1 2001-10-16 Richard Henderson <rth@redhat.com>
3 * alpha.c (current_file_function_operand): Don't fail for profiling.
4 (direct_call_operand): New.
5 * alpha-protos.h: Declare it.
6 * alpha.h (EXTRA_CONSTRAINT): Use it.
7 (PREDICATE_CODES): Add it.
8 (ASM_OUTPUT_MI_THUNK): Remove.
9 * alpha32.h (ASM_OUTPUT_MI_THUNK): Remove.
10 * alpha.md (sibcall_osf_1, sibcall_value_osf_1): Add 's' alternative.
12 2001-10-16 Krister Walfridsson <cato@df.lth.se>
14 * config/i386/netbsd-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Define.
15 (JUMP_TABLES_IN_TEXT_SECTION): Define.
17 Wed Oct 17 00:21:31 CEST 2001 Jan Hubicka <jh@suse.cz>
19 * cfg.c (free_edge): Break out from ....
20 (remove_edge): ... here.
21 (clear_edges): Use free_edge.
23 * att.h (ASM_QUAD): Add comment.
24 * bsd.h, sco5.h, sun386.h (ASM_QUAD): Define.
26 Wed Oct 17 00:01:02 CEST 2001 Jan Hubicka <jh@suse.cz>
28 * i386.c (split_ti): New function.
29 (ix86_split_to_parts): Support TImodes.
30 * i386.h (VALID_INT_MODE_P): Add TImode.
31 * i386.md (movdi splitter): Fix.
32 (movti): Support 64bit integer registers.
33 (movti_rex64): New function and splitter.
35 * i386.c (*_cost): Add movsx/movzx cost.
36 * i386.h (struct processor_costs): Add movsx/movzx fields.
37 (RTX_COSTS): Handle zero/sign extend + avoid believing that
38 64bit operations require split on 64bit machine.
39 (CONST_COST): Make large 64bit constants expensive on 64bit compilation.
41 * i386.c (ix86_setup_incomming_varargs): Fix mode of PLUS.
42 (ix86_expand_move): Avoid pushes of memory if size does not match;
43 move long constants to register.
44 (x86_initialize_trampoline): Fix mode.
45 * i386.h (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT):
46 Use ASM_QUAD on 64bit.
47 * i386.md (test pattern): Disallow impossible constants.
48 (tablejump PIC expander): Fix emitting of sum.
49 (movdicc_rex64): Rename to movdicc.
50 * linux64.h (LINK_SPEC): Add missing '%'.
52 2001-10-16 Alexandre Oliva <aoliva@redhat.com>
54 * tree-inline.c (inlinable_function_p): Leave it up to the
55 front-end to turn -finline-functions into DECL_INLINE set for all
58 2001-10-16 Stan Shebs <shebs@apple.com>
60 * config/rs6000/darwin.h (ASM_COMMENT_START): Define.
62 2001-10-16 Alan Modra <amodra@bigpond.net.au>
64 * recog.c: Formatting and comment typo fixes.
66 * configure.in (gcc_cv_as_bfd_srcdir): New. Use it to find gas
67 version in single tree build.
68 * configure: Regenerate.
70 2001-10-15 David Edelsohn <edelsohn@gnu.org>
72 * config/rs6000/rs6000.md (cr_logical): Swap order of CODE and
73 MODE arguments to gen_rtx and compare operand with const0_rtx.
75 2001-10-15 Neil Booth <neil@daikokuya.demon.co.uk>
77 * system.h: Poison old unused target macros.
78 * config/dsp16xx.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
79 * config/stormy16/stormy16.c: Update references to obsolete macros.
80 * config/stormy16/stormy16.h: Similarly.
81 * config/stormy16/stormy16.md: Similarly.
82 * config/cris/cris.h: Similarly.
84 2001-10-15 Neil Booth <neil@daikokuya.demon.co.uk>
86 * cpplib.c (struct pragma_entry): Store the name as a hashnode.
87 (lookup_pragma_entry, insert_pragma_entry, do_pragma,
88 cpp_register_pragma): Update accordingly.
90 2001-10-14 Neil Booth <neil@daikokuya.demon.co.uk>
92 * c-pragma.h (cpp_register_pragma_space): Remove.
93 * cpplib.h (cpp_register_pragma_space): Remove.
94 * cpplib.c (lookup_pragma_entry, insert_pragma_entry): New.
95 (cpp_register_pragma_space): Remove.
96 (cpp_register_pragma): Simplify using lookup_pragma_entry,
98 (do_pragma): Similarly.
99 (_cpp_init_internal_pragmas): Don't register namespaces.
101 * config/v850/v850.h (REGISTER_TARGET_PRAGMAS):
102 Don't register namespaces.
103 * cp/lex.c (init_cp_pragma): Similarly.
104 * doc/tm.texi: Update.
106 2001-10-10 Craig Rodrigues <rodrigc@gcc.gnu.org>
109 * config/i386/cygwin.h: Add missing space to MINGW_INCLUDES
111 2001-10-13 Michael Collison <collison@dhcp-12-114.townisp.com>
113 * config/dsp16xx/dsp16xx.md: Rewrite for more efficient code and
114 add scheduling support.
115 * config/dsp16xx/dsp16xx.h: Rewrite for more efficient code.
116 * config/dsp16xx/dsp16xx.c: Rewrite for more efficient code.
117 * config/dsp16xx/dsp16xx-protos.h: Add new function prototypes.
120 2001-10-13 Hans-Peter Nilsson <hp@axis.com>
122 * config/cris/cris.c (cris_legitimate_pic_operand): Kludge around
123 missing CONSTANT_P test in core GCC.
125 2001-10-12 Neil Booth <neil@daikokuya.demon.co.uk>
127 * cppmain.c (struct printer): New member source.
128 (scan_translation_unit): Fix spacing at start of lines.
129 (cb_line_change): Update.
131 * gcc.dg/cpp/spacing2.c: New test.
133 2001-10-12 Hans-Peter Nilsson <hp@axis.com>
135 * config/cris/arit.c: Use __builtin_labs, not abs.
137 * config/cris/cris.h (SET_STRIPPABLE_EXECUTABLE): Don't define.
139 * config/cris/cris.c (cris_target_asm_function_epilogue): Move
140 misplaced sprintf and fprintf argument.
142 2001-10-12 Zack Weinberg <zack@codesourcery.com>
144 * ABOUT-NLS, aclocal.m4: Update i18n framework from gettext 0.10.40.
145 * configure.in, Makefile.in: Take out obsolete check-po logic.
146 * configure, config.in: Regenerate.
148 2001-10-12 Ziemowit Laski <zlaski@apple.com>
150 * objc/objc-act.c (finish_objc): Correct precondition for emitting
153 2001-10-12 Stan Shebs <shebs@apple.com>
155 * config/rs6000/rs6000.c: Remove uses of "register" specifier in
156 declarations of arguments and local variables.
158 2001-10-12 Christopher Faylor <cgf@redhat.com>
160 * config/i386/cygwin.h: Revert erroneous checkin of crtbegin and
161 ENDFILE_SPEC definition.
163 2001-10-12 Kazu Hirata <kazu@hxi.com>
165 * gthr-dce.h: Fix comment formatting.
166 * gthr-posix.h: Likewise.
167 * gthr-single.h: Likewise.
168 * gthr-solaris.h: Likewise.
169 * gthr-vxworks.h: Likewise.
170 * gthr-win32.h: Likewise.
172 2001-10-12 Jakub Jelinek <jakub@redhat.com>
174 * final.c (output_asm_insn): Make sure assembly dialects are
175 terminated, not nested. Output `|' and `}' characters if they
176 don't appear inside assembly dialect selection.
177 * config/i386/i386.md (rep_movdi_rex64, rep_movsi, rep_movsi_rex64,
178 rep_movqi, rep_movqi_rex64, rep_stosdi_rex64, rep_stossi,
179 rep_stossi_rex64, rep_stosqi, rep_stosqi_rex64, strsetsi_1,
180 strsetsi_rex_1): Add {} braces.
182 2001-10-11 Zack Weinberg <zack@codesourcery.com>
184 * toplev.c (compile_file): Ignore return value from yyparse.
185 Always pop any nested binding levels after yyparse returns.
187 2001-10-11 Richard Henderson <rth@redhat.com>
189 * doc/c-tree.texi (Expression trees): Add VTABLE_REF.
191 2001-10-11 Richard Henderson <rth@redhat.com>
193 * dwarf2out.c (add_const_value_attribute): If long < HOST_WIDE_INT,
194 fall back to add_AT_long_long for large CONST_INT.
196 2001-10-11 Richard Henderson <rth@redhat.com>
198 * config/i386/i386.md (setcc splitters): Add four splitters to
199 simplify compound compares that simplify_comparison can't handle.
201 2001-10-11 Zack Weinberg <zack@codesourcery.com>
203 * cpplex.c (digraph_spellings, token_spellings): Make static.
205 2001-10-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
207 * unroll.c (loop_iterations): Fixup last patch.
209 2001-10-11 Richard Henderson <rth@redhat.com>
211 * rtl.h (REG_VTABLE_REF): New.
212 * rtl.c (reg_note_name): Add it.
213 * combine.c (distribute_notes): Handle it.
214 * final.c (final_scan_insn): Handle it.
215 * tree.def (VTABLE_REF): New.
216 * expr.c (expand_expr): Handle it.
217 * varasm.c (assemble_vtable_entry, assemble_vtable_inherit): New.
218 * output.h: Declare them.
220 2001-10-11 Richard Henderson <rth@redhat.com>
222 * dwarf2out.c (rtl_for_decl_location): If no DECL_RTL, look
225 2001-10-11 David Edelsohn <edelsohn@gnu.org>
227 * config/rs6000/xcoff.h (UNALIGNED_DOUBLE_INT_ASM_OP): Only
228 available in 64-bit mode.
230 2001-10-11 Hans-Peter Nilsson <hp@axis.com>
232 * config.gcc: Add cris-*-aout, cris-*-elf, cris-*-none,
234 * config/cris/cris-protos.h: New file.
235 * config/cris/cris.c: New file.
236 * config/cris/cris.h: New file.
237 * config/cris/cris.md: New file.
238 * config/cris/linux.h: New file.
239 * config/cris/aout.h: New file.
240 * config/cris/arit.c: New file.
241 * config/cris/cris_abi_symbol.c: New file.
242 * config/cris/mulsi3.asm: New file.
243 * config/cris/t-aout: New file.
244 * config/cris/t-cris: New file.
245 * config/cris/t-elfmulti: New file.
246 * config/cris/t-linux: New file.
247 * doc/invoke.texi: Add CRIS options.
248 * doc/install.texi (Specific): Add blurb for CRIS.
250 2001-10-10 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
252 * config/float-i128.h: Make sure __STDC__VERSION__ is defined
254 * config/float/i32.h: Likewise.
255 * config/float-i386.h: Likewise.
256 * config/float-i64.h: Likewise.
257 * config/float-m68k.h: Likewise.
258 * config/float-sh.h: Likewise.
259 * config/float-sparc.h: Likewise.
261 2001-10-11 Hans-Peter Nilsson <hp@axis.com>
263 * doc/contrib.texi: Add note about CRIS port to my entry.
265 2001-10-11 Kazu Hirata <kazu@hxi.com>
267 * basic-block.h: Fix formatting.
268 * bitmap.h: Likewise.
269 * cpplib.h: Likewise.
270 * c-tree.h: Likewise.
271 * diagnostic.h: Likewise.
274 * longlong.h: Likewise.
276 * reload.h: Likewise.
280 2001-10-10 Richard Henderson <rth@redhat.com>
282 * c-parse.in (asm_operand): Allow named operands.
283 * genconfig.c (max_recog_operands): Set to 29.
284 * local-alloc.c (requires_inout): Skip multiple digits.
285 * recog.c (asm_operand_ok): Likewise.
286 (preprocess_constraints): Use strtoul for matching constraints.
287 (constrain_operands): Likewise.
288 * regmove.c (find_matches): Likewise.
289 * reload.c (find_reloads): Likewise.
290 * stmt.c (parse_output_constraint): Don't reject in-out
291 constraint on operands > 9. Reject '[' in constraint.
292 (expand_asm_operands): Handle named operands. Use strtoul
293 for matching constraints.
294 (check_operand_nalternatives): Split out from expand_asm_operands.
295 (check_unique_operand_names): New.
296 (resolve_operand_names, resolve_operand_name_1): New.
298 * doc/extend.texi (Extended Asm): Document named operands.
299 * doc/md.texi (Simple Constraints): Document matching constraints
302 2001-10-10 Richard Henderson <rth@redhat.com>
304 * combine.c (try_combine): Handle a SEQUENCE of one insn.
306 * i386.c (test splitter): Narrow tests vs paradoxical subregs.
307 (jcc splitters): Add two splitters to simplify compound compares
308 that simplify_comparison can't handle.
310 2001-10-10 Richard Henderson <rth@redhat.com>
312 * langhooks.c: Include langhooks.h.
313 * Makefile.in (langhooks.o): Depend on it.
315 Wed Oct 10 23:49:06 EDT 2001 John Wehle (john@feith.com)
317 * rtlanal.c (noop_move_p): Insns with a REG_RETVAL note
318 should not be considered as a no-op.
319 * flow.c (delete_noop_moves): Handle REG_LIBCALL notes.
321 2001-10-10 Stan Shebs <shebs@apple.com>
323 * alias.c: Remove uses of "register" specifier in declarations
324 of arguments and local variables.
326 * c-convert.c: Ditto.
329 * c-semantics.c: Ditto.
331 * caller-save.c: Ditto.
345 * dwarf2out.c: Ditto.
352 * fix-header.c: Ditto.
355 * fold-const.c: Ditto.
359 * gen-protos.c: Ditto.
360 * genattrtab.c: Ditto.
362 * genconfig.c: Ditto.
364 * genextract.c: Ditto.
366 * gengenrtl.c: Ditto.
367 * genoutput.c: Ditto.
370 * gensupport.c: Ditto.
374 * haifa-sched.c: Ditto.
375 * hard-reg-set.h: Ditto.
377 * integrate.c: Ditto.
380 * local-alloc.c: Ditto.
382 * mips-tdump.c: Ditto.
383 * mips-tfile.c: Ditto.
386 * print-rtl.c: Ditto.
390 * reg-stack.c: Ditto.
400 * sched-deps.c: Ditto.
401 * sched-rgn.c: Ditto.
403 * simplify-rtx.c: Ditto.
405 * stor-layout.c: Ditto.
414 2001-10-10 Richard Henderson <rth@redhat.com>
416 * rtl.h (can_reverse_comparison_p): Remove.
418 2001-10-10 Christopher Faylor <cgf@redhat.com>
420 * config/i386/cygwin.h: Avoid adding include files if -nostdinc is
423 2001-10-10 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
425 * config/i386/mingw32.h (WIN32_NO_ABSOLUTE_INST_DIRS): New define.
426 (Thanks to Chris Faylor for suggesting macro name).
427 (CPP_PREDEFINES): Define __MINGW32__ but don't set value; add more
429 (STANDARD_INCLUDE_DIR): Remove i386- from directory name.
430 (STANDARD_INCLUDE_COMPONENT): Change to MINGW.
431 (MATH_LIBRARY): Undef before definition.
432 (OUTPUT_QUOTED_STRING): Likewise.
433 * config/i386/cygwin.h: Use WIN32_NO_ABSOLUTE_INST_DIRS.
435 2001-10-10 Richard Henderson <rth@redhat.com>
437 * unwind-dw2-fde.c (fde_compare_t): Change return type to int.
438 (fde_unencoded_compare): Likewise. Don't use subtraction to get
439 a tristate comparison value.
440 (fde_single_encoding_compare, fde_mixed_encoding_compare): Likewise.
442 2001-10-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
445 * unroll.c (loop_iterations): Ignore insns generated by loop
448 * config.gcc (mips*-*-gnu*): Delete support.
449 * config/mips/gnu.h: Remove.
451 2001-10-10 Kazu Hirata <kazu@hxi.com>
453 * calls.c: Fix formatting.
454 * c-decl.c: Likewise.
455 * cfgcleanup.c: Likewise.
456 * combine.c: Likewise.
457 * cppfiles.c: Likewise.
458 * cpplib.c: Likewise.
459 * cppmacro.c: Likewise.
460 * crtstuff.c: Likewise.
462 * dwarf2out.c: Likewise.
463 * expmed.c: Likewise.
465 * fold-const.c: Likewise.
466 * function.c: Likewise.
468 * genattrtab.c: Likewise.
469 * ggc-page.c: Likewise.
470 * integrate.c: Likewise.
471 * libgcc2.c: Likewise.
473 * optabs.c: Likewise.
474 * profile.c: Likewise.
475 * protoize.c: Likewise.
478 * reload1.c: Likewise.
479 * reload.c: Likewise.
481 * resource.c: Likewise.
482 * sched-rgn.c: Likewise.
483 * sdbout.c: Likewise.
485 * toplev.c: Likewise.
486 * varasm.c: Likewise.
488 2001-10-10 Janis Johnson <janis187@us.ibm.com>, Alexandre Oliva <aoliva@redhat.com>
490 * langhooks.c: Include rtl.h, insn-config.h and integrate.h.
491 * Makefile.in (langhooks.o): Add dependencies.
493 Wed Oct 10 00:41:29 EDT 2001 John Wehle (john@feith.com)
495 * rs6000.c (rs6000_emit_load_toc_table): Don't
496 strdup the toc label.
497 (create_TOC_reference): Likewise.
499 2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
501 * config.gcc (i[34567]86-*-mingw32*): Make msvcrt-dependent
504 2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
506 * config/i386/i386.c (ix86_attribute_table): Correct
507 min_len, max_len fields for dllimport, dllexport and shared.
509 2001-10-10 Joseph S. Myers <jsm28@cam.ac.uk>
511 * doc/c-tree.texi, doc/cppinternals.texi, doc/extend.texi,
512 doc/install.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi:
513 Consistently use "nonzero" instead of "non-zero".
515 2001-10-09 Kazu Hirata <kazu@hxi.com>
517 * acconfig.h: Fix comment formatting.
518 * c-dump.h: Likewise.
519 * c-tree.h: Likewise.
520 * conditions.h: Likewise.
522 * function.h: Likewise.
525 * integrate.h: Likewise.
528 * optabs.h: Likewise.
530 2001-10-09 Kazu Hirata <kazu@hxi.com>
532 * c-common.h: Fix comment formatting.
533 * c-dump.c: Likewise.
535 * diagnostic.h: Likewise.
536 * except.c: Likewise.
538 * gcov-io.h: Likewise.
539 * genattrtab.c: Likewise.
540 * output.h: Likewise.
541 * predict.h: Likewise.
542 * reload1.c: Likewise.
543 * reload.h: Likewise.
544 * resource.h: Likewise.
546 * system.h: Likewise.
548 * tree-inline.c: Likewise.
549 * tsystem.h: Likewise.
550 * varasm.c: Likewise.
551 * xcoffout.h: Likewise.
553 2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk>
555 * doc/gcc.texi: Document preference for "nonzero" over "non-zero".
557 2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk>
559 * config/alpha/freebsd.h, config/alpha/lib1funcs.asm,
560 config/i386/i386elf.h, config/i386/netbsd-elf.h,
561 config/i386/netware.h, config/mcore/gfloat.h,
562 config/mcore/mcore.c, config/mcore/mcore.h, config/mcore/mcore.md,
563 config/netware.h, gccbug.in: Update FSF address.
565 2001-10-09 Kazu Hirata <kazu@hxi.com>
567 * c-common.c: Fix comment typos.
568 * cfgrtl.c: Likewise.
569 * collect2.c: Likewise.
570 * cpplex.c: Likewise.
571 * doloop.c: Likewise.
572 * dwarf2out.c: Likewise.
573 * dwarfout.c: Likewise.
575 * fold-const.c: Likewise.
579 * global.c: Likewise.
582 * optabs.c: Likewise.
583 * protoize.c: Likewise.
584 * regclass.c: Likewise.
589 * doc/cpp.texi: Likewise.
590 * doc/c-tree.texi: Likewise.
591 * doc/extend.texi: Likewise.
592 * doc/invoke.texi: Likewise.
593 * doc/objc.texi: Likewise.
594 * doc/tm.texi: Likewise.
596 2001-10-08 Richard Henderson <rth@redhat.com>
598 * varasm.c (set_named_section_flags): Initialize "declared".
600 2001-10-08 Robert Lipe <robertlipe@usa.net>
602 * varasm.c (struct in_named_entry): Add declared.
603 (named_section_first_declaration): New function.
604 (default_elf_asm_named_section): Use it.
605 * output.h (named_section_first_declaration): New.
607 2001-10-08 Richard Henderson <rth@redhat.com>
609 * i386.md (movsi_xor): Export.
610 (setcc peep2): Use it when available; add an alternative to
611 match zero_extendhisi2_and.
613 2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
615 * romp-protos.h (romp_initialize_trampoline): New function.
616 * romp.c (romp_initialize_trampoline): Likewise.
617 * romp.h (INITIALIZE_TRAMPOLINE): Define in terms of
618 romp_initialize_trampoline.
620 2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
622 * m68k/3b1.h (ASM_OUTPUT_SOURCE_LINE): Don't reference `last_linenum'.
623 * m68k/auxas.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
624 * m68k/crds.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
625 * m68k/mot3300.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
627 2001-10-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
629 * unroll.c (loop_iterations): Extend check for multiple back edges.
631 2001-10-08 Alexandre Oliva <aoliva@redhat.com>
633 * langhooks.h: New file.
634 * Makefile.in (OBJS): Added langhooks.o.
635 (c-lang.o): Depend on langhooks.h.
636 (c-common.o): Don't depend on tree-inline.h.
637 (tree-inline.o): Depend on toplev.h.
638 (langhooks.o): New rule.
639 * c-common.c: Don't include tree-inline.h.
640 (c_mark_lang_decl): Mark argument c as unused.
641 (c_common_lang_init): Don't initialize hooks here.
642 * c-lang.c: Include langhooks.h, then override some macros.
643 (lang_hooks): Initialize with macros in langhooks.h.
644 (c_init): Don't initialize hooks here.
645 * toplev.c (struct lang_hooks_for_tree_inlining): New struct.
646 (struct lang_hooks): Add tree_inlining. Refer to langhooks.h.
647 * tree-inline.c: Include toplev.h. Don't define hook variables.
648 * tree-inline.h: Don't define hook types nor declare hook
649 variables. Move macros to...
650 * langhooks.c: ... new file, as functions. Adjust all callers.
652 2001-10-08 Jeffrey A Law <law@cygnus.com>
654 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Call
655 purge_mem_unchanging_flag on all instructions, not just on those
656 before NOTE_INSN_FUNCTION_BEG.
658 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
660 * cppmacro.c (_cpp_create_definition): Leave comments off.
662 * doc/cpp.texi: Update.
664 2001-10-08 DJ Delorie <dj@redhat.com>
666 * c-decl.c (grokfield): Make sure the only unnamed fields
667 we're allowing are either structs or unions.
668 * doc/extend.texi: Add documentation for the unnamed field
671 2001-10-08 Zack Weinberg <zack@codesourcery.com>
673 * aclocal.m4 (gcc_AC_PROG_GNAT): New.
674 * configure.in: Use it.
675 * configure: Regenerated.
676 * config/pa/t-linux, config/pa/t-pa, config/pa/t-pa64,
677 config/pa/t-pro: Set T_ADAFLAGS, not ADA_CFLAGS.
679 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
681 * cppfiles.c (open_file): Don't mark zero-length files
682 never-reread here. Don't output diagnostics here either.
683 (stack_include_file): Mark them never-reread here.
684 (_cpp_read_file): Update.
686 2001-10-08 Richard Henderson <rth@redhat.com>
688 * config/i386/sol2.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
690 2001-10-08 Richard Henderson <rth@redhat.com>
692 * expr.c (store_expr): When converting a CONST_INT for storage
693 in a SUBREG, convert it to both SUBREG modes before stripping
696 2001-10-08 Richard Henderson <rth@redhat.com>
698 * varasm.c (restore_varasm_status): New.
699 * function.h: Declare it.
700 * function.c (pop_function_context_from): Call it.
702 2001-10-08 Richard Henderson <rth@redhat.com>
704 * c-common.h (struct c_lang_decl): Add declared_inline.
705 * c-tree.h (DECL_DECLARED_INLINE_P): New.
706 * c-lang.c (c_disregard_inline_limits): Use it.
707 * c-decl.c (duplicate_decls): Likewise.
708 (pushdecl, redeclaration_error_message): Likewise.
709 (pushdecl): Allocate DECL_LANG_SPECIFIC if needed.
710 (grokdeclarator): Likewise. Set DECL_DECLARED_INLINE_P.
711 Set DECL_INLINE if -finline-functions.
712 (store_parm_decls): Don't allocate DECL_LANG_SPECIFIC here.
714 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
716 * cppmacro.c (funlike_invocation_p): Move some logic to caller
717 in enter_macro_context. Create a padding token in its own context
718 if necessary when the search for '(' fails.
719 (enter_macro_context): Update.
721 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
723 * ChangeLog.2, c-decl.c, config/i386/i386.md, doc/gcc.texi, gcc.c,
724 genmultilib, toplev.c: Fix spelling errors of "separate" as
725 "seperate", and corresponding spelling errors of related words.
727 2001-10-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
729 * builtins.c (expand_builtin_setjmp_receiver): Const-ify.
730 * c-common.c (fname_var_t, c_tree_code_type, c_tree_code_length):
732 * c-dump.c (dump_option_value_info): Likewise.
733 * c-format.c (format_length_info, format_char_info,
734 format_flag_spec, format_flag_pair, format_kind_info): Likewise.
735 * collect2.c (names): Likewise.
736 * cppdefault.h (default_include): Likewise.
737 * cppexp.c (suffix, vsuf_1, vsuf_2, vsuf_3): Likewise.
738 * flow.c (life_analysis): Likewise.
739 * gcc.c (dir_separator_str, modify_target, option_map,
740 target_option_translations, spec_list_1, extra_specs_1,
741 init_spec): Likewise.
742 * gcov.c (gcov_version_string): Likewise.
743 * genattr.c (write_units): Likewise.
744 * genattrtab.c (make_length_attrs, write_function_unit_info): Likewise.
745 * gengenrtl.c (rtx_definition, defs): Likewise.
746 * genrecog.c (pred_table): Likewise.
747 * global.c (global_alloc): Likewise.
748 * lcm.c (optimize_mode_switching): Likewise.
749 * local-alloc.c (find_free_reg): Likewise.
750 * params.h (param_info): Likewise.
751 * predict.c (predictor_info): Likewise.
752 * protoize.c (unexpansion_struct): Likewise.
753 * real.c (bmask): Likewise.
754 * recog.h (insn_operand_data, insn_data): Likewise.
755 * regclass.c (initial_fixed_regs, initial_call_used_regs): Likewise.
756 * stmt.c (expand_nl_goto_receiver): Likewise.
757 * toplev.c (da, debug_args, lang_opt, documented_lang_options,
758 target_switches, target_options): Likewise.
759 * tradcif.y (token, tokentab2, yylex): Likewise.
760 * tree.h (attribute_spec): Likewise.
762 * alpha.c (override_options, alpha_lookup_xfloating_lib_func):
764 * arc.c (arc_output_function_epilogue): Likewise.
765 * arm.c (processors, all_cores, all_architectures,
766 arm_override_options, isr_attribute_arg, isr_attribute_args,
767 arm_isr_value): Likewise.
768 * avr.c (mcu_type_s, reg_class_tab, order_regs_for_local_alloc):
770 * c4x.c (c4x_int_reglist): Likewise.
771 * d30v.c (override_options): Likewise.
772 * h8300.c (shift_insn): Likewise.
773 * i386.c (size_cost, i386_cost, i486_cost, pentium_cost,
774 pentiumpro_cost, k6_cost, athlon_cost, pentium4_cost, ix86_cost,
775 ix86_expand_sse_comi, ix86_expand_sse_compare, override_options,
776 builtin_description, bdesc_comi, bdesc_2arg, bdesc_1arg,
777 ix86_init_mmx_sse_builtins, ix86_expand_builtin): Likewise.
778 * i386.h (processor_costs, ix86_cost): Likewise.
779 * m68hc11.c (m68hc11_cost, m6811_cost, m6812_cost): Likewise.
780 * m68hc11.h (processor_costs, m68hc11_cost): Likewise.
781 * m68k.c (codes_68881, codes_FPA): Likewise.
782 * m88k.c (mode_from_align, max_from_align, all_from_align,
783 best_from_align, m_options): Likewise.
784 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
785 * mcore.c (mode_from_align): Likewise.
786 * mips/elf64.h (UNIQUE_SECTION): Likewise.
787 * mips/iris6gld.h (UNIQUE_SECTION): Likewise.
788 * mips.c (mips_sw_reg_names, mips_regno_to_class): Likewise.
789 * mips.h (mips_regno_to_class): Likewise.
790 * ns32k.c (scales): Likewise.
791 * pa.c (import_string, magic_milli): Likewise.
792 * rs6000.c (alt_reg_names, rs6000_override_options): Likewise.
793 * sparc.c (leaf_reg_remap, sparc_override_options,
794 reg_leaf_alloc_order, reg_nonleaf_alloc_order, reg_alloc_orders):
796 * sparc.h (sparc_cpu_select, leaf_reg_remap): Likewise.
798 2001-10-07 Dale Johannesen <dalej@apple.com>
800 * reload1.c (reload_reg_free_p): Teach register interference
801 checking that multiple output reloads are emitted in
803 reload1.c (reload_reg_reaches_end_p): Ditto.
804 reload1.c (reloads_conflict): Ditto.
806 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
808 * doc/c-tree.texi, doc/tm.texi: Consistently put NULL and
809 NULL_TREE inside @code.
811 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
813 * doc/gcc.texi: Document consistent style of "32-bit",
814 "Objective-C", and "@code{NULL}".
816 2001-10-06 Zack Weinberg <zack@codesourcery.com>
818 * cpplex.c (enum spell_type): Add SPELL_NUMBER.
819 (cpp_token_len, cpp_spell_token, cpp_output_token,
820 _cpp_equiv_tokens): Handle it.
821 * cpplib.h (TTYPE_TABLE): Use SPELL_NUMBER for CPP_NUMBER and
822 CPP_COMMENT, SPELL_NONE for CPP_PADDING and CPP_EOF.
823 * cppexp.c (_cpp_parse_expr): Use the correct operator code in
826 Sat Oct 6 07:42:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
828 * gcc.c (default_compilers): Remove .ada.
830 2001-10-06 Neil Booth <neil@daikokuya.demon.co.uk>
832 * doc/cppinternals.texi: Update.
834 2001-10-06 Zack Weinberg <zack@codesourcery.com>
836 * gcc.c (main): Set this_file_error if the appropriate
837 compiler for a language has not been installed.
839 2001-10-06 Ulrich Weigand <uweigand@de.ibm.com>
841 * config/s390/s390.c (s390_va_arg): Use set_mem_alias_set.
843 2001-10-05 Joseph S. Myers <jsm28@cam.ac.uk>
845 * gccbug.in (CATEGORIES): Add ada.
847 2001-10-05 Catherine Moore <clm@redhat.com>
849 * config/stormy16/stormy-abi: Document abi changes.
850 * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine.
851 (ICALL_REGS): New register class.
852 (NUM_ARGUMENT_REGISTERS): Now 6.
853 (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs
855 (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS.
856 * config/stormy16.md (call_internal, call_value_internal,
857 indirect_jump): Use new 'z' constraint.
859 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
861 * doc/cppinternals.texi: Update.
863 2001-10-05 Richard Henderson <rth@redhat.com>
865 * dwarf2out.c (FRAME_BEGIN_LABEL): New.
866 (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
867 the gas section-name-as-label feature.
869 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
871 * doc/cppinternals.texi: Update.
873 Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
875 * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
876 to ensure valid SImode constants.
878 2001-10-05 Alexandre Oliva <aoliva@redhat.com>
880 * Makefile.in (c-decl.o): Depend on tree-inline.h.
881 (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
882 * c-decl.c: Include tree-inline.h.
883 (c_expand_body): Call optimize_inline_calls. Determine whether
884 a function is inlinable upfront, and only clear
885 DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
886 * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
887 (c_disregard_inline_limits): New function.
888 (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
889 (c_post_options): Enable tree inlining if inlining is enabled.
890 Don't inline trees when instrumenting functions.
891 (c_init): Initialize lang_disregard_inline_limits and
892 lang_cannot_inline_tree_fn.
893 * tree-inline.c (initialize_inlined_parameters): Handle calls
894 with fewer arguments than declared parameters, and fewer
895 parameters than passed arguments. Don't assume value is a
897 (declare_return_variable): Convert return value back to the
898 original type, if it was promoted.
899 (tree_inlinable_function_p): New function.
900 (inlinable_function_p): Don't look at DECL_INLINE if we're
901 inlining all functions. Make it work with a NULL id.
902 Re-check DECL_UNINLINABLE after language-specific checks.
903 * tree-inline.h (tree_inlinable_function_p): Declare it.
904 * integrate.c (save_for_inline): Don't bother to prepare argvec
906 * cse.c (check_for_label_ref): Don't check deleted labels.
908 * Makefile.in (tree-inline.o): Depend on newly-included headers.
909 * tree-inline.c: Include headers needed for the functions moved in.
910 (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
911 (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
912 (copy_body, initialize_inlined_parameters): Likewise.
913 (declare_return_variable, inlinable_function_p): Likewise.
914 (expand_call_inline, expand_calls_inline): Likewise.
915 (optimize_inline_calls, clone_body): Likewise.
916 (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
917 (copy_tree_r, remap_save_expr): Likewise.
919 2001-10-04 Alexandre Oliva <aoliva@redhat.com>
921 * Makefile.in (OBJS): Added tree-inline.o.
922 (c-common.o): Depend on tree-inline.h.
923 (tree-inline.o): New target.
924 * c-common.c: Include tree-inline.h.
925 (c_mark_lang_decl): Don't mark saved_tree.
926 (c_common_lang_init): Set lang_anon_aggr_type_p.
927 * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
928 (struct c_lang_decl): Moved saved_tree to tree_decl.
929 * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
930 * integrate.h (function_attribute_inlinable_p): Declare it.
931 * integrate.c (function_attribute_inlinable_p): Export it.
932 * tree-inline.c: New file. Define variables declared in...
933 * tree-inline.h: New file. Declare functions to be moved to
934 tree-inline.c. Define macros and declare types and hooks for
935 language-specific tree inlining.
936 (flag_inline_trees): Moved definition from cp/decl2.c.
937 * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
938 (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
939 (struct tree_decl): Moved saved_tree from c_lang_decl and
940 inlined_fns from C++'s lang_decl.
942 2001-10-04 Loren J. Rittle <ljrittle@acm.org>
944 * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
945 propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
947 2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
949 * doc/cppinternals.texi: Update.
951 2001-10-04 Eric Christopher <echristo@redhat.com>
953 * config/mips/mips.c (init_cumulative_args): Remember to set
955 * config.gcc: Redo linux configuration. Add target_cpu_default
956 of soft-float to all mipsisa32 combinations and tx39.
957 * config/mips/linux.h: Remove include of mips.h.
959 2001-10-03 Loren J. Rittle <ljrittle@acm.org>
961 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
962 HOST_LDFLAGS and HOST_CPPFLAGS.
964 2001-10-03 Ziemowit Laski <zlaski@apple.com>
966 * c-parse.in (objc_inherit_code, objc_pq_context,
967 objc_public_flag): Make static.
968 (objc_interface_context, objc_implementation_context,
969 objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
970 global tree array in objc/objc-act.[ch].
971 (methoddef): Remove unnecessary code.
973 * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
974 Hoist struct definitions to objc-act.h.
975 (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
976 cat_count): Place declaration in objc-act.h.
977 (objc_tree_index): Move enumeration to objc-act.h.
978 (objc_global_trees): Place declaration and macro accessors in
980 (implementation_context): Remove duplicate; use
981 objc_implementation_context instead:
982 (method_context): Remove duplicate; use objc_method_context
984 (objc_ellipsis_node, objc_method_prototype_template,
985 implemented_classes, function_type): Move global vars to
987 (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
988 (build_message_expr): Move actual construction of ObjC message
989 send nodes to finish_message_expr.
990 (finish_message_expr): New routine, contains code formerly in
992 * objc/objc-act.h (finish_message_expr): New prototype.
993 (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
994 declarations; these vars are now part of objc_global_trees.
995 (objc_tree_index, objc_global_trees): Move definitions from
997 * objc/objc-tree.def: Update copyright info.
999 Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
1001 * dwarf2asm.c (unaligned_integer_asm_op): Abort if
1003 * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
1004 only if TARGET_ARCH64.
1006 2001-10-02 Bernd Schmidt <bernds@redhat.com>
1008 * doc/extend.texi: Fix some problems with previous checkin.
1009 * doc/invoke.texi: Likewise.
1011 2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
1013 * cpphash.h: Update comments.
1014 (cpp_context): Update.
1015 (spec_nodes): Remove n__Pragma.
1016 * cppinit.c (cpp_create_reader): Update.
1017 (builtin_array): Add _Pragma.
1018 * cpplib.h: Update comments.
1019 (NODE_DISABLED, BT_PRAGMA): New.
1020 (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
1021 * cppmacro.c (struct cpp_macro): Remove disabled.
1022 (builtin_macro): Return int, handle _Pragma, push the new token
1023 on the context stack.
1024 (funlike_invocation_p): Unconstify, update.
1025 (enter_macro_context): Handle builtins here.
1026 (replace_args, push_token_context, push_ptoken_context):
1027 Update for prototype changes.
1028 (_cpp_pop_context): Update.
1029 (cpp_get_token): Don't handle buitins, nor _Pragma here.
1030 (cpp_sys_macro_p): Update.
1031 (_cpp_free_definition): Clear disabled flag.
1032 (_cpp_create_definition): Upate.
1033 * cppmain.c: Update comments.
1035 Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
1036 Andreas Jaeger <aj@suse.de>,
1037 Jan Hubicka <jh@suse.cz>
1039 * doc/invoke.texi (i386 Options): Document x86-64 options.
1040 (i386 and x86-64 Options): Rename i386 options section.
1042 * config/i386/i386.h (TARGET_UNWIND_INFO): New.
1043 (TARGET_SWITCHES): Add -munwind-info.
1044 (MASK_NO_UNWIND_INFO): New.
1045 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
1047 (ASM_OUTPUT_DOUBLE_INT): New.
1049 * config/i386/linux64.h: New spec file for Linux x86-64 support.
1050 * config.gcc: Fix tm_file settings for x86-64.
1051 * config/i386/x86-64.h: New file with OS independent x86-64
1053 * config/i386/biarch64.h: New file used to configure compiler
1054 to biarch/64bit compilation.
1056 * config/i386/i386.c: (override_options): Set flags default
1057 for 64bit compilation.
1059 Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1061 * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
1062 (ix86_expand_int_movcc): Optimize DImode conditional moves with
1063 constants on x86_64.
1064 (ix86_attr_length_immediate_default): Support MODE_DI.
1065 * i386.md (fixdi splitter): Add missing "&& 1" in splitter
1067 (indirect_jump, tablejump): Turn into expander.
1069 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
1071 * c-common.c (c_format_attribute_table): Make format and
1072 format_arg attributes apply to function types rather than to
1074 (is_valid_printf_arglist): Construct an attribute list and pass
1075 that to check_function_format rather than a name.
1076 * c-common.h (check_function_format): Adjust prototype.
1077 * c-decl.c (duplicate_decls): Preserve attributes from type of
1078 built-in decl when allowing for harmless conflict in types.
1079 * c-format.c (record_function_format,
1080 record_international_format, function_format_list,
1081 international_format_info, international_format_list): Remove.
1082 (function_format_info): Remove next, name and assembler_name.
1083 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
1084 (decode_format_attr): New.
1085 (handle_format_attribute): Handle receiving a type rather than a
1086 decl. Call decode_format_attr. Store format information in a
1087 function_format_info.
1088 (handle_format_arg_attribute): Correct comment. Handle receiving
1089 a type rather than a decl. Use unsigned HOST_WIDE_INT for
1091 (check_format_info_recurse, check_format_info_main): Take argument
1092 numbers as unsigned HOST_WIDE_INT.
1093 (check_function_format): Take a list of attributes from the
1094 function type rather than a name or assembler name. Check for
1095 format attributes in that list and the attributes on the type of
1096 the current function rather than looking through
1097 function_format_list.
1098 (check_format_info): Use unsigned HOST_WIDE_INT for argument
1100 (check_format_info_recurse): Take format_arg attributes from the
1101 type of the function calls rather than using
1102 international_format_list. Allow for multiple format_arg
1104 * c-typeck.c (build_function_call): Pass type attributes to
1105 check_function_format rather than name or assembler name. Don't
1106 require there to be a name or assembler name to check formats.
1108 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
1110 * attribs.c (decl_attributes): Possibly call
1111 insert_default_attributes to insert default attributes on
1112 functions in a lazy manner.
1113 * builtin-attrs.def: New file; define the default format and
1114 format_arg attributes.
1115 * c-common.c (c_format_attribute_table): Move to earlier in the
1117 (c_common_nodes_and_builtins): Initialize format_attribute_table.
1118 (enum built_in_attribute, built_in_attributes,
1119 c_attrs_initialized, c_init_attributes,
1120 c_common_insert_default_attributes): New.
1121 (c_common_lang_init): Don't initialize format_attribute_table. Do
1122 call c_init_attributes.
1123 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
1124 * c-common.h (init_function_format_info): Don't declare.
1125 (c_common_insert_default_attributes): Declare.
1126 * c-decl.c (implicitly_declare, builtin_function): Call
1128 (init_decl_processing): Don't call init_function_format_info.
1129 (insert_default_attributes): New.
1130 * c-format.c (handle_format_attribute,
1131 handle_format_arg_attribute): Be quiet about inappropriate
1132 declaration when applying default attributes.
1133 (init_function_format_info): Remove.
1134 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
1135 (insert_default_attributes): Declare.
1137 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
1139 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
1141 2001-10-01 Jim Wilson <wilson@redhat.com>
1143 * sched-deps.c (add_dependence): When elide conditional dependence,
1144 check that insn doesn't modify cond2.
1146 2001-10-01 Dale Johannesen <dalej@apple.com>
1148 * config/rs6000/rs6000.h (enum processor_type): Add support
1149 for 7400 (G4) and 7450.
1151 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
1152 (rs6000_issue_rate): Ditto.
1153 (rs6000_adjust_cost): Fix cycle counts for compares.
1154 (debug_stack_info): Fix an obvious typo.
1155 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
1156 * doc/invoke.texi: Document.
1157 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
1159 (PROCESSOR_DEFAULT): Ditto.
1161 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
1163 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
1164 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
1165 later recursive make invocation.
1167 2001-10-01 Hans Boehm <boehm@acm.org>
1169 * optabs.c (emit_libcall_block): When using non-call exceptions,
1170 don't add REG_LIBCALL reg notes to trapping calls.
1172 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
1174 * flow.c (propagate_block_delete_libcall): Remove unused first arg
1175 (propagate_one_insn): Update for above change
1177 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
1179 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
1180 _Unwind_GetTextRelBase): Argument is unused.
1182 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1184 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
1185 Loop through NOPs, placeholders, and components.
1186 Don't go through NOPs if change mode.
1187 (record_alias_subset): Do nothing if SUBSET and SET are the same.
1188 * emit-rtl.c (set_mem_alias_set): Enable check.
1189 * expr.c (find_placeholder): New function.
1190 (expand_expr, case PLACEHOLDER_EXPR): Use it.
1191 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
1192 to modify it and avoid unneeded copies.
1193 * expr.h (expand_expr): Always define.
1194 (find_placeholder): New declaration.
1196 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1198 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
1199 operand 2 is the stack pointer.
1200 ("addr-peephole"): Fix address computation peephole when operand 2
1201 is the stack pointer.
1203 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1205 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
1206 (ix86_setup_incoming_varargs): Likewise.
1208 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
1210 * stor-layout.c (layout_type): Don't complain about too-large
1213 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1215 * function.c (keep_stack_depressed): Don't use delete_insn.
1217 * expr.h (set_mem_alias_set): Move decl to here.
1218 * rtl.h (mem_attrs): New typedef and struct.
1219 (union rtunion_def): Add field for mem_attrs.
1220 (X0MEMATTR, MEM_ATTRS): New macros.
1221 (MEM_ALIAS_SET): Use MEM_ATTRS.
1222 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
1223 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
1224 (set_mem_alias_set): Delete decl from here.
1226 * alias.c (set_mem_alias_set): Delete from here.
1227 * emit-rtl.c (mem_attrs_htab): New variable.
1228 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
1229 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
1230 (mem_attrs_mark, get_mem_attrs): Likewise.
1231 (gen_rtx_MEM): Clear MEM_ATTRS.
1232 (set_mem_attributes): Move to here.
1233 (set_mem_alias_set): Likewise, and call get_mem_attrs.
1234 (init_emit_once): const_int_htab now deletable htab.
1235 Initialize mem_attrs_htab.
1236 * explow.c (set_mem_attributes): Delete from here.
1237 * function.c (put_var_into_stack): Clear MEM_ATTRS.
1238 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
1239 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
1240 * reload1.c (reload): Rework changing REG to MEM.
1242 2001-09-30 H.J. Lu <hjl@gnu.org>
1244 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
1245 * config.in: Rebuild.
1247 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1249 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
1250 ("tsthi_1"): Avoid allocation in register y.
1251 ("*movqi_68hc12"): Reorganize and fix constraints.
1252 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
1253 ("addqi3"): Likewise.
1254 ("addhi3"): Fix constraints.
1255 ("*logicalhi3_zexthi"): Disparage soft registers.
1257 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1259 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
1262 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1264 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
1265 that we use setjmp/longjmp exceptions.
1267 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
1269 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
1270 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
1271 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
1272 _cpp_pool_alloc, _cpp_next_chunk): Remove.
1273 (_cpp_extend_buff, BUFF_ROOM): Update.
1274 (_cpp_append_extend_buff): New.
1275 (struct cpp_reader): Remove macro_pool, add a_buff.
1276 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
1278 (cpp_destroy): Free a_buff instead of macro_pool.
1279 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
1280 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
1281 _cpp_pool_alloc, ): Remove.
1282 (parse_number, parse_string): Update use of _cpp_extend_buff.
1283 (_cpp_extend_buff): Update.
1284 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
1285 * cpplib.c (glue_header_name, parse_answer):
1286 Update use of _cpp_extend_buff.
1287 (cpp_register_pragma, cpp_register_pragma_space): Use
1289 (do_assert, do_unassert): Check for EOL, update.
1290 * cppmacro.c (stringify_arg, collect_args): Update to use
1291 _cpp_extend_buff and _cpp_append_extend_buff.
1292 (save_parameter, parse_params, alloc_expansion_token,
1293 _cpp_create_definition): Rework memory management.
1295 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
1297 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
1298 update md_exec_prefix.
1299 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
1302 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
1304 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
1305 (SELECT_CC_MODE): Use s390_select_ccmode.
1306 * config/s390/s390-protos.h (s390_select_ccmode): Add.
1307 * config/s390/s390.c (s390_select_ccmode): New.
1308 (s390_match_ccmode): Add CCLmode.
1309 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
1310 (output_branch_condition, output_inverse_branch_condition): Removed.
1311 (print_operand): Use s390_branch_condition_mnemonic.
1312 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
1313 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
1314 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
1316 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
1317 when converting conditional branches to far branches.
1318 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
1319 cmpint_di): Use CCSmode instead of CCUmode.
1321 * config/s390/s390.c (legitimate_la_operand_p): New.
1322 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
1323 * config/s390/s390.md (movsi): Convert load address patterns to
1324 arithmetic operations when necessary.
1325 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
1326 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
1327 (*do_la_reg_0): Don't use before reload.
1329 * config/s390/s390.c (legitimize_address): Make more efficient
1330 use of two-register addressing mode.
1332 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
1333 with -mno-backchain in some corner cases.
1335 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
1337 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
1339 * reload.c (find_reloads): Mark new USE insns with QImode.
1340 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
1341 find_reloads_subreg_address): Likewise.
1342 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
1344 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
1346 (reload): Make sure there are no USEs with mode other than
1347 VOIDmode. At the end, remove those marked with QImode.
1349 2001-09-29 Per Bothner <per@bothner.com>
1351 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
1352 * Makefile.in (includedir): Rename to local_includedir.
1353 (includedir): Define as $(prefix)/include.
1354 * config.in (PREFIX_INCLUDE_DIR): New variable.
1355 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
1357 2001-09-29 Bernd Schmidt <bernds@redhat.com>
1359 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
1361 * doc/extend.texi (Vector Extensions): New node.
1362 * doc/invoke.texi (Machine Dependent Options): Add documentation for
1363 i386 -mmmx, -msse, -m3dnow.
1365 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1367 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
1369 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
1371 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
1373 * doc/invoke.texi (Optimize Options): Delete spurious @table.
1375 2001-09-28 Richard Henderson <rth@redhat.com>
1377 * varasm.c (assemble_integer): Bound alignment check by
1380 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
1382 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1384 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1386 2001-09-25 Bernd Schmidt <bernds@redhat.com>
1388 Mostly from Graham Stott <grahams@redhat.com>
1389 * c-common.c (type_for_mode): Add support for V2SFmode.
1390 * tree.c (build_common_tree_nodes_2): Likewise.
1391 * tree.h (enum tree_index, global_trees): Likewise.
1392 * config/i386/i386.c (x86_3dnow_a): New variable.
1393 (override_options): Support 3Dnow extensions.
1394 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
1395 Athlon's version of 3Dnow.
1396 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
1397 (ix86_expand_builtin): Handle them.
1398 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
1399 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
1400 TARGET_3DNOW_A): New macros.
1401 (TARGET_SWITCHES): Add 3Dnow switches.
1402 (VALID_MMX_REG_MODE_3DNOW): New macro.
1403 (VECTOR_MODE_SUPPORTED_P): Use it.
1404 (enum ix86_builtins): Add entries for 3Dnow builtins.
1405 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
1406 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
1407 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
1408 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
1409 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
1410 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
1411 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
1412 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
1413 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
1414 sfence_insn, prefetch): Make these available if TARGET_SSE or
1417 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1419 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
1420 ix86_va_start, ix86_build_va_list): Declare.
1421 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
1422 ix86_va_start, ix86_build_va_list): New global functions.
1423 * i386.md (sse_prologue_save_insn): New insn.
1424 (sse_prologue_save): New expander.
1425 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
1426 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
1428 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
1430 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
1431 Use size_t everywhere, make definitions consistent with
1434 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1436 * gcse.c (replace_store_insn): Use delete_insn.
1437 * loop.c (move_movables): Likewise; avoid delete_insn
1438 from clobbering notes moved elsewhere.
1439 (check_dbra_loop): Use delete_insn.
1440 * ssa.c (convert_from_ssa): Likewise.
1441 * cse.c (cse_insn): Use delete_insn.
1443 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
1445 * cpphash.h (struct cpp_buff): Make unsigned.
1446 (_cpp_get_buff): Take length of size_t.
1447 (_cpp_unaligned_alloc): New.
1448 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
1449 (struct cpp_reader): Remove ident_pool. Add u_buff.
1450 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
1451 (cpp_destroy): Destroy u_buff, not ident_pool.
1452 * cpplex.c (parse_number, parse_string, save_comment,
1453 cpp_token_as_text): Update to use the unaligned buffer.
1454 (new_buff): Make unsigned.
1455 (_cpp_unaligned_alloc): New.
1456 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
1457 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
1459 (collect_args): Make unsigned.
1461 2001-09-27 Zack Weinberg <zack@codesourcery.com>
1463 * cpplex.c (cpp_output_token): Use a putc loop for
1464 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
1466 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
1467 * configure, config.in: Regenerate.
1468 * system.h: Replace fwrite and fprintf with their unlocked
1469 variants if available.
1471 2001-09-27 Richard Henderson <rth@redhat.com>
1473 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
1474 in favour of .eh_frame.
1476 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
1478 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
1480 (LIBCALL_VALUE): Likewise.
1482 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
1484 * cpphash.h: Update comment.
1485 * cpplex.c: Update comments.
1486 (_cpp_can_paste): Remove.
1487 * cpplib.h (_cpp_can_paste): Remove.
1488 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
1489 lexer rather than _cpp_can_paste.
1491 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
1493 * doc/cppinternals.texi: Update.
1495 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
1497 * cpphash.h (struct cpp_pool): Remove locks and locked.
1498 (struct cpp_context): Add member buff.
1499 (struct cpp_reader): Remove member argument_pool.
1500 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
1501 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
1502 * cpplex.c (chunk_suitable): Remove pool argument.
1503 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
1504 (new_buff, _cpp_extend_buff): Update.
1505 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
1506 which buffer is returned.
1507 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
1508 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
1509 * cppmacro.c (lock_pools, unlock_pools): Remove.
1510 (push_ptoken_context): Take a _cpp_buff.
1511 (enter_macro_context): Pool locking removed.
1512 (replace_args): Use a _cpp_buff for the replacement list with
1514 (push_token_context): Clear buff.
1515 (expand_arg): Use _cpp_pop_context.
1516 (_cpp_pop_context): Free a context's buffer, if any.
1518 2001-09-26 DJ Delorie <dj@redhat.com>
1520 * c-typeck.c (digest_init): Check for sizeless arrays.
1522 2001-09-26 Richard Henderson <rth@redhat.com>
1524 * optabs.c (init_one_libfunc): Create a dummy function type
1525 instead of using error_mark_node.
1527 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
1529 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
1530 _cpp_extend_buff, _cpp_free_buff): New.
1531 (struct cpp_reader): New member free_buffs.
1532 * cppinit.c (cpp_destroy): Free buffers.
1533 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
1534 _cpp_extend_buff, _cpp_free_buff): New.
1535 * cpplib.h (struct cpp_options): Remove unused member.
1536 * cppmacro.c (collect_args): New. Combines the old parse_arg
1537 and parse_args. Use _cpp_buff for memory allocation.
1538 (funlike_invocation_p, replace_args): Update.
1540 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1542 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
1544 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
1546 * except.c (sjlj_mark_call_sites): Change address inside sequence.
1548 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
1550 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
1553 2001-09-25 Janis Johnson <janis187@us.ibm.com>
1554 Jim Wilson <wilson@redhat.com>
1556 * doc/install.texi (Specific, ia64-*-linux): Document.
1558 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1560 * Makefile.in (cfgrtl.o): Add.
1561 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
1562 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
1563 free_aux_for_edge): Declare.
1565 (HAVE_return): Undefine.
1566 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
1567 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
1568 free_aux_for_edge): New global functions.
1569 (first_delete_block): New static variable.
1570 (init_flow): Clear first_delete_block.
1571 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
1572 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
1573 try_redirect_by_replacing_jump, last_loop_beg_note,
1574 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
1575 delete_insn, delete_insn_chain, create_basic_block_structure,
1576 create_basic_block, flow_delete_block, compute_bb_for_insn,
1577 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
1578 set_block_for_new_insns, split_block, merge_blocks_nomove,
1579 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1580 redirect_edge_and_branch, force_nonfallthru_and_redirect,
1581 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
1582 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
1583 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
1584 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
1585 purge_all_dead_edges): Move to ....
1586 * cfgrtl.c: New file; .... Here.
1588 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
1589 (reroder_basic_block): Use alloc_aux_for_blocks.
1590 * predict.c (estimate_bb_frequencies): Likewise; use
1591 alloc_aux_for_edges.
1592 * profile.c (compute_branch_probabilities): Likewise.
1593 (branch_prob): Likewise.
1594 * reg-stack.c (reg_to_stack): Likewise.
1596 * emit-rtl.c (emit_insns_after): Never return NULL.
1598 * basic-block.h (set_block_for_new_insns): Delete.
1599 * cfgrtl.c (set_block_for_new_insns): Delete.
1601 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
1602 calls when crossjumping.
1604 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
1605 * unroll.c (copy_loop_body): Use delete_insn.
1607 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
1608 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
1609 keep_stack_depressed): Likewise.
1610 * gcse.c (cprop_cc0_jump): Likewise.
1611 * local-alloc.c (update_equiv_regs): Likewise.
1612 * loop.c (scan_loop, loop_delete_insns): Likewise.
1613 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
1614 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
1615 delete_output_reload, delete_address_reloads_1,
1616 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
1618 * sibcall.c (replace_call_placeholder): Likewise.
1619 * cse.c (cse_insn): Likewise.
1621 2001-09-25 Bernd Schmidt <bernds@redhat.com>
1623 From Graham Stott <grahams@redhat.com>
1624 (def_builtin): Only define builtins appropriate for target_flags. All
1626 (builtin_decsription): Add new field mask which is used to determine
1627 when to define the builtin via the macro def_builtin.
1629 (bdesc_comi): Initialise new mask fields.
1630 (bdesc_2srg): Likewise.
1631 (bdesc_1arg): Likewise.
1633 * config/i386/i386.c (ix86_init_builtins): Correct return type
1634 building v4hi_ftype_v4hi_int_int tree node.
1635 (ix86_expand_sse_comi): Fix typo swapping operands.
1636 Don't swap comparision condition, it is already swapped.
1637 (ix86_expand_sse_compare): Before swapping operands
1638 move operand 1 into new rtx and not the target rtx.
1639 Don't swap comparison condition, it is already swapped.
1640 Always check whether we need to create a new TARGET.
1642 * config/i386/i386.md: (sse_comi) Fix typos.
1643 (sse_ucomi): Likewise.
1644 (cvtss2si): Fix operand 0 contraint.
1645 (cvttss2si): Likewise.
1646 (sse_unpckhps): Fix mode for operand 2.
1647 (sse_unpcklps): Likewise.
1649 2001-09-25 Graham Stott <grahams@redhat.com>
1651 * sibcall.c (skip_copy_to_return_value): Tighten return value
1654 2001-09-24 David Edelsohn <edelsohn@gnu.org>
1656 * rs6000.c (lwa_operand): Address must be word aligned.
1658 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1660 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
1661 number has been set.
1662 (type_hash_mark): Mark type itself.
1664 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
1666 * c-lex.c (cb_def_pragma): Update.
1667 (c_lex): Update, and skip padding.
1668 * cppexp.c (lex, parse_defined): Update, remove unused variable.
1669 * cpphash.h (struct toklist): Delete.
1670 (union utoken): New.
1671 (struct cpp_context): Update.
1672 (struct cpp_reader): New members eof, avoid_paste.
1673 (_cpp_temp_token): New.
1674 * cppinit.c (cpp_create_reader): Update.
1675 * cpplex.c (_cpp_temp_token): New.
1676 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
1677 (cpp_output_token): Don't print leading whitespace.
1678 (cpp_output_line): Update.
1679 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
1680 do_include_common, do_line, do_ident, do_pragma,
1681 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
1682 parse_assertion): Update.
1683 (get_token_no_padding): New.
1684 * cpplib.h (CPP_PADDING): New.
1685 (AVOID_LPASTE): Delete.
1686 (struct cpp_token): New union member source.
1687 (cpp_get_token): Update.
1688 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
1689 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
1690 replace_args, quote_string, stringify_arg, parse_arg, next_context,
1691 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
1692 _cpp_backup_tokens, _cpp_create_definition): Update.
1693 (push_arg_context): Delete.
1694 (padding_token, push_token_context, push_ptoken_context): New.
1695 (make_string_token, make_number_token): Update, rename.
1696 (cpp_get_token): Update to handle tokens as pointers to const,
1697 and insert padding appropriately.
1698 * cppmain.c (struct printer): New member prev.
1699 (check_multiline_token): Constify.
1700 (do_preprocessing, cb_line_change): Update.
1701 (scan_translation_unit): Update to handle spacing.
1702 * scan-decls.c (get_a_token): New.
1703 (skip_to_closing_brace, scan_decls): Update.
1704 * fix-header.c (read_scan_file): Update.
1706 * doc/cpp.texi: Update.
1708 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1710 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
1711 leak by passing malloc'ed pointer to reconcat, not concat.
1713 2001-09-24 DJ Delorie <dj@redhat.com>
1715 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
1717 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
1719 * flow.c (delete_dead_jumptables): Delete jumptable if the only
1720 reference is from the literal pool.
1722 2001-09-24 Janis Johnson <janis187@us.ibm.com>
1724 * doc/install.texi (Final install): Request additional information
1725 in mail about successful builds.
1727 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1729 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
1730 initial value of return pointer register instead of value in frame-20.
1733 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1735 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
1736 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
1737 the libcall if there isn't a referenced identifier for the symbol.
1739 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1741 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
1742 non 64-bit machines. Use these as a plabel for the trampoline.
1743 (TRAMPOLINE_SIZE): Adjust size for new words.
1744 (INITIALIZE_TRAMPOLINE): Initialize new words.
1745 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
1746 pointer to the plabel in the trampoline.
1748 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1750 * pa.c (function_arg): Pass floating arguments in both general and
1751 floating registers in indirect (dynamic) calls when generating code
1752 for the 32 bit ABI and the HP assembler.
1754 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1756 * doc/install.texi: Markup fixes.
1757 Use Solaris 2, SunOS 4 as appropriate.
1758 (Specific, *-*-solaris2*): Explain this.
1759 Unconditionally warn against /usr/ucb tools.
1760 Remove Sun as warning, obsolete.
1761 Move X11 header bug workaround here, update patches.
1762 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
1763 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
1765 2001-09-23 Zack Weinberg <zack@codesourcery.com>
1767 * errors.h (warning, error, fatal, internal_error): Don't mark
1768 with ATTRIBUTE_PRINTF_n.
1769 * toplev.h (internal_error, fatal_io_error, warning, error,
1770 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
1771 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
1774 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1776 * function.c (pop_function_context_from): var_refs_queue
1777 and temp slots now in GC memory.
1778 (mark_function_status, free_after_compilation): Likewise;
1779 also struct function now in GC memory.
1780 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
1781 (combine_temp_slots): Likewise.
1782 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
1783 (prepare_function_start): Use GC memory for struct function.
1784 (mark_temp_slot): Deleted.
1785 (gcc_mark_struct_function): struct function now in GC memory.
1787 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
1788 code for division, not modulus.
1790 * rtl.def (MEM): Remove obsolete part of comment.
1792 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
1794 * c-format.c (init_function_format_info): Check __builtin_printf
1795 and __builtin_fprintf even if -ffreestanding. Check C99 functions
1798 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1800 * c-common.c (format_attribute_table): Remove decl.
1801 * tree.h (format_attribute_table, lang_attribute_table): New decls.
1802 (lang_attribute_common): Likewise.
1804 * function.c (fix_lexical_address): Use set_mem_alias_set.
1805 (expand_function_start): Likewise.
1806 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
1808 * varasm.c (output_constant): Fix unused variable warning.
1810 * attribs.c: New file, from c-common.c.
1811 (attribute_tables): Now four elements.
1812 (format_attribute_table, lang_attribute_common): New variables.
1813 (init_attributes): Reflect above changes.
1814 (handle_mode_attribute): Delete check for wider than uintmax.
1815 * c-common.c: Delete parts moved to attribs.c.
1816 (enum attrs): Deleted; unused.
1817 (c_format_attribute_table): New variable.
1818 (c_common_lang_init): Initialize format_attribute_table with it.
1819 * c-common.h (decl_attributes): Remove decl.
1820 * tree.h (decl_attribute): Move it to here.
1821 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
1822 (attribs.o): New rule.
1824 2001-09-22 Andreas Jaeger <aj@suse.de>
1826 * builtins.c (c_getstr): Remove unused variable.
1828 2001-09-21 Richard Henderson <rth@redhat.com>
1830 * reload1.c (reload): Use delete_insn instead of splatting
1833 2001-09-21 Richard Henderson <rth@redhat.com>
1835 * reload.c (push_secondary_reload): Don't check for "=" in output
1836 constraint after ""->ALL_REGS check.
1838 2001-09-21 Richard Henderson <rth@redhat.com>
1840 * predict.c (expected_value_to_br_prob): Use pc_set.
1842 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
1843 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
1845 2001-09-21 Richard Henderson <rth@redhat.com>
1847 * rtl.h (LCT_RETURNS_TWICE): New.
1848 * calls.c (emit_call_1): Set current_function_calls_setjmp for
1850 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
1851 to ECF_RETURNS_TWICE.
1852 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
1855 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
1857 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
1858 (JMP_BUF_SIZE): New.
1860 2001-09-21 Richard Henderson <rth@redhat.com>
1862 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
1865 2001-09-21 Richard Henderson <rth@redhat.com>
1867 * tree.def (FDESC_EXPR): New.
1868 * expr.c (expand_expr): Handle it.
1869 * varasm.c (initializer_constant_valid_p): Likewise.
1870 (output_constant): Likewise.
1871 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1872 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1873 (ASM_OUTPUT_FDESC): New.
1874 * doc/tm.texi: Document the new macros.
1876 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1878 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
1879 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
1880 once merging is complete.
1882 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1884 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
1886 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1888 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
1889 that would be invalid after a merge.
1891 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
1893 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
1894 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
1896 (flow_delete_insn): This one.
1897 (delete_insn_chain): Rename from ...; do not care labels.
1898 (flow_delete_insn_chain): ... this one.
1899 (flow_delete_block): Remove the insns one BB has been expunged.
1900 (merge_blocks_nomove): Likewise.
1901 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
1902 updating BB boundaries.
1903 (tidy_fallthru_edge): Likewise.
1904 (commit_one_edge_insertion): Likewise.
1905 * cfgbuild.c (find_basic_block): Likewise.
1906 (find_basic_blocks_1): Likewise.
1907 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
1908 (try_crossjump_to_edge): Likewise.
1909 (try_optimize_cfg): Likewise.
1910 * cse.c (delete_trivially_dead_insns): Likewise.
1911 * df.c (df_insn_delete): Likewise.
1912 * doloop.c (doloop_modify): Use delete_related_insns.
1913 * emit-rtl.c (try_split): Likewise.
1914 (remove_insn): Update BB boundaries.
1915 * expect.c (connect_post_landing_pads): Use delete_related_insns.
1916 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
1917 updating BB boundaries.
1918 (propagate_block_delete_insn): Likewise.
1919 (propagate_block_delete_libcall): Likewise.
1920 * function.c (delete_handlers): Use delete_related_insns.
1921 (thread_prologue_and_epilogue_insns): Likewise.
1922 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
1923 * genpeep.c (gen_peephole): Use delete_related_insns.
1924 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
1926 (find_cond_trap): Likewise.
1927 * integrate.c (save_for_inline): Use delete_related_insns.
1928 (copy_insn_list): Likewise.
1929 * jump.c (pruge_linie_number_notes): Likewise.
1930 (duplicate_loop_exit_test): Likewise.
1931 (delete_computation): Likewise.
1932 (delete_related_insn): Rename from ...; use delete_insn
1933 (delete_insn): ... this one.
1934 (redirect_jump): Use delete_related_insns.
1935 * loop.c (scan_loop): Likewise.
1936 (move_movables): Likewise.
1937 (find_and_verify_loops): Likewise.
1938 (check_dbra_loop): Likewise.
1939 * recog.c (peephole2_optimize): Likewise.
1940 * reg-stack.c (delete_insn_for_stacker): Remove.
1941 (move_for_stack_reg): Use delete_insn.
1942 * regmove.c (combine_stack_adjustments_for_block): Likewise.
1943 * reload1.c (delete_address_reloads): Use delete_related_insns.
1944 (fixup_abnormal_edges): Use delete_insn.
1945 * recog.c (emit_delay_sequence): Use delete_related_insns.
1946 (delete_from-delay_slot): Likewise.
1947 (delete_scheduled_jump): likewise.
1948 (optimize_skip): Likewise.
1949 (try_merge_delay_insns): Likewise.
1950 (full_simple_delay_slots): Likewise.
1951 (fill_slots_from_thread): Likewise.
1952 (relax_delay_slots): Likewise.
1953 (make_return_insns): Likewise.
1954 (dbr_schedule): Likewise.
1955 * rtl.h (delete_insn): Rename to delete_related_insns.
1956 (delete_insn, delete_insn_chain): New prototypes.
1957 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
1958 by df_insn_delete already.
1959 * ssa-dce.c (delete_insn_bb): Use delete_insn.
1960 * ssa.c (convert_from_ssa): Use delete_related_insns.
1961 * unroll.c (unroll_loop): Likewise.
1962 (calculate_giv_inc): Likewise.
1963 (copy_loop_body): Likewise.
1965 * i386-protos.h (ix86_libcall_value, ix86_function_value,
1966 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1967 ix86_return_in_memory, ix86_function_value): Declare.
1968 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
1969 new static valurables.
1970 (x86_64_reg_class): New enum
1971 (x86_64_reg_class_name): New array.
1972 (classify_argument, examine_argument, construct_container,
1973 merge_classes): New static functions.
1974 (optimization_options): Enable flag_omit_frame_pointer and disable
1975 flag_pcc_struct_return on 64bit.
1976 (ix86_libcall_value, ix86_function_value,
1977 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1978 ix86_return_in_memory, ix86_function_value): New global functions.
1979 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
1980 (function_arg_advance): Handle x86_64 passing conventions.
1981 (function_arg): Likewise.
1982 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
1983 (RETURN_IN_MEMORY): Move offline.
1984 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
1985 (FUNCTION_VALUE_REGNO_P): New macro.
1986 (FUNCTION_ARG_REGNO_P): Move offline.
1987 (struct ix86_args): Add maybe_vaarg.
1988 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
1989 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
1991 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
1993 * s390.md: Changed attributes for scheduling.
1994 * s390.c: (s390_adjust_cost, s390_adjust_priority)
1997 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
1999 Table-driven attributes.
2000 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
2001 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
2002 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
2003 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
2004 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
2005 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
2006 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
2007 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
2008 * tree.h (struct tree_decl): Change machine_attributes to
2010 * doc/c-tree.texi: Document that all attributes are now attached
2012 * c-common.c (add_attribute, attrtab, attrtab_idx,
2013 default_valid_lang_attribute, valid_lang_attribute): Remove.
2014 (attribute_tables, attributes_initialized,
2015 c_common_attribute_table, default_lang_attribute_table): New
2017 (handle_packed_attribute, handle_nocommon_attribute,
2018 handle_common_attribute, handle_noreturn_attribute,
2019 handle_unused_attribute, handle_const_attribute,
2020 handle_transparent_union_attribute, handle_constructor_attribute,
2021 handle_destructor_attribute, handle_mode_attribute,
2022 handle_section_attribute, handle_aligned_attribute,
2023 handle_weak_attribute, handle_alias_attribute,
2024 handle_no_instrument_function_attribute,
2025 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
2026 handle_no_limit_stack_attribute, handle_pure_attribute): New
2028 (init_attributes, decl_attributes): Rewrite to implement
2029 table-driven attributes.
2030 * c-common.h (enum attribute_flags): Move to tree.h.
2031 * c-format.c (decl_handle_format_attribute,
2032 decl_handle_format_arg_attribute): Rename to
2033 handle_format_attribute and handle_format_arg_attribute. Update
2034 for table-driven attributes.
2035 * c-common.h (decl_handle_format_attribute,
2036 decl_handle_format_arg_attribute): Remove prototypes.
2037 (handle_format_attribute, handle_format_arg_attribute): Add
2039 * c-decl.c (grokdeclarator): Handle attributes nested inside
2041 * c-parse.in (setattrs, maybe_setattrs): Remove.
2042 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
2043 Update to handle nested attributes properly.
2044 (maybe_resetattrs, after_type_declarator,
2045 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
2046 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
2048 (make_pointer_declarator): Update to handle nested attributes
2050 * doc/extend.texi: Update documentation of limits of attributes
2051 syntax. Warn about problems with attribute semantics in C++.
2052 * target.h (struct target): Remove valid_decl_attribute and
2053 valid_type_attribute. Add attribute_table and
2054 function_attribute_inlinable_p.
2055 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
2056 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
2057 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
2059 (TARGET_INITIALIZER): Update.
2060 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
2062 (function_attribute_inlinable_p): New function. Check for the
2063 presence of any machine attributes before using
2064 targetm.function_attribute_inlinable_p.
2065 (function_cannot_inline_p): Update.
2066 * Makefile.in (integrate.o): Update dependencies.
2067 * doc/tm.texi: Update documentation of target attributes and
2068 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
2069 * tree.c (default_valid_attribute_p, valid_machine_attribute):
2071 (default_target_attribute_table,
2072 default_function_attribute_inlinable_p): New.
2073 (lookup_attribute): Update comment to clarify handling of multiple
2074 attributes with the same name.
2075 (merge_attributes, attribute_list_contained): Allow multiple
2076 attributes with the same name but different arguments to appear in
2077 the same attribute list.
2078 * tree.h (default_valid_attribute_p): Remove prototype.
2079 (struct attribute_spec): New.
2080 (default_target_attribute_table): Declare.
2081 (enum attribute_flags): Move from c-common.h. Add
2082 ATTR_FLAG_TYPE_IN_PLACE.
2083 (default_function_attribute_inlinable_p): Declare.
2084 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
2085 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
2086 (TARGET_ATTRIBUTE_TABLE): Define.
2087 (vms_attribute_table): New.
2088 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
2089 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
2090 (TARGET_ATTRIBUTE_TABLE): Define.
2091 (arc_attribute_table, arc_handle_interrupt_attribute): New.
2092 * config/arm/arm.c (arm_valid_type_attribute_p,
2093 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
2095 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
2097 (TARGET_ATTRIBUTE_TABLE): Define.
2098 (arm_attribute_table, arm_handle_fndecl_attribute,
2099 arm_handle_isr_attribute): New.
2100 * config/avr/avr.c (avr_valid_type_attribute,
2101 avr_valid_decl_attribute): Remove.
2102 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
2104 (TARGET_ATTRIBUTE_TABLE): Define.
2105 (avr_attribute_table, avr_handle_progmem_attribute,
2106 avr_handle_fndecl_attribute): New.
2107 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
2108 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
2109 (TARGET_ATTRIBUTE_TABLE): Define.
2110 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
2111 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
2112 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
2113 (TARGET_ATTRIBUTE_TABLE): Define.
2114 (h8300_attribute_table, h8300_handle_fndecl_attribute,
2115 h8300_handle_eightbit_data_attribute,
2116 h8300_handle_tiny_data_attribute): New.
2117 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
2118 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
2120 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
2122 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
2123 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
2125 (TARGET_ATTRIBUTE_TABLE): Define.
2126 (ix86_attribute_table, ix86_handle_cdecl_attribute,
2127 ix86_handle_regparm_attribute): New.
2128 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
2129 i386_pe_valid_type_attribute_p): Remove.
2130 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
2131 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
2132 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
2133 (TARGET_ATTRIBUTE_TABLE): Define.
2134 (ia64_attribute_table): New.
2135 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
2136 interrupt_ident2, model_ident1, model_ident2): Remove.
2137 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
2138 (TARGET_ATTRIBUTE_TABLE): Define.
2139 (init_idents): Update.
2140 (m32r_attribute_table, m32r_handle_model_attribute): New.
2141 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
2143 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
2144 (TARGET_ATTRIBUTE_TABLE): Define.
2145 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
2146 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
2147 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
2148 (TARGET_ATTRIBUTE_TABLE): Define.
2149 (mcore_attribute_table, mcore_handle_naked_attribute): New.
2150 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
2151 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
2152 (TARGET_ATTRIBUTE_TABLE): Define.
2153 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
2154 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
2155 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
2156 (TARGET_ATTRIBUTE_TABLE): Define.
2157 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
2158 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
2159 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
2160 (TARGET_ATTRIBUTE_TABLE): Define.
2161 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
2162 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2164 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
2166 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
2167 (TARGET_ATTRIBUTE_TABLE): Define.
2168 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
2170 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
2171 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
2172 (TARGET_ATTRIBUTE_TABLE): Define.
2173 (v850_attribute_table, v850_handle_interrupt_attribute,
2174 v850_handle_data_area_attribute): New.
2175 * config/v850/v850-c.c (mark_current_function_as_interrupt):
2176 Return void. Call decl_attributes instead of
2177 valid_machine_attribute.
2179 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
2181 * sh-protos.h (sh_pr_n_sets): Declare.
2182 * sh.c (calc_live_regs): If the initial value for PR has been copied,
2183 look at the copy to determine if PR needs to be saved.
2184 sh_pr_n_sets: New function.
2185 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
2186 (ALLOCATE_INITIAL_VALUE): Define.
2188 * sh.c (initial_elimination_offset):
2189 Fix RETURN_ADDRESS_POINTER_REGNUM case.
2191 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
2193 * integrate.c (allocate_initial_values): New function.
2194 * integrate.h (allocate_initial_values): Declare.
2195 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
2197 * reload1.c (reload): And initialization of reg_equiv_memory_loc
2199 * toplev.c (rest_of_compilation): To here.
2200 Call allocate_initial_values.
2201 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
2203 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2205 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
2207 2001-09-20 DJ Delorie <dj@redhat.com>
2209 * c-typeck.c (really_start_incremental_init): Discriminate
2210 between zero-length arrays and flexible arrays.
2211 (push_init_level): Detect zero-length arrays and handle them
2212 like fixed-sized arrays.
2213 * expr.c (store_constructor): Handle zero-length arrays and
2214 flexible arrays correctly.
2215 * doc/extend.texi: Update zero-length array notes.
2217 2001-09-20 Jim Wilson <wilson@redhat.com>
2219 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
2220 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
2221 for issue port conflicts.
2222 (cycle_end_fill_slots): TYPE_L instructions take two slots.
2224 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
2226 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
2229 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2231 * fold-const.c (hashtab.h): Include.
2232 (int_const_binop): Remove FORSIZE arg and compute from type; all
2234 Call size_int_type_wide for all single-word constants.
2235 (size_htab_hash, size_htab_eq): New functions.
2236 (size_int_type_wide): Rework to use hash table.
2237 * ggc-common.c (hashtab.h): Include.
2238 (struct d_htab_root): New struct.
2239 (d_htab_roots): New variable.
2240 (ggc_add_deletable_htab, ggc_htab_delete): New functions
2241 (ggc_mark_roots): Handle deletable htabs.
2242 * ggc-page.c (ggc_marked_p): New function.
2243 * ggc-simple.c (ggc_marked_p): Likewise.
2244 * ggc.h: Reformatting throughout.
2245 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
2246 * tree.c (init_obstacks): Make type_hash_table a deletable root.
2247 (type_hash_add): Allocate struct type_hash from GC memory.
2248 (mark_hash_entry, mark_type_hash): Deleted.
2249 (type_hash_marked_p, type_hash_mark): New functions.
2250 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
2252 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
2254 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
2257 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2259 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
2260 array-too-large test for signed sizetype.
2262 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2264 * i386.md (indirect_jump): Allow Pmode operand.
2265 (tablejump): LIkewise; perform expansion to 64bit mode.
2266 * i386.c (symbolic_operand): Allow 64bit PIC references.
2267 (pic_symbolic_operand): Likewise.
2268 (ix86_find_base_term): Strip the 64bit PIC references.
2269 (legitimate_pic_address_disp_p): Handle 64bit PIC.
2270 (legitimize_pic_address): Likewise.
2271 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
2272 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
2274 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
2276 * stringpool.c (get_identifier_with_length): New function.
2277 * tree.h (get_identifier_with_length): New prototype.
2279 2001-09-19 Alan Modra <amodra@bigpond.net.au>
2280 David Edelsohn <edelsohn@gnu.org>
2283 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2284 already sign-extended.
2286 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
2287 * config/rs6000/rs6000.c (logical_operand): Always compare op as
2289 (rs6000_emit_set_long_const): Avoid unnecessary shift.
2290 (output_profile_hook): Declare label_name const.
2291 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
2292 to match constraints.
2294 2001-09-19 Stan Shebs <shebs@apple.com>
2296 * alias.c: Fix typos in comments.
2297 * sched-rgn.c (init_ready_list): Ditto.
2298 * unwind-dw2.c (uw_frame_state_for): Ditto.
2299 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
2300 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
2301 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
2303 2001-09-19 Richard Henderson <rth@redhat.com>
2305 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
2307 * Makefile.in (cfg.o): Depend on TM_P_H.
2309 2001-09-19 Richard Henderson <rth@redhat.com>
2311 * config/alpha/alpha.c (local_symbol_p): Split out from ...
2312 (local_symbolic_operand): ... here.
2313 (small_symbolic_operand): Check mode.
2314 (global_symbolic_operand): New.
2315 (input_operand): Reject symbolics if explicit relocs.
2316 (call_operand): Tidy.
2317 (alpha_legitimize_address): Use movdi_er_high_g.
2318 (alpha_expand_mov): Likewise.
2319 * config/alpha/alpha-protos.h: Update.
2320 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2321 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
2322 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
2323 (UNSPECV_LDGP2): Remove.
2324 (all call patterns): Use 's' not 'i' for symbolic constraint.
2325 (call_osf call_value_osf): Use call_operand.
2326 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
2327 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
2328 (prologue_ldgp_1_er): Remove.
2329 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
2330 (builtin_setjmp_receiver_er patterns): Use them.
2331 (exception_receiver_er): Likewise.
2333 2001-09-19 Richard Henderson <rth@redhat.com>
2335 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
2337 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
2338 and NON_LOCAL_GOTO notes.
2339 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
2340 copy over CALL_INSN_FUNCTION_USAGE.
2342 2001-09-18 Catherine Moore <clm@redhat.com>
2344 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
2347 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
2349 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
2350 new-style tm_file specification. Specify correct tm_p_file,
2351 md_file, and out_file for s390x.
2353 * config/s390/linux.h, linux64.h: Don't include other target
2354 macro header files. Now handled via tm_file.
2356 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
2357 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
2358 are defined before use.
2360 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
2362 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
2363 code generation only for Gnu assembler.
2365 2001-09-18 Catherine Moore <clm@redhat.com>
2367 * config/stormy16 (LIB_SPEC): Remove -lnosys.
2369 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
2371 * config/mips/mips.c (mips_frame_set): New.
2372 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
2373 a parallel frame-related expression with a set for each register.
2375 2001-09-18 Philip Blundell <philb@gnu.org>
2377 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
2380 2001-09-17 Dale Johannesen <dalej@apple.com>
2382 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
2383 * config/rs6000/aix.h (FIXED_R2): Define.
2384 * config/rs6000/darwin.h (FIXED_R2): Define.
2385 * config/rs6000/sysv4.h (FIXED_R2): Define.
2387 2001-09-17 Jeff Sturm <jsturm@one-point.com>
2389 * except.c (dw2_build_landing_pads): New local
2390 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
2391 barrier after clobbers. Fixes c++/4012.
2393 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2395 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
2397 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
2399 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
2400 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
2402 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2404 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
2407 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
2409 * cpphash.h (_cpp_lex_direct): New.
2410 * cpplex.c (_cpp_lex_token): Update.
2411 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
2412 and increment that pointer.
2413 * cppmacro.c (alloc_expansion_token): New.
2414 (lex_expansion_token): Lex macro expansion directly into
2417 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
2419 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
2421 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
2423 * basic-block.h (free_bb_for_insn): Declare.
2424 * bb-reorder.c (label_for_bb): Use block_label.
2425 (emit_jump_to_block_after): Remove.
2426 (insert_intra_1): Do not update block_for_insn.
2427 (insert_inter_bb_scope_notes): Likewise; update bb->end
2428 * cfg.c (free_bb_for_insn): New.
2429 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
2430 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
2431 (commit_one_edge_insertion): Likewise.
2432 (commit_one_edge_insertion): Do not update BB boundary.
2433 (commit_edge_insertions): Do not call compute_bb_for_insn.
2434 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
2435 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
2436 (merge_blocks_move_successor_nojumps): Likewise.
2437 (try_crossjump_to_edge): Do not update block_for_insn.
2438 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
2439 * df.c (df_pattern_emit_later): Do not update BB boundary.
2440 (df_jump_pattern_emit_after): Likewise.
2441 (df_insn_move_before): Use emit_insn_before.
2442 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
2444 (add_insn_after, add_insn_before, emit_insns_after): Update BB
2445 boundaries and basic_block_for_insn.
2446 (reorder_insns_nobb): Rename from reorder_insns.
2447 (reorder_insns): New.
2448 (emit_block_insn_before, emit_block_insn_after): Kill.
2449 * flow.c (check_function_return_warnings): Do not call
2450 compute_bb_for_insn; Do not free basic_block_for_insn.
2451 (attempt_auto_inc): Do not update basic_block_for_insn.
2452 * function.c (emit_return_into_block): Likewise;
2453 do not update BB boundaries.
2454 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
2455 (insert_insn_end_bb): Use emit_insn_before; Likewise.
2456 (pre_insert_copy_insn): Likewise.
2457 (update_ld_motion_notes): Likewise.
2458 (insert_insn_start_bb): Likewise.
2459 (replace_store_insn): Likewise.
2460 * ifcvt.c (noce_process_if_block): Likewise.
2461 (if_convert): Do not call compute_bb_for_insn.
2462 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
2463 Use emit_insn_before and emit_insn_after.
2464 * recog.c (split_all_insns): Do not update BB boundaries;
2465 Do not call compute_bb_for_insn.
2466 (peephole2_optimize): Do not update BB boundaries.
2467 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
2469 (emit_swap_insn): Likewise.
2470 (convert_regs_1): Likewise.
2471 * reload1.c (reload): Call compute_bb_for_insn.
2472 * rtl.h (reorder_insns_nobb): Declare.
2473 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
2474 * toplev.c (rest_of_compilation): Call free_bb_for_insn
2475 at places CFG is invalidated; do not call compute_bb_for_insn.
2477 * cfg.c (expunge_block): Invalidate BB structure.
2479 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
2482 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
2484 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
2486 * cpphash.h (_cpp_lex_token): Update prototype.
2487 * cpplex.c (_cpp_lex_token): New prototype.
2488 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
2489 lex_macro_node, read_flag, do_pragma_poison): Update.
2490 * cppmacro.c (cpp_get_token, parse_params,
2491 lex_expansion_token): Update.
2493 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
2495 * cppmain.c (scan_translation_unit): Don't worry about
2496 putting a space after hashes.
2497 * cpplib.c (directive_diagnostics): New.
2498 (_cpp_handle_directive): Update to use directive_diagnostics.
2499 (run_directive): Don't toggle prevent_expansion.
2500 (do_line): Backup in case of the line extension.
2501 * cpplib.h (cpp_lexer_pos): Remove.
2502 * cppmacro.c (_cpp_create_definition): Precede a leading #
2505 2001-09-15 Richard Henderson <rth@redhat.com>
2507 * c-typeck.c (comptypes): Handle zero-length arrays properly.
2509 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2511 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
2513 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
2515 PR preprocessor/3571
2516 * tradcpp.c (handle_directive): Skip non-vertical space.
2518 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
2520 * cppmain.c (setup_callbacks): Set line callback only
2521 if outputting preprocessed source.
2523 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2525 * collect2.c (main): Const-ification.
2526 * gcc.c (translate_options, process_command): Use xstrdup in
2527 lieu of xmalloc/strcpy.
2528 (main): Use concat in lieu of xmalloc/strcpy/strcat.
2530 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2532 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
2535 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
2537 * scan-decls.c (scan_decls): Fix typo.
2539 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
2541 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
2542 Split mlstring_pos into mls_line and mls_col.
2543 * cppinit.c (cpp_create_reader): Initialize line to 1.
2544 (cpp_destroy): Free tokenruns.
2545 (push_include): Don't update lexer_pos.
2546 * cpplex.c (unterminated, parse_string): Update.
2547 (lex_token): Don't update lexer_pos, update.
2548 * cpplib.c (if_stack): Save line instead of line + col.
2549 (start_directive, _cpp_do__Pragma, do_else, do_elif,
2550 push_conditional, _cpp_pop_buffer): Update.
2551 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
2552 (_cpp_create_definition): Update.
2554 2001-09-15 Eric Christopher <echristo@redhat.com>
2556 * config/mips/abi64.h: Add support for MEABI.
2558 2001-09-15 Eric Christopher <echristo@redhat.com>
2560 * config/mips/mips.md: Add unspec #2.
2562 (reload_outdi): Ditto.
2563 (reload_outsi): Ditto.
2566 2001-09-15 Eric Christopher <echristo@redhat.com>
2567 Jason Eckhardt <jle@redhat.com>
2569 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
2570 * config/mips/isa32-linux.h: New file.
2571 * config/mips/isa3264.h: Ditto.
2572 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
2573 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
2574 (output_block_mode): Support MEABI.
2575 (function_arg): Ditto. Fix floating point arg passing.
2576 (mips_va_start): Ditto.
2577 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
2579 (mips_asm_file_start): Add new section to pass abi to gdb.
2580 (function_arg_pass_by_reference): Support MEABI.
2581 (mips_parse_cpu): Support mips32 and mips64 processors.
2582 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
2583 TARGET_MIPS5KC. Support isa32 and isa64.
2584 (processor_type): Add r4kc, r5kc, r20kc.
2585 (GENERATE_MULT3_SI): New.
2586 (GENERATE_MULT3_DI): Ditto.
2587 (GENERATE_MULT3): Remove.
2588 (ISA_HAS_64BIT_REGS): Add isa == 64.
2589 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
2590 (ISA_HAS_MADD_MSUB): New.
2591 (ISA_HAS_CLZ_CLO): Ditto.
2592 (ISA_HAS_DCLZ_DCLO): Ditto.
2593 (ABI_GAS_ASM_SPEC): New.
2594 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
2597 (SUBTARGET_CC1_SPEC): Ditto.
2598 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
2599 (PAD_VARARGS_DOWN): Support MEABI.
2600 (HARD_REGNO_NREGS): Move to mips.c.
2601 (ASM_OUTPUT_IDENT): Add #undef.
2602 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
2603 (mulsi3): Use GENERATE_MULT3_SI.
2604 (mulsi3_mult3): Ditto. Support mips32, mips64.
2605 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
2606 (mul_sub_si): New pattern.
2607 (unnamed splitters): New.
2608 (muldi3): Use GENERATE_MULT3_DI.
2609 (muldi3_internal2): Ditto.
2610 (movdicc): Support mips32.
2611 * config/mips/t-isa3264: New file.
2613 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
2615 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
2616 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
2617 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
2619 * reorg.c (fill_slots_from_thread): After call to
2620 steal_delay_list_from_target, update own_thread as new_thread may
2623 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
2625 * cpperror.c (print_location): Take line and column, for
2626 default positioning use the previously lexed token.
2627 (_cpp_begin_message): Take line and column.
2628 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2629 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2630 * cpphash.h (_cpp_begin_message): Update prototype.
2631 * cppinit.c (push_include): Don't set output line.
2632 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
2633 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
2634 (do_pragma): Kludge for front ends. Don't expand macros at all.
2635 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
2636 (struct cpp_token): Remove output_line.
2637 (struct cpp_callbacks): New member line_change.
2638 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
2639 cpp_get_token): Preserve BOL flag.
2640 (cpp_get_line): Remove.
2641 (_cpp_backup_tokens): Remove useless abort().
2642 * cppmain.c (cb_line_change): New.
2643 (scan_translation_unit): Don't worry about starting new lines here.
2644 * scan-decls.c (scan_decls): Update.
2645 * c-lex.c (c_lex, init_c_lex): Update.
2646 (cb_line_change, src_lineno): New.
2648 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
2650 * tree.c (append_random_chars): Generate the random
2651 characters in a reproducable fashion.
2653 2001-09-14 Richard Henderson <rth@redhat.com>
2655 * config/i386/i386.c (internal_label_prefix): New.
2656 (internal_label_prefix_len): New.
2657 (override_options): Set them.
2658 (local_symbolic_operand): New.
2659 (legitimate_pic_address_disp_p): Use it.
2660 (legitimize_pic_address): Likewise.
2662 2001-09-14 Marc Espie <espie@openbsd.org>
2664 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
2667 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2669 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
2670 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
2672 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
2674 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
2675 invocation of SUBREG_REGNO_OFFSET.
2677 * haifa-sched.c: Fix typo in FSF copyright statement.
2678 * sched-deps.c: Fix typo in FSF copyright statement.
2679 * sched-ebb.c: Fix typo in FSF copyright statement.
2680 * sched-rgn.c: Fix typo in FSF copyright statement.
2681 * sched-vis.c: Fix typo in FSF copyright statement.
2683 * config.gcc: Move inclusion of arm elf specific header files
2684 from the files themselves into the tm_file variable. Make
2685 sure that elfos.h is included before target specific elf
2687 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
2689 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
2690 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
2691 ASM_OUTPUT_CASE_LABEL): Protect definition.
2692 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
2693 not already defined.
2694 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
2695 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
2696 Remove duplicate definition.
2697 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
2698 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
2699 (RDATA_SECTION_FUNCTION): Remove redundant definition.
2700 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
2701 Remove inclusion of arm/elf.h.
2702 * config/arm/unknown-elf.h: as for conix-elf.h.
2703 (STARTFILE_SPEC): Include crti.o and crtn.o.
2704 * config/arm/linux-elf.h: as for conix-elf.h.
2705 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
2706 * config/arm/strongarm-elf.h: Remove inclusion of
2708 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
2709 * config/arm/unknown-elf-oabi.h: Remove inclusion of
2710 unknown-elf.h and elf.h.
2711 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
2712 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
2713 ASM_WEAKEN_LABEL): Remove redundant definition.
2714 * config/arm/elf.h: Test for inclusion of elfos.h
2715 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
2716 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
2717 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
2718 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
2719 redundant definition.
2720 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
2721 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
2722 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
2723 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
2724 Add rules to build crti.o and crtn.o
2725 * crti.asm: New file.
2726 * crtn.asm: New file.
2728 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
2730 * c-parse.in (_yylex): Use _cpp_backup_tokens.
2731 * cpphash.h (struct tokenrun): Add prev.
2732 (struct lexer_state): Remove bol.
2733 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
2734 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
2736 * cppinit.c (cpp_create_reader): Don't set bol.
2737 (cpp_destroy): Don't free lookaheads.
2738 * cpplex.c (lex_directive): Remove.
2739 (next_tokenrun): Update.
2740 (_cpp_lex_token): Clean up logic.
2741 (lex_token): Update to return a pointer to lexed token, since it
2742 can move to the start of the buffer. Simpify newline handling.
2743 * cpplib.c (SEEN_EOL): Update.
2744 (skip_rest_of_line): Remove lookahead stuff.
2745 (end_directive): Line numbers are already incremented. Revert
2746 to start of lexed token buffer if we can.
2747 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
2748 parse_answer): Use _cpp_backup_tokens.
2749 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
2750 instead. Don't check for EOL.
2751 (do_include_common, do_line, do_pragma_system_header): Use
2753 * cpplib.h (BOL, _cpp_backup_tokens): New.
2754 * cppmacro.c (save_lookahead_token, take_lookahead_token,
2755 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
2756 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
2757 (builtin_macro): Don't use cpp_get_line.
2758 (cpp_get_line): Short term kludge.
2759 (parse_arg): Handle directives in arguments here. Back up when
2760 appropriate. Store EOF at end of argument list.
2761 (funlike_invocation_p): Use _cpp_backup_tokens.
2762 (push_arg_context): Account for EOF at end of list.
2763 (cpp_get_token): Remove lookahead stuff. Update.
2765 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2767 * c-parse.in (yyerror): Const-ification and/or static-ization.
2768 * c-typeck.c (push_member_name): Likewise.
2769 * collect2.c (main): Likewise.
2770 * dbxout.c (dbxout_parms): Likewise.
2771 * diagnostic.c (format_with_decl): Likewise.
2772 * dwarf2out.c (output_ranges): Likewise.
2773 * dwarfout.c (fundamental_type_code): Likewise.
2774 * except.c (dw2_output_call_site_table): Likewise.
2775 * gcc.c (do_spec_1): Likewise.
2776 * genopinit.c (optabs): Likewise.
2777 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
2778 gen_declaration_1, handle_impent): Likewise.
2779 * protoize.c (default_include, in_system_include_dir, abspath):
2781 * sched-vis.c (visualize_stall_cycles): Likewise.
2782 * sdbout.c (plain_type_1, sdbout_end_function,
2783 sdbout_end_epilogue): Likewise.
2784 * varasm.c (decode_reg_name): Likewise.
2786 * 1750a.c (mod_regno_adjust): Likewise.
2787 * alpha.c (alpha_write_one_linkage,
2788 unicosmk_output_default_externs): Likewise.
2789 * arm.c (arm_condition_codes): Likewise.
2790 * arm.h (arm_condition_codes): Likewise.
2791 * avr.c (output_movsisf, encode_section_info): Likewise.
2792 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
2794 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
2795 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
2796 * m88k.c (output_function_profiler): Likewise.
2797 * mips.c (mips_output_conditional_branch): Likewise.
2798 * ns32k.c (ns32k_out_reg_names): Likewise.
2799 * ns32k.h (ns32k_out_reg_names): Likewise.
2800 * pj.c (pj_output_rval): Likewise.
2801 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
2802 * sparc.c (sparc_flat_function_prologue,
2803 sparc_flat_function_epilogue): Likewise.
2805 2001-09-13 Markus Werle <numerical.simulation@web.de>
2806 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2808 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
2809 Aachen University of Technology".
2811 2001-09-13 Andreas Schwab <schwab@suse.de>
2813 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
2816 2001-09-13 Richard Henderson <rth@redhat.com>
2818 * config/alpha/alpha.c (small_symbolic_operand): New.
2819 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
2820 (some_operand, input_operand): Don't handle HIGH.
2821 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
2822 (alpha_expand_mov): Likewise.
2823 (print_operand) [H]: Just print HIGH symbol.
2824 (print_operand_address): Handle small data.
2825 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
2826 (TARGET_SWITCHES): Add -msmall-data/large-data.
2827 (PIC_OFFSET_TABLE_REGNUM): New.
2828 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
2829 (PREDICATE_COES): Update.
2830 * config/alpha/alpha.md (adddi_er_high): New.
2831 (adddi_er_low): Handle small data.
2832 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
2833 prefer .sdata to .rodata.
2834 (SELECT_RTX_SECTION): Likewise.
2836 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
2838 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
2839 defining __size_t and leaving size_t undefined.
2841 2001-09-12 Diego Novillo <dnovillo@redhat.com>
2843 * basic-block.h (expunge_block): Declare.
2844 * cfg.c (expunge_block): Remove static declaration.
2846 2001-09-12 Richard Henderson <rth@redhat.com>
2848 * integrate.c (copy_insn_list): Copy label name from
2849 NOTE_INSN_DELETED_LABEL.
2851 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2853 * c-common.c (c_tree_code_name): Const-ification.
2854 * c-decl.c (c_decode_option): Likewise.
2855 * c-typeck.c (warn_for_assignment): Likewise.
2856 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
2858 * cppinit.c (output_deps): Likewise.
2859 * dependence.c (dependence_string, direction_string): Likewise.
2860 * dwarf2out.c (output_ranges): Likewise.
2861 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
2862 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
2863 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
2864 standard_startfile_prefix, standard_startfile_prefix_1,
2865 standard_startfile_prefix_2, tooldir_base_prefix,
2866 standard_bindir_prefix, find_a_file): Likewise.
2867 * genattrtab.c (make_length_attrs): Likewise.
2868 * gencheck.c (tree_codes): Likewise.
2869 * genemit.c (gen_split): Likewise.
2870 * genrecog.c (special_mode_pred_table): Likewise.
2871 * graph.c (graph_ext): Likewise.
2872 * protoize (default_include): Likewise.
2873 * reload.c (reload_when_needed_name): Likewise.
2874 * sched-vis.c (visualize_stall_cycles): Likewise.
2875 * tlink.c (recompile_files): Likewise.
2876 * toplev.c (decode_g_option): Likewise.
2877 * tradcpp.c (output_deps): Likewise.
2878 * varasm.c (decode_reg_name): Likewise.
2880 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
2883 * avr.c (avr_regnames, encode_section_info): Likewise.
2884 * c4x.c (float_reg_names): Likewise.
2885 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
2886 * elfos.h (const_section): Likewise.
2887 * i386.c (ix86_comp_type_attributes): Likewise.
2888 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
2889 * ia64/aix.h (UNIQUE_SECTION): Likewise.
2890 * ia64.c (type_names): Likewise.
2891 * m68hc11.c (reg_class_names): Likewise.
2892 * m88k.c (m_options): Likewise.
2893 * mips.c (mips_output_conditional_branch, mips_unique_section):
2895 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2896 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
2897 ultra_code_names): Likewise.
2898 * sparc.h (OVERRIDE_OPTIONS): Likewise.
2900 2001-09-12 Jakub Jelinek <jakub@redhat.com>
2902 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
2903 Use --fatal-warnings option for gas.
2904 * configure: Rebuilt.
2906 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2908 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
2910 2001-09-11 Jim Wilson <wilson@redhat.com>
2912 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
2914 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2916 * builtins.c (c_strlen): Treat an offset too large for a
2917 HOST_WIDE_INT as out of range.
2919 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
2921 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
2922 (EDGE_CRITICAL_P): New predicate.
2923 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
2925 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
2926 (dump_edge_info): Remove "crit".
2927 * cfganal.c (mark_critical_edges): Kill.
2928 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
2929 * cfgcleanup.c (cleanup_cfg): Likewise.
2930 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
2931 (find_spanning_tree): Likewise.
2932 * reg-stack.c (convert_regs_1): Likewise.
2933 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
2935 * basic-block.h (create_basic_block_structure): New.
2936 (create_basic_block): Update prototype.
2937 (force_nonfallthru): New.
2938 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
2939 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
2940 handle updating of block_for_insn, creating of empty BBs and BBs at
2941 the end of INSN chain.
2942 (create_basic_block): New function.
2943 (split_block): Use create_basic_block.
2944 (force_nonfallthru_and_redirect): Break out from ...; cleanup
2945 (redirect_edge_and_branch_force): ... here.
2946 (force_nonfallthru): New.
2947 (split_edge): Rewrite to use force_nonfallthru and create_block.
2948 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
2949 (find_basic_blocks): Free basic_block_for_insn.
2950 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
2952 * cfg.c: Fix formating.
2953 * cfgcleanup.c: Fix formating.
2954 (merge_blocks, tail_recursion_label_p): Return bool.
2955 (merge_blocks_move_predecessor_nojumps,
2956 merge_blocks_move_successor_nojumps): Return void.
2958 2001-09-11 Jakub Jelinek <jakub@redhat.com>
2960 * configure.in: Check whether assembler supports section merging.
2961 * config.in: Rebuilt.
2962 * configure: Rebuilt.
2963 * varasm.c (variable_section, output_constant_pool): Pass alignment
2964 to SELECT_SECTION and SELECT_RTX_SECTION.
2965 (mergeable_string_section): New.
2966 (mergeable_constant_section): New.
2967 (default_elf_asm_named_section): Output SECTION_MERGE and
2968 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2969 * output.h (mergeable_string_section): New.
2970 (mergeable_constant_section): New.
2971 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
2972 * toplev.c (flag_merge_constants): New.
2973 (f_options): Add -fmerge-constants and -fmerge-all-constants
2975 (toplev_main): Default to -fno-merge-constants if not optimizing.
2976 * flags.h (flag_merge_constants): Add extern.
2977 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
2978 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
2980 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
2981 Define if assembler has working .subsection -1 support.
2982 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
2983 Put constant into special SHF_MERGE sections if the linker should
2984 attempt to merge duplicates.
2985 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
2987 Put constant into special SHF_MERGE sections if the linker should
2988 attempt to merge duplicates.
2989 * config/alpha/elf.h: Likewise.
2990 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
2991 has working .subsection -1 support.
2992 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
2994 * config/svr3.h: Likewise.
2995 * config/darwin.h: Likewise.
2996 * config/arm/aof.h: Likewise.
2997 * config/arm/linux-elf.h: Likewise.
2998 * config/avr/avr.h: Likewise.
2999 * config/c4x/c4x.h: Likewise.
3000 * config/d30v/d30v.h: Likewise.
3001 * config/i386/dgux.h: Likewise.
3002 * config/i386/osfrose.h: Likewise.
3003 * config/i386/sco5.h: Likewise.
3004 * config/i386/svr3gas.h: Likewise.
3005 * config/ia64/aix.h: Likewise.
3006 * config/m32r/m32r.h: Likewise.
3007 * config/m68k/m68k.h: Likewise.
3008 * config/m88k/dgux.h: Likewise.
3009 * config/m88k/m88k.h: Likewise.
3010 * config/mcore/mcore-pe.h: Likewise.
3011 * config/mips/mips.h: Likewise.
3012 * config/pa/pa.h: Likewise.
3013 * config/pa/pa-linux.h: Likewise.
3014 * config/romp/romp.h: Likewise.
3015 * config/rs6000/sysv4.h: Likewise.
3016 * config/rs6000/xcoff.h: Likewise.
3017 * config/s390/linux.h: Likewise.
3018 * config/sparc/sparc.h: Likewise.
3019 * config/sparc/sysv4.h: Likewise.
3020 * config/stormy16/stormy16.h: Likewise.
3021 * config/v850/v850.h: Likewise.
3022 * config/vax/vms.h: Likewise.
3023 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
3024 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
3025 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
3026 default_elf_asm_named_section for SHF_MERGE sections.
3028 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3030 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
3033 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
3035 * c-common.c (split_specs_attrs): Allow for empty attributes with
3036 empty TREE_PURPOSE. Fixes PR c/4294.
3038 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
3040 * basic-block.h (cached_make_edge, make_single_succ): New.
3041 (make_edge): Remove first parameter.
3042 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
3043 * cfg.c (cached_make_edge): Rename from make_edge; return newly
3044 created edge; use obstack allocation.
3045 (make_edge, make_single_succ_edge): New.
3046 (first_removed_edge): New static variable.
3047 (init_flow): Initialize first_removed_edge and n_edges.
3048 (clear_edges): Use remove_edge.
3049 (flow_delete_block): Likewise.
3050 (remove_edge): Add removed edges to the removed edges list.
3051 (split_block, redirect_edge_and_branch_force, split_edge):
3053 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
3054 (add_noreturn_fake_exit_edges): Likewise.
3055 (connect_infinite_loops_to_exit): Liekwise.
3056 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
3057 Use cached_make_edge.
3058 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
3059 * profile.c (branch_prob): Update make_edge call.
3060 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
3062 2001-09-11 Richard Henderson <rth@redhat.com>
3064 * config/alpha/alpha.c: Tidy formatting.
3065 (local_symbolic_operand): Verify mode.
3066 (alpha_sa_mask): Ignore unicos for eh_return.
3067 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
3068 * config/alpha/alpha.md (umk divsi patterns): Remove.
3069 (extendsfdf2): Remove unicos check.
3070 (tablejump): Merge vms and unicos code; always use direct set
3073 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3075 * config.gcc (alpha*-*-unicosmk*): New target.
3077 * config/alpha/alpha-protos.h (symbolic_operand,
3078 unicosmk_add_call_info_word, unicosmk_add_extern,
3079 unicosmk_defer_case_vector, unicosmk_unique_section,
3080 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
3081 unicosmk_asm_file_start, unicosmk_asm_file_end,
3082 unicosmk_output_common): Declare.
3084 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
3085 direct_return, function_arg, alpha_va_start, alpha_va_arg,
3086 alpha_does_function_need_gp, alpha_end_function): Support Cray
3088 (alpha_init_machine_status, alpha_mark_machine_status,
3089 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
3090 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
3091 unicosmk_asm_named_section, unicosmk_insert_attributes,
3092 unicosmk_section_type_flags, symbolic_operand,
3093 unicosmk_output_module_name, unicosmk_output_default_externs,
3094 unicosmk_output_dex, unicosmk_output_externs,
3095 unicosmk_output_addr_vec, unicosmk_ssib_name,
3096 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
3097 unicosmk_asm_file_end, unicosmk_output_common,
3098 unicosmk_section_type_flags, unicosmk_unique_section,
3099 unicosmk_add_call_info_word, unicosmk_text_section,
3100 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
3101 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
3102 unicosmk_dex_count, unicosmk_special_name): New.
3103 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
3104 TARGET_ABI_UNICOSMK.
3105 (get_aligned_mem, alpha_expand_unaligned_load,
3106 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
3107 alpha_expand_unaligned_store_words): Support big-endian mode.
3108 (print_operand): Likewise. New format specifier 't'. Use
3109 TARGET_AS_SLASH_BEFORE_SUFFIX.
3110 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
3111 (alpha_pv_save_size): Update with above change.
3112 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
3113 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
3116 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
3117 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
3118 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
3119 (EXTRA_CONSTRAINT): New constraint 'U'.
3120 (PREDICATE_CODES): Add symbolic_operand.
3122 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
3123 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
3124 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
3125 (integer division and modulus patterns): Split in default and
3127 (*divmodsi_internal, *divmoddi_internal): Disable for
3128 TARGET_ABI_UNICOSMK.
3129 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
3130 little-endian and big-endian versions.
3131 (ext, ins, msk): Likewise.
3132 (extv, extzv, insv): Support big-endian mode.
3133 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
3134 (call_umk, call_value_umk, *call_umk, tablejump_umk,
3135 *tablejump_umk_internal, *call_value_umk): New.
3136 (*movdi_nofix): Add pattern for loading an address into a register on
3137 TARGET_ABI_UNICOSMK.
3138 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
3139 (umk_mismatch_args, arg_home_umk): New.
3140 (various insns): Don't use mov, fmov, nop, fnop and unop.
3141 (realign): Support TARGET_ABI_UNICOSMK.
3143 * config/alpha/unicosmk.h: New file.
3144 * config/alpha/t-unicosmk: New file.
3146 * fixinc/inclhack.def (unicosmk_restrict): New.
3147 * fixinc/fixincl.x: Regenerate.
3149 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
3150 (wchar_t): Check for and define __WCHAR_T__.
3152 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
3154 * combine.c (simplify_shift_const): Treat shifts by the mode
3157 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
3159 * cpphash.h (struct tokenrun): New.
3160 (struct cpp_context): New member bol.
3161 (struct cpp_reader): New members.
3162 (_cpp_init_tokenrun): New.
3163 * cppinit.c (cpp_create_reader): Set up the token runs.
3164 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
3165 (lex_token): New internalised version of _cpp_lex_token. Don't
3166 handle directives or the multiple include opimisation here any
3167 more. Simply lex a token.
3168 * cpplib.c (run_directive): Clear bol.
3169 (_cpp_pop_buffer): Set bol.
3170 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
3173 2001-09-11 Michael Meissner <meissner@redhat.com>
3175 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
3176 give an error if the user uses -mfp32.
3177 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
3179 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
3180 floating point register size.
3181 (EXTRA_SPECS): Add CPP_FPR_SPEC.
3183 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
3184 HOST_WIDE_INT_PRINT_DEC to properly print the result of
3186 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
3187 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
3189 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
3191 * dbxout.c (dbxout_parms): Fix typo in comment.
3192 * unroll.c (loop_find_equiv_value): Ditto.
3193 * toplev.c (rest_of_compilation): Ditto.
3194 * loop.c (scan_loop): Ditto.
3195 * dwarf2out.c (struct dw_fde_struct): Ditto.
3197 2001-09-10 Zack Weinberg <zackw@panix.com>
3199 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
3200 copying identifier when we're just going to throw it away.
3201 (parse_identifier_slow): New routine to handle abnormal cases.
3202 (_cpp_lex_token): Update call site.
3204 * hashtable.c (ht_lookup): Don't assume that the string we've
3205 been given is NUL-terminated.
3206 * system.h: #define __builtin_expect(a, b) to (a) if not
3209 2001-09-10 Michael Meissner <meissner@redhat.com>
3211 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
3214 2001-09-10 David Edelsohn <edelsohn@gnu.org>
3216 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
3218 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3220 * builtins.c (c_getstr): Correct thinko in last change and further
3223 2001-09-10 Tim Freeman <tim@fungibole.com>
3225 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
3226 into varray's and register them as roots with the garbage
3227 collector so they are not collected too soon.
3229 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
3231 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
3233 * basic-block.h (flow_obstack, label_value_list,
3234 tail_recursion_label_list): Declare
3235 (tidy_fallthru_edges): Declare.
3236 (expunge_block, last_loop_beg_note): Delete.
3237 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
3239 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
3240 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
3241 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
3242 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
3243 expunge_block, flow_delete_block, compute_bb_for_insn,
3244 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
3245 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
3246 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
3247 try_redirect_by_replacing_jump, last_loop_beg_note,
3248 redirect_edge_and_branch, redirect_edge_and_branch_force,
3249 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
3250 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
3251 commit_edge_insertions, dump_flow_info, debug_flow_info,
3252 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
3253 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
3254 Move here from flow.c
3255 * cfganal.c: New file.
3256 (forwarder_block_p, can_fallthru, mark_critical_edges,
3257 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
3258 find_unreachable_blocks, create_edge_list, free_edge_list,
3259 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
3260 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
3261 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
3262 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
3263 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
3264 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
3265 Move here from flow.c
3266 * cfgbuild.c: New file
3267 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
3268 make_edges, find_basic_blocks_1, find_basic_blocks,
3269 find_sub_basic_blocks): Move here from flow.c
3270 * cfgcleanup.c: New file.
3271 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
3272 merge_blocks_move_predecessor_nojumps,
3273 merge_blocks_move_successor_nojumps, merge_blocks,
3274 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3275 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
3276 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
3278 * cfgloop.c: New file
3279 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
3280 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
3281 flow_loop_exit_edges_find, flow_loop_nodes_find,
3282 flow_loop_pre_header_scan, flow_loop_pre_header_find,
3283 flow_loop_tree_node_add, flow_loops_tree_build,
3284 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
3285 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
3286 Move here from flow.c
3287 * flow.c: Remove everything moved elsewhere
3288 * output.h (cleanup_cfg): Return bool.
3290 * bb-reorder.c (reorder_block_def): Remove 'index'.
3291 (insert_intra_1): Add argument BB, set block for new note.
3292 (make_reorder_chain): Do not depdent on BB indexes.
3293 (make_reorder_chain_1): Do not use BB indexes.
3294 (label_for_bb): Likewise; set BB for new insn.
3295 (emit_jump_to_block_after): Likewise.
3296 (fixup_reoder_chain): Sanity check that all basic blocks
3297 are chained; verify newly created insn chain; remove
3298 undocnitional jump simplifying; Do not use BB indexes;
3299 properly initialize count and frequency information;
3300 dump reordered sequence.
3301 (insert_intra_bb_scope_notes): update call of insert_intra_1.
3302 (insert_inter_bb_scope_notes): Set block for new insn.
3303 (reorder_basic_blocks): Dump flow info before reoredering.
3305 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3307 * alias.c (clear_reg_alias_info): Use K&R format definition.
3308 Avoid unsigned warning.
3309 * builtins.c: Use "unsigned int", not "unsigned".
3310 (target_char_cast): Use host_integerp and tree_low_cst.
3311 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
3312 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
3313 (c_getstr): Likewise.
3314 (std_expand_builtin_va_arg): Use int_size_in_bytes.
3315 (builtin_memcpy_read_str): Avoid unsigned warning.
3316 (expand_builtin_memcpy): Alignments are unsigned.
3317 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
3318 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
3319 * predict.c (expensive_function_p): LIMIT now unsigned.
3320 * resource.c (mark_target_live_regs): Make some vars unsigned.
3321 * sdbout.c: Use "unsigned int", not "unsigned".
3322 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
3323 (sdbout_source_line): Likewise.
3324 (sdbout_record_type_name): Remove "const" for NAME declaration.
3325 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
3327 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
3329 * calls.c (store_one_arg): Expand comment.
3331 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3333 * calls.c (store_one_arg): Make sure that the entire argument is
3334 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
3336 2001-09-09 Richard Henderson <rth@redhat.com>
3338 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
3340 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
3342 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
3344 2001-09-09 Richard Henderson <rth@redhat.com>
3346 * config/alpha/alpha.c (alpha_next_sequence_number): New.
3347 (alpha_this_literal_sequence_number): New.
3348 (alpha_this_gpdisp_sequence_number): New.
3349 (some_operand, input_operand): Add HIGH.
3350 (local_symbolic_operand): New.
3351 (alpha_encode_section_info): New.
3352 (alpha_legitimate_address_p): Allow LO_SUM.
3353 (alpha_legitimize_address): Generate HIGH+LO_SUM.
3354 (alpha_expand_mov): Likewise.
3355 (secondary_reload_class): Check memory_operand not general_operand
3357 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
3358 (alpha_expand_unaligned_store): Likewise.
3359 (alpha_expand_unaligned_load_words): Likewise.
3360 (alpha_expand_unaligned_store_words): Likewise.
3361 (alpha_expand_block_clear): Likewise.
3362 (print_operand): Handle %#, %*, %H.
3363 (print_operand_address): Handle LO_SUM.
3365 (alpha_does_function_need_gp): Use it.
3366 (alpha_expand_block_move): Fix signed compare warnings.
3367 (alpha_sa_mask, alpha_align_insns): Likewise.
3368 * config/alpha/alpha-protos.h: Update.
3369 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
3370 (MASK_EXPLICIT_RELOCS): New.
3371 (TARGET_SWITCHES): Add -mexplicit-relocs.
3372 (EXTRA_CONSTRAINT): Add 'T'.
3373 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
3374 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
3375 (ENCODE_SECTION_INFO): Out line.
3376 (REDO_SECTION_INFO_P): New.
3377 (STRIP_NAME_ENCODING): New.
3378 (ASM_OUTPUT_LABELREF): New.
3379 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
3380 (PREDICATE_CODES): Update.
3381 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
3382 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
3383 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
3384 builtin_setjmp_receiver_er, exception_receiver_1_er,
3385 call_value_osf_1_er): New patterns.
3386 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
3387 (movqi, movhi, movsi): Add explicit $31 base register to lda.
3388 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
3389 (FINAL_PRESCAN_INSN): New.
3391 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
3393 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
3395 2001-09-08 Andreas Jaeger <aj@suse.de>
3397 * i386.h (TARGET_SWITCHES): Fix description.
3399 2001-09-07 David Edelsohn <edelsohn@gnu.org>
3401 * rs6000.c (num_insns_constant): Compute number of instructions
3404 * doc/install.texi: Explain AIX exception handling work-around.
3405 Update URL for AIX fixes.
3407 2001-09-07 Jim Wilson <wilson@redhat.com>
3409 * alias.c (clear_reg_alias_info): New.
3410 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
3411 * rtl.h (clear_reg_alias_info): Declare.
3413 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3415 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
3417 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
3418 (m16m,edivm,emulm): Change declaration to match definition.
3420 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3422 * reload.c (push_reload): Check for subreg_lowpart_p instead of
3423 SUBREG_BYTE being 0 when determining if the inner part of a subreg
3426 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3428 * c-common.c (signed_or_unsigned_type): Handle machine mode types
3429 which have no corresponding C type.
3430 * fold_const.c (target_isinf,target_isnan,target_negative): Update
3431 the representation of 64-bit doubles to work with 64-bit ints.
3433 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
3435 * config/mips/mips.c (override_options): Do not override ISA when ABI
3436 specified if MIPS_CPU_STRING_DEFAULT was specified.
3438 2001-09-07 Richard Henderson <rth@redhat.com>
3440 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
3441 (express_from_1): Wrap lines.
3442 * rtlanal.c (commutative_operand_precedence): Rename from
3443 operand_preference; export.
3444 * rtl.h: Declare it.
3445 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
3446 (simplify_binary_operation): Invoke simplify_plus_minus on
3447 (CONST (PLUS ...)) as well.
3448 (struct simplify_plus_minus_op_data): New.
3449 (simplify_plus_minus_op_data_cmp): New.
3450 (simplify_plus_minus): Use them. Avoid infinite recursion with
3451 simplify_binary_operation wrt CONST.
3453 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
3455 * h8300-protos.h (general_operand_dst_push): Remove.
3456 * h8300.c (general_operand_dst_push): Likewise.
3457 * h8300.h (OK_FOR_T): Likewise.
3458 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
3459 * h8300.md (pushqi_h8300): New.
3460 (pushqi_h8300hs): Likewise.
3462 (pushhi_h8300): Likewise.
3463 (pushhi_h8300hs): Likewise.
3466 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3468 * genattrtab.c (attr_printf): First arg is unsigned.
3469 Clean up formatting of callers.
3471 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
3473 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
3476 2001-09-07 Andreas Jaeger <aj@suse.de>
3478 * i386.h (TARGET_SWITCHES): Fix descriptions.
3480 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3482 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
3484 2001-09-06 Ira Ruben <ira@apple.com>
3486 Remove OP_IDENTIFIER.
3487 * tree.def (OP_IDENTIFIER): Remove.
3488 * tree.c (tree_node_kind enum): Remove op_id_kind.
3489 (tree_node_kind_names): Remove "op_identifiers".
3490 (make_node): Remove OP_IDENTIFIER test.
3491 (build_op_identifier): Removed because it isn't being used.
3492 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
3493 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
3495 2001-09-06 Richard Henderson <rth@redhat.com>
3497 * simplify-rtx.c (simplify_binary_operation): Revert last change.
3499 2001-09-06 Richard Henderson <rth@redhat.com>
3501 * simplify-rtx.c (simplify_binary_operation): Simplify contents
3504 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3506 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
3507 number used for CR register.
3509 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
3510 Joern Rennecke (amylaar@cygnus.com)
3512 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
3513 * h8300.c (initial_offset): Handle offset between RP and FP.
3514 (h8300_return_addr_rtx): New function.
3515 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
3517 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
3518 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
3519 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
3520 (CAN_ELIMINATE, REGISTER_NAMES):
3521 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
3523 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
3525 Remove TYPE_NONCOPIED_PARTS.
3526 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
3527 (struct tree_type): Remove noncopied_parts.
3528 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
3529 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
3530 (fixed_type_p): Remove.
3531 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
3532 (expand_expr, MODIFY_EXPR): Likewise.
3533 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
3534 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
3536 2001-09-06 Alan Modra <amodra@bigpond.net.au>
3538 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
3540 (mask64_operand): Likewise.
3541 (includes_rldic_lshift_p): Likewise.
3542 (includes_rldicr_lshift_p): Likewise.
3544 2001-09-05 Ziemowit Laski <zlaski@apple.com>
3546 * objc/objc-act.c (build_message_expr): If a class method cannot
3547 be found, do not issue a warning if a corresponding instance
3548 method exists in the root class.
3550 2001-09-05 Richard Henderson <rth@redhat.com>
3552 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
3554 2001-09-05 Zack Weinberg <zack@codesourcery.com>
3556 * function.c (ggc_mark_struct_function): Mark f->outer.
3557 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
3558 * integrate.c (output_inline_function): ... not here.
3560 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
3562 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
3564 * i386.c (size_cost): New static variable.
3565 (override_function): Use size_cost when -Os is specified.
3567 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
3568 properly; Use current_function_calls_eh_return.
3569 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
3570 use leave to avoid depdendancy chain.
3572 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
3573 get BB loop_depth instead of computing it from LOOP notes.
3575 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
3577 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3579 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3580 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3581 UNALIGNED_DOUBLE_INT_ASM_OP): Define
3583 2001-09-05 Jeffrey A Law (law@cygnus.com)
3584 Jason Merrill (jason@redhat.com)
3586 * stor-layout.c (layout_type): Complain if an array's size can
3587 not be represented in a size_t.
3589 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
3591 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
3593 * gcc.c: (process_command) Add parentheses around assignment
3594 used as truth value.
3596 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
3598 * config/mips/mips.c (save_restore_insns): Don't mark any register
3599 save slots as unchanging if current_function_calls_eh_return.
3601 2001-09-05 Richard Henderson <rth@redhat.com>
3603 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
3604 * config/alpha/alpha-protos.h: Declare it.
3605 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
3606 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
3607 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
3608 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
3609 (REG_OK_FOR_BASE_P): Select one of the above.
3611 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
3613 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
3614 (crti.o): Prefix name of object file with $(T).
3617 2001-09-05 David S. Miller <davem@redhat.com>
3619 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
3620 * config/sparc/linux64.h: Likewise.
3622 2001-09-05 Andreas Jaeger <aj@suse.de>
3624 * doc/invoke.texi (i386 Options): -mwide-multiply is not
3625 available anymore, remove the documentation.
3626 (i386 Options): Fix typo, cleanup index entries.
3628 * prefix.c (concat): Remove, we can use the version from liberty.
3630 2001-09-05 Richard Henderson <rth@redhat.com>
3632 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
3633 New functions split out of md file expanders.
3634 * config/alpha/alpha-protos.h: Declare them.
3635 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
3637 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
3639 * cppmacro.c (funlike_invocation_p): No need to restore context.
3641 2001-09-04 Richard Henderson <rth@redhat.com>
3643 * reload.c (push_reload): Export.
3644 * reload.h (push_reload): Declare it.
3646 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
3647 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3648 * config/alpha/alpha.c (alpha_legitimize_address): New.
3649 (alpha_legitimize_reload_address): Likewise.
3650 * config/alpha/alpha-protos.h: Declare them.
3652 2001-09-04 Stan Shebs <shebs@apple.com>
3654 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
3655 * config/darwin.c (machopic_stub_name): Account for internally
3656 generated lib calls such as memcpy.
3658 2001-09-04 Richard Henderson <rth@redhat.com>
3660 * unwind.h (_UA_END_OF_STACK): New flag.
3661 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
3663 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
3665 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
3667 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
3669 * config/mips/mips.c (save_restore_insns): Change base_offset to
3670 fp_offset in second call to mips_emit_frame_related_store.
3672 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
3674 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
3675 sometimes be represented as a NOTE of type
3676 NOTE_INSN_DELETED_LABEL.
3677 (Insns): Document NOTE_INSN_DELETED_LABEL.
3679 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
3681 * c-common.h (tree_dump_index): Add more comments.
3682 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
3683 (dump_option_value_info): New struct.
3684 (dump_options): New array.
3685 (dump_switch_p): Parse switch options symbolically.
3686 * doc/invoke.texi (-fdump-ast): Rename to ...
3687 (-fdump-tree): ... here. Document that options are symbolic, and
3688 not all are applicable.
3690 2001-09-04 David S. Miller <davem@redhat.com>
3692 * config/sparc/sparc.md (define_splits): Kill constraints.
3694 Cleanup redundant and unused insn attributes.
3695 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
3696 binary, and move. Mark ialu as default.
3697 (commented out define_function_unit "alu"): Kill.
3698 (define_attr "use_clobbered"): Kill.
3699 (whole file): Kill address insn type references. Replace
3700 all unary/binary/move references with ialu.
3701 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
3702 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
3705 Simplify length insn attribute and make more judicious use
3706 of insn attribute defaulting.
3707 * config/sparc/sparc.md (all insns with length > one): Mark as
3708 insn type multi if real instructions, else use default if
3709 it is a forced splitter.
3710 (all insns with length == one): Use default insn length.
3711 (all insns of type ialu): Use default insn type.
3713 Fix erroneous insn attribute settings.
3714 (addx): Set insn type to misc.
3715 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
3716 const_umulsidi3_sp64): Set insn type to imul.
3718 Track SFmode vs DFmode insns according to UltraSPARC
3720 * config/sparc/sparc.md ("fptype"): New attribute, default
3722 (all DFmode single insns): Mark as fptype "double".
3724 2001-09-03 Jakub Jelinek <jakub@redhat.com>
3726 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
3728 2001-09-03 Richard Henderson <rth@redhat.com>
3730 * function.h (struct function): Add arg_pointer_save_area_init.
3731 * function.c (expand_function_end): Init arg_pointer_save_area.
3732 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
3733 when called from a nested function.
3735 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
3737 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
3740 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3742 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
3744 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
3746 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
3747 (emit_push_insn): Use specified padding direction when
3748 STACK_PUSH_CODE is POST_INC.
3750 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
3752 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3754 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
3756 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
3758 * cppinit.c (cpp_start_read): Free the imacros list as we
3759 traverse it. Don't free the chains before returning.
3760 (_cpp_push_next_buffer): Only try pushing buffers if we've
3761 completed -imacros handling.
3763 2001-08-31 Eric Christopher <echristo@redhat.com>
3765 * gcc.c (handle_braces): Add explaination for abort.
3767 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
3769 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
3770 move adjustment of bitpos instead.
3772 2001-08-31 Zack Weinberg <zack@codesourcery.com>
3774 * function.c: Remove all_functions. Make outer_function_chain
3776 (init_function_start): Don't add new function structure to
3778 (find_function_data, push_function_context_to,
3779 pop_function_context_from, put_var_into_stack,
3780 trampoline_address): Update for changed structure element names.
3781 (push_function_context_to): Disentangle.
3782 (free_after_compilation): Also free F.
3783 (expand_dummy_function_end): Don't free cfun here.
3784 (put_var_into_stack): Comment why we can't use find_function_data here.
3785 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
3786 (mark_function_chain): Split into maybe_mark_struct_function and
3787 ggc_mark_struct_function. Export the latter.
3788 (init_function_once): Mark from cfun and outer_function_chain;
3791 * function.h (struct function): Kill next_global. Rename next
3792 to outer. All users updated to match.
3793 (all_functions, outer_function_chain): Don't declare.
3795 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
3796 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
3797 don't touch f->inlinable, after calling rest_of_compilation.
3799 * tree.h: Forward-declare struct function. Prototype
3800 ggc_mark_struct_function.
3802 2001-08-31 Kazu Hirata <kazu@hxi.com>
3804 * config/h8300/h8300.md (*andorhi3): Fix typos.
3806 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3808 * calls.c (emit_library_call_value): Don't use a fixed
3809 argument after VA_CLOSE, i.e. out of scope in traditional C.
3811 * emit-rtl.c (gen_rtvec): Likewise.
3813 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3815 * Makefile.in (c-pragma.o): Depend on output.h.
3816 (reorg.o): Depend on except.h.
3818 * c-pragma.c: Include output.h.
3820 * reorg.c: Include except.h.
3822 * unwind-dw2.c: Call __builtin_alloca, not alloca.
3824 2001-08-31 Richard Henderson <rth@redhat.com>
3826 * sched-deps.c (add_dependence): Don't elide dependancy if the
3827 conditional used by insn is modified in elem.
3829 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
3831 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
3833 2001-08-31 Diego Novillo <dnovillo@redhat.com>
3835 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
3838 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3840 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
3842 (stormy16_asm_out_constructor): New function.
3843 (TARGET_ASM_CONSTRUCTOR): Define.
3844 (TARGET_ASM_DESTRUCTOR): Define.
3846 2001-08-31 Andreas Jaeger <aj@suse.de>
3848 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
3849 * loop.c (add_label_notes): Likewise.
3850 * reload.c (find_reloads): Likewise.
3851 * config/sh/sh.c (machine_dependent_reorg): Likewise.
3853 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
3855 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
3856 code here. Take _Unwind_{W,Sw}ord*.
3857 (read_encoded_value_with_base): Use them.
3858 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
3860 (extract_cie_info): Simplify read_?leb128 handling.
3861 (execute_stack_op, execute_cfa_program): Likewise.
3862 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
3864 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3866 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
3867 the frame pointer to pop the stack if convenient.
3869 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
3870 Don't use post-increment before combine.
3871 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
3872 a call-saved register.
3874 2001-08-31 Andreas Jaeger <aj@suse.de>
3876 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
3879 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
3881 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
3882 not DIV/MOD, of course.
3884 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
3886 * rtl.def: Undo my patch commited 2001-08-27.
3888 * genattrtab.c: Ditto.
3892 * sched-int.h: Ditto.
3894 * target-def.h: Ditto.
3898 * haifa-sched.c: Ditto.
3900 * sched-rgn.c: Ditto.
3902 * sched-vis.c: Ditto.
3904 * Makefile.in: Ditto.
3906 * doc/md.texi: Ditto.
3908 * doc/tm.texi: Ditto.
3910 * doc/contrib.texi: Ditto.
3912 * doc/gcc.texi: Ditto.
3914 * genattrtab.h: Remove it.
3916 * genautomata.c: Remove it.
3918 * genattr.c: Undo my patch and Richard Henderson's patch commited
3921 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
3923 * config.gcc (h8300-*-elf*): New case.
3924 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
3925 (SUBTARGET_CPP_SPEC): Define.
3926 (EXTRA_SPECS): Define.
3927 (SUBTARGET_EXTRA_SPECS): Define.
3928 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
3929 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
3931 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
3933 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
3934 (LIB2FUNCS_EXTRA): Define.
3935 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
3936 config/h8300/fixunssfsi.c: New file.
3938 2001-08-30 Kazu Hirata <kazu@hxi.com>
3940 * config/h8300/h8300.md (zero_extendqihi2): Changes to
3941 define_expand to accomodate target-specific attributes.
3942 (anonymous zero_extendqihi2 patterns): New.
3944 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
3946 * h8300.md (*andorhi3): New pattern.
3948 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
3950 * h8300.c (dosize): Fix test for "sub".
3952 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
3954 * c-typeck.c (pointer_diff): Try to eliminate common term before
3957 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
3959 * config/arm/arm.c (arm_compute_initial_elimination_offset):
3960 Account for the saves of the FP registers.
3962 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
3963 (TEXT_SECTION_ASM_OP): Define.
3964 (INIT_SECTION_ASM_OP): Define.
3965 (FINI_SECTION_ASM_OP): Define.
3966 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
3967 (RDATA_SECTION_FUNCITON): Provide prototype.
3969 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
3971 * reload1.c (move2add_note_store): Correct typo checking for
3974 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
3976 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
3977 note should not be considered outside the libcall block.
3979 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3981 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
3983 2001-08-29 Kazu Hirata <kazu@hxi.com>
3985 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
3987 2001-08-29 Kazu Hirata <kazu@hxi.com>
3989 * config/h8300/h8300-protos.h: Add a prototype for
3991 * config/h8300/h8300.c (emit_logical_op): New.
3992 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
3999 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4001 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
4002 comparison with rtx INTVAL.
4003 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
4005 * pa.h (FUNCTION_ARG_SIZE): Likewise.
4007 2001-08-29 Kazu Hirata <kazu@hxi.com>
4009 * config/h8300/lib1funcs.asm: Update the copyright. Fix
4012 2001-08-29 Kazu Hirata <kazu@hxi.com>
4014 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
4015 (reg n) to (mem (pre_dec (reg n))
4016 (anonymous movsi pattern): Likewise.
4018 2001-08-29 Kazu Hirata <kazu@hxi.com>
4020 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
4022 2001-08-29 Kazu Hirata <kazu@hxi.com>
4024 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
4025 several special constants.
4027 2001-08-29 Kazu Hirata <kazu@hxi.com>
4029 * config/h8300/lib1funcs.asm: Fix comment typos.
4031 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4033 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
4034 Fix format specifier warnings.
4036 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
4037 inet_makeaddr, semctl): Prototype.
4039 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
4040 (save_restore_insns): Use base_offset, not gp_offset.
4042 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
4043 (ASM_OUTPUT_BYTE): Fix format specifier warning.
4045 2001-08-29 Richard Henderson <rth@redhat.com>
4047 * bb-reorder.c (function_tail_eff_head): New.
4048 (record_effective_endpoints): Set it.
4049 (fixup_reorder_chain): Use it.
4051 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4053 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
4055 2001-08-28 Dale Johannesen <dalej@apple.com>
4057 * config/darwin.c (machopic_function_base_name): Add const
4058 qualifier to a string.
4059 (darwin_encode_section_info): Ditto.
4061 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4063 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
4064 function definition.
4066 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
4068 * df.h (struct df): Add rts_order variable.
4070 * df.c (df_visit_next_rts): New function.
4071 (df_visit_next): Renamed to df_visit_next_rc
4072 (df_analyse_1): Allocate/compute/free rts_order as well.
4073 (df_rd_global_compute): Use df_visit_next_rc instead of
4075 (df_ru_global_compute): Use df_visit_next_rts instead of
4078 * flow.c (flow_reverse_top_sort_order_compute): New function.
4080 * basic-block.h: Add prototype.
4082 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
4084 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
4085 blocks, the BB_REACHABLE is now set, rather than aux being
4086 non-NULL. Update the test to reflect this.
4088 2001-08-28 Eric Christopher <echristo@redhat.com>
4090 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
4091 config/mips/crti.asm: Ditto.
4093 2001-08-28 Eric Christopher <echristo@redhat.com>
4094 Richard Henderson <rth@redhat.com>
4096 * c-pragma.h (add_weak): Move prototype from here...
4097 * output.h (add_weak): ... to here.
4098 * varasm.c (add_weak): Fix typo.
4099 * config/mips/crti.asm: New file.
4100 * config/mips/crtn.asm: Ditto.
4101 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
4102 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
4103 (INVOKE__main): Ditto.
4104 (INIT_SECTION_ASM_OP): New.
4105 (FINI_SECTION_ASM_OP): Ditto.
4106 (STARTFILE_SPEC): Add crti.
4107 (ENDFILE_SPEC): Add crtn.
4108 * config/mips/elf64.h: Same.
4109 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
4111 * config/mips/vxworks.h: Ditto.
4112 * config/mips/t-elf: Support crti and crtn.
4114 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
4116 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
4119 2001-08-28 Richard Henderson <rth@redhat.com>
4121 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
4122 (one_cmplbi2 splitter): Remove redundant test.
4124 2001-08-28 Dale Johannesen <dalej@apple.com>
4126 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
4128 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
4130 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
4132 2001-08-28 Stan Shebs <shebs@apple.com>
4134 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
4135 (UNALIGNED_SHORT_ASM_OP): Define.
4136 (UNALIGNED_INT_ASM_OP): Define.
4138 2001-08-28 Will Cohen <wcohen@redhat.com>
4140 * config/rs6000/rs6000.md (store_multiple): Correct RTL
4141 generation for first set.
4143 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
4145 * flow.c (redirect_edge_succ_nodup): Return new edge.
4146 (try_simplify_condjump): Use new edge.
4147 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
4149 * cse.c (cse_basic_block): Skip note instructions.
4151 2001-08-27 Richard Henderson <rth@redhat.com>
4153 * combine.c (combine_simplify_rtx): Don't reverse condition
4154 if there is no reverse for the condition.
4155 (simplify_comparison): Don't simplify subregs from INT to FP.
4157 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
4158 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
4159 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
4160 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
4161 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
4162 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
4164 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
4166 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
4167 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
4169 (adddi_dilshr32, adddi_dishl32): Only data register can be
4170 source for mem destination.
4172 * expmed.c (store_bit_field): Ignore adjustment to bitpos
4173 and use bitnum to decide about register move.
4175 2001-08-27 Richard Henderson <rth@redhat.com>
4177 * genattr.c (main): Emit state_t even when not doing scheduling.
4179 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
4180 Richard Henderson <rth@redhat.com>
4182 * gcse.c (reg_first_set, reg_last_set): Replace with ...
4183 (reg_avail_info, current_bb): ... these.
4184 (oprs_unchanged_p, record_last_reg_set_info): Use them.
4185 (compute_hash_table): Likewise.
4187 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
4189 * flow.c (verify_flow_info): Use checksums to verify edges.
4191 2001-08-27 Richard Henderson <rth@redhat.com>
4193 * genautomata.c (expand_automata): Always create a description.
4195 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
4197 * optabs.c (expand_binop): Correctly handle the carry in multiword
4198 add/subtract operations.
4200 2001-08-27 Fred Fish <fnf@be.com>
4202 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
4205 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
4207 * reload.c (find_reloads_toplev): Back out this change:
4209 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
4211 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
4212 mem if the address is a mode_dependent_address_p.
4214 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4216 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
4217 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
4218 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
4221 * genattr.c (main): New variable num_insn_reservations. Increase
4222 it if there is DEFINE_INSN_RESERVATION. Output automaton based
4223 pipeline hazard recognizer interface.
4225 * genattrtab.h: New file.
4227 * genattrtab.c: Include genattrtab.h.
4228 (attr_printf, check_attr_test, make_internal_attr,
4229 make_numeric_value): Move protypes into genattrtab.h. Define them
4231 (num_dfa_decls): New global variable.
4232 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
4233 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
4234 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
4235 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
4237 * genautomata.c: New file.
4239 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
4241 * sched-int.h: (curr_state): Add the external definition for
4242 automaton pipeline interface.
4243 (haifa_insn_data): Add comments for members blockage and units.
4245 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
4246 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
4247 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
4248 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
4249 TARGET_SCHED_DFA_POST_CYCLE_INSN,
4250 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
4251 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
4253 (TARGET_SCHED): Use the new macros.
4255 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
4256 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
4257 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
4258 dfa_bubble): New members in gcc_target.sched.
4260 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
4261 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
4262 (insn_queue): Redefine it as pointer to array.
4263 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
4265 (max_insn_queue_index_macro_value): New variable.
4266 (curr_state, dfa_state_size, ready_try): New varaibles for
4267 automaton interface.
4268 (ready_element, ready_remove, max_issue): New function prototypes
4269 for automaton interface.
4270 (choose_ready): New function prototype.
4271 (insn_unit, blockage_range): Add comments.
4272 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
4273 FUNCTION_UNITS_SIZE == 0.
4274 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
4275 actual_hazard, potential_hazard): Add comments.
4276 (insn_cost): Use cost -1 as undefined value. Remove
4277 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
4279 (ready_element, ready_remove): New functions for automaton
4281 (schedule_insn): Add new code for automaton pipeline interface.
4282 (queue_to_ready): Add new code for automaton pipeline interface.
4283 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
4284 (debug_ready_list): Print newline when the queue is empty.
4285 (max_issue): New function for automaton pipeline interface.
4286 (choose_ready): New function.
4287 (schedule_block): Add new code for automaton pipeline interface.
4288 Print ready list before scheduling each insn.
4289 (sched_init): Add new code for automaton pipeline interface.
4290 Initiate insn cost by -1.
4291 (sched_finish): Free the current automaton state and finalize
4292 automaton pipeline interface.
4294 * sched-rgn.c: Include target.h.
4295 (init_ready_list, new_ready, debug_dependencies): Add new code for
4296 automaton pipeline interface.
4298 * sched-vis.c: Include target.h.
4299 (get_visual_tbl_length): Add code for automaton interface.
4300 (target_units, print_block_visualization): Add comments.
4302 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
4303 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
4304 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
4305 (getruntime.o, genautomata.o): New entries.
4306 (genattrtab.o): Add new dependency file genattrtab.h.
4307 (genattrtab): Add new dependencies. Link it with `libm.a'.
4308 (getruntime.o, hashtab.o): New entries for canadian cross.
4310 * doc/md.texi: Description of automaton based model.
4312 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
4314 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
4315 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
4316 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
4317 TARGET_SCHED_DFA_POST_CYCLE_INSN,
4318 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
4319 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
4320 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
4322 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
4323 MAX_DFA_ISSUE_RATE): New macro descriptions.
4325 * doc/contrib.texi: Add dfa based scheduler contribution.
4327 * doc/gcc.texi: Add more information about genattrtab.
4329 2001-08-27 Diego Novillo <dnovillo@redhat.com>
4331 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
4334 2001-08-27 Richard Henderson <rth@redhat.com>
4336 * function.c (expand_function_end): Don't init arg_pointer_save_area.
4337 (get_arg_pointer_save_area): New. Create an init it here.
4338 (fix_lexical_addr): Use it.
4339 * function.h: Declare it.
4340 * builtins.c (expand_builtin_setjmp_receiver): Use it.
4341 * stmt.c (expand_nl_goto_receiver): Use it.
4343 2001-08-27 Richard Henderson <rth@redhat.com>
4345 * final.c (final_scan_insn): Don't enter APP_ON mode for
4348 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
4349 alignment for assemble_integer for DW_EH_PE_aligned.
4350 * except.c (output_function_exception_table): Likewise.
4352 2001-08-26 Andreas Jaeger <aj@suse.de>
4354 * c-tree.h: Add prototyp for c_sizeof_nowarn.
4356 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
4358 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
4360 2001-08-27 Alan Modra <amodra@bigpond.net.au>
4362 * config/rs6000/rs6000.c (mask_operand): Rewrite without
4364 (mask64_operand): Likewise.
4365 (rldic_operand): Delete.
4366 (includes_lshift64_p): Delete.
4367 (includes_rldic_lshift_p): New function.
4368 (includes_rldicr_lshift_p): New function.
4369 (print_operand): Don't call rldic_operand in case 'W'.
4370 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
4371 (includes_lshift64_p): Remove.
4372 (includes_rldic_lshift_p): Declare.
4373 (includes_rldicr_lshift_p): Declare.
4374 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
4375 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
4376 Replace match_operand rldic_operand predicate with
4377 const_int_operand. Replace includes_lshift64_p condition with
4378 includes_rldic_lshift_p.
4379 <ashldi3_internal 64 bit rldicr patterns>: New.
4381 2001-08-27 Andreas Jaeger <aj@suse.de>
4383 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
4384 * errors.c: Likewise.
4385 * final.c: Likewise.
4386 * dwarf2asm.c: Likewise.
4387 * doprint.c (checkit): Likewise.
4388 * diagnostic.c: Likewise.
4389 * collect2.c: Likewise.
4390 * calls.c: Likewise.
4391 * c-semantics.c (build_stmt): Likewise.
4392 * c-format.c (status_warning): Likewise.
4393 * c-errors.c (pedwarn_c99): Likewise.
4394 * builtins.c (validate_arglist): Likewise.
4395 * config/pj/pj.c (pj_printf): Likewise.
4396 * fix-header.c: Likewise.
4398 * gcov.c (fnotice): Likewise.
4399 * gensupport.c (message_with_line): Likewise.
4400 * mips-tfile.c: Likewise.
4401 * protoize.c (notice): Likewise.
4402 * read-rtl.c (fatal_with_file_and_line): Likewise.
4403 * rtl-error.c: Likewise.
4404 * tradcpp.c: Likewise.
4406 * cp/tree.c (build_min_nt): Likewise.
4407 (build_min): Likewise.
4408 * cp/lex.c: Likewise.
4409 * cp/errfn.c: Likewise.
4410 * cp/rtti.c (create_pseudo_type_info): Likewise.
4412 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
4414 * df.c (df_uses_record): Return after recording all uses
4417 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
4419 * df.c (df_insn_modify): Realloc the INSN table here, if
4420 necessary, here, too.
4422 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
4424 * config/mips/mips.c (mips_function_value): Handle complex return
4427 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
4429 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
4431 * reload.c (make_memloc): Copy result if it is still
4432 reg_equiv_memory_loc[regno] on return.
4433 (subst_reloads) [ENABLE_CHECKING]: Check that none of
4434 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
4435 reg_equiv_mem are modified by the substitutions.
4437 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4439 * predict.c (expensive_function_p): New.
4440 * rtl.h (expensive_function_p): Declare.
4441 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
4442 (use_fast_prologue_epilogue): New static variable.
4443 (expand_prologue): Set it; emit short prologues if unset.
4444 (expand_epilogue): Likewise.
4446 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
4448 * config.gcc: Add stormy16-*-elf case.
4449 * config/stormy16/stormy-abi: New file.
4450 * config/stormy16/stormy16-lib2.c: New file.
4451 * config/stormy16/stormy16-protos.h: New file.
4452 * config/stormy16/stormy16.c: New file.
4453 * config/stormy16/stormy16.h: New file.
4454 * config/stormy16/stormy16.md: New file.
4455 * config/stormy16/t-stormy16: New file.
4457 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
4459 * i386.h (no-accumulate-outgoing-args): Use proper mask.
4461 2001-08-24 David Edelsohn <edelsohn@gnu.org>
4463 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
4464 descriptor members are pointer size, not constant 4.
4465 * config/rs6000/rs6000.md (define_splits): Remove more unused
4468 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4470 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
4472 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
4474 * cp/rtti.c (VPARAMS): Fix parameter.
4476 2001-08-24 Zack Weinberg <zackw@panix.com>
4478 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
4480 (mode_for_extraction): No need for #ifdefs. Add default-case abort
4482 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
4483 in if controlling use of insv.
4484 (extract_bit_field): Likewise, for extv and extzv.
4486 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
4488 * i386.md (movcc peep2): Fix load of 0.
4490 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4492 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
4493 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
4495 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
4497 * c-pragma.h: Move weak_syms and weak_decls...
4498 * varasm.c: ...here. Now static.
4499 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
4500 depend on HANDLE_PRAGMA_WEAK.
4502 * c-common.c (c_alignof, c_alignof_expr): Move here...
4503 * c-typeck.c: ...from here.
4504 * c-tree.h, c-common.h: Adjust.
4506 2001-08-23 Bernd Schmidt <bernds@redhat.com>
4508 * config/ia64/ia64.c (rws_update): If !pred, set write_count
4509 instead of incrementing it.
4511 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
4512 asm ready, don't try to move them all into the same array element.
4514 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4516 * function.c (thread_prologue_and_epilogue_insns): Avoid
4517 fallthru flag on edge to exit.
4519 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
4521 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
4524 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
4526 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
4527 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
4528 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
4531 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
4533 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
4534 replace "GNU CC" with "GCC".
4536 2001-08-23 Richard Henderson <rth@redhat.com>
4538 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
4539 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
4540 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
4541 Need GR between FR and not GR_AND_FR.
4542 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
4543 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
4544 AR regs before GR regs.
4545 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
4546 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
4547 (REGISTER_MOVE_COST): Update.
4548 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
4550 2001-08-23 Richard Henderson <rth@redhat.com>
4552 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
4555 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
4557 * reload1.c (emit_reload_insns): Don't look for notes
4558 on a NULL store_insn.
4560 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4562 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
4563 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
4564 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
4565 format specifier warnings.
4566 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
4568 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
4570 * config/i386/i386-protos.h: Correct declaration of
4571 i386_pe_asm_named_section.
4573 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
4575 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
4577 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4579 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
4581 * cpperror.c (print_location): Don't show _Pragma.
4582 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
4583 and file change callback generation here.
4584 (stack_include_file): Update use of cpp_push_buffer.
4585 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
4586 (struct cpp_buffer): Remove type, pfile members.
4587 * cppinit.c (cpp_handle_option): Use free_chain.
4588 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
4589 (skip_escaped_newlines, get_effective_char, lex_percent): Take
4590 a cpp_reader rather than a cpp_buffer.
4591 (skip_escaped_newlines, get_effective_char, skip_block_comment,
4592 skip_line_comment, parse_string, lex_percent, lex_dot,
4593 _cpp_lex_token): Update accordingly.
4594 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
4596 (cpp_push_buffer): Update prototype.
4597 (run_directive): Update use of cpp_push_buffer.
4598 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
4599 handle_assertion): Update use of run_directive.
4600 * cpplib.h (enum cpp_buffer_type): Remove.
4601 (cpp_push_buffer): Update prototype.
4602 * fix-header.c (read_scan_file): Update.
4604 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4606 * gcc.c (struct prefix_list): Change prefix to const char *.
4608 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4610 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
4612 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
4614 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
4617 * jump.c (squeeze_notes): Take parms by reference. Handle END being
4620 * ifcvt.c (dead_or_predicable): Adjust.
4621 * loop.c (find_and_verify_loops): Adjust.
4622 * stmt.c (expand_end_case): Adjust.
4623 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
4624 head and end insn pointers in the basic block, not just local copies.
4625 (merge_blocks_move_predecessor_nojumps): Likewise.
4627 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
4629 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
4630 bitmap.h, builtin-types.def, builtins.c, builtins.def,
4631 c-aux-info.c, c-common.c, c-common.def, c-common.h,
4632 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
4633 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
4634 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
4635 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
4636 conditions.h, config.gcc, configure.frag, configure.in,
4637 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
4638 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
4639 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
4640 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
4641 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
4642 emit-rtl.c, errors.c, errors.h, except.c, except.h,
4643 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
4644 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
4645 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
4646 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
4647 gencheck.c, gencodes.c, genconfig.c, genemit.c,
4648 genextract.c, genflags.c, gengenrtl.c, genmultilib,
4649 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
4650 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
4651 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
4652 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
4653 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
4654 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
4655 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
4656 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
4657 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
4658 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
4659 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
4660 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
4661 params.h, predict.c, predict.def, predict.h, prefix.c,
4662 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
4663 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
4664 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
4665 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
4666 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
4667 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
4668 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
4669 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
4670 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
4671 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
4672 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
4673 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
4674 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
4675 xcoffout.h: replace "GNU CC" with "GCC".
4677 2001-08-21 Richard Henderson <rth@redhat.com>
4679 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
4680 (final_scan_insn): Consider jump tables data even if we have no
4681 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
4683 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
4684 (ASM_OUTPUT_CASE_END): Remove.
4685 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
4686 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
4687 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
4689 2001-08-21 Richard Henderson <rth@redhat.com>
4691 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
4692 at barrier insns. Emit stop bits before barriers.
4694 * flow.c (flow_find_cross_jump): Don't consider unconditional
4695 return insns for commoning.
4697 * final.c (compute_alignments): Fix typo.
4699 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
4700 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
4701 (store_bit_field): Use mode_for_extraction more places.
4702 (extract_bit_field): Likewise.
4704 2001-08-21 Zack Weinberg <zackw@panix.com>
4706 * caller-save.c: Don't include insn-codes.h.
4707 (reg_save_code, reg_restore_code): Make arrays of int.
4708 All uses updated to match.
4709 (insert_save, insert_restore): No need to initialize "code"
4710 variable upon declaration.
4711 * Makefile.in: update dependencies; fix typo in clean rule.
4713 2001-08-21 Richard Henderson <rth@redhat.com>
4715 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
4716 (merge_if_block): Handle fallout from same.
4718 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4720 * builtins.c (type_to_class): Fix typo in last change.
4722 2001-08-21 Richard Henderson <rth@redhat.com>
4724 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
4725 ia64_asm_output_label.
4727 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
4728 copy of gp while the real gp register contains garbage.
4730 2001-08-21 Zack Weinberg <zackw@panix.com>
4732 * expmed.c (mode_for_extraction): New function.
4733 (store_bit_field, extract_bit_field): Use it.
4734 * expr.h: Prototype it and provide an enum for its first argument.
4736 * combine.c, function.c, recog.c: Don't include insn-codes.h.
4737 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
4738 and digging through the insn_data tables.
4739 * Makefile.in: Update dependencies.
4741 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
4743 * cppfiles.c (stack_include_file): line-map.c now handles include
4745 (handle_missing_handler): Similarly.
4746 (_cpp_execute_include): Similarly.
4747 (_cpp_pop_file_buffer): Similarly.
4748 * cpphash.h (struct cpp_reader): Remove system_include_depth,
4749 buffer_stack_depth and include_depth.
4750 * cpplib.c (do_include_common): line-map.c now handles include depth.
4751 (cpp_push_buffer): Similarly.
4752 (_cpp_pop_buffer): Similarly.
4753 * cppmacro.c (builtin_macro): Update.
4754 * line-map.c (init_line_maps): Set depth.
4755 (add_line_map): Increment "used" earlier. Update and use the
4757 (trace_include): Use the include depth.
4758 * line-map.h (struct line_maps): New member depth.
4760 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4762 * cppfiles.c (stack_include_file): Don't handle -H here.
4763 * cppinit.c (cpp_start_read): Set include tracing after
4764 cpp_post_options and after stacking the main file.
4765 * line-map.c (trace_include): New.
4766 (init_line_maps, add_line_map): Update.
4767 * line-map.h (struct line_maps): New member trace_includes.
4769 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4771 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
4772 * cppfiles.c (stack_include_file): Only stack a file if there
4773 is something to do. Return a boolean indicating whether a
4774 buffer was stacked or not.
4775 (_cpp_execute_include): Similarly.
4776 (_cpp_read_file): Similarly.
4777 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
4779 2001-08-21 Sam Steingold <sds@gnu.org>
4781 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
4782 (RECACHE): keep obufp_before_macroname up to date
4784 2001-08-21 Zack Weinberg <zackw@panix.com>
4786 * stmt.c: Don't include insn-codes.h.
4787 (expand_end_case): Machine specific logic moved to expr.c.
4788 No need to worry about __builtin_classify_type.
4789 (check_for_full_enumeration_handling, emit_case_nodes):
4792 * builtins.o (expand_builtin_classify_type): Split up so code
4793 can be shared with fold_builtin_classify_type.
4794 (type_to_class, fold_builtin_classify_type): New functions.
4795 (fold_builtins): Handle __builtin_classify_type.
4797 * expr.c (do_tablejump): Now static.
4798 (case_values_threshold, try_casesi, try_tablejump): New;
4799 code mostly from stmt.c (expand_end_case).
4800 (expr.h): Update prototypes.
4802 * Makefile.in (stmt.o): Update dependencies.
4804 2001-08-21 Will Cohen <wcohen@redhat.com>
4806 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
4807 declaration of variable i.
4808 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
4809 declaration of variable i.
4811 2001-08-21 Richard Henderson <rth@redhat.com>
4813 * crtstuff.c: Fix thinko last change. Move list tails to start
4814 of CRT_END section. Tidy ifdefs.
4815 (__EH_FRAME_BEGIN__): Always static for ELF.
4816 (__do_global_ctors_1): Rename from __frame_dummy.
4817 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
4818 name change; don't hide __EH_FRAME_BEGIN__.
4820 2001-08-21 Richard Henderson <rth@redhat.com>
4822 * gdbinit.in: Move break on exit after break on fancy_abort.
4824 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
4827 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4829 * cpphash.h (_cpp_push_next_buffer): New.
4830 * cppinit.c (do_includes): Remove.
4831 (push_include, free_chain, _cpp_push_next_buffer): New.
4832 (cpp_start_read): Use them to rework command line option handling.
4833 (cpp_handle_option): Combine handling of -include and -imacros.
4834 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
4835 appropriate. Always insert missing \n at EOF.
4836 * cpplib.c (start_directive): Get the directive position right.
4837 * cppmain.c (cb_file_change): Always print the first line, unless
4840 2001-08-20 Andreas Jaeger <aj@suse.de>
4842 * profile.c (compute_branch_probabilities): Remove extra new-line
4844 * flow.c (verify_flow_info): Likewise.
4846 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4848 * basic-block.h (basic_block): Add new field 'flags'.
4849 (BB_REACHABLE): Define.
4850 (expunge_block): Declare.
4851 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
4852 (EXIT_BLOCK_PTR): Ditto.
4853 (expunge_block): Remove static declaration.
4854 (cleanup_cfg): Clear bb->aux on every basic block.
4855 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
4856 computing reachability.
4857 (delete_unreachable_blocks): Delete block b if b->flags has
4860 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4862 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
4864 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4866 * sparc.c (sparc_variable_issue): Fix typo in last change.
4868 2001-08-20 Richard Henderson <rth@redhat.com>
4870 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
4872 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
4874 * pa.h (RETURN_IN_MEMORY): Improve comment.
4876 2001-08-20 Janis Johnson <janis187@us.ibm.com>
4878 * doc/invoke.texi (Profiling options): Clarify the interactions
4879 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
4881 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
4883 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
4886 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4888 * gcc.c (make_relative_prefix): Allocate a sufficiently large
4891 2001-08-20 Richard Henderson <rth@redhat.com>
4893 * final.c (end_final): Fix typo last change.
4895 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
4897 * cppinit.c (init_standard_includes): The returned buffer
4898 is already malloc-ed.
4899 * gcc.c (add_prefix): Similarly.
4900 * prefix.c (translate_name): Update to support clear buffer
4902 (update_path): Similarly. Be sure to free any newly allocated
4903 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
4905 * prefix.h (update_path): Update prototype and document.
4906 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
4907 up and update to new buffer ownership rules.
4908 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
4910 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4912 * final.c (compute_alignments): New function.
4913 (init_insn_lengths): Do not care label_align.
4914 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
4915 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
4916 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
4917 (shorted_branches): Realloc label_align array; do
4918 not call init_insn_lengths; Do not care about loop alignments.
4919 * output.h (compute_alignments): Declare.
4920 * toplev.c (rest_of_compilation): Call compute_alignments.
4921 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
4923 * predict.c (block_info_def): Add npredecesors, remove nvisited;
4924 change visited to tovisit.
4925 (propagate_freq): Use faster traversing algorithm.
4926 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
4927 to tovisit; reverse meaning.
4929 * predict.c (struct block_info_def): Remove nvisited.
4930 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4931 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4933 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
4935 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
4936 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
4937 (TARGET_FUSED_MADD): New.
4938 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
4939 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
4940 the multiply-add instructions.
4942 2001-08-19 Richard Henderson <rth@redhat.com>
4944 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
4945 is aligned to pointer size.
4947 2001-08-19 Richard Henderson <rth@redhat.com>
4949 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
4950 display markers during final schedule.
4952 2001-08-19 Richard Henderson <rth@redhat.com>
4954 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
4956 2001-08-19 Richard Henderson <rth@redhat.com>
4958 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
4960 (ASM_NAME_TO_STRING): Remove.
4961 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
4962 in the same string. Remove support for expressions.
4964 2001-08-19 Richard Henderson <rth@redhat.com>
4966 * config/i386/i386.md (tablejump): Make an expander; handle
4967 pic relative addressing here.
4968 (tablejump_1): Rename from tablejump_pic.
4971 2001-08-19 Richard Henderson <rth@redhat.com>
4973 * regclass.c (fix_register): Fix typo.
4975 2001-08-18 Richard Henderson <rth@redhat.com>
4977 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
4978 (struct _Unwind_Context): Expand br_loc to hold it.
4979 (uw_frame_state_for): Handle leaf functions better.
4980 (uw_update_reg_address): Update for br_loc change.
4982 2001-08-18 Richard Henderson <rth@redhat.com>
4984 * crtstuff.c: Move list heads before code that uses them.
4985 (__JCR_LIST__): Remove initial null.
4986 (frame_dummy, __frame_dummy): Do java registration here ...
4987 (__do_global_ctors_aux): ... not here.
4989 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
4990 (__do_global_dtors_aux): Update to match.
4991 (__JCR_LIST__, __do_jv_register_classes): New.
4993 * config/ia64/crtend.asm (__JCR_END__): New.
4994 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
4995 instead of an indirect LTOFF22 reloc.
4997 2001-08-18 Richard Henderson <rth@redhat.com>
4999 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
5000 * regclass.c (init_reg_sets_1): Fix typo.
5001 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
5002 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
5003 (ia64_compute_frame_size): Make ar.unat live when in use.
5004 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
5005 for ar.pfs; remove ar.unat handling.
5006 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
5008 (PREDICATE_CODES): Add ar_pfs_reg_operand.
5009 * config/ia64/ia64-protos.h: Update decls.
5010 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
5011 (sibcall_pic): Likewise.
5013 2001-08-18 Richard Henderson <rth@redhat.com>
5015 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
5016 pred_rel_mutex when searching for insn_group_barrier.
5017 * config/ia64/ia64.md (cycle_display): Combine the expander
5020 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
5021 bit before asm as needed.
5023 2001-08-18 Richard Henderson <rth@redhat.com>
5025 * timevar.def (TV_MACH_DEP): New.
5026 * toplev.c (rest_of_compilation): Use it.
5027 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
5029 2001-08-18 Zack Weinberg <zackw@panix.com>
5031 * unwind-dw2.c (execute_stack_op): Add default aborts to
5032 the inner switches to prevent warnings.
5034 2001-08-18 Richard Henderson <rth@redhat.com>
5036 * timevar.h (struct timevar_time_def): Change element type to float.
5037 (ticks_to_msec, clocks_to_msec): Likewise.
5038 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
5039 (get_time): Likewise.
5040 (timevar_print): Adjust zero check and printing to match.
5042 2001-08-18 Zack Weinberg <zackw@panix.com>
5044 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
5045 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
5046 Eliminate overfull or underfull hboxes.
5048 2001-08-18 Zack Weinberg <zackw@panix.com>
5050 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
5052 2001-08-18 Zack Weinberg <zackw@panix.com>
5054 * haifa-sched.c: Convert to target hooks. Macros replaced
5055 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
5056 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
5057 MD_SCHED_FINISH, and HAVE_cycle_display.
5058 * target-def.h (TARGET_SCHED_ADJUST_COST,
5059 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
5060 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
5061 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
5062 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
5063 New hook #defines to be overridden.
5064 (TARGET_SCHED): Bring them all together.
5065 (TARGET_INITIALIZER): Update.
5066 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
5067 instead of 'struct rtx_def *' throughout.
5068 (struct sched): New set of hooks for the scheduler.
5069 * Makefile.in (haifa-sched.o): Depend on target.h.
5070 * doc/tm.texi: Document the new scheduler hooks, together in
5071 their own section, instead of scattered around.
5072 Fix a bunch of underfull/overfull hboxes.
5074 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
5075 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
5076 sparc.h: Don't define any of the old scheduler macros.
5078 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
5079 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
5080 sparc.c: Create hook functions from code extracted from
5081 corresponding target header, or make existing hooks static, as
5082 appropriate. Set the appropriate entries in targetm.
5084 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
5085 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
5086 rs6000-protos.h, s390-protos.h, sparc-protos.h:
5087 Remove prototypes for functions which are now static.
5089 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
5090 related gunk; the Haifa scheduler is now the only choice.
5092 2001-08-18 Zack Weinberg <zackw@panix.com>
5094 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
5095 * genopinit.c: Put floating point divide insns in sdiv_optab.
5096 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
5097 * config/gofast.h, config/c4x/c4x.h,
5098 config/ia64/hpux_longdouble.h, config/mips/mips.h,
5099 config/pa/long_double.h, config/rs6000/sysv4.h,
5100 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
5101 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
5102 (init_optabs): Use init_optabv for overflow-trapping optabs.
5103 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
5104 cmp_optab RTX codes so have_insn_for can find them.
5106 * optabs.c (expand_simple_binop, expand_simple_unop,
5107 have_insn_for, gen_sub3_insn): New interfaces.
5108 * expr.h: Prototype new functions.
5109 (enum optab_methods): Move here from optabs.h.
5111 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
5112 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
5113 Use new functions instead of working directly with optabs.
5114 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
5115 unroll.c: Don't include optabs.h.
5116 * caller-save.c, combine.c, function.c, stmt.c: Just include
5117 insn-codes.h, not optabs.h.
5118 * Makefile.in: Update dependencies.
5120 * combine.c (make_compound_operation, simplify_comparison):
5121 Fix typos testing for this or that instruction.
5123 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5125 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
5126 generating libgcc.a.
5128 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5130 * except.c (TYPE_HASH): Delete.
5132 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
5135 * tree.c (TYPE_HASH): Delete.
5137 * tree.h (TYPE_HASH): Define.
5139 2001-08-18 Graham Stott <grahams@redhat.com>
5141 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
5143 (adddi3_internal_2+2): Likewise.
5144 (eh_set_lr_di+1): Likewise.
5146 2001-08-17 Richard Henderson <rth@redhat.com>
5148 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5149 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
5150 * dwarf2asm.c: ... here.
5151 * dwarfout.c: Remove them.
5153 * varasm.c (assemble_integer): Add align parameter.
5154 (assemble_real, output_constant, output_constructor): Likewise.
5155 * output.h: Update decls.
5156 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
5157 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
5158 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
5159 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
5160 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
5163 * final.c (end_final): Abort profile block generation if we
5164 havn't layed it out properly.
5165 * output.h (assemble_eh_integer): Remove stale decl.
5166 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
5168 (assemble_integer): Handle unaligned data.
5169 (assemble_real): Abort on unaligned data.
5170 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
5172 (default_dtor_section_asm_out_destructor): Use assemble_align.
5173 (default_named_section_asm_out_constructor): Likewise.
5174 (default_ctor_section_asm_out_constructor): Likewise.
5175 * config/darwin.c (machopic_asm_out_constructor): Likewise.
5176 (machopic_asm_out_destructor): Likewise.
5177 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
5178 (nextstep_asm_out_destructor): Likewise.
5179 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
5180 (vms_asm_out_destructor): Likewise.
5182 2001-08-17 Richard Henderson <rth@redhat.com>
5184 * config/mips/iris6.h (TARGET_IRIX6): New.
5185 (current_section_name, current_section_flags): New.
5186 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
5187 (MAX_OFILE_ALIGNMENT): New.
5188 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
5189 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
5190 (copy_file_data): Split out from
5191 (mips_asm_file_end): ... here.
5192 (mips_asm_file_start): Remove extra .section directive. Use
5193 tmpfile instead of mips_make_temp_file.
5194 (mips_unique_section): Use const char * as needed for warnings.
5195 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
5196 re-add align parameter.
5197 (iris6_asm_named_section): New.
5198 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
5199 (iris6_asm_output_align, iris6_section_align_1): New.
5200 (iris6_asm_file_start, iris6_asm_file_end): New.
5201 * config/mips/mips-protos.h: Update decls.
5203 2001-08-17 Janis Johnson <janis187@us.ibm.com>
5205 * doc/install.texi (Install GCC): Add links to build status pages.
5207 (Final install): Ditto; request updates for specific info
5209 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
5211 * cpperror.c (print_location): Don't take a file name; use the
5213 (_cpp_begin_message): Similarly.
5214 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
5215 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
5216 (cpp_pedwarn_with_file_and_line): Remove.
5217 * cppfiles.c (stack_include_file): Update; set filename to stdin
5218 here when appropriate.
5219 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
5220 (_cpp_begin_message): Don't take a file name.
5221 * cppinit.c: Add comment.
5222 * cpplex.c: Fix end-of-directive indicator.
5223 * cpplib.c: Don't include intl.h.
5224 (run_directive, do_diagnostic): Update.
5225 (do_line): Update to not use nominal_fname.
5226 (cpp_push_buffer): Don't take a filename.
5227 * cpplib.h (struct ht): Remove.
5228 (cpp_push_buffer): Don't take a filename.
5229 (cpp_pedwarn_with_file_and_line): Remove.
5230 * cppmacro.c (struct cpp_macro): Remove file.
5231 (builtin_macro): Update.
5232 (_cpp_create_definition): Update.
5233 * cppmain.c: Correct comment.
5234 * fix-header.c (read_scan_file): Update.
5236 2001-08-17 Kazu Hirata <kazu@hxi.com>
5238 * sbitmap.c: Fix comment formatting.
5239 * sched-deps.c: Likewise.
5240 * sibcall.c: Likewise.
5241 * simplify-rtx.c: Likewise.
5243 * ssa-ccp.c: Likewise.
5244 * stor-layout.c: Likewise.
5245 * timevar.c: Likewise.
5246 * toplev.c: Likewise.
5247 * unwind-dw2.c: Likewise.
5248 * unwind-dw2-fde.c: Likewise.
5249 * varasm.c: Likewise.
5251 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
5253 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
5254 or larger than an integer in memory.
5256 2001-08-17 Zack Weinberg <zackw@panix.com>
5258 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
5259 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
5260 * rtl.h: Don't forward-declare union tree_node here. Don't
5261 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
5262 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
5263 and tree respectively.
5264 * tree.h: Don't forward-declare struct rtx_def here. Don't
5265 typedef tree here. Change all uses of struct rtx_def *,
5266 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
5267 and tree respectively.
5269 2001-08-17 Richard Henderson <rth@redhat.com>
5271 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
5272 config/mips/openbsd.h: Fix typos last change.
5274 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5276 * doc/invoke.texi (Optimize Options): The default for
5277 -finline-limit is 600.
5279 2001-08-17 Richard Henderson <rth@redhat.com>
5281 * varasm.c (text_section): Allow TEXT_SECTION to override the
5282 printing of TEXT_SECTION_ASM_OP.
5283 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
5284 (DATA_SECTION, BSS_SECTION): Remove.
5285 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
5286 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
5287 Rename from s/_NAME//.
5288 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
5289 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
5290 (TEXT_SECTION): ... here. New.
5291 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
5292 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
5293 * config/mips/openbsd.h: Likewise.
5294 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
5295 (mips_asm_file_end): Likewise test.
5296 (mips_output_function_epilogue): Likewise. Switch back to data
5297 section after emitting the function.
5299 * doc/tm.texi (Sections): Document TEXT_SECTION.
5301 2001-08-17 Richard Henderson <rth@redhat.com>
5303 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
5304 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
5306 2001-08-17 Richard Henderson <rth@redhat.com>
5308 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
5309 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
5310 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
5311 Add aligned attribute.
5313 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
5315 * config/sh/sh.md: Add modes to unspecs in first insn to match
5316 those in the second.
5318 * Makefile.in: Fix collect2 copy for Cygwin.
5320 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
5322 Install the proper patch.
5323 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
5324 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
5325 (expand_function_start): Likewise.
5326 * stmt.c (expand_decl): Likewise.
5327 * varasm.c (make_decl_rtx): Likewise.
5329 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5331 * final.c: Undo my previous accidental checkin.
5332 * output.h: Likewise.
5333 * tm.texi: Likewise.
5335 2001-08-16 Richard Henderson <rth@redhat.com>
5337 * varasm.c (named_section_flags): Remove align parameter.
5338 * varasm.c, dwarf2out.c: Update all callers.
5339 * output.h: Update prototypes.
5341 * target.h (target.asm_out.named_section): Remove align parameter.
5342 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
5343 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
5344 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
5345 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
5346 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
5348 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
5349 (get_named_section_flags, set_named_section_flags): New.
5350 (named_section_flags): Use them.
5351 (named_section): Do decl vs section flags check here...
5352 (default_section_type_flags): ... not here.
5353 (init_varasm_once): Create in_named_htab.
5354 (resolve_unique_section): Mark reloc unused.
5356 2001-08-16 Richard Henderson <rth@redhat.com>
5358 * varasm.c (force_const_mem): Keep pool alignment in bits.
5359 (output_constant_pool): Use assemble_align.
5361 2001-08-16 Zack Weinberg <zackw@panix.com>
5363 * doc/tm.texi: Remove extra @table command.
5365 2001-08-16 Zack Weinberg <zackw@panix.com>
5367 * final.c (shorten_branches): Clear the end of the label_align
5368 array only if we made it larger. Break up messy expressions
5371 * diagnostic.c (internal_error): Check for error recursion
5372 before doing ICE suppression.
5374 * timevar.c: Timing variables now count in milliseconds.
5375 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
5376 (get_time): Not here.
5377 (timevar_print): Don't print any timer whose user, cpu, and
5378 wall times are all zero as displayed.
5379 * timevar.h: Update comment aboout units. Make timevar
5382 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5384 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
5385 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
5386 (expand_function_start): Likewise.
5387 * stmt.c (expand_decl): Likewise.
5388 * varasm.c (make_decl_rtx): Likewise.
5390 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
5392 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
5393 (finalize_record_size): Don't set TYPE_USER_ALIGN.
5395 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5397 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
5400 2001-08-16 Andreas Jaeger <aj@suse.de>
5402 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
5405 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
5407 * rtl.h (only_sets_cc0_p): New prototype.
5408 * jump.c (sets_cc0_p): Handle INSN.
5409 (only_sets_cc0_p): New function.
5410 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
5411 (tidy_fallthru_edge): Likewise.
5412 * integrate.c (copy_insn_list): Likewise.
5413 * unroll.c (unroll_loop): Likewise.
5414 (copy_loop_body): Likewise.
5416 2001-08-15 Jason Eckhardt <jle@redhat.com>
5418 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
5420 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5422 * predict.c (struct block_info_def): Remove nvisited.
5423 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
5424 (estimate_bb_frequencies): Call mark_dfs_back_edges.
5426 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
5427 (ix86_adjust_cost): Teach scheduler that latency to load operand can
5430 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
5432 * predict.def: Update hitrates.
5434 2001-08-15 Richard Henderson <rth@redhat.com>
5436 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
5438 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
5440 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
5441 note from its associated jump.
5443 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5445 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
5446 also on 64-bit s390x targets.
5448 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
5450 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
5452 (arm_expand_prologue): Handled nested functions which take a
5453 variable argument list.
5454 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
5455 macro with an invocation of
5456 arm_compute_initial_elimination_offset.
5457 * config/arm/arm-protos.h: Prototype
5458 arm_compute_initial_elimination_offset.
5460 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5462 * doc/install.texi (Specific, avr): Fix markup.
5463 (Specific, c4x): Ditto.
5465 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5467 * predict.c (dump_prediction): Change `bool' parameter to `int'.
5469 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
5471 * Makefile.in (OBJS): Add rtl-error.o
5472 (rtl-error.o): New rule.
5473 (diagnostic.o): Adjust dependency.
5474 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
5475 error_for_asm, _fatal_insn, _fatal_insn_not_found,
5476 warning_for_asm): Move to...
5477 rtl-error.c: ...here. New file.
5479 2001-08-14 Richard Henderson <rth@redhat.com>
5481 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
5482 if USING_SJLJ_EXCEPTIONS.
5484 2001-08-14 Steve Ellcey <sje@cup.hp.com>
5486 * tlink.c (scan_linker_output): Check string for unsatisfied in
5487 addition to undefined and unresolved.
5489 2001-08-14 Graham Stott <grahams@redhat.com>
5491 * libgcc2.c (*): Replace EH_FRAME_SECTION with
5492 EH_FRAME_SECTION_NAME.
5494 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5496 * genattrtab.c (simplify_test_exp_in_temp): New function.
5497 (simplify_test_exp): Avoid explicit use of temporary obstack.
5498 (simplify_cond, insert_right_side, evaluate_eq_attr,
5499 simplify_and_tree, simplify_or_tree, eliminate_known_true):
5500 Use simplify_test_exp_in_temp.
5501 (optimize_attrs): Iterate until expression stabilizes.
5503 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
5505 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
5506 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
5508 2001-08-13 Richard Henderson <rth@redhat.com>
5510 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
5511 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
5512 * config/arm/conix-elf.h: Likewise.
5514 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
5516 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
5518 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
5520 * gcse.c (hash_scan_set): Expressions that are set as part of
5521 jump instructions are not available.
5523 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5525 * config/s390/s390.c (print_operand, s390_function_prologue,
5526 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
5528 2001-08-13 Richard Henderson <rth@redhat.com>
5530 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
5531 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
5532 * doc/tm.texi (Exception Region Output): Document it.
5534 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
5536 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
5537 DWARF2 instead of stabs by default.
5539 2001-08-13 David Edelsohn <edelsohn@gnu.org>
5541 * config/rs6000/rs6000.c: Include optabs.h.
5543 2001-08-13 David Edelsohn <edelsohn@gnu.org>
5545 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
5546 save/restore routines.
5547 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
5549 2001-08-13 Andreas Jaeger <aj@suse.de>
5551 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
5552 the english is correct.
5554 2001-08-13 Zack Weinberg <zackw@panix.com>
5556 * expr.h: Split out optab- and libfunc-related code to...
5557 * optabs.h, libfuncs.h: ... these new headers.
5559 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
5561 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
5563 * mkconfig.sh: Don't include insn-codes.h from config.h.
5565 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
5566 enum insn_code is available. Move reload_in_optab and
5567 reload_out_optab array declarations to optabs.h.
5568 * regmove.c (gen_add3_insn): Move to optabs.c, export from
5569 there, prototype in expr.h.
5570 * gencodes.c: Cleanup: zap global variables, don't use
5571 printf where puts will do, don't bother defining MAX_INSN_CODE
5572 which nothing uses, let CODE_FOR_nothing get its value implicitly.
5574 * genemit.c, genopinit.c: Include optabs.h in generated file.
5575 * genoutput.c: Include insn-codes.h in generated file.
5576 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
5577 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
5578 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
5579 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
5580 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
5581 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
5583 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
5584 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
5585 config/m88k/m88k.c, config/sparc/sparc.c:
5587 * reload.c: Include expr.h and optabs.h before reload.h.
5588 * config/alpha/alpha.c: Include tree.h before reload.h.
5589 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
5590 and reload.h in that order.
5591 * config/sparc/sparc.c: Include debug.h.
5592 * recog.c: Include insn-codes.h.
5594 2001-08-13 Andreas Jaeger <aj@suse.de>
5596 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
5599 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5601 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
5602 * gcc.c (init_spec): Fix typo in comment.
5603 * varasm.c (data_section): Fix typo in comment.
5605 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
5607 * predict.c (dump_prediction): New argument "USED".
5608 (combine_predictions_for_insn): Determine the used heuristics,
5609 output the case no heuristic applied.
5610 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
5612 2001-08-13 Andreas Jaeger <aj@suse.de>
5614 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
5617 2001-08-13 Kazu Hirata <kazu@hxi.com>
5619 * jump.c: Fix formatting.
5621 2001-08-13 Kazu Hirata <kazu@hxi.com>
5623 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
5626 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
5628 * loop.c (check_dbra_loop): Use condjump_label to compute
5631 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
5632 to better document the files they're in.
5634 2001-08-12 Zack Weinberg <zackw@panix.com>
5636 * recog.h (struct insn_operand_data): Shrink 'mode' field
5639 2001-08-12 Kazu Hirata <kazu@hxi.com>
5641 * gcc.c: Fix comment formatting.
5642 * gccspec.c: Likewise.
5645 * genemit.c: Likewise.
5646 * gengenrtl.c: Likewise.
5647 * genrecog.c: Likewise.
5648 * gensupport.c: Likewise.
5649 * ggc-page.c: Likewise.
5650 * global.c: Likewise.
5651 * graph.c: Likewise.
5652 * ifcvt.c: Likewise.
5653 * integrate.c: Likewise.
5655 * libgcc2.c: Likewise.
5657 * mbchar.c: Likewise.
5658 * optabs.c: Likewise.
5659 * predict.c: Likewise.
5660 * prefix.c: Likewise.
5661 * profile.c: Likewise.
5662 * protoize.c: Likewise.
5664 * recog.c: Likewise.
5665 * regclass.c: Likewise.
5666 * regmove.c: Likewise.
5667 * reg-stack.c: Likewise.
5668 * reload1.c: Likewise.
5669 * resource.c: Likewise.
5670 * rtlanal.c: Likewise.
5673 2001-08-12 Kazu Hirata <kazu@hxi.com>
5675 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
5676 a tree representing a constant is passed to the macro.
5678 2001-08-12 Richard Henderson <rth@redhat.com>
5680 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
5681 (rs6000_elf_asm_out_destructor): New.
5682 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
5683 (DTORS_SECTION_ASM_OP): Remove.
5684 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5685 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
5687 2001-08-12 David Edelsohn <edelsohn@gnu.org>
5690 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5691 * gcc.c (set_collect_gcc_options): New function, split out from
5693 Ignore elided switches.
5694 (do_spec_1): Invoke before executing command.
5695 (set_input): Export.
5696 Move declaration ...
5697 * gcc.h (set_input): ... here.
5698 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5701 2001-08-12 Richard Henderson <rth@redhat.com>
5703 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
5704 thinko wrt TARGET_RELOCATABLE.
5706 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
5708 * fix-header.c (cb_file_change): Update prototype.
5710 2001-08-11 Zack Weinberg <zackw@panix.com>
5712 * toplev.c (set_float_handler): Make static.
5713 * toplev.h: Don't prototype set_float_handler.
5715 * simplify-rtx.c: Don't include setjmp.h.
5716 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
5718 (simplify_unary_operation, simplify_binary_operation): Use them,
5719 via do_float_handler.
5721 * fold-const.c: Don't include setjmp.h.
5722 (exact_real_inverse_1): New function.
5723 (exact_real_inverse): Use it, via do_float_handler.
5725 * varasm.c: Don't include setjmp.h.
5726 (assemble_real_1): New function.
5727 (assemble_real): Use it, via do_float_handler.
5728 Call internal_error if we get a trap here.
5730 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
5731 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
5733 2001-08-11 Zack Weinberg <zackw@panix.com>
5735 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
5736 STACK_BOUNDARY if not already defined.
5738 * calls.c, function.c, reload1.c, explow.c: Don't default
5739 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
5740 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
5742 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
5745 * doc/tm.texi: Document that STACK_BOUNDARY is required;
5746 clarify difference between it and PREFERRED_STACK_BOUNDARY.
5748 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5750 * cppmacro.c (enter_macro_context): Push macro expansions even
5753 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5755 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
5756 (rs6000_elf_section_type_flags): Actually return a value.
5758 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
5760 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
5761 Clean up code: add missing comments and prototypes, fix warnings,
5762 remove obsolete code, fix spacing to conform to coding style.
5764 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
5766 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
5767 and TARGET_ASM_CLOSE_PAREN.
5768 (regclass_map): CC register belongs to class NO_REGS.
5769 (legitimize_pic_address): Don't generate unnecessary moves
5770 (to avoid confusing loop optimization).
5771 (check_and_change_labels): Replace jump_long by indirect_jump.
5772 (s390_final_chunkify): Don't start a new literal pool on section
5773 switch in 64-bit code.
5774 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
5776 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
5777 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
5778 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
5780 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
5781 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
5782 (CONST_COSTS): Fixed incorrect costs.
5784 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
5785 Use emit_jump instead of emit_jump_insn (gen_jump).
5786 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
5787 (to avoid confusing flow analysis).
5788 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
5789 (casesi, casesi_jump): New.
5790 (jump_long): Removed. Functionality merged into indirect_jump.
5791 (indirect_jump): Accept address_operand, not just register_operand.
5792 (cjump_long, icjump_long): Use same logic as indirect_jump.
5793 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
5794 Fixed broken setjmp/longjmp handling.
5795 (do_builtin_setjmp_setup): Removed.
5797 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
5798 broken GNU as versions that don't accept .quad with large
5799 negative values. Use hexadecimal output instead.
5800 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
5801 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
5802 FUNCTION_EPILOGUE): Removed. Now in targetm.
5804 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
5806 * config/s390/fixdfdi.h: Add missing copyright statement.
5807 Fix type conflicts on 64-bit. Add missing SFmode routines.
5809 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
5812 2001-08-11 Richard Henderson <rth@redhat.com>
5814 * rtl.h (REG_EH_RETHROW): Remove.
5815 * rtl.c (reg_note_name): Update.
5816 * combine.c (distribute_notes): Don't check for it.
5818 2001-08-11 Richard Henderson <rth@redhat.com>
5820 * combine.c (distribute_notes): Place REG_SETJMP.
5822 2001-08-11 Richard Henderson <rth@redhat.com>
5824 * doc/extend.texi (Arrays and pointers implementation): Discourage
5825 relying on sign-extension of pointers.
5827 2001-08-11 H.J. Lu <hjl@gnu.org>
5829 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
5831 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
5832 RDATA_SECTION_ASM_OP.
5834 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5836 * doc/install.texi (Specific, c4x): Fix cross-reference to the
5837 main manual to work both for info and HTML versions.
5839 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5840 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5842 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
5843 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
5844 (struct cpp_pool): New member first.
5845 * cppinit.c (append_include_chain): Plug memory leaks.
5846 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
5847 Allocate pragma structures from the (aligned) macro pool to
5848 avoid leaking memory.
5849 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
5850 so we don't leak memory.
5851 * hashtable.c (ht_destroy): New.
5852 * hashtable.h (ht_destroy): New.
5854 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5855 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5857 * c-lex.c (map): Make const.
5858 (cb_file_change): Update for callback passing a line map.
5859 Don't assume we have a previous map. Remove sanity check
5860 about popping too many files.
5861 * cpperror.c (print_location): Make map const.
5862 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
5863 (cpp_make_system_header): Similarly.
5864 (search_from): Similarly.
5865 (_cpp_execute_include): Don't remember where we came from.
5866 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
5867 (struct cpp_reader): Make map const.
5868 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
5869 * cpplib.c (do_line): Update; line maps now hold sysp.
5870 (cpp_push_buffer): Similarly.
5871 (_cpp_do_file_change): Similarly; callback with map instead.
5872 (cpp_get_line_maps): Constify return value.
5873 (_cpp_pop_buffer): Update.
5874 * cpplib.h (struct cpp_file_change): Remove.
5875 (struct cpp_callbacks): Update.
5876 (cpp_get_line_maps): Constify return value.
5877 * cppmacro.c (_cpp_create_definition): Update.
5878 * cppmain.c (struct printer): Constify map.
5879 (maybe_print_line): Similarly.
5880 (print_line): Similarly. Deduce flags 1 and 2 here.
5881 (cb_file_change): Update.
5882 * line-map.c (free_line_maps): Warn regardless.
5883 (add_line_map): Return pointer to const. When passed NULL to_file
5884 with LC_LEAVE, use the obvious values for the return point so the
5885 caller doesn't have to figure them out.
5886 (lookup_line): Return pointer to const.
5887 (print_containing_files): Take pointer to const.
5888 * line-map.h (struct line_map): New members reason, sysp.
5889 (add_line_map): Return pointer to const.
5890 (lookup_line): Similarly.
5891 (print_containing_files): Take pointer to const.
5893 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
5894 Richard Henderson <rth@redhat.com>
5896 * regmove.c (regmove_optimize): Avoid setting a register twice in
5899 2001-08-10 Richard Henderson <rth@redhat.com>
5901 * doc/extend.texi (Arrays and pointers implementation): Document
5902 behavior of pointer/integer conversion.
5904 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
5906 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
5908 2001-08-10 Richard Henderson <rth@redhat.com>
5910 * doc/extend.texi (C Implementation): New chapter.
5911 * doc/gcc.texi (Top): Link it in.
5913 2001-08-10 Andrew Cagney <ac131313@redhat.com>
5915 * doc/install.texi (Specific): Fix CVS merge botch.
5917 2001-08-10 Richard Henderson <rth@redhat.com>
5919 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
5920 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
5922 2001-08-10 Zack Weinberg <zackw@stanford.edu>
5924 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
5925 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
5926 this macro is now required.
5928 * cselib.c (cselib_process_insn), flow.c (propagate_block),
5929 loop.c (find_and_verify_loops), reload.c (reload): Check
5930 for rtx code of CALL_INSN, not CALL, when deciding if we
5931 need to check for REG_SETJMP note.
5933 * gcse.c (compute_hash_table, compute_store_table): Update
5934 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
5937 * config/avr/avr.c: Fix typo.
5938 * config/convex/convex.c (expand_movstr): Use adjust_address.
5939 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
5941 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
5942 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
5944 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
5945 Do define STACK_BOUNDARY.
5946 * config/i370/i370.c: Include expr.h.
5947 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
5948 config/pa/som.h, config/v850/v850.h: Take in_ctors and
5949 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
5950 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
5951 * config/m88k/m88k.c: Include c-tree.h after expr.h.
5952 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
5953 * config/romp/romp.c: Include expr.h after tree.h.
5955 (output_fpop): Use xmalloc, not oballoc.
5956 * config/we32k/we32k.c: Include expr.h.
5958 2001-08-10 Kazu Hirata <kazu@hxi.com>
5960 * config/h8300/h8300.h: Fix formatting.
5962 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5964 * c-common.h (RETURN_NULLIFIED_P): Lose.
5965 * c-semantics.c (genrtl_return_stmt): Don't check it.
5967 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5969 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
5970 (mips_annotate_frame_insn): New function.
5971 (mips_emit_frame_related_store): New function.
5972 (save_restore_insns): Don't mark instructions that set up the base
5973 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
5974 the store instructions instead.
5975 (mips_expand_prologue): If the stack size is moved into a temporary
5976 register, do not mark that move as frame-related. Add a
5977 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
5979 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5981 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
5982 stack slot as unchanging if current_function_calls_eh_return.
5984 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5986 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
5987 access the second half of the TFmode scratch operand.
5989 2001-08-10 Anthony Green <green@redhat.com>
5991 * java/class.c (emit_register_classes): Conditionalize code on
5994 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5996 * doc/install.texi (Specific, avr): Fix cross-reference to the
5997 main manual to work both for info and HTML versions.
5999 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
6001 * stmt.c (expand_null_return_1): Remove code to generate simple returns
6002 and "use_goto" argument.
6003 (expand_null_return, expand_value_return): Update all callers.
6004 * function.c (expand_function_end): Remove code to generate simple
6006 * config/vax/vax.md (epilogue): New expander for function return.
6007 * doc/md.texi (epilogue): Remove "if defined".
6009 2001-08-09 Zack Weinberg <zackw@stanford.edu>
6011 * Makefile.in: Partially revert my previous change:
6012 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
6013 of the hashtab.o and safe-ctype.o rules.
6015 2001-08-09 Richard Henderson <rth@redhat.com>
6017 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
6018 (USE_COLLECT2): Remove duplicate definition.
6019 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
6020 (use_collect2): Remove dead code.
6021 * configure.in (use_collect2): Remove will_use_collect2 and
6022 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
6023 * configure: Rebuild.
6025 * target.h (targetm.asm_out.constructor): New.
6026 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
6027 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
6028 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
6029 * varasm.c (in_ctors, in_dtors): New.
6030 (assemble_constructor, assemble_destructor): Remove.
6031 (default_stabs_asm_out_destructor): New.
6032 (default_named_section_asm_out_destructor): New.
6033 (dtors_section, default_dtor_section_asm_out_destructor): New.
6034 (default_stabs_asm_out_constructor): New.
6035 (default_named_section_asm_out_constructor): New.
6036 (ctors_section, default_ctor_section_asm_out_constructor): New.
6037 * output.h: Update declarations.
6038 * c-decl.c (c_expand_body): Use target hooks instead of
6039 assemble_constructor and assemble_destructor.
6040 * profile.c (output_func_start_profiler): Likewise.
6041 * objc/objc-act.c (finish_objc): Likewise.
6042 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
6043 for the constructor.
6044 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
6046 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
6047 (DTORS_SECTION_ASM_OP): Likewise.
6048 (__CTOR_LIST__): Use attribute section when possible.
6049 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
6051 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
6052 ASM_OUTPUT_CONSTRUCTOR.
6054 * config/darwin.c (machopic_asm_out_constructor): New.
6055 (machopic_asm_out_destructor): New.
6056 * config/darwin-protos.h: Update declarations.
6057 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
6058 (ASM_OUTPUT_DESTRUCTOR): Remove.
6059 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
6060 * config/nextstep.c (nextstep_asm_out_constructor): New.
6061 (nextstep_asm_out_destructor): New.
6062 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
6063 (ASM_OUTPUT_DESTRUCTOR): Remove.
6064 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
6065 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
6066 ASM_OUTPUT_*STRUCTOR.
6067 * config/i386/aix386ng.h: Likewise.
6069 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
6070 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
6071 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
6072 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
6073 * config/lynx.h: Likewise.
6074 * config/netware.h: Likewise.
6075 * config/psos.h: Likewise.
6076 * config/alpha/alpha-interix.h: Likewise.
6077 * config/alpha/elf.h: Likewise.
6078 * config/arc/arc.h: Likewise.
6079 * config/arm/aof.h: Likewise.
6080 * config/arm/coff.h: Likewise.
6081 * config/arm/elf.h: Likewise.
6082 * config/c4x/c4x.h: Likewise.
6083 * config/h8300/h8300.h: Likewise.
6084 * config/i386/cygwin.h: Likewise.
6085 * config/i386/djgpp.h: Likewise.
6086 * config/i386/i386-coff.h: Likewise.
6087 * config/i386/i386-interix.h: Likewise.
6088 * config/i386/sco5.h: Likewise.
6089 * config/i386/vsta.h: Likewise.
6090 * config/i386/win32.h: Likewise.
6091 * config/i960/i960-coff.h: Likewise.
6092 * config/ia64/sysv4.h: Likewise.
6093 * config/m68hc11/m68hc11.h: Likewise.
6094 * config/m68k/coff.h: Likewise.
6095 * config/m68k/mot3300.h: Likewise.
6096 * config/m88k/m88k.h: Likewise.
6097 * config/mcore/mcore-pe.h: Likewise.
6098 * config/mcore/mcore.h: Likewise.
6099 * config/mips/elf.h: Likewise.
6100 * config/mips/elf64.h: Likewise.
6101 * config/mips/iris6.h: Likewise.
6102 * config/pa/pa64-hpux.h: Likewise.
6103 * config/rs6000/sysv4.h: Likewise.
6104 * config/sh/sh.h: Likewise.
6105 * config/sparc/litecoff.h: Likewise.
6107 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
6108 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
6109 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
6110 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
6111 (ASM_OUTPUT_DESTRUCTOR): Remove.
6112 * config/a29k/a29k.c: Move include of tree.h.
6113 * config/a29k/udi.h: Delete file.
6114 * config/alpha/alpha.c (vms_asm_out_constructor): New.
6115 (vms_asm_out_destructor): New.
6116 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
6117 (EXTRA_SECTION_FUNCTIONS): Likewise.
6118 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
6119 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
6120 * config/c4x/c4x.c: Move include of tree.h.
6121 * config/clipper/clipper.c (clix_asm_out_constructor): New.
6122 (clix_asm_out_destructor): New.
6123 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
6124 (ASM_OUTPUT_DESTRUCTOR): Remove.
6125 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
6126 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
6127 (TARGET_ASM_CONSTRUCTOR): New.
6128 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
6129 (sco_asm_out_constructor): New.
6130 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
6131 * config/i386/svr3gas.h: Remove stack grows up code.
6132 Remove code duplicated from i386/sysv3.h.
6133 (TARGET_ASM_CONSTRUCTOR): New.
6134 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
6135 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
6136 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
6137 (TARGET_ASM_CONSTRUCTOR): New.
6138 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
6139 (m68hc11_asm_out_destructor): New.
6140 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
6141 (TARGET_ASM_DESTRUCTOR): New.
6142 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
6143 * config/m68k/dpx2.h: Properly undef all the bits inherited from
6144 config/svr3.h pertaining to section manipulation.
6145 * config/m68k/dpx2g.h: Remove #if 0 code.
6146 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
6147 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
6148 (ASM_OUTPUT_CONSTRUCTOR): Remove.
6149 (TARGET_ASM_CONSTRUCTOR): New.
6150 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
6151 (m88k_svr3_asm_out_constructor): New.
6152 (m88k_svr3_asm_out_destructor): New.
6153 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
6154 (ASM_OUTPUT_DESTRUCTOR): Remove.
6155 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
6156 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
6157 * config/rs6000/aix.h: Likewise.
6158 * config/mips/rtems64.h: Don't undef removed constructor related bits.
6159 * config/mips/vxworks.h: Likewise.
6160 * config/rs6000/lynx.h: Likewise.
6161 * config/sh/elf.h: Likewise.
6162 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
6163 (DTORS_SECTION_ASM_OP): New.
6164 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
6165 (ASM_OUTPUT_DESTRUCTOR): Remove.
6166 * config/sparc/sol2-sld-64.h: Likewise.
6167 * config/vax/vax.c (vms_asm_out_constructor): New.
6168 (vms_asm_out_destructor): New.
6169 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
6170 (ASM_OUTPUT_DESTRUCTOR): Remove.
6171 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
6173 * doc/tm.texi (@node Initialization): Update.
6175 2001-08-09 Richard Henderson <rth@redhat.com>
6177 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
6178 (__do_global_dtors_aux): Use gp-relative static data to avoid
6179 one dynamic relocation.
6180 (__do_frame_setup): Register Java classes.
6181 * config/alpha/crtend.asm (__JCR_END__): New.
6183 2001-08-09 Zack Weinberg <zackw@stanford.edu>
6185 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
6186 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
6187 (GEN, STAGESTUFF): Add new files.
6188 (insn-constants.h, s-constants, tm-preds.h, s-preds,
6189 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
6190 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
6191 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
6192 as well as insn-codes.h and insn-flags.h in config.h; and no
6193 extra headers in tconfig.h and hconfig.h.
6195 * gencodes.c: Eliminate code to generate predicate declarations
6196 or #defines for md-file constants.
6197 * genconstants.c, genpreds.c: New files.
6199 * i386.md: Re-order guard expressions such that TARGET_64BIT
6200 comes first, when this permits better optimization. Add
6201 TARGET_64BIT to more x86-64 patterns. Add comment explaining
6202 why this is desirable.
6204 2001-08-09 Jakub Jelinek <jakub@redhat.com>
6206 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
6207 (find_fde_for_dso): Remove.
6208 (_Unwind_IteratePhdrCallback): New.
6209 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
6210 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
6212 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6214 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
6215 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
6217 2001-08-09 Graham Stott <grahams@redhat.com>
6219 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
6220 (vis_no_unit): Use it.
6221 (visualize_no_unit): Add the insn only if room exists.
6223 2001-08-09 Graham Stott <grahams@redhat.com>
6225 * predict.c (estimate_probability): Replace magic numbers with
6226 appropriate enumeration.
6228 2001-08-09 Graham Stott <grahams@redhat.com>
6230 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
6232 (EXTRACT_FLAGS): Likewise.
6234 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
6236 * config/mips/mips.c (mips_legitimate_address_p): Check for
6237 CONST_INT in last patch.
6239 2001-08-08 Anthony Green <green@redhat.com>
6241 * java/class.c (emit_register_classes): Use assemble_jcr if
6242 possible. Keep the original mechanism as a fallback.
6243 * defaults.h (JCR_SECTION_NAME): Define if we have named section
6244 and weak symbol support.
6245 * crtstuff.c (__JCR_LIST__): Define.
6246 (__JCR_END__): Define.
6247 (_Jv_RegiserClasses): Define weak symbol if possible.
6248 (__do_global_ctors_aux): Register classes for ELF targets with
6249 weak symbol support.
6251 2001-08-08 Kazu Hirata <kazu@hxi.com>
6253 * dbxout.c: Fix comment formatting.
6254 * dependence.c: Likewise.
6256 * diagnostic.c: Likewise.
6257 * dominance.c: Likewise.
6258 * doprint.c: Likewise.
6259 * dwarf2out.c: Likewise.
6260 * dwarfout.c: Likewise.
6261 * emit-rtl.c: Likewise.
6262 * except.c: Likewise.
6263 * explow.c: Likewise.
6264 * expmed.c: Likewise.
6267 * fold-const.c: Likewise.
6268 * function.c: Likewise.
6270 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6272 * global.c (retry_global_alloc): Avoid shadowing allocno.
6274 2001-08-08 Mark Mitchell <mark@codesourcery.com>
6276 * except.c (remove_fixup_regions): Fix typo.
6278 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
6280 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
6281 unsigned HOST_WIDE_INT to avoid warning.
6282 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
6283 * flow.c (set_block_for_new_insns): Likewise.
6285 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
6287 * sibcall.c (return_value_pseudo): New static variable.
6288 (skip_copy_to_return_value): Handle return_value_pseudo.
6289 (call_ends_block_p): Ensure that return_value_pseudo is set.
6290 (optimize_sibling_and_tail_recursive_call): Discover the
6291 load of pseudo return value in alternate exit block.
6293 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6295 * calls.c (ECF_ALWAYS_RETURN): New constant.
6296 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
6297 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
6298 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
6299 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
6300 * rtl.c (reg_note_name): New name.
6301 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
6303 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
6305 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
6307 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
6309 * alias.c (get_alias_set): Return a previously calculated
6310 alias set for a VAR_DECL.
6311 * function.c (gen_mem_addressof): Calculate the alias set before
6314 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
6316 * predict.def: Set hitrates according our experimental run.
6318 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
6320 * i386.h (HARD_REGNO_RENAME_OK): New macro.
6322 2001-08-08 H.J. Lu <hjl@gnu.org>
6324 * config/mips/mips.c (mips_unique_section): New. Copied from
6327 * config/mips/mips-protos.h (mips_unique_section): New
6330 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
6332 * config/mips/little.h: New. Generic little endian mips
6333 targets. Only mips*-*-linux* is converted to use it so far.
6335 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
6336 (WCHAR_TYPE): Defined
6337 (WCHAR_TYPE_SIZE): Likewise.
6338 (INIT_SUBTARGET_OPTABS): Likewise.
6339 (BSS_SECTION_ASM_OP): Likewise.
6340 (SBSS_SECTION_ASM_OP): Likewise.
6341 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
6342 (ASM_DECLARE_OBJECT_NAME): Likewise.
6343 (UNIQUE_SECTION): Likewise.
6344 (EXTRA_SECTIONS): Likewise.
6345 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
6346 (ASM_OUTPUT_DESTRUCTOR): Likewise.
6347 (ASM_OUTPUT_DEF): Likewise.
6348 (HANDLE_SYSV_PRAGMA): Removed.
6349 (NO_IMPLICIT_EXTERN_C): Likewise.
6350 (TARGET_MEM_FUNCTIONS): Likewise.
6351 (STARTFILE_SPEC): Likewise.
6352 (ENDFILE_SPEC): Likewise.
6353 (LIB_SPEC): Likewise.
6354 (INVOKE__main): Likewise.
6355 (CTOR_LIST_BEGIN): Likewise.
6356 (CTOR_LIST_END): Likewise.
6357 (DTOR_LIST_BEGIN): Likewise.
6358 (DTOR_LIST_END): Likewise.
6359 (SET_ASM_OP): Likewise.
6360 (ASM_OUTPUT_SOURCE_LINE): Likewise.
6361 (ASM_OUTPUT_DEF): Likewise.
6362 (ASM_OUTPUT_IDENT): Likewise.
6364 * config/mips/mips.h (ASM_SPEC): Undefine before define.
6365 (CPLUSPLUS_CPP_SPEC): Likewise.
6366 (ASM_APP_ON) Redefine only if not defined.
6367 (ASM_APP_OFF): Likewise.
6368 (ASM_OUTPUT_SOURCE_LINE): Likewise.
6369 (ASM_OUTPUT_IDENT): Likewise.
6371 * config.gcc: Update tm_file for Linux/mips.
6373 2001-08-08 Bernd Schmidt <bernds@redhat.com>
6375 * cselib.c (cselib_record_sets): If insn is predicated, turn
6376 sources into IF_THEN_ELSEs.
6378 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
6379 Turn into define_insn_and_split.
6381 * sched-deps.c: Include "cselib.h".
6382 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
6383 Use cselib to turn memory addresses into VALUEs.
6384 (sched_analyze): Call cselib_init/cselib_finish if necessary.
6385 * sched-int.h (struct sched_info): New member USE_CSELIB.
6386 * sched-ebb.c (ebb_sched_info): Initialize it.
6387 * sched-rgn.c (rgn_sched_info): Likewise.
6388 * Makefile.in (sched-deps.o): Update dependencies.
6390 * cselib.h (cselib_subst_to_values): Declare.
6391 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
6392 that have no value and autoincs to be handled by generating a new
6395 2001-08-08 Graham Stott <grahams@redhat.com>
6397 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
6398 within fixed length SEQUENCE.
6400 2001-08-08 Graham Stott <grahams@redhat.com>
6402 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
6403 (diagnostic_prefixing_rule): Likewise.
6404 (diagnostic_line_cutoff): Likewise.
6405 (diagnostic_kind_count): Likewise.
6407 2001-08-08 Graham Stott <grahams@redhat.com>
6409 * alias.c (find_base_decl): Delete redundent assignment.
6411 2001-08-08 Graham Stott <grahams@redhat.com>
6413 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
6414 (abs): Uppercase and paranthesize macro parameter.
6415 (MEM_DEPENDENCY): Add whitespace.
6417 2001-08-08 Graham Stott <grahams@redhat.com>
6419 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
6420 failure check for CONST_INT
6422 2001-08-08 Graham Stott <grahams@redhat.com>
6424 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
6425 (libcall_dead_p): Likewise.
6427 (mark_used_regs): Constify fmt.
6428 (find_use_as_address): Likewise.
6430 2001-08-08 Graham Stott <grahams@redhat.com>
6432 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
6435 2001-08-08 Graham Stott <grahams@redhat.com>
6437 * combine.c (combine_simplify_rtx): Update comment and
6438 remove erroneous test.
6440 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
6442 * cppinit.c (cpp_finish): Pop the final buffer without comment.
6443 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
6444 take care to avoid multiple no-newline at EOF warnings in that
6447 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
6449 * calls.c (expand_call): Do not emit INSN_SETJMP note.
6450 (emit_library_call_value_1): Likewise.
6451 (emit_call_1): Emit REG_SETJMP note.
6452 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
6454 * cselib.c (cselib_process_insn): Likewise.
6455 * flow.c (propagate_block): Likewise.
6456 * loop.c (find_and_verify_loops): Likewise.
6457 * reload.c (find_equiv_regs): Likewise.
6458 * reload1.c (reload): Likewise.
6459 * resource.c (mark_referenced_resources,
6460 mark_set_resources): Likewise.
6461 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
6462 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
6463 * haifa-sched.c (unlink_other_notes): Likewise.
6464 (reemit_notes): Likewise.
6465 * sched-ebb.c (sched_ebb): Likewise.
6466 * sched-rgc.c (sched_region): Likewise.
6467 * rtl.c (note_insn_name): Likewise.
6468 (reg_note_name): Add REG_SETJMP
6469 * rtl.h (reg_note): Add REG_SETJMP.
6470 (insn_note): Remove NOTE_INSN_SETJMP.
6472 * profile.c (branch_prob): Add fake edges for setjmp.
6474 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
6476 * config.gcc: Quote target_cpu_default2 correctly for
6477 powerpc*-*-* targets.
6479 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
6481 * cpplib.h, line-map.h: Update comments.
6482 * cppmain.c (printer_init): Move inline.
6483 (maybe_print_line, print_line): Take a map pointer.
6484 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
6485 (cb_file_change): Don't use prior value of print.map.
6487 2001-08-07 David Edelsohn <edelsohn@gnu.org>
6489 * doc/install.texi: Document fine-grained multilib configuration.
6491 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
6493 * rtlanal.c (find_first_parameter_load): Call note_stores
6494 only on the instructions.
6496 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6498 * alias.c (nonlocal_mentioned_p):
6499 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
6500 * calls.c (emit_call_1): Likewise.
6501 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
6502 * cselib.c (cselib_process_insn): Likewise.
6503 * df.c (df_insns_modify): Likewise.
6504 * flow.c (need_fake_edge_p): Likewise.
6505 (propagate_one_insn): Likewise.
6506 * haifa-sched.c (reemit_notes): Likewise.
6507 * integrate.c (copy_insn_list): Likewise.
6508 * jump.c (delete_prior_computation): Likewise.
6509 * local-alloc.c (validate_equiv_mem): Likewise.
6510 * loop.c (scan_loop): Likewise.
6511 * predict.c (estimate_probability): Likewise.
6512 * reload.c (reload): Likewise.
6513 * sched-deps (sched_analyze): Likewise.
6514 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
6515 * gcse.c (compute_hash_table): Likewise.
6516 (mark_call): Likewise.
6517 (store_killed_in_insn): Likewise.
6519 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
6521 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
6523 2001-08-06 Richard Henderson <rth@redhat.com>
6525 * varasm.c (assemble_gc_entry): Remove.
6526 * output.h: Likewise.
6528 2001-08-06 Richard Henderson <rth@redhat.com>
6530 * varasm.c (assemble_constructor): Take a symbol_ref and a
6531 priority instead of a bare string. Move priority handling
6532 here from cp/decl2.c.
6533 * output.h: Update decls.
6535 * c-decl.c (c_expand_body): Update calls to assemble_constructor
6536 and assemble_destructor.
6537 * profile.c (output_func_start_profiler): Likewise.
6538 * objc/objc-act.c (finish_objc): Likewise.
6539 (build_module_descriptor): Return the symbol not the symbol name.
6541 2001-08-06 David Edelsohn <edelsohn@gnu.org>
6543 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
6544 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
6545 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
6546 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
6547 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
6548 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
6550 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
6552 * cpperror.c (print_containing_files): Moved to line-map.c.
6553 (print_location): line-map.c handles re-listing or otherwise.
6554 * cpphash.h (struct lexer_state): Remove next_bol.
6555 (struct cpp_buffer): Remove include_stack_listed.
6556 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
6557 Remove faked buffer handling.
6558 (_cpp_do_file_change): Tweak.
6559 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
6560 * cppmain.c (struct printer): Remove filename.
6561 (print_line, cb_file_change): Update accordingly.
6562 * line-map.c: Include intl.h.
6563 (init_line_maps): Initialize last_listed.
6564 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
6565 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
6566 (print_containing_files): New.
6567 * line-map.h (struct line_maps): New member last_listed.
6568 (print_containing_files, INCLUDED_FROM): New.
6569 * Makefile.in: Update.
6570 * po/POTFILES.in: Add line-map.c.
6572 2001-08-06 Richard Henderson <rth@redhat.com>
6574 * except.c (convert_from_eh_region_ranges_1): Never mark
6575 USE or CLOBBER insns as throwing.
6577 * expr.c (store_constructor): Don't clobber memory targets.
6579 2001-08-06 Andreas Jaeger <aj@suse.de>
6581 * profile.c (branch_prob): Remove unused variable insn.
6583 * Makefile.in (local-alloc.o): Add dependency on except.h.
6585 * local-alloc.c: Include except.h for can_throw_internal prototype.
6587 2001-08-06 Richard Henderson <rth@redhat.com>
6589 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6590 * function.c (expand_main_function): Implement it.
6591 * doc/tm.texi: Document it.
6593 2001-08-06 Stan Shebs <shebs@apple.com>
6595 * doc/install.texi: Document powerpc-*-darwin* details.
6597 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
6599 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
6600 (ASM_CPU_SPEC): Move back to rs6000.h
6601 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
6603 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
6605 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
6608 * config/rs6000/linux64.h: Ditto.
6610 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
6611 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
6614 Remove accidently readded definitions of FUNCTION_PROLOGUE,
6615 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
6617 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
6620 2001-08-05 Richard Henderson <rth@redhat.com>
6622 * local-alloc.c (update_equiv_regs): Do not move insns that
6625 2001-08-05 Jan Hubicka <jh@suse.cz>
6627 * Makefile.in (reload1.o): Add dedendancy on except.h
6628 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
6630 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
6631 indicating wehther edges has been cleaned up.
6632 * reload1.c: Inlucde except.h
6633 (fixup_abnormal_edges): Accept deleted insns.
6634 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
6637 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
6639 * cpplib.c (do_line): Correct line number after pop_buffer.
6641 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
6643 PR preprocessor/3824
6644 * line-map.c: Update comments.
6645 * line-map.h: Update comments.
6646 * tradcif.y: Don't consider large numbers unsigned.
6648 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
6650 PR preprocessor/3081
6651 * c-lex.c (map): New.
6652 (cb_file_change): Update map and use it.
6653 (cb_def_pragma, cb_define, cb_undef): Use map and line.
6654 (c_lex): Update to use map.
6655 * cpperror.c (print_location): Move to using logical line numbers.
6656 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
6657 (cpp_make_system_header): Similarly.
6658 (_cpp_execute_include): Stop line numbering hacks. Store the
6659 line we will return to.
6660 * cpphash.h (CPP_BUF_LINE): Remove.
6661 (struct cpp_buffer): Remove lineno and pseudo_newlines.
6662 Add map and return_to_line.
6663 (_cpp_do_file_change): Update.
6664 * cppinit.c (cpp_start_read): Update line kludge.
6665 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
6666 (trigraph_ok): Use logical line numbers for diagnostics.
6667 (skip_block_comment): Likewise.
6668 (skip_whitespace): Likewise.
6669 (skip_line_comment): Use pfile->line instead.
6670 (_cpp_lex_token): Update to use logical line numbering exclusively.
6671 Handle BOL locally. Accept new lines in directives, but keep
6672 pfile->line decremented. Diagnostics use logical lines. Update
6674 * cpplib.c (SEEN_EOL): New.
6675 (skip_rest_of_line, check_eol): Use it.
6676 (end_directive): Increase line number when accepting the newline
6677 at the end of a directive.
6678 (run_directive): Simplify.
6679 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
6680 (_cpp_do_file_change): Update to take buffer line number as an
6681 argument, and store the current map in the cpp_reader. Remove
6682 line number kludges.
6683 (_cpp_do__Pragma): Restore output position after a _Pragma.
6684 (cpp_push_buffer): Don't set output line or lineno.
6685 (_cpp_pop_buffer): Transfer more info from a faked buffer.
6686 Remove line kludge. Set output_line.
6687 * cppmacro.c (builtin_macro): Update handling of __LINE__.
6688 (parse_arg): Use logical lines.
6689 (save_lookahead_token): Save EOFs too now.
6690 * cppmain.c (struct printer): Fix comments.
6691 (printer_init): Simplify, let caller do errors.
6692 (scan_translation_unit, check_multiline_token, dump_macro): Update.
6693 (maybe_print_line): Simplify.
6694 (print_line): Don't print a linemarker if -P.
6695 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
6696 (cb_file_change): Simplify.
6697 * line-map.h (LAST_SOURCE_LINE): Fix.
6698 (CURRENT_LINE_MAP): New.
6700 2001-08-05 Bernd Schmidt <bernds@redhat.com>
6702 * doloop.c (doloop_modify_runtime): Properly compute number of
6703 iterations if loop was unrolled.
6705 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
6706 if their CSELIB_VAL_PTRs are.
6708 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
6709 (setup_spill_pointers): Initialize it.
6710 (spill_restore_mem): Set it.
6711 (do_spill, do_restore): Use it to add REG_INC note.
6712 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
6714 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
6715 asms if other insns are available.
6717 * config/ia64/ia64.c (condop_operator): New predicate.
6718 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
6719 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
6722 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
6723 temporary register than directly using a MEM.
6725 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6727 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
6728 parameter in last change.
6730 2001-08-04 Zack Weinberg <zackw@panix.com>
6732 * sparc.md: Don't use #if inside C test expression.
6734 2001-08-04 Richard Henderson <rth@redhat.com>
6736 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
6738 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
6740 * cpphash.h (struct cpp_reader): New member directive_line.
6741 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
6742 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
6743 do_pragma): Pass line to callbacks.
6744 (start_directive): Record line of directive.
6745 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
6746 cb_include): Similarly.
6747 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
6750 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6752 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
6755 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6757 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
6759 * reload1.c (fixup_abnormal_edges): New static function.
6762 * flow.c (need_fake_edge_p): New function.
6763 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
6764 avoid call insn to be very last insn in the insn stream.
6766 * profile.c (branch_prob): Call flow_call_edges_add instead of
6767 doing that by hand; cleanup cfg to re-merge basic blocks once
6770 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6772 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
6773 are also on line-map.h.
6774 * cppfiles.c (stack_include_file): Update.
6775 * cpphash.h (struct cpp_buffer): New member return_at_eof.
6776 (_cpp_pop_buffer): New.
6777 * cppinit.c (cpp_destroy, cpp_finish): Update.
6778 (do_includes): Mark each buffer to return at EOF.
6779 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
6780 return as requested.
6781 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
6782 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
6783 * cpplib.h (cpp_pop_buffer): Remove.
6784 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
6785 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
6787 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
6789 (do_preprocessing): Update.
6790 * fix-header.c (read_scan_file): Update. No need to pop buffers.
6791 * c-parse.in (_yylex): Similarly.
6792 * scan-decls.c (scan_decls): Similarly.
6793 * line-map.h: Update comments.
6795 * objc/Make-lang.in (objc-act.o): Update dependencies.
6797 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6799 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
6800 and soft register for operand 0.
6801 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
6803 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6805 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
6806 register for operand 0.
6807 ("bitcmpqi_z_used"): Allow memory for operand 0.
6808 (split "bitcmpqi"): New split to handle address reg as operand 1.
6810 2001-08-04 Andreas Jaeger <aj@suse.de>
6812 * gcse.c: Revert Daniel's last patch.
6814 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6816 * sparc-protos.h: Add prototypes for fp_zero_operand and
6818 * sh-protos.h: Add prototype for fpul_operand.
6820 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6822 * doc/extend.texi (Other Builtins): Fix typo in last change.
6824 2001-08-03 Richard Henderson <rth@redhat.com>
6826 * target.h (gcc_target): Add asm_out.named_section,
6827 section_type_flags, have_named_sections.
6828 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
6829 (TARGET_HAVE_NAMED_SECTIONS): New.
6830 (TARGET_SECTION_TYPE_FLAGS): New.
6832 * Makefile.in (toplev.o): Depend on TARGET_H.
6833 (varasm.o, dbxout.o): Likewise.
6834 * c-common.c (decl_attributes): Check targetm.have_named_sections
6835 instead of ifdef ASM_OUTPUT_SECTION_NAME.
6836 * dbxout.c (dbxout_function_decl): Likewise.
6837 (dbxout_function_end): Likewise.
6838 * toplev.c (compile_file): Likewise.
6839 * varasm.c (exception_section): Likewise.
6840 * cp/decl2.c (finish_objects): Likewise.
6842 * defaults.h (EH_FRAME_SECTION): Remove.
6843 (EH_FRAME_SECTION_ASM_OP): Remove.
6844 (EH_FRAME_SECTION_NAME): New.
6845 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
6846 (UNIQUE_SECTION_P): Remove.
6847 * dwarf2out.c (SECTION_FORMAT): Remove.
6848 (ASM_OUTPUT_SECTION): Remove.
6849 (output_call_frame_info): Use named_section_flags.
6850 (output_comp_unit, dwarf2out_start_source_file): Likewise.
6851 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
6852 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
6853 * varasm.c (in_eh_frame, eh_frame_section): Remove.
6854 (named_section_flags): New.
6855 (named_section): Use it and targetm.section_type_flags.
6856 (resolve_unique_section): New.
6857 (assemble_start_function): Use it.
6858 (asm_emit_uninitialised, assemble_variable): Likewise.
6859 (default_section_type_flags): New.
6860 (default_no_named_section, default_elf_asm_named_section): New.
6861 (default_coff_asm_named_section, default_pe_asm_named_section): New.
6862 * output.h: Update varasm.c decls.
6863 (SECTION_*): New flags.
6865 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
6866 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
6868 * config/elfos.h (UNIQUE_SECTION_P): Remove.
6869 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
6870 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
6871 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6872 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
6873 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
6874 * config/mips/elf.h, config/mips/elf64.h: Likewise.
6875 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
6876 * config/pa/pa64-hpux.h,
6878 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
6879 (TARGET_ASM_NAMED_SECTION): New.
6880 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
6881 * config/alpha/vms.h, config/arm/coff.h: Likewise.
6882 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
6883 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
6884 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
6885 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
6886 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6887 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
6888 * config/i386/sco5.h, config/i386/win32.h: Likewise.
6889 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
6890 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
6891 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
6892 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
6893 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
6894 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
6895 * config/sparc/sysv4.h: Likewise.
6897 * config/nextstep.h: Error until named sections implemented.
6899 * config/a29k/a29k.c (a29k_asm_named_section): New.
6900 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
6901 (vms_section_type_flags, vms_asm_named_section): New.
6902 * config/arm/arm.c (arm_elf_asm_named_section): New.
6903 * config/avr/avr.c (asm_output_section_name): Remove.
6904 * config/avr/avr-protos.h: Update.
6905 * config/c4x/c4x.c (c4x_asm_named_section): New.
6906 * config/h8300/h8300.c (h8300_asm_named_section): New.
6907 * config/i386/i386.c (sco_asm_named_section): New.
6908 * config/i386/winnt.c (SECTION_PE_SHARED): New.
6909 (i386_pe_section_type_flags): New.
6910 (i386_pe_asm_named_section): New.
6911 * config/i386/i386-protos.h: Update.
6912 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
6913 * config/mcore/mcore.c (mcore_asm_named_section): New.
6914 * config/mips/mips.c (iris6_asm_named_section): New.
6915 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
6916 instead of UNIQUE_SECTION_P.
6917 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
6918 (xcoff_asm_named_section): New.
6919 * config/sh/sh.c (sh_asm_named_section): New.
6920 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
6922 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
6923 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
6924 (EH_FRAME_SECTION_NAME): New.
6925 (EXCEPTION_SECTION): New.
6926 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
6927 (DEBUG_*_SECTION): Remove.
6928 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
6929 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
6930 (EH_FRAME_SECTION_ASM_OP): Remove.
6932 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
6933 (ASM_OUTPUT_SECTION_NAME): Remove.
6934 (TARGET_ASM_NAMED_SECTION): New.
6935 (TARGET_HAVE_NAMED_SECTIONS): New.
6936 (TARGET_SECTION_TYPE_FLAGS): New.
6937 (EH_FRAME_SECTION_ASM_OP): Remove.
6938 (EH_FRAME_SECTION_NAME): New.
6940 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6942 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
6943 for complex expressions when cfun == 0.
6944 * doc/extend.texi: Document that __builtin_constant_p can be
6945 used in data initializers as well as functions.
6947 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
6949 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
6950 variable I locally, instead of expecting a declaration in the
6953 2001-08-03 Richard Henderson <rth@redhat.com>
6955 * except.c (collect_one_action_chain): Add an explicit cleanup
6956 action if regions surrounding a catch were encoded entirely
6957 within the call-site entry.
6959 2001-08-03 Richard Henderson <rth@redhat.com>
6961 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
6962 don't take REGNO of a non-register.
6964 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6966 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
6967 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
6968 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
6969 (__gthread_mutex_init_function): New function for mutex initialization.
6971 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6973 * Makefile.in: Revert screwed up commit.
6975 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6977 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
6978 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
6979 merged by linker script to get a final _exit().
6980 (__do_global_dtors): New for destructor handling in specific exit
6982 (__do_global_ctors): New for constructors in specific install section.
6983 (__map_data_section): Map data sections before running constructors.
6984 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
6985 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
6986 (DTORS_SECTION_ASM_OP): Likewise.
6987 (CTORS_SECTION_FUNCTION): Define to force a reference to
6989 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
6991 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6993 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
6995 * Makefile.in: Add df.h to gcse.c dependencies.
6997 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6999 * varasm.c (output_constant_def_contents): Use for the length of a
7000 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
7001 depending on which is larger.
7003 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
7005 * gcse.c: Include df.h for use as a dataflow analyzer.
7007 Declaration of reg_set_info: gone.
7008 New df_analyzer variable used by store motion.
7009 (reg_set_info): Deleted.
7010 (mark_mem_regs): New function, analyze regs used by a mem.
7011 (store_ops_ok): Use dataflow analyzer results to determine if
7012 necessary regs are changed in the block.
7013 (find_moveable_store): Remove check for symbol ref, we can handle
7014 much more complex expressions now.
7015 (compute_store_table): Remove most of the code, it's unnecessary
7016 now that the dataflow analyzer records the info for us.
7017 (store_killed_after): Add parameter to say whether to do the
7018 store_ops_okay test, used to speed up testing when we already know
7019 the answer, and just want to know if the store itself was killed.
7020 (build_store_vector): Largely rewritten to calculate the various
7021 vectors properly, and somewhat optimized.
7022 (store_motion): Init the df_analyzer, get REG_DEF chains.
7023 Also handle trapping expressions (since mems almost always trap)
7024 (simple_mem): Redefine what a simple mem is.
7026 2001-08-03 DJ Delorie <dj@redhat.com>
7028 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
7029 set from a constant part of the condition.
7031 2001-08-01 Andrew Cagney <ac131313@redhat.com>
7033 * mkdeps.c (deps_add_default_target): Make local variable
7034 ``start'' a const char pointer.
7035 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
7037 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7039 * doc/install.texi (Configuration): Fix markup.
7040 (Specific, i?86-*-udk): Likewise.
7041 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
7043 Document --enable-threads and --enable-libgcj status.
7044 (Specific, mips-sgi-irix*): Canonicalize triples.
7045 (Specific, mips-sgi-irix5): Warn about problems with this config.
7046 Mention required GNU as patch.
7047 Native assembler problems are fixed.
7048 (Specific, mips-sgi-irix6): Update O32 ABI support status.
7049 Document --enable-threads and --enable-libgcj status.
7051 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
7053 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
7056 2001-08-03 Richard Henderson <rth@redhat.com>
7058 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
7061 2001-08-03 Richard Henderson <rth@redhat.com>
7063 * rtlanal.c (find_first_parameter_load): Stop if we
7064 reach a CODE_LABEL at BOUNDARY.
7066 2001-08-03 Richard Henderson <rth@redhat.com>
7068 * config/alpha/alpha.md (force_movdi): New insn.
7069 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
7070 Tweek FRP marking of VMS prologue insns.
7071 * config/alpha/vms.h (EPILOGUE_USES): New.
7073 2001-08-02 Richard Henderson <rth@redhat.com>
7075 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
7077 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
7079 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
7080 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
7081 config/convex/convex.h, config/d30v/d30v.c,
7082 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
7083 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
7084 config/mips/mips.h, config/mn10200/mn10200.h,
7085 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
7086 config/v850/v850.h, config/vax/openbsd.h,
7087 config/vax/openbsd1.h, config/vax/ultrix.h,
7088 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
7089 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
7090 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
7091 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
7092 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
7093 in comments and documentation.
7095 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7099 * Makefile.in (line-map.o): New.
7100 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
7101 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
7102 * cpperror.c (print_containing_files): Similarly.
7103 (print_location): Update. Don't output a space before _Pragma.
7104 * cppfiles.c (stack_include_file): Set to line 1 immediately.
7105 (stack_include_filee, cpp_make_system_header): Update.
7106 (_cpp_execute_include): Get logical line number right for calling
7107 as-yet-unterminated #include.
7108 * cpphash.h (struct cpp_reader): Add line_maps.
7109 (_cpp_do_file_change): Update.
7110 * cppinit.c (cpp_create_reader): Initialize line maps.
7111 (cpp_destroy): Destroy line maps.
7112 (cpp_start_read): Get logical line number right.
7113 * cpplex.c (parse_string): Only warn once for multi-line strings.
7114 Use boolean variable for null warning.
7115 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
7117 (do_include_common): End the directive early.
7118 (do_line): Don't warn about out-of-range lines in preprocessed
7119 source. Update. Remove unused variables.
7120 (_cpp_do_file_change): Update for new line mapping.
7121 (pragma_cb): New typedef.
7122 (cpp_register_pragma): Stop looking ahead before calling the
7124 (do_pragma_system_header): End directive early.
7125 (cpp_get_line_maps): New.
7126 (cpp_pop_buffer): Fudge logical line. Update.
7127 * cpplib.h: Include line-map.h
7128 (enum cpp_fc_reason): Remove.
7129 (struct cpp_file_change): Update.
7130 (cpp_get_line_maps): New.
7131 * cppmain.c (struct_printer): New member map.
7132 (cb_file_change): Update for new mappings.
7133 * fix-header.c (cb_file_change): Similarly.
7135 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
7137 * Makefile.in (libgcc.mk): Define mkinstalldirs.
7138 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
7140 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
7142 * config/vax/vax.c: include expr.h.
7144 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
7146 * Makefile.in ($(srcdir)/configure): Only rebuild in
7148 ($(srcdir)/config.in): Only define in maintainer mode.
7149 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
7151 2001-08-02 David Edelsohn <edelsohn@gnu.org>
7153 * doc/install.texi (Install GCC: Binaries): Update Bull info.
7155 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7157 * gcc.c (set_collect_gcc_options): New function, split out from
7159 Ignore elided switches.
7160 (do_spec_1): Invoke before executing command.
7161 (set_input): Export.
7162 Move declaration ...
7163 * gcc.h (set_input): ... here.
7164 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
7167 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
7170 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
7172 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
7174 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
7176 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
7177 for the unnamed instructions it expands to.
7179 2001-08-02 Richard Henderson <rth@redhat.com>
7181 * regclass.c (call_really_used_regs): Conditionally define.
7182 (init_reg_sets_1): Don't use it if not defined.
7183 (fix_register): Similarly, don't set it.
7185 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7187 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
7188 Correct comment that had been missed in the previous change.
7190 2001-08-01 Stan Shebs <shebs@apple.com>
7192 * config/darwin.c (machopic_stub_name): Try matching by name.
7193 (update_stubs): New function.
7194 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
7197 2001-08-01 Richard Henderson <rth@redhat.com>
7199 * except.c (output_function_exception_table): Use assemble_align.
7200 * varasm.c (assemble_eh_label): Remove.
7201 (assemble_eh_align, assemble_eh_integer): Remove.
7203 2001-08-01 Robert Lipe <robertl@caldera.com>
7205 * dwarfout.c: Remove reference to README.DWARF.
7207 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
7209 * regclass.c (call_really_used_regs): New array for registers which
7210 are actually used by a call.
7211 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
7213 (fix_register): Set call_really_used too.
7214 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
7215 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
7217 2001-08-01 Richard Henderson <rth@redhat.com>
7219 * read-rtl.c (read_name): Consider \r whitespace.
7221 2001-07-11 Andrew Cagney <ac131313@redhat.com>
7223 * config.gcc: Recognize powerpc-*-netbsd*.
7225 * doc/install.texi (Host/target specific installation notes for
7226 GCC): Mention powerpc-*-netbsd*.
7228 * config/rs6000/netbsd.h: New file.
7229 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
7230 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
7231 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
7232 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
7233 (TARGET_VERSION): Redefine.
7235 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
7236 mcall-netbsd as a match for mcall-sysv.
7237 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
7238 (ncrti.S, ncrtn.S): New targets.
7239 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
7241 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
7242 "netbsd' as a V4 ABI.
7243 (ASM_SPEC): Check for -mcall-netbsd.
7244 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
7245 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
7246 (LIB_SPEC, ENDFILE_SPEC): Ditto.
7247 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
7248 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
7249 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
7250 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
7252 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
7253 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
7255 2001-08-01 Mark Kettenis <kettenis@gnu.org>
7257 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
7258 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
7259 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
7260 including "unwind-pe.h".
7262 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7264 * rs6000.md (define_splits): Kill unused constraints.
7266 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
7267 Jan Hubicka <jh@suse.cz>
7269 * function.c (thread_prologue_and_epilogue_insns): Kill code
7270 dealing with non-existent CFG.
7272 2001-08-01 Kazu Hirata <kazu@hxi.com>
7274 * alias.c: Fix comment formatting.
7275 * bitmap.c: Likewise.
7276 * builtins.c: Likewise.
7277 * calls.c: Likewise.
7278 * c-common.c: Likewise.
7279 * c-decl.c: Likewise.
7280 * c-dump.c: Likewise.
7281 * c-lex.c: Likewise.
7282 * collect2.c: Likewise.
7283 * combine.c: Likewise.
7284 * conflict.c: Likewise.
7285 * cppfiles.c: Likewise.
7286 * cppinit.c: Likewise.
7287 * cpplex.c: Likewise.
7288 * cpplib.c: Likewise.
7289 * cppmacro.c: Likewise.
7290 * cppspec.c: Likewise.
7291 * c-pragma.c: Likewise.
7292 * crtstuff.c: Likewise.
7294 * cselib.c: Likewise.
7295 * c-semantics.c: Likewise.
7296 * c-typeck.c: Likewise.
7298 2001-08-01 H.J. Lu <hjl@gnu.org>
7300 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
7302 2001-08-01 H.J. Lu <hjl@gnu.org>
7304 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
7306 2001-08-01 Ziemowit Laski <zlaski@apple.com>
7308 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
7309 contextualizing Objective-C class name lookup by the lexer.
7310 (typespec_reserved_nonattr): Disable ObjC class name lookup after
7312 (protocoldef): Add support for forward @protocol declarations.
7313 (yylexname): Suppress ObjC class name lookup in certain contexts;
7314 re-enable after lookup is complete.
7315 (_yylex): Re-enable ObjC class name lookup when certain
7316 punctuation marks are seen.
7318 * objc/objc-act.c (check_protocol_recursively): New function used
7319 for finding circular dependencies in protocols.
7320 (objc_declare_protocols): New function for handling forward
7321 @protocol declarations.
7322 (receiver_is_class_object): Detect the case when 'self' is used
7323 inside of a class method.
7324 (build_message_expr): Issue a warning if class method is desired
7325 but instance method is found instead.
7326 (conforms_to_protocol): Streamline.
7327 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
7328 protocol Foo, even if 'Bar foo' does not.
7329 (check_protocols): Streamline.
7330 (start_protocol): Add checks for circular and duplicate protocol
7332 (encode_aggregate_within): For typedefs of structs, encode the
7334 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
7335 (objc_declare_protocols): New prototype.
7337 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7339 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
7340 * cpplex.c (handle_newline): Update prototype. Maintain logical
7342 (skip_escaped_newlines, skip_block_comment, parse_string):
7344 (_cpp_lex_token): Update, and store token position within the token.
7345 * cpplib.h (struct cpp_token): Add line and column entries.
7346 * cppmacro.c (replace_args): Position stringified tokens correctly.
7348 2001-08-01 Andreas Jaeger <aj@suse.de>
7350 * basic-block.h: Add prototype for last_loop_beg_note.
7352 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
7354 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
7355 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
7357 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
7358 while handling WITH_CLEANUP_EXPR node. Use second operand calling
7359 expand_decl_cleanup.
7360 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
7362 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
7363 operand while calling simple_cst_equal.
7364 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
7365 operand is the cleanup expression, the third is the RTL_EXPR.
7366 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
7368 2001-07-31 Jeff Sturm <jsturm@one-point.com>
7370 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
7372 2001-07-31 matthew green <mrg@eterna.com.au>
7374 * config.gcc (i386-*-netbsdelf): New description.
7375 * config/i386/netbsd-elf.h: New file.
7377 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
7379 * loop.c (check_dbra_loop): Use single_set to compute
7382 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
7384 PowerPC reorg and support for powerpc64-*-linux*.
7386 Also fixes emitting of constants on 32 bit and 64 bit
7389 * config.gcc: powerpc64-*-linux* is a new target.
7390 Things that needed aix.h now also include xcoff.h
7392 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
7394 Move AIX specific stuff into aix.h.
7395 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
7396 with more than just XCOFF now.
7397 (SET_ASM_OP): Remove, now defined where needed.
7398 (FUNCTION_PROLOGUE): New macro definition.
7399 (FUNCTION_EPILOGUE): New macro definition.
7400 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
7402 * config/rs6000/xcoff.h: New file.
7404 * config/rs6000/linux64.h: New file.
7406 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
7408 2001-07-31 Alan Modra <amodra@bigpond.net.au>
7410 * rs6000.c (print_operand_address): Handle ELF syntax.
7411 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
7412 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
7413 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
7415 2001-07-31 David Edelsohn <edelsohn@gnu.org>
7417 * rs6000.c (rs6000_override_options): Only disable
7418 flag_function_sections for XCOFF.
7419 (exact_log2_cint_operand): New predicate.
7420 (reg_or_{add,sub}_cint64_operand): New predicates.
7421 (add_operand): Compare CONST_INT with fewer function calls.
7422 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
7423 (print_operand, case 'p'): Ensure positive operand.
7424 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
7425 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
7426 (PREDICATE_CODES): Add new predicates.
7427 * rs6000.md (addsi3): Split 32-bit constants more correctly.
7428 (divsi3, modsi3): Ensure positive power-of-2.
7429 (adddi3): Use new predicate. Split 32-bit constants more
7430 correctly. Re-arrange splitter to handle any constant.
7431 (subdi3): Use new predicate.
7432 (divdi3, moddi3): Ensure positive power-of-2.
7433 (movdi): Use rs6000_emit_set_const.
7434 (load_toc_v4_pic_di): Delete.
7436 2001-07-31 Graham Stott <grahams@redhat.com>
7438 * function.c (pad_below): Revert 2001-07-26 patch.
7440 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7442 * reg-stack (convert_regs_1): Fix best edge condition.
7444 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
7446 * jump.c (duplicate_loop_exit_test): Better test for jumps
7447 entering the loop; create loop pre_header.
7449 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
7451 * doc/install.texi: Add s390 and s390x as new targets.
7452 * doc/invoke.texi: Add documantation of S/390 and zSeries
7454 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
7456 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
7458 * config/m68k/m68k.md: Replace all general_operand with
7459 nonimmediate_operand for all destinations.
7460 * config/m68k/m68k.c (not_sp_operand): Likewise.
7462 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
7464 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
7466 2001-07-30 Richard Henderson <rth@redhat.com>
7468 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
7469 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
7471 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
7473 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
7474 Add missing doc strings
7475 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
7476 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
7478 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
7480 * i386.c (ix86_output_main_function_alignment_hack): New function.
7481 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
7483 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
7484 edges by EDGE_DFS_BACK flag.
7485 (dump_edge_info): Add dfs_back flag.
7486 * basic-block.h (EDGE_DFS_BACK): New constant.
7487 (mark_dfs_back_edges): Declare.
7488 * alias.c (loop_p): Remove.
7489 (mark_constant_function): Use mark_dfs_back_edges.
7491 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
7492 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
7493 (compensate_edge): Break out from ...
7494 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
7495 (convert_regs_2): Set block_done once block is really done;
7496 Do updating of the predecesors counts.
7498 * toplev.c (rest_of_compilation): Recompute block_for_insn
7499 before post-reload cfg_cleanup.
7500 * function.c (thread_prologue_epilogue_insns):
7501 Call set_block_for_new_insns when emitting prologue directly.
7503 2001-07-30 Andreas Jaeger <aj@suse.de>
7505 * jump.c: Add prototype for mark_modified_reg.
7507 * cse.c (set_live_p): Add unused attribute.
7509 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
7511 (scan_for_source_files): Use long for count to avoid overflow.
7512 (output_data): Likewise.
7513 (output_data): Don't use string concatatenation to silence gcc
7516 * predict.c: Fix typos and grammar.
7518 * gcse.c (insert_insn_end_bb): Remove unused variables.
7520 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
7522 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
7523 (attempt_auto_inc): LIkewise.
7524 (mark_used_reg): Likewise.
7525 (try_pre_increment_1): Likewise.
7526 * regclass.c (regclass): Likewise.
7527 * global.c (allocno_compare): Update comment; change scaling factor.
7528 * local-alloc.c (QTY_CMP_PRI): Likewise.
7529 * regs.h (REG_FREQ_FROM_BB): New.
7530 (REG_FREQ_MAX): Likewise.
7532 2001-07-30 H.J. Lu <hjl@gnu.org>
7534 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
7537 2001-07-30 H.J. Lu (hjl@gnu.org)
7539 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
7540 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7541 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
7543 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
7545 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
7546 as -mthumb-interwork when -mcpu=arm7 is specified.
7548 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
7550 * predict.def (noreturn, loop branch, loop exit): Mark as first
7553 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
7555 * combine.c (try_combine): Avoid barrier after noop jumps.
7557 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7559 * cpphash.h (struct cpp_reader): Remove import_warning.
7560 * cpplib.c (skip_rest_of_line): Don't bother turning off
7562 (parse_include): Move include handling to...
7563 (do_include_common): ... here. Move import warning from...
7564 (do_import): ... here.
7565 (do_pragma_poison): Don't do a callback for poison identifiers.
7566 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
7567 * cppmain.c (setup_callbacks): Similarly.
7569 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
7571 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
7572 handle multiple sets.
7573 * except.c (sjlj_mark_call_sites): .... here.
7574 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
7576 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
7578 Suggested by Richard Henderson and Richard Kenner:
7579 * combine.c (recog_for_combine): Use the fake recog
7580 only if instruction does not match.
7581 * rtl.h (NOOP_MOVE_INSN_CODE): New.
7582 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
7584 * combine.c (try_combine): Discover noop jump as direct jump.
7586 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
7588 * df.c (df_rd_global_compute): Add successors to worklist, not
7590 (df_ru_global_compute): Ditto.
7592 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
7594 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
7595 increment REG_N_SETS.
7597 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
7599 * sbitmap.h: New prototype for sbitmap_a_xor_b.
7601 * sbitmap.c (sbitmap_a_xor_b): New function.
7602 ifdef the basic block stuff on IN_GCC.
7604 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7606 * cppexp.c (parse_defined): Always record the macro name.
7607 (lex): Don't worry about identifiers, or special-case
7609 (_cpp_parse_expr): Figure out at the end of the routine
7610 whether we saw a valid !defined() expression.
7611 * cppfiles.c (stack_include_file): Update for mi_valid.
7612 (_cpp_pop_file_buffer): Similarly.
7613 * cpplex.c (_cpp_lex_token): Similarly.
7614 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
7615 mi_if_not_defined, mi_lexed): Remove.
7617 * cpplib.c (do_if): Simplify.
7618 (do_endif, push_conditional, _cpp_handle_directive): Update
7619 for renaming of mi_state to mi_valid.
7621 * cpp.texi: Add index entries for digraphs, and add comment
7622 that C++ refers to them as alternative tokens.
7624 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
7626 * basic-block.h (CLEANUP_PRE_LOOP): New.
7627 * except.c (finish_eh_generation): Update call of cleanup_cfg.
7628 * sibcall.c (optimize_sibling_calls): Likewise.
7629 * toplev.c (rest_of_compilation): Likewise.
7630 * flow.c (try_forward_edges): Take argument MODE;
7631 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
7632 (try_optimize_cfg): Update call of try_forward_edges.
7634 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7635 Jan Hubicka <jh@suse.cz>
7637 * (validate_replace_rtx_1): Fix simplification of MINUS.
7639 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
7641 PR preprocessor/3669
7642 * cppinit.c (init_dependency_output): Turn off dump requests
7643 if sending dependencies to stdout.
7645 2001-07-28 Richard Henderson <rth@redhat.com>
7647 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
7650 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
7652 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
7654 2001-07-28 Kazu Hirata <kazu@hxi.com>
7656 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
7657 is VAR_DECL first to prevent an ICE.
7659 2001-07-28 Richard Henderson <rth@redhat.com>
7661 * varasm.c (immed_real_const_1): Don't elide special cases for
7663 (clear_const_double_mem): Clear const_tiny_rtx too.
7665 2001-07-28 Richard Henderson <rth@redhat.com>
7667 * dwarf2out.c (dw_val_class_offset): New.
7668 (struct dw_ranges_struct, dw_ranges_ref): New.
7669 (ranges_table, ranges_table_allocated): New.
7670 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
7671 (add_AT_offset, add_ranges, output_ranges): New.
7672 (print_die, output_die): Handle dw_val_class_offset.
7673 (attr_checksum, size_of_die, value_format): Likewise.
7674 (gen_lexical_block_die): Handle non-contiguous blocks.
7675 (gen_block_die): Likewise.
7676 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
7677 if needed. Dump the ranges table.
7678 * final.c (final_start_function): Remove unnecessary notes and
7679 rebuild the block tree before numbering the blocks.
7680 * function.c (reorder_blocks_0): Walk the existing block tree
7681 to unmark all blocks.
7682 (reorder_blocks_1): Create block fragments when duplicate block
7684 (reorder_fix_fragments): New.
7685 (reorder_blocks): Call it.
7686 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
7688 2001-07-28 Richard Henderson <rth@redhat.com>
7690 * emit-rtl.c (adjust_address): Make a copy of the memory address.
7692 2001-07-28 Richard Henderson <rth@redhat.com>
7694 * flow.c (add_to_mem_set_list): New function.
7695 (init_propagate_block_info): Use it.
7696 (mark_set_1): Likewise.
7697 (insn_dead_p): Canonicalize memory address for dead store
7698 comparison. Allow wider mode stores to kill narrower mode stores.
7699 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
7700 (invalidate_mems_from_set): Don't handle MEMs.
7702 2001-07-28 Kazu Hirata <kazu@hxi.com>
7704 * config/h8300/h8300.h: Fix formatting.
7706 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
7708 * basic-block.h (EDGE_FREQUENCY): New macro.
7709 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
7711 * flow.c (find_sub_basic_blocks): Likewise.
7712 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
7713 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
7715 * predict.c (DEF_PREDICTOR): New argument FLAGS.
7716 (HITRATE): New macro.
7717 (PRED_FLAG_FIRST_MATCH): New constant.
7718 (predictor_info): New field flgags.
7719 (combine_predictions_for_insn): Use DS theory to combine
7720 probabilities; set the edge probabilities when finished.
7721 (estimate_probability): Avoid duplicated matches
7722 of LOOP_BRANCH heuristics for nested loops; update comment.
7723 * predict.def: Add flags for each prediction, set probabilities
7724 according to B&L paper.
7725 * predict.h (DEF_PREDICTOR): New argument FLAGS.
7727 * profile.c (compute_branch_probabilities): Cleanup way the edge
7728 probabilities are computed and REG_BR_PROB notes are dropped; if
7729 values does not match, emit error.
7730 (init_branch_prob): Do error instead of warning when profile driven
7731 feedback is missing or corrupt.
7733 2001-07-27 DJ Delorie <dj@redhat.com>
7735 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
7736 against a constant, try to adjust the compare to have the desired
7737 constant in it so that min/max optimizations happen more often.
7739 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7741 * flow.c (last_loop_beg_note): New function.
7742 (redirect_edge_and_branch): Use it.
7743 (split_edge): Likewise.
7745 * alias.c (loop_p): Avoid uninitialized memory access.
7747 * flow.c (try_forward_edges): Avoid accessing freed memory.
7749 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
7752 2001-07-26 Andrew Haley <aph@redhat.com>
7753 Joern Rennecke <amylaar@redhat.com>
7755 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
7756 (SUBTARGET_CPP_ENDIAN_SPEC): New.
7757 (SUBTARGET_CPP_SPEC): New.
7759 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
7760 (SUBTARGET_CPP_PTR_SPEC): New.
7761 (CPP_DEFAULT_CPU_SPEC): New.
7762 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
7763 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
7764 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
7765 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
7766 (SUBTARGET_CPP_SPEC): Define as an empty string.
7768 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7770 * doc/install.texi (Configuration): Properly link the host
7771 specific instructions also when generating HTML.
7773 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
7775 * flow.c (redirect_edge_and_branch_force): Test
7776 target->global_live_at_start.
7778 2001-07-26 Richard Henderson <rth@redhat.com>
7780 * simplify-rtx.c (avoid_constant_pool_reference): Export.
7781 * rtl.h (avoid_constant_pool_reference): Declare it.
7782 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
7783 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
7785 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
7787 * rtl.h (cleanup_barriers): Declare.
7788 * jump.c (cleanup_barriers): New function.
7789 * toplev.c (rest_of_compilation): Call cleanup_barriers
7790 before loop optimizer and after bb_reorder.
7792 * flow.c (back_edge_of_syntactic_loop_p): New.
7793 (split_edge): Use it.
7795 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7797 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
7799 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
7801 * cse.c (cse_process_notes): Replace any registers if the address
7804 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
7806 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
7807 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
7808 (propagate_block): Update prototype.
7809 * flow.c (update_life_info): Simplify the CFG and
7810 recalculate the global regs which are alive when
7811 removing dead code during a global update.
7812 (propagate_block): Return non-zero if an INSN is
7815 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7817 * Makefile.in (LIBICONV): Define.
7819 2001-07-26 Catherine Moore <clm@redhat.com>
7821 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
7822 of conditional to avoid tree checking errors.
7824 2001-07-26 Kazu Hirata <kazu@hxi.com>
7826 * regmove.c (regmove_optimize): Don't replace a reg with
7827 another reg of a different mode.
7829 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
7831 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
7832 limit length of dependancy flush list.
7833 * params.h (MAX_PENDING_LIST_LENGTH): Define.
7834 * sched-int.h (struct deps): Add pending_flush_length field.
7835 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
7836 has 1 element in it.
7837 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
7838 (sched_analyze): After a jump, if the pending memory flush list is too
7839 large, flush the pending lists.
7840 (init_deps): Initialize pending_flush_length to 0.
7841 * doc/invoke.texi (max_pending_list_length): Document parameter.
7843 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
7845 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
7846 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
7847 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
7849 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7851 * cpphash.h (struct_lexer_state): Delete was_skipping.
7852 Move skipping here from struct cpp_reader.
7853 * cpplex.c (parse_identifier): Update.
7854 (_cpp_lex_token): Don't skip tokens in a directive.
7855 * cpplib.c (struct if_stack): Update.
7856 (start_directive, end_directive): Don't change skipping state.
7857 (_cpp_handle_directive): Update.
7858 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
7859 (do_else, do_endif): Update; only check for excess tokens if not
7860 in a skipped conditional block.
7861 (push_conditional): Update for new struct if_stack.
7863 2001-07-26 Graham Stott <grahams@redhat.com>
7865 * function.c (locate_and_pad_parm): Also pad initial offset
7866 so that the total argument size also includes the padding.
7868 2001-07-26 Graham Stott <grahams@redhat.com>
7870 * gensupport.c (alter_output_for_insn): Correct enable checking failure
7871 change XSTR to XTMPL.
7873 (process_one_cond_exec): Likewise
7875 2001-07-25 Richard Henderson <rth@redhat.com>
7877 * varasm.c (assemble_variable): Create DECL_RTL before setting
7880 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
7882 * predict.c (estimate_probability): Avoid duplicated predictions.
7884 * loop.c (find_and_verify_loops): Grok multiple barriers.
7886 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7888 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
7890 * dbxout.c: Consistently use putc instead of fputc.
7891 (print_wide_int): New function; call instead of direct fprintf.
7892 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
7893 (dbxout_type_fields, dbxout_type_method_1): Likewise.
7894 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
7895 (print_int_cst_octal): Likewise.
7896 (print_octal): Show we wrote characters.
7897 (dbxout_type): Set have_used_extensions in more places.
7899 2001-07-25 Catherine Moore <clm@redhat.com>
7901 * config/v850/v850.c (v850_va_arg): Use addr
7902 instead of valist to build incr.
7904 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
7906 * flow.c (delete_dead_jumptables): New function.
7907 (life_analyzis): Call it.
7908 * bb-reorder.c (skip_insns_after_block): Handle contradictory
7911 2001-07-25 Richard Henderson <rth@redhat.com>
7913 * except.c (reachable_handlers): Handle a region being removed
7914 out from under a RESX.
7916 2001-07-25 Richard Henderson <rth@redhat.com>
7918 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
7919 swap GE/GT if it is an fp comparison.
7921 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
7923 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
7926 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
7928 * ssa.c (rename_insn_1): Do not wrap an assignment to a
7929 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
7932 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
7934 (visit_expression): When attempting to simplify an expression,
7935 retrieve any modes for arguments before they are simplified
7938 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7939 Janis Johnson <janis@us.ibm.com>
7941 * stmt.c (expand_goto): A nonlocal goto can be a call too.
7942 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
7943 pointer parameters to match documented usage of nonlocal_goto.
7944 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
7945 parameters to their correct order.
7946 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
7947 parameters to their correct order.
7949 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7951 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
7953 2001-07-25 Jan Hubicka <jh@suse.cz>
7954 Richard Henderson <rth@redhat.com>
7956 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
7958 (make_edges): New argument update_p; populate the edge cache if set.
7959 (find_basic_blocks): Update make_edges invocation.
7961 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7963 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
7965 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7967 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
7968 -Acpu and -Amachine.h.
7969 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
7970 Corrected header to say ELF not a.out.
7971 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
7972 when given -msoft-float.
7974 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7976 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
7977 extra multilib parts like arm-elf.
7978 (i960-*-coff*, i960-*-rtems): Should not use collect2.
7979 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
7980 crtfini.o as extra multilib parts.
7982 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7984 * configure.in: Add rtems as a supported thread model.
7985 * gthr-rtems.h: Add missing entry point __gthread_active_p.
7986 * configure: Rebuilt.
7988 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
7990 * stor-layout.c (get_mode_alignment): make it work when
7991 BITS_PER_UNIT is not a power of two.
7992 * builtins.c (get_pointer_alignment): Likewise.
7994 2001-07-24 Richard Henderson <rth@redhat.com>
7996 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
7997 the retrieved constant into the expected mode.
7999 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
8001 * flow.c (try_simplify_condjump): Avoid duplicated edges.
8002 (verify_flow_info): Check for duplicated edges; clarify
8005 * flow.c (block_label): Update basic_block_for_insn.
8006 (commit_edge_insertions): Call compute_bb_for_insn.
8008 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
8011 * flow.c (redirect_edge_and_branch,
8012 try_optimize_cfg): Use redirect_edge_succ_nodup
8013 (redirect_edge_succ_nodup): New.
8014 * basic_block.h (redirect_edge_succ_nodup): Declare.
8016 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
8019 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
8021 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
8022 (try_crossjump_to_edge): Update commetns.
8023 (try_crossjump_bb): Likewise.
8025 2001-07-24 Richard Henderson <rth@redhat.com>
8027 * combine.c (distribute_notes): Move set of need_refresh
8028 for noop_move_p down to catch all cases.
8030 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
8032 * recog.c (split_all_insns_noflow): New.
8033 * rtl.h (split_all_insns_noflow): Declare.
8034 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
8035 * m68hc11.c (m68hc11_reorg): Likewise.
8036 * sh.c (machine_dependent_reorg): Likewise.
8037 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
8040 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
8042 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
8043 (ashlsi3_n splitter): Likewise.
8044 (lshrsi3_n splitter): Likewise.
8046 (GOTaddr2picreg): Make const SImode.
8047 (sym_label2reg): Likewise.
8048 (symGOT2reg): Likewise.
8049 (symGOTOFF2reg) Likewise.
8051 (casesi_worker_0): Make unspec SImode.
8053 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
8055 * config/sh/sh.c (barrier_align): Check that an operand really is
8056 an insn before extracting its INSN_CODE.
8058 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
8060 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
8063 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
8064 for SImode to prevent overflow.
8066 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8068 * config/mips/irix6-libc-compat.c: New file.
8069 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
8070 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
8073 2001-07-24 lars brinkhoff <lars@nocrew.org>
8075 * rtl.texi (REG_POINTER): Document.
8076 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
8077 QFmode, HFmode, TQFmode, QCmode, and HCmode.
8079 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
8081 * flow.c (delete_noop_moves): Do not confuse libcall regions.
8083 2001-07-23 Richard Henderson <rth@redhat.com>
8085 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
8087 2001-07-23 Kazu Hirata <kazu@hxi.com>
8089 * config/h8300/h8300-protos.h: Add a prototype for
8090 general_operand_dst_push.
8091 * config/h8300/h8300.c (general_operand_dst_push): New.
8092 * config/h8300/h8300.h (OK_FOR_T): New.
8093 (EXTRA_CONSTRAINT): Use it.
8094 * config/h8300/h8300.md (movqi_push): Remove and integrate into
8095 the existing movqi pattern.
8096 (movhi_push): Likewise.
8098 * reload.c: Fix comment typos.
8100 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
8102 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
8104 2001-07-23 H.J. Lu (hjl@gnu.org)
8106 * doc/extend.texi: Update __builtin_return_address and
8107 __builtin_frame_address.
8109 2001-07-23 Richard Henderson <rth@redhat.com>
8111 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
8113 * config/i386/i386.md: New setcc+movzbl peephole2.
8115 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8117 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
8118 * objc/objc-act.c: Include debug.h.
8119 (synth_module_prologue): Save and restore debug hooks too.
8121 2001-07-23 lars brinkhoff <lars@nocrew.org>
8123 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
8124 and C4X_FLOAT_FORMAT.
8125 (BOOL_TYPE_SIZE): Document.
8127 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
8129 * unroll.c (loop_iterations): Fix miscalculation of initial
8132 2001-07-13 Andrew Haley <aph@redhat.com>
8134 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
8135 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
8136 * config/sh/sh.c (sh_can_redirect_branch): New function.
8137 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
8138 * reorg.c (steal_delay_list_from_target): Use
8139 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
8141 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
8143 * flow.c (try_simplify_condjump): Unlink insn chain on
8144 fallthru edge; use can_fallthru.
8146 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
8148 * basic-block.h (find_sub_basic_block): Declare.
8149 * flow.c (make_edges): New arguments MIN and MAX;
8150 (find_sub_basic_blocks): Revamp to use make_edges
8151 and purge_dead_edges.
8152 (find_basic_blocks): Update call of find_sub_basic_block.
8154 * recog.c (split_all_insns): Always expect CFG to be consistent;
8155 call find_sub_basic_blocks in case something has changed.
8156 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
8159 * basic-block.h (delete_noop_moves): Declare.
8160 * combine.c (combine_instructions): Call it.
8161 (recog_for_combine): Tolerate noop moves
8162 (distribute_notes): Force refresh when register dies at noop move.
8163 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
8165 (life_analysis): Update delete_noop_moves call.
8166 (set_noop_p): Move too ...
8167 * rtlanal.c (noop_move_p): ... here.
8168 * rtl.h (noop_move_p): Declare.
8170 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
8171 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
8173 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
8174 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
8176 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
8178 * reload.c (push_reload): Fix typo in comment.
8179 (find_reloads_address): Ditto.
8180 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
8182 2001-07-22 Richard Henderson <rth@redhat.com>
8184 * flow.c: Grammar check and clarify a lot of comments.
8185 (try_simplify_condjump): Rename variables to be clearer.
8186 (try_forward_edges): Skip complex and fallthru edges.
8187 Rearrange tests to avoid duplicate checks.
8188 (flow_find_cross_jump): Likewise.
8189 (outgoing_edges_match): Allow match if neither branch has
8190 probability data. Loosen probability match to 5%.
8191 (try_crossjump_to_edge): Hoist repeated indirection into
8193 (try_crossjump_bb): Don't check complex edges. Eliminate
8194 redundant crossjump tests.
8195 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
8196 checks before more expensive checks.
8198 2001-07-22 Richard Henderson <rth@redhat.com>
8200 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
8201 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
8204 2001-07-22 Richard Henderson <rth@redhat.com>
8206 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
8207 (const_sint32_operand): Likewise.
8208 * m68k.md (anon mulsi pattern): Use const_int_operand not
8209 const_sint32_operand.
8210 (umulsi3_highpart): Zero extend a constant input.
8211 (smulsi3_highpart): Don't bother checking SImode constant.
8212 (const_umulsi3_highpart): Give op3 DImode.
8213 (const_smulsi3_highpart): Likewise.
8215 2001-07-22 Richard Henderson <rth@redhat.com>
8217 * flow.c (split_block): Make sure bb_note is included in the
8218 new block when splitting before a label.
8220 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
8222 * basic-block.h (redirect_edge_and_branch_force,
8223 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
8224 * flow.c (redirect_edge_and_branch_force,
8225 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
8226 (redirect_edge_and_branch_force): Fix copying of lifeness information.
8227 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
8228 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
8229 instead of label; update CFG after transformation.
8230 (find_if_case_1): Update call, use redirect_edge_and_branch_force
8231 for finishing the transformation; handle even case where ELSE
8232 does not follow THEN.
8233 (find_if_case_2): Update call of dead_or_predictable; simplify
8236 * emit-rtl.c (split_branch_probability): New global variable.
8237 (try_split): Take care to set split_branch_probability and
8238 create REG_BR_PROB note for new jump insns.
8239 * md.texi (define_split): Document new feature.
8241 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
8243 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
8245 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
8246 (asm_out_file): Remove redundant declaration.
8247 (assemble_asm): Remove old #if 0 block.
8248 (assemble_variable): Remove end of function; debug output is
8249 now handled with global_decl. Remove old #if 0 block. Update.
8250 Remove saved_in_section and associated no-op code.
8251 * Makefile.in (varasm.o): Correct dependencies.
8253 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
8255 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8256 the definition in defaults.h.
8258 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
8260 * jump.c: Update comments.
8261 (delete_barrier_successors, delete_unreferenced_labels,
8262 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
8263 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
8264 jump_optimize, jump_optimize_minimal): Kill.
8265 (rebuild_jump_labels): Move code from jump_optimize_1.
8266 (purge_line_number_notes): Likewise.
8267 (copy_loop_headers): Likewise.
8268 * reg-stack.c: Update comment.
8270 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
8271 JUMP_AFTER_REGSCAN): Kill.
8272 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
8273 purge_line_number_notes and copy_loop_headers.
8275 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
8276 Richard Henderson <rth@redhat.com>
8278 * dbxout.c (dbxout_global_decl): New.
8279 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
8280 * sdbout.c (sdbout_finish): New.
8281 (sdbout_debug_hooks): Use it, add comments.
8282 (sdbout_global_decl): Defer initialised public vars to
8284 * varasm.c (assemble_variable): Don't output debug information
8285 for file-scope variables.
8287 2001-07-22 Richard Henderson <rth@redhat.com>
8289 * config/alpha/alpha.c (get_trap_mode_suffix): New.
8290 (get_round_mode_suffix): New.
8291 (print_operand): Use them for [/]. Remove support for [&'`()+].
8292 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
8293 * config/alpha/alpha.md (attr round_suffix): New.
8294 (attr trap_suffix): New.
8295 (all insns): Set them appropriately. Use %/ instead of the
8298 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8300 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
8302 2001-07-22 Richard Henderson <rth@redhat.com>
8304 * regrename.c (regrename_optimize): Compute nregs for each
8305 potential target register.
8307 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
8308 Richard Henderson <rth@redhat.com>
8310 * dbxout.c (dbxout_global_decl): New.
8311 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
8312 * sdbout.c (sdbout_finish): New.
8313 (sdbout_debug_hooks): Use it, add comments.
8314 (sdbout_global_decl): Defer initialised public vars to
8316 * varasm.c (assemble_variable): Don't output debug information
8317 for file-scope variables.
8319 2001-07-21 H.J. Lu (hjl@gnu.org)
8321 * config/mips/mips.c (mips_cpu): Moved into ...
8322 (override_options): Here.
8324 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
8326 (mips_cpu): Removed.
8328 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8330 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
8331 ("iorqi3"): Likewise.
8332 ("xorqi3"): Likewise.
8333 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
8334 ("*subhi3_sp): Likewise.
8335 ("*subhi3"): Likewise.
8336 ("extendhisi2"): Accept D, X and Y as source operand to avoid
8339 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
8341 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
8342 * config/freebsd.h: Likewise.
8343 * config/linux.h: Likewise.
8344 * config/openbsd.h: Likewise.
8345 * config/alpha/linux-elf.h: Likewise.
8346 * config/arm/linux-elf.h: Likewise.
8347 * config/d30v/d30v.h: Likewise.
8348 * config/fr30/fr30.h: Likewise.
8349 * config/ia64/aix.h: Likewise.
8350 * config/ia64/ia64.h: Likewise.
8351 * config/mips/linux.h: Likewise.
8352 * config/pj/pj.h: Likewise.
8353 * config/rs6000/linux.h: Likewise.
8354 * config/sparc/linux.h: Likewise.
8355 * config/sparc/linux64.h: Likewise.
8357 2001-07-20 Bruce Korb <bkorb@gnu.org>
8359 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
8360 because getc() and char* may disagree on signedness.
8362 2001-07-20 Richard Henderson <rth@redhat.com>
8364 * doc/rtl.texi (REG_DEAD): Update for current semantics.
8366 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
8367 insns to delete in the presence of cc0 in a jump insn.
8369 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
8370 Jan Hubicka <jh@suse.cz>
8372 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
8373 of doing the change by hand.
8375 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
8377 * rtlanal.c (set_noop_p): Return true for noop jumps.
8379 * expr.c (emit_single_push_insn): Add call to push expander.
8380 * expr.h (optab_index): Add OTI_push
8381 (push_optab): New constant.
8382 * genopinit.c (optabs): Add push_optab.
8383 * optabs.c (init_optab): Init push optab.
8384 * md.texi (push??1): Document
8386 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8388 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
8389 expand to emit the pattern; put a REG_INC note for push/pop
8391 ("movdf", "movdf_internal"): Likewise.
8392 ("movsi", "movsi_internal"): Likewise.
8393 ("movsf", "movsf_internal"): Likewise.
8394 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
8396 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8398 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
8401 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
8403 * params.def: Change default max inline insns to 100.
8405 2001-07-20 Diego Novillo <dnovillo@redhat.com>
8407 * combine.c (combine_simplify_rtx): Generate a new shift operation
8408 when simplifying the first operand of a (neg (ashift)) expression.
8410 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8412 * regclass.c (N_REG_INTS): Use only 32 bits per element.
8414 2001-07-20 Kelley Cook <kelley.cook@home.com>
8416 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
8417 information. Move rest into ...
8418 (*-*-solaris): ... here. Eliminate redundant information and
8419 reword necessary packages section. Delete 4.x assembler bug info.
8420 (sparc-sun-*): Merge into ...
8421 (sparc-sun-sunos*): here.
8423 2001-07-20 Catherine Moore <clm@redhat.com>
8425 * config/v850/v850.md (casesi): Generate LABEL_REF
8428 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
8430 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
8431 * i386.c (ix86_zero_extend_to_Pmode): Make global.
8432 * i386.md (strclrsi expander): Use it.
8434 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8436 * integrate.c (copy_insn_list): handle
8437 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
8438 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
8439 identically as to CODE_LABEL.
8441 * fold-const (fold): Convert A/B/C to A/(B*C) and
8444 * except.c (connect_post_landing_pads): Delete the RESX insns.
8446 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
8448 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
8450 * config/mips/mips.md (nmadd/nmsub): Use macro.
8452 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
8454 * cppinit.c (remove_dup_dir): Make static.
8455 (remove_dup_dirs): Make static. Only warn about preempting a
8456 system directory with a non-system directory.
8458 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
8460 * ifcvt.c (noce_try_store_flag_constants): Correct order
8461 of parameters to trunc_int_for_mode.
8463 2001-07-19 Mark Mitchell <mark@codesourcery.com>
8465 * reorg.c (fill_simple_delay_slots): If an instruction might throw
8466 an exception that will be caught within this function, do not fill
8467 its delay slot with any subsequent instruction.
8469 2001-07-19 Steve Ellcey <sje@cup.hp.com>
8471 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
8472 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
8473 pointer extension instruction.
8474 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
8475 * simplify-rtx.c (simplify_unary_operation) Likewise.
8476 * explow.c (convert_memory_address) Check value of
8477 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
8479 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
8480 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
8481 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
8482 Add Multilib Support.
8483 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
8484 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
8485 Add Multilib Support.
8486 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
8488 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
8489 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
8490 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
8492 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
8494 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
8495 old and new operands in `<', `3' and `b'.
8497 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
8499 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
8500 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
8501 (toplev.o): Don't depend on xcoffout.h.
8502 * c-decl.c: Include debug.h
8503 (duplicate_decls): Use debug hook.
8504 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
8505 (dbx_debug_hooks, xcoff_debug_hooks): Update.
8506 (dbxout_types): Remove.
8507 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
8508 * debug.c (do_nothing_debug_hooks): Update.
8509 (debug_true_tree, debug_nothing_rtx): New.
8510 * debug.h (struct rtx_def): New.
8511 (struct gcc_debug_hooks): New hooks ignore_block,
8512 outlining_inline_function and label.
8513 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
8514 dwarf2out_frame_finish): New.
8515 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
8516 Make static, update prototype.
8517 (dwarf2_debug_hooks): Update.
8518 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
8519 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
8520 * dwarfout.c (dwarf_debug_hooks): Update.
8521 * emit-rtl.c: Include debug.h.
8522 (remove_unnecessary_notes): Use debug hook.
8523 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
8524 (final_scan_insn): Use debug hook.
8525 * integrate.c (output_inline_function): Use debug hook.
8526 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
8527 (sdb_debug_hooks): Update.
8528 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
8529 * toplev.c: Don't include xcoffout.h.
8530 (note_outlining_of_inline_function, debug_ignore_block): Remove.
8531 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
8533 * tree.h (dwarf2out_do_frame): Remove.
8535 2001-07-19 Catherine Moore <clm@cygnus.com>
8537 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
8539 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
8541 * reload1.c (eliminate_regs_in_insn): When updating a set
8542 to the frame pointer to the hardware frame pointer, perform
8543 the update always not just when REPLACE is set.
8545 * reload1.c (choose_reload_regs): Don't inherit a reload
8546 that crosses multiple registers if registers past the first
8547 don't fit in the desired class.
8549 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
8550 when negating constants.
8552 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
8554 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
8555 * doc/tree.texi: Ditto.
8557 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
8558 Jakub Jelinek <jakub@redhat.com>
8560 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
8561 (extract_cie_info): Handle "eh" augmentation properly,
8563 (struct frame_state, __frame_state_for): New.
8565 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8567 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
8568 HANDLE_SYSV_PRAGMA): Define.
8569 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
8571 (copy_object): Caller changed.
8573 2001-07-19 Andreas Schwab <schwab@suse.de>
8575 * configure.in (assembler dwarf2 debug_line support): Define nop
8577 * configure: Regenerated.
8579 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
8581 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
8583 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
8584 to conditionally compiled block.
8585 (dbx_debug_hooks, xcoff_debug_hooks): Update.
8586 * dbxout.h (dbxout_function): Remove.
8587 * debug.c (do_nothing_debug_hooks): Update.
8588 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
8589 global_decl, deferred_inline_function.
8590 * dwarf2out.c (dwarf2_debug_hooks): Update.
8591 (dwarf2out_global_decl): New.
8592 * dwarfout.c: Don't include dwarfout.h.
8593 (dwarfout_global_decl, dwarfout_function_decl,
8594 dwarfout_deferred_inline_function): New.
8595 (dwarf_debug_hooks): Update.
8596 * dwarfout.h: Remove.
8597 * final.c: Don't include dwarfout.h.
8598 * sdbout.c (sdbout_global_decl): New.
8599 (sdbout_debug_hooks): Update.
8600 * toplev.c: Don't include dwarfout.h.
8601 (check_global_declarations, rest_of_compilation): Use new debug hooks.
8602 (note_deferral_of_defined_inline_function): Remove.
8603 * toplev.h (note_deferral_of_defined_inline_function): Remove.
8604 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
8605 * ch/lex.c: Don't include dwarfout.h.
8606 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
8607 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
8608 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
8609 * cp/optimize.c: Include debug.h.
8610 (maybe_clone_body): Use debug hook.
8611 * cp/semantics.c: Include debug.h.
8612 (expand_body): Use debug hook.
8613 * po/POTFILES.in: Remove dwarfout.h.
8615 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
8617 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
8618 * c-parse.in (yyerror, _yylex): Similarly.
8619 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
8620 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
8622 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
8623 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
8625 2001-07-18 Jeff Sturm <jsturm@one-point.com>
8627 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
8628 in-class declaration at -g1. Fixes c++/2814.
8630 2001-07-18 Richard Henderson <rth@redhat.com>
8632 * doc/md.texi (reload_in/out): Document restrictions in predicates
8633 and constraints for these patterns. Document empty string matching
8636 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8638 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
8640 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8642 * cse.c: Undo my previous patch.
8644 2001-07-18 Tom Tromey <tromey@redhat.com>
8647 * configure: Rebuilt.
8648 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
8650 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
8652 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
8653 Jan Hubicka <jh@suse.cz>
8655 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
8656 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
8657 * jump.c (mark_jump_label): Do not forward branches.
8659 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
8661 * cse.c (delete_trivially_dead_insns): Delete the libcall block
8662 when return value is unused.
8664 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8666 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
8668 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
8670 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
8671 on error. We can't blindly return the result of
8672 pthread_mutex_trylock because it returns a positive number on
8673 error, while we must return -1 on error.
8674 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
8676 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
8678 2001-07-18 Andreas Jaeger <aj@suse.de>
8680 * integrate.c (output_inline_function): Correct type of debug_hooks.
8682 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
8684 * combine.c (combine_simplify_rtx): DIV can be treated
8685 associatively for floats if unsafe math optimisations are enabled.
8687 2001-07-17 Richard Henderson <rth@redhat.com>
8689 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
8691 2001-07-17 Richard Henderson <rth@redhat.com>
8693 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
8694 don't force the function address into a register.
8695 (expand_call, emit_library_call_value_1): Update callers.
8696 * builtins.c (expand_builtin_apply): Likewise.
8697 * expr.h (prepare_call_address): Update decl.
8699 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
8701 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
8703 * config/i386/chorus.h: Move up.
8704 * config/sparc/chorus.h: Likewise.
8705 * config/rs6000/chorus.h: Likewise.
8706 * config/chorus.h: Moved here.
8708 2001-07-17 Andreas Schwab <schwab@suse.de>
8710 * configure.in (assembler eh_frame optimization): Handle big
8712 * configure: Regenerated.
8714 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
8716 * expr.c (epxand_expr): Convert divisions into multiplications by
8717 reciprocals if -ffast-math.
8719 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
8721 * dbxout.c (dbxout_really_begin_function): Rename to
8722 dbxout_begin_function.
8723 (dbx_debug_hooks, xcoff_debug_hooks): Update.
8724 (dbxout_begin_function): Remove.
8725 (dbxout_function): Update.
8726 (dbxout_source_line): Update prototype.
8727 * dbxout.h (dbxout_begin_function): Remove.
8728 * debug.c (do_nothing_debug_hooks): Update.
8729 (debug_nothing_tree): Update.
8730 (debug_nothing_charstar_rtx): Remove.
8731 * debug.h (union tree_node): Declare.
8732 (struct rtx_def): Remove.
8733 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
8734 begin_function. Change source_line prototype.
8735 (debug_nothing_tree): New.
8736 (debug_nothing_charstar_rtx): Delete.
8737 (dwarf2out_begin_prologue): Moved from ...
8739 * dwarf2out.c (dwarf2_debug_hooks): Update.
8740 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
8741 debug info, call dwarf2out_source_line.
8742 (dwarf2out_souce_line): Update prototype.
8743 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
8744 Change prototype, make static.
8745 (dwarfout_source_line): Update prototype.
8746 (dwarf_debug_hooks): Update.
8747 * dwarfout.h (dwarfout_begin_function): Remove.
8748 * final.c (final_start_function, final_scan_insn): Use appropriate
8749 debug hooks, update to use notice_source_line.
8750 (output_source_line): Rename notice_source_line. Don't call the
8751 source_line debug hook.
8752 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
8753 make static, update prototype.
8754 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
8756 (sdbout_end_prologue): New.
8757 (sdbout_source_line): Update prototype.
8758 (sdbout_debug_hooks): Update.
8759 (sdbout_symbol): Remove unused var.
8760 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
8762 * varasm.c: Include debug.h.
8763 (assemble_start_function): Use begin_function debug_hook.
8764 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
8765 update with prototype.
8766 (xcoffout_source_line): Update prototype.
8767 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
8769 (xcoffout_source_line): Update prototype.
8771 2001-07-17 Richard Henderson <rth@redhat.com>
8773 * c-typeck.c (build_binary_op): Do not shorten unsigned
8774 right shift after sign extension.
8776 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
8778 * combine.c (combine_simplify_rtx): Attempt to simplify
8779 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
8781 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
8782 (simplify_binary_operation, simplify_unary_operation,
8783 simplify_relational_operation): Use it.
8785 * combine.c (combine_simplify_rtx): Don't do associative law
8786 on divisions; allow associative law on floats.
8788 2001-07-17 H.J. Lu <hjl@gnu.org>
8789 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8791 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
8792 ASM_OUTPUT_WEAK_ALIAS are defined.
8793 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
8794 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
8796 * config/mips/iris5.h: ... here.
8797 (HANDLE_SYSV_PRAGMA): Defined as 1.
8798 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
8799 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
8802 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
8804 * c-parse.in (all_prefix_attributes): New variable.
8805 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
8806 (maybe_resetattrs): New production.
8807 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
8808 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
8809 notype_initdcl, nested_function, notype_nested_function,
8810 component_decl, components, components_notype,
8811 component_declarator, component_notype_declarator,
8812 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
8813 ivars, mydecl, myparm): Update. Avoid prefix attributes just
8814 after a comma being applied to more than one declarator.
8815 * doc/extend.texi (Attribute Syntax): Update. Remove
8816 documentation of bugs that are no longer present.
8818 2001-07-13 Eric Christopher <echristo@redhat.com>
8820 * config/mips/mips.h: Change TUNE_MIPS* options to use
8822 (EXTRA_SPECS): Add cc1_cpu_spec.
8823 * config/mips/mips.md (muldf3): Fix typo.
8825 2001-07-16 Richard Henderson <rth@redhat.com>
8827 * config/m68k/m68k.c: Include expr.h and reload.h.
8828 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
8829 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
8831 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8832 Richard Henderson <rth@redhat.com>
8834 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
8835 (insn_live_p): Fix fall off end of function.
8836 (dead_libcall_p): Remove COUNTS argument; update callers.
8837 (delete_trivially_dead_insns): Remove unused variables.
8839 2001-07-17 Andreas Jaeger <aj@suse.de>
8841 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
8844 * lcm.c (optimize_mode_switching): Avoid warning for unused
8845 variable if !NORMAL_MODE.
8847 * flow.c (try_crossjump_to_edge): Remove unused variable.
8849 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
8851 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
8852 atexit declaration in stdlib.h.
8854 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
8856 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
8858 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8860 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
8861 * except.c (finish_eh_generation): Update call of cleanup_cfg;
8862 do rebuild_jump_labels instead of jump_optimize
8863 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
8864 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
8865 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
8867 * flow.c: Include timevar.h
8868 (find_basic_block): Push/pop timevar;
8869 (cleanup_cfg): Likewise.
8870 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
8871 * Makefile: Add dependencies on timevar.h
8873 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
8874 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
8876 * rtl.h (delete_trivially_dead_insns): Add new parameter.
8877 * toplev.c (rest_of_compilation): Update calls.
8878 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
8879 (delete_trivially_dead_insns): ... here; accept new argument
8880 preserve_basic_blocks; preserve basic blocks if set.
8882 * reg-stack.c (stack_regs_mentioned): Return 0 if
8883 stack_regs_mentioned_data is not initialized.
8884 (reg_to_stack): Make stack_regs_mentioned survive after the
8885 reg-stack is completted; do not call cleanup_cfg.
8886 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
8887 make cleanup_cfg after bb-reorder to output to debug file.
8889 2001-07-16 Richard Henderson <rth@redhat.com>
8891 * regclass.c (init_reg_sets): Use only 32 bits per initializer
8892 from int_reg_class_contents.
8894 2001-07-16 Richard Henderson <rth@redhat.com>
8896 * hard-reg-set.h (regs_invalidated_by_call): Declare.
8897 * regclass.c (regs_invalidated_by_call): Move from cse.c.
8898 (init_reg_sets_1): Move initialization from cse_main.
8899 * cse.c (regs_invalidated_by_call): Move to regclass.c.
8900 (cse_main): Move its initialization also.
8901 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
8902 * flow.c (propagate_one_insn): Likewise.
8903 * gcse.c (compute_hash_table): Likewise.
8904 (compute_kill_rd, compute_store_table): Likewise.
8905 * sched-deps.c (sched_analyze_1): Likewise.
8907 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
8909 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
8912 2001-07-16 Steve Ellcey <sje@cup.hp.com>
8914 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
8915 in if statement so we don't access undefined memory.
8917 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8919 * gcse.c: Update comment at top.
8920 Update comment on mem handling.
8921 mem_last_set, mem_first_set, mem_set_in_block: gone.
8922 Declaration of reg_set_info: gone.
8923 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
8924 pointless with load_killed_in_block_p (they are *more*
8925 conservative then it, not less, and less accurate).
8926 (oprs_not_set_p): Ditto.
8927 (alloc_gcse_mem): Don't allocate mem_set_in_block
8928 (free_gcse_mem): Don't free it, either.
8929 (record_last_mem_set_info): Update comment in front, remove
8930 mem_*set_* stuff. Note the reason we don't handle stores directly
8932 (compute_hash_table): Update comments to reflect reality. Remove
8933 mem_*set_* references.
8934 (reset_opr_set_tables): Remove mem_*set_* references.
8936 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
8937 (mark_clobber): Ditto (on both parts, we double set here too).
8938 (expr_killed_p): Remove mem_set_in_block test.
8939 (compute_transp): Remove mem_set_in_block test.
8941 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
8942 of edge, and removal of phi alternative to dump file.
8943 (ssa_ccp_substitute_constants): Add note about register now being
8944 constant, and which uses were replaced in what insns to dump file.
8946 2001-07-16 Andreas Jaeger <aj@suse.de>
8948 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
8949 variables of type HOST_WIDEST_INT.
8951 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
8952 (__bb_exit_func): Correct type of count_max to avoid overflow.
8953 (num_digits): Handle long long argument.
8955 * combine.c (gen_lowpart_for_combine): Remove unused variable.
8957 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8959 * output.h (sdb_begin_function_line): Restore as an extern
8961 * sdbout.c (sdb_begin_function_line): Make extern.
8963 2001-07-15 Richard Henderson <rth@redhat.com>
8965 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
8966 * genrecog.c (maybe_both_true_mode): New.
8967 (maybe_both_true_2): Use it.
8968 (write_switch): Don't put Pmode in a switch.
8969 * rtl.c (mode arrays): Don't explicitly size them.
8971 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8973 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
8974 handling; move unconditional splitting before mode switching.
8976 * i386.md (type): Add fistp type.
8977 (i387, length_attr, scheduling definitions): Handle this type.
8978 (fix_trunc?f?i2): Revamp to use mode switching.
8979 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
8980 * i386.h (fp_cw_mode): New enum
8981 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
8982 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
8984 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8986 * Makefile.in (integrate.o): Add debug.h.
8987 * integrate.c (debug.h): Add.
8988 (output_inline_function): Save, reset, and restore debug_hooks.
8990 2001-07-15 Richard Henderson <rth@redhat.com>
8992 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
8993 instead of COMPARE for the EQUIV expression.
8995 2001-07-15 Richard Henderson <rth@redhat.com>
8997 * flow.c (redirect_edge_and_branch_force): Initialize
8998 global_live_at_start and global_live_at_end.
8999 (allocate_bb_life_data): Export.
9000 * basic-block.h (allocate_bb_life_data): Declare.
9001 * toplev.c (rest_of_compilation): Call it.
9003 2001-07-15 Richard Henderson <rth@redhat.com>
9005 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
9006 (alpha_tablejump_best_label): New.
9007 * config/alpha/alpha-protos.h: Declare them.
9008 * config/alpha/alpha.md: Use braced strings for code blocks.
9009 (tablejump_osf): Break out add with r29.
9010 (tablejump_osf_internal): Remove.
9011 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
9012 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
9014 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
9016 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
9019 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
9021 * i386-protos.h (ix86_split_fp_branch): Update prototype.
9022 (ix86_fp_jump_nontrivial_p): New.
9023 * i386.md (fp_jcc_?): Update call of split_fp_branch;
9024 use ix86_fp_jump_nontrivial_p.
9025 * i386.c (ix86_fp_jump_nontrivial_p): New.
9026 (ix86_split_fp_branch): Accept code instead of rtx.
9027 (ix86_expand_compare): Expand comparison early in case
9028 doing so is resonably cheap.
9030 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
9032 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
9034 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
9035 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
9037 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
9039 * dbxout.c (dbxout_source_line): Make static, update prototype.
9040 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
9041 (dbxout_init, dbxout_finish, dbxout_source_line,
9042 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
9043 * dbxout.h (dbxout_source_line): Delete.
9044 * debug.c (debug_nothing_file, debug_nothing_file_int,
9045 debug_nothing_file_charstar_rtx): New.
9046 (do_nothing_debug_hooks): Update.
9047 (debug_nothing_void, debug_nothing_charstar_rtx,
9048 dwarf2out_end_epilogue): New.
9049 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
9050 * debug.h (struct rtx_def): Declare.
9051 (gcc_debug_hooks): New hooks source_line, end_epilogue
9053 (debug_nothing_void, debug_nothing_charstar_rtx,
9054 dwarf2out_end_epilogue): New.
9055 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
9056 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
9057 (dwarf2_debug_hooks): Update.
9058 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
9059 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
9060 * dwarf2out.h (dwarf2out_source_line): Remove.
9061 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
9062 Make static, update prototype.
9063 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
9064 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
9065 (dwarf_debug_hooks): Update.
9066 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
9067 dwarfout_end_function): Remove.
9068 * final.c (profile_function): Use debug hooks for ending functions
9070 (output_source_line, final_end_function): Update prototype,
9072 (final_start_function, final_scan_insn): Update.
9073 * output.h (sdb_begin_function_line): Remove.
9074 (final_end_function): Update prototype.
9075 * sdbout.c (sdb_begin_function_line): Make static.
9076 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
9077 (sdbout_source_line): New.
9078 (sdbout_end_epilogue, sdbout_end_function): Make static, update
9080 (sdb_debug_hooks): Update.
9081 (sdbout_init, sdbout_source_line,
9082 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
9083 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
9084 * toplev.c (compile_file, rest_of_compilation): Update.
9085 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
9086 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
9087 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
9088 Update for prototype changes.
9089 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
9090 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
9092 2001-07-15 Richard Henderson <rth@redhat.com>
9094 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
9095 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
9096 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
9097 * config/alpha/alpha.c: Likewise.
9098 * config/alpha/alpha.md: Likewise.
9099 * config/alpha/alpha32.h: Likewise.
9100 * config/alpha/vms.h: Likewise.
9103 2001-07-14 Richard Henderson <rth@redhat.com>
9105 * config/alpha/alpha.md: Use define_constants for unspec values.
9106 Substitute throughout.
9108 2001-07-14 Tim Josling <tej@melbpc.org.au>
9110 * tree.def (EXPON_EXPR) remove. Never supported anyway.
9112 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
9114 * pa.md: Remove unused constraints from define_split's.
9116 2001-04-14 Richard Henderson <rth@redhat.com>
9118 * ifcvt.c (find_cond_trap): Test for exit block.
9120 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
9122 Re-install recently reverted patch.
9123 * emit-rtl.c (try_split): Update mark_jump_label call.
9124 * flow.c (find_sub_basic_blocks): Likewise.
9125 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
9127 (mark_all_labels): Kill second parameter.
9128 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
9129 (rebuild_jump_labels, jump_optimize_minimal): Update call
9131 (jump_optimize_1): Kill crossjumping code.
9132 (mark_jump_label): Kill cross_jump parameter.
9133 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
9134 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
9135 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
9137 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
9139 (dump_file_info): Likewise.
9140 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
9141 reorganize passes to do reg-stack first, bb-reorder second.
9142 * invoke.texi (-d letters doc): Remove the jump2 pass.
9144 2001-07-14 Richard Henderson <rth@redhat.com>
9146 * ifcvt.c (find_cond_trap): New.
9147 (find_if_header): Call it.
9148 (merge_if_block): Relax existing jump sanity check.
9149 * jump.c (jump_optimize_1): Remove conditional trap handling.
9151 2001-07-14 Alan Modra <amodra@bigpond.net.au>
9153 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
9155 (insn_refs_are_delayed): Correct comment.
9156 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
9157 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
9158 instead of r31. Make associated insn !TARGET_64BIT, and
9159 provide an additional 64-bit insn that clobbers r2.
9161 (udivsi3): Likewise.
9163 (umodsi3): Likewise.
9165 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
9167 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
9169 * flow.c (redirect_edge_and_branch_force, split_edge,
9170 try_crossjump_to_edge): Use set_block_for_new_insns.
9171 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
9173 2001-07-13 H.J. Lu (hjl@gnu.org)
9175 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
9178 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
9180 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
9182 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
9184 * c-common.c (decl_attributes): Take a pointer to the node to
9185 which attributes are to be attached, and a flags argument.
9186 * c-common.h (enum attribute_flags): New.
9187 (decl_attributes): Update prototype.
9188 * c-decl.c (start_decl, push_parm_decl, finish_struct,
9189 finish_enum, start_function): Update calls to decl_attributes.
9190 * c-parse.in (component_declarator, component_notype_declarator,
9191 label): Update calls to decl_attributes.
9193 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
9195 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
9196 * config/avr/avr.c (legitimate_address_p): Return value changed
9197 from letter to register classes. For better debugging.
9199 2001-07-13 Kazu Hirata <kazu@hxi.com>
9201 * jump.c (reversed_comparison_code_parts): Fix comment typos.
9203 2001-07-13 H.J. Lu (hjl@gnu.org)
9205 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
9207 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
9209 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
9210 correctly for shared configurations.
9211 * config/t-libgcc-pic: New.
9212 * config/{i386,m68k,sparc}/t-openbsd: New.
9213 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
9214 Support -shared. Support debugging libraries with -g.
9215 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
9216 frame information does not emit pointer diffs.
9217 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
9220 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
9222 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
9224 2001-07-13 David Edelsohn <edelsohn@gnu.org>
9226 * combine.c (try_combine): Ensure const_int pow2 is positive.
9228 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
9230 * config.gcc: Add configuration for s/390.
9231 * config/s390/s390.c: New. Subroutines for code generation.
9232 * config/s390/s390.h: New. Definitions for s/390.
9233 * config/s390/s390-protos.h: New. Prototypes.
9234 * config/s390/linux.h: New. Definitions for linux for s/390.
9235 * config/s390/linux64.h: New. Definitions for linux for zSeries.
9236 * config/s390/t-linux: New. Makefile fragment.
9237 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
9238 * config/s390/fixdfdi.h: New. Fix L_fix*di.
9240 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
9242 * emit-rtl.c (try_split): Update mark_jump_label call.
9243 * flow.c (find_sub_basic_blocks): Likewise.
9244 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
9246 (mark_all_labels): Kill second parameter.
9247 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
9248 (rebuild_jump_labels, jump_optimize_minimal): Update call
9250 (jump_optimize_1): Kill crossjumping code.
9251 (mark_jump_label): Kill cross_jump parameter.
9252 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
9253 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
9254 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
9256 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
9258 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
9259 reorganize passes to do reg-stack first, bb-reorder second.
9260 * invoke.texi (-d letters doc): Remove the jump2 pass.
9262 2001-07-12 Steve Ellcey <sje@cup.hp.com>
9264 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
9266 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
9268 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
9270 (verify_flow_info): Make diagnostics prettier.
9272 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
9274 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
9276 * flow.c (outgoing_edges_match): Return early if condition reversal
9279 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
9281 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
9282 (mips_move_2words): When splitting a move into two instructions,
9283 prefix the second address operand with '%D'.
9285 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
9287 * Makefile.in (final.o): Depend on debug.h.
9288 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
9289 (dbx_debug_hooks): Add new hooks.
9290 (xcoff_debug_hooks): New.
9291 * debug.c (debug_nothing_file_int_int): New.
9292 (do_nothing_debug_hooks): Update.
9293 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
9294 (debug_nothing_file_int_int): New.
9295 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
9296 static, update prototype.
9297 (dwarf2_debug_hooks): Update.
9298 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
9299 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
9300 static, update prototype.
9301 (dwarf_debug_hooks): Update.
9302 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
9303 * final.c: Include debug.h.
9304 (final_scan_insn): Use debug hooks when beginning and ending blocks.
9305 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
9306 static, update prototype.
9307 (sdb_debug_hooks): Update.
9308 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
9309 * toplev.c: Distinguish between xcoff and dbx.
9311 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
9312 Call all debug hooks, not just dwarf ones.
9314 2001-07-11 Timothy Wall <twall@redhat.com>
9316 * config.gcc: Add configuration for AIX5/IA64.
9317 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
9318 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
9319 support prefix/suffix code.
9320 * config/ia64/t-aix: New. Makefile fragment.
9321 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
9323 2001-07-11 Kazu Hirata <kazu@hxi.com>
9325 * recog.c (validate_change): Fix a comment typo.
9327 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
9329 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
9330 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
9332 * dbxout.c (dbx_debug_hooks): Add new hooks.
9333 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
9335 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
9337 * dbxout.h (dbxout_start_new_source_file,
9338 dbxout_resume_previous_source_file): Delete.
9339 * debug.c (do_nothing_debug_hooks): Add new hooks.
9340 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
9341 (debug_nothing_int_charstar, debug_nothing_int): New.
9342 * debug.h (gcc_debug_hooks): New hooks define, undef,
9343 start_source_file and end_source_file.
9344 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
9345 (debug_nothing_int_charstar, debug_nothing_int): New.
9346 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
9347 the conditionally compiled section.
9348 (dwarf2out_start_source_file, dwarf2out_end_source_file,
9349 dwarf2out_define, dwarf2out_undef): Make static.
9350 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
9351 dwarf2out_define, dwarf2out_undef): Remove.
9352 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
9353 (dwarfout_start_source_file, dwarfout_end_source_file,
9354 dwarfout_define, dwarfout_undef): Make static.
9355 (dwarfout_start_source_file_check,
9356 dwarfout_end_source_file_check): New.
9357 (dwarfout_define, dwarfout_finish): Update.
9358 * dwarfout.h (dwarfout_start_new_source_file,
9359 dwarfout_resume_previous_source_file, dwarfout_define,
9360 dwarfout_undef): Remove.
9361 * sdbout.c (sdb_debug_hooks): Add new hooks.
9362 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
9364 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
9365 make static, take an arg.
9366 * sdbout.h (sdbout_start_new_source_file,
9367 sdbout_resume_previous_source_file): Delete.
9368 * toplev.c (debug_start_source_file, debug_end_source_file,
9369 debug_define, debug_undef): Delete.
9370 * toplev.h (debug_start_source_file, debug_end_source_file,
9371 debug_define, debug_undef): Delete.
9373 * java/jcf-parse.c: Include debug.h.
9374 (parse_class_file): Update to use debug hooks directly.
9375 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
9377 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9379 * alias.c (set_mem_alias_set): New function.
9380 * rtl.h (set_mem_alias_set): Declare it.
9381 * builtins.c (expand_builtin_return_addr): Call it instead of
9382 using MEM_ALIAS_SET accessor.
9383 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
9384 (get_memory_rtx, expand_builtin_va_arg): Likewise.
9385 (expand_builtin_va_copy):Likewise.
9386 * caller-save.c (setup_save_areas): Likewise.
9387 * calls.c (compute_argument_addresses): Likewise.
9388 * explow.c (set_mem_attributes): Likewise.
9389 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
9390 (expand_assignment, store_constructor_field, store_field): Likewise.
9391 (expand_expr_unaligned): Likewise.
9392 * function.c (assign_stack_temp_for_type): Likewise.
9393 (put_reg_into_stack, gen_mem_addressof): Likewise.
9394 * ifcvt.c (noce_try_cmove_arith): Likewise.
9395 * reload1.c (reload, alter_reg): Likewise.
9396 * config/alpha/alpha.c (get_aligned_mem): Likewise.
9397 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
9398 (alpha_expand_unaligned_store): Likewise
9399 (alpha_expand_unaligned_load_words): Likewise.
9400 (alpha_expand_unaligned_store_words): Likewise.
9401 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
9402 (alpha_expand_epilogue): Likewise.
9403 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
9404 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
9405 * config/i386/i386.c (legitimize_pic_address): Likewise.
9406 * config/i960/i960.c (setup_incoming_varargs): Likewise.
9407 * config/ia64/ia64.c (spill_restore_mem): Likewise.
9408 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
9409 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
9410 * config/mips/mips.c (mips_va_arg): Likewise.
9411 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
9412 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
9413 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9414 (setup_incoming_varargs, rs6000_va_arg): Likewise.
9415 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
9416 (rs6000_emit_epilogue): Likewise.
9417 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
9418 * config/sparc/sparc.c (sparc_va_arg): Likewise.
9419 * config/v850/v850.c (v850_va_arg): Likewise.
9421 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
9423 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
9424 when fallthru edge is present.
9425 (mege_blocks): Handle case where creation of jump insn
9428 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
9429 CLEANUP_POST_REGSTACK): New constants.
9430 * except.c (finish_eh_generation): Update call of cleanup_cfg,
9431 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
9432 * output.h (cleanup_cfg): Update prototype.
9433 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
9434 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
9435 cleanup_cfg call; kill missleading comment.
9436 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
9437 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
9438 parameter; control optimizations performed using it.
9439 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
9440 try_crossjump_bb): New functions.
9442 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
9444 * pa.c (pa_output_function_prologue): Delete prototype. Make function
9446 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
9447 pa_output_function_prologue.
9448 * pa-protos.h (pa_output_function_prologue): New prototype.
9450 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
9452 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
9453 and low to get correct sign extension in low+high test.
9455 2001-07-11 Janis Johnson <janis@us.ibm.com>
9457 * gcov.c (arcdata): Use gcov_type to fix branch percentage
9458 for large hit count.
9460 * profile.c (branch_prob): Fix .bbg info for computed gotos
9463 2001-07-11 Mark Mitchell <mark@codesourcery.com>
9465 * stmt.c (parse_output_constraint): New function, split out
9467 (expand_asm_operands): ... here. Use parse_output_constraint.
9468 * tree.h (parse_output_constraint): Declare it.
9470 2001-07-11 Richard Henderson <rth@redhat.com>
9472 * bitmap.c: Comment some functions; fiddle whitespace.
9473 (bitmap_free): Don't export.
9474 (bitmap_element_allocate): Use memset.
9475 * bitmap.h (bitmap_free): Don't declare.
9477 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
9479 * gcse.c, lcm.c, sched-deps.c:
9480 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
9482 * flow.c (flow_loops_find): Free dom if we found no loops, since
9483 we aren't going to save it.
9485 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
9488 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
9490 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
9492 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9494 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
9495 #ifndef DWARF2_DEBUGGING_INFO.
9497 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
9499 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
9501 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
9503 * config/mips/mips.c (gen_int_relational): Tell the caller not to
9504 reverse a branch if a NE comparison is implemented with GTU.
9506 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
9507 H.J. Lu <hjl@gnu.org>
9509 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
9511 (call_internal2): Likewise.
9512 (call_value_internal1): Likewise.
9513 (call_value_internal2): Likewise.
9514 (call_value_multiple_internal1): Likewise.
9515 (call_value_multiple_internal2): Likewise.
9517 2001-07-10 Kazu Hirata <kazu@hxi.com>
9519 * calls.c (emit_library_call_value_1): Fix a comment typo.
9520 * dwarf2out.c (mem_loc_descriptor): Likewise.
9521 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
9523 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
9525 * simplify-rtx.c (simplify_subreg): Fix typo in comment
9527 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9529 * recog.c (offsettable_address_p): Handle LO_SUM case.
9530 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
9531 instead of plus_constant.
9533 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9535 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
9536 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
9538 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9540 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
9541 adjust_address_nv instead of plus_constant.
9543 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
9545 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
9546 dwarf2out.o): Depend on debug.h, wrap long lines.
9547 * dbxout.c: Include debug.h.
9548 (dbx_debug_hooks): New.
9549 (dbxout_init): Make static, take just 2 args.
9550 (dbxout_finish): Make static.
9551 * dbxout.h (dbxout_init, dbxout_finish): Delete.
9552 * debug.c: New file.
9553 * debug.h: New file.
9554 * dwarf2out.c: Include debug.h.
9555 (dwarf2_debug_hooks): New.
9556 (dwarf2out_init): Make static.
9557 (dwarf2out_finish): Make static, take 2 args.
9558 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
9559 * dwarfout.c: Include debug.h.
9560 (dwarf_debug_hooks): New.
9561 (dwarfout_init): Make static.
9562 (dwarfout_finish): Make static, take 2 args.
9563 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
9564 * sdbout.c: Include debug.h.
9565 (sdb_debug_hooks): New.
9566 (sdbout_init): Make static, take 2 args.
9567 * sdbout.h (sdbout_init): Delete.
9568 * toplev.c: Include debug.h.
9570 (compile_file): Set deubg_hooks based on command line options.
9571 Use the hooks unconditionally rather than conditional compilation.
9573 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
9575 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
9576 first_insn_after_basic_block_note instead.
9578 * df.c (df_bb_refs_unlink): #if 0 out for now.
9580 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
9582 * ssa.h: Add prototype for ssa_const_prop
9583 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
9584 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
9585 (ssa_fast_dce): Remove unused variable
9587 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9589 * diagnostic.c (finish_diagnostic): Rename to
9590 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
9593 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
9595 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
9598 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
9599 (dump_file): Only pad the demangled name with spaces if the
9600 mangled name was padded with spaces.
9602 2001-07-10 Bernd Schmidt <bernds@redhat.com>
9604 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
9607 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9609 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
9610 extraction if no direct load if either EXPAND_CONST_ADDRESS or
9613 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
9614 whether can put offset inside LO_SUM to check mode alignment, not size.
9616 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9618 * doc/tm.texi (Misc): Fix thinko.
9620 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
9622 * regmove.c (replace_in_call_usage): Fix warnings.
9623 * sched-deps.c (add_dependence): Fix warnings.
9624 * simplify-rtx.c (simplify_subreg): Likewise.
9625 Return NULL_RTX instead of NULL.
9627 * reg-stack.c (emit_swap_insn): Eliminate warnings.
9628 (subst_asm_stack_regs): Likewise.
9630 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
9633 * dwarf2out.c (output_call_frame_info): Declare i as int.
9634 (build_abbrev_table): Declare n_alloc as int.
9635 (dwarf2out_finish): Initialize die.
9636 * except.c: Declare sjlj_funcdef_number as unsigned.
9637 (connect_post_landing_pads): Declare j as unsigned.
9638 (convert_to_eh_region_ranges): Initialize call_site.
9639 (output_function_exception_table): Initialize tt_format_size.
9640 * expr.c (move_by_pieces_1): Initialize to1.
9641 (store_constructor): Initialize minelt and maxelt.
9642 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
9643 * function.c (instantiate_decls): Avoid signed/unsigned warning.
9645 * c-decl.c (combine_parm_decls): Unused, remove.
9646 * c-tree.h: Remove prototype for combine_parm_decls.
9648 * reload.c (push_reload): Fix warning.
9649 (regno_clobbered_p): Likewise.
9650 * reload1.c (replace_pseudos_in_call_usage): Likewise.
9651 (reload_combine): Likewise.
9653 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
9654 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
9656 * bitmap.c (bitmap_operation): Change user.
9657 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
9659 2001-07-10 Eric Christopher <echristo@redhat.com>
9661 * config/mips/mips.c (override_options): Fix typo.
9663 2001-07-09 Stan Shebs <shebs@apple.com>
9665 * target.h (struct gcc_target): New fields init_builtins and
9667 * target-def.h (TARGET_INIT_BUILTINS): New macro.
9668 (TARGET_EXPAND_BUILTIN): New macro.
9669 (TARGET_INITIALIZER): Add them.
9670 * builtins.c: Include target.h.
9671 (expand_builtin): Use targetm.expand_builtin.
9672 (default_init_builtins): New function.
9673 (default_expand_builtin): New function.
9674 * expr.h (default_init_builtins): Declare.
9675 (default_expand_builtin): Declare.
9676 * c-common.c (c_common_nodes_and_builtins): Use
9677 targetm.init_builtins.
9678 * defaults.h (MD_INIT_BUILTINS): Remove.
9679 * Makefile.in (builtins.o): Depend on target.h.
9681 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
9682 (TARGET_EXPAND_BUILTIN): Define.
9683 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
9684 (MD_EXPAND_BUILTIN): Remove.
9686 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
9687 (TARGET_EXPAND_BUILTIN): Define.
9688 (c4x_init_builtins): Make endlink arg a local.
9689 (c4x_print_operand): Fix typos in adjust_address usages.
9690 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
9691 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
9692 (MD_EXPAND_BUILTIN): Remove.
9694 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
9695 (TARGET_EXPAND_BUILTIN): Define.
9696 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
9697 (ix86_init_builtins): Call new function only if TARGET_MMX.
9698 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
9699 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
9700 (MD_EXPAND_BUILTIN): Remove.
9702 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
9703 (TARGET_EXPAND_BUILTIN): Define.
9704 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
9705 (MD_EXPAND_BUILTIN): Remove.
9707 * doc/tm.texi: Document these changes.
9709 2001-07-09 Diego Novillo <dnovillo@redhat.com>
9711 * basic-block.h (tree_node): Forward declare if needed.
9712 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
9713 (BLOCK_HEAD_TREE): Define.
9714 (BLOCK_END_TREE): Define.
9715 (struct loops): Rename field 'tree' to 'tree_root'.
9716 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
9718 (flow_loops_tree_build): Rename reference to field 'tree' to
9720 (flow_loops_level_compute): Ditto.
9721 * predict.c (estimate_bb_frequencies): Ditto.
9722 * tree.h (struct tree_common): Add field 'aux'.
9724 2001-07-09 Stan Shebs <shebs@apple.com>
9726 * config/darwin.c (darwin_encode_section_info): Don't mark any
9727 DECL_EXTERNAL node as defined.
9729 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
9731 * pa.c (pa_init_machine_status, pa_mark_machine_status,
9732 pa_free_machine_status, hppa_init_pic_save): Delete.
9733 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
9734 (hppa_profile_hook): Use hppa_pic_save_rtx.
9735 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
9736 hppa_init_pic_save): Delete.
9737 (hppa_pic_save_rtx): Declare.
9738 * pa.md (call, call_value, sibcall, sibcall_value,
9739 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
9741 2001-07-09 Kazu Hirata <kazu@hxi.com>
9743 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
9744 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
9746 2001-07-09 Andreas Jaeger <aj@suse.de>
9748 * output.h: Add declaration of final_forward_branch_p.
9750 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
9752 * varray.c: Include errors.h for internal_error and trim_filename
9755 * Makefile.in (varray.o): Add errors.h.
9757 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
9759 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
9760 * optabs.c (have_add2_insn): Check whether the add insn chosen
9761 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
9762 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
9764 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
9766 * Makefile.in (OBJS): Add ssa-ccp.o
9767 (ssa-ccp.o): Add dependencies.
9768 * toplev.c (DFI_ssa_ccp): New dump file enum.
9769 (dump_file): Add entry for dumping after SSA CCP.
9770 (flag_ssa_ccp): New flag variable.
9771 (f_options): Add -fssa-ccp.
9772 (rest_of_compilation): Run SSA CCP if requested.
9773 * timevar.def (TV_SSA_CCP): New timevar.
9774 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
9775 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
9776 Fix minor typo in SSA DCE documentation.
9777 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
9778 Add documentation for new dump option. Renumber dump files
9781 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9783 * emit-rtl.c (gen_highpart_mode): New.
9784 * rtl.h (gen_highpart_mode): Declare.
9785 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
9786 operand can be VOIDmode constant.
9788 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
9790 * flow.c (redirect_edge_and_branch_force): New.
9791 (can_fallthru): Ensure that basic blocks are succeeding.
9792 (try_optimize_cfg): Do not delete basic block if it is the last one.
9794 * flow.c (try_redirect_by_replacing_jump): Do not remove
9795 jumps with side effects, unlink chain on fallthru edge;
9796 set block for new jump instruction; avoid basic block to
9797 over by line number note.
9799 * flow.c (try_simplify_condjump): Verify that the condjump
9800 is not always falling trought.
9803 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9805 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9806 (try_redirect_by_replacing_jump): Update properly the count
9807 and frequency information.
9809 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9811 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
9812 address that is a LO_SUM specially.
9813 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
9815 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
9817 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
9818 (operand_subword): Use them.
9819 (change_address_1): Renamed from change_address; new arg VALIDATE.
9820 * expr.h: Reflect above changes; change_address now macro.
9821 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
9823 * cselib.c (add_mem_for_addr): Likewise.
9824 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
9825 * regmove.c (try_apply_stack_adjustment): Likewise.
9826 * reload.c (push_reload, make_memloc): Likewise.
9827 * reload1.c (eliminate_regs): Likewise.
9828 * simplify-rtx.c (simplify_replace_rtx): Likewise.
9829 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
9831 * combine.c (make_extraction, simplify_shift_const): Likewise.
9832 (gen_lowpart_for_combine): Likewise.
9833 * cse.c (gen_lowpart_if_possible): Likewise.
9834 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
9835 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
9836 * optabs.c (gen_move_insn): Likewise.
9837 * reload1.c (alter_reg): Likewise.
9838 * simplify-rtx.c (simplify_subreg): Likewise.
9839 * stmt.c (expand_anon_union_decl): Likewise.
9840 * recog.c (validate_replace_rtx_1): Likewise.
9842 * Makefile.in (recog.o): Add $(EXPR_H).
9843 * explow.c (stabilize): Call replace_equiv_address.
9844 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
9845 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
9847 2001-07-03 Andrew Haley <aph@redhat.com>
9849 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
9850 the mode of the memory location.
9852 2001-07-09 Bo Thorsen <bo@suse.co.uk>
9854 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
9856 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
9858 * final.c (output_addr_const): Use target opening and
9859 closing parentheses.
9860 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
9861 defaults, add to TARGET_ASM_OUT.
9862 * target.h (struct gcc_target): Add open_paren and close_paren.
9863 * doc/md.texi: Update.
9864 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
9865 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
9866 TARGET_ASM_CLOSE_PAREN.
9867 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9869 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9871 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
9872 * config/a29k/a29k.h: Similarly.
9873 * config/alpha/alpha.h: Similarly.
9874 * config/arc/arc.h: Similarly.
9875 * config/arm/aof.h: Similarly.
9876 * config/arm/aout.h: Similarly.
9877 * config/avr/avr.h: Similarly.
9878 * config/c4x/c4x.h: Similarly.
9879 * config/clipper/clipper.h: Similarly.
9880 * config/convex/convex.h: Similarly.
9881 * config/d30v/d30v.h: Similarly.
9882 * config/dsp16xx/dsp16xx.h: Similarly.
9883 * config/elxsi/elxsi.h: Similarly.
9884 * config/fr30/fr30.h: Similarly.
9885 * config/h8300/h8300.h: Similarly.
9886 * config/i370/i370.h: Similarly.
9887 * config/i386/i386.h: Similarly.
9888 * config/i860/i860.h: Similarly.
9889 * config/i960/i960.h: Similarly.
9890 * config/ia64/ia64.h: Similarly.
9891 * config/m32r/m32r.h: Similarly.
9892 * config/m68hc11/m68hc11.h: Similarly.
9893 * config/m68k/m68k.h: Similarly.
9894 * config/m88k/m88k.h: Similarly.
9895 * config/mcore/mcore.h: Similarly.
9896 * config/mips/mips.h: Similarly.
9897 * config/mn10200/mn10200.h: Similarly.
9898 * config/mn10300/mn10300.h: Similarly.
9899 * config/ns32k/ns32k.h: Similarly.
9900 * config/pa/pa.h: Similarly.
9901 * config/pdp11/pdp11.h: Similarly.
9902 * config/pj/pj.h: Similarly.
9903 * config/romp/romp.h: Similarly.
9904 * config/rs6000/rs6000.h: Similarly.
9905 * config/sh/sh.h: Similarly.
9906 * config/sparc/sparc.h: Similarly.
9907 * config/v850/v850.h: Similarly.
9908 * config/vax/vax.h: Similarly.
9909 * config/we32k/we32k.h: Similarly.
9911 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
9913 * doc/c-tree.texi: Document representation of attributes.
9915 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9917 * doc/tm.texi: Update some places for the rename of target to
9920 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9922 * target.h (struct gcc_target): Add insert_attributes.
9923 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
9924 (TARGET_INITIALIZER): Update.
9925 * tree.c, tree.h (default_insert_attributes): New function.
9926 Update comments on other default functions to refer to targetm,
9928 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
9929 TARGET_INSERT_ATTRIBUTES.
9930 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
9931 * c-common.c (decl_attributes): Use targetm.insert_attributes.
9932 Don't use PRAGMA_INSERT_ATTRIBUTES.
9933 * Makefile.in (c-common.o): Depend on $(TARGET_H).
9934 * c-decl.c (start_decl, start_function): Don't call
9935 SET_DEFAULT_DECL_ATTRIBUTES.
9936 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9937 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
9939 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
9940 (c4x_check_attribute): Avoid modifying attribute list itself.
9941 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
9943 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
9944 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
9946 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
9947 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
9949 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9950 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
9952 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
9953 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
9954 Adjust parameters. Make static.
9956 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9958 * c-common.c (decl_attributes): Only take a single attributes
9960 * c-common.h (decl_attributes): Update prototype.
9961 * c-decl.c (start_decl, start_function): Only take a single
9962 attributes parameter. Update calls to decl_attributes.
9963 (finish_struct, finish_enum): Update calls to decl_attributes.
9964 (push_parm_decl): Expect unified list of attributes. Update call
9966 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
9967 notype_nested_function, component_declarator,
9968 component_notype_declarator, label): Update calls to
9970 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
9971 lists that are passed to push_parm_decl.
9972 * c-tree.h (start_function, start_decl): Update prototypes.
9973 * config/sh/sh-protos.h, config/sh/sh.c
9974 (sh_pragma_insert_attributes): Only take a single attributes
9976 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
9977 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
9978 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
9979 build_module_descriptor, generate_static_references,
9980 generate_strings, build_selector_translation_table,
9981 generate_descriptor_table, generate_protocols,
9982 generate_ivars_list, generate_dispatch_table,
9983 generate_protocol_list, generate_category,
9984 generate_shared_structures, really_start_method, add_objc_decls,
9985 generate_classref_translation_entry): Update calls to start_decl
9987 (build_tmp_function_decl, start_method_def): Unify attribute lists
9988 that are passed to push_parm_decl.
9990 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
9992 * final.c (no_asm_to_stream): New.
9993 (final_scan_insn): Use target structures for prologue ends
9994 and epilogue starts.
9995 * output.h (no_asm_to_stream): New.
9996 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
9997 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
9998 (TARGET_ASM_OUT): Update.
9999 * target.h (struct gcc_target): New members function_end_prologue
10000 and function_begin_epilogue.
10001 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
10002 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
10003 * config/alpha/alpha.c (output_end_prologue): Rename to
10004 alpha_output_function_end_prologue. Use in target struct
10006 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
10007 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
10008 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
10009 ia64_output_function_end_prologue. Use in target struct
10011 (ia64_function_prologue, ia64_funciton_epilogue): Rename
10012 mistyped prototypes.
10013 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
10014 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
10016 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
10017 an use in target struct, make static.
10018 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
10021 2001-07-08 Richard Henderson <rth@redhat.com>
10023 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
10025 2001-07-08 Richard Henderson <rth@redhat.com>
10027 * config/i386/i386.md: Remove constraints strings from define_split
10028 and define_peephole2 patterns.
10029 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
10030 (eh_return): Use them.
10032 2001-07-08 Richard Henderson <rth@redhat.com>
10034 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
10035 Document MD_FALLBACK_FRAME_STATE_FOR.
10037 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10039 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
10040 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
10042 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
10044 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
10046 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
10047 of the label inside NAME as opposed to just the end of NAME.
10049 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
10051 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
10052 * config/alpha/alpha.c (alpha_init_machine_status,
10053 alpha_mark_machine_status, alpha_free_machine_status): Delete.
10054 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
10055 (vms_valid_decl_attribute_p): Make static, conditionally compile.
10056 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
10058 2001-07-06 Stan Shebs <shebs@apple.com>
10060 * target.h (targetm): Rename global from "target", so as not to
10061 conflict with local variables.
10063 * c-typeck.c: Ditto.
10066 * cp/decl.c: Ditto.
10067 * cp/decl2.c: Ditto.
10068 * cp/typeck.c: Ditto.
10069 * 1750a/1750a.c: Ditto.
10070 * a29k/a29k.c: Ditto.
10071 * arc/arc.c: Ditto.
10072 * arm/arm.c: Ditto.
10073 * avr/avr.c: Ditto.
10074 * clipper/clipper.c: Ditto.
10075 * convex/convex.c: Ditto.
10076 * d30v/d30v.c: Ditto.
10077 * dsp16xx/dsp16xx.c: Ditto.
10078 * elxsi/elxsi.c: Ditto.
10079 * fr30/fr30.c: Ditto.
10080 * h8300/h8300.c: Ditto.
10081 * i370/i370.c: Ditto.
10082 * i386/i386.c: Ditto.
10083 * i860/i860.c: Ditto.
10084 * i960/i960.c: Ditto.
10085 * ia64/ia64.c: Ditto.
10086 * m32r/m32r.c: Ditto.
10087 * m68hc11/m68hc11.c: Ditto.
10088 * m68k/m68k.c: Ditto.
10089 * m88k/m88k.c: Ditto.
10090 * mips/mips.c: Ditto.
10091 * ns32k/ns32k.c: Ditto.
10093 * pdp11/pdp11.c: Ditto.
10094 * romp/romp.c: Ditto.
10095 * rs6000/rs6000.c: Ditto.
10097 * sparc/sparc.c: Ditto.
10098 * vax/vax.c: Ditto.
10099 * we32k/we32k.c: Ditto.
10100 * doc/tm.texi: Update the manual to match.
10102 2001-07-06 Richard Henderson <rth@redhat.com>
10104 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
10105 DWARF2_UNWIND_INFO not just whether it is defined.
10107 2001-07-06 Diego Novillo <dnovillo@redhat.com>
10109 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
10110 call to simplify_binary_operation returns a new pattern.
10112 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
10114 * glimits.h (__SHRT_MAX__): New.
10115 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
10116 (SHRT_MAX): Define in terms of __SHRT_MAX__.
10118 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
10120 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
10123 2001-07-06 Richard Henderson <rth@redhat.com>
10125 * bitmap.c (bitmap_release_memory): Move adjacent to the
10126 allocation functions.
10127 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
10128 the implementation. Binary search for the set bit.
10129 (bitmap_union_of_diff): Allocate the temporary on the stack
10130 instead of using xmalloc.
10132 2001-07-06 Richard Henderson <rth@redhat.com>
10134 * genrecog.c (validate_pattern): Warn for constraints in
10135 define_{expand,split,peephole2}. Remove strict_low_part
10136 before looking up match_dup.
10138 2001-07-06 DJ Delorie <dj@redhat.com>
10140 * doc/gcc.texi (Makefile): Rename to be a more general purpose
10141 chapter about various build hints and history. Add section
10142 talking about the various types of native and cross builds.
10144 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
10146 * Makefile.in (final.o): Depend on target.h.
10147 * final.c: Include target.h.
10148 (default_function_pro_epilogue): New.
10149 (final_start_function): Use target structure for function prologues.
10150 (final_end_function): Use target structure for function epilogues.
10151 * fold-const.c (real_hex_to_f): Constify s and p.
10152 * output.h (default_function_pro_epilogue): New.
10153 * real.h (real_hex_to_f): Update prototype.
10154 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
10155 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
10156 (TARGET_INITIALIZER): Update.
10157 * target.h (gcc_target): Add struct asm_out.
10158 * doc/tm.texi: Update.
10161 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
10162 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
10163 in cpu/cpu.c, or rename old functions consistently. Take
10164 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
10165 redundant macros and prototypes. Make new functions static.
10167 * 1750a/1750a.c: Similarly.
10168 * 1750a/1750a.h: Similarly.
10169 * a29k/a29k-protos.h: Similarly.
10170 * a29k/a29k.c: Similarly.
10171 * a29k/a29k.h: Similarly.
10172 * arc/arc-protos.h: Similarly.
10173 * arc/arc.c: Similarly.
10174 * arc/arc.h: Similarly.
10175 * arm/arm-protos.h: Similarly.
10176 * arm/arm.c: Similarly.
10177 * arm/arm.h: Similarly.
10178 * avr/avr-protos.h: Similarly.
10179 * avr/avr.c: Similarly.
10180 * avr/avr.h: Similarly.
10181 * clipper/clipper-protos.h: Similarly.
10182 * clipper/clipper.c: Similarly.
10183 * clipper/clipper.h: Similarly.
10184 * convex/convex.c: Similarly.
10185 * convex/convex.h: Similarly.
10186 * d30v/d30v-protos.h: Similarly.
10187 * d30v/d30v.c: Similarly.
10188 * d30v/d30v.h: Similarly.
10189 * d30v/d30v.md: Similarly.
10190 * dsp16xx/dsp16xx-protos.h: Similarly.
10191 * dsp16xx/dsp16xx.c: Similarly.
10192 * dsp16xx/dsp16xx.h: Similarly.
10193 * elxsi/elxsi.c: Similarly.
10194 * elxsi/elxsi.h: Similarly.
10195 * fr30/fr30.c: Similarly.
10196 * fr30/fr30.md: Similarly.
10197 * h8300/h8300-protos.h: Similarly.
10198 * h8300/h8300.c: Similarly.
10199 * h8300/h8300.h: Similarly.
10200 * i370/i370-protos.h: Similarly.
10201 * i370/i370.c: Similarly.
10202 * i370/i370.h: Similarly.
10203 * i386/i386.c: Similarly.
10204 * i386/osf1elf.h: Similarly.
10205 * i386/osfrose.h: Similarly.
10206 * i860/i860-protos.h: Similarly.
10207 * i860/i860.c: Similarly.
10208 * i860/i860.h: Similarly.
10209 * i960/i960-protos.h: Similarly.
10210 * i960/i960.c: Similarly.
10211 * i960/i960.h: Similarly.
10212 * ia64/ia64-protos.h: Similarly.
10213 * ia64/ia64.c: Similarly.
10214 * ia64/ia64.h: Similarly.
10215 * m32r/m32r-protos.h: Similarly.
10216 * m32r/m32r.c: Similarly.
10217 * m32r/m32r.h: Similarly.
10218 * m68hc11/m68hc11-protos.h: Similarly.
10219 * m68hc11/m68hc11.c: Similarly.
10220 * m68hc11/m68hc11.h: Similarly.
10221 * m68k/crds.h: Similarly.
10222 * m68k/dpx2.h: Similarly.
10223 * m68k/m68k-protos.h: Similarly.
10224 * m68k/m68k.c: Similarly.
10225 * m68k/m68k.h: Similarly.
10226 * m68k/news.h: Similarly.
10227 * m88k/m88k-protos.h: Similarly.
10228 * m88k/m88k.c: Similarly.
10229 * m88k/m88k.h: Similarly.
10230 * mips/mips-protos.h: Similarly.
10231 * mips/mips.c: Similarly.
10232 * mips/mips.h: Similarly.
10233 * ns32k/merlin.h: Similarly.
10234 * ns32k/ns32k.c: Similarly.
10235 * ns32k/ns32k.h: Similarly.
10236 * ns32k/tek6000.h: Similarly.
10237 * pa/pa-protos.h: Similarly.
10238 * pa/pa.c: Similarly.
10239 * pa/pa.h: Similarly.
10240 * pdp11/2bsd.h: Similarly.
10241 * pdp11/pdp11-protos.h: Similarly.
10242 * pdp11/pdp11.c: Similarly.
10243 * pdp11/pdp11.h: Similarly.
10244 * romp/romp-protos.h: Similarly.
10245 * romp/romp.c: Similarly.
10246 * romp/romp.h: Similarly.
10247 * rs6000/rs6000-protos.h: Similarly.
10248 * rs6000/rs6000.c: Similarly.
10249 * rs6000/rs6000.h: Similarly.
10250 * rs6000/sysv4.h: Similarly.
10251 * sh/sh-protos.h: Similarly.
10252 * sh/sh.c: Similarly.
10253 * sh/sh.h: Similarly.
10254 * sparc/sparc-protos.h: Similarly.
10255 * sparc/sparc.c: Similarly.
10256 * sparc/sparc.h: Similarly.
10257 * vax/vax.c: Similarly.
10258 * vax/vax.h: Similarly.
10259 * vax/vms.h: Similarly.
10260 * we32k/we32k.c: Similarly.
10261 * we32k/we32k.h: Similarly.
10263 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
10265 * basic-block.h (first_insn_after_basic_block_note): Declare.
10266 * flow.c (first_insn_after_basic_block_note): Define. Moved
10268 * ssa.c (first_insn_after_basic_block_note): Remove.
10269 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
10271 (ssa_eliminate_dead_code): Properly update the CFG and PHI
10272 nodes when we find a dead conditional branch. Insert BARRIERs
10273 after any blocks with no successors, but which do not have
10276 2001-07-06 Zack Weinberg <zackw@stanford.edu>
10278 * varray.c (varray_check_failed): Use internal_error.
10280 2001-07-05 Andrew Haley <aph@redhat.com>
10282 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
10283 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
10284 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
10286 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
10288 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
10289 reference if the target constant is also a SYMBOL_REF.
10291 2001-07-05 Eric Christopher <echristo@redhat.com>
10293 * config/mips/mips.h (MASK_MIPS3900): Remove.
10294 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
10295 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
10296 (TARGET_MIPS3900): Change to use mips_arch.
10297 (TARGET_MIPS4000): New.
10298 (TARGET_MIPS4100): New.
10299 (TARGET_MIPS4300): New.
10300 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
10301 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
10303 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
10304 (ISA_HAS_BRANCHLIKELY): To here.
10305 (CC1_CPU_SPEC): New.
10306 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
10307 (mips_arch_string): Declare.
10308 (mips_arch): Declare.
10309 (TARGET_OPTIONS): Add -march and -mtune.
10311 * config/mips/mips.c (mips_arch_string): New.
10313 (override_options): Handle -march for codegen and -mtune
10314 for scheduling. Use mips_arch. Move tx39 target default here.
10315 (mips_parse_cpu): Move error message to override_options.
10317 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
10319 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
10321 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
10322 (MIPS Options): Ditto. Change mcpu entry to historical text.
10324 2001-07-05 H.J. Lu (hjl@gnu.org)
10326 * config/mips/mips.c (mips_parse_cpu): New function to parse
10329 2001-07-05 Jim Wilson <wilson@redhat.com>
10331 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
10332 * config/ia64/t-ia64: Likewise.
10333 (LIB1ASMFUNCS): Update comment.
10335 2001-07-05 David Edelsohn <edelsohn@gnu.org>
10337 * doc/install.texi (Install GCC: Binaries): Fix typo.
10339 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10341 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
10342 reference using the stack pointer, adjust it since we push Y
10344 ("*ashrsi3"): Likewise.
10345 ("*lshrsi3"): Likewise.
10347 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10349 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
10350 when -fomit-frame-pointer is used.
10352 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
10354 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
10355 (try_redirect_by_replacing_jump): Reverse updating properly the
10356 count and frequency information. Reverse removing cc0 setter.
10357 (forwarder_block_p): Reverse fixing for fallthru blocks.
10359 2001-07-05 DJ Delorie <dj@redhat.com>
10361 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
10362 (translate_options): If the above is defined, use it to map
10363 given options to new options.
10364 * doc/tm.texi: Document it.
10366 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
10367 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10369 * doc/invoke.texi (Optimize Options): Document that -fgcse may
10370 cause programs using computed gotos to run more slowly.
10372 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10374 * doc/install.texi (Specific): Markup, spelling and typo fixes.
10376 Consistently require binutils 2.11.2, not prereleases.
10377 (Specific, decstation-*): Canonicalize as mips-dec-*.
10378 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
10380 (Specific, m68k-altos): Removed reference to README.altos, deleted.
10381 (Specific, mips-*): Reword MIPS C compiler requirements.
10382 (Specific, powerpc*-*-*): New, mention --with-cpu once.
10383 (Specific, sunv5): Removed, obsolete.
10385 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
10387 * dwarf2out.c (output_loc_list): Use an all ones mask for
10388 .text asm output and don't rely on long long
10389 literals. Reformat some long lines.
10391 2001-07-05 Andreas Jaeger <aj@suse.de>
10393 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
10396 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
10398 * dwarf2out.c (dwarf2out_define): Update comment.
10399 (dwarf2out_undef): Ditto.
10400 (dwarf2out_start_source_file): Ditto.
10401 (dwarf2out_end_source_file): Ditto.
10402 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
10403 since we never call the start/end debug hook for the primary file.
10405 2001-07-04 Kazu Hirata <kazu@hxi.com>
10407 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
10410 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
10412 * cppinit.c (remove_dup_dirs): Inform if a system include
10413 directory is being reordered.
10414 * doc/invoke.texi (Directory Options): GCC warns if you hide a
10416 * doc/cpp.texi (Search Paths): Likewise.
10417 * doc/gcc.texi (Interoperation): Remove information about
10420 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
10422 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
10423 (VARRAY_TOP_CHAR_PTR): Likewise.
10425 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10427 * gcc.c (process_command): Don't assign elements of a const char*.
10429 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10431 * emit-rtl.c (change_address): Don't abort if invalid address while
10432 reload is in progress.
10434 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
10436 * c-lex.c (cb_file_change): Pass line number to
10437 debug_start_source_file.
10438 (cb_undefine): Pass correct line number to debug_undef.
10440 * toplev.c (debug_start_source_file): Add line number to
10441 parameters. Pass it along to dwarf2out_start_source_file.
10442 (decode_g_option): Stop resetting debug level back to normal when
10443 we change debug formats, unless the current level is
10444 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
10447 * toplev.h (debug_start_source_file): Add line number to
10450 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
10453 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
10455 Output debug_macinfo data for starting file if requested.
10456 (dwarf2out_end_source_file): Output debug_macinfo data for ending
10458 (dwarf2out_define): Output debug_macinfo data for defining a macro
10460 (dwarf2out_undef): Output debug_macinfo data for undefining a
10461 macro if requested.
10462 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
10463 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
10464 (macinfo_section_label): New. DWARF2 macro info section label.
10465 (dwarf2out_init): If we want macro info, output the start label
10467 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
10468 attribute to the compilation unit die pointing to the macro info.
10470 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
10472 * dwarf2out.c (new_loc_list): Move to inside #ifdef
10473 DWARF2_DEBUGGING_INFO.
10474 (add_loc_descr_to_loc_list): Ditto.
10475 (output_loc_list): Ditto.
10476 Also, fix thinko in curr not being initialized.
10477 (gen_internal_sym): Ditto.
10479 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10481 * emit-rtl.c (replace_equiv_address): New function.
10482 * expr.h (replace_equiv_address): New declaration.
10483 * explow.c (validize_mem): Call it instead of change_address and
10484 also call if -fforce-addr and address is constant.
10485 * expr.c: Replace more calls to change_address with adjust_address
10486 and/or replace_equiv_address or to validize_mem.
10487 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
10488 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
10489 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
10490 * config/i370/i370.md, config/i860/i860.md: Likewise.
10491 * config/i960/i960.md, config/mips/mips.c: Likewise.
10492 * config/mips/mips.md, config/pa/pa.md: Likewise.
10493 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
10494 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
10496 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10498 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
10500 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
10503 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
10505 * doc/include: New directory.
10506 * doc/fdl.texi: Move to doc/include/fdl.texi.
10507 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
10508 * doc/include/funding.texi, doc/include/gpl.texi: New files.
10509 * doc/gcc.texi: Use funding.texi and gpl.texi.
10510 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
10511 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
10512 Update dependencies and use -I $(docdir)/include.
10514 2001-07-04 Anthony Green <green@redhat.com>
10516 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
10518 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10520 * doc/install.texi (sparc64-*-*): Remove garbage.
10522 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
10524 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
10525 Fix typo in last change to use adjust_address.
10527 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10529 * doc/install.texi (Specific): Update information for *-*-solaris*.
10531 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10533 * explow.c (plus_constant_wide): Reinitialize Y for restart.
10535 2001-07-03 Stan Shebs <shebs@apple.com>
10537 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
10538 case for flag_no_mach_text_sections.
10539 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
10540 * config/darwin.c (flag_no_mach_text_sections): Remove.
10541 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
10543 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10545 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
10546 and avoid checking for constant as first operand.
10547 * recog.c (find_constant_term_loc): No longer static.
10548 (adj_offettable_operand): Delete.
10549 * rtl.h (adj_offsettable_operand): Delete declaration.
10550 (find_constant_term): Add declaration.
10551 * caller-save.c: Replace calls to adj_offsettable_operand with calls
10553 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
10554 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
10555 * config/i386/i386.c, config/i386/i386.md: Likewise.
10556 * config/i860/i860.c, config/i960/i960.c: Likewise.
10557 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
10558 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
10559 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
10560 * config/mips/mips.c, config/mips/mips.md: Likewise.
10561 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
10562 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
10563 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
10564 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
10565 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
10566 * config/ns32k/ns32k.md: Likewise.
10568 2001-07-03 Zack Weinberg <zackw@stanford.edu>
10570 * rtl.c (copy_rtx): Handle 'T' format letter.
10571 * gensupport.c (collect_insn_data): Likewise.
10572 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
10574 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
10576 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
10577 -B option. Use 'dir' not 'foo' as example directory name.
10579 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10581 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
10582 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
10584 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
10586 * doc/cppinternals.texi: Improve formatting and logical markup.
10588 2001-07-03 Andreas Jaeger <aj@suse.de>
10590 * Makefile.in (insn-recog.o): Add dependency on reload.h.
10592 * genrecog.c (write_header): Include reload.h for prototypes in
10595 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
10598 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
10599 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
10600 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
10601 i386_pe_valid_type_attribute_p): Add.
10602 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
10603 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
10605 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10607 * explow.c (plus_constant_wide, case LO_SUM): New case.
10608 (plus_constant_for_output_wide): Delete.
10609 * rtl.h (plus_constant_for_output): Delete.
10610 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
10611 instead of plus_constant_for_output.
10612 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
10613 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
10614 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
10615 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
10616 * config/sparc/sparc.md: Likewise.
10617 Convert some change_address calls to adjust_address.
10619 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
10621 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
10622 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
10623 documentation of -std and -Wwrite-strings.
10625 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
10627 * cse.c (canon_hash): Don't register registers in very small
10628 register classes, as extending their lifetime might cause
10631 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
10633 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
10635 * flow.c (forwarder_block_p): Fix for fallthru blocks.
10636 (try_redirect_by_replacing_jump): Update properly the count
10637 and frequency information.
10639 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
10641 * toplev.c (dump_file_index): Move SSA dumps just after first
10643 (dump_file): Corresponding changes.
10644 (rest_of_compilation): Move SSA path to just after the first
10646 * doc/gcc.texi (Passes): Update due to movement of SSA path.
10647 * doc/invoke.texi: Update dump file #s as they were completely
10648 out of date with reality.
10650 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
10652 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
10654 * expr.c (emit_move_insn_1): Deal with non-default
10657 * expr.c (emit_single_push_insn): Fix warning.
10659 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
10661 * expr.c (emit_move_insn_1): Avoid modifying
10662 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
10664 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10666 * emit-rtl.c (adjust_address): New function.
10667 * expr.h (adjust_address): Add declaration.
10668 * builtins.c: Replace some calls to change_address with calls to it
10669 or to validize_mem.
10670 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
10671 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
10672 * config/arm/arm.c, config/convex/convex.c: Likewise.
10673 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
10674 * config/i386/i386.c, config/i386/i386.md: Likewise.
10675 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
10676 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
10677 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
10678 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
10679 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
10681 2001-07-02 Jim Wilson <wilson@redhat.com>
10683 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
10685 2001-07-02 Steve Ellcey <sje@cup.hp.com>
10687 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
10688 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
10690 2001-07-02 Zack Weinberg <zackw@stanford.edu>
10692 * cppinit.c (lang_defaults): New table.
10693 (set_lang): Just read from lang_defaults into the live options
10696 2001-07-02 Zack Weinberg <zackw@stanford.edu>
10698 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
10699 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
10700 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
10702 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10704 * doc/install.texi: Various spelling and markup fixes.
10705 (Installing GCC): Component specific installation instructions are
10708 Warn about removing old install dir in the presence of shared libs.
10709 (Configuration): Invoke with options target to match configure
10711 Consistently refer to gas, gld pathnames.
10712 Invert --enable-multilib documentation.
10713 Remove references to old compiler versions.
10715 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10717 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
10719 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10721 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
10723 (Specific, mips*-sgi-irix5): Note IDO download.
10724 Reworded MIPS C hints.
10725 Use GNU as instead of GAS.
10727 Removed SGI Freeware reference, IRIX 6 only.
10728 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
10729 Note N64 library requirement/workaround.
10731 Complete list of structure passing bug victims.
10733 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10735 * doc/install.texi: Remove CVS Id.
10737 2001-07-02 Andreas Jaeger <aj@suse.de>
10739 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
10740 (find_inherently_necessary): Remove unused variable.
10742 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
10744 * c-common.h (TDI_inlined): New ast dump phase.
10745 (dump_flag_name): New function.
10746 * c-dump.c (dump_files): Add inlined phase.
10747 (dump_flag_name): Define.
10748 * doc/invoke.texi (-fdump-ast-inlined): Document.
10750 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10752 * stor-layout.c (layout_decl): Revert change to handling of alignment
10755 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10757 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
10760 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
10762 * doc/tm.texi (FUNCTION_ARG): Document that the last call
10765 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
10767 * tlink.c (recompile_files): Remove COMPILER_PATH and
10768 LIBRARY_PATH from the environment.
10770 2001-07-01 Zack Weinberg <zackw@stanford.edu>
10772 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
10773 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
10775 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
10777 * c-parse.in (OBJC_STRING): Kill.
10778 (objc_string): Decompose to [objc_string] '@' STRING.
10779 (reswords): Take the leading '@' off all the Objective C keywords.
10780 (objc_rid_sans_at): Kill.
10781 (init_reswords): Don't initialize it.
10782 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
10783 (_yylex): Kill reconsider label. Look ahead one token after
10784 an '@'; if we get an identifier, check whether it's an
10785 Objective C @-keyword. If so, return the keyword. Otherwise,
10786 put back the token and return the '@' as a terminal.
10788 * cpplib.c (lex_macro_node): Remove unnecessary check for
10789 leading '@' on identifier. Clarify control flow and commentary.
10791 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10793 * cse.c (new_label_ref): Variable deleted.
10794 (insert): Remove set of new_label_ref.
10795 (check_for_label_ref): New function.
10796 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
10798 See ChangeLog.5 for earlier changes.