1 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * builtins.c (type_to_class): Fix typo in last change.
5 2001-08-21 Richard Henderson <rth@redhat.com>
7 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
10 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
11 copy of gp while the real gp register contains garbage.
13 2001-08-21 Zack Weinberg <zackw@panix.com>
15 * expmed.c (mode_for_extraction): New function.
16 (store_bit_field, extract_bit_field): Use it.
17 * expr.h: Prototype it and provide an enum for its first argument.
19 * combine.c, function.c, recog.c: Don't include insn-codes.h.
20 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
21 and digging through the insn_data tables.
22 * Makefile.in: Update dependencies.
24 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
26 * cppfiles.c (stack_include_file): line-map.c now handles include
28 (handle_missing_handler): Similarly.
29 (_cpp_execute_include): Similarly.
30 (_cpp_pop_file_buffer): Similarly.
31 * cpphash.h (struct cpp_reader): Remove system_include_depth,
32 buffer_stack_depth and include_depth.
33 * cpplib.c (do_include_common): line-map.c now handles include depth.
34 (cpp_push_buffer): Similarly.
35 (_cpp_pop_buffer): Similarly.
36 * cppmacro.c (builtin_macro): Update.
37 * line-map.c (init_line_maps): Set depth.
38 (add_line_map): Increment "used" earlier. Update and use the
40 (trace_include): Use the include depth.
41 * line-map.h (struct line_maps): New member depth.
43 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
45 * cppfiles.c (stack_include_file): Don't handle -H here.
46 * cppinit.c (cpp_start_read): Set include tracing after
47 cpp_post_options and after stacking the main file.
48 * line-map.c (trace_include): New.
49 (init_line_maps, add_line_map): Update.
50 * line-map.h (struct line_maps): New member trace_includes.
52 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
54 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
55 * cppfiles.c (stack_include_file): Only stack a file if there
56 is something to do. Return a boolean indicating whether a
57 buffer was stacked or not.
58 (_cpp_execute_include): Similarly.
59 (_cpp_read_file): Similarly.
60 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
62 2001-08-21 Sam Steingold <sds@gnu.org>
64 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
65 (RECACHE): keep obufp_before_macroname up to date
67 2001-08-21 Zack Weinberg <zackw@panix.com>
69 * stmt.c: Don't include insn-codes.h.
70 (expand_end_case): Machine specific logic moved to expr.c.
71 No need to worry about __builtin_classify_type.
72 (check_for_full_enumeration_handling, emit_case_nodes):
75 * builtins.o (expand_builtin_classify_type): Split up so code
76 can be shared with fold_builtin_classify_type.
77 (type_to_class, fold_builtin_classify_type): New functions.
78 (fold_builtins): Handle __builtin_classify_type.
80 * expr.c (do_tablejump): Now static.
81 (case_values_threshold, try_casesi, try_tablejump): New;
82 code mostly from stmt.c (expand_end_case).
83 (expr.h): Update prototypes.
85 * Makefile.in (stmt.o): Update dependencies.
87 2001-08-21 Will Cohen <wcohen@redhat.com>
89 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
90 declaration of variable i.
91 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
92 declaration of variable i.
94 2001-08-21 Richard Henderson <rth@redhat.com>
96 * crtstuff.c: Fix thinko last change. Move list tails to start
97 of CRT_END section. Tidy ifdefs.
98 (__EH_FRAME_BEGIN__): Always static for ELF.
99 (__do_global_ctors_1): Rename from __frame_dummy.
100 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
101 name change; don't hide __EH_FRAME_BEGIN__.
103 2001-08-21 Richard Henderson <rth@redhat.com>
105 * gdbinit.in: Move break on exit after break on fancy_abort.
107 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
110 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
112 * cpphash.h (_cpp_push_next_buffer): New.
113 * cppinit.c (do_includes): Remove.
114 (push_include, free_chain, _cpp_push_next_buffer): New.
115 (cpp_start_read): Use them to rework command line option handling.
116 (cpp_handle_option): Combine handling of -include and -imacros.
117 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
118 appropriate. Always insert missing \n at EOF.
119 * cpplib.c (start_directive): Get the directive position right.
120 * cppmain.c (cb_file_change): Always print the first line, unless
123 2001-08-20 Andreas Jaeger <aj@suse.de>
125 * profile.c (compute_branch_probabilities): Remove extra new-line
127 * flow.c (verify_flow_info): Likewise.
129 2001-08-20 Diego Novillo <dnovillo@redhat.com>
131 * basic-block.h (basic_block): Add new field 'flags'.
132 (BB_REACHABLE): Define.
133 (expunge_block): Declare.
134 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
135 (EXIT_BLOCK_PTR): Ditto.
136 (expunge_block): Remove static declaration.
137 (cleanup_cfg): Clear bb->aux on every basic block.
138 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
139 computing reachability.
140 (delete_unreachable_blocks): Delete block b if b->flags has
143 2001-08-20 Diego Novillo <dnovillo@redhat.com>
145 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
147 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
149 * sparc.c (sparc_variable_issue): Fix typo in last change.
151 2001-08-20 Richard Henderson <rth@redhat.com>
153 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
155 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
157 * pa.h (RETURN_IN_MEMORY): Improve comment.
159 2001-08-20 Janis Johnson <janis187@us.ibm.com>
161 * doc/invoke.texi (Profiling options): Clarify the interactions
162 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
164 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
166 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
169 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
171 * gcc.c (make_relative_prefix): Allocate a sufficiently large
174 2001-08-20 Richard Henderson <rth@redhat.com>
176 * final.c (end_final): Fix typo last change.
178 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
180 * cppinit.c (init_standard_includes): The returned buffer
181 is already malloc-ed.
182 * gcc.c (add_prefix): Similarly.
183 * prefix.c (translate_name): Update to support clear buffer
185 (update_path): Similarly. Be sure to free any newly allocated
186 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
188 * prefix.h (update_path): Update prototype and document.
189 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
190 up and update to new buffer ownership rules.
191 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
193 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
195 * final.c (compute_alignments): New function.
196 (init_insn_lengths): Do not care label_align.
197 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
198 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
199 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
200 (shorted_branches): Realloc label_align array; do
201 not call init_insn_lengths; Do not care about loop alignments.
202 * output.h (compute_alignments): Declare.
203 * toplev.c (rest_of_compilation): Call compute_alignments.
204 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
206 * predict.c (block_info_def): Add npredecesors, remove nvisited;
207 change visited to tovisit.
208 (propagate_freq): Use faster traversing algorithm.
209 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
210 to tovisit; reverse meaning.
212 * predict.c (struct block_info_def): Remove nvisited.
213 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
214 (estimate_bb_frequencies): Call mark_dfs_back_edges.
216 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
218 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
219 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
220 (TARGET_FUSED_MADD): New.
221 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
222 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
223 the multiply-add instructions.
225 2001-08-19 Richard Henderson <rth@redhat.com>
227 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
228 is aligned to pointer size.
230 2001-08-19 Richard Henderson <rth@redhat.com>
232 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
233 display markers during final schedule.
235 2001-08-19 Richard Henderson <rth@redhat.com>
237 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
239 2001-08-19 Richard Henderson <rth@redhat.com>
241 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
243 (ASM_NAME_TO_STRING): Remove.
244 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
245 in the same string. Remove support for expressions.
247 2001-08-19 Richard Henderson <rth@redhat.com>
249 * config/i386/i386.md (tablejump): Make an expander; handle
250 pic relative addressing here.
251 (tablejump_1): Rename from tablejump_pic.
254 2001-08-19 Richard Henderson <rth@redhat.com>
256 * regclass.c (fix_register): Fix typo.
258 2001-08-18 Richard Henderson <rth@redhat.com>
260 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
261 (struct _Unwind_Context): Expand br_loc to hold it.
262 (uw_frame_state_for): Handle leaf functions better.
263 (uw_update_reg_address): Update for br_loc change.
265 2001-08-18 Richard Henderson <rth@redhat.com>
267 * crtstuff.c: Move list heads before code that uses them.
268 (__JCR_LIST__): Remove initial null.
269 (frame_dummy, __frame_dummy): Do java registration here ...
270 (__do_global_ctors_aux): ... not here.
272 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
273 (__do_global_dtors_aux): Update to match.
274 (__JCR_LIST__, __do_jv_register_classes): New.
276 * config/ia64/crtend.asm (__JCR_END__): New.
277 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
278 instead of an indirect LTOFF22 reloc.
280 2001-08-18 Richard Henderson <rth@redhat.com>
282 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
283 * regclass.c (init_reg_sets_1): Fix typo.
284 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
285 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
286 (ia64_compute_frame_size): Make ar.unat live when in use.
287 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
288 for ar.pfs; remove ar.unat handling.
289 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
291 (PREDICATE_CODES): Add ar_pfs_reg_operand.
292 * config/ia64/ia64-protos.h: Update decls.
293 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
294 (sibcall_pic): Likewise.
296 2001-08-18 Richard Henderson <rth@redhat.com>
298 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
299 pred_rel_mutex when searching for insn_group_barrier.
300 * config/ia64/ia64.md (cycle_display): Combine the expander
303 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
304 bit before asm as needed.
306 2001-08-18 Richard Henderson <rth@redhat.com>
308 * timevar.def (TV_MACH_DEP): New.
309 * toplev.c (rest_of_compilation): Use it.
310 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
312 2001-08-18 Zack Weinberg <zackw@panix.com>
314 * unwind-dw2.c (execute_stack_op): Add default aborts to
315 the inner switches to prevent warnings.
317 2001-08-18 Richard Henderson <rth@redhat.com>
319 * timevar.h (struct timevar_time_def): Change element type to float.
320 (ticks_to_msec, clocks_to_msec): Likewise.
321 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
322 (get_time): Likewise.
323 (timevar_print): Adjust zero check and printing to match.
325 2001-08-18 Zack Weinberg <zackw@panix.com>
327 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
328 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
329 Eliminate overfull or underfull hboxes.
331 2001-08-18 Zack Weinberg <zackw@panix.com>
333 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
335 2001-08-18 Zack Weinberg <zackw@panix.com>
337 * haifa-sched.c: Convert to target hooks. Macros replaced
338 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
339 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
340 MD_SCHED_FINISH, and HAVE_cycle_display.
341 * target-def.h (TARGET_SCHED_ADJUST_COST,
342 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
343 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
344 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
345 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
346 New hook #defines to be overridden.
347 (TARGET_SCHED): Bring them all together.
348 (TARGET_INITIALIZER): Update.
349 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
350 instead of 'struct rtx_def *' throughout.
351 (struct sched): New set of hooks for the scheduler.
352 * Makefile.in (haifa-sched.o): Depend on target.h.
353 * doc/tm.texi: Document the new scheduler hooks, together in
354 their own section, instead of scattered around.
355 Fix a bunch of underfull/overfull hboxes.
357 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
358 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
359 sparc.h: Don't define any of the old scheduler macros.
361 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
362 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
363 sparc.c: Create hook functions from code extracted from
364 corresponding target header, or make existing hooks static, as
365 appropriate. Set the appropriate entries in targetm.
367 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
368 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
369 rs6000-protos.h, s390-protos.h, sparc-protos.h:
370 Remove prototypes for functions which are now static.
372 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
373 related gunk; the Haifa scheduler is now the only choice.
375 2001-08-18 Zack Weinberg <zackw@panix.com>
377 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
378 * genopinit.c: Put floating point divide insns in sdiv_optab.
379 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
380 * config/gofast.h, config/c4x/c4x.h,
381 config/ia64/hpux_longdouble.h, config/mips/mips.h,
382 config/pa/long_double.h, config/rs6000/sysv4.h,
383 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
384 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
385 (init_optabs): Use init_optabv for overflow-trapping optabs.
386 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
387 cmp_optab RTX codes so have_insn_for can find them.
389 * optabs.c (expand_simple_binop, expand_simple_unop,
390 have_insn_for, gen_sub3_insn): New interfaces.
391 * expr.h: Prototype new functions.
392 (enum optab_methods): Move here from optabs.h.
394 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
395 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
396 Use new functions instead of working directly with optabs.
397 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
398 unroll.c: Don't include optabs.h.
399 * caller-save.c, combine.c, function.c, stmt.c: Just include
400 insn-codes.h, not optabs.h.
401 * Makefile.in: Update dependencies.
403 * combine.c (make_compound_operation, simplify_comparison):
404 Fix typos testing for this or that instruction.
406 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
408 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
411 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
413 * except.c (TYPE_HASH): Delete.
415 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
418 * tree.c (TYPE_HASH): Delete.
420 * tree.h (TYPE_HASH): Define.
422 2001-08-18 Graham Stott <grahams@redhat.com>
424 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
426 (adddi3_internal_2+2): Likewise.
427 (eh_set_lr_di+1): Likewise.
429 2001-08-17 Richard Henderson <rth@redhat.com>
431 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
432 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
433 * dwarf2asm.c: ... here.
434 * dwarfout.c: Remove them.
436 * varasm.c (assemble_integer): Add align parameter.
437 (assemble_real, output_constant, output_constructor): Likewise.
438 * output.h: Update decls.
439 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
440 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
441 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
442 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
443 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
446 * final.c (end_final): Abort profile block generation if we
447 havn't layed it out properly.
448 * output.h (assemble_eh_integer): Remove stale decl.
449 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
451 (assemble_integer): Handle unaligned data.
452 (assemble_real): Abort on unaligned data.
453 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
455 (default_dtor_section_asm_out_destructor): Use assemble_align.
456 (default_named_section_asm_out_constructor): Likewise.
457 (default_ctor_section_asm_out_constructor): Likewise.
458 * config/darwin.c (machopic_asm_out_constructor): Likewise.
459 (machopic_asm_out_destructor): Likewise.
460 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
461 (nextstep_asm_out_destructor): Likewise.
462 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
463 (vms_asm_out_destructor): Likewise.
465 2001-08-17 Richard Henderson <rth@redhat.com>
467 * config/mips/iris6.h (TARGET_IRIX6): New.
468 (current_section_name, current_section_flags): New.
469 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
470 (MAX_OFILE_ALIGNMENT): New.
471 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
472 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
473 (copy_file_data): Split out from
474 (mips_asm_file_end): ... here.
475 (mips_asm_file_start): Remove extra .section directive. Use
476 tmpfile instead of mips_make_temp_file.
477 (mips_unique_section): Use const char * as needed for warnings.
478 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
479 re-add align parameter.
480 (iris6_asm_named_section): New.
481 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
482 (iris6_asm_output_align, iris6_section_align_1): New.
483 (iris6_asm_file_start, iris6_asm_file_end): New.
484 * config/mips/mips-protos.h: Update decls.
486 2001-08-17 Janis Johnson <janis187@us.ibm.com>
488 * doc/install.texi (Install GCC): Add links to build status pages.
490 (Final install): Ditto; request updates for specific info
492 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
494 * cpperror.c (print_location): Don't take a file name; use the
496 (_cpp_begin_message): Similarly.
497 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
498 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
499 (cpp_pedwarn_with_file_and_line): Remove.
500 * cppfiles.c (stack_include_file): Update; set filename to stdin
501 here when appropriate.
502 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
503 (_cpp_begin_message): Don't take a file name.
504 * cppinit.c: Add comment.
505 * cpplex.c: Fix end-of-directive indicator.
506 * cpplib.c: Don't include intl.h.
507 (run_directive, do_diagnostic): Update.
508 (do_line): Update to not use nominal_fname.
509 (cpp_push_buffer): Don't take a filename.
510 * cpplib.h (struct ht): Remove.
511 (cpp_push_buffer): Don't take a filename.
512 (cpp_pedwarn_with_file_and_line): Remove.
513 * cppmacro.c (struct cpp_macro): Remove file.
514 (builtin_macro): Update.
515 (_cpp_create_definition): Update.
516 * cppmain.c: Correct comment.
517 * fix-header.c (read_scan_file): Update.
519 2001-08-17 Kazu Hirata <kazu@hxi.com>
521 * sbitmap.c: Fix comment formatting.
522 * sched-deps.c: Likewise.
523 * sibcall.c: Likewise.
524 * simplify-rtx.c: Likewise.
526 * ssa-ccp.c: Likewise.
527 * stor-layout.c: Likewise.
528 * timevar.c: Likewise.
529 * toplev.c: Likewise.
530 * unwind-dw2.c: Likewise.
531 * unwind-dw2-fde.c: Likewise.
532 * varasm.c: Likewise.
534 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
536 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
537 or larger than an integer in memory.
539 2001-08-17 Zack Weinberg <zackw@panix.com>
541 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
542 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
543 * rtl.h: Don't forward-declare union tree_node here. Don't
544 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
545 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
546 and tree respectively.
547 * tree.h: Don't forward-declare struct rtx_def here. Don't
548 typedef tree here. Change all uses of struct rtx_def *,
549 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
550 and tree respectively.
552 2001-08-17 Richard Henderson <rth@redhat.com>
554 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
555 config/mips/openbsd.h: Fix typos last change.
557 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
559 * doc/invoke.texi (Optimize Options): The default for
560 -finline-limit is 600.
562 2001-08-17 Richard Henderson <rth@redhat.com>
564 * varasm.c (text_section): Allow TEXT_SECTION to override the
565 printing of TEXT_SECTION_ASM_OP.
566 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
567 (DATA_SECTION, BSS_SECTION): Remove.
568 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
569 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
570 Rename from s/_NAME//.
571 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
572 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
573 (TEXT_SECTION): ... here. New.
574 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
575 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
576 * config/mips/openbsd.h: Likewise.
577 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
578 (mips_asm_file_end): Likewise test.
579 (mips_output_function_epilogue): Likewise. Switch back to data
580 section after emitting the function.
582 * doc/tm.texi (Sections): Document TEXT_SECTION.
584 2001-08-17 Richard Henderson <rth@redhat.com>
586 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
587 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
589 2001-08-17 Richard Henderson <rth@redhat.com>
591 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
592 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
593 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
594 Add aligned attribute.
596 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
598 * config/sh/sh.md: Add modes to unspecs in first insn to match
601 * Makefile.in: Fix collect2 copy for Cygwin.
603 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
605 Install the proper patch.
606 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
607 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
608 (expand_function_start): Likewise.
609 * stmt.c (expand_decl): Likewise.
610 * varasm.c (make_decl_rtx): Likewise.
612 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
614 * final.c: Undo my previous accidental checkin.
615 * output.h: Likewise.
618 2001-08-16 Richard Henderson <rth@redhat.com>
620 * varasm.c (named_section_flags): Remove align parameter.
621 * varasm.c, dwarf2out.c: Update all callers.
622 * output.h: Update prototypes.
624 * target.h (target.asm_out.named_section): Remove align parameter.
625 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
626 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
627 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
628 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
629 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
631 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
632 (get_named_section_flags, set_named_section_flags): New.
633 (named_section_flags): Use them.
634 (named_section): Do decl vs section flags check here...
635 (default_section_type_flags): ... not here.
636 (init_varasm_once): Create in_named_htab.
637 (resolve_unique_section): Mark reloc unused.
639 2001-08-16 Richard Henderson <rth@redhat.com>
641 * varasm.c (force_const_mem): Keep pool alignment in bits.
642 (output_constant_pool): Use assemble_align.
644 2001-08-16 Zack Weinberg <zackw@panix.com>
646 * doc/tm.texi: Remove extra @table command.
648 2001-08-16 Zack Weinberg <zackw@panix.com>
650 * final.c (shorten_branches): Clear the end of the label_align
651 array only if we made it larger. Break up messy expressions
654 * diagnostic.c (internal_error): Check for error recursion
655 before doing ICE suppression.
657 * timevar.c: Timing variables now count in milliseconds.
658 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
659 (get_time): Not here.
660 (timevar_print): Don't print any timer whose user, cpu, and
661 wall times are all zero as displayed.
662 * timevar.h: Update comment aboout units. Make timevar
665 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
667 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
668 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
669 (expand_function_start): Likewise.
670 * stmt.c (expand_decl): Likewise.
671 * varasm.c (make_decl_rtx): Likewise.
673 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
675 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
676 (finalize_record_size): Don't set TYPE_USER_ALIGN.
678 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
680 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
683 2001-08-16 Andreas Jaeger <aj@suse.de>
685 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
688 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
690 * rtl.h (only_sets_cc0_p): New prototype.
691 * jump.c (sets_cc0_p): Handle INSN.
692 (only_sets_cc0_p): New function.
693 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
694 (tidy_fallthru_edge): Likewise.
695 * integrate.c (copy_insn_list): Likewise.
696 * unroll.c (unroll_loop): Likewise.
697 (copy_loop_body): Likewise.
699 2001-08-15 Jason Eckhardt <jle@redhat.com>
701 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
703 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
705 * predict.c (struct block_info_def): Remove nvisited.
706 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
707 (estimate_bb_frequencies): Call mark_dfs_back_edges.
709 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
710 (ix86_adjust_cost): Teach scheduler that latency to load operand can
713 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
715 * predict.def: Update hitrates.
717 2001-08-15 Richard Henderson <rth@redhat.com>
719 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
721 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
723 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
724 note from its associated jump.
726 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
728 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
729 also on 64-bit s390x targets.
731 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
733 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
735 (arm_expand_prologue): Handled nested functions which take a
736 variable argument list.
737 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
738 macro with an invocation of
739 arm_compute_initial_elimination_offset.
740 * config/arm/arm-protos.h: Prototype
741 arm_compute_initial_elimination_offset.
743 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
745 * doc/install.texi (Specific, avr): Fix markup.
746 (Specific, c4x): Ditto.
748 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
750 * predict.c (dump_prediction): Change `bool' parameter to `int'.
752 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
754 * Makefile.in (OBJS): Add rtl-error.o
755 (rtl-error.o): New rule.
756 (diagnostic.o): Adjust dependency.
757 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
758 error_for_asm, _fatal_insn, _fatal_insn_not_found,
759 warning_for_asm): Move to...
760 rtl-error.c: ...here. New file.
762 2001-08-14 Richard Henderson <rth@redhat.com>
764 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
765 if USING_SJLJ_EXCEPTIONS.
767 2001-08-14 Steve Ellcey <sje@cup.hp.com>
769 * tlink.c (scan_linker_output): Check string for unsatisfied in
770 addition to undefined and unresolved.
772 2001-08-14 Graham Stott <grahams@redhat.com>
774 * libgcc2.c (*): Replace EH_FRAME_SECTION with
775 EH_FRAME_SECTION_NAME.
777 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
779 * genattrtab.c (simplify_test_exp_in_temp): New function.
780 (simplify_test_exp): Avoid explicit use of temporary obstack.
781 (simplify_cond, insert_right_side, evaluate_eq_attr,
782 simplify_and_tree, simplify_or_tree, eliminate_known_true):
783 Use simplify_test_exp_in_temp.
784 (optimize_attrs): Iterate until expression stabilizes.
786 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
788 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
789 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
791 2001-08-13 Richard Henderson <rth@redhat.com>
793 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
794 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
795 * config/arm/conix-elf.h: Likewise.
797 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
799 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
801 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
803 * gcse.c (hash_scan_set): Expressions that are set as part of
804 jump instructions are not available.
806 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
808 * config/s390/s390.c (print_operand, s390_function_prologue,
809 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
811 2001-08-13 Richard Henderson <rth@redhat.com>
813 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
814 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
815 * doc/tm.texi (Exception Region Output): Document it.
817 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
819 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
820 DWARF2 instead of stabs by default.
822 2001-08-13 David Edelsohn <edelsohn@gnu.org>
824 * config/rs6000/rs6000.c: Include optabs.h.
826 2001-08-13 David Edelsohn <edelsohn@gnu.org>
828 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
829 save/restore routines.
830 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
832 2001-08-13 Andreas Jaeger <aj@suse.de>
834 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
835 the english is correct.
837 2001-08-13 Zack Weinberg <zackw@panix.com>
839 * expr.h: Split out optab- and libfunc-related code to...
840 * optabs.h, libfuncs.h: ... these new headers.
842 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
844 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
846 * mkconfig.sh: Don't include insn-codes.h from config.h.
848 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
849 enum insn_code is available. Move reload_in_optab and
850 reload_out_optab array declarations to optabs.h.
851 * regmove.c (gen_add3_insn): Move to optabs.c, export from
852 there, prototype in expr.h.
853 * gencodes.c: Cleanup: zap global variables, don't use
854 printf where puts will do, don't bother defining MAX_INSN_CODE
855 which nothing uses, let CODE_FOR_nothing get its value implicitly.
857 * genemit.c, genopinit.c: Include optabs.h in generated file.
858 * genoutput.c: Include insn-codes.h in generated file.
859 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
860 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
861 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
862 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
863 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
864 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
866 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
867 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
868 config/m88k/m88k.c, config/sparc/sparc.c:
870 * reload.c: Include expr.h and optabs.h before reload.h.
871 * config/alpha/alpha.c: Include tree.h before reload.h.
872 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
873 and reload.h in that order.
874 * config/sparc/sparc.c: Include debug.h.
875 * recog.c: Include insn-codes.h.
877 2001-08-13 Andreas Jaeger <aj@suse.de>
879 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
882 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
884 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
885 * gcc.c (init_spec): Fix typo in comment.
886 * varasm.c (data_section): Fix typo in comment.
888 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
890 * predict.c (dump_prediction): New argument "USED".
891 (combine_predictions_for_insn): Determine the used heuristics,
892 output the case no heuristic applied.
893 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
895 2001-08-13 Andreas Jaeger <aj@suse.de>
897 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
900 2001-08-13 Kazu Hirata <kazu@hxi.com>
902 * jump.c: Fix formatting.
904 2001-08-13 Kazu Hirata <kazu@hxi.com>
906 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
909 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
911 * loop.c (check_dbra_loop): Use condjump_label to compute
914 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
915 to better document the files they're in.
917 2001-08-12 Zack Weinberg <zackw@panix.com>
919 * recog.h (struct insn_operand_data): Shrink 'mode' field
922 2001-08-12 Kazu Hirata <kazu@hxi.com>
924 * gcc.c: Fix comment formatting.
925 * gccspec.c: Likewise.
928 * genemit.c: Likewise.
929 * gengenrtl.c: Likewise.
930 * genrecog.c: Likewise.
931 * gensupport.c: Likewise.
932 * ggc-page.c: Likewise.
933 * global.c: Likewise.
936 * integrate.c: Likewise.
938 * libgcc2.c: Likewise.
940 * mbchar.c: Likewise.
941 * optabs.c: Likewise.
942 * predict.c: Likewise.
943 * prefix.c: Likewise.
944 * profile.c: Likewise.
945 * protoize.c: Likewise.
948 * regclass.c: Likewise.
949 * regmove.c: Likewise.
950 * reg-stack.c: Likewise.
951 * reload1.c: Likewise.
952 * resource.c: Likewise.
953 * rtlanal.c: Likewise.
956 2001-08-12 Kazu Hirata <kazu@hxi.com>
958 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
959 a tree representing a constant is passed to the macro.
961 2001-08-12 Richard Henderson <rth@redhat.com>
963 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
964 (rs6000_elf_asm_out_destructor): New.
965 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
966 (DTORS_SECTION_ASM_OP): Remove.
967 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
968 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
970 2001-08-12 David Edelsohn <edelsohn@gnu.org>
973 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
974 * gcc.c (set_collect_gcc_options): New function, split out from
976 Ignore elided switches.
977 (do_spec_1): Invoke before executing command.
980 * gcc.h (set_input): ... here.
981 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
984 2001-08-12 Richard Henderson <rth@redhat.com>
986 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
987 thinko wrt TARGET_RELOCATABLE.
989 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
991 * fix-header.c (cb_file_change): Update prototype.
993 2001-08-11 Zack Weinberg <zackw@panix.com>
995 * toplev.c (set_float_handler): Make static.
996 * toplev.h: Don't prototype set_float_handler.
998 * simplify-rtx.c: Don't include setjmp.h.
999 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
1001 (simplify_unary_operation, simplify_binary_operation): Use them,
1002 via do_float_handler.
1004 * fold-const.c: Don't include setjmp.h.
1005 (exact_real_inverse_1): New function.
1006 (exact_real_inverse): Use it, via do_float_handler.
1008 * varasm.c: Don't include setjmp.h.
1009 (assemble_real_1): New function.
1010 (assemble_real): Use it, via do_float_handler.
1011 Call internal_error if we get a trap here.
1013 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
1014 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
1016 2001-08-11 Zack Weinberg <zackw@panix.com>
1018 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
1019 STACK_BOUNDARY if not already defined.
1021 * calls.c, function.c, reload1.c, explow.c: Don't default
1022 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
1023 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
1025 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
1028 * doc/tm.texi: Document that STACK_BOUNDARY is required;
1029 clarify difference between it and PREFERRED_STACK_BOUNDARY.
1031 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1033 * cppmacro.c (enter_macro_context): Push macro expansions even
1036 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1038 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
1039 (rs6000_elf_section_type_flags): Actually return a value.
1041 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
1043 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
1044 Clean up code: add missing comments and prototypes, fix warnings,
1045 remove obsolete code, fix spacing to conform to coding style.
1047 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
1049 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
1050 and TARGET_ASM_CLOSE_PAREN.
1051 (regclass_map): CC register belongs to class NO_REGS.
1052 (legitimize_pic_address): Don't generate unnecessary moves
1053 (to avoid confusing loop optimization).
1054 (check_and_change_labels): Replace jump_long by indirect_jump.
1055 (s390_final_chunkify): Don't start a new literal pool on section
1056 switch in 64-bit code.
1057 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
1059 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
1060 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
1061 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
1063 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
1064 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
1065 (CONST_COSTS): Fixed incorrect costs.
1067 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
1068 Use emit_jump instead of emit_jump_insn (gen_jump).
1069 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
1070 (to avoid confusing flow analysis).
1071 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
1072 (casesi, casesi_jump): New.
1073 (jump_long): Removed. Functionality merged into indirect_jump.
1074 (indirect_jump): Accept address_operand, not just register_operand.
1075 (cjump_long, icjump_long): Use same logic as indirect_jump.
1076 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
1077 Fixed broken setjmp/longjmp handling.
1078 (do_builtin_setjmp_setup): Removed.
1080 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
1081 broken GNU as versions that don't accept .quad with large
1082 negative values. Use hexadecimal output instead.
1083 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
1084 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
1085 FUNCTION_EPILOGUE): Removed. Now in targetm.
1087 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
1089 * config/s390/fixdfdi.h: Add missing copyright statement.
1090 Fix type conflicts on 64-bit. Add missing SFmode routines.
1092 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
1095 2001-08-11 Richard Henderson <rth@redhat.com>
1097 * rtl.h (REG_EH_RETHROW): Remove.
1098 * rtl.c (reg_note_name): Update.
1099 * combine.c (distribute_notes): Don't check for it.
1101 2001-08-11 Richard Henderson <rth@redhat.com>
1103 * combine.c (distribute_notes): Place REG_SETJMP.
1105 2001-08-11 Richard Henderson <rth@redhat.com>
1107 * doc/extend.texi (Arrays and pointers implementation): Discourage
1108 relying on sign-extension of pointers.
1110 2001-08-11 H.J. Lu <hjl@gnu.org>
1112 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
1114 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
1115 RDATA_SECTION_ASM_OP.
1117 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1119 * doc/install.texi (Specific, c4x): Fix cross-reference to the
1120 main manual to work both for info and HTML versions.
1122 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1123 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1125 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
1126 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
1127 (struct cpp_pool): New member first.
1128 * cppinit.c (append_include_chain): Plug memory leaks.
1129 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
1130 Allocate pragma structures from the (aligned) macro pool to
1131 avoid leaking memory.
1132 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
1133 so we don't leak memory.
1134 * hashtable.c (ht_destroy): New.
1135 * hashtable.h (ht_destroy): New.
1137 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1138 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1140 * c-lex.c (map): Make const.
1141 (cb_file_change): Update for callback passing a line map.
1142 Don't assume we have a previous map. Remove sanity check
1143 about popping too many files.
1144 * cpperror.c (print_location): Make map const.
1145 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
1146 (cpp_make_system_header): Similarly.
1147 (search_from): Similarly.
1148 (_cpp_execute_include): Don't remember where we came from.
1149 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
1150 (struct cpp_reader): Make map const.
1151 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
1152 * cpplib.c (do_line): Update; line maps now hold sysp.
1153 (cpp_push_buffer): Similarly.
1154 (_cpp_do_file_change): Similarly; callback with map instead.
1155 (cpp_get_line_maps): Constify return value.
1156 (_cpp_pop_buffer): Update.
1157 * cpplib.h (struct cpp_file_change): Remove.
1158 (struct cpp_callbacks): Update.
1159 (cpp_get_line_maps): Constify return value.
1160 * cppmacro.c (_cpp_create_definition): Update.
1161 * cppmain.c (struct printer): Constify map.
1162 (maybe_print_line): Similarly.
1163 (print_line): Similarly. Deduce flags 1 and 2 here.
1164 (cb_file_change): Update.
1165 * line-map.c (free_line_maps): Warn regardless.
1166 (add_line_map): Return pointer to const. When passed NULL to_file
1167 with LC_LEAVE, use the obvious values for the return point so the
1168 caller doesn't have to figure them out.
1169 (lookup_line): Return pointer to const.
1170 (print_containing_files): Take pointer to const.
1171 * line-map.h (struct line_map): New members reason, sysp.
1172 (add_line_map): Return pointer to const.
1173 (lookup_line): Similarly.
1174 (print_containing_files): Take pointer to const.
1176 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
1177 Richard Henderson <rth@redhat.com>
1179 * regmove.c (regmove_optimize): Avoid setting a register twice in
1182 2001-08-10 Richard Henderson <rth@redhat.com>
1184 * doc/extend.texi (Arrays and pointers implementation): Document
1185 behavior of pointer/integer conversion.
1187 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
1189 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
1191 2001-08-10 Richard Henderson <rth@redhat.com>
1193 * doc/extend.texi (C Implementation): New chapter.
1194 * doc/gcc.texi (Top): Link it in.
1196 2001-08-10 Andrew Cagney <ac131313@redhat.com>
1198 * doc/install.texi (Specific): Fix CVS merge botch.
1200 2001-08-10 Richard Henderson <rth@redhat.com>
1202 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
1203 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
1205 2001-08-10 Zack Weinberg <zackw@stanford.edu>
1207 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
1208 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
1209 this macro is now required.
1211 * cselib.c (cselib_process_insn), flow.c (propagate_block),
1212 loop.c (find_and_verify_loops), reload.c (reload): Check
1213 for rtx code of CALL_INSN, not CALL, when deciding if we
1214 need to check for REG_SETJMP note.
1216 * gcse.c (compute_hash_table, compute_store_table): Update
1217 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
1220 * config/avr/avr.c: Fix typo.
1221 * config/convex/convex.c (expand_movstr): Use adjust_address.
1222 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
1224 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
1225 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
1227 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
1228 Do define STACK_BOUNDARY.
1229 * config/i370/i370.c: Include expr.h.
1230 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
1231 config/pa/som.h, config/v850/v850.h: Take in_ctors and
1232 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
1233 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
1234 * config/m88k/m88k.c: Include c-tree.h after expr.h.
1235 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
1236 * config/romp/romp.c: Include expr.h after tree.h.
1238 (output_fpop): Use xmalloc, not oballoc.
1239 * config/we32k/we32k.c: Include expr.h.
1241 2001-08-10 Kazu Hirata <kazu@hxi.com>
1243 * config/h8300/h8300.h: Fix formatting.
1245 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
1247 * c-common.h (RETURN_NULLIFIED_P): Lose.
1248 * c-semantics.c (genrtl_return_stmt): Don't check it.
1250 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
1252 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
1253 (mips_annotate_frame_insn): New function.
1254 (mips_emit_frame_related_store): New function.
1255 (save_restore_insns): Don't mark instructions that set up the base
1256 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
1257 the store instructions instead.
1258 (mips_expand_prologue): If the stack size is moved into a temporary
1259 register, do not mark that move as frame-related. Add a
1260 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
1262 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
1264 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
1265 stack slot as unchanging if current_function_calls_eh_return.
1267 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
1269 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
1270 access the second half of the TFmode scratch operand.
1272 2001-08-10 Anthony Green <green@redhat.com>
1274 * java/class.c (emit_register_classes): Conditionalize code on
1277 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1279 * doc/install.texi (Specific, avr): Fix cross-reference to the
1280 main manual to work both for info and HTML versions.
1282 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1284 * stmt.c (expand_null_return_1): Remove code to generate simple returns
1285 and "use_goto" argument.
1286 (expand_null_return, expand_value_return): Update all callers.
1287 * function.c (expand_function_end): Remove code to generate simple
1289 * config/vax/vax.md (epilogue): New expander for function return.
1290 * doc/md.texi (epilogue): Remove "if defined".
1292 2001-08-09 Zack Weinberg <zackw@stanford.edu>
1294 * Makefile.in: Partially revert my previous change:
1295 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
1296 of the hashtab.o and safe-ctype.o rules.
1298 2001-08-09 Richard Henderson <rth@redhat.com>
1300 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
1301 (USE_COLLECT2): Remove duplicate definition.
1302 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
1303 (use_collect2): Remove dead code.
1304 * configure.in (use_collect2): Remove will_use_collect2 and
1305 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
1306 * configure: Rebuild.
1308 * target.h (targetm.asm_out.constructor): New.
1309 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
1310 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
1311 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
1312 * varasm.c (in_ctors, in_dtors): New.
1313 (assemble_constructor, assemble_destructor): Remove.
1314 (default_stabs_asm_out_destructor): New.
1315 (default_named_section_asm_out_destructor): New.
1316 (dtors_section, default_dtor_section_asm_out_destructor): New.
1317 (default_stabs_asm_out_constructor): New.
1318 (default_named_section_asm_out_constructor): New.
1319 (ctors_section, default_ctor_section_asm_out_constructor): New.
1320 * output.h: Update declarations.
1321 * c-decl.c (c_expand_body): Use target hooks instead of
1322 assemble_constructor and assemble_destructor.
1323 * profile.c (output_func_start_profiler): Likewise.
1324 * objc/objc-act.c (finish_objc): Likewise.
1325 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
1326 for the constructor.
1327 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
1329 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
1330 (DTORS_SECTION_ASM_OP): Likewise.
1331 (__CTOR_LIST__): Use attribute section when possible.
1332 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
1334 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
1335 ASM_OUTPUT_CONSTRUCTOR.
1337 * config/darwin.c (machopic_asm_out_constructor): New.
1338 (machopic_asm_out_destructor): New.
1339 * config/darwin-protos.h: Update declarations.
1340 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1341 (ASM_OUTPUT_DESTRUCTOR): Remove.
1342 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1343 * config/nextstep.c (nextstep_asm_out_constructor): New.
1344 (nextstep_asm_out_destructor): New.
1345 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1346 (ASM_OUTPUT_DESTRUCTOR): Remove.
1347 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1348 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
1349 ASM_OUTPUT_*STRUCTOR.
1350 * config/i386/aix386ng.h: Likewise.
1352 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
1353 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
1354 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1355 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1356 * config/lynx.h: Likewise.
1357 * config/netware.h: Likewise.
1358 * config/psos.h: Likewise.
1359 * config/alpha/alpha-interix.h: Likewise.
1360 * config/alpha/elf.h: Likewise.
1361 * config/arc/arc.h: Likewise.
1362 * config/arm/aof.h: Likewise.
1363 * config/arm/coff.h: Likewise.
1364 * config/arm/elf.h: Likewise.
1365 * config/c4x/c4x.h: Likewise.
1366 * config/h8300/h8300.h: Likewise.
1367 * config/i386/cygwin.h: Likewise.
1368 * config/i386/djgpp.h: Likewise.
1369 * config/i386/i386-coff.h: Likewise.
1370 * config/i386/i386-interix.h: Likewise.
1371 * config/i386/sco5.h: Likewise.
1372 * config/i386/vsta.h: Likewise.
1373 * config/i386/win32.h: Likewise.
1374 * config/i960/i960-coff.h: Likewise.
1375 * config/ia64/sysv4.h: Likewise.
1376 * config/m68hc11/m68hc11.h: Likewise.
1377 * config/m68k/coff.h: Likewise.
1378 * config/m68k/mot3300.h: Likewise.
1379 * config/m88k/m88k.h: Likewise.
1380 * config/mcore/mcore-pe.h: Likewise.
1381 * config/mcore/mcore.h: Likewise.
1382 * config/mips/elf.h: Likewise.
1383 * config/mips/elf64.h: Likewise.
1384 * config/mips/iris6.h: Likewise.
1385 * config/pa/pa64-hpux.h: Likewise.
1386 * config/rs6000/sysv4.h: Likewise.
1387 * config/sh/sh.h: Likewise.
1388 * config/sparc/litecoff.h: Likewise.
1390 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
1391 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1392 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1393 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1394 (ASM_OUTPUT_DESTRUCTOR): Remove.
1395 * config/a29k/a29k.c: Move include of tree.h.
1396 * config/a29k/udi.h: Delete file.
1397 * config/alpha/alpha.c (vms_asm_out_constructor): New.
1398 (vms_asm_out_destructor): New.
1399 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
1400 (EXTRA_SECTION_FUNCTIONS): Likewise.
1401 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1402 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1403 * config/c4x/c4x.c: Move include of tree.h.
1404 * config/clipper/clipper.c (clix_asm_out_constructor): New.
1405 (clix_asm_out_destructor): New.
1406 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1407 (ASM_OUTPUT_DESTRUCTOR): Remove.
1408 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1409 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1410 (TARGET_ASM_CONSTRUCTOR): New.
1411 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
1412 (sco_asm_out_constructor): New.
1413 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
1414 * config/i386/svr3gas.h: Remove stack grows up code.
1415 Remove code duplicated from i386/sysv3.h.
1416 (TARGET_ASM_CONSTRUCTOR): New.
1417 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1418 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
1419 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1420 (TARGET_ASM_CONSTRUCTOR): New.
1421 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
1422 (m68hc11_asm_out_destructor): New.
1423 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
1424 (TARGET_ASM_DESTRUCTOR): New.
1425 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
1426 * config/m68k/dpx2.h: Properly undef all the bits inherited from
1427 config/svr3.h pertaining to section manipulation.
1428 * config/m68k/dpx2g.h: Remove #if 0 code.
1429 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
1430 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
1431 (ASM_OUTPUT_CONSTRUCTOR): Remove.
1432 (TARGET_ASM_CONSTRUCTOR): New.
1433 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
1434 (m88k_svr3_asm_out_constructor): New.
1435 (m88k_svr3_asm_out_destructor): New.
1436 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1437 (ASM_OUTPUT_DESTRUCTOR): Remove.
1438 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1439 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
1440 * config/rs6000/aix.h: Likewise.
1441 * config/mips/rtems64.h: Don't undef removed constructor related bits.
1442 * config/mips/vxworks.h: Likewise.
1443 * config/rs6000/lynx.h: Likewise.
1444 * config/sh/elf.h: Likewise.
1445 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
1446 (DTORS_SECTION_ASM_OP): New.
1447 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1448 (ASM_OUTPUT_DESTRUCTOR): Remove.
1449 * config/sparc/sol2-sld-64.h: Likewise.
1450 * config/vax/vax.c (vms_asm_out_constructor): New.
1451 (vms_asm_out_destructor): New.
1452 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1453 (ASM_OUTPUT_DESTRUCTOR): Remove.
1454 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1456 * doc/tm.texi (@node Initialization): Update.
1458 2001-08-09 Richard Henderson <rth@redhat.com>
1460 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
1461 (__do_global_dtors_aux): Use gp-relative static data to avoid
1462 one dynamic relocation.
1463 (__do_frame_setup): Register Java classes.
1464 * config/alpha/crtend.asm (__JCR_END__): New.
1466 2001-08-09 Zack Weinberg <zackw@stanford.edu>
1468 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
1469 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
1470 (GEN, STAGESTUFF): Add new files.
1471 (insn-constants.h, s-constants, tm-preds.h, s-preds,
1472 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
1473 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
1474 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
1475 as well as insn-codes.h and insn-flags.h in config.h; and no
1476 extra headers in tconfig.h and hconfig.h.
1478 * gencodes.c: Eliminate code to generate predicate declarations
1479 or #defines for md-file constants.
1480 * genconstants.c, genpreds.c: New files.
1482 * i386.md: Re-order guard expressions such that TARGET_64BIT
1483 comes first, when this permits better optimization. Add
1484 TARGET_64BIT to more x86-64 patterns. Add comment explaining
1485 why this is desirable.
1487 2001-08-09 Jakub Jelinek <jakub@redhat.com>
1489 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
1490 (find_fde_for_dso): Remove.
1491 (_Unwind_IteratePhdrCallback): New.
1492 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
1493 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
1495 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1497 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
1498 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
1500 2001-08-09 Graham Stott <grahams@redhat.com>
1502 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
1503 (vis_no_unit): Use it.
1504 (visualize_no_unit): Add the insn only if room exists.
1506 2001-08-09 Graham Stott <grahams@redhat.com>
1508 * predict.c (estimate_probability): Replace magic numbers with
1509 appropriate enumeration.
1511 2001-08-09 Graham Stott <grahams@redhat.com>
1513 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
1515 (EXTRACT_FLAGS): Likewise.
1517 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
1519 * config/mips/mips.c (mips_legitimate_address_p): Check for
1520 CONST_INT in last patch.
1522 2001-08-08 Anthony Green <green@redhat.com>
1524 * java/class.c (emit_register_classes): Use assemble_jcr if
1525 possible. Keep the original mechanism as a fallback.
1526 * defaults.h (JCR_SECTION_NAME): Define if we have named section
1527 and weak symbol support.
1528 * crtstuff.c (__JCR_LIST__): Define.
1529 (__JCR_END__): Define.
1530 (_Jv_RegiserClasses): Define weak symbol if possible.
1531 (__do_global_ctors_aux): Register classes for ELF targets with
1532 weak symbol support.
1534 2001-08-08 Kazu Hirata <kazu@hxi.com>
1536 * dbxout.c: Fix comment formatting.
1537 * dependence.c: Likewise.
1539 * diagnostic.c: Likewise.
1540 * dominance.c: Likewise.
1541 * doprint.c: Likewise.
1542 * dwarf2out.c: Likewise.
1543 * dwarfout.c: Likewise.
1544 * emit-rtl.c: Likewise.
1545 * except.c: Likewise.
1546 * explow.c: Likewise.
1547 * expmed.c: Likewise.
1550 * fold-const.c: Likewise.
1551 * function.c: Likewise.
1553 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1555 * global.c (retry_global_alloc): Avoid shadowing allocno.
1557 2001-08-08 Mark Mitchell <mark@codesourcery.com>
1559 * except.c (remove_fixup_regions): Fix typo.
1561 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
1563 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
1564 unsigned HOST_WIDE_INT to avoid warning.
1565 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
1566 * flow.c (set_block_for_new_insns): Likewise.
1568 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1570 * sibcall.c (return_value_pseudo): New static variable.
1571 (skip_copy_to_return_value): Handle return_value_pseudo.
1572 (call_ends_block_p): Ensure that return_value_pseudo is set.
1573 (optimize_sibling_and_tail_recursive_call): Discover the
1574 load of pseudo return value in alternate exit block.
1576 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1578 * calls.c (ECF_ALWAYS_RETURN): New constant.
1579 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
1580 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
1581 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
1582 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
1583 * rtl.c (reg_note_name): New name.
1584 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
1586 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
1588 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
1590 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
1592 * alias.c (get_alias_set): Return a previously calculated
1593 alias set for a VAR_DECL.
1594 * function.c (gen_mem_addressof): Calculate the alias set before
1597 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
1599 * predict.def: Set hitrates according our experimental run.
1601 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1603 * i386.h (HARD_REGNO_RENAME_OK): New macro.
1605 2001-08-08 H.J. Lu <hjl@gnu.org>
1607 * config/mips/mips.c (mips_unique_section): New. Copied from
1610 * config/mips/mips-protos.h (mips_unique_section): New
1613 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
1615 * config/mips/little.h: New. Generic little endian mips
1616 targets. Only mips*-*-linux* is converted to use it so far.
1618 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
1619 (WCHAR_TYPE): Defined
1620 (WCHAR_TYPE_SIZE): Likewise.
1621 (INIT_SUBTARGET_OPTABS): Likewise.
1622 (BSS_SECTION_ASM_OP): Likewise.
1623 (SBSS_SECTION_ASM_OP): Likewise.
1624 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
1625 (ASM_DECLARE_OBJECT_NAME): Likewise.
1626 (UNIQUE_SECTION): Likewise.
1627 (EXTRA_SECTIONS): Likewise.
1628 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1629 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1630 (ASM_OUTPUT_DEF): Likewise.
1631 (HANDLE_SYSV_PRAGMA): Removed.
1632 (NO_IMPLICIT_EXTERN_C): Likewise.
1633 (TARGET_MEM_FUNCTIONS): Likewise.
1634 (STARTFILE_SPEC): Likewise.
1635 (ENDFILE_SPEC): Likewise.
1636 (LIB_SPEC): Likewise.
1637 (INVOKE__main): Likewise.
1638 (CTOR_LIST_BEGIN): Likewise.
1639 (CTOR_LIST_END): Likewise.
1640 (DTOR_LIST_BEGIN): Likewise.
1641 (DTOR_LIST_END): Likewise.
1642 (SET_ASM_OP): Likewise.
1643 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1644 (ASM_OUTPUT_DEF): Likewise.
1645 (ASM_OUTPUT_IDENT): Likewise.
1647 * config/mips/mips.h (ASM_SPEC): Undefine before define.
1648 (CPLUSPLUS_CPP_SPEC): Likewise.
1649 (ASM_APP_ON) Redefine only if not defined.
1650 (ASM_APP_OFF): Likewise.
1651 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1652 (ASM_OUTPUT_IDENT): Likewise.
1654 * config.gcc: Update tm_file for Linux/mips.
1656 2001-08-08 Bernd Schmidt <bernds@redhat.com>
1658 * cselib.c (cselib_record_sets): If insn is predicated, turn
1659 sources into IF_THEN_ELSEs.
1661 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
1662 Turn into define_insn_and_split.
1664 * sched-deps.c: Include "cselib.h".
1665 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
1666 Use cselib to turn memory addresses into VALUEs.
1667 (sched_analyze): Call cselib_init/cselib_finish if necessary.
1668 * sched-int.h (struct sched_info): New member USE_CSELIB.
1669 * sched-ebb.c (ebb_sched_info): Initialize it.
1670 * sched-rgn.c (rgn_sched_info): Likewise.
1671 * Makefile.in (sched-deps.o): Update dependencies.
1673 * cselib.h (cselib_subst_to_values): Declare.
1674 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
1675 that have no value and autoincs to be handled by generating a new
1678 2001-08-08 Graham Stott <grahams@redhat.com>
1680 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
1681 within fixed length SEQUENCE.
1683 2001-08-08 Graham Stott <grahams@redhat.com>
1685 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
1686 (diagnostic_prefixing_rule): Likewise.
1687 (diagnostic_line_cutoff): Likewise.
1688 (diagnostic_kind_count): Likewise.
1690 2001-08-08 Graham Stott <grahams@redhat.com>
1692 * alias.c (find_base_decl): Delete redundent assignment.
1694 2001-08-08 Graham Stott <grahams@redhat.com>
1696 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
1697 (abs): Uppercase and paranthesize macro parameter.
1698 (MEM_DEPENDENCY): Add whitespace.
1700 2001-08-08 Graham Stott <grahams@redhat.com>
1702 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
1703 failure check for CONST_INT
1705 2001-08-08 Graham Stott <grahams@redhat.com>
1707 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
1708 (libcall_dead_p): Likewise.
1710 (mark_used_regs): Constify fmt.
1711 (find_use_as_address): Likewise.
1713 2001-08-08 Graham Stott <grahams@redhat.com>
1715 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
1718 2001-08-08 Graham Stott <grahams@redhat.com>
1720 * combine.c (combine_simplify_rtx): Update comment and
1721 remove erroneous test.
1723 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
1725 * cppinit.c (cpp_finish): Pop the final buffer without comment.
1726 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
1727 take care to avoid multiple no-newline at EOF warnings in that
1730 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
1732 * calls.c (expand_call): Do not emit INSN_SETJMP note.
1733 (emit_library_call_value_1): Likewise.
1734 (emit_call_1): Emit REG_SETJMP note.
1735 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
1737 * cselib.c (cselib_process_insn): Likewise.
1738 * flow.c (propagate_block): Likewise.
1739 * loop.c (find_and_verify_loops): Likewise.
1740 * reload.c (find_equiv_regs): Likewise.
1741 * reload1.c (reload): Likewise.
1742 * resource.c (mark_referenced_resources,
1743 mark_set_resources): Likewise.
1744 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
1745 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
1746 * haifa-sched.c (unlink_other_notes): Likewise.
1747 (reemit_notes): Likewise.
1748 * sched-ebb.c (sched_ebb): Likewise.
1749 * sched-rgc.c (sched_region): Likewise.
1750 * rtl.c (note_insn_name): Likewise.
1751 (reg_note_name): Add REG_SETJMP
1752 * rtl.h (reg_note): Add REG_SETJMP.
1753 (insn_note): Remove NOTE_INSN_SETJMP.
1755 * profile.c (branch_prob): Add fake edges for setjmp.
1757 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
1759 * config.gcc: Quote target_cpu_default2 correctly for
1760 powerpc*-*-* targets.
1762 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
1764 * cpplib.h, line-map.h: Update comments.
1765 * cppmain.c (printer_init): Move inline.
1766 (maybe_print_line, print_line): Take a map pointer.
1767 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
1768 (cb_file_change): Don't use prior value of print.map.
1770 2001-08-07 David Edelsohn <edelsohn@gnu.org>
1772 * doc/install.texi: Document fine-grained multilib configuration.
1774 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1776 * rtlanal.c (find_first_parameter_load): Call note_stores
1777 only on the instructions.
1779 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1781 * alias.c (nonlocal_mentioned_p):
1782 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
1783 * calls.c (emit_call_1): Likewise.
1784 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
1785 * cselib.c (cselib_process_insn): Likewise.
1786 * df.c (df_insns_modify): Likewise.
1787 * flow.c (need_fake_edge_p): Likewise.
1788 (propagate_one_insn): Likewise.
1789 * haifa-sched.c (reemit_notes): Likewise.
1790 * integrate.c (copy_insn_list): Likewise.
1791 * jump.c (delete_prior_computation): Likewise.
1792 * local-alloc.c (validate_equiv_mem): Likewise.
1793 * loop.c (scan_loop): Likewise.
1794 * predict.c (estimate_probability): Likewise.
1795 * reload.c (reload): Likewise.
1796 * sched-deps (sched_analyze): Likewise.
1797 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
1798 * gcse.c (compute_hash_table): Likewise.
1799 (mark_call): Likewise.
1800 (store_killed_in_insn): Likewise.
1802 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
1804 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
1806 2001-08-06 Richard Henderson <rth@redhat.com>
1808 * varasm.c (assemble_gc_entry): Remove.
1809 * output.h: Likewise.
1811 2001-08-06 Richard Henderson <rth@redhat.com>
1813 * varasm.c (assemble_constructor): Take a symbol_ref and a
1814 priority instead of a bare string. Move priority handling
1815 here from cp/decl2.c.
1816 * output.h: Update decls.
1818 * c-decl.c (c_expand_body): Update calls to assemble_constructor
1819 and assemble_destructor.
1820 * profile.c (output_func_start_profiler): Likewise.
1821 * objc/objc-act.c (finish_objc): Likewise.
1822 (build_module_descriptor): Return the symbol not the symbol name.
1824 2001-08-06 David Edelsohn <edelsohn@gnu.org>
1826 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
1827 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
1828 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
1829 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
1830 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
1831 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
1833 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1835 * cpperror.c (print_containing_files): Moved to line-map.c.
1836 (print_location): line-map.c handles re-listing or otherwise.
1837 * cpphash.h (struct lexer_state): Remove next_bol.
1838 (struct cpp_buffer): Remove include_stack_listed.
1839 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
1840 Remove faked buffer handling.
1841 (_cpp_do_file_change): Tweak.
1842 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
1843 * cppmain.c (struct printer): Remove filename.
1844 (print_line, cb_file_change): Update accordingly.
1845 * line-map.c: Include intl.h.
1846 (init_line_maps): Initialize last_listed.
1847 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
1848 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
1849 (print_containing_files): New.
1850 * line-map.h (struct line_maps): New member last_listed.
1851 (print_containing_files, INCLUDED_FROM): New.
1852 * Makefile.in: Update.
1853 * po/POTFILES.in: Add line-map.c.
1855 2001-08-06 Richard Henderson <rth@redhat.com>
1857 * except.c (convert_from_eh_region_ranges_1): Never mark
1858 USE or CLOBBER insns as throwing.
1860 * expr.c (store_constructor): Don't clobber memory targets.
1862 2001-08-06 Andreas Jaeger <aj@suse.de>
1864 * profile.c (branch_prob): Remove unused variable insn.
1866 * Makefile.in (local-alloc.o): Add dependency on except.h.
1868 * local-alloc.c: Include except.h for can_throw_internal prototype.
1870 2001-08-06 Richard Henderson <rth@redhat.com>
1872 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1873 * function.c (expand_main_function): Implement it.
1874 * doc/tm.texi: Document it.
1876 2001-08-06 Stan Shebs <shebs@apple.com>
1878 * doc/install.texi: Document powerpc-*-darwin* details.
1880 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
1882 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
1883 (ASM_CPU_SPEC): Move back to rs6000.h
1884 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
1886 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
1888 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
1891 * config/rs6000/linux64.h: Ditto.
1893 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1894 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
1897 Remove accidently readded definitions of FUNCTION_PROLOGUE,
1898 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
1900 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1903 2001-08-05 Richard Henderson <rth@redhat.com>
1905 * local-alloc.c (update_equiv_regs): Do not move insns that
1908 2001-08-05 Jan Hubicka <jh@suse.cz>
1910 * Makefile.in (reload1.o): Add dedendancy on except.h
1911 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
1913 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
1914 indicating wehther edges has been cleaned up.
1915 * reload1.c: Inlucde except.h
1916 (fixup_abnormal_edges): Accept deleted insns.
1917 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
1920 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1922 * cpplib.c (do_line): Correct line number after pop_buffer.
1924 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1926 PR preprocessor/3824
1927 * line-map.c: Update comments.
1928 * line-map.h: Update comments.
1929 * tradcif.y: Don't consider large numbers unsigned.
1931 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1933 PR preprocessor/3081
1934 * c-lex.c (map): New.
1935 (cb_file_change): Update map and use it.
1936 (cb_def_pragma, cb_define, cb_undef): Use map and line.
1937 (c_lex): Update to use map.
1938 * cpperror.c (print_location): Move to using logical line numbers.
1939 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
1940 (cpp_make_system_header): Similarly.
1941 (_cpp_execute_include): Stop line numbering hacks. Store the
1942 line we will return to.
1943 * cpphash.h (CPP_BUF_LINE): Remove.
1944 (struct cpp_buffer): Remove lineno and pseudo_newlines.
1945 Add map and return_to_line.
1946 (_cpp_do_file_change): Update.
1947 * cppinit.c (cpp_start_read): Update line kludge.
1948 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
1949 (trigraph_ok): Use logical line numbers for diagnostics.
1950 (skip_block_comment): Likewise.
1951 (skip_whitespace): Likewise.
1952 (skip_line_comment): Use pfile->line instead.
1953 (_cpp_lex_token): Update to use logical line numbering exclusively.
1954 Handle BOL locally. Accept new lines in directives, but keep
1955 pfile->line decremented. Diagnostics use logical lines. Update
1957 * cpplib.c (SEEN_EOL): New.
1958 (skip_rest_of_line, check_eol): Use it.
1959 (end_directive): Increase line number when accepting the newline
1960 at the end of a directive.
1961 (run_directive): Simplify.
1962 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
1963 (_cpp_do_file_change): Update to take buffer line number as an
1964 argument, and store the current map in the cpp_reader. Remove
1965 line number kludges.
1966 (_cpp_do__Pragma): Restore output position after a _Pragma.
1967 (cpp_push_buffer): Don't set output line or lineno.
1968 (_cpp_pop_buffer): Transfer more info from a faked buffer.
1969 Remove line kludge. Set output_line.
1970 * cppmacro.c (builtin_macro): Update handling of __LINE__.
1971 (parse_arg): Use logical lines.
1972 (save_lookahead_token): Save EOFs too now.
1973 * cppmain.c (struct printer): Fix comments.
1974 (printer_init): Simplify, let caller do errors.
1975 (scan_translation_unit, check_multiline_token, dump_macro): Update.
1976 (maybe_print_line): Simplify.
1977 (print_line): Don't print a linemarker if -P.
1978 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
1979 (cb_file_change): Simplify.
1980 * line-map.h (LAST_SOURCE_LINE): Fix.
1981 (CURRENT_LINE_MAP): New.
1983 2001-08-05 Bernd Schmidt <bernds@redhat.com>
1985 * doloop.c (doloop_modify_runtime): Properly compute number of
1986 iterations if loop was unrolled.
1988 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
1989 if their CSELIB_VAL_PTRs are.
1991 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
1992 (setup_spill_pointers): Initialize it.
1993 (spill_restore_mem): Set it.
1994 (do_spill, do_restore): Use it to add REG_INC note.
1995 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
1997 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
1998 asms if other insns are available.
2000 * config/ia64/ia64.c (condop_operator): New predicate.
2001 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
2002 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
2005 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
2006 temporary register than directly using a MEM.
2008 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2010 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
2011 parameter in last change.
2013 2001-08-04 Zack Weinberg <zackw@panix.com>
2015 * sparc.md: Don't use #if inside C test expression.
2017 2001-08-04 Richard Henderson <rth@redhat.com>
2019 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
2021 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
2023 * cpphash.h (struct cpp_reader): New member directive_line.
2024 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
2025 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
2026 do_pragma): Pass line to callbacks.
2027 (start_directive): Record line of directive.
2028 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
2029 cb_include): Similarly.
2030 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
2033 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2035 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
2038 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2040 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
2042 * reload1.c (fixup_abnormal_edges): New static function.
2045 * flow.c (need_fake_edge_p): New function.
2046 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
2047 avoid call insn to be very last insn in the insn stream.
2049 * profile.c (branch_prob): Call flow_call_edges_add instead of
2050 doing that by hand; cleanup cfg to re-merge basic blocks once
2053 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2055 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
2056 are also on line-map.h.
2057 * cppfiles.c (stack_include_file): Update.
2058 * cpphash.h (struct cpp_buffer): New member return_at_eof.
2059 (_cpp_pop_buffer): New.
2060 * cppinit.c (cpp_destroy, cpp_finish): Update.
2061 (do_includes): Mark each buffer to return at EOF.
2062 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
2063 return as requested.
2064 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
2065 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
2066 * cpplib.h (cpp_pop_buffer): Remove.
2067 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
2068 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
2070 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
2072 (do_preprocessing): Update.
2073 * fix-header.c (read_scan_file): Update. No need to pop buffers.
2074 * c-parse.in (_yylex): Similarly.
2075 * scan-decls.c (scan_decls): Similarly.
2076 * line-map.h: Update comments.
2078 * objc/Make-lang.in (objc-act.o): Update dependencies.
2080 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2082 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
2083 and soft register for operand 0.
2084 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
2086 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2088 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
2089 register for operand 0.
2090 ("bitcmpqi_z_used"): Allow memory for operand 0.
2091 (split "bitcmpqi"): New split to handle address reg as operand 1.
2093 2001-08-04 Andreas Jaeger <aj@suse.de>
2095 * gcse.c: Revert Daniel's last patch.
2097 2001-08-03 Zack Weinberg <zackw@stanford.edu>
2099 * sparc-protos.h: Add prototypes for fp_zero_operand and
2101 * sh-protos.h: Add prototype for fpul_operand.
2103 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2105 * doc/extend.texi (Other Builtins): Fix typo in last change.
2107 2001-08-03 Richard Henderson <rth@redhat.com>
2109 * target.h (gcc_target): Add asm_out.named_section,
2110 section_type_flags, have_named_sections.
2111 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
2112 (TARGET_HAVE_NAMED_SECTIONS): New.
2113 (TARGET_SECTION_TYPE_FLAGS): New.
2115 * Makefile.in (toplev.o): Depend on TARGET_H.
2116 (varasm.o, dbxout.o): Likewise.
2117 * c-common.c (decl_attributes): Check targetm.have_named_sections
2118 instead of ifdef ASM_OUTPUT_SECTION_NAME.
2119 * dbxout.c (dbxout_function_decl): Likewise.
2120 (dbxout_function_end): Likewise.
2121 * toplev.c (compile_file): Likewise.
2122 * varasm.c (exception_section): Likewise.
2123 * cp/decl2.c (finish_objects): Likewise.
2125 * defaults.h (EH_FRAME_SECTION): Remove.
2126 (EH_FRAME_SECTION_ASM_OP): Remove.
2127 (EH_FRAME_SECTION_NAME): New.
2128 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
2129 (UNIQUE_SECTION_P): Remove.
2130 * dwarf2out.c (SECTION_FORMAT): Remove.
2131 (ASM_OUTPUT_SECTION): Remove.
2132 (output_call_frame_info): Use named_section_flags.
2133 (output_comp_unit, dwarf2out_start_source_file): Likewise.
2134 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
2135 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
2136 * varasm.c (in_eh_frame, eh_frame_section): Remove.
2137 (named_section_flags): New.
2138 (named_section): Use it and targetm.section_type_flags.
2139 (resolve_unique_section): New.
2140 (assemble_start_function): Use it.
2141 (asm_emit_uninitialised, assemble_variable): Likewise.
2142 (default_section_type_flags): New.
2143 (default_no_named_section, default_elf_asm_named_section): New.
2144 (default_coff_asm_named_section, default_pe_asm_named_section): New.
2145 * output.h: Update varasm.c decls.
2146 (SECTION_*): New flags.
2148 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
2149 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
2151 * config/elfos.h (UNIQUE_SECTION_P): Remove.
2152 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
2153 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
2154 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
2155 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
2156 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
2157 * config/mips/elf.h, config/mips/elf64.h: Likewise.
2158 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
2159 * config/pa/pa64-hpux.h,
2161 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
2162 (TARGET_ASM_NAMED_SECTION): New.
2163 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
2164 * config/alpha/vms.h, config/arm/coff.h: Likewise.
2165 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
2166 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
2167 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
2168 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
2169 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
2170 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
2171 * config/i386/sco5.h, config/i386/win32.h: Likewise.
2172 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
2173 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
2174 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
2175 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
2176 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
2177 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
2178 * config/sparc/sysv4.h: Likewise.
2180 * config/nextstep.h: Error until named sections implemented.
2182 * config/a29k/a29k.c (a29k_asm_named_section): New.
2183 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
2184 (vms_section_type_flags, vms_asm_named_section): New.
2185 * config/arm/arm.c (arm_elf_asm_named_section): New.
2186 * config/avr/avr.c (asm_output_section_name): Remove.
2187 * config/avr/avr-protos.h: Update.
2188 * config/c4x/c4x.c (c4x_asm_named_section): New.
2189 * config/h8300/h8300.c (h8300_asm_named_section): New.
2190 * config/i386/i386.c (sco_asm_named_section): New.
2191 * config/i386/winnt.c (SECTION_PE_SHARED): New.
2192 (i386_pe_section_type_flags): New.
2193 (i386_pe_asm_named_section): New.
2194 * config/i386/i386-protos.h: Update.
2195 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
2196 * config/mcore/mcore.c (mcore_asm_named_section): New.
2197 * config/mips/mips.c (iris6_asm_named_section): New.
2198 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
2199 instead of UNIQUE_SECTION_P.
2200 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
2201 (xcoff_asm_named_section): New.
2202 * config/sh/sh.c (sh_asm_named_section): New.
2203 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
2205 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
2206 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
2207 (EH_FRAME_SECTION_NAME): New.
2208 (EXCEPTION_SECTION): New.
2209 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
2210 (DEBUG_*_SECTION): Remove.
2211 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
2212 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
2213 (EH_FRAME_SECTION_ASM_OP): Remove.
2215 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
2216 (ASM_OUTPUT_SECTION_NAME): Remove.
2217 (TARGET_ASM_NAMED_SECTION): New.
2218 (TARGET_HAVE_NAMED_SECTIONS): New.
2219 (TARGET_SECTION_TYPE_FLAGS): New.
2220 (EH_FRAME_SECTION_ASM_OP): Remove.
2221 (EH_FRAME_SECTION_NAME): New.
2223 2001-08-03 Zack Weinberg <zackw@stanford.edu>
2225 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
2226 for complex expressions when cfun == 0.
2227 * doc/extend.texi: Document that __builtin_constant_p can be
2228 used in data initializers as well as functions.
2230 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
2232 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
2233 variable I locally, instead of expecting a declaration in the
2236 2001-08-03 Richard Henderson <rth@redhat.com>
2238 * except.c (collect_one_action_chain): Add an explicit cleanup
2239 action if regions surrounding a catch were encoded entirely
2240 within the call-site entry.
2242 2001-08-03 Richard Henderson <rth@redhat.com>
2244 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
2245 don't take REGNO of a non-register.
2247 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2249 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
2250 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
2251 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
2252 (__gthread_mutex_init_function): New function for mutex initialization.
2254 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
2256 * Makefile.in: Revert screwed up commit.
2258 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2260 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
2261 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
2262 merged by linker script to get a final _exit().
2263 (__do_global_dtors): New for destructor handling in specific exit
2265 (__do_global_ctors): New for constructors in specific install section.
2266 (__map_data_section): Map data sections before running constructors.
2267 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
2268 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
2269 (DTORS_SECTION_ASM_OP): Likewise.
2270 (CTORS_SECTION_FUNCTION): Define to force a reference to
2272 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
2274 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
2276 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
2278 * Makefile.in: Add df.h to gcse.c dependencies.
2280 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2282 * varasm.c (output_constant_def_contents): Use for the length of a
2283 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
2284 depending on which is larger.
2286 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
2288 * gcse.c: Include df.h for use as a dataflow analyzer.
2290 Declaration of reg_set_info: gone.
2291 New df_analyzer variable used by store motion.
2292 (reg_set_info): Deleted.
2293 (mark_mem_regs): New function, analyze regs used by a mem.
2294 (store_ops_ok): Use dataflow analyzer results to determine if
2295 necessary regs are changed in the block.
2296 (find_moveable_store): Remove check for symbol ref, we can handle
2297 much more complex expressions now.
2298 (compute_store_table): Remove most of the code, it's unnecessary
2299 now that the dataflow analyzer records the info for us.
2300 (store_killed_after): Add parameter to say whether to do the
2301 store_ops_okay test, used to speed up testing when we already know
2302 the answer, and just want to know if the store itself was killed.
2303 (build_store_vector): Largely rewritten to calculate the various
2304 vectors properly, and somewhat optimized.
2305 (store_motion): Init the df_analyzer, get REG_DEF chains.
2306 Also handle trapping expressions (since mems almost always trap)
2307 (simple_mem): Redefine what a simple mem is.
2309 2001-08-03 DJ Delorie <dj@redhat.com>
2311 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
2312 set from a constant part of the condition.
2314 2001-08-01 Andrew Cagney <ac131313@redhat.com>
2316 * mkdeps.c (deps_add_default_target): Make local variable
2317 ``start'' a const char pointer.
2318 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
2320 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2322 * doc/install.texi (Configuration): Fix markup.
2323 (Specific, i?86-*-udk): Likewise.
2324 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
2326 Document --enable-threads and --enable-libgcj status.
2327 (Specific, mips-sgi-irix*): Canonicalize triples.
2328 (Specific, mips-sgi-irix5): Warn about problems with this config.
2329 Mention required GNU as patch.
2330 Native assembler problems are fixed.
2331 (Specific, mips-sgi-irix6): Update O32 ABI support status.
2332 Document --enable-threads and --enable-libgcj status.
2334 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
2336 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
2339 2001-08-03 Richard Henderson <rth@redhat.com>
2341 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
2344 2001-08-03 Richard Henderson <rth@redhat.com>
2346 * rtlanal.c (find_first_parameter_load): Stop if we
2347 reach a CODE_LABEL at BOUNDARY.
2349 2001-08-03 Richard Henderson <rth@redhat.com>
2351 * config/alpha/alpha.md (force_movdi): New insn.
2352 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
2353 Tweek FRP marking of VMS prologue insns.
2354 * config/alpha/vms.h (EPILOGUE_USES): New.
2356 2001-08-02 Richard Henderson <rth@redhat.com>
2358 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
2360 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
2362 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
2363 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
2364 config/convex/convex.h, config/d30v/d30v.c,
2365 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
2366 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
2367 config/mips/mips.h, config/mn10200/mn10200.h,
2368 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
2369 config/v850/v850.h, config/vax/openbsd.h,
2370 config/vax/openbsd1.h, config/vax/ultrix.h,
2371 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
2372 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
2373 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
2374 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
2375 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
2376 in comments and documentation.
2378 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2382 * Makefile.in (line-map.o): New.
2383 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
2384 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
2385 * cpperror.c (print_containing_files): Similarly.
2386 (print_location): Update. Don't output a space before _Pragma.
2387 * cppfiles.c (stack_include_file): Set to line 1 immediately.
2388 (stack_include_filee, cpp_make_system_header): Update.
2389 (_cpp_execute_include): Get logical line number right for calling
2390 as-yet-unterminated #include.
2391 * cpphash.h (struct cpp_reader): Add line_maps.
2392 (_cpp_do_file_change): Update.
2393 * cppinit.c (cpp_create_reader): Initialize line maps.
2394 (cpp_destroy): Destroy line maps.
2395 (cpp_start_read): Get logical line number right.
2396 * cpplex.c (parse_string): Only warn once for multi-line strings.
2397 Use boolean variable for null warning.
2398 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
2400 (do_include_common): End the directive early.
2401 (do_line): Don't warn about out-of-range lines in preprocessed
2402 source. Update. Remove unused variables.
2403 (_cpp_do_file_change): Update for new line mapping.
2404 (pragma_cb): New typedef.
2405 (cpp_register_pragma): Stop looking ahead before calling the
2407 (do_pragma_system_header): End directive early.
2408 (cpp_get_line_maps): New.
2409 (cpp_pop_buffer): Fudge logical line. Update.
2410 * cpplib.h: Include line-map.h
2411 (enum cpp_fc_reason): Remove.
2412 (struct cpp_file_change): Update.
2413 (cpp_get_line_maps): New.
2414 * cppmain.c (struct_printer): New member map.
2415 (cb_file_change): Update for new mappings.
2416 * fix-header.c (cb_file_change): Similarly.
2418 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
2420 * Makefile.in (libgcc.mk): Define mkinstalldirs.
2421 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
2423 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
2425 * config/vax/vax.c: include expr.h.
2427 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
2429 * Makefile.in ($(srcdir)/configure): Only rebuild in
2431 ($(srcdir)/config.in): Only define in maintainer mode.
2432 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
2434 2001-08-02 David Edelsohn <edelsohn@gnu.org>
2436 * doc/install.texi (Install GCC: Binaries): Update Bull info.
2438 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2440 * gcc.c (set_collect_gcc_options): New function, split out from
2442 Ignore elided switches.
2443 (do_spec_1): Invoke before executing command.
2444 (set_input): Export.
2445 Move declaration ...
2446 * gcc.h (set_input): ... here.
2447 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
2450 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
2453 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
2455 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
2457 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
2459 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
2460 for the unnamed instructions it expands to.
2462 2001-08-02 Richard Henderson <rth@redhat.com>
2464 * regclass.c (call_really_used_regs): Conditionally define.
2465 (init_reg_sets_1): Don't use it if not defined.
2466 (fix_register): Similarly, don't set it.
2468 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2470 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
2471 Correct comment that had been missed in the previous change.
2473 2001-08-01 Stan Shebs <shebs@apple.com>
2475 * config/darwin.c (machopic_stub_name): Try matching by name.
2476 (update_stubs): New function.
2477 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
2480 2001-08-01 Richard Henderson <rth@redhat.com>
2482 * except.c (output_function_exception_table): Use assemble_align.
2483 * varasm.c (assemble_eh_label): Remove.
2484 (assemble_eh_align, assemble_eh_integer): Remove.
2486 2001-08-01 Robert Lipe <robertl@caldera.com>
2488 * dwarfout.c: Remove reference to README.DWARF.
2490 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
2492 * regclass.c (call_really_used_regs): New array for registers which
2493 are actually used by a call.
2494 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
2496 (fix_register): Set call_really_used too.
2497 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
2498 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
2500 2001-08-01 Richard Henderson <rth@redhat.com>
2502 * read-rtl.c (read_name): Consider \r whitespace.
2504 2001-07-11 Andrew Cagney <ac131313@redhat.com>
2506 * config.gcc: Recognize powerpc-*-netbsd*.
2508 * doc/install.texi (Host/target specific installation notes for
2509 GCC): Mention powerpc-*-netbsd*.
2511 * config/rs6000/netbsd.h: New file.
2512 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
2513 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
2514 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
2515 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
2516 (TARGET_VERSION): Redefine.
2518 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
2519 mcall-netbsd as a match for mcall-sysv.
2520 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
2521 (ncrti.S, ncrtn.S): New targets.
2522 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
2524 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
2525 "netbsd' as a V4 ABI.
2526 (ASM_SPEC): Check for -mcall-netbsd.
2527 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
2528 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
2529 (LIB_SPEC, ENDFILE_SPEC): Ditto.
2530 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
2531 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
2532 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
2533 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
2535 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
2536 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
2538 2001-08-01 Mark Kettenis <kettenis@gnu.org>
2540 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
2541 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
2542 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
2543 including "unwind-pe.h".
2545 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2547 * rs6000.md (define_splits): Kill unused constraints.
2549 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
2550 Jan Hubicka <jh@suse.cz>
2552 * function.c (thread_prologue_and_epilogue_insns): Kill code
2553 dealing with non-existent CFG.
2555 2001-08-01 Kazu Hirata <kazu@hxi.com>
2557 * alias.c: Fix comment formatting.
2558 * bitmap.c: Likewise.
2559 * builtins.c: Likewise.
2560 * calls.c: Likewise.
2561 * c-common.c: Likewise.
2562 * c-decl.c: Likewise.
2563 * c-dump.c: Likewise.
2564 * c-lex.c: Likewise.
2565 * collect2.c: Likewise.
2566 * combine.c: Likewise.
2567 * conflict.c: Likewise.
2568 * cppfiles.c: Likewise.
2569 * cppinit.c: Likewise.
2570 * cpplex.c: Likewise.
2571 * cpplib.c: Likewise.
2572 * cppmacro.c: Likewise.
2573 * cppspec.c: Likewise.
2574 * c-pragma.c: Likewise.
2575 * crtstuff.c: Likewise.
2577 * cselib.c: Likewise.
2578 * c-semantics.c: Likewise.
2579 * c-typeck.c: Likewise.
2581 2001-08-01 H.J. Lu <hjl@gnu.org>
2583 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
2585 2001-08-01 H.J. Lu <hjl@gnu.org>
2587 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
2589 2001-08-01 Ziemowit Laski <zlaski@apple.com>
2591 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
2592 contextualizing Objective-C class name lookup by the lexer.
2593 (typespec_reserved_nonattr): Disable ObjC class name lookup after
2595 (protocoldef): Add support for forward @protocol declarations.
2596 (yylexname): Suppress ObjC class name lookup in certain contexts;
2597 re-enable after lookup is complete.
2598 (_yylex): Re-enable ObjC class name lookup when certain
2599 punctuation marks are seen.
2601 * objc/objc-act.c (check_protocol_recursively): New function used
2602 for finding circular dependencies in protocols.
2603 (objc_declare_protocols): New function for handling forward
2604 @protocol declarations.
2605 (receiver_is_class_object): Detect the case when 'self' is used
2606 inside of a class method.
2607 (build_message_expr): Issue a warning if class method is desired
2608 but instance method is found instead.
2609 (conforms_to_protocol): Streamline.
2610 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
2611 protocol Foo, even if 'Bar foo' does not.
2612 (check_protocols): Streamline.
2613 (start_protocol): Add checks for circular and duplicate protocol
2615 (encode_aggregate_within): For typedefs of structs, encode the
2617 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
2618 (objc_declare_protocols): New prototype.
2620 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2622 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
2623 * cpplex.c (handle_newline): Update prototype. Maintain logical
2625 (skip_escaped_newlines, skip_block_comment, parse_string):
2627 (_cpp_lex_token): Update, and store token position within the token.
2628 * cpplib.h (struct cpp_token): Add line and column entries.
2629 * cppmacro.c (replace_args): Position stringified tokens correctly.
2631 2001-08-01 Andreas Jaeger <aj@suse.de>
2633 * basic-block.h: Add prototype for last_loop_beg_note.
2635 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
2637 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
2638 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
2640 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
2641 while handling WITH_CLEANUP_EXPR node. Use second operand calling
2642 expand_decl_cleanup.
2643 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
2645 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
2646 operand while calling simple_cst_equal.
2647 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
2648 operand is the cleanup expression, the third is the RTL_EXPR.
2649 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
2651 2001-07-31 Jeff Sturm <jsturm@one-point.com>
2653 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
2655 2001-07-31 matthew green <mrg@eterna.com.au>
2657 * config.gcc (i386-*-netbsdelf): New description.
2658 * config/i386/netbsd-elf.h: New file.
2660 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
2662 * loop.c (check_dbra_loop): Use single_set to compute
2665 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
2667 PowerPC reorg and support for powerpc64-*-linux*.
2669 Also fixes emitting of constants on 32 bit and 64 bit
2672 * config.gcc: powerpc64-*-linux* is a new target.
2673 Things that needed aix.h now also include xcoff.h
2675 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
2677 Move AIX specific stuff into aix.h.
2678 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
2679 with more than just XCOFF now.
2680 (SET_ASM_OP): Remove, now defined where needed.
2681 (FUNCTION_PROLOGUE): New macro definition.
2682 (FUNCTION_EPILOGUE): New macro definition.
2683 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
2685 * config/rs6000/xcoff.h: New file.
2687 * config/rs6000/linux64.h: New file.
2689 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
2691 2001-07-31 Alan Modra <amodra@bigpond.net.au>
2693 * rs6000.c (print_operand_address): Handle ELF syntax.
2694 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
2695 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
2696 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
2698 2001-07-31 David Edelsohn <edelsohn@gnu.org>
2700 * rs6000.c (rs6000_override_options): Only disable
2701 flag_function_sections for XCOFF.
2702 (exact_log2_cint_operand): New predicate.
2703 (reg_or_{add,sub}_cint64_operand): New predicates.
2704 (add_operand): Compare CONST_INT with fewer function calls.
2705 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
2706 (print_operand, case 'p'): Ensure positive operand.
2707 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
2708 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
2709 (PREDICATE_CODES): Add new predicates.
2710 * rs6000.md (addsi3): Split 32-bit constants more correctly.
2711 (divsi3, modsi3): Ensure positive power-of-2.
2712 (adddi3): Use new predicate. Split 32-bit constants more
2713 correctly. Re-arrange splitter to handle any constant.
2714 (subdi3): Use new predicate.
2715 (divdi3, moddi3): Ensure positive power-of-2.
2716 (movdi): Use rs6000_emit_set_const.
2717 (load_toc_v4_pic_di): Delete.
2719 2001-07-31 Graham Stott <grahams@redhat.com>
2721 * function.c (pad_below): Revert 2001-07-26 patch.
2723 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2725 * reg-stack (convert_regs_1): Fix best edge condition.
2727 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2729 * jump.c (duplicate_loop_exit_test): Better test for jumps
2730 entering the loop; create loop pre_header.
2732 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
2734 * doc/install.texi: Add s390 and s390x as new targets.
2735 * doc/invoke.texi: Add documantation of S/390 and zSeries
2737 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
2739 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
2741 * config/m68k/m68k.md: Replace all general_operand with
2742 nonimmediate_operand for all destinations.
2743 * config/m68k/m68k.c (not_sp_operand): Likewise.
2745 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
2747 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
2749 2001-07-30 Richard Henderson <rth@redhat.com>
2751 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
2752 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
2754 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
2756 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
2757 Add missing doc strings
2758 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
2759 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
2761 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2763 * i386.c (ix86_output_main_function_alignment_hack): New function.
2764 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
2766 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
2767 edges by EDGE_DFS_BACK flag.
2768 (dump_edge_info): Add dfs_back flag.
2769 * basic-block.h (EDGE_DFS_BACK): New constant.
2770 (mark_dfs_back_edges): Declare.
2771 * alias.c (loop_p): Remove.
2772 (mark_constant_function): Use mark_dfs_back_edges.
2774 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
2775 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
2776 (compensate_edge): Break out from ...
2777 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
2778 (convert_regs_2): Set block_done once block is really done;
2779 Do updating of the predecesors counts.
2781 * toplev.c (rest_of_compilation): Recompute block_for_insn
2782 before post-reload cfg_cleanup.
2783 * function.c (thread_prologue_epilogue_insns):
2784 Call set_block_for_new_insns when emitting prologue directly.
2786 2001-07-30 Andreas Jaeger <aj@suse.de>
2788 * jump.c: Add prototype for mark_modified_reg.
2790 * cse.c (set_live_p): Add unused attribute.
2792 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
2794 (scan_for_source_files): Use long for count to avoid overflow.
2795 (output_data): Likewise.
2796 (output_data): Don't use string concatatenation to silence gcc
2799 * predict.c: Fix typos and grammar.
2801 * gcse.c (insert_insn_end_bb): Remove unused variables.
2803 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2805 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
2806 (attempt_auto_inc): LIkewise.
2807 (mark_used_reg): Likewise.
2808 (try_pre_increment_1): Likewise.
2809 * regclass.c (regclass): Likewise.
2810 * global.c (allocno_compare): Update comment; change scaling factor.
2811 * local-alloc.c (QTY_CMP_PRI): Likewise.
2812 * regs.h (REG_FREQ_FROM_BB): New.
2813 (REG_FREQ_MAX): Likewise.
2815 2001-07-30 H.J. Lu <hjl@gnu.org>
2817 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
2820 2001-07-30 H.J. Lu (hjl@gnu.org)
2822 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
2823 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2824 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
2826 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
2828 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
2829 as -mthumb-interwork when -mcpu=arm7 is specified.
2831 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2833 * predict.def (noreturn, loop branch, loop exit): Mark as first
2836 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
2838 * combine.c (try_combine): Avoid barrier after noop jumps.
2840 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2842 * cpphash.h (struct cpp_reader): Remove import_warning.
2843 * cpplib.c (skip_rest_of_line): Don't bother turning off
2845 (parse_include): Move include handling to...
2846 (do_include_common): ... here. Move import warning from...
2847 (do_import): ... here.
2848 (do_pragma_poison): Don't do a callback for poison identifiers.
2849 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
2850 * cppmain.c (setup_callbacks): Similarly.
2852 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2854 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
2855 handle multiple sets.
2856 * except.c (sjlj_mark_call_sites): .... here.
2857 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
2859 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2861 Suggested by Richard Henderson and Richard Kenner:
2862 * combine.c (recog_for_combine): Use the fake recog
2863 only if instruction does not match.
2864 * rtl.h (NOOP_MOVE_INSN_CODE): New.
2865 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
2867 * combine.c (try_combine): Discover noop jump as direct jump.
2869 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
2871 * df.c (df_rd_global_compute): Add successors to worklist, not
2873 (df_ru_global_compute): Ditto.
2875 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
2877 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
2878 increment REG_N_SETS.
2880 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
2882 * sbitmap.h: New prototype for sbitmap_a_xor_b.
2884 * sbitmap.c (sbitmap_a_xor_b): New function.
2885 ifdef the basic block stuff on IN_GCC.
2887 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2889 * cppexp.c (parse_defined): Always record the macro name.
2890 (lex): Don't worry about identifiers, or special-case
2892 (_cpp_parse_expr): Figure out at the end of the routine
2893 whether we saw a valid !defined() expression.
2894 * cppfiles.c (stack_include_file): Update for mi_valid.
2895 (_cpp_pop_file_buffer): Similarly.
2896 * cpplex.c (_cpp_lex_token): Similarly.
2897 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
2898 mi_if_not_defined, mi_lexed): Remove.
2900 * cpplib.c (do_if): Simplify.
2901 (do_endif, push_conditional, _cpp_handle_directive): Update
2902 for renaming of mi_state to mi_valid.
2904 * cpp.texi: Add index entries for digraphs, and add comment
2905 that C++ refers to them as alternative tokens.
2907 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2909 * basic-block.h (CLEANUP_PRE_LOOP): New.
2910 * except.c (finish_eh_generation): Update call of cleanup_cfg.
2911 * sibcall.c (optimize_sibling_calls): Likewise.
2912 * toplev.c (rest_of_compilation): Likewise.
2913 * flow.c (try_forward_edges): Take argument MODE;
2914 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
2915 (try_optimize_cfg): Update call of try_forward_edges.
2917 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2918 Jan Hubicka <jh@suse.cz>
2920 * (validate_replace_rtx_1): Fix simplification of MINUS.
2922 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
2924 PR preprocessor/3669
2925 * cppinit.c (init_dependency_output): Turn off dump requests
2926 if sending dependencies to stdout.
2928 2001-07-28 Richard Henderson <rth@redhat.com>
2930 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
2933 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
2935 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
2937 2001-07-28 Kazu Hirata <kazu@hxi.com>
2939 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
2940 is VAR_DECL first to prevent an ICE.
2942 2001-07-28 Richard Henderson <rth@redhat.com>
2944 * varasm.c (immed_real_const_1): Don't elide special cases for
2946 (clear_const_double_mem): Clear const_tiny_rtx too.
2948 2001-07-28 Richard Henderson <rth@redhat.com>
2950 * dwarf2out.c (dw_val_class_offset): New.
2951 (struct dw_ranges_struct, dw_ranges_ref): New.
2952 (ranges_table, ranges_table_allocated): New.
2953 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
2954 (add_AT_offset, add_ranges, output_ranges): New.
2955 (print_die, output_die): Handle dw_val_class_offset.
2956 (attr_checksum, size_of_die, value_format): Likewise.
2957 (gen_lexical_block_die): Handle non-contiguous blocks.
2958 (gen_block_die): Likewise.
2959 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
2960 if needed. Dump the ranges table.
2961 * final.c (final_start_function): Remove unnecessary notes and
2962 rebuild the block tree before numbering the blocks.
2963 * function.c (reorder_blocks_0): Walk the existing block tree
2964 to unmark all blocks.
2965 (reorder_blocks_1): Create block fragments when duplicate block
2967 (reorder_fix_fragments): New.
2968 (reorder_blocks): Call it.
2969 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
2971 2001-07-28 Richard Henderson <rth@redhat.com>
2973 * emit-rtl.c (adjust_address): Make a copy of the memory address.
2975 2001-07-28 Richard Henderson <rth@redhat.com>
2977 * flow.c (add_to_mem_set_list): New function.
2978 (init_propagate_block_info): Use it.
2979 (mark_set_1): Likewise.
2980 (insn_dead_p): Canonicalize memory address for dead store
2981 comparison. Allow wider mode stores to kill narrower mode stores.
2982 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
2983 (invalidate_mems_from_set): Don't handle MEMs.
2985 2001-07-28 Kazu Hirata <kazu@hxi.com>
2987 * config/h8300/h8300.h: Fix formatting.
2989 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2991 * basic-block.h (EDGE_FREQUENCY): New macro.
2992 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
2994 * flow.c (find_sub_basic_blocks): Likewise.
2995 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
2996 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
2998 * predict.c (DEF_PREDICTOR): New argument FLAGS.
2999 (HITRATE): New macro.
3000 (PRED_FLAG_FIRST_MATCH): New constant.
3001 (predictor_info): New field flgags.
3002 (combine_predictions_for_insn): Use DS theory to combine
3003 probabilities; set the edge probabilities when finished.
3004 (estimate_probability): Avoid duplicated matches
3005 of LOOP_BRANCH heuristics for nested loops; update comment.
3006 * predict.def: Add flags for each prediction, set probabilities
3007 according to B&L paper.
3008 * predict.h (DEF_PREDICTOR): New argument FLAGS.
3010 * profile.c (compute_branch_probabilities): Cleanup way the edge
3011 probabilities are computed and REG_BR_PROB notes are dropped; if
3012 values does not match, emit error.
3013 (init_branch_prob): Do error instead of warning when profile driven
3014 feedback is missing or corrupt.
3016 2001-07-27 DJ Delorie <dj@redhat.com>
3018 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
3019 against a constant, try to adjust the compare to have the desired
3020 constant in it so that min/max optimizations happen more often.
3022 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3024 * flow.c (last_loop_beg_note): New function.
3025 (redirect_edge_and_branch): Use it.
3026 (split_edge): Likewise.
3028 * alias.c (loop_p): Avoid uninitialized memory access.
3030 * flow.c (try_forward_edges): Avoid accessing freed memory.
3032 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
3035 2001-07-26 Andrew Haley <aph@redhat.com>
3036 Joern Rennecke <amylaar@redhat.com>
3038 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
3039 (SUBTARGET_CPP_ENDIAN_SPEC): New.
3040 (SUBTARGET_CPP_SPEC): New.
3042 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
3043 (SUBTARGET_CPP_PTR_SPEC): New.
3044 (CPP_DEFAULT_CPU_SPEC): New.
3045 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
3046 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
3047 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
3048 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
3049 (SUBTARGET_CPP_SPEC): Define as an empty string.
3051 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3053 * doc/install.texi (Configuration): Properly link the host
3054 specific instructions also when generating HTML.
3056 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
3058 * flow.c (redirect_edge_and_branch_force): Test
3059 target->global_live_at_start.
3061 2001-07-26 Richard Henderson <rth@redhat.com>
3063 * simplify-rtx.c (avoid_constant_pool_reference): Export.
3064 * rtl.h (avoid_constant_pool_reference): Declare it.
3065 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
3066 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
3068 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3070 * rtl.h (cleanup_barriers): Declare.
3071 * jump.c (cleanup_barriers): New function.
3072 * toplev.c (rest_of_compilation): Call cleanup_barriers
3073 before loop optimizer and after bb_reorder.
3075 * flow.c (back_edge_of_syntactic_loop_p): New.
3076 (split_edge): Use it.
3078 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3080 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
3082 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
3084 * cse.c (cse_process_notes): Replace any registers if the address
3087 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
3089 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
3090 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
3091 (propagate_block): Update prototype.
3092 * flow.c (update_life_info): Simplify the CFG and
3093 recalculate the global regs which are alive when
3094 removing dead code during a global update.
3095 (propagate_block): Return non-zero if an INSN is
3098 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3100 * Makefile.in (LIBICONV): Define.
3102 2001-07-26 Catherine Moore <clm@redhat.com>
3104 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
3105 of conditional to avoid tree checking errors.
3107 2001-07-26 Kazu Hirata <kazu@hxi.com>
3109 * regmove.c (regmove_optimize): Don't replace a reg with
3110 another reg of a different mode.
3112 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
3114 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
3115 limit length of dependancy flush list.
3116 * params.h (MAX_PENDING_LIST_LENGTH): Define.
3117 * sched-int.h (struct deps): Add pending_flush_length field.
3118 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
3119 has 1 element in it.
3120 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
3121 (sched_analyze): After a jump, if the pending memory flush list is too
3122 large, flush the pending lists.
3123 (init_deps): Initialize pending_flush_length to 0.
3124 * doc/invoke.texi (max_pending_list_length): Document parameter.
3126 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
3128 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
3129 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
3130 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
3132 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3134 * cpphash.h (struct_lexer_state): Delete was_skipping.
3135 Move skipping here from struct cpp_reader.
3136 * cpplex.c (parse_identifier): Update.
3137 (_cpp_lex_token): Don't skip tokens in a directive.
3138 * cpplib.c (struct if_stack): Update.
3139 (start_directive, end_directive): Don't change skipping state.
3140 (_cpp_handle_directive): Update.
3141 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
3142 (do_else, do_endif): Update; only check for excess tokens if not
3143 in a skipped conditional block.
3144 (push_conditional): Update for new struct if_stack.
3146 2001-07-26 Graham Stott <grahams@redhat.com>
3148 * function.c (locate_and_pad_parm): Also pad initial offset
3149 so that the total argument size also includes the padding.
3151 2001-07-26 Graham Stott <grahams@redhat.com>
3153 * gensupport.c (alter_output_for_insn): Correct enable checking failure
3154 change XSTR to XTMPL.
3156 (process_one_cond_exec): Likewise
3158 2001-07-25 Richard Henderson <rth@redhat.com>
3160 * varasm.c (assemble_variable): Create DECL_RTL before setting
3163 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
3165 * predict.c (estimate_probability): Avoid duplicated predictions.
3167 * loop.c (find_and_verify_loops): Grok multiple barriers.
3169 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3171 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
3173 * dbxout.c: Consistently use putc instead of fputc.
3174 (print_wide_int): New function; call instead of direct fprintf.
3175 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
3176 (dbxout_type_fields, dbxout_type_method_1): Likewise.
3177 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
3178 (print_int_cst_octal): Likewise.
3179 (print_octal): Show we wrote characters.
3180 (dbxout_type): Set have_used_extensions in more places.
3182 2001-07-25 Catherine Moore <clm@redhat.com>
3184 * config/v850/v850.c (v850_va_arg): Use addr
3185 instead of valist to build incr.
3187 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
3189 * flow.c (delete_dead_jumptables): New function.
3190 (life_analyzis): Call it.
3191 * bb-reorder.c (skip_insns_after_block): Handle contradictory
3194 2001-07-25 Richard Henderson <rth@redhat.com>
3196 * except.c (reachable_handlers): Handle a region being removed
3197 out from under a RESX.
3199 2001-07-25 Richard Henderson <rth@redhat.com>
3201 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
3202 swap GE/GT if it is an fp comparison.
3204 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
3206 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
3209 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
3211 * ssa.c (rename_insn_1): Do not wrap an assignment to a
3212 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
3215 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
3217 (visit_expression): When attempting to simplify an expression,
3218 retrieve any modes for arguments before they are simplified
3221 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
3222 Janis Johnson <janis@us.ibm.com>
3224 * stmt.c (expand_goto): A nonlocal goto can be a call too.
3225 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
3226 pointer parameters to match documented usage of nonlocal_goto.
3227 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
3228 parameters to their correct order.
3229 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
3230 parameters to their correct order.
3232 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
3234 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
3236 2001-07-25 Jan Hubicka <jh@suse.cz>
3237 Richard Henderson <rth@redhat.com>
3239 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
3241 (make_edges): New argument update_p; populate the edge cache if set.
3242 (find_basic_blocks): Update make_edges invocation.
3244 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3246 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
3248 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3250 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
3251 -Acpu and -Amachine.h.
3252 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
3253 Corrected header to say ELF not a.out.
3254 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
3255 when given -msoft-float.
3257 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3259 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
3260 extra multilib parts like arm-elf.
3261 (i960-*-coff*, i960-*-rtems): Should not use collect2.
3262 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
3263 crtfini.o as extra multilib parts.
3265 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3267 * configure.in: Add rtems as a supported thread model.
3268 * gthr-rtems.h: Add missing entry point __gthread_active_p.
3269 * configure: Rebuilt.
3271 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
3273 * stor-layout.c (get_mode_alignment): make it work when
3274 BITS_PER_UNIT is not a power of two.
3275 * builtins.c (get_pointer_alignment): Likewise.
3277 2001-07-24 Richard Henderson <rth@redhat.com>
3279 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
3280 the retrieved constant into the expected mode.
3282 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3284 * flow.c (try_simplify_condjump): Avoid duplicated edges.
3285 (verify_flow_info): Check for duplicated edges; clarify
3288 * flow.c (block_label): Update basic_block_for_insn.
3289 (commit_edge_insertions): Call compute_bb_for_insn.
3291 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
3294 * flow.c (redirect_edge_and_branch,
3295 try_optimize_cfg): Use redirect_edge_succ_nodup
3296 (redirect_edge_succ_nodup): New.
3297 * basic_block.h (redirect_edge_succ_nodup): Declare.
3299 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
3302 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
3304 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
3305 (try_crossjump_to_edge): Update commetns.
3306 (try_crossjump_bb): Likewise.
3308 2001-07-24 Richard Henderson <rth@redhat.com>
3310 * combine.c (distribute_notes): Move set of need_refresh
3311 for noop_move_p down to catch all cases.
3313 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
3315 * recog.c (split_all_insns_noflow): New.
3316 * rtl.h (split_all_insns_noflow): Declare.
3317 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
3318 * m68hc11.c (m68hc11_reorg): Likewise.
3319 * sh.c (machine_dependent_reorg): Likewise.
3320 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
3323 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
3325 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
3326 (ashlsi3_n splitter): Likewise.
3327 (lshrsi3_n splitter): Likewise.
3329 (GOTaddr2picreg): Make const SImode.
3330 (sym_label2reg): Likewise.
3331 (symGOT2reg): Likewise.
3332 (symGOTOFF2reg) Likewise.
3334 (casesi_worker_0): Make unspec SImode.
3336 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
3338 * config/sh/sh.c (barrier_align): Check that an operand really is
3339 an insn before extracting its INSN_CODE.
3341 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
3343 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
3346 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
3347 for SImode to prevent overflow.
3349 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3351 * config/mips/irix6-libc-compat.c: New file.
3352 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
3353 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
3356 2001-07-24 lars brinkhoff <lars@nocrew.org>
3358 * rtl.texi (REG_POINTER): Document.
3359 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
3360 QFmode, HFmode, TQFmode, QCmode, and HCmode.
3362 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3364 * flow.c (delete_noop_moves): Do not confuse libcall regions.
3366 2001-07-23 Richard Henderson <rth@redhat.com>
3368 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
3370 2001-07-23 Kazu Hirata <kazu@hxi.com>
3372 * config/h8300/h8300-protos.h: Add a prototype for
3373 general_operand_dst_push.
3374 * config/h8300/h8300.c (general_operand_dst_push): New.
3375 * config/h8300/h8300.h (OK_FOR_T): New.
3376 (EXTRA_CONSTRAINT): Use it.
3377 * config/h8300/h8300.md (movqi_push): Remove and integrate into
3378 the existing movqi pattern.
3379 (movhi_push): Likewise.
3381 * reload.c: Fix comment typos.
3383 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3385 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
3387 2001-07-23 H.J. Lu (hjl@gnu.org)
3389 * doc/extend.texi: Update __builtin_return_address and
3390 __builtin_frame_address.
3392 2001-07-23 Richard Henderson <rth@redhat.com>
3394 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
3396 * config/i386/i386.md: New setcc+movzbl peephole2.
3398 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3400 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
3401 * objc/objc-act.c: Include debug.h.
3402 (synth_module_prologue): Save and restore debug hooks too.
3404 2001-07-23 lars brinkhoff <lars@nocrew.org>
3406 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
3407 and C4X_FLOAT_FORMAT.
3408 (BOOL_TYPE_SIZE): Document.
3410 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
3412 * unroll.c (loop_iterations): Fix miscalculation of initial
3415 2001-07-13 Andrew Haley <aph@redhat.com>
3417 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
3418 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
3419 * config/sh/sh.c (sh_can_redirect_branch): New function.
3420 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
3421 * reorg.c (steal_delay_list_from_target): Use
3422 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
3424 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3426 * flow.c (try_simplify_condjump): Unlink insn chain on
3427 fallthru edge; use can_fallthru.
3429 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3431 * basic-block.h (find_sub_basic_block): Declare.
3432 * flow.c (make_edges): New arguments MIN and MAX;
3433 (find_sub_basic_blocks): Revamp to use make_edges
3434 and purge_dead_edges.
3435 (find_basic_blocks): Update call of find_sub_basic_block.
3437 * recog.c (split_all_insns): Always expect CFG to be consistent;
3438 call find_sub_basic_blocks in case something has changed.
3439 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
3442 * basic-block.h (delete_noop_moves): Declare.
3443 * combine.c (combine_instructions): Call it.
3444 (recog_for_combine): Tolerate noop moves
3445 (distribute_notes): Force refresh when register dies at noop move.
3446 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
3448 (life_analysis): Update delete_noop_moves call.
3449 (set_noop_p): Move too ...
3450 * rtlanal.c (noop_move_p): ... here.
3451 * rtl.h (noop_move_p): Declare.
3453 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
3454 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
3456 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
3457 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
3459 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
3461 * reload.c (push_reload): Fix typo in comment.
3462 (find_reloads_address): Ditto.
3463 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
3465 2001-07-22 Richard Henderson <rth@redhat.com>
3467 * flow.c: Grammar check and clarify a lot of comments.
3468 (try_simplify_condjump): Rename variables to be clearer.
3469 (try_forward_edges): Skip complex and fallthru edges.
3470 Rearrange tests to avoid duplicate checks.
3471 (flow_find_cross_jump): Likewise.
3472 (outgoing_edges_match): Allow match if neither branch has
3473 probability data. Loosen probability match to 5%.
3474 (try_crossjump_to_edge): Hoist repeated indirection into
3476 (try_crossjump_bb): Don't check complex edges. Eliminate
3477 redundant crossjump tests.
3478 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
3479 checks before more expensive checks.
3481 2001-07-22 Richard Henderson <rth@redhat.com>
3483 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
3484 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
3487 2001-07-22 Richard Henderson <rth@redhat.com>
3489 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
3490 (const_sint32_operand): Likewise.
3491 * m68k.md (anon mulsi pattern): Use const_int_operand not
3492 const_sint32_operand.
3493 (umulsi3_highpart): Zero extend a constant input.
3494 (smulsi3_highpart): Don't bother checking SImode constant.
3495 (const_umulsi3_highpart): Give op3 DImode.
3496 (const_smulsi3_highpart): Likewise.
3498 2001-07-22 Richard Henderson <rth@redhat.com>
3500 * flow.c (split_block): Make sure bb_note is included in the
3501 new block when splitting before a label.
3503 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3505 * basic-block.h (redirect_edge_and_branch_force,
3506 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
3507 * flow.c (redirect_edge_and_branch_force,
3508 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
3509 (redirect_edge_and_branch_force): Fix copying of lifeness information.
3510 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
3511 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
3512 instead of label; update CFG after transformation.
3513 (find_if_case_1): Update call, use redirect_edge_and_branch_force
3514 for finishing the transformation; handle even case where ELSE
3515 does not follow THEN.
3516 (find_if_case_2): Update call of dead_or_predictable; simplify
3519 * emit-rtl.c (split_branch_probability): New global variable.
3520 (try_split): Take care to set split_branch_probability and
3521 create REG_BR_PROB note for new jump insns.
3522 * md.texi (define_split): Document new feature.
3524 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
3526 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
3528 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
3529 (asm_out_file): Remove redundant declaration.
3530 (assemble_asm): Remove old #if 0 block.
3531 (assemble_variable): Remove end of function; debug output is
3532 now handled with global_decl. Remove old #if 0 block. Update.
3533 Remove saved_in_section and associated no-op code.
3534 * Makefile.in (varasm.o): Correct dependencies.
3536 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
3538 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
3539 the definition in defaults.h.
3541 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
3543 * jump.c: Update comments.
3544 (delete_barrier_successors, delete_unreferenced_labels,
3545 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
3546 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
3547 jump_optimize, jump_optimize_minimal): Kill.
3548 (rebuild_jump_labels): Move code from jump_optimize_1.
3549 (purge_line_number_notes): Likewise.
3550 (copy_loop_headers): Likewise.
3551 * reg-stack.c: Update comment.
3553 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
3554 JUMP_AFTER_REGSCAN): Kill.
3555 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
3556 purge_line_number_notes and copy_loop_headers.
3558 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
3559 Richard Henderson <rth@redhat.com>
3561 * dbxout.c (dbxout_global_decl): New.
3562 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
3563 * sdbout.c (sdbout_finish): New.
3564 (sdbout_debug_hooks): Use it, add comments.
3565 (sdbout_global_decl): Defer initialised public vars to
3567 * varasm.c (assemble_variable): Don't output debug information
3568 for file-scope variables.
3570 2001-07-22 Richard Henderson <rth@redhat.com>
3572 * config/alpha/alpha.c (get_trap_mode_suffix): New.
3573 (get_round_mode_suffix): New.
3574 (print_operand): Use them for [/]. Remove support for [&'`()+].
3575 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
3576 * config/alpha/alpha.md (attr round_suffix): New.
3577 (attr trap_suffix): New.
3578 (all insns): Set them appropriately. Use %/ instead of the
3581 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3583 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
3585 2001-07-22 Richard Henderson <rth@redhat.com>
3587 * regrename.c (regrename_optimize): Compute nregs for each
3588 potential target register.
3590 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
3591 Richard Henderson <rth@redhat.com>
3593 * dbxout.c (dbxout_global_decl): New.
3594 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
3595 * sdbout.c (sdbout_finish): New.
3596 (sdbout_debug_hooks): Use it, add comments.
3597 (sdbout_global_decl): Defer initialised public vars to
3599 * varasm.c (assemble_variable): Don't output debug information
3600 for file-scope variables.
3602 2001-07-21 H.J. Lu (hjl@gnu.org)
3604 * config/mips/mips.c (mips_cpu): Moved into ...
3605 (override_options): Here.
3607 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
3609 (mips_cpu): Removed.
3611 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3613 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
3614 ("iorqi3"): Likewise.
3615 ("xorqi3"): Likewise.
3616 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
3617 ("*subhi3_sp): Likewise.
3618 ("*subhi3"): Likewise.
3619 ("extendhisi2"): Accept D, X and Y as source operand to avoid
3622 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
3624 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
3625 * config/freebsd.h: Likewise.
3626 * config/linux.h: Likewise.
3627 * config/openbsd.h: Likewise.
3628 * config/alpha/linux-elf.h: Likewise.
3629 * config/arm/linux-elf.h: Likewise.
3630 * config/d30v/d30v.h: Likewise.
3631 * config/fr30/fr30.h: Likewise.
3632 * config/ia64/aix.h: Likewise.
3633 * config/ia64/ia64.h: Likewise.
3634 * config/mips/linux.h: Likewise.
3635 * config/pj/pj.h: Likewise.
3636 * config/rs6000/linux.h: Likewise.
3637 * config/sparc/linux.h: Likewise.
3638 * config/sparc/linux64.h: Likewise.
3640 2001-07-20 Bruce Korb <bkorb@gnu.org>
3642 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
3643 because getc() and char* may disagree on signedness.
3645 2001-07-20 Richard Henderson <rth@redhat.com>
3647 * doc/rtl.texi (REG_DEAD): Update for current semantics.
3649 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
3650 insns to delete in the presence of cc0 in a jump insn.
3652 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
3653 Jan Hubicka <jh@suse.cz>
3655 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
3656 of doing the change by hand.
3658 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
3660 * rtlanal.c (set_noop_p): Return true for noop jumps.
3662 * expr.c (emit_single_push_insn): Add call to push expander.
3663 * expr.h (optab_index): Add OTI_push
3664 (push_optab): New constant.
3665 * genopinit.c (optabs): Add push_optab.
3666 * optabs.c (init_optab): Init push optab.
3667 * md.texi (push??1): Document
3669 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3671 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
3672 expand to emit the pattern; put a REG_INC note for push/pop
3674 ("movdf", "movdf_internal"): Likewise.
3675 ("movsi", "movsi_internal"): Likewise.
3676 ("movsf", "movsf_internal"): Likewise.
3677 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
3679 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3681 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
3684 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
3686 * params.def: Change default max inline insns to 100.
3688 2001-07-20 Diego Novillo <dnovillo@redhat.com>
3690 * combine.c (combine_simplify_rtx): Generate a new shift operation
3691 when simplifying the first operand of a (neg (ashift)) expression.
3693 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3695 * regclass.c (N_REG_INTS): Use only 32 bits per element.
3697 2001-07-20 Kelley Cook <kelley.cook@home.com>
3699 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
3700 information. Move rest into ...
3701 (*-*-solaris): ... here. Eliminate redundant information and
3702 reword necessary packages section. Delete 4.x assembler bug info.
3703 (sparc-sun-*): Merge into ...
3704 (sparc-sun-sunos*): here.
3706 2001-07-20 Catherine Moore <clm@redhat.com>
3708 * config/v850/v850.md (casesi): Generate LABEL_REF
3711 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3713 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
3714 * i386.c (ix86_zero_extend_to_Pmode): Make global.
3715 * i386.md (strclrsi expander): Use it.
3717 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3719 * integrate.c (copy_insn_list): handle
3720 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
3721 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
3722 identically as to CODE_LABEL.
3724 * fold-const (fold): Convert A/B/C to A/(B*C) and
3727 * except.c (connect_post_landing_pads): Delete the RESX insns.
3729 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
3731 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
3733 * config/mips/mips.md (nmadd/nmsub): Use macro.
3735 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
3737 * cppinit.c (remove_dup_dir): Make static.
3738 (remove_dup_dirs): Make static. Only warn about preempting a
3739 system directory with a non-system directory.
3741 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
3743 * ifcvt.c (noce_try_store_flag_constants): Correct order
3744 of parameters to trunc_int_for_mode.
3746 2001-07-19 Mark Mitchell <mark@codesourcery.com>
3748 * reorg.c (fill_simple_delay_slots): If an instruction might throw
3749 an exception that will be caught within this function, do not fill
3750 its delay slot with any subsequent instruction.
3752 2001-07-19 Steve Ellcey <sje@cup.hp.com>
3754 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
3755 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
3756 pointer extension instruction.
3757 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
3758 * simplify-rtx.c (simplify_unary_operation) Likewise.
3759 * explow.c (convert_memory_address) Check value of
3760 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
3762 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
3763 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
3764 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
3765 Add Multilib Support.
3766 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
3767 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
3768 Add Multilib Support.
3769 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
3771 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
3772 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
3773 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
3775 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
3777 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
3778 old and new operands in `<', `3' and `b'.
3780 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3782 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
3783 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
3784 (toplev.o): Don't depend on xcoffout.h.
3785 * c-decl.c: Include debug.h
3786 (duplicate_decls): Use debug hook.
3787 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
3788 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3789 (dbxout_types): Remove.
3790 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
3791 * debug.c (do_nothing_debug_hooks): Update.
3792 (debug_true_tree, debug_nothing_rtx): New.
3793 * debug.h (struct rtx_def): New.
3794 (struct gcc_debug_hooks): New hooks ignore_block,
3795 outlining_inline_function and label.
3796 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
3797 dwarf2out_frame_finish): New.
3798 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
3799 Make static, update prototype.
3800 (dwarf2_debug_hooks): Update.
3801 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
3802 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
3803 * dwarfout.c (dwarf_debug_hooks): Update.
3804 * emit-rtl.c: Include debug.h.
3805 (remove_unnecessary_notes): Use debug hook.
3806 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
3807 (final_scan_insn): Use debug hook.
3808 * integrate.c (output_inline_function): Use debug hook.
3809 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
3810 (sdb_debug_hooks): Update.
3811 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
3812 * toplev.c: Don't include xcoffout.h.
3813 (note_outlining_of_inline_function, debug_ignore_block): Remove.
3814 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
3816 * tree.h (dwarf2out_do_frame): Remove.
3818 2001-07-19 Catherine Moore <clm@cygnus.com>
3820 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
3822 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
3824 * reload1.c (eliminate_regs_in_insn): When updating a set
3825 to the frame pointer to the hardware frame pointer, perform
3826 the update always not just when REPLACE is set.
3828 * reload1.c (choose_reload_regs): Don't inherit a reload
3829 that crosses multiple registers if registers past the first
3830 don't fit in the desired class.
3832 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
3833 when negating constants.
3835 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
3837 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
3838 * doc/tree.texi: Ditto.
3840 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
3841 Jakub Jelinek <jakub@redhat.com>
3843 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
3844 (extract_cie_info): Handle "eh" augmentation properly,
3846 (struct frame_state, __frame_state_for): New.
3848 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3850 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
3851 HANDLE_SYSV_PRAGMA): Define.
3852 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
3854 (copy_object): Caller changed.
3856 2001-07-19 Andreas Schwab <schwab@suse.de>
3858 * configure.in (assembler dwarf2 debug_line support): Define nop
3860 * configure: Regenerated.
3862 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3864 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
3866 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
3867 to conditionally compiled block.
3868 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3869 * dbxout.h (dbxout_function): Remove.
3870 * debug.c (do_nothing_debug_hooks): Update.
3871 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
3872 global_decl, deferred_inline_function.
3873 * dwarf2out.c (dwarf2_debug_hooks): Update.
3874 (dwarf2out_global_decl): New.
3875 * dwarfout.c: Don't include dwarfout.h.
3876 (dwarfout_global_decl, dwarfout_function_decl,
3877 dwarfout_deferred_inline_function): New.
3878 (dwarf_debug_hooks): Update.
3879 * dwarfout.h: Remove.
3880 * final.c: Don't include dwarfout.h.
3881 * sdbout.c (sdbout_global_decl): New.
3882 (sdbout_debug_hooks): Update.
3883 * toplev.c: Don't include dwarfout.h.
3884 (check_global_declarations, rest_of_compilation): Use new debug hooks.
3885 (note_deferral_of_defined_inline_function): Remove.
3886 * toplev.h (note_deferral_of_defined_inline_function): Remove.
3887 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
3888 * ch/lex.c: Don't include dwarfout.h.
3889 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
3890 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
3891 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
3892 * cp/optimize.c: Include debug.h.
3893 (maybe_clone_body): Use debug hook.
3894 * cp/semantics.c: Include debug.h.
3895 (expand_body): Use debug hook.
3896 * po/POTFILES.in: Remove dwarfout.h.
3898 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3900 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
3901 * c-parse.in (yyerror, _yylex): Similarly.
3902 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
3903 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
3905 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
3906 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
3908 2001-07-18 Jeff Sturm <jsturm@one-point.com>
3910 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
3911 in-class declaration at -g1. Fixes c++/2814.
3913 2001-07-18 Richard Henderson <rth@redhat.com>
3915 * doc/md.texi (reload_in/out): Document restrictions in predicates
3916 and constraints for these patterns. Document empty string matching
3919 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3921 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
3923 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3925 * cse.c: Undo my previous patch.
3927 2001-07-18 Tom Tromey <tromey@redhat.com>
3930 * configure: Rebuilt.
3931 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
3933 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
3935 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
3936 Jan Hubicka <jh@suse.cz>
3938 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
3939 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
3940 * jump.c (mark_jump_label): Do not forward branches.
3942 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
3944 * cse.c (delete_trivially_dead_insns): Delete the libcall block
3945 when return value is unused.
3947 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3949 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
3951 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
3953 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
3954 on error. We can't blindly return the result of
3955 pthread_mutex_trylock because it returns a positive number on
3956 error, while we must return -1 on error.
3957 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
3959 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
3961 2001-07-18 Andreas Jaeger <aj@suse.de>
3963 * integrate.c (output_inline_function): Correct type of debug_hooks.
3965 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
3967 * combine.c (combine_simplify_rtx): DIV can be treated
3968 associatively for floats if unsafe math optimisations are enabled.
3970 2001-07-17 Richard Henderson <rth@redhat.com>
3972 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
3974 2001-07-17 Richard Henderson <rth@redhat.com>
3976 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
3977 don't force the function address into a register.
3978 (expand_call, emit_library_call_value_1): Update callers.
3979 * builtins.c (expand_builtin_apply): Likewise.
3980 * expr.h (prepare_call_address): Update decl.
3982 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
3984 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
3986 * config/i386/chorus.h: Move up.
3987 * config/sparc/chorus.h: Likewise.
3988 * config/rs6000/chorus.h: Likewise.
3989 * config/chorus.h: Moved here.
3991 2001-07-17 Andreas Schwab <schwab@suse.de>
3993 * configure.in (assembler eh_frame optimization): Handle big
3995 * configure: Regenerated.
3997 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
3999 * expr.c (epxand_expr): Convert divisions into multiplications by
4000 reciprocals if -ffast-math.
4002 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
4004 * dbxout.c (dbxout_really_begin_function): Rename to
4005 dbxout_begin_function.
4006 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4007 (dbxout_begin_function): Remove.
4008 (dbxout_function): Update.
4009 (dbxout_source_line): Update prototype.
4010 * dbxout.h (dbxout_begin_function): Remove.
4011 * debug.c (do_nothing_debug_hooks): Update.
4012 (debug_nothing_tree): Update.
4013 (debug_nothing_charstar_rtx): Remove.
4014 * debug.h (union tree_node): Declare.
4015 (struct rtx_def): Remove.
4016 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
4017 begin_function. Change source_line prototype.
4018 (debug_nothing_tree): New.
4019 (debug_nothing_charstar_rtx): Delete.
4020 (dwarf2out_begin_prologue): Moved from ...
4022 * dwarf2out.c (dwarf2_debug_hooks): Update.
4023 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
4024 debug info, call dwarf2out_source_line.
4025 (dwarf2out_souce_line): Update prototype.
4026 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
4027 Change prototype, make static.
4028 (dwarfout_source_line): Update prototype.
4029 (dwarf_debug_hooks): Update.
4030 * dwarfout.h (dwarfout_begin_function): Remove.
4031 * final.c (final_start_function, final_scan_insn): Use appropriate
4032 debug hooks, update to use notice_source_line.
4033 (output_source_line): Rename notice_source_line. Don't call the
4034 source_line debug hook.
4035 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
4036 make static, update prototype.
4037 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
4039 (sdbout_end_prologue): New.
4040 (sdbout_source_line): Update prototype.
4041 (sdbout_debug_hooks): Update.
4042 (sdbout_symbol): Remove unused var.
4043 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
4045 * varasm.c: Include debug.h.
4046 (assemble_start_function): Use begin_function debug_hook.
4047 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
4048 update with prototype.
4049 (xcoffout_source_line): Update prototype.
4050 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
4052 (xcoffout_source_line): Update prototype.
4054 2001-07-17 Richard Henderson <rth@redhat.com>
4056 * c-typeck.c (build_binary_op): Do not shorten unsigned
4057 right shift after sign extension.
4059 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
4061 * combine.c (combine_simplify_rtx): Attempt to simplify
4062 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
4064 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
4065 (simplify_binary_operation, simplify_unary_operation,
4066 simplify_relational_operation): Use it.
4068 * combine.c (combine_simplify_rtx): Don't do associative law
4069 on divisions; allow associative law on floats.
4071 2001-07-17 H.J. Lu <hjl@gnu.org>
4072 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4074 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
4075 ASM_OUTPUT_WEAK_ALIAS are defined.
4076 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
4077 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
4079 * config/mips/iris5.h: ... here.
4080 (HANDLE_SYSV_PRAGMA): Defined as 1.
4081 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
4082 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
4085 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
4087 * c-parse.in (all_prefix_attributes): New variable.
4088 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
4089 (maybe_resetattrs): New production.
4090 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
4091 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
4092 notype_initdcl, nested_function, notype_nested_function,
4093 component_decl, components, components_notype,
4094 component_declarator, component_notype_declarator,
4095 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
4096 ivars, mydecl, myparm): Update. Avoid prefix attributes just
4097 after a comma being applied to more than one declarator.
4098 * doc/extend.texi (Attribute Syntax): Update. Remove
4099 documentation of bugs that are no longer present.
4101 2001-07-13 Eric Christopher <echristo@redhat.com>
4103 * config/mips/mips.h: Change TUNE_MIPS* options to use
4105 (EXTRA_SPECS): Add cc1_cpu_spec.
4106 * config/mips/mips.md (muldf3): Fix typo.
4108 2001-07-16 Richard Henderson <rth@redhat.com>
4110 * config/m68k/m68k.c: Include expr.h and reload.h.
4111 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
4112 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
4114 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
4115 Richard Henderson <rth@redhat.com>
4117 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
4118 (insn_live_p): Fix fall off end of function.
4119 (dead_libcall_p): Remove COUNTS argument; update callers.
4120 (delete_trivially_dead_insns): Remove unused variables.
4122 2001-07-17 Andreas Jaeger <aj@suse.de>
4124 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
4127 * lcm.c (optimize_mode_switching): Avoid warning for unused
4128 variable if !NORMAL_MODE.
4130 * flow.c (try_crossjump_to_edge): Remove unused variable.
4132 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
4134 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
4135 atexit declaration in stdlib.h.
4137 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
4139 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
4141 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4143 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
4144 * except.c (finish_eh_generation): Update call of cleanup_cfg;
4145 do rebuild_jump_labels instead of jump_optimize
4146 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
4147 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
4148 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
4150 * flow.c: Include timevar.h
4151 (find_basic_block): Push/pop timevar;
4152 (cleanup_cfg): Likewise.
4153 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
4154 * Makefile: Add dependencies on timevar.h
4156 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
4157 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
4159 * rtl.h (delete_trivially_dead_insns): Add new parameter.
4160 * toplev.c (rest_of_compilation): Update calls.
4161 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
4162 (delete_trivially_dead_insns): ... here; accept new argument
4163 preserve_basic_blocks; preserve basic blocks if set.
4165 * reg-stack.c (stack_regs_mentioned): Return 0 if
4166 stack_regs_mentioned_data is not initialized.
4167 (reg_to_stack): Make stack_regs_mentioned survive after the
4168 reg-stack is completted; do not call cleanup_cfg.
4169 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
4170 make cleanup_cfg after bb-reorder to output to debug file.
4172 2001-07-16 Richard Henderson <rth@redhat.com>
4174 * regclass.c (init_reg_sets): Use only 32 bits per initializer
4175 from int_reg_class_contents.
4177 2001-07-16 Richard Henderson <rth@redhat.com>
4179 * hard-reg-set.h (regs_invalidated_by_call): Declare.
4180 * regclass.c (regs_invalidated_by_call): Move from cse.c.
4181 (init_reg_sets_1): Move initialization from cse_main.
4182 * cse.c (regs_invalidated_by_call): Move to regclass.c.
4183 (cse_main): Move its initialization also.
4184 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
4185 * flow.c (propagate_one_insn): Likewise.
4186 * gcse.c (compute_hash_table): Likewise.
4187 (compute_kill_rd, compute_store_table): Likewise.
4188 * sched-deps.c (sched_analyze_1): Likewise.
4190 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
4192 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
4195 2001-07-16 Steve Ellcey <sje@cup.hp.com>
4197 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
4198 in if statement so we don't access undefined memory.
4200 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
4202 * gcse.c: Update comment at top.
4203 Update comment on mem handling.
4204 mem_last_set, mem_first_set, mem_set_in_block: gone.
4205 Declaration of reg_set_info: gone.
4206 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
4207 pointless with load_killed_in_block_p (they are *more*
4208 conservative then it, not less, and less accurate).
4209 (oprs_not_set_p): Ditto.
4210 (alloc_gcse_mem): Don't allocate mem_set_in_block
4211 (free_gcse_mem): Don't free it, either.
4212 (record_last_mem_set_info): Update comment in front, remove
4213 mem_*set_* stuff. Note the reason we don't handle stores directly
4215 (compute_hash_table): Update comments to reflect reality. Remove
4216 mem_*set_* references.
4217 (reset_opr_set_tables): Remove mem_*set_* references.
4219 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
4220 (mark_clobber): Ditto (on both parts, we double set here too).
4221 (expr_killed_p): Remove mem_set_in_block test.
4222 (compute_transp): Remove mem_set_in_block test.
4224 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
4225 of edge, and removal of phi alternative to dump file.
4226 (ssa_ccp_substitute_constants): Add note about register now being
4227 constant, and which uses were replaced in what insns to dump file.
4229 2001-07-16 Andreas Jaeger <aj@suse.de>
4231 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
4232 variables of type HOST_WIDEST_INT.
4234 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
4235 (__bb_exit_func): Correct type of count_max to avoid overflow.
4236 (num_digits): Handle long long argument.
4238 * combine.c (gen_lowpart_for_combine): Remove unused variable.
4240 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4242 * output.h (sdb_begin_function_line): Restore as an extern
4244 * sdbout.c (sdb_begin_function_line): Make extern.
4246 2001-07-15 Richard Henderson <rth@redhat.com>
4248 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
4249 * genrecog.c (maybe_both_true_mode): New.
4250 (maybe_both_true_2): Use it.
4251 (write_switch): Don't put Pmode in a switch.
4252 * rtl.c (mode arrays): Don't explicitly size them.
4254 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4256 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
4257 handling; move unconditional splitting before mode switching.
4259 * i386.md (type): Add fistp type.
4260 (i387, length_attr, scheduling definitions): Handle this type.
4261 (fix_trunc?f?i2): Revamp to use mode switching.
4262 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
4263 * i386.h (fp_cw_mode): New enum
4264 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
4265 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
4267 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4269 * Makefile.in (integrate.o): Add debug.h.
4270 * integrate.c (debug.h): Add.
4271 (output_inline_function): Save, reset, and restore debug_hooks.
4273 2001-07-15 Richard Henderson <rth@redhat.com>
4275 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
4276 instead of COMPARE for the EQUIV expression.
4278 2001-07-15 Richard Henderson <rth@redhat.com>
4280 * flow.c (redirect_edge_and_branch_force): Initialize
4281 global_live_at_start and global_live_at_end.
4282 (allocate_bb_life_data): Export.
4283 * basic-block.h (allocate_bb_life_data): Declare.
4284 * toplev.c (rest_of_compilation): Call it.
4286 2001-07-15 Richard Henderson <rth@redhat.com>
4288 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
4289 (alpha_tablejump_best_label): New.
4290 * config/alpha/alpha-protos.h: Declare them.
4291 * config/alpha/alpha.md: Use braced strings for code blocks.
4292 (tablejump_osf): Break out add with r29.
4293 (tablejump_osf_internal): Remove.
4294 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
4295 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
4297 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4299 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
4302 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
4304 * i386-protos.h (ix86_split_fp_branch): Update prototype.
4305 (ix86_fp_jump_nontrivial_p): New.
4306 * i386.md (fp_jcc_?): Update call of split_fp_branch;
4307 use ix86_fp_jump_nontrivial_p.
4308 * i386.c (ix86_fp_jump_nontrivial_p): New.
4309 (ix86_split_fp_branch): Accept code instead of rtx.
4310 (ix86_expand_compare): Expand comparison early in case
4311 doing so is resonably cheap.
4313 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
4315 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
4317 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
4318 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
4320 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
4322 * dbxout.c (dbxout_source_line): Make static, update prototype.
4323 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
4324 (dbxout_init, dbxout_finish, dbxout_source_line,
4325 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
4326 * dbxout.h (dbxout_source_line): Delete.
4327 * debug.c (debug_nothing_file, debug_nothing_file_int,
4328 debug_nothing_file_charstar_rtx): New.
4329 (do_nothing_debug_hooks): Update.
4330 (debug_nothing_void, debug_nothing_charstar_rtx,
4331 dwarf2out_end_epilogue): New.
4332 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
4333 * debug.h (struct rtx_def): Declare.
4334 (gcc_debug_hooks): New hooks source_line, end_epilogue
4336 (debug_nothing_void, debug_nothing_charstar_rtx,
4337 dwarf2out_end_epilogue): New.
4338 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
4339 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
4340 (dwarf2_debug_hooks): Update.
4341 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
4342 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
4343 * dwarf2out.h (dwarf2out_source_line): Remove.
4344 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
4345 Make static, update prototype.
4346 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
4347 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
4348 (dwarf_debug_hooks): Update.
4349 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
4350 dwarfout_end_function): Remove.
4351 * final.c (profile_function): Use debug hooks for ending functions
4353 (output_source_line, final_end_function): Update prototype,
4355 (final_start_function, final_scan_insn): Update.
4356 * output.h (sdb_begin_function_line): Remove.
4357 (final_end_function): Update prototype.
4358 * sdbout.c (sdb_begin_function_line): Make static.
4359 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
4360 (sdbout_source_line): New.
4361 (sdbout_end_epilogue, sdbout_end_function): Make static, update
4363 (sdb_debug_hooks): Update.
4364 (sdbout_init, sdbout_source_line,
4365 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
4366 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
4367 * toplev.c (compile_file, rest_of_compilation): Update.
4368 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
4369 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
4370 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
4371 Update for prototype changes.
4372 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
4373 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
4375 2001-07-15 Richard Henderson <rth@redhat.com>
4377 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
4378 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
4379 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
4380 * config/alpha/alpha.c: Likewise.
4381 * config/alpha/alpha.md: Likewise.
4382 * config/alpha/alpha32.h: Likewise.
4383 * config/alpha/vms.h: Likewise.
4386 2001-07-14 Richard Henderson <rth@redhat.com>
4388 * config/alpha/alpha.md: Use define_constants for unspec values.
4389 Substitute throughout.
4391 2001-07-14 Tim Josling <tej@melbpc.org.au>
4393 * tree.def (EXPON_EXPR) remove. Never supported anyway.
4395 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
4397 * pa.md: Remove unused constraints from define_split's.
4399 2001-04-14 Richard Henderson <rth@redhat.com>
4401 * ifcvt.c (find_cond_trap): Test for exit block.
4403 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
4405 Re-install recently reverted patch.
4406 * emit-rtl.c (try_split): Update mark_jump_label call.
4407 * flow.c (find_sub_basic_blocks): Likewise.
4408 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
4410 (mark_all_labels): Kill second parameter.
4411 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
4412 (rebuild_jump_labels, jump_optimize_minimal): Update call
4414 (jump_optimize_1): Kill crossjumping code.
4415 (mark_jump_label): Kill cross_jump parameter.
4416 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
4417 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
4418 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
4420 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
4422 (dump_file_info): Likewise.
4423 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
4424 reorganize passes to do reg-stack first, bb-reorder second.
4425 * invoke.texi (-d letters doc): Remove the jump2 pass.
4427 2001-07-14 Richard Henderson <rth@redhat.com>
4429 * ifcvt.c (find_cond_trap): New.
4430 (find_if_header): Call it.
4431 (merge_if_block): Relax existing jump sanity check.
4432 * jump.c (jump_optimize_1): Remove conditional trap handling.
4434 2001-07-14 Alan Modra <amodra@bigpond.net.au>
4436 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
4438 (insn_refs_are_delayed): Correct comment.
4439 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
4440 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
4441 instead of r31. Make associated insn !TARGET_64BIT, and
4442 provide an additional 64-bit insn that clobbers r2.
4444 (udivsi3): Likewise.
4446 (umodsi3): Likewise.
4448 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
4450 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
4452 * flow.c (redirect_edge_and_branch_force, split_edge,
4453 try_crossjump_to_edge): Use set_block_for_new_insns.
4454 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
4456 2001-07-13 H.J. Lu (hjl@gnu.org)
4458 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
4461 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
4463 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
4465 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
4467 * c-common.c (decl_attributes): Take a pointer to the node to
4468 which attributes are to be attached, and a flags argument.
4469 * c-common.h (enum attribute_flags): New.
4470 (decl_attributes): Update prototype.
4471 * c-decl.c (start_decl, push_parm_decl, finish_struct,
4472 finish_enum, start_function): Update calls to decl_attributes.
4473 * c-parse.in (component_declarator, component_notype_declarator,
4474 label): Update calls to decl_attributes.
4476 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
4478 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
4479 * config/avr/avr.c (legitimate_address_p): Return value changed
4480 from letter to register classes. For better debugging.
4482 2001-07-13 Kazu Hirata <kazu@hxi.com>
4484 * jump.c (reversed_comparison_code_parts): Fix comment typos.
4486 2001-07-13 H.J. Lu (hjl@gnu.org)
4488 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
4490 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
4492 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
4493 correctly for shared configurations.
4494 * config/t-libgcc-pic: New.
4495 * config/{i386,m68k,sparc}/t-openbsd: New.
4496 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
4497 Support -shared. Support debugging libraries with -g.
4498 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
4499 frame information does not emit pointer diffs.
4500 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
4503 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
4505 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
4507 2001-07-13 David Edelsohn <edelsohn@gnu.org>
4509 * combine.c (try_combine): Ensure const_int pow2 is positive.
4511 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
4513 * config.gcc: Add configuration for s/390.
4514 * config/s390/s390.c: New. Subroutines for code generation.
4515 * config/s390/s390.h: New. Definitions for s/390.
4516 * config/s390/s390-protos.h: New. Prototypes.
4517 * config/s390/linux.h: New. Definitions for linux for s/390.
4518 * config/s390/linux64.h: New. Definitions for linux for zSeries.
4519 * config/s390/t-linux: New. Makefile fragment.
4520 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
4521 * config/s390/fixdfdi.h: New. Fix L_fix*di.
4523 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4525 * emit-rtl.c (try_split): Update mark_jump_label call.
4526 * flow.c (find_sub_basic_blocks): Likewise.
4527 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
4529 (mark_all_labels): Kill second parameter.
4530 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
4531 (rebuild_jump_labels, jump_optimize_minimal): Update call
4533 (jump_optimize_1): Kill crossjumping code.
4534 (mark_jump_label): Kill cross_jump parameter.
4535 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
4536 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
4537 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
4539 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
4541 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
4542 reorganize passes to do reg-stack first, bb-reorder second.
4543 * invoke.texi (-d letters doc): Remove the jump2 pass.
4545 2001-07-12 Steve Ellcey <sje@cup.hp.com>
4547 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
4549 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4551 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
4553 (verify_flow_info): Make diagnostics prettier.
4555 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4557 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
4559 * flow.c (outgoing_edges_match): Return early if condition reversal
4562 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
4564 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
4565 (mips_move_2words): When splitting a move into two instructions,
4566 prefix the second address operand with '%D'.
4568 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
4570 * Makefile.in (final.o): Depend on debug.h.
4571 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
4572 (dbx_debug_hooks): Add new hooks.
4573 (xcoff_debug_hooks): New.
4574 * debug.c (debug_nothing_file_int_int): New.
4575 (do_nothing_debug_hooks): Update.
4576 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
4577 (debug_nothing_file_int_int): New.
4578 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
4579 static, update prototype.
4580 (dwarf2_debug_hooks): Update.
4581 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
4582 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
4583 static, update prototype.
4584 (dwarf_debug_hooks): Update.
4585 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
4586 * final.c: Include debug.h.
4587 (final_scan_insn): Use debug hooks when beginning and ending blocks.
4588 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
4589 static, update prototype.
4590 (sdb_debug_hooks): Update.
4591 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
4592 * toplev.c: Distinguish between xcoff and dbx.
4594 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
4595 Call all debug hooks, not just dwarf ones.
4597 2001-07-11 Timothy Wall <twall@redhat.com>
4599 * config.gcc: Add configuration for AIX5/IA64.
4600 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
4601 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
4602 support prefix/suffix code.
4603 * config/ia64/t-aix: New. Makefile fragment.
4604 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
4606 2001-07-11 Kazu Hirata <kazu@hxi.com>
4608 * recog.c (validate_change): Fix a comment typo.
4610 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
4612 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
4613 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
4615 * dbxout.c (dbx_debug_hooks): Add new hooks.
4616 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
4618 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
4620 * dbxout.h (dbxout_start_new_source_file,
4621 dbxout_resume_previous_source_file): Delete.
4622 * debug.c (do_nothing_debug_hooks): Add new hooks.
4623 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
4624 (debug_nothing_int_charstar, debug_nothing_int): New.
4625 * debug.h (gcc_debug_hooks): New hooks define, undef,
4626 start_source_file and end_source_file.
4627 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
4628 (debug_nothing_int_charstar, debug_nothing_int): New.
4629 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
4630 the conditionally compiled section.
4631 (dwarf2out_start_source_file, dwarf2out_end_source_file,
4632 dwarf2out_define, dwarf2out_undef): Make static.
4633 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
4634 dwarf2out_define, dwarf2out_undef): Remove.
4635 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
4636 (dwarfout_start_source_file, dwarfout_end_source_file,
4637 dwarfout_define, dwarfout_undef): Make static.
4638 (dwarfout_start_source_file_check,
4639 dwarfout_end_source_file_check): New.
4640 (dwarfout_define, dwarfout_finish): Update.
4641 * dwarfout.h (dwarfout_start_new_source_file,
4642 dwarfout_resume_previous_source_file, dwarfout_define,
4643 dwarfout_undef): Remove.
4644 * sdbout.c (sdb_debug_hooks): Add new hooks.
4645 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
4647 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
4648 make static, take an arg.
4649 * sdbout.h (sdbout_start_new_source_file,
4650 sdbout_resume_previous_source_file): Delete.
4651 * toplev.c (debug_start_source_file, debug_end_source_file,
4652 debug_define, debug_undef): Delete.
4653 * toplev.h (debug_start_source_file, debug_end_source_file,
4654 debug_define, debug_undef): Delete.
4656 * java/jcf-parse.c: Include debug.h.
4657 (parse_class_file): Update to use debug hooks directly.
4658 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
4660 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4662 * alias.c (set_mem_alias_set): New function.
4663 * rtl.h (set_mem_alias_set): Declare it.
4664 * builtins.c (expand_builtin_return_addr): Call it instead of
4665 using MEM_ALIAS_SET accessor.
4666 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
4667 (get_memory_rtx, expand_builtin_va_arg): Likewise.
4668 (expand_builtin_va_copy):Likewise.
4669 * caller-save.c (setup_save_areas): Likewise.
4670 * calls.c (compute_argument_addresses): Likewise.
4671 * explow.c (set_mem_attributes): Likewise.
4672 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
4673 (expand_assignment, store_constructor_field, store_field): Likewise.
4674 (expand_expr_unaligned): Likewise.
4675 * function.c (assign_stack_temp_for_type): Likewise.
4676 (put_reg_into_stack, gen_mem_addressof): Likewise.
4677 * ifcvt.c (noce_try_cmove_arith): Likewise.
4678 * reload1.c (reload, alter_reg): Likewise.
4679 * config/alpha/alpha.c (get_aligned_mem): Likewise.
4680 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
4681 (alpha_expand_unaligned_store): Likewise
4682 (alpha_expand_unaligned_load_words): Likewise.
4683 (alpha_expand_unaligned_store_words): Likewise.
4684 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
4685 (alpha_expand_epilogue): Likewise.
4686 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
4687 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
4688 * config/i386/i386.c (legitimize_pic_address): Likewise.
4689 * config/i960/i960.c (setup_incoming_varargs): Likewise.
4690 * config/ia64/ia64.c (spill_restore_mem): Likewise.
4691 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
4692 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
4693 * config/mips/mips.c (mips_va_arg): Likewise.
4694 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
4695 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
4696 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
4697 (setup_incoming_varargs, rs6000_va_arg): Likewise.
4698 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
4699 (rs6000_emit_epilogue): Likewise.
4700 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
4701 * config/sparc/sparc.c (sparc_va_arg): Likewise.
4702 * config/v850/v850.c (v850_va_arg): Likewise.
4704 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
4706 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
4707 when fallthru edge is present.
4708 (mege_blocks): Handle case where creation of jump insn
4711 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
4712 CLEANUP_POST_REGSTACK): New constants.
4713 * except.c (finish_eh_generation): Update call of cleanup_cfg,
4714 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
4715 * output.h (cleanup_cfg): Update prototype.
4716 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
4717 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
4718 cleanup_cfg call; kill missleading comment.
4719 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
4720 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
4721 parameter; control optimizations performed using it.
4722 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
4723 try_crossjump_bb): New functions.
4725 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
4727 * pa.c (pa_output_function_prologue): Delete prototype. Make function
4729 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
4730 pa_output_function_prologue.
4731 * pa-protos.h (pa_output_function_prologue): New prototype.
4733 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
4735 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
4736 and low to get correct sign extension in low+high test.
4738 2001-07-11 Janis Johnson <janis@us.ibm.com>
4740 * gcov.c (arcdata): Use gcov_type to fix branch percentage
4741 for large hit count.
4743 * profile.c (branch_prob): Fix .bbg info for computed gotos
4746 2001-07-11 Mark Mitchell <mark@codesourcery.com>
4748 * stmt.c (parse_output_constraint): New function, split out
4750 (expand_asm_operands): ... here. Use parse_output_constraint.
4751 * tree.h (parse_output_constraint): Declare it.
4753 2001-07-11 Richard Henderson <rth@redhat.com>
4755 * bitmap.c: Comment some functions; fiddle whitespace.
4756 (bitmap_free): Don't export.
4757 (bitmap_element_allocate): Use memset.
4758 * bitmap.h (bitmap_free): Don't declare.
4760 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
4762 * gcse.c, lcm.c, sched-deps.c:
4763 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
4765 * flow.c (flow_loops_find): Free dom if we found no loops, since
4766 we aren't going to save it.
4768 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
4771 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
4773 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
4775 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4777 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
4778 #ifndef DWARF2_DEBUGGING_INFO.
4780 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4782 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
4784 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4786 * config/mips/mips.c (gen_int_relational): Tell the caller not to
4787 reverse a branch if a NE comparison is implemented with GTU.
4789 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4790 H.J. Lu <hjl@gnu.org>
4792 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
4794 (call_internal2): Likewise.
4795 (call_value_internal1): Likewise.
4796 (call_value_internal2): Likewise.
4797 (call_value_multiple_internal1): Likewise.
4798 (call_value_multiple_internal2): Likewise.
4800 2001-07-10 Kazu Hirata <kazu@hxi.com>
4802 * calls.c (emit_library_call_value_1): Fix a comment typo.
4803 * dwarf2out.c (mem_loc_descriptor): Likewise.
4804 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
4806 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
4808 * simplify-rtx.c (simplify_subreg): Fix typo in comment
4810 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4812 * recog.c (offsettable_address_p): Handle LO_SUM case.
4813 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
4814 instead of plus_constant.
4816 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4818 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
4819 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
4821 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4823 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
4824 adjust_address_nv instead of plus_constant.
4826 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
4828 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
4829 dwarf2out.o): Depend on debug.h, wrap long lines.
4830 * dbxout.c: Include debug.h.
4831 (dbx_debug_hooks): New.
4832 (dbxout_init): Make static, take just 2 args.
4833 (dbxout_finish): Make static.
4834 * dbxout.h (dbxout_init, dbxout_finish): Delete.
4835 * debug.c: New file.
4836 * debug.h: New file.
4837 * dwarf2out.c: Include debug.h.
4838 (dwarf2_debug_hooks): New.
4839 (dwarf2out_init): Make static.
4840 (dwarf2out_finish): Make static, take 2 args.
4841 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
4842 * dwarfout.c: Include debug.h.
4843 (dwarf_debug_hooks): New.
4844 (dwarfout_init): Make static.
4845 (dwarfout_finish): Make static, take 2 args.
4846 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
4847 * sdbout.c: Include debug.h.
4848 (sdb_debug_hooks): New.
4849 (sdbout_init): Make static, take 2 args.
4850 * sdbout.h (sdbout_init): Delete.
4851 * toplev.c: Include debug.h.
4853 (compile_file): Set deubg_hooks based on command line options.
4854 Use the hooks unconditionally rather than conditional compilation.
4856 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
4858 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
4859 first_insn_after_basic_block_note instead.
4861 * df.c (df_bb_refs_unlink): #if 0 out for now.
4863 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
4865 * ssa.h: Add prototype for ssa_const_prop
4866 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
4867 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
4868 (ssa_fast_dce): Remove unused variable
4870 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4872 * diagnostic.c (finish_diagnostic): Rename to
4873 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
4876 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
4878 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
4881 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
4882 (dump_file): Only pad the demangled name with spaces if the
4883 mangled name was padded with spaces.
4885 2001-07-10 Bernd Schmidt <bernds@redhat.com>
4887 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
4890 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4892 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
4893 extraction if no direct load if either EXPAND_CONST_ADDRESS or
4896 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
4897 whether can put offset inside LO_SUM to check mode alignment, not size.
4899 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4901 * doc/tm.texi (Misc): Fix thinko.
4903 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
4905 * regmove.c (replace_in_call_usage): Fix warnings.
4906 * sched-deps.c (add_dependence): Fix warnings.
4907 * simplify-rtx.c (simplify_subreg): Likewise.
4908 Return NULL_RTX instead of NULL.
4910 * reg-stack.c (emit_swap_insn): Eliminate warnings.
4911 (subst_asm_stack_regs): Likewise.
4913 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
4916 * dwarf2out.c (output_call_frame_info): Declare i as int.
4917 (build_abbrev_table): Declare n_alloc as int.
4918 (dwarf2out_finish): Initialize die.
4919 * except.c: Declare sjlj_funcdef_number as unsigned.
4920 (connect_post_landing_pads): Declare j as unsigned.
4921 (convert_to_eh_region_ranges): Initialize call_site.
4922 (output_function_exception_table): Initialize tt_format_size.
4923 * expr.c (move_by_pieces_1): Initialize to1.
4924 (store_constructor): Initialize minelt and maxelt.
4925 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
4926 * function.c (instantiate_decls): Avoid signed/unsigned warning.
4928 * c-decl.c (combine_parm_decls): Unused, remove.
4929 * c-tree.h: Remove prototype for combine_parm_decls.
4931 * reload.c (push_reload): Fix warning.
4932 (regno_clobbered_p): Likewise.
4933 * reload1.c (replace_pseudos_in_call_usage): Likewise.
4934 (reload_combine): Likewise.
4936 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
4937 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
4939 * bitmap.c (bitmap_operation): Change user.
4940 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
4942 2001-07-10 Eric Christopher <echristo@redhat.com>
4944 * config/mips/mips.c (override_options): Fix typo.
4946 2001-07-09 Stan Shebs <shebs@apple.com>
4948 * target.h (struct gcc_target): New fields init_builtins and
4950 * target-def.h (TARGET_INIT_BUILTINS): New macro.
4951 (TARGET_EXPAND_BUILTIN): New macro.
4952 (TARGET_INITIALIZER): Add them.
4953 * builtins.c: Include target.h.
4954 (expand_builtin): Use targetm.expand_builtin.
4955 (default_init_builtins): New function.
4956 (default_expand_builtin): New function.
4957 * expr.h (default_init_builtins): Declare.
4958 (default_expand_builtin): Declare.
4959 * c-common.c (c_common_nodes_and_builtins): Use
4960 targetm.init_builtins.
4961 * defaults.h (MD_INIT_BUILTINS): Remove.
4962 * Makefile.in (builtins.o): Depend on target.h.
4964 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
4965 (TARGET_EXPAND_BUILTIN): Define.
4966 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
4967 (MD_EXPAND_BUILTIN): Remove.
4969 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
4970 (TARGET_EXPAND_BUILTIN): Define.
4971 (c4x_init_builtins): Make endlink arg a local.
4972 (c4x_print_operand): Fix typos in adjust_address usages.
4973 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
4974 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
4975 (MD_EXPAND_BUILTIN): Remove.
4977 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
4978 (TARGET_EXPAND_BUILTIN): Define.
4979 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
4980 (ix86_init_builtins): Call new function only if TARGET_MMX.
4981 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
4982 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
4983 (MD_EXPAND_BUILTIN): Remove.
4985 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
4986 (TARGET_EXPAND_BUILTIN): Define.
4987 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
4988 (MD_EXPAND_BUILTIN): Remove.
4990 * doc/tm.texi: Document these changes.
4992 2001-07-09 Diego Novillo <dnovillo@redhat.com>
4994 * basic-block.h (tree_node): Forward declare if needed.
4995 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
4996 (BLOCK_HEAD_TREE): Define.
4997 (BLOCK_END_TREE): Define.
4998 (struct loops): Rename field 'tree' to 'tree_root'.
4999 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
5001 (flow_loops_tree_build): Rename reference to field 'tree' to
5003 (flow_loops_level_compute): Ditto.
5004 * predict.c (estimate_bb_frequencies): Ditto.
5005 * tree.h (struct tree_common): Add field 'aux'.
5007 2001-07-09 Stan Shebs <shebs@apple.com>
5009 * config/darwin.c (darwin_encode_section_info): Don't mark any
5010 DECL_EXTERNAL node as defined.
5012 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5014 * pa.c (pa_init_machine_status, pa_mark_machine_status,
5015 pa_free_machine_status, hppa_init_pic_save): Delete.
5016 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
5017 (hppa_profile_hook): Use hppa_pic_save_rtx.
5018 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
5019 hppa_init_pic_save): Delete.
5020 (hppa_pic_save_rtx): Declare.
5021 * pa.md (call, call_value, sibcall, sibcall_value,
5022 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
5024 2001-07-09 Kazu Hirata <kazu@hxi.com>
5026 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
5027 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
5029 2001-07-09 Andreas Jaeger <aj@suse.de>
5031 * output.h: Add declaration of final_forward_branch_p.
5033 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
5035 * varray.c: Include errors.h for internal_error and trim_filename
5038 * Makefile.in (varray.o): Add errors.h.
5040 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
5042 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
5043 * optabs.c (have_add2_insn): Check whether the add insn chosen
5044 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
5045 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
5047 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
5049 * Makefile.in (OBJS): Add ssa-ccp.o
5050 (ssa-ccp.o): Add dependencies.
5051 * toplev.c (DFI_ssa_ccp): New dump file enum.
5052 (dump_file): Add entry for dumping after SSA CCP.
5053 (flag_ssa_ccp): New flag variable.
5054 (f_options): Add -fssa-ccp.
5055 (rest_of_compilation): Run SSA CCP if requested.
5056 * timevar.def (TV_SSA_CCP): New timevar.
5057 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
5058 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
5059 Fix minor typo in SSA DCE documentation.
5060 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
5061 Add documentation for new dump option. Renumber dump files
5064 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5066 * emit-rtl.c (gen_highpart_mode): New.
5067 * rtl.h (gen_highpart_mode): Declare.
5068 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
5069 operand can be VOIDmode constant.
5071 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5073 * flow.c (redirect_edge_and_branch_force): New.
5074 (can_fallthru): Ensure that basic blocks are succeeding.
5075 (try_optimize_cfg): Do not delete basic block if it is the last one.
5077 * flow.c (try_redirect_by_replacing_jump): Do not remove
5078 jumps with side effects, unlink chain on fallthru edge;
5079 set block for new jump instruction; avoid basic block to
5080 over by line number note.
5082 * flow.c (try_simplify_condjump): Verify that the condjump
5083 is not always falling trought.
5086 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5088 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5089 (try_redirect_by_replacing_jump): Update properly the count
5090 and frequency information.
5092 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5094 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
5095 address that is a LO_SUM specially.
5096 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
5098 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
5100 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
5101 (operand_subword): Use them.
5102 (change_address_1): Renamed from change_address; new arg VALIDATE.
5103 * expr.h: Reflect above changes; change_address now macro.
5104 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
5106 * cselib.c (add_mem_for_addr): Likewise.
5107 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5108 * regmove.c (try_apply_stack_adjustment): Likewise.
5109 * reload.c (push_reload, make_memloc): Likewise.
5110 * reload1.c (eliminate_regs): Likewise.
5111 * simplify-rtx.c (simplify_replace_rtx): Likewise.
5112 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
5114 * combine.c (make_extraction, simplify_shift_const): Likewise.
5115 (gen_lowpart_for_combine): Likewise.
5116 * cse.c (gen_lowpart_if_possible): Likewise.
5117 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5118 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
5119 * optabs.c (gen_move_insn): Likewise.
5120 * reload1.c (alter_reg): Likewise.
5121 * simplify-rtx.c (simplify_subreg): Likewise.
5122 * stmt.c (expand_anon_union_decl): Likewise.
5123 * recog.c (validate_replace_rtx_1): Likewise.
5125 * Makefile.in (recog.o): Add $(EXPR_H).
5126 * explow.c (stabilize): Call replace_equiv_address.
5127 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
5128 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
5130 2001-07-03 Andrew Haley <aph@redhat.com>
5132 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
5133 the mode of the memory location.
5135 2001-07-09 Bo Thorsen <bo@suse.co.uk>
5137 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
5139 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
5141 * final.c (output_addr_const): Use target opening and
5142 closing parentheses.
5143 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
5144 defaults, add to TARGET_ASM_OUT.
5145 * target.h (struct gcc_target): Add open_paren and close_paren.
5146 * doc/md.texi: Update.
5147 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
5148 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
5149 TARGET_ASM_CLOSE_PAREN.
5150 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
5152 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
5154 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
5155 * config/a29k/a29k.h: Similarly.
5156 * config/alpha/alpha.h: Similarly.
5157 * config/arc/arc.h: Similarly.
5158 * config/arm/aof.h: Similarly.
5159 * config/arm/aout.h: Similarly.
5160 * config/avr/avr.h: Similarly.
5161 * config/c4x/c4x.h: Similarly.
5162 * config/clipper/clipper.h: Similarly.
5163 * config/convex/convex.h: Similarly.
5164 * config/d30v/d30v.h: Similarly.
5165 * config/dsp16xx/dsp16xx.h: Similarly.
5166 * config/elxsi/elxsi.h: Similarly.
5167 * config/fr30/fr30.h: Similarly.
5168 * config/h8300/h8300.h: Similarly.
5169 * config/i370/i370.h: Similarly.
5170 * config/i386/i386.h: Similarly.
5171 * config/i860/i860.h: Similarly.
5172 * config/i960/i960.h: Similarly.
5173 * config/ia64/ia64.h: Similarly.
5174 * config/m32r/m32r.h: Similarly.
5175 * config/m68hc11/m68hc11.h: Similarly.
5176 * config/m68k/m68k.h: Similarly.
5177 * config/m88k/m88k.h: Similarly.
5178 * config/mcore/mcore.h: Similarly.
5179 * config/mips/mips.h: Similarly.
5180 * config/mn10200/mn10200.h: Similarly.
5181 * config/mn10300/mn10300.h: Similarly.
5182 * config/ns32k/ns32k.h: Similarly.
5183 * config/pa/pa.h: Similarly.
5184 * config/pdp11/pdp11.h: Similarly.
5185 * config/pj/pj.h: Similarly.
5186 * config/romp/romp.h: Similarly.
5187 * config/rs6000/rs6000.h: Similarly.
5188 * config/sh/sh.h: Similarly.
5189 * config/sparc/sparc.h: Similarly.
5190 * config/v850/v850.h: Similarly.
5191 * config/vax/vax.h: Similarly.
5192 * config/we32k/we32k.h: Similarly.
5194 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
5196 * doc/c-tree.texi: Document representation of attributes.
5198 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
5200 * doc/tm.texi: Update some places for the rename of target to
5203 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
5205 * target.h (struct gcc_target): Add insert_attributes.
5206 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
5207 (TARGET_INITIALIZER): Update.
5208 * tree.c, tree.h (default_insert_attributes): New function.
5209 Update comments on other default functions to refer to targetm,
5211 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
5212 TARGET_INSERT_ATTRIBUTES.
5213 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
5214 * c-common.c (decl_attributes): Use targetm.insert_attributes.
5215 Don't use PRAGMA_INSERT_ATTRIBUTES.
5216 * Makefile.in (c-common.o): Depend on $(TARGET_H).
5217 * c-decl.c (start_decl, start_function): Don't call
5218 SET_DEFAULT_DECL_ATTRIBUTES.
5219 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
5220 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
5222 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
5223 (c4x_check_attribute): Avoid modifying attribute list itself.
5224 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
5226 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
5227 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
5229 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
5230 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
5232 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
5233 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
5235 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
5236 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
5237 Adjust parameters. Make static.
5239 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
5241 * c-common.c (decl_attributes): Only take a single attributes
5243 * c-common.h (decl_attributes): Update prototype.
5244 * c-decl.c (start_decl, start_function): Only take a single
5245 attributes parameter. Update calls to decl_attributes.
5246 (finish_struct, finish_enum): Update calls to decl_attributes.
5247 (push_parm_decl): Expect unified list of attributes. Update call
5249 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
5250 notype_nested_function, component_declarator,
5251 component_notype_declarator, label): Update calls to
5253 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
5254 lists that are passed to push_parm_decl.
5255 * c-tree.h (start_function, start_decl): Update prototypes.
5256 * config/sh/sh-protos.h, config/sh/sh.c
5257 (sh_pragma_insert_attributes): Only take a single attributes
5259 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
5260 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
5261 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
5262 build_module_descriptor, generate_static_references,
5263 generate_strings, build_selector_translation_table,
5264 generate_descriptor_table, generate_protocols,
5265 generate_ivars_list, generate_dispatch_table,
5266 generate_protocol_list, generate_category,
5267 generate_shared_structures, really_start_method, add_objc_decls,
5268 generate_classref_translation_entry): Update calls to start_decl
5270 (build_tmp_function_decl, start_method_def): Unify attribute lists
5271 that are passed to push_parm_decl.
5273 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
5275 * final.c (no_asm_to_stream): New.
5276 (final_scan_insn): Use target structures for prologue ends
5277 and epilogue starts.
5278 * output.h (no_asm_to_stream): New.
5279 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
5280 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
5281 (TARGET_ASM_OUT): Update.
5282 * target.h (struct gcc_target): New members function_end_prologue
5283 and function_begin_epilogue.
5284 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
5285 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
5286 * config/alpha/alpha.c (output_end_prologue): Rename to
5287 alpha_output_function_end_prologue. Use in target struct
5289 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
5290 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
5291 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
5292 ia64_output_function_end_prologue. Use in target struct
5294 (ia64_function_prologue, ia64_funciton_epilogue): Rename
5295 mistyped prototypes.
5296 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
5297 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
5299 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
5300 an use in target struct, make static.
5301 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
5304 2001-07-08 Richard Henderson <rth@redhat.com>
5306 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
5308 2001-07-08 Richard Henderson <rth@redhat.com>
5310 * config/i386/i386.md: Remove constraints strings from define_split
5311 and define_peephole2 patterns.
5312 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
5313 (eh_return): Use them.
5315 2001-07-08 Richard Henderson <rth@redhat.com>
5317 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
5318 Document MD_FALLBACK_FRAME_STATE_FOR.
5320 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5322 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
5323 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
5325 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
5327 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
5329 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
5330 of the label inside NAME as opposed to just the end of NAME.
5332 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
5334 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
5335 * config/alpha/alpha.c (alpha_init_machine_status,
5336 alpha_mark_machine_status, alpha_free_machine_status): Delete.
5337 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
5338 (vms_valid_decl_attribute_p): Make static, conditionally compile.
5339 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
5341 2001-07-06 Stan Shebs <shebs@apple.com>
5343 * target.h (targetm): Rename global from "target", so as not to
5344 conflict with local variables.
5346 * c-typeck.c: Ditto.
5350 * cp/decl2.c: Ditto.
5351 * cp/typeck.c: Ditto.
5352 * 1750a/1750a.c: Ditto.
5353 * a29k/a29k.c: Ditto.
5357 * clipper/clipper.c: Ditto.
5358 * convex/convex.c: Ditto.
5359 * d30v/d30v.c: Ditto.
5360 * dsp16xx/dsp16xx.c: Ditto.
5361 * elxsi/elxsi.c: Ditto.
5362 * fr30/fr30.c: Ditto.
5363 * h8300/h8300.c: Ditto.
5364 * i370/i370.c: Ditto.
5365 * i386/i386.c: Ditto.
5366 * i860/i860.c: Ditto.
5367 * i960/i960.c: Ditto.
5368 * ia64/ia64.c: Ditto.
5369 * m32r/m32r.c: Ditto.
5370 * m68hc11/m68hc11.c: Ditto.
5371 * m68k/m68k.c: Ditto.
5372 * m88k/m88k.c: Ditto.
5373 * mips/mips.c: Ditto.
5374 * ns32k/ns32k.c: Ditto.
5376 * pdp11/pdp11.c: Ditto.
5377 * romp/romp.c: Ditto.
5378 * rs6000/rs6000.c: Ditto.
5380 * sparc/sparc.c: Ditto.
5382 * we32k/we32k.c: Ditto.
5383 * doc/tm.texi: Update the manual to match.
5385 2001-07-06 Richard Henderson <rth@redhat.com>
5387 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
5388 DWARF2_UNWIND_INFO not just whether it is defined.
5390 2001-07-06 Diego Novillo <dnovillo@redhat.com>
5392 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
5393 call to simplify_binary_operation returns a new pattern.
5395 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
5397 * glimits.h (__SHRT_MAX__): New.
5398 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
5399 (SHRT_MAX): Define in terms of __SHRT_MAX__.
5401 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
5403 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
5406 2001-07-06 Richard Henderson <rth@redhat.com>
5408 * bitmap.c (bitmap_release_memory): Move adjacent to the
5409 allocation functions.
5410 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
5411 the implementation. Binary search for the set bit.
5412 (bitmap_union_of_diff): Allocate the temporary on the stack
5413 instead of using xmalloc.
5415 2001-07-06 Richard Henderson <rth@redhat.com>
5417 * genrecog.c (validate_pattern): Warn for constraints in
5418 define_{expand,split,peephole2}. Remove strict_low_part
5419 before looking up match_dup.
5421 2001-07-06 DJ Delorie <dj@redhat.com>
5423 * doc/gcc.texi (Makefile): Rename to be a more general purpose
5424 chapter about various build hints and history. Add section
5425 talking about the various types of native and cross builds.
5427 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
5429 * Makefile.in (final.o): Depend on target.h.
5430 * final.c: Include target.h.
5431 (default_function_pro_epilogue): New.
5432 (final_start_function): Use target structure for function prologues.
5433 (final_end_function): Use target structure for function epilogues.
5434 * fold-const.c (real_hex_to_f): Constify s and p.
5435 * output.h (default_function_pro_epilogue): New.
5436 * real.h (real_hex_to_f): Update prototype.
5437 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
5438 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
5439 (TARGET_INITIALIZER): Update.
5440 * target.h (gcc_target): Add struct asm_out.
5441 * doc/tm.texi: Update.
5444 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
5445 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
5446 in cpu/cpu.c, or rename old functions consistently. Take
5447 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
5448 redundant macros and prototypes. Make new functions static.
5450 * 1750a/1750a.c: Similarly.
5451 * 1750a/1750a.h: Similarly.
5452 * a29k/a29k-protos.h: Similarly.
5453 * a29k/a29k.c: Similarly.
5454 * a29k/a29k.h: Similarly.
5455 * arc/arc-protos.h: Similarly.
5456 * arc/arc.c: Similarly.
5457 * arc/arc.h: Similarly.
5458 * arm/arm-protos.h: Similarly.
5459 * arm/arm.c: Similarly.
5460 * arm/arm.h: Similarly.
5461 * avr/avr-protos.h: Similarly.
5462 * avr/avr.c: Similarly.
5463 * avr/avr.h: Similarly.
5464 * clipper/clipper-protos.h: Similarly.
5465 * clipper/clipper.c: Similarly.
5466 * clipper/clipper.h: Similarly.
5467 * convex/convex.c: Similarly.
5468 * convex/convex.h: Similarly.
5469 * d30v/d30v-protos.h: Similarly.
5470 * d30v/d30v.c: Similarly.
5471 * d30v/d30v.h: Similarly.
5472 * d30v/d30v.md: Similarly.
5473 * dsp16xx/dsp16xx-protos.h: Similarly.
5474 * dsp16xx/dsp16xx.c: Similarly.
5475 * dsp16xx/dsp16xx.h: Similarly.
5476 * elxsi/elxsi.c: Similarly.
5477 * elxsi/elxsi.h: Similarly.
5478 * fr30/fr30.c: Similarly.
5479 * fr30/fr30.md: Similarly.
5480 * h8300/h8300-protos.h: Similarly.
5481 * h8300/h8300.c: Similarly.
5482 * h8300/h8300.h: Similarly.
5483 * i370/i370-protos.h: Similarly.
5484 * i370/i370.c: Similarly.
5485 * i370/i370.h: Similarly.
5486 * i386/i386.c: Similarly.
5487 * i386/osf1elf.h: Similarly.
5488 * i386/osfrose.h: Similarly.
5489 * i860/i860-protos.h: Similarly.
5490 * i860/i860.c: Similarly.
5491 * i860/i860.h: Similarly.
5492 * i960/i960-protos.h: Similarly.
5493 * i960/i960.c: Similarly.
5494 * i960/i960.h: Similarly.
5495 * ia64/ia64-protos.h: Similarly.
5496 * ia64/ia64.c: Similarly.
5497 * ia64/ia64.h: Similarly.
5498 * m32r/m32r-protos.h: Similarly.
5499 * m32r/m32r.c: Similarly.
5500 * m32r/m32r.h: Similarly.
5501 * m68hc11/m68hc11-protos.h: Similarly.
5502 * m68hc11/m68hc11.c: Similarly.
5503 * m68hc11/m68hc11.h: Similarly.
5504 * m68k/crds.h: Similarly.
5505 * m68k/dpx2.h: Similarly.
5506 * m68k/m68k-protos.h: Similarly.
5507 * m68k/m68k.c: Similarly.
5508 * m68k/m68k.h: Similarly.
5509 * m68k/news.h: Similarly.
5510 * m88k/m88k-protos.h: Similarly.
5511 * m88k/m88k.c: Similarly.
5512 * m88k/m88k.h: Similarly.
5513 * mips/mips-protos.h: Similarly.
5514 * mips/mips.c: Similarly.
5515 * mips/mips.h: Similarly.
5516 * ns32k/merlin.h: Similarly.
5517 * ns32k/ns32k.c: Similarly.
5518 * ns32k/ns32k.h: Similarly.
5519 * ns32k/tek6000.h: Similarly.
5520 * pa/pa-protos.h: Similarly.
5521 * pa/pa.c: Similarly.
5522 * pa/pa.h: Similarly.
5523 * pdp11/2bsd.h: Similarly.
5524 * pdp11/pdp11-protos.h: Similarly.
5525 * pdp11/pdp11.c: Similarly.
5526 * pdp11/pdp11.h: Similarly.
5527 * romp/romp-protos.h: Similarly.
5528 * romp/romp.c: Similarly.
5529 * romp/romp.h: Similarly.
5530 * rs6000/rs6000-protos.h: Similarly.
5531 * rs6000/rs6000.c: Similarly.
5532 * rs6000/rs6000.h: Similarly.
5533 * rs6000/sysv4.h: Similarly.
5534 * sh/sh-protos.h: Similarly.
5535 * sh/sh.c: Similarly.
5536 * sh/sh.h: Similarly.
5537 * sparc/sparc-protos.h: Similarly.
5538 * sparc/sparc.c: Similarly.
5539 * sparc/sparc.h: Similarly.
5540 * vax/vax.c: Similarly.
5541 * vax/vax.h: Similarly.
5542 * vax/vms.h: Similarly.
5543 * we32k/we32k.c: Similarly.
5544 * we32k/we32k.h: Similarly.
5546 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
5548 * basic-block.h (first_insn_after_basic_block_note): Declare.
5549 * flow.c (first_insn_after_basic_block_note): Define. Moved
5551 * ssa.c (first_insn_after_basic_block_note): Remove.
5552 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
5554 (ssa_eliminate_dead_code): Properly update the CFG and PHI
5555 nodes when we find a dead conditional branch. Insert BARRIERs
5556 after any blocks with no successors, but which do not have
5559 2001-07-06 Zack Weinberg <zackw@stanford.edu>
5561 * varray.c (varray_check_failed): Use internal_error.
5563 2001-07-05 Andrew Haley <aph@redhat.com>
5565 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
5566 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
5567 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
5569 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
5571 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
5572 reference if the target constant is also a SYMBOL_REF.
5574 2001-07-05 Eric Christopher <echristo@redhat.com>
5576 * config/mips/mips.h (MASK_MIPS3900): Remove.
5577 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
5578 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
5579 (TARGET_MIPS3900): Change to use mips_arch.
5580 (TARGET_MIPS4000): New.
5581 (TARGET_MIPS4100): New.
5582 (TARGET_MIPS4300): New.
5583 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
5584 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
5586 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
5587 (ISA_HAS_BRANCHLIKELY): To here.
5588 (CC1_CPU_SPEC): New.
5589 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
5590 (mips_arch_string): Declare.
5591 (mips_arch): Declare.
5592 (TARGET_OPTIONS): Add -march and -mtune.
5594 * config/mips/mips.c (mips_arch_string): New.
5596 (override_options): Handle -march for codegen and -mtune
5597 for scheduling. Use mips_arch. Move tx39 target default here.
5598 (mips_parse_cpu): Move error message to override_options.
5600 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
5602 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
5604 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
5605 (MIPS Options): Ditto. Change mcpu entry to historical text.
5607 2001-07-05 H.J. Lu (hjl@gnu.org)
5609 * config/mips/mips.c (mips_parse_cpu): New function to parse
5612 2001-07-05 Jim Wilson <wilson@redhat.com>
5614 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
5615 * config/ia64/t-ia64: Likewise.
5616 (LIB1ASMFUNCS): Update comment.
5618 2001-07-05 David Edelsohn <edelsohn@gnu.org>
5620 * doc/install.texi (Install GCC: Binaries): Fix typo.
5622 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5624 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
5625 reference using the stack pointer, adjust it since we push Y
5627 ("*ashrsi3"): Likewise.
5628 ("*lshrsi3"): Likewise.
5630 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5632 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
5633 when -fomit-frame-pointer is used.
5635 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
5637 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
5638 (try_redirect_by_replacing_jump): Reverse updating properly the
5639 count and frequency information. Reverse removing cc0 setter.
5640 (forwarder_block_p): Reverse fixing for fallthru blocks.
5642 2001-07-05 DJ Delorie <dj@redhat.com>
5644 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
5645 (translate_options): If the above is defined, use it to map
5646 given options to new options.
5647 * doc/tm.texi: Document it.
5649 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
5650 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5652 * doc/invoke.texi (Optimize Options): Document that -fgcse may
5653 cause programs using computed gotos to run more slowly.
5655 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5657 * doc/install.texi (Specific): Markup, spelling and typo fixes.
5659 Consistently require binutils 2.11.2, not prereleases.
5660 (Specific, decstation-*): Canonicalize as mips-dec-*.
5661 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
5663 (Specific, m68k-altos): Removed reference to README.altos, deleted.
5664 (Specific, mips-*): Reword MIPS C compiler requirements.
5665 (Specific, powerpc*-*-*): New, mention --with-cpu once.
5666 (Specific, sunv5): Removed, obsolete.
5668 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
5670 * dwarf2out.c (output_loc_list): Use an all ones mask for
5671 .text asm output and don't rely on long long
5672 literals. Reformat some long lines.
5674 2001-07-05 Andreas Jaeger <aj@suse.de>
5676 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
5679 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5681 * dwarf2out.c (dwarf2out_define): Update comment.
5682 (dwarf2out_undef): Ditto.
5683 (dwarf2out_start_source_file): Ditto.
5684 (dwarf2out_end_source_file): Ditto.
5685 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
5686 since we never call the start/end debug hook for the primary file.
5688 2001-07-04 Kazu Hirata <kazu@hxi.com>
5690 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
5693 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
5695 * cppinit.c (remove_dup_dirs): Inform if a system include
5696 directory is being reordered.
5697 * doc/invoke.texi (Directory Options): GCC warns if you hide a
5699 * doc/cpp.texi (Search Paths): Likewise.
5700 * doc/gcc.texi (Interoperation): Remove information about
5703 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
5705 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
5706 (VARRAY_TOP_CHAR_PTR): Likewise.
5708 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5710 * gcc.c (process_command): Don't assign elements of a const char*.
5712 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5714 * emit-rtl.c (change_address): Don't abort if invalid address while
5715 reload is in progress.
5717 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5719 * c-lex.c (cb_file_change): Pass line number to
5720 debug_start_source_file.
5721 (cb_undefine): Pass correct line number to debug_undef.
5723 * toplev.c (debug_start_source_file): Add line number to
5724 parameters. Pass it along to dwarf2out_start_source_file.
5725 (decode_g_option): Stop resetting debug level back to normal when
5726 we change debug formats, unless the current level is
5727 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
5730 * toplev.h (debug_start_source_file): Add line number to
5733 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
5736 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
5738 Output debug_macinfo data for starting file if requested.
5739 (dwarf2out_end_source_file): Output debug_macinfo data for ending
5741 (dwarf2out_define): Output debug_macinfo data for defining a macro
5743 (dwarf2out_undef): Output debug_macinfo data for undefining a
5745 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
5746 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
5747 (macinfo_section_label): New. DWARF2 macro info section label.
5748 (dwarf2out_init): If we want macro info, output the start label
5750 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
5751 attribute to the compilation unit die pointing to the macro info.
5753 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5755 * dwarf2out.c (new_loc_list): Move to inside #ifdef
5756 DWARF2_DEBUGGING_INFO.
5757 (add_loc_descr_to_loc_list): Ditto.
5758 (output_loc_list): Ditto.
5759 Also, fix thinko in curr not being initialized.
5760 (gen_internal_sym): Ditto.
5762 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5764 * emit-rtl.c (replace_equiv_address): New function.
5765 * expr.h (replace_equiv_address): New declaration.
5766 * explow.c (validize_mem): Call it instead of change_address and
5767 also call if -fforce-addr and address is constant.
5768 * expr.c: Replace more calls to change_address with adjust_address
5769 and/or replace_equiv_address or to validize_mem.
5770 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
5771 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
5772 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5773 * config/i370/i370.md, config/i860/i860.md: Likewise.
5774 * config/i960/i960.md, config/mips/mips.c: Likewise.
5775 * config/mips/mips.md, config/pa/pa.md: Likewise.
5776 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
5777 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
5779 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5781 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
5783 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
5786 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
5788 * doc/include: New directory.
5789 * doc/fdl.texi: Move to doc/include/fdl.texi.
5790 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
5791 * doc/include/funding.texi, doc/include/gpl.texi: New files.
5792 * doc/gcc.texi: Use funding.texi and gpl.texi.
5793 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
5794 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
5795 Update dependencies and use -I $(docdir)/include.
5797 2001-07-04 Anthony Green <green@redhat.com>
5799 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
5801 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5803 * doc/install.texi (sparc64-*-*): Remove garbage.
5805 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
5807 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
5808 Fix typo in last change to use adjust_address.
5810 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5812 * doc/install.texi (Specific): Update information for *-*-solaris*.
5814 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5816 * explow.c (plus_constant_wide): Reinitialize Y for restart.
5818 2001-07-03 Stan Shebs <shebs@apple.com>
5820 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
5821 case for flag_no_mach_text_sections.
5822 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
5823 * config/darwin.c (flag_no_mach_text_sections): Remove.
5824 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
5826 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5828 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
5829 and avoid checking for constant as first operand.
5830 * recog.c (find_constant_term_loc): No longer static.
5831 (adj_offettable_operand): Delete.
5832 * rtl.h (adj_offsettable_operand): Delete declaration.
5833 (find_constant_term): Add declaration.
5834 * caller-save.c: Replace calls to adj_offsettable_operand with calls
5836 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
5837 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
5838 * config/i386/i386.c, config/i386/i386.md: Likewise.
5839 * config/i860/i860.c, config/i960/i960.c: Likewise.
5840 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
5841 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
5842 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
5843 * config/mips/mips.c, config/mips/mips.md: Likewise.
5844 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
5845 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
5846 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
5847 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
5848 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
5849 * config/ns32k/ns32k.md: Likewise.
5851 2001-07-03 Zack Weinberg <zackw@stanford.edu>
5853 * rtl.c (copy_rtx): Handle 'T' format letter.
5854 * gensupport.c (collect_insn_data): Likewise.
5855 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
5857 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
5859 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
5860 -B option. Use 'dir' not 'foo' as example directory name.
5862 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5864 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5865 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
5867 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5869 * doc/cppinternals.texi: Improve formatting and logical markup.
5871 2001-07-03 Andreas Jaeger <aj@suse.de>
5873 * Makefile.in (insn-recog.o): Add dependency on reload.h.
5875 * genrecog.c (write_header): Include reload.h for prototypes in
5878 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
5881 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
5882 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5883 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
5884 i386_pe_valid_type_attribute_p): Add.
5885 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
5886 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
5888 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5890 * explow.c (plus_constant_wide, case LO_SUM): New case.
5891 (plus_constant_for_output_wide): Delete.
5892 * rtl.h (plus_constant_for_output): Delete.
5893 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
5894 instead of plus_constant_for_output.
5895 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
5896 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
5897 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
5898 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
5899 * config/sparc/sparc.md: Likewise.
5900 Convert some change_address calls to adjust_address.
5902 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5904 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
5905 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
5906 documentation of -std and -Wwrite-strings.
5908 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5910 * cse.c (canon_hash): Don't register registers in very small
5911 register classes, as extending their lifetime might cause
5914 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5916 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5918 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5919 (try_redirect_by_replacing_jump): Update properly the count
5920 and frequency information.
5922 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
5924 * toplev.c (dump_file_index): Move SSA dumps just after first
5926 (dump_file): Corresponding changes.
5927 (rest_of_compilation): Move SSA path to just after the first
5929 * doc/gcc.texi (Passes): Update due to movement of SSA path.
5930 * doc/invoke.texi: Update dump file #s as they were completely
5931 out of date with reality.
5933 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5935 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
5937 * expr.c (emit_move_insn_1): Deal with non-default
5940 * expr.c (emit_single_push_insn): Fix warning.
5942 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5944 * expr.c (emit_move_insn_1): Avoid modifying
5945 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
5947 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5949 * emit-rtl.c (adjust_address): New function.
5950 * expr.h (adjust_address): Add declaration.
5951 * builtins.c: Replace some calls to change_address with calls to it
5953 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
5954 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
5955 * config/arm/arm.c, config/convex/convex.c: Likewise.
5956 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5957 * config/i386/i386.c, config/i386/i386.md: Likewise.
5958 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
5959 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
5960 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
5961 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
5962 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
5964 2001-07-02 Jim Wilson <wilson@redhat.com>
5966 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
5968 2001-07-02 Steve Ellcey <sje@cup.hp.com>
5970 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
5971 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
5973 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5975 * cppinit.c (lang_defaults): New table.
5976 (set_lang): Just read from lang_defaults into the live options
5979 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5981 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
5982 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
5983 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
5985 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5987 * doc/install.texi: Various spelling and markup fixes.
5988 (Installing GCC): Component specific installation instructions are
5991 Warn about removing old install dir in the presence of shared libs.
5992 (Configuration): Invoke with options target to match configure
5994 Consistently refer to gas, gld pathnames.
5995 Invert --enable-multilib documentation.
5996 Remove references to old compiler versions.
5998 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6000 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
6002 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6004 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
6006 (Specific, mips*-sgi-irix5): Note IDO download.
6007 Reworded MIPS C hints.
6008 Use GNU as instead of GAS.
6010 Removed SGI Freeware reference, IRIX 6 only.
6011 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
6012 Note N64 library requirement/workaround.
6014 Complete list of structure passing bug victims.
6016 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6018 * doc/install.texi: Remove CVS Id.
6020 2001-07-02 Andreas Jaeger <aj@suse.de>
6022 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
6023 (find_inherently_necessary): Remove unused variable.
6025 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
6027 * c-common.h (TDI_inlined): New ast dump phase.
6028 (dump_flag_name): New function.
6029 * c-dump.c (dump_files): Add inlined phase.
6030 (dump_flag_name): Define.
6031 * doc/invoke.texi (-fdump-ast-inlined): Document.
6033 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6035 * stor-layout.c (layout_decl): Revert change to handling of alignment
6038 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6040 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
6043 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
6045 * doc/tm.texi (FUNCTION_ARG): Document that the last call
6048 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
6050 * tlink.c (recompile_files): Remove COMPILER_PATH and
6051 LIBRARY_PATH from the environment.
6053 2001-07-01 Zack Weinberg <zackw@stanford.edu>
6055 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
6056 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
6058 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
6060 * c-parse.in (OBJC_STRING): Kill.
6061 (objc_string): Decompose to [objc_string] '@' STRING.
6062 (reswords): Take the leading '@' off all the Objective C keywords.
6063 (objc_rid_sans_at): Kill.
6064 (init_reswords): Don't initialize it.
6065 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
6066 (_yylex): Kill reconsider label. Look ahead one token after
6067 an '@'; if we get an identifier, check whether it's an
6068 Objective C @-keyword. If so, return the keyword. Otherwise,
6069 put back the token and return the '@' as a terminal.
6071 * cpplib.c (lex_macro_node): Remove unnecessary check for
6072 leading '@' on identifier. Clarify control flow and commentary.
6074 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6076 * cse.c (new_label_ref): Variable deleted.
6077 (insert): Remove set of new_label_ref.
6078 (check_for_label_ref): New function.
6079 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
6081 See ChangeLog.5 for earlier changes.