1 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3 * config/i386/dgux.c (struct option): Rename to
4 lang_independent_option.
5 (struct m_options): Add description field.
6 (output_options): Rename option type, add sep declaration, output
7 ix86_cpu_string and ix86_arch_string only if set.
8 (output_file_start): Rename option type.
10 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
14 (libgcc2.a): Similarly.
16 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
18 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
19 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
20 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
22 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
24 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
25 Remove redundant initialization of "frexpon" and "expon".
27 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
29 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
31 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
32 (store_constructor_field, expand_expr): Pass new arg.
34 1999-12-20 Mark Mitchell <mark@codesourcery.com>
36 * Makefile.in (explow.o): Depend on function.h.
38 * stor-layout.c (set_sizetype): Fix typo.
40 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
42 * function.c (cfun): Renamed from current_function. All users
44 * function.h (cfun): Rename declaration as well.
46 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
47 to be of type regset_head, not regset. All users changed by adding
49 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
51 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
53 * config/c4x/rtems.h: New file.
55 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
57 * reload1.c (spill_failure): Take class of failed reload as argument
58 and print it. Caller changed.
60 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
62 * rs6000.h (SUBTARGET_DEFAULT): New macro.
63 (TARGET_SWITCHES): Allow subtargets to default switches.
64 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
66 1999-12-18 Mark Mitchell <mark@codesourcery.com>
68 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
71 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
73 * cccp.c (main): Define __STDC_VERSION__ as necessary.
74 * cppinit.c (cpp_handle_option): Likewise.
76 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
77 determine when to define.
79 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
81 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
82 cmove with mismatched test and data modes.
84 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
86 * c-typeck.c (c_expand_start_case): Don't warn for long switch
89 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
91 * alias.c: Minor reformatting.
94 * stor-layout.c: Likewise.
95 * fold-const.c: Likewise.
96 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
97 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
99 (size_int_wide): Cache nodes even if garbage collecting.
100 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
101 of SAVE_EXPR has no side effects.
102 * cse.c: Move a comment.
103 * tree.c: Minor reformatting.
104 (int_size_in_bytes): Return -1 if constant overflows.
106 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
108 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
110 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
112 * objc/objc-parse.c: Regenerate. This file must be rebuilt
113 after any change to c-parse.in, even if objc-parse.y didn't
116 1999-12-18 David S. Miller <davem@redhat.com>
118 * toplev.c (rest_of_compilation): Restore BLOCK tree
119 reconstruction and branch shortening changes lost in
120 December 18th change.
122 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
124 * config/arm/linux-elf.h: Change all instances of
125 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
126 * config/arm/uclinux-elf.h: Likewise.
128 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
130 * toplev.c (notice, vmessage, v_message_with_file_and_line,
131 v_message_with_decl, file_and_line_for_asm,
132 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
133 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
134 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
135 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
136 pfatal_with_name, fatal_io_error, need_error_newline,
137 last_error_function, last_error_tick, announce_function,
138 default_print_error_function, print_error_function,
139 report_error_function, fnotice, error_with_file_and_line,
140 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
141 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
142 warning_with_decl, warning_for_asm, warning, pedwarn,
143 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
145 (compile_file): Use fnotice instead of notice. Adjust call.
147 * diagnostic.c: New file.
149 * Makefile.in (OBJS): Include diagnostic.o
150 (diagnostic.o): Define dependence.
152 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
154 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
157 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
159 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
161 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
163 * fixtests.c (is_cxx_header): New fn, split out of
165 (else_endif_label): Allow "#endif // comment" in C++ headers,
166 as determined by is_cxx_header.
167 * fixfixes.c (else_endif_label_fix): Update comment.
168 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
170 * genfixes: Correct double thinko in commandline parsing.
171 * hackshell.tpl: Generate correct sh syntax for bypass
174 * inclhack.def (all): Whenever an inserted preprocessor
175 conditional is split over multiple lines, use double
176 backslashes in this file so the fixed header will be readable.
178 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
179 and add bypass entry for correct version of this header.
180 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
181 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
183 (hpux8_bogus_inlines): New fix, split from...
184 (ultrix_atof_param) ... here.
185 (math_expression): Add bypass entry keyed to glibc comment
186 indicating the problem has been dealt with; disable
187 unnecessary sed operations; update commentary.
188 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
189 add select and bypass entries, simplify shell operation.
190 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
192 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
193 ultrix_atof_param): Add select entry.
194 (stdio_va_list, sunos_mather_decl): Add bypass entry.
195 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
196 comments with the fixes they describe.
198 * c-parse.in (string action): Do not warn about ANSI string
199 concatenation in system headers. Affects C parser only.
200 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
202 1999-12-16 Jakub Jelinek <jakub@redhat.com>
204 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
205 compiling libgcc2 the macro depends always on arch cpp defines.
207 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
209 * loop.c (insert_loop_mem): Don't record MEMs from inside
212 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
214 * regclass.c (regclass): Do not use flowgraph when not optimizing.
216 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
217 notes too, create one when replacement failed, attempt to simplify
219 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
222 1999-12-16 Mark Mitchell <mark@codesourcery.com>
224 * crtstuff.c (__dso_handle): Declare.
225 (__cxa_finalize): Likewise.
226 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
229 * invoke.texi: Document -fuse-cxa-atexit.
231 * tree.h (ptr_type_node): Document.
232 (const_ptr_type_node): Likewise.
234 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
236 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
237 (optimize_reg_copy_2): Likewise.
238 (optimize_reg_copy_3): Likewise.
239 (fixup_match_2): Likewise.
240 (regmove_optimize): Likewise.
241 (fixup_match_1): Liekwise.
243 * i386.md (HI to SImode promoting splitters): Rewrite.
244 (pushsf mem peep2): New.
245 (testhi to andhi peep2): Remove.
246 * i386.h (x86_promote_QImode): New.
247 (TARGET_PROMOTE_QImode): New.
248 (PREDICATE_CODES): Add promotable_binary_operator.
249 * i386.c (x86_promote_QImode0: New.
250 (promotable_binary_operator): New.
251 * i386-protos.h (promotable_binary_operator): New.
253 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
255 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
257 1999-12-16 Mark Mitchell <mark@codesourcery.com>
259 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
260 * function.c (insert_block_after_note): Remove.
261 (retrofit_block): Likewise.
262 (identify_blocks): Fix indentation.
263 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
264 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
265 * function.h (insert_block_after_note): Remove prototype.
266 (retrofit_block): Likewise.
267 * integrate.c (expand_inline_function): Don't call
268 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
269 just expand_start_bindings. Use the block_map to remap old
270 NOTE_BLOCKs to new ones.
271 (integrate_decl_tree): Keep track of remapped blocks.
272 * integrate.h (struct inline_remap): Add block_map.
273 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
274 NOTE_BLOCK on the notes.
275 (expand_start_bindings): Rename to ...
276 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
277 (expand_end_bindings): Set NOTE_BLOCK.
278 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
279 reconstruct the BLOCK tree.
280 * tree.h (expand_start_bindings): Macroize. Call ...
281 (expand_start_bindings_and_block): New function.
283 1999-12-16 Jakub Jelinek <jakub@redhat.com>
285 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
288 1999-12-16 David S. Miller <davem@redhat.com>
290 * expr.c (emit_move_insn_1): Only emit clobbers if one of
291 the outputs is a SUBREG.
292 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
295 * config/sparc/sparc.c (epilogue_renumber): Add default case
298 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
300 * toplev.c (rest_of_compilation): Run branch shortening after
303 * regclass.c (loop_depth): Remove
304 (scan_one_insn): Do not handle LOOP_NOTE insns.
305 (regclass): Go through basic blocks and set loop_cost
307 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
309 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
311 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
313 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
314 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
315 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
317 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
319 * loop.c (insert_loop_mem): Ignore memory clobbers.
321 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
324 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
326 * profile.c: Remove redundant #include "output.h".
328 * h8300.md (HImode preinc peephole): Fix typo.
330 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
332 * function.c (retrofit_block): Abort if we don't find a suitable insn.
333 (insert_block_after_note): Abort if we don't have a previous block.
335 * function.h: Adjust.
337 1999-12-15 Mark Mitchell <mark@codesourcery.com>
339 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
340 argument more than once.
342 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
344 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
346 1999-12-15 Jakub Jelinek <jakub@redhat.com>
348 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
350 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
352 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
353 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
354 update stack_alignment_needed.
355 (prepare_function_start): Initialize stack_alignment_needed
356 * function.h (struct function): Add field stack_alignment_needed.
358 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
360 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
361 Handle live_throughout / dead_or_set instead of live_before /
363 (save_call_clobbered_regs): Get register livenessinformation from
364 chain->live_throughout.
365 (add_stored_regs): New function.
366 (insert_restore, insert_save): Add restored / saved registers to
368 * global.c (reg_dies): New parameter chain.
369 (reg_becomes_live): Third parameter is regs_set now.
371 (reg_dies): New parameter chain. Changed all callers.
372 (build_insn_chain): Set live_throughout instead of
373 live_before / live_after.
374 * reload.h (struct insn_chain): Replace members live_before /
375 live_after with live_throughout / dead_or_set.
376 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
377 instead of live_before / live_after.
378 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
379 (order_regs_for_reload, find_reg, finish_spills): Likewise.
380 (choose_reload_regs_init): Likewise.
381 * stupid.c (current_chain, find_clobbered_regs): Delete.
382 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
383 instead of chain->live_before / chain->live_after.
384 (mark_hard_ref): New function.
385 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
387 1999-12-15 David S. Miller <davem@redhat.com>
389 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
391 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
393 * flow.c (calculate_loop_depth): Make global, remove prototype,
394 rewrite to use new loop infrastructure.
395 (find_basic_block): Remove calculate_loop_depth call.
396 * toplev.c (rest_of_compilation): Call find_basic_block.
397 * output.h (calculate_loop_depth): Declare.
399 * flow.c (dump_flow_info): Dump loop_depth.
400 (flow_loops_nodes_find): Increase loop_depth for basic block in the
402 (flow_loops_find): Initialize the loop_depth for each basic block.
404 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
406 * tree.c (decl_function_context): Handle virtual functions.
408 * tlink.c (scan_linker_output): Don't look in demangled name when
409 looking for linker output keywords.
411 * dwarfout.c (output_type): We can defer namespace-scope classes.
413 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
415 * regclass.c (record_reg_classes): Update comment for merging
416 register class preferences in reg->reg copies. Tighten conditions
417 for merging register class preferences in reg->reg copies.
419 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
421 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
423 1999-12-14 Geoff Keating <geoffk@cygnus.com>
425 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
426 (INIT_SECTION_ASM_OP): Delete.
427 (FINI_SECTION_ASM_OP): Delete.
428 (STARTFILE_SPEC): Define to hold just crtbegin.o.
430 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
432 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
433 the abstract origin wasn't emitted.
435 * dwarf2out.c (class_scope_p): New fn.
436 (gen_subprogram_die): Use it.
437 (gen_variable_die): Use it. Tweak logic.
438 (gen_struct_or_union_type_die): Check context_die to determine
439 if we're function-local.
440 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
442 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
444 * loop.c (check_dbra_loop): Can't reverse a biv that has
447 1999-12-14 Nick Clifton <nickc@cygnus.com>
449 * config/arm/arm.c: Add support for -mcpu=arm720 command line
452 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
454 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
455 for givs made from biv increments.
457 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
459 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
460 * alpha.c (override_options): Recognize -mcpu=ev67.
461 * alpha.h (CPP_CPU_EV67_SPEC): New.
462 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
463 (EXTRA_SPECS): Update.
465 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
467 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
468 appropriate for -lang-c89 and -std=*.
469 * cppinit.c (cpp_handle_option): Likewise.
470 (new_pending_define): New, split out from cpp_handle_option.
471 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
472 or enable trigraphs for -ansi/-std=*.
474 * ginclude/stdarg.h (__va_copy): New.
475 (va_copy): Don't define for C89.
477 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
479 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
480 for long long multiply-accumulate.
482 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
484 * regclass.c (scan_one_insn): Set loop_cost to 1 when
487 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
489 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
490 if something changed. Back out that part of yesterday's changes.
492 * loop.c (loop_max_reg): New static variable.
493 (loop_optimize): Initialize it. Eliminate one unnecessary call to
495 (scan_loop): Call reg_scan_update whenever we may have added new
496 registers, and update loop_max_reg.
498 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
500 * regclass.c (record_reg_classes): Do not do the copying preferrencing
501 when source does not die.
503 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
505 1999-12-14 Jakub Jelinek <jakub@redhat.com>
507 * config/sparc/linux64.h (TARGET_LIVE_G0,
508 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
510 * config/sparc/linux.h (TARGET_LIVE_G0,
511 TARGET_BROKEN_SAVERESTORE): Likewise.
512 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
513 TARGET_BROKEN_SAVERESTORE): Likewise.
515 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
516 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
518 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
519 as sparc64 block profiling register.
520 * config/sparc/sparc.c (sparc_override_options): Allow block
522 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
524 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
525 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
526 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
528 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
530 * config/sparc/sparc.h: Likewise.
531 * config/sparc/xm-sysv4-64.h: Likewise.
532 * config/float-sparc.h: Likewise.
533 * glimits.h: Likewise.
534 * longlong.h: Likewise.
536 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
537 (ASM_IDENTIFY_GCC): Remove.
539 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
541 * combine.c (combine_simplify_rtx): Don't make shared rtl.
542 (simplify_logical): Likewise.
544 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
546 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
547 * cppfiles.c (INO_T_EQ): Likewise.
549 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
551 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
552 * i386/mingw32.h (LIB_SPEC): Likewise.
553 (STARTFILE_SPEC): Likewise.
554 * i386/uwin.h (LIB_SPEC): Likewise.
555 (STARTFILE_SPEC): Likewise.
557 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
558 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
560 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
562 * combine.c (combine_simplify_rtx): Fix order of checks for
563 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
565 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
567 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
568 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
570 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
572 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
574 * regclass.c (inv_reg_alloc_order): New array.
575 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
577 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
578 counted_for_groups, counted_for_nongroups. Add fields rld and
580 * reload.c (push_secondary_reload): Don't set nongroup field of
582 (push_reload): Likewise.
583 (find_reloads): Delete code to compute nongroup fields.
584 * reload1.c (reload_insn_firstobj): New static variable.
585 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
587 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
588 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
589 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
591 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
593 (struct hard_reg_n_uses): Deleted.
594 (potential_reload_regs): Deleted.
595 (init_reload): Initialize spilled_pseudos and pseudos_counted.
596 (reload): Don't try to allocate reload registers if we already know
597 we have to make another pass. Call select_reload_regs. Free memory
598 starting with reload_firstobj when starting another pass.
599 Don't allocate spilled_pseudos.
600 (calculate_needs_all_insns): Call copy_reloads for an insn that
601 needs reloads; don't call calculate_needs.
602 (spill_cost): New static array.
603 (used_spill_regs_local): New static variable.
604 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
605 to compute potential_reload_regs.
606 (find_reload_regs): Completely rewritten to use find_reg.
607 (allocate_reload_reg): Don't test counted_for_groups or
608 counted_for_nongroups. Lose NOERROR arg and code to give an error;
610 (choose_reload_regs): Add fallback code that uses the existing
611 register allocation from find_reload_regs.
613 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
615 * flow.c (create_edge_list): Cast xmalloc return value.
617 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
619 * doprnt.c: Remove incorrect comment closure.
621 * cse.c: Fix a few minor whitespace goofs.
623 1999-12-13 Don Bowman <don@pixstream.com>
625 * mips/vxworks.h: Fix problem with comment termination.
626 (EXTRA_SECTIONS): Add in_sbss.
627 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
629 1999-12-12 David S. Miller <davem@redhat.com>
631 * cse.c (struct cse_reg_info): Add hash_next member,
632 reorder rest of struct for better packing on 64-bit
634 (cse_reg_info_tree): Kill.
635 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
636 REGHASH_FN): New custom pow2 hash mechanism.
638 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
639 use a pow2 hash table.
640 (get_cse_reg_info): Rework to use new REGHASH.
641 (new_basic_block): Likewise, use HASH_SIZE, and inline
643 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
644 and inline free_element call.
645 (lookup_as_function, insert, flush_hash_table, invalidate,
646 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
647 invalidate_for_call, use_related_value, find_comparison_args,
648 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
649 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
652 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
654 * cse.c (cse_basic_block): Free qty_table consistently.
656 1999-12-12 David S. Miller <davem@redhat.com>
657 Jakub Jelinek <jakub@redhat.com>
659 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
660 SUBREGs by hand, gen the appropriate hard reg directly.
661 (movtf reg/mem split): Likewise and alter_subreg on destination
663 (movtf mem/reg split): Similarly.
664 (movdf_cc_sp64): Rename from hidden pattern.
665 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
666 (movtf_cc_sp64, following split): New pattern and splitter.
667 (movdf_cc_reg_sp64): Rename from hidden pattern.
668 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
670 (movtf_cc_reg_sp64, following split): New pattern and splitter.
672 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
674 * loop.c (load_mems): Don't hoist written floating point mem
677 1999-12-12 Mark Mitchell <mark@codesourcery.com>
679 * except.h (struct eh_queue): Add `next' pointer.
680 (struct eh_status): Make x_ehqueue a pointer.
681 (push_ehqueue): Declare.
682 (pop_ehqueue): Likewise.
683 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
685 (expand_fixup_region_end): Likewise.
686 (expand_leftover_cleanups): Likewise.
687 (push_ehqueue): Define.
688 (pop_ehqueue): Likewise.
689 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
690 than doing it inline.
691 (expand_start_all_catch): Adjust now that ehqueue is a
693 (mark_eh_queue): Mark all level of the queue.
694 (mark_eh_status): Adjust now that ehqueue is a
696 (init_eh_for_function): Allocate ehqueue.
697 (free_eh_status): Free it.
698 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
699 expansion for a fixup.
701 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
703 * gthr-single.h (__gthread_active_p): Add prototype arguments.
705 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
706 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
707 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
708 function_ptr, getpagesize, __enable_execute_stack,
709 __enable_execute_stack, __clear_insn_cache,
710 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
711 _cleanup, _exit, __default_terminate, __terminate_func,
712 __terminate, __empty, __throw, new_eh_context,
713 eh_context_initialize, eh_context_static, eh_context_specific,
714 get_eh_context, __get_eh_context, __get_eh_info,
715 init_reg_size_table, eh_threads_initialize,
716 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
717 __unwinding_cleanup, throw_helper, __throw, __rethrow,
718 __pure_virtual): Add prototype arguments.
719 (__bb_exit_func): Cast a sizeof to long when comparing against one.
720 Cast a signed value to unsigned long when comparing against one.
721 (new_eh_context): Wrap in _GTHREADS macro.
722 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
724 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
725 (throw_helper): Initialize variables `handler_p' and `pc_p'.
727 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
729 * combine.c (record_promoted_value): Remove unused variable
732 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
734 * global.c (record_conflicts): Likewise for `j'.
736 * genoutput.c (output_insn_data): Don't unnecessarily cast away
739 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
741 * i386-protos.h (output_387_binary_op, output_fix_trunc,
742 output_fp_compare): Constify a char*.
744 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
746 (override_options, ix86_comp_type_attributes, print_operand,
747 output_387_binary_op, output_fix_trunc, output_fp_compare):
749 (ix86_sched_reorder): Mark parameter `clock_var' with
752 * i386.h (DEBUG_PRINT_REG): Constify a char*.
754 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
756 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
757 operand, for use in the Java front-end.
759 1999-12-10 Ben Collins <bcollins@debian.org>
761 * configure.in: Fix typo for "-64" in 64bit as check.
762 * configure: Rebuilt.
764 1999-12-10 Jakub Jelinek <jakub@redhat.com>
766 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
769 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
771 * c-parse.in (string): With -Wtraditional, warn if ANSI string
772 concatenation is utilized.
774 * invoke.texi (-Wtraditional): Document it.
776 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
778 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
779 Cast a ptrdiff_t to long and pass it to printf with %ld.
781 1999-12-10 Geoff Keating <geoffk@cygnus.com>
783 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
784 68881, we have no 68881 registers at all.
785 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
786 value in a 68881 register if it is available.
788 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
790 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
791 for long long multiply-accumulate.
793 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
795 * loop.c (insert_loop_mem): Undo last change.
797 1999-12-10 David S. Miller <davem@redhat.com>
799 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
801 * config/sparc/sparc-protos.h: Add them.
802 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
803 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
804 constraints which use those helpers.
805 (EXTRA_CONSTRAINT): Use this new macro.
806 * md.texi: Update sparc target constraints documentation.
807 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
808 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
809 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
810 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
811 (movsf high/lo_sum split): Rework for new patterns.
812 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
814 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
816 * c-common.c (c_common_nodes_and_builtins):
817 Create __builtin_ptrdiff_t and __builtin_size_t.
819 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
821 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
823 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
825 * regclass.c (globalize_reg): Re-instate test that allows
826 fixed registers to be declared as a variable even after functions
829 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
831 * i386.md (cpu attribute): Add "athlon".
832 (athlon_decode): New attribute.
833 (Athlon scheduling units definitions): New.
834 (fcmp and shld patterns): Set athlon_decode to "vector".
835 * i386.c (athlon_cost): New.
837 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
838 x86_use_sahf): Set for Athlon.
839 (x86_use_fiop): Unset for Athlon.
840 (override_options): Define Athlon alignments and "athlon" name.
841 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
842 * i386.h (TARGET_ATHLON): New.
843 (enum processor_type): Add PROCESSOR_ATHLON.
844 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
846 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
848 1999-12-09 Andreas Jaeger <aj@suse.de>
850 * loop.c (record_biv): Declare parameter as int.
852 * config/i386/i386-protos.h: Declare long_memory_operand.
854 1999-12-09 Mark Mitchell <mark@codesourcery.com>
856 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
857 EXPR_WITH_FILE_LOCATION.
859 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
861 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
864 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
866 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
869 1999-12-09 Jakub Jelinek <jakub@redhat.com>
871 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
872 default on linux64 again.
873 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
874 models for multilibing.
875 * genmultilib: Accept | as alternative separator within a set in
878 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
880 * calls.c (precompute_arguments): Make sure initial_value contains
881 value pseudo which CSE expects.
882 * cse.c (struct set): New entry orig_src.
883 (cse_insn): Set it early on entry, use it for libcall EQUIV note
886 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
888 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
890 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
892 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
894 1999-12-08 Jakub Jelinek <jakub@redhat.com>
896 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
897 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
899 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
902 * longlong.h: Merge in changes from glibc.
903 Also don't clobber %g2 register in 32bit SPARC assembly, so that
904 -mno-app-regs libgcc can be compiled.
905 * libgcc2.c: Add defines so that the updated longlong.h
906 can be used in libgcc2.a. Also, make sure on most architectures
907 (at least on all which have optimized code in longlong.h defined
908 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
910 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
912 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
913 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
914 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
916 * configure: Rebuilt.
918 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
920 * alpha.c (secondary_reload_class): For !BWX, sub-simode
921 outputs require a register.
923 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
925 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
926 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
927 functions like dptoul will be resolved.
928 (libgcc2.a): Make sure that the object files from DPBIT are named
929 differently (prefix `_dp') from those that would be coming from
932 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
934 * configure.in: When target is sparc* and tm_file contains 64,
935 test for 64bit support in assembler. If not supported, remove
936 sparc/t-sol2-64 from target-dependent Makefile fragments.
937 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
938 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
939 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
940 * acconfig.h (AS_SPARC64_FLAG): Added.
941 * configure, config.in: Rebuilt.
942 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
943 support. Use AS_SPARC64_FLAG.
945 1999-12-07 Jakub Jelinek <jakub@redhat.com>
947 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
948 suitable for holding OFmode values so that gcc works with complex
950 (hard_64bit_mode_classes): Likewise.
952 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
953 so that it is actually matched.
954 (sethi_di_medlow): Likewise.
956 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
957 as legitimate constant if -mvis.
958 * config/sparc/sparc.md (movtf): Likewise.
959 (clear_sf): Use const_double_operand.
960 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
962 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
963 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
964 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
965 routines, _Qp_* cannot be handled like that now.
966 (INIT_TARGET_OPTABS): Likewise.
967 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
968 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
969 sparc_emit_float_lib_cmp if ARCH64 and soft float.
970 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
971 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
972 divtf3, sqrttf3): New expanders.
973 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
974 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
975 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
978 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
979 * configure: Rebuilt.
980 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
981 -mcpu is given and we're doing 64bit compiles.
983 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
985 * loop.h (struct induction): Add multi_insn_incr.
986 * loop.c (basic_induction_var): New multi_insn_incr argument.
987 Set it if we search back through previous insns for the biv.
988 (record_biv): New multi_insn_incr argument; fill in struct induction.
989 (strength_reduce): Discard an iv with multiple bivs, any of
990 which require multiple insns to increment.
992 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
994 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
997 1999-12-06 David S. Miller <davem@redhat.com>
999 * combine.c (check_promoted_subreg): Do not conditionalize this upon
1000 PROMOTE_FUNCTION_RETURN.
1002 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
1004 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
1005 and handle REG_UNUSED note on insn.
1007 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
1008 inner_mask instead of mask.
1010 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
1012 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
1013 zero if there was an error.
1015 1999-12-06 Jakub Jelinek <jakub@redhat.com>
1017 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
1020 * longlong.h: Fix clobbers in SPARC asm statements.
1022 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
1023 valid sethi operations when TARGET_ARCH64.
1025 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
1026 always use move_by_pieces to avoid infinite recursion.
1027 (restore_fixed_argument_area): Likewise.
1029 * combine.c (check_promoted_subreg, record_promoted_value): New
1031 (combine_instructions): Use them to retain nonzero and sign bit
1032 information after SUBREGs are eliminated by optimizations in
1033 this pass if PROMOTE_FUNCTION_RETURN.
1035 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
1036 .register declaration. Don't use variables with __ prefixes.
1038 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1040 * fold-const.c (optimize_bit_field_compare): Only use one mode
1041 for both RHS and LHS in non-constant case.
1043 1999-12-06 Nathan Sidwell <nathan@acm.org>
1045 * frame.c (start_fde_sort): Only allocate erratic array, if
1046 linear one was allocated. Return allocated flag.
1047 (fde_insert): Only insert, if there's a valid array.
1048 (fde_end_sort): Split, sort and merge if linear and erratic
1049 arrays exist, else just sort linear one.
1050 (search_fdes): New function. Linear search through original fde
1052 (frame_init): Permit multiple initializations. Cope with
1054 (find_fde): Fallback on linear search, if failed to sort array.
1055 (__deregister_frame_info): Only free sorted array, if we
1058 1999-12-06 Jakub Jelinek <jakub@redhat.com>
1060 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
1062 1999-12-05 Jakub Jelinek <jakub@redhat.com>
1064 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
1066 1999-12-05 Mark Mitchell <mark@codesourcery.com>
1068 * tree.h (special_function_p): Declare.
1069 * calls.c (special_function_p): Make it global. Don't take `name'
1070 as a parameter. Fix typo in 1999-11-28 change.
1071 (expand_cal): Adjust.
1073 1999-12-04 Mark Mitchell <mark@codesourcery.com>
1075 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
1076 * tree.h (EXPR_WFL_FILENAME): Define in terms of
1077 EXPR_WFL_FILENAME_NODE.
1078 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
1080 * print-tree.c (print_note): Print TREE_PRIVATE and
1083 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
1084 the original die cannot be found.
1086 * varray.h (varray_head_tag): Add elements_used.
1087 (VARRAY_PUSH): New macro.
1088 (VARRAY_POP): Likewise.
1089 (VARRAY_TOP): Likewise.
1090 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
1092 * varray.c (varray_init): Initialize elements_used.
1093 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
1094 (INTEGRATE_H): New variable.
1095 (integrate.o): Depend on INTEGRATE_H.
1096 (unroll.o): Likewise.
1098 * function.h (insert_block_after_note): Declare.
1099 * function.c (insert_block_after_note): Split out from ...
1100 (retrofit_block): ... here.
1102 * stmt.c (expand_fixup): Fix typo in comment.
1104 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1106 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
1107 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
1108 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
1109 (regmove_optimize, fixup_match_1): Likewise.
1111 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1113 * flow.c (flow_loops_dump): Add missing argument when calling
1116 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
1117 Greg McGary <gkm@gnu.org>
1119 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
1120 (init_attributes): Add A_NO_LIMIT_STACK.
1121 (decl_attributes): Handle A_NO_LIMIT_STACK.
1122 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
1123 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
1124 Handle stack bounds checking.
1125 * flags.h (flag_stack_check): Use the word 'probe' rather than
1126 'check', because the flag doesn't actually cause any checking to
1128 * function.c (expand_function_start): Set
1129 current_function_limit_stack.
1130 * function.h (struct function): Add limit_stack.
1131 (current_function_limit_stack): Define.
1132 * invoke.texi (Code Gen Options): Document new options.
1133 * rtl.h: Declare stack_limit_rtx.
1134 * toplev.c (stack_limit_rtx): New variable.
1135 (decode_f_option): Handle new options -fstack-limit-register=REG,
1136 -fstack-limit-symbol=IDENT, -fno-stack-limit.
1137 (main): Add stack_limit_rtx as GC root.
1138 * tree.h (DECL_NO_LIMIT_STACK): New macro.
1139 (struct tree_decl): New member no_limit_stack.
1141 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
1143 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
1144 (conditional_trap+1): Get new mnemonic correct.
1145 (conditional_trap+2): New pattern for DImode traps.
1147 * config/m68k/m68k.c (output_function_prologue): Handle
1149 * config/m68k/m68k.md (trap): New insn.
1150 (conditional_trap): New insn.
1151 * md.texi (Standard Names): Document `trap' and
1153 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
1154 so a cc0 setter doesn't get emitted at some random place in the
1157 * config/i960/i960.md (trap): New insn.
1158 (conditional_trap): New expander.
1159 (conditional_trap+1, conditional_trap+2): New insns for signed
1161 * config/i960/i960.c (i960_function_prologue): Use
1162 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
1164 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
1165 Geoffrey Keating <geoffk@cygnus.com>
1167 * flags.h (warn_padded, warn_packed): Add global var decls.
1168 * toplev.c (warn_padded, warn_packed): Add global var defns.
1169 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
1170 * stor-layout.c (layout_record): Add local variable `type'
1171 to hold often-used TREE_TYPE (field). Add local variable
1172 `unpacked_align' to hold alignment that would be in force
1173 if no `packed' attribute were present. Warn if `packed' attribute
1174 is unnecessary, or even harmful. Warn when gcc inserts padding
1175 to satisfy alignment requirements of members. Use NULL_TREE
1176 when checking whether var_size is set.
1177 * invoke.texi: Document new flags.
1179 1999-12-03 Nathan Sidwell <nathan@acm.org>
1181 * frame.c (fde_split): Reimplement to avoid variable sized array.
1183 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1185 * combine.c (try_combine): Before fixing up LOG_LINKS for the
1186 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
1188 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
1190 * invoke.texi: Document the mips option -mno-crt0
1192 1999-12-02 Mike Karr <mkarr@mathworks.com>
1194 * cccp.c (argdata): Added free_ptr member.
1195 (macroexpand): Initialize free_ptr of each argument. When an
1196 argument's buffers are freed, if the argument's free_ptr corresponds
1197 to a buffer on the input stack, then return the free_ptr to that stack
1198 frame, otherwise, free it.
1199 (macarg): If an argument begins and ends on the same input stack level,
1200 then transfer the free_ptr of that buffer to the argument in case
1201 the stack is popped during the processing of a subsequent argument.
1203 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
1205 * loop.c (note_reg_stored): New function.
1206 (struct note_reg_stored_arg): New structure.
1207 (try_copy_prop): Change to be more conservative; only replace within
1208 one extended basic block and stop replacing if a store to the
1209 replacement reg is seen.
1211 1999-12-02 Nick Clifton <nickc@cygnus.com>
1213 * config/fp-bit.c: Initialise all fields of the NAN
1216 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
1219 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
1221 * i386.md (extend?f?f2): Force the input into a register, not
1224 1999-12-01 Jakub Jelinek <jakub@redhat.com>
1226 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
1228 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
1229 alternative because setting up 64bit constant is usually costly,
1230 especially when reload is in progress or completed.
1231 (movdf_const_intreg_sp64): Likewise.
1232 (movdf_const_intreg split): Fix building up constants when
1233 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
1235 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
1237 * combine.c (if_then_else_cond): Use const_true_rtx instead of
1238 const1_rtx for return values in EQ/NE comparison against (const_int 0)
1241 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
1242 (asm_file_start): Emit .am33 into assembly file when compiling for
1244 (print_operand_address): Handle POST_INC addresses.
1245 (can_use_return_insn, initial_offset): Check AM33 registers too.
1246 (expand_prologue): Check & save AM33 registers too.
1247 (expand_epilogue): Similarly.
1248 (secondary_reload_class): Handle AM33 specific secondary reloads.
1249 (output_tst): Emit efficient code for the AM33 too.
1250 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
1251 (TARGET_SWITCHES): Add -mam33 switch.
1252 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
1253 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
1254 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
1255 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
1256 (enum reg_class, REG_CLASS_NAMES): Likewise.
1257 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
1258 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
1259 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
1260 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
1261 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
1262 (HAVE_POST_INCREMENT): Define.
1263 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
1264 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
1265 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
1266 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
1267 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
1268 (zero_extend to SI from QI/HI): Likewise.
1269 (sign_extend to SI from QI/HI): Likewise.
1270 (mulsidi3, umulsidi3): New patterns for the AM33.
1271 (tstsi with zero extension from QI/HI): Add AM33 variants.
1272 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
1273 (return_internal_regs, store_movm): Handle new AM33 registers.
1274 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
1275 (LIBGCC, INSTALL_LIBGCC): Likewise.
1276 * invoke.texi: Document new flags.
1278 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1280 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
1281 (addsi3_carry): Likewise.
1282 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
1283 (sbbsi3_carry): Likewise.
1284 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
1286 (test?i_1): Ensure that only one operand is memory.
1287 (conditional move patterns): likewise.
1288 (shift and rotate patterns): Rewrite to expander, add
1289 "binary_operator_ok" to the condition.
1291 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
1292 * i386.h (procesor_costs): Add movzbl_load field.
1293 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
1294 non-Q registers, accept DImode registers anywhere.
1296 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
1297 * i386.c (*_cost): Set value for movxbl_load field.
1299 * (addsi): New add to lea splitter.
1301 (lea to add/shift peep2): New.
1303 1999-12-01 Mark Salter <msalter@cygnus.com>
1305 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
1306 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
1307 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
1309 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1311 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
1312 * i386.md (movsi_xor): New.
1314 (movsi_1, movhi_1, movqi_1): Remove.
1315 (movsi_2): Rename to movsi_1.
1316 (movhi_2): Rename to movhi_1.
1317 (movqi_2): Rename to movqi_1.
1318 (movdi_1): Remove; remove splitter.
1319 (movdi_2): Rename to movdi_1.
1320 (divmodsi4 splitter): Do not emit clobbers for move patterns.
1321 (long move peep2): Do not create QI or HI mode mov0s
1322 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
1324 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
1327 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
1328 (abs?f2_if): Likewise.
1330 1999-11-30 Alex Samuel <samuel@codesourcery.com>
1332 * ggc.h (ggc_test_and_set_mark): New macro.
1333 (ggc_mark_rtx): Use ggc_test_and_set_mark.
1334 (ggc_mark_tree): Likewise.
1335 (ggc_mark_rtvec): Likewise.
1336 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
1338 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
1340 * dwarf2out.c (scope_die_for): Only handle types. Only search for
1342 (decl_scope_table): Just an array of trees now.
1343 (push_decl_scope): Simplify.
1344 (dwarf2out_init): Adjust.
1345 (local_scope_p): New fn.
1346 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
1347 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
1348 (gen_typedef_die): Likewise.
1349 (gen_lexical_block_die): Don't call push/pop_decl_scope.
1350 (gen_inlined_subroutine_die): Likewise.
1351 (gen_abstract_function): Set current_function_decl temporarily.
1352 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
1353 Handle block extern declarations. Don't call push/pop_decl_scope.
1354 (gen_decl_die): Fix logic for block externs.
1356 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1358 * calls.c (special_function_p): Remove `realloc' and add `strdup'
1359 to the list of functions which have attribute malloc by default.
1361 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
1364 integer constant does not match the traditional type, limit the
1365 warnings to cases where the base of the type is ten.
1367 * invoke.texi (-Wtraditional): Document it.
1369 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1371 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
1372 * rs6000.md: Only access a CONST_INT with INTVAL
1374 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
1376 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
1377 (compute_nearerout): Likewise.
1378 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
1379 size_t to unsigned long for formatting.
1381 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1383 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
1384 Allow the user to override call-used/fixed state of %g2-5
1385 registers from the command line (with the exception of %g4 for
1387 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
1388 there is a higher chance of having a leaf function.
1389 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
1390 for ARCH64 which has %ccr register.
1391 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
1393 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
1394 insn accept into delay slot any insn which does not use %[ol]
1395 registers. Accept some LO_SUM and shift left by 1 for the normal
1397 (output_function_epilogue): Likewise.
1398 (epilogue_renumber): Added argument which inhibits any renumbering
1399 and just tests if the rtx does not use any %[ol] registers.
1400 (output_return): Reflect above change.
1402 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1404 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
1405 aggregate passing for sizes <= 16 bytes.
1407 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
1409 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
1410 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
1411 * reload.c (find_dummy_reload): Likewise.
1412 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
1413 * reload1.c (reload_as_needed): Likewise.
1414 * stupid.c (stupid_find_reg): Likewise.
1415 * tm.texi (Obsolete Register Macros): Delete section.
1416 * gmicro.h: Remove all traces of the two macros.
1421 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
1423 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
1424 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
1425 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
1426 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
1427 units for the sparclite86x chip.
1428 (flush): Revert October 14th change; add SImode specifically.
1429 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
1430 * invoke.texi: Document it.
1432 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
1434 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
1435 psimode_truncation_operand.
1437 * config/mn10200/mn10200.c (psimode_truncation_operand): New
1438 function. Return true if the operand is either a MEM valid
1439 for a PSImode address or not a MEM at all.
1441 * config/mn10200/mn10200.md (truncsipsi2): Use
1442 psimode_truncation_operand.
1444 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1446 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
1447 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
1448 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
1449 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
1450 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
1451 (flow_loop_level_compute, low_loops_level_compute): Likewise.
1452 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
1453 * basic-block.h: Protect from multiple inclusion.
1454 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
1455 (struct loops, struct loop): Define structures.
1456 * sbitmap.c (sbitmap_a_subset_b_p): New function.
1457 * sbitmap.h: Protect from multiple inclusion.
1458 (sbitmap_a_subset_b_p): Add prototype.
1459 * Makefile.in (LOOP_H): New macro.
1460 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
1462 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
1464 * cppinit.c (CAT): The argument list of this macro may not contain
1467 1999-11-29 David S. Miller <davem@redhat.com>
1469 Move quantity tables and register equivalence chains into
1470 per-qty and per-register structure arrays respectively.
1471 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
1472 qty_const_insn, qty_comparison_code, qty_comparison_const,
1473 qty_comparison_qty): Delete, replace with...
1474 (qty_table): this structure table.
1475 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
1476 (reg_eqv_table): this structure table.
1477 (make_new_qty): Add argument MODE. Caller updated.
1478 Update to use qty_table and reg_eqv_table.
1479 (make_regs_eqv, delete_reg_equiv, insert_regs,
1480 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
1481 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
1482 cse_process_notes, cse_main, cse_basic_block): Likewise.
1484 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1486 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
1487 operation if C is negative.
1488 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
1489 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
1490 law for some divisions if constant is negative and change other
1491 divisions to the opposite rounding.
1493 * expr.c (store_constructor_field): If bit position is not multiple
1494 of alignment of TARGET's mode, use BLKmode.
1496 * expr.c (expand_expr_unaligned): Add more code from full case
1497 that is needed when OP0 is in a register.
1499 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1501 * dwarfout.c (field_byte_offset): Size can be zero if there was
1504 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1506 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
1507 (associate_trees): Delete unused var TEM.
1508 (extract_muldiv): Delete unused var CANCEL_P.
1510 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
1511 (target_isinf, target_isnan, target_negative): Add return types to
1512 function definitions.
1514 1999-11-29 Bruce Korb <autogen@linuxbox.com>
1516 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
1517 * fixinc/hackshell.tpl: ditto
1518 * fixinc/fixtests.c(double_slash_test): more C++ header testing
1519 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
1521 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1523 * reload.c (push_reload): When looking for a register to put into
1524 reg_rtx, make sure all hard regs in a multi-reg register are in the
1525 right class and nonfixed.
1527 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
1528 pending_read_insns, pending_write_insns, pending_read_mems,
1529 pending_write_mems, pending_list_length, last_pending_memory_flush,
1530 last_function_call, sched_before_next_call): Move static variables
1532 (bb_ prefixed versions): Replace with single array bb_deps.
1533 (struct deps): New structure.
1534 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
1535 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
1536 argument of type "struct deps *"; use that instead of global
1537 variables. All callers changed.
1538 (init_rgn_data_dependencies): Delete function.
1539 (init_rtx_vector): Delete function.
1540 (init_deps): New function.
1542 (free_pending_lists): Simplify, we always use the bb_deps array even
1543 if only one basic block.
1544 (compute_block_backward_dependences): Likewise.
1545 (schedule_region): Likewise.
1547 (propagate_deps): New function, broken out of
1548 compute_block_backward_dependences.
1549 (compute_block_backward_dependences): Use it.
1551 * alpha.md: Delete useless patterns that tried to work around
1552 register elimination problems.
1554 * unroll.c (loop_iterations): Don't abort if iteration variable
1557 From Joern Rennecke:
1558 * reload1.c (reloads_conflict): Reverse test comparing operand
1559 numbers when testing for conflict between output/outaddr reloads.
1561 1999-11-29 David S. Miller <davem@redhat.com>
1563 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
1565 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
1567 1999-11-28 Robert Lipe <robertl@cygnus.com>
1569 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
1570 table from .fini into .dtor.
1572 1999-11-28 Anthony Green <green@cygnus.com>
1574 * tree.h (struct tree_decl): Add malloc_flag.
1575 (DECL_IS_MALLOC): Define.
1576 * c-common.c (attrs): Add A_MALLOC attribute.
1577 (init_attributes): Add this attribute to the table.
1578 (decl_attributes): Handle malloc attribute.
1579 * calls.c (special_function_p): Check for the malloc attribute.
1580 * extend.texi (Function Attributes): Document malloc attribute.
1582 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
1584 * pa.md (reload shift-add patterns): Remove.
1586 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1588 * reorg.c (dbr_schedule) Print more statistics. Corrected
1589 problem when printing info when 3 delay slots are filled.
1591 1999-11-28 Jakub Jelinek <jakub@redhat.com>
1593 * combine.c (setup_incoming_promotions): Pass an outgoing
1594 regno to FUNCTION_ARG_REGNO_P which it expects.
1596 1999-11-28 Andreas Jaeger <aj@suse.de>
1598 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
1600 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
1602 * cccp.c (do_include): Avoid initialization of automatic variable.
1604 * integrate.c (mark_stores): Function definition made void, to match
1605 previous declaration.
1606 * regclass.c (dump_regclass): Ditto.
1607 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
1609 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1611 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
1612 known to be multiple of divisor.
1614 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
1616 * combine.c (try_combine): Add code to try to merge a set of a
1617 two-word pseudo to a constant with a setting of one of those words
1620 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
1621 (split_tree): Completely rework to make more general.
1622 (make_range, fold): Call negate_expr.
1623 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
1624 (fold, associate): Call new split_tree and associate_trees.
1625 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
1627 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
1629 * loop.c (try_copy_prop): Avoid GNU C extension.
1631 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1633 * except.c (init_eh_for_function): Still zero eh_return_context,
1634 eh_return_stack_adjust, and eh_return_handler.
1636 * except.h (eh_status): Adjust documentation for x_protect_list.
1637 (begin_protect_partials): New function.
1638 * except.c (enqueue_eh_entry): Fix formatting.
1639 (get_first_handler): Add consistency check.
1640 (add_partial_entry): Adjust usage of protect_list.
1641 (emit_cleanup_handler): Save and restore ehqueue.
1642 (expand_start_all_catch): Add comment.
1643 (begin_protect_partials): New function.
1644 (end_protect_partials): Adjust usage of protect_list.
1645 (init_eh_for_function): Use xcalloc.
1647 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1649 * c-common.c (check_format_info): Don't call a variadic function
1650 with a non-literal format string.
1652 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
1654 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
1655 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
1658 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
1661 * collect2.c (collect_wait): Likewise.
1663 * dbxout.c (dbxout_type): Likewise.
1665 * gcc.c (do_spec_1): Likewise.
1667 * genemit.c (gen_insn, gen_expand): Likewise.
1669 * genrecog.c (write_switch, write_subroutine): Likewise.
1671 * mips-tfile.c (catch_signal, botch): Likewise.
1673 * print-rtl.c (print_rtx): Likewise.
1675 * toplev.c (default_print_error_function, report_error_function,
1676 _fatal_insn): Likewise.
1678 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1680 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
1682 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1684 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
1685 operations when needed.
1686 * i386.md (fop_?f_comm): New.
1687 (fop_?f_1): Do not accept commutative operands.
1689 1999-11-25 Andreas Jaeger <aj@suse.de>
1691 * config/mips/mips.md (casesi_internal): Add missing brace.
1693 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
1695 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
1696 (splice_child_die): Handle moving a child DIE from the declaration
1697 DIE of a class to its specification.
1698 (gen_struct_or_union_type_die): Use 'complete' consistently.
1699 (gen_decl_die): Generate the virtual context DIE first.
1700 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
1702 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
1704 * config/mips/mips.md (call_value_multiple_interanal1): New.
1706 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
1708 * dwarf2out.c (free_AT, free_die): New fns.
1709 (remove_children): Call them.
1710 (output_line_info): Disable removal of duplicate notes.
1712 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
1713 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
1714 means pretend the type isn't defined.
1715 Don't defer emitting types.
1716 (gen_type_die_for_member): New fn.
1717 (gen_decl_die): Call it.
1718 (splice_child_die): New fn.
1719 (gen_member_die): Call it rather than generate duplicate dies.
1721 Defer emitting information for the abstract instance of an inline
1722 until we either inline it or emit an out-of-line copy.
1723 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
1724 from output_inline_function if DECL_ABSTRACT is also set.
1725 (block_ultimate_origin): Likewise.
1726 (gen_abstract_function): New fn.
1727 (gen_decl_die, gen_inlined_subroutine_die): Call it.
1728 (gen_subprogram_die): An abstract instance is not a declaration
1729 just because it doesn't match current_function_decl. Don't abort
1730 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
1731 has an abstract origin.
1732 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
1733 abstract instance here.
1735 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
1737 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
1738 where we need to reload fpul from a system register.
1740 1999-11-24 Andreas Jaeger <aj@suse.de>
1742 * config/mips/linux.h (CPP_PREDEFINES): Added.
1743 (LINK_SPEC): Remove -Y since this is only needed on sparc.
1745 1999-11-24 Andreas Jaeger <aj@suse.de>
1747 * config/mips/linux.h (TARGET_VERSION): Added.
1748 (HANDLE_SYSV_PRAGMA): Added.
1749 (DEFAULT_VTABLE_THUNKS): Added.
1751 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1753 * local-alloc.c (qty): New structure and static variable.
1754 (qty_phys_reg): Remove, all references changed to qty.
1755 (qty_n_refs): Likewise.
1756 (qty_min_class): Likewise.
1757 (qty_birth): Likewise.
1758 (qty_death): Likewise.
1759 (qty_size): Likewise.
1760 (qty_mode): Likewise.
1761 (qty_n_calls_crossed): Likewise.
1762 (qty_alternate_class): Likewise.
1763 (qty_changes_size): Likewise.
1764 (qty_first_reg): Likewise.
1765 (alloc_qty): Rename variable QTY to QTYNO.
1766 (finf_free_reg): Likewise.
1767 (local_alloc): Allocate qty, do not allocate the removed variables.
1769 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
1771 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
1772 when -membedded-pic is passed.
1774 * config/mips/mips.md (casesi): Handle 64-bit case too.
1775 (casesi_internal_di): New insn.
1777 * config/mips/mips.c (embedded_pic_offset): Always make the
1778 embedded-pic subtractions relative to the name of the current
1779 function by use of the magic string "..CURRENT_FUNCTION".
1780 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
1782 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
1784 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
1785 of (const_int 0), when what we really care about is
1786 whether it's a zero constant anyway.
1787 (div_trap_mips16): Likewise.
1789 1999-11-23 Mark Mitchell <mark@codesourcery.com>
1791 * loop.c (loop_optimize): Always find_loop_tree_blocks and
1792 unroll_block_trees when generating debuggable code.
1794 * tree.h (unsave_expr_1): New function.
1795 (lang_unsave): New variable.
1796 (get_callee_fndecl): New function.
1797 * tree.c (unsave_expr_now_r): New function.
1798 (lang_unsave): Define.
1799 (unsave_expr_1): Likewise.
1800 (unsave_expr_now_r): Split out from unsave_expr_now.
1801 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
1802 call unsave_expr_now_r.
1803 (get_callee_fndecl): Define.
1805 * Makefile.in (gencheck): Don't depend on lang_tree_files.
1806 (gencheck.o): Do depend on lang_tree_files.
1808 * integrate.h (copy_decl_for_inlining): New declaration.
1809 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
1810 (copy_decl_for_inlining): New function.
1811 (integrate_parm_decls): Use it.
1812 (integrate_decl_tree): Likewise.
1814 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
1816 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
1817 the second two from the first.
1818 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
1819 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
1820 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1822 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
1823 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1826 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
1828 * pa.md (call_internal_symref, call_value_internal_symref): No mode
1829 needed on the address operand.
1830 * pa.c (call_operand_address): Check for the correct mode.
1832 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
1834 * loop.c: Include "basic-block.h".
1835 (try_copy_prop, replace_loop_reg): New functions.
1836 (load_mems): Detect registers that just hold copies of the hoisted
1837 mem, and call try_copy_prop to eliminate them.
1838 * Makefile.in (loop.o): Update dependencies.
1840 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
1842 * Makefile.in (gencheck.o): Depend on gencheck.h.
1843 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
1844 (insn-peep.o): Depend on except.h and function.h.
1845 (insn-attrtab.o): Depend on RECOG_H.
1846 (insn-output.o): Depend on toplev.h and flags.h.
1847 (gengenrtl.o): Depend on real.h.
1848 (gen-protos.o): Depend on cpplib.h and cpphash.h.
1849 Unify all dependencies to be on RECOG_H rather than recog.h.
1851 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1853 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
1854 * configure.in: Try building a bi-arch 32/64-bit compiler on
1855 sparc-*-solaris2.7 and higher.
1856 * configure: Rebuild.
1858 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
1860 * config/freebsd.h: New, FreeBSD architecture independent file.
1861 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
1863 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
1864 directly by i386/freebsd.h.
1865 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
1866 independent configuration file.
1867 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
1868 directly by i386/freebsd.h.
1869 * configure: Rebuilt.
1871 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
1872 which is in the user's namespace.
1873 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
1874 `i386' which is not in our namespace.
1876 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
1878 * invoke.texi (ARM Options): Add in -mno-alignment-traps
1880 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1882 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
1883 (add_dwarf_attr, add_child_die): Just push onto the front.
1884 (reverse_die_lists): New fn.
1885 (add_sibling_attributes): Use it.
1886 (push_decl_scope): Reorganize.
1887 (add_name_and_src_coords_attributes): Don't set file and line for
1889 (gen_subprogram_die): An artificial function doesn't need to match
1891 (gen_compile_unit_die): Return the generated die. Only add
1892 AT_comp_dir if the filename is relative.
1893 (remove_AT): Simplify loop. Also free string values.
1894 (output_die): A DIE ref can't be null.
1895 (output_value_format, value_format): Take a dw_attr_ref.
1896 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
1897 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1898 AT_addr, AT_lbl): New fns.
1899 (various): Use them.
1900 (various): Constify.
1902 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1904 * combine.c (combine_simplify_rtx): When handling a SUBREG,
1905 take SUBREG_WORD into account.
1906 (if_then_else_cond): Likewise.
1908 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1910 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
1911 clause from BSD license, pursuant with
1913 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
1915 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
1917 * loop.c (load_mems): Reformat slightly.
1918 * basic-block.h (regset_head): New typedef.
1919 (INIT_REG_SET): New macro.
1921 1999-11-22 Bruce Korb <autogen@linuxbox.com
1923 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
1924 (mips-dec-bsd*): non-functional code
1925 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
1927 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
1928 added three replacement fixes
1929 (no_double_slash): removed comments that are not (any longer) pertinent
1930 (bad_lval): this fix currently runs against many files.
1931 The comment seems to indicate that we should select for files
1932 containing 'pragma extern_prefix'.
1934 * fixinc/fixinc.x86-linux-gnu: deleted
1935 * fixinc/inclhack.sh: regen
1936 * fixinc/fixincl.x: regen
1937 * fixinc/fixincl.sh: regen
1939 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
1941 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
1942 its code is INSN and it has no notes.
1944 1999-11-22 Andrew Haley <aph@cygnus.com>
1946 * varasm.c (function_defined): Remove.
1947 (make_function_rtl): Don't set function_defined.
1948 (make_decl_rtl): Remove global register warning.
1949 * regclass.c (no_global_reg_vars): New variable.
1950 (globalize_reg): Warn if function has already been defined.
1951 (regclass_init): Set no_global_reg_vars.
1953 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1955 * regclass.c (reg_pref): New structure and static variable
1956 (prefclass): Delete.
1958 (all uses of prefclass and altclass): Use reg_pref instead.
1960 1999-11-21 Nick Clifton <nickc@cygnus.com>
1962 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
1964 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
1965 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1966 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1968 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
1970 * varasm.c (output_constructor): Solve problem with long long
1971 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
1973 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1975 * global.c (allocno): New structure and static variable.
1976 (allocno_reg): Remove, all references replaced by allocno.
1977 (allocno_size): Likewise.
1978 (hard_reg_conflicts): Likewise.
1979 (hard_reg_preferences): Likewise.
1980 (hard_reg_copy_preferences): Likewise.
1981 (hard_reg_full_preferences): Likewise.
1982 (regs_someone_prefers): Likewise.
1983 (allocno_calls_crossed): Likewise.
1984 (allocno_n_refs): Likewise.
1985 (allocno_live_length): Likewise.
1986 (find_reg): Rename ALLOCNO to NUM.
1988 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
1990 (may_move_out_cost): New variable.
1991 (init_reg_sets_1): Initialize may_move_out_cost.
1992 (record_reg_classes): Use may_move_out_cost.
1994 * regclass.c (dump_regclass): New function.
1995 (regclass): New parameter DUMP, call DUMP_REGCLASS.
1996 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
1997 pass rtl_dump_file to regclass.
1998 * rtl.h (regclass): Update prototype.
2000 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2002 * i386.md (neg, not and abs patterns): Revmap to use
2003 ix86_expand_unary_operator and ix86_unary_operator_ok.
2004 (add?f and sub?f expanders): Force operand 1 to register.
2005 * i386.c (ix86_expand_unary_operator): Rewrite.
2006 (ix86_unary_operator_ok): Ensure that memory operands
2008 (ix86_binary_operator_ok): Do not allow operand 1 to
2009 come into memory and operand 0 not.
2010 (ix86_expand_binary_operator): Ensure that
2011 src1 is not non-matching memory.
2013 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
2014 to support integer registers and memory.
2015 (abss?2_integer): Likewise.
2017 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
2018 (REG_CLASS_NAMES): Likewise.
2019 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
2021 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
2022 (movsf): Likewise; unify 4th and 5th alternative.
2024 (movdf_1): Likewise; rename to movdf_integer.
2025 (pushxf): Likewise; rename to pushxf_integer; fix output template;
2026 remove redundant splitter.
2027 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
2028 (movdf_nointeger): New.
2029 (movxf_nointeger): New.
2030 (pushxf_nointeger): New.
2032 * i386.md (extend?f?f): Split to expander and pattern, refuse two
2033 memory operands in patterns.
2034 (fop*): Refuse two memory operands.
2036 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
2037 on !TARGET_USE_CLTD CPUs.
2039 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
2041 * extend.texi: Document C++ restricted pointers and references.
2043 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
2045 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
2046 (invalidate_skipped_set): Call it unconditionally.
2047 (cse_set_around_loop): Likewise.
2049 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2051 * rtl.texi (mem): Add documentation for alias-set argument
2054 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2056 * i386.h (struct_processor_costs): New fields int_load, int_store,
2057 fp_move, fp_load and fp_store
2058 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
2060 (MEMORY_MOVE_COST): New macro.
2061 * i386.c (386_cost): Define new fields.
2062 (i486_cost): Likewise.
2063 (pentium_cost): Likewise.
2064 (pentiumpro_cost): Likewise.
2065 (k6_cost): Likewise.
2067 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
2068 Geoffrey Keating <geoffk@cygnus.com>
2070 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
2072 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
2075 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
2076 (TARGET_STRICT_ALIGNMENT): New macro.
2077 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
2078 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
2079 * invoke.texi (M680x0 Options): Document -mstrict-align.
2081 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
2082 Richard Henderson <rth@cygnus.com>
2084 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
2085 (ix86_split_long_move): Declare.
2086 * i386.c (split_xf, ix86_split_movdi): Remove.
2087 (ix86_split_to_parts, ix86_split_long_move): New.
2088 * i386.md (dimode move splitters): Use ix86_split_long_move.
2089 (dfmode move splitters): Likewise.
2090 (xfmode move splitters): Likewise.
2091 (movsf_1): Allow F->r.
2092 (movdf_1, movxf_1): Allow F->ro.
2094 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2096 * except.h (struct eh_entry): Add goto_entry_p.
2097 (eh_region_from_symbol): Remove prototype.
2098 * except.c (find_func_region_from_symbol): New function.
2099 (emit_cleanup_handler): Likewise.
2100 (eh_region_from_symbol): Make it static.
2101 (add_new_handler): Verify the argument.
2102 (find_func_region): Update comment.
2103 (expand_eh_region_end): Expand handlers here, rater than waiting
2104 until expand_leftover_cleanups or start_all_catch.
2105 (expand_leftover_cleanups): Don't expand here.
2106 (expand_start_all_catch): Or here.
2107 (expand_rethrow): Check the return value from find_func_region.
2108 * function.c (expand_function_end): Emit the catch_clauses.
2110 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
2112 * integrate.c (expand_inline_function): Add necessary check for NULL.
2114 1999-11-18 Nick Clifton <nickc@cygnus.com>
2116 * toplev.c (main): Correctly detect an unrecognised option.
2118 * cppinit.c (cpp_handle_option): Do not claim to have consumed
2119 a -f option if it has not been recognised.
2121 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
2123 * basic-block.h (update_life_extent): Remove trailing comma on
2124 enumeration type list.
2126 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2128 * varasm.c (output_constructor) Solved problem with long long
2129 bitfields. Corrected calculating this_time and shift. Also
2130 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
2132 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
2134 * flow.c (split_edge): Take looping structure into account when
2135 determining where to put the new block note.
2137 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
2139 * Makefile.in (ggc-none.o): Provide host specific version if
2142 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
2144 * cse.c (delete_trivially_dead_insns): Identify no-op insns
2145 containing subregs too.
2147 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2149 * invoke.texi: Add documentation for -muninit-const-in-rodata.
2150 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
2151 (TARGET_UNINIT_CONST_IN_RODATA): Define.
2152 (text_section): Add switches -munint-const-in-rodata and
2153 -mno-uninit-const-in-rodata.
2154 (ASM_OUTPUT_COMMON): Remove.
2155 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
2156 const objects should be placed in read-only data. Otherwise declare
2159 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
2161 * jump.c (jump_optimize_1): Revert last change.
2163 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
2165 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
2166 test if optimizing for size.
2168 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2170 * Makefile.in (toplev.o): Depend on except.h.
2171 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
2173 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2175 * i386.md (divmodsi4): Rewrite to expander.
2176 (*divmodsi4_nocltd): New.
2177 (*divmodsi4_cltd): New.
2178 (divmodsi4 splitter): Handle the case when input comes in edx.
2179 (udivmodhi4): Do not use constraints in exander.
2180 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
2182 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
2184 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
2185 for the common case.
2187 1999-11-16 Jakub Jelinek <jakub@redhat.com>
2189 * explow.c (hard_function_value): Add outgoing argument.
2190 * expr.h (hard_function_value): Declare it.
2191 * calls.c (expand_call, emit_library_call_value): Update callers.
2192 * function.c (aggregate_value_p): Ditto.
2193 (diddle_return_value): Must look at the outgoing registers
2194 on archs with register windows.
2196 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
2198 * alpha.c (alpha_build_va_list): Use make_lang_type and
2199 initialize TYPE_NAME for the va_list record.
2201 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
2203 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
2205 * ggc.h (struct ggc_statistics): Rearrange elements for better
2206 packing on 64-bit hosts.
2207 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
2208 (compute_nearerout): Likewise.
2210 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
2212 * config/rs6000/rs6000.c (first_reg_to_save): Save
2213 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
2215 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
2217 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
2218 notion of nesting to find the DIE for a type or function.
2219 DIEs can go in limbo even if we got a context_die.
2220 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
2221 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
2223 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
2224 (gen_type_die): Writing out the context doesn't cause member class
2225 template instantiations to be written out as well.
2227 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
2229 * rs6000.h (ASM_OUTPUT_DEF): New.
2230 Based on proposed addition from David Edelsohn.
2232 1999-11-15 Robert Lipe <RobertLipe@usa.net>
2233 Bruce Korb <autogen@linuxbox.com>
2235 * fixinc/inclhack.def
2236 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
2237 (unixware7_byteorder_fix): added. Removes conflicts for new defs
2239 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
2240 (svr4_endian): enabled with SVR5
2241 (svr4_mkdev): simplified syntax and enabled with SVR5
2243 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
2245 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
2246 * configure: Rebuilt.
2247 * config/t-freebsd-thread: New file.
2249 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
2251 * i386.c (ix86_decompose_address): Verify the base is a REG
2252 before trying to examine its register number.
2254 * basic-block.h: Remove all #defines and prototypes related to
2256 (free_bb_mem, compute_preds_succs): Remove prototype.
2257 * rtl.h (free_bb_mem): Remove prototype.
2258 * flow.c (alloc_int_list_node); Remove function.
2259 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
2260 (compute_preds_succs, free_bb_mem): Likewise.
2261 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
2262 * toplev.c (rest_of_compilation): Likewise.
2263 * haifa-sched.c (build_control_flow): Use flow generated edge
2264 list to build the haifa specific edge list.
2265 (find_rgns): Use new CFG data structures instead of pred/succ lists.
2266 (schedule_insns): Do not build pred/succ lists anymore. Instead
2267 build the edge table.
2269 * basic-block.h (dump_bb_data): Remove declaration.
2270 * flow.c (dump_bb_data): Remove function.
2271 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
2272 (sbitmap_union_of_predsucc): Likewise.
2274 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
2275 argument. All callers changed.
2276 (delete_null_pointer_checks_1): No longer need to compute the
2279 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
2280 All callers changed.
2281 (pre_expr_reaches_here_p_work): Likewise.
2282 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
2283 * lcm.c (compute_laterin): Fix initialization of LATER.
2284 (compute_nearerout): Similarly for NEARER.
2286 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2288 * cse.c (set_nonvarying_address_components): Delete unused function.
2289 (refers_to_p): Likewise.
2291 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
2293 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
2296 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2298 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
2299 definition in do while (0).
2301 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
2303 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
2305 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
2307 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
2309 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
2311 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
2312 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
2313 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
2314 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
2316 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
2317 saved on the stack. Output more accurate stack frame statistics
2318 into assembler file.
2320 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
2322 * genextract.c (record_insn_name): New function.
2323 (get_insn_name): No longer a stub.
2324 (main): Call record_insn_name for each insn. After each label
2325 written, print the insn name in a comment.
2327 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2329 * output.h (const_section, init_section, fini_section): Add
2332 * alpha/elf.h (const_section): Delete declaration.
2334 * svr4.h (const_section): Likewise.
2336 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
2338 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
2339 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
2340 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
2342 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
2343 variable-sized array bounds.
2345 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
2347 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
2350 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2352 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
2353 addresses the same way GO_IF_LEGITIMATE_INDEX does.
2355 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2357 * cse.c (hash_arg_in_struct): Delete.
2358 (struct table_elt): Delete elt in_struct.
2359 (struct set): Delete elt src_in_struct.
2360 (merge_equiv_classes): Don't set either hash_arg_in_struct or
2361 the corresponding in_struct elts.
2362 (canon_hash): Likewise.
2363 (safe_hash): Likewise.
2364 (find_best_addr): Likewise.
2365 (record_jump_cond): Likewise.
2366 (cse_insn): Likewise.
2368 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
2370 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
2372 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
2375 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
2377 * function.c (diddle_return_value): Put back check that the DECL_RTL
2378 for the function is a register.
2380 * function.c (diddle_return_value): Use hard_function_value to
2381 get an rtx suitable for use in the USE/CLOBBER insn.
2383 * global.c (global_conflicts): Update comments.
2384 (record_conflicts): No need to record conflicts between pseudos here.
2386 1999-11-11 Bruce Korb <autogen@linuxbox.com>
2388 * fixinc/fixincl.c: Added verbose levels for status messages
2390 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2392 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
2393 operand as argument to expand_and or expand_binop.
2395 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
2397 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
2398 gcc_add_string_root.
2400 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
2402 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
2404 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
2406 * flow.c (compute_flow_dominators): Initially put all blocks on
2408 * lcm.c (compute_antinout_edge, compute_available): Similarly.
2409 * gcse.c (compute_cprop_avinout): Remove.
2410 (compute_cprop_data): Use compute_available.
2411 (delete_null_pointer_checks_1): Use compute_available.
2413 * basic-block.h (compute_available): Returns a void now.
2414 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
2415 to return a value anymore.
2416 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
2417 worklists. Fix boundary cases. Compute maximal solutions.
2418 (compute_laterin, compute_nearerout): Similarly.
2420 * dwarf2out.c (add_AT_location_description): Allow
2421 (mem (plus (pseudo) (...)) too.
2423 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
2425 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
2427 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
2428 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2430 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
2432 * gansidecl.h: Likewise.
2438 * toplev.h: Likewise.
2444 * varray.c: Likewise.
2446 * varray.h: Likewise.
2448 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
2450 * gcov.c (struct arcdata): Add hits and total, remove prob.
2451 (output_branch_counts): New.
2452 (process_args): Set output_branch_counts if -c.
2453 (calculate_branch_probs): Store hits and total instead of
2455 (output_data): Emit counts if output_branch_counts is true.
2456 * gcov.texi (Invoking Gcov): Document -c switch..
2458 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
2460 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
2461 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
2463 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
2465 * invoke.texi (C Dialect Options): Add missing builtins from
2467 * extend.texi (Other Builtins): Copy to this list.
2469 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2471 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
2472 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
2475 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
2477 * flow.c (compute_flow_dominators): No longer treat basic block 0
2478 or (n_basic_blocks - 1) specially. Clear the AUX field before
2479 starting computation of doms/pdoms. Fix initial state for pdoms.
2481 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2483 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
2484 match rtl.o's: added ggc.h and toplev.h
2485 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
2486 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
2487 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
2489 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
2491 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
2492 from HAVE_DOS_BASED_FILESYSTEM.
2493 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
2494 HAVE_DOS_BASED_FILESYSTEM.
2496 (split_directories): Only special-case DOS file names if
2497 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
2498 instead of explicit tests. Conditionalize on !VMS.
2499 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
2500 tests. Conditionalize on !VMS.
2501 (process_command): Only use make_relative_prefix if !VMS.
2502 (free_split_directories): Conditionalize on !VMS.
2503 (DIR_UP): Conditionalize on !VMS.
2505 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
2507 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
2509 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
2511 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
2514 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
2516 * invoke.texi (Environment Variables): Document relative path
2518 * gcc.c (DIR_UP): If not defined, define as "..".
2519 (standard_bindir_prefix): New static, holds target location to
2521 (split_directories): New function to split a filename into
2522 component directories.
2523 (free_split_directories): New function, release memory allocated
2524 by split_directories.
2525 (make_relative_prefix): New function, make a relative pathname if
2526 the compiler is not in the expected location.
2527 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
2528 can figure out an appropriate prefix from argv[0].
2529 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
2530 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
2531 STANDARD_BINDIR_PREFIX.
2533 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2535 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
2537 * config/c4x/c4x.h: Moved prototypes to c4x.h.
2538 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
2539 c4x_secondary_memory_needed) Delete.
2540 (fp_zero_operand): Add mode argument.
2542 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
2544 * reload1.c (reload_reg_free_for_value_p): Don't use a register
2545 that is in reload_reg_used.
2547 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
2549 * config/arm/arm-protos.h: New file: Prototypes for functions
2550 defined in arm.c and pe.c.
2551 * config/arm/arm.h: Fix compile time warnings.
2552 * config/arm/arm.c: Fix compile time warnings.
2553 * config/arm/pe.h: Fix compile time warnings.
2554 * config/arm/aout.h: Fix compile time warnings.
2556 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
2558 * config/m32r/m32r-protos.h: New file: Prototypes for functions
2561 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
2562 Add support for subtargets.
2563 Add prototypes for new predicates.
2564 Add scheduling macros.
2566 * config/m32r/m32r.c: Fix compile time warnings.
2567 (int8_operand): New predicate function.
2568 (reg_or_cmp_int16_operand): New predicate function.
2569 (extend_operand): New predicate function.
2570 (m32r_adjust_code): New scheduling function.
2571 (m32r_adjust_priorty): New scheduling function.
2572 (m32r_sched_init): New scheduling function.
2573 (m32r_sched_reorder): New scheduling function.
2574 (m32r_sched_variable_issue): New scheduling function.
2575 (direct_return): New codegen function.
2576 (m32r_not_same_reg): New rtl testsing function.
2578 * config/m32r/m32r.md: Fix compile time warnings.
2579 Add support for pre decrement and post increment memory
2584 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2586 * global.c (EXECUTE_IF_CONFLICT): Don't define.
2587 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
2588 (find_reg): Likewise.
2590 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
2592 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
2593 to avoid assembler errors.
2595 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
2597 * config/v850/v850-protos.h: New file: Prototypes for functions
2599 * config/v850/v850.h: Move prototypes to v850-protos.h
2600 * config/v850/v850.c: Move prototypes to v850-protos.h
2601 * config/v850/v850.md: Fix compile time warnings.
2603 * config/fr30/fr30-protos.h: New file: Prototypes for functions
2605 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
2606 * config/fr30/fr30.c: Fix compile time warnings.
2607 * config/fr30/fr30.md: Fix compile time warnings.
2609 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
2611 * tree.h (get_containing_scope): Declare it.
2612 * tree.c (get_containing_scope): New fucntion.
2613 (decl_function_context): Use it.
2614 * toplev.c (rest_of_compilation): Use get_containing_scope.
2616 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2618 * Makefile.in (rtl.o): Depend on toplev.h.
2620 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
2622 * cse.c (delete_trivially_dead_insns): Replace alloca with
2624 * except.c (update_rethrow_references): Likewise.
2625 (init_eh_nesting_info): Likewise.
2626 * function.c (identify_blocks): Likewise.
2627 * gcse.c (dump_hash_table): Likewise.
2628 * graph.c (print_rtl_graph_with_bb): Likewise.
2629 * loop.c (combine_movables): Likewise.
2630 (move_movables): Likewise.
2631 (count_loop_regs_set): Likewise.
2632 (strength_reduce): Likewise.
2633 * profile.c (compute_branch_probabilities): New function, split
2635 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
2636 * regclass.c (regclass): Likewise.
2637 * regmove.c (regmove_optimize): Likewise.
2638 * toplev.c (compile_file): Likewise.
2639 (main): Don't mess with the stack rlimit.
2641 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
2643 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
2644 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
2646 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
2648 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
2650 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
2652 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
2653 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
2656 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
2658 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
2660 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
2662 * gcse.c (post_dominators): Kill.
2663 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
2664 (compute_code_hoist_data): Use compute_flow_dominators. Do not
2665 pass in a pdom array since we do not need pdoms.
2666 * haifa-sched.c (schedule_insns): Similarly.
2667 * flow.c (compute_dominators): Remove dead function.
2668 (compute_flow_dominators): Do not compute doms or pdoms if the
2669 caller does not request them. Split up loop to build doms and
2670 pdoms. Use a worklist to compute doms and pdoms.
2671 * basic-block.h (compute_dominators): Remove prototype.
2673 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
2675 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
2676 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
2677 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
2678 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
2679 (cant_move, fed_by_spec_load, is_load_insn): Remove.
2680 (schedule_region): Remove unused variable.
2681 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
2683 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
2685 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
2686 (update_equiv_regs): Likewise.
2687 (block_alloc): Likewise.
2688 * reg-stack.c (reg_to_stack): Likewise.
2689 (convert_regs_2): Likewise.
2690 * reload1.c (reload_as_needed): Likewise.
2692 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
2694 * Makefile.in (dbxout.o): Depend on ggc.h.
2695 (dwarf2out.o): Likewise.
2696 (xcoffout.o): Likewise.
2697 * dbxout.c: Include ggc.h.
2698 (dbxout_init): Register lastfile as a root.
2699 * dwarf2out.c: Include ggc.h.
2700 (dwarf2out_line): Register lastfile as a root.
2701 * xcoffout.c: Include ggc.h.
2702 (xcoffout_source_line): Register xcoff_lastfile as a root.
2704 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
2706 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
2708 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
2710 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
2712 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2714 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2716 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
2717 (EXECUTE_IF_CONFLICT): Likewise.
2718 (ALLOCNO_LIVE_P): Avoid signed division.
2719 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
2720 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
2721 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
2723 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
2725 * haifa-sched.c (schedule_block): Don't crash if there's no
2726 next insn for an interblock movement.
2727 (add_branch_dependences): Don't allow clobber insns to move either.
2729 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
2731 * i386.c (split_xf): New.
2732 * i386-protos.h: Declare it.
2733 * i386.md (movxf_1): Add general regs alternatives.
2734 (movxf_1+1): New splitter for same.
2736 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
2738 * function.c (purge_addressof_1): Add missing return values.
2740 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
2742 * function.c (is_addressof): New function. Returns true if
2743 the given piece of RTL is an ADDRESSOF.
2744 (purge_addressof_1): Make boolean. Return false if the
2745 ADDRESSOFs could not be purged.
2746 (purge_addressof): If ADDRESSOFs could not be purged from the
2747 notes attached to an insn, remove the offending note(s),
2748 unless they are attached to a libcall.
2750 1999-11-05 Andreas Jaeger <aj@suse.de>
2752 * genoutput.c (null_operand =): Initialize all fields.
2754 * errors.h: Add extern to prototypes.
2756 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
2758 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
2759 * configure: Rebuilt.
2761 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2763 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
2764 (mirror_conflicts): New function.
2765 (global_alloc): Call it.
2766 (expand_preferences): Remove redundant CONFLICTP test.
2767 (find_reg, dump_conflicts): Likewise.
2768 (prune_preferences): Process conflicts one word at a time.
2770 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
2772 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
2773 instead of an explicit loop.
2775 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
2777 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
2778 if REG_RETVAL check succeeds, then put classp in src_elt.
2780 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
2782 * function.c (pad_to_arg_alignment): Only update argument_pad
2783 if the argument's alignment is greater than STACK_BOUNDARY.
2785 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
2787 * bitmap.h (BITMAP_XFREE): New.
2788 * flow.c (life_analysis): Use it.
2789 (life_analysis_1): Free blocks.
2791 * combine.c (undo_commit): New.
2792 (try_combine): Use it. Don't zap undobuf.undos.
2793 (combine_instructions): Don't zap undobuf.undos; free the
2796 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
2798 * stmt.c (cost_table_): New.
2799 (estimate_case_costs): Use it instead of xmalloc.
2801 * toplev.c (compile_file): Reuse dumpname memory instead
2804 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
2806 * reg-stack.c (convert_regs_1): Initialize target_stack->top
2807 after verifying an EH edge.
2809 * haifa-sched.c (init_rgn_data_dependences): Correctly
2810 size bb_pending_lists_length when zeroing.
2812 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
2814 * function.c (diddle_return_value): New.
2815 (expand_function_end): Use it.
2816 * stmt.c (expand_null_return): Likewise.
2817 (expand_value_return): Likewise.
2819 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
2821 * reload1.c (reload): Don't remove return value clobbers.
2823 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
2825 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
2827 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
2829 * cse.c (cse_main): Use xmalloc, not alloca.
2830 (cse_basic_block): Likewise.
2831 * local-alloc.c (local_alloc): Likewise.
2833 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
2834 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2836 * rtl.c: Include toplev.h.
2837 (fatal): Remove declaration.
2839 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
2841 * haifa-sched.c (schedule_block): Fix thinko.
2843 1999-11-03 James McKelvey <mckelvey@fafnir.com>
2845 * fixinc/fixincl.c(create_file): Allow for systems that do not have
2846 S_IR* defined values
2848 1999-11-03 Philippe De Muyter <phdm@macqel.be>
2850 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
2851 call `malloc' instead.
2853 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
2855 * flags.h (flag_renumber_insns): Declare.
2856 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
2858 * rtl.h (renumber_insns): Change prototype.
2859 * toplev.c (flag_renumber_insns): Define.
2860 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
2862 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
2864 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
2865 and fpsqrtd. Use them and create fdiv function unit to more
2866 accurately represent fpu sqrt pipeline semantics on UltraSparc.
2867 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
2869 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
2871 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
2873 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
2874 insn into ready list, do not use just a raw swap.
2876 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
2878 * rtl.h (renumber_insns): New function.
2879 (remove_unnecessary_notes): Likewise.
2880 * emit-rtl.c (renumber_insns): Define.
2881 (remove_unncessary_notes): Likewise.
2882 * toplev.c (rest_of_compilation): Remove dead code.
2883 Use renumber_insns and remove_unncessary_notes.
2885 * gcse.c (struct null_pointer_info): New type.
2886 (get_bitmap_width): New function.
2887 (current_block): Remove.
2888 (nonnull_local): Likewise.
2889 (nonnull_killed): Likewise.
2890 (invalidate_nonnull_info): Take a null_pointer_info as input.
2891 (delete_null_pointer_checks_1): New function.
2892 (delete_null_pointer_checks): Use it.
2894 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
2895 (split_edges): Likewise.
2896 (schedule_block): Likewise.
2897 (compute_block_backward_dependencies): Likewise.
2898 (schedule_region): Likewise.
2899 (schedule_insns): Likewise.
2901 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
2903 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
2904 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
2905 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
2906 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
2907 * jump.c (delete_unreferenced_labels): Don't delete if
2908 LABEL_ALTERNATE_NAME is set.
2909 * print-rtl.c (print_rtx): Dump alternate name.
2910 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
2911 * rtl.h (LABEL_ALTERNATE_NAME): Define.
2912 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
2913 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
2915 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2917 * fix-header.c (recognized_extern, recognized_function): Constify
2920 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
2921 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2922 (compute_available): Remove unused variable `last'.
2923 (compute_nearerout): Remove unused variable `temp_bitmap'.
2924 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2925 Remove unused variable `x'.
2927 * scan.h (recognized_function, recognized_extern): Constify a
2930 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
2932 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2934 * varasm.c (decode_rtx_const): Use XSTR to access the string
2937 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
2939 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
2941 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2943 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
2945 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
2947 * pa.c (ireg_operand): New function.
2948 * pa.h (PREDICATE_CODES): Handle ireg_operand.
2949 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
2950 Fix out of date comment.
2952 * pa.md (negdi2): Turn into expander + anonymous pattern.
2954 * reload.c (find_reloads): Fix typos in recent change.
2956 * dwarf2out.c: Do not include ctype.h.
2958 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2960 * regclass.c (record_reg_classes): Always use may_move_cost when
2961 seeing how operand fits with various register classes.
2963 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
2965 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
2966 * toplev.c: Revert Nov 1 13:22 change.
2968 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
2970 * config/pa/pa.md (height reduction patterns): Add checks for
2971 overlapping operands to avoid semantic-destroying splits for
2972 height reduction patterns.
2974 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2976 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
2977 have been an hyphen, fixed.
2978 * configure: Rebuilt.
2980 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
2982 * config/arm/tpe.h: Add prototypes for exported functions.
2983 * config/arm/pe.c: Fix compile time warnings.
2984 * config/arm/semi.h: Fix compile time warnings.
2985 * config/arm/arm.c: Fix compile time warnings.
2986 * config/arm/arm.h: Fix compile time warnings.
2987 * config/arm/arm.md: Fix compile time warnings.
2988 * config/arm/thumb.c: Fix compile time warnings.
2989 * config/arm/thumb.h: Fix compile time warnings.
2990 * config/arm/thumb.md: Fix compile time warnings.
2992 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
2994 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
2997 * unroll.c (unroll_loop): Remove LOOP notes when loop is
2998 completely unrolled.
3000 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3002 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
3004 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
3006 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
3007 * rtl.h (rtx_equal_p): Move prototype.
3008 * rtl.c (rtx_equal_function_value_matters): Move from
3010 (rtx_equal_p): Likewise.
3011 * rtlanal.c (rtx_equal_function_value_matters): Delete.
3012 (rtx_equal_p): Likewise.
3014 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
3016 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
3019 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
3021 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
3023 * pa.h (ADDR_VEC_ALIGN): Define.
3025 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
3026 notes when presented with "if (foo) break; end_of_loop" and
3027 the break sequence gets moved out of the loop.
3029 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
3030 Remove explicit zero initializations of entries within MAP.
3032 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
3034 * reg-stack.c (convert_regs_1): Handle EH edges specially.
3036 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
3038 * bitmap.h (BITMAP_XMALLOC): New macro.
3039 * flow.c (CLEAN_ALLOCA): Remove.
3040 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
3041 (life_analysis): Likewise.
3042 (update_life_info): Don't use CLEAN_ALLOCA.
3043 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
3044 (calculate_global_regs_live): Likewise.
3045 (print_rtl_with_bb): Likewise.
3046 (verify_flow_info): Likewise.
3047 * global.c (global_alloc): Likewise.
3048 (global_conflicts): Likewise.
3049 * integrate.c (save_for_inline_nocopy): Likewise.
3050 (expand_inline_function): Likewise.
3051 * jump.c (jump_optimize_1): Likewise.
3052 (duplicate_loop_exit_test): Likewise.
3053 (thread_jumps): Likewise.
3054 * loop.c (loop_optimize): Likewise.
3055 (combine_givs): Likewise.
3056 (recombine_givs): Likewise.
3057 * reorg.c (dbr_schedule): Likewise.
3058 * unroll.c (unroll_loop): Likewise.
3060 * combine.c (combine_instructions): Use xmalloc instead of alloca.
3062 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
3064 * toplev.c (rest_of_compilation): Don't optimize the CFG
3065 when rebuilding, just before dbr.
3067 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3069 * output.h (assemble_end_function, assemble_destructor,
3070 assemble_constructor, assemble_gc_entry, assemble_global,
3071 assemble_label, output_constant_pool) Constify a char*.
3073 * varasm.c (assemble_destructor, assemble_constructor,
3074 assemble_gc_entry, assemble_end_function, assemble_global,
3075 assemble_label, output_constant_pool): Likewise.
3077 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
3079 * config/arm/thumb.c (thumb_expand_prologue): Add comments
3080 explaining what is goin on in this function.
3082 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3084 * regclass.c (record_reg_classes): In matching case, recompute
3085 costs since the direction of movement is different.
3087 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
3089 * resource.c (mark_target_live_regs): For unconditional branches,
3090 the resources found at the branch target should be added to the
3091 resources found so far, not intersected.
3093 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
3095 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
3097 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
3098 (sys/mman.h): Include this file only if #HAVE_MMAP.
3099 (run_compiles): Initialize `esac_fmt' with one old KR string, not
3100 with automatically concatenated ANSI strings.
3102 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
3104 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
3105 (DIV_ROUND_UP): Robustify.
3106 (ggc_recalculate_in_use_p): New function.
3107 (release_pages): Don't inline it.
3108 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
3110 (ggc_pop_context): Use ggc_recalculate_in_use_p.
3111 (clear_marks): Always save in_use_p.
3112 (sweep_pages): Use ggc_recalculate_in_use_p.
3113 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
3114 Release pages before counting statistics.
3116 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
3118 * toplev.c (rest_of_compilation): Fix thinko in this change:
3120 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3122 (rest_of_compilation): If inside an inlined external function,
3123 pretend we are just being declared.
3125 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
3127 * flow.c (calculate_global_regs_live): Fix thinko.
3129 * integrate.c (expand_inline_function): Fix bugs in previous
3130 change from Oct 28, 1999.
3132 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
3134 * stmt.c (expand_value_return): Fix typo in this change:
3136 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3137 (expand_value_return): Correctly convert VAL when promoting function
3138 return; support RETURN_REG being a PARALLEL.
3140 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
3142 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
3144 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3146 * hard-reg-set.h (reg_names): Constify a char*.
3148 * regclass.c (reg_names): Likewise.
3150 * regs.h (reg_names): Likewise
3152 * a29k/a29k.c (reg_names): Delete declaration.
3154 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
3156 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
3157 arc_output_function_epilogue): Likewise.
3159 * elxsi/elxsi.c (reg_names): Likewise.
3161 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
3163 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
3166 * m88k/m88k.c (output_function_profiler): Likewise.
3168 * sparc/sparc.c (sparc_flat_output_function_prologue,
3169 sparc_flat_output_function_epilogue): Likewise.
3171 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
3173 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
3174 warning from -Wuninitialized and put it under -W.
3175 * function.c (uninitialized_vars_warning): Warn only when the
3176 corresponding flag is set.
3178 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
3180 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
3181 is nonzero and the single set does not have an elt, then assign
3184 * simplify-rtx.c: New file.
3185 * Makefile.in (OBJS): Add simplify-rtx.o
3186 (simplify-rtx.o): Add dependencies.
3187 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
3188 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
3189 (cse_gen_binary, simplify_unary_operation): Delete.
3190 (simplify_binary_operation, simplify_plus_minus): Likewise.
3191 (check_fold_consts, simplify_relation_operation): Likewise.
3192 (simplify_ternary_operation): Likewise.
3193 (delete_trivially_dead_insns): Simplify the contents of the
3194 REG_EQUAL note before trying to substitute it into the source
3195 of the reg-reg copy at the end of a libcall sequence.
3197 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
3198 references/callers changed.
3200 * mn10200.c (mn10200_va_arg): Force the return value into a
3203 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
3205 * cccp.c (macroexpand): Avoid out of range accesses for omitted
3208 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
3210 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
3212 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
3214 * fold-const.c (fold): Fix thinko when optimizing comparisons
3217 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
3219 * gcc.texi (Passes): Update front-end files to their current
3222 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
3224 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
3225 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3226 (PREDICATE_CODES): Add addition_operation.
3227 * alpha-protos.h (addition_operation): Declare.
3228 (secondary_reload_class): Likewise.
3229 * alpha.c (addition_operation): New.
3230 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
3231 * alpha.md (adddi3): Turn into expander.
3232 (*lda, *adddi_2): New.
3233 (movsf, movdf patterns): Don't preference integer regs.
3234 (movsi, movdi patterns): Don't preference fp regs.
3236 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
3238 * genrecog.c (write_switch): Check for duplicate CODE cases.
3240 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
3242 * ggc-common.c: Update pre-function commentary.
3243 * ggc-page.c: Likewise.
3245 (poison_pages): Use memset directly.
3246 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
3247 (ggc_collect): Poison before sweeping.
3248 * ggc-simple.c: Update pre-function commentary.
3249 (ggc_alloc_obj): Poison non-zeroed memory.
3251 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
3253 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
3254 match format string, even on 64-bit hosts.
3255 * gcc-page.c (ggc_page_print_statistics): Likewise.
3257 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
3259 * config/i386/i386.c (ix86_cpu): Revert last patch.
3260 * config/i386/i386.h (ix86_cpu): Ditto.
3262 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
3264 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
3265 TYPE_SIZE, convert type of result to sizetype.
3267 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
3269 * flow.c (count_or_remove_death_notes): Equate NULL with the
3272 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
3273 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
3276 * i386.c (pic_label_no): Delete.
3277 (ix86_attr_length_default): Don't use single_set to peek
3280 * recog.c (peephole2_optimize): Allow recog_next_insn to index
3281 the first insn after bb->end.
3282 * i386.md (push mem peeps): Scratch is live after evaluation
3284 (cmp mem peep): Similarly.
3286 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
3288 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
3289 * function.c (pad_to_arg_alignment): Add missing braces.
3291 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3293 * alpha/alpha-protos.h (literal_section): Add prototype.
3294 (alpha_need_linkage, alpha_start_function,alpha_end_function):
3297 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
3299 (alpha_start_function, alpha_end_function, float_strings,
3300 alpha_need_linkage): Constify a char*
3302 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
3304 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
3306 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3308 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3310 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3312 * flow.c (debug_flow_info): Add prototype.
3314 * gcc.c (main): Likewise.
3316 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
3319 * reload1.c (failed_reload, set_reload_reg): Likewise.
3321 * mips-tfile.c (main): Likewise.
3322 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
3323 with ATTRIBUTE_NORETURN.
3325 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
3327 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
3328 DECL is not a memory ref.
3330 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
3332 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
3333 * config/i386/i386.c (ix86_cpu): Add extern attribute.
3335 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
3337 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
3338 * config/mips/elf64.h: ditto.
3340 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
3342 * expr.c (emit_push_insn): New argument alignment_pad.
3343 Update all callers. Adjust stack pointer based on alignment pad.
3344 * function.c (pad_to_arg_alignment): New argument alignment_pad.
3345 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
3346 (locate_and_pad_parm): New argument alignment_pad. Update all
3348 * expr.h (emit_push_insn): Update prototype.
3349 (locate_and_pad_parm): Update prototype.
3350 * calls.c (arg_data): Add new field alignment_pad.
3351 (initialize_argument_information): Initialize alignment_pad.
3353 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
3355 * except.c (free_eh_nesting_info): Free the info itself.
3356 * function.c (free_after_compilation): Don't free NULL.
3357 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
3358 (pre_edge_insert): Free inserted.
3359 * stmt.c (free_stmt_status): Don't free NULL.
3361 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3363 * gcov.c (DIR_SEPARATOR): Provide default.
3364 (output_data): Add test for MS-DOS format absolute filename.
3365 (fancy_abort): Correct program name.
3366 (open_files): Open all files in binary mode.
3367 * libgcc2.c (__bb_exit_func): Likewise.
3369 * profile.c (init_branch_prob): Specify binary when opening files.
3371 * flags.h (flag_unwind_tables): New decl.
3372 * toplev.c (flag_unwind_table): New definition.
3373 (f_options): Add -funwind-tables.
3374 (decode_g_option): Clarify warning when unknown -g option is given.
3375 (rest_of_compilation): If inside an inlined external function,
3376 pretend we are just being declared.
3378 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
3379 (dwarf2out_frame_finish): Likewise.
3381 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
3383 * fold-const.c (merge_ranges): If not in0, but in1, handle
3384 upper bounds equal like subset case.
3386 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
3388 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
3389 passed in a register but moved to the stack.
3391 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
3393 * gcc.c (pass_exit_codes, greatest_status): New variables.
3394 (struct option_map): Add entry for "--pass-exit-codes".
3395 (execute): Update greatest_status if error.
3396 (display_help): Add documentation for -pass-exit-codes.
3397 (process_command): Handle -pass-exit-codes.
3398 (main): Look at pass_exit_codes and greatest_status on call to exit.
3400 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3402 * reload.c (find_reloads): Refine test for no input reload
3403 case to not includes reloads emitted after insn.
3405 * function.c (find_temp_slots_from_address): Handle sum involving
3406 a register that points to a temp slot.
3407 (update_temp_slot_address): Make recursive call if both old and
3408 new are PLUS with a common operand.
3409 * calls.c (expand_call): Mark temp slot for result as having
3412 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
3414 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
3415 component as well as "BINUTILS".
3417 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
3418 * integrate.c (copy_rtx_and_substitute): Likewise.
3419 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
3420 All callers changed.
3421 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
3423 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
3424 gdb extensions, write size of type; also be more consistent
3425 in using references when this is a subtype.
3427 * pa.md (extv, extzv, insv): Use define_expand to reject constant
3428 that is out of range.
3430 * loop.c (unknown_constant_address_altered): New variable.
3431 (prescan_loop): Initialize it.
3432 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
3433 (invariant_p, case MEM): Remove handling for volatile and readonly;
3434 check new variable if readonly.
3435 (check_dbra_loop): Chdeck unknown_constant_address_altered.
3437 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
3438 (addr_affects_sp_p): Removed from note_mem_written and only
3439 define #ifdef AUTO_INC_DEC.
3441 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
3443 * regclass.c (record_reg_classes): Properly handle register move
3446 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
3447 Don't think valid if both operands are invalid.
3448 (struct constant_descriptor): New field RTL.
3449 (mark_const_hash_entry): Mark it.
3450 (record_constant{,_rtx}): Initialize it.
3451 (output_constant_def): Allocate RTL in permanent obstack and
3453 ({record,compare}_constant_1): Modes must match for
3454 CONSTRUCTOR of ARRAY_TYPE.
3456 * c-common.h (initializer_constant_valid_p): Delete decl from here.
3457 * output.h (initializer_constant_valid_p): Move decl to here.
3458 * c-common.c (initializer_constant_valid_p): Delete function from here.
3459 * varasm.c (initializer_constant_valid_p): Move function to here.
3461 * tree.h (STRIP_SIGN_NOPS): New macro.
3462 * fold-const.c (optimize_minmax_comparison): New function.
3463 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
3464 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
3465 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
3466 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
3467 widening conversions.
3468 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
3469 to look at size of mode, not precision of type; also add missing cases.
3470 (optimize_bit_field_compare, decode_field_reference): Don't try to
3471 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
3473 * dwarf2out.c (ctype.h): Include.
3474 (dwarf2out_set_demangle_name_func): New function.
3475 (size_of_line_info): Deleted.
3476 (output_line_info): Compute size of line info table from difference
3478 (base_type_die, add_name_attribute): Call demangle function, if any.
3479 (field_byte_offset): Use bits per word for variable length fields.
3480 (gen_array_type_die): Add array name.
3481 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
3482 (dwarf2out_add_library_unit_info): New function.
3484 * explow.c (set_stack_check_libfunc): New function.
3485 (stack_check_libfunc): New static variable.
3486 (probe_stack_range): Allow front-end to set up a libfunc to call.
3488 * combine.c (simplify_comparison): When making comparison in wider
3489 mode, check for having commuted an AND and a SUBREG.
3490 (contains_muldiv): New function.
3491 (try_combine): Call it when dividing a PARALLEL.
3492 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
3493 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
3495 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
3496 use one of the CLOBBERs instead.
3497 (if_then_else_cond): If comparing against zero, just return thing
3500 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
3501 Don't generate shifts and subtract if have conditional arithmetic.
3503 * rtl.h (delete_barrier): New declaration.
3504 * jump.c (jump_optimize): Set up to handle conditional call.
3505 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
3506 (delete_barrier): New function.
3508 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
3510 * recog.c (nonmemory_operand): Accept ADDRESSOF.
3512 * tree.c (build_type_attribute_variant): Push to obstack of
3513 ttype around type_hash_canon call.
3515 * expr.c (placeholder_list): Move decl to file scope.
3516 (expand_expr): Don't force access to volatile just because its
3518 If ignoring reference operations, just expand the operands.
3519 (expand_expr, case COMPONENT_REF): Propagate
3520 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
3521 Refine test for using bitfield operations vs pointer punning.
3522 (expand_expr, case CONVERT_EXPR): If converting to
3523 BLKmode UNION_TYPE from BLKmode, just return inner object.
3524 Use proper mode in store_field call.
3525 Properly set sizes of object to store and total size in store_field
3526 call for convert to union.
3527 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
3528 memory (like for ADDR_EXPR). Also, don't put constant in register if
3529 we'll want it in memory.
3530 (readonly_fields_p): New function.
3531 (expand_expr, case INDIRECT_REF): Call it if LHS.
3532 (expand_assignment): Handle a RESULT_DECL where
3533 DECL_RTL is a PARALLEL.
3534 (do_jump, case WITH_RECORD_EXPR): New case.
3535 (get_inner_reference): Always go inside a CONVERT_EXPR
3536 and NOP_EXPR if both modes are the same.
3537 (store_field): Use bitfield operations if size of bitsize is not same
3538 as size of RHS's type.
3539 Check for bitpos not a multiple of alignment in BLKmode case.
3540 Do block move in largest possible alignment.
3541 (store_constructor): Set BITSIZE to -1 for variable size and properly
3542 in case of array of BLKmode.
3543 (expand_expr_unaligned): New function.
3544 (do_compare_and_jump): Call it.
3546 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
3547 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
3548 does not include 'o'.
3550 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
3551 both SET_DEST and SET_SRC reference a virtual register.
3552 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
3554 * integrate.c (expand_inline_function): Handle case of setting
3555 virtual stack vars register (from built in setjmp); when parameter
3556 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
3557 (subst_constant): Add new parm, MEMONLY.
3558 (expand_inline_function, integrate_parm_decls): Pass new parm.
3559 (integrate_decl_tree): Likewise.
3560 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
3561 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
3562 (copy_rtx_and_substitute, case SET): Add explicit calls to
3563 copy_rtx_and_substitute for both sides.
3565 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
3567 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
3568 within INDEX_TYPE, instead of before.
3569 (fixup_gotos): Use f->target_rtl, not the next insn,
3570 since latter may be from a later fixup.
3571 (expand_value_return): Correctly convert VAL when promoting function
3572 return; support RETURN_REG being a PARALLEL.
3573 (expand_return): When checking for result in regs and having
3574 cleanup, consider PARALLEL in DECL_RTL as being in regs.
3576 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
3578 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
3579 last_nominal_fname): Mark const.
3580 (struct include_hash: name, nshort, control_macro): Mark
3582 (struct macrodef: symnam): Mark const.
3583 (struct if_stack: fname): Mark const.
3584 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
3585 (IStable): New character-syntax array which encompasses all
3586 the old is_foo arrays.
3587 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
3588 is_space): New macros for interrogating IStable.
3589 (check_macro_name): Kill last argument. All callers changed.
3591 * cppinit.c (initialize_char_syntax): Delete.
3592 (is_idchar, is_idstart, is_hor_space, is_space,
3593 trigraph_table): Delete.
3594 (IStable): New. Initialize with clever macros to avoid
3595 information duplication.
3596 (builtin_array): Table of builtins to get rid of explicit list
3597 in initialize_builtins.
3598 (initialize_builtins): Use builtins_array.
3599 (cpp_start_read): Call init_IStable, and set IStable['$'] if
3600 opts->dollars_in_ident.
3602 * cppexp.c: Change all refs to is_xyz[] arrays to use new
3604 (cpp_parse_expr): Avoid 'format string is not constant'
3605 warning. Use ISGRAPH to identify printable chars.
3606 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
3608 (read_and_prescan): Map trigraphs to chars with open-coded
3609 if-else-if-... sequence, not a lookup table.
3610 * cpphash.c: Change all refs to is_xyz[] arrays to use new
3612 * cpplib.c: Change all refs to is_xyz[] arrays to use new
3613 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
3614 (check_macro_name): Remove ability to report an invalid
3615 assertion name, which is never used.
3616 (do_line): Constify a couple of char *'s.
3617 * cppmain.c (main): Call cpp_cleanup before returning.
3619 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
3621 * ggc.h (struct ggc_statistics): New type.
3622 (ggc_get_size): New function.
3623 (ggc_print_statistics): Likewise.
3624 * ggc-common.c (ggc_stats): New variable.
3625 (ggc_mark_rtx_children): Keep statistics.
3626 (ggc_mark_tree_children): Likewise.
3627 (ggc_print_statistics): New function.
3628 * ggc-page.c (struct globals): Add bytes_mapped field.
3629 (alloc_anon): Update it.
3630 (release_pages): Likewise.
3631 (ggc_get_size): New function.
3632 (ggc_page_print_statistics): New function.
3633 * ggc-simple.c (ggc_get_size): New function.
3635 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
3637 * flow.c (propagate_block): When the last reference to a label
3638 before an ADDR_VEC is deleted because the reference is a dead
3639 store, delete the ADDR_VEC.
3641 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
3643 * resource.c (find_free_register): Don't use the frame pointer
3644 if frame_pointer_needed.
3646 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
3648 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
3649 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
3651 * config/i960/i960.c (i960_va_start): New locals base, num.
3652 Use INDIRECT_REF instead of ARRAY_REF on valist.
3653 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
3655 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
3657 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
3659 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
3661 * tree.def (PLACEHOLDER_EXPR): Update comments.
3663 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3665 * c-common.c (check_format_info): Avoid non-literal format string
3666 warnings when `first_arg_num' is zero.
3668 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3670 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
3672 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3674 * arm.md (casesi_insn): Add a clobber of the condition code
3677 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
3679 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
3680 used by both cc1 and cc1plus.
3682 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
3684 * config/arm/arm.c: Initialise arm_structure_size_boundary to
3685 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
3686 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
3687 to the value 32 if it has not already been defined.
3688 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
3689 Override definition in arm.h with a value of 8.
3691 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
3693 * c-pragma.c (push_alignment): Don't check the return value
3696 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
3698 * sparc.h (ADJUST_COST): Fix thinko.
3700 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
3702 * cccp.c (rescan): Fixed obp pointer handling around call to
3703 check_expand subroutine.
3705 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
3707 * gcse.c (delete_null_pointer_checks): Only record non-null info
3708 for pseudos when examining stores.
3710 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
3711 splitters for these patterns. Use "#" for output templates.
3712 (addsi3_carryin_shift): New pattern.
3714 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
3716 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
3717 of the function return register into a plain REG until
3718 after function inlining is done.
3720 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
3722 * jump.c (jump_optimize_1): If we did cross-jumping, and
3723 the data will matter, rebuild the CFG.
3724 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
3725 not optimizing. Don't run shorten_branches.
3726 * toplev.c (rest_of_compilation): Run shorten_branches after
3729 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
3731 * rtl.h (note_stores): Add additional paramter.
3732 * rtlanal.c (reg_set_p_1): Take additional paramter.
3733 (reg_set_last_1): Likewise.
3734 (reg_set_p): Adjust call to note_stores.
3735 (reg_set_last): Likewise.
3736 (note_stores): Pass data parameter to worker function.
3737 * alias.c (record_set): Take additional parameter.
3738 (init_alias_analysis): Pass it.
3739 * caller-save.c (mark_set_regs): Take additional parameter.
3740 (save_call_clobbered_regs): Pass NULL to note_stores.
3741 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
3743 (record_dead_and_set_regs_1): Likewise.
3744 (reg_dead_at_p_1): Likewise.
3745 (combine_instructions): Adjust calls to note_stores.
3746 (try_combine): Likewise.
3747 (record_dead_insn): Remove.
3748 (record_dead_and_set_regs): Adjust calls to note_stores.
3749 (reg_dead_at_p): Likewise.
3750 * cse.c (invalidate_skipped_set): Take additional parameter.
3751 (cse_check_loop_start): Likewise.
3752 (cse_check_loop_start_value): Remove.
3753 (cse_set_around_loop): Adjust calls to note_stores.
3754 * flow.c (notice_stack_pointer_modification): Take additional
3755 parameter. Remove duplicate declaration.
3756 (record_volatile_insns): Adjust calls to note_stores.
3757 * gcse.c (record_set_info): Take additional parameter.
3758 (record_last_set_info): Likewise.
3759 (invalidate_nonnull_info): Likewise.
3760 (record_set_insn): Remove.
3761 (compute_sets): Adjust calls to note_stores.
3762 (last_set_insn): Remove.
3763 (compute_hash_table): Adjust calls to note_stores.
3764 (insert_insn_end_bb): Likewise.
3765 (delete_null_pointer_checks): Likewise.
3766 * global.c (mark_reg_store): Take additional parameter.
3767 (mark_reg_clobber): Likewise.
3768 (reg_becomes_live): Likewise.
3769 (global_conflicts): Adjust calls to note_stores.
3770 (build_insn_chain): Likewise.
3771 * integrate.c (note_modified_parmregs): Take additional parameter.
3772 (mark_stores): Likewise. Make it static.
3773 (save_for_inline_nocopy): Adjust calls to note_stores.
3774 (try_constants): Likewise.
3775 * integrate.h (mark_stores): Remove declaration.
3776 * jump.c (mark_modified_reg): Take additional parameter.
3777 (thread_jumps): Adjust calls to note_stores.
3778 * local-alloc.c (validate_equiv_mem_from_store): Take additional
3780 (no_equiv): Likewise.
3781 (reg_is_set): Likewise.
3782 (validate_equiv_mem): Adjust calls to note_stores.
3783 (update_equiv_regs): Likewise.
3784 (block_alloc): Likewise.
3785 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
3786 (note_addr_stored): Take additional parameter.
3787 (note_set_pseudo_multiple_uses): Likewise.
3788 (record_initial): Likewise.
3789 (prescan_loop): Adjust calls to note_stores.
3790 (strength_reduce): Likewise.
3791 (check_dbra_loop): Likewise.
3792 * regmove.c (flags_set_1): Take additional paramter.
3793 (mark_flags_life_zones): Adjust calls to note_stores.
3794 * reload1.c (mark_not_eliminable): Take additional parameter.
3795 (forget_old_reloads_1): Likewise.
3796 (reload_cse_invalidate_rtx): Likewise.
3797 (reload_cse_check_clobber): Likewise.
3798 (reload_combine_note_store): Likewise.
3799 (move2add_note_store): Likewise.
3800 (reload): Adjust calls to note_stores.
3801 (reload_as_needed): Likewise.
3802 (emit_reload_insns): Likewise.
3803 (reload_cse_regs_1): Likewise.
3804 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
3805 (reload_combine): Adjust calls to note_stores.
3806 * resource.c (update_live_status): Take additional paramter.
3807 (mark_target_live_regs): Adjust calls to note_stores.
3808 * stupid.c (find_clobbered_regs): Take additional parameter.
3809 (stupid_life_analysis): Adjust calls to note_stores.
3811 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
3813 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
3816 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
3819 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
3820 of the variable arm_structure_size_boundary.
3822 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
3824 * alias.c (init_alias_analysis): Allocate reg_known_value and
3825 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
3827 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
3828 * cse.c (cse_main): Call end_alias_analysis.
3829 * haifa-sched.c (schedule_insns): Likewise.
3830 * local-alloc. (update_equiv_regs): Likewise.
3831 * reload1.c (reload_cse_regs): Likewise.
3833 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3835 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
3836 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
3837 mapping from MASK_FPU.
3839 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
3841 * sparc.md (call): Don't bound structure return size to 0xfff.
3843 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
3845 * resource.c (mark_target_live_regs): Check that the target
3846 insn wasn't created after compute_bb_for_insn.
3848 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
3850 * ggc-page.c (poison_pages): Don't be overzealous.
3852 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
3854 * alias.c: Update comments for ADDRESS.
3855 (nonlocal_reference_p): Look inside the ADDRESS to determine if
3856 it is a local memory reference.
3858 * c-typeck.c (build_function_call): Check that the built-in
3859 function is of class BUILT_IN_NORMAL before trying to recongize
3861 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
3862 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
3864 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
3866 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
3868 (pre_gcse): Likewise.
3869 (hoist_expr_reaches_here_p): Likewise.
3870 (hoist_code): Likewise.
3871 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
3873 (pre_expr_reaches_here_p_work): ... here.
3874 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
3876 (expr_reaches_here_p_work): ... here.
3878 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
3880 * resource.c (find_basic_block): Delete.
3881 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
3882 (init_resource_info): Call compute_bb_for_insn.
3884 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
3886 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
3887 with already adjacent blocks, but no fallthru.
3888 (merge_blocks_move_successor_nojumps): Simplify.
3889 (debug_flow_info): New.
3891 * toplev.c (rest_of_compilation): Open jump1 dump file before
3892 jump and close after, as opposed to just using dump_rtl.
3894 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3896 * reload.h (earlyclobber_operand_p): Declare.
3897 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
3898 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3899 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
3900 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
3902 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
3903 Richard Henderson <rth@cygnus.com>
3905 * emit-rtl.c (emit_block_insn_before): New.
3906 (emit_block_insn_after): New.
3907 * basic-block.h: Declare them.
3909 * bitmap.h: Protect from multiple inclusion.
3911 * recog.c (scratch_operand): Handle VOIDmode correctly.
3913 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
3915 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
3916 * function.c (assign_parms): Likewise.
3917 * global.c (global_conflicts): Clarify STACK_REGS commentary.
3919 * reg-stack.c (max_uid): Remove.
3920 (blocks, block_begin, block_end, block_drops_in): Remove.
3921 (block_stack_in, block_out_reg_set, block_number): Remove.
3922 (struct block_info_def, BLOCK_INFO): New.
3923 (enum emit_where): New.
3924 (current_block): New.
3925 (BLOCK_NUM): Remove.
3926 (mark_regs_pat, record_label_references): Remove.
3927 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
3929 (goto_block_pat, print_blocks, dump_stack_info): Remove.
3930 (reg_to_stack): Simplified test for existance of fp code. Use
3931 flow.c code. Call shorten_branches after cross-jump opt.
3932 (check_asm_stack_operands): Renamed from record_asm_reg_life.
3933 Return false if the asm doesn't use stack regs. Don't do life
3934 analysis on the asm.
3935 (emit_pop_insn): Replace function pointer arg `when' with
3936 enum `where'. Update all callers.
3937 (change_stack): Likewise. Update basic block end.
3938 (emit_swap_insn): Use current_block->head to limit reverse search
3939 for start of block. Use emit_block_insn_after.
3940 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
3941 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
3942 structure assignment instead of bcopy.
3944 (convert_regs_entry, convert_regs_exit): New.
3945 (convert_regs_1, convert_regs_2): Split out from convert_regs.
3946 Work on basic blocks and the CFG.
3947 (convert_regs): Use them.
3949 * i386.c (output_fix_trunc): Remove code for DImode input operand
3950 not at top-of-stack.
3951 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
3953 (fix_truncdi_1): Allow any mode scratch.
3955 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
3957 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
3958 * linux.h, netbsd.h, vms.h: Not here.
3960 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
3962 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
3963 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
3964 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
3965 CONDITIONAL_REGISTER_USEAGE): Use them.
3966 * config/mips/mips.c (mips_move_1word,mips_move_2words,
3967 gen_conditional_branch,override_options) : Use them.
3968 * config/mips/mips.md : Use them.
3970 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
3972 * i386.md (zero_extendqihi2): Use SImode register name with andl.
3974 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
3976 * integrate.c (function_cannot_inline_p): Don't allow inlining
3979 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3981 * c-parse.in (cast_expr): Constify.
3983 * cccp.c (special_symbol): Likewise.
3985 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
3987 * dwarf2out.c (base_type_die): Likewise.
3989 * global.c (allocno_compare): Likewise.
3991 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
3993 * regclass.c (fix_register): Likewise.
3995 * rtl.h (fix_register): Likewise.
3997 * stupid.c (stupid_reg_compare): Likewise.
3999 * toplev.c (decode_f_option): Likewise.
4001 * tree.c (build_complex_type): Likewise.
4003 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
4005 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
4007 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4009 * reload.c (find_reloads): Compute mode and nregs fields of all
4011 * reload1.c (calculate_needs_all_insns): Simplify a bit.
4012 (calculate_needs): Use precomputed mode/nregs values.
4013 (allocate_reload_reg): Likewise.
4015 (failed_reload, set_reload_reg): ... new functions.
4016 (choose_reload_regs_init): New function, mostly broken out from...
4017 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
4018 Also lose one #if 0 block.
4020 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
4022 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
4025 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
4027 * tree.h (BLOCK_TYPE_TAGS): Remove.
4028 (BLOCK_END_NOTE): Likewise.
4029 (BLOCK_LIVE_RANGE_FLAG): Likewise.
4030 (BLOCK_LIVE_RANGE_START): Likewise.
4031 (BLOCK_LIVE_RANGE_END): Likewise.
4032 (tree_block): Remove live_range_flag, live_range_var_flag, and
4033 type_tags. Remove end_note, live_range_start, and live_range_end.
4034 (remember_end_note): Remove prototype.
4035 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
4036 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
4038 * ggc-common.c (ggc_mark_tree_children): Don't mark
4039 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
4040 * integrate.c (adjust_copied_decl_tree): Remove.
4041 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
4042 * stmt.c (last_block_end_note): Remove.
4043 (init_stmt): Don't add a GC root for it.
4044 (expand_fixup): Don't set it.
4045 (remember_end_note): Remove.
4046 (expand_end_bindings): Don't set last_block_end_note.
4048 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4050 * reload1.c (reload_reg_free_for_value_p): Show
4051 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
4054 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
4056 * expmed.c (extract_bit_field): Allow for the case of non-integer
4057 objects that are smaller than a word (like SFmode on a 64-bit
4060 * loop.c (basic_induction_var): A non-integer variable which is
4061 being set by a paradoxical subreg is probably not a biv.
4063 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4065 * prefix.c (translate_name) Check for empty prefix string.
4067 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
4069 * Makefile.in (CPP_CROSS_NAME): New variable.
4070 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
4072 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
4073 names of the files to be uninstalled.
4075 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
4077 * collect2.c (IS_DIR_SEPARATOR): Define.
4078 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
4080 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
4083 * haifa-sched.c (add_dependence): Update the true dependency
4084 cache the first time we add a true dependence to the LOG_LINKS chain.
4086 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
4088 * fold-const.c (fold): Fix comment.
4090 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4092 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
4093 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
4094 dbxout_start_new_source_file, dbxout_source_file,
4095 dbxout_source_line, dbxout_finish, dbxout_type_fields,
4096 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
4098 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
4099 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
4100 (dbxout_block): Initialize variable `blocknum'.
4102 * dbxout.h (dbxout_init, dbxout_finish,
4103 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
4104 dbxout_args, dbxout_source_line): Constify a char*.
4106 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
4107 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
4108 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
4109 low_pc_attribute, high_pc_attribute, body_begin_attribute,
4110 body_end_attribute, comp_dir_attribute, sf_names_attribute,
4111 src_info_attribute, mac_info_attribute, producer_attribute,
4112 lookup_filename, generate_macinfo_entry, fundamental_type_code,
4113 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
4114 dwarfout_undef): Constify a char*.
4115 (add_incomplete_type, retry_incomplete_types): Add prototypes.
4117 * dwarfout.h (dwarfout_define, dwarfout_undef,
4118 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
4120 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
4122 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
4123 (MULTILIB_ISA_DEFAULT): New.
4124 (MULTILIB_DEFAULTS): Use it.
4125 * config/mips/mips.c (): Remove the now unnecessary definition
4126 of MIPS_ISA_DEFAULT.
4127 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
4128 unnecessary definition.
4130 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
4132 * arm.md (pic_load_addr): Add constraints to operand 1.
4134 1999-10-25 Bruce Korb <autogen@linuxbox.com>
4136 * fixinc/genfixes: Provide a means for specifying -D options to
4139 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
4141 * arm.c (arm_override_options): Correct initialization of
4142 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
4143 arm_is_strong, and arm_is_6_or_7.
4145 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
4146 (note_set_pseudo_multiple_uses): New function.
4147 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
4148 if a pseudo set in the loop exit is used elsewhere.
4150 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
4152 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
4154 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
4156 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
4157 a single load-address pattern.
4159 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
4161 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
4162 depending on whether or not line-number notes are present.
4164 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4166 * cccp.c (progname, file_buf, default_include, include_file,
4167 macrodef, definition, hashval, wchar_type, user_label_prefix,
4168 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
4169 expand_to_temp_buffer, is_system_include, base_name,
4170 absolute_filename, read_name_map, open_include_file,
4171 record_control_macro, check_precompiled, check_preconditions,
4172 pcfinclude, pass_thru_directive, create_definition,
4173 check_macro_name, comp_def_part, collect_expansion,
4174 check_assertion, read_token_list, assertion_install,
4175 assertion_lookup, eval_if_expression, conditional_skip,
4176 validate_else, skip_quoted_string, quote_string, macarg1,
4177 error_from_errno, install, lookup, hashf, dump_defn_1,
4178 perror_with_name, pfatal_with_name, main, trigraph_pcp,
4179 check_white_space, rescan, handle_directive, monthnames,
4180 special_symbol, do_include, remap_include_file, write_output,
4181 arglist, do_assert, do_unassert, do_line, do_error, do_once,
4182 do_ident, do_sccs, do_xifdef, skip_if_group,
4183 output_line_directive, macroexpand, macarg, change_newlines,
4184 initialize_builtins, make_definition): Constify a char*.
4186 * pcp.h (stringdef): Likewise.
4188 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
4190 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
4193 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
4194 Richard Henderson <rth@cygnus.com>
4196 * alias.c: Include ggc.h.
4197 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
4198 (record_set): Verify enough room in reg_base_value.
4199 (init_alias_analysis): Allocate reg_base_value with xcalloc.
4200 Register it as a GC root.
4201 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
4202 * Makefile.in (alias.o): Depend on ggc.h.
4204 * unroll.c (unroll_loop): Verify the insn before a barrier
4205 is a JUMP_INSN before checking JUMP_LABEL.
4207 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4209 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
4210 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
4211 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
4212 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
4213 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
4214 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
4216 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4218 * output.h (ctors_section, dtors_section, bss_section): Prototype.
4220 * alpha/alpha-interix.h (text_section): Delete prototype.
4221 * alpha/elf.h (text_section): Likewise.
4222 * arm/linux-elf.h (text_section): Likewise.
4223 * arm/linux-telf.h (text_section): Likewise.
4224 * c4x/c4x.h (text_section): Likewise.
4225 * dsp16xx/dsp16xx.h (bss_section): Likewise.
4226 * elfos.h (text_section): Likewise.
4227 * i386/aix386ng.h (text_section): Likewise.
4228 * i386/i386-interix.h (text_section): Likewise.
4229 * i386/sco5.h (text_section): Likewise.
4230 * i386/svr3gas.h (text_section): Likewise.
4231 * nextstep.h (text_section): Likewise.
4232 * psos.h (text_section): Likewise.
4233 * ptx4.h (text_section): Likewise.
4234 * svr3.h (text_section): Likewise.
4235 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
4237 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4239 * final.c (peephole): Delete prototype.
4241 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
4242 (pre_insert_copies): Remove unused variable `bb'.
4244 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
4247 * output.h (peephole): Add prototype.
4249 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
4251 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
4254 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
4256 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
4257 for inlined declarations.
4259 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
4261 * arm.c (logical_binary_operator): New fucntion.
4262 * arm.h (logical_binary_operator): Declare it.
4263 (PREDICATE_CODES): Handle logical_binary_operator.
4264 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
4265 output constraints. Add appropriate splitters.
4266 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
4267 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
4268 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
4270 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4272 * genoutput.c (struct operand_data): New elt eliminable.
4273 (output_operand_data): Write it.
4274 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
4275 (compare_operands): Take it into account.
4276 * recog.h (struct insn_operand_data): New elt eliminable.
4277 * reload1.c (check_eliminable_occurrences, elimination_effects): New
4279 (old_asm_operands_vec, new_asm_operands_vec): Delete.
4280 (eliminate_regs): Move code that detects changes to elimination
4281 target regs into new function elimination_effects.
4282 Delete one #if 0 block.
4283 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
4284 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
4285 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
4286 Only call eliminate_regs for real operands of the insn, not for parts
4287 of its structure or parts matched by things like match_operator.
4288 Use elimination_effects and check_eliminable_occurrences. Use
4289 copy_insn to duplicate the pattern when not in the final pass.
4291 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
4293 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
4296 1999-10-22 Bruce Korb <autogen@linuxbox.com>
4298 * fixinc/README: document the "mach" machine matching test
4299 * fixinc/fixfixes.c: Implement the #else/#endif label fix
4300 * fixinc/fixtests.c: Implement the #else/#endif label test
4301 * fixinc/inclhack.def: utilize these tests and fixes
4302 * fixinc/inclhack.sh: regen
4303 * fixinc/fixincl.x: regen
4304 * fixinc/fixincl.sh: regen
4306 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
4308 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
4311 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
4313 * gcc.1: Document exit codes.
4315 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4317 * calls.c: Include tm_p.h later, so everything we need is defined.
4319 * function.c: Likewise.
4321 * except.c: Include tm_p.h.
4323 * sparc.c: Likewise.
4324 (dwarf2out_cfi_label): Don't prototype.
4325 (check_return_regs, epilogue_renumber,
4326 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4327 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
4328 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
4329 ultra_schedule_insn): Add static prototype.
4330 (data_segment_operand, text_segment_operand): Call itself with the
4331 proper number of arguments.
4332 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
4334 * sparc.h: Move all declarations to sparc-protos.h.
4335 (SELECT_RTX_SECTION): Pass a missing MODE argument to
4338 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
4340 * config/svr4.h (text_section, ctors_section, dtors_section): Add
4342 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
4343 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4344 ASM_OUTPUT_ASCII): Constify a char*.
4346 * sparc-protos.h: New file for sparc prototypes.
4348 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4350 * function.c (record_insns, contains): Always declare and define.
4351 (record_insns): Mark with ATTRIBUTE_UNUSED.
4353 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4355 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
4356 to .section when outputting a .bss section to deal with multiple
4357 .bss input sections (as happens with -fdata-sections)
4358 Also output %progbits, not @progbits so the assembler doesn't treat as
4360 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
4362 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
4363 thumb parts even when building with non-thumb CPUs, by forcing
4366 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
4368 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
4369 (movdf_const_intreg_sp64): Similarly.
4371 * local-alloc.c (update_equiv_regs): Check the correct insn
4372 for pre-existing REG_EQUIV notes.
4374 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
4376 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
4377 block reached by a branch if we're not going to actually process
4380 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
4382 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
4383 a local extern function declaration.
4385 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
4387 * i386.c (ix86_expand_prologue): Properly wrap USE around
4388 reg for CALL_INSN_FUNCTION_USAGE.
4390 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
4392 * config/mips/mips.md (movdf_internal1a): Allow floating-point
4393 move between GP_REGs.
4395 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
4397 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
4398 the mode size when finding out if an offset is legal.
4400 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
4402 * basic-block.h (PROP_*): Move constants from ...
4404 (compute_bb_for_insn): Free the array before reallocating.
4405 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
4406 (allocate_reg_life_data): Reset all reg variables collected by
4408 (get_block_head_tail): Don't convert from bb to block.
4409 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
4410 (find_insn_reg_weight): Take block not bb.
4411 (schedule_block): Don't set block num for moved insns.
4412 (schedule_region): Don't update_life_info or find_insn_reg_weight.
4413 (schedule_insns): Do it here instead.
4414 * combine.c (combine_instructions): Invoke compute_bb_for_insn
4415 before update_life_info.
4416 * recog.c (split_all_insns, peephole2_optimize): Update for
4417 new arg to update_life_info.
4418 * rtlanal.c (remove_note): Cope with NULL note.
4419 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
4422 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
4424 * jump.c (jump_optimize_1): More accurately detect casesi insns.
4426 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
4427 block records so that merge_blocks_nomove will clean up correctly.
4428 (split_edge): Handle casesi insns.
4430 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
4432 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
4434 * pa.md (call, call_value): Do not emit a blockage after restoring
4437 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
4439 * c-typeck.c (c_expand_asm_operands): Fix typo.
4441 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4443 * arm.c (fpu_rhs_operand): Verify modes.
4444 (fpu_add_operand): Likewise.
4445 (di_operand): Likewise.
4446 (soft_df_operand): Likewise.
4448 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
4450 * arm.c (arm_return_in_memory): APCS rules state that the elements
4451 of a structure returned in a register must be 'integer-like'.
4453 1999-10-19 Bruce Korb <autogen@linuxbox.com>
4455 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
4456 in the source tree when the generated targets are out of date
4457 * fixinc/genfixes: Alter it to run individual fixes for make.
4458 * fixinc/README: rewrite
4459 * fixinc/inclhack.def: moved initial comments to README
4461 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
4463 * toplev.c (main): Do not generate an error message if an
4464 unrecognised command line switch is recognisable by another
4465 language. If extra_warnings are enabled, then generate a
4466 warning message instead.
4468 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
4470 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
4471 (insert_pack_attributes): Delete prototype.
4473 * c-pragma.c (default_alignment): New static variable.
4474 (push_alignment): Initialize to current effective alignment.
4475 (pop_alignment): Use to set new alignment.
4476 (insert_pack_attributes): Delete function.
4477 (handle_pragma_token): Set default_alignment as well each time
4478 a #pragma pack(<n>) is encountered.
4480 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
4482 * reg-stack.c (stack_result): Aggregates are not returned in
4485 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
4487 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
4489 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
4491 * basic-block.h (set_block_num): Declare.
4492 * flow.c (update_life_info): Don't call compute_bb_for_insn
4493 or free_basic_block_vars.
4494 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
4495 (insn_orig_block): Remove.
4496 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
4497 (schedule_block): Keep BLOCK_NUM up-to-date.
4498 (schedule_insns): Use compute_bb_for_insn.
4499 * recog.c (split_all_insns): Likewise.
4500 (peephole2_optimize): Likewise.
4502 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
4504 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
4505 if the pic register is used.
4507 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4509 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
4510 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
4511 if that tests TREE_PERMANENT.
4513 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
4515 * cse.c (invalidate_for_call): Do not remove memory references from
4516 the table here. It's handled elsewhere.
4518 * haifa-sched.c (add_dependence): Protect references to the
4519 true dependency cache with #ifdef INSN_SCHEDULING.
4520 (remove_dependence): Similarly.
4522 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
4523 to the cfg code that this is a return instruction.
4524 * mn10300.md (return_internal): Similarly.
4526 * combine.c (get_last_value): If the last set of a register
4527 is after subst_low_cuid, then we can not use it to determine
4528 the register's last value.
4530 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4532 * Makefile.in: Back out previous change.
4534 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
4536 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
4538 * haifa-sched.c (add_dependence): Only check/update the cache
4540 (remove_dependence): Likewise.
4541 (schedule_insns): Only create the true_dependency_cache if the
4542 average number of instructions in a basic block is very large.
4544 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4546 * Makefile.in (ggc-common.o): Depend on genrtl.h.
4547 (ggc-simple.o): Likewise.
4548 (ggc-page.o): Likewise.
4550 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
4552 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
4553 Prototype for exported functions.
4554 (pre_lcm, pre_rev_lcm): Remove prototypes.
4555 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
4556 (compute_available): Move to lcm.c, and change parameter order.
4557 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
4558 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
4559 (gcse_main): No longer call compute_preds_succs. Rebuild the
4560 set table after reach pre pass.
4561 (pre_insert_map, pre_delete_map, edge_list): New.
4562 (alloc_pre_mem): Allocate edge vectors.
4563 (free_pre_mem): Delete edge vectors.
4564 (compute_pre_data): Call new edge based lcm routines.
4565 (process_insert_insn): New function.
4566 (insert_insn_end_bb): Use it.
4567 (pre_edge_insert): New function.
4568 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
4570 (pre_insert_copies): Revamp using new edge based lcm outputs.
4571 (pre_delete): Likewise.
4572 (one_pre_gcse_pass): Insert & remove fake edges to the exit
4574 (compute_code_hoist_vbeinout): New new edge based routines.
4575 * lcm.c: Remove all the old LCM functions. Replace with new ones
4576 that work with the new cfg datastructures and work with edges
4579 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4581 * reload.h (struct reload): Add new fields "mode" and "nregs".
4582 * reload1.c: Change all occurrences of reload_mode and reload_nregs
4583 to reference the "mode" and "nregs" field within struct reload.
4585 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
4587 * haifa-sched.c (true_dependency_cache): New.
4588 (add_dependence): Use the true dependency cache to avoid expensive
4589 walks down the LOG_LINKS dependency list. Add entries to the
4591 (remove_dependence): Remove entries from the true dependency cache
4593 (schedule_insns): Allocate and initialize and free the true
4596 * haifa-sched.c (schedule_insns): Do not remove inter-block
4597 dependencies anymore.
4599 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
4601 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
4602 * i386/t-winnt: Likewise.
4604 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
4606 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
4608 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
4610 * Makefile.in (LANGUAGES): Omit "proto".
4611 (clean): Remove stale comment about removing unprotoize.c.
4613 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4615 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
4616 using arithmetic on void pointers.
4618 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
4620 * haifa-sched.c (compute_block_forward_dependencies): Only check
4621 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
4623 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
4625 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
4626 (expr_equiv_p): Reject memories with different alias sets.
4628 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
4630 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
4631 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
4632 (f_options): Add "bounded-pointers" and "bounds-check" entries.
4633 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
4634 (lang_init): Set default for flag_bounds_check if still "unspecified".
4636 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4638 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
4640 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4642 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
4645 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4647 * config/c4x/c4x.md (*db_noclobber,
4648 *decrement_and_branch_until_zero_noclobber): New patterns and
4649 associated splitters.
4651 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4653 * config/c4x/c4x.md (parallel instruction patterns): Rework
4654 constraints to keep reload happy.
4656 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4658 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
4659 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
4660 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
4661 Add new patterns and associated post-reload splitters.
4663 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4665 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
4667 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4669 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
4671 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
4673 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4675 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
4678 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
4680 * pa.c (move_operand): Rely on memory_address_p to determine the
4681 validity of non-indexed memory addresses.
4682 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
4683 operand in DFmode and SFmode when generating PA2.0 code.
4685 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
4687 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
4689 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
4691 * mips.c (function_prologue): Fix argument types.
4692 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
4693 (casesi_internal): Write to the scratch register.
4695 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
4697 * cppexp.c (cpp_parse_escape): Make static. Change second arg
4699 (parse_charconst): Delete unnecessary cast when calling
4701 (cpplib.h): Kill prototype of cpp_parse_escape.
4703 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
4705 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
4706 * unroll.c (unroll_loop): Cast return value of alloca.
4707 * i370/i370.c: Include function.h and toplev.h.
4708 (i370_label_scan): Remove c++ commented abort.
4709 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
4710 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
4711 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
4712 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
4714 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
4716 * config/t-freebsd: Do not override USER_H.
4717 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
4719 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
4720 Mumit Khan <khan@xraylith.wisc.edu>
4722 * c-parse.in (component_decl): Support anonymous struct/union.
4724 * c-parse.y: Regenerate.
4725 * c-parse.c: Likewise.
4726 * objc/objc-parse.y: Likewise.
4727 * objc/objc-parse.c: Likewise.
4728 * c-decl.c (finish_struct): Don't sort the fields.
4729 (field_decl_cmp): Delete unused function.
4731 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
4733 * sparc.md (movsf_const_intreg): Revert last constraint change.
4734 (movdf_const_intreg_sp32): Likewise.
4736 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
4738 * cse.c: Include hashtab.h instead of splay-tree.h
4739 (struct cse_reg_info): No longer use variant union. Add new
4740 field "regno". All references changed to avoid union.
4741 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
4742 (free_cse_reg_info): Remove.
4743 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
4744 (get_cse_reg_info): Revamp to use expandable hash tables instead
4745 of splay trees. Initialize new fields in cse_reg_info structure.
4746 (new_basic_block): Similarly.
4748 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
4750 * genrecog.c (message_with_line): Prototype.
4751 (validate_pattern): Pass along the set for the dest, not a flag.
4752 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
4753 Check for PC/CC0 as sources.
4754 (nodes_identical): Check for children position match before
4755 allowing the combination.
4757 * rtl.c (read_rtx): Track line number across \\\n.
4759 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
4761 * mips.h (SPECIAL_MODE_PREDICATES): New.
4762 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
4763 (movdi+1, movsi+1): Add output reload constraint.
4764 (casesi_internal): Likewise. Fix commentary.
4765 (return_internal): Use pmode_register_operand.
4767 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
4769 * 1750a.md (movstrqi): Add missing output reload constraint.
4770 (call_value): Likewise.
4771 * a29k.md (cpxxx patterns): Add missing match_operator mode.
4772 (jmpfdec): Add missing inout reload constraint.
4773 * elxsi.md (addsi patterns): Add missing output reload constraint.
4774 (move from sp): Use @ alternates.
4775 (call_value): No constraint on output.
4776 * fr30.md (movsi_pop): Add missing output reload constraint.
4777 (movsf_constant_store): Likewise.
4778 (splits): Remove constraints.
4779 (subsi3): Add missing mode.
4780 * i370.md (cmpstrsi+1): Add missing output reload constraint.
4781 (call_value): Likewise.
4782 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
4783 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
4784 * m32r.md (movsicc_internal): Add output reload constraint.
4785 (movstrsi_internal): Add inout reload constraints.
4786 * m88k.h (reg_names): Don't declare.
4787 (SPECIAL_MODE_PREDICATES): New.
4788 * m88k.md (*): Use register_operand not reg_or_0_operand
4790 * mn10200.h (PREDICATE_CODES): New.
4791 * ns32k.md (ffs pattern): Add output reload constraint.
4792 * pdp11.md (sob pattern): Add inout reload constraint.
4793 * sh.md (splits): Remove constraints.
4794 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
4795 * v850.md (pattern_is_ok_for_epilogue): Likewise.
4796 * vax.md (jgequ pattern): Add inout reload constraint.
4798 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
4800 * configure.in (djgpp): Revert previous patch.
4801 * configure: Rebuit.
4802 * config/i386/djgpp.h: Revert previous patch.
4804 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
4806 * fixinc/inclhack.def: Restore patch lost during last merge of
4807 "no_bogosity" branch.
4808 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
4810 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
4812 * fixincludes: Add a HPUX 11 fix for inttypes.h.
4813 * fixinc/inclhack.def: Same.
4814 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
4816 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
4818 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
4819 as the base of a PLUS.
4821 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4823 * config/c4x/c4x.md: Define mode for remaining unspec operators.
4824 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
4826 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
4828 * pa.md (post_stw+1): Use pmode_register_operand.
4829 (dcacheflush, icacheflush): Likewise.
4831 * i386.md (movstricthi_1): Allow r/r.
4833 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
4835 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
4836 to (not (and (arg0) (arg1))). Similary for and.
4838 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
4839 fallthrough to associate code.
4840 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
4843 * combine.c (simplify_logical): Convert XOR to IOR if operands have
4844 no bits in common; remove XOR to ROTATE conversion.
4846 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4848 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
4850 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4852 * config/c4x/c4x.c (dst_operand): New.
4853 (PREDICATE_CODES): Update.
4854 * config/c4x/c4x.h (dst_operand): Declare it.
4855 * config/c4x/c4x.md: Define mode for each unspec usage.
4856 (move patterns): Use dst_operand predicate instead of src_operand.
4857 (movqi_update, movqf_update): Delete.
4859 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
4861 * recog.c (pmode_register_operand): New.
4862 * recog.h: Declare it.
4863 * genrecog.c (pred_codes): Likewise.
4864 (special_mode_pred_table): Likewise.
4865 (validate_pattern): Don't warn no mode for address_operand.
4867 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
4868 if the operand is not insn-like.
4870 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
4871 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
4873 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
4875 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
4877 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
4878 instead of general_operand in a SET_DEST. Use const_double_operand
4879 instead of an explicit test against CONST_DOUBLE.
4880 (movsf_const_lo): Add missing register mode.
4881 (goto_handler_and_restore): Add auxiliary test for Pmode.
4882 (flush): Adjust to use address_operand.
4883 (return_sf_no_fpu): Add missing output constraint.
4885 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
4887 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
4888 for call return value.
4889 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
4891 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
4893 * toplev.c (main): Only warn about options for other languages.
4894 * collect2.c (main): Pass -w to sub-gcc.
4896 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
4898 * flow.c (propagate_block): Add call-clobbered registers to
4901 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
4902 zapping mem_set_list.
4903 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
4904 (mark_set_1, mark_used_regs): Likewise.
4906 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
4908 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
4910 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4912 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
4913 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
4914 options. Also add a new item "C-only Warning Options" to the
4917 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
4919 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
4920 from multiple calls.
4922 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
4924 * i386.md (call value patterns): Move to the end of the file.
4925 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
4927 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
4929 * configure.in (djgpp configuration): Define extra_objects..
4930 * configure: Rebuilt.
4931 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
4932 (DTORS_SECTION_ASM_OP): Define.
4933 (INIT_SECTION_ASM_OP): Define.
4934 (FINI_SECTION_ASM_OP): Define.
4935 (DATA_SECTION_ASM_OP): Define.
4936 (TEXT_SECTION_ASM_OP): Define.
4937 (EH_FRAME_SECTION_ASM_OP): Define.
4938 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
4939 (STARTFILE_SPEC): Add crtbegin.o.
4940 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
4941 to here from LINK_COMMAND_SPEC.
4942 (DO_GLOBAL_CTORS_BODY): Define.
4943 (CRTSTUFF_USE_FINI_SECTION): Define
4944 (HAS_INIT_SECTION): Delete.
4946 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
4948 * Makefile.in (all.cross): Depend on xcpp$(exeext).
4950 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
4952 * pa.h (PREDICATE_CODES): New.
4954 * genrecog.c (validate_pattern): Condense the destination
4957 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
4959 * alpha.md (call-1): Supply missing mode for operator.
4960 (*): Add missing output reload constraints. Remove constraints
4963 * i386.h (SPECIAL_MODE_PREDICATES): New.
4964 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
4965 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
4966 (addsi_lea_3): Add missing mode for op 3.
4967 (prologue_set_got, prologue_get_pc): Add missing modes.
4968 (*) Add missing output reload constraints.
4970 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
4972 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
4973 check for member bit-size overflow and use var_size if it occurs.
4974 (layout_record): Use bitsize_int() to define the type size in bits.
4975 Likewise for computation and assignment to DECL_FIELD_BITPOS.
4976 (layout_decl): Likewise when assigning to DECL_SIZE.
4978 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
4980 * genrecog.c (validate_pattern): Typo last change. Verify
4981 that output operands have output reloads.
4983 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
4985 * genrecog.c (special_mode_pred_table): New.
4986 (NUM_SPECIAL_MODE_PREDS): New.
4987 (find_operand): New.
4988 (validate_pattern): New argument `insn'. Warn for assignment to
4989 any predicate accepting non-lvalues. Conditionaly warn for
4990 match_operand without a mode. Try much harder to match source
4991 and destination modes on a set.
4992 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
4994 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
4996 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
4998 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
5000 * combine.c (simplify_logical): Recognize xor pattern that encodes
5003 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5005 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
5008 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
5010 * ggc-page.c (MAP_FAILED): Provide default.
5012 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
5014 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
5015 * sparc.h (PREDICATE_CODES): Update.
5017 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
5019 * alpha.c (some_ni_operand): New.
5020 * alpha-protos.h: Declare it.
5021 * alpha.h (PREDICATE_CODES): Update.
5022 * alpha.md (sXaddq reload insns): Use some_ni_operand
5023 for SET_DEST instead of some_operand.
5025 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
5026 Jim Wilson <wilson@cygnus.com>
5028 * genrecog.c (maybe_both_true_2): Don't compare modes of
5030 (process_tree): Elide peephole2_insns. Invoke simplify_tests
5031 after find_afterward.
5032 (debug_decision_1): Dump next and afterward codes.
5034 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
5036 * rtl.c (dump_and_abort): Remove.
5037 (fatal_with_file_and_line): New.
5038 (fatal_expected_char): New.
5039 (read_rtx_lineno, read_rtx_filename): New.
5040 (read_skip_spaces): Track line number.
5041 (read_name): Use fatal_with_file_and_line.
5042 (read_rtx): Use fatal_expected_char. Track line number.
5043 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
5045 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
5046 if it isn't a CODE_LABEL.
5048 * genattr.c (main): Set read_rtx_filename.
5049 * genattrtab.c (main): Likewise.
5050 * gencodes.c (main): Likewise.
5051 * genconfig.c (main): Likewise.
5052 * genemit.c (main): Likewise.
5053 * genextract.c (main): Likewise.
5054 * genflags.c (main): Likewise.
5055 * genopinit.c (main): Likewise.
5056 * genoutput.c (main): Likewise.
5057 * genpeep.c (main): Likewise.
5059 * genrecog.c (decision_test.u.insn): Add `lineno'.
5060 (pattern_lineno, error_count): New variables.
5061 (message_with_line): New.
5062 (add_to_sequence): Break out checking code to ...
5063 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
5064 (merge_insn): Use message_with_line.
5065 (make_insn_sequence): Use validate_pattern. Record insn lineno.
5066 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
5068 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5070 * expr.c (store_constructor): Clear union if constructor is empty.
5072 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
5074 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
5075 Add !endian checks. Change %{...} to %(...).
5077 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
5079 * i386.md (*addsi3_cc): Renamed from addcsi3.
5080 (*addsi3_carry): Renamed from addxsi3.
5081 (*subsi3_cc): Renamed from subcsi3.
5082 (*subsi3_carry): Renamed from subxsi3.
5083 (*xorqi_cc_1): Renamed from xorcqi_1.
5084 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
5085 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
5087 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
5089 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
5090 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
5092 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
5094 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
5095 climb up the chain of insns.
5097 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
5099 * genrecog.c (write_subroutine): Careful for null trees.
5100 (process_tree): Don't elide empty functions.
5102 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
5104 * Makefile.in (genrtl.o): Depend on ggc.h.
5105 * configure.in (valloc): Probe for it.
5106 (with-gc): Use ggc-page if valloc present.
5107 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
5108 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
5109 (ggc_alloc_string): Moved from ggc-page.c.
5110 * ggc-none.c (ggc_alloc_obj): New.
5111 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
5112 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
5113 (struct globals): Likewise for dev_zero_fd.
5114 (init_ggc): Likewise for it's initialization.
5115 (ggc_allocated_p): Move careful dereference from ...
5116 (ggc_lookup_page_table): ... here. Delete.
5117 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
5118 (alloc_anon): Use valloc if no mmap.
5119 (release_pages): Use free if using valloc.
5120 (ggc_alloc_obj): Renamed from alloc_obj.
5121 (ggc_set_mark): Renamed from mark_obj.
5122 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
5123 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
5124 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
5125 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
5126 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
5127 (ggc_collect): Use fp printing instead of our own rounding.
5128 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
5129 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
5130 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
5131 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
5132 (struct ggc_string, struct ggc_any): Delete.
5133 (offsetof): Provide default definition.
5134 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
5136 (struct ggc_mem): New, from corpse of ggc_any.
5137 (struct ggc_status): Delete.
5138 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
5139 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
5140 (n_strings_collected, n_anys_collected): Delete.
5141 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
5142 (ggc_alloc_string, ggc_alloc): Delete.
5143 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
5144 (ggc_free_string, ggc_free_any): Delete.
5145 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
5146 (ggc_compare_addresses, ggc_mark_string): Delete.
5147 (ggc_mark_string_if_gcable, ggc_mark): Delete.
5148 (search_data): Delete.
5149 (struct globals): New.
5150 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
5151 (tree_insert, tree_lookup): New.
5152 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
5153 (clear_marks, sweep_objs): New.
5154 (ggc_collect): Gut. Use clear_marks, sweep_objs.
5155 (init_ggc): Set allocated_last_gc.
5156 (ggc_push_context): Gut. Use G.context.
5157 (ggc_pop_context): Likewise.
5158 (ggc_pop_context_1): New.
5159 (debug_ggc_tree): New.
5160 (debug_ggc_balance, tally_leaves): New.
5161 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
5162 (ggc_mark_string_if_gcable): Remove decl.
5163 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
5164 (ggc_mark_rtvec_children): New.
5165 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
5166 (ggc_mark_if_gcable): New decl.
5167 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
5168 (ggc_alloc_tree, ggc_alloc): Likewise.
5169 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
5170 (ggc_alloc_obj): New decl.
5171 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
5172 (ggc_alloc_tree, ggc_alloc): Likewise.
5173 (ggc_set_mark): New decl.
5174 * rtl.h (struct rtx_def): Remove gc_mark.
5175 (struct rtvec_def): Likewise.
5176 * tree.h (struct tree_common): Likewise.
5178 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
5180 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
5181 float_format and thread_file definitions.
5182 * configure: Rebuilt.
5184 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
5186 * extend.texi (Function Names): Document types of function names.
5188 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5190 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
5191 an earlyclobbered output conflict with RELOAD_INPUT reloads.
5193 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5195 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
5197 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5199 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
5201 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
5203 * collect2.c (main): Do prelimnary link on AIX if rflag.
5205 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5207 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
5208 __CTOR_LIST__ in opposite order, which is the correct order for sorted
5210 (__do_global_dtors): similarly for __DTOR_LIST__.
5212 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5213 Diego Novillo <dnovillo@cygnus.com>
5215 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
5218 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
5220 * fixincl/*: Merged "no_bogosity" branch
5221 * fixincl/fixlib.h: protect against doubly defining t_bool
5222 * fixincl/server.h: protect against doubly defining t_bool
5224 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
5226 * genoutput.c: Include toplev.h.
5228 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
5230 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5232 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
5233 * configure: Regenerate.
5235 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
5237 * gcse.c (delete_null_pointer_checks): Returns void.
5239 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5241 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
5242 * emit-rtl.c (copy_insn_1): Likewise.
5244 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5246 * config/mips/mips.c (mips_build_va_list): Correct
5247 TREE_CHAIN setting when hard-float.
5248 (mips_va_start): Use corrected setting.
5249 (mips_va_arg): Likewise. Also pass a tree to build of
5250 POSTINCREMENT_EXPR rather than a naked 'int'.
5252 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
5254 * ggc.h (ggc_push_context): Fix comment.
5255 (ggc_pop_context): Likewise.
5256 (mark_string_if_gcable): Likewise.
5257 * ggc-common.c (ggc_mark_rtx_children): Use
5258 ggc_mark_string_if_gcable.
5259 * ggc-page.c (ggc_lookup_page_table): New function.
5260 (ggc_allocated_p): Likewise.
5261 (mark_obj): Fix formatting.
5262 (ggc_mark_string_if_gcable): New function.
5263 * ggc-simple.c (ggc_allocated_strings): New variable.
5264 (ggc_strings_used): Likewise.
5265 (ggc_compare_addresses): New function.
5266 (ggc_pop_context): Pop the `any' memory too.
5267 (ggc_mark_string_if_gcable): New function.
5268 (ggc_collect): Initialize and tear down ggc_allocated_strings.
5270 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
5272 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
5273 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
5274 * rs6000.c (expand_block_move): Match movstrsi_?reg register
5277 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
5279 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
5280 (sched_reg_live_length, sched_reg_basic_block): Delete.
5281 (current_block_num, bb_live_regs, old_live_regs): Delete.
5282 (dead_notes, struct sometimes): Delete.
5283 (sched_note_set, birthing_insn_p): Delete.
5284 (adjust_priority): Gut useless reg lifetime code.
5285 (create_reg_dead_note, attach_deaths): Delete.
5286 (attach_deaths_insn, new_sometimes_live): Delete.
5287 (finish_sometimes_live): Delete.
5288 (find_pre_sched_live, find_post_sched_live): Delete.
5289 (update_reg_usage): Delete.
5290 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
5291 (schedule_insns): Delete reg lifetime code.
5292 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
5293 (unlink_other_notes): Adjust REG_NOTE commentary.
5294 (reemit_notes): Use REG_SAVE_NOTE.
5295 (schedule_block): Likewise.
5296 (schedule_region): Allocate bitmap of blocks in region. Use
5297 count_or_remove_death_notes. Use update_life_info.
5299 * rtl.h (REG_SAVE_NOTE): New.
5300 * rtl.c (reg_note_name): Update.
5302 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
5304 * combine.c (refresh_blocks, need_refresh): New.
5305 (combine_instructions): Allocate refresh_blocks. Invoke
5306 update_life_info if needed.
5307 (distribute_notes): Mark refresh_blocks instead of installing
5309 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
5310 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
5312 * Makefile.in (recog.o): Depend on basic-block.h.
5314 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
5316 * genrecog.c (add_to_sequence): Thinko last change: delete
5317 shadowing allow_const_int variable.
5319 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5321 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
5322 __GNUC__ and __GNUC_MINOR__.
5324 * gansidecl.h: Likewise.
5330 * toplev.h: Likewise.
5336 * varray.c: Likewise.
5338 * varray.h: Likewise.
5340 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5342 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
5343 use one before a jump table.
5345 * rtl.def (ADDRESS): Change documentation to match reality.
5346 * md.texi: Don't document it.
5347 * gmicro.md (load address pattern): Use 'p' constraint, delete use
5350 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
5352 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
5354 * genrecog.c (add_to_sequence): Move allow_const_int test outside
5355 known predicate block; default allow_const_int true.
5356 (debug_decision_list): New.
5358 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
5360 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
5362 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
5364 * gcse.c (gcse_main): Avoid global optimizations if we have a
5365 large number of basic blocks and the ratio of edges to blocks
5367 (delete_null_pointer_checks): Likewise.
5369 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
5371 * c-common.c (check_format_info): Warn if format string isn't a
5374 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5376 * configure.in (arm*-*-*): Don't let autoconf remove brackets
5377 * configure: regenerate
5379 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
5381 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
5382 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
5383 (peepholes): Re-enable.
5385 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
5387 * Makefile.in (flow.o): Depend on TREE_H.
5388 * basic-block.h (REG_SET_EQUAL_P): New.
5391 (free_regset_vector): Remove declaration.
5392 (flow_delete_insn_chain): Declare.
5393 (enum update_life_extent): New.
5394 (update_life_info, count_or_remove_death_notes): Declare.
5395 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
5396 Verify register live at bb->global_live_at_start before adding USE.
5397 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
5398 (CLEAN_ALLOCA): New.
5400 (PROP_*): New flags.
5401 (find_basic_blocks_1): Use alloc_EXPR_LIST.
5402 (clear_edges): Zero n_edges.
5403 (make_edge): Increment n_edges.
5404 (split_edge): Don't allocate bb->local_set. Increment n_edges.
5405 (flow_delete_insn_chain): Export.
5406 (delete_block): Decrement n_edges.
5407 (merge_blocks_nomove): Likewise.
5408 (life_analysis): Give life_analysis_1 PROP flags.
5409 (verify_wide_reg_1, verify_wide_reg): New.
5410 (verify_local_live_at_start): New.
5411 (update_life_info): Rewrite to call into propogate_block.
5413 (mark_regs_live_at_end): After reload, if epilogue as rtl,
5414 always mark stack pointer. Conditionally mark PIC register.
5415 After reload, mark call-saved registers, return regsiters.
5416 (life_analysis_1): Accept PROP flags not remove_dead_code.
5417 Call mark_regs_live_at_end before zeroing regs_ever_live.
5418 Use calculate_global_regs_live. Copy global_live_at_end before
5419 calling final propagate_block. Zero reg_next_use on exit.
5420 (calculate_global_regs_live): New.
5421 (allocate_bb_life_data): Don't allocate bb->local_set.
5422 (init_regset_vector, free_regset_vector): Remove.
5423 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
5424 Test flags before every operation. Warn if prologue/epilogue insn
5425 would have been deleted.
5426 (mark_set_regs, mark_set_1): Accept and use FLAGS.
5427 Use alloc_EXPR_LIST.
5428 (mark_used_regs): Accept and use FLAGS, not FINAL.
5429 Remove special handling for RETURN.
5430 (try_pre_increment): Use alloc_EXPR_LIST.
5431 (dump_flow_info): Dump n_edges.
5432 (unlink_insn_chain, split_hard_reg_notes): Remove.
5433 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
5434 (find_insn_with_note, new_insn_dead_notes): Remove.
5435 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
5436 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
5437 (replace_insns): Remove.
5438 (count_or_remove_death_notes): New.
5439 (verify_flow_info): Abort on error after all checks.
5440 (remove_edge): Decrement n_edges.
5441 (remove_fake_edges): Tweek format.
5442 * haifa-sched.c (schedule_insns): Use split_all_insns.
5443 * output.h (update_life_info): Remove declaration.
5444 * recog.c (split_all_insns): From the corpse of split_block_insns,
5445 do the whole function block by block. Use update_life_info.
5446 (recog_last_allowed_insn): New.
5447 (recog_next_insn): Mind it.
5448 (peephole2_optimize): Set it. Walk backwards through blocks.
5449 Use update_life_info.
5450 * rtl.h (update_flow_info, replace_insns): Remove declarations.
5451 (split_all_insns): Declare.
5452 * toplev.c (rest_of_compilation): Thread prologue before flow2.
5453 Use split_all_insns.
5455 * i386.md (or -1 peep2s): Disable.
5457 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
5459 * config/mips/mips.md (movstrsi+[123]) : Combine these into
5460 a single pattern. Scrap the 'd' versions as unnecessary.
5462 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
5463 tablejump_mips162,tablejump_internal4): The operands to a
5464 label_ref must be VOIDmode.
5466 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5468 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
5470 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5472 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
5474 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5476 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
5477 cache every function if ggc_p.
5479 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5481 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
5482 instead of copy_rtx. Accept sequences that contain asm statements.
5483 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
5484 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
5485 orig_asm_operands_vector, copy_asm_operands_vector,
5486 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
5488 * rtl.h (copy_insn, copy_insn_1): Declare.
5490 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5492 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
5494 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
5495 arguments to `current_file_function_operand'.
5497 * genrecog.c: Include hard-reg-set.h and resource.h in the
5498 generated output file.
5500 * real.c: Include tm_p.h.
5502 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5504 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
5507 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
5509 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
5510 before the fctiwz insn.
5512 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5513 Mark Mitchell <mark@codesourcery.com>
5515 * tree.c (make_lang_type_fn): New funtion pointer.
5516 (make_lang_type): Call it.
5517 * tree.h (make_lang_type): Declare.
5518 (make_lang_type_fn): Likewise.
5519 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
5521 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
5523 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
5524 make sure that HIGH instructions are copied into BASE_REGS.
5526 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
5528 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
5530 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
5532 * c-decl.c (finish_struct): Use simpler method of
5533 removing elements of a singly-linked list.
5535 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
5537 * alpha.md (peephole2's): Comment out peephole2's that generate
5540 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
5542 * genrecog.c (add_to_sequence): Disable mode check for
5545 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5547 * ggc-simple.c (init_ggc): Set empty_string.
5549 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
5551 * configure.in: Detect mmap. Add --with-gc=foo to select
5552 garbage collector; default to page if mmap available.
5553 * Makefile.in (GGC): Substitute.
5555 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
5557 * c-decl.c (ggc_p): Enable.
5559 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5561 * flow.c (verify_flow_info): Make it extern & unconditionally define.
5563 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
5565 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
5566 string for little-endian-data.
5568 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
5570 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
5571 case somebody tries to compile --enable-checking code with gcc
5574 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
5576 * genrecog.c (add_to_sequence): Verify operand to label_ref is
5579 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
5581 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
5582 * jump.c (jump_optimize_1): Document why.
5584 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5586 * collect2.c (scan_prog_file, scan_libraries): Prototype function
5587 pointers and casts for `int_handler' and `quit_handler'.
5589 * flow.c (verify_flow_info, split_hard_reg_notes,
5590 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
5591 remove_edge, remove_fake_successors): Add static prototypes.
5592 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
5593 (mark_set_1): Initialize variable `regno'.
5594 (unlink_insn_chain): Likewise for variable `curr'.
5595 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
5597 * loop.c (strength_reduce): Initialize variable
5598 `unrolled_insn_copies'.
5599 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
5600 prototypes. Change these functions to take const PTR parameters
5601 to avoid prototype conflict when used as the comparson argument
5603 (check_dbra_loop): Initialize variable `comparison_val'.
5605 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
5606 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
5607 (find_valid_class): Initialize variable `best_class'.
5608 (find_reloads): Call memcpy, not bcopy.
5610 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
5611 (hard_reg_use_compare): Don't needlessly cast away const.
5612 (reload_reg_class_lower): Likewise.
5613 (choose_reload_regs): Initialize variable `regno'.
5615 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
5617 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
5619 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
5621 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
5622 ({,d}discard): Add forward declarations. Declare parameter as
5624 (main_without_main): Explicitly declare return type to be int.
5625 (memcpy): Properly declare.
5627 * libgcc2.c (toplevel): If inhibit_libc is defined and not
5628 building the trampoline support, declare malloc, free, and
5630 (__clear_cache): Mark arguments as potentially unused.
5632 * frame.c (toplevel): If inhibit_libc is defined, declare
5635 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
5637 * flow.c (make_edge): Accept an optional 2D bitmap in which
5638 to cache edge existence. Update all callers.
5639 (make_label_edge, make_eh_edge): Pass through the edge cache.
5640 (make_edges): Provide the cache.
5642 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5644 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
5646 (local_mbtowc): Change the type of variable `i' from int to size_t.
5648 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
5649 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
5651 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
5653 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
5654 after other includes that define the appropriate types. Include
5655 tm_p.h for getting user prototypes.
5656 * ggc-callbacks.c (toplevel): Ditto.
5657 * ggc-none.c (toplevel): Ditto.
5658 * gcc-page.c (toplevel): Ditto.
5659 * ggc-simple.c (toplevel): Ditto.
5661 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
5662 Jonathan Larmour <jlarmour@cygnus.co.uk>
5664 * config/mips/mips.c (mips_move_2words): Split doubles if
5665 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
5667 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
5669 * genrecog.c (struct decision_test): New.
5670 (struct decision): Remove test-related members, sort the rest by size.
5671 (IS_SPLIT): Simplify.
5672 (new_decision, new_decision_test): New.
5673 (add_to_sequence): Use them. No special handling for args of
5675 (maybe_both_true): Renamed from not_both_true; return sense changed.
5676 (maybe_both_true_1, maybe_both_true_2): New. Broken out
5677 of maybe_both_true and adjusted for decision_test.
5678 (position_merit): Remove.
5679 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
5680 (merge_accept_insn): New, broken out of merge_trees.
5681 (merge_trees): Use them. No special case for c_test; no node
5682 splitting; use test type instead of position_merit.
5683 (factor_tests): New.
5684 (simplify_tests): New.
5685 (break_out_subroutines): Don't write code now.
5686 (find_afterward): New.
5687 (write_afterward, write_switch, write_cond): New.
5688 (write_action, is_unconditional): New.
5689 (write_node): New. Use them.
5690 (write_tree_1): Rewrite. Use the new functions above.
5691 (write_tree): Remove afterward processing.
5692 (write_subroutine): Simplify function variant emission.
5693 (write_subroutines): New.
5694 (same_codes, clear_codes): Remove.
5695 (same_modes, clear_modes): Remove.
5696 (write_header): New, broken out of main.
5697 (make_insn_sequence): Use new_decision and new_decision_test.
5698 (process_tree): New, broken out of main.
5699 (main): Adjust for merge_trees interface change.
5700 Don't #define operands in the output file.
5701 (record_insn_name): New, broken out of make_insn_sequence.
5702 (debug_decision_2, debug_decision_1, debug_decision_0): New.
5703 (debug_decision): New.
5705 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
5707 * resource.c (find_free_register): Mark class_str argument const.
5708 * resource.h: Update prototype to match.
5710 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
5711 * i386.md: Give all anonymous insns names.
5713 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
5715 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
5718 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
5720 * toplev.c (dbr_sched_time): Unconditional.
5721 (peephole2_time): New.
5722 (compile_file): Add pass numbers to all of the dump file suffixes.
5723 Dump peephole2_time. Don't dump times for non-applicable passes.
5724 (rest_of_compilation): Add pass numbers to dump file suffixes.
5725 Conditionalize calls to the scheduler.
5726 * invoke.texi: Update.
5728 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
5730 * flow.c (make_edges): Fix insn iteration.
5731 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
5732 (find_basic_blocks_1): Fix spelling mistake.
5734 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
5736 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
5737 always have side-effects. Use memset not bzero.
5738 (make_node): Likewise.
5740 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
5742 * stmt.c (expand_anon_union_decl): When any of the elements of the
5743 union is addressable, so is the entire union.
5745 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
5747 * sbitmap.c (sbitmap_ones): Don't set too many bits.
5749 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
5750 * bitmap.c (bitmap_operation): Return true iff TO changed.
5751 (bitmap_equal_p): New.
5752 (bitmap_bit_p): Tidy arithmetic.
5753 (debug_bitmap_file): Likewise.
5755 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
5757 * toplev.c (rest_of_compilation): Turn on cse_not_expected
5758 before cse2 instead of after.
5760 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
5762 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
5765 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5767 * cppinit.c (is_idchar initializer): Loosen tests to accept
5770 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
5772 * mips.md: Define conditional move patterns for floating point
5773 operands and DI mode conditions.
5775 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
5777 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
5778 always have side-effects.
5780 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
5782 * mn10200.c (asm_file_start): Fix typo.
5784 * cppinit.c (is_idchar initializer): Tighten tests for when
5785 to put the table into initialized memory.
5787 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
5788 not an array of rtunion.
5789 * gcc-page.c (ggc_alloc_rtvec): Similarly.
5790 * gcc-simple (ggc_free_rtvec): Similarly.
5792 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
5795 * mbchar.h: Add missing #endif.
5797 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
5798 (FPBIT, DPBIT): Define.
5800 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5802 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
5804 * profile.c (instrument_arcs, output_gcov_string,
5805 tablejump_entry_p): Add static prototypes.
5806 (output_gcov_string): Constify a char*.
5808 * regmove.c (replacement_quality, fixup_match_2): Add static
5811 * resource.h (reg_dead_p): Add extern prototype.
5813 * rtl.c (trim_filename): Add static prototype.
5815 * scan-decls.c (skip_to_closing_brace): Likewise.
5817 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
5818 (expand_end_case): Initialize variable `range'.
5819 (emit_case_nodes): Remove unused prototype `rtx_fn'.
5821 * varasm.c (asm_emit_uninitialised): Add static prototype.
5822 (asm_emit_uninitialised, assemble_variable): Mark parameter with
5825 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5827 * cpplib.c (if_directive_nameo): Add static prototype.
5829 * cse.c (cse_insn): Remove unused variable `p'.
5831 * except.c (create_rethrow_ref, push_entry,
5832 receive_exception_label, new_eh_region_entry, find_func_region,
5833 clear_function_eh_region, process_nestinfo): Add static prototypes.
5834 (get_reg_for_handler): Hide definition.
5835 (process_nestinfo): Initialize variable `extra_handlers'.
5837 * expr.h (expand_builtin_longjmp): Add extern prototype.
5839 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
5841 * function.c (prepare_function_start): Likewise.
5842 (pop_function_context_from): Mark parameter `context' with
5844 (push_temp_slots_for_block, flush_addressof): Hide definition.
5846 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
5847 solve_program_flow_graph, calculate_branch_probs,
5848 function_summary, main, fancy_abort): Add prototypes.
5850 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
5851 (add_hash): Constify a char*.
5853 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
5854 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
5855 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
5857 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
5859 * lists.c (free_list, zap_lists): Likewise.
5861 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5863 * alias.c (nonlocal_reference_p): Add static prototype.
5865 * bitmap.c (bitmap_element_allocate): Prototype args in function
5868 * builtins.c (stabilize_va_list): Add static prototype.
5869 (expand_builtin_va_arg): Constify a char*.
5871 * c-lex.c (getch, put_back, extend_token_buffer_to,
5872 read_line_number, token_getch, token_put_back): Add static
5875 * c-parse.gperf (hash, is_reserved_word): Likewise.
5877 * cccp.c (is_dir_separator): Likewise.
5879 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5881 * graph.h: New file to prototype functions exported by graph.c.
5883 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
5885 * graph.c: Include graph.h.
5887 * toplev.c: Likewise. Remove redundant prototypes.
5889 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
5891 * invoke.texi: Removed duplicated description for -Q.
5893 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
5895 * extend.texi: Grammar fix in __extension__ text.
5897 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
5899 * md.texi (define_peephole2): New section.
5901 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
5903 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
5904 (mov $-1 to or peepholer): Enable for pentium when optimizing for
5907 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
5909 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
5911 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
5913 * i386.md (ffs expander): Emit Pentium friendly code for
5916 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
5918 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
5922 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5924 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
5926 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
5928 * config/m68k/m68k.c (use_return_insn): Return false if the pic
5931 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5933 * md.texi (No Constraints): Delete section.
5934 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
5935 * final.c (final_scan_insn): We always have register constraints.
5936 * genattrtab.c: Don't include "insn-config.h".
5937 (write_attr_case): We always have register constraints.
5938 * genconfig.c (register_constraint_flag): Delete.
5939 (walk_insn_part): Don't check whether we have register constraints.
5940 (main): Don't write out "#define REGISTER_CONSTRAINTS".
5941 * genoutput.c (have_constraints): Delete.
5942 (main): Don't set it.
5943 (output_operand_data): We always have constraints.
5944 (scan_operands): Likewise.
5945 (compare_operands): Likewise.
5946 * local-alloc.c (block_alloc): We always have constraints.
5947 (requires_inout): Always compile this function.
5948 * recog.c (extract_insn): We always have constraints.
5949 (constrain_operands, reg_fits_class_p): Always compile these
5951 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
5953 (struct insn_operand_data): Likewise.
5954 * regclass.c (regclass): We always have constraints.
5955 (record_reg_classes, copy_cost, record_address_regs,
5956 auto_inc_dec_reg_p): Always compile these functions.
5957 * regmove.c (regmove_optimize): We always have constraints.
5958 * reload.c (find_reloads): Likewise.
5959 * reload1.c (reload): Likewise.
5960 (reload_cse_simplify_operands): Likewise.
5961 * i860.c (output_delay_insn): Likewise.
5963 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
5965 * iris6.h (BUILD_VA_LIST_TYPE): Define.
5967 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5969 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
5970 for the va_list record.
5972 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
5974 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
5977 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
5979 * alias.c: Include insn-flags.h.
5980 * Makefile.in (alias.o): Update.
5982 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
5984 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
5985 to LTU and GEU. Handle more cases using sbb.
5987 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
5989 * i386.md (truncatexfdf splitters): Do not use subreg.
5990 (fop XFmode patterns): Fix mode in operand testing.
5992 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
5994 * jump.c (jump_optimize_1): Amend last change to test only the
5995 form of the operand, not the insn.
5997 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
5998 not register_operand to determine when B may need preloading.
6000 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
6002 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
6003 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
6004 (call-value patterns): Move to end of file.
6005 (*): Remove mode from label_ref in (pc) context.
6006 (movstrqi): Use memory not general_operand for BLKmode operands.
6007 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
6008 to register_operand operands.
6009 (peep2 patterns): Convert from commented-out peephole patterns.
6011 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6013 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
6014 to BUILT_IN_INIT_DWARF_REG_SIZES.
6015 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
6016 Renamed from BUILT_IN_DWARF_REG_SIZE; call
6017 expand_builtin_init_dwarf_reg_sizes.
6018 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
6019 with __builtin_init_dwarf_reg_size_table.
6020 * dwarf2out.c (struct reg_size_range): Delete.
6021 (expand_builtin_init_dwarf_reg_sizes): New function.
6022 (expand_builtin_dwarf_reg_size): Delete.
6023 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
6024 (expand_builtin_dwarf_reg_size): Don't declare.
6025 * libgcc2.c (dwarf_reg_size_table_initialized): New.
6026 (dwarf_reg_size_table): New.
6027 (init_reg_size_table): New function.
6028 (copy_reg): Use dwarf_reg_size_table.
6029 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
6032 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
6034 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
6035 Correctly build argument list to constructor and destructor functions.
6037 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
6039 * c-tree.h (warn_float_equal): Declare.
6040 * c-decl.c (warn_float_equal): Define.
6041 (c_decode_option): Recognize -W[no-]float-equal.
6042 * c-typeck.c (build_binary_op): Conditionally warn
6043 about equality tests of floating point types.
6044 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
6045 * invoke.texi: Add docs for -Wfloat-equal warning.
6047 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
6049 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
6050 generating RTL directly.
6051 * mips.h (INIT_TARGET_OPTABS): Likewise.
6052 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
6054 * expr.h (init_mov_optab): Delete declaration
6056 * h8300.c (WORD_REG_USED): Update to avoid useless register
6057 saves in interrupt functions and functions which never return.
6059 * cse.c (struct set): Delete inner_dest_loc field.
6060 (cse_insn): Remove assignments to inner_dest_loc field.
6062 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
6064 * ggc-page.c: Don't include <unistd.h> etc taken care of
6065 by "system.h". Include <sys/mman.h> afterward.
6067 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
6069 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
6072 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
6074 * xcoffout.c (xcoffout_declare_function): Add documentation.
6075 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
6076 TARGET_64BIT. Compare constant to -1, not bit pattern.
6077 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
6078 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
6081 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
6083 * dwarf2out.c (add_abstract_origin_attribute): Abort if
6085 (gen_inlined_enumeration_type_die): Do not abort if the type has
6086 not been writeen out.
6087 (gen_inlined_structure_type_die): Do not abort if the type has
6088 not been writeen out.
6089 (gen_inlined_union_type_die): Do not abort if the type has
6090 not been writeen out.
6091 (gen_tagged_type_instantiation_die): Do not abort if the type
6092 has not been written out.
6094 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6096 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
6098 * reg-stack.c (straighten_stack): Copy hard reg set with
6101 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
6103 * builtins.c (stabilize_va_list): Stabilize array type va_list
6104 to a pointer type, not the base record type.
6105 (expand_builtin_va_copy): Dereference the pointers explicitly;
6106 use the correct size for the copy.
6108 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
6109 (rs6000_va_arg): Likewise.
6111 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
6113 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
6115 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
6117 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
6119 (DECL_BUILT_IN_CLASS): Adjust accordingly.
6121 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
6123 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
6124 (init_ggc): Use it instead of a constant.
6125 (ggc_collect): Bound allocated_last_gc by it.
6127 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
6129 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
6132 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
6134 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
6135 (mips*-*-openbsd*): Let big endian configuration be a fragment.
6137 * config/mips/openbsd.h: New, OpenBSD little endian target.
6138 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
6139 * config/mips/xm-openbsd.h: New, OpenBSD host.
6141 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
6143 * config/m68k/m68k.c (output_function_prologue,
6144 output_function_epilogue): Use
6145 current_function_uses_pic_offset_table instead of regs_ever_live
6146 to decide whether to save/restore pic register.
6147 (legitimize_pic_address): Don't modify regs_ever_live any more.
6149 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
6151 * function.h (struct function): Add x_dont_save_pending_sizes_p.
6152 * stor-layout.c (variable_size): Don't add sizes to the pending
6153 sizes list if x_dont_save_pending_sizes_p is set.
6155 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
6157 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
6158 for symbolic_operand().
6159 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
6161 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6163 * combine.c (gen_rtx_combine): Add missing call to va_end().
6165 * final.c (asm_fprintf): Likewise.
6167 * genattrtab.c (attr_rtx): Likewise.
6169 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
6171 * cse.c: Update comments.
6172 (cse_insn): When converting a conditional/computed jump into
6173 an unconditional jump, always make sure a BARRIER immediately
6174 follows the converted jump. Do not delete unreachable code.
6175 (cse_basic_block): Do not delete unreachable code.
6176 * toplev.c (rest_of_compilation): Move call to
6177 delete_trivially_dead_insns after the conditional call to
6180 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6182 * collect2.c (make_temp_file): Don't prototype.
6184 * gcc.c (make_temp_file): Likewise.
6186 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
6188 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
6190 * varasm.c (asm_emit_uninitialised): New function: Generate
6191 the assembler statements necessary to declare an uninitialised
6193 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
6195 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
6196 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
6198 (assemble_variable): Use asm_emit_uninitialised to emit an
6199 uninitialised variable.
6201 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
6203 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
6204 constant on a 64 bit host. Patch supplied by Geoffrey Keating
6205 <geoffk@cygnus.com>.
6207 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6209 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
6210 * c-common.h (builtin_function): Don't declare.
6212 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
6214 (pushdecl): Likewise.
6215 (finish_decl): Likewise.
6216 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
6217 int. All callers changed.
6218 Set the builtin's DECL_BUILT_IN_CLASS.
6219 * tree.h (enum built_in_class): New.
6220 (enum built_in_function): Delete NOT_BUILT_IN.
6221 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
6223 (DECL_SET_FUNCTION_CODE): Likewise.
6224 (DECL_BUILT_IN_CLASS): New macro.
6225 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
6226 (struct tree_decl): Split builtin function code field into a
6228 (builtin_function): Declare.
6230 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
6232 * optabs.c (init_traps): Fix typo in last change.
6234 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
6236 * toplev.c (rest_of_decl_compilation): Update comment.
6238 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6240 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
6241 in .sbss if appropriate.
6242 (EXTRA_SECTION_FUNCTIONS): Add sbss.
6243 (SBSS_SECTION_ASM_OP): New macro.
6244 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
6245 (EXTRA_SECTIONS): Add in_sbss.
6246 * config/mips/mips.h: Prototype sbss_section.
6248 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
6250 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
6253 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
6255 * optabs.c (init_traps): Register trap_rtx as a GC root.
6257 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6259 * config/mips/mips.c (function_arg_pass_by_reference): Define
6260 unconditionally, since it's called unconditionally.
6262 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6264 * toplev.c (documented_lang_options): Add -fshort-wchar.
6265 * c-decl.c (c_decode_option): Likewise.
6266 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
6268 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
6269 * gcc.c (default_compilers): If -fshort-wchar,
6270 override __WCHAR_TYPE__.
6271 * tm.texi (C Dialect Options): Add -fshort-wchar.
6273 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
6274 symbol for a variable.
6276 * cpplib.h (CPP_PREPROCESSED): New macro.
6277 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
6278 we're seeing this input for a second time.
6280 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
6282 * emit-rtl.c (init_emit_once): Initialize modes first.
6284 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
6286 * config/i386/i386.c (pic_label_name): Change to char pointer.
6287 (global_offset_table): New variable.
6288 (load_pic_register): Fill global_offset_table if it hasn't
6289 already been done. Allocate pic_label_name dynamically.
6290 * ggc.h (empty_string): New variable.
6291 * ggc-simple.c (empty_string): Likewise.
6292 (init_ggc): Allocate empty_string and add as root.
6293 * stmt.c (digit_strings): New variable.
6294 (init_stmt): Add last_block_end_note as root. Allocate and
6295 initialize digit_strings.
6296 (expand_asm_operands): Use empty_string instead of string
6297 constant. Use digit_strings instead of string constants.
6298 * profile.c (init_arc_profiler): Allocate string with
6299 ggc_alloc_string instead of xmalloc.
6300 (output_func_start_profiler): Likewise.
6301 * c-typeck.c (digest_init): Check if init is error_mark_node.
6303 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
6304 Richard Henderson <rth@cygnus.com>
6306 * ggc-page.c: New file.
6307 * Makefile.in (ggc-page.o): New.
6309 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
6311 * invoke.texi: Document -fdelete-null-pointer-checks
6312 * toplev.c (flag_delete_null_pointer_checks): New.
6313 (f_options): Add entry for -fdelete-null-pointer-checks.
6314 (rest_of_compilation): Conditionalize null pointer check
6315 elimination on flag_delete_null_pointer_checks.
6316 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
6318 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
6320 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
6321 copyright notice and special exception to GPL.
6323 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6325 * abi64.h (mips_function_value): Add prototype arguments.
6327 * mips-protos.h: New file with mips prototypes.
6329 * mips.c: Include "tm_p.h".
6330 (mktemp, lookup_name): Add prototype arguments.
6331 (extern_list, string_constant, mips_fill_delay_slot,
6332 mips_output_external, mips_output_external_libcall,
6333 mips_output_filename, mips_declare_object, function_prologue,
6334 mips_expand_prologue, function_epilogue, mips16_constant,
6335 build_mips16_function_stub, mips_output_conditional_branch):
6337 (mips_va_start): Remove unused variable `u'.
6338 (mips_va_arg): Cast value to unsigned when comparing against one.
6340 (save_restore_insns, mips_expand_prologue): Add missing arg in
6341 call to `large_int'.
6343 * mips.h: Move prototypes to mips-protos.h.
6344 (data_section, memory_address_p, rdata_section,
6345 readonly_data_section, simple_epilogue_p, text_section): Delete
6346 prototypes delcared elsewhere.
6347 (mips_epilogue_delay_slots, print_options): Delete unused decls.
6349 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
6351 * mips.md: Delete extra args in call to `mips_move_2words'.
6353 * xm-iris6.h (alloca): Add prototype argument.
6355 * genpeep.c: Include "tm_p.h" in generated output file.
6357 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6359 * basic-block.h (find_edge_index): Change parameters.
6360 * flow.c (verify_edge_list): Pass basic_block parameters to
6361 find_edge_index instead of integers.
6363 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
6365 * combine.c (simplify_comparison): Use an unsigned shift to adjust
6368 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
6370 * gcc.1: Fix a formatting error.
6372 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6374 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
6375 i786, mn10200, mn10300, pdp11, v850.
6377 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
6379 * libgcc2.c (num_digits): Add prototype with
6380 __attribute__((const)).
6381 (__terminate): Add prototype.
6383 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
6385 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
6387 * alpha/alpha.c (print_operand): Fix type of `code'.
6388 (alpha_output_filename): Constify.
6389 * alpha/alpha.h: Move all function declarations ...
6390 * alpha/alpha-protos.h: ... here. New file.
6391 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
6392 (SECTION_FUNCTION_TEMPLATE): Likewise.
6394 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6396 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
6397 * expr.c (expand_expr): Likewise.
6398 (do_jump): Likewise.
6399 (do_store_flag): Pass ccp_store_flag to can_compare_p.
6400 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
6402 (enum can_compare_purpose): New.
6403 (can_compare_p): Adjust prototype.
6404 (prepare_cmp_insn, prepare_operand): Declare.
6405 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
6406 * optabs.c (cmp_available_p): Deleted.
6407 (expand_abs): Pass ccp_jump to can_compare_p.
6408 (can_compare_p): New arg PURPOSE. Check for combined optabs.
6409 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
6410 Call can_compare_p rather than cmp_available_p.
6411 (prepare_operand): No longer static.
6412 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
6413 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
6414 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
6415 sequence to use emit_cmp_and_jump_insns.
6416 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
6418 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
6420 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
6421 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
6422 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
6423 (plus (reg) (const_int 0))
6424 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
6426 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
6428 * rs6000.c (expand_block_move): DImode loads and stores require
6429 word-aligned displacements. Increment address registers with
6430 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
6432 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
6434 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
6435 is no name for the base type, rather than segfault. If we are
6436 writing out a complex integer type, use DW_ATE_lo_user.
6438 * expr.c (emit_move_insn_1): If we are copying a complex that fits
6439 in one word or less (complex char, complex short, or on 64 bit
6440 systems complex float) to/from a hard register, copy it through
6441 memory instead of dying in gen_{real,imag}part. If we have a
6442 short complex type, prevent inlining since it allocates stack
6445 * tree.c (build_complex_type): If we are writing dwarf2 output,
6446 generate a name for complex integer types.
6448 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6450 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
6451 * flow.c (remove_edge): Remove extra whitespace.
6452 (remove_fake_edges): Fix comment.
6453 (add_noreturn_fake_exit_edges): Use the correct name.
6455 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
6457 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
6458 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
6459 (clean): Depend on INTL_CLEAN.
6460 (maintainer-clean): Adjust.
6462 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6464 * configure.in (AC_PREREQ): Bump to 2.13.
6465 (AC_C_STRINGIZE): Call this instead of using a custom macro.
6467 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
6469 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
6471 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
6473 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
6474 (HAVE_STRINGIZE): Define.
6476 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
6478 * c-parse.in: save and restore warn_pointer_arith on __extension__
6479 along with pedantic.
6480 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
6481 Set the type of extension to itype rather than $<itype>1 kludge.
6482 * extend.texi (Alternate Keywords): Adjust documentation.
6483 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
6485 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
6487 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
6488 most assembler templates.
6490 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
6491 FP loads and stores.
6492 (following_call): Always return zero for the PA8000.
6493 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
6494 FP loads and stores.
6495 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
6497 * pa.h (BRANCH_COST): Define.
6499 * pa.md (return, return_internal): Use bve for PA2.0.
6501 * pa.md (fused multiply): Add variants which reduce height for the
6502 fused multiply, but which still generate 2 insns.
6503 (fnegabs): Similarly.
6505 * pa.md (subsi3): Turn into an expander. Create two anonymous
6506 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
6507 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
6509 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
6511 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
6513 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
6514 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
6516 * regclass.c (init_regs): Add "top_of_stack" as a garbage
6519 * flow.c (record_active_eh_regions): Terminate loop after finding
6520 the last insn in the last basic block.
6522 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6524 * config/c4x/c4x.md: Delete parallel instruction peepholes.
6526 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6528 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
6530 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6532 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
6533 splitting to not use output template.
6535 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6537 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
6538 * config/c4x/c4x.c (c4x_va_start): New function.
6540 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
6542 * genrecog.c (not_both_true): Handle correctly cases when called for
6543 tests with different positions in the insn.
6545 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6547 * machmode.h (HOST_PTR_PRINTF): Move from here ...
6549 * system.h (HOST_PTR_PRINTF): ... to here.
6551 * mips-tfile.c: Don't include machmode.h.
6553 * Makefile.in (MACHMODE_H): New variable. Update to use it.
6554 (mips-tfile.o): Don't depend on machmode.h.
6556 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6558 * haifa-sched.c (sched_analyze): Rename local variable `region' to
6559 avoid conflicts with typedef struct `region' at the top level scope.
6561 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
6563 * basic-block.h (basic_block): Add eh_beg, eh_end.
6564 * flow.c (entry_exit_blocks): Update.
6565 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
6567 (find_basic_blocks_1): Don't record eh_list at each bb. Use
6568 lists.c functions to allocate insn lists.
6569 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
6571 (make_eh_edge): ... here. New.
6572 (move_stray_eh_region_notes): New.
6573 (record_active_eh_regions): New.
6574 (delete_unreachable_blocks): Split out block merging ...
6575 (try_merge_blocks): ... here. New.
6576 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
6577 Dump debugging data.
6578 (merge_blocks_move_successor_nojumps): Likewise.
6579 (merge_blocks): Use eh_beg+eh_end to validate block movement.
6581 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6583 * extend.texi (Bound member functions): Document unbound pmf
6586 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6588 * flow.c (split_edge): Handle insertion on a fallthrough edge which
6589 has the EXIT_BLOCK as a dest.
6591 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6593 * flow.c (remove_edge): New function to remove an edge from the
6595 (remove_fake_successors): New function to remove fake successor edges.
6596 (remove_fake_edges): New function to remove all fake edges from the
6598 (add_fake_exit_edges): New function to add fake edges from all blocks
6599 with no successors to the exit block.
6600 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
6601 prototypes for new functions.
6603 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6605 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
6606 Use Pmode to determine whether to output .dword or .word.
6608 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
6610 * tree.c (built_in_filename): New variable.
6611 (BUILT_IN_FILENAME): New macro.
6612 (init_tree_codes): Allocate built_in_filename.
6613 (make_node): Use built_in_filename instead of string constant.
6615 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
6617 * configure.in: Add fr30 target.
6618 * configure: Regenerate.
6619 * config/fr30: New directory.
6620 * config/fr30/crti.asm: New file.
6621 * config/fr30/fr30.c: New file.
6622 * config/fr30/crtn.asm: New file.
6623 * config/fr30/fr30.h: New file.
6624 * config/fr30/fr30.md: New file.
6625 * config/fr30/lib1funcs.asm: New file.
6626 * config/fr30/t-fr30: New file.
6627 * config/fr30/xm-fr30.h: New file.
6629 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
6631 * flow.c (merge_blocks_move_successor_nojumps): Delete the
6632 BARRIER at the end of the successor, not the BARRIER before
6635 * pa.c (pa_add_gc_roots): Fix thinko in last change.
6637 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
6639 * stmt.c (any_pending_cleanups): Don't crash when
6640 current_function->stmt is unset.
6642 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6644 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
6645 other initializations that may use it for relative offsets.
6647 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6649 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
6650 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
6651 * config/i386/sol2dbg.h: Removed.
6652 * config/i386/sol2gas.h: New file, to enable gas work-around.
6653 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
6654 Don't use sol2dbg.h.
6655 * configure: Rebuilt.
6657 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
6659 * invoke.texi (-fthis-is-variable): Remove documentation.
6661 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
6663 * basic-block.h (compute_bb_for_insn): Declare.
6664 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
6665 to use; set size of basic_block_for_insn directly.
6666 (find_basic_blocks): Update.
6668 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6670 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
6672 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6674 * crtstuff.c (ON_EXIT): Delete empty macro definition.
6675 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
6677 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
6679 * c-decl.c (c_decode_option): Extend comment.
6681 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
6683 * toplev.c (progname): Make 'const char *'
6684 (flag_print_mem): Move out of main.
6685 (version_flag): Move out of main.
6686 (filename): Move out of main.
6687 (debug_args): Remove g prefix from options.
6688 (documented_lang_options): Remove cpplib specific options.
6689 (display_help): Add g prefix to debug options.
6690 (check_lang_option): Delete this function.
6691 (decode_d_option): New function: Decode -d... option.
6692 (decode_f_option): New function: Decode -f... option.
6693 (decode_W_option): New function: Decode -W... option.
6694 (decode_g_option): New function: Decode -g... option.
6695 (independent_decode_option): New function: Decode a language
6696 independent command line option.
6697 (main): Invoke lang_decode_option and then
6698 independent_decode_option on each command line option in
6701 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
6703 Revert this change. Gavin's patch to operand_equal_p is a better fix.
6704 * fold-const.c (fold_range_test): Do not try to fold the range
6705 test if the rhs or lhs has side effects.
6707 * basic-block.h (compute_flow_dominators): Declare.
6709 * gcse.c (alloc_code_hoist_mem): New function.
6710 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
6711 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
6712 (hoist_code, one_code_hoisting_pass): Likewise.
6713 (gcse_main): If optimizing for size, then hoist expressions
6714 computed in multiple dominated basic blocks.
6716 * gcse.c (invalid_nonnull_info): New function.
6717 (delete_null_pointer_checks): Likewise.
6718 * rtl.h (delete_null_pointer_checks): Declare.
6719 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
6721 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
6722 (merge-blocks_move_successor_nojumps): Likewise.
6723 (merge_blocks): Allow merging of some blocks, even if it requires
6724 physical movement of the blocks, but not if it requires new jumps.
6726 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
6727 Callers and prototype changed.
6728 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
6730 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6732 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
6733 -YP when both -p and -pg are present. From i386/sol2.h.
6735 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6737 * Makefile.in (distclean): Delete tm_p.h.
6738 * configure.in: Create a new file, "tm_p.h", from a list in
6739 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
6740 "i386/i386-protos.h".
6742 * alias.c: Include "tm_p.h".
6743 * c-typeck.c: Likewise.
6744 * calls.c: Likewise.
6746 * emit-rtl.c: Likewise.
6747 * explow.c: Likewise.
6748 * expmed.c: Likewise.
6750 * final.c: Likewise.
6752 * fold-const.c: Likewise.
6753 * function.c: Likewise.
6755 * global.c: Likewise.
6756 * haifa-sched.c: Likewise.
6757 * integrate.c: Likewise.
6759 * local-alloc.c: Likewise.
6761 * optabs.c: Likewise.
6762 * recog.c: Likewise.
6763 * reg-stack.c: Likewise.
6764 * regclass.c: Likewise.
6765 * regmove.c: Likewise.
6766 * reload.c: Likewise.
6767 * reload1.c: Likewise.
6768 * reorg.c: Likewise.
6769 * resource.c: Likewise.
6771 * stor-layout.c: Likewise.
6772 * toplev.c: Likewise.
6774 * unroll.c: Likewise.
6775 * genattrtab.c (main): Make generated file include "tm_p.h".
6776 * genemit.c (main): Likewise.
6777 * genoutput.c (main): Likewise.
6778 * genrecog.c (main): Likewise.
6780 * i386.h: Delete all prototypes.
6781 * i386.c: Include "tm_p.h".
6782 (ix86_attr_length_default): Call constant_call_address_operand
6783 with correct number of arguments.
6784 * i386-protos.h: New file.
6785 * i386.md (unnamed patterns): Call constant_call_address_operand
6786 with correct number of arguments.
6787 (exception_receiver): Call load_pic_register with correct number
6790 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
6792 * c-pragma.c (mark_align_stack): Dereference the void* properly.
6794 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
6796 * rtl.h (insns_safe_to_move_p): New function.
6797 * loop.c (find_and_verify_loops): Use it.
6798 * rtlanal.c (insns_safe_to_move_p): Define it.
6800 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
6802 * c-pragma.c: Include ggc.h.
6803 * Makefile.in (c-pragma.o): Update.
6805 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6807 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
6808 (LIB_SPEC): Likewise.
6809 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
6810 Reindent -YP/-p/-pg.
6811 Copied from config/sparc/sol2.h.
6813 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
6815 * c-pragma.c (mark_align_stack): New.
6817 * c-pragma.h (init_pragma): Declare it.
6818 * c-lex.c (init_parse): Call it.
6820 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6822 * configure.in: Pick up thread library on Solaris/x86 just
6823 like on Solaris/sparc.
6824 * configure: Rebuilt.
6826 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
6828 * rtl.h (global_rtx_index): New enum.
6829 (global_rtl): Change to array of rtx.
6830 (pc_rtx, cc0_rtx): Redefine accordingly.
6831 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
6832 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
6833 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
6834 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
6835 (const_int_rtx): Change to array of rtx.
6836 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
6838 * emit-rtl.c (global_rtl): Change to array of rtx.
6839 (const_int_rtx): Change to aray of rtx.
6840 (gen_rtx_CONST_INT): Redefine accordingly.
6841 (init_emit_once): Allocate and initialize global_rtl. Likewise
6842 for const_int_rtx. Add both as GC roots.
6843 * genattrtab.c (global_rtl): Update declaration.
6845 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
6847 * Makefile (USER_H): Add iso646.h back.
6849 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
6851 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
6852 zapping the LOG_LINKS of sched_before_next_call.
6854 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
6855 * pa.c (insn_refs_are_delayed): Renamed from
6856 insn_sets_and_refs_are_delayed.
6858 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
6860 * functiion.h (struct function): Add x_whole_function_mode_p.
6861 (retrofit_block): Declare.
6862 * function.c (retrofit_block): New function.
6863 (identify_blocks): Add assertions. Allow an incomplete set of
6864 block notes if we're still generating code for the function.
6865 * integrate.c: Include loop.h.
6866 (expand_inline_function): Call find_loop_tree_blocks to map block
6867 notes to blocks when in whole-function mode. Use retrofit_block
6868 to insert new BLOCKs for the inlined function, rather than
6870 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
6871 * Makefile.in (integrate.o): Depend on loop.h.
6873 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
6875 * tree.h (warn_about_unused_variables): Declare.
6876 * stmt.c (warn_about_unused_variables): New function, split out
6878 (expand_end_bindings): Here.
6880 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
6882 * stmt.c (preserve_subexpressions_p): Don't crash when
6883 current_function->stmt is unset.
6885 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
6887 * stmt.c (expand_start_bindings): Allow callers to pass a flag
6888 indicating that no NOTE_INSN_BLOCK_BEG note is required.
6889 (expand_start_target_temps): Use it.
6890 * except.c (expand_eh_region_start_for_decl): Likewise.
6891 * expr.c (expand_expr): Likewise.
6893 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
6895 * fold-const.c (operand_equal_p): Pay attention to side effects.
6897 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6899 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
6900 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
6902 * tlink.c (scan_linker_output): Look for keywords before accepting
6903 a mangled name in quotes.
6905 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
6907 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
6908 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
6910 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
6912 * alpha.md: Revert Thu Nov 26 change that came in through the
6913 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
6914 Avoid earlyclobber when possible.
6916 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6918 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
6920 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
6921 Define HAVE_ON_EXIT.
6923 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6925 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
6926 CTYPE_CONV in all ctype macros.
6928 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
6931 * cexp.y (initialize_random_junk): Likewise.
6933 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
6935 * i370.c (handle_pragma): Likewise.
6937 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
6939 * v850.c (override_options): Likewise.
6941 * doprint.c (_doprnt): Likewise.
6943 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
6946 * fixinc/server.c (load_data): Likewise.
6948 * fold-const.c (real_hex_to_f): Likewise.
6950 * genattr.c (write_upcase, gen_attr): Likewise.
6952 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
6953 write_upcase): Likewise.
6955 * genemit.c (print_code): Likewise.
6957 * genopinit.c (gen_insn): Likewise.
6959 * genpeep.c (print_code): Likewise.
6961 * genrecog.c (print_code): Likewise.
6963 * optabs.c (init_libfuncs): Likewise.
6965 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
6967 * haifa-sched.c (sched_analyze): Keep the list of notes organized
6969 (reemit_notes): Likewise.
6971 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
6973 * ggc.h (ggc_root): Move to ggc-common.c.
6975 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
6976 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
6977 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
6978 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
6979 * ggc-common.c (ggc_root): Move from ggc.h.
6980 (roots): Declare, static.
6981 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
6982 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
6983 null or check/set mark bit.
6984 (ggc_mark_roots): New.
6985 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
6987 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
6989 * m32r.c: Include toplev.h.
6990 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
6991 (gen_compare): Rename swap_p to must_swap to match uses.
6992 Add default abort case.
6993 (m32r_output_function_epilogue): Remove unused variables.
6994 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
6995 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
6996 define to empty parameter list. Update all uses.
6997 (predicate decls): Use enum machine_mode not int.
6998 * m32r.md (movsi): Call abort, not fatal_insn.
6999 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
7001 1999-09-14 Andrew Haley <aph@cygnus.com>
7003 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
7004 use $0 instead of 0.
7006 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7008 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
7009 computation out of loop over hard regs.
7011 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
7013 * function.c (identify_blocks): Don't shadow a variable in an
7015 * integrate.c (integrate_decl_tree): Don't use pushlevel,
7016 pushdecl, or poplevel to build up the new BLOCK tree.
7017 (expand_inline_function): Likewise.
7018 (integrate_parm_decls): Likewise.
7020 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
7022 * c-typeck.c (qualify_type): Merge qualifiers from both types.
7024 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
7026 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
7027 * invoke.texi: Document this change.
7029 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
7031 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
7033 (mark_emit_status): Renamed from mark_emit_state.
7034 * except.c (mark_eh_status): Renamed from mark_eh_state.
7035 Check not null before marking.
7036 (free_eh_status): New.
7037 * expr.c (mark_expr_status, free_expr_status): New.
7038 * function.c (free_machine_status): New.
7039 (free_after_parsing): New.
7040 (free_after_compilation): Move bits to free_after_parsing; call
7041 free_eh_status, free_expr_status; zero the marked members of the
7043 (prepare_function_start): No can_garbage_collect.
7044 Call init_eh_for_function.
7045 (expand_dummy_function_end): Free up current_function state.
7046 (mark_function_status): Renamed from mark_function_state.
7047 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
7048 * function.h (struct function): No can_garbage_collect.
7049 (free_machine_status, free_after_parsing): Declare.
7050 (free_eh_status, free_expr_status): Declare.
7051 * ggc.h (mark_expr_status): Declare.
7052 * stmt.c (free_stmt_status): Free the struct.
7053 (mark_stmt_status): Renamed from mark_stmt_state.
7054 (init_stmt): Don't call init_eh.
7055 (init_stmt_for_function): Don't call init_eh_for_function.
7056 * toplev.c (compile_file): Call init_eh.
7057 (rest_of_compilation): Free basic block info before ggc_collect.
7058 Call free_after_parsing; conditionally call free_after_compilation.
7059 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
7060 Check not null before marking.
7061 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
7063 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
7065 * c-lex.c (yylex): Initialize warn.
7067 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
7069 * pa.c (emit_move_sequence): Properly set the mode of the scratch
7070 register when performing secondary reloads for the SAR register.
7072 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
7074 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
7075 (NOTE_BLOCK): New macro.
7076 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
7077 * function.h (identify_blocks): Change prototype.
7078 * function.c (identify_blocks): Simplify.
7079 (reorder_blocks): Likewise.
7080 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
7081 NOTE_INSN_BLOCK_{BEG,END}.
7082 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
7083 the list of saved notes if the note isn't a
7084 NOTE_INSN_BLOCK_{BEG,END}.
7085 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
7087 (reemit_notes): Adjust recreation of notes to reflect new saved
7089 * print-rtl.c (print_rtx): Print the address of the BLOCK when
7090 printing a block note.
7091 * stmt.c (block_vector): Remove.
7092 (find_loop_tree_blocks): Simplify.
7093 (unroll_block_trees): Likewise.
7094 * tree.h (reorder_block): Change prototype.
7096 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
7098 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
7099 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
7100 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
7101 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
7102 (atexit, exit): Simplify.
7103 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
7104 * config/lots: Remove defns of HAVE_ATEXIT.
7106 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
7108 * calls.c (precompute_arguments): Fix typo in comment.
7109 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
7112 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
7114 * dsp16xx.c (override_options): Fix typos in GC root registration.
7116 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
7118 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
7120 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
7121 (FUNCTION_PROFILER): Redefine appropriately for Linux.
7122 (CC1_SPEC): Likewise.
7124 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7126 * genattr.c (main): Add extern prototype. Call return, not exit.
7127 * genattrtab.c (main): Likewise.
7128 * gencheck.c (main): Likewise.
7129 * gencodes.c (main): Likewise.
7130 * genconfig.c (main): Likewise.
7131 * genemit.c (main): Likewise.
7132 * genextract.c (main): Likewise.
7133 * genflags.c (main): Likewise.
7134 * gengenrtl.c (main): Likewise.
7135 * genopinit.c (main): Likewise.
7136 * genoutput.c (main): Likewise.
7137 * genpeep.c (main): Likewise.
7138 * genrecog.c (main): Likewise.
7140 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
7141 * genattrtab.c (get_insn_name): Likewise.
7142 * gencodes.c (get_insn_name): Likewise.
7143 * genconfig.c (get_insn_name): Likewise.
7144 * genemit.c (get_insn_name): Likewise.
7145 * genextract.c (get_insn_name): Likewise.
7146 * genflags.c (get_insn_name): Likewise.
7147 * genopinit.c (get_insn_name): Likewise.
7148 * genpeep.c (get_insn_name): Likewise.
7150 * gencheck.c (usage): Add static prototype.
7151 * genextract.c (print_path): Constify a char*.
7152 * genopinit.c (optabs): Likewise.
7153 * genoutput.c (operand_data, data, output_predicate_decls,
7154 compare_operands): Likewise.
7155 * genrecog.c (write_tree): Add default case in switch.
7157 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7159 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
7161 * print-rtl.c (get_insn_name): Remove prototype.
7163 * toplev.h (progname): Declare const.
7165 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
7166 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
7167 dump_sched_info, dump_local_alloc, regset_release_memory,
7168 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
7169 error_with_file_and_line, error_with_decl, error_for_asm, error,
7170 fatal, warning_with_file_and_line, warning_with_decl, warning,
7171 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
7172 Remove redundant prototypes.
7174 (notice, check_lang_option, report_file_and_line, vnotice,
7175 mark_file_stack): Add static prototype.
7176 (set_fatal_function): Add prototype.
7177 (vnotice, report_file_and_line, set_fatal_function,
7178 check_lang_option): Constify a char*.
7179 (main): Prototype. Call return, not exit.
7181 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7183 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
7185 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
7187 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
7189 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
7191 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7193 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
7194 behave as if it's zero in all cases.
7195 (expand_function_start): Adjust call to assign_parms.
7196 * tree.h (assign_parms): Adjust prototype.
7197 * objc/objc-act.c (hack_method_prototype): Adjust call to
7200 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
7202 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
7203 arg_pointer_rtx fixed if the argument pointer register is
7205 (NONZERO_BASE_PLUS_P): Likewise.
7207 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
7209 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
7210 match_insn2 to match_insn.
7211 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
7213 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
7215 * Makefile.in (USER_H): Remove va-foo.h.
7217 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
7218 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
7219 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
7220 va-spur.h,va-v850.h}: Remove.
7222 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
7224 * sparc/sparc.md (eligible_for_return_delay): New attribute.
7225 (in_return_delay): Use it instead of match_insn.
7227 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7229 * config/alpha/va_list.h (va-alpha.h): Do not include.
7230 (__gnuc_va_list): Typedef as in varargs.h.
7232 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
7234 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
7235 DECL_LIVE_RANGE_RTL.
7237 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
7239 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
7240 not NOTE_BLOCK_NUMBER.
7241 (expand_eh_region_end): Likewise.
7242 (find_exception_handler_labels): Likewise.
7243 (scan_region): Likewise.
7244 (exception_optimize): Likewise.
7245 (update_rethrow_references): Likewise.
7246 (set_insn_eh_region): Likewise.
7247 * final.c (final_scan_insn): Likewise.
7248 * flow.c (make_edges): Likewise.
7249 * integrate.c (expand_inline_function): Likewise.
7250 * print-rtl.c (print_rtx): Likewise.
7252 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
7254 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
7255 terms of builtin functions and types.
7257 * mips.c (mips_build_va_list): New.
7258 (mips_va_start, mips_va_arg): New.
7259 * mips.h (BUILD_VA_LIST_TYPE): New.
7260 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7262 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
7263 (sh_build_va_list, sh_va_start, sh_va_arg): New.
7264 * sh.h (BUILD_VA_LIST_TYPE): New.
7265 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7267 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
7269 * recog.h (struct recog_data): Make dup_num, operand_address_p,
7270 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
7271 (struct insn_data): Likewise with n_operands, n_dups,
7272 n_alternatives, output_format.
7273 * regclass.c (scan_one_insn): Cast n_operands to int before
7274 arithmetic inside comparison.
7276 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
7278 * toplev.c (compile_function): Unconditionally emit nop.
7280 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7282 * haifa-sched.c (actual_hazard): Move declaration of variable
7283 `this_cost' into the scope where it is used.
7285 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7287 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
7288 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
7289 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
7291 * genrecog.c (make_insn_sequence): Call memset, not bzero.
7293 * jump.c (find_insert_position): Don't declare or define unless
7294 !HAVE_conditional_arithmetic.
7295 (returnjump_p_1, delete_prior_computation): Add static prototypes.
7297 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
7299 * recog.c (offsettable_address_p): Prototype function pointer.
7300 (preprocess_constraints): Call memset, not bzero.
7302 * tree.c (tree_node_kind_names): Constify a char*. Make static.
7303 (gcc_obstack_init): Don't declare.
7304 (fix_sizetype): Add static prototype.
7305 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
7306 (tree_cons): Call memset, not bzero.
7308 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
7309 definition in macro ASM_WEAKEN_LABEL.
7310 (mark_const_hash_entry): Add static prototype.
7312 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7314 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
7316 * unroll.c (find_common_reg_term, subtract_reg_term,
7317 loop_find_equiv_value): Add static prototypes.
7318 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
7319 (copy_loop_body): Remove unreachable break statement.
7321 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
7323 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
7325 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7327 Undo some changes from the gcc2 merge:
7328 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
7329 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
7333 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
7334 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7335 initialized float-int union if the value is a NaN.
7337 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
7339 * gthr-win32.h: New file.
7341 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
7342 shared as a valid attribute.
7343 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
7344 * extend.texi: Document `shared' variable attribute.
7346 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
7348 * configure.in: Handle --enable-threads on FreeBSD.
7349 * configure: Rebuit.
7351 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7353 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
7355 * configure: Rebuilt.
7357 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
7358 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
7359 Rosimildo DaSilva <rdasilva@connecttel.com>
7361 * configure.in (m68k-*-rtemscoff*): Added.
7362 * configure.in (mips64orion-*-rtems*): Converted to ELF.
7363 * configure.in (sparc-*-rtemsaout*): Added as alias for old
7364 sparc-rtems configuration.
7365 * configure.in (sparc-*-rtemself*): Added.
7366 * configure.in (sparc-*-rtems*): Now ELF not a.out.
7367 * config/i386/rtems.h: Added comment.
7368 * config/sparc/rtemself.h: New file.
7370 * configure.in (m68k-rtemself): Added.
7371 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
7372 and DWARF_DEBUGGING_INFO.
7373 * config/m68k/crti.s: New file.
7374 * config/m68k/crtn.s: New file.
7375 * config/m68k/t-crtstuff: New file.
7376 * config/m68k/rtemself.h: New file.
7378 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
7379 global ctor/dtor and C++ exception handling.
7380 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
7381 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
7383 * config/i386/t-rtems-i386: New File.
7385 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
7387 * stmt.c (expand_end_case): Return right away if the case stack is
7390 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
7392 * Makefile.in (version.c): Remove rule incorrectly brought in from
7395 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
7397 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
7398 * msdos/top.sed: Take into account a prepended $(SHELL) to
7400 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
7402 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
7404 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7406 * regmove.c (fixup_match_1): Don't change an unchanging register.
7407 (stable_but_for_p): Renamed to:
7408 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
7409 Changed all callers.
7411 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
7413 * loop.c (strength_reduce): Don't call reg_used_between_p if the
7414 insn from BL2 is after the insn from BL.
7416 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
7418 * recog.h (INSN_OUTPUT_FORMAT_*): New.
7419 (struct insn_data): Merge `template' and `outfun' into `output'.
7420 Add `output_format'.
7421 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
7422 (struct data): Remove `outfun'; add `output_format'.
7423 (name_for_index): Remove declaration.
7424 (output_insn_data): Handle output formats.
7425 (process_template): Emit the bare array for @.
7426 (gen_expand, gen_split): Set output_format to NONE.
7427 * output.h (get_insn_template): Declare.
7428 * final.c (get_insn_template): New.
7429 (final_scan_insn): Use it.
7430 * toplev.c (compile_file): Likewise.
7432 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7433 * i860/i860.c (output_delayed_branch): Likewise.
7434 (output_delay_insn): Likewise.
7436 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7438 * rtl.c (obstack_alloc_rtx): Removed.
7440 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
7442 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
7444 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7446 * i386.c (call_insn_operand): Reject const_int.
7447 (expander_call_insn_operand): Use call_insn_operand.
7449 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7451 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
7453 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
7455 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
7456 Use DImode operation.
7458 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
7460 * gcc.c: Include sys/resource.h.
7461 (report_times): New flag.
7462 (execute): If report_times is set, calculate and report the
7463 CPU time consumed by each subprocess.
7465 (rus, prus): New globals.
7466 (option_map): Add --time.
7467 (display_help): Document -time.
7468 (process_command): Set report_times if -time is given.
7469 Turn off -pipe if -time is given.
7471 * invoke.texi: Document new option -time.
7473 * configure.in: Check for getrusage. Check if we have to
7474 prototype getrusage.
7475 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
7476 * configure: Regenerate.
7477 * config.in: Regenerate.
7479 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
7481 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
7484 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
7486 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
7487 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
7488 (nan): Return _thenan_sf or _thenan_df as appropriate.
7489 (L_thenan_sf): Define _thenan_sf.
7490 (L_thenan_df): Define _thenan_df.
7492 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
7493 (DPBIT_FUNCS): Add _thenan_df.
7495 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
7497 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
7500 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7502 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
7505 (lang_specific_driver): Don't take a function pointer parameter.
7506 All callers changed.
7508 * gcc.c: Include gcc.h.
7509 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
7510 lang_specific_extra_outfiles, fatal): Don't declare.
7511 (multilib_defaults_raw): Constify.
7512 (read_specs): Call memset, rather than bzero.
7513 (main): Call return, not exit.
7514 (lookup_compiler): Call memcpy, not bcopy.
7515 (fatal): Make extern.
7517 * cppspec.c: Include gcc.h.
7518 (lang_specific_driver): Initialize variable `quote'. Constify a
7519 char*. All calls to the function pointer parameter now
7520 explicitly call `fatal'.
7522 * gccspec.c (lang_specific_driver): Include gcc.h.
7524 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
7526 * arm.c (note_invalid_constants): Use recog_data.operand_type
7529 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7531 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
7534 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
7535 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7536 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7537 reload_secondary_in_reload, reload_secondary_out_reload,
7538 reload_secondary_in_icode, reload_secondary_out_icode,
7539 reload_reg_rtx, reload_when_needed): Delete declarations.
7540 (struct reload): New structure.
7541 (rld): Declare new array.
7542 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
7543 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7544 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7545 reload_secondary_in_reload, reload_secondary_out_reload,
7546 reload_secondary_in_icode, reload_secondary_out_icode,
7547 reload_reg_rtx, reload_when_needed): Delete definitions.
7549 (whole file): Replace uses of the deleted arrays with uses of rld.
7550 * reload1.c (whole file): Replace uses of the deleted arrays with
7552 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
7553 explicit loops, not with bcopy.
7555 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
7557 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
7558 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
7559 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
7560 insn_name): Delete and consolidate into new structures.
7561 (insn_operand_predicate_fn): New.
7562 (insn_output_fn): New.
7564 (struct insn_operand_data): New.
7565 (struct insn_data): New.
7567 (OUT_FCN): Update for insn_data change.
7568 * builtins.c (expand_builtin_strlen): Likewise.
7569 (expand_builtin_memcmp): Likewise.
7570 * combine.c (make_extraction, simplify_comparison): Likewise.
7571 * cse.c (canon_reg, cse_insn): Likewise.
7572 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
7573 * expmed.c (store_bit_field, extract_bit_field): Likewise.
7574 (emit_store_flag): Likewise.
7575 * expr.c (convert_move, emit_block_move): Likewise.
7576 (clear_storage, emit_push_insn, expand_increment): Likewise.
7577 (do_store_flag): Likewise.
7578 * expr.h (GEN_FCN): Likewise.
7579 (insn_gen_function): Die.
7580 * final.c (final_scan_insn): Update for insn_data change.
7581 (output_asm_name): Likewise.
7582 * function.c (fixup_var_refs_1): Likewise.
7583 * loop.c (check_dbra_loop): Likewise.
7584 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
7585 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
7586 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
7587 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
7588 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
7589 * regmove.c (gen_add3_insn): Likewise.
7590 * reload.c (push_secondary_reload, combine_reloads): Likewise.
7591 (find_reloads, find_reloads_address_1): Likewise.
7592 (debug_reload_to_stream): Likewise.
7593 * reload1.c (emit_reload_insns, gen_reload): Likewise.
7594 * stmt.c (expand_end_case): Likewise.
7595 * toplev.c (compile_file): Likewise.
7597 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7598 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7600 * print-rtl.c (insn_name_ptr): Remove declaration.
7601 (get_insn_name): Declare.
7602 (print_rtx): Use it.
7603 * genoutput.c (insn_name_ptr): Remove.
7604 (next_operand_number): New.
7605 (struct operand_data): New.
7606 (null_operand, odata, odata_end): New.
7607 (struct data): Use struct operand_data.
7608 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
7609 (get_insn_name): Renamed from name_for_index.
7610 (output_prologue): Define NO_MD_PROTOTYPES.
7611 (output_predicate_decls): Break out from output_epilogue.
7612 Iterate over the operands list.
7613 (output_operand_data): Break out from output_epilogue. Emit
7614 just the operands list.
7615 (output_insn_data): Break out from output_epilogue. Emit just
7617 (output_epilogue): Remove.
7618 (output_get_insn_name): New.
7619 (constraints, op_n_alternatives, predicates, address_p): Die.
7620 (modes, strict_low, seen): Die.
7621 (scan_operands): Take new param `d' instead of writing to
7622 seven global variables.
7623 (compare_operands): New.
7624 (place_operands): New.
7625 (validate_insn_alternatives): Update for struct data change.
7626 (gen_insn): Don't zero or copy 7 global arrays. Update for
7627 scan_operands; call place_operands.
7628 (gen_peephole, gen_expand, gen_split): Likewise.
7629 (main): Update for new output routines.
7631 * genattr.c (insn_name_ptr): Remove.
7632 (get_insn_name): New function.
7633 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
7634 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
7635 * genrecog.c: Likewise.
7637 * alpha.md (adddi3): Make `pattern' array static.
7639 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7641 * config/c4x/c4x.h (c4x_rpts_cycles_string,
7642 c4x_cpu_version_string): Constify char *.
7643 * config/c4x/c4x.c (c4x_rpts_cycles_string,
7644 c4x_cpu_version_string): Likewise.
7646 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
7648 * tree.c (save_tree_status): Revert 10 Sep change.
7649 (restore_tree_status): Likewise. Call obstack_free with NULL
7650 before freeing the obstack proper.
7652 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
7654 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
7656 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
7657 surrounding context.
7659 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
7661 * tree.c (type_hash_canon): Put all types in the hash-table, when
7664 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
7666 * recog.h (struct recog_data, recog_data): New.
7667 (recog_foo variables): Kill.
7668 * recog.c (recog_operand, recog_operand_loc): Kill.
7669 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
7670 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
7671 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
7672 (recog_data): Define.
7673 (extract_insn): Update all recog_foo references to use recog_data.
7674 (preprocess_constraints, constrain_operands): Likewise.
7675 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
7676 * genattrtab.c (main): Likewise.
7677 * genextract.c (main): Likewise.
7678 * genoutput.c: Likewise.
7679 * genrecog.c (write_subroutine, main): Likewise.
7680 * local-alloc.c (block_alloc): Likewise.
7681 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
7682 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
7683 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
7684 * reload.c (find_reloads, find_reloads_toplev): Likewise.
7685 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
7686 (reload_cse_simplify_operands): Likewise.
7688 * arc/arc.c (arc_final_prescan_insn): Likewise.
7689 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
7690 * h8300/h8300.c (notice_update_cc): Likewise.
7691 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
7692 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7693 * mn10200/mn10200.c (notice_update_cc): Likewise.
7694 * mn10300/mn10300.c (notice_update_cc): Likewise.
7695 * romp/romp.c (update_cc): Likewise.
7696 * sparc/sparc.c (check_pic): Likewise.
7697 * v850/v850.c (notice_update_cc): Likewise.
7699 * genemit.c (main): Don't declare recog_operand.
7701 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
7703 * ggc.h (rtvec_def): Forward declare.
7704 (tree_node): Likewise.
7707 (ggc_set_mark_rtx): Add prototype.
7708 (ggc_set_mark_rtvec): Likewise.
7709 (ggc_set_mark_tree): Likewise.
7710 * ggc-simple.c (ggc_root): Don't define.
7711 (roots): Don't declare.
7712 (ggc_mark_rtx): Remove.
7713 (ggc_mark_rtvec): Likewise.
7714 (ggc_mark_tree): Likewise.
7715 (ggc_mark_varray): Likewise.
7716 (ggc_mark_tree_hash_table_entry): Likewise.
7717 (ggc_mark_tree_hash_table): Likewise.
7718 (ggc_set_mart_rtx): New function.
7719 (ggc_set_mark_rtvec): Likewise.
7720 (ggc_set_mark_tree): Likewise.
7721 (ggc_add_root): Remove.
7722 (ggc_add_rtx_root): Likewise.
7723 (ggc_remove_tree_root): Likewise.
7724 (ggc_add_string_root): Likewise.
7725 (ggc_add_tree_varray_root): Likewise.
7726 (ggc_add_tree_hash_table_root): Likewise.
7727 (ggc_del_root): Likewise.
7728 (ggc_mark_rtx_ptr): Likewise.
7729 (ggc_mark_tree_ptr): Likewise.
7730 (ggc_mark_string_ptr): Likewise.
7731 (ggc_mark_tree_varray_ptr): Likewise.
7732 (ggc_mark_tree_hash_table_ptr): Likewise.
7733 * ggc-common.c: New file.
7734 * Makefile.in (OBJS): Add ggc-common.o.
7735 (ggc-common.o): List dependencies.
7737 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
7739 * cppalloc.c (xstrdup): Use memcpy.
7740 * cpperror.c (cpp_print_containing_files): Don't use
7742 * cpplib.c (conditional_skip): Set temp->lineno.
7743 (do_endif): Make error message less obscure.
7744 (if_directive_name): New function.
7745 (cpp_get_token [case EOF]): Unwind the if stack and generate
7746 error messages for each unterminated conditional in this file.
7747 (parse_string): Do not behave differently if -traditional.
7749 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
7751 * builtins.c (expand_builtin_va_arg): Cope with an array-type
7752 va_list decomposing to pointer-type.
7753 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
7754 (rs6000_va_arg): Likewise.
7756 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
7758 * except.c (start_dynamic_handler): Compute size using
7759 STACK_SAVEAREA_MODE.
7761 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7763 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
7764 include directory headers. Don't define strrchr. Don't provide
7765 my_* replacement functions. Prefer PTR over `pointer_type'.
7766 Don't prototype system functions. Don't redefine getopt.
7768 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
7769 safe_read, safe_write, save_pointers, restore_pointers,
7770 is_id_char, in_system_include_dir, directory_specified_p,
7771 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
7772 find_corresponding_lparen, referenced_file_is_newer,
7773 save_def_or_dec, munge_compile_params, gen_aux_info_file,
7774 process_aux_info_file, identify_lineno, check_source,
7775 seek_to_line, forward_to_next_token_char, output_bytes,
7776 output_string, output_up_to, other_variable_style_function,
7777 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
7778 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
7779 find_static_definition, connect_defs_and_decs, add_local_decl,
7780 add_global_decls, needs_to_be_converted, visit_each_hash_node,
7781 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
7782 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
7783 scan_for_missed_items, edit_file, string_list_cons): Add static
7785 (standard_exec_prefix, target_machine, target_version,
7786 default_syscalls_dir, string_list, string_list_cons, find_file,
7787 do_cleaning): Constify a char*.
7788 (safe_read, safe_write): Use PTR, not a char*.
7789 (is_id_char): Take an int, not a char.
7790 (main): Add prototype. Call return, not exit.
7792 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
7794 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
7795 when comparing types.
7797 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
7799 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
7800 (strength_reduce): Release the varrays from the no-bivs early exit.
7802 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
7803 the loop over the registers.
7805 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
7807 (restore_tree_status): Check that instead when freeing the obstack.
7809 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
7811 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
7814 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7816 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
7817 operand size modifiers.
7819 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7821 * c-common.c (c_common_nodes_and_builtins): Don't build
7823 * c-common.h (enum c_tree_index and related accesor macros): Remove
7824 everything now declared in tree.h.
7825 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7826 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
7827 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
7828 (error_mark_node, void_type_node, char_type_node, integer_type_node,
7829 unsigned_type_node, ptr_type_node, va_list_type_node,
7830 integer_zero_node, null_pointer_node, integer_one_node): Delete.
7831 (init_decl_processing): Call build_common_tree_nodes and
7832 build_common_tree_nodes_2 instead of building their nodes here.
7833 Don't add roots for these nodes.
7834 * stor-layout.c (size_zero_node, size_one_node): Delete.
7835 (set_sizetype): Make a new node for bitsizetype each time.
7836 * tree.c (global_trees): New variable.
7837 (init_obstacks): Add a gc root for it.
7838 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7839 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
7840 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
7841 (build_common_tree_nodes): New function.
7842 (fix_sizetype): New function.
7843 (build_common_tree_nodes_2): New function.
7844 * tree.h (enum tree_index): New.
7845 (global_trees): Declare.
7846 Add accessor macros for all nodes now moved to global_trees.
7847 Delete their declarations.
7849 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
7851 * c-decl.c (finish_function): When processing a nested function,
7852 push and pop GC context around rest_of_compilation.
7854 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
7856 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
7857 Default ix86_arch to PROCESSOR_I386.
7858 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
7859 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
7860 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
7861 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
7862 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
7863 (EXTRA_SPECS): Remove deleted specs.
7865 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
7867 * function.c (assign_stack_local_1): Allocate from
7868 function->x_frame_offset, not frame_offset.
7870 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
7872 * ggc.h (lang_cleanup_tree): Remove.
7873 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
7874 * ggc-callbacks.c (lang_cleanup_tree): Remove.
7876 * c-decl.c (finish_struct): Use ggc_alloc to allocate
7877 TYPE_LANG_SPECIFIC when garbage collecting.
7878 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
7879 (lang_cleanup_tree): Remove.
7881 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
7883 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
7884 * crtstuff.c: Not here.
7885 * dwarf2out.c: Or here.
7886 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
7889 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
7891 * function.h (free_after_compilation): Remove decl parameter.
7892 (free_varasm_status0: Likewise.
7893 (free_emit_status): Likewise.
7894 (free_stmt_status): Likewise.
7895 (free_after_compilation): Likewise.
7896 (init_lang_status): New variable.
7897 (free_lang_status): Likewise.
7898 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
7899 * function.c (init_lang_status): New variable.
7900 (free_lang_status): Likewise.
7901 (push_function_context_to): Don't set function::decl here.
7902 (free_after_copmilation): Make decl parameter implicit. Call
7903 free_lang_status if defined.
7904 (prepare_function_start): Call init_lang_status if defined.
7905 (init_function_start): Set function::decl here.
7906 * profile.c (output_func_start_profiler): Don't call pushdecl
7907 until we've actually started the function.
7908 * stmt.c (free_stmt_status): Make decl parameter implicit.
7909 * toplev.c (rest_of_compilation): Don't pass decl to
7910 free_after_compilation.
7911 * varasm.c (free_varasm_status): Likewise.
7913 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7915 * except.c (call_get_eh_context): Add root when allocating static
7918 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
7920 * arm.c: Include "ggc.h".
7921 (arm_add_gc_roots): New function.
7922 (arm_override_options): Call it.
7923 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
7925 * arm.md (define_asm_attributes): Add a pool_range attribute.
7927 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
7929 * extend.texi (Volatiles): New node.
7931 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
7933 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
7934 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
7935 (struct ggc_any): Replace `mark' with `magic_mark'.
7936 (ggc_alloc_string): Use memcpy, not bcopy.
7937 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
7938 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
7939 (ggc_free_any): New.
7940 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
7941 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
7942 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
7943 Use IS_MARKED. Use ggc_free_any.
7945 1999-09-09 Scott Bambrough <scottb@netwinder.org>
7947 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
7949 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
7951 * toplev.c (main): Always init_ggc.
7953 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
7955 * except.c (find_all_handler_type_matches): Free the list if
7956 we found no matches.
7958 * combine.c (SUBST): Break out to a real function do_SUBST.
7959 (SUBST_INT): Likewise.
7960 * gcse.c (free_pre_mem): Free `temp_bitmap'.
7961 (pre_insert): Free `inserted'.
7962 * loop.c (basic_induction_var): Always set `location'.
7964 * function.c (expand_function_end): Add initial_trampoline as a root.
7965 * rtl.h (init_varasm_once): Declare.
7966 * toplev.c (compile_file): Call it.
7967 * ggc-simple.c (ggc_mark_string_ptr): New.
7968 (ggc_add_string_root): New.
7969 (ggc_collect): Disable collection avoidance temporarily.
7970 * ggc.h (ggc_add_string_root): Declare.
7971 * except.c (create_rethrow_ref): Use ggc_alloc_string.
7972 * optabs.c (init_libfuncs): Likewise.
7973 * varasm.c (named_section): Use ggc_alloc_string.
7974 (make_function_rtl): Likewise.
7975 (make_decl_rtl): Likewise.
7976 (assemble_static_space): Likewise.
7977 (assemble_trampoline_template): Likewise.
7978 (output_constant_def): Likewise.
7979 (force_const_mem): Likewise.
7980 (mark_const_hash_entry): New.
7981 (mark_pool_sym_hash_table): New.
7982 (mark_varasm_state): Use it.
7983 (init_varasm_once): New.
7985 * expr.h (init_one_libfunc): Declare.
7986 * optabs.c (init_one_libfunc): New.
7987 (init_optabs): Use it.
7988 * config/gofast.h: Likewise.
7989 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
7990 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
7992 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
7994 * Makefile.in (cppexp.o): Depend on cpphash.h.
7995 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
7997 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
7998 * cpplib.c (do_define): Generalise to handle poisoned definitions,
7999 redefining poisoned identifiers, etc.
8000 (do_undef): Don't allow poisoned identifiers to be undefined.
8001 (do_pragma): Add #pragma poison.
8002 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
8004 * cccp.c: Add T_POISON node type.
8005 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
8007 (do_define): Generalise to handle poisoned definitions,
8008 redefining poisoned identifiers, etc.
8009 (do_undef): Don't allow poisoned identifiers to be undefined.
8010 (do_pragma): Add #pragma poison.
8011 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
8013 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
8014 * c-pragma.h: Add ps_poison state. We now always have generic
8017 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
8019 * ggc.h (ggc_alloc): New function.
8020 (ggc_mark): Likewise.
8021 * ggc-simple.c (ggc_any): New structure.
8022 (ggc_status): Add anys.
8023 (n_anys_collected): New variable.
8024 (ggc_alloc): Define.
8025 (ggc_mark): Likewise.
8026 (ggc_collect): Collect the anys.
8028 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8030 * c-decl.c (mark_binding_level): Make static to match prototype.
8032 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
8034 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
8036 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
8038 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
8039 will use into account. Expand the max width to 5.
8042 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
8044 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
8047 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
8049 * alpha.md (call value patterns): Remove the result predicates.
8051 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
8053 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
8056 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8058 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
8059 changed from extern char *, to extern PTR. Also fix typo in
8060 NEED_DECLARATION_REALLOC test.
8062 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
8064 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8066 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
8067 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
8068 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
8069 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
8071 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
8073 * cccp.c (pcfinclude): Likewise.
8075 * global.c (allocno_compare): Likewise.
8077 * haifa-sched.c (rank_for_schedule): Likewise.
8079 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
8081 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
8083 * stupid.c (stupid_reg_compare): Likewise.
8085 * tree.c (_obstack_allocated_p): Likewise.
8087 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
8089 1999-09-08 Bruce Korb autogen@linuxbox.com
8091 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
8092 why "gperf -F" fails.
8093 * gcc/cp/Makefile.in: ditto
8094 * gcc/Makefile.in: ditto
8095 * gcc/java/Makefile.in: ditto
8097 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
8099 * lists.c: Include ggc.h.
8101 (init_EXPR_INSN_LIST_cache): Install it.
8103 * ggc-simple.c (init_ggc): Absorb the old init.
8104 (ggc_push_context): Use xcalloc.
8105 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
8106 (ggc_collect): Add [rvts] tags to the collection stats.
8108 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
8110 * cccp.c (main): Fix handling of -include and -imacros options.
8112 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
8114 * cpplib.c (cpp_push_buffer): Fix order of arguments.
8116 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8118 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
8121 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8123 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
8124 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
8125 and SET_DEST. Update comment.
8127 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8129 * config/c4x/c4x.c: Include ggc.h.
8130 (c4x_add_gc_roots): New function.
8131 (c4x_override_options): Call c4x_add_gc_roots.
8133 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
8135 * defaults.h (TARGET_ESC): Move ...
8136 * system.h: ... here, where Linas had it in the first place. Silly me.
8138 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
8140 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
8141 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
8142 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
8143 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
8144 * defaults.h (TARGET_ESC): Add default.
8146 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
8148 * configure.in: add i370-*-openedition, i370-*-mvs and
8149 i370-*-linux targets
8151 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
8153 * dsp16xxx.c: Include ggc.h
8154 (override_options): Mark GC roots.
8155 * mn10200.c: Include ggc.h.
8156 (asm_file_start): Mark GC roots.
8157 * tahoe.c: Include ggc.h.
8158 (extensible_operand): Mark GC roots.
8160 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
8162 * README: Add section discussing status of ELF ABI.
8163 * i370.c: Fix misc spelling mistakes.
8164 (i370_label_scan): Updated notes, exception handling.
8165 (i370_function_prolog): Simplify ELF stack handling.
8166 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
8167 (STACK_GROWS_DOWNWARD): ELF stack grows down.
8168 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
8169 * i370.md: (movdi): Add notes.
8170 (floatsidf2): Use stack not rtca for scratch float area.
8171 (iorsi3): Correct operand constraints.
8172 * x-oe: Restore TAROUTOPTS which are used by pax.
8174 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
8176 * rs6000.c: Include ggc.h.
8177 (rs6000_add_gc_roots): New function.
8178 (override_options): Call it.
8180 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
8182 * alpha.h (alpha_compare): New.
8183 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
8184 * alpha.c: Likewise for the definitions.
8185 (alpha_emit_conditional_branch): Update for alpha_compare.
8186 (alpha_emit_conditional_move): Likewise.
8187 * alpha.md (cmpdf, cmpdi): Likewise.
8188 (setcc patterns): Likewise. Zero alpha_compare after use.
8189 (sne): Optimize (x != 0) into (0U < x).
8191 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
8193 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
8194 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
8195 (INIT_EXPANDERS): Remove.
8196 * alpha.c: Include ggc.h.
8197 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
8198 (alpha_init_machine_status, alpha_mark_machine_status): New.
8199 (override_options): Install them.
8200 (struct machine_function): Moved to alpha.h.
8201 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
8202 (alpha_init_expanders): Remove.
8203 (alpha_return_addr): Adjust to use current_function->machine.
8204 (alpha_ra_ever_killed): Likewise.
8205 (alpha_expand_epilogue): Likewise.
8206 * alpha.md (eh_epilogue): Likewise.
8208 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
8209 Melissa O'Neill <oneill@cs.sfu.ca>
8210 Geoffrey Keating <geoffk@cygnus.com>
8212 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
8213 call-used registers (call-saved registers must still be contiguous
8214 and end with r31, of course).
8216 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
8218 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
8219 (self_promoting_type_p): Delete.
8220 (self_promoting_args_p): Move ...
8221 * c-common.c: ... here.
8222 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
8223 (simple_type_promotes_to): New.
8224 * builtins.c (lang_type_promotes_to): New.
8225 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
8226 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
8227 * c-common.h: ... here.
8228 (self_promoting_args_p, simple_type_promotes_to): Declare.
8229 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
8230 (grokdeclarator): Likewise.
8231 * tree.h (lang_type_promotes_to): Declare.
8233 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
8235 Add some machine-dependent GC roots.
8236 * sparc.c: Include ggc.h.
8237 (sparc_add_gc_roots): New function.
8238 (mark_ultrasparc_pipeline_state): Likewise.
8239 (override_options): Call sparc_add_gc_roots.
8240 * pa.c: Include ggc.h.
8241 (pa_add_gc_roots): New function.
8242 (mark_deferred_plabels): Likewise.
8243 (override_options): Call pa_add_gc_roots.
8244 * mips.c: Include ggc.h.
8245 (mips_add_gc_roots): New function.
8246 (override_options): Use it.
8248 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8250 * cpperror.c (cpp_file_line_for_message): Constify a char*.
8252 * cppexp.c (parse_number, parse_charconst, cpp_lex,
8253 cpp_parse_expr): Add static prototypes.
8254 (parse_charconst): Don't cast away const-ness.
8255 (token): Constify a char*.
8257 * cppfiles.c (file_name_list, include_hash, find_include_file,
8258 finclude, initialize_input_buffer): Constify a char*.
8259 (file_cleanup, find_position): Add static prototypes.
8261 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
8262 collect_expansion): Add static prototypes.
8263 (cpp_install, create_definition, monthnames): Constify a char*.
8265 * cpphash.h (cpp_install): Likewise.
8267 * cppinit.c (known_suffixes, default_include,
8268 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
8269 (base_name, dump_special_to_buffer, initialize_dependency_output):
8270 Add static prototypes.
8272 * cpplib.c (my_strerror): Constify a char*.
8273 (null_underflow, null_cleanup, skip_comment, copy_comment,
8274 copy_rest_of_line, handle_directive, pass_thru_directive,
8275 get_directive_token, read_line_number, cpp_print_file_and_line,
8276 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
8277 v_cpp_warning_with_line, detect_if_not_defined,
8278 consider_directive_while_skipping): Add static prototypes.
8279 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
8280 cpp_pedwarn_with_file_and_line): Constify a char*.
8282 * cpplib.h (cpp_options, include_hash, progname, definition,
8283 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
8284 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
8285 find_include_file, deps_output, include_hash): Constify a char*.
8287 * cppmain.c (progname): Constify.
8288 (main): Add prototype. Use return, not exit.
8290 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
8291 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
8292 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
8293 check_protection): Add static prototype.
8295 (progname, recognized_macrom, recognized_extern): Constify a char*.
8296 (main): Add prototype.
8298 * gen-protos.c (progname): Constify a char*.
8300 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
8302 * emit-rtl.c (free_emit_status): Take decl as a parameter.
8303 (init_emit_once): Add more GC roots.
8304 * except.c (mark_func_eh_entry): New function.
8305 (mark_eh_node): Mark false_label and rethrow_label.
8306 (init_eh): Add more GC roots.
8307 * function.c (free_after_compilation): Take decl as a paramter.
8308 Call free_stmt_status.
8309 (mark_function_state): Don't assume x_parm_reg_stack_loc is
8311 * function.h (free_after_compilation): Change prototype.
8312 (free_varasm_status): Likewise.
8313 (free_emit_status): Likewise.
8314 (free_stmt_status): New function.
8315 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
8316 Remove, replacing with ...
8317 (ggc_status): New structure.
8318 (ggc_chain): New variable.
8320 (ggc_push_context): New function.
8321 (ggc_pop_context): Likewise.
8322 (ggc_alloc_rtx): Adjust for use of ggc_chain.
8323 (ggc_alloc_rtvec): Likewise.
8324 (ggc_alloc_tree): Likewise.
8325 (ggc_alloc_string): Likewise.
8326 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
8327 (ggc_mark_tree): Give language-dependent code a chance to mark
8329 (ggc_mark_tree_varray): Handle empty arrays.
8330 (ggc_collect): Adjust for use of ggc_chain. Clear
8331 bytes_alloced_since_last_gc.
8332 * ggc.h (ggc_pop_context): New function.
8333 (ggc_push_context): Likewise.
8334 * print-tree.c (print_node): Don't print obstacks when GC'ing.
8335 * stmt.c (free_stmt_status): New function.
8336 (init_stmt_for_function): Clear last_expr_value.
8337 * toplev.c (rest_of_compilation): Always call free_after_compilation.
8338 Conditionalize call to ggc_collect.
8339 (main): Call init_ggc.
8340 * tree.c (push_obstacks): Do the push, even when GC'ing.
8341 (push_obstacks_nochange): Likewise.
8342 (pop_obstacks): Liekwise.
8343 * varasm.c (free_varasm_status): Take decl as a parameter.
8345 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
8347 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
8348 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
8349 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
8350 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
8352 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
8354 * pa/x-pa-mpeix: New file for the MPE port.
8356 * pa/quadlib.asm: New file for long double support.
8358 * configure.in: Add hppa1.0-*-mpeix for MPE port.
8359 * configure: Rebuilt.
8361 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
8363 * final.c (shorten_branches): Fix last change.
8365 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
8367 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
8369 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
8371 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
8374 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8376 * c-aux-info.c (concat): Don't define.
8378 * cccp.c (my_strerror): Likewise. All callers changed to use
8380 (do_include): Call xstrdup, not xmalloc/strcpy.
8381 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
8382 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
8384 * collect2.c (my_strsignal): Likewise. All callers changed to use
8386 (locatelib): Call xstrdup, not xmalloc/strcpy.
8388 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
8390 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
8392 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
8394 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
8396 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
8398 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
8400 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
8402 (find_all_handler_type_matches): Likewise. Don't check return
8404 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
8405 xmalloc, not malloc.
8406 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
8408 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
8409 (init_spec): Call xcalloc, not xmalloc/bzero.
8410 (set_spec): Call xstrdup, not save_string.
8411 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
8412 (find_a_file): Call xstrdup, not xmalloc/strcpy.
8413 (process_command): Call xstrdup, not save_string.
8414 (main): Call xcalloc, not xmalloc/bzero.
8416 * gcov.c (xmalloc): Don't define.
8417 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
8418 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
8419 (output_data): Call xcalloc, not xmalloc/bzero.
8421 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
8423 * mips-tdump.c (xmalloc): Don't define.
8424 (print_symbol): Call xmalloc, not malloc.
8425 (read_tfile): Call xcalloc, not calloc.
8427 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
8428 Don't define. All callers of xfree/my_strsignal changed to use
8429 free/strsignal instead.
8430 (allocate_cluster): Call xcalloc, not calloc.
8432 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
8433 Fix memory leak, free allocated memory.
8435 * prefix.c (translate_name): Call xstrdup, not save_string.
8436 (update_path): Likewise.
8438 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
8440 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
8441 Don't define. Callers of xfree/savestring2 changed to use
8442 free/concat instead.
8444 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
8445 (init_elim_table): Likewise.
8447 * resource.c (init_resource_info): Likewise.
8449 * stupid.c (stupid_life_analysis): Likewise.
8451 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
8452 (open_dump_file): Call concat, not xmalloc/strcpy/...
8453 (clean_dump_file): Likewise.
8454 (compile_file): Call xstrdup, not xmalloc/strcpy.
8456 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
8458 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
8459 * v850.c (v850_va_arg): New.
8461 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8463 * haifa-sched.c: Tidy comments.
8465 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8467 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
8468 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
8469 $(out_object_file)): Depend on ggc.h.
8470 * c-common.c: Include "ggc.h".
8471 (combine_strings): If doing GC, use ggc_alloc_string.
8472 * c-decl.c: Include "ggc.h".
8473 (ggc_p): Define with value 0.
8474 (mark_binding_level): New function.
8475 (init_decl_processing): Add GC roots.
8476 (mark_c_function_context): New function.
8477 (lang_mark_false_label_stack): New function.
8478 (lang_mark_tree): New function.
8479 (lang_cleanup_tree): New function.
8480 * c-lang.c: Include "ggc.h".
8481 (lang_init): Call c_parse_init.
8482 * c-lex.c: Include "ggc.h".
8483 (check_linenum): If doing GC, don't copy filenames to permanent
8485 * c-parse.in: Include "ggc.h".
8486 (c_parse_init): New function.
8487 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
8488 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
8490 * except.c (mark_eh_state): Mark more state.
8491 * function.c (mark_function_state): Likewise.
8492 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
8493 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
8494 * toplev.c (mark_file_stack): New function.
8495 (compile_file): If doing GC, use ggc_alloc_string on input filename.
8496 (main): Add root for input_file_stack.
8498 * i386.c: Include "ggc.h".
8499 (ix86_mark_machine_status): New function.
8500 (override_options): Set mark_machine_status.
8502 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8504 * tree.c (copy_node): Copy node contents also if doing GC.
8506 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8508 * collect2.c (scan_libraries): Fix double-thinko :-).
8510 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
8512 * collect2.c (scan_libraries): Fix thinko.
8514 * cse.c (delete_trivially_dead_insns): Do not skip the last
8515 insn if it is a real insn.
8517 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
8519 * Makefile.in (ggc-simple.o): Depend on hash.h.
8520 * ggc.h (ggc_add_tree_hash_table_root): Declare.
8521 (ggc_mark_tree_varray): Likewise.
8522 (ggc_mark_tree_hash_table): Likewise.
8523 * ggc-simple.c: Include hash.h.
8524 (ggc_mark_tree_hash_table_ptr): New function.
8525 (ggc_mark_tree_hash_table_entry): Likewise.
8526 (ggc_mark_tree_hash_table): Likewise.
8527 (ggc_add_tree_hash_table_root): Likewise.
8528 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
8529 rtx, when defining fields.
8531 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8533 * profile.c (output_func_start_profiler): Remove apparently
8534 nonsensical call to start_sequence.
8536 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
8538 * clipper/clipper.c (clipper_va_start): Fix typos.
8540 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
8541 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
8542 (spur_va_arg): New stub.
8544 * configure.in: Comment out pyramid.
8546 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
8548 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
8549 don't conflict with the bits that win32, cygwin, and dgux
8552 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
8553 Bernd Schmidt <bernds@cygnus.co.uk>
8555 * integrate.c (function_cannot_inline_p): Do not inline
8556 functions with forced labels.
8558 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
8559 Bernd Schmidt <bernds@cygnus.co.uk>
8560 Mark Mitchell <mark@codesourcery.com>
8562 * Makefile.in (ggc-simple.o): Depend on varray.h.
8563 (rtl.o): Depend on ggc.h.
8564 (genattrtab.o): Depend on ggc.h.
8565 (print-tree.o): Likewise.
8566 (fold-const.o): Likewise.
8567 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
8568 (make_insn_raw): Don't cache insns when GC'ing.
8569 (emit_insn_before): Likewise.
8570 (emit_insn_after): Likewise.
8571 (emit_insn): Likewise.
8572 (start_sequence): Use xmalloc to allocate the sequence_stack.
8573 (end_sequence): Add free to free it.
8574 (gen_sequence): Don't cache insns when GC'ing.
8575 (clear_emit_caches): Don't use sequence_element_free_list.
8576 (init_emit): Use xcalloc, not xmalloc+bzero.
8577 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
8578 * function.c (pop_function_context_from): Use free to free the
8579 fixup_var_refs_queue.
8580 (put_reg_into_stack): Allocate it with xmalloc.
8581 * genattrtab.c: Include ggc.h.
8582 (operate_exp): Don't use obstack_free when GC'ing.
8583 (simplify_cond): Likewise.
8584 (simplify_text_exp): Likewise.
8585 (optimize_attrs): Likewise.
8586 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
8588 (gencode): Generate a #include for ggc.h.
8589 * ggc-callbacks.c (ggc_p): Define it to zero.
8590 * ggc-none.c (ggc_p): Likewise.
8591 * ggc-simple.c: Include varray.h.
8592 (ggc_mark_tree_varray): New function.
8593 (ggc_add_tree_varray_root): Likewise.
8594 (ggc_mark_tree_varray_ptr): Likewise.
8595 * ggc.h (ggc_p): Declare.
8596 (varray_head_tag): Likewise.
8597 (ggc_add_tree_varray_root): Declare.
8598 * print-tree.c (print_node): Don't check for TREE_PERMANENT
8599 inconsistencies when GC'ing.
8600 * rtl.c: Include ggc.h.
8601 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
8602 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
8603 (rtx_free): Don't call obstack_free when GC'ing.
8604 * toplev.c (rest_of_compilation): Call ggc_collect after every
8606 * tree.c (push_obstacks): Do nothing, if GC'ing.
8607 (pop_obstacks_nochange): Likewise.
8608 (pop_obstacks): Likewise.
8609 (make_node): Use ggc_alloc_tree when GC'ing.
8610 (copy_node): Likewise.
8611 (get_identifier): Use ggc_alloc_string when GC'ing.
8612 (build_string): Likewise.
8613 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
8614 (tree_cons): Likewise.
8616 (type_hash_canon): Don't call obstack_free when GC'ing.
8618 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
8620 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
8621 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
8623 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
8624 Bernd Schmidt <bernds@cygnus.co.uk>
8625 Mark Mitchell <mark@codesourcery.com>
8627 * Makefile.in (stor-layout.o): Depend on ggc.h.
8628 (expr.o): Depend on ggc.h.
8629 (profile.o): Depend on ggc.h.
8630 (stor-layout.o): Depend on ggc.h.
8631 * emit-rtl.c (init_emit_once): Add gc roots.
8632 * expr.c: Include ggc.h.
8633 (emit_block_move): Add gc roots.
8634 (clear_storage): Likewise.
8635 * expr.h (init_stor_layout_once): New function.
8636 * profile.c: Include ggc.h.
8637 (init_arc_profiler): profiler_label is a root.
8638 * scan.c (make_sstring_space): Trust xrealloc to function
8639 correctly with first parameter NULL.
8640 * stor-layout.c: Include ggc.h.
8641 (set_sizetype): Add gc root.
8642 (init_stor_layout_once): New function.
8643 * toplev.c (compile_file): Call it.
8645 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
8646 Bernd Schmidt <bernds@cygnus.co.uk>
8647 Mark Mitchell <mark@codesourcery.com>
8649 * Makefile.in (tree.o): Depend on ggc.h.
8650 (varasm.o): Likewise.
8651 (function.o): Likewise.
8653 (except.o): Likewise.
8654 (optabs.o): Likewise.
8655 (emit-rtl.o): Likewise.
8656 * emit-rtl.c: Include ggc.h.
8657 (sequence_element_free_list): Remove, and all references.
8658 (mark_sequence): New functions.
8659 (mark_emit_state): New function.
8660 * except.c: Include ggc.h.
8661 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
8662 (mark_tree_label_node): New functions.
8663 (mark_eh_state): New function.
8664 * function.c: Include ggc.h.
8665 (mark_temp_slot, mark_function_chain): New functions.
8666 (mark_function_state): New function.
8667 (init_function_once): New function.
8668 * function.h (init_function_once): New function.
8669 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
8670 * ggc.h (label_node): Declare.
8671 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
8672 (lang_mark_false_label_stack): New function.
8673 (mark_temp_slot): Remove declaration.
8674 (mark_function_chain): Likewise.
8675 (mark_eh_state): Adjust prototype.
8676 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
8678 * optabs.c: Include ggc.h.
8679 (mark_optab): New function.
8680 (init_optabs): Add gc roots.
8681 * stmt.c: Include ggc.h.
8682 (mark_cond_nesting, mark_loop_nesting): New functions.
8683 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
8684 (mark_stmt_state): New function.
8685 * toplev.c (compile_file): Call init_function_once.
8686 * tree.c: Include ggc.h.
8687 (type_hash): Move declaration earlier in file.
8688 (TYPE_HASH_SIZE, type_hash_table): Likewise.
8689 (init_obstacks): Add gc roots.
8690 (mark_type_hash): New function.
8691 * varasm.c: Include ggc.h.
8692 (mark_pool_constant): New function.
8693 (mark_varasm_state): New function.
8695 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8697 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
8699 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8701 * c-decl.c (struct language_function): Renamed from struct c_function.
8703 (c_function_chain): Delete.
8704 (push_c_function_context): New arg F. Don't warn about nested
8705 functions here. Fill LANGUAGE elt of F. Delete code to update
8706 c_function_chain. Don't call push_function_context.
8707 (pop_c_function_context): New arg F. Restore from there instead of
8708 from c_function_chain. Don't call pop_function_context. Clear out
8709 LANGUAGE field of F when done.
8710 * c-lang.c: Include "function.h"
8711 (lang_init): Initialize save_lang_status and restore_lang_status.
8712 * c-parse.in (nested_function, nested_function_notype): Warn about
8713 nested functions. Call push_function_context/pop_function_context
8714 instead of the _c_ variants.
8715 * c-tree.h (push_c_function_context, pop_c_function_context): Update
8717 * Makefile.in (c-lang.o): Update dependencies.
8719 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
8720 regno_pointer_flag, regno_pointer_align.
8721 (gen_reg_rtx): Use xrealloc to enlarge them.
8722 (free_emit_status): New function.
8723 * function.c (mark_machine_status, mark_lang_status): New variables.
8724 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
8725 in some bits from assign_stack_local. All callers changed to use new
8727 (assign_stack_local): Just call assign_stack_local_1.
8728 (free_after_compilation): New function.
8729 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
8730 (trampoline_address): Likewise.
8731 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
8732 (prepare_function_start): Explicitly clear some more variables.
8733 * function.h (struct function): New elt can_garbage_collect.
8734 (mark_machine_status, mark_lang_status): Declare variables.
8735 (free_after_compilation, free_emit_status, free_varasm_status,
8736 init_varasm_status): Declare functions.
8737 * toplev.c (rest_of_compilation): Call free_after_compilation when
8738 done with the current function.
8739 * varasm.c (free_varasm_status): New function.
8741 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
8743 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
8744 (EXPAND_BUILTIN_VA_ARG): Define.
8745 * sparc.c (sparc_va_start): New.
8746 (sparc_va_arg): New.
8748 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8750 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
8752 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8754 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
8756 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
8758 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
8760 (ggc-callbacks.o): New target.
8761 * ggc-callbacks.c: New file.
8763 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8765 * expr.h: Collapse individual optab and libfunc vars to arrays.
8766 (optab_index, libfunc_index): New enumerations.
8767 (optab_table, libfunc_table): New arrays.
8768 Add accessor macros for both.
8770 * optabs.c (optab_table, libfunc_table): New.
8771 Delete declarations for individual optab and libfunc vars.
8773 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
8775 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
8777 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8779 * Makefile.in (GGC, GGC_LIB): New.
8780 (HOST_RTL): Include ggc-none.o.
8781 (ggc-simple.o): New target.
8782 (ggc-none.o): Likewise.
8783 * tree.h (tree_common): Add gc_mark.
8784 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
8785 (struct rtvec_def): Add gc_mark.
8786 * emit-rtl.c (global_rtl): Update static initializers to contain
8787 enough initializers.
8788 * ggc.h, ggc-none.c, ggc-simple.c: New files.
8789 * toplev.c (gc_time): New variable.
8790 (all_time): New variable.
8791 (compile_file): Print gc time.
8792 (print_time): Calculate percentage of the whole.
8794 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8796 Change obstack memory management and varasm constant pool handling so
8797 that nested functions are treated like any other functions.
8798 * function.c (init_machine_status): New variable.
8799 (push_function_context_to): Set contains_functions for the outer
8800 function. Don't call save_varasm_status.
8801 (pop_function_context_from): Don't call restore_varasm_status. Don't
8802 set current_function_contains_functions.
8803 (prepare_function_start): Call init_varasm_status rather than
8804 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
8806 * function.h (struct function) Add field varasm. Delete fields
8807 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
8808 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
8809 (init_machine_status): Declare.
8810 (save_varasm_status, restore_varasm_status): Delete declarations.
8811 (save_tree_status, restore_tree_status): Delete last argument.
8812 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
8813 code. All callers changed.
8814 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
8815 save_constants_in_decl_trees, restore_constants, save_constants,
8816 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
8818 (inlining): New variable.
8819 (reg_map, label_map, insn_map, orig_asm_operands_vector,
8820 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
8822 (save_for_inline_nocopy): Don't save constants.
8823 Don't set inl_emit field in current_function.
8824 (expand_inline_function): Use emit field, not inl_emit, of the inlined
8825 function. Set new variable inlining before
8826 calling copy_rtx_and_substitute.
8827 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
8828 constant pool references if inlining is nonzero.
8829 Delete ADDRESS and (most of the) CONST cases.
8830 (output_inline_function): Save and restore current_function/
8831 current_function_decl. Delete restore_constants code. Don't call
8832 init_const_rtx_hash_table.
8833 * output.h (init_const_rtx_hash_table): Don't declare.
8834 * rtl.h (struct function): Declare.
8835 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
8836 * toplev.c (rest_of_compilation): Don't treat nested functions or
8837 functions containing them specially. Delete all code to deal with
8838 save_for_inline_copying.
8839 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
8840 inline_obstacks): Delete variables.
8841 (save_tree_status): Lose arg CONTEXT. All callers changed.
8842 Simply allocate a new function_maybepermanent_obstack for the new
8843 function, delete all the special cases.
8844 Don't save inline_obstacks.
8845 (restore_tree_status): Lose arg CONTEXT. All callers changed.
8846 Delete special handling for function_maybepermanent_obstack; simply
8848 Don't restore inline_obstacks.
8849 (permanent_allocation): Delete code that frees inline_obstacks.
8850 (print_inline_obstack_statistics): Delete function.
8851 (dump_tree_statistics): Don't call it.
8852 * varasm.c (struct varasm_status): New.
8853 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
8854 last_pool, pool_offset, const_double_chain): Delete global
8855 variables, replace with accessor macros.
8856 (immed_double_const): Don't walk const_double_chain outside a
8857 function, but don't treat nested functions specially anymore.
8858 (immed_real_const_1): Likewise.
8859 (clear_const_double_mem): Don't treat nested functions specially.
8860 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
8861 (save_varasm_status, restore_varasm_status): Delete functions.
8862 (init_varasm_status): New function.
8863 (force_const_mem): Don't treat nested functions specially.
8864 (find_pool_constant): Accept new arg F, search for constants in
8865 that function's pool rather than the current one. All callers
8867 (get_pool_constant_for_function, get_pool_mode_for_function): New
8870 * i386.c (init_386_machine_status): New function, mostly from
8871 clear_386_stack_locals.
8872 (struct machine_functions): Rename element names to avoid name
8874 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
8875 macros, replacing global variables.
8876 (clear_386_stack_locals, save_386_machine_status,
8877 restore_386_machine_status): Delete functions.
8878 (override_options): Initialize init_machine_status.
8879 * i386.h (INIT_EXPANDERS): Delete macro.
8880 (save_386_machine_status, restore_386_machine_status,
8881 clear_386_stack_locals): Delete declarations.
8883 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8885 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
8886 (doloop_begin): Simplify pattern and use emit_jump_insn.
8887 (doloop_end): Simplify pattern, switch operand order,
8888 and use emit_jump_insn.
8890 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8892 * function.h (struct function): Add new element LANGUAGE.
8893 (save_lang_status): Declare new variable.
8894 (restore_lang_status): Likewise.
8895 * function.c (save_lang_status): Define.
8896 (restore_lang_status): Likewise.
8897 (push_function_context_to): Call language-specific save function.
8898 (pop_function_context_from): Call language-specific restore function.
8900 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8902 * i386.md (movsf_1): Check REG_P before use of REGNO.
8903 (movdf_1): Likewise.
8904 (movxf_1): Likewise.
8905 (extendsfdf2): Likewise.
8906 (extendsfxf2): Likewise.
8907 (extenddfxf2): Likewise.
8909 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8911 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
8912 constants into memory.
8913 (c4x_shiftable_constant): New function.
8914 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
8915 (c4x_shiftable_constant): Declare.
8916 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
8917 ashlqi3_noclobber): Add new patterns and associated splitters.
8919 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
8921 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
8922 * dwarf2out.c (dwarf2out_frame_init): Likewise.
8923 * final.c (shorten_branches): Likewise.
8924 * global.c (global_alloc): Likewise.
8925 * haifa-sched.c (build_control_flow): Likewise.
8926 * stmt.c (check_for_full_enumeration_handling): Likewise.
8927 (estimate_case_costs): Likewise.
8929 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
8931 * rtl.h (RTL_CHECKC2): Fix typo in last change.
8933 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
8935 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
8936 (recompute_reg_usage): Likewise.
8937 * rtlanal.c (find_regno_fusage): Likewise.
8939 * rtl.c (rtl_check_failed_code1): New function.
8940 (rtl_check_failed_code2): New.
8941 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
8942 (RTL_CHECKC1, RTL_CHECKC2): New.
8943 (XC*): New accessor macros.
8944 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
8945 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
8946 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
8947 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
8948 (TRAP_*, RANGE_INFO_*): Likewise.
8950 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8952 * Makefile.in (tlink.o): Don't depend on toplev.h.
8954 * collect2.c (c_file, o_file, export_file, import_file, ldout,
8955 output_file, nm_file_name, ldd_file_name, strip_file_name,
8956 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
8957 add_prefix, prefix_from_env, prefix_from_string, do_wait,
8958 fork_execute, maybe_unlink, add_to_list,
8959 extract_init_priority, write_list, dump_list,
8960 dump_prefix_list, write_list_with_asm, write_c_file,
8961 write_c_file_stat, write_c_file_glob, scan_prog_file,
8962 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
8963 ignore_library, extract_string, notice, dump_file, target_machine,
8964 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
8965 read_file, print_load_command): Constify a char*.
8966 (fdopen, error, fatal, fatal_perror): Don't prototype.
8967 (my_strerror): Remove. All callers use xstrerror instead.
8968 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
8969 (main): Add prototype. Constify lots of char* ptrs. Change calls
8970 to xcalloc/strcpy/strcat/... to one call to concat.
8971 (main, scan_prog_file, scan_libraries): Use an intermediate
8972 `const char **' to build an argv array.
8973 (mapfile, libselect, libcompare, locatelib): Add prototypes.
8975 * collect2.h (collect_execute, collect_wait, dump_file,
8976 file_exists): Constify a char*.
8977 (ldout, c_file_name, temporary_obstack, permanent_obstack,
8978 temporary_firstobj, vflag, debug): Add extern declarations.
8979 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
8981 * tlink.c: Don't include toplev.h.
8982 (vflag, debug, ldout, c_file_name, temporary_obstack,
8983 permanent_obstack, temporary_firstobj): Don't declare.
8984 (tlink_execute, frob_extension, symbol_hash_lookup,
8985 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
8986 recompile_files, read_repo_files, demangle_new_symbols,
8987 scan_linker_output): Constify a char*.
8988 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
8989 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
8991 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
8993 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
8994 (relative) rather than jsr (absolute) subroutine call insns.
8995 * config/m68k/m68k-coff.h: Ditto.
8997 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
8999 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
9000 now rework these too.
9001 (arm_reorg): If an insn can't reach the end of the current pool,
9002 ensure that we emit that pool before the insn.
9004 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
9006 * tlink.c (scan_linker_output): Skip the initial underscore in
9007 a mangled name if appropriate.
9009 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9011 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
9012 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
9013 error_with_ivar, gen_declarator, create_builtin_decl,
9014 my_build_string, generate_descriptor_table, generate_ivars_list,
9015 generate_dispatch_table, check_protocols, TAG_GETCLASS,
9016 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
9017 dump_base_name, lang_decode_option, build_encode_expr,
9018 start_class, finish_class, encode_pointer, really_start_method,
9019 gen_declaration, dump_interface, handle_class_ref, handle_impent):
9021 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
9022 Add static prototypes.
9023 (build_objc_string_decl, build_selector_reference_decl,
9024 encode_bitfield, build_class_reference_decl): Remove unused
9025 parameter, all callers changed.
9026 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
9027 (objc_printable_name): Likewise. Change second parameter to type int.
9028 (init_objc): Use memcpy, not bcopy, to avoid casts.
9030 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
9032 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
9033 reg notes on a deleted insn.
9034 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
9036 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
9038 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
9040 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9042 * stmt.c (expand_asm_operands): Fix index into inout_mode when
9045 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
9047 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
9048 * tm.texi (MD_ASM_CLOBBERS): Document it.
9050 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
9052 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
9053 * except.c (expand_rethrow): Remove unused variable.
9054 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
9055 * flow.c (replace_insns): Likewise.
9056 (create_edge_list, verify_edge_list): Likewise.
9057 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
9059 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
9060 is special code to run.
9061 (main): Don't define operands to emit_operand.
9062 * genrecog.c (main): Don't emit an empty peephole2_insn function.
9064 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
9066 * alpha/alpha.h (normal_memory_operand): Declare.
9067 (reg_no_subreg_operand): Declare.
9068 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
9070 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
9072 * c-parse.in (compstmt_primary_start): New, broken out of first
9073 part of compstmt handling in primary.
9074 (primary): Use it. Add an error clause.
9075 (compstmt_nostart): Renamed from compstmt; remove all
9076 initial invocations of compstmt_start.
9079 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
9081 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
9084 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
9086 * combine.c (simplify_shift_const): Remove extra semicolon.
9087 * dwarf2out.c (remove_AT): Likewise.
9088 * expmed.c (expand_mult): Likewise.
9089 * gcov.c (create_program_flow_graph): Likewise.
9090 * reorg.c (mostly_true_jump): Likewise.
9092 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
9094 * fold-const.c (fold_range_test): Do not try to fold the range
9095 test if the rhs or lhs has side effects.
9097 * combine.c (simplify_rtx): Recognize another case of a synthesized
9100 * varasm.c (mark_constant_pool): When marking indirect references,
9101 only look at SYMBOL_REFs.
9103 * except.c (expand_fixup_region_end): Do not peek at
9104 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
9106 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
9108 * flags.h: New variables align_loops, align_loops_log,
9109 align_jumps, align_jumps_log, align_labels, align_labels_log,
9110 align_functions, align_functions_log.
9111 * toplev.c: Define them.
9112 (f_options): Handle -falign-* when they have no argument.
9113 (main): Add logic to set variables for -falign-functions,
9114 -falign-jumps, -falign-labels, -falign-loops.
9115 Make it -fsched-verbose=<n> and -finline-limit=<n>.
9116 (display_help): Change help to match options.
9117 * final.c (LABEL_ALIGN): Default to align_labels_log.
9118 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
9119 (LOOP_ALIGN): Default to align_loops_log.
9120 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
9121 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
9122 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
9123 * varasm.c (assemble_start_function): Handle align_functions.
9125 * config/sparc/sparc.h: Don't declare sparc_align_*.
9126 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
9127 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
9129 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
9131 * config/sparc/sparc.c: Delete sparc_align_loops,
9132 sparc_align_jumps, sparc_align_funcs and the corresponding string
9134 (sparc_override_options): Default align_functions on ultrasparc.
9135 Delete -malign-* handling.
9137 * config/mips/mips.c (override_options): On 64-bit targets,
9138 try to align code to 64-bit boundaries.
9139 (print_operand): New substitution, %~,
9140 which aligns labels to align_labels_log.
9141 * config/mips/mips.md (div_trap_normal): Use %~.
9142 (div_trap_mips16): Likewise.
9147 (ashldi3_internal): Likewise.
9148 (ashrdi3_internal): Likewise.
9149 (lshrdi3_internal): Likewise.
9150 (casesi_internal): Likewise.
9152 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
9154 Merge new ia32 backend from the branch!
9156 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
9157 See ChangeLog.P2 on new_ia32_branch for details.
9159 * rtl.h (stack_regs_mentioned_p): Delete prototype.
9160 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
9161 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9162 * i386/gas.h (ASM_FILE_START): Define.
9163 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
9164 for name change of ix86_valid_decl_attribute_p.
9165 (i386_pe_valid_type_attribute_p): Similarly.
9167 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
9169 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
9170 to step through CC modes.
9172 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9174 * regmove.c (fixup_match_1): Don't move INSN in front of P if
9175 it would end up in the shadow of a live flags regsiter.
9177 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9179 * reload1.c: Fix many indentation problems.
9180 * reload.c: Likewise.
9182 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
9184 * alias.c (non_local_reference_p): Constify fmt.
9186 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
9188 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
9190 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
9192 * cse.c (delete_trivially_dead_insns): Do not delete stores to
9193 the internal_arg_pointer.
9195 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
9197 Merge peephole2 from new_ia32_branch:
9198 * Makefile.in (STAGESTUFF): Add *.peephole2.
9199 (mostlyclean): Likewise.
9200 (recog.o): Depend on resource.h.
9202 * final.c (peephole): Conditionalize decl on HAVE_peephole.
9203 (final_scan_insn): Likewise for the invocation of peephole.
9204 * genconfig.c (main): Look for peephole and peephole2 patterns.
9205 Emit HAVE_peephole* accordingly.
9206 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
9207 * flags.h (flag_peephole2): Declare.
9208 * toplev.c: New pass peephole2. New flag -fpeephole2.
9210 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
9211 * gencodes.c (main): Likewise.
9212 * genextract.c (main): Likewise.
9213 * genoutput.c (main): Likewise.
9214 * genemit.c (max_operand_1): Look for the max scratch operand.
9215 (gen_rtx_scratch): New.
9216 (gen_exp): Use it, and pass on new arg subroutine_type.
9217 (gen_expand): Take max scratch into account.
9218 (gen_split): Emit peephole2 functions.
9219 (output_peephole2_scratch): New.
9220 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
9221 * genrecog.c (routine_type): Add PEEPHOLE2.
9223 (make_insn_sequence): Match outer parallel for peep2. Discard
9224 top level scratches and dups.
9225 (add_to_sequence): New args insn_type and top. Update all callers.
9226 Handle toplevel peep2 matching insns.
9227 (write_subroutine): Handle peep2.
9228 (write_tree_1): Likewise.
9229 (write_tree): Likewise.
9231 (change_state): New arg afterward. Update all callers.
9232 Handle matching separate insns.
9233 * recog.c (recog_next_insn): New.
9234 (peephole2_optimize): New.
9235 * rtl.def (DEFINE_PEEPHOLE2): New.
9236 * resource.c (find_free_register): New argument last_insn. Use it
9237 to find a register available through the entire span.
9238 * resource.h (find_free_register): Update prototype.
9240 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
9242 * i386.c (output_strlen_unroll): Don't write xops[7]
9243 label if it wasn't set.
9245 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
9247 * cpplib.c (struct directive): Const-ify name pointer and
9248 function pointer prototype.
9249 (validate_else, do_define, do_line, do_include, do_undef,
9250 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
9251 do_elif, do_endif, do_sccs, do_assert, do_unassert,
9252 do_warning): Const-ify second arg.
9253 (directive_table): Mark const. Reorder entries by frequency
9254 of usage, record statistics.
9256 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
9258 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
9259 bounds- check RTL accesses if --enable-checking.
9260 (RTVEC_ELT): Bounds check if --enable-checking.
9261 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
9262 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
9263 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
9265 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
9266 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
9268 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
9269 (NOTE_SOURCE_FILE): Use X0STR.
9270 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
9271 MEM_ALIAS_SET): Use X0INT.
9272 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
9273 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
9275 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
9276 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
9277 (rtl_check_failed_bounds, rtl_check_failed_type1,
9278 rtl_check_failed_type2, rtvec_check_failed_bounds): New
9280 (fancy_abort): Fix comment.
9282 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
9283 (cse_insn): Decrement LABEL_NUSES for jump target before
9285 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
9286 * final.c (alter_subreg): Compute regno before changing x to
9287 REG; set REGNO(x) after changing it.
9288 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
9289 notes containing CONST_INTs.
9290 (delete_eh_regions): Use NOTE_EH_HANDLER.
9291 * function.c (put_reg_into_stack): Make reg a MEM before
9293 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
9295 (gen_mem_addressof): Make reg a MEM before initializing it.
9296 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
9298 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
9299 deleting an insn, not after.
9300 (block_alloc): Only look at PATTERN(insn) if we have to, and
9301 only if it's format class 'i'.
9302 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
9303 CONST_INT before using its INTVAL.
9304 * print-rtl.c (print_rtx): Use X0STR.
9305 * regmove.c (fixup_match_1): Don't look at PATTERN of
9306 non-class-'i' insn chain elements.
9307 * reload.c (loc_mentioned_in_p): Take address of
9308 in->fld[1].rtx directly.
9309 * reload1.c (reload): Change reg to a MEM before initializing
9311 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
9313 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
9315 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
9317 * config/mips/mips.c (machine_dependent_reorg): Force a
9318 barrier to output the local constant pool if a barrier hasn't
9319 been found at a natural point in the instruction stream.
9321 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9323 * c-parse.in (language_string): Constify.
9325 * dwarf2out.c (language_string): Remove declaration.
9327 * dwarfout.c (language_string): Likewise.
9329 * toplev.c (language_string, init_parse, finish_parse): Likewise.
9331 * tree.h (language_string, init_parse, finish_parse): Declare.
9333 * i386/sun386.h (language_string): Remove declaration.
9335 * mips.h (language_string): Likewise.
9337 * nextstep.h (language_string): Likewise.
9339 * nextstep21.h (language_string): Likewise.
9341 * rs6000.c (language_string): Likewise.
9343 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9345 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
9346 (getpwd.o): Remove target.
9348 * getpwd.c: Delete file. Its in libiberty now.
9350 * dbxout.c (getpwd): Don't prototype.
9351 * dwarf2out.c (getpwd): Likewise
9352 * dwarfout.c (getpwd): Likewise
9353 * final.c (getpwd): Likewise.
9354 * protoize.c (getpwd): Likewise.
9356 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9358 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
9360 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9362 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
9365 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
9367 * fixinc/Makefile.in (subdir): New.
9368 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
9371 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
9373 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
9374 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
9377 * invoke.texi: Fix typo.
9379 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
9380 changed. Handle autoincrement addressing modes.
9382 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
9383 just like we would the virtual incoming args register when
9386 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
9388 * rs6000.h (ASM_FILE_START): Specify complete filename, including
9389 path, in .file directive.
9391 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
9393 * gcc.texi (External Bugs): Remove obsolete note about Perl on
9396 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
9398 * stdbool.h: Make the typedef name _Bool, with bool a #defined
9401 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9403 * tree.c (tree_code_name): Constify a char*.
9405 * tree.h (tree_code_name, decl_printable_name): Likewise.
9407 * function.h (struct function): Likewise.
9409 * toplev.c (decl_name, decl_printable_name): Likewise.
9411 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
9413 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
9414 (init_objc): Remove function pointer cast.
9416 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9418 * pa.md (interspace_jump): New pattern.
9419 (builtin_longjmp): New expander.
9421 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
9423 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
9424 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
9425 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
9427 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
9429 * jump.c (delete_prior_computation): Also check calls
9430 to constant functions. Don't bother checking for a
9431 REG_UNUSED note before adding it.
9432 (delete_computation): Handle multi-word hard registers
9433 when synthesizing missing REG_DEAD notes for a register
9434 which is both set and used by an insn.
9436 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9438 * loop.c (this_loop_info): New variable.
9439 (loop_has_call, loop_has_volatile, loop_has_tablejump,
9440 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
9442 (prescan_loop, strength_reduce): New argument loop_info. All callers
9444 (scan_loop): New variable loop_info, initialise to address of
9446 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
9447 Delete variable loop_has_multiple_exit targets and replace with
9448 field in this_loop_info.
9449 (find_and_verify_loops): Rename this_loop to this_loop_num.
9450 (strength_reduce): Delete loop_iteration_info. Replace variable
9451 loop_info with function argument of same name.
9452 (insert_bct): Rework test for loop being completely unrolled.
9454 * loop.h (struct loop_info): New fields num, loops_enclosed,
9455 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
9456 has_indirect_jump, and cont. Redefine use of unroll_number.
9457 (loop_unroll_number): Delete.
9459 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
9461 (loop_iterations): Delete variable vtop and instead use
9462 loop_info->vtop computed in prescan_loop.
9464 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
9466 * fix-header.c (main): Do not pass a null pointer to strcmp.
9468 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
9470 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
9472 * configure: Rebuilt.
9474 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
9476 * jump.c (jump_optimize_1): Do not delete assignments to
9477 internal_arg_pointer.
9478 * cse.c (delete_trivially_dead_insns): Always consider a set of
9479 the internal_arg_pointer live.
9481 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
9483 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
9484 (update_life_info) [REG_WAS_0]: Search the original insns rather
9485 than the new insns for the note. Fix typos finding note_dest.
9486 If no dest found, discard the note rather than abort.
9487 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
9488 (replace_insns): Remove the old insn list after update_life_info
9491 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
9493 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
9495 (sched_analyze_1): Let add_dependence care for not adding dups.
9496 (sched_analyze_2): Likewise.
9497 (add_branch_dependences): Likewise.
9499 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
9501 * i386/winnt.c (export_list): New type.
9502 (exports_head): Rename to
9503 (export_head): this.
9504 (i386_pe_record_exported_symbol): Add is_data flag.
9505 (i386_pe_asm_file_end): Emit directive for exported variables.
9506 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
9508 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
9509 (ASM_DECLARE_OBJECT_NAME): Likewise.
9510 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9511 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
9513 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
9515 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
9517 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
9520 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
9522 * config/openbsd.h: Define SET_ASM_OP.
9523 * tm.texi: cross-reference SET_ASM_OP in the index.
9525 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
9527 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
9528 for a CONST_DOUBLE, at compile time. Initialize rtx_length
9529 and class_narrowest_mode at compile time. Kill init_rtl.
9530 Mark rtx_length, mode_class, mode_size, mode_unit_size,
9531 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
9532 rtx_format as const. Kill all references to EXTRA_CC_MODES or
9534 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
9536 * rtl.h: Declare rtx_length and rtx_format as const.
9537 * machmode.def: Define CC(). Use CC() to define CCmode. If
9538 EXTRA_CC_MODES is defined, expand it here.
9539 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
9540 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
9541 const. Kill all references to EXTRA_CC_MODES.
9543 * toplev.c: Don't prototype or call init_rtl.
9544 * optabs.c: Don't call init_mov_optab.
9545 * genemit.c: Don't generate init_mov_optab. Don't call
9547 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
9549 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
9550 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
9551 genrecog.c: Don't call init_rtl.
9553 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
9554 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
9555 definition of EXTRA_CC_MODES.
9557 * md.texi: Kill ref to EXTRA_CC_NAMES.
9558 * tm.texi: Document new way to define EXTRA_CC_MODES.
9560 * genrecog.c: Do not look up the name of a define_split.
9563 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
9565 * config/v850/v850.md: Fix typo introduced by previous delta.
9567 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9569 * gcc.c (fatal): Make definition static to match prototype.
9571 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9573 * combine.c (get_last_value): Don't look for earlier sets if the last
9574 known set is somewhere in between the insns being combined.
9576 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
9578 * configure.in: Don't use shell ! to negate exit codes
9579 * configure: Regenerate
9581 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
9583 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
9584 the fact that ALIGN is measured in bits, not bytes.
9586 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
9588 * errors.c: New file; defines functions error, warning, and
9589 fatal, variables have_error and progname.
9590 * errors.h: New file; prototypes and decls for stuff in errors.c.
9592 * Makefile: Add rules to build errors.o and
9593 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
9594 genopinit, genrecog, genextract, genpeep, genattr, and
9595 genoutput with errors.o. Add errors.h to deps of genconfig.o,
9596 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
9597 genpeep.o, genattr.o, and genoutput.o.
9599 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
9600 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
9601 define or prototype fatal. Set progname at beginning of main.
9602 * genoutput.c: Likewise, and don't define or prototype error
9605 * c-typeck.c (c_expand_start_case): Return immediately if exp
9607 * fold-const.c (operand_equal_p): Return immediately if arg1
9608 or arg0 are ERROR_MARKs.
9609 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
9610 fields of type ERROR_MARK when calculating if the record can
9613 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
9614 with much help from Jeffrey A Law and Richard Henderson
9616 * i386.md: In the 6 insns which call output_fix_trunc,
9617 earlyclobber operands[0].
9619 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
9621 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
9622 creating new registers.
9624 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
9626 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
9627 i386_reg_alloc_order, i386_regparm_string,
9628 i386_align_loops_string, i386_align_jumps_string,
9629 i386_align_funcs_string, i386_preferred_stack_boundary_string,
9630 and i386_branch_cost_string as type "const char *".
9631 * i386.c: Define all above strings as type "const char *".
9633 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
9635 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
9636 when emitting alignment padding. Emit padding byte of 0 instead of 4.
9638 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
9640 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
9641 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
9643 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
9645 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
9646 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
9647 (dwarf2out_line, dwarf2out_finish): Likewise.
9648 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
9650 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9652 * tree.c (lang_unsave_expr_now) : Correct return type.
9653 * tree.h (lang_unsave_expr_now) : Same.
9655 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
9657 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
9658 instead of duplicating code.
9660 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9662 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
9664 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
9666 * tree.h: fancy_abort always takes three args.
9667 * resource.c: Move include of system.h before toplev.h.
9669 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
9671 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
9674 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
9676 * system.h: Don't redefine abort or trim_filename.
9677 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
9678 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
9679 whether or not __FUNCTION__ is available.
9680 * tree.h: Duplicate rtl.h's definition of abort, for files
9681 that don't include rtl.h. Delete all code to perform type
9682 checking with a compiler other than GCC.
9683 * varray.h: Delete all code to perform type checking with a
9684 compiler other than GCC. Make VARRAY_CHECK() always evaluate
9685 its arguments exactly once, using a statement expression.
9686 Adjust the VARRAY_<type> accessor macros to match.
9687 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
9688 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
9689 caller's location. Define fatal_insn and fatal_insn_not_found
9690 as macros that use _fatal_insn and _fatal_insn_not_found.
9691 (fancy_abort, trim_filename): Kill prototypes.
9693 * rtl.c (trim_filename): Move here from toplev.c.
9694 (fancy_abort): New function.
9695 (DIR_SEPARATOR): Provide default definition.
9696 * tree.c (tree_check_failed, tree_class_check_failed): Go
9697 through fancy_abort.
9698 (tree_check, tree_class_check, cst_or_constructor_check,
9699 expr_check): Delete.
9700 * varray.c (varray_check_failed): New function.
9701 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
9702 _fatal_insn and _fatal_insn_not_found. Go through
9704 (trim_filename, fancy_abort): Delete.
9706 * builtins.c (expand_builtin_args_info): Report ICE with abort.
9707 * except.c (start_catch_handler): Report ICE with error/abort
9709 * final.c (output_operand_lossage): Likewise.
9710 * flow.c (verify_flow_info): Likewise.
9712 * gcc.c: Prototype fatal.
9713 * gengenrtl.c: Undef abort after including rtl.h not system.h.
9714 * genattr.c, genattrtab.c, genemit.c, genextract.c,
9715 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
9716 Don't define fancy_abort.
9718 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
9720 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
9723 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
9725 * m88k.h (VERSION_INFO2): Kill.
9726 (VERSION_STRING): Kill.
9728 (VERSION_INFO1): Tidy.
9729 (TARGET_VERSION): Update.
9730 * m88k/dgux.h (VERSION_INFO2): Kill.
9731 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
9732 * m88k/luna.h (VERSION_INFO1): Tidy.
9733 * m88k/sysv4.h (VERSION_INFO1): Likewise.
9734 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
9735 (output_file_start): Adjust for death of VERSION_STRING.
9737 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
9739 * cpplib.c (detect_if_not_defined): New function.
9740 (do_if): Use it to detect potential once-only headers.
9742 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
9744 * c-common.c (combine_strings): Always set TREE_CONSTANT.
9746 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
9748 * combine.c (nonzero_bits) : Allow single-ly set registers to be
9749 anywere in the function only if they are pseudos and set before
9750 being used (not live at the start of the function).
9751 (num_sign_bit_copies) : Same.
9752 (get_last_value_validate) : Same.
9753 (get_last_value) : Same.
9755 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
9757 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
9758 where N and M are constant and N is an integer multiple of M.
9760 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9762 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
9763 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
9764 sbitmap_union_of_preds): Add prototypes.
9765 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
9766 the intersection of successors with the new flow graph structures.
9767 (sbitmap_intersection_of_preds): New function to compute the
9768 intersection of predecessors with the new flow graph structures.
9769 (sbitmap_union_of_succs): New function to compute the union of
9770 successors with the new flow graph structures.
9771 (sbitmap_union_of_preds): New function to compute the union of
9772 predecessors with the new flow graph structures.
9773 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
9774 (expr_reaches_here_p): Use edge and basic_block structures instead
9775 of s_preds and s_succs.
9776 (compute_cprop_avinout): Use new sbitmap routines.
9777 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
9778 of s_preds and s_succs.
9779 * flow.c (compute_flow_dominators): Compute dominators using
9780 edges and basic blocks instead of s_preds and s_succs.
9782 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9784 * lists.c (unused_insn_list, unused_expr_list): New file for
9785 maintaining various types of lists. New statics for maintaining a
9786 cache of available INSN_LIST and EXPR_LIST nodes.
9787 (free_list): Static function for freeing a list of INSN/EXPR nodes.
9788 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
9789 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
9790 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
9791 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
9792 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
9793 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
9794 (free_INSN_LIST_node): Free an individual INSN_LIST node.
9795 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
9796 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
9797 (remove_dependence, free_pending_lists): Use new global routines.
9798 (flush_pending_lists, sched_analyze_insn): Use new global routines.
9799 (sched_analyze, compute_block_backward_dependences): Use new routines.
9800 (sched_analyze_1, sched_analyze_2): Use new routines.
9801 (schedule_insns): Use new global routines.
9802 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
9804 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
9805 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
9807 * toplev.c (rest_of_compilation): Initialize node cache.
9808 * Makefile.in (OBJS): Add lists.o to list of object files.
9809 (lists.o): Add dependancies.
9811 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
9813 * config/v850/v850.md: Fix compile time warning messages.
9814 * config/v850/v850.c: Fix compile time warning messages.
9815 * config/v850/v850.h: Fix compile time warning messages.
9817 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9819 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
9820 Remove unused prototype for `init_lengths'.
9822 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9824 * calls.c (emit_call_1): Mark parameter `stack_size' with
9826 (expand_call): Initialize variable `insn'.
9827 (emit_library_call): Likewise for variable `high_to_save'.
9828 (emit_library_call_value): Likewise.
9829 (store_one_arg): Likewise for variables `lower_bound' and
9832 * combine.c (try_combine): Likewise for variables `i2_code_number'
9833 and `other_code_number'.
9834 (find_split_point): Likewise for variables `pos', `unsignedp' and
9836 (simplify_if_then_else): Likewise for variables `op' and `c1'.
9837 (simplify_and_const_int): Remove unused variable `width'.
9838 (merge_outer_ops): Likewise.
9840 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
9841 HOST_WIDE_INT' when comparing against one.
9842 (simplify_relational_operation): Likewise.
9843 (cse_insn): Initialize variables `src_eqv_volatile',
9844 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
9846 * final.c (init_final): Constify parameter `filename'.
9847 (final_start_function): Mark parameter `optimize' with
9849 (profile_function): Likewise for parameters `first' and `optimize'.
9850 (output_source_line): Likewise for parameter `file'.
9852 * integrate.c (subst_constants): Cast a value to `size_t' when
9853 comparing against one.
9854 (mark_stores): Initialize variable `mode'. Cast a value to
9855 `size_t' when comparing against one.
9857 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
9859 * loop.c (move_movables): Initialize variable `first'.
9860 (strength_reduce): Likewise for variable `increment'.
9861 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
9862 value to `size_t' when comparing against one.
9863 (load_mems): Initialize variable `end_label'.
9865 * output.h (init_final): Constify parameter.
9867 * reload.c (decompose): Initialize variable `base'.
9869 * reload1.c (reload): Likewise for variable `is_scalar'.
9870 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
9871 (choose_reload_regs): Initialize variable `mode'.
9872 (emit_reload_insns): Likewise for variable `store_insn'.
9873 (reload_cse_noop_set_p): Mark parameter `insn' with
9875 (reload_combine): Initialize variable `set'.
9877 * unroll.c (unroll_loop): Likewise for variable `local_label'.
9878 (copy_loop_body): Cast a value to `size_t' when comparing against
9881 * varasm.c (assemble_variable): Initialize variable `size_tree'.
9882 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
9883 (remove_from_pending_weak_list): Mark parameter `name' with
9886 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9888 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
9891 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
9893 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
9894 (ASM_DECLARE_FUNCTION_NAME): Define.
9895 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
9896 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
9897 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
9898 not already defined.
9900 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9902 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
9903 of n_popped when call/call_value are not defined.
9905 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
9907 * tm.texi: GNU CC -> GCC conversion.
9908 (CC1_SPEC): Indicate it is used for all language front ends.
9910 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
9912 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
9913 NOTE_INSN_EH_REGION_END correctly.
9915 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9916 Jeff Law <law@cygnus.com>
9918 * loop.c (strength_reduce): Automatically unroll loops if the
9919 unrolled loop size is smaller than the rolled loop size.
9921 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
9922 and delete comment that code should be rewritten.
9924 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
9926 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
9929 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
9931 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9933 * fixinc/mkfixinc.sh: Don't fix uwin headers.
9934 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
9935 (LINK_SPEC): Add -u _main when building executables.
9936 (ASM_DECLARE_FUNCTION): Update from Cygwin.
9937 (ASM_FILE_END): Use the default for ix86-pe.
9938 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
9940 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
9942 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
9943 and ASM_CLOSE_PAREN are empty strings.
9945 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
9946 Geoffrey Keating <geoffk@cygnus.com>
9948 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
9949 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
9950 (unprotoize.o): Ditto.
9951 (test-protoize-simple): Don't define STD_PROTO_DIR.
9952 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
9953 changes to make 'test-protoize-simple' pass.
9954 (STD_PROTO_DIR): Remove define.
9955 (STANDARD_EXEC_PREFIX): Supply default define.
9956 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
9957 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
9958 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
9959 (GET_ENV_PATH_LIST): New macro.
9960 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
9961 (do_processing): Initialize default_syscalls_dir using new
9962 macros. Use it to initialize syscalls_absolute_filename.
9964 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
9966 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
9967 B into a register before emit_conditional_move.
9969 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
9971 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
9972 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
9973 multiplicand out of (+ (* a b) (* c d)).
9975 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
9976 Richard Henderson <rth@cygnus.com>
9978 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
9979 (new_insn_dead_notes): Likewise.
9980 (update_n_sets): Likewise.
9981 (update_flow_info): Move to flow.c, renamed to update_life_info;
9982 extend to handle multiple source insns.
9983 * flow.c: Include resource.h
9984 (unlink_insn_chain): New.
9985 (split_hard_reg_notes): New.
9986 (maybe_add_dead_note): New.
9987 (maybe_add_dead_note_use): New.
9988 (find_insn_with_note): New.
9989 (new_insn_dead_notes): New.
9990 (update_n_sets): New.
9991 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
9992 (maybe_remove_dead_notes): New.
9993 (update_life_info): New.
9994 (prepend_reg_notes): New.
9995 (replace_insns): New.
9996 * output.h (update_life_info): Declare.
9997 * recog.c (split_block_insns): Use update_life_info.
9998 * resource.c (find_free_register): Use reg_alloc_order, don't use
9999 fixed regs, make sure the mode is supported, don't use new regs.
10001 * rtl.h (replace_insns): Declare.
10003 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
10005 * expr.c (expand_expr): Cope with COND_EXPRs with one
10006 non-returning branch.
10008 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
10010 * expr.c (store_expr): Always pass down the target, even when not
10013 1999-08-24 Nick Clifton <nickc@cygnus.com>
10015 * configure.in: Define target_cpu_default for v850 targets.
10016 * configure: Regenerate
10018 * config/v850/v850.h (TARGET_CPU_generic): Define.
10019 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
10020 addresses are 4 byte aligned.
10022 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
10025 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10027 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
10028 (main): Add prototypes.
10030 * genattrtab.c (substitute_address, write_const_num_delay_slots,
10031 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
10032 (write_attr_get): Emit prototypes along with function definition.
10033 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
10034 (write_complex_function): Emit static prototype along with
10035 function definition.
10037 * genemit.c (gen_split): Emit prototypes along with function
10040 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
10041 Likewise for predicates and `insn_operand_predicate'.
10042 (process_template): Emit static prototype along with function
10045 * genrecog.c (make_insn_sequence): Constify a char*. Add
10046 prototypes for get_split_*().
10047 (write_subroutine): Emit prototypes along with function
10050 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10052 * gcse.c (find_avail_set): Follow chains of register-register copies.
10053 Use oprs_not_set_p to guarantee that the returned value can be
10055 (cprop_insn): Don't verify the return value of find_avail_set with
10058 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
10059 (cprop_cc0_jump): New function.
10060 (cprop_insn): Break out new function cprop_jump and use it.
10061 Also use cprop_cc0_jump for machines with CC0.
10062 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
10064 * tree.h (current_function_calls_setjmp,
10065 current_function_calls_longjmp): Delete declarations.
10066 * dsp16xx.c: Include "function.h".
10067 * elxsi.c: Likewise.
10068 * gmicro.c: Likewise.
10069 * h8300.c: Likewise.
10070 * i370.c: Likewise.
10071 * m32r.c: Likewise.
10072 * mn10200.c: Likewise.
10073 * mn10300.c: Likewise.
10074 * ns32k.c: Likewise.
10075 * spur.c: Likewise.
10076 * v850.c: Likewise.
10078 * rtl.h (rtx_equal_function_value_matters): Declare.
10079 * toplev.c (rtx_equal_function_value_matters): Don't declare.
10081 * function.c: Likewise.
10082 * emit-rtl.c: Likewise.
10084 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
10086 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
10089 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10091 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
10094 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
10096 * cpp.texi: Add a node documenting macro varargs (copied
10099 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
10101 * cppspec.c: Put a null pointer at the end of the new argv.
10103 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
10105 * configure.in: Remove code to select/de-select the haifa
10106 scheduler. Every scheduled port gets haifa now.
10107 * configure: Rebuilt.
10108 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
10110 * Makefile.in: Corresponding changes.
10112 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10114 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
10115 All callers changed.
10116 (prepare_float_lib_cmp): Likewise.
10117 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
10118 * expr.h (emit_float_lib_cmp): Delete declaration.
10119 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
10120 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
10121 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
10123 (cmptf): Now conditional on TARGET_HARD_QUAD.
10125 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
10127 * resource.c (mark_target_live_regs): Use
10128 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
10130 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10132 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
10134 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
10136 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
10138 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10140 * rtl.h (rtx_format): Constify a char*.
10142 * rtl.c (rtx_format): Likewise.
10143 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
10144 (init_rtl): Use accessor macro, not `rtx_format'.
10146 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
10149 * caller-save.c (mark_referenced_regs): Likewise.
10151 * combine.c (subst, make_compound_operation, known_cond,
10152 gen_rtx_combine, update_table_tick, get_last_value_validate,
10153 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
10155 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
10156 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
10157 count_reg_usage): Likewise.
10159 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
10162 * final.c (leaf_renumber_regs_insn): Likewise.
10164 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
10165 dump_edge_info, count_reg_references): Likewise.
10167 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
10168 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
10171 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
10172 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
10173 add_label_notes): Likewise.
10175 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
10176 clear_struct_flag, count_sub_rtxs, count_alternatives,
10177 compares_alternatives_p, contained_in_p, walk_attr_value,
10178 write_expr_attr_cache): Likewise.
10180 * genconfig.c (walk_insn_part): Likewise.
10182 * genemit.c (max_operand_1, gen_exp): Likewise.
10184 * genextract.c (walk_rtx): Likewise.
10186 * genflags.c (num_operands): Likewise.
10188 * genoutput.c (scan_operands): Likewise.
10190 * genpeep.c (match_rtx): Likewise.
10192 * genrecog.c (add_to_sequence): Likewise.
10194 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
10197 * integrate.c (save_constants, copy_for_inline,
10198 copy_rtx_and_substitute, subst_constants, restore_constants):
10201 * jump.c (mark_jump_label, invert_exp, redirect_exp,
10202 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
10204 * local-alloc.c (contains_replace_regs, memref_referenced_p):
10207 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
10208 add_label_notes, replace_call_address, count_nonfixed_reads,
10209 invariant_p, find_single_use_in_loop, find_mem_givs,
10210 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
10213 * print-rtl.c (reg_names, print_rtx): Likewise.
10215 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
10217 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
10218 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
10219 print_blocks): Likewise.
10221 * regclass.c (fix_register, record_address_regs,
10222 reg_scan_mark_refs): Likewise.
10224 * regmove.c (stable_but_for_p): Likewise.
10226 * reload.c (loc_mentioned_in_p, operands_match_p,
10227 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
10228 copy_replacements, refers_to_regno_for_reload_p,
10229 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
10230 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
10233 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
10234 delete_address_reloads_1, count_occurrences,
10235 reload_cse_mem_conflict_p, reload_combine_note_use,
10236 add_auto_inc_notes): Likewise.
10238 * resource.c (mark_referenced_resources, mark_set_resources):
10241 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
10242 reg_mentioned_p, regs_set_between_p, modified_between_p,
10243 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
10244 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
10245 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
10246 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
10248 * sched.c (sched_analyze_2, attach_deaths): Likewise.
10250 * stupid.c (stupid_mark_refs): Likewise.
10252 * unroll.c (remap_split_bivs): Likewise.
10254 * varasm.c (mark_constants): Likewise.
10256 * a29k/a29k.c (uses_local_reg_p): Likewise.
10258 * alpha/alpha.c (summarize_insn): Likewise.
10260 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
10261 eliminate_lr2ip): Likewise.
10263 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
10265 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
10266 reg_mentioned_in_mem): Likewise.
10268 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
10269 symbolic_reference_mentioned_p): Likewise.
10271 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
10273 * sh/sh.c (regs_used, mark_use): Likewise.
10275 * vax/vax.c (vax_rtx_cost): Likewise.
10277 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10279 * machmode.h (mode_name): Constify a char*.
10281 * rtl.c (mode_name): Likewise.
10283 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
10285 * optabs.c (init_libfuncs): Constify a char*.
10287 * print-tree.c (mode_name): Remove redundant declaration.
10288 (print_node): Use accessor macro, not `mode_name'.
10290 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
10292 (new_spill_reg): Constify a char*.
10294 * tree.c (mode_name): Remove redundant declaration.
10296 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10298 * rtl.c (rtx_name): Constify a char*.
10300 * rtl.h (rtx_name, fix_sched_param): Likewise.
10302 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
10303 (mypr): Use accessor macro, not `rtx_name'.
10305 * genemit.c (print_code): Constify a char*.
10307 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
10309 * genpeep.c (print_code): Constify a char*.
10311 * genrecog.c (print_code): Likewise.
10313 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
10314 end_bb): Add static prototype.
10315 (draw_edge): Constify a char*.
10316 (end_bb): Remove unused parameter.
10318 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
10319 print_block_visualization): Constify a char*.
10321 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
10323 * c-common.c (c_get_alias_set): Update comment.
10325 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10327 * linux.h (LIB_SPEC): Added.
10329 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10331 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
10333 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
10335 * tree.c (expr_check): Fix typo in last change.
10337 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
10339 * rtl.def (NOTE): Change format to "iuu0n".
10340 (ADDR_DIFF_VEC): Change format to "eEee0".
10341 (ADDRESSOF): Change format to "eit".
10343 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
10344 (RTVEC_ELT): Change to match.
10345 (XVECEXP): Use XVEC and RTVEC_ELT.
10346 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
10347 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
10348 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
10349 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
10350 TRAP_CONDITION, TRAP_CODE): Use XEXP.
10351 (INTVAL): Use XWINT.
10352 (ADDRESSOF_DECL): Use XTREE.
10353 (SET_ADDRESSOF_DECL): Delete.
10354 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
10355 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
10356 ifdefed out since 2.6 at least.
10357 (gen_rtvec_vv): Delete prototype.
10359 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
10361 (copy_most_rtx): Handle 't' format letter.
10362 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
10363 (gen_rtvec_vv): Delete function. All callers changed to use
10364 gen_rtvec_v instead.
10365 * print-rtl.c (print_rtx): Move special casing of NOTEs to
10366 the '0' format letter.
10368 * function.c (gen_mem_addressof): Don't use
10369 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
10371 * integrate.c (copy_rtx_and_substitute): Likewise.
10372 Copy 't' slots with XTREE.
10373 (subst_constants): Treat 't' slots like '[swi]' slots.
10374 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
10375 * jump.c (rtx_equal_for_thread_p): Likewise.
10376 * rtlanal.c (rtx_equal_p): Likewise.
10377 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
10378 only four arguments.
10379 * gengenrtl.c (type_from_format): Provide correct types for
10383 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
10384 If a recent gcc is in use (always in stage2 and beyond), use
10385 statement expressions, so we don't make a function call unless
10386 the check fails. Evaluate arguments exactly once.
10387 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
10388 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
10390 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
10391 they evaluate their arguments exactly once, irrespective of
10392 the compiler in use.
10394 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
10395 is used by the currently-enabled check macros. This is:
10396 (tree_check_failed, tree_class_check_failed): For gcc.
10397 (tree_check, tree_class_check, cst_or_constructor_check,
10398 expr_check): For other compilers.
10400 * gencheck.c: Do not define any *_CHECK1 macros.
10402 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
10403 Mark Mitchell <mark@codesourcery.com>
10405 * c-common.c (c_get_alias_set): Fix support for poitners and
10408 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
10410 * alias.c: Include tree.h.
10411 (nonlocal_reference_p, mark_constant_function): New functions.
10412 * flow.c (life_analysis): Call mark_constant_function.
10413 * rtl.h (mark_constant_function): Declare it.
10415 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
10417 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
10418 unrecognisable switches.
10420 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10422 * loop.c (recombine_givs): Set ix field after sorting.
10423 (recombine_givs): Remove bogus index / giv lockstep looping.
10425 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10427 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
10429 (emit_store_flag_force): Use do_compare_rtx_and_jump.
10430 (do_cmp_and_jump): Formatting fixes.
10431 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
10432 do_compare_rtx_and_jump instead of compare_from_rtx.
10433 (do_compare_rtx_and_jump): New function; mostly copied from
10435 (do_jump_for_compare): Delete.
10436 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
10438 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
10439 of compare/do_jump_for_compare pairs.
10440 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
10441 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
10442 compare_from_rtx/do_jump_for_compare pairs.
10443 (do_jump_by_parts_equality): Likewise.
10444 (do_jump_by_parts_equality_rtx): Likewise.
10445 * expr.h (do_compare_rtx_and_jump): Declare.
10446 * optabs.c (prepare_cmp_insn): New function, contains most of the code
10447 that used to be in emit_cmp_insn.
10448 (cmp_available_p): New function.
10449 (prepare_operand): New function.
10450 (emit_cmp_and_jump_insn_1): New function, contains some code that used
10451 to be in emit_cmp_insn.
10452 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
10453 parameters to be pointers; don't emit final compare but modify some of
10454 the values pointed to by the args so the caller can perform the
10455 correct comparison.
10456 (expand_binop): Call emit_store_flag_force with signed forms of
10458 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
10459 emit_jump_insn pair.
10460 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
10461 emit_cmp_and_jump_insn_1. Call emit_queue.
10462 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
10464 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
10465 jump sets cc0 before deleting it.
10466 * integrate.c (expand_inline_function): Likewise.
10467 * unroll.c (unroll_loop): Similar changes in several places.
10468 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
10469 before deleting it.
10471 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10473 * Makefile.in (insn-recog.o): Update dependencies.
10474 * genrecog.c (main): Make generated file include "function.h".
10476 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
10478 * cse.c (cse_insn): Call never_reached_warning when a jump is
10479 changed to be unconditional.
10480 * flags.h: Declare warn_notreached.
10481 * flow.c (delete_block): Call never_reached_warning when
10482 a block is deleted.
10483 * jump.c (delete_barrier_successors): Call never_reached_warning
10484 when we delete everything after a BARRIER.
10485 (never_reached_warning): New function.
10486 * rtl.h: Declare never_reached_warning.
10487 * toplev.c (warn_notreached): New variable.
10488 (lang_independent_options): Set warn_notreached
10489 when -Wunreachable-code.
10490 (compile_file): We need line numbers for -Wunreachable-code.
10492 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
10494 * haifa-sched.c (insn_unit): Fix typo on out of range test.
10495 * sched.c (insn_unit): Likewise.
10497 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
10499 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
10501 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10503 * flow.c (create_edge_list): Use xmalloc, not malloc.
10505 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
10507 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
10508 C-style comments. Do not lose the character before double slash.
10510 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10512 * basic-block.h (struct edge_list): Stucture to maintain a vector
10514 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
10515 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
10516 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
10517 New function prototypes.
10518 * flow.c (create_edge_list): Function to create an edge list.
10519 (free_edge_list): Discards memory used by an edge list.
10520 (print_edge_list): Debug output showing an edge list.
10521 (verify_edge_list): Internal consistency check for an edge list.
10522 (find_edge_index): Function to find an edge index for a pred and succ.
10524 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
10526 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
10529 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
10531 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
10533 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10535 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10537 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
10539 * toplev.c (rest_of_compilation): Allow machine dependent
10540 reorganisation pass to place information into the RTL dump
10541 file if it so wishes.
10543 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
10545 * explow.c (hard_function_value): Use VOIDmode instead of
10547 * stmt.c (expand_return): Likewise.
10548 * stor-layout.c (get_best_mode): Likewise.
10550 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
10551 emit call instead of emit_insn call.
10553 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
10555 * configure.in: Handle --disable/enable-win32-registry.
10556 * install.texi: Document --disable/enable-win32-registry.
10557 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
10558 (WIN32_REGISTRY_KEY): New macro.
10559 * prefix.c: Use to enable/disable win32-specific code.
10560 (lookup_key): Use versioned key.
10561 * configure: Regenerate.
10562 * config.in: Likewise.
10564 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
10566 * cpplib.c (read_line_number): New fn, split out of...
10569 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10571 tree.c (lang_unsave_expr_now) : New.
10572 (unsave_expr_now): Call lang_unsave_expr_now.
10573 tree.h (lang_unsave_expr_now) : New.
10575 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
10577 * toplev.c (flag_new_exceptions): On by default.
10579 1999-08-13 Michael Meissner <meissner@cygnus.com>
10581 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
10583 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
10585 * dwarfout.c (fundamental_type_code): Return FT_boolean for
10586 INTEGER_TYPE with precision==1, it's __java_boolean.
10588 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10590 * global.c (prune_preferences): Move some invariants out of the
10593 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
10595 * configure.in (alpha*-dec-osf*): Add osf5.
10597 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
10599 * configure.in: Rework handling of ARM GNU/Linux slightly.
10600 (arm*-*-linux-gnuoldld): New target.
10601 * configure: Regenerate.
10602 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
10603 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
10604 * config/arm/linux-oldld.h: New file.
10605 * config/arm/linux-elf26.h: Don't include linux-elf.h.
10606 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
10608 * config/arm/linux-elf.h (ASM_SPEC): Define.
10609 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
10610 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
10611 for 26-bit APCS and old linker.
10612 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
10614 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
10615 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
10616 don't define `arm' or `arm_elf'.
10617 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
10618 MULTILIB_DIRNAMES): Define. Fix typo in comment.
10620 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
10622 * rtl.texi: Fix typo.
10624 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
10626 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
10628 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
10630 * extend.texi (C++ Signatures): Remove node.
10631 * invoke.texi: Remove discussion of -fhandle-signatures,
10632 signature, sigof, __signature__, and __sigof__.
10634 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
10636 * Makefile.in (JAVAGC): Removed.
10638 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
10640 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10642 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10644 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10646 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
10648 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
10649 a register that is already known to be a pointer.
10651 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
10653 * fixinc/inclhack.tpl: Only install assert.h conditionally.
10654 * fixinc/inclhack.sh: Regenerated.
10655 * fixinc/fixincl.sh: Regenerated.
10657 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
10659 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
10660 Fix documentation of -ansi flag to describe its C++ behavior.
10661 Remove bogus reference to GCC 2.9.
10663 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
10665 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
10666 note if it is non-NULL.
10668 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10670 * except.h (eh_nesting_info): Add new structure defintion.
10671 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
10672 (reachable_handlers, update_rethrow_references): Add function
10674 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
10675 a rethrow symbol instead of an integer exception region number.
10676 * flow.c (Make_edges): Use new exception nesting routines to determine
10677 which handlers are reachable from a CALL or asynchronous insn.
10678 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
10680 (delete_eh_regions): Update rethrow labels, and don't delete
10681 regions which are the target of a rethrow.
10682 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
10683 avoid overloading the SYMBOL_REF_USED flag.
10684 (rethrow_symbol_map): Use new rethrow_ref field.
10685 (rethrow_used): Use new rethrow_ref field.
10686 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
10687 of an integer. Fix formatting.
10688 (output_exception_table_entry): Use new rethrow_ref field.
10689 (can_throw): Check for EH_REGION_NOTE before deciding
10690 whether a CALL can throw or not.
10691 (scan_region): Call rethrow_used() instead of accessing data structure.
10692 (update_rethrow_references): New function to make sure only regions
10693 which are still targets of a rethrow are flagged as such.
10694 (process_nestinfo): New static function to initialize a handler
10695 list for a specific region.
10696 (init_eh_nesting_info): New function to allocate and initialize
10697 the list of all EH handlers reachable from all regions.
10698 (reachable_handlers): New function to retrieve the list of handlers
10699 reachable from a specific region and insn.
10700 (free_eh_nesting_info): New function to dispose of a list of
10701 reachable handlers.
10703 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10705 * flow.c (split_edge): Set JUMP_LABEL field.
10706 (commit_one_edge_insertion): Set head correctly for insert_before.
10707 When inserting insns, update insn block numbers if allocated.
10709 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10711 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
10712 retry_incomplete_types): Add static prototype.
10713 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
10714 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
10715 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
10716 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
10717 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
10720 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
10721 dwarf2out_start_source_file, dwarf2out_line): Likewise.
10723 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10725 * output.h (assemble_name): Constify a char*.
10727 * varasm.c (UNIQUE_SECTION, assemble_start_function,
10728 assemble_variable, assemble_name): Likewise.
10730 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
10732 * arm/pe.c (arm_pe_unique_section): Likewise.
10734 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
10736 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
10738 * i386/interix.c (i386_pe_unique_section): Likewise.
10740 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
10742 * i386/winnt.c (i386_pe_unique_section): Likewise.
10744 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
10746 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
10748 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
10750 * pa/pa.c (output_call): Likewise.
10752 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
10754 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
10756 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
10759 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
10762 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
10764 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
10765 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
10767 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
10769 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10771 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
10773 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10775 * tree.h (lang_identify): Constify a char*.
10776 (print_error_function): Add extern prototype. Constify a char*.
10778 * c-lang.c (lang_identify): Constify a char*.
10780 * objc/objc-act.c (lang_identify): Constify a char*.
10782 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10784 * genpeep.c (main): Make generated file include "function.h".
10785 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
10787 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10789 * Makefile.in: Update dependencies.
10790 * alias.c: Include "function.h"
10791 * c-decl.c: Likewise.
10792 * caller-save.c: Likewise.
10793 * calls.c: Likewise.
10794 * combine.c: Likewise.
10796 * explow.c: Likewise.
10797 * final.c: Likewise.
10798 * global.c: Likewise.
10799 * graph.c: Likewise.
10800 * local-alloc.c: Likewise.
10801 * loop.c: Likewise.
10802 * optabs.c: Likewise.
10803 * profile.c: Likewise.
10804 * recog.c: Likewise.
10805 * regclass.c: Likewise.
10806 * regmove.c: Likewise.
10807 * reload.c: Likewise.
10808 * reorg.c: Likewise.
10809 * resource.c: Likewise.
10810 * sched.c: Likewise.
10811 * stupid.c: Likewise.
10812 * config/1750a/1750a.c: Likewise.
10813 * config/a29k/a29k.c: Likewise.
10814 * config/arc/arc.c: Likewise.
10815 * config/arm/arm.c: Likewise.
10816 * config/arm/thumb.c: Likewise.
10817 * config/c4x/c4x.c: Likewise.
10818 * config/clipper/clipper.c: Likewise.
10819 * config/convex/convex.c: Likewise.
10820 * config/fx80/fx80.c: Likewise.
10821 * config/i860/i860.c: Likewise.
10822 * config/m68k/m68k.c: Likewise.
10823 * config/m88k/m88k.c: Likewise.
10824 * config/mips/mips.c: Likewise.
10825 * config/pdp11/pdp11.c: Likewise.
10826 * config/pyr/pyr.c: Likewise.
10827 * config/romp/romp.c: Likewise.
10828 * config/sh/sh.c: Likewise.
10829 * config/tahoe/tahoe.c: Likewise.
10830 * config/vax/vax.c: Likewise.
10831 * config/we32k/we32k.c: Likewise.
10832 * config/sparc/sparc.c: Include "function.h".
10833 (mem_min_alignment): Test current_function rather than
10834 regno_pointer_align.
10835 * config/pa/pa.c: Likewise.
10836 (compute_frame_size): Delete declaration of
10837 current_function_outgoing_args_size.
10838 * config/arc/arc.h (current_function_varargs): Delete declaration.
10839 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
10841 * config/i370/i370.h (current_function_outgoing_args_size): Delete
10843 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
10844 current_function_uses_pic_offset_table.
10845 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
10846 of current_function_returns_pointer.
10847 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10848 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10849 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10850 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10851 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10852 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10853 * config/m88k/m88k.c: Include "function.h"
10854 (call_used_regs, current_function_pretend_args_size,
10855 current_function_outgoing_args_size, frame_pointer_needed): Delete
10857 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
10859 * config/mips/mips.h (current_function_calls_alloca): Delete
10861 * config/mn10200/mn10200.h (current_function_needs_context,
10862 rtx_equal_function_value_matters): Delete declarations.
10863 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
10864 flag_pic): Delete declarations.
10865 * config/pa/pa.h (current_function_pretend_args_size,
10866 current_function_decl): Delete declarations.
10867 * config/pa/som.h (current_function_varargs): Delete declaration.
10868 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
10870 * config/pyr/pyr.h (current_function_pretend_args_size,
10871 current_function_args_size, current_function_calls_alloca): Delete
10873 * config/sh/sh.h (current_function_varargs): Delete declaration.
10874 * config/sparc/sparc.h (current_function_outgoing_args_size,
10875 current_function_calls_alloca, current_function_decl): Delete
10877 * config/spur/spur.h (current_function_pretend_args_size,
10878 current_function_calls_alloca): Delete declarations.
10879 * config/v850/v850.c (current_function_outgoing_args_size): Delete
10881 * config/vax/vms.h (current_function_name): Delete declaration.
10882 * gcse.c: Include "function.h".
10883 (current_function_name, current_function_calls_setjmp): Delete
10885 * haifa-sched.c: Include "function.h".
10886 (forced_labels): Delete declaration.
10887 * jump.c: Likewise.
10888 * reg-stack.c: Likewise.
10889 * reload1.c: Likewise.
10890 * genemit.c (main): Make generated file include function.h.
10891 * genoutput.c (output_prologue): Likewise.
10893 * builtins.c (saveregs_value, apply_args_value): Delete variables.
10894 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
10895 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
10896 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
10897 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
10898 macros for some of them.
10899 (emit_filename, emit_lineno): Delete declarations.
10900 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
10901 regno_pointer_* variables through current_function.
10902 (gen_inline_header_rtx): Delete function.
10903 (save_emit_status): Delete function.
10904 (set_new_last_label_num): New function.
10905 (clear_emit_caches): New function.
10906 (restore_emit_status): Just clear last_labelnum and call
10908 (get_last_insn_anywhere): Variable sequence_stack is now accessed
10909 through macro seq_stack.
10910 (add_insn_after): Likewise.
10911 (add_insn_before): Likewise.
10912 (remove_insn): Likewise.
10913 (pop_topmost_sequence): Likewise.
10914 (in_sequence_p): Likewise.
10915 (start_sequence_for_rtl_expr): Likewise.
10916 (start_sequence): Likewise, and likewise for
10917 sequence_rtl_expr/seq_rtl_expr.
10918 (push_topmost_sequence): Likewise.
10919 (end_sequence): Likewise.
10920 (init_virtual_regs): Now takes a "struct emit_status *" argument.
10921 All callers changed. Store into that pointer instead of globals.
10922 (init_emit): Allocate emit elt of current_function.
10923 Changes for sequence_rtl_expr/sequence_stack renaming.
10924 Call clear_emit_caches instead of doing it in-line.
10925 Access regno_pointer_* variables through current_function.
10926 (init_emit_once) Don't clear sequence_stack.
10928 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
10930 (arg_pointer_save_area): Delete declaration.
10931 (finish_expr_for_function): Renamed from init_queue; no longer static.
10932 (init_expr): Don't call init_queue.
10933 (save_expr_status, restore_expr_status): Delete functions.
10934 (expand_expr): Changes to reflect new layout of struct function.
10935 Don't access current_function_check_memory_usage when current_function
10937 * expr.h (forced_labels, save_expr_regs, saveregs_value,
10938 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
10939 current_function_outgoing_args_size, current_function_arg_offset_rtx,
10940 current_function_uses_const_pool, function_call_count,
10941 current_function_uses_pic_offset_table, nonlocal_labels,
10942 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
10943 current_function_check_memory_usage, nonlocal_goto_handler_slots,
10944 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
10946 (finish_expr_for_function): Declare.
10947 * flags.h (current_function_has_nonlocal_label,
10948 current_function_has_nonlocal_goto, current_function_is_thunk,
10949 current_function_has_computed_jump): Delete declarations.
10950 * flow.c (forced_labels): Delete declaration.
10951 * function.c (current_function_pops_args,
10952 current_function_returns_struct, current_function_returns_pcc_struct,
10953 current_function_needs_context, current_function_calls_setjmp,
10954 current_function_calls_longjmp, current_function_has_nonlocal_label,
10955 current_function_has_nonlocal_goto, current_function_is_thunk,
10956 current_function_has_computed_jump, current_function_calls_alloca,
10957 current_function_contains_functions, current_function_returns_pointer,
10958 current_function_epilogue_delay_list, current_function_args_size,
10959 current_function_pretend_args_size, current_function_arg_offset_rtx,
10960 current_function_outgoing_args_size, current_function_varargs,
10961 current_function_stdarg, current_function_args_info, cleanup_label,
10962 current_function_name, current_function_uses_const_pool,
10963 current_function_instrument_entry_exit, current_function_return_rtx,
10964 current_function_uses_pic_offset_table, nonlocal_labels,
10965 current_function_internal_arg_pointer, current_function_cannot_inline,
10966 current_function_check_memory_usage, function_call_count,
10967 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
10968 nonlocal_goto_stack_level, return_label, save_expr_regs,
10969 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
10970 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
10971 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
10972 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
10973 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
10975 (push_function_context_to): Don't save them. Don't call
10976 save_storage_status, save_emit_status or save_expr_status.
10977 (pop_function_context_from): Don't restore them. Don't call
10978 restore_storage_status or restore_expr_status.
10979 (get_func_frame_size): New function.
10980 (get_frame_size): Use it.
10981 (assign_outer_stack_local): Reflect some member name changes in struct
10983 (put_reg_into_stack): Likewise.
10984 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
10986 (fixup_var_refs): Likewise.
10987 (fix_lexical_addr): Likewise.
10988 (trampoline_address): Likewise.
10989 (prepare_function_start): Clear field inlinable of current_function.
10990 (init_function_for_compilation): New function.
10991 (expand_dummy_function_end): New function.
10992 (expand_function_end): Call finish_expr_for_function.
10993 * function.h (struct emit_status): New; fields moved here from struct
10994 function and from global variables. Add accessor macros for some of
10996 (struct expr_status): Likewise.
10997 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
10998 (struct function): Add fields expr and emit, inlinable, inl_emit,
10999 original_arg_vector, original_decl_initial, inl_last_parm_insn,
11000 inl_max_label_num. Add many comments.
11001 Add accessor macros for all elts of struct function that no longer
11002 have a global variable.
11003 (cleanup_label, return_label, frame_offset, tail_recursion_label,
11004 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
11005 stack_slot_list): Delete declarations.
11006 (get_func_frame_size): Declare.
11007 (save_expr_status, restore_expr_status, save_emit_status,
11008 save_storage_status, restore_storage_status): Delete declarations.
11009 (init_virtual_regs): Declare.
11010 * output.h (current_function_pops_args,
11011 current_function_returns_struct, current_function_returns_pcc_struct,
11012 current_function_needs_context, current_function_calls_setjmp,
11013 current_function_calls_longjmp, current_function_calls_alloca,
11014 current_function_has_nonlocal_label, current_function_varargs,
11015 current_function_has_computed_jump, current_function_returns_pointer,
11016 current_function_contains_functions, current_function_args_size,
11017 current_function_pretend_args_size, current_function_stdarg,
11018 current_function_outgoing_args_size, current_function_args_info,
11019 current_function_name, current_function_return_rtx,
11020 current_function_epilogue_delay_list,
11021 current_function_uses_const_pool, current_function_cannot_inline):
11022 Delete declarations.
11023 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
11024 regno_reg_rtx): Delete declaration.
11025 (REGNO_POINTER_FLAG): Delete macro.
11026 * stmt.c (expand_goto): Changes to reflect that some fields in struct
11027 function were renamed.
11028 * stor-layout.c (save_storage_status, restore_storage_status): Delete
11030 * toplev.c: Include "function.h".
11031 (current_function_decl): Delete declaration.
11032 (compile_file): Call init_dummy_function_start and
11033 expand_dummy_function_end around some initializations that need to
11035 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
11036 Call init_function_for_compilation.
11037 * unroll.c: Include "function.h"
11038 (unroll_loop): Access regno_pointer_* variables through
11041 * tree.h (struct tree_decl): Add elt f to saved_insns member.
11042 (DECL_SAVED_INSNS): use it.
11043 (expand_dummy_function_end): Declare.
11044 (init_function_for_compilation): Declare.
11045 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
11046 that it's no longer an INLINE_HEADER.
11047 (expand_call): Likewise.
11048 * integrate.c (finish_inline): Delete function.
11049 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
11050 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
11051 args. Don't generate an INLINE_HEADER rtx, just return the arg
11052 vector. All callers changed.
11053 (save_for_inline_copying): Create a duplicate struct emit_status to
11054 hold the emit state for compiling the current function. Use this and
11055 the other new fields in struct function that are for integration
11056 instead of an INLINE_HEADER.
11057 Use memcpy instead of bcopy.
11058 Store the current struct function in DECL_SAVED_INSNS of fndecl.
11059 (save_for_inline_nocopy): Similar changes, except no new emit_status
11061 (expand_inline_function): Get information from function structure,
11062 not from an inline header rtx.
11063 (output_inline_function): Lose code to extract the necessary
11064 information from an inline header; simply put back the function
11065 structure into current_function. Clear its inlinable elt.
11066 * rtl.def (INLINE_HEADER): Delete.
11067 * rtl.h: Delete all accessors for an INLINE_HEADER.
11068 (gen_inline_header_rtx): Delete declaration.
11069 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
11070 Delete declarations.
11071 (REGNO_POINTER_ALIGN): Delete.
11072 (clear_emit_caches): Declare.
11073 (set_new_last_label_num): Declare.
11075 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
11077 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
11079 * except.c (expand_eh_region_start_for_decl): Always start a new block.
11080 * stmt.c (is_eh_region): Make sure current_function is present, too.
11082 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
11084 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
11085 for 64bit PA targets.
11087 * pa.h (SELECT_SECTION): Define.
11088 * som.h (SELECT_SECTION): Delete.
11090 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11092 * alias.c (init_alias_analysis): Wrap call to
11093 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
11095 1999-08-07 Bruce Korb <autogen@linuxbox.com>
11097 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
11098 <sys/asm.h> contains an asm comment with an apostrophe
11099 * fixinc/inclhack.sh: regen
11100 * fixinc/fixincl.x: regen
11102 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
11104 * function.c (init_function_start): Clear prologue & epilogue.
11105 (prologue_epilogue_contains): New function.
11106 * alias.c (init_alias_analysis): Use it.
11107 * rtl.h (prologue_epilogue_contains): Declare it.
11109 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
11111 * jump.c (onlyjump_p): New function.
11112 * rtl.h: Declare it.
11113 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
11114 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
11116 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
11118 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
11119 to invert loops. Simplify block scanning.
11121 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11123 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
11124 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
11126 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
11128 * config/sparc/liteelf.h: New file to support sparclite-elf target
11129 * config/sparc/t-sp86x: New file to support sparc86x targets
11130 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
11131 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
11132 * configure.in: Support above target triplets
11133 * configure: Regenerated
11135 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
11137 * fixinc/server.c (server_setup): Do not prefix function used as
11138 parameter with `&'.
11140 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
11142 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
11143 Remove fp reg alternatives.
11145 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
11147 * Makefile.in (TAROUTOPTS): Kill.
11148 (install-headers-tar): Use "xpf" for tar headerfile extraction
11149 * i370/x-oe (TAROUTOPTS): Delete.
11150 * m68k/x-apollo68 (TAROUTOPTS): Delete.
11151 * m68k/x-hp320 (TAROUTOPTS): Delete.
11152 * m68k/x-hp320g (TAROUTOPTS): Delete.
11153 * gcc.texi: Update bug reporting text.
11155 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11157 * reg-stack.c (change_stack) Fixed problem with negative array index.
11159 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
11161 * extend.texi, install.texi: Fix spelling mistakes.
11163 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
11164 (s-attrtab); No longer try to use pre-made insn-attrtab file.
11165 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
11166 PREMADE_ATTRTAB_MD.
11167 * mips/t-ecoff: Likewise.
11168 * mips/t-elf: Likewise.
11169 * mips/t-mips: Likewise.
11170 * mips/t-osfrose: Likewise.
11171 * mips/t-r3900: Likewise.
11172 * mips/t-svr3: Likewise.
11173 * mips/t-svr4: Likewise.
11174 * mips/t-ultrix: Likewise.
11176 * gcc.texi: Document recommend means to provide software floating
11177 point libraries in libgcc.a
11179 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
11181 * c-lex.c (yylex): We can have a number with no digits.
11183 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
11185 * jump.c (delete_prior_computation): New function, broken
11186 out of delete_computation. Check for side effects with
11187 side_effects_p instead of FIND_REG_INC_NOTE. Handle
11188 multi-word hard registers.
11189 (delete_computation): Use it. Check for side effects with
11190 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
11191 missing REG_DEAD note for a register which is both set and
11194 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
11196 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
11197 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
11198 (ASM_FILE_START): Import _mcount with the right type.
11199 (ASM_DECLARE_FUNCTION_NAME): Define.
11200 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
11201 * pa.c (output_function_prologue): Always emit the function's label
11203 * pa.h (TEXT_SPACE_P): Define.
11204 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11205 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
11206 * som.h (TEXT_SPACE_P): Delete.
11207 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11208 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
11210 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
11212 * expr.c (emit_group_load): Allow src to be a CONCAT.
11214 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11216 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
11217 (___mulsi3): Use '!' comment character.
11219 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11221 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
11223 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
11225 * gcc.c: Update URLs and mail addresses.
11226 * gcc.texi: Likewise.
11228 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
11230 * rs6000.c (current_file_function_operand): Return zero for
11232 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
11234 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
11237 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
11239 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
11240 allocate space in the stack frame for the PIC register.
11242 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
11244 * m68k.md (xordi3, anddi3): These patterns are not available on
11247 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
11249 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
11250 (PUT_REAL): Likewise.
11252 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11254 * final.c (shorten_branches): Don't add an alignment for loops
11255 that have no label inside.
11257 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11259 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
11260 prototypes in macro HAVE_cmpstrsi.
11262 * cpplib.c (cpp_get_token): Remove unused label `op3'.
11264 * emit-rtl.c (operand_subword): Remove unused variable
11267 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
11269 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
11271 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
11273 * cpphash.c (macroexpand): Delete leading whitespace when arg
11274 is concatenated before.
11275 (unsafe_chars): Correct test for whether + and - can extend a
11278 * cppinit.c (cpp_start_read): Do dependencies for
11279 -include/-imacros files also.
11281 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
11282 tokenizing non-directive lines.
11283 (cpp_expand_to_buffer): Temporarily disable no-output mode.
11284 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
11287 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11289 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
11291 * c-lex.c: Sync with C++ frontend.
11292 (linemode): New variable.
11293 (parse_float): imag, conversion_errno, and type are output only.
11294 (yylex): Adjust. Move initial '.' case into main switch.
11296 (handle_generic_pragma): Just deal with tokens.
11297 (readescape): Use ISXDIGIT and ISGRAPH.
11298 * c-parse.in: Add END_OF_LINE token.
11300 * c-lex.c (lang_init): Generalize.
11301 (nextchar): Remove. Replace uses with UNGETC.
11302 (skip_white_space): Handle linemode here. Optimize for cpplib.
11303 (skip_white_space_on_line): Remove.
11304 (extend_token_buffer_to): New fn.
11305 (extend_token_buffer): Use it.
11306 (read_line_number, check_newline): Just deal with tokens.
11307 (token_getch, token_put_back): New fns.
11308 (yylex): Use them. More cpplib optimizations. Simplify.
11310 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11311 Jason Merrill <jason@yorick.cygnus.com>
11313 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
11314 (consume_string): Make this smart about USE_CPPLIB.
11315 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
11316 (yylex): Rewrite to be intelligent about USE_CPPLIB.
11317 Also, clean up cases where we redundantly set token_buffer[0].
11318 (read_line_number): New fn.
11319 (ignore_escape_flag): New variable.
11321 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
11323 * a29k/t-a29kbare: Fix some comments.
11324 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
11325 (FPBIT, DPBIT): Define.
11326 * a29k/t-vx29k: Likewise.
11327 * arc/t-arc: Likewise.
11328 * arm/t-arm-elf: Likewise.
11329 * arm/t-bare: Likewise.
11330 * arm/t-pe: Likewise.
11331 * arm/t-pe-thumb: Likewise.
11332 * arm/t-semi: Likewise.
11333 * arm/t-thumb: Likewise.
11334 * arm/t-thumb-elf: Likewise.
11335 * arm/t-thumb-linux: Likewise.
11336 * h8300/t-h8300: Likewise.
11337 * i960/t-i960: Likewise.
11338 * i960/t-vxworks960: Likewise.
11339 * m32r/t-m32r: Likewise.
11340 * mips/t-ecoff: Likewise.
11341 * mips/t-elf: Likewise.
11342 * mips/t-r3900: Likewise.
11343 * pa/t-pro: Likewise.
11344 * rs6000/t-aix43: Likewise.
11345 * rs6000/t-beos: Likewise.
11346 * rs6000/t-newas: Likewise.
11347 * rs6000/t-ppccomm: Likewise.
11348 * rs6000/t-rs6000: Likewise.
11349 * rs6000/t-winnt: Likewise.
11350 * rs6000/t-xnewas: Likewise.
11351 * rs6000/t-xrs6000: Likewise.
11352 * sh/t-sh: Likewise.
11353 * sparc/t-elf: Likewise.
11354 * sparc/t-sparcbare: Likewise.
11355 * sparc/t-sparclite: Likewise.
11356 * sparc/t-splet: Likewise.
11357 * v850/t-v850: Likewise.
11358 * mn10200/t-mn10200: Fix comments.
11359 * mn10300/t-mn10300: Likewise.
11361 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
11362 dummy operand. Allocate a new pseudo for the dummy operand.
11363 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
11365 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
11367 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
11369 * configure: Rebuilt.
11370 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
11372 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
11374 * recog.c (preproces_constraints): Zero recog_op_alt before
11375 processing the constraints.
11377 * arm.c (typedef minipool_node): Renamed from pool_node.
11378 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
11379 (add_minipool_constant): New function.
11380 (dump_minipool): New function.
11381 (find_barrier): Remove special case for getting the insn size of
11382 an insn that references the constant pool.
11383 (minipool_fixup): New structure.
11384 (push_minipool_barrier): New function.
11385 (push_minipool_fix): New function.
11386 (note_invalid_constants): New function.
11387 (add_pool_constant, dump_table, fixit, broken_move): Delete.
11388 (arm_reorg): Rewrite code to fix up the constant pool into a
11389 series of mini-pools embedded in the insn stream.
11390 (arm_output_epilogue): New function, made mainly from the body
11391 of output_func_epilogue.
11392 (output_func_epilogue): Move insn generation part of epilogue code
11393 to arm_output_epilogue.
11394 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
11395 * arm.md (pool_range): New attribute.
11396 (zero_extendqidi2): Add attribute pool_range.
11397 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
11398 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
11399 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
11400 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
11401 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
11402 (epilogue): New expand.
11403 (epilogue_insn): New insn. Call arm_output_epilogue.
11405 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
11406 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
11408 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11410 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
11412 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11414 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
11416 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
11418 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
11420 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
11422 * global.c: Fix comment.
11424 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
11426 * gcc.c (access_check): New static function.
11427 (find_a_file): Use it when searching a directory list.
11428 * collect2.c (find_a_file): Don't accept directories found when
11429 searching a directory list.
11431 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
11433 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
11434 function parameters with `&'.
11435 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
11437 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
11439 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
11440 or tidy_fallthru_edge if the last insn in the block is not
11441 an unconditional jump or a simple conditional jump.
11443 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11445 * Makefile.in (c-decl.o): Depends on defaults.h.
11447 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
11449 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
11451 (CLASS_MAX_NREGS): Likewise.
11453 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
11455 * cse.c (cse_insn): Fix dumb thinko in last change.
11457 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11459 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
11462 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
11464 * dwarf2out.c (add_location_or_const_value_attribute): Correct
11465 test for sizes of passed and declared parameter types.
11467 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11469 * fixincludes: Fix the return type of bsearch, char* -> void*.
11471 * fixinc/inclhack.def: Likewise.
11473 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
11475 * invoke.texi (-fdump-translation-unit): New option.
11477 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
11479 * expr.h (PROMOTE_PROTOTYPES): Move ...
11480 * defaults.h: ... to here.
11481 * c-decl.c: Include defaults.h instead of expr.h.
11482 * c-typeck.c: Include defaults.h.
11484 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
11486 * toplev.h (errorcount): Declare.
11487 (warningcount): Likewise.
11488 (sorrycount): Likewise.
11489 * c-lex.c (errorcount): Don't declare.
11490 * dwarf2out.c (errorcount): Don't declare.
11492 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
11494 * config/libgloss.h: Add a note discouraging use with ELF.
11495 * configure.in: Don't use libgloss.h for ELF targets.
11496 Always use_collect2 on a.out targets.
11498 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
11500 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
11501 (force_to_mode, case ASHIFTRT): Add shiftrt label.
11503 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11505 * loop.c (strength_reduce): When doing biv->giv conversion, update
11506 reg note of NEXT->insn.
11508 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11510 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
11512 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11514 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
11515 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
11516 Ensure expr.h is included.
11517 * c-typecheck.c (convert_arguments): Ditto.
11519 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
11521 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
11522 * config/convex/convex.h: Ditto.
11523 * config/dsp16xx/dsp16xx.h: Ditto.
11524 * config/fx80/fx80.h: Ditto.
11525 * config/gmicro/gmicro.h: Ditto.
11526 * config/i370/i370.h: Ditto.
11527 * config/i386/i386.h: Ditto.
11528 * config/m32r/m32r.h: Ditto.
11529 * config/m68k/m68k.h: Ditto.
11530 * config/m88k/m88k.h: Ditto.
11531 * config/mips/mips.h: Ditto.
11532 * config/pa/pa.h: Ditto.
11533 * config/pyr/pyr.h: Ditto.
11534 * config/tahoe/tahoe.h: Ditto.
11535 * config/we32k/we32k.h: Ditto.
11537 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
11538 based on arch size.
11540 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
11542 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
11545 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
11547 1999-08-02 Richard Henderson <rth@cygnus.com>
11549 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
11550 for the register spill block.
11551 (m32r_va_arg): New.
11552 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
11553 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
11555 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
11556 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
11557 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
11559 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11561 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
11562 MAX_WCHAR_TYPE defined in sparc.h.
11563 * config/sparc/linuxaout.h: Likewise.
11564 * config/sparc/linux64.h: Likewise.
11565 Also default to -mvis if CPU is UltraSPARC.
11567 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11569 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
11570 (RTX_OK_FOR_OLO10): Likewise.
11571 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
11572 %lo(), allow it in addresses...
11573 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
11574 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
11575 does not make sense.
11576 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
11577 (sparc_output_scratch_registers): New function.
11578 (output_function_prologue, sparc_flat_output_function_prologue): Use
11580 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
11582 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
11583 * configure.in: Add check for .register pseudo-op support in as and
11584 check for offsetable %lo().
11585 * acconfig.h: Add templates for the above checks.
11586 * configure: Regenerate.
11588 1999-08-02 Richard Henderson <rth@cygnus.com>
11590 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
11591 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
11592 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
11594 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11596 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11599 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11601 * config/float-sparc.h: New file.
11602 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
11603 sparc-*-linux-gnu and sparc64-*-linux*.
11605 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11607 * rs6000.c (rs6000_va_list): Type is an array.
11608 (rs6000_va_start): Don't doubly adjust for varargs.
11609 (rs6000_va_arg): Evaluate long long GPR adjustment.
11611 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
11613 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
11614 -maix64 and -maix32.
11615 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
11616 LINK_SPEC): Change appropriately.
11617 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
11618 (u_short_cint_operand): Likewise.
11619 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
11621 * rs6000/t-aix43 (MULTILIB): Change to -m64.
11623 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
11625 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
11627 * rs6000/rs6000.c (num_insns_constant_wide): Correct
11628 for type promotion.
11629 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
11630 (non_add_cint_operand): Likewise.
11631 (logical_operand): Likewise.
11632 (non_logical_cint_operand): Likewise.
11633 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
11634 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
11635 (rs6000_select_rtx_section): Suppress warning.
11636 (small_data_operand): Suppress warning.
11637 (rs6000_got_register): Suppress warning.
11638 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
11639 type, so `J' is generally the wrong constraint for a SImode value;
11641 (andsi3_internal2): Likewise.
11642 (andsi3_internal3): Likewise.
11643 (iorsi3_internal1): Likewise.
11644 (xorsi3_internal1): Likewise.
11646 (movsf_softfloat): Likewise.
11647 (scc insns): Likewise.
11648 (movsi+2): Preserve sign bits of SImode constant.
11649 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
11650 (movdf+1): Sign-extend properly.
11651 (movdi_32+1): Sign-extend properly.
11652 (scc insns): Sign-extend properly.
11654 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
11657 1999-08-02 Richard Henderson <rth@cygnus.com>
11659 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
11660 -mcpu parsing code.
11661 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
11662 * alpha.md (all fp insns): Likewise.
11664 1999-08-02 Nick Clifton <nickc@cygnus.com>
11666 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
11669 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
11671 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
11672 pic_load_label generator directly.
11673 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
11674 No longer a named pattern.
11676 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
11678 * explow.c (force_reg): Call force_operand if X does not
11679 satisfy general_operand.
11681 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
11683 * fix-header.c (main): When testing for CONTINUED, use string
11684 equality, not pointer equality.
11686 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
11688 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
11690 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
11692 * cse.c (cse_insn): Fix loop which deletes insns after a jump
11693 that has become an unconditional jump.
11695 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
11696 (output_function_epilogue): Similarly.
11698 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11700 * tree.h (init_dummy_function_start): Declare.
11702 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11704 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
11705 last_expr_type, last_expr_value, block_start_count, block_stack,
11706 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
11707 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
11708 dynamically in stmt elt of struct function for each function.
11709 (struct nesting): Rename function_call_count elt to n_function_calls,
11710 target_temp_slot_level to block_target_temp_slot_level. All users
11712 (struct stmt_status): New structure definition.
11713 Add many accessor macros for stmt_status elements which previously
11714 were global variables.
11715 (init_stmt_for_function): Allocate stmt elt for current_function.
11716 Reflect that block_start_count was renamed to
11717 current_block_start_count.
11718 (save_stmt_status, restore_stmt_status): Delete functions.
11719 (preserve_subexpressions_p): Don't access loop_stack when outside
11721 (expand_start_bindings): Reflect that block_start_count was renamed to
11722 current_block_start_count.
11723 (expand_fixup): Likewise.
11724 (expand_decl): Don't access block_stack when outside a function.
11725 (expand_decl_cleanup): Likewise.
11726 (expand_dcc_cleanup): Likewise.
11727 (expand_dhc_cleanup): Likewise.
11728 (expand_anon_union_decl): Likewise.
11729 (set_file_and_line_for_stmt): New function.
11730 (in_control_zone_p): New function.
11732 * function.h (struct function): Add new elt stmt.
11733 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
11734 case_stack, nesting_stack, nesting_depth, block_start_count,
11735 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
11736 emit_lineno, goto_fixup_chain.
11737 (save_eh_status, restore_eh_status, save_stmt_status,
11738 restore_stmt_status): Delete declarations.
11739 * function.c (push_function_context_to): Don't call save_stmt_status.
11740 (pop_function_context_to): Don't call restore_stmt_status.
11741 * tree.h (in_control_zone_p): Declare.
11742 * rtl.h (set_file_and_line_for_stmt): Declare.
11744 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
11745 call set_file_and_line_for_stmt.
11747 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
11749 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
11750 Also update copyright.
11752 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11754 * c-pragma.c: Don't include "except.h".
11755 * emit-rtl.c: Likewise.
11756 * stor-layout.c: Likewise.
11757 * tree.c: Likewise.
11758 * varasm.c: Likewise.
11760 * flow.c: Include "function.h".
11761 * tree.h (init_dummy_function_start): Declare new function.
11763 * except.h (struct eh_status): New structure.
11764 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
11766 (eh_return_stub_label, ehstack, catchstack, ehqueue,
11767 catch_clauses, false_label_stack, caught_return_label_stack,
11768 protect_list, current_function_ehc): Add accessor macros for the
11769 corresponding fields in current_function->eh; delete declarations
11770 for all items that used to be declared here.
11771 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
11772 catch_clauses, false_label_stack, caught_return_label_stack,
11773 protect_list, current_function_ehc): Delete variables.
11774 (init_eh_for_function): Allocate current_function->eh.
11775 (save_eh_status, restore_eh_status): Delete functions.
11777 * function.h (struct function): Add fields next_global and eh.
11778 Delete all exception handling related fields.
11779 * function.c (current_function): New variable.
11780 (all_functions): New variable.
11781 (push_function_context_to): Don't allocate a struct function,
11782 use current_function instead. Call init_dummy_function_start when
11783 outside a function. Clear current_function before returning.
11784 (pop_function_context_from): Restore current_function.
11785 Don't free the restored struct function.
11786 (prepare_function_start): New function.
11787 (init_dummy_function_start): New function.
11788 (init_function_start): Break out some code into prepare_function_start
11791 * stmt.c (save_stmt_status): Don't call save_eh_status.
11792 (restore_stmt_status): Don't call restore_eh_status.
11794 * Makefile.in: Update dependencies.
11796 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
11798 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
11799 of depending on a magic constant value. Update comments.
11800 (hppa_expand_prologue): Similarly.
11802 * pa.md (reload_indi, reload_outdi): Allow any register for the
11803 original reload register.
11805 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
11807 * cccp.c (print_help): Change marcos to macros.
11809 1999-07-30 Richard Henderson <rth@cygnus.com>
11811 * c-typeck.c (initializer_constant_valid_p): Move ...
11812 * c-common.c (initializer_constant_valid_p): ... here. Use
11813 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
11814 of label addresses.
11815 * c-common.h (initializer_constant_valid_p): Declare.
11816 * c-tree.h (initializer_constant_valid_p): Remove.
11818 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
11820 * config/i386/sol2-c1.asm: Align the stack.
11821 * config/i386/sol2-gc1.asm: Likewise.
11823 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
11825 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
11826 -Asparclite for sparc86x.
11827 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
11829 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
11831 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
11833 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
11834 the user if using the non-default arch size in BI_ARCH configuration.
11835 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
11837 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
11838 Fix patterns so that they actually match.
11839 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
11840 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
11841 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
11843 (mulsidi3): Reflect this in the expand.
11844 (smulsi3_highpart): Only on TARGET_ARCH32.
11845 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
11846 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
11847 (umulsidi3): Reflect this in the expand.
11848 (umulsi3_highpart): Only on TARGET_ARCH32.
11849 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
11850 don't require g0 to be zero.
11851 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
11852 ({,u}divsi3): New expands.
11853 ({,u}divsi3_sp64): New patterns.
11854 (after lshrdi3_v8plus): Four new patterns to help combiner
11855 optimizing nested mixed mode shifts.
11857 * config/sparc/sparc.c (sparc_override_options): Use deprecated
11858 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
11859 speed things up. Don't use them by default on plain v9 in 64bit
11860 mode, according to what SPAMv9 sais.
11862 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
11863 top 32 bits of %[og][0-7] in signal handlers.
11864 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
11866 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
11868 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
11869 (ashlsi3): Corresponding changes.
11871 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
11873 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
11875 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
11877 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11879 * arm.h (Hint): Delete macro.
11880 Substitute HOST_WIDE_INT for Hint in some prototypes.
11881 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
11883 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
11885 * builtins.c (expand_builtin_setjmp): Use force_operand to
11886 make sure that the buffer address is in a suitable form to be
11887 passed to force_reg.
11889 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
11891 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
11894 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
11896 * pa.md (indirect_jump): Remove mode from match_operand. Verify
11897 proper mode in the condition string.
11898 (icacheflush, dcacheflush): Remove modes from match_operands.
11900 * pa.c (emit_move_sequence): Always convert scratch_reg to the
11901 proper mode before using it.
11903 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
11906 * pa.c (store_reg): Do not call add_high_const generator directly.
11907 (load_reg, set_reg_plus_d): Likewise.
11908 * pa.md (add_high_const): No longer a named pattern.
11910 * pa.c (legitimize_address): Consistently use Pmode rather than
11911 SImode. Do not call gen_pic2_highpart directly anymore.
11912 * pa.md (pic2_highpart): No longer a named pattern.
11913 (pic2_lo_sum): Similarly. Reformat to make more readable.
11915 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
11920 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11922 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
11924 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
11926 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
11927 and tag the spill mems.
11928 (hppa_va_start): New.
11929 (hppa_va_arg): New.
11930 * pa.h (EXPAND_BUILTIN_VA_START): New.
11931 (EXPAND_BUILTIN_VA_ARG): New.
11933 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
11935 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
11936 and tag the spill mems.
11937 (mn10300_va_start): New.
11938 (mn10300_va_arg): New.
11939 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
11940 (EXPAND_BUILTIN_VA_ARG): New.
11942 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
11944 * mn10200.c (mn10200_va_arg): New.
11945 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
11947 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
11949 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
11950 rather than play with TREE_INT_CST_LOW.
11952 1999-07-27 Philip Blundell <pb@nexus.co.uk>
11954 * config/arm/telf.h: Include dbxelf.h.
11955 (CPP_PREDEFINES): Only define if not already defined.
11956 (ASM_IDENTIFY_GCC): Likewise.
11957 (SUBTARGET_EXTRA_SECTIONS): Likewise.
11958 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
11959 * config/arm/thumb.h (LINK_SPEC): Only define if not already
11961 (DBX_DEBUGGING_INFO): Don't define.
11962 * config/arm/linux-telf.h: New file.
11963 * config/arm/linux-tgas.h: New file.
11964 * config/arm/t-thumb-linux: New file.
11965 * config/arm/uclinux-elf.h: New file.
11966 * config/arm/uclinux-telf.h: New file.
11967 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
11968 thumb-*-uclinux): New targets.
11969 * configure: Regenerate.
11971 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
11973 * pa.md (post_store, pre_load): New expanders.
11974 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
11975 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
11976 need to directly generate RTL for them.
11977 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
11980 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
11982 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
11983 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
11984 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
11985 (secndary_reload_class): Make TARGET_ELF conditional compile.
11986 (print_operand_address): Similar.
11987 (output_toc): Print all values as hex.
11988 (get_issue_rate): Rearrange and add RS64A and PPC630.
11989 * rs6000.h (processor_type): Add RS64A and PPC630.
11990 (PROCESSOR_POWERPC64): New.
11991 (PROMOTE_MODE): Use word_mode.
11992 (RTX_COSTS): Add RS64A and PPC630.
11993 * rs6000.md (scheduling information): Add lmul and ldiv
11994 representing 64-bit integer multiply and divide. Add rs64a and
11995 PPC630 information.
11996 (ashldi3): Add support for "rldic" instruction.
11997 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
11999 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
12001 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
12002 instead of V8 for sparclite86x in cpu_table.
12004 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12006 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
12007 output_file_directive.
12009 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
12011 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
12012 tree for op1, not the rtl.
12014 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
12016 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
12017 to m88k_va_start, leaving only the register spill.
12018 (m88k_build_va_list): New.
12019 (m88k_va_start): New.
12020 (m88k_va_arg): New.
12021 * m88k.h (BUILD_VA_LIST_TYPE): New.
12022 (EXPAND_BUILTIN_VA_START): New.
12023 (EXPAND_BUILTIN_VA_ARG): New.
12025 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
12027 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
12028 Rename from expand_builtin_saveregs.
12029 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
12031 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
12033 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
12034 for the register spill block.
12035 (i960_build_va_list): New.
12036 (i960_va_start): New.
12037 (i960_va_arg): New.
12038 * i960.h (BUILD_VA_LIST_TYPE): New.
12039 (EXPAND_BUILTIN_VA_START): New.
12040 (EXPAND_BUILTIN_VA_ARG): New.
12041 * i960.md (store_multiple): Use change_address on individul mems.
12043 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
12045 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
12047 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
12048 (expand_builtin_va_end): Evaluate arg for side effects.
12049 * c-common.c (c_common_nodes_and_builtins): Construct a
12050 va_list_arg_type_node to handle array decomposition to pointer.
12052 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
12054 * except.c (start_dynamic_cleanup): Use force_operand on the
12057 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
12059 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
12060 * c4x.c (c4x_va_arg): New.
12062 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
12064 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
12065 has manual_pop set.
12067 1999-07-26 Nathan Sidwell <nathan@acm.org>
12069 * eh-common.h (__eh_matcher): Prototype correctly.
12071 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
12073 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
12074 (TARGET_SINGLE_PIC_BASE): Likewise.
12075 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
12077 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
12078 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
12079 (TARGET_OPTIONS): Add -mpic-register=N.
12080 (OUTPUT_INT_ADDR_CONST): New macro.
12081 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
12082 LEGITIMATE_PIC_OPERAND_P): Likewise.
12083 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
12084 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
12085 output_addr_const directly.
12086 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
12088 (thumb_pic_register, thumb_pic_register_string): Declare.
12090 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
12092 (label_mentioned_p): New function: Imported from arm.c.
12093 (legitimize_pic_address): New function: Imported from arm.c.
12094 (is_pic):New function: Imported from arm.c.
12095 (thumb_finalize_pic):New function: Imported from arm.c.
12096 (add_constant): Cope with PIC constants.
12097 (fixit): Cope with PIC constants.
12098 (output_return): Do not treat the PIC register as live if
12099 TARGET_SINGLE_PIC_BASE is true.
12100 (thumb_function_prologue): Do not treat the PIC register as live if
12101 TARGET_SINGLE_PIC_BASE is true.
12102 (thumb_expand_prologue): Do not treat the PIC register as live if
12103 TARGET_SINGLE_PIC_BASE is true.
12104 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
12105 TARGET_SINGLE_PIC_BASE is true.
12106 (thumb_print_operand): Accept '|'.
12107 (thumb_override_options): Process PIC options.
12109 * config/arm/thumb.md (movsi): Support PIC.
12110 (call_insn): Change "i" constraint to "X".
12111 (call_value_insn): Likewise.
12112 (consttable_4, consttable_8, consttable_end): Set and clear
12113 "making_const_table" as appropriate.
12114 (pic_load_addr, pic_add_dot_plus_four): New insns.
12116 * invoke.texi (Thumb Options): Fix spelling. Document new
12117 options -msingle-pic-base and -mpic-register=.
12119 1999-07-26 Andrew Haley <aph@cygnus.com>
12121 * config/m32r/initfini.c (__init): Use a full word immediate for
12122 __fini: this allows it to be placed in any memory region.
12124 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
12125 -mmodel=medium. This is OK for all memory models.
12127 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
12129 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
12130 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
12132 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
12134 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
12137 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
12139 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
12141 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
12142 (BUILD_VA_LIST_TYPE): New.
12143 (EXPAND_BUILTIN_VA_START): New.
12144 (EXPAND_BUILTIN_VA_ARG): New.
12145 * i860.c (output_delayed_branch): Disable.
12146 (output_delay_insn): Likewise.
12147 (i860_saveregs): New.
12148 (i860_build_va_list): New.
12149 (i860_va_start): New.
12150 (i860_va_arg): New.
12151 * i860.md: Disable all peepholes using output_delayed_branch.
12152 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
12154 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
12156 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
12157 (BUILD_VA_LIST_TYPE): New.
12158 (EXPAND_BUILTIN_VA_START): New.
12159 (EXPAND_BUILTIN_VA_ARG): New.
12160 * clipper.c (clipper_builtin_saveregs): Only dump registers.
12161 Return the address of the save area.
12162 (clipper_build_va_list): New.
12163 (clipper_va_start): New.
12164 (clipper_va_arg): New.
12166 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
12168 * arc.h (EXPAND_BUILTIN_VA_START): New.
12169 (EXPAND_BUILTIN_VA_ARG): New.
12170 * arc.c (arc_setup_incoming_varargs): Set alias set of
12172 (arc_va_start): New.
12175 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
12177 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
12178 (BUILD_VA_LIST_TYPE): New.
12179 (EXPAND_BUILTIN_VA_START): New.
12180 (EXPAND_BUILTIN_VA_ARG): New.
12181 * alpha.c (alpha_builtin_saveregs): Delete.
12182 (alpha_build_va_list): New.
12183 (alpha_va_start): New.
12184 (alpha_va_arg): New.
12186 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
12188 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
12190 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
12191 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
12193 * gcc.texi: More changes related to list conversion.
12194 * invoke.texi: Likewise.
12196 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
12198 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
12199 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
12200 (expand_builtin_next_arg): Accept ARGLIST not EXP.
12201 (stabilize_va_list): New function.
12202 (std_expand_builtin_va_start): New function.
12203 (expand_builtin_va_start): New function.
12204 (get_varargs_alias_set): New function.
12205 (std_expand_builtin_va_arg): New function.
12206 (expand_builtin_va_arg): New function.
12207 (expand_builtin_va_end): New function.
12208 (expand_builtin_va_copy): New function.
12209 (expand_builtin): Call them.
12210 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
12211 __builtin_{varargs_start,stdarg_start,end,copy}.
12212 (build_va_arg): New function.
12213 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
12214 (build_va_arg): Declare.
12215 * c-decl.c (ptr_type_node, va_list_type_node): New.
12216 * c-parse.gperf (__builtin_va_arg): New.
12217 * c-parse.in (VA_ARG): New token.
12218 (unary_expr): Recognize it.
12219 * expr.c (expand_expr): Expand VA_ARG_EXPR.
12220 * expr.h (std_expand_builtin_va_start): Declare.
12221 (std_expand_builtin_va_arg): Declare.
12222 (expand_builtin_va_arg): Declare.
12223 (get_varargs_alias_set): Declare.
12224 * tree.def (VA_ARG_EXPR): New.
12225 * tree.h (BUILT_IN_VARARGS_START): New.
12226 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
12227 (ptr_type_node, va_list_type_node): Declare.
12228 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
12229 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
12230 * m88k.h, m88k.c: Likewise.
12231 * mn10300.h, mn10300.c: Likewise.
12232 * pa.h, pa.c: Likewise.
12233 * rs6000.h, rs6000.c: Likewise.
12234 * sh.h, sh.c: Likewise.
12235 * sparc.h, sparc.c: Likewise.
12237 * emit-rtl.c (operand_subword): Copy alias set.
12238 (change_address): Likewise.
12240 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
12242 * pa.c (compute_frame_size): Scan all the used callee saved registers,
12243 not just the first one.
12245 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
12247 * config/arm/arm.h (TARGET_SWITCHES): Add
12248 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
12249 (TARGET_OPTIONS): Add -mpic-register=.
12250 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
12251 (arm_pic_register_string): Declare.
12252 (NEED_PLT_GOT): Delete, replace with ...
12253 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
12254 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
12255 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
12256 * config/arm/arm.c (arm_override_options): Add new option
12258 (arm_pic_register_string): New variable.
12259 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
12260 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
12261 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
12262 (output_return_instruction): Likewise.
12263 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
12264 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
12265 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
12267 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
12268 mention of -msched-prolog. Document new options -msingle-pic-base
12269 and -mpic-register=.
12271 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
12273 * haifa-sched.c (reemit_notes): Tidy.
12274 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
12277 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
12279 * explow.c (trunc_int_for_mode): New function.
12280 (plus_constant_wide): Use it.
12281 * combine.c (simplify_and_const_int): Likewise.
12282 (merge_outer_ops): Likewise.
12283 (simplify_shift_const): Likewise.
12284 * cse.c (simplify_unary_operation): Likewise.
12285 (simplify_binary_operation): Likewise.
12286 * emit-rtl.c (operand_subword): Likewise.
12287 * rtl.h: Declare it.
12289 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12291 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
12292 (use NUM_REGS instead of NUM_INTS).
12294 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12296 * builtins.c: New file.
12297 * expr.c (saveregs_value, apply_args_value): Delete definition,
12298 moved into builtins.c.
12299 (string_constant): No longer static.
12300 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
12301 apply_args_size, apply_result_size, result_vector,
12302 expand_builtin_apply_args, expand_builtin_apply,
12303 expand_builtin_return): Delete functions, moved into builtins.c.
12304 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
12305 * expr.h (saveregs_value, apply_args_value): Declare variables.
12306 (expand_builtin, string_constant): Declare functions.
12307 * Makefile.in: Update to build builtin.o.
12309 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
12311 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
12312 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
12313 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
12314 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
12316 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
12319 1999-07-21 Michael Meissner <meissner@cygnus.com>
12321 * print-rtl.c (print_rtx): Print the names of the virtual
12324 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
12326 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
12327 introduced in previous delta.
12329 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12331 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
12332 to avoid name clash.
12334 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
12336 * c-lex.c (yylex) : Correct the test for overflow when lexing
12339 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
12341 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
12342 (adjust_priority): Always call ADJUST_PRIORITY.
12343 (schedule_insn): Only put insns into the ready at cost 0.
12344 (schedule_block): Remove redundant initial sort. Give clock_var
12345 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
12347 * tm.texi (MD_SCHED_REORDER): Update docs.
12349 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
12350 * sparc.c (ultra_reorder_called_this_block): Delete.
12351 (ultrasparc_sched_init): Don't set it.
12352 (ultrasparc_sched_reorder): Don't check it.
12354 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
12356 * rs6000.h (struct rs6000_args): Add sysv_gregno.
12357 * rs6000.c (init_cumulative_args): Init sysv_gregno.
12358 (function_arg_boundary): Align DFmode.
12359 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
12360 to get fp reg and stack overflow correct.
12361 (function_arg): Likewise.
12362 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
12363 (setup_incoming_varargs): Restructure for ABI_V4; use
12364 function_arg_advance to skip final named argument.
12365 (expand_builtin_saveregs): Properly unskip the last integer arg
12366 when doing varargs. Adjust overflow location calculation.
12368 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
12369 explicitly unsigned.
12370 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
12371 (__VA_GP_REGSAVE): Similarly.
12372 (__va_longlong_p): Delete.
12373 (__va_arg_type_violation): New declaration.
12374 (va_arg): Restructure. Flag promotion errors. Align double.
12375 TFmode passed by reference.
12377 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
12378 in the HOST_BITS_PER_WIDE_INT > 32 case.
12380 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
12382 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
12384 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
12386 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
12387 * toplev.c (documented_lang_options): Add -fpreprocessed.
12388 * cpplib.h (struct cpp_buffer): Add preprocessed.
12389 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
12390 (cpp_start_read): Don't expand macros or emit an initial #line
12391 directive if -fpreprocessed.
12393 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
12395 * cpplib.h (struct cpp_buffer): Added manual_pop for
12396 better C++ tokenization.
12397 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
12398 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
12399 * c-common.c (cpp_token): Make non-static.
12401 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12403 * c-common.h: New file.
12404 * c-common.c (permanent_obstack): Delete unused declaration.
12405 (c_global_trees): New array.
12406 (c_common_nodes_and_builtins): New function; split off common code
12407 from init_decl_processing in both c-decl.c and cp/decl.c.
12408 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
12409 c_global_trees and accessor macros defined in c-common.h.
12410 Include c-common.h.
12411 * c-decl.c: Delete definitions for tree nodes that were replaced by
12413 (init_decl_processing): Build void_list_node.
12414 Call c_common_nodes_and_builtins; delete code to generate the common
12416 * objc/objc-act.c (build_module_descriptor): Rename variable
12417 void_list_node to avoid clash with c-common.h.
12419 * Makefile.in: Update dependencies.
12420 * objc/Make-lang.in: Likewise.
12422 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
12424 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
12425 (UNIQUE_SECTION_P): Likewise.
12426 (UNIQUE_SECTION): Likewise.
12428 1999-07-19 Linas Vepstas <linas@linas.org>
12430 * config/i370/README: New file.
12431 * config/i370/linux.h: New file.
12432 * config/i370/mvs.h: New file.
12433 * config/i370/oe.h: New file.
12434 * config/i370/t-linux: New file.
12435 * config/i370/t-mvs: New file.
12436 * config/i370/t-oe: New file.
12437 * config/i370/x-oe: New file.
12438 * config/i370/xm-linux.h: New file.
12439 * config/i370/xm-mvs.h: New file.
12440 * config/i370/xm-oe.h: New file.
12442 * i370.c (label_node_t): Add first_ref_page, label_addr,
12443 label_first_ref, label_last_ref members.
12444 (mvs_need_base_reload): Renamed from mvs_label_emitted.
12445 (MAX_MVS_LABEL_SIZE): Define.
12446 (MAX_LONG_LABEL_SIZE): Define.
12447 (alias_node_t, alias_anchor, alias_number): New.
12448 (mvs_function_table): Reorder for EBCDIC.
12449 (ascebc, ebcasc): Unconditionally define.
12450 (i370_branch_dest, i370_branch_length): New functions.
12451 (i370_short_branch, i370_label_scan): New functions.
12452 (mvs_get_label): Renamed from mvs_add_label. Search for
12453 an existing label before creating a new one.
12454 (mvs_add_label): New function.
12455 (mvs_get_label_page): New function.
12456 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
12457 over the entire list.
12458 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
12459 (mvs_check_page) [TARGET_ELF_ABI]: New function.
12460 (mvs_add_alias, mvs_need_alias): New functions.
12461 (mvs_get_alias, mvs_check_alias): New functions.
12462 (handle_pragma): New function.
12463 (mvs_function_check): New function.
12464 (unsigned_jump_follows_p): Search harder.
12465 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
12466 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
12467 * i370.h (TARGET_VERSION): Delete.
12468 (CPP_SPEC, CPP_PREDEFINES): Delete.
12469 (mvs_label_emitted): Delete.
12470 (TARGET_EBCDIC): Delete.
12471 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
12472 (HANDLE_PRAGMA): Define.
12473 (HARD_REGNO_NREGS): Handle complex modes.
12474 (HARD_REGNO_MODE_OK): Likewise.
12475 (CLASS_MAX_NREGS): Likewise.
12476 (RET_REG): Likewise.
12477 (EXTRA_CONSTRAINT): Define.
12478 (RETURN_IN_MEMORY): True for DImode.
12479 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
12480 (FUNCTION_PROFILER): Delete.
12481 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
12482 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
12483 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
12484 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
12485 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
12486 (ASM_FILE_START): Add "RMODE ANY".
12487 (ASM_OUTPUT_EXTERNAL): Check for aliases.
12488 (ASM_GLOBALIZE_LABEL): Likewise.
12489 (ASM_OUTPUT_LABELREF): Likewise.
12490 (ASM_OUTPUT_COMMON): Likewise.
12491 (PRINT_OPERAND): Handle 'K', 'W', default.
12492 (PRINT_OPERAND_ADDRESS): New.
12493 (Lots of defines): Add support for TARGET_ELF_ABI.
12494 * i370.md (attr length): New. Define for all patterns.
12495 (*): Lots of tweeks to assembly output and constraints.
12497 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
12499 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
12500 Disable patterns performing SImode comparisons with SImode values
12501 if TARGET_POWERPC64 and instruction does not sign-extend or does
12502 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
12503 differ for signed quantities.
12504 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
12505 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
12506 (decrement_and_branch_on_count): Add 64-bit variant.
12508 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12510 * final.c (output_asm_insn): When searching for the matching string
12511 for a given dialect, don't run past the end of the list of
12512 alternatives if there are fewer alternatives in the template than
12515 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
12517 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
12518 Removed paragraph about compression of files and size limitation,
12519 duplicated in the FAQ. Use gcc-patches for posting patches.
12520 * gcc.c (main): Updated URL with bug reporting instructions to
12521 gcc.gnu.org. Removed e-mail address.
12522 * system.h (abort): Likewise.
12524 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12526 * Makefile.in (stmp-multilib-sub): Make the files extracted
12527 from $(LIBGCC1) writable.
12529 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
12531 * config/arm/aout.h: Reformat for improved readability.
12533 * config/arm/arm.h: Reformat for improved readability.
12534 Replace uses of fprintf with asm_fprintf where appropriate.
12535 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
12536 function declaration assembler actions.
12537 (NUM_INTS): New macro: Convert from bytes to words.
12538 (NUM_REGS): New macro: Compute number of registers required to
12539 hold a quanitity of tyep MODE.
12540 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
12542 (NUM_ARG_REGS): New macro: The number of argument registers
12544 (ARG_REGISTER): New macro: Compute the register number of the Nth
12546 (LAST_ARG_REGNUM): New macro: The number of the last argument
12548 (SP_REGNUM): New macro: Register number of the stack pointer.
12549 (FP_REGNUM): New macro: Register number of the frame pointer.
12550 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
12551 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
12552 CUMULATIVE_ARGS so that it counts registers not bytes.
12554 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
12556 Replace uses of fprintf with asm_fprintf where appropriate.
12557 (output_ascii_pseudo_op): Replace with version from thumb.c
12559 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
12561 * config/arm/elf.h (CPP_PREDEFINES): Replace with
12562 SUBTARGET_CPP_SPEC.
12563 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
12564 (ASM_FILE_START): Emit ASM_APP_OFF.
12566 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
12568 * pa.c (compute_frame_size): Round frame according to
12569 STACK_BOUNDARY rather than a hardwired value.
12571 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
12573 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
12575 * configure: Rebuilt.
12577 * configure.in (hppa*-*-linux*): New configuration.
12578 * configure: Rebuilt.
12579 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
12580 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
12581 * pa/pa-linux.h: New file.
12582 * pa/t-linux: New file.
12583 * pa/xm-linux.h: New file.
12585 * pa.c (hppa_legitimize_address): Change references from SImode to
12586 either Pmode or word_mode as appropriate.
12587 (emit_move_sequence, store_reg, load_reg): Likewise.
12588 (set_reg_plus_d, hppa_expand_prologue): Likewise.
12589 (output_mul_insn): Likewise.
12590 * pa.h (PROMOTE_MODE): Likewise.
12591 (INITIALZE_TRAMPOLINE): Likewise.
12592 (Pmode): Define to word_mode.
12594 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
12595 value of 4. Allocate 8 bytes for each FP register save.
12596 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
12598 (hppa_expand_prologue): Likewise.
12599 * pa.h (PROMOTE_MODE): Likewise.
12600 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
12601 (FUNCTION_ARG_BOUNDARY): Likewise.
12603 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
12605 * pa.c (out_of_line_prologue_epilogue): Delete.
12606 (override_options): Remove -mspace related code.
12607 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12608 (compute_frame_size): Only allocate space for register that
12609 actually need to be saved.
12610 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
12611 (TARGET_SWITCHES): Remove -mspace, -mno-space
12612 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
12613 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
12614 * pa/ee.asm, pa/ee_fp.asm: Delete.
12616 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
12618 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
12619 directive in column zero.
12621 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
12623 * m68k.c (output_function_prologue): Fix computation of save mask
12624 when generating PIC code.
12626 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
12628 * tree.c (build_type_attribute_variant): Move current_obstack restore
12629 after build_qualified_type call.
12631 1999-07-15 Mark Mitchell <mark@codesourcery.com>
12633 * configure.in: Use t-iris6, even with GNU LD.
12634 * config/mips/iris6gld.h: Fix typo in linker spec.
12635 * config/mips/t-iris6gld: Remove.
12637 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
12639 * rs6000.md (insv, extzv): Remove SImode dependence in named
12640 patterns. Explicitly generate DImode RTL if PowerPC64 and
12642 (insvdi): Reverse start and size in instruction template.
12644 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
12646 * invoke.texi: Typo fixes.
12648 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
12650 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
12651 handle at this time instead of silently generating incorrect code.
12652 (gen_imagpart): Likewise.
12654 * reload.c (find_reloads): Emit a USE for a pseudo register without
12655 a hard register if we could not create an optional reload for the
12658 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12660 * c-typeck.c (output_init_element, process_init_element):
12661 When advancing constructor_unfilled_fields for a RECORD_TYPE,
12662 check for nameless bit fields.
12664 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
12666 * regclass.c (scan_one_insn): Notice subregs that change the
12667 size of their operand.
12668 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
12670 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
12672 * configure.in (alpha*-*-*): Include alpha/t-ieee.
12673 * configure: Rebuilt.
12674 * alpha/t-ieee: New file.
12676 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
12678 * rs6000.c (find_addr_reg): Do not select r0 as an address
12681 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
12683 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
12685 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
12687 * rs6000.md (movsf): Do not force easy FP constants into memory.
12689 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
12690 immed_double_const to ensure they are properly truncated then
12693 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12695 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
12696 always unless NO_DEBUG is used. Compile this code
12698 (replace_symbols_in_block): Compile it unconditionally.
12700 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
12702 * configure.in (i?86-*-elf*): New target.
12703 * configure: Rebuilt.
12704 * i386/i386elf.h, i386/t-i386elf: New files.
12706 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
12708 * toplev.c (main): Don't complain about saying -gdwarf.
12709 (rest_of_compilation): Remove redundant code.
12711 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
12713 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
12715 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
12717 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
12718 "Li960R:", to avoid name clash.
12720 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12722 * loop.c (check_dbra_loop): When reversing a loop, delete all
12723 REG_EQUAL notes referencing the reversed biv except those which are
12724 for a giv based on it.
12726 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
12728 * version.c: Drop "gcc-" prefix from version #.
12730 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
12732 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
12733 the label if we're being verbose.
12735 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
12737 * m68k.c (output_function_prologue): Add pic register to mask
12738 if live and flag_pic.
12739 (output_function_epilogue): Likewise.
12741 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
12743 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
12744 directives in column zero.
12746 * pa/elf.h (ASM_FILE_START): Define.
12747 * pa/som.h (ASM_FILE_START): Include .level directives.
12748 * pa/hpux10.h (ASM_FILE_START): Delete.
12749 * pa/hpux11.h (ASM_FILE_START): Delete.
12751 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
12753 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12755 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
12756 when reload_out equals reload_in.
12758 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
12760 * invoke.texi (Spec Files): New node: Describe the contents of
12763 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
12765 * invoke.texi (DEC Alpha Options): Put @end table at
12766 beginning of line, to avoid confusing texi2html.
12768 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
12770 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
12771 introduced in previous delta.
12773 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12775 * reload1.c (gen_reload): When synthesizing a 3 operand add
12776 sequence, improve test for when to reload OP1 into the reload
12777 register instead of OP0.
12779 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
12781 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
12783 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
12785 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
12788 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
12790 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
12791 (va_dcl): Use __builtin_va_alist_t.
12793 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
12795 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
12796 on the permanent_obstack.
12797 * dwarfout.c (output_type): Likewise.
12799 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
12801 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12802 Merged from c-typeck.c and cp/typeck.c.
12803 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12804 Merged into c-common.
12806 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
12808 * c-lex.c (errorcount): Declare it.
12809 (finish_parse): Update errorcount when using CPPLIB.
12811 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
12813 * fixinc/inclhack.def(end_else_label): Double the backslash so
12814 sed gets a chance to see it.
12815 * fixinc/inclhack.sh: regen
12816 * fixinc/fixincl.x: regen
12818 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
12820 Add framework to support armv5 architecture when it becomes
12823 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
12824 (arm_arch5): New variable.
12825 (all_architectures): Add armv5 line.
12826 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
12827 -march=armv5 is specified on the command line.
12828 (arm_arch5): Export this variable.
12829 * invoke.texi: Document new string accepted by -march= switch for
12832 * config/arm/arm.h: Replace use of constant 12 as a register
12833 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12834 * config/arm/arm.c: Replace use of constant 12 as a register
12835 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12837 * config/arm/elf.h: Tidy up.
12838 * config/arm/coff.h: Tidy up.
12840 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
12842 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
12843 * gcc/config/mips/t-iris6gld: New file.
12844 * gcc/config/mips/iris6gld.h: Likewise.
12846 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
12848 * c-decl.c (widest_integer_literal_type_node,
12849 widest_unsigned_literal_type) : New.
12850 (init_decl_processing): Handle/use the two new types.
12851 * c-common.c (type_for_size,type_for_mode) : Same.
12852 * c-lex.c (yylex) : Same.
12853 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12855 * c-tree.h (widest_integer_literal_type_node,
12856 widest_unsigned_literal_type) : New.
12858 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
12860 * dwarfout.c (field_byte_offset): Correctly compute the object's
12861 byte offset for the first bit of a field which crosses an alignment
12862 boundary on a !BYTES_BIG_ENDIAN target.
12864 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
12866 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
12869 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
12870 Jeff Law <law@cygnus.com>
12872 * ginclude/varargs.h (va_dcl): Use word_mode for type of
12875 * except.c: Include intl.h.
12876 (expand_eh_return): Set current_function_cannot_inline.
12877 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
12878 * function.h (struct function): Add eh_return_stub_label.
12879 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
12880 * Makefile.in (except.o): Depend on intl.h.
12882 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
12884 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
12885 same as offsettable in cases 1 and 2.
12887 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
12889 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
12890 (extlh, extwh): Likewise.
12892 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
12894 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
12896 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
12898 * configure.in: Add arm-pe and thumb-pe targets.
12899 * configure: Regenerate.
12901 * thumb.c (arm_naked_function_p): New function: Determines if
12902 a function is naked (has no gcc generated prologue/epilogue).
12903 (is_called_in_ARM_mode): Return true if the func has the
12904 interfacearm attribute.
12905 (output_return): Do not generate a return for naked functions.
12906 (thumb_function_prologue): Do not generate a prologue for
12908 (thumb_expand_prologue): Do not generate a prologue for naked
12910 (thumb_expand_epilogue): Do not generate an epilogue for naked
12912 (arm_valid_machine_decl_attribute): New function, copied from
12913 arm.c: Permit naked and interfacearm attributes.
12915 * config/arm/pe.c: New file: Support code for arm-pe target.
12916 * config/arm/pe.h: New file: Header file for arm-pe target.
12917 * config/arm/tpe.h: New file: Header file for thumb-pe target.
12918 * config/arm/t-thumb-pe: New file: Makefile fragment for
12921 1999-07-01 Mark Kettenis <kettenis@gnu.org>
12923 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
12924 -fPIC or -fpic is specified.
12926 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
12928 * expr.c (emit_block_move): Use copy_to_mode_reg for
12929 !TARGET_MEM_FUNCTIONS case too.
12931 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
12933 * configure: Rebuilt.
12934 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
12935 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
12936 definitions made redundant by dbxelf.h inclusion. Delete
12937 lots of definitions related to assembly output that are
12938 specific to the SOM object format.
12939 * pa.c (output_function_prologue): Do not emit the function's
12941 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
12942 * pa-pro.h: Deleted.
12943 * som.h: New file with SOM specific definitions.
12944 * elf.h: New file with ELF specific definitions.
12946 * elfos.h (const_section): Output a tab before assembler directives.
12947 (ctors_section, dtors_section): Likewise.
12948 (ASM_OUTPUT_SECTION_NAME): Likewise.
12950 * pa/pa1.h: Delete unused file.
12952 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
12954 * configure.in (hppa*-hp-hpux11*): New configuration.
12955 * configure: Rebuilt.
12956 * pa/pa-hpux11.h: New file.
12957 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
12960 * mips.md (leasi, leadi): New patterns.
12962 * expr.c (emit_block_move): Properly handle case where one of the
12963 block move arguments has a queued increment or decrement.
12964 (clear_storage): Similarly. Fix formatting goof.
12966 1999-06-28 "David O'Brien" <obrien@NUXI.com>
12968 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
12969 semicolon from the BSD VA_LIST replacement expression.
12971 * fixinc/inclhack.sh: regen
12972 * fixinc/fixincl.x: regen
12974 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
12975 now use the fixincl program.
12977 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
12979 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
12980 case. Also make the PIC register call_used.
12982 * m68k.h (FINALIZE_PIC): Delete.
12983 * m68k.c (finalize_pic): Delete.
12985 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
12987 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
12990 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
12992 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
12994 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
12996 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
12998 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
13000 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
13002 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
13004 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
13006 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
13008 * rs6000.c (output_toc): Always use hex values for floating-point
13009 constants. Store single-precision values in upper-half of TOC
13010 entry in 64-bit mode.
13011 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
13012 to final constraints.
13013 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
13014 (fctiwz): Improve accuracy of RTL for pattern.
13016 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
13018 * expr.c (expand_expr): Allow RTL_EXPR's through the
13019 MAX_INTEGER_COMPUTATION_MODE checks.
13021 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
13023 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
13024 such that MASK_SUPPORT_ARCH is not negative.
13026 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
13028 * loop.c (verify_dominator): Properly handle ADDR_VEC and
13029 ADDR_DIFF_VEC insns that appear inside loops.
13031 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
13032 Jeff Law <law@cygnus.com>
13034 * rs6000.md (movdf_hardfloat32): Revert previous patch.
13035 Handle LO_SUM the same as offsettable in cases 1 and 2.
13036 * rs6000.c (find_addr_reg): Revert previous patch.
13038 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
13040 * system.h (strstr): New external function declaration.
13041 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
13042 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
13043 * config.in, configure: Rebuilt.
13045 1999-06-24 Tom Tromey <tromey@cygnus.com>
13047 * gcc.c (main): Read user-specified specs files after computing
13048 additional startfile_prefixes.
13050 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
13052 Revert these two patches:
13054 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13055 * loop.c (strength_reduce): When doing biv->giv conversion, update
13056 reg note of NEXT->insn.
13058 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13059 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
13061 (recombine_givs): Set ix field after sorting.
13063 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13065 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
13066 for the parts of an UNSPEC / UNSPEC_VOLATILE.
13068 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
13070 *fixinc/inclhack.def: Add fix development commentary
13071 (read_ret_type): reactivate and add selection clause
13072 (zzz_*): tweak output file name to match what is used in hackshell.tpl
13073 *fixinc/{fixincl.x|inclhack.sh}: regen
13075 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
13077 * expr.c (expand_expr): STRIP_NOPS before checking against
13078 MAX_INTEGER_COMPUTATION_MODE
13079 (check_max_integer_computation_mode): Likewise.
13081 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
13083 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
13085 1999-06-22 Jim Wilson <wilson@cygnus.com>
13087 * expr.c (store_expr): When target is a promoted subreg, return a
13088 promoted subreg as a result.
13090 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
13092 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
13094 (dwarf2out_define): Mark unused parameters appropriately.
13095 (gen_unspecified_parameters_die): Ditto.
13096 (gen_subprogram_die): Fix signed/unsigned warnings.
13097 (gen_variable_die): Ditto.
13099 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
13101 * fixinc/inclhack.def(end_else_label): combined else_label
13102 and endif_label and fixed the sed expression.
13103 *fixinc/{fixincl.x|inclhack.sh}: regen
13105 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
13107 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
13108 'x' when handling non-offsettable addresses
13110 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
13112 * final.c (shorten_branches): Don't try to split an insn that has
13115 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
13117 * config/mips/mips.c (symbolic_expression_p): New function.
13118 (mips_select_rtx_section): Put symbolic expressions in the
13119 data section, not the read-only data section.
13121 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
13123 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
13125 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
13127 * collect2.c (main): Log frame table count.
13128 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
13129 (scan_prog_file) [COFF]: Handle frame tables.
13131 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
13132 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
13133 * alpha/elf.h: Undef them again.
13134 * alpha/vms.h: Remove their definitions.
13136 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13138 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
13139 remove the clobber of r0 and change the REG_UNUSED note to
13142 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
13144 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
13145 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
13146 fits in HOST_WIDE_INT and one uses union to access a long constant
13149 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
13151 * sparc.c (sparc_override_options): Don't allow profiling for
13152 code models other than medlow.
13153 (sparc_function_profiler): New function from old FUNCTION_PROFILER
13154 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
13155 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
13156 (sparc_block_profiler): Likewise.
13157 (sparc_function_block_profiler_exit): Likewise.
13158 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
13159 (FUNCTION_BLOCK_PROFILER): Likewise.
13160 (BLOCK_PROFILER): Likewise.
13161 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
13162 (MCOUNT_FUNCTION): New.
13163 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
13164 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
13165 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
13166 (MCOUNT_FUNCTION): New.
13167 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
13168 (BLOCK_PROFILER): Delete.
13169 (MCOUNT_FUNCTION): New.
13171 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
13173 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
13175 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13177 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13180 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13183 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13186 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13189 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
13191 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
13194 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
13196 * i386/djgpp.h (LIB_SPEC): New.
13197 (STARTFILE_SPEC): New.
13199 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
13201 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
13203 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
13206 * system.h (WSTOPSIG): New macro.
13208 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
13210 * c-pragma.c (push_alignment): Don't ignore alignments greater than
13212 (insert_pack_attributes): Take into account member natural
13215 * i386/winnt.c (exports_head): New static variable.
13216 (i386_pe_record_exported_symbol): New function.
13217 (i386_pe_asm_file_end): Use.
13218 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
13219 symbols to be emitted at end of assembly.
13220 (ASM_DECLARE_OBJECT_NAME): Likewise.
13221 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13223 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
13226 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
13228 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
13231 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
13233 * haifa-sched.c (sched_analyze_1): Use free_list instead of
13234 zapping reg_last_uses directly.
13235 (sched_analyze_2, sched_analyze_insn): Likewise.
13236 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
13238 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
13240 * rs6000.md (movdf_hardfloat32): Use worst case insn length
13241 attributes for cases 1 and 2.
13243 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
13245 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
13248 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
13250 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
13252 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
13254 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
13255 PIC_OFFSET_TABLE_REGNUM for general alloaction.
13256 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
13257 must be stacked if it is used for PIC accesses.
13258 * arm.c (use_return_insn): Handle PIC register specially.
13259 (output_return_instruction): Likewise.
13260 (output_func_{prologue,epilogue}): Likewise.
13261 (output_expand_prologue): Likewise.
13263 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
13264 (*strsi_predec): Renamed from *strqi_predec.
13265 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
13266 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
13268 * arm.c (arm_override_options): Remove warning about PIC code
13269 not being supported.
13271 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
13273 * rs6000.c (find_addr_reg): New function.
13274 * rs6000.h (find_addr_reg): Declare.
13275 (offsettable_addr_operand): Delete.
13276 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
13277 from and stores to GPRs.
13279 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
13281 * alpha.c (alpha_expand_block_move): Use get_insns rather than
13282 gen_sequence as argument to emit_no_conflict_block.
13284 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13286 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
13287 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
13288 *fixinc/fixincl.x: regen
13289 *fixinc/inclhack.sh: regen
13291 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
13293 * added support for -mpcrel (PC relative addressing for m68k)
13294 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
13295 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
13296 * m68k.c (print_operand_address): Handle 32-bit PIC case.
13297 (comments for general_src_operand): Add some explanation
13298 about EXTRA_CONSTRAINTS.
13299 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
13300 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
13301 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
13302 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
13303 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
13304 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
13305 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
13306 if not already set.
13307 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
13308 * m68k.h (TARGET_PCREL): New target flag.
13309 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
13310 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
13311 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
13312 contains a SYMBOL_REF. Relax this constraint during reload, since
13313 we want to use the predicates, not reload's built-in concept of a
13314 valid memory address, to control what insns need reloading.
13315 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
13316 operands (essentially 'g', 'm', and 's' under normal circumstances).
13317 * m68k.c (print_operand): Cause printing of pc-relative addresses
13318 to include pc register.
13319 (print_operand_address): Ditto.
13320 (general_src_operand): Accept operands that are not only
13321 general_operands, but are also valid when used as a pc-relative
13323 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
13324 (memory_src_operand): Similar, for memory_operands.
13325 (pcrel_address): New predicate to accept the special case of a
13326 pc-relative address.
13327 * m68k.md (many patterns): Rewrite common SImode, HImode, and
13328 QImode insns to accept *_src_operand instead of *_operand where
13329 pc-relative operands can fit. For example, a pc-relative operand
13330 can be used as a memory source operand for addsi3, but not as a
13331 memory destination.
13332 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
13334 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
13336 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
13337 .thumb_set pseudo op to mark aliases of thumb functions.
13339 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
13341 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
13342 preference to ASM_OUTPUT_DEF, if it is defined.
13344 * tm.texi: Document new, optional target macro
13345 ASM_OUTPUT_DEF_FROM_DECLS.
13347 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13349 * fixincludes: ISCNTL patch
13350 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
13351 (dgux_int_varargs): new for DG/UX
13352 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
13354 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
13356 * invoke.texi (ia32 options): Fix typo.
13358 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13360 * loop.c (strength_reduce): When doing biv->giv conversion, update
13361 reg note of NEXT->insn.
13363 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
13365 * loop.c (move_movables): Note issues with replacing REGs with
13367 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
13369 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
13371 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
13373 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
13374 the reference to `mcount' was not correct for the ELF on FreeBSD.
13376 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13378 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
13381 (recombine_givs): Set ix field after sorting.
13383 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
13385 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
13386 to safe to extract a subword out of a REG.
13388 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13390 * sh.md (mulsi3): Don't add a no-op move at the end.
13392 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13394 * cse.c (cse_insn): Don't put hard register source into tables for
13395 the last insn of a libcall.
13397 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13399 * loop.c (strength_reduce): Insert sets of derived givs at every
13400 biv increment, even if it's the only one.
13402 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13404 * dwarfout.c (add_incomplete_type): New fn.
13405 (output_type): Call it.
13406 (retry_incomplete_types): New fn.
13407 (dwarfout_finish): Call it.
13409 From Eric Raskin <ehr@listworks.com>:
13410 (output_type): Output types for bases.
13412 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13414 * mips.c (mips_output_conditional_branch): Add `break'
13415 between `default' label and `close braces'.
13417 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
13419 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
13420 specifications and make it realistic.
13421 (LIB_SPEC): Likewise.
13423 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
13425 * config/mips/mips.c (mips_secondary_reload_class): Check for
13426 (PLUS (SP) (REG)) and return appropriate register class.
13427 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
13428 Handle (PLUS (SP) (REG)).
13429 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
13430 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
13431 of emit_insn for tablejump.
13433 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
13435 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
13436 asm_fprintf format string by itself.
13437 (output_function_profiler): Likewise.
13439 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
13441 * combine.c (simplify_logical, case AND): Only call
13442 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
13443 or the constant is positive.
13445 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
13447 * configure.in: Fix typo in rs6000-ibm-aix4 case.
13448 * configure: Regenerate.
13450 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
13452 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
13453 require a sub-version #.
13454 * configure: Rebuilt.
13456 1999-06-14 Robert Lipe (robertlipe@usa.net)
13458 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
13460 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
13462 * c-typeck.c (process_init_element): Detect excess elements in
13463 char array initializer.
13465 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13467 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
13469 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13471 * invoke.texi (Option Summary): Add -fpermissive flag.
13473 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
13475 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
13476 that require PIC code sequences.
13478 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
13480 * configure.in: Add new target: thumb-elf.
13481 * configure: Regenerate.
13482 * config/arm/t-thumb-elf: New file: Makefile fragment for
13484 * config/arm/telf.h: New file: Header file for thumb-elf
13487 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
13489 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
13490 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
13491 initializers is some circumstances.
13493 * fixinc/inclhack.def (endif_label): Add additional selector for
13494 more bogus stuff after #endif statements.
13495 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13497 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
13499 * i386/cygwin.h (SET_ASM_OP): Define.
13501 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
13503 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
13505 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13507 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
13510 * sh.md (ic_invalidate_line_i): Remove second alternative.
13512 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13514 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
13515 test for the presence of valid prototypes. Delete bypass expr.
13516 (ioctl_fix_ctrl): Correct the selection expression.
13517 (no_double_slash): Correct quoting rules
13518 *fixinc/fixincl.x: regen
13519 *fixinc/inclhack.sh: regen
13521 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
13523 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
13525 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13527 * rs6000.md (movsi_got_internal_mem): Delete.
13528 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
13529 (GOT_TOC_REGNUM): Delete.
13530 (PIC_OFFSET_TABLE_REGNUM): Define.
13531 (FINALIZE_PIC): Disable.
13532 * rs6000.c (rs6000_got_register): New code for fixed pic register.
13533 (rs6000_replace_regno): Delete.
13534 (rs6000_finalize_pic): Likewise.
13535 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
13537 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13539 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
13540 is a note; use <= for the compare; advance P while it is
13543 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
13545 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
13546 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
13548 * varasm.c (remove_from_pending_weak_list): Verify t->name
13549 is non-NULL before passing it to strcmp.
13551 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13553 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
13554 the typed arguments are not part of a comment
13555 (ioctl_fix_ctrl): Added a purpose comment
13556 *fixinc/fixincl.x: regenerate
13557 *fixinc/inclhack.sh: regenerate
13559 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13561 * invoke.texi: Add C4x invocation docs.
13563 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13565 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
13567 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
13569 (c4x_legitimize_reload_address): New function.
13570 * config/c4x/c4x.md: Update docs.
13572 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
13574 * fixincludes: Avoid removing '.'.
13575 * fixinc/fixinc.svr4: Likewise.
13576 * fixinc/fixinc.winnt: Likewise.
13577 * fixinc/inclhack.tpl: Likewise.
13578 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
13580 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13582 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
13584 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
13586 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
13588 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
13591 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
13593 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
13594 * configure: Regenerate.
13596 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
13598 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
13601 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
13603 * fixinc/inclhack.def (avoid_bool): Also catch
13604 "typedef [unsigned] int bool".
13605 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13607 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
13608 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
13609 * configure: Rebuilt.
13611 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
13613 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
13614 such that we can override its definitions if necessary.
13615 (CPP_SPEC): New define. Support processor specific predefines via
13617 (CC1_SPEC): New define. Support processor specific compiler
13618 options via %(cc1_cpu).
13619 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
13622 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13624 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
13625 between sed's -e flag, and the open-quote following it.
13626 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13628 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
13629 Jeffrey A Law (law@cygnus.com)
13631 * varasm.c (assemble_start_function): Remove the function
13632 from the pending weak decls list when we define a function.
13633 (assemble_variable): Similarly for variables.
13634 (weak_finish): Ignore items on the list with a NULL name.
13635 (remove_from_ending_weak_list); New function to "remove" an item
13636 from the pending weak declarations list.
13638 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13640 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
13642 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
13644 * c-lex.c (GETC): Redefine to call getch.
13645 (UNGETC): Redefine to call put_back.
13646 (putback_buffer): New structure type.
13647 (putback): New static structure.
13648 (getch): New function.
13649 (put_back): New function.
13650 (yylex): Replace unused bytes from bad multibyte character.
13652 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
13654 * cpplib.c (do_define): Cast `alloca' return value.
13655 (do_include, do_undef, do_pragma): Likewise.
13656 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
13658 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
13659 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
13661 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
13663 * sparc.md (abstf2): This should be an expand.
13664 (split after abstf2_notv9): Fix mode.
13665 (abstf2_hq_v9): New pattern.
13666 (abstf2_v9): Only use when no hard quad.
13667 (absdf2_v9): Fix if target is not the same as source.
13668 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
13669 Add correct output constraints.
13671 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
13673 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
13674 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
13676 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
13678 * mips.h (mips_output_conditional_branch): New function.
13679 (mips_adjust_insn_length): Likewise.
13680 (ASSEMBLER_SCRATCH_REGNUM): New macro.
13681 (ADJUST_INSN_LENGTH): Likewise.
13682 * mips.c (print_operand): Add `F' and `W' for floating-point
13683 comparison opcodes.
13684 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
13686 (mips_adjust_insn_length): New function.
13687 (mips_output_conditional_branch): New function.
13688 * mips.md (length): Adjust attribute definition to handle
13689 conditional branches. Change lengths to bytes, rather than
13690 instructions throughout. Remove length attribute from
13691 instructions whose length is four bytes, and rely on the default
13693 (dslot): Fix typo in comment.
13694 Reword conditional branch patterns to use
13695 mips_output_conditional_branch.
13697 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13699 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
13700 (LIB_SPEC): Likewise.
13701 Link with -lprof1_r for -g/-pg.
13703 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13705 * loop.c (check_dbra_loop): Fix change of Jan 19.
13707 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
13709 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
13710 (STARTFILE_SPEC): Define, override the svr4.h version.
13711 (ENDFILE_SPEC): Likewise.
13713 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
13715 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
13716 * fixinc/fixincl.x: Regenerated.
13717 * fixinc/inclhack.sh: Regenerated.
13719 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13721 * sh.c (barrier_align): Don't return early for normal branch/barrier
13722 when optimizing for SH2.
13724 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
13726 * i386/udk.h (LINK_SPEC): Correct linker search path for
13729 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13731 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
13732 (braf_label_ref_operand): Delete.
13733 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
13734 * sh.md (casesi_jump_2): Operand1 is now the inside of a
13735 label_ref, and has no predicate.
13736 The patten has a predicate to guard against invalid substitutions.
13737 (dummy_jump): Delete.
13738 (casesi): Update use of casesi_jump_2.
13740 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13742 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
13743 *fixinc/fixincl.x: regenerate
13744 *fixinc/inclhack.sh: regenerate
13746 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
13748 * dwarf2out.c (add_incomplete_type): New fn.
13749 (gen_struct_or_union_type_die): Call it.
13750 (retry_incomplete_types): New fn.
13751 (dwarf2out_finish): Call it.
13753 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
13755 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
13756 current block starts with a CODE_LABEL and ends with a CALL and
13757 we can not find all the argument setup instructions for the CALL.
13759 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
13761 Revert this change:
13762 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13763 something is a candidate for optimize_bit_field_compare.
13765 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13767 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
13769 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
13771 * alpha.c (override_options): Thinko in last patch.
13773 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
13774 (LIB_SPEC): Recognize -pthread.
13776 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
13778 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
13779 definition in config/arm/coff.h
13780 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
13782 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13784 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
13785 fixes that need "file=xxx\n" prepended before invocation
13786 (start_fixer - new): starting the fixer process is complex enough
13787 to warrent its own routine. It prepends the "file=xxx\n" stuff.
13788 (process): uses the new routine; omit usage of putenv()
13789 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
13790 * fixinc/fixincl.x: regenerate
13792 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
13794 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
13795 and version #s (1.1 -> 2.96) as needed.
13796 * README.g77: Kill way out of date file in the toplevel directory.
13798 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
13800 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
13801 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
13802 * configure: Rebuilt.
13803 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
13804 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
13805 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
13806 (SWITCH_TAKES_ARG): Likewise.
13807 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
13808 * config/t-freebsd: Moved from config/i386/ so it can used for all
13811 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
13813 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
13815 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
13817 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
13818 * configure: Rebuilt.
13820 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
13822 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
13823 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
13824 * rs6000/rs6000.c (rs6000_file_start): Use putc.
13825 (rs6000_output_load_toc_table): Same.
13826 (output_prolog, output_mi_thunk): Same.
13827 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
13828 (ASM_GLOBALIZE_LABEL): Use putc.
13830 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
13832 * alpha.md (reload_*_help): New patterns and splitters.
13833 (reload_*): Use them.
13834 (mov[qh]i): Likewise.
13836 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
13838 * cccp.c (handle_directive): Handle backslash-newlines in quoted
13841 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
13843 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
13845 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
13847 * flow.c (mark_regs_live_at_end, insn_dead_p,
13848 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
13849 and HARD_FRAME_POINTER_REGNUM special treatment if reload
13850 hasn't run or the frame pointer is needed.
13851 * haifa-sched.c (attach_deaths): Likewise.
13852 * sched.c (attach_deaths): Likewise.
13854 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
13856 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
13857 calculate_can_reach_end returns nonzero.
13859 * configure.in (native gas tests): Search for an assembler in the
13860 same manner that the installed compiler will.
13861 * configure: Rebuilt.
13862 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
13864 * alias.c (find_base_term): Improve handling of addresses
13865 constructed from binary operations.
13867 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
13869 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
13871 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
13873 * function.h (cleanup_label, frame_offset): Declare.
13874 (tail_recursion_label, tail_recursion_reentry): Likewise.
13875 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13876 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
13877 (tail_recursion_label, tail_recursion_reentry): Likewise.
13878 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13880 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
13882 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
13884 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
13885 (MAX_OFILE_ALIGNMENT): Define.
13887 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
13889 * fixincl.c: Replace local include scheme with #includes of
13890 gansidecl.h and system.h.
13891 * procopen.c: Likewise.
13892 * server.c: Likewise.
13894 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
13896 * i386/t-dgux (EXTRA_PARTS): Add crti.o
13897 (crti.o): Add build rule and dependencies.
13898 * fixinc/fixinc.dgux: Use modified _int_varargs.h
13900 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13902 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
13903 (LIB_LINUX_SPEC): Likewise.
13904 (LIB_LINUX_SPEC): Add support for -pthread
13905 (CPP_OS_LINUX_SPEC): Likewise.
13906 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
13909 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
13911 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
13913 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
13914 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
13915 for IEEE math and CC_FCOMI.
13916 (put_jump_code): No IEEE if CC_FCOMI is set.
13918 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13920 * fold-const.c (fold_truthop): Make the field reference unsigned
13921 when converting a single bit compare.
13923 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13925 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
13927 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
13929 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
13930 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
13933 * reload.c (push_reload): Do not call remove_address_replacements
13934 when presented with identical optional reloads.
13936 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
13938 * alpha.h (MASK_FIX, TARGET_FIX): New.
13939 (MASK_*): Reorganize constants.
13940 (CPP_AM_FIX_SPEC): New.
13941 (TARGET_SWITCHES): Add FIX.
13942 (EXTRA_SPECS): Likewise.
13943 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
13944 (SECONDARY_MEMORY_NEEDED): Likewise.
13945 (REGISTER_MOVE_COST): Likewise.
13946 * alpha.c (override_options): Add FIX support. Always use
13947 ALPHA_TP_PROG for ev6.
13948 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
13949 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
13950 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
13952 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
13954 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13955 something is a candidate for optimize_bit_field_compare.
13957 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
13959 * gcc.texi (Passes): Document branch-shortening.
13960 * invoke.texi (Debugging Options): Document the fact that `-dp'
13961 outputs length information for instructions.
13963 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
13965 * flow.c: Revert previous delta.
13967 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
13969 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
13970 FRAME_POINTER_REGNUM.
13971 (mark_set_1): Ditto.
13972 (mark_used_regs): Ditto.
13974 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
13976 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
13977 (GOT_PCREL): New macro. Define to 1 if not already defined.
13978 * arm/elf.h (GOT_PCREL): Define to 0.
13979 * arm.c (arm_finalize_pic): Take into account the setting of
13982 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
13984 * output.h (STRIP_NAME_ENCODING): Provide default definition.
13985 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
13987 * flow.c (mark_set_1): Do not record BLKmode stores as dead
13988 store elimination candidates.
13990 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
13992 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
13995 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
13997 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
13998 Add use of x-aix41-gld.
14000 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
14002 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
14003 (ASM_OUTPUT_DESTRUCTOR): Define.
14005 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
14007 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
14008 last CODE_LABEL in a loop if we have previously passed a jump
14009 to the top of the loop.
14011 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
14013 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
14014 applying Philip's patch.
14016 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
14018 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
14021 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
14023 * loop.c (strength_reduce): Grow reg_single_usage as needed.
14025 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
14027 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
14028 Also remove a useless comment.
14030 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
14032 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
14034 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
14036 * collect2.c (main): Only generate import or export file and add
14037 to link arguments if non-empty. Use xmalloc not alloca.
14038 (write_{export,import}_file): Delete.
14039 (write_aix_file): New function.
14040 (locatelib): Use xmalloc not malloc.
14041 (GCC_OK_SYMBOL): Do not check type if aix64.
14043 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
14045 Based on patch by Scott Bambrough and Pat Beirne:
14046 * config/arm/arm.c (making_const_table): New variable.
14047 * config/arm/arm.h (making_const_table): Declare.
14048 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
14050 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
14051 Keep track of when we are building the constant table.
14053 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
14055 * config/arm/arm.c (arm_override_options): Fix erroneous warning
14058 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
14060 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
14063 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
14065 * tm.texi (FUNCTION_ARG): Correct description of a stack element
14068 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
14070 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
14072 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14074 * rs6000.c (output_mi_thunk): Enable full support again.
14076 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14078 * sh.h (BRANCH_COST): Define.
14080 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
14082 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
14084 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
14086 * function.c (assign_stack_local): Align stack slot propertly.
14087 (assign_outer_stack_local): Likewise.
14089 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
14091 * expr.h (lang_expand_constant): Declare.
14092 * toplev.c (lang_expand_constant): Define it.
14093 * varasm.c (output_constant): Use it.
14095 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14097 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
14098 Change function definitions to K&R style.
14100 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14102 * fixinc/fixincl.c: We must not ignore SIGCLD now.
14104 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
14106 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
14107 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
14108 (several places): omit static initialization
14109 (process): use single fd, since only the read fd is used
14110 * fixinc/gnu-regex.c: define 'const' away, if not supported
14111 * fixinc/procopen.c(several places): omit static initialization
14112 * fixinc/server.c: define 'volitile' away, if not supported
14114 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14116 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
14117 asm_fprintf and %L to generate the label name.
14118 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
14119 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
14121 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
14123 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
14124 insn for a conditional jump can not be found.
14126 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
14128 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
14129 on variables in specific sections other than .sbss and .sdata.
14131 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
14133 * stmt.c (expand_return): Call start_cleanup_deferral and
14134 end_cleanup_deferral around conditional code.
14136 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14138 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
14139 filename lists. Utilizes new "krstr" AutoGen function.
14140 * fixinc/fixincl.x: Rebuilt.
14142 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
14144 * i386.c (output_float_compare): Avoid GNU-C extensions.
14146 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
14148 * version.c: Bump to distinguish mainline tree from the
14151 See ChangeLog.1 for earlier changes.