1 2001-08-08 Graham Stott <grahams@redhat.com>
3 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
6 2001-08-08 Graham Stott <grahams@redhat.com>
8 * combine.c (combine_simplify_rtx): Update comment and
11 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
13 * cppinit.c (cpp_finish): Pop the final buffer without comment.
14 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
15 take care to avoid multiple no-newline at EOF warnings in that
18 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
20 * calls.c (expand_call): Do not emit INSN_SETJMP note.
21 (emit_library_call_value_1): Likewise.
22 (emit_call_1): Emit REG_SETJMP note.
23 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
25 * cselib.c (cselib_process_insn): Likewise.
26 * flow.c (propagate_block): Likewise.
27 * loop.c (find_and_verify_loops): Likewise.
28 * reload.c (find_equiv_regs): Likewise.
29 * reload1.c (reload): Likewise.
30 * resource.c (mark_referenced_resources,
31 mark_set_resources): Likewise.
32 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
33 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
34 * haifa-sched.c (unlink_other_notes): Likewise.
35 (reemit_notes): Likewise.
36 * sched-ebb.c (sched_ebb): Likewise.
37 * sched-rgc.c (sched_region): Likewise.
38 * rtl.c (note_insn_name): Likewise.
39 (reg_note_name): Add REG_SETJMP
40 * rtl.h (reg_note): Add REG_SETJMP.
41 (insn_note): Remove NOTE_INSN_SETJMP.
43 * profile.c (branch_prob): Add fake edges for setjmp.
45 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
47 * config.gcc: Quote target_cpu_default2 correctly for
50 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
52 * cpplib.h, line-map.h: Update comments.
53 * cppmain.c (printer_init): Move inline.
54 (maybe_print_line, print_line): Take a map pointer.
55 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
56 (cb_file_change): Don't use prior value of print.map.
58 2001-08-07 David Edelsohn <edelsohn@gnu.org>
60 * doc/install.texi: Document fine-grained multilib configuration.
62 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
64 * rtlanal.c (find_first_parameter_load): Call note_stores
65 only on the instructions.
67 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
69 * alias.c (nonlocal_mentioned_p):
70 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
71 * calls.c (emit_call_1): Likewise.
72 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
73 * cselib.c (cselib_process_insn): Likewise.
74 * df.c (df_insns_modify): Likewise.
75 * flow.c (need_fake_edge_p): Likewise.
76 (propagate_one_insn): Likewise.
77 * haifa-sched.c (reemit_notes): Likewise.
78 * integrate.c (copy_insn_list): Likewise.
79 * jump.c (delete_prior_computation): Likewise.
80 * local-alloc.c (validate_equiv_mem): Likewise.
81 * loop.c (scan_loop): Likewise.
82 * predict.c (estimate_probability): Likewise.
83 * reload.c (reload): Likewise.
84 * sched-deps (sched_analyze): Likewise.
85 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
86 * gcse.c (compute_hash_table): Likewise.
87 (mark_call): Likewise.
88 (store_killed_in_insn): Likewise.
90 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
92 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
94 2001-08-06 Richard Henderson <rth@redhat.com>
96 * varasm.c (assemble_gc_entry): Remove.
99 2001-08-06 Richard Henderson <rth@redhat.com>
101 * varasm.c (assemble_constructor): Take a symbol_ref and a
102 priority instead of a bare string. Move priority handling
103 here from cp/decl2.c.
104 * output.h: Update decls.
106 * c-decl.c (c_expand_body): Update calls to assemble_constructor
107 and assemble_destructor.
108 * profile.c (output_func_start_profiler): Likewise.
109 * objc/objc-act.c (finish_objc): Likewise.
110 (build_module_descriptor): Return the symbol not the symbol name.
112 2001-08-06 David Edelsohn <edelsohn@gnu.org>
114 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
115 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
116 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
117 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
118 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
119 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
121 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
123 * cpperror.c (print_containing_files): Moved to line-map.c.
124 (print_location): line-map.c handles re-listing or otherwise.
125 * cpphash.h (struct lexer_state): Remove next_bol.
126 (struct cpp_buffer): Remove include_stack_listed.
127 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
128 Remove faked buffer handling.
129 (_cpp_do_file_change): Tweak.
130 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
131 * cppmain.c (struct printer): Remove filename.
132 (print_line, cb_file_change): Update accordingly.
133 * line-map.c: Include intl.h.
134 (init_line_maps): Initialize last_listed.
135 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
136 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
137 (print_containing_files): New.
138 * line-map.h (struct line_maps): New member last_listed.
139 (print_containing_files, INCLUDED_FROM): New.
140 * Makefile.in: Update.
141 * po/POTFILES.in: Add line-map.c.
143 2001-08-06 Richard Henderson <rth@redhat.com>
145 * except.c (convert_from_eh_region_ranges_1): Never mark
146 USE or CLOBBER insns as throwing.
148 * expr.c (store_constructor): Don't clobber memory targets.
150 2001-08-06 Andreas Jaeger <aj@suse.de>
152 * profile.c (branch_prob): Remove unused variable insn.
154 * Makefile.in (local-alloc.o): Add dependency on except.h.
156 * local-alloc.c: Include except.h for can_throw_internal prototype.
158 2001-08-06 Richard Henderson <rth@redhat.com>
160 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
161 * function.c (expand_main_function): Implement it.
162 * doc/tm.texi: Document it.
164 2001-08-06 Stan Shebs <shebs@apple.com>
166 * doc/install.texi: Document powerpc-*-darwin* details.
168 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
170 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
171 (ASM_CPU_SPEC): Move back to rs6000.h
172 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
174 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
176 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
179 * config/rs6000/linux64.h: Ditto.
181 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
182 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
185 Remove accidently readded definitions of FUNCTION_PROLOGUE,
186 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
188 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
191 2001-08-05 Richard Henderson <rth@redhat.com>
193 * local-alloc.c (update_equiv_regs): Do not move insns that
196 2001-08-05 Jan Hubicka <jh@suse.cz>
198 * Makefile.in (reload1.o): Add dedendancy on except.h
199 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
201 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
202 indicating wehther edges has been cleaned up.
203 * reload1.c: Inlucde except.h
204 (fixup_abnormal_edges): Accept deleted insns.
205 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
208 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
210 * cpplib.c (do_line): Correct line number after pop_buffer.
212 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
215 * line-map.c: Update comments.
216 * line-map.h: Update comments.
217 * tradcif.y: Don't consider large numbers unsigned.
219 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
222 * c-lex.c (map): New.
223 (cb_file_change): Update map and use it.
224 (cb_def_pragma, cb_define, cb_undef): Use map and line.
225 (c_lex): Update to use map.
226 * cpperror.c (print_location): Move to using logical line numbers.
227 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
228 (cpp_make_system_header): Similarly.
229 (_cpp_execute_include): Stop line numbering hacks. Store the
230 line we will return to.
231 * cpphash.h (CPP_BUF_LINE): Remove.
232 (struct cpp_buffer): Remove lineno and pseudo_newlines.
233 Add map and return_to_line.
234 (_cpp_do_file_change): Update.
235 * cppinit.c (cpp_start_read): Update line kludge.
236 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
237 (trigraph_ok): Use logical line numbers for diagnostics.
238 (skip_block_comment): Likewise.
239 (skip_whitespace): Likewise.
240 (skip_line_comment): Use pfile->line instead.
241 (_cpp_lex_token): Update to use logical line numbering exclusively.
242 Handle BOL locally. Accept new lines in directives, but keep
243 pfile->line decremented. Diagnostics use logical lines. Update
245 * cpplib.c (SEEN_EOL): New.
246 (skip_rest_of_line, check_eol): Use it.
247 (end_directive): Increase line number when accepting the newline
248 at the end of a directive.
249 (run_directive): Simplify.
250 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
251 (_cpp_do_file_change): Update to take buffer line number as an
252 argument, and store the current map in the cpp_reader. Remove
254 (_cpp_do__Pragma): Restore output position after a _Pragma.
255 (cpp_push_buffer): Don't set output line or lineno.
256 (_cpp_pop_buffer): Transfer more info from a faked buffer.
257 Remove line kludge. Set output_line.
258 * cppmacro.c (builtin_macro): Update handling of __LINE__.
259 (parse_arg): Use logical lines.
260 (save_lookahead_token): Save EOFs too now.
261 * cppmain.c (struct printer): Fix comments.
262 (printer_init): Simplify, let caller do errors.
263 (scan_translation_unit, check_multiline_token, dump_macro): Update.
264 (maybe_print_line): Simplify.
265 (print_line): Don't print a linemarker if -P.
266 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
267 (cb_file_change): Simplify.
268 * line-map.h (LAST_SOURCE_LINE): Fix.
269 (CURRENT_LINE_MAP): New.
271 2001-08-05 Bernd Schmidt <bernds@redhat.com>
273 * doloop.c (doloop_modify_runtime): Properly compute number of
274 iterations if loop was unrolled.
276 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
277 if their CSELIB_VAL_PTRs are.
279 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
280 (setup_spill_pointers): Initialize it.
281 (spill_restore_mem): Set it.
282 (do_spill, do_restore): Use it to add REG_INC note.
283 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
285 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
286 asms if other insns are available.
288 * config/ia64/ia64.c (condop_operator): New predicate.
289 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
290 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
293 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
294 temporary register than directly using a MEM.
296 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
298 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
299 parameter in last change.
301 2001-08-04 Zack Weinberg <zackw@panix.com>
303 * sparc.md: Don't use #if inside C test expression.
305 2001-08-04 Richard Henderson <rth@redhat.com>
307 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
309 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
311 * cpphash.h (struct cpp_reader): New member directive_line.
312 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
313 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
314 do_pragma): Pass line to callbacks.
315 (start_directive): Record line of directive.
316 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
317 cb_include): Similarly.
318 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
321 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
323 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
326 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
328 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
330 * reload1.c (fixup_abnormal_edges): New static function.
333 * flow.c (need_fake_edge_p): New function.
334 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
335 avoid call insn to be very last insn in the insn stream.
337 * profile.c (branch_prob): Call flow_call_edges_add instead of
338 doing that by hand; cleanup cfg to re-merge basic blocks once
341 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
343 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
344 are also on line-map.h.
345 * cppfiles.c (stack_include_file): Update.
346 * cpphash.h (struct cpp_buffer): New member return_at_eof.
347 (_cpp_pop_buffer): New.
348 * cppinit.c (cpp_destroy, cpp_finish): Update.
349 (do_includes): Mark each buffer to return at EOF.
350 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
352 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
353 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
354 * cpplib.h (cpp_pop_buffer): Remove.
355 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
356 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
358 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
360 (do_preprocessing): Update.
361 * fix-header.c (read_scan_file): Update. No need to pop buffers.
362 * c-parse.in (_yylex): Similarly.
363 * scan-decls.c (scan_decls): Similarly.
364 * line-map.h: Update comments.
366 * objc/Make-lang.in (objc-act.o): Update dependencies.
368 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
370 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
371 and soft register for operand 0.
372 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
374 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
376 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
377 register for operand 0.
378 ("bitcmpqi_z_used"): Allow memory for operand 0.
379 (split "bitcmpqi"): New split to handle address reg as operand 1.
381 2001-08-04 Andreas Jaeger <aj@suse.de>
383 * gcse.c: Revert Daniel's last patch.
385 2001-08-03 Zack Weinberg <zackw@stanford.edu>
387 * sparc-protos.h: Add prototypes for fp_zero_operand and
389 * sh-protos.h: Add prototype for fpul_operand.
391 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
393 * doc/extend.texi (Other Builtins): Fix typo in last change.
395 2001-08-03 Richard Henderson <rth@redhat.com>
397 * target.h (gcc_target): Add asm_out.named_section,
398 section_type_flags, have_named_sections.
399 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
400 (TARGET_HAVE_NAMED_SECTIONS): New.
401 (TARGET_SECTION_TYPE_FLAGS): New.
403 * Makefile.in (toplev.o): Depend on TARGET_H.
404 (varasm.o, dbxout.o): Likewise.
405 * c-common.c (decl_attributes): Check targetm.have_named_sections
406 instead of ifdef ASM_OUTPUT_SECTION_NAME.
407 * dbxout.c (dbxout_function_decl): Likewise.
408 (dbxout_function_end): Likewise.
409 * toplev.c (compile_file): Likewise.
410 * varasm.c (exception_section): Likewise.
411 * cp/decl2.c (finish_objects): Likewise.
413 * defaults.h (EH_FRAME_SECTION): Remove.
414 (EH_FRAME_SECTION_ASM_OP): Remove.
415 (EH_FRAME_SECTION_NAME): New.
416 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
417 (UNIQUE_SECTION_P): Remove.
418 * dwarf2out.c (SECTION_FORMAT): Remove.
419 (ASM_OUTPUT_SECTION): Remove.
420 (output_call_frame_info): Use named_section_flags.
421 (output_comp_unit, dwarf2out_start_source_file): Likewise.
422 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
423 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
424 * varasm.c (in_eh_frame, eh_frame_section): Remove.
425 (named_section_flags): New.
426 (named_section): Use it and targetm.section_type_flags.
427 (resolve_unique_section): New.
428 (assemble_start_function): Use it.
429 (asm_emit_uninitialised, assemble_variable): Likewise.
430 (default_section_type_flags): New.
431 (default_no_named_section, default_elf_asm_named_section): New.
432 (default_coff_asm_named_section, default_pe_asm_named_section): New.
433 * output.h: Update varasm.c decls.
434 (SECTION_*): New flags.
436 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
437 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
439 * config/elfos.h (UNIQUE_SECTION_P): Remove.
440 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
441 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
442 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
443 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
444 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
445 * config/mips/elf.h, config/mips/elf64.h: Likewise.
446 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
447 * config/pa/pa64-hpux.h,
449 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
450 (TARGET_ASM_NAMED_SECTION): New.
451 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
452 * config/alpha/vms.h, config/arm/coff.h: Likewise.
453 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
454 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
455 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
456 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
457 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
458 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
459 * config/i386/sco5.h, config/i386/win32.h: Likewise.
460 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
461 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
462 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
463 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
464 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
465 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
466 * config/sparc/sysv4.h: Likewise.
468 * config/nextstep.h: Error until named sections implemented.
470 * config/a29k/a29k.c (a29k_asm_named_section): New.
471 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
472 (vms_section_type_flags, vms_asm_named_section): New.
473 * config/arm/arm.c (arm_elf_asm_named_section): New.
474 * config/avr/avr.c (asm_output_section_name): Remove.
475 * config/avr/avr-protos.h: Update.
476 * config/c4x/c4x.c (c4x_asm_named_section): New.
477 * config/h8300/h8300.c (h8300_asm_named_section): New.
478 * config/i386/i386.c (sco_asm_named_section): New.
479 * config/i386/winnt.c (SECTION_PE_SHARED): New.
480 (i386_pe_section_type_flags): New.
481 (i386_pe_asm_named_section): New.
482 * config/i386/i386-protos.h: Update.
483 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
484 * config/mcore/mcore.c (mcore_asm_named_section): New.
485 * config/mips/mips.c (iris6_asm_named_section): New.
486 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
487 instead of UNIQUE_SECTION_P.
488 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
489 (xcoff_asm_named_section): New.
490 * config/sh/sh.c (sh_asm_named_section): New.
491 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
493 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
494 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
495 (EH_FRAME_SECTION_NAME): New.
496 (EXCEPTION_SECTION): New.
497 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
498 (DEBUG_*_SECTION): Remove.
499 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
500 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
501 (EH_FRAME_SECTION_ASM_OP): Remove.
503 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
504 (ASM_OUTPUT_SECTION_NAME): Remove.
505 (TARGET_ASM_NAMED_SECTION): New.
506 (TARGET_HAVE_NAMED_SECTIONS): New.
507 (TARGET_SECTION_TYPE_FLAGS): New.
508 (EH_FRAME_SECTION_ASM_OP): Remove.
509 (EH_FRAME_SECTION_NAME): New.
511 2001-08-03 Zack Weinberg <zackw@stanford.edu>
513 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
514 for complex expressions when cfun == 0.
515 * doc/extend.texi: Document that __builtin_constant_p can be
516 used in data initializers as well as functions.
518 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
520 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
521 variable I locally, instead of expecting a declaration in the
524 2001-08-03 Richard Henderson <rth@redhat.com>
526 * except.c (collect_one_action_chain): Add an explicit cleanup
527 action if regions surrounding a catch were encoded entirely
528 within the call-site entry.
530 2001-08-03 Richard Henderson <rth@redhat.com>
532 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
533 don't take REGNO of a non-register.
535 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
537 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
538 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
539 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
540 (__gthread_mutex_init_function): New function for mutex initialization.
542 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
544 * Makefile.in: Revert screwed up commit.
546 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
548 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
549 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
550 merged by linker script to get a final _exit().
551 (__do_global_dtors): New for destructor handling in specific exit
553 (__do_global_ctors): New for constructors in specific install section.
554 (__map_data_section): Map data sections before running constructors.
555 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
556 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
557 (DTORS_SECTION_ASM_OP): Likewise.
558 (CTORS_SECTION_FUNCTION): Define to force a reference to
560 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
562 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
564 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
566 * Makefile.in: Add df.h to gcse.c dependencies.
568 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
570 * varasm.c (output_constant_def_contents): Use for the length of a
571 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
572 depending on which is larger.
574 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
576 * gcse.c: Include df.h for use as a dataflow analyzer.
578 Declaration of reg_set_info: gone.
579 New df_analyzer variable used by store motion.
580 (reg_set_info): Deleted.
581 (mark_mem_regs): New function, analyze regs used by a mem.
582 (store_ops_ok): Use dataflow analyzer results to determine if
583 necessary regs are changed in the block.
584 (find_moveable_store): Remove check for symbol ref, we can handle
585 much more complex expressions now.
586 (compute_store_table): Remove most of the code, it's unnecessary
587 now that the dataflow analyzer records the info for us.
588 (store_killed_after): Add parameter to say whether to do the
589 store_ops_okay test, used to speed up testing when we already know
590 the answer, and just want to know if the store itself was killed.
591 (build_store_vector): Largely rewritten to calculate the various
592 vectors properly, and somewhat optimized.
593 (store_motion): Init the df_analyzer, get REG_DEF chains.
594 Also handle trapping expressions (since mems almost always trap)
595 (simple_mem): Redefine what a simple mem is.
597 2001-08-03 DJ Delorie <dj@redhat.com>
599 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
600 set from a constant part of the condition.
602 2001-08-01 Andrew Cagney <ac131313@redhat.com>
604 * mkdeps.c (deps_add_default_target): Make local variable
605 ``start'' a const char pointer.
606 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
608 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
610 * doc/install.texi (Configuration): Fix markup.
611 (Specific, i?86-*-udk): Likewise.
612 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
614 Document --enable-threads and --enable-libgcj status.
615 (Specific, mips-sgi-irix*): Canonicalize triples.
616 (Specific, mips-sgi-irix5): Warn about problems with this config.
617 Mention required GNU as patch.
618 Native assembler problems are fixed.
619 (Specific, mips-sgi-irix6): Update O32 ABI support status.
620 Document --enable-threads and --enable-libgcj status.
622 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
624 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
627 2001-08-03 Richard Henderson <rth@redhat.com>
629 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
632 2001-08-03 Richard Henderson <rth@redhat.com>
634 * rtlanal.c (find_first_parameter_load): Stop if we
635 reach a CODE_LABEL at BOUNDARY.
637 2001-08-03 Richard Henderson <rth@redhat.com>
639 * config/alpha/alpha.md (force_movdi): New insn.
640 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
641 Tweek FRP marking of VMS prologue insns.
642 * config/alpha/vms.h (EPILOGUE_USES): New.
644 2001-08-02 Richard Henderson <rth@redhat.com>
646 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
648 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
650 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
651 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
652 config/convex/convex.h, config/d30v/d30v.c,
653 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
654 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
655 config/mips/mips.h, config/mn10200/mn10200.h,
656 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
657 config/v850/v850.h, config/vax/openbsd.h,
658 config/vax/openbsd1.h, config/vax/ultrix.h,
659 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
660 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
661 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
662 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
663 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
664 in comments and documentation.
666 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
670 * Makefile.in (line-map.o): New.
671 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
672 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
673 * cpperror.c (print_containing_files): Similarly.
674 (print_location): Update. Don't output a space before _Pragma.
675 * cppfiles.c (stack_include_file): Set to line 1 immediately.
676 (stack_include_filee, cpp_make_system_header): Update.
677 (_cpp_execute_include): Get logical line number right for calling
678 as-yet-unterminated #include.
679 * cpphash.h (struct cpp_reader): Add line_maps.
680 (_cpp_do_file_change): Update.
681 * cppinit.c (cpp_create_reader): Initialize line maps.
682 (cpp_destroy): Destroy line maps.
683 (cpp_start_read): Get logical line number right.
684 * cpplex.c (parse_string): Only warn once for multi-line strings.
685 Use boolean variable for null warning.
686 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
688 (do_include_common): End the directive early.
689 (do_line): Don't warn about out-of-range lines in preprocessed
690 source. Update. Remove unused variables.
691 (_cpp_do_file_change): Update for new line mapping.
692 (pragma_cb): New typedef.
693 (cpp_register_pragma): Stop looking ahead before calling the
695 (do_pragma_system_header): End directive early.
696 (cpp_get_line_maps): New.
697 (cpp_pop_buffer): Fudge logical line. Update.
698 * cpplib.h: Include line-map.h
699 (enum cpp_fc_reason): Remove.
700 (struct cpp_file_change): Update.
701 (cpp_get_line_maps): New.
702 * cppmain.c (struct_printer): New member map.
703 (cb_file_change): Update for new mappings.
704 * fix-header.c (cb_file_change): Similarly.
706 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
708 * Makefile.in (libgcc.mk): Define mkinstalldirs.
709 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
711 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
713 * config/vax/vax.c: include expr.h.
715 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
717 * Makefile.in ($(srcdir)/configure): Only rebuild in
719 ($(srcdir)/config.in): Only define in maintainer mode.
720 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
722 2001-08-02 David Edelsohn <edelsohn@gnu.org>
724 * doc/install.texi (Install GCC: Binaries): Update Bull info.
726 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
728 * gcc.c (set_collect_gcc_options): New function, split out from
730 Ignore elided switches.
731 (do_spec_1): Invoke before executing command.
734 * gcc.h (set_input): ... here.
735 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
738 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
741 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
743 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
745 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
747 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
748 for the unnamed instructions it expands to.
750 2001-08-02 Richard Henderson <rth@redhat.com>
752 * regclass.c (call_really_used_regs): Conditionally define.
753 (init_reg_sets_1): Don't use it if not defined.
754 (fix_register): Similarly, don't set it.
756 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
758 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
759 Correct comment that had been missed in the previous change.
761 2001-08-01 Stan Shebs <shebs@apple.com>
763 * config/darwin.c (machopic_stub_name): Try matching by name.
764 (update_stubs): New function.
765 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
768 2001-08-01 Richard Henderson <rth@redhat.com>
770 * except.c (output_function_exception_table): Use assemble_align.
771 * varasm.c (assemble_eh_label): Remove.
772 (assemble_eh_align, assemble_eh_integer): Remove.
774 2001-08-01 Robert Lipe <robertl@caldera.com>
776 * dwarfout.c: Remove reference to README.DWARF.
778 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
780 * regclass.c (call_really_used_regs): New array for registers which
781 are actually used by a call.
782 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
784 (fix_register): Set call_really_used too.
785 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
786 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
788 2001-08-01 Richard Henderson <rth@redhat.com>
790 * read-rtl.c (read_name): Consider \r whitespace.
792 2001-07-11 Andrew Cagney <ac131313@redhat.com>
794 * config.gcc: Recognize powerpc-*-netbsd*.
796 * doc/install.texi (Host/target specific installation notes for
797 GCC): Mention powerpc-*-netbsd*.
799 * config/rs6000/netbsd.h: New file.
800 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
801 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
802 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
803 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
804 (TARGET_VERSION): Redefine.
806 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
807 mcall-netbsd as a match for mcall-sysv.
808 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
809 (ncrti.S, ncrtn.S): New targets.
810 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
812 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
813 "netbsd' as a V4 ABI.
814 (ASM_SPEC): Check for -mcall-netbsd.
815 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
816 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
817 (LIB_SPEC, ENDFILE_SPEC): Ditto.
818 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
819 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
820 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
821 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
823 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
824 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
826 2001-08-01 Mark Kettenis <kettenis@gnu.org>
828 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
829 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
830 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
831 including "unwind-pe.h".
833 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
835 * rs6000.md (define_splits): Kill unused constraints.
837 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
838 Jan Hubicka <jh@suse.cz>
840 * function.c (thread_prologue_and_epilogue_insns): Kill code
841 dealing with non-existent CFG.
843 2001-08-01 Kazu Hirata <kazu@hxi.com>
845 * alias.c: Fix comment formatting.
846 * bitmap.c: Likewise.
847 * builtins.c: Likewise.
849 * c-common.c: Likewise.
850 * c-decl.c: Likewise.
851 * c-dump.c: Likewise.
853 * collect2.c: Likewise.
854 * combine.c: Likewise.
855 * conflict.c: Likewise.
856 * cppfiles.c: Likewise.
857 * cppinit.c: Likewise.
858 * cpplex.c: Likewise.
859 * cpplib.c: Likewise.
860 * cppmacro.c: Likewise.
861 * cppspec.c: Likewise.
862 * c-pragma.c: Likewise.
863 * crtstuff.c: Likewise.
865 * cselib.c: Likewise.
866 * c-semantics.c: Likewise.
867 * c-typeck.c: Likewise.
869 2001-08-01 H.J. Lu <hjl@gnu.org>
871 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
873 2001-08-01 H.J. Lu <hjl@gnu.org>
875 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
877 2001-08-01 Ziemowit Laski <zlaski@apple.com>
879 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
880 contextualizing Objective-C class name lookup by the lexer.
881 (typespec_reserved_nonattr): Disable ObjC class name lookup after
883 (protocoldef): Add support for forward @protocol declarations.
884 (yylexname): Suppress ObjC class name lookup in certain contexts;
885 re-enable after lookup is complete.
886 (_yylex): Re-enable ObjC class name lookup when certain
887 punctuation marks are seen.
889 * objc/objc-act.c (check_protocol_recursively): New function used
890 for finding circular dependencies in protocols.
891 (objc_declare_protocols): New function for handling forward
892 @protocol declarations.
893 (receiver_is_class_object): Detect the case when 'self' is used
894 inside of a class method.
895 (build_message_expr): Issue a warning if class method is desired
896 but instance method is found instead.
897 (conforms_to_protocol): Streamline.
898 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
899 protocol Foo, even if 'Bar foo' does not.
900 (check_protocols): Streamline.
901 (start_protocol): Add checks for circular and duplicate protocol
903 (encode_aggregate_within): For typedefs of structs, encode the
905 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
906 (objc_declare_protocols): New prototype.
908 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
910 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
911 * cpplex.c (handle_newline): Update prototype. Maintain logical
913 (skip_escaped_newlines, skip_block_comment, parse_string):
915 (_cpp_lex_token): Update, and store token position within the token.
916 * cpplib.h (struct cpp_token): Add line and column entries.
917 * cppmacro.c (replace_args): Position stringified tokens correctly.
919 2001-08-01 Andreas Jaeger <aj@suse.de>
921 * basic-block.h: Add prototype for last_loop_beg_note.
923 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
925 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
926 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
928 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
929 while handling WITH_CLEANUP_EXPR node. Use second operand calling
931 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
933 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
934 operand while calling simple_cst_equal.
935 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
936 operand is the cleanup expression, the third is the RTL_EXPR.
937 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
939 2001-07-31 Jeff Sturm <jsturm@one-point.com>
941 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
943 2001-07-31 matthew green <mrg@eterna.com.au>
945 * config.gcc (i386-*-netbsdelf): New description.
946 * config/i386/netbsd-elf.h: New file.
948 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
950 * loop.c (check_dbra_loop): Use single_set to compute
953 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
955 PowerPC reorg and support for powerpc64-*-linux*.
957 Also fixes emitting of constants on 32 bit and 64 bit
960 * config.gcc: powerpc64-*-linux* is a new target.
961 Things that needed aix.h now also include xcoff.h
963 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
965 Move AIX specific stuff into aix.h.
966 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
967 with more than just XCOFF now.
968 (SET_ASM_OP): Remove, now defined where needed.
969 (FUNCTION_PROLOGUE): New macro definition.
970 (FUNCTION_EPILOGUE): New macro definition.
971 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
973 * config/rs6000/xcoff.h: New file.
975 * config/rs6000/linux64.h: New file.
977 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
979 2001-07-31 Alan Modra <amodra@bigpond.net.au>
981 * rs6000.c (print_operand_address): Handle ELF syntax.
982 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
983 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
984 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
986 2001-07-31 David Edelsohn <edelsohn@gnu.org>
988 * rs6000.c (rs6000_override_options): Only disable
989 flag_function_sections for XCOFF.
990 (exact_log2_cint_operand): New predicate.
991 (reg_or_{add,sub}_cint64_operand): New predicates.
992 (add_operand): Compare CONST_INT with fewer function calls.
993 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
994 (print_operand, case 'p'): Ensure positive operand.
995 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
996 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
997 (PREDICATE_CODES): Add new predicates.
998 * rs6000.md (addsi3): Split 32-bit constants more correctly.
999 (divsi3, modsi3): Ensure positive power-of-2.
1000 (adddi3): Use new predicate. Split 32-bit constants more
1001 correctly. Re-arrange splitter to handle any constant.
1002 (subdi3): Use new predicate.
1003 (divdi3, moddi3): Ensure positive power-of-2.
1004 (movdi): Use rs6000_emit_set_const.
1005 (load_toc_v4_pic_di): Delete.
1007 2001-07-31 Graham Stott <grahams@redhat.com>
1009 * function.c (pad_below): Revert 2001-07-26 patch.
1011 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1013 * reg-stack (convert_regs_1): Fix best edge condition.
1015 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1017 * jump.c (duplicate_loop_exit_test): Better test for jumps
1018 entering the loop; create loop pre_header.
1020 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1022 * doc/install.texi: Add s390 and s390x as new targets.
1023 * doc/invoke.texi: Add documantation of S/390 and zSeries
1025 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1027 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1029 * config/m68k/m68k.md: Replace all general_operand with
1030 nonimmediate_operand for all destinations.
1031 * config/m68k/m68k.c (not_sp_operand): Likewise.
1033 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1035 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1037 2001-07-30 Richard Henderson <rth@redhat.com>
1039 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1040 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1042 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1044 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1045 Add missing doc strings
1046 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1047 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1049 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1051 * i386.c (ix86_output_main_function_alignment_hack): New function.
1052 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1054 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1055 edges by EDGE_DFS_BACK flag.
1056 (dump_edge_info): Add dfs_back flag.
1057 * basic-block.h (EDGE_DFS_BACK): New constant.
1058 (mark_dfs_back_edges): Declare.
1059 * alias.c (loop_p): Remove.
1060 (mark_constant_function): Use mark_dfs_back_edges.
1062 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1063 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1064 (compensate_edge): Break out from ...
1065 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1066 (convert_regs_2): Set block_done once block is really done;
1067 Do updating of the predecesors counts.
1069 * toplev.c (rest_of_compilation): Recompute block_for_insn
1070 before post-reload cfg_cleanup.
1071 * function.c (thread_prologue_epilogue_insns):
1072 Call set_block_for_new_insns when emitting prologue directly.
1074 2001-07-30 Andreas Jaeger <aj@suse.de>
1076 * jump.c: Add prototype for mark_modified_reg.
1078 * cse.c (set_live_p): Add unused attribute.
1080 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1082 (scan_for_source_files): Use long for count to avoid overflow.
1083 (output_data): Likewise.
1084 (output_data): Don't use string concatatenation to silence gcc
1087 * predict.c: Fix typos and grammar.
1089 * gcse.c (insert_insn_end_bb): Remove unused variables.
1091 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1093 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1094 (attempt_auto_inc): LIkewise.
1095 (mark_used_reg): Likewise.
1096 (try_pre_increment_1): Likewise.
1097 * regclass.c (regclass): Likewise.
1098 * global.c (allocno_compare): Update comment; change scaling factor.
1099 * local-alloc.c (QTY_CMP_PRI): Likewise.
1100 * regs.h (REG_FREQ_FROM_BB): New.
1101 (REG_FREQ_MAX): Likewise.
1103 2001-07-30 H.J. Lu <hjl@gnu.org>
1105 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1108 2001-07-30 H.J. Lu (hjl@gnu.org)
1110 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1111 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1112 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1114 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1116 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1117 as -mthumb-interwork when -mcpu=arm7 is specified.
1119 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1121 * predict.def (noreturn, loop branch, loop exit): Mark as first
1124 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1126 * combine.c (try_combine): Avoid barrier after noop jumps.
1128 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1130 * cpphash.h (struct cpp_reader): Remove import_warning.
1131 * cpplib.c (skip_rest_of_line): Don't bother turning off
1133 (parse_include): Move include handling to...
1134 (do_include_common): ... here. Move import warning from...
1135 (do_import): ... here.
1136 (do_pragma_poison): Don't do a callback for poison identifiers.
1137 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1138 * cppmain.c (setup_callbacks): Similarly.
1140 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1142 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1143 handle multiple sets.
1144 * except.c (sjlj_mark_call_sites): .... here.
1145 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1147 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1149 Suggested by Richard Henderson and Richard Kenner:
1150 * combine.c (recog_for_combine): Use the fake recog
1151 only if instruction does not match.
1152 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1153 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1155 * combine.c (try_combine): Discover noop jump as direct jump.
1157 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1159 * df.c (df_rd_global_compute): Add successors to worklist, not
1161 (df_ru_global_compute): Ditto.
1163 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1165 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1166 increment REG_N_SETS.
1168 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1170 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1172 * sbitmap.c (sbitmap_a_xor_b): New function.
1173 ifdef the basic block stuff on IN_GCC.
1175 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1177 * cppexp.c (parse_defined): Always record the macro name.
1178 (lex): Don't worry about identifiers, or special-case
1180 (_cpp_parse_expr): Figure out at the end of the routine
1181 whether we saw a valid !defined() expression.
1182 * cppfiles.c (stack_include_file): Update for mi_valid.
1183 (_cpp_pop_file_buffer): Similarly.
1184 * cpplex.c (_cpp_lex_token): Similarly.
1185 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1186 mi_if_not_defined, mi_lexed): Remove.
1188 * cpplib.c (do_if): Simplify.
1189 (do_endif, push_conditional, _cpp_handle_directive): Update
1190 for renaming of mi_state to mi_valid.
1192 * cpp.texi: Add index entries for digraphs, and add comment
1193 that C++ refers to them as alternative tokens.
1195 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1197 * basic-block.h (CLEANUP_PRE_LOOP): New.
1198 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1199 * sibcall.c (optimize_sibling_calls): Likewise.
1200 * toplev.c (rest_of_compilation): Likewise.
1201 * flow.c (try_forward_edges): Take argument MODE;
1202 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1203 (try_optimize_cfg): Update call of try_forward_edges.
1205 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1206 Jan Hubicka <jh@suse.cz>
1208 * (validate_replace_rtx_1): Fix simplification of MINUS.
1210 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1212 PR preprocessor/3669
1213 * cppinit.c (init_dependency_output): Turn off dump requests
1214 if sending dependencies to stdout.
1216 2001-07-28 Richard Henderson <rth@redhat.com>
1218 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1221 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1223 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1225 2001-07-28 Kazu Hirata <kazu@hxi.com>
1227 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1228 is VAR_DECL first to prevent an ICE.
1230 2001-07-28 Richard Henderson <rth@redhat.com>
1232 * varasm.c (immed_real_const_1): Don't elide special cases for
1234 (clear_const_double_mem): Clear const_tiny_rtx too.
1236 2001-07-28 Richard Henderson <rth@redhat.com>
1238 * dwarf2out.c (dw_val_class_offset): New.
1239 (struct dw_ranges_struct, dw_ranges_ref): New.
1240 (ranges_table, ranges_table_allocated): New.
1241 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1242 (add_AT_offset, add_ranges, output_ranges): New.
1243 (print_die, output_die): Handle dw_val_class_offset.
1244 (attr_checksum, size_of_die, value_format): Likewise.
1245 (gen_lexical_block_die): Handle non-contiguous blocks.
1246 (gen_block_die): Likewise.
1247 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1248 if needed. Dump the ranges table.
1249 * final.c (final_start_function): Remove unnecessary notes and
1250 rebuild the block tree before numbering the blocks.
1251 * function.c (reorder_blocks_0): Walk the existing block tree
1252 to unmark all blocks.
1253 (reorder_blocks_1): Create block fragments when duplicate block
1255 (reorder_fix_fragments): New.
1256 (reorder_blocks): Call it.
1257 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1259 2001-07-28 Richard Henderson <rth@redhat.com>
1261 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1263 2001-07-28 Richard Henderson <rth@redhat.com>
1265 * flow.c (add_to_mem_set_list): New function.
1266 (init_propagate_block_info): Use it.
1267 (mark_set_1): Likewise.
1268 (insn_dead_p): Canonicalize memory address for dead store
1269 comparison. Allow wider mode stores to kill narrower mode stores.
1270 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1271 (invalidate_mems_from_set): Don't handle MEMs.
1273 2001-07-28 Kazu Hirata <kazu@hxi.com>
1275 * config/h8300/h8300.h: Fix formatting.
1277 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1279 * basic-block.h (EDGE_FREQUENCY): New macro.
1280 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1282 * flow.c (find_sub_basic_blocks): Likewise.
1283 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1284 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1286 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1287 (HITRATE): New macro.
1288 (PRED_FLAG_FIRST_MATCH): New constant.
1289 (predictor_info): New field flgags.
1290 (combine_predictions_for_insn): Use DS theory to combine
1291 probabilities; set the edge probabilities when finished.
1292 (estimate_probability): Avoid duplicated matches
1293 of LOOP_BRANCH heuristics for nested loops; update comment.
1294 * predict.def: Add flags for each prediction, set probabilities
1295 according to B&L paper.
1296 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1298 * profile.c (compute_branch_probabilities): Cleanup way the edge
1299 probabilities are computed and REG_BR_PROB notes are dropped; if
1300 values does not match, emit error.
1301 (init_branch_prob): Do error instead of warning when profile driven
1302 feedback is missing or corrupt.
1304 2001-07-27 DJ Delorie <dj@redhat.com>
1306 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1307 against a constant, try to adjust the compare to have the desired
1308 constant in it so that min/max optimizations happen more often.
1310 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1312 * flow.c (last_loop_beg_note): New function.
1313 (redirect_edge_and_branch): Use it.
1314 (split_edge): Likewise.
1316 * alias.c (loop_p): Avoid uninitialized memory access.
1318 * flow.c (try_forward_edges): Avoid accessing freed memory.
1320 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1323 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1325 * doc/install.texi (Configuration): Properly link the host
1326 specific instructions also when generating HTML.
1328 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1330 * flow.c (redirect_edge_and_branch_force): Test
1331 target->global_live_at_start.
1333 2001-07-26 Richard Henderson <rth@redhat.com>
1335 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1336 * rtl.h (avoid_constant_pool_reference): Declare it.
1337 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1338 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1340 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1342 * rtl.h (cleanup_barriers): Declare.
1343 * jump.c (cleanup_barriers): New function.
1344 * toplev.c (rest_of_compilation): Call cleanup_barriers
1345 before loop optimizer and after bb_reorder.
1347 * flow.c (back_edge_of_syntactic_loop_p): New.
1348 (split_edge): Use it.
1350 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1352 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1354 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1356 * cse.c (cse_process_notes): Replace any registers if the address
1359 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1361 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1362 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1363 (propagate_block): Update prototype.
1364 * flow.c (update_life_info): Simplify the CFG and
1365 recalculate the global regs which are alive when
1366 removing dead code during a global update.
1367 (propagate_block): Return non-zero if an INSN is
1370 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1372 * Makefile.in (LIBICONV): Define.
1374 2001-07-26 Catherine Moore <clm@redhat.com>
1376 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1377 of conditional to avoid tree checking errors.
1379 2001-07-26 Kazu Hirata <kazu@hxi.com>
1381 * regmove.c (regmove_optimize): Don't replace a reg with
1382 another reg of a different mode.
1384 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1386 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1387 limit length of dependancy flush list.
1388 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1389 * sched-int.h (struct deps): Add pending_flush_length field.
1390 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1391 has 1 element in it.
1392 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1393 (sched_analyze): After a jump, if the pending memory flush list is too
1394 large, flush the pending lists.
1395 (init_deps): Initialize pending_flush_length to 0.
1396 * doc/invoke.texi (max_pending_list_length): Document parameter.
1398 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1400 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1401 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1402 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1404 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1406 * cpphash.h (struct_lexer_state): Delete was_skipping.
1407 Move skipping here from struct cpp_reader.
1408 * cpplex.c (parse_identifier): Update.
1409 (_cpp_lex_token): Don't skip tokens in a directive.
1410 * cpplib.c (struct if_stack): Update.
1411 (start_directive, end_directive): Don't change skipping state.
1412 (_cpp_handle_directive): Update.
1413 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1414 (do_else, do_endif): Update; only check for excess tokens if not
1415 in a skipped conditional block.
1416 (push_conditional): Update for new struct if_stack.
1418 2001-07-26 Graham Stott <grahams@redhat.com>
1420 * function.c (locate_and_pad_parm): Also pad initial offset
1421 so that the total argument size also includes the padding.
1423 2001-07-26 Graham Stott <grahams@redhat.com>
1425 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1426 change XSTR to XTMPL.
1428 (process_one_cond_exec): Likewise
1430 2001-07-25 Richard Henderson <rth@redhat.com>
1432 * varasm.c (assemble_variable): Create DECL_RTL before setting
1435 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1437 * predict.c (estimate_probability): Avoid duplicated predictions.
1439 * loop.c (find_and_verify_loops): Grok multiple barriers.
1441 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1443 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1445 * dbxout.c: Consistently use putc instead of fputc.
1446 (print_wide_int): New function; call instead of direct fprintf.
1447 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1448 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1449 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1450 (print_int_cst_octal): Likewise.
1451 (print_octal): Show we wrote characters.
1452 (dbxout_type): Set have_used_extensions in more places.
1454 2001-07-25 Catherine Moore <clm@redhat.com>
1456 * config/v850/v850.c (v850_va_arg): Use addr
1457 instead of valist to build incr.
1459 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1461 * flow.c (delete_dead_jumptables): New function.
1462 (life_analyzis): Call it.
1463 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1466 2001-07-25 Richard Henderson <rth@redhat.com>
1468 * except.c (reachable_handlers): Handle a region being removed
1469 out from under a RESX.
1471 2001-07-25 Richard Henderson <rth@redhat.com>
1473 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1474 swap GE/GT if it is an fp comparison.
1476 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1478 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1481 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1483 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1484 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1487 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1489 (visit_expression): When attempting to simplify an expression,
1490 retrieve any modes for arguments before they are simplified
1493 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1494 Janis Johnson <janis@us.ibm.com>
1496 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1497 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1498 pointer parameters to match documented usage of nonlocal_goto.
1499 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1500 parameters to their correct order.
1501 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1502 parameters to their correct order.
1504 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1506 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1508 2001-07-25 Jan Hubicka <jh@suse.cz>
1509 Richard Henderson <rth@redhat.com>
1511 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1513 (make_edges): New argument update_p; populate the edge cache if set.
1514 (find_basic_blocks): Update make_edges invocation.
1516 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1518 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1520 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1522 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1523 -Acpu and -Amachine.h.
1524 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1525 Corrected header to say ELF not a.out.
1526 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1527 when given -msoft-float.
1529 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1531 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1532 extra multilib parts like arm-elf.
1533 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1534 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1535 crtfini.o as extra multilib parts.
1537 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1539 * configure.in: Add rtems as a supported thread model.
1540 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1541 * configure: Rebuilt.
1543 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1545 * stor-layout.c (get_mode_alignment): make it work when
1546 BITS_PER_UNIT is not a power of two.
1547 * builtins.c (get_pointer_alignment): Likewise.
1549 2001-07-24 Richard Henderson <rth@redhat.com>
1551 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1552 the retrieved constant into the expected mode.
1554 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1556 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1557 (verify_flow_info): Check for duplicated edges; clarify
1560 * flow.c (block_label): Update basic_block_for_insn.
1561 (commit_edge_insertions): Call compute_bb_for_insn.
1563 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1566 * flow.c (redirect_edge_and_branch,
1567 try_optimize_cfg): Use redirect_edge_succ_nodup
1568 (redirect_edge_succ_nodup): New.
1569 * basic_block.h (redirect_edge_succ_nodup): Declare.
1571 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1574 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1576 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1577 (try_crossjump_to_edge): Update commetns.
1578 (try_crossjump_bb): Likewise.
1580 2001-07-24 Richard Henderson <rth@redhat.com>
1582 * combine.c (distribute_notes): Move set of need_refresh
1583 for noop_move_p down to catch all cases.
1585 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1587 * recog.c (split_all_insns_noflow): New.
1588 * rtl.h (split_all_insns_noflow): Declare.
1589 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1590 * m68hc11.c (m68hc11_reorg): Likewise.
1591 * sh.c (machine_dependent_reorg): Likewise.
1592 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1595 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1597 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1598 (ashlsi3_n splitter): Likewise.
1599 (lshrsi3_n splitter): Likewise.
1601 (GOTaddr2picreg): Make const SImode.
1602 (sym_label2reg): Likewise.
1603 (symGOT2reg): Likewise.
1604 (symGOTOFF2reg) Likewise.
1606 (casesi_worker_0): Make unspec SImode.
1608 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1610 * config/sh/sh.c (barrier_align): Check that an operand really is
1611 an insn before extracting its INSN_CODE.
1613 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1615 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1618 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1619 for SImode to prevent overflow.
1621 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1623 * config/mips/irix6-libc-compat.c: New file.
1624 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1625 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1628 2001-07-24 lars brinkhoff <lars@nocrew.org>
1630 * rtl.texi (REG_POINTER): Document.
1631 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1632 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1634 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1636 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1638 2001-07-23 Richard Henderson <rth@redhat.com>
1640 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1642 2001-07-23 Kazu Hirata <kazu@hxi.com>
1644 * config/h8300/h8300-protos.h: Add a prototype for
1645 general_operand_dst_push.
1646 * config/h8300/h8300.c (general_operand_dst_push): New.
1647 * config/h8300/h8300.h (OK_FOR_T): New.
1648 (EXTRA_CONSTRAINT): Use it.
1649 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1650 the existing movqi pattern.
1651 (movhi_push): Likewise.
1653 * reload.c: Fix comment typos.
1655 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1657 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1659 2001-07-23 H.J. Lu (hjl@gnu.org)
1661 * doc/extend.texi: Update __builtin_return_address and
1662 __builtin_frame_address.
1664 2001-07-23 Richard Henderson <rth@redhat.com>
1666 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1668 * config/i386/i386.md: New setcc+movzbl peephole2.
1670 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1672 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1673 * objc/objc-act.c: Include debug.h.
1674 (synth_module_prologue): Save and restore debug hooks too.
1676 2001-07-23 lars brinkhoff <lars@nocrew.org>
1678 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1679 and C4X_FLOAT_FORMAT.
1680 (BOOL_TYPE_SIZE): Document.
1682 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1684 * unroll.c (loop_iterations): Fix miscalculation of initial
1687 2001-07-13 Andrew Haley <aph@redhat.com>
1689 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1690 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1691 * config/sh/sh.c (sh_can_redirect_branch): New function.
1692 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1693 * reorg.c (steal_delay_list_from_target): Use
1694 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1696 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1698 * flow.c (try_simplify_condjump): Unlink insn chain on
1699 fallthru edge; use can_fallthru.
1701 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1703 * basic-block.h (find_sub_basic_block): Declare.
1704 * flow.c (make_edges): New arguments MIN and MAX;
1705 (find_sub_basic_blocks): Revamp to use make_edges
1706 and purge_dead_edges.
1707 (find_basic_blocks): Update call of find_sub_basic_block.
1709 * recog.c (split_all_insns): Always expect CFG to be consistent;
1710 call find_sub_basic_blocks in case something has changed.
1711 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1714 * basic-block.h (delete_noop_moves): Declare.
1715 * combine.c (combine_instructions): Call it.
1716 (recog_for_combine): Tolerate noop moves
1717 (distribute_notes): Force refresh when register dies at noop move.
1718 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1720 (life_analysis): Update delete_noop_moves call.
1721 (set_noop_p): Move too ...
1722 * rtlanal.c (noop_move_p): ... here.
1723 * rtl.h (noop_move_p): Declare.
1725 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1726 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1728 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1729 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1731 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1733 * reload.c (push_reload): Fix typo in comment.
1734 (find_reloads_address): Ditto.
1735 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1737 2001-07-22 Richard Henderson <rth@redhat.com>
1739 * flow.c: Grammar check and clarify a lot of comments.
1740 (try_simplify_condjump): Rename variables to be clearer.
1741 (try_forward_edges): Skip complex and fallthru edges.
1742 Rearrange tests to avoid duplicate checks.
1743 (flow_find_cross_jump): Likewise.
1744 (outgoing_edges_match): Allow match if neither branch has
1745 probability data. Loosen probability match to 5%.
1746 (try_crossjump_to_edge): Hoist repeated indirection into
1748 (try_crossjump_bb): Don't check complex edges. Eliminate
1749 redundant crossjump tests.
1750 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1751 checks before more expensive checks.
1753 2001-07-22 Richard Henderson <rth@redhat.com>
1755 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1756 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1759 2001-07-22 Richard Henderson <rth@redhat.com>
1761 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1762 (const_sint32_operand): Likewise.
1763 * m68k.md (anon mulsi pattern): Use const_int_operand not
1764 const_sint32_operand.
1765 (umulsi3_highpart): Zero extend a constant input.
1766 (smulsi3_highpart): Don't bother checking SImode constant.
1767 (const_umulsi3_highpart): Give op3 DImode.
1768 (const_smulsi3_highpart): Likewise.
1770 2001-07-22 Richard Henderson <rth@redhat.com>
1772 * flow.c (split_block): Make sure bb_note is included in the
1773 new block when splitting before a label.
1775 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1777 * basic-block.h (redirect_edge_and_branch_force,
1778 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1779 * flow.c (redirect_edge_and_branch_force,
1780 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1781 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1782 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1783 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1784 instead of label; update CFG after transformation.
1785 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1786 for finishing the transformation; handle even case where ELSE
1787 does not follow THEN.
1788 (find_if_case_2): Update call of dead_or_predictable; simplify
1791 * emit-rtl.c (split_branch_probability): New global variable.
1792 (try_split): Take care to set split_branch_probability and
1793 create REG_BR_PROB note for new jump insns.
1794 * md.texi (define_split): Document new feature.
1796 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1798 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1800 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1801 (asm_out_file): Remove redundant declaration.
1802 (assemble_asm): Remove old #if 0 block.
1803 (assemble_variable): Remove end of function; debug output is
1804 now handled with global_decl. Remove old #if 0 block. Update.
1805 Remove saved_in_section and associated no-op code.
1806 * Makefile.in (varasm.o): Correct dependencies.
1808 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1810 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1811 the definition in defaults.h.
1813 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1815 * jump.c: Update comments.
1816 (delete_barrier_successors, delete_unreferenced_labels,
1817 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1818 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1819 jump_optimize, jump_optimize_minimal): Kill.
1820 (rebuild_jump_labels): Move code from jump_optimize_1.
1821 (purge_line_number_notes): Likewise.
1822 (copy_loop_headers): Likewise.
1823 * reg-stack.c: Update comment.
1825 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1826 JUMP_AFTER_REGSCAN): Kill.
1827 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1828 purge_line_number_notes and copy_loop_headers.
1830 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1831 Richard Henderson <rth@redhat.com>
1833 * dbxout.c (dbxout_global_decl): New.
1834 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1835 * sdbout.c (sdbout_finish): New.
1836 (sdbout_debug_hooks): Use it, add comments.
1837 (sdbout_global_decl): Defer initialised public vars to
1839 * varasm.c (assemble_variable): Don't output debug information
1840 for file-scope variables.
1842 2001-07-22 Richard Henderson <rth@redhat.com>
1844 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1845 (get_round_mode_suffix): New.
1846 (print_operand): Use them for [/]. Remove support for [&'`()+].
1847 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1848 * config/alpha/alpha.md (attr round_suffix): New.
1849 (attr trap_suffix): New.
1850 (all insns): Set them appropriately. Use %/ instead of the
1853 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1855 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1857 2001-07-22 Richard Henderson <rth@redhat.com>
1859 * regrename.c (regrename_optimize): Compute nregs for each
1860 potential target register.
1862 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1863 Richard Henderson <rth@redhat.com>
1865 * dbxout.c (dbxout_global_decl): New.
1866 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1867 * sdbout.c (sdbout_finish): New.
1868 (sdbout_debug_hooks): Use it, add comments.
1869 (sdbout_global_decl): Defer initialised public vars to
1871 * varasm.c (assemble_variable): Don't output debug information
1872 for file-scope variables.
1874 2001-07-21 H.J. Lu (hjl@gnu.org)
1876 * config/mips/mips.c (mips_cpu): Moved into ...
1877 (override_options): Here.
1879 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1881 (mips_cpu): Removed.
1883 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1885 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1886 ("iorqi3"): Likewise.
1887 ("xorqi3"): Likewise.
1888 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1889 ("*subhi3_sp): Likewise.
1890 ("*subhi3"): Likewise.
1891 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1894 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1896 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1897 * config/freebsd.h: Likewise.
1898 * config/linux.h: Likewise.
1899 * config/openbsd.h: Likewise.
1900 * config/alpha/linux-elf.h: Likewise.
1901 * config/arm/linux-elf.h: Likewise.
1902 * config/d30v/d30v.h: Likewise.
1903 * config/fr30/fr30.h: Likewise.
1904 * config/ia64/aix.h: Likewise.
1905 * config/ia64/ia64.h: Likewise.
1906 * config/mips/linux.h: Likewise.
1907 * config/pj/pj.h: Likewise.
1908 * config/rs6000/linux.h: Likewise.
1909 * config/sparc/linux.h: Likewise.
1910 * config/sparc/linux64.h: Likewise.
1912 2001-07-20 Bruce Korb <bkorb@gnu.org>
1914 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1915 because getc() and char* may disagree on signedness.
1917 2001-07-20 Richard Henderson <rth@redhat.com>
1919 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1921 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1922 insns to delete in the presence of cc0 in a jump insn.
1924 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1925 Jan Hubicka <jh@suse.cz>
1927 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1928 of doing the change by hand.
1930 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1932 * rtlanal.c (set_noop_p): Return true for noop jumps.
1934 * expr.c (emit_single_push_insn): Add call to push expander.
1935 * expr.h (optab_index): Add OTI_push
1936 (push_optab): New constant.
1937 * genopinit.c (optabs): Add push_optab.
1938 * optabs.c (init_optab): Init push optab.
1939 * md.texi (push??1): Document
1941 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1943 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1944 expand to emit the pattern; put a REG_INC note for push/pop
1946 ("movdf", "movdf_internal"): Likewise.
1947 ("movsi", "movsi_internal"): Likewise.
1948 ("movsf", "movsf_internal"): Likewise.
1949 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1951 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1953 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1956 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1958 * params.def: Change default max inline insns to 100.
1960 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1962 * combine.c (combine_simplify_rtx): Generate a new shift operation
1963 when simplifying the first operand of a (neg (ashift)) expression.
1965 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1967 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1969 2001-07-20 Kelley Cook <kelley.cook@home.com>
1971 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1972 information. Move rest into ...
1973 (*-*-solaris): ... here. Eliminate redundant information and
1974 reword necessary packages section. Delete 4.x assembler bug info.
1975 (sparc-sun-*): Merge into ...
1976 (sparc-sun-sunos*): here.
1978 2001-07-20 Catherine Moore <clm@redhat.com>
1980 * config/v850/v850.md (casesi): Generate LABEL_REF
1983 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1985 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1986 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1987 * i386.md (strclrsi expander): Use it.
1989 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1991 * integrate.c (copy_insn_list): handle
1992 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1993 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1994 identically as to CODE_LABEL.
1996 * fold-const (fold): Convert A/B/C to A/(B*C) and
1999 * except.c (connect_post_landing_pads): Delete the RESX insns.
2001 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2003 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2005 * config/mips/mips.md (nmadd/nmsub): Use macro.
2007 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2009 * cppinit.c (remove_dup_dir): Make static.
2010 (remove_dup_dirs): Make static. Only warn about preempting a
2011 system directory with a non-system directory.
2013 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2015 * ifcvt.c (noce_try_store_flag_constants): Correct order
2016 of parameters to trunc_int_for_mode.
2018 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2020 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2021 an exception that will be caught within this function, do not fill
2022 its delay slot with any subsequent instruction.
2024 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2026 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2027 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2028 pointer extension instruction.
2029 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2030 * simplify-rtx.c (simplify_unary_operation) Likewise.
2031 * explow.c (convert_memory_address) Check value of
2032 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2034 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2035 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2036 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2037 Add Multilib Support.
2038 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2039 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2040 Add Multilib Support.
2041 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2043 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2044 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2045 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2047 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2049 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2050 old and new operands in `<', `3' and `b'.
2052 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2054 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2055 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2056 (toplev.o): Don't depend on xcoffout.h.
2057 * c-decl.c: Include debug.h
2058 (duplicate_decls): Use debug hook.
2059 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2060 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2061 (dbxout_types): Remove.
2062 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2063 * debug.c (do_nothing_debug_hooks): Update.
2064 (debug_true_tree, debug_nothing_rtx): New.
2065 * debug.h (struct rtx_def): New.
2066 (struct gcc_debug_hooks): New hooks ignore_block,
2067 outlining_inline_function and label.
2068 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2069 dwarf2out_frame_finish): New.
2070 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2071 Make static, update prototype.
2072 (dwarf2_debug_hooks): Update.
2073 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2074 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2075 * dwarfout.c (dwarf_debug_hooks): Update.
2076 * emit-rtl.c: Include debug.h.
2077 (remove_unnecessary_notes): Use debug hook.
2078 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2079 (final_scan_insn): Use debug hook.
2080 * integrate.c (output_inline_function): Use debug hook.
2081 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2082 (sdb_debug_hooks): Update.
2083 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2084 * toplev.c: Don't include xcoffout.h.
2085 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2086 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2088 * tree.h (dwarf2out_do_frame): Remove.
2090 2001-07-19 Catherine Moore <clm@cygnus.com>
2092 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2094 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2096 * reload1.c (eliminate_regs_in_insn): When updating a set
2097 to the frame pointer to the hardware frame pointer, perform
2098 the update always not just when REPLACE is set.
2100 * reload1.c (choose_reload_regs): Don't inherit a reload
2101 that crosses multiple registers if registers past the first
2102 don't fit in the desired class.
2104 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2105 when negating constants.
2107 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2109 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2110 * doc/tree.texi: Ditto.
2112 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2113 Jakub Jelinek <jakub@redhat.com>
2115 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2116 (extract_cie_info): Handle "eh" augmentation properly,
2118 (struct frame_state, __frame_state_for): New.
2120 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2122 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2123 HANDLE_SYSV_PRAGMA): Define.
2124 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2126 (copy_object): Caller changed.
2128 2001-07-19 Andreas Schwab <schwab@suse.de>
2130 * configure.in (assembler dwarf2 debug_line support): Define nop
2132 * configure: Regenerated.
2134 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2136 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2138 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2139 to conditionally compiled block.
2140 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2141 * dbxout.h (dbxout_function): Remove.
2142 * debug.c (do_nothing_debug_hooks): Update.
2143 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2144 global_decl, deferred_inline_function.
2145 * dwarf2out.c (dwarf2_debug_hooks): Update.
2146 (dwarf2out_global_decl): New.
2147 * dwarfout.c: Don't include dwarfout.h.
2148 (dwarfout_global_decl, dwarfout_function_decl,
2149 dwarfout_deferred_inline_function): New.
2150 (dwarf_debug_hooks): Update.
2151 * dwarfout.h: Remove.
2152 * final.c: Don't include dwarfout.h.
2153 * sdbout.c (sdbout_global_decl): New.
2154 (sdbout_debug_hooks): Update.
2155 * toplev.c: Don't include dwarfout.h.
2156 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2157 (note_deferral_of_defined_inline_function): Remove.
2158 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2159 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2160 * ch/lex.c: Don't include dwarfout.h.
2161 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2162 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2163 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2164 * cp/optimize.c: Include debug.h.
2165 (maybe_clone_body): Use debug hook.
2166 * cp/semantics.c: Include debug.h.
2167 (expand_body): Use debug hook.
2168 * po/POTFILES.in: Remove dwarfout.h.
2170 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2172 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2173 * c-parse.in (yyerror, _yylex): Similarly.
2174 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2175 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2177 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2178 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2180 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2182 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2183 in-class declaration at -g1. Fixes c++/2814.
2185 2001-07-18 Richard Henderson <rth@redhat.com>
2187 * doc/md.texi (reload_in/out): Document restrictions in predicates
2188 and constraints for these patterns. Document empty string matching
2191 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2193 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2195 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2197 * cse.c: Undo my previous patch.
2199 2001-07-18 Tom Tromey <tromey@redhat.com>
2202 * configure: Rebuilt.
2203 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2205 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2207 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2208 Jan Hubicka <jh@suse.cz>
2210 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2211 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2212 * jump.c (mark_jump_label): Do not forward branches.
2214 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2216 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2217 when return value is unused.
2219 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2221 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2223 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2225 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2226 on error. We can't blindly return the result of
2227 pthread_mutex_trylock because it returns a positive number on
2228 error, while we must return -1 on error.
2229 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2231 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2233 2001-07-18 Andreas Jaeger <aj@suse.de>
2235 * integrate.c (output_inline_function): Correct type of debug_hooks.
2237 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2239 * combine.c (combine_simplify_rtx): DIV can be treated
2240 associatively for floats if unsafe math optimisations are enabled.
2242 2001-07-17 Richard Henderson <rth@redhat.com>
2244 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2246 2001-07-17 Richard Henderson <rth@redhat.com>
2248 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2249 don't force the function address into a register.
2250 (expand_call, emit_library_call_value_1): Update callers.
2251 * builtins.c (expand_builtin_apply): Likewise.
2252 * expr.h (prepare_call_address): Update decl.
2254 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2256 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2258 * config/i386/chorus.h: Move up.
2259 * config/sparc/chorus.h: Likewise.
2260 * config/rs6000/chorus.h: Likewise.
2261 * config/chorus.h: Moved here.
2263 2001-07-17 Andreas Schwab <schwab@suse.de>
2265 * configure.in (assembler eh_frame optimization): Handle big
2267 * configure: Regenerated.
2269 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2271 * expr.c (epxand_expr): Convert divisions into multiplications by
2272 reciprocals if -ffast-math.
2274 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2276 * dbxout.c (dbxout_really_begin_function): Rename to
2277 dbxout_begin_function.
2278 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2279 (dbxout_begin_function): Remove.
2280 (dbxout_function): Update.
2281 (dbxout_source_line): Update prototype.
2282 * dbxout.h (dbxout_begin_function): Remove.
2283 * debug.c (do_nothing_debug_hooks): Update.
2284 (debug_nothing_tree): Update.
2285 (debug_nothing_charstar_rtx): Remove.
2286 * debug.h (union tree_node): Declare.
2287 (struct rtx_def): Remove.
2288 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2289 begin_function. Change source_line prototype.
2290 (debug_nothing_tree): New.
2291 (debug_nothing_charstar_rtx): Delete.
2292 (dwarf2out_begin_prologue): Moved from ...
2294 * dwarf2out.c (dwarf2_debug_hooks): Update.
2295 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2296 debug info, call dwarf2out_source_line.
2297 (dwarf2out_souce_line): Update prototype.
2298 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2299 Change prototype, make static.
2300 (dwarfout_source_line): Update prototype.
2301 (dwarf_debug_hooks): Update.
2302 * dwarfout.h (dwarfout_begin_function): Remove.
2303 * final.c (final_start_function, final_scan_insn): Use appropriate
2304 debug hooks, update to use notice_source_line.
2305 (output_source_line): Rename notice_source_line. Don't call the
2306 source_line debug hook.
2307 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2308 make static, update prototype.
2309 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2311 (sdbout_end_prologue): New.
2312 (sdbout_source_line): Update prototype.
2313 (sdbout_debug_hooks): Update.
2314 (sdbout_symbol): Remove unused var.
2315 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2317 * varasm.c: Include debug.h.
2318 (assemble_start_function): Use begin_function debug_hook.
2319 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2320 update with prototype.
2321 (xcoffout_source_line): Update prototype.
2322 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2324 (xcoffout_source_line): Update prototype.
2326 2001-07-17 Richard Henderson <rth@redhat.com>
2328 * c-typeck.c (build_binary_op): Do not shorten unsigned
2329 right shift after sign extension.
2331 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2333 * combine.c (combine_simplify_rtx): Attempt to simplify
2334 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2336 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2337 (simplify_binary_operation, simplify_unary_operation,
2338 simplify_relational_operation): Use it.
2340 * combine.c (combine_simplify_rtx): Don't do associative law
2341 on divisions; allow associative law on floats.
2343 2001-07-17 H.J. Lu <hjl@gnu.org>
2344 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2346 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2347 ASM_OUTPUT_WEAK_ALIAS are defined.
2348 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2349 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2351 * config/mips/iris5.h: ... here.
2352 (HANDLE_SYSV_PRAGMA): Defined as 1.
2353 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2354 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2357 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2359 * c-parse.in (all_prefix_attributes): New variable.
2360 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2361 (maybe_resetattrs): New production.
2362 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2363 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2364 notype_initdcl, nested_function, notype_nested_function,
2365 component_decl, components, components_notype,
2366 component_declarator, component_notype_declarator,
2367 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2368 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2369 after a comma being applied to more than one declarator.
2370 * doc/extend.texi (Attribute Syntax): Update. Remove
2371 documentation of bugs that are no longer present.
2373 2001-07-13 Eric Christopher <echristo@redhat.com>
2375 * config/mips/mips.h: Change TUNE_MIPS* options to use
2377 (EXTRA_SPECS): Add cc1_cpu_spec.
2378 * config/mips/mips.md (muldf3): Fix typo.
2380 2001-07-16 Richard Henderson <rth@redhat.com>
2382 * config/m68k/m68k.c: Include expr.h and reload.h.
2383 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2384 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2386 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2387 Richard Henderson <rth@redhat.com>
2389 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2390 (insn_live_p): Fix fall off end of function.
2391 (dead_libcall_p): Remove COUNTS argument; update callers.
2392 (delete_trivially_dead_insns): Remove unused variables.
2394 2001-07-17 Andreas Jaeger <aj@suse.de>
2396 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2399 * lcm.c (optimize_mode_switching): Avoid warning for unused
2400 variable if !NORMAL_MODE.
2402 * flow.c (try_crossjump_to_edge): Remove unused variable.
2404 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2406 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2407 atexit declaration in stdlib.h.
2409 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2411 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2413 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2415 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2416 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2417 do rebuild_jump_labels instead of jump_optimize
2418 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2419 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2420 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2422 * flow.c: Include timevar.h
2423 (find_basic_block): Push/pop timevar;
2424 (cleanup_cfg): Likewise.
2425 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2426 * Makefile: Add dependencies on timevar.h
2428 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2429 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2431 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2432 * toplev.c (rest_of_compilation): Update calls.
2433 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2434 (delete_trivially_dead_insns): ... here; accept new argument
2435 preserve_basic_blocks; preserve basic blocks if set.
2437 * reg-stack.c (stack_regs_mentioned): Return 0 if
2438 stack_regs_mentioned_data is not initialized.
2439 (reg_to_stack): Make stack_regs_mentioned survive after the
2440 reg-stack is completted; do not call cleanup_cfg.
2441 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2442 make cleanup_cfg after bb-reorder to output to debug file.
2444 2001-07-16 Richard Henderson <rth@redhat.com>
2446 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2447 from int_reg_class_contents.
2449 2001-07-16 Richard Henderson <rth@redhat.com>
2451 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2452 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2453 (init_reg_sets_1): Move initialization from cse_main.
2454 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2455 (cse_main): Move its initialization also.
2456 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2457 * flow.c (propagate_one_insn): Likewise.
2458 * gcse.c (compute_hash_table): Likewise.
2459 (compute_kill_rd, compute_store_table): Likewise.
2460 * sched-deps.c (sched_analyze_1): Likewise.
2462 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2464 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2467 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2469 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2470 in if statement so we don't access undefined memory.
2472 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2474 * gcse.c: Update comment at top.
2475 Update comment on mem handling.
2476 mem_last_set, mem_first_set, mem_set_in_block: gone.
2477 Declaration of reg_set_info: gone.
2478 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2479 pointless with load_killed_in_block_p (they are *more*
2480 conservative then it, not less, and less accurate).
2481 (oprs_not_set_p): Ditto.
2482 (alloc_gcse_mem): Don't allocate mem_set_in_block
2483 (free_gcse_mem): Don't free it, either.
2484 (record_last_mem_set_info): Update comment in front, remove
2485 mem_*set_* stuff. Note the reason we don't handle stores directly
2487 (compute_hash_table): Update comments to reflect reality. Remove
2488 mem_*set_* references.
2489 (reset_opr_set_tables): Remove mem_*set_* references.
2491 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2492 (mark_clobber): Ditto (on both parts, we double set here too).
2493 (expr_killed_p): Remove mem_set_in_block test.
2494 (compute_transp): Remove mem_set_in_block test.
2496 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2497 of edge, and removal of phi alternative to dump file.
2498 (ssa_ccp_substitute_constants): Add note about register now being
2499 constant, and which uses were replaced in what insns to dump file.
2501 2001-07-16 Andreas Jaeger <aj@suse.de>
2503 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2504 variables of type HOST_WIDEST_INT.
2506 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2507 (__bb_exit_func): Correct type of count_max to avoid overflow.
2508 (num_digits): Handle long long argument.
2510 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2512 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2514 * output.h (sdb_begin_function_line): Restore as an extern
2516 * sdbout.c (sdb_begin_function_line): Make extern.
2518 2001-07-15 Richard Henderson <rth@redhat.com>
2520 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2521 * genrecog.c (maybe_both_true_mode): New.
2522 (maybe_both_true_2): Use it.
2523 (write_switch): Don't put Pmode in a switch.
2524 * rtl.c (mode arrays): Don't explicitly size them.
2526 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2528 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2529 handling; move unconditional splitting before mode switching.
2531 * i386.md (type): Add fistp type.
2532 (i387, length_attr, scheduling definitions): Handle this type.
2533 (fix_trunc?f?i2): Revamp to use mode switching.
2534 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2535 * i386.h (fp_cw_mode): New enum
2536 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2537 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2539 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2541 * Makefile.in (integrate.o): Add debug.h.
2542 * integrate.c (debug.h): Add.
2543 (output_inline_function): Save, reset, and restore debug_hooks.
2545 2001-07-15 Richard Henderson <rth@redhat.com>
2547 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2548 instead of COMPARE for the EQUIV expression.
2550 2001-07-15 Richard Henderson <rth@redhat.com>
2552 * flow.c (redirect_edge_and_branch_force): Initialize
2553 global_live_at_start and global_live_at_end.
2554 (allocate_bb_life_data): Export.
2555 * basic-block.h (allocate_bb_life_data): Declare.
2556 * toplev.c (rest_of_compilation): Call it.
2558 2001-07-15 Richard Henderson <rth@redhat.com>
2560 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2561 (alpha_tablejump_best_label): New.
2562 * config/alpha/alpha-protos.h: Declare them.
2563 * config/alpha/alpha.md: Use braced strings for code blocks.
2564 (tablejump_osf): Break out add with r29.
2565 (tablejump_osf_internal): Remove.
2566 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2567 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2569 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2571 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2574 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2576 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2577 (ix86_fp_jump_nontrivial_p): New.
2578 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2579 use ix86_fp_jump_nontrivial_p.
2580 * i386.c (ix86_fp_jump_nontrivial_p): New.
2581 (ix86_split_fp_branch): Accept code instead of rtx.
2582 (ix86_expand_compare): Expand comparison early in case
2583 doing so is resonably cheap.
2585 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2587 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2589 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2590 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2592 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2594 * dbxout.c (dbxout_source_line): Make static, update prototype.
2595 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2596 (dbxout_init, dbxout_finish, dbxout_source_line,
2597 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2598 * dbxout.h (dbxout_source_line): Delete.
2599 * debug.c (debug_nothing_file, debug_nothing_file_int,
2600 debug_nothing_file_charstar_rtx): New.
2601 (do_nothing_debug_hooks): Update.
2602 (debug_nothing_void, debug_nothing_charstar_rtx,
2603 dwarf2out_end_epilogue): New.
2604 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2605 * debug.h (struct rtx_def): Declare.
2606 (gcc_debug_hooks): New hooks source_line, end_epilogue
2608 (debug_nothing_void, debug_nothing_charstar_rtx,
2609 dwarf2out_end_epilogue): New.
2610 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2611 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2612 (dwarf2_debug_hooks): Update.
2613 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2614 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2615 * dwarf2out.h (dwarf2out_source_line): Remove.
2616 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2617 Make static, update prototype.
2618 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2619 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2620 (dwarf_debug_hooks): Update.
2621 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2622 dwarfout_end_function): Remove.
2623 * final.c (profile_function): Use debug hooks for ending functions
2625 (output_source_line, final_end_function): Update prototype,
2627 (final_start_function, final_scan_insn): Update.
2628 * output.h (sdb_begin_function_line): Remove.
2629 (final_end_function): Update prototype.
2630 * sdbout.c (sdb_begin_function_line): Make static.
2631 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2632 (sdbout_source_line): New.
2633 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2635 (sdb_debug_hooks): Update.
2636 (sdbout_init, sdbout_source_line,
2637 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2638 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2639 * toplev.c (compile_file, rest_of_compilation): Update.
2640 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2641 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2642 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2643 Update for prototype changes.
2644 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2645 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2647 2001-07-15 Richard Henderson <rth@redhat.com>
2649 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2650 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2651 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2652 * config/alpha/alpha.c: Likewise.
2653 * config/alpha/alpha.md: Likewise.
2654 * config/alpha/alpha32.h: Likewise.
2655 * config/alpha/vms.h: Likewise.
2658 2001-07-14 Richard Henderson <rth@redhat.com>
2660 * config/alpha/alpha.md: Use define_constants for unspec values.
2661 Substitute throughout.
2663 2001-07-14 Tim Josling <tej@melbpc.org.au>
2665 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2667 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2669 * pa.md: Remove unused constraints from define_split's.
2671 2001-04-14 Richard Henderson <rth@redhat.com>
2673 * ifcvt.c (find_cond_trap): Test for exit block.
2675 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2677 Re-install recently reverted patch.
2678 * emit-rtl.c (try_split): Update mark_jump_label call.
2679 * flow.c (find_sub_basic_blocks): Likewise.
2680 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2682 (mark_all_labels): Kill second parameter.
2683 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2684 (rebuild_jump_labels, jump_optimize_minimal): Update call
2686 (jump_optimize_1): Kill crossjumping code.
2687 (mark_jump_label): Kill cross_jump parameter.
2688 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2689 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2690 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2692 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2694 (dump_file_info): Likewise.
2695 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2696 reorganize passes to do reg-stack first, bb-reorder second.
2697 * invoke.texi (-d letters doc): Remove the jump2 pass.
2699 2001-07-14 Richard Henderson <rth@redhat.com>
2701 * ifcvt.c (find_cond_trap): New.
2702 (find_if_header): Call it.
2703 (merge_if_block): Relax existing jump sanity check.
2704 * jump.c (jump_optimize_1): Remove conditional trap handling.
2706 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2708 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2710 (insn_refs_are_delayed): Correct comment.
2711 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2712 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2713 instead of r31. Make associated insn !TARGET_64BIT, and
2714 provide an additional 64-bit insn that clobbers r2.
2716 (udivsi3): Likewise.
2718 (umodsi3): Likewise.
2720 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2722 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2724 * flow.c (redirect_edge_and_branch_force, split_edge,
2725 try_crossjump_to_edge): Use set_block_for_new_insns.
2726 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2728 2001-07-13 H.J. Lu (hjl@gnu.org)
2730 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2733 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2735 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2737 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2739 * c-common.c (decl_attributes): Take a pointer to the node to
2740 which attributes are to be attached, and a flags argument.
2741 * c-common.h (enum attribute_flags): New.
2742 (decl_attributes): Update prototype.
2743 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2744 finish_enum, start_function): Update calls to decl_attributes.
2745 * c-parse.in (component_declarator, component_notype_declarator,
2746 label): Update calls to decl_attributes.
2748 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2750 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2751 * config/avr/avr.c (legitimate_address_p): Return value changed
2752 from letter to register classes. For better debugging.
2754 2001-07-13 Kazu Hirata <kazu@hxi.com>
2756 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2758 2001-07-13 H.J. Lu (hjl@gnu.org)
2760 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2762 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2764 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2765 correctly for shared configurations.
2766 * config/t-libgcc-pic: New.
2767 * config/{i386,m68k,sparc}/t-openbsd: New.
2768 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2769 Support -shared. Support debugging libraries with -g.
2770 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2771 frame information does not emit pointer diffs.
2772 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2775 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2777 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2779 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2781 * combine.c (try_combine): Ensure const_int pow2 is positive.
2783 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2785 * config.gcc: Add configuration for s/390.
2786 * config/s390/s390.c: New. Subroutines for code generation.
2787 * config/s390/s390.h: New. Definitions for s/390.
2788 * config/s390/s390-protos.h: New. Prototypes.
2789 * config/s390/linux.h: New. Definitions for linux for s/390.
2790 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2791 * config/s390/t-linux: New. Makefile fragment.
2792 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2793 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2795 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2797 * emit-rtl.c (try_split): Update mark_jump_label call.
2798 * flow.c (find_sub_basic_blocks): Likewise.
2799 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2801 (mark_all_labels): Kill second parameter.
2802 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2803 (rebuild_jump_labels, jump_optimize_minimal): Update call
2805 (jump_optimize_1): Kill crossjumping code.
2806 (mark_jump_label): Kill cross_jump parameter.
2807 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2808 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2809 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2811 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2813 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2814 reorganize passes to do reg-stack first, bb-reorder second.
2815 * invoke.texi (-d letters doc): Remove the jump2 pass.
2817 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2819 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2821 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2823 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2825 (verify_flow_info): Make diagnostics prettier.
2827 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2829 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2831 * flow.c (outgoing_edges_match): Return early if condition reversal
2834 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2836 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2837 (mips_move_2words): When splitting a move into two instructions,
2838 prefix the second address operand with '%D'.
2840 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2842 * Makefile.in (final.o): Depend on debug.h.
2843 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2844 (dbx_debug_hooks): Add new hooks.
2845 (xcoff_debug_hooks): New.
2846 * debug.c (debug_nothing_file_int_int): New.
2847 (do_nothing_debug_hooks): Update.
2848 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2849 (debug_nothing_file_int_int): New.
2850 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2851 static, update prototype.
2852 (dwarf2_debug_hooks): Update.
2853 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2854 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2855 static, update prototype.
2856 (dwarf_debug_hooks): Update.
2857 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2858 * final.c: Include debug.h.
2859 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2860 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2861 static, update prototype.
2862 (sdb_debug_hooks): Update.
2863 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2864 * toplev.c: Distinguish between xcoff and dbx.
2866 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2867 Call all debug hooks, not just dwarf ones.
2869 2001-07-11 Timothy Wall <twall@redhat.com>
2871 * config.gcc: Add configuration for AIX5/IA64.
2872 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2873 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2874 support prefix/suffix code.
2875 * config/ia64/t-aix: New. Makefile fragment.
2876 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2878 2001-07-11 Kazu Hirata <kazu@hxi.com>
2880 * recog.c (validate_change): Fix a comment typo.
2882 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2884 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2885 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2887 * dbxout.c (dbx_debug_hooks): Add new hooks.
2888 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2890 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2892 * dbxout.h (dbxout_start_new_source_file,
2893 dbxout_resume_previous_source_file): Delete.
2894 * debug.c (do_nothing_debug_hooks): Add new hooks.
2895 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2896 (debug_nothing_int_charstar, debug_nothing_int): New.
2897 * debug.h (gcc_debug_hooks): New hooks define, undef,
2898 start_source_file and end_source_file.
2899 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2900 (debug_nothing_int_charstar, debug_nothing_int): New.
2901 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2902 the conditionally compiled section.
2903 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2904 dwarf2out_define, dwarf2out_undef): Make static.
2905 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2906 dwarf2out_define, dwarf2out_undef): Remove.
2907 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2908 (dwarfout_start_source_file, dwarfout_end_source_file,
2909 dwarfout_define, dwarfout_undef): Make static.
2910 (dwarfout_start_source_file_check,
2911 dwarfout_end_source_file_check): New.
2912 (dwarfout_define, dwarfout_finish): Update.
2913 * dwarfout.h (dwarfout_start_new_source_file,
2914 dwarfout_resume_previous_source_file, dwarfout_define,
2915 dwarfout_undef): Remove.
2916 * sdbout.c (sdb_debug_hooks): Add new hooks.
2917 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2919 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2920 make static, take an arg.
2921 * sdbout.h (sdbout_start_new_source_file,
2922 sdbout_resume_previous_source_file): Delete.
2923 * toplev.c (debug_start_source_file, debug_end_source_file,
2924 debug_define, debug_undef): Delete.
2925 * toplev.h (debug_start_source_file, debug_end_source_file,
2926 debug_define, debug_undef): Delete.
2928 * java/jcf-parse.c: Include debug.h.
2929 (parse_class_file): Update to use debug hooks directly.
2930 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2932 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2934 * alias.c (set_mem_alias_set): New function.
2935 * rtl.h (set_mem_alias_set): Declare it.
2936 * builtins.c (expand_builtin_return_addr): Call it instead of
2937 using MEM_ALIAS_SET accessor.
2938 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2939 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2940 (expand_builtin_va_copy):Likewise.
2941 * caller-save.c (setup_save_areas): Likewise.
2942 * calls.c (compute_argument_addresses): Likewise.
2943 * explow.c (set_mem_attributes): Likewise.
2944 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2945 (expand_assignment, store_constructor_field, store_field): Likewise.
2946 (expand_expr_unaligned): Likewise.
2947 * function.c (assign_stack_temp_for_type): Likewise.
2948 (put_reg_into_stack, gen_mem_addressof): Likewise.
2949 * ifcvt.c (noce_try_cmove_arith): Likewise.
2950 * reload1.c (reload, alter_reg): Likewise.
2951 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2952 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2953 (alpha_expand_unaligned_store): Likewise
2954 (alpha_expand_unaligned_load_words): Likewise.
2955 (alpha_expand_unaligned_store_words): Likewise.
2956 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2957 (alpha_expand_epilogue): Likewise.
2958 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2959 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2960 * config/i386/i386.c (legitimize_pic_address): Likewise.
2961 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2962 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2963 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2964 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2965 * config/mips/mips.c (mips_va_arg): Likewise.
2966 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2967 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2968 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2969 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2970 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2971 (rs6000_emit_epilogue): Likewise.
2972 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2973 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2974 * config/v850/v850.c (v850_va_arg): Likewise.
2976 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2978 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2979 when fallthru edge is present.
2980 (mege_blocks): Handle case where creation of jump insn
2983 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2984 CLEANUP_POST_REGSTACK): New constants.
2985 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2986 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2987 * output.h (cleanup_cfg): Update prototype.
2988 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2989 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2990 cleanup_cfg call; kill missleading comment.
2991 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2992 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2993 parameter; control optimizations performed using it.
2994 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2995 try_crossjump_bb): New functions.
2997 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2999 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3001 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3002 pa_output_function_prologue.
3003 * pa-protos.h (pa_output_function_prologue): New prototype.
3005 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3007 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3008 and low to get correct sign extension in low+high test.
3010 2001-07-11 Janis Johnson <janis@us.ibm.com>
3012 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3013 for large hit count.
3015 * profile.c (branch_prob): Fix .bbg info for computed gotos
3018 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3020 * stmt.c (parse_output_constraint): New function, split out
3022 (expand_asm_operands): ... here. Use parse_output_constraint.
3023 * tree.h (parse_output_constraint): Declare it.
3025 2001-07-11 Richard Henderson <rth@redhat.com>
3027 * bitmap.c: Comment some functions; fiddle whitespace.
3028 (bitmap_free): Don't export.
3029 (bitmap_element_allocate): Use memset.
3030 * bitmap.h (bitmap_free): Don't declare.
3032 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3034 * gcse.c, lcm.c, sched-deps.c:
3035 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3037 * flow.c (flow_loops_find): Free dom if we found no loops, since
3038 we aren't going to save it.
3040 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3043 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3045 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3047 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3049 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3050 #ifndef DWARF2_DEBUGGING_INFO.
3052 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3054 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3056 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3058 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3059 reverse a branch if a NE comparison is implemented with GTU.
3061 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3062 H.J. Lu <hjl@gnu.org>
3064 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3066 (call_internal2): Likewise.
3067 (call_value_internal1): Likewise.
3068 (call_value_internal2): Likewise.
3069 (call_value_multiple_internal1): Likewise.
3070 (call_value_multiple_internal2): Likewise.
3072 2001-07-10 Kazu Hirata <kazu@hxi.com>
3074 * calls.c (emit_library_call_value_1): Fix a comment typo.
3075 * dwarf2out.c (mem_loc_descriptor): Likewise.
3076 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3078 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3080 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3082 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3084 * recog.c (offsettable_address_p): Handle LO_SUM case.
3085 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3086 instead of plus_constant.
3088 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3090 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3091 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3093 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3095 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3096 adjust_address_nv instead of plus_constant.
3098 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3100 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3101 dwarf2out.o): Depend on debug.h, wrap long lines.
3102 * dbxout.c: Include debug.h.
3103 (dbx_debug_hooks): New.
3104 (dbxout_init): Make static, take just 2 args.
3105 (dbxout_finish): Make static.
3106 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3107 * debug.c: New file.
3108 * debug.h: New file.
3109 * dwarf2out.c: Include debug.h.
3110 (dwarf2_debug_hooks): New.
3111 (dwarf2out_init): Make static.
3112 (dwarf2out_finish): Make static, take 2 args.
3113 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3114 * dwarfout.c: Include debug.h.
3115 (dwarf_debug_hooks): New.
3116 (dwarfout_init): Make static.
3117 (dwarfout_finish): Make static, take 2 args.
3118 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3119 * sdbout.c: Include debug.h.
3120 (sdb_debug_hooks): New.
3121 (sdbout_init): Make static, take 2 args.
3122 * sdbout.h (sdbout_init): Delete.
3123 * toplev.c: Include debug.h.
3125 (compile_file): Set deubg_hooks based on command line options.
3126 Use the hooks unconditionally rather than conditional compilation.
3128 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3130 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3131 first_insn_after_basic_block_note instead.
3133 * df.c (df_bb_refs_unlink): #if 0 out for now.
3135 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3137 * ssa.h: Add prototype for ssa_const_prop
3138 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3139 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3140 (ssa_fast_dce): Remove unused variable
3142 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3144 * diagnostic.c (finish_diagnostic): Rename to
3145 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3148 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3150 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3153 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3154 (dump_file): Only pad the demangled name with spaces if the
3155 mangled name was padded with spaces.
3157 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3159 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3162 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3164 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3165 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3168 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3169 whether can put offset inside LO_SUM to check mode alignment, not size.
3171 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3173 * doc/tm.texi (Misc): Fix thinko.
3175 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3177 * regmove.c (replace_in_call_usage): Fix warnings.
3178 * sched-deps.c (add_dependence): Fix warnings.
3179 * simplify-rtx.c (simplify_subreg): Likewise.
3180 Return NULL_RTX instead of NULL.
3182 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3183 (subst_asm_stack_regs): Likewise.
3185 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3188 * dwarf2out.c (output_call_frame_info): Declare i as int.
3189 (build_abbrev_table): Declare n_alloc as int.
3190 (dwarf2out_finish): Initialize die.
3191 * except.c: Declare sjlj_funcdef_number as unsigned.
3192 (connect_post_landing_pads): Declare j as unsigned.
3193 (convert_to_eh_region_ranges): Initialize call_site.
3194 (output_function_exception_table): Initialize tt_format_size.
3195 * expr.c (move_by_pieces_1): Initialize to1.
3196 (store_constructor): Initialize minelt and maxelt.
3197 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3198 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3200 * c-decl.c (combine_parm_decls): Unused, remove.
3201 * c-tree.h: Remove prototype for combine_parm_decls.
3203 * reload.c (push_reload): Fix warning.
3204 (regno_clobbered_p): Likewise.
3205 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3206 (reload_combine): Likewise.
3208 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3209 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3211 * bitmap.c (bitmap_operation): Change user.
3212 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3214 2001-07-10 Eric Christopher <echristo@redhat.com>
3216 * config/mips/mips.c (override_options): Fix typo.
3218 2001-07-09 Stan Shebs <shebs@apple.com>
3220 * target.h (struct gcc_target): New fields init_builtins and
3222 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3223 (TARGET_EXPAND_BUILTIN): New macro.
3224 (TARGET_INITIALIZER): Add them.
3225 * builtins.c: Include target.h.
3226 (expand_builtin): Use targetm.expand_builtin.
3227 (default_init_builtins): New function.
3228 (default_expand_builtin): New function.
3229 * expr.h (default_init_builtins): Declare.
3230 (default_expand_builtin): Declare.
3231 * c-common.c (c_common_nodes_and_builtins): Use
3232 targetm.init_builtins.
3233 * defaults.h (MD_INIT_BUILTINS): Remove.
3234 * Makefile.in (builtins.o): Depend on target.h.
3236 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3237 (TARGET_EXPAND_BUILTIN): Define.
3238 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3239 (MD_EXPAND_BUILTIN): Remove.
3241 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3242 (TARGET_EXPAND_BUILTIN): Define.
3243 (c4x_init_builtins): Make endlink arg a local.
3244 (c4x_print_operand): Fix typos in adjust_address usages.
3245 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3246 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3247 (MD_EXPAND_BUILTIN): Remove.
3249 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3250 (TARGET_EXPAND_BUILTIN): Define.
3251 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3252 (ix86_init_builtins): Call new function only if TARGET_MMX.
3253 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3254 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3255 (MD_EXPAND_BUILTIN): Remove.
3257 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3258 (TARGET_EXPAND_BUILTIN): Define.
3259 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3260 (MD_EXPAND_BUILTIN): Remove.
3262 * doc/tm.texi: Document these changes.
3264 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3266 * basic-block.h (tree_node): Forward declare if needed.
3267 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3268 (BLOCK_HEAD_TREE): Define.
3269 (BLOCK_END_TREE): Define.
3270 (struct loops): Rename field 'tree' to 'tree_root'.
3271 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3273 (flow_loops_tree_build): Rename reference to field 'tree' to
3275 (flow_loops_level_compute): Ditto.
3276 * predict.c (estimate_bb_frequencies): Ditto.
3277 * tree.h (struct tree_common): Add field 'aux'.
3279 2001-07-09 Stan Shebs <shebs@apple.com>
3281 * config/darwin.c (darwin_encode_section_info): Don't mark any
3282 DECL_EXTERNAL node as defined.
3284 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3286 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3287 pa_free_machine_status, hppa_init_pic_save): Delete.
3288 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3289 (hppa_profile_hook): Use hppa_pic_save_rtx.
3290 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3291 hppa_init_pic_save): Delete.
3292 (hppa_pic_save_rtx): Declare.
3293 * pa.md (call, call_value, sibcall, sibcall_value,
3294 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3296 2001-07-09 Kazu Hirata <kazu@hxi.com>
3298 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3299 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3301 2001-07-09 Andreas Jaeger <aj@suse.de>
3303 * output.h: Add declaration of final_forward_branch_p.
3305 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3307 * varray.c: Include errors.h for internal_error and trim_filename
3310 * Makefile.in (varray.o): Add errors.h.
3312 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3314 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3315 * optabs.c (have_add2_insn): Check whether the add insn chosen
3316 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3317 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3319 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3321 * Makefile.in (OBJS): Add ssa-ccp.o
3322 (ssa-ccp.o): Add dependencies.
3323 * toplev.c (DFI_ssa_ccp): New dump file enum.
3324 (dump_file): Add entry for dumping after SSA CCP.
3325 (flag_ssa_ccp): New flag variable.
3326 (f_options): Add -fssa-ccp.
3327 (rest_of_compilation): Run SSA CCP if requested.
3328 * timevar.def (TV_SSA_CCP): New timevar.
3329 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3330 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3331 Fix minor typo in SSA DCE documentation.
3332 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3333 Add documentation for new dump option. Renumber dump files
3336 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3338 * emit-rtl.c (gen_highpart_mode): New.
3339 * rtl.h (gen_highpart_mode): Declare.
3340 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3341 operand can be VOIDmode constant.
3343 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3345 * flow.c (redirect_edge_and_branch_force): New.
3346 (can_fallthru): Ensure that basic blocks are succeeding.
3347 (try_optimize_cfg): Do not delete basic block if it is the last one.
3349 * flow.c (try_redirect_by_replacing_jump): Do not remove
3350 jumps with side effects, unlink chain on fallthru edge;
3351 set block for new jump instruction; avoid basic block to
3352 over by line number note.
3354 * flow.c (try_simplify_condjump): Verify that the condjump
3355 is not always falling trought.
3358 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3360 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3361 (try_redirect_by_replacing_jump): Update properly the count
3362 and frequency information.
3364 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3366 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3367 address that is a LO_SUM specially.
3368 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3370 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3372 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3373 (operand_subword): Use them.
3374 (change_address_1): Renamed from change_address; new arg VALIDATE.
3375 * expr.h: Reflect above changes; change_address now macro.
3376 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3378 * cselib.c (add_mem_for_addr): Likewise.
3379 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3380 * regmove.c (try_apply_stack_adjustment): Likewise.
3381 * reload.c (push_reload, make_memloc): Likewise.
3382 * reload1.c (eliminate_regs): Likewise.
3383 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3384 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3386 * combine.c (make_extraction, simplify_shift_const): Likewise.
3387 (gen_lowpart_for_combine): Likewise.
3388 * cse.c (gen_lowpart_if_possible): Likewise.
3389 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3390 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3391 * optabs.c (gen_move_insn): Likewise.
3392 * reload1.c (alter_reg): Likewise.
3393 * simplify-rtx.c (simplify_subreg): Likewise.
3394 * stmt.c (expand_anon_union_decl): Likewise.
3395 * recog.c (validate_replace_rtx_1): Likewise.
3397 * Makefile.in (recog.o): Add $(EXPR_H).
3398 * explow.c (stabilize): Call replace_equiv_address.
3399 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3400 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3402 2001-07-03 Andrew Haley <aph@redhat.com>
3404 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3405 the mode of the memory location.
3407 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3409 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3411 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3413 * final.c (output_addr_const): Use target opening and
3414 closing parentheses.
3415 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3416 defaults, add to TARGET_ASM_OUT.
3417 * target.h (struct gcc_target): Add open_paren and close_paren.
3418 * doc/md.texi: Update.
3419 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3420 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3421 TARGET_ASM_CLOSE_PAREN.
3422 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3424 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3426 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3427 * config/a29k/a29k.h: Similarly.
3428 * config/alpha/alpha.h: Similarly.
3429 * config/arc/arc.h: Similarly.
3430 * config/arm/aof.h: Similarly.
3431 * config/arm/aout.h: Similarly.
3432 * config/avr/avr.h: Similarly.
3433 * config/c4x/c4x.h: Similarly.
3434 * config/clipper/clipper.h: Similarly.
3435 * config/convex/convex.h: Similarly.
3436 * config/d30v/d30v.h: Similarly.
3437 * config/dsp16xx/dsp16xx.h: Similarly.
3438 * config/elxsi/elxsi.h: Similarly.
3439 * config/fr30/fr30.h: Similarly.
3440 * config/h8300/h8300.h: Similarly.
3441 * config/i370/i370.h: Similarly.
3442 * config/i386/i386.h: Similarly.
3443 * config/i860/i860.h: Similarly.
3444 * config/i960/i960.h: Similarly.
3445 * config/ia64/ia64.h: Similarly.
3446 * config/m32r/m32r.h: Similarly.
3447 * config/m68hc11/m68hc11.h: Similarly.
3448 * config/m68k/m68k.h: Similarly.
3449 * config/m88k/m88k.h: Similarly.
3450 * config/mcore/mcore.h: Similarly.
3451 * config/mips/mips.h: Similarly.
3452 * config/mn10200/mn10200.h: Similarly.
3453 * config/mn10300/mn10300.h: Similarly.
3454 * config/ns32k/ns32k.h: Similarly.
3455 * config/pa/pa.h: Similarly.
3456 * config/pdp11/pdp11.h: Similarly.
3457 * config/pj/pj.h: Similarly.
3458 * config/romp/romp.h: Similarly.
3459 * config/rs6000/rs6000.h: Similarly.
3460 * config/sh/sh.h: Similarly.
3461 * config/sparc/sparc.h: Similarly.
3462 * config/v850/v850.h: Similarly.
3463 * config/vax/vax.h: Similarly.
3464 * config/we32k/we32k.h: Similarly.
3466 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3468 * doc/c-tree.texi: Document representation of attributes.
3470 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3472 * doc/tm.texi: Update some places for the rename of target to
3475 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3477 * target.h (struct gcc_target): Add insert_attributes.
3478 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3479 (TARGET_INITIALIZER): Update.
3480 * tree.c, tree.h (default_insert_attributes): New function.
3481 Update comments on other default functions to refer to targetm,
3483 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3484 TARGET_INSERT_ATTRIBUTES.
3485 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3486 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3487 Don't use PRAGMA_INSERT_ATTRIBUTES.
3488 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3489 * c-decl.c (start_decl, start_function): Don't call
3490 SET_DEFAULT_DECL_ATTRIBUTES.
3491 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3492 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3494 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3495 (c4x_check_attribute): Avoid modifying attribute list itself.
3496 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3498 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3499 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3501 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3502 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3504 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3505 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3507 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3508 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3509 Adjust parameters. Make static.
3511 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3513 * c-common.c (decl_attributes): Only take a single attributes
3515 * c-common.h (decl_attributes): Update prototype.
3516 * c-decl.c (start_decl, start_function): Only take a single
3517 attributes parameter. Update calls to decl_attributes.
3518 (finish_struct, finish_enum): Update calls to decl_attributes.
3519 (push_parm_decl): Expect unified list of attributes. Update call
3521 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3522 notype_nested_function, component_declarator,
3523 component_notype_declarator, label): Update calls to
3525 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3526 lists that are passed to push_parm_decl.
3527 * c-tree.h (start_function, start_decl): Update prototypes.
3528 * config/sh/sh-protos.h, config/sh/sh.c
3529 (sh_pragma_insert_attributes): Only take a single attributes
3531 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3532 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3533 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3534 build_module_descriptor, generate_static_references,
3535 generate_strings, build_selector_translation_table,
3536 generate_descriptor_table, generate_protocols,
3537 generate_ivars_list, generate_dispatch_table,
3538 generate_protocol_list, generate_category,
3539 generate_shared_structures, really_start_method, add_objc_decls,
3540 generate_classref_translation_entry): Update calls to start_decl
3542 (build_tmp_function_decl, start_method_def): Unify attribute lists
3543 that are passed to push_parm_decl.
3545 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3547 * final.c (no_asm_to_stream): New.
3548 (final_scan_insn): Use target structures for prologue ends
3549 and epilogue starts.
3550 * output.h (no_asm_to_stream): New.
3551 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3552 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3553 (TARGET_ASM_OUT): Update.
3554 * target.h (struct gcc_target): New members function_end_prologue
3555 and function_begin_epilogue.
3556 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3557 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3558 * config/alpha/alpha.c (output_end_prologue): Rename to
3559 alpha_output_function_end_prologue. Use in target struct
3561 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3562 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3563 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3564 ia64_output_function_end_prologue. Use in target struct
3566 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3567 mistyped prototypes.
3568 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3569 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3571 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3572 an use in target struct, make static.
3573 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3576 2001-07-08 Richard Henderson <rth@redhat.com>
3578 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3580 2001-07-08 Richard Henderson <rth@redhat.com>
3582 * config/i386/i386.md: Remove constraints strings from define_split
3583 and define_peephole2 patterns.
3584 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3585 (eh_return): Use them.
3587 2001-07-08 Richard Henderson <rth@redhat.com>
3589 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3590 Document MD_FALLBACK_FRAME_STATE_FOR.
3592 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3594 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3595 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3597 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3599 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3601 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3602 of the label inside NAME as opposed to just the end of NAME.
3604 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3606 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3607 * config/alpha/alpha.c (alpha_init_machine_status,
3608 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3609 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3610 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3611 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3613 2001-07-06 Stan Shebs <shebs@apple.com>
3615 * target.h (targetm): Rename global from "target", so as not to
3616 conflict with local variables.
3618 * c-typeck.c: Ditto.
3622 * cp/decl2.c: Ditto.
3623 * cp/typeck.c: Ditto.
3624 * 1750a/1750a.c: Ditto.
3625 * a29k/a29k.c: Ditto.
3629 * clipper/clipper.c: Ditto.
3630 * convex/convex.c: Ditto.
3631 * d30v/d30v.c: Ditto.
3632 * dsp16xx/dsp16xx.c: Ditto.
3633 * elxsi/elxsi.c: Ditto.
3634 * fr30/fr30.c: Ditto.
3635 * h8300/h8300.c: Ditto.
3636 * i370/i370.c: Ditto.
3637 * i386/i386.c: Ditto.
3638 * i860/i860.c: Ditto.
3639 * i960/i960.c: Ditto.
3640 * ia64/ia64.c: Ditto.
3641 * m32r/m32r.c: Ditto.
3642 * m68hc11/m68hc11.c: Ditto.
3643 * m68k/m68k.c: Ditto.
3644 * m88k/m88k.c: Ditto.
3645 * mips/mips.c: Ditto.
3646 * ns32k/ns32k.c: Ditto.
3648 * pdp11/pdp11.c: Ditto.
3649 * romp/romp.c: Ditto.
3650 * rs6000/rs6000.c: Ditto.
3652 * sparc/sparc.c: Ditto.
3654 * we32k/we32k.c: Ditto.
3655 * doc/tm.texi: Update the manual to match.
3657 2001-07-06 Richard Henderson <rth@redhat.com>
3659 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3660 DWARF2_UNWIND_INFO not just whether it is defined.
3662 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3664 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3665 call to simplify_binary_operation returns a new pattern.
3667 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3669 * glimits.h (__SHRT_MAX__): New.
3670 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3671 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3673 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3675 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3678 2001-07-06 Richard Henderson <rth@redhat.com>
3680 * bitmap.c (bitmap_release_memory): Move adjacent to the
3681 allocation functions.
3682 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3683 the implementation. Binary search for the set bit.
3684 (bitmap_union_of_diff): Allocate the temporary on the stack
3685 instead of using xmalloc.
3687 2001-07-06 Richard Henderson <rth@redhat.com>
3689 * genrecog.c (validate_pattern): Warn for constraints in
3690 define_{expand,split,peephole2}. Remove strict_low_part
3691 before looking up match_dup.
3693 2001-07-06 DJ Delorie <dj@redhat.com>
3695 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3696 chapter about various build hints and history. Add section
3697 talking about the various types of native and cross builds.
3699 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3701 * Makefile.in (final.o): Depend on target.h.
3702 * final.c: Include target.h.
3703 (default_function_pro_epilogue): New.
3704 (final_start_function): Use target structure for function prologues.
3705 (final_end_function): Use target structure for function epilogues.
3706 * fold-const.c (real_hex_to_f): Constify s and p.
3707 * output.h (default_function_pro_epilogue): New.
3708 * real.h (real_hex_to_f): Update prototype.
3709 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3710 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3711 (TARGET_INITIALIZER): Update.
3712 * target.h (gcc_target): Add struct asm_out.
3713 * doc/tm.texi: Update.
3716 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3717 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3718 in cpu/cpu.c, or rename old functions consistently. Take
3719 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3720 redundant macros and prototypes. Make new functions static.
3722 * 1750a/1750a.c: Similarly.
3723 * 1750a/1750a.h: Similarly.
3724 * a29k/a29k-protos.h: Similarly.
3725 * a29k/a29k.c: Similarly.
3726 * a29k/a29k.h: Similarly.
3727 * arc/arc-protos.h: Similarly.
3728 * arc/arc.c: Similarly.
3729 * arc/arc.h: Similarly.
3730 * arm/arm-protos.h: Similarly.
3731 * arm/arm.c: Similarly.
3732 * arm/arm.h: Similarly.
3733 * avr/avr-protos.h: Similarly.
3734 * avr/avr.c: Similarly.
3735 * avr/avr.h: Similarly.
3736 * clipper/clipper-protos.h: Similarly.
3737 * clipper/clipper.c: Similarly.
3738 * clipper/clipper.h: Similarly.
3739 * convex/convex.c: Similarly.
3740 * convex/convex.h: Similarly.
3741 * d30v/d30v-protos.h: Similarly.
3742 * d30v/d30v.c: Similarly.
3743 * d30v/d30v.h: Similarly.
3744 * d30v/d30v.md: Similarly.
3745 * dsp16xx/dsp16xx-protos.h: Similarly.
3746 * dsp16xx/dsp16xx.c: Similarly.
3747 * dsp16xx/dsp16xx.h: Similarly.
3748 * elxsi/elxsi.c: Similarly.
3749 * elxsi/elxsi.h: Similarly.
3750 * fr30/fr30.c: Similarly.
3751 * fr30/fr30.md: Similarly.
3752 * h8300/h8300-protos.h: Similarly.
3753 * h8300/h8300.c: Similarly.
3754 * h8300/h8300.h: Similarly.
3755 * i370/i370-protos.h: Similarly.
3756 * i370/i370.c: Similarly.
3757 * i370/i370.h: Similarly.
3758 * i386/i386.c: Similarly.
3759 * i386/osf1elf.h: Similarly.
3760 * i386/osfrose.h: Similarly.
3761 * i860/i860-protos.h: Similarly.
3762 * i860/i860.c: Similarly.
3763 * i860/i860.h: Similarly.
3764 * i960/i960-protos.h: Similarly.
3765 * i960/i960.c: Similarly.
3766 * i960/i960.h: Similarly.
3767 * ia64/ia64-protos.h: Similarly.
3768 * ia64/ia64.c: Similarly.
3769 * ia64/ia64.h: Similarly.
3770 * m32r/m32r-protos.h: Similarly.
3771 * m32r/m32r.c: Similarly.
3772 * m32r/m32r.h: Similarly.
3773 * m68hc11/m68hc11-protos.h: Similarly.
3774 * m68hc11/m68hc11.c: Similarly.
3775 * m68hc11/m68hc11.h: Similarly.
3776 * m68k/crds.h: Similarly.
3777 * m68k/dpx2.h: Similarly.
3778 * m68k/m68k-protos.h: Similarly.
3779 * m68k/m68k.c: Similarly.
3780 * m68k/m68k.h: Similarly.
3781 * m68k/news.h: Similarly.
3782 * m88k/m88k-protos.h: Similarly.
3783 * m88k/m88k.c: Similarly.
3784 * m88k/m88k.h: Similarly.
3785 * mips/mips-protos.h: Similarly.
3786 * mips/mips.c: Similarly.
3787 * mips/mips.h: Similarly.
3788 * ns32k/merlin.h: Similarly.
3789 * ns32k/ns32k.c: Similarly.
3790 * ns32k/ns32k.h: Similarly.
3791 * ns32k/tek6000.h: Similarly.
3792 * pa/pa-protos.h: Similarly.
3793 * pa/pa.c: Similarly.
3794 * pa/pa.h: Similarly.
3795 * pdp11/2bsd.h: Similarly.
3796 * pdp11/pdp11-protos.h: Similarly.
3797 * pdp11/pdp11.c: Similarly.
3798 * pdp11/pdp11.h: Similarly.
3799 * romp/romp-protos.h: Similarly.
3800 * romp/romp.c: Similarly.
3801 * romp/romp.h: Similarly.
3802 * rs6000/rs6000-protos.h: Similarly.
3803 * rs6000/rs6000.c: Similarly.
3804 * rs6000/rs6000.h: Similarly.
3805 * rs6000/sysv4.h: Similarly.
3806 * sh/sh-protos.h: Similarly.
3807 * sh/sh.c: Similarly.
3808 * sh/sh.h: Similarly.
3809 * sparc/sparc-protos.h: Similarly.
3810 * sparc/sparc.c: Similarly.
3811 * sparc/sparc.h: Similarly.
3812 * vax/vax.c: Similarly.
3813 * vax/vax.h: Similarly.
3814 * vax/vms.h: Similarly.
3815 * we32k/we32k.c: Similarly.
3816 * we32k/we32k.h: Similarly.
3818 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3820 * basic-block.h (first_insn_after_basic_block_note): Declare.
3821 * flow.c (first_insn_after_basic_block_note): Define. Moved
3823 * ssa.c (first_insn_after_basic_block_note): Remove.
3824 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3826 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3827 nodes when we find a dead conditional branch. Insert BARRIERs
3828 after any blocks with no successors, but which do not have
3831 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3833 * varray.c (varray_check_failed): Use internal_error.
3835 2001-07-05 Andrew Haley <aph@redhat.com>
3837 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3838 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3839 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3841 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3843 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3844 reference if the target constant is also a SYMBOL_REF.
3846 2001-07-05 Eric Christopher <echristo@redhat.com>
3848 * config/mips/mips.h (MASK_MIPS3900): Remove.
3849 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3850 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3851 (TARGET_MIPS3900): Change to use mips_arch.
3852 (TARGET_MIPS4000): New.
3853 (TARGET_MIPS4100): New.
3854 (TARGET_MIPS4300): New.
3855 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3856 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3858 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3859 (ISA_HAS_BRANCHLIKELY): To here.
3860 (CC1_CPU_SPEC): New.
3861 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3862 (mips_arch_string): Declare.
3863 (mips_arch): Declare.
3864 (TARGET_OPTIONS): Add -march and -mtune.
3866 * config/mips/mips.c (mips_arch_string): New.
3868 (override_options): Handle -march for codegen and -mtune
3869 for scheduling. Use mips_arch. Move tx39 target default here.
3870 (mips_parse_cpu): Move error message to override_options.
3872 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3874 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3876 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3877 (MIPS Options): Ditto. Change mcpu entry to historical text.
3879 2001-07-05 H.J. Lu (hjl@gnu.org)
3881 * config/mips/mips.c (mips_parse_cpu): New function to parse
3884 2001-07-05 Jim Wilson <wilson@redhat.com>
3886 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3887 * config/ia64/t-ia64: Likewise.
3888 (LIB1ASMFUNCS): Update comment.
3890 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3892 * doc/install.texi (Install GCC: Binaries): Fix typo.
3894 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3896 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3897 reference using the stack pointer, adjust it since we push Y
3899 ("*ashrsi3"): Likewise.
3900 ("*lshrsi3"): Likewise.
3902 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3904 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3905 when -fomit-frame-pointer is used.
3907 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3909 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3910 (try_redirect_by_replacing_jump): Reverse updating properly the
3911 count and frequency information. Reverse removing cc0 setter.
3912 (forwarder_block_p): Reverse fixing for fallthru blocks.
3914 2001-07-05 DJ Delorie <dj@redhat.com>
3916 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3917 (translate_options): If the above is defined, use it to map
3918 given options to new options.
3919 * doc/tm.texi: Document it.
3921 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3922 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3924 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3925 cause programs using computed gotos to run more slowly.
3927 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3929 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3931 Consistently require binutils 2.11.2, not prereleases.
3932 (Specific, decstation-*): Canonicalize as mips-dec-*.
3933 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3935 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3936 (Specific, mips-*): Reword MIPS C compiler requirements.
3937 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3938 (Specific, sunv5): Removed, obsolete.
3940 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3942 * dwarf2out.c (output_loc_list): Use an all ones mask for
3943 .text asm output and don't rely on long long
3944 literals. Reformat some long lines.
3946 2001-07-05 Andreas Jaeger <aj@suse.de>
3948 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3951 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3953 * dwarf2out.c (dwarf2out_define): Update comment.
3954 (dwarf2out_undef): Ditto.
3955 (dwarf2out_start_source_file): Ditto.
3956 (dwarf2out_end_source_file): Ditto.
3957 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3958 since we never call the start/end debug hook for the primary file.
3960 2001-07-04 Kazu Hirata <kazu@hxi.com>
3962 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3965 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3967 * cppinit.c (remove_dup_dirs): Inform if a system include
3968 directory is being reordered.
3969 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3971 * doc/cpp.texi (Search Paths): Likewise.
3972 * doc/gcc.texi (Interoperation): Remove information about
3975 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3977 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3978 (VARRAY_TOP_CHAR_PTR): Likewise.
3980 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3982 * gcc.c (process_command): Don't assign elements of a const char*.
3984 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3986 * emit-rtl.c (change_address): Don't abort if invalid address while
3987 reload is in progress.
3989 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3991 * c-lex.c (cb_file_change): Pass line number to
3992 debug_start_source_file.
3993 (cb_undefine): Pass correct line number to debug_undef.
3995 * toplev.c (debug_start_source_file): Add line number to
3996 parameters. Pass it along to dwarf2out_start_source_file.
3997 (decode_g_option): Stop resetting debug level back to normal when
3998 we change debug formats, unless the current level is
3999 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4002 * toplev.h (debug_start_source_file): Add line number to
4005 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4008 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4010 Output debug_macinfo data for starting file if requested.
4011 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4013 (dwarf2out_define): Output debug_macinfo data for defining a macro
4015 (dwarf2out_undef): Output debug_macinfo data for undefining a
4017 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4018 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4019 (macinfo_section_label): New. DWARF2 macro info section label.
4020 (dwarf2out_init): If we want macro info, output the start label
4022 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4023 attribute to the compilation unit die pointing to the macro info.
4025 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4027 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4028 DWARF2_DEBUGGING_INFO.
4029 (add_loc_descr_to_loc_list): Ditto.
4030 (output_loc_list): Ditto.
4031 Also, fix thinko in curr not being initialized.
4032 (gen_internal_sym): Ditto.
4034 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4036 * emit-rtl.c (replace_equiv_address): New function.
4037 * expr.h (replace_equiv_address): New declaration.
4038 * explow.c (validize_mem): Call it instead of change_address and
4039 also call if -fforce-addr and address is constant.
4040 * expr.c: Replace more calls to change_address with adjust_address
4041 and/or replace_equiv_address or to validize_mem.
4042 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4043 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4044 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4045 * config/i370/i370.md, config/i860/i860.md: Likewise.
4046 * config/i960/i960.md, config/mips/mips.c: Likewise.
4047 * config/mips/mips.md, config/pa/pa.md: Likewise.
4048 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4049 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4051 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4053 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4055 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4058 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4060 * doc/include: New directory.
4061 * doc/fdl.texi: Move to doc/include/fdl.texi.
4062 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4063 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4064 * doc/gcc.texi: Use funding.texi and gpl.texi.
4065 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4066 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4067 Update dependencies and use -I $(docdir)/include.
4069 2001-07-04 Anthony Green <green@redhat.com>
4071 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4073 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4075 * doc/install.texi (sparc64-*-*): Remove garbage.
4077 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4079 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4080 Fix typo in last change to use adjust_address.
4082 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4084 * doc/install.texi (Specific): Update information for *-*-solaris*.
4086 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4088 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4090 2001-07-03 Stan Shebs <shebs@apple.com>
4092 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4093 case for flag_no_mach_text_sections.
4094 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4095 * config/darwin.c (flag_no_mach_text_sections): Remove.
4096 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4098 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4100 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4101 and avoid checking for constant as first operand.
4102 * recog.c (find_constant_term_loc): No longer static.
4103 (adj_offettable_operand): Delete.
4104 * rtl.h (adj_offsettable_operand): Delete declaration.
4105 (find_constant_term): Add declaration.
4106 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4108 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4109 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4110 * config/i386/i386.c, config/i386/i386.md: Likewise.
4111 * config/i860/i860.c, config/i960/i960.c: Likewise.
4112 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4113 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4114 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4115 * config/mips/mips.c, config/mips/mips.md: Likewise.
4116 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4117 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4118 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4119 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4120 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4121 * config/ns32k/ns32k.md: Likewise.
4123 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4125 * rtl.c (copy_rtx): Handle 'T' format letter.
4126 * gensupport.c (collect_insn_data): Likewise.
4127 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4129 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4131 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4132 -B option. Use 'dir' not 'foo' as example directory name.
4134 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4136 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4137 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4139 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4141 * doc/cppinternals.texi: Improve formatting and logical markup.
4143 2001-07-03 Andreas Jaeger <aj@suse.de>
4145 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4147 * genrecog.c (write_header): Include reload.h for prototypes in
4150 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4153 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4154 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4155 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4156 i386_pe_valid_type_attribute_p): Add.
4157 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4158 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4160 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4162 * explow.c (plus_constant_wide, case LO_SUM): New case.
4163 (plus_constant_for_output_wide): Delete.
4164 * rtl.h (plus_constant_for_output): Delete.
4165 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4166 instead of plus_constant_for_output.
4167 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4168 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4169 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4170 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4171 * config/sparc/sparc.md: Likewise.
4172 Convert some change_address calls to adjust_address.
4174 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4176 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4177 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4178 documentation of -std and -Wwrite-strings.
4180 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4182 * cse.c (canon_hash): Don't register registers in very small
4183 register classes, as extending their lifetime might cause
4186 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4188 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4190 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4191 (try_redirect_by_replacing_jump): Update properly the count
4192 and frequency information.
4194 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4196 * toplev.c (dump_file_index): Move SSA dumps just after first
4198 (dump_file): Corresponding changes.
4199 (rest_of_compilation): Move SSA path to just after the first
4201 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4202 * doc/invoke.texi: Update dump file #s as they were completely
4203 out of date with reality.
4205 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4207 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4209 * expr.c (emit_move_insn_1): Deal with non-default
4212 * expr.c (emit_single_push_insn): Fix warning.
4214 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4216 * expr.c (emit_move_insn_1): Avoid modifying
4217 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4219 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4221 * emit-rtl.c (adjust_address): New function.
4222 * expr.h (adjust_address): Add declaration.
4223 * builtins.c: Replace some calls to change_address with calls to it
4225 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4226 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4227 * config/arm/arm.c, config/convex/convex.c: Likewise.
4228 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4229 * config/i386/i386.c, config/i386/i386.md: Likewise.
4230 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4231 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4232 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4233 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4234 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4236 2001-07-02 Jim Wilson <wilson@redhat.com>
4238 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4240 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4242 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4243 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4245 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4247 * cppinit.c (lang_defaults): New table.
4248 (set_lang): Just read from lang_defaults into the live options
4251 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4253 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4254 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4255 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4257 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4259 * doc/install.texi: Various spelling and markup fixes.
4260 (Installing GCC): Component specific installation instructions are
4263 Warn about removing old install dir in the presence of shared libs.
4264 (Configuration): Invoke with options target to match configure
4266 Consistently refer to gas, gld pathnames.
4267 Invert --enable-multilib documentation.
4268 Remove references to old compiler versions.
4270 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4272 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4274 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4276 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4278 (Specific, mips*-sgi-irix5): Note IDO download.
4279 Reworded MIPS C hints.
4280 Use GNU as instead of GAS.
4282 Removed SGI Freeware reference, IRIX 6 only.
4283 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4284 Note N64 library requirement/workaround.
4286 Complete list of structure passing bug victims.
4288 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4290 * doc/install.texi: Remove CVS Id.
4292 2001-07-02 Andreas Jaeger <aj@suse.de>
4294 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4295 (find_inherently_necessary): Remove unused variable.
4297 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4299 * c-common.h (TDI_inlined): New ast dump phase.
4300 (dump_flag_name): New function.
4301 * c-dump.c (dump_files): Add inlined phase.
4302 (dump_flag_name): Define.
4303 * doc/invoke.texi (-fdump-ast-inlined): Document.
4305 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4307 * stor-layout.c (layout_decl): Revert change to handling of alignment
4310 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4312 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4315 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4317 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4320 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4322 * tlink.c (recompile_files): Remove COMPILER_PATH and
4323 LIBRARY_PATH from the environment.
4325 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4327 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4328 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4330 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4332 * c-parse.in (OBJC_STRING): Kill.
4333 (objc_string): Decompose to [objc_string] '@' STRING.
4334 (reswords): Take the leading '@' off all the Objective C keywords.
4335 (objc_rid_sans_at): Kill.
4336 (init_reswords): Don't initialize it.
4337 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4338 (_yylex): Kill reconsider label. Look ahead one token after
4339 an '@'; if we get an identifier, check whether it's an
4340 Objective C @-keyword. If so, return the keyword. Otherwise,
4341 put back the token and return the '@' as a terminal.
4343 * cpplib.c (lex_macro_node): Remove unnecessary check for
4344 leading '@' on identifier. Clarify control flow and commentary.
4346 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4348 * cse.c (new_label_ref): Variable deleted.
4349 (insert): Remove set of new_label_ref.
4350 (check_for_label_ref): New function.
4351 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4353 See ChangeLog.5 for earlier changes.