1 2001-08-08 Graham Stott <grahams@redhat.com>
3 * combine.c (combine_simplify_rtx): Update comment and
6 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
8 * cppinit.c (cpp_finish): Pop the final buffer without comment.
9 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
10 take care to avoid multiple no-newline at EOF warnings in that
13 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
15 * calls.c (expand_call): Do not emit INSN_SETJMP note.
16 (emit_library_call_value_1): Likewise.
17 (emit_call_1): Emit REG_SETJMP note.
18 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
20 * cselib.c (cselib_process_insn): Likewise.
21 * flow.c (propagate_block): Likewise.
22 * loop.c (find_and_verify_loops): Likewise.
23 * reload.c (find_equiv_regs): Likewise.
24 * reload1.c (reload): Likewise.
25 * resource.c (mark_referenced_resources,
26 mark_set_resources): Likewise.
27 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
28 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
29 * haifa-sched.c (unlink_other_notes): Likewise.
30 (reemit_notes): Likewise.
31 * sched-ebb.c (sched_ebb): Likewise.
32 * sched-rgc.c (sched_region): Likewise.
33 * rtl.c (note_insn_name): Likewise.
34 (reg_note_name): Add REG_SETJMP
35 * rtl.h (reg_note): Add REG_SETJMP.
36 (insn_note): Remove NOTE_INSN_SETJMP.
38 * profile.c (branch_prob): Add fake edges for setjmp.
40 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
42 * config.gcc: Quote target_cpu_default2 correctly for
45 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
47 * cpplib.h, line-map.h: Update comments.
48 * cppmain.c (printer_init): Move inline.
49 (maybe_print_line, print_line): Take a map pointer.
50 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
51 (cb_file_change): Don't use prior value of print.map.
53 2001-08-07 David Edelsohn <edelsohn@gnu.org>
55 * doc/install.texi: Document fine-grained multilib configuration.
57 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
59 * rtlanal.c (find_first_parameter_load): Call note_stores
60 only on the instructions.
62 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
64 * alias.c (nonlocal_mentioned_p):
65 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
66 * calls.c (emit_call_1): Likewise.
67 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
68 * cselib.c (cselib_process_insn): Likewise.
69 * df.c (df_insns_modify): Likewise.
70 * flow.c (need_fake_edge_p): Likewise.
71 (propagate_one_insn): Likewise.
72 * haifa-sched.c (reemit_notes): Likewise.
73 * integrate.c (copy_insn_list): Likewise.
74 * jump.c (delete_prior_computation): Likewise.
75 * local-alloc.c (validate_equiv_mem): Likewise.
76 * loop.c (scan_loop): Likewise.
77 * predict.c (estimate_probability): Likewise.
78 * reload.c (reload): Likewise.
79 * sched-deps (sched_analyze): Likewise.
80 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
81 * gcse.c (compute_hash_table): Likewise.
82 (mark_call): Likewise.
83 (store_killed_in_insn): Likewise.
85 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
87 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
89 2001-08-06 Richard Henderson <rth@redhat.com>
91 * varasm.c (assemble_gc_entry): Remove.
94 2001-08-06 Richard Henderson <rth@redhat.com>
96 * varasm.c (assemble_constructor): Take a symbol_ref and a
97 priority instead of a bare string. Move priority handling
99 * output.h: Update decls.
101 * c-decl.c (c_expand_body): Update calls to assemble_constructor
102 and assemble_destructor.
103 * profile.c (output_func_start_profiler): Likewise.
104 * objc/objc-act.c (finish_objc): Likewise.
105 (build_module_descriptor): Return the symbol not the symbol name.
107 2001-08-06 David Edelsohn <edelsohn@gnu.org>
109 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
110 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
111 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
112 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
113 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
114 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
116 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
118 * cpperror.c (print_containing_files): Moved to line-map.c.
119 (print_location): line-map.c handles re-listing or otherwise.
120 * cpphash.h (struct lexer_state): Remove next_bol.
121 (struct cpp_buffer): Remove include_stack_listed.
122 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
123 Remove faked buffer handling.
124 (_cpp_do_file_change): Tweak.
125 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
126 * cppmain.c (struct printer): Remove filename.
127 (print_line, cb_file_change): Update accordingly.
128 * line-map.c: Include intl.h.
129 (init_line_maps): Initialize last_listed.
130 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
131 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
132 (print_containing_files): New.
133 * line-map.h (struct line_maps): New member last_listed.
134 (print_containing_files, INCLUDED_FROM): New.
135 * Makefile.in: Update.
136 * po/POTFILES.in: Add line-map.c.
138 2001-08-06 Richard Henderson <rth@redhat.com>
140 * except.c (convert_from_eh_region_ranges_1): Never mark
141 USE or CLOBBER insns as throwing.
143 * expr.c (store_constructor): Don't clobber memory targets.
145 2001-08-06 Andreas Jaeger <aj@suse.de>
147 * profile.c (branch_prob): Remove unused variable insn.
149 * Makefile.in (local-alloc.o): Add dependency on except.h.
151 * local-alloc.c: Include except.h for can_throw_internal prototype.
153 2001-08-06 Richard Henderson <rth@redhat.com>
155 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
156 * function.c (expand_main_function): Implement it.
157 * doc/tm.texi: Document it.
159 2001-08-06 Stan Shebs <shebs@apple.com>
161 * doc/install.texi: Document powerpc-*-darwin* details.
163 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
165 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
166 (ASM_CPU_SPEC): Move back to rs6000.h
167 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
169 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
171 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
174 * config/rs6000/linux64.h: Ditto.
176 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
177 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
180 Remove accidently readded definitions of FUNCTION_PROLOGUE,
181 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
183 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
186 2001-08-05 Richard Henderson <rth@redhat.com>
188 * local-alloc.c (update_equiv_regs): Do not move insns that
191 2001-08-05 Jan Hubicka <jh@suse.cz>
193 * Makefile.in (reload1.o): Add dedendancy on except.h
194 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
196 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
197 indicating wehther edges has been cleaned up.
198 * reload1.c: Inlucde except.h
199 (fixup_abnormal_edges): Accept deleted insns.
200 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
203 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
205 * cpplib.c (do_line): Correct line number after pop_buffer.
207 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
210 * line-map.c: Update comments.
211 * line-map.h: Update comments.
212 * tradcif.y: Don't consider large numbers unsigned.
214 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
217 * c-lex.c (map): New.
218 (cb_file_change): Update map and use it.
219 (cb_def_pragma, cb_define, cb_undef): Use map and line.
220 (c_lex): Update to use map.
221 * cpperror.c (print_location): Move to using logical line numbers.
222 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
223 (cpp_make_system_header): Similarly.
224 (_cpp_execute_include): Stop line numbering hacks. Store the
225 line we will return to.
226 * cpphash.h (CPP_BUF_LINE): Remove.
227 (struct cpp_buffer): Remove lineno and pseudo_newlines.
228 Add map and return_to_line.
229 (_cpp_do_file_change): Update.
230 * cppinit.c (cpp_start_read): Update line kludge.
231 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
232 (trigraph_ok): Use logical line numbers for diagnostics.
233 (skip_block_comment): Likewise.
234 (skip_whitespace): Likewise.
235 (skip_line_comment): Use pfile->line instead.
236 (_cpp_lex_token): Update to use logical line numbering exclusively.
237 Handle BOL locally. Accept new lines in directives, but keep
238 pfile->line decremented. Diagnostics use logical lines. Update
240 * cpplib.c (SEEN_EOL): New.
241 (skip_rest_of_line, check_eol): Use it.
242 (end_directive): Increase line number when accepting the newline
243 at the end of a directive.
244 (run_directive): Simplify.
245 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
246 (_cpp_do_file_change): Update to take buffer line number as an
247 argument, and store the current map in the cpp_reader. Remove
249 (_cpp_do__Pragma): Restore output position after a _Pragma.
250 (cpp_push_buffer): Don't set output line or lineno.
251 (_cpp_pop_buffer): Transfer more info from a faked buffer.
252 Remove line kludge. Set output_line.
253 * cppmacro.c (builtin_macro): Update handling of __LINE__.
254 (parse_arg): Use logical lines.
255 (save_lookahead_token): Save EOFs too now.
256 * cppmain.c (struct printer): Fix comments.
257 (printer_init): Simplify, let caller do errors.
258 (scan_translation_unit, check_multiline_token, dump_macro): Update.
259 (maybe_print_line): Simplify.
260 (print_line): Don't print a linemarker if -P.
261 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
262 (cb_file_change): Simplify.
263 * line-map.h (LAST_SOURCE_LINE): Fix.
264 (CURRENT_LINE_MAP): New.
266 2001-08-05 Bernd Schmidt <bernds@redhat.com>
268 * doloop.c (doloop_modify_runtime): Properly compute number of
269 iterations if loop was unrolled.
271 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
272 if their CSELIB_VAL_PTRs are.
274 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
275 (setup_spill_pointers): Initialize it.
276 (spill_restore_mem): Set it.
277 (do_spill, do_restore): Use it to add REG_INC note.
278 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
280 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
281 asms if other insns are available.
283 * config/ia64/ia64.c (condop_operator): New predicate.
284 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
285 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
288 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
289 temporary register than directly using a MEM.
291 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
293 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
294 parameter in last change.
296 2001-08-04 Zack Weinberg <zackw@panix.com>
298 * sparc.md: Don't use #if inside C test expression.
300 2001-08-04 Richard Henderson <rth@redhat.com>
302 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
304 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
306 * cpphash.h (struct cpp_reader): New member directive_line.
307 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
308 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
309 do_pragma): Pass line to callbacks.
310 (start_directive): Record line of directive.
311 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
312 cb_include): Similarly.
313 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
316 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
318 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
321 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
323 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
325 * reload1.c (fixup_abnormal_edges): New static function.
328 * flow.c (need_fake_edge_p): New function.
329 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
330 avoid call insn to be very last insn in the insn stream.
332 * profile.c (branch_prob): Call flow_call_edges_add instead of
333 doing that by hand; cleanup cfg to re-merge basic blocks once
336 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
338 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
339 are also on line-map.h.
340 * cppfiles.c (stack_include_file): Update.
341 * cpphash.h (struct cpp_buffer): New member return_at_eof.
342 (_cpp_pop_buffer): New.
343 * cppinit.c (cpp_destroy, cpp_finish): Update.
344 (do_includes): Mark each buffer to return at EOF.
345 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
347 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
348 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
349 * cpplib.h (cpp_pop_buffer): Remove.
350 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
351 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
353 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
355 (do_preprocessing): Update.
356 * fix-header.c (read_scan_file): Update. No need to pop buffers.
357 * c-parse.in (_yylex): Similarly.
358 * scan-decls.c (scan_decls): Similarly.
359 * line-map.h: Update comments.
361 * objc/Make-lang.in (objc-act.o): Update dependencies.
363 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
365 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
366 and soft register for operand 0.
367 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
369 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
371 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
372 register for operand 0.
373 ("bitcmpqi_z_used"): Allow memory for operand 0.
374 (split "bitcmpqi"): New split to handle address reg as operand 1.
376 2001-08-04 Andreas Jaeger <aj@suse.de>
378 * gcse.c: Revert Daniel's last patch.
380 2001-08-03 Zack Weinberg <zackw@stanford.edu>
382 * sparc-protos.h: Add prototypes for fp_zero_operand and
384 * sh-protos.h: Add prototype for fpul_operand.
386 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
388 * doc/extend.texi (Other Builtins): Fix typo in last change.
390 2001-08-03 Richard Henderson <rth@redhat.com>
392 * target.h (gcc_target): Add asm_out.named_section,
393 section_type_flags, have_named_sections.
394 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
395 (TARGET_HAVE_NAMED_SECTIONS): New.
396 (TARGET_SECTION_TYPE_FLAGS): New.
398 * Makefile.in (toplev.o): Depend on TARGET_H.
399 (varasm.o, dbxout.o): Likewise.
400 * c-common.c (decl_attributes): Check targetm.have_named_sections
401 instead of ifdef ASM_OUTPUT_SECTION_NAME.
402 * dbxout.c (dbxout_function_decl): Likewise.
403 (dbxout_function_end): Likewise.
404 * toplev.c (compile_file): Likewise.
405 * varasm.c (exception_section): Likewise.
406 * cp/decl2.c (finish_objects): Likewise.
408 * defaults.h (EH_FRAME_SECTION): Remove.
409 (EH_FRAME_SECTION_ASM_OP): Remove.
410 (EH_FRAME_SECTION_NAME): New.
411 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
412 (UNIQUE_SECTION_P): Remove.
413 * dwarf2out.c (SECTION_FORMAT): Remove.
414 (ASM_OUTPUT_SECTION): Remove.
415 (output_call_frame_info): Use named_section_flags.
416 (output_comp_unit, dwarf2out_start_source_file): Likewise.
417 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
418 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
419 * varasm.c (in_eh_frame, eh_frame_section): Remove.
420 (named_section_flags): New.
421 (named_section): Use it and targetm.section_type_flags.
422 (resolve_unique_section): New.
423 (assemble_start_function): Use it.
424 (asm_emit_uninitialised, assemble_variable): Likewise.
425 (default_section_type_flags): New.
426 (default_no_named_section, default_elf_asm_named_section): New.
427 (default_coff_asm_named_section, default_pe_asm_named_section): New.
428 * output.h: Update varasm.c decls.
429 (SECTION_*): New flags.
431 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
432 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
434 * config/elfos.h (UNIQUE_SECTION_P): Remove.
435 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
436 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
437 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
438 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
439 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
440 * config/mips/elf.h, config/mips/elf64.h: Likewise.
441 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
442 * config/pa/pa64-hpux.h,
444 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
445 (TARGET_ASM_NAMED_SECTION): New.
446 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
447 * config/alpha/vms.h, config/arm/coff.h: Likewise.
448 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
449 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
450 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
451 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
452 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
453 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
454 * config/i386/sco5.h, config/i386/win32.h: Likewise.
455 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
456 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
457 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
458 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
459 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
460 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
461 * config/sparc/sysv4.h: Likewise.
463 * config/nextstep.h: Error until named sections implemented.
465 * config/a29k/a29k.c (a29k_asm_named_section): New.
466 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
467 (vms_section_type_flags, vms_asm_named_section): New.
468 * config/arm/arm.c (arm_elf_asm_named_section): New.
469 * config/avr/avr.c (asm_output_section_name): Remove.
470 * config/avr/avr-protos.h: Update.
471 * config/c4x/c4x.c (c4x_asm_named_section): New.
472 * config/h8300/h8300.c (h8300_asm_named_section): New.
473 * config/i386/i386.c (sco_asm_named_section): New.
474 * config/i386/winnt.c (SECTION_PE_SHARED): New.
475 (i386_pe_section_type_flags): New.
476 (i386_pe_asm_named_section): New.
477 * config/i386/i386-protos.h: Update.
478 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
479 * config/mcore/mcore.c (mcore_asm_named_section): New.
480 * config/mips/mips.c (iris6_asm_named_section): New.
481 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
482 instead of UNIQUE_SECTION_P.
483 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
484 (xcoff_asm_named_section): New.
485 * config/sh/sh.c (sh_asm_named_section): New.
486 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
488 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
489 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
490 (EH_FRAME_SECTION_NAME): New.
491 (EXCEPTION_SECTION): New.
492 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
493 (DEBUG_*_SECTION): Remove.
494 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
495 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
496 (EH_FRAME_SECTION_ASM_OP): Remove.
498 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
499 (ASM_OUTPUT_SECTION_NAME): Remove.
500 (TARGET_ASM_NAMED_SECTION): New.
501 (TARGET_HAVE_NAMED_SECTIONS): New.
502 (TARGET_SECTION_TYPE_FLAGS): New.
503 (EH_FRAME_SECTION_ASM_OP): Remove.
504 (EH_FRAME_SECTION_NAME): New.
506 2001-08-03 Zack Weinberg <zackw@stanford.edu>
508 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
509 for complex expressions when cfun == 0.
510 * doc/extend.texi: Document that __builtin_constant_p can be
511 used in data initializers as well as functions.
513 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
515 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
516 variable I locally, instead of expecting a declaration in the
519 2001-08-03 Richard Henderson <rth@redhat.com>
521 * except.c (collect_one_action_chain): Add an explicit cleanup
522 action if regions surrounding a catch were encoded entirely
523 within the call-site entry.
525 2001-08-03 Richard Henderson <rth@redhat.com>
527 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
528 don't take REGNO of a non-register.
530 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
532 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
533 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
534 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
535 (__gthread_mutex_init_function): New function for mutex initialization.
537 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
539 * Makefile.in: Revert screwed up commit.
541 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
543 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
544 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
545 merged by linker script to get a final _exit().
546 (__do_global_dtors): New for destructor handling in specific exit
548 (__do_global_ctors): New for constructors in specific install section.
549 (__map_data_section): Map data sections before running constructors.
550 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
551 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
552 (DTORS_SECTION_ASM_OP): Likewise.
553 (CTORS_SECTION_FUNCTION): Define to force a reference to
555 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
557 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
559 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
561 * Makefile.in: Add df.h to gcse.c dependencies.
563 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
565 * varasm.c (output_constant_def_contents): Use for the length of a
566 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
567 depending on which is larger.
569 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
571 * gcse.c: Include df.h for use as a dataflow analyzer.
573 Declaration of reg_set_info: gone.
574 New df_analyzer variable used by store motion.
575 (reg_set_info): Deleted.
576 (mark_mem_regs): New function, analyze regs used by a mem.
577 (store_ops_ok): Use dataflow analyzer results to determine if
578 necessary regs are changed in the block.
579 (find_moveable_store): Remove check for symbol ref, we can handle
580 much more complex expressions now.
581 (compute_store_table): Remove most of the code, it's unnecessary
582 now that the dataflow analyzer records the info for us.
583 (store_killed_after): Add parameter to say whether to do the
584 store_ops_okay test, used to speed up testing when we already know
585 the answer, and just want to know if the store itself was killed.
586 (build_store_vector): Largely rewritten to calculate the various
587 vectors properly, and somewhat optimized.
588 (store_motion): Init the df_analyzer, get REG_DEF chains.
589 Also handle trapping expressions (since mems almost always trap)
590 (simple_mem): Redefine what a simple mem is.
592 2001-08-03 DJ Delorie <dj@redhat.com>
594 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
595 set from a constant part of the condition.
597 2001-08-01 Andrew Cagney <ac131313@redhat.com>
599 * mkdeps.c (deps_add_default_target): Make local variable
600 ``start'' a const char pointer.
601 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
603 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
605 * doc/install.texi (Configuration): Fix markup.
606 (Specific, i?86-*-udk): Likewise.
607 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
609 Document --enable-threads and --enable-libgcj status.
610 (Specific, mips-sgi-irix*): Canonicalize triples.
611 (Specific, mips-sgi-irix5): Warn about problems with this config.
612 Mention required GNU as patch.
613 Native assembler problems are fixed.
614 (Specific, mips-sgi-irix6): Update O32 ABI support status.
615 Document --enable-threads and --enable-libgcj status.
617 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
619 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
622 2001-08-03 Richard Henderson <rth@redhat.com>
624 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
627 2001-08-03 Richard Henderson <rth@redhat.com>
629 * rtlanal.c (find_first_parameter_load): Stop if we
630 reach a CODE_LABEL at BOUNDARY.
632 2001-08-03 Richard Henderson <rth@redhat.com>
634 * config/alpha/alpha.md (force_movdi): New insn.
635 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
636 Tweek FRP marking of VMS prologue insns.
637 * config/alpha/vms.h (EPILOGUE_USES): New.
639 2001-08-02 Richard Henderson <rth@redhat.com>
641 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
643 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
645 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
646 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
647 config/convex/convex.h, config/d30v/d30v.c,
648 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
649 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
650 config/mips/mips.h, config/mn10200/mn10200.h,
651 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
652 config/v850/v850.h, config/vax/openbsd.h,
653 config/vax/openbsd1.h, config/vax/ultrix.h,
654 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
655 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
656 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
657 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
658 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
659 in comments and documentation.
661 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
665 * Makefile.in (line-map.o): New.
666 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
667 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
668 * cpperror.c (print_containing_files): Similarly.
669 (print_location): Update. Don't output a space before _Pragma.
670 * cppfiles.c (stack_include_file): Set to line 1 immediately.
671 (stack_include_filee, cpp_make_system_header): Update.
672 (_cpp_execute_include): Get logical line number right for calling
673 as-yet-unterminated #include.
674 * cpphash.h (struct cpp_reader): Add line_maps.
675 (_cpp_do_file_change): Update.
676 * cppinit.c (cpp_create_reader): Initialize line maps.
677 (cpp_destroy): Destroy line maps.
678 (cpp_start_read): Get logical line number right.
679 * cpplex.c (parse_string): Only warn once for multi-line strings.
680 Use boolean variable for null warning.
681 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
683 (do_include_common): End the directive early.
684 (do_line): Don't warn about out-of-range lines in preprocessed
685 source. Update. Remove unused variables.
686 (_cpp_do_file_change): Update for new line mapping.
687 (pragma_cb): New typedef.
688 (cpp_register_pragma): Stop looking ahead before calling the
690 (do_pragma_system_header): End directive early.
691 (cpp_get_line_maps): New.
692 (cpp_pop_buffer): Fudge logical line. Update.
693 * cpplib.h: Include line-map.h
694 (enum cpp_fc_reason): Remove.
695 (struct cpp_file_change): Update.
696 (cpp_get_line_maps): New.
697 * cppmain.c (struct_printer): New member map.
698 (cb_file_change): Update for new mappings.
699 * fix-header.c (cb_file_change): Similarly.
701 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
703 * Makefile.in (libgcc.mk): Define mkinstalldirs.
704 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
706 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
708 * config/vax/vax.c: include expr.h.
710 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
712 * Makefile.in ($(srcdir)/configure): Only rebuild in
714 ($(srcdir)/config.in): Only define in maintainer mode.
715 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
717 2001-08-02 David Edelsohn <edelsohn@gnu.org>
719 * doc/install.texi (Install GCC: Binaries): Update Bull info.
721 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
723 * gcc.c (set_collect_gcc_options): New function, split out from
725 Ignore elided switches.
726 (do_spec_1): Invoke before executing command.
729 * gcc.h (set_input): ... here.
730 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
733 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
736 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
738 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
740 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
742 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
743 for the unnamed instructions it expands to.
745 2001-08-02 Richard Henderson <rth@redhat.com>
747 * regclass.c (call_really_used_regs): Conditionally define.
748 (init_reg_sets_1): Don't use it if not defined.
749 (fix_register): Similarly, don't set it.
751 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
753 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
754 Correct comment that had been missed in the previous change.
756 2001-08-01 Stan Shebs <shebs@apple.com>
758 * config/darwin.c (machopic_stub_name): Try matching by name.
759 (update_stubs): New function.
760 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
763 2001-08-01 Richard Henderson <rth@redhat.com>
765 * except.c (output_function_exception_table): Use assemble_align.
766 * varasm.c (assemble_eh_label): Remove.
767 (assemble_eh_align, assemble_eh_integer): Remove.
769 2001-08-01 Robert Lipe <robertl@caldera.com>
771 * dwarfout.c: Remove reference to README.DWARF.
773 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
775 * regclass.c (call_really_used_regs): New array for registers which
776 are actually used by a call.
777 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
779 (fix_register): Set call_really_used too.
780 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
781 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
783 2001-08-01 Richard Henderson <rth@redhat.com>
785 * read-rtl.c (read_name): Consider \r whitespace.
787 2001-07-11 Andrew Cagney <ac131313@redhat.com>
789 * config.gcc: Recognize powerpc-*-netbsd*.
791 * doc/install.texi (Host/target specific installation notes for
792 GCC): Mention powerpc-*-netbsd*.
794 * config/rs6000/netbsd.h: New file.
795 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
796 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
797 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
798 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
799 (TARGET_VERSION): Redefine.
801 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
802 mcall-netbsd as a match for mcall-sysv.
803 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
804 (ncrti.S, ncrtn.S): New targets.
805 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
807 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
808 "netbsd' as a V4 ABI.
809 (ASM_SPEC): Check for -mcall-netbsd.
810 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
811 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
812 (LIB_SPEC, ENDFILE_SPEC): Ditto.
813 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
814 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
815 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
816 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
818 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
819 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
821 2001-08-01 Mark Kettenis <kettenis@gnu.org>
823 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
824 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
825 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
826 including "unwind-pe.h".
828 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
830 * rs6000.md (define_splits): Kill unused constraints.
832 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
833 Jan Hubicka <jh@suse.cz>
835 * function.c (thread_prologue_and_epilogue_insns): Kill code
836 dealing with non-existent CFG.
838 2001-08-01 Kazu Hirata <kazu@hxi.com>
840 * alias.c: Fix comment formatting.
841 * bitmap.c: Likewise.
842 * builtins.c: Likewise.
844 * c-common.c: Likewise.
845 * c-decl.c: Likewise.
846 * c-dump.c: Likewise.
848 * collect2.c: Likewise.
849 * combine.c: Likewise.
850 * conflict.c: Likewise.
851 * cppfiles.c: Likewise.
852 * cppinit.c: Likewise.
853 * cpplex.c: Likewise.
854 * cpplib.c: Likewise.
855 * cppmacro.c: Likewise.
856 * cppspec.c: Likewise.
857 * c-pragma.c: Likewise.
858 * crtstuff.c: Likewise.
860 * cselib.c: Likewise.
861 * c-semantics.c: Likewise.
862 * c-typeck.c: Likewise.
864 2001-08-01 H.J. Lu <hjl@gnu.org>
866 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
868 2001-08-01 H.J. Lu <hjl@gnu.org>
870 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
872 2001-08-01 Ziemowit Laski <zlaski@apple.com>
874 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
875 contextualizing Objective-C class name lookup by the lexer.
876 (typespec_reserved_nonattr): Disable ObjC class name lookup after
878 (protocoldef): Add support for forward @protocol declarations.
879 (yylexname): Suppress ObjC class name lookup in certain contexts;
880 re-enable after lookup is complete.
881 (_yylex): Re-enable ObjC class name lookup when certain
882 punctuation marks are seen.
884 * objc/objc-act.c (check_protocol_recursively): New function used
885 for finding circular dependencies in protocols.
886 (objc_declare_protocols): New function for handling forward
887 @protocol declarations.
888 (receiver_is_class_object): Detect the case when 'self' is used
889 inside of a class method.
890 (build_message_expr): Issue a warning if class method is desired
891 but instance method is found instead.
892 (conforms_to_protocol): Streamline.
893 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
894 protocol Foo, even if 'Bar foo' does not.
895 (check_protocols): Streamline.
896 (start_protocol): Add checks for circular and duplicate protocol
898 (encode_aggregate_within): For typedefs of structs, encode the
900 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
901 (objc_declare_protocols): New prototype.
903 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
905 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
906 * cpplex.c (handle_newline): Update prototype. Maintain logical
908 (skip_escaped_newlines, skip_block_comment, parse_string):
910 (_cpp_lex_token): Update, and store token position within the token.
911 * cpplib.h (struct cpp_token): Add line and column entries.
912 * cppmacro.c (replace_args): Position stringified tokens correctly.
914 2001-08-01 Andreas Jaeger <aj@suse.de>
916 * basic-block.h: Add prototype for last_loop_beg_note.
918 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
920 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
921 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
923 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
924 while handling WITH_CLEANUP_EXPR node. Use second operand calling
926 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
928 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
929 operand while calling simple_cst_equal.
930 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
931 operand is the cleanup expression, the third is the RTL_EXPR.
932 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
934 2001-07-31 Jeff Sturm <jsturm@one-point.com>
936 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
938 2001-07-31 matthew green <mrg@eterna.com.au>
940 * config.gcc (i386-*-netbsdelf): New description.
941 * config/i386/netbsd-elf.h: New file.
943 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
945 * loop.c (check_dbra_loop): Use single_set to compute
948 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
950 PowerPC reorg and support for powerpc64-*-linux*.
952 Also fixes emitting of constants on 32 bit and 64 bit
955 * config.gcc: powerpc64-*-linux* is a new target.
956 Things that needed aix.h now also include xcoff.h
958 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
960 Move AIX specific stuff into aix.h.
961 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
962 with more than just XCOFF now.
963 (SET_ASM_OP): Remove, now defined where needed.
964 (FUNCTION_PROLOGUE): New macro definition.
965 (FUNCTION_EPILOGUE): New macro definition.
966 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
968 * config/rs6000/xcoff.h: New file.
970 * config/rs6000/linux64.h: New file.
972 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
974 2001-07-31 Alan Modra <amodra@bigpond.net.au>
976 * rs6000.c (print_operand_address): Handle ELF syntax.
977 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
978 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
979 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
981 2001-07-31 David Edelsohn <edelsohn@gnu.org>
983 * rs6000.c (rs6000_override_options): Only disable
984 flag_function_sections for XCOFF.
985 (exact_log2_cint_operand): New predicate.
986 (reg_or_{add,sub}_cint64_operand): New predicates.
987 (add_operand): Compare CONST_INT with fewer function calls.
988 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
989 (print_operand, case 'p'): Ensure positive operand.
990 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
991 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
992 (PREDICATE_CODES): Add new predicates.
993 * rs6000.md (addsi3): Split 32-bit constants more correctly.
994 (divsi3, modsi3): Ensure positive power-of-2.
995 (adddi3): Use new predicate. Split 32-bit constants more
996 correctly. Re-arrange splitter to handle any constant.
997 (subdi3): Use new predicate.
998 (divdi3, moddi3): Ensure positive power-of-2.
999 (movdi): Use rs6000_emit_set_const.
1000 (load_toc_v4_pic_di): Delete.
1002 2001-07-31 Graham Stott <grahams@redhat.com>
1004 * function.c (pad_below): Revert 2001-07-26 patch.
1006 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1008 * reg-stack (convert_regs_1): Fix best edge condition.
1010 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1012 * jump.c (duplicate_loop_exit_test): Better test for jumps
1013 entering the loop; create loop pre_header.
1015 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1017 * doc/install.texi: Add s390 and s390x as new targets.
1018 * doc/invoke.texi: Add documantation of S/390 and zSeries
1020 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1022 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1024 * config/m68k/m68k.md: Replace all general_operand with
1025 nonimmediate_operand for all destinations.
1026 * config/m68k/m68k.c (not_sp_operand): Likewise.
1028 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1030 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1032 2001-07-30 Richard Henderson <rth@redhat.com>
1034 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1035 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1037 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1039 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1040 Add missing doc strings
1041 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1042 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1044 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1046 * i386.c (ix86_output_main_function_alignment_hack): New function.
1047 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1049 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1050 edges by EDGE_DFS_BACK flag.
1051 (dump_edge_info): Add dfs_back flag.
1052 * basic-block.h (EDGE_DFS_BACK): New constant.
1053 (mark_dfs_back_edges): Declare.
1054 * alias.c (loop_p): Remove.
1055 (mark_constant_function): Use mark_dfs_back_edges.
1057 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1058 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1059 (compensate_edge): Break out from ...
1060 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1061 (convert_regs_2): Set block_done once block is really done;
1062 Do updating of the predecesors counts.
1064 * toplev.c (rest_of_compilation): Recompute block_for_insn
1065 before post-reload cfg_cleanup.
1066 * function.c (thread_prologue_epilogue_insns):
1067 Call set_block_for_new_insns when emitting prologue directly.
1069 2001-07-30 Andreas Jaeger <aj@suse.de>
1071 * jump.c: Add prototype for mark_modified_reg.
1073 * cse.c (set_live_p): Add unused attribute.
1075 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1077 (scan_for_source_files): Use long for count to avoid overflow.
1078 (output_data): Likewise.
1079 (output_data): Don't use string concatatenation to silence gcc
1082 * predict.c: Fix typos and grammar.
1084 * gcse.c (insert_insn_end_bb): Remove unused variables.
1086 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1088 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1089 (attempt_auto_inc): LIkewise.
1090 (mark_used_reg): Likewise.
1091 (try_pre_increment_1): Likewise.
1092 * regclass.c (regclass): Likewise.
1093 * global.c (allocno_compare): Update comment; change scaling factor.
1094 * local-alloc.c (QTY_CMP_PRI): Likewise.
1095 * regs.h (REG_FREQ_FROM_BB): New.
1096 (REG_FREQ_MAX): Likewise.
1098 2001-07-30 H.J. Lu <hjl@gnu.org>
1100 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1103 2001-07-30 H.J. Lu (hjl@gnu.org)
1105 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1106 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1107 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1109 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1111 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1112 as -mthumb-interwork when -mcpu=arm7 is specified.
1114 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1116 * predict.def (noreturn, loop branch, loop exit): Mark as first
1119 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1121 * combine.c (try_combine): Avoid barrier after noop jumps.
1123 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1125 * cpphash.h (struct cpp_reader): Remove import_warning.
1126 * cpplib.c (skip_rest_of_line): Don't bother turning off
1128 (parse_include): Move include handling to...
1129 (do_include_common): ... here. Move import warning from...
1130 (do_import): ... here.
1131 (do_pragma_poison): Don't do a callback for poison identifiers.
1132 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1133 * cppmain.c (setup_callbacks): Similarly.
1135 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1137 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1138 handle multiple sets.
1139 * except.c (sjlj_mark_call_sites): .... here.
1140 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1142 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1144 Suggested by Richard Henderson and Richard Kenner:
1145 * combine.c (recog_for_combine): Use the fake recog
1146 only if instruction does not match.
1147 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1148 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1150 * combine.c (try_combine): Discover noop jump as direct jump.
1152 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1154 * df.c (df_rd_global_compute): Add successors to worklist, not
1156 (df_ru_global_compute): Ditto.
1158 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1160 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1161 increment REG_N_SETS.
1163 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1165 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1167 * sbitmap.c (sbitmap_a_xor_b): New function.
1168 ifdef the basic block stuff on IN_GCC.
1170 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1172 * cppexp.c (parse_defined): Always record the macro name.
1173 (lex): Don't worry about identifiers, or special-case
1175 (_cpp_parse_expr): Figure out at the end of the routine
1176 whether we saw a valid !defined() expression.
1177 * cppfiles.c (stack_include_file): Update for mi_valid.
1178 (_cpp_pop_file_buffer): Similarly.
1179 * cpplex.c (_cpp_lex_token): Similarly.
1180 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1181 mi_if_not_defined, mi_lexed): Remove.
1183 * cpplib.c (do_if): Simplify.
1184 (do_endif, push_conditional, _cpp_handle_directive): Update
1185 for renaming of mi_state to mi_valid.
1187 * cpp.texi: Add index entries for digraphs, and add comment
1188 that C++ refers to them as alternative tokens.
1190 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1192 * basic-block.h (CLEANUP_PRE_LOOP): New.
1193 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1194 * sibcall.c (optimize_sibling_calls): Likewise.
1195 * toplev.c (rest_of_compilation): Likewise.
1196 * flow.c (try_forward_edges): Take argument MODE;
1197 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1198 (try_optimize_cfg): Update call of try_forward_edges.
1200 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1201 Jan Hubicka <jh@suse.cz>
1203 * (validate_replace_rtx_1): Fix simplification of MINUS.
1205 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1207 PR preprocessor/3669
1208 * cppinit.c (init_dependency_output): Turn off dump requests
1209 if sending dependencies to stdout.
1211 2001-07-28 Richard Henderson <rth@redhat.com>
1213 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1216 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1218 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1220 2001-07-28 Kazu Hirata <kazu@hxi.com>
1222 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1223 is VAR_DECL first to prevent an ICE.
1225 2001-07-28 Richard Henderson <rth@redhat.com>
1227 * varasm.c (immed_real_const_1): Don't elide special cases for
1229 (clear_const_double_mem): Clear const_tiny_rtx too.
1231 2001-07-28 Richard Henderson <rth@redhat.com>
1233 * dwarf2out.c (dw_val_class_offset): New.
1234 (struct dw_ranges_struct, dw_ranges_ref): New.
1235 (ranges_table, ranges_table_allocated): New.
1236 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1237 (add_AT_offset, add_ranges, output_ranges): New.
1238 (print_die, output_die): Handle dw_val_class_offset.
1239 (attr_checksum, size_of_die, value_format): Likewise.
1240 (gen_lexical_block_die): Handle non-contiguous blocks.
1241 (gen_block_die): Likewise.
1242 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1243 if needed. Dump the ranges table.
1244 * final.c (final_start_function): Remove unnecessary notes and
1245 rebuild the block tree before numbering the blocks.
1246 * function.c (reorder_blocks_0): Walk the existing block tree
1247 to unmark all blocks.
1248 (reorder_blocks_1): Create block fragments when duplicate block
1250 (reorder_fix_fragments): New.
1251 (reorder_blocks): Call it.
1252 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1254 2001-07-28 Richard Henderson <rth@redhat.com>
1256 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1258 2001-07-28 Richard Henderson <rth@redhat.com>
1260 * flow.c (add_to_mem_set_list): New function.
1261 (init_propagate_block_info): Use it.
1262 (mark_set_1): Likewise.
1263 (insn_dead_p): Canonicalize memory address for dead store
1264 comparison. Allow wider mode stores to kill narrower mode stores.
1265 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1266 (invalidate_mems_from_set): Don't handle MEMs.
1268 2001-07-28 Kazu Hirata <kazu@hxi.com>
1270 * config/h8300/h8300.h: Fix formatting.
1272 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1274 * basic-block.h (EDGE_FREQUENCY): New macro.
1275 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1277 * flow.c (find_sub_basic_blocks): Likewise.
1278 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1279 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1281 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1282 (HITRATE): New macro.
1283 (PRED_FLAG_FIRST_MATCH): New constant.
1284 (predictor_info): New field flgags.
1285 (combine_predictions_for_insn): Use DS theory to combine
1286 probabilities; set the edge probabilities when finished.
1287 (estimate_probability): Avoid duplicated matches
1288 of LOOP_BRANCH heuristics for nested loops; update comment.
1289 * predict.def: Add flags for each prediction, set probabilities
1290 according to B&L paper.
1291 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1293 * profile.c (compute_branch_probabilities): Cleanup way the edge
1294 probabilities are computed and REG_BR_PROB notes are dropped; if
1295 values does not match, emit error.
1296 (init_branch_prob): Do error instead of warning when profile driven
1297 feedback is missing or corrupt.
1299 2001-07-27 DJ Delorie <dj@redhat.com>
1301 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1302 against a constant, try to adjust the compare to have the desired
1303 constant in it so that min/max optimizations happen more often.
1305 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1307 * flow.c (last_loop_beg_note): New function.
1308 (redirect_edge_and_branch): Use it.
1309 (split_edge): Likewise.
1311 * alias.c (loop_p): Avoid uninitialized memory access.
1313 * flow.c (try_forward_edges): Avoid accessing freed memory.
1315 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1318 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1320 * doc/install.texi (Configuration): Properly link the host
1321 specific instructions also when generating HTML.
1323 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1325 * flow.c (redirect_edge_and_branch_force): Test
1326 target->global_live_at_start.
1328 2001-07-26 Richard Henderson <rth@redhat.com>
1330 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1331 * rtl.h (avoid_constant_pool_reference): Declare it.
1332 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1333 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1335 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1337 * rtl.h (cleanup_barriers): Declare.
1338 * jump.c (cleanup_barriers): New function.
1339 * toplev.c (rest_of_compilation): Call cleanup_barriers
1340 before loop optimizer and after bb_reorder.
1342 * flow.c (back_edge_of_syntactic_loop_p): New.
1343 (split_edge): Use it.
1345 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1347 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1349 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1351 * cse.c (cse_process_notes): Replace any registers if the address
1354 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1356 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1357 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1358 (propagate_block): Update prototype.
1359 * flow.c (update_life_info): Simplify the CFG and
1360 recalculate the global regs which are alive when
1361 removing dead code during a global update.
1362 (propagate_block): Return non-zero if an INSN is
1365 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1367 * Makefile.in (LIBICONV): Define.
1369 2001-07-26 Catherine Moore <clm@redhat.com>
1371 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1372 of conditional to avoid tree checking errors.
1374 2001-07-26 Kazu Hirata <kazu@hxi.com>
1376 * regmove.c (regmove_optimize): Don't replace a reg with
1377 another reg of a different mode.
1379 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1381 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1382 limit length of dependancy flush list.
1383 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1384 * sched-int.h (struct deps): Add pending_flush_length field.
1385 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1386 has 1 element in it.
1387 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1388 (sched_analyze): After a jump, if the pending memory flush list is too
1389 large, flush the pending lists.
1390 (init_deps): Initialize pending_flush_length to 0.
1391 * doc/invoke.texi (max_pending_list_length): Document parameter.
1393 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1395 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1396 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1397 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1399 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1401 * cpphash.h (struct_lexer_state): Delete was_skipping.
1402 Move skipping here from struct cpp_reader.
1403 * cpplex.c (parse_identifier): Update.
1404 (_cpp_lex_token): Don't skip tokens in a directive.
1405 * cpplib.c (struct if_stack): Update.
1406 (start_directive, end_directive): Don't change skipping state.
1407 (_cpp_handle_directive): Update.
1408 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1409 (do_else, do_endif): Update; only check for excess tokens if not
1410 in a skipped conditional block.
1411 (push_conditional): Update for new struct if_stack.
1413 2001-07-26 Graham Stott <grahams@redhat.com>
1415 * function.c (locate_and_pad_parm): Also pad initial offset
1416 so that the total argument size also includes the padding.
1418 2001-07-26 Graham Stott <grahams@redhat.com>
1420 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1421 change XSTR to XTMPL.
1423 (process_one_cond_exec): Likewise
1425 2001-07-25 Richard Henderson <rth@redhat.com>
1427 * varasm.c (assemble_variable): Create DECL_RTL before setting
1430 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1432 * predict.c (estimate_probability): Avoid duplicated predictions.
1434 * loop.c (find_and_verify_loops): Grok multiple barriers.
1436 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1438 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1440 * dbxout.c: Consistently use putc instead of fputc.
1441 (print_wide_int): New function; call instead of direct fprintf.
1442 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1443 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1444 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1445 (print_int_cst_octal): Likewise.
1446 (print_octal): Show we wrote characters.
1447 (dbxout_type): Set have_used_extensions in more places.
1449 2001-07-25 Catherine Moore <clm@redhat.com>
1451 * config/v850/v850.c (v850_va_arg): Use addr
1452 instead of valist to build incr.
1454 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1456 * flow.c (delete_dead_jumptables): New function.
1457 (life_analyzis): Call it.
1458 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1461 2001-07-25 Richard Henderson <rth@redhat.com>
1463 * except.c (reachable_handlers): Handle a region being removed
1464 out from under a RESX.
1466 2001-07-25 Richard Henderson <rth@redhat.com>
1468 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1469 swap GE/GT if it is an fp comparison.
1471 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1473 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1476 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1478 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1479 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1482 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1484 (visit_expression): When attempting to simplify an expression,
1485 retrieve any modes for arguments before they are simplified
1488 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1489 Janis Johnson <janis@us.ibm.com>
1491 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1492 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1493 pointer parameters to match documented usage of nonlocal_goto.
1494 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1495 parameters to their correct order.
1496 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1497 parameters to their correct order.
1499 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1501 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1503 2001-07-25 Jan Hubicka <jh@suse.cz>
1504 Richard Henderson <rth@redhat.com>
1506 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1508 (make_edges): New argument update_p; populate the edge cache if set.
1509 (find_basic_blocks): Update make_edges invocation.
1511 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1513 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1515 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1517 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1518 -Acpu and -Amachine.h.
1519 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1520 Corrected header to say ELF not a.out.
1521 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1522 when given -msoft-float.
1524 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1526 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1527 extra multilib parts like arm-elf.
1528 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1529 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1530 crtfini.o as extra multilib parts.
1532 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1534 * configure.in: Add rtems as a supported thread model.
1535 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1536 * configure: Rebuilt.
1538 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1540 * stor-layout.c (get_mode_alignment): make it work when
1541 BITS_PER_UNIT is not a power of two.
1542 * builtins.c (get_pointer_alignment): Likewise.
1544 2001-07-24 Richard Henderson <rth@redhat.com>
1546 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1547 the retrieved constant into the expected mode.
1549 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1551 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1552 (verify_flow_info): Check for duplicated edges; clarify
1555 * flow.c (block_label): Update basic_block_for_insn.
1556 (commit_edge_insertions): Call compute_bb_for_insn.
1558 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1561 * flow.c (redirect_edge_and_branch,
1562 try_optimize_cfg): Use redirect_edge_succ_nodup
1563 (redirect_edge_succ_nodup): New.
1564 * basic_block.h (redirect_edge_succ_nodup): Declare.
1566 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1569 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1571 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1572 (try_crossjump_to_edge): Update commetns.
1573 (try_crossjump_bb): Likewise.
1575 2001-07-24 Richard Henderson <rth@redhat.com>
1577 * combine.c (distribute_notes): Move set of need_refresh
1578 for noop_move_p down to catch all cases.
1580 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1582 * recog.c (split_all_insns_noflow): New.
1583 * rtl.h (split_all_insns_noflow): Declare.
1584 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1585 * m68hc11.c (m68hc11_reorg): Likewise.
1586 * sh.c (machine_dependent_reorg): Likewise.
1587 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1590 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1592 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1593 (ashlsi3_n splitter): Likewise.
1594 (lshrsi3_n splitter): Likewise.
1596 (GOTaddr2picreg): Make const SImode.
1597 (sym_label2reg): Likewise.
1598 (symGOT2reg): Likewise.
1599 (symGOTOFF2reg) Likewise.
1601 (casesi_worker_0): Make unspec SImode.
1603 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1605 * config/sh/sh.c (barrier_align): Check that an operand really is
1606 an insn before extracting its INSN_CODE.
1608 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1610 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1613 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1614 for SImode to prevent overflow.
1616 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1618 * config/mips/irix6-libc-compat.c: New file.
1619 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1620 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1623 2001-07-24 lars brinkhoff <lars@nocrew.org>
1625 * rtl.texi (REG_POINTER): Document.
1626 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1627 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1629 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1631 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1633 2001-07-23 Richard Henderson <rth@redhat.com>
1635 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1637 2001-07-23 Kazu Hirata <kazu@hxi.com>
1639 * config/h8300/h8300-protos.h: Add a prototype for
1640 general_operand_dst_push.
1641 * config/h8300/h8300.c (general_operand_dst_push): New.
1642 * config/h8300/h8300.h (OK_FOR_T): New.
1643 (EXTRA_CONSTRAINT): Use it.
1644 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1645 the existing movqi pattern.
1646 (movhi_push): Likewise.
1648 * reload.c: Fix comment typos.
1650 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1652 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1654 2001-07-23 H.J. Lu (hjl@gnu.org)
1656 * doc/extend.texi: Update __builtin_return_address and
1657 __builtin_frame_address.
1659 2001-07-23 Richard Henderson <rth@redhat.com>
1661 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1663 * config/i386/i386.md: New setcc+movzbl peephole2.
1665 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1667 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1668 * objc/objc-act.c: Include debug.h.
1669 (synth_module_prologue): Save and restore debug hooks too.
1671 2001-07-23 lars brinkhoff <lars@nocrew.org>
1673 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1674 and C4X_FLOAT_FORMAT.
1675 (BOOL_TYPE_SIZE): Document.
1677 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1679 * unroll.c (loop_iterations): Fix miscalculation of initial
1682 2001-07-13 Andrew Haley <aph@redhat.com>
1684 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1685 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1686 * config/sh/sh.c (sh_can_redirect_branch): New function.
1687 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1688 * reorg.c (steal_delay_list_from_target): Use
1689 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1691 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1693 * flow.c (try_simplify_condjump): Unlink insn chain on
1694 fallthru edge; use can_fallthru.
1696 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1698 * basic-block.h (find_sub_basic_block): Declare.
1699 * flow.c (make_edges): New arguments MIN and MAX;
1700 (find_sub_basic_blocks): Revamp to use make_edges
1701 and purge_dead_edges.
1702 (find_basic_blocks): Update call of find_sub_basic_block.
1704 * recog.c (split_all_insns): Always expect CFG to be consistent;
1705 call find_sub_basic_blocks in case something has changed.
1706 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1709 * basic-block.h (delete_noop_moves): Declare.
1710 * combine.c (combine_instructions): Call it.
1711 (recog_for_combine): Tolerate noop moves
1712 (distribute_notes): Force refresh when register dies at noop move.
1713 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1715 (life_analysis): Update delete_noop_moves call.
1716 (set_noop_p): Move too ...
1717 * rtlanal.c (noop_move_p): ... here.
1718 * rtl.h (noop_move_p): Declare.
1720 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1721 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1723 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1724 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1726 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1728 * reload.c (push_reload): Fix typo in comment.
1729 (find_reloads_address): Ditto.
1730 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1732 2001-07-22 Richard Henderson <rth@redhat.com>
1734 * flow.c: Grammar check and clarify a lot of comments.
1735 (try_simplify_condjump): Rename variables to be clearer.
1736 (try_forward_edges): Skip complex and fallthru edges.
1737 Rearrange tests to avoid duplicate checks.
1738 (flow_find_cross_jump): Likewise.
1739 (outgoing_edges_match): Allow match if neither branch has
1740 probability data. Loosen probability match to 5%.
1741 (try_crossjump_to_edge): Hoist repeated indirection into
1743 (try_crossjump_bb): Don't check complex edges. Eliminate
1744 redundant crossjump tests.
1745 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1746 checks before more expensive checks.
1748 2001-07-22 Richard Henderson <rth@redhat.com>
1750 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1751 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1754 2001-07-22 Richard Henderson <rth@redhat.com>
1756 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1757 (const_sint32_operand): Likewise.
1758 * m68k.md (anon mulsi pattern): Use const_int_operand not
1759 const_sint32_operand.
1760 (umulsi3_highpart): Zero extend a constant input.
1761 (smulsi3_highpart): Don't bother checking SImode constant.
1762 (const_umulsi3_highpart): Give op3 DImode.
1763 (const_smulsi3_highpart): Likewise.
1765 2001-07-22 Richard Henderson <rth@redhat.com>
1767 * flow.c (split_block): Make sure bb_note is included in the
1768 new block when splitting before a label.
1770 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1772 * basic-block.h (redirect_edge_and_branch_force,
1773 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1774 * flow.c (redirect_edge_and_branch_force,
1775 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1776 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1777 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1778 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1779 instead of label; update CFG after transformation.
1780 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1781 for finishing the transformation; handle even case where ELSE
1782 does not follow THEN.
1783 (find_if_case_2): Update call of dead_or_predictable; simplify
1786 * emit-rtl.c (split_branch_probability): New global variable.
1787 (try_split): Take care to set split_branch_probability and
1788 create REG_BR_PROB note for new jump insns.
1789 * md.texi (define_split): Document new feature.
1791 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1793 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1795 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1796 (asm_out_file): Remove redundant declaration.
1797 (assemble_asm): Remove old #if 0 block.
1798 (assemble_variable): Remove end of function; debug output is
1799 now handled with global_decl. Remove old #if 0 block. Update.
1800 Remove saved_in_section and associated no-op code.
1801 * Makefile.in (varasm.o): Correct dependencies.
1803 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1805 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1806 the definition in defaults.h.
1808 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1810 * jump.c: Update comments.
1811 (delete_barrier_successors, delete_unreferenced_labels,
1812 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1813 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1814 jump_optimize, jump_optimize_minimal): Kill.
1815 (rebuild_jump_labels): Move code from jump_optimize_1.
1816 (purge_line_number_notes): Likewise.
1817 (copy_loop_headers): Likewise.
1818 * reg-stack.c: Update comment.
1820 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1821 JUMP_AFTER_REGSCAN): Kill.
1822 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1823 purge_line_number_notes and copy_loop_headers.
1825 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1826 Richard Henderson <rth@redhat.com>
1828 * dbxout.c (dbxout_global_decl): New.
1829 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1830 * sdbout.c (sdbout_finish): New.
1831 (sdbout_debug_hooks): Use it, add comments.
1832 (sdbout_global_decl): Defer initialised public vars to
1834 * varasm.c (assemble_variable): Don't output debug information
1835 for file-scope variables.
1837 2001-07-22 Richard Henderson <rth@redhat.com>
1839 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1840 (get_round_mode_suffix): New.
1841 (print_operand): Use them for [/]. Remove support for [&'`()+].
1842 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1843 * config/alpha/alpha.md (attr round_suffix): New.
1844 (attr trap_suffix): New.
1845 (all insns): Set them appropriately. Use %/ instead of the
1848 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1850 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1852 2001-07-22 Richard Henderson <rth@redhat.com>
1854 * regrename.c (regrename_optimize): Compute nregs for each
1855 potential target register.
1857 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1858 Richard Henderson <rth@redhat.com>
1860 * dbxout.c (dbxout_global_decl): New.
1861 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1862 * sdbout.c (sdbout_finish): New.
1863 (sdbout_debug_hooks): Use it, add comments.
1864 (sdbout_global_decl): Defer initialised public vars to
1866 * varasm.c (assemble_variable): Don't output debug information
1867 for file-scope variables.
1869 2001-07-21 H.J. Lu (hjl@gnu.org)
1871 * config/mips/mips.c (mips_cpu): Moved into ...
1872 (override_options): Here.
1874 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1876 (mips_cpu): Removed.
1878 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1880 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1881 ("iorqi3"): Likewise.
1882 ("xorqi3"): Likewise.
1883 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1884 ("*subhi3_sp): Likewise.
1885 ("*subhi3"): Likewise.
1886 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1889 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1891 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1892 * config/freebsd.h: Likewise.
1893 * config/linux.h: Likewise.
1894 * config/openbsd.h: Likewise.
1895 * config/alpha/linux-elf.h: Likewise.
1896 * config/arm/linux-elf.h: Likewise.
1897 * config/d30v/d30v.h: Likewise.
1898 * config/fr30/fr30.h: Likewise.
1899 * config/ia64/aix.h: Likewise.
1900 * config/ia64/ia64.h: Likewise.
1901 * config/mips/linux.h: Likewise.
1902 * config/pj/pj.h: Likewise.
1903 * config/rs6000/linux.h: Likewise.
1904 * config/sparc/linux.h: Likewise.
1905 * config/sparc/linux64.h: Likewise.
1907 2001-07-20 Bruce Korb <bkorb@gnu.org>
1909 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1910 because getc() and char* may disagree on signedness.
1912 2001-07-20 Richard Henderson <rth@redhat.com>
1914 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1916 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1917 insns to delete in the presence of cc0 in a jump insn.
1919 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1920 Jan Hubicka <jh@suse.cz>
1922 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1923 of doing the change by hand.
1925 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1927 * rtlanal.c (set_noop_p): Return true for noop jumps.
1929 * expr.c (emit_single_push_insn): Add call to push expander.
1930 * expr.h (optab_index): Add OTI_push
1931 (push_optab): New constant.
1932 * genopinit.c (optabs): Add push_optab.
1933 * optabs.c (init_optab): Init push optab.
1934 * md.texi (push??1): Document
1936 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1938 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1939 expand to emit the pattern; put a REG_INC note for push/pop
1941 ("movdf", "movdf_internal"): Likewise.
1942 ("movsi", "movsi_internal"): Likewise.
1943 ("movsf", "movsf_internal"): Likewise.
1944 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1946 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1948 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1951 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1953 * params.def: Change default max inline insns to 100.
1955 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1957 * combine.c (combine_simplify_rtx): Generate a new shift operation
1958 when simplifying the first operand of a (neg (ashift)) expression.
1960 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1962 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1964 2001-07-20 Kelley Cook <kelley.cook@home.com>
1966 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1967 information. Move rest into ...
1968 (*-*-solaris): ... here. Eliminate redundant information and
1969 reword necessary packages section. Delete 4.x assembler bug info.
1970 (sparc-sun-*): Merge into ...
1971 (sparc-sun-sunos*): here.
1973 2001-07-20 Catherine Moore <clm@redhat.com>
1975 * config/v850/v850.md (casesi): Generate LABEL_REF
1978 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1980 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1981 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1982 * i386.md (strclrsi expander): Use it.
1984 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1986 * integrate.c (copy_insn_list): handle
1987 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1988 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1989 identically as to CODE_LABEL.
1991 * fold-const (fold): Convert A/B/C to A/(B*C) and
1994 * except.c (connect_post_landing_pads): Delete the RESX insns.
1996 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1998 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2000 * config/mips/mips.md (nmadd/nmsub): Use macro.
2002 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2004 * cppinit.c (remove_dup_dir): Make static.
2005 (remove_dup_dirs): Make static. Only warn about preempting a
2006 system directory with a non-system directory.
2008 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2010 * ifcvt.c (noce_try_store_flag_constants): Correct order
2011 of parameters to trunc_int_for_mode.
2013 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2015 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2016 an exception that will be caught within this function, do not fill
2017 its delay slot with any subsequent instruction.
2019 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2021 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2022 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2023 pointer extension instruction.
2024 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2025 * simplify-rtx.c (simplify_unary_operation) Likewise.
2026 * explow.c (convert_memory_address) Check value of
2027 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2029 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2030 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2031 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2032 Add Multilib Support.
2033 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2034 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2035 Add Multilib Support.
2036 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2038 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2039 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2040 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2042 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2044 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2045 old and new operands in `<', `3' and `b'.
2047 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2049 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2050 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2051 (toplev.o): Don't depend on xcoffout.h.
2052 * c-decl.c: Include debug.h
2053 (duplicate_decls): Use debug hook.
2054 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2055 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2056 (dbxout_types): Remove.
2057 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2058 * debug.c (do_nothing_debug_hooks): Update.
2059 (debug_true_tree, debug_nothing_rtx): New.
2060 * debug.h (struct rtx_def): New.
2061 (struct gcc_debug_hooks): New hooks ignore_block,
2062 outlining_inline_function and label.
2063 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2064 dwarf2out_frame_finish): New.
2065 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2066 Make static, update prototype.
2067 (dwarf2_debug_hooks): Update.
2068 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2069 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2070 * dwarfout.c (dwarf_debug_hooks): Update.
2071 * emit-rtl.c: Include debug.h.
2072 (remove_unnecessary_notes): Use debug hook.
2073 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2074 (final_scan_insn): Use debug hook.
2075 * integrate.c (output_inline_function): Use debug hook.
2076 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2077 (sdb_debug_hooks): Update.
2078 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2079 * toplev.c: Don't include xcoffout.h.
2080 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2081 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2083 * tree.h (dwarf2out_do_frame): Remove.
2085 2001-07-19 Catherine Moore <clm@cygnus.com>
2087 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2089 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2091 * reload1.c (eliminate_regs_in_insn): When updating a set
2092 to the frame pointer to the hardware frame pointer, perform
2093 the update always not just when REPLACE is set.
2095 * reload1.c (choose_reload_regs): Don't inherit a reload
2096 that crosses multiple registers if registers past the first
2097 don't fit in the desired class.
2099 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2100 when negating constants.
2102 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2104 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2105 * doc/tree.texi: Ditto.
2107 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2108 Jakub Jelinek <jakub@redhat.com>
2110 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2111 (extract_cie_info): Handle "eh" augmentation properly,
2113 (struct frame_state, __frame_state_for): New.
2115 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2117 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2118 HANDLE_SYSV_PRAGMA): Define.
2119 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2121 (copy_object): Caller changed.
2123 2001-07-19 Andreas Schwab <schwab@suse.de>
2125 * configure.in (assembler dwarf2 debug_line support): Define nop
2127 * configure: Regenerated.
2129 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2131 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2133 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2134 to conditionally compiled block.
2135 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2136 * dbxout.h (dbxout_function): Remove.
2137 * debug.c (do_nothing_debug_hooks): Update.
2138 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2139 global_decl, deferred_inline_function.
2140 * dwarf2out.c (dwarf2_debug_hooks): Update.
2141 (dwarf2out_global_decl): New.
2142 * dwarfout.c: Don't include dwarfout.h.
2143 (dwarfout_global_decl, dwarfout_function_decl,
2144 dwarfout_deferred_inline_function): New.
2145 (dwarf_debug_hooks): Update.
2146 * dwarfout.h: Remove.
2147 * final.c: Don't include dwarfout.h.
2148 * sdbout.c (sdbout_global_decl): New.
2149 (sdbout_debug_hooks): Update.
2150 * toplev.c: Don't include dwarfout.h.
2151 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2152 (note_deferral_of_defined_inline_function): Remove.
2153 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2154 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2155 * ch/lex.c: Don't include dwarfout.h.
2156 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2157 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2158 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2159 * cp/optimize.c: Include debug.h.
2160 (maybe_clone_body): Use debug hook.
2161 * cp/semantics.c: Include debug.h.
2162 (expand_body): Use debug hook.
2163 * po/POTFILES.in: Remove dwarfout.h.
2165 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2167 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2168 * c-parse.in (yyerror, _yylex): Similarly.
2169 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2170 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2172 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2173 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2175 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2177 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2178 in-class declaration at -g1. Fixes c++/2814.
2180 2001-07-18 Richard Henderson <rth@redhat.com>
2182 * doc/md.texi (reload_in/out): Document restrictions in predicates
2183 and constraints for these patterns. Document empty string matching
2186 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2188 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2190 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2192 * cse.c: Undo my previous patch.
2194 2001-07-18 Tom Tromey <tromey@redhat.com>
2197 * configure: Rebuilt.
2198 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2200 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2202 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2203 Jan Hubicka <jh@suse.cz>
2205 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2206 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2207 * jump.c (mark_jump_label): Do not forward branches.
2209 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2211 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2212 when return value is unused.
2214 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2216 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2218 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2220 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2221 on error. We can't blindly return the result of
2222 pthread_mutex_trylock because it returns a positive number on
2223 error, while we must return -1 on error.
2224 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2226 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2228 2001-07-18 Andreas Jaeger <aj@suse.de>
2230 * integrate.c (output_inline_function): Correct type of debug_hooks.
2232 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2234 * combine.c (combine_simplify_rtx): DIV can be treated
2235 associatively for floats if unsafe math optimisations are enabled.
2237 2001-07-17 Richard Henderson <rth@redhat.com>
2239 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2241 2001-07-17 Richard Henderson <rth@redhat.com>
2243 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2244 don't force the function address into a register.
2245 (expand_call, emit_library_call_value_1): Update callers.
2246 * builtins.c (expand_builtin_apply): Likewise.
2247 * expr.h (prepare_call_address): Update decl.
2249 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2251 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2253 * config/i386/chorus.h: Move up.
2254 * config/sparc/chorus.h: Likewise.
2255 * config/rs6000/chorus.h: Likewise.
2256 * config/chorus.h: Moved here.
2258 2001-07-17 Andreas Schwab <schwab@suse.de>
2260 * configure.in (assembler eh_frame optimization): Handle big
2262 * configure: Regenerated.
2264 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2266 * expr.c (epxand_expr): Convert divisions into multiplications by
2267 reciprocals if -ffast-math.
2269 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2271 * dbxout.c (dbxout_really_begin_function): Rename to
2272 dbxout_begin_function.
2273 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2274 (dbxout_begin_function): Remove.
2275 (dbxout_function): Update.
2276 (dbxout_source_line): Update prototype.
2277 * dbxout.h (dbxout_begin_function): Remove.
2278 * debug.c (do_nothing_debug_hooks): Update.
2279 (debug_nothing_tree): Update.
2280 (debug_nothing_charstar_rtx): Remove.
2281 * debug.h (union tree_node): Declare.
2282 (struct rtx_def): Remove.
2283 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2284 begin_function. Change source_line prototype.
2285 (debug_nothing_tree): New.
2286 (debug_nothing_charstar_rtx): Delete.
2287 (dwarf2out_begin_prologue): Moved from ...
2289 * dwarf2out.c (dwarf2_debug_hooks): Update.
2290 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2291 debug info, call dwarf2out_source_line.
2292 (dwarf2out_souce_line): Update prototype.
2293 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2294 Change prototype, make static.
2295 (dwarfout_source_line): Update prototype.
2296 (dwarf_debug_hooks): Update.
2297 * dwarfout.h (dwarfout_begin_function): Remove.
2298 * final.c (final_start_function, final_scan_insn): Use appropriate
2299 debug hooks, update to use notice_source_line.
2300 (output_source_line): Rename notice_source_line. Don't call the
2301 source_line debug hook.
2302 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2303 make static, update prototype.
2304 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2306 (sdbout_end_prologue): New.
2307 (sdbout_source_line): Update prototype.
2308 (sdbout_debug_hooks): Update.
2309 (sdbout_symbol): Remove unused var.
2310 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2312 * varasm.c: Include debug.h.
2313 (assemble_start_function): Use begin_function debug_hook.
2314 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2315 update with prototype.
2316 (xcoffout_source_line): Update prototype.
2317 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2319 (xcoffout_source_line): Update prototype.
2321 2001-07-17 Richard Henderson <rth@redhat.com>
2323 * c-typeck.c (build_binary_op): Do not shorten unsigned
2324 right shift after sign extension.
2326 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2328 * combine.c (combine_simplify_rtx): Attempt to simplify
2329 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2331 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2332 (simplify_binary_operation, simplify_unary_operation,
2333 simplify_relational_operation): Use it.
2335 * combine.c (combine_simplify_rtx): Don't do associative law
2336 on divisions; allow associative law on floats.
2338 2001-07-17 H.J. Lu <hjl@gnu.org>
2339 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2341 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2342 ASM_OUTPUT_WEAK_ALIAS are defined.
2343 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2344 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2346 * config/mips/iris5.h: ... here.
2347 (HANDLE_SYSV_PRAGMA): Defined as 1.
2348 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2349 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2352 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2354 * c-parse.in (all_prefix_attributes): New variable.
2355 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2356 (maybe_resetattrs): New production.
2357 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2358 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2359 notype_initdcl, nested_function, notype_nested_function,
2360 component_decl, components, components_notype,
2361 component_declarator, component_notype_declarator,
2362 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2363 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2364 after a comma being applied to more than one declarator.
2365 * doc/extend.texi (Attribute Syntax): Update. Remove
2366 documentation of bugs that are no longer present.
2368 2001-07-13 Eric Christopher <echristo@redhat.com>
2370 * config/mips/mips.h: Change TUNE_MIPS* options to use
2372 (EXTRA_SPECS): Add cc1_cpu_spec.
2373 * config/mips/mips.md (muldf3): Fix typo.
2375 2001-07-16 Richard Henderson <rth@redhat.com>
2377 * config/m68k/m68k.c: Include expr.h and reload.h.
2378 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2379 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2381 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2382 Richard Henderson <rth@redhat.com>
2384 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2385 (insn_live_p): Fix fall off end of function.
2386 (dead_libcall_p): Remove COUNTS argument; update callers.
2387 (delete_trivially_dead_insns): Remove unused variables.
2389 2001-07-17 Andreas Jaeger <aj@suse.de>
2391 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2394 * lcm.c (optimize_mode_switching): Avoid warning for unused
2395 variable if !NORMAL_MODE.
2397 * flow.c (try_crossjump_to_edge): Remove unused variable.
2399 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2401 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2402 atexit declaration in stdlib.h.
2404 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2406 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2408 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2410 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2411 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2412 do rebuild_jump_labels instead of jump_optimize
2413 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2414 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2415 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2417 * flow.c: Include timevar.h
2418 (find_basic_block): Push/pop timevar;
2419 (cleanup_cfg): Likewise.
2420 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2421 * Makefile: Add dependencies on timevar.h
2423 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2424 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2426 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2427 * toplev.c (rest_of_compilation): Update calls.
2428 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2429 (delete_trivially_dead_insns): ... here; accept new argument
2430 preserve_basic_blocks; preserve basic blocks if set.
2432 * reg-stack.c (stack_regs_mentioned): Return 0 if
2433 stack_regs_mentioned_data is not initialized.
2434 (reg_to_stack): Make stack_regs_mentioned survive after the
2435 reg-stack is completted; do not call cleanup_cfg.
2436 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2437 make cleanup_cfg after bb-reorder to output to debug file.
2439 2001-07-16 Richard Henderson <rth@redhat.com>
2441 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2442 from int_reg_class_contents.
2444 2001-07-16 Richard Henderson <rth@redhat.com>
2446 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2447 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2448 (init_reg_sets_1): Move initialization from cse_main.
2449 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2450 (cse_main): Move its initialization also.
2451 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2452 * flow.c (propagate_one_insn): Likewise.
2453 * gcse.c (compute_hash_table): Likewise.
2454 (compute_kill_rd, compute_store_table): Likewise.
2455 * sched-deps.c (sched_analyze_1): Likewise.
2457 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2459 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2462 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2464 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2465 in if statement so we don't access undefined memory.
2467 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2469 * gcse.c: Update comment at top.
2470 Update comment on mem handling.
2471 mem_last_set, mem_first_set, mem_set_in_block: gone.
2472 Declaration of reg_set_info: gone.
2473 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2474 pointless with load_killed_in_block_p (they are *more*
2475 conservative then it, not less, and less accurate).
2476 (oprs_not_set_p): Ditto.
2477 (alloc_gcse_mem): Don't allocate mem_set_in_block
2478 (free_gcse_mem): Don't free it, either.
2479 (record_last_mem_set_info): Update comment in front, remove
2480 mem_*set_* stuff. Note the reason we don't handle stores directly
2482 (compute_hash_table): Update comments to reflect reality. Remove
2483 mem_*set_* references.
2484 (reset_opr_set_tables): Remove mem_*set_* references.
2486 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2487 (mark_clobber): Ditto (on both parts, we double set here too).
2488 (expr_killed_p): Remove mem_set_in_block test.
2489 (compute_transp): Remove mem_set_in_block test.
2491 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2492 of edge, and removal of phi alternative to dump file.
2493 (ssa_ccp_substitute_constants): Add note about register now being
2494 constant, and which uses were replaced in what insns to dump file.
2496 2001-07-16 Andreas Jaeger <aj@suse.de>
2498 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2499 variables of type HOST_WIDEST_INT.
2501 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2502 (__bb_exit_func): Correct type of count_max to avoid overflow.
2503 (num_digits): Handle long long argument.
2505 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2507 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2509 * output.h (sdb_begin_function_line): Restore as an extern
2511 * sdbout.c (sdb_begin_function_line): Make extern.
2513 2001-07-15 Richard Henderson <rth@redhat.com>
2515 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2516 * genrecog.c (maybe_both_true_mode): New.
2517 (maybe_both_true_2): Use it.
2518 (write_switch): Don't put Pmode in a switch.
2519 * rtl.c (mode arrays): Don't explicitly size them.
2521 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2523 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2524 handling; move unconditional splitting before mode switching.
2526 * i386.md (type): Add fistp type.
2527 (i387, length_attr, scheduling definitions): Handle this type.
2528 (fix_trunc?f?i2): Revamp to use mode switching.
2529 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2530 * i386.h (fp_cw_mode): New enum
2531 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2532 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2534 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2536 * Makefile.in (integrate.o): Add debug.h.
2537 * integrate.c (debug.h): Add.
2538 (output_inline_function): Save, reset, and restore debug_hooks.
2540 2001-07-15 Richard Henderson <rth@redhat.com>
2542 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2543 instead of COMPARE for the EQUIV expression.
2545 2001-07-15 Richard Henderson <rth@redhat.com>
2547 * flow.c (redirect_edge_and_branch_force): Initialize
2548 global_live_at_start and global_live_at_end.
2549 (allocate_bb_life_data): Export.
2550 * basic-block.h (allocate_bb_life_data): Declare.
2551 * toplev.c (rest_of_compilation): Call it.
2553 2001-07-15 Richard Henderson <rth@redhat.com>
2555 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2556 (alpha_tablejump_best_label): New.
2557 * config/alpha/alpha-protos.h: Declare them.
2558 * config/alpha/alpha.md: Use braced strings for code blocks.
2559 (tablejump_osf): Break out add with r29.
2560 (tablejump_osf_internal): Remove.
2561 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2562 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2564 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2566 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2569 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2571 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2572 (ix86_fp_jump_nontrivial_p): New.
2573 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2574 use ix86_fp_jump_nontrivial_p.
2575 * i386.c (ix86_fp_jump_nontrivial_p): New.
2576 (ix86_split_fp_branch): Accept code instead of rtx.
2577 (ix86_expand_compare): Expand comparison early in case
2578 doing so is resonably cheap.
2580 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2582 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2584 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2585 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2587 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2589 * dbxout.c (dbxout_source_line): Make static, update prototype.
2590 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2591 (dbxout_init, dbxout_finish, dbxout_source_line,
2592 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2593 * dbxout.h (dbxout_source_line): Delete.
2594 * debug.c (debug_nothing_file, debug_nothing_file_int,
2595 debug_nothing_file_charstar_rtx): New.
2596 (do_nothing_debug_hooks): Update.
2597 (debug_nothing_void, debug_nothing_charstar_rtx,
2598 dwarf2out_end_epilogue): New.
2599 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2600 * debug.h (struct rtx_def): Declare.
2601 (gcc_debug_hooks): New hooks source_line, end_epilogue
2603 (debug_nothing_void, debug_nothing_charstar_rtx,
2604 dwarf2out_end_epilogue): New.
2605 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2606 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2607 (dwarf2_debug_hooks): Update.
2608 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2609 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2610 * dwarf2out.h (dwarf2out_source_line): Remove.
2611 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2612 Make static, update prototype.
2613 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2614 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2615 (dwarf_debug_hooks): Update.
2616 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2617 dwarfout_end_function): Remove.
2618 * final.c (profile_function): Use debug hooks for ending functions
2620 (output_source_line, final_end_function): Update prototype,
2622 (final_start_function, final_scan_insn): Update.
2623 * output.h (sdb_begin_function_line): Remove.
2624 (final_end_function): Update prototype.
2625 * sdbout.c (sdb_begin_function_line): Make static.
2626 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2627 (sdbout_source_line): New.
2628 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2630 (sdb_debug_hooks): Update.
2631 (sdbout_init, sdbout_source_line,
2632 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2633 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2634 * toplev.c (compile_file, rest_of_compilation): Update.
2635 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2636 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2637 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2638 Update for prototype changes.
2639 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2640 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2642 2001-07-15 Richard Henderson <rth@redhat.com>
2644 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2645 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2646 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2647 * config/alpha/alpha.c: Likewise.
2648 * config/alpha/alpha.md: Likewise.
2649 * config/alpha/alpha32.h: Likewise.
2650 * config/alpha/vms.h: Likewise.
2653 2001-07-14 Richard Henderson <rth@redhat.com>
2655 * config/alpha/alpha.md: Use define_constants for unspec values.
2656 Substitute throughout.
2658 2001-07-14 Tim Josling <tej@melbpc.org.au>
2660 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2662 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2664 * pa.md: Remove unused constraints from define_split's.
2666 2001-04-14 Richard Henderson <rth@redhat.com>
2668 * ifcvt.c (find_cond_trap): Test for exit block.
2670 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2672 Re-install recently reverted patch.
2673 * emit-rtl.c (try_split): Update mark_jump_label call.
2674 * flow.c (find_sub_basic_blocks): Likewise.
2675 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2677 (mark_all_labels): Kill second parameter.
2678 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2679 (rebuild_jump_labels, jump_optimize_minimal): Update call
2681 (jump_optimize_1): Kill crossjumping code.
2682 (mark_jump_label): Kill cross_jump parameter.
2683 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2684 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2685 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2687 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2689 (dump_file_info): Likewise.
2690 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2691 reorganize passes to do reg-stack first, bb-reorder second.
2692 * invoke.texi (-d letters doc): Remove the jump2 pass.
2694 2001-07-14 Richard Henderson <rth@redhat.com>
2696 * ifcvt.c (find_cond_trap): New.
2697 (find_if_header): Call it.
2698 (merge_if_block): Relax existing jump sanity check.
2699 * jump.c (jump_optimize_1): Remove conditional trap handling.
2701 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2703 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2705 (insn_refs_are_delayed): Correct comment.
2706 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2707 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2708 instead of r31. Make associated insn !TARGET_64BIT, and
2709 provide an additional 64-bit insn that clobbers r2.
2711 (udivsi3): Likewise.
2713 (umodsi3): Likewise.
2715 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2717 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2719 * flow.c (redirect_edge_and_branch_force, split_edge,
2720 try_crossjump_to_edge): Use set_block_for_new_insns.
2721 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2723 2001-07-13 H.J. Lu (hjl@gnu.org)
2725 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2728 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2730 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2732 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2734 * c-common.c (decl_attributes): Take a pointer to the node to
2735 which attributes are to be attached, and a flags argument.
2736 * c-common.h (enum attribute_flags): New.
2737 (decl_attributes): Update prototype.
2738 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2739 finish_enum, start_function): Update calls to decl_attributes.
2740 * c-parse.in (component_declarator, component_notype_declarator,
2741 label): Update calls to decl_attributes.
2743 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2745 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2746 * config/avr/avr.c (legitimate_address_p): Return value changed
2747 from letter to register classes. For better debugging.
2749 2001-07-13 Kazu Hirata <kazu@hxi.com>
2751 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2753 2001-07-13 H.J. Lu (hjl@gnu.org)
2755 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2757 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2759 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2760 correctly for shared configurations.
2761 * config/t-libgcc-pic: New.
2762 * config/{i386,m68k,sparc}/t-openbsd: New.
2763 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2764 Support -shared. Support debugging libraries with -g.
2765 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2766 frame information does not emit pointer diffs.
2767 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2770 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2772 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2774 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2776 * combine.c (try_combine): Ensure const_int pow2 is positive.
2778 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2780 * config.gcc: Add configuration for s/390.
2781 * config/s390/s390.c: New. Subroutines for code generation.
2782 * config/s390/s390.h: New. Definitions for s/390.
2783 * config/s390/s390-protos.h: New. Prototypes.
2784 * config/s390/linux.h: New. Definitions for linux for s/390.
2785 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2786 * config/s390/t-linux: New. Makefile fragment.
2787 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2788 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2790 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2792 * emit-rtl.c (try_split): Update mark_jump_label call.
2793 * flow.c (find_sub_basic_blocks): Likewise.
2794 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2796 (mark_all_labels): Kill second parameter.
2797 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2798 (rebuild_jump_labels, jump_optimize_minimal): Update call
2800 (jump_optimize_1): Kill crossjumping code.
2801 (mark_jump_label): Kill cross_jump parameter.
2802 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2803 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2804 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2806 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2808 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2809 reorganize passes to do reg-stack first, bb-reorder second.
2810 * invoke.texi (-d letters doc): Remove the jump2 pass.
2812 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2814 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2816 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2818 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2820 (verify_flow_info): Make diagnostics prettier.
2822 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2824 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2826 * flow.c (outgoing_edges_match): Return early if condition reversal
2829 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2831 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2832 (mips_move_2words): When splitting a move into two instructions,
2833 prefix the second address operand with '%D'.
2835 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2837 * Makefile.in (final.o): Depend on debug.h.
2838 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2839 (dbx_debug_hooks): Add new hooks.
2840 (xcoff_debug_hooks): New.
2841 * debug.c (debug_nothing_file_int_int): New.
2842 (do_nothing_debug_hooks): Update.
2843 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2844 (debug_nothing_file_int_int): New.
2845 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2846 static, update prototype.
2847 (dwarf2_debug_hooks): Update.
2848 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2849 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2850 static, update prototype.
2851 (dwarf_debug_hooks): Update.
2852 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2853 * final.c: Include debug.h.
2854 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2855 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2856 static, update prototype.
2857 (sdb_debug_hooks): Update.
2858 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2859 * toplev.c: Distinguish between xcoff and dbx.
2861 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2862 Call all debug hooks, not just dwarf ones.
2864 2001-07-11 Timothy Wall <twall@redhat.com>
2866 * config.gcc: Add configuration for AIX5/IA64.
2867 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2868 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2869 support prefix/suffix code.
2870 * config/ia64/t-aix: New. Makefile fragment.
2871 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2873 2001-07-11 Kazu Hirata <kazu@hxi.com>
2875 * recog.c (validate_change): Fix a comment typo.
2877 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2879 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2880 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2882 * dbxout.c (dbx_debug_hooks): Add new hooks.
2883 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2885 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2887 * dbxout.h (dbxout_start_new_source_file,
2888 dbxout_resume_previous_source_file): Delete.
2889 * debug.c (do_nothing_debug_hooks): Add new hooks.
2890 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2891 (debug_nothing_int_charstar, debug_nothing_int): New.
2892 * debug.h (gcc_debug_hooks): New hooks define, undef,
2893 start_source_file and end_source_file.
2894 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2895 (debug_nothing_int_charstar, debug_nothing_int): New.
2896 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2897 the conditionally compiled section.
2898 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2899 dwarf2out_define, dwarf2out_undef): Make static.
2900 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2901 dwarf2out_define, dwarf2out_undef): Remove.
2902 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2903 (dwarfout_start_source_file, dwarfout_end_source_file,
2904 dwarfout_define, dwarfout_undef): Make static.
2905 (dwarfout_start_source_file_check,
2906 dwarfout_end_source_file_check): New.
2907 (dwarfout_define, dwarfout_finish): Update.
2908 * dwarfout.h (dwarfout_start_new_source_file,
2909 dwarfout_resume_previous_source_file, dwarfout_define,
2910 dwarfout_undef): Remove.
2911 * sdbout.c (sdb_debug_hooks): Add new hooks.
2912 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2914 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2915 make static, take an arg.
2916 * sdbout.h (sdbout_start_new_source_file,
2917 sdbout_resume_previous_source_file): Delete.
2918 * toplev.c (debug_start_source_file, debug_end_source_file,
2919 debug_define, debug_undef): Delete.
2920 * toplev.h (debug_start_source_file, debug_end_source_file,
2921 debug_define, debug_undef): Delete.
2923 * java/jcf-parse.c: Include debug.h.
2924 (parse_class_file): Update to use debug hooks directly.
2925 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2927 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2929 * alias.c (set_mem_alias_set): New function.
2930 * rtl.h (set_mem_alias_set): Declare it.
2931 * builtins.c (expand_builtin_return_addr): Call it instead of
2932 using MEM_ALIAS_SET accessor.
2933 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2934 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2935 (expand_builtin_va_copy):Likewise.
2936 * caller-save.c (setup_save_areas): Likewise.
2937 * calls.c (compute_argument_addresses): Likewise.
2938 * explow.c (set_mem_attributes): Likewise.
2939 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2940 (expand_assignment, store_constructor_field, store_field): Likewise.
2941 (expand_expr_unaligned): Likewise.
2942 * function.c (assign_stack_temp_for_type): Likewise.
2943 (put_reg_into_stack, gen_mem_addressof): Likewise.
2944 * ifcvt.c (noce_try_cmove_arith): Likewise.
2945 * reload1.c (reload, alter_reg): Likewise.
2946 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2947 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2948 (alpha_expand_unaligned_store): Likewise
2949 (alpha_expand_unaligned_load_words): Likewise.
2950 (alpha_expand_unaligned_store_words): Likewise.
2951 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2952 (alpha_expand_epilogue): Likewise.
2953 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2954 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2955 * config/i386/i386.c (legitimize_pic_address): Likewise.
2956 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2957 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2958 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2959 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2960 * config/mips/mips.c (mips_va_arg): Likewise.
2961 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2962 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2963 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2964 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2965 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2966 (rs6000_emit_epilogue): Likewise.
2967 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2968 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2969 * config/v850/v850.c (v850_va_arg): Likewise.
2971 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2973 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2974 when fallthru edge is present.
2975 (mege_blocks): Handle case where creation of jump insn
2978 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2979 CLEANUP_POST_REGSTACK): New constants.
2980 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2981 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2982 * output.h (cleanup_cfg): Update prototype.
2983 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2984 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2985 cleanup_cfg call; kill missleading comment.
2986 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2987 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2988 parameter; control optimizations performed using it.
2989 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2990 try_crossjump_bb): New functions.
2992 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2994 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2996 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2997 pa_output_function_prologue.
2998 * pa-protos.h (pa_output_function_prologue): New prototype.
3000 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3002 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3003 and low to get correct sign extension in low+high test.
3005 2001-07-11 Janis Johnson <janis@us.ibm.com>
3007 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3008 for large hit count.
3010 * profile.c (branch_prob): Fix .bbg info for computed gotos
3013 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3015 * stmt.c (parse_output_constraint): New function, split out
3017 (expand_asm_operands): ... here. Use parse_output_constraint.
3018 * tree.h (parse_output_constraint): Declare it.
3020 2001-07-11 Richard Henderson <rth@redhat.com>
3022 * bitmap.c: Comment some functions; fiddle whitespace.
3023 (bitmap_free): Don't export.
3024 (bitmap_element_allocate): Use memset.
3025 * bitmap.h (bitmap_free): Don't declare.
3027 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3029 * gcse.c, lcm.c, sched-deps.c:
3030 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3032 * flow.c (flow_loops_find): Free dom if we found no loops, since
3033 we aren't going to save it.
3035 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3038 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3040 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3042 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3044 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3045 #ifndef DWARF2_DEBUGGING_INFO.
3047 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3049 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3051 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3053 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3054 reverse a branch if a NE comparison is implemented with GTU.
3056 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3057 H.J. Lu <hjl@gnu.org>
3059 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3061 (call_internal2): Likewise.
3062 (call_value_internal1): Likewise.
3063 (call_value_internal2): Likewise.
3064 (call_value_multiple_internal1): Likewise.
3065 (call_value_multiple_internal2): Likewise.
3067 2001-07-10 Kazu Hirata <kazu@hxi.com>
3069 * calls.c (emit_library_call_value_1): Fix a comment typo.
3070 * dwarf2out.c (mem_loc_descriptor): Likewise.
3071 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3073 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3075 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3077 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3079 * recog.c (offsettable_address_p): Handle LO_SUM case.
3080 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3081 instead of plus_constant.
3083 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3085 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3086 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3088 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3090 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3091 adjust_address_nv instead of plus_constant.
3093 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3095 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3096 dwarf2out.o): Depend on debug.h, wrap long lines.
3097 * dbxout.c: Include debug.h.
3098 (dbx_debug_hooks): New.
3099 (dbxout_init): Make static, take just 2 args.
3100 (dbxout_finish): Make static.
3101 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3102 * debug.c: New file.
3103 * debug.h: New file.
3104 * dwarf2out.c: Include debug.h.
3105 (dwarf2_debug_hooks): New.
3106 (dwarf2out_init): Make static.
3107 (dwarf2out_finish): Make static, take 2 args.
3108 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3109 * dwarfout.c: Include debug.h.
3110 (dwarf_debug_hooks): New.
3111 (dwarfout_init): Make static.
3112 (dwarfout_finish): Make static, take 2 args.
3113 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3114 * sdbout.c: Include debug.h.
3115 (sdb_debug_hooks): New.
3116 (sdbout_init): Make static, take 2 args.
3117 * sdbout.h (sdbout_init): Delete.
3118 * toplev.c: Include debug.h.
3120 (compile_file): Set deubg_hooks based on command line options.
3121 Use the hooks unconditionally rather than conditional compilation.
3123 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3125 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3126 first_insn_after_basic_block_note instead.
3128 * df.c (df_bb_refs_unlink): #if 0 out for now.
3130 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3132 * ssa.h: Add prototype for ssa_const_prop
3133 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3134 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3135 (ssa_fast_dce): Remove unused variable
3137 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3139 * diagnostic.c (finish_diagnostic): Rename to
3140 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3143 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3145 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3148 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3149 (dump_file): Only pad the demangled name with spaces if the
3150 mangled name was padded with spaces.
3152 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3154 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3157 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3159 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3160 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3163 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3164 whether can put offset inside LO_SUM to check mode alignment, not size.
3166 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3168 * doc/tm.texi (Misc): Fix thinko.
3170 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3172 * regmove.c (replace_in_call_usage): Fix warnings.
3173 * sched-deps.c (add_dependence): Fix warnings.
3174 * simplify-rtx.c (simplify_subreg): Likewise.
3175 Return NULL_RTX instead of NULL.
3177 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3178 (subst_asm_stack_regs): Likewise.
3180 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3183 * dwarf2out.c (output_call_frame_info): Declare i as int.
3184 (build_abbrev_table): Declare n_alloc as int.
3185 (dwarf2out_finish): Initialize die.
3186 * except.c: Declare sjlj_funcdef_number as unsigned.
3187 (connect_post_landing_pads): Declare j as unsigned.
3188 (convert_to_eh_region_ranges): Initialize call_site.
3189 (output_function_exception_table): Initialize tt_format_size.
3190 * expr.c (move_by_pieces_1): Initialize to1.
3191 (store_constructor): Initialize minelt and maxelt.
3192 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3193 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3195 * c-decl.c (combine_parm_decls): Unused, remove.
3196 * c-tree.h: Remove prototype for combine_parm_decls.
3198 * reload.c (push_reload): Fix warning.
3199 (regno_clobbered_p): Likewise.
3200 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3201 (reload_combine): Likewise.
3203 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3204 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3206 * bitmap.c (bitmap_operation): Change user.
3207 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3209 2001-07-10 Eric Christopher <echristo@redhat.com>
3211 * config/mips/mips.c (override_options): Fix typo.
3213 2001-07-09 Stan Shebs <shebs@apple.com>
3215 * target.h (struct gcc_target): New fields init_builtins and
3217 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3218 (TARGET_EXPAND_BUILTIN): New macro.
3219 (TARGET_INITIALIZER): Add them.
3220 * builtins.c: Include target.h.
3221 (expand_builtin): Use targetm.expand_builtin.
3222 (default_init_builtins): New function.
3223 (default_expand_builtin): New function.
3224 * expr.h (default_init_builtins): Declare.
3225 (default_expand_builtin): Declare.
3226 * c-common.c (c_common_nodes_and_builtins): Use
3227 targetm.init_builtins.
3228 * defaults.h (MD_INIT_BUILTINS): Remove.
3229 * Makefile.in (builtins.o): Depend on target.h.
3231 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3232 (TARGET_EXPAND_BUILTIN): Define.
3233 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3234 (MD_EXPAND_BUILTIN): Remove.
3236 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3237 (TARGET_EXPAND_BUILTIN): Define.
3238 (c4x_init_builtins): Make endlink arg a local.
3239 (c4x_print_operand): Fix typos in adjust_address usages.
3240 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3241 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3242 (MD_EXPAND_BUILTIN): Remove.
3244 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3245 (TARGET_EXPAND_BUILTIN): Define.
3246 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3247 (ix86_init_builtins): Call new function only if TARGET_MMX.
3248 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3249 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3250 (MD_EXPAND_BUILTIN): Remove.
3252 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3253 (TARGET_EXPAND_BUILTIN): Define.
3254 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3255 (MD_EXPAND_BUILTIN): Remove.
3257 * doc/tm.texi: Document these changes.
3259 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3261 * basic-block.h (tree_node): Forward declare if needed.
3262 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3263 (BLOCK_HEAD_TREE): Define.
3264 (BLOCK_END_TREE): Define.
3265 (struct loops): Rename field 'tree' to 'tree_root'.
3266 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3268 (flow_loops_tree_build): Rename reference to field 'tree' to
3270 (flow_loops_level_compute): Ditto.
3271 * predict.c (estimate_bb_frequencies): Ditto.
3272 * tree.h (struct tree_common): Add field 'aux'.
3274 2001-07-09 Stan Shebs <shebs@apple.com>
3276 * config/darwin.c (darwin_encode_section_info): Don't mark any
3277 DECL_EXTERNAL node as defined.
3279 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3281 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3282 pa_free_machine_status, hppa_init_pic_save): Delete.
3283 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3284 (hppa_profile_hook): Use hppa_pic_save_rtx.
3285 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3286 hppa_init_pic_save): Delete.
3287 (hppa_pic_save_rtx): Declare.
3288 * pa.md (call, call_value, sibcall, sibcall_value,
3289 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3291 2001-07-09 Kazu Hirata <kazu@hxi.com>
3293 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3294 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3296 2001-07-09 Andreas Jaeger <aj@suse.de>
3298 * output.h: Add declaration of final_forward_branch_p.
3300 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3302 * varray.c: Include errors.h for internal_error and trim_filename
3305 * Makefile.in (varray.o): Add errors.h.
3307 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3309 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3310 * optabs.c (have_add2_insn): Check whether the add insn chosen
3311 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3312 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3314 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3316 * Makefile.in (OBJS): Add ssa-ccp.o
3317 (ssa-ccp.o): Add dependencies.
3318 * toplev.c (DFI_ssa_ccp): New dump file enum.
3319 (dump_file): Add entry for dumping after SSA CCP.
3320 (flag_ssa_ccp): New flag variable.
3321 (f_options): Add -fssa-ccp.
3322 (rest_of_compilation): Run SSA CCP if requested.
3323 * timevar.def (TV_SSA_CCP): New timevar.
3324 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3325 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3326 Fix minor typo in SSA DCE documentation.
3327 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3328 Add documentation for new dump option. Renumber dump files
3331 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3333 * emit-rtl.c (gen_highpart_mode): New.
3334 * rtl.h (gen_highpart_mode): Declare.
3335 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3336 operand can be VOIDmode constant.
3338 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3340 * flow.c (redirect_edge_and_branch_force): New.
3341 (can_fallthru): Ensure that basic blocks are succeeding.
3342 (try_optimize_cfg): Do not delete basic block if it is the last one.
3344 * flow.c (try_redirect_by_replacing_jump): Do not remove
3345 jumps with side effects, unlink chain on fallthru edge;
3346 set block for new jump instruction; avoid basic block to
3347 over by line number note.
3349 * flow.c (try_simplify_condjump): Verify that the condjump
3350 is not always falling trought.
3353 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3355 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3356 (try_redirect_by_replacing_jump): Update properly the count
3357 and frequency information.
3359 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3361 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3362 address that is a LO_SUM specially.
3363 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3365 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3367 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3368 (operand_subword): Use them.
3369 (change_address_1): Renamed from change_address; new arg VALIDATE.
3370 * expr.h: Reflect above changes; change_address now macro.
3371 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3373 * cselib.c (add_mem_for_addr): Likewise.
3374 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3375 * regmove.c (try_apply_stack_adjustment): Likewise.
3376 * reload.c (push_reload, make_memloc): Likewise.
3377 * reload1.c (eliminate_regs): Likewise.
3378 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3379 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3381 * combine.c (make_extraction, simplify_shift_const): Likewise.
3382 (gen_lowpart_for_combine): Likewise.
3383 * cse.c (gen_lowpart_if_possible): Likewise.
3384 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3385 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3386 * optabs.c (gen_move_insn): Likewise.
3387 * reload1.c (alter_reg): Likewise.
3388 * simplify-rtx.c (simplify_subreg): Likewise.
3389 * stmt.c (expand_anon_union_decl): Likewise.
3390 * recog.c (validate_replace_rtx_1): Likewise.
3392 * Makefile.in (recog.o): Add $(EXPR_H).
3393 * explow.c (stabilize): Call replace_equiv_address.
3394 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3395 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3397 2001-07-03 Andrew Haley <aph@redhat.com>
3399 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3400 the mode of the memory location.
3402 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3404 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3406 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3408 * final.c (output_addr_const): Use target opening and
3409 closing parentheses.
3410 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3411 defaults, add to TARGET_ASM_OUT.
3412 * target.h (struct gcc_target): Add open_paren and close_paren.
3413 * doc/md.texi: Update.
3414 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3415 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3416 TARGET_ASM_CLOSE_PAREN.
3417 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3419 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3421 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3422 * config/a29k/a29k.h: Similarly.
3423 * config/alpha/alpha.h: Similarly.
3424 * config/arc/arc.h: Similarly.
3425 * config/arm/aof.h: Similarly.
3426 * config/arm/aout.h: Similarly.
3427 * config/avr/avr.h: Similarly.
3428 * config/c4x/c4x.h: Similarly.
3429 * config/clipper/clipper.h: Similarly.
3430 * config/convex/convex.h: Similarly.
3431 * config/d30v/d30v.h: Similarly.
3432 * config/dsp16xx/dsp16xx.h: Similarly.
3433 * config/elxsi/elxsi.h: Similarly.
3434 * config/fr30/fr30.h: Similarly.
3435 * config/h8300/h8300.h: Similarly.
3436 * config/i370/i370.h: Similarly.
3437 * config/i386/i386.h: Similarly.
3438 * config/i860/i860.h: Similarly.
3439 * config/i960/i960.h: Similarly.
3440 * config/ia64/ia64.h: Similarly.
3441 * config/m32r/m32r.h: Similarly.
3442 * config/m68hc11/m68hc11.h: Similarly.
3443 * config/m68k/m68k.h: Similarly.
3444 * config/m88k/m88k.h: Similarly.
3445 * config/mcore/mcore.h: Similarly.
3446 * config/mips/mips.h: Similarly.
3447 * config/mn10200/mn10200.h: Similarly.
3448 * config/mn10300/mn10300.h: Similarly.
3449 * config/ns32k/ns32k.h: Similarly.
3450 * config/pa/pa.h: Similarly.
3451 * config/pdp11/pdp11.h: Similarly.
3452 * config/pj/pj.h: Similarly.
3453 * config/romp/romp.h: Similarly.
3454 * config/rs6000/rs6000.h: Similarly.
3455 * config/sh/sh.h: Similarly.
3456 * config/sparc/sparc.h: Similarly.
3457 * config/v850/v850.h: Similarly.
3458 * config/vax/vax.h: Similarly.
3459 * config/we32k/we32k.h: Similarly.
3461 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3463 * doc/c-tree.texi: Document representation of attributes.
3465 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3467 * doc/tm.texi: Update some places for the rename of target to
3470 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3472 * target.h (struct gcc_target): Add insert_attributes.
3473 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3474 (TARGET_INITIALIZER): Update.
3475 * tree.c, tree.h (default_insert_attributes): New function.
3476 Update comments on other default functions to refer to targetm,
3478 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3479 TARGET_INSERT_ATTRIBUTES.
3480 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3481 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3482 Don't use PRAGMA_INSERT_ATTRIBUTES.
3483 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3484 * c-decl.c (start_decl, start_function): Don't call
3485 SET_DEFAULT_DECL_ATTRIBUTES.
3486 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3487 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3489 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3490 (c4x_check_attribute): Avoid modifying attribute list itself.
3491 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3493 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3494 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3496 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3497 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3499 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3500 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3502 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3503 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3504 Adjust parameters. Make static.
3506 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3508 * c-common.c (decl_attributes): Only take a single attributes
3510 * c-common.h (decl_attributes): Update prototype.
3511 * c-decl.c (start_decl, start_function): Only take a single
3512 attributes parameter. Update calls to decl_attributes.
3513 (finish_struct, finish_enum): Update calls to decl_attributes.
3514 (push_parm_decl): Expect unified list of attributes. Update call
3516 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3517 notype_nested_function, component_declarator,
3518 component_notype_declarator, label): Update calls to
3520 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3521 lists that are passed to push_parm_decl.
3522 * c-tree.h (start_function, start_decl): Update prototypes.
3523 * config/sh/sh-protos.h, config/sh/sh.c
3524 (sh_pragma_insert_attributes): Only take a single attributes
3526 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3527 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3528 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3529 build_module_descriptor, generate_static_references,
3530 generate_strings, build_selector_translation_table,
3531 generate_descriptor_table, generate_protocols,
3532 generate_ivars_list, generate_dispatch_table,
3533 generate_protocol_list, generate_category,
3534 generate_shared_structures, really_start_method, add_objc_decls,
3535 generate_classref_translation_entry): Update calls to start_decl
3537 (build_tmp_function_decl, start_method_def): Unify attribute lists
3538 that are passed to push_parm_decl.
3540 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3542 * final.c (no_asm_to_stream): New.
3543 (final_scan_insn): Use target structures for prologue ends
3544 and epilogue starts.
3545 * output.h (no_asm_to_stream): New.
3546 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3547 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3548 (TARGET_ASM_OUT): Update.
3549 * target.h (struct gcc_target): New members function_end_prologue
3550 and function_begin_epilogue.
3551 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3552 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3553 * config/alpha/alpha.c (output_end_prologue): Rename to
3554 alpha_output_function_end_prologue. Use in target struct
3556 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3557 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3558 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3559 ia64_output_function_end_prologue. Use in target struct
3561 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3562 mistyped prototypes.
3563 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3564 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3566 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3567 an use in target struct, make static.
3568 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3571 2001-07-08 Richard Henderson <rth@redhat.com>
3573 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3575 2001-07-08 Richard Henderson <rth@redhat.com>
3577 * config/i386/i386.md: Remove constraints strings from define_split
3578 and define_peephole2 patterns.
3579 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3580 (eh_return): Use them.
3582 2001-07-08 Richard Henderson <rth@redhat.com>
3584 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3585 Document MD_FALLBACK_FRAME_STATE_FOR.
3587 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3589 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3590 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3592 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3594 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3596 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3597 of the label inside NAME as opposed to just the end of NAME.
3599 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3601 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3602 * config/alpha/alpha.c (alpha_init_machine_status,
3603 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3604 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3605 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3606 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3608 2001-07-06 Stan Shebs <shebs@apple.com>
3610 * target.h (targetm): Rename global from "target", so as not to
3611 conflict with local variables.
3613 * c-typeck.c: Ditto.
3617 * cp/decl2.c: Ditto.
3618 * cp/typeck.c: Ditto.
3619 * 1750a/1750a.c: Ditto.
3620 * a29k/a29k.c: Ditto.
3624 * clipper/clipper.c: Ditto.
3625 * convex/convex.c: Ditto.
3626 * d30v/d30v.c: Ditto.
3627 * dsp16xx/dsp16xx.c: Ditto.
3628 * elxsi/elxsi.c: Ditto.
3629 * fr30/fr30.c: Ditto.
3630 * h8300/h8300.c: Ditto.
3631 * i370/i370.c: Ditto.
3632 * i386/i386.c: Ditto.
3633 * i860/i860.c: Ditto.
3634 * i960/i960.c: Ditto.
3635 * ia64/ia64.c: Ditto.
3636 * m32r/m32r.c: Ditto.
3637 * m68hc11/m68hc11.c: Ditto.
3638 * m68k/m68k.c: Ditto.
3639 * m88k/m88k.c: Ditto.
3640 * mips/mips.c: Ditto.
3641 * ns32k/ns32k.c: Ditto.
3643 * pdp11/pdp11.c: Ditto.
3644 * romp/romp.c: Ditto.
3645 * rs6000/rs6000.c: Ditto.
3647 * sparc/sparc.c: Ditto.
3649 * we32k/we32k.c: Ditto.
3650 * doc/tm.texi: Update the manual to match.
3652 2001-07-06 Richard Henderson <rth@redhat.com>
3654 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3655 DWARF2_UNWIND_INFO not just whether it is defined.
3657 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3659 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3660 call to simplify_binary_operation returns a new pattern.
3662 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3664 * glimits.h (__SHRT_MAX__): New.
3665 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3666 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3668 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3670 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3673 2001-07-06 Richard Henderson <rth@redhat.com>
3675 * bitmap.c (bitmap_release_memory): Move adjacent to the
3676 allocation functions.
3677 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3678 the implementation. Binary search for the set bit.
3679 (bitmap_union_of_diff): Allocate the temporary on the stack
3680 instead of using xmalloc.
3682 2001-07-06 Richard Henderson <rth@redhat.com>
3684 * genrecog.c (validate_pattern): Warn for constraints in
3685 define_{expand,split,peephole2}. Remove strict_low_part
3686 before looking up match_dup.
3688 2001-07-06 DJ Delorie <dj@redhat.com>
3690 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3691 chapter about various build hints and history. Add section
3692 talking about the various types of native and cross builds.
3694 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3696 * Makefile.in (final.o): Depend on target.h.
3697 * final.c: Include target.h.
3698 (default_function_pro_epilogue): New.
3699 (final_start_function): Use target structure for function prologues.
3700 (final_end_function): Use target structure for function epilogues.
3701 * fold-const.c (real_hex_to_f): Constify s and p.
3702 * output.h (default_function_pro_epilogue): New.
3703 * real.h (real_hex_to_f): Update prototype.
3704 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3705 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3706 (TARGET_INITIALIZER): Update.
3707 * target.h (gcc_target): Add struct asm_out.
3708 * doc/tm.texi: Update.
3711 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3712 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3713 in cpu/cpu.c, or rename old functions consistently. Take
3714 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3715 redundant macros and prototypes. Make new functions static.
3717 * 1750a/1750a.c: Similarly.
3718 * 1750a/1750a.h: Similarly.
3719 * a29k/a29k-protos.h: Similarly.
3720 * a29k/a29k.c: Similarly.
3721 * a29k/a29k.h: Similarly.
3722 * arc/arc-protos.h: Similarly.
3723 * arc/arc.c: Similarly.
3724 * arc/arc.h: Similarly.
3725 * arm/arm-protos.h: Similarly.
3726 * arm/arm.c: Similarly.
3727 * arm/arm.h: Similarly.
3728 * avr/avr-protos.h: Similarly.
3729 * avr/avr.c: Similarly.
3730 * avr/avr.h: Similarly.
3731 * clipper/clipper-protos.h: Similarly.
3732 * clipper/clipper.c: Similarly.
3733 * clipper/clipper.h: Similarly.
3734 * convex/convex.c: Similarly.
3735 * convex/convex.h: Similarly.
3736 * d30v/d30v-protos.h: Similarly.
3737 * d30v/d30v.c: Similarly.
3738 * d30v/d30v.h: Similarly.
3739 * d30v/d30v.md: Similarly.
3740 * dsp16xx/dsp16xx-protos.h: Similarly.
3741 * dsp16xx/dsp16xx.c: Similarly.
3742 * dsp16xx/dsp16xx.h: Similarly.
3743 * elxsi/elxsi.c: Similarly.
3744 * elxsi/elxsi.h: Similarly.
3745 * fr30/fr30.c: Similarly.
3746 * fr30/fr30.md: Similarly.
3747 * h8300/h8300-protos.h: Similarly.
3748 * h8300/h8300.c: Similarly.
3749 * h8300/h8300.h: Similarly.
3750 * i370/i370-protos.h: Similarly.
3751 * i370/i370.c: Similarly.
3752 * i370/i370.h: Similarly.
3753 * i386/i386.c: Similarly.
3754 * i386/osf1elf.h: Similarly.
3755 * i386/osfrose.h: Similarly.
3756 * i860/i860-protos.h: Similarly.
3757 * i860/i860.c: Similarly.
3758 * i860/i860.h: Similarly.
3759 * i960/i960-protos.h: Similarly.
3760 * i960/i960.c: Similarly.
3761 * i960/i960.h: Similarly.
3762 * ia64/ia64-protos.h: Similarly.
3763 * ia64/ia64.c: Similarly.
3764 * ia64/ia64.h: Similarly.
3765 * m32r/m32r-protos.h: Similarly.
3766 * m32r/m32r.c: Similarly.
3767 * m32r/m32r.h: Similarly.
3768 * m68hc11/m68hc11-protos.h: Similarly.
3769 * m68hc11/m68hc11.c: Similarly.
3770 * m68hc11/m68hc11.h: Similarly.
3771 * m68k/crds.h: Similarly.
3772 * m68k/dpx2.h: Similarly.
3773 * m68k/m68k-protos.h: Similarly.
3774 * m68k/m68k.c: Similarly.
3775 * m68k/m68k.h: Similarly.
3776 * m68k/news.h: Similarly.
3777 * m88k/m88k-protos.h: Similarly.
3778 * m88k/m88k.c: Similarly.
3779 * m88k/m88k.h: Similarly.
3780 * mips/mips-protos.h: Similarly.
3781 * mips/mips.c: Similarly.
3782 * mips/mips.h: Similarly.
3783 * ns32k/merlin.h: Similarly.
3784 * ns32k/ns32k.c: Similarly.
3785 * ns32k/ns32k.h: Similarly.
3786 * ns32k/tek6000.h: Similarly.
3787 * pa/pa-protos.h: Similarly.
3788 * pa/pa.c: Similarly.
3789 * pa/pa.h: Similarly.
3790 * pdp11/2bsd.h: Similarly.
3791 * pdp11/pdp11-protos.h: Similarly.
3792 * pdp11/pdp11.c: Similarly.
3793 * pdp11/pdp11.h: Similarly.
3794 * romp/romp-protos.h: Similarly.
3795 * romp/romp.c: Similarly.
3796 * romp/romp.h: Similarly.
3797 * rs6000/rs6000-protos.h: Similarly.
3798 * rs6000/rs6000.c: Similarly.
3799 * rs6000/rs6000.h: Similarly.
3800 * rs6000/sysv4.h: Similarly.
3801 * sh/sh-protos.h: Similarly.
3802 * sh/sh.c: Similarly.
3803 * sh/sh.h: Similarly.
3804 * sparc/sparc-protos.h: Similarly.
3805 * sparc/sparc.c: Similarly.
3806 * sparc/sparc.h: Similarly.
3807 * vax/vax.c: Similarly.
3808 * vax/vax.h: Similarly.
3809 * vax/vms.h: Similarly.
3810 * we32k/we32k.c: Similarly.
3811 * we32k/we32k.h: Similarly.
3813 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3815 * basic-block.h (first_insn_after_basic_block_note): Declare.
3816 * flow.c (first_insn_after_basic_block_note): Define. Moved
3818 * ssa.c (first_insn_after_basic_block_note): Remove.
3819 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3821 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3822 nodes when we find a dead conditional branch. Insert BARRIERs
3823 after any blocks with no successors, but which do not have
3826 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3828 * varray.c (varray_check_failed): Use internal_error.
3830 2001-07-05 Andrew Haley <aph@redhat.com>
3832 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3833 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3834 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3836 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3838 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3839 reference if the target constant is also a SYMBOL_REF.
3841 2001-07-05 Eric Christopher <echristo@redhat.com>
3843 * config/mips/mips.h (MASK_MIPS3900): Remove.
3844 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3845 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3846 (TARGET_MIPS3900): Change to use mips_arch.
3847 (TARGET_MIPS4000): New.
3848 (TARGET_MIPS4100): New.
3849 (TARGET_MIPS4300): New.
3850 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3851 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3853 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3854 (ISA_HAS_BRANCHLIKELY): To here.
3855 (CC1_CPU_SPEC): New.
3856 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3857 (mips_arch_string): Declare.
3858 (mips_arch): Declare.
3859 (TARGET_OPTIONS): Add -march and -mtune.
3861 * config/mips/mips.c (mips_arch_string): New.
3863 (override_options): Handle -march for codegen and -mtune
3864 for scheduling. Use mips_arch. Move tx39 target default here.
3865 (mips_parse_cpu): Move error message to override_options.
3867 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3869 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3871 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3872 (MIPS Options): Ditto. Change mcpu entry to historical text.
3874 2001-07-05 H.J. Lu (hjl@gnu.org)
3876 * config/mips/mips.c (mips_parse_cpu): New function to parse
3879 2001-07-05 Jim Wilson <wilson@redhat.com>
3881 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3882 * config/ia64/t-ia64: Likewise.
3883 (LIB1ASMFUNCS): Update comment.
3885 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3887 * doc/install.texi (Install GCC: Binaries): Fix typo.
3889 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3891 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3892 reference using the stack pointer, adjust it since we push Y
3894 ("*ashrsi3"): Likewise.
3895 ("*lshrsi3"): Likewise.
3897 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3899 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3900 when -fomit-frame-pointer is used.
3902 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3904 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3905 (try_redirect_by_replacing_jump): Reverse updating properly the
3906 count and frequency information. Reverse removing cc0 setter.
3907 (forwarder_block_p): Reverse fixing for fallthru blocks.
3909 2001-07-05 DJ Delorie <dj@redhat.com>
3911 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3912 (translate_options): If the above is defined, use it to map
3913 given options to new options.
3914 * doc/tm.texi: Document it.
3916 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3917 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3919 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3920 cause programs using computed gotos to run more slowly.
3922 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3924 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3926 Consistently require binutils 2.11.2, not prereleases.
3927 (Specific, decstation-*): Canonicalize as mips-dec-*.
3928 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3930 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3931 (Specific, mips-*): Reword MIPS C compiler requirements.
3932 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3933 (Specific, sunv5): Removed, obsolete.
3935 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3937 * dwarf2out.c (output_loc_list): Use an all ones mask for
3938 .text asm output and don't rely on long long
3939 literals. Reformat some long lines.
3941 2001-07-05 Andreas Jaeger <aj@suse.de>
3943 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3946 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3948 * dwarf2out.c (dwarf2out_define): Update comment.
3949 (dwarf2out_undef): Ditto.
3950 (dwarf2out_start_source_file): Ditto.
3951 (dwarf2out_end_source_file): Ditto.
3952 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3953 since we never call the start/end debug hook for the primary file.
3955 2001-07-04 Kazu Hirata <kazu@hxi.com>
3957 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3960 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3962 * cppinit.c (remove_dup_dirs): Inform if a system include
3963 directory is being reordered.
3964 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3966 * doc/cpp.texi (Search Paths): Likewise.
3967 * doc/gcc.texi (Interoperation): Remove information about
3970 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3972 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3973 (VARRAY_TOP_CHAR_PTR): Likewise.
3975 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3977 * gcc.c (process_command): Don't assign elements of a const char*.
3979 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3981 * emit-rtl.c (change_address): Don't abort if invalid address while
3982 reload is in progress.
3984 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3986 * c-lex.c (cb_file_change): Pass line number to
3987 debug_start_source_file.
3988 (cb_undefine): Pass correct line number to debug_undef.
3990 * toplev.c (debug_start_source_file): Add line number to
3991 parameters. Pass it along to dwarf2out_start_source_file.
3992 (decode_g_option): Stop resetting debug level back to normal when
3993 we change debug formats, unless the current level is
3994 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3997 * toplev.h (debug_start_source_file): Add line number to
4000 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4003 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4005 Output debug_macinfo data for starting file if requested.
4006 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4008 (dwarf2out_define): Output debug_macinfo data for defining a macro
4010 (dwarf2out_undef): Output debug_macinfo data for undefining a
4012 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4013 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4014 (macinfo_section_label): New. DWARF2 macro info section label.
4015 (dwarf2out_init): If we want macro info, output the start label
4017 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4018 attribute to the compilation unit die pointing to the macro info.
4020 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4022 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4023 DWARF2_DEBUGGING_INFO.
4024 (add_loc_descr_to_loc_list): Ditto.
4025 (output_loc_list): Ditto.
4026 Also, fix thinko in curr not being initialized.
4027 (gen_internal_sym): Ditto.
4029 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4031 * emit-rtl.c (replace_equiv_address): New function.
4032 * expr.h (replace_equiv_address): New declaration.
4033 * explow.c (validize_mem): Call it instead of change_address and
4034 also call if -fforce-addr and address is constant.
4035 * expr.c: Replace more calls to change_address with adjust_address
4036 and/or replace_equiv_address or to validize_mem.
4037 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4038 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4039 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4040 * config/i370/i370.md, config/i860/i860.md: Likewise.
4041 * config/i960/i960.md, config/mips/mips.c: Likewise.
4042 * config/mips/mips.md, config/pa/pa.md: Likewise.
4043 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4044 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4046 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4048 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4050 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4053 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4055 * doc/include: New directory.
4056 * doc/fdl.texi: Move to doc/include/fdl.texi.
4057 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4058 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4059 * doc/gcc.texi: Use funding.texi and gpl.texi.
4060 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4061 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4062 Update dependencies and use -I $(docdir)/include.
4064 2001-07-04 Anthony Green <green@redhat.com>
4066 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4068 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4070 * doc/install.texi (sparc64-*-*): Remove garbage.
4072 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4074 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4075 Fix typo in last change to use adjust_address.
4077 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4079 * doc/install.texi (Specific): Update information for *-*-solaris*.
4081 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4083 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4085 2001-07-03 Stan Shebs <shebs@apple.com>
4087 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4088 case for flag_no_mach_text_sections.
4089 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4090 * config/darwin.c (flag_no_mach_text_sections): Remove.
4091 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4093 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4095 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4096 and avoid checking for constant as first operand.
4097 * recog.c (find_constant_term_loc): No longer static.
4098 (adj_offettable_operand): Delete.
4099 * rtl.h (adj_offsettable_operand): Delete declaration.
4100 (find_constant_term): Add declaration.
4101 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4103 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4104 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4105 * config/i386/i386.c, config/i386/i386.md: Likewise.
4106 * config/i860/i860.c, config/i960/i960.c: Likewise.
4107 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4108 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4109 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4110 * config/mips/mips.c, config/mips/mips.md: Likewise.
4111 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4112 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4113 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4114 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4115 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4116 * config/ns32k/ns32k.md: Likewise.
4118 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4120 * rtl.c (copy_rtx): Handle 'T' format letter.
4121 * gensupport.c (collect_insn_data): Likewise.
4122 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4124 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4126 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4127 -B option. Use 'dir' not 'foo' as example directory name.
4129 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4131 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4132 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4134 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4136 * doc/cppinternals.texi: Improve formatting and logical markup.
4138 2001-07-03 Andreas Jaeger <aj@suse.de>
4140 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4142 * genrecog.c (write_header): Include reload.h for prototypes in
4145 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4148 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4149 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4150 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4151 i386_pe_valid_type_attribute_p): Add.
4152 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4153 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4155 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4157 * explow.c (plus_constant_wide, case LO_SUM): New case.
4158 (plus_constant_for_output_wide): Delete.
4159 * rtl.h (plus_constant_for_output): Delete.
4160 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4161 instead of plus_constant_for_output.
4162 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4163 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4164 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4165 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4166 * config/sparc/sparc.md: Likewise.
4167 Convert some change_address calls to adjust_address.
4169 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4171 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4172 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4173 documentation of -std and -Wwrite-strings.
4175 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4177 * cse.c (canon_hash): Don't register registers in very small
4178 register classes, as extending their lifetime might cause
4181 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4183 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4185 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4186 (try_redirect_by_replacing_jump): Update properly the count
4187 and frequency information.
4189 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4191 * toplev.c (dump_file_index): Move SSA dumps just after first
4193 (dump_file): Corresponding changes.
4194 (rest_of_compilation): Move SSA path to just after the first
4196 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4197 * doc/invoke.texi: Update dump file #s as they were completely
4198 out of date with reality.
4200 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4202 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4204 * expr.c (emit_move_insn_1): Deal with non-default
4207 * expr.c (emit_single_push_insn): Fix warning.
4209 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4211 * expr.c (emit_move_insn_1): Avoid modifying
4212 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4214 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4216 * emit-rtl.c (adjust_address): New function.
4217 * expr.h (adjust_address): Add declaration.
4218 * builtins.c: Replace some calls to change_address with calls to it
4220 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4221 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4222 * config/arm/arm.c, config/convex/convex.c: Likewise.
4223 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4224 * config/i386/i386.c, config/i386/i386.md: Likewise.
4225 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4226 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4227 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4228 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4229 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4231 2001-07-02 Jim Wilson <wilson@redhat.com>
4233 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4235 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4237 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4238 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4240 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4242 * cppinit.c (lang_defaults): New table.
4243 (set_lang): Just read from lang_defaults into the live options
4246 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4248 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4249 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4250 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4252 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4254 * doc/install.texi: Various spelling and markup fixes.
4255 (Installing GCC): Component specific installation instructions are
4258 Warn about removing old install dir in the presence of shared libs.
4259 (Configuration): Invoke with options target to match configure
4261 Consistently refer to gas, gld pathnames.
4262 Invert --enable-multilib documentation.
4263 Remove references to old compiler versions.
4265 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4267 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4269 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4271 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4273 (Specific, mips*-sgi-irix5): Note IDO download.
4274 Reworded MIPS C hints.
4275 Use GNU as instead of GAS.
4277 Removed SGI Freeware reference, IRIX 6 only.
4278 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4279 Note N64 library requirement/workaround.
4281 Complete list of structure passing bug victims.
4283 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4285 * doc/install.texi: Remove CVS Id.
4287 2001-07-02 Andreas Jaeger <aj@suse.de>
4289 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4290 (find_inherently_necessary): Remove unused variable.
4292 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4294 * c-common.h (TDI_inlined): New ast dump phase.
4295 (dump_flag_name): New function.
4296 * c-dump.c (dump_files): Add inlined phase.
4297 (dump_flag_name): Define.
4298 * doc/invoke.texi (-fdump-ast-inlined): Document.
4300 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4302 * stor-layout.c (layout_decl): Revert change to handling of alignment
4305 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4307 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4310 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4312 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4315 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4317 * tlink.c (recompile_files): Remove COMPILER_PATH and
4318 LIBRARY_PATH from the environment.
4320 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4322 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4323 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4325 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4327 * c-parse.in (OBJC_STRING): Kill.
4328 (objc_string): Decompose to [objc_string] '@' STRING.
4329 (reswords): Take the leading '@' off all the Objective C keywords.
4330 (objc_rid_sans_at): Kill.
4331 (init_reswords): Don't initialize it.
4332 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4333 (_yylex): Kill reconsider label. Look ahead one token after
4334 an '@'; if we get an identifier, check whether it's an
4335 Objective C @-keyword. If so, return the keyword. Otherwise,
4336 put back the token and return the '@' as a terminal.
4338 * cpplib.c (lex_macro_node): Remove unnecessary check for
4339 leading '@' on identifier. Clarify control flow and commentary.
4341 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4343 * cse.c (new_label_ref): Variable deleted.
4344 (insert): Remove set of new_label_ref.
4345 (check_for_label_ref): New function.
4346 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4348 See ChangeLog.5 for earlier changes.