1 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * m68k.c (legitimize_pic_address): Move prototype ...
5 * m68k-protos.h (legitimize_pic_address): ... here.
7 * m68k.md (legitimize_pic_address): Delete prototypes.
8 (untyped_call): Invoke GEN_CALL(), not gen_call().
10 * nextstep.c: Include system.h and toplev.h.
11 (get_directive_line): Don't prototype.
12 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
14 * nextstep.h (handle_pragma): Prototype.
15 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
17 (EXTRA_SECTION_FUNCTIONS): ... here.
19 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
21 * sdbout.c (struct sdb_file): NAME now const.
22 (sdbout_init): input_file_name now const.
23 (sdbout_start_new_source_file): FILENAME now const.
24 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
26 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
28 * c-typeck.c (build_conditional_expr): Handle complex data types.
30 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
32 * explow.c (maybe_set_unchanging): New function, broken out from...
33 (set_mem_attributes): Here.
35 * stmt.c (expand_decl): Call it.
37 2000-06-05 Richard Henderson <rth@cygnus.com>
39 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
40 while looking for a register to inherit from.
42 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
44 * Makefile.in (libgcc.ready): Lose.
45 (libgcc.mk): Just use mv, not move-if-change.
46 (LIBGCC_DEPS): New macro.
48 (stmp-multilib): Likewise.
49 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
50 it rather than the directories themselves.
51 (LIB2ADD): Depend on the list file rather than 'force'.
53 * fold-const.c (fold, case COND_EXPR): Elide conversion between
54 cv-qualified versions of types.
56 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
58 * config/sparc/sparc.c (short_branch): Correct error in range
61 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
63 * fixinc/inclhack.def: New include hacks for ultrix.
64 * (nested_ultrix): Replaced by ultrix_nested_svc.
65 * (ultrix_atof_param): test_text string added.
66 * (ultrix_ifdef): Modified select string.
68 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
70 * objc/objc-act.c (generate_method_descriptors): Register
71 objc_method_prototype_template as a GC root.
72 (comp_method_with_proto): Register function_type as a GC root.
73 (comp_proto_with_proto): Replace function_type1 and
74 function_type2 with a two-element array; register it as a GC root.
76 (generate_protocols, build_protocol_initializer,
77 generate_protocol_list, build_category_initializer,
78 build_shared_structure_initializer): Do not cache cast_type
81 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
83 * function.c (assign_parms): Add missing argument to set_mem_attributes
86 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
88 * tree.h (VOID_TYPE_P): New macro.
89 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
90 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
91 (get_parm_info): Likewise.
92 (store_parm_decls): Likewise.
93 (combine_parm_decls): Likewise.
94 (finish_function): Likewise.
95 * c-typeck.c (build_function_call): Likewise.
96 (build_binary_op): Likewise.
97 (build_conditional_expr): Likewise.
98 (internal_build_compound_expr): Likewise.
99 (convert_for_assignment): Likewise.
100 * stmt.c (expend_expr_stmt): Likewise.
101 (warn_if_unused_value): Likewise.
102 (expand_return): Likewise.
103 * c-parse.in (primary): Likewise.
104 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
105 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
107 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
109 * alias.c (get_alias_set): If compnent is addressable, use alias
111 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
112 (grokdeclarator): Likewise.
113 * c-typeck.c (common_type): Likewise.
115 2000-06-04 Alex Samuel <samuel@codesourcery.com>
117 * Makefile.in (OBJS): Remove dyn_string.o
118 (dyn-string.o): Delete rule.
119 * dyn-string.c: Delete file
120 * dyn-string.h: Likewise.
122 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
124 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
127 S2000-06-03 Geoff Keating <geoffk@cygnus.com>
129 * alias.c (record_component_aliases): Don't inspect
130 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
132 at Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
134 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
135 it with the pattern to do machine dependent work.
136 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
137 use it to modify the true/false tests used in conditional
138 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
139 defined, invoke them if the conversion to conditional execution
140 was successful or not.
142 * tm.texi (IFCVT_MODIFY_TESTS): Document.
143 (IFCVT_MODIFY_INSN): Ditto.
144 (IFCVT_MODIFY_FINAL): Ditto.
145 (IFCVT_MODIFY_CANCEL): Ditto.
147 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
149 * toplev.c (main): Fix misspellings of possibility and language.
151 2000-06-03 Richard Henderson <rth@cygnus.com>
153 * alias.c (record_alias_subset): Initialize has_zero_child in the
156 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
158 * arm.md (untyped_call): Use GEN_CALL macro.
160 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
162 * Makefile.in: Use $(MAKE) not "make"
164 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
166 * alias.c (struct alias_set_entry): New field has_zero_child.
167 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
168 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
170 Call record_component_aliases for aggregate types.
171 (record_alias_subset): Set has_zero_child.
172 (record_component_aliases, case ARRAY_TYPE): Do nothing if
173 TYPE_NONALIASES_COMPONENT.
174 (record_component_aliases, case RECORD_TYPE): Test
175 DECL_NONADDRESSABLE_P.
176 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
178 * calls.c (initialize_argument_information): Only test
179 TYPE_TRANSPARENT_UNION for UNION_TYPE.
180 * function.c (assign_parms): Likewise.
181 * integrate.c (function_cannot_inline_p): Likewise.
182 * stor-layout.c (finish_record_layout): Don't call
183 record_component_aliases.
184 * tree.h (struct tree_int_cst): Use struct tree_common.
185 (struct tree_real_cst, struct tree_string): Likewise.
186 (struct tree_complex, struct tree_identifier): Likewise.
187 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
188 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
189 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
190 (TYPE_NONALIASES_COMPONENT): New macro.
191 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
192 (DECL_NONADDRESSABLE_P): New macro.
193 (struct tree_decl): Reorder bits for clarity of how many left;
196 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
198 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
199 * mklibgcc.in (force): New target.
200 Make LIB2ADD stuff depend on it.
202 2000-06-02 Richard Henderson <rth@cygnus.com>
204 * alias.c (lang_get_alias_set): Remove.
205 (get_alias_set): Call it directly, not indirectly.
206 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
207 * c-common.h (c_get_alias_set): Don't declare.
208 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
209 * expr.h (lang_get_alias_set): Declare as function, not pointer.
211 2000-06-02 Bruce Korb <bkorb@gnu.org>
213 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
214 (server_setup): define the server's master pid
215 (close_server): actually do the deed IFF we are the server's master
217 2000-06-02 Jakub Jelinek <jakub@redhat.com>
219 * c-common.c (c_get_alias_set): Check whether signed_type did not
220 return its argument before calling get_alias_set on the result.
222 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
224 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
226 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
228 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
229 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
230 for TARGET_NOMACSAVE.
231 (NOMACSAVE_BIT): Define.
232 (TARGET_NOMACSAVE): Define.
233 (TARGET_SWITCHES): Add "nomacsave".
235 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
237 * sh.md (untyped_call): Remove excess parameters
239 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
241 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
242 match that used before the conversion to c_fix style.
243 * fixinc/fixincl.x: regenerate
245 2000-06-01 Stan Cox <scox@cygnus.com>
247 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
250 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
252 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
254 * cpplib.c (parse_include): Remove support for VAX-C
255 "#include starlet" misfeature.
257 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
259 * cppfiles.c: conditionally define O_BINARY.
260 (open_include_file): pass O_BINARY to open().
262 2000-06-01 Richard Henderson <rth@cygnus.com>
264 * i960.c (i960_br_predict_opcode): Remove.
265 (i960_print_operand) [+]: Emit branch prediction hints.
266 (i960_function_arg): Return early for VOIDmode.
267 (i960_round_align): Return early for incomplete types.
268 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
269 * i960.md (all conditional branches): Add "%+".
271 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
273 * alias.c (get_alias_set): Don't call language-specific routine more
274 than is needed and clean up code a bit.
275 * c-common.c (c_get_alias_set): All references whose type
276 is char get alias set 0, but character types need not.
277 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
278 (make_decl_rtl): Don't call it for FUNCTION_DECL.
280 2000-06-01 Bruce Korb <bkorb@gnu.org>
282 * fixinc/tests/base/...: new base result files
284 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
286 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
287 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
288 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
291 2000-06-01 Richard Henderson <rth@cygnus.com>
293 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
295 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
297 2000-05-31 Richard Henderson <rth@cygnus.com>
299 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
300 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
301 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
303 2000-05-31 Richard Henderson <rth@cygnus.com>
305 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
306 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
307 (ia64_print_operand) [+]: ... here. Use current_output_insn.
308 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
309 * config/ia64/ia64.md (all branch/call patterns): Use %+.
311 2000-05-31 Richard Henderson <rth@cygnus.com>
313 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
315 2000-05-31 Richard Henderson <rth@cygnus.com>
317 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
319 (find_if_block): Allow THEN with no outgoing edges.
320 * flow.c (merge_blocks_nomove): Remove a barrier not following
323 2000-05-31 Richard Henderson <rth@cygnus.com>
325 * flow.c (propagate_block): Move initialization of mem_set_list ...
326 (init_propagate_block_info): ... here. Also track blocks with
327 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
329 2000-05-31 Richard Henderson <rth@cygnus.com>
331 * jump.c (jump_optimize_1): Revert 05-18 change.
333 2000-05-31 Mark Mitchell <mark@codesourcery.com>
335 * invoke.texi: Remove documentation for -fguiding-decls.
337 2000-05-31 Richard Henderson <rth@cygnus.com>
339 * configure.in: Fix typo last change.
341 2000-05-31 Philipp Thomas <pthomas@suse.de>
343 * configure.in (enable-nls): Enable if build == host, i.e. when
344 not building a canadian cross compiler.
345 (enable-maintainer-mode): Added for use with i18n.
346 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
347 cross section of ALL_LINGUAS and LINGUAS.
348 * configure: Rebuild.
350 2000-05-31 Bruce Korb <bkorb@gnu.org>
352 * fixinc/check.tpl: rework to use test result tree
353 * fixinc/Makefile.in: change invocation of check script
354 * fixinc/check.diff: No longer needed
355 * fixinc/fixincl.x: regenerate
356 * fixinc/inclhack.def: add new tests
357 * fixinc/tests/base/arch/i960/archI960.h: New test result
358 * fixinc/tests/base/curses.h: modified test result
359 * fixinc/tests/base/stdio.h: ditto
360 * fixinc/tests/base/time.h: ditto
361 * fixinc/tests/base/sys/asm.h: ditto
362 * fixinc/tests/base/sys/stat.h: ditto
363 * fixinc/tests/base/sys/wait.h: ditto
365 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
367 * except.c (clear_function_eh_region): Do not free NULL.
369 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
371 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
372 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
373 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
374 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
375 (find_base_decl): New function, from c_find_base_decl in c-common.c.
376 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
377 (get_alias_set): Likewise.
378 Major rework to do more things and allow language-specific code
379 to just handle special-cases.
380 (record_alias_subset): Args are HOST_WIDE_INT.
381 (record_component_alias): Local vars are HOST_WIDE_INT.
382 Don't handle COMPLEX_EXPR.
383 (get_varargs_alias_set): Moved from builtins.c.
384 (get_frame_alias_set): New function.
385 * builtins.c (expand_builtin_return_address): Use frame alias set.
386 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
388 (get_memory_rtx): Rework to use set_mem_attributes.
389 (get_varargs_alias_set): Deleted from here.
390 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
391 (c_find_base_decl): Deleted from here.
392 (c_get_alias_set): Remove many cases and rework to just handle
394 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
395 * c-decl.c (rtl.h, expr.h): Now included.
396 (init_decl_processing): Call record_component_aliases on array types.
397 (grokdeclarator): Likewise.
398 Set TREE_ADDRESSABLE for all fields that are not bitfields.
399 * c-typeck.c (common_type): Call record_component_aliases for array.
400 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
401 Set all save areas to the frame alias set.
402 * calls.c (initialie_argument_information): Call set_mem_attributes.
403 (compute_argument_addresses, expand_call): Likewise.
404 * explow.c (set_mem_attributes): New function.
405 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
406 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
407 LEN and OFFSET now HOST_WIDE_INT.
408 (clear_by_pieces): Similar changes.
409 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
410 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
411 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
412 (clear_by_pieces_1): Likewise.
413 (emit_push_insn): Call set_mem_attributes.
414 (expand_expr, case INDIRECT_REF): Likewise.
415 (expand_expr, case VAR_DECL): Call change_address.
416 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
418 (get_varargs_alias_set, get_frame_alias_set): New decls.
419 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
420 (new_alias_set, set_mem_attributes): Likewse.
421 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
422 (assign_stack_temp_for_type): Likewise.
423 Can split slot even if alias set since can copy.
424 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
425 (assign_temp): Use host_integerp and tree_low_cst.
426 (put_var_into_stack): Properly handle SAVE_EXPR.
427 (put_addressof_into_stack): Likewise.
428 (assign_parms): Call set_mem_attributes.
430 (fix_lexical_address): Put reference to chain into frame alias set.
431 (expand_function_start): Call set_mem_attributes.
432 * integrate.c (expand_inline_function): Likewise.
433 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
434 * regmove.c (try_apply_stack_adjustment): Likewise.
435 * reload.c (push_reload, make_memloc): Likewise.
436 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
437 * rtl.def (MEM): Update comment.
438 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
439 (move_by_pieces): Change length to HOST_WIDE_INT.
440 (record_base_value, record_alias_subset): Delete from here.
441 * stmt.c (expand_decl): Call set_mem_attributes.
442 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
443 * toplev.c (compile_file): Call init_alias_once earlier.
444 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
445 from here: now in alias.c.
446 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
447 (struct tree_decl): Likewise.
448 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
449 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
450 (output_constant_def, force_const_mem): Likewise.
452 * flow.c (propagate_block): If block has no successors, stores to
453 frame are dead if not used.
455 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
457 * stmt (expand_end_case): Reorder conversion sequence for jump
458 table to avoid extra truncations.
460 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
462 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
463 in the block is more than just a simple conditional branch.
464 (noce_process_if_block): Similarly.
466 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
468 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
471 2000-05-30 Michael Meissner <meissner@redhat.com>
473 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
474 instructions. Treat LO_SUM operations as loading the full integer
477 2000-05-30 Richard Henderson <rth@cygnus.com>
479 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
481 2000-05-30 Richard Henderson <rth@cygnus.com>
483 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
485 2000-05-30 Bruce Korb <bkorb@gnu.org>
487 * fixinc/tests/*: Added expected result files for fixinc's make check
488 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
490 2000-05-30 Richard Henderson <rth@cygnus.com>
492 * config/alpha/alpha.md (*setne_internal): Use match_operator
493 instead of working down from insn.
495 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
497 * invoke.texi (-Wtraditional): Update WRT function macros.
499 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
501 * except.c (free_exception_table): Do not free NULL.
503 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
505 * cpplib.c (do_if): Don't save and restore only_seen_white here.
506 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
509 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
511 * flow.c (mark_used_reg): If a register is unconditionally live,
512 remove any conditional death information.
514 2000-05-29 Richard Henderson <rth@cygnus.com>
516 * final.c (current_output_insn): New.
517 (final_scan_insn): Set it.
518 * output.h: Declare it.
520 2000-05-29 Richard Henderson <rth@cygnus.com>
522 * stor-layout.c (finalize_record_size): Fix typo.
524 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
527 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
529 * cpplib.h (cpp_reader): Remove if_stack. Change
530 potential_control_macro to a cpp_hashnode *. Add skipping flag.
531 * cpphash.h (struct ihash): Change control_macro to a
532 cpp_hashnode * and shorten name to cmacro.
533 Add NEVER_REINCLUDE constant.
535 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
536 Examine the cmacro node directly, no need to call cpp_defined.
537 (_cpp_execute_include, read_include_file): Set cmacro to
538 NEVER_REINCLUDE, not U"".
539 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
540 (cpp_get_token): If pfile->skipping is true, discard text and
541 keep scanning until we hit a directive; don't expand macros.
543 * cpplib.c (struct if_stack): Remove if_succeeded, add
544 was_skipping. Change control_macro to a cpp_hashnode * and
545 shorten name to cmacro. Remove typedef IF_STACK.
546 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
547 (conditional_skip, skip_if_group,
548 consider_directive_while_skipping): Delete.
549 (push_conditional): New.
550 (_cpp_handle_directive): Don't process directives other than
551 conditionals if we are skipping.
553 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
554 Update to new scheme.
555 (validate_else): Skip rest of line here, unconditionally.
556 (_cpp_unwind_if_stack): The stack is per-buffer. Force
559 (all): Remove `scare quotes' from error messages.
561 2000-05-29 Richard Henderson <rth@cygnus.com>
563 * function.c (emit_return_into_block): New line_note arg; emit it.
564 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
565 for the close brace to accompany HAVE_return. Move all line notes
566 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
568 2000-05-29 Richard Henderson <rth@cygnus.com>
570 * longlong.h [__alpha] (count_leading_zeros): New.
571 (count_trailing_zeros): New.
572 (COUNT_LEADING_ZEROS_0): New.
574 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
575 (alpha_split_conditional_move): New.
576 * config/alpha/alpha-protos.h: Prototype them.
577 * config/alpha/alpha.h (PREDICATE_CODES): Update.
578 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
579 * config/alpha/alpha.md: Update ffs cix commentary.
581 (*nabssf2, *nabsdf2): New.
582 (*mov[qhsd]icc_internal): Use add_operand.
583 (if_then_else constant splitters): New.
584 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
585 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
587 2000-05-29 Richard Henderson <rth@cygnus.com>
589 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
590 a constant to NEG or NOT when conditions allow.
592 * combine.c (combine_simplify_rtx): Don't create an if_then_else
593 unless both args are general_operand. Don't canonicalize plus
594 to ior unless it helps.
596 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
597 instead track register_life_up_to_date. Toggle no_new_pseudos
600 2000-05-28 Geoff Keating <geoffk@cygnus.com>
602 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
603 so output_operand doesn't see them.
605 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
607 * lcm.c (make_preds_opaque): Fix comment.
608 (optimize_mode_switching): Use NORMAL_MODE instead of
609 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
610 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
611 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
612 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
613 (MODE_USES_IN_EXIT_BLOCK): Delete.
614 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
615 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
616 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
617 (MODE_NEEDED): Don't look for USE.
618 (EPILOGUE_USES): Define.
620 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
622 * mklibgcc.in (all): Variable initialised to `libgcc'.
624 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
626 * toplev.h (skip_leading_substring): New macro.
627 * toplev.c (decode_f_option): Use skip_leading_substring instead
629 (decode_W_option): Likewise.
631 2000-05-28 Nick Clifton <nickc@cygnus.com>
633 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
636 2000-05-28 Richard Henderson <rth@cygnus.com>
638 * regclass.c (record_operand_costs): Protect reg_changes_size
639 with CLASS_CANNOT_CHANGE_SIZE.
641 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
643 2000-05-28 Richard Henderson <rth@cygnus.com>
645 * function.c (diddle_return_value): A pcc-style struct return
648 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
650 * cppfiles.c: Read files in, using mmap if possible, then
651 prescan them separately.
652 (read_file, read_with_read): New functions.
653 * cpplex.c: Don't define UCHAR_MAX.
654 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
657 * cppinit.c (handle_option): Automatically define __cplusplus,
658 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
659 the respective -lang switch.
661 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
662 prototype): Move to...
663 * cpplib.h: ... here. Rename struct hashnode to struct
664 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
665 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
667 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
669 * config/rs6000/rs6000.md (movsi): Constify 'name'.
671 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
672 (class_can_change_size): New variable.
673 (reg_changes_size): New variable.
674 (init_reg_sets_1): Initialise class_can_change_size.
675 (record_operand_costs): Remove subreg_changes_size.
676 Don't pass it around. Instead update reg_changes_size.
677 (regclass): Initialise and free reg_changes_size. If a register
678 changes size, don't preference it to a class that contains
679 registers that can't change size.
680 (record_reg_classes): Don't look at subreg_changes_size.
682 2000-05-27 Richard Henderson <rth@cygnus.com>
684 * print-rtl.c (reg_names): Remove const.
685 * regclass.c (reg_names): Likewise.
686 * regs.h (reg_names): Likewise.
687 * hard-reg-set.h (reg_names): Likewise.
689 2000-05-27 Richard Henderson <rth@cygnus.com>
691 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
693 2000-05-27 Richard Henderson <rth@cygnus.com>
695 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
696 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
697 (alpha_expand_prologue): Emit prologue_mcount if needed.
698 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
699 * config/alpha/alpha.md (prologue_mcount): New.
700 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
701 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
702 * config/alpha/netbsd.h: Likewise.
704 2000-05-27 Richard Henderson <rth@cygnus.com>
706 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
707 change to config/elfos.h.
709 2000-05-27 Richard Henderson <rth@cygnus.com>
711 * Makefile.in (resource.o): Depend on except.h.
712 * except.h (output_exception_table_data): Prototype.
713 * genconfig.c (gen_peephole2): Prototype.
714 * genemit.c (main): Include ggc.h.
715 * genoutput.c: Revert parts of last change: include errors.h
716 (main): Set progname.
717 * recog.c: Include hard-reg-set.h before recog.h.
718 * resource.c: Include except.h.
720 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
722 (alpha_write_linkage): Protect with BUFSIZ.
723 (alpha_need_linkage): Update prototype.
724 * config/alpha/alpha.c (function_arg): Move VMS code here.
725 (alpha_links_base): Remove.
727 (mark_alpha_links_node, mark_alpha_links): New.
728 (alpha_write_one_linkage): New.
729 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
730 (alpha_write_linkage): Use splay_tree_foreach.
731 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
732 to get the linkage symbol.
733 (call_value_vms): Likewise.
734 * config/alpha/elf.h (output_file_directive): Remove decl.
735 (ctors_section, dtors_section): Prototype.
736 (sbss_section, sdata_section): Prototype.
737 * config/alpha/vms.h (FUNCTION_ARG): Remove.
738 (readonly_section, link_section, literals_section): Prototype.
739 (ctors_section, dtors_section): Prototype.
740 (vms_valid_decl_attribute_p): Remove decl.
741 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
743 2000-05-27 Geoff Keating <geoffk@cygnus.com>
745 * reload.c (get_secondary_mem): Don't widen floating-point modes.
747 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
748 substituting the REG in a (subreg:X (reg:Y ...)).
750 2000-05-28 Neil Booth <NeilB@earthling.net>
752 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
753 first token of a line BOL. Update EOF code for this.
754 Remove illegal directive check - it appears in the (not
755 yet committed) caller.
756 * cpplib.h (BOL): New flag.
758 2000-05-28 Neil Booth <NeilB@earthling.net>
760 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
761 (_cpp_free_toklist): No comment space to free.
762 (expand_comment_space): Remove.
763 (save_comment_space): Place the comment in the current token and
764 not in a separate comment space.
765 (_cpp_lex_line): Save comments during plain code and #define
767 * cpplib.h (struct _cpp_toklist): Remove comment space.
769 2000-05-28 Neil Booth <NeilB@earthling.net>
771 * cppexp.c (parse_assertion): Supply extra argument to
773 * cpplib.c (do_assert, do_unassert): Similarly.
774 * cpphash.h (_cpp_init_toklist) Update.
775 (_cpp_expand_token_space): New.
776 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
777 * cpplex.c (_cpp_init_toklist): New argument.
778 (parse_string2): New argument multiline_ok.
779 (spell_token): Take a const cpp_token *.
780 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
781 (SPELL_ macros): Replace with enum.
782 (expand_token_space): Replace with _cpp_expand_token_space.
784 (IS_DIRECTIVE): Update.
785 (_cpp_lex_line): Update token structure before parsing number.
786 Don't assume start at beginning of token list.
787 (save_comment): Use INIT_TOKEN_NAME.
789 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
791 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
792 -Wmissing-prototypes.
793 * configure: Regenerate.
794 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
796 * builtins.c, calls.c: Change all instances of gen_call_* or
797 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
798 * calls.c (struct_value_size_rtx): Separate definition from
799 initialization to avoid unused variable warning.
801 * genflags.c (gen_macro): New function.
802 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
803 (gen_nonproto): Delete.
804 (gen_insn): Put all insns on the same obstack.
805 (main): Generate prototypes for everything unconditionally.
807 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
808 out check for wchar_t.
809 * acconfig.h: Add template for ssize_t. Remove @TOP@.
810 * system.h: Add infrastructure for defining missing
811 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
812 definitions of UCHAR_MAX and SSIZE_MAX.
813 * configure: Regenerate.
814 * config.in: Regenerate.
816 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
817 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
819 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
820 libgcc2.a, or libgcc1.null.
822 2000-05-27 Richard Henderson <rth@cygnus.com>
824 * Makefile.in (recog.o): Don't depend on resource.h.
825 * recog.c: Don't include resource.h.
826 (recog_last_allowed_insn): Remove.
827 (recog_next_insn): Remove.
828 (struct peep2_insn_data): New.
829 (peep2_insn_data, peep2_current): New.
830 (peep2_next_insn): New.
831 (peep2_regno_dead_p, peep2_reg_dead_p): New.
832 (peep2_find_free_register): New.
833 (peephole2_optimize): Track life information by insn as we go.
834 * recog.h: Update declarations.
835 * resource.c (find_free_register, reg_dead_p): Remove.
836 * resource.h: Remove their declarations.
837 * toplev.c: Include hard-reg-set.h before recog.h.
839 * genconfig.c (max_insns_per_peep2): New.
840 (gen_peephole2): New.
842 * genemit.c (output_peephole2_scratches): Generate calls to
843 peep2_find_free_register; adjust surrounding code.
844 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
845 * genrecog.c (change_state): Don't track last_insn.
846 (write_action): Write into *_pmatch_len before accepting.
847 (write_tree): Adjust peephole2_insns and subroutines to match.
849 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
851 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
852 (hard_int_register_operand): New.
853 * config/alpha/alpha-protos.h: Declare it.
854 * config/alpha/alpha.h (PREDICATE_CODES): Update.
855 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
856 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
858 2000-05-27 Richard Henderson <rth@cygnus.com>
860 * function.c (thread_prologue_epilogue_insns): Don't move the
861 line note at the head of the chain. Only force a lineno note
862 before the end of block 0.
864 2000-05-27 Richard Henderson <rth@cygnus.com>
866 * gensupport.c (collect_insn_data): Record the maximum number
867 of alternatives, not the last seen.
869 * genoutput.c: Don't include errors.h.
870 (struct data): Add lineno member.
872 (scan_operands): Use message_with_line instead of error.
873 (validate_insn_alternatives): Likewise.
874 (gen_insn): Accept and store the pattern's line number.
875 (gen_peephole, gen_expand, gen_split): Likewise.
876 (main): Don't set progname. Pass line_no to gen_foo.
878 2000-05-27 Richard Henderson <rth@cygnus.com>
880 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
881 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
882 * config/d30v/d30v.md (attr predicable): New.
883 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
884 (andsi3*): Unify into one pattern.
885 (iorsi3*, xorsi3*): Likewise.
886 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
888 (old cond_exec patterns): Remove.
889 (define_cond_exec): New.
891 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
893 * tree.h (TREE_CODE_LENGTH): New macro.
894 * c-common.c (c_find_base_decl): Use it.
895 * expr.c (safe_from_p): Likewise.
896 * print-tree.c (print_node): Likewise.
897 * tree.c (make_node, copy_node, get_identifier): Likewie.
898 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
899 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
900 * fold-const.c (make_range): Likewise.
901 (fold): Likewise; also use first_rtl_op.
902 * c-iterate.c (collect_iterators): Use first_rtl_op.
903 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
904 Use IS_EXPR_CODE_CLASS.
905 (preexpand_calls): Likewise.
906 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
907 and TREE_CODE_LENGTH.
908 * stmt.c (warn_if_unused_value): If no operands, no unused value.
910 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
912 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
914 (movdi_internal64): Likewise.
916 * config/rs6000/rs6000.md: Correct order of operands for DImode
919 * config/rs6000/rs6000.c (boolean_or_operator): New function.
920 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
921 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
922 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
923 boolean_operator for the boolean patterns without NOTs.
925 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
926 from reg_or_u_cint_operand. Change comment and behaviour.
927 (logical_operand): Clean up, add assertion.
928 (non_logical_cint_operand): Also check for
929 reg_or_logical_cint_operand.
930 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
931 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
937 2000-05-26 Mark Mitchell <mark@codesourcery.com>
939 * tree.h (struct record_layout_info): Rename to (struct
940 record_layout_info_s).
941 * stor-layout.c (start_record_layout): Replace
942 `record_layout_info' with `record_layout_info_s'.
944 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
946 * flow.c (find_label_refs): New function.
947 (find_basic_blocks_1): Call it for each alternative of a call
950 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
952 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
955 2000-05-25 Richard Henderson <rth@cygnus.com>
957 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
958 so strict about DImode.
959 (alpha_swapped_comparison_operator): Likewise.
960 * config/alpha/alpha.md (*setne_internal): Name it. Allow
961 any integer output mode.
962 (*setcc_internal): Likewise.
963 (*setcc_swapped_internal): Likewise.
964 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
965 (*mov[qhs]icc_internal): New.
966 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
968 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
970 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
972 2000-05-25 Richard Henderson <rth@cygnus.com>
974 * bb-reorder.c (reorder_block_def): Reorder elements for size.
975 Remove add_jump; add next; replace flags with visited.
977 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
978 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
979 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
980 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
982 (reorder_index, reorder_last_visited): Remove.
983 (skip_insns_after_block): Rewrite to use a switch.
984 (get_common_dest): Remove.
985 (chain_reorder_blocks): Remove.
986 (record_effective_endpoints): Split out from reorder_basic_blocks.
987 (make_reorder_chain): Likewise. Loop until all blocks are placed.
988 (make_reorder_chain_1): Renamed from old make_reorder_chain.
989 Only construct the reorder chain, do not move insns. Try harder
991 (label_for_bb, emit_jump_to_block_after): New.
992 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
993 and adjust the jump insns appropriately. Fixup basic_block_info.
994 (verify_insn_chain): Always define.
995 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
997 (make_new_scope): Don't write zeros to calloc'd space.
998 (build_scope_forest): Rely on xrealloc to DTRT.
999 (reorder_basic_blocks): Don't build loop nest. Don't fail if
1000 profile_arc_flag. Streamline EH test.
1002 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
1003 * basic-block.h: Declare them.
1005 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
1007 * emit-rtl.c (reset_used_decls): New function.
1008 (unshare_all_rtl_again): Call it.
1010 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
1012 * cpplex.c (maybe_macroexpand): Warn about function-like
1013 macros used in non-function context, if -Wtraditional.
1015 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1017 * recog.c (peephole2_optimize): Use INSN_P.
1019 2000-05-25 Richard Henderson <rth@cygnus.com>
1021 * ifcvt.c (seq_contains_jump): New.
1022 (noce_try_store_flag_constants): Use it to fail conversion.
1023 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
1025 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1027 * except.h (can_throw): Declare it.
1028 * except.c (can_throw): Give it external linkage.
1029 * resource.c (find_dead_or_set_registers): Use can_throw.
1031 2000-05-25 Richard Henderson <rth@cygnus.com>
1033 * flow.c (mark_set_1): Don't record conditionally dead memory.
1035 2000-05-25 Jan Hubicka <jh@suse.cz>
1037 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
1038 and pc_set at the place of simplejump_p and condjump_p.
1039 * cse.c (record_jump_equiv): Likewise.
1040 * emit-rtl.c (emit): Likewise.
1041 * explow.c (find_next_ref): Likewise.
1042 * flow.c (tidy_fallthru_edge): Likewise.
1043 (init_propagate_block_info): Likewise.
1044 * gcse.c (delete_null_pointer_checks): Likewise.
1045 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1046 dead_or_predicable): Likewise.
1047 * integrate.c (copy_insn_list): Likewise.
1048 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1049 for_each_insn_in_loop, check_dbra_loop, get_condition,
1050 insert_bct, load_mems): Likewise.
1051 * resource.c (find_dead_or_set_registers): Likewise.
1052 * sibcalls.c (simplejump_p): Likewise.
1053 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1055 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1057 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1058 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1060 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1061 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1062 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1063 * rs6000.md: Name various internal patterns.
1065 2000-05-25 Jan Hubicka <jh@suse.cz>
1067 * jump.c (invert_exp_1): Remove first argument, use pc_set
1068 to get the expression.
1069 (redirect_exp): Make static; redirect only the pc_set expression,
1070 remove first argument.
1071 (invert_exp): Remove first argument, make static.
1072 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1073 any_onlyjump at most places where we originaly did condjump_p
1075 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1076 (delete_barrier_succesors): Use pc_set.
1077 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1078 calls of invert_exp and redirect_exp.
1079 * rtl.h (redirect_exp, invert_exp): Remove.
1080 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1082 2000-05-25 Richard Henderson <rth@cygnus.com>
1084 * stmt.c (expand_end_bindings): Fix thinko last change.
1086 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1087 Andrew Haley <aph@cygnus.com>
1089 * except.c (func_eh_entry): Add emitted field.
1090 (new_eh_region_entry): Set emitted field to 0;
1091 (output_exception_table_entry): Only emit previously un-emitted data,
1092 and send it to the eh_data section.
1093 (output_exception_table): Break out common parts. Output
1094 exception table for entire compilation unit to eh_data section.
1095 (output_exception_table_data): Common parts of output_exception_table.
1096 Send output to eh_data section.
1097 (output_function_exception_table): Output exception table data for
1098 a single function to eh_data section.
1099 (free_exception_table): New external to free the table.
1100 * except.h (free_exception_table): Add prototype.
1101 (output_function_exception_table): Add prototype.
1102 * final.c (final_end_function): Output function exception table
1103 for IA64_UNWIND_INFO.
1104 (final_scan_insn): Emit any unwind directives for an insn.
1106 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1108 * frame.c: Remove all DWARF 2 specific code.
1109 * config/ia64/frame-ia64.c: New file.
1110 (gthread_stuff): Make all gthread available with
1112 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1113 (__register_frame_info, __register_frame): Move to common area of file.
1114 (__register_frame_info_table, __register_frame_table): Move to common i
1116 (__deregister_frame_info, __deregister_frame): Move to common area.
1117 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1118 (read_uleb128): New version for ia64.
1119 (get_unwind_record): Read the next IA-64 unwind record.
1120 (read_R_record): Read a region header record.
1121 (process_a_b_reg_code): X record helper.
1122 (read_X_record): Read an X format record.
1123 (read_B_record): Read a B format record.
1124 (P3_record_types): List of record types matching the P3 format.
1125 (P7_record_types): List of record types matching the P7 format.
1126 (P8_record_types): List of record types matching the P8 format.
1127 (read_P_record): Read a P format record.
1128 (init_ia64_reg_loc): Set default fields for a register.
1129 (init_ia64_unwind_frame): Set defaults for all register records.
1130 (execute_one_ia64_descriptor): Execute one descriptor record.
1131 (rse_address_add): Calculate the position of a local reg in memory.
1132 (normalize_reg_loc): Turn a location descriptor into a memory address.
1133 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1134 within a specified PC offset range.
1135 (get_real_reg_value): Given a register location, retrieve its value.
1136 (set_real_reg_value): Change the value of a register location.
1137 (copy_reg_value): Copy reg values, if needed.
1138 (copy_saved_reg_state): Copy all registers that need to be copied.
1139 (process_state_between): Normalize all frame register records that
1140 fall within the specified PC range.
1141 (frame_translate): Take a processed frame description, and turn
1142 everything into addresses.
1143 (build_ia64_frame_state ): Find and create frame state record for a PC.
1144 (get_personality): Get the personality routine for a given frame.
1145 (get_except_table): Get the exception table for a given frame.
1146 (record_name): Unwind record names for debugging.
1147 (print_record): Print and unwind record.
1148 (print_all_records): Print an entire unwind image.
1149 (__ia64_backtrace): Print a backtrace.
1150 (ia64_backtrace_helper): New function.
1151 (__register_frame_info_aux): New function.
1152 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1154 * frame.h (enum unw_record_type): New unwind record types.
1155 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1156 (struct unw_r_record, unwind_record): New unwind record structs.
1157 (struct unwind_info_ptr): Unwind information layout.
1158 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1160 (struct ia64_reg_loc): Register location description.
1161 (struct ia64_frame_state): Location of all registers in a frame.
1162 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1163 * libgcc2.c (__ia64_personality_v1): Personality routine.
1164 (__calc_caller_bsp): Calculate the bsp register for the caller's
1166 (ia64_throw_helper): Figure out who to return to and set up the
1168 (__throw): Throw routine.
1170 * output.h (assemble_eh_align, assemble_eh_label): New functions
1171 to generate EH info where we want it.
1172 (assemble_eh_integer): New function.
1173 * toplev.c (compile_file): Output module level exception table for
1175 (main): Set exceptions_via_longjump and flag_new_exceptions based
1176 on IA64_UNWIND_INFO too.
1178 * varasm.c (assemble_eh_label): Generate a label via
1179 ASM_OUTPUT_EH_LABEL if it has been specified.
1180 (assemble_eh_align): Generate an alignment directive via
1181 ASM_OUTPUT_EH_ALIGN if it has been specified.
1182 (assemble_eh_label): Generate an integer value via
1183 ASM_OUTPUT_EH_type if they have been specified.
1184 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1185 (ia64_init_builtins): Add __builtin_ia64_bsp
1186 and __builtin_ia64_flushrs.
1187 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1188 IA64_BUILTIN_FLUSHRS.
1189 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1190 IA64_BUILTIN_FLUSHRS.
1192 * config/ia64/ia64.md (flushrs): New insn to flush the register
1193 stack. Add to unspec list.
1195 * config/ia64/crtbegin.asm (frame_object): Change size.
1196 (__do_frame_setup_aux): New function.
1197 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1198 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1199 * Makefile.in (LIB2ADDEH): Add.
1200 (LIB2ADD): Use LIB2ADDEH.
1202 2000-05-24 Richard Henderson <rth@cygnus.com>
1204 * recog.c (offsettable_address_p): If mode size is zero, assume
1207 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1209 * configure.in: Check for -Wno-long-long option support and improve
1210 handling of warning CFLAGS for stages 1 and 2.
1211 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1212 * configure: Regenerate.
1214 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1216 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1217 * contrib.texi: New file.
1219 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1221 * loop.c (basic_induction_var): Avoid double recording of an increment.
1223 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1225 * Back out this patch:
1226 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1227 * loop.h (struct induction): Add multi_insn_incr.
1228 * loop.c (basic_induction_var): New multi_insn_incr argument.
1229 Set it if we search back through previous insns for the biv.
1230 (record_biv): New multi_insn_incr argument; fill in struct induction.
1231 (strength_reduce): Discard an iv with multiple bivs, any of
1232 which require multiple insns to increment.
1234 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1236 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1238 * rtl.h (loc_mentioned_in_p): Declare.
1239 * reload.c (loc_mentioned_in_p): Moved from here...
1240 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1241 Fix loop increment for 'E' handling.
1242 * loop.c (strength_reduce): When doing biv->giv conversion,
1243 take multi-insn biv increments into account.
1245 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1247 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1250 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1252 * calls.c (expand_call): Handle cleanups in tail-recursion
1253 arguments analagously to cleanups in sibling calls.
1255 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1257 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1258 All callers changed.
1260 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1262 * expr.c (expand_assignment, store_expr, expand_expr,
1263 expand_expr_unaligned): Set in_check_memory_usage while emitting
1264 chkr_check_addr libcall.
1266 2000-05-24 Nick Clifton <nickc@cygnus.com>
1268 * fold-const.c (extract_muldiv): When constructing a
1269 multiplier/divisor, do not expect const_binop to correctly
1270 determine if overflow has occured, so check explicitly.
1272 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1274 * c-decl.c (build_enumerator): Don't modify the value's type,
1277 2000-05-24 Andreas Jaeger <aj@suse.de>
1279 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1281 2000-05-24 Eric Christopher <echristo@cygnus.com>
1283 * configure.in: Redefine inhibit_libc conditions.
1284 * libgcc2.c: Remove inhibit_libc conditional define.
1285 * configure: Regenerate.
1287 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1289 * configure.in: For --enable-languages=LIST, check for empty LIST.
1290 * configure: Regenerate.
1292 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1294 * pdp11.h (STACK_BOUNDARY): Define.
1296 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1298 * ifcvt.c (if_convert): Update life info globally.
1300 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1302 * emit-rtl.c (unshare_all_decls): New function.
1303 (unshare_all_rtl): Call it.
1305 2000-05-23 Nick Clifton <nickc@cygnus.com>
1307 * configure.in: Treat 'strongarm' as if it were 'arm' when
1308 determining cpu type.
1310 * configure: Regenerate.
1312 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1313 where constant strings are involved.
1315 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1318 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1319 cases where constant strings are involved.
1321 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1323 * config/sh/sh.c (gen_far_branch, split_branches): Update
1324 to reflect new prototypes for redirect_jump and invert_jump.
1325 (sh_insn_length_adjustment): Get rid of const warnings.
1327 2000-05-23 Kazu Hirata <kazu@hxi.com>
1329 * invoke.texi (Options for Debugging Your Program or GCC): Update
1330 the names of dump files.
1332 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1334 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1335 * configure: Regenerated.
1337 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1339 * simplify-rtx.c (SIGN_EXTEND): New macro.
1340 (simplify_unary_operation, simplify_binary_operation,
1341 simplify_relational_operation): Use SIGN_EXTEND. Make low
1342 halves of (low, high) pairs unsigned if they weren't already.
1343 (simplify_ternary_operation): Cast INTVAL to unsigned before
1344 comparing to a MODE_BITSIZE.
1346 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1348 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1349 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1351 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1352 gcc_AC_NEED_DECLARATIONS.
1354 * dwarfout.c: Don't prototype time().
1356 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1358 * system.h: Likewise.
1360 * toplev.c: Likewise.
1362 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1364 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1366 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1368 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1370 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1372 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1374 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1376 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1377 (alpha_start_function): Never write ..ng label if VMS or NT.
1378 (alpha_align_insns): Remove GP_IN_USE arg.
1379 Alignment now unsigned.
1380 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1381 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1382 and two define_insn's.
1384 2000-05-22 Richard Henderson <rth@cygnus.com>
1386 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1388 2000-05-22 Richard Henderson <rth@cygnus.com>
1390 * stor-layout.c (place_field): Change rli->size to rli->offset.
1392 2000-05-22 Richard Henderson <rth@cygnus.com>
1394 * function.c (thread_prologue_and_epilogue_insns): Make sure
1395 existing line number notes appear after the prologue.
1397 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1399 * config/alpha/alpha.c (alpha_fnname): New static variable.
1400 (print_operand, case '~'): New case.
1401 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1402 (alpha_start_function): Set alpha_fnname.
1403 Write "ng" label if no ldgp; don't write ldgp insn.
1404 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1405 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1407 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1409 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1412 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1414 * varasm.c (eh_frame_section): Revert change to argument list.
1416 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1418 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1419 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1421 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1422 dangling "else" that causes "break" to be conditional.
1423 Also remove unneeded code at start.
1425 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1427 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1428 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1429 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1431 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1433 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1436 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1438 * alias.c (record_component_aliases): New function.
1439 * tree.h: Clean up some declarations and comments.
1440 (record_component_aliases): New declaration.
1441 * tree.c (get_alias_set): If type and has alias set, use it.
1443 2000-05-22 Richard Henderson <rth@cygnus.com>
1445 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1446 IF_THEN_ELSE to a setcc form.
1447 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1449 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1451 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1452 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1454 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1456 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1459 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1461 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1462 * config/mn10300/mn10300.c (print_operand): Likewise.
1464 * final.c (split_double): Right shift of negative values is not
1467 * ifcvt.c (if_convert): Scan and kill dead code.
1469 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1471 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1473 * diagnostic.c: Eliminate implicit int.
1474 * except.c, gcc.c: Add static prototypes.
1475 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1476 * gensupport.c (process_rtx): Use XVEC to initialize vector
1479 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1480 debug_reg_names instead of static reg_names. If not, define
1482 * regclass.c: Don't define global reg_names unless
1483 DEBUG_REGISTER_NAMES is defined.
1485 * reload1.c (order_regs_for_reload): Remove unused variable.
1486 * varasm.c: Include output.h after defaults.h. Define
1487 eh_frame_section as function of no args, not of unspecified args.
1489 * gcc.c: Constify argbuf; arguments to store_arg,
1490 process_command, main; elements of struct command and struct
1491 switchstr; local variables in execute, process_command, main.
1493 2000-05-20 Bruce Korb <bkorb@gnu.org>
1495 * fixinc/inclhack.def: many applications of c_fix=format + tests
1496 * fixinc/check.diff: regenerated
1497 * fixinc/fixincl.x: regenerated
1499 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1501 * alias.c: Clarify some comments.
1502 (record_base_value): REGNO is unsigned.
1503 * rtl.h (record_base_value): Likewise.
1505 * alias.c (aliases_everything_p): Don't special-case QImode here.
1506 * c-common.c (c_get_alias_set): Do it here.
1507 Handle BIT_FIELD_REF by getting alias info for arg.
1510 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1512 * mklibgcc.in: Restore rule to create ${dir}.
1514 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1516 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1517 GCC_FOR_TARGET used by MULTILIBS.
1518 * mklibgcc.in: Make sure each .o file depends on the
1519 directory it will be in.
1520 Make the multilib directory depends libgcc.
1522 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1524 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1526 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1528 * fold-const.c (make_range): Handle degenerated intervals.
1529 Fixes c-torture/execute/991221-1.c
1531 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1533 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1534 * reload.c (find_equiv_reg): Likewise.
1535 * alias.c (init_alias_analysis): Likewise.
1536 Only call prologue_epilogue_contains on insns.
1537 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1538 * bb-reorder.c (hard-reg-set.h): Include earlier.
1539 * haifa-sched.c (hard-reg-set.h): Likewise.
1540 * ifcvt.c (hard-reg-set.h): Likewise.
1541 * local-alloc.c (hard-reg-set.h): Likewise.
1542 * loop.c (hard-reg-set.h): Likewise.
1543 * predict.c (hard-reg-set.h): Likewise.
1544 * regrename.c (hard-reg-set.h): Likewise.
1545 * flow.c (hard-reg-set.h): Likewise.
1546 (reg_set_to_hard_reg_set): New function.
1547 * bitmap.c (regs.h, basic-block.h): No longer include.
1548 (bitmap.h): Now include.
1549 * conflict.c (hard-reg-set.h): Include.
1550 * profile.c (hard-reg-set.h): Likewise.
1551 * print-rtl.c (hard-reg-set.h): Likewise.
1552 * sbitmap.c (hard-reg-set.h): Likewise.
1553 * toplev.c (hard-reg-set.h): Likewise.
1554 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1555 * hard-reg-set.h (reg_names): Now constant.
1556 * regs.h (reg_names): Likewise.
1557 * regclass.c (reg_names): Likewise.
1558 * loop.h (basic-block.h): No longer include.
1559 (bitmap.h): Now include.
1560 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1561 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1562 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1564 2000-05-19 Jan Hubicka <jh@suse.cz>
1565 Richard Henderson <rth@cygnus.com>
1567 * basic-block.h (struct edge_def): New field "count".
1568 (struct basic_block_def): Likewise.
1569 * flow.c (entry_exit_blocks): Add count fileds.
1570 (split_edge): Keep count information up-to-date.
1571 (dump_edge_info, dump_flow_info): Dump count fields.
1573 * final.c (count_instrumented_edges): Rename to edge from arc.
1574 (end_final): Update users.
1575 * profile.c: Include expr.h, basic-block.h.
1576 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1577 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1578 (ignore_next_note, return_label_execution_count): Kill.
1579 (bbg_file_name, da_file_name): Kill.
1580 (edge_info, bb_info): New structures.
1581 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1582 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1583 (total_num_edges_instrumented): Likewise.
1584 (init_arc, expand_spanning_tree): Kill.
1585 (fill_spanning_tree, tablejump_entry_p): Kill.
1586 (instrument_edges): Rewrite from instrument_arcs to use
1587 commit_edge_insertions infrastructure.
1588 (compute_branch_probabilities): Remove arguments; rewrite for
1589 CFG infrastructure; use rtl_dump_file directly.
1590 (branch_prob, find_spanning_tree): Likewise.
1591 (union_groups, find_group): New.
1592 (init_branch_prob): Make bbg_file_name and da_file_name local.
1593 (end_branch_prob): Use rtl_dump_file directly.
1594 (init_edge_profiler): Rename to edge from arc.
1595 (output_arc_profiler): Kill.
1596 (gen_edge_profiler): New.
1597 (output_func_start_profiler): Turn off profiling. Make the
1598 constructor static when we can.
1599 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1601 * toplev.c (DFI_flow): Remove.
1602 (DFI_cfg, DFI_life): New.
1603 (dump_file): Update accordingly.
1604 (compile_file): Call end_branch_prob if profile_arc_flag too.
1605 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1606 profiling after the CFG is built. Move flow1 life analysis to
1607 DFI_life. Always estimate remaining probabilities.
1609 2000-05-19 Richard Henderson <rth@cygnus.com>
1611 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1613 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1615 2000-05-19 Richard Henderson <rth@cygnus.com>
1617 * jump.c (redirect_jump): Add delete_unused argument. Don't
1618 remove labels and code following when LABEL_NUSES goes to zero.
1619 (invert_jump): Likewise.
1620 (jump_optimize_1): Fix redirect/invert arguments.
1621 (do_cross_jump, thread_jumps): Likewise.
1622 * flow.c (split_edge): Likewise.
1623 * reorg.c (optimize_skip): Likewise.
1624 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1625 * profile.c (instrument_arcs): Likewise.
1626 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1627 * rtl.h: Update prototypes.
1629 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1631 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1633 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1636 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1638 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1639 past l1 when deleting whitespace and markers.
1641 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1642 * cpplib.c (do_unassert): Put the list to compare against on
1645 2000-05-19 Bruce Korb <bkorb@gnu.org>
1647 * fixinc/README: cleaned up old documentation
1648 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1649 * fixinc/check.tpl: compute the list of needed directories
1650 emit "#if defined(name)" because of conflict
1651 omit machine name differences from output differences
1652 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1653 (machine_name): change test text to use `sed' markers
1654 * fixinc/fixincl.x: regen
1656 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1658 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1661 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1663 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1664 it to match the current practice.
1666 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1668 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1670 2000-05-18 Richard Henderson <rth@cygnus.com>
1672 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1673 * rtl.h (insn_dependant_p): Declare it.
1674 * loop.c (strength_reduce): Use it.
1676 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1678 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1679 16-bit and 64-bit clean-up.
1681 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1683 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1684 * configure: Rebuilt.
1686 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1688 * genopinit.c: Use $ for escape sequences in optab patterns.
1689 Remove backslashes from optab patterns. Change $A, $B, $C to
1690 expand to (int) whatever instead of just whatever; remove
1691 explicit (int) from all optab patterns.
1693 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1694 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1695 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1696 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1699 2000-05-18 Richard Henderson <rth@cygnus.com>
1701 * jump.c (jump_optimize_1): Base minimum insn count during
1702 find_cross_jump on BRANCH_COST.
1704 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1706 * print-rtl.c (print_rtx): Only print note line number as string
1707 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1708 * final.c (final_scan_insn): Do nothing for note line number 0.
1710 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1712 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1713 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1714 NOTE_INSN_DELETED_LABEL.
1716 2000-05-18 Nick Clifton <nickc@cygnus.com>
1718 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1719 uninitialised data in .rodata not .bss, and do not interpret an
1720 error in the initialisation value as meaning that the variable
1721 should be placed in the .bss section.
1723 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1725 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1726 not `$ac_cv_prog_cc_cc_c_o'.
1727 * configure: Regenerated.
1729 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1730 Richard Henderson <rth@cygnus.com>
1732 * c-common.h (enum c_tree_index): Add g77 type entries.
1733 (g77_integer_type_node, g77_uinteger_type_node): New.
1734 (g77_longint_type_node, g77_ulongint_type_node): New.
1735 * c-decl.c (init_decl_processing): Initialize them.
1737 2000-05-18 Richard Henderson <rth@cygnus.com>
1739 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1741 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1742 (small_power_of_two): Likewise; use exact_log2.
1743 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1744 (output_adds_subs): Remove.
1745 (two_insn_adds_subs_operand): New.
1746 (split_adds_subs): New.
1747 * config/h8300/h8300-protos.h: Update.
1748 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1749 (CONST_OK_FOR_L): Match strict adds operands.
1750 (CONST_OK_FOR_N): Match struct subs operands.
1751 * config/h8300/h8300.md (adds_subs insns): Remove.
1752 (addhi patterns): Output adds/subs directly.
1753 (addsi_h8300h): Likewise.
1754 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1756 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1758 * cppexp.c (parse_assertion): New.
1759 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1760 (_cpp_parse_expr): Remove case '#'. Don't set
1761 parsing_if_directive.
1762 * cpphash.c (collect_objlike_expansion,
1763 collect_funlike_expansion, collect_params,
1764 _cpp_create_definition): The list no longer has a trailing
1766 * cpphash.h (enum node_type): Add T_ASSERTION.
1767 (struct hashnode): Remove aschain, add pred.
1768 (struct predicate): New.
1771 * cpplex.c (expand_token_space): Handle both offset and
1773 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1774 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1775 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1776 _cpp_equiv_toklists): New.
1777 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1778 stop at any single-character token, not just newline.
1779 (_cpp_lex_token): Remove special cases for #define and #if.
1780 (cpp_get_token): Expect # as a separate token type. Remove
1782 (_cpp_get_directive_token): Remove DIRECTIVE case.
1783 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1785 * cpplib.c (_cpp_check_directive): Set dirno and
1786 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1787 (_cpp_handle_directive): Run # <number> through the same logic
1788 as normal directives.
1789 (do_define): Don't set parsing_define_directive. Use
1790 _cpp_scan_until. The list does not have a VSPACE at the end.
1791 (do_if): Save, clear, and restore only_seen_white around
1793 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1794 (do_assert, do_unassert): Rewrite.
1796 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1797 (LIST_OFFSET): New flag.
1798 (struct cpp_toklist): Replace dir_handler and dir_flags with
1800 (struct cpp_reader): Remove parsing_if_directive and
1801 parsing_define_directive.
1803 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1805 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1806 following the cabs decl which terminate on the following line.
1807 Add the corresponding test_text case.
1809 2000-05-18 Neil Booth <NeilB@earthling.net>
1811 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1812 default tab stop size.
1813 (no_num, OPT_ftabstop): New.
1814 (handle_option): Handle "ftabstop=" command-line option.
1815 (print_help): Document it.
1816 * cpplex.c (COLUMN): Remove.
1817 (handle_newline): Reset col_adjust.
1818 (skip_whitespace): Update col_adjust as tabs encountered.
1819 (_cpp_lex_line): Update to use col_adjust. Call
1820 skip_whitespace for all whitespace.
1821 * cpplib.h (struct cpp_options): New member tabstop.
1822 (struct cpp_reader): New member col_adjust.
1823 (CPP_BUF_COL): Update.
1824 (CPP_BUF_COLUMN): New.
1825 * cpp.texi: Document "-ftabstop=" command line option.
1827 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1829 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1831 * configure: Rebuilt.
1833 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1835 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1837 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1838 HOST_BITS_PER_WIDE_INT is >= 64.
1840 2000-05-17 Richard Henderson <rth@cygnus.com>
1842 * jump.c (jump_optimize_1): Remove inactive but real insns
1843 in jump-to-next-insn optimization.
1845 2000-05-17 Richard Henderson <rth@cygnus.com>
1847 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1848 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1849 Don't call recompute_reg_usage if no_new_pseudos is true.
1850 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1851 Return true if we did work; update global life information.
1852 * basic-block.h (optimize_mode_switching): Update decl.
1854 2000-05-17 Neil Booth <neilb@earthling.net>
1856 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1858 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1860 * cpplib.c: New feature, #pragma system_header.
1861 * cpp.texi: Document special treatment of system headers, and
1862 the various mechanisms to get a header that special treatment.
1864 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1866 * system.h (offsetof): Define at the very end, to ensure we prefer
1867 the platform's definition if available.
1869 2000-05-16 Bruce Korb <bkorb@gnu.org>
1871 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1872 * fixinc/server.c: likewise
1873 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1874 + #ifdef debugging code + use #def constant for
1876 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1877 on C++ math namespace
1879 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1881 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1882 Don't check the return value of sprintf. Use asprintf to avoid
1885 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1887 * flags.h (warn_unused_function, warn_unused_label,
1888 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1889 Replace ``warn_unused''.
1890 (set_Wunused): Add declaration.
1891 * toplev.c (set_Wunused): New function.
1892 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1893 warn_unused_variable, warn_unused_value): New variables.
1894 (W_options): Add -Wunused-function, -Wunused-function,
1895 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1896 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1898 * toplev.c (decode_W_option): Update -Wunused flags by calling
1900 * c-decl.c (c_decode_option): Ditto for -Wall.
1902 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1903 warn_about_unused_variables): Replace warn_unused with more
1904 explicit warn_unused_value et.al.
1905 * function.c (expand_function_end): Ditto.
1906 * c-typeck.c (internal_build_compound_expr,
1907 internal_build_compound_expr): Ditto.
1908 * c-decl.c (poplevel, pop_label_level): Ditto.
1909 * toplev.c (check_global_declarations): Replace warn_unused with
1910 check for either warn_unused_function or warn_unused_variable.
1912 * gcc.1, invoke.texi (Warning Options): Document
1913 -Wunused-function, -Wunused-function, -Wunused-label,
1914 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1916 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1918 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1919 $(srcdir), not in the current directory.
1921 2000-05-16 Richard Henderson <rth@cygnus.com>
1923 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1924 assembler supports it.
1925 (.fini, .init): Use a gp-relative indirect call.
1926 (__do_global_dtors_aux): Preserve the gp; rebundle.
1927 (__do_frame_setup): Likewise.
1928 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1929 (.init): Use a gp-relative indirect call.
1930 (__do_global_ctors_aux): Preserve the gp.
1932 2000-05-16 Richard Henderson <rth@cygnus.com>
1934 * flow.c (commit_one_edge_insertion): Be prepared for a return
1935 insn to be inserted on the edge with a normal jump.
1936 * jump.c (jump_optimize_1): Don't look to create return isns.
1938 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1939 * jump.c (jump_optimize_1): Likewise.
1940 (returnjump_p): Verify the argument is a JUMP_INSN.
1941 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1943 2000-05-16 Nick Clifton <nickc@cygnus.com>
1945 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1946 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1947 (large_insn_p): Ditto.
1948 (m32r_is_insn): New function: Return true if the insn contains
1949 an executable instruction.
1950 (m32r_adjust_insn): Use m32r_is_insn.
1951 (m32r_sched_reorder): Use m32r_is_insn.
1952 (m32r_sched_variable_issue): Use m32r_is_insn.
1954 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1956 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1959 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1961 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1962 according to given options.
1964 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1966 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1967 if X has VOIDmode either.
1968 (LIMIT_RELOAD_CLASS): Similarly.
1970 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1971 not "general_operand" to match the processor's capabilities.
1973 2000-05-16 Bruce Korb <bkorb@gnu.org>
1975 * fixinc/README: corrected return address
1976 * fixinc/check.diff: regenerate, now that test works
1977 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1978 (char_macro_def_fix,char_macro_use_fix): corrected and
1979 rewrote to use regex to parse the text
1980 * fixinc/inclhack.def: more testing
1981 * fixinc/fixincl.x: regenerated
1983 * fixinc/inclhack.def: added several "test_text" attributes
1984 changed several fixes to use `c_fix = format'
1985 re-alphabetized the fixes
1987 * fixinc/check.diff: regenerate
1988 * fixinc/fixincl.x: regenerate
1989 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1993 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1995 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1997 2000-05-15 Richard Henderson <rth@cygnus.com>
1999 * toplev.c (rest_of_compilation): Run full jump pass before
2000 find_basic_blocks of flow2.
2002 2000-05-15 Richard Henderson <rth@cygnus.com>
2004 * jump.c: Fix typos and clarify commentary from last change.
2005 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
2006 (safe_to_remove_jump_p): Remove.
2007 (condjump_label): Use pc_set.
2009 2000-05-15 Richard Henderson <rth@cygnus.com>
2011 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
2012 that get in the way after reload.
2013 (cond_exec_process_if_block): Skip a label heading THEN block.
2015 2000-05-15 Richard Henderson <rth@cygnus.com>
2017 * varasm.c (output_constant_pool): Abort instead of converting
2018 (improperly) deleted labels to zero.
2020 2000-05-16 Neil Booth <NeilB@earthling.net>
2022 * cpplex.c (parse_string2): Update comment.
2023 (cpp_lex_line): No special assertion treatment for '('.
2024 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
2025 * cpplib.h (SYNTAX_ASSERT): Remove.
2027 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2029 * jump.c (condjump_p): Mark as depreached.
2030 (any_condump_p): New.
2031 (any_uncondump_p): New.
2033 (safe_to_remove_jump_p): New.
2034 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
2035 safe_to_remove_jump_p): Declare.
2037 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2039 * calls.c: Re-install both patches reverted by last patch.
2040 (struct arg_data): New field tail_call_reg.
2041 (initialize_argument_information): Initialize tail_call_reg
2042 (load_register_parameters): New argument flags, use
2043 tail_call_reg when emiting tail call sequence.
2044 (expand_call): Update call of load_register_parameters;
2045 copy unadjusted_args_size to adjusted_args_size.
2047 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2049 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2050 and bct_p parameters to flags.
2051 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2052 * rtl.h (loop_optimize): Update prototype.
2053 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2055 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2057 * calls.c (expand_call): Move expand_start_target_temps call after
2060 2000-05-15 Neil Booth <NeilB@earthling.net>
2062 * cpphash.c (trad_stringify, warn_trad_stringify,
2063 collect_params): Make some pointers pointers to const.
2064 * cpplex.c (auto_expand_name_space) Guaranteed to always
2065 expand by at least one character.
2066 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2067 (struct token_spelling): Use const U_CHAR * rather than PTR.
2068 (expand_name_space): Fix up token pointers if name space
2069 is moved when expanding.
2070 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2071 parse_string2, save_comment, spell_token, cpp_output_list):
2072 Update so the routines handle tokens with a direct pointer to
2073 their text, rather than an offset into the token's list's namebuf.
2074 (_cpp_lex_line): Rearrange for clarity.
2076 * cpplib.c (_cpp_check_directive): Similarly.
2077 (do_define): Make SYM a pointer to const.
2078 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2079 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2080 (TOK_OFFSET): Delete.
2083 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2085 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2088 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2090 (logical_u_operand): Delete.
2091 (non_logical_cint_operand): Rewrite to take MODE into account.
2092 (non_logical_u_cint_operand): Delete.
2093 (boolean_operator): New function.
2094 (print_operand): Add new %q operand.
2095 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2096 remove logical_u_operand and non_logical_u_cint_operand,
2097 update logical_operand and non_logical_cint_operand.
2098 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2099 logical operations to use %q.
2101 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2102 (movdi): Make similar to movsi.
2103 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2104 is no such thing as a DImode CONST_DOUBLE.
2105 * config/rs6000/rs6000.c (output_toc): Likewise.
2107 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2108 codes when old mnemonics are in use. Print register names
2109 for cc registers when requested.
2111 * optabs.c (expand_float): Don't allow mode widening that causes
2114 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2115 flags to their current names -maix64 and -maix32.
2117 2000-05-14 Bruce Korb <bkorb@gnu.org>
2119 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2120 and/or after current text of file
2121 * fixinc/fixlib.c(must_malloc):
2122 * fixinc/fixlib.h(must_malloc): + reformatting
2123 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2124 with usages of ``c_fix = wrap;''
2125 Add several tests and use the ``c_fix = format'' fixer more.
2126 * fixinc/fixincl.x: regen
2127 * fixinc/check.diff: regen
2128 * fixinc/check.tpl: emit the associated header with the missing
2131 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2133 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2134 variables $src and $dst.
2136 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2138 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2139 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2140 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2141 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2143 (set_message_prefixing_rule): Declare.
2145 * diagnostic.c: (current_prefixing_rule): New variable.
2146 (set_message_prefixing_rule): Define.
2147 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2148 (init_output_buffer): Adjust Initialization.
2149 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2151 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2153 * ifcvt.c (if_convert): Do not free NULL.
2155 2000-05-12 Nick Clifton <nickc@cygnus.com>
2157 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2158 to move a double word value.
2159 (di_operand): New function: Return true if the operand is suitbale
2160 for a double word move operation.
2161 (nonimmediate_di_operand): New function: Return true if the
2162 operand is a DImode register or MEM.
2164 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2165 nonimmediate_di_operand.
2167 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2168 nonimmediate_di_operand.
2170 * config/fr30/fr30.md (movdi): New pattern. Required because
2171 other patterns generate DImode results.
2172 (movdi_insn): New pattern.
2174 2000-05-12 Richard Henderson <rth@cygnus.com>
2176 * config/alpha/alpha.c (struct shadow_summary): Define
2177 bitfields as type unsigned int.
2179 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2181 * config/avr/t-avr: Added definition of FLOAT while generates
2184 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2185 peepholes for tst+jump = sbrs/sbrc optimization.
2187 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2189 * expr.c (emit_push_insn): Do not adjust stack pointer when
2192 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2194 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2195 * system.h (offsetof): ... to here.
2197 2000-05-12 Richard Henderson <rth@cygnus.com>
2199 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2200 * final.c (final_end_function): Use app_disable. Rearrange note
2201 handling into a switch. Emit deleted labels.
2202 (output_asm_label): Generate label strings for deleted labels.
2203 * flow.c (tail_recursion_label_list): New.
2204 (find_basic_blocks_1): Set label_value_list directly. Collect list
2205 of tail recursion labels from call_placeholders. Don't add deleted
2206 labels to the label value list.
2207 (cleanup_cfg): Use free_EXPR_LIST_list.
2208 (flow_delete_insn_chain): Turn non-removable labels into notes.
2209 (flow_delete_block): Don't disable deleting the block because of
2210 a non-removable label.
2211 (tail_recursion_label_p): New.
2212 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2214 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2216 (merge_blocks): Disable a merge because of tail recursion labels.
2217 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2218 Use a more accurate measure of not merging the join block.
2219 (find_if_block): Don't disable conversion because of a label.
2220 (find_if_case_1, find_if_case_2): Likewise.
2221 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2222 element when copying.
2223 (squeeze_notes): Also leave EH notes.
2224 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2226 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2228 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2229 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2230 referring to a deleted label. Convert tail handling to a switch.
2231 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2232 for NOTE_INSN_DELETED_LABEL.
2233 (NOTE): Fix commentary.
2234 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2235 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2236 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2237 (LABEL_NUSES, LABEL_REFS): Likewise.
2238 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2240 2000-05-12 Bruce Korb <bkorb@gnu.org>
2242 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2243 * fixinc/check.diff: updated
2244 * fixinc/inclhack.def: corrected & added some test_text-s
2245 * fixinc/genfixes: removed unneeded options to autogen invocation
2246 * fixinc/fixincl.tpl: Specified the output file
2247 * fixinc/fixfixes.c: visual appearance
2248 * fixinc/fixincl.x: regenerate
2250 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2252 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2253 CTRL_defn_fix): Delete.
2254 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2255 char_macro_def_fix and char_macro_use_fix, respectively. Put
2256 them into the FIXUP_TABLE. Get the string to search for from
2259 (format_write): New function.
2260 (format_fix): Use it.
2262 (FIX_PROC_HEAD): Constify text parameter.
2263 (machine_name_fix): Constify all char *s.
2264 * fixtests.c (skip_quote): Remove double static.
2266 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2267 ctrl_use_quotes): Update for new scheme.
2268 * fixincl.x: Regenerate.
2270 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2272 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2274 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2275 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2277 2000-05-11 Robert Lipe <robertlipe@usa.net>
2279 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2280 * fixincl.x: Regenerate.
2282 2000-05-11 Richard Henderson <rth@cygnus.com>
2284 * calls.c: Revert both 05-09 patches.
2286 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2288 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2290 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2293 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2294 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2296 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2298 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2300 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2302 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2304 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2306 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2307 * config/avr/avr.c (jump_over_one_insn_p): New function.
2308 * config/avr/avr.md: New peepholes added. Output test and
2309 conditional jump to "sbrc" or "sbrs" command.
2311 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2313 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2315 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2317 * except.c (find_exception_handler_labels_1): New function.
2318 (find_exception_handler_labels): Split into two functions, dive
2319 into CALL_PLACEHOLDERs when looking for exception handler labels.
2321 2000-05-11 Stan Cox <scox@cygnus.com>
2323 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2324 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2325 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2327 2000-05-11 Bruce Korb <bkorb@gnu.org>
2329 * fixinc/fixfixes.c (double_slash_fix): obsolete
2330 (else_endif_label_fix): obsolete
2331 (format_fix): new, unused as yet
2333 * fixinc/fixlib.h: added fix description struct for use by format_fix
2334 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2335 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2336 modules. Removed the vestiges of the script version.
2337 Added support for "make check".
2338 * fixinc/check.diff: base diff file (needs work!!)
2339 * fixinc/check.tpl: quiet the fixup output
2340 * fixinc/fixtests.c (main): obsolete
2341 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2342 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2344 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2346 * toplev.c (rest_of_compilation): Remove dead code after
2349 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2351 * cpphash.c (collect_funlike_expansion): Make "# is not
2352 followed by a macro argument name" a pedwarn, not an error.
2353 Preserve the # in the output. Suppress the warning if lang_asm.
2355 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2357 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2358 * configure: Rebuilt.
2360 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2362 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2364 2000-05-10 Kazu Hirata <kazu@hxi.com>
2366 * combine.c (try_combine): Fix a typo.
2368 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2370 * config/ia64/ia64.md (insv): Add comment.
2372 2000-05-10 Richard Henderson <rth@cygnus.com>
2374 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2375 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2376 dependancies on FPBIT and DPBIT.
2378 2000-05-10 Nick Clifton <nickc@redhat.com>
2380 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2381 when optimising for size.
2382 (mark_used_regs:) Ditto.
2383 (try_pre_increment_1): Ditto.
2385 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2387 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2388 Make error message friendlier.
2390 * cpphash.h (struct hashnode): Use struct hack for name
2392 * cpphash.c (struct hashdummy): New.
2393 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2394 (make_HASHNODE): No need to set ->name pointer. Correct
2396 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2398 2000-05-10 Richard Henderson <rth@cygnus.com>
2400 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2403 2000-05-10 Bruce Korb <bkorb@gnu.org>
2405 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2407 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2409 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2410 after we enter .debug.
2412 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2414 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2415 abstract instance of a nested inline function.
2417 * stor-layout.c (finish_record_layout): finalize_type_size
2418 before laying out the pending_statics.
2420 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2422 * cpplex.c (spell_token): New function.
2423 (spell_string, spell_comment, spell_name): fold into
2426 (E, H): Remove macros.
2427 (save_comment): Save comment opening characters too.
2428 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2430 * cpplib.h (I, S): Add macros.
2431 (E, H): Remove macros.
2432 (TTYPE_TABLE): Update entries for new speller.
2433 (SYNTAX_ASSERT): Remove.
2435 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2437 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2438 when removing escaped newlines. Reverse sense of test for
2441 2000-05-09 Richard Henderson <rth@cygnus.com>
2443 * flow.c (find_basic_blocks_1): Do not delete the first
2444 bb_note we run across.
2445 (create_basic_block): Use reorder_insns to move an existing
2446 bb_note to the correct place.
2448 2000-05-09 Richard Henderson <rth@cygnus.com>
2450 * calls.c (expand_call): Increment currently_expanding_call
2451 before calling optimize_tail_recursion.
2453 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2455 * reload1.c (reload_combine): Fix errors in last change.
2457 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2459 * gcc.c (used_arg): Skip over a semicolon at the end of the
2460 split-up loop; don't break out of it.
2462 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2463 (tree.o): Depend on output.h.
2465 * c-decl.c (pending_invalid_xref_file,
2466 current_function_prototype_file): Constify.
2467 (pushdecl): Constify a local char *.
2468 (define_label): Constify filename parameter.
2469 * c-lex.c (init_parse): Constify parameter and return value.
2470 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2471 * c-tree.h: Update prototypes.
2472 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2473 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2474 objc/objc-parse.c: Regenerate.
2476 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2477 * dwarfout.h: Update prototypes.
2478 * expr.c (expand_expr): Constify a local char *.
2479 * flags.h: Constify main_input_filename.
2480 * function.c (expand_function_end): Constify filename parameter.
2481 * genrecog.c (make_insn_sequence): Use a character array for
2483 (main): Remove unused variables.
2484 * input.h: Constify input_filename, main_input_filename, and
2485 file_stack.name. Update prototypes.
2486 * output.h: Declare first_global_object_name and
2487 weak_global_object_name here, as const char *.
2488 * stmt.c (expand_asm_operands): Constify filename parameter.
2489 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2490 Constify filename parameter.
2491 (input_filename, main_input_filename): Constify.
2492 * toplev.h: Update prototypes.
2493 * tree.c: Include output.h. Don't declare
2494 first_global_object_name or weak_global_object_name. Clean up string
2495 bashing in get_file_function_name_long.
2496 * tree.h (struct tree_decl): Constify filename member.
2497 (input_filename): Constify.
2499 * varasm.c (first_global_object_name, weak_global_object_name):
2501 (assemble_start_function, assemble_variable): Clean up string bashing.
2503 * gcc.c: Constify all spec-related strings initialized,
2504 transitively, from string constants. Constify all strings
2505 and string variables related to multilibs.
2506 (set_spec, read_specs): Cast argument to free to PTR.
2507 (used_arg): Do not modify multilib_matches. Use strncmp plus
2508 length comparison to compare multilib switches.
2509 * genmultilib: Constify everything declared in multilib.h.
2511 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2513 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2516 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2518 * config/avr/avr-protos.h (extra_constraint): change a type of
2519 second argument from char to int to avoid warnings.
2520 (asm_output_byte): Likewise.
2522 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2523 (initial_elimination_offset): Handle elimination from
2524 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2525 (legitimate_address_p): Use MAX_LD_OFFSET.
2526 (legitimize_address): Likewise.
2527 (out_movqi_r_mr): Likewise.
2528 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2529 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2530 (out_movsi_mr_r): Likewise.
2531 (out_movqi_mr_r): Likewise.
2532 (out_movhi_mr_r): Likewise.
2533 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2534 count as CONST_INT != 6.
2535 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2536 shift count is a CONSTANT_P, but not a CONST_INT.
2537 (ashlhi3_out): Coding style modifications.
2538 (ashlsi3_out): Likewise.
2539 (ashrhi3_out): Likewise.
2540 (ashrsi3_out): Likewise.
2541 (lshrhi3_out): Likewise.
2542 (lshrsi3_out): Likewise.
2543 (ashrqi3_out): Generate shift for any known constant count without
2544 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2545 but not a CONST_INT.
2546 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2547 shift count is a CONSTANT_P, but not a CONST_INT.
2548 (extra_constraint): change a type of
2549 second argument from char to int to avoid warnings.
2550 (asm_output_byte): Likewise.
2551 (asm_file_end): Output size generated commands count as a hex
2554 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2556 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2558 (ashlqi3): Values of "length" attribute changed. Shift count
2559 uses constraints 'n' instead of 'i'.
2560 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2561 shifts without clobber register.
2562 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2563 (call_insn): Correct test for which_alternative == 1 (was 0).
2564 (call_value_insn): Likewise.
2566 * config/avr/t-avr: Remove definition of FLOAT while generates
2569 2000-05-09 Bruce Korb <bkorb@gnu.org>
2571 * fixinc/check.tpl: Template for checking fixes
2572 * fixinc/inclhack.def: Added 'test_text' for many fixes
2573 disable hpux8_bogus_inlines on SCO
2574 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2576 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2578 * calls.c (expand_call): Reorganize somewhat in order
2579 to avoid unnecesary recalculation inside loop and make
2580 tail call failure code cleaner.
2582 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2584 * alias.c (nonlocal_reference_p): Minor reformatting.
2585 * reload.c (find_equiv_reg): Simplify logic for
2586 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2587 some some reformatting.
2588 * reload1.c (reload_combine): Don't assume everything in
2589 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2591 2000-05-08 Richard Henderson <rth@cygnus.com>
2593 * final.c (current_insn_predicate): New.
2594 (final_scan_insn): Set it.
2595 * output.h (current_insn_predicate): Declare.
2597 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2598 Attach it to call insns.
2599 (cond_exec_process_if_block): Track probability for true and
2601 (dead_or_predicable): Likewise.
2603 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2604 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2605 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2606 (estimate_probability, expected_value_to_br_prob): Use them.
2608 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2609 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2610 (ia64_expand_prediction): New.
2611 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2612 as needed after calls.
2613 (ia64_epilogue_uses): Mark b0 used.
2614 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2615 (bne_true, bne_false): Remove.
2616 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2617 (br_true, br_false): New. Use predicate_operator and
2618 ia64_expand_prediction.
2619 (return_true, return_false): Likewise.
2620 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2621 (call_internal1, call_value_internal): Likewise.
2622 (call_value_internal1, call_multiple_values_internal1): Likewise.
2624 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2626 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2628 2000-05-08 Richard Henderson <rth@cygnus.com>
2630 * rtlanal.c (may_trap_p): Consider old-style and volatile
2633 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2635 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2637 2000-05-08 Richard Henderson <rth@cygnus.com>
2639 * config/ia64/ia64.h (predicate_operator): Declare.
2641 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2644 * gensupport.c (process_rtx): Copy and post-process each member
2645 of the define_insn rtvec individually.
2647 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2649 * cpplex.c (spell_token): New function.
2650 (TOKEN_LEN): Add 1 for whitespace.
2651 (_cpp_lex_file): Update to use spell_token.
2652 * cpplib.h (E): Remove.
2653 (TTYPE_TABLE): Update CPP_VSPACE entry.
2655 2000-05-08 Richard Henderson <rth@cygnus.com>
2657 * flow.c (init_propagate_block_info): Watch out for conditional
2658 branch to next instruction, and thus one outgoing edge.
2660 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2661 for global register variables; don't special case __[CD]TOR_LIST__;
2662 mind ggc_p for string allocation.
2664 2000-05-08 Nick Clifton <nickc@cygnus.com>
2666 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2668 2000-05-08 Bruce Korb <bkorb@gnu.org>
2670 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2671 i?86-*-msdosdjgpp* no longer uses fixincludes
2672 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2673 * fixinc/inclhack.sh: deleted
2674 * fixinc/hackshell.tpl: deleted
2675 * fixinc/inclhack.tpl: deleted
2676 * fixinc/Makefile.in: Remove dependencies on above
2677 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2679 2000-05-08 Andreas Jaeger <aj@suse.de>
2681 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2684 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2686 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2689 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2691 * cpplex.c: Move new lexer definitions and prototypes
2692 to top. Conditional include these and the code if
2693 NEW_LEXER is defined. Rename functions whose names
2694 clash if this code included.
2696 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2698 * rtl.def (COND_EXEC): Clarify.
2700 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2701 same fashion as zero_extendsidi2.
2703 2000-05-06 Richard Henderson <rth@cygnus.com>
2705 * config/ia64/ia64.c (predicate_operator): New.
2706 (ia64_print_operand): Handle 'J'.
2707 (rtx_needs_barrier): Handle COND_EXEC.
2708 * config/ia64/ia64.h (BRANCH_COST): Define.
2709 (PREDICATE_CODES): Update.
2710 * config/ia64/ia64.md: Docuement used unspec values.
2711 (attr predicable): New.
2712 (movxf, movxf_internal): New.
2713 (extendsfdf2): Don't comment out nop.
2714 (floatdidf2): Remove.
2715 (truncxfsf2, truncxfdf2, floatdixf2): New.
2716 (abssi2, absdi2): Put the neg in the "true" slot.
2717 (conditional branch instructions): Mark not predicable.
2718 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2719 (abs*_internal): Likewise.
2720 (alloc, set_bsp): Mark not predicable.
2721 (barrier, insn_group_barrier, flush_cache): Likewise.
2722 (define_cond_exec): New.
2724 2000-05-06 Richard Henderson <rth@cygnus.com>
2726 * c-decl.c: Include "tm_p.h".
2728 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2729 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2730 (ia64_expand_op_and_fetch): Declare.
2731 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2732 (setjmp_operand): Constify variables for XSTR.
2733 (ia64_encode_section_info): Likewise.
2734 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2736 (ia64_asm_output_external): Constify name.
2737 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2738 (process_for_unwind_directive): Provide switch default.
2739 (ia64_expand_compare_and_swap): Remove unused variables.
2740 (ia64_expand_builtin): Likewise.
2741 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2744 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2745 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2746 (shift_count_operand, shift_32bit_count_operand): Likewise.
2747 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2748 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2749 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2750 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2751 (ia64_expand_builtin): Likewise.
2752 (call_multiple_values_operation): Make dest_regno unsigned.
2754 2000-05-06 Richard Henderson <rth@cygnus.com>
2756 * rtl.def (DEFINE_COND_EXEC): New.
2757 * md.texi: Document it.
2759 * gensupport.c (input_file): Remove.
2760 (struct queue_elem): Add lineno.
2761 (rtx_ready_queue): Remove.
2763 (predicable_default): New.
2764 (predicable_true, predicable_false): New.
2765 (define_attr_queue, define_attr_tail): New.
2766 (define_insn_queue, define_insn_tail): New.
2767 (define_cond_exec_queue, define_cond_exec_tail): New.
2768 (other_queue, other_tail): New.
2769 (queue_pattern): New.
2770 (process_rtx): Add patterns to the appropriate queues.
2771 (is_predicable, identify_predicable_attribute): New.
2772 (n_alternatives, collect_insn_data): New.
2773 (alter_predicate_for_insn, alter_test_for_insn): New.
2774 (shift_output_template, alter_output_for_insn): New.
2775 (process_one_cond_exec, process_define_cond_exec): New.
2776 (init_md_reader): Read the entire file. Process define_cond_exec.
2777 (read_md_rtx): Return elements from the queues.
2779 2000-05-06 Richard Henderson <rth@cygnus.com>
2781 * flow.c (mark_set_1): Don't update conditional life info
2782 if the register is not_dead.
2784 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2786 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2787 (mostlyclean): Also delete fixincl, fixinc.sh, and
2788 specs.ready, and make clean in the fixinc subdir.
2790 2000-05-06 Richard Henderson <rth@cygnus.com>
2792 * Makefile.in (gensupport.o): Compile for the host.
2793 (host-prefix gensuuprt.o): Remove.
2794 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2795 (genattrtab.o): Likewise.
2796 (gencodes.o): Depend on gensupport.h.
2797 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2798 (genpeep.o, genattr.o, genoutput.o): Likewise.
2800 * gensupport.c (obstack, rtl_obstack): New.
2801 (init_md_reader): Initialize rtl_obstack.
2802 * gensupport.h (rtl_obstack): Declare.
2803 (message_with_line): Declare.
2805 * genattr.c: Remove all traces of obstack manipulation.
2806 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2807 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2809 * genattrtab.c (obstack, rtl_obstack): Remove.
2810 (main): Don't init rtl_obstack.
2811 * genflags.c: Likewise.
2813 * genrecog.c (message_with_line): Move ...
2814 * gensupport.c: ... here.
2816 2000-05-06 Richard Henderson <rth@cygnus.com>
2818 * c-typeck.c (build_c_cast): Remove dead code.
2820 2000-05-06 Richard Henderson <rth@cygnus.com>
2822 * flow.c (split_edge): Don't allocate global_live_at_start for
2823 the new block unless the old blocks had them as well.
2825 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2827 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2828 test_bb if a or b uses x.
2830 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2832 * cpphash.h: Remove conditional #define of __extension__.
2833 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2834 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2835 (ENABLE_RTL_CHECKING only).
2836 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2837 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2838 (ENABLE_TREE_CHECKING only).
2839 * varray.h: Add __extension__ to VARRAY_CHECK macro
2840 (ENABLE_CHECKING only).
2842 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2844 Use new tail-calling mechanism on ARM.
2845 * arm.md (sibcall, sibcall_value): New expands.
2846 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2847 (tailcalling peepholes): Delete.
2848 (push_multi): Simplify.
2849 * arm.c (lr_save_eliminated): Delete definition.
2850 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2851 (output_return_instruction): Remove checks on lr_save_eliminated.
2852 (output_arm_prologue): Remove old tail-calling code.
2853 (arm_output_epilogue): New parameter, really_return. All callers
2854 changed. Handle tail-calling epilogues.
2855 * arm.h (lr_save_eliminated): Delete declaration.
2856 (frame_pointer_needed): Delete declaration.
2857 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2859 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2861 * arm.c (thumb_code): Define it.
2862 (arm_override_options): Set it.
2863 * arm.h (thumb_code): Declare it.
2865 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2867 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2869 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2871 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2872 bogus clobber to insns.
2873 (load_multiple_operation, store_mulitple_operation): Don't check
2875 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2877 * arm.md (and_scc, ior_scc): Add missing mode.
2879 * arm.md (call_value_symbol): Remove predicate from op2.
2881 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2883 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2885 * expr.c (get_subtarget): New function.
2886 (force_operand, expand_expr, do_store_flag): Use it.
2888 * toplev.c (compile_file): Don't take strlen of NAME if null.
2890 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2892 * xcoffout.c (xcoff_current_include_file,
2893 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2894 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2896 (xcoffout_declare_function): Make name 'const char *'.
2897 (xcoffout_end_epilogue): Make fname 'const char *'
2898 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2899 xcoffout_declare_function, xcoffout_source_line): Match above.
2901 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2903 * rs6000.c (print_operand): Fix lossage typo.
2904 (output_cbranch): Remove "cr" decoration for now.
2905 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2907 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2909 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2912 2000-05-05 Bruce Korb <bkorb@gnu.org>
2914 * fixinc/genfixes: Improve the matching for make target names
2916 2000-05-05 Catherine Moore <clm@cygnus.com>
2918 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2919 attribute to the decl.
2920 * c-decl.c (pushdecl): Propagate the USED attribute to the
2923 2000-05-05 Richard Henderson <rth@cygnus.com>
2925 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2926 same way emit_group_load does.
2928 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2930 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2932 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2935 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2937 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2939 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2941 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2942 to support -shared, on platforms with dynamic libraries.
2944 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2946 * system.h (S_ISBLK): Provide fallback definition.
2948 2000-05-05 Geoff Berry <geoffb@bops.com>
2950 * extend.texi (Extended Asm): Document inability to give asm
2951 statements access to condition codes.
2953 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2955 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2956 as arg 2 of UNIQUE_SECTION.
2958 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2960 * predict.c: Remove May 4 change.
2961 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2962 if we have predicted the branch at 50-50 probability.
2964 2000-05-05 Richard Henderson <rth@cygnus.com>
2966 * flow.c (init_propagate_block_info): Fix merge error
2967 in HAVE_conditional_execution code.
2969 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2971 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2972 shift cycle for unknown shift count. Also generates dec + brpl.
2973 (ashlqi3_out): Don't generate dec + brpl which now generates by
2974 `out_shift_with_cnt'.
2975 (ashlhi3_out): Likewise.
2976 (ashlsi3_out): Likewise.
2977 (ashrqi3_out): Likewise.
2978 (ashrhi3_out): Likewise.
2979 (ashrsi3_out): Likewise.
2980 (lshrqi3_out): Likewise.
2981 (lshrhi3_out): Likewise.
2982 (lshrsi3_out): Likewise.
2984 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2986 * gcc.c (free_split_directories): Correct typo in explanation
2987 of make_relative_prefix.
2989 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2991 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2992 comparison codes to branch_comparison_operator.
2994 2000-05-04 Richard Henderson <rth@cygnus.com>
2996 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2998 2000-05-04 Richard Henderson <rth@cygnus.com>
3000 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
3001 (DPBIT_FUNCS): Remove _sf_to_usi.
3002 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
3004 * ifcvt.c (noce_process_if_block): Fail if A or B modified
3005 between condition and jump.
3007 * libgcc2.c (near eh_context_specific): Comment #endif string.
3008 * longlong.h: Don't use strings with embedded newlines.
3010 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3012 * config/rs6000/rs6000-protos.h: Add output_cbranch.
3013 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
3014 (print_operand): Delete %t and %T codes.
3015 (output_cbranch): New function. Support branch prediction.
3016 * config/rs6000/rs6000.md: Use output_cbranch for
3017 conditional branches and returns.
3019 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
3021 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
3022 * stor-layout.c (place_field): Likewise.
3023 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
3024 * expr.c (store_expr): Make align unsigned.
3025 * explow.c (plus_constant_wide): Make low words unsigned.
3026 * expmed.c (choose_multiplier): Likewise.
3027 * fold-const.c (fold): Likewise.
3028 * tree.h (build_int_2): Likewise.
3029 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
3030 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
3031 (init_emit): Change cast to unsigned char*.
3032 * varasm.c (compare_constant_1): Add cast to char*.
3033 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
3034 * reload1.c (reload): Likewise.
3036 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
3038 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
3040 * predict.c (estimate_probability): If no prediction was found, then
3041 predict the successor that is the next physical block (if such a
3044 2000-05-04 Richard Henderson <rth@cygnus.com>
3046 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3048 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3050 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3052 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3054 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3055 attribute macros from here ...
3056 (CPP_SPEC): to here.
3057 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3058 (CPP_SPEC): Likewise.
3059 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3061 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3062 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3064 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3066 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3068 * diagnostic (vbuild_message_string, build_message_string,
3069 build_location_prefix, output_get_prefix, init_output_buffer,
3070 output_notice, vline_wrapper_message_with_location,
3071 v_message_with_decl, default_print_error_function): De-constify.
3072 (set_real_maximum_length): Prototype.
3074 * diagnostic.h (struct output_buffer, init_output_buffer,
3075 output_get_prefix, output_set_prefix): De-constify.
3077 * function.c (init_function_start): Constify.
3079 * gensupport.c (remove_constraints, process_rtx): Prototype.
3081 * gthr-posix.h: Indent uses of #pragma.
3083 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3086 * predict.c (find_expected_value): Delete prototype.
3087 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3089 * sbitmap.h (debug_sbitmap): Prototype.
3091 * ssa.c (compute_coalesced_reg_partition): Prototype.
3093 * stor-layout.c (debug_rli): Prototype.
3095 * tree.h (round_down): Prototype.
3096 (init_function_start): Constify.
3098 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3100 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3101 (overly conservative). Change extern inline wrappers to
3102 static inline, define them always, use PARAMS properly.
3103 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3104 whitespace warnings for \f and \v at the beginning of a line.
3106 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3108 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3111 2000-05-04 Bruce Korb <bkorb@gnu.org>
3113 * fixincl/inclhack.def: added broken_cabs -
3114 Remove `extern double cabs' declarations from math.h
3115 * fixincl/inclhack.sh: regen
3116 * fixincl/fixincl.x: regen
3117 * fixincl/fixincl.c: Remove BOGOSITY code
3118 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3120 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3122 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3124 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3125 when calling MEM_COPY_ATTRIBUTES.
3126 * emit-rtl.c (operand_subword, change_address): Likewise.
3127 * explow.c (stabilize): Likewise.
3128 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3129 * integrate.c (copy_rtx_and_substitute): Likewise.
3130 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3131 when calling MEM_COPY_ATTRIBUTES.
3132 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3134 * cse.c (gen_lowpart_if_possible): Likewise.
3135 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3136 * optabs.c (gen_move_insn): Likewise.
3137 * recog.c (validate_replace_rtx_1): Likewise.
3138 * simplify-rtx.c (add_mem_for_addr): Likewise.
3139 * stmt.c (expand_anon_union_decl): Likewise.
3140 * config/arm/arm.md: Likewise.
3141 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3142 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3143 (block_move_no_loop, block_move_sequence): Likewise.
3144 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3145 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3146 Clear MEM_ALIAS_SET.
3147 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3148 MEM_COPY_ATTRIBUTES.
3150 2000-05-03 Robert Lipe <robertlipe@usa.net>
3152 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3153 to suppress libgcc1.
3154 (i[34567]86-*-sco3.2v5*) Likewise.
3155 (i[34567]86-*-sco3.2v4*) Likewise.
3156 (i[34567]86-*-sco) Likewise.
3157 (i[34567]86-*-solaris2) Likewise.
3158 (i[34567]86-*-sysv5*) Likewise.
3159 (i[34567]86-*-sysv4*) Likewise.
3160 (i[34567]86-*-udk*) Likewise.
3161 (i[34567]86-*-sysv*) Likewise.
3163 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3165 * cpphash.h (U): New define, to correct type of string constants.
3166 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3167 routines, to do casts when passing unsigned strings to libc.
3168 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3170 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3171 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3172 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3173 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3174 second argument an U_CHAR *.
3176 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3177 length field, clean up initializer.
3178 (ISTABLE): Add __extension__ to designated-
3179 initializers version.
3180 * cpplex.c (CHARTAB): Likewise.
3182 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3183 case so the file won't be empty.
3185 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3187 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3188 (REORDER_BLOCK_SUCC): Removed.
3189 (enum reorder_skip_type): Removed.
3190 (skip_insns_between_block): Renamed to skip_insns_after_block.
3191 Removed second argument. Removed dead code and cleaned up.
3192 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3193 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3194 second parameter to skip_insns_after_block.
3196 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3198 * tree.c (staticp, case LABEL_DECL): New case.
3200 2000-05-03 Richard Henderson <rth@cygnus.com>
3202 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3204 * mklibgcc1.in: Fix typo last change.
3206 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3208 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3209 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3210 (GCC_CFLAGS): Use it.
3211 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3212 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3213 objc/Make-lang.in: Use it.
3215 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3217 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3219 2000-05-03 Richard Henderson <rth@cygnus.com>
3221 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3222 LIBGCC1 empty with libgcc1.null.
3224 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3226 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3229 2000-05-03 Greg McGary <gkm@gnu.org>
3231 * tree.h (tree_common): Add bounded_flag member. Remove
3232 inaccurate comment about number of remaining bits.
3233 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3234 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3235 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3236 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3237 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3238 (TYPE_QUAL_BOUNDED): New constant.
3239 (TYPE_QUALS): Handle bounded qualifier.
3240 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3241 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3242 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3243 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3244 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3245 (tree_type): Add pointer_depth member. Remove
3246 inaccurate comment about number of remaining bits.
3247 (DECL_POINTER_DEPTH): Add macro.
3248 (tree_decl): Add pointer_depth member.
3250 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3252 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3253 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3254 (lshrhi3_out): Likewise.
3255 (ashrsi3_out): bugfix in shift by 8.
3256 (test_hard_reg_class): New function.
3257 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3258 (ashlhi3): removed define_expand of this pattern.
3259 (*ashlhi3_insn): renamed to ashlhi3.
3260 (ashlsi3): removed define_expand of this pattern.
3261 (*ashlsi3_insn): renamed to ashlsi3.
3262 (ashrqi3): removed define_expand of this pattern.
3263 (*ashrqi3_insn): renamed to ashrqi3.
3264 (ashrhi3): removed define_expand of this pattern.
3265 (*ashrhi3_insn): renamed to ashrhi3.
3266 (ashrsi3): removed define_expand of this pattern.
3267 (*ashrsi3_insn): renamed to ashrsi3.
3268 (lshrhi3): removed define_expand of this pattern.
3269 (*lshrhi3_insn): renamed to lshrhi3.
3270 (lshrsi3): removed define_expand of this pattern.
3271 (*lshrsi3_insn): renamed to lshrsi3.
3273 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3275 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3276 inclusion of "system.h".
3278 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3280 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3283 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3285 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3286 if -mauto-pic is on.
3287 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3288 -mconstant-gp is in effect and function-descriptors are being used
3289 to make indirect calls.
3290 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3291 (MASK_AUTO_PIC): Ditto.
3292 (TARGET_CONST_GP): Ditto.
3293 (TARGET_AUTO_PIC): Ditto.
3294 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3295 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3296 -mno-pic is in effect.
3297 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3298 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3299 -mauto-pic is in effect.
3300 (gprel64_offset): New pattern.
3301 (load_gprel64): Ditto.
3302 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3303 -mconstant-gp is in effect, no need to preserve gp around direct
3305 (call_value): Ditto.
3306 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3307 (FUNCTION_PROFILER): Define.
3308 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3309 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3310 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3312 2000-05-03 Richard Henderson <rth@cygnus.com>
3314 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3315 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3316 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3317 (mklibgcc, libgcc.mk): New targets.
3318 (libgcc.a): Use libgcc.mk.
3319 (stmp-multilib): Likewise.
3320 (stmp-multilib-sub): Remove.
3321 (mostlyclean): Don't delete libgcc2 temp files.
3322 * configure.in (AC_PROG_CC_C_O): Add.
3323 (NO_MINUS_C_MINUS_O): Substitute it.
3324 (all_outputs): Add mklibgcc.
3325 * mklibgcc.in: New file.
3327 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3329 * cppexp.c (op_t): Make an int.
3331 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3333 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3335 * gensupport.c (process_rtx): Fix macros used.
3337 2000-05-03 Richard Henderson <rth@cygnus.com>
3339 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3340 call-clobbered registers of a call.
3342 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3344 * gensupport.c: New file.
3345 * gensupport.h: New file.
3346 * Makefile.in (HOST_RTL): Depend on gensupport.
3347 (gensupport.o) New rule.
3348 * genattr.c: Use gensupport for reading .md files.
3349 * genattrtab.c: Ditto.
3350 * gencodes.c: Ditto.
3351 * genconfig.c: Ditto.
3353 * genextract.c: Ditto.
3354 * genflags.c: Ditto.
3355 * genopinit.c: Ditto.
3356 * genoutput.c: Ditto.
3358 * genrecog.c: Ditto.
3359 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3360 * md.texi (Insn Splitting): Document define_insn_and_split.
3362 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3364 * flow.c (verify_flow_info): Added two more sanity checks. The
3365 first checks that the blocks are numbered consecutively. The second
3366 checks that n_basic_blocks is actually equal to the number of
3367 basic blocks in the insn chain.
3369 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3371 * cpplib.h: Add accessor macros for token lists.
3372 * cpplib.c, cpphash.c, cpplex.c: Use them.
3374 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3376 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3377 memory usage if not in a function.
3378 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3379 return address if static.
3381 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3383 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3384 whether address may trap.
3386 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3388 * bb-reorder (chain_reorder_blocks): Changed code to test for
3389 EDGE_FALLTHRU rather than making erroneous assumption that the
3390 first outgoing edge is the fall-through edge.
3392 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3394 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3395 ABI for varargs, across all MIPS. This is incompatible because the
3396 va_list (__builtin_va_list) structure is different, so a compilation
3397 unit passing a va_list and a compilation unit being passed one, should
3398 both be compiled with the same ABI. (The old structure had two
3399 pointers, now it has three.)
3401 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3403 * bb-reorder.c (struct reorder_block_def): Remove members end,
3404 block_begin, and block_end.
3405 (REORDER_BLOCK_OLD_END): Delete.
3406 (REORDER_BLOCK_BEGIN): Delete.
3407 (REORDER_BLOCK_END): Delete.
3408 (chain_reorder_blocks): Remove dead code.
3410 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3412 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3413 notes as the end of a basic block before deleting.
3415 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3417 * final.c (final_start_function): Fix spelling of "necessary".
3419 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3421 * toplev.c (debug_ignore_block): Return int.
3422 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3423 * toplev.h, dwarf2out.h: Adjust.
3424 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3426 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3427 * toplev.c, final.c, rtl.h: Adjust.
3429 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3431 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3432 * configure.in: Look for makeinfo in the unified tree, then
3433 for a system makeinfo which is sufficiently new.
3434 * Makefile.in: If configure says makeinfo is too old, don't
3435 build or install Info documentation.
3437 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3439 * cpphash.c (collect_params): Fix off-by-one error.
3440 (dump_hash_helper): Dump all four macro nodetypes.
3442 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3444 * cpphash.c (trad_stringify): Adjust p after stringification as
3447 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3449 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3450 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3452 * cppfiles.c (file_cleanup): Delete.
3453 * cpphash.c (macro_cleanup): Delete.
3454 (collect_objlike_expansion, collect_funlike_expansion,
3455 macarg, scan_arguments): Remove CPP_POP case.
3457 * cpplex.c (null_cleanup): Delete.
3458 (cpp_pop_buffer): Do the work that was done in the cleanups
3459 here. Call _cpp_unwind_if_stack from here.
3460 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3461 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3462 stack is the buffer _below_ the one we stacked.
3463 (cpp_get_token): Always pop an exhausted buffer. Return
3464 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3465 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3466 increment the line number.
3467 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3469 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3470 we see CPP_EOF and the top of stack is the buffer _below_ the
3472 * scan-decls.c: Likewise.
3474 2000-05-02 Andrew Haley <aph@cygnus.com>
3476 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3477 where this function is called for the second time on a decl that
3478 has had its section info changed in such a way as to move it out
3480 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3482 2000-05-01 Richard Henderson <rth@cygnus.com>
3484 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3485 the sequence we're moving, not to merge_bb->head.
3487 2000-05-01 Richard Henderson <rth@cygnus.com>
3489 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3490 reference to alpha/t-linux.
3491 (alpha*-*-linux-gnu*): Likewise.
3492 * configure: Rebuild.
3494 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3496 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3499 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3501 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3503 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3506 2000-05-01 Richard Henderson <rth@cygnus.com>
3508 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3509 emit_conditional_move.
3511 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3513 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3514 as the dynamic linker.
3516 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3518 * cppfiles.c (open_include_file): Open file in blocking mode.
3519 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3520 Only exclude block devices and directories.
3522 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3523 static. Allocate the hashnode and its string in the same
3525 (del_HASHNODE): Don't free h->name.
3526 (_cpp_lookup): If there is no entry for this string, create
3527 one, of type T_VOID.
3528 (_cpp_lookup_slot): Delete.
3529 * cpphash.h: Update prototypes.
3531 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3533 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3534 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3535 node here, just fill in the value field properly. "Delete"
3536 entries by setting the value field to T_VOID. Check for
3537 hp->type == T_VOID, not hp == NULL.
3539 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3540 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3543 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3545 * config/mn10300/mn10300.c (print_operand_address): Do not add
3548 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3549 adjusted by less than 256 bytes, use ret regardless of having any
3550 callee-saved register to restore.
3552 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3554 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3556 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3558 * config/i386/djgpp.h (INT_ASM_OP): Define.
3559 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3560 (ASM_WEAKEN_LABEL): Define.
3561 (MASK_BNU210): Define.
3562 (SUBTARGET_SWITCHES): Define.
3563 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3564 (MAKE_DECL_ONE_ONLY): Define.
3565 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3567 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3569 * i386/cygwin.h (INT_ASM_OP): Define.
3571 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3573 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3574 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3576 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3578 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3579 __tmp_reg__ and __zero_reg__ initialization.
3581 2000-04-30 Richard Henderson <rth@cygnus.com>
3583 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3585 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3586 referenced bewteen the condition and the jump. Don't delete
3587 anything but the jump.
3589 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3591 * bb-reorder.c (scope_def): New struct.
3592 (scope_forest_info): New struct.
3593 (struct reorder_block_def): New member "scope".
3594 (REORDER_BLOCK_SCOPE): New macro.
3595 (relate_bbs_with_scopes): New function and prototype.
3596 (make_new_scope): Likewise.
3597 (build_scope_forest): Likewise.
3598 (remove_scope_notes): Likewise.
3599 (insert_intra_1): Likewise.
3600 (insert_intra_bb_scope_notes): Likewise.
3601 (insert_inter_bb_scope_notes): Likewise.
3602 (rebuild_scope_notes): Likewise.
3603 (free_scope_forest_1): Likewise.
3604 (free_scope_forest): Likewise.
3605 (dump_scope_forest): Likewise.
3606 (dump_scope_forest_1): Likewise.
3607 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3608 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3610 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3611 and remove_scope_notes before reordering is done. Added calls to
3612 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3613 after reordering is done.
3615 2000-40-30 Bruce Korb <bkorb@gnu.org>
3617 * fixinc/inclhack.def: Added definitions needed by OSR5,
3618 removed two stale entries (defined away with OLD_CPP).
3619 * fixinc/inclhack.sh: regen
3620 * fixinc/fixincl.x: regen
3622 2000-04-30 Richard Henderson <rth@cygnus.com>
3624 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3625 from the last insn in the sequence.
3627 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3629 * cpplex.c (cpp_idcmp): New function.
3630 * cpplib.h: Prototype it.
3631 * scan_decls.c (scan_decls): Use it to inspect token names.
3632 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3633 the file being run through the preprocessor.
3634 (check_macro_names): Provide length of token to cpp_defined.
3636 * Makefile.in: Remove stale warning message.
3638 * cppfiles.c (redundant_include_p): Provide length of token to
3640 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3641 values are unsigned int.
3642 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3643 (_cpp_lookup_slot): Do not calculate the hash, either.
3644 * cpphash.h: Update prototypes.
3645 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3646 Hashes are unsigned int. Calculate hash here, pass by value
3647 to _cpp_lookup_slot.
3649 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3651 * simplify-rtx.c (check_value_useless): Delete function.
3652 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3654 (cselib_invalidate_regno): Likewise.
3655 (cselib_invalidate_mem_1): Likewise.
3656 (references_value_p): Recognize useless values by the fact that they
3658 (discard_useless_values): Likewise.
3659 (cselib_record_set): This may turn a useless value
3662 2000-04-30 Richard Henderson <rth@cygnus.com>
3664 * config/d30v: New port.
3666 * configure.in (d30v-*): Set fp format.
3667 * configure: Rebuild.
3669 2000-04-30 Richard Henderson <rth@cygnus.com>
3671 * ifcvt.c: New file.
3672 * Makefile.in (OBJS): Add it.
3673 (ifcvt.o): New target.
3674 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3675 and conditional arithmetic.
3676 (find_insert_position): Remove.
3677 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3678 * toplev.c (DFI_ce, DFI_ce2): New.
3679 (dump_file): Add ce and ce2 dumps.
3680 (rest_of_compilation): Run if_convert a couple o times. Set
3681 cse_not_expected after cse2. Don't set no_new_pseudos until
3682 after sched1 or recompute_reg_usage.
3684 2000-04-30 Richard Henderson <rth@cygnus.com>
3686 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3687 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3689 2000-04-30 Richard Henderson <rth@cygnus.com>
3691 * flow.c (struct reg_cond_life_info): New.
3692 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3693 (init_propagate_block_info): Initialize them.
3694 (free_propagate_block_info): Destruct them.
3695 (mark_set_1): Consider conditional life before killing a register.
3696 (mark_regno_cond_dead): New.
3697 (free_reg_cond_life_info): New.
3698 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3699 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3700 (mark_used_reg): Record conditional life.
3702 * haifa-sched.c (schedule_insns): Disable death counting
3703 sanity check for HAVE_conditional_execution.
3705 2000-04-30 Richard Henderson <rth@cygnus.com>
3707 * Makefile.in (TIMEVAR_H): New.
3708 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3709 (timevar.h): Remove rule.
3711 2000-04-29 Richard Henderson <rth@cygnus.com>
3713 * config/alpha/crtend.asm: Use C comments instead of #.
3714 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3716 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3718 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3720 * cpphash.h (enum node_type: Take out T_MCONST.
3721 (union hashval): Move into struct hashnode.
3722 (struct hashnode): Pack tighter. Remove file, line, col
3724 * cpphash.c: Constify most of the macro-definition structures.
3725 (struct definition): Replace by struct object_defn
3726 and struct funct_defn. Put file, line, column information
3727 here. All users updated to match.
3728 (_cpp_create_definition, _cpp_macroexpand): Remove special
3729 case for #define WORD OTHERWORD.
3730 * cpplib.c (do_undef): Remove T_MCONST case.
3732 * cpphash.h: Move struct reflist, struct definition, and the
3733 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3734 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3735 * cpphash.c (_cpp_free_definition): Free data pointed to by
3736 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3737 (_cpp_create_definition, del_HASHNODE): Just call
3738 _cpp_free_definition to clear out a hashnode.
3739 * cpplib.c (do_pragma_poison): Likewise.
3741 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3743 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3744 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3745 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3746 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3747 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3748 REGNO_AM33_P): Redefine in terms of the new macros.
3749 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3750 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3751 STRUCT_VALUE): Likewise.
3752 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3753 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3755 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3757 * regmove.c (struct record_stack_memrefs_data): New.
3758 (record_stack_memrefs): New function.
3759 (combine_stack_adjustments_for_block): Use it.
3761 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3763 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3764 use special_function_p to detect alloca.
3766 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3768 * gcc.texi: Fixes for makeinfo 4.0 --html.
3770 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3772 * pcp.h: Delete file.
3774 2000-04-28 Kazu Hirata <kazu@hxi.com>
3776 * h8300.c (function_epilogue): Clean up flags when the last insn
3777 in a function is a barrier.
3779 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3781 * configure.in (sparc-hal-solaris2*): protect [] glob from
3783 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3784 rather than hard-coded constants in target_cpu_default2.
3785 * configure: Regenerate.
3787 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3789 * tree.c (get_callee_fndecl): Extract the initial value from
3792 2000-04-28 Richard Henderson <rth@cygnus.com>
3794 * varasm.c (record_constant_1): Record the CODE_LABEL when
3795 taking the address of a LABEL_REF.
3797 2000-04-28 Richard Henderson <rth@cygnus.com>
3798 Jan Hubicka <jh@suse.cz>
3800 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3801 adjustment; don't do the stack adjust.
3802 (expand_call): Call compute_argument_block_size right before
3803 allocating the block; update comment; don't do alignment sanity
3804 checking for sibling call; use args_size instead of
3805 unadjusted_args_size before args_size is adjusted. Use
3806 combine_pending_stack_adjustment_and_call to compute stack adjust
3807 for must_preallocate case.
3809 * expr.c (push_block): Remove shadow `temp' in inner scope.
3811 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3813 * toplev.c (rest_of_compilation): Call
3814 note_deferral_of_defined_inline_function even if the function
3817 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3819 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3821 2000-04-28 Richard Henderson <rth@cygnus.com>
3823 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3825 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3827 * timevar.c (init_timevar): DeANSIfy function definition.
3829 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3831 * Makefile.in (timevar.o): Depend on flags.h.
3832 * timevar.c (unused_stack_instances): New variable.
3833 (timevar_push): Take a timevar_stack_def from
3834 unused_stack_instances if available.
3835 (timevar_pop): Push the popped timevar_stack_def onto
3836 unused_stack_instances.
3837 (TIMEVAR_ENABLE): New macro.
3838 (timevar_def): Make standalone a 1-bit field. Add field used.
3839 (get_time): Rename parameter to now. Return after clearing it if
3841 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3842 (timevar_pop): Likewise.
3843 (timevar_stop): Likewise.
3844 (timevar_push): Likewise. Mark the timing variable as used.
3845 (timevar_start): Likewise.
3846 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3847 timevars that were never used.
3849 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3851 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3852 always TREE_READONLY.
3854 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3856 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3857 for call instruction with mode QImode.
3859 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3861 * Makefile.in (OBJS): Add timevar.o.
3862 (toplev.o): Depend on timevar.h.
3863 (ggc-simple.o): Likewise.
3864 (ggc-page.o): Likewise.
3865 (timevar.o): New rule.
3866 (timevar.h): New rule.
3868 * timevar.h: New file.
3869 * timevar.c: Likewise.
3870 * timevar.def: Likewise.
3872 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3873 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3875 (TIMEVAR): Remove macro.
3876 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3877 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3878 flow_time, combine_time, regmove_time, sched_time,
3879 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3880 sched2_time, dbr_sched_time, reorder_blocks_time,
3881 rename_registers_time, shorten_branch_time, stack_reg_time,
3882 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3884 (compile_file): Don't initialize time variables. Call
3885 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3886 of many calls to print_time.
3887 (rest_of_compilation): Add timing for reload_cse_regs.
3888 (get_run_time): Removed to timevar.c.
3889 (print_time): Likewise.
3890 (get_run_time): Implement using TV_TOTAL time variable.
3891 (print_time): Get total run time from get_run_time.
3892 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3893 computing elapsed time explicitly.
3894 * ggc-simple.c (ggc_collect): Likewise.
3895 (gc_time): Remove declaration.
3897 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3899 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3900 (expand_call): Use it.
3902 2000-04-27 Jan Hubicka <jh@suse.cz>
3904 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3907 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3909 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3912 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3914 * function.c (epilogue_done): Pass whole insn to record_insns.
3916 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3918 * cse.c (CSE_ADDRESS_COST): Remove.
3919 (find_best_addr): Add new parameter "MODE", use address_cost instead
3921 (address_cost): New.
3922 (fold_rtx): Update call of find_best_addr.
3923 * rtl.h (address_cost): Declare.
3924 * loop.c (general_induction_var): Add new parameter "MODE", use
3925 address_cost instead of ADDRESS_COST
3926 (init_loop): Use address_cost instead of ADDRESS_COST.
3927 (check_insn_for_givs): Update call of general_induction_var.
3928 (find_mem_givs): Likewise.
3929 (consec_sets_giv): Likewise.
3930 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3931 * i386.c (ix86_address_cost): New.
3932 * i386-protos.h (ix86_address_cost): Declare.
3934 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3936 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3939 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3941 * expr.c (store_expr): Use clear_storage instead of direct memset
3944 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3946 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3947 ASHIFT, AND and LABEL_REF.
3949 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3951 * invoke.texi (-foptimize-sibling-calls): Fix.
3953 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3955 * loop.c (load_mems) Don't use hard registers for the hoisting.
3957 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3958 calculation; rename const_equiv array in the preconditioning code
3959 from loop_unroll to loop_unroll_precondition
3961 2000-04-27 Richard Henderson <rth@cygnus.com>
3963 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3965 (propagate_one_insn): Clear it. Don't update reg_live here.
3966 (init_propagate_block_info): Update for pbi member changes.
3967 (free_propagate_block_info): Likewise.
3968 (mark_set_1): Know that zero_extract, sign_extract, and
3969 strict_low_part don't kill their argument. Alter hard subregs.
3970 Update new_set for non-CLOBBER sets. Update reg_live.
3971 (find_auto_inc): Update reg_live, not new_dead.
3972 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3973 to determine if the reg in question was set this insn. Only update
3974 reg info with PROP_REG_INFO.
3976 2000-04-26 Richard Henderson <rth@cygnus.com>
3978 * flow.c (allocate_reg_life_data): Set max_regno here ...
3979 (life_analysis): ... not here.
3981 * flow.c (calculate_global_regs_live): Force stack pointer
3984 2000-04-26 Richard Henderson <rth@cygnus.com>
3986 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3987 commit change group changes.
3988 (invert_exp_1): Similarly.
3989 (redirect_exp, invert_exp): Use them.
3990 (redirect_jump_1): New.
3991 (invert_jump_1): New.
3992 (jump_optimize_1): Remove code subsumed by condexec.c.
3993 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3995 2000-04-26 Richard Henderson <rth@cygnus.com>
3997 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3999 * genconfig.c (main): Set all HAVE_foo to 1.
4001 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
4003 2000-04-26 Alex Samuel <samuel@codesourcery.com>
4005 * invoke.texi: Document -fssa flag.
4007 2000-04-26 Richard Henderson <rth@cygnus.com>
4009 * flow.c (count_reg_sets_1): Remove.
4010 (count_reg_sets, count_reg_references): Remove.
4011 (recompute_reg_usage): Implement with update_life_info.
4012 Reallocate life data.
4014 2000-04-26 Richard Henderson <rth@cygnus.com>
4016 * flow.c (update_life_info): Consider blocks null to mean the
4018 (calculate_global_regs_live): Likewise.
4019 (life_analysis): Do that instead of collecting all_blocks.
4021 2000-04-26 Richard Henderson <rth@cygnus.com>
4023 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
4024 a still-valid conditional jump.
4026 2000-04-26 Richard Henderson <rth@cygnus.com>
4028 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
4030 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
4031 * flow.c (calculate_loop_depth): Remove.
4032 * output.h (calculate_loop_depth): Don't declare.
4033 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
4034 inline; run estimate_probability at the same time.
4036 2000-04-26 Neil Booth <NeilB@earthling.net>
4038 * cpplib.h: "~=" is not a single pp-token.
4039 * cpplex.c: Correct commentary.
4041 2000-04-26 Richard Henderson <rth@cygnus.com>
4043 * flow.c (mark_set_1): New arguments code and flags; update all
4044 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4045 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4046 loop_depth when optimizing for size. Do new_dead update after
4047 emitting REG_UNUSED notes. Merge mark_set_reg code.
4048 (mark_set_reg): Remove.
4049 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4050 arrange to not emit REG_UNUSED notes.
4052 2000-04-26 Richard Henderson <rth@cygnus.com>
4054 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4055 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4057 2000-04-26 Richard Henderson <rth@cygnus.com>
4059 * flow.c (propagate_one_insn): Break out from propagate_block.
4060 (init_propagate_block_info): Likewise.
4061 (free_propagate_block_info): Likewise.
4062 (propagate_block): Use them. Export.
4063 * basic-block.h: Declare them all.
4065 2000-04-26 Richard Henderson <rth@cygnus.com>
4067 * basic-block.h (life_analysis): Declare here ...
4068 * output.h: ... not here.
4069 * flow.c (life_analysis): Remove nregs parameter; replace
4070 remove_dead_code with flags. Remove ssa dead code check.
4071 Only init alias analysis if we'll use it.
4072 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4073 * ssa.c (convert_to_ssa): Likewise.
4074 (convert_from_ssa): Likewise.
4075 * toplev.c (rest_of_compilation): Likewise.
4077 2000-04-26 Richard Henderson <rth@cygnus.com>
4079 * flow.c (flow_delete_block): Rename from delete_block. Export.
4080 * basic-block.h (flow_delete_block): Declare.
4082 2000-04-26 David S. Miller <davem@redhat.com>
4084 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4085 taking a PATTERN of it.
4087 2000-04-26 <NeilB@earthling.net>
4089 * cpplex.c (spell_other, spell_char): Remove.
4091 (token_spelling, trigraph_map): Use unsigned chars.
4092 (_cpp_lex_line): Tidy up the switch statement.
4093 * cpplib.h: Implement spell_char with spell_string.
4096 2000-04-26 <RodneyBrown@pmsc.com>
4098 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4099 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4101 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4103 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4104 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4105 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4106 dwarf2out_return_save, dwarf2out_return_reg,
4107 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4108 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4109 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4111 * dwarf2out.h (dwarf2out_init): Likewise.
4113 * dwarfout.c (filename_entry, primary_filename, last_filename,
4114 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4116 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4117 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4118 dwarf2out_return_reg): Likewise.
4120 2000-04-26 Andreas Jaeger <aj@suse.de>
4122 * extend.texi (Function Attributes): Fix description of pure
4125 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4127 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4128 before calling rest_of_compilation.
4130 2000-04-26 Andreas Jaeger <aj@suse.de>
4132 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4135 2000-04-25 Richard Henderson <rth@cygnus.com>
4137 * cse.c (cse_insn): Emit barrier after unconditional jump.
4139 * calls.c (expand_call): Disable tail call generation once
4140 rtx_equal_function_value_matters is false.
4142 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4145 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4147 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4149 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4151 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4152 is the primary DIE for a member function.
4153 (gen_decl_die): Call set_decl_origin_self here.
4154 * dwarfout.c (output_decl): And here.
4155 * integrate.c (output_inline_function): Not here.
4156 Don't clear DECL_INLINE until after calling rest_of_compilation.
4157 (set_decl_origin_self): No longer static.
4158 * tree.h: Add prototype.
4159 * toplev.c (note_deferral_of_defined_inline_function): Only write
4160 out abstract instance for actual inlines.
4162 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4164 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4165 EXTENDED_REGS only if TARGET_AM33.
4166 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4167 SP_REGS to register allocation and reloading unless absolutely
4169 (movsi3): Remove special-case of adding non-constants to SP.
4171 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4173 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4174 INCLUDES to search and does not provide any of its own. Also it
4175 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4176 parameters. Also it does not call AC_DEFINE.
4177 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4178 AC_DEFINE and provides for automatic entries for autoheader.
4179 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4181 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4182 so we can pass -I flags and include gansidecl.h/system.h in this
4185 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4187 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4189 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4190 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4191 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4193 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4194 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4195 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4196 for these macros. Clean up spacing and linewraps.
4198 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4200 * calls.c (expand_call): Use get_callee_fndecl.
4202 * print-tree.c (print_node): Print the chain of an _EXPR.
4204 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4205 Jim Wilson <wilson@cygnus.com>
4206 Andrew Haley <aph@cygnus.com>
4208 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4209 and gp save/restore problems.
4210 * config/ia64/crtend.asm: Add IA-64 unwind support.
4211 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4212 in fr_pad_size calculation.
4213 (save_restore_insns): Move PR save area. Correct uses of
4214 RTX_FRAME_RELATED_P.
4215 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4216 (ia64_expand_epilogue): Add eh_epilogue support.
4217 (ia64_function_prologue): Emit .prologue directive.
4218 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4219 (ia64_override_options): Set init_machine_status and
4220 mark_machine_status.
4221 (rtx_needs_barrier): Handle bsp reads and writes.
4222 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4223 New static variables.
4224 (process_set, process_for_unwind_directive): New functions.
4225 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4226 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4227 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4229 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4230 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4231 (struct machine_function): Define.
4232 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4234 2000-04-25 Bruce Korb <bkorb@gnu.org>
4236 * fixinc/Makefile.in: make the removal of old programs more
4238 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4239 install-bin and install-sh
4241 2000-04-25 Nick Clifton <nickc@cygnus.com>
4243 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4244 defined, define to return zero.
4245 (function_cannot_inline_p): If a function has any target
4246 specific attributes, then use the macro
4247 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4248 whether it can be inlined. If it cannot, issue a suitable
4251 * tm.texi: Add a new node 'Inlining' to document the new macro
4252 FUNCTION_ATTRIBUTE_INLINABLE_P.
4254 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4256 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4259 2000-04-25 Neil Booth <NeilB@earthling.net>
4261 Restore previous patch, plus the following fixes:
4263 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4264 flags, not CPP_OPEN_PAREN.
4265 * cpplex.c (expand_token_space, init_token_list,
4266 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4267 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4269 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4271 * config/i386/freebsd.h (INT_ASM_OP): Define.
4273 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4275 * loop.c (strength_reduce): Fix typo in the last checkin.
4277 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4279 * stor-layout.c (finalize_record_size): Simplify to use existing
4281 (compute_record_mode): No longer static.
4282 * tree.h (compute_record_mode): New declaration.
4284 2000-04-25 Neil Booth <NeilB@earthling.net>
4286 * Revert my patch below until cause of build failures
4289 2000-04-25 Richard Henderson <rth@cygnus.com>
4291 * combine.c (combine_instructions): Add missing argument
4294 * toplev.c (rest_of_compilation): Delay sibcall optimization
4295 until after emit_eh_context.
4297 2000-04-24 Nick Clifton <nickc@redhat.com>
4299 * combine.c (combine_instructions): Do not try to combine a
4300 sequence of insns when the second insn has been replaced by a
4303 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4305 * gcc.c (load_specs): New static function.
4306 (read_specs): Use it.
4308 * gcc.c (lookup_compiler): Make multiple passes for case
4309 insensitive filesystems.
4311 2000-04-24 Neil Booth <NeilB@earthling.net>
4313 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4314 * cpphash.h (_cpp_check_directive): new.
4315 * cpplex.c (handle_newline, cpp_free_token_list,
4316 init_trigraph_map, trigraph_ok, trigraph_replace,
4317 backslash_start, skip_block_comment, skip_line_comment,
4318 skip_whitespace, parse_name, parse_number, parse_string,
4319 copy_comment, _cpp_lex_line, spell_char, spell_string,
4320 spell_comment, spell_name, spell_other, _cpp_lex_file,
4321 _cpp_output_list): new.
4322 (expand_name_space): take length argument.
4323 (init_token_list): add comment list initialisation.
4324 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4325 instead of HSPACE_BEFORE.
4327 * cpplib.c (_cpp_check_directive): new
4328 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4329 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4330 (HSPACE_BEFORE): delete.
4331 (TTYPE_TABLE): rearrange.
4332 (struct cpp_toklist): update.
4334 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4336 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4337 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4338 argument form of AC_DEFINE.
4340 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4341 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4342 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4343 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4344 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4346 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4348 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4350 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4351 deduced.h): Use -isystem, not -I, for including system headers.
4353 2000-04-24 Nick Clifton <nickc@cygnus.com>
4355 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4356 the source register is the frame pointer or arg pointer.
4357 (addsi3_small_int): Disallow if source register is the frame
4358 pointer or arg pointer.
4360 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4362 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4363 call to AC_MSG_RESULT.
4365 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4367 * invoke.texi: Correct grammatical errors, document
4368 -fno-gnu-keywords as identical to -fno-asm for C++.
4370 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4372 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4373 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4374 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4375 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4376 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4378 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4379 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4380 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4381 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4384 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4386 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4387 (pop_alignment): Likewise.
4388 (handle_pragma_token): Likewise.
4390 2000-04-24 Robert Lipe <robertlipe@usa.net>
4392 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4394 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4396 * combine.c (try_combine): Update reg_nonzero_bits of
4397 newi2pat before newpat.
4399 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4401 * loop.c (strength_reduce): Simplify test to INSN_P.
4402 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4403 expressions instead of CONST_INT.
4404 (express_from_1): Likewise.
4406 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4408 * regs.h (reg_n_max): Don't declare.
4409 * flow.c (reg_n_max): Don't define.
4410 * regclass.c (renumber): Don't initialize to zero.
4411 (regno_allocated): Likewise.
4412 (reg_n_max): Define.
4413 (allocate_reg_info): Don't initialize unnecessarily.
4415 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4417 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4418 and blockage_p in the newly allocated attribute.
4420 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4422 * config/mn10300/mn10300.md (addsi): `inc4' on address
4423 registers does not modify cc, but `inc' on an extended
4426 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4428 * reload.c (find_equiv_reg): Checks all valueno regs
4429 as a reload_reg_p regs.
4431 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4433 * cpphash.c (collect_objlike_expansion): Add sanity check.
4434 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4435 the buffer is the empty string, return. Mark __DATE__ and
4436 __TIME__ as XCONST nodes, not MCONST.
4437 (_cpp_macroexpand): Avoid pushing an empty buffer.
4438 (funlike_macroexpand): Don't pop token_buffer here.
4440 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4442 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4443 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4444 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4445 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4446 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4447 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4448 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4450 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4452 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4455 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4457 * cpphash.h (struct definition): Move file, line, col members...
4458 (struct hashnode): ... here. Also add 'disabled' flag.
4459 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4460 T_IDENTITY. Remove T_DISABLED.
4463 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4464 (collect_expansion): Split into collect_objlike_expansion and
4465 collect_funlike_expansion.
4466 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4467 funlike_macroexpand.
4468 (_cpp_compare_defs): Rename compare_defs, make static.
4469 (_cpp_make_hashnode): Initialize hp->disabled.
4470 (macro_cleanup): Adjust for new token types. Clear
4472 (_cpp_create_definition): Move code here to determine what
4473 sort of macro it is, and code to check for redefinitions, from
4474 do_define. Implement a few simple cases without creating a
4476 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4477 Handle the simple cases.
4478 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4481 * cppinit.c (builtin_array): Change MCONST to XCONST
4483 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4484 fix check for disabled and function-like macros.
4485 * cpplib.c (do_define): Move most logic to
4486 _cpp_create_definition.
4487 (do_undef): Handle new special token types.
4489 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4491 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4492 of CONSTANT_P for mult_val; always use validate_change to update insn.
4494 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4496 * cpphash.c (trad_stringify, add_pat): New functions.
4497 (collect_expansion): Restore support for -traditional syntax.
4498 Use trad_stringify and add_pat.
4499 (_cpp_macroexpand): Restore support for -traditional semantics.
4500 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4501 get a COMMENT token.
4502 (_cpp_lex_token): Provide COMMENT tokens to caller if
4503 traditional and parsing_define_directive.
4504 (skip_comment): Warn about // comments if -Wtraditional.
4505 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4507 (do_undef): Don't warn about undefining EMPTY nodes.
4509 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4511 * loop.c (strength_reduce): Fix biv removal code.
4513 2000-04-22 Richard Henderson <rth@cygnus.com>
4515 * predict.c (estimate_probability): Examine both sides of
4516 a branch for no exits. Use 90% not 50% for predict taken.
4517 Reorg for one copy of note generation code.
4519 2000-04-22 Richard Henderson <rth@cygnus.com>
4521 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4523 2000-04-22 Richard Henderson <rth@cygnus.com>
4525 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4526 (output_clear): Likewise.
4527 (output_printf): Use va_copy.
4528 (vline_wrapper_message_with_location): Likewise.
4529 (v_message_with_decl): Likewise.
4530 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4531 * system.h (va_copy): Provide default implementation.
4533 2000-04-22 Richard Henderson <rth@cygnus.com>
4535 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4536 the collected condition is not a constant.
4538 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4540 * diagnostic.h: New file.
4542 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4544 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4545 various function prototypes.
4546 (diagnostic.h): #include.
4547 (struct output_buffer): Move into diagnostic.h.
4548 (get_output_prefix): Rename to output_get_prefix. Export.
4549 (init_output_buffer): Export. Break out. Ajust intialization.
4550 (output_space_left, output_append): Export.
4551 (output_newline): Rename to output_add_newline. Export.
4552 (output_clear): Nullify additional output_buffer fields.
4553 (output_puts): Rename to output_add_string. Export.
4554 (dump_output): Rename to output_flush_on. Export.
4555 (build_location_prefix): Constify return-type.
4556 (emit_output_prefix): Rename to output_emit_prefix. Export.
4557 (set_real_maximum_length): New function.
4558 (output_set_maximum_length): Ditto
4559 (output_clear): Ditto.
4560 (output_add_character): Ditto.
4561 (output_add_integer): Ditto.
4562 (output_add_space): Ditto.
4563 (output_format): Ditto.
4564 (output_printf): Adjust buffer initialization.
4565 (vline_wrapper_message_with_location): Ditto.
4566 (v_message_with_decl): Ditto. Adjust call to output_puts
4567 and get_output_prefix.
4568 (default_print_error_function): Adjust buffer intialization.
4570 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4572 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4575 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4577 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4580 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4582 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4583 accurate data about SP moves.
4585 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4587 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4588 aliases to AM33 registers.
4590 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4592 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4593 to all EXTENDED bitmaps.
4595 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4597 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4598 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4599 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4601 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4603 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4604 the operand is not constant.
4606 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4608 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4609 as a call-clobbered regs.
4611 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4613 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4615 * rtl.def: Update comment.
4616 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4617 * integrate.c (expand_inline_function): Likewise.
4618 * profile.c (branch_prob): Likewise.
4619 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4620 * print-rtl.c (print_rtx): Likewise.
4621 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4622 (reemit_notes): Likewise; also use enum insn_note.
4624 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4625 (place_field): Properly compute know and actual alignment.
4627 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4630 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4633 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4635 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4636 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4637 (collect_expansion): Rewrite to scan over a token list.
4638 Remove -traditional support.
4639 (collect_formal_parameters): Rename to collect_params; rewrite
4640 to scan over a token list.
4641 (_cpp_create_definition): Adjust to scan a token list.
4642 (_cpp_macroexpand): Remove -traditional support.
4643 (_cpp_compare_defs): Whitespace is now canonicalized.
4644 (comp_def_part): Delete function.
4646 * cpphash.h: Update prototypes.
4647 * cpplex.c (init_token_list): Don't set lineno if there is no
4649 (pedantic_whitespace): New function.
4650 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4651 consume a newline. Use pedantic_whitespace.
4652 (_cpp_lex_token): Remove support for -traditional macros.
4653 (_cpp_get_define_token): Delete.
4654 (_cpp_get_directive_token): Do the real work here. Use
4655 pedantic_whitespace.
4656 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4658 * cpplib.c (get_macro_name): Delete.
4659 (do_define): Read the entire line into pfile->directbuf, then
4660 feed the token list to _cpp_create_definition.
4661 * cpplib.h (HSPACE_BEFORE): new define.
4662 (struct cpp_reader): Add a toklist member, "directbuf".
4664 * predict.c (estimate_probability): New heuristic: if a jump
4665 branches around a block with no successors, predict it taken.
4666 Disentangle control flow.
4668 2000-04-20 Richard Henderson <rth@cygnus.com>
4670 * loop.c (emit_iv_add_mult): Revert last change.
4672 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4674 * cpplib.h (enum cpp_ttype): Add token types for all
4675 punctuators. Distinguish pp-numbers from valid C numbers.
4676 Give some tokens better names. Initialize from macro.
4677 (struct cpp_name, cpp_token, cpp_toklist): New data
4680 * cpplex.c (bump_column, expand_name_space,
4681 expand_token_space, init_token_list, cpp_output_list,
4682 _cpp_scan_line): New functions.
4683 (output_line_command): Add third argument, new line number.
4684 * cpphash.h: Update prototypes.
4685 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4688 2000-04-20 Richard Henderson <rth@cygnus.com>
4690 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4692 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4694 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4697 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4699 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4700 REG_EQUAL note explaining the calculated value.
4702 * calls.c (expand_call): Avoid unnecesary precalculation
4703 and outgoing parameters space guarding for sibling calls.
4704 (store_one_arg): Likewise.
4706 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4708 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4709 (rest_of_compilation): Write sibling dump file and account
4710 for time as jump time.
4711 * invoke.texi: Update documentation on dump flags.
4713 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4715 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4717 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4719 * cpphash.c (special_symbol): Represent an empty macro with
4720 "\r \r " not just "\r ".
4721 (_cpp_macroexpand): Correct condition for the foo ( ) special
4723 (unsafe_chars): Handle EOF as second argument.
4724 (push_macro_expansion): Simplify test for removing escape at
4725 end. Do not trim both escapes if there is no text in between.
4727 2000-04-19 Jim Blandy <jimb@redhat.com>
4729 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4730 of PTR_SIZE, when appropriate.
4732 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4734 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4735 (USE_ENUM_BITFIELDS): Fix typo.
4737 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4739 * stor-layout.c (place_field): Set rli->offset_align properly.
4741 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4743 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4744 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4745 PARM_BOUNDARY): Remove unnecessary casts.
4747 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4749 * calls.c (precompute_arguments): Remove must_preallocate and
4751 (expand_call): Update call of precompute_arguments.
4753 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4754 check_insn_for_givs): Break out from ...
4755 (strength_reduce) ... here; use for_every_insn_in_loop to call
4756 check_insn_for_givs.
4757 * loop.h (for_every_insn_in_loop): Declare.
4758 (loop_insn_callback): New type.
4760 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4762 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4765 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4767 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4770 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4772 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4774 * configure.in: Delete --disable-cpplib option and all
4775 references to cpp_main.
4776 * configure: Regenerate.
4777 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4778 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4779 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4780 cpp$(exeext). Add --no-headers to makeinfo command line when
4781 generating INSTALL. Install and uninstall cpp.1 manpage, not
4783 * install.texi: Delete all references to cexp.y/cexp.c.
4784 Delete ancient instructions for compiling GCC on 3b1.
4785 * INSTALL: Regenerate.
4787 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4788 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4789 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4791 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4792 which is no longer tested anywhere.
4794 * cppinit.c (handle_option): Don't run error message through
4797 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4799 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4800 * cpperror.c (hashtab.h): Now include.
4801 * cppexp.c (hashtab.h): Likewise.
4802 * cpplex.c (hashtab.h): Likewise.
4803 * cppfiles.c (hashtab.h): Likewise.
4804 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4805 to htab_find_slot_with_hash.
4806 * cpphash.c (hashtab.h): Now include.
4807 (_cpp_lookup_slot): INSERT is now enum insert_option.
4808 * cpphash.h (_cpp_lookup_slot): Likewise.
4809 * cppinit.c (hashtab.h): Include earlier.
4810 (initialize_builtins): Pass enum to htab_find_slot.
4811 * cpplib.c (hashtab.h): Now include.
4812 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4813 (do_pragma_poison, do_assert): Likewise.
4814 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4815 htab_find_slot_with_hash.
4816 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4817 * tree.c (type_hash_add): Likewise.
4818 (build1): Minor cleanup.
4820 * ggc-common.c: Add missing blanks.
4821 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4822 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4824 * stmt.c (mark_case_node): New function.
4825 (mark_case_nesting): Call it.
4827 * expmed.c (emit_store_flag): If comparing two-word integer
4828 with zero, can optimize NE, EQ, GE, and LT.
4830 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4831 * conflict.c: Minor cleanups.
4832 * optabs.c: Add blank line
4833 * simplify-rtx.c: Minor cleanups.
4835 2000-04-18 Stan Cox <scox@cygnus.com>
4837 * gengenrtl.c (genlegend): Fix misspelling.
4839 2000-04-18 Robert Lipe <robertlipe@usa.net>
4841 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4842 bitfields of the host compiler are not signed quantities.
4843 * config.in: Regenerate.
4844 * configure: Regenerate.
4845 * system.h (USE_ENUM_BITFIELDS): Added.
4846 (ENUM_BITFIELDS): Added.
4847 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4848 (SHORT_ENUM_BUG): Deleted.
4849 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4851 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4852 (CODE_FIELD_BUG): Likewise.
4853 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4855 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4857 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4859 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4862 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4864 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4865 * cpplib.c (do_include, do_import, do_include_next,
4866 read_line_number, detect_if_not_defined): Likewise.
4867 * cpphash.c (collect_expansion): Likewise.
4868 (special_symbol, _cpp_macroexpand): Check return from
4870 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4871 macros. Delete all uses.
4873 * gcc.dg/cpp-mi.c: Add two more test cases.
4874 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4876 2000-04-17 Richard Henderson <rth@cygnus.com>
4878 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4879 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4881 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4883 * function.c (expand_function_start): Use hard_function_value to
4884 compute the RTL to use for DECL_RESULT.
4886 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4888 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4889 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4890 x86_memory_mismatch_stall): New global variables.
4891 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4892 alloved; fix load penalties for Athlon.
4893 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4894 x86_memory_mismatch_stall): Declare.
4895 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4896 TARGET_MEMORY_MISMATCH_STALL): New.
4897 * i386.md (athlon scheduling parameters): Fix latencies according to
4898 Athlon Optimization Manual.
4899 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4901 (fsqrt instruction patterns): Set athlon_decode to direct.
4902 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4903 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4904 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4905 and TARGET_PARTIAL_REGISTER_STALL machines.
4906 (pushdf_nointeger): New pattern.
4907 (pushdf_integer): Rename from pushdf.
4908 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4909 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4911 2000-04-17 Richard Henderson <rth@cygnus.com>
4913 * loop.c (canonicalize_condition): Add WANT_REG argument.
4914 Stop the search if we match it.
4915 * expr.h (canonicalize_condition): Update decl.
4916 * predict.c (expected_value_to_br_prob): Use it. Track last
4917 expected value note.
4918 (find_expected_value): Remove.
4920 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4922 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4924 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4925 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4927 * configure.in: Call AC_FUNC_MMAP_FILE.
4928 * configure: Regenerate.
4929 * config.in: Regenerate.
4931 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4932 * fixinc/fixincl.c: Likewise.
4934 2000-04-17 Richard Henderson <rth@cygnus.com>
4936 * builtins.c (expand_builtin_expect): New.
4937 (expand_builtin): Call it.
4938 * builtins.def (BUILT_IN_EXPECT): New.
4939 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4940 * extend.texi: Document it.
4942 * predict.c (expected_value_to_br_prob): New.
4943 (find_expected_value): New.
4944 * basic-block.h (expected_value_to_br_prob): Declare.
4945 * toplev.c (rest_of_compilation): Invoke it.
4947 * rtl.h (NOTE_EXPECTED_VALUE): New.
4948 (NOTE_INSN_EXPECTED_VALUE): New.
4949 * rtl.c (note_insn_name): Update.
4950 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4951 cases; handle NOTE_INSN_EXPECTED_VALUE.
4953 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4955 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4956 leaf sibcall delay slot if flag_pic.
4957 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4959 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4961 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4963 * fixproto: If fix-header fails, exit with an error.
4965 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4967 * cse.c (struct check_depdendence_data): New.
4968 (check_dependence): New function.
4969 (invalidate): Use check_depdenence.
4971 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4973 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4974 UNITS_PER_WORD is unsigned.
4976 * tree.h (struct tree_common): Remove misleading comment.
4978 2000-04-16 Dave Pitts <dpitts@cozx.com>
4980 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4981 message in quotes. Otherwise, IBM's make program treats the '#' as the
4982 start of a comment and ignores the remainder of the line.
4984 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4986 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4987 * cexp.y (initialize_random_junk): Likewise.
4988 * cppfiles.c (find_include_file): Cast alloca return value.
4989 * cppinit.c (initialize_standard_includes): Likewise.
4990 * cpplib.c (cpp_define, cpp_undef): Likewise.
4991 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4992 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4993 * fold-const.c (CHARMASK): New.
4994 (real_hex_to_f): Use it.
4995 * real.c (CHARMASK): New.
4996 (etoasc, asctoeg): Use it.
4997 (asctoeg): EBCDIC lower case characters preceed upper case.
4999 * i370.c (mvs_add_label): Change spacing for coding conventions.
5000 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
5001 outputing case vectors.
5002 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
5003 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
5004 since vector in in the data CSECT.
5005 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
5006 * i370.md (Many patterns): Put the length in the XL directives.
5007 (movdi): Put back STM and MVC in definition.
5008 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
5009 pattern using the TCA.
5010 * oe.h (CPP_SPEC): Added to allow trigraphs.
5011 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
5012 not support the "long long" type.
5014 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5016 * config/mips/mips-protos.h (mips_legitimate_address_p): New
5018 (mips_reg_mode_ok_for_base_p): Likewise.
5019 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
5020 (REG_OK_FOR_INDEX_P): Define unconditionally.
5021 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
5022 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
5023 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
5024 that GET_MODE_SIZE is unsigned.
5025 (mips_reg_mode_ok_for_base_p): Define.
5026 (mips_legitimate_address_p): Likewise. Adjust now
5027 that GET_MODE_SIZE is unsigned.
5028 (block_move_loop): Make the number of bytes unsigned.
5029 (expand_block_move): Likewise.
5030 (function_arg): Make the loop counter unsigned to match the
5033 2000-04-16 Richard Henderson <rth@cygnus.com>
5035 * rtl.h (enum insn_note): New enumeration. Subsume
5036 NOTE_INSN_DELETED and friends.
5037 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
5038 * rtl.c (note_insn_name): Tweak string order.
5040 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5042 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5045 * cpplex.c (output_line_command): Remove debugging prints.
5046 (cpp_output_tokens): Don't write out a zero-length buffer or
5047 try to see if it has a newline in it.
5048 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5049 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5050 the end of the loop. Use memmove. Don't read past the end of
5051 the buffer. Remove trailing newlines from error messages.
5053 2004-04-16 Neil Booth <NeilB@earthling.net>
5055 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5056 * cpplib.c: Add new syntax flags to directive table, and
5059 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5061 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5064 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5066 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5067 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5069 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5071 * Makefile.in (ggc-page.o): Now includes toplev.h.
5072 * ggc-page.c (toplev.h): Now included.
5073 (gc_time): Remove declaration.
5074 (ggc_collect): TIME now long.
5075 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5077 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5079 * toplev.c: Make *_time variable long to reduce chance of overflow.
5080 (TIMEVAR): Likewise for `otime'.
5081 (print_time): Arg is now long; compute percentage in FP and round.
5082 * toplev.h (print_time): Arg is long.
5084 * tree.c: Minor whitespace changes.
5086 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5087 * configure: Rebuilt.
5088 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5089 (__fixunsxfDI): Renamed from __fixunsxfdi.
5090 (__fixunsdfDI): Renamed from __fixunsdfdi.
5091 (__fixunssfDI): Renamed from __fixunssfdi.
5092 (__floatdisf): Use proper type in REP_BIT macro.
5093 (__fixunsxfSI): Renamed from __fixunsxfsi.
5094 (__fixunsdfSI): Renamed from __fixunsdfsi.
5095 (__fixunssfSI): Renamed from __fixunssfsi.
5096 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5097 Change location of macros and upper-case some names as above.
5098 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5099 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5101 * varasm.c (assemble_variable): Add cast to remove warning.
5102 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5104 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5105 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5106 region number to -1.
5108 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5110 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5111 call unshare_all_rtl.
5113 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5115 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5117 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5118 Use .s1 not .s0 for all FP instructions.
5120 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5122 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5124 (safe_fwrite, output_line_command): New static functions.
5125 (cpp_expand_to_buffer): Now private to cpplib.
5126 (cpp_scan_buffer): Take a printer.
5128 * cpphash.h: Update prototypes.
5129 * cpplib.h: Update prototypes.
5131 (cpp_buffer): Remove last_nominal_fname.
5132 (cpp_reader): Remove lineno.
5134 * cppmain.c: Use a cpp_printer.
5135 * fix-header.c: No need to inhibit line commands. Call
5136 cpp_start_read with no printer.
5138 * cpperror.c (cpp_notice_from_errno): Provide default name.
5139 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5140 (find_include_file, cpp_read_file): Use make_IHASH.
5141 (file_cleanup): Set control_macro and clear
5142 input_stack_listing_current here.
5143 (_cpp_execute_include): Don't output entering-file marker.
5144 * cpphash.c (special_symbol): Look for the line number in the
5145 buffer, not the reader.
5146 (_cpp_macroexpand): No need to disable line commands.
5147 (_cpp_dump_definition): No need to generate line commands.
5148 (dump_hash_helper): Remove excess newline from output.
5149 * cppinit.c (dump_special_to_buffer): No need to generate line
5151 (cpp_printer_init): New.
5152 (cpp_start_read): Take a printer, and start it up if it's not
5153 NULL. No need to generate line commands.
5154 (cpp_finish): Expect no buffers stacked at all. Take a
5155 printer argument, and flush the output buffer if it's not
5157 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5158 Don't put two hashes at the beginning of an assertion.
5159 (cpp_get_token): Don't increment pfile->lineno or emit line
5160 commands here. Return EOF if there's no buffer when we get
5162 * cpplib.c (do_define, skip_if_group):
5163 No need to disable line commands.
5164 (_cpp_output_line_command): Delete function.
5165 (do_line): Don't emit line commands here, but set things up so
5166 they will be emitted if necessary. Use _cpp_fake_ihash to
5167 make unique nominal_fnames if necessary.
5168 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5169 with 0 for column, not -1.
5170 (_cpp_handle_eof): Don't set the control macro here. Don't
5171 clear input_stack_listing_current here. Don't emit line
5174 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5176 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5177 always, use the default SVR4 start address.
5179 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5180 (LINK_SHLIB_SPEC): Define.
5181 (LINK_START_DEFAULT_SPEC): Define.
5182 (LINK_OS_DEFAULT_SPEC): Define.
5184 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5186 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5187 __do_global_ctors to handle constructors.
5188 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5189 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5190 (STARTFILE_MVME_SPEC): Likewise.
5191 (STARTFILE_SIM_SPEC): Likewise.
5192 (ENDFILE_ADS_SPEC): Use crtend.
5193 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5194 (ENDFILE_MVME_SPEC): Likewise.
5195 (ENDFILE_SIM_SPEC): Likewise.
5196 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5197 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5198 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5199 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5200 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5201 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5202 (CRTSTUFF_T_CFLAGS_S): Define.
5203 * config/rs6000/eabi-ctors.c: Delete.
5205 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5208 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5212 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5214 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5215 plus mask size is smaller or equal to the mode size.
5217 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5219 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5222 * expr.c (reload.h): Now included.
5223 (emit_block_move): Set volatile_ok when checking for movstr.
5224 (emit_move_1): Check for replacements in addresses in multi-word case.
5225 * Makefile.in (expr.o): Now includes reload.h.
5227 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5228 Never have a LIBCALL end a basic block.
5229 (find_basic_blocks_1): Likewise.
5230 Reorganize CALL_INSN cases.
5232 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5234 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5236 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5237 completers from mov.ret instruction.
5239 2000-04-14 Richard Henderson <rth@cygnus.com>
5241 * fold-const.c (extract_muldiv): Don't distribute and widen
5242 multiply across plus for non-sizetype unsigned types.
5244 2000-04-14 Richard Henderson <rth@cygnus.com>
5246 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5247 If the original source is dead in the incr insn, it's dead now.
5249 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5251 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5252 see if DECL_BIT_FIELD needs to still be set.
5254 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5256 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5257 print_int_cst_octal with something that's not an INTEGER_CST.
5259 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5260 and not a SUBREG to a FLOAT rtl.
5262 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5264 * emit-rtl.c (try_split): Avoid infinite loop if the split
5265 results in a sequence that contains the original insn.
5267 2000-04-13 Andreas Jaeger <aj@suse.de>
5269 * config/mips/mips.c (expand_block_move): Pass alignment
5270 argument to move_by_pieces in bits, not bytes.
5272 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5273 __pic__ for little endian.
5275 2000-04-13 Andreas Jaeger <aj@suse.de>
5277 * config/i386/i386-protos.h: Add prototype for
5278 uno_comparison_operator.
5280 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5282 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5283 * calls.c (ECF_PURE): New flag.
5284 (emit_call_1): Handle ECF_PURE calls.
5285 (initialize_argument_information): Unset ECF_PURE flag too.
5286 (precompute_arguments): Precompute for ECF_PURE too.
5287 (expand_call): Handle ECF_PURE calls too.
5288 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5289 accept value of 2 as pure function.
5290 (emit_library_call_value, emit_library_call): Rename no_queue argument
5292 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5294 * tree.h (DECL_IS_PURE): New macro.
5295 (struct tree_decl): Add pure_flag.
5296 * c-common.c (enum attrs): Add attribute "pure".
5297 (init_attributes): Initialize attribute "pure"
5298 (decl_attributes): Handle attribute "pure".
5299 * extend.texi (Attribute "pure"): Document.
5300 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5302 (flags_from_decl_or_type): Support attribute "pure".
5304 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5306 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5307 the token except for numbers and identifiers.
5309 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5311 * i386.c (ix86_expand_binary_operator,
5312 ix86_expand_unary_operator): Check no_new_pseudos
5313 instead of reload_in_progress and reload_completed.
5314 (ix86_split_ashldi, ix86_split_ashrdi,
5315 ix86_split_lshrdi): Check no_new_pseudos instead
5316 of reload_completed.
5318 2000-04-12 Jeffrey A Law (law@cygnus.com)
5320 * function.c (purge_addressof): Unshare any shared rtl created by
5321 purge_addressof and its children.
5323 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5325 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5328 2000-04-05 Andreas Jaeger <aj@suse.de>
5330 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5331 not compiling PIC code, add flags for mabi=64.
5332 (SUBTARGET_CPP_SIZE_SPEC): New.
5333 (SUBTARGET_CPP_SPEC): New.
5334 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5335 for MIPS/Linux and lots of code needs these defines.
5337 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5339 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5340 trying the "opposite arithmetic" approach.
5342 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5344 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5345 (struct sh_args): Add new field force_mem.
5346 (INIT_CUMULATIVE_ARGS): Initialize it.
5347 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5349 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5351 * calls.c (expand_call): Do not reverse args in "equal from" field.
5352 (emit_library_call_value_1): Emit_libcall_block for const and pure
5355 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5357 * reload1.c (reload_combine): Don't enable optimization for fixed
5358 registers when encountering a BARRIER.
5360 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5362 * builtins.c (expand_builtin_memcmp): Do expansion even with
5363 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5365 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5366 stack is propertly aligned; add sanity checking for aligned
5368 (expand_library_call_value_1): Add sanity checking for aligned
5371 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5373 * calls.c (emit_library_call_value_1): Change 3rd arg to
5374 locate_and_pad_parm to disregard the setting of partial.
5376 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5378 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5380 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5381 CALL_INSN from the normal case.
5383 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5385 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5386 New global variables.
5387 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5389 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5391 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5392 TARGET_ADD_ESP_8): New macros.
5393 * i386.md: Add peep2s to convert esp adjustments to push and pop
5395 (pushsi_prologue, popsi_epilogue): New patterns.
5397 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5399 * real.c (toe64): Remove stale #endif from the last change.
5401 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5403 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5404 * real.c (toe64): Revert previous change.
5406 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5408 * objc/objc-act.c: Include ggc.h.
5409 (objc_tree_index, objc_global_trees): Convert most of the
5410 static tree variables into a static array with previous names
5412 (objc_ellipsis_node): New variable.
5413 (lang_init): Call objc_act_parse_init and c_parse_init.
5414 Create objc_ellipsis_node.
5415 (build_selector_translation_table): Use objc_ellipsis_node instead
5417 (hack_method_prototype): Likewise.
5418 (get_arg_type_list): Likewise.
5419 (start_method_def): Likewise.
5420 (continue_method_def): Likewise.
5421 (gen_method_decl): Likewise.
5422 (ggc_mark_imp_list): New function.
5423 (ggc_mark_hash_table): New function.
5424 (objc_act_parse_init): New function.
5425 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5426 * c-parse.in (c_parse_init): For objc add roots of objc specific
5427 local tree variables.
5428 * objc/objc-parse.y: Rebuilt.
5429 * objc/objc-parse.c: Rebuilt.
5430 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5432 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5434 * cse.c (delete_trivially_dead_insns): Also delete insns
5435 that copy a register to itself where the destination is
5438 2000-04-11 Richard Henderson <rth@cygnus.com>
5440 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5441 (propagate_block): Initialize them. Use them in parallel instead
5442 of one tmp variable, ie revert much of the 0408 and 0407 functional
5443 changes, but keep the structural changes.
5444 (mark_set_regs): Take new_dead from propagate_block_info instead.
5445 (mark_set_1, mark_set_reg): Likewise.
5446 (mark_used_regs): Likewise with new_live.
5447 (mark_used_reg): Likewise. Revert 0408 change.
5449 2000-04-11 Nick Clifton <nickc@cygnus.com>
5451 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5453 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5455 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5457 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5458 const section to output a CONSTRUCTOR based on the same conditions
5461 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5463 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5464 * pa/pa-protos.h (output_call): Add additional argument indicating
5465 if the call is a sibling/tail call.
5466 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5467 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5468 (function_arg, function_arg_partial_nregs): Likewise
5469 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5470 (emit_move_sequence): Zero extend certain constants as needed
5472 (compute_zdepdi_operands, output_64bit_and): New functions.
5473 (output_64bit_ior, function_arg): Likewise.
5474 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5475 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5476 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5477 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5478 (output_bvb): Likewise.
5479 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5480 (output_call): New argument 'sibcall'. Generate sibcall sequences
5482 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5483 (ouput_arg_descriptor): Do not emit argument descriptors for
5485 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5487 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5488 (FUNCTION_OK_FOR_SIBALL): Define.
5489 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5490 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5491 (CPP_SPEC): Use new spec infrastructure.
5492 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5493 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5494 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5495 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5496 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5497 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5498 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5499 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5500 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5501 (FUNCTION_ARG); Call out to C code.
5502 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5503 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5504 (MIN_UNITS_PER_WORD): Likewise.
5505 * pa/pa.md (cmpdi): New expander.
5506 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5507 (64bit conditional arithmetic): New patterns.
5508 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5509 (movsicc): Not available if modes on all the operands to not match.
5510 (movdicc): New expander and associated patterns.
5511 (64bit branches): New patterns.
5512 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5513 (pre_ldd, post_std): New patterns.
5514 (64bit addil, load low part): New patterns.
5515 (special movsf constant): Not available for TARGET_64BIT.
5516 (movsf, movdf expanders): Force constants into memory.
5517 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5518 (64bit movdf/movdi patterns): New patterns.
5519 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5521 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5522 (adddi3 expander): Allow "arith_operand" for second input.
5523 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5524 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5525 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5526 (muldi3): New expander for TARGET_64BIT.
5527 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5529 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5530 patterns for TARGET_64BIT.
5531 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5532 patterns for TARGET_64BIT.
5533 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5534 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5535 (sibcall_epilogue): New expander.
5536 (casesi): Tweak for TARGET_64BIT.
5537 (call expanders): Set & use the outgoing argument pointer. Use the
5538 64bit call patterns as needed. Add additional arg to output_call.
5539 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5540 (sibcall, sibcall_internal_symref): New expanders.
5541 (sibcall_value, sibcall_value_internal_symref
5542 (interspace_jump): Turn into an expander + matching patterns.
5543 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5544 * pa/pa64-regs.h: Eliminate trigraph sequences.
5545 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5547 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5549 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5550 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5551 cpp_token with cpp_ttype everywhere.
5552 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5553 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5554 CPP_BUF_COL. Line and column numbers are unsigned int, not
5556 * cpplex.c (cpp_buf_line_and_col): Delete.
5557 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5558 'long lineno' to 'unsigned int lineno'.
5559 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5561 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5563 * extend.texi: ISO C99 is not a draft anymore.
5564 * invoke.texi: ISO C++ is not a draft anymore.
5565 * cpp.texi: __cplusplus is required by the ISO standard.
5567 * extend.texi (-fthis-is-variable): Undocument.
5568 * flags.h (warn_template_debugging): Remove declaration.
5569 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5570 -Wenum-clash, -Wtemplate-debugging): Undocument.
5572 2000-04-10 Nick Clifton <nickc@cygnus.com>
5574 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5576 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5578 (ARM_SIGN_EXTEND): Use HOST_UINT.
5579 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5580 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5581 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5582 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5584 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5585 (arm_gen_constant): Use HOST_UINT.
5586 (arm_canonicalize_constant): Use HOST_UINT.
5587 (arm_reload_in_hi): Use HOST_UINT.
5588 (arm_reload_out_hi): Use HOST_UINT.
5589 (output_multi_immediate): Use HOST_UINT.
5590 (int_log2): Use HOST_UINT.
5591 (arm_poke_function_name): Use HOST_UINT.
5592 (arm_output_epilogue): Use arm_volatile_func().
5593 (output_thumb_prologue): Use arm_strip_name_encoding().
5595 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5597 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5598 of sequence point problems.
5600 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5602 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5604 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5606 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5608 * sbitmap.h: Whitespace changes and use upper-case macro args.
5609 (struct simple_bitmap_def): All sizes now unsigned.
5610 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5611 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5612 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5613 (sbitmap_zero): Cast bzero arg to PTR.
5614 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5615 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5616 loop to make structure clearer.
5617 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5618 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5619 (sbitmap_a_and_b_or_c): Likewise.
5620 (sbitmap_intersection_of_succs): Minor cleanups.
5621 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5622 (sbitmap_union_of_preds): Likewise.
5623 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5624 (debug_sbitmap): New function.
5626 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5627 * c-typeck.c (convert_for_assignment): Likewise.
5629 * expmed.c (init_expmed): Don't free objects we make.
5630 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5632 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5633 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5635 * gcse.c (expr_hash_table_size): Now unsigned.
5636 (compute_ae_gen): Local variable `i' now unsigned.
5637 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5638 (compute_transout, hoist_code): Likewise.
5639 (compute_local_properties): Likewise, also hash_table_size.
5640 (alloc_expr_hash_table): N_INSNS now unsigned.
5641 (delete_null_pointer_checks): Mark arg F as unused.
5643 * regrename.c: Minor cleanups, including chang some variables
5646 2000-04-10 Neil Booth <NeilB@earthling.net>
5648 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5650 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5652 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5654 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5655 __classof__, and __headof__ from the list of gnu keywords.
5656 (-ansi): Remove -foperator-names from list of implied options.
5657 Do not call it ANSI C++.
5658 (-foperator-names): Document as -fno-operator-names.
5660 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5662 * cpphash.c (timestamp): Delete.
5663 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5664 (special_symbol): Remove unnecessary braces. Remove
5665 T_VERSION. Treat T_STDC like T_CONST unless
5666 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5667 when one is encountered, then convert them into T_MCONST
5669 * cppinit.c (builtin_array): version_string is T_MCONST.
5670 __STDC__ has a "1" in its cpval. Don't have a terminator
5671 entry. Clean up which entries are dumped.
5672 (initialize_builtins): Only __STDC__ gets the special
5673 -traditional treatment. Count the length of builtin_array.
5674 Render version_string here.
5675 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5676 * cpplib.h (struct cpp_reader): Remove timebuf.
5678 2000-04-09 Richard Henderson <rth@cygnus.com>
5680 * genrecog.c (pred): Update comparison_operator for the unordered
5683 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5685 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5686 (uno_comparison_operator): New.
5687 (put_condition_code): Handle UNORDERED/ORDERED.
5688 (unsigned_comparison): Likewise.
5689 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5690 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5691 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5692 update all callers. Handle all 8 unordered operators.
5693 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5694 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5695 * config/i386/i386.h (PREDICATE_CODES): Update.
5696 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5697 (ix86_expand_branch, ix86_expand_setcc): Update.
5698 * config/i386/i386.md (sunordered, sordered): New.
5699 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5700 (bunordered, bordered): New.
5701 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5702 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5703 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5705 2000-04-09 Philip Blundell <philb@gnu.org>
5707 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5709 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5711 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5712 fix_truncxfhi2): New patterns.
5713 * i386.c (output_fix_trunc): Handle converting to HImode.
5715 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5717 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5719 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5720 (for_each_successor_phi): Change parameter to basic_block.
5721 (coalesce_regs_in_successor_phi_nodes): Likewise.
5722 (coalesce_regs_in_copies): Likewise.
5723 (compute_coalesced_reg_partition): Use basic_block instead of index.
5724 * rtl.h (convert_to_ssa): Delete.
5725 (convert_from_ssa): Likewise.
5726 (successor_phi_fn): Likewise.
5727 (for_each_successor_phi): Likewise.
5728 (in_ssa_form): Likewise.
5729 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5730 (convert_from_ssa): Likewise.
5731 (successor_phi_fn): Likewise.
5732 (in_ssa_form): Likewise.
5733 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5734 * flow.c (calculate_global_regs_live): Pass a basic_block to
5735 for_each_successor_phi.
5737 2000-04-08 Richard Henderson <rth@cygnus.com>
5739 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5740 was modified in the current insn.
5742 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5744 * arm/thumb.md: Delete.
5745 * arm/thumb-protos.h: Delete.
5747 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5749 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5751 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5753 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5756 * arm.md (nop): Use the standard RTL expression. Don't code as a
5758 (*arm_nop, *thumb_nop): Delete.
5760 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5761 constants. Use casts instead.
5762 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5763 output_multi_immediate, arm_poke_function_name): Likewise.
5764 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5765 MASK_RETURN_ADDDR): Likewise.
5767 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5769 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5772 * arm.md (eh_epilogue): New function.
5773 * arm.h (struct machine_function): Move to here ...
5774 * arm.c: ... from here.
5775 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5776 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5777 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5779 2000-03-30 Nick Clifton <nickc@cygnus.com>
5781 * config/arm/semi.h (ASM_SPEC): Restore definition.
5782 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5784 * config/arm/elf.h (ASM_SPEC): Restore definition.
5785 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5787 * config/arm/arm.h (ASM_SPEC): Remove definition.
5788 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5790 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5792 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5794 2000-03-24 Nick Clifton <nickc@cygnus.com>
5796 Various formating tidyups, elimination of compile time
5797 warnings and synchronisation with internal sources:
5799 * config/arm/arm-protos.h (assemble_align): Add prototype.
5800 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5801 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5802 (arm_return_addr_rtx): Rename to arm_return_addr.
5804 * config/arm/arm.c: Include except.h.
5805 Define shorter typenames for strict minipool_node and struct
5807 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5809 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5810 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5812 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5814 (ASM_SPEC): Define if not already defined.
5815 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5817 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5818 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5819 arm_gen_compare_reg.
5820 (indirect_jump): Only accept register operands.
5821 (load_indirect_jump): Keep this pattern since combine can generate
5824 * config/arm/coff.h: Include aout.h.
5825 (MULTILIB_DEFAULTS): Only define if not already defined.
5827 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5828 into arm.h (so that COFF ports can support thumb based aliases).
5829 (ASM_SPEC): Move definition into arm.h
5831 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5832 redundant apcs spec.
5833 (ASM_SPEC): Move definition to arm.h
5835 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5837 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5838 for entries in the .bss section
5840 2000-03-23 Nick Clifton <nickc@cygnus.com>
5842 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5843 to thumb_far_jump_used_p.
5845 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5846 single integer parameter.
5848 * config/arm/arm.c (struct machine_function): Add two new
5849 fields, 'far_jump_used' and 'arg_pointer_live'.
5850 (thumb_far_jump_used_p): Once the decision has been made that
5851 far jumps might be used, always return true.
5852 If being called from the initial elimination offset macro then
5853 do not bother to perform the test if the arg pointer is not
5855 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5856 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5858 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5860 * arm.c (output_return_instruction): Handle more cases where we can
5861 return from a function with an ldr instruction.
5862 (arm_output_epilogue): Likewise.
5864 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5865 if we need to push a large stack frame and there are no callee-saved
5868 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5869 in ARM code if the frame pointer has been eliminated.
5871 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5872 unspec_volatile arguments to avoid duplicates.
5873 (consttable_1, consttable_2): Fixes for big-endian mode.
5875 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5878 Re-write constant pool code.
5879 * arm.c (minipool_node, minipool_fix): New types.
5880 (minifix): Delete type.
5881 (arm_add_minipool_constant): Delete.
5882 (arm_compute_minipool_offsets, arm_find_barrier,
5883 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5884 (get_jump_table_size): Now returns HOST_WIDE_INT.
5885 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5887 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5888 (assign_minipool_offsets, arm_print_value): Likewise.
5889 (dump_minipool): Rewrite.
5890 (arm_barrier_cost): New function.
5891 (create_fix_barrier): New function.
5892 (push_minipool_barrier): New function.
5893 (push_minipool_fix): Record additional information about the fixup
5895 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5896 check the mode of what needs fixing.
5897 (arm_reorg): Rewrite.
5899 2000-03-08 Nick Clifton <nickc@cygnus.com>
5901 * config/arm/arm.md (indirect_jump): Force constant addresses into
5904 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5906 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5908 2000-02-24 Nick Clifton <nickc@cygnus.com>
5910 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5911 adjust is word aligned.
5912 (thumb_expand_epilogue): Make sure that stack adjust is word
5915 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5917 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5919 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5920 pointer relative addresses.
5922 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5924 * arm.c (find_barrier): Find the last barrier within the allowed
5927 2000-02-09 Nick Clifton <nickc@cygnus.com>
5929 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5931 2000-02-09 Nick Clifton <nickc@cygnus.com>
5933 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5934 ARM_FUNCTION_PROFILER.
5936 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5937 ARM_FUNCTION_PROFILER.
5939 * config/arm/linux-oldld.h: Imported from mainline sources.
5941 2000-02-07 Nick Clifton <nickc@cygnus.com>
5943 * config/arm/lib1funcs.asm: Merge in thumb functions from
5946 * config/arm/lib1thumb.asm: Delete.
5948 2000-02-04 Nick Clifton <nickc@cygnus.com>
5950 * config/arm/arm.c: Sychronised with current Red hat local
5952 * config/arm/arm.h: Ditto.
5953 * config/arm/arm-protos.h: Ditto.
5955 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5957 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5959 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5962 2000-02-02 Nick Clifton <nickc@cygnus.com>
5964 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5966 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5967 (return) was emited using an emit_insn() call.
5969 2000-01-31 Nick Clifton <nickc@cygnus.com>
5971 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5973 (thumb_exit): Move frame pointer back into hard frame pointer
5974 register if backtracing is being used.
5976 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5978 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5981 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5983 * config/arm/arm.md (neg_pool_offset): Provide default for new
5985 (arm_movsi_insn): Add neg_pool_offset attribute.
5986 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5987 rtx for the insn that starts the scan and an unsigned long for its
5988 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5989 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5990 instructions in *PINSERTED.
5991 (struct minipool_fixup): Add MIN_ADDRESS elt.
5992 (sort_fixups): Compute it.
5993 (arm_reorg): Changes to support inserting pools before the insn to be
5996 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5998 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5999 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
6000 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
6002 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
6004 * config/arm/semi.h (TARGET_VERSION): Do not define if already
6006 (TARGET_DEFAULT): Do not define if already defined.
6008 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
6010 * config/arm/arm.md (anddi3): Allow disjoint source operands.
6011 (iordi3): Allow disjoint source operands.
6012 (xordi3): Allow disjoint source operands.
6013 (negdi2): Permit construction for ARM and Thumb.
6014 (arm_negdi2): Renamed version of old negdi2 pattern.
6015 (thumb_negdi2): New pattern: Only permit non-overlapping
6016 source and destination.
6018 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
6020 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
6021 scratch low register so that it will not be deleted.
6023 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
6025 * config/arm/pe.h (ARM_PE): Define.
6027 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
6028 interfacearm attribute if this is a PE toolchain.
6029 (output_return_instruction): Do not emit anything if the function
6030 has the naked attribute set.
6031 (is_called_in_ARM_mode): If the function has the interfacearm
6032 attribute then return true.
6033 (thumb_expand_prologue): Do not generate a prologue for naked
6035 (thumb_expand_epilogue): Do not generate an epilogie for a naked
6037 (output_thumb_prologue): Do not bother if the function is naked.
6038 Strip PE encoding from function name before emitting.
6040 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6042 * arm.md (pic_load_addr): Fix constraints.
6044 * arm.md (casesi_insn): Fix mis-applied patch.
6046 * arm.md ("core" function unit): Add rules for single- and
6048 (All TARGET_THUMB patterns): Add "type" attribute information
6050 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6051 the following insn is a CALL.
6053 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6055 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6056 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6057 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6059 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6061 * config/arm/linux-gas.h: oops - this file was missed out when the
6062 branch was created...
6064 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6066 * thumb.c: Deleted. Move contents to ...
6068 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6070 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6073 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6074 declare a prototype for asm_output_align();
6076 * arm.c (thumb_condition_code): Delete.
6077 (arm_print_operand): Always use arm_condition_code array.
6079 * arm.c (thumb_return_addr_rtx): Delete.
6080 (arm_save_machine_status, arm_restore_machine_status): Delete.
6081 (arm_init_machine_status, arm_mark_machine_status): New functions.
6082 (arm_init_expanders): Update accordingly.
6083 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6084 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6085 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6087 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6089 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6091 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6094 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6096 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6097 stack backtrace structure.
6099 * config/arm/arm-protos.h: Add prototypes for functions defined in
6102 * config/arm/arm.c (arm_override_options): Fix selection of
6103 attributes of default processor.
6105 * config/arm/coff.h: Delete needless #include.
6107 * config/arm/pe.c: Delete unused code.
6109 * config/arm/pe.h (CPP_DEFINES): Delete
6110 (SUBTARGET_CPP_SPEC): Define.
6111 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6113 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6115 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6117 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6119 (CAN_DEBUG_WITHOUT_FP): Define.
6120 (FIXED_REGISTERS): Make r11 call-saved.
6121 (CALL_USED_REGISTERS): Likewise.
6122 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6123 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6124 frame-pointer is required.
6125 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6126 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6127 if the target normally needs a stack frame in non-leaf functions.
6128 (use_return_insn): Correct logic for determining when a return
6129 instruction can be used.
6130 (output_return_instruction): Handle the frame-pointer register as
6131 a normal register when not TARGET_APCS_FRAME.
6132 (arm_output_prologue): Likewise.
6133 (arm_output_epilogue): Likewise.
6134 (output_func_epilogue): Likewise.
6135 (arm_expand_prologue): Likewise.
6136 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6138 * arm.c (use_return_insn): No need to check floating point regs if
6140 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6141 the code of value stored in the minipool array.
6142 (arm_add_minipool_constant): Likewise.
6144 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6146 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6148 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6150 * tree.c (tree_expr_nonnegative_p): New function.
6152 * tree.h (tree_expr_nonnegative_p): Declare.
6154 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6155 elide some sign_compare warnings.
6156 (build_conditional_expr): Likewise.
6158 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6160 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6162 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6163 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6164 operand. Abort if a 387 operand has an unsupported size.
6166 2000-04-08 Neil Booth <NeilB@earthling.net>
6168 * cppexp.c (parse_charconst): Null does not end character
6170 * cppinit.c (ISTABLE): Null character handled as whitespace.
6171 * cpplex.c (null_warning): new function.
6172 (skip_string): Emit warning if nulls encountered.
6173 (_cpp_skip_hspace): Emit warning if nulls encountered.
6174 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6178 2000-04-07 Richard Henderson <rth@cygnus.com>
6180 * flow.c (loop_depth): Remove.
6181 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6182 (struct propagate_block_info): New.
6183 (life_analysis): Don't allocate reg_next_use.
6184 (propagate_block_delete_insn): Break out of propagate_block.
6185 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6186 (propagate_block_delete_libcall): Likewise.
6187 (propagate_block): Create a propagate_block_info struct to pass
6188 to subroutines. Allocate one not two temporary regsets. Don't
6189 clobber memory for const calls. Look for clobbers in
6190 CALL_INSN_FUNCTION_USAGE.
6191 (mark_set_regs): Recognize COND_EXEC.
6192 (mark_set_reg): Break out of mark_set_1.
6193 (mark_used_reg): Break out of mark_used_regs.
6194 (mark_used_regs): Recognize COND_EXEC.
6195 (insn_dead_p): Use propagate_block_info struct.
6196 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6197 (find_auto_inc, try_pre_increment_1): Likewise.
6198 (print_rtl_with_bb): Dump regs live at end too.
6199 (count_reg_sets_1): Pass in loop_depth.
6200 (count_reg_sets, count_reg_references): Likewise.
6201 (recompute_reg_usage): Provide it.
6203 2000-04-07 Richard Henderson <rth@cygnus.com>
6205 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6208 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6210 * cpplib.c (do_elif): Skip the rest of the line if we're
6211 not going to bother evaluating it.
6212 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6213 to avoid pointless calls to the lexer.
6215 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6217 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6219 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6221 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6223 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6225 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6227 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6229 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6230 crtend so they can be multilibbed.
6231 (STAGESTUFF): Remove s-crt and s-crtS.
6233 2000-04-07 Richard Henderson <rth@cygnus.com>
6235 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6236 if we discover we need a pseudo and no_new_pseudos is true.
6237 * config/alpha/alpha.md (ne:DI insn): New.
6238 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6240 2000-04-07 Richard Henderson <rth@cygnus.com>
6242 * rtl.def (COND_EXEC): New.
6243 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6244 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6246 * genconfig.c (have_cond_arith_flag): Remove.
6247 (have_cond_exec_flag): New.
6248 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6249 (main): Print HAVE_conditional_execution.
6251 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6252 (sched_analyze_insn, print_pattern): Likewise.
6253 * reload.c (find_equiv_reg): Likewise.
6254 * rtlanal.c (reg_referenced_p): Likewise.
6255 (note_stores, dead_or_set_regno_p): Likewise.
6256 (reg_overlap_mentioned_p): Rewrite to use a switch.
6258 * ggc.h (struct rtx_def): Forward declare.
6260 * print-rtl.c (debug_rtx_range): New.
6261 * rtl.h (debug_rtx_range): Declare.
6263 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6265 * gcse.c (gcse_main): Don't rebuild the CFG here.
6266 (delete_null_pointer_checks): Likewise.
6267 * ssa.c (convert_to_ssa): Likewise.
6268 * toplev.c (rest_of_compilation): Do it here instead. Combine
6269 sequential calls to TIMEVAR. Consistently use `insns' instead of
6270 `get_insns()'. Always split insns after reload when optimizing.
6272 * basic-block.h (merge_blocks_nomove): Declare.
6273 (tidy_fallthru_edge): Declare.
6274 * flow.c (merge_blocks_nomove): Document as merging into previous
6275 blocks. Remove cruft from between blocks; remove all edges out of A.
6276 (tidy_fallthru_edge): Export.
6278 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6280 * ssa.c (compute_conservative_reg_partition): Declare with
6282 * toplev.c (clean_dump_file): Remove previously-deleted function
6283 inadvertantly merged back in.
6284 * conflict.c (conflict_graph_add): Use a single call to
6285 htab_find_slot to look up and insert.
6287 2000-04-06 Richard Henderson <rth@cygnus.com>
6289 * genrecog.c (*): Rename _last_insn to last_insn.
6290 (make_insn_sequence): Set the position of the peephole2 C test
6291 to be at the last insn.
6293 2000-04-06 Richard Henderson <rth@cygnus.com>
6295 * flow.c (compute_flow_dominators): Free worklist.
6297 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6299 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6301 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6303 * rtl.h (INSN_P): New macro.
6304 (successor_phi_fn): New typedef.
6305 (for_each_successor_phi): New prototype.
6306 (in_ssa_form): New variable.
6307 (PHI_NODE_P): Likewise.
6308 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6309 phi nodes in successors.
6310 (mark_used_regs): Add PHI case.
6311 (set_phi_alternative_reg): New function.
6312 (life_analysis): Assert that dead code elimination is not selected
6314 * toplev.c (to_ssa_time): New variable.
6315 (from_ssa_time): Likewise.
6316 (compile_file): Zero to_ssa_time and from_ssa_time.
6317 Print time to convert to and from SSA.
6318 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6319 (print_time): Compute percent fraction as integer.
6320 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6321 (convert_to_ssa): Check if we're already in SSA.
6322 Don't eliminate dead code in life_analysis.
6323 Rerun flow and life analysis at bottom.
6324 (eliminate_phi): Use canonical regnos when adding nodes.
6325 (mark_reg_in_phi): New function.
6326 (mark_phi_and_copy_regs): Likewise.
6327 (convert_from_ssa): Rerun life analysis at top.
6328 Use coalesced partition.
6329 Check for removing a phi node at the end of the block.
6330 (compute_coalesced_reg_partition): New function.
6331 (coalesce_regs_in_copies): Likewise.
6332 (coalesce_reg_in_phi): Likewise.
6333 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6334 (for_each_successor_phi): Likewise.
6335 (rename_context): New struct.
6336 (rename_block): Use a rename_context with rename_insn_1. When
6337 renaming sets of a subreg, emit a copy of the entire reg first.
6338 (rename_insn_1): Treat data as a rename_context *. Save current
6340 (rename_set_data): Add field set_insn.
6341 * Makefile.in (HASHTAB_H): Move up in file.
6342 (OBSTACK_H): New macro.
6343 (collect2.o): Use OBSTACK_H in dependencies.
6344 (sdbout.o): Likewise.
6345 (emit-rtl.o): Likewise.
6346 (simplify-rtx.o): Likewise.
6347 (fix-header.o): Likewise.
6348 (OBJS): Add conflict.o.
6349 (conflict.o): New rule.
6350 * basic-block.h: Include partition.h.
6351 (conflict_graph): New typedef.
6352 (conflict_graph_enum_fn): Likewise.
6353 (conflict_graph_new): New prototype.
6354 (conflict_graph_delete): Likewise.
6355 (conflict_graph_add): Likewise.
6356 (conflict_graph_conflict_p): Likewise.
6357 (conflict_graph_enum): Likewise.
6358 (conflict_graph_merge_regs): Likewise.
6359 (conflict_graph_print): Likewise.
6360 (conflict_graph_compute): Likewise.
6361 * conflict.c: New file.
6363 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6365 * tlink.c (read_repo_files): Don't look for .rpo info for
6368 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6370 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6372 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6374 * config/sh/lib1funcs.asm (___udivsi3_i4):
6375 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6376 only depends on FMOVD_WORKS.
6378 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6380 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6381 make double constant 8-byte aligned.
6383 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6385 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6386 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6387 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6388 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6389 Accept storing GENERAL_REGS into offsetable memory.
6390 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6391 building a TFmode constant other than 0.0L into GENERAL_REGS.
6393 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6395 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6397 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6399 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6400 (macro_cleanup): No need to cast pbuf->macro.
6401 (collect_expansion): Use _cpp_get_define_token. Goto done if
6402 it returns VSPACE. Remove check for trailing space after
6404 (_cpp_create_definition): Don't diddle flags here. Return
6406 (unsafe_chars): Handle c1 being EOF.
6407 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6408 checks. Don't push the buffer till after we're done with
6410 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6411 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6412 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6414 (_cpp_parse_assertion): Don't NUL terminate.
6415 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6416 hspace before calling _cpp_parse_assertion. Remove all sets
6417 of only_seen_white. Treat '\f' as hspace. Don't do anything
6418 special with '\n' here.
6419 (maybe_macroexpand): Handle T_EMPTY hash entries without
6420 pushing a buffer at all.
6421 (cpp_get_token): Handle clearing only_seen_white here. Handle
6422 incrementing the line number here. Clear
6423 potential_control_macro as well as only_seen_white, if
6425 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6426 (_cpp_get_define_token): New function, basically like
6427 _cpp_get_directive_token was but doesn't eat horizontal space.
6428 Don't do anything with only_seen_white here.
6429 (_cpp_get_directive_token): Just call _cpp_get_define_token
6430 repeatedly till it returns non-hspace.
6432 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6433 (conditional_skip, skip_if_group): Return int.
6434 (DIRECTIVE_TABLE): Change origin of all conditional directives
6436 (TRAD_DIRECT_P): New macro.
6437 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6438 an error for a bogus directive, unless -lang-asm. Use
6439 TRAD_DIRECT_P. Loop calling handler functions till one returns
6441 (get_macro_name): Don't diddle flags here.
6442 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6443 Create T_EMPTY nodes for #define macro /* nothing */.
6444 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6445 Use hp->name when calling pass_thru_directive.
6446 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6447 Return the result of conditional_skip and/or skip_if_group.
6448 Don't call _cpp_output_line_command.
6449 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6450 Issue -Wtraditional warnings as appropriate. Don't complain
6451 about unrecognized directives. If we are to stop skipping,
6452 return the number of the directive that ended the skip.
6453 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6454 expansion and line commands while skipping. Return the result
6455 of consider_directive_while_skipping, if nonzero.
6456 (do_endif): Just set potential_control_macro here.
6457 (validate_else): Use _cpp_get_directive_token.
6458 (do_assert, do_unassert): Don't save pointers into the
6459 token_buffer across calls to the lexer. Use
6460 _cpp_get_directive_token.
6462 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6463 pointer, not an offset. Replace 'data', which was a generic
6464 pointer, with 'macro', which points to a struct hashnode.
6465 (cpp_reader): Add 'potential_control_macro' pointer.
6466 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6467 (CPP_BUF_GET, CPP_FORWARD): Delete.
6468 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6469 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6470 ACTIVE_MARK_P): Update.
6471 (_cpp_get_define_token): New internal function.
6472 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6474 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6476 * configure.in: And here.
6477 * configure: Regenerate.
6478 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6479 --enable-libstdcxx-v3 is passed at configure time.
6480 * config.h.in: Regenerate.
6482 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6484 * final.c (final): Use xcalloc to allocate line_note_exists.
6485 * function.c (free_after_compilation): Free the temp_slots.
6486 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6487 (combine_temp_slot): Free temp_slots when they get combined.
6488 (purge_addressof): Fix typo in comment.
6489 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6490 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6492 * ggc.h: Include varray.h.
6493 (ggc_pending_trees): Declare.
6494 (ggc_mark_tree_children): Remove declaration.
6495 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6496 * ggc-common.c (ggc_pending_trees): New variable.
6497 (ggc_mark_roots): Call ggc_mark_trees.
6498 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6499 the ggc_pending_trees.
6500 * Makefile.in (GGC_H): New variable. Use it throughout in place
6503 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6505 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6508 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6510 * sh.c (sh_insn_length_adjustment): New function.
6511 * sh-protos.h (sh_insn_length_adjustment): Declare.
6512 * sh.h (ADJUST_INSN_LENGTH): Use it.
6514 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6516 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6517 from the insn where REG_RETVAL is added.
6518 (emit_no_conflict_block): Ditto.
6520 * md.texi (Standard Names): Clarify when movX is needed.
6522 * combine.c (simplify_comparison) [MINUS]: Do not replace
6523 all (op (minus A B) 0) with (op A B).
6525 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6526 J"orn Rennecke <amylaar@cygnus.co.uk>
6528 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6529 (block_lump_real): Likewise.
6531 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6533 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6534 remaining non-zero debugging masks.
6536 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6538 * basic-block.h (verify_flow_info): Declare.
6539 (flow_loop_outside_edge_p): Declare.
6540 * flow.c (verify_flow_info): Remove declaration.
6541 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6543 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6545 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6548 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6550 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6551 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6552 seqdi_zero_trunc+1): Allow splits only if registers are
6555 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6557 * acconfig.h: Add HAVE_GAS_HIDDEN.
6558 * config.in: Regenerated.
6559 * configure.in: Add test for .hidden pseudo-op in gas.
6560 * configure: Regenerated.
6561 * crtstuff.c: Include auto-host.h.
6562 Emit additional .hidden pseudo-op for __dso_handle if the
6563 assembler knows about it.
6565 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6567 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6568 before freeing argnames.
6569 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6571 2000-04-05 Michael Meissner <meissner@redhat.com>
6573 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6574 Walton <jonboy@gordian.com> to make memory references with update
6575 work wtih -mregnames.
6577 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6579 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6580 (regrename_optimize): Rename variables `def_uses' and
6581 `ext_basic_blocks' to avoid conflicts with similarly named
6582 typedefs in traditional C.
6584 * calls.c (initialize_argument_information): Fix typo in previous
6587 2000-04-04 Richard Henderson <rth@cygnus.com>
6589 * regrename.c (consider_available): Test fixed_regs not
6590 PIC_OFFSET_TABLE_REGNUM.
6592 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6594 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6596 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6597 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6598 (ENDFILE_LINUX_SPEC): Always use crtend.
6599 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6600 (powerpc-*-linux-gnu): Likewise.
6601 * configure: Regenerate.
6603 * config/rs6000/eabi.h: Don't include sysv4.h.
6604 (MULTILIB_DEFAULTS): Don't define.
6605 * config/rs6000/eabiaix.h: Don't include eabi.h.
6606 * config/rs6000/eabile.h: Delete.
6607 * config/rs6000/eabilesim.h: Delete.
6608 * config/rs6000/eabisim.h: Don't include eabi.h.
6609 * config/rs6000/linux.h: Don't include sysv4.h.
6610 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6611 (MULTILIB_DEFAULTS): Don't redefine.
6612 * config/rs6000/rtems.h: Don't include eabi.h.
6613 * config/rs6000/sol2.h: Don't include sysv4le.h.
6614 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6615 * config/rs6000/t-ppc: Delete.
6616 * config/rs6000/t-ppcgas: Correct comment.
6617 * config/rs6000/t-ppcos: Correct comment. Don't build
6618 multilibs for -fPIC, rather use -fPIC -mstrict-align
6620 * config/rs6000/t-ppc: Delete.
6621 * config/rs6000/vxppc.h: Don't include sysv4.h.
6622 * config/rs6000/vxppcle.h: Delete.
6623 * configure.in: Use multiple header files for p2pc ELF targets
6624 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6625 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6626 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6627 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6628 always available for these platforms.
6630 2000-04-04 Richard Henderson <rth@cygnus.com>
6632 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6634 2000-04-04 Stan Cox <scox@cygnus.com>
6636 * Makefile.in: Add rules for regrename.o
6637 * regrename.c: New file.
6638 * rtl.h (regrename_optimize): Add prototype.
6639 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6640 (compile_file, decode_d_option): Add support for -frename-registers.
6641 (rest_of_compilation): Call regrename_optimize.
6642 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6645 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6647 * Makefile (gccbug): New target.
6648 (doc): Depend on it.
6649 * gcc.texi (Bugs): Link subnodes.
6651 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6652 Document severities, priorities, and classes in bug form.
6654 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6656 * cpplex.c (trigraph_map, speccase): Combine into single
6658 (NORMAL, NONTRI): New macros.
6659 (_cpp_read_and_prescan): Change to use unified table. Use
6660 is_hspace to test for whitespace.
6662 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6663 definition that doesn't provoke the "empty body in an
6664 if-statement" warning.
6666 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6668 * builtins.c (expand_builtin_strlen): Force the source to
6669 be a memory address.
6671 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6673 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6675 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6677 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6678 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6679 (ECF_IS_CONST): Rename to ECF_CONST.
6680 (special_function_p): Make static, change interface.
6681 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6682 (expand_call) ... here; convert number of variables to flags.
6683 (emit_library_call_vlue_1): Likewise.
6684 (setjmp_call_p): New function.
6685 (initialize_argument_information): Accepts flags as argument;
6687 (precompute_arguments): Likewise.
6688 * tree.h (special_function_p): Remove.
6689 (setjmp_call_p): Add prototype.
6691 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6693 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6694 so that addresses are offsetable by up to 16 bytes.
6695 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6696 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6699 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6700 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6701 (movsf): Don't force any constant to memory if target is integer
6703 Move fp_zero_operand check below the const0_rtx check.
6704 (movtf): Likewise. Also allow fp_zero_operand for stores into
6706 (movdf): Likewise. Also allow fp_zero_operand for stores into
6707 memory and into integer hard registers.
6708 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6709 movdf_const_intreg_sp64): Remove.
6710 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6712 (movdf_no_e_insn_v9_sp32): New pattern.
6713 (movdf_insn_v9only): Remove.
6714 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6715 (movdf_insn_sp64): Remove.
6716 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6717 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6718 (following splits): Rewrite conditions. Add two new splits
6719 for storing 0.0 into memory and registers.
6720 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6721 (movtf_insn_sp32): Redo constraints and conditions.
6722 (movtf_insn_vis_sp32): New pattern.
6723 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6724 (movtf_insn_hq_sp64): Likewise.
6725 (movtf_insn_hq_vis_sp64): New pattern.
6726 (movtf_insn_sp64): Redo constraints and conditions.
6727 (movtf_insn_vis_sp64): New pattern.
6728 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6729 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6731 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6732 -mvis or -m64 to take down the number of various reload patterns.
6734 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6736 * pa/pa-64.h: New file.
6737 * pa/pa64-regs.h: New file.
6738 * pa/pa64-start.h: New file.
6739 * pa/t-pa64: New file.
6740 * pa/xm-pa64hpux.h: New file.
6742 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6744 * sparc.c (output_restore_regs): Prototype.
6745 (sparc_emit_float_lib_cmp): Constification.
6747 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6749 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6752 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6753 (get_value_hash, hash_rtx): Likewise.
6755 * ssa.c (compute_conservative_reg_partition): Prototype.
6757 * tree.c (mark_hash_entry): Prototype.
6759 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6761 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6762 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6763 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6765 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6766 * objc/lang-specs.h: Likewise.
6768 2000-04-03 Neil Booth <NeilB@earthling.net>
6770 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6771 and SYNTAX_ERROR2. Replace `' in messages with ''.
6772 (op_to_str): Make re-entrant.
6773 (_cpp_parse_expr): Implement new error macros. Use | rather
6774 than || to logically or 2 boolean integers. Simply expression
6775 checking we have a left operand iff needed.
6777 2000-04-03 Nick Clifton <nickc@cygnus.com>
6779 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6781 2000-04-03 Philip Blundell <philb@gnu.org>
6783 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6785 2000-04-03 Felix Lee <flee@cygnus.com>
6787 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6788 (run_shell): Use it.
6790 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6792 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6793 (stmp-fixproto): ...rather than here.
6795 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6797 * pa.c (print_operand): Compute 'base' only inside the code paths
6800 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6802 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6805 2000-04-03 Philipp Thomas <pthomas@suse.de>
6807 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6809 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6811 * Makefile.in (alias.o): Depend on $(TREE_H).
6813 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6815 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6817 * cpplib.c (_cpp_handle_directive): Improve warnings for
6818 traditional C and indented directives.
6820 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6821 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6822 fixinc/inclhack.def: Indent the # of #include_next one space.
6823 * cp/rtti.c: Un-indent #if and #endif.
6825 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6826 syntax error, but an error has already been printed.
6827 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6828 message when called with nothing remaining on the line.
6829 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6830 OTHER token, not an ASSERTION.
6831 * cpplib.c (do_assert): When we create a 'base' node, clear
6832 its aschain pointer.
6834 2000-04-02 Neil Booth <NeilB@earthling.net>
6836 * cppexp.c: New typedef op_t. struct operation and struct
6837 token updated to use it.
6838 (op_to_str): New function.
6839 (_cpp_parse_expr): Error messages modified to use op_to_str.
6841 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6843 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6844 before checking MUST_PASS_IN_STACK.
6846 2000-04-02 Neil Booth <NeilB@earthling.net>
6848 * cppexp.c: New FINISHED dummy token. Combine operator initial
6849 flags and initial priority into a single constant. New
6850 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6851 (_parse_cpp_expr): Implement new constants. Take left operand
6852 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6853 parse indicated by reducing FINISHED token. Remove new lines
6854 from cpp_error messages.
6856 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6858 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6861 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6863 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6864 directive. Add origin values to DIRECTIVE_TABLE. Generate
6865 the strings and function names on the fly. Take the #sccs
6866 entry out of the table if SCCS_DIRECTIVE is not defined.
6867 (_cpp_handle_directive): Decide if the # was at the beginning
6868 of the line here. Issue -pedantic warnings for extended
6869 directives here. Warn about K+R directives with the #
6870 indented, and C89/extended directives with the # not indented,
6872 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6873 do_assert, do_unassert): Don't issue pedantic warning here.
6875 * cpphash.h: Add CPP_WTRADITIONAL macro.
6876 * cpplib.h (struct cpp_options): Rename warn_stringify to
6877 warn_traditional; update comments.
6878 * cppinit.c (handle_option): Set warn_traditional not
6880 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6881 CPP_WTRADITIONAL (pfile).
6882 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6883 be ignored in -traditional mode here.
6885 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6886 to initialize speccase[] and trigraph_map[]. Delete all
6887 references to pfile->input_speccase. Always treat '?' as a
6888 special character. Remove table-initialization code from
6889 _cpp_init_input_buffer.
6891 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6892 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6894 2000-04-01 Richard Henderson <rth@cygnus.com>
6896 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6897 (mostlyclean): Likewise.
6899 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6900 (struct dump_file_info, enum dump_file_index, dump_file): New.
6901 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6902 not a string. Clean out file if we havn't yet done so. Do nothing
6903 if the dump isn't enabled.
6904 (close_dump_file): Do nothing if the dump isn't open. Dump
6905 graph data if requested.
6906 (dump_rtl, clean_dump_file): Remove.
6907 (compile_file): Don't clean the dump files. Only finalize .bp dump
6908 if flag_test_coverage or flag_branch_probabilities. Only finalize
6909 .combine dump if optimizing. Iterate over dump_file to finalize the
6911 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6912 Convert all uses of dump_rtl.
6913 (decode_d_option): Iterate over dump_file to implement 'a' and to
6914 locate pass-specific dumps.
6916 2000-04-01 Neil Booth <NeilB@earthling.net>
6918 * cppexp.c: Redefine priority constants.
6919 (_cpp_parse_expr): Replace left and right priority scheme with
6920 single priority logic. Move LOGICAL to same place as COMPARE.
6921 Remove bogus check for multiple unary +/- operators.
6923 2000-04-01 Neil Booth <NeilB@earthling.net>
6925 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6926 within the switch statement. Binary operations break out of
6927 the switch naturally. '(' tokens handled by forcing
6928 immediate shift. ')' handled by forcing immediate reduce to
6929 the previous '('. New error messages.
6931 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6933 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6934 part', it's already in use. Use %K instead. Add a return at the
6935 end of what is now %K.
6936 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6938 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6940 * builtins.c (expand_builtin_apply): Pass proper parameters to
6941 allocate_dynamic_stack_space.
6942 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6943 update stack_pointer_delta; do not update arg_size_so_far.
6944 (compute_argument_block_size): Use stack_delta instead of
6945 stack_pointer_pending and arg_size_so_far.
6946 (expand_call): Add sanity checking for stack_pointer_delta;
6947 save and restore stack_pointer_delta for SIB, use
6948 stack_pointer_delta for alignment; do not update arg_space_so_far.
6949 (emit_library_call_value): Use stack_pointer_delta for alignment.
6950 (store_one_arg): Do not update arg_space_so_far.
6951 * explow.c (adjust_stack, anti_adjust_stack): Update
6952 stack_pointer_delta.
6953 (allocate_dynamic_stack_space): Add sanity checking for
6954 stack_pointer_delta.
6955 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6956 stack_pointer_delta.
6957 (emit_push_insn): Update stack_pointer_delta.
6958 * function.h (struct expr_status): Add x_stack_pointer_delta;
6959 remove x_arg_space_so_far.
6960 (arg_space_so_far): Remove.
6961 (stack_pointer_delta): New macro.
6963 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6965 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6966 Reorder struct cpp_options and struct cpp_reader for better
6967 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6968 takes two args. Change all 'char' flags to 'unsigned char'.
6969 Move show_column flag into struct cpp_options. Don't
6970 prototype cpp_options_init.
6971 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6972 cppinit.c, cpplex.c, cpplib.c:
6973 Replace CPP_OPTIONS (pfile)->whatever with
6974 CPP_OPTION (pfile, whatever), and likewise for
6975 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6977 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6978 Extract CPP_OPTION (pfile, pending) and work with that
6980 (cpp_options_init): Delete.
6981 (cpp_reader_init): Turn on on-by-default options here.
6982 Allocate the pending structure here.
6983 (cl_options, enum opt_code): Define these from the same table,
6984 kept in a large macro. Add -fshow-column and -fno-show-column
6987 * cpperror.c (v_message): If show_column is off, don't print
6990 * cppmain.c: Update for new interface.
6991 * fix-header.c: Likewise.
6993 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6995 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6997 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6998 are passed to any invocation of AR_FOR_TARGET.
6999 (AR_CREATE_FOR_TARGET): New macro.
7000 (AR_EXTRACT_FOR_TARGET): New macro.
7001 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
7002 AR_EXTRACT_FOR_TARGET.
7003 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
7004 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
7005 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
7006 AR_EXTRACT_FOR_TARGET to sub-makes.
7008 2000-03-31 Neil Booth <NeilB@earthling.net>
7010 * cppexp.c: Delete SKIP_OPERAND. Correct priority
7012 (_cpp_parse_expr): Check for multiple unary +/- operators.
7013 Correct priorities of ':' and '?'. Treat ')' as having a
7014 value. Ensure conditional expression is not void.
7016 2000-03-31 Mark Mitchell <mark@codesourcery.com>
7018 * alias.c (canon_rtx): Make it global.
7019 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
7021 * cse.c (struct table_elt): Add canon_exp.
7023 (invalidate): Canonicalize expressions only once.
7024 * rtl.h (canon_rtx): Declare.
7026 2000-03-30 Mark Mitchell <mark@codesourcery.com>
7028 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
7029 * alias.c (reg_known_value): Add comments.
7030 (init_alias_analysis): Likewise.
7031 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
7033 (cse_basic_block): Fix typo in comment.
7034 * emit-rtl.c: Include hashtab.h.
7035 (const_int_htab): New variable.
7036 (const_int_htab_hash): New function.
7037 (const_int_htab_eq): Likewise.
7038 (rtx_htab_mark_1): Likewise.
7039 (rtx_htab_mark): Likewise.
7040 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7041 (unshare_all_rtx): Fix formatting.
7042 (init_emit_once): Initialize const_int_htab.
7043 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7045 * rtl.texi: Document the fact that all CONST_INTs with the same
7048 2000-03-30 Richard Henderson <rth@cygnus.com>
7050 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7052 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7054 * configure.in: Comment out --enable-c-cpplib stanza.
7055 * configure: Regenerate.
7057 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7059 * expr.c (store_constructor): Properly compute displacement and
7060 alignment when offset is variable.
7062 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7063 cases of alignment in bytes.
7065 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7067 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7068 since it is used to generate c-parse.y.
7069 * objc-parse.c, objc-parse.y: Regenerated.
7071 * function.c (expand_function_end): Pass alignment argument to
7072 emit_block_move in bits, not bytes.
7074 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7076 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7079 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7081 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7082 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7083 * function.c (assign_parms): Likewise.
7084 * integrate.c (expand_inline_function): Likewise.
7085 * stmt.c (expand_decl): Likewise.
7086 (copy_rtx_and_substitute): Likewise.
7087 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7088 (clear_by_pieces): Fix error in last change.
7089 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7090 * function.h (regno_pointer_align): Now unsigned.
7091 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7093 * config/i386/i386.c (aligned_operand): Likewise.
7094 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7095 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7096 (unaligned_memory_operand): Likewise.
7097 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7098 Also make alignments and sizes unsigned and some whitespace cleanup.
7099 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7101 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7102 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7103 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7104 (expand_builtin_memset): Likewise, but to clear_storage.
7105 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7106 (restore_fixed_argument_area): Likewise.
7107 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7108 (load_register_parameters): Likewise, to emit_group_load.
7109 (expand_call): Likewise, to emit_group_store and emit_block_move.
7110 (emit_library_call_value_1): Likewise, to emit_block_move.
7111 (store_one_arg): Likewise, and to emit_push_insn.
7112 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7113 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7114 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7115 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7116 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7117 (expand_assigment, store_expr, store_constructor_field): Likewise.
7118 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7119 (store_constructor, store_field, get_inner_reference): Likewise.
7120 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7121 (expand_expr, case COMPONENT_REF): Likewise.
7122 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7123 and positions; reindent code.
7124 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7125 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7126 (assign_parms): Likewise to emit_group_store.
7127 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7128 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7129 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7130 (expand_return): Likewise to {extract,store}_bit_field.
7131 * stor-layout.c (get_mode_alignment): Minor cleanup.
7132 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7133 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7135 2000-03-29 Nick Clifton <nickc@cygnus.com>
7137 * config/arm/arm.h: Undo effects of previous delta:
7138 (ASM_SPEC): Do not define.
7139 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7141 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7144 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7146 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7147 only after reading in the primary source file.
7149 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7151 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7152 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7153 or a reference to a va_list.
7154 * builtins.c (stabilize_va_list): Simplify now we don't have to
7155 work around C array address decay.
7156 * c-typeck.c (convert_for_assignment): Handle assignment to
7157 a reference parameter by taking the address of the RHS.
7158 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7159 (va_copy): Likewise.
7160 (__va_copy): Likewise.
7161 * ginclude/varargs.h (va_start): Likewise.
7162 (__va_copy): Likewise.
7164 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7166 * i386/djgpp.h: Remove extraneous "+".
7168 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7170 * calls.c (expand_call): Fix typo in last change.
7172 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7174 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7177 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7179 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7180 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7181 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7182 * tree.c (bit_position, byte_position): Likewise.
7183 * tree.h: Declare new functions.
7185 2000-03-29 Nick Clifton <nickc@cygnus.com>
7187 * config/arm/arm.c: Minor formatting changes/
7188 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7190 (ASM_SPEC): Define if not already defined.
7192 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7194 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7197 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7199 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7200 value, don't output it as unsigned.
7202 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7204 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7206 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7208 * c-common.c (c_common_nodes_and_builtins): Don't special case
7209 cplus_mode when declaring builtin bzero/bcmp, always avoid
7210 prototype arguments.
7212 2000-03-29 Bruce Korb <bkorb@gnu.org>
7214 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7217 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7219 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7220 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7221 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7222 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7223 (save_fixed_argument_area, restore_fixed_argument_area):
7224 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7225 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7226 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7227 (precompute_register_parameters): Avoid #ifdefs on
7228 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7229 (stire_one_args): Likewise.
7230 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7231 (emit_library_call_value_1): Likewise.
7232 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7233 ACCUMULATE_OUTGOING_ARGS.
7234 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7236 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7237 (use_crosses_set_p): Likewise.
7238 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7239 #define ACCUMULATE_OUTGOING_ARGS 1.
7240 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7242 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7244 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7245 (TARGET_SWITCHES): Add push-args, no-push-args,
7246 accumulate-outgoing-args and no-accumulate-outgoing-args.
7247 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7248 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7249 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7251 (emit_push_insn): Likewise.
7252 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7253 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7254 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7255 (STACK_DYNAMIC_OFFSET): Define correctly for both
7256 ACCUMULATE_OUTGOING_ARGS and normal mode.
7257 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7258 * tm.texi (PUSH_ARGS): Document.
7259 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7261 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7263 * flags.h (flag_optimize_sibling_calls): Declare.
7264 * calls.c (expand_call): Fail sibcall when
7265 !flag_optimize_sibling_calls
7266 * invoke.texi (flag_optimize_sibling_calls): Document.
7267 * toplev.c (flag_optimize_sibling_calls): New global variable.
7268 (f_options): Add flag_optimize_sibling_calls.
7269 (rest_of_compilation): Conditionize
7270 optimize_sibling_and_tail_recursive_calls by
7271 flag_optimize_sibling_calls.
7272 (main): Set flag_optimize_sibling_calls for -O2.
7273 * stmt.c (expand_return): Conditionize tail recursion by
7274 flag_optimize_sibling_calls.
7276 2000-03-29 Richard Henderson <rth@cygnus.com>
7278 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7279 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7281 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7283 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7285 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7287 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7289 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7290 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7291 * config/rs6000/aix.h: then modified likewise.
7293 2000-03-28 Richard Henderson <rth@cygnus.com>
7295 * rtl.h: Redistribute enum reg_note documentation.
7296 Kill trailing whitespace.
7297 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7298 Kill trailing whitespace.
7300 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7302 * cppfiles.c (hash_IHASH): Just return i->hash.
7303 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7304 htab_find_with_hash.
7305 (cpp_read_file): Likewise.
7306 (find_include_file): Likewise. Properly initialize
7307 ih->nshort. Share ih->name and ih->nshort if possible.
7308 * cpphash.c (_cpp_calc_hash): New function.
7309 (hash_HASHNODE): Just return h->hash.
7310 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7311 htab_find_with_hash.
7312 * cpphash.h: Prototype _cpp_calc_hash.
7313 * cppinit.c (initialize_builtins): Provide a valid hash
7314 to _cpp_make_hashnode, using _cpp_calc_hash.
7316 * cpphash.c (collect_expansion): # is not a special character
7317 in object-like macros. In -traditional mode, /**/ is not
7318 token paste at the beginning or end of the line.
7319 * cpplib.c (do_include, do_import, do_include_next): If
7320 parse_include fails, return immediately.
7322 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7324 * config/arm/arm.md (return peepholes): Update to reflect the new
7326 * config/arm/arm.c (arm_volatile_func): Also check
7327 current_function_nothrow.
7328 (output_return_instruction, output_func_prologue): Use it.
7329 (arm_output_epilogue, arm_expand_prologue): Likewise.
7331 2000-03-27 Tom Tromey <tromey@cygnus.com>
7333 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7336 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7338 * expr.c (store_constructor): SIZE now signed.
7339 For EXPR_SIZE, don't evaluate size; just needed if constant.
7340 * fold-const.c (fold): Fix a number of cases when folded tree is
7342 * function.c (flush_addressof): Reenable.
7343 * tree.h (flush_addressof): Likewise.
7344 * toplev.c (independent_decode_option): Look at strings_processed.
7345 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7347 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7349 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7350 Allow stack adjustment after function call.
7352 * regmove.c (struct csa_memlist): Make mem field rtx *.
7353 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7354 (try_apply_stack_adjustment): Replace whole MEM rtx.
7355 (combine_stack_adjustments_for_block): Update calls
7356 to record_one_stack_ref.
7358 2000-03-28 Neil Booth <NeilB@earthling.net>
7360 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7361 '\\' rather than a null character, so nulls are not special. Fix
7362 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7363 speed trigraph conversion.
7364 (_cpp_init_input_buffer): Initialize trigraph map.
7366 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7368 * config/i386/i386.c (output_387_binary_op): Correct intel
7369 mode assembly output, and add spaces after commas in AT&T
7370 output. Correct Unixware assembler comment. Document input
7371 constraints. Comment fp operations. Reduce profligate buffer
7372 size. Remove extraneous abort. Localize temp var.
7373 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7374 (output_fix_trunc): Add spaces after commas in assembly output.
7376 2000-03-27 Richard Henderson <rth@cygnus.com>
7378 * i386-protos.h (ix86_match_ccmode): Declare.
7379 * i386.c (ix86_match_ccmode): New.
7380 (ix86_expand_fp_compare): Update for pattern renames.
7381 (ix86_expand_strlensi_unroll_1): Likewise.
7382 * i386.h (EXTRA_CC_MODES): Add CCZ.
7383 (SELECT_CC_MODE): Use it for EQ/NE zero.
7384 * i386.md (cmpsi_ccz_1): New.
7386 (*testsi_ccz_1): New.
7387 (testqi_ccz_1): New.
7388 (cmpsi_ccno_1): Rename from cmpsi_0.
7389 (testsi_ccno_1): Rename from testsi_1.
7390 (testqi_ccno_1): Rename from testqi_1.
7391 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7392 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7393 (*cmphi_0): Use ix86_match_ccmode.
7394 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7395 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7396 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7397 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7398 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7399 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7400 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7401 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7402 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7403 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7404 (appropriate peepholes): Likewise.
7405 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7406 (*subsi_3, *subhi_3, *subqi_3): Remove.
7407 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7408 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7409 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7410 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7411 (x86_shift_adj_1): Use CCZ.
7412 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7414 2000-03-27 Stan Cox <scox@cygnus.com>
7416 * resource.h (mark_resource_type): New.
7417 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7418 find_free_register): Use mark_resource_type.
7419 (mark_set_resources): Change include_delayed_effects
7420 to mark_resource_type.
7421 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7422 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7423 Use mark_resource_type.
7425 2000-03-27 Richard Henderson <rth@cygnus.com>
7427 * i386.md (call_pop_0, call_value_pop_0): New.
7428 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7429 (call_value_pop_1): Likewise.
7430 (call_0, call_value_0): New.
7431 (call_1, call_value_1): Remove constraint from unused arg.
7433 2000-03-27 Nick Clifton <nickc@cygnus.com>
7435 * invoke.texi (Spec Files): Document new spec % command created by
7436 Tom Tromey's recent patch.
7438 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7440 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7443 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7445 * expr.c (expand_assignment): Fix typo in last change.
7447 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7449 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7451 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7452 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7453 and DECL_INLINE if FUNCTION_DECL.
7454 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7455 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7456 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7457 (combine_parm_decls): Likewise.
7458 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7459 * print-tree.c (print_node): Likewise.
7460 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7461 DECL_TRANSPARENT_UNION on proper decl types.
7462 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7463 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7464 DECL_BIT_FIELD of FIELD_DECL.
7465 * tree.h (DECL_RESULT_FLD): New macro.
7467 * expr.c (expand_assignment): Add code to handle variable-sized
7470 2000-03-26 Richard Henderson <rth@cygnus.com>
7472 * calls.c (expand_call): Pass parms not original exp to
7473 optimize_tail_recursion. Mind return value instead of looking
7475 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7476 call_expr. Move checks for call_expr and current_function_decl ...
7477 (expand_return): ... here.
7479 2000-03-26 Tom Tromey <tromey@cygnus.com>
7481 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7482 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7484 (process_command): Use them.
7485 (check_live_switch): Likewise.
7486 (give_switch): Skip ignored switches.
7488 2000-03-26 Jan Hubicka <jh@suse.cz>
7490 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7491 for minimal jump pass test.
7493 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7495 * integrate.c (function_cannot_inline_p): Do inline functions that
7498 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7500 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7501 now a list of TREE_LIST entries, not types.
7502 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7504 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7505 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7507 * config/mips/mips.c (function_arg): Likewise; also remove cast
7508 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7509 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7510 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7511 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7512 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7513 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7514 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7515 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7516 num_adjusts now unsigned.
7517 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7518 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7520 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7521 as is BITPOS variable; use host_integerp and int_bit_position.
7522 (function_arg_record_value_2): Likewise.
7523 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7524 Variable REGNO now unsigned.
7525 (function_arg_record_value): NREGS now unsigned.
7527 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7529 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7531 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7533 * Rework fields used to describe positions of bitfields and
7534 modify sizes to be unsigned and use HOST_WIDE_INT.
7535 * alias.c (reg_known_value_size): Now unsigned.
7536 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7537 (really_start_incremental_init): Use bitsize_zero_node.
7538 (push_init_level, pop_init_level, output_init_element): Likewise.
7539 Use bitsize_unit_node and bitsize_one_node.
7540 (output_pending_init_elements, process_init_element): Likewise.
7541 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7542 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7543 HOST_WIDE_INT, respectively.
7544 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7545 (num_sign_bit_copies): Returns unsigned.
7546 BITWIDTH now unsigned; rework arithmetic.
7547 Remove recursive call from arg to MAX.
7548 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7549 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7551 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7552 (find_split_point, expand_compound_operation, make_extraction): LEN
7553 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7554 (make_field_assignment): Likewise.
7555 (combine_simplify_rtx): Add cast.
7556 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7557 (force_to_mode): WIDTH now unsigned; add cast.
7558 (if_then_else_cond): SIZE now unsigned.
7559 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7560 (extended_count): Now returns unsigned.
7561 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7562 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7563 (simplify_comparison): MODE_WIDTH now unsigned.
7564 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7565 (mark_used_regs_combine): Likewise; rework arithmetic.
7566 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7567 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7568 (record_promoted_value): REGNO now unsigned.
7569 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7570 (get_last_value): REGNO now unsigned.
7571 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7572 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7573 (remove_death): Arg REGNO now unsigned.
7574 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7575 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7577 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7578 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7579 (struct cse_reg_info): REGNO now unsigned.
7580 (cached_regno): Now unsigned.
7581 (REGNO_QTY_VALID_P): Add cast.
7582 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7583 (remove_invalid_regs): Likewise.
7584 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7585 as are variables END and I.
7586 (get_cse_reg_info, insert): Likewise.
7587 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7588 (canon_hash): Likewise.
7589 (insert_regs, lookup_for_remove): REGNO now unsigned.
7590 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7592 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7593 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7594 * emit-rtl.c (subreg_realpart_p): Add cast.
7595 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7596 (operand_subword_force): Arg I is now unsigned.
7597 * except.c (eh_regs): Variable I is now unsigned.
7598 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7599 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7600 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7601 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7602 (extract_split_bit_field, store_bit_field, extract_bit_field):
7604 * expr.c (store_constructor_fields, store_constructor, store_field):
7605 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7606 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7607 (do_jump): Likewise.
7608 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7609 MAX_SIZE is now unsigned.
7610 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7611 (emit_group_store): Likewise.
7612 (emit_move_insn): I now unsigned.
7613 (store_constructor): Use host_integerp, tree_low_cst, and
7615 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7616 Rework all calculations to use trees and new fields.
7617 * expr.h (promoted_input_arg): Regno now unsigned.
7618 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7619 (mark_seen_cases): Arg is HOST_WIDE_INT.
7620 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7621 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7622 precisions and alignments are unsigned.
7623 (optimize_bit_field_compare, fold_truthop): Likewise.
7624 (int_const_binop): Adjust threshold for size_int_type_wide call.
7625 (fold_convert): Likewise.
7626 (size_int_type_wide): Make table larger and fix thinko that only
7627 had half of table used.
7628 (all_ones_mask_p, fold): Precisions are unsigned.
7629 * function.c (put_reg_info_stack): REGNO is unsigned.
7630 (instantiate_decl): Size is HOST_WIDE_INT.
7631 (instantiate_virtual_regs): I is unsigned.
7632 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7633 (promoted_input_arg): REGNO is unsigned.
7634 * function.h (struct function): x_max_parm_reg is now unsigned.
7635 * gcse.c (max_gcse_regno): Now unsigned.
7636 (struct null_pointer_info): min_reg and max_reg now unsigned.
7637 (lookup_set, next_set): REGNO arg now unsigned.
7638 (compute_hash_table): REGNO and I now unsigned.
7639 (handle_avail_expr): regnum_for_replacing now unsigned.
7640 (cprop_insn): REGNO now unsigned.
7641 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7642 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7643 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7644 * hard-reg-set.h (reg_class_size): Now unsigned.
7645 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7646 * jump.c (mark_modified_reg): I now unsigned; add cast.
7647 (rtx_equal_for_thread_p): Add cast.
7648 * loop.c (max_reg_before_loop): Now unsigned.
7649 (struct_movable): REGNO now unsigned.
7650 (try_copy_prop): REGNO arg unsigned.
7651 (regs_match_p): XN and YN now unsigned.
7652 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7653 (strength_reduce): Likewise; NREGS also unsigned.
7654 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7655 * loop.h (struct iv_class): REGNO now unsigned.
7656 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7658 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7659 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7660 * optabs.c (expand_binop): I and NWORDS now unsigned.
7661 (expand_unop): I now unsigned.
7662 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7663 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7664 * real.c (significand_size): Now returns unsigned.
7665 * real.h (significand_size): Likewise.
7666 * regclass.c (reg_class_size): Now unsigned.
7667 (choose_hard_reg_mode): Both operands now unsigned.
7668 (record_reg_classes): REGNO and NR now unsigned.
7669 (reg_scan): NREGS now unsigned.
7670 (reg_scan_update): old_max_regno now unsigned.
7671 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7672 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7673 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7674 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7675 Likewise for variable R.
7676 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7677 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7678 (find_equiv_reg): Add casts.
7679 (regno_clobbered_p): Arg REGNO now unsigned.
7680 * reload.h (struct reload): NREGS now unsigned.
7681 (refers_to_regno_for_reload_p): Regno args are unsigned.
7682 (regno_clobbered_p): Likewise.
7683 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7684 (compute_use_by_pseudos): REGNO now unsigned.
7685 (find_reg): I and J now unsigned, new variable K, and change loop
7686 variables accordingly; THIS_NREGS now unsigned.
7687 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7688 (spill_hard_reg): REGNO arg now unsigned; add casts.
7689 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7690 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7691 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7692 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7693 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7694 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7695 (emit_reload_insns): REGNO now unsigned.
7696 (reload_cse_move2add): Add cast.
7697 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7699 * resource.c (mark_referenced_resources, mark_set_resources): New
7700 variable R; REGNO and LAST_REGNO now unsigned.
7701 (mark_target_live_regs): J and REGNO now unsigned.
7702 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7703 * rtl.h (union rtunion_def): New field rtuint.
7704 (XCUINT): New macro.
7705 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7706 (operand_subword, operand_subword_force): Word number is unsigned.
7707 (choose_hard_reg_mode): Operands are unsigned.
7708 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7709 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7710 (regno_use_in, combine_instructions, remove_death): Likewise.
7711 (reg_scan, reg_scan_update): Likewise.
7712 (extended_count): Return is unsigned.
7713 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7714 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7715 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7716 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7717 (reg_reg_last_1): FIRS and LAST now unsigned.
7718 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7719 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7721 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7722 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7723 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7724 (replace_regs): Arg NREGS now unsigned.
7725 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7726 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7727 (simplify_binary_operation): Likewise.
7728 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7729 THIS_LAST now unsigned.
7730 (cselib_record_set): Add cast.
7731 * ssa.c (ssa_max_reg_num): Now unsigned.
7732 (rename_block): REGNO now unsigned.
7733 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7735 (all_cases_count): Just return -1 not -2.
7736 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7737 Rework tests to use trees whenever possible.
7738 Use host_integerp and tree_low_cst.
7739 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7740 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7741 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7742 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7743 (smallest_mode_for_size): Likewise.
7744 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7745 KNOWN_ALIGN is now an alignment, so simplify code.
7746 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7747 (start_record_layout): Renamed from new_record_layout_info.
7748 Update to new fields.
7749 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7751 (place_union_field): Renamed from layout_union_field.
7752 Update to use new fields in rli.
7753 (place_field): Renamed from layout_field.
7754 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7755 (finalize_record_size): Rework to use new fields in rli and handle
7757 (compute_record_mode): Rework to simplify and to use new DECL fields.
7758 (finalize_type_size): Make rounding more consistent.
7759 (finish_union_layout): Deleted.
7760 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7761 (layout_type, case RECORD_TYPE): Call new function names.
7762 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7763 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7764 (get_best_mode): UNIT is now unsigned; remove casts.
7765 * tree.c (bit_position): Compute from new fields.
7766 (byte_position, int_byte_position): New functions.
7767 (print_type_hash_statistics): Cast to remove warning.
7768 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7769 (build_index_type): Likewise; make subtype of sizetype.
7770 (build_index_2_type): Pass sizetype to build_range_type.
7771 (build_common_tree_nodes): Use size_int and bitsize_int to
7772 initialize nodes; add bitsize_{zero,one,unit}_node.
7773 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7774 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7775 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7776 (DECL_FIELD_BITPOS): Deleted.
7777 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7778 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7779 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7780 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7781 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7782 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7783 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7784 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7785 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7786 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7787 (DECL_ALIGN): Adjust to new field in union.
7788 (DECL_OFFSET_ALIGN): New field.
7789 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7790 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7791 (union tree_decl): Add struct for both aligns.
7792 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7793 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7794 (struct record_layout_info): Rework fields to have offset
7795 alignment and byte and bit position.
7796 (start_record_layout, place_field): Renamed from old names.
7797 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7798 (byte_position, int_byte_position): Likewise.
7799 (get_inner_reference): Change types of position and length.
7800 * unroll.c (unroll_loop): New variable R; use for some loops.
7801 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7802 (calculate_giv_inc): Arg REGNO now unsigned.
7803 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7804 * varasm.c (assemble_variable): Clean up handling of size using
7805 host_integerp and tree_low_cst.
7806 (decode_addr_const): Use byte, not bit, position.
7807 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7808 use tree_low_cst and int_bit_position.
7809 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7811 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7813 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7814 (reorder_block_def): New members eff_head and eff_end.
7815 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7816 (verify_insn_chain): New function.
7817 (skip_insns_between_block): Add code to skip deleted insns.
7818 Check for note before using.
7819 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7820 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7821 Check for note before using.
7822 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7823 (fixup_reorder_chain): Restructure, clean up, defect removal.
7824 (reorder_basic_blocks): Remove last_insn and references to it.
7825 Moved insn chain verification code into a new function (see above).
7826 Delete defective code that sets last insn.
7827 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7830 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7832 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7834 2000-03-24 Richard Henderson <rth@cygnus.com>
7836 * tree.c (lang_safe_for_unsave): Remove.
7837 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7838 allowing for two levels of unsafeness. Remove lang hook.
7839 * tree.h: Update declarations.
7840 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7841 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7842 Always fail sibcalls when there are pending cleanups.
7844 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7846 * flow.c (propagate_block): When we delete an ADDR_VEC,
7847 also delete the BARRIER following it if there is one.
7849 2000-03-24 Richard Henderson <rth@cygnus.com>
7851 * builtins.c (expand_builtin_bzero): Convert `length' argument
7854 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7856 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7857 comparison if regno's are equal.
7858 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7859 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7860 (expand_call): Update caller.
7861 Avoid making a sibling call if argument size of the callee is larger
7862 than argument size of the caller.
7863 Call hard_function_value with outgoing set if in sibcall pass.
7864 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7866 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7867 Change LEAF_REGISTERS from an array initializer to actual array
7868 identifier. Move static global variable into the function.
7869 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7870 sequences for leaf functions.
7871 * global.c (global_alloc): Likewise.
7872 * tm.texi (LEAF_REGISTERS): Update documentation.
7874 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7875 TARGET_FLAT leaf disabling hack.
7876 (LEAF_REGISTERS): Changed from an array initializer to actual array
7877 identifier to avoid duplication and remove the above hack.
7878 (FUNCTION_OK_FOR_SIBCALL): Define.
7879 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7880 always like call attribute.
7881 (eligible_for_sibcall_delay): New attribute.
7882 (sibcall): New delay type.
7883 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7884 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7885 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7886 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7887 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7889 (output_function_epilogue): Move part of the code into
7890 output_restore_regs.
7891 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7893 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7896 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7897 until infrastructure is finished.
7899 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7901 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7902 (save_parm_insns): Not here.
7904 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7906 * builtins.c (expand_builtin_bzero): New function.
7907 (expand_builtin): Handle bzero.
7909 * builtins.def: Add BUILT_IN_BZERO.
7911 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7912 prototype & function for bzero.
7914 2000-03-23 Michael Meissner <meissner@redhat.com>
7916 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7917 change adding TARGET_FP to the TF floating point insns, except for
7918 trunctfsf2, which generates direct calls to truncdfsf2.
7920 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7922 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7923 try to protect against middle-end changes that break binary
7925 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7927 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7929 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7931 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7933 * calls.c (expand_call): If TARGET is passed by reference and
7934 is readonly, write a CLOBBER.
7936 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7938 * builtins.c (expand_builtin): Handle bcmp.
7940 * builtins.def: Add BUILT_IN_BCMP.
7942 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7943 prototype & function for bcmp.
7945 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7947 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7948 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7949 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7951 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7953 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7954 alternative when using -fp64 -gp32.
7956 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7958 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7959 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7960 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7962 * frame.h (frame_state): Revert last change.
7963 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7964 * libgcc2.c (throw_helper): Revert last change.
7966 2000-03-22 Richard Henderson <rth@cygnus.com>
7968 * stmt.c (expand_asm_operands): Don't promote the temporary.
7970 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7972 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7973 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7974 c_get_alias_set): Likewise.
7975 * c-decl.c (duplicate_decls): Likewise.
7976 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7977 * calls.c (initialize_argument_information): Likewise.
7978 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7980 * dwarfout.c (decl_class_context,output_type): Likewise.
7981 * expr.c (get_inner_reference): Likewise.
7982 * fold-const.c (simple_operand_p,fold): Likewise.
7983 * function.c (aggregate_value_p): Likewise.
7984 * stmt.c (expand_asm_operands): Likewise.
7985 * varasm.c (named_section): Likewise.
7987 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7989 Implement dwarf2 exception handling for the ARM.
7990 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7991 (DWARF_FRAME_RETURN_COLUMN): Define.
7992 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7993 REG_FRAME_RELATED_EXPR note.
7994 (emit_sfm): Likewise.
7995 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7996 * dwarf2out.c (reg_save): Handle saving a register to itself.
7997 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7998 * except.c (eh_regs): Don't use the static chain reg if it's
8000 * frame.h (frame_state): Add cfa_saved field.
8001 * frame.c (execute_cfa_insn): Set it.
8002 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
8004 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
8006 (instantiate_virtual_regs): Adjust.
8008 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8009 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8010 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
8012 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
8013 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
8015 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8017 * builtins.def: New file.
8019 * Makefile.in (TREE_H): Depend on builtins.def.
8021 * builtins.c (built_in_names): Use builtins.def.
8023 * tree.h (built_in_function): Likewise.
8025 2000-03-22 Mark Mitchell <mark@codesourcery.com>
8027 * tree.c (size_in_bytes): Return size_zero_node, not
8030 2000-03-22 Geoff Keating <geoffk@cygnus.com>
8032 * config/fp-bit.c (pack_d): Correct the case when a denormal
8033 is rounded up and stops being denormal.
8035 2000-03-21 Richard Henderson <rth@cygnus.com>
8037 * config/alpha/alpha.c (function_arg): Check for void_type_node
8038 before using MUST_PASS_IN_STACK.
8040 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8042 * regmove.c (combine_stack_adjustments_for_block): Check that
8043 the stack pointer is a valid memory address.
8045 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8047 * calls.c: re-install Mar 16 emit_library_call merge.
8049 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8051 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8052 we cannot be sure that if reload_completed base register will
8053 be properly aligned.
8055 2000-03-21 Richard Henderson <rth@cygnus.com>
8057 * flow.c (delete_block): Fix typo last change.
8059 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8061 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8062 not COMPLETE_TYPE_P, to check the type of the expression.
8064 2000-03-21 Michael Meissner <meissner@redhat.com>
8066 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8067 all floating point insns that just tested the macro
8068 TARGET_HAS_XFLOATING_LIBS.
8069 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8070 used to only use the gprs.
8072 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8074 * tree.h (COMPLETE_TYPE_P): New macro.
8075 (COMPLETE_OR_VOID_TYPE_P): New macro.
8076 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8077 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8078 * c-aux-info.c (gen_type): Use them.
8079 * c-common.c (c_expand_expr_stmt): Likewise.
8080 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8081 grokdeclarator, grokparms, finish_struct, start_function,
8082 store_parm_decls, combine_parm_decls): Likewise.
8083 * c-parse.y (cast_expr): Likewise.
8084 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8085 c_size_in_bytes, c_alignof, build_component_ref,
8086 build_indirect_ref, build_array_ref, convert_arguments,
8087 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8088 * calls.c (initialize_argument_information): Likewise.
8089 * convert.c (convert_to_integer): Likewise.
8090 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8091 * dwarfout.c (location_or_const_value_attribute,
8092 output_enumeration_type_die, output_structure_type_die,
8093 output_union_type_die, output_type): Likewise.
8094 * expr.c (safe_from_p, expand_expr): Likewise.
8095 * function.c (assign_parms): Likewise.
8096 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8097 * tree.c (build_array_type, build_function_type,
8098 build_method_type, build_offset_type, build_complex_type): Likewise.
8099 * c-parse.c, c-parse.h: Regenerated.
8101 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8103 * config/c4x/rtems.h: Include config/rtems.h.
8105 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8107 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8108 decl is a FUNCTION_DECL
8110 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8112 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8113 function uses output registers. Don't save RP for leaf functions.
8114 Do save RP even if no epilogue.
8115 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8116 (CALL_USED_REGISTERS): Unmark in registers.
8117 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8120 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8122 * config/rs6000/rs6000.md (bunordered): New expander.
8123 (bordered): New expander.
8124 (buneq): New expander.
8125 (bunge): New expander.
8126 (bungt): New expander.
8127 (bunle): New expander.
8128 (bunlt): New expander.
8129 (bltgt): New expander.
8131 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8132 (ccr_bit_negated_p): New function.
8133 (print_operand): For %C, generate appropriate cror for UNEQ,
8134 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8136 2000-03-20 Andreas Jaeger <aj@suse.de>
8138 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8141 * tree.h (safe_for_unsave): Prototype.
8143 2000-03-20 Richard Henderson <rth@cygnus.com>
8145 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8146 (combine_stack_adjustments_for_block): Don't allow sp references
8147 in the side of a set we're not fixing up.
8148 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8149 after life_analysis.
8151 2000-03-20 Richard Henderson <rth@cygnus.com>
8153 * calls.c (expand_call): Don't bother generating tail call
8154 sequences if there are pending cleanups. Use
8155 expand_start_target_temps/expand_end_target_temps to elide
8156 cleanups created during sibcall expansion.
8158 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8160 * configure.in: Set $IFS to a value if it doesn't already have one
8161 in the --enable-checking handling.
8162 * configure: Regenerate.
8164 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8166 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8167 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8170 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8172 * jump.c (delete_noop_moves): Remove code attempting to
8173 combine stack adjustments.
8175 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8177 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8178 * except.c (emit_cleanup_handler): Use them.
8179 (expand_end_all_catch): Likewise.
8180 * function.c (fixup_var_refs): Likewise.
8181 (expand_function_end): Clear catch_clauses_last.
8182 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8183 * except.h (struct eh_status): New field x_catch_clauses_last.
8184 (catch_clauses_last): New define.
8186 * Makefile.in (tree.o): Depend on HASHTAB_H.
8187 * tree.c: Include hashtab.h.
8188 (struct type_hash): Remove next field.
8189 (TYPE_HASH_SIZE): Remove.
8190 (TYPE_HASH_INITIAL_SIZE): New define.
8191 (type_hash_table): Change type to htab_t.
8192 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8193 mark_hash_entry): New functions.
8194 (init_obstacks): Allocate type hash.
8195 (type_hash_lookup): Use htab functions.
8196 (type_hash_add, mark_type_hash): Likewise.
8197 (dump_tree_statistics): Call print_type_hash_statistics.
8199 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8201 * rs6000/t-aix41: New file.
8203 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8205 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8207 * tm.texi (Driver): Fix typos and tweak entry for
8209 Move misplaced STRUCT_FORCE_BLK entry ...
8210 (Storage Layout): ... to here.
8211 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8213 2000-03-19 Richard Henderson <rth@cygnus.com>
8215 * flow.c (delete_block): Delete the addr_vec along with the block.
8216 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8219 * fold-const.c (extract_muldiv): Apply type check for defined
8220 overflow to multiply as well as divide.
8222 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8224 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8226 * emit-rtl.c (remove_unncessary_notes): Check that all
8227 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8228 associated NOTE_BLOCK.
8229 * function.h (identify_blocks): Update comments.
8230 (reorder_blocks): Declare.
8231 * function.c (identify_blocks): Don't take paramters.
8232 (reorder_blocks): Don't take parameters.
8233 * loop.h (find_loop_tree_blocks): Remove.
8234 (unroll_block_trees): Likewise.
8235 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8236 reorder_blocks instead of unroll_block_trees.h
8237 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8238 * stmt.c (find_loop_tree_blocks): Remove.
8239 (unroll_block_trees): Likewise.
8240 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8241 in whole-function mode.
8242 * tree.h (reorder_blocks): Remove declaration.
8244 * expr.c: Include intl.h.
8245 * Makefile.in (expr.o): Depend on intl.h.
8247 2000-03-18 Richard Henderson <rth@cygnus.com>
8249 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8251 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8253 * tree.h (tree_index): Remove enumerals for integer types.
8254 (integer_type_kind): New type.
8255 (integer_types): New variable.
8256 (char_type_node): Adjust.
8257 (signed_char_type_node): Likewise.
8258 (unsigned_char_type_node): Likewise.
8259 (short_integer_type_node): Likewise.
8260 (short_unsigned_type_node): Likewise.
8261 (integer_type_node): Likewise.
8262 (unsigned_type_node): Likewise.
8263 (long_integer_type_node): Likewise.
8264 (long_unsigned_type_node): Likewise.
8265 (long_long_integer_type_node): Likewise.
8266 (long_long_unsigned_type_node): Likewise.
8267 * tree.c (integer_types): New variable.
8268 (init_obstacks): Register it as a root.
8270 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8272 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8273 NEXT_INSN. Update last insn in chain.
8275 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8277 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8278 with TYPE_DECL_SUPPRESS_DEBUG set.
8280 2000-03-18 Richard Henderson <rth@cygnus.com>
8282 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8284 2000-03-18 Richard Henderson <rth@cygnus.com>
8286 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8287 care for HALF_PIC_P.
8288 (expander_call_insn_operand): Remove.
8289 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8290 * i386.h (PREDICATE_CODES): Update.
8291 * i386.md (all call expanders): Remove predicates, remove special
8292 handling for half-pic.
8293 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8294 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8295 (sibcall_epilogue): New.
8297 2000-03-17 Richard Henderson <rth@cygnus.com>
8299 * rtlanal.c (single_set): Reject if the parallel has anything
8300 except SET or USE or CLOBBER.
8302 2000-03-17 Jeff Law <law@cygnus.com>
8303 Richard Henderson <rth@cygnus.com>
8305 * Makefile.in (OBJS): Add sibcall.o.
8307 * sibcall.c: New file.
8308 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8309 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8310 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8311 Emit sibcall patterns when requested. Update all callers.
8312 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8313 elimination seems feasable.
8314 * final.c (leaf_function_p): Sibling calls don't discount being
8316 * flow.c (HAVE_sibcall_epilogue): Provide default.
8317 (find_basic_blocks_1): Sibling calls don't throw.
8318 (make_edges): Make edge from sibling call to EXIT.
8319 (propagate_block): Don't remove sibcall_epilogue insns.
8320 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8321 (sibcall_epilogue): New.
8322 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8323 (identify_blocks_1): Likewise. Break out from ...
8324 (identify_blocks): ... here.
8325 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8326 (reorder_blocks): ... here.
8327 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8328 (record_insns): Extend a varray instead of mallocing new memory.
8329 (contains): Read a varray not array of ints.
8330 (sibcall_epilogue_contains): New.
8331 (thread_prologue_and_epilogue_insns): Emit and record
8332 sibcall_epilogue patterns.
8333 (init_function_once): Allocate prologue/epilogue varrays.
8334 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8335 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8337 (save_for_inline_nocopy): ... here.
8338 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8340 (expand_inline_function): ... here.
8341 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8342 (subst_constants): Handle 'n' formats.
8343 * jump.c (jump_optimize_minimal): New.
8344 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8345 optimizations if it's set.
8346 * rtl.c (copy_rtx): Do copy jump & call for insns.
8347 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8348 (SIBLING_CALL_P): New.
8349 (sibcall_use_t): New.
8350 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8351 Invoke optimize_sibling_and_tail_recursive_calls.
8352 * tree.c (lang_safe_for_unsave): New.
8353 (safe_for_unsave): New.
8354 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8356 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8357 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8358 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8360 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8362 * objc/objc-act.c (encode_method_prototype): Pass types, not
8363 PARM_DECLs, to int_size_in_bytes.
8365 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8367 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8369 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8370 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8372 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8374 * Clean up usages of TREE_INT_CST_LOW.
8375 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8376 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8378 * c-tree.h (min_precision): Move declaration to here.
8379 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8380 (build_unary_op, add_pending_init): Use bit_position.
8381 (pending_init_member, process_init_element): Likewise.
8382 (really_start_incremental_init, push_init_level, pop_init_level):
8383 Don't make copies of nodes or modify them in place, use consistent
8384 types when tracking positions, and use tree routines computations.
8385 (set_init_index, output_init_element): Likewise.
8386 (output_pending_init_elements, process_init_element): Likewise.
8387 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8388 tree_low_cst and int_bit_position; also minor cleanup.
8389 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8390 (print_cst_octal): Precision is unsigned.
8391 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8392 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8393 (simple_type_align_in_bits): Result is unsigned int.
8394 Use tree_int_low_cst and host_integerp.
8395 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8396 (field_byte_offset): Result is HOST_WIDE_INT.
8397 Change types of internal variables so alignments are unsigned int,
8398 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8399 Use host_integerp, tree_low_cst, and int_bit_position.
8400 (add_bit_offset_attribute): Likewise.
8401 (add_data_member_location_attribute): Use tree_cst_low.
8402 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8403 (add_bit_size_attribute): Use tree_low_cst.
8404 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8405 * dwarfout.c: Similar changes to dwarf2out.c.
8406 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8407 * genoutput.c (n_occurences): Return -1 for null string.
8408 (strip_whitespace): Accept null string and make into function.
8409 (scan_operands): Reflect above changes.
8410 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8411 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8412 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8413 * tree.c (int_size_in_bytes): Check for too big to represent.
8414 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8415 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8417 (min_precision): Delete from here.
8418 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8419 and int_bit_position.
8420 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8421 (encode_method_def): Likewise.
8422 (build_ivar_list_initializer): Use int_bit_position.
8423 (generate_shared_structures): Convert size.
8424 (encode_type, encode_complete_bitfield): Use integer_zerop.
8425 (encode_bitfield): Use tree_low_cst and int_bit_position.
8427 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8429 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8431 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8433 * call.c (special_function_p): It is only malloc if it returns
8436 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8438 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8439 (C33_FLAG, TARGET_C3X): Add macros.
8440 (TARGET_SWITCHES): Add -m33 option.
8441 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8443 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8445 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8446 (PARALLEL_PACK_FLAG): Delete.
8447 (TARGET_SWITCHES): Update.
8448 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8450 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8452 * fold-const.c (fold): Fix a few cases when the returned result
8453 is not of the same type as the input.
8455 2000-03-16 Nick Clifton <nickc@cygnus.com>
8457 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8460 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8462 * libgcc2.h: Move prototypes above macros with the same name.
8463 Wrap some function prototypes in the conditional which indicates
8464 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8466 2000-03-16 Richard Henderson <rth@cygnus.com>
8468 * calls.c: Revert last two changes.
8470 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8472 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8473 has exponent 0 is a zero.
8475 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8476 HASH may already be nonzero. Add code/mode into hash value
8477 immediately after repeat label.
8478 (cselib_lookup): Don't leave the hash table in an inconsistent
8479 state before a hash lookup operation.
8481 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8483 * i386.md (all HI and QI mode non-move patterns): Conditionize
8484 by TARGET_[HQ]IMODE_MATH.
8485 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8486 x86_promote_qi_regs): Declare.
8487 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8488 TARGET_PROMOTE_QI_REGS): New macros.
8489 (PROMOTE_MODE): New macro.
8490 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8491 x86_promote_qi_regs): New global variables.
8493 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8495 * calls.c (emit_library_call_value_1): Break out from ...; handle
8496 VOIDmode function calls too.
8497 (emit_library_call_value): ... here.
8498 (emit_library_call): Implement by calling emit_library_call_value_1.
8500 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8502 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8503 Update arg_space_so_far on stack adjustments.
8504 (emit_library_call, emit_library_call_value): Likewise; take into
8505 account arg_space_so_far and pending_stack_adjust when calculcating
8508 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8510 * flow.c: Move all basic block reordering code into its own file.
8511 (create_basic_block): Externalize.
8512 * bb-reorder.c: New file. Copy all basic block reordering code from
8513 flow.c to this file.
8514 (reorder_basic_blocks): Fix fencepost error in for-loop.
8515 (reorder_basic_blocks): Remove braces from single statement for-loops.
8516 * basic-block.h: Add declaration for create_basic_block.
8517 * Makefile.in: Add rules for bb-reorder.o.
8519 2000-03-16 Neil Booth <NeilB@earthling.net>
8521 * cppinit.c (handle_option): Implement #unassert directive
8522 as -A- command line option.
8523 (print_help): Update.
8524 * cpptexi.c: Update.
8526 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8528 * md.texi (Standard Names): Document `jump'.
8530 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8532 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8535 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8537 Merge changes from newppc-branch onto trunk.
8539 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8541 * rs6000.c (toc_hash_table): Update for new hash table functions.
8542 (toc_hash_function): Likewise.
8543 (toc_hash_eq): Likewise.
8544 (toc_hash_mark_entry): Likewise.
8545 (toc_hash_mark_table): Likewise.
8546 (output_toc): Likewise.
8547 (rs6000_add_gc_roots): Likewise.
8549 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8551 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8552 (AR_FLAGS_FOR_TARGET): here. New macro.
8554 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8556 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8557 fpmem_operand) Delete.
8559 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8560 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8561 (rs6000_save_machine_status, rs6000_restore_machine_status,
8562 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8563 references to above variables.
8564 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8565 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8566 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8567 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8568 (XER_REGNO_P, XER_REGNO): New.
8569 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8570 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8571 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8573 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8574 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8575 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8577 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8579 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8580 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8581 * rs6000.h: from here.
8583 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8584 (rs6000_select_rtx_section): Likewise.
8585 (rs6000_encode_section_info): Likewise.
8586 (sdata_section): Likewise.
8587 (sdata2_section): Likewise.
8588 (sbss_section): Likewise.
8589 * sysv4.h (rs6000_select_section): Delete prototype.
8590 (rs6000_select_rtx_section): Likewise.
8591 (rs6000_encode_section_info): Likewise.
8592 (sdata_section): Likewise.
8593 (sdata2_section): Likewise.
8594 (sbss_section): Likewise.
8595 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8597 * sysv4.h: Delete various unnecessary #undef's and put a comment
8598 on the remaining ones.
8599 Change various comments according to coding standard.
8601 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8603 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8604 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8605 (CR0_REGNO_P) Remove.
8606 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8607 setup_incoming_varargs, mtcrf_operation, print_operand,
8608 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8609 Use the above macros.
8611 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8613 * config/rs6000/rs6000.md: Added a new alternative for each
8614 pattern that had a 'x' alternative but no 'y' alternative.
8615 Added a new split for each of the above patterns.
8617 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8619 * aix41.h (ASM_CPU_SPEC): Delete.
8620 (CPP_CPU_SPEC): Delete.
8622 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8623 (ASM_OUTPUT_LABEL): Define.
8624 (ASM_GLOBALIZE_LABEL): Define.
8625 (STRIP_NAME_ENCODING): Define.
8626 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8627 (STRIP_NAME_ENCODING): Don't define.
8628 (ASM_OUTPUT_LABEL): Don't define.
8629 (ASM_GLOBALIZE_LABEL): Don't define.
8630 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8631 names, and ASM_OUTPUT_LABEL to output labels, rather than
8633 (ASM_OUTPUT_LABEL): Define.
8634 (ASM_OUTPUT_INT): Use assemble_name.
8635 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8636 (STRIP_NAME_ENCODING): Don't undefine first.
8637 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8639 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8640 specified with 'asm' even with -fleading-underscore.
8641 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8642 (output_epilog): Likewise.
8643 (output_toc): Likewise.
8644 * tramp.asm: Handle -fleading-underscore correctly.
8646 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8648 (nonlocal_goto_receiver): Delete.
8649 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8651 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8652 (SET_ASM_OP): Define.
8653 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8655 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8658 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8659 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8661 * rs6000.h: Add 'u' to more constants.
8663 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8665 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8667 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8669 * rs6000.c (reg_or_u_cint_operand): New function.
8670 (logical_operand): Handle 64-bit hosts.
8671 (logical_u_operand): New function.
8672 (non_logical_cint_operand): Handle 64-bit hosts.
8673 (non_logical_u_cint_operand): New function.
8674 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8675 (PREDICATE_CODES): Define new functions.
8676 * rs6000-protos.h: Declare new functions.
8677 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8678 (movdi_64): Bracket code intended for 64-bit hosts. Create
8679 CONST_DOUBLE for 32-bit values.
8680 (scc insns): Generate DImode compares.
8681 (mfcr insns): Create DImode versions.
8682 (sge matchers): New patterns.
8684 2000-02-15 Gabriel Paubert <paubert@iram.es>
8686 * rs6000.md: Correct instructions length attributes and
8687 constraints on unsigned compare instructions.
8688 (*ne0): Disable for PowerPC64.
8690 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8692 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8693 quantity, fix profile1.C test failure under -fPIC.
8695 * rs6000.c: Add 'u' to many constants to suppress warnings.
8696 (constant_pool_expr_1): Make static.
8697 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8698 * rs6000.h: Add 'u' to many constants to suppress warnings.
8700 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8701 for the start of the TOC, instead of LCTOC..0.
8702 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8704 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8705 (load_toc_aix_di): Use LCTOC..1.
8707 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8708 * rs6000.c (rs6000_legitimize_address): New function from
8709 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8710 symbols in the constant pool that really are TOC references.
8711 (print_operand_address): For ELF, write TOC offsets under
8712 -fPIC as subtractions in the insn.
8713 (output_toc): For ELF, define symbols in TOC as normal labels,
8715 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8716 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8717 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8718 * rs6000.md (movsi): Only use create_TOC_reference on
8719 symbols in the constant pool that really are TOC references.
8721 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8722 * rs6000.c (rs6000_reorg): Delete.
8723 * rs6000-protos.h (rs6000_reorg): Delete.
8725 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8727 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8729 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8730 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8731 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8732 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8733 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8734 rs6000_aix_emit_builtin_unwind_init.
8735 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8736 rs6000_emit_eh_toc_restore on AIX.
8737 (return_eh_si): Use r2.
8738 (return_eh_di): Use r2.
8740 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8741 since we're breaking binary compatibility anyway.
8743 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8745 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8746 constant_pool_expr_p): Declare them.
8747 (constant_pool_expr_p): Declare it.
8748 * config/rs6000/rs6000.c (toc_label_name): Define.
8749 (rs6000_override_options): Set toc_label_name.
8750 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8751 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8752 uses_TOC): New functions.
8753 (print_operand): Delete old '*' case.
8754 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8755 and strip off rtl for TOC before calling output_addr_const.
8756 (rs6000_emit_load_toc_table): Use toc_label_name.
8757 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8759 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8760 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8761 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8762 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8763 into explicit TOC_REGISTER offsets.
8764 (TOC_REGISTER): New macro.
8765 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8766 TARGET_TOC to reference TOC_REGISTER.
8767 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8768 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8769 uses_TOC before emitting label references.
8771 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8773 * rs6000.md (stack_tie): Fix warning.
8775 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8776 to handle -fleading-underscore.
8777 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8778 (USER_LABEL_PREFIX): New macro.
8779 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8780 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8781 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8782 call-linux can use the same multilibs.
8783 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8784 and call-linux multilibs. Do multilib with -fleading-underscore.
8785 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8786 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8789 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8790 have MASK_SOFT_FLOAT set.
8791 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8792 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8793 CPP_FLOAT_DEFAULT_SPEC.
8795 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8796 * rs6000.md: Whitespace change.
8797 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8798 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8800 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8802 * rs6000.md (eh_epilogue): New expander.
8803 (eh_reg_restore): New expand/split/insn combination.
8804 (return_eh_si): New insn.
8805 (return_eh_di): New insn.
8807 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8808 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8809 * eabi-ctors.c (__do_global_ctors): Register this object's
8810 frame. Clean up. Call atexit() after the constructors.
8811 (__do_global_dtors): Deregister this object's frame. Clean up.
8812 Allow for recursive calls to exit().
8813 * rs6000.c (fixuplabelno): New variable.
8814 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8815 TARGET_RELOCATABLE, it slows down exec() under linux.
8816 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8818 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8819 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8820 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8821 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8822 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8823 (ASM_OUTPUT_DWARF_ADDR): New macro.
8824 (ASM_OUTPUT_DWARF_DATA4): New macro.
8825 (ASM_OUTPUT_DWARF_DATA2): New macro.
8826 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8827 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8828 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8830 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8832 * rs6000.c (rs6000_sr_alias_set): New variable.
8833 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8834 (rs6000_emit_stack_tie): New function.
8835 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8836 in a way that dwarf2out can understand.
8837 (rs6000_frame_related): New function.
8838 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8839 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8840 Use rs6000_emit_stack_tie when needed.
8841 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8842 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8843 * rs6000.md (stack_tie): New insn.
8844 (return_internal_si): Allow return value to be in the count
8846 (return_internal_di): Likewise.
8848 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8850 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8852 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8854 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8856 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8858 * rs6000.md (stmw): Use the right POWER opcode.
8861 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8863 * rs6000-protos.h: New file.
8865 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8867 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8870 * sysv4.h: Likewise.
8872 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8874 * ../../configure.in: Delete powerpcle-*-winnt*
8875 and powerpcle-*-pe|powerpcle-*-cygwin*.
8876 * ../../configure: Regenerated.
8878 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8879 (TARGET_WINDOWS_NT): Delete.
8881 (CALL_NT_DLLIMPORT): Delete.
8882 Delete NT-specific code.
8883 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8886 * nt-ci.asm: Delete.
8887 * nt-cn.asm: Delete.
8888 * ntstack.asm: Delete.
8890 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8892 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8893 (ASM_FILE_START): Likewise.
8894 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8895 (ASM_OUTPUT_LABELREF): Likewise.
8896 (ASM_OUTPUT_SKIP): Likewise.
8897 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8898 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8899 (ASM_OUTPUT_CASE_LABEL): Likewise.
8900 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8901 (ASM_OUTPUT_ASCII): Likewise.
8903 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8905 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8906 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8907 increment rs6000_pic_labelno here.
8908 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8909 and increment rs6000_pic_labelno here.
8911 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8913 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8914 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8915 allocation knows (reg) is dead before the insn.
8917 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8919 * rs6000.md (movsi_to_cr): Correct typo in output template.
8921 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8923 * rs6000.c (rs6000_pic_labelno): Always define.
8924 (rs6000_pic_func_labelno): Delete.
8925 (lmw_operation): Check for a zero base register,
8926 which doesn't mean what we want.
8927 (stmw_operation): New function.
8928 (print_operand): Define new 'l' modifier.
8929 (rs6000_stack_info): We must save all 64 bits of the registers
8930 if TARGET_POWERPC64.
8931 (rs6000_output_load_toc_table): Delete.
8932 (rs6000_emit_load_toc_table): New function.
8933 (rs6000_allocate_stack_space): Delete.
8934 (rs6000_emit_allocate_stack): New function.
8935 (rs6000_emit_prologue): New function.
8936 (output_prolog): Use rs6000_emit_prologue.
8937 (rs6000_emit_epilogue): Change a few variable names to be
8938 more accurate. Restore all 64 bits of the registers if
8939 TARGET_POWERPC64. Only restore the FP registers which were used
8940 if they are being saved/restored one-at-a-time.
8941 (output_mi_thunk): Delete inefficient code generation.
8942 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8943 * rs6000.h: Declare rs6000_emit_load_toc_table,
8944 rs6000_allocate_stack_space, stmw_operation. Don't declare
8945 rs6000_output_load_toc_table.
8946 * rs6000.md (elf_high): Allow register 0, but discourage it
8948 (elf_low): Support loading into register 0.
8949 (load_toc_aix_si): New pattern.
8950 (load_toc_aix_di): New pattern.
8951 (load_toc_v4_pic_si): New pattern.
8952 (load_toc_v4_pic_di): New pattern.
8953 (load_toc_v4_PIC_1): New pattern.
8954 (load_toc_v4_PIC_1b): New pattern.
8955 (load_toc_v4_PIC_2): New pattern.
8956 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8957 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8958 (prologue): New expander.
8959 (movesi_from_cr): New pattern.
8960 (stmw): New pattern.
8961 (save_fpregs_si): New pattern.
8962 (save_fpregs_di): New pattern.
8964 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8966 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8971 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8973 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8975 (movsi_got_internal): Likewise.
8976 (movsi_got_internal+1): Likewise.
8977 (set_sp): 'unspec 7' does a SImode clobber.
8979 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8981 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8982 allocate a stack temporary.
8983 (floatsidf2_internal): Likewise.
8984 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8986 (floatunssidf2): Don't use the fpmem "register", just
8987 allocate a stack temporary.
8988 (floatunssidf2_internal): Likewise.
8989 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8991 (floatsidf2_loadaddr): Delete.
8992 (floatsidf2_store1): Delete.
8993 (floatsidf2_store2): Delete.
8994 (floatsidf2_load): Delete.
8995 (fix_truncdfsi2): Don't use the fpmem "register", just
8996 allocate a stack temporary.
8997 (fix_truncdfsi2_internal_si): Delete.
8998 (fix_truncdfsi2_internal_di): Delete.
8999 (fix_truncdfsi2_internal): New insn.
9000 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
9001 (fix_truncdfsi2_store): Delete.
9002 (fix_truncdfsi2_load): Delete.
9003 (fctiwz): Produce gen_fctiwz.
9005 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9007 * eabi.h (INVOKE__main): Define.
9008 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
9010 (rs6000_emit_prologue): Likewise.
9011 * rs6000.h (struct rs6000_stack): Don't keep track of whether
9012 this is the main program.
9014 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9016 * rs6000.c (rs6000_va_arg): Delete some unused variables.
9018 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9020 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
9021 goes after the argument.
9023 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9025 * rs6000.md: Document 'unspec' values used.
9026 (epilogue): New expander.
9027 (movesi_to_cr_one): New expander.
9028 (movesi_to_cr and following): New pattern.
9030 (return_internal_si): New pattern.
9031 (return_internal_di): New pattern.
9032 (return_and_restore_fpregs_si): New pattern.
9033 (return_and_restore_fpregs_di): New pattern.
9034 * rs6000.h: Declare new functions.
9035 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
9036 rather than rs6000_calls_p.
9037 (rs6000_makes_calls): Delete.
9038 (lmw_operation): New function.
9039 (mtcrf_operation): New function.
9040 (rs6000_emit_epilogue): New function.
9041 (output_epilog): Call rs6000_emit_epilogue and final if
9042 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9044 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9046 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9047 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9048 * aix.h (SUBTARGET_SWITCHES): Document switches.
9049 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9050 sched-prolog and sched-epilog the same. Document all the
9052 (TARGET_OPTIONS): No longer allow -mdebug-.
9054 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9056 * rs6000.h (ASM_FILE_END): Move to aix.h.
9057 (EXTRA_SECTIONS): Move to aix.h.
9058 (READONLY_DATA_SECTION): Move to aix.h.
9059 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9060 (SELECT_SECTION): Move to aix.h.
9061 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9062 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9063 (LINK_REGISTER_REGNUM): New definition.
9064 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9065 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9067 * sysv4.h: Delete the code between the inclusion of rs6000.h
9069 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9070 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9071 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9072 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9073 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9074 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9075 (fix_truncdfsi2_internal_di): New pattern.
9076 (fix_truncdfsi2_store): The second arg here is Pmode too.
9077 (fix_truncdfsi2_load): The second arg here is Pmode too.
9078 (tablejumpdi): Now that switch tables hold only SImode values,
9079 gcc needs to know how to add them to the pc which is DImode.
9080 * rs6000.c (rs6000_stack_info): Use symbolic name for
9081 LINK_REGISTER_REGNUM.
9082 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9083 (output_toc): Delete unused variables s1 and s2.
9084 (output_ascii): Use fputs not fprintf on a variable string.
9086 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9088 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9089 * aix43.h: Revert Aug 2 change.
9090 (HAS_INIT_SECTION): Define, not visible yet.
9091 (LD_INIT_SWITCH): Define, not visible yet.
9092 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9094 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9096 * config/rs6000/rtems.h: Include config/rtems.h.
9098 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9100 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9101 (SLOW_UNALIGNED_ACCESS): Define.
9102 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9103 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9104 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9105 (toc_section): Likewise and .toc pseudo-op.
9106 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9108 (TEXT_SECTION_ASM_OP): Likewise.
9109 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9112 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9114 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9115 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9118 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9120 * rs6000.h: Move more stuff from here...
9122 * sysv4.h: Cleanup accordingly.
9123 * netware.h: Likewise
9125 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9127 * rs6000.h: Continue cleanup.
9130 * netware.h: Likewise.
9132 * sysv4.h: Likewise.
9133 * win-nt.h: Likewise.
9135 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9136 (TARGET_OPTIONS): Likewise.
9138 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9139 (SUBTARGET_OPTIONS): Likewise.
9141 * rs6000.md: Fix compile time warnings.
9143 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9145 vxworks patches from the Cygnus tree originally by
9146 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9147 <vmakarov@cygnus.com>.
9148 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9149 (ENDFILE_SPEC): Likewise.
9150 (LIB_VXWORKS_SPEC): New macro.
9151 (STARTFILE_VXWORKS_SPEC): New macro.
9152 (ENDFILE_VXWORKS_SPEC): New macro.
9153 (LINK_START_VXWORKS_SPEC): New macro.
9154 (LINK_OS_VXWORKS_SPEC): New macro.
9155 (CPP_OS_VXWORKS_SPEC): New macro.
9156 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9157 * vxppc.h: Rewrite to use proper configuration method.
9158 * vxppcle.h: New file.
9159 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9160 * ../../configure: Rebuilt.
9162 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9164 Lots of changes to rs6000.h, sysv4.h, aix.h,
9165 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9166 with the aim that rs6000.h is the first header
9167 included and the others override it.
9170 * x-aix41-gld: Remove.
9172 * x-aix41: Remove target-specific switches, and don't specify
9173 -Wl,-bbigtoc as we don't need it any more.
9174 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9175 Use t-aix43 for AIX 4.3 and above.
9176 * ../../configure: Regenerated.
9178 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9179 options, that don't do anything yet.
9180 (MASK_SCHED_PROLOG): New macro.
9181 (MASK_SCHED_EPILOG): New macro.
9182 (TARGET_SCHED_PROLOG): New macro.
9183 (TARGET_SCHED_EPILOG): New macro.
9185 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9187 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9188 one per translation unit, not one per function.
9189 (output_toc): Also do duplicate constant elimination
9190 for per-translation-unit TOCs.
9192 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9193 a comment explaining _exactly_ when this pattern gets used.
9194 (builtin_setjmp_receiver): New pattern for better clarity.
9195 (init_v4_pic): Move it into a section dealing with TOC registers.
9197 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9199 * rs6000.c (toc_hash_table): New variable.
9200 (rs6000_hash_constant): New function.
9201 (toc_hash_function): New function.
9202 (toc_hash_eq): New function.
9203 (toc_hash_mark_entry): New function.
9204 (toc_hash_mark_table): New function.
9205 (output_toc): Don't output duplicate TOC entries in
9207 (rs6000_add_gc_roots): Add the hash table as a GC root.
9208 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9209 where they clearly shouldn't be. This may need to be fixed
9210 later when there is a GNU ar for AIX.
9211 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9212 Don't define BOOT_LDFLAGS as it is now not necessary.
9214 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9216 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9217 for va_list on AIX. Use unsigned_char_type_node rather than
9218 constructing our own version on svr4.
9220 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9222 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9223 since patently it's not.
9225 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9227 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9228 define_expand/define_insn pair, and handle restore of the
9229 SVR4 -fpic register.
9231 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9233 * acconfig.h (HAVE_GAS_WEAK): New define.
9234 * configure.in (assembler weak support): Check for .weak support.
9235 * config.in, configure: Rebuilt.
9236 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9237 HAVE_GAS_WEAK is defined.
9239 2000-03-15 Nick Clifton <nickc@cygnus.com>
9241 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9244 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9246 * cppfiles.c (open_include_file): New function.
9247 (find_include_file, cpp_read_file): Use it.
9249 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9251 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9253 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9255 * flow.c (verify_flow_info): Check for unconditional return.
9257 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9259 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9260 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9261 (__ia64_restore_stack_nonlocal): New.
9262 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9264 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9266 * cpphash.c (collect_formal_parameters): Do not complain about
9267 parameter names that just start with `__VA_ARGS__'.
9269 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9271 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9272 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9273 * i386.c (pentiumpro_cost): Set mul cost to 4.
9274 (x86_use_movx): Set for PPro.
9276 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9278 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9279 STACK_BOUNDARY for empty frames now.
9281 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9283 * stor-layout.c (layout_union): Remove.
9284 (layout_union_field): New function, split out from layout_union.
9285 (finish_union_layout): Likewise.
9286 (layout_field): Handle unions by calling layout_union_field.
9287 (finish_record_layout): Handle unions.
9288 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9289 QUAL_UNION_TYPE handling.
9291 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9293 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9294 end of basic block is jump_insn, not barrier; use create_basic_block
9295 instead of creating basic block by hand.
9297 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9299 * flow.c (reorder_basic_blocks): Account for barriers when writing
9300 over NEXT_INSN (last_bb->end).
9301 (verify_flow_info): Add check for missing barriers.
9303 2000-03-14 Greg McGary <gkm@gnu.org>
9305 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9306 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9307 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9308 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9309 __unbounded, __unbounded__): New keywords.
9310 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9311 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9312 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9314 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9316 * cselib.h: New file.
9317 * alias.c: Include "cselib.h".
9318 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9319 MEMs as two new arguments.
9320 (get_addr): New static function.
9321 (find_base_term): Handle VALUEs.
9322 (memrefs_conflict_p): Likewise.
9323 (true_dependence): Call get_addr on the addresses.
9324 Call fixed_scalar_and_varying_struct_p with addresses that have been
9325 passed through get_addr and canon_rtx.
9326 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9327 with true_dependence.
9328 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9329 * loop.c: Include "cselib.h".
9330 (load_mems): Process extended basic block that enters the loop with
9331 cselib. Use that information to change initialization of the shadow
9332 register so that a constant equivalence is seen by later passes.
9333 * reload1.c: Include "cselib.h".
9334 (reload_cse_invalidate_regno): Delete function.
9335 (reload_cse_mem_conflict_p): Likewise.
9336 (reload_cse_invalidate_mem): Likewise.
9337 (reload_cse_invalidate_rtx): Likewise.
9338 (reload_cse_regno_equal_p): Likewise.
9339 (reload_cse_check_clobber): Likewise.
9340 (reload_cse_record_set): Likewise.
9341 (reg_values): Delete static variable.
9342 (invalidate_regno_rtx): Likewise.
9343 (reload_cse_delete_noop_set): New static function.
9344 (reload_cse_simplify): New static function, broken out of
9346 (reload_cse_noop_set_p): Delete unused argument INSN.
9347 Just call rtx_equal_for_cselib_p on set source and destination.
9348 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9349 reload_cse_delete_noop_set. Delete code to keep track of values; use
9350 cselib functions instead. Delete code to push/pop obstacks.
9351 (reload_cse_simplify_set): Use cselib to find equivalent values.
9352 Delete code to push/pop obstacks.
9353 (reload_cse_simplify_operands): Likewise.
9354 * rtl.def (VALUE): New rtx code.
9355 * rtl.h (union rtunion_def): New elt rt_cselib.
9356 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9357 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9358 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9359 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9360 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9361 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9362 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9363 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9364 cselib_record_set, cselib_record_sets): New static functions.
9365 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9366 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9367 references_value_p): New functions.
9368 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9369 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9370 n_useless_values, reg_values, callmem, cselib_obstack,
9371 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9372 New static variables.
9373 * varray.h (union varray_data_tag): New elt te.
9374 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9375 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9378 2000-03-14 Nick Clifton <nickc@cygnus.com>
9380 * gcc.c (do_spec_1): Catch the case where %* is used in a
9381 substitution pattern, but it has not been initialised.
9382 Issue a meaningful error message if an unrecognised operator
9383 is encountered in a spec string.
9385 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9387 * function.c (prepare_function_start): Correctly initialize
9388 cfun->stack_alignment_needed.
9390 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9392 * cppfiles.c (find_include_file): Don't assume nshort is a
9395 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9397 * configure.in (hppa configurations): Add pa32-regs.h to the
9398 list of tm files as appropriate.
9399 * configure: Rebuilt.
9400 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9402 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9403 (fmpyaddoperands, fmpysuboperands): Likewise.
9404 * pa.h: Remove various definitions which depend on knowing
9405 how registers are numbered.
9406 * pa32-regs.h: New file with PA32 register numbering specific
9409 2000-03-14 Richard Henderson <rth@cygnus.com>
9411 * regmove.c (combine_stack_adjustments): New.
9412 (stack_memref_p, single_set_for_csa): New.
9413 (free_csa_memlist, record_one_stack_memref): New.
9414 (try_apply_stack_adjustment): New.
9415 (combine_stack_adjustments_for_block): New.
9416 * rtl.h (combine_stack_adjustments): Declare.
9417 * toplev.c (rest_of_compilation): Call it.
9419 * i386.md: Revert 2000-01-16 change.
9421 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9423 * gccbug.in: Add web category, gcc specific classes.
9425 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9427 * stor-layout.c (finalize_record_size): Fix typo.
9429 2000-03-14 Stan Shebs <shebs@apple.com>
9431 * c-typeck.c (c_alignof): Error on incomplete types.
9432 * extend.texi (Alignment): Document this.
9434 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9436 * cppfiles.c: Include mkdeps.h.
9437 (find_include_file, read_include_file): Remove _cpp_ prefix
9438 from name, make static.
9439 (_cpp_execute_include): New function, broken out of
9442 * cpplib.c: Don't include mkdeps.h.
9443 (struct directive): Remove type field. Reorder entries. The
9444 function takes only one argument.
9445 (struct if_stack): Make type field an int.
9446 (directive_table): Rename to dtable. Generate it, the
9447 prototypes of the directive handlers, and the enum for the
9448 directive numbers, from a template macro.
9449 (do_ifndef, do_include_next, do_import): New functions.
9450 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9451 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9452 do_ident, do_assert, do_unassert, do_sccs): Take only one
9454 (do_sccs): Define always, but alter behavior based on
9456 (_cpp_handle_directive, consider_directive_while_skipping):
9457 Restructure for new directive table layout.
9459 (pass_thru_directive): Take a directive number, not a pointer
9460 to a struct directive.
9461 (parse_include): New function, broken out of do_include.
9462 (do_include, do_import, do_include_next): Use parse_include
9463 and _cpp_execute_include.
9464 (do_elif, do_else): Test for T_ELSE specifically when checking
9465 for #elif/#else after #else.
9466 (parse_ifdef): New function, broken out of do_ifdef.
9467 (validate_else): Expect a name arg without a leading #.
9468 (if_directive_name): Delete.
9469 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9470 directive handlers with only one argument.
9472 * cpphash.h: Update prototypes.
9473 (enum node_type): Remove entries for directives.
9474 * Makefile.in: Update dependencies.
9476 * cpphash.c (dump_hash_helper): Only dump nodes of type
9477 T_MACRO. Emit a newline after each definition.
9479 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9481 * gccbug.in: New file.
9482 * configure.in (all_outputs): Add gccbug.
9483 * Makefile.in (install-common): Install gccbug.
9484 (GCCBUG_INSTALL_NAME): New variable.
9485 * configure: Rebuilt.
9487 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9489 * function.c (put_var_into_stack): Use type_for_mode to calculate
9490 part_type. Use MEM_SET_IN_STRUCT_P.
9491 * expr.c (store_field): Handle CONCAT.
9492 (store_constructor): Use fields_length.
9493 * tree.c (fields_length): New fn.
9494 * tree.h: Declare it.
9496 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9498 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9499 (cpplex.o): New target.
9500 * po/POTFILES.in: Add cpplex.c.
9502 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9503 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9504 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9505 skip_block_comment, skip_line_comment, skip_comment,
9506 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9507 _cpp_parse_name, skip_string, parse_string,
9508 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9509 _cpp_get_directive_token, find_position,
9510 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9511 (maybe_macroexpand, _cpp_lex_token): New functions.
9513 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9514 parse_goto_mark): Delete.
9515 (_cpp_handle_eof): New function.
9516 (_cpp_handle_directive): Rename from handle_directive.
9517 (_cpp_output_line_command): Rename from output_line_command.
9518 (do_if, do_elif): Call _cpp_parse_expr directly.
9519 * cppfiles.c (_cpp_read_include_file): Don't call
9520 init_input_buffer here.
9521 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9522 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9523 here; pop the token_buffer and skip the rest of the line here.
9524 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9527 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9529 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9530 CPP_GOTO_MARK): New macros.
9531 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9532 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9533 _cpp_read_and_prescan, _cpp_init_input_buffer,
9534 _cpp_grow_token_buffer, _cpp_get_directive_token,
9535 _cpp_handle_directive, _cpp_handle_eof,
9536 _cpp_output_line_command): Prototype them here.
9537 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9538 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9539 quote_string, output_line_command): Remove.
9541 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9543 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9544 whether it is too large we must also verify that it isn't negative.
9546 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9548 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9549 (movsi_zero_liveg0): Remove.
9550 (movsf_insn_novis_liveg0): Remove.
9552 (negsi2_not_liveg0): Rename to negsi2.
9553 (one_cmplsi2): Remove.
9554 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9555 (one_cmplsi2_liveg0): Remove.
9556 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9557 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9558 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9559 (PREDICATE_CODES): Remove zero_operand.
9560 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9561 TARGET_BROKEN_SAVERESTORE.
9562 (zero_operand): Remove.
9563 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9564 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9566 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9567 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9568 TARGET_BROKEN_SAVERESTORE): Remove.
9569 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9571 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9573 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9576 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9578 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9580 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9581 truncating a string. Don't assume tokens are nul terminated.
9582 Problem noted by Andreas Jaeger <aj@suse.de>
9584 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9586 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9587 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9588 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9590 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9592 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9593 STRUCTURE_SIZE_BOUNDARY.
9595 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9597 * tree.h (record_layout_info_s): New structure.
9598 (record_layout_info): New type.
9599 (new_record_layout_info): New function.
9600 (layout_field): Likewise.
9601 (finish_record_layout): Likewise.
9602 * stor-layout.c (layout_record): Remove.
9603 (new_record_layout_info): New function.
9604 (layout_field): New function, broken out from layout_record.
9605 (finalize_record_size): Likewise.
9606 (compute_record_mode): Likewise.
9607 (finalize_type_size): New function, broken out from layout_type.
9608 (finish_record_layout): Likewise.
9609 (layout_type): Use them.
9611 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9613 * cpphash.c: Don't include version.h.
9614 (special_symbol) [case T_VERSION]: Look for the string in
9615 hp->value.cpval; don't use version_string.
9616 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9617 __VERSION__ to version_string.
9618 * Makefile.in (cpphash.o): Update deps.
9620 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9622 Convert cpplib to use libiberty/hashtab.c.
9624 * cpplib.h (struct cpp_reader): Make hashtab and
9625 all_include_files of type 'struct htab *'. Delete HASHSIZE
9626 and ALL_INCLUDE_HASHSIZE macros.
9628 * cpphash.h: Update prototypes.
9629 (struct hashnode): Remove next, prev, and bucket_hdr members.
9630 Make length a size_t. Add hash member.
9631 (struct ihash): Remove next member. Add hash member. Make
9632 name a flexible array member.
9634 * cppfiles.c: Include hashtab.h.
9635 (include_hash): Delete.
9636 (IHASHSIZE): New macro.
9637 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9638 (cpp_included): Do the hash lookup here.
9639 (_cpp_find_include_file): Rewrite.
9640 (cpp_read_file): Put the "fake" hash entry into the hash
9641 table. Honor the control_macro, if it turns out we've seen
9642 the file before. Don't push the buffer here.
9643 (_cpp_read_include_file): Push the buffer here.
9644 (OMODES): New macro. Use it whenever we call open(2).
9646 * cpphash.c: Include hashtab.h.
9647 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9648 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9649 _cpp_lookup_slot): New functions.
9650 (HASHSIZE): new macro.
9651 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9652 (_cpp_lookup): Use hashtab.h routines.
9654 * cppinit.c: Include hashtab.h.
9655 (cpp_reader_init): Call _cpp_init_macro_hash and
9656 _cpp_init_include_hash. Don't allocate hashtab directly.
9657 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9658 pfile->all_include_files.
9659 (initialize_builtins): Use _cpp_make_hashnode and
9660 htab_find_slot to add hash entries.
9661 (cpp_finish): Just call _cpp_dump_macro_hash.
9662 * cpplib.c: Include hashtab.h.
9663 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9664 create hash entries.
9665 (do_pragma_poison, do_assert): Likewise.
9666 (do_include): Don't push the buffer here. Don't increment
9667 system_include_depth unless _cpp_read_include_file succeeds.
9668 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9670 (do_pragma_implementation): Use alloca to create copy.
9672 * Makefile.in: Update dependencies.
9674 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9676 * cppinit.c (cl_directive_handler): More K&R fixing.
9678 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9680 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9682 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9684 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9686 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9687 Change from char[] to macros.
9689 2000-03-12 Neil Booth <NeilB@earthling.net>
9691 * cppinit.c (cpp_start_read): Update indirect function
9694 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9696 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9699 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9700 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9702 2000-03-11 Neil Booth <NeilB@earthling.net>
9704 * cppinit.c (struct pending option): Replace undef with a
9705 pointer to a directive handling routine.
9706 (struct cpp_pending): Replace separate assert_ and define_
9707 lists with one directive_ list.
9708 (new_pending_define): Rename new_pending_directive. Extra
9709 argument is the directive's handling routine.
9710 (handle_option): Update to use new_pending_directive.
9712 2000-03-11 Neil Booth <NeilB@earthling.net>
9714 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9715 remap_filename, _cpp_read_include_file, actual_directory,
9716 hack_vms_include_specification): Replace bcopy(), index() etc
9717 calls. Add casts to some allocations. Make some variables
9718 pointers to const [unsigned] char.
9719 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9720 collect_formal_parameters): Similarly.
9721 * cppinit.c (struct pending_option, append_include_chain,
9722 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9723 cpp_start_read, new_pending_define, handle_option): Similarly.
9724 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9725 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9726 do_pragma_implementation, detect_if_not_defined,
9727 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9728 do_assert, do_unassert): Similarly.
9729 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9730 function prototypes.
9731 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9733 2000-03-10 Richard Henderson <rth@cygnus.com>
9735 * builtins.c (expand_builtin_strlen): Revert last change.
9736 Use emit_insn_before if we're at the beginning of a sequence.
9738 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9740 * builtins.c (expand_builtin_strlen): Make sure that we have something
9741 at the beginning of the sequence.
9743 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9746 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9748 2000-03-10 Richard Henderson <rth@cygnus.com>
9750 * except.c (can_throw): Use INTVAL on a CONST_INT.
9751 (reachable_handlers): Likewise.
9752 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9754 2000-03-10 Andreas Jaeger <aj@suse.de>
9756 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9757 MD_STARTFILE_PREFIX since those are not needed on linux.
9758 (ASM_FILE_START): New, from mips/gnu.h.
9760 2000-03-09 Richard Henderson <rth@cygnus.com>
9761 Alex Samuel <samuel@codesourcery.com> and others
9763 * Makefile.in (ssa.o): New rule.
9765 (STAGESTUFF): Add *.ssa and *.ussa.
9766 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9767 * rtl.def (PHI): New RTL expression.
9768 * rtl.h (clear_log_links): New declaration.
9769 (convert_to_ssa): Likewise.
9770 (convert_from_ssa): Likewise.
9771 * flow.c (split_edge): If the entry node falls through to the
9772 split edge's source block, split the entry edge.
9773 (clear_log_links): New function.
9774 * toplev.c (ssa_dump): New variable.
9775 (flag_ssa): Likewise.
9776 (f_options): Add "ssa".
9777 (compile_file): Create SSA dump files.
9778 (rest_of_compilation): Go to and from SSA if enabled.
9779 (decide_d_option): Handle -de for SSA dump files.
9782 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9784 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9787 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9789 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9791 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9793 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9794 (MD_STARTFILE_PREFIX_1): New macro.
9796 2000-03-09 Robert Lipe <robertl@sco.com>
9798 * config/ia64/ia64.c: Include system.h.
9800 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9802 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9803 (init_eh_nesting_info): Likewise.
9805 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9806 (TREE_NOTHROW): Rename from TREE_RAISES.
9807 * toplev.c (rest_of_compilation): Set it.
9808 * print-tree.c (print_node): Adjust.
9809 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9810 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9811 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9812 REG_EH_REGION note as appropriate.
9813 (libfunc_nothrow): New fn.
9814 (emit_library_call, emit_library_call_value): Use it.
9815 (expand_call): Check TREE_NOTHROW.
9817 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9818 DECL_ASSEMBLER_NAME.
9820 2000-03-09 Andreas Jaeger <aj@suse.de>
9822 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9823 (TARGET_MEM_FUNCTIONS): Define.
9825 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9827 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9829 * except.c (can_throw): See through a SEQUENCE.
9830 (nothrow_function_p): New fn.
9831 * except.h: Declare it.
9832 * function.c (current_function_nothrow): New var.
9833 (prepare_function_start): Initialize it.
9834 * output.h: Declare it.
9835 * toplev.c (rest_of_compilation): Set it.
9836 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9838 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9840 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9841 match. (cpp_compare_defs): Count the nul separator when
9842 advancing over argument names.
9844 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9846 * recog.c (preprocess_constraints): Matching constraints affect
9847 same alternative/different operand, not same operand/different
9850 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9851 register and a constant specially.
9853 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9855 * libgcc2.h: New file.
9856 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9858 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9860 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9861 * configure: Regenerate.
9864 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9866 * Makefile.in (LIBCPP_DEPS): New macro.
9867 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9869 * cpperror.c: Include cpphash.h.
9870 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9872 (lex): Don't use CPP_WARN_UNDEF.
9873 (_cpp_parse_expr): Return an int, the truth value.
9874 * cppfiles.c: Include cpphash.h.
9875 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9876 * cppinit.c (include_defaults_array): Disentangle.
9877 (cpp_cleanup): Don't free the if stack here.
9878 (cpp_finish): Pop off all buffers, not just one.
9879 * cpplib.c (eval_if_expr): Return int.
9880 (do_xifdef): Rename do_ifdef.
9881 (handle_directive): Don't use CPP_PREPROCESSED.
9882 (cpp_get_token): Don't use CPP_C89.
9883 * fix-header.c: Don't use CPP_OPTIONS.
9885 * cpplib.h: Move U_CHAR, enum node_type, struct
9886 file_name_list, struct ihash, is_idchar, is_idstart,
9887 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9888 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9889 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9890 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9891 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9892 of _cpp_simplify_pathname, _cpp_find_include_file,
9893 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9894 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9896 Change all uses of U_CHAR to be unsigned char instead.
9897 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9899 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9901 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9902 (dwarf2out_begin_prologue): Set it.
9903 (output_call_frame_info): Don't emit EH unwind info for leaves.
9905 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9906 can occur outside of an EH region.
9907 * except.c: Correct comments about rethrow behavior.
9908 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9910 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9912 * flow.c (make_edges): Always call make_eh_edge for calls.
9914 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9916 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9917 (struct cpp_buffer): Remove fname and underflow fields.
9918 (struct cpp_reader): Remove get_token field.
9919 (struct include_hash): Rename to struct ihash. Add typedef to
9921 (struct if_stack): Remove fname field.
9922 (IF_STACK_FRAME): Rename to IF_STACK.
9924 * cpperror.c (print_containing_files): Trust that there are no
9925 macro buffers below the top file buffer.
9926 * cppfiles.c: Replace all references to 'struct include_hash'
9927 with 'IHASH'. Rename initialize_input_buffer to
9928 init_input_buffer. Don't set or reference cpp_buffer->fname,
9929 use buffer->ihash->name instead.
9930 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9931 not CPP_NULL_BUFFER.
9932 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9933 IF_STACK_FRAME, IHASH not struct include_hash.
9934 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9935 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9936 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9937 references to cpp_buffer->fname (delete entirely, or use
9938 ->ihash->name instead) and IF_STACK->fname.
9939 (cpp_push_buffer): Don't set new->underflow.
9940 (do_include): Use cpp_file_buffer.
9942 * cpphash.c (collect_formal_parameters): Remove duplicate
9943 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9944 used as a macro argument name. Don't append "..." to namebuf
9945 for varargs macros. After we're done scanning, go through
9946 namebuf and make it NUL separated, not comma separated.
9947 (_cpp_compare_defs): Remove register tag from variables.
9948 Expect defn->argnames to be NUL separated.
9949 (_cpp_dump_definition): Expect defn->argnames to be NUL
9950 separated and in forward order.
9951 * cpphash.h: Update documentation of argnames field.
9953 2000-03-08 Richard Henderson <rth@cygnus.com>
9955 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9956 to fail. Don't pre-expand the source operand.
9958 * i386.md (strlensi): Initialize eoschar and align before use.
9960 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9962 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9963 CONSTRUCTOR element.
9965 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9967 * mips.c (mips_expand_prologue): If the last
9968 named argument is the vararg marker "va_list", treat it as
9969 an unnamed argument.
9971 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9973 * dbxout.c (dbxout_parms): When correcting for promoted
9974 big-endian parameters, use the mode of the DECL_RTL rather
9975 than UNITS_PER_WORD.
9977 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9979 * c-common.h (make_fname_decl): Declare.
9980 * c-common.c (make_fname_decl): Define.
9981 (declare_hidden_char_array): Remove.
9982 (declare_function_name): Use make_fname_decl.
9983 * c-decl.c (c_make_fname_decl): New function.
9984 (init_decl_processing): Set make_fname_decl.
9986 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9988 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9990 2000-03-07 Philipp Thomas <pthomas@suse.de>
9992 * po/POTFILES.in: Remove cppalloc.c from file list.
9994 2000-03-07 Steve Chamberlain <sac@pobox.com>
9996 * pj.c (pj_expand_prologue): current_function->args_info is
9997 now current_function_args_info.
9999 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
10000 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
10001 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
10003 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10005 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
10006 output as hexadecimal rather than the default octal.
10008 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10010 * cpphash.c (special_symbol): Fix thinko in previous commit.
10012 2000-03-07 Neil Booth <NeilB@earthling.net>
10014 * cppexp.c (struct operation, left_shift, right_shift,
10015 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
10016 "int"s to "unsigned int"s.
10017 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
10019 * cpplib.h: Update for above.
10020 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
10021 returned from allocations.
10023 * cppinit.c (opt_comp, parse_options): New functions.
10024 (handle_option): Use parse_option to parse a single command
10025 line option, that possibly takes an argument.
10026 (cpp_handle_options): Sort the array of command line options on
10027 first invocation (non-ASCII hosts only).
10028 (print_help): Update.
10030 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10032 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
10033 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
10035 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
10037 * cppinit.c (cpp_cleanup): Free imp->nshort also.
10039 * cpperror.c (cpp_print_containing_files,
10040 cpp_print_file_and_line, v_cpp_message): Rename to
10041 print_containing_files, print_file_and_line, and v_message.
10042 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10043 to _cpp_parse_expr, parse_escape, and lex.
10044 (parse_charconst): Remove broken multibyte support.
10045 * cppfiles.c (include_hash): Make static.
10046 (cpp_included): New function.
10047 (merge_include_chains, find_include_file, finclude,
10048 simplify_pathname): Rename to _cpp_merge_include_chains,
10049 _cpp_find_include_file, _cpp_read_include_file, and
10050 _cpp_simplify_pathname.
10051 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10052 cpp_install, create_definition, macroexpand, compare_defs,
10053 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10054 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10055 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10056 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10058 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10060 * cpphash.h: Update prototypes.
10061 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10063 2000-03-07 Andrew Haley <aph@cygnus.com>
10065 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10066 PTRDIFF_TYPE should be based solely on Pmode.
10067 (SIZE_TYPE): ditto.
10069 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10071 * rtl.h (rtunion_def): Constify member `rtstr'.
10072 (emit_line_note_after, emit_line_note, emit_line_note_force,
10073 emit_note, decode_asm_operands): Constify.
10075 * cse.c (canon_hash): Likewise.
10077 * dbxout.c (dbxout_block): Likewise.
10079 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10080 v_warning_for_asm): Likewise.
10082 * dwarfout.c (function_start_label): Likewise.
10084 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10085 emit_line_note_force): Likewise.
10087 * final.c (last_filename, asm_insn_count, final_scan_insn,
10088 output_source_line): Likewise.
10090 * function.h (struct emit_status): Likewise.
10092 * gcse.c (hash_expr_1): Likewise.
10094 * genattr.c (gen_attr, main): Likewise.
10096 * genattrtab.c (struct function_unit, current_alternative_string,
10097 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10098 attr_numeral, check_attr_test, check_attr_value,
10099 convert_set_attr_alternative, convert_set_attr,
10100 compute_alternative_mask, simplify_by_exploding, gen_attr,
10101 gen_unit): Likewise.
10103 * genflags.c (gen_insn): Likewise.
10105 * gengenrtl.c (type_from_format): Likewise.
10107 * genopinit.c (gen_insn): Likewise.
10109 * genoutput.c (n_occurrences, process_template, process_template):
10112 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10115 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10118 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10119 ggc_set_mark, ggc_get_size): Likewise.
10121 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10123 * optabs.c (init_one_libfunc): Likewise.
10125 * output.h (assemble_start_function): Likewise.
10127 * recog.c (decode_asm_operands): Likewise.
10129 * toplev.c (rest_of_compilation): Likewise.
10131 * tree.h (emit_line_note_after, emit_line_note,
10132 emit_line_note_force): Likewise.
10134 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10135 asm_emit_uninitialised, assemble_start_function,
10136 assemble_variable, const_hash, compare_constant_1,
10137 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10139 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10141 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10143 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10145 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10147 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10148 arm_dllimport_name_p): Likewise.
10150 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10153 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10155 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10157 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10158 arm_mark_dllexport, arm_mark_dllimport,
10159 arm_pe_encode_section_info): Likewise.
10161 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10162 ASM_FINISH_DECLARE_OBJECT): Likewise.
10164 * arm/thumb.c (thumb_function_prologue): Likewise.
10166 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10168 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10170 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10172 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10174 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10176 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10178 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10179 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10181 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10183 * i386/i386.c (asm_output_function_prefix): Likewise.
10185 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10187 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10189 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10191 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10192 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10193 ASM_OUTPUT_SECTION_NAME): Likewise.
10195 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10197 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10199 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10201 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10203 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10205 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10207 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10209 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10211 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10213 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10215 * mips/mips.md (movdi, movsi): Likewise.
10217 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10219 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10221 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10223 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10224 ASM_OUTPUT_ASCII): Likewise.
10226 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10227 output_mi_thunk, output_toc): Likewise.
10229 * rs6000/rs6000.md (movsi): Likewise.
10231 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10233 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10235 * v850/v850.c (print_operand, print_operand_address,
10236 v850_encode_data_area): Likewise.
10238 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10240 * config/mips/mips.md (zero_extendsidi2): Always force operand
10241 one to memory for mips16.
10243 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10245 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10246 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10247 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10248 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10249 (min_precision): Result is unsigned.
10250 (add_double, neg_double, mul_double): Low word is unsigned.
10251 (lshift_double, rshift_double, lrotate_double): Likewise.
10252 (rrotate_double, div_and_round_double): Likewise.
10253 (tree_floor_log2, compare_tree_int): New functions.
10254 (preserve_rtl_expr_temps): New declaration.
10255 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10256 (decl_attributes): Use tree_log2 to find alignment.
10257 Check for TREE_INT_CST_HIGH for format args.
10258 (min_precision): Now unsigned.
10259 Use tree_floor_log2.
10260 (truthvalue_conversion): Delete long-disabled code.
10261 * c-decl.c (finish_struct): Clean up tests on field width.
10262 (finish_function): Use compare_tree_int.
10263 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10264 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10265 (default_conversion, digest_init): Use compare_tree_int.
10266 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10267 Fix type errors in forming masks.
10268 * calls.c (initialize_argument_information): Use compare_tree_int.
10269 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10270 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10271 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10272 (store_field): Use compare_tree_int.
10273 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10274 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10275 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10276 (do_store_flag): Use compare_tree_int.
10277 * fold-const.c (encode, decode): Low part is always unsigned.
10278 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10279 (lshift_double, rshift_double, lrotate_double): Likewise.
10280 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10281 (fold_convert): Use compare_tree_int.
10282 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10283 (invert_truthvalue, case INTEGER_CST): Likewise.
10284 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10285 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10286 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10287 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10289 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10290 (expand_end_case): Use compare_tree_int.
10291 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10292 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10293 (layout_decl): Likewise.
10294 (layout_record, layout_union): Make sizes unsigned.
10295 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10296 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10297 * tree.c (struct type_hash): hashcode is unsigned.
10298 (build_type_attribute_variant, type_hash_list): Likewise.
10299 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10300 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10301 (build_complex_type): Likewise.
10302 (real_value_from_int_cst): Remove unneeded casts.
10303 (integer_all_onesp): Add casts.
10304 (tree_floor_log2, compare_tree_int): New functions.
10305 (build_index_type): Use tree_int_cst_sgn.
10306 * varasm.c (assemble_variable): Use compare_tree_int.
10308 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10310 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10312 * varasm.c (make_decl_rtl): Don't add a number to members of
10314 (make_function_rtl): Likewise.
10316 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10318 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10319 patch from 2000-01-28.
10321 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10323 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10324 filled with an insn from the jump target.
10326 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10328 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10329 (c4x_external_ref): Likewise.
10330 * config/c4x/c4x.c (struct name_list): Likewise.
10332 1999-12-16 Ben Collins <bcollins@debian.org>
10334 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10335 argument to genmultilib.
10336 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10337 the contents into the multilib.h header.
10338 * gcc.c: Declare multilib_exclusions for the specs file.
10339 (set_multilib_dir): Use it.
10340 (print_multilib_info): Likewise.
10341 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10342 to pass to genmultilib.
10344 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10346 * builtins.c (built_in_class_names, built_in_names): Constify a
10349 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10351 (_mcleanup): Ensure value matches format specifier in sprintf.
10353 * cpphash.c (special_symbol): Don't needlessly cast away
10356 * cppinit.c (base_name): Delete unused prototype.
10358 * mkdeps.c (deps_init): Make definition K&R safe.
10360 * tree.h (built_in_class_names, built_in_names): Constify a
10363 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10365 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10366 floating point instructions for epilogue delay.
10368 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10369 to gas if it supports .register pseudo.
10371 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10372 LONG_DOUBLE_TYPE_SIZE if not defined.
10373 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10374 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10375 * real.c: Likewise.
10376 * gengenrtl.c: Likewise.
10377 * print-rtl.c: Likewise.
10379 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10380 MASK_LONG_DOUBLE_128.
10381 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10382 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10383 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10384 (SUBTARGET_SWITCHES): Define.
10385 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10386 with -mlong-double-128.
10387 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10388 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10389 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10390 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10391 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10392 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10393 with -mlong-double-128.
10394 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10395 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10396 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10397 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10398 TARGET_LONG_DOUBLE_128): Define.
10399 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10400 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10401 long double on TARGET_ARCH64.
10403 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10405 * function.c (free_temps_for_rtl_expr): Don't free slots
10406 that have been pushed into a higher level.
10409 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10411 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10413 * basic-block.h (ALLOCA_REG_SET): Remove.
10414 (INITIALIZE_REG_SET): New macro.
10415 * flow.c (update_life_info): Use it.
10416 (calculate_global_regs_live): Likewise.
10417 (propagate_block): Likewise.
10418 * global.c (build_insn_chain): Likewise.
10419 * haifa-sched.c (schedule_region): Likewise.
10421 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10423 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10424 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10425 (DWARF_ARANGES_PAD_SIZE): New define.
10426 (output_aranges): Use it to pad the address range header.
10427 (DWARF_ROUND): Fix for non power of 2 rounding.
10429 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10431 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10433 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10435 * tree.def (RTL_EXPR): Update documentation.
10436 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10437 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10438 * function.c (preserve_rtl_expr_temp): New function.
10439 (preserve_rtl_expr_temps): Likewise.
10440 (preserve_rtl_expr_result): Use it.
10443 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10445 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10447 * regmove.c (copy_src_to_dest) Do not create src->dest move
10448 for unchanging destination.
10450 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10452 * function.h (struct sequence_stack): Remove rtl_expr.
10453 (struct emit_staus): Likewise.
10454 (seq_rtl_expr): Remove.
10455 * tree.h (free_temps_for_rtl_expr): Don't declare.
10456 (start_sequence_for_rtl_expr): Likewise.
10457 * rtl.h (preserve_rtl_expr_result): Likewise.
10458 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10459 (start_sequence_for_rtl_expr): Remove.
10460 (push_topmost_sequence): Don't save sequence_rtl_expr.
10461 (pop_topmost_sequence): Remove comment about not restoring it.
10462 (end_sequence): Don't set seq_rtl_expr.
10463 (init_emit): Don't initialize it.
10464 (mark_sequence_stack): Don't mark it.
10465 (mark_emit_status): Likewise.
10466 * except.c (protect_with_terminate): Use
10467 start_sequence_for_rtl_expr, not start_sequence.
10468 * expr.c (expand_expr, case RTL_EXPR): Don't call
10469 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10470 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10471 (preserve_rtl_expr_result): Remove.
10472 (free_temps_for_rtl_expr): Likewise.
10473 (pop_temp_slots): Likewise.
10474 (mark_temp_slot): Don't mark the rtl_expr.
10475 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10476 start_sequence_for_rtl_expr.
10478 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10480 * mkdeps.c, mkdeps.h: New files.
10481 * po/POTFILES.in: Add them.
10482 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10483 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10484 (mkdeps.o): New target.
10486 * cppfiles.c: Delete deps_output.
10487 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10488 OBJECT_SUFFIX, and base_name.
10489 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10491 (initialize_dependency_output): Use deps_init,
10492 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10493 all the unnecessary string bashing.
10494 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10496 * cpplib.c (do_include): Use deps_add_dep.
10497 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10498 deps_allocated_size, deps_size, deps_column members with
10499 single pointer to a struct deps. Delete prototype of
10502 * cppinit.c: Fix thinko in previous patch.
10504 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10506 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10507 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10508 (mode_for_size_tree): New function.
10509 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10510 * tree.h (mode_for_size_tree): New declaration.
10512 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10514 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10516 * stmt.c (is_body_block): Move...
10517 * dwarfout.c, dwarf2out.c: ...from here.
10518 * tree.h: Declare it.
10519 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10520 * final.c (final_start_function): Do call remove_unnecessary_notes
10523 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10525 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10527 * cpplib.h (_dollar_ok): New macro.
10528 (is_idchar, is_idstart): Use it.
10529 (IStable): Rename to _cpp_IStable. Declare it const if
10530 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10531 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10532 is_space): Update for renamed IStable.
10534 * cppinit.c: Delete all references to FAKE_CONST and CAT
10535 macros. Define init_IStable as empty macro if gcc >=2.7 or
10536 C99. Change TABLE() to ISTABLE and hardcode name of table.
10537 (cpp_start_read): Don't change the IStable based on
10540 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10541 changed. Handle '$' for char1 correctly.
10542 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10544 * cppexp.c (tokentab2): Make const.
10545 (cpp_lex): Make toktab const.
10546 * cppinit.c (include_defaults_array): Make const.
10547 (initialize_standard_includes): Make default_include const.
10549 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10551 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10552 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10553 (gen_decl_die): Likewise.
10554 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10555 (output_decl): Likewise.
10557 * varasm.c (make_function_rtl): If we change the name used in the
10558 rtl, update DECL_ASSEMBLER_NAME accordingly.
10559 (make_decl_rtl): Likewise.
10561 * toplev.c (rest_of_compilation): Tweak formatting.
10563 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10564 remove_unnecessary_notes.
10565 (debug_ignore_block): New fn.
10566 * toplev.h: Declare it.
10567 * emit-rtl.c (remove_unncessary_notes): Call it.
10568 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10569 * dwarf2out.h: Declare it.
10570 * final.c (final_start_function): Don't call remove_unnecessary_notes
10571 if we did insn scheduling.
10573 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10575 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10576 * cpplib.h: Delete SET_CPP_PEDANTIC.
10578 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10580 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10581 result is a RECORD_TYPE.
10583 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10585 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10587 2000-03-03 Richard Henderson <rth@cygnus.com>
10589 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10590 addition over compliments over shifts.
10592 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10594 * reload1.c (reload_combine_note_use): Handle return register USEs.
10595 REG case: Handle multi-hard-register hard regs.
10597 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10599 * md.texi: Document use of '*' in insn pattern name.
10601 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10603 * calls.c (special_function_p): operator new may not be malloc-like.
10605 * gcse.c (dump_hash_table): Really fix error in last change.
10607 2000-03-02 Denis Chertykov <denisc@overta.ru>
10609 * avr.c (print_operand): Use print_operand_address instead of
10611 * avr/libgcc.S: Cleanup code.
10613 2000-03-02 Richard Henderson <rth@cygnus.com>
10615 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10617 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10619 * tree.h (TYPE_ALIGN_UNIT): New macro.
10621 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10623 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10625 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10627 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10629 (SET_CPP_PEDANTIC): New macro.
10630 * cpplib.c (do_include): Don't bother checking system_header_p.
10631 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10632 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10634 * function.h (struct expr_status): Add x_arg_space_so_far.
10635 (arg_space_so_far): New macro.
10636 * expr.c (init_expr): Initialize it.
10637 * calls.c (emit_call_1): Reset it.
10638 (compute_argument_block_size, expand_call): Use it.
10639 (expand_call, store_one_arg): Increment it.
10641 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10643 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10646 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10648 * cppfiles.c (cpp_read_file): New function.
10650 * cpphash.c (collect_expansion): Make sure to reset last_token
10651 to NORM when we hit a string. Handle trailing whitespace
10652 properly when the expansion is empty.
10653 (create_definition): Disable line commands while parsing the
10655 (dump_definition): If pfile->lineno == 0, output a line
10656 command ahead of the dump, and add a trailing newline.
10658 * cppinit.c (append_include_chain): Add fifth argument, which
10659 indicates whether or not system headers are C++ aware.
10660 (initialize_standard_includes): New function,
10661 broken out of read_and_prescan. Pass 'cxx_aware' value from
10662 the include_defaults_array on to append_include_chain.
10663 (dump_special_to_buffer): Const-ify char array.
10664 (builtin_array): Don't dump __BASE_FILE__.
10665 (cpp_start_read): Use cpp_read_file. Reorder code for
10666 clarity. Don't output line commands here for -D/-A/-U
10667 switches. Don't call deps_output for files included with
10668 -include or -imacros.
10670 * cpplib.c (do_define): Don't pay any attention to the second
10672 (cpp_expand_to_buffer): Disable line commands while scanning.
10673 (output_line_command): Work in the file buffer.
10674 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10675 Fix formatting of comments. Prototype cpp_read_file.
10677 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10679 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10680 reference the language-equivalent of sizetype.
10681 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10682 * fold-const.c (size_binop, size_diffop): Put back checks.
10683 * gcse.c (dump_hash_table): Fix minor error in last change.
10684 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10685 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10688 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10690 * calls.c (expand_call) Do not attempt to combine stack adjustments
10691 with inhibit_defer_pop set.
10693 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10695 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10696 the DECL_SIZE for a FIELD_DECL.
10698 2000-03-01 Bruce Korb <bkorb@gnu.org>
10700 * fixinc/inclhack.tpl: remove unused symlinks
10701 * fixinc/README: GCC Maintainer info
10702 * fixinc/inclhack.sh: regen
10703 * fixinc/fixincl.sh: regen
10705 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10707 * cpphash.c (collect_expansion): Trim trailing white space
10708 from macro definitions, but don't go past the last insertion
10711 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10713 * i386.md (mulqi3): New pattern.
10715 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10717 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10719 (struct cpp_reader): Add parsing_if_directive and
10720 parsing_define_directive flags.
10721 (struct cpp_options): Remove output_conditionals flag.
10722 (check_macro_name): Delete prototype.
10724 * cpphash.h (struct macrodef): Delete.
10725 (struct reflist): Separate from struct definition.
10726 (struct definition): Remove unused fields. Add column number.
10727 (create_definition): Returns a DEFINITION *. Takes a
10728 cpp_reader * and an int.
10730 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10731 (PEEKC): Copy defn from cpplib.c.
10732 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10734 (struct arglist): Simplify.
10735 (collect_expansion): Rewrite. Get tokens by calling
10736 cpp_get_token. Add more error checking.
10737 (collect_formal_parameters): New function, broken out of
10738 create_definition and reworked to use get_directive_token.
10739 (create_definition): All real work is now in collect_expansion
10740 and collect_formal_parameters. do_define handles finding the
10741 macro name. Return a DEFINITION, not a MACRODEF.
10742 (macroexpand): Replace bcopy with memcpy throughout. Replace
10743 character-at-a-time copy loop with memcpy and pointer increments.
10744 (compare-defs): d1->argnames / d2->argnames might be null.
10746 * cpplib.c (copy_rest_of_line): Delete function.
10747 (skip_rest_of_line): Do all the work ourselves.
10748 (skip_string): New function.
10749 (parse_string): Use skip_string.
10750 (get_macro_name): New function.
10751 (check_macro_name): Delete.
10752 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10753 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10754 (handle_directive): ICE if we're called on a macro buffer.
10755 (do_define): Determine macro name and type (funlike/objlike)
10756 here. Expunge all uses of MACRODEF.
10757 (cpp_push_buffer): Set line_base to NULL.
10758 (do_undef, read_line_number): Don't worry about getting a POP token.
10759 (eval_if_expression): Set/reset parsing_if_directive around
10760 cpp_parse_expr. Don't clear only_seen_white.
10761 (skip_if_group): Remove output_conditionals logic. Use
10763 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10764 tokens under appropriate conditions.
10765 (cpp_unassert): Call do_unassert not do_assert. Oops.
10767 * cppexp.c (parse_defined): New function, break out of
10769 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10770 ourselves, with cpp_defined.
10771 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10773 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10774 * gcc.dg/strpaste-2.c: New.
10776 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10778 * fold-const.c (size_binop): Don't asert inputs are the same and
10779 have TYPE_IS_SIZETYPE set.
10780 (size_diffop): Likewise.
10782 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10784 * dwarfout.c (output_block): Output abstract blocks even if they
10785 don't have TREE_ASM_WRITTEN set.
10787 * calls.c (emit_library_call): Check for null REG.
10789 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10791 * c-decl.c (current_function_decl): Move to toplev.c.
10792 (init_decl_processing): Don't add current_function_decl as a ggc
10794 * dbxout.c (dbxout_symbol): Change return type to int.
10795 (dbxout_symbol_location, dbxout_syms): Likewise.
10796 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10797 any locals. Use current_function_func_begin_label if set.
10798 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10799 * dwarf2out.c (dwarf2out_begin_prologue): Set
10800 current_function_func_begin_label.
10801 * final.c (final_start_function): Reset it.
10802 * toplev.c (current_function_decl): Define it here.
10803 (current_function_func_begin_label): New variable.
10804 (main): Add both as ggc roots.
10805 * tree.h (current_function_func_begin_label): Declare.
10807 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10809 * gcse.c: Cleanups throughout: mostly white-space, but also
10810 some minor rearrangement of code.
10812 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10814 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10815 returns a PARALLEL. Use emit_group_load and use_group_regs
10817 (emit_library_call_value): Similarly.
10819 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10820 * pa/quadlib.asm: Remove.
10821 * pa/quadlib.c: New file.
10823 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10824 * configure: Rebuilt.
10826 2000-02-29 Philip Blundell <pb@futuretv.com>
10828 * config/arm/conix-elf.h: New file.
10829 * configure.in (arm*-*-conix*): New configuration.
10830 * configure: Regenerate.
10832 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10834 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10835 don't have TREE_ASM_WRITTEN set.
10837 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10839 * Eliminate DECL_FIELD_SIZE.
10840 * builtins.c (built_in_class_names, built_in_names): New variables.
10841 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10842 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10843 DECL_SIZE, not DECL_FIELD_SIZE.
10844 * print-tree.c (print_node): Remove code that prints extra blank
10845 lines in some cases.
10846 Properly handle inline and builtin function cases.
10847 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10848 * tree.h (built_in_class_named, built_in_names): New declarations.
10849 (union tree_decl): Rename internal unions to u1 and u2 and change
10850 some of their components.
10851 Add new field built_in_class.
10852 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10853 Reflect above changes.
10854 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10855 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10856 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10857 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10859 2000-02-28 Dmitri Makarov <dim@windriver.com>
10861 * extend.texi: Document ARM's support for long/short calls.
10863 * invoke.texi: Document ARM's -mlong-calls command line switch.
10865 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10866 (arm_encode_call_attribute): Add prototype.
10867 (arm_set_default_type_attribute): Add prototype.
10868 (arm_strip_name_encoding): Add prototype.
10870 * config/arm/arm.c (arm_init_cumulative_args): replace
10871 initialisation og 'long_calls' field with initialisation of
10872 'call_cookie' field.
10873 (enum arm_pragma_enum): New enum.
10874 (arm_pragma_long_calls): New static variable.
10875 (arm_process_pragma): Also process "#pragma long_calls_off".
10876 (arm_valid_type_attribute_p): Accept short_call attribute.
10877 (arm_comp_type_attributes): Check long/short call attributes.
10878 (arm_encode_call_attribute): New function: Encode long_call
10879 or short_call attribute in function name.
10880 (arm_set_default_type_attributes): New function: Assign
10881 default attributes to newly defined type.
10882 (current_file_function_operand): New function: Return true if
10883 the symbol is a function which has already been compiled.
10884 (arm_is_longcall_p): New function: Return true if the
10885 indicated function should be called via a long call.
10886 (arm_get_strip_length): New function. Returns number of
10887 prefix characters to be stripped from a function's name.
10888 (arm_strip_name_encoding): New function. Strip prefix characters
10889 from a function's name.
10891 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10892 with 'call_cookie'.
10893 (SHORT_CALL_FAG_CHAR): Define.
10894 (LONG_CALL_FAG_CHAR): Define.
10895 (ENCODED_SHORT_CALL_ATTR_P): Define.
10896 (ENCODED_LONG_CALL_ATTR_P): Define.
10897 (ARM_NAME_ENCODING_LENGTHS): Define.
10898 (STRIP_NAME_ENCODING): Define.
10899 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10900 (ARM_ENCODE_CALL_TYPE): Define.
10901 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10902 (ARM_DECLARE_FUNCTION_SIZE): Define.
10903 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10905 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10906 if a long call is needed.
10907 (call_value): Ditto.
10908 (call_symbol): Ditto.
10910 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10911 ARM_DECLARE_FUNCTION_SIZE.
10913 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10914 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10915 (ARM_STRIP_NAME_ENCODING): Undefine.
10916 (STRIP_NAME_ENCODING): Undefine.
10917 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10918 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10919 (ASM_OUTPUT_COMMON): Ditto.
10920 (ASM_DECLARE_OBJECT_NAME): Ditto.
10922 * config/arm/pe.c (arm_dllexport_name_p): Check for
10924 (arm_dllimport_name_p): Ditto.
10925 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10926 (arm_mark_dllimport): Ditto.
10928 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10930 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10932 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10934 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10936 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10938 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10939 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10940 NO_BUILTIN_WCHAR_TYPE is not defined.
10941 (CPP_WCHAR_TYPE): Delete.
10942 * cccp.c (main): Don't change wchar_type if cplusplus.
10943 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10945 2000-02-28 Nick Clifton <nickc@cygnus.com>
10947 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10949 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10951 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10952 (ASM_WEAKEN_LABEL): Define.
10954 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10956 * expr.c (store_constructor): Do not emit USE.
10957 * rtl.h (stupid_life_analysis): Remove.
10959 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10961 * function.c (number_blocks): Reset next_block_index based on
10962 what debugging format is used, not what is defined.
10964 * lcm.c: Minor reformatting throughout.
10965 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10967 * toplev.c (rest_of_compilation): Account for time in
10968 optimize_mode_switching.
10970 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10971 if only marking labels.
10973 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10975 * calls.c (expand_call): Attempt to combine stack adjustments with
10976 pending stack adjustments.
10978 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10980 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10981 to the end of the function.
10983 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10985 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10987 * final.c (next_block_index): Remove.
10988 (max_block_depth): Likewise.
10989 (pending_blocks): Likewise.
10990 (init_final): Don't initialize them.
10991 (final_start_function): Don't set next_block_index. Set up
10993 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10994 * function.h (number_blocks): New function.
10995 * function.c (get_block_vector): New function.
10996 (identify_blocks): Use it.
10997 (reorder_blocks): Set NOTE_BLOCK.
10998 (number_blocks): New function.
10999 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
11000 * tree.h (BLOCK_NUMBER): New macro.
11001 (tree_block): Add block_num field.
11002 * dbxout.c (next_block_number): Remove.
11003 (dbxout_init): Don't set it.
11004 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
11005 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
11007 * toplev.c (rest_of_compilation): Always call
11008 find_loop_tree_blocks. Fix indentation.
11009 * dwarf2out.c (next_block_number): Remove.
11010 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11011 to determine block numbers.
11012 (gen_inlined_subroutine_die): Likewise.
11013 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
11014 (decls_for_scope): Don't increment next_block_number.
11015 * dwarfout.c (next_block_number): Remove.
11016 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11017 to determine block numbers.
11018 (output_inlined_subroutine_die): Likewise.
11019 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
11020 (output_decls_for_scope): Don't increment next_block_number.
11021 * sdbout.c (next_block_number): Remove.
11022 (sdbout_block): Use BLOCK_NUMBER.
11023 (sdbout_begin_block): Simplify.
11024 * xcoffout.c (next_block_number): Remove.
11025 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
11026 (xcoffout_begin_block): Don't set next_block_number.
11027 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
11030 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11032 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
11033 (expand_builtin_strcpy): Pass correct type to size_binop.
11034 (expand_builtin_strcmp): Likewise.
11035 Clean up conditional structure.
11036 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
11037 (complete_array_type): Don't use size_binop for MAXINDEX.
11038 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
11039 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
11040 (c_alignof): Use size_one_node.
11041 (build_unary_op): Pass arg of proper type to size_binop.
11042 (really_start_incremental_init, push_init_level): Use sizetype for
11043 constructor{,_bit,_unfilled}_index.
11044 (pop_init_label, output_init_element): Likewise.
11045 (output_pending_init_elements, process_init_element): Likewise.
11046 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11047 * expr.c (store_expr): Use size_int.
11048 (store_constructor): Use proper types for size_binop args.
11049 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11050 (expand_expr_unaligned): Likewise.
11051 (string_contant): Return object of sizetype.
11052 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11053 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11054 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11055 * fold-const.c (int_const_binop): Refine when size_int is called.
11056 (fold_convert): Likewise.
11057 (size_int_wide): Rework to take KIND as arg, only take low order
11058 bits, handle new sizetype_tab datatype, and chain entries in
11060 (size_int_type_wide): New function.
11061 (size_binop): Validate types of arguments.
11062 (ssize_binop): Deleted.
11063 (size_diffop): New function.
11064 (extract_muldiv): Only fold division into multiplication for sizetypes.
11065 * function.c (assign_parms): Use size_diffop and make sure
11066 VAR field is of ssizetype; also pass proper type to size_binop.
11067 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11068 (round_down): Deleted from here.
11069 * store-layout.c (sizetype_tab): Now an array.
11070 (sizetype_set, early_root_list): New variables.
11071 (variable_size): Use size_one_node.
11072 (round_up): Pass proper type to size_binop.
11073 (round_down): Moved to here and corrected as above.
11074 (layout_record): Pass proper arg types to size_binop.
11075 (layout_type): Likewise.
11076 If sizetype_set is zero, record the type just laid out.
11077 (make_unsigned_type): Don't call set_sizetype;
11078 (make_signed_type): Likewise; also, call fixup_signed_type.
11079 (initialize_sizetypes): New function.
11080 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11081 set name of bitsizetype to "bit_size_type".
11082 Fix up type of sizes of all types made before call.
11083 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11084 * tree.c (fix_sizetype): Deleted.
11085 (build_common_tree_nodes): Call initialize_sizetypes.
11086 (build_common_tree_nodes_2): Don't call fix_sizetype.
11087 * tree.h (TYPE_IS_SIZETYPE): New macro.
11088 (initialize_sizetype): New declaration.
11089 (enum size_type_kind): New type.
11090 (struct sizetype_tab): Deleted.
11091 (sizetype_tab): Now array; adjust sizetype macros.
11092 (size_diffop, size_int_type_wide): New functions.
11093 (size_int_wide): Change number of args and type; access macros changed.
11094 (ssize_int, sbitsize_int): New macros.
11095 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11096 (ROUND_TYPE_SIZE_UNIT): New macro.
11098 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11100 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11102 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11104 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11105 Mark as possibly unused.
11107 * cse.c (cse_insn): Delete dead code involving tablejump.
11108 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11110 * Makefile.in (libcpp.a): Start by deleting it.
11112 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11114 * cpplib.h (enum file_change_code): Added rename_file.
11115 * cpplib.c (do_line): If a filename is given, set file_change to
11117 (output_line_command): If file_change is rename_file, always
11118 output a # directive with the file name.
11120 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11122 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11124 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11125 when copying a PARM_DECL or RESULT_DECL.
11127 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11129 * fix-header.c (recognized_function): Also fix prototypes for
11130 functions taking "void".
11132 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11134 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11135 looking at reg_reloaded_contents.
11137 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11139 * Makefile.in (STMP_FIXINC): New toggle.
11140 (LIBGCC2_DEPS): Delete all references.
11141 (stmp-headers): Delete target. All references either deleted
11142 or changed to stmp-int-headers.
11143 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11144 (LIBCPP_OBJS): Take out cppalloc.o.
11145 (cppalloc.o): Delete target.
11146 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11147 (gen-protos, fix-header): Link with libiberty.a.
11148 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11151 * configure.in: Remove refs to strerror.
11152 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11153 * system.h: Take out strerror stanza.
11155 * cpperror.c (my_strerror): Delete function.
11156 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11157 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11158 * cppalloc.c: Delete file.
11159 * gen-protos.c: Don't provide xrealloc.
11161 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11162 xstrerror throughout.
11164 2000-02-26 Bruce Korb <bkorb@gnu.org>
11166 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11167 match for DOS headers, too.
11168 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11170 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11172 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11173 is right for most ELF targets.
11174 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11175 Let the default file use %U properly.
11176 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11179 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11182 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11184 * toplev.c (documented_lang_options): Correct spelling error.
11185 (decode_d_option, decode_f_option, main): Likewise.
11187 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11189 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11190 to tell assembler it is permitted to expand large constants.
11192 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11194 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11195 (aux_info_suffix): Use.
11196 (SAVE_SUFFIX): New macro.
11197 (save_suffix): Use.
11198 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11199 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11200 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11202 * invoke.texi (Running Protoize): Update documentation.
11204 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11206 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11208 2000-02-25 John Wehle (john@feith.com)
11210 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11212 2000-02-25 Anthony Green <green@cygnus.com>
11214 * toplev.c (rest_of_compilation): Rebuild jump labels if
11215 combine_instructions has created a new direct jump.
11216 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11218 (combine_instructions): Call try_combine with new argument.
11219 Return non-null value when new direct jump instruction is created.
11220 * rtl.h: combine_instructions returns an int.
11222 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11224 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11225 jump when changing a computed jump into a jump to a known
11228 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11230 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11231 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11233 * i386.md (define_expand "clrstrsi"): Fix typo.
11235 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11237 * rtl.texi: Fix typo.
11239 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11241 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11242 UNITS_PER_WORD. Change caller initial_elimination_offset.
11243 (rounded_frame_size): Take into account that argument pushed has
11244 changed. Fix TARGET_ALIGN_DOUBLE problem.
11246 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11248 * haifa-sched.c (schedule_block): Explain the real reason
11249 we delete REG_SAVE_NOTEs on the first insn of a block.
11250 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11252 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11254 * input.h (push_srcloc): New function.
11255 (pop_srcloc): Likewise.
11256 * toplev.c (push_srcloc): Define it.
11257 (pop_srcloc): Likewise.
11259 2000-02-24 Richard Henderson <rth@cygnus.com>
11261 * flow.c (life_analysis): When collecting reg info, clear
11264 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11266 Fix bug exposed by reload.c no longer rounding the frame
11267 size to BIGGEST_ALIGNMENT:
11268 * sh.c (rounded_frame_size): New function.
11269 (sh_expand_prologue, sh_expand_epilogue): Use it.
11270 (initial_elimination_offset): Likewise.
11272 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11274 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11275 * sh-protos.h (sh_need_epilogue): Declare.
11276 * sh.c (sh_need_epilogue_known): New static variable.
11277 (sh_need_epilogue): New function.
11278 (function_epilogue): Clear need_epilogue_known.
11279 * sh.md (return): Split into expander / insn pattern.
11280 Make the expander conditional on ! sh_need_epilogue ().
11282 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11284 * machmode.h (get_mode_alignment): Declare.
11285 (GET_MODE_ALIGNMENT): Call it.
11286 * stor-layout.c (get_mode_alignment): New function. Make
11287 sure alignment is always power of 2.
11289 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11291 * i386.h: Remove useless definition of "I386" and misleading
11294 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11296 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11297 under which TREE_PERMANENT will be set.
11298 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11299 build1): Use TREE_SET_PERMANENT.
11300 * print-tree.c (print_node): Don't report value of
11301 TREE_PERMANENT if ggc_p is true.
11303 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11304 decide whether to give a type a new alias set.
11305 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11306 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11307 of value of 'obstack'.
11310 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11312 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11314 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11316 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11317 * cpplib.c (cpp_get_token): Produce them.
11318 * cppexp.c (cpp_lex): Handle them.
11320 2000-02-23 Nick Clifton <nickc@cygnus.com>
11322 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11323 comment tests on type attributes.
11325 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11327 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11328 conform to documentation.
11329 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11330 to check for special cases.
11331 * sh-protos.h (sh_loop_align): Declare.
11332 * sh.c (sh_loop_align): Define.
11334 2000-02-22 Andrew Haley <aph@cygnus.com>
11336 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11337 (SIZE_TYPE): Is 32 bits when using -mgp32.
11338 (PTRDIFF_TYPE): Ditto.
11340 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11342 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11344 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11346 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11347 BIGGEST_FIELD_ALIGNMENT a constant.
11349 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11351 * dwarf2out.c (output_line_info): Put the marker for the end of
11352 the line number info at the actual end.
11353 (gen_struct_or_union_type_die): Use decl_function_context
11354 to check for local classes.
11355 * dwarfout.c (output_type): Likewise.
11357 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11359 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11360 for arguments with a mode, but no type.
11361 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11362 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11363 * pa/long_double.h: New file.
11364 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11365 both have 128bit wide long doubles.
11366 * configure: Rebuilt.
11368 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11370 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11372 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11373 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11374 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11376 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11378 * integrate.c (compare_blocks, find_block): Likewise.
11380 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11382 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11384 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11385 expand_asm_operands): Likewise.
11387 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11389 * predict.c (estimate_probability): Added the pointer heuristic to
11390 the collection of static branch predictors.
11392 2000-02-21 Catherine Moore <clm@cygnus.com>
11394 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11395 * invoke.texi (-mfix7000): Document.
11397 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11399 * diagnostic.c (init_output_buffer): Make it possible to output at
11400 least 32 characters if we're given a too long prefix.
11402 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11404 * varasm.c (initializer_constant_valid_p): Call
11405 lang_expand_constant to simplify the constant.
11407 2000-02-20 Bruce Korb <bkorb@gnu.org>
11409 * fixinc/inclhack.def(stdio_va_list):
11410 typedef needs to be disabled.
11411 * fixinc/inclhack.sh: regen
11412 * fixinc/fixincl.x: regen
11414 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11416 * print-rtl.c (print_rtx): Don't print addresses when
11417 flag_dump_unnumbered.
11419 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11421 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11423 (sparc_va_arg, sparc_flat_output_function_prologue,
11424 sparc_flat_output_function_epilogue): Cast value to unsigned in
11426 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11428 * sparc.md: Add default case in switch.
11430 2000-02-19 Richard Henderson <rth@cygnus.com>
11432 * c-typeck.c (add_pending_init): Don't abort for multiple
11433 fields at the same offset.
11434 (pending_init_member): Test the correct member.
11436 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11438 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11440 (start_catch_handler) : Same.
11442 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11444 * Makefile.in: Have flow.o depend on $(EXPR_H)
11446 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11448 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11449 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11450 (finish_decl): Remove -Wlarger-than code from here.
11451 * flags.h (id_clash_len): Now int.
11452 (larger_than_size): Now HOST_WIDE_INT.
11453 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11454 Clean up checking to see if in table.
11455 (make_bit_field_ref): Remove extra parm to bitsize_int.
11456 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11457 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11458 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11459 and for computing size of decl.
11460 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11461 Move -Wlarger-than code to here.
11462 (layout_record): Remove extra arg to bitsize_int.
11463 Set TYPE_BINFO_SIZE_UNIT.
11464 (layout_union): Remove extra arg to bitsize_int.
11465 Use proper type for size of QUAL_UNION.
11466 (layout_type): Remove extra arg to bitsize_int.
11467 * toplev.c (id_clash_len): Now int.
11468 (larger_than_size): Now HOST_WIDE_INT.
11469 (decode_W_option): Clean up id-clash and larger-than- cases.
11470 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11471 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11472 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11473 (struct tree_decl): New field size_unit.
11474 (size_int_wide): No HIGH operand; NUMBER is now signed.
11475 (size_int_2): Deleted.
11476 (size_int, bitsize_int): Don't use it and rework args.
11477 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11479 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11481 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11483 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11485 * invoke.texi (Warning Options): Add an explanation of why
11486 you might want the -Wfloat-equal flag.
11488 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11490 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11491 * cppinit.c (new_pending_define): Add cast to avoid warning.
11492 * expmed.c (extract_bit_field): Likewise.
11493 * flow.c (enum reorder_skip_type): New type.
11494 (skip_insns_between_blcok): New it.
11495 Rework to avoid warning about possibly undefined variable.
11496 * function.c (assign_parms): Make thisparm_boundary unsigned.
11497 * genrecog.c (write_switch): Cast XWINT result to int.
11498 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11499 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11500 one for MIPS and one for Alpha.
11501 (get_tag, copy_object): Add casts to avoid warnings.
11502 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11503 * reload.c (find_reloads): Make TYPE enum reload_type.
11504 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11505 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11506 * varasm.c (compare_constant_1): Add cast to avoid warning.
11507 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11509 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11510 Cast switch operand of size to int.
11511 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11512 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11515 2000-02-18 Nick Clifton <nickc@cygnus.com>
11517 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11518 anything for an alignment of zero.
11520 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11521 anything for an alignment of zero.
11523 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11525 * gcc.texi (Bug Reporting): Refer to bugs.html.
11526 (Bug Lists): Likewise.
11527 * system.h (GCCBUGURL): New preprocessor define.
11528 * rtl.c (fancy_abort): Use it.
11529 * gcc.c (main): Likewise.
11531 2000-02-18 Richard Henderson <rth@cygnus.com>
11533 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11534 (life_analysis_1): Subsume into ...
11535 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11536 Use update_life_info for the relaxation.
11537 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11538 entry and regs_live_at_setjmp.
11539 (set_noop_p): Simplify.
11540 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11541 (record_volatile_insns): Split into ...
11542 (delete_noop_moves): ... here,
11543 (notice_stack_pointer_modification): ... here,
11544 (insn_dead_p): ... and here.
11545 (propagate_block): Don't query INSN_VOLATILE.
11546 (mark_used_regs): Mind !PROP_REG_INFO.
11547 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11548 not in life_analysis.
11550 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11552 * loop.c (canonicalize_condition): New function,
11553 broken out of get_condition.
11554 (get_condition): Use it.
11555 * expr.h (canonicalize_condition): Prototype it.
11557 * tree.h (tree_int_cst_msb): Declare.
11558 * tree.c (tree_int_cst_msb): New function.
11560 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11562 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11565 * invoke.texi (-fmessage-length=n): Document.
11567 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11569 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11571 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11573 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11574 after the prologue.
11576 2000-02-17 Nick Clifton <nickc@cygnus.com>
11578 * config/arm/thumb.c: Replace includes of system headers with
11579 #include "system.h".
11581 2000-02-16 Richard Henderson <rth@cygnus.com>
11583 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11584 Add crtbeginS.o and crtendS.o.
11585 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11586 (ENDFILE_SPEC): Use crtendS.o.
11587 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11589 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11590 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11591 shared and present.
11592 (__dso_handle): New variable.
11593 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11594 bias to __CTOR_END__.
11596 2000-02-16 Richard Henderson <rth@cygnus.com>
11598 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11600 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11602 * longlong.h (__clz_tab): Declare as static to match definition.
11604 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11606 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11607 (XREF_FILE_NAME): Define.
11609 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11610 (EH_FRAME_SECTION_ASM_OP): Define.
11611 (IDENT_ASM_OP): Define.
11612 (TEXT_SECTION_ASM_OP): Define.
11613 (CPP_SPEC): Define.
11614 (CTORS_SECTION_ASM_OP): Define.
11615 (CTOR_SECTION_FUNCTION): Use it.
11616 (DTORS_SECTION_ASM_OP): Define.
11617 (DTOR_SECTION_FUNCTION): Use it.
11619 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11621 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11624 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11625 debug_bb_n): New functions.
11626 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11627 * basic-block.h: Prototype new functions.
11629 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11631 * configure.in: Add support for avr target.
11632 * configure: Rebuilt.
11634 * invoke.texi: Add AVR invocation docs.
11635 * install.texi: Add information about AVR.
11636 * md.texi: Add AVR constraint letters description.
11637 * extend.texi: Add description for AVR specific attributes.
11639 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11641 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11643 2000-02-16 Nick Clifton <nickc@cygnus.com>
11645 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11646 (make_insn_raw): Move RTL check here.
11648 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11650 * version.c: Include gansidecl.h and version.h.
11652 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11654 * configure.in (gcc_version): When setting, narrow search to
11655 lines containing `version_string'.
11657 * Makefile.in (mainversion): Likewise.
11658 (GCC_H): New variable.
11659 (gcc.h): Delete target.
11660 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11661 (version.o): Depend on version.h.
11662 (dbxout.o): Don't depend on gcc.h.
11664 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11665 Michael Meissner <meissner@cygnus.com>
11667 * md.texi (Simple Constraints): Add item about whitespace.
11668 * genoutput.c (strip_whitespace): New.
11669 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11670 strip_whitespace for constraints.
11671 Test pointer using NULL, not 0.
11673 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11675 * cpplib.c (do_line): Pedwarn for #line > 32767.
11677 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11679 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11681 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11682 to default cpp spec.
11683 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11684 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11687 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11690 2000-02-15 Denis Chertykov <denisc@overta.ru>
11692 * configure.in: Add support for avr target.
11694 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11696 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11697 (sh_addr_diff_vec_mode): Don't declare.
11698 * sh.c (sh_addr_diff_vec_mode): Delete.
11700 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11702 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11704 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11706 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11707 (smulsi3_highpart_i): Name.
11708 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11709 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11710 (smulsi3_highpart, umulsi3_highpart): Likewise.
11712 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11713 correctly independent of endianness.
11714 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11715 confuse the optimizers.
11716 (mulsidi3+1, umulsidi3+1): New define_split.
11718 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11720 * config/sh/sh.md: Guard insn splits against illegal registers.
11721 * config/sh/sh.h: Correct comment about macros.
11723 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11724 Andrew MacLeod <amacleod@cygnus.com>
11726 * Makefile.in (lcm.o): Depend on insn-attr.h.
11727 * basic-block.h (optimize_mode_switching): Declare.
11728 * lcm.c (tm_p.h, insn-attr.h): #include.
11729 (seginfo, bb_info): New structs.
11730 (antic, transp, comp, delete, insert) : New file-scope static variables.
11731 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11732 (reg_becomes_live, optimize_mode_switching): Likewise.
11733 * tm.texi: Add description of mode switching macros.
11734 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11736 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11737 (fldi_ok, fpscr_set_from_mem): New prototypes.
11738 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11739 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11740 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11741 (sh_flag_remove_dead_before_cse): Remove declaration.
11742 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11743 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11744 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11745 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11746 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11747 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11748 (fldi_ok): New function.
11749 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11750 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11751 (emit_df_insn): Likewise.
11752 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11753 (sh_flag_remove_dead_before_cse): Delete.
11754 (get_free_reg, fpscr_set_from_mem): New functions.
11755 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11756 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11758 2000-02-15 Loren Rittle <ljrittle@acm.org>
11760 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11762 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11764 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11765 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11767 * cccp.c: Include version.h and/or don't declare `version_string'.
11768 * collect2.c: Likewise.
11769 * alpha.c: Likewise.
11770 * arm/aof.h: Likewise.
11771 * arm/coff.h: Likewise.
11772 * arm/elf.h: Likewise.
11773 * arm/pe.h: Likewise.
11774 * arm/tcoff.h: Likewise.
11775 * arm/telf.h: Likewise.
11776 * arm/tpe.h: Likewise.
11777 * arm/vxarm.h: Likewise.
11778 * convex/convex.c: Likewise.
11779 * i386/dgux.c: Likewise.
11780 * i386/sun386.h: Likewise.
11781 * m88k/m88k.c: Likewise.
11782 * mcore/mcore-pe.h: Likewise.
11783 * mips/mips.h: Likewise.
11784 * romp/romp.h: Likewise.
11785 * sh/sh.c: Likewise.
11786 * cpphash.c: Likewise.
11787 * cppinit.c: Likewise.
11788 * dwarf2out.c: Likewise.
11789 * dwarfout.c: Likewise.
11792 * mips-tfile.c: Likewise.
11793 * protoize.c: Likewise.
11794 * toplev.c: Likewise.
11795 * tree.h: Likewise.
11797 * version.c (version_string): Constify a char*.
11799 * version.h: New file.
11801 2000-02-14 Nick Clifton <nickc@cygnus.com>
11803 * configure.in: Add mcore-elf and mcore-pe targets.
11804 * configure: Regenerate.
11806 * NEWS: Add note that MCore port has been contributed.
11808 * invoke.texi: Document command line switches for MCore port.
11809 * install.texi: Add MCore to list of supported targets.
11811 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11813 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11814 then we will need to import the frame handling functions.
11815 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11816 to import the frames themselves.
11818 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11819 Jason Eckhardt <jle@cygnus.com>
11821 * basic_block.h: Added prototype for reorder_basic_blocks.
11822 * toplev.c: Changes to add -freorder-blocks and graph dump after
11823 block reordering is done.
11824 * flow.c (reorder_block_def): New structure for use during block
11826 (REORDER_BLOCK_*): New macros to access members of above structure.
11827 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11828 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11829 functions for block reordering.
11831 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11833 * gcc.texi (Passes): Fix typo.
11834 * md.texi (Standard Names): Ditto.
11835 * tm.texi (Storage Layout): Ditto.
11837 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11839 * cpplib.c (do_define): Only free the old definition if it
11842 2000-02-13 Neil Booth <NeilB@earthling.net>
11844 * cppfiles.c (read_and_prescan): When emitting deferred
11845 newlines, test speccase[] again instead of checking each
11846 possible whitespace character in turn. When we encounter \r,
11847 look behind for \n first, then ahead.
11849 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11851 * cse.c (cse_altered): New internal flag.
11852 (cse_insn): Set it if we changed an insn.
11853 (cse_main): Clear cse_altered before each basic block.
11854 Only garbage collect if cse_altered is true afterward.
11856 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11858 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11860 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11862 * combine.c (simplify_comparison): Fix typo.
11864 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11866 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11869 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11871 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11872 previously inserted node instead of root node. Caller changed.
11874 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11876 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11878 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11880 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11881 __dereg_frame_dtor): Add prototype argument.
11883 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11885 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11887 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11889 * gthr-vxworks.h (__gthread_once): Likewise.
11891 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11893 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11895 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11896 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11897 stack pointer in functions w/o saved registers, output LEAVE more often
11898 on TARGET_USE_LEAVE machines.
11900 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11902 * config/arm/arm.c (arm_init_cumulative_args); New function:
11903 Initlaise the CUMULATIE_ARGS strcuture for a function
11905 (arm_function_arg): New function: Determine where to place a
11906 function's argument. Also handles deciding the function's
11908 (current_file_function_operand): New function: Return true if
11909 the symbol is a function which has already been compiled.
11910 (arm_is_long_call_p): New function: Return true if the
11911 indicated function should be called via a long call.
11912 (arm_valid_type_attribute_p): New function: Return true if the
11913 attribute is a valid, arm specific, attribute.
11914 (arm_comp_type_attribute): New function: Return true if the
11915 two types have compatable, arm specific, attributes.
11917 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11919 (FUNCTION_ARG): Redefine to call arm_function_arg.
11920 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11922 (INIT_CUMULATIVE_ARGS): Redefine to call
11923 arm_init_cumulative_args.
11924 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11926 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11928 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11930 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11931 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11932 (COMP_TYPE_ATTRIBUTES): Define.
11934 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11935 if a long call is needed.
11936 (call_value): Call arm_is_long_call_p to decide if a long call
11938 (call_symbol): Call arm_is_long_call_p to decide if a long call
11941 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11943 2000-02-11 Denis Chertykov <denisc@overta.ru>
11945 * README.AVR: New file with information about the avr ports.
11946 * config/avr: New directory with avr port files.
11948 2000-02-11 Andreas Jaeger <aj@suse.de>
11950 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11952 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11954 * cpphash.c: Fix formatting, update commentary.
11955 (dump_definition): Take three separate arguments instead of a
11956 MACRODEF structure argument.
11957 * cpphash.h: Update prototype of dump_definition.
11958 * cppinit.c (cpp_finish): Update call of dump_definition.
11960 * cpplib.c (do_define): Always create new hash entry with
11961 T_MACRO type. Remove redundant check for redefinition of
11962 poisoned identifier. Update call of dump_definition.
11963 (do_undef): Don't call check_macro_name. Rename sym_length to
11965 (do_error, do_warning): Don't use copy_rest_of_line or
11967 (do_warning): Don't use pedwarn for the actual warning,
11968 only the notice about its not being in the standard. (Fixes
11969 bug with #warning in system headers.)
11970 (do_ident): Stricter argument checking - accept only a single
11971 string after #ident. Also, macro-expand the line.
11972 (do_xifdef): Use cpp_defined. De-obfuscate.
11974 (do_pragma): Split out specific pragma handling to separate
11975 functions. Use get_directive_token. Update commentary. Do
11976 not pass on #pragma once or #pragma poison to the front end.
11977 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11978 do_pragma_default): New.
11980 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11982 * jump.c (jump_optimize_1): The first operand in a relational
11983 can be a CONST_INT.
11984 * optabs.c (emit_conditional_move): Handle relationals which
11985 have a known true/false result.
11987 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11989 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11990 a RETURN insn into a block which already ends with a jump.
11992 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11994 * haifa-sched.c (BUF_LEN): Increase a lot.
11996 2000-02-11 Nick Clifton <nickc@cygnus.com>
11998 * configure.in: Add tm_p_file specification for thumb targets.
11999 * configure: Regenerate.
12001 * config/arm/thumb-protos.h: New file: Prototypes for exported
12002 functions defined in thumb.c.
12004 2000-02-11 Robert Lipe <robertl@sco.com>
12006 * Makefile.in (bootstrap-lean): Remove additional files.
12007 (bootstrap2-lean): Likewise.
12008 (VOL_FILES): List of files for above.
12010 2000-02-11 Nathan Sidwell <nathan@acm.org>
12012 * cpphash.c (special_symbol): Remove spurious argument to
12015 2000-02-11 Joel Sherrill (joel@OARcorp.com>
12017 * configure.in: (i*86-*-rtems*): Swapped elf and coff
12019 * configure: Rebuilt.
12021 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
12023 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
12025 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
12027 * pa.c, pa.h: Remove trigraph sequences within comments.
12029 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
12031 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
12033 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
12035 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
12037 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12039 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12041 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12043 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12044 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12045 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12046 (ASM_FILE_END): Use c4x_file_end.
12047 * config/c4x/c4x.c (c4x_global_label): New function.
12048 (c4x_external_ref, c4x_file_end): Likewise.
12050 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12051 (c4x_external_ref, c4x_end_file): Likewise.
12053 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12055 * cppexp.c: Don't include cpphash.h.
12056 (parse_charconst, cpp_lex): Use cpp_defined.
12057 (cpp_lex): Use get_directive_token throughout. Remove
12058 unnecessary cases from switch. Move assertion-handling code
12059 down to OTHER case.
12060 (cpp_parse_expr): If we see '+' or '-', check the context to
12061 determine if they are unary or binary operators. Streamline
12062 the jumps a bit. Do not call skip_rest_of_line.
12064 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12065 static. Export get_directive_token. Update commentary.
12066 (cpp_defined): New function.
12067 (do_define): Remove reference to T_PCSTRING. Call
12068 free_definition to release memory for old definition, when
12069 redefining a macro.
12070 (eval_if_expression): Set only_seen_white to 0 before calling
12071 cpp_parse_expr. Call skip_rest_of_line after it returns.
12072 (cpp_read_check_assertion): Don't preserve a pointer into the
12073 token buffer across a call to cpp_get_token.
12075 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12076 * cppfiles.c (redundant_include_p): Use cpp_defined.
12077 * cpphash.c (free_definition): New function.
12078 (delete_macro): Use it. Update commentary.
12079 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12081 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12082 from enum node_type. Prototype cpp_defined and get_directive_token.
12083 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12085 * fix-header.c (check_macro_names): Use cpp_defined.
12086 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12087 the options structure.
12089 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12091 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12093 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12095 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12096 rather than die->die_tag.
12098 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12100 * combine.c (make_extraction, force_to_mode): Avoid warning on
12101 mixed-signedness conditionals.
12102 (make_field_assignment, nonzero_bits): Likewise.
12103 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12104 (store_split_bit_field, extract_split_bit_field): Likewise.
12105 (extract_fixed_bit_field, store_bit_field,
12106 * expr.c: Change alignment to be unsigned everywhere.
12107 (move_by_pieces, store_constructor_field, store_constructor):
12108 Alignment parm is unsigned.
12109 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12110 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12111 (do_compare_rtx_and_jump): Likewise.
12112 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12113 Compare align with GET_MODE_ALIGNMENT.
12114 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12115 (get_inner_reference): Likewise.
12116 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12117 (expand_assignment): Local vars for alignment now unsigned.
12118 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12119 (do_compare_and_jump): Likewise.
12120 (store_field): Call new function expr_align.
12121 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12122 Alignment arg now unsigned.
12123 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12124 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12125 (extract_bit_field): Likewise.
12126 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12127 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12128 (get_best_mode): Alignment arg is unsigned.
12129 * rtl.h (move_by_pieces): Likewise.
12130 * store-layout.c (maximum_field_alignment, set_alignment):
12132 (layout_decl): Alignment arg is now unsigned.
12133 Remove unneeded casts.
12134 (layout_record, layout_union, layout_type): Remove unneeded casts.
12135 Local alignment variables now unsigned.
12136 (get_best_mode): Alignment arg now unsigned.
12137 * tree.c (expr_align): New function.
12138 * tree.h (expr_align): Likewise.
12139 (maximum_field_alignment, set_alignment): Now unsigned.
12140 (get_inner_reference): Alignment argument is now pointer to unsigned.
12141 * varasm.c (assemble_variable): Add cast to eliminate warning.
12143 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12145 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12146 then store directly into op0.
12148 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12149 the CALL_INSN, and emit the note immediately after it.
12151 2000-02-10 Nick Clifton <nickc@cygnus.com>
12153 * config/arm/thumb.md (epilogue): Include a (return) in the
12154 generated insn, and emit it using emit_jump_insn not
12157 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12159 * function.c (assign_temp): Change zero-sized arrays to size 1.
12160 * integrate.c (expand_inline_function): Do not update
12161 stack_alignment_needed
12162 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12163 add some sanity checking, remove optimization for function with
12166 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12168 * flow.c (mark_regs_live_at_end): Delete unused variables.
12170 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12172 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12173 in macro FRAME_GROWS_DOWNWARD.
12175 * stmt.c (expand_end_bindings): Delete unused variable.
12177 * unroll.c (iteration_info): Mark parameter `loop' with
12180 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12182 * fixinc/server.c (load_data): Return NULL if the marker line is
12184 (run_shell): If load_data returns NULL, retry the command once, in
12187 * configure: Rebuilt.
12189 2000-02-09 Bruce Korb <bkorb@gnu.org>
12191 * gcc/fixincludes: ** DELETED **
12192 * gcc/fixcpp: ** DELETED **
12193 * gcc/fixinc-nt.sed: ** DELETED **
12194 * gcc/just-fixinc: ** DELETED **
12195 * gcc/Makefile.in: Removed out-dated commentary
12196 * gcc/configure.in: Removed fast-fixincludes disablement.
12197 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12199 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12200 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12203 2000-02-09 Richard Henderson <rth@cygnus.com>
12205 * jump.c (delete_insn): Don't delete user labels at -O0.
12207 2000-02-09 Robert Lipe <robertl@sco.com>
12209 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12210 Don't link with HOST_LIBS.
12212 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12214 * configure.in: Correct --help text for --with-dwarf2.
12215 Put tm-dwarf2.h after other tm files, if it's requested.
12216 * configure: Regenerate.
12217 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12220 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12222 * cpplib.h: Provide HASHNODE typedef and forward decl of
12223 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12224 DEFINITION, struct hashnode, struct macrodef, struct
12225 definition, scan_decls prototype, default defn of
12226 INCLUDE_LEN_FUDGE moved elsewhere.
12228 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12229 definition, and struct hashnode moved here. Remove the unused
12230 'predefined' field from struct definition. Replace the 'args'
12231 union with its sole member. All users updated (cpphash.c).
12232 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12233 multiple include guard.
12235 * cpphash.c (hashf): Make static; use better algorithm; drop
12236 HASHSIZE parameter; return an unsigned int.
12237 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12238 used. Calculate HASHSIZE modulus here.
12239 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12241 (create_definition): Drop PREDEFINITION parameter.
12242 * cpplib.c (do_define): Don't calculate a hash value here.
12243 Don't pass (keyword == NULL) to create_definition.
12245 * scan.h: Prototype scan_decls here.
12246 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12247 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12248 callers of cpp_lookup and cpp_install updated.
12250 * cpphash.c (macarg): Hoist all the flag diddling out of the
12252 (macroexpand): ... and out of the loop that calls macarg.
12253 Skip over the initial paren before macro arguments with
12254 cpp_get_non_space_token; point may be some distance before
12255 that paren. Abort if it's not there.
12257 * cpplib.c (parse_clear_mark): Delete function.
12258 (parse_set_mark, parse_goto_mark): Make static.
12259 (ACTIVE_MARK_P): New macro.
12260 (skip_block_comment, skip_line_comment): Do not bump the line
12261 if ACTIVE_MARK_P is true.
12262 (cpp_pop_buffer): The buffer to be popped may not have an
12264 (cpp_get_token): When looking for the initial paren before
12265 macro arguments, only set a mark in a file buffer, Always
12266 return to that mark before proceeding to call macroexpand or
12267 return a NAME token.
12269 * cpplib.h: Remove prototypes of parse_set_mark,
12270 parse_clear_mark, parse_goto_mark.
12271 (struct cpp_options): Rename 'put_out_comments' to
12272 'discard_comments' and invert its sense.
12273 * cppinit.c, cpphash.c, cpplib.c: All users of
12274 put_out_comments changed to use discard_comments, with
12277 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12279 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12280 the edge from a block that both jumps and falls through to the
12283 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12285 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12286 constant source address is legitimate.
12288 2000-02-09 Philip Blundell <pb@futuretv.com>
12290 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12293 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12295 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12297 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12299 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12300 ends with a newline and a NUL. Don't be so clever manipulating
12303 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12305 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12306 not to BIGGEST_ALIGNMENT.
12308 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12310 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12311 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12312 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12313 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12314 * frame.c (execute_cfa_insn): Handle
12315 DW_CFA_GNU_negative_offset_extended.
12317 2000-02-08 Richard Henderson <rth@cygnus.com>
12319 * flow.c (tidy_fallthru_edges): Split out from ...
12320 (delete_unreachable_blocks): ... here.
12321 (find_basic_blocks): Use it.
12323 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12325 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12327 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12329 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12330 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12331 (fix-header.o): Don't depend on cpphash.h.
12333 * scan.c (hashstr): New function.
12334 * scan.h: Prototype it.
12335 * fix-header.c: Don't include cpphash.h. Use hashstr.
12336 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12337 hashstr. Report hash table statistics. Add private
12338 definition of xrealloc.
12340 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12342 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12344 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12346 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12347 jumps with returns unless they are jumps to the fallthru block.
12349 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12351 * i386.md (addqi3_cc): Fix contraints.
12353 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12355 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12357 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12359 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12360 carriage return after a macro name.
12362 2000-02-07 Fred Fish <fnf@be.com>
12364 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12365 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12367 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12369 * cppfiles.c (deps_output): Count spacers in deps_column.
12371 2000-02-07 Neil Booth <NeilB@earthling.net>
12373 * cppinit.c (initialize_dependency_output): If there is no
12374 suffix, don't try to look for known suffixes. Use strrchr.
12375 (cpp_start_read): Remove duplicate initialization.
12377 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12379 * calls.c (compute_argument_block_size): New argument
12380 preferred_stack_boundary.
12381 (expand_call): update cfun->preferred_stack_boundary, update call of
12382 compute_argument_block_size
12383 (emit_library_call): Increate cfun->preferred_stack_boundary
12384 to PREFERRED_STACK_BOUNDARY
12385 (emit_library_call_value): Likewise.
12386 * explow.c (allocate_dynamic_stack_spave): Likewise.
12387 * function.c (prepare_function_start): Set
12388 cfun->preferred_stack_boundary
12389 * function.h (struct function): Add preferred_stack_boundary field.
12390 * integrate.c (expand_inline_function): Update
12391 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12392 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12393 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12395 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12397 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12398 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12399 cpp_pedwarn, cpp_pedwarn_with_line,
12400 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12401 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12402 v_cpp_error_with_line, v_cpp_warning_with_line,
12403 cpp_message_from_errno, cpp_perror_with_name): Delete.
12405 * cpperror.c (cpp_print_containing_files): Take starting
12406 buffer as argument.
12407 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12408 (v_cpp_message): Now called directly by all entry points.
12410 (cpp_pfatal_with_name, cpp_message): Delete.
12411 (cpp_notice_from_errno, cpp_ice): New functions.
12412 (cpp_notice): Is now for reporting error conditions, just
12413 without an associated file.
12414 (cpp_error, cpp_error_with_line): Don't do anything if
12415 opts->inhibit_errors is on.
12416 (cpp_pedwarn_with_file_and_line): Take column argument also.
12418 * cpplib.h: Update prototypes of exported functions.
12419 (struct cpp_options): Add inhibit_errors.
12421 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12422 non-error messages. Include intl.h.
12424 * cppinit.c, cppmain.c: Likewise. Also, use
12425 cpp_notice_from_errno instead of cpp_perror_with_name or
12426 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12428 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12429 report internal errors.
12431 * cpplib.c (do_define): Switch bcopy to memcpy.
12432 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12434 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12435 bail out early if we hit a line comment.
12437 2000-02-06 Richard Henderson <rth@cygnus.com>
12439 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12440 * basic-block.h: Declare them.
12441 * emit-rtl.h (active_insn_p): New.
12442 (next_active_insn, prev_active_insn): Use it.
12443 * rtl.h: Declare it.
12444 * function.c (emit_return_into_block): New.
12445 (thread_prologue_and_epilogue_insns): Insert return insns instead
12446 of epilogues when possible.
12447 * jump.c (jump_optimize_1): Remove code to insert a return insn
12448 on the fallthru to the exit block.
12450 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12451 and for non-empty stack frames.
12452 * i386.md (return): Expand to return-pop as needed.
12454 2000-02-06 Richard Henderson <rth@cygnus.com>
12456 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12457 constant to op1 for testing.
12459 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12461 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12462 (fixuns_truncqfqi2): Use it.
12464 2000-02-06 Richard Henderson <rth@cygnus.com>
12466 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12467 as a TYPE_LEA insn.
12469 * i386.md (widening and peepholes): Mask the constant instead of
12472 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12474 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12475 input pointer before possibly branching off to the backslash
12477 * cpphash.c (macroexpand): Correctly delete \r escapes when
12478 stringifying parameters.
12479 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12480 if we can; bail out early if we hit a line comment.
12481 (handle_directive): Treat '# 123' in an .S file just like
12482 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12483 Return 1 for '# not_a_directive'.
12484 (get_directive_token): Pop macro buffers here, so that
12485 cpp_get_token can't sneakily move past a newline.
12487 (cpp_get_token): goto randomchar if handle_directive returns 0.
12489 * cppalloc.c: Update copyright.
12490 * cpplib.c: Merge all the static function prototypes into one
12492 * cpplib.h: Remove #if 0 block.
12494 * cpperror.c: Remove #ifdef EMACS block.
12495 * cppmain.c: Likewise.
12496 * cpphash.c: Remove #if 0 blocks.
12497 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12498 * cpplib.c: Remove #if 0 blocks and code referencing
12499 pcp_inside_if or for_lint. Remove duplicate error message.
12500 Fix error messages for #else after #else or #elif. Reformat.
12501 Remove archaic TODO list.
12502 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12504 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12506 * i386/osf1elf.h: Add missing backslash to multiline string.
12508 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12510 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12512 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12514 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12516 * c-common.c: Include expr.h.
12518 * c-pragma.c (mark_align_stack): Add prototype.
12520 * caller-save.c (add_stored_regs): Likewise.
12522 * combine.c (record_promoted_value): Likewise.
12524 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12527 * cppinit.c (new_pending_define): Likewise.
12529 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12531 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12532 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12533 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12534 class_scope_p): Likewise.
12536 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12537 dwarf2out_add_library_unit_info): Likewise.
12539 * ggc.h (ggc_page_print_statistics): Likewise.
12541 * haifa-sched.c (propagate_deps): Likewise.
12543 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12545 * rtl.h (set_stack_check_libfunc): Likewise.
12547 * toplev.h (set_fatal_function): Likewise.
12549 * toplev.c (set_fatal_function): Delete prototype.
12551 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12553 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12555 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12556 (FUNC_END): Likewise.
12558 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12560 * caller-save.c: Include tm_p.h.
12562 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12564 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12566 2000-02-04 Neil Booth <NeilB@earthling.net>
12568 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12571 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12573 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12574 * genflags.c: Use the max_operand_1 logic from genemit.c to
12575 calculate how many arguments gen_insn prototypes have. Remove
12576 NO_MD_PROTOTYPES ifdefs from the generated file.
12577 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12578 file. Cast gen_insn initializers to insn_gen_fn.
12579 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12580 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12582 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12584 * fixinc/Makefile.in (HDR): Add machname.h.
12587 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12589 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12590 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12591 (c4x_cpu_version): Ditto.
12592 * config/c4x/c4x-protos.h: ... here.
12594 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12596 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12597 gen_abstract_function on our context if we're a nested function.
12599 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12601 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12602 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12604 2000-02-04 Bruce Korb <bkorb@gnu.org>
12606 * fixinc/genfixes(machname.h):
12607 Move the functionality from gen-machine.h into this file.
12608 UNdef MN_NAME_PAT if there are no names to change.
12609 Also, be a little kinder when AutoGen is not present.
12611 * fixinc/Makefile.in(machname.h):
12612 Change the generation rule to use genfixes.
12614 * fixinc/fixfixes.c(machine_name):
12615 machine_name_fix's functionality now dependent upon whether
12616 MN_NAME_PAT is defined.
12618 * fixinc/fixtests.c(machine_name):
12621 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12624 * fixinc/fixlib.h(mn_get_regexps):
12627 * fixinc/gen-machine.h: DELETED
12629 2000-02-04 Jan Hubicka <jh@suse.cz>
12630 Richard Henderson <rth@cygnus.com>
12632 * i386.c (SAVE_REGS_FIRST): Remove.
12633 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12634 (ix86_compute_frame_size): Likewise.
12635 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12636 (ix86_emit_restore_regs): Remove.
12637 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12638 when a frame pointer is in use.
12639 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12640 instead of pop to restore a register when profitable; emit leave
12642 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12643 as a TYPE_LEA insn.
12644 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12645 * i386.md (prologue_allocate_stack): Remove.
12646 (epilogue_deallocate_stack): Remove.
12647 (pro_epilogue_adjust_stack): New.
12649 2000-02-04 Richard Henderson <rth@cygnus.com>
12651 * function.c (diddle_return_value): Rework to use a callback function.
12652 Use current_function_return_rtx if it's been set up.
12653 (do_clobber_return_reg, clobber_return_register): New.
12654 (do_use_return_reg, use_return_register): New.
12655 (expand_function_end): Use them.
12656 * stmt.c (expand_null_return): Likewise.
12657 * function.h: Declare them.
12658 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12659 (mark_reg): Change arguments as appropriate for callback.
12660 * integrate.c (expand_inline_function): Revert 19 Jan change.
12662 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12664 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12665 (Misc): Say the scheduler, not the Haifa scheduler.
12667 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12669 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12670 when in_mem is set. Update all callers.
12672 2000-02-04 Richard Henderson <rth@cygnus.com>
12674 * i386/openbsd.h (INT_ASM_OP): Define.
12676 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12678 * tm.texi: Fix various typos.
12680 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12682 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12683 (MD_STARTFILE_PREFIX_1): New macro.
12685 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12687 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12688 destination when needed.
12689 (strmovsi, strsetsi): New expander.
12690 (strmovsi_1, strsetsi_1): New pattern.
12691 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12692 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12693 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12694 * invoke.texi (align-stringops, inline-all-stringops): Document.
12696 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12698 * i386/netbsd.h (INT_ASM_OP): Define.
12700 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12702 * cpplib.h (cpp_reader): Add new flag, no_directives.
12703 * cpphash.c (macarg): Set it.
12704 * cpplib.c (handle_directive): If no_directives is on and we
12705 find a directive, issue an error and discard the line.
12707 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12709 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12710 FP constants. Add ! TARGET_FPU check for FP constants.
12712 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12714 * flow.c (find_basic_blocks): Don't kill label_value_list
12716 (cleanup_cfg): Kill it here.
12718 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12720 * expr.c (store_field): Ensure ALIGN is no stricter than the
12723 2000-02-02 Richard Henderson <rth@cygnus.com>
12725 * jump.c (delete_insn): Partially revert 19 Jan change;
12726 don't convert unused code labels to notes at -O0.
12728 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12730 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12731 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12733 2000-02-01 Richard Henderson <rth@cygnus.com>
12735 * i386.c (general_no_elim_operand): New.
12736 (nonmemory_no_elim_operand): New.
12737 (ix86_expand_move): Copy eliminable operands before a push.
12738 * i386-protos.h: Declare new functions.
12739 * i386.h (CAN_ELIMINATE): Simplify.
12740 (PREDICATE_CODES): Update.
12741 * i386.md (push insns): Don't allow eliminable register operands.
12743 2000-02-01 Richard Henderson <rth@cygnus.com>
12745 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12746 replace BLKmode with DECL_RTL's mode.
12748 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12750 * frame.c (find_fde): Convert for loop to do-while so compiler
12751 sees it's always executed at least once.
12752 * libgcc2.c (BBINBUFSIZE): Kill.
12753 (__bb_init_prg): Use fgets.
12754 (__bb_exit_trace_func): Don't paste strings.
12755 * unroll.c (unroll_loop): Initialize unroll_type, not
12756 unroll_number, and tweak logic to match.
12758 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12760 (ix86_flags_dependant): Likewise. Disentangle control flow.
12761 (ix86_sched_reorder): Break guts out to
12762 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12763 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12766 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12767 use string concatenation. Don't save and restore esi.
12769 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12770 (machname.h): Remove script to separate file. Use two-step
12771 sequence so target is not created if script fails.
12772 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12773 identifiers are defined.
12774 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12775 an empty string, machine_name doesn't need to do anything at
12777 (is_cxx_header): Add more cases to regexp.
12778 * fixinc/fixlib.h: Update prototype.
12779 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12781 * fixinc/fixincl.c: Define NO_BOGOSITY.
12783 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12784 (hp_sysfile): Add missing comma.
12785 (math_exception): Put the wrapper ifdefs at the beginning and
12786 the end of the file.
12787 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12789 2000-02-01 Richard Henderson <rth@cygnus.com>
12791 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12792 Use CONST0_RTX. Update all callers.
12793 * sparc.h, sparc-protos.h: Update accordingly.
12794 * sparc.md (fp mov insns): Use fp_zero_operand directly
12797 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12799 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12802 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12804 * Makefile.in (specs.ready): New target.
12805 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12807 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12809 * fixinc.irix: Use unique filenames for writing into /tmp,
12810 * fixinc.ptx: Likewise.
12811 * fixinc.sco: Likewise.
12812 * fixinc.svr4: Likewise.
12813 * fixinc.winnt: Likewise.
12815 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12817 * tsystem.h: New file.
12819 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12820 s-crtS): Depend on tsystem.h.
12822 * crtstuff.c: Include tsystem.h.
12823 * frame.c: Likewise.
12824 * libgcc2.c: Likewise.
12826 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12828 * builtins.c (expand_builtin_memset): Expand for variable sized
12831 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12833 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12836 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12838 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12840 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12842 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12844 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12845 case 3->2 combining (combining with splitting) in which 2 is CC0
12846 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12847 checked at the begining of the function with the aid of calling
12848 function 'can_combine_p'.
12850 2000-01-31 Dave Brolley <brolley@redhat.com>
12852 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12854 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12856 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12859 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12861 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12863 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12866 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12868 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12869 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12870 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12871 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12872 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12873 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12874 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12875 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12876 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12877 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12879 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12880 Add %(cpp_cpu) to CPP_SPEC.
12882 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12883 Add %(cc1_cpu) to CC1_SPEC.
12885 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12887 * c-decl.c (c_decode_option): Accept optional numeric argument to
12888 -Wformat and set warn_format.
12889 * c-common.c: Don't emit warning about non-constant printf format
12890 string unless warn_format > 1.
12892 2000-01-30 Richard Henderson <rth@cygnus.com>
12894 * alpha.md (return_internal): Allow after reload only.
12896 2000-01-30 Richard Henderson <rth@cygnus.com>
12898 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12899 local frame size is zero.
12901 2000-01-30 Richard Henderson <rth@cygnus.com>
12903 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12904 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12905 * alpha.md (return): Turn into an expander.
12906 (return_internal): Don't use $26.
12907 (epilogue): Emit the return insn.
12909 2000-01-30 Richard Henderson <rth@cygnus.com>
12911 * alpha.md (negtf2, abstf2): Fix word order thinko.
12912 (extendsftf2): New.
12913 (trunctfsf2): Avoid intermediate rounding errors.
12915 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12917 * cppfiles.c (find_position): Drop 'colp' argument, return the
12919 (read_and_prescan): Adjust to match. Don't ever manipulate
12920 line or line_base except via find_position.
12922 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12924 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12925 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12928 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12930 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12931 just print "<command line>". If 'filename' is null or an
12932 empty string, print "<stdin>" for the filename.
12933 * cpplib.c (do_define): Don't print the 'location of the
12934 previous definition' message if we're still parsing the
12936 (cpp_pedwarn_with_file_and_line): Always call
12937 cpp_file_line_for_message.
12939 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12941 * flow.c (mark_regs_live_at_end): Fix typo.
12943 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12945 * c-common.c: Adjust variable names, comments, help strings to c99.
12946 * c-lex.c: Likewise.
12947 * c-parse.y: Likewise.
12948 * c-tree.h: Likewise.
12949 * cccp.c: Likewise.
12950 * cpplib.h: Likewise.
12951 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12952 * cppinit.c: Likewise.
12954 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12956 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12957 * c4x.c: Define the optab rtx values.
12958 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12959 (c4x_emit_libcall): Use new optab rtx values.
12960 (c4x_emit_libcall3): Likewise.
12961 (c4x_emit_libcall_mulhi): Likewise.
12962 * c4x-protos.h: Add prototypes for optab rtx values and change
12963 prototypes for above c4x_emit_libcall functions.
12965 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12967 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12969 (c4x_function_prologue): Use regnames intead of float_reg_names when
12971 (c4x_function_epilogue): Likewise.
12972 (c4x_print_operand): Likewise.
12973 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12974 * c4x.md (set_high): Disable for TARGET_TI.
12976 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12978 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12979 of framepointer + constant to ADDR_REGS class.
12980 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12981 * c4x.c (std_or_reg_operand): New function.
12982 * c4x-protos.h (std_or_reg_operand): Prototype it.
12984 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12986 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12987 object names as libgcc2.c.
12988 * libgcc.S: Use newly defined names.
12990 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12991 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12993 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12994 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12995 (FLOW_LOOP_LAST_BLOCK): Likewise.
12997 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12999 * basic-block.h (struct loop): New fields 'first' and 'last'.
13000 * flow.c (flow_loops_find): Compute loop->first and loop->last.
13001 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
13002 and loop->last to check for NOTE_INSN_LOOP_END.
13004 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
13006 * predict.c (estimate_probability): Use the new FIRST and LAST fields
13007 of the loop descriptor rather than HEADER and LATCH. Also added
13008 missing break statements as well making some coding style modifications
13009 as suggested by Michael Hayes.
13011 2000-01-28 Richard Henderson <rth@cygnus.com>
13013 * flow.c (find_basic_blocks): Remove do_cleanup argument.
13014 Break out that code ...
13015 (cleanup_cfg): ... here.
13016 (commit_one_edge_insertion): Detect a return instruction being
13017 emitted to an edge. Emit a barrier following; clear fallthru.
13018 (commit_edge_insertions): Verify CFG consistency.
13019 * function.c (expand_function_start): Kill unused variable.
13020 (expand_function_end): Likewise.
13021 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
13022 to insert the epilogue.
13024 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
13025 (delete_null_pointer_checks): Likewise.
13026 * output.h: Likewise.
13027 * reg-stack.c (reg_to_stack): Likewise.
13028 * toplev.c (rest_of_compilation): Likewise. Run
13029 thread_prologue_and_epilogue_insns after rebuilding the CFG.
13031 2000-01-28 Richard Henderson <rth@cygnus.com>
13033 * Makefile.in (flow.o): Revert 24 Jan change.
13034 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
13035 FUNCTION_VALUE result to DECL_RESULT's mode.
13037 * haifa-sched.c (schedule_insns): Don't recompute reg info
13040 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13042 * configure.in: Make --enable-cpplib the default.
13043 * configure: Regenerate.
13044 * gcc.dg/990119-1.c: No longer expected to fail.
13046 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13048 * jump.c (jump_optimize_1): Delete an optimization that is also done
13049 by merge_blocks in flow.
13051 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13053 * diagnostic.c (build_message_string, output_printf,
13054 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13055 (build_location_prefix): Fix non-literal format string.
13057 2000-01-27 Richard Henderson <rth@cygnus.com>
13059 * alpha.md (trunctfsf2): New.
13061 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13063 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13065 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13067 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13069 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13071 (skip_comment) ... here. Permit C++ comments in system
13072 headers always. Warn about C++ comments in user code under
13073 -std=gnu89 -pedantic.
13074 (copy_comment): Use skip_comment.
13075 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13077 (consider_directive_while_skipping, do_else, do_endif): Call
13078 validate_else unconditionally.
13079 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13080 text after the conditional in a system header.
13081 * cpplib.h (struct cpp_buffer): Add flag
13082 warned_cplusplus_comments.
13084 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13086 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13087 Use unshare_all_rtl_1.
13088 (unshare_all_rtl_again): New function.
13089 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13091 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13092 rather than resetting the 'used' flags ourself.
13094 * toplev.c (rest_of_compilation): Add current_function_decl
13095 to the unshare_all_rtl call.
13096 * tree.h: Prototype unshare_all_rtl.
13097 * rtl.h: Prototype unshare_all_rtl_again here.
13099 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13101 * genoutput.c (output_prologue): Include ggc.h in generated
13103 * Makefile.in (insn-output.o): Depends on ggc.h.
13105 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13106 Hans-Peter Nilsson <hp@bitrange.com>
13108 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13109 Remove redundant include of xm-ns32k.h.
13110 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13111 Remove redundant include of xm-ns32k.h.
13112 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13113 Remove redundant include of xm-ns32k.h.
13114 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13116 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13117 (TARGET_SWITCHES): Add documentation strings.
13118 (DWARF_FRAME_REGNUM): Override default definition.
13119 (REG_CLASS_CONTENTS): Add comments.
13120 (SUBSET_P): Format to reduce line length.
13121 (SMALL_REGISTER_CLASSES): Make a run time option.
13122 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13123 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13124 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13125 (regclass_map): fix typo in comment.
13126 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13127 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13128 (trace, reg_or_mem_operand): Delete, unused function.
13129 (calc_address_cost): Small offsets are cheaper than large ones.
13130 (expand_block_move): Generate more efficient code when bytes is a
13131 known at compile time.
13132 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13133 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13134 instead of reg_or_mem_operand.
13136 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13137 not general_operand. Similarly use "=rm" or stricter, not "=g".
13138 For input operands, use stricter constraints than "g" if not
13139 general_operand. Similarly use stricter predicate than
13140 "general_operand" when stricter constraints than "g" are present,
13141 except for matching constraints.
13142 (movstrsi): Use "memory_operand" for operands 0 and 1.
13143 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13144 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13145 not reg_or_mem_operand.
13146 (udivmoddisi4): Ditto.
13147 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13148 Use nonimmediate_operand for operand 3, not register_operand.
13149 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13150 reg_or_mem_operand.
13152 2000-01-27 Fred Fish <fnf@be.com>
13154 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13155 * gthr-single.h: Likewise.
13156 * gthr-solaris.h: Likewise.
13157 * gthr-vxworks.h: Likewise.
13158 * gthr-win32.h: Likewise.
13159 * gthr.h: Likewise.
13161 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13163 * cppinit.c: Add " (cpplib)" to end of string printed by
13166 2000-01-27 Richard Henderson <rth@cygnus.com>
13168 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13169 testing for a signed comparison.
13170 (alpha_emit_floatuns): New.
13171 * alpha-protos.h: Declare it.
13172 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13173 (extendsfdf2): Tidy.
13175 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13177 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13178 no -g option specifying debugging format, default to -gstabs+.
13180 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13182 * calls.c (special_function_p): New argument fork_or_exec.
13183 (expand_call): When profile_arc_flag is set and the function
13184 is in the fork_or_exec group, call __bb_fork_func first.
13185 * libgcc2.c, _bb module (__bb_fork_func): New function.
13186 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13188 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13189 * tree.h (special_function_p): Update prototype.
13191 2000-01-26 Richard Henderson <rth@cygnus.com>
13193 * alpha.c (alpha_split_tfmode_pair): New.
13194 * alpha-protos.h: Declare it.
13195 * alpha.md (abstf2, negtf2): New.
13196 (movtf insn): Add input G constraint.
13197 (movtf splitter): Use alpha_split_tfmode_pair.
13199 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13201 * i386/cygwin.h: PROTO -> PARAMS.
13203 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13205 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13206 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13207 using _Qp_cmp/_Q_cmp and testing the return value.
13208 (print_operand): Call reverse_condition_maybe_unordered if
13209 we are handling CCFPmode or CCFPEmode.
13210 Handle ORDERED, UN* and LTGT comparisons.
13211 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13212 if not TARGET_HARD_QUAD.
13213 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13214 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13215 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13216 Adjust gen_b* calls so that they reflect return comparison of
13217 sparc_emit_float_lib_cmp.
13219 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13221 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13222 incoming operands array is large enough for one more operand.
13223 (alpha_emit_xfloating_arith): Likewise.
13225 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13227 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13228 file with one line and no trailing newline.
13229 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13230 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13231 checking if the match is on the line.
13232 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13234 2000-01-25 Richard Henderson <rth@cygnus.com>
13236 * sparc.c (output_cbranch): Fix accidental squashing of the
13237 fp branch pre-delay nop.
13239 2000-01-25 Richard Henderson <rth@cygnus.com>
13241 * tree.def (UNNE_EXPR): Remove.
13242 * c-typeck.c (build_binary_op): Don't handle it.
13243 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13245 * rtl.def (UNNE): Remove.
13247 * jump.c (reverse_condition): Update accordingly.
13248 (swap_condition): Likewise.
13249 (comparison_dominates_p): Handle unordered comparisons.
13250 (reverse_condition_maybe_unordered): New.
13251 * rtl.h (reverse_condition_maybe_unordered): Declare.
13253 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13254 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13255 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13256 * sparc.md (bltgt): New.
13258 2000-01-25 Nick Clifton <nickc@redhat.com>
13260 * emit-rtl.c (emit_insn): Only check machine class insns for
13261 improper emission of a RETURN.
13263 2000-01-25 Richard Henderson <rth@cygnus.com>
13265 * Makefile.in (flow.o): Depend on $(EXPR_H).
13266 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13267 duplicate the structure of diddle_return_value for keeping regs live.
13269 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13271 * loop.c (current_loop_info): Delete.
13272 (consec_sets_invariant_p): Add loop argument, update callers.
13273 (get_condition_for_loop): Likewise.
13274 (count_nonfixed_reads, update_giv_derive): Likewise.
13275 (simplify_giv_expr, general_induction_var): Likewise.
13276 (consec_sets_giv, recombine_givs): Likewise.
13277 (move_movables): Delete loop_start and loop_end arguments,
13278 add loop argument, and update callers.
13279 (find_mem_givs, check_final_value): Likewise.
13280 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13281 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13283 (basic_induction_var): Add loop argument, delete loop_level argument,
13284 and update callers.
13285 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13286 add loop argument, and update callers.
13287 (find_splittable_regs, find_splittable_givs): Likewise.
13288 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13289 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13290 (biv_total_increment): Delete loop_start and loop_end arguments;
13292 (precondition_loop_p): Delete loop_start and loop_info arguments;
13294 * loop.h (get_condition_for_loop): Add loop argument.
13295 (biv_total_increment): Delete loop_start and loop_end arguments.
13296 (precondition_loop_p): Delete loop_start and loop_info arguments;
13298 (final_biv_value): Delete loop_start and loop_end arguments;
13300 (final_giv_value, back_branch_in_range_p): Likewise.
13302 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13304 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13306 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13308 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13309 point to the new "generated_files" doc.
13311 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13313 * config/fp-bit.c (_unord_f2): Fix typo.
13315 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13317 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13318 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13319 functions obsoleted by GC, such as push_obstacks_nochange,
13320 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13321 and code which existed only to decide whether or not to call
13322 them. Remove now-unused NESTED argument from start_function;
13323 all callers changed. Do not change behavior based on ggc_p.
13324 The use of the ixp_obstack in c-iterate.c and the util_obstack
13325 in objc/objc-act.c remain; these are not obsoleted by garbage
13327 * c-tree.h: Update prototype for start_function.
13329 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13331 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13333 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13336 2000-01-25 Richard Henderson <rth@cygnus.com>
13338 * sparc-protos.h (select_cc_mode): Declare.
13339 * sparc.c (select_cc_mode): New. Handle unordered compares.
13340 (output_cbranch): Always reverse via code change. Handle
13341 unordered compares. Factor tests and string updates.
13342 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13343 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13344 * sparc.md (bunordered, bordered): New.
13345 (bungt, bunlt, buneq, bunge, bunle): New.
13347 2000-01-25 Richard Henderson <rth@cygnus.com>
13349 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13350 * ggc-common.c (ggc_add_rtx_varray_root): New.
13351 (ggc_mark_rtx_varray): New.
13352 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13353 functions down below ggc_mark_foo.
13354 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13356 2000-01-25 Richard Henderson <rth@cygnus.com>
13358 * alpha.c (secondary_reload_class): Don't allocate a secondary
13359 for integral mode memories into FLOAT_REGS. Rearrange the more
13360 complicated memory expression inward.
13362 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13364 * inclhack.def: Fixes to play nicer with FreeBSD, and
13365 corrections to comments.
13366 (cxx_unready): Add select expression.
13367 (irix_sockaddr): Add bypass expression.
13368 (machine_ansi_h_va_list): New fix.
13369 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13370 Split out addition of "#include <stdarg.h>" to...
13371 (stdio_stdarg_h): ... here.
13372 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13373 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13374 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13376 (ultrix_ifdef): Tighten up select expression.
13378 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13379 re_ct and max_mach to avoid use of shell. Make printed names
13380 match names in inclhack.def. Use static copyright date.
13381 Don't count c_test and test expressions as requiring regex_t
13382 slots. Add some commentary.
13383 * inclhack.tpl: Do not include the 'This script contains N
13384 fixup scripts' line if PROGRAM is defined. Use static
13387 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13389 * dwarf2out.c: include "varray.h", not dyn-string.h.
13390 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13391 (addr_const_to_string, addr_to_string): Lose.
13392 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13393 (struct dw_val_struct): val_addr is now an rtx.
13394 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13395 (used_rtx_varray): New varray.
13396 (dwarf2out_init): Initialize it.
13397 (save_rtx): New fn.
13398 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13400 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13401 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13402 * Makefile.in (dwarf2out.o): Update dependencies.
13404 2000-01-24 Richard Henderson <rth@cygnus.com>
13406 * i386.c (i386_dwarf_output_addr_const): New.
13407 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13409 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13411 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13412 * i386.c (i386_simplify_dwarf_addr): New.
13413 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13415 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13417 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13418 TYPE_STUB_DECL is NULL.
13420 2000-01-24 Richard Henderson <rth@cygnus.com>
13422 * builtins.c (expand_tree_builtin): Move ...
13423 * c-common.c (expand_tree_builtin): ... here.
13425 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13427 * loop.h (LOOP_INFO): New accessor macro.
13428 * basic-block.h (struct loop): Rename field `info' to `aux'.
13429 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13430 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13431 * unroll.c (loop_iterations, unroll_loop): Likewise.
13433 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13435 * config/i386/t-cygwin: Accomodate new winsup directory layout
13436 when searching for include files.
13438 2000-01-24 Richard Henderson <rth@cygnus.com>
13440 * rtl.def: Add unordered fp comparisions.
13441 * tree.def: Likewise.
13442 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13444 * builtins.c (expand_tree_builtin): New function.
13445 * c-typeck.c (build_function_call): Use it.
13446 (build_binary_op): Support unordered compares.
13447 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13449 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13450 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13451 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13452 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13453 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13455 (swap_condition): Handle unordered compares.
13456 (thread_jumps): Check can_reverse before reversing.
13457 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13460 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13461 setcc is present before acking for cmp_optab. Update all callers.
13462 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13463 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13464 * expr.c (expand_expr): Likewise. Support unordered compares.
13465 (do_jump, do_store_flag): Likewise.
13466 * expr.h (enum libfunc_index): Add unordered compares.
13468 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13469 (DPBIT_FUNCS): Add _unord_df.
13470 * config/fp-bit.c (_unord_f2): New.
13471 * fp-test.c (main): Try unordered compare builtins.
13473 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13474 * alpha.c (alpha_comparison_operator): Check mode properly.
13475 (alpha_swapped_comparison_operator): Likewise.
13476 (signed_comparison_operator): Likewise.
13477 (alpha_fp_comparison_operator): New.
13478 (alpha_emit_conditional_branch): Handle unordered compares.
13479 * alpha.h (PREDICATE_CODES): Update.
13480 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13481 (bunordered, bordered): New.
13483 2000-01-24 Richard Henderson <rth@cygnus.com>
13485 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13486 * alpha.md (movtf): New expander, insn, and splitter.
13488 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13490 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13493 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13495 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13496 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13497 REG_ALLOC_ORDER): Add frame pointer
13498 (FRAME_POINTER_REGNUM): Set to 20
13499 (HARD_FRAME_POINTER_REGNUM): New macro.
13500 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13501 to HARD_FRAME_POINTER.
13502 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13503 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13504 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13505 (HI_REGISTER_NAMES): Add "frame".
13506 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13507 (debug_reg): Handle FRAME_POINTER_REGNUM.
13508 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13509 GENERAL_REGS and INDEX_REGS.
13510 * i386.c (SAVED_REGS_FIRST): new macro.
13511 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13512 (ix86_decompose_address, memory_address_length): Likewise.
13513 (regclass_map): Add frame pointer.
13514 (call_insn_operand): Handle frame_pointer_rtx.
13515 (reg_no_sp_operand): Likewise.
13516 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13517 (print_operand, legitimize_pic_address): Fix formating.
13518 (ix86_compute_frame_size): Make static, update prototype, new
13519 parameters padding1, padding2, use ix86_nsaved_regs, use
13520 stack_alignment_needed.
13521 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13522 to HARD_FRAME_POINTER_REGNUM conversions.
13523 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13524 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13525 (print_reg): Abort on FRAME_POINTER_REGNUM
13527 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13529 * i386.h (PREDICATE_CODES): Add aligned_operand.
13530 * i386.c (aligned_operand): New function.
13531 (ix86_aligned_p): Kill.
13532 * i386.md (movhi_1): Emit mov for aligned operands.
13533 (promoting peep2s): Use aligned_operand.
13535 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13537 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13538 expression to allow underscores in macro names.
13539 (fix_char_macro_defines): Increment scanning pointer.
13541 2000-01-23 Richard Henderson <rth@cygnus.com>
13543 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13544 * alpha/osf5.h: New file.
13545 * configure.in (alpha-*-osf5): Add it to tm_file.
13547 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13549 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13550 (alpha_emit_xfloating_cvt, function_arg): Declare.
13551 * alpha.c (alpha_emit_conditional_branch): Call
13552 alpha_emit_xfloating_compare for TFmode compares.
13553 (alpha_lookup_xfloating_lib_func): New.
13554 (alpha_compute_xfloating_mode_arg): New.
13555 (alpha_emit_xfloating_libcall): New.
13556 (alpha_emit_xfloating_arith): New.
13557 (alpha_emit_xfloating_compare): New.
13558 (alpha_emit_xfloating_cvt): New.
13559 (print_operand): Add default abort case.
13560 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13561 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13562 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13563 (RETURN_IN_MEMORY): True for TF/TCmode.
13564 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13565 (FUNCTION_ARG): Move to function_arg.
13566 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13567 (ASM_OUTPUT_LONG_DOUBLE): New.
13568 (ASM_OUTPUT_DOUBLE): Always output bits.
13569 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13570 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13571 (extenddftf2, trunctfdf2): New.
13573 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13575 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13576 * config/sparc/sol2.h: ... here.
13578 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13580 * basic-block.h (struct loops): New field `levels'.
13581 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13582 (flow_loop_level_compute): Initialise level to 1.
13583 (flow_loops_find): Set loops->levels.
13584 (flow_loops_dump): Print loops->levels.
13586 2000-01-23 Richard Henderson <rth@cygnus.com>
13588 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13589 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13591 2000-01-23 Richard Henderson <rth@cygnus.com>
13593 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13594 * i386.h (DBX_REGISTER_NUMBER): Use them.
13595 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13596 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13597 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13598 * i386/sequent.h: Kill incorrect comment.
13600 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13602 * ggc-page.c (struct page_entry): Make `context_depth' an
13604 (struct globals): Likewise.
13606 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13608 * loop.c (check_dbra_loop): When checking a loop for
13609 reversability, check the source of any stores to ensure
13610 they don't depend on an initial value.
13612 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13614 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13616 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13618 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13619 'pz_scan' into scope of entire function. Only affects
13620 compiles with -DDEBUG.
13622 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13624 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13625 section naming to that prior to 2000-01-07 patch.
13626 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13627 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13628 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13629 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13630 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13632 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13634 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13637 2000-01-21 Jim Wilson <wilson@cygnus.com>
13639 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13640 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13642 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13644 * cpphash.c (change_newlines): Delete function.
13645 (struct argdata): Delete 'newlines' and 'use_count' fields.
13646 (macroexpand): Remove code referencing those fields.
13648 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13650 * loop.c (loops_info): New variable.
13651 (loop_optimize): Allocate loops->array and free it on exit.
13652 Allocate memory for loops_info and assign to each loop,
13654 (find_and_verify_loops): Do not allocate loops->array.
13656 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13658 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13660 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13662 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13663 pseudos if expanded after first flow.
13664 (movdi_pic_label_ref): Likewise.
13666 2000-01-20 Richard Henderson <rth@cygnus.com>
13668 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13670 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13672 * Makefile.in (fixinc.sh): Depend on specs.
13673 * fixinc/Makefile.in: Add rule to create machname.h.
13674 (fixlib.o): Depend on machname.h.
13675 * fixinc/fixtests.c (machine_name): New test.
13676 * fixinc/fixfixes.c (machine_name): New fix.
13677 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13678 the machine_name test and fix.
13679 * fixinc/fixlib.h: Prototype it.
13680 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13681 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13683 * gcc.c (do_spec_1) [case P]: Take care not to create
13684 identifiers with three leading or trailing underscores.
13686 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13687 (fixincl): Don't specify libraries twice on link line.
13688 (gnu-regex.o): Remove special rule.
13689 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13690 defined by config.h. Do not define _REGEX_RE_COMP.
13691 (regcomp): Allocate and initialize a fastmap.
13692 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13694 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13696 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13698 2000-01-19 Richard Henderson <rth@cygnus.com>
13700 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13701 arguments with BB. Update all callers. Tidy line wrapping.
13703 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13705 * emit-rtl.c (try_split): Return last_insn if we split the
13708 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13710 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13711 (ix86_initial_elimination_offset): Declare.
13712 * i386.c (ix86_nsaved_regs): Break out from ...
13713 (ix86_can_use_return_insn_p): ... here.
13714 (ix86_emit_save_regs): Break out from ...
13715 (ix86_expand_prologue): ... here.
13716 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13718 (ix86_expand_epilogue): ... here.
13719 (ix86_compute_frame_size): Make static, add prototype.
13720 (ix86_initial_elimination_offset): Break out from ...
13721 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13723 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13725 * recog.h (OUT_FCN): Delete.
13727 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13729 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13731 * cppalloc.c: PROTO -> PARAMS.
13732 * cpperror.c: Likewise.
13733 * cppfiles.c: Likewise.
13734 * cpplib.c: Likewise.
13735 * cpplib.h: Likewise.
13737 * config/arm/arm-protos.h: PROTO -> PARAMS.
13738 * config/arm/arm.c: Likewise.
13739 * config/c4x/c4x.c: Likewise.
13740 * config/fr30/fr30-protos.h: Likewise.
13741 * config/nextstep.c: Likewise.
13742 * config/pa/pa.c: Likewise.
13743 * config/pj/pj.c: Likewise.
13744 * config/rs6000/rs6000.c: Likewise.
13745 * config/v850/v850-protos.h: Likewise.
13746 * config/v850/v850.c: Likewise.
13748 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13750 * i370-protos.h: New file.
13752 * i370.c: Include tm_p.h. Fix compile time warnings.
13754 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13757 * i370.md: Likewise.
13759 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13761 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13762 (target_isinf, target_isnan, eisnan): Mark parameter with
13764 (eiisinf): Wrap in INFINITY.
13765 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13766 (ibmtoe): Remove unused variable `rndsav'.
13768 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13770 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13771 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13773 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13775 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13776 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13777 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13779 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13780 Recognize Emacs mode markers also.
13781 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13782 C++ comments in C++ headers. Call is_cxx_header only if
13785 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13786 bypass for ncurses.
13787 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13788 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13789 ... these, which use the new C fixes.
13790 (math_exception): Escape literal '+' in bypass expression.
13792 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13795 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13797 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13800 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13802 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13803 prior to calling scan_loop.
13805 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13807 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13808 (split_branches, calc_live_regs): Likewise.
13810 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13812 * sh.md (fpu_single, fp_mode): New attributes.
13814 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13816 * loop.c (current_loop_info): Renamed from loop_info_data
13817 and changed to a pointer.
13818 (loop_optimize): Allocate loop_info structure for each loop
13819 and initialise to zero.
13820 (scan_loop): Set current_loop_info.
13822 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13825 2000-01-19 Richard Henderson <rth@cygnus.com>
13827 * stupid.c: Die die die.
13828 * Makefile.in (OBJS): Remove stupid.o.
13829 (stupid.o): Likewise.
13831 * except.c (emit_eh_context): Don't emit USEs for stupid.
13832 * explow.c (probe_stack_range): Likewise.
13833 * flags.h (obey_regdecls): Remove.
13834 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13835 when not optimizing.
13836 (life_analysis): Limit data collection when not optimizing.
13837 (mark_regs_live_at_end): Always mark the return value registers.
13838 (mark_used_regs): Remove dummy RETURN case.
13839 (print_rtl_with_bb): Don't consult obey_regdecls.
13840 * function.c (use_variable, use_variable_after): Remove.
13841 (assign_parms): Consult optimize not obey_regdecls.
13842 (expand_function_start): Don't emit USEs for stupid.
13843 (expand_function_end): Likewise.
13844 * global.c (build_insn_chain): Export.
13845 * integrate.c (expand_inline_function): Kill return-value USE
13847 * jump.c (jump_optimize_1): Do simple jump optimizations and
13848 dead code elimination.
13849 (calculate_can_reach_end): Remove check_deleted argument.
13850 (delete_insn): Patch out insns even when not optimizing.
13851 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13852 * rtl.h (use_variable, use_variable_after): Remove declarations.
13853 (build_insn_chain): Declare.
13854 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13855 (expand_end_bindings): Likewise.
13856 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13857 * toplev.c (obey_regdecls): Remove.
13858 (rest_of_compilation): Don't set it. Kill stupid in favour of
13859 flow1, local-alloc, and reload.
13860 (main): Don't set obey_regdecls.
13862 * config/nextstep.c (handle_pragma): Likewise.
13864 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13866 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13868 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13870 * alpha-protos.h: PROTO -> PARAMS.
13871 * alpha.c: Likewise.
13873 * h8300.c: Likewise.
13874 * i386-protos.h: Likewise.
13875 * i386.c: Likewise.
13876 * m32r-protos.h: Likewise.
13877 * m32r.c: Likewise.
13878 * mips.c: Likewise.
13879 * mips.md: Likewise.
13880 * gmon-sol2.c: Likewise.
13881 * sparc.c: Likewise.
13883 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13885 * ns32k-protos.h: New file.
13887 * ns32k.c: Fix compile time warnings.
13889 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13892 * ns32k.md: Likewise.
13894 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13896 * vax-protos.h: New file.
13898 * vax.c: Fix compile time warnings.
13900 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13903 * vax.md: Likewise.
13905 * vaxv.md: Likewise.
13907 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13909 * romp-protos.h: New file.
13911 * romp.c: Fix compile time warnings.
13913 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13916 * romp.md: Likewise.
13918 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13920 * we32k-protos.h: New file.
13922 * we32k.c: Fix compile time warnings.
13924 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13927 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13929 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13931 * except.c (eh_regs): Likewise.
13933 * final.c (output_operand): Likewise.
13935 * fold-const.c (target_isinf, target_isnan): Likewise.
13937 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13939 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13940 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13942 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13943 when optimize_size.
13944 (clrstrsi): Rewrite.
13945 (strsethi, strsetqi): New expanders.
13946 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13947 (cmpstrsi): Emit compare insn before cmpstrsi_1
13948 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13949 (strlensi_1): Likewise.
13950 (cmpstrsi_1): Likewise; do not output compare.
13951 (strlen expander): Do not unroll when optimizing for size.
13952 (*subsi3_carry): Rename to subsi3_carry
13953 (addqi3_cc): New pattern.
13954 * i386.h (processor_costs): Add move_ratio field.
13955 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13956 * i386.c (*_cost): Set move_ratio.
13957 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13958 (x86_expand_strlensi_1): Rewrite the main loop.
13960 2000-01-17 Richard Henderson <rth@cygnus.com>
13962 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13963 * cse.c (find_comparison_args, fold_rtx): Likewise.
13964 * integrate.c (subst_constants): Likewise.
13965 * loop.c (get_condition): Likewise.
13967 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13969 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13971 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13973 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13974 (RESTORE_WARN_FLAGS): Unpack it.
13975 Change semantic type of extension to ttype.
13976 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13977 * c-parse.y, c-parse.c, objc/objc-parse.y,
13978 objc/objc-parse.c: Regenerate.
13980 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13982 * fixinc/fixlib.c: Add copyright notice.
13983 (compile_re): New function.
13984 * fixinc/fixlib.h: Prototype compile_re.
13986 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13987 Use compile_re to compile regular expressions.
13989 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13990 where the pattern matched.
13992 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13994 (ultrix_ansi_compat): Likewise.
13995 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13997 (interactv_add2, interactv_add3): Delete.
13998 (x11_sprintf): Don't use filename glob.
13999 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
14002 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14004 * print-rtl.c: PROTO -> PARAMS.
14005 * real.c: Likewise.
14006 * reg-stack.c: Likewise.
14007 * resource.c: Likewise.
14008 * sdbout.h: Likewise.
14009 * simplify-rtx.c: Likewise.
14010 * stor-layout.c: Likewise.
14011 * stupid.c: Likewise.
14012 * xcoffout.c: Likewise.
14013 * xcoffout.h: Likewise.
14015 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14017 * toplev.c: PROTO -> PARAMS.
14018 * toplev.h: Likewise.
14019 * tree.c: Likewise.
14020 * tree.h: Likewise.
14021 * unroll.c: Likewise.
14022 * varasm.c: Likewise.
14023 * varray.c: Likewise.
14024 * varray.h: Likewise.
14026 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14028 * reload.c: PROTO -> PARAMS.
14029 * reload.h: Likewise.
14030 * reload1.c: Likewise.
14031 * reorg.c: Likewise.
14032 * resource.h: Likewise.
14035 * rtlanal.c: Likewise.
14036 * sbitmap.h: Likewise.
14037 * sdbout.c: Likewise.
14038 * stack.h: Likewise.
14039 * stmt.c: Likewise.
14040 * system.h: Likewise.
14042 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14044 * machmode.h: PROTO -> PARAMS.
14045 * mbchar.h: Likewise.
14046 * mips-tdump.c: Likewise.
14047 * mips-tfile.c: Likewise.
14048 * optabs.c: Likewise.
14049 * output.h: Likewise.
14050 * prefix.c: Likewise.
14051 * profile.c: Likewise.
14052 * protoize.c: Likewise.
14053 * real.h: Likewise.
14054 * recog.c: Likewise.
14055 * recog.h: Likewise.
14056 * regclass.c: Likewise.
14057 * regmove.c: Likewise.
14058 * regs.h: Likewise.
14060 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14062 * ggc-common.c: PROTO -> PARAMS.
14063 * ggc-page.c: Likewise.
14064 * ggc-simple.c: Likewise.
14066 * global.c: Likewise.
14067 * graph.c: Likewise.
14068 * gthr-win32.h: Likewise.
14069 * haifa-sched.c: Likewise.
14070 * halfpic.h: Likewise.
14071 * integrate.c: Likewise.
14072 * integrate.h: Likewise.
14073 * jump.c: Likewise.
14075 * local-alloc.c: Likewise.
14076 * loop.c: Likewise.
14077 * loop.h: Likewise.
14079 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14081 * genattr.c: PROTO -> PARAMS.
14082 * genattrtab.c: Likewise.
14083 * gencheck.c: Likewise.
14084 * gencodes.c: Likewise.
14085 * genconfig.c: Likewise.
14086 * genemit.c: Likewise.
14087 * genextract.c: Likewise.
14088 * genflags.c: Likewise.
14089 * gengenrtl.c: Likewise.
14090 * genopinit.c: Likewise.
14091 * genoutput.c: Likewise.
14092 * genpeep.c: Likewise.
14093 * genrecog.c: Likewise.
14095 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14097 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14099 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14101 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14102 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14103 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14104 * configure, config.in: Rebuilt.
14106 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14108 * config/i386/i386.md: Add peephole to merge successive stack
14111 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14113 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14114 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14115 when walking backwards to find all the parameter loads when
14116 the basic block ends in a call.
14118 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14120 * loop.c (this_loop_info): Delete.
14121 (uid_loop): Add in place of uid_loop_num. All uses updated.
14122 (loop_number_exit_count): Delete and replace with entry in loop
14123 structure. All uses updated.
14124 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14125 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14126 (loop_outer_loop): Likewise.
14127 (loop_invalid, loop_number_exit_labels): Likewise.
14128 (loop_used_count_register): Delete and replace with entry in
14129 loop_info structure.
14130 (find_and_verify_loops): Add loops argument.
14131 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14132 loop_end, etc. arguments with loop structure pointer. All callers
14134 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14135 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14136 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14137 (insert_bct): Likewise.
14138 (basic_induction_var): New argument level.
14139 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14140 vtop, and cont. Add used_count_register.
14141 (uid_loop): Delete declaration.
14142 (loop_number_exit_count): Likewise.
14143 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14144 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14145 (loop_outer_loop, loop_used_count_register): Likewise.
14146 (loop_invalid, loop_number_exit_labels): Likewise.
14147 (unroll_loop): Replace loop_start and loop_end arguments
14148 with loop structure pointer.
14149 (loop_precondition_p, loop_iterations): Likewise.
14150 Include basic-block.h.
14151 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14152 with loop structure pointer.
14153 (loop_precondition_p, loop_iterations): Likewise.
14154 * basic-block.h (struct loop): New entries vtop, cont,
14155 cont_dominator, start, end, top, scan_start, exit_labels,
14157 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14159 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14161 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14163 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14165 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14167 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14169 * pdp11-protos.h: New file.
14171 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14174 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14177 * pdp11.md: Likewise.
14179 * 2bsd.h: Likewise.
14181 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14183 * mn10300-protos.h: New file.
14185 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14188 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14191 * mn10300.md: Likewise.
14193 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14195 * mn10200-protos.h: New file.
14197 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14200 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14203 * mn10200.md: Likewise.
14205 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14207 * h8300-protos.h: New file.
14209 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14212 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14215 * h8300.md: Likewise.
14217 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14219 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14220 (asm_emit_uninitialised): Likewise.
14222 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14224 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14225 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14227 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14229 * config/mips/mips.c (override_options): Don't turn on extra
14230 alignment for mips16.
14232 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14234 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14235 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14238 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14240 * builtins.c (PAD_VARARGS_DOWN): Define.
14241 (std_expand_builtin_va_arg): Use the above macro.
14242 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14243 * tm.texi (Register Arguments): Document the above macro.
14245 2000-01-14 Nick Clifton <nickc@cygnus.com>
14247 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14248 that this function has not been used to emit a jump
14251 * jump.c (return_jump_1): Cope with being passed a null rtx.
14253 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14255 * eh-common.h: PROTO -> PARAMS.
14256 * emit-rtl.c: Likewise.
14257 * errors.c: Likewise.
14258 * errors.h: Likewise.
14259 * except.c: Likewise.
14260 * except.h: Likewise.
14261 * explow.c: Likewise.
14262 * expmed.c: Likewise.
14263 * expr.c: Likewise.
14264 * expr.h: Likewise.
14265 * final.c: Likewise.
14266 * fix-header.c: Likewise.
14267 * flow.c: Likewise.
14268 * fold-const.c: Likewise.
14269 * function.c: Likewise.
14270 * function.h: Likewise.
14272 * gcov-io.h: Likewise.
14273 * gcov.c: Likewise.
14274 * gcse.c: Likewise.
14276 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14278 * sh-protos.h: New file.
14280 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14281 Add static prototypes. Fix compile time warnings.
14283 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14287 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14289 * arc-protos.h: New file.
14291 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14294 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14297 * arc.md: Likewise.
14299 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14301 * dsp16xx-protos.h: New file.
14303 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14306 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14309 * dsp16xx.md: Likewise.
14311 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14313 * convex-protos.h: New file.
14315 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14318 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14321 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14323 * elxsi-protos.h: New file.
14325 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14328 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14331 * elxsi.md: Likewise.
14333 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14335 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14336 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14337 match the comment for MIPS16.
14339 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14341 * flow.c (split_edge): Do not call set_block_for_insn if we
14342 do not have a basic_block_for_insn structure.
14344 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14345 and destination functions are 32bit aligned within the trampoline.
14346 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14347 (TRAMPOLINE_ALIGNMENT): Define.
14349 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14350 (set (pc) (label_ref)), verify the change creates a valid insn.
14352 * fr30.c (call_operand): Tighten and rework to match rules for
14353 call RTL expressions.
14354 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14355 * fr30.md (call patterns): Improve constraints.
14357 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14359 * fr30.c (fr30_expand_epilogue): Revert last change.
14360 Use emit_jump_insn for the return insn.
14362 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14363 Stan Cox <scox@cygnus.com>
14365 * predict.c: New file. Preliminary infrastructure work for static
14366 branch prediction and basic block reordering.
14367 * basic-block.h: Add prototype for estimate_probability.
14368 * Makefile.in: Add rules for predict.o.
14370 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14372 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14373 * fixinc/*: Likewise.
14375 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14377 * cccp.c: PROTO -> PARAMS.
14378 * cexp.y: Likewise.
14379 * collect2.c: Likewise.
14380 * combine.c: Likewise.
14381 * convert.h: Likewise.
14383 * dbxout.c: Likewise.
14384 * dbxout.h: Likewise.
14385 * diagnostic.c: Likewise.
14386 * doprint.c: Likewise.
14387 * dwarf2out.c: Likewise.
14388 * dwarf2out.h: Likewise.
14389 * dwarfout.c: Likewise.
14390 * dwarfout.h: Likewise.
14391 * dyn-string.h: Likewise.
14393 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14395 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14396 macro conditionals guarding use.
14398 * dwarf2out.c: Include "tm_p.h".
14400 * function.c (locate_and_pad_parm): Mark parameter with
14402 (expand_function_end): Likewise for variable `context'.
14404 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14406 2000-01-13 Nick Clifton <nickc@cygnus.com>
14408 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14409 register to prevent compile time warnings.
14411 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14413 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14414 to avoid -Wtraditional warning.
14416 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14418 * 1750a-protos.h: New file.
14420 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14423 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14426 * 1750a.md: Likewise.
14428 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14430 * a29k-protos.h: New file.
14432 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14435 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14438 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14440 * clipper-protos.h: New file.
14442 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14445 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14448 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14450 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14452 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14454 * configure.in (--enable-new-gxx-abi): New option.
14455 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14456 * Makefile.in (GXX_ABI_FLAG): New variable.
14457 * configure: Regenerate.
14459 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14461 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14462 * tm.texi (FORCE_STRUCT_BLK): Document.
14463 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14465 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14467 * config/ns32k/ns32k.md: Revert Jan 9 change.
14469 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14470 to a mode-test, if the predicate is address_operand.
14472 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14474 * combine.c (if_then_else_cond): Be careful about what kinds
14475 of RTL expressions are passed to operand_subword.
14477 * flow.c (split_edge): If we have to insert a new jump, make
14478 sure to associate it with a basic block.
14480 * flow.c (commit_one_edge_insertion): A block with one successor
14481 can end in a JUMP_INSN that is not a simplejump.
14483 2000-01-12 Robert Lipe <robertl@sco.com>
14485 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14486 (BUILD_VA_LIST_TYPE): Define.
14487 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14490 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14492 * cccp.c (do_pragma): Add cast to (char *).
14494 2000-01-12 Richard Henderson <rth@cygnus.com>
14495 Fred Fish <fnf@be.com>
14496 Jason Merrill <jason@cygnus.com>
14498 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14499 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14500 * i386/beos-elf.h, i386/beos-pe.h: New files.
14502 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14503 * cross-make (SYSTEM_HEADER_DIR): Define using
14504 CROSS_SYSTEM_HEADER_DIR.
14506 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14507 (process_command): Use it.
14508 (main): Likewise. Kill trailing = from env vars.
14509 (build_search_list): Put it back.
14510 * collect2.c (main): Use LIBRARY_PATH_ENV.
14512 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14513 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14515 * tm.texi (Frame Layout): Document SMALL_STACK.
14516 * c-common.c (c_common_nodes_and_builtins): Check it.
14518 * system.h: Undef alloca after including glibc's <stdlib.h>,
14519 if USE_C_ALLOCA is defined.
14521 * gcc.c (set_input): New fn.
14522 (main): After all input files are compiled, reset the input file
14525 * aclocal.m4 (rindex, index): If already defined, don't attempt
14528 * ginclude/varargs.h: (__va_list__): Define ifndef.
14529 * ginclude/stdarg.h: Likewise.
14531 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14532 instead of unsigned char.
14534 * hash.h (true, false, boolean): Undef before enum.
14536 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14537 proper type of "HOST_WIDE_INT *", rather than their natural type of
14538 "unsigned HOST_WIDE_INT *".
14540 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14542 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14544 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14546 * regclass.c (choose_hard_reg_mode): Likewise.
14548 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14550 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14552 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14554 * c-common.c: PROTO -> PARAMS.
14555 * c-common.h: Likewise.
14556 * c-decl.c: Likewise.
14557 * c-iterate.c: Likewise.
14558 * c-lang.c: Likewise.
14559 * c-lex.c: Likewise.
14560 * c-lex.h: Likewise.
14561 * c-parse.in: Likewise.
14562 * c-pragma.c: Likewise.
14563 * c-pragma.h: Likewise.
14564 * c-tree.h: Likewise.
14565 * c-typeck.c: Likewise.
14566 * objc/objc-act.c: Likewise.
14567 * objc/objc-act.h: Likewise.
14569 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14571 * m88k-protos.h: New file.
14573 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14576 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14578 * m88k.md: Likewise.
14580 * tekXD88.h: Likewise.
14582 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14584 * m68k-protos.h: New file.
14586 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14589 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14591 * mot3300.h: Likewise.
14593 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14595 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14597 (extract_bitlist): Declare bitlen.
14599 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14601 * cccp.c: Accept and ignore -lang-fortran.
14603 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14604 qualifiers don't match at any level of pointerness.
14606 2000-01-12 Robert Lipe <robertl@sco.com>
14608 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14610 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14612 * reload1.c (reload_reg_unavailable): New static variable.
14613 (reload_reg_free_p): Test it.
14614 (reload_reg_free_for_value_p): Test it instead of
14616 (choose_reload_regs_init): Compute it.
14618 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14620 * reorg.c (fill_slots_from_thread): Check modified_in_p
14623 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14625 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14626 these nodes even if INTERNALS is not set.
14628 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14630 * gcse.c (delete_null_pointer_checks_1): Cope when
14631 get_condition cannot determine the condition.
14633 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14635 * toplev.h (set_message_length): Declare.
14637 * diagnostic.c (obstack_chunk_alloc): Define macro.
14638 (obstack_chunk_free): Likewise.
14639 (struct output_buffer): New data structure.
14640 (vmessage): Remove.
14641 (output_maximum_width): New variable.
14642 (doing_line_wrapping, set_message_length, init_output_buffer,
14643 get_output_prefix, output_space_left, emit_output_prefix,
14644 output_newline, output_append, output_puts, dump_output,
14645 vbuild_message_string, build_message_string, build_location_prefix,
14646 voutput_notice, output_printf, line_wrapper_printf,
14647 vline_wrapper_message_with_location): New functions. Implement
14648 automatic line wrapping.
14649 (v_message_with_decl): Make it handle automatic line wrapping.
14650 (v_error_with_file_and_line): Likewise.
14651 (v_warning_with_file_and_line): Likewise.
14652 (announce_function): Likewise.
14653 (default_print_error_function): Likewise.
14655 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14657 * cpplib.h (struct cpp_options): Change lang_asm to char.
14659 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14660 done in cpp_handle_option now.
14661 (initialize_builtins): Take out special case code used only by
14663 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14664 if -traditional. Recognize -lang-fortran and set
14665 lang_fortran, also turn off cplusplus_comments.
14666 (print_help): Document -lang-fortran.
14667 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14668 lang_asm. Ignore all directives other than `# 123 "file"' if
14670 (cpp_get_token): If -traditional, don't recognize directives
14671 unless the # is in column 1.
14672 (parse_string): If lang_fortran or lang_asm, silently
14673 terminate strings ('' or "") at end of line.
14674 Remove unnecessary braces.
14676 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14677 Richard Henderson <rth@cygnus.com>
14679 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14681 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14682 strict_low_part when possible.
14684 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14686 * alias.c: PROTO -> PARAMS.
14687 * basic-block.h: Likewise.
14688 * bitmap.c: Likewise.
14689 * bitmap.h: Likewise.
14690 * builtins.c: Likewise.
14691 * c-aux-info.c: Likewise.
14692 * caller-save.c: Likewise.
14693 * calls.c: Likewise.
14695 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14697 * Makefile.in (toplev.o): Depend on regs.h.
14699 * output.h (tdesc_section): Prototype.
14701 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14703 * sdbout.c: Include "tm_p.h".
14705 * toplev.c: Include "regs.h".
14707 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14709 * unroll.c (unroll_loop): Add EH support.
14711 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14713 * pa-protos.h: New file.
14715 * pa.c: Include recog.h and tm_p.h.
14716 (compute_zdepwi_operands, compute_movstrsi_length,
14717 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14718 find_addr_reg, import_milli): Add static prototypes.
14719 (pa_cpu_string, pa_arch_string): Constify a char*.
14720 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14721 (read_only_operand): Add argument `mode'.
14722 (singlemove_string, output_move_double, output_fp_move_double,
14723 output_block_move, output_and, output_ior, output_ascii,
14724 remove_useless_addtr_insns, milli_names, output_mul_insn,
14725 output_div_insn, output_mod_insn, output_arg_descriptor,
14726 output_cbranch, output_bb, output_bvb, output_dbra, ,
14727 output_millicode_call, output_call, hppa_encode_label,
14728 output_parallel_movb, output_parallel_addb): Constify a char*.
14729 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14730 (output_parallel_addb): Remove extra arg to `constrain_operands'
14732 * pa.h: Move all prototypes to pa-protos.h.
14733 (pa_cpu_string, pa_arch_string): Constify a char*.
14734 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14736 * pa.md: Call `function_label_operand' with mode argument.
14737 Likewise for `read_only_operand'.
14738 Fix nesting of parens in call to `symbolic_operand'.
14740 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14742 * i860-protos.h: New file.
14744 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14747 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14749 * i860.md: Likewise.
14751 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14753 * i386.md (movstrsi expander): Rewrite.
14754 (movstrsi_1 insn): Deleted.
14755 (strmovhi, strmovqi expander): New expanders.
14756 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14757 * i386.c (x86_single_stringop): New global variable.
14758 * i386.h (x86_single_stringop): Declare.
14759 (TARGET_SINGLE_STRINGOP): New macro.
14761 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14763 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14764 integer vararg POSTINCREMENT before the destination of the jump
14765 for the hard fp case.
14766 (function_arg_pass_by_reference): Pass a copy of CUM to
14769 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14770 for CONSTANT_ADDRESS_P above while loop for subreg.
14772 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14774 * flow.c (propagate_block): When a prologue/epilogue insn
14775 is marked dead, unconditionally clear libcall_is_dead and
14776 insn_is_dead, and only dump rtl if warnings aren't being
14779 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14781 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14782 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14783 (FIXED_REGISTERS): Set dirflag as fixed.
14784 (CALL_USED_REGISTERS): Set dirflag as used.
14785 (REG_ALLOC_ORDER): Set dirflag as last one.
14786 (DIRFLAG_REG): New macro.
14787 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14788 (HI_REGISTER_NAMES): Add dirflag.
14789 (DEBUF_PRINT_REG): Handle dirflag.
14790 * i386.md (type attribute): New cld and str types.
14791 (length_opcode attribute): Set cld and str to 1.
14792 (memory attribute): Set str to unknown - it is not clear from the
14794 (pent_np function unit): Prefixed string operations takes 12 cycles
14795 minimally; cld takes 2 cycles.
14796 (ppro_uops attribute): Str is "many" and cld is "few".
14797 (ppro_p0 unit): Handle cld here.
14798 (k6_alux unit): Handle cld and str types.
14799 (k6_load unit): It is ocupied by str opcodes.
14800 (k6_store unit): It is ocupied by str opcodes.
14801 (athlon_decode): Str is vector decoded.
14802 (athlon_ieu): Handle str and cld.
14803 (cld pattern): New.
14804 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14805 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14806 cmpstrsi_nz_1 insn): Do not output cld instruction
14808 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14810 * gcc.texi (G++ and GCC): Add Java and Chill.
14811 (Bug Critera): Don't list languages.
14813 * gcc.texi (Incompatibilities): No longer claim most C compilers
14816 * gcc.texi (G++ and GCC): Update other front-ends list.
14818 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14820 * i386.c (ix86_expand_setcc): Fix typo.
14821 (ix86_expand_movcc): Similarly.
14823 * Band-aid until haifa's bitset implementation is nuked.
14824 * haifa-sched.c (extract_bitlst): New parameter for size of the
14825 bitset in bits. All callers changed. Avoid looking at undefined
14826 bits in the bitset.
14827 (edgeset_bitsize): New variable.
14828 (schedule_region): Initialize edgeset_bitsize.
14830 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14832 * Makefile.in (optabs.o): Depend on real.h
14833 (resource.o): Depend on insn-attr.h
14835 * builtins.c (result_vector): Wrap prototype in macro conditions
14836 governing definition and use.
14838 * c-common.c: Include tm_p.h.
14840 * c-lex.c: Likewise.
14842 * elfos.h: Constify a char*.
14844 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14845 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14846 parameter with ATTRIBUTE_UNUSED.
14848 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14851 * haifa-sched.c (schedule_insns): Mark parameter with
14854 * optabs.c: Include real.h.
14856 * real.h (ereal_atof): Add prototype arguments.
14858 * resource.c: Include insn-attr.h.
14860 * sdbout.c (sdbout_queue_anonymous_type,
14861 sdbout_dequeue_anonymous_types): Wrap in macro
14862 SDB_ALLOW_FORWARD_REFERENCES.
14863 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14866 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14868 * stupid.c: Include tm_p.h.
14870 * tree.c (real_value_from_int_cst): Mark parameter with
14873 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14875 * i960-protos.h: New file.
14877 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14880 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14882 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14884 * combine.c (expand_field_assignment): Do not discard SUBREGs
14885 while computing nonzero_bits.
14887 2000-01-09 Nick Clifton <nickc@cygnus.com>
14889 * config/arm/arm.c: Fix compile time warnings about signed vs
14890 unsigned constants.
14891 * config/arm/arm.h: Fix compile time warnings about signed vs
14892 unsigned constants.
14894 2000-01-09 Philip Blundell <philb@gnu.org>
14896 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14897 than `ldm' with only one register.
14898 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14901 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14904 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14906 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14909 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14911 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14912 assignment used as truth value.
14914 * function.c (assign_temp): Mark parameter `dont_promote' with
14915 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14916 PROMOTE_FOR_CALL_ONLY.
14918 * genrecog.c (write_subroutine): Mark variable `operands' with
14921 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14924 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14925 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14927 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14930 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14932 * config/c4x.h: Tidy up comments.
14933 * config/c4x.c: Likewise.
14935 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14937 * fold-const.c (lshift_double, rshift_double): Handle
14938 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14940 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14942 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14943 in prepare_function_start().
14945 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14947 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14948 longer allocate extra stack for function calls.
14950 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14952 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14954 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14956 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14958 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14960 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14961 * aix43.h: Revert Aug 2 change.
14962 (HAS_INIT_SECTION): Define, not visible yet.
14963 (LD_INIT_SWITCH): Define, not visible yet.
14964 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14966 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14968 * collect2.c (main): Expand ld2 size further.
14969 (export_object_lst): Cast assignment to avoid warning.
14970 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14971 (scan_prog_file, COFF): Do not collect initialization or
14972 finalization functions generated for entire shared object if
14973 init/fini support present.
14975 2000-01-07 Nick Clifton <nickc@cygnus.com>
14977 * config/elfos.h: Tidy up formatting of marcos. Make sure
14978 that .section directives are always prefixed by a tab.
14980 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14983 2000-01-07 Matt Austern <austern@sgi.com>
14985 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14988 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14990 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14992 (crtbegin.o, s-crtS): Likewise.
14994 2000-01-06 Richard Henderson <rth@cygnus.com>
14996 * alpha.md (adddi_2+1): Limit offset such that it will be
14997 loadable with a single ldah+lda pair.
14998 (adddi_2+2): Explicitly fail split if we can't make it work.
15000 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
15002 * protoize.c: Conditionally include unistd.h.
15003 (IS_SAME_PATH_CHAR): New macro.
15004 (IS_SAME_PATH): New macro.
15005 (CPLUS_FILE_SUFFIX): New macro.
15006 (cplus_suffix): New static variable.
15007 (is_abspath): New static function.
15008 (in_system_include_dir): Handle DOS style pathnames.
15009 (file_could_be_converted): Likewise.
15010 (file_normally_convertible): Likewise.
15011 (directory_specified_p): Likewise.
15012 (file_excluded_p): Likewise.
15013 (abspath): Likewise.
15014 (shortpath): Likewise.
15015 (referenced_file_is_newer): Likewise.
15016 (save_def_or_dec): Likewise.
15017 (do_processing): Likewise.
15019 (edit_file): Likewise. Use rename instead of link.
15020 (rename_c_file): Likewise. Don't rename syscalls file.
15021 (munge_compile_params): Define null device for DOS based systems.
15022 (process_aux_info_file): Use binary mode if appliable.
15023 (edit_file): Likewise.
15024 * invoke.texi (Running Protoize): Document C++ suffixes used.
15026 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
15027 IS_DIR_SEPARATOR macros.
15028 * collect2.c: Likewise.
15029 * cppinit.c: Likewise.
15030 * dwarf2out.c: Likewise.
15032 * gcov.c: Likewise.
15033 * prefix.c: Likewise.
15035 * toplev.c: Likewise.
15036 * system.h: And move to here.
15038 * prefix.c (update_path): Fix typo in variable name.
15040 2000-01-06 Richard Henderson <rth@cygnus.com>
15042 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15043 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15044 (count_reg_sets_1, count_reg_references): Likewise.
15045 (flow_loops_level_compute): Start counting actual loop depth at 1.
15046 (flow_loops_find): Likewise.
15047 * local-alloc.c (update_equiv_regs): Likewise.
15048 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15050 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15052 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15053 FIRST_PSEUDO_REGISTER
15054 * dwarf2out.c: Don't include frame.h
15055 * dwarfout.c: Likewise
15056 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15059 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15061 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15064 * i386.c (movsf splitter): Fix typo in my last checkin.
15066 2000-01-05 Nick Clifton <nickc@cygnus.com>
15068 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15069 own definition of this macro.
15070 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15071 flag_data_sections or UNIQUE_SECTION_P are true.
15073 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15074 unitialised data decls.
15076 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15077 being called for uninitialised data.
15079 * config/i386/interix.c (i386_pe_unique_section): Cope with
15080 being called for uninitialised data.
15082 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15083 for uninitialised data.
15085 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15086 for uninitialised data.
15088 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15089 for uninitialised data.
15091 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15092 (UNIQUE_SECTION_P): Always generate a unique section if
15093 flag_data_sections is true.
15094 (UNIQUE_SECTION): Also generate unique sections for
15095 uninitialised data.
15096 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15097 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15100 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15102 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15105 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15107 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15108 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15109 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15110 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15111 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15113 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15115 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15117 * c-decl.c (finish_enum): Simplify code to determine minimum and
15118 maximum values of the enum, and calculate the type. Remove check
15119 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15120 the DECL_INITIAL of each enumeration constant with a copy converted
15121 to the enumeration type. When updating variant types, don't bother
15122 updating the type itself.
15124 * c-typeck.c (build_binary_op): Simplify conditional expressions
15125 when weeding out spurious signed-unsigned warnings. Add new
15126 spurious warning category: if the unsigned quantity is an enum
15127 and its maximum value fits in signed_type(result_type). Update
15129 (build_conditional_expr): Warn here if one alternative is signed
15130 and the other is unsigned.
15132 2000-01-05 Nick Clifton <nickc@cygnus.com>
15134 * config/fr30/fr30.h: Remove extraneous comments.
15136 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15138 * reload1.c (choose_reload_regs): When disabling a reload, also
15139 set reload_spill_index to -1.
15141 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15143 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15145 (m68*-*-rtemself*): New target.
15146 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15147 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15148 (sparc*-*-rtemself*): New target.
15149 (sparc*-*-rtems*): Now elf not a.out.
15150 * config/i386/rtems.h: Include config/rtems.h.
15151 * config/i386/rtemself.h: Include config/rtems.h.
15152 * config/i960/rtems.h: Include config/rtems.h.
15153 * config/m68k/rtems.h: Include config/rtems.h.
15154 * config/m68k/rtemself.h: Include config/rtems.h.
15155 * config/mips/rtems64.h: Include config/rtems.h.
15156 * config/pa/rtems.h: Include config/rtems.h.
15157 * config/rs6000/rtems.h: Include config/rtems.h.
15158 * config/sh/rtems.h: Include config/rtems.h.
15159 * config/sh/rtemself.h: Include config/rtems.h.
15160 * config/sparc/rtems.h: Include config/rtems.h.
15161 * config/sparc/rtemself.h: Include config/rtems.h
15163 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15165 * final.c (shorten_branches): Correctly compute length of
15166 asms without operands.
15168 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15170 * configure.in: Add pj target.
15171 * configure: Regenerate.
15172 * config/pj: New directory.
15173 * config/pj/lib1funcs.S: New file.
15174 * config/pj/linux.h: New file.
15175 * config/pj/pj.c: New file.
15176 * config/pj/pj.md: New file.
15177 * config/pj/pjl.h: New file.
15178 * config/pj/t-pj: New file.
15179 * config/pj/xm-pj.h: New file
15181 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15183 * toplev.c (rest_of_compilation): Run shorten-branches before
15186 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15188 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15189 macros so that they're consistent with their names.
15190 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15191 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15193 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15195 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15196 modified inadvertently.
15198 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15200 * configure.in (v850*-*-rtems*): New target.
15201 * configure: Regenerate.
15202 * config/v850/rtems.h: New file.
15204 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15206 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15207 (__gthread_key_create): Likewise.
15208 (__gthread_key_dtor): Likewise.
15209 (__gthread_once): Fix logic.
15210 (__gthread_key_delete): Cast away constness.
15212 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15213 * invoke.texi: Document.
15214 * i386/mingw32.h (CPP_SPEC): Use.
15215 (LIBGCC_SPEC): Likewise.
15216 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15218 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15220 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15221 (HANDLE_PRAGMA_PACK): Undefine.
15222 (SLOW_UNALIGNED_ACCESS): Define.
15224 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15226 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15227 to default definition.
15228 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15229 (store_fixed_bit_field): Call macro with word_mode and alignment.
15230 (extract_bit_field): Call macro with relevant mode and alignment.
15231 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15232 to default definition.
15233 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15235 (move_by_pieces_ninsns): Likewise.
15236 (clear_by_pieces): Likewise.
15237 (emit_push_insn): Likewise.
15238 (store_field): Call macro with relevant mode and alignment.
15239 (expand_expr): Likewise.
15240 (expand_expr_unaligned): Likewise.
15242 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15243 (SLOW_UNALIGNED_ACCESS): Define.
15244 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15245 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15246 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15247 (toc_section): Likewise and .toc pseudo-op.
15248 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15250 (TEXT_SECTION_ASM_OP): Likewise.
15251 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15254 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15255 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15256 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15257 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15258 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15260 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15262 * regclass.c: Revert my Jan 4 change to loop cost computation.
15264 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15266 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15269 2000-01-04 Stan Cox <scox@cygnus.com>
15271 * haifa-sched.c (build_control_flow): Change unreachable simple
15272 loop test to check if current block has only one predecessor.
15273 (find_rgns): Initialize degree. Use dest as degree index, not src.
15275 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15277 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15279 * calls.c (expand_call): Likewise for
15280 `old_stack_arg_under_construction'.
15282 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15284 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15287 * gcc.c (execute): Likewise for `ut' and `st'.
15289 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15291 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15293 * jump.c (jump_optimize_1): Likewise for `temp2'.
15295 * local-alloc.c (block_alloc): Likewise for `r1'.
15297 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15299 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15300 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15302 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15305 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15306 and `goal_earlyclobber'.
15308 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15310 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15312 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15314 * unroll.c (copy_loop_body): Likewise for `copy'.
15316 * varasm.c (output_constructor): Likewise for `byte'.
15318 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15320 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15321 all FP constants for constant->reg moves.
15322 (ix86_split_to_parts): Try to convert memory address into immediate
15323 when available in the constant pool.
15324 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15326 (LEGITIMATE_CONSTANT_P): Return 1.
15327 * i386.md (pushsf): New splitter to convert constant pool memory
15328 reference to immediate.
15329 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15332 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15334 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15335 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15336 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15337 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15338 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15340 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15342 * ginclude/stdbool.h: Support compilation as C++.
15344 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15346 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15348 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15350 * regclass.c (regclass): Properly compute loop_cost. Adjust
15353 * regclass.c: Fix minor whitespace problems.
15355 2000-01-03 Anthony Green <green@cygnus.com>
15357 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15358 Restore the pic register if required.
15360 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15362 * c-common.c (format_char_info): Update comment.
15363 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15364 was recognized. Emit warning for formats new in ISO C99 only
15365 if flag_isoc9x is not set.
15367 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15369 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15371 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15373 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15374 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15375 (make_compound_operation): Choose cheaper alternative between
15376 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15378 * regclass.c (op_costs): Remove global variable.
15379 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15380 (record_operand_costs): Break out from ...
15381 (scan_one_insn): ... here.
15382 (dump_regclass): Make dumps nicer.
15383 (regclass): Dump preferrences choosed and changes done during passes.
15385 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15387 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15389 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15391 * config/sparc/sparc.c (gen_df_reg): New function.
15392 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15393 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15394 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15395 movtf_cc_reg_sp64+1): Use it.
15397 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15399 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15400 copied LABEL_DECLs.
15402 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15404 * config/i386/i386.c (ix86_expand_unary_operator): Function
15405 definition made void.
15406 (ix86_expand_binary_operator): Update outdated preceding comment.
15407 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15410 * config/i386/i386.c (override_options): Fix option-name typo.
15412 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15414 * system.h (CEIL): Define.
15415 * builtins.c (CEIL): Remove.
15416 * expmed.c (CEIL): Likewise.
15417 * expr.c (CEIL): Likewise.
15418 * stor-layout.c (CEIL): Likewise.
15420 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15422 * expr.c (store_constructor_field): Fix typo introduced with last
15425 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15427 * tree.h (BINFO_N_BASETYPES): New macro.
15429 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15431 * expmed.c (emit_store_flag): Prevent losing a pending stack
15432 adjust the same way we prevent losing queued increments.
15434 See ChangeLog.2 for earlier changes.