribute.
6457 (eligible_for_sibcall_delay): New attribute.
6458 (sibcall): New delay type.
6459 (sibcall, sibcall_value, sibcall_epilogue): New expands.
6460 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
6461 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
6462 * config/sparc/sparc.c (sparc_leaf_regs): New array.
6463 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
6465 (output_function_epilogue): Move part of the code into
6466 output_restore_regs.
6467 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
6469 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
6472 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
6473 until infrastructure is finished.
6475 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
6477 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
6478 (save_parm_insns): Not here.
6480 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6482 * builtins.c (expand_builtin_bzero): New function.
6483 (expand_builtin): Handle bzero.
6485 * builtins.def: Add BUILT_IN_BZERO.
6487 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6488 prototype & function for bzero.
6490 2000-03-23 Michael Meissner <meissner@redhat.com>
6492 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
6493 change adding TARGET_FP to the TF floating point insns, except for
6494 trunctfsf2, which generates direct calls to truncdfsf2.
6496 2000-03-23 Geoff Keating <geoffk@cygnus.com>
6498 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
6499 try to protect against middle-end changes that break binary
6501 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
6503 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6505 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
6507 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6509 * calls.c (expand_call): If TARGET is passed by reference and
6510 is readonly, write a CLOBBER.
6512 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6514 * builtins.c (expand_builtin): Handle bcmp.
6516 * builtins.def: Add BUILT_IN_BCMP.
6518 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6519 prototype & function for bcmp.
6521 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
6523 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
6524 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
6525 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
6527 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
6529 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
6530 alternative when using -fp64 -gp32.
6532 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6534 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
6535 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
6536 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
6538 * frame.h (frame_state): Revert last change.
6539 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
6540 * libgcc2.c (throw_helper): Revert last change.
6542 2000-03-22 Richard Henderson <rth@cygnus.com>
6544 * stmt.c (expand_asm_operands): Don't promote the temporary.
6546 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6548 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
6549 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
6550 c_get_alias_set): Likewise.
6551 * c-decl.c (duplicate_decls): Likewise.
6552 * c-typeck.c (default_conversion,build_unary_op): Likewise.
6553 * calls.c (initialize_argument_information): Likewise.
6554 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
6556 * dwarfout.c (decl_class_context,output_type): Likewise.
6557 * expr.c (get_inner_reference): Likewise.
6558 * fold-const.c (simple_operand_p,fold): Likewise.
6559 * function.c (aggregate_value_p): Likewise.
6560 * stmt.c (expand_asm_operands): Likewise.
6561 * varasm.c (named_section): Likewise.
6563 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6565 Implement dwarf2 exception handling for the ARM.
6566 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
6567 (DWARF_FRAME_RETURN_COLUMN): Define.
6568 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
6569 REG_FRAME_RELATED_EXPR note.
6570 (emit_sfm): Likewise.
6571 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
6572 * dwarf2out.c (reg_save): Handle saving a register to itself.
6573 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
6574 * except.c (eh_regs): Don't use the static chain reg if it's
6576 * frame.h (frame_state): Add cfa_saved field.
6577 * frame.c (execute_cfa_insn): Set it.
6578 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
6580 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
6582 (instantiate_virtual_regs): Adjust.
6584 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6585 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6586 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
6588 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
6589 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
6591 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6593 * builtins.def: New file.
6595 * Makefile.in (TREE_H): Depend on builtins.def.
6597 * builtins.c (built_in_names): Use builtins.def.
6599 * tree.h (built_in_function): Likewise.
6601 2000-03-22 Mark Mitchell <mark@codesourcery.com>
6603 * tree.c (size_in_bytes): Return size_zero_node, not
6606 2000-03-22 Geoff Keating <geoffk@cygnus.com>
6608 * config/fp-bit.c (pack_d): Correct the case when a denormal
6609 is rounded up and stops being denormal.
6611 2000-03-21 Richard Henderson <rth@cygnus.com>
6613 * config/alpha/alpha.c (function_arg): Check for void_type_node
6614 before using MUST_PASS_IN_STACK.
6616 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
6618 * regmove.c (combine_stack_adjustments_for_block): Check that
6619 the stack pointer is a valid memory address.
6621 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
6623 * calls.c: re-install Mar 16 emit_library_call merge.
6625 2000-03-21 Jakub Jelinek <jakub@redhat.com>
6627 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
6628 we cannot be sure that if reload_completed base register will
6629 be properly aligned.
6631 2000-03-21 Richard Henderson <rth@cygnus.com>
6633 * flow.c (delete_block): Fix typo last change.
6635 2000-03-21 Mark Mitchell <mark@codesourcery.com>
6637 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
6638 not COMPLETE_TYPE_P, to check the type of the expression.
6640 2000-03-21 Michael Meissner <meissner@redhat.com>
6642 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
6643 all floating point insns that just tested the macro
6644 TARGET_HAS_XFLOATING_LIBS.
6645 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
6646 used to only use the gprs.
6648 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
6650 * tree.h (COMPLETE_TYPE_P): New macro.
6651 (COMPLETE_OR_VOID_TYPE_P): New macro.
6652 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
6653 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
6654 * c-aux-info.c (gen_type): Use them.
6655 * c-common.c (c_expand_expr_stmt): Likewise.
6656 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
6657 grokdeclarator, grokparms, finish_struct, start_function,
6658 store_parm_decls, combine_parm_decls): Likewise.
6659 * c-parse.y (cast_expr): Likewise.
6660 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
6661 c_size_in_bytes, c_alignof, build_component_ref,
6662 build_indirect_ref, build_array_ref, convert_arguments,
6663 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
6664 * calls.c (initialize_argument_information): Likewise.
6665 * convert.c (convert_to_integer): Likewise.
6666 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
6667 * dwarfout.c (location_or_const_value_attribute,
6668 output_enumeration_type_die, output_structure_type_die,
6669 output_union_type_die, output_type): Likewise.
6670 * expr.c (safe_from_p, expand_expr): Likewise.
6671 * function.c (assign_parms): Likewise.
6672 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
6673 * tree.c (build_array_type, build_function_type,
6674 build_method_type, build_offset_type, build_complex_type): Likewise.
6675 * c-parse.c, c-parse.h: Regenerated.
6677 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6679 * config/c4x/rtems.h: Include config/rtems.h.
6681 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
6683 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
6684 decl is a FUNCTION_DECL
6686 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
6688 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
6689 function uses output registers. Don't save RP for leaf functions.
6690 Do save RP even if no epilogue.
6691 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
6692 (CALL_USED_REGISTERS): Unmark in registers.
6693 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
6696 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6698 * config/rs6000/rs6000.md (bunordered): New expander.
6699 (bordered): New expander.
6700 (buneq): New expander.
6701 (bunge): New expander.
6702 (bungt): New expander.
6703 (bunle): New expander.
6704 (bunlt): New expander.
6705 (bltgt): New expander.
6707 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
6708 (ccr_bit_negated_p): New function.
6709 (print_operand): For %C, generate appropriate cror for UNEQ,
6710 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
6712 2000-03-20 Andreas Jaeger <aj@suse.de>
6714 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
6717 * tree.h (safe_for_unsave): Prototype.
6719 2000-03-20 Richard Henderson <rth@cygnus.com>
6721 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
6722 (combine_stack_adjustments_for_block): Don't allow sp references
6723 in the side of a set we're not fixing up.
6724 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
6725 after life_analysis.
6727 2000-03-20 Richard Henderson <rth@cygnus.com>
6729 * calls.c (expand_call): Don't bother generating tail call
6730 sequences if there are pending cleanups. Use
6731 expand_start_target_temps/expand_end_target_temps to elide
6732 cleanups created during sibcall expansion.
6734 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6736 * configure.in: Set $IFS to a value if it doesn't already have one
6737 in the --enable-checking handling.
6738 * configure: Regenerate.
6740 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6742 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
6743 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6746 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
6748 * jump.c (delete_noop_moves): Remove code attempting to
6749 combine stack adjustments.
6751 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6753 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
6754 * except.c (emit_cleanup_handler): Use them.
6755 (expand_end_all_catch): Likewise.
6756 * function.c (fixup_var_refs): Likewise.
6757 (expand_function_end): Clear catch_clauses_last.
6758 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
6759 * except.h (struct eh_status): New field x_catch_clauses_last.
6760 (catch_clauses_last): New define.
6762 * Makefile.in (tree.o): Depend on HASHTAB_H.
6763 * tree.c: Include hashtab.h.
6764 (struct type_hash): Remove next field.
6765 (TYPE_HASH_SIZE): Remove.
6766 (TYPE_HASH_INITIAL_SIZE): New define.
6767 (type_hash_table): Change type to htab_t.
6768 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
6769 mark_hash_entry): New functions.
6770 (init_obstacks): Allocate type hash.
6771 (type_hash_lookup): Use htab functions.
6772 (type_hash_add, mark_type_hash): Likewise.
6773 (dump_tree_statistics): Call print_type_hash_statistics.
6775 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6777 * rs6000/t-aix41: New file.
6779 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
6781 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
6783 * tm.texi (Driver): Fix typos and tweak entry for
6785 Move misplaced STRUCT_FORCE_BLK entry ...
6786 (Storage Layout): ... to here.
6787 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
6789 2000-03-19 Richard Henderson <rth@cygnus.com>
6791 * flow.c (delete_block): Delete the addr_vec along with the block.
6792 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
6795 * fold-const.c (extract_muldiv): Apply type check for defined
6796 overflow to multiply as well as divide.
6798 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
6800 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6802 * emit-rtl.c (remove_unncessary_notes): Check that all
6803 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
6804 associated NOTE_BLOCK.
6805 * function.h (identify_blocks): Update comments.
6806 (reorder_blocks): Declare.
6807 * function.c (identify_blocks): Don't take paramters.
6808 (reorder_blocks): Don't take parameters.
6809 * loop.h (find_loop_tree_blocks): Remove.
6810 (unroll_block_trees): Likewise.
6811 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
6812 reorder_blocks instead of unroll_block_trees.h
6813 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
6814 * stmt.c (find_loop_tree_blocks): Remove.
6815 (unroll_block_trees): Likewise.
6816 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
6817 in whole-function mode.
6818 * tree.h (reorder_blocks): Remove declaration.
6820 * expr.c: Include intl.h.
6821 * Makefile.in (expr.o): Depend on intl.h.
6823 2000-03-18 Richard Henderson <rth@cygnus.com>
6825 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
6827 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6829 * tree.h (tree_index): Remove enumerals for integer types.
6830 (integer_type_kind): New type.
6831 (integer_types): New variable.
6832 (char_type_node): Adjust.
6833 (signed_char_type_node): Likewise.
6834 (unsigned_char_type_node): Likewise.
6835 (short_integer_type_node): Likewise.
6836 (short_unsigned_type_node): Likewise.
6837 (integer_type_node): Likewise.
6838 (unsigned_type_node): Likewise.
6839 (long_integer_type_node): Likewise.
6840 (long_unsigned_type_node): Likewise.
6841 (long_long_integer_type_node): Likewise.
6842 (long_long_unsigned_type_node): Likewise.
6843 * tree.c (integer_types): New variable.
6844 (init_obstacks): Register it as a root.
6846 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
6848 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
6849 NEXT_INSN. Update last insn in chain.
6851 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
6853 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
6854 with TYPE_DECL_SUPPRESS_DEBUG set.
6856 2000-03-18 Richard Henderson <rth@cygnus.com>
6858 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
6860 2000-03-18 Richard Henderson <rth@cygnus.com>
6862 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
6863 care for HALF_PIC_P.
6864 (expander_call_insn_operand): Remove.
6865 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
6866 * i386.h (PREDICATE_CODES): Update.
6867 * i386.md (all call expanders): Remove predicates, remove special
6868 handling for half-pic.
6869 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
6870 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
6871 (sibcall_epilogue): New.
6873 2000-03-17 Richard Henderson <rth@cygnus.com>
6875 * rtlanal.c (single_set): Reject if the parallel has anything
6876 except SET or USE or CLOBBER.
6878 2000-03-17 Jeff Law <law@cygnus.com>
6879 Richard Henderson <rth@cygnus.com>
6881 * Makefile.in (OBJS): Add sibcall.o.
6883 * sibcall.c: New file.
6884 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
6885 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
6886 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
6887 Emit sibcall patterns when requested. Update all callers.
6888 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
6889 elimination seems feasable.
6890 * final.c (leaf_function_p): Sibling calls don't discount being
6892 * flow.c (HAVE_sibcall_epilogue): Provide default.
6893 (find_basic_blocks_1): Sibling calls don't throw.
6894 (make_edges): Make edge from sibling call to EXIT.
6895 (propagate_block): Don't remove sibcall_epilogue insns.
6896 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
6897 (sibcall_epilogue): New.
6898 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
6899 (identify_blocks_1): Likewise. Break out from ...
6900 (identify_blocks): ... here.
6901 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
6902 (reorder_blocks): ... here.
6903 (init_function_for_compilation): Zap prologue/epilogue as varrays.
6904 (record_insns): Extend a varray instead of mallocing new memory.
6905 (contains): Read a varray not array of ints.
6906 (sibcall_epilogue_contains): New.
6907 (thread_prologue_and_epilogue_insns): Emit and record
6908 sibcall_epilogue patterns.
6909 (init_function_once): Allocate prologue/epilogue varrays.
6910 * genflags.c (gen_insn): Treat sibcall patterns as calls.
6911 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
6913 (save_for_inline_nocopy): ... here.
6914 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
6916 (expand_inline_function): ... here.
6917 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
6918 (subst_constants): Handle 'n' formats.
6919 * jump.c (jump_optimize_minimal): New.
6920 (jump_optimize_1): New arg `minimal'; update callers. Elide most
6921 optimizations if it's set.
6922 * rtl.c (copy_rtx): Do copy jump & call for insns.
6923 * rtl.h (struct rtx_def): Document use of jump and call for insns.
6924 (SIBLING_CALL_P): New.
6925 (sibcall_use_t): New.
6926 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
6927 Invoke optimize_sibling_and_tail_recursive_calls.
6928 * tree.c (lang_safe_for_unsave): New.
6929 (safe_for_unsave): New.
6930 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
6932 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
6933 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
6934 (*sibcall_osf_1, *sibcall_value_osf_1): New.
6936 2000-03-17 Mark Mitchell <mark@codesourcery.com>
6938 * objc/objc-act.c (encode_method_prototype): Pass types, not
6939 PARM_DECLs, to int_size_in_bytes.
6941 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
6943 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
6945 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6946 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
6948 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6950 * Clean up usages of TREE_INT_CST_LOW.
6951 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
6952 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6954 * c-tree.h (min_precision): Move declaration to here.
6955 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
6956 (build_unary_op, add_pending_init): Use bit_position.
6957 (pending_init_member, process_init_element): Likewise.
6958 (really_start_incremental_init, push_init_level, pop_init_level):
6959 Don't make copies of nodes or modify them in place, use consistent
6960 types when tracking positions, and use tree routines computations.
6961 (set_init_index, output_init_element): Likewise.
6962 (output_pending_init_elements, process_init_element): Likewise.
6963 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
6964 tree_low_cst and int_bit_position; also minor cleanup.
6965 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
6966 (print_cst_octal): Precision is unsigned.
6967 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
6968 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
6969 (simple_type_align_in_bits): Result is unsigned int.
6970 Use tree_int_low_cst and host_integerp.
6971 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
6972 (field_byte_offset): Result is HOST_WIDE_INT.
6973 Change types of internal variables so alignments are unsigned int,
6974 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
6975 Use host_integerp, tree_low_cst, and int_bit_position.
6976 (add_bit_offset_attribute): Likewise.
6977 (add_data_member_location_attribute): Use tree_cst_low.
6978 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
6979 (add_bit_size_attribute): Use tree_low_cst.
6980 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
6981 * dwarfout.c: Similar changes to dwarf2out.c.
6982 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
6983 * genoutput.c (n_occurences): Return -1 for null string.
6984 (strip_whitespace): Accept null string and make into function.
6985 (scan_operands): Reflect above changes.
6986 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
6987 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
6988 * ssa.c (rename_registers): Add missing cast of arg to bzero.
6989 * tree.c (int_size_in_bytes): Check for too big to represent.
6990 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
6991 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
6993 (min_precision): Delete from here.
6994 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
6995 and int_bit_position.
6996 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
6997 (encode_method_def): Likewise.
6998 (build_ivar_list_initializer): Use int_bit_position.
6999 (generate_shared_structures): Convert size.
7000 (encode_type, encode_complete_bitfield): Use integer_zerop.
7001 (encode_bitfield): Use tree_low_cst and int_bit_position.
7003 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7005 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7007 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7009 * call.c (special_function_p): It is only malloc if it returns
7012 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7014 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7015 (C33_FLAG, TARGET_C3X): Add macros.
7016 (TARGET_SWITCHES): Add -m33 option.
7017 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7019 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7021 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
7022 (PARALLEL_PACK_FLAG): Delete.
7023 (TARGET_SWITCHES): Update.
7024 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
7026 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7028 * fold-const.c (fold): Fix a few cases when the returned result
7029 is not of the same type as the input.
7031 2000-03-16 Nick Clifton <nickc@cygnus.com>
7033 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
7036 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7038 * libgcc2.h: Move prototypes above macros with the same name.
7039 Wrap some function prototypes in the conditional which indicates
7040 whether they are supported, i.e. "BITS_PER_UNIT == 8".
7042 2000-03-16 Richard Henderson <rth@cygnus.com>
7044 * calls.c: Revert last two changes.
7046 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
7048 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
7049 has exponent 0 is a zero.
7051 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
7052 HASH may already be nonzero. Add code/mode into hash value
7053 immediately after repeat label.
7054 (cselib_lookup): Don't leave the hash table in an inconsistent
7055 state before a hash lookup operation.
7057 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
7059 * i386.md (all HI and QI mode non-move patterns): Conditionize
7060 by TARGET_[HQ]IMODE_MATH.
7061 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7062 x86_promote_qi_regs): Declare.
7063 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
7064 TARGET_PROMOTE_QI_REGS): New macros.
7065 (PROMOTE_MODE): New macro.
7066 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7067 x86_promote_qi_regs): New global variables.
7069 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
7071 * calls.c (emit_library_call_value_1): Break out from ...; handle
7072 VOIDmode function calls too.
7073 (emit_library_call_value): ... here.
7074 (emit_library_call): Implement by calling emit_library_call_value_1.
7076 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
7078 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
7079 Update arg_space_so_far on stack adjustments.
7080 (emit_library_call, emit_library_call_value): Likewise; take into
7081 account arg_space_so_far and pending_stack_adjust when calculcating
7084 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
7086 * flow.c: Move all basic block reordering code into its own file.
7087 (create_basic_block): Externalize.
7088 * bb-reorder.c: New file. Copy all basic block reordering code from
7089 flow.c to this file.
7090 (reorder_basic_blocks): Fix fencepost error in for-loop.
7091 (reorder_basic_blocks): Remove braces from single statement for-loops.
7092 * basic-block.h: Add declaration for create_basic_block.
7093 * Makefile.in: Add rules for bb-reorder.o.
7095 2000-03-16 Neil Booth <NeilB@earthling.net>
7097 * cppinit.c (handle_option): Implement #unassert directive
7098 as -A- command line option.
7099 (print_help): Update.
7100 * cpptexi.c: Update.
7102 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
7104 * md.texi (Standard Names): Document `jump'.
7106 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7108 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
7111 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7113 Merge changes from newppc-branch onto trunk.
7115 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7117 * rs6000.c (toc_hash_table): Update for new hash table functions.
7118 (toc_hash_function): Likewise.
7119 (toc_hash_eq): Likewise.
7120 (toc_hash_mark_entry): Likewise.
7121 (toc_hash_mark_table): Likewise.
7122 (output_toc): Likewise.
7123 (rs6000_add_gc_roots): Likewise.
7125 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7127 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
7128 (AR_FLAGS_FOR_TARGET): here. New macro.
7130 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
7132 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
7133 fpmem_operand) Delete.
7135 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
7136 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
7137 (rs6000_save_machine_status, rs6000_restore_machine_status,
7138 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
7139 references to above variables.
7140 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
7141 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
7142 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
7143 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
7144 (XER_REGNO_P, XER_REGNO): New.
7145 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
7146 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
7147 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
7149 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7150 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
7151 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
7153 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7155 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
7156 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
7157 * rs6000.h: from here.
7159 * rs6000-protos.h (rs6000_select_section): Provide prototype.
7160 (rs6000_select_rtx_section): Likewise.
7161 (rs6000_encode_section_info): Likewise.
7162 (sdata_section): Likewise.
7163 (sdata2_section): Likewise.
7164 (sbss_section): Likewise.
7165 * sysv4.h (rs6000_select_section): Delete prototype.
7166 (rs6000_select_rtx_section): Likewise.
7167 (rs6000_encode_section_info): Likewise.
7168 (sdata_section): Likewise.
7169 (sdata2_section): Likewise.
7170 (sbss_section): Likewise.
7171 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
7173 * sysv4.h: Delete various unnecessary #undef's and put a comment
7174 on the remaining ones.
7175 Change various comments according to coding standard.
7177 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
7179 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
7180 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
7181 (CR0_REGNO_P) Remove.
7182 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
7183 setup_incoming_varargs, mtcrf_operation, print_operand,
7184 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
7185 Use the above macros.
7187 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
7189 * config/rs6000/rs6000.md: Added a new alternative for each
7190 pattern that had a 'x' alternative but no 'y' alternative.
7191 Added a new split for each of the above patterns.
7193 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7195 * aix41.h (ASM_CPU_SPEC): Delete.
7196 (CPP_CPU_SPEC): Delete.
7198 * aix.h (RS6000_OUTPUT_BASENAME): Define.
7199 (ASM_OUTPUT_LABEL): Define.
7200 (ASM_GLOBALIZE_LABEL): Define.
7201 (STRIP_NAME_ENCODING): Define.
7202 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
7203 (STRIP_NAME_ENCODING): Don't define.
7204 (ASM_OUTPUT_LABEL): Don't define.
7205 (ASM_GLOBALIZE_LABEL): Don't define.
7206 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
7207 names, and ASM_OUTPUT_LABEL to output labels, rather than
7209 (ASM_OUTPUT_LABEL): Define.
7210 (ASM_OUTPUT_INT): Use assemble_name.
7211 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
7212 (STRIP_NAME_ENCODING): Don't undefine first.
7213 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
7215 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
7216 specified with 'asm' even with -fleading-underscore.
7217 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
7218 (output_epilog): Likewise.
7219 (output_toc): Likewise.
7220 * tramp.asm: Handle -fleading-underscore correctly.
7222 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
7224 (nonlocal_goto_receiver): Delete.
7225 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
7227 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
7228 (SET_ASM_OP): Define.
7229 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
7231 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
7234 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
7235 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
7237 * rs6000.h: Add 'u' to more constants.
7239 2000-02-18 David Edelsohn <edelsohn@gnu.org>
7241 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
7243 2000-02-15 David Edelsohn <edelsohn@gnu.org>
7245 * rs6000.c (reg_or_u_cint_operand): New function.
7246 (logical_operand): Handle 64-bit hosts.
7247 (logical_u_operand): New function.
7248 (non_logical_cint_operand): Handle 64-bit hosts.
7249 (non_logical_u_cint_operand): New function.
7250 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
7251 (PREDICATE_CODES): Define new functions.
7252 * rs6000-protos.h: Declare new functions.
7253 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
7254 (movdi_64): Bracket code intended for 64-bit hosts. Create
7255 CONST_DOUBLE for 32-bit values.
7256 (scc insns): Generate DImode compares.
7257 (mfcr insns): Create DImode versions.
7258 (sge matchers): New patterns.
7260 2000-02-15 Gabriel Paubert <paubert@iram.es>
7262 * rs6000.md: Correct instructions length attributes and
7263 constraints on unsigned compare instructions.
7264 (*ne0): Disable for PowerPC64.
7266 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7268 * rs6000.c (output_function_profiler): Use .long for a 32-bit
7269 quantity, fix profile1.C test failure under -fPIC.
7271 * rs6000.c: Add 'u' to many constants to suppress warnings.
7272 (constant_pool_expr_1): Make static.
7273 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
7274 * rs6000.h: Add 'u' to many constants to suppress warnings.
7276 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
7277 for the start of the TOC, instead of LCTOC..0.
7278 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
7280 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
7281 (load_toc_aix_di): Use LCTOC..1.
7283 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
7284 * rs6000.c (rs6000_legitimize_address): New function from
7285 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
7286 symbols in the constant pool that really are TOC references.
7287 (print_operand_address): For ELF, write TOC offsets under
7288 -fPIC as subtractions in the insn.
7289 (output_toc): For ELF, define symbols in TOC as normal labels,
7291 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
7292 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
7293 (create_TOC_reference): Prototype only when RTX_CODE is defined.
7294 * rs6000.md (movsi): Only use create_TOC_reference on
7295 symbols in the constant pool that really are TOC references.
7297 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
7298 * rs6000.c (rs6000_reorg): Delete.
7299 * rs6000-protos.h (rs6000_reorg): Delete.
7301 2000-02-09 Geoff Keating <geoffk@cygnus.com>
7303 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
7305 * aix.h (SETUP_FRAME_ADDRESSES): Define.
7306 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
7307 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
7308 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
7309 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
7310 rs6000_aix_emit_builtin_unwind_init.
7311 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
7312 rs6000_emit_eh_toc_restore on AIX.
7313 (return_eh_si): Use r2.
7314 (return_eh_di): Use r2.
7316 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
7317 since we're breaking binary compatibility anyway.
7319 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7321 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
7322 constant_pool_expr_p): Declare them.
7323 (constant_pool_expr_p): Declare it.
7324 * config/rs6000/rs6000.c (toc_label_name): Define.
7325 (rs6000_override_options): Set toc_label_name.
7326 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
7327 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
7328 uses_TOC): New functions.
7329 (print_operand): Delete old '*' case.
7330 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
7331 and strip off rtl for TOC before calling output_addr_const.
7332 (rs6000_emit_load_toc_table): Use toc_label_name.
7333 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
7335 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
7336 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
7337 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
7338 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
7339 into explicit TOC_REGISTER offsets.
7340 (TOC_REGISTER): New macro.
7341 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
7342 TARGET_TOC to reference TOC_REGISTER.
7343 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
7344 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
7345 uses_TOC before emitting label references.
7347 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7349 * rs6000.md (stack_tie): Fix warning.
7351 * eabi-ctors.c: Use 'asm' names for the start/end variables,
7352 to handle -fleading-underscore.
7353 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
7354 (USER_LABEL_PREFIX): New macro.
7355 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
7356 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
7357 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
7358 call-linux can use the same multilibs.
7359 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
7360 and call-linux multilibs. Do multilib with -fleading-underscore.
7361 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
7362 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
7365 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
7366 have MASK_SOFT_FLOAT set.
7367 (CPP_FLOAT_DEFAULT_SPEC): New macro.
7368 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
7369 CPP_FLOAT_DEFAULT_SPEC.
7371 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
7372 * rs6000.md: Whitespace change.
7373 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
7374 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
7376 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7378 * rs6000.md (eh_epilogue): New expander.
7379 (eh_reg_restore): New expand/split/insn combination.
7380 (return_eh_si): New insn.
7381 (return_eh_di): New insn.
7383 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
7384 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
7385 * eabi-ctors.c (__do_global_ctors): Register this object's
7386 frame. Clean up. Call atexit() after the constructors.
7387 (__do_global_dtors): Deregister this object's frame. Clean up.
7388 Allow for recursive calls to exit().
7389 * rs6000.c (fixuplabelno): New variable.
7390 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
7391 TARGET_RELOCATABLE, it slows down exec() under linux.
7392 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
7394 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
7395 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
7396 (ASM_OUTPUT_DWARF_DELTA2): New macro.
7397 (ASM_OUTPUT_DWARF_DELTA4): New macro.
7398 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
7399 (ASM_OUTPUT_DWARF_ADDR): New macro.
7400 (ASM_OUTPUT_DWARF_DATA4): New macro.
7401 (ASM_OUTPUT_DWARF_DATA2): New macro.
7402 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
7403 (ASM_OUTPUT_DWARF_OFFSET): New macro.
7404 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
7406 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7408 * rs6000.c (rs6000_sr_alias_set): New variable.
7409 (rs6000_override_options): Initialise rs6000_sr_alias_set.
7410 (rs6000_emit_stack_tie): New function.
7411 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
7412 in a way that dwarf2out can understand.
7413 (rs6000_frame_related): New function.
7414 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
7415 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
7416 Use rs6000_emit_stack_tie when needed.
7417 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
7418 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
7419 * rs6000.md (stack_tie): New insn.
7420 (return_internal_si): Allow return value to be in the count
7422 (return_internal_di): Likewise.
7424 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
7426 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7428 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
7430 2000-01-31 Geoff Keating <geoffk@cygnus.com>
7432 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
7434 * rs6000.md (stmw): Use the right POWER opcode.
7437 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7439 * rs6000-protos.h: New file.
7441 * rs6000.c: Include tm_p.h. Fix compile time warnings.
7443 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
7446 * sysv4.h: Likewise.
7448 2000-01-28 Geoff Keating <geoffk@cygnus.com>
7450 * ../../configure.in: Delete powerpcle-*-winnt*
7451 and powerpcle-*-pe|powerpcle-*-cygwin*.
7452 * ../../configure: Regenerated.
7454 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
7455 (TARGET_WINDOWS_NT): Delete.
7457 (CALL_NT_DLLIMPORT): Delete.
7458 Delete NT-specific code.
7459 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
7462 * nt-ci.asm: Delete.
7463 * nt-cn.asm: Delete.
7464 * ntstack.asm: Delete.
7466 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7468 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
7469 (ASM_FILE_START): Likewise.
7470 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7471 (ASM_OUTPUT_LABELREF): Likewise.
7472 (ASM_OUTPUT_SKIP): Likewise.
7473 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
7474 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7475 (ASM_OUTPUT_CASE_LABEL): Likewise.
7476 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7477 (ASM_OUTPUT_ASCII): Likewise.
7479 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
7481 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
7482 reload_toc_labelno for non-prologue TOC reloads. Also, don't
7483 increment rs6000_pic_labelno here.
7484 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
7485 and increment rs6000_pic_labelno here.
7487 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
7489 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
7490 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
7491 allocation knows (reg) is dead before the insn.
7493 2000-01-21 Geoff Keating <geoffk@cygnus.com>
7495 * rs6000.md (movsi_to_cr): Correct typo in output template.
7497 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7499 * rs6000.c (rs6000_pic_labelno): Always define.
7500 (rs6000_pic_func_labelno): Delete.
7501 (lmw_operation): Check for a zero base register,
7502 which doesn't mean what we want.
7503 (stmw_operation): New function.
7504 (print_operand): Define new 'l' modifier.
7505 (rs6000_stack_info): We must save all 64 bits of the registers
7506 if TARGET_POWERPC64.
7507 (rs6000_output_load_toc_table): Delete.
7508 (rs6000_emit_load_toc_table): New function.
7509 (rs6000_allocate_stack_space): Delete.
7510 (rs6000_emit_allocate_stack): New function.
7511 (rs6000_emit_prologue): New function.
7512 (output_prolog): Use rs6000_emit_prologue.
7513 (rs6000_emit_epilogue): Change a few variable names to be
7514 more accurate. Restore all 64 bits of the registers if
7515 TARGET_POWERPC64. Only restore the FP registers which were used
7516 if they are being saved/restored one-at-a-time.
7517 (output_mi_thunk): Delete inefficient code generation.
7518 (output_function_profiler): Don't use rs6000_output_load_toc_table.
7519 * rs6000.h: Declare rs6000_emit_load_toc_table,
7520 rs6000_allocate_stack_space, stmw_operation. Don't declare
7521 rs6000_output_load_toc_table.
7522 * rs6000.md (elf_high): Allow register 0, but discourage it
7524 (elf_low): Support loading into register 0.
7525 (load_toc_aix_si): New pattern.
7526 (load_toc_aix_di): New pattern.
7527 (load_toc_v4_pic_si): New pattern.
7528 (load_toc_v4_pic_di): New pattern.
7529 (load_toc_v4_PIC_1): New pattern.
7530 (load_toc_v4_PIC_1b): New pattern.
7531 (load_toc_v4_PIC_2): New pattern.
7532 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
7533 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
7534 (prologue): New expander.
7535 (movesi_from_cr): New pattern.
7536 (stmw): New pattern.
7537 (save_fpregs_si): New pattern.
7538 (save_fpregs_di): New pattern.
7540 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7542 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
7547 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7549 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
7551 (movsi_got_internal): Likewise.
7552 (movsi_got_internal+1): Likewise.
7553 (set_sp): 'unspec 7' does a SImode clobber.
7555 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7557 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
7558 allocate a stack temporary.
7559 (floatsidf2_internal): Likewise.
7560 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
7562 (floatunssidf2): Don't use the fpmem "register", just
7563 allocate a stack temporary.
7564 (floatunssidf2_internal): Likewise.
7565 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
7567 (floatsidf2_loadaddr): Delete.
7568 (floatsidf2_store1): Delete.
7569 (floatsidf2_store2): Delete.
7570 (floatsidf2_load): Delete.
7571 (fix_truncdfsi2): Don't use the fpmem "register", just
7572 allocate a stack temporary.
7573 (fix_truncdfsi2_internal_si): Delete.
7574 (fix_truncdfsi2_internal_di): Delete.
7575 (fix_truncdfsi2_internal): New insn.
7576 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
7577 (fix_truncdfsi2_store): Delete.
7578 (fix_truncdfsi2_load): Delete.
7579 (fctiwz): Produce gen_fctiwz.
7581 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7583 * eabi.h (INVOKE__main): Define.
7584 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
7586 (rs6000_emit_prologue): Likewise.
7587 * rs6000.h (struct rs6000_stack): Don't keep track of whether
7588 this is the main program.
7590 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7592 * rs6000.c (rs6000_va_arg): Delete some unused variables.
7594 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7596 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
7597 goes after the argument.
7599 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7601 * rs6000.md: Document 'unspec' values used.
7602 (epilogue): New expander.
7603 (movesi_to_cr_one): New expander.
7604 (movesi_to_cr and following): New pattern.
7606 (return_internal_si): New pattern.
7607 (return_internal_di): New pattern.
7608 (return_and_restore_fpregs_si): New pattern.
7609 (return_and_restore_fpregs_di): New pattern.
7610 * rs6000.h: Declare new functions.
7611 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
7612 rather than rs6000_calls_p.
7613 (rs6000_makes_calls): Delete.
7614 (lmw_operation): New function.
7615 (mtcrf_operation): New function.
7616 (rs6000_emit_epilogue): New function.
7617 (output_epilog): Call rs6000_emit_epilogue and final if
7618 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
7620 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7622 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
7623 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
7624 * aix.h (SUBTARGET_SWITCHES): Document switches.
7625 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
7626 sched-prolog and sched-epilog the same. Document all the
7628 (TARGET_OPTIONS): No longer allow -mdebug-.
7630 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7632 * rs6000.h (ASM_FILE_END): Move to aix.h.
7633 (EXTRA_SECTIONS): Move to aix.h.
7634 (READONLY_DATA_SECTION): Move to aix.h.
7635 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
7636 (SELECT_SECTION): Move to aix.h.
7637 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
7638 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
7639 (LINK_REGISTER_REGNUM): New definition.
7640 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
7641 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
7643 * sysv4.h: Delete the code between the inclusion of rs6000.h
7645 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
7646 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
7647 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
7648 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
7649 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
7650 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
7651 (fix_truncdfsi2_internal_di): New pattern.
7652 (fix_truncdfsi2_store): The second arg here is Pmode too.
7653 (fix_truncdfsi2_load): The second arg here is Pmode too.
7654 (tablejumpdi): Now that switch tables hold only SImode values,
7655 gcc needs to know how to add them to the pc which is DImode.
7656 * rs6000.c (rs6000_stack_info): Use symbolic name for
7657 LINK_REGISTER_REGNUM.
7658 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
7659 (output_toc): Delete unused variables s1 and s2.
7660 (output_ascii): Use fputs not fprintf on a variable string.
7662 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7664 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7665 * aix43.h: Revert Aug 2 change.
7666 (HAS_INIT_SECTION): Define, not visible yet.
7667 (LD_INIT_SWITCH): Define, not visible yet.
7668 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7670 2000-01-04 Joel Sherrill (joel@OARcorp.com>
7672 * config/rs6000/rtems.h: Include config/rtems.h.
7674 2000-01-04 David Edelsohn <edelsohn@gnu.org>
7676 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
7677 (SLOW_UNALIGNED_ACCESS): Define.
7678 (CASE_VECTOR_MODE): Always use 32-bit offsets.
7679 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
7680 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
7681 (toc_section): Likewise and .toc pseudo-op.
7682 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
7684 (TEXT_SECTION_ASM_OP): Likewise.
7685 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
7688 1999-12-17 Jakub Jelinek <jakub@redhat.com>
7690 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
7691 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
7694 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7696 * rs6000.h: Move more stuff from here...
7698 * sysv4.h: Cleanup accordingly.
7699 * netware.h: Likewise
7701 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7703 * rs6000.h: Continue cleanup.
7706 * netware.h: Likewise.
7708 * sysv4.h: Likewise.
7709 * win-nt.h: Likewise.
7711 * rs6000.h (TARGET_SWITCHES): Add descriptions.
7712 (TARGET_OPTIONS): Likewise.
7714 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
7715 (SUBTARGET_OPTIONS): Likewise.
7717 * rs6000.md: Fix compile time warnings.
7719 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7721 vxworks patches from the Cygnus tree originally by
7722 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
7723 <vmakarov@cygnus.com>.
7724 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
7725 (ENDFILE_SPEC): Likewise.
7726 (LIB_VXWORKS_SPEC): New macro.
7727 (STARTFILE_VXWORKS_SPEC): New macro.
7728 (ENDFILE_VXWORKS_SPEC): New macro.
7729 (LINK_START_VXWORKS_SPEC): New macro.
7730 (LINK_OS_VXWORKS_SPEC): New macro.
7731 (CPP_OS_VXWORKS_SPEC): New macro.
7732 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
7733 * vxppc.h: Rewrite to use proper configuration method.
7734 * vxppcle.h: New file.
7735 * ../../configure.in: Add powerpcle-wrs-vxworks*.
7736 * ../../configure: Rebuilt.
7738 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7740 Lots of changes to rs6000.h, sysv4.h, aix.h,
7741 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
7742 with the aim that rs6000.h is the first header
7743 included and the others override it.
7746 * x-aix41-gld: Remove.
7748 * x-aix41: Remove target-specific switches, and don't specify
7749 -Wl,-bbigtoc as we don't need it any more.
7750 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
7751 Use t-aix43 for AIX 4.3 and above.
7752 * ../../configure: Regenerated.
7754 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
7755 options, that don't do anything yet.
7756 (MASK_SCHED_PROLOG): New macro.
7757 (MASK_SCHED_EPILOG): New macro.
7758 (TARGET_SCHED_PROLOG): New macro.
7759 (TARGET_SCHED_EPILOG): New macro.
7761 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7763 * rs6000.c: Correct comment, the `minimal' TOCs are actually
7764 one per translation unit, not one per function.
7765 (output_toc): Also do duplicate constant elimination
7766 for per-translation-unit TOCs.
7768 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
7769 a comment explaining _exactly_ when this pattern gets used.
7770 (builtin_setjmp_receiver): New pattern for better clarity.
7771 (init_v4_pic): Move it into a section dealing with TOC registers.
7773 1999-12-30 Geoff Keating <geoffk@cygnus.com>
7775 * rs6000.c (toc_hash_table): New variable.
7776 (rs6000_hash_constant): New function.
7777 (toc_hash_function): New function.
7778 (toc_hash_eq): New function.
7779 (toc_hash_mark_entry): New function.
7780 (toc_hash_mark_table): New function.
7781 (output_toc): Don't output duplicate TOC entries in
7783 (rs6000_add_gc_roots): Add the hash table as a GC root.
7784 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
7785 where they clearly shouldn't be. This may need to be fixed
7786 later when there is a GNU ar for AIX.
7787 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
7788 Don't define BOOT_LDFLAGS as it is now not necessary.
7790 1999-12-29 Geoff Keating <geoffk@cygnus.com>
7792 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
7793 for va_list on AIX. Use unsigned_char_type_node rather than
7794 constructing our own version on svr4.
7796 1999-12-17 Geoff Keating <geoffk@cygnus.com>
7798 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
7799 since patently it's not.
7801 1999-12-08 Geoff Keating <geoffk@cygnus.com>
7803 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
7804 define_expand/define_insn pair, and handle restore of the
7805 SVR4 -fpic register.
7807 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
7809 * acconfig.h (HAVE_GAS_WEAK): New define.
7810 * configure.in (assembler weak support): Check for .weak support.
7811 * config.in, configure: Rebuilt.
7812 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
7813 HAVE_GAS_WEAK is defined.
7815 2000-03-15 Nick Clifton <nickc@cygnus.com>
7817 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
7820 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
7822 * cppfiles.c (open_include_file): New function.
7823 (find_include_file, cpp_read_file): Use it.
7825 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7827 * cpphash.c (dump_hash_helper): Take the slot, not the element.
7829 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
7831 * flow.c (verify_flow_info): Check for unconditional return.
7833 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
7835 * config/ia64/ia64.md (restore_stack_nonlocal): New.
7836 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
7837 (__ia64_restore_stack_nonlocal): New.
7838 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
7840 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7842 * cpphash.c (collect_formal_parameters): Do not complain about
7843 parameter names that just start with `__VA_ARGS__'.
7845 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
7847 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
7848 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
7849 * i386.c (pentiumpro_cost): Set mul cost to 4.
7850 (x86_use_movx): Set for PPro.
7852 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
7854 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
7855 STACK_BOUNDARY for empty frames now.
7857 2000-03-14 Mark Mitchell <mark@codesourcery.com>
7859 * stor-layout.c (layout_union): Remove.
7860 (layout_union_field): New function, split out from layout_union.
7861 (finish_union_layout): Likewise.
7862 (layout_field): Handle unions by calling layout_union_field.
7863 (finish_record_layout): Handle unions.
7864 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
7865 QUAL_UNION_TYPE handling.
7867 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
7869 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
7870 end of basic block is jump_insn, not barrier; use create_basic_block
7871 instead of creating basic block by hand.
7873 2000-03-14 Jason Eckhardt <jle@cygnus.com>
7875 * flow.c (reorder_basic_blocks): Account for barriers when writing
7876 over NEXT_INSN (last_bb->end).
7877 (verify_flow_info): Add check for missing barriers.
7879 2000-03-14 Greg McGary <gkm@gnu.org>
7881 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
7882 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
7883 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
7884 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
7885 __unbounded, __unbounded__): New keywords.
7886 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
7887 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
7888 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
7890 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
7892 * cselib.h: New file.
7893 * alias.c: Include "cselib.h".
7894 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
7895 MEMs as two new arguments.
7896 (get_addr): New static function.
7897 (find_base_term): Handle VALUEs.
7898 (memrefs_conflict_p): Likewise.
7899 (true_dependence): Call get_addr on the addresses.
7900 Call fixed_scalar_and_varying_struct_p with addresses that have been
7901 passed through get_addr and canon_rtx.
7902 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
7903 with true_dependence.
7904 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
7905 * loop.c: Include "cselib.h".
7906 (load_mems): Process extended basic block that enters the loop with
7907 cselib. Use that information to change initialization of the shadow
7908 register so that a constant equivalence is seen by later passes.
7909 * reload1.c: Include "cselib.h".
7910 (reload_cse_invalidate_regno): Delete function.
7911 (reload_cse_mem_conflict_p): Likewise.
7912 (reload_cse_invalidate_mem): Likewise.
7913 (reload_cse_invalidate_rtx): Likewise.
7914 (reload_cse_regno_equal_p): Likewise.
7915 (reload_cse_check_clobber): Likewise.
7916 (reload_cse_record_set): Likewise.
7917 (reg_values): Delete static variable.
7918 (invalidate_regno_rtx): Likewise.
7919 (reload_cse_delete_noop_set): New static function.
7920 (reload_cse_simplify): New static function, broken out of
7922 (reload_cse_noop_set_p): Delete unused argument INSN.
7923 Just call rtx_equal_for_cselib_p on set source and destination.
7924 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
7925 reload_cse_delete_noop_set. Delete code to keep track of values; use
7926 cselib functions instead. Delete code to push/pop obstacks.
7927 (reload_cse_simplify_set): Use cselib to find equivalent values.
7928 Delete code to push/pop obstacks.
7929 (reload_cse_simplify_operands): Likewise.
7930 * rtl.def (VALUE): New rtx code.
7931 * rtl.h (union rtunion_def): New elt rt_cselib.
7932 (X0CSELIB, CSELIB_VAL_PTR): New macros.
7933 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
7934 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
7935 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
7936 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
7937 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
7938 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
7939 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
7940 cselib_record_set, cselib_record_sets): New static functions.
7941 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
7942 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
7943 references_value_p): New functions.
7944 (MAX_USELESS_VALUES, REG_VALUES): New macros.
7945 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
7946 n_useless_values, reg_values, callmem, cselib_obstack,
7947 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
7948 New static variables.
7949 * varray.h (union varray_data_tag): New elt te.
7950 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
7951 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
7954 2000-03-14 Nick Clifton <nickc@cygnus.com>
7956 * gcc.c (do_spec_1): Catch the case where %* is used in a
7957 substitution pattern, but it has not been initialised.
7958 Issue a meaningful error message if an unrecognised operator
7959 is encountered in a spec string.
7961 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
7963 * function.c (prepare_function_start): Correctly initialize
7964 cfun->stack_alignment_needed.
7966 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
7968 * cppfiles.c (find_include_file): Don't assume nshort is a
7971 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
7973 * configure.in (hppa configurations): Add pa32-regs.h to the
7974 list of tm files as appropriate.
7975 * configure: Rebuilt.
7976 * pa.c (compute_frame_size): Remove explicit knowledge about FP
7978 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
7979 (fmpyaddoperands, fmpysuboperands): Likewise.
7980 * pa.h: Remove various definitions which depend on knowing
7981 how registers are numbered.
7982 * pa32-regs.h: New file with PA32 register numbering specific
7985 2000-03-14 Richard Henderson <rth@cygnus.com>
7987 * regmove.c (combine_stack_adjustments): New.
7988 (stack_memref_p, single_set_for_csa): New.
7989 (free_csa_memlist, record_one_stack_memref): New.
7990 (try_apply_stack_adjustment): New.
7991 (combine_stack_adjustments_for_block): New.
7992 * rtl.h (combine_stack_adjustments): Declare.
7993 * toplev.c (rest_of_compilation): Call it.
7995 * i386.md: Revert 2000-01-16 change.
7997 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7999 * gccbug.in: Add web category, gcc specific classes.
8001 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8003 * stor-layout.c (finalize_record_size): Fix typo.
8005 2000-03-14 Stan Shebs <shebs@apple.com>
8007 * c-typeck.c (c_alignof): Error on incomplete types.
8008 * extend.texi (Alignment): Document this.
8010 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8012 * cppfiles.c: Include mkdeps.h.
8013 (find_include_file, read_include_file): Remove _cpp_ prefix
8014 from name, make static.
8015 (_cpp_execute_include): New function, broken out of
8018 * cpplib.c: Don't include mkdeps.h.
8019 (struct directive): Remove type field. Reorder entries. The
8020 function takes only one argument.
8021 (struct if_stack): Make type field an int.
8022 (directive_table): Rename to dtable. Generate it, the
8023 prototypes of the directive handlers, and the enum for the
8024 directive numbers, from a template macro.
8025 (do_ifndef, do_include_next, do_import): New functions.
8026 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
8027 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
8028 do_ident, do_assert, do_unassert, do_sccs): Take only one
8030 (do_sccs): Define always, but alter behavior based on
8032 (_cpp_handle_directive, consider_directive_while_skipping):
8033 Restructure for new directive table layout.
8035 (pass_thru_directive): Take a directive number, not a pointer
8036 to a struct directive.
8037 (parse_include): New function, broken out of do_include.
8038 (do_include, do_import, do_include_next): Use parse_include
8039 and _cpp_execute_include.
8040 (do_elif, do_else): Test for T_ELSE specifically when checking
8041 for #elif/#else after #else.
8042 (parse_ifdef): New function, broken out of do_ifdef.
8043 (validate_else): Expect a name arg without a leading #.
8044 (if_directive_name): Delete.
8045 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
8046 directive handlers with only one argument.
8048 * cpphash.h: Update prototypes.
8049 (enum node_type): Remove entries for directives.
8050 * Makefile.in: Update dependencies.
8052 * cpphash.c (dump_hash_helper): Only dump nodes of type
8053 T_MACRO. Emit a newline after each definition.
8055 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8057 * gccbug.in: New file.
8058 * configure.in (all_outputs): Add gccbug.
8059 * Makefile.in (install-common): Install gccbug.
8060 (GCCBUG_INSTALL_NAME): New variable.
8061 * configure: Rebuilt.
8063 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8065 * function.c (put_var_into_stack): Use type_for_mode to calculate
8066 part_type. Use MEM_SET_IN_STRUCT_P.
8067 * expr.c (store_field): Handle CONCAT.
8068 (store_constructor): Use fields_length.
8069 * tree.c (fields_length): New fn.
8070 * tree.h: Declare it.
8072 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8074 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
8075 (cpplex.o): New target.
8076 * po/POTFILES.in: Add cpplex.c.
8078 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
8079 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
8080 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
8081 skip_block_comment, skip_line_comment, skip_comment,
8082 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
8083 _cpp_parse_name, skip_string, parse_string,
8084 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
8085 _cpp_get_directive_token, find_position,
8086 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
8087 (maybe_macroexpand, _cpp_lex_token): New functions.
8089 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
8090 parse_goto_mark): Delete.
8091 (_cpp_handle_eof): New function.
8092 (_cpp_handle_directive): Rename from handle_directive.
8093 (_cpp_output_line_command): Rename from output_line_command.
8094 (do_if, do_elif): Call _cpp_parse_expr directly.
8095 * cppfiles.c (_cpp_read_include_file): Don't call
8096 init_input_buffer here.
8097 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
8098 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
8099 here; pop the token_buffer and skip the rest of the line here.
8100 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
8103 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
8105 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
8106 CPP_GOTO_MARK): New macros.
8107 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
8108 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
8109 _cpp_read_and_prescan, _cpp_init_input_buffer,
8110 _cpp_grow_token_buffer, _cpp_get_directive_token,
8111 _cpp_handle_directive, _cpp_handle_eof,
8112 _cpp_output_line_command): Prototype them here.
8113 * cpplib.h (enum cpp_token): Add CPP_MACRO.
8114 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
8115 quote_string, output_line_command): Remove.
8117 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
8119 * stmt.c (expand_end_case): RANGE may be signed, and when checking
8120 whether it is too large we must also verify that it isn't negative.
8122 2000-03-13 Jakub Jelinek <jakub@redhat.com>
8124 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
8125 (movsi_zero_liveg0): Remove.
8126 (movsf_insn_novis_liveg0): Remove.
8128 (negsi2_not_liveg0): Rename to negsi2.
8129 (one_cmplsi2): Remove.
8130 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
8131 (one_cmplsi2_liveg0): Remove.
8132 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
8133 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
8134 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
8135 (PREDICATE_CODES): Remove zero_operand.
8136 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
8137 TARGET_BROKEN_SAVERESTORE.
8138 (zero_operand): Remove.
8139 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
8140 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
8142 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
8143 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
8144 TARGET_BROKEN_SAVERESTORE): Remove.
8145 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8147 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8149 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8152 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
8154 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8156 * cpplib.c (do_pragma_implementation): Fix off-by-one error
8157 truncating a string. Don't assume tokens are nul terminated.
8158 Problem noted by Andreas Jaeger <aj@suse.de>
8160 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8162 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
8163 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
8164 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
8166 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
8168 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
8169 STRUCTURE_SIZE_BOUNDARY.
8171 2000-03-13 Mark Mitchell <mark@codesourcery.com>
8173 * tree.h (record_layout_info_s): New structure.
8174 (record_layout_info): New type.
8175 (new_record_layout_info): New function.
8176 (layout_field): Likewise.
8177 (finish_record_layout): Likewise.
8178 * stor-layout.c (layout_record): Remove.
8179 (new_record_layout_info): New function.
8180 (layout_field): New function, broken out from layout_record.
8181 (finalize_record_size): Likewise.
8182 (compute_record_mode): Likewise.
8183 (finalize_type_size): New function, broken out from layout_type.
8184 (finish_record_layout): Likewise.
8185 (layout_type): Use them.
8187 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8189 * cpphash.c: Don't include version.h.
8190 (special_symbol) [case T_VERSION]: Look for the string in
8191 hp->value.cpval; don't use version_string.
8192 * cppinit.c (initialize_builtins): Set hp->value.cpval for
8193 __VERSION__ to version_string.
8194 * Makefile.in (cpphash.o): Update deps.
8196 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8198 Convert cpplib to use libiberty/hashtab.c.
8200 * cpplib.h (struct cpp_reader): Make hashtab and
8201 all_include_files of type 'struct htab *'. Delete HASHSIZE
8202 and ALL_INCLUDE_HASHSIZE macros.
8204 * cpphash.h: Update prototypes.
8205 (struct hashnode): Remove next, prev, and bucket_hdr members.
8206 Make length a size_t. Add hash member.
8207 (struct ihash): Remove next member. Add hash member. Make
8208 name a flexible array member.
8210 * cppfiles.c: Include hashtab.h.
8211 (include_hash): Delete.
8212 (IHASHSIZE): New macro.
8213 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
8214 (cpp_included): Do the hash lookup here.
8215 (_cpp_find_include_file): Rewrite.
8216 (cpp_read_file): Put the "fake" hash entry into the hash
8217 table. Honor the control_macro, if it turns out we've seen
8218 the file before. Don't push the buffer here.
8219 (_cpp_read_include_file): Push the buffer here.
8220 (OMODES): New macro. Use it whenever we call open(2).
8222 * cpphash.c: Include hashtab.h.
8223 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
8224 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
8225 _cpp_lookup_slot): New functions.
8226 (HASHSIZE): new macro.
8227 (hashf, _cpp_install, _cpp_delete_macro): Delete.
8228 (_cpp_lookup): Use hashtab.h routines.
8230 * cppinit.c: Include hashtab.h.
8231 (cpp_reader_init): Call _cpp_init_macro_hash and
8232 _cpp_init_include_hash. Don't allocate hashtab directly.
8233 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
8234 pfile->all_include_files.
8235 (initialize_builtins): Use _cpp_make_hashnode and
8236 htab_find_slot to add hash entries.
8237 (cpp_finish): Just call _cpp_dump_macro_hash.
8238 * cpplib.c: Include hashtab.h.
8239 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
8240 create hash entries.
8241 (do_pragma_poison, do_assert): Likewise.
8242 (do_include): Don't push the buffer here. Don't increment
8243 system_include_depth unless _cpp_read_include_file succeeds.
8244 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
8246 (do_pragma_implementation): Use alloca to create copy.
8248 * Makefile.in: Update dependencies.
8250 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8252 * cppinit.c (cl_directive_handler): More K&R fixing.
8254 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
8256 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
8258 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
8260 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8262 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
8263 Change from char[] to macros.
8265 2000-03-12 Neil Booth <NeilB@earthling.net>
8267 * cppinit.c (cpp_start_read): Update indirect function
8270 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
8272 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
8275 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8276 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
8278 2000-03-11 Neil Booth <NeilB@earthling.net>
8280 * cppinit.c (struct pending option): Replace undef with a
8281 pointer to a directive handling routine.
8282 (struct cpp_pending): Replace separate assert_ and define_
8283 lists with one directive_ list.
8284 (new_pending_define): Rename new_pending_directive. Extra
8285 argument is the directive's handling routine.
8286 (handle_option): Update to use new_pending_directive.
8288 2000-03-11 Neil Booth <NeilB@earthling.net>
8290 * cppfiles.c (file_cleanup, _cpp_find_include_file,
8291 remap_filename, _cpp_read_include_file, actual_directory,
8292 hack_vms_include_specification): Replace bcopy(), index() etc
8293 calls. Add casts to some allocations. Make some variables
8294 pointers to const [unsigned] char.
8295 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
8296 collect_formal_parameters): Similarly.
8297 * cppinit.c (struct pending_option, append_include_chain,
8298 cpp_options_init, cpp_reader_init, initialize_standard_includes,
8299 cpp_start_read, new_pending_define, handle_option): Similarly.
8300 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
8301 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
8302 do_pragma_implementation, detect_if_not_defined,
8303 do_ifdef, skip_if_group, cpp_get_token, parse_string,
8304 do_assert, do_unassert): Similarly.
8305 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
8306 function prototypes.
8307 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
8309 2000-03-10 Richard Henderson <rth@cygnus.com>
8311 * builtins.c (expand_builtin_strlen): Revert last change.
8312 Use emit_insn_before if we're at the beginning of a sequence.
8314 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
8316 * builtins.c (expand_builtin_strlen): Make sure that we have something
8317 at the beginning of the sequence.
8319 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
8322 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
8324 2000-03-10 Richard Henderson <rth@cygnus.com>
8326 * except.c (can_throw): Use INTVAL on a CONST_INT.
8327 (reachable_handlers): Likewise.
8328 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
8330 2000-03-10 Andreas Jaeger <aj@suse.de>
8332 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
8333 MD_STARTFILE_PREFIX since those are not needed on linux.
8334 (ASM_FILE_START): New, from mips/gnu.h.
8336 2000-03-09 Richard Henderson <rth@cygnus.com>
8337 Alex Samuel <samuel@codesourcery.com> and others
8339 * Makefile.in (ssa.o): New rule.
8341 (STAGESTUFF): Add *.ssa and *.ussa.
8342 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
8343 * rtl.def (PHI): New RTL expression.
8344 * rtl.h (clear_log_links): New declaration.
8345 (convert_to_ssa): Likewise.
8346 (convert_from_ssa): Likewise.
8347 * flow.c (split_edge): If the entry node falls through to the
8348 split edge's source block, split the entry edge.
8349 (clear_log_links): New function.
8350 * toplev.c (ssa_dump): New variable.
8351 (flag_ssa): Likewise.
8352 (f_options): Add "ssa".
8353 (compile_file): Create SSA dump files.
8354 (rest_of_compilation): Go to and from SSA if enabled.
8355 (decide_d_option): Handle -de for SSA dump files.
8358 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
8360 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
8363 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
8365 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
8367 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
8369 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
8370 (MD_STARTFILE_PREFIX_1): New macro.
8372 2000-03-09 Robert Lipe <robertl@sco.com>
8374 * config/ia64/ia64.c: Include system.h.
8376 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8378 * except.c (nothrow_function_p): If -fno-exceptions, just return.
8379 (init_eh_nesting_info): Likewise.
8381 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
8382 (TREE_NOTHROW): Rename from TREE_RAISES.
8383 * toplev.c (rest_of_compilation): Set it.
8384 * print-tree.c (print_node): Adjust.
8385 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
8386 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
8387 * calls.c (emit_call_1): Add 'nothrow' parm. Add
8388 REG_EH_REGION note as appropriate.
8389 (libfunc_nothrow): New fn.
8390 (emit_library_call, emit_library_call_value): Use it.
8391 (expand_call): Check TREE_NOTHROW.
8393 * varasm.c (make_decl_rtl): Skip initial '*' when setting
8394 DECL_ASSEMBLER_NAME.
8396 2000-03-09 Andreas Jaeger <aj@suse.de>
8398 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
8399 (TARGET_MEM_FUNCTIONS): Define.
8401 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8403 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
8405 * except.c (can_throw): See through a SEQUENCE.
8406 (nothrow_function_p): New fn.
8407 * except.h: Declare it.
8408 * function.c (current_function_nothrow): New var.
8409 (prepare_function_start): Initialize it.
8410 * output.h: Declare it.
8411 * toplev.c (rest_of_compilation): Set it.
8412 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
8414 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
8416 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
8417 match. (cpp_compare_defs): Count the nul separator when
8418 advancing over argument names.
8420 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
8422 * recog.c (preprocess_constraints): Matching constraints affect
8423 same alternative/different operand, not same operand/different
8426 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
8427 register and a constant specially.
8429 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8431 * libgcc2.h: New file.
8432 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
8434 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
8436 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
8437 * configure: Regenerate.
8440 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8442 * Makefile.in (LIBCPP_DEPS): New macro.
8443 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
8445 * cpperror.c: Include cpphash.h.
8446 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
8448 (lex): Don't use CPP_WARN_UNDEF.
8449 (_cpp_parse_expr): Return an int, the truth value.
8450 * cppfiles.c: Include cpphash.h.
8451 (_cpp_merge_include_chains): Move to cppinit.c and make static.
8452 * cppinit.c (include_defaults_array): Disentangle.
8453 (cpp_cleanup): Don't free the if stack here.
8454 (cpp_finish): Pop off all buffers, not just one.
8455 * cpplib.c (eval_if_expr): Return int.
8456 (do_xifdef): Rename do_ifdef.
8457 (handle_directive): Don't use CPP_PREPROCESSED.
8458 (cpp_get_token): Don't use CPP_C89.
8459 * fix-header.c: Don't use CPP_OPTIONS.
8461 * cpplib.h: Move U_CHAR, enum node_type, struct
8462 file_name_list, struct ihash, is_idchar, is_idstart,
8463 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
8464 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
8465 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
8466 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
8467 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
8468 of _cpp_simplify_pathname, _cpp_find_include_file,
8469 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
8470 Move struct if_stack to cpplib.c. Move struct cpp_pending to
8472 Change all uses of U_CHAR to be unsigned char instead.
8473 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
8475 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8477 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
8478 (dwarf2out_begin_prologue): Set it.
8479 (output_call_frame_info): Don't emit EH unwind info for leaves.
8481 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
8482 can occur outside of an EH region.
8483 * except.c: Correct comments about rethrow behavior.
8484 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
8486 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
8488 * flow.c (make_edges): Always call make_eh_edge for calls.
8490 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8492 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
8493 (struct cpp_buffer): Remove fname and underflow fields.
8494 (struct cpp_reader): Remove get_token field.
8495 (struct include_hash): Rename to struct ihash. Add typedef to
8497 (struct if_stack): Remove fname field.
8498 (IF_STACK_FRAME): Rename to IF_STACK.
8500 * cpperror.c (print_containing_files): Trust that there are no
8501 macro buffers below the top file buffer.
8502 * cppfiles.c: Replace all references to 'struct include_hash'
8503 with 'IHASH'. Rename initialize_input_buffer to
8504 init_input_buffer. Don't set or reference cpp_buffer->fname,
8505 use buffer->ihash->name instead.
8506 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
8507 not CPP_NULL_BUFFER.
8508 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
8509 IF_STACK_FRAME, IHASH not struct include_hash.
8510 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
8511 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
8512 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
8513 references to cpp_buffer->fname (delete entirely, or use
8514 ->ihash->name instead) and IF_STACK->fname.
8515 (cpp_push_buffer): Don't set new->underflow.
8516 (do_include): Use cpp_file_buffer.
8518 * cpphash.c (collect_formal_parameters): Remove duplicate
8519 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
8520 used as a macro argument name. Don't append "..." to namebuf
8521 for varargs macros. After we're done scanning, go through
8522 namebuf and make it NUL separated, not comma separated.
8523 (_cpp_compare_defs): Remove register tag from variables.
8524 Expect defn->argnames to be NUL separated.
8525 (_cpp_dump_definition): Expect defn->argnames to be NUL
8526 separated and in forward order.
8527 * cpphash.h: Update documentation of argnames field.
8529 2000-03-08 Richard Henderson <rth@cygnus.com>
8531 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
8532 to fail. Don't pre-expand the source operand.
8534 * i386.md (strlensi): Initialize eoschar and align before use.
8536 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8538 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
8539 CONSTRUCTOR element.
8541 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
8543 * mips.c (mips_expand_prologue): If the last
8544 named argument is the vararg marker "va_list", treat it as
8545 an unnamed argument.
8547 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
8549 * dbxout.c (dbxout_parms): When correcting for promoted
8550 big-endian parameters, use the mode of the DECL_RTL rather
8551 than UNITS_PER_WORD.
8553 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
8555 * c-common.h (make_fname_decl): Declare.
8556 * c-common.c (make_fname_decl): Define.
8557 (declare_hidden_char_array): Remove.
8558 (declare_function_name): Use make_fname_decl.
8559 * c-decl.c (c_make_fname_decl): New function.
8560 (init_decl_processing): Set make_fname_decl.
8562 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
8564 * cccp.c (handle_directive): Initialize backslash_newlines_p.
8566 2000-03-07 Philipp Thomas <pthomas@suse.de>
8568 * po/POTFILES.in: Remove cppalloc.c from file list.
8570 2000-03-07 Steve Chamberlain <sac@pobox.com>
8572 * pj.c (pj_expand_prologue): current_function->args_info is
8573 now current_function_args_info.
8575 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
8576 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
8577 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
8579 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8581 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
8582 output as hexadecimal rather than the default octal.
8584 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8586 * cpphash.c (special_symbol): Fix thinko in previous commit.
8588 2000-03-07 Neil Booth <NeilB@earthling.net>
8590 * cppexp.c (struct operation, left_shift, right_shift,
8591 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
8592 "int"s to "unsigned int"s.
8593 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
8595 * cpplib.h: Update for above.
8596 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
8597 returned from allocations.
8599 * cppinit.c (opt_comp, parse_options): New functions.
8600 (handle_option): Use parse_option to parse a single command
8601 line option, that possibly takes an argument.
8602 (cpp_handle_options): Sort the array of command line options on
8603 first invocation (non-ASCII hosts only).
8604 (print_help): Update.
8606 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8608 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
8609 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
8611 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
8613 * cppinit.c (cpp_cleanup): Free imp->nshort also.
8615 * cpperror.c (cpp_print_containing_files,
8616 cpp_print_file_and_line, v_cpp_message): Rename to
8617 print_containing_files, print_file_and_line, and v_message.
8618 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
8619 to _cpp_parse_expr, parse_escape, and lex.
8620 (parse_charconst): Remove broken multibyte support.
8621 * cppfiles.c (include_hash): Make static.
8622 (cpp_included): New function.
8623 (merge_include_chains, find_include_file, finclude,
8624 simplify_pathname): Rename to _cpp_merge_include_chains,
8625 _cpp_find_include_file, _cpp_read_include_file, and
8626 _cpp_simplify_pathname.
8627 * cpphash.c (cpp_lookup, free_definition, delete_macro,
8628 cpp_install, create_definition, macroexpand, compare_defs,
8629 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
8630 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
8631 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
8632 * cppinit.c (cpp_handle_option): Rename to handle_option, make
8634 * cpplib.c: Remove extern prototype of cpp_parse_expr.
8636 * cpphash.h: Update prototypes.
8637 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
8639 2000-03-07 Andrew Haley <aph@cygnus.com>
8641 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
8642 PTRDIFF_TYPE should be based solely on Pmode.
8645 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8647 * rtl.h (rtunion_def): Constify member `rtstr'.
8648 (emit_line_note_after, emit_line_note, emit_line_note_force,
8649 emit_note, decode_asm_operands): Constify.
8651 * cse.c (canon_hash): Likewise.
8653 * dbxout.c (dbxout_block): Likewise.
8655 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
8656 v_warning_for_asm): Likewise.
8658 * dwarfout.c (function_start_label): Likewise.
8660 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
8661 emit_line_note_force): Likewise.
8663 * final.c (last_filename, asm_insn_count, final_scan_insn,
8664 output_source_line): Likewise.
8666 * function.h (struct emit_status): Likewise.
8668 * gcse.c (hash_expr_1): Likewise.
8670 * genattr.c (gen_attr, main): Likewise.
8672 * genattrtab.c (struct function_unit, current_alternative_string,
8673 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
8674 attr_numeral, check_attr_test, check_attr_value,
8675 convert_set_attr_alternative, convert_set_attr,
8676 compute_alternative_mask, simplify_by_exploding, gen_attr,
8677 gen_unit): Likewise.
8679 * genflags.c (gen_insn): Likewise.
8681 * gengenrtl.c (type_from_format): Likewise.
8683 * genopinit.c (gen_insn): Likewise.
8685 * genoutput.c (n_occurrences, process_template, process_template):
8688 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8691 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8694 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
8695 ggc_set_mark, ggc_get_size): Likewise.
8697 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
8699 * optabs.c (init_one_libfunc): Likewise.
8701 * output.h (assemble_start_function): Likewise.
8703 * recog.c (decode_asm_operands): Likewise.
8705 * toplev.c (rest_of_compilation): Likewise.
8707 * tree.h (emit_line_note_after, emit_line_note,
8708 emit_line_note_force): Likewise.
8710 * varasm.c (asm_output_bss, asm_output_aligned_bss,
8711 asm_emit_uninitialised, assemble_start_function,
8712 assemble_variable, const_hash, compare_constant_1,
8713 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
8715 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
8717 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
8719 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
8721 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
8723 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
8724 arm_dllimport_name_p): Likewise.
8726 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
8729 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
8731 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8733 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
8734 arm_mark_dllexport, arm_mark_dllimport,
8735 arm_pe_encode_section_info): Likewise.
8737 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
8738 ASM_FINISH_DECLARE_OBJECT): Likewise.
8740 * arm/thumb.c (thumb_function_prologue): Likewise.
8742 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
8744 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8746 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
8748 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
8750 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
8752 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8754 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
8755 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
8757 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
8759 * i386/i386.c (asm_output_function_prefix): Likewise.
8761 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
8763 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8765 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
8767 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
8768 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
8769 ASM_OUTPUT_SECTION_NAME): Likewise.
8771 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
8773 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
8775 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
8777 * m32r/m32r.c (m32r_encode_section_info): Likewise.
8779 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8781 * mcore/mcore.c (mcore_encode_section_info): Likewise.
8783 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8785 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8787 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8789 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
8791 * mips/mips.md (movdi, movsi): Likewise.
8793 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8795 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8797 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8799 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8800 ASM_OUTPUT_ASCII): Likewise.
8802 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
8803 output_mi_thunk, output_toc): Likewise.
8805 * rs6000/rs6000.md (movsi): Likewise.
8807 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
8809 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
8811 * v850/v850.c (print_operand, print_operand_address,
8812 v850_encode_data_area): Likewise.
8814 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
8816 * config/mips/mips.md (zero_extendsidi2): Always force operand
8817 one to memory for mips16.
8819 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8821 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
8822 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
8823 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
8824 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
8825 (min_precision): Result is unsigned.
8826 (add_double, neg_double, mul_double): Low word is unsigned.
8827 (lshift_double, rshift_double, lrotate_double): Likewise.
8828 (rrotate_double, div_and_round_double): Likewise.
8829 (tree_floor_log2, compare_tree_int): New functions.
8830 (preserve_rtl_expr_temps): New declaration.
8831 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
8832 (decl_attributes): Use tree_log2 to find alignment.
8833 Check for TREE_INT_CST_HIGH for format args.
8834 (min_precision): Now unsigned.
8835 Use tree_floor_log2.
8836 (truthvalue_conversion): Delete long-disabled code.
8837 * c-decl.c (finish_struct): Clean up tests on field width.
8838 (finish_function): Use compare_tree_int.
8839 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
8840 * c-typeck.c (comptypes): Use tree_int_cst_equal.
8841 (default_conversion, digest_init): Use compare_tree_int.
8842 (build_binary_op): Use integer_all_onesp and compare_tree_int.
8843 Fix type errors in forming masks.
8844 * calls.c (initialize_argument_information): Use compare_tree_int.
8845 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8846 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
8847 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
8848 (store_field): Use compare_tree_int.
8849 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
8850 (expand_expr, case ARRAY_REF): Use compare_tree_int.
8851 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
8852 (do_store_flag): Use compare_tree_int.
8853 * fold-const.c (encode, decode): Low part is always unsigned.
8854 (force_fit_type, add_double, neg_double, mul_double): Likewise.
8855 (lshift_double, rshift_double, lrotate_double): Likewise.
8856 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
8857 (fold_convert): Use compare_tree_int.
8858 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
8859 (invert_truthvalue, case INTEGER_CST): Likewise.
8860 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
8861 * mkdeps.c (deps_dummy_targets): Make I unsigned.
8862 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
8863 (lshift_double, rshift_double, lrotate_double, rrotate_double):
8865 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
8866 (expand_end_case): Use compare_tree_int.
8867 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8868 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
8869 (layout_decl): Likewise.
8870 (layout_record, layout_union): Make sizes unsigned.
8871 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
8872 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
8873 * tree.c (struct type_hash): hashcode is unsigned.
8874 (build_type_attribute_variant, type_hash_list): Likewise.
8875 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
8876 (attribute_hash_list, build_array_type, build_method_type): Likewise.
8877 (build_complex_type): Likewise.
8878 (real_value_from_int_cst): Remove unneeded casts.
8879 (integer_all_onesp): Add casts.
8880 (tree_floor_log2, compare_tree_int): New functions.
8881 (build_index_type): Use tree_int_cst_sgn.
8882 * varasm.c (assemble_variable): Use compare_tree_int.
8884 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
8886 * cpphash.c (collect_expansion): Also catch ## at start of macro.
8888 * varasm.c (make_decl_rtl): Don't add a number to members of
8890 (make_function_rtl): Likewise.
8892 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8894 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
8895 patch from 2000-01-28.
8897 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
8899 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
8900 filled with an insn from the jump target.
8902 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8904 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
8905 (c4x_external_ref): Likewise.
8906 * config/c4x/c4x.c (struct name_list): Likewise.
8908 1999-12-16 Ben Collins <bcollins@debian.org>
8910 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
8911 argument to genmultilib.
8912 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
8913 the contents into the multilib.h header.
8914 * gcc.c: Declare multilib_exclusions for the specs file.
8915 (set_multilib_dir): Use it.
8916 (print_multilib_info): Likewise.
8917 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
8918 to pass to genmultilib.
8920 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8922 * builtins.c (built_in_class_names, built_in_names): Constify a
8925 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
8927 (_mcleanup): Ensure value matches format specifier in sprintf.
8929 * cpphash.c (special_symbol): Don't needlessly cast away
8932 * cppinit.c (base_name): Delete unused prototype.
8934 * mkdeps.c (deps_init): Make definition K&R safe.
8936 * tree.h (built_in_class_names, built_in_names): Constify a
8939 2000-03-06 Jakub Jelinek <jakub@redhat.com>
8941 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
8942 floating point instructions for epilogue delay.
8944 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
8945 to gas if it supports .register pseudo.
8947 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
8948 LONG_DOUBLE_TYPE_SIZE if not defined.
8949 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
8950 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
8952 * gengenrtl.c: Likewise.
8953 * print-rtl.c: Likewise.
8955 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
8956 MASK_LONG_DOUBLE_128.
8957 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
8958 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
8959 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
8960 (SUBTARGET_SWITCHES): Define.
8961 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
8962 with -mlong-double-128.
8963 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8964 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8965 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8966 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
8967 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
8968 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
8969 with -mlong-double-128.
8970 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8971 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8972 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8973 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
8974 TARGET_LONG_DOUBLE_128): Define.
8975 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
8976 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
8977 long double on TARGET_ARCH64.
8979 2000-03-06 Mark Mitchell <mark@codesourcery.com>
8981 * function.c (free_temps_for_rtl_expr): Don't free slots
8982 that have been pushed into a higher level.
8985 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8987 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8989 * basic-block.h (ALLOCA_REG_SET): Remove.
8990 (INITIALIZE_REG_SET): New macro.
8991 * flow.c (update_life_info): Use it.
8992 (calculate_global_regs_live): Likewise.
8993 (propagate_block): Likewise.
8994 * global.c (build_insn_chain): Likewise.
8995 * haifa-sched.c (schedule_region): Likewise.
8997 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
8999 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9000 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9001 (DWARF_ARANGES_PAD_SIZE): New define.
9002 (output_aranges): Use it to pad the address range header.
9003 (DWARF_ROUND): Fix for non power of 2 rounding.
9005 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9007 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9009 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9011 * tree.def (RTL_EXPR): Update documentation.
9012 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9013 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9014 * function.c (preserve_rtl_expr_temp): New function.
9015 (preserve_rtl_expr_temps): Likewise.
9016 (preserve_rtl_expr_result): Use it.
9019 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9021 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
9023 * regmove.c (copy_src_to_dest) Do not create src->dest move
9024 for unchanging destination.
9026 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9028 * function.h (struct sequence_stack): Remove rtl_expr.
9029 (struct emit_staus): Likewise.
9030 (seq_rtl_expr): Remove.
9031 * tree.h (free_temps_for_rtl_expr): Don't declare.
9032 (start_sequence_for_rtl_expr): Likewise.
9033 * rtl.h (preserve_rtl_expr_result): Likewise.
9034 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
9035 (start_sequence_for_rtl_expr): Remove.
9036 (push_topmost_sequence): Don't save sequence_rtl_expr.
9037 (pop_topmost_sequence): Remove comment about not restoring it.
9038 (end_sequence): Don't set seq_rtl_expr.
9039 (init_emit): Don't initialize it.
9040 (mark_sequence_stack): Don't mark it.
9041 (mark_emit_status): Likewise.
9042 * except.c (protect_with_terminate): Use
9043 start_sequence_for_rtl_expr, not start_sequence.
9044 * expr.c (expand_expr, case RTL_EXPR): Don't call
9045 preserve_rtl_expr_result or free_temps_for_rtl_expr.
9046 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
9047 (preserve_rtl_expr_result): Remove.
9048 (free_temps_for_rtl_expr): Likewise.
9049 (pop_temp_slots): Likewise.
9050 (mark_temp_slot): Don't mark the rtl_expr.
9051 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
9052 start_sequence_for_rtl_expr.
9054 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
9056 * mkdeps.c, mkdeps.h: New files.
9057 * po/POTFILES.in: Add them.
9058 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
9059 (cpplib.o, cppinit.o): Depend on mkdeps.h.
9060 (mkdeps.o): New target.
9062 * cppfiles.c: Delete deps_output.
9063 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
9064 OBJECT_SUFFIX, and base_name.
9065 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
9067 (initialize_dependency_output): Use deps_init,
9068 deps_add_target, deps_calc_target, and deps_add_dep. Remove
9069 all the unnecessary string bashing.
9070 (cpp_finish): Use deps_write. Remove an unnecessary nesting
9072 * cpplib.c (do_include): Use deps_add_dep.
9073 * cpplib.h (struct cpp_reader): Replace deps_buffer,
9074 deps_allocated_size, deps_size, deps_column members with
9075 single pointer to a struct deps. Delete prototype of
9078 * cppinit.c: Fix thinko in previous patch.
9080 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9082 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
9083 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
9084 (mode_for_size_tree): New function.
9085 (layout_decl, layout_type): Call it and clean up BLKmode checks.
9086 * tree.h (mode_for_size_tree): New declaration.
9088 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
9090 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
9092 * stmt.c (is_body_block): Move...
9093 * dwarfout.c, dwarf2out.c: ...from here.
9094 * tree.h: Declare it.
9095 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
9096 * final.c (final_start_function): Do call remove_unnecessary_notes
9099 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9101 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
9103 * cpplib.h (_dollar_ok): New macro.
9104 (is_idchar, is_idstart): Use it.
9105 (IStable): Rename to _cpp_IStable. Declare it const if
9106 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
9107 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
9108 is_space): Update for renamed IStable.
9110 * cppinit.c: Delete all references to FAKE_CONST and CAT
9111 macros. Define init_IStable as empty macro if gcc >=2.7 or
9112 C99. Change TABLE() to ISTABLE and hardcode name of table.
9113 (cpp_start_read): Don't change the IStable based on
9116 * cpphash.c (unsafe_chars): Add pfile argument. All callers
9117 changed. Handle '$' for char1 correctly.
9118 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
9120 * cppexp.c (tokentab2): Make const.
9121 (cpp_lex): Make toktab const.
9122 * cppinit.c (include_defaults_array): Make const.
9123 (initialize_standard_includes): Make default_include const.
9125 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9127 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
9128 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
9129 (gen_decl_die): Likewise.
9130 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
9131 (output_decl): Likewise.
9133 * varasm.c (make_function_rtl): If we change the name used in the
9134 rtl, update DECL_ASSEMBLER_NAME accordingly.
9135 (make_decl_rtl): Likewise.
9137 * toplev.c (rest_of_compilation): Tweak formatting.
9139 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
9140 remove_unnecessary_notes.
9141 (debug_ignore_block): New fn.
9142 * toplev.h: Declare it.
9143 * emit-rtl.c (remove_unncessary_notes): Call it.
9144 * dwarf2out.c (dwarf2out_ignore_block): New fn.
9145 * dwarf2out.h: Declare it.
9146 * final.c (final_start_function): Don't call remove_unnecessary_notes
9147 if we did insn scheduling.
9149 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9151 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
9152 * cpplib.h: Delete SET_CPP_PEDANTIC.
9154 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9156 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
9157 result is a RECORD_TYPE.
9159 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
9161 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
9163 2000-03-03 Richard Henderson <rth@cygnus.com>
9165 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
9166 addition over compliments over shifts.
9168 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9170 * reload1.c (reload_combine_note_use): Handle return register USEs.
9171 REG case: Handle multi-hard-register hard regs.
9173 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9175 * md.texi: Document use of '*' in insn pattern name.
9177 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9179 * calls.c (special_function_p): operator new may not be malloc-like.
9181 * gcse.c (dump_hash_table): Really fix error in last change.
9183 2000-03-02 Denis Chertykov <denisc@overta.ru>
9185 * avr.c (print_operand): Use print_operand_address instead of
9187 * avr/libgcc.S: Cleanup code.
9189 2000-03-02 Richard Henderson <rth@cygnus.com>
9191 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
9193 2000-03-02 Mark Mitchell <mark@codesourcery.com>
9195 * tree.h (TYPE_ALIGN_UNIT): New macro.
9197 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
9199 * i386.c: (constant_call_address_operand): Reject CONST_INT.
9201 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
9203 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
9205 (SET_CPP_PEDANTIC): New macro.
9206 * cpplib.c (do_include): Don't bother checking system_header_p.
9207 (do_warning, do_ident, do_assert, do_unassert): Likewise.
9208 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
9210 * function.h (struct expr_status): Add x_arg_space_so_far.
9211 (arg_space_so_far): New macro.
9212 * expr.c (init_expr): Initialize it.
9213 * calls.c (emit_call_1): Reset it.
9214 (compute_argument_block_size, expand_call): Use it.
9215 (expand_call, store_one_arg): Increment it.
9217 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9219 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
9222 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
9224 * cppfiles.c (cpp_read_file): New function.
9226 * cpphash.c (collect_expansion): Make sure to reset last_token
9227 to NORM when we hit a string. Handle trailing whitespace
9228 properly when the expansion is empty.
9229 (create_definition): Disable line commands while parsing the
9231 (dump_definition): If pfile->lineno == 0, output a line
9232 command ahead of the dump, and add a trailing newline.
9234 * cppinit.c (append_include_chain): Add fifth argument, which
9235 indicates whether or not system headers are C++ aware.
9236 (initialize_standard_includes): New function,
9237 broken out of read_and_prescan. Pass 'cxx_aware' value from
9238 the include_defaults_array on to append_include_chain.
9239 (dump_special_to_buffer): Const-ify char array.
9240 (builtin_array): Don't dump __BASE_FILE__.
9241 (cpp_start_read): Use cpp_read_file. Reorder code for
9242 clarity. Don't output line commands here for -D/-A/-U
9243 switches. Don't call deps_output for files included with
9244 -include or -imacros.
9246 * cpplib.c (do_define): Don't pay any attention to the second
9248 (cpp_expand_to_buffer): Disable line commands while scanning.
9249 (output_line_command): Work in the file buffer.
9250 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
9251 Fix formatting of comments. Prototype cpp_read_file.
9253 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9255 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
9256 reference the language-equivalent of sizetype.
9257 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
9258 * fold-const.c (size_binop, size_diffop): Put back checks.
9259 * gcse.c (dump_hash_table): Fix minor error in last change.
9260 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
9261 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
9264 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
9266 * calls.c (expand_call) Do not attempt to combine stack adjustments
9267 with inhibit_defer_pop set.
9269 2000-03-01 Mark Mitchell <mark@codesourcery.com>
9271 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
9272 the DECL_SIZE for a FIELD_DECL.
9274 2000-03-01 Bruce Korb <bkorb@gnu.org>
9276 * fixinc/inclhack.tpl: remove unused symlinks
9277 * fixinc/README: GCC Maintainer info
9278 * fixinc/inclhack.sh: regen
9279 * fixinc/fixincl.sh: regen
9281 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
9283 * cpphash.c (collect_expansion): Trim trailing white space
9284 from macro definitions, but don't go past the last insertion
9287 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
9289 * i386.md (mulqi3): New pattern.
9291 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
9293 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
9295 (struct cpp_reader): Add parsing_if_directive and
9296 parsing_define_directive flags.
9297 (struct cpp_options): Remove output_conditionals flag.
9298 (check_macro_name): Delete prototype.
9300 * cpphash.h (struct macrodef): Delete.
9301 (struct reflist): Separate from struct definition.
9302 (struct definition): Remove unused fields. Add column number.
9303 (create_definition): Returns a DEFINITION *. Takes a
9304 cpp_reader * and an int.
9306 * cpphash.c (SKIP_WHITE_SPACE): Delete.
9307 (PEEKC): Copy defn from cpplib.c.
9308 (rest_extension, REST_EXTENSION_LENGTH): Delete.
9310 (struct arglist): Simplify.
9311 (collect_expansion): Rewrite. Get tokens by calling
9312 cpp_get_token. Add more error checking.
9313 (collect_formal_parameters): New function, broken out of
9314 create_definition and reworked to use get_directive_token.
9315 (create_definition): All real work is now in collect_expansion
9316 and collect_formal_parameters. do_define handles finding the
9317 macro name. Return a DEFINITION, not a MACRODEF.
9318 (macroexpand): Replace bcopy with memcpy throughout. Replace
9319 character-at-a-time copy loop with memcpy and pointer increments.
9320 (compare-defs): d1->argnames / d2->argnames might be null.
9322 * cpplib.c (copy_rest_of_line): Delete function.
9323 (skip_rest_of_line): Do all the work ourselves.
9324 (skip_string): New function.
9325 (parse_string): Use skip_string.
9326 (get_macro_name): New function.
9327 (check_macro_name): Delete.
9328 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
9329 (cpp_skip_hspace): Use CPP_BUMP_LINE.
9330 (handle_directive): ICE if we're called on a macro buffer.
9331 (do_define): Determine macro name and type (funlike/objlike)
9332 here. Expunge all uses of MACRODEF.
9333 (cpp_push_buffer): Set line_base to NULL.
9334 (do_undef, read_line_number): Don't worry about getting a POP token.
9335 (eval_if_expression): Set/reset parsing_if_directive around
9336 cpp_parse_expr. Don't clear only_seen_white.
9337 (skip_if_group): Remove output_conditionals logic. Use
9339 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
9340 tokens under appropriate conditions.
9341 (cpp_unassert): Call do_unassert not do_assert. Oops.
9343 * cppexp.c (parse_defined): New function, break out of
9345 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
9346 ourselves, with cpp_defined.
9347 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
9349 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
9350 * gcc.dg/strpaste-2.c: New.
9352 2000-02-29 Mark Mitchell <mark@codesourcery.com>
9354 * fold-const.c (size_binop): Don't asert inputs are the same and
9355 have TYPE_IS_SIZETYPE set.
9356 (size_diffop): Likewise.
9358 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
9360 * dwarfout.c (output_block): Output abstract blocks even if they
9361 don't have TREE_ASM_WRITTEN set.
9363 * calls.c (emit_library_call): Check for null REG.
9365 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
9367 * c-decl.c (current_function_decl): Move to toplev.c.
9368 (init_decl_processing): Don't add current_function_decl as a ggc
9370 * dbxout.c (dbxout_symbol): Change return type to int.
9371 (dbxout_symbol_location, dbxout_syms): Likewise.
9372 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
9373 any locals. Use current_function_func_begin_label if set.
9374 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
9375 * dwarf2out.c (dwarf2out_begin_prologue): Set
9376 current_function_func_begin_label.
9377 * final.c (final_start_function): Reset it.
9378 * toplev.c (current_function_decl): Define it here.
9379 (current_function_func_begin_label): New variable.
9380 (main): Add both as ggc roots.
9381 * tree.h (current_function_func_begin_label): Declare.
9383 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9385 * gcse.c: Cleanups throughout: mostly white-space, but also
9386 some minor rearrangement of code.
9388 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
9390 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
9391 returns a PARALLEL. Use emit_group_load and use_group_regs
9393 (emit_library_call_value): Similarly.
9395 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
9396 * pa/quadlib.asm: Remove.
9397 * pa/quadlib.c: New file.
9399 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
9400 * configure: Rebuilt.
9402 2000-02-29 Philip Blundell <pb@futuretv.com>
9404 * config/arm/conix-elf.h: New file.
9405 * configure.in (arm*-*-conix*): New configuration.
9406 * configure: Regenerate.
9408 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
9410 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
9411 don't have TREE_ASM_WRITTEN set.
9413 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9415 * Eliminate DECL_FIELD_SIZE.
9416 * builtins.c (built_in_class_names, built_in_names): New variables.
9417 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
9418 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
9419 DECL_SIZE, not DECL_FIELD_SIZE.
9420 * print-tree.c (print_node): Remove code that prints extra blank
9421 lines in some cases.
9422 Properly handle inline and builtin function cases.
9423 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
9424 * tree.h (built_in_class_named, built_in_names): New declarations.
9425 (union tree_decl): Rename internal unions to u1 and u2 and change
9426 some of their components.
9427 Add new field built_in_class.
9428 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
9429 Reflect above changes.
9430 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
9431 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
9432 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
9433 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
9435 2000-02-28 Dmitri Makarov <dim@windriver.com>
9437 * extend.texi: Document ARM's support for long/short calls.
9439 * invoke.texi: Document ARM's -mlong-calls command line switch.
9441 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
9442 (arm_encode_call_attribute): Add prototype.
9443 (arm_set_default_type_attribute): Add prototype.
9444 (arm_strip_name_encoding): Add prototype.
9446 * config/arm/arm.c (arm_init_cumulative_args): replace
9447 initialisation og 'long_calls' field with initialisation of
9448 'call_cookie' field.
9449 (enum arm_pragma_enum): New enum.
9450 (arm_pragma_long_calls): New static variable.
9451 (arm_process_pragma): Also process "#pragma long_calls_off".
9452 (arm_valid_type_attribute_p): Accept short_call attribute.
9453 (arm_comp_type_attributes): Check long/short call attributes.
9454 (arm_encode_call_attribute): New function: Encode long_call
9455 or short_call attribute in function name.
9456 (arm_set_default_type_attributes): New function: Assign
9457 default attributes to newly defined type.
9458 (current_file_function_operand): New function: Return true if
9459 the symbol is a function which has already been compiled.
9460 (arm_is_longcall_p): New function: Return true if the
9461 indicated function should be called via a long call.
9462 (arm_get_strip_length): New function. Returns number of
9463 prefix characters to be stripped from a function's name.
9464 (arm_strip_name_encoding): New function. Strip prefix characters
9465 from a function's name.
9467 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
9469 (SHORT_CALL_FAG_CHAR): Define.
9470 (LONG_CALL_FAG_CHAR): Define.
9471 (ENCODED_SHORT_CALL_ATTR_P): Define.
9472 (ENCODED_LONG_CALL_ATTR_P): Define.
9473 (ARM_NAME_ENCODING_LENGTHS): Define.
9474 (STRIP_NAME_ENCODING): Define.
9475 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
9476 (ARM_ENCODE_CALL_TYPE): Define.
9477 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
9478 (ARM_DECLARE_FUNCTION_SIZE): Define.
9479 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
9481 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
9482 if a long call is needed.
9483 (call_value): Ditto.
9484 (call_symbol): Ditto.
9486 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
9487 ARM_DECLARE_FUNCTION_SIZE.
9489 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
9490 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
9491 (ARM_STRIP_NAME_ENCODING): Undefine.
9492 (STRIP_NAME_ENCODING): Undefine.
9493 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
9494 (ASM_DECLARE_FUNCTION_NAME): Ditto.
9495 (ASM_OUTPUT_COMMON): Ditto.
9496 (ASM_DECLARE_OBJECT_NAME): Ditto.
9498 * config/arm/pe.c (arm_dllexport_name_p): Check for
9500 (arm_dllimport_name_p): Ditto.
9501 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
9502 (arm_mark_dllimport): Ditto.
9504 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9506 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
9508 2000-02-28 Mark Mitchell <mark@codesourcery.com>
9510 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
9512 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
9514 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
9515 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
9516 NO_BUILTIN_WCHAR_TYPE is not defined.
9517 (CPP_WCHAR_TYPE): Delete.
9518 * cccp.c (main): Don't change wchar_type if cplusplus.
9519 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
9521 2000-02-28 Nick Clifton <nickc@cygnus.com>
9523 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
9525 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
9527 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
9528 (ASM_WEAKEN_LABEL): Define.
9530 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
9532 * expr.c (store_constructor): Do not emit USE.
9533 * rtl.h (stupid_life_analysis): Remove.
9535 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9537 * function.c (number_blocks): Reset next_block_index based on
9538 what debugging format is used, not what is defined.
9540 * lcm.c: Minor reformatting throughout.
9541 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
9543 * toplev.c (rest_of_compilation): Account for time in
9544 optimize_mode_switching.
9546 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
9547 if only marking labels.
9549 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
9551 * calls.c (expand_call): Attempt to combine stack adjustments with
9552 pending stack adjustments.
9554 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9556 * loop.c (reg_in_basic_block_p): Don't abort when falling through
9557 to the end of the function.
9559 2000-02-27 Mark Mitchell <mark@codesourcery.com>
9561 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
9563 * final.c (next_block_index): Remove.
9564 (max_block_depth): Likewise.
9565 (pending_blocks): Likewise.
9566 (init_final): Don't initialize them.
9567 (final_start_function): Don't set next_block_index. Set up
9569 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
9570 * function.h (number_blocks): New function.
9571 * function.c (get_block_vector): New function.
9572 (identify_blocks): Use it.
9573 (reorder_blocks): Set NOTE_BLOCK.
9574 (number_blocks): New function.
9575 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
9576 * tree.h (BLOCK_NUMBER): New macro.
9577 (tree_block): Add block_num field.
9578 * dbxout.c (next_block_number): Remove.
9579 (dbxout_init): Don't set it.
9580 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
9581 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
9583 * toplev.c (rest_of_compilation): Always call
9584 find_loop_tree_blocks. Fix indentation.
9585 * dwarf2out.c (next_block_number): Remove.
9586 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9587 to determine block numbers.
9588 (gen_inlined_subroutine_die): Likewise.
9589 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
9590 (decls_for_scope): Don't increment next_block_number.
9591 * dwarfout.c (next_block_number): Remove.
9592 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9593 to determine block numbers.
9594 (output_inlined_subroutine_die): Likewise.
9595 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
9596 (output_decls_for_scope): Don't increment next_block_number.
9597 * sdbout.c (next_block_number): Remove.
9598 (sdbout_block): Use BLOCK_NUMBER.
9599 (sdbout_begin_block): Simplify.
9600 * xcoffout.c (next_block_number): Remove.
9601 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
9602 (xcoffout_begin_block): Don't set next_block_number.
9603 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
9606 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9608 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
9609 (expand_builtin_strcpy): Pass correct type to size_binop.
9610 (expand_builtin_strcmp): Likewise.
9611 Clean up conditional structure.
9612 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
9613 (complete_array_type): Don't use size_binop for MAXINDEX.
9614 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
9615 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
9616 (c_alignof): Use size_one_node.
9617 (build_unary_op): Pass arg of proper type to size_binop.
9618 (really_start_incremental_init, push_init_level): Use sizetype for
9619 constructor{,_bit,_unfilled}_index.
9620 (pop_init_label, output_init_element): Likewise.
9621 (output_pending_init_elements, process_init_element): Likewise.
9622 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
9623 * expr.c (store_expr): Use size_int.
9624 (store_constructor): Use proper types for size_binop args.
9625 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
9626 (expand_expr_unaligned): Likewise.
9627 (string_contant): Return object of sizetype.
9628 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
9629 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
9630 (ARGS_SIZE_TREE): Pass proper types to size_binop.
9631 * fold-const.c (int_const_binop): Refine when size_int is called.
9632 (fold_convert): Likewise.
9633 (size_int_wide): Rework to take KIND as arg, only take low order
9634 bits, handle new sizetype_tab datatype, and chain entries in
9636 (size_int_type_wide): New function.
9637 (size_binop): Validate types of arguments.
9638 (ssize_binop): Deleted.
9639 (size_diffop): New function.
9640 (extract_muldiv): Only fold division into multiplication for sizetypes.
9641 * function.c (assign_parms): Use size_diffop and make sure
9642 VAR field is of ssizetype; also pass proper type to size_binop.
9643 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
9644 (round_down): Deleted from here.
9645 * store-layout.c (sizetype_tab): Now an array.
9646 (sizetype_set, early_root_list): New variables.
9647 (variable_size): Use size_one_node.
9648 (round_up): Pass proper type to size_binop.
9649 (round_down): Moved to here and corrected as above.
9650 (layout_record): Pass proper arg types to size_binop.
9651 (layout_type): Likewise.
9652 If sizetype_set is zero, record the type just laid out.
9653 (make_unsigned_type): Don't call set_sizetype;
9654 (make_signed_type): Likewise; also, call fixup_signed_type.
9655 (initialize_sizetypes): New function.
9656 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
9657 set name of bitsizetype to "bit_size_type".
9658 Fix up type of sizes of all types made before call.
9659 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
9660 * tree.c (fix_sizetype): Deleted.
9661 (build_common_tree_nodes): Call initialize_sizetypes.
9662 (build_common_tree_nodes_2): Don't call fix_sizetype.
9663 * tree.h (TYPE_IS_SIZETYPE): New macro.
9664 (initialize_sizetype): New declaration.
9665 (enum size_type_kind): New type.
9666 (struct sizetype_tab): Deleted.
9667 (sizetype_tab): Now array; adjust sizetype macros.
9668 (size_diffop, size_int_type_wide): New functions.
9669 (size_int_wide): Change number of args and type; access macros changed.
9670 (ssize_int, sbitsize_int): New macros.
9671 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
9672 (ROUND_TYPE_SIZE_UNIT): New macro.
9674 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
9676 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
9678 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9680 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
9681 Mark as possibly unused.
9683 * cse.c (cse_insn): Delete dead code involving tablejump.
9684 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
9686 * Makefile.in (libcpp.a): Start by deleting it.
9688 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9690 * cpplib.h (enum file_change_code): Added rename_file.
9691 * cpplib.c (do_line): If a filename is given, set file_change to
9693 (output_line_command): If file_change is rename_file, always
9694 output a # directive with the file name.
9696 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
9698 2000-02-26 Mark Mitchell <mark@codesourcery.com>
9700 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
9701 when copying a PARM_DECL or RESULT_DECL.
9703 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9705 * fix-header.c (recognized_function): Also fix prototypes for
9706 functions taking "void".
9708 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9710 * reload1.c (do_output_reload): Check reg_reloaded_valid before
9711 looking at reg_reloaded_contents.
9713 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
9715 * Makefile.in (STMP_FIXINC): New toggle.
9716 (LIBGCC2_DEPS): Delete all references.
9717 (stmp-headers): Delete target. All references either deleted
9718 or changed to stmp-int-headers.
9719 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
9720 (LIBCPP_OBJS): Take out cppalloc.o.
9721 (cppalloc.o): Delete target.
9722 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
9723 (gen-protos, fix-header): Link with libiberty.a.
9724 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
9727 * configure.in: Remove refs to strerror.
9728 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
9729 * system.h: Take out strerror stanza.
9731 * cpperror.c (my_strerror): Delete function.
9732 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
9733 * cppmain.c (main): Call xmalloc_set_program_name first thing.
9734 * cppalloc.c: Delete file.
9735 * gen-protos.c: Don't provide xrealloc.
9737 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
9738 xstrerror throughout.
9740 2000-02-26 Bruce Korb <bkorb@gnu.org>
9742 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
9743 match for DOS headers, too.
9744 * fixinc/inclhack.sh,fixincl.x: Regenerate.
9746 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9748 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
9749 is right for most ELF targets.
9750 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
9751 Let the default file use %U properly.
9752 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
9755 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
9758 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9760 * toplev.c (documented_lang_options): Correct spelling error.
9761 (decode_d_option, decode_f_option, main): Likewise.
9763 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
9765 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
9766 to tell assembler it is permitted to expand large constants.
9768 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
9770 * protoize.c: (AUX_INFO_SUFFIX): New macro.
9771 (aux_info_suffix): Use.
9772 (SAVE_SUFFIX): New macro.
9774 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
9775 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
9776 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
9778 * invoke.texi (Running Protoize): Update documentation.
9780 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
9782 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
9784 2000-02-25 John Wehle (john@feith.com)
9786 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
9788 2000-02-25 Anthony Green <green@cygnus.com>
9790 * toplev.c (rest_of_compilation): Rebuild jump labels if
9791 combine_instructions has created a new direct jump.
9792 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
9794 (combine_instructions): Call try_combine with new argument.
9795 Return non-null value when new direct jump instruction is created.
9796 * rtl.h: combine_instructions returns an int.
9798 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
9800 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
9801 jump when changing a computed jump into a jump to a known
9804 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
9806 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
9807 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
9809 * i386.md (define_expand "clrstrsi"): Fix typo.
9811 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
9813 * rtl.texi: Fix typo.
9815 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9817 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
9818 UNITS_PER_WORD. Change caller initial_elimination_offset.
9819 (rounded_frame_size): Take into account that argument pushed has
9820 changed. Fix TARGET_ALIGN_DOUBLE problem.
9822 2000-02-25 Geoff Keating <geoffk@cygnus.com>
9824 * haifa-sched.c (schedule_block): Explain the real reason
9825 we delete REG_SAVE_NOTEs on the first insn of a block.
9826 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
9828 2000-02-24 Mark Mitchell <mark@codesourcery.com>
9830 * input.h (push_srcloc): New function.
9831 (pop_srcloc): Likewise.
9832 * toplev.c (push_srcloc): Define it.
9833 (pop_srcloc): Likewise.
9835 2000-02-24 Richard Henderson <rth@cygnus.com>
9837 * flow.c (life_analysis): When collecting reg info, clear
9840 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9842 Fix bug exposed by reload.c no longer rounding the frame
9843 size to BIGGEST_ALIGNMENT:
9844 * sh.c (rounded_frame_size): New function.
9845 (sh_expand_prologue, sh_expand_epilogue): Use it.
9846 (initial_elimination_offset): Likewise.
9848 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9850 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
9851 * sh-protos.h (sh_need_epilogue): Declare.
9852 * sh.c (sh_need_epilogue_known): New static variable.
9853 (sh_need_epilogue): New function.
9854 (function_epilogue): Clear need_epilogue_known.
9855 * sh.md (return): Split into expander / insn pattern.
9856 Make the expander conditional on ! sh_need_epilogue ().
9858 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
9860 * machmode.h (get_mode_alignment): Declare.
9861 (GET_MODE_ALIGNMENT): Call it.
9862 * stor-layout.c (get_mode_alignment): New function. Make
9863 sure alignment is always power of 2.
9865 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9867 * i386.h: Remove useless definition of "I386" and misleading
9870 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9872 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
9873 under which TREE_PERMANENT will be set.
9874 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
9875 build1): Use TREE_SET_PERMANENT.
9876 * print-tree.c (print_node): Don't report value of
9877 TREE_PERMANENT if ggc_p is true.
9879 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
9880 decide whether to give a type a new alias set.
9881 * objc/objc-act.c (build_objc_string_object): Never copy the string.
9882 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
9883 of value of 'obstack'.
9886 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9888 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
9890 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9892 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
9893 * cpplib.c (cpp_get_token): Produce them.
9894 * cppexp.c (cpp_lex): Handle them.
9896 2000-02-23 Nick Clifton <nickc@cygnus.com>
9898 * config/arm/arm.c (arm_comp_type_attributes): Simply and
9899 comment tests on type attributes.
9901 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9903 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
9904 conform to documentation.
9905 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
9906 to check for special cases.
9907 * sh-protos.h (sh_loop_align): Declare.
9908 * sh.c (sh_loop_align): Define.
9910 2000-02-22 Andrew Haley <aph@cygnus.com>
9912 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
9913 (SIZE_TYPE): Is 32 bits when using -mgp32.
9914 (PTRDIFF_TYPE): Ditto.
9916 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9918 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
9920 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9922 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
9923 BIGGEST_FIELD_ALIGNMENT a constant.
9925 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
9927 * dwarf2out.c (output_line_info): Put the marker for the end of
9928 the line number info at the actual end.
9929 (gen_struct_or_union_type_die): Use decl_function_context
9930 to check for local classes.
9931 * dwarfout.c (output_type): Likewise.
9933 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
9935 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
9936 for arguments with a mode, but no type.
9937 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
9938 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
9939 * pa/long_double.h: New file.
9940 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
9941 both have 128bit wide long doubles.
9942 * configure: Rebuilt.
9944 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9946 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
9948 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
9949 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
9950 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
9952 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
9954 * integrate.c (compare_blocks, find_block): Likewise.
9956 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
9958 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
9960 * stmt.c (stmt_status, set_file_and_line_for_stmt,
9961 expand_asm_operands): Likewise.
9963 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
9965 * predict.c (estimate_probability): Added the pointer heuristic to
9966 the collection of static branch predictors.
9968 2000-02-21 Catherine Moore <clm@cygnus.com>
9970 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
9971 * invoke.texi (-mfix7000): Document.
9973 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
9975 * diagnostic.c (init_output_buffer): Make it possible to output at
9976 least 32 characters if we're given a too long prefix.
9978 2000-02-20 Mark Mitchell <mark@codesourcery.com>
9980 * varasm.c (initializer_constant_valid_p): Call
9981 lang_expand_constant to simplify the constant.
9983 2000-02-20 Bruce Korb <bkorb@gnu.org>
9985 * fixinc/inclhack.def(stdio_va_list):
9986 typedef needs to be disabled.
9987 * fixinc/inclhack.sh: regen
9988 * fixinc/fixincl.x: regen
9990 2000-02-20 Geoff Keating <geoffk@cygnus.com>
9992 * print-rtl.c (print_rtx): Don't print addresses when
9993 flag_dump_unnumbered.
9995 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9997 * sparc.c (sparc_output_scratch_registers): Mark parameter with
9999 (sparc_va_arg, sparc_flat_output_function_prologue,
10000 sparc_flat_output_function_epilogue): Cast value to unsigned in
10002 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10004 * sparc.md: Add default case in switch.
10006 2000-02-19 Richard Henderson <rth@cygnus.com>
10008 * c-typeck.c (add_pending_init): Don't abort for multiple
10009 fields at the same offset.
10010 (pending_init_member): Test the correct member.
10012 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10014 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10016 (start_catch_handler) : Same.
10018 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10020 * Makefile.in: Have flow.o depend on $(EXPR_H)
10022 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10024 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
10025 * c-decl.c (duplicate_decls, finish_enum): Likewise.
10026 (finish_decl): Remove -Wlarger-than code from here.
10027 * flags.h (id_clash_len): Now int.
10028 (larger_than_size): Now HOST_WIDE_INT.
10029 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
10030 Clean up checking to see if in table.
10031 (make_bit_field_ref): Remove extra parm to bitsize_int.
10032 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
10033 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
10034 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
10035 and for computing size of decl.
10036 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
10037 Move -Wlarger-than code to here.
10038 (layout_record): Remove extra arg to bitsize_int.
10039 Set TYPE_BINFO_SIZE_UNIT.
10040 (layout_union): Remove extra arg to bitsize_int.
10041 Use proper type for size of QUAL_UNION.
10042 (layout_type): Remove extra arg to bitsize_int.
10043 * toplev.c (id_clash_len): Now int.
10044 (larger_than_size): Now HOST_WIDE_INT.
10045 (decode_W_option): Clean up id-clash and larger-than- cases.
10046 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
10047 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
10048 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
10049 (struct tree_decl): New field size_unit.
10050 (size_int_wide): No HIGH operand; NUMBER is now signed.
10051 (size_int_2): Deleted.
10052 (size_int, bitsize_int): Don't use it and rework args.
10053 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
10055 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
10057 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
10059 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10061 * invoke.texi (Warning Options): Add an explanation of why
10062 you might want the -Wfloat-equal flag.
10064 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10066 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
10067 * cppinit.c (new_pending_define): Add cast to avoid warning.
10068 * expmed.c (extract_bit_field): Likewise.
10069 * flow.c (enum reorder_skip_type): New type.
10070 (skip_insns_between_blcok): New it.
10071 Rework to avoid warning about possibly undefined variable.
10072 * function.c (assign_parms): Make thisparm_boundary unsigned.
10073 * genrecog.c (write_switch): Cast XWINT result to int.
10074 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
10075 * mips-tfile.c (init_file): Make two versions of FDR intializer:
10076 one for MIPS and one for Alpha.
10077 (get_tag, copy_object): Add casts to avoid warnings.
10078 * optabs.c (init_one_libfunc): Cast NAME to (char *).
10079 * reload.c (find_reloads): Make TYPE enum reload_type.
10080 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
10081 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
10082 * varasm.c (compare_constant_1): Add cast to avoid warning.
10083 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
10085 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
10086 Cast switch operand of size to int.
10087 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
10088 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
10091 2000-02-18 Nick Clifton <nickc@cygnus.com>
10093 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
10094 anything for an alignment of zero.
10096 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
10097 anything for an alignment of zero.
10099 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
10101 * gcc.texi (Bug Reporting): Refer to bugs.html.
10102 (Bug Lists): Likewise.
10103 * system.h (GCCBUGURL): New preprocessor define.
10104 * rtl.c (fancy_abort): Use it.
10105 * gcc.c (main): Likewise.
10107 2000-02-18 Richard Henderson <rth@cygnus.com>
10109 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
10110 (life_analysis_1): Subsume into ...
10111 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
10112 Use update_life_info for the relaxation.
10113 (update_life_info): Update REG_BASIC_BLOCK for registers live on
10114 entry and regs_live_at_setjmp.
10115 (set_noop_p): Simplify.
10116 (notice_stack_pointer_modification_1): Renamed from s/_1//.
10117 (record_volatile_insns): Split into ...
10118 (delete_noop_moves): ... here,
10119 (notice_stack_pointer_modification): ... here,
10120 (insn_dead_p): ... and here.
10121 (propagate_block): Don't query INSN_VOLATILE.
10122 (mark_used_regs): Mind !PROP_REG_INFO.
10123 * toplev.c (rest_of_compilation): Call mark_constant_function here,
10124 not in life_analysis.
10126 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
10128 * loop.c (canonicalize_condition): New function,
10129 broken out of get_condition.
10130 (get_condition): Use it.
10131 * expr.h (canonicalize_condition): Prototype it.
10133 * tree.h (tree_int_cst_msb): Declare.
10134 * tree.c (tree_int_cst_msb): New function.
10136 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10138 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
10141 * invoke.texi (-fmessage-length=n): Document.
10143 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
10145 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
10147 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10149 * function.c (thread_prologue_and_epilogue_insns): Put a line note
10150 after the prologue.
10152 2000-02-17 Nick Clifton <nickc@cygnus.com>
10154 * config/arm/thumb.c: Replace includes of system headers with
10155 #include "system.h".
10157 2000-02-16 Richard Henderson <rth@cygnus.com>
10159 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
10160 Add crtbeginS.o and crtendS.o.
10161 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
10162 (ENDFILE_SPEC): Use crtendS.o.
10163 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
10165 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
10166 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
10167 shared and present.
10168 (__dso_handle): New variable.
10169 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
10170 bias to __CTOR_END__.
10172 2000-02-16 Richard Henderson <rth@cygnus.com>
10174 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
10176 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
10178 * longlong.h (__clz_tab): Declare as static to match definition.
10180 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
10182 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
10183 (XREF_FILE_NAME): Define.
10185 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
10186 (EH_FRAME_SECTION_ASM_OP): Define.
10187 (IDENT_ASM_OP): Define.
10188 (TEXT_SECTION_ASM_OP): Define.
10189 (CPP_SPEC): Define.
10190 (CTORS_SECTION_ASM_OP): Define.
10191 (CTOR_SECTION_FUNCTION): Use it.
10192 (DTORS_SECTION_ASM_OP): Define.
10193 (DTOR_SECTION_FUNCTION): Use it.
10195 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
10197 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
10200 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
10201 debug_bb_n): New functions.
10202 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
10203 * basic-block.h: Prototype new functions.
10205 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
10207 * configure.in: Add support for avr target.
10208 * configure: Rebuilt.
10210 * invoke.texi: Add AVR invocation docs.
10211 * install.texi: Add information about AVR.
10212 * md.texi: Add AVR constraint letters description.
10213 * extend.texi: Add description for AVR specific attributes.
10215 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
10217 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
10219 2000-02-16 Nick Clifton <nickc@cygnus.com>
10221 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
10222 (make_insn_raw): Move RTL check here.
10224 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10226 * version.c: Include gansidecl.h and version.h.
10228 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
10230 * configure.in (gcc_version): When setting, narrow search to
10231 lines containing `version_string'.
10233 * Makefile.in (mainversion): Likewise.
10234 (GCC_H): New variable.
10235 (gcc.h): Delete target.
10236 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
10237 (version.o): Depend on version.h.
10238 (dbxout.o): Don't depend on gcc.h.
10240 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
10241 Michael Meissner <meissner@cygnus.com>
10243 * md.texi (Simple Constraints): Add item about whitespace.
10244 * genoutput.c (strip_whitespace): New.
10245 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
10246 strip_whitespace for constraints.
10247 Test pointer using NULL, not 0.
10249 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10251 * cpplib.c (do_line): Pedwarn for #line > 32767.
10253 * c-lex.c (readescape): Warn about '\x', but do not reject it.
10255 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
10257 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
10258 to default cpp spec.
10259 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
10260 * cpp.texi: Document __GNUC_PATCHLEVEL__.
10263 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
10266 2000-02-15 Denis Chertykov <denisc@overta.ru>
10268 * configure.in: Add support for avr target.
10270 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10272 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
10273 (sh_addr_diff_vec_mode): Don't declare.
10274 * sh.c (sh_addr_diff_vec_mode): Delete.
10276 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10278 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
10280 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10282 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
10283 (smulsi3_highpart_i): Name.
10284 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
10285 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
10286 (smulsi3_highpart, umulsi3_highpart): Likewise.
10288 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
10289 correctly independent of endianness.
10290 (mulsidi3, umulsidi3): Now define_insn. Hide details that
10291 confuse the optimizers.
10292 (mulsidi3+1, umulsidi3+1): New define_split.
10294 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
10296 * config/sh/sh.md: Guard insn splits against illegal registers.
10297 * config/sh/sh.h: Correct comment about macros.
10299 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10300 Andrew MacLeod <amacleod@cygnus.com>
10302 * Makefile.in (lcm.o): Depend on insn-attr.h.
10303 * basic-block.h (optimize_mode_switching): Declare.
10304 * lcm.c (tm_p.h, insn-attr.h): #include.
10305 (seginfo, bb_info): New structs.
10306 (antic, transp, comp, delete, insert) : New file-scope static variables.
10307 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
10308 (reg_becomes_live, optimize_mode_switching): Likewise.
10309 * tm.texi: Add description of mode switching macros.
10310 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
10312 * sh-protos.h (remove_dead_before_cse): Remove prototype.
10313 (fldi_ok, fpscr_set_from_mem): New prototypes.
10314 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
10315 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
10316 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10317 (sh_flag_remove_dead_before_cse): Remove declaration.
10318 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
10319 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
10320 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
10321 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10322 (barrier_align): Allow for JUMP_INSNS containing a parallel.
10323 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
10324 (fldi_ok): New function.
10325 (get_fpscr_rtx): Add fpscr_rtx as GC root.
10326 (emit_sf_insn): Only generate fpu switches when optimize < 1.
10327 (emit_df_insn): Likewise.
10328 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
10329 (sh_flag_remove_dead_before_cse): Delete.
10330 (get_free_reg, fpscr_set_from_mem): New functions.
10331 * sh.md (movdf, movsf): Remove no_new_pseudos code.
10332 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
10334 2000-02-15 Loren Rittle <ljrittle@acm.org>
10336 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
10338 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10340 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
10341 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
10343 * cccp.c: Include version.h and/or don't declare `version_string'.
10344 * collect2.c: Likewise.
10345 * alpha.c: Likewise.
10346 * arm/aof.h: Likewise.
10347 * arm/coff.h: Likewise.
10348 * arm/elf.h: Likewise.
10349 * arm/pe.h: Likewise.
10350 * arm/tcoff.h: Likewise.
10351 * arm/telf.h: Likewise.
10352 * arm/tpe.h: Likewise.
10353 * arm/vxarm.h: Likewise.
10354 * convex/convex.c: Likewise.
10355 * i386/dgux.c: Likewise.
10356 * i386/sun386.h: Likewise.
10357 * m88k/m88k.c: Likewise.
10358 * mcore/mcore-pe.h: Likewise.
10359 * mips/mips.h: Likewise.
10360 * romp/romp.h: Likewise.
10361 * sh/sh.c: Likewise.
10362 * cpphash.c: Likewise.
10363 * cppinit.c: Likewise.
10364 * dwarf2out.c: Likewise.
10365 * dwarfout.c: Likewise.
10368 * mips-tfile.c: Likewise.
10369 * protoize.c: Likewise.
10370 * toplev.c: Likewise.
10371 * tree.h: Likewise.
10373 * version.c (version_string): Constify a char*.
10375 * version.h: New file.
10377 2000-02-14 Nick Clifton <nickc@cygnus.com>
10379 * configure.in: Add mcore-elf and mcore-pe targets.
10380 * configure: Regenerate.
10382 * NEWS: Add note that MCore port has been contributed.
10384 * invoke.texi: Document command line switches for MCore port.
10385 * install.texi: Add MCore to list of supported targets.
10387 2000-02-14 Geoff Keating <geoffk@cygnus.com>
10389 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
10390 then we will need to import the frame handling functions.
10391 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
10392 to import the frames themselves.
10394 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
10395 Jason Eckhardt <jle@cygnus.com>
10397 * basic_block.h: Added prototype for reorder_basic_blocks.
10398 * toplev.c: Changes to add -freorder-blocks and graph dump after
10399 block reordering is done.
10400 * flow.c (reorder_block_def): New structure for use during block
10402 (REORDER_BLOCK_*): New macros to access members of above structure.
10403 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
10404 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
10405 functions for block reordering.
10407 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
10409 * gcc.texi (Passes): Fix typo.
10410 * md.texi (Standard Names): Ditto.
10411 * tm.texi (Storage Layout): Ditto.
10413 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10415 * cpplib.c (do_define): Only free the old definition if it
10418 2000-02-13 Neil Booth <NeilB@earthling.net>
10420 * cppfiles.c (read_and_prescan): When emitting deferred
10421 newlines, test speccase[] again instead of checking each
10422 possible whitespace character in turn. When we encounter \r,
10423 look behind for \n first, then ahead.
10425 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10427 * cse.c (cse_altered): New internal flag.
10428 (cse_insn): Set it if we changed an insn.
10429 (cse_main): Clear cse_altered before each basic block.
10430 Only garbage collect if cse_altered is true afterward.
10432 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10434 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
10436 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
10438 * combine.c (simplify_comparison): Fix typo.
10440 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
10442 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
10445 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10447 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
10448 previously inserted node instead of root node. Caller changed.
10450 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10452 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
10454 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10456 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
10457 __dereg_frame_dtor): Add prototype argument.
10459 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
10461 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
10463 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
10465 * gthr-vxworks.h (__gthread_once): Likewise.
10467 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
10469 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
10471 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
10472 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
10473 stack pointer in functions w/o saved registers, output LEAVE more often
10474 on TARGET_USE_LEAVE machines.
10476 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
10478 * config/arm/arm.c (arm_init_cumulative_args); New function:
10479 Initlaise the CUMULATIE_ARGS strcuture for a function
10481 (arm_function_arg): New function: Determine where to place a
10482 function's argument. Also handles deciding the function's
10484 (current_file_function_operand): New function: Return true if
10485 the symbol is a function which has already been compiled.
10486 (arm_is_long_call_p): New function: Return true if the
10487 indicated function should be called via a long call.
10488 (arm_valid_type_attribute_p): New function: Return true if the
10489 attribute is a valid, arm specific, attribute.
10490 (arm_comp_type_attribute): New function: Return true if the
10491 two types have compatable, arm specific, attributes.
10493 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
10495 (FUNCTION_ARG): Redefine to call arm_function_arg.
10496 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
10498 (INIT_CUMULATIVE_ARGS): Redefine to call
10499 arm_init_cumulative_args.
10500 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
10502 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
10504 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
10506 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
10507 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
10508 (COMP_TYPE_ATTRIBUTES): Define.
10510 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
10511 if a long call is needed.
10512 (call_value): Call arm_is_long_call_p to decide if a long call
10514 (call_symbol): Call arm_is_long_call_p to decide if a long call
10517 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
10519 2000-02-11 Denis Chertykov <denisc@overta.ru>
10521 * README.AVR: New file with information about the avr ports.
10522 * config/avr: New directory with avr port files.
10524 2000-02-11 Andreas Jaeger <aj@suse.de>
10526 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
10528 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
10530 * cpphash.c: Fix formatting, update commentary.
10531 (dump_definition): Take three separate arguments instead of a
10532 MACRODEF structure argument.
10533 * cpphash.h: Update prototype of dump_definition.
10534 * cppinit.c (cpp_finish): Update call of dump_definition.
10536 * cpplib.c (do_define): Always create new hash entry with
10537 T_MACRO type. Remove redundant check for redefinition of
10538 poisoned identifier. Update call of dump_definition.
10539 (do_undef): Don't call check_macro_name. Rename sym_length to
10541 (do_error, do_warning): Don't use copy_rest_of_line or
10543 (do_warning): Don't use pedwarn for the actual warning,
10544 only the notice about its not being in the standard. (Fixes
10545 bug with #warning in system headers.)
10546 (do_ident): Stricter argument checking - accept only a single
10547 string after #ident. Also, macro-expand the line.
10548 (do_xifdef): Use cpp_defined. De-obfuscate.
10550 (do_pragma): Split out specific pragma handling to separate
10551 functions. Use get_directive_token. Update commentary. Do
10552 not pass on #pragma once or #pragma poison to the front end.
10553 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
10554 do_pragma_default): New.
10556 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
10558 * jump.c (jump_optimize_1): The first operand in a relational
10559 can be a CONST_INT.
10560 * optabs.c (emit_conditional_move): Handle relationals which
10561 have a known true/false result.
10563 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10565 * function.c (thread_prologue_and_epilogue_insns): Don't insert
10566 a RETURN insn into a block which already ends with a jump.
10568 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10570 * haifa-sched.c (BUF_LEN): Increase a lot.
10572 2000-02-11 Nick Clifton <nickc@cygnus.com>
10574 * configure.in: Add tm_p_file specification for thumb targets.
10575 * configure: Regenerate.
10577 * config/arm/thumb-protos.h: New file: Prototypes for exported
10578 functions defined in thumb.c.
10580 2000-02-11 Robert Lipe <robertl@sco.com>
10582 * Makefile.in (bootstrap-lean): Remove additional files.
10583 (bootstrap2-lean): Likewise.
10584 (VOL_FILES): List of files for above.
10586 2000-02-11 Nathan Sidwell <nathan@acm.org>
10588 * cpphash.c (special_symbol): Remove spurious argument to
10591 2000-02-11 Joel Sherrill (joel@OARcorp.com>
10593 * configure.in: (i*86-*-rtems*): Swapped elf and coff
10595 * configure: Rebuilt.
10597 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
10599 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
10601 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
10603 * pa.c, pa.h: Remove trigraph sequences within comments.
10605 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
10607 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
10609 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
10611 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
10613 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10615 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
10617 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10619 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
10620 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
10621 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
10622 (ASM_FILE_END): Use c4x_file_end.
10623 * config/c4x/c4x.c (c4x_global_label): New function.
10624 (c4x_external_ref, c4x_file_end): Likewise.
10626 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
10627 (c4x_external_ref, c4x_end_file): Likewise.
10629 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
10631 * cppexp.c: Don't include cpphash.h.
10632 (parse_charconst, cpp_lex): Use cpp_defined.
10633 (cpp_lex): Use get_directive_token throughout. Remove
10634 unnecessary cases from switch. Move assertion-handling code
10635 down to OTHER case.
10636 (cpp_parse_expr): If we see '+' or '-', check the context to
10637 determine if they are unary or binary operators. Streamline
10638 the jumps a bit. Do not call skip_rest_of_line.
10640 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
10641 static. Export get_directive_token. Update commentary.
10642 (cpp_defined): New function.
10643 (do_define): Remove reference to T_PCSTRING. Call
10644 free_definition to release memory for old definition, when
10645 redefining a macro.
10646 (eval_if_expression): Set only_seen_white to 0 before calling
10647 cpp_parse_expr. Call skip_rest_of_line after it returns.
10648 (cpp_read_check_assertion): Don't preserve a pointer into the
10649 token buffer across a call to cpp_get_token.
10651 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
10652 * cppfiles.c (redundant_include_p): Use cpp_defined.
10653 * cpphash.c (free_definition): New function.
10654 (delete_macro): Use it. Update commentary.
10655 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
10657 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
10658 from enum node_type. Prototype cpp_defined and get_directive_token.
10659 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
10661 * fix-header.c (check_macro_names): Use cpp_defined.
10662 (read_scan_file): Set inhibit_warnings and inhibit_errors in
10663 the options structure.
10665 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10667 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
10669 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
10671 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
10672 rather than die->die_tag.
10674 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10676 * combine.c (make_extraction, force_to_mode): Avoid warning on
10677 mixed-signedness conditionals.
10678 (make_field_assignment, nonzero_bits): Likewise.
10679 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
10680 (store_split_bit_field, extract_split_bit_field): Likewise.
10681 (extract_fixed_bit_field, store_bit_field,
10682 * expr.c: Change alignment to be unsigned everywhere.
10683 (move_by_pieces, store_constructor_field, store_constructor):
10684 Alignment parm is unsigned.
10685 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10686 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10687 (do_compare_rtx_and_jump): Likewise.
10688 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
10689 Compare align with GET_MODE_ALIGNMENT.
10690 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
10691 (get_inner_reference): Likewise.
10692 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
10693 (expand_assignment): Local vars for alignment now unsigned.
10694 (store_constructor, store_field, expand_expr, do_jump): Likewise.
10695 (do_compare_and_jump): Likewise.
10696 (store_field): Call new function expr_align.
10697 * expr.h (emit_block_move, emit_group_load, emit_group_store):
10698 Alignment arg now unsigned.
10699 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10700 (do_compare_rtx_and_jump, store_bit_field): Likewise.
10701 (extract_bit_field): Likewise.
10702 * fold-const.c (add_double): Add cast to eliminate signedness warning.
10703 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
10704 (get_best_mode): Alignment arg is unsigned.
10705 * rtl.h (move_by_pieces): Likewise.
10706 * store-layout.c (maximum_field_alignment, set_alignment):
10708 (layout_decl): Alignment arg is now unsigned.
10709 Remove unneeded casts.
10710 (layout_record, layout_union, layout_type): Remove unneeded casts.
10711 Local alignment variables now unsigned.
10712 (get_best_mode): Alignment arg now unsigned.
10713 * tree.c (expr_align): New function.
10714 * tree.h (expr_align): Likewise.
10715 (maximum_field_alignment, set_alignment): Now unsigned.
10716 (get_inner_reference): Alignment argument is now pointer to unsigned.
10717 * varasm.c (assemble_variable): Add cast to eliminate warning.
10719 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
10721 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
10722 then store directly into op0.
10724 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
10725 the CALL_INSN, and emit the note immediately after it.
10727 2000-02-10 Nick Clifton <nickc@cygnus.com>
10729 * config/arm/thumb.md (epilogue): Include a (return) in the
10730 generated insn, and emit it using emit_jump_insn not
10733 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
10735 * function.c (assign_temp): Change zero-sized arrays to size 1.
10736 * integrate.c (expand_inline_function): Do not update
10737 stack_alignment_needed
10738 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
10739 add some sanity checking, remove optimization for function with
10742 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10744 * flow.c (mark_regs_live_at_end): Delete unused variables.
10746 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
10748 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
10749 in macro FRAME_GROWS_DOWNWARD.
10751 * stmt.c (expand_end_bindings): Delete unused variable.
10753 * unroll.c (iteration_info): Mark parameter `loop' with
10756 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10758 * fixinc/server.c (load_data): Return NULL if the marker line is
10760 (run_shell): If load_data returns NULL, retry the command once, in
10763 * configure: Rebuilt.
10765 2000-02-09 Bruce Korb <bkorb@gnu.org>
10767 * gcc/fixincludes: ** DELETED **
10768 * gcc/fixcpp: ** DELETED **
10769 * gcc/fixinc-nt.sed: ** DELETED **
10770 * gcc/just-fixinc: ** DELETED **
10771 * gcc/Makefile.in: Removed out-dated commentary
10772 * gcc/configure.in: Removed fast-fixincludes disablement.
10773 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
10775 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10776 * function.c (thread_prologue_and_epilogue_insns): Uncomment
10779 2000-02-09 Richard Henderson <rth@cygnus.com>
10781 * jump.c (delete_insn): Don't delete user labels at -O0.
10783 2000-02-09 Robert Lipe <robertl@sco.com>
10785 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
10786 Don't link with HOST_LIBS.
10788 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10790 * configure.in: Correct --help text for --with-dwarf2.
10791 Put tm-dwarf2.h after other tm files, if it's requested.
10792 * configure: Regenerate.
10793 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
10796 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10798 * cpplib.h: Provide HASHNODE typedef and forward decl of
10799 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
10800 DEFINITION, struct hashnode, struct macrodef, struct
10801 definition, scan_decls prototype, default defn of
10802 INCLUDE_LEN_FUDGE moved elsewhere.
10804 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
10805 definition, and struct hashnode moved here. Remove the unused
10806 'predefined' field from struct definition. Replace the 'args'
10807 union with its sole member. All users updated (cpphash.c).
10808 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
10809 multiple include guard.
10811 * cpphash.c (hashf): Make static; use better algorithm; drop
10812 HASHSIZE parameter; return an unsigned int.
10813 (cpp_lookup): Drop HASH parameter. PFILE parameter is
10814 used. Calculate HASHSIZE modulus here.
10815 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
10817 (create_definition): Drop PREDEFINITION parameter.
10818 * cpplib.c (do_define): Don't calculate a hash value here.
10819 Don't pass (keyword == NULL) to create_definition.
10821 * scan.h: Prototype scan_decls here.
10822 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
10823 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
10824 callers of cpp_lookup and cpp_install updated.
10826 * cpphash.c (macarg): Hoist all the flag diddling out of the
10828 (macroexpand): ... and out of the loop that calls macarg.
10829 Skip over the initial paren before macro arguments with
10830 cpp_get_non_space_token; point may be some distance before
10831 that paren. Abort if it's not there.
10833 * cpplib.c (parse_clear_mark): Delete function.
10834 (parse_set_mark, parse_goto_mark): Make static.
10835 (ACTIVE_MARK_P): New macro.
10836 (skip_block_comment, skip_line_comment): Do not bump the line
10837 if ACTIVE_MARK_P is true.
10838 (cpp_pop_buffer): The buffer to be popped may not have an
10840 (cpp_get_token): When looking for the initial paren before
10841 macro arguments, only set a mark in a file buffer, Always
10842 return to that mark before proceeding to call macroexpand or
10843 return a NAME token.
10845 * cpplib.h: Remove prototypes of parse_set_mark,
10846 parse_clear_mark, parse_goto_mark.
10847 (struct cpp_options): Rename 'put_out_comments' to
10848 'discard_comments' and invert its sense.
10849 * cppinit.c, cpphash.c, cpplib.c: All users of
10850 put_out_comments changed to use discard_comments, with
10853 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10855 * function.c (thread_prologue_and_epilogue_insns): Don't delete
10856 the edge from a block that both jumps and falls through to the
10859 2000-02-09 Scott Bambrough <scottb@netwinder.org>
10861 * config/arm/arm.md (movsi): In PIC mode, make sure that a
10862 constant source address is legitimate.
10864 2000-02-09 Philip Blundell <pb@futuretv.com>
10866 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
10869 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
10871 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
10873 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10875 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
10876 ends with a newline and a NUL. Don't be so clever manipulating
10879 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
10881 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
10882 not to BIGGEST_ALIGNMENT.
10884 2000-02-08 Geoff Keating <geoffk@cygnus.com>
10886 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
10887 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
10888 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
10889 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
10890 * frame.c (execute_cfa_insn): Handle
10891 DW_CFA_GNU_negative_offset_extended.
10893 2000-02-08 Richard Henderson <rth@cygnus.com>
10895 * flow.c (tidy_fallthru_edges): Split out from ...
10896 (delete_unreachable_blocks): ... here.
10897 (find_basic_blocks): Use it.
10899 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10901 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
10903 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
10905 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
10906 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
10907 (fix-header.o): Don't depend on cpphash.h.
10909 * scan.c (hashstr): New function.
10910 * scan.h: Prototype it.
10911 * fix-header.c: Don't include cpphash.h. Use hashstr.
10912 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
10913 hashstr. Report hash table statistics. Add private
10914 definition of xrealloc.
10916 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10918 * i386.h (TARGET_SWITCHES): Fix typo in option name.
10920 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
10922 * function.c (thread_prologue_and_epilogue_insns): Don't replace
10923 jumps with returns unless they are jumps to the fallthru block.
10925 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
10927 * i386.md (addqi3_cc): Fix contraints.
10929 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10931 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
10933 2000-02-07 Mark Mitchell <mark@codesourcery.com>
10935 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
10936 carriage return after a macro name.
10938 2000-02-07 Fred Fish <fnf@be.com>
10940 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
10941 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
10943 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
10945 * cppfiles.c (deps_output): Count spacers in deps_column.
10947 2000-02-07 Neil Booth <NeilB@earthling.net>
10949 * cppinit.c (initialize_dependency_output): If there is no
10950 suffix, don't try to look for known suffixes. Use strrchr.
10951 (cpp_start_read): Remove duplicate initialization.
10953 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
10955 * calls.c (compute_argument_block_size): New argument
10956 preferred_stack_boundary.
10957 (expand_call): update cfun->preferred_stack_boundary, update call of
10958 compute_argument_block_size
10959 (emit_library_call): Increate cfun->preferred_stack_boundary
10960 to PREFERRED_STACK_BOUNDARY
10961 (emit_library_call_value): Likewise.
10962 * explow.c (allocate_dynamic_stack_spave): Likewise.
10963 * function.c (prepare_function_start): Set
10964 cfun->preferred_stack_boundary
10965 * function.h (struct function): Add preferred_stack_boundary field.
10966 * integrate.c (expand_inline_function): Update
10967 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
10968 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
10969 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
10971 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
10973 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
10974 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
10975 cpp_pedwarn, cpp_pedwarn_with_line,
10976 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
10977 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
10978 v_cpp_error_with_line, v_cpp_warning_with_line,
10979 cpp_message_from_errno, cpp_perror_with_name): Delete.
10981 * cpperror.c (cpp_print_containing_files): Take starting
10982 buffer as argument.
10983 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
10984 (v_cpp_message): Now called directly by all entry points.
10986 (cpp_pfatal_with_name, cpp_message): Delete.
10987 (cpp_notice_from_errno, cpp_ice): New functions.
10988 (cpp_notice): Is now for reporting error conditions, just
10989 without an associated file.
10990 (cpp_error, cpp_error_with_line): Don't do anything if
10991 opts->inhibit_errors is on.
10992 (cpp_pedwarn_with_file_and_line): Take column argument also.
10994 * cpplib.h: Update prototypes of exported functions.
10995 (struct cpp_options): Add inhibit_errors.
10997 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
10998 non-error messages. Include intl.h.
11000 * cppinit.c, cppmain.c: Likewise. Also, use
11001 cpp_notice_from_errno instead of cpp_perror_with_name or
11002 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11004 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11005 report internal errors.
11007 * cpplib.c (do_define): Switch bcopy to memcpy.
11008 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11010 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11011 bail out early if we hit a line comment.
11013 2000-02-06 Richard Henderson <rth@cygnus.com>
11015 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11016 * basic-block.h: Declare them.
11017 * emit-rtl.h (active_insn_p): New.
11018 (next_active_insn, prev_active_insn): Use it.
11019 * rtl.h: Declare it.
11020 * function.c (emit_return_into_block): New.
11021 (thread_prologue_and_epilogue_insns): Insert return insns instead
11022 of epilogues when possible.
11023 * jump.c (jump_optimize_1): Remove code to insert a return insn
11024 on the fallthru to the exit block.
11026 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
11027 and for non-empty stack frames.
11028 * i386.md (return): Expand to return-pop as needed.
11030 2000-02-06 Richard Henderson <rth@cygnus.com>
11032 * simplify-rtx.c (simplify_relational_operation): Canonicalize
11033 constant to op1 for testing.
11035 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11037 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
11038 (fixuns_truncqfqi2): Use it.
11040 2000-02-06 Richard Henderson <rth@cygnus.com>
11042 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
11043 as a TYPE_LEA insn.
11045 * i386.md (widening and peepholes): Mask the constant instead of
11048 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11050 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
11051 input pointer before possibly branching off to the backslash
11053 * cpphash.c (macroexpand): Correctly delete \r escapes when
11054 stringifying parameters.
11055 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
11056 if we can; bail out early if we hit a line comment.
11057 (handle_directive): Treat '# 123' in an .S file just like
11058 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
11059 Return 1 for '# not_a_directive'.
11060 (get_directive_token): Pop macro buffers here, so that
11061 cpp_get_token can't sneakily move past a newline.
11063 (cpp_get_token): goto randomchar if handle_directive returns 0.
11065 * cppalloc.c: Update copyright.
11066 * cpplib.c: Merge all the static function prototypes into one
11068 * cpplib.h: Remove #if 0 block.
11070 * cpperror.c: Remove #ifdef EMACS block.
11071 * cppmain.c: Likewise.
11072 * cpphash.c: Remove #if 0 blocks.
11073 * cppinit.c: Remove #if 0 blocks, and the -lint option.
11074 * cpplib.c: Remove #if 0 blocks and code referencing
11075 pcp_inside_if or for_lint. Remove duplicate error message.
11076 Fix error messages for #else after #else or #elif. Reformat.
11077 Remove archaic TODO list.
11078 * cpplib.h: Remove pcp_inside_if and for_lint flags.
11080 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11082 * i386/osf1elf.h: Add missing backslash to multiline string.
11084 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11086 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
11088 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11090 * Makefile.in (c-common.o): Depend on $(EXPR_H).
11092 * c-common.c: Include expr.h.
11094 * c-pragma.c (mark_align_stack): Add prototype.
11096 * caller-save.c (add_stored_regs): Likewise.
11098 * combine.c (record_promoted_value): Likewise.
11100 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
11103 * cppinit.c (new_pending_define): Likewise.
11105 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
11107 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
11108 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11109 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
11110 class_scope_p): Likewise.
11112 * dwarf2out.h (dwarf2out_set_demangle_name_func,
11113 dwarf2out_add_library_unit_info): Likewise.
11115 * ggc.h (ggc_page_print_statistics): Likewise.
11117 * haifa-sched.c (propagate_deps): Likewise.
11119 * reg-stack.c (next_flags_user, record_label_references): Likewise.
11121 * rtl.h (set_stack_check_libfunc): Likewise.
11123 * toplev.h (set_fatal_function): Likewise.
11125 * toplev.c (set_fatal_function): Delete prototype.
11127 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
11129 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11131 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
11132 (FUNC_END): Likewise.
11134 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11136 * caller-save.c: Include tm_p.h.
11138 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11140 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
11142 2000-02-04 Neil Booth <NeilB@earthling.net>
11144 * cccp.c (main): Check 'dir' for a NULL pointer before passing
11147 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
11149 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
11150 * genflags.c: Use the max_operand_1 logic from genemit.c to
11151 calculate how many arguments gen_insn prototypes have. Remove
11152 NO_MD_PROTOTYPES ifdefs from the generated file.
11153 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
11154 file. Cast gen_insn initializers to insn_gen_fn.
11155 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
11156 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
11158 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11160 * fixinc/Makefile.in (HDR): Add machname.h.
11163 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11165 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
11166 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
11167 (c4x_cpu_version): Ditto.
11168 * config/c4x/c4x-protos.h: ... here.
11170 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
11172 * dwarf2out.c (add_abstract_origin_attribute): Don't call
11173 gen_abstract_function on our context if we're a nested function.
11175 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11177 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
11178 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
11180 2000-02-04 Bruce Korb <bkorb@gnu.org>
11182 * fixinc/genfixes(machname.h):
11183 Move the functionality from gen-machine.h into this file.
11184 UNdef MN_NAME_PAT if there are no names to change.
11185 Also, be a little kinder when AutoGen is not present.
11187 * fixinc/Makefile.in(machname.h):
11188 Change the generation rule to use genfixes.
11190 * fixinc/fixfixes.c(machine_name):
11191 machine_name_fix's functionality now dependent upon whether
11192 MN_NAME_PAT is defined.
11194 * fixinc/fixtests.c(machine_name):
11197 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
11200 * fixinc/fixlib.h(mn_get_regexps):
11203 * fixinc/gen-machine.h: DELETED
11205 2000-02-04 Jan Hubicka <jh@suse.cz>
11206 Richard Henderson <rth@cygnus.com>
11208 * i386.c (SAVE_REGS_FIRST): Remove.
11209 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
11210 (ix86_compute_frame_size): Likewise.
11211 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
11212 (ix86_emit_restore_regs): Remove.
11213 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
11214 when a frame pointer is in use.
11215 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
11216 instead of pop to restore a register when profitable; emit leave
11218 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
11219 as a TYPE_LEA insn.
11220 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
11221 * i386.md (prologue_allocate_stack): Remove.
11222 (epilogue_deallocate_stack): Remove.
11223 (pro_epilogue_adjust_stack): New.
11225 2000-02-04 Richard Henderson <rth@cygnus.com>
11227 * function.c (diddle_return_value): Rework to use a callback function.
11228 Use current_function_return_rtx if it's been set up.
11229 (do_clobber_return_reg, clobber_return_register): New.
11230 (do_use_return_reg, use_return_register): New.
11231 (expand_function_end): Use them.
11232 * stmt.c (expand_null_return): Likewise.
11233 * function.h: Declare them.
11234 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
11235 (mark_reg): Change arguments as appropriate for callback.
11236 * integrate.c (expand_inline_function): Revert 19 Jan change.
11238 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
11240 * tm.texi (Values in Registers): Fix typo: "fo" "for".
11241 (Misc): Say the scheduler, not the Haifa scheduler.
11243 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
11245 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
11246 when in_mem is set. Update all callers.
11248 2000-02-04 Richard Henderson <rth@cygnus.com>
11250 * i386/openbsd.h (INT_ASM_OP): Define.
11252 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
11254 * tm.texi: Fix various typos.
11256 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
11258 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
11259 (MD_STARTFILE_PREFIX_1): New macro.
11261 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
11263 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
11264 destination when needed.
11265 (strmovsi, strsetsi): New expander.
11266 (strmovsi_1, strsetsi_1): New pattern.
11267 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
11268 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
11269 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
11270 * invoke.texi (align-stringops, inline-all-stringops): Document.
11272 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
11274 * i386/netbsd.h (INT_ASM_OP): Define.
11276 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
11278 * cpplib.h (cpp_reader): Add new flag, no_directives.
11279 * cpphash.c (macarg): Set it.
11280 * cpplib.c (handle_directive): If no_directives is on and we
11281 find a directive, issue an error and discard the line.
11283 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
11285 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
11286 FP constants. Add ! TARGET_FPU check for FP constants.
11288 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
11290 * flow.c (find_basic_blocks): Don't kill label_value_list
11292 (cleanup_cfg): Kill it here.
11294 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11296 * expr.c (store_field): Ensure ALIGN is no stricter than the
11299 2000-02-02 Richard Henderson <rth@cygnus.com>
11301 * jump.c (delete_insn): Partially revert 19 Jan change;
11302 don't convert unused code labels to notes at -O0.
11304 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11306 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
11307 split_all_insns to recreate REG_LABEL notes for flow2 pass.
11309 2000-02-01 Richard Henderson <rth@cygnus.com>
11311 * i386.c (general_no_elim_operand): New.
11312 (nonmemory_no_elim_operand): New.
11313 (ix86_expand_move): Copy eliminable operands before a push.
11314 * i386-protos.h: Declare new functions.
11315 * i386.h (CAN_ELIMINATE): Simplify.
11316 (PREDICATE_CODES): Update.
11317 * i386.md (push insns): Don't allow eliminable register operands.
11319 2000-02-01 Richard Henderson <rth@cygnus.com>
11321 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
11322 replace BLKmode with DECL_RTL's mode.
11324 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
11326 * frame.c (find_fde): Convert for loop to do-while so compiler
11327 sees it's always executed at least once.
11328 * libgcc2.c (BBINBUFSIZE): Kill.
11329 (__bb_init_prg): Use fgets.
11330 (__bb_exit_trace_func): Don't paste strings.
11331 * unroll.c (unroll_loop): Initialize unroll_type, not
11332 unroll_number, and tweak logic to match.
11334 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
11336 (ix86_flags_dependant): Likewise. Disentangle control flow.
11337 (ix86_sched_reorder): Break guts out to
11338 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
11339 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
11342 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
11343 use string concatenation. Don't save and restore esi.
11345 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
11346 (machname.h): Remove script to separate file. Use two-step
11347 sequence so target is not created if script fails.
11348 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
11349 identifiers are defined.
11350 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
11351 an empty string, machine_name doesn't need to do anything at
11353 (is_cxx_header): Add more cases to regexp.
11354 * fixinc/fixlib.h: Update prototype.
11355 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
11357 * fixinc/fixincl.c: Define NO_BOGOSITY.
11359 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
11360 (hp_sysfile): Add missing comma.
11361 (math_exception): Put the wrapper ifdefs at the beginning and
11362 the end of the file.
11363 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
11365 2000-02-01 Richard Henderson <rth@cygnus.com>
11367 * sparc.c (fp_zero_operand): Turn into a normal predicate.
11368 Use CONST0_RTX. Update all callers.
11369 * sparc.h, sparc-protos.h: Update accordingly.
11370 * sparc.md (fp mov insns): Use fp_zero_operand directly
11373 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11375 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
11378 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11380 * Makefile.in (specs.ready): New target.
11381 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
11383 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11385 * fixinc.irix: Use unique filenames for writing into /tmp,
11386 * fixinc.ptx: Likewise.
11387 * fixinc.sco: Likewise.
11388 * fixinc.svr4: Likewise.
11389 * fixinc.winnt: Likewise.
11391 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11393 * tsystem.h: New file.
11395 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
11396 s-crtS): Depend on tsystem.h.
11398 * crtstuff.c: Include tsystem.h.
11399 * frame.c: Likewise.
11400 * libgcc2.c: Likewise.
11402 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
11404 * builtins.c (expand_builtin_memset): Expand for variable sized
11407 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
11409 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
11412 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11414 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
11416 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
11418 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
11420 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
11421 case 3->2 combining (combining with splitting) in which 2 is CC0
11422 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
11423 checked at the begining of the function with the aid of calling
11424 function 'can_combine_p'.
11426 2000-01-31 Dave Brolley <brolley@redhat.com>
11428 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
11430 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
11432 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
11435 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11437 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
11439 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
11442 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11444 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
11445 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
11446 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
11447 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
11448 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
11449 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
11450 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
11451 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
11452 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
11453 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
11455 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
11456 Add %(cpp_cpu) to CPP_SPEC.
11458 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
11459 Add %(cc1_cpu) to CC1_SPEC.
11461 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11463 * c-decl.c (c_decode_option): Accept optional numeric argument to
11464 -Wformat and set warn_format.
11465 * c-common.c: Don't emit warning about non-constant printf format
11466 string unless warn_format > 1.
11468 2000-01-30 Richard Henderson <rth@cygnus.com>
11470 * alpha.md (return_internal): Allow after reload only.
11472 2000-01-30 Richard Henderson <rth@cygnus.com>
11474 * i386.c (ix86_compute_frame_size): Omit padding1 if the
11475 local frame size is zero.
11477 2000-01-30 Richard Henderson <rth@cygnus.com>
11479 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
11480 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
11481 * alpha.md (return): Turn into an expander.
11482 (return_internal): Don't use $26.
11483 (epilogue): Emit the return insn.
11485 2000-01-30 Richard Henderson <rth@cygnus.com>
11487 * alpha.md (negtf2, abstf2): Fix word order thinko.
11488 (extendsftf2): New.
11489 (trunctfsf2): Avoid intermediate rounding errors.
11491 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11493 * cppfiles.c (find_position): Drop 'colp' argument, return the
11495 (read_and_prescan): Adjust to match. Don't ever manipulate
11496 line or line_base except via find_position.
11498 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11500 * c-parse.in: Apply Ulrich's changes from c-parse.y.
11501 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
11504 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11506 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
11507 just print "<command line>". If 'filename' is null or an
11508 empty string, print "<stdin>" for the filename.
11509 * cpplib.c (do_define): Don't print the 'location of the
11510 previous definition' message if we're still parsing the
11512 (cpp_pedwarn_with_file_and_line): Always call
11513 cpp_file_line_for_message.
11515 2000-01-29 Mark Mitchell <mark@codesourcery.com>
11517 * flow.c (mark_regs_live_at_end): Fix typo.
11519 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11521 * c-common.c: Adjust variable names, comments, help strings to c99.
11522 * c-lex.c: Likewise.
11523 * c-parse.y: Likewise.
11524 * c-tree.h: Likewise.
11525 * cccp.c: Likewise.
11526 * cpplib.h: Likewise.
11527 * c-decl.c: Likewise. Recognize options with names "*99" as well.
11528 * cppinit.c: Likewise.
11530 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11532 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
11533 * c4x.c: Define the optab rtx values.
11534 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
11535 (c4x_emit_libcall): Use new optab rtx values.
11536 (c4x_emit_libcall3): Likewise.
11537 (c4x_emit_libcall_mulhi): Likewise.
11538 * c4x-protos.h: Add prototypes for optab rtx values and change
11539 prototypes for above c4x_emit_libcall functions.
11541 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11543 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
11545 (c4x_function_prologue): Use regnames intead of float_reg_names when
11547 (c4x_function_epilogue): Likewise.
11548 (c4x_print_operand): Likewise.
11549 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
11550 * c4x.md (set_high): Disable for TARGET_TI.
11552 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11554 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
11555 of framepointer + constant to ADDR_REGS class.
11556 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
11557 * c4x.c (std_or_reg_operand): New function.
11558 * c4x-protos.h (std_or_reg_operand): Prototype it.
11560 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11562 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
11563 object names as libgcc2.c.
11564 * libgcc.S: Use newly defined names.
11566 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
11567 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
11569 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
11570 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
11571 (FLOW_LOOP_LAST_BLOCK): Likewise.
11573 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11575 * basic-block.h (struct loop): New fields 'first' and 'last'.
11576 * flow.c (flow_loops_find): Compute loop->first and loop->last.
11577 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
11578 and loop->last to check for NOTE_INSN_LOOP_END.
11580 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
11582 * predict.c (estimate_probability): Use the new FIRST and LAST fields
11583 of the loop descriptor rather than HEADER and LATCH. Also added
11584 missing break statements as well making some coding style modifications
11585 as suggested by Michael Hayes.
11587 2000-01-28 Richard Henderson <rth@cygnus.com>
11589 * flow.c (find_basic_blocks): Remove do_cleanup argument.
11590 Break out that code ...
11591 (cleanup_cfg): ... here.
11592 (commit_one_edge_insertion): Detect a return instruction being
11593 emitted to an edge. Emit a barrier following; clear fallthru.
11594 (commit_edge_insertions): Verify CFG consistency.
11595 * function.c (expand_function_start): Kill unused variable.
11596 (expand_function_end): Likewise.
11597 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
11598 to insert the epilogue.
11600 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
11601 (delete_null_pointer_checks): Likewise.
11602 * output.h: Likewise.
11603 * reg-stack.c (reg_to_stack): Likewise.
11604 * toplev.c (rest_of_compilation): Likewise. Run
11605 thread_prologue_and_epilogue_insns after rebuilding the CFG.
11607 2000-01-28 Richard Henderson <rth@cygnus.com>
11609 * Makefile.in (flow.o): Revert 24 Jan change.
11610 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
11611 FUNCTION_VALUE result to DECL_RESULT's mode.
11613 * haifa-sched.c (schedule_insns): Don't recompute reg info
11616 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
11618 * configure.in: Make --enable-cpplib the default.
11619 * configure: Regenerate.
11620 * gcc.dg/990119-1.c: No longer expected to fail.
11622 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
11624 * jump.c (jump_optimize_1): Delete an optimization that is also done
11625 by merge_blocks in flow.
11627 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11629 * diagnostic.c (build_message_string, output_printf,
11630 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
11631 (build_location_prefix): Fix non-literal format string.
11633 2000-01-27 Richard Henderson <rth@cygnus.com>
11635 * alpha.md (trunctfsf2): New.
11637 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
11639 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
11641 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11643 * cppinit.c (cpp_handle_option): Recognize C++ comments under
11645 * cpplib.c (skip_block_comment, skip_line_comment): Split code
11647 (skip_comment) ... here. Permit C++ comments in system
11648 headers always. Warn about C++ comments in user code under
11649 -std=gnu89 -pedantic.
11650 (copy_comment): Use skip_comment.
11651 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
11653 (consider_directive_while_skipping, do_else, do_endif): Call
11654 validate_else unconditionally.
11655 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
11656 text after the conditional in a system header.
11657 * cpplib.h (struct cpp_buffer): Add flag
11658 warned_cplusplus_comments.
11660 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11662 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
11663 Use unshare_all_rtl_1.
11664 (unshare_all_rtl_again): New function.
11665 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
11667 * function.c (purge_addressof_1): Use unshare_all_rtl_again
11668 rather than resetting the 'used' flags ourself.
11670 * toplev.c (rest_of_compilation): Add current_function_decl
11671 to the unshare_all_rtl call.
11672 * tree.h: Prototype unshare_all_rtl.
11673 * rtl.h: Prototype unshare_all_rtl_again here.
11675 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11677 * genoutput.c (output_prologue): Include ggc.h in generated
11679 * Makefile.in (insn-output.o): Depends on ggc.h.
11681 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
11682 Hans-Peter Nilsson <hp@bitrange.com>
11684 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
11685 Remove redundant include of xm-ns32k.h.
11686 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
11687 Remove redundant include of xm-ns32k.h.
11688 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
11689 Remove redundant include of xm-ns32k.h.
11690 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
11692 * ns32k/ns32k.h: Update comment on multiply-add instructions.
11693 (TARGET_SWITCHES): Add documentation strings.
11694 (DWARF_FRAME_REGNUM): Override default definition.
11695 (REG_CLASS_CONTENTS): Add comments.
11696 (SUBSET_P): Format to reduce line length.
11697 (SMALL_REGISTER_CLASSES): Make a run time option.
11698 (GO_IF_NONINDEXED_ADDRESS): Reformat.
11699 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
11700 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
11701 (regclass_map): fix typo in comment.
11702 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
11703 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
11704 (trace, reg_or_mem_operand): Delete, unused function.
11705 (calc_address_cost): Small offsets are cheaper than large ones.
11706 (expand_block_move): Generate more efficient code when bytes is a
11707 known at compile time.
11708 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
11709 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
11710 instead of reg_or_mem_operand.
11712 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
11713 not general_operand. Similarly use "=rm" or stricter, not "=g".
11714 For input operands, use stricter constraints than "g" if not
11715 general_operand. Similarly use stricter predicate than
11716 "general_operand" when stricter constraints than "g" are present,
11717 except for matching constraints.
11718 (movstrsi): Use "memory_operand" for operands 0 and 1.
11719 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
11720 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
11721 not reg_or_mem_operand.
11722 (udivmoddisi4): Ditto.
11723 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
11724 Use nonimmediate_operand for operand 3, not register_operand.
11725 (udivmoddiqi4_internal): Use register_operand for operand 1, not
11726 reg_or_mem_operand.
11728 2000-01-27 Fred Fish <fnf@be.com>
11730 * gthr-posix.h: Fix typo; compatibily -> compatibility.
11731 * gthr-single.h: Likewise.
11732 * gthr-solaris.h: Likewise.
11733 * gthr-vxworks.h: Likewise.
11734 * gthr-win32.h: Likewise.
11735 * gthr.h: Likewise.
11737 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11739 * cppinit.c: Add " (cpplib)" to end of string printed by
11742 2000-01-27 Richard Henderson <rth@cygnus.com>
11744 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
11745 testing for a signed comparison.
11746 (alpha_emit_floatuns): New.
11747 * alpha-protos.h: Declare it.
11748 * alpha.md (floatunsdisf2, floatunsdidf2): New.
11749 (extendsfdf2): Tidy.
11751 2000-01-27 Jakub Jelinek <jakub@redhat.com>
11753 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
11754 no -g option specifying debugging format, default to -gstabs+.
11756 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11758 * calls.c (special_function_p): New argument fork_or_exec.
11759 (expand_call): When profile_arc_flag is set and the function
11760 is in the fork_or_exec group, call __bb_fork_func first.
11761 * libgcc2.c, _bb module (__bb_fork_func): New function.
11762 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
11764 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
11765 * tree.h (special_function_p): Update prototype.
11767 2000-01-26 Richard Henderson <rth@cygnus.com>
11769 * alpha.c (alpha_split_tfmode_pair): New.
11770 * alpha-protos.h: Declare it.
11771 * alpha.md (abstf2, negtf2): New.
11772 (movtf insn): Add input G constraint.
11773 (movtf splitter): Use alpha_split_tfmode_pair.
11775 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11777 * i386/cygwin.h: PROTO -> PARAMS.
11779 2000-01-26 Jakub Jelinek <jakub@redhat.com>
11781 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
11782 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
11783 using _Qp_cmp/_Q_cmp and testing the return value.
11784 (print_operand): Call reverse_condition_maybe_unordered if
11785 we are handling CCFPmode or CCFPEmode.
11786 Handle ORDERED, UN* and LTGT comparisons.
11787 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
11788 if not TARGET_HARD_QUAD.
11789 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
11790 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
11791 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
11792 Adjust gen_b* calls so that they reflect return comparison of
11793 sparc_emit_float_lib_cmp.
11795 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11797 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
11798 incoming operands array is large enough for one more operand.
11799 (alpha_emit_xfloating_arith): Likewise.
11801 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11803 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
11804 file with one line and no trailing newline.
11805 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
11806 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
11807 checking if the match is on the line.
11808 * fixinc/gnu-regex.c: Provide regerror not __regerror.
11810 2000-01-25 Richard Henderson <rth@cygnus.com>
11812 * sparc.c (output_cbranch): Fix accidental squashing of the
11813 fp branch pre-delay nop.
11815 2000-01-25 Richard Henderson <rth@cygnus.com>
11817 * tree.def (UNNE_EXPR): Remove.
11818 * c-typeck.c (build_binary_op): Don't handle it.
11819 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
11821 * rtl.def (UNNE): Remove.
11823 * jump.c (reverse_condition): Update accordingly.
11824 (swap_condition): Likewise.
11825 (comparison_dominates_p): Handle unordered comparisons.
11826 (reverse_condition_maybe_unordered): New.
11827 * rtl.h (reverse_condition_maybe_unordered): Declare.
11829 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
11830 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
11831 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
11832 * sparc.md (bltgt): New.
11834 2000-01-25 Nick Clifton <nickc@redhat.com>
11836 * emit-rtl.c (emit_insn): Only check machine class insns for
11837 improper emission of a RETURN.
11839 2000-01-25 Richard Henderson <rth@cygnus.com>
11841 * Makefile.in (flow.o): Depend on $(EXPR_H).
11842 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
11843 duplicate the structure of diddle_return_value for keeping regs live.
11845 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11847 * loop.c (current_loop_info): Delete.
11848 (consec_sets_invariant_p): Add loop argument, update callers.
11849 (get_condition_for_loop): Likewise.
11850 (count_nonfixed_reads, update_giv_derive): Likewise.
11851 (simplify_giv_expr, general_induction_var): Likewise.
11852 (consec_sets_giv, recombine_givs): Likewise.
11853 (move_movables): Delete loop_start and loop_end arguments,
11854 add loop argument, and update callers.
11855 (find_mem_givs, check_final_value): Likewise.
11856 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
11857 (loop_invariant_p): Rename from invariant_p, add loop argument, and
11859 (basic_induction_var): Add loop argument, delete loop_level argument,
11860 and update callers.
11861 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
11862 add loop argument, and update callers.
11863 (find_splittable_regs, find_splittable_givs): Likewise.
11864 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
11865 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
11866 (biv_total_increment): Delete loop_start and loop_end arguments;
11868 (precondition_loop_p): Delete loop_start and loop_info arguments;
11870 * loop.h (get_condition_for_loop): Add loop argument.
11871 (biv_total_increment): Delete loop_start and loop_end arguments.
11872 (precondition_loop_p): Delete loop_start and loop_info arguments;
11874 (final_biv_value): Delete loop_start and loop_end arguments;
11876 (final_giv_value, back_branch_in_range_p): Likewise.
11878 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11880 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
11882 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11884 * Makefile.in (c-gperf.h) : Change the "See" pointer to
11885 point to the new "generated_files" doc.
11887 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11889 * config/fp-bit.c (_unord_f2): Fix typo.
11891 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11893 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
11894 c-typeck.c, objc/objc-act.c: Remove all references to obstack
11895 functions obsoleted by GC, such as push_obstacks_nochange,
11896 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
11897 and code which existed only to decide whether or not to call
11898 them. Remove now-unused NESTED argument from start_function;
11899 all callers changed. Do not change behavior based on ggc_p.
11900 The use of the ixp_obstack in c-iterate.c and the util_obstack
11901 in objc/objc-act.c remain; these are not obsoleted by garbage
11903 * c-tree.h: Update prototype for start_function.
11905 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
11907 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11909 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
11912 2000-01-25 Richard Henderson <rth@cygnus.com>
11914 * sparc-protos.h (select_cc_mode): Declare.
11915 * sparc.c (select_cc_mode): New. Handle unordered compares.
11916 (output_cbranch): Always reverse via code change. Handle
11917 unordered compares. Factor tests and string updates.
11918 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
11919 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
11920 * sparc.md (bunordered, bordered): New.
11921 (bungt, bunlt, buneq, bunge, bunle): New.
11923 2000-01-25 Richard Henderson <rth@cygnus.com>
11925 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
11926 * ggc-common.c (ggc_add_rtx_varray_root): New.
11927 (ggc_mark_rtx_varray): New.
11928 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
11929 functions down below ggc_mark_foo.
11930 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
11932 2000-01-25 Richard Henderson <rth@cygnus.com>
11934 * alpha.c (secondary_reload_class): Don't allocate a secondary
11935 for integral mode memories into FLOAT_REGS. Rearrange the more
11936 complicated memory expression inward.
11938 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11940 * inclhack.def: Fixes to play nicer with FreeBSD, and
11941 corrections to comments.
11942 (cxx_unready): Add select expression.
11943 (irix_sockaddr): Add bypass expression.
11944 (machine_ansi_h_va_list): New fix.
11945 (stdio_va_list): No need to edit _BSD_VA_LIST_.
11946 Split out addition of "#include <stdarg.h>" to...
11947 (stdio_stdarg_h): ... here.
11948 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
11949 to stdlib.h also. Do not munge _BSD_SIZE_T_.
11950 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
11952 (ultrix_ifdef): Tighten up select expression.
11954 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
11955 re_ct and max_mach to avoid use of shell. Make printed names
11956 match names in inclhack.def. Use static copyright date.
11957 Don't count c_test and test expressions as requiring regex_t
11958 slots. Add some commentary.
11959 * inclhack.tpl: Do not include the 'This script contains N
11960 fixup scripts' line if PROGRAM is defined. Use static
11963 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
11965 * dwarf2out.c: include "varray.h", not dyn-string.h.
11966 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
11967 (addr_const_to_string, addr_to_string): Lose.
11968 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
11969 (struct dw_val_struct): val_addr is now an rtx.
11970 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
11971 (used_rtx_varray): New varray.
11972 (dwarf2out_init): Initialize it.
11973 (save_rtx): New fn.
11974 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
11976 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
11977 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
11978 * Makefile.in (dwarf2out.o): Update dependencies.
11980 2000-01-24 Richard Henderson <rth@cygnus.com>
11982 * i386.c (i386_dwarf_output_addr_const): New.
11983 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
11985 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
11987 * dwarfout.c (output_mem_loc_descriptor): Likewise.
11988 * i386.c (i386_simplify_dwarf_addr): New.
11989 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
11991 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
11993 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
11994 TYPE_STUB_DECL is NULL.
11996 2000-01-24 Richard Henderson <rth@cygnus.com>
11998 * builtins.c (expand_tree_builtin): Move ...
11999 * c-common.c (expand_tree_builtin): ... here.
12001 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12003 * loop.h (LOOP_INFO): New accessor macro.
12004 * basic-block.h (struct loop): Rename field `info' to `aux'.
12005 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12006 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12007 * unroll.c (loop_iterations, unroll_loop): Likewise.
12009 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12011 * config/i386/t-cygwin: Accomodate new winsup directory layout
12012 when searching for include files.
12014 2000-01-24 Richard Henderson <rth@cygnus.com>
12016 * rtl.def: Add unordered fp comparisions.
12017 * tree.def: Likewise.
12018 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12020 * builtins.c (expand_tree_builtin): New function.
12021 * c-typeck.c (build_function_call): Use it.
12022 (build_binary_op): Support unordered compares.
12023 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
12025 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
12026 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
12027 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
12028 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
12029 * jump.c (reverse_condition): Don't abort for UNLE etc, but
12031 (swap_condition): Handle unordered compares.
12032 (thread_jumps): Check can_reverse before reversing.
12033 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
12036 * optabs.c (can_compare_p): New argument CODE. Verify branch or
12037 setcc is present before acking for cmp_optab. Update all callers.
12038 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
12039 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
12040 * expr.c (expand_expr): Likewise. Support unordered compares.
12041 (do_jump, do_store_flag): Likewise.
12042 * expr.h (enum libfunc_index): Add unordered compares.
12044 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
12045 (DPBIT_FUNCS): Add _unord_df.
12046 * config/fp-bit.c (_unord_f2): New.
12047 * fp-test.c (main): Try unordered compare builtins.
12049 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
12050 * alpha.c (alpha_comparison_operator): Check mode properly.
12051 (alpha_swapped_comparison_operator): Likewise.
12052 (signed_comparison_operator): Likewise.
12053 (alpha_fp_comparison_operator): New.
12054 (alpha_emit_conditional_branch): Handle unordered compares.
12055 * alpha.h (PREDICATE_CODES): Update.
12056 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
12057 (bunordered, bordered): New.
12059 2000-01-24 Richard Henderson <rth@cygnus.com>
12061 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
12062 * alpha.md (movtf): New expander, insn, and splitter.
12064 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
12066 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12069 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
12071 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
12072 (FIXED_REGISTERS, CALL_USED_REGISTERS,
12073 REG_ALLOC_ORDER): Add frame pointer
12074 (FRAME_POINTER_REGNUM): Set to 20
12075 (HARD_FRAME_POINTER_REGNUM): New macro.
12076 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
12077 to HARD_FRAME_POINTER.
12078 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
12079 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
12080 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
12081 (HI_REGISTER_NAMES): Add "frame".
12082 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
12083 (debug_reg): Handle FRAME_POINTER_REGNUM.
12084 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
12085 GENERAL_REGS and INDEX_REGS.
12086 * i386.c (SAVED_REGS_FIRST): new macro.
12087 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
12088 (ix86_decompose_address, memory_address_length): Likewise.
12089 (regclass_map): Add frame pointer.
12090 (call_insn_operand): Handle frame_pointer_rtx.
12091 (reg_no_sp_operand): Likewise.
12092 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
12093 (print_operand, legitimize_pic_address): Fix formating.
12094 (ix86_compute_frame_size): Make static, update prototype, new
12095 parameters padding1, padding2, use ix86_nsaved_regs, use
12096 stack_alignment_needed.
12097 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
12098 to HARD_FRAME_POINTER_REGNUM conversions.
12099 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
12100 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
12101 (print_reg): Abort on FRAME_POINTER_REGNUM
12103 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
12105 * i386.h (PREDICATE_CODES): Add aligned_operand.
12106 * i386.c (aligned_operand): New function.
12107 (ix86_aligned_p): Kill.
12108 * i386.md (movhi_1): Emit mov for aligned operands.
12109 (promoting peep2s): Use aligned_operand.
12111 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
12113 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
12114 expression to allow underscores in macro names.
12115 (fix_char_macro_defines): Increment scanning pointer.
12117 2000-01-23 Richard Henderson <rth@cygnus.com>
12119 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
12120 * alpha/osf5.h: New file.
12121 * configure.in (alpha-*-osf5): Add it to tm_file.
12123 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
12125 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
12126 (alpha_emit_xfloating_cvt, function_arg): Declare.
12127 * alpha.c (alpha_emit_conditional_branch): Call
12128 alpha_emit_xfloating_compare for TFmode compares.
12129 (alpha_lookup_xfloating_lib_func): New.
12130 (alpha_compute_xfloating_mode_arg): New.
12131 (alpha_emit_xfloating_libcall): New.
12132 (alpha_emit_xfloating_arith): New.
12133 (alpha_emit_xfloating_compare): New.
12134 (alpha_emit_xfloating_cvt): New.
12135 (print_operand): Add default abort case.
12136 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
12137 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
12138 (BIGGEST_ALIGNMENT): Increase to 128 bits.
12139 (RETURN_IN_MEMORY): True for TF/TCmode.
12140 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
12141 (FUNCTION_ARG): Move to function_arg.
12142 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
12143 (ASM_OUTPUT_LONG_DOUBLE): New.
12144 (ASM_OUTPUT_DOUBLE): Always output bits.
12145 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
12146 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
12147 (extenddftf2, trunctfdf2): New.
12149 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12151 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
12152 * config/sparc/sol2.h: ... here.
12154 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12156 * basic-block.h (struct loops): New field `levels'.
12157 * flow.c (flow_loops_level_compute): Traverse all outer loops.
12158 (flow_loop_level_compute): Initialise level to 1.
12159 (flow_loops_find): Set loops->levels.
12160 (flow_loops_dump): Print loops->levels.
12162 2000-01-23 Richard Henderson <rth@cygnus.com>
12164 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
12165 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
12167 2000-01-23 Richard Henderson <rth@cygnus.com>
12169 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
12170 * i386.h (DBX_REGISTER_NUMBER): Use them.
12171 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
12172 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
12173 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
12174 * i386/sequent.h: Kill incorrect comment.
12176 2000-01-23 Mark Mitchell <mark@codesourcery.com>
12178 * ggc-page.c (struct page_entry): Make `context_depth' an
12180 (struct globals): Likewise.
12182 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
12184 * loop.c (check_dbra_loop): When checking a loop for
12185 reversability, check the source of any stores to ensure
12186 they don't depend on an initial value.
12188 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12190 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
12192 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
12194 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
12195 'pz_scan' into scope of entire function. Only affects
12196 compiles with -DDEBUG.
12198 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
12200 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
12201 section naming to that prior to 2000-01-07 patch.
12202 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
12203 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
12204 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
12205 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
12206 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
12208 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
12210 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
12213 2000-01-21 Jim Wilson <wilson@cygnus.com>
12215 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
12216 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
12218 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12220 * cpphash.c (change_newlines): Delete function.
12221 (struct argdata): Delete 'newlines' and 'use_count' fields.
12222 (macroexpand): Remove code referencing those fields.
12224 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12226 * loop.c (loops_info): New variable.
12227 (loop_optimize): Allocate loops->array and free it on exit.
12228 Allocate memory for loops_info and assign to each loop,
12230 (find_and_verify_loops): Do not allocate loops->array.
12232 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12234 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
12236 2000-01-21 Jakub Jelinek <jakub@redhat.com>
12238 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
12239 pseudos if expanded after first flow.
12240 (movdi_pic_label_ref): Likewise.
12242 2000-01-20 Richard Henderson <rth@cygnus.com>
12244 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
12246 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
12248 * Makefile.in (fixinc.sh): Depend on specs.
12249 * fixinc/Makefile.in: Add rule to create machname.h.
12250 (fixlib.o): Depend on machname.h.
12251 * fixinc/fixtests.c (machine_name): New test.
12252 * fixinc/fixfixes.c (machine_name): New fix.
12253 * fixinc/fixlib.c (mn_get_regexps): New helper function for
12254 the machine_name test and fix.
12255 * fixinc/fixlib.h: Prototype it.
12256 * fixinc/inclhack.def (machine_name): Use the C test and fix.
12257 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
12259 * gcc.c (do_spec_1) [case P]: Take care not to create
12260 identifiers with three leading or trailing underscores.
12262 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
12263 (fixincl): Don't specify libraries twice on link line.
12264 (gnu-regex.o): Remove special rule.
12265 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
12266 defined by config.h. Do not define _REGEX_RE_COMP.
12267 (regcomp): Allocate and initialize a fastmap.
12268 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
12270 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
12272 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
12274 2000-01-19 Richard Henderson <rth@cygnus.com>
12276 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
12277 arguments with BB. Update all callers. Tidy line wrapping.
12279 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
12281 * emit-rtl.c (try_split): Return last_insn if we split the
12284 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
12286 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
12287 (ix86_initial_elimination_offset): Declare.
12288 * i386.c (ix86_nsaved_regs): Break out from ...
12289 (ix86_can_use_return_insn_p): ... here.
12290 (ix86_emit_save_regs): Break out from ...
12291 (ix86_expand_prologue): ... here.
12292 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
12294 (ix86_expand_epilogue): ... here.
12295 (ix86_compute_frame_size): Make static, add prototype.
12296 (ix86_initial_elimination_offset): Break out from ...
12297 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
12299 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12301 * recog.h (OUT_FCN): Delete.
12303 * vax.md: Call `get_insn_template' instead of OUT_FCN.
12305 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12307 * cppalloc.c: PROTO -> PARAMS.
12308 * cpperror.c: Likewise.
12309 * cppfiles.c: Likewise.
12310 * cpplib.c: Likewise.
12311 * cpplib.h: Likewise.
12313 * config/arm/arm-protos.h: PROTO -> PARAMS.
12314 * config/arm/arm.c: Likewise.
12315 * config/c4x/c4x.c: Likewise.
12316 * config/fr30/fr30-protos.h: Likewise.
12317 * config/nextstep.c: Likewise.
12318 * config/pa/pa.c: Likewise.
12319 * config/pj/pj.c: Likewise.
12320 * config/rs6000/rs6000.c: Likewise.
12321 * config/v850/v850-protos.h: Likewise.
12322 * config/v850/v850.c: Likewise.
12324 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12326 * i370-protos.h: New file.
12328 * i370.c: Include tm_p.h. Fix compile time warnings.
12330 * i370.h: Move prototypes to i370-protos.h. Fix compile time
12333 * i370.md: Likewise.
12335 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12337 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
12338 (target_isinf, target_isnan, eisnan): Mark parameter with
12340 (eiisinf): Wrap in INFINITY.
12341 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
12342 (ibmtoe): Remove unused variable `rndsav'.
12344 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12346 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
12347 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
12349 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
12351 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
12352 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
12353 (fix_char_macro_defines, fix_char_macro_uses): New functions.
12355 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
12356 Recognize Emacs mode markers also.
12357 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
12358 C++ comments in C++ headers. Call is_cxx_header only if
12361 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
12362 bypass for ncurses.
12363 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
12364 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
12365 ... these, which use the new C fixes.
12366 (math_exception): Escape literal '+' in bypass expression.
12368 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
12371 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12373 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
12376 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12378 * loop.c (loop_optimize): Allocate loop_info structure for each loop
12379 prior to calling scan_loop.
12381 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12383 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
12384 (split_branches, calc_live_regs): Likewise.
12386 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12388 * sh.md (fpu_single, fp_mode): New attributes.
12390 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12392 * loop.c (current_loop_info): Renamed from loop_info_data
12393 and changed to a pointer.
12394 (loop_optimize): Allocate loop_info structure for each loop
12395 and initialise to zero.
12396 (scan_loop): Set current_loop_info.
12398 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
12401 2000-01-19 Richard Henderson <rth@cygnus.com>
12403 * stupid.c: Die die die.
12404 * Makefile.in (OBJS): Remove stupid.o.
12405 (stupid.o): Likewise.
12407 * except.c (emit_eh_context): Don't emit USEs for stupid.
12408 * explow.c (probe_stack_range): Likewise.
12409 * flags.h (obey_regdecls): Remove.
12410 * flow.c (find_basic_blocks): Don't run try_merge_blocks
12411 when not optimizing.
12412 (life_analysis): Limit data collection when not optimizing.
12413 (mark_regs_live_at_end): Always mark the return value registers.
12414 (mark_used_regs): Remove dummy RETURN case.
12415 (print_rtl_with_bb): Don't consult obey_regdecls.
12416 * function.c (use_variable, use_variable_after): Remove.
12417 (assign_parms): Consult optimize not obey_regdecls.
12418 (expand_function_start): Don't emit USEs for stupid.
12419 (expand_function_end): Likewise.
12420 * global.c (build_insn_chain): Export.
12421 * integrate.c (expand_inline_function): Kill return-value USE
12423 * jump.c (jump_optimize_1): Do simple jump optimizations and
12424 dead code elimination.
12425 (calculate_can_reach_end): Remove check_deleted argument.
12426 (delete_insn): Patch out insns even when not optimizing.
12427 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
12428 * rtl.h (use_variable, use_variable_after): Remove declarations.
12429 (build_insn_chain): Declare.
12430 * stmt.c (expand_value_return): Don't emit USEs for stupid.
12431 (expand_end_bindings): Likewise.
12432 (expand_decl): Likewise. Consult optimize not obey_regdecls.
12433 * toplev.c (obey_regdecls): Remove.
12434 (rest_of_compilation): Don't set it. Kill stupid in favour of
12435 flow1, local-alloc, and reload.
12436 (main): Don't set obey_regdecls.
12438 * config/nextstep.c (handle_pragma): Likewise.
12440 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
12442 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
12444 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12446 * alpha-protos.h: PROTO -> PARAMS.
12447 * alpha.c: Likewise.
12449 * h8300.c: Likewise.
12450 * i386-protos.h: Likewise.
12451 * i386.c: Likewise.
12452 * m32r-protos.h: Likewise.
12453 * m32r.c: Likewise.
12454 * mips.c: Likewise.
12455 * mips.md: Likewise.
12456 * gmon-sol2.c: Likewise.
12457 * sparc.c: Likewise.
12459 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12461 * ns32k-protos.h: New file.
12463 * ns32k.c: Fix compile time warnings.
12465 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
12468 * ns32k.md: Likewise.
12470 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12472 * vax-protos.h: New file.
12474 * vax.c: Fix compile time warnings.
12476 * vax.h: Move prototypes to vax-protos.h. Fix compile time
12479 * vax.md: Likewise.
12481 * vaxv.md: Likewise.
12483 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12485 * romp-protos.h: New file.
12487 * romp.c: Fix compile time warnings.
12489 * romp.h: Move prototypes to romp-protos.h. Fix compile time
12492 * romp.md: Likewise.
12494 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12496 * we32k-protos.h: New file.
12498 * we32k.c: Fix compile time warnings.
12500 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
12503 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12505 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
12507 * except.c (eh_regs): Likewise.
12509 * final.c (output_operand): Likewise.
12511 * fold-const.c (target_isinf, target_isnan): Likewise.
12513 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12515 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
12516 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
12518 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
12519 when optimize_size.
12520 (clrstrsi): Rewrite.
12521 (strsethi, strsetqi): New expanders.
12522 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
12523 (cmpstrsi): Emit compare insn before cmpstrsi_1
12524 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
12525 (strlensi_1): Likewise.
12526 (cmpstrsi_1): Likewise; do not output compare.
12527 (strlen expander): Do not unroll when optimizing for size.
12528 (*subsi3_carry): Rename to subsi3_carry
12529 (addqi3_cc): New pattern.
12530 * i386.h (processor_costs): Add move_ratio field.
12531 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
12532 * i386.c (*_cost): Set move_ratio.
12533 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
12534 (x86_expand_strlensi_1): Rewrite the main loop.
12536 2000-01-17 Richard Henderson <rth@cygnus.com>
12538 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
12539 * cse.c (find_comparison_args, fold_rtx): Likewise.
12540 * integrate.c (subst_constants): Likewise.
12541 * loop.c (get_condition): Likewise.
12543 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
12545 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
12547 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12549 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
12550 (RESTORE_WARN_FLAGS): Unpack it.
12551 Change semantic type of extension to ttype.
12552 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
12553 * c-parse.y, c-parse.c, objc/objc-parse.y,
12554 objc/objc-parse.c: Regenerate.
12556 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
12558 * fixinc/fixlib.c: Add copyright notice.
12559 (compile_re): New function.
12560 * fixinc/fixlib.h: Prototype compile_re.
12562 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
12563 Use compile_re to compile regular expressions.
12565 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
12566 where the pattern matched.
12568 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
12570 (ultrix_ansi_compat): Likewise.
12571 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
12573 (interactv_add2, interactv_add3): Delete.
12574 (x11_sprintf): Don't use filename glob.
12575 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
12578 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12580 * print-rtl.c: PROTO -> PARAMS.
12581 * real.c: Likewise.
12582 * reg-stack.c: Likewise.
12583 * resource.c: Likewise.
12584 * sdbout.h: Likewise.
12585 * simplify-rtx.c: Likewise.
12586 * stor-layout.c: Likewise.
12587 * stupid.c: Likewise.
12588 * xcoffout.c: Likewise.
12589 * xcoffout.h: Likewise.
12591 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12593 * toplev.c: PROTO -> PARAMS.
12594 * toplev.h: Likewise.
12595 * tree.c: Likewise.
12596 * tree.h: Likewise.
12597 * unroll.c: Likewise.
12598 * varasm.c: Likewise.
12599 * varray.c: Likewise.
12600 * varray.h: Likewise.
12602 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12604 * reload.c: PROTO -> PARAMS.
12605 * reload.h: Likewise.
12606 * reload1.c: Likewise.
12607 * reorg.c: Likewise.
12608 * resource.h: Likewise.
12611 * rtlanal.c: Likewise.
12612 * sbitmap.h: Likewise.
12613 * sdbout.c: Likewise.
12614 * stack.h: Likewise.
12615 * stmt.c: Likewise.
12616 * system.h: Likewise.
12618 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12620 * machmode.h: PROTO -> PARAMS.
12621 * mbchar.h: Likewise.
12622 * mips-tdump.c: Likewise.
12623 * mips-tfile.c: Likewise.
12624 * optabs.c: Likewise.
12625 * output.h: Likewise.
12626 * prefix.c: Likewise.
12627 * profile.c: Likewise.
12628 * protoize.c: Likewise.
12629 * real.h: Likewise.
12630 * recog.c: Likewise.
12631 * recog.h: Likewise.
12632 * regclass.c: Likewise.
12633 * regmove.c: Likewise.
12634 * regs.h: Likewise.
12636 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12638 * ggc-common.c: PROTO -> PARAMS.
12639 * ggc-page.c: Likewise.
12640 * ggc-simple.c: Likewise.
12642 * global.c: Likewise.
12643 * graph.c: Likewise.
12644 * gthr-win32.h: Likewise.
12645 * haifa-sched.c: Likewise.
12646 * halfpic.h: Likewise.
12647 * integrate.c: Likewise.
12648 * integrate.h: Likewise.
12649 * jump.c: Likewise.
12651 * local-alloc.c: Likewise.
12652 * loop.c: Likewise.
12653 * loop.h: Likewise.
12655 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12657 * genattr.c: PROTO -> PARAMS.
12658 * genattrtab.c: Likewise.
12659 * gencheck.c: Likewise.
12660 * gencodes.c: Likewise.
12661 * genconfig.c: Likewise.
12662 * genemit.c: Likewise.
12663 * genextract.c: Likewise.
12664 * genflags.c: Likewise.
12665 * gengenrtl.c: Likewise.
12666 * genopinit.c: Likewise.
12667 * genoutput.c: Likewise.
12668 * genpeep.c: Likewise.
12669 * genrecog.c: Likewise.
12671 2000-01-16 Mark Mitchell <mark@codesourcery.com>
12673 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
12675 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12677 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
12678 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
12679 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
12680 * configure, config.in: Rebuilt.
12682 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
12684 * config/i386/i386.md: Add peephole to merge successive stack
12687 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
12689 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
12690 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
12691 when walking backwards to find all the parameter loads when
12692 the basic block ends in a call.
12694 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12696 * loop.c (this_loop_info): Delete.
12697 (uid_loop): Add in place of uid_loop_num. All uses updated.
12698 (loop_number_exit_count): Delete and replace with entry in loop
12699 structure. All uses updated.
12700 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12701 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12702 (loop_outer_loop): Likewise.
12703 (loop_invalid, loop_number_exit_labels): Likewise.
12704 (loop_used_count_register): Delete and replace with entry in
12705 loop_info structure.
12706 (find_and_verify_loops): Add loops argument.
12707 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
12708 loop_end, etc. arguments with loop structure pointer. All callers
12710 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
12711 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
12712 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
12713 (insert_bct): Likewise.
12714 (basic_induction_var): New argument level.
12715 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
12716 vtop, and cont. Add used_count_register.
12717 (uid_loop): Delete declaration.
12718 (loop_number_exit_count): Likewise.
12719 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12720 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12721 (loop_outer_loop, loop_used_count_register): Likewise.
12722 (loop_invalid, loop_number_exit_labels): Likewise.
12723 (unroll_loop): Replace loop_start and loop_end arguments
12724 with loop structure pointer.
12725 (loop_precondition_p, loop_iterations): Likewise.
12726 Include basic-block.h.
12727 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
12728 with loop structure pointer.
12729 (loop_precondition_p, loop_iterations): Likewise.
12730 * basic-block.h (struct loop): New entries vtop, cont,
12731 cont_dominator, start, end, top, scan_start, exit_labels,
12733 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
12735 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12737 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
12739 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
12741 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
12743 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12745 * pdp11-protos.h: New file.
12747 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
12750 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
12753 * pdp11.md: Likewise.
12755 * 2bsd.h: Likewise.
12757 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12759 * mn10300-protos.h: New file.
12761 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
12764 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
12767 * mn10300.md: Likewise.
12769 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12771 * mn10200-protos.h: New file.
12773 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
12776 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
12779 * mn10200.md: Likewise.
12781 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12783 * h8300-protos.h: New file.
12785 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
12788 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
12791 * h8300.md: Likewise.
12793 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12795 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
12796 (asm_emit_uninitialised): Likewise.
12798 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
12800 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
12801 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
12803 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12805 * config/mips/mips.c (override_options): Don't turn on extra
12806 alignment for mips16.
12808 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12810 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
12811 eabi, and make sure queued POSTINCREMENT rtl is emitted at
12814 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12816 * builtins.c (PAD_VARARGS_DOWN): Define.
12817 (std_expand_builtin_va_arg): Use the above macro.
12818 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
12819 * tm.texi (Register Arguments): Document the above macro.
12821 2000-01-14 Nick Clifton <nickc@cygnus.com>
12823 * emit-rtl.c (emit_insn): If checking is enabled, make sure
12824 that this function has not been used to emit a jump
12827 * jump.c (return_jump_1): Cope with being passed a null rtx.
12829 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12831 * eh-common.h: PROTO -> PARAMS.
12832 * emit-rtl.c: Likewise.
12833 * errors.c: Likewise.
12834 * errors.h: Likewise.
12835 * except.c: Likewise.
12836 * except.h: Likewise.
12837 * explow.c: Likewise.
12838 * expmed.c: Likewise.
12839 * expr.c: Likewise.
12840 * expr.h: Likewise.
12841 * final.c: Likewise.
12842 * fix-header.c: Likewise.
12843 * flow.c: Likewise.
12844 * fold-const.c: Likewise.
12845 * function.c: Likewise.
12846 * function.h: Likewise.
12848 * gcov-io.h: Likewise.
12849 * gcov.c: Likewise.
12850 * gcse.c: Likewise.
12852 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12854 * sh-protos.h: New file.
12856 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
12857 Add static prototypes. Fix compile time warnings.
12859 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
12863 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12865 * arc-protos.h: New file.
12867 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
12870 * arc.h: Move prototypes to arc-protos.h. Fix compile time
12873 * arc.md: Likewise.
12875 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12877 * dsp16xx-protos.h: New file.
12879 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
12882 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
12885 * dsp16xx.md: Likewise.
12887 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12889 * convex-protos.h: New file.
12891 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
12894 * convex.h: Move prototypes to convex-protos.h. Fix compile time
12897 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12899 * elxsi-protos.h: New file.
12901 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
12904 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
12907 * elxsi.md: Likewise.
12909 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12911 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
12912 case for moving from HI/LO/HI_LO_REG. This makes the behavior
12913 match the comment for MIPS16.
12915 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
12917 * flow.c (split_edge): Do not call set_block_for_insn if we
12918 do not have a basic_block_for_insn structure.
12920 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
12921 and destination functions are 32bit aligned within the trampoline.
12922 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
12923 (TRAMPOLINE_ALIGNMENT): Define.
12925 * cse.c (cse_insn): When changing (set (pc) (reg)) to
12926 (set (pc) (label_ref)), verify the change creates a valid insn.
12928 * fr30.c (call_operand): Tighten and rework to match rules for
12929 call RTL expressions.
12930 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
12931 * fr30.md (call patterns): Improve constraints.
12933 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
12935 * fr30.c (fr30_expand_epilogue): Revert last change.
12936 Use emit_jump_insn for the return insn.
12938 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
12939 Stan Cox <scox@cygnus.com>
12941 * predict.c: New file. Preliminary infrastructure work for static
12942 branch prediction and basic block reordering.
12943 * basic-block.h: Add prototype for estimate_probability.
12944 * Makefile.in: Add rules for predict.o.
12946 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
12948 * fixincludes (va_list): Use __not_va_list__ for the dummy.
12949 * fixinc/*: Likewise.
12951 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12953 * cccp.c: PROTO -> PARAMS.
12954 * cexp.y: Likewise.
12955 * collect2.c: Likewise.
12956 * combine.c: Likewise.
12957 * convert.h: Likewise.
12959 * dbxout.c: Likewise.
12960 * dbxout.h: Likewise.
12961 * diagnostic.c: Likewise.
12962 * doprint.c: Likewise.
12963 * dwarf2out.c: Likewise.
12964 * dwarf2out.h: Likewise.
12965 * dwarfout.c: Likewise.
12966 * dwarfout.h: Likewise.
12967 * dyn-string.h: Likewise.
12969 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12971 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
12972 macro conditionals guarding use.
12974 * dwarf2out.c: Include "tm_p.h".
12976 * function.c (locate_and_pad_parm): Mark parameter with
12978 (expand_function_end): Likewise for variable `context'.
12980 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
12982 2000-01-13 Nick Clifton <nickc@cygnus.com>
12984 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
12985 register to prevent compile time warnings.
12987 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
12989 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
12990 to avoid -Wtraditional warning.
12992 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12994 * 1750a-protos.h: New file.
12996 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
12999 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13002 * 1750a.md: Likewise.
13004 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13006 * a29k-protos.h: New file.
13008 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13011 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13014 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13016 * clipper-protos.h: New file.
13018 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
13021 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
13024 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13026 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
13028 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
13030 * configure.in (--enable-new-gxx-abi): New option.
13031 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
13032 * Makefile.in (GXX_ABI_FLAG): New variable.
13033 * configure: Regenerate.
13035 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13037 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
13038 * tm.texi (FORCE_STRUCT_BLK): Document.
13039 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
13041 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
13043 * config/ns32k/ns32k.md: Revert Jan 9 change.
13045 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
13046 to a mode-test, if the predicate is address_operand.
13048 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
13050 * combine.c (if_then_else_cond): Be careful about what kinds
13051 of RTL expressions are passed to operand_subword.
13053 * flow.c (split_edge): If we have to insert a new jump, make
13054 sure to associate it with a basic block.
13056 * flow.c (commit_one_edge_insertion): A block with one successor
13057 can end in a JUMP_INSN that is not a simplejump.
13059 2000-01-12 Robert Lipe <robertl@sco.com>
13061 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
13062 (BUILD_VA_LIST_TYPE): Define.
13063 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
13066 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
13068 * cccp.c (do_pragma): Add cast to (char *).
13070 2000-01-12 Richard Henderson <rth@cygnus.com>
13071 Fred Fish <fnf@be.com>
13072 Jason Merrill <jason@cygnus.com>
13074 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
13075 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
13076 * i386/beos-elf.h, i386/beos-pe.h: New files.
13078 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
13079 * cross-make (SYSTEM_HEADER_DIR): Define using
13080 CROSS_SYSTEM_HEADER_DIR.
13082 * gcc.c (LIBRARY_PATH_ENV): Provide default.
13083 (process_command): Use it.
13084 (main): Likewise. Kill trailing = from env vars.
13085 (build_search_list): Put it back.
13086 * collect2.c (main): Use LIBRARY_PATH_ENV.
13088 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
13089 * toplev.c: Use NEED_DECLARATION_ENVIRON.
13091 * tm.texi (Frame Layout): Document SMALL_STACK.
13092 * c-common.c (c_common_nodes_and_builtins): Check it.
13094 * system.h: Undef alloca after including glibc's <stdlib.h>,
13095 if USE_C_ALLOCA is defined.
13097 * gcc.c (set_input): New fn.
13098 (main): After all input files are compiled, reset the input file
13101 * aclocal.m4 (rindex, index): If already defined, don't attempt
13104 * ginclude/varargs.h: (__va_list__): Define ifndef.
13105 * ginclude/stdarg.h: Likewise.
13107 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
13108 instead of unsigned char.
13110 * hash.h (true, false, boolean): Undef before enum.
13112 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
13113 proper type of "HOST_WIDE_INT *", rather than their natural type of
13114 "unsigned HOST_WIDE_INT *".
13116 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13118 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
13120 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
13122 * regclass.c (choose_hard_reg_mode): Likewise.
13124 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
13126 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
13128 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13130 * c-common.c: PROTO -> PARAMS.
13131 * c-common.h: Likewise.
13132 * c-decl.c: Likewise.
13133 * c-iterate.c: Likewise.
13134 * c-lang.c: Likewise.
13135 * c-lex.c: Likewise.
13136 * c-lex.h: Likewise.
13137 * c-parse.in: Likewise.
13138 * c-pragma.c: Likewise.
13139 * c-pragma.h: Likewise.
13140 * c-tree.h: Likewise.
13141 * c-typeck.c: Likewise.
13142 * objc/objc-act.c: Likewise.
13143 * objc/objc-act.h: Likewise.
13145 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13147 * m88k-protos.h: New file.
13149 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
13152 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
13154 * m88k.md: Likewise.
13156 * tekXD88.h: Likewise.
13158 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13160 * m68k-protos.h: New file.
13162 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
13165 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
13167 * mot3300.h: Likewise.
13169 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
13171 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
13173 (extract_bitlist): Declare bitlen.
13175 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
13177 * cccp.c: Accept and ignore -lang-fortran.
13179 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
13180 qualifiers don't match at any level of pointerness.
13182 2000-01-12 Robert Lipe <robertl@sco.com>
13184 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
13186 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
13188 * reload1.c (reload_reg_unavailable): New static variable.
13189 (reload_reg_free_p): Test it.
13190 (reload_reg_free_for_value_p): Test it instead of
13192 (choose_reload_regs_init): Compute it.
13194 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
13196 * reorg.c (fill_slots_from_thread): Check modified_in_p
13199 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
13201 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
13202 these nodes even if INTERNALS is not set.
13204 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
13206 * gcse.c (delete_null_pointer_checks_1): Cope when
13207 get_condition cannot determine the condition.
13209 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
13211 * toplev.h (set_message_length): Declare.
13213 * diagnostic.c (obstack_chunk_alloc): Define macro.
13214 (obstack_chunk_free): Likewise.
13215 (struct output_buffer): New data structure.
13216 (vmessage): Remove.
13217 (output_maximum_width): New variable.
13218 (doing_line_wrapping, set_message_length, init_output_buffer,
13219 get_output_prefix, output_space_left, emit_output_prefix,
13220 output_newline, output_append, output_puts, dump_output,
13221 vbuild_message_string, build_message_string, build_location_prefix,
13222 voutput_notice, output_printf, line_wrapper_printf,
13223 vline_wrapper_message_with_location): New functions. Implement
13224 automatic line wrapping.
13225 (v_message_with_decl): Make it handle automatic line wrapping.
13226 (v_error_with_file_and_line): Likewise.
13227 (v_warning_with_file_and_line): Likewise.
13228 (announce_function): Likewise.
13229 (default_print_error_function): Likewise.
13231 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
13233 * cpplib.h (struct cpp_options): Change lang_asm to char.
13235 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
13236 done in cpp_handle_option now.
13237 (initialize_builtins): Take out special case code used only by
13239 (cpp_handle_option): Turn off trigraphs and trigraph warnings
13240 if -traditional. Recognize -lang-fortran and set
13241 lang_fortran, also turn off cplusplus_comments.
13242 (print_help): Document -lang-fortran.
13243 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
13244 lang_asm. Ignore all directives other than `# 123 "file"' if
13246 (cpp_get_token): If -traditional, don't recognize directives
13247 unless the # is in column 1.
13248 (parse_string): If lang_fortran or lang_asm, silently
13249 terminate strings ('' or "") at end of line.
13250 Remove unnecessary braces.
13252 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13253 Richard Henderson <rth@cygnus.com>
13255 * resource.c (mark_referenced_resources): Mark a set strict_low_part
13257 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
13258 strict_low_part when possible.
13260 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13262 * alias.c: PROTO -> PARAMS.
13263 * basic-block.h: Likewise.
13264 * bitmap.c: Likewise.
13265 * bitmap.h: Likewise.
13266 * builtins.c: Likewise.
13267 * c-aux-info.c: Likewise.
13268 * caller-save.c: Likewise.
13269 * calls.c: Likewise.
13271 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13273 * Makefile.in (toplev.o): Depend on regs.h.
13275 * output.h (tdesc_section): Prototype.
13277 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
13279 * sdbout.c: Include "tm_p.h".
13281 * toplev.c: Include "regs.h".
13283 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
13285 * unroll.c (unroll_loop): Add EH support.
13287 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13289 * pa-protos.h: New file.
13291 * pa.c: Include recog.h and tm_p.h.
13292 (compute_zdepwi_operands, compute_movstrsi_length,
13293 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
13294 find_addr_reg, import_milli): Add static prototypes.
13295 (pa_cpu_string, pa_arch_string): Constify a char*.
13296 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
13297 (read_only_operand): Add argument `mode'.
13298 (singlemove_string, output_move_double, output_fp_move_double,
13299 output_block_move, output_and, output_ior, output_ascii,
13300 remove_useless_addtr_insns, milli_names, output_mul_insn,
13301 output_div_insn, output_mod_insn, output_arg_descriptor,
13302 output_cbranch, output_bb, output_bvb, output_dbra, ,
13303 output_millicode_call, output_call, hppa_encode_label,
13304 output_parallel_movb, output_parallel_addb): Constify a char*.
13305 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
13306 (output_parallel_addb): Remove extra arg to `constrain_operands'
13308 * pa.h: Move all prototypes to pa-protos.h.
13309 (pa_cpu_string, pa_arch_string): Constify a char*.
13310 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
13312 * pa.md: Call `function_label_operand' with mode argument.
13313 Likewise for `read_only_operand'.
13314 Fix nesting of parens in call to `symbolic_operand'.
13316 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13318 * i860-protos.h: New file.
13320 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
13323 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
13325 * i860.md: Likewise.
13327 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
13329 * i386.md (movstrsi expander): Rewrite.
13330 (movstrsi_1 insn): Deleted.
13331 (strmovhi, strmovqi expander): New expanders.
13332 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
13333 * i386.c (x86_single_stringop): New global variable.
13334 * i386.h (x86_single_stringop): Declare.
13335 (TARGET_SINGLE_STRINGOP): New macro.
13337 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13339 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
13340 integer vararg POSTINCREMENT before the destination of the jump
13341 for the hard fp case.
13342 (function_arg_pass_by_reference): Pass a copy of CUM to
13345 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
13346 for CONSTANT_ADDRESS_P above while loop for subreg.
13348 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13350 * flow.c (propagate_block): When a prologue/epilogue insn
13351 is marked dead, unconditionally clear libcall_is_dead and
13352 insn_is_dead, and only dump rtl if warnings aren't being
13355 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
13357 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
13358 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
13359 (FIXED_REGISTERS): Set dirflag as fixed.
13360 (CALL_USED_REGISTERS): Set dirflag as used.
13361 (REG_ALLOC_ORDER): Set dirflag as last one.
13362 (DIRFLAG_REG): New macro.
13363 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
13364 (HI_REGISTER_NAMES): Add dirflag.
13365 (DEBUF_PRINT_REG): Handle dirflag.
13366 * i386.md (type attribute): New cld and str types.
13367 (length_opcode attribute): Set cld and str to 1.
13368 (memory attribute): Set str to unknown - it is not clear from the
13370 (pent_np function unit): Prefixed string operations takes 12 cycles
13371 minimally; cld takes 2 cycles.
13372 (ppro_uops attribute): Str is "many" and cld is "few".
13373 (ppro_p0 unit): Handle cld here.
13374 (k6_alux unit): Handle cld and str types.
13375 (k6_load unit): It is ocupied by str opcodes.
13376 (k6_store unit): It is ocupied by str opcodes.
13377 (athlon_decode): Str is vector decoded.
13378 (athlon_ieu): Handle str and cld.
13379 (cld pattern): New.
13380 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
13381 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
13382 cmpstrsi_nz_1 insn): Do not output cld instruction
13384 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
13386 * gcc.texi (G++ and GCC): Add Java and Chill.
13387 (Bug Critera): Don't list languages.
13389 * gcc.texi (Incompatibilities): No longer claim most C compilers
13392 * gcc.texi (G++ and GCC): Update other front-ends list.
13394 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
13396 * i386.c (ix86_expand_setcc): Fix typo.
13397 (ix86_expand_movcc): Similarly.
13399 * Band-aid until haifa's bitset implementation is nuked.
13400 * haifa-sched.c (extract_bitlst): New parameter for size of the
13401 bitset in bits. All callers changed. Avoid looking at undefined
13402 bits in the bitset.
13403 (edgeset_bitsize): New variable.
13404 (schedule_region): Initialize edgeset_bitsize.
13406 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13408 * Makefile.in (optabs.o): Depend on real.h
13409 (resource.o): Depend on insn-attr.h
13411 * builtins.c (result_vector): Wrap prototype in macro conditions
13412 governing definition and use.
13414 * c-common.c: Include tm_p.h.
13416 * c-lex.c: Likewise.
13418 * elfos.h: Constify a char*.
13420 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
13421 (get_attr_length, shorten_branches, profile_after_prologue): Mark
13422 parameter with ATTRIBUTE_UNUSED.
13424 * fold-const.c (exact_real_inverse): Wrap variable `i' in
13427 * haifa-sched.c (schedule_insns): Mark parameter with
13430 * optabs.c: Include real.h.
13432 * real.h (ereal_atof): Add prototype arguments.
13434 * resource.c: Include insn-attr.h.
13436 * sdbout.c (sdbout_queue_anonymous_type,
13437 sdbout_dequeue_anonymous_types): Wrap in macro
13438 SDB_ALLOW_FORWARD_REFERENCES.
13439 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
13442 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
13444 * stupid.c: Include tm_p.h.
13446 * tree.c (real_value_from_int_cst): Mark parameter with
13449 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13451 * i960-protos.h: New file.
13453 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
13456 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
13458 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13460 * combine.c (expand_field_assignment): Do not discard SUBREGs
13461 while computing nonzero_bits.
13463 2000-01-09 Nick Clifton <nickc@cygnus.com>
13465 * config/arm/arm.c: Fix compile time warnings about signed vs
13466 unsigned constants.
13467 * config/arm/arm.h: Fix compile time warnings about signed vs
13468 unsigned constants.
13470 2000-01-09 Philip Blundell <philb@gnu.org>
13472 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
13473 than `ldm' with only one register.
13474 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
13477 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
13480 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
13482 * config/ns32k/ns32k.md (load or push effective address): Operand 1
13485 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13487 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
13488 assignment used as truth value.
13490 * function.c (assign_temp): Mark parameter `dont_promote' with
13491 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
13492 PROMOTE_FOR_CALL_ONLY.
13494 * genrecog.c (write_subroutine): Mark variable `operands' with
13497 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
13500 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
13501 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
13503 * toplev.c (note_deferral_of_defined_inline_function): Likewise
13506 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13508 * config/c4x.h: Tidy up comments.
13509 * config/c4x.c: Likewise.
13511 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
13513 * fold-const.c (lshift_double, rshift_double): Handle
13514 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
13516 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13518 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
13519 in prepare_function_start().
13521 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
13523 * config/v850/v850.c (expand_epilogue): Interrupt functions no
13524 longer allocate extra stack for function calls.
13526 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13528 * config/c4x/c4x.md (*subqf3_set): Fix typo.
13530 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13532 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
13534 2000-01-07 David Edelsohn <edelsohn@gnu.org>
13536 * rs6000.c (processor_target_table): Add power3 as alias for 630.
13537 * aix43.h: Revert Aug 2 change.
13538 (HAS_INIT_SECTION): Define, not visible yet.
13539 (LD_INIT_SWITCH): Define, not visible yet.
13540 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
13542 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
13544 * collect2.c (main): Expand ld2 size further.
13545 (export_object_lst): Cast assignment to avoid warning.
13546 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
13547 (scan_prog_file, COFF): Do not collect initialization or
13548 finalization functions generated for entire shared object if
13549 init/fini support present.
13551 2000-01-07 Nick Clifton <nickc@cygnus.com>
13553 * config/elfos.h: Tidy up formatting of marcos. Make sure
13554 that .section directives are always prefixed by a tab.
13556 * config/svr4.h: Add #include "elfos.h" and remove duplicate
13559 2000-01-07 Matt Austern <austern@sgi.com>
13561 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
13564 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
13566 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
13568 (crtbegin.o, s-crtS): Likewise.
13570 2000-01-06 Richard Henderson <rth@cygnus.com>
13572 * alpha.md (adddi_2+1): Limit offset such that it will be
13573 loadable with a single ldah+lda pair.
13574 (adddi_2+2): Explicitly fail split if we can't make it work.
13576 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
13578 * protoize.c: Conditionally include unistd.h.
13579 (IS_SAME_PATH_CHAR): New macro.
13580 (IS_SAME_PATH): New macro.
13581 (CPLUS_FILE_SUFFIX): New macro.
13582 (cplus_suffix): New static variable.
13583 (is_abspath): New static function.
13584 (in_system_include_dir): Handle DOS style pathnames.
13585 (file_could_be_converted): Likewise.
13586 (file_normally_convertible): Likewise.
13587 (directory_specified_p): Likewise.
13588 (file_excluded_p): Likewise.
13589 (abspath): Likewise.
13590 (shortpath): Likewise.
13591 (referenced_file_is_newer): Likewise.
13592 (save_def_or_dec): Likewise.
13593 (do_processing): Likewise.
13595 (edit_file): Likewise. Use rename instead of link.
13596 (rename_c_file): Likewise. Don't rename syscalls file.
13597 (munge_compile_params): Define null device for DOS based systems.
13598 (process_aux_info_file): Use binary mode if appliable.
13599 (edit_file): Likewise.
13600 * invoke.texi (Running Protoize): Document C++ suffixes used.
13602 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
13603 IS_DIR_SEPARATOR macros.
13604 * collect2.c: Likewise.
13605 * cppinit.c: Likewise.
13606 * dwarf2out.c: Likewise.
13608 * gcov.c: Likewise.
13609 * prefix.c: Likewise.
13611 * toplev.c: Likewise.
13612 * system.h: And move to here.
13614 * prefix.c (update_path): Fix typo in variable name.
13616 2000-01-06 Richard Henderson <rth@cygnus.com>
13618 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
13619 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
13620 (count_reg_sets_1, count_reg_references): Likewise.
13621 (flow_loops_level_compute): Start counting actual loop depth at 1.
13622 (flow_loops_find): Likewise.
13623 * local-alloc.c (update_equiv_regs): Likewise.
13624 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
13626 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13628 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
13629 FIRST_PSEUDO_REGISTER
13630 * dwarf2out.c: Don't include frame.h
13631 * dwarfout.c: Likewise
13632 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
13635 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
13637 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13640 * i386.c (movsf splitter): Fix typo in my last checkin.
13642 2000-01-05 Nick Clifton <nickc@cygnus.com>
13644 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
13645 own definition of this macro.
13646 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
13647 flag_data_sections or UNIQUE_SECTION_P are true.
13649 * tm.texi (UNIQUE_SECTION): Document that it can be called for
13650 unitialised data decls.
13652 * config/i386/winnt.c (i386_pe_unique_section): Cope with
13653 being called for uninitialised data.
13655 * config/i386/interix.c (i386_pe_unique_section): Cope with
13656 being called for uninitialised data.
13658 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
13659 for uninitialised data.
13661 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
13662 for uninitialised data.
13664 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
13665 for uninitialised data.
13667 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
13668 (UNIQUE_SECTION_P): Always generate a unique section if
13669 flag_data_sections is true.
13670 (UNIQUE_SECTION): Also generate unique sections for
13671 uninitialised data.
13672 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
13673 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
13676 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13678 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
13681 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13683 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
13684 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
13685 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
13686 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
13687 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
13689 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
13691 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13693 * c-decl.c (finish_enum): Simplify code to determine minimum and
13694 maximum values of the enum, and calculate the type. Remove check
13695 for FUNCTION_DECLs in the values list, which cannot happen. Replace
13696 the DECL_INITIAL of each enumeration constant with a copy converted
13697 to the enumeration type. When updating variant types, don't bother
13698 updating the type itself.
13700 * c-typeck.c (build_binary_op): Simplify conditional expressions
13701 when weeding out spurious signed-unsigned warnings. Add new
13702 spurious warning category: if the unsigned quantity is an enum
13703 and its maximum value fits in signed_type(result_type). Update
13705 (build_conditional_expr): Warn here if one alternative is signed
13706 and the other is unsigned.
13708 2000-01-05 Nick Clifton <nickc@cygnus.com>
13710 * config/fr30/fr30.h: Remove extraneous comments.
13712 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
13714 * reload1.c (choose_reload_regs): When disabling a reload, also
13715 set reload_spill_index to -1.
13717 2000-01-04 Joel Sherrill (joel@OARcorp.com>
13719 * configure.in (m68*-*-rtemscoff*): New target, formal name for
13721 (m68*-*-rtemself*): New target.
13722 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
13723 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
13724 (sparc*-*-rtemself*): New target.
13725 (sparc*-*-rtems*): Now elf not a.out.
13726 * config/i386/rtems.h: Include config/rtems.h.
13727 * config/i386/rtemself.h: Include config/rtems.h.
13728 * config/i960/rtems.h: Include config/rtems.h.
13729 * config/m68k/rtems.h: Include config/rtems.h.
13730 * config/m68k/rtemself.h: Include config/rtems.h.
13731 * config/mips/rtems64.h: Include config/rtems.h.
13732 * config/pa/rtems.h: Include config/rtems.h.
13733 * config/rs6000/rtems.h: Include config/rtems.h.
13734 * config/sh/rtems.h: Include config/rtems.h.
13735 * config/sh/rtemself.h: Include config/rtems.h.
13736 * config/sparc/rtems.h: Include config/rtems.h.
13737 * config/sparc/rtemself.h: Include config/rtems.h
13739 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
13741 * final.c (shorten_branches): Correctly compute length of
13742 asms without operands.
13744 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
13746 * configure.in: Add pj target.
13747 * configure: Regenerate.
13748 * config/pj: New directory.
13749 * config/pj/lib1funcs.S: New file.
13750 * config/pj/linux.h: New file.
13751 * config/pj/pj.c: New file.
13752 * config/pj/pj.md: New file.
13753 * config/pj/pjl.h: New file.
13754 * config/pj/t-pj: New file.
13755 * config/pj/xm-pj.h: New file
13757 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
13759 * toplev.c (rest_of_compilation): Run shorten-branches before
13762 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13764 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
13765 macros so that they're consistent with their names.
13766 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13767 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13769 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13771 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
13772 modified inadvertently.
13774 2000-01-04 Joel Sherrill <joel@OARcorp.com>
13776 * configure.in (v850*-*-rtems*): New target.
13777 * configure: Regenerate.
13778 * config/v850/rtems.h: New file.
13780 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
13782 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
13783 (__gthread_key_create): Likewise.
13784 (__gthread_key_dtor): Likewise.
13785 (__gthread_once): Fix logic.
13786 (__gthread_key_delete): Cast away constness.
13788 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
13789 * invoke.texi: Document.
13790 * i386/mingw32.h (CPP_SPEC): Use.
13791 (LIBGCC_SPEC): Likewise.
13792 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
13794 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13796 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
13797 (HANDLE_PRAGMA_PACK): Undefine.
13798 (SLOW_UNALIGNED_ACCESS): Define.
13800 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13802 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13803 to default definition.
13804 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
13805 (store_fixed_bit_field): Call macro with word_mode and alignment.
13806 (extract_bit_field): Call macro with relevant mode and alignment.
13807 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13808 to default definition.
13809 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
13811 (move_by_pieces_ninsns): Likewise.
13812 (clear_by_pieces): Likewise.
13813 (emit_push_insn): Likewise.
13814 (store_field): Call macro with relevant mode and alignment.
13815 (expand_expr): Likewise.
13816 (expand_expr_unaligned): Likewise.
13818 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
13819 (SLOW_UNALIGNED_ACCESS): Define.
13820 (CASE_VECTOR_MODE): Always use 32-bit offsets.
13821 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
13822 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
13823 (toc_section): Likewise and .toc pseudo-op.
13824 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
13826 (TEXT_SECTION_ASM_OP): Likewise.
13827 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
13830 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
13831 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
13832 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
13833 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
13834 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
13836 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
13838 * regclass.c: Revert my Jan 4 change to loop cost computation.
13840 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13842 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
13845 2000-01-04 Stan Cox <scox@cygnus.com>
13847 * haifa-sched.c (build_control_flow): Change unreachable simple
13848 loop test to check if current block has only one predecessor.
13849 (find_rgns): Initialize degree. Use dest as degree index, not src.
13851 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13853 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
13855 * calls.c (expand_call): Likewise for
13856 `old_stack_arg_under_construction'.
13858 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
13860 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
13863 * gcc.c (execute): Likewise for `ut' and `st'.
13865 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
13867 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
13869 * jump.c (jump_optimize_1): Likewise for `temp2'.
13871 * local-alloc.c (block_alloc): Likewise for `r1'.
13873 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
13875 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
13876 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
13878 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
13881 * reload.c (find_reloads): Likewise for `goal_alternative_number'
13882 and `goal_earlyclobber'.
13884 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
13886 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
13888 * stupid.c (stupid_life_analysis): Likewise for `chain'.
13890 * unroll.c (copy_loop_body): Likewise for `copy'.
13892 * varasm.c (output_constructor): Likewise for `byte'.
13894 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13896 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
13897 all FP constants for constant->reg moves.
13898 (ix86_split_to_parts): Try to convert memory address into immediate
13899 when available in the constant pool.
13900 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
13902 (LEGITIMATE_CONSTANT_P): Return 1.
13903 * i386.md (pushsf): New splitter to convert constant pool memory
13904 reference to immediate.
13905 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
13908 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
13910 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
13911 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
13912 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
13913 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
13914 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
13916 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
13918 * ginclude/stdbool.h: Support compilation as C++.
13920 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13922 * fold-const.c (make_range): Don't try to reverse an unbounded range.
13924 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
13926 * regclass.c (regclass): Properly compute loop_cost. Adjust
13929 * regclass.c: Fix minor whitespace problems.
13931 2000-01-03 Anthony Green <green@cygnus.com>
13933 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
13934 Restore the pic register if required.
13936 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
13938 * c-common.c (format_char_info): Update comment.
13939 (check_format_info): Recognize 'z' modifier in the same way 'Z'
13940 was recognized. Emit warning for formats new in ISO C99 only
13941 if flag_isoc9x is not set.
13943 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
13945 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
13947 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13949 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
13950 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
13951 (make_compound_operation): Choose cheaper alternative between
13952 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
13954 * regclass.c (op_costs): Remove global variable.
13955 (record_reg_classes): New parameter "op_costs" and "reg_pref".
13956 (record_operand_costs): Break out from ...
13957 (scan_one_insn): ... here.
13958 (dump_regclass): Make dumps nicer.
13959 (regclass): Dump preferrences choosed and changes done during passes.
13961 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13963 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
13965 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13967 * config/sparc/sparc.c (gen_df_reg): New function.
13968 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
13969 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
13970 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
13971 movtf_cc_reg_sp64+1): Use it.
13973 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13975 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
13976 copied LABEL_DECLs.
13978 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13980 * config/i386/i386.c (ix86_expand_unary_operator): Function
13981 definition made void.
13982 (ix86_expand_binary_operator): Update outdated preceding comment.
13983 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
13986 * config/i386/i386.c (override_options): Fix option-name typo.
13988 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13990 * system.h (CEIL): Define.
13991 * builtins.c (CEIL): Remove.
13992 * expmed.c (CEIL): Likewise.
13993 * expr.c (CEIL): Likewise.
13994 * stor-layout.c (CEIL): Likewise.
13996 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13998 * expr.c (store_constructor_field): Fix typo introduced with last
14001 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14003 * tree.h (BINFO_N_BASETYPES): New macro.
14005 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14007 * expmed.c (emit_store_flag): Prevent losing a pending stack
14008 adjust the same way we prevent losing queued increments.
14010 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14012 * function.c (update_temp_slot_address): Handle case where sum of
14013 temporary address plus offset in register is a valid address.
14015 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14017 * genrecog.c (change_state) Corrected typo.
14019 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14021 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
14022 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
14023 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
14025 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
14027 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
14028 case, expand GT comparisons correctly. Fix a comment before this
14031 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14033 * dwarfout.c: Include "frame.h"
14034 * dwarf2out.c: Likewise.
14035 * Makefile.in (dwarfout.o): Depend on frame.h
14036 (dwarf2out.o): Likewise.
14038 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
14040 Restore i386 binary compatibility in Dwarf EH info.
14041 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
14042 value of FIRST_PSEUDO_REGISTER.
14043 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
14044 (struct frame_state): Use DWARF_FRAME_REGISTERS.
14045 * dwarfout.c (output_reg_number): Ditto.
14046 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
14047 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
14049 1999-12-29 Bruce Korb <autogen@linuxbox.com>
14051 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
14052 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
14053 (<hack>_RE_CT): not needed
14054 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
14055 rewritten to scan the file text once only
14056 "template<..." test added
14057 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
14058 (is_cxx_header): declaration added
14059 * fixinc/fixtests.c(is_cxx_header): removed
14060 (apply_fix_p_t): removed
14061 (double_slash_test): is_cxx_header is only called once now
14062 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
14063 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
14064 within the templates.
14065 The borken spelling of "broken" was fixed.
14066 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
14067 The default level depends on FIXINC_DEBUG.
14069 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14071 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
14072 Otherwise provide a declaration for atexit.
14073 (init_dummy): Make sure dummy call to atexit is nevertheless
14074 called with correct number of args.
14076 * frame.c: Update comments referring to other files.
14078 * libgcc2.c: Likewise.
14080 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14082 * cse.c (free_element, get_element): Remove unused prototypes.
14084 * fold-const.c (extract_muldiv): Initialize variables `op0' and
14087 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
14090 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
14092 * configure.in,configure: case arm for mn10200-*-* now sets
14093 float_format=i32 so that float.h will correctly claim "double"
14094 to be 32 bits. Ran autoconf to generate configure from .in file.
14096 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
14098 * pa.md (conditional zero): If op1 is a register, force it into
14099 the same register as op0.
14101 1999-12-28 Mark Mitchell <mark@codesourcery.com>
14103 * tree.h (BINFO_BASETYPES): Improve documentation.
14105 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14107 * configure.in (--enable-checking): Use a more portable `for'
14110 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14112 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
14113 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
14115 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
14118 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
14119 Delete descriptions.
14121 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
14122 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
14123 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
14124 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
14125 xm-svr4.h: Remove all instances of sys_siglist handling.
14127 1999-12-27 Jakub Jelinek <jakub@redhat.com>
14129 * config/sparc/sparc.md (cmp_zero_qi,
14130 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
14131 cmp_zero_extendqidi2_andcc_set): New patterns.
14133 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
14135 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
14136 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
14137 (fpgnulib.c, xfgnulib.c): Add rules.
14138 * m68k/t-mot3300-gas: Likewise.
14140 1999-12-27 Ian Lance Taylor <ian@zembu.com>
14142 * configure.in: Avoid [[ by using test and changequote. Add
14143 changequote required by 1999-12-14 change.
14144 * configure: Rebuild.
14146 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
14148 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
14150 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
14152 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
14153 * flow.c (find_use_as_address): Likewise.
14154 * function.c (fixup_var_refs_1): Likewise.
14155 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
14156 * jump.c (invert_exp, redirect_exp): Likewise.
14157 * loop.c (replace_call_address): Likewise.
14158 (count_nonfixed_reads): Likewise.
14159 * rtlanal.c (modified_between_p): Likewise.
14160 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
14161 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
14162 * unroll.c (remap_split_bivs): Likewise.
14164 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14166 * diagnostic.c (v_message_with_decl): Use .* format specifier
14167 instead of building the format specifier width manually.
14169 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
14170 determining whether to provide a prototype. Remove the
14171 sys_siglist clause in the conditional.
14173 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14175 * fold-const.c (operand_equal_p): Use memcmp to compare string
14177 Suggested by D. J. Bernstein
14179 1999-12-17 Jakub Jelinek <jakub@redhat.com>
14181 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
14182 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
14184 * config/mips/mips.h (TARGET_64BIT): Likewise.
14185 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
14186 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
14187 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
14188 dsps. Give routines proper names if SI/DI modes are not used.
14189 * longlong.h: Use DWunion instead of DIunion.
14191 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
14193 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
14194 GC_CHECKING, GC_ALWAYS_COLLECT.
14195 * configure.in: Allow --enable-checking with an argument
14196 listing check modes to enable.
14197 * config.in, configure: Rebuilt.
14198 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
14199 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
14200 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
14201 ENABLE_GC_ALWAYS_COLLECT.
14202 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
14204 * tree.h, tree.c: Change ENABLE_CHECKING to
14205 ENABLE_TREE_CHECKING throughout.
14207 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14209 * fold-const.c (fold_truthop): Properly check for FP RHS.
14211 1999-12-24 Mark Mitchell <mark@codesourcery.com>
14213 * toplev.h (note_deferall_of_defined_inline_function): Declare.
14214 * toplev.c (note_deferral_of_defined_inline_function): New
14215 function, split out from ...
14216 (rest_of_compilation): ... here. Use it.
14218 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14220 * expr.c (store_constructor): Don't call clear_storage if size is
14223 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14225 * Makefile.in (toplev.o): Depend on loop.h.
14227 * dwarfout.c: Include tm_p.h.
14229 * emit-rtl.c (restore_emit_status): Mark parameter with
14232 * final.c (final_scan_insn): Likewise.
14234 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
14235 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
14236 flow_depth_first_order_compute, flow_loop_pre_header_find,
14237 flow_loop_tree_node_add, flow_loops_tree_build,
14238 flow_loop_level_compute, flow_loops_level_compute,
14239 flow_loop_outside_edge_p): Add prototypes.
14240 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
14242 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
14243 Mark with ATTRIBUTE_NORETURN.
14245 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
14247 * local-alloc.c (no_conflict_p): Likewise.
14249 * loop.c (insert_bct): Hide definitions of variables with hidden
14251 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
14253 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
14254 with ATTRIBUTE_UNUSED.
14255 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
14256 (reg_scan): Likewise.
14258 * reload.c (find_reloads): Remove unused variables `changed'.
14260 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
14262 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
14263 Remove unused variable `insn'.
14265 * toplev.c: Include loop.h.
14266 (report_file_and_line): Remove unnecessary prototype.
14268 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
14270 * unroll.c (biv_total_increment): Likewise.
14272 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14274 * reload1.c (emit_input_reload_insns): Restore old behaviour
14275 wrt. 'special' reloads.
14277 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
14279 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
14280 hash.h. (cse.c): Don't depend on hashtab.h.
14282 * cse.c: Don't include hashtab.h.
14283 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
14285 * ggc-simple.c: Don't include hash.h.
14287 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
14289 * dwarf2out.c (add_abstract_origin_attribute): Call
14290 gen_abstract_function on our function context.
14292 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
14294 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
14296 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14298 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
14301 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14303 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
14304 constraints to "a!r".
14306 1999-12-21 Mark Mitchell <mark@codesourcery.com>
14308 * Makefile.in (calls.o): Depend on function.h.
14309 (alias.o): Likewise.
14311 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
14313 * reload1.c (emit_reload_insns): Break out code and variables into...
14314 (input_reload_insns, other_input_address_reload_insns,
14315 other_input_reload_insns, input_address_reload_insns,
14316 inpaddr_address_reload_insns, output_reload_insns,
14317 output_address_reload_insns, outaddr_address_reload_insns,
14318 operand_reload_insns, other_operand_reload_insns,
14319 other_output_reload_insns): ... new static variables, and...
14320 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
14321 do_output_reload): ... new functions.
14323 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14325 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
14327 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14329 * md.texi: Add c4x constraints documentation.
14331 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14333 * config/i386/dgux.c (struct option): Rename to
14334 lang_independent_option.
14335 (struct m_options): Add description field.
14336 (output_options): Rename option type, add sep declaration, output
14337 ix86_cpu_string and ix86_arch_string only if set.
14338 (output_file_start): Rename option type.
14340 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
14342 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
14344 (libgcc2.a): Similarly.
14346 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
14348 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
14349 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
14350 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
14352 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
14354 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
14355 Remove redundant initialization of "frexpon" and "expon".
14357 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14359 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
14361 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
14362 (store_constructor_field, expand_expr): Pass new arg.
14364 1999-12-20 Mark Mitchell <mark@codesourcery.com>
14366 * Makefile.in (explow.o): Depend on function.h.
14368 * stor-layout.c (set_sizetype): Fix typo.
14370 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
14372 * function.c (cfun): Renamed from current_function. All users
14374 * function.h (cfun): Rename declaration as well.
14376 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
14377 to be of type regset_head, not regset. All users changed by adding
14379 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
14381 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14383 * config/c4x/rtems.h: New file.
14385 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
14387 * reload1.c (spill_failure): Take class of failed reload as argument
14388 and print it. Caller changed.
14390 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14392 * rs6000.h (SUBTARGET_DEFAULT): New macro.
14393 (TARGET_SWITCHES): Allow subtargets to default switches.
14394 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
14396 1999-12-18 Mark Mitchell <mark@codesourcery.com>
14398 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
14401 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
14403 * cccp.c (main): Define __STDC_VERSION__ as necessary.
14404 * cppinit.c (cpp_handle_option): Likewise.
14406 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
14407 determine when to define.
14409 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
14411 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
14412 cmove with mismatched test and data modes.
14414 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
14416 * c-typeck.c (c_expand_start_case): Don't warn for long switch
14419 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14421 * alias.c: Minor reformatting.
14422 * flow.c: Likewise.
14423 * regs.h: Likewise.
14424 * stor-layout.c: Likewise.
14425 * fold-const.c: Likewise.
14426 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
14427 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
14429 (size_int_wide): Cache nodes even if garbage collecting.
14430 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
14431 of SAVE_EXPR has no side effects.
14432 * cse.c: Move a comment.
14433 * tree.c: Minor reformatting.
14434 (int_size_in_bytes): Return -1 if constant overflows.
14436 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14438 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
14440 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
14442 * objc/objc-parse.c: Regenerate. This file must be rebuilt
14443 after any change to c-parse.in, even if objc-parse.y didn't
14446 1999-12-18 David S. Miller <davem@redhat.com>
14448 * toplev.c (rest_of_compilation): Restore BLOCK tree
14449 reconstruction and branch shortening changes lost in
14450 December 18th change.
14452 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
14454 * config/arm/linux-elf.h: Change all instances of
14455 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
14456 * config/arm/uclinux-elf.h: Likewise.
14458 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
14460 * toplev.c (notice, vmessage, v_message_with_file_and_line,
14461 v_message_with_decl, file_and_line_for_asm,
14462 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
14463 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
14464 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
14465 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
14466 pfatal_with_name, fatal_io_error, need_error_newline,
14467 last_error_function, last_error_tick, announce_function,
14468 default_print_error_function, print_error_function,
14469 report_error_function, fnotice, error_with_file_and_line,
14470 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
14471 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
14472 warning_with_decl, warning_for_asm, warning, pedwarn,
14473 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
14475 (compile_file): Use fnotice instead of notice. Adjust call.
14477 * diagnostic.c: New file.
14479 * Makefile.in (OBJS): Include diagnostic.o
14480 (diagnostic.o): Define dependence.
14482 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14484 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
14487 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14489 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
14491 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14493 * fixtests.c (is_cxx_header): New fn, split out of
14495 (else_endif_label): Allow "#endif // comment" in C++ headers,
14496 as determined by is_cxx_header.
14497 * fixfixes.c (else_endif_label_fix): Update comment.
14498 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
14500 * genfixes: Correct double thinko in commandline parsing.
14501 * hackshell.tpl: Generate correct sh syntax for bypass
14504 * inclhack.def (all): Whenever an inserted preprocessor
14505 conditional is split over multiple lines, use double
14506 backslashes in this file so the fixed header will be readable.
14508 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
14509 and add bypass entry for correct version of this header.
14510 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
14511 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
14513 (hpux8_bogus_inlines): New fix, split from...
14514 (ultrix_atof_param) ... here.
14515 (math_expression): Add bypass entry keyed to glibc comment
14516 indicating the problem has been dealt with; disable
14517 unnecessary sed operations; update commentary.
14518 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
14519 add select and bypass entries, simplify shell operation.
14520 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
14522 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
14523 ultrix_atof_param): Add select entry.
14524 (stdio_va_list, sunos_mather_decl): Add bypass entry.
14525 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
14526 comments with the fixes they describe.
14528 * c-parse.in (string action): Do not warn about ANSI string
14529 concatenation in system headers. Affects C parser only.
14530 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
14532 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14534 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
14535 compiling libgcc2 the macro depends always on arch cpp defines.
14537 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
14539 * loop.c (insert_loop_mem): Don't record MEMs from inside
14542 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
14544 * regclass.c (regclass): Do not use flowgraph when not optimizing.
14546 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
14547 notes too, create one when replacement failed, attempt to simplify
14549 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
14550 or REG_EQUIV notes.
14552 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14554 * crtstuff.c (__dso_handle): Declare.
14555 (__cxa_finalize): Likewise.
14556 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
14559 * invoke.texi: Document -fuse-cxa-atexit.
14561 * tree.h (ptr_type_node): Document.
14562 (const_ptr_type_node): Likewise.
14564 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14566 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
14567 (optimize_reg_copy_2): Likewise.
14568 (optimize_reg_copy_3): Likewise.
14569 (fixup_match_2): Likewise.
14570 (regmove_optimize): Likewise.
14571 (fixup_match_1): Liekwise.
14573 * i386.md (HI to SImode promoting splitters): Rewrite.
14574 (pushsf mem peep2): New.
14575 (testhi to andhi peep2): Remove.
14576 * i386.h (x86_promote_QImode): New.
14577 (TARGET_PROMOTE_QImode): New.
14578 (PREDICATE_CODES): Add promotable_binary_operator.
14579 * i386.c (x86_promote_QImode0: New.
14580 (promotable_binary_operator): New.
14581 * i386-protos.h (promotable_binary_operator): New.
14583 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
14585 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
14587 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14589 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
14590 * function.c (insert_block_after_note): Remove.
14591 (retrofit_block): Likewise.
14592 (identify_blocks): Fix indentation.
14593 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
14594 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
14595 * function.h (insert_block_after_note): Remove prototype.
14596 (retrofit_block): Likewise.
14597 * integrate.c (expand_inline_function): Don't call
14598 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
14599 just expand_start_bindings. Use the block_map to remap old
14600 NOTE_BLOCKs to new ones.
14601 (integrate_decl_tree): Keep track of remapped blocks.
14602 * integrate.h (struct inline_remap): Add block_map.
14603 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
14604 NOTE_BLOCK on the notes.
14605 (expand_start_bindings): Rename to ...
14606 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
14607 (expand_end_bindings): Set NOTE_BLOCK.
14608 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
14609 reconstruct the BLOCK tree.
14610 * tree.h (expand_start_bindings): Macroize. Call ...
14611 (expand_start_bindings_and_block): New function.
14613 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14615 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
14616 to match the format.
14618 1999-12-16 David S. Miller <davem@redhat.com>
14620 * expr.c (emit_move_insn_1): Only emit clobbers if one of
14621 the outputs is a SUBREG.
14622 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
14625 * config/sparc/sparc.c (epilogue_renumber): Add default case
14628 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14630 * toplev.c (rest_of_compilation): Run branch shortening after
14633 * regclass.c (loop_depth): Remove
14634 (scan_one_insn): Do not handle LOOP_NOTE insns.
14635 (regclass): Go through basic blocks and set loop_cost
14637 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
14639 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
14641 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14643 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
14644 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
14645 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
14647 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
14649 * loop.c (insert_loop_mem): Ignore memory clobbers.
14651 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
14654 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
14656 * profile.c: Remove redundant #include "output.h".
14658 * h8300.md (HImode preinc peephole): Fix typo.
14660 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14662 * function.c (retrofit_block): Abort if we don't find a suitable insn.
14663 (insert_block_after_note): Abort if we don't have a previous block.
14664 Remove FN parameter.
14665 * function.h: Adjust.
14667 1999-12-15 Mark Mitchell <mark@codesourcery.com>
14669 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
14670 argument more than once.
14672 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14674 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
14676 1999-12-15 Jakub Jelinek <jakub@redhat.com>
14678 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
14680 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14682 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
14683 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
14684 update stack_alignment_needed.
14685 (prepare_function_start): Initialize stack_alignment_needed
14686 * function.h (struct function): Add field stack_alignment_needed.
14688 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14690 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
14691 Handle live_throughout / dead_or_set instead of live_before /
14693 (save_call_clobbered_regs): Get register livenessinformation from
14694 chain->live_throughout.
14695 (add_stored_regs): New function.
14696 (insert_restore, insert_save): Add restored / saved registers to
14698 * global.c (reg_dies): New parameter chain.
14699 (reg_becomes_live): Third parameter is regs_set now.
14700 Changed all callers.
14701 (reg_dies): New parameter chain. Changed all callers.
14702 (build_insn_chain): Set live_throughout instead of
14703 live_before / live_after.
14704 * reload.h (struct insn_chain): Replace members live_before /
14705 live_after with live_throughout / dead_or_set.
14706 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
14707 instead of live_before / live_after.
14708 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
14709 (order_regs_for_reload, find_reg, finish_spills): Likewise.
14710 (choose_reload_regs_init): Likewise.
14711 * stupid.c (current_chain, find_clobbered_regs): Delete.
14712 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
14713 instead of chain->live_before / chain->live_after.
14714 (mark_hard_ref): New function.
14715 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
14717 1999-12-15 David S. Miller <davem@redhat.com>
14719 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
14721 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14723 * flow.c (calculate_loop_depth): Make global, remove prototype,
14724 rewrite to use new loop infrastructure.
14725 (find_basic_block): Remove calculate_loop_depth call.
14726 * toplev.c (rest_of_compilation): Call find_basic_block.
14727 * output.h (calculate_loop_depth): Declare.
14729 * flow.c (dump_flow_info): Dump loop_depth.
14730 (flow_loops_nodes_find): Increase loop_depth for basic block in the
14732 (flow_loops_find): Initialize the loop_depth for each basic block.
14734 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14736 * tree.c (decl_function_context): Handle virtual functions.
14738 * tlink.c (scan_linker_output): Don't look in demangled name when
14739 looking for linker output keywords.
14741 * dwarfout.c (output_type): We can defer namespace-scope classes.
14743 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
14745 * regclass.c (record_reg_classes): Update comment for merging
14746 register class preferences in reg->reg copies. Tighten conditions
14747 for merging register class preferences in reg->reg copies.
14749 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
14751 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
14753 1999-12-14 Geoff Keating <geoffk@cygnus.com>
14755 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
14756 (INIT_SECTION_ASM_OP): Delete.
14757 (FINI_SECTION_ASM_OP): Delete.
14758 (STARTFILE_SPEC): Define to hold just crtbegin.o.
14760 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
14762 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
14763 the abstract origin wasn't emitted.
14765 * dwarf2out.c (class_scope_p): New fn.
14766 (gen_subprogram_die): Use it.
14767 (gen_variable_die): Use it. Tweak logic.
14768 (gen_struct_or_union_type_die): Check context_die to determine
14769 if we're function-local.
14770 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
14772 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14774 * loop.c (check_dbra_loop): Can't reverse a biv that has
14775 maybe_multiple set.
14777 1999-12-14 Nick Clifton <nickc@cygnus.com>
14779 * config/arm/arm.c: Add support for -mcpu=arm720 command line
14782 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14784 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
14785 for givs made from biv increments.
14787 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
14789 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
14790 * alpha.c (override_options): Recognize -mcpu=ev67.
14791 * alpha.h (CPP_CPU_EV67_SPEC): New.
14792 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
14793 (EXTRA_SPECS): Update.
14795 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
14797 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
14798 appropriate for -lang-c89 and -std=*.
14799 * cppinit.c (cpp_handle_option): Likewise.
14800 (new_pending_define): New, split out from cpp_handle_option.
14801 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
14802 or enable trigraphs for -ansi/-std=*.
14804 * ginclude/stdarg.h (__va_copy): New.
14805 (va_copy): Don't define for C89.
14807 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
14809 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
14810 for long long multiply-accumulate.
14812 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14814 * regclass.c (scan_one_insn): Set loop_cost to 1 when
14815 optimizing for size.
14817 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14819 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
14820 if something changed. Back out that part of yesterday's changes.
14822 * loop.c (loop_max_reg): New static variable.
14823 (loop_optimize): Initialize it. Eliminate one unnecessary call to
14825 (scan_loop): Call reg_scan_update whenever we may have added new
14826 registers, and update loop_max_reg.
14828 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14830 * regclass.c (record_reg_classes): Do not do the copying preferrencing
14831 when source does not die.
14833 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
14835 1999-12-14 Jakub Jelinek <jakub@redhat.com>
14837 * config/sparc/linux64.h (TARGET_LIVE_G0,
14838 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
14840 * config/sparc/linux.h (TARGET_LIVE_G0,
14841 TARGET_BROKEN_SAVERESTORE): Likewise.
14842 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
14843 TARGET_BROKEN_SAVERESTORE): Likewise.
14845 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
14846 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
14848 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
14849 as sparc64 block profiling register.
14850 * config/sparc/sparc.c (sparc_override_options): Allow block
14851 profiling with -m32.
14852 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
14853 profiling register.
14854 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
14855 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
14856 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
14858 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
14860 * config/sparc/sparc.h: Likewise.
14861 * config/sparc/xm-sysv4-64.h: Likewise.
14862 * config/float-sparc.h: Likewise.
14863 * glimits.h: Likewise.
14864 * longlong.h: Likewise.
14866 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
14867 (ASM_IDENTIFY_GCC): Remove.
14869 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14871 * combine.c (combine_simplify_rtx): Don't make shared rtl.
14872 (simplify_logical): Likewise.
14874 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14876 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
14877 * cppfiles.c (INO_T_EQ): Likewise.
14879 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14881 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
14882 * i386/mingw32.h (LIB_SPEC): Likewise.
14883 (STARTFILE_SPEC): Likewise.
14884 * i386/uwin.h (LIB_SPEC): Likewise.
14885 (STARTFILE_SPEC): Likewise.
14887 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
14888 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
14890 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
14892 * combine.c (combine_simplify_rtx): Fix order of checks for
14893 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
14895 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
14897 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
14898 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
14900 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14902 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
14904 * regclass.c (inv_reg_alloc_order): New array.
14905 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
14907 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
14908 counted_for_groups, counted_for_nongroups. Add fields rld and
14910 * reload.c (push_secondary_reload): Don't set nongroup field of
14912 (push_reload): Likewise.
14913 (find_reloads): Delete code to compute nongroup fields.
14914 * reload1.c (reload_insn_firstobj): New static variable.
14915 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
14917 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
14918 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
14919 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
14921 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
14923 (struct hard_reg_n_uses): Deleted.
14924 (potential_reload_regs): Deleted.
14925 (init_reload): Initialize spilled_pseudos and pseudos_counted.
14926 (reload): Don't try to allocate reload registers if we already know
14927 we have to make another pass. Call select_reload_regs. Free memory
14928 starting with reload_firstobj when starting another pass.
14929 Don't allocate spilled_pseudos.
14930 (calculate_needs_all_insns): Call copy_reloads for an insn that
14931 needs reloads; don't call calculate_needs.
14932 (spill_cost): New static array.
14933 (used_spill_regs_local): New static variable.
14934 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
14935 to compute potential_reload_regs.
14936 (find_reload_regs): Completely rewritten to use find_reg.
14937 (allocate_reload_reg): Don't test counted_for_groups or
14938 counted_for_nongroups. Lose NOERROR arg and code to give an error;
14939 all cllers changed.
14940 (choose_reload_regs): Add fallback code that uses the existing
14941 register allocation from find_reload_regs.
14943 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
14945 * flow.c (create_edge_list): Cast xmalloc return value.
14947 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
14949 * doprnt.c: Remove incorrect comment closure.
14951 * cse.c: Fix a few minor whitespace goofs.
14953 1999-12-13 Don Bowman <don@pixstream.com>
14955 * mips/vxworks.h: Fix problem with comment termination.
14956 (EXTRA_SECTIONS): Add in_sbss.
14957 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
14959 1999-12-12 David S. Miller <davem@redhat.com>
14961 * cse.c (struct cse_reg_info): Add hash_next member,
14962 reorder rest of struct for better packing on 64-bit
14964 (cse_reg_info_tree): Kill.
14965 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
14966 REGHASH_FN): New custom pow2 hash mechanism.
14968 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
14969 use a pow2 hash table.
14970 (get_cse_reg_info): Rework to use new REGHASH.
14971 (new_basic_block): Likewise, use HASH_SIZE, and inline
14973 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
14974 and inline free_element call.
14975 (lookup_as_function, insert, flush_hash_table, invalidate,
14976 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
14977 invalidate_for_call, use_related_value, find_comparison_args,
14978 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
14979 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
14980 get_element): Kill.
14982 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
14984 * cse.c (cse_basic_block): Free qty_table consistently.
14986 1999-12-12 David S. Miller <davem@redhat.com>
14987 Jakub Jelinek <jakub@redhat.com>
14989 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
14990 SUBREGs by hand, gen the appropriate hard reg directly.
14991 (movtf reg/mem split): Likewise and alter_subreg on destination
14993 (movtf mem/reg split): Similarly.
14994 (movdf_cc_sp64): Rename from hidden pattern.
14995 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
14996 (movtf_cc_sp64, following split): New pattern and splitter.
14997 (movdf_cc_reg_sp64): Rename from hidden pattern.
14998 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
15000 (movtf_cc_reg_sp64, following split): New pattern and splitter.
15002 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
15004 * loop.c (load_mems): Don't hoist written floating point mem
15007 1999-12-12 Mark Mitchell <mark@codesourcery.com>
15009 * except.h (struct eh_queue): Add `next' pointer.
15010 (struct eh_status): Make x_ehqueue a pointer.
15011 (push_ehqueue): Declare.
15012 (pop_ehqueue): Likewise.
15013 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
15015 (expand_fixup_region_end): Likewise.
15016 (expand_leftover_cleanups): Likewise.
15017 (push_ehqueue): Define.
15018 (pop_ehqueue): Likewise.
15019 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
15020 than doing it inline.
15021 (expand_start_all_catch): Adjust now that ehqueue is a
15023 (mark_eh_queue): Mark all level of the queue.
15024 (mark_eh_status): Adjust now that ehqueue is a
15026 (init_eh_for_function): Allocate ehqueue.
15027 (free_eh_status): Free it.
15028 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
15029 expansion for a fixup.
15031 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15033 * gthr-single.h (__gthread_active_p): Add prototype arguments.
15035 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
15036 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
15037 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
15038 function_ptr, getpagesize, __enable_execute_stack,
15039 __enable_execute_stack, __clear_insn_cache,
15040 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
15041 _cleanup, _exit, __default_terminate, __terminate_func,
15042 __terminate, __empty, __throw, new_eh_context,
15043 eh_context_initialize, eh_context_static, eh_context_specific,
15044 get_eh_context, __get_eh_context, __get_eh_info,
15045 init_reg_size_table, eh_threads_initialize,
15046 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
15047 __unwinding_cleanup, throw_helper, __throw, __rethrow,
15048 __pure_virtual): Add prototype arguments.
15049 (__bb_exit_func): Cast a sizeof to long when comparing against one.
15050 Cast a signed value to unsigned long when comparing against one.
15051 (new_eh_context): Wrap in _GTHREADS macro.
15052 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
15054 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
15055 (throw_helper): Initialize variables `handler_p' and `pc_p'.
15057 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15059 * combine.c (record_promoted_value): Remove unused variable
15062 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
15064 * global.c (record_conflicts): Likewise for `j'.
15066 * genoutput.c (output_insn_data): Don't unnecessarily cast away
15069 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15071 * i386-protos.h (output_387_binary_op, output_fix_trunc,
15072 output_fp_compare): Constify a char*.
15074 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
15076 (override_options, ix86_comp_type_attributes, print_operand,
15077 output_387_binary_op, output_fix_trunc, output_fp_compare):
15079 (ix86_sched_reorder): Mark parameter `clock_var' with
15082 * i386.h (DEBUG_PRINT_REG): Constify a char*.
15084 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
15086 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
15087 operand, for use in the Java front-end.
15089 1999-12-10 Ben Collins <bcollins@debian.org>
15091 * configure.in: Fix typo for "-64" in 64bit as check.
15092 * configure: Rebuilt.
15094 1999-12-10 Jakub Jelinek <jakub@redhat.com>
15096 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
15099 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15101 * c-parse.in (string): With -Wtraditional, warn if ANSI string
15102 concatenation is utilized.
15104 * invoke.texi (-Wtraditional): Document it.
15106 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15108 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
15109 Cast a ptrdiff_t to long and pass it to printf with %ld.
15111 1999-12-10 Geoff Keating <geoffk@cygnus.com>
15113 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
15114 68881, we have no 68881 registers at all.
15115 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
15116 value in a 68881 register if it is available.
15118 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
15120 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
15121 for long long multiply-accumulate.
15123 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15125 * loop.c (insert_loop_mem): Undo last change.
15127 1999-12-10 David S. Miller <davem@redhat.com>
15129 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
15131 * config/sparc/sparc-protos.h: Add them.
15132 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
15133 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
15134 constraints which use those helpers.
15135 (EXTRA_CONSTRAINT): Use this new macro.
15136 * md.texi: Update sparc target constraints documentation.
15137 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
15138 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
15139 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
15140 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
15141 (movsf high/lo_sum split): Rework for new patterns.
15142 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
15144 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
15146 * c-common.c (c_common_nodes_and_builtins):
15147 Create __builtin_ptrdiff_t and __builtin_size_t.
15149 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
15151 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
15153 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15155 * regclass.c (globalize_reg): Re-instate test that allows
15156 fixed registers to be declared as a variable even after functions
15159 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15161 * i386.md (cpu attribute): Add "athlon".
15162 (athlon_decode): New attribute.
15163 (Athlon scheduling units definitions): New.
15164 (fcmp and shld patterns): Set athlon_decode to "vector".
15165 * i386.c (athlon_cost): New.
15167 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
15168 x86_use_sahf): Set for Athlon.
15169 (x86_use_fiop): Unset for Athlon.
15170 (override_options): Define Athlon alignments and "athlon" name.
15171 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
15172 * i386.h (TARGET_ATHLON): New.
15173 (enum processor_type): Add PROCESSOR_ATHLON.
15174 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
15176 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
15178 1999-12-09 Andreas Jaeger <aj@suse.de>
15180 * loop.c (record_biv): Declare parameter as int.
15182 * config/i386/i386-protos.h: Declare long_memory_operand.
15184 1999-12-09 Mark Mitchell <mark@codesourcery.com>
15186 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
15187 EXPR_WITH_FILE_LOCATION.
15189 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15191 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
15194 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
15196 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
15199 1999-12-09 Jakub Jelinek <jakub@redhat.com>
15201 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
15202 default on linux64 again.
15203 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
15204 models for multilibing.
15205 * genmultilib: Accept | as alternative separator within a set in
15208 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
15210 * calls.c (precompute_arguments): Make sure initial_value contains
15211 value pseudo which CSE expects.
15212 * cse.c (struct set): New entry orig_src.
15213 (cse_insn): Set it early on entry, use it for libcall EQUIV note
15216 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
15218 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
15220 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
15222 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
15224 1999-12-08 Jakub Jelinek <jakub@redhat.com>
15226 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
15227 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
15229 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
15232 * longlong.h: Merge in changes from glibc.
15233 Also don't clobber %g2 register in 32bit SPARC assembly, so that
15234 -mno-app-regs libgcc can be compiled.
15235 * libgcc2.c: Add defines so that the updated longlong.h
15236 can be used in libgcc2.a. Also, make sure on most architectures
15237 (at least on all which have optimized code in longlong.h defined
15238 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
15240 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15242 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
15243 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
15244 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
15246 * configure: Rebuilt.
15248 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
15250 * alpha.c (secondary_reload_class): For !BWX, sub-simode
15251 outputs require a register.
15253 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
15255 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
15256 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
15257 functions like dptoul will be resolved.
15258 (libgcc2.a): Make sure that the object files from DPBIT are named
15259 differently (prefix `_dp') from those that would be coming from
15262 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
15264 * configure.in: When target is sparc* and tm_file contains 64,
15265 test for 64bit support in assembler. If not supported, remove
15266 sparc/t-sol2-64 from target-dependent Makefile fragments.
15267 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
15268 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
15269 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
15270 * acconfig.h (AS_SPARC64_FLAG): Added.
15271 * configure, config.in: Rebuilt.
15272 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
15273 support. Use AS_SPARC64_FLAG.
15275 1999-12-07 Jakub Jelinek <jakub@redhat.com>
15277 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
15278 suitable for holding OFmode values so that gcc works with complex
15280 (hard_64bit_mode_classes): Likewise.
15282 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
15283 so that it is actually matched.
15284 (sethi_di_medlow): Likewise.
15286 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
15287 as legitimate constant if -mvis.
15288 * config/sparc/sparc.md (movtf): Likewise.
15289 (clear_sf): Use const_double_operand.
15290 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
15292 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
15293 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
15294 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
15295 routines, _Qp_* cannot be handled like that now.
15296 (INIT_TARGET_OPTABS): Likewise.
15297 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
15298 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
15299 sparc_emit_float_lib_cmp if ARCH64 and soft float.
15300 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
15301 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
15302 divtf3, sqrttf3): New expanders.
15303 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
15304 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
15305 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
15308 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
15309 * configure: Rebuilt.
15310 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
15311 -mcpu is given and we're doing 64bit compiles.
15313 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
15315 * loop.h (struct induction): Add multi_insn_incr.
15316 * loop.c (basic_induction_var): New multi_insn_incr argument.
15317 Set it if we search back through previous insns for the biv.
15318 (record_biv): New multi_insn_incr argument; fill in struct induction.
15319 (strength_reduce): Discard an iv with multiple bivs, any of
15320 which require multiple insns to increment.
15322 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15324 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
15327 1999-12-06 David S. Miller <davem@redhat.com>
15329 * combine.c (check_promoted_subreg): Do not conditionalize this upon
15330 PROMOTE_FUNCTION_RETURN.
15332 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
15334 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
15335 and handle REG_UNUSED note on insn.
15337 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
15338 inner_mask instead of mask.
15340 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
15342 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
15343 zero if there was an error.
15345 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15347 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
15350 * longlong.h: Fix clobbers in SPARC asm statements.
15352 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
15353 valid sethi operations when TARGET_ARCH64.
15355 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
15356 always use move_by_pieces to avoid infinite recursion.
15357 (restore_fixed_argument_area): Likewise.
15359 * combine.c (check_promoted_subreg, record_promoted_value): New
15361 (combine_instructions): Use them to retain nonzero and sign bit
15362 information after SUBREGs are eliminated by optimizations in
15363 this pass if PROMOTE_FUNCTION_RETURN.
15365 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
15366 .register declaration. Don't use variables with __ prefixes.
15368 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15370 * fold-const.c (optimize_bit_field_compare): Only use one mode
15371 for both RHS and LHS in non-constant case.
15373 1999-12-06 Nathan Sidwell <nathan@acm.org>
15375 * frame.c (start_fde_sort): Only allocate erratic array, if
15376 linear one was allocated. Return allocated flag.
15377 (fde_insert): Only insert, if there's a valid array.
15378 (fde_end_sort): Split, sort and merge if linear and erratic
15379 arrays exist, else just sort linear one.
15380 (search_fdes): New function. Linear search through original fde
15382 (frame_init): Permit multiple initializations. Cope with
15384 (find_fde): Fallback on linear search, if failed to sort array.
15385 (__deregister_frame_info): Only free sorted array, if we
15388 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15390 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
15392 1999-12-05 Jakub Jelinek <jakub@redhat.com>
15394 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
15396 1999-12-05 Mark Mitchell <mark@codesourcery.com>
15398 * tree.h (special_function_p): Declare.
15399 * calls.c (special_function_p): Make it global. Don't take `name'
15400 as a parameter. Fix typo in 1999-11-28 change.
15401 (expand_cal): Adjust.
15403 1999-12-04 Mark Mitchell <mark@codesourcery.com>
15405 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
15406 * tree.h (EXPR_WFL_FILENAME): Define in terms of
15407 EXPR_WFL_FILENAME_NODE.
15408 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
15410 * print-tree.c (print_note): Print TREE_PRIVATE and
15413 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
15414 the original die cannot be found.
15416 * varray.h (varray_head_tag): Add elements_used.
15417 (VARRAY_PUSH): New macro.
15418 (VARRAY_POP): Likewise.
15419 (VARRAY_TOP): Likewise.
15420 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
15422 * varray.c (varray_init): Initialize elements_used.
15423 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
15424 (INTEGRATE_H): New variable.
15425 (integrate.o): Depend on INTEGRATE_H.
15426 (unroll.o): Likewise.
15428 * function.h (insert_block_after_note): Declare.
15429 * function.c (insert_block_after_note): Split out from ...
15430 (retrofit_block): ... here.
15432 * stmt.c (expand_fixup): Fix typo in comment.
15434 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15436 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
15437 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
15438 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
15439 (regmove_optimize, fixup_match_1): Likewise.
15441 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15443 * flow.c (flow_loops_dump): Add missing argument when calling
15444 flow_loop_nested_p.
15446 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
15447 Greg McGary <gkm@gnu.org>
15449 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
15450 (init_attributes): Add A_NO_LIMIT_STACK.
15451 (decl_attributes): Handle A_NO_LIMIT_STACK.
15452 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
15453 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
15454 Handle stack bounds checking.
15455 * flags.h (flag_stack_check): Use the word 'probe' rather than
15456 'check', because the flag doesn't actually cause any checking to
15458 * function.c (expand_function_start): Set
15459 current_function_limit_stack.
15460 * function.h (struct function): Add limit_stack.
15461 (current_function_limit_stack): Define.
15462 * invoke.texi (Code Gen Options): Document new options.
15463 * rtl.h: Declare stack_limit_rtx.
15464 * toplev.c (stack_limit_rtx): New variable.
15465 (decode_f_option): Handle new options -fstack-limit-register=REG,
15466 -fstack-limit-symbol=IDENT, -fno-stack-limit.
15467 (main): Add stack_limit_rtx as GC root.
15468 * tree.h (DECL_NO_LIMIT_STACK): New macro.
15469 (struct tree_decl): New member no_limit_stack.
15471 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
15473 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
15474 (conditional_trap+1): Get new mnemonic correct.
15475 (conditional_trap+2): New pattern for DImode traps.
15477 * config/m68k/m68k.c (output_function_prologue): Handle
15479 * config/m68k/m68k.md (trap): New insn.
15480 (conditional_trap): New insn.
15481 * md.texi (Standard Names): Document `trap' and
15482 `conditional_trap'.
15483 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
15484 so a cc0 setter doesn't get emitted at some random place in the
15487 * config/i960/i960.md (trap): New insn.
15488 (conditional_trap): New expander.
15489 (conditional_trap+1, conditional_trap+2): New insns for signed
15490 and unsigned cases.
15491 * config/i960/i960.c (i960_function_prologue): Use
15492 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
15494 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
15495 Geoffrey Keating <geoffk@cygnus.com>
15497 * flags.h (warn_padded, warn_packed): Add global var decls.
15498 * toplev.c (warn_padded, warn_packed): Add global var defns.
15499 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
15500 * stor-layout.c (layout_record): Add local variable `type'
15501 to hold often-used TREE_TYPE (field). Add local variable
15502 `unpacked_align' to hold alignment that would be in force
15503 if no `packed' attribute were present. Warn if `packed' attribute
15504 is unnecessary, or even harmful. Warn when gcc inserts padding
15505 to satisfy alignment requirements of members. Use NULL_TREE
15506 when checking whether var_size is set.
15507 * invoke.texi: Document new flags.
15509 1999-12-03 Nathan Sidwell <nathan@acm.org>
15511 * frame.c (fde_split): Reimplement to avoid variable sized array.
15513 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15515 * combine.c (try_combine): Before fixing up LOG_LINKS for the
15516 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
15518 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
15520 * invoke.texi: Document the mips option -mno-crt0
15522 1999-12-02 Mike Karr <mkarr@mathworks.com>
15524 * cccp.c (argdata): Added free_ptr member.
15525 (macroexpand): Initialize free_ptr of each argument. When an
15526 argument's buffers are freed, if the argument's free_ptr corresponds
15527 to a buffer on the input stack, then return the free_ptr to that stack
15528 frame, otherwise, free it.
15529 (macarg): If an argument begins and ends on the same input stack level,
15530 then transfer the free_ptr of that buffer to the argument in case
15531 the stack is popped during the processing of a subsequent argument.
15533 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
15535 * loop.c (note_reg_stored): New function.
15536 (struct note_reg_stored_arg): New structure.
15537 (try_copy_prop): Change to be more conservative; only replace within
15538 one extended basic block and stop replacing if a store to the
15539 replacement reg is seen.
15541 1999-12-02 Nick Clifton <nickc@cygnus.com>
15543 * config/fp-bit.c: Initialise all fields of the NAN
15546 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
15549 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15551 * i386.md (extend?f?f2): Force the input into a register, not
15554 1999-12-01 Jakub Jelinek <jakub@redhat.com>
15556 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
15558 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
15559 alternative because setting up 64bit constant is usually costly,
15560 especially when reload is in progress or completed.
15561 (movdf_const_intreg_sp64): Likewise.
15562 (movdf_const_intreg split): Fix building up constants when
15563 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
15565 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
15567 * combine.c (if_then_else_cond): Use const_true_rtx instead of
15568 const1_rtx for return values in EQ/NE comparison against (const_int 0)
15571 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
15572 (asm_file_start): Emit .am33 into assembly file when compiling for
15574 (print_operand_address): Handle POST_INC addresses.
15575 (can_use_return_insn, initial_offset): Check AM33 registers too.
15576 (expand_prologue): Check & save AM33 registers too.
15577 (expand_epilogue): Similarly.
15578 (secondary_reload_class): Handle AM33 specific secondary reloads.
15579 (output_tst): Emit efficient code for the AM33 too.
15580 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
15581 (TARGET_SWITCHES): Add -mam33 switch.
15582 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
15583 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
15584 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
15585 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
15586 (enum reg_class, REG_CLASS_NAMES): Likewise.
15587 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
15588 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
15589 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
15590 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
15591 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
15592 (HAVE_POST_INCREMENT): Define.
15593 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
15594 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
15595 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
15596 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
15597 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
15598 (zero_extend to SI from QI/HI): Likewise.
15599 (sign_extend to SI from QI/HI): Likewise.
15600 (mulsidi3, umulsidi3): New patterns for the AM33.
15601 (tstsi with zero extension from QI/HI): Add AM33 variants.
15602 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
15603 (return_internal_regs, store_movm): Handle new AM33 registers.
15604 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
15605 (LIBGCC, INSTALL_LIBGCC): Likewise.
15606 * invoke.texi: Document new flags.
15608 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15610 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
15611 (addsi3_carry): Likewise.
15612 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
15613 (sbbsi3_carry): Likewise.
15614 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
15615 (mulhi3): Likewise.
15616 (test?i_1): Ensure that only one operand is memory.
15617 (conditional move patterns): likewise.
15618 (shift and rotate patterns): Rewrite to expander, add
15619 "binary_operator_ok" to the condition.
15621 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
15622 * i386.h (procesor_costs): Add movzbl_load field.
15623 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
15624 non-Q registers, accept DImode registers anywhere.
15626 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
15627 * i386.c (*_cost): Set value for movxbl_load field.
15629 * (addsi): New add to lea splitter.
15630 (ashlsi): Likewise.
15631 (lea to add/shift peep2): New.
15633 1999-12-01 Mark Salter <msalter@cygnus.com>
15635 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
15636 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
15637 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
15639 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15641 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
15642 * i386.md (movsi_xor): New.
15644 (movsi_1, movhi_1, movqi_1): Remove.
15645 (movsi_2): Rename to movsi_1.
15646 (movhi_2): Rename to movhi_1.
15647 (movqi_2): Rename to movqi_1.
15648 (movdi_1): Remove; remove splitter.
15649 (movdi_2): Rename to movdi_1.
15650 (divmodsi4 splitter): Do not emit clobbers for move patterns.
15651 (long move peep2): Do not create QI or HI mode mov0s
15652 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
15654 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
15657 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
15658 (abs?f2_if): Likewise.
15660 1999-11-30 Alex Samuel <samuel@codesourcery.com>
15662 * ggc.h (ggc_test_and_set_mark): New macro.
15663 (ggc_mark_rtx): Use ggc_test_and_set_mark.
15664 (ggc_mark_tree): Likewise.
15665 (ggc_mark_rtvec): Likewise.
15666 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
15668 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
15670 * dwarf2out.c (scope_die_for): Only handle types. Only search for
15672 (decl_scope_table): Just an array of trees now.
15673 (push_decl_scope): Simplify.
15674 (dwarf2out_init): Adjust.
15675 (local_scope_p): New fn.
15676 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
15677 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
15678 (gen_typedef_die): Likewise.
15679 (gen_lexical_block_die): Don't call push/pop_decl_scope.
15680 (gen_inlined_subroutine_die): Likewise.
15681 (gen_abstract_function): Set current_function_decl temporarily.
15682 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
15683 Handle block extern declarations. Don't call push/pop_decl_scope.
15684 (gen_decl_die): Fix logic for block externs.
15686 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15688 * calls.c (special_function_p): Remove `realloc' and add `strdup'
15689 to the list of functions which have attribute malloc by default.
15691 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15693 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
15694 integer constant does not match the traditional type, limit the
15695 warnings to cases where the base of the type is ten.
15697 * invoke.texi (-Wtraditional): Document it.
15699 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15701 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
15702 * rs6000.md: Only access a CONST_INT with INTVAL
15704 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
15706 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
15707 (compute_nearerout): Likewise.
15708 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
15709 size_t to unsigned long for formatting.
15711 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15713 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
15714 Allow the user to override call-used/fixed state of %g2-5
15715 registers from the command line (with the exception of %g4 for
15717 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
15718 there is a higher chance of having a leaf function.
15719 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
15720 for ARCH64 which has %ccr register.
15721 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
15723 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
15724 insn accept into delay slot any insn which does not use %[ol]
15725 registers. Accept some LO_SUM and shift left by 1 for the normal
15727 (output_function_epilogue): Likewise.
15728 (epilogue_renumber): Added argument which inhibits any renumbering
15729 and just tests if the rtx does not use any %[ol] registers.
15730 (output_return): Reflect above change.
15732 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15734 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
15735 aggregate passing for sizes <= 16 bytes.
15737 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
15739 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
15740 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
15741 * reload.c (find_dummy_reload): Likewise.
15742 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
15743 * reload1.c (reload_as_needed): Likewise.
15744 * stupid.c (stupid_find_reg): Likewise.
15745 * tm.texi (Obsolete Register Macros): Delete section.
15746 * gmicro.h: Remove all traces of the two macros.
15747 * i386.h: Likewise.
15748 * m88k.h: Likewise.
15749 * mips.h: Likewise.
15751 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
15753 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
15754 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
15755 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
15756 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
15757 units for the sparclite86x chip.
15758 (flush): Revert October 14th change; add SImode specifically.
15759 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
15760 * invoke.texi: Document it.
15762 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
15764 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
15765 psimode_truncation_operand.
15767 * config/mn10200/mn10200.c (psimode_truncation_operand): New
15768 function. Return true if the operand is either a MEM valid
15769 for a PSImode address or not a MEM at all.
15771 * config/mn10200/mn10200.md (truncsipsi2): Use
15772 psimode_truncation_operand.
15774 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15776 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
15777 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
15778 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
15779 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
15780 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
15781 (flow_loop_level_compute, low_loops_level_compute): Likewise.
15782 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
15783 * basic-block.h: Protect from multiple inclusion.
15784 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
15785 (struct loops, struct loop): Define structures.
15786 * sbitmap.c (sbitmap_a_subset_b_p): New function.
15787 * sbitmap.h: Protect from multiple inclusion.
15788 (sbitmap_a_subset_b_p): Add prototype.
15789 * Makefile.in (LOOP_H): New macro.
15790 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
15792 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
15794 * cppinit.c (CAT): The argument list of this macro may not contain
15797 1999-11-29 David S. Miller <davem@redhat.com>
15799 Move quantity tables and register equivalence chains into
15800 per-qty and per-register structure arrays respectively.
15801 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
15802 qty_const_insn, qty_comparison_code, qty_comparison_const,
15803 qty_comparison_qty): Delete, replace with...
15804 (qty_table): this structure table.
15805 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
15806 (reg_eqv_table): this structure table.
15807 (make_new_qty): Add argument MODE. Caller updated.
15808 Update to use qty_table and reg_eqv_table.
15809 (make_regs_eqv, delete_reg_equiv, insert_regs,
15810 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
15811 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
15812 cse_process_notes, cse_main, cse_basic_block): Likewise.
15814 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15816 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
15817 operation if C is negative.
15818 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
15819 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
15820 law for some divisions if constant is negative and change other
15821 divisions to the opposite rounding.
15823 * expr.c (store_constructor_field): If bit position is not multiple
15824 of alignment of TARGET's mode, use BLKmode.
15826 * expr.c (expand_expr_unaligned): Add more code from full case
15827 that is needed when OP0 is in a register.
15829 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15831 * dwarfout.c (field_byte_offset): Size can be zero if there was
15834 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15836 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
15837 (associate_trees): Delete unused var TEM.
15838 (extract_muldiv): Delete unused var CANCEL_P.
15840 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
15841 (target_isinf, target_isnan, target_negative): Add return types to
15842 function definitions.
15844 1999-11-29 Bruce Korb <autogen@linuxbox.com>
15846 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
15847 * fixinc/hackshell.tpl: ditto
15848 * fixinc/fixtests.c(double_slash_test): more C++ header testing
15849 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
15851 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15853 * reload.c (push_reload): When looking for a register to put into
15854 reg_rtx, make sure all hard regs in a multi-reg register are in the
15855 right class and nonfixed.
15857 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
15858 pending_read_insns, pending_write_insns, pending_read_mems,
15859 pending_write_mems, pending_list_length, last_pending_memory_flush,
15860 last_function_call, sched_before_next_call): Move static variables
15862 (bb_ prefixed versions): Replace with single array bb_deps.
15863 (struct deps): New structure.
15864 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
15865 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
15866 argument of type "struct deps *"; use that instead of global
15867 variables. All callers changed.
15868 (init_rgn_data_dependencies): Delete function.
15869 (init_rtx_vector): Delete function.
15870 (init_deps): New function.
15872 (free_pending_lists): Simplify, we always use the bb_deps array even
15873 if only one basic block.
15874 (compute_block_backward_dependences): Likewise.
15875 (schedule_region): Likewise.
15877 (propagate_deps): New function, broken out of
15878 compute_block_backward_dependences.
15879 (compute_block_backward_dependences): Use it.
15881 * alpha.md: Delete useless patterns that tried to work around
15882 register elimination problems.
15884 * unroll.c (loop_iterations): Don't abort if iteration variable
15887 From Joern Rennecke:
15888 * reload1.c (reloads_conflict): Reverse test comparing operand
15889 numbers when testing for conflict between output/outaddr reloads.
15891 1999-11-29 David S. Miller <davem@redhat.com>
15893 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
15895 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
15897 1999-11-28 Robert Lipe <robertl@cygnus.com>
15899 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
15900 table from .fini into .dtor.
15902 1999-11-28 Anthony Green <green@cygnus.com>
15904 * tree.h (struct tree_decl): Add malloc_flag.
15905 (DECL_IS_MALLOC): Define.
15906 * c-common.c (attrs): Add A_MALLOC attribute.
15907 (init_attributes): Add this attribute to the table.
15908 (decl_attributes): Handle malloc attribute.
15909 * calls.c (special_function_p): Check for the malloc attribute.
15910 * extend.texi (Function Attributes): Document malloc attribute.
15912 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
15914 * pa.md (reload shift-add patterns): Remove.
15916 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15918 * reorg.c (dbr_schedule) Print more statistics. Corrected
15919 problem when printing info when 3 delay slots are filled.
15921 1999-11-28 Jakub Jelinek <jakub@redhat.com>
15923 * combine.c (setup_incoming_promotions): Pass an outgoing
15924 regno to FUNCTION_ARG_REGNO_P which it expects.
15926 1999-11-28 Andreas Jaeger <aj@suse.de>
15928 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
15930 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
15932 * cccp.c (do_include): Avoid initialization of automatic variable.
15934 * integrate.c (mark_stores): Function definition made void, to match
15935 previous declaration.
15936 * regclass.c (dump_regclass): Ditto.
15937 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
15939 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15941 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
15942 known to be multiple of divisor.
15944 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
15946 * combine.c (try_combine): Add code to try to merge a set of a
15947 two-word pseudo to a constant with a setting of one of those words
15950 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
15951 (split_tree): Completely rework to make more general.
15952 (make_range, fold): Call negate_expr.
15953 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
15954 (fold, associate): Call new split_tree and associate_trees.
15955 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
15957 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
15959 * loop.c (try_copy_prop): Avoid GNU C extension.
15961 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15963 * except.c (init_eh_for_function): Still zero eh_return_context,
15964 eh_return_stack_adjust, and eh_return_handler.
15966 * except.h (eh_status): Adjust documentation for x_protect_list.
15967 (begin_protect_partials): New function.
15968 * except.c (enqueue_eh_entry): Fix formatting.
15969 (get_first_handler): Add consistency check.
15970 (add_partial_entry): Adjust usage of protect_list.
15971 (emit_cleanup_handler): Save and restore ehqueue.
15972 (expand_start_all_catch): Add comment.
15973 (begin_protect_partials): New function.
15974 (end_protect_partials): Adjust usage of protect_list.
15975 (init_eh_for_function): Use xcalloc.
15977 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15979 * c-common.c (check_format_info): Don't call a variadic function
15980 with a non-literal format string.
15982 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
15984 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
15985 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
15988 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
15991 * collect2.c (collect_wait): Likewise.
15993 * dbxout.c (dbxout_type): Likewise.
15995 * gcc.c (do_spec_1): Likewise.
15997 * genemit.c (gen_insn, gen_expand): Likewise.
15999 * genrecog.c (write_switch, write_subroutine): Likewise.
16001 * mips-tfile.c (catch_signal, botch): Likewise.
16003 * print-rtl.c (print_rtx): Likewise.
16005 * toplev.c (default_print_error_function, report_error_function,
16006 _fatal_insn): Likewise.
16008 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16010 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
16012 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16014 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
16015 operations when needed.
16016 * i386.md (fop_?f_comm): New.
16017 (fop_?f_1): Do not accept commutative operands.
16019 1999-11-25 Andreas Jaeger <aj@suse.de>
16021 * config/mips/mips.md (casesi_internal): Add missing brace.
16023 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
16025 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
16026 (splice_child_die): Handle moving a child DIE from the declaration
16027 DIE of a class to its specification.
16028 (gen_struct_or_union_type_die): Use 'complete' consistently.
16029 (gen_decl_die): Generate the virtual context DIE first.
16030 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
16032 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
16034 * config/mips/mips.md (call_value_multiple_interanal1): New.
16036 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
16038 * dwarf2out.c (free_AT, free_die): New fns.
16039 (remove_children): Call them.
16040 (output_line_info): Disable removal of duplicate notes.
16042 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
16043 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
16044 means pretend the type isn't defined.
16045 Don't defer emitting types.
16046 (gen_type_die_for_member): New fn.
16047 (gen_decl_die): Call it.
16048 (splice_child_die): New fn.
16049 (gen_member_die): Call it rather than generate duplicate dies.
16051 Defer emitting information for the abstract instance of an inline
16052 until we either inline it or emit an out-of-line copy.
16053 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
16054 from output_inline_function if DECL_ABSTRACT is also set.
16055 (block_ultimate_origin): Likewise.
16056 (gen_abstract_function): New fn.
16057 (gen_decl_die, gen_inlined_subroutine_die): Call it.
16058 (gen_subprogram_die): An abstract instance is not a declaration
16059 just because it doesn't match current_function_decl. Don't abort
16060 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
16061 has an abstract origin.
16062 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
16063 abstract instance here.
16065 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
16067 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
16068 where we need to reload fpul from a system register.
16070 1999-11-24 Andreas Jaeger <aj@suse.de>
16072 * config/mips/linux.h (CPP_PREDEFINES): Added.
16073 (LINK_SPEC): Remove -Y since this is only needed on sparc.
16075 1999-11-24 Andreas Jaeger <aj@suse.de>
16077 * config/mips/linux.h (TARGET_VERSION): Added.
16078 (HANDLE_SYSV_PRAGMA): Added.
16079 (DEFAULT_VTABLE_THUNKS): Added.
16081 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16083 * local-alloc.c (qty): New structure and static variable.
16084 (qty_phys_reg): Remove, all references changed to qty.
16085 (qty_n_refs): Likewise.
16086 (qty_min_class): Likewise.
16087 (qty_birth): Likewise.
16088 (qty_death): Likewise.
16089 (qty_size): Likewise.
16090 (qty_mode): Likewise.
16091 (qty_n_calls_crossed): Likewise.
16092 (qty_alternate_class): Likewise.
16093 (qty_changes_size): Likewise.
16094 (qty_first_reg): Likewise.
16095 (alloc_qty): Rename variable QTY to QTYNO.
16096 (finf_free_reg): Likewise.
16097 (local_alloc): Allocate qty, do not allocate the removed variables.
16099 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
16101 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
16102 when -membedded-pic is passed.
16104 * config/mips/mips.md (casesi): Handle 64-bit case too.
16105 (casesi_internal_di): New insn.
16107 * config/mips/mips.c (embedded_pic_offset): Always make the
16108 embedded-pic subtractions relative to the name of the current
16109 function by use of the magic string "..CURRENT_FUNCTION".
16110 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
16112 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
16114 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
16115 of (const_int 0), when what we really care about is
16116 whether it's a zero constant anyway.
16117 (div_trap_mips16): Likewise.
16119 1999-11-23 Mark Mitchell <mark@codesourcery.com>
16121 * loop.c (loop_optimize): Always find_loop_tree_blocks and
16122 unroll_block_trees when generating debuggable code.
16124 * tree.h (unsave_expr_1): New function.
16125 (lang_unsave): New variable.
16126 (get_callee_fndecl): New function.
16127 * tree.c (unsave_expr_now_r): New function.
16128 (lang_unsave): Define.
16129 (unsave_expr_1): Likewise.
16130 (unsave_expr_now_r): Split out from unsave_expr_now.
16131 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
16132 call unsave_expr_now_r.
16133 (get_callee_fndecl): Define.
16135 * Makefile.in (gencheck): Don't depend on lang_tree_files.
16136 (gencheck.o): Do depend on lang_tree_files.
16138 * integrate.h (copy_decl_for_inlining): New declaration.
16139 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
16140 (copy_decl_for_inlining): New function.
16141 (integrate_parm_decls): Use it.
16142 (integrate_decl_tree): Likewise.
16144 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
16146 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
16147 the second two from the first.
16148 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
16149 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
16150 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16152 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
16153 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16156 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
16158 * pa.md (call_internal_symref, call_value_internal_symref): No mode
16159 needed on the address operand.
16160 * pa.c (call_operand_address): Check for the correct mode.
16162 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
16164 * loop.c: Include "basic-block.h".
16165 (try_copy_prop, replace_loop_reg): New functions.
16166 (load_mems): Detect registers that just hold copies of the hoisted
16167 mem, and call try_copy_prop to eliminate them.
16168 * Makefile.in (loop.o): Update dependencies.
16170 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
16172 * Makefile.in (gencheck.o): Depend on gencheck.h.
16173 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
16174 (insn-peep.o): Depend on except.h and function.h.
16175 (insn-attrtab.o): Depend on RECOG_H.
16176 (insn-output.o): Depend on toplev.h and flags.h.
16177 (gengenrtl.o): Depend on real.h.
16178 (gen-protos.o): Depend on cpplib.h and cpphash.h.
16179 Unify all dependencies to be on RECOG_H rather than recog.h.
16181 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16183 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
16184 * configure.in: Try building a bi-arch 32/64-bit compiler on
16185 sparc-*-solaris2.7 and higher.
16186 * configure: Rebuild.
16188 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
16190 * config/freebsd.h: New, FreeBSD architecture independent file.
16191 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
16192 independent pieces.
16193 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
16194 directly by i386/freebsd.h.
16195 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
16196 independent configuration file.
16197 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
16198 directly by i386/freebsd.h.
16199 * configure: Rebuilt.
16201 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
16202 which is in the user's namespace.
16203 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
16204 `i386' which is not in our namespace.
16206 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
16208 * invoke.texi (ARM Options): Add in -mno-alignment-traps
16210 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16212 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
16213 (add_dwarf_attr, add_child_die): Just push onto the front.
16214 (reverse_die_lists): New fn.
16215 (add_sibling_attributes): Use it.
16216 (push_decl_scope): Reorganize.
16217 (add_name_and_src_coords_attributes): Don't set file and line for
16218 an artificial decl.
16219 (gen_subprogram_die): An artificial function doesn't need to match
16221 (gen_compile_unit_die): Return the generated die. Only add
16222 AT_comp_dir if the filename is relative.
16223 (remove_AT): Simplify loop. Also free string values.
16224 (output_die): A DIE ref can't be null.
16225 (output_value_format, value_format): Take a dw_attr_ref.
16226 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
16227 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
16228 AT_addr, AT_lbl): New fns.
16229 (various): Use them.
16230 (various): Constify.
16232 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16234 * combine.c (combine_simplify_rtx): When handling a SUBREG,
16235 take SUBREG_WORD into account.
16236 (if_then_else_cond): Likewise.
16238 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16240 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
16241 clause from BSD license, pursuant with
16243 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
16245 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
16247 * loop.c (load_mems): Reformat slightly.
16248 * basic-block.h (regset_head): New typedef.
16249 (INIT_REG_SET): New macro.
16251 1999-11-22 Bruce Korb <autogen@linuxbox.com
16253 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
16254 (mips-dec-bsd*): non-functional code
16255 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
16257 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
16258 added three replacement fixes
16259 (no_double_slash): removed comments that are not (any longer) pertinent
16260 (bad_lval): this fix currently runs against many files.
16261 The comment seems to indicate that we should select for files
16262 containing 'pragma extern_prefix'.
16264 * fixinc/fixinc.x86-linux-gnu: deleted
16265 * fixinc/inclhack.sh: regen
16266 * fixinc/fixincl.x: regen
16267 * fixinc/fixincl.sh: regen
16269 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
16271 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
16272 its code is INSN and it has no notes.
16274 1999-11-22 Andrew Haley <aph@cygnus.com>
16276 * varasm.c (function_defined): Remove.
16277 (make_function_rtl): Don't set function_defined.
16278 (make_decl_rtl): Remove global register warning.
16279 * regclass.c (no_global_reg_vars): New variable.
16280 (globalize_reg): Warn if function has already been defined.
16281 (regclass_init): Set no_global_reg_vars.
16283 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16285 * regclass.c (reg_pref): New structure and static variable
16286 (prefclass): Delete.
16287 (altclass): Delete.
16288 (all uses of prefclass and altclass): Use reg_pref instead.
16290 1999-11-21 Nick Clifton <nickc@cygnus.com>
16292 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
16294 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
16295 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16296 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16298 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
16300 * varasm.c (output_constructor): Solve problem with long long
16301 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
16303 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16305 * global.c (allocno): New structure and static variable.
16306 (allocno_reg): Remove, all references replaced by allocno.
16307 (allocno_size): Likewise.
16308 (hard_reg_conflicts): Likewise.
16309 (hard_reg_preferences): Likewise.
16310 (hard_reg_copy_preferences): Likewise.
16311 (hard_reg_full_preferences): Likewise.
16312 (regs_someone_prefers): Likewise.
16313 (allocno_calls_crossed): Likewise.
16314 (allocno_n_refs): Likewise.
16315 (allocno_live_length): Likewise.
16316 (find_reg): Rename ALLOCNO to NUM.
16318 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
16319 references updated.
16320 (may_move_out_cost): New variable.
16321 (init_reg_sets_1): Initialize may_move_out_cost.
16322 (record_reg_classes): Use may_move_out_cost.
16324 * regclass.c (dump_regclass): New function.
16325 (regclass): New parameter DUMP, call DUMP_REGCLASS.
16326 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
16327 pass rtl_dump_file to regclass.
16328 * rtl.h (regclass): Update prototype.
16330 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16332 * i386.md (neg, not and abs patterns): Revmap to use
16333 ix86_expand_unary_operator and ix86_unary_operator_ok.
16334 (add?f and sub?f expanders): Force operand 1 to register.
16335 * i386.c (ix86_expand_unary_operator): Rewrite.
16336 (ix86_unary_operator_ok): Ensure that memory operands
16338 (ix86_binary_operator_ok): Do not allow operand 1 to
16339 come into memory and operand 0 not.
16340 (ix86_expand_binary_operator): Ensure that
16341 src1 is not non-matching memory.
16343 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
16344 to support integer registers and memory.
16345 (abss?2_integer): Likewise.
16347 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
16348 (REG_CLASS_NAMES): Likewise.
16349 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
16351 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
16352 (movsf): Likewise; unify 4th and 5th alternative.
16353 (pushdf): Likewise.
16354 (movdf_1): Likewise; rename to movdf_integer.
16355 (pushxf): Likewise; rename to pushxf_integer; fix output template;
16356 remove redundant splitter.
16357 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
16358 (movdf_nointeger): New.
16359 (movxf_nointeger): New.
16360 (pushxf_nointeger): New.
16362 * i386.md (extend?f?f): Split to expander and pattern, refuse two
16363 memory operands in patterns.
16364 (fop*): Refuse two memory operands.
16366 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
16367 on !TARGET_USE_CLTD CPUs.
16369 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
16371 * extend.texi: Document C++ restricted pointers and references.
16373 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
16375 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
16376 (invalidate_skipped_set): Call it unconditionally.
16377 (cse_set_around_loop): Likewise.
16379 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16381 * rtl.texi (mem): Add documentation for alias-set argument
16384 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16386 * i386.h (struct_processor_costs): New fields int_load, int_store,
16387 fp_move, fp_load and fp_store
16388 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
16390 (MEMORY_MOVE_COST): New macro.
16391 * i386.c (386_cost): Define new fields.
16392 (i486_cost): Likewise.
16393 (pentium_cost): Likewise.
16394 (pentiumpro_cost): Likewise.
16395 (k6_cost): Likewise.
16397 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
16398 Geoffrey Keating <geoffk@cygnus.com>
16400 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
16402 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
16405 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
16406 (TARGET_STRICT_ALIGNMENT): New macro.
16407 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
16408 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
16409 * invoke.texi (M680x0 Options): Document -mstrict-align.
16411 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
16412 Richard Henderson <rth@cygnus.com>
16414 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
16415 (ix86_split_long_move): Declare.
16416 * i386.c (split_xf, ix86_split_movdi): Remove.
16417 (ix86_split_to_parts, ix86_split_long_move): New.
16418 * i386.md (dimode move splitters): Use ix86_split_long_move.
16419 (dfmode move splitters): Likewise.
16420 (xfmode move splitters): Likewise.
16421 (movsf_1): Allow F->r.
16422 (movdf_1, movxf_1): Allow F->ro.
16424 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16426 * except.h (struct eh_entry): Add goto_entry_p.
16427 (eh_region_from_symbol): Remove prototype.
16428 * except.c (find_func_region_from_symbol): New function.
16429 (emit_cleanup_handler): Likewise.
16430 (eh_region_from_symbol): Make it static.
16431 (add_new_handler): Verify the argument.
16432 (find_func_region): Update comment.
16433 (expand_eh_region_end): Expand handlers here, rater than waiting
16434 until expand_leftover_cleanups or start_all_catch.
16435 (expand_leftover_cleanups): Don't expand here.
16436 (expand_start_all_catch): Or here.
16437 (expand_rethrow): Check the return value from find_func_region.
16438 * function.c (expand_function_end): Emit the catch_clauses.
16440 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
16442 * integrate.c (expand_inline_function): Add necessary check for NULL.
16444 1999-11-18 Nick Clifton <nickc@cygnus.com>
16446 * toplev.c (main): Correctly detect an unrecognised option.
16448 * cppinit.c (cpp_handle_option): Do not claim to have consumed
16449 a -f option if it has not been recognised.
16451 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
16453 * basic-block.h (update_life_extent): Remove trailing comma on
16454 enumeration type list.
16456 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16458 * varasm.c (output_constructor) Solved problem with long long
16459 bitfields. Corrected calculating this_time and shift. Also
16460 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
16462 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
16464 * flow.c (split_edge): Take looping structure into account when
16465 determining where to put the new block note.
16467 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
16469 * Makefile.in (ggc-none.o): Provide host specific version if
16472 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
16474 * cse.c (delete_trivially_dead_insns): Identify no-op insns
16475 containing subregs too.
16477 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16479 * invoke.texi: Add documentation for -muninit-const-in-rodata.
16480 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
16481 (TARGET_UNINIT_CONST_IN_RODATA): Define.
16482 (text_section): Add switches -munint-const-in-rodata and
16483 -mno-uninit-const-in-rodata.
16484 (ASM_OUTPUT_COMMON): Remove.
16485 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
16486 const objects should be placed in read-only data. Otherwise declare
16489 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
16491 * jump.c (jump_optimize_1): Revert last change.
16493 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
16495 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
16496 test if optimizing for size.
16498 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16500 * Makefile.in (toplev.o): Depend on except.h.
16501 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
16503 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16505 * i386.md (divmodsi4): Rewrite to expander.
16506 (*divmodsi4_nocltd): New.
16507 (*divmodsi4_cltd): New.
16508 (divmodsi4 splitter): Handle the case when input comes in edx.
16509 (udivmodhi4): Do not use constraints in exander.
16510 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
16512 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
16514 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
16515 for the common case.
16517 1999-11-16 Jakub Jelinek <jakub@redhat.com>
16519 * explow.c (hard_function_value): Add outgoing argument.
16520 * expr.h (hard_function_value): Declare it.
16521 * calls.c (expand_call, emit_library_call_value): Update callers.
16522 * function.c (aggregate_value_p): Ditto.
16523 (diddle_return_value): Must look at the outgoing registers
16524 on archs with register windows.
16526 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
16528 * alpha.c (alpha_build_va_list): Use make_lang_type and
16529 initialize TYPE_NAME for the va_list record.
16531 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
16533 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
16535 * ggc.h (struct ggc_statistics): Rearrange elements for better
16536 packing on 64-bit hosts.
16537 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
16538 (compute_nearerout): Likewise.
16540 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
16542 * config/rs6000/rs6000.c (first_reg_to_save): Save
16543 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
16545 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
16547 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
16548 notion of nesting to find the DIE for a type or function.
16549 DIEs can go in limbo even if we got a context_die.
16550 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
16551 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
16553 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
16554 (gen_type_die): Writing out the context doesn't cause member class
16555 template instantiations to be written out as well.
16557 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
16559 * rs6000.h (ASM_OUTPUT_DEF): New.
16560 Based on proposed addition from David Edelsohn.
16562 1999-11-15 Robert Lipe <RobertLipe@usa.net>
16563 Bruce Korb <autogen@linuxbox.com>
16565 * fixinc/inclhack.def
16566 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
16567 (unixware7_byteorder_fix): added. Removes conflicts for new defs
16569 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
16570 (svr4_endian): enabled with SVR5
16571 (svr4_mkdev): simplified syntax and enabled with SVR5
16573 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
16575 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
16576 * configure: Rebuilt.
16577 * config/t-freebsd-thread: New file.
16579 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
16581 * i386.c (ix86_decompose_address): Verify the base is a REG
16582 before trying to examine its register number.
16584 * basic-block.h: Remove all #defines and prototypes related to
16586 (free_bb_mem, compute_preds_succs): Remove prototype.
16587 * rtl.h (free_bb_mem): Remove prototype.
16588 * flow.c (alloc_int_list_node); Remove function.
16589 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
16590 (compute_preds_succs, free_bb_mem): Likewise.
16591 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
16592 * toplev.c (rest_of_compilation): Likewise.
16593 * haifa-sched.c (build_control_flow): Use flow generated edge
16594 list to build the haifa specific edge list.
16595 (find_rgns): Use new CFG data structures instead of pred/succ lists.
16596 (schedule_insns): Do not build pred/succ lists anymore. Instead
16597 build the edge table.
16599 * basic-block.h (dump_bb_data): Remove declaration.
16600 * flow.c (dump_bb_data): Remove function.
16601 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
16602 (sbitmap_union_of_predsucc): Likewise.
16604 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
16605 argument. All callers changed.
16606 (delete_null_pointer_checks_1): No longer need to compute the
16609 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
16610 All callers changed.
16611 (pre_expr_reaches_here_p_work): Likewise.
16612 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
16613 * lcm.c (compute_laterin): Fix initialization of LATER.
16614 (compute_nearerout): Similarly for NEARER.
16616 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16618 * cse.c (set_nonvarying_address_components): Delete unused function.
16619 (refers_to_p): Likewise.
16621 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
16623 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
16626 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16628 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
16629 definition in do while (0).
16631 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
16633 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
16635 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
16637 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
16639 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16641 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
16642 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
16643 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
16644 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
16646 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
16647 saved on the stack. Output more accurate stack frame statistics
16648 into assembler file.
16650 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
16652 * genextract.c (record_insn_name): New function.
16653 (get_insn_name): No longer a stub.
16654 (main): Call record_insn_name for each insn. After each label
16655 written, print the insn name in a comment.
16657 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16659 * output.h (const_section, init_section, fini_section): Add
16662 * alpha/elf.h (const_section): Delete declaration.
16664 * svr4.h (const_section): Likewise.
16666 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
16668 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
16669 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
16670 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
16672 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
16673 variable-sized array bounds.
16675 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
16677 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
16680 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16682 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
16683 addresses the same way GO_IF_LEGITIMATE_INDEX does.
16685 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16687 * cse.c (hash_arg_in_struct): Delete.
16688 (struct table_elt): Delete elt in_struct.
16689 (struct set): Delete elt src_in_struct.
16690 (merge_equiv_classes): Don't set either hash_arg_in_struct or
16691 the corresponding in_struct elts.
16692 (canon_hash): Likewise.
16693 (safe_hash): Likewise.
16694 (find_best_addr): Likewise.
16695 (record_jump_cond): Likewise.
16696 (cse_insn): Likewise.
16698 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
16700 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
16702 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
16705 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
16707 * function.c (diddle_return_value): Put back check that the DECL_RTL
16708 for the function is a register.
16710 * function.c (diddle_return_value): Use hard_function_value to
16711 get an rtx suitable for use in the USE/CLOBBER insn.
16713 * global.c (global_conflicts): Update comments.
16714 (record_conflicts): No need to record conflicts between pseudos here.
16716 1999-11-11 Bruce Korb <autogen@linuxbox.com>
16718 * fixinc/fixincl.c: Added verbose levels for status messages
16720 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16722 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
16723 operand as argument to expand_and or expand_binop.
16725 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
16727 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
16728 gcc_add_string_root.
16730 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
16732 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
16734 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
16736 * flow.c (compute_flow_dominators): Initially put all blocks on
16738 * lcm.c (compute_antinout_edge, compute_available): Similarly.
16739 * gcse.c (compute_cprop_avinout): Remove.
16740 (compute_cprop_data): Use compute_available.
16741 (delete_null_pointer_checks_1): Use compute_available.
16743 * basic-block.h (compute_available): Returns a void now.
16744 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
16745 to return a value anymore.
16746 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
16747 worklists. Fix boundary cases. Compute maximal solutions.
16748 (compute_laterin, compute_nearerout): Similarly.
16750 * dwarf2out.c (add_AT_location_description): Allow
16751 (mem (plus (pseudo) (...)) too.
16753 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
16755 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
16757 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
16758 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16760 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
16762 * gansidecl.h: Likewise.
16768 * toplev.h: Likewise.
16770 * tree.c: Likewise.
16772 * tree.h: Likewise.
16774 * varray.c: Likewise.
16776 * varray.h: Likewise.
16778 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
16780 * gcov.c (struct arcdata): Add hits and total, remove prob.
16781 (output_branch_counts): New.
16782 (process_args): Set output_branch_counts if -c.
16783 (calculate_branch_probs): Store hits and total instead of
16785 (output_data): Emit counts if output_branch_counts is true.
16786 * gcov.texi (Invoking Gcov): Document -c switch..
16788 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
16790 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
16791 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
16793 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
16795 * invoke.texi (C Dialect Options): Add missing builtins from
16796 c-common.c to list.
16797 * extend.texi (Other Builtins): Copy to this list.
16799 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16801 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
16802 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
16803 redundant bitmap.h.
16805 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
16807 * flow.c (compute_flow_dominators): No longer treat basic block 0
16808 or (n_basic_blocks - 1) specially. Clear the AUX field before
16809 starting computation of doms/pdoms. Fix initial state for pdoms.
16811 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16813 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
16814 match rtl.o's: added ggc.h and toplev.h
16815 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
16816 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
16817 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
16819 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
16821 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
16822 from HAVE_DOS_BASED_FILESYSTEM.
16823 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
16824 HAVE_DOS_BASED_FILESYSTEM.
16826 (split_directories): Only special-case DOS file names if
16827 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
16828 instead of explicit tests. Conditionalize on !VMS.
16829 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
16830 tests. Conditionalize on !VMS.
16831 (process_command): Only use make_relative_prefix if !VMS.
16832 (free_split_directories): Conditionalize on !VMS.
16833 (DIR_UP): Conditionalize on !VMS.
16835 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
16837 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
16839 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
16841 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
16844 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
16846 * invoke.texi (Environment Variables): Document relative path
16848 * gcc.c (DIR_UP): If not defined, define as "..".
16849 (standard_bindir_prefix): New static, holds target location to
16851 (split_directories): New function to split a filename into
16852 component directories.
16853 (free_split_directories): New function, release memory allocated
16854 by split_directories.
16855 (make_relative_prefix): New function, make a relative pathname if
16856 the compiler is not in the expected location.
16857 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
16858 can figure out an appropriate prefix from argv[0].
16859 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
16860 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
16861 STANDARD_BINDIR_PREFIX.
16863 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16865 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
16867 * config/c4x/c4x.h: Moved prototypes to c4x.h.
16868 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
16869 c4x_secondary_memory_needed) Delete.
16870 (fp_zero_operand): Add mode argument.
16872 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
16874 * reload1.c (reload_reg_free_for_value_p): Don't use a register
16875 that is in reload_reg_used.
16877 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
16879 * config/arm/arm-protos.h: New file: Prototypes for functions
16880 defined in arm.c and pe.c.
16881 * config/arm/arm.h: Fix compile time warnings.
16882 * config/arm/arm.c: Fix compile time warnings.
16883 * config/arm/pe.h: Fix compile time warnings.
16884 * config/arm/aout.h: Fix compile time warnings.
16886 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
16888 * config/m32r/m32r-protos.h: New file: Prototypes for functions
16891 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
16892 Add support for subtargets.
16893 Add prototypes for new predicates.
16894 Add scheduling macros.
16896 * config/m32r/m32r.c: Fix compile time warnings.
16897 (int8_operand): New predicate function.
16898 (reg_or_cmp_int16_operand): New predicate function.
16899 (extend_operand): New predicate function.
16900 (m32r_adjust_code): New scheduling function.
16901 (m32r_adjust_priorty): New scheduling function.
16902 (m32r_sched_init): New scheduling function.
16903 (m32r_sched_reorder): New scheduling function.
16904 (m32r_sched_variable_issue): New scheduling function.
16905 (direct_return): New codegen function.
16906 (m32r_not_same_reg): New rtl testsing function.
16908 * config/m32r/m32r.md: Fix compile time warnings.
16909 Add support for pre decrement and post increment memory
16911 Add S<cc> patterns.
16914 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16916 * global.c (EXECUTE_IF_CONFLICT): Don't define.
16917 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
16918 (find_reg): Likewise.
16920 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
16922 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
16923 to avoid assembler errors.
16925 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
16927 * config/v850/v850-protos.h: New file: Prototypes for functions
16929 * config/v850/v850.h: Move prototypes to v850-protos.h
16930 * config/v850/v850.c: Move prototypes to v850-protos.h
16931 * config/v850/v850.md: Fix compile time warnings.
16933 * config/fr30/fr30-protos.h: New file: Prototypes for functions
16935 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
16936 * config/fr30/fr30.c: Fix compile time warnings.
16937 * config/fr30/fr30.md: Fix compile time warnings.
16939 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
16941 * tree.h (get_containing_scope): Declare it.
16942 * tree.c (get_containing_scope): New fucntion.
16943 (decl_function_context): Use it.
16944 * toplev.c (rest_of_compilation): Use get_containing_scope.
16946 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16948 * Makefile.in (rtl.o): Depend on toplev.h.
16950 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
16952 * cse.c (delete_trivially_dead_insns): Replace alloca with
16954 * except.c (update_rethrow_references): Likewise.
16955 (init_eh_nesting_info): Likewise.
16956 * function.c (identify_blocks): Likewise.
16957 * gcse.c (dump_hash_table): Likewise.
16958 * graph.c (print_rtl_graph_with_bb): Likewise.
16959 * loop.c (combine_movables): Likewise.
16960 (move_movables): Likewise.
16961 (count_loop_regs_set): Likewise.
16962 (strength_reduce): Likewise.
16963 * profile.c (compute_branch_probabilities): New function, split
16965 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
16966 * regclass.c (regclass): Likewise.
16967 * regmove.c (regmove_optimize): Likewise.
16968 * toplev.c (compile_file): Likewise.
16969 (main): Don't mess with the stack rlimit.
16971 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
16973 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
16974 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
16976 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
16978 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
16980 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
16982 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
16983 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
16986 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
16988 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
16990 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
16992 * gcse.c (post_dominators): Kill.
16993 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
16994 (compute_code_hoist_data): Use compute_flow_dominators. Do not
16995 pass in a pdom array since we do not need pdoms.
16996 * haifa-sched.c (schedule_insns): Similarly.
16997 * flow.c (compute_dominators): Remove dead function.
16998 (compute_flow_dominators): Do not compute doms or pdoms if the
16999 caller does not request them. Split up loop to build doms and
17000 pdoms. Use a worklist to compute doms and pdoms.
17001 * basic-block.h (compute_dominators): Remove prototype.
17003 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
17005 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
17006 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
17007 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
17008 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
17009 (cant_move, fed_by_spec_load, is_load_insn): Remove.
17010 (schedule_region): Remove unused variable.
17011 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
17013 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
17015 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
17016 (update_equiv_regs): Likewise.
17017 (block_alloc): Likewise.
17018 * reg-stack.c (reg_to_stack): Likewise.
17019 (convert_regs_2): Likewise.
17020 * reload1.c (reload_as_needed): Likewise.
17022 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
17024 * Makefile.in (dbxout.o): Depend on ggc.h.
17025 (dwarf2out.o): Likewise.
17026 (xcoffout.o): Likewise.
17027 * dbxout.c: Include ggc.h.
17028 (dbxout_init): Register lastfile as a root.
17029 * dwarf2out.c: Include ggc.h.
17030 (dwarf2out_line): Register lastfile as a root.
17031 * xcoffout.c: Include ggc.h.
17032 (xcoffout_source_line): Register xcoff_lastfile as a root.
17034 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
17036 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
17038 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
17040 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
17042 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
17044 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17046 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
17047 (EXECUTE_IF_CONFLICT): Likewise.
17048 (ALLOCNO_LIVE_P): Avoid signed division.
17049 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
17050 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
17051 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
17053 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
17055 * haifa-sched.c (schedule_block): Don't crash if there's no
17056 next insn for an interblock movement.
17057 (add_branch_dependences): Don't allow clobber insns to move either.
17059 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
17061 * i386.c (split_xf): New.
17062 * i386-protos.h: Declare it.
17063 * i386.md (movxf_1): Add general regs alternatives.
17064 (movxf_1+1): New splitter for same.
17066 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
17068 * function.c (purge_addressof_1): Add missing return values.
17070 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
17072 * function.c (is_addressof): New function. Returns true if
17073 the given piece of RTL is an ADDRESSOF.
17074 (purge_addressof_1): Make boolean. Return false if the
17075 ADDRESSOFs could not be purged.
17076 (purge_addressof): If ADDRESSOFs could not be purged from the
17077 notes attached to an insn, remove the offending note(s),
17078 unless they are attached to a libcall.
17080 1999-11-05 Andreas Jaeger <aj@suse.de>
17082 * genoutput.c (null_operand =): Initialize all fields.
17084 * errors.h: Add extern to prototypes.
17086 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
17088 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
17089 * configure: Rebuilt.
17091 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17093 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
17094 (mirror_conflicts): New function.
17095 (global_alloc): Call it.
17096 (expand_preferences): Remove redundant CONFLICTP test.
17097 (find_reg, dump_conflicts): Likewise.
17098 (prune_preferences): Process conflicts one word at a time.
17100 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
17102 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
17103 instead of an explicit loop.
17105 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
17107 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
17108 if REG_RETVAL check succeeds, then put classp in src_elt.
17110 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
17112 * function.c (pad_to_arg_alignment): Only update argument_pad
17113 if the argument's alignment is greater than STACK_BOUNDARY.
17115 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
17117 * bitmap.h (BITMAP_XFREE): New.
17118 * flow.c (life_analysis): Use it.
17119 (life_analysis_1): Free blocks.
17121 * combine.c (undo_commit): New.
17122 (try_combine): Use it. Don't zap undobuf.undos.
17123 (combine_instructions): Don't zap undobuf.undos; free the
17124 undobuf.frees list.
17126 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
17128 * stmt.c (cost_table_): New.
17129 (estimate_case_costs): Use it instead of xmalloc.
17131 * toplev.c (compile_file): Reuse dumpname memory instead
17134 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
17136 * reg-stack.c (convert_regs_1): Initialize target_stack->top
17137 after verifying an EH edge.
17139 * haifa-sched.c (init_rgn_data_dependences): Correctly
17140 size bb_pending_lists_length when zeroing.
17142 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
17144 * function.c (diddle_return_value): New.
17145 (expand_function_end): Use it.
17146 * stmt.c (expand_null_return): Likewise.
17147 (expand_value_return): Likewise.
17149 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
17151 * reload1.c (reload): Don't remove return value clobbers.
17153 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
17155 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
17157 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
17159 * cse.c (cse_main): Use xmalloc, not alloca.
17160 (cse_basic_block): Likewise.
17161 * local-alloc.c (local_alloc): Likewise.
17163 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
17164 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17166 * rtl.c: Include toplev.h.
17167 (fatal): Remove declaration.
17169 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
17171 * haifa-sched.c (schedule_block): Fix thinko.
17173 1999-11-03 James McKelvey <mckelvey@fafnir.com>
17175 * fixinc/fixincl.c(create_file): Allow for systems that do not have
17176 S_IR* defined values
17178 1999-11-03 Philippe De Muyter <phdm@macqel.be>
17180 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
17181 call `malloc' instead.
17183 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
17185 * flags.h (flag_renumber_insns): Declare.
17186 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
17188 * rtl.h (renumber_insns): Change prototype.
17189 * toplev.c (flag_renumber_insns): Define.
17190 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
17192 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
17194 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
17195 and fpsqrtd. Use them and create fdiv function unit to more
17196 accurately represent fpu sqrt pipeline semantics on UltraSparc.
17197 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
17199 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
17201 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
17203 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
17204 insn into ready list, do not use just a raw swap.
17206 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
17208 * rtl.h (renumber_insns): New function.
17209 (remove_unnecessary_notes): Likewise.
17210 * emit-rtl.c (renumber_insns): Define.
17211 (remove_unncessary_notes): Likewise.
17212 * toplev.c (rest_of_compilation): Remove dead code.
17213 Use renumber_insns and remove_unncessary_notes.
17215 * gcse.c (struct null_pointer_info): New type.
17216 (get_bitmap_width): New function.
17217 (current_block): Remove.
17218 (nonnull_local): Likewise.
17219 (nonnull_killed): Likewise.
17220 (invalidate_nonnull_info): Take a null_pointer_info as input.
17221 (delete_null_pointer_checks_1): New function.
17222 (delete_null_pointer_checks): Use it.
17224 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
17225 (split_edges): Likewise.
17226 (schedule_block): Likewise.
17227 (compute_block_backward_dependencies): Likewise.
17228 (schedule_region): Likewise.
17229 (schedule_insns): Likewise.
17231 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
17233 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
17234 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
17235 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
17236 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
17237 * jump.c (delete_unreferenced_labels): Don't delete if
17238 LABEL_ALTERNATE_NAME is set.
17239 * print-rtl.c (print_rtx): Dump alternate name.
17240 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
17241 * rtl.h (LABEL_ALTERNATE_NAME): Define.
17242 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
17243 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
17245 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17247 * fix-header.c (recognized_extern, recognized_function): Constify
17250 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
17251 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17252 (compute_available): Remove unused variable `last'.
17253 (compute_nearerout): Remove unused variable `temp_bitmap'.
17254 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17255 Remove unused variable `x'.
17257 * scan.h (recognized_function, recognized_extern): Constify a
17260 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
17262 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17264 * varasm.c (decode_rtx_const): Use XSTR to access the string
17267 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
17269 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
17271 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17273 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
17275 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
17277 * pa.c (ireg_operand): New function.
17278 * pa.h (PREDICATE_CODES): Handle ireg_operand.
17279 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
17280 Fix out of date comment.
17282 * pa.md (negdi2): Turn into expander + anonymous pattern.
17284 * reload.c (find_reloads): Fix typos in recent change.
17286 * dwarf2out.c: Do not include ctype.h.
17288 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17290 * regclass.c (record_reg_classes): Always use may_move_cost when
17291 seeing how operand fits with various register classes.
17293 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
17295 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
17296 * toplev.c: Revert Nov 1 13:22 change.
17298 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
17300 * config/pa/pa.md (height reduction patterns): Add checks for
17301 overlapping operands to avoid semantic-destroying splits for
17302 height reduction patterns.
17304 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17306 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
17307 have been an hyphen, fixed.
17308 * configure: Rebuilt.
17310 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
17312 * config/arm/tpe.h: Add prototypes for exported functions.
17313 * config/arm/pe.c: Fix compile time warnings.
17314 * config/arm/semi.h: Fix compile time warnings.
17315 * config/arm/arm.c: Fix compile time warnings.
17316 * config/arm/arm.h: Fix compile time warnings.
17317 * config/arm/arm.md: Fix compile time warnings.
17318 * config/arm/thumb.c: Fix compile time warnings.
17319 * config/arm/thumb.h: Fix compile time warnings.
17320 * config/arm/thumb.md: Fix compile time warnings.
17322 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
17324 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
17327 * unroll.c (unroll_loop): Remove LOOP notes when loop is
17328 completely unrolled.
17330 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17332 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
17334 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
17336 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
17337 * rtl.h (rtx_equal_p): Move prototype.
17338 * rtl.c (rtx_equal_function_value_matters): Move from
17340 (rtx_equal_p): Likewise.
17341 * rtlanal.c (rtx_equal_function_value_matters): Delete.
17342 (rtx_equal_p): Likewise.
17344 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17346 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
17347 ! HAS_INIT_SECTION.
17349 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
17351 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
17353 * pa.h (ADDR_VEC_ALIGN): Define.
17355 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
17356 notes when presented with "if (foo) break; end_of_loop" and
17357 the break sequence gets moved out of the loop.
17359 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
17360 Remove explicit zero initializations of entries within MAP.
17362 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
17364 * reg-stack.c (convert_regs_1): Handle EH edges specially.
17366 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
17368 * bitmap.h (BITMAP_XMALLOC): New macro.
17369 * flow.c (CLEAN_ALLOCA): Remove.
17370 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
17371 (life_analysis): Likewise.
17372 (update_life_info): Don't use CLEAN_ALLOCA.
17373 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
17374 (calculate_global_regs_live): Likewise.
17375 (print_rtl_with_bb): Likewise.
17376 (verify_flow_info): Likewise.
17377 * global.c (global_alloc): Likewise.
17378 (global_conflicts): Likewise.
17379 * integrate.c (save_for_inline_nocopy): Likewise.
17380 (expand_inline_function): Likewise.
17381 * jump.c (jump_optimize_1): Likewise.
17382 (duplicate_loop_exit_test): Likewise.
17383 (thread_jumps): Likewise.
17384 * loop.c (loop_optimize): Likewise.
17385 (combine_givs): Likewise.
17386 (recombine_givs): Likewise.
17387 * reorg.c (dbr_schedule): Likewise.
17388 * unroll.c (unroll_loop): Likewise.
17390 * combine.c (combine_instructions): Use xmalloc instead of alloca.
17392 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
17394 * toplev.c (rest_of_compilation): Don't optimize the CFG
17395 when rebuilding, just before dbr.
17397 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17399 * output.h (assemble_end_function, assemble_destructor,
17400 assemble_constructor, assemble_gc_entry, assemble_global,
17401 assemble_label, output_constant_pool) Constify a char*.
17403 * varasm.c (assemble_destructor, assemble_constructor,
17404 assemble_gc_entry, assemble_end_function, assemble_global,
17405 assemble_label, output_constant_pool): Likewise.
17407 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
17409 * config/arm/thumb.c (thumb_expand_prologue): Add comments
17410 explaining what is goin on in this function.
17412 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17414 * regclass.c (record_reg_classes): In matching case, recompute
17415 costs since the direction of movement is different.
17417 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17419 * resource.c (mark_target_live_regs): For unconditional branches,
17420 the resources found at the branch target should be added to the
17421 resources found so far, not intersected.
17423 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
17425 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
17427 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
17428 (sys/mman.h): Include this file only if #HAVE_MMAP.
17429 (run_compiles): Initialize `esac_fmt' with one old KR string, not
17430 with automatically concatenated ANSI strings.
17432 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
17434 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
17435 (DIV_ROUND_UP): Robustify.
17436 (ggc_recalculate_in_use_p): New function.
17437 (release_pages): Don't inline it.
17438 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
17440 (ggc_pop_context): Use ggc_recalculate_in_use_p.
17441 (clear_marks): Always save in_use_p.
17442 (sweep_pages): Use ggc_recalculate_in_use_p.
17443 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
17444 Release pages before counting statistics.
17446 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
17448 * toplev.c (rest_of_compilation): Fix thinko in this change:
17450 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17452 (rest_of_compilation): If inside an inlined external function,
17453 pretend we are just being declared.
17455 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
17457 * flow.c (calculate_global_regs_live): Fix thinko.
17459 * integrate.c (expand_inline_function): Fix bugs in previous
17460 change from Oct 28, 1999.
17462 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
17464 * stmt.c (expand_value_return): Fix typo in this change:
17466 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17467 (expand_value_return): Correctly convert VAL when promoting function
17468 return; support RETURN_REG being a PARALLEL.
17470 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
17472 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
17474 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17476 * hard-reg-set.h (reg_names): Constify a char*.
17478 * regclass.c (reg_names): Likewise.
17480 * regs.h (reg_names): Likewise
17482 * a29k/a29k.c (reg_names): Delete declaration.
17484 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
17486 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
17487 arc_output_function_epilogue): Likewise.
17489 * elxsi/elxsi.c (reg_names): Likewise.
17491 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
17493 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
17496 * m88k/m88k.c (output_function_profiler): Likewise.
17498 * sparc/sparc.c (sparc_flat_output_function_prologue,
17499 sparc_flat_output_function_epilogue): Likewise.
17501 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
17503 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
17504 warning from -Wuninitialized and put it under -W.
17505 * function.c (uninitialized_vars_warning): Warn only when the
17506 corresponding flag is set.
17508 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
17510 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
17511 is nonzero and the single set does not have an elt, then assign
17514 * simplify-rtx.c: New file.
17515 * Makefile.in (OBJS): Add simplify-rtx.o
17516 (simplify-rtx.o): Add dependencies.
17517 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
17518 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
17519 (cse_gen_binary, simplify_unary_operation): Delete.
17520 (simplify_binary_operation, simplify_plus_minus): Likewise.
17521 (check_fold_consts, simplify_relation_operation): Likewise.
17522 (simplify_ternary_operation): Likewise.
17523 (delete_trivially_dead_insns): Simplify the contents of the
17524 REG_EQUAL note before trying to substitute it into the source
17525 of the reg-reg copy at the end of a libcall sequence.
17527 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
17528 references/callers changed.
17530 * mn10200.c (mn10200_va_arg): Force the return value into a
17533 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
17535 * cccp.c (macroexpand): Avoid out of range accesses for omitted
17538 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
17540 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
17542 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
17544 * fold-const.c (fold): Fix thinko when optimizing comparisons
17547 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
17549 * gcc.texi (Passes): Update front-end files to their current
17552 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
17554 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
17555 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
17556 (PREDICATE_CODES): Add addition_operation.
17557 * alpha-protos.h (addition_operation): Declare.
17558 (secondary_reload_class): Likewise.
17559 * alpha.c (addition_operation): New.
17560 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
17561 * alpha.md (adddi3): Turn into expander.
17562 (*lda, *adddi_2): New.
17563 (movsf, movdf patterns): Don't preference integer regs.
17564 (movsi, movdi patterns): Don't preference fp regs.
17566 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
17568 * genrecog.c (write_switch): Check for duplicate CODE cases.
17570 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
17572 * ggc-common.c: Update pre-function commentary.
17573 * ggc-page.c: Likewise.
17575 (poison_pages): Use memset directly.
17576 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
17577 (ggc_collect): Poison before sweeping.
17578 * ggc-simple.c: Update pre-function commentary.
17579 (ggc_alloc_obj): Poison non-zeroed memory.
17581 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
17583 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
17584 match format string, even on 64-bit hosts.
17585 * gcc-page.c (ggc_page_print_statistics): Likewise.
17587 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
17589 * config/i386/i386.c (ix86_cpu): Revert last patch.
17590 * config/i386/i386.h (ix86_cpu): Ditto.
17592 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
17594 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
17595 TYPE_SIZE, convert type of result to sizetype.
17597 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
17599 * flow.c (count_or_remove_death_notes): Equate NULL with the
17602 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
17603 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
17606 * i386.c (pic_label_no): Delete.
17607 (ix86_attr_length_default): Don't use single_set to peek
17610 * recog.c (peephole2_optimize): Allow recog_next_insn to index
17611 the first insn after bb->end.
17612 * i386.md (push mem peeps): Scratch is live after evaluation
17614 (cmp mem peep): Similarly.
17616 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
17618 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
17619 * function.c (pad_to_arg_alignment): Add missing braces.
17621 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17623 * alpha/alpha-protos.h (literal_section): Add prototype.
17624 (alpha_need_linkage, alpha_start_function,alpha_end_function):
17627 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
17629 (alpha_start_function, alpha_end_function, float_strings,
17630 alpha_need_linkage): Constify a char*
17632 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
17634 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
17636 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
17638 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
17640 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17642 * flow.c (debug_flow_info): Add prototype.
17644 * gcc.c (main): Likewise.
17646 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
17649 * reload1.c (failed_reload, set_reload_reg): Likewise.
17651 * mips-tfile.c (main): Likewise.
17652 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
17653 with ATTRIBUTE_NORETURN.
17655 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
17657 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
17658 DECL is not a memory ref.
17660 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
17662 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
17663 * config/i386/i386.c (ix86_cpu): Add extern attribute.
17665 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
17667 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
17668 * config/mips/elf64.h: ditto.
17670 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
17672 * expr.c (emit_push_insn): New argument alignment_pad.
17673 Update all callers. Adjust stack pointer based on alignment pad.
17674 * function.c (pad_to_arg_alignment): New argument alignment_pad.
17675 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
17676 (locate_and_pad_parm): New argument alignment_pad. Update all
17678 * expr.h (emit_push_insn): Update prototype.
17679 (locate_and_pad_parm): Update prototype.
17680 * calls.c (arg_data): Add new field alignment_pad.
17681 (initialize_argument_information): Initialize alignment_pad.
17683 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
17685 * except.c (free_eh_nesting_info): Free the info itself.
17686 * function.c (free_after_compilation): Don't free NULL.
17687 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
17688 (pre_edge_insert): Free inserted.
17689 * stmt.c (free_stmt_status): Don't free NULL.
17691 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17693 * gcov.c (DIR_SEPARATOR): Provide default.
17694 (output_data): Add test for MS-DOS format absolute filename.
17695 (fancy_abort): Correct program name.
17696 (open_files): Open all files in binary mode.
17697 * libgcc2.c (__bb_exit_func): Likewise.
17699 * profile.c (init_branch_prob): Specify binary when opening files.
17701 * flags.h (flag_unwind_tables): New decl.
17702 * toplev.c (flag_unwind_table): New definition.
17703 (f_options): Add -funwind-tables.
17704 (decode_g_option): Clarify warning when unknown -g option is given.
17705 (rest_of_compilation): If inside an inlined external function,
17706 pretend we are just being declared.
17708 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
17709 (dwarf2out_frame_finish): Likewise.
17711 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
17713 * fold-const.c (merge_ranges): If not in0, but in1, handle
17714 upper bounds equal like subset case.
17716 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
17718 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
17719 passed in a register but moved to the stack.
17721 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
17723 * gcc.c (pass_exit_codes, greatest_status): New variables.
17724 (struct option_map): Add entry for "--pass-exit-codes".
17725 (execute): Update greatest_status if error.
17726 (display_help): Add documentation for -pass-exit-codes.
17727 (process_command): Handle -pass-exit-codes.
17728 (main): Look at pass_exit_codes and greatest_status on call to exit.
17730 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17732 * reload.c (find_reloads): Refine test for no input reload
17733 case to not includes reloads emitted after insn.
17735 * function.c (find_temp_slots_from_address): Handle sum involving
17736 a register that points to a temp slot.
17737 (update_temp_slot_address): Make recursive call if both old and
17738 new are PLUS with a common operand.
17739 * calls.c (expand_call): Mark temp slot for result as having
17742 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
17744 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
17745 component as well as "BINUTILS".
17747 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
17748 * integrate.c (copy_rtx_and_substitute): Likewise.
17749 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
17750 All callers changed.
17751 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
17753 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
17754 gdb extensions, write size of type; also be more consistent
17755 in using references when this is a subtype.
17757 * pa.md (extv, extzv, insv): Use define_expand to reject constant
17758 that is out of range.
17760 * loop.c (unknown_constant_address_altered): New variable.
17761 (prescan_loop): Initialize it.
17762 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
17763 (invariant_p, case MEM): Remove handling for volatile and readonly;
17764 check new variable if readonly.
17765 (check_dbra_loop): Chdeck unknown_constant_address_altered.
17767 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
17768 (addr_affects_sp_p): Removed from note_mem_written and only
17769 define #ifdef AUTO_INC_DEC.
17771 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
17773 * regclass.c (record_reg_classes): Properly handle register move
17776 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
17777 Don't think valid if both operands are invalid.
17778 (struct constant_descriptor): New field RTL.
17779 (mark_const_hash_entry): Mark it.
17780 (record_constant{,_rtx}): Initialize it.
17781 (output_constant_def): Allocate RTL in permanent obstack and
17783 ({record,compare}_constant_1): Modes must match for
17784 CONSTRUCTOR of ARRAY_TYPE.
17786 * c-common.h (initializer_constant_valid_p): Delete decl from here.
17787 * output.h (initializer_constant_valid_p): Move decl to here.
17788 * c-common.c (initializer_constant_valid_p): Delete function from here.
17789 * varasm.c (initializer_constant_valid_p): Move function to here.
17791 * tree.h (STRIP_SIGN_NOPS): New macro.
17792 * fold-const.c (optimize_minmax_comparison): New function.
17793 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
17794 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
17795 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
17796 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
17797 widening conversions.
17798 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
17799 to look at size of mode, not precision of type; also add missing cases.
17800 (optimize_bit_field_compare, decode_field_reference): Don't try to
17801 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
17803 * dwarf2out.c (ctype.h): Include.
17804 (dwarf2out_set_demangle_name_func): New function.
17805 (size_of_line_info): Deleted.
17806 (output_line_info): Compute size of line info table from difference
17808 (base_type_die, add_name_attribute): Call demangle function, if any.
17809 (field_byte_offset): Use bits per word for variable length fields.
17810 (gen_array_type_die): Add array name.
17811 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
17812 (dwarf2out_add_library_unit_info): New function.
17814 * explow.c (set_stack_check_libfunc): New function.
17815 (stack_check_libfunc): New static variable.
17816 (probe_stack_range): Allow front-end to set up a libfunc to call.
17818 * combine.c (simplify_comparison): When making comparison in wider
17819 mode, check for having commuted an AND and a SUBREG.
17820 (contains_muldiv): New function.
17821 (try_combine): Call it when dividing a PARALLEL.
17822 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
17823 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
17825 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
17826 use one of the CLOBBERs instead.
17827 (if_then_else_cond): If comparing against zero, just return thing
17830 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
17831 Don't generate shifts and subtract if have conditional arithmetic.
17833 * rtl.h (delete_barrier): New declaration.
17834 * jump.c (jump_optimize): Set up to handle conditional call.
17835 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
17836 (delete_barrier): New function.
17838 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
17840 * recog.c (nonmemory_operand): Accept ADDRESSOF.
17842 * tree.c (build_type_attribute_variant): Push to obstack of
17843 ttype around type_hash_canon call.
17845 * expr.c (placeholder_list): Move decl to file scope.
17846 (expand_expr): Don't force access to volatile just because its
17848 If ignoring reference operations, just expand the operands.
17849 (expand_expr, case COMPONENT_REF): Propagate
17850 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
17851 Refine test for using bitfield operations vs pointer punning.
17852 (expand_expr, case CONVERT_EXPR): If converting to
17853 BLKmode UNION_TYPE from BLKmode, just return inner object.
17854 Use proper mode in store_field call.
17855 Properly set sizes of object to store and total size in store_field
17856 call for convert to union.
17857 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
17858 memory (like for ADDR_EXPR). Also, don't put constant in register if
17859 we'll want it in memory.
17860 (readonly_fields_p): New function.
17861 (expand_expr, case INDIRECT_REF): Call it if LHS.
17862 (expand_assignment): Handle a RESULT_DECL where
17863 DECL_RTL is a PARALLEL.
17864 (do_jump, case WITH_RECORD_EXPR): New case.
17865 (get_inner_reference): Always go inside a CONVERT_EXPR
17866 and NOP_EXPR if both modes are the same.
17867 (store_field): Use bitfield operations if size of bitsize is not same
17868 as size of RHS's type.
17869 Check for bitpos not a multiple of alignment in BLKmode case.
17870 Do block move in largest possible alignment.
17871 (store_constructor): Set BITSIZE to -1 for variable size and properly
17872 in case of array of BLKmode.
17873 (expand_expr_unaligned): New function.
17874 (do_compare_and_jump): Call it.
17876 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
17877 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
17878 does not include 'o'.
17880 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
17881 both SET_DEST and SET_SRC reference a virtual register.
17882 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
17884 * integrate.c (expand_inline_function): Handle case of setting
17885 virtual stack vars register (from built in setjmp); when parameter
17886 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
17887 (subst_constant): Add new parm, MEMONLY.
17888 (expand_inline_function, integrate_parm_decls): Pass new parm.
17889 (integrate_decl_tree): Likewise.
17890 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
17891 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
17892 (copy_rtx_and_substitute, case SET): Add explicit calls to
17893 copy_rtx_and_substitute for both sides.
17895 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
17897 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
17898 within INDEX_TYPE, instead of before.
17899 (fixup_gotos): Use f->target_rtl, not the next insn,
17900 since latter may be from a later fixup.
17901 (expand_value_return): Correctly convert VAL when promoting function
17902 return; support RETURN_REG being a PARALLEL.
17903 (expand_return): When checking for result in regs and having
17904 cleanup, consider PARALLEL in DECL_RTL as being in regs.
17906 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
17908 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
17909 last_nominal_fname): Mark const.
17910 (struct include_hash: name, nshort, control_macro): Mark
17912 (struct macrodef: symnam): Mark const.
17913 (struct if_stack: fname): Mark const.
17914 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
17915 (IStable): New character-syntax array which encompasses all
17916 the old is_foo arrays.
17917 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
17918 is_space): New macros for interrogating IStable.
17919 (check_macro_name): Kill last argument. All callers changed.
17921 * cppinit.c (initialize_char_syntax): Delete.
17922 (is_idchar, is_idstart, is_hor_space, is_space,
17923 trigraph_table): Delete.
17924 (IStable): New. Initialize with clever macros to avoid
17925 information duplication.
17926 (builtin_array): Table of builtins to get rid of explicit list
17927 in initialize_builtins.
17928 (initialize_builtins): Use builtins_array.
17929 (cpp_start_read): Call init_IStable, and set IStable['$'] if
17930 opts->dollars_in_ident.
17932 * cppexp.c: Change all refs to is_xyz[] arrays to use new
17934 (cpp_parse_expr): Avoid 'format string is not constant'
17935 warning. Use ISGRAPH to identify printable chars.
17936 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
17938 (read_and_prescan): Map trigraphs to chars with open-coded
17939 if-else-if-... sequence, not a lookup table.
17940 * cpphash.c: Change all refs to is_xyz[] arrays to use new
17942 * cpplib.c: Change all refs to is_xyz[] arrays to use new
17943 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
17944 (check_macro_name): Remove ability to report an invalid
17945 assertion name, which is never used.
17946 (do_line): Constify a couple of char *'s.
17947 * cppmain.c (main): Call cpp_cleanup before returning.
17949 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
17951 * ggc.h (struct ggc_statistics): New type.
17952 (ggc_get_size): New function.
17953 (ggc_print_statistics): Likewise.
17954 * ggc-common.c (ggc_stats): New variable.
17955 (ggc_mark_rtx_children): Keep statistics.
17956 (ggc_mark_tree_children): Likewise.
17957 (ggc_print_statistics): New function.
17958 * ggc-page.c (struct globals): Add bytes_mapped field.
17959 (alloc_anon): Update it.
17960 (release_pages): Likewise.
17961 (ggc_get_size): New function.
17962 (ggc_page_print_statistics): New function.
17963 * ggc-simple.c (ggc_get_size): New function.
17965 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
17967 * flow.c (propagate_block): When the last reference to a label
17968 before an ADDR_VEC is deleted because the reference is a dead
17969 store, delete the ADDR_VEC.
17971 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
17973 * resource.c (find_free_register): Don't use the frame pointer
17974 if frame_pointer_needed.
17976 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
17978 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
17979 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
17981 * config/i960/i960.c (i960_va_start): New locals base, num.
17982 Use INDIRECT_REF instead of ARRAY_REF on valist.
17983 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
17985 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
17987 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
17989 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
17991 * tree.def (PLACEHOLDER_EXPR): Update comments.
17993 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17995 * c-common.c (check_format_info): Avoid non-literal format string
17996 warnings when `first_arg_num' is zero.
17998 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18000 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
18002 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
18004 * arm.md (casesi_insn): Add a clobber of the condition code
18007 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
18009 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
18010 used by both cc1 and cc1plus.
18012 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
18014 * config/arm/arm.c: Initialise arm_structure_size_boundary to
18015 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
18016 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
18017 to the value 32 if it has not already been defined.
18018 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
18019 Override definition in arm.h with a value of 8.
18021 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
18023 * c-pragma.c (push_alignment): Don't check the return value
18026 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
18028 * sparc.h (ADJUST_COST): Fix thinko.
18030 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
18032 * cccp.c (rescan): Fixed obp pointer handling around call to
18033 check_expand subroutine.
18035 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
18037 * gcse.c (delete_null_pointer_checks): Only record non-null info
18038 for pseudos when examining stores.
18040 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
18041 splitters for these patterns. Use "#" for output templates.
18042 (addsi3_carryin_shift): New pattern.
18044 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
18046 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
18047 of the function return register into a plain REG until
18048 after function inlining is done.
18050 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18052 * jump.c (jump_optimize_1): If we did cross-jumping, and
18053 the data will matter, rebuild the CFG.
18054 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
18055 not optimizing. Don't run shorten_branches.
18056 * toplev.c (rest_of_compilation): Run shorten_branches after
18059 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
18061 * rtl.h (note_stores): Add additional paramter.
18062 * rtlanal.c (reg_set_p_1): Take additional paramter.
18063 (reg_set_last_1): Likewise.
18064 (reg_set_p): Adjust call to note_stores.
18065 (reg_set_last): Likewise.
18066 (note_stores): Pass data parameter to worker function.
18067 * alias.c (record_set): Take additional parameter.
18068 (init_alias_analysis): Pass it.
18069 * caller-save.c (mark_set_regs): Take additional parameter.
18070 (save_call_clobbered_regs): Pass NULL to note_stores.
18071 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
18073 (record_dead_and_set_regs_1): Likewise.
18074 (reg_dead_at_p_1): Likewise.
18075 (combine_instructions): Adjust calls to note_stores.
18076 (try_combine): Likewise.
18077 (record_dead_insn): Remove.
18078 (record_dead_and_set_regs): Adjust calls to note_stores.
18079 (reg_dead_at_p): Likewise.
18080 * cse.c (invalidate_skipped_set): Take additional parameter.
18081 (cse_check_loop_start): Likewise.
18082 (cse_check_loop_start_value): Remove.
18083 (cse_set_around_loop): Adjust calls to note_stores.
18084 * flow.c (notice_stack_pointer_modification): Take additional
18085 parameter. Remove duplicate declaration.
18086 (record_volatile_insns): Adjust calls to note_stores.
18087 * gcse.c (record_set_info): Take additional parameter.
18088 (record_last_set_info): Likewise.
18089 (invalidate_nonnull_info): Likewise.
18090 (record_set_insn): Remove.
18091 (compute_sets): Adjust calls to note_stores.
18092 (last_set_insn): Remove.
18093 (compute_hash_table): Adjust calls to note_stores.
18094 (insert_insn_end_bb): Likewise.
18095 (delete_null_pointer_checks): Likewise.
18096 * global.c (mark_reg_store): Take additional parameter.
18097 (mark_reg_clobber): Likewise.
18098 (reg_becomes_live): Likewise.
18099 (global_conflicts): Adjust calls to note_stores.
18100 (build_insn_chain): Likewise.
18101 * integrate.c (note_modified_parmregs): Take additional parameter.
18102 (mark_stores): Likewise. Make it static.
18103 (save_for_inline_nocopy): Adjust calls to note_stores.
18104 (try_constants): Likewise.
18105 * integrate.h (mark_stores): Remove declaration.
18106 * jump.c (mark_modified_reg): Take additional parameter.
18107 (thread_jumps): Adjust calls to note_stores.
18108 * local-alloc.c (validate_equiv_mem_from_store): Take additional
18110 (no_equiv): Likewise.
18111 (reg_is_set): Likewise.
18112 (validate_equiv_mem): Adjust calls to note_stores.
18113 (update_equiv_regs): Likewise.
18114 (block_alloc): Likewise.
18115 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
18116 (note_addr_stored): Take additional parameter.
18117 (note_set_pseudo_multiple_uses): Likewise.
18118 (record_initial): Likewise.
18119 (prescan_loop): Adjust calls to note_stores.
18120 (strength_reduce): Likewise.
18121 (check_dbra_loop): Likewise.
18122 * regmove.c (flags_set_1): Take additional paramter.
18123 (mark_flags_life_zones): Adjust calls to note_stores.
18124 * reload1.c (mark_not_eliminable): Take additional parameter.
18125 (forget_old_reloads_1): Likewise.
18126 (reload_cse_invalidate_rtx): Likewise.
18127 (reload_cse_check_clobber): Likewise.
18128 (reload_combine_note_store): Likewise.
18129 (move2add_note_store): Likewise.
18130 (reload): Adjust calls to note_stores.
18131 (reload_as_needed): Likewise.
18132 (emit_reload_insns): Likewise.
18133 (reload_cse_regs_1): Likewise.
18134 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
18135 (reload_combine): Adjust calls to note_stores.
18136 * resource.c (update_live_status): Take additional paramter.
18137 (mark_target_live_regs): Adjust calls to note_stores.
18138 * stupid.c (find_clobbered_regs): Take additional parameter.
18139 (stupid_life_analysis): Adjust calls to note_stores.
18141 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
18143 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
18146 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
18149 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
18150 of the variable arm_structure_size_boundary.
18152 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18154 * alias.c (init_alias_analysis): Allocate reg_known_value and
18155 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
18157 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
18158 * cse.c (cse_main): Call end_alias_analysis.
18159 * haifa-sched.c (schedule_insns): Likewise.
18160 * local-alloc. (update_equiv_regs): Likewise.
18161 * reload1.c (reload_cse_regs): Likewise.
18163 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18165 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
18166 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
18167 mapping from MASK_FPU.
18169 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
18171 * sparc.md (call): Don't bound structure return size to 0xfff.
18173 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
18175 * resource.c (mark_target_live_regs): Check that the target
18176 insn wasn't created after compute_bb_for_insn.
18178 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
18180 * ggc-page.c (poison_pages): Don't be overzealous.
18182 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
18184 * alias.c: Update comments for ADDRESS.
18185 (nonlocal_reference_p): Look inside the ADDRESS to determine if
18186 it is a local memory reference.
18188 * c-typeck.c (build_function_call): Check that the built-in
18189 function is of class BUILT_IN_NORMAL before trying to recongize
18190 it as BUILT_IN_ABS.
18191 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
18192 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
18194 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
18196 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
18198 (pre_gcse): Likewise.
18199 (hoist_expr_reaches_here_p): Likewise.
18200 (hoist_code): Likewise.
18201 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
18203 (pre_expr_reaches_here_p_work): ... here.
18204 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
18206 (expr_reaches_here_p_work): ... here.
18208 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
18210 * resource.c (find_basic_block): Delete.
18211 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
18212 (init_resource_info): Call compute_bb_for_insn.
18214 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
18216 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
18217 with already adjacent blocks, but no fallthru.
18218 (merge_blocks_move_successor_nojumps): Simplify.
18219 (debug_flow_info): New.
18221 * toplev.c (rest_of_compilation): Open jump1 dump file before
18222 jump and close after, as opposed to just using dump_rtl.
18224 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18226 * reload.h (earlyclobber_operand_p): Declare.
18227 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
18228 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18229 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
18230 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
18232 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
18233 Richard Henderson <rth@cygnus.com>
18235 * emit-rtl.c (emit_block_insn_before): New.
18236 (emit_block_insn_after): New.
18237 * basic-block.h: Declare them.
18239 * bitmap.h: Protect from multiple inclusion.
18241 * recog.c (scratch_operand): Handle VOIDmode correctly.
18243 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
18245 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
18246 * function.c (assign_parms): Likewise.
18247 * global.c (global_conflicts): Clarify STACK_REGS commentary.
18249 * reg-stack.c (max_uid): Remove.
18250 (blocks, block_begin, block_end, block_drops_in): Remove.
18251 (block_stack_in, block_out_reg_set, block_number): Remove.
18252 (struct block_info_def, BLOCK_INFO): New.
18253 (enum emit_where): New.
18254 (current_block): New.
18255 (BLOCK_NUM): Remove.
18256 (mark_regs_pat, record_label_references): Remove.
18257 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
18259 (goto_block_pat, print_blocks, dump_stack_info): Remove.
18260 (reg_to_stack): Simplified test for existance of fp code. Use
18261 flow.c code. Call shorten_branches after cross-jump opt.
18262 (check_asm_stack_operands): Renamed from record_asm_reg_life.
18263 Return false if the asm doesn't use stack regs. Don't do life
18264 analysis on the asm.
18265 (emit_pop_insn): Replace function pointer arg `when' with
18266 enum `where'. Update all callers.
18267 (change_stack): Likewise. Update basic block end.
18268 (emit_swap_insn): Use current_block->head to limit reverse search
18269 for start of block. Use emit_block_insn_after.
18270 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
18271 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
18272 structure assignment instead of bcopy.
18273 (print_stack): New.
18274 (convert_regs_entry, convert_regs_exit): New.
18275 (convert_regs_1, convert_regs_2): Split out from convert_regs.
18276 Work on basic blocks and the CFG.
18277 (convert_regs): Use them.
18279 * i386.c (output_fix_trunc): Remove code for DImode input operand
18280 not at top-of-stack.
18281 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
18283 (fix_truncdi_1): Allow any mode scratch.
18285 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
18287 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
18288 * linux.h, netbsd.h, vms.h: Not here.
18290 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
18292 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
18293 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
18294 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
18295 CONDITIONAL_REGISTER_USEAGE): Use them.
18296 * config/mips/mips.c (mips_move_1word,mips_move_2words,
18297 gen_conditional_branch,override_options) : Use them.
18298 * config/mips/mips.md : Use them.
18300 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
18302 * i386.md (zero_extendqihi2): Use SImode register name with andl.
18304 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
18306 * integrate.c (function_cannot_inline_p): Don't allow inlining
18309 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18311 * c-parse.in (cast_expr): Constify.
18313 * cccp.c (special_symbol): Likewise.
18315 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
18317 * dwarf2out.c (base_type_die): Likewise.
18319 * global.c (allocno_compare): Likewise.
18321 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
18323 * regclass.c (fix_register): Likewise.
18325 * rtl.h (fix_register): Likewise.
18327 * stupid.c (stupid_reg_compare): Likewise.
18329 * toplev.c (decode_f_option): Likewise.
18331 * tree.c (build_complex_type): Likewise.
18333 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
18335 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
18337 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18339 * reload.c (find_reloads): Compute mode and nregs fields of all
18341 * reload1.c (calculate_needs_all_insns): Simplify a bit.
18342 (calculate_needs): Use precomputed mode/nregs values.
18343 (allocate_reload_reg): Likewise.
18345 (failed_reload, set_reload_reg): ... new functions.
18346 (choose_reload_regs_init): New function, mostly broken out from...
18347 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
18348 Also lose one #if 0 block.
18350 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
18352 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
18355 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
18357 * tree.h (BLOCK_TYPE_TAGS): Remove.
18358 (BLOCK_END_NOTE): Likewise.
18359 (BLOCK_LIVE_RANGE_FLAG): Likewise.
18360 (BLOCK_LIVE_RANGE_START): Likewise.
18361 (BLOCK_LIVE_RANGE_END): Likewise.
18362 (tree_block): Remove live_range_flag, live_range_var_flag, and
18363 type_tags. Remove end_note, live_range_start, and live_range_end.
18364 (remember_end_note): Remove prototype.
18365 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
18366 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
18368 * ggc-common.c (ggc_mark_tree_children): Don't mark
18369 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
18370 * integrate.c (adjust_copied_decl_tree): Remove.
18371 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
18372 * stmt.c (last_block_end_note): Remove.
18373 (init_stmt): Don't add a GC root for it.
18374 (expand_fixup): Don't set it.
18375 (remember_end_note): Remove.
18376 (expand_end_bindings): Don't set last_block_end_note.
18378 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18380 * reload1.c (reload_reg_free_for_value_p): Show
18381 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
18384 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
18386 * expmed.c (extract_bit_field): Allow for the case of non-integer
18387 objects that are smaller than a word (like SFmode on a 64-bit
18390 * loop.c (basic_induction_var): A non-integer variable which is
18391 being set by a paradoxical subreg is probably not a biv.
18393 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18395 * prefix.c (translate_name) Check for empty prefix string.
18397 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
18399 * Makefile.in (CPP_CROSS_NAME): New variable.
18400 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
18402 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
18403 names of the files to be uninstalled.
18405 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
18407 * collect2.c (IS_DIR_SEPARATOR): Define.
18408 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
18410 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
18413 * haifa-sched.c (add_dependence): Update the true dependency
18414 cache the first time we add a true dependence to the LOG_LINKS chain.
18416 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
18418 * fold-const.c (fold): Fix comment.
18420 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18422 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
18423 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
18424 dbxout_start_new_source_file, dbxout_source_file,
18425 dbxout_source_line, dbxout_finish, dbxout_type_fields,
18426 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
18428 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
18429 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
18430 (dbxout_block): Initialize variable `blocknum'.
18432 * dbxout.h (dbxout_init, dbxout_finish,
18433 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
18434 dbxout_args, dbxout_source_line): Constify a char*.
18436 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
18437 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
18438 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
18439 low_pc_attribute, high_pc_attribute, body_begin_attribute,
18440 body_end_attribute, comp_dir_attribute, sf_names_attribute,
18441 src_info_attribute, mac_info_attribute, producer_attribute,
18442 lookup_filename, generate_macinfo_entry, fundamental_type_code,
18443 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
18444 dwarfout_undef): Constify a char*.
18445 (add_incomplete_type, retry_incomplete_types): Add prototypes.
18447 * dwarfout.h (dwarfout_define, dwarfout_undef,
18448 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
18450 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
18452 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
18453 (MULTILIB_ISA_DEFAULT): New.
18454 (MULTILIB_DEFAULTS): Use it.
18455 * config/mips/mips.c (): Remove the now unnecessary definition
18456 of MIPS_ISA_DEFAULT.
18457 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
18458 unnecessary definition.
18460 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
18462 * arm.md (pic_load_addr): Add constraints to operand 1.
18464 1999-10-25 Bruce Korb <autogen@linuxbox.com>
18466 * fixinc/genfixes: Provide a means for specifying -D options to
18469 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
18471 * arm.c (arm_override_options): Correct initialization of
18472 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
18473 arm_is_strong, and arm_is_6_or_7.
18475 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
18476 (note_set_pseudo_multiple_uses): New function.
18477 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
18478 if a pseudo set in the loop exit is used elsewhere.
18480 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
18482 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
18484 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
18486 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
18487 a single load-address pattern.
18489 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
18491 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
18492 depending on whether or not line-number notes are present.
18494 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18496 * cccp.c (progname, file_buf, default_include, include_file,
18497 macrodef, definition, hashval, wchar_type, user_label_prefix,
18498 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
18499 expand_to_temp_buffer, is_system_include, base_name,
18500 absolute_filename, read_name_map, open_include_file,
18501 record_control_macro, check_precompiled, check_preconditions,
18502 pcfinclude, pass_thru_directive, create_definition,
18503 check_macro_name, comp_def_part, collect_expansion,
18504 check_assertion, read_token_list, assertion_install,
18505 assertion_lookup, eval_if_expression, conditional_skip,
18506 validate_else, skip_quoted_string, quote_string, macarg1,
18507 error_from_errno, install, lookup, hashf, dump_defn_1,
18508 perror_with_name, pfatal_with_name, main, trigraph_pcp,
18509 check_white_space, rescan, handle_directive, monthnames,
18510 special_symbol, do_include, remap_include_file, write_output,
18511 arglist, do_assert, do_unassert, do_line, do_error, do_once,
18512 do_ident, do_sccs, do_xifdef, skip_if_group,
18513 output_line_directive, macroexpand, macarg, change_newlines,
18514 initialize_builtins, make_definition): Constify a char*.
18516 * pcp.h (stringdef): Likewise.
18518 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
18520 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
18523 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
18524 Richard Henderson <rth@cygnus.com>
18526 * alias.c: Include ggc.h.
18527 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
18528 (record_set): Verify enough room in reg_base_value.
18529 (init_alias_analysis): Allocate reg_base_value with xcalloc.
18530 Register it as a GC root.
18531 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
18532 * Makefile.in (alias.o): Depend on ggc.h.
18534 * unroll.c (unroll_loop): Verify the insn before a barrier
18535 is a JUMP_INSN before checking JUMP_LABEL.
18537 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18539 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
18540 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
18541 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
18542 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
18543 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
18544 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
18546 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18548 * output.h (ctors_section, dtors_section, bss_section): Prototype.
18550 * alpha/alpha-interix.h (text_section): Delete prototype.
18551 * alpha/elf.h (text_section): Likewise.
18552 * arm/linux-elf.h (text_section): Likewise.
18553 * arm/linux-telf.h (text_section): Likewise.
18554 * c4x/c4x.h (text_section): Likewise.
18555 * dsp16xx/dsp16xx.h (bss_section): Likewise.
18556 * elfos.h (text_section): Likewise.
18557 * i386/aix386ng.h (text_section): Likewise.
18558 * i386/i386-interix.h (text_section): Likewise.
18559 * i386/sco5.h (text_section): Likewise.
18560 * i386/svr3gas.h (text_section): Likewise.
18561 * nextstep.h (text_section): Likewise.
18562 * psos.h (text_section): Likewise.
18563 * ptx4.h (text_section): Likewise.
18564 * svr3.h (text_section): Likewise.
18565 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
18567 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18569 * final.c (peephole): Delete prototype.
18571 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
18572 (pre_insert_copies): Remove unused variable `bb'.
18574 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
18577 * output.h (peephole): Add prototype.
18579 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
18581 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
18584 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
18586 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
18587 for inlined declarations.
18589 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
18591 * arm.c (logical_binary_operator): New fucntion.
18592 * arm.h (logical_binary_operator): Declare it.
18593 (PREDICATE_CODES): Handle logical_binary_operator.
18594 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
18595 output constraints. Add appropriate splitters.
18596 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
18597 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
18598 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
18600 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18602 * genoutput.c (struct operand_data): New elt eliminable.
18603 (output_operand_data): Write it.
18604 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
18605 (compare_operands): Take it into account.
18606 * recog.h (struct insn_operand_data): New elt eliminable.
18607 * reload1.c (check_eliminable_occurrences, elimination_effects): New
18609 (old_asm_operands_vec, new_asm_operands_vec): Delete.
18610 (eliminate_regs): Move code that detects changes to elimination
18611 target regs into new function elimination_effects.
18612 Delete one #if 0 block.
18613 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
18614 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
18615 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
18616 Only call eliminate_regs for real operands of the insn, not for parts
18617 of its structure or parts matched by things like match_operator.
18618 Use elimination_effects and check_eliminable_occurrences. Use
18619 copy_insn to duplicate the pattern when not in the final pass.
18621 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
18623 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
18626 1999-10-22 Bruce Korb <autogen@linuxbox.com>
18628 * fixinc/README: document the "mach" machine matching test
18629 * fixinc/fixfixes.c: Implement the #else/#endif label fix
18630 * fixinc/fixtests.c: Implement the #else/#endif label test
18631 * fixinc/inclhack.def: utilize these tests and fixes
18632 * fixinc/inclhack.sh: regen
18633 * fixinc/fixincl.x: regen
18634 * fixinc/fixincl.sh: regen
18636 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
18638 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
18641 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
18643 * gcc.1: Document exit codes.
18645 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18647 * calls.c: Include tm_p.h later, so everything we need is defined.
18648 * expr.c: Likewise.
18649 * function.c: Likewise.
18651 * except.c: Include tm_p.h.
18653 * sparc.c: Likewise.
18654 (dwarf2out_cfi_label): Don't prototype.
18655 (check_return_regs, epilogue_renumber,
18656 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
18657 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
18658 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
18659 ultra_schedule_insn): Add static prototype.
18660 (data_segment_operand, text_segment_operand): Call itself with the
18661 proper number of arguments.
18662 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
18664 * sparc.h: Move all declarations to sparc-protos.h.
18665 (SELECT_RTX_SECTION): Pass a missing MODE argument to
18668 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
18670 * config/svr4.h (text_section, ctors_section, dtors_section): Add
18672 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
18673 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
18674 ASM_OUTPUT_ASCII): Constify a char*.
18676 * sparc-protos.h: New file for sparc prototypes.
18678 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18680 * function.c (record_insns, contains): Always declare and define.
18681 (record_insns): Mark with ATTRIBUTE_UNUSED.
18683 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18685 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
18686 to .section when outputting a .bss section to deal with multiple
18687 .bss input sections (as happens with -fdata-sections)
18688 Also output %progbits, not @progbits so the assembler doesn't treat as
18690 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
18692 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
18693 thumb parts even when building with non-thumb CPUs, by forcing
18696 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
18698 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
18699 (movdf_const_intreg_sp64): Similarly.
18701 * local-alloc.c (update_equiv_regs): Check the correct insn
18702 for pre-existing REG_EQUIV notes.
18704 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
18706 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
18707 block reached by a branch if we're not going to actually process
18710 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
18712 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
18713 a local extern function declaration.
18715 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
18717 * i386.c (ix86_expand_prologue): Properly wrap USE around
18718 reg for CALL_INSN_FUNCTION_USAGE.
18720 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
18722 * config/mips/mips.md (movdf_internal1a): Allow floating-point
18723 move between GP_REGs.
18725 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
18727 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
18728 the mode size when finding out if an offset is legal.
18730 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
18732 * basic-block.h (PROP_*): Move constants from ...
18733 * flow.c: ... here.
18734 (compute_bb_for_insn): Free the array before reallocating.
18735 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
18736 (allocate_reg_life_data): Reset all reg variables collected by
18738 (get_block_head_tail): Don't convert from bb to block.
18739 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
18740 (find_insn_reg_weight): Take block not bb.
18741 (schedule_block): Don't set block num for moved insns.
18742 (schedule_region): Don't update_life_info or find_insn_reg_weight.
18743 (schedule_insns): Do it here instead.
18744 * combine.c (combine_instructions): Invoke compute_bb_for_insn
18745 before update_life_info.
18746 * recog.c (split_all_insns, peephole2_optimize): Update for
18747 new arg to update_life_info.
18748 * rtlanal.c (remove_note): Cope with NULL note.
18749 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
18752 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
18754 * jump.c (jump_optimize_1): More accurately detect casesi insns.
18756 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
18757 block records so that merge_blocks_nomove will clean up correctly.
18758 (split_edge): Handle casesi insns.
18760 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
18762 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
18764 * pa.md (call, call_value): Do not emit a blockage after restoring
18767 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
18769 * c-typeck.c (c_expand_asm_operands): Fix typo.
18771 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18773 * arm.c (fpu_rhs_operand): Verify modes.
18774 (fpu_add_operand): Likewise.
18775 (di_operand): Likewise.
18776 (soft_df_operand): Likewise.
18778 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
18780 * arm.c (arm_return_in_memory): APCS rules state that the elements
18781 of a structure returned in a register must be 'integer-like'.
18783 1999-10-19 Bruce Korb <autogen@linuxbox.com>
18785 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
18786 in the source tree when the generated targets are out of date
18787 * fixinc/genfixes: Alter it to run individual fixes for make.
18788 * fixinc/README: rewrite
18789 * fixinc/inclhack.def: moved initial comments to README
18791 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
18793 * toplev.c (main): Do not generate an error message if an
18794 unrecognised command line switch is recognisable by another
18795 language. If extra_warnings are enabled, then generate a
18796 warning message instead.
18798 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
18800 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
18801 (insert_pack_attributes): Delete prototype.
18803 * c-pragma.c (default_alignment): New static variable.
18804 (push_alignment): Initialize to current effective alignment.
18805 (pop_alignment): Use to set new alignment.
18806 (insert_pack_attributes): Delete function.
18807 (handle_pragma_token): Set default_alignment as well each time
18808 a #pragma pack(<n>) is encountered.
18810 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
18812 * reg-stack.c (stack_result): Aggregates are not returned in
18815 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18817 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
18819 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
18821 * basic-block.h (set_block_num): Declare.
18822 * flow.c (update_life_info): Don't call compute_bb_for_insn
18823 or free_basic_block_vars.
18824 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
18825 (insn_orig_block): Remove.
18826 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
18827 (schedule_block): Keep BLOCK_NUM up-to-date.
18828 (schedule_insns): Use compute_bb_for_insn.
18829 * recog.c (split_all_insns): Likewise.
18830 (peephole2_optimize): Likewise.
18832 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
18834 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
18835 if the pic register is used.
18837 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18839 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
18840 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
18841 if that tests TREE_PERMANENT.
18843 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
18845 * cse.c (invalidate_for_call): Do not remove memory references from
18846 the table here. It's handled elsewhere.
18848 * haifa-sched.c (add_dependence): Protect references to the
18849 true dependency cache with #ifdef INSN_SCHEDULING.
18850 (remove_dependence): Similarly.
18852 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
18853 to the cfg code that this is a return instruction.
18854 * mn10300.md (return_internal): Similarly.
18856 * combine.c (get_last_value): If the last set of a register
18857 is after subst_low_cuid, then we can not use it to determine
18858 the register's last value.
18860 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18862 * Makefile.in: Back out previous change.
18864 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
18866 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
18868 * haifa-sched.c (add_dependence): Only check/update the cache
18870 (remove_dependence): Likewise.
18871 (schedule_insns): Only create the true_dependency_cache if the
18872 average number of instructions in a basic block is very large.
18874 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18876 * Makefile.in (ggc-common.o): Depend on genrtl.h.
18877 (ggc-simple.o): Likewise.
18878 (ggc-page.o): Likewise.
18880 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
18882 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
18883 Prototype for exported functions.
18884 (pre_lcm, pre_rev_lcm): Remove prototypes.
18885 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
18886 (compute_available): Move to lcm.c, and change parameter order.
18887 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
18888 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
18889 (gcse_main): No longer call compute_preds_succs. Rebuild the
18890 set table after reach pre pass.
18891 (pre_insert_map, pre_delete_map, edge_list): New.
18892 (alloc_pre_mem): Allocate edge vectors.
18893 (free_pre_mem): Delete edge vectors.
18894 (compute_pre_data): Call new edge based lcm routines.
18895 (process_insert_insn): New function.
18896 (insert_insn_end_bb): Use it.
18897 (pre_edge_insert): New function.
18898 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
18900 (pre_insert_copies): Revamp using new edge based lcm outputs.
18901 (pre_delete): Likewise.
18902 (one_pre_gcse_pass): Insert & remove fake edges to the exit
18904 (compute_code_hoist_vbeinout): New new edge based routines.
18905 * lcm.c: Remove all the old LCM functions. Replace with new ones
18906 that work with the new cfg datastructures and work with edges
18909 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18911 * reload.h (struct reload): Add new fields "mode" and "nregs".
18912 * reload1.c: Change all occurrences of reload_mode and reload_nregs
18913 to reference the "mode" and "nregs" field within struct reload.
18915 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
18917 * haifa-sched.c (true_dependency_cache): New.
18918 (add_dependence): Use the true dependency cache to avoid expensive
18919 walks down the LOG_LINKS dependency list. Add entries to the
18920 cache as necessary.
18921 (remove_dependence): Remove entries from the true dependency cache
18923 (schedule_insns): Allocate and initialize and free the true
18926 * haifa-sched.c (schedule_insns): Do not remove inter-block
18927 dependencies anymore.
18929 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18931 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
18932 * i386/t-winnt: Likewise.
18934 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
18936 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
18938 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
18940 * Makefile.in (LANGUAGES): Omit "proto".
18941 (clean): Remove stale comment about removing unprotoize.c.
18943 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18945 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
18946 using arithmetic on void pointers.
18948 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
18950 * haifa-sched.c (compute_block_forward_dependencies): Only check
18951 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
18953 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
18955 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
18956 (expr_equiv_p): Reject memories with different alias sets.
18958 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
18960 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
18961 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
18962 (f_options): Add "bounded-pointers" and "bounds-check" entries.
18963 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
18964 (lang_init): Set default for flag_bounds_check if still "unspecified".
18966 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18968 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
18970 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18972 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
18975 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18977 * config/c4x/c4x.md (*db_noclobber,
18978 *decrement_and_branch_until_zero_noclobber): New patterns and
18979 associated splitters.
18981 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18983 * config/c4x/c4x.md (parallel instruction patterns): Rework
18984 constraints to keep reload happy.
18986 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18988 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
18989 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
18990 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
18991 Add new patterns and associated post-reload splitters.
18993 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18995 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
18997 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18999 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
19001 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
19003 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19005 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
19008 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
19010 * pa.c (move_operand): Rely on memory_address_p to determine the
19011 validity of non-indexed memory addresses.
19012 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
19013 operand in DFmode and SFmode when generating PA2.0 code.
19015 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
19017 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
19019 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
19021 * mips.c (function_prologue): Fix argument types.
19022 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
19023 (casesi_internal): Write to the scratch register.
19025 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
19027 * cppexp.c (cpp_parse_escape): Make static. Change second arg
19029 (parse_charconst): Delete unnecessary cast when calling
19031 (cpplib.h): Kill prototype of cpp_parse_escape.
19033 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
19035 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
19036 * unroll.c (unroll_loop): Cast return value of alloca.
19037 * i370/i370.c: Include function.h and toplev.h.
19038 (i370_label_scan): Remove c++ commented abort.
19039 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
19040 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
19041 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
19042 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
19044 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
19046 * config/t-freebsd: Do not override USER_H.
19047 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
19049 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
19050 Mumit Khan <khan@xraylith.wisc.edu>
19052 * c-parse.in (component_decl): Support anonymous struct/union.
19054 * c-parse.y: Regenerate.
19055 * c-parse.c: Likewise.
19056 * objc/objc-parse.y: Likewise.
19057 * objc/objc-parse.c: Likewise.
19058 * c-decl.c (finish_struct): Don't sort the fields.
19059 (field_decl_cmp): Delete unused function.
19061 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
19063 * sparc.md (movsf_const_intreg): Revert last constraint change.
19064 (movdf_const_intreg_sp32): Likewise.
19066 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
19068 * cse.c: Include hashtab.h instead of splay-tree.h
19069 (struct cse_reg_info): No longer use variant union. Add new
19070 field "regno". All references changed to avoid union.
19071 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
19072 (free_cse_reg_info): Remove.
19073 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
19074 (get_cse_reg_info): Revamp to use expandable hash tables instead
19075 of splay trees. Initialize new fields in cse_reg_info structure.
19076 (new_basic_block): Similarly.
19078 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
19080 * genrecog.c (message_with_line): Prototype.
19081 (validate_pattern): Pass along the set for the dest, not a flag.
19082 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
19083 Check for PC/CC0 as sources.
19084 (nodes_identical): Check for children position match before
19085 allowing the combination.
19087 * rtl.c (read_rtx): Track line number across \\\n.
19089 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
19091 * mips.h (SPECIAL_MODE_PREDICATES): New.
19092 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
19093 (movdi+1, movsi+1): Add output reload constraint.
19094 (casesi_internal): Likewise. Fix commentary.
19095 (return_internal): Use pmode_register_operand.
19097 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
19099 * 1750a.md (movstrqi): Add missing output reload constraint.
19100 (call_value): Likewise.
19101 * a29k.md (cpxxx patterns): Add missing match_operator mode.
19102 (jmpfdec): Add missing inout reload constraint.
19103 * elxsi.md (addsi patterns): Add missing output reload constraint.
19104 (move from sp): Use @ alternates.
19105 (call_value): No constraint on output.
19106 * fr30.md (movsi_pop): Add missing output reload constraint.
19107 (movsf_constant_store): Likewise.
19108 (splits): Remove constraints.
19109 (subsi3): Add missing mode.
19110 * i370.md (cmpstrsi+1): Add missing output reload constraint.
19111 (call_value): Likewise.
19112 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
19113 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
19114 * m32r.md (movsicc_internal): Add output reload constraint.
19115 (movstrsi_internal): Add inout reload constraints.
19116 * m88k.h (reg_names): Don't declare.
19117 (SPECIAL_MODE_PREDICATES): New.
19118 * m88k.md (*): Use register_operand not reg_or_0_operand
19120 * mn10200.h (PREDICATE_CODES): New.
19121 * ns32k.md (ffs pattern): Add output reload constraint.
19122 * pdp11.md (sob pattern): Add inout reload constraint.
19123 * sh.md (splits): Remove constraints.
19124 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
19125 * v850.md (pattern_is_ok_for_epilogue): Likewise.
19126 * vax.md (jgequ pattern): Add inout reload constraint.
19128 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
19130 * configure.in (djgpp): Revert previous patch.
19131 * configure: Rebuit.
19132 * config/i386/djgpp.h: Revert previous patch.
19134 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
19136 * fixinc/inclhack.def: Restore patch lost during last merge of
19137 "no_bogosity" branch.
19138 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19140 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19142 * fixincludes: Add a HPUX 11 fix for inttypes.h.
19143 * fixinc/inclhack.def: Same.
19144 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
19146 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
19148 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
19149 as the base of a PLUS.
19151 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19153 * config/c4x/c4x.md: Define mode for remaining unspec operators.
19154 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
19156 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
19158 * pa.md (post_stw+1): Use pmode_register_operand.
19159 (dcacheflush, icacheflush): Likewise.
19161 * i386.md (movstricthi_1): Allow r/r.
19163 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
19165 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
19166 to (not (and (arg0) (arg1))). Similary for and.
19168 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
19169 fallthrough to associate code.
19170 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
19173 * combine.c (simplify_logical): Convert XOR to IOR if operands have
19174 no bits in common; remove XOR to ROTATE conversion.
19176 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19178 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
19180 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19182 * config/c4x/c4x.c (dst_operand): New.
19183 (PREDICATE_CODES): Update.
19184 * config/c4x/c4x.h (dst_operand): Declare it.
19185 * config/c4x/c4x.md: Define mode for each unspec usage.
19186 (move patterns): Use dst_operand predicate instead of src_operand.
19187 (movqi_update, movqf_update): Delete.
19189 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
19191 * recog.c (pmode_register_operand): New.
19192 * recog.h: Declare it.
19193 * genrecog.c (pred_codes): Likewise.
19194 (special_mode_pred_table): Likewise.
19195 (validate_pattern): Don't warn no mode for address_operand.
19197 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
19198 if the operand is not insn-like.
19200 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
19201 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
19203 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
19205 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
19207 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
19208 instead of general_operand in a SET_DEST. Use const_double_operand
19209 instead of an explicit test against CONST_DOUBLE.
19210 (movsf_const_lo): Add missing register mode.
19211 (goto_handler_and_restore): Add auxiliary test for Pmode.
19212 (flush): Adjust to use address_operand.
19213 (return_sf_no_fpu): Add missing output constraint.
19215 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
19217 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
19218 for call return value.
19219 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
19221 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
19223 * toplev.c (main): Only warn about options for other languages.
19224 * collect2.c (main): Pass -w to sub-gcc.
19226 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
19228 * flow.c (propagate_block): Add call-clobbered registers to
19231 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
19232 zapping mem_set_list.
19233 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
19234 (mark_set_1, mark_used_regs): Likewise.
19236 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
19238 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
19240 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19242 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
19243 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
19244 options. Also add a new item "C-only Warning Options" to the
19247 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
19249 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
19250 from multiple calls.
19252 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
19254 * i386.md (call value patterns): Move to the end of the file.
19255 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
19257 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
19259 * configure.in (djgpp configuration): Define extra_objects..
19260 * configure: Rebuilt.
19261 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
19262 (DTORS_SECTION_ASM_OP): Define.
19263 (INIT_SECTION_ASM_OP): Define.
19264 (FINI_SECTION_ASM_OP): Define.
19265 (DATA_SECTION_ASM_OP): Define.
19266 (TEXT_SECTION_ASM_OP): Define.
19267 (EH_FRAME_SECTION_ASM_OP): Define.
19268 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
19269 (STARTFILE_SPEC): Add crtbegin.o.
19270 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
19271 to here from LINK_COMMAND_SPEC.
19272 (DO_GLOBAL_CTORS_BODY): Define.
19273 (CRTSTUFF_USE_FINI_SECTION): Define
19274 (HAS_INIT_SECTION): Delete.
19276 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
19278 * Makefile.in (all.cross): Depend on xcpp$(exeext).
19280 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
19282 * pa.h (PREDICATE_CODES): New.
19284 * genrecog.c (validate_pattern): Condense the destination
19285 non-lvalue message.
19287 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
19289 * alpha.md (call-1): Supply missing mode for operator.
19290 (*): Add missing output reload constraints. Remove constraints
19291 from define_splits.
19293 * i386.h (SPECIAL_MODE_PREDICATES): New.
19294 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
19295 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
19296 (addsi_lea_3): Add missing mode for op 3.
19297 (prologue_set_got, prologue_get_pc): Add missing modes.
19298 (*) Add missing output reload constraints.
19300 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
19302 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
19303 check for member bit-size overflow and use var_size if it occurs.
19304 (layout_record): Use bitsize_int() to define the type size in bits.
19305 Likewise for computation and assignment to DECL_FIELD_BITPOS.
19306 (layout_decl): Likewise when assigning to DECL_SIZE.
19308 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
19310 * genrecog.c (validate_pattern): Typo last change. Verify
19311 that output operands have output reloads.
19313 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
19315 * genrecog.c (special_mode_pred_table): New.
19316 (NUM_SPECIAL_MODE_PREDS): New.
19317 (find_operand): New.
19318 (validate_pattern): New argument `insn'. Warn for assignment to
19319 any predicate accepting non-lvalues. Conditionaly warn for
19320 match_operand without a mode. Try much harder to match source
19321 and destination modes on a set.
19322 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
19324 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
19326 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
19328 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
19330 * combine.c (simplify_logical): Recognize xor pattern that encodes
19333 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19335 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
19338 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
19340 * ggc-page.c (MAP_FAILED): Provide default.
19342 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
19344 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
19345 * sparc.h (PREDICATE_CODES): Update.
19347 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
19349 * alpha.c (some_ni_operand): New.
19350 * alpha-protos.h: Declare it.
19351 * alpha.h (PREDICATE_CODES): Update.
19352 * alpha.md (sXaddq reload insns): Use some_ni_operand
19353 for SET_DEST instead of some_operand.
19355 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
19356 Jim Wilson <wilson@cygnus.com>
19358 * genrecog.c (maybe_both_true_2): Don't compare modes of
19360 (process_tree): Elide peephole2_insns. Invoke simplify_tests
19361 after find_afterward.
19362 (debug_decision_1): Dump next and afterward codes.
19364 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
19366 * rtl.c (dump_and_abort): Remove.
19367 (fatal_with_file_and_line): New.
19368 (fatal_expected_char): New.
19369 (read_rtx_lineno, read_rtx_filename): New.
19370 (read_skip_spaces): Track line number.
19371 (read_name): Use fatal_with_file_and_line.
19372 (read_rtx): Use fatal_expected_char. Track line number.
19373 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
19375 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
19376 if it isn't a CODE_LABEL.
19378 * genattr.c (main): Set read_rtx_filename.
19379 * genattrtab.c (main): Likewise.
19380 * gencodes.c (main): Likewise.
19381 * genconfig.c (main): Likewise.
19382 * genemit.c (main): Likewise.
19383 * genextract.c (main): Likewise.
19384 * genflags.c (main): Likewise.
19385 * genopinit.c (main): Likewise.
19386 * genoutput.c (main): Likewise.
19387 * genpeep.c (main): Likewise.
19389 * genrecog.c (decision_test.u.insn): Add `lineno'.
19390 (pattern_lineno, error_count): New variables.
19391 (message_with_line): New.
19392 (add_to_sequence): Break out checking code to ...
19393 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
19394 (merge_insn): Use message_with_line.
19395 (make_insn_sequence): Use validate_pattern. Record insn lineno.
19396 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
19398 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19400 * expr.c (store_constructor): Clear union if constructor is empty.
19402 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
19404 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
19405 Add !endian checks. Change %{...} to %(...).
19407 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
19409 * i386.md (*addsi3_cc): Renamed from addcsi3.
19410 (*addsi3_carry): Renamed from addxsi3.
19411 (*subsi3_cc): Renamed from subcsi3.
19412 (*subsi3_carry): Renamed from subxsi3.
19413 (*xorqi_cc_1): Renamed from xorcqi_1.
19414 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
19415 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
19417 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
19419 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
19420 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
19422 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
19424 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
19425 climb up the chain of insns.
19427 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
19429 * genrecog.c (write_subroutine): Careful for null trees.
19430 (process_tree): Don't elide empty functions.
19432 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
19434 * Makefile.in (genrtl.o): Depend on ggc.h.
19435 * configure.in (valloc): Probe for it.
19436 (with-gc): Use ggc-page if valloc present.
19437 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
19438 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
19439 (ggc_alloc_string): Moved from ggc-page.c.
19440 * ggc-none.c (ggc_alloc_obj): New.
19441 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
19442 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
19443 (struct globals): Likewise for dev_zero_fd.
19444 (init_ggc): Likewise for it's initialization.
19445 (ggc_allocated_p): Move careful dereference from ...
19446 (ggc_lookup_page_table): ... here. Delete.
19447 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
19448 (alloc_anon): Use valloc if no mmap.
19449 (release_pages): Use free if using valloc.
19450 (ggc_alloc_obj): Renamed from alloc_obj.
19451 (ggc_set_mark): Renamed from mark_obj.
19452 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
19453 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
19454 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
19455 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
19456 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
19457 (ggc_collect): Use fp printing instead of our own rounding.
19458 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
19459 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
19460 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
19461 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
19462 (struct ggc_string, struct ggc_any): Delete.
19463 (offsetof): Provide default definition.
19464 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
19466 (struct ggc_mem): New, from corpse of ggc_any.
19467 (struct ggc_status): Delete.
19468 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
19469 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
19470 (n_strings_collected, n_anys_collected): Delete.
19471 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
19472 (ggc_alloc_string, ggc_alloc): Delete.
19473 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
19474 (ggc_free_string, ggc_free_any): Delete.
19475 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
19476 (ggc_compare_addresses, ggc_mark_string): Delete.
19477 (ggc_mark_string_if_gcable, ggc_mark): Delete.
19478 (search_data): Delete.
19479 (struct globals): New.
19480 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
19481 (tree_insert, tree_lookup): New.
19482 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
19483 (clear_marks, sweep_objs): New.
19484 (ggc_collect): Gut. Use clear_marks, sweep_objs.
19485 (init_ggc): Set allocated_last_gc.
19486 (ggc_push_context): Gut. Use G.context.
19487 (ggc_pop_context): Likewise.
19488 (ggc_pop_context_1): New.
19489 (debug_ggc_tree): New.
19490 (debug_ggc_balance, tally_leaves): New.
19491 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
19492 (ggc_mark_string_if_gcable): Remove decl.
19493 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
19494 (ggc_mark_rtvec_children): New.
19495 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
19496 (ggc_mark_if_gcable): New decl.
19497 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
19498 (ggc_alloc_tree, ggc_alloc): Likewise.
19499 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
19500 (ggc_alloc_obj): New decl.
19501 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
19502 (ggc_alloc_tree, ggc_alloc): Likewise.
19503 (ggc_set_mark): New decl.
19504 * rtl.h (struct rtx_def): Remove gc_mark.
19505 (struct rtvec_def): Likewise.
19506 * tree.h (struct tree_common): Likewise.
19508 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
19510 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
19511 float_format and thread_file definitions.
19512 * configure: Rebuilt.
19514 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
19516 * extend.texi (Function Names): Document types of function names.
19518 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19520 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19521 an earlyclobbered output conflict with RELOAD_INPUT reloads.
19523 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19525 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
19527 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19529 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
19531 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
19533 * collect2.c (main): Do prelimnary link on AIX if rflag.
19535 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19537 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
19538 __CTOR_LIST__ in opposite order, which is the correct order for sorted
19540 (__do_global_dtors): similarly for __DTOR_LIST__.
19542 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19543 Diego Novillo <dnovillo@cygnus.com>
19545 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
19548 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
19550 * fixincl/*: Merged "no_bogosity" branch
19551 * fixincl/fixlib.h: protect against doubly defining t_bool
19552 * fixincl/server.h: protect against doubly defining t_bool
19554 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
19556 * genoutput.c: Include toplev.h.
19558 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
19560 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
19562 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
19563 * configure: Regenerate.
19565 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19567 * gcse.c (delete_null_pointer_checks): Returns void.
19569 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19571 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
19572 * emit-rtl.c (copy_insn_1): Likewise.
19574 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19576 * config/mips/mips.c (mips_build_va_list): Correct
19577 TREE_CHAIN setting when hard-float.
19578 (mips_va_start): Use corrected setting.
19579 (mips_va_arg): Likewise. Also pass a tree to build of
19580 POSTINCREMENT_EXPR rather than a naked 'int'.
19582 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
19584 * ggc.h (ggc_push_context): Fix comment.
19585 (ggc_pop_context): Likewise.
19586 (mark_string_if_gcable): Likewise.
19587 * ggc-common.c (ggc_mark_rtx_children): Use
19588 ggc_mark_string_if_gcable.
19589 * ggc-page.c (ggc_lookup_page_table): New function.
19590 (ggc_allocated_p): Likewise.
19591 (mark_obj): Fix formatting.
19592 (ggc_mark_string_if_gcable): New function.
19593 * ggc-simple.c (ggc_allocated_strings): New variable.
19594 (ggc_strings_used): Likewise.
19595 (ggc_compare_addresses): New function.
19596 (ggc_pop_context): Pop the `any' memory too.
19597 (ggc_mark_string_if_gcable): New function.
19598 (ggc_collect): Initialize and tear down ggc_allocated_strings.
19600 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
19602 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
19603 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
19604 * rs6000.c (expand_block_move): Match movstrsi_?reg register
19607 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
19609 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
19610 (sched_reg_live_length, sched_reg_basic_block): Delete.
19611 (current_block_num, bb_live_regs, old_live_regs): Delete.
19612 (dead_notes, struct sometimes): Delete.
19613 (sched_note_set, birthing_insn_p): Delete.
19614 (adjust_priority): Gut useless reg lifetime code.
19615 (create_reg_dead_note, attach_deaths): Delete.
19616 (attach_deaths_insn, new_sometimes_live): Delete.
19617 (finish_sometimes_live): Delete.
19618 (find_pre_sched_live, find_post_sched_live): Delete.
19619 (update_reg_usage): Delete.
19620 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
19621 (schedule_insns): Delete reg lifetime code.
19622 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
19623 (unlink_other_notes): Adjust REG_NOTE commentary.
19624 (reemit_notes): Use REG_SAVE_NOTE.
19625 (schedule_block): Likewise.
19626 (schedule_region): Allocate bitmap of blocks in region. Use
19627 count_or_remove_death_notes. Use update_life_info.
19629 * rtl.h (REG_SAVE_NOTE): New.
19630 * rtl.c (reg_note_name): Update.
19632 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
19634 * combine.c (refresh_blocks, need_refresh): New.
19635 (combine_instructions): Allocate refresh_blocks. Invoke
19636 update_life_info if needed.
19637 (distribute_notes): Mark refresh_blocks instead of installing
19639 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
19640 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
19642 * Makefile.in (recog.o): Depend on basic-block.h.
19644 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
19646 * genrecog.c (add_to_sequence): Thinko last change: delete
19647 shadowing allow_const_int variable.
19649 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19651 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
19652 __GNUC__ and __GNUC_MINOR__.
19654 * gansidecl.h: Likewise.
19660 * toplev.h: Likewise.
19662 * tree.c: Likewise.
19664 * tree.h: Likewise.
19666 * varray.c: Likewise.
19668 * varray.h: Likewise.
19670 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19672 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
19673 use one before a jump table.
19675 * rtl.def (ADDRESS): Change documentation to match reality.
19676 * md.texi: Don't document it.
19677 * gmicro.md (load address pattern): Use 'p' constraint, delete use
19680 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
19682 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
19684 * genrecog.c (add_to_sequence): Move allow_const_int test outside
19685 known predicate block; default allow_const_int true.
19686 (debug_decision_list): New.
19688 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
19690 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
19692 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
19694 * gcse.c (gcse_main): Avoid global optimizations if we have a
19695 large number of basic blocks and the ratio of edges to blocks
19697 (delete_null_pointer_checks): Likewise.
19699 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
19701 * c-common.c (check_format_info): Warn if format string isn't a
19704 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19706 * configure.in (arm*-*-*): Don't let autoconf remove brackets
19707 * configure: regenerate
19709 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
19711 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
19712 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
19713 (peepholes): Re-enable.
19715 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
19717 * Makefile.in (flow.o): Depend on TREE_H.
19718 * basic-block.h (REG_SET_EQUAL_P): New.
19719 (XOR_REG_SET): New.
19720 (n_edges): Declare.
19721 (free_regset_vector): Remove declaration.
19722 (flow_delete_insn_chain): Declare.
19723 (enum update_life_extent): New.
19724 (update_life_info, count_or_remove_death_notes): Declare.
19725 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
19726 Verify register live at bb->global_live_at_start before adding USE.
19727 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
19728 (CLEAN_ALLOCA): New.
19730 (PROP_*): New flags.
19731 (find_basic_blocks_1): Use alloc_EXPR_LIST.
19732 (clear_edges): Zero n_edges.
19733 (make_edge): Increment n_edges.
19734 (split_edge): Don't allocate bb->local_set. Increment n_edges.
19735 (flow_delete_insn_chain): Export.
19736 (delete_block): Decrement n_edges.
19737 (merge_blocks_nomove): Likewise.
19738 (life_analysis): Give life_analysis_1 PROP flags.
19739 (verify_wide_reg_1, verify_wide_reg): New.
19740 (verify_local_live_at_start): New.
19741 (update_life_info): Rewrite to call into propogate_block.
19743 (mark_regs_live_at_end): After reload, if epilogue as rtl,
19744 always mark stack pointer. Conditionally mark PIC register.
19745 After reload, mark call-saved registers, return regsiters.
19746 (life_analysis_1): Accept PROP flags not remove_dead_code.
19747 Call mark_regs_live_at_end before zeroing regs_ever_live.
19748 Use calculate_global_regs_live. Copy global_live_at_end before
19749 calling final propagate_block. Zero reg_next_use on exit.
19750 (calculate_global_regs_live): New.
19751 (allocate_bb_life_data): Don't allocate bb->local_set.
19752 (init_regset_vector, free_regset_vector): Remove.
19753 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
19754 Test flags before every operation. Warn if prologue/epilogue insn
19755 would have been deleted.
19756 (mark_set_regs, mark_set_1): Accept and use FLAGS.
19757 Use alloc_EXPR_LIST.
19758 (mark_used_regs): Accept and use FLAGS, not FINAL.
19759 Remove special handling for RETURN.
19760 (try_pre_increment): Use alloc_EXPR_LIST.
19761 (dump_flow_info): Dump n_edges.
19762 (unlink_insn_chain, split_hard_reg_notes): Remove.
19763 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
19764 (find_insn_with_note, new_insn_dead_notes): Remove.
19765 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
19766 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
19767 (replace_insns): Remove.
19768 (count_or_remove_death_notes): New.
19769 (verify_flow_info): Abort on error after all checks.
19770 (remove_edge): Decrement n_edges.
19771 (remove_fake_edges): Tweak format.
19772 * haifa-sched.c (schedule_insns): Use split_all_insns.
19773 * output.h (update_life_info): Remove declaration.
19774 * recog.c (split_all_insns): From the corpse of split_block_insns,
19775 do the whole function block by block. Use update_life_info.
19776 (recog_last_allowed_insn): New.
19777 (recog_next_insn): Mind it.
19778 (peephole2_optimize): Set it. Walk backwards through blocks.
19779 Use update_life_info.
19780 * rtl.h (update_flow_info, replace_insns): Remove declarations.
19781 (split_all_insns): Declare.
19782 * toplev.c (rest_of_compilation): Thread prologue before flow2.
19783 Use split_all_insns.
19785 * i386.md (or -1 peep2s): Disable.
19787 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
19789 * config/mips/mips.md (movstrsi+[123]) : Combine these into
19790 a single pattern. Scrap the 'd' versions as unnecessary.
19792 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
19793 tablejump_mips162,tablejump_internal4): The operands to a
19794 label_ref must be VOIDmode.
19796 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19798 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
19800 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19802 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
19804 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19806 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
19807 cache every function if ggc_p.
19809 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19811 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
19812 instead of copy_rtx. Accept sequences that contain asm statements.
19813 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
19814 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
19815 orig_asm_operands_vector, copy_asm_operands_vector,
19816 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
19818 * rtl.h (copy_insn, copy_insn_1): Declare.
19820 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19822 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
19824 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
19825 arguments to `current_file_function_operand'.
19827 * genrecog.c: Include hard-reg-set.h and resource.h in the
19828 generated output file.
19830 * real.c: Include tm_p.h.
19832 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19834 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
19837 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
19839 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
19840 before the fctiwz insn.
19842 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19843 Mark Mitchell <mark@codesourcery.com>
19845 * tree.c (make_lang_type_fn): New funtion pointer.
19846 (make_lang_type): Call it.
19847 * tree.h (make_lang_type): Declare.
19848 (make_lang_type_fn): Likewise.
19849 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
19851 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
19853 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
19854 make sure that HIGH instructions are copied into BASE_REGS.
19856 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
19858 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
19860 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
19862 * c-decl.c (finish_struct): Use simpler method of
19863 removing elements of a singly-linked list.
19865 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
19867 * alpha.md (peephole2's): Comment out peephole2's that generate
19870 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
19872 * genrecog.c (add_to_sequence): Disable mode check for
19875 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19877 * ggc-simple.c (init_ggc): Set empty_string.
19879 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
19881 * configure.in: Detect mmap. Add --with-gc=foo to select
19882 garbage collector; default to page if mmap available.
19883 * Makefile.in (GGC): Substitute.
19885 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
19887 * c-decl.c (ggc_p): Enable.
19889 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19891 * flow.c (verify_flow_info): Make it extern & unconditionally define.
19893 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
19895 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
19896 string for little-endian-data.
19898 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
19900 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
19901 case somebody tries to compile --enable-checking code with gcc
19904 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
19906 * genrecog.c (add_to_sequence): Verify operand to label_ref is
19909 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
19911 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
19912 * jump.c (jump_optimize_1): Document why.
19914 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19916 * collect2.c (scan_prog_file, scan_libraries): Prototype function
19917 pointers and casts for `int_handler' and `quit_handler'.
19919 * flow.c (verify_flow_info, split_hard_reg_notes,
19920 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
19921 remove_edge, remove_fake_successors): Add static prototypes.
19922 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
19923 (mark_set_1): Initialize variable `regno'.
19924 (unlink_insn_chain): Likewise for variable `curr'.
19925 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
19927 * loop.c (strength_reduce): Initialize variable
19928 `unrolled_insn_copies'.
19929 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
19930 prototypes. Change these functions to take const PTR parameters
19931 to avoid prototype conflict when used as the comparson argument
19933 (check_dbra_loop): Initialize variable `comparison_val'.
19935 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
19936 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
19937 (find_valid_class): Initialize variable `best_class'.
19938 (find_reloads): Call memcpy, not bcopy.
19940 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
19941 (hard_reg_use_compare): Don't needlessly cast away const.
19942 (reload_reg_class_lower): Likewise.
19943 (choose_reload_regs): Initialize variable `regno'.
19945 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
19947 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
19949 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
19951 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
19952 ({,d}discard): Add forward declarations. Declare parameter as
19954 (main_without_main): Explicitly declare return type to be int.
19955 (memcpy): Properly declare.
19957 * libgcc2.c (toplevel): If inhibit_libc is defined and not
19958 building the trampoline support, declare malloc, free, and
19960 (__clear_cache): Mark arguments as potentially unused.
19962 * frame.c (toplevel): If inhibit_libc is defined, declare
19965 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
19967 * flow.c (make_edge): Accept an optional 2D bitmap in which
19968 to cache edge existence. Update all callers.
19969 (make_label_edge, make_eh_edge): Pass through the edge cache.
19970 (make_edges): Provide the cache.
19972 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19974 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
19976 (local_mbtowc): Change the type of variable `i' from int to size_t.
19978 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
19979 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
19981 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
19983 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
19984 after other includes that define the appropriate types. Include
19985 tm_p.h for getting user prototypes.
19986 * ggc-callbacks.c (toplevel): Ditto.
19987 * ggc-none.c (toplevel): Ditto.
19988 * gcc-page.c (toplevel): Ditto.
19989 * ggc-simple.c (toplevel): Ditto.
19991 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
19992 Jonathan Larmour <jlarmour@cygnus.co.uk>
19994 * config/mips/mips.c (mips_move_2words): Split doubles if
19995 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
19997 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
19999 * genrecog.c (struct decision_test): New.
20000 (struct decision): Remove test-related members, sort the rest by size.
20001 (IS_SPLIT): Simplify.
20002 (new_decision, new_decision_test): New.
20003 (add_to_sequence): Use them. No special handling for args of
20005 (maybe_both_true): Renamed from not_both_true; return sense changed.
20006 (maybe_both_true_1, maybe_both_true_2): New. Broken out
20007 of maybe_both_true and adjusted for decision_test.
20008 (position_merit): Remove.
20009 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
20010 (merge_accept_insn): New, broken out of merge_trees.
20011 (merge_trees): Use them. No special case for c_test; no node
20012 splitting; use test type instead of position_merit.
20013 (factor_tests): New.
20014 (simplify_tests): New.
20015 (break_out_subroutines): Don't write code now.
20016 (find_afterward): New.
20017 (write_afterward, write_switch, write_cond): New.
20018 (write_action, is_unconditional): New.
20019 (write_node): New. Use them.
20020 (write_tree_1): Rewrite. Use the new functions above.
20021 (write_tree): Remove afterward processing.
20022 (write_subroutine): Simplify function variant emission.
20023 (write_subroutines): New.
20024 (same_codes, clear_codes): Remove.
20025 (same_modes, clear_modes): Remove.
20026 (write_header): New, broken out of main.
20027 (make_insn_sequence): Use new_decision and new_decision_test.
20028 (process_tree): New, broken out of main.
20029 (main): Adjust for merge_trees interface change.
20030 Don't #define operands in the output file.
20031 (record_insn_name): New, broken out of make_insn_sequence.
20032 (debug_decision_2, debug_decision_1, debug_decision_0): New.
20033 (debug_decision): New.
20035 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
20037 * resource.c (find_free_register): Mark class_str argument const.
20038 * resource.h: Update prototype to match.
20040 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
20041 * i386.md: Give all anonymous insns names.
20043 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
20045 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
20048 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
20050 * toplev.c (dbr_sched_time): Unconditional.
20051 (peephole2_time): New.
20052 (compile_file): Add pass numbers to all of the dump file suffixes.
20053 Dump peephole2_time. Don't dump times for non-applicable passes.
20054 (rest_of_compilation): Add pass numbers to dump file suffixes.
20055 Conditionalize calls to the scheduler.
20056 * invoke.texi: Update.
20058 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
20060 * flow.c (make_edges): Fix insn iteration.
20061 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
20062 (find_basic_blocks_1): Fix spelling mistake.
20064 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
20066 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
20067 always have side-effects. Use memset not bzero.
20068 (make_node): Likewise.
20070 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
20072 * stmt.c (expand_anon_union_decl): When any of the elements of the
20073 union is addressable, so is the entire union.
20075 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
20077 * sbitmap.c (sbitmap_ones): Don't set too many bits.
20079 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
20080 * bitmap.c (bitmap_operation): Return true iff TO changed.
20081 (bitmap_equal_p): New.
20082 (bitmap_bit_p): Tidy arithmetic.
20083 (debug_bitmap_file): Likewise.
20085 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
20087 * toplev.c (rest_of_compilation): Turn on cse_not_expected
20088 before cse2 instead of after.
20090 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
20092 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
20095 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20097 * cppinit.c (is_idchar initializer): Loosen tests to accept
20100 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
20102 * mips.md: Define conditional move patterns for floating point
20103 operands and DI mode conditions.
20105 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
20107 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
20108 always have side-effects.
20110 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
20112 * mn10200.c (asm_file_start): Fix typo.
20114 * cppinit.c (is_idchar initializer): Tighten tests for when
20115 to put the table into initialized memory.
20117 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
20118 not an array of rtunion.
20119 * gcc-page.c (ggc_alloc_rtvec): Similarly.
20120 * gcc-simple (ggc_free_rtvec): Similarly.
20122 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
20125 * mbchar.h: Add missing #endif.
20127 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
20128 (FPBIT, DPBIT): Define.
20130 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20132 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
20134 * profile.c (instrument_arcs, output_gcov_string,
20135 tablejump_entry_p): Add static prototypes.
20136 (output_gcov_string): Constify a char*.
20138 * regmove.c (replacement_quality, fixup_match_2): Add static
20141 * resource.h (reg_dead_p): Add extern prototype.
20143 * rtl.c (trim_filename): Add static prototype.
20145 * scan-decls.c (skip_to_closing_brace): Likewise.
20147 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
20148 (expand_end_case): Initialize variable `range'.
20149 (emit_case_nodes): Remove unused prototype `rtx_fn'.
20151 * varasm.c (asm_emit_uninitialised): Add static prototype.
20152 (asm_emit_uninitialised, assemble_variable): Mark parameter with
20155 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20157 * cpplib.c (if_directive_nameo): Add static prototype.
20159 * cse.c (cse_insn): Remove unused variable `p'.
20161 * except.c (create_rethrow_ref, push_entry,
20162 receive_exception_label, new_eh_region_entry, find_func_region,
20163 clear_function_eh_region, process_nestinfo): Add static prototypes.
20164 (get_reg_for_handler): Hide definition.
20165 (process_nestinfo): Initialize variable `extra_handlers'.
20167 * expr.h (expand_builtin_longjmp): Add extern prototype.
20169 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
20171 * function.c (prepare_function_start): Likewise.
20172 (pop_function_context_from): Mark parameter `context' with
20174 (push_temp_slots_for_block, flush_addressof): Hide definition.
20176 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
20177 solve_program_flow_graph, calculate_branch_probs,
20178 function_summary, main, fancy_abort): Add prototypes.
20180 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
20181 (add_hash): Constify a char*.
20183 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
20184 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
20185 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
20187 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
20189 * lists.c (free_list, zap_lists): Likewise.
20191 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20193 * alias.c (nonlocal_reference_p): Add static prototype.
20195 * bitmap.c (bitmap_element_allocate): Prototype args in function
20198 * builtins.c (stabilize_va_list): Add static prototype.
20199 (expand_builtin_va_arg): Constify a char*.
20201 * c-lex.c (getch, put_back, extend_token_buffer_to,
20202 read_line_number, token_getch, token_put_back): Add static
20205 * c-parse.gperf (hash, is_reserved_word): Likewise.
20207 * cccp.c (is_dir_separator): Likewise.
20209 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20211 * graph.h: New file to prototype functions exported by graph.c.
20213 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
20215 * graph.c: Include graph.h.
20217 * toplev.c: Likewise. Remove redundant prototypes.
20219 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
20221 * invoke.texi: Removed duplicated description for -Q.
20223 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
20225 * extend.texi: Grammar fix in __extension__ text.
20227 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
20229 * md.texi (define_peephole2): New section.
20231 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
20233 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
20234 (mov $-1 to or peepholer): Enable for pentium when optimizing for
20237 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
20239 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
20241 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
20243 * i386.md (ffs expander): Emit Pentium friendly code for
20246 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
20248 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
20250 (build1): Likewise.
20252 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20254 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
20256 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
20258 * config/m68k/m68k.c (use_return_insn): Return false if the pic
20259 register is in use.
20261 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20263 * md.texi (No Constraints): Delete section.
20264 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
20265 * final.c (final_scan_insn): We always have register constraints.
20266 * genattrtab.c: Don't include "insn-config.h".
20267 (write_attr_case): We always have register constraints.
20268 * genconfig.c (register_constraint_flag): Delete.
20269 (walk_insn_part): Don't check whether we have register constraints.
20270 (main): Don't write out "#define REGISTER_CONSTRAINTS".
20271 * genoutput.c (have_constraints): Delete.
20272 (main): Don't set it.
20273 (output_operand_data): We always have constraints.
20274 (scan_operands): Likewise.
20275 (compare_operands): Likewise.
20276 * local-alloc.c (block_alloc): We always have constraints.
20277 (requires_inout): Always compile this function.
20278 * recog.c (extract_insn): We always have constraints.
20279 (constrain_operands, reg_fits_class_p): Always compile these
20281 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
20283 (struct insn_operand_data): Likewise.
20284 * regclass.c (regclass): We always have constraints.
20285 (record_reg_classes, copy_cost, record_address_regs,
20286 auto_inc_dec_reg_p): Always compile these functions.
20287 * regmove.c (regmove_optimize): We always have constraints.
20288 * reload.c (find_reloads): Likewise.
20289 * reload1.c (reload): Likewise.
20290 (reload_cse_simplify_operands): Likewise.
20291 * i860.c (output_delay_insn): Likewise.
20293 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
20295 * iris6.h (BUILD_VA_LIST_TYPE): Define.
20297 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20299 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
20300 for the va_list record.
20302 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
20304 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
20307 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
20309 * alias.c: Include insn-flags.h.
20310 * Makefile.in (alias.o): Update.
20312 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
20314 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
20315 to LTU and GEU. Handle more cases using sbb.
20317 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
20319 * i386.md (truncatexfdf splitters): Do not use subreg.
20320 (fop XFmode patterns): Fix mode in operand testing.
20322 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
20324 * jump.c (jump_optimize_1): Amend last change to test only the
20325 form of the operand, not the insn.
20327 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
20328 not register_operand to determine when B may need preloading.
20330 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
20332 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
20333 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
20334 (call-value patterns): Move to end of file.
20335 (*): Remove mode from label_ref in (pc) context.
20336 (movstrqi): Use memory not general_operand for BLKmode operands.
20337 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
20338 to register_operand operands.
20339 (peep2 patterns): Convert from commented-out peephole patterns.
20341 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20343 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
20344 to BUILT_IN_INIT_DWARF_REG_SIZES.
20345 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
20346 Renamed from BUILT_IN_DWARF_REG_SIZE; call
20347 expand_builtin_init_dwarf_reg_sizes.
20348 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
20349 with __builtin_init_dwarf_reg_size_table.
20350 * dwarf2out.c (struct reg_size_range): Delete.
20351 (expand_builtin_init_dwarf_reg_sizes): New function.
20352 (expand_builtin_dwarf_reg_size): Delete.
20353 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
20354 (expand_builtin_dwarf_reg_size): Don't declare.
20355 * libgcc2.c (dwarf_reg_size_table_initialized): New.
20356 (dwarf_reg_size_table): New.
20357 (init_reg_size_table): New function.
20358 (copy_reg): Use dwarf_reg_size_table.
20359 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
20362 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
20364 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
20365 Correctly build argument list to constructor and destructor functions.
20367 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
20369 * c-tree.h (warn_float_equal): Declare.
20370 * c-decl.c (warn_float_equal): Define.
20371 (c_decode_option): Recognize -W[no-]float-equal.
20372 * c-typeck.c (build_binary_op): Conditionally warn
20373 about equality tests of floating point types.
20374 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
20375 * invoke.texi: Add docs for -Wfloat-equal warning.
20377 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
20379 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
20380 generating RTL directly.
20381 * mips.h (INIT_TARGET_OPTABS): Likewise.
20382 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
20384 * expr.h (init_mov_optab): Delete declaration
20386 * h8300.c (WORD_REG_USED): Update to avoid useless register
20387 saves in interrupt functions and functions which never return.
20389 * cse.c (struct set): Delete inner_dest_loc field.
20390 (cse_insn): Remove assignments to inner_dest_loc field.
20392 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
20394 * ggc-page.c: Don't include <unistd.h> etc taken care of
20395 by "system.h". Include <sys/mman.h> afterward.
20397 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
20399 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
20402 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
20404 * xcoffout.c (xcoffout_declare_function): Add documentation.
20405 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
20406 TARGET_64BIT. Compare constant to -1, not bit pattern.
20407 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
20408 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
20411 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
20413 * dwarf2out.c (add_abstract_origin_attribute): Abort if
20414 origin_die is NULL.
20415 (gen_inlined_enumeration_type_die): Do not abort if the type has
20416 not been writeen out.
20417 (gen_inlined_structure_type_die): Do not abort if the type has
20418 not been writeen out.
20419 (gen_inlined_union_type_die): Do not abort if the type has
20420 not been writeen out.
20421 (gen_tagged_type_instantiation_die): Do not abort if the type
20422 has not been written out.
20424 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20426 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
20428 * reg-stack.c (straighten_stack): Copy hard reg set with
20431 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
20433 * builtins.c (stabilize_va_list): Stabilize array type va_list
20434 to a pointer type, not the base record type.
20435 (expand_builtin_va_copy): Dereference the pointers explicitly;
20436 use the correct size for the copy.
20438 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
20439 (rs6000_va_arg): Likewise.
20441 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
20443 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
20445 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
20447 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
20449 (DECL_BUILT_IN_CLASS): Adjust accordingly.
20451 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
20453 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
20454 (init_ggc): Use it instead of a constant.
20455 (ggc_collect): Bound allocated_last_gc by it.
20457 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
20459 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
20462 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
20464 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
20465 (mips*-*-openbsd*): Let big endian configuration be a fragment.
20466 * configure: Regen.
20467 * config/mips/openbsd.h: New, OpenBSD little endian target.
20468 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
20469 * config/mips/xm-openbsd.h: New, OpenBSD host.
20471 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
20473 * config/m68k/m68k.c (output_function_prologue,
20474 output_function_epilogue): Use
20475 current_function_uses_pic_offset_table instead of regs_ever_live
20476 to decide whether to save/restore pic register.
20477 (legitimize_pic_address): Don't modify regs_ever_live any more.
20479 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
20481 * function.h (struct function): Add x_dont_save_pending_sizes_p.
20482 * stor-layout.c (variable_size): Don't add sizes to the pending
20483 sizes list if x_dont_save_pending_sizes_p is set.
20485 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
20487 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
20488 for symbolic_operand().
20489 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
20491 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20493 * combine.c (gen_rtx_combine): Add missing call to va_end().
20495 * final.c (asm_fprintf): Likewise.
20497 * genattrtab.c (attr_rtx): Likewise.
20499 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
20501 * cse.c: Update comments.
20502 (cse_insn): When converting a conditional/computed jump into
20503 an unconditional jump, always make sure a BARRIER immediately
20504 follows the converted jump. Do not delete unreachable code.
20505 (cse_basic_block): Do not delete unreachable code.
20506 * toplev.c (rest_of_compilation): Move call to
20507 delete_trivially_dead_insns after the conditional call to
20510 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20512 * collect2.c (make_temp_file): Don't prototype.
20514 * gcc.c (make_temp_file): Likewise.
20516 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
20518 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
20520 * varasm.c (asm_emit_uninitialised): New function: Generate
20521 the assembler statements necessary to declare an uninitialised
20523 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
20525 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
20526 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
20528 (assemble_variable): Use asm_emit_uninitialised to emit an
20529 uninitialised variable.
20531 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
20533 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
20534 constant on a 64 bit host. Patch supplied by Geoffrey Keating
20535 <geoffk@cygnus.com>.
20537 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20539 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
20540 * c-common.h (builtin_function): Don't declare.
20542 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
20544 (pushdecl): Likewise.
20545 (finish_decl): Likewise.
20546 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
20547 int. All callers changed.
20548 Set the builtin's DECL_BUILT_IN_CLASS.
20549 * tree.h (enum built_in_class): New.
20550 (enum built_in_function): Delete NOT_BUILT_IN.
20551 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
20553 (DECL_SET_FUNCTION_CODE): Likewise.
20554 (DECL_BUILT_IN_CLASS): New macro.
20555 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
20556 (struct tree_decl): Split builtin function code field into a
20558 (builtin_function): Declare.
20560 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
20562 * optabs.c (init_traps): Fix typo in last change.
20564 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
20566 * toplev.c (rest_of_decl_compilation): Update comment.
20568 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20570 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
20571 in .sbss if appropriate.
20572 (EXTRA_SECTION_FUNCTIONS): Add sbss.
20573 (SBSS_SECTION_ASM_OP): New macro.
20574 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
20575 (EXTRA_SECTIONS): Add in_sbss.
20576 * config/mips/mips.h: Prototype sbss_section.
20578 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
20580 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
20583 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
20585 * optabs.c (init_traps): Register trap_rtx as a GC root.
20587 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20589 * config/mips/mips.c (function_arg_pass_by_reference): Define
20590 unconditionally, since it's called unconditionally.
20592 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20594 * toplev.c (documented_lang_options): Add -fshort-wchar.
20595 * c-decl.c (c_decode_option): Likewise.
20596 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
20598 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
20599 * gcc.c (default_compilers): If -fshort-wchar,
20600 override __WCHAR_TYPE__.
20601 * tm.texi (C Dialect Options): Add -fshort-wchar.
20603 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
20604 symbol for a variable.
20606 * cpplib.h (CPP_PREPROCESSED): New macro.
20607 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
20608 we're seeing this input for a second time.
20610 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
20612 * emit-rtl.c (init_emit_once): Initialize modes first.
20614 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
20616 * config/i386/i386.c (pic_label_name): Change to char pointer.
20617 (global_offset_table): New variable.
20618 (load_pic_register): Fill global_offset_table if it hasn't
20619 already been done. Allocate pic_label_name dynamically.
20620 * ggc.h (empty_string): New variable.
20621 * ggc-simple.c (empty_string): Likewise.
20622 (init_ggc): Allocate empty_string and add as root.
20623 * stmt.c (digit_strings): New variable.
20624 (init_stmt): Add last_block_end_note as root. Allocate and
20625 initialize digit_strings.
20626 (expand_asm_operands): Use empty_string instead of string
20627 constant. Use digit_strings instead of string constants.
20628 * profile.c (init_arc_profiler): Allocate string with
20629 ggc_alloc_string instead of xmalloc.
20630 (output_func_start_profiler): Likewise.
20631 * c-typeck.c (digest_init): Check if init is error_mark_node.
20633 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
20634 Richard Henderson <rth@cygnus.com>
20636 * ggc-page.c: New file.
20637 * Makefile.in (ggc-page.o): New.
20639 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
20641 * invoke.texi: Document -fdelete-null-pointer-checks
20642 * toplev.c (flag_delete_null_pointer_checks): New.
20643 (f_options): Add entry for -fdelete-null-pointer-checks.
20644 (rest_of_compilation): Conditionalize null pointer check
20645 elimination on flag_delete_null_pointer_checks.
20646 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
20648 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
20650 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
20651 copyright notice and special exception to GPL.
20653 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20655 * abi64.h (mips_function_value): Add prototype arguments.
20657 * mips-protos.h: New file with mips prototypes.
20659 * mips.c: Include "tm_p.h".
20660 (mktemp, lookup_name): Add prototype arguments.
20661 (extern_list, string_constant, mips_fill_delay_slot,
20662 mips_output_external, mips_output_external_libcall,
20663 mips_output_filename, mips_declare_object, function_prologue,
20664 mips_expand_prologue, function_epilogue, mips16_constant,
20665 build_mips16_function_stub, mips_output_conditional_branch):
20667 (mips_va_start): Remove unused variable `u'.
20668 (mips_va_arg): Cast value to unsigned when comparing against one.
20670 (save_restore_insns, mips_expand_prologue): Add missing arg in
20671 call to `large_int'.
20673 * mips.h: Move prototypes to mips-protos.h.
20674 (data_section, memory_address_p, rdata_section,
20675 readonly_data_section, simple_epilogue_p, text_section): Delete
20676 prototypes delcared elsewhere.
20677 (mips_epilogue_delay_slots, print_options): Delete unused decls.
20679 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
20681 * mips.md: Delete extra args in call to `mips_move_2words'.
20683 * xm-iris6.h (alloca): Add prototype argument.
20685 * genpeep.c: Include "tm_p.h" in generated output file.
20687 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20689 * basic-block.h (find_edge_index): Change parameters.
20690 * flow.c (verify_edge_list): Pass basic_block parameters to
20691 find_edge_index instead of integers.
20693 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
20695 * combine.c (simplify_comparison): Use an unsigned shift to adjust
20698 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
20700 * gcc.1: Fix a formatting error.
20702 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20704 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
20705 i786, mn10200, mn10300, pdp11, v850.
20707 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
20709 * libgcc2.c (num_digits): Add prototype with
20710 __attribute__((const)).
20711 (__terminate): Add prototype.
20713 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
20715 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
20717 * alpha/alpha.c (print_operand): Fix type of `code'.
20718 (alpha_output_filename): Constify.
20719 * alpha/alpha.h: Move all function declarations ...
20720 * alpha/alpha-protos.h: ... here. New file.
20721 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
20722 (SECTION_FUNCTION_TEMPLATE): Likewise.
20724 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20726 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
20727 * expr.c (expand_expr): Likewise.
20728 (do_jump): Likewise.
20729 (do_store_flag): Pass ccp_store_flag to can_compare_p.
20730 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
20732 (enum can_compare_purpose): New.
20733 (can_compare_p): Adjust prototype.
20734 (prepare_cmp_insn, prepare_operand): Declare.
20735 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
20736 * optabs.c (cmp_available_p): Deleted.
20737 (expand_abs): Pass ccp_jump to can_compare_p.
20738 (can_compare_p): New arg PURPOSE. Check for combined optabs.
20739 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
20740 Call can_compare_p rather than cmp_available_p.
20741 (prepare_operand): No longer static.
20742 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
20743 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
20744 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
20745 sequence to use emit_cmp_and_jump_insns.
20746 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
20748 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
20750 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
20751 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
20752 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
20753 (plus (reg) (const_int 0))
20754 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
20756 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
20758 * rs6000.c (expand_block_move): DImode loads and stores require
20759 word-aligned displacements. Increment address registers with
20760 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
20762 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
20764 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
20765 is no name for the base type, rather than segfault. If we are
20766 writing out a complex integer type, use DW_ATE_lo_user.
20768 * expr.c (emit_move_insn_1): If we are copying a complex that fits
20769 in one word or less (complex char, complex short, or on 64 bit
20770 systems complex float) to/from a hard register, copy it through
20771 memory instead of dying in gen_{real,imag}part. If we have a
20772 short complex type, prevent inlining since it allocates stack
20775 * tree.c (build_complex_type): If we are writing dwarf2 output,
20776 generate a name for complex integer types.
20778 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20780 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
20781 * flow.c (remove_edge): Remove extra whitespace.
20782 (remove_fake_edges): Fix comment.
20783 (add_noreturn_fake_exit_edges): Use the correct name.
20785 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
20787 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
20788 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
20789 (clean): Depend on INTL_CLEAN.
20790 (maintainer-clean): Adjust.
20792 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20794 * configure.in (AC_PREREQ): Bump to 2.13.
20795 (AC_C_STRINGIZE): Call this instead of using a custom macro.
20797 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
20799 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
20801 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
20803 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
20804 (HAVE_STRINGIZE): Define.
20806 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
20808 * c-parse.in: save and restore warn_pointer_arith on __extension__
20809 along with pedantic.
20810 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
20811 Set the type of extension to itype rather than $<itype>1 kludge.
20812 * extend.texi (Alternate Keywords): Adjust documentation.
20813 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
20815 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
20817 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
20818 most assembler templates.
20820 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
20821 FP loads and stores.
20822 (following_call): Always return zero for the PA8000.
20823 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
20824 FP loads and stores.
20825 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
20827 * pa.h (BRANCH_COST): Define.
20829 * pa.md (return, return_internal): Use bve for PA2.0.
20831 * pa.md (fused multiply): Add variants which reduce height for the
20832 fused multiply, but which still generate 2 insns.
20833 (fnegabs): Similarly.
20835 * pa.md (subsi3): Turn into an expander. Create two anonymous
20836 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
20837 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
20839 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
20841 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
20843 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
20844 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
20846 * regclass.c (init_regs): Add "top_of_stack" as a garbage
20849 * flow.c (record_active_eh_regions): Terminate loop after finding
20850 the last insn in the last basic block.
20852 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20854 * config/c4x/c4x.md: Delete parallel instruction peepholes.
20856 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20858 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
20860 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20862 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
20863 splitting to not use output template.
20865 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20867 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
20868 * config/c4x/c4x.c (c4x_va_start): New function.
20870 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
20872 * genrecog.c (not_both_true): Handle correctly cases when called for
20873 tests with different positions in the insn.
20875 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20877 * machmode.h (HOST_PTR_PRINTF): Move from here ...
20879 * system.h (HOST_PTR_PRINTF): ... to here.
20881 * mips-tfile.c: Don't include machmode.h.
20883 * Makefile.in (MACHMODE_H): New variable. Update to use it.
20884 (mips-tfile.o): Don't depend on machmode.h.
20886 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20888 * haifa-sched.c (sched_analyze): Rename local variable `region' to
20889 avoid conflicts with typedef struct `region' at the top level scope.
20891 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
20893 * basic-block.h (basic_block): Add eh_beg, eh_end.
20894 * flow.c (entry_exit_blocks): Update.
20895 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
20896 Call new functions.
20897 (find_basic_blocks_1): Don't record eh_list at each bb. Use
20898 lists.c functions to allocate insn lists.
20899 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
20901 (make_eh_edge): ... here. New.
20902 (move_stray_eh_region_notes): New.
20903 (record_active_eh_regions): New.
20904 (delete_unreachable_blocks): Split out block merging ...
20905 (try_merge_blocks): ... here. New.
20906 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
20907 Dump debugging data.
20908 (merge_blocks_move_successor_nojumps): Likewise.
20909 (merge_blocks): Use eh_beg+eh_end to validate block movement.
20911 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20913 * extend.texi (Bound member functions): Document unbound pmf
20916 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20918 * flow.c (split_edge): Handle insertion on a fallthrough edge which
20919 has the EXIT_BLOCK as a dest.
20921 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20923 * flow.c (remove_edge): New function to remove an edge from the
20925 (remove_fake_successors): New function to remove fake successor edges.
20926 (remove_fake_edges): New function to remove all fake edges from the
20928 (add_fake_exit_edges): New function to add fake edges from all blocks
20929 with no successors to the exit block.
20930 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
20931 prototypes for new functions.
20933 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20935 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
20936 Use Pmode to determine whether to output .dword or .word.
20938 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
20940 * tree.c (built_in_filename): New variable.
20941 (BUILT_IN_FILENAME): New macro.
20942 (init_tree_codes): Allocate built_in_filename.
20943 (make_node): Use built_in_filename instead of string constant.
20945 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
20947 * configure.in: Add fr30 target.
20948 * configure: Regenerate.
20949 * config/fr30: New directory.
20950 * config/fr30/crti.asm: New file.
20951 * config/fr30/fr30.c: New file.
20952 * config/fr30/crtn.asm: New file.
20953 * config/fr30/fr30.h: New file.
20954 * config/fr30/fr30.md: New file.
20955 * config/fr30/lib1funcs.asm: New file.
20956 * config/fr30/t-fr30: New file.
20957 * config/fr30/xm-fr30.h: New file.
20959 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
20961 * flow.c (merge_blocks_move_successor_nojumps): Delete the
20962 BARRIER at the end of the successor, not the BARRIER before
20965 * pa.c (pa_add_gc_roots): Fix thinko in last change.
20967 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
20969 * stmt.c (any_pending_cleanups): Don't crash when
20970 current_function->stmt is unset.
20972 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20974 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
20975 other initializations that may use it for relative offsets.
20977 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20979 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
20980 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
20981 * config/i386/sol2dbg.h: Removed.
20982 * config/i386/sol2gas.h: New file, to enable gas work-around.
20983 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
20984 Don't use sol2dbg.h.
20985 * configure: Rebuilt.
20987 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
20989 * invoke.texi (-fthis-is-variable): Remove documentation.
20991 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
20993 * basic-block.h (compute_bb_for_insn): Declare.
20994 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
20995 to use; set size of basic_block_for_insn directly.
20996 (find_basic_blocks): Update.
20998 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21000 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
21002 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21004 * crtstuff.c (ON_EXIT): Delete empty macro definition.
21005 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
21007 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
21009 * c-decl.c (c_decode_option): Extend comment.
21011 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
21013 * toplev.c (progname): Make 'const char *'
21014 (flag_print_mem): Move out of main.
21015 (version_flag): Move out of main.
21016 (filename): Move out of main.
21017 (debug_args): Remove g prefix from options.
21018 (documented_lang_options): Remove cpplib specific options.
21019 (display_help): Add g prefix to debug options.
21020 (check_lang_option): Delete this function.
21021 (decode_d_option): New function: Decode -d... option.
21022 (decode_f_option): New function: Decode -f... option.
21023 (decode_W_option): New function: Decode -W... option.
21024 (decode_g_option): New function: Decode -g... option.
21025 (independent_decode_option): New function: Decode a language
21026 independent command line option.
21027 (main): Invoke lang_decode_option and then
21028 independent_decode_option on each command line option in
21031 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
21033 Revert this change. Gavin's patch to operand_equal_p is a better fix.
21034 * fold-const.c (fold_range_test): Do not try to fold the range
21035 test if the rhs or lhs has side effects.
21037 * basic-block.h (compute_flow_dominators): Declare.
21039 * gcse.c (alloc_code_hoist_mem): New function.
21040 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
21041 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
21042 (hoist_code, one_code_hoisting_pass): Likewise.
21043 (gcse_main): If optimizing for size, then hoist expressions
21044 computed in multiple dominated basic blocks.
21046 * gcse.c (invalid_nonnull_info): New function.
21047 (delete_null_pointer_checks): Likewise.
21048 * rtl.h (delete_null_pointer_checks): Declare.
21049 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
21051 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
21052 (merge-blocks_move_successor_nojumps): Likewise.
21053 (merge_blocks): Allow merging of some blocks, even if it requires
21054 physical movement of the blocks, but not if it requires new jumps.
21056 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
21057 Callers and prototype changed.
21058 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
21060 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21062 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
21063 -YP when both -p and -pg are present. From i386/sol2.h.
21065 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21067 * Makefile.in (distclean): Delete tm_p.h.
21068 * configure.in: Create a new file, "tm_p.h", from a list in
21069 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
21070 "i386/i386-protos.h".
21072 * alias.c: Include "tm_p.h".
21073 * c-typeck.c: Likewise.
21074 * calls.c: Likewise.
21076 * emit-rtl.c: Likewise.
21077 * explow.c: Likewise.
21078 * expmed.c: Likewise.
21079 * expr.c: Likewise.
21080 * final.c: Likewise.
21081 * flow.c: Likewise.
21082 * fold-const.c: Likewise.
21083 * function.c: Likewise.
21084 * gcse.c: Likewise.
21085 * global.c: Likewise.
21086 * haifa-sched.c: Likewise.
21087 * integrate.c: Likewise.
21088 * jump.c: Likewise.
21089 * local-alloc.c: Likewise.
21090 * loop.c: Likewise.
21091 * optabs.c: Likewise.
21092 * recog.c: Likewise.
21093 * reg-stack.c: Likewise.
21094 * regclass.c: Likewise.
21095 * regmove.c: Likewise.
21096 * reload.c: Likewise.
21097 * reload1.c: Likewise.
21098 * reorg.c: Likewise.
21099 * resource.c: Likewise.
21100 * stmt.c: Likewise.
21101 * stor-layout.c: Likewise.
21102 * toplev.c: Likewise.
21103 * tree.c: Likewise.
21104 * unroll.c: Likewise.
21105 * genattrtab.c (main): Make generated file include "tm_p.h".
21106 * genemit.c (main): Likewise.
21107 * genoutput.c (main): Likewise.
21108 * genrecog.c (main): Likewise.
21110 * i386.h: Delete all prototypes.
21111 * i386.c: Include "tm_p.h".
21112 (ix86_attr_length_default): Call constant_call_address_operand
21113 with correct number of arguments.
21114 * i386-protos.h: New file.
21115 * i386.md (unnamed patterns): Call constant_call_address_operand
21116 with correct number of arguments.
21117 (exception_receiver): Call load_pic_register with correct number
21120 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
21122 * c-pragma.c (mark_align_stack): Dereference the void* properly.
21124 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
21126 * rtl.h (insns_safe_to_move_p): New function.
21127 * loop.c (find_and_verify_loops): Use it.
21128 * rtlanal.c (insns_safe_to_move_p): Define it.
21130 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
21132 * c-pragma.c: Include ggc.h.
21133 * Makefile.in (c-pragma.o): Update.
21135 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21137 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
21138 (LIB_SPEC): Likewise.
21139 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
21140 Reindent -YP/-p/-pg.
21141 Copied from config/sparc/sol2.h.
21143 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
21145 * c-pragma.c (mark_align_stack): New.
21146 (init_pragma): New.
21147 * c-pragma.h (init_pragma): Declare it.
21148 * c-lex.c (init_parse): Call it.
21150 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21152 * configure.in: Pick up thread library on Solaris/x86 just
21153 like on Solaris/sparc.
21154 * configure: Rebuilt.
21156 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
21158 * rtl.h (global_rtx_index): New enum.
21159 (global_rtl): Change to array of rtx.
21160 (pc_rtx, cc0_rtx): Redefine accordingly.
21161 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
21162 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
21163 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
21164 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
21165 (const_int_rtx): Change to array of rtx.
21166 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
21168 * emit-rtl.c (global_rtl): Change to array of rtx.
21169 (const_int_rtx): Change to aray of rtx.
21170 (gen_rtx_CONST_INT): Redefine accordingly.
21171 (init_emit_once): Allocate and initialize global_rtl. Likewise
21172 for const_int_rtx. Add both as GC roots.
21173 * genattrtab.c (global_rtl): Update declaration.
21175 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
21177 * Makefile (USER_H): Add iso646.h back.
21179 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
21181 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
21182 zapping the LOG_LINKS of sched_before_next_call.
21184 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
21185 * pa.c (insn_refs_are_delayed): Renamed from
21186 insn_sets_and_refs_are_delayed.
21188 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
21190 * functiion.h (struct function): Add x_whole_function_mode_p.
21191 (retrofit_block): Declare.
21192 * function.c (retrofit_block): New function.
21193 (identify_blocks): Add assertions. Allow an incomplete set of
21194 block notes if we're still generating code for the function.
21195 * integrate.c: Include loop.h.
21196 (expand_inline_function): Call find_loop_tree_blocks to map block
21197 notes to blocks when in whole-function mode. Use retrofit_block
21198 to insert new BLOCKs for the inlined function, rather than
21200 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
21201 * Makefile.in (integrate.o): Depend on loop.h.
21203 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21205 * tree.h (warn_about_unused_variables): Declare.
21206 * stmt.c (warn_about_unused_variables): New function, split out
21208 (expand_end_bindings): Here.
21210 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
21212 * stmt.c (preserve_subexpressions_p): Don't crash when
21213 current_function->stmt is unset.
21215 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
21217 * stmt.c (expand_start_bindings): Allow callers to pass a flag
21218 indicating that no NOTE_INSN_BLOCK_BEG note is required.
21219 (expand_start_target_temps): Use it.
21220 * except.c (expand_eh_region_start_for_decl): Likewise.
21221 * expr.c (expand_expr): Likewise.
21223 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21225 * fold-const.c (operand_equal_p): Pay attention to side effects.
21227 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
21229 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
21230 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
21232 * tlink.c (scan_linker_output): Look for keywords before accepting
21233 a mangled name in quotes.
21235 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
21237 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
21238 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
21240 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
21242 * alpha.md: Revert Thu Nov 26 change that came in through the
21243 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
21244 Avoid earlyclobber when possible.
21246 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21248 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
21250 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
21251 Define HAVE_ON_EXIT.
21253 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21255 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
21256 CTYPE_CONV in all ctype macros.
21258 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
21261 * cexp.y (initialize_random_junk): Likewise.
21263 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
21265 * i370.c (handle_pragma): Likewise.
21267 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
21269 * v850.c (override_options): Likewise.
21271 * doprint.c (_doprnt): Likewise.
21273 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
21276 * fixinc/server.c (load_data): Likewise.
21278 * fold-const.c (real_hex_to_f): Likewise.
21280 * genattr.c (write_upcase, gen_attr): Likewise.
21282 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
21283 write_upcase): Likewise.
21285 * genemit.c (print_code): Likewise.
21287 * genopinit.c (gen_insn): Likewise.
21289 * genpeep.c (print_code): Likewise.
21291 * genrecog.c (print_code): Likewise.
21293 * optabs.c (init_libfuncs): Likewise.
21295 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
21297 * haifa-sched.c (sched_analyze): Keep the list of notes organized
21299 (reemit_notes): Likewise.
21301 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
21303 * ggc.h (ggc_root): Move to ggc-common.c.
21305 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
21306 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
21307 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
21308 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
21309 * ggc-common.c (ggc_root): Move from ggc.h.
21310 (roots): Declare, static.
21311 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
21312 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
21313 null or check/set mark bit.
21314 (ggc_mark_roots): New.
21315 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
21317 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
21319 * m32r.c: Include toplev.h.
21320 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
21321 (gen_compare): Rename swap_p to must_swap to match uses.
21322 Add default abort case.
21323 (m32r_output_function_epilogue): Remove unused variables.
21324 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
21325 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
21326 define to empty parameter list. Update all uses.
21327 (predicate decls): Use enum machine_mode not int.
21328 * m32r.md (movsi): Call abort, not fatal_insn.
21329 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
21331 1999-09-14 Andrew Haley <aph@cygnus.com>
21333 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
21334 use $0 instead of 0.
21336 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21338 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
21339 computation out of loop over hard regs.
21341 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
21343 * function.c (identify_blocks): Don't shadow a variable in an
21345 * integrate.c (integrate_decl_tree): Don't use pushlevel,
21346 pushdecl, or poplevel to build up the new BLOCK tree.
21347 (expand_inline_function): Likewise.
21348 (integrate_parm_decls): Likewise.
21350 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
21352 * c-typeck.c (qualify_type): Merge qualifiers from both types.
21354 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
21356 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
21357 * invoke.texi: Document this change.
21359 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
21361 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
21363 (mark_emit_status): Renamed from mark_emit_state.
21364 * except.c (mark_eh_status): Renamed from mark_eh_state.
21365 Check not null before marking.
21366 (free_eh_status): New.
21367 * expr.c (mark_expr_status, free_expr_status): New.
21368 * function.c (free_machine_status): New.
21369 (free_after_parsing): New.
21370 (free_after_compilation): Move bits to free_after_parsing; call
21371 free_eh_status, free_expr_status; zero the marked members of the
21373 (prepare_function_start): No can_garbage_collect.
21374 Call init_eh_for_function.
21375 (expand_dummy_function_end): Free up current_function state.
21376 (mark_function_status): Renamed from mark_function_state.
21377 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
21378 * function.h (struct function): No can_garbage_collect.
21379 (free_machine_status, free_after_parsing): Declare.
21380 (free_eh_status, free_expr_status): Declare.
21381 * ggc.h (mark_expr_status): Declare.
21382 * stmt.c (free_stmt_status): Free the struct.
21383 (mark_stmt_status): Renamed from mark_stmt_state.
21384 (init_stmt): Don't call init_eh.
21385 (init_stmt_for_function): Don't call init_eh_for_function.
21386 * toplev.c (compile_file): Call init_eh.
21387 (rest_of_compilation): Free basic block info before ggc_collect.
21388 Call free_after_parsing; conditionally call free_after_compilation.
21389 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
21390 Check not null before marking.
21391 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
21393 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
21395 * c-lex.c (yylex): Initialize warn.
21397 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
21399 * pa.c (emit_move_sequence): Properly set the mode of the scratch
21400 register when performing secondary reloads for the SAR register.
21402 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
21404 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
21405 (NOTE_BLOCK): New macro.
21406 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
21407 * function.h (identify_blocks): Change prototype.
21408 * function.c (identify_blocks): Simplify.
21409 (reorder_blocks): Likewise.
21410 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
21411 NOTE_INSN_BLOCK_{BEG,END}.
21412 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
21413 the list of saved notes if the note isn't a
21414 NOTE_INSN_BLOCK_{BEG,END}.
21415 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
21417 (reemit_notes): Adjust recreation of notes to reflect new saved
21419 * print-rtl.c (print_rtx): Print the address of the BLOCK when
21420 printing a block note.
21421 * stmt.c (block_vector): Remove.
21422 (find_loop_tree_blocks): Simplify.
21423 (unroll_block_trees): Likewise.
21424 * tree.h (reorder_block): Change prototype.
21426 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
21428 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
21429 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
21430 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
21431 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
21432 (atexit, exit): Simplify.
21433 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
21434 * config/lots: Remove defns of HAVE_ATEXIT.
21436 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
21438 * calls.c (precompute_arguments): Fix typo in comment.
21439 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
21442 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
21444 * dsp16xx.c (override_options): Fix typos in GC root registration.
21446 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
21448 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
21449 from config/svr4.h.
21450 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
21451 (FUNCTION_PROFILER): Redefine appropriately for Linux.
21452 (CC1_SPEC): Likewise.
21454 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21456 * genattr.c (main): Add extern prototype. Call return, not exit.
21457 * genattrtab.c (main): Likewise.
21458 * gencheck.c (main): Likewise.
21459 * gencodes.c (main): Likewise.
21460 * genconfig.c (main): Likewise.
21461 * genemit.c (main): Likewise.
21462 * genextract.c (main): Likewise.
21463 * genflags.c (main): Likewise.
21464 * gengenrtl.c (main): Likewise.
21465 * genopinit.c (main): Likewise.
21466 * genoutput.c (main): Likewise.
21467 * genpeep.c (main): Likewise.
21468 * genrecog.c (main): Likewise.
21470 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
21471 * genattrtab.c (get_insn_name): Likewise.
21472 * gencodes.c (get_insn_name): Likewise.
21473 * genconfig.c (get_insn_name): Likewise.
21474 * genemit.c (get_insn_name): Likewise.
21475 * genextract.c (get_insn_name): Likewise.
21476 * genflags.c (get_insn_name): Likewise.
21477 * genopinit.c (get_insn_name): Likewise.
21478 * genpeep.c (get_insn_name): Likewise.
21480 * gencheck.c (usage): Add static prototype.
21481 * genextract.c (print_path): Constify a char*.
21482 * genopinit.c (optabs): Likewise.
21483 * genoutput.c (operand_data, data, output_predicate_decls,
21484 compare_operands): Likewise.
21485 * genrecog.c (write_tree): Add default case in switch.
21487 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21489 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
21491 * print-rtl.c (get_insn_name): Remove prototype.
21493 * toplev.h (progname): Declare const.
21495 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
21496 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
21497 dump_sched_info, dump_local_alloc, regset_release_memory,
21498 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
21499 error_with_file_and_line, error_with_decl, error_for_asm, error,
21500 fatal, warning_with_file_and_line, warning_with_decl, warning,
21501 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
21502 Remove redundant prototypes.
21504 (notice, check_lang_option, report_file_and_line, vnotice,
21505 mark_file_stack): Add static prototype.
21506 (set_fatal_function): Add prototype.
21507 (vnotice, report_file_and_line, set_fatal_function,
21508 check_lang_option): Constify a char*.
21509 (main): Prototype. Call return, not exit.
21511 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21513 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
21515 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
21517 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
21519 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
21521 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21523 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
21524 behave as if it's zero in all cases.
21525 (expand_function_start): Adjust call to assign_parms.
21526 * tree.h (assign_parms): Adjust prototype.
21527 * objc/objc-act.c (hack_method_prototype): Adjust call to
21530 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
21532 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
21533 arg_pointer_rtx fixed if the argument pointer register is
21535 (NONZERO_BASE_PLUS_P): Likewise.
21537 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
21539 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
21540 match_insn2 to match_insn.
21541 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
21543 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
21545 * Makefile.in (USER_H): Remove va-foo.h.
21547 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
21548 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
21549 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
21550 va-spur.h,va-v850.h}: Remove.
21552 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
21554 * sparc/sparc.md (eligible_for_return_delay): New attribute.
21555 (in_return_delay): Use it instead of match_insn.
21557 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21559 * config/alpha/va_list.h (va-alpha.h): Do not include.
21560 (__gnuc_va_list): Typedef as in varargs.h.
21562 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
21564 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
21565 DECL_LIVE_RANGE_RTL.
21567 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
21569 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
21570 not NOTE_BLOCK_NUMBER.
21571 (expand_eh_region_end): Likewise.
21572 (find_exception_handler_labels): Likewise.
21573 (scan_region): Likewise.
21574 (exception_optimize): Likewise.
21575 (update_rethrow_references): Likewise.
21576 (set_insn_eh_region): Likewise.
21577 * final.c (final_scan_insn): Likewise.
21578 * flow.c (make_edges): Likewise.
21579 * integrate.c (expand_inline_function): Likewise.
21580 * print-rtl.c (print_rtx): Likewise.
21582 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
21584 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
21585 terms of builtin functions and types.
21587 * mips.c (mips_build_va_list): New.
21588 (mips_va_start, mips_va_arg): New.
21589 * mips.h (BUILD_VA_LIST_TYPE): New.
21590 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21592 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
21593 (sh_build_va_list, sh_va_start, sh_va_arg): New.
21594 * sh.h (BUILD_VA_LIST_TYPE): New.
21595 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21597 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
21599 * recog.h (struct recog_data): Make dup_num, operand_address_p,
21600 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
21601 (struct insn_data): Likewise with n_operands, n_dups,
21602 n_alternatives, output_format.
21603 * regclass.c (scan_one_insn): Cast n_operands to int before
21604 arithmetic inside comparison.
21606 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
21608 * toplev.c (compile_function): Unconditionally emit nop.
21610 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21612 * haifa-sched.c (actual_hazard): Move declaration of variable
21613 `this_cost' into the scope where it is used.
21615 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21617 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
21618 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
21619 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
21621 * genrecog.c (make_insn_sequence): Call memset, not bzero.
21623 * jump.c (find_insert_position): Don't declare or define unless
21624 !HAVE_conditional_arithmetic.
21625 (returnjump_p_1, delete_prior_computation): Add static prototypes.
21627 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
21629 * recog.c (offsettable_address_p): Prototype function pointer.
21630 (preprocess_constraints): Call memset, not bzero.
21632 * tree.c (tree_node_kind_names): Constify a char*. Make static.
21633 (gcc_obstack_init): Don't declare.
21634 (fix_sizetype): Add static prototype.
21635 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
21636 (tree_cons): Call memset, not bzero.
21638 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
21639 definition in macro ASM_WEAKEN_LABEL.
21640 (mark_const_hash_entry): Add static prototype.
21642 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21644 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
21646 * unroll.c (find_common_reg_term, subtract_reg_term,
21647 loop_find_equiv_value): Add static prototypes.
21648 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
21649 (copy_loop_body): Remove unreachable break statement.
21651 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
21653 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
21655 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21657 Undo some changes from the gcc2 merge:
21658 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
21659 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
21663 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
21664 * emit-rtl.c (gen_lowpart_common): Disable optimization of
21665 initialized float-int union if the value is a NaN.
21667 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
21669 * gthr-win32.h: New file.
21671 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
21672 shared as a valid attribute.
21673 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
21674 * extend.texi: Document `shared' variable attribute.
21676 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
21678 * configure.in: Handle --enable-threads on FreeBSD.
21679 * configure: Rebuit.
21681 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21683 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
21685 * configure: Rebuilt.
21687 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
21688 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
21689 Rosimildo DaSilva <rdasilva@connecttel.com>
21691 * configure.in (m68k-*-rtemscoff*): Added.
21692 * configure.in (mips64orion-*-rtems*): Converted to ELF.
21693 * configure.in (sparc-*-rtemsaout*): Added as alias for old
21694 sparc-rtems configuration.
21695 * configure.in (sparc-*-rtemself*): Added.
21696 * configure.in (sparc-*-rtems*): Now ELF not a.out.
21697 * config/i386/rtems.h: Added comment.
21698 * config/sparc/rtemself.h: New file.
21700 * configure.in (m68k-rtemself): Added.
21701 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
21702 and DWARF_DEBUGGING_INFO.
21703 * config/m68k/crti.s: New file.
21704 * config/m68k/crtn.s: New file.
21705 * config/m68k/t-crtstuff: New file.
21706 * config/m68k/rtemself.h: New file.
21708 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
21709 global ctor/dtor and C++ exception handling.
21710 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
21711 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
21713 * config/i386/t-rtems-i386: New File.
21715 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
21717 * stmt.c (expand_end_case): Return right away if the case stack is
21720 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
21722 * Makefile.in (version.c): Remove rule incorrectly brought in from
21725 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
21727 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
21728 * msdos/top.sed: Take into account a prepended $(SHELL) to
21730 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
21732 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
21734 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21736 * regmove.c (fixup_match_1): Don't change an unchanging register.
21737 (stable_but_for_p): Renamed to:
21738 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
21739 Changed all callers.
21741 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
21743 * loop.c (strength_reduce): Don't call reg_used_between_p if the
21744 insn from BL2 is after the insn from BL.
21746 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
21748 * recog.h (INSN_OUTPUT_FORMAT_*): New.
21749 (struct insn_data): Merge `template' and `outfun' into `output'.
21750 Add `output_format'.
21751 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
21752 (struct data): Remove `outfun'; add `output_format'.
21753 (name_for_index): Remove declaration.
21754 (output_insn_data): Handle output formats.
21755 (process_template): Emit the bare array for @.
21756 (gen_expand, gen_split): Set output_format to NONE.
21757 * output.h (get_insn_template): Declare.
21758 * final.c (get_insn_template): New.
21759 (final_scan_insn): Use it.
21760 * toplev.c (compile_file): Likewise.
21762 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21763 * i860/i860.c (output_delayed_branch): Likewise.
21764 (output_delay_insn): Likewise.
21766 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21768 * rtl.c (obstack_alloc_rtx): Removed.
21770 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
21772 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
21774 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
21776 * i386.c (call_insn_operand): Reject const_int.
21777 (expander_call_insn_operand): Use call_insn_operand.
21779 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21781 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
21783 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
21785 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
21786 Use DImode operation.
21788 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
21790 * gcc.c: Include sys/resource.h.
21791 (report_times): New flag.
21792 (execute): If report_times is set, calculate and report the
21793 CPU time consumed by each subprocess.
21795 (rus, prus): New globals.
21796 (option_map): Add --time.
21797 (display_help): Document -time.
21798 (process_command): Set report_times if -time is given.
21799 Turn off -pipe if -time is given.
21801 * invoke.texi: Document new option -time.
21803 * configure.in: Check for getrusage. Check if we have to
21804 prototype getrusage.
21805 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
21806 * configure: Regenerate.
21807 * config.in: Regenerate.
21809 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
21811 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
21814 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
21816 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
21817 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
21818 (nan): Return _thenan_sf or _thenan_df as appropriate.
21819 (L_thenan_sf): Define _thenan_sf.
21820 (L_thenan_df): Define _thenan_df.
21822 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
21823 (DPBIT_FUNCS): Add _thenan_df.
21825 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
21827 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
21830 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21832 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
21835 (lang_specific_driver): Don't take a function pointer parameter.
21836 All callers changed.
21838 * gcc.c: Include gcc.h.
21839 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
21840 lang_specific_extra_outfiles, fatal): Don't declare.
21841 (multilib_defaults_raw): Constify.
21842 (read_specs): Call memset, rather than bzero.
21843 (main): Call return, not exit.
21844 (lookup_compiler): Call memcpy, not bcopy.
21845 (fatal): Make extern.
21847 * cppspec.c: Include gcc.h.
21848 (lang_specific_driver): Initialize variable `quote'. Constify a
21849 char*. All calls to the function pointer parameter now
21850 explicitly call `fatal'.
21852 * gccspec.c (lang_specific_driver): Include gcc.h.
21854 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
21856 * arm.c (note_invalid_constants): Use recog_data.operand_type
21859 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21861 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
21864 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
21865 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21866 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21867 reload_secondary_in_reload, reload_secondary_out_reload,
21868 reload_secondary_in_icode, reload_secondary_out_icode,
21869 reload_reg_rtx, reload_when_needed): Delete declarations.
21870 (struct reload): New structure.
21871 (rld): Declare new array.
21872 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
21873 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21874 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21875 reload_secondary_in_reload, reload_secondary_out_reload,
21876 reload_secondary_in_icode, reload_secondary_out_icode,
21877 reload_reg_rtx, reload_when_needed): Delete definitions.
21879 (whole file): Replace uses of the deleted arrays with uses of rld.
21880 * reload1.c (whole file): Replace uses of the deleted arrays with
21882 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
21883 explicit loops, not with bcopy.
21885 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
21887 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
21888 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
21889 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
21890 insn_name): Delete and consolidate into new structures.
21891 (insn_operand_predicate_fn): New.
21892 (insn_output_fn): New.
21893 (insn_gen_fn): New.
21894 (struct insn_operand_data): New.
21895 (struct insn_data): New.
21897 (OUT_FCN): Update for insn_data change.
21898 * builtins.c (expand_builtin_strlen): Likewise.
21899 (expand_builtin_memcmp): Likewise.
21900 * combine.c (make_extraction, simplify_comparison): Likewise.
21901 * cse.c (canon_reg, cse_insn): Likewise.
21902 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
21903 * expmed.c (store_bit_field, extract_bit_field): Likewise.
21904 (emit_store_flag): Likewise.
21905 * expr.c (convert_move, emit_block_move): Likewise.
21906 (clear_storage, emit_push_insn, expand_increment): Likewise.
21907 (do_store_flag): Likewise.
21908 * expr.h (GEN_FCN): Likewise.
21909 (insn_gen_function): Die.
21910 * final.c (final_scan_insn): Update for insn_data change.
21911 (output_asm_name): Likewise.
21912 * function.c (fixup_var_refs_1): Likewise.
21913 * loop.c (check_dbra_loop): Likewise.
21914 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
21915 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
21916 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
21917 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
21918 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
21919 * regmove.c (gen_add3_insn): Likewise.
21920 * reload.c (push_secondary_reload, combine_reloads): Likewise.
21921 (find_reloads, find_reloads_address_1): Likewise.
21922 (debug_reload_to_stream): Likewise.
21923 * reload1.c (emit_reload_insns, gen_reload): Likewise.
21924 * stmt.c (expand_end_case): Likewise.
21925 * toplev.c (compile_file): Likewise.
21927 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21928 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21930 * print-rtl.c (insn_name_ptr): Remove declaration.
21931 (get_insn_name): Declare.
21932 (print_rtx): Use it.
21933 * genoutput.c (insn_name_ptr): Remove.
21934 (next_operand_number): New.
21935 (struct operand_data): New.
21936 (null_operand, odata, odata_end): New.
21937 (struct data): Use struct operand_data.
21938 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
21939 (get_insn_name): Renamed from name_for_index.
21940 (output_prologue): Define NO_MD_PROTOTYPES.
21941 (output_predicate_decls): Break out from output_epilogue.
21942 Iterate over the operands list.
21943 (output_operand_data): Break out from output_epilogue. Emit
21944 just the operands list.
21945 (output_insn_data): Break out from output_epilogue. Emit just
21947 (output_epilogue): Remove.
21948 (output_get_insn_name): New.
21949 (constraints, op_n_alternatives, predicates, address_p): Die.
21950 (modes, strict_low, seen): Die.
21951 (scan_operands): Take new param `d' instead of writing to
21952 seven global variables.
21953 (compare_operands): New.
21954 (place_operands): New.
21955 (validate_insn_alternatives): Update for struct data change.
21956 (gen_insn): Don't zero or copy 7 global arrays. Update for
21957 scan_operands; call place_operands.
21958 (gen_peephole, gen_expand, gen_split): Likewise.
21959 (main): Update for new output routines.
21961 * genattr.c (insn_name_ptr): Remove.
21962 (get_insn_name): New function.
21963 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
21964 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
21965 * genrecog.c: Likewise.
21967 * alpha.md (adddi3): Make `pattern' array static.
21969 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21971 * config/c4x/c4x.h (c4x_rpts_cycles_string,
21972 c4x_cpu_version_string): Constify char *.
21973 * config/c4x/c4x.c (c4x_rpts_cycles_string,
21974 c4x_cpu_version_string): Likewise.
21976 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
21978 * tree.c (save_tree_status): Revert 10 Sep change.
21979 (restore_tree_status): Likewise. Call obstack_free with NULL
21980 before freeing the obstack proper.
21982 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
21984 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
21986 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
21987 surrounding context.
21989 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
21991 * tree.c (type_hash_canon): Put all types in the hash-table, when
21994 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
21996 * recog.h (struct recog_data, recog_data): New.
21997 (recog_foo variables): Kill.
21998 * recog.c (recog_operand, recog_operand_loc): Kill.
21999 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
22000 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
22001 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
22002 (recog_data): Define.
22003 (extract_insn): Update all recog_foo references to use recog_data.
22004 (preprocess_constraints, constrain_operands): Likewise.
22005 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
22006 * genattrtab.c (main): Likewise.
22007 * genextract.c (main): Likewise.
22008 * genoutput.c: Likewise.
22009 * genrecog.c (write_subroutine, main): Likewise.
22010 * local-alloc.c (block_alloc): Likewise.
22011 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
22012 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
22013 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
22014 * reload.c (find_reloads, find_reloads_toplev): Likewise.
22015 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
22016 (reload_cse_simplify_operands): Likewise.
22018 * arc/arc.c (arc_final_prescan_insn): Likewise.
22019 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
22020 * h8300/h8300.c (notice_update_cc): Likewise.
22021 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
22022 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22023 * mn10200/mn10200.c (notice_update_cc): Likewise.
22024 * mn10300/mn10300.c (notice_update_cc): Likewise.
22025 * romp/romp.c (update_cc): Likewise.
22026 * sparc/sparc.c (check_pic): Likewise.
22027 * v850/v850.c (notice_update_cc): Likewise.
22029 * genemit.c (main): Don't declare recog_operand.
22031 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
22033 * ggc.h (rtvec_def): Forward declare.
22034 (tree_node): Likewise.
22035 (ggc_root): Define.
22037 (ggc_set_mark_rtx): Add prototype.
22038 (ggc_set_mark_rtvec): Likewise.
22039 (ggc_set_mark_tree): Likewise.
22040 * ggc-simple.c (ggc_root): Don't define.
22041 (roots): Don't declare.
22042 (ggc_mark_rtx): Remove.
22043 (ggc_mark_rtvec): Likewise.
22044 (ggc_mark_tree): Likewise.
22045 (ggc_mark_varray): Likewise.
22046 (ggc_mark_tree_hash_table_entry): Likewise.
22047 (ggc_mark_tree_hash_table): Likewise.
22048 (ggc_set_mart_rtx): New function.
22049 (ggc_set_mark_rtvec): Likewise.
22050 (ggc_set_mark_tree): Likewise.
22051 (ggc_add_root): Remove.
22052 (ggc_add_rtx_root): Likewise.
22053 (ggc_remove_tree_root): Likewise.
22054 (ggc_add_string_root): Likewise.
22055 (ggc_add_tree_varray_root): Likewise.
22056 (ggc_add_tree_hash_table_root): Likewise.
22057 (ggc_del_root): Likewise.
22058 (ggc_mark_rtx_ptr): Likewise.
22059 (ggc_mark_tree_ptr): Likewise.
22060 (ggc_mark_string_ptr): Likewise.
22061 (ggc_mark_tree_varray_ptr): Likewise.
22062 (ggc_mark_tree_hash_table_ptr): Likewise.
22063 * ggc-common.c: New file.
22064 * Makefile.in (OBJS): Add ggc-common.o.
22065 (ggc-common.o): List dependencies.
22067 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
22069 * cppalloc.c (xstrdup): Use memcpy.
22070 * cpperror.c (cpp_print_containing_files): Don't use
22072 * cpplib.c (conditional_skip): Set temp->lineno.
22073 (do_endif): Make error message less obscure.
22074 (if_directive_name): New function.
22075 (cpp_get_token [case EOF]): Unwind the if stack and generate
22076 error messages for each unterminated conditional in this file.
22077 (parse_string): Do not behave differently if -traditional.
22079 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
22081 * builtins.c (expand_builtin_va_arg): Cope with an array-type
22082 va_list decomposing to pointer-type.
22083 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
22084 (rs6000_va_arg): Likewise.
22086 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
22088 * except.c (start_dynamic_handler): Compute size using
22089 STACK_SAVEAREA_MODE.
22091 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22093 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
22094 include directory headers. Don't define strrchr. Don't provide
22095 my_* replacement functions. Prefer PTR over `pointer_type'.
22096 Don't prototype system functions. Don't redefine getopt.
22098 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
22099 safe_read, safe_write, save_pointers, restore_pointers,
22100 is_id_char, in_system_include_dir, directory_specified_p,
22101 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
22102 find_corresponding_lparen, referenced_file_is_newer,
22103 save_def_or_dec, munge_compile_params, gen_aux_info_file,
22104 process_aux_info_file, identify_lineno, check_source,
22105 seek_to_line, forward_to_next_token_char, output_bytes,
22106 output_string, output_up_to, other_variable_style_function,
22107 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
22108 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
22109 find_static_definition, connect_defs_and_decs, add_local_decl,
22110 add_global_decls, needs_to_be_converted, visit_each_hash_node,
22111 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
22112 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
22113 scan_for_missed_items, edit_file, string_list_cons): Add static
22115 (standard_exec_prefix, target_machine, target_version,
22116 default_syscalls_dir, string_list, string_list_cons, find_file,
22117 do_cleaning): Constify a char*.
22118 (safe_read, safe_write): Use PTR, not a char*.
22119 (is_id_char): Take an int, not a char.
22120 (main): Add prototype. Call return, not exit.
22122 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
22124 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
22125 when comparing types.
22127 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
22129 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
22130 (strength_reduce): Release the varrays from the no-bivs early exit.
22132 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
22133 the loop over the registers.
22135 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
22137 (restore_tree_status): Check that instead when freeing the obstack.
22139 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
22141 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
22144 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22146 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
22147 operand size modifiers.
22149 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22151 * c-common.c (c_common_nodes_and_builtins): Don't build
22153 * c-common.h (enum c_tree_index and related accesor macros): Remove
22154 everything now declared in tree.h.
22155 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22156 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
22157 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
22158 (error_mark_node, void_type_node, char_type_node, integer_type_node,
22159 unsigned_type_node, ptr_type_node, va_list_type_node,
22160 integer_zero_node, null_pointer_node, integer_one_node): Delete.
22161 (init_decl_processing): Call build_common_tree_nodes and
22162 build_common_tree_nodes_2 instead of building their nodes here.
22163 Don't add roots for these nodes.
22164 * stor-layout.c (size_zero_node, size_one_node): Delete.
22165 (set_sizetype): Make a new node for bitsizetype each time.
22166 * tree.c (global_trees): New variable.
22167 (init_obstacks): Add a gc root for it.
22168 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22169 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
22170 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
22171 (build_common_tree_nodes): New function.
22172 (fix_sizetype): New function.
22173 (build_common_tree_nodes_2): New function.
22174 * tree.h (enum tree_index): New.
22175 (global_trees): Declare.
22176 Add accessor macros for all nodes now moved to global_trees.
22177 Delete their declarations.
22179 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
22181 * c-decl.c (finish_function): When processing a nested function,
22182 push and pop GC context around rest_of_compilation.
22184 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
22186 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
22187 Default ix86_arch to PROCESSOR_I386.
22188 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
22189 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
22190 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
22191 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
22192 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
22193 (EXTRA_SPECS): Remove deleted specs.
22195 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
22197 * function.c (assign_stack_local_1): Allocate from
22198 function->x_frame_offset, not frame_offset.
22200 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
22202 * ggc.h (lang_cleanup_tree): Remove.
22203 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
22204 * ggc-callbacks.c (lang_cleanup_tree): Remove.
22206 * c-decl.c (finish_struct): Use ggc_alloc to allocate
22207 TYPE_LANG_SPECIFIC when garbage collecting.
22208 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
22209 (lang_cleanup_tree): Remove.
22211 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22213 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
22214 * crtstuff.c: Not here.
22215 * dwarf2out.c: Or here.
22216 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
22219 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
22221 * function.h (free_after_compilation): Remove decl parameter.
22222 (free_varasm_status0: Likewise.
22223 (free_emit_status): Likewise.
22224 (free_stmt_status): Likewise.
22225 (free_after_compilation): Likewise.
22226 (init_lang_status): New variable.
22227 (free_lang_status): Likewise.
22228 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
22229 * function.c (init_lang_status): New variable.
22230 (free_lang_status): Likewise.
22231 (push_function_context_to): Don't set function::decl here.
22232 (free_after_copmilation): Make decl parameter implicit. Call
22233 free_lang_status if defined.
22234 (prepare_function_start): Call init_lang_status if defined.
22235 (init_function_start): Set function::decl here.
22236 * profile.c (output_func_start_profiler): Don't call pushdecl
22237 until we've actually started the function.
22238 * stmt.c (free_stmt_status): Make decl parameter implicit.
22239 * toplev.c (rest_of_compilation): Don't pass decl to
22240 free_after_compilation.
22241 * varasm.c (free_varasm_status): Likewise.
22243 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22245 * except.c (call_get_eh_context): Add root when allocating static
22248 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
22250 * arm.c: Include "ggc.h".
22251 (arm_add_gc_roots): New function.
22252 (arm_override_options): Call it.
22253 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
22255 * arm.md (define_asm_attributes): Add a pool_range attribute.
22257 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
22259 * extend.texi (Volatiles): New node.
22261 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
22263 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
22264 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
22265 (struct ggc_any): Replace `mark' with `magic_mark'.
22266 (ggc_alloc_string): Use memcpy, not bcopy.
22267 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
22268 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
22269 (ggc_free_any): New.
22270 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
22271 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
22272 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
22273 Use IS_MARKED. Use ggc_free_any.
22275 1999-09-09 Scott Bambrough <scottb@netwinder.org>
22277 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
22279 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
22281 * toplev.c (main): Always init_ggc.
22283 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
22285 * except.c (find_all_handler_type_matches): Free the list if
22286 we found no matches.
22288 * combine.c (SUBST): Break out to a real function do_SUBST.
22289 (SUBST_INT): Likewise.
22290 * gcse.c (free_pre_mem): Free `temp_bitmap'.
22291 (pre_insert): Free `inserted'.
22292 * loop.c (basic_induction_var): Always set `location'.
22294 * function.c (expand_function_end): Add initial_trampoline as a root.
22295 * rtl.h (init_varasm_once): Declare.
22296 * toplev.c (compile_file): Call it.
22297 * ggc-simple.c (ggc_mark_string_ptr): New.
22298 (ggc_add_string_root): New.
22299 (ggc_collect): Disable collection avoidance temporarily.
22300 * ggc.h (ggc_add_string_root): Declare.
22301 * except.c (create_rethrow_ref): Use ggc_alloc_string.
22302 * optabs.c (init_libfuncs): Likewise.
22303 * varasm.c (named_section): Use ggc_alloc_string.
22304 (make_function_rtl): Likewise.
22305 (make_decl_rtl): Likewise.
22306 (assemble_static_space): Likewise.
22307 (assemble_trampoline_template): Likewise.
22308 (output_constant_def): Likewise.
22309 (force_const_mem): Likewise.
22310 (mark_const_hash_entry): New.
22311 (mark_pool_sym_hash_table): New.
22312 (mark_varasm_state): Use it.
22313 (init_varasm_once): New.
22315 * expr.h (init_one_libfunc): Declare.
22316 * optabs.c (init_one_libfunc): New.
22317 (init_optabs): Use it.
22318 * config/gofast.h: Likewise.
22319 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
22320 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
22322 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
22324 * Makefile.in (cppexp.o): Depend on cpphash.h.
22325 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
22327 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
22328 * cpplib.c (do_define): Generalise to handle poisoned definitions,
22329 redefining poisoned identifiers, etc.
22330 (do_undef): Don't allow poisoned identifiers to be undefined.
22331 (do_pragma): Add #pragma poison.
22332 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22334 * cccp.c: Add T_POISON node type.
22335 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
22337 (do_define): Generalise to handle poisoned definitions,
22338 redefining poisoned identifiers, etc.
22339 (do_undef): Don't allow poisoned identifiers to be undefined.
22340 (do_pragma): Add #pragma poison.
22341 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22343 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
22344 * c-pragma.h: Add ps_poison state. We now always have generic
22347 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
22349 * ggc.h (ggc_alloc): New function.
22350 (ggc_mark): Likewise.
22351 * ggc-simple.c (ggc_any): New structure.
22352 (ggc_status): Add anys.
22353 (n_anys_collected): New variable.
22354 (ggc_alloc): Define.
22355 (ggc_mark): Likewise.
22356 (ggc_collect): Collect the anys.
22358 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22360 * c-decl.c (mark_binding_level): Make static to match prototype.
22362 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
22364 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
22366 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
22368 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
22369 will use into account. Expand the max width to 5.
22372 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
22374 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
22375 for the rtx length.
22377 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
22379 * alpha.md (call value patterns): Remove the result predicates.
22381 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
22383 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
22386 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22388 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
22389 changed from extern char *, to extern PTR. Also fix typo in
22390 NEED_DECLARATION_REALLOC test.
22392 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
22394 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22396 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
22397 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
22398 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
22399 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
22401 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
22403 * cccp.c (pcfinclude): Likewise.
22405 * global.c (allocno_compare): Likewise.
22407 * haifa-sched.c (rank_for_schedule): Likewise.
22409 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
22411 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
22413 * stupid.c (stupid_reg_compare): Likewise.
22415 * tree.c (_obstack_allocated_p): Likewise.
22417 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
22419 1999-09-08 Bruce Korb autogen@linuxbox.com
22421 * Makefile.in: Give the hapless gperf user a hint about
22422 why "gperf -F" fails.
22424 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
22426 * lists.c: Include ggc.h.
22428 (init_EXPR_INSN_LIST_cache): Install it.
22430 * ggc-simple.c (init_ggc): Absorb the old init.
22431 (ggc_push_context): Use xcalloc.
22432 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
22433 (ggc_collect): Add [rvts] tags to the collection stats.
22435 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
22437 * cccp.c (main): Fix handling of -include and -imacros options.
22439 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
22441 * cpplib.c (cpp_push_buffer): Fix order of arguments.
22443 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22445 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
22448 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22450 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
22451 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
22452 and SET_DEST. Update comment.
22454 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22456 * config/c4x/c4x.c: Include ggc.h.
22457 (c4x_add_gc_roots): New function.
22458 (c4x_override_options): Call c4x_add_gc_roots.
22460 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
22462 * defaults.h (TARGET_ESC): Move ...
22463 * system.h: ... here, where Linas had it in the first place. Silly me.
22465 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
22467 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
22468 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
22469 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
22470 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
22471 * defaults.h (TARGET_ESC): Add default.
22473 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
22475 * configure.in: add i370-*-openedition, i370-*-mvs and
22476 i370-*-linux targets
22478 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
22480 * dsp16xxx.c: Include ggc.h
22481 (override_options): Mark GC roots.
22482 * mn10200.c: Include ggc.h.
22483 (asm_file_start): Mark GC roots.
22484 * tahoe.c: Include ggc.h.
22485 (extensible_operand): Mark GC roots.
22487 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
22489 * README: Add section discussing status of ELF ABI.
22490 * i370.c: Fix misc spelling mistakes.
22491 (i370_label_scan): Updated notes, exception handling.
22492 (i370_function_prolog): Simplify ELF stack handling.
22493 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
22494 (STACK_GROWS_DOWNWARD): ELF stack grows down.
22495 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
22496 * i370.md: (movdi): Add notes.
22497 (floatsidf2): Use stack not rtca for scratch float area.
22498 (iorsi3): Correct operand constraints.
22499 * x-oe: Restore TAROUTOPTS which are used by pax.
22501 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
22503 * rs6000.c: Include ggc.h.
22504 (rs6000_add_gc_roots): New function.
22505 (override_options): Call it.
22507 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
22509 * alpha.h (alpha_compare): New.
22510 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
22511 * alpha.c: Likewise for the definitions.
22512 (alpha_emit_conditional_branch): Update for alpha_compare.
22513 (alpha_emit_conditional_move): Likewise.
22514 * alpha.md (cmpdf, cmpdi): Likewise.
22515 (setcc patterns): Likewise. Zero alpha_compare after use.
22516 (sne): Optimize (x != 0) into (0U < x).
22518 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
22520 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
22521 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
22522 (INIT_EXPANDERS): Remove.
22523 * alpha.c: Include ggc.h.
22524 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
22525 (alpha_init_machine_status, alpha_mark_machine_status): New.
22526 (override_options): Install them.
22527 (struct machine_function): Moved to alpha.h.
22528 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
22529 (alpha_init_expanders): Remove.
22530 (alpha_return_addr): Adjust to use current_function->machine.
22531 (alpha_ra_ever_killed): Likewise.
22532 (alpha_expand_epilogue): Likewise.
22533 * alpha.md (eh_epilogue): Likewise.
22535 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
22536 Melissa O'Neill <oneill@cs.sfu.ca>
22537 Geoffrey Keating <geoffk@cygnus.com>
22539 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
22540 call-used registers (call-saved registers must still be contiguous
22541 and end with r31, of course).
22543 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
22545 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
22546 (self_promoting_type_p): Delete.
22547 (self_promoting_args_p): Move ...
22548 * c-common.c: ... here.
22549 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
22550 (simple_type_promotes_to): New.
22551 * builtins.c (lang_type_promotes_to): New.
22552 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
22553 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
22554 * c-common.h: ... here.
22555 (self_promoting_args_p, simple_type_promotes_to): Declare.
22556 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
22557 (grokdeclarator): Likewise.
22558 * tree.h (lang_type_promotes_to): Declare.
22560 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
22562 Add some machine-dependent GC roots.
22563 * sparc.c: Include ggc.h.
22564 (sparc_add_gc_roots): New function.
22565 (mark_ultrasparc_pipeline_state): Likewise.
22566 (override_options): Call sparc_add_gc_roots.
22567 * pa.c: Include ggc.h.
22568 (pa_add_gc_roots): New function.
22569 (mark_deferred_plabels): Likewise.
22570 (override_options): Call pa_add_gc_roots.
22571 * mips.c: Include ggc.h.
22572 (mips_add_gc_roots): New function.
22573 (override_options): Use it.
22575 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22577 * cpperror.c (cpp_file_line_for_message): Constify a char*.
22579 * cppexp.c (parse_number, parse_charconst, cpp_lex,
22580 cpp_parse_expr): Add static prototypes.
22581 (parse_charconst): Don't cast away const-ness.
22582 (token): Constify a char*.
22584 * cppfiles.c (file_name_list, include_hash, find_include_file,
22585 finclude, initialize_input_buffer): Constify a char*.
22586 (file_cleanup, find_position): Add static prototypes.
22588 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
22589 collect_expansion): Add static prototypes.
22590 (cpp_install, create_definition, monthnames): Constify a char*.
22592 * cpphash.h (cpp_install): Likewise.
22594 * cppinit.c (known_suffixes, default_include,
22595 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
22596 (base_name, dump_special_to_buffer, initialize_dependency_output):
22597 Add static prototypes.
22599 * cpplib.c (my_strerror): Constify a char*.
22600 (null_underflow, null_cleanup, skip_comment, copy_comment,
22601 copy_rest_of_line, handle_directive, pass_thru_directive,
22602 get_directive_token, read_line_number, cpp_print_file_and_line,
22603 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
22604 v_cpp_warning_with_line, detect_if_not_defined,
22605 consider_directive_while_skipping): Add static prototypes.
22606 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
22607 cpp_pedwarn_with_file_and_line): Constify a char*.
22609 * cpplib.h (cpp_options, include_hash, progname, definition,
22610 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
22611 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
22612 find_include_file, deps_output, include_hash): Constify a char*.
22614 * cppmain.c (progname): Constify.
22615 (main): Add prototype. Use return, not exit.
22617 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
22618 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
22619 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
22620 check_protection): Add static prototype.
22622 (progname, recognized_macrom, recognized_extern): Constify a char*.
22623 (main): Add prototype.
22625 * gen-protos.c (progname): Constify a char*.
22627 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
22629 * emit-rtl.c (free_emit_status): Take decl as a parameter.
22630 (init_emit_once): Add more GC roots.
22631 * except.c (mark_func_eh_entry): New function.
22632 (mark_eh_node): Mark false_label and rethrow_label.
22633 (init_eh): Add more GC roots.
22634 * function.c (free_after_compilation): Take decl as a paramter.
22635 Call free_stmt_status.
22636 (mark_function_state): Don't assume x_parm_reg_stack_loc is
22638 * function.h (free_after_compilation): Change prototype.
22639 (free_varasm_status): Likewise.
22640 (free_emit_status): Likewise.
22641 (free_stmt_status): New function.
22642 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
22643 Remove, replacing with ...
22644 (ggc_status): New structure.
22645 (ggc_chain): New variable.
22646 (init_gcc): Define.
22647 (ggc_push_context): New function.
22648 (ggc_pop_context): Likewise.
22649 (ggc_alloc_rtx): Adjust for use of ggc_chain.
22650 (ggc_alloc_rtvec): Likewise.
22651 (ggc_alloc_tree): Likewise.
22652 (ggc_alloc_string): Likewise.
22653 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
22654 (ggc_mark_tree): Give language-dependent code a chance to mark
22656 (ggc_mark_tree_varray): Handle empty arrays.
22657 (ggc_collect): Adjust for use of ggc_chain. Clear
22658 bytes_alloced_since_last_gc.
22659 * ggc.h (ggc_pop_context): New function.
22660 (ggc_push_context): Likewise.
22661 * print-tree.c (print_node): Don't print obstacks when GC'ing.
22662 * stmt.c (free_stmt_status): New function.
22663 (init_stmt_for_function): Clear last_expr_value.
22664 * toplev.c (rest_of_compilation): Always call free_after_compilation.
22665 Conditionalize call to ggc_collect.
22666 (main): Call init_ggc.
22667 * tree.c (push_obstacks): Do the push, even when GC'ing.
22668 (push_obstacks_nochange): Likewise.
22669 (pop_obstacks): Liekwise.
22670 * varasm.c (free_varasm_status): Take decl as a parameter.
22672 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
22674 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
22675 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
22676 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
22677 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
22679 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
22681 * pa/x-pa-mpeix: New file for the MPE port.
22683 * pa/quadlib.asm: New file for long double support.
22685 * configure.in: Add hppa1.0-*-mpeix for MPE port.
22686 * configure: Rebuilt.
22688 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
22690 * final.c (shorten_branches): Fix last change.
22692 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
22694 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
22696 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
22698 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
22701 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22703 * c-aux-info.c (concat): Don't define.
22705 * cccp.c (my_strerror): Likewise. All callers changed to use
22707 (do_include): Call xstrdup, not xmalloc/strcpy.
22708 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
22709 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
22711 * collect2.c (my_strsignal): Likewise. All callers changed to use
22713 (locatelib): Call xstrdup, not xmalloc/strcpy.
22715 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
22717 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
22719 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
22721 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
22723 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
22725 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
22727 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
22729 (find_all_handler_type_matches): Likewise. Don't check return
22731 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
22732 xmalloc, not malloc.
22733 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
22735 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
22736 (init_spec): Call xcalloc, not xmalloc/bzero.
22737 (set_spec): Call xstrdup, not save_string.
22738 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
22739 (find_a_file): Call xstrdup, not xmalloc/strcpy.
22740 (process_command): Call xstrdup, not save_string.
22741 (main): Call xcalloc, not xmalloc/bzero.
22743 * gcov.c (xmalloc): Don't define.
22744 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
22745 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
22746 (output_data): Call xcalloc, not xmalloc/bzero.
22748 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
22750 * mips-tdump.c (xmalloc): Don't define.
22751 (print_symbol): Call xmalloc, not malloc.
22752 (read_tfile): Call xcalloc, not calloc.
22754 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
22755 Don't define. All callers of xfree/my_strsignal changed to use
22756 free/strsignal instead.
22757 (allocate_cluster): Call xcalloc, not calloc.
22759 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
22760 Fix memory leak, free allocated memory.
22762 * prefix.c (translate_name): Call xstrdup, not save_string.
22763 (update_path): Likewise.
22765 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
22767 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
22768 Don't define. Callers of xfree/savestring2 changed to use
22769 free/concat instead.
22771 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
22772 (init_elim_table): Likewise.
22774 * resource.c (init_resource_info): Likewise.
22776 * stupid.c (stupid_life_analysis): Likewise.
22778 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
22779 (open_dump_file): Call concat, not xmalloc/strcpy/...
22780 (clean_dump_file): Likewise.
22781 (compile_file): Call xstrdup, not xmalloc/strcpy.
22783 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
22785 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
22786 * v850.c (v850_va_arg): New.
22788 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22790 * haifa-sched.c: Tidy comments.
22792 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22794 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
22795 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
22796 $(out_object_file)): Depend on ggc.h.
22797 * c-common.c: Include "ggc.h".
22798 (combine_strings): If doing GC, use ggc_alloc_string.
22799 * c-decl.c: Include "ggc.h".
22800 (ggc_p): Define with value 0.
22801 (mark_binding_level): New function.
22802 (init_decl_processing): Add GC roots.
22803 (mark_c_function_context): New function.
22804 (lang_mark_false_label_stack): New function.
22805 (lang_mark_tree): New function.
22806 (lang_cleanup_tree): New function.
22807 * c-lang.c: Include "ggc.h".
22808 (lang_init): Call c_parse_init.
22809 * c-lex.c: Include "ggc.h".
22810 (check_linenum): If doing GC, don't copy filenames to permanent
22812 * c-parse.in: Include "ggc.h".
22813 (c_parse_init): New function.
22814 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
22815 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
22817 * except.c (mark_eh_state): Mark more state.
22818 * function.c (mark_function_state): Likewise.
22819 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
22820 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
22821 * toplev.c (mark_file_stack): New function.
22822 (compile_file): If doing GC, use ggc_alloc_string on input filename.
22823 (main): Add root for input_file_stack.
22825 * i386.c: Include "ggc.h".
22826 (ix86_mark_machine_status): New function.
22827 (override_options): Set mark_machine_status.
22829 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22831 * tree.c (copy_node): Copy node contents also if doing GC.
22833 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22835 * collect2.c (scan_libraries): Fix double-thinko :-).
22837 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
22839 * collect2.c (scan_libraries): Fix thinko.
22841 * cse.c (delete_trivially_dead_insns): Do not skip the last
22842 insn if it is a real insn.
22844 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
22846 * Makefile.in (ggc-simple.o): Depend on hash.h.
22847 * ggc.h (ggc_add_tree_hash_table_root): Declare.
22848 (ggc_mark_tree_varray): Likewise.
22849 (ggc_mark_tree_hash_table): Likewise.
22850 * ggc-simple.c: Include hash.h.
22851 (ggc_mark_tree_hash_table_ptr): New function.
22852 (ggc_mark_tree_hash_table_entry): Likewise.
22853 (ggc_mark_tree_hash_table): Likewise.
22854 (ggc_add_tree_hash_table_root): Likewise.
22855 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
22856 rtx, when defining fields.
22858 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22860 * profile.c (output_func_start_profiler): Remove apparently
22861 nonsensical call to start_sequence.
22863 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
22865 * clipper/clipper.c (clipper_va_start): Fix typos.
22867 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
22868 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
22869 (spur_va_arg): New stub.
22871 * configure.in: Comment out pyramid.
22873 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
22875 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
22876 don't conflict with the bits that win32, cygwin, and dgux
22879 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
22880 Bernd Schmidt <bernds@cygnus.co.uk>
22882 * integrate.c (function_cannot_inline_p): Do not inline
22883 functions with forced labels.
22885 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
22886 Bernd Schmidt <bernds@cygnus.co.uk>
22887 Mark Mitchell <mark@codesourcery.com>
22889 * Makefile.in (ggc-simple.o): Depend on varray.h.
22890 (rtl.o): Depend on ggc.h.
22891 (genattrtab.o): Depend on ggc.h.
22892 (print-tree.o): Likewise.
22893 (fold-const.o): Likewise.
22894 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
22895 (make_insn_raw): Don't cache insns when GC'ing.
22896 (emit_insn_before): Likewise.
22897 (emit_insn_after): Likewise.
22898 (emit_insn): Likewise.
22899 (start_sequence): Use xmalloc to allocate the sequence_stack.
22900 (end_sequence): Add free to free it.
22901 (gen_sequence): Don't cache insns when GC'ing.
22902 (clear_emit_caches): Don't use sequence_element_free_list.
22903 (init_emit): Use xcalloc, not xmalloc+bzero.
22904 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
22905 * function.c (pop_function_context_from): Use free to free the
22906 fixup_var_refs_queue.
22907 (put_reg_into_stack): Allocate it with xmalloc.
22908 * genattrtab.c: Include ggc.h.
22909 (operate_exp): Don't use obstack_free when GC'ing.
22910 (simplify_cond): Likewise.
22911 (simplify_text_exp): Likewise.
22912 (optimize_attrs): Likewise.
22913 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
22915 (gencode): Generate a #include for ggc.h.
22916 * ggc-callbacks.c (ggc_p): Define it to zero.
22917 * ggc-none.c (ggc_p): Likewise.
22918 * ggc-simple.c: Include varray.h.
22919 (ggc_mark_tree_varray): New function.
22920 (ggc_add_tree_varray_root): Likewise.
22921 (ggc_mark_tree_varray_ptr): Likewise.
22922 * ggc.h (ggc_p): Declare.
22923 (varray_head_tag): Likewise.
22924 (ggc_add_tree_varray_root): Declare.
22925 * print-tree.c (print_node): Don't check for TREE_PERMANENT
22926 inconsistencies when GC'ing.
22927 * rtl.c: Include ggc.h.
22928 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
22929 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
22930 (rtx_free): Don't call obstack_free when GC'ing.
22931 * toplev.c (rest_of_compilation): Call ggc_collect after every
22933 * tree.c (push_obstacks): Do nothing, if GC'ing.
22934 (pop_obstacks_nochange): Likewise.
22935 (pop_obstacks): Likewise.
22936 (make_node): Use ggc_alloc_tree when GC'ing.
22937 (copy_node): Likewise.
22938 (get_identifier): Use ggc_alloc_string when GC'ing.
22939 (build_string): Likewise.
22940 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
22941 (tree_cons): Likewise.
22942 (build1): Likewise.
22943 (type_hash_canon): Don't call obstack_free when GC'ing.
22945 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
22947 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
22948 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
22950 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
22951 Bernd Schmidt <bernds@cygnus.co.uk>
22952 Mark Mitchell <mark@codesourcery.com>
22954 * Makefile.in (stor-layout.o): Depend on ggc.h.
22955 (expr.o): Depend on ggc.h.
22956 (profile.o): Depend on ggc.h.
22957 (stor-layout.o): Depend on ggc.h.
22958 * emit-rtl.c (init_emit_once): Add gc roots.
22959 * expr.c: Include ggc.h.
22960 (emit_block_move): Add gc roots.
22961 (clear_storage): Likewise.
22962 * expr.h (init_stor_layout_once): New function.
22963 * profile.c: Include ggc.h.
22964 (init_arc_profiler): profiler_label is a root.
22965 * scan.c (make_sstring_space): Trust xrealloc to function
22966 correctly with first parameter NULL.
22967 * stor-layout.c: Include ggc.h.
22968 (set_sizetype): Add gc root.
22969 (init_stor_layout_once): New function.
22970 * toplev.c (compile_file): Call it.
22972 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
22973 Bernd Schmidt <bernds@cygnus.co.uk>
22974 Mark Mitchell <mark@codesourcery.com>
22976 * Makefile.in (tree.o): Depend on ggc.h.
22977 (varasm.o): Likewise.
22978 (function.o): Likewise.
22979 (stmt.o): Likewise.
22980 (except.o): Likewise.
22981 (optabs.o): Likewise.
22982 (emit-rtl.o): Likewise.
22983 * emit-rtl.c: Include ggc.h.
22984 (sequence_element_free_list): Remove, and all references.
22985 (mark_sequence): New functions.
22986 (mark_emit_state): New function.
22987 * except.c: Include ggc.h.
22988 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
22989 (mark_tree_label_node): New functions.
22990 (mark_eh_state): New function.
22991 * function.c: Include ggc.h.
22992 (mark_temp_slot, mark_function_chain): New functions.
22993 (mark_function_state): New function.
22994 (init_function_once): New function.
22995 * function.h (init_function_once): New function.
22996 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
22997 * ggc.h (label_node): Declare.
22998 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
22999 (lang_mark_false_label_stack): New function.
23000 (mark_temp_slot): Remove declaration.
23001 (mark_function_chain): Likewise.
23002 (mark_eh_state): Adjust prototype.
23003 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
23005 * optabs.c: Include ggc.h.
23006 (mark_optab): New function.
23007 (init_optabs): Add gc roots.
23008 * stmt.c: Include ggc.h.
23009 (mark_cond_nesting, mark_loop_nesting): New functions.
23010 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
23011 (mark_stmt_state): New function.
23012 * toplev.c (compile_file): Call init_function_once.
23013 * tree.c: Include ggc.h.
23014 (type_hash): Move declaration earlier in file.
23015 (TYPE_HASH_SIZE, type_hash_table): Likewise.
23016 (init_obstacks): Add gc roots.
23017 (mark_type_hash): New function.
23018 * varasm.c: Include ggc.h.
23019 (mark_pool_constant): New function.
23020 (mark_varasm_state): New function.
23022 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23024 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
23026 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23028 * c-decl.c (struct language_function): Renamed from struct c_function.
23030 (c_function_chain): Delete.
23031 (push_c_function_context): New arg F. Don't warn about nested
23032 functions here. Fill LANGUAGE elt of F. Delete code to update
23033 c_function_chain. Don't call push_function_context.
23034 (pop_c_function_context): New arg F. Restore from there instead of
23035 from c_function_chain. Don't call pop_function_context. Clear out
23036 LANGUAGE field of F when done.
23037 * c-lang.c: Include "function.h"
23038 (lang_init): Initialize save_lang_status and restore_lang_status.
23039 * c-parse.in (nested_function, nested_function_notype): Warn about
23040 nested functions. Call push_function_context/pop_function_context
23041 instead of the _c_ variants.
23042 * c-tree.h (push_c_function_context, pop_c_function_context): Update
23044 * Makefile.in (c-lang.o): Update dependencies.
23046 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
23047 regno_pointer_flag, regno_pointer_align.
23048 (gen_reg_rtx): Use xrealloc to enlarge them.
23049 (free_emit_status): New function.
23050 * function.c (mark_machine_status, mark_lang_status): New variables.
23051 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
23052 in some bits from assign_stack_local. All callers changed to use new
23054 (assign_stack_local): Just call assign_stack_local_1.
23055 (free_after_compilation): New function.
23056 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
23057 (trampoline_address): Likewise.
23058 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
23059 (prepare_function_start): Explicitly clear some more variables.
23060 * function.h (struct function): New elt can_garbage_collect.
23061 (mark_machine_status, mark_lang_status): Declare variables.
23062 (free_after_compilation, free_emit_status, free_varasm_status,
23063 init_varasm_status): Declare functions.
23064 * toplev.c (rest_of_compilation): Call free_after_compilation when
23065 done with the current function.
23066 * varasm.c (free_varasm_status): New function.
23068 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
23070 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
23071 (EXPAND_BUILTIN_VA_ARG): Define.
23072 * sparc.c (sparc_va_start): New.
23073 (sparc_va_arg): New.
23075 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23077 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
23079 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23081 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
23083 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
23085 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
23086 (OBJS): Add $(GGC).
23087 (ggc-callbacks.o): New target.
23088 * ggc-callbacks.c: New file.
23090 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23092 * expr.h: Collapse individual optab and libfunc vars to arrays.
23093 (optab_index, libfunc_index): New enumerations.
23094 (optab_table, libfunc_table): New arrays.
23095 Add accessor macros for both.
23097 * optabs.c (optab_table, libfunc_table): New.
23098 Delete declarations for individual optab and libfunc vars.
23100 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
23102 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
23104 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
23106 * Makefile.in (GGC, GGC_LIB): New.
23107 (HOST_RTL): Include ggc-none.o.
23108 (ggc-simple.o): New target.
23109 (ggc-none.o): Likewise.
23110 * tree.h (tree_common): Add gc_mark.
23111 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
23112 (struct rtvec_def): Add gc_mark.
23113 * emit-rtl.c (global_rtl): Update static initializers to contain
23114 enough initializers.
23115 * ggc.h, ggc-none.c, ggc-simple.c: New files.
23116 * toplev.c (gc_time): New variable.
23117 (all_time): New variable.
23118 (compile_file): Print gc time.
23119 (print_time): Calculate percentage of the whole.
23121 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23123 Change obstack memory management and varasm constant pool handling so
23124 that nested functions are treated like any other functions.
23125 * function.c (init_machine_status): New variable.
23126 (push_function_context_to): Set contains_functions for the outer
23127 function. Don't call save_varasm_status.
23128 (pop_function_context_from): Don't call restore_varasm_status. Don't
23129 set current_function_contains_functions.
23130 (prepare_function_start): Call init_varasm_status rather than
23131 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
23133 * function.h (struct function) Add field varasm. Delete fields
23134 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
23135 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
23136 (init_machine_status): Declare.
23137 (save_varasm_status, restore_varasm_status): Delete declarations.
23138 (save_tree_status, restore_tree_status): Delete last argument.
23139 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
23140 code. All callers changed.
23141 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
23142 save_constants_in_decl_trees, restore_constants, save_constants,
23143 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
23145 (inlining): New variable.
23146 (reg_map, label_map, insn_map, orig_asm_operands_vector,
23147 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
23149 (save_for_inline_nocopy): Don't save constants.
23150 Don't set inl_emit field in current_function.
23151 (expand_inline_function): Use emit field, not inl_emit, of the inlined
23152 function. Set new variable inlining before
23153 calling copy_rtx_and_substitute.
23154 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
23155 constant pool references if inlining is nonzero.
23156 Delete ADDRESS and (most of the) CONST cases.
23157 (output_inline_function): Save and restore current_function/
23158 current_function_decl. Delete restore_constants code. Don't call
23159 init_const_rtx_hash_table.
23160 * output.h (init_const_rtx_hash_table): Don't declare.
23161 * rtl.h (struct function): Declare.
23162 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
23163 * toplev.c (rest_of_compilation): Don't treat nested functions or
23164 functions containing them specially. Delete all code to deal with
23165 save_for_inline_copying.
23166 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
23167 inline_obstacks): Delete variables.
23168 (save_tree_status): Lose arg CONTEXT. All callers changed.
23169 Simply allocate a new function_maybepermanent_obstack for the new
23170 function, delete all the special cases.
23171 Don't save inline_obstacks.
23172 (restore_tree_status): Lose arg CONTEXT. All callers changed.
23173 Delete special handling for function_maybepermanent_obstack; simply
23175 Don't restore inline_obstacks.
23176 (permanent_allocation): Delete code that frees inline_obstacks.
23177 (print_inline_obstack_statistics): Delete function.
23178 (dump_tree_statistics): Don't call it.
23179 * varasm.c (struct varasm_status): New.
23180 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
23181 last_pool, pool_offset, const_double_chain): Delete global
23182 variables, replace with accessor macros.
23183 (immed_double_const): Don't walk const_double_chain outside a
23184 function, but don't treat nested functions specially anymore.
23185 (immed_real_const_1): Likewise.
23186 (clear_const_double_mem): Don't treat nested functions specially.
23187 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
23188 (save_varasm_status, restore_varasm_status): Delete functions.
23189 (init_varasm_status): New function.
23190 (force_const_mem): Don't treat nested functions specially.
23191 (find_pool_constant): Accept new arg F, search for constants in
23192 that function's pool rather than the current one. All callers
23194 (get_pool_constant_for_function, get_pool_mode_for_function): New
23197 * i386.c (init_386_machine_status): New function, mostly from
23198 clear_386_stack_locals.
23199 (struct machine_functions): Rename element names to avoid name
23201 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
23202 macros, replacing global variables.
23203 (clear_386_stack_locals, save_386_machine_status,
23204 restore_386_machine_status): Delete functions.
23205 (override_options): Initialize init_machine_status.
23206 * i386.h (INIT_EXPANDERS): Delete macro.
23207 (save_386_machine_status, restore_386_machine_status,
23208 clear_386_stack_locals): Delete declarations.
23210 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23212 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
23213 (doloop_begin): Simplify pattern and use emit_jump_insn.
23214 (doloop_end): Simplify pattern, switch operand order,
23215 and use emit_jump_insn.
23217 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23219 * function.h (struct function): Add new element LANGUAGE.
23220 (save_lang_status): Declare new variable.
23221 (restore_lang_status): Likewise.
23222 * function.c (save_lang_status): Define.
23223 (restore_lang_status): Likewise.
23224 (push_function_context_to): Call language-specific save function.
23225 (pop_function_context_from): Call language-specific restore function.
23227 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23229 * i386.md (movsf_1): Check REG_P before use of REGNO.
23230 (movdf_1): Likewise.
23231 (movxf_1): Likewise.
23232 (extendsfdf2): Likewise.
23233 (extendsfxf2): Likewise.
23234 (extenddfxf2): Likewise.
23236 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23238 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
23239 constants into memory.
23240 (c4x_shiftable_constant): New function.
23241 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
23242 (c4x_shiftable_constant): Declare.
23243 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
23244 ashlqi3_noclobber): Add new patterns and associated splitters.
23246 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
23248 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
23249 * dwarf2out.c (dwarf2out_frame_init): Likewise.
23250 * final.c (shorten_branches): Likewise.
23251 * global.c (global_alloc): Likewise.
23252 * haifa-sched.c (build_control_flow): Likewise.
23253 * stmt.c (check_for_full_enumeration_handling): Likewise.
23254 (estimate_case_costs): Likewise.
23256 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
23258 * rtl.h (RTL_CHECKC2): Fix typo in last change.
23260 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
23262 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
23263 (recompute_reg_usage): Likewise.
23264 * rtlanal.c (find_regno_fusage): Likewise.
23266 * rtl.c (rtl_check_failed_code1): New function.
23267 (rtl_check_failed_code2): New.
23268 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
23269 (RTL_CHECKC1, RTL_CHECKC2): New.
23270 (XC*): New accessor macros.
23271 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
23272 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
23273 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
23274 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
23275 (TRAP_*, RANGE_INFO_*): Likewise.
23277 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23279 * Makefile.in (tlink.o): Don't depend on toplev.h.
23281 * collect2.c (c_file, o_file, export_file, import_file, ldout,
23282 output_file, nm_file_name, ldd_file_name, strip_file_name,
23283 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
23284 add_prefix, prefix_from_env, prefix_from_string, do_wait,
23285 fork_execute, maybe_unlink, add_to_list,
23286 extract_init_priority, write_list, dump_list,
23287 dump_prefix_list, write_list_with_asm, write_c_file,
23288 write_c_file_stat, write_c_file_glob, scan_prog_file,
23289 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
23290 ignore_library, extract_string, notice, dump_file, target_machine,
23291 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
23292 read_file, print_load_command): Constify a char*.
23293 (fdopen, error, fatal, fatal_perror): Don't prototype.
23294 (my_strerror): Remove. All callers use xstrerror instead.
23295 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
23296 (main): Add prototype. Constify lots of char* ptrs. Change calls
23297 to xcalloc/strcpy/strcat/... to one call to concat.
23298 (main, scan_prog_file, scan_libraries): Use an intermediate
23299 `const char **' to build an argv array.
23300 (mapfile, libselect, libcompare, locatelib): Add prototypes.
23302 * collect2.h (collect_execute, collect_wait, dump_file,
23303 file_exists): Constify a char*.
23304 (ldout, c_file_name, temporary_obstack, permanent_obstack,
23305 temporary_firstobj, vflag, debug): Add extern declarations.
23306 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
23308 * tlink.c: Don't include toplev.h.
23309 (vflag, debug, ldout, c_file_name, temporary_obstack,
23310 permanent_obstack, temporary_firstobj): Don't declare.
23311 (tlink_execute, frob_extension, symbol_hash_lookup,
23312 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
23313 recompile_files, read_repo_files, demangle_new_symbols,
23314 scan_linker_output): Constify a char*.
23315 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
23316 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
23318 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
23320 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
23321 (relative) rather than jsr (absolute) subroutine call insns.
23322 * config/m68k/m68k-coff.h: Ditto.
23324 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
23326 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
23327 now rework these too.
23328 (arm_reorg): If an insn can't reach the end of the current pool,
23329 ensure that we emit that pool before the insn.
23331 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
23333 * tlink.c (scan_linker_output): Skip the initial underscore in
23334 a mangled name if appropriate.
23336 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23338 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
23339 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
23340 error_with_ivar, gen_declarator, create_builtin_decl,
23341 my_build_string, generate_descriptor_table, generate_ivars_list,
23342 generate_dispatch_table, check_protocols, TAG_GETCLASS,
23343 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
23344 dump_base_name, lang_decode_option, build_encode_expr,
23345 start_class, finish_class, encode_pointer, really_start_method,
23346 gen_declaration, dump_interface, handle_class_ref, handle_impent):
23348 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
23349 Add static prototypes.
23350 (build_objc_string_decl, build_selector_reference_decl,
23351 encode_bitfield, build_class_reference_decl): Remove unused
23352 parameter, all callers changed.
23353 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
23354 (objc_printable_name): Likewise. Change second parameter to type int.
23355 (init_objc): Use memcpy, not bcopy, to avoid casts.
23357 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
23359 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
23360 reg notes on a deleted insn.
23361 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
23363 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
23365 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
23367 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23369 * stmt.c (expand_asm_operands): Fix index into inout_mode when
23372 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
23374 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
23375 * tm.texi (MD_ASM_CLOBBERS): Document it.
23377 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
23379 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
23380 * except.c (expand_rethrow): Remove unused variable.
23381 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
23382 * flow.c (replace_insns): Likewise.
23383 (create_edge_list, verify_edge_list): Likewise.
23384 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
23386 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
23387 is special code to run.
23388 (main): Don't define operands to emit_operand.
23389 * genrecog.c (main): Don't emit an empty peephole2_insn function.
23391 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
23393 * alpha/alpha.h (normal_memory_operand): Declare.
23394 (reg_no_subreg_operand): Declare.
23395 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
23397 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
23399 * c-parse.in (compstmt_primary_start): New, broken out of first
23400 part of compstmt handling in primary.
23401 (primary): Use it. Add an error clause.
23402 (compstmt_nostart): Renamed from compstmt; remove all
23403 initial invocations of compstmt_start.
23406 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
23408 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
23411 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
23413 * combine.c (simplify_shift_const): Remove extra semicolon.
23414 * dwarf2out.c (remove_AT): Likewise.
23415 * expmed.c (expand_mult): Likewise.
23416 * gcov.c (create_program_flow_graph): Likewise.
23417 * reorg.c (mostly_true_jump): Likewise.
23419 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
23421 * fold-const.c (fold_range_test): Do not try to fold the range
23422 test if the rhs or lhs has side effects.
23424 * combine.c (simplify_rtx): Recognize another case of a synthesized
23427 * varasm.c (mark_constant_pool): When marking indirect references,
23428 only look at SYMBOL_REFs.
23430 * except.c (expand_fixup_region_end): Do not peek at
23431 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
23433 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
23435 * flags.h: New variables align_loops, align_loops_log,
23436 align_jumps, align_jumps_log, align_labels, align_labels_log,
23437 align_functions, align_functions_log.
23438 * toplev.c: Define them.
23439 (f_options): Handle -falign-* when they have no argument.
23440 (main): Add logic to set variables for -falign-functions,
23441 -falign-jumps, -falign-labels, -falign-loops.
23442 Make it -fsched-verbose=<n> and -finline-limit=<n>.
23443 (display_help): Change help to match options.
23444 * final.c (LABEL_ALIGN): Default to align_labels_log.
23445 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
23446 (LOOP_ALIGN): Default to align_loops_log.
23447 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
23448 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
23449 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
23450 * varasm.c (assemble_start_function): Handle align_functions.
23452 * config/sparc/sparc.h: Don't declare sparc_align_*.
23453 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
23454 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
23456 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
23458 * config/sparc/sparc.c: Delete sparc_align_loops,
23459 sparc_align_jumps, sparc_align_funcs and the corresponding string
23461 (sparc_override_options): Default align_functions on ultrasparc.
23462 Delete -malign-* handling.
23464 * config/mips/mips.c (override_options): On 64-bit targets,
23465 try to align code to 64-bit boundaries.
23466 (print_operand): New substitution, %~,
23467 which aligns labels to align_labels_log.
23468 * config/mips/mips.md (div_trap_normal): Use %~.
23469 (div_trap_mips16): Likewise.
23471 (absdi2): Likewise.
23472 (ffssi2): Likewise.
23473 (ffsdi2): Likewise.
23474 (ashldi3_internal): Likewise.
23475 (ashrdi3_internal): Likewise.
23476 (lshrdi3_internal): Likewise.
23477 (casesi_internal): Likewise.
23479 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
23481 Merge new ia32 backend from the branch!
23483 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
23484 See ChangeLog.P2 on new_ia32_branch for details.
23486 * rtl.h (stack_regs_mentioned_p): Delete prototype.
23487 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
23488 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
23489 * i386/gas.h (ASM_FILE_START): Define.
23490 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
23491 for name change of ix86_valid_decl_attribute_p.
23492 (i386_pe_valid_type_attribute_p): Similarly.
23494 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
23496 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
23497 to step through CC modes.
23499 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23501 * regmove.c (fixup_match_1): Don't move INSN in front of P if
23502 it would end up in the shadow of a live flags regsiter.
23504 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23506 * reload1.c: Fix many indentation problems.
23507 * reload.c: Likewise.
23509 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
23511 * alias.c (non_local_reference_p): Constify fmt.
23513 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
23515 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
23517 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
23519 * cse.c (delete_trivially_dead_insns): Do not delete stores to
23520 the internal_arg_pointer.
23522 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
23524 Merge peephole2 from new_ia32_branch:
23525 * Makefile.in (STAGESTUFF): Add *.peephole2.
23526 (mostlyclean): Likewise.
23527 (recog.o): Depend on resource.h.
23529 * final.c (peephole): Conditionalize decl on HAVE_peephole.
23530 (final_scan_insn): Likewise for the invocation of peephole.
23531 * genconfig.c (main): Look for peephole and peephole2 patterns.
23532 Emit HAVE_peephole* accordingly.
23533 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
23534 * flags.h (flag_peephole2): Declare.
23535 * toplev.c: New pass peephole2. New flag -fpeephole2.
23537 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
23538 * gencodes.c (main): Likewise.
23539 * genextract.c (main): Likewise.
23540 * genoutput.c (main): Likewise.
23541 * genemit.c (max_operand_1): Look for the max scratch operand.
23542 (gen_rtx_scratch): New.
23543 (gen_exp): Use it, and pass on new arg subroutine_type.
23544 (gen_expand): Take max scratch into account.
23545 (gen_split): Emit peephole2 functions.
23546 (output_peephole2_scratch): New.
23547 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
23548 * genrecog.c (routine_type): Add PEEPHOLE2.
23550 (make_insn_sequence): Match outer parallel for peep2. Discard
23551 top level scratches and dups.
23552 (add_to_sequence): New args insn_type and top. Update all callers.
23553 Handle toplevel peep2 matching insns.
23554 (write_subroutine): Handle peep2.
23555 (write_tree_1): Likewise.
23556 (write_tree): Likewise.
23558 (change_state): New arg afterward. Update all callers.
23559 Handle matching separate insns.
23560 * recog.c (recog_next_insn): New.
23561 (peephole2_optimize): New.
23562 * rtl.def (DEFINE_PEEPHOLE2): New.
23563 * resource.c (find_free_register): New argument last_insn. Use it
23564 to find a register available through the entire span.
23565 * resource.h (find_free_register): Update prototype.
23567 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
23569 * i386.c (output_strlen_unroll): Don't write xops[7]
23570 label if it wasn't set.
23572 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
23574 * cpplib.c (struct directive): Const-ify name pointer and
23575 function pointer prototype.
23576 (validate_else, do_define, do_line, do_include, do_undef,
23577 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
23578 do_elif, do_endif, do_sccs, do_assert, do_unassert,
23579 do_warning): Const-ify second arg.
23580 (directive_table): Mark const. Reorder entries by frequency
23581 of usage, record statistics.
23583 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
23585 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
23586 bounds- check RTL accesses if --enable-checking.
23587 (RTVEC_ELT): Bounds check if --enable-checking.
23588 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
23589 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
23590 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
23592 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
23593 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
23595 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
23596 (NOTE_SOURCE_FILE): Use X0STR.
23597 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
23598 MEM_ALIAS_SET): Use X0INT.
23599 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
23600 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
23602 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
23603 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
23604 (rtl_check_failed_bounds, rtl_check_failed_type1,
23605 rtl_check_failed_type2, rtvec_check_failed_bounds): New
23607 (fancy_abort): Fix comment.
23609 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
23610 (cse_insn): Decrement LABEL_NUSES for jump target before
23611 deleting jump insn.
23612 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
23613 * final.c (alter_subreg): Compute regno before changing x to
23614 REG; set REGNO(x) after changing it.
23615 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
23616 notes containing CONST_INTs.
23617 (delete_eh_regions): Use NOTE_EH_HANDLER.
23618 * function.c (put_reg_into_stack): Make reg a MEM before
23620 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
23622 (gen_mem_addressof): Make reg a MEM before initializing it.
23623 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
23625 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
23626 deleting an insn, not after.
23627 (block_alloc): Only look at PATTERN(insn) if we have to, and
23628 only if it's format class 'i'.
23629 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
23630 CONST_INT before using its INTVAL.
23631 * print-rtl.c (print_rtx): Use X0STR.
23632 * regmove.c (fixup_match_1): Don't look at PATTERN of
23633 non-class-'i' insn chain elements.
23634 * reload.c (loc_mentioned_in_p): Take address of
23635 in->fld[1].rtx directly.
23636 * reload1.c (reload): Change reg to a MEM before initializing
23638 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
23640 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
23642 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
23644 * config/mips/mips.c (machine_dependent_reorg): Force a
23645 barrier to output the local constant pool if a barrier hasn't
23646 been found at a natural point in the instruction stream.
23648 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23650 * c-parse.in (language_string): Constify.
23652 * dwarf2out.c (language_string): Remove declaration.
23654 * dwarfout.c (language_string): Likewise.
23656 * toplev.c (language_string, init_parse, finish_parse): Likewise.
23658 * tree.h (language_string, init_parse, finish_parse): Declare.
23660 * i386/sun386.h (language_string): Remove declaration.
23662 * mips.h (language_string): Likewise.
23664 * nextstep.h (language_string): Likewise.
23666 * nextstep21.h (language_string): Likewise.
23668 * rs6000.c (language_string): Likewise.
23670 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23672 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
23673 (getpwd.o): Remove target.
23675 * getpwd.c: Delete file. Its in libiberty now.
23677 * dbxout.c (getpwd): Don't prototype.
23678 * dwarf2out.c (getpwd): Likewise
23679 * dwarfout.c (getpwd): Likewise
23680 * final.c (getpwd): Likewise.
23681 * protoize.c (getpwd): Likewise.
23683 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23685 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
23687 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
23689 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
23690 mark_set_resources.
23692 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
23694 * fixinc/Makefile.in (subdir): New.
23695 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
23698 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
23700 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
23701 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
23704 * invoke.texi: Fix typo.
23706 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
23707 changed. Handle autoincrement addressing modes.
23709 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
23710 just like we would the virtual incoming args register when
23713 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
23715 * rs6000.h (ASM_FILE_START): Specify complete filename, including
23716 path, in .file directive.
23718 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
23720 * gcc.texi (External Bugs): Remove obsolete note about Perl on
23723 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
23725 * stdbool.h: Make the typedef name _Bool, with bool a #defined
23728 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23730 * tree.c (tree_code_name): Constify a char*.
23732 * tree.h (tree_code_name, decl_printable_name): Likewise.
23734 * function.h (struct function): Likewise.
23736 * toplev.c (decl_name, decl_printable_name): Likewise.
23738 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
23740 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
23741 (init_objc): Remove function pointer cast.
23743 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23745 * pa.md (interspace_jump): New pattern.
23746 (builtin_longjmp): New expander.
23748 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
23750 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
23751 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
23752 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
23754 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
23756 * jump.c (delete_prior_computation): Also check calls
23757 to constant functions. Don't bother checking for a
23758 REG_UNUSED note before adding it.
23759 (delete_computation): Handle multi-word hard registers
23760 when synthesizing missing REG_DEAD notes for a register
23761 which is both set and used by an insn.
23763 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23765 * loop.c (this_loop_info): New variable.
23766 (loop_has_call, loop_has_volatile, loop_has_tablejump,
23767 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
23769 (prescan_loop, strength_reduce): New argument loop_info. All callers
23771 (scan_loop): New variable loop_info, initialise to address of
23773 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
23774 Delete variable loop_has_multiple_exit targets and replace with
23775 field in this_loop_info.
23776 (find_and_verify_loops): Rename this_loop to this_loop_num.
23777 (strength_reduce): Delete loop_iteration_info. Replace variable
23778 loop_info with function argument of same name.
23779 (insert_bct): Rework test for loop being completely unrolled.
23781 * loop.h (struct loop_info): New fields num, loops_enclosed,
23782 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
23783 has_indirect_jump, and cont. Redefine use of unroll_number.
23784 (loop_unroll_number): Delete.
23786 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
23787 field of loop_info.
23788 (loop_iterations): Delete variable vtop and instead use
23789 loop_info->vtop computed in prescan_loop.
23791 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
23793 * fix-header.c (main): Do not pass a null pointer to strcmp.
23795 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
23797 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
23799 * configure: Rebuilt.
23801 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
23803 * jump.c (jump_optimize_1): Do not delete assignments to
23804 internal_arg_pointer.
23805 * cse.c (delete_trivially_dead_insns): Always consider a set of
23806 the internal_arg_pointer live.
23808 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
23810 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
23811 (update_life_info) [REG_WAS_0]: Search the original insns rather
23812 than the new insns for the note. Fix typos finding note_dest.
23813 If no dest found, discard the note rather than abort.
23814 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
23815 (replace_insns): Remove the old insn list after update_life_info
23818 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
23820 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
23821 sched_analyze_insn.
23822 (sched_analyze_1): Let add_dependence care for not adding dups.
23823 (sched_analyze_2): Likewise.
23824 (add_branch_dependences): Likewise.
23826 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
23828 * i386/winnt.c (export_list): New type.
23829 (exports_head): Rename to
23830 (export_head): this.
23831 (i386_pe_record_exported_symbol): Add is_data flag.
23832 (i386_pe_asm_file_end): Emit directive for exported variables.
23833 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
23835 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
23836 (ASM_DECLARE_OBJECT_NAME): Likewise.
23837 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23838 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23840 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
23842 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
23844 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
23847 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
23849 * config/openbsd.h: Define SET_ASM_OP.
23850 * tm.texi: cross-reference SET_ASM_OP in the index.
23852 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
23854 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
23855 for a CONST_DOUBLE, at compile time. Initialize rtx_length
23856 and class_narrowest_mode at compile time. Kill init_rtl.
23857 Mark rtx_length, mode_class, mode_size, mode_unit_size,
23858 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
23859 rtx_format as const. Kill all references to EXTRA_CC_MODES or
23861 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
23863 * rtl.h: Declare rtx_length and rtx_format as const.
23864 * machmode.def: Define CC(). Use CC() to define CCmode. If
23865 EXTRA_CC_MODES is defined, expand it here.
23866 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
23867 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
23868 const. Kill all references to EXTRA_CC_MODES.
23870 * toplev.c: Don't prototype or call init_rtl.
23871 * optabs.c: Don't call init_mov_optab.
23872 * genemit.c: Don't generate init_mov_optab. Don't call
23874 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
23876 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
23877 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
23878 genrecog.c: Don't call init_rtl.
23880 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
23881 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
23882 definition of EXTRA_CC_MODES.
23884 * md.texi: Kill ref to EXTRA_CC_NAMES.
23885 * tm.texi: Document new way to define EXTRA_CC_MODES.
23887 * genrecog.c: Do not look up the name of a define_split.
23888 (Unrelated bugfix.)
23890 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
23892 * config/v850/v850.md: Fix typo introduced by previous delta.
23894 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23896 * gcc.c (fatal): Make definition static to match prototype.
23898 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23900 * combine.c (get_last_value): Don't look for earlier sets if the last
23901 known set is somewhere in between the insns being combined.
23903 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
23905 * configure.in: Don't use shell ! to negate exit codes
23906 * configure: Regenerate
23908 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
23910 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
23911 the fact that ALIGN is measured in bits, not bytes.
23913 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
23915 * errors.c: New file; defines functions error, warning, and
23916 fatal, variables have_error and progname.
23917 * errors.h: New file; prototypes and decls for stuff in errors.c.
23919 * Makefile: Add rules to build errors.o and
23920 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
23921 genopinit, genrecog, genextract, genpeep, genattr, and
23922 genoutput with errors.o. Add errors.h to deps of genconfig.o,
23923 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
23924 genpeep.o, genattr.o, and genoutput.o.
23926 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
23927 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
23928 define or prototype fatal. Set progname at beginning of main.
23929 * genoutput.c: Likewise, and don't define or prototype error
23932 * c-typeck.c (c_expand_start_case): Return immediately if exp
23934 * fold-const.c (operand_equal_p): Return immediately if arg1
23935 or arg0 are ERROR_MARKs.
23936 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
23937 fields of type ERROR_MARK when calculating if the record can
23940 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
23941 with much help from Jeffrey A Law and Richard Henderson
23943 * i386.md: In the 6 insns which call output_fix_trunc,
23944 earlyclobber operands[0].
23946 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
23948 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
23949 creating new registers.
23951 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
23953 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
23954 i386_reg_alloc_order, i386_regparm_string,
23955 i386_align_loops_string, i386_align_jumps_string,
23956 i386_align_funcs_string, i386_preferred_stack_boundary_string,
23957 and i386_branch_cost_string as type "const char *".
23958 * i386.c: Define all above strings as type "const char *".
23960 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
23962 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
23963 when emitting alignment padding. Emit padding byte of 0 instead of 4.
23965 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
23967 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
23968 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
23970 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
23972 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
23973 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
23974 (dwarf2out_line, dwarf2out_finish): Likewise.
23975 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
23977 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
23979 * tree.c (lang_unsave_expr_now) : Correct return type.
23980 * tree.h (lang_unsave_expr_now) : Same.
23982 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
23984 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
23985 instead of duplicating code.
23987 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23989 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
23991 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
23993 * tree.h: fancy_abort always takes three args.
23994 * resource.c: Move include of system.h before toplev.h.
23996 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
23998 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
24001 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
24003 * system.h: Don't redefine abort or trim_filename.
24004 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
24005 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
24006 whether or not __FUNCTION__ is available.
24007 * tree.h: Duplicate rtl.h's definition of abort, for files
24008 that don't include rtl.h. Delete all code to perform type
24009 checking with a compiler other than GCC.
24010 * varray.h: Delete all code to perform type checking with a
24011 compiler other than GCC. Make VARRAY_CHECK() always evaluate
24012 its arguments exactly once, using a statement expression.
24013 Adjust the VARRAY_<type> accessor macros to match.
24014 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
24015 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
24016 caller's location. Define fatal_insn and fatal_insn_not_found
24017 as macros that use _fatal_insn and _fatal_insn_not_found.
24018 (fancy_abort, trim_filename): Kill prototypes.
24020 * rtl.c (trim_filename): Move here from toplev.c.
24021 (fancy_abort): New function.
24022 (DIR_SEPARATOR): Provide default definition.
24023 * tree.c (tree_check_failed, tree_class_check_failed): Go
24024 through fancy_abort.
24025 (tree_check, tree_class_check, cst_or_constructor_check,
24026 expr_check): Delete.
24027 * varray.c (varray_check_failed): New function.
24028 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
24029 _fatal_insn and _fatal_insn_not_found. Go through
24031 (trim_filename, fancy_abort): Delete.
24033 * builtins.c (expand_builtin_args_info): Report ICE with abort.
24034 * except.c (start_catch_handler): Report ICE with error/abort
24036 * final.c (output_operand_lossage): Likewise.
24037 * flow.c (verify_flow_info): Likewise.
24039 * gcc.c: Prototype fatal.
24040 * gengenrtl.c: Undef abort after including rtl.h not system.h.
24041 * genattr.c, genattrtab.c, genemit.c, genextract.c,
24042 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
24043 Don't define fancy_abort.
24045 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
24047 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
24050 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
24052 * m88k.h (VERSION_INFO2): Kill.
24053 (VERSION_STRING): Kill.
24055 (VERSION_INFO1): Tidy.
24056 (TARGET_VERSION): Update.
24057 * m88k/dgux.h (VERSION_INFO2): Kill.
24058 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
24059 * m88k/luna.h (VERSION_INFO1): Tidy.
24060 * m88k/sysv4.h (VERSION_INFO1): Likewise.
24061 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
24062 (output_file_start): Adjust for death of VERSION_STRING.
24064 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
24066 * cpplib.c (detect_if_not_defined): New function.
24067 (do_if): Use it to detect potential once-only headers.
24069 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
24071 * c-common.c (combine_strings): Always set TREE_CONSTANT.
24073 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24075 * combine.c (nonzero_bits) : Allow single-ly set registers to be
24076 anywere in the function only if they are pseudos and set before
24077 being used (not live at the start of the function).
24078 (num_sign_bit_copies) : Same.
24079 (get_last_value_validate) : Same.
24080 (get_last_value) : Same.
24082 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
24084 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
24085 where N and M are constant and N is an integer multiple of M.
24087 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24089 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
24090 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
24091 sbitmap_union_of_preds): Add prototypes.
24092 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
24093 the intersection of successors with the new flow graph structures.
24094 (sbitmap_intersection_of_preds): New function to compute the
24095 intersection of predecessors with the new flow graph structures.
24096 (sbitmap_union_of_succs): New function to compute the union of
24097 successors with the new flow graph structures.
24098 (sbitmap_union_of_preds): New function to compute the union of
24099 predecessors with the new flow graph structures.
24100 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
24101 (expr_reaches_here_p): Use edge and basic_block structures instead
24102 of s_preds and s_succs.
24103 (compute_cprop_avinout): Use new sbitmap routines.
24104 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
24105 of s_preds and s_succs.
24106 * flow.c (compute_flow_dominators): Compute dominators using
24107 edges and basic blocks instead of s_preds and s_succs.
24109 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24111 * lists.c (unused_insn_list, unused_expr_list): New file for
24112 maintaining various types of lists. New statics for maintaining a
24113 cache of available INSN_LIST and EXPR_LIST nodes.
24114 (free_list): Static function for freeing a list of INSN/EXPR nodes.
24115 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
24116 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
24117 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
24118 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
24119 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
24120 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
24121 (free_INSN_LIST_node): Free an individual INSN_LIST node.
24122 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
24123 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
24124 (remove_dependence, free_pending_lists): Use new global routines.
24125 (flush_pending_lists, sched_analyze_insn): Use new global routines.
24126 (sched_analyze, compute_block_backward_dependences): Use new routines.
24127 (sched_analyze_1, sched_analyze_2): Use new routines.
24128 (schedule_insns): Use new global routines.
24129 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
24131 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
24132 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
24134 * toplev.c (rest_of_compilation): Initialize node cache.
24135 * Makefile.in (OBJS): Add lists.o to list of object files.
24136 (lists.o): Add dependancies.
24138 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
24140 * config/v850/v850.md: Fix compile time warning messages.
24141 * config/v850/v850.c: Fix compile time warning messages.
24142 * config/v850/v850.h: Fix compile time warning messages.
24144 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24146 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
24147 Remove unused prototype for `init_lengths'.
24149 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24151 * calls.c (emit_call_1): Mark parameter `stack_size' with
24153 (expand_call): Initialize variable `insn'.
24154 (emit_library_call): Likewise for variable `high_to_save'.
24155 (emit_library_call_value): Likewise.
24156 (store_one_arg): Likewise for variables `lower_bound' and
24159 * combine.c (try_combine): Likewise for variables `i2_code_number'
24160 and `other_code_number'.
24161 (find_split_point): Likewise for variables `pos', `unsignedp' and
24163 (simplify_if_then_else): Likewise for variables `op' and `c1'.
24164 (simplify_and_const_int): Remove unused variable `width'.
24165 (merge_outer_ops): Likewise.
24167 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
24168 HOST_WIDE_INT' when comparing against one.
24169 (simplify_relational_operation): Likewise.
24170 (cse_insn): Initialize variables `src_eqv_volatile',
24171 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
24173 * final.c (init_final): Constify parameter `filename'.
24174 (final_start_function): Mark parameter `optimize' with
24176 (profile_function): Likewise for parameters `first' and `optimize'.
24177 (output_source_line): Likewise for parameter `file'.
24179 * integrate.c (subst_constants): Cast a value to `size_t' when
24180 comparing against one.
24181 (mark_stores): Initialize variable `mode'. Cast a value to
24182 `size_t' when comparing against one.
24184 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
24186 * loop.c (move_movables): Initialize variable `first'.
24187 (strength_reduce): Likewise for variable `increment'.
24188 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
24189 value to `size_t' when comparing against one.
24190 (load_mems): Initialize variable `end_label'.
24192 * output.h (init_final): Constify parameter.
24194 * reload.c (decompose): Initialize variable `base'.
24196 * reload1.c (reload): Likewise for variable `is_scalar'.
24197 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
24198 (choose_reload_regs): Initialize variable `mode'.
24199 (emit_reload_insns): Likewise for variable `store_insn'.
24200 (reload_cse_noop_set_p): Mark parameter `insn' with
24202 (reload_combine): Initialize variable `set'.
24204 * unroll.c (unroll_loop): Likewise for variable `local_label'.
24205 (copy_loop_body): Cast a value to `size_t' when comparing against
24208 * varasm.c (assemble_variable): Initialize variable `size_tree'.
24209 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
24210 (remove_from_pending_weak_list): Mark parameter `name' with
24213 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24215 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
24218 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
24220 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
24221 (ASM_DECLARE_FUNCTION_NAME): Define.
24222 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
24223 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
24224 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
24225 not already defined.
24227 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24229 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
24230 of n_popped when call/call_value are not defined.
24232 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
24234 * tm.texi: GNU CC -> GCC conversion.
24235 (CC1_SPEC): Indicate it is used for all language front ends.
24237 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
24239 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
24240 NOTE_INSN_EH_REGION_END correctly.
24242 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24243 Jeff Law <law@cygnus.com>
24245 * loop.c (strength_reduce): Automatically unroll loops if the
24246 unrolled loop size is smaller than the rolled loop size.
24248 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
24249 and delete comment that code should be rewritten.
24251 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
24253 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
24256 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
24258 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24260 * fixinc/mkfixinc.sh: Don't fix uwin headers.
24261 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
24262 (LINK_SPEC): Add -u _main when building executables.
24263 (ASM_DECLARE_FUNCTION): Update from Cygwin.
24264 (ASM_FILE_END): Use the default for ix86-pe.
24265 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
24267 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
24269 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
24270 and ASM_CLOSE_PAREN are empty strings.
24272 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
24273 Geoffrey Keating <geoffk@cygnus.com>
24275 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
24276 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
24277 (unprotoize.o): Ditto.
24278 (test-protoize-simple): Don't define STD_PROTO_DIR.
24279 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
24280 changes to make 'test-protoize-simple' pass.
24281 (STD_PROTO_DIR): Remove define.
24282 (STANDARD_EXEC_PREFIX): Supply default define.
24283 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
24284 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
24285 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
24286 (GET_ENV_PATH_LIST): New macro.
24287 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
24288 (do_processing): Initialize default_syscalls_dir using new
24289 macros. Use it to initialize syscalls_absolute_filename.
24291 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
24293 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
24294 B into a register before emit_conditional_move.
24296 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
24298 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
24299 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
24300 multiplicand out of (+ (* a b) (* c d)).
24302 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
24303 Richard Henderson <rth@cygnus.com>
24305 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
24306 (new_insn_dead_notes): Likewise.
24307 (update_n_sets): Likewise.
24308 (update_flow_info): Move to flow.c, renamed to update_life_info;
24309 extend to handle multiple source insns.
24310 * flow.c: Include resource.h
24311 (unlink_insn_chain): New.
24312 (split_hard_reg_notes): New.
24313 (maybe_add_dead_note): New.
24314 (maybe_add_dead_note_use): New.
24315 (find_insn_with_note): New.
24316 (new_insn_dead_notes): New.
24317 (update_n_sets): New.
24318 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
24319 (maybe_remove_dead_notes): New.
24320 (update_life_info): New.
24321 (prepend_reg_notes): New.
24322 (replace_insns): New.
24323 * output.h (update_life_info): Declare.
24324 * recog.c (split_block_insns): Use update_life_info.
24325 * resource.c (find_free_register): Use reg_alloc_order, don't use
24326 fixed regs, make sure the mode is supported, don't use new regs.
24328 * rtl.h (replace_insns): Declare.
24330 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
24332 * expr.c (expand_expr): Cope with COND_EXPRs with one
24333 non-returning branch.
24335 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
24337 * expr.c (store_expr): Always pass down the target, even when not
24340 1999-08-24 Nick Clifton <nickc@cygnus.com>
24342 * configure.in: Define target_cpu_default for v850 targets.
24343 * configure: Regenerate
24345 * config/v850/v850.h (TARGET_CPU_generic): Define.
24346 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
24347 addresses are 4 byte aligned.
24349 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
24352 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24354 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
24355 (main): Add prototypes.
24357 * genattrtab.c (substitute_address, write_const_num_delay_slots,
24358 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
24359 (write_attr_get): Emit prototypes along with function definition.
24360 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
24361 (write_complex_function): Emit static prototype along with
24362 function definition.
24364 * genemit.c (gen_split): Emit prototypes along with function
24367 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
24368 Likewise for predicates and `insn_operand_predicate'.
24369 (process_template): Emit static prototype along with function
24372 * genrecog.c (make_insn_sequence): Constify a char*. Add
24373 prototypes for get_split_*().
24374 (write_subroutine): Emit prototypes along with function
24377 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24379 * gcse.c (find_avail_set): Follow chains of register-register copies.
24380 Use oprs_not_set_p to guarantee that the returned value can be
24382 (cprop_insn): Don't verify the return value of find_avail_set with
24385 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
24386 (cprop_cc0_jump): New function.
24387 (cprop_insn): Break out new function cprop_jump and use it.
24388 Also use cprop_cc0_jump for machines with CC0.
24389 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
24391 * tree.h (current_function_calls_setjmp,
24392 current_function_calls_longjmp): Delete declarations.
24393 * dsp16xx.c: Include "function.h".
24394 * elxsi.c: Likewise.
24395 * gmicro.c: Likewise.
24396 * h8300.c: Likewise.
24397 * i370.c: Likewise.
24398 * m32r.c: Likewise.
24399 * mn10200.c: Likewise.
24400 * mn10300.c: Likewise.
24401 * ns32k.c: Likewise.
24402 * spur.c: Likewise.
24403 * v850.c: Likewise.
24405 * rtl.h (rtx_equal_function_value_matters): Declare.
24406 * toplev.c (rtx_equal_function_value_matters): Don't declare.
24408 * function.c: Likewise.
24409 * emit-rtl.c: Likewise.
24411 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
24413 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
24416 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24418 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
24421 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
24423 * cpp.texi: Add a node documenting macro varargs (copied
24426 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
24428 * cppspec.c: Put a null pointer at the end of the new argv.
24430 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
24432 * configure.in: Remove code to select/de-select the haifa
24433 scheduler. Every scheduled port gets haifa now.
24434 * configure: Rebuilt.
24435 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
24437 * Makefile.in: Corresponding changes.
24439 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24441 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
24442 All callers changed.
24443 (prepare_float_lib_cmp): Likewise.
24444 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
24445 * expr.h (emit_float_lib_cmp): Delete declaration.
24446 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
24447 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
24448 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
24450 (cmptf): Now conditional on TARGET_HARD_QUAD.
24452 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
24454 * resource.c (mark_target_live_regs): Use
24455 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
24457 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24459 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
24461 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
24463 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
24465 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24467 * rtl.h (rtx_format): Constify a char*.
24469 * rtl.c (rtx_format): Likewise.
24470 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
24471 (init_rtl): Use accessor macro, not `rtx_format'.
24473 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
24476 * caller-save.c (mark_referenced_regs): Likewise.
24478 * combine.c (subst, make_compound_operation, known_cond,
24479 gen_rtx_combine, update_table_tick, get_last_value_validate,
24480 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
24482 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
24483 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
24484 count_reg_usage): Likewise.
24486 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
24489 * final.c (leaf_renumber_regs_insn): Likewise.
24491 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
24492 dump_edge_info, count_reg_references): Likewise.
24494 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
24495 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
24498 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
24499 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
24500 add_label_notes): Likewise.
24502 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
24503 clear_struct_flag, count_sub_rtxs, count_alternatives,
24504 compares_alternatives_p, contained_in_p, walk_attr_value,
24505 write_expr_attr_cache): Likewise.
24507 * genconfig.c (walk_insn_part): Likewise.
24509 * genemit.c (max_operand_1, gen_exp): Likewise.
24511 * genextract.c (walk_rtx): Likewise.
24513 * genflags.c (num_operands): Likewise.
24515 * genoutput.c (scan_operands): Likewise.
24517 * genpeep.c (match_rtx): Likewise.
24519 * genrecog.c (add_to_sequence): Likewise.
24521 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
24524 * integrate.c (save_constants, copy_for_inline,
24525 copy_rtx_and_substitute, subst_constants, restore_constants):
24528 * jump.c (mark_jump_label, invert_exp, redirect_exp,
24529 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
24531 * local-alloc.c (contains_replace_regs, memref_referenced_p):
24534 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
24535 add_label_notes, replace_call_address, count_nonfixed_reads,
24536 invariant_p, find_single_use_in_loop, find_mem_givs,
24537 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
24540 * print-rtl.c (reg_names, print_rtx): Likewise.
24542 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
24544 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
24545 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
24546 print_blocks): Likewise.
24548 * regclass.c (fix_register, record_address_regs,
24549 reg_scan_mark_refs): Likewise.
24551 * regmove.c (stable_but_for_p): Likewise.
24553 * reload.c (loc_mentioned_in_p, operands_match_p,
24554 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
24555 copy_replacements, refers_to_regno_for_reload_p,
24556 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
24557 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
24560 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
24561 delete_address_reloads_1, count_occurrences,
24562 reload_cse_mem_conflict_p, reload_combine_note_use,
24563 add_auto_inc_notes): Likewise.
24565 * resource.c (mark_referenced_resources, mark_set_resources):
24568 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
24569 reg_mentioned_p, regs_set_between_p, modified_between_p,
24570 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
24571 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
24572 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
24573 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
24575 * sched.c (sched_analyze_2, attach_deaths): Likewise.
24577 * stupid.c (stupid_mark_refs): Likewise.
24579 * unroll.c (remap_split_bivs): Likewise.
24581 * varasm.c (mark_constants): Likewise.
24583 * a29k/a29k.c (uses_local_reg_p): Likewise.
24585 * alpha/alpha.c (summarize_insn): Likewise.
24587 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
24588 eliminate_lr2ip): Likewise.
24590 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
24592 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
24593 reg_mentioned_in_mem): Likewise.
24595 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
24596 symbolic_reference_mentioned_p): Likewise.
24598 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
24600 * sh/sh.c (regs_used, mark_use): Likewise.
24602 * vax/vax.c (vax_rtx_cost): Likewise.
24604 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24606 * machmode.h (mode_name): Constify a char*.
24608 * rtl.c (mode_name): Likewise.
24610 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
24612 * optabs.c (init_libfuncs): Constify a char*.
24614 * print-tree.c (mode_name): Remove redundant declaration.
24615 (print_node): Use accessor macro, not `mode_name'.
24617 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
24619 (new_spill_reg): Constify a char*.
24621 * tree.c (mode_name): Remove redundant declaration.
24623 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24625 * rtl.c (rtx_name): Constify a char*.
24627 * rtl.h (rtx_name, fix_sched_param): Likewise.
24629 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
24630 (mypr): Use accessor macro, not `rtx_name'.
24632 * genemit.c (print_code): Constify a char*.
24634 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
24636 * genpeep.c (print_code): Constify a char*.
24638 * genrecog.c (print_code): Likewise.
24640 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
24641 end_bb): Add static prototype.
24642 (draw_edge): Constify a char*.
24643 (end_bb): Remove unused parameter.
24645 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
24646 print_block_visualization): Constify a char*.
24648 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
24650 * c-common.c (c_get_alias_set): Update comment.
24652 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24654 * linux.h (LIB_SPEC): Added.
24656 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24658 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
24660 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
24662 * tree.c (expr_check): Fix typo in last change.
24664 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
24666 * rtl.def (NOTE): Change format to "iuu0n".
24667 (ADDR_DIFF_VEC): Change format to "eEee0".
24668 (ADDRESSOF): Change format to "eit".
24670 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
24671 (RTVEC_ELT): Change to match.
24672 (XVECEXP): Use XVEC and RTVEC_ELT.
24673 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
24674 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
24675 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
24676 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
24677 TRAP_CONDITION, TRAP_CODE): Use XEXP.
24678 (INTVAL): Use XWINT.
24679 (ADDRESSOF_DECL): Use XTREE.
24680 (SET_ADDRESSOF_DECL): Delete.
24681 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
24682 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
24683 ifdefed out since 2.6 at least.
24684 (gen_rtvec_vv): Delete prototype.
24686 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
24688 (copy_most_rtx): Handle 't' format letter.
24689 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
24690 (gen_rtvec_vv): Delete function. All callers changed to use
24691 gen_rtvec_v instead.
24692 * print-rtl.c (print_rtx): Move special casing of NOTEs to
24693 the '0' format letter.
24695 * function.c (gen_mem_addressof): Don't use
24696 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
24698 * integrate.c (copy_rtx_and_substitute): Likewise.
24699 Copy 't' slots with XTREE.
24700 (subst_constants): Treat 't' slots like '[swi]' slots.
24701 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
24702 * jump.c (rtx_equal_for_thread_p): Likewise.
24703 * rtlanal.c (rtx_equal_p): Likewise.
24704 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
24705 only four arguments.
24706 * gengenrtl.c (type_from_format): Provide correct types for
24710 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
24711 If a recent gcc is in use (always in stage2 and beyond), use
24712 statement expressions, so we don't make a function call unless
24713 the check fails. Evaluate arguments exactly once.
24714 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
24715 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
24717 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
24718 they evaluate their arguments exactly once, irrespective of
24719 the compiler in use.
24721 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
24722 is used by the currently-enabled check macros. This is:
24723 (tree_check_failed, tree_class_check_failed): For gcc.
24724 (tree_check, tree_class_check, cst_or_constructor_check,
24725 expr_check): For other compilers.
24727 * gencheck.c: Do not define any *_CHECK1 macros.
24729 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
24730 Mark Mitchell <mark@codesourcery.com>
24732 * c-common.c (c_get_alias_set): Fix support for poitners and
24735 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
24737 * alias.c: Include tree.h.
24738 (nonlocal_reference_p, mark_constant_function): New functions.
24739 * flow.c (life_analysis): Call mark_constant_function.
24740 * rtl.h (mark_constant_function): Declare it.
24742 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
24744 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
24745 unrecognisable switches.
24747 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24749 * loop.c (recombine_givs): Set ix field after sorting.
24750 (recombine_givs): Remove bogus index / giv lockstep looping.
24752 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24754 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
24756 (emit_store_flag_force): Use do_compare_rtx_and_jump.
24757 (do_cmp_and_jump): Formatting fixes.
24758 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
24759 do_compare_rtx_and_jump instead of compare_from_rtx.
24760 (do_compare_rtx_and_jump): New function; mostly copied from
24762 (do_jump_for_compare): Delete.
24763 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
24765 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
24766 of compare/do_jump_for_compare pairs.
24767 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
24768 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
24769 compare_from_rtx/do_jump_for_compare pairs.
24770 (do_jump_by_parts_equality): Likewise.
24771 (do_jump_by_parts_equality_rtx): Likewise.
24772 * expr.h (do_compare_rtx_and_jump): Declare.
24773 * optabs.c (prepare_cmp_insn): New function, contains most of the code
24774 that used to be in emit_cmp_insn.
24775 (cmp_available_p): New function.
24776 (prepare_operand): New function.
24777 (emit_cmp_and_jump_insn_1): New function, contains some code that used
24778 to be in emit_cmp_insn.
24779 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
24780 parameters to be pointers; don't emit final compare but modify some of
24781 the values pointed to by the args so the caller can perform the
24782 correct comparison.
24783 (expand_binop): Call emit_store_flag_force with signed forms of
24785 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
24786 emit_jump_insn pair.
24787 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
24788 emit_cmp_and_jump_insn_1. Call emit_queue.
24789 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
24791 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
24792 jump sets cc0 before deleting it.
24793 * integrate.c (expand_inline_function): Likewise.
24794 * unroll.c (unroll_loop): Similar changes in several places.
24795 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
24796 before deleting it.
24798 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24800 * Makefile.in (insn-recog.o): Update dependencies.
24801 * genrecog.c (main): Make generated file include "function.h".
24803 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
24805 * cse.c (cse_insn): Call never_reached_warning when a jump is
24806 changed to be unconditional.
24807 * flags.h: Declare warn_notreached.
24808 * flow.c (delete_block): Call never_reached_warning when
24809 a block is deleted.
24810 * jump.c (delete_barrier_successors): Call never_reached_warning
24811 when we delete everything after a BARRIER.
24812 (never_reached_warning): New function.
24813 * rtl.h: Declare never_reached_warning.
24814 * toplev.c (warn_notreached): New variable.
24815 (lang_independent_options): Set warn_notreached
24816 when -Wunreachable-code.
24817 (compile_file): We need line numbers for -Wunreachable-code.
24819 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
24821 * haifa-sched.c (insn_unit): Fix typo on out of range test.
24822 * sched.c (insn_unit): Likewise.
24824 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
24826 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
24828 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24830 * flow.c (create_edge_list): Use xmalloc, not malloc.
24832 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
24834 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
24835 C-style comments. Do not lose the character before double slash.
24837 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24839 * basic-block.h (struct edge_list): Stucture to maintain a vector
24841 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
24842 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
24843 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
24844 New function prototypes.
24845 * flow.c (create_edge_list): Function to create an edge list.
24846 (free_edge_list): Discards memory used by an edge list.
24847 (print_edge_list): Debug output showing an edge list.
24848 (verify_edge_list): Internal consistency check for an edge list.
24849 (find_edge_index): Function to find an edge index for a pred and succ.
24851 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
24853 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
24856 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
24858 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
24860 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
24862 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24864 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
24866 * toplev.c (rest_of_compilation): Allow machine dependent
24867 reorganisation pass to place information into the RTL dump
24868 file if it so wishes.
24870 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
24872 * explow.c (hard_function_value): Use VOIDmode instead of
24874 * stmt.c (expand_return): Likewise.
24875 * stor-layout.c (get_best_mode): Likewise.
24877 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
24878 emit call instead of emit_insn call.
24880 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24882 * configure.in: Handle --disable/enable-win32-registry.
24883 * install.texi: Document --disable/enable-win32-registry.
24884 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
24885 (WIN32_REGISTRY_KEY): New macro.
24886 * prefix.c: Use to enable/disable win32-specific code.
24887 (lookup_key): Use versioned key.
24888 * configure: Regenerate.
24889 * config.in: Likewise.
24891 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
24893 * cpplib.c (read_line_number): New fn, split out of...
24896 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
24898 tree.c (lang_unsave_expr_now) : New.
24899 (unsave_expr_now): Call lang_unsave_expr_now.
24900 tree.h (lang_unsave_expr_now) : New.
24902 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
24904 * toplev.c (flag_new_exceptions): On by default.
24906 1999-08-13 Michael Meissner <meissner@cygnus.com>
24908 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
24910 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24912 * dwarfout.c (fundamental_type_code): Return FT_boolean for
24913 INTEGER_TYPE with precision==1, it's __java_boolean.
24915 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24917 * global.c (prune_preferences): Move some invariants out of the
24920 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
24922 * configure.in (alpha*-dec-osf*): Add osf5.
24924 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
24926 * configure.in: Rework handling of ARM GNU/Linux slightly.
24927 (arm*-*-linux-gnuoldld): New target.
24928 * configure: Regenerate.
24929 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
24930 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
24931 * config/arm/linux-oldld.h: New file.
24932 * config/arm/linux-elf26.h: Don't include linux-elf.h.
24933 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
24935 * config/arm/linux-elf.h (ASM_SPEC): Define.
24936 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
24937 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
24938 for 26-bit APCS and old linker.
24939 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
24941 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
24942 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
24943 don't define `arm' or `arm_elf'.
24944 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
24945 MULTILIB_DIRNAMES): Define. Fix typo in comment.
24947 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
24949 * rtl.texi: Fix typo.
24951 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
24953 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
24955 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
24957 * extend.texi (C++ Signatures): Remove node.
24958 * invoke.texi: Remove discussion of -fhandle-signatures,
24959 signature, sigof, __signature__, and __sigof__.
24961 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
24963 * Makefile.in (JAVAGC): Removed.
24965 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
24967 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24969 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
24971 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24973 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
24975 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
24976 a register that is already known to be a pointer.
24978 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
24980 * fixinc/inclhack.tpl: Only install assert.h conditionally.
24981 * fixinc/inclhack.sh: Regenerated.
24982 * fixinc/fixincl.sh: Regenerated.
24984 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
24986 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
24987 Fix documentation of -ansi flag to describe its C++ behavior.
24988 Remove bogus reference to GCC 2.9.
24990 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
24992 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
24993 note if it is non-NULL.
24995 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24997 * except.h (eh_nesting_info): Add new structure defintion.
24998 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
24999 (reachable_handlers, update_rethrow_references): Add function
25001 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
25002 a rethrow symbol instead of an integer exception region number.
25003 * flow.c (Make_edges): Use new exception nesting routines to determine
25004 which handlers are reachable from a CALL or asynchronous insn.
25005 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
25007 (delete_eh_regions): Update rethrow labels, and don't delete
25008 regions which are the target of a rethrow.
25009 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
25010 avoid overloading the SYMBOL_REF_USED flag.
25011 (rethrow_symbol_map): Use new rethrow_ref field.
25012 (rethrow_used): Use new rethrow_ref field.
25013 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
25014 of an integer. Fix formatting.
25015 (output_exception_table_entry): Use new rethrow_ref field.
25016 (can_throw): Check for EH_REGION_NOTE before deciding
25017 whether a CALL can throw or not.
25018 (scan_region): Call rethrow_used() instead of accessing data structure.
25019 (update_rethrow_references): New function to make sure only regions
25020 which are still targets of a rethrow are flagged as such.
25021 (process_nestinfo): New static function to initialize a handler
25022 list for a specific region.
25023 (init_eh_nesting_info): New function to allocate and initialize
25024 the list of all EH handlers reachable from all regions.
25025 (reachable_handlers): New function to retrieve the list of handlers
25026 reachable from a specific region and insn.
25027 (free_eh_nesting_info): New function to dispose of a list of
25028 reachable handlers.
25030 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25032 * flow.c (split_edge): Set JUMP_LABEL field.
25033 (commit_one_edge_insertion): Set head correctly for insert_before.
25034 When inserting insns, update insn block numbers if allocated.
25036 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25038 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
25039 retry_incomplete_types): Add static prototype.
25040 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
25041 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
25042 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
25043 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
25044 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
25047 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
25048 dwarf2out_start_source_file, dwarf2out_line): Likewise.
25050 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25052 * output.h (assemble_name): Constify a char*.
25054 * varasm.c (UNIQUE_SECTION, assemble_start_function,
25055 assemble_variable, assemble_name): Likewise.
25057 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
25059 * arm/pe.c (arm_pe_unique_section): Likewise.
25061 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
25063 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
25065 * i386/interix.c (i386_pe_unique_section): Likewise.
25067 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
25069 * i386/winnt.c (i386_pe_unique_section): Likewise.
25071 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
25073 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
25075 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
25077 * pa/pa.c (output_call): Likewise.
25079 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
25081 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
25083 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
25086 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
25089 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
25091 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
25092 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
25094 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
25096 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25098 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
25100 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25102 * tree.h (lang_identify): Constify a char*.
25103 (print_error_function): Add extern prototype. Constify a char*.
25105 * c-lang.c (lang_identify): Constify a char*.
25107 * objc/objc-act.c (lang_identify): Constify a char*.
25109 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25111 * genpeep.c (main): Make generated file include "function.h".
25112 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
25114 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25116 * Makefile.in: Update dependencies.
25117 * alias.c: Include "function.h"
25118 * c-decl.c: Likewise.
25119 * caller-save.c: Likewise.
25120 * calls.c: Likewise.
25121 * combine.c: Likewise.
25123 * explow.c: Likewise.
25124 * final.c: Likewise.
25125 * global.c: Likewise.
25126 * graph.c: Likewise.
25127 * local-alloc.c: Likewise.
25128 * loop.c: Likewise.
25129 * optabs.c: Likewise.
25130 * profile.c: Likewise.
25131 * recog.c: Likewise.
25132 * regclass.c: Likewise.
25133 * regmove.c: Likewise.
25134 * reload.c: Likewise.
25135 * reorg.c: Likewise.
25136 * resource.c: Likewise.
25137 * sched.c: Likewise.
25138 * stupid.c: Likewise.
25139 * config/1750a/1750a.c: Likewise.
25140 * config/a29k/a29k.c: Likewise.
25141 * config/arc/arc.c: Likewise.
25142 * config/arm/arm.c: Likewise.
25143 * config/arm/thumb.c: Likewise.
25144 * config/c4x/c4x.c: Likewise.
25145 * config/clipper/clipper.c: Likewise.
25146 * config/convex/convex.c: Likewise.
25147 * config/fx80/fx80.c: Likewise.
25148 * config/i860/i860.c: Likewise.
25149 * config/m68k/m68k.c: Likewise.
25150 * config/m88k/m88k.c: Likewise.
25151 * config/mips/mips.c: Likewise.
25152 * config/pdp11/pdp11.c: Likewise.
25153 * config/pyr/pyr.c: Likewise.
25154 * config/romp/romp.c: Likewise.
25155 * config/sh/sh.c: Likewise.
25156 * config/tahoe/tahoe.c: Likewise.
25157 * config/vax/vax.c: Likewise.
25158 * config/we32k/we32k.c: Likewise.
25159 * config/sparc/sparc.c: Include "function.h".
25160 (mem_min_alignment): Test current_function rather than
25161 regno_pointer_align.
25162 * config/pa/pa.c: Likewise.
25163 (compute_frame_size): Delete declaration of
25164 current_function_outgoing_args_size.
25165 * config/arc/arc.h (current_function_varargs): Delete declaration.
25166 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
25168 * config/i370/i370.h (current_function_outgoing_args_size): Delete
25170 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
25171 current_function_uses_pic_offset_table.
25172 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
25173 of current_function_returns_pointer.
25174 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25175 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25176 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25177 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25178 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25179 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25180 * config/m88k/m88k.c: Include "function.h"
25181 (call_used_regs, current_function_pretend_args_size,
25182 current_function_outgoing_args_size, frame_pointer_needed): Delete
25184 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
25186 * config/mips/mips.h (current_function_calls_alloca): Delete
25188 * config/mn10200/mn10200.h (current_function_needs_context,
25189 rtx_equal_function_value_matters): Delete declarations.
25190 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
25191 flag_pic): Delete declarations.
25192 * config/pa/pa.h (current_function_pretend_args_size,
25193 current_function_decl): Delete declarations.
25194 * config/pa/som.h (current_function_varargs): Delete declaration.
25195 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
25197 * config/pyr/pyr.h (current_function_pretend_args_size,
25198 current_function_args_size, current_function_calls_alloca): Delete
25200 * config/sh/sh.h (current_function_varargs): Delete declaration.
25201 * config/sparc/sparc.h (current_function_outgoing_args_size,
25202 current_function_calls_alloca, current_function_decl): Delete
25204 * config/spur/spur.h (current_function_pretend_args_size,
25205 current_function_calls_alloca): Delete declarations.
25206 * config/v850/v850.c (current_function_outgoing_args_size): Delete
25208 * config/vax/vms.h (current_function_name): Delete declaration.
25209 * gcse.c: Include "function.h".
25210 (current_function_name, current_function_calls_setjmp): Delete
25212 * haifa-sched.c: Include "function.h".
25213 (forced_labels): Delete declaration.
25214 * jump.c: Likewise.
25215 * reg-stack.c: Likewise.
25216 * reload1.c: Likewise.
25217 * genemit.c (main): Make generated file include function.h.
25218 * genoutput.c (output_prologue): Likewise.
25220 * builtins.c (saveregs_value, apply_args_value): Delete variables.
25221 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
25222 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
25223 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
25224 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
25225 macros for some of them.
25226 (emit_filename, emit_lineno): Delete declarations.
25227 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
25228 regno_pointer_* variables through current_function.
25229 (gen_inline_header_rtx): Delete function.
25230 (save_emit_status): Delete function.
25231 (set_new_last_label_num): New function.
25232 (clear_emit_caches): New function.
25233 (restore_emit_status): Just clear last_labelnum and call
25235 (get_last_insn_anywhere): Variable sequence_stack is now accessed
25236 through macro seq_stack.
25237 (add_insn_after): Likewise.
25238 (add_insn_before): Likewise.
25239 (remove_insn): Likewise.
25240 (pop_topmost_sequence): Likewise.
25241 (in_sequence_p): Likewise.
25242 (start_sequence_for_rtl_expr): Likewise.
25243 (start_sequence): Likewise, and likewise for
25244 sequence_rtl_expr/seq_rtl_expr.
25245 (push_topmost_sequence): Likewise.
25246 (end_sequence): Likewise.
25247 (init_virtual_regs): Now takes a "struct emit_status *" argument.
25248 All callers changed. Store into that pointer instead of globals.
25249 (init_emit): Allocate emit elt of current_function.
25250 Changes for sequence_rtl_expr/sequence_stack renaming.
25251 Call clear_emit_caches instead of doing it in-line.
25252 Access regno_pointer_* variables through current_function.
25253 (init_emit_once) Don't clear sequence_stack.
25255 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
25257 (arg_pointer_save_area): Delete declaration.
25258 (finish_expr_for_function): Renamed from init_queue; no longer static.
25259 (init_expr): Don't call init_queue.
25260 (save_expr_status, restore_expr_status): Delete functions.
25261 (expand_expr): Changes to reflect new layout of struct function.
25262 Don't access current_function_check_memory_usage when current_function
25264 * expr.h (forced_labels, save_expr_regs, saveregs_value,
25265 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
25266 current_function_outgoing_args_size, current_function_arg_offset_rtx,
25267 current_function_uses_const_pool, function_call_count,
25268 current_function_uses_pic_offset_table, nonlocal_labels,
25269 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
25270 current_function_check_memory_usage, nonlocal_goto_handler_slots,
25271 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
25273 (finish_expr_for_function): Declare.
25274 * flags.h (current_function_has_nonlocal_label,
25275 current_function_has_nonlocal_goto, current_function_is_thunk,
25276 current_function_has_computed_jump): Delete declarations.
25277 * flow.c (forced_labels): Delete declaration.
25278 * function.c (current_function_pops_args,
25279 current_function_returns_struct, current_function_returns_pcc_struct,
25280 current_function_needs_context, current_function_calls_setjmp,
25281 current_function_calls_longjmp, current_function_has_nonlocal_label,
25282 current_function_has_nonlocal_goto, current_function_is_thunk,
25283 current_function_has_computed_jump, current_function_calls_alloca,
25284 current_function_contains_functions, current_function_returns_pointer,
25285 current_function_epilogue_delay_list, current_function_args_size,
25286 current_function_pretend_args_size, current_function_arg_offset_rtx,
25287 current_function_outgoing_args_size, current_function_varargs,
25288 current_function_stdarg, current_function_args_info, cleanup_label,
25289 current_function_name, current_function_uses_const_pool,
25290 current_function_instrument_entry_exit, current_function_return_rtx,
25291 current_function_uses_pic_offset_table, nonlocal_labels,
25292 current_function_internal_arg_pointer, current_function_cannot_inline,
25293 current_function_check_memory_usage, function_call_count,
25294 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
25295 nonlocal_goto_stack_level, return_label, save_expr_regs,
25296 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
25297 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
25298 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
25299 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
25300 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
25302 (push_function_context_to): Don't save them. Don't call
25303 save_storage_status, save_emit_status or save_expr_status.
25304 (pop_function_context_from): Don't restore them. Don't call
25305 restore_storage_status or restore_expr_status.
25306 (get_func_frame_size): New function.
25307 (get_frame_size): Use it.
25308 (assign_outer_stack_local): Reflect some member name changes in struct
25310 (put_reg_into_stack): Likewise.
25311 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
25313 (fixup_var_refs): Likewise.
25314 (fix_lexical_addr): Likewise.
25315 (trampoline_address): Likewise.
25316 (prepare_function_start): Clear field inlinable of current_function.
25317 (init_function_for_compilation): New function.
25318 (expand_dummy_function_end): New function.
25319 (expand_function_end): Call finish_expr_for_function.
25320 * function.h (struct emit_status): New; fields moved here from struct
25321 function and from global variables. Add accessor macros for some of
25323 (struct expr_status): Likewise.
25324 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
25325 (struct function): Add fields expr and emit, inlinable, inl_emit,
25326 original_arg_vector, original_decl_initial, inl_last_parm_insn,
25327 inl_max_label_num. Add many comments.
25328 Add accessor macros for all elts of struct function that no longer
25329 have a global variable.
25330 (cleanup_label, return_label, frame_offset, tail_recursion_label,
25331 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
25332 stack_slot_list): Delete declarations.
25333 (get_func_frame_size): Declare.
25334 (save_expr_status, restore_expr_status, save_emit_status,
25335 save_storage_status, restore_storage_status): Delete declarations.
25336 (init_virtual_regs): Declare.
25337 * output.h (current_function_pops_args,
25338 current_function_returns_struct, current_function_returns_pcc_struct,
25339 current_function_needs_context, current_function_calls_setjmp,
25340 current_function_calls_longjmp, current_function_calls_alloca,
25341 current_function_has_nonlocal_label, current_function_varargs,
25342 current_function_has_computed_jump, current_function_returns_pointer,
25343 current_function_contains_functions, current_function_args_size,
25344 current_function_pretend_args_size, current_function_stdarg,
25345 current_function_outgoing_args_size, current_function_args_info,
25346 current_function_name, current_function_return_rtx,
25347 current_function_epilogue_delay_list,
25348 current_function_uses_const_pool, current_function_cannot_inline):
25349 Delete declarations.
25350 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
25351 regno_reg_rtx): Delete declaration.
25352 (REGNO_POINTER_FLAG): Delete macro.
25353 * stmt.c (expand_goto): Changes to reflect that some fields in struct
25354 function were renamed.
25355 * stor-layout.c (save_storage_status, restore_storage_status): Delete
25357 * toplev.c: Include "function.h".
25358 (current_function_decl): Delete declaration.
25359 (compile_file): Call init_dummy_function_start and
25360 expand_dummy_function_end around some initializations that need to
25362 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
25363 Call init_function_for_compilation.
25364 * unroll.c: Include "function.h"
25365 (unroll_loop): Access regno_pointer_* variables through
25368 * tree.h (struct tree_decl): Add elt f to saved_insns member.
25369 (DECL_SAVED_INSNS): use it.
25370 (expand_dummy_function_end): Declare.
25371 (init_function_for_compilation): Declare.
25372 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
25373 that it's no longer an INLINE_HEADER.
25374 (expand_call): Likewise.
25375 * integrate.c (finish_inline): Delete function.
25376 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
25377 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
25378 args. Don't generate an INLINE_HEADER rtx, just return the arg
25379 vector. All callers changed.
25380 (save_for_inline_copying): Create a duplicate struct emit_status to
25381 hold the emit state for compiling the current function. Use this and
25382 the other new fields in struct function that are for integration
25383 instead of an INLINE_HEADER.
25384 Use memcpy instead of bcopy.
25385 Store the current struct function in DECL_SAVED_INSNS of fndecl.
25386 (save_for_inline_nocopy): Similar changes, except no new emit_status
25388 (expand_inline_function): Get information from function structure,
25389 not from an inline header rtx.
25390 (output_inline_function): Lose code to extract the necessary
25391 information from an inline header; simply put back the function
25392 structure into current_function. Clear its inlinable elt.
25393 * rtl.def (INLINE_HEADER): Delete.
25394 * rtl.h: Delete all accessors for an INLINE_HEADER.
25395 (gen_inline_header_rtx): Delete declaration.
25396 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
25397 Delete declarations.
25398 (REGNO_POINTER_ALIGN): Delete.
25399 (clear_emit_caches): Declare.
25400 (set_new_last_label_num): Declare.
25402 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
25404 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
25406 * except.c (expand_eh_region_start_for_decl): Always start a new block.
25407 * stmt.c (is_eh_region): Make sure current_function is present, too.
25409 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
25411 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
25412 for 64bit PA targets.
25414 * pa.h (SELECT_SECTION): Define.
25415 * som.h (SELECT_SECTION): Delete.
25417 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25419 * alias.c (init_alias_analysis): Wrap call to
25420 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
25422 1999-08-07 Bruce Korb <autogen@linuxbox.com>
25424 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
25425 <sys/asm.h> contains an asm comment with an apostrophe
25426 * fixinc/inclhack.sh: regen
25427 * fixinc/fixincl.x: regen
25429 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
25431 * function.c (init_function_start): Clear prologue & epilogue.
25432 (prologue_epilogue_contains): New function.
25433 * alias.c (init_alias_analysis): Use it.
25434 * rtl.h (prologue_epilogue_contains): Declare it.
25436 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
25438 * jump.c (onlyjump_p): New function.
25439 * rtl.h: Declare it.
25440 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
25441 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
25443 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
25445 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
25446 to invert loops. Simplify block scanning.
25448 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25450 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
25451 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
25453 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
25455 * config/sparc/liteelf.h: New file to support sparclite-elf target
25456 * config/sparc/t-sp86x: New file to support sparc86x targets
25457 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
25458 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
25459 * configure.in: Support above target triplets
25460 * configure: Regenerated
25462 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
25464 * fixinc/server.c (server_setup): Do not prefix function used as
25465 parameter with `&'.
25467 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
25469 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
25470 Remove fp reg alternatives.
25472 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
25474 * Makefiin (TAROUTOPTS): Kill.
25475 (install-headers-tar): Use "xpf" for tar headerfile extraction
25476 * i370/x-oe (TAROUTOPTS): Delete.
25477 * m68k/x-apollo68 (TAROUTOPTS): Delete.
25478 * m68k/x-hp320 (TAROUTOPTS): Delete.
25479 * m68k/x-hp320g (TAROUTOPTS): Delete.
25480 * gcc.texi: Update bug reporting text.
25482 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25484 * reg-stack.c (change_stack) Fixed problem with negative array index.
25486 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
25488 * extend.texi, install.texi: Fix spelling mistakes.
25490 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
25491 (s-attrtab); No longer try to use pre-made insn-attrtab file.
25492 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
25493 PREMADE_ATTRTAB_MD.
25494 * mips/t-ecoff: Likewise.
25495 * mips/t-elf: Likewise.
25496 * mips/t-mips: Likewise.
25497 * mips/t-osfrose: Likewise.
25498 * mips/t-r3900: Likewise.
25499 * mips/t-svr3: Likewise.
25500 * mips/t-svr4: Likewise.
25501 * mips/t-ultrix: Likewise.
25503 * gcc.texi: Document recommend means to provide software floating
25504 point libraries in libgcc.a
25506 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
25508 * c-lex.c (yylex): We can have a number with no digits.
25510 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
25512 * jump.c (delete_prior_computation): New function, broken
25513 out of delete_computation. Check for side effects with
25514 side_effects_p instead of FIND_REG_INC_NOTE. Handle
25515 multi-word hard registers.
25516 (delete_computation): Use it. Check for side effects with
25517 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
25518 missing REG_DEAD note for a register which is both set and
25521 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
25523 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
25524 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
25525 (ASM_FILE_START): Import _mcount with the right type.
25526 (ASM_DECLARE_FUNCTION_NAME): Define.
25527 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
25528 * pa.c (output_function_prologue): Always emit the function's label
25530 * pa.h (TEXT_SPACE_P): Define.
25531 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25532 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
25533 * som.h (TEXT_SPACE_P): Delete.
25534 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25535 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
25537 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
25539 * expr.c (emit_group_load): Allow src to be a CONCAT.
25541 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25543 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
25544 (___mulsi3): Use '!' comment character.
25546 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25548 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
25550 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
25552 * gcc.c: Update URLs and mail addresses.
25553 * gcc.texi: Likewise.
25555 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
25557 * rs6000.c (current_file_function_operand): Return zero for
25559 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
25561 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
25564 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
25566 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
25567 allocate space in the stack frame for the PIC register.
25569 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
25571 * m68k.md (xordi3, anddi3): These patterns are not available on
25574 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
25576 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
25577 (PUT_REAL): Likewise.
25579 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25581 * final.c (shorten_branches): Don't add an alignment for loops
25582 that have no label inside.
25584 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25586 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
25587 prototypes in macro HAVE_cmpstrsi.
25589 * cpplib.c (cpp_get_token): Remove unused label `op3'.
25591 * emit-rtl.c (operand_subword): Remove unused variable
25594 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
25596 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
25598 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
25600 * cpphash.c (macroexpand): Delete leading whitespace when arg
25601 is concatenated before.
25602 (unsafe_chars): Correct test for whether + and - can extend a
25605 * cppinit.c (cpp_start_read): Do dependencies for
25606 -include/-imacros files also.
25608 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
25609 tokenizing non-directive lines.
25610 (cpp_expand_to_buffer): Temporarily disable no-output mode.
25611 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
25614 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25616 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
25618 * c-lex.c: Sync with C++ frontend.
25619 (linemode): New variable.
25620 (parse_float): imag, conversion_errno, and type are output only.
25621 (yylex): Adjust. Move initial '.' case into main switch.
25623 (handle_generic_pragma): Just deal with tokens.
25624 (readescape): Use ISXDIGIT and ISGRAPH.
25625 * c-parse.in: Add END_OF_LINE token.
25627 * c-lex.c (lang_init): Generalize.
25628 (nextchar): Remove. Replace uses with UNGETC.
25629 (skip_white_space): Handle linemode here. Optimize for cpplib.
25630 (skip_white_space_on_line): Remove.
25631 (extend_token_buffer_to): New fn.
25632 (extend_token_buffer): Use it.
25633 (read_line_number, check_newline): Just deal with tokens.
25634 (token_getch, token_put_back): New fns.
25635 (yylex): Use them. More cpplib optimizations. Simplify.
25637 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25638 Jason Merrill <jason@yorick.cygnus.com>
25640 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
25641 (consume_string): Make this smart about USE_CPPLIB.
25642 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
25643 (yylex): Rewrite to be intelligent about USE_CPPLIB.
25644 Also, clean up cases where we redundantly set token_buffer[0].
25645 (read_line_number): New fn.
25646 (ignore_escape_flag): New variable.
25648 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
25650 * a29k/t-a29kbare: Fix some comments.
25651 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
25652 (FPBIT, DPBIT): Define.
25653 * a29k/t-vx29k: Likewise.
25654 * arc/t-arc: Likewise.
25655 * arm/t-arm-elf: Likewise.
25656 * arm/t-bare: Likewise.
25657 * arm/t-pe: Likewise.
25658 * arm/t-pe-thumb: Likewise.
25659 * arm/t-semi: Likewise.
25660 * arm/t-thumb: Likewise.
25661 * arm/t-thumb-elf: Likewise.
25662 * arm/t-thumb-linux: Likewise.
25663 * h8300/t-h8300: Likewise.
25664 * i960/t-i960: Likewise.
25665 * i960/t-vxworks960: Likewise.
25666 * m32r/t-m32r: Likewise.
25667 * mips/t-ecoff: Likewise.
25668 * mips/t-elf: Likewise.
25669 * mips/t-r3900: Likewise.
25670 * pa/t-pro: Likewise.
25671 * rs6000/t-aix43: Likewise.
25672 * rs6000/t-beos: Likewise.
25673 * rs6000/t-newas: Likewise.
25674 * rs6000/t-ppccomm: Likewise.
25675 * rs6000/t-rs6000: Likewise.
25676 * rs6000/t-winnt: Likewise.
25677 * rs6000/t-xnewas: Likewise.
25678 * rs6000/t-xrs6000: Likewise.
25679 * sh/t-sh: Likewise.
25680 * sparc/t-elf: Likewise.
25681 * sparc/t-sparcbare: Likewise.
25682 * sparc/t-sparclite: Likewise.
25683 * sparc/t-splet: Likewise.
25684 * v850/t-v850: Likewise.
25685 * mn10200/t-mn10200: Fix comments.
25686 * mn10300/t-mn10300: Likewise.
25688 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
25689 dummy operand. Allocate a new pseudo for the dummy operand.
25690 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
25692 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
25694 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
25696 * configure: Rebuilt.
25697 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
25699 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
25701 * recog.c (preproces_constraints): Zero recog_op_alt before
25702 processing the constraints.
25704 * arm.c (typedef minipool_node): Renamed from pool_node.
25705 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
25706 (add_minipool_constant): New function.
25707 (dump_minipool): New function.
25708 (find_barrier): Remove special case for getting the insn size of
25709 an insn that references the constant pool.
25710 (minipool_fixup): New structure.
25711 (push_minipool_barrier): New function.
25712 (push_minipool_fix): New function.
25713 (note_invalid_constants): New function.
25714 (add_pool_constant, dump_table, fixit, broken_move): Delete.
25715 (arm_reorg): Rewrite code to fix up the constant pool into a
25716 series of mini-pools embedded in the insn stream.
25717 (arm_output_epilogue): New function, made mainly from the body
25718 of output_func_epilogue.
25719 (output_func_epilogue): Move insn generation part of epilogue code
25720 to arm_output_epilogue.
25721 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
25722 * arm.md (pool_range): New attribute.
25723 (zero_extendqidi2): Add attribute pool_range.
25724 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
25725 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
25726 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
25727 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
25728 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
25729 (epilogue): New expand.
25730 (epilogue_insn): New insn. Call arm_output_epilogue.
25732 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
25733 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
25735 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25737 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25739 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
25741 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
25743 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
25745 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
25747 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
25749 * global.c: Fix comment.
25751 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
25753 * gcc.c (access_check): New static function.
25754 (find_a_file): Use it when searching a directory list.
25755 * collect2.c (find_a_file): Don't accept directories found when
25756 searching a directory list.
25758 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
25760 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
25761 function parameters with `&'.
25762 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
25764 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
25766 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
25767 or tidy_fallthru_edge if the last insn in the block is not
25768 an unconditional jump or a simple conditional jump.
25770 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25772 * Makefile.in (c-decl.o): Depends on defaults.h.
25774 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
25776 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
25778 (CLASS_MAX_NREGS): Likewise.
25780 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
25782 * cse.c (cse_insn): Fix dumb thinko in last change.
25784 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25786 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
25789 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
25791 * dwarf2out.c (add_location_or_const_value_attribute): Correct
25792 test for sizes of passed and declared parameter types.
25794 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25796 * fixincludes: Fix the return type of bsearch, char* -> void*.
25798 * fixinc/inclhack.def: Likewise.
25800 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
25802 * invoke.texi (-fdump-translation-unit): New option.
25804 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
25806 * expr.h (PROMOTE_PROTOTYPES): Move ...
25807 * defaults.h: ... to here.
25808 * c-decl.c: Include defaults.h instead of expr.h.
25809 * c-typeck.c: Include defaults.h.
25811 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
25813 * toplev.h (errorcount): Declare.
25814 (warningcount): Likewise.
25815 (sorrycount): Likewise.
25816 * c-lex.c (errorcount): Don't declare.
25817 * dwarf2out.c (errorcount): Don't declare.
25819 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
25821 * config/libgloss.h: Add a note discouraging use with ELF.
25822 * configure.in: Don't use libgloss.h for ELF targets.
25823 Always use_collect2 on a.out targets.
25825 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
25827 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
25828 (force_to_mode, case ASHIFTRT): Add shiftrt label.
25830 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25832 * loop.c (strength_reduce): When doing biv->giv conversion, update
25833 reg note of NEXT->insn.
25835 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25837 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
25839 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25841 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
25842 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
25843 Ensure expr.h is included.
25844 * c-typecheck.c (convert_arguments): Ditto.
25846 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
25848 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
25849 * config/convex/convex.h: Ditto.
25850 * config/dsp16xx/dsp16xx.h: Ditto.
25851 * config/fx80/fx80.h: Ditto.
25852 * config/gmicro/gmicro.h: Ditto.
25853 * config/i370/i370.h: Ditto.
25854 * config/i386/i386.h: Ditto.
25855 * config/m32r/m32r.h: Ditto.
25856 * config/m68k/m68k.h: Ditto.
25857 * config/m88k/m88k.h: Ditto.
25858 * config/mips/mips.h: Ditto.
25859 * config/pa/pa.h: Ditto.
25860 * config/pyr/pyr.h: Ditto.
25861 * config/tahoe/tahoe.h: Ditto.
25862 * config/we32k/we32k.h: Ditto.
25864 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
25865 based on arch size.
25867 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
25869 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
25872 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
25874 1999-08-02 Richard Henderson <rth@cygnus.com>
25876 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
25877 for the register spill block.
25878 (m32r_va_arg): New.
25879 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
25880 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
25882 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
25883 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
25884 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
25886 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25888 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
25889 MAX_WCHAR_TYPE defined in sparc.h.
25890 * config/sparc/linuxaout.h: Likewise.
25891 * config/sparc/linux64.h: Likewise.
25892 Also default to -mvis if CPU is UltraSPARC.
25894 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25896 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
25897 (RTX_OK_FOR_OLO10): Likewise.
25898 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
25899 %lo(), allow it in addresses...
25900 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
25901 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
25902 does not make sense.
25903 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
25904 (sparc_output_scratch_registers): New function.
25905 (output_function_prologue, sparc_flat_output_function_prologue): Use
25907 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
25909 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
25910 * configure.in: Add check for .register pseudo-op support in as and
25911 check for offsetable %lo().
25912 * acconfig.h: Add templates for the above checks.
25913 * configure: Regenerate.
25915 1999-08-02 Richard Henderson <rth@cygnus.com>
25917 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
25918 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
25919 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
25921 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25923 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25926 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25928 * config/float-sparc.h: New file.
25929 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
25930 sparc-*-linux-gnu and sparc64-*-linux*.
25932 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25934 * rs6000.c (rs6000_va_list): Type is an array.
25935 (rs6000_va_start): Don't doubly adjust for varargs.
25936 (rs6000_va_arg): Evaluate long long GPR adjustment.
25938 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
25940 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
25941 -maix64 and -maix32.
25942 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
25943 LINK_SPEC): Change appropriately.
25944 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
25945 (u_short_cint_operand): Likewise.
25946 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
25948 * rs6000/t-aix43 (MULTILIB): Change to -m64.
25950 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
25952 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
25954 * rs6000/rs6000.c (num_insns_constant_wide): Correct
25955 for type promotion.
25956 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
25957 (non_add_cint_operand): Likewise.
25958 (logical_operand): Likewise.
25959 (non_logical_cint_operand): Likewise.
25960 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
25961 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
25962 (rs6000_select_rtx_section): Suppress warning.
25963 (small_data_operand): Suppress warning.
25964 (rs6000_got_register): Suppress warning.
25965 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
25966 type, so `J' is generally the wrong constraint for a SImode value;
25968 (andsi3_internal2): Likewise.
25969 (andsi3_internal3): Likewise.
25970 (iorsi3_internal1): Likewise.
25971 (xorsi3_internal1): Likewise.
25973 (movsf_softfloat): Likewise.
25974 (scc insns): Likewise.
25975 (movsi+2): Preserve sign bits of SImode constant.
25976 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
25977 (movdf+1): Sign-extend properly.
25978 (movdi_32+1): Sign-extend properly.
25979 (scc insns): Sign-extend properly.
25981 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
25984 1999-08-02 Richard Henderson <rth@cygnus.com>
25986 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
25987 -mcpu parsing code.
25988 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
25989 * alpha.md (all fp insns): Likewise.
25991 1999-08-02 Nick Clifton <nickc@cygnus.com>
25993 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
25996 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
25998 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
25999 pic_load_label generator directly.
26000 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
26001 No longer a named pattern.
26003 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
26005 * explow.c (force_reg): Call force_operand if X does not
26006 satisfy general_operand.
26008 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
26010 * fix-header.c (main): When testing for CONTINUED, use string
26011 equality, not pointer equality.
26013 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
26015 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
26017 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
26019 * cse.c (cse_insn): Fix loop which deletes insns after a jump
26020 that has become an unconditional jump.
26022 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
26023 (output_function_epilogue): Similarly.
26025 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26027 * tree.h (init_dummy_function_start): Declare.
26029 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26031 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
26032 last_expr_type, last_expr_value, block_start_count, block_stack,
26033 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
26034 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
26035 dynamically in stmt elt of struct function for each function.
26036 (struct nesting): Rename function_call_count elt to n_function_calls,
26037 target_temp_slot_level to block_target_temp_slot_level. All users
26039 (struct stmt_status): New structure definition.
26040 Add many accessor macros for stmt_status elements which previously
26041 were global variables.
26042 (init_stmt_for_function): Allocate stmt elt for current_function.
26043 Reflect that block_start_count was renamed to
26044 current_block_start_count.
26045 (save_stmt_status, restore_stmt_status): Delete functions.
26046 (preserve_subexpressions_p): Don't access loop_stack when outside
26048 (expand_start_bindings): Reflect that block_start_count was renamed to
26049 current_block_start_count.
26050 (expand_fixup): Likewise.
26051 (expand_decl): Don't access block_stack when outside a function.
26052 (expand_decl_cleanup): Likewise.
26053 (expand_dcc_cleanup): Likewise.
26054 (expand_dhc_cleanup): Likewise.
26055 (expand_anon_union_decl): Likewise.
26056 (set_file_and_line_for_stmt): New function.
26057 (in_control_zone_p): New function.
26059 * function.h (struct function): Add new elt stmt.
26060 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
26061 case_stack, nesting_stack, nesting_depth, block_start_count,
26062 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
26063 emit_lineno, goto_fixup_chain.
26064 (save_eh_status, restore_eh_status, save_stmt_status,
26065 restore_stmt_status): Delete declarations.
26066 * function.c (push_function_context_to): Don't call save_stmt_status.
26067 (pop_function_context_to): Don't call restore_stmt_status.
26068 * tree.h (in_control_zone_p): Declare.
26069 * rtl.h (set_file_and_line_for_stmt): Declare.
26071 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
26072 call set_file_and_line_for_stmt.
26074 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
26076 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
26077 Also update copyright.
26079 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26081 * c-pragma.c: Don't include "except.h".
26082 * emit-rtl.c: Likewise.
26083 * stor-layout.c: Likewise.
26084 * tree.c: Likewise.
26085 * varasm.c: Likewise.
26087 * flow.c: Include "function.h".
26088 * tree.h (init_dummy_function_start): Declare new function.
26090 * except.h (struct eh_status): New structure.
26091 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
26093 (eh_return_stub_label, ehstack, catchstack, ehqueue,
26094 catch_clauses, false_label_stack, caught_return_label_stack,
26095 protect_list, current_function_ehc): Add accessor macros for the
26096 corresponding fields in current_function->eh; delete declarations
26097 for all items that used to be declared here.
26098 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
26099 catch_clauses, false_label_stack, caught_return_label_stack,
26100 protect_list, current_function_ehc): Delete variables.
26101 (init_eh_for_function): Allocate current_function->eh.
26102 (save_eh_status, restore_eh_status): Delete functions.
26104 * function.h (struct function): Add fields next_global and eh.
26105 Delete all exception handling related fields.
26106 * function.c (current_function): New variable.
26107 (all_functions): New variable.
26108 (push_function_context_to): Don't allocate a struct function,
26109 use current_function instead. Call init_dummy_function_start when
26110 outside a function. Clear current_function before returning.
26111 (pop_function_context_from): Restore current_function.
26112 Don't free the restored struct function.
26113 (prepare_function_start): New function.
26114 (init_dummy_function_start): New function.
26115 (init_function_start): Break out some code into prepare_function_start
26118 * stmt.c (save_stmt_status): Don't call save_eh_status.
26119 (restore_stmt_status): Don't call restore_eh_status.
26121 * Makefile.in: Update dependencies.
26123 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
26125 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
26126 of depending on a magic constant value. Update comments.
26127 (hppa_expand_prologue): Similarly.
26129 * pa.md (reload_indi, reload_outdi): Allow any register for the
26130 original reload register.
26132 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
26134 * cccp.c (print_help): Change marcos to macros.
26136 1999-07-30 Richard Henderson <rth@cygnus.com>
26138 * c-typeck.c (initializer_constant_valid_p): Move ...
26139 * c-common.c (initializer_constant_valid_p): ... here. Use
26140 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
26141 of label addresses.
26142 * c-common.h (initializer_constant_valid_p): Declare.
26143 * c-tree.h (initializer_constant_valid_p): Remove.
26145 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
26147 * config/i386/sol2-c1.asm: Align the stack.
26148 * config/i386/sol2-gc1.asm: Likewise.
26150 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
26152 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
26153 -Asparclite for sparc86x.
26154 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
26156 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
26158 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
26160 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
26161 the user if using the non-default arch size in BI_ARCH configuration.
26162 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
26164 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
26165 Fix patterns so that they actually match.
26166 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
26167 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
26168 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
26170 (mulsidi3): Reflect this in the expand.
26171 (smulsi3_highpart): Only on TARGET_ARCH32.
26172 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
26173 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
26174 (umulsidi3): Reflect this in the expand.
26175 (umulsi3_highpart): Only on TARGET_ARCH32.
26176 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
26177 don't require g0 to be zero.
26178 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
26179 ({,u}divsi3): New expands.
26180 ({,u}divsi3_sp64): New patterns.
26181 (after lshrdi3_v8plus): Four new patterns to help combiner
26182 optimizing nested mixed mode shifts.
26184 * config/sparc/sparc.c (sparc_override_options): Use deprecated
26185 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
26186 speed things up. Don't use them by default on plain v9 in 64bit
26187 mode, according to what SPAMv9 sais.
26189 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
26190 top 32 bits of %[og][0-7] in signal handlers.
26191 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
26193 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
26195 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
26196 (ashlsi3): Corresponding changes.
26198 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
26200 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
26202 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
26204 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26206 * arm.h (Hint): Delete macro.
26207 Substitute HOST_WIDE_INT for Hint in some prototypes.
26208 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
26210 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
26212 * builtins.c (expand_builtin_setjmp): Use force_operand to
26213 make sure that the buffer address is in a suitable form to be
26214 passed to force_reg.
26216 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
26218 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
26221 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
26223 * pa.md (indirect_jump): Remove mode from match_operand. Verify
26224 proper mode in the condition string.
26225 (icacheflush, dcacheflush): Remove modes from match_operands.
26227 * pa.c (emit_move_sequence): Always convert scratch_reg to the
26228 proper mode before using it.
26230 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
26233 * pa.c (store_reg): Do not call add_high_const generator directly.
26234 (load_reg, set_reg_plus_d): Likewise.
26235 * pa.md (add_high_const): No longer a named pattern.
26237 * pa.c (legitimize_address): Consistently use Pmode rather than
26238 SImode. Do not call gen_pic2_highpart directly anymore.
26239 * pa.md (pic2_highpart): No longer a named pattern.
26240 (pic2_lo_sum): Similarly. Reformat to make more readable.
26242 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
26247 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26249 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
26251 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
26253 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
26254 and tag the spill mems.
26255 (hppa_va_start): New.
26256 (hppa_va_arg): New.
26257 * pa.h (EXPAND_BUILTIN_VA_START): New.
26258 (EXPAND_BUILTIN_VA_ARG): New.
26260 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
26262 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
26263 and tag the spill mems.
26264 (mn10300_va_start): New.
26265 (mn10300_va_arg): New.
26266 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
26267 (EXPAND_BUILTIN_VA_ARG): New.
26269 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
26271 * mn10200.c (mn10200_va_arg): New.
26272 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
26274 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
26276 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
26277 rather than play with TREE_INT_CST_LOW.
26279 1999-07-27 Philip Blundell <pb@nexus.co.uk>
26281 * config/arm/telf.h: Include dbxelf.h.
26282 (CPP_PREDEFINES): Only define if not already defined.
26283 (ASM_IDENTIFY_GCC): Likewise.
26284 (SUBTARGET_EXTRA_SECTIONS): Likewise.
26285 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
26286 * config/arm/thumb.h (LINK_SPEC): Only define if not already
26288 (DBX_DEBUGGING_INFO): Don't define.
26289 * config/arm/linux-telf.h: New file.
26290 * config/arm/linux-tgas.h: New file.
26291 * config/arm/t-thumb-linux: New file.
26292 * config/arm/uclinux-elf.h: New file.
26293 * config/arm/uclinux-telf.h: New file.
26294 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
26295 thumb-*-uclinux): New targets.
26296 * configure: Regenerate.
26298 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
26300 * pa.md (post_store, pre_load): New expanders.
26301 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
26302 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
26303 need to directly generate RTL for them.
26304 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
26307 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
26309 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
26310 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
26311 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
26312 (secndary_reload_class): Make TARGET_ELF conditional compile.
26313 (print_operand_address): Similar.
26314 (output_toc): Print all values as hex.
26315 (get_issue_rate): Rearrange and add RS64A and PPC630.
26316 * rs6000.h (processor_type): Add RS64A and PPC630.
26317 (PROCESSOR_POWERPC64): New.
26318 (PROMOTE_MODE): Use word_mode.
26319 (RTX_COSTS): Add RS64A and PPC630.
26320 * rs6000.md (scheduling information): Add lmul and ldiv
26321 representing 64-bit integer multiply and divide. Add rs64a and
26322 PPC630 information.
26323 (ashldi3): Add support for "rldic" instruction.
26324 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
26326 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
26328 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
26329 instead of V8 for sparclite86x in cpu_table.
26331 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26333 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
26334 output_file_directive.
26336 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
26338 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
26339 tree for op1, not the rtl.
26341 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
26343 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
26344 to m88k_va_start, leaving only the register spill.
26345 (m88k_build_va_list): New.
26346 (m88k_va_start): New.
26347 (m88k_va_arg): New.
26348 * m88k.h (BUILD_VA_LIST_TYPE): New.
26349 (EXPAND_BUILTIN_VA_START): New.
26350 (EXPAND_BUILTIN_VA_ARG): New.
26352 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
26354 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
26355 Rename from expand_builtin_saveregs.
26356 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
26358 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
26360 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
26361 for the register spill block.
26362 (i960_build_va_list): New.
26363 (i960_va_start): New.
26364 (i960_va_arg): New.
26365 * i960.h (BUILD_VA_LIST_TYPE): New.
26366 (EXPAND_BUILTIN_VA_START): New.
26367 (EXPAND_BUILTIN_VA_ARG): New.
26368 * i960.md (store_multiple): Use change_address on individul mems.
26370 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
26372 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
26374 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
26375 (expand_builtin_va_end): Evaluate arg for side effects.
26376 * c-common.c (c_common_nodes_and_builtins): Construct a
26377 va_list_arg_type_node to handle array decomposition to pointer.
26379 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
26381 * except.c (st_dynamic_cleanup): Use force_operand on the
26384 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
26386 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
26387 * c4x.c (c4x_va_arg): New.
26389 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
26391 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
26392 has manual_pop set.
26394 1999-07-26 Nathan Sidwell <nathan@acm.org>
26396 * eh-common.h (__eh_matcher): Prototype correctly.
26398 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
26400 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
26401 (TARGET_SINGLE_PIC_BASE): Likewise.
26402 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
26404 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
26405 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
26406 (TARGET_OPTIONS): Add -mpic-register=N.
26407 (OUTPUT_INT_ADDR_CONST): New macro.
26408 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
26409 LEGITIMATE_PIC_OPERAND_P): Likewise.
26410 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
26411 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
26412 output_addr_const directly.
26413 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
26415 (thumb_pic_register, thumb_pic_register_string): Declare.
26417 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
26419 (label_mentioned_p): New function: Imported from arm.c.
26420 (legitimize_pic_address): New function: Imported from arm.c.
26421 (is_pic):New function: Imported from arm.c.
26422 (thumb_finalize_pic):New function: Imported from arm.c.
26423 (add_constant): Cope with PIC constants.
26424 (fixit): Cope with PIC constants.
26425 (output_return): Do not treat the PIC register as live if
26426 TARGET_SINGLE_PIC_BASE is true.
26427 (thumb_function_prologue): Do not treat the PIC register as live if
26428 TARGET_SINGLE_PIC_BASE is true.
26429 (thumb_expand_prologue): Do not treat the PIC register as live if
26430 TARGET_SINGLE_PIC_BASE is true.
26431 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
26432 TARGET_SINGLE_PIC_BASE is true.
26433 (thumb_print_operand): Accept '|'.
26434 (thumb_override_options): Process PIC options.
26436 * config/arm/thumb.md (movsi): Support PIC.
26437 (call_insn): Change "i" constraint to "X".
26438 (call_value_insn): Likewise.
26439 (consttable_4, consttable_8, consttable_end): Set and clear
26440 "making_const_table" as appropriate.
26441 (pic_load_addr, pic_add_dot_plus_four): New insns.
26443 * invoke.texi (Thumb Options): Fix spelling. Document new
26444 options -msingle-pic-base and -mpic-register=.
26446 1999-07-26 Andrew Haley <aph@cygnus.com>
26448 * config/m32r/initfini.c (__init): Use a full word immediate for
26449 __fini: this allows it to be placed in any memory region.
26451 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
26452 -mmodel=medium. This is OK for all memory models.
26454 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
26456 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
26457 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
26459 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
26461 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
26464 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
26466 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
26468 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
26469 (BUILD_VA_LIST_TYPE): New.
26470 (EXPAND_BUILTIN_VA_START): New.
26471 (EXPAND_BUILTIN_VA_ARG): New.
26472 * i860.c (output_delayed_branch): Disable.
26473 (output_delay_insn): Likewise.
26474 (i860_saveregs): New.
26475 (i860_build_va_list): New.
26476 (i860_va_start): New.
26477 (i860_va_arg): New.
26478 * i860.md: Disable all peepholes using output_delayed_branch.
26479 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
26481 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
26483 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
26484 (BUILD_VA_LIST_TYPE): New.
26485 (EXPAND_BUILTIN_VA_START): New.
26486 (EXPAND_BUILTIN_VA_ARG): New.
26487 * clipper.c (clipper_builtin_saveregs): Only dump registers.
26488 Return the address of the save area.
26489 (clipper_build_va_list): New.
26490 (clipper_va_start): New.
26491 (clipper_va_arg): New.
26493 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
26495 * arc.h (EXPAND_BUILTIN_VA_START): New.
26496 (EXPAND_BUILTIN_VA_ARG): New.
26497 * arc.c (arc_setup_incoming_varargs): Set alias set of
26499 (arc_va_start): New.
26502 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
26504 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
26505 (BUILD_VA_LIST_TYPE): New.
26506 (EXPAND_BUILTIN_VA_START): New.
26507 (EXPAND_BUILTIN_VA_ARG): New.
26508 * alpha.c (alpha_builtin_saveregs): Delete.
26509 (alpha_build_va_list): New.
26510 (alpha_va_start): New.
26511 (alpha_va_arg): New.
26513 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
26515 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
26517 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
26518 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
26520 * gcc.texi: More changes related to list conversion.
26521 * invoke.texi: Likewise.
26523 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
26525 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
26526 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
26527 (expand_builtin_next_arg): Accept ARGLIST not EXP.
26528 (stabilize_va_list): New function.
26529 (std_expand_builtin_va_start): New function.
26530 (expand_builtin_va_start): New function.
26531 (get_varargs_alias_set): New function.
26532 (std_expand_builtin_va_arg): New function.
26533 (expand_builtin_va_arg): New function.
26534 (expand_builtin_va_end): New function.
26535 (expand_builtin_va_copy): New function.
26536 (expand_builtin): Call them.
26537 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
26538 __builtin_{varargs_start,stdarg_start,end,copy}.
26539 (build_va_arg): New function.
26540 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
26541 (build_va_arg): Declare.
26542 * c-decl.c (ptr_type_node, va_list_type_node): New.
26543 * c-parse.gperf (__builtin_va_arg): New.
26544 * c-parse.in (VA_ARG): New token.
26545 (unary_expr): Recognize it.
26546 * expr.c (expand_expr): Expand VA_ARG_EXPR.
26547 * expr.h (std_expand_builtin_va_start): Declare.
26548 (std_expand_builtin_va_arg): Declare.
26549 (expand_builtin_va_arg): Declare.
26550 (get_varargs_alias_set): Declare.
26551 * tree.def (VA_ARG_EXPR): New.
26552 * tree.h (BUILT_IN_VARARGS_START): New.
26553 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
26554 (ptr_type_node, va_list_type_node): Declare.
26555 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
26556 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
26557 * m88k.h, m88k.c: Likewise.
26558 * mn10300.h, mn10300.c: Likewise.
26559 * pa.h, pa.c: Likewise.
26560 * rs6000.h, rs6000.c: Likewise.
26561 * sh.h, sh.c: Likewise.
26562 * sparc.h, sparc.c: Likewise.
26564 * emit-rtl.c (operand_subword): Copy alias set.
26565 (change_address): Likewise.
26567 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
26569 * pa.c (compute_frame_size): Scan all the used callee saved registers,
26570 not just the first one.
26572 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
26574 * config/arm/arm.h (TARGET_SWITCHES): Add
26575 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
26576 (TARGET_OPTIONS): Add -mpic-register=.
26577 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
26578 (arm_pic_register_string): Declare.
26579 (NEED_PLT_GOT): Delete, replace with ...
26580 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
26581 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
26582 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
26583 * config/arm/arm.c (arm_override_options): Add new option
26585 (arm_pic_register_string): New variable.
26586 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
26587 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
26588 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
26589 (output_return_instruction): Likewise.
26590 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
26591 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
26592 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
26594 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
26595 mention of -msched-prolog. Document new options -msingle-pic-base
26596 and -mpic-register=.
26598 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
26600 * haifa-sched.c (reemit_notes): Tidy.
26601 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
26604 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
26606 * explow.c (trunc_int_for_mode): New function.
26607 (plus_constant_wide): Use it.
26608 * combine.c (simplify_and_const_int): Likewise.
26609 (merge_outer_ops): Likewise.
26610 (simplify_shift_const): Likewise.
26611 * cse.c (simplify_unary_operation): Likewise.
26612 (simplify_binary_operation): Likewise.
26613 * emit-rtl.c (operand_subword): Likewise.
26614 * rtl.h: Declare it.
26616 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26618 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
26619 (use NUM_REGS instead of NUM_INTS).
26621 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26623 * builtins.c: New file.
26624 * expr.c (saveregs_value, apply_args_value): Delete definition,
26625 moved into builtins.c.
26626 (string_constant): No longer static.
26627 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
26628 apply_args_size, apply_result_size, result_vector,
26629 expand_builtin_apply_args, expand_builtin_apply,
26630 expand_builtin_return): Delete functions, moved into builtins.c.
26631 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
26632 * expr.h (saveregs_value, apply_args_value): Declare variables.
26633 (expand_builtin, string_constant): Declare functions.
26634 * Makefile.in: Update to build builtin.o.
26636 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
26638 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
26639 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
26640 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
26641 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
26643 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
26646 1999-07-21 Michael Meissner <meissner@cygnus.com>
26648 * print-rtl.c (print_rtx): Print the names of the virtual
26651 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
26653 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
26654 introduced in previous delta.
26656 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26658 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
26659 to avoid name clash.
26661 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
26663 * c-lex.c (yylex) : Correct the test for overflow when lexing
26666 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
26668 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
26669 (adjust_priority): Always call ADJUST_PRIORITY.
26670 (schedule_insn): Only put insns into the ready at cost 0.
26671 (schedule_block): Remove redundant initial sort. Give clock_var
26672 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
26674 * tm.texi (MD_SCHED_REORDER): Update docs.
26676 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
26677 * sparc.c (ultra_reorder_called_this_block): Delete.
26678 (ultrasparc_sched_init): Don't set it.
26679 (ultrasparc_sched_reorder): Don't check it.
26681 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
26683 * rs6000.h (struct rs6000_args): Add sysv_gregno.
26684 * rs6000.c (init_cumulative_args): Init sysv_gregno.
26685 (function_arg_boundary): Align DFmode.
26686 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
26687 to get fp reg and stack overflow correct.
26688 (function_arg): Likewise.
26689 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
26690 (setup_incoming_varargs): Restructure for ABI_V4; use
26691 function_arg_advance to skip final named argument.
26692 (expand_builtin_saveregs): Properly unskip the last integer arg
26693 when doing varargs. Adjust overflow location calculation.
26695 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
26696 explicitly unsigned.
26697 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
26698 (__VA_GP_REGSAVE): Similarly.
26699 (__va_longlong_p): Delete.
26700 (__va_arg_type_violation): New declaration.
26701 (va_arg): Restructure. Flag promotion errors. Align double.
26702 TFmode passed by reference.
26704 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
26705 in the HOST_BITS_PER_WIDE_INT > 32 case.
26707 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
26709 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
26711 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
26713 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
26714 * toplev.c (documented_lang_options): Add -fpreprocessed.
26715 * cpplib.h (struct cpp_buffer): Add preprocessed.
26716 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
26717 (cpp_start_read): Don't expand macros or emit an initial #line
26718 directive if -fpreprocessed.
26720 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26722 * cpplib.h (struct cpp_buffer): Added manual_pop for
26723 better C++ tokenization.
26724 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
26725 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
26726 * c-common.c (cpp_token): Make non-static.
26728 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26730 * c-common.h: New file.
26731 * c-common.c (permanent_obstack): Delete unused declaration.
26732 (c_global_trees): New array.
26733 (c_common_nodes_and_builtins): New function; split off common code
26734 from init_decl_processing in both c-decl.c and cp/decl.c.
26735 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
26736 c_global_trees and accessor macros defined in c-common.h.
26737 Include c-common.h.
26738 * c-decl.c: Delete definitions for tree nodes that were replaced by
26740 (init_decl_processing): Build void_list_node.
26741 Call c_common_nodes_and_builtins; delete code to generate the common
26743 * objc/objc-act.c (build_module_descriptor): Rename variable
26744 void_list_node to avoid clash with c-common.h.
26746 * Makefile.in: Update dependencies.
26747 * objc/Make-lang.in: Likewise.
26749 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
26751 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
26752 (UNIQUE_SECTION_P): Likewise.
26753 (UNIQUE_SECTION): Likewise.
26755 1999-07-19 Linas Vepstas <linas@linas.org>
26757 * config/i370/README: New file.
26758 * config/i370/linux.h: New file.
26759 * config/i370/mvs.h: New file.
26760 * config/i370/oe.h: New file.
26761 * config/i370/t-linux: New file.
26762 * config/i370/t-mvs: New file.
26763 * config/i370/t-oe: New file.
26764 * config/i370/x-oe: New file.
26765 * config/i370/xm-linux.h: New file.
26766 * config/i370/xm-mvs.h: New file.
26767 * config/i370/xm-oe.h: New file.
26769 * i370.c (label_node_t): Add first_ref_page, label_addr,
26770 label_first_ref, label_last_ref members.
26771 (mvs_need_base_reload): Renamed from mvs_label_emitted.
26772 (MAX_MVS_LABEL_SIZE): Define.
26773 (MAX_LONG_LABEL_SIZE): Define.
26774 (alias_node_t, alias_anchor, alias_number): New.
26775 (mvs_function_table): Reorder for EBCDIC.
26776 (ascebc, ebcasc): Unconditionally define.
26777 (i370_branch_dest, i370_branch_length): New functions.
26778 (i370_short_branch, i370_label_scan): New functions.
26779 (mvs_get_label): Renamed from mvs_add_label. Search for
26780 an existing label before creating a new one.
26781 (mvs_add_label): New function.
26782 (mvs_get_label_page): New function.
26783 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
26784 over the entire list.
26785 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
26786 (mvs_check_page) [TARGET_ELF_ABI]: New function.
26787 (mvs_add_alias, mvs_need_alias): New functions.
26788 (mvs_get_alias, mvs_check_alias): New functions.
26789 (handle_pragma): New function.
26790 (mvs_function_check): New function.
26791 (unsigned_jump_follows_p): Search harder.
26792 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
26793 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
26794 * i370.h (TARGET_VERSION): Delete.
26795 (CPP_SPEC, CPP_PREDEFINES): Delete.
26796 (mvs_label_emitted): Delete.
26797 (TARGET_EBCDIC): Delete.
26798 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
26799 (HANDLE_PRAGMA): Define.
26800 (HARD_REGNO_NREGS): Handle complex modes.
26801 (HARD_REGNO_MODE_OK): Likewise.
26802 (CLASS_MAX_NREGS): Likewise.
26803 (RET_REG): Likewise.
26804 (EXTRA_CONSTRAINT): Define.
26805 (RETURN_IN_MEMORY): True for DImode.
26806 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
26807 (FUNCTION_PROFILER): Delete.
26808 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
26809 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
26810 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
26811 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
26812 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
26813 (ASM_FILE_START): Add "RMODE ANY".
26814 (ASM_OUTPUT_EXTERNAL): Check for aliases.
26815 (ASM_GLOBALIZE_LABEL): Likewise.
26816 (ASM_OUTPUT_LABELREF): Likewise.
26817 (ASM_OUTPUT_COMMON): Likewise.
26818 (PRINT_OPERAND): Handle 'K', 'W', default.
26819 (PRINT_OPERAND_ADDRESS): New.
26820 (Lots of defines): Add support for TARGET_ELF_ABI.
26821 * i370.md (attr length): New. Define for all patterns.
26822 (*): Lots of tweeks to assembly output and constraints.
26824 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
26826 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
26827 Disable patterns performing SImode comparisons with SImode values
26828 if TARGET_POWERPC64 and instruction does not sign-extend or does
26829 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
26830 differ for signed quantities.
26831 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
26832 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
26833 (decrement_and_branch_on_count): Add 64-bit variant.
26835 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26837 * final.c (output_asm_insn): When searching for the matching string
26838 for a given dialect, don't run past the end of the list of
26839 alternatives if there are fewer alternatives in the template than
26842 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
26844 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
26845 Removed paragraph about compression of files and size limitation,
26846 duplicated in the FAQ. Use gcc-patches for posting patches.
26847 * gcc.c (main): Updated URL with bug reporting instructions to
26848 gcc.gnu.org. Removed e-mail address.
26849 * system.h (abort): Likewise.
26851 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26853 * Makefile.in (stmp-multilib-sub): Make the files extracted
26854 from $(LIBGCC1) writable.
26856 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
26858 * config/arm/aout.h: Reformat for improved readability.
26860 * config/arm/arm.h: Reformat for improved readability.
26861 Replace uses of fprintf with asm_fprintf where appropriate.
26862 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
26863 function declaration assembler actions.
26864 (NUM_INTS): New macro: Convert from bytes to words.
26865 (NUM_REGS): New macro: Compute number of registers required to
26866 hold a quanitity of tyep MODE.
26867 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
26869 (NUM_ARG_REGS): New macro: The number of argument registers
26871 (ARG_REGISTER): New macro: Compute the register number of the Nth
26873 (LAST_ARG_REGNUM): New macro: The number of the last argument
26875 (SP_REGNUM): New macro: Register number of the stack pointer.
26876 (FP_REGNUM): New macro: Register number of the frame pointer.
26877 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
26878 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
26879 CUMULATIVE_ARGS so that it counts registers not bytes.
26881 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
26883 Replace uses of fprintf with asm_fprintf where appropriate.
26884 (output_ascii_pseudo_op): Replace with version from thumb.c
26886 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
26888 * config/arm/elf.h (CPP_PREDEFINES): Replace with
26889 SUBTARGET_CPP_SPEC.
26890 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
26891 (ASM_FILE_START): Emit ASM_APP_OFF.
26893 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
26895 * pa.c (compute_frame_size): Round frame according to
26896 STACK_BOUNDARY rather than a hardwired value.
26898 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
26900 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
26902 * configure: Rebuilt.
26904 * configure.in (hppa*-*-linux*): New configuration.
26905 * configure: Rebuilt.
26906 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
26907 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
26908 * pa/pa-linux.h: New file.
26909 * pa/t-linux: New file.
26910 * pa/xm-linux.h: New file.
26912 * pa.c (hppa_legitimize_address): Change references from SImode to
26913 either Pmode or word_mode as appropriate.
26914 (emit_move_sequence, store_reg, load_reg): Likewise.
26915 (set_reg_plus_d, hppa_expand_prologue): Likewise.
26916 (output_mul_insn): Likewise.
26917 * pa.h (PROMOTE_MODE): Likewise.
26918 (INITIALZE_TRAMPOLINE): Likewise.
26919 (Pmode): Define to word_mode.
26921 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
26922 value of 4. Allocate 8 bytes for each FP register save.
26923 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
26925 (hppa_expand_prologue): Likewise.
26926 * pa.h (PROMOTE_MODE): Likewise.
26927 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
26928 (FUNCTION_ARG_BOUNDARY): Likewise.
26930 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
26932 * pa.c (out_of_line_prologue_epilogue): Delete.
26933 (override_options): Remove -mspace related code.
26934 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
26935 (compute_frame_size): Only allocate space for register that
26936 actually need to be saved.
26937 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
26938 (TARGET_SWITCHES): Remove -mspace, -mno-space
26939 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
26940 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
26941 * pa/ee.asm, pa/ee_fp.asm: Delete.
26943 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
26945 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
26946 directive in column zero.
26948 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
26950 * m68k.c (output_function_prologue): Fix computation of save mask
26951 when generating PIC code.
26953 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
26955 * tree.c (build_type_attribute_variant): Move current_obstack restore
26956 after build_qualified_type call.
26958 1999-07-15 Mark Mitchell <mark@codesourcery.com>
26960 * configure.in: Use t-iris6, even with GNU LD.
26961 * config/mips/iris6gld.h: Fix typo in linker spec.
26962 * config/mips/t-iris6gld: Remove.
26964 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
26966 * rs6000.md (insv, extzv): Remove SImode dependence in named
26967 patterns. Explicitly generate DImode RTL if PowerPC64 and
26969 (insvdi): Reverse start and size in instruction template.
26971 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
26973 * invoke.texi: Typo fixes.
26975 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
26977 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
26978 handle at this time instead of silently generating incorrect code.
26979 (gen_imagpart): Likewise.
26981 * reload.c (find_reloads): Emit a USE for a pseudo register without
26982 a hard register if we could not create an optional reload for the
26985 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26987 * c-typeck.c (output_init_element, process_init_element):
26988 When advancing constructor_unfilled_fields for a RECORD_TYPE,
26989 check for nameless bit fields.
26991 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
26993 * regclass.c (scan_one_insn): Notice subregs that change the
26994 size of their operand.
26995 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
26997 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
26999 * configure.in (alpha*-*-*): Include alpha/t-ieee.
27000 * configure: Rebuilt.
27001 * alpha/t-ieee: New file.
27003 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
27005 * rs6000.c (find_addr_reg): Do not select r0 as an address
27008 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
27010 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
27012 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
27014 * rs6000.md (movsf): Do not force easy FP constants into memory.
27016 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
27017 immed_double_const to ensure they are properly truncated then
27020 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27022 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
27023 always unless NO_DEBUG is used. Compile this code
27025 (replace_symbols_in_block): Compile it unconditionally.
27027 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
27029 * configure.in (i?86-*-elf*): New target.
27030 * configure: Rebuilt.
27031 * i386/i386elf.h, i386/t-i386elf: New files.
27033 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
27035 * toplev.c (main): Don't complain about saying -gdwarf.
27036 (rest_of_compilation): Remove redundant code.
27038 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
27040 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
27042 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
27044 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
27045 "Li960R:", to avoid name clash.
27047 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27049 * loop.c (check_dbra_loop): When reversing a loop, delete all
27050 REG_EQUAL notes referencing the reversed biv except those which are
27051 for a giv based on it.
27053 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
27055 * version.c: Drop "gcc-" prefix from version #.
27057 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
27059 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
27060 the label if we're being verbose.
27062 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
27064 * m68k.c (output_function_prologue): Add pic register to mask
27065 if live and flag_pic.
27066 (output_function_epilogue): Likewise.
27068 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
27070 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
27071 directives in column zero.
27073 * pa/elf.h (ASM_FILE_START): Define.
27074 * pa/som.h (ASM_FILE_START): Include .level directives.
27075 * pa/hpux10.h (ASM_FILE_START): Delete.
27076 * pa/hpux11.h (ASM_FILE_START): Delete.
27078 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
27080 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27082 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
27083 when reload_out equals reload_in.
27085 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
27087 * invoke.texi (Spec Files): New node: Describe the contents of
27090 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
27092 * invoke.texi (DEC Alpha Options): Put @end table at
27093 beginning of line, to avoid confusing texi2html.
27095 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
27097 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
27098 introduced in previous delta.
27100 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27102 * reload1.c (gen_reload): When synthesizing a 3 operand add
27103 sequence, improve test for when to reload OP1 into the reload
27104 register instead of OP0.
27106 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
27108 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
27110 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
27112 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
27115 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
27117 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
27118 (va_dcl): Use __builtin_va_alist_t.
27120 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
27122 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
27123 on the permanent_obstack.
27124 * dwarfout.c (output_type): Likewise.
27126 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
27128 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27129 Merged from c-typeck.c and cp/typeck.c.
27130 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27131 Merged into c-common.
27133 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
27135 * c-lex.c (errorcount): Declare it.
27136 (finish_parse): Update errorcount when using CPPLIB.
27138 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
27140 * fixinc/inclhack.def(end_else_label): Double the backslash so
27141 sed gets a chance to see it.
27142 * fixinc/inclhack.sh: regen
27143 * fixinc/fixincl.x: regen
27145 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
27147 Add framework to support armv5 architecture when it becomes
27150 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
27151 (arm_arch5): New variable.
27152 (all_architectures): Add armv5 line.
27153 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
27154 -march=armv5 is specified on the command line.
27155 (arm_arch5): Export this variable.
27156 * invoke.texi: Document new string accepted by -march= switch for
27159 * config/arm/arm.h: Replace use of constant 12 as a register
27160 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27161 * config/arm/arm.c: Replace use of constant 12 as a register
27162 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27164 * config/arm/elf.h: Tidy up.
27165 * config/arm/coff.h: Tidy up.
27167 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
27169 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
27170 * gcc/config/mips/t-iris6gld: New file.
27171 * gcc/config/mips/iris6gld.h: Likewise.
27173 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
27175 * c-decl.c (widest_integer_literal_type_node,
27176 widest_unsigned_literal_type) : New.
27177 (init_decl_processing): Handle/use the two new types.
27178 * c-common.c (type_for_size,type_for_mode) : Same.
27179 * c-lex.c (yylex) : Same.
27180 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27182 * c-tree.h (widest_integer_literal_type_node,
27183 widest_unsigned_literal_type) : New.
27185 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
27187 * dwarfout.c (field_byte_offset): Correctly compute the object's
27188 byte offset for the first bit of a field which crosses an alignment
27189 boundary on a !BYTES_BIG_ENDIAN target.
27191 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
27193 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
27196 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
27197 Jeff Law <law@cygnus.com>
27199 * ginclude/varargs.h (va_dcl): Use word_mode for type of
27202 * except.c: Include intl.h.
27203 (expand_eh_return): Set current_function_cannot_inline.
27204 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
27205 * function.h (struct function): Add eh_return_stub_label.
27206 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
27207 * Makefile.in (except.o): Depend on intl.h.
27209 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
27211 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
27212 same as offsettable in cases 1 and 2.
27214 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
27216 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
27217 (extlh, extwh): Likewise.
27219 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
27221 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
27223 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
27225 * configure.in: Add arm-pe and thumb-pe targets.
27226 * configure: Regenerate.
27228 * thumb.c (arm_naked_function_p): New function: Determines if
27229 a function is naked (has no gcc generated prologue/epilogue).
27230 (is_called_in_ARM_mode): Return true if the func has the
27231 interfacearm attribute.
27232 (output_return): Do not generate a return for naked functions.
27233 (thumb_function_prologue): Do not generate a prologue for
27235 (thumb_expand_prologue): Do not generate a prologue for naked
27237 (thumb_expand_epilogue): Do not generate an epilogue for naked
27239 (arm_valid_machine_decl_attribute): New function, copied from
27240 arm.c: Permit naked and interfacearm attributes.
27242 * config/arm/pe.c: New file: Support code for arm-pe target.
27243 * config/arm/pe.h: New file: Header file for arm-pe target.
27244 * config/arm/tpe.h: New file: Header file for thumb-pe target.
27245 * config/arm/t-thumb-pe: New file: Makefile fragment for
27248 1999-07-01 Mark Kettenis <kettenis@gnu.org>
27250 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
27251 -fPIC or -fpic is specified.
27253 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
27255 * expr.c (emit_block_move): Use copy_to_mode_reg for
27256 !TARGET_MEM_FUNCTIONS case too.
27258 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
27260 * configure: Rebuilt.
27261 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
27262 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
27263 definitions made redundant by dbxelf.h inclusion. Delete
27264 lots of definitions related to assembly output that are
27265 specific to the SOM object format.
27266 * pa.c (output_function_prologue): Do not emit the function's
27268 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
27269 * pa-pro.h: Deleted.
27270 * som.h: New file with SOM specific definitions.
27271 * elf.h: New file with ELF specific definitions.
27273 * elfos.h (const_section): Output a tab before assembler directives.
27274 (ctors_section, dtors_section): Likewise.
27275 (ASM_OUTPUT_SECTION_NAME): Likewise.
27277 * pa/pa1.h: Delete unused file.
27279 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
27281 * configure.in (hppa*-hp-hpux11*): New configuration.
27282 * configure: Rebuilt.
27283 * pa/pa-hpux11.h: New file.
27284 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
27287 * mips.md (leasi, leadi): New patterns.
27289 * expr.c (emit_block_move): Properly handle case where one of the
27290 block move arguments has a queued increment or decrement.
27291 (clear_storage): Similarly. Fix formatting goof.
27293 1999-06-28 "David O'Brien" <obrien@NUXI.com>
27295 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
27296 semicolon from the BSD VA_LIST replacement expression.
27298 * fixinc/inclhack.sh: regen
27299 * fixinc/fixincl.x: regen
27301 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
27302 now use the fixincl program.
27304 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
27306 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
27307 case. Also make the PIC register call_used.
27309 * m68k.h (FINALIZE_PIC): Delete.
27310 * m68k.c (finalize_pic): Delete.
27312 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
27314 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
27317 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
27319 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
27321 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
27323 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
27325 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
27327 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
27329 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
27331 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
27333 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
27335 * rs6000.c (output_toc): Always use hex values for floating-point
27336 constants. Store single-precision values in upper-half of TOC
27337 entry in 64-bit mode.
27338 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
27339 to final constraints.
27340 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
27341 (fctiwz): Improve accuracy of RTL for pattern.
27343 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
27345 * expr.c (expand_expr): Allow RTL_EXPR's through the
27346 MAX_INTEGER_COMPUTATION_MODE checks.
27348 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
27350 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
27351 such that MASK_SUPPORT_ARCH is not negative.
27353 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
27355 * loop.c (verify_dominator): Properly handle ADDR_VEC and
27356 ADDR_DIFF_VEC insns that appear inside loops.
27358 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
27359 Jeff Law <law@cygnus.com>
27361 * rs6000.md (movdf_hardfloat32): Revert previous patch.
27362 Handle LO_SUM the same as offsettable in cases 1 and 2.
27363 * rs6000.c (find_addr_reg): Revert previous patch.
27365 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
27367 * system.h (strstr): New external function declaration.
27368 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
27369 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
27370 * config.in, configure: Rebuilt.
27372 1999-06-24 Tom Tromey <tromey@cygnus.com>
27374 * gcc.c (main): Read user-specified specs files after computing
27375 additional startfile_prefixes.
27377 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
27379 Revert these two patches:
27381 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27382 * loop.c (strength_reduce): When doing biv->giv conversion, update
27383 reg note of NEXT->insn.
27385 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27386 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27388 (recombine_givs): Set ix field after sorting.
27390 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27392 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
27393 for the parts of an UNSPEC / UNSPEC_VOLATILE.
27395 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
27397 *fixinc/inclhack.def: Add fix development commentary
27398 (read_ret_type): reactivate and add selection clause
27399 (zzz_*): tweak output file name to match what is used in hackshell.tpl
27400 *fixinc/{fixincl.x|inclhack.sh}: regen
27402 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
27404 * expr.c (expand_expr): STRIP_NOPS before checking against
27405 MAX_INTEGER_COMPUTATION_MODE
27406 (check_max_integer_computation_mode): Likewise.
27408 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
27410 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
27412 1999-06-22 Jim Wilson <wilson@cygnus.com>
27414 * expr.c (store_expr): When target is a promoted subreg, return a
27415 promoted subreg as a result.
27417 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
27419 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
27421 (dwarf2out_define): Mark unused parameters appropriately.
27422 (gen_unspecified_parameters_die): Ditto.
27423 (gen_subprogram_die): Fix signed/unsigned warnings.
27424 (gen_variable_die): Ditto.
27426 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
27428 * fixinc/inclhack.def(end_else_label): combined else_label
27429 and endif_label and fixed the sed expression.
27430 *fixinc/{fixincl.x|inclhack.sh}: regen
27432 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
27434 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
27435 'x' when handling non-offsettable addresses
27437 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
27439 * final.c (shorten_branches): Don't try to split an insn that has
27442 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
27444 * config/mips/mips.c (symbolic_expression_p): New function.
27445 (mips_select_rtx_section): Put symbolic expressions in the
27446 data section, not the read-only data section.
27448 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
27450 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
27452 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
27454 * collect2.c (main): Log frame table count.
27455 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
27456 (scan_prog_file) [COFF]: Handle frame tables.
27458 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
27459 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
27460 * alpha/elf.h: Undef them again.
27461 * alpha/vms.h: Remove their definitions.
27463 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27465 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
27466 remove the clobber of r0 and change the REG_UNUSED note to
27469 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
27471 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
27472 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
27473 fits in HOST_WIDE_INT and one uses union to access a long constant
27476 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
27478 * sparc.c (sparc_override_options): Don't allow profiling for
27479 code models other than medlow.
27480 (sparc_function_profiler): New function from old FUNCTION_PROFILER
27481 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
27482 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
27483 (sparc_block_profiler): Likewise.
27484 (sparc_function_block_profiler_exit): Likewise.
27485 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
27486 (FUNCTION_BLOCK_PROFILER): Likewise.
27487 (BLOCK_PROFILER): Likewise.
27488 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
27489 (MCOUNT_FUNCTION): New.
27490 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
27491 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
27492 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
27493 (MCOUNT_FUNCTION): New.
27494 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
27495 (BLOCK_PROFILER): Delete.
27496 (MCOUNT_FUNCTION): New.
27498 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
27500 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
27502 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27504 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27507 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27510 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27513 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27516 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
27518 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
27521 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
27523 * i386/djgpp.h (LIB_SPEC): New.
27524 (STARTFILE_SPEC): New.
27526 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
27528 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
27530 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
27533 * system.h (WSTOPSIG): New macro.
27535 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
27537 * c-pragma.c (push_alignment): Don't ignore alignments greater than
27539 (insert_pack_attributes): Take into account member natural
27542 * i386/winnt.c (exports_head): New static variable.
27543 (i386_pe_record_exported_symbol): New function.
27544 (i386_pe_asm_file_end): Use.
27545 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
27546 symbols to be emitted at end of assembly.
27547 (ASM_DECLARE_OBJECT_NAME): Likewise.
27548 (ASM_DECLARE_FUNCTION_NAME): Likewise.
27550 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
27553 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
27555 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
27558 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
27560 * haifa-sched.c (sched_analyze_1): Use free_list instead of
27561 zapping reg_last_uses directly.
27562 (sched_analyze_2, sched_analyze_insn): Likewise.
27563 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
27565 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
27567 * rs6000.md (movdf_hardfloat32): Use worst case insn length
27568 attributes for cases 1 and 2.
27570 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
27572 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
27575 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
27577 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
27579 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
27581 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
27582 PIC_OFFSET_TABLE_REGNUM for general alloaction.
27583 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
27584 must be stacked if it is used for PIC accesses.
27585 * arm.c (use_return_insn): Handle PIC register specially.
27586 (output_return_instruction): Likewise.
27587 (output_func_{prologue,epilogue}): Likewise.
27588 (output_expand_prologue): Likewise.
27590 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
27591 (*strsi_predec): Renamed from *strqi_predec.
27592 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
27593 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
27595 * arm.c (arm_override_options): Remove warning about PIC code
27596 not being supported.
27598 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
27600 * rs6000.c (find_addr_reg): New function.
27601 * rs6000.h (find_addr_reg): Declare.
27602 (offsettable_addr_operand): Delete.
27603 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
27604 from and stores to GPRs.
27606 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
27608 * alpha.c (alpha_expand_block_move): Use get_insns rather than
27609 gen_sequence as argument to emit_no_conflict_block.
27611 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27613 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
27614 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
27615 *fixinc/fixincl.x: regen
27616 *fixinc/inclhack.sh: regen
27618 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
27620 * added support for -mpcrel (PC relative addressing for m68k)
27621 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
27622 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
27623 * m68k.c (print_operand_address): Handle 32-bit PIC case.
27624 (comments for general_src_operand): Add some explanation
27625 about EXTRA_CONSTRAINTS.
27626 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
27627 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
27628 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
27629 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
27630 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
27631 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
27632 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
27633 if not already set.
27634 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
27635 * m68k.h (TARGET_PCREL): New target flag.
27636 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
27637 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
27638 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
27639 contains a SYMBOL_REF. Relax this constraint during reload, since
27640 we want to use the predicates, not reload's built-in concept of a
27641 valid memory address, to control what insns need reloading.
27642 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
27643 operands (essentially 'g', 'm', and 's' under normal circumstances).
27644 * m68k.c (print_operand): Cause printing of pc-relative addresses
27645 to include pc register.
27646 (print_operand_address): Ditto.
27647 (general_src_operand): Accept operands that are not only
27648 general_operands, but are also valid when used as a pc-relative
27650 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
27651 (memory_src_operand): Similar, for memory_operands.
27652 (pcrel_address): New predicate to accept the special case of a
27653 pc-relative address.
27654 * m68k.md (many patterns): Rewrite common SImode, HImode, and
27655 QImode insns to accept *_src_operand instead of *_operand where
27656 pc-relative operands can fit. For example, a pc-relative operand
27657 can be used as a memory source operand for addsi3, but not as a
27658 memory destination.
27659 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
27661 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
27663 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
27664 .thumb_set pseudo op to mark aliases of thumb functions.
27666 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
27668 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
27669 preference to ASM_OUTPUT_DEF, if it is defined.
27671 * tm.texi: Document new, optional target macro
27672 ASM_OUTPUT_DEF_FROM_DECLS.
27674 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27676 * fixincludes: ISCNTL patch
27677 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
27678 (dgux_int_varargs): new for DG/UX
27679 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
27681 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
27683 * invoke.texi (ia32 options): Fix typo.
27685 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27687 * loop.c (strength_reduce): When doing biv->giv conversion, update
27688 reg note of NEXT->insn.
27690 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
27692 * loop.c (move_movables): Note issues with replacing REGs with
27694 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
27696 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
27698 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
27700 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
27701 the reference to `mcount' was not correct for the ELF on FreeBSD.
27703 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27705 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27708 (recombine_givs): Set ix field after sorting.
27710 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
27712 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
27713 to safe to extract a subword out of a REG.
27715 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27717 * sh.md (mulsi3): Don't add a no-op move at the end.
27719 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27721 * cse.c (cse_insn): Don't put hard register source into tables for
27722 the last insn of a libcall.
27724 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27726 * loop.c (strength_reduce): Insert sets of derived givs at every
27727 biv increment, even if it's the only one.
27729 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
27731 * dwarfout.c (add_incomplete_type): New fn.
27732 (output_type): Call it.
27733 (retry_incomplete_types): New fn.
27734 (dwarfout_finish): Call it.
27736 From Eric Raskin <ehr@listworks.com>:
27737 (output_type): Output types for bases.
27739 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
27741 * mips.c (mips_output_conditional_branch): Add `break'
27742 between `default' label and `close braces'.
27744 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
27746 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
27747 specifications and make it realistic.
27748 (LIB_SPEC): Likewise.
27750 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
27752 * config/mips/mips.c (mips_secondary_reload_class): Check for
27753 (PLUS (SP) (REG)) and return appropriate register class.
27754 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
27755 Handle (PLUS (SP) (REG)).
27756 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
27757 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
27758 of emit_insn for tablejump.
27760 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
27762 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
27763 asm_fprintf format string by itself.
27764 (output_function_profiler): Likewise.
27766 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
27768 * combine.c (simplify_logical, case AND): Only call
27769 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
27770 or the constant is positive.
27772 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
27774 * configure.in: Fix typo in rs6000-ibm-aix4 case.
27775 * configure: Regenerate.
27777 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
27779 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
27780 require a sub-version #.
27781 * configure: Rebuilt.
27783 1999-06-14 Robert Lipe (robertlipe@usa.net)
27785 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
27787 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
27789 * c-typeck.c (process_init_element): Detect excess elements in
27790 char array initializer.
27792 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
27794 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
27796 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27798 * invoke.texi (Option Summary): Add -fpermissive flag.
27800 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
27802 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
27803 that require PIC code sequences.
27805 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
27807 * configure.in: Add new target: thumb-elf.
27808 * configure: Regenerate.
27809 * config/arm/t-thumb-elf: New file: Makefile fragment for
27811 * config/arm/telf.h: New file: Header file for thumb-elf
27814 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
27816 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
27817 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
27818 initializers is some circumstances.
27820 * fixinc/inclhack.def (endif_label): Add additional selector for
27821 more bogus stuff after #endif statements.
27822 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
27824 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
27826 * i386/cygwin.h (SET_ASM_OP): Define.
27828 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
27830 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
27832 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27834 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
27837 * sh.md (ic_invalidate_line_i): Remove second alternative.
27839 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27841 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
27842 test for the presence of valid prototypes. Delete bypass expr.
27843 (ioctl_fix_ctrl): Correct the selection expression.
27844 (no_double_slash): Correct quoting rules
27845 *fixinc/fixincl.x: regen
27846 *fixinc/inclhack.sh: regen
27848 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
27850 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
27852 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27854 * rs6000.md (movsi_got_internal_mem): Delete.
27855 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
27856 (GOT_TOC_REGNUM): Delete.
27857 (PIC_OFFSET_TABLE_REGNUM): Define.
27858 (FINALIZE_PIC): Disable.
27859 * rs6000.c (rs6000_got_register): New code for fixed pic register.
27860 (rs6000_replace_regno): Delete.
27861 (rs6000_finalize_pic): Likewise.
27862 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
27864 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27866 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
27867 is a note; use <= for the compare; advance P while it is
27870 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
27872 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
27873 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
27875 * varasm.c (remove_from_pending_weak_list): Verify t->name
27876 is non-NULL before passing it to strcmp.
27878 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27880 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
27881 the typed arguments are not part of a comment
27882 (ioctl_fix_ctrl): Added a purpose comment
27883 *fixinc/fixincl.x: regenerate
27884 *fixinc/inclhack.sh: regenerate
27886 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27888 * invoke.texi: Add C4x invocation docs.
27890 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27892 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
27894 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
27896 (c4x_legitimize_reload_address): New function.
27897 * config/c4x/c4x.md: Update docs.
27899 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
27901 * fixincludes: Avoid removing '.'.
27902 * fixinc/fixinc.svr4: Likewise.
27903 * fixinc/fixinc.winnt: Likewise.
27904 * fixinc/inclhack.tpl: Likewise.
27905 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
27907 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27909 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
27911 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
27913 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
27915 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
27918 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
27920 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
27921 * configure: Regenerate.
27923 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
27925 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
27928 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
27930 * fixinc/inclhack.def (avoid_bool): Also catch
27931 "typedef [unsigned] int bool".
27932 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27934 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
27935 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
27936 * configure: Rebuilt.
27938 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
27940 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
27941 such that we can override its definitions if necessary.
27942 (CPP_SPEC): New define. Support processor specific predefines via
27944 (CC1_SPEC): New define. Support processor specific compiler
27945 options via %(cc1_cpu).
27946 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
27949 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27951 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
27952 between sed's -e flag, and the open-quote following it.
27953 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27955 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
27956 Jeffrey A Law (law@cygnus.com)
27958 * varasm.c (assemble_start_function): Remove the function
27959 from the pending weak decls list when we define a function.
27960 (assemble_variable): Similarly for variables.
27961 (weak_finish): Ignore items on the list with a NULL name.
27962 (remove_from_ending_weak_list); New function to "remove" an item
27963 from the pending weak declarations list.
27965 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27967 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
27969 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
27971 * c-lex.c (GETC): Redefine to call getch.
27972 (UNGETC): Redefine to call put_back.
27973 (putback_buffer): New structure type.
27974 (putback): New static structure.
27975 (getch): New function.
27976 (put_back): New function.
27977 (yylex): Replace unused bytes from bad multibyte character.
27979 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
27981 * cpplib.c (do_define): Cast `alloca' return value.
27982 (do_include, do_undef, do_pragma): Likewise.
27983 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
27985 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
27986 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
27988 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
27990 * sparc.md (abstf2): This should be an expand.
27991 (split after abstf2_notv9): Fix mode.
27992 (abstf2_hq_v9): New pattern.
27993 (abstf2_v9): Only use when no hard quad.
27994 (absdf2_v9): Fix if target is not the same as source.
27995 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
27996 Add correct output constraints.
27998 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
28000 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
28001 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
28003 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
28005 * mips.h (mips_output_conditional_branch): New function.
28006 (mips_adjust_insn_length): Likewise.
28007 (ASSEMBLER_SCRATCH_REGNUM): New macro.
28008 (ADJUST_INSN_LENGTH): Likewise.
28009 * mips.c (print_operand): Add `F' and `W' for floating-point
28010 comparison opcodes.
28011 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
28013 (mips_adjust_insn_length): New function.
28014 (mips_output_conditional_branch): New function.
28015 * mips.md (length): Adjust attribute definition to handle
28016 conditional branches. Change lengths to bytes, rather than
28017 instructions throughout. Remove length attribute from
28018 instructions whose length is four bytes, and rely on the default
28020 (dslot): Fix typo in comment.
28021 Reword conditional branch patterns to use
28022 mips_output_conditional_branch.
28024 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
28026 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
28027 (LIB_SPEC): Likewise.
28028 Link with -lprof1_r for -g/-pg.
28030 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28032 * loop.c (check_dbra_loop): Fix change of Jan 19.
28034 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
28036 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
28037 (STARTFILE_SPEC): Define, override the svr4.h version.
28038 (ENDFILE_SPEC): Likewise.
28040 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
28042 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
28043 * fixinc/fixincl.x: Regenerated.
28044 * fixinc/inclhack.sh: Regenerated.
28046 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28048 * sh.c (barrier_align): Don't return early for normal branch/barrier
28049 when optimizing for SH2.
28051 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
28053 * i386/udk.h (LINK_SPEC): Correct linker search path for
28056 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28058 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
28059 (braf_label_ref_operand): Delete.
28060 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
28061 * sh.md (casesi_jump_2): Operand1 is now the inside of a
28062 label_ref, and has no predicate.
28063 The patten has a predicate to guard against invalid substitutions.
28064 (dummy_jump): Delete.
28065 (casesi): Update use of casesi_jump_2.
28067 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28069 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
28070 *fixinc/fixincl.x: regenerate
28071 *fixinc/inclhack.sh: regenerate
28073 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
28075 * dwarf2out.c (add_incomplete_type): New fn.
28076 (gen_struct_or_union_type_die): Call it.
28077 (retry_incomplete_types): New fn.
28078 (dwarf2out_finish): Call it.
28080 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
28082 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
28083 current block starts with a CODE_LABEL and ends with a CALL and
28084 we can not find all the argument setup instructions for the CALL.
28086 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
28088 Revert this change:
28089 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28090 something is a candidate for optimize_bit_field_compare.
28092 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28094 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
28096 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
28098 * alpha.c (override_options): Thinko in last patch.
28100 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
28101 (LIB_SPEC): Recognize -pthread.
28103 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
28105 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
28106 definition in config/arm/coff.h
28107 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
28109 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28111 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
28112 fixes that need "file=xxx\n" prepended before invocation
28113 (start_fixer - new): starting the fixer process is complex enough
28114 to warrent its own routine. It prepends the "file=xxx\n" stuff.
28115 (process): uses the new routine; omit usage of putenv()
28116 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
28117 * fixinc/fixincl.x: regenerate
28119 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
28121 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
28122 and version #s (1.1 -> 2.96) as needed.
28123 * README.g77: Kill way out of date file in the toplevel directory.
28125 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
28127 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
28128 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
28129 * configure: Rebuilt.
28130 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
28131 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
28132 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
28133 (SWITCH_TAKES_ARG): Likewise.
28134 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
28135 * config/t-freebsd: Moved from config/i386/ so it can used for all
28138 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
28140 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
28142 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
28144 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
28145 * configure: Rebuilt.
28147 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
28149 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
28150 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
28151 * rs6000/rs6000.c (rs6000_file_start): Use putc.
28152 (rs6000_output_load_toc_table): Same.
28153 (output_prolog, output_mi_thunk): Same.
28154 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
28155 (ASM_GLOBALIZE_LABEL): Use putc.
28157 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
28159 * alpha.md (reload_*_help): New patterns and splitters.
28160 (reload_*): Use them.
28161 (mov[qh]i): Likewise.
28163 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
28165 * cccp.c (handle_directive): Handle backslash-newlines in quoted
28168 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
28170 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
28172 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
28174 * flow.c (mark_regs_live_at_end, insn_dead_p,
28175 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
28176 and HARD_FRAME_POINTER_REGNUM special treatment if reload
28177 hasn't run or the frame pointer is needed.
28178 * haifa-sched.c (attach_deaths): Likewise.
28179 * sched.c (attach_deaths): Likewise.
28181 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
28183 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
28184 calculate_can_reach_end returns nonzero.
28186 * configure.in (native gas tests): Search for an assembler in the
28187 same manner that the installed compiler will.
28188 * configure: Rebuilt.
28189 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
28191 * alias.c (find_base_term): Improve handling of addresses
28192 constructed from binary operations.
28194 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
28196 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
28198 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
28200 * function.h (cleanup_label, frame_offset): Declare.
28201 (tail_recursion_label, tail_recursion_reentry): Likewise.
28202 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28203 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
28204 (tail_recursion_label, tail_recursion_reentry): Likewise.
28205 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28207 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
28209 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
28211 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
28212 (MAX_OFILE_ALIGNMENT): Define.
28214 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
28216 * fixincl.c: Replace local include scheme with #includes of
28217 gansidecl.h and system.h.
28218 * procopen.c: Likewise.
28219 * server.c: Likewise.
28221 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
28223 * i386/t-dgux (EXTRA_PARTS): Add crti.o
28224 (crti.o): Add build rule and dependencies.
28225 * fixinc/fixinc.dgux: Use modified _int_varargs.h
28227 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28229 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
28230 (LIB_LINUX_SPEC): Likewise.
28231 (LIB_LINUX_SPEC): Add support for -pthread
28232 (CPP_OS_LINUX_SPEC): Likewise.
28233 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
28236 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
28238 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
28240 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
28241 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
28242 for IEEE math and CC_FCOMI.
28243 (put_jump_code): No IEEE if CC_FCOMI is set.
28245 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28247 * fold-const.c (fold_truthop): Make the field reference unsigned
28248 when converting a single bit compare.
28250 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28252 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
28254 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
28256 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
28257 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
28260 * reload.c (push_reload): Do not call remove_address_replacements
28261 when presented with identical optional reloads.
28263 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
28265 * alpha.h (MASK_FIX, TARGET_FIX): New.
28266 (MASK_*): Reorganize constants.
28267 (CPP_AM_FIX_SPEC): New.
28268 (TARGET_SWITCHES): Add FIX.
28269 (EXTRA_SPECS): Likewise.
28270 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
28271 (SECONDARY_MEMORY_NEEDED): Likewise.
28272 (REGISTER_MOVE_COST): Likewise.
28273 * alpha.c (override_options): Add FIX support. Always use
28274 ALPHA_TP_PROG for ev6.
28275 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
28276 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
28277 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
28279 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
28281 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28282 something is a candidate for optimize_bit_field_compare.
28284 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
28286 * gcc.texi (Passes): Document branch-shortening.
28287 * invoke.texi (Debugging Options): Document the fact that `-dp'
28288 outputs length information for instructions.
28290 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
28292 * flow.c: Revert previous delta.
28294 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
28296 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
28297 FRAME_POINTER_REGNUM.
28298 (mark_set_1): Ditto.
28299 (mark_used_regs): Ditto.
28301 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
28303 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
28304 (GOT_PCREL): New macro. Define to 1 if not already defined.
28305 * arm/elf.h (GOT_PCREL): Define to 0.
28306 * arm.c (arm_finalize_pic): Take into account the setting of
28309 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
28311 * output.h (STRIP_NAME_ENCODING): Provide default definition.
28312 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
28314 * flow.c (mark_set_1): Do not record BLKmode stores as dead
28315 store elimination candidates.
28317 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
28319 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
28322 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
28324 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
28325 Add use of x-aix41-gld.
28327 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
28329 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
28330 (ASM_OUTPUT_DESTRUCTOR): Define.
28332 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
28334 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
28335 last CODE_LABEL in a loop if we have previously passed a jump
28336 to the top of the loop.
28338 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
28340 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
28341 applying Philip's patch.
28343 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
28345 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
28348 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
28350 * loop.c (strength_reduce): Grow reg_single_usage as needed.
28352 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
28354 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
28355 Also remove a useless comment.
28357 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28359 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
28361 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
28363 * collect2.c (main): Only generate import or export file and add
28364 to link arguments if non-empty. Use xmalloc not alloca.
28365 (write_{export,import}_file): Delete.
28366 (write_aix_file): New function.
28367 (locatelib): Use xmalloc not malloc.
28368 (GCC_OK_SYMBOL): Do not check type if aix64.
28370 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
28372 Based on patch by Scott Bambrough and Pat Beirne:
28373 * config/arm/arm.c (making_const_table): New variable.
28374 * config/arm/arm.h (making_const_table): Declare.
28375 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
28377 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
28378 Keep track of when we are building the constant table.
28380 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
28382 * config/arm/arm.c (arm_override_options): Fix erroneous warning
28385 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
28387 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
28390 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
28392 * tm.texi (FUNCTION_ARG): Correct description of a stack element
28395 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
28397 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
28399 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28401 * rs6000.c (output_mi_thunk): Enable full support again.
28403 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28405 * sh.h (BRANCH_COST): Define.
28407 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
28409 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
28411 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
28413 * function.c (assign_stack_local): Align stack slot propertly.
28414 (assign_outer_stack_local): Likewise.
28416 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
28418 * expr.h (lang_expand_constant): Declare.
28419 * toplev.c (lang_expand_constant): Define it.
28420 * varasm.c (output_constant): Use it.
28422 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28424 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
28425 Change function definitions to K&R style.
28427 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28429 * fixinc/fixincl.c: We must not ignore SIGCLD now.
28431 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
28433 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
28434 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
28435 (several places): omit static initialization
28436 (process): use single fd, since only the read fd is used
28437 * fixinc/gnu-regex.c: define 'const' away, if not supported
28438 * fixinc/procopen.c(several places): omit static initialization
28439 * fixinc/server.c: define 'volitile' away, if not supported
28441 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28443 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
28444 asm_fprintf and %L to generate the label name.
28445 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
28446 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
28448 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
28450 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
28451 insn for a conditional jump can not be found.
28453 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
28455 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
28456 on variables in specific sections other than .sbss and .sdata.
28458 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
28460 * stmt.c (expand_return): Call start_cleanup_deferral and
28461 end_cleanup_deferral around conditional code.
28463 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28465 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
28466 filename lists. Utilizes new "krstr" AutoGen function.
28467 * fixinc/fixincl.x: Rebuilt.
28469 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
28471 * i386.c (output_float_compare): Avoid GNU-C extensions.
28473 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
28475 * version.c: Bump to distinguish mainline tree from the
28478 See ChangeLog.1 for earlier changes.