1 2001-10-11 David Edelsohn <edelsohn@gnu.org>
3 * config/rs6000/xcoff.h (UNALIGNED_DOUBLE_INT_ASM_OP): Only
4 available in 64-bit mode.
6 2001-10-11 Hans-Peter Nilsson <hp@axis.com>
8 * config.gcc: Add cris-*-aout, cris-*-elf, cris-*-none,
10 * config/cris/cris-protos.h: New file.
11 * config/cris/cris.c: New file.
12 * config/cris/cris.h: New file.
13 * config/cris/cris.md: New file.
14 * config/cris/linux.h: New file.
15 * config/cris/aout.h: New file.
16 * config/cris/arit.c: New file.
17 * config/cris/cris_abi_symbol.c: New file.
18 * config/cris/mulsi3.asm: New file.
19 * config/cris/t-aout: New file.
20 * config/cris/t-cris: New file.
21 * config/cris/t-elfmulti: New file.
22 * config/cris/t-linux: New file.
23 * doc/invoke.texi: Add CRIS options.
24 * doc/install.texi (Specific): Add blurb for CRIS.
26 2001-10-10 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
28 * config/float-i128.h: Make sure __STDC__VERSION__ is defined
30 * config/float/i32.h: Likewise.
31 * config/float-i386.h: Likewise.
32 * config/float-i64.h: Likewise.
33 * config/float-m68k.h: Likewise.
34 * config/float-sh.h: Likewise.
35 * config/float-sparc.h: Likewise.
37 2001-10-11 Hans-Peter Nilsson <hp@axis.com>
39 * doc/contrib.texi: Add note about CRIS port to my entry.
41 2001-10-11 Kazu Hirata <kazu@hxi.com>
43 * basic-block.h: Fix formatting.
47 * diagnostic.h: Likewise.
50 * longlong.h: Likewise.
56 2001-10-10 Richard Henderson <rth@redhat.com>
58 * c-parse.in (asm_operand): Allow named operands.
59 * genconfig.c (max_recog_operands): Set to 29.
60 * local-alloc.c (requires_inout): Skip multiple digits.
61 * recog.c (asm_operand_ok): Likewise.
62 (preprocess_constraints): Use strtoul for matching constraints.
63 (constrain_operands): Likewise.
64 * regmove.c (find_matches): Likewise.
65 * reload.c (find_reloads): Likewise.
66 * stmt.c (parse_output_constraint): Don't reject in-out
67 constraint on operands > 9. Reject '[' in constraint.
68 (expand_asm_operands): Handle named operands. Use strtoul
69 for matching constraints.
70 (check_operand_nalternatives): Split out from expand_asm_operands.
71 (check_unique_operand_names): New.
72 (resolve_operand_names, resolve_operand_name_1): New.
74 * doc/extend.texi (Extended Asm): Document named operands.
75 * doc/md.texi (Simple Constraints): Document matching constraints
78 2001-10-10 Richard Henderson <rth@redhat.com>
80 * combine.c (try_combine): Handle a SEQUENCE of one insn.
82 * i386.c (test splitter): Narrow tests vs paradoxical subregs.
83 (jcc splitters): Add two splitters to simplify compound compares
84 that simplify_comparison can't handle.
86 2001-10-10 Richard Henderson <rth@redhat.com>
88 * langhooks.c: Include langhooks.h.
89 * Makefile.in (langhooks.o): Depend on it.
91 Wed Oct 10 23:49:06 EDT 2001 John Wehle (john@feith.com)
93 * rtlanal.c (noop_move_p): Insns with a REG_RETVAL note
94 should not be considered as a no-op.
95 * flow.c (delete_noop_moves): Handle REG_LIBCALL notes.
97 2001-10-10 Stan Shebs <shebs@apple.com>
99 * alias.c: Remove uses of "register" specifier in declarations
100 of arguments and local variables.
102 * c-convert.c: Ditto.
105 * c-semantics.c: Ditto.
107 * caller-save.c: Ditto.
121 * dwarf2out.c: Ditto.
128 * fix-header.c: Ditto.
131 * fold-const.c: Ditto.
135 * gen-protos.c: Ditto.
136 * genattrtab.c: Ditto.
138 * genconfig.c: Ditto.
140 * genextract.c: Ditto.
142 * gengenrtl.c: Ditto.
143 * genoutput.c: Ditto.
146 * gensupport.c: Ditto.
150 * haifa-sched.c: Ditto.
151 * hard-reg-set.h: Ditto.
153 * integrate.c: Ditto.
156 * local-alloc.c: Ditto.
158 * mips-tdump.c: Ditto.
159 * mips-tfile.c: Ditto.
162 * print-rtl.c: Ditto.
166 * reg-stack.c: Ditto.
176 * sched-deps.c: Ditto.
177 * sched-rgn.c: Ditto.
179 * simplify-rtx.c: Ditto.
181 * stor-layout.c: Ditto.
190 2001-10-10 Richard Henderson <rth@redhat.com>
192 * rtl.h (can_reverse_comparison_p): Remove.
194 2001-10-10 Christopher Faylor <cgf@redhat.com>
196 * config/i386/cygwin.h: Avoid adding include files if -nostdinc is
199 2001-10-10 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
201 * config/i386/mingw32.h (WIN32_NO_ABSOLUTE_INST_DIRS): New define.
202 (Thanks to Chris Faylor for suggesting macro name).
203 (CPP_PREDEFINES): Define __MINGW32__ but don't set value; add more
205 (STANDARD_INCLUDE_DIR): Remove i386- from directory name.
206 (STANDARD_INCLUDE_COMPONENT): Change to MINGW.
207 (MATH_LIBRARY): Undef before definition.
208 (OUTPUT_QUOTED_STRING): Likewise.
209 * config/i386/cygwin.h: Use WIN32_NO_ABSOLUTE_INST_DIRS.
211 2001-10-10 Richard Henderson <rth@redhat.com>
213 * unwind-dw2-fde.c (fde_compare_t): Change return type to int.
214 (fde_unencoded_compare): Likewise. Don't use subtraction to get
215 a tristate comparison value.
216 (fde_single_encoding_compare, fde_mixed_encoding_compare): Likewise.
218 2001-10-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
221 * unroll.c (loop_iterations): Ignore insns generated by loop
224 * config.gcc (mips*-*-gnu*): Delete support.
225 * config/mips/gnu.h: Remove.
227 2001-10-10 Kazu Hirata <kazu@hxi.com>
229 * calls.c: Fix formatting.
230 * c-decl.c: Likewise.
231 * cfgcleanup.c: Likewise.
232 * combine.c: Likewise.
233 * cppfiles.c: Likewise.
234 * cpplib.c: Likewise.
235 * cppmacro.c: Likewise.
236 * crtstuff.c: Likewise.
238 * dwarf2out.c: Likewise.
239 * expmed.c: Likewise.
241 * fold-const.c: Likewise.
242 * function.c: Likewise.
244 * genattrtab.c: Likewise.
245 * ggc-page.c: Likewise.
246 * integrate.c: Likewise.
247 * libgcc2.c: Likewise.
249 * optabs.c: Likewise.
250 * profile.c: Likewise.
251 * protoize.c: Likewise.
254 * reload1.c: Likewise.
255 * reload.c: Likewise.
257 * resource.c: Likewise.
258 * sched-rgn.c: Likewise.
259 * sdbout.c: Likewise.
261 * toplev.c: Likewise.
262 * varasm.c: Likewise.
264 2001-10-10 Janis Johnson <janis187@us.ibm.com>, Alexandre Oliva <aoliva@redhat.com>
266 * langhooks.c: Include rtl.h, insn-config.h and integrate.h.
267 * Makefile.in (langhooks.o): Add dependencies.
269 Wed Oct 10 00:41:29 EDT 2001 John Wehle (john@feith.com)
271 * rs6000.c (rs6000_emit_load_toc_table): Don't
272 strdup the toc label.
273 (create_TOC_reference): Likewise.
275 2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
277 * config.gcc (i[34567]86-*-mingw32*): Make msvcrt-dependent
280 2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
282 * config/i386/i386.c (ix86_attribute_table): Correct
283 min_len, max_len fields for dllimport, dllexport and shared.
285 2001-10-10 Joseph S. Myers <jsm28@cam.ac.uk>
287 * doc/c-tree.texi, doc/cppinternals.texi, doc/extend.texi,
288 doc/install.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi:
289 Consistently use "nonzero" instead of "non-zero".
291 2001-10-09 Kazu Hirata <kazu@hxi.com>
293 * acconfig.h: Fix comment formatting.
294 * c-dump.h: Likewise.
295 * c-tree.h: Likewise.
296 * conditions.h: Likewise.
298 * function.h: Likewise.
301 * integrate.h: Likewise.
304 * optabs.h: Likewise.
306 2001-10-09 Kazu Hirata <kazu@hxi.com>
308 * c-common.h: Fix comment formatting.
309 * c-dump.c: Likewise.
311 * diagnostic.h: Likewise.
312 * except.c: Likewise.
314 * gcov-io.h: Likewise.
315 * genattrtab.c: Likewise.
316 * output.h: Likewise.
317 * predict.h: Likewise.
318 * reload1.c: Likewise.
319 * reload.h: Likewise.
320 * resource.h: Likewise.
322 * system.h: Likewise.
324 * tree-inline.c: Likewise.
325 * tsystem.h: Likewise.
326 * varasm.c: Likewise.
327 * xcoffout.h: Likewise.
329 2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk>
331 * doc/gcc.texi: Document preference for "nonzero" over "non-zero".
333 2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk>
335 * config/alpha/freebsd.h, config/alpha/lib1funcs.asm,
336 config/i386/i386elf.h, config/i386/netbsd-elf.h,
337 config/i386/netware.h, config/mcore/gfloat.h,
338 config/mcore/mcore.c, config/mcore/mcore.h, config/mcore/mcore.md,
339 config/netware.h, gccbug.in: Update FSF address.
341 2001-10-09 Kazu Hirata <kazu@hxi.com>
343 * c-common.c: Fix comment typos.
344 * cfgrtl.c: Likewise.
345 * collect2.c: Likewise.
346 * cpplex.c: Likewise.
347 * doloop.c: Likewise.
348 * dwarf2out.c: Likewise.
349 * dwarfout.c: Likewise.
351 * fold-const.c: Likewise.
355 * global.c: Likewise.
358 * optabs.c: Likewise.
359 * protoize.c: Likewise.
360 * regclass.c: Likewise.
365 * doc/cpp.texi: Likewise.
366 * doc/c-tree.texi: Likewise.
367 * doc/extend.texi: Likewise.
368 * doc/invoke.texi: Likewise.
369 * doc/objc.texi: Likewise.
370 * doc/tm.texi: Likewise.
372 2001-10-08 Richard Henderson <rth@redhat.com>
374 * varasm.c (set_named_section_flags): Initialize "declared".
376 2001-10-08 Robert Lipe <robertlipe@usa.net>
378 * varasm.c (struct in_named_entry): Add declared.
379 (named_section_first_declaration): New function.
380 (default_elf_asm_named_section): Use it.
381 * output.h (named_section_first_declaration): New.
383 2001-10-08 Richard Henderson <rth@redhat.com>
385 * i386.md (movsi_xor): Export.
386 (setcc peep2): Use it when available; add an alternative to
387 match zero_extendhisi2_and.
389 2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
391 * romp-protos.h (romp_initialize_trampoline): New function.
392 * romp.c (romp_initialize_trampoline): Likewise.
393 * romp.h (INITIALIZE_TRAMPOLINE): Define in terms of
394 romp_initialize_trampoline.
396 2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
398 * m68k/3b1.h (ASM_OUTPUT_SOURCE_LINE): Don't reference `last_linenum'.
399 * m68k/auxas.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
400 * m68k/crds.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
401 * m68k/mot3300.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
403 2001-10-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
405 * unroll.c (loop_iterations): Extend check for multiple back edges.
407 2001-10-08 Alexandre Oliva <aoliva@redhat.com>
409 * langhooks.h: New file.
410 * Makefile.in (OBJS): Added langhooks.o.
411 (c-lang.o): Depend on langhooks.h.
412 (c-common.o): Don't depend on tree-inline.h.
413 (tree-inline.o): Depend on toplev.h.
414 (langhooks.o): New rule.
415 * c-common.c: Don't include tree-inline.h.
416 (c_mark_lang_decl): Mark argument c as unused.
417 (c_common_lang_init): Don't initialize hooks here.
418 * c-lang.c: Include langhooks.h, then override some macros.
419 (lang_hooks): Initialize with macros in langhooks.h.
420 (c_init): Don't initialize hooks here.
421 * toplev.c (struct lang_hooks_for_tree_inlining): New struct.
422 (struct lang_hooks): Add tree_inlining. Refer to langhooks.h.
423 * tree-inline.c: Include toplev.h. Don't define hook variables.
424 * tree-inline.h: Don't define hook types nor declare hook
425 variables. Move macros to...
426 * langhooks.c: ... new file, as functions. Adjust all callers.
428 2001-10-08 Jeffrey A Law <law@cygnus.com>
430 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Call
431 purge_mem_unchanging_flag on all instructions, not just on those
432 before NOTE_INSN_FUNCTION_BEG.
434 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
436 * cppmacro.c (_cpp_create_definition): Leave comments off.
438 * doc/cpp.texi: Update.
440 2001-10-08 DJ Delorie <dj@redhat.com>
442 * c-decl.c (grokfield): Make sure the only unnamed fields
443 we're allowing are either structs or unions.
444 * doc/extend.texi: Add documentation for the unnamed field
447 2001-10-08 Zack Weinberg <zack@codesourcery.com>
449 * aclocal.m4 (gcc_AC_PROG_GNAT): New.
450 * configure.in: Use it.
451 * configure: Regenerated.
452 * config/pa/t-linux, config/pa/t-pa, config/pa/t-pa64,
453 config/pa/t-pro: Set T_ADAFLAGS, not ADA_CFLAGS.
455 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
457 * cppfiles.c (open_file): Don't mark zero-length files
458 never-reread here. Don't output diagnostics here either.
459 (stack_include_file): Mark them never-reread here.
460 (_cpp_read_file): Update.
462 2001-10-08 Richard Henderson <rth@redhat.com>
464 * config/i386/sol2.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
466 2001-10-08 Richard Henderson <rth@redhat.com>
468 * expr.c (store_expr): When converting a CONST_INT for storage
469 in a SUBREG, convert it to both SUBREG modes before stripping
472 2001-10-08 Richard Henderson <rth@redhat.com>
474 * varasm.c (restore_varasm_status): New.
475 * function.h: Declare it.
476 * function.c (pop_function_context_from): Call it.
478 2001-10-08 Richard Henderson <rth@redhat.com>
480 * c-common.h (struct c_lang_decl): Add declared_inline.
481 * c-tree.h (DECL_DECLARED_INLINE_P): New.
482 * c-lang.c (c_disregard_inline_limits): Use it.
483 * c-decl.c (duplicate_decls): Likewise.
484 (pushdecl, redeclaration_error_message): Likewise.
485 (pushdecl): Allocate DECL_LANG_SPECIFIC if needed.
486 (grokdeclarator): Likewise. Set DECL_DECLARED_INLINE_P.
487 Set DECL_INLINE if -finline-functions.
488 (store_parm_decls): Don't allocate DECL_LANG_SPECIFIC here.
490 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
492 * cppmacro.c (funlike_invocation_p): Move some logic to caller
493 in enter_macro_context. Create a padding token in its own context
494 if necessary when the search for '(' fails.
495 (enter_macro_context): Update.
497 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
499 * ChangeLog.2, c-decl.c, config/i386/i386.md, doc/gcc.texi, gcc.c,
500 genmultilib, toplev.c: Fix spelling errors of "separate" as
501 "seperate", and corresponding spelling errors of related words.
503 2001-10-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * builtins.c (expand_builtin_setjmp_receiver): Const-ify.
506 * c-common.c (fname_var_t, c_tree_code_type, c_tree_code_length):
508 * c-dump.c (dump_option_value_info): Likewise.
509 * c-format.c (format_length_info, format_char_info,
510 format_flag_spec, format_flag_pair, format_kind_info): Likewise.
511 * collect2.c (names): Likewise.
512 * cppdefault.h (default_include): Likewise.
513 * cppexp.c (suffix, vsuf_1, vsuf_2, vsuf_3): Likewise.
514 * flow.c (life_analysis): Likewise.
515 * gcc.c (dir_separator_str, modify_target, option_map,
516 target_option_translations, spec_list_1, extra_specs_1,
517 init_spec): Likewise.
518 * gcov.c (gcov_version_string): Likewise.
519 * genattr.c (write_units): Likewise.
520 * genattrtab.c (make_length_attrs, write_function_unit_info): Likewise.
521 * gengenrtl.c (rtx_definition, defs): Likewise.
522 * genrecog.c (pred_table): Likewise.
523 * global.c (global_alloc): Likewise.
524 * lcm.c (optimize_mode_switching): Likewise.
525 * local-alloc.c (find_free_reg): Likewise.
526 * params.h (param_info): Likewise.
527 * predict.c (predictor_info): Likewise.
528 * protoize.c (unexpansion_struct): Likewise.
529 * real.c (bmask): Likewise.
530 * recog.h (insn_operand_data, insn_data): Likewise.
531 * regclass.c (initial_fixed_regs, initial_call_used_regs): Likewise.
532 * stmt.c (expand_nl_goto_receiver): Likewise.
533 * toplev.c (da, debug_args, lang_opt, documented_lang_options,
534 target_switches, target_options): Likewise.
535 * tradcif.y (token, tokentab2, yylex): Likewise.
536 * tree.h (attribute_spec): Likewise.
538 * alpha.c (override_options, alpha_lookup_xfloating_lib_func):
540 * arc.c (arc_output_function_epilogue): Likewise.
541 * arm.c (processors, all_cores, all_architectures,
542 arm_override_options, isr_attribute_arg, isr_attribute_args,
543 arm_isr_value): Likewise.
544 * avr.c (mcu_type_s, reg_class_tab, order_regs_for_local_alloc):
546 * c4x.c (c4x_int_reglist): Likewise.
547 * d30v.c (override_options): Likewise.
548 * h8300.c (shift_insn): Likewise.
549 * i386.c (size_cost, i386_cost, i486_cost, pentium_cost,
550 pentiumpro_cost, k6_cost, athlon_cost, pentium4_cost, ix86_cost,
551 ix86_expand_sse_comi, ix86_expand_sse_compare, override_options,
552 builtin_description, bdesc_comi, bdesc_2arg, bdesc_1arg,
553 ix86_init_mmx_sse_builtins, ix86_expand_builtin): Likewise.
554 * i386.h (processor_costs, ix86_cost): Likewise.
555 * m68hc11.c (m68hc11_cost, m6811_cost, m6812_cost): Likewise.
556 * m68hc11.h (processor_costs, m68hc11_cost): Likewise.
557 * m68k.c (codes_68881, codes_FPA): Likewise.
558 * m88k.c (mode_from_align, max_from_align, all_from_align,
559 best_from_align, m_options): Likewise.
560 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
561 * mcore.c (mode_from_align): Likewise.
562 * mips/elf64.h (UNIQUE_SECTION): Likewise.
563 * mips/iris6gld.h (UNIQUE_SECTION): Likewise.
564 * mips.c (mips_sw_reg_names, mips_regno_to_class): Likewise.
565 * mips.h (mips_regno_to_class): Likewise.
566 * ns32k.c (scales): Likewise.
567 * pa.c (import_string, magic_milli): Likewise.
568 * rs6000.c (alt_reg_names, rs6000_override_options): Likewise.
569 * sparc.c (leaf_reg_remap, sparc_override_options,
570 reg_leaf_alloc_order, reg_nonleaf_alloc_order, reg_alloc_orders):
572 * sparc.h (sparc_cpu_select, leaf_reg_remap): Likewise.
574 2001-10-07 Dale Johannesen <dalej@apple.com>
576 * reload1.c (reload_reg_free_p): Teach register interference
577 checking that multiple output reloads are emitted in
579 reload1.c (reload_reg_reaches_end_p): Ditto.
580 reload1.c (reloads_conflict): Ditto.
582 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
584 * doc/c-tree.texi, doc/tm.texi: Consistently put NULL and
585 NULL_TREE inside @code.
587 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
589 * doc/gcc.texi: Document consistent style of "32-bit",
590 "Objective-C", and "@code{NULL}".
592 2001-10-06 Zack Weinberg <zack@codesourcery.com>
594 * cpplex.c (enum spell_type): Add SPELL_NUMBER.
595 (cpp_token_len, cpp_spell_token, cpp_output_token,
596 _cpp_equiv_tokens): Handle it.
597 * cpplib.h (TTYPE_TABLE): Use SPELL_NUMBER for CPP_NUMBER and
598 CPP_COMMENT, SPELL_NONE for CPP_PADDING and CPP_EOF.
599 * cppexp.c (_cpp_parse_expr): Use the correct operator code in
602 Sat Oct 6 07:42:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
604 * gcc.c (default_compilers): Remove .ada.
606 2001-10-06 Neil Booth <neil@daikokuya.demon.co.uk>
608 * doc/cppinternals.texi: Update.
610 2001-10-06 Zack Weinberg <zack@codesourcery.com>
612 * gcc.c (main): Set this_file_error if the appropriate
613 compiler for a language has not been installed.
615 2001-10-06 Ulrich Weigand <uweigand@de.ibm.com>
617 * config/s390/s390.c (s390_va_arg): Use set_mem_alias_set.
619 2001-10-05 Joseph S. Myers <jsm28@cam.ac.uk>
621 * gccbug.in (CATEGORIES): Add ada.
623 2001-10-05 Catherine Moore <clm@redhat.com>
625 * config/stormy16/stormy-abi: Document abi changes.
626 * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine.
627 (ICALL_REGS): New register class.
628 (NUM_ARGUMENT_REGISTERS): Now 6.
629 (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs
631 (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS.
632 * config/stormy16.md (call_internal, call_value_internal,
633 indirect_jump): Use new 'z' constraint.
635 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
637 * doc/cppinternals.texi: Update.
639 2001-10-05 Richard Henderson <rth@redhat.com>
641 * dwarf2out.c (FRAME_BEGIN_LABEL): New.
642 (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
643 the gas section-name-as-label feature.
645 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
647 * doc/cppinternals.texi: Update.
649 Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
651 * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
652 to ensure valid SImode constants.
654 2001-10-05 Alexandre Oliva <aoliva@redhat.com>
656 * Makefile.in (c-decl.o): Depend on tree-inline.h.
657 (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
658 * c-decl.c: Include tree-inline.h.
659 (c_expand_body): Call optimize_inline_calls. Determine whether
660 a function is inlinable upfront, and only clear
661 DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
662 * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
663 (c_disregard_inline_limits): New function.
664 (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
665 (c_post_options): Enable tree inlining if inlining is enabled.
666 Don't inline trees when instrumenting functions.
667 (c_init): Initialize lang_disregard_inline_limits and
668 lang_cannot_inline_tree_fn.
669 * tree-inline.c (initialize_inlined_parameters): Handle calls
670 with fewer arguments than declared parameters, and fewer
671 parameters than passed arguments. Don't assume value is a
673 (declare_return_variable): Convert return value back to the
674 original type, if it was promoted.
675 (tree_inlinable_function_p): New function.
676 (inlinable_function_p): Don't look at DECL_INLINE if we're
677 inlining all functions. Make it work with a NULL id.
678 Re-check DECL_UNINLINABLE after language-specific checks.
679 * tree-inline.h (tree_inlinable_function_p): Declare it.
680 * integrate.c (save_for_inline): Don't bother to prepare argvec
682 * cse.c (check_for_label_ref): Don't check deleted labels.
684 * Makefile.in (tree-inline.o): Depend on newly-included headers.
685 * tree-inline.c: Include headers needed for the functions moved in.
686 (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
687 (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
688 (copy_body, initialize_inlined_parameters): Likewise.
689 (declare_return_variable, inlinable_function_p): Likewise.
690 (expand_call_inline, expand_calls_inline): Likewise.
691 (optimize_inline_calls, clone_body): Likewise.
692 (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
693 (copy_tree_r, remap_save_expr): Likewise.
695 2001-10-04 Alexandre Oliva <aoliva@redhat.com>
697 * Makefile.in (OBJS): Added tree-inline.o.
698 (c-common.o): Depend on tree-inline.h.
699 (tree-inline.o): New target.
700 * c-common.c: Include tree-inline.h.
701 (c_mark_lang_decl): Don't mark saved_tree.
702 (c_common_lang_init): Set lang_anon_aggr_type_p.
703 * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
704 (struct c_lang_decl): Moved saved_tree to tree_decl.
705 * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
706 * integrate.h (function_attribute_inlinable_p): Declare it.
707 * integrate.c (function_attribute_inlinable_p): Export it.
708 * tree-inline.c: New file. Define variables declared in...
709 * tree-inline.h: New file. Declare functions to be moved to
710 tree-inline.c. Define macros and declare types and hooks for
711 language-specific tree inlining.
712 (flag_inline_trees): Moved definition from cp/decl2.c.
713 * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
714 (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
715 (struct tree_decl): Moved saved_tree from c_lang_decl and
716 inlined_fns from C++'s lang_decl.
718 2001-10-04 Loren J. Rittle <ljrittle@acm.org>
720 * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
721 propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
723 2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
725 * doc/cppinternals.texi: Update.
727 2001-10-04 Eric Christopher <echristo@redhat.com>
729 * config/mips/mips.c (init_cumulative_args): Remember to set
731 * config.gcc: Redo linux configuration. Add target_cpu_default
732 of soft-float to all mipsisa32 combinations and tx39.
733 * config/mips/linux.h: Remove include of mips.h.
735 2001-10-03 Loren J. Rittle <ljrittle@acm.org>
737 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
738 HOST_LDFLAGS and HOST_CPPFLAGS.
740 2001-10-03 Ziemowit Laski <zlaski@apple.com>
742 * c-parse.in (objc_inherit_code, objc_pq_context,
743 objc_public_flag): Make static.
744 (objc_interface_context, objc_implementation_context,
745 objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
746 global tree array in objc/objc-act.[ch].
747 (methoddef): Remove unnecessary code.
749 * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
750 Hoist struct definitions to objc-act.h.
751 (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
752 cat_count): Place declaration in objc-act.h.
753 (objc_tree_index): Move enumeration to objc-act.h.
754 (objc_global_trees): Place declaration and macro accessors in
756 (implementation_context): Remove duplicate; use
757 objc_implementation_context instead:
758 (method_context): Remove duplicate; use objc_method_context
760 (objc_ellipsis_node, objc_method_prototype_template,
761 implemented_classes, function_type): Move global vars to
763 (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
764 (build_message_expr): Move actual construction of ObjC message
765 send nodes to finish_message_expr.
766 (finish_message_expr): New routine, contains code formerly in
768 * objc/objc-act.h (finish_message_expr): New prototype.
769 (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
770 declarations; these vars are now part of objc_global_trees.
771 (objc_tree_index, objc_global_trees): Move definitions from
773 * objc/objc-tree.def: Update copyright info.
775 Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
777 * dwarf2asm.c (unaligned_integer_asm_op): Abort if
779 * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
780 only if TARGET_ARCH64.
782 2001-10-02 Bernd Schmidt <bernds@redhat.com>
784 * doc/extend.texi: Fix some problems with previous checkin.
785 * doc/invoke.texi: Likewise.
787 2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
789 * cpphash.h: Update comments.
790 (cpp_context): Update.
791 (spec_nodes): Remove n__Pragma.
792 * cppinit.c (cpp_create_reader): Update.
793 (builtin_array): Add _Pragma.
794 * cpplib.h: Update comments.
795 (NODE_DISABLED, BT_PRAGMA): New.
796 (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
797 * cppmacro.c (struct cpp_macro): Remove disabled.
798 (builtin_macro): Return int, handle _Pragma, push the new token
799 on the context stack.
800 (funlike_invocation_p): Unconstify, update.
801 (enter_macro_context): Handle builtins here.
802 (replace_args, push_token_context, push_ptoken_context):
803 Update for prototype changes.
804 (_cpp_pop_context): Update.
805 (cpp_get_token): Don't handle buitins, nor _Pragma here.
806 (cpp_sys_macro_p): Update.
807 (_cpp_free_definition): Clear disabled flag.
808 (_cpp_create_definition): Upate.
809 * cppmain.c: Update comments.
811 Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
812 Andreas Jaeger <aj@suse.de>,
813 Jan Hubicka <jh@suse.cz>
815 * doc/invoke.texi (i386 Options): Document x86-64 options.
816 (i386 and x86-64 Options): Rename i386 options section.
818 * config/i386/i386.h (TARGET_UNWIND_INFO): New.
819 (TARGET_SWITCHES): Add -munwind-info.
820 (MASK_NO_UNWIND_INFO): New.
821 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
823 (ASM_OUTPUT_DOUBLE_INT): New.
825 * config/i386/linux64.h: New spec file for Linux x86-64 support.
826 * config.gcc: Fix tm_file settings for x86-64.
827 * config/i386/x86-64.h: New file with OS independent x86-64
829 * config/i386/biarch64.h: New file used to configure compiler
830 to biarch/64bit compilation.
832 * config/i386/i386.c: (override_options): Set flags default
833 for 64bit compilation.
835 Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
837 * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
838 (ix86_expand_int_movcc): Optimize DImode conditional moves with
840 (ix86_attr_length_immediate_default): Support MODE_DI.
841 * i386.md (fixdi splitter): Add missing "&& 1" in splitter
843 (indirect_jump, tablejump): Turn into expander.
845 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
847 * c-common.c (c_format_attribute_table): Make format and
848 format_arg attributes apply to function types rather than to
850 (is_valid_printf_arglist): Construct an attribute list and pass
851 that to check_function_format rather than a name.
852 * c-common.h (check_function_format): Adjust prototype.
853 * c-decl.c (duplicate_decls): Preserve attributes from type of
854 built-in decl when allowing for harmless conflict in types.
855 * c-format.c (record_function_format,
856 record_international_format, function_format_list,
857 international_format_info, international_format_list): Remove.
858 (function_format_info): Remove next, name and assembler_name.
859 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
860 (decode_format_attr): New.
861 (handle_format_attribute): Handle receiving a type rather than a
862 decl. Call decode_format_attr. Store format information in a
863 function_format_info.
864 (handle_format_arg_attribute): Correct comment. Handle receiving
865 a type rather than a decl. Use unsigned HOST_WIDE_INT for
867 (check_format_info_recurse, check_format_info_main): Take argument
868 numbers as unsigned HOST_WIDE_INT.
869 (check_function_format): Take a list of attributes from the
870 function type rather than a name or assembler name. Check for
871 format attributes in that list and the attributes on the type of
872 the current function rather than looking through
873 function_format_list.
874 (check_format_info): Use unsigned HOST_WIDE_INT for argument
876 (check_format_info_recurse): Take format_arg attributes from the
877 type of the function calls rather than using
878 international_format_list. Allow for multiple format_arg
880 * c-typeck.c (build_function_call): Pass type attributes to
881 check_function_format rather than name or assembler name. Don't
882 require there to be a name or assembler name to check formats.
884 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
886 * attribs.c (decl_attributes): Possibly call
887 insert_default_attributes to insert default attributes on
888 functions in a lazy manner.
889 * builtin-attrs.def: New file; define the default format and
890 format_arg attributes.
891 * c-common.c (c_format_attribute_table): Move to earlier in the
893 (c_common_nodes_and_builtins): Initialize format_attribute_table.
894 (enum built_in_attribute, built_in_attributes,
895 c_attrs_initialized, c_init_attributes,
896 c_common_insert_default_attributes): New.
897 (c_common_lang_init): Don't initialize format_attribute_table. Do
898 call c_init_attributes.
899 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
900 * c-common.h (init_function_format_info): Don't declare.
901 (c_common_insert_default_attributes): Declare.
902 * c-decl.c (implicitly_declare, builtin_function): Call
904 (init_decl_processing): Don't call init_function_format_info.
905 (insert_default_attributes): New.
906 * c-format.c (handle_format_attribute,
907 handle_format_arg_attribute): Be quiet about inappropriate
908 declaration when applying default attributes.
909 (init_function_format_info): Remove.
910 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
911 (insert_default_attributes): Declare.
913 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
915 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
917 2001-10-01 Jim Wilson <wilson@redhat.com>
919 * sched-deps.c (add_dependence): When elide conditional dependence,
920 check that insn doesn't modify cond2.
922 2001-10-01 Dale Johannesen <dalej@apple.com>
924 * config/rs6000/rs6000.h (enum processor_type): Add support
925 for 7400 (G4) and 7450.
927 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
928 (rs6000_issue_rate): Ditto.
929 (rs6000_adjust_cost): Fix cycle counts for compares.
930 (debug_stack_info): Fix an obvious typo.
931 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
932 * doc/invoke.texi: Document.
933 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
935 (PROCESSOR_DEFAULT): Ditto.
937 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
939 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
940 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
941 later recursive make invocation.
943 2001-10-01 Hans Boehm <boehm@acm.org>
945 * optabs.c (emit_libcall_block): When using non-call exceptions,
946 don't add REG_LIBCALL reg notes to trapping calls.
948 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
950 * flow.c (propagate_block_delete_libcall): Remove unused first arg
951 (propagate_one_insn): Update for above change
953 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
955 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
956 _Unwind_GetTextRelBase): Argument is unused.
958 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
960 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
961 Loop through NOPs, placeholders, and components.
962 Don't go through NOPs if change mode.
963 (record_alias_subset): Do nothing if SUBSET and SET are the same.
964 * emit-rtl.c (set_mem_alias_set): Enable check.
965 * expr.c (find_placeholder): New function.
966 (expand_expr, case PLACEHOLDER_EXPR): Use it.
967 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
968 to modify it and avoid unneeded copies.
969 * expr.h (expand_expr): Always define.
970 (find_placeholder): New declaration.
972 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
974 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
975 operand 2 is the stack pointer.
976 ("addr-peephole"): Fix address computation peephole when operand 2
977 is the stack pointer.
979 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
981 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
982 (ix86_setup_incoming_varargs): Likewise.
984 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
986 * stor-layout.c (layout_type): Don't complain about too-large
989 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
991 * function.c (keep_stack_depressed): Don't use delete_insn.
993 * expr.h (set_mem_alias_set): Move decl to here.
994 * rtl.h (mem_attrs): New typedef and struct.
995 (union rtunion_def): Add field for mem_attrs.
996 (X0MEMATTR, MEM_ATTRS): New macros.
997 (MEM_ALIAS_SET): Use MEM_ATTRS.
998 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
999 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
1000 (set_mem_alias_set): Delete decl from here.
1002 * alias.c (set_mem_alias_set): Delete from here.
1003 * emit-rtl.c (mem_attrs_htab): New variable.
1004 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
1005 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
1006 (mem_attrs_mark, get_mem_attrs): Likewise.
1007 (gen_rtx_MEM): Clear MEM_ATTRS.
1008 (set_mem_attributes): Move to here.
1009 (set_mem_alias_set): Likewise, and call get_mem_attrs.
1010 (init_emit_once): const_int_htab now deletable htab.
1011 Initialize mem_attrs_htab.
1012 * explow.c (set_mem_attributes): Delete from here.
1013 * function.c (put_var_into_stack): Clear MEM_ATTRS.
1014 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
1015 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
1016 * reload1.c (reload): Rework changing REG to MEM.
1018 2001-09-30 H.J. Lu <hjl@gnu.org>
1020 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
1021 * config.in: Rebuild.
1023 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1025 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
1026 ("tsthi_1"): Avoid allocation in register y.
1027 ("*movqi_68hc12"): Reorganize and fix constraints.
1028 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
1029 ("addqi3"): Likewise.
1030 ("addhi3"): Fix constraints.
1031 ("*logicalhi3_zexthi"): Disparage soft registers.
1033 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1035 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
1038 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1040 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
1041 that we use setjmp/longjmp exceptions.
1043 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
1045 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
1046 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
1047 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
1048 _cpp_pool_alloc, _cpp_next_chunk): Remove.
1049 (_cpp_extend_buff, BUFF_ROOM): Update.
1050 (_cpp_append_extend_buff): New.
1051 (struct cpp_reader): Remove macro_pool, add a_buff.
1052 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
1054 (cpp_destroy): Free a_buff instead of macro_pool.
1055 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
1056 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
1057 _cpp_pool_alloc, ): Remove.
1058 (parse_number, parse_string): Update use of _cpp_extend_buff.
1059 (_cpp_extend_buff): Update.
1060 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
1061 * cpplib.c (glue_header_name, parse_answer):
1062 Update use of _cpp_extend_buff.
1063 (cpp_register_pragma, cpp_register_pragma_space): Use
1065 (do_assert, do_unassert): Check for EOL, update.
1066 * cppmacro.c (stringify_arg, collect_args): Update to use
1067 _cpp_extend_buff and _cpp_append_extend_buff.
1068 (save_parameter, parse_params, alloc_expansion_token,
1069 _cpp_create_definition): Rework memory management.
1071 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
1073 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
1074 update md_exec_prefix.
1075 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
1078 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
1080 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
1081 (SELECT_CC_MODE): Use s390_select_ccmode.
1082 * config/s390/s390-protos.h (s390_select_ccmode): Add.
1083 * config/s390/s390.c (s390_select_ccmode): New.
1084 (s390_match_ccmode): Add CCLmode.
1085 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
1086 (output_branch_condition, output_inverse_branch_condition): Removed.
1087 (print_operand): Use s390_branch_condition_mnemonic.
1088 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
1089 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
1090 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
1092 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
1093 when converting conditional branches to far branches.
1094 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
1095 cmpint_di): Use CCSmode instead of CCUmode.
1097 * config/s390/s390.c (legitimate_la_operand_p): New.
1098 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
1099 * config/s390/s390.md (movsi): Convert load address patterns to
1100 arithmetic operations when necessary.
1101 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
1102 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
1103 (*do_la_reg_0): Don't use before reload.
1105 * config/s390/s390.c (legitimize_address): Make more efficient
1106 use of two-register addressing mode.
1108 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
1109 with -mno-backchain in some corner cases.
1111 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
1113 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
1115 * reload.c (find_reloads): Mark new USE insns with QImode.
1116 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
1117 find_reloads_subreg_address): Likewise.
1118 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
1120 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
1122 (reload): Make sure there are no USEs with mode other than
1123 VOIDmode. At the end, remove those marked with QImode.
1125 2001-09-29 Per Bothner <per@bothner.com>
1127 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
1128 * Makefile.in (includedir): Rename to local_includedir.
1129 (includedir): Define as $(prefix)/include.
1130 * config.in (PREFIX_INCLUDE_DIR): New variable.
1131 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
1133 2001-09-29 Bernd Schmidt <bernds@redhat.com>
1135 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
1137 * doc/extend.texi (Vector Extensions): New node.
1138 * doc/invoke.texi (Machine Dependent Options): Add documentation for
1139 i386 -mmmx, -msse, -m3dnow.
1141 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1143 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
1145 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
1147 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
1149 * doc/invoke.texi (Optimize Options): Delete spurious @table.
1151 2001-09-28 Richard Henderson <rth@redhat.com>
1153 * varasm.c (assemble_integer): Bound alignment check by
1156 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
1158 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1160 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1162 2001-09-25 Bernd Schmidt <bernds@redhat.com>
1164 Mostly from Graham Stott <grahams@redhat.com>
1165 * c-common.c (type_for_mode): Add support for V2SFmode.
1166 * tree.c (build_common_tree_nodes_2): Likewise.
1167 * tree.h (enum tree_index, global_trees): Likewise.
1168 * config/i386/i386.c (x86_3dnow_a): New variable.
1169 (override_options): Support 3Dnow extensions.
1170 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
1171 Athlon's version of 3Dnow.
1172 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
1173 (ix86_expand_builtin): Handle them.
1174 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
1175 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
1176 TARGET_3DNOW_A): New macros.
1177 (TARGET_SWITCHES): Add 3Dnow switches.
1178 (VALID_MMX_REG_MODE_3DNOW): New macro.
1179 (VECTOR_MODE_SUPPORTED_P): Use it.
1180 (enum ix86_builtins): Add entries for 3Dnow builtins.
1181 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
1182 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
1183 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
1184 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
1185 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
1186 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
1187 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
1188 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
1189 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
1190 sfence_insn, prefetch): Make these available if TARGET_SSE or
1193 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1195 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
1196 ix86_va_start, ix86_build_va_list): Declare.
1197 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
1198 ix86_va_start, ix86_build_va_list): New global functions.
1199 * i386.md (sse_prologue_save_insn): New insn.
1200 (sse_prologue_save): New expander.
1201 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
1202 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
1204 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
1206 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
1207 Use size_t everywhere, make definitions consistent with
1210 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1212 * gcse.c (replace_store_insn): Use delete_insn.
1213 * loop.c (move_movables): Likewise; avoid delete_insn
1214 from clobbering notes moved elsewhere.
1215 (check_dbra_loop): Use delete_insn.
1216 * ssa.c (convert_from_ssa): Likewise.
1217 * cse.c (cse_insn): Use delete_insn.
1219 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
1221 * cpphash.h (struct cpp_buff): Make unsigned.
1222 (_cpp_get_buff): Take length of size_t.
1223 (_cpp_unaligned_alloc): New.
1224 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
1225 (struct cpp_reader): Remove ident_pool. Add u_buff.
1226 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
1227 (cpp_destroy): Destroy u_buff, not ident_pool.
1228 * cpplex.c (parse_number, parse_string, save_comment,
1229 cpp_token_as_text): Update to use the unaligned buffer.
1230 (new_buff): Make unsigned.
1231 (_cpp_unaligned_alloc): New.
1232 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
1233 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
1235 (collect_args): Make unsigned.
1237 2001-09-27 Zack Weinberg <zack@codesourcery.com>
1239 * cpplex.c (cpp_output_token): Use a putc loop for
1240 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
1242 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
1243 * configure, config.in: Regenerate.
1244 * system.h: Replace fwrite and fprintf with their unlocked
1245 variants if available.
1247 2001-09-27 Richard Henderson <rth@redhat.com>
1249 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
1250 in favour of .eh_frame.
1252 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
1254 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
1256 (LIBCALL_VALUE): Likewise.
1258 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
1260 * cpphash.h: Update comment.
1261 * cpplex.c: Update comments.
1262 (_cpp_can_paste): Remove.
1263 * cpplib.h (_cpp_can_paste): Remove.
1264 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
1265 lexer rather than _cpp_can_paste.
1267 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
1269 * doc/cppinternals.texi: Update.
1271 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
1273 * cpphash.h (struct cpp_pool): Remove locks and locked.
1274 (struct cpp_context): Add member buff.
1275 (struct cpp_reader): Remove member argument_pool.
1276 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
1277 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
1278 * cpplex.c (chunk_suitable): Remove pool argument.
1279 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
1280 (new_buff, _cpp_extend_buff): Update.
1281 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
1282 which buffer is returned.
1283 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
1284 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
1285 * cppmacro.c (lock_pools, unlock_pools): Remove.
1286 (push_ptoken_context): Take a _cpp_buff.
1287 (enter_macro_context): Pool locking removed.
1288 (replace_args): Use a _cpp_buff for the replacement list with
1290 (push_token_context): Clear buff.
1291 (expand_arg): Use _cpp_pop_context.
1292 (_cpp_pop_context): Free a context's buffer, if any.
1294 2001-09-26 DJ Delorie <dj@redhat.com>
1296 * c-typeck.c (digest_init): Check for sizeless arrays.
1298 2001-09-26 Richard Henderson <rth@redhat.com>
1300 * optabs.c (init_one_libfunc): Create a dummy function type
1301 instead of using error_mark_node.
1303 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
1305 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
1306 _cpp_extend_buff, _cpp_free_buff): New.
1307 (struct cpp_reader): New member free_buffs.
1308 * cppinit.c (cpp_destroy): Free buffers.
1309 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
1310 _cpp_extend_buff, _cpp_free_buff): New.
1311 * cpplib.h (struct cpp_options): Remove unused member.
1312 * cppmacro.c (collect_args): New. Combines the old parse_arg
1313 and parse_args. Use _cpp_buff for memory allocation.
1314 (funlike_invocation_p, replace_args): Update.
1316 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1318 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
1320 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
1322 * except.c (sjlj_mark_call_sites): Change address inside sequence.
1324 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
1326 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
1329 2001-09-25 Janis Johnson <janis187@us.ibm.com>
1330 Jim Wilson <wilson@redhat.com>
1332 * doc/install.texi (Specific, ia64-*-linux): Document.
1334 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1336 * Makefile.in (cfgrtl.o): Add.
1337 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
1338 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
1339 free_aux_for_edge): Declare.
1341 (HAVE_return): Undefine.
1342 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
1343 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
1344 free_aux_for_edge): New global functions.
1345 (first_delete_block): New static variable.
1346 (init_flow): Clear first_delete_block.
1347 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
1348 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
1349 try_redirect_by_replacing_jump, last_loop_beg_note,
1350 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
1351 delete_insn, delete_insn_chain, create_basic_block_structure,
1352 create_basic_block, flow_delete_block, compute_bb_for_insn,
1353 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
1354 set_block_for_new_insns, split_block, merge_blocks_nomove,
1355 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1356 redirect_edge_and_branch, force_nonfallthru_and_redirect,
1357 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
1358 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
1359 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
1360 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
1361 purge_all_dead_edges): Move to ....
1362 * cfgrtl.c: New file; .... Here.
1364 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
1365 (reroder_basic_block): Use alloc_aux_for_blocks.
1366 * predict.c (estimate_bb_frequencies): Likewise; use
1367 alloc_aux_for_edges.
1368 * profile.c (compute_branch_probabilities): Likewise.
1369 (branch_prob): Likewise.
1370 * reg-stack.c (reg_to_stack): Likewise.
1372 * emit-rtl.c (emit_insns_after): Never return NULL.
1374 * basic-block.h (set_block_for_new_insns): Delete.
1375 * cfgrtl.c (set_block_for_new_insns): Delete.
1377 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
1378 calls when crossjumping.
1380 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
1381 * unroll.c (copy_loop_body): Use delete_insn.
1383 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
1384 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
1385 keep_stack_depressed): Likewise.
1386 * gcse.c (cprop_cc0_jump): Likewise.
1387 * local-alloc.c (update_equiv_regs): Likewise.
1388 * loop.c (scan_loop, loop_delete_insns): Likewise.
1389 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
1390 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
1391 delete_output_reload, delete_address_reloads_1,
1392 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
1394 * sibcall.c (replace_call_placeholder): Likewise.
1395 * cse.c (cse_insn): Likewise.
1397 2001-09-25 Bernd Schmidt <bernds@redhat.com>
1399 From Graham Stott <grahams@redhat.com>
1400 (def_builtin): Only define builtins appropriate for target_flags. All
1402 (builtin_decsription): Add new field mask which is used to determine
1403 when to define the builtin via the macro def_builtin.
1405 (bdesc_comi): Initialise new mask fields.
1406 (bdesc_2srg): Likewise.
1407 (bdesc_1arg): Likewise.
1409 * config/i386/i386.c (ix86_init_builtins): Correct return type
1410 building v4hi_ftype_v4hi_int_int tree node.
1411 (ix86_expand_sse_comi): Fix typo swapping operands.
1412 Don't swap comparision condition, it is already swapped.
1413 (ix86_expand_sse_compare): Before swapping operands
1414 move operand 1 into new rtx and not the target rtx.
1415 Don't swap comparison condition, it is already swapped.
1416 Always check whether we need to create a new TARGET.
1418 * config/i386/i386.md: (sse_comi) Fix typos.
1419 (sse_ucomi): Likewise.
1420 (cvtss2si): Fix operand 0 contraint.
1421 (cvttss2si): Likewise.
1422 (sse_unpckhps): Fix mode for operand 2.
1423 (sse_unpcklps): Likewise.
1425 2001-09-25 Graham Stott <grahams@redhat.com>
1427 * sibcall.c (skip_copy_to_return_value): Tighten return value
1430 2001-09-24 David Edelsohn <edelsohn@gnu.org>
1432 * rs6000.c (lwa_operand): Address must be word aligned.
1434 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1436 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
1437 number has been set.
1438 (type_hash_mark): Mark type itself.
1440 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
1442 * c-lex.c (cb_def_pragma): Update.
1443 (c_lex): Update, and skip padding.
1444 * cppexp.c (lex, parse_defined): Update, remove unused variable.
1445 * cpphash.h (struct toklist): Delete.
1446 (union utoken): New.
1447 (struct cpp_context): Update.
1448 (struct cpp_reader): New members eof, avoid_paste.
1449 (_cpp_temp_token): New.
1450 * cppinit.c (cpp_create_reader): Update.
1451 * cpplex.c (_cpp_temp_token): New.
1452 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
1453 (cpp_output_token): Don't print leading whitespace.
1454 (cpp_output_line): Update.
1455 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
1456 do_include_common, do_line, do_ident, do_pragma,
1457 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
1458 parse_assertion): Update.
1459 (get_token_no_padding): New.
1460 * cpplib.h (CPP_PADDING): New.
1461 (AVOID_LPASTE): Delete.
1462 (struct cpp_token): New union member source.
1463 (cpp_get_token): Update.
1464 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
1465 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
1466 replace_args, quote_string, stringify_arg, parse_arg, next_context,
1467 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
1468 _cpp_backup_tokens, _cpp_create_definition): Update.
1469 (push_arg_context): Delete.
1470 (padding_token, push_token_context, push_ptoken_context): New.
1471 (make_string_token, make_number_token): Update, rename.
1472 (cpp_get_token): Update to handle tokens as pointers to const,
1473 and insert padding appropriately.
1474 * cppmain.c (struct printer): New member prev.
1475 (check_multiline_token): Constify.
1476 (do_preprocessing, cb_line_change): Update.
1477 (scan_translation_unit): Update to handle spacing.
1478 * scan-decls.c (get_a_token): New.
1479 (skip_to_closing_brace, scan_decls): Update.
1480 * fix-header.c (read_scan_file): Update.
1482 * doc/cpp.texi: Update.
1484 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1486 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
1487 leak by passing malloc'ed pointer to reconcat, not concat.
1489 2001-09-24 DJ Delorie <dj@redhat.com>
1491 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
1493 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
1495 * flow.c (delete_dead_jumptables): Delete jumptable if the only
1496 reference is from the literal pool.
1498 2001-09-24 Janis Johnson <janis187@us.ibm.com>
1500 * doc/install.texi (Final install): Request additional information
1501 in mail about successful builds.
1503 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1505 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
1506 initial value of return pointer register instead of value in frame-20.
1509 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1511 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
1512 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
1513 the libcall if there isn't a referenced identifier for the symbol.
1515 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1517 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
1518 non 64-bit machines. Use these as a plabel for the trampoline.
1519 (TRAMPOLINE_SIZE): Adjust size for new words.
1520 (INITIALIZE_TRAMPOLINE): Initialize new words.
1521 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
1522 pointer to the plabel in the trampoline.
1524 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1526 * pa.c (function_arg): Pass floating arguments in both general and
1527 floating registers in indirect (dynamic) calls when generating code
1528 for the 32 bit ABI and the HP assembler.
1530 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1532 * doc/install.texi: Markup fixes.
1533 Use Solaris 2, SunOS 4 as appropriate.
1534 (Specific, *-*-solaris2*): Explain this.
1535 Unconditionally warn against /usr/ucb tools.
1536 Remove Sun as warning, obsolete.
1537 Move X11 header bug workaround here, update patches.
1538 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
1539 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
1541 2001-09-23 Zack Weinberg <zack@codesourcery.com>
1543 * errors.h (warning, error, fatal, internal_error): Don't mark
1544 with ATTRIBUTE_PRINTF_n.
1545 * toplev.h (internal_error, fatal_io_error, warning, error,
1546 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
1547 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
1550 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1552 * function.c (pop_function_context_from): var_refs_queue
1553 and temp slots now in GC memory.
1554 (mark_function_status, free_after_compilation): Likewise;
1555 also struct function now in GC memory.
1556 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
1557 (combine_temp_slots): Likewise.
1558 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
1559 (prepare_function_start): Use GC memory for struct function.
1560 (mark_temp_slot): Deleted.
1561 (gcc_mark_struct_function): struct function now in GC memory.
1563 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
1564 code for division, not modulus.
1566 * rtl.def (MEM): Remove obsolete part of comment.
1568 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
1570 * c-format.c (init_function_format_info): Check __builtin_printf
1571 and __builtin_fprintf even if -ffreestanding. Check C99 functions
1574 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1576 * c-common.c (format_attribute_table): Remove decl.
1577 * tree.h (format_attribute_table, lang_attribute_table): New decls.
1578 (lang_attribute_common): Likewise.
1580 * function.c (fix_lexical_address): Use set_mem_alias_set.
1581 (expand_function_start): Likewise.
1582 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
1584 * varasm.c (output_constant): Fix unused variable warning.
1586 * attribs.c: New file, from c-common.c.
1587 (attribute_tables): Now four elements.
1588 (format_attribute_table, lang_attribute_common): New variables.
1589 (init_attributes): Reflect above changes.
1590 (handle_mode_attribute): Delete check for wider than uintmax.
1591 * c-common.c: Delete parts moved to attribs.c.
1592 (enum attrs): Deleted; unused.
1593 (c_format_attribute_table): New variable.
1594 (c_common_lang_init): Initialize format_attribute_table with it.
1595 * c-common.h (decl_attributes): Remove decl.
1596 * tree.h (decl_attribute): Move it to here.
1597 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
1598 (attribs.o): New rule.
1600 2001-09-22 Andreas Jaeger <aj@suse.de>
1602 * builtins.c (c_getstr): Remove unused variable.
1604 2001-09-21 Richard Henderson <rth@redhat.com>
1606 * reload1.c (reload): Use delete_insn instead of splatting
1609 2001-09-21 Richard Henderson <rth@redhat.com>
1611 * reload.c (push_secondary_reload): Don't check for "=" in output
1612 constraint after ""->ALL_REGS check.
1614 2001-09-21 Richard Henderson <rth@redhat.com>
1616 * predict.c (expected_value_to_br_prob): Use pc_set.
1618 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
1619 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
1621 2001-09-21 Richard Henderson <rth@redhat.com>
1623 * rtl.h (LCT_RETURNS_TWICE): New.
1624 * calls.c (emit_call_1): Set current_function_calls_setjmp for
1626 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
1627 to ECF_RETURNS_TWICE.
1628 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
1631 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
1633 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
1634 (JMP_BUF_SIZE): New.
1636 2001-09-21 Richard Henderson <rth@redhat.com>
1638 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
1641 2001-09-21 Richard Henderson <rth@redhat.com>
1643 * tree.def (FDESC_EXPR): New.
1644 * expr.c (expand_expr): Handle it.
1645 * varasm.c (initializer_constant_valid_p): Likewise.
1646 (output_constant): Likewise.
1647 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1648 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1649 (ASM_OUTPUT_FDESC): New.
1650 * doc/tm.texi: Document the new macros.
1652 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1654 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
1655 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
1656 once merging is complete.
1658 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1660 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
1662 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1664 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
1665 that would be invalid after a merge.
1667 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
1669 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
1670 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
1672 (flow_delete_insn): This one.
1673 (delete_insn_chain): Rename from ...; do not care labels.
1674 (flow_delete_insn_chain): ... this one.
1675 (flow_delete_block): Remove the insns one BB has been expunged.
1676 (merge_blocks_nomove): Likewise.
1677 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
1678 updating BB boundaries.
1679 (tidy_fallthru_edge): Likewise.
1680 (commit_one_edge_insertion): Likewise.
1681 * cfgbuild.c (find_basic_block): Likewise.
1682 (find_basic_blocks_1): Likewise.
1683 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
1684 (try_crossjump_to_edge): Likewise.
1685 (try_optimize_cfg): Likewise.
1686 * cse.c (delete_trivially_dead_insns): Likewise.
1687 * df.c (df_insn_delete): Likewise.
1688 * doloop.c (doloop_modify): Use delete_related_insns.
1689 * emit-rtl.c (try_split): Likewise.
1690 (remove_insn): Update BB boundaries.
1691 * expect.c (connect_post_landing_pads): Use delete_related_insns.
1692 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
1693 updating BB boundaries.
1694 (propagate_block_delete_insn): Likewise.
1695 (propagate_block_delete_libcall): Likewise.
1696 * function.c (delete_handlers): Use delete_related_insns.
1697 (thread_prologue_and_epilogue_insns): Likewise.
1698 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
1699 * genpeep.c (gen_peephole): Use delete_related_insns.
1700 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
1702 (find_cond_trap): Likewise.
1703 * integrate.c (save_for_inline): Use delete_related_insns.
1704 (copy_insn_list): Likewise.
1705 * jump.c (pruge_linie_number_notes): Likewise.
1706 (duplicate_loop_exit_test): Likewise.
1707 (delete_computation): Likewise.
1708 (delete_related_insn): Rename from ...; use delete_insn
1709 (delete_insn): ... this one.
1710 (redirect_jump): Use delete_related_insns.
1711 * loop.c (scan_loop): Likewise.
1712 (move_movables): Likewise.
1713 (find_and_verify_loops): Likewise.
1714 (check_dbra_loop): Likewise.
1715 * recog.c (peephole2_optimize): Likewise.
1716 * reg-stack.c (delete_insn_for_stacker): Remove.
1717 (move_for_stack_reg): Use delete_insn.
1718 * regmove.c (combine_stack_adjustments_for_block): Likewise.
1719 * reload1.c (delete_address_reloads): Use delete_related_insns.
1720 (fixup_abnormal_edges): Use delete_insn.
1721 * recog.c (emit_delay_sequence): Use delete_related_insns.
1722 (delete_from-delay_slot): Likewise.
1723 (delete_scheduled_jump): likewise.
1724 (optimize_skip): Likewise.
1725 (try_merge_delay_insns): Likewise.
1726 (full_simple_delay_slots): Likewise.
1727 (fill_slots_from_thread): Likewise.
1728 (relax_delay_slots): Likewise.
1729 (make_return_insns): Likewise.
1730 (dbr_schedule): Likewise.
1731 * rtl.h (delete_insn): Rename to delete_related_insns.
1732 (delete_insn, delete_insn_chain): New prototypes.
1733 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
1734 by df_insn_delete already.
1735 * ssa-dce.c (delete_insn_bb): Use delete_insn.
1736 * ssa.c (convert_from_ssa): Use delete_related_insns.
1737 * unroll.c (unroll_loop): Likewise.
1738 (calculate_giv_inc): Likewise.
1739 (copy_loop_body): Likewise.
1741 * i386-protos.h (ix86_libcall_value, ix86_function_value,
1742 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1743 ix86_return_in_memory, ix86_function_value): Declare.
1744 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
1745 new static valurables.
1746 (x86_64_reg_class): New enum
1747 (x86_64_reg_class_name): New array.
1748 (classify_argument, examine_argument, construct_container,
1749 merge_classes): New static functions.
1750 (optimization_options): Enable flag_omit_frame_pointer and disable
1751 flag_pcc_struct_return on 64bit.
1752 (ix86_libcall_value, ix86_function_value,
1753 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1754 ix86_return_in_memory, ix86_function_value): New global functions.
1755 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
1756 (function_arg_advance): Handle x86_64 passing conventions.
1757 (function_arg): Likewise.
1758 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
1759 (RETURN_IN_MEMORY): Move offline.
1760 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
1761 (FUNCTION_VALUE_REGNO_P): New macro.
1762 (FUNCTION_ARG_REGNO_P): Move offline.
1763 (struct ix86_args): Add maybe_vaarg.
1764 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
1765 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
1767 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
1769 * s390.md: Changed attributes for scheduling.
1770 * s390.c: (s390_adjust_cost, s390_adjust_priority)
1773 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
1775 Table-driven attributes.
1776 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
1777 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
1778 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
1779 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
1780 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
1781 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
1782 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
1783 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
1784 * tree.h (struct tree_decl): Change machine_attributes to
1786 * doc/c-tree.texi: Document that all attributes are now attached
1788 * c-common.c (add_attribute, attrtab, attrtab_idx,
1789 default_valid_lang_attribute, valid_lang_attribute): Remove.
1790 (attribute_tables, attributes_initialized,
1791 c_common_attribute_table, default_lang_attribute_table): New
1793 (handle_packed_attribute, handle_nocommon_attribute,
1794 handle_common_attribute, handle_noreturn_attribute,
1795 handle_unused_attribute, handle_const_attribute,
1796 handle_transparent_union_attribute, handle_constructor_attribute,
1797 handle_destructor_attribute, handle_mode_attribute,
1798 handle_section_attribute, handle_aligned_attribute,
1799 handle_weak_attribute, handle_alias_attribute,
1800 handle_no_instrument_function_attribute,
1801 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
1802 handle_no_limit_stack_attribute, handle_pure_attribute): New
1804 (init_attributes, decl_attributes): Rewrite to implement
1805 table-driven attributes.
1806 * c-common.h (enum attribute_flags): Move to tree.h.
1807 * c-format.c (decl_handle_format_attribute,
1808 decl_handle_format_arg_attribute): Rename to
1809 handle_format_attribute and handle_format_arg_attribute. Update
1810 for table-driven attributes.
1811 * c-common.h (decl_handle_format_attribute,
1812 decl_handle_format_arg_attribute): Remove prototypes.
1813 (handle_format_attribute, handle_format_arg_attribute): Add
1815 * c-decl.c (grokdeclarator): Handle attributes nested inside
1817 * c-parse.in (setattrs, maybe_setattrs): Remove.
1818 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
1819 Update to handle nested attributes properly.
1820 (maybe_resetattrs, after_type_declarator,
1821 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
1822 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
1824 (make_pointer_declarator): Update to handle nested attributes
1826 * doc/extend.texi: Update documentation of limits of attributes
1827 syntax. Warn about problems with attribute semantics in C++.
1828 * target.h (struct target): Remove valid_decl_attribute and
1829 valid_type_attribute. Add attribute_table and
1830 function_attribute_inlinable_p.
1831 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
1832 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
1833 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
1835 (TARGET_INITIALIZER): Update.
1836 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
1838 (function_attribute_inlinable_p): New function. Check for the
1839 presence of any machine attributes before using
1840 targetm.function_attribute_inlinable_p.
1841 (function_cannot_inline_p): Update.
1842 * Makefile.in (integrate.o): Update dependencies.
1843 * doc/tm.texi: Update documentation of target attributes and
1844 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
1845 * tree.c (default_valid_attribute_p, valid_machine_attribute):
1847 (default_target_attribute_table,
1848 default_function_attribute_inlinable_p): New.
1849 (lookup_attribute): Update comment to clarify handling of multiple
1850 attributes with the same name.
1851 (merge_attributes, attribute_list_contained): Allow multiple
1852 attributes with the same name but different arguments to appear in
1853 the same attribute list.
1854 * tree.h (default_valid_attribute_p): Remove prototype.
1855 (struct attribute_spec): New.
1856 (default_target_attribute_table): Declare.
1857 (enum attribute_flags): Move from c-common.h. Add
1858 ATTR_FLAG_TYPE_IN_PLACE.
1859 (default_function_attribute_inlinable_p): Declare.
1860 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
1861 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1862 (TARGET_ATTRIBUTE_TABLE): Define.
1863 (vms_attribute_table): New.
1864 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
1865 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1866 (TARGET_ATTRIBUTE_TABLE): Define.
1867 (arc_attribute_table, arc_handle_interrupt_attribute): New.
1868 * config/arm/arm.c (arm_valid_type_attribute_p,
1869 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
1871 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1873 (TARGET_ATTRIBUTE_TABLE): Define.
1874 (arm_attribute_table, arm_handle_fndecl_attribute,
1875 arm_handle_isr_attribute): New.
1876 * config/avr/avr.c (avr_valid_type_attribute,
1877 avr_valid_decl_attribute): Remove.
1878 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
1880 (TARGET_ATTRIBUTE_TABLE): Define.
1881 (avr_attribute_table, avr_handle_progmem_attribute,
1882 avr_handle_fndecl_attribute): New.
1883 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
1884 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1885 (TARGET_ATTRIBUTE_TABLE): Define.
1886 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
1887 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
1888 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1889 (TARGET_ATTRIBUTE_TABLE): Define.
1890 (h8300_attribute_table, h8300_handle_fndecl_attribute,
1891 h8300_handle_eightbit_data_attribute,
1892 h8300_handle_tiny_data_attribute): New.
1893 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
1894 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
1896 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
1898 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
1899 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1901 (TARGET_ATTRIBUTE_TABLE): Define.
1902 (ix86_attribute_table, ix86_handle_cdecl_attribute,
1903 ix86_handle_regparm_attribute): New.
1904 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
1905 i386_pe_valid_type_attribute_p): Remove.
1906 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
1907 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
1908 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1909 (TARGET_ATTRIBUTE_TABLE): Define.
1910 (ia64_attribute_table): New.
1911 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
1912 interrupt_ident2, model_ident1, model_ident2): Remove.
1913 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1914 (TARGET_ATTRIBUTE_TABLE): Define.
1915 (init_idents): Update.
1916 (m32r_attribute_table, m32r_handle_model_attribute): New.
1917 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
1919 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1920 (TARGET_ATTRIBUTE_TABLE): Define.
1921 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
1922 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
1923 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1924 (TARGET_ATTRIBUTE_TABLE): Define.
1925 (mcore_attribute_table, mcore_handle_naked_attribute): New.
1926 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
1927 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1928 (TARGET_ATTRIBUTE_TABLE): Define.
1929 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
1930 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
1931 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1932 (TARGET_ATTRIBUTE_TABLE): Define.
1933 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
1934 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
1935 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1936 (TARGET_ATTRIBUTE_TABLE): Define.
1937 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
1938 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1940 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
1942 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
1943 (TARGET_ATTRIBUTE_TABLE): Define.
1944 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
1946 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
1947 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1948 (TARGET_ATTRIBUTE_TABLE): Define.
1949 (v850_attribute_table, v850_handle_interrupt_attribute,
1950 v850_handle_data_area_attribute): New.
1951 * config/v850/v850-c.c (mark_current_function_as_interrupt):
1952 Return void. Call decl_attributes instead of
1953 valid_machine_attribute.
1955 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
1957 * sh-protos.h (sh_pr_n_sets): Declare.
1958 * sh.c (calc_live_regs): If the initial value for PR has been copied,
1959 look at the copy to determine if PR needs to be saved.
1960 sh_pr_n_sets: New function.
1961 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
1962 (ALLOCATE_INITIAL_VALUE): Define.
1964 * sh.c (initial_elimination_offset):
1965 Fix RETURN_ADDRESS_POINTER_REGNUM case.
1967 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
1969 * integrate.c (allocate_initial_values): New function.
1970 * integrate.h (allocate_initial_values): Declare.
1971 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
1973 * reload1.c (reload): And initialization of reg_equiv_memory_loc
1975 * toplev.c (rest_of_compilation): To here.
1976 Call allocate_initial_values.
1977 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
1979 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1981 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
1983 2001-09-20 DJ Delorie <dj@redhat.com>
1985 * c-typeck.c (really_start_incremental_init): Discriminate
1986 between zero-length arrays and flexible arrays.
1987 (push_init_level): Detect zero-length arrays and handle them
1988 like fixed-sized arrays.
1989 * expr.c (store_constructor): Handle zero-length arrays and
1990 flexible arrays correctly.
1991 * doc/extend.texi: Update zero-length array notes.
1993 2001-09-20 Jim Wilson <wilson@redhat.com>
1995 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
1996 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
1997 for issue port conflicts.
1998 (cycle_end_fill_slots): TYPE_L instructions take two slots.
2000 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
2002 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
2005 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2007 * fold-const.c (hashtab.h): Include.
2008 (int_const_binop): Remove FORSIZE arg and compute from type; all
2010 Call size_int_type_wide for all single-word constants.
2011 (size_htab_hash, size_htab_eq): New functions.
2012 (size_int_type_wide): Rework to use hash table.
2013 * ggc-common.c (hashtab.h): Include.
2014 (struct d_htab_root): New struct.
2015 (d_htab_roots): New variable.
2016 (ggc_add_deletable_htab, ggc_htab_delete): New functions
2017 (ggc_mark_roots): Handle deletable htabs.
2018 * ggc-page.c (ggc_marked_p): New function.
2019 * ggc-simple.c (ggc_marked_p): Likewise.
2020 * ggc.h: Reformatting throughout.
2021 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
2022 * tree.c (init_obstacks): Make type_hash_table a deletable root.
2023 (type_hash_add): Allocate struct type_hash from GC memory.
2024 (mark_hash_entry, mark_type_hash): Deleted.
2025 (type_hash_marked_p, type_hash_mark): New functions.
2026 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
2028 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
2030 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
2033 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2035 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
2036 array-too-large test for signed sizetype.
2038 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2040 * i386.md (indirect_jump): Allow Pmode operand.
2041 (tablejump): LIkewise; perform expansion to 64bit mode.
2042 * i386.c (symbolic_operand): Allow 64bit PIC references.
2043 (pic_symbolic_operand): Likewise.
2044 (ix86_find_base_term): Strip the 64bit PIC references.
2045 (legitimate_pic_address_disp_p): Handle 64bit PIC.
2046 (legitimize_pic_address): Likewise.
2047 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
2048 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
2050 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
2052 * stringpool.c (get_identifier_with_length): New function.
2053 * tree.h (get_identifier_with_length): New prototype.
2055 2001-09-19 Alan Modra <amodra@bigpond.net.au>
2056 David Edelsohn <edelsohn@gnu.org>
2059 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2060 already sign-extended.
2062 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
2063 * config/rs6000/rs6000.c (logical_operand): Always compare op as
2065 (rs6000_emit_set_long_const): Avoid unnecessary shift.
2066 (output_profile_hook): Declare label_name const.
2067 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
2068 to match constraints.
2070 2001-09-19 Stan Shebs <shebs@apple.com>
2072 * alias.c: Fix typos in comments.
2073 * sched-rgn.c (init_ready_list): Ditto.
2074 * unwind-dw2.c (uw_frame_state_for): Ditto.
2075 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
2076 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
2077 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
2079 2001-09-19 Richard Henderson <rth@redhat.com>
2081 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
2083 * Makefile.in (cfg.o): Depend on TM_P_H.
2085 2001-09-19 Richard Henderson <rth@redhat.com>
2087 * config/alpha/alpha.c (local_symbol_p): Split out from ...
2088 (local_symbolic_operand): ... here.
2089 (small_symbolic_operand): Check mode.
2090 (global_symbolic_operand): New.
2091 (input_operand): Reject symbolics if explicit relocs.
2092 (call_operand): Tidy.
2093 (alpha_legitimize_address): Use movdi_er_high_g.
2094 (alpha_expand_mov): Likewise.
2095 * config/alpha/alpha-protos.h: Update.
2096 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2097 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
2098 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
2099 (UNSPECV_LDGP2): Remove.
2100 (all call patterns): Use 's' not 'i' for symbolic constraint.
2101 (call_osf call_value_osf): Use call_operand.
2102 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
2103 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
2104 (prologue_ldgp_1_er): Remove.
2105 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
2106 (builtin_setjmp_receiver_er patterns): Use them.
2107 (exception_receiver_er): Likewise.
2109 2001-09-19 Richard Henderson <rth@redhat.com>
2111 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
2113 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
2114 and NON_LOCAL_GOTO notes.
2115 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
2116 copy over CALL_INSN_FUNCTION_USAGE.
2118 2001-09-18 Catherine Moore <clm@redhat.com>
2120 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
2123 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
2125 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
2126 new-style tm_file specification. Specify correct tm_p_file,
2127 md_file, and out_file for s390x.
2129 * config/s390/linux.h, linux64.h: Don't include other target
2130 macro header files. Now handled via tm_file.
2132 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
2133 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
2134 are defined before use.
2136 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
2138 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
2139 code generation only for Gnu assembler.
2141 2001-09-18 Catherine Moore <clm@redhat.com>
2143 * config/stormy16 (LIB_SPEC): Remove -lnosys.
2145 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
2147 * config/mips/mips.c (mips_frame_set): New.
2148 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
2149 a parallel frame-related expression with a set for each register.
2151 2001-09-18 Philip Blundell <philb@gnu.org>
2153 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
2156 2001-09-17 Dale Johannesen <dalej@apple.com>
2158 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
2159 * config/rs6000/aix.h (FIXED_R2): Define.
2160 * config/rs6000/darwin.h (FIXED_R2): Define.
2161 * config/rs6000/sysv4.h (FIXED_R2): Define.
2163 2001-09-17 Jeff Sturm <jsturm@one-point.com>
2165 * except.c (dw2_build_landing_pads): New local
2166 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
2167 barrier after clobbers. Fixes c++/4012.
2169 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2171 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
2173 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
2175 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
2176 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
2178 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2180 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
2183 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
2185 * cpphash.h (_cpp_lex_direct): New.
2186 * cpplex.c (_cpp_lex_token): Update.
2187 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
2188 and increment that pointer.
2189 * cppmacro.c (alloc_expansion_token): New.
2190 (lex_expansion_token): Lex macro expansion directly into
2193 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
2195 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
2197 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
2199 * basic-block.h (free_bb_for_insn): Declare.
2200 * bb-reorder.c (label_for_bb): Use block_label.
2201 (emit_jump_to_block_after): Remove.
2202 (insert_intra_1): Do not update block_for_insn.
2203 (insert_inter_bb_scope_notes): Likewise; update bb->end
2204 * cfg.c (free_bb_for_insn): New.
2205 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
2206 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
2207 (commit_one_edge_insertion): Likewise.
2208 (commit_one_edge_insertion): Do not update BB boundary.
2209 (commit_edge_insertions): Do not call compute_bb_for_insn.
2210 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
2211 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
2212 (merge_blocks_move_successor_nojumps): Likewise.
2213 (try_crossjump_to_edge): Do not update block_for_insn.
2214 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
2215 * df.c (df_pattern_emit_later): Do not update BB boundary.
2216 (df_jump_pattern_emit_after): Likewise.
2217 (df_insn_move_before): Use emit_insn_before.
2218 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
2220 (add_insn_after, add_insn_before, emit_insns_after): Update BB
2221 boundaries and basic_block_for_insn.
2222 (reorder_insns_nobb): Rename from reorder_insns.
2223 (reorder_insns): New.
2224 (emit_block_insn_before, emit_block_insn_after): Kill.
2225 * flow.c (check_function_return_warnings): Do not call
2226 compute_bb_for_insn; Do not free basic_block_for_insn.
2227 (attempt_auto_inc): Do not update basic_block_for_insn.
2228 * function.c (emit_return_into_block): Likewise;
2229 do not update BB boundaries.
2230 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
2231 (insert_insn_end_bb): Use emit_insn_before; Likewise.
2232 (pre_insert_copy_insn): Likewise.
2233 (update_ld_motion_notes): Likewise.
2234 (insert_insn_start_bb): Likewise.
2235 (replace_store_insn): Likewise.
2236 * ifcvt.c (noce_process_if_block): Likewise.
2237 (if_convert): Do not call compute_bb_for_insn.
2238 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
2239 Use emit_insn_before and emit_insn_after.
2240 * recog.c (split_all_insns): Do not update BB boundaries;
2241 Do not call compute_bb_for_insn.
2242 (peephole2_optimize): Do not update BB boundaries.
2243 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
2245 (emit_swap_insn): Likewise.
2246 (convert_regs_1): Likewise.
2247 * reload1.c (reload): Call compute_bb_for_insn.
2248 * rtl.h (reorder_insns_nobb): Declare.
2249 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
2250 * toplev.c (rest_of_compilation): Call free_bb_for_insn
2251 at places CFG is invalidated; do not call compute_bb_for_insn.
2253 * cfg.c (expunge_block): Invalidate BB structure.
2255 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
2258 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
2260 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
2262 * cpphash.h (_cpp_lex_token): Update prototype.
2263 * cpplex.c (_cpp_lex_token): New prototype.
2264 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
2265 lex_macro_node, read_flag, do_pragma_poison): Update.
2266 * cppmacro.c (cpp_get_token, parse_params,
2267 lex_expansion_token): Update.
2269 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
2271 * cppmain.c (scan_translation_unit): Don't worry about
2272 putting a space after hashes.
2273 * cpplib.c (directive_diagnostics): New.
2274 (_cpp_handle_directive): Update to use directive_diagnostics.
2275 (run_directive): Don't toggle prevent_expansion.
2276 (do_line): Backup in case of the line extension.
2277 * cpplib.h (cpp_lexer_pos): Remove.
2278 * cppmacro.c (_cpp_create_definition): Precede a leading #
2281 2001-09-15 Richard Henderson <rth@redhat.com>
2283 * c-typeck.c (comptypes): Handle zero-length arrays properly.
2285 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2287 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
2289 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
2291 PR preprocessor/3571
2292 * tradcpp.c (handle_directive): Skip non-vertical space.
2294 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
2296 * cppmain.c (setup_callbacks): Set line callback only
2297 if outputting preprocessed source.
2299 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2301 * collect2.c (main): Const-ification.
2302 * gcc.c (translate_options, process_command): Use xstrdup in
2303 lieu of xmalloc/strcpy.
2304 (main): Use concat in lieu of xmalloc/strcpy/strcat.
2306 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2308 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
2311 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
2313 * scan-decls.c (scan_decls): Fix typo.
2315 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
2317 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
2318 Split mlstring_pos into mls_line and mls_col.
2319 * cppinit.c (cpp_create_reader): Initialize line to 1.
2320 (cpp_destroy): Free tokenruns.
2321 (push_include): Don't update lexer_pos.
2322 * cpplex.c (unterminated, parse_string): Update.
2323 (lex_token): Don't update lexer_pos, update.
2324 * cpplib.c (if_stack): Save line instead of line + col.
2325 (start_directive, _cpp_do__Pragma, do_else, do_elif,
2326 push_conditional, _cpp_pop_buffer): Update.
2327 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
2328 (_cpp_create_definition): Update.
2330 2001-09-15 Eric Christopher <echristo@redhat.com>
2332 * config/mips/abi64.h: Add support for MEABI.
2334 2001-09-15 Eric Christopher <echristo@redhat.com>
2336 * config/mips/mips.md: Add unspec #2.
2338 (reload_outdi): Ditto.
2339 (reload_outsi): Ditto.
2342 2001-09-15 Eric Christopher <echristo@redhat.com>
2343 Jason Eckhardt <jle@redhat.com>
2345 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
2346 * config/mips/isa32-linux.h: New file.
2347 * config/mips/isa3264.h: Ditto.
2348 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
2349 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
2350 (output_block_mode): Support MEABI.
2351 (function_arg): Ditto. Fix floating point arg passing.
2352 (mips_va_start): Ditto.
2353 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
2355 (mips_asm_file_start): Add new section to pass abi to gdb.
2356 (function_arg_pass_by_reference): Support MEABI.
2357 (mips_parse_cpu): Support mips32 and mips64 processors.
2358 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
2359 TARGET_MIPS5KC. Support isa32 and isa64.
2360 (processor_type): Add r4kc, r5kc, r20kc.
2361 (GENERATE_MULT3_SI): New.
2362 (GENERATE_MULT3_DI): Ditto.
2363 (GENERATE_MULT3): Remove.
2364 (ISA_HAS_64BIT_REGS): Add isa == 64.
2365 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
2366 (ISA_HAS_MADD_MSUB): New.
2367 (ISA_HAS_CLZ_CLO): Ditto.
2368 (ISA_HAS_DCLZ_DCLO): Ditto.
2369 (ABI_GAS_ASM_SPEC): New.
2370 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
2373 (SUBTARGET_CC1_SPEC): Ditto.
2374 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
2375 (PAD_VARARGS_DOWN): Support MEABI.
2376 (HARD_REGNO_NREGS): Move to mips.c.
2377 (ASM_OUTPUT_IDENT): Add #undef.
2378 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
2379 (mulsi3): Use GENERATE_MULT3_SI.
2380 (mulsi3_mult3): Ditto. Support mips32, mips64.
2381 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
2382 (mul_sub_si): New pattern.
2383 (unnamed splitters): New.
2384 (muldi3): Use GENERATE_MULT3_DI.
2385 (muldi3_internal2): Ditto.
2386 (movdicc): Support mips32.
2387 * config/mips/t-isa3264: New file.
2389 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
2391 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
2392 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
2393 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
2395 * reorg.c (fill_slots_from_thread): After call to
2396 steal_delay_list_from_target, update own_thread as new_thread may
2399 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
2401 * cpperror.c (print_location): Take line and column, for
2402 default positioning use the previously lexed token.
2403 (_cpp_begin_message): Take line and column.
2404 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2405 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2406 * cpphash.h (_cpp_begin_message): Update prototype.
2407 * cppinit.c (push_include): Don't set output line.
2408 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
2409 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
2410 (do_pragma): Kludge for front ends. Don't expand macros at all.
2411 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
2412 (struct cpp_token): Remove output_line.
2413 (struct cpp_callbacks): New member line_change.
2414 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
2415 cpp_get_token): Preserve BOL flag.
2416 (cpp_get_line): Remove.
2417 (_cpp_backup_tokens): Remove useless abort().
2418 * cppmain.c (cb_line_change): New.
2419 (scan_translation_unit): Don't worry about starting new lines here.
2420 * scan-decls.c (scan_decls): Update.
2421 * c-lex.c (c_lex, init_c_lex): Update.
2422 (cb_line_change, src_lineno): New.
2424 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
2426 * tree.c (append_random_chars): Generate the random
2427 characters in a reproducable fashion.
2429 2001-09-14 Richard Henderson <rth@redhat.com>
2431 * config/i386/i386.c (internal_label_prefix): New.
2432 (internal_label_prefix_len): New.
2433 (override_options): Set them.
2434 (local_symbolic_operand): New.
2435 (legitimate_pic_address_disp_p): Use it.
2436 (legitimize_pic_address): Likewise.
2438 2001-09-14 Marc Espie <espie@openbsd.org>
2440 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
2443 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2445 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
2446 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
2448 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
2450 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
2451 invocation of SUBREG_REGNO_OFFSET.
2453 * haifa-sched.c: Fix typo in FSF copyright statement.
2454 * sched-deps.c: Fix typo in FSF copyright statement.
2455 * sched-ebb.c: Fix typo in FSF copyright statement.
2456 * sched-rgn.c: Fix typo in FSF copyright statement.
2457 * sched-vis.c: Fix typo in FSF copyright statement.
2459 * config.gcc: Move inclusion of arm elf specific header files
2460 from the files themselves into the tm_file variable. Make
2461 sure that elfos.h is included before target specific elf
2463 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
2465 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
2466 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
2467 ASM_OUTPUT_CASE_LABEL): Protect definition.
2468 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
2469 not already defined.
2470 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
2471 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
2472 Remove duplicate definition.
2473 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
2474 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
2475 (RDATA_SECTION_FUNCTION): Remove redundant definition.
2476 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
2477 Remove inclusion of arm/elf.h.
2478 * config/arm/unknown-elf.h: as for conix-elf.h.
2479 (STARTFILE_SPEC): Include crti.o and crtn.o.
2480 * config/arm/linux-elf.h: as for conix-elf.h.
2481 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
2482 * config/arm/strongarm-elf.h: Remove inclusion of
2484 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
2485 * config/arm/unknown-elf-oabi.h: Remove inclusion of
2486 unknown-elf.h and elf.h.
2487 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
2488 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
2489 ASM_WEAKEN_LABEL): Remove redundant definition.
2490 * config/arm/elf.h: Test for inclusion of elfos.h
2491 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
2492 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
2493 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
2494 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
2495 redundant definition.
2496 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
2497 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
2498 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
2499 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
2500 Add rules to build crti.o and crtn.o
2501 * crti.asm: New file.
2502 * crtn.asm: New file.
2504 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
2506 * c-parse.in (_yylex): Use _cpp_backup_tokens.
2507 * cpphash.h (struct tokenrun): Add prev.
2508 (struct lexer_state): Remove bol.
2509 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
2510 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
2512 * cppinit.c (cpp_create_reader): Don't set bol.
2513 (cpp_destroy): Don't free lookaheads.
2514 * cpplex.c (lex_directive): Remove.
2515 (next_tokenrun): Update.
2516 (_cpp_lex_token): Clean up logic.
2517 (lex_token): Update to return a pointer to lexed token, since it
2518 can move to the start of the buffer. Simpify newline handling.
2519 * cpplib.c (SEEN_EOL): Update.
2520 (skip_rest_of_line): Remove lookahead stuff.
2521 (end_directive): Line numbers are already incremented. Revert
2522 to start of lexed token buffer if we can.
2523 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
2524 parse_answer): Use _cpp_backup_tokens.
2525 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
2526 instead. Don't check for EOL.
2527 (do_include_common, do_line, do_pragma_system_header): Use
2529 * cpplib.h (BOL, _cpp_backup_tokens): New.
2530 * cppmacro.c (save_lookahead_token, take_lookahead_token,
2531 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
2532 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
2533 (builtin_macro): Don't use cpp_get_line.
2534 (cpp_get_line): Short term kludge.
2535 (parse_arg): Handle directives in arguments here. Back up when
2536 appropriate. Store EOF at end of argument list.
2537 (funlike_invocation_p): Use _cpp_backup_tokens.
2538 (push_arg_context): Account for EOF at end of list.
2539 (cpp_get_token): Remove lookahead stuff. Update.
2541 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2543 * c-parse.in (yyerror): Const-ification and/or static-ization.
2544 * c-typeck.c (push_member_name): Likewise.
2545 * collect2.c (main): Likewise.
2546 * dbxout.c (dbxout_parms): Likewise.
2547 * diagnostic.c (format_with_decl): Likewise.
2548 * dwarf2out.c (output_ranges): Likewise.
2549 * dwarfout.c (fundamental_type_code): Likewise.
2550 * except.c (dw2_output_call_site_table): Likewise.
2551 * gcc.c (do_spec_1): Likewise.
2552 * genopinit.c (optabs): Likewise.
2553 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
2554 gen_declaration_1, handle_impent): Likewise.
2555 * protoize.c (default_include, in_system_include_dir, abspath):
2557 * sched-vis.c (visualize_stall_cycles): Likewise.
2558 * sdbout.c (plain_type_1, sdbout_end_function,
2559 sdbout_end_epilogue): Likewise.
2560 * varasm.c (decode_reg_name): Likewise.
2562 * 1750a.c (mod_regno_adjust): Likewise.
2563 * alpha.c (alpha_write_one_linkage,
2564 unicosmk_output_default_externs): Likewise.
2565 * arm.c (arm_condition_codes): Likewise.
2566 * arm.h (arm_condition_codes): Likewise.
2567 * avr.c (output_movsisf, encode_section_info): Likewise.
2568 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
2570 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
2571 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
2572 * m88k.c (output_function_profiler): Likewise.
2573 * mips.c (mips_output_conditional_branch): Likewise.
2574 * ns32k.c (ns32k_out_reg_names): Likewise.
2575 * ns32k.h (ns32k_out_reg_names): Likewise.
2576 * pj.c (pj_output_rval): Likewise.
2577 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
2578 * sparc.c (sparc_flat_function_prologue,
2579 sparc_flat_function_epilogue): Likewise.
2581 2001-09-13 Markus Werle <numerical.simulation@web.de>
2582 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2584 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
2585 Aachen University of Technology".
2587 2001-09-13 Andreas Schwab <schwab@suse.de>
2589 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
2592 2001-09-13 Richard Henderson <rth@redhat.com>
2594 * config/alpha/alpha.c (small_symbolic_operand): New.
2595 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
2596 (some_operand, input_operand): Don't handle HIGH.
2597 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
2598 (alpha_expand_mov): Likewise.
2599 (print_operand) [H]: Just print HIGH symbol.
2600 (print_operand_address): Handle small data.
2601 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
2602 (TARGET_SWITCHES): Add -msmall-data/large-data.
2603 (PIC_OFFSET_TABLE_REGNUM): New.
2604 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
2605 (PREDICATE_COES): Update.
2606 * config/alpha/alpha.md (adddi_er_high): New.
2607 (adddi_er_low): Handle small data.
2608 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
2609 prefer .sdata to .rodata.
2610 (SELECT_RTX_SECTION): Likewise.
2612 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
2614 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
2615 defining __size_t and leaving size_t undefined.
2617 2001-09-12 Diego Novillo <dnovillo@redhat.com>
2619 * basic-block.h (expunge_block): Declare.
2620 * cfg.c (expunge_block): Remove static declaration.
2622 2001-09-12 Richard Henderson <rth@redhat.com>
2624 * integrate.c (copy_insn_list): Copy label name from
2625 NOTE_INSN_DELETED_LABEL.
2627 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2629 * c-common.c (c_tree_code_name): Const-ification.
2630 * c-decl.c (c_decode_option): Likewise.
2631 * c-typeck.c (warn_for_assignment): Likewise.
2632 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
2634 * cppinit.c (output_deps): Likewise.
2635 * dependence.c (dependence_string, direction_string): Likewise.
2636 * dwarf2out.c (output_ranges): Likewise.
2637 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
2638 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
2639 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
2640 standard_startfile_prefix, standard_startfile_prefix_1,
2641 standard_startfile_prefix_2, tooldir_base_prefix,
2642 standard_bindir_prefix, find_a_file): Likewise.
2643 * genattrtab.c (make_length_attrs): Likewise.
2644 * gencheck.c (tree_codes): Likewise.
2645 * genemit.c (gen_split): Likewise.
2646 * genrecog.c (special_mode_pred_table): Likewise.
2647 * graph.c (graph_ext): Likewise.
2648 * protoize (default_include): Likewise.
2649 * reload.c (reload_when_needed_name): Likewise.
2650 * sched-vis.c (visualize_stall_cycles): Likewise.
2651 * tlink.c (recompile_files): Likewise.
2652 * toplev.c (decode_g_option): Likewise.
2653 * tradcpp.c (output_deps): Likewise.
2654 * varasm.c (decode_reg_name): Likewise.
2656 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
2659 * avr.c (avr_regnames, encode_section_info): Likewise.
2660 * c4x.c (float_reg_names): Likewise.
2661 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
2662 * elfos.h (const_section): Likewise.
2663 * i386.c (ix86_comp_type_attributes): Likewise.
2664 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
2665 * ia64/aix.h (UNIQUE_SECTION): Likewise.
2666 * ia64.c (type_names): Likewise.
2667 * m68hc11.c (reg_class_names): Likewise.
2668 * m88k.c (m_options): Likewise.
2669 * mips.c (mips_output_conditional_branch, mips_unique_section):
2671 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2672 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
2673 ultra_code_names): Likewise.
2674 * sparc.h (OVERRIDE_OPTIONS): Likewise.
2676 2001-09-12 Jakub Jelinek <jakub@redhat.com>
2678 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
2679 Use --fatal-warnings option for gas.
2680 * configure: Rebuilt.
2682 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2684 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
2686 2001-09-11 Jim Wilson <wilson@redhat.com>
2688 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
2690 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2692 * builtins.c (c_strlen): Treat an offset too large for a
2693 HOST_WIDE_INT as out of range.
2695 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
2697 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
2698 (EDGE_CRITICAL_P): New predicate.
2699 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
2701 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
2702 (dump_edge_info): Remove "crit".
2703 * cfganal.c (mark_critical_edges): Kill.
2704 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
2705 * cfgcleanup.c (cleanup_cfg): Likewise.
2706 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
2707 (find_spanning_tree): Likewise.
2708 * reg-stack.c (convert_regs_1): Likewise.
2709 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
2711 * basic-block.h (create_basic_block_structure): New.
2712 (create_basic_block): Update prototype.
2713 (force_nonfallthru): New.
2714 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
2715 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
2716 handle updating of block_for_insn, creating of empty BBs and BBs at
2717 the end of INSN chain.
2718 (create_basic_block): New function.
2719 (split_block): Use create_basic_block.
2720 (force_nonfallthru_and_redirect): Break out from ...; cleanup
2721 (redirect_edge_and_branch_force): ... here.
2722 (force_nonfallthru): New.
2723 (split_edge): Rewrite to use force_nonfallthru and create_block.
2724 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
2725 (find_basic_blocks): Free basic_block_for_insn.
2726 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
2728 * cfg.c: Fix formating.
2729 * cfgcleanup.c: Fix formating.
2730 (merge_blocks, tail_recursion_label_p): Return bool.
2731 (merge_blocks_move_predecessor_nojumps,
2732 merge_blocks_move_successor_nojumps): Return void.
2734 2001-09-11 Jakub Jelinek <jakub@redhat.com>
2736 * configure.in: Check whether assembler supports section merging.
2737 * config.in: Rebuilt.
2738 * configure: Rebuilt.
2739 * varasm.c (variable_section, output_constant_pool): Pass alignment
2740 to SELECT_SECTION and SELECT_RTX_SECTION.
2741 (mergeable_string_section): New.
2742 (mergeable_constant_section): New.
2743 (default_elf_asm_named_section): Output SECTION_MERGE and
2744 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2745 * output.h (mergeable_string_section): New.
2746 (mergeable_constant_section): New.
2747 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
2748 * toplev.c (flag_merge_constants): New.
2749 (f_options): Add -fmerge-constants and -fmerge-all-constants
2751 (toplev_main): Default to -fno-merge-constants if not optimizing.
2752 * flags.h (flag_merge_constants): Add extern.
2753 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
2754 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
2756 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
2757 Define if assembler has working .subsection -1 support.
2758 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
2759 Put constant into special SHF_MERGE sections if the linker should
2760 attempt to merge duplicates.
2761 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
2763 Put constant into special SHF_MERGE sections if the linker should
2764 attempt to merge duplicates.
2765 * config/alpha/elf.h: Likewise.
2766 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
2767 has working .subsection -1 support.
2768 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
2770 * config/svr3.h: Likewise.
2771 * config/darwin.h: Likewise.
2772 * config/arm/aof.h: Likewise.
2773 * config/arm/linux-elf.h: Likewise.
2774 * config/avr/avr.h: Likewise.
2775 * config/c4x/c4x.h: Likewise.
2776 * config/d30v/d30v.h: Likewise.
2777 * config/i386/dgux.h: Likewise.
2778 * config/i386/osfrose.h: Likewise.
2779 * config/i386/sco5.h: Likewise.
2780 * config/i386/svr3gas.h: Likewise.
2781 * config/ia64/aix.h: Likewise.
2782 * config/m32r/m32r.h: Likewise.
2783 * config/m68k/m68k.h: Likewise.
2784 * config/m88k/dgux.h: Likewise.
2785 * config/m88k/m88k.h: Likewise.
2786 * config/mcore/mcore-pe.h: Likewise.
2787 * config/mips/mips.h: Likewise.
2788 * config/pa/pa.h: Likewise.
2789 * config/pa/pa-linux.h: Likewise.
2790 * config/romp/romp.h: Likewise.
2791 * config/rs6000/sysv4.h: Likewise.
2792 * config/rs6000/xcoff.h: Likewise.
2793 * config/s390/linux.h: Likewise.
2794 * config/sparc/sparc.h: Likewise.
2795 * config/sparc/sysv4.h: Likewise.
2796 * config/stormy16/stormy16.h: Likewise.
2797 * config/v850/v850.h: Likewise.
2798 * config/vax/vms.h: Likewise.
2799 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
2800 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2801 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
2802 default_elf_asm_named_section for SHF_MERGE sections.
2804 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2806 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
2809 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
2811 * c-common.c (split_specs_attrs): Allow for empty attributes with
2812 empty TREE_PURPOSE. Fixes PR c/4294.
2814 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
2816 * basic-block.h (cached_make_edge, make_single_succ): New.
2817 (make_edge): Remove first parameter.
2818 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
2819 * cfg.c (cached_make_edge): Rename from make_edge; return newly
2820 created edge; use obstack allocation.
2821 (make_edge, make_single_succ_edge): New.
2822 (first_removed_edge): New static variable.
2823 (init_flow): Initialize first_removed_edge and n_edges.
2824 (clear_edges): Use remove_edge.
2825 (flow_delete_block): Likewise.
2826 (remove_edge): Add removed edges to the removed edges list.
2827 (split_block, redirect_edge_and_branch_force, split_edge):
2829 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
2830 (add_noreturn_fake_exit_edges): Likewise.
2831 (connect_infinite_loops_to_exit): Liekwise.
2832 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
2833 Use cached_make_edge.
2834 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
2835 * profile.c (branch_prob): Update make_edge call.
2836 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
2838 2001-09-11 Richard Henderson <rth@redhat.com>
2840 * config/alpha/alpha.c: Tidy formatting.
2841 (local_symbolic_operand): Verify mode.
2842 (alpha_sa_mask): Ignore unicos for eh_return.
2843 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
2844 * config/alpha/alpha.md (umk divsi patterns): Remove.
2845 (extendsfdf2): Remove unicos check.
2846 (tablejump): Merge vms and unicos code; always use direct set
2849 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2851 * config.gcc (alpha*-*-unicosmk*): New target.
2853 * config/alpha/alpha-protos.h (symbolic_operand,
2854 unicosmk_add_call_info_word, unicosmk_add_extern,
2855 unicosmk_defer_case_vector, unicosmk_unique_section,
2856 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
2857 unicosmk_asm_file_start, unicosmk_asm_file_end,
2858 unicosmk_output_common): Declare.
2860 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
2861 direct_return, function_arg, alpha_va_start, alpha_va_arg,
2862 alpha_does_function_need_gp, alpha_end_function): Support Cray
2864 (alpha_init_machine_status, alpha_mark_machine_status,
2865 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
2866 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
2867 unicosmk_asm_named_section, unicosmk_insert_attributes,
2868 unicosmk_section_type_flags, symbolic_operand,
2869 unicosmk_output_module_name, unicosmk_output_default_externs,
2870 unicosmk_output_dex, unicosmk_output_externs,
2871 unicosmk_output_addr_vec, unicosmk_ssib_name,
2872 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
2873 unicosmk_asm_file_end, unicosmk_output_common,
2874 unicosmk_section_type_flags, unicosmk_unique_section,
2875 unicosmk_add_call_info_word, unicosmk_text_section,
2876 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
2877 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
2878 unicosmk_dex_count, unicosmk_special_name): New.
2879 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
2880 TARGET_ABI_UNICOSMK.
2881 (get_aligned_mem, alpha_expand_unaligned_load,
2882 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
2883 alpha_expand_unaligned_store_words): Support big-endian mode.
2884 (print_operand): Likewise. New format specifier 't'. Use
2885 TARGET_AS_SLASH_BEFORE_SUFFIX.
2886 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
2887 (alpha_pv_save_size): Update with above change.
2888 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
2889 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
2892 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
2893 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
2894 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
2895 (EXTRA_CONSTRAINT): New constraint 'U'.
2896 (PREDICATE_CODES): Add symbolic_operand.
2898 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
2899 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
2900 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
2901 (integer division and modulus patterns): Split in default and
2903 (*divmodsi_internal, *divmoddi_internal): Disable for
2904 TARGET_ABI_UNICOSMK.
2905 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
2906 little-endian and big-endian versions.
2907 (ext, ins, msk): Likewise.
2908 (extv, extzv, insv): Support big-endian mode.
2909 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
2910 (call_umk, call_value_umk, *call_umk, tablejump_umk,
2911 *tablejump_umk_internal, *call_value_umk): New.
2912 (*movdi_nofix): Add pattern for loading an address into a register on
2913 TARGET_ABI_UNICOSMK.
2914 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
2915 (umk_mismatch_args, arg_home_umk): New.
2916 (various insns): Don't use mov, fmov, nop, fnop and unop.
2917 (realign): Support TARGET_ABI_UNICOSMK.
2919 * config/alpha/unicosmk.h: New file.
2920 * config/alpha/t-unicosmk: New file.
2922 * fixinc/inclhack.def (unicosmk_restrict): New.
2923 * fixinc/fixincl.x: Regenerate.
2925 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
2926 (wchar_t): Check for and define __WCHAR_T__.
2928 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
2930 * combine.c (simplify_shift_const): Treat shifts by the mode
2933 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
2935 * cpphash.h (struct tokenrun): New.
2936 (struct cpp_context): New member bol.
2937 (struct cpp_reader): New members.
2938 (_cpp_init_tokenrun): New.
2939 * cppinit.c (cpp_create_reader): Set up the token runs.
2940 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
2941 (lex_token): New internalised version of _cpp_lex_token. Don't
2942 handle directives or the multiple include opimisation here any
2943 more. Simply lex a token.
2944 * cpplib.c (run_directive): Clear bol.
2945 (_cpp_pop_buffer): Set bol.
2946 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
2949 2001-09-11 Michael Meissner <meissner@redhat.com>
2951 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
2952 give an error if the user uses -mfp32.
2953 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
2955 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
2956 floating point register size.
2957 (EXTRA_SPECS): Add CPP_FPR_SPEC.
2959 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
2960 HOST_WIDE_INT_PRINT_DEC to properly print the result of
2962 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2963 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2965 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
2967 * dbxout.c (dbxout_parms): Fix typo in comment.
2968 * unroll.c (loop_find_equiv_value): Ditto.
2969 * toplev.c (rest_of_compilation): Ditto.
2970 * loop.c (scan_loop): Ditto.
2971 * dwarf2out.c (struct dw_fde_struct): Ditto.
2973 2001-09-10 Zack Weinberg <zackw@panix.com>
2975 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
2976 copying identifier when we're just going to throw it away.
2977 (parse_identifier_slow): New routine to handle abnormal cases.
2978 (_cpp_lex_token): Update call site.
2980 * hashtable.c (ht_lookup): Don't assume that the string we've
2981 been given is NUL-terminated.
2982 * system.h: #define __builtin_expect(a, b) to (a) if not
2985 2001-09-10 Michael Meissner <meissner@redhat.com>
2987 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
2990 2001-09-10 David Edelsohn <edelsohn@gnu.org>
2992 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
2994 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2996 * builtins.c (c_getstr): Correct thinko in last change and further
2999 2001-09-10 Tim Freeman <tim@fungibole.com>
3001 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
3002 into varray's and register them as roots with the garbage
3003 collector so they are not collected too soon.
3005 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
3007 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
3009 * basic-block.h (flow_obstack, label_value_list,
3010 tail_recursion_label_list): Declare
3011 (tidy_fallthru_edges): Declare.
3012 (expunge_block, last_loop_beg_note): Delete.
3013 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
3015 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
3016 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
3017 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
3018 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
3019 expunge_block, flow_delete_block, compute_bb_for_insn,
3020 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
3021 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
3022 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
3023 try_redirect_by_replacing_jump, last_loop_beg_note,
3024 redirect_edge_and_branch, redirect_edge_and_branch_force,
3025 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
3026 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
3027 commit_edge_insertions, dump_flow_info, debug_flow_info,
3028 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
3029 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
3030 Move here from flow.c
3031 * cfganal.c: New file.
3032 (forwarder_block_p, can_fallthru, mark_critical_edges,
3033 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
3034 find_unreachable_blocks, create_edge_list, free_edge_list,
3035 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
3036 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
3037 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
3038 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
3039 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
3040 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
3041 Move here from flow.c
3042 * cfgbuild.c: New file
3043 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
3044 make_edges, find_basic_blocks_1, find_basic_blocks,
3045 find_sub_basic_blocks): Move here from flow.c
3046 * cfgcleanup.c: New file.
3047 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
3048 merge_blocks_move_predecessor_nojumps,
3049 merge_blocks_move_successor_nojumps, merge_blocks,
3050 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3051 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
3052 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
3054 * cfgloop.c: New file
3055 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
3056 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
3057 flow_loop_exit_edges_find, flow_loop_nodes_find,
3058 flow_loop_pre_header_scan, flow_loop_pre_header_find,
3059 flow_loop_tree_node_add, flow_loops_tree_build,
3060 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
3061 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
3062 Move here from flow.c
3063 * flow.c: Remove everything moved elsewhere
3064 * output.h (cleanup_cfg): Return bool.
3066 * bb-reorder.c (reorder_block_def): Remove 'index'.
3067 (insert_intra_1): Add argument BB, set block for new note.
3068 (make_reorder_chain): Do not depdent on BB indexes.
3069 (make_reorder_chain_1): Do not use BB indexes.
3070 (label_for_bb): Likewise; set BB for new insn.
3071 (emit_jump_to_block_after): Likewise.
3072 (fixup_reoder_chain): Sanity check that all basic blocks
3073 are chained; verify newly created insn chain; remove
3074 undocnitional jump simplifying; Do not use BB indexes;
3075 properly initialize count and frequency information;
3076 dump reordered sequence.
3077 (insert_intra_bb_scope_notes): update call of insert_intra_1.
3078 (insert_inter_bb_scope_notes): Set block for new insn.
3079 (reorder_basic_blocks): Dump flow info before reoredering.
3081 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3083 * alias.c (clear_reg_alias_info): Use K&R format definition.
3084 Avoid unsigned warning.
3085 * builtins.c: Use "unsigned int", not "unsigned".
3086 (target_char_cast): Use host_integerp and tree_low_cst.
3087 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
3088 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
3089 (c_getstr): Likewise.
3090 (std_expand_builtin_va_arg): Use int_size_in_bytes.
3091 (builtin_memcpy_read_str): Avoid unsigned warning.
3092 (expand_builtin_memcpy): Alignments are unsigned.
3093 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
3094 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
3095 * predict.c (expensive_function_p): LIMIT now unsigned.
3096 * resource.c (mark_target_live_regs): Make some vars unsigned.
3097 * sdbout.c: Use "unsigned int", not "unsigned".
3098 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
3099 (sdbout_source_line): Likewise.
3100 (sdbout_record_type_name): Remove "const" for NAME declaration.
3101 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
3103 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
3105 * calls.c (store_one_arg): Expand comment.
3107 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3109 * calls.c (store_one_arg): Make sure that the entire argument is
3110 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
3112 2001-09-09 Richard Henderson <rth@redhat.com>
3114 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
3116 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
3118 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
3120 2001-09-09 Richard Henderson <rth@redhat.com>
3122 * config/alpha/alpha.c (alpha_next_sequence_number): New.
3123 (alpha_this_literal_sequence_number): New.
3124 (alpha_this_gpdisp_sequence_number): New.
3125 (some_operand, input_operand): Add HIGH.
3126 (local_symbolic_operand): New.
3127 (alpha_encode_section_info): New.
3128 (alpha_legitimate_address_p): Allow LO_SUM.
3129 (alpha_legitimize_address): Generate HIGH+LO_SUM.
3130 (alpha_expand_mov): Likewise.
3131 (secondary_reload_class): Check memory_operand not general_operand
3133 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
3134 (alpha_expand_unaligned_store): Likewise.
3135 (alpha_expand_unaligned_load_words): Likewise.
3136 (alpha_expand_unaligned_store_words): Likewise.
3137 (alpha_expand_block_clear): Likewise.
3138 (print_operand): Handle %#, %*, %H.
3139 (print_operand_address): Handle LO_SUM.
3141 (alpha_does_function_need_gp): Use it.
3142 (alpha_expand_block_move): Fix signed compare warnings.
3143 (alpha_sa_mask, alpha_align_insns): Likewise.
3144 * config/alpha/alpha-protos.h: Update.
3145 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
3146 (MASK_EXPLICIT_RELOCS): New.
3147 (TARGET_SWITCHES): Add -mexplicit-relocs.
3148 (EXTRA_CONSTRAINT): Add 'T'.
3149 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
3150 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
3151 (ENCODE_SECTION_INFO): Out line.
3152 (REDO_SECTION_INFO_P): New.
3153 (STRIP_NAME_ENCODING): New.
3154 (ASM_OUTPUT_LABELREF): New.
3155 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
3156 (PREDICATE_CODES): Update.
3157 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
3158 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
3159 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
3160 builtin_setjmp_receiver_er, exception_receiver_1_er,
3161 call_value_osf_1_er): New patterns.
3162 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
3163 (movqi, movhi, movsi): Add explicit $31 base register to lda.
3164 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
3165 (FINAL_PRESCAN_INSN): New.
3167 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
3169 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
3171 2001-09-08 Andreas Jaeger <aj@suse.de>
3173 * i386.h (TARGET_SWITCHES): Fix description.
3175 2001-09-07 David Edelsohn <edelsohn@gnu.org>
3177 * rs6000.c (num_insns_constant): Compute number of instructions
3180 * doc/install.texi: Explain AIX exception handling work-around.
3181 Update URL for AIX fixes.
3183 2001-09-07 Jim Wilson <wilson@redhat.com>
3185 * alias.c (clear_reg_alias_info): New.
3186 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
3187 * rtl.h (clear_reg_alias_info): Declare.
3189 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3191 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
3193 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
3194 (m16m,edivm,emulm): Change declaration to match definition.
3196 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3198 * reload.c (push_reload): Check for subreg_lowpart_p instead of
3199 SUBREG_BYTE being 0 when determining if the inner part of a subreg
3202 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3204 * c-common.c (signed_or_unsigned_type): Handle machine mode types
3205 which have no corresponding C type.
3206 * fold_const.c (target_isinf,target_isnan,target_negative): Update
3207 the representation of 64-bit doubles to work with 64-bit ints.
3209 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
3211 * config/mips/mips.c (override_options): Do not override ISA when ABI
3212 specified if MIPS_CPU_STRING_DEFAULT was specified.
3214 2001-09-07 Richard Henderson <rth@redhat.com>
3216 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
3217 (express_from_1): Wrap lines.
3218 * rtlanal.c (commutative_operand_precedence): Rename from
3219 operand_preference; export.
3220 * rtl.h: Declare it.
3221 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
3222 (simplify_binary_operation): Invoke simplify_plus_minus on
3223 (CONST (PLUS ...)) as well.
3224 (struct simplify_plus_minus_op_data): New.
3225 (simplify_plus_minus_op_data_cmp): New.
3226 (simplify_plus_minus): Use them. Avoid infinite recursion with
3227 simplify_binary_operation wrt CONST.
3229 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
3231 * h8300-protos.h (general_operand_dst_push): Remove.
3232 * h8300.c (general_operand_dst_push): Likewise.
3233 * h8300.h (OK_FOR_T): Likewise.
3234 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
3235 * h8300.md (pushqi_h8300): New.
3236 (pushqi_h8300hs): Likewise.
3238 (pushhi_h8300): Likewise.
3239 (pushhi_h8300hs): Likewise.
3242 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3244 * genattrtab.c (attr_printf): First arg is unsigned.
3245 Clean up formatting of callers.
3247 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
3249 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
3252 2001-09-07 Andreas Jaeger <aj@suse.de>
3254 * i386.h (TARGET_SWITCHES): Fix descriptions.
3256 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3258 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
3260 2001-09-06 Ira Ruben <ira@apple.com>
3262 Remove OP_IDENTIFIER.
3263 * tree.def (OP_IDENTIFIER): Remove.
3264 * tree.c (tree_node_kind enum): Remove op_id_kind.
3265 (tree_node_kind_names): Remove "op_identifiers".
3266 (make_node): Remove OP_IDENTIFIER test.
3267 (build_op_identifier): Removed because it isn't being used.
3268 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
3269 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
3271 2001-09-06 Richard Henderson <rth@redhat.com>
3273 * simplify-rtx.c (simplify_binary_operation): Revert last change.
3275 2001-09-06 Richard Henderson <rth@redhat.com>
3277 * simplify-rtx.c (simplify_binary_operation): Simplify contents
3280 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3282 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
3283 number used for CR register.
3285 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
3286 Joern Rennecke (amylaar@cygnus.com)
3288 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
3289 * h8300.c (initial_offset): Handle offset between RP and FP.
3290 (h8300_return_addr_rtx): New function.
3291 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
3293 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
3294 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
3295 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
3296 (CAN_ELIMINATE, REGISTER_NAMES):
3297 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
3299 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
3301 Remove TYPE_NONCOPIED_PARTS.
3302 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
3303 (struct tree_type): Remove noncopied_parts.
3304 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
3305 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
3306 (fixed_type_p): Remove.
3307 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
3308 (expand_expr, MODIFY_EXPR): Likewise.
3309 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
3310 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
3312 2001-09-06 Alan Modra <amodra@bigpond.net.au>
3314 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
3316 (mask64_operand): Likewise.
3317 (includes_rldic_lshift_p): Likewise.
3318 (includes_rldicr_lshift_p): Likewise.
3320 2001-09-05 Ziemowit Laski <zlaski@apple.com>
3322 * objc/objc-act.c (build_message_expr): If a class method cannot
3323 be found, do not issue a warning if a corresponding instance
3324 method exists in the root class.
3326 2001-09-05 Richard Henderson <rth@redhat.com>
3328 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
3330 2001-09-05 Zack Weinberg <zack@codesourcery.com>
3332 * function.c (ggc_mark_struct_function): Mark f->outer.
3333 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
3334 * integrate.c (output_inline_function): ... not here.
3336 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
3338 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
3340 * i386.c (size_cost): New static variable.
3341 (override_function): Use size_cost when -Os is specified.
3343 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
3344 properly; Use current_function_calls_eh_return.
3345 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
3346 use leave to avoid depdendancy chain.
3348 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
3349 get BB loop_depth instead of computing it from LOOP notes.
3351 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
3353 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3355 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3356 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3357 UNALIGNED_DOUBLE_INT_ASM_OP): Define
3359 2001-09-05 Jeffrey A Law (law@cygnus.com)
3360 Jason Merrill (jason@redhat.com)
3362 * stor-layout.c (layout_type): Complain if an array's size can
3363 not be represented in a size_t.
3365 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
3367 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
3369 * gcc.c: (process_command) Add parentheses around assignment
3370 used as truth value.
3372 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
3374 * config/mips/mips.c (save_restore_insns): Don't mark any register
3375 save slots as unchanging if current_function_calls_eh_return.
3377 2001-09-05 Richard Henderson <rth@redhat.com>
3379 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
3380 * config/alpha/alpha-protos.h: Declare it.
3381 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
3382 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
3383 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
3384 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
3385 (REG_OK_FOR_BASE_P): Select one of the above.
3387 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
3389 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
3390 (crti.o): Prefix name of object file with $(T).
3393 2001-09-05 David S. Miller <davem@redhat.com>
3395 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
3396 * config/sparc/linux64.h: Likewise.
3398 2001-09-05 Andreas Jaeger <aj@suse.de>
3400 * doc/invoke.texi (i386 Options): -mwide-multiply is not
3401 available anymore, remove the documentation.
3402 (i386 Options): Fix typo, cleanup index entries.
3404 * prefix.c (concat): Remove, we can use the version from liberty.
3406 2001-09-05 Richard Henderson <rth@redhat.com>
3408 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
3409 New functions split out of md file expanders.
3410 * config/alpha/alpha-protos.h: Declare them.
3411 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
3413 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
3415 * cppmacro.c (funlike_invocation_p): No need to restore context.
3417 2001-09-04 Richard Henderson <rth@redhat.com>
3419 * reload.c (push_reload): Export.
3420 * reload.h (push_reload): Declare it.
3422 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
3423 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3424 * config/alpha/alpha.c (alpha_legitimize_address): New.
3425 (alpha_legitimize_reload_address): Likewise.
3426 * config/alpha/alpha-protos.h: Declare them.
3428 2001-09-04 Stan Shebs <shebs@apple.com>
3430 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
3431 * config/darwin.c (machopic_stub_name): Account for internally
3432 generated lib calls such as memcpy.
3434 2001-09-04 Richard Henderson <rth@redhat.com>
3436 * unwind.h (_UA_END_OF_STACK): New flag.
3437 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
3439 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
3441 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
3443 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
3445 * config/mips/mips.c (save_restore_insns): Change base_offset to
3446 fp_offset in second call to mips_emit_frame_related_store.
3448 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
3450 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
3451 sometimes be represented as a NOTE of type
3452 NOTE_INSN_DELETED_LABEL.
3453 (Insns): Document NOTE_INSN_DELETED_LABEL.
3455 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
3457 * c-common.h (tree_dump_index): Add more comments.
3458 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
3459 (dump_option_value_info): New struct.
3460 (dump_options): New array.
3461 (dump_switch_p): Parse switch options symbolically.
3462 * doc/invoke.texi (-fdump-ast): Rename to ...
3463 (-fdump-tree): ... here. Document that options are symbolic, and
3464 not all are applicable.
3466 2001-09-04 David S. Miller <davem@redhat.com>
3468 * config/sparc/sparc.md (define_splits): Kill constraints.
3470 Cleanup redundant and unused insn attributes.
3471 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
3472 binary, and move. Mark ialu as default.
3473 (commented out define_function_unit "alu"): Kill.
3474 (define_attr "use_clobbered"): Kill.
3475 (whole file): Kill address insn type references. Replace
3476 all unary/binary/move references with ialu.
3477 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
3478 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
3481 Simplify length insn attribute and make more judicious use
3482 of insn attribute defaulting.
3483 * config/sparc/sparc.md (all insns with length > one): Mark as
3484 insn type multi if real instructions, else use default if
3485 it is a forced splitter.
3486 (all insns with length == one): Use default insn length.
3487 (all insns of type ialu): Use default insn type.
3489 Fix erroneous insn attribute settings.
3490 (addx): Set insn type to misc.
3491 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
3492 const_umulsidi3_sp64): Set insn type to imul.
3494 Track SFmode vs DFmode insns according to UltraSPARC
3496 * config/sparc/sparc.md ("fptype"): New attribute, default
3498 (all DFmode single insns): Mark as fptype "double".
3500 2001-09-03 Jakub Jelinek <jakub@redhat.com>
3502 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
3504 2001-09-03 Richard Henderson <rth@redhat.com>
3506 * function.h (struct function): Add arg_pointer_save_area_init.
3507 * function.c (expand_function_end): Init arg_pointer_save_area.
3508 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
3509 when called from a nested function.
3511 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
3513 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
3516 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3518 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
3520 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
3522 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
3523 (emit_push_insn): Use specified padding direction when
3524 STACK_PUSH_CODE is POST_INC.
3526 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
3528 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3530 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
3532 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
3534 * cppinit.c (cpp_start_read): Free the imacros list as we
3535 traverse it. Don't free the chains before returning.
3536 (_cpp_push_next_buffer): Only try pushing buffers if we've
3537 completed -imacros handling.
3539 2001-08-31 Eric Christopher <echristo@redhat.com>
3541 * gcc.c (handle_braces): Add explaination for abort.
3543 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
3545 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
3546 move adjustment of bitpos instead.
3548 2001-08-31 Zack Weinberg <zack@codesourcery.com>
3550 * function.c: Remove all_functions. Make outer_function_chain
3552 (init_function_start): Don't add new function structure to
3554 (find_function_data, push_function_context_to,
3555 pop_function_context_from, put_var_into_stack,
3556 trampoline_address): Update for changed structure element names.
3557 (push_function_context_to): Disentangle.
3558 (free_after_compilation): Also free F.
3559 (expand_dummy_function_end): Don't free cfun here.
3560 (put_var_into_stack): Comment why we can't use find_function_data here.
3561 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
3562 (mark_function_chain): Split into maybe_mark_struct_function and
3563 ggc_mark_struct_function. Export the latter.
3564 (init_function_once): Mark from cfun and outer_function_chain;
3567 * function.h (struct function): Kill next_global. Rename next
3568 to outer. All users updated to match.
3569 (all_functions, outer_function_chain): Don't declare.
3571 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
3572 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
3573 don't touch f->inlinable, after calling rest_of_compilation.
3575 * tree.h: Forward-declare struct function. Prototype
3576 ggc_mark_struct_function.
3578 2001-08-31 Kazu Hirata <kazu@hxi.com>
3580 * config/h8300/h8300.md (*andorhi3): Fix typos.
3582 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3584 * calls.c (emit_library_call_value): Don't use a fixed
3585 argument after VA_CLOSE, i.e. out of scope in traditional C.
3587 * emit-rtl.c (gen_rtvec): Likewise.
3589 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3591 * Makefile.in (c-pragma.o): Depend on output.h.
3592 (reorg.o): Depend on except.h.
3594 * c-pragma.c: Include output.h.
3596 * reorg.c: Include except.h.
3598 * unwind-dw2.c: Call __builtin_alloca, not alloca.
3600 2001-08-31 Richard Henderson <rth@redhat.com>
3602 * sched-deps.c (add_dependence): Don't elide dependancy if the
3603 conditional used by insn is modified in elem.
3605 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
3607 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
3609 2001-08-31 Diego Novillo <dnovillo@redhat.com>
3611 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
3614 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3616 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
3618 (stormy16_asm_out_constructor): New function.
3619 (TARGET_ASM_CONSTRUCTOR): Define.
3620 (TARGET_ASM_DESTRUCTOR): Define.
3622 2001-08-31 Andreas Jaeger <aj@suse.de>
3624 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
3625 * loop.c (add_label_notes): Likewise.
3626 * reload.c (find_reloads): Likewise.
3627 * config/sh/sh.c (machine_dependent_reorg): Likewise.
3629 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
3631 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
3632 code here. Take _Unwind_{W,Sw}ord*.
3633 (read_encoded_value_with_base): Use them.
3634 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
3636 (extract_cie_info): Simplify read_?leb128 handling.
3637 (execute_stack_op, execute_cfa_program): Likewise.
3638 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
3640 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3642 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
3643 the frame pointer to pop the stack if convenient.
3645 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
3646 Don't use post-increment before combine.
3647 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
3648 a call-saved register.
3650 2001-08-31 Andreas Jaeger <aj@suse.de>
3652 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
3655 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
3657 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
3658 not DIV/MOD, of course.
3660 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
3662 * rtl.def: Undo my patch commited 2001-08-27.
3664 * genattrtab.c: Ditto.
3668 * sched-int.h: Ditto.
3670 * target-def.h: Ditto.
3674 * haifa-sched.c: Ditto.
3676 * sched-rgn.c: Ditto.
3678 * sched-vis.c: Ditto.
3680 * Makefile.in: Ditto.
3682 * doc/md.texi: Ditto.
3684 * doc/tm.texi: Ditto.
3686 * doc/contrib.texi: Ditto.
3688 * doc/gcc.texi: Ditto.
3690 * genattrtab.h: Remove it.
3692 * genautomata.c: Remove it.
3694 * genattr.c: Undo my patch and Richard Henderson's patch commited
3697 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
3699 * config.gcc (h8300-*-elf*): New case.
3700 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
3701 (SUBTARGET_CPP_SPEC): Define.
3702 (EXTRA_SPECS): Define.
3703 (SUBTARGET_EXTRA_SPECS): Define.
3704 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
3705 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
3707 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
3709 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
3710 (LIB2FUNCS_EXTRA): Define.
3711 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
3712 config/h8300/fixunssfsi.c: New file.
3714 2001-08-30 Kazu Hirata <kazu@hxi.com>
3716 * config/h8300/h8300.md (zero_extendqihi2): Changes to
3717 define_expand to accomodate target-specific attributes.
3718 (anonymous zero_extendqihi2 patterns): New.
3720 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
3722 * h8300.md (*andorhi3): New pattern.
3724 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
3726 * h8300.c (dosize): Fix test for "sub".
3728 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
3730 * c-typeck.c (pointer_diff): Try to eliminate common term before
3733 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
3735 * config/arm/arm.c (arm_compute_initial_elimination_offset):
3736 Account for the saves of the FP registers.
3738 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
3739 (TEXT_SECTION_ASM_OP): Define.
3740 (INIT_SECTION_ASM_OP): Define.
3741 (FINI_SECTION_ASM_OP): Define.
3742 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
3743 (RDATA_SECTION_FUNCITON): Provide prototype.
3745 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
3747 * reload1.c (move2add_note_store): Correct typo checking for
3750 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
3752 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
3753 note should not be considered outside the libcall block.
3755 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3757 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
3759 2001-08-29 Kazu Hirata <kazu@hxi.com>
3761 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
3763 2001-08-29 Kazu Hirata <kazu@hxi.com>
3765 * config/h8300/h8300-protos.h: Add a prototype for
3767 * config/h8300/h8300.c (emit_logical_op): New.
3768 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
3775 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3777 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
3778 comparison with rtx INTVAL.
3779 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
3781 * pa.h (FUNCTION_ARG_SIZE): Likewise.
3783 2001-08-29 Kazu Hirata <kazu@hxi.com>
3785 * config/h8300/lib1funcs.asm: Update the copyright. Fix
3788 2001-08-29 Kazu Hirata <kazu@hxi.com>
3790 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
3791 (reg n) to (mem (pre_dec (reg n))
3792 (anonymous movsi pattern): Likewise.
3794 2001-08-29 Kazu Hirata <kazu@hxi.com>
3796 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
3798 2001-08-29 Kazu Hirata <kazu@hxi.com>
3800 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
3801 several special constants.
3803 2001-08-29 Kazu Hirata <kazu@hxi.com>
3805 * config/h8300/lib1funcs.asm: Fix comment typos.
3807 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3809 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
3810 Fix format specifier warnings.
3812 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
3813 inet_makeaddr, semctl): Prototype.
3815 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
3816 (save_restore_insns): Use base_offset, not gp_offset.
3818 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
3819 (ASM_OUTPUT_BYTE): Fix format specifier warning.
3821 2001-08-29 Richard Henderson <rth@redhat.com>
3823 * bb-reorder.c (function_tail_eff_head): New.
3824 (record_effective_endpoints): Set it.
3825 (fixup_reorder_chain): Use it.
3827 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3829 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
3831 2001-08-28 Dale Johannesen <dalej@apple.com>
3833 * config/darwin.c (machopic_function_base_name): Add const
3834 qualifier to a string.
3835 (darwin_encode_section_info): Ditto.
3837 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3839 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
3840 function definition.
3842 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3844 * df.h (struct df): Add rts_order variable.
3846 * df.c (df_visit_next_rts): New function.
3847 (df_visit_next): Renamed to df_visit_next_rc
3848 (df_analyse_1): Allocate/compute/free rts_order as well.
3849 (df_rd_global_compute): Use df_visit_next_rc instead of
3851 (df_ru_global_compute): Use df_visit_next_rts instead of
3854 * flow.c (flow_reverse_top_sort_order_compute): New function.
3856 * basic-block.h: Add prototype.
3858 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3860 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
3861 blocks, the BB_REACHABLE is now set, rather than aux being
3862 non-NULL. Update the test to reflect this.
3864 2001-08-28 Eric Christopher <echristo@redhat.com>
3866 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
3867 config/mips/crti.asm: Ditto.
3869 2001-08-28 Eric Christopher <echristo@redhat.com>
3870 Richard Henderson <rth@redhat.com>
3872 * c-pragma.h (add_weak): Move prototype from here...
3873 * output.h (add_weak): ... to here.
3874 * varasm.c (add_weak): Fix typo.
3875 * config/mips/crti.asm: New file.
3876 * config/mips/crtn.asm: Ditto.
3877 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
3878 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
3879 (INVOKE__main): Ditto.
3880 (INIT_SECTION_ASM_OP): New.
3881 (FINI_SECTION_ASM_OP): Ditto.
3882 (STARTFILE_SPEC): Add crti.
3883 (ENDFILE_SPEC): Add crtn.
3884 * config/mips/elf64.h: Same.
3885 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
3887 * config/mips/vxworks.h: Ditto.
3888 * config/mips/t-elf: Support crti and crtn.
3890 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
3892 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
3895 2001-08-28 Richard Henderson <rth@redhat.com>
3897 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
3898 (one_cmplbi2 splitter): Remove redundant test.
3900 2001-08-28 Dale Johannesen <dalej@apple.com>
3902 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
3904 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
3906 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
3908 2001-08-28 Stan Shebs <shebs@apple.com>
3910 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
3911 (UNALIGNED_SHORT_ASM_OP): Define.
3912 (UNALIGNED_INT_ASM_OP): Define.
3914 2001-08-28 Will Cohen <wcohen@redhat.com>
3916 * config/rs6000/rs6000.md (store_multiple): Correct RTL
3917 generation for first set.
3919 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3921 * flow.c (redirect_edge_succ_nodup): Return new edge.
3922 (try_simplify_condjump): Use new edge.
3923 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
3925 * cse.c (cse_basic_block): Skip note instructions.
3927 2001-08-27 Richard Henderson <rth@redhat.com>
3929 * combine.c (combine_simplify_rtx): Don't reverse condition
3930 if there is no reverse for the condition.
3931 (simplify_comparison): Don't simplify subregs from INT to FP.
3933 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
3934 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
3935 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
3936 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
3937 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
3938 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
3940 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3942 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
3943 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
3945 (adddi_dilshr32, adddi_dishl32): Only data register can be
3946 source for mem destination.
3948 * expmed.c (store_bit_field): Ignore adjustment to bitpos
3949 and use bitnum to decide about register move.
3951 2001-08-27 Richard Henderson <rth@redhat.com>
3953 * genattr.c (main): Emit state_t even when not doing scheduling.
3955 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3956 Richard Henderson <rth@redhat.com>
3958 * gcse.c (reg_first_set, reg_last_set): Replace with ...
3959 (reg_avail_info, current_bb): ... these.
3960 (oprs_unchanged_p, record_last_reg_set_info): Use them.
3961 (compute_hash_table): Likewise.
3963 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3965 * flow.c (verify_flow_info): Use checksums to verify edges.
3967 2001-08-27 Richard Henderson <rth@redhat.com>
3969 * genautomata.c (expand_automata): Always create a description.
3971 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3973 * optabs.c (expand_binop): Correctly handle the carry in multiword
3974 add/subtract operations.
3976 2001-08-27 Fred Fish <fnf@be.com>
3978 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
3981 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3983 * reload.c (find_reloads_toplev): Back out this change:
3985 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3987 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3988 mem if the address is a mode_dependent_address_p.
3990 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3992 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
3993 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
3994 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
3997 * genattr.c (main): New variable num_insn_reservations. Increase
3998 it if there is DEFINE_INSN_RESERVATION. Output automaton based
3999 pipeline hazard recognizer interface.
4001 * genattrtab.h: New file.
4003 * genattrtab.c: Include genattrtab.h.
4004 (attr_printf, check_attr_test, make_internal_attr,
4005 make_numeric_value): Move protypes into genattrtab.h. Define them
4007 (num_dfa_decls): New global variable.
4008 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
4009 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
4010 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
4011 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
4013 * genautomata.c: New file.
4015 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
4017 * sched-int.h: (curr_state): Add the external definition for
4018 automaton pipeline interface.
4019 (haifa_insn_data): Add comments for members blockage and units.
4021 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
4022 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
4023 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
4024 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
4025 TARGET_SCHED_DFA_POST_CYCLE_INSN,
4026 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
4027 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
4029 (TARGET_SCHED): Use the new macros.
4031 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
4032 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
4033 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
4034 dfa_bubble): New members in gcc_target.sched.
4036 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
4037 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
4038 (insn_queue): Redefine it as pointer to array.
4039 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
4041 (max_insn_queue_index_macro_value): New variable.
4042 (curr_state, dfa_state_size, ready_try): New varaibles for
4043 automaton interface.
4044 (ready_element, ready_remove, max_issue): New function prototypes
4045 for automaton interface.
4046 (choose_ready): New function prototype.
4047 (insn_unit, blockage_range): Add comments.
4048 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
4049 FUNCTION_UNITS_SIZE == 0.
4050 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
4051 actual_hazard, potential_hazard): Add comments.
4052 (insn_cost): Use cost -1 as undefined value. Remove
4053 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
4055 (ready_element, ready_remove): New functions for automaton
4057 (schedule_insn): Add new code for automaton pipeline interface.
4058 (queue_to_ready): Add new code for automaton pipeline interface.
4059 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
4060 (debug_ready_list): Print newline when the queue is empty.
4061 (max_issue): New function for automaton pipeline interface.
4062 (choose_ready): New function.
4063 (schedule_block): Add new code for automaton pipeline interface.
4064 Print ready list before scheduling each insn.
4065 (sched_init): Add new code for automaton pipeline interface.
4066 Initiate insn cost by -1.
4067 (sched_finish): Free the current automaton state and finalize
4068 automaton pipeline interface.
4070 * sched-rgn.c: Include target.h.
4071 (init_ready_list, new_ready, debug_dependencies): Add new code for
4072 automaton pipeline interface.
4074 * sched-vis.c: Include target.h.
4075 (get_visual_tbl_length): Add code for automaton interface.
4076 (target_units, print_block_visualization): Add comments.
4078 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
4079 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
4080 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
4081 (getruntime.o, genautomata.o): New entries.
4082 (genattrtab.o): Add new dependency file genattrtab.h.
4083 (genattrtab): Add new dependencies. Link it with `libm.a'.
4084 (getruntime.o, hashtab.o): New entries for canadian cross.
4086 * doc/md.texi: Description of automaton based model.
4088 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
4090 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
4091 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
4092 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
4093 TARGET_SCHED_DFA_POST_CYCLE_INSN,
4094 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
4095 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
4096 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
4098 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
4099 MAX_DFA_ISSUE_RATE): New macro descriptions.
4101 * doc/contrib.texi: Add dfa based scheduler contribution.
4103 * doc/gcc.texi: Add more information about genattrtab.
4105 2001-08-27 Diego Novillo <dnovillo@redhat.com>
4107 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
4110 2001-08-27 Richard Henderson <rth@redhat.com>
4112 * function.c (expand_function_end): Don't init arg_pointer_save_area.
4113 (get_arg_pointer_save_area): New. Create an init it here.
4114 (fix_lexical_addr): Use it.
4115 * function.h: Declare it.
4116 * builtins.c (expand_builtin_setjmp_receiver): Use it.
4117 * stmt.c (expand_nl_goto_receiver): Use it.
4119 2001-08-27 Richard Henderson <rth@redhat.com>
4121 * final.c (final_scan_insn): Don't enter APP_ON mode for
4124 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
4125 alignment for assemble_integer for DW_EH_PE_aligned.
4126 * except.c (output_function_exception_table): Likewise.
4128 2001-08-26 Andreas Jaeger <aj@suse.de>
4130 * c-tree.h: Add prototyp for c_sizeof_nowarn.
4132 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
4134 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
4136 2001-08-27 Alan Modra <amodra@bigpond.net.au>
4138 * config/rs6000/rs6000.c (mask_operand): Rewrite without
4140 (mask64_operand): Likewise.
4141 (rldic_operand): Delete.
4142 (includes_lshift64_p): Delete.
4143 (includes_rldic_lshift_p): New function.
4144 (includes_rldicr_lshift_p): New function.
4145 (print_operand): Don't call rldic_operand in case 'W'.
4146 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
4147 (includes_lshift64_p): Remove.
4148 (includes_rldic_lshift_p): Declare.
4149 (includes_rldicr_lshift_p): Declare.
4150 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
4151 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
4152 Replace match_operand rldic_operand predicate with
4153 const_int_operand. Replace includes_lshift64_p condition with
4154 includes_rldic_lshift_p.
4155 <ashldi3_internal 64 bit rldicr patterns>: New.
4157 2001-08-27 Andreas Jaeger <aj@suse.de>
4159 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
4160 * errors.c: Likewise.
4161 * final.c: Likewise.
4162 * dwarf2asm.c: Likewise.
4163 * doprint.c (checkit): Likewise.
4164 * diagnostic.c: Likewise.
4165 * collect2.c: Likewise.
4166 * calls.c: Likewise.
4167 * c-semantics.c (build_stmt): Likewise.
4168 * c-format.c (status_warning): Likewise.
4169 * c-errors.c (pedwarn_c99): Likewise.
4170 * builtins.c (validate_arglist): Likewise.
4171 * config/pj/pj.c (pj_printf): Likewise.
4172 * fix-header.c: Likewise.
4174 * gcov.c (fnotice): Likewise.
4175 * gensupport.c (message_with_line): Likewise.
4176 * mips-tfile.c: Likewise.
4177 * protoize.c (notice): Likewise.
4178 * read-rtl.c (fatal_with_file_and_line): Likewise.
4179 * rtl-error.c: Likewise.
4180 * tradcpp.c: Likewise.
4182 * cp/tree.c (build_min_nt): Likewise.
4183 (build_min): Likewise.
4184 * cp/lex.c: Likewise.
4185 * cp/errfn.c: Likewise.
4186 * cp/rtti.c (create_pseudo_type_info): Likewise.
4188 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
4190 * df.c (df_uses_record): Return after recording all uses
4193 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
4195 * df.c (df_insn_modify): Realloc the INSN table here, if
4196 necessary, here, too.
4198 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
4200 * config/mips/mips.c (mips_function_value): Handle complex return
4203 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
4205 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
4207 * reload.c (make_memloc): Copy result if it is still
4208 reg_equiv_memory_loc[regno] on return.
4209 (subst_reloads) [ENABLE_CHECKING]: Check that none of
4210 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
4211 reg_equiv_mem are modified by the substitutions.
4213 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4215 * predict.c (expensive_function_p): New.
4216 * rtl.h (expensive_function_p): Declare.
4217 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
4218 (use_fast_prologue_epilogue): New static variable.
4219 (expand_prologue): Set it; emit short prologues if unset.
4220 (expand_epilogue): Likewise.
4222 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
4224 * config.gcc: Add stormy16-*-elf case.
4225 * config/stormy16/stormy-abi: New file.
4226 * config/stormy16/stormy16-lib2.c: New file.
4227 * config/stormy16/stormy16-protos.h: New file.
4228 * config/stormy16/stormy16.c: New file.
4229 * config/stormy16/stormy16.h: New file.
4230 * config/stormy16/stormy16.md: New file.
4231 * config/stormy16/t-stormy16: New file.
4233 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
4235 * i386.h (no-accumulate-outgoing-args): Use proper mask.
4237 2001-08-24 David Edelsohn <edelsohn@gnu.org>
4239 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
4240 descriptor members are pointer size, not constant 4.
4241 * config/rs6000/rs6000.md (define_splits): Remove more unused
4244 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4246 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
4248 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
4250 * cp/rtti.c (VPARAMS): Fix parameter.
4252 2001-08-24 Zack Weinberg <zackw@panix.com>
4254 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
4256 (mode_for_extraction): No need for #ifdefs. Add default-case abort
4258 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
4259 in if controlling use of insv.
4260 (extract_bit_field): Likewise, for extv and extzv.
4262 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
4264 * i386.md (movcc peep2): Fix load of 0.
4266 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4268 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
4269 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
4271 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
4273 * c-pragma.h: Move weak_syms and weak_decls...
4274 * varasm.c: ...here. Now static.
4275 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
4276 depend on HANDLE_PRAGMA_WEAK.
4278 * c-common.c (c_alignof, c_alignof_expr): Move here...
4279 * c-typeck.c: ...from here.
4280 * c-tree.h, c-common.h: Adjust.
4282 2001-08-23 Bernd Schmidt <bernds@redhat.com>
4284 * config/ia64/ia64.c (rws_update): If !pred, set write_count
4285 instead of incrementing it.
4287 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
4288 asm ready, don't try to move them all into the same array element.
4290 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4292 * function.c (thread_prologue_and_epilogue_insns): Avoid
4293 fallthru flag on edge to exit.
4295 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
4297 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
4300 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
4302 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
4303 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
4304 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
4307 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
4309 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
4310 replace "GNU CC" with "GCC".
4312 2001-08-23 Richard Henderson <rth@redhat.com>
4314 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
4315 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
4316 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
4317 Need GR between FR and not GR_AND_FR.
4318 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
4319 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
4320 AR regs before GR regs.
4321 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
4322 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
4323 (REGISTER_MOVE_COST): Update.
4324 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
4326 2001-08-23 Richard Henderson <rth@redhat.com>
4328 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
4331 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
4333 * reload1.c (emit_reload_insns): Don't look for notes
4334 on a NULL store_insn.
4336 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4338 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
4339 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
4340 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
4341 format specifier warnings.
4342 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
4344 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
4346 * config/i386/i386-protos.h: Correct declaration of
4347 i386_pe_asm_named_section.
4349 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
4351 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
4353 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4355 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
4357 * cpperror.c (print_location): Don't show _Pragma.
4358 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
4359 and file change callback generation here.
4360 (stack_include_file): Update use of cpp_push_buffer.
4361 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
4362 (struct cpp_buffer): Remove type, pfile members.
4363 * cppinit.c (cpp_handle_option): Use free_chain.
4364 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
4365 (skip_escaped_newlines, get_effective_char, lex_percent): Take
4366 a cpp_reader rather than a cpp_buffer.
4367 (skip_escaped_newlines, get_effective_char, skip_block_comment,
4368 skip_line_comment, parse_string, lex_percent, lex_dot,
4369 _cpp_lex_token): Update accordingly.
4370 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
4372 (cpp_push_buffer): Update prototype.
4373 (run_directive): Update use of cpp_push_buffer.
4374 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
4375 handle_assertion): Update use of run_directive.
4376 * cpplib.h (enum cpp_buffer_type): Remove.
4377 (cpp_push_buffer): Update prototype.
4378 * fix-header.c (read_scan_file): Update.
4380 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4382 * gcc.c (struct prefix_list): Change prefix to const char *.
4384 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4386 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
4388 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
4390 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
4393 * jump.c (squeeze_notes): Take parms by reference. Handle END being
4396 * ifcvt.c (dead_or_predicable): Adjust.
4397 * loop.c (find_and_verify_loops): Adjust.
4398 * stmt.c (expand_end_case): Adjust.
4399 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
4400 head and end insn pointers in the basic block, not just local copies.
4401 (merge_blocks_move_predecessor_nojumps): Likewise.
4403 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
4405 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
4406 bitmap.h, builtin-types.def, builtins.c, builtins.def,
4407 c-aux-info.c, c-common.c, c-common.def, c-common.h,
4408 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
4409 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
4410 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
4411 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
4412 conditions.h, config.gcc, configure.frag, configure.in,
4413 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
4414 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
4415 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
4416 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
4417 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
4418 emit-rtl.c, errors.c, errors.h, except.c, except.h,
4419 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
4420 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
4421 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
4422 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
4423 gencheck.c, gencodes.c, genconfig.c, genemit.c,
4424 genextract.c, genflags.c, gengenrtl.c, genmultilib,
4425 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
4426 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
4427 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
4428 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
4429 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
4430 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
4431 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
4432 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
4433 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
4434 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
4435 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
4436 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
4437 params.h, predict.c, predict.def, predict.h, prefix.c,
4438 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
4439 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
4440 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
4441 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
4442 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
4443 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
4444 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
4445 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
4446 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
4447 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
4448 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
4449 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
4450 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
4451 xcoffout.h: replace "GNU CC" with "GCC".
4453 2001-08-21 Richard Henderson <rth@redhat.com>
4455 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
4456 (final_scan_insn): Consider jump tables data even if we have no
4457 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
4459 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
4460 (ASM_OUTPUT_CASE_END): Remove.
4461 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
4462 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
4463 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
4465 2001-08-21 Richard Henderson <rth@redhat.com>
4467 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
4468 at barrier insns. Emit stop bits before barriers.
4470 * flow.c (flow_find_cross_jump): Don't consider unconditional
4471 return insns for commoning.
4473 * final.c (compute_alignments): Fix typo.
4475 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
4476 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
4477 (store_bit_field): Use mode_for_extraction more places.
4478 (extract_bit_field): Likewise.
4480 2001-08-21 Zack Weinberg <zackw@panix.com>
4482 * caller-save.c: Don't include insn-codes.h.
4483 (reg_save_code, reg_restore_code): Make arrays of int.
4484 All uses updated to match.
4485 (insert_save, insert_restore): No need to initialize "code"
4486 variable upon declaration.
4487 * Makefile.in: update dependencies; fix typo in clean rule.
4489 2001-08-21 Richard Henderson <rth@redhat.com>
4491 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
4492 (merge_if_block): Handle fallout from same.
4494 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4496 * builtins.c (type_to_class): Fix typo in last change.
4498 2001-08-21 Richard Henderson <rth@redhat.com>
4500 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
4501 ia64_asm_output_label.
4503 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
4504 copy of gp while the real gp register contains garbage.
4506 2001-08-21 Zack Weinberg <zackw@panix.com>
4508 * expmed.c (mode_for_extraction): New function.
4509 (store_bit_field, extract_bit_field): Use it.
4510 * expr.h: Prototype it and provide an enum for its first argument.
4512 * combine.c, function.c, recog.c: Don't include insn-codes.h.
4513 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
4514 and digging through the insn_data tables.
4515 * Makefile.in: Update dependencies.
4517 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
4519 * cppfiles.c (stack_include_file): line-map.c now handles include
4521 (handle_missing_handler): Similarly.
4522 (_cpp_execute_include): Similarly.
4523 (_cpp_pop_file_buffer): Similarly.
4524 * cpphash.h (struct cpp_reader): Remove system_include_depth,
4525 buffer_stack_depth and include_depth.
4526 * cpplib.c (do_include_common): line-map.c now handles include depth.
4527 (cpp_push_buffer): Similarly.
4528 (_cpp_pop_buffer): Similarly.
4529 * cppmacro.c (builtin_macro): Update.
4530 * line-map.c (init_line_maps): Set depth.
4531 (add_line_map): Increment "used" earlier. Update and use the
4533 (trace_include): Use the include depth.
4534 * line-map.h (struct line_maps): New member depth.
4536 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4538 * cppfiles.c (stack_include_file): Don't handle -H here.
4539 * cppinit.c (cpp_start_read): Set include tracing after
4540 cpp_post_options and after stacking the main file.
4541 * line-map.c (trace_include): New.
4542 (init_line_maps, add_line_map): Update.
4543 * line-map.h (struct line_maps): New member trace_includes.
4545 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4547 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
4548 * cppfiles.c (stack_include_file): Only stack a file if there
4549 is something to do. Return a boolean indicating whether a
4550 buffer was stacked or not.
4551 (_cpp_execute_include): Similarly.
4552 (_cpp_read_file): Similarly.
4553 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
4555 2001-08-21 Sam Steingold <sds@gnu.org>
4557 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
4558 (RECACHE): keep obufp_before_macroname up to date
4560 2001-08-21 Zack Weinberg <zackw@panix.com>
4562 * stmt.c: Don't include insn-codes.h.
4563 (expand_end_case): Machine specific logic moved to expr.c.
4564 No need to worry about __builtin_classify_type.
4565 (check_for_full_enumeration_handling, emit_case_nodes):
4568 * builtins.o (expand_builtin_classify_type): Split up so code
4569 can be shared with fold_builtin_classify_type.
4570 (type_to_class, fold_builtin_classify_type): New functions.
4571 (fold_builtins): Handle __builtin_classify_type.
4573 * expr.c (do_tablejump): Now static.
4574 (case_values_threshold, try_casesi, try_tablejump): New;
4575 code mostly from stmt.c (expand_end_case).
4576 (expr.h): Update prototypes.
4578 * Makefile.in (stmt.o): Update dependencies.
4580 2001-08-21 Will Cohen <wcohen@redhat.com>
4582 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
4583 declaration of variable i.
4584 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
4585 declaration of variable i.
4587 2001-08-21 Richard Henderson <rth@redhat.com>
4589 * crtstuff.c: Fix thinko last change. Move list tails to start
4590 of CRT_END section. Tidy ifdefs.
4591 (__EH_FRAME_BEGIN__): Always static for ELF.
4592 (__do_global_ctors_1): Rename from __frame_dummy.
4593 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
4594 name change; don't hide __EH_FRAME_BEGIN__.
4596 2001-08-21 Richard Henderson <rth@redhat.com>
4598 * gdbinit.in: Move break on exit after break on fancy_abort.
4600 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
4603 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4605 * cpphash.h (_cpp_push_next_buffer): New.
4606 * cppinit.c (do_includes): Remove.
4607 (push_include, free_chain, _cpp_push_next_buffer): New.
4608 (cpp_start_read): Use them to rework command line option handling.
4609 (cpp_handle_option): Combine handling of -include and -imacros.
4610 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
4611 appropriate. Always insert missing \n at EOF.
4612 * cpplib.c (start_directive): Get the directive position right.
4613 * cppmain.c (cb_file_change): Always print the first line, unless
4616 2001-08-20 Andreas Jaeger <aj@suse.de>
4618 * profile.c (compute_branch_probabilities): Remove extra new-line
4620 * flow.c (verify_flow_info): Likewise.
4622 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4624 * basic-block.h (basic_block): Add new field 'flags'.
4625 (BB_REACHABLE): Define.
4626 (expunge_block): Declare.
4627 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
4628 (EXIT_BLOCK_PTR): Ditto.
4629 (expunge_block): Remove static declaration.
4630 (cleanup_cfg): Clear bb->aux on every basic block.
4631 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
4632 computing reachability.
4633 (delete_unreachable_blocks): Delete block b if b->flags has
4636 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4638 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
4640 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4642 * sparc.c (sparc_variable_issue): Fix typo in last change.
4644 2001-08-20 Richard Henderson <rth@redhat.com>
4646 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
4648 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
4650 * pa.h (RETURN_IN_MEMORY): Improve comment.
4652 2001-08-20 Janis Johnson <janis187@us.ibm.com>
4654 * doc/invoke.texi (Profiling options): Clarify the interactions
4655 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
4657 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
4659 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
4662 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4664 * gcc.c (make_relative_prefix): Allocate a sufficiently large
4667 2001-08-20 Richard Henderson <rth@redhat.com>
4669 * final.c (end_final): Fix typo last change.
4671 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
4673 * cppinit.c (init_standard_includes): The returned buffer
4674 is already malloc-ed.
4675 * gcc.c (add_prefix): Similarly.
4676 * prefix.c (translate_name): Update to support clear buffer
4678 (update_path): Similarly. Be sure to free any newly allocated
4679 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
4681 * prefix.h (update_path): Update prototype and document.
4682 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
4683 up and update to new buffer ownership rules.
4684 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
4686 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4688 * final.c (compute_alignments): New function.
4689 (init_insn_lengths): Do not care label_align.
4690 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
4691 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
4692 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
4693 (shorted_branches): Realloc label_align array; do
4694 not call init_insn_lengths; Do not care about loop alignments.
4695 * output.h (compute_alignments): Declare.
4696 * toplev.c (rest_of_compilation): Call compute_alignments.
4697 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
4699 * predict.c (block_info_def): Add npredecesors, remove nvisited;
4700 change visited to tovisit.
4701 (propagate_freq): Use faster traversing algorithm.
4702 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
4703 to tovisit; reverse meaning.
4705 * predict.c (struct block_info_def): Remove nvisited.
4706 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4707 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4709 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
4711 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
4712 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
4713 (TARGET_FUSED_MADD): New.
4714 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
4715 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
4716 the multiply-add instructions.
4718 2001-08-19 Richard Henderson <rth@redhat.com>
4720 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
4721 is aligned to pointer size.
4723 2001-08-19 Richard Henderson <rth@redhat.com>
4725 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
4726 display markers during final schedule.
4728 2001-08-19 Richard Henderson <rth@redhat.com>
4730 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
4732 2001-08-19 Richard Henderson <rth@redhat.com>
4734 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
4736 (ASM_NAME_TO_STRING): Remove.
4737 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
4738 in the same string. Remove support for expressions.
4740 2001-08-19 Richard Henderson <rth@redhat.com>
4742 * config/i386/i386.md (tablejump): Make an expander; handle
4743 pic relative addressing here.
4744 (tablejump_1): Rename from tablejump_pic.
4747 2001-08-19 Richard Henderson <rth@redhat.com>
4749 * regclass.c (fix_register): Fix typo.
4751 2001-08-18 Richard Henderson <rth@redhat.com>
4753 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
4754 (struct _Unwind_Context): Expand br_loc to hold it.
4755 (uw_frame_state_for): Handle leaf functions better.
4756 (uw_update_reg_address): Update for br_loc change.
4758 2001-08-18 Richard Henderson <rth@redhat.com>
4760 * crtstuff.c: Move list heads before code that uses them.
4761 (__JCR_LIST__): Remove initial null.
4762 (frame_dummy, __frame_dummy): Do java registration here ...
4763 (__do_global_ctors_aux): ... not here.
4765 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
4766 (__do_global_dtors_aux): Update to match.
4767 (__JCR_LIST__, __do_jv_register_classes): New.
4769 * config/ia64/crtend.asm (__JCR_END__): New.
4770 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
4771 instead of an indirect LTOFF22 reloc.
4773 2001-08-18 Richard Henderson <rth@redhat.com>
4775 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
4776 * regclass.c (init_reg_sets_1): Fix typo.
4777 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
4778 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
4779 (ia64_compute_frame_size): Make ar.unat live when in use.
4780 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
4781 for ar.pfs; remove ar.unat handling.
4782 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
4784 (PREDICATE_CODES): Add ar_pfs_reg_operand.
4785 * config/ia64/ia64-protos.h: Update decls.
4786 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
4787 (sibcall_pic): Likewise.
4789 2001-08-18 Richard Henderson <rth@redhat.com>
4791 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
4792 pred_rel_mutex when searching for insn_group_barrier.
4793 * config/ia64/ia64.md (cycle_display): Combine the expander
4796 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
4797 bit before asm as needed.
4799 2001-08-18 Richard Henderson <rth@redhat.com>
4801 * timevar.def (TV_MACH_DEP): New.
4802 * toplev.c (rest_of_compilation): Use it.
4803 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
4805 2001-08-18 Zack Weinberg <zackw@panix.com>
4807 * unwind-dw2.c (execute_stack_op): Add default aborts to
4808 the inner switches to prevent warnings.
4810 2001-08-18 Richard Henderson <rth@redhat.com>
4812 * timevar.h (struct timevar_time_def): Change element type to float.
4813 (ticks_to_msec, clocks_to_msec): Likewise.
4814 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
4815 (get_time): Likewise.
4816 (timevar_print): Adjust zero check and printing to match.
4818 2001-08-18 Zack Weinberg <zackw@panix.com>
4820 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
4821 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
4822 Eliminate overfull or underfull hboxes.
4824 2001-08-18 Zack Weinberg <zackw@panix.com>
4826 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
4828 2001-08-18 Zack Weinberg <zackw@panix.com>
4830 * haifa-sched.c: Convert to target hooks. Macros replaced
4831 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
4832 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
4833 MD_SCHED_FINISH, and HAVE_cycle_display.
4834 * target-def.h (TARGET_SCHED_ADJUST_COST,
4835 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
4836 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
4837 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
4838 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
4839 New hook #defines to be overridden.
4840 (TARGET_SCHED): Bring them all together.
4841 (TARGET_INITIALIZER): Update.
4842 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
4843 instead of 'struct rtx_def *' throughout.
4844 (struct sched): New set of hooks for the scheduler.
4845 * Makefile.in (haifa-sched.o): Depend on target.h.
4846 * doc/tm.texi: Document the new scheduler hooks, together in
4847 their own section, instead of scattered around.
4848 Fix a bunch of underfull/overfull hboxes.
4850 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
4851 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
4852 sparc.h: Don't define any of the old scheduler macros.
4854 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
4855 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
4856 sparc.c: Create hook functions from code extracted from
4857 corresponding target header, or make existing hooks static, as
4858 appropriate. Set the appropriate entries in targetm.
4860 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
4861 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
4862 rs6000-protos.h, s390-protos.h, sparc-protos.h:
4863 Remove prototypes for functions which are now static.
4865 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
4866 related gunk; the Haifa scheduler is now the only choice.
4868 2001-08-18 Zack Weinberg <zackw@panix.com>
4870 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
4871 * genopinit.c: Put floating point divide insns in sdiv_optab.
4872 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
4873 * config/gofast.h, config/c4x/c4x.h,
4874 config/ia64/hpux_longdouble.h, config/mips/mips.h,
4875 config/pa/long_double.h, config/rs6000/sysv4.h,
4876 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
4877 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
4878 (init_optabs): Use init_optabv for overflow-trapping optabs.
4879 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
4880 cmp_optab RTX codes so have_insn_for can find them.
4882 * optabs.c (expand_simple_binop, expand_simple_unop,
4883 have_insn_for, gen_sub3_insn): New interfaces.
4884 * expr.h: Prototype new functions.
4885 (enum optab_methods): Move here from optabs.h.
4887 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
4888 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
4889 Use new functions instead of working directly with optabs.
4890 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
4891 unroll.c: Don't include optabs.h.
4892 * caller-save.c, combine.c, function.c, stmt.c: Just include
4893 insn-codes.h, not optabs.h.
4894 * Makefile.in: Update dependencies.
4896 * combine.c (make_compound_operation, simplify_comparison):
4897 Fix typos testing for this or that instruction.
4899 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4901 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
4902 generating libgcc.a.
4904 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4906 * except.c (TYPE_HASH): Delete.
4908 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
4911 * tree.c (TYPE_HASH): Delete.
4913 * tree.h (TYPE_HASH): Define.
4915 2001-08-18 Graham Stott <grahams@redhat.com>
4917 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
4919 (adddi3_internal_2+2): Likewise.
4920 (eh_set_lr_di+1): Likewise.
4922 2001-08-17 Richard Henderson <rth@redhat.com>
4924 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4925 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
4926 * dwarf2asm.c: ... here.
4927 * dwarfout.c: Remove them.
4929 * varasm.c (assemble_integer): Add align parameter.
4930 (assemble_real, output_constant, output_constructor): Likewise.
4931 * output.h: Update decls.
4932 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
4933 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
4934 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
4935 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
4936 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
4939 * final.c (end_final): Abort profile block generation if we
4940 havn't layed it out properly.
4941 * output.h (assemble_eh_integer): Remove stale decl.
4942 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
4944 (assemble_integer): Handle unaligned data.
4945 (assemble_real): Abort on unaligned data.
4946 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
4948 (default_dtor_section_asm_out_destructor): Use assemble_align.
4949 (default_named_section_asm_out_constructor): Likewise.
4950 (default_ctor_section_asm_out_constructor): Likewise.
4951 * config/darwin.c (machopic_asm_out_constructor): Likewise.
4952 (machopic_asm_out_destructor): Likewise.
4953 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
4954 (nextstep_asm_out_destructor): Likewise.
4955 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
4956 (vms_asm_out_destructor): Likewise.
4958 2001-08-17 Richard Henderson <rth@redhat.com>
4960 * config/mips/iris6.h (TARGET_IRIX6): New.
4961 (current_section_name, current_section_flags): New.
4962 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
4963 (MAX_OFILE_ALIGNMENT): New.
4964 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
4965 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
4966 (copy_file_data): Split out from
4967 (mips_asm_file_end): ... here.
4968 (mips_asm_file_start): Remove extra .section directive. Use
4969 tmpfile instead of mips_make_temp_file.
4970 (mips_unique_section): Use const char * as needed for warnings.
4971 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
4972 re-add align parameter.
4973 (iris6_asm_named_section): New.
4974 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
4975 (iris6_asm_output_align, iris6_section_align_1): New.
4976 (iris6_asm_file_start, iris6_asm_file_end): New.
4977 * config/mips/mips-protos.h: Update decls.
4979 2001-08-17 Janis Johnson <janis187@us.ibm.com>
4981 * doc/install.texi (Install GCC): Add links to build status pages.
4983 (Final install): Ditto; request updates for specific info
4985 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
4987 * cpperror.c (print_location): Don't take a file name; use the
4989 (_cpp_begin_message): Similarly.
4990 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4991 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
4992 (cpp_pedwarn_with_file_and_line): Remove.
4993 * cppfiles.c (stack_include_file): Update; set filename to stdin
4994 here when appropriate.
4995 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
4996 (_cpp_begin_message): Don't take a file name.
4997 * cppinit.c: Add comment.
4998 * cpplex.c: Fix end-of-directive indicator.
4999 * cpplib.c: Don't include intl.h.
5000 (run_directive, do_diagnostic): Update.
5001 (do_line): Update to not use nominal_fname.
5002 (cpp_push_buffer): Don't take a filename.
5003 * cpplib.h (struct ht): Remove.
5004 (cpp_push_buffer): Don't take a filename.
5005 (cpp_pedwarn_with_file_and_line): Remove.
5006 * cppmacro.c (struct cpp_macro): Remove file.
5007 (builtin_macro): Update.
5008 (_cpp_create_definition): Update.
5009 * cppmain.c: Correct comment.
5010 * fix-header.c (read_scan_file): Update.
5012 2001-08-17 Kazu Hirata <kazu@hxi.com>
5014 * sbitmap.c: Fix comment formatting.
5015 * sched-deps.c: Likewise.
5016 * sibcall.c: Likewise.
5017 * simplify-rtx.c: Likewise.
5019 * ssa-ccp.c: Likewise.
5020 * stor-layout.c: Likewise.
5021 * timevar.c: Likewise.
5022 * toplev.c: Likewise.
5023 * unwind-dw2.c: Likewise.
5024 * unwind-dw2-fde.c: Likewise.
5025 * varasm.c: Likewise.
5027 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
5029 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
5030 or larger than an integer in memory.
5032 2001-08-17 Zack Weinberg <zackw@panix.com>
5034 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
5035 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
5036 * rtl.h: Don't forward-declare union tree_node here. Don't
5037 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
5038 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
5039 and tree respectively.
5040 * tree.h: Don't forward-declare struct rtx_def here. Don't
5041 typedef tree here. Change all uses of struct rtx_def *,
5042 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
5043 and tree respectively.
5045 2001-08-17 Richard Henderson <rth@redhat.com>
5047 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
5048 config/mips/openbsd.h: Fix typos last change.
5050 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5052 * doc/invoke.texi (Optimize Options): The default for
5053 -finline-limit is 600.
5055 2001-08-17 Richard Henderson <rth@redhat.com>
5057 * varasm.c (text_section): Allow TEXT_SECTION to override the
5058 printing of TEXT_SECTION_ASM_OP.
5059 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
5060 (DATA_SECTION, BSS_SECTION): Remove.
5061 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
5062 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
5063 Rename from s/_NAME//.
5064 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
5065 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
5066 (TEXT_SECTION): ... here. New.
5067 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
5068 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
5069 * config/mips/openbsd.h: Likewise.
5070 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
5071 (mips_asm_file_end): Likewise test.
5072 (mips_output_function_epilogue): Likewise. Switch back to data
5073 section after emitting the function.
5075 * doc/tm.texi (Sections): Document TEXT_SECTION.
5077 2001-08-17 Richard Henderson <rth@redhat.com>
5079 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
5080 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
5082 2001-08-17 Richard Henderson <rth@redhat.com>
5084 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
5085 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
5086 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
5087 Add aligned attribute.
5089 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
5091 * config/sh/sh.md: Add modes to unspecs in first insn to match
5092 those in the second.
5094 * Makefile.in: Fix collect2 copy for Cygwin.
5096 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
5098 Install the proper patch.
5099 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
5100 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
5101 (expand_function_start): Likewise.
5102 * stmt.c (expand_decl): Likewise.
5103 * varasm.c (make_decl_rtx): Likewise.
5105 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5107 * final.c: Undo my previous accidental checkin.
5108 * output.h: Likewise.
5109 * tm.texi: Likewise.
5111 2001-08-16 Richard Henderson <rth@redhat.com>
5113 * varasm.c (named_section_flags): Remove align parameter.
5114 * varasm.c, dwarf2out.c: Update all callers.
5115 * output.h: Update prototypes.
5117 * target.h (target.asm_out.named_section): Remove align parameter.
5118 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
5119 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
5120 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
5121 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
5122 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
5124 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
5125 (get_named_section_flags, set_named_section_flags): New.
5126 (named_section_flags): Use them.
5127 (named_section): Do decl vs section flags check here...
5128 (default_section_type_flags): ... not here.
5129 (init_varasm_once): Create in_named_htab.
5130 (resolve_unique_section): Mark reloc unused.
5132 2001-08-16 Richard Henderson <rth@redhat.com>
5134 * varasm.c (force_const_mem): Keep pool alignment in bits.
5135 (output_constant_pool): Use assemble_align.
5137 2001-08-16 Zack Weinberg <zackw@panix.com>
5139 * doc/tm.texi: Remove extra @table command.
5141 2001-08-16 Zack Weinberg <zackw@panix.com>
5143 * final.c (shorten_branches): Clear the end of the label_align
5144 array only if we made it larger. Break up messy expressions
5147 * diagnostic.c (internal_error): Check for error recursion
5148 before doing ICE suppression.
5150 * timevar.c: Timing variables now count in milliseconds.
5151 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
5152 (get_time): Not here.
5153 (timevar_print): Don't print any timer whose user, cpu, and
5154 wall times are all zero as displayed.
5155 * timevar.h: Update comment aboout units. Make timevar
5158 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5160 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
5161 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
5162 (expand_function_start): Likewise.
5163 * stmt.c (expand_decl): Likewise.
5164 * varasm.c (make_decl_rtx): Likewise.
5166 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
5168 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
5169 (finalize_record_size): Don't set TYPE_USER_ALIGN.
5171 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5173 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
5176 2001-08-16 Andreas Jaeger <aj@suse.de>
5178 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
5181 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
5183 * rtl.h (only_sets_cc0_p): New prototype.
5184 * jump.c (sets_cc0_p): Handle INSN.
5185 (only_sets_cc0_p): New function.
5186 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
5187 (tidy_fallthru_edge): Likewise.
5188 * integrate.c (copy_insn_list): Likewise.
5189 * unroll.c (unroll_loop): Likewise.
5190 (copy_loop_body): Likewise.
5192 2001-08-15 Jason Eckhardt <jle@redhat.com>
5194 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
5196 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5198 * predict.c (struct block_info_def): Remove nvisited.
5199 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
5200 (estimate_bb_frequencies): Call mark_dfs_back_edges.
5202 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
5203 (ix86_adjust_cost): Teach scheduler that latency to load operand can
5206 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
5208 * predict.def: Update hitrates.
5210 2001-08-15 Richard Henderson <rth@redhat.com>
5212 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
5214 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
5216 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
5217 note from its associated jump.
5219 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5221 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
5222 also on 64-bit s390x targets.
5224 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
5226 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
5228 (arm_expand_prologue): Handled nested functions which take a
5229 variable argument list.
5230 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
5231 macro with an invocation of
5232 arm_compute_initial_elimination_offset.
5233 * config/arm/arm-protos.h: Prototype
5234 arm_compute_initial_elimination_offset.
5236 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5238 * doc/install.texi (Specific, avr): Fix markup.
5239 (Specific, c4x): Ditto.
5241 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5243 * predict.c (dump_prediction): Change `bool' parameter to `int'.
5245 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
5247 * Makefile.in (OBJS): Add rtl-error.o
5248 (rtl-error.o): New rule.
5249 (diagnostic.o): Adjust dependency.
5250 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
5251 error_for_asm, _fatal_insn, _fatal_insn_not_found,
5252 warning_for_asm): Move to...
5253 rtl-error.c: ...here. New file.
5255 2001-08-14 Richard Henderson <rth@redhat.com>
5257 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
5258 if USING_SJLJ_EXCEPTIONS.
5260 2001-08-14 Steve Ellcey <sje@cup.hp.com>
5262 * tlink.c (scan_linker_output): Check string for unsatisfied in
5263 addition to undefined and unresolved.
5265 2001-08-14 Graham Stott <grahams@redhat.com>
5267 * libgcc2.c (*): Replace EH_FRAME_SECTION with
5268 EH_FRAME_SECTION_NAME.
5270 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5272 * genattrtab.c (simplify_test_exp_in_temp): New function.
5273 (simplify_test_exp): Avoid explicit use of temporary obstack.
5274 (simplify_cond, insert_right_side, evaluate_eq_attr,
5275 simplify_and_tree, simplify_or_tree, eliminate_known_true):
5276 Use simplify_test_exp_in_temp.
5277 (optimize_attrs): Iterate until expression stabilizes.
5279 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
5281 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
5282 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
5284 2001-08-13 Richard Henderson <rth@redhat.com>
5286 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
5287 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
5288 * config/arm/conix-elf.h: Likewise.
5290 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
5292 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
5294 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
5296 * gcse.c (hash_scan_set): Expressions that are set as part of
5297 jump instructions are not available.
5299 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5301 * config/s390/s390.c (print_operand, s390_function_prologue,
5302 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
5304 2001-08-13 Richard Henderson <rth@redhat.com>
5306 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
5307 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
5308 * doc/tm.texi (Exception Region Output): Document it.
5310 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
5312 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
5313 DWARF2 instead of stabs by default.
5315 2001-08-13 David Edelsohn <edelsohn@gnu.org>
5317 * config/rs6000/rs6000.c: Include optabs.h.
5319 2001-08-13 David Edelsohn <edelsohn@gnu.org>
5321 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
5322 save/restore routines.
5323 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
5325 2001-08-13 Andreas Jaeger <aj@suse.de>
5327 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
5328 the english is correct.
5330 2001-08-13 Zack Weinberg <zackw@panix.com>
5332 * expr.h: Split out optab- and libfunc-related code to...
5333 * optabs.h, libfuncs.h: ... these new headers.
5335 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
5337 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
5339 * mkconfig.sh: Don't include insn-codes.h from config.h.
5341 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
5342 enum insn_code is available. Move reload_in_optab and
5343 reload_out_optab array declarations to optabs.h.
5344 * regmove.c (gen_add3_insn): Move to optabs.c, export from
5345 there, prototype in expr.h.
5346 * gencodes.c: Cleanup: zap global variables, don't use
5347 printf where puts will do, don't bother defining MAX_INSN_CODE
5348 which nothing uses, let CODE_FOR_nothing get its value implicitly.
5350 * genemit.c, genopinit.c: Include optabs.h in generated file.
5351 * genoutput.c: Include insn-codes.h in generated file.
5352 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
5353 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
5354 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
5355 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
5356 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
5357 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
5359 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
5360 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
5361 config/m88k/m88k.c, config/sparc/sparc.c:
5363 * reload.c: Include expr.h and optabs.h before reload.h.
5364 * config/alpha/alpha.c: Include tree.h before reload.h.
5365 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
5366 and reload.h in that order.
5367 * config/sparc/sparc.c: Include debug.h.
5368 * recog.c: Include insn-codes.h.
5370 2001-08-13 Andreas Jaeger <aj@suse.de>
5372 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
5375 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5377 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
5378 * gcc.c (init_spec): Fix typo in comment.
5379 * varasm.c (data_section): Fix typo in comment.
5381 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
5383 * predict.c (dump_prediction): New argument "USED".
5384 (combine_predictions_for_insn): Determine the used heuristics,
5385 output the case no heuristic applied.
5386 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
5388 2001-08-13 Andreas Jaeger <aj@suse.de>
5390 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
5393 2001-08-13 Kazu Hirata <kazu@hxi.com>
5395 * jump.c: Fix formatting.
5397 2001-08-13 Kazu Hirata <kazu@hxi.com>
5399 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
5402 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
5404 * loop.c (check_dbra_loop): Use condjump_label to compute
5407 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
5408 to better document the files they're in.
5410 2001-08-12 Zack Weinberg <zackw@panix.com>
5412 * recog.h (struct insn_operand_data): Shrink 'mode' field
5415 2001-08-12 Kazu Hirata <kazu@hxi.com>
5417 * gcc.c: Fix comment formatting.
5418 * gccspec.c: Likewise.
5421 * genemit.c: Likewise.
5422 * gengenrtl.c: Likewise.
5423 * genrecog.c: Likewise.
5424 * gensupport.c: Likewise.
5425 * ggc-page.c: Likewise.
5426 * global.c: Likewise.
5427 * graph.c: Likewise.
5428 * ifcvt.c: Likewise.
5429 * integrate.c: Likewise.
5431 * libgcc2.c: Likewise.
5433 * mbchar.c: Likewise.
5434 * optabs.c: Likewise.
5435 * predict.c: Likewise.
5436 * prefix.c: Likewise.
5437 * profile.c: Likewise.
5438 * protoize.c: Likewise.
5440 * recog.c: Likewise.
5441 * regclass.c: Likewise.
5442 * regmove.c: Likewise.
5443 * reg-stack.c: Likewise.
5444 * reload1.c: Likewise.
5445 * resource.c: Likewise.
5446 * rtlanal.c: Likewise.
5449 2001-08-12 Kazu Hirata <kazu@hxi.com>
5451 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
5452 a tree representing a constant is passed to the macro.
5454 2001-08-12 Richard Henderson <rth@redhat.com>
5456 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
5457 (rs6000_elf_asm_out_destructor): New.
5458 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
5459 (DTORS_SECTION_ASM_OP): Remove.
5460 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5461 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
5463 2001-08-12 David Edelsohn <edelsohn@gnu.org>
5466 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5467 * gcc.c (set_collect_gcc_options): New function, split out from
5469 Ignore elided switches.
5470 (do_spec_1): Invoke before executing command.
5471 (set_input): Export.
5472 Move declaration ...
5473 * gcc.h (set_input): ... here.
5474 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5477 2001-08-12 Richard Henderson <rth@redhat.com>
5479 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
5480 thinko wrt TARGET_RELOCATABLE.
5482 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
5484 * fix-header.c (cb_file_change): Update prototype.
5486 2001-08-11 Zack Weinberg <zackw@panix.com>
5488 * toplev.c (set_float_handler): Make static.
5489 * toplev.h: Don't prototype set_float_handler.
5491 * simplify-rtx.c: Don't include setjmp.h.
5492 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
5494 (simplify_unary_operation, simplify_binary_operation): Use them,
5495 via do_float_handler.
5497 * fold-const.c: Don't include setjmp.h.
5498 (exact_real_inverse_1): New function.
5499 (exact_real_inverse): Use it, via do_float_handler.
5501 * varasm.c: Don't include setjmp.h.
5502 (assemble_real_1): New function.
5503 (assemble_real): Use it, via do_float_handler.
5504 Call internal_error if we get a trap here.
5506 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
5507 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
5509 2001-08-11 Zack Weinberg <zackw@panix.com>
5511 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
5512 STACK_BOUNDARY if not already defined.
5514 * calls.c, function.c, reload1.c, explow.c: Don't default
5515 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
5516 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
5518 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
5521 * doc/tm.texi: Document that STACK_BOUNDARY is required;
5522 clarify difference between it and PREFERRED_STACK_BOUNDARY.
5524 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5526 * cppmacro.c (enter_macro_context): Push macro expansions even
5529 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5531 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
5532 (rs6000_elf_section_type_flags): Actually return a value.
5534 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
5536 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
5537 Clean up code: add missing comments and prototypes, fix warnings,
5538 remove obsolete code, fix spacing to conform to coding style.
5540 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
5542 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
5543 and TARGET_ASM_CLOSE_PAREN.
5544 (regclass_map): CC register belongs to class NO_REGS.
5545 (legitimize_pic_address): Don't generate unnecessary moves
5546 (to avoid confusing loop optimization).
5547 (check_and_change_labels): Replace jump_long by indirect_jump.
5548 (s390_final_chunkify): Don't start a new literal pool on section
5549 switch in 64-bit code.
5550 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
5552 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
5553 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
5554 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
5556 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
5557 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
5558 (CONST_COSTS): Fixed incorrect costs.
5560 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
5561 Use emit_jump instead of emit_jump_insn (gen_jump).
5562 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
5563 (to avoid confusing flow analysis).
5564 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
5565 (casesi, casesi_jump): New.
5566 (jump_long): Removed. Functionality merged into indirect_jump.
5567 (indirect_jump): Accept address_operand, not just register_operand.
5568 (cjump_long, icjump_long): Use same logic as indirect_jump.
5569 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
5570 Fixed broken setjmp/longjmp handling.
5571 (do_builtin_setjmp_setup): Removed.
5573 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
5574 broken GNU as versions that don't accept .quad with large
5575 negative values. Use hexadecimal output instead.
5576 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
5577 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
5578 FUNCTION_EPILOGUE): Removed. Now in targetm.
5580 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
5582 * config/s390/fixdfdi.h: Add missing copyright statement.
5583 Fix type conflicts on 64-bit. Add missing SFmode routines.
5585 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
5588 2001-08-11 Richard Henderson <rth@redhat.com>
5590 * rtl.h (REG_EH_RETHROW): Remove.
5591 * rtl.c (reg_note_name): Update.
5592 * combine.c (distribute_notes): Don't check for it.
5594 2001-08-11 Richard Henderson <rth@redhat.com>
5596 * combine.c (distribute_notes): Place REG_SETJMP.
5598 2001-08-11 Richard Henderson <rth@redhat.com>
5600 * doc/extend.texi (Arrays and pointers implementation): Discourage
5601 relying on sign-extension of pointers.
5603 2001-08-11 H.J. Lu <hjl@gnu.org>
5605 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
5607 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
5608 RDATA_SECTION_ASM_OP.
5610 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5612 * doc/install.texi (Specific, c4x): Fix cross-reference to the
5613 main manual to work both for info and HTML versions.
5615 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5616 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5618 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
5619 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
5620 (struct cpp_pool): New member first.
5621 * cppinit.c (append_include_chain): Plug memory leaks.
5622 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
5623 Allocate pragma structures from the (aligned) macro pool to
5624 avoid leaking memory.
5625 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
5626 so we don't leak memory.
5627 * hashtable.c (ht_destroy): New.
5628 * hashtable.h (ht_destroy): New.
5630 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5631 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5633 * c-lex.c (map): Make const.
5634 (cb_file_change): Update for callback passing a line map.
5635 Don't assume we have a previous map. Remove sanity check
5636 about popping too many files.
5637 * cpperror.c (print_location): Make map const.
5638 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
5639 (cpp_make_system_header): Similarly.
5640 (search_from): Similarly.
5641 (_cpp_execute_include): Don't remember where we came from.
5642 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
5643 (struct cpp_reader): Make map const.
5644 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
5645 * cpplib.c (do_line): Update; line maps now hold sysp.
5646 (cpp_push_buffer): Similarly.
5647 (_cpp_do_file_change): Similarly; callback with map instead.
5648 (cpp_get_line_maps): Constify return value.
5649 (_cpp_pop_buffer): Update.
5650 * cpplib.h (struct cpp_file_change): Remove.
5651 (struct cpp_callbacks): Update.
5652 (cpp_get_line_maps): Constify return value.
5653 * cppmacro.c (_cpp_create_definition): Update.
5654 * cppmain.c (struct printer): Constify map.
5655 (maybe_print_line): Similarly.
5656 (print_line): Similarly. Deduce flags 1 and 2 here.
5657 (cb_file_change): Update.
5658 * line-map.c (free_line_maps): Warn regardless.
5659 (add_line_map): Return pointer to const. When passed NULL to_file
5660 with LC_LEAVE, use the obvious values for the return point so the
5661 caller doesn't have to figure them out.
5662 (lookup_line): Return pointer to const.
5663 (print_containing_files): Take pointer to const.
5664 * line-map.h (struct line_map): New members reason, sysp.
5665 (add_line_map): Return pointer to const.
5666 (lookup_line): Similarly.
5667 (print_containing_files): Take pointer to const.
5669 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
5670 Richard Henderson <rth@redhat.com>
5672 * regmove.c (regmove_optimize): Avoid setting a register twice in
5675 2001-08-10 Richard Henderson <rth@redhat.com>
5677 * doc/extend.texi (Arrays and pointers implementation): Document
5678 behavior of pointer/integer conversion.
5680 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
5682 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
5684 2001-08-10 Richard Henderson <rth@redhat.com>
5686 * doc/extend.texi (C Implementation): New chapter.
5687 * doc/gcc.texi (Top): Link it in.
5689 2001-08-10 Andrew Cagney <ac131313@redhat.com>
5691 * doc/install.texi (Specific): Fix CVS merge botch.
5693 2001-08-10 Richard Henderson <rth@redhat.com>
5695 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
5696 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
5698 2001-08-10 Zack Weinberg <zackw@stanford.edu>
5700 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
5701 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
5702 this macro is now required.
5704 * cselib.c (cselib_process_insn), flow.c (propagate_block),
5705 loop.c (find_and_verify_loops), reload.c (reload): Check
5706 for rtx code of CALL_INSN, not CALL, when deciding if we
5707 need to check for REG_SETJMP note.
5709 * gcse.c (compute_hash_table, compute_store_table): Update
5710 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
5713 * config/avr/avr.c: Fix typo.
5714 * config/convex/convex.c (expand_movstr): Use adjust_address.
5715 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
5717 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
5718 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
5720 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
5721 Do define STACK_BOUNDARY.
5722 * config/i370/i370.c: Include expr.h.
5723 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
5724 config/pa/som.h, config/v850/v850.h: Take in_ctors and
5725 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
5726 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
5727 * config/m88k/m88k.c: Include c-tree.h after expr.h.
5728 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
5729 * config/romp/romp.c: Include expr.h after tree.h.
5731 (output_fpop): Use xmalloc, not oballoc.
5732 * config/we32k/we32k.c: Include expr.h.
5734 2001-08-10 Kazu Hirata <kazu@hxi.com>
5736 * config/h8300/h8300.h: Fix formatting.
5738 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5740 * c-common.h (RETURN_NULLIFIED_P): Lose.
5741 * c-semantics.c (genrtl_return_stmt): Don't check it.
5743 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5745 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
5746 (mips_annotate_frame_insn): New function.
5747 (mips_emit_frame_related_store): New function.
5748 (save_restore_insns): Don't mark instructions that set up the base
5749 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
5750 the store instructions instead.
5751 (mips_expand_prologue): If the stack size is moved into a temporary
5752 register, do not mark that move as frame-related. Add a
5753 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
5755 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5757 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
5758 stack slot as unchanging if current_function_calls_eh_return.
5760 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5762 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
5763 access the second half of the TFmode scratch operand.
5765 2001-08-10 Anthony Green <green@redhat.com>
5767 * java/class.c (emit_register_classes): Conditionalize code on
5770 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5772 * doc/install.texi (Specific, avr): Fix cross-reference to the
5773 main manual to work both for info and HTML versions.
5775 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5777 * stmt.c (expand_null_return_1): Remove code to generate simple returns
5778 and "use_goto" argument.
5779 (expand_null_return, expand_value_return): Update all callers.
5780 * function.c (expand_function_end): Remove code to generate simple
5782 * config/vax/vax.md (epilogue): New expander for function return.
5783 * doc/md.texi (epilogue): Remove "if defined".
5785 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5787 * Makefile.in: Partially revert my previous change:
5788 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
5789 of the hashtab.o and safe-ctype.o rules.
5791 2001-08-09 Richard Henderson <rth@redhat.com>
5793 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
5794 (USE_COLLECT2): Remove duplicate definition.
5795 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
5796 (use_collect2): Remove dead code.
5797 * configure.in (use_collect2): Remove will_use_collect2 and
5798 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
5799 * configure: Rebuild.
5801 * target.h (targetm.asm_out.constructor): New.
5802 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
5803 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
5804 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
5805 * varasm.c (in_ctors, in_dtors): New.
5806 (assemble_constructor, assemble_destructor): Remove.
5807 (default_stabs_asm_out_destructor): New.
5808 (default_named_section_asm_out_destructor): New.
5809 (dtors_section, default_dtor_section_asm_out_destructor): New.
5810 (default_stabs_asm_out_constructor): New.
5811 (default_named_section_asm_out_constructor): New.
5812 (ctors_section, default_ctor_section_asm_out_constructor): New.
5813 * output.h: Update declarations.
5814 * c-decl.c (c_expand_body): Use target hooks instead of
5815 assemble_constructor and assemble_destructor.
5816 * profile.c (output_func_start_profiler): Likewise.
5817 * objc/objc-act.c (finish_objc): Likewise.
5818 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
5819 for the constructor.
5820 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
5822 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
5823 (DTORS_SECTION_ASM_OP): Likewise.
5824 (__CTOR_LIST__): Use attribute section when possible.
5825 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
5827 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
5828 ASM_OUTPUT_CONSTRUCTOR.
5830 * config/darwin.c (machopic_asm_out_constructor): New.
5831 (machopic_asm_out_destructor): New.
5832 * config/darwin-protos.h: Update declarations.
5833 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5834 (ASM_OUTPUT_DESTRUCTOR): Remove.
5835 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5836 * config/nextstep.c (nextstep_asm_out_constructor): New.
5837 (nextstep_asm_out_destructor): New.
5838 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5839 (ASM_OUTPUT_DESTRUCTOR): Remove.
5840 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5841 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
5842 ASM_OUTPUT_*STRUCTOR.
5843 * config/i386/aix386ng.h: Likewise.
5845 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
5846 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
5847 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5848 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5849 * config/lynx.h: Likewise.
5850 * config/netware.h: Likewise.
5851 * config/psos.h: Likewise.
5852 * config/alpha/alpha-interix.h: Likewise.
5853 * config/alpha/elf.h: Likewise.
5854 * config/arc/arc.h: Likewise.
5855 * config/arm/aof.h: Likewise.
5856 * config/arm/coff.h: Likewise.
5857 * config/arm/elf.h: Likewise.
5858 * config/c4x/c4x.h: Likewise.
5859 * config/h8300/h8300.h: Likewise.
5860 * config/i386/cygwin.h: Likewise.
5861 * config/i386/djgpp.h: Likewise.
5862 * config/i386/i386-coff.h: Likewise.
5863 * config/i386/i386-interix.h: Likewise.
5864 * config/i386/sco5.h: Likewise.
5865 * config/i386/vsta.h: Likewise.
5866 * config/i386/win32.h: Likewise.
5867 * config/i960/i960-coff.h: Likewise.
5868 * config/ia64/sysv4.h: Likewise.
5869 * config/m68hc11/m68hc11.h: Likewise.
5870 * config/m68k/coff.h: Likewise.
5871 * config/m68k/mot3300.h: Likewise.
5872 * config/m88k/m88k.h: Likewise.
5873 * config/mcore/mcore-pe.h: Likewise.
5874 * config/mcore/mcore.h: Likewise.
5875 * config/mips/elf.h: Likewise.
5876 * config/mips/elf64.h: Likewise.
5877 * config/mips/iris6.h: Likewise.
5878 * config/pa/pa64-hpux.h: Likewise.
5879 * config/rs6000/sysv4.h: Likewise.
5880 * config/sh/sh.h: Likewise.
5881 * config/sparc/litecoff.h: Likewise.
5883 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
5884 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5885 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5886 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5887 (ASM_OUTPUT_DESTRUCTOR): Remove.
5888 * config/a29k/a29k.c: Move include of tree.h.
5889 * config/a29k/udi.h: Delete file.
5890 * config/alpha/alpha.c (vms_asm_out_constructor): New.
5891 (vms_asm_out_destructor): New.
5892 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
5893 (EXTRA_SECTION_FUNCTIONS): Likewise.
5894 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5895 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5896 * config/c4x/c4x.c: Move include of tree.h.
5897 * config/clipper/clipper.c (clix_asm_out_constructor): New.
5898 (clix_asm_out_destructor): New.
5899 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5900 (ASM_OUTPUT_DESTRUCTOR): Remove.
5901 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5902 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5903 (TARGET_ASM_CONSTRUCTOR): New.
5904 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
5905 (sco_asm_out_constructor): New.
5906 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
5907 * config/i386/svr3gas.h: Remove stack grows up code.
5908 Remove code duplicated from i386/sysv3.h.
5909 (TARGET_ASM_CONSTRUCTOR): New.
5910 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5911 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
5912 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5913 (TARGET_ASM_CONSTRUCTOR): New.
5914 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
5915 (m68hc11_asm_out_destructor): New.
5916 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
5917 (TARGET_ASM_DESTRUCTOR): New.
5918 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
5919 * config/m68k/dpx2.h: Properly undef all the bits inherited from
5920 config/svr3.h pertaining to section manipulation.
5921 * config/m68k/dpx2g.h: Remove #if 0 code.
5922 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
5923 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
5924 (ASM_OUTPUT_CONSTRUCTOR): Remove.
5925 (TARGET_ASM_CONSTRUCTOR): New.
5926 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
5927 (m88k_svr3_asm_out_constructor): New.
5928 (m88k_svr3_asm_out_destructor): New.
5929 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5930 (ASM_OUTPUT_DESTRUCTOR): Remove.
5931 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5932 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
5933 * config/rs6000/aix.h: Likewise.
5934 * config/mips/rtems64.h: Don't undef removed constructor related bits.
5935 * config/mips/vxworks.h: Likewise.
5936 * config/rs6000/lynx.h: Likewise.
5937 * config/sh/elf.h: Likewise.
5938 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
5939 (DTORS_SECTION_ASM_OP): New.
5940 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5941 (ASM_OUTPUT_DESTRUCTOR): Remove.
5942 * config/sparc/sol2-sld-64.h: Likewise.
5943 * config/vax/vax.c (vms_asm_out_constructor): New.
5944 (vms_asm_out_destructor): New.
5945 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5946 (ASM_OUTPUT_DESTRUCTOR): Remove.
5947 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5949 * doc/tm.texi (@node Initialization): Update.
5951 2001-08-09 Richard Henderson <rth@redhat.com>
5953 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
5954 (__do_global_dtors_aux): Use gp-relative static data to avoid
5955 one dynamic relocation.
5956 (__do_frame_setup): Register Java classes.
5957 * config/alpha/crtend.asm (__JCR_END__): New.
5959 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5961 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
5962 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
5963 (GEN, STAGESTUFF): Add new files.
5964 (insn-constants.h, s-constants, tm-preds.h, s-preds,
5965 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
5966 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
5967 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
5968 as well as insn-codes.h and insn-flags.h in config.h; and no
5969 extra headers in tconfig.h and hconfig.h.
5971 * gencodes.c: Eliminate code to generate predicate declarations
5972 or #defines for md-file constants.
5973 * genconstants.c, genpreds.c: New files.
5975 * i386.md: Re-order guard expressions such that TARGET_64BIT
5976 comes first, when this permits better optimization. Add
5977 TARGET_64BIT to more x86-64 patterns. Add comment explaining
5978 why this is desirable.
5980 2001-08-09 Jakub Jelinek <jakub@redhat.com>
5982 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
5983 (find_fde_for_dso): Remove.
5984 (_Unwind_IteratePhdrCallback): New.
5985 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
5986 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
5988 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5990 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
5991 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
5993 2001-08-09 Graham Stott <grahams@redhat.com>
5995 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
5996 (vis_no_unit): Use it.
5997 (visualize_no_unit): Add the insn only if room exists.
5999 2001-08-09 Graham Stott <grahams@redhat.com>
6001 * predict.c (estimate_probability): Replace magic numbers with
6002 appropriate enumeration.
6004 2001-08-09 Graham Stott <grahams@redhat.com>
6006 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
6008 (EXTRACT_FLAGS): Likewise.
6010 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
6012 * config/mips/mips.c (mips_legitimate_address_p): Check for
6013 CONST_INT in last patch.
6015 2001-08-08 Anthony Green <green@redhat.com>
6017 * java/class.c (emit_register_classes): Use assemble_jcr if
6018 possible. Keep the original mechanism as a fallback.
6019 * defaults.h (JCR_SECTION_NAME): Define if we have named section
6020 and weak symbol support.
6021 * crtstuff.c (__JCR_LIST__): Define.
6022 (__JCR_END__): Define.
6023 (_Jv_RegiserClasses): Define weak symbol if possible.
6024 (__do_global_ctors_aux): Register classes for ELF targets with
6025 weak symbol support.
6027 2001-08-08 Kazu Hirata <kazu@hxi.com>
6029 * dbxout.c: Fix comment formatting.
6030 * dependence.c: Likewise.
6032 * diagnostic.c: Likewise.
6033 * dominance.c: Likewise.
6034 * doprint.c: Likewise.
6035 * dwarf2out.c: Likewise.
6036 * dwarfout.c: Likewise.
6037 * emit-rtl.c: Likewise.
6038 * except.c: Likewise.
6039 * explow.c: Likewise.
6040 * expmed.c: Likewise.
6043 * fold-const.c: Likewise.
6044 * function.c: Likewise.
6046 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6048 * global.c (retry_global_alloc): Avoid shadowing allocno.
6050 2001-08-08 Mark Mitchell <mark@codesourcery.com>
6052 * except.c (remove_fixup_regions): Fix typo.
6054 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
6056 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
6057 unsigned HOST_WIDE_INT to avoid warning.
6058 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
6059 * flow.c (set_block_for_new_insns): Likewise.
6061 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
6063 * sibcall.c (return_value_pseudo): New static variable.
6064 (skip_copy_to_return_value): Handle return_value_pseudo.
6065 (call_ends_block_p): Ensure that return_value_pseudo is set.
6066 (optimize_sibling_and_tail_recursive_call): Discover the
6067 load of pseudo return value in alternate exit block.
6069 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6071 * calls.c (ECF_ALWAYS_RETURN): New constant.
6072 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
6073 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
6074 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
6075 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
6076 * rtl.c (reg_note_name): New name.
6077 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
6079 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
6081 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
6083 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
6085 * alias.c (get_alias_set): Return a previously calculated
6086 alias set for a VAR_DECL.
6087 * function.c (gen_mem_addressof): Calculate the alias set before
6090 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
6092 * predict.def: Set hitrates according our experimental run.
6094 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
6096 * i386.h (HARD_REGNO_RENAME_OK): New macro.
6098 2001-08-08 H.J. Lu <hjl@gnu.org>
6100 * config/mips/mips.c (mips_unique_section): New. Copied from
6103 * config/mips/mips-protos.h (mips_unique_section): New
6106 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
6108 * config/mips/little.h: New. Generic little endian mips
6109 targets. Only mips*-*-linux* is converted to use it so far.
6111 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
6112 (WCHAR_TYPE): Defined
6113 (WCHAR_TYPE_SIZE): Likewise.
6114 (INIT_SUBTARGET_OPTABS): Likewise.
6115 (BSS_SECTION_ASM_OP): Likewise.
6116 (SBSS_SECTION_ASM_OP): Likewise.
6117 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
6118 (ASM_DECLARE_OBJECT_NAME): Likewise.
6119 (UNIQUE_SECTION): Likewise.
6120 (EXTRA_SECTIONS): Likewise.
6121 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
6122 (ASM_OUTPUT_DESTRUCTOR): Likewise.
6123 (ASM_OUTPUT_DEF): Likewise.
6124 (HANDLE_SYSV_PRAGMA): Removed.
6125 (NO_IMPLICIT_EXTERN_C): Likewise.
6126 (TARGET_MEM_FUNCTIONS): Likewise.
6127 (STARTFILE_SPEC): Likewise.
6128 (ENDFILE_SPEC): Likewise.
6129 (LIB_SPEC): Likewise.
6130 (INVOKE__main): Likewise.
6131 (CTOR_LIST_BEGIN): Likewise.
6132 (CTOR_LIST_END): Likewise.
6133 (DTOR_LIST_BEGIN): Likewise.
6134 (DTOR_LIST_END): Likewise.
6135 (SET_ASM_OP): Likewise.
6136 (ASM_OUTPUT_SOURCE_LINE): Likewise.
6137 (ASM_OUTPUT_DEF): Likewise.
6138 (ASM_OUTPUT_IDENT): Likewise.
6140 * config/mips/mips.h (ASM_SPEC): Undefine before define.
6141 (CPLUSPLUS_CPP_SPEC): Likewise.
6142 (ASM_APP_ON) Redefine only if not defined.
6143 (ASM_APP_OFF): Likewise.
6144 (ASM_OUTPUT_SOURCE_LINE): Likewise.
6145 (ASM_OUTPUT_IDENT): Likewise.
6147 * config.gcc: Update tm_file for Linux/mips.
6149 2001-08-08 Bernd Schmidt <bernds@redhat.com>
6151 * cselib.c (cselib_record_sets): If insn is predicated, turn
6152 sources into IF_THEN_ELSEs.
6154 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
6155 Turn into define_insn_and_split.
6157 * sched-deps.c: Include "cselib.h".
6158 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
6159 Use cselib to turn memory addresses into VALUEs.
6160 (sched_analyze): Call cselib_init/cselib_finish if necessary.
6161 * sched-int.h (struct sched_info): New member USE_CSELIB.
6162 * sched-ebb.c (ebb_sched_info): Initialize it.
6163 * sched-rgn.c (rgn_sched_info): Likewise.
6164 * Makefile.in (sched-deps.o): Update dependencies.
6166 * cselib.h (cselib_subst_to_values): Declare.
6167 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
6168 that have no value and autoincs to be handled by generating a new
6171 2001-08-08 Graham Stott <grahams@redhat.com>
6173 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
6174 within fixed length SEQUENCE.
6176 2001-08-08 Graham Stott <grahams@redhat.com>
6178 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
6179 (diagnostic_prefixing_rule): Likewise.
6180 (diagnostic_line_cutoff): Likewise.
6181 (diagnostic_kind_count): Likewise.
6183 2001-08-08 Graham Stott <grahams@redhat.com>
6185 * alias.c (find_base_decl): Delete redundent assignment.
6187 2001-08-08 Graham Stott <grahams@redhat.com>
6189 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
6190 (abs): Uppercase and paranthesize macro parameter.
6191 (MEM_DEPENDENCY): Add whitespace.
6193 2001-08-08 Graham Stott <grahams@redhat.com>
6195 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
6196 failure check for CONST_INT
6198 2001-08-08 Graham Stott <grahams@redhat.com>
6200 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
6201 (libcall_dead_p): Likewise.
6203 (mark_used_regs): Constify fmt.
6204 (find_use_as_address): Likewise.
6206 2001-08-08 Graham Stott <grahams@redhat.com>
6208 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
6211 2001-08-08 Graham Stott <grahams@redhat.com>
6213 * combine.c (combine_simplify_rtx): Update comment and
6214 remove erroneous test.
6216 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
6218 * cppinit.c (cpp_finish): Pop the final buffer without comment.
6219 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
6220 take care to avoid multiple no-newline at EOF warnings in that
6223 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
6225 * calls.c (expand_call): Do not emit INSN_SETJMP note.
6226 (emit_library_call_value_1): Likewise.
6227 (emit_call_1): Emit REG_SETJMP note.
6228 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
6230 * cselib.c (cselib_process_insn): Likewise.
6231 * flow.c (propagate_block): Likewise.
6232 * loop.c (find_and_verify_loops): Likewise.
6233 * reload.c (find_equiv_regs): Likewise.
6234 * reload1.c (reload): Likewise.
6235 * resource.c (mark_referenced_resources,
6236 mark_set_resources): Likewise.
6237 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
6238 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
6239 * haifa-sched.c (unlink_other_notes): Likewise.
6240 (reemit_notes): Likewise.
6241 * sched-ebb.c (sched_ebb): Likewise.
6242 * sched-rgc.c (sched_region): Likewise.
6243 * rtl.c (note_insn_name): Likewise.
6244 (reg_note_name): Add REG_SETJMP
6245 * rtl.h (reg_note): Add REG_SETJMP.
6246 (insn_note): Remove NOTE_INSN_SETJMP.
6248 * profile.c (branch_prob): Add fake edges for setjmp.
6250 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
6252 * config.gcc: Quote target_cpu_default2 correctly for
6253 powerpc*-*-* targets.
6255 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
6257 * cpplib.h, line-map.h: Update comments.
6258 * cppmain.c (printer_init): Move inline.
6259 (maybe_print_line, print_line): Take a map pointer.
6260 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
6261 (cb_file_change): Don't use prior value of print.map.
6263 2001-08-07 David Edelsohn <edelsohn@gnu.org>
6265 * doc/install.texi: Document fine-grained multilib configuration.
6267 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
6269 * rtlanal.c (find_first_parameter_load): Call note_stores
6270 only on the instructions.
6272 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6274 * alias.c (nonlocal_mentioned_p):
6275 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
6276 * calls.c (emit_call_1): Likewise.
6277 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
6278 * cselib.c (cselib_process_insn): Likewise.
6279 * df.c (df_insns_modify): Likewise.
6280 * flow.c (need_fake_edge_p): Likewise.
6281 (propagate_one_insn): Likewise.
6282 * haifa-sched.c (reemit_notes): Likewise.
6283 * integrate.c (copy_insn_list): Likewise.
6284 * jump.c (delete_prior_computation): Likewise.
6285 * local-alloc.c (validate_equiv_mem): Likewise.
6286 * loop.c (scan_loop): Likewise.
6287 * predict.c (estimate_probability): Likewise.
6288 * reload.c (reload): Likewise.
6289 * sched-deps (sched_analyze): Likewise.
6290 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
6291 * gcse.c (compute_hash_table): Likewise.
6292 (mark_call): Likewise.
6293 (store_killed_in_insn): Likewise.
6295 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
6297 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
6299 2001-08-06 Richard Henderson <rth@redhat.com>
6301 * varasm.c (assemble_gc_entry): Remove.
6302 * output.h: Likewise.
6304 2001-08-06 Richard Henderson <rth@redhat.com>
6306 * varasm.c (assemble_constructor): Take a symbol_ref and a
6307 priority instead of a bare string. Move priority handling
6308 here from cp/decl2.c.
6309 * output.h: Update decls.
6311 * c-decl.c (c_expand_body): Update calls to assemble_constructor
6312 and assemble_destructor.
6313 * profile.c (output_func_start_profiler): Likewise.
6314 * objc/objc-act.c (finish_objc): Likewise.
6315 (build_module_descriptor): Return the symbol not the symbol name.
6317 2001-08-06 David Edelsohn <edelsohn@gnu.org>
6319 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
6320 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
6321 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
6322 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
6323 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
6324 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
6326 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
6328 * cpperror.c (print_containing_files): Moved to line-map.c.
6329 (print_location): line-map.c handles re-listing or otherwise.
6330 * cpphash.h (struct lexer_state): Remove next_bol.
6331 (struct cpp_buffer): Remove include_stack_listed.
6332 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
6333 Remove faked buffer handling.
6334 (_cpp_do_file_change): Tweak.
6335 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
6336 * cppmain.c (struct printer): Remove filename.
6337 (print_line, cb_file_change): Update accordingly.
6338 * line-map.c: Include intl.h.
6339 (init_line_maps): Initialize last_listed.
6340 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
6341 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
6342 (print_containing_files): New.
6343 * line-map.h (struct line_maps): New member last_listed.
6344 (print_containing_files, INCLUDED_FROM): New.
6345 * Makefile.in: Update.
6346 * po/POTFILES.in: Add line-map.c.
6348 2001-08-06 Richard Henderson <rth@redhat.com>
6350 * except.c (convert_from_eh_region_ranges_1): Never mark
6351 USE or CLOBBER insns as throwing.
6353 * expr.c (store_constructor): Don't clobber memory targets.
6355 2001-08-06 Andreas Jaeger <aj@suse.de>
6357 * profile.c (branch_prob): Remove unused variable insn.
6359 * Makefile.in (local-alloc.o): Add dependency on except.h.
6361 * local-alloc.c: Include except.h for can_throw_internal prototype.
6363 2001-08-06 Richard Henderson <rth@redhat.com>
6365 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6366 * function.c (expand_main_function): Implement it.
6367 * doc/tm.texi: Document it.
6369 2001-08-06 Stan Shebs <shebs@apple.com>
6371 * doc/install.texi: Document powerpc-*-darwin* details.
6373 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
6375 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
6376 (ASM_CPU_SPEC): Move back to rs6000.h
6377 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
6379 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
6381 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
6384 * config/rs6000/linux64.h: Ditto.
6386 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
6387 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
6390 Remove accidently readded definitions of FUNCTION_PROLOGUE,
6391 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
6393 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
6396 2001-08-05 Richard Henderson <rth@redhat.com>
6398 * local-alloc.c (update_equiv_regs): Do not move insns that
6401 2001-08-05 Jan Hubicka <jh@suse.cz>
6403 * Makefile.in (reload1.o): Add dedendancy on except.h
6404 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
6406 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
6407 indicating wehther edges has been cleaned up.
6408 * reload1.c: Inlucde except.h
6409 (fixup_abnormal_edges): Accept deleted insns.
6410 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
6413 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
6415 * cpplib.c (do_line): Correct line number after pop_buffer.
6417 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
6419 PR preprocessor/3824
6420 * line-map.c: Update comments.
6421 * line-map.h: Update comments.
6422 * tradcif.y: Don't consider large numbers unsigned.
6424 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
6426 PR preprocessor/3081
6427 * c-lex.c (map): New.
6428 (cb_file_change): Update map and use it.
6429 (cb_def_pragma, cb_define, cb_undef): Use map and line.
6430 (c_lex): Update to use map.
6431 * cpperror.c (print_location): Move to using logical line numbers.
6432 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
6433 (cpp_make_system_header): Similarly.
6434 (_cpp_execute_include): Stop line numbering hacks. Store the
6435 line we will return to.
6436 * cpphash.h (CPP_BUF_LINE): Remove.
6437 (struct cpp_buffer): Remove lineno and pseudo_newlines.
6438 Add map and return_to_line.
6439 (_cpp_do_file_change): Update.
6440 * cppinit.c (cpp_start_read): Update line kludge.
6441 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
6442 (trigraph_ok): Use logical line numbers for diagnostics.
6443 (skip_block_comment): Likewise.
6444 (skip_whitespace): Likewise.
6445 (skip_line_comment): Use pfile->line instead.
6446 (_cpp_lex_token): Update to use logical line numbering exclusively.
6447 Handle BOL locally. Accept new lines in directives, but keep
6448 pfile->line decremented. Diagnostics use logical lines. Update
6450 * cpplib.c (SEEN_EOL): New.
6451 (skip_rest_of_line, check_eol): Use it.
6452 (end_directive): Increase line number when accepting the newline
6453 at the end of a directive.
6454 (run_directive): Simplify.
6455 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
6456 (_cpp_do_file_change): Update to take buffer line number as an
6457 argument, and store the current map in the cpp_reader. Remove
6458 line number kludges.
6459 (_cpp_do__Pragma): Restore output position after a _Pragma.
6460 (cpp_push_buffer): Don't set output line or lineno.
6461 (_cpp_pop_buffer): Transfer more info from a faked buffer.
6462 Remove line kludge. Set output_line.
6463 * cppmacro.c (builtin_macro): Update handling of __LINE__.
6464 (parse_arg): Use logical lines.
6465 (save_lookahead_token): Save EOFs too now.
6466 * cppmain.c (struct printer): Fix comments.
6467 (printer_init): Simplify, let caller do errors.
6468 (scan_translation_unit, check_multiline_token, dump_macro): Update.
6469 (maybe_print_line): Simplify.
6470 (print_line): Don't print a linemarker if -P.
6471 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
6472 (cb_file_change): Simplify.
6473 * line-map.h (LAST_SOURCE_LINE): Fix.
6474 (CURRENT_LINE_MAP): New.
6476 2001-08-05 Bernd Schmidt <bernds@redhat.com>
6478 * doloop.c (doloop_modify_runtime): Properly compute number of
6479 iterations if loop was unrolled.
6481 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
6482 if their CSELIB_VAL_PTRs are.
6484 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
6485 (setup_spill_pointers): Initialize it.
6486 (spill_restore_mem): Set it.
6487 (do_spill, do_restore): Use it to add REG_INC note.
6488 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
6490 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
6491 asms if other insns are available.
6493 * config/ia64/ia64.c (condop_operator): New predicate.
6494 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
6495 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
6498 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
6499 temporary register than directly using a MEM.
6501 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6503 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
6504 parameter in last change.
6506 2001-08-04 Zack Weinberg <zackw@panix.com>
6508 * sparc.md: Don't use #if inside C test expression.
6510 2001-08-04 Richard Henderson <rth@redhat.com>
6512 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
6514 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
6516 * cpphash.h (struct cpp_reader): New member directive_line.
6517 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
6518 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
6519 do_pragma): Pass line to callbacks.
6520 (start_directive): Record line of directive.
6521 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
6522 cb_include): Similarly.
6523 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
6526 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6528 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
6531 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6533 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
6535 * reload1.c (fixup_abnormal_edges): New static function.
6538 * flow.c (need_fake_edge_p): New function.
6539 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
6540 avoid call insn to be very last insn in the insn stream.
6542 * profile.c (branch_prob): Call flow_call_edges_add instead of
6543 doing that by hand; cleanup cfg to re-merge basic blocks once
6546 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6548 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
6549 are also on line-map.h.
6550 * cppfiles.c (stack_include_file): Update.
6551 * cpphash.h (struct cpp_buffer): New member return_at_eof.
6552 (_cpp_pop_buffer): New.
6553 * cppinit.c (cpp_destroy, cpp_finish): Update.
6554 (do_includes): Mark each buffer to return at EOF.
6555 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
6556 return as requested.
6557 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
6558 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
6559 * cpplib.h (cpp_pop_buffer): Remove.
6560 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
6561 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
6563 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
6565 (do_preprocessing): Update.
6566 * fix-header.c (read_scan_file): Update. No need to pop buffers.
6567 * c-parse.in (_yylex): Similarly.
6568 * scan-decls.c (scan_decls): Similarly.
6569 * line-map.h: Update comments.
6571 * objc/Make-lang.in (objc-act.o): Update dependencies.
6573 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6575 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
6576 and soft register for operand 0.
6577 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
6579 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6581 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
6582 register for operand 0.
6583 ("bitcmpqi_z_used"): Allow memory for operand 0.
6584 (split "bitcmpqi"): New split to handle address reg as operand 1.
6586 2001-08-04 Andreas Jaeger <aj@suse.de>
6588 * gcse.c: Revert Daniel's last patch.
6590 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6592 * sparc-protos.h: Add prototypes for fp_zero_operand and
6594 * sh-protos.h: Add prototype for fpul_operand.
6596 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6598 * doc/extend.texi (Other Builtins): Fix typo in last change.
6600 2001-08-03 Richard Henderson <rth@redhat.com>
6602 * target.h (gcc_target): Add asm_out.named_section,
6603 section_type_flags, have_named_sections.
6604 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
6605 (TARGET_HAVE_NAMED_SECTIONS): New.
6606 (TARGET_SECTION_TYPE_FLAGS): New.
6608 * Makefile.in (toplev.o): Depend on TARGET_H.
6609 (varasm.o, dbxout.o): Likewise.
6610 * c-common.c (decl_attributes): Check targetm.have_named_sections
6611 instead of ifdef ASM_OUTPUT_SECTION_NAME.
6612 * dbxout.c (dbxout_function_decl): Likewise.
6613 (dbxout_function_end): Likewise.
6614 * toplev.c (compile_file): Likewise.
6615 * varasm.c (exception_section): Likewise.
6616 * cp/decl2.c (finish_objects): Likewise.
6618 * defaults.h (EH_FRAME_SECTION): Remove.
6619 (EH_FRAME_SECTION_ASM_OP): Remove.
6620 (EH_FRAME_SECTION_NAME): New.
6621 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
6622 (UNIQUE_SECTION_P): Remove.
6623 * dwarf2out.c (SECTION_FORMAT): Remove.
6624 (ASM_OUTPUT_SECTION): Remove.
6625 (output_call_frame_info): Use named_section_flags.
6626 (output_comp_unit, dwarf2out_start_source_file): Likewise.
6627 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
6628 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
6629 * varasm.c (in_eh_frame, eh_frame_section): Remove.
6630 (named_section_flags): New.
6631 (named_section): Use it and targetm.section_type_flags.
6632 (resolve_unique_section): New.
6633 (assemble_start_function): Use it.
6634 (asm_emit_uninitialised, assemble_variable): Likewise.
6635 (default_section_type_flags): New.
6636 (default_no_named_section, default_elf_asm_named_section): New.
6637 (default_coff_asm_named_section, default_pe_asm_named_section): New.
6638 * output.h: Update varasm.c decls.
6639 (SECTION_*): New flags.
6641 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
6642 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
6644 * config/elfos.h (UNIQUE_SECTION_P): Remove.
6645 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
6646 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
6647 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6648 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
6649 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
6650 * config/mips/elf.h, config/mips/elf64.h: Likewise.
6651 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
6652 * config/pa/pa64-hpux.h,
6654 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
6655 (TARGET_ASM_NAMED_SECTION): New.
6656 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
6657 * config/alpha/vms.h, config/arm/coff.h: Likewise.
6658 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
6659 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
6660 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
6661 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
6662 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6663 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
6664 * config/i386/sco5.h, config/i386/win32.h: Likewise.
6665 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
6666 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
6667 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
6668 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
6669 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
6670 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
6671 * config/sparc/sysv4.h: Likewise.
6673 * config/nextstep.h: Error until named sections implemented.
6675 * config/a29k/a29k.c (a29k_asm_named_section): New.
6676 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
6677 (vms_section_type_flags, vms_asm_named_section): New.
6678 * config/arm/arm.c (arm_elf_asm_named_section): New.
6679 * config/avr/avr.c (asm_output_section_name): Remove.
6680 * config/avr/avr-protos.h: Update.
6681 * config/c4x/c4x.c (c4x_asm_named_section): New.
6682 * config/h8300/h8300.c (h8300_asm_named_section): New.
6683 * config/i386/i386.c (sco_asm_named_section): New.
6684 * config/i386/winnt.c (SECTION_PE_SHARED): New.
6685 (i386_pe_section_type_flags): New.
6686 (i386_pe_asm_named_section): New.
6687 * config/i386/i386-protos.h: Update.
6688 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
6689 * config/mcore/mcore.c (mcore_asm_named_section): New.
6690 * config/mips/mips.c (iris6_asm_named_section): New.
6691 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
6692 instead of UNIQUE_SECTION_P.
6693 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
6694 (xcoff_asm_named_section): New.
6695 * config/sh/sh.c (sh_asm_named_section): New.
6696 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
6698 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
6699 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
6700 (EH_FRAME_SECTION_NAME): New.
6701 (EXCEPTION_SECTION): New.
6702 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
6703 (DEBUG_*_SECTION): Remove.
6704 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
6705 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
6706 (EH_FRAME_SECTION_ASM_OP): Remove.
6708 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
6709 (ASM_OUTPUT_SECTION_NAME): Remove.
6710 (TARGET_ASM_NAMED_SECTION): New.
6711 (TARGET_HAVE_NAMED_SECTIONS): New.
6712 (TARGET_SECTION_TYPE_FLAGS): New.
6713 (EH_FRAME_SECTION_ASM_OP): Remove.
6714 (EH_FRAME_SECTION_NAME): New.
6716 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6718 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
6719 for complex expressions when cfun == 0.
6720 * doc/extend.texi: Document that __builtin_constant_p can be
6721 used in data initializers as well as functions.
6723 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
6725 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
6726 variable I locally, instead of expecting a declaration in the
6729 2001-08-03 Richard Henderson <rth@redhat.com>
6731 * except.c (collect_one_action_chain): Add an explicit cleanup
6732 action if regions surrounding a catch were encoded entirely
6733 within the call-site entry.
6735 2001-08-03 Richard Henderson <rth@redhat.com>
6737 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
6738 don't take REGNO of a non-register.
6740 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6742 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
6743 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
6744 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
6745 (__gthread_mutex_init_function): New function for mutex initialization.
6747 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6749 * Makefile.in: Revert screwed up commit.
6751 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6753 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
6754 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
6755 merged by linker script to get a final _exit().
6756 (__do_global_dtors): New for destructor handling in specific exit
6758 (__do_global_ctors): New for constructors in specific install section.
6759 (__map_data_section): Map data sections before running constructors.
6760 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
6761 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
6762 (DTORS_SECTION_ASM_OP): Likewise.
6763 (CTORS_SECTION_FUNCTION): Define to force a reference to
6765 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
6767 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6769 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
6771 * Makefile.in: Add df.h to gcse.c dependencies.
6773 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6775 * varasm.c (output_constant_def_contents): Use for the length of a
6776 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
6777 depending on which is larger.
6779 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6781 * gcse.c: Include df.h for use as a dataflow analyzer.
6783 Declaration of reg_set_info: gone.
6784 New df_analyzer variable used by store motion.
6785 (reg_set_info): Deleted.
6786 (mark_mem_regs): New function, analyze regs used by a mem.
6787 (store_ops_ok): Use dataflow analyzer results to determine if
6788 necessary regs are changed in the block.
6789 (find_moveable_store): Remove check for symbol ref, we can handle
6790 much more complex expressions now.
6791 (compute_store_table): Remove most of the code, it's unnecessary
6792 now that the dataflow analyzer records the info for us.
6793 (store_killed_after): Add parameter to say whether to do the
6794 store_ops_okay test, used to speed up testing when we already know
6795 the answer, and just want to know if the store itself was killed.
6796 (build_store_vector): Largely rewritten to calculate the various
6797 vectors properly, and somewhat optimized.
6798 (store_motion): Init the df_analyzer, get REG_DEF chains.
6799 Also handle trapping expressions (since mems almost always trap)
6800 (simple_mem): Redefine what a simple mem is.
6802 2001-08-03 DJ Delorie <dj@redhat.com>
6804 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
6805 set from a constant part of the condition.
6807 2001-08-01 Andrew Cagney <ac131313@redhat.com>
6809 * mkdeps.c (deps_add_default_target): Make local variable
6810 ``start'' a const char pointer.
6811 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
6813 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6815 * doc/install.texi (Configuration): Fix markup.
6816 (Specific, i?86-*-udk): Likewise.
6817 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
6819 Document --enable-threads and --enable-libgcj status.
6820 (Specific, mips-sgi-irix*): Canonicalize triples.
6821 (Specific, mips-sgi-irix5): Warn about problems with this config.
6822 Mention required GNU as patch.
6823 Native assembler problems are fixed.
6824 (Specific, mips-sgi-irix6): Update O32 ABI support status.
6825 Document --enable-threads and --enable-libgcj status.
6827 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6829 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
6832 2001-08-03 Richard Henderson <rth@redhat.com>
6834 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
6837 2001-08-03 Richard Henderson <rth@redhat.com>
6839 * rtlanal.c (find_first_parameter_load): Stop if we
6840 reach a CODE_LABEL at BOUNDARY.
6842 2001-08-03 Richard Henderson <rth@redhat.com>
6844 * config/alpha/alpha.md (force_movdi): New insn.
6845 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
6846 Tweek FRP marking of VMS prologue insns.
6847 * config/alpha/vms.h (EPILOGUE_USES): New.
6849 2001-08-02 Richard Henderson <rth@redhat.com>
6851 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
6853 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6855 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
6856 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
6857 config/convex/convex.h, config/d30v/d30v.c,
6858 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
6859 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
6860 config/mips/mips.h, config/mn10200/mn10200.h,
6861 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
6862 config/v850/v850.h, config/vax/openbsd.h,
6863 config/vax/openbsd1.h, config/vax/ultrix.h,
6864 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
6865 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
6866 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
6867 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
6868 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
6869 in comments and documentation.
6871 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6875 * Makefile.in (line-map.o): New.
6876 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
6877 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
6878 * cpperror.c (print_containing_files): Similarly.
6879 (print_location): Update. Don't output a space before _Pragma.
6880 * cppfiles.c (stack_include_file): Set to line 1 immediately.
6881 (stack_include_filee, cpp_make_system_header): Update.
6882 (_cpp_execute_include): Get logical line number right for calling
6883 as-yet-unterminated #include.
6884 * cpphash.h (struct cpp_reader): Add line_maps.
6885 (_cpp_do_file_change): Update.
6886 * cppinit.c (cpp_create_reader): Initialize line maps.
6887 (cpp_destroy): Destroy line maps.
6888 (cpp_start_read): Get logical line number right.
6889 * cpplex.c (parse_string): Only warn once for multi-line strings.
6890 Use boolean variable for null warning.
6891 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
6893 (do_include_common): End the directive early.
6894 (do_line): Don't warn about out-of-range lines in preprocessed
6895 source. Update. Remove unused variables.
6896 (_cpp_do_file_change): Update for new line mapping.
6897 (pragma_cb): New typedef.
6898 (cpp_register_pragma): Stop looking ahead before calling the
6900 (do_pragma_system_header): End directive early.
6901 (cpp_get_line_maps): New.
6902 (cpp_pop_buffer): Fudge logical line. Update.
6903 * cpplib.h: Include line-map.h
6904 (enum cpp_fc_reason): Remove.
6905 (struct cpp_file_change): Update.
6906 (cpp_get_line_maps): New.
6907 * cppmain.c (struct_printer): New member map.
6908 (cb_file_change): Update for new mappings.
6909 * fix-header.c (cb_file_change): Similarly.
6911 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6913 * Makefile.in (libgcc.mk): Define mkinstalldirs.
6914 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
6916 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6918 * config/vax/vax.c: include expr.h.
6920 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6922 * Makefile.in ($(srcdir)/configure): Only rebuild in
6924 ($(srcdir)/config.in): Only define in maintainer mode.
6925 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
6927 2001-08-02 David Edelsohn <edelsohn@gnu.org>
6929 * doc/install.texi (Install GCC: Binaries): Update Bull info.
6931 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6933 * gcc.c (set_collect_gcc_options): New function, split out from
6935 Ignore elided switches.
6936 (do_spec_1): Invoke before executing command.
6937 (set_input): Export.
6938 Move declaration ...
6939 * gcc.h (set_input): ... here.
6940 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
6943 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
6946 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
6948 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
6950 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
6952 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
6953 for the unnamed instructions it expands to.
6955 2001-08-02 Richard Henderson <rth@redhat.com>
6957 * regclass.c (call_really_used_regs): Conditionally define.
6958 (init_reg_sets_1): Don't use it if not defined.
6959 (fix_register): Similarly, don't set it.
6961 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6963 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
6964 Correct comment that had been missed in the previous change.
6966 2001-08-01 Stan Shebs <shebs@apple.com>
6968 * config/darwin.c (machopic_stub_name): Try matching by name.
6969 (update_stubs): New function.
6970 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
6973 2001-08-01 Richard Henderson <rth@redhat.com>
6975 * except.c (output_function_exception_table): Use assemble_align.
6976 * varasm.c (assemble_eh_label): Remove.
6977 (assemble_eh_align, assemble_eh_integer): Remove.
6979 2001-08-01 Robert Lipe <robertl@caldera.com>
6981 * dwarfout.c: Remove reference to README.DWARF.
6983 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
6985 * regclass.c (call_really_used_regs): New array for registers which
6986 are actually used by a call.
6987 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
6989 (fix_register): Set call_really_used too.
6990 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
6991 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
6993 2001-08-01 Richard Henderson <rth@redhat.com>
6995 * read-rtl.c (read_name): Consider \r whitespace.
6997 2001-07-11 Andrew Cagney <ac131313@redhat.com>
6999 * config.gcc: Recognize powerpc-*-netbsd*.
7001 * doc/install.texi (Host/target specific installation notes for
7002 GCC): Mention powerpc-*-netbsd*.
7004 * config/rs6000/netbsd.h: New file.
7005 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
7006 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
7007 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
7008 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
7009 (TARGET_VERSION): Redefine.
7011 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
7012 mcall-netbsd as a match for mcall-sysv.
7013 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
7014 (ncrti.S, ncrtn.S): New targets.
7015 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
7017 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
7018 "netbsd' as a V4 ABI.
7019 (ASM_SPEC): Check for -mcall-netbsd.
7020 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
7021 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
7022 (LIB_SPEC, ENDFILE_SPEC): Ditto.
7023 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
7024 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
7025 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
7026 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
7028 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
7029 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
7031 2001-08-01 Mark Kettenis <kettenis@gnu.org>
7033 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
7034 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
7035 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
7036 including "unwind-pe.h".
7038 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7040 * rs6000.md (define_splits): Kill unused constraints.
7042 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
7043 Jan Hubicka <jh@suse.cz>
7045 * function.c (thread_prologue_and_epilogue_insns): Kill code
7046 dealing with non-existent CFG.
7048 2001-08-01 Kazu Hirata <kazu@hxi.com>
7050 * alias.c: Fix comment formatting.
7051 * bitmap.c: Likewise.
7052 * builtins.c: Likewise.
7053 * calls.c: Likewise.
7054 * c-common.c: Likewise.
7055 * c-decl.c: Likewise.
7056 * c-dump.c: Likewise.
7057 * c-lex.c: Likewise.
7058 * collect2.c: Likewise.
7059 * combine.c: Likewise.
7060 * conflict.c: Likewise.
7061 * cppfiles.c: Likewise.
7062 * cppinit.c: Likewise.
7063 * cpplex.c: Likewise.
7064 * cpplib.c: Likewise.
7065 * cppmacro.c: Likewise.
7066 * cppspec.c: Likewise.
7067 * c-pragma.c: Likewise.
7068 * crtstuff.c: Likewise.
7070 * cselib.c: Likewise.
7071 * c-semantics.c: Likewise.
7072 * c-typeck.c: Likewise.
7074 2001-08-01 H.J. Lu <hjl@gnu.org>
7076 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
7078 2001-08-01 H.J. Lu <hjl@gnu.org>
7080 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
7082 2001-08-01 Ziemowit Laski <zlaski@apple.com>
7084 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
7085 contextualizing Objective-C class name lookup by the lexer.
7086 (typespec_reserved_nonattr): Disable ObjC class name lookup after
7088 (protocoldef): Add support for forward @protocol declarations.
7089 (yylexname): Suppress ObjC class name lookup in certain contexts;
7090 re-enable after lookup is complete.
7091 (_yylex): Re-enable ObjC class name lookup when certain
7092 punctuation marks are seen.
7094 * objc/objc-act.c (check_protocol_recursively): New function used
7095 for finding circular dependencies in protocols.
7096 (objc_declare_protocols): New function for handling forward
7097 @protocol declarations.
7098 (receiver_is_class_object): Detect the case when 'self' is used
7099 inside of a class method.
7100 (build_message_expr): Issue a warning if class method is desired
7101 but instance method is found instead.
7102 (conforms_to_protocol): Streamline.
7103 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
7104 protocol Foo, even if 'Bar foo' does not.
7105 (check_protocols): Streamline.
7106 (start_protocol): Add checks for circular and duplicate protocol
7108 (encode_aggregate_within): For typedefs of structs, encode the
7110 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
7111 (objc_declare_protocols): New prototype.
7113 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7115 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
7116 * cpplex.c (handle_newline): Update prototype. Maintain logical
7118 (skip_escaped_newlines, skip_block_comment, parse_string):
7120 (_cpp_lex_token): Update, and store token position within the token.
7121 * cpplib.h (struct cpp_token): Add line and column entries.
7122 * cppmacro.c (replace_args): Position stringified tokens correctly.
7124 2001-08-01 Andreas Jaeger <aj@suse.de>
7126 * basic-block.h: Add prototype for last_loop_beg_note.
7128 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
7130 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
7131 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
7133 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
7134 while handling WITH_CLEANUP_EXPR node. Use second operand calling
7135 expand_decl_cleanup.
7136 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
7138 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
7139 operand while calling simple_cst_equal.
7140 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
7141 operand is the cleanup expression, the third is the RTL_EXPR.
7142 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
7144 2001-07-31 Jeff Sturm <jsturm@one-point.com>
7146 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
7148 2001-07-31 matthew green <mrg@eterna.com.au>
7150 * config.gcc (i386-*-netbsdelf): New description.
7151 * config/i386/netbsd-elf.h: New file.
7153 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
7155 * loop.c (check_dbra_loop): Use single_set to compute
7158 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
7160 PowerPC reorg and support for powerpc64-*-linux*.
7162 Also fixes emitting of constants on 32 bit and 64 bit
7165 * config.gcc: powerpc64-*-linux* is a new target.
7166 Things that needed aix.h now also include xcoff.h
7168 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
7170 Move AIX specific stuff into aix.h.
7171 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
7172 with more than just XCOFF now.
7173 (SET_ASM_OP): Remove, now defined where needed.
7174 (FUNCTION_PROLOGUE): New macro definition.
7175 (FUNCTION_EPILOGUE): New macro definition.
7176 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
7178 * config/rs6000/xcoff.h: New file.
7180 * config/rs6000/linux64.h: New file.
7182 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
7184 2001-07-31 Alan Modra <amodra@bigpond.net.au>
7186 * rs6000.c (print_operand_address): Handle ELF syntax.
7187 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
7188 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
7189 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
7191 2001-07-31 David Edelsohn <edelsohn@gnu.org>
7193 * rs6000.c (rs6000_override_options): Only disable
7194 flag_function_sections for XCOFF.
7195 (exact_log2_cint_operand): New predicate.
7196 (reg_or_{add,sub}_cint64_operand): New predicates.
7197 (add_operand): Compare CONST_INT with fewer function calls.
7198 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
7199 (print_operand, case 'p'): Ensure positive operand.
7200 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
7201 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
7202 (PREDICATE_CODES): Add new predicates.
7203 * rs6000.md (addsi3): Split 32-bit constants more correctly.
7204 (divsi3, modsi3): Ensure positive power-of-2.
7205 (adddi3): Use new predicate. Split 32-bit constants more
7206 correctly. Re-arrange splitter to handle any constant.
7207 (subdi3): Use new predicate.
7208 (divdi3, moddi3): Ensure positive power-of-2.
7209 (movdi): Use rs6000_emit_set_const.
7210 (load_toc_v4_pic_di): Delete.
7212 2001-07-31 Graham Stott <grahams@redhat.com>
7214 * function.c (pad_below): Revert 2001-07-26 patch.
7216 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7218 * reg-stack (convert_regs_1): Fix best edge condition.
7220 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
7222 * jump.c (duplicate_loop_exit_test): Better test for jumps
7223 entering the loop; create loop pre_header.
7225 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
7227 * doc/install.texi: Add s390 and s390x as new targets.
7228 * doc/invoke.texi: Add documantation of S/390 and zSeries
7230 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
7232 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
7234 * config/m68k/m68k.md: Replace all general_operand with
7235 nonimmediate_operand for all destinations.
7236 * config/m68k/m68k.c (not_sp_operand): Likewise.
7238 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
7240 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
7242 2001-07-30 Richard Henderson <rth@redhat.com>
7244 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
7245 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
7247 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
7249 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
7250 Add missing doc strings
7251 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
7252 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
7254 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
7256 * i386.c (ix86_output_main_function_alignment_hack): New function.
7257 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
7259 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
7260 edges by EDGE_DFS_BACK flag.
7261 (dump_edge_info): Add dfs_back flag.
7262 * basic-block.h (EDGE_DFS_BACK): New constant.
7263 (mark_dfs_back_edges): Declare.
7264 * alias.c (loop_p): Remove.
7265 (mark_constant_function): Use mark_dfs_back_edges.
7267 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
7268 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
7269 (compensate_edge): Break out from ...
7270 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
7271 (convert_regs_2): Set block_done once block is really done;
7272 Do updating of the predecesors counts.
7274 * toplev.c (rest_of_compilation): Recompute block_for_insn
7275 before post-reload cfg_cleanup.
7276 * function.c (thread_prologue_epilogue_insns):
7277 Call set_block_for_new_insns when emitting prologue directly.
7279 2001-07-30 Andreas Jaeger <aj@suse.de>
7281 * jump.c: Add prototype for mark_modified_reg.
7283 * cse.c (set_live_p): Add unused attribute.
7285 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
7287 (scan_for_source_files): Use long for count to avoid overflow.
7288 (output_data): Likewise.
7289 (output_data): Don't use string concatatenation to silence gcc
7292 * predict.c: Fix typos and grammar.
7294 * gcse.c (insert_insn_end_bb): Remove unused variables.
7296 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
7298 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
7299 (attempt_auto_inc): LIkewise.
7300 (mark_used_reg): Likewise.
7301 (try_pre_increment_1): Likewise.
7302 * regclass.c (regclass): Likewise.
7303 * global.c (allocno_compare): Update comment; change scaling factor.
7304 * local-alloc.c (QTY_CMP_PRI): Likewise.
7305 * regs.h (REG_FREQ_FROM_BB): New.
7306 (REG_FREQ_MAX): Likewise.
7308 2001-07-30 H.J. Lu <hjl@gnu.org>
7310 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
7313 2001-07-30 H.J. Lu (hjl@gnu.org)
7315 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
7316 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7317 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
7319 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
7321 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
7322 as -mthumb-interwork when -mcpu=arm7 is specified.
7324 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
7326 * predict.def (noreturn, loop branch, loop exit): Mark as first
7329 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
7331 * combine.c (try_combine): Avoid barrier after noop jumps.
7333 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7335 * cpphash.h (struct cpp_reader): Remove import_warning.
7336 * cpplib.c (skip_rest_of_line): Don't bother turning off
7338 (parse_include): Move include handling to...
7339 (do_include_common): ... here. Move import warning from...
7340 (do_import): ... here.
7341 (do_pragma_poison): Don't do a callback for poison identifiers.
7342 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
7343 * cppmain.c (setup_callbacks): Similarly.
7345 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
7347 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
7348 handle multiple sets.
7349 * except.c (sjlj_mark_call_sites): .... here.
7350 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
7352 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
7354 Suggested by Richard Henderson and Richard Kenner:
7355 * combine.c (recog_for_combine): Use the fake recog
7356 only if instruction does not match.
7357 * rtl.h (NOOP_MOVE_INSN_CODE): New.
7358 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
7360 * combine.c (try_combine): Discover noop jump as direct jump.
7362 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
7364 * df.c (df_rd_global_compute): Add successors to worklist, not
7366 (df_ru_global_compute): Ditto.
7368 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
7370 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
7371 increment REG_N_SETS.
7373 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
7375 * sbitmap.h: New prototype for sbitmap_a_xor_b.
7377 * sbitmap.c (sbitmap_a_xor_b): New function.
7378 ifdef the basic block stuff on IN_GCC.
7380 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7382 * cppexp.c (parse_defined): Always record the macro name.
7383 (lex): Don't worry about identifiers, or special-case
7385 (_cpp_parse_expr): Figure out at the end of the routine
7386 whether we saw a valid !defined() expression.
7387 * cppfiles.c (stack_include_file): Update for mi_valid.
7388 (_cpp_pop_file_buffer): Similarly.
7389 * cpplex.c (_cpp_lex_token): Similarly.
7390 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
7391 mi_if_not_defined, mi_lexed): Remove.
7393 * cpplib.c (do_if): Simplify.
7394 (do_endif, push_conditional, _cpp_handle_directive): Update
7395 for renaming of mi_state to mi_valid.
7397 * cpp.texi: Add index entries for digraphs, and add comment
7398 that C++ refers to them as alternative tokens.
7400 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
7402 * basic-block.h (CLEANUP_PRE_LOOP): New.
7403 * except.c (finish_eh_generation): Update call of cleanup_cfg.
7404 * sibcall.c (optimize_sibling_calls): Likewise.
7405 * toplev.c (rest_of_compilation): Likewise.
7406 * flow.c (try_forward_edges): Take argument MODE;
7407 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
7408 (try_optimize_cfg): Update call of try_forward_edges.
7410 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7411 Jan Hubicka <jh@suse.cz>
7413 * (validate_replace_rtx_1): Fix simplification of MINUS.
7415 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
7417 PR preprocessor/3669
7418 * cppinit.c (init_dependency_output): Turn off dump requests
7419 if sending dependencies to stdout.
7421 2001-07-28 Richard Henderson <rth@redhat.com>
7423 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
7426 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
7428 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
7430 2001-07-28 Kazu Hirata <kazu@hxi.com>
7432 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
7433 is VAR_DECL first to prevent an ICE.
7435 2001-07-28 Richard Henderson <rth@redhat.com>
7437 * varasm.c (immed_real_const_1): Don't elide special cases for
7439 (clear_const_double_mem): Clear const_tiny_rtx too.
7441 2001-07-28 Richard Henderson <rth@redhat.com>
7443 * dwarf2out.c (dw_val_class_offset): New.
7444 (struct dw_ranges_struct, dw_ranges_ref): New.
7445 (ranges_table, ranges_table_allocated): New.
7446 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
7447 (add_AT_offset, add_ranges, output_ranges): New.
7448 (print_die, output_die): Handle dw_val_class_offset.
7449 (attr_checksum, size_of_die, value_format): Likewise.
7450 (gen_lexical_block_die): Handle non-contiguous blocks.
7451 (gen_block_die): Likewise.
7452 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
7453 if needed. Dump the ranges table.
7454 * final.c (final_start_function): Remove unnecessary notes and
7455 rebuild the block tree before numbering the blocks.
7456 * function.c (reorder_blocks_0): Walk the existing block tree
7457 to unmark all blocks.
7458 (reorder_blocks_1): Create block fragments when duplicate block
7460 (reorder_fix_fragments): New.
7461 (reorder_blocks): Call it.
7462 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
7464 2001-07-28 Richard Henderson <rth@redhat.com>
7466 * emit-rtl.c (adjust_address): Make a copy of the memory address.
7468 2001-07-28 Richard Henderson <rth@redhat.com>
7470 * flow.c (add_to_mem_set_list): New function.
7471 (init_propagate_block_info): Use it.
7472 (mark_set_1): Likewise.
7473 (insn_dead_p): Canonicalize memory address for dead store
7474 comparison. Allow wider mode stores to kill narrower mode stores.
7475 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
7476 (invalidate_mems_from_set): Don't handle MEMs.
7478 2001-07-28 Kazu Hirata <kazu@hxi.com>
7480 * config/h8300/h8300.h: Fix formatting.
7482 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
7484 * basic-block.h (EDGE_FREQUENCY): New macro.
7485 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
7487 * flow.c (find_sub_basic_blocks): Likewise.
7488 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
7489 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
7491 * predict.c (DEF_PREDICTOR): New argument FLAGS.
7492 (HITRATE): New macro.
7493 (PRED_FLAG_FIRST_MATCH): New constant.
7494 (predictor_info): New field flgags.
7495 (combine_predictions_for_insn): Use DS theory to combine
7496 probabilities; set the edge probabilities when finished.
7497 (estimate_probability): Avoid duplicated matches
7498 of LOOP_BRANCH heuristics for nested loops; update comment.
7499 * predict.def: Add flags for each prediction, set probabilities
7500 according to B&L paper.
7501 * predict.h (DEF_PREDICTOR): New argument FLAGS.
7503 * profile.c (compute_branch_probabilities): Cleanup way the edge
7504 probabilities are computed and REG_BR_PROB notes are dropped; if
7505 values does not match, emit error.
7506 (init_branch_prob): Do error instead of warning when profile driven
7507 feedback is missing or corrupt.
7509 2001-07-27 DJ Delorie <dj@redhat.com>
7511 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
7512 against a constant, try to adjust the compare to have the desired
7513 constant in it so that min/max optimizations happen more often.
7515 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7517 * flow.c (last_loop_beg_note): New function.
7518 (redirect_edge_and_branch): Use it.
7519 (split_edge): Likewise.
7521 * alias.c (loop_p): Avoid uninitialized memory access.
7523 * flow.c (try_forward_edges): Avoid accessing freed memory.
7525 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
7528 2001-07-26 Andrew Haley <aph@redhat.com>
7529 Joern Rennecke <amylaar@redhat.com>
7531 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
7532 (SUBTARGET_CPP_ENDIAN_SPEC): New.
7533 (SUBTARGET_CPP_SPEC): New.
7535 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
7536 (SUBTARGET_CPP_PTR_SPEC): New.
7537 (CPP_DEFAULT_CPU_SPEC): New.
7538 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
7539 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
7540 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
7541 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
7542 (SUBTARGET_CPP_SPEC): Define as an empty string.
7544 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7546 * doc/install.texi (Configuration): Properly link the host
7547 specific instructions also when generating HTML.
7549 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
7551 * flow.c (redirect_edge_and_branch_force): Test
7552 target->global_live_at_start.
7554 2001-07-26 Richard Henderson <rth@redhat.com>
7556 * simplify-rtx.c (avoid_constant_pool_reference): Export.
7557 * rtl.h (avoid_constant_pool_reference): Declare it.
7558 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
7559 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
7561 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
7563 * rtl.h (cleanup_barriers): Declare.
7564 * jump.c (cleanup_barriers): New function.
7565 * toplev.c (rest_of_compilation): Call cleanup_barriers
7566 before loop optimizer and after bb_reorder.
7568 * flow.c (back_edge_of_syntactic_loop_p): New.
7569 (split_edge): Use it.
7571 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7573 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
7575 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
7577 * cse.c (cse_process_notes): Replace any registers if the address
7580 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
7582 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
7583 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
7584 (propagate_block): Update prototype.
7585 * flow.c (update_life_info): Simplify the CFG and
7586 recalculate the global regs which are alive when
7587 removing dead code during a global update.
7588 (propagate_block): Return non-zero if an INSN is
7591 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7593 * Makefile.in (LIBICONV): Define.
7595 2001-07-26 Catherine Moore <clm@redhat.com>
7597 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
7598 of conditional to avoid tree checking errors.
7600 2001-07-26 Kazu Hirata <kazu@hxi.com>
7602 * regmove.c (regmove_optimize): Don't replace a reg with
7603 another reg of a different mode.
7605 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
7607 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
7608 limit length of dependancy flush list.
7609 * params.h (MAX_PENDING_LIST_LENGTH): Define.
7610 * sched-int.h (struct deps): Add pending_flush_length field.
7611 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
7612 has 1 element in it.
7613 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
7614 (sched_analyze): After a jump, if the pending memory flush list is too
7615 large, flush the pending lists.
7616 (init_deps): Initialize pending_flush_length to 0.
7617 * doc/invoke.texi (max_pending_list_length): Document parameter.
7619 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
7621 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
7622 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
7623 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
7625 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7627 * cpphash.h (struct_lexer_state): Delete was_skipping.
7628 Move skipping here from struct cpp_reader.
7629 * cpplex.c (parse_identifier): Update.
7630 (_cpp_lex_token): Don't skip tokens in a directive.
7631 * cpplib.c (struct if_stack): Update.
7632 (start_directive, end_directive): Don't change skipping state.
7633 (_cpp_handle_directive): Update.
7634 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
7635 (do_else, do_endif): Update; only check for excess tokens if not
7636 in a skipped conditional block.
7637 (push_conditional): Update for new struct if_stack.
7639 2001-07-26 Graham Stott <grahams@redhat.com>
7641 * function.c (locate_and_pad_parm): Also pad initial offset
7642 so that the total argument size also includes the padding.
7644 2001-07-26 Graham Stott <grahams@redhat.com>
7646 * gensupport.c (alter_output_for_insn): Correct enable checking failure
7647 change XSTR to XTMPL.
7649 (process_one_cond_exec): Likewise
7651 2001-07-25 Richard Henderson <rth@redhat.com>
7653 * varasm.c (assemble_variable): Create DECL_RTL before setting
7656 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
7658 * predict.c (estimate_probability): Avoid duplicated predictions.
7660 * loop.c (find_and_verify_loops): Grok multiple barriers.
7662 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7664 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
7666 * dbxout.c: Consistently use putc instead of fputc.
7667 (print_wide_int): New function; call instead of direct fprintf.
7668 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
7669 (dbxout_type_fields, dbxout_type_method_1): Likewise.
7670 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
7671 (print_int_cst_octal): Likewise.
7672 (print_octal): Show we wrote characters.
7673 (dbxout_type): Set have_used_extensions in more places.
7675 2001-07-25 Catherine Moore <clm@redhat.com>
7677 * config/v850/v850.c (v850_va_arg): Use addr
7678 instead of valist to build incr.
7680 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
7682 * flow.c (delete_dead_jumptables): New function.
7683 (life_analyzis): Call it.
7684 * bb-reorder.c (skip_insns_after_block): Handle contradictory
7687 2001-07-25 Richard Henderson <rth@redhat.com>
7689 * except.c (reachable_handlers): Handle a region being removed
7690 out from under a RESX.
7692 2001-07-25 Richard Henderson <rth@redhat.com>
7694 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
7695 swap GE/GT if it is an fp comparison.
7697 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
7699 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
7702 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
7704 * ssa.c (rename_insn_1): Do not wrap an assignment to a
7705 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
7708 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
7710 (visit_expression): When attempting to simplify an expression,
7711 retrieve any modes for arguments before they are simplified
7714 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7715 Janis Johnson <janis@us.ibm.com>
7717 * stmt.c (expand_goto): A nonlocal goto can be a call too.
7718 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
7719 pointer parameters to match documented usage of nonlocal_goto.
7720 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
7721 parameters to their correct order.
7722 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
7723 parameters to their correct order.
7725 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7727 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
7729 2001-07-25 Jan Hubicka <jh@suse.cz>
7730 Richard Henderson <rth@redhat.com>
7732 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
7734 (make_edges): New argument update_p; populate the edge cache if set.
7735 (find_basic_blocks): Update make_edges invocation.
7737 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7739 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
7741 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7743 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
7744 -Acpu and -Amachine.h.
7745 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
7746 Corrected header to say ELF not a.out.
7747 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
7748 when given -msoft-float.
7750 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7752 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
7753 extra multilib parts like arm-elf.
7754 (i960-*-coff*, i960-*-rtems): Should not use collect2.
7755 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
7756 crtfini.o as extra multilib parts.
7758 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7760 * configure.in: Add rtems as a supported thread model.
7761 * gthr-rtems.h: Add missing entry point __gthread_active_p.
7762 * configure: Rebuilt.
7764 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
7766 * stor-layout.c (get_mode_alignment): make it work when
7767 BITS_PER_UNIT is not a power of two.
7768 * builtins.c (get_pointer_alignment): Likewise.
7770 2001-07-24 Richard Henderson <rth@redhat.com>
7772 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
7773 the retrieved constant into the expected mode.
7775 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
7777 * flow.c (try_simplify_condjump): Avoid duplicated edges.
7778 (verify_flow_info): Check for duplicated edges; clarify
7781 * flow.c (block_label): Update basic_block_for_insn.
7782 (commit_edge_insertions): Call compute_bb_for_insn.
7784 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
7787 * flow.c (redirect_edge_and_branch,
7788 try_optimize_cfg): Use redirect_edge_succ_nodup
7789 (redirect_edge_succ_nodup): New.
7790 * basic_block.h (redirect_edge_succ_nodup): Declare.
7792 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
7795 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
7797 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
7798 (try_crossjump_to_edge): Update commetns.
7799 (try_crossjump_bb): Likewise.
7801 2001-07-24 Richard Henderson <rth@redhat.com>
7803 * combine.c (distribute_notes): Move set of need_refresh
7804 for noop_move_p down to catch all cases.
7806 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
7808 * recog.c (split_all_insns_noflow): New.
7809 * rtl.h (split_all_insns_noflow): Declare.
7810 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
7811 * m68hc11.c (m68hc11_reorg): Likewise.
7812 * sh.c (machine_dependent_reorg): Likewise.
7813 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
7816 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7818 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
7819 (ashlsi3_n splitter): Likewise.
7820 (lshrsi3_n splitter): Likewise.
7822 (GOTaddr2picreg): Make const SImode.
7823 (sym_label2reg): Likewise.
7824 (symGOT2reg): Likewise.
7825 (symGOTOFF2reg) Likewise.
7827 (casesi_worker_0): Make unspec SImode.
7829 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7831 * config/sh/sh.c (barrier_align): Check that an operand really is
7832 an insn before extracting its INSN_CODE.
7834 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
7836 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
7839 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
7840 for SImode to prevent overflow.
7842 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7844 * config/mips/irix6-libc-compat.c: New file.
7845 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
7846 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
7849 2001-07-24 lars brinkhoff <lars@nocrew.org>
7851 * rtl.texi (REG_POINTER): Document.
7852 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
7853 QFmode, HFmode, TQFmode, QCmode, and HCmode.
7855 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7857 * flow.c (delete_noop_moves): Do not confuse libcall regions.
7859 2001-07-23 Richard Henderson <rth@redhat.com>
7861 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
7863 2001-07-23 Kazu Hirata <kazu@hxi.com>
7865 * config/h8300/h8300-protos.h: Add a prototype for
7866 general_operand_dst_push.
7867 * config/h8300/h8300.c (general_operand_dst_push): New.
7868 * config/h8300/h8300.h (OK_FOR_T): New.
7869 (EXTRA_CONSTRAINT): Use it.
7870 * config/h8300/h8300.md (movqi_push): Remove and integrate into
7871 the existing movqi pattern.
7872 (movhi_push): Likewise.
7874 * reload.c: Fix comment typos.
7876 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
7878 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
7880 2001-07-23 H.J. Lu (hjl@gnu.org)
7882 * doc/extend.texi: Update __builtin_return_address and
7883 __builtin_frame_address.
7885 2001-07-23 Richard Henderson <rth@redhat.com>
7887 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
7889 * config/i386/i386.md: New setcc+movzbl peephole2.
7891 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7893 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
7894 * objc/objc-act.c: Include debug.h.
7895 (synth_module_prologue): Save and restore debug hooks too.
7897 2001-07-23 lars brinkhoff <lars@nocrew.org>
7899 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
7900 and C4X_FLOAT_FORMAT.
7901 (BOOL_TYPE_SIZE): Document.
7903 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
7905 * unroll.c (loop_iterations): Fix miscalculation of initial
7908 2001-07-13 Andrew Haley <aph@redhat.com>
7910 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
7911 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
7912 * config/sh/sh.c (sh_can_redirect_branch): New function.
7913 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
7914 * reorg.c (steal_delay_list_from_target): Use
7915 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
7917 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7919 * flow.c (try_simplify_condjump): Unlink insn chain on
7920 fallthru edge; use can_fallthru.
7922 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
7924 * basic-block.h (find_sub_basic_block): Declare.
7925 * flow.c (make_edges): New arguments MIN and MAX;
7926 (find_sub_basic_blocks): Revamp to use make_edges
7927 and purge_dead_edges.
7928 (find_basic_blocks): Update call of find_sub_basic_block.
7930 * recog.c (split_all_insns): Always expect CFG to be consistent;
7931 call find_sub_basic_blocks in case something has changed.
7932 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
7935 * basic-block.h (delete_noop_moves): Declare.
7936 * combine.c (combine_instructions): Call it.
7937 (recog_for_combine): Tolerate noop moves
7938 (distribute_notes): Force refresh when register dies at noop move.
7939 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
7941 (life_analysis): Update delete_noop_moves call.
7942 (set_noop_p): Move too ...
7943 * rtlanal.c (noop_move_p): ... here.
7944 * rtl.h (noop_move_p): Declare.
7946 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
7947 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
7949 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
7950 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
7952 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
7954 * reload.c (push_reload): Fix typo in comment.
7955 (find_reloads_address): Ditto.
7956 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
7958 2001-07-22 Richard Henderson <rth@redhat.com>
7960 * flow.c: Grammar check and clarify a lot of comments.
7961 (try_simplify_condjump): Rename variables to be clearer.
7962 (try_forward_edges): Skip complex and fallthru edges.
7963 Rearrange tests to avoid duplicate checks.
7964 (flow_find_cross_jump): Likewise.
7965 (outgoing_edges_match): Allow match if neither branch has
7966 probability data. Loosen probability match to 5%.
7967 (try_crossjump_to_edge): Hoist repeated indirection into
7969 (try_crossjump_bb): Don't check complex edges. Eliminate
7970 redundant crossjump tests.
7971 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
7972 checks before more expensive checks.
7974 2001-07-22 Richard Henderson <rth@redhat.com>
7976 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
7977 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
7980 2001-07-22 Richard Henderson <rth@redhat.com>
7982 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
7983 (const_sint32_operand): Likewise.
7984 * m68k.md (anon mulsi pattern): Use const_int_operand not
7985 const_sint32_operand.
7986 (umulsi3_highpart): Zero extend a constant input.
7987 (smulsi3_highpart): Don't bother checking SImode constant.
7988 (const_umulsi3_highpart): Give op3 DImode.
7989 (const_smulsi3_highpart): Likewise.
7991 2001-07-22 Richard Henderson <rth@redhat.com>
7993 * flow.c (split_block): Make sure bb_note is included in the
7994 new block when splitting before a label.
7996 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
7998 * basic-block.h (redirect_edge_and_branch_force,
7999 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
8000 * flow.c (redirect_edge_and_branch_force,
8001 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
8002 (redirect_edge_and_branch_force): Fix copying of lifeness information.
8003 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
8004 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
8005 instead of label; update CFG after transformation.
8006 (find_if_case_1): Update call, use redirect_edge_and_branch_force
8007 for finishing the transformation; handle even case where ELSE
8008 does not follow THEN.
8009 (find_if_case_2): Update call of dead_or_predictable; simplify
8012 * emit-rtl.c (split_branch_probability): New global variable.
8013 (try_split): Take care to set split_branch_probability and
8014 create REG_BR_PROB note for new jump insns.
8015 * md.texi (define_split): Document new feature.
8017 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
8019 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
8021 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
8022 (asm_out_file): Remove redundant declaration.
8023 (assemble_asm): Remove old #if 0 block.
8024 (assemble_variable): Remove end of function; debug output is
8025 now handled with global_decl. Remove old #if 0 block. Update.
8026 Remove saved_in_section and associated no-op code.
8027 * Makefile.in (varasm.o): Correct dependencies.
8029 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
8031 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8032 the definition in defaults.h.
8034 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
8036 * jump.c: Update comments.
8037 (delete_barrier_successors, delete_unreferenced_labels,
8038 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
8039 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
8040 jump_optimize, jump_optimize_minimal): Kill.
8041 (rebuild_jump_labels): Move code from jump_optimize_1.
8042 (purge_line_number_notes): Likewise.
8043 (copy_loop_headers): Likewise.
8044 * reg-stack.c: Update comment.
8046 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
8047 JUMP_AFTER_REGSCAN): Kill.
8048 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
8049 purge_line_number_notes and copy_loop_headers.
8051 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
8052 Richard Henderson <rth@redhat.com>
8054 * dbxout.c (dbxout_global_decl): New.
8055 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
8056 * sdbout.c (sdbout_finish): New.
8057 (sdbout_debug_hooks): Use it, add comments.
8058 (sdbout_global_decl): Defer initialised public vars to
8060 * varasm.c (assemble_variable): Don't output debug information
8061 for file-scope variables.
8063 2001-07-22 Richard Henderson <rth@redhat.com>
8065 * config/alpha/alpha.c (get_trap_mode_suffix): New.
8066 (get_round_mode_suffix): New.
8067 (print_operand): Use them for [/]. Remove support for [&'`()+].
8068 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
8069 * config/alpha/alpha.md (attr round_suffix): New.
8070 (attr trap_suffix): New.
8071 (all insns): Set them appropriately. Use %/ instead of the
8074 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8076 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
8078 2001-07-22 Richard Henderson <rth@redhat.com>
8080 * regrename.c (regrename_optimize): Compute nregs for each
8081 potential target register.
8083 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
8084 Richard Henderson <rth@redhat.com>
8086 * dbxout.c (dbxout_global_decl): New.
8087 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
8088 * sdbout.c (sdbout_finish): New.
8089 (sdbout_debug_hooks): Use it, add comments.
8090 (sdbout_global_decl): Defer initialised public vars to
8092 * varasm.c (assemble_variable): Don't output debug information
8093 for file-scope variables.
8095 2001-07-21 H.J. Lu (hjl@gnu.org)
8097 * config/mips/mips.c (mips_cpu): Moved into ...
8098 (override_options): Here.
8100 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
8102 (mips_cpu): Removed.
8104 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8106 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
8107 ("iorqi3"): Likewise.
8108 ("xorqi3"): Likewise.
8109 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
8110 ("*subhi3_sp): Likewise.
8111 ("*subhi3"): Likewise.
8112 ("extendhisi2"): Accept D, X and Y as source operand to avoid
8115 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
8117 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
8118 * config/freebsd.h: Likewise.
8119 * config/linux.h: Likewise.
8120 * config/openbsd.h: Likewise.
8121 * config/alpha/linux-elf.h: Likewise.
8122 * config/arm/linux-elf.h: Likewise.
8123 * config/d30v/d30v.h: Likewise.
8124 * config/fr30/fr30.h: Likewise.
8125 * config/ia64/aix.h: Likewise.
8126 * config/ia64/ia64.h: Likewise.
8127 * config/mips/linux.h: Likewise.
8128 * config/pj/pj.h: Likewise.
8129 * config/rs6000/linux.h: Likewise.
8130 * config/sparc/linux.h: Likewise.
8131 * config/sparc/linux64.h: Likewise.
8133 2001-07-20 Bruce Korb <bkorb@gnu.org>
8135 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
8136 because getc() and char* may disagree on signedness.
8138 2001-07-20 Richard Henderson <rth@redhat.com>
8140 * doc/rtl.texi (REG_DEAD): Update for current semantics.
8142 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
8143 insns to delete in the presence of cc0 in a jump insn.
8145 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
8146 Jan Hubicka <jh@suse.cz>
8148 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
8149 of doing the change by hand.
8151 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
8153 * rtlanal.c (set_noop_p): Return true for noop jumps.
8155 * expr.c (emit_single_push_insn): Add call to push expander.
8156 * expr.h (optab_index): Add OTI_push
8157 (push_optab): New constant.
8158 * genopinit.c (optabs): Add push_optab.
8159 * optabs.c (init_optab): Init push optab.
8160 * md.texi (push??1): Document
8162 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8164 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
8165 expand to emit the pattern; put a REG_INC note for push/pop
8167 ("movdf", "movdf_internal"): Likewise.
8168 ("movsi", "movsi_internal"): Likewise.
8169 ("movsf", "movsf_internal"): Likewise.
8170 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
8172 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8174 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
8177 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
8179 * params.def: Change default max inline insns to 100.
8181 2001-07-20 Diego Novillo <dnovillo@redhat.com>
8183 * combine.c (combine_simplify_rtx): Generate a new shift operation
8184 when simplifying the first operand of a (neg (ashift)) expression.
8186 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8188 * regclass.c (N_REG_INTS): Use only 32 bits per element.
8190 2001-07-20 Kelley Cook <kelley.cook@home.com>
8192 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
8193 information. Move rest into ...
8194 (*-*-solaris): ... here. Eliminate redundant information and
8195 reword necessary packages section. Delete 4.x assembler bug info.
8196 (sparc-sun-*): Merge into ...
8197 (sparc-sun-sunos*): here.
8199 2001-07-20 Catherine Moore <clm@redhat.com>
8201 * config/v850/v850.md (casesi): Generate LABEL_REF
8204 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
8206 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
8207 * i386.c (ix86_zero_extend_to_Pmode): Make global.
8208 * i386.md (strclrsi expander): Use it.
8210 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8212 * integrate.c (copy_insn_list): handle
8213 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
8214 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
8215 identically as to CODE_LABEL.
8217 * fold-const (fold): Convert A/B/C to A/(B*C) and
8220 * except.c (connect_post_landing_pads): Delete the RESX insns.
8222 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
8224 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
8226 * config/mips/mips.md (nmadd/nmsub): Use macro.
8228 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
8230 * cppinit.c (remove_dup_dir): Make static.
8231 (remove_dup_dirs): Make static. Only warn about preempting a
8232 system directory with a non-system directory.
8234 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
8236 * ifcvt.c (noce_try_store_flag_constants): Correct order
8237 of parameters to trunc_int_for_mode.
8239 2001-07-19 Mark Mitchell <mark@codesourcery.com>
8241 * reorg.c (fill_simple_delay_slots): If an instruction might throw
8242 an exception that will be caught within this function, do not fill
8243 its delay slot with any subsequent instruction.
8245 2001-07-19 Steve Ellcey <sje@cup.hp.com>
8247 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
8248 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
8249 pointer extension instruction.
8250 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
8251 * simplify-rtx.c (simplify_unary_operation) Likewise.
8252 * explow.c (convert_memory_address) Check value of
8253 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
8255 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
8256 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
8257 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
8258 Add Multilib Support.
8259 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
8260 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
8261 Add Multilib Support.
8262 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
8264 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
8265 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
8266 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
8268 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
8270 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
8271 old and new operands in `<', `3' and `b'.
8273 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
8275 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
8276 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
8277 (toplev.o): Don't depend on xcoffout.h.
8278 * c-decl.c: Include debug.h
8279 (duplicate_decls): Use debug hook.
8280 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
8281 (dbx_debug_hooks, xcoff_debug_hooks): Update.
8282 (dbxout_types): Remove.
8283 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
8284 * debug.c (do_nothing_debug_hooks): Update.
8285 (debug_true_tree, debug_nothing_rtx): New.
8286 * debug.h (struct rtx_def): New.
8287 (struct gcc_debug_hooks): New hooks ignore_block,
8288 outlining_inline_function and label.
8289 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
8290 dwarf2out_frame_finish): New.
8291 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
8292 Make static, update prototype.
8293 (dwarf2_debug_hooks): Update.
8294 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
8295 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
8296 * dwarfout.c (dwarf_debug_hooks): Update.
8297 * emit-rtl.c: Include debug.h.
8298 (remove_unnecessary_notes): Use debug hook.
8299 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
8300 (final_scan_insn): Use debug hook.
8301 * integrate.c (output_inline_function): Use debug hook.
8302 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
8303 (sdb_debug_hooks): Update.
8304 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
8305 * toplev.c: Don't include xcoffout.h.
8306 (note_outlining_of_inline_function, debug_ignore_block): Remove.
8307 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
8309 * tree.h (dwarf2out_do_frame): Remove.
8311 2001-07-19 Catherine Moore <clm@cygnus.com>
8313 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
8315 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
8317 * reload1.c (eliminate_regs_in_insn): When updating a set
8318 to the frame pointer to the hardware frame pointer, perform
8319 the update always not just when REPLACE is set.
8321 * reload1.c (choose_reload_regs): Don't inherit a reload
8322 that crosses multiple registers if registers past the first
8323 don't fit in the desired class.
8325 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
8326 when negating constants.
8328 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
8330 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
8331 * doc/tree.texi: Ditto.
8333 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
8334 Jakub Jelinek <jakub@redhat.com>
8336 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
8337 (extract_cie_info): Handle "eh" augmentation properly,
8339 (struct frame_state, __frame_state_for): New.
8341 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8343 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
8344 HANDLE_SYSV_PRAGMA): Define.
8345 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
8347 (copy_object): Caller changed.
8349 2001-07-19 Andreas Schwab <schwab@suse.de>
8351 * configure.in (assembler dwarf2 debug_line support): Define nop
8353 * configure: Regenerated.
8355 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
8357 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
8359 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
8360 to conditionally compiled block.
8361 (dbx_debug_hooks, xcoff_debug_hooks): Update.
8362 * dbxout.h (dbxout_function): Remove.
8363 * debug.c (do_nothing_debug_hooks): Update.
8364 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
8365 global_decl, deferred_inline_function.
8366 * dwarf2out.c (dwarf2_debug_hooks): Update.
8367 (dwarf2out_global_decl): New.
8368 * dwarfout.c: Don't include dwarfout.h.
8369 (dwarfout_global_decl, dwarfout_function_decl,
8370 dwarfout_deferred_inline_function): New.
8371 (dwarf_debug_hooks): Update.
8372 * dwarfout.h: Remove.
8373 * final.c: Don't include dwarfout.h.
8374 * sdbout.c (sdbout_global_decl): New.
8375 (sdbout_debug_hooks): Update.
8376 * toplev.c: Don't include dwarfout.h.
8377 (check_global_declarations, rest_of_compilation): Use new debug hooks.
8378 (note_deferral_of_defined_inline_function): Remove.
8379 * toplev.h (note_deferral_of_defined_inline_function): Remove.
8380 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
8381 * ch/lex.c: Don't include dwarfout.h.
8382 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
8383 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
8384 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
8385 * cp/optimize.c: Include debug.h.
8386 (maybe_clone_body): Use debug hook.
8387 * cp/semantics.c: Include debug.h.
8388 (expand_body): Use debug hook.
8389 * po/POTFILES.in: Remove dwarfout.h.
8391 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
8393 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
8394 * c-parse.in (yyerror, _yylex): Similarly.
8395 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
8396 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
8398 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
8399 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
8401 2001-07-18 Jeff Sturm <jsturm@one-point.com>
8403 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
8404 in-class declaration at -g1. Fixes c++/2814.
8406 2001-07-18 Richard Henderson <rth@redhat.com>
8408 * doc/md.texi (reload_in/out): Document restrictions in predicates
8409 and constraints for these patterns. Document empty string matching
8412 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8414 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
8416 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8418 * cse.c: Undo my previous patch.
8420 2001-07-18 Tom Tromey <tromey@redhat.com>
8423 * configure: Rebuilt.
8424 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
8426 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
8428 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
8429 Jan Hubicka <jh@suse.cz>
8431 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
8432 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
8433 * jump.c (mark_jump_label): Do not forward branches.
8435 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
8437 * cse.c (delete_trivially_dead_insns): Delete the libcall block
8438 when return value is unused.
8440 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8442 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
8444 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
8446 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
8447 on error. We can't blindly return the result of
8448 pthread_mutex_trylock because it returns a positive number on
8449 error, while we must return -1 on error.
8450 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
8452 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
8454 2001-07-18 Andreas Jaeger <aj@suse.de>
8456 * integrate.c (output_inline_function): Correct type of debug_hooks.
8458 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
8460 * combine.c (combine_simplify_rtx): DIV can be treated
8461 associatively for floats if unsafe math optimisations are enabled.
8463 2001-07-17 Richard Henderson <rth@redhat.com>
8465 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
8467 2001-07-17 Richard Henderson <rth@redhat.com>
8469 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
8470 don't force the function address into a register.
8471 (expand_call, emit_library_call_value_1): Update callers.
8472 * builtins.c (expand_builtin_apply): Likewise.
8473 * expr.h (prepare_call_address): Update decl.
8475 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
8477 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
8479 * config/i386/chorus.h: Move up.
8480 * config/sparc/chorus.h: Likewise.
8481 * config/rs6000/chorus.h: Likewise.
8482 * config/chorus.h: Moved here.
8484 2001-07-17 Andreas Schwab <schwab@suse.de>
8486 * configure.in (assembler eh_frame optimization): Handle big
8488 * configure: Regenerated.
8490 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
8492 * expr.c (epxand_expr): Convert divisions into multiplications by
8493 reciprocals if -ffast-math.
8495 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
8497 * dbxout.c (dbxout_really_begin_function): Rename to
8498 dbxout_begin_function.
8499 (dbx_debug_hooks, xcoff_debug_hooks): Update.
8500 (dbxout_begin_function): Remove.
8501 (dbxout_function): Update.
8502 (dbxout_source_line): Update prototype.
8503 * dbxout.h (dbxout_begin_function): Remove.
8504 * debug.c (do_nothing_debug_hooks): Update.
8505 (debug_nothing_tree): Update.
8506 (debug_nothing_charstar_rtx): Remove.
8507 * debug.h (union tree_node): Declare.
8508 (struct rtx_def): Remove.
8509 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
8510 begin_function. Change source_line prototype.
8511 (debug_nothing_tree): New.
8512 (debug_nothing_charstar_rtx): Delete.
8513 (dwarf2out_begin_prologue): Moved from ...
8515 * dwarf2out.c (dwarf2_debug_hooks): Update.
8516 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
8517 debug info, call dwarf2out_source_line.
8518 (dwarf2out_souce_line): Update prototype.
8519 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
8520 Change prototype, make static.
8521 (dwarfout_source_line): Update prototype.
8522 (dwarf_debug_hooks): Update.
8523 * dwarfout.h (dwarfout_begin_function): Remove.
8524 * final.c (final_start_function, final_scan_insn): Use appropriate
8525 debug hooks, update to use notice_source_line.
8526 (output_source_line): Rename notice_source_line. Don't call the
8527 source_line debug hook.
8528 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
8529 make static, update prototype.
8530 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
8532 (sdbout_end_prologue): New.
8533 (sdbout_source_line): Update prototype.
8534 (sdbout_debug_hooks): Update.
8535 (sdbout_symbol): Remove unused var.
8536 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
8538 * varasm.c: Include debug.h.
8539 (assemble_start_function): Use begin_function debug_hook.
8540 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
8541 update with prototype.
8542 (xcoffout_source_line): Update prototype.
8543 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
8545 (xcoffout_source_line): Update prototype.
8547 2001-07-17 Richard Henderson <rth@redhat.com>
8549 * c-typeck.c (build_binary_op): Do not shorten unsigned
8550 right shift after sign extension.
8552 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
8554 * combine.c (combine_simplify_rtx): Attempt to simplify
8555 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
8557 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
8558 (simplify_binary_operation, simplify_unary_operation,
8559 simplify_relational_operation): Use it.
8561 * combine.c (combine_simplify_rtx): Don't do associative law
8562 on divisions; allow associative law on floats.
8564 2001-07-17 H.J. Lu <hjl@gnu.org>
8565 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8567 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
8568 ASM_OUTPUT_WEAK_ALIAS are defined.
8569 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
8570 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
8572 * config/mips/iris5.h: ... here.
8573 (HANDLE_SYSV_PRAGMA): Defined as 1.
8574 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
8575 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
8578 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
8580 * c-parse.in (all_prefix_attributes): New variable.
8581 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
8582 (maybe_resetattrs): New production.
8583 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
8584 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
8585 notype_initdcl, nested_function, notype_nested_function,
8586 component_decl, components, components_notype,
8587 component_declarator, component_notype_declarator,
8588 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
8589 ivars, mydecl, myparm): Update. Avoid prefix attributes just
8590 after a comma being applied to more than one declarator.
8591 * doc/extend.texi (Attribute Syntax): Update. Remove
8592 documentation of bugs that are no longer present.
8594 2001-07-13 Eric Christopher <echristo@redhat.com>
8596 * config/mips/mips.h: Change TUNE_MIPS* options to use
8598 (EXTRA_SPECS): Add cc1_cpu_spec.
8599 * config/mips/mips.md (muldf3): Fix typo.
8601 2001-07-16 Richard Henderson <rth@redhat.com>
8603 * config/m68k/m68k.c: Include expr.h and reload.h.
8604 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
8605 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
8607 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8608 Richard Henderson <rth@redhat.com>
8610 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
8611 (insn_live_p): Fix fall off end of function.
8612 (dead_libcall_p): Remove COUNTS argument; update callers.
8613 (delete_trivially_dead_insns): Remove unused variables.
8615 2001-07-17 Andreas Jaeger <aj@suse.de>
8617 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
8620 * lcm.c (optimize_mode_switching): Avoid warning for unused
8621 variable if !NORMAL_MODE.
8623 * flow.c (try_crossjump_to_edge): Remove unused variable.
8625 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
8627 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
8628 atexit declaration in stdlib.h.
8630 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
8632 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
8634 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8636 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
8637 * except.c (finish_eh_generation): Update call of cleanup_cfg;
8638 do rebuild_jump_labels instead of jump_optimize
8639 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
8640 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
8641 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
8643 * flow.c: Include timevar.h
8644 (find_basic_block): Push/pop timevar;
8645 (cleanup_cfg): Likewise.
8646 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
8647 * Makefile: Add dependencies on timevar.h
8649 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
8650 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
8652 * rtl.h (delete_trivially_dead_insns): Add new parameter.
8653 * toplev.c (rest_of_compilation): Update calls.
8654 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
8655 (delete_trivially_dead_insns): ... here; accept new argument
8656 preserve_basic_blocks; preserve basic blocks if set.
8658 * reg-stack.c (stack_regs_mentioned): Return 0 if
8659 stack_regs_mentioned_data is not initialized.
8660 (reg_to_stack): Make stack_regs_mentioned survive after the
8661 reg-stack is completted; do not call cleanup_cfg.
8662 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
8663 make cleanup_cfg after bb-reorder to output to debug file.
8665 2001-07-16 Richard Henderson <rth@redhat.com>
8667 * regclass.c (init_reg_sets): Use only 32 bits per initializer
8668 from int_reg_class_contents.
8670 2001-07-16 Richard Henderson <rth@redhat.com>
8672 * hard-reg-set.h (regs_invalidated_by_call): Declare.
8673 * regclass.c (regs_invalidated_by_call): Move from cse.c.
8674 (init_reg_sets_1): Move initialization from cse_main.
8675 * cse.c (regs_invalidated_by_call): Move to regclass.c.
8676 (cse_main): Move its initialization also.
8677 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
8678 * flow.c (propagate_one_insn): Likewise.
8679 * gcse.c (compute_hash_table): Likewise.
8680 (compute_kill_rd, compute_store_table): Likewise.
8681 * sched-deps.c (sched_analyze_1): Likewise.
8683 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
8685 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
8688 2001-07-16 Steve Ellcey <sje@cup.hp.com>
8690 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
8691 in if statement so we don't access undefined memory.
8693 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8695 * gcse.c: Update comment at top.
8696 Update comment on mem handling.
8697 mem_last_set, mem_first_set, mem_set_in_block: gone.
8698 Declaration of reg_set_info: gone.
8699 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
8700 pointless with load_killed_in_block_p (they are *more*
8701 conservative then it, not less, and less accurate).
8702 (oprs_not_set_p): Ditto.
8703 (alloc_gcse_mem): Don't allocate mem_set_in_block
8704 (free_gcse_mem): Don't free it, either.
8705 (record_last_mem_set_info): Update comment in front, remove
8706 mem_*set_* stuff. Note the reason we don't handle stores directly
8708 (compute_hash_table): Update comments to reflect reality. Remove
8709 mem_*set_* references.
8710 (reset_opr_set_tables): Remove mem_*set_* references.
8712 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
8713 (mark_clobber): Ditto (on both parts, we double set here too).
8714 (expr_killed_p): Remove mem_set_in_block test.
8715 (compute_transp): Remove mem_set_in_block test.
8717 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
8718 of edge, and removal of phi alternative to dump file.
8719 (ssa_ccp_substitute_constants): Add note about register now being
8720 constant, and which uses were replaced in what insns to dump file.
8722 2001-07-16 Andreas Jaeger <aj@suse.de>
8724 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
8725 variables of type HOST_WIDEST_INT.
8727 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
8728 (__bb_exit_func): Correct type of count_max to avoid overflow.
8729 (num_digits): Handle long long argument.
8731 * combine.c (gen_lowpart_for_combine): Remove unused variable.
8733 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8735 * output.h (sdb_begin_function_line): Restore as an extern
8737 * sdbout.c (sdb_begin_function_line): Make extern.
8739 2001-07-15 Richard Henderson <rth@redhat.com>
8741 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
8742 * genrecog.c (maybe_both_true_mode): New.
8743 (maybe_both_true_2): Use it.
8744 (write_switch): Don't put Pmode in a switch.
8745 * rtl.c (mode arrays): Don't explicitly size them.
8747 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8749 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
8750 handling; move unconditional splitting before mode switching.
8752 * i386.md (type): Add fistp type.
8753 (i387, length_attr, scheduling definitions): Handle this type.
8754 (fix_trunc?f?i2): Revamp to use mode switching.
8755 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
8756 * i386.h (fp_cw_mode): New enum
8757 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
8758 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
8760 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8762 * Makefile.in (integrate.o): Add debug.h.
8763 * integrate.c (debug.h): Add.
8764 (output_inline_function): Save, reset, and restore debug_hooks.
8766 2001-07-15 Richard Henderson <rth@redhat.com>
8768 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
8769 instead of COMPARE for the EQUIV expression.
8771 2001-07-15 Richard Henderson <rth@redhat.com>
8773 * flow.c (redirect_edge_and_branch_force): Initialize
8774 global_live_at_start and global_live_at_end.
8775 (allocate_bb_life_data): Export.
8776 * basic-block.h (allocate_bb_life_data): Declare.
8777 * toplev.c (rest_of_compilation): Call it.
8779 2001-07-15 Richard Henderson <rth@redhat.com>
8781 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
8782 (alpha_tablejump_best_label): New.
8783 * config/alpha/alpha-protos.h: Declare them.
8784 * config/alpha/alpha.md: Use braced strings for code blocks.
8785 (tablejump_osf): Break out add with r29.
8786 (tablejump_osf_internal): Remove.
8787 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
8788 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
8790 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
8792 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
8795 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
8797 * i386-protos.h (ix86_split_fp_branch): Update prototype.
8798 (ix86_fp_jump_nontrivial_p): New.
8799 * i386.md (fp_jcc_?): Update call of split_fp_branch;
8800 use ix86_fp_jump_nontrivial_p.
8801 * i386.c (ix86_fp_jump_nontrivial_p): New.
8802 (ix86_split_fp_branch): Accept code instead of rtx.
8803 (ix86_expand_compare): Expand comparison early in case
8804 doing so is resonably cheap.
8806 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
8808 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
8810 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
8811 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
8813 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
8815 * dbxout.c (dbxout_source_line): Make static, update prototype.
8816 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
8817 (dbxout_init, dbxout_finish, dbxout_source_line,
8818 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
8819 * dbxout.h (dbxout_source_line): Delete.
8820 * debug.c (debug_nothing_file, debug_nothing_file_int,
8821 debug_nothing_file_charstar_rtx): New.
8822 (do_nothing_debug_hooks): Update.
8823 (debug_nothing_void, debug_nothing_charstar_rtx,
8824 dwarf2out_end_epilogue): New.
8825 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8826 * debug.h (struct rtx_def): Declare.
8827 (gcc_debug_hooks): New hooks source_line, end_epilogue
8829 (debug_nothing_void, debug_nothing_charstar_rtx,
8830 dwarf2out_end_epilogue): New.
8831 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8832 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
8833 (dwarf2_debug_hooks): Update.
8834 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
8835 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
8836 * dwarf2out.h (dwarf2out_source_line): Remove.
8837 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
8838 Make static, update prototype.
8839 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
8840 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
8841 (dwarf_debug_hooks): Update.
8842 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
8843 dwarfout_end_function): Remove.
8844 * final.c (profile_function): Use debug hooks for ending functions
8846 (output_source_line, final_end_function): Update prototype,
8848 (final_start_function, final_scan_insn): Update.
8849 * output.h (sdb_begin_function_line): Remove.
8850 (final_end_function): Update prototype.
8851 * sdbout.c (sdb_begin_function_line): Make static.
8852 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
8853 (sdbout_source_line): New.
8854 (sdbout_end_epilogue, sdbout_end_function): Make static, update
8856 (sdb_debug_hooks): Update.
8857 (sdbout_init, sdbout_source_line,
8858 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
8859 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
8860 * toplev.c (compile_file, rest_of_compilation): Update.
8861 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
8862 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
8863 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
8864 Update for prototype changes.
8865 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
8866 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
8868 2001-07-15 Richard Henderson <rth@redhat.com>
8870 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
8871 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
8872 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
8873 * config/alpha/alpha.c: Likewise.
8874 * config/alpha/alpha.md: Likewise.
8875 * config/alpha/alpha32.h: Likewise.
8876 * config/alpha/vms.h: Likewise.
8879 2001-07-14 Richard Henderson <rth@redhat.com>
8881 * config/alpha/alpha.md: Use define_constants for unspec values.
8882 Substitute throughout.
8884 2001-07-14 Tim Josling <tej@melbpc.org.au>
8886 * tree.def (EXPON_EXPR) remove. Never supported anyway.
8888 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
8890 * pa.md: Remove unused constraints from define_split's.
8892 2001-04-14 Richard Henderson <rth@redhat.com>
8894 * ifcvt.c (find_cond_trap): Test for exit block.
8896 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
8898 Re-install recently reverted patch.
8899 * emit-rtl.c (try_split): Update mark_jump_label call.
8900 * flow.c (find_sub_basic_blocks): Likewise.
8901 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8903 (mark_all_labels): Kill second parameter.
8904 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8905 (rebuild_jump_labels, jump_optimize_minimal): Update call
8907 (jump_optimize_1): Kill crossjumping code.
8908 (mark_jump_label): Kill cross_jump parameter.
8909 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8910 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8911 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8913 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8915 (dump_file_info): Likewise.
8916 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8917 reorganize passes to do reg-stack first, bb-reorder second.
8918 * invoke.texi (-d letters doc): Remove the jump2 pass.
8920 2001-07-14 Richard Henderson <rth@redhat.com>
8922 * ifcvt.c (find_cond_trap): New.
8923 (find_if_header): Call it.
8924 (merge_if_block): Relax existing jump sanity check.
8925 * jump.c (jump_optimize_1): Remove conditional trap handling.
8927 2001-07-14 Alan Modra <amodra@bigpond.net.au>
8929 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
8931 (insn_refs_are_delayed): Correct comment.
8932 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
8933 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
8934 instead of r31. Make associated insn !TARGET_64BIT, and
8935 provide an additional 64-bit insn that clobbers r2.
8937 (udivsi3): Likewise.
8939 (umodsi3): Likewise.
8941 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
8943 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
8945 * flow.c (redirect_edge_and_branch_force, split_edge,
8946 try_crossjump_to_edge): Use set_block_for_new_insns.
8947 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
8949 2001-07-13 H.J. Lu (hjl@gnu.org)
8951 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
8954 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8956 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
8958 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
8960 * c-common.c (decl_attributes): Take a pointer to the node to
8961 which attributes are to be attached, and a flags argument.
8962 * c-common.h (enum attribute_flags): New.
8963 (decl_attributes): Update prototype.
8964 * c-decl.c (start_decl, push_parm_decl, finish_struct,
8965 finish_enum, start_function): Update calls to decl_attributes.
8966 * c-parse.in (component_declarator, component_notype_declarator,
8967 label): Update calls to decl_attributes.
8969 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
8971 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
8972 * config/avr/avr.c (legitimate_address_p): Return value changed
8973 from letter to register classes. For better debugging.
8975 2001-07-13 Kazu Hirata <kazu@hxi.com>
8977 * jump.c (reversed_comparison_code_parts): Fix comment typos.
8979 2001-07-13 H.J. Lu (hjl@gnu.org)
8981 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
8983 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
8985 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
8986 correctly for shared configurations.
8987 * config/t-libgcc-pic: New.
8988 * config/{i386,m68k,sparc}/t-openbsd: New.
8989 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
8990 Support -shared. Support debugging libraries with -g.
8991 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
8992 frame information does not emit pointer diffs.
8993 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
8996 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8998 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
9000 2001-07-13 David Edelsohn <edelsohn@gnu.org>
9002 * combine.c (try_combine): Ensure const_int pow2 is positive.
9004 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
9006 * config.gcc: Add configuration for s/390.
9007 * config/s390/s390.c: New. Subroutines for code generation.
9008 * config/s390/s390.h: New. Definitions for s/390.
9009 * config/s390/s390-protos.h: New. Prototypes.
9010 * config/s390/linux.h: New. Definitions for linux for s/390.
9011 * config/s390/linux64.h: New. Definitions for linux for zSeries.
9012 * config/s390/t-linux: New. Makefile fragment.
9013 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
9014 * config/s390/fixdfdi.h: New. Fix L_fix*di.
9016 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
9018 * emit-rtl.c (try_split): Update mark_jump_label call.
9019 * flow.c (find_sub_basic_blocks): Likewise.
9020 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
9022 (mark_all_labels): Kill second parameter.
9023 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
9024 (rebuild_jump_labels, jump_optimize_minimal): Update call
9026 (jump_optimize_1): Kill crossjumping code.
9027 (mark_jump_label): Kill cross_jump parameter.
9028 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
9029 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
9030 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
9032 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
9034 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
9035 reorganize passes to do reg-stack first, bb-reorder second.
9036 * invoke.texi (-d letters doc): Remove the jump2 pass.
9038 2001-07-12 Steve Ellcey <sje@cup.hp.com>
9040 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
9042 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
9044 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
9046 (verify_flow_info): Make diagnostics prettier.
9048 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
9050 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
9052 * flow.c (outgoing_edges_match): Return early if condition reversal
9055 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
9057 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
9058 (mips_move_2words): When splitting a move into two instructions,
9059 prefix the second address operand with '%D'.
9061 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
9063 * Makefile.in (final.o): Depend on debug.h.
9064 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
9065 (dbx_debug_hooks): Add new hooks.
9066 (xcoff_debug_hooks): New.
9067 * debug.c (debug_nothing_file_int_int): New.
9068 (do_nothing_debug_hooks): Update.
9069 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
9070 (debug_nothing_file_int_int): New.
9071 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
9072 static, update prototype.
9073 (dwarf2_debug_hooks): Update.
9074 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
9075 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
9076 static, update prototype.
9077 (dwarf_debug_hooks): Update.
9078 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
9079 * final.c: Include debug.h.
9080 (final_scan_insn): Use debug hooks when beginning and ending blocks.
9081 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
9082 static, update prototype.
9083 (sdb_debug_hooks): Update.
9084 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
9085 * toplev.c: Distinguish between xcoff and dbx.
9087 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
9088 Call all debug hooks, not just dwarf ones.
9090 2001-07-11 Timothy Wall <twall@redhat.com>
9092 * config.gcc: Add configuration for AIX5/IA64.
9093 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
9094 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
9095 support prefix/suffix code.
9096 * config/ia64/t-aix: New. Makefile fragment.
9097 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
9099 2001-07-11 Kazu Hirata <kazu@hxi.com>
9101 * recog.c (validate_change): Fix a comment typo.
9103 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
9105 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
9106 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
9108 * dbxout.c (dbx_debug_hooks): Add new hooks.
9109 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
9111 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
9113 * dbxout.h (dbxout_start_new_source_file,
9114 dbxout_resume_previous_source_file): Delete.
9115 * debug.c (do_nothing_debug_hooks): Add new hooks.
9116 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
9117 (debug_nothing_int_charstar, debug_nothing_int): New.
9118 * debug.h (gcc_debug_hooks): New hooks define, undef,
9119 start_source_file and end_source_file.
9120 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
9121 (debug_nothing_int_charstar, debug_nothing_int): New.
9122 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
9123 the conditionally compiled section.
9124 (dwarf2out_start_source_file, dwarf2out_end_source_file,
9125 dwarf2out_define, dwarf2out_undef): Make static.
9126 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
9127 dwarf2out_define, dwarf2out_undef): Remove.
9128 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
9129 (dwarfout_start_source_file, dwarfout_end_source_file,
9130 dwarfout_define, dwarfout_undef): Make static.
9131 (dwarfout_start_source_file_check,
9132 dwarfout_end_source_file_check): New.
9133 (dwarfout_define, dwarfout_finish): Update.
9134 * dwarfout.h (dwarfout_start_new_source_file,
9135 dwarfout_resume_previous_source_file, dwarfout_define,
9136 dwarfout_undef): Remove.
9137 * sdbout.c (sdb_debug_hooks): Add new hooks.
9138 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
9140 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
9141 make static, take an arg.
9142 * sdbout.h (sdbout_start_new_source_file,
9143 sdbout_resume_previous_source_file): Delete.
9144 * toplev.c (debug_start_source_file, debug_end_source_file,
9145 debug_define, debug_undef): Delete.
9146 * toplev.h (debug_start_source_file, debug_end_source_file,
9147 debug_define, debug_undef): Delete.
9149 * java/jcf-parse.c: Include debug.h.
9150 (parse_class_file): Update to use debug hooks directly.
9151 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
9153 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9155 * alias.c (set_mem_alias_set): New function.
9156 * rtl.h (set_mem_alias_set): Declare it.
9157 * builtins.c (expand_builtin_return_addr): Call it instead of
9158 using MEM_ALIAS_SET accessor.
9159 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
9160 (get_memory_rtx, expand_builtin_va_arg): Likewise.
9161 (expand_builtin_va_copy):Likewise.
9162 * caller-save.c (setup_save_areas): Likewise.
9163 * calls.c (compute_argument_addresses): Likewise.
9164 * explow.c (set_mem_attributes): Likewise.
9165 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
9166 (expand_assignment, store_constructor_field, store_field): Likewise.
9167 (expand_expr_unaligned): Likewise.
9168 * function.c (assign_stack_temp_for_type): Likewise.
9169 (put_reg_into_stack, gen_mem_addressof): Likewise.
9170 * ifcvt.c (noce_try_cmove_arith): Likewise.
9171 * reload1.c (reload, alter_reg): Likewise.
9172 * config/alpha/alpha.c (get_aligned_mem): Likewise.
9173 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
9174 (alpha_expand_unaligned_store): Likewise
9175 (alpha_expand_unaligned_load_words): Likewise.
9176 (alpha_expand_unaligned_store_words): Likewise.
9177 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
9178 (alpha_expand_epilogue): Likewise.
9179 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
9180 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
9181 * config/i386/i386.c (legitimize_pic_address): Likewise.
9182 * config/i960/i960.c (setup_incoming_varargs): Likewise.
9183 * config/ia64/ia64.c (spill_restore_mem): Likewise.
9184 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
9185 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
9186 * config/mips/mips.c (mips_va_arg): Likewise.
9187 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
9188 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
9189 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9190 (setup_incoming_varargs, rs6000_va_arg): Likewise.
9191 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
9192 (rs6000_emit_epilogue): Likewise.
9193 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
9194 * config/sparc/sparc.c (sparc_va_arg): Likewise.
9195 * config/v850/v850.c (v850_va_arg): Likewise.
9197 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
9199 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
9200 when fallthru edge is present.
9201 (mege_blocks): Handle case where creation of jump insn
9204 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
9205 CLEANUP_POST_REGSTACK): New constants.
9206 * except.c (finish_eh_generation): Update call of cleanup_cfg,
9207 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
9208 * output.h (cleanup_cfg): Update prototype.
9209 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
9210 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
9211 cleanup_cfg call; kill missleading comment.
9212 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
9213 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
9214 parameter; control optimizations performed using it.
9215 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
9216 try_crossjump_bb): New functions.
9218 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
9220 * pa.c (pa_output_function_prologue): Delete prototype. Make function
9222 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
9223 pa_output_function_prologue.
9224 * pa-protos.h (pa_output_function_prologue): New prototype.
9226 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
9228 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
9229 and low to get correct sign extension in low+high test.
9231 2001-07-11 Janis Johnson <janis@us.ibm.com>
9233 * gcov.c (arcdata): Use gcov_type to fix branch percentage
9234 for large hit count.
9236 * profile.c (branch_prob): Fix .bbg info for computed gotos
9239 2001-07-11 Mark Mitchell <mark@codesourcery.com>
9241 * stmt.c (parse_output_constraint): New function, split out
9243 (expand_asm_operands): ... here. Use parse_output_constraint.
9244 * tree.h (parse_output_constraint): Declare it.
9246 2001-07-11 Richard Henderson <rth@redhat.com>
9248 * bitmap.c: Comment some functions; fiddle whitespace.
9249 (bitmap_free): Don't export.
9250 (bitmap_element_allocate): Use memset.
9251 * bitmap.h (bitmap_free): Don't declare.
9253 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
9255 * gcse.c, lcm.c, sched-deps.c:
9256 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
9258 * flow.c (flow_loops_find): Free dom if we found no loops, since
9259 we aren't going to save it.
9261 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
9264 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
9266 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
9268 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9270 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
9271 #ifndef DWARF2_DEBUGGING_INFO.
9273 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
9275 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
9277 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
9279 * config/mips/mips.c (gen_int_relational): Tell the caller not to
9280 reverse a branch if a NE comparison is implemented with GTU.
9282 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
9283 H.J. Lu <hjl@gnu.org>
9285 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
9287 (call_internal2): Likewise.
9288 (call_value_internal1): Likewise.
9289 (call_value_internal2): Likewise.
9290 (call_value_multiple_internal1): Likewise.
9291 (call_value_multiple_internal2): Likewise.
9293 2001-07-10 Kazu Hirata <kazu@hxi.com>
9295 * calls.c (emit_library_call_value_1): Fix a comment typo.
9296 * dwarf2out.c (mem_loc_descriptor): Likewise.
9297 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
9299 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
9301 * simplify-rtx.c (simplify_subreg): Fix typo in comment
9303 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9305 * recog.c (offsettable_address_p): Handle LO_SUM case.
9306 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
9307 instead of plus_constant.
9309 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9311 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
9312 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
9314 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9316 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
9317 adjust_address_nv instead of plus_constant.
9319 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
9321 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
9322 dwarf2out.o): Depend on debug.h, wrap long lines.
9323 * dbxout.c: Include debug.h.
9324 (dbx_debug_hooks): New.
9325 (dbxout_init): Make static, take just 2 args.
9326 (dbxout_finish): Make static.
9327 * dbxout.h (dbxout_init, dbxout_finish): Delete.
9328 * debug.c: New file.
9329 * debug.h: New file.
9330 * dwarf2out.c: Include debug.h.
9331 (dwarf2_debug_hooks): New.
9332 (dwarf2out_init): Make static.
9333 (dwarf2out_finish): Make static, take 2 args.
9334 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
9335 * dwarfout.c: Include debug.h.
9336 (dwarf_debug_hooks): New.
9337 (dwarfout_init): Make static.
9338 (dwarfout_finish): Make static, take 2 args.
9339 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
9340 * sdbout.c: Include debug.h.
9341 (sdb_debug_hooks): New.
9342 (sdbout_init): Make static, take 2 args.
9343 * sdbout.h (sdbout_init): Delete.
9344 * toplev.c: Include debug.h.
9346 (compile_file): Set deubg_hooks based on command line options.
9347 Use the hooks unconditionally rather than conditional compilation.
9349 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
9351 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
9352 first_insn_after_basic_block_note instead.
9354 * df.c (df_bb_refs_unlink): #if 0 out for now.
9356 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
9358 * ssa.h: Add prototype for ssa_const_prop
9359 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
9360 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
9361 (ssa_fast_dce): Remove unused variable
9363 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9365 * diagnostic.c (finish_diagnostic): Rename to
9366 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
9369 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
9371 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
9374 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
9375 (dump_file): Only pad the demangled name with spaces if the
9376 mangled name was padded with spaces.
9378 2001-07-10 Bernd Schmidt <bernds@redhat.com>
9380 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
9383 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9385 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
9386 extraction if no direct load if either EXPAND_CONST_ADDRESS or
9389 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
9390 whether can put offset inside LO_SUM to check mode alignment, not size.
9392 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9394 * doc/tm.texi (Misc): Fix thinko.
9396 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
9398 * regmove.c (replace_in_call_usage): Fix warnings.
9399 * sched-deps.c (add_dependence): Fix warnings.
9400 * simplify-rtx.c (simplify_subreg): Likewise.
9401 Return NULL_RTX instead of NULL.
9403 * reg-stack.c (emit_swap_insn): Eliminate warnings.
9404 (subst_asm_stack_regs): Likewise.
9406 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
9409 * dwarf2out.c (output_call_frame_info): Declare i as int.
9410 (build_abbrev_table): Declare n_alloc as int.
9411 (dwarf2out_finish): Initialize die.
9412 * except.c: Declare sjlj_funcdef_number as unsigned.
9413 (connect_post_landing_pads): Declare j as unsigned.
9414 (convert_to_eh_region_ranges): Initialize call_site.
9415 (output_function_exception_table): Initialize tt_format_size.
9416 * expr.c (move_by_pieces_1): Initialize to1.
9417 (store_constructor): Initialize minelt and maxelt.
9418 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
9419 * function.c (instantiate_decls): Avoid signed/unsigned warning.
9421 * c-decl.c (combine_parm_decls): Unused, remove.
9422 * c-tree.h: Remove prototype for combine_parm_decls.
9424 * reload.c (push_reload): Fix warning.
9425 (regno_clobbered_p): Likewise.
9426 * reload1.c (replace_pseudos_in_call_usage): Likewise.
9427 (reload_combine): Likewise.
9429 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
9430 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
9432 * bitmap.c (bitmap_operation): Change user.
9433 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
9435 2001-07-10 Eric Christopher <echristo@redhat.com>
9437 * config/mips/mips.c (override_options): Fix typo.
9439 2001-07-09 Stan Shebs <shebs@apple.com>
9441 * target.h (struct gcc_target): New fields init_builtins and
9443 * target-def.h (TARGET_INIT_BUILTINS): New macro.
9444 (TARGET_EXPAND_BUILTIN): New macro.
9445 (TARGET_INITIALIZER): Add them.
9446 * builtins.c: Include target.h.
9447 (expand_builtin): Use targetm.expand_builtin.
9448 (default_init_builtins): New function.
9449 (default_expand_builtin): New function.
9450 * expr.h (default_init_builtins): Declare.
9451 (default_expand_builtin): Declare.
9452 * c-common.c (c_common_nodes_and_builtins): Use
9453 targetm.init_builtins.
9454 * defaults.h (MD_INIT_BUILTINS): Remove.
9455 * Makefile.in (builtins.o): Depend on target.h.
9457 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
9458 (TARGET_EXPAND_BUILTIN): Define.
9459 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
9460 (MD_EXPAND_BUILTIN): Remove.
9462 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
9463 (TARGET_EXPAND_BUILTIN): Define.
9464 (c4x_init_builtins): Make endlink arg a local.
9465 (c4x_print_operand): Fix typos in adjust_address usages.
9466 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
9467 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
9468 (MD_EXPAND_BUILTIN): Remove.
9470 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
9471 (TARGET_EXPAND_BUILTIN): Define.
9472 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
9473 (ix86_init_builtins): Call new function only if TARGET_MMX.
9474 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
9475 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
9476 (MD_EXPAND_BUILTIN): Remove.
9478 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
9479 (TARGET_EXPAND_BUILTIN): Define.
9480 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
9481 (MD_EXPAND_BUILTIN): Remove.
9483 * doc/tm.texi: Document these changes.
9485 2001-07-09 Diego Novillo <dnovillo@redhat.com>
9487 * basic-block.h (tree_node): Forward declare if needed.
9488 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
9489 (BLOCK_HEAD_TREE): Define.
9490 (BLOCK_END_TREE): Define.
9491 (struct loops): Rename field 'tree' to 'tree_root'.
9492 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
9494 (flow_loops_tree_build): Rename reference to field 'tree' to
9496 (flow_loops_level_compute): Ditto.
9497 * predict.c (estimate_bb_frequencies): Ditto.
9498 * tree.h (struct tree_common): Add field 'aux'.
9500 2001-07-09 Stan Shebs <shebs@apple.com>
9502 * config/darwin.c (darwin_encode_section_info): Don't mark any
9503 DECL_EXTERNAL node as defined.
9505 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
9507 * pa.c (pa_init_machine_status, pa_mark_machine_status,
9508 pa_free_machine_status, hppa_init_pic_save): Delete.
9509 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
9510 (hppa_profile_hook): Use hppa_pic_save_rtx.
9511 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
9512 hppa_init_pic_save): Delete.
9513 (hppa_pic_save_rtx): Declare.
9514 * pa.md (call, call_value, sibcall, sibcall_value,
9515 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
9517 2001-07-09 Kazu Hirata <kazu@hxi.com>
9519 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
9520 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
9522 2001-07-09 Andreas Jaeger <aj@suse.de>
9524 * output.h: Add declaration of final_forward_branch_p.
9526 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
9528 * varray.c: Include errors.h for internal_error and trim_filename
9531 * Makefile.in (varray.o): Add errors.h.
9533 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
9535 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
9536 * optabs.c (have_add2_insn): Check whether the add insn chosen
9537 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
9538 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
9540 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
9542 * Makefile.in (OBJS): Add ssa-ccp.o
9543 (ssa-ccp.o): Add dependencies.
9544 * toplev.c (DFI_ssa_ccp): New dump file enum.
9545 (dump_file): Add entry for dumping after SSA CCP.
9546 (flag_ssa_ccp): New flag variable.
9547 (f_options): Add -fssa-ccp.
9548 (rest_of_compilation): Run SSA CCP if requested.
9549 * timevar.def (TV_SSA_CCP): New timevar.
9550 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
9551 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
9552 Fix minor typo in SSA DCE documentation.
9553 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
9554 Add documentation for new dump option. Renumber dump files
9557 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9559 * emit-rtl.c (gen_highpart_mode): New.
9560 * rtl.h (gen_highpart_mode): Declare.
9561 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
9562 operand can be VOIDmode constant.
9564 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
9566 * flow.c (redirect_edge_and_branch_force): New.
9567 (can_fallthru): Ensure that basic blocks are succeeding.
9568 (try_optimize_cfg): Do not delete basic block if it is the last one.
9570 * flow.c (try_redirect_by_replacing_jump): Do not remove
9571 jumps with side effects, unlink chain on fallthru edge;
9572 set block for new jump instruction; avoid basic block to
9573 over by line number note.
9575 * flow.c (try_simplify_condjump): Verify that the condjump
9576 is not always falling trought.
9579 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9581 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9582 (try_redirect_by_replacing_jump): Update properly the count
9583 and frequency information.
9585 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9587 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
9588 address that is a LO_SUM specially.
9589 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
9591 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
9593 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
9594 (operand_subword): Use them.
9595 (change_address_1): Renamed from change_address; new arg VALIDATE.
9596 * expr.h: Reflect above changes; change_address now macro.
9597 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
9599 * cselib.c (add_mem_for_addr): Likewise.
9600 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
9601 * regmove.c (try_apply_stack_adjustment): Likewise.
9602 * reload.c (push_reload, make_memloc): Likewise.
9603 * reload1.c (eliminate_regs): Likewise.
9604 * simplify-rtx.c (simplify_replace_rtx): Likewise.
9605 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
9607 * combine.c (make_extraction, simplify_shift_const): Likewise.
9608 (gen_lowpart_for_combine): Likewise.
9609 * cse.c (gen_lowpart_if_possible): Likewise.
9610 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
9611 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
9612 * optabs.c (gen_move_insn): Likewise.
9613 * reload1.c (alter_reg): Likewise.
9614 * simplify-rtx.c (simplify_subreg): Likewise.
9615 * stmt.c (expand_anon_union_decl): Likewise.
9616 * recog.c (validate_replace_rtx_1): Likewise.
9618 * Makefile.in (recog.o): Add $(EXPR_H).
9619 * explow.c (stabilize): Call replace_equiv_address.
9620 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
9621 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
9623 2001-07-03 Andrew Haley <aph@redhat.com>
9625 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
9626 the mode of the memory location.
9628 2001-07-09 Bo Thorsen <bo@suse.co.uk>
9630 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
9632 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
9634 * final.c (output_addr_const): Use target opening and
9635 closing parentheses.
9636 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
9637 defaults, add to TARGET_ASM_OUT.
9638 * target.h (struct gcc_target): Add open_paren and close_paren.
9639 * doc/md.texi: Update.
9640 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
9641 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
9642 TARGET_ASM_CLOSE_PAREN.
9643 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9645 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9647 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
9648 * config/a29k/a29k.h: Similarly.
9649 * config/alpha/alpha.h: Similarly.
9650 * config/arc/arc.h: Similarly.
9651 * config/arm/aof.h: Similarly.
9652 * config/arm/aout.h: Similarly.
9653 * config/avr/avr.h: Similarly.
9654 * config/c4x/c4x.h: Similarly.
9655 * config/clipper/clipper.h: Similarly.
9656 * config/convex/convex.h: Similarly.
9657 * config/d30v/d30v.h: Similarly.
9658 * config/dsp16xx/dsp16xx.h: Similarly.
9659 * config/elxsi/elxsi.h: Similarly.
9660 * config/fr30/fr30.h: Similarly.
9661 * config/h8300/h8300.h: Similarly.
9662 * config/i370/i370.h: Similarly.
9663 * config/i386/i386.h: Similarly.
9664 * config/i860/i860.h: Similarly.
9665 * config/i960/i960.h: Similarly.
9666 * config/ia64/ia64.h: Similarly.
9667 * config/m32r/m32r.h: Similarly.
9668 * config/m68hc11/m68hc11.h: Similarly.
9669 * config/m68k/m68k.h: Similarly.
9670 * config/m88k/m88k.h: Similarly.
9671 * config/mcore/mcore.h: Similarly.
9672 * config/mips/mips.h: Similarly.
9673 * config/mn10200/mn10200.h: Similarly.
9674 * config/mn10300/mn10300.h: Similarly.
9675 * config/ns32k/ns32k.h: Similarly.
9676 * config/pa/pa.h: Similarly.
9677 * config/pdp11/pdp11.h: Similarly.
9678 * config/pj/pj.h: Similarly.
9679 * config/romp/romp.h: Similarly.
9680 * config/rs6000/rs6000.h: Similarly.
9681 * config/sh/sh.h: Similarly.
9682 * config/sparc/sparc.h: Similarly.
9683 * config/v850/v850.h: Similarly.
9684 * config/vax/vax.h: Similarly.
9685 * config/we32k/we32k.h: Similarly.
9687 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
9689 * doc/c-tree.texi: Document representation of attributes.
9691 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9693 * doc/tm.texi: Update some places for the rename of target to
9696 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9698 * target.h (struct gcc_target): Add insert_attributes.
9699 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
9700 (TARGET_INITIALIZER): Update.
9701 * tree.c, tree.h (default_insert_attributes): New function.
9702 Update comments on other default functions to refer to targetm,
9704 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
9705 TARGET_INSERT_ATTRIBUTES.
9706 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
9707 * c-common.c (decl_attributes): Use targetm.insert_attributes.
9708 Don't use PRAGMA_INSERT_ATTRIBUTES.
9709 * Makefile.in (c-common.o): Depend on $(TARGET_H).
9710 * c-decl.c (start_decl, start_function): Don't call
9711 SET_DEFAULT_DECL_ATTRIBUTES.
9712 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9713 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
9715 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
9716 (c4x_check_attribute): Avoid modifying attribute list itself.
9717 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
9719 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
9720 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
9722 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
9723 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
9725 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9726 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
9728 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
9729 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
9730 Adjust parameters. Make static.
9732 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9734 * c-common.c (decl_attributes): Only take a single attributes
9736 * c-common.h (decl_attributes): Update prototype.
9737 * c-decl.c (start_decl, start_function): Only take a single
9738 attributes parameter. Update calls to decl_attributes.
9739 (finish_struct, finish_enum): Update calls to decl_attributes.
9740 (push_parm_decl): Expect unified list of attributes. Update call
9742 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
9743 notype_nested_function, component_declarator,
9744 component_notype_declarator, label): Update calls to
9746 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
9747 lists that are passed to push_parm_decl.
9748 * c-tree.h (start_function, start_decl): Update prototypes.
9749 * config/sh/sh-protos.h, config/sh/sh.c
9750 (sh_pragma_insert_attributes): Only take a single attributes
9752 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
9753 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
9754 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
9755 build_module_descriptor, generate_static_references,
9756 generate_strings, build_selector_translation_table,
9757 generate_descriptor_table, generate_protocols,
9758 generate_ivars_list, generate_dispatch_table,
9759 generate_protocol_list, generate_category,
9760 generate_shared_structures, really_start_method, add_objc_decls,
9761 generate_classref_translation_entry): Update calls to start_decl
9763 (build_tmp_function_decl, start_method_def): Unify attribute lists
9764 that are passed to push_parm_decl.
9766 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
9768 * final.c (no_asm_to_stream): New.
9769 (final_scan_insn): Use target structures for prologue ends
9770 and epilogue starts.
9771 * output.h (no_asm_to_stream): New.
9772 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
9773 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
9774 (TARGET_ASM_OUT): Update.
9775 * target.h (struct gcc_target): New members function_end_prologue
9776 and function_begin_epilogue.
9777 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
9778 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
9779 * config/alpha/alpha.c (output_end_prologue): Rename to
9780 alpha_output_function_end_prologue. Use in target struct
9782 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
9783 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
9784 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
9785 ia64_output_function_end_prologue. Use in target struct
9787 (ia64_function_prologue, ia64_funciton_epilogue): Rename
9788 mistyped prototypes.
9789 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
9790 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
9792 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
9793 an use in target struct, make static.
9794 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
9797 2001-07-08 Richard Henderson <rth@redhat.com>
9799 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
9801 2001-07-08 Richard Henderson <rth@redhat.com>
9803 * config/i386/i386.md: Remove constraints strings from define_split
9804 and define_peephole2 patterns.
9805 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
9806 (eh_return): Use them.
9808 2001-07-08 Richard Henderson <rth@redhat.com>
9810 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
9811 Document MD_FALLBACK_FRAME_STATE_FOR.
9813 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9815 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
9816 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
9818 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
9820 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
9822 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
9823 of the label inside NAME as opposed to just the end of NAME.
9825 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
9827 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
9828 * config/alpha/alpha.c (alpha_init_machine_status,
9829 alpha_mark_machine_status, alpha_free_machine_status): Delete.
9830 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
9831 (vms_valid_decl_attribute_p): Make static, conditionally compile.
9832 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
9834 2001-07-06 Stan Shebs <shebs@apple.com>
9836 * target.h (targetm): Rename global from "target", so as not to
9837 conflict with local variables.
9839 * c-typeck.c: Ditto.
9843 * cp/decl2.c: Ditto.
9844 * cp/typeck.c: Ditto.
9845 * 1750a/1750a.c: Ditto.
9846 * a29k/a29k.c: Ditto.
9850 * clipper/clipper.c: Ditto.
9851 * convex/convex.c: Ditto.
9852 * d30v/d30v.c: Ditto.
9853 * dsp16xx/dsp16xx.c: Ditto.
9854 * elxsi/elxsi.c: Ditto.
9855 * fr30/fr30.c: Ditto.
9856 * h8300/h8300.c: Ditto.
9857 * i370/i370.c: Ditto.
9858 * i386/i386.c: Ditto.
9859 * i860/i860.c: Ditto.
9860 * i960/i960.c: Ditto.
9861 * ia64/ia64.c: Ditto.
9862 * m32r/m32r.c: Ditto.
9863 * m68hc11/m68hc11.c: Ditto.
9864 * m68k/m68k.c: Ditto.
9865 * m88k/m88k.c: Ditto.
9866 * mips/mips.c: Ditto.
9867 * ns32k/ns32k.c: Ditto.
9869 * pdp11/pdp11.c: Ditto.
9870 * romp/romp.c: Ditto.
9871 * rs6000/rs6000.c: Ditto.
9873 * sparc/sparc.c: Ditto.
9875 * we32k/we32k.c: Ditto.
9876 * doc/tm.texi: Update the manual to match.
9878 2001-07-06 Richard Henderson <rth@redhat.com>
9880 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
9881 DWARF2_UNWIND_INFO not just whether it is defined.
9883 2001-07-06 Diego Novillo <dnovillo@redhat.com>
9885 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
9886 call to simplify_binary_operation returns a new pattern.
9888 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
9890 * glimits.h (__SHRT_MAX__): New.
9891 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
9892 (SHRT_MAX): Define in terms of __SHRT_MAX__.
9894 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
9896 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
9899 2001-07-06 Richard Henderson <rth@redhat.com>
9901 * bitmap.c (bitmap_release_memory): Move adjacent to the
9902 allocation functions.
9903 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
9904 the implementation. Binary search for the set bit.
9905 (bitmap_union_of_diff): Allocate the temporary on the stack
9906 instead of using xmalloc.
9908 2001-07-06 Richard Henderson <rth@redhat.com>
9910 * genrecog.c (validate_pattern): Warn for constraints in
9911 define_{expand,split,peephole2}. Remove strict_low_part
9912 before looking up match_dup.
9914 2001-07-06 DJ Delorie <dj@redhat.com>
9916 * doc/gcc.texi (Makefile): Rename to be a more general purpose
9917 chapter about various build hints and history. Add section
9918 talking about the various types of native and cross builds.
9920 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
9922 * Makefile.in (final.o): Depend on target.h.
9923 * final.c: Include target.h.
9924 (default_function_pro_epilogue): New.
9925 (final_start_function): Use target structure for function prologues.
9926 (final_end_function): Use target structure for function epilogues.
9927 * fold-const.c (real_hex_to_f): Constify s and p.
9928 * output.h (default_function_pro_epilogue): New.
9929 * real.h (real_hex_to_f): Update prototype.
9930 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
9931 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
9932 (TARGET_INITIALIZER): Update.
9933 * target.h (gcc_target): Add struct asm_out.
9934 * doc/tm.texi: Update.
9937 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
9938 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
9939 in cpu/cpu.c, or rename old functions consistently. Take
9940 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
9941 redundant macros and prototypes. Make new functions static.
9943 * 1750a/1750a.c: Similarly.
9944 * 1750a/1750a.h: Similarly.
9945 * a29k/a29k-protos.h: Similarly.
9946 * a29k/a29k.c: Similarly.
9947 * a29k/a29k.h: Similarly.
9948 * arc/arc-protos.h: Similarly.
9949 * arc/arc.c: Similarly.
9950 * arc/arc.h: Similarly.
9951 * arm/arm-protos.h: Similarly.
9952 * arm/arm.c: Similarly.
9953 * arm/arm.h: Similarly.
9954 * avr/avr-protos.h: Similarly.
9955 * avr/avr.c: Similarly.
9956 * avr/avr.h: Similarly.
9957 * clipper/clipper-protos.h: Similarly.
9958 * clipper/clipper.c: Similarly.
9959 * clipper/clipper.h: Similarly.
9960 * convex/convex.c: Similarly.
9961 * convex/convex.h: Similarly.
9962 * d30v/d30v-protos.h: Similarly.
9963 * d30v/d30v.c: Similarly.
9964 * d30v/d30v.h: Similarly.
9965 * d30v/d30v.md: Similarly.
9966 * dsp16xx/dsp16xx-protos.h: Similarly.
9967 * dsp16xx/dsp16xx.c: Similarly.
9968 * dsp16xx/dsp16xx.h: Similarly.
9969 * elxsi/elxsi.c: Similarly.
9970 * elxsi/elxsi.h: Similarly.
9971 * fr30/fr30.c: Similarly.
9972 * fr30/fr30.md: Similarly.
9973 * h8300/h8300-protos.h: Similarly.
9974 * h8300/h8300.c: Similarly.
9975 * h8300/h8300.h: Similarly.
9976 * i370/i370-protos.h: Similarly.
9977 * i370/i370.c: Similarly.
9978 * i370/i370.h: Similarly.
9979 * i386/i386.c: Similarly.
9980 * i386/osf1elf.h: Similarly.
9981 * i386/osfrose.h: Similarly.
9982 * i860/i860-protos.h: Similarly.
9983 * i860/i860.c: Similarly.
9984 * i860/i860.h: Similarly.
9985 * i960/i960-protos.h: Similarly.
9986 * i960/i960.c: Similarly.
9987 * i960/i960.h: Similarly.
9988 * ia64/ia64-protos.h: Similarly.
9989 * ia64/ia64.c: Similarly.
9990 * ia64/ia64.h: Similarly.
9991 * m32r/m32r-protos.h: Similarly.
9992 * m32r/m32r.c: Similarly.
9993 * m32r/m32r.h: Similarly.
9994 * m68hc11/m68hc11-protos.h: Similarly.
9995 * m68hc11/m68hc11.c: Similarly.
9996 * m68hc11/m68hc11.h: Similarly.
9997 * m68k/crds.h: Similarly.
9998 * m68k/dpx2.h: Similarly.
9999 * m68k/m68k-protos.h: Similarly.
10000 * m68k/m68k.c: Similarly.
10001 * m68k/m68k.h: Similarly.
10002 * m68k/news.h: Similarly.
10003 * m88k/m88k-protos.h: Similarly.
10004 * m88k/m88k.c: Similarly.
10005 * m88k/m88k.h: Similarly.
10006 * mips/mips-protos.h: Similarly.
10007 * mips/mips.c: Similarly.
10008 * mips/mips.h: Similarly.
10009 * ns32k/merlin.h: Similarly.
10010 * ns32k/ns32k.c: Similarly.
10011 * ns32k/ns32k.h: Similarly.
10012 * ns32k/tek6000.h: Similarly.
10013 * pa/pa-protos.h: Similarly.
10014 * pa/pa.c: Similarly.
10015 * pa/pa.h: Similarly.
10016 * pdp11/2bsd.h: Similarly.
10017 * pdp11/pdp11-protos.h: Similarly.
10018 * pdp11/pdp11.c: Similarly.
10019 * pdp11/pdp11.h: Similarly.
10020 * romp/romp-protos.h: Similarly.
10021 * romp/romp.c: Similarly.
10022 * romp/romp.h: Similarly.
10023 * rs6000/rs6000-protos.h: Similarly.
10024 * rs6000/rs6000.c: Similarly.
10025 * rs6000/rs6000.h: Similarly.
10026 * rs6000/sysv4.h: Similarly.
10027 * sh/sh-protos.h: Similarly.
10028 * sh/sh.c: Similarly.
10029 * sh/sh.h: Similarly.
10030 * sparc/sparc-protos.h: Similarly.
10031 * sparc/sparc.c: Similarly.
10032 * sparc/sparc.h: Similarly.
10033 * vax/vax.c: Similarly.
10034 * vax/vax.h: Similarly.
10035 * vax/vms.h: Similarly.
10036 * we32k/we32k.c: Similarly.
10037 * we32k/we32k.h: Similarly.
10039 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
10041 * basic-block.h (first_insn_after_basic_block_note): Declare.
10042 * flow.c (first_insn_after_basic_block_note): Define. Moved
10044 * ssa.c (first_insn_after_basic_block_note): Remove.
10045 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
10047 (ssa_eliminate_dead_code): Properly update the CFG and PHI
10048 nodes when we find a dead conditional branch. Insert BARRIERs
10049 after any blocks with no successors, but which do not have
10052 2001-07-06 Zack Weinberg <zackw@stanford.edu>
10054 * varray.c (varray_check_failed): Use internal_error.
10056 2001-07-05 Andrew Haley <aph@redhat.com>
10058 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
10059 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
10060 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
10062 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
10064 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
10065 reference if the target constant is also a SYMBOL_REF.
10067 2001-07-05 Eric Christopher <echristo@redhat.com>
10069 * config/mips/mips.h (MASK_MIPS3900): Remove.
10070 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
10071 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
10072 (TARGET_MIPS3900): Change to use mips_arch.
10073 (TARGET_MIPS4000): New.
10074 (TARGET_MIPS4100): New.
10075 (TARGET_MIPS4300): New.
10076 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
10077 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
10079 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
10080 (ISA_HAS_BRANCHLIKELY): To here.
10081 (CC1_CPU_SPEC): New.
10082 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
10083 (mips_arch_string): Declare.
10084 (mips_arch): Declare.
10085 (TARGET_OPTIONS): Add -march and -mtune.
10087 * config/mips/mips.c (mips_arch_string): New.
10089 (override_options): Handle -march for codegen and -mtune
10090 for scheduling. Use mips_arch. Move tx39 target default here.
10091 (mips_parse_cpu): Move error message to override_options.
10093 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
10095 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
10097 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
10098 (MIPS Options): Ditto. Change mcpu entry to historical text.
10100 2001-07-05 H.J. Lu (hjl@gnu.org)
10102 * config/mips/mips.c (mips_parse_cpu): New function to parse
10105 2001-07-05 Jim Wilson <wilson@redhat.com>
10107 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
10108 * config/ia64/t-ia64: Likewise.
10109 (LIB1ASMFUNCS): Update comment.
10111 2001-07-05 David Edelsohn <edelsohn@gnu.org>
10113 * doc/install.texi (Install GCC: Binaries): Fix typo.
10115 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10117 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
10118 reference using the stack pointer, adjust it since we push Y
10120 ("*ashrsi3"): Likewise.
10121 ("*lshrsi3"): Likewise.
10123 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10125 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
10126 when -fomit-frame-pointer is used.
10128 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
10130 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
10131 (try_redirect_by_replacing_jump): Reverse updating properly the
10132 count and frequency information. Reverse removing cc0 setter.
10133 (forwarder_block_p): Reverse fixing for fallthru blocks.
10135 2001-07-05 DJ Delorie <dj@redhat.com>
10137 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
10138 (translate_options): If the above is defined, use it to map
10139 given options to new options.
10140 * doc/tm.texi: Document it.
10142 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
10143 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10145 * doc/invoke.texi (Optimize Options): Document that -fgcse may
10146 cause programs using computed gotos to run more slowly.
10148 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10150 * doc/install.texi (Specific): Markup, spelling and typo fixes.
10152 Consistently require binutils 2.11.2, not prereleases.
10153 (Specific, decstation-*): Canonicalize as mips-dec-*.
10154 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
10156 (Specific, m68k-altos): Removed reference to README.altos, deleted.
10157 (Specific, mips-*): Reword MIPS C compiler requirements.
10158 (Specific, powerpc*-*-*): New, mention --with-cpu once.
10159 (Specific, sunv5): Removed, obsolete.
10161 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
10163 * dwarf2out.c (output_loc_list): Use an all ones mask for
10164 .text asm output and don't rely on long long
10165 literals. Reformat some long lines.
10167 2001-07-05 Andreas Jaeger <aj@suse.de>
10169 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
10172 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
10174 * dwarf2out.c (dwarf2out_define): Update comment.
10175 (dwarf2out_undef): Ditto.
10176 (dwarf2out_start_source_file): Ditto.
10177 (dwarf2out_end_source_file): Ditto.
10178 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
10179 since we never call the start/end debug hook for the primary file.
10181 2001-07-04 Kazu Hirata <kazu@hxi.com>
10183 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
10186 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
10188 * cppinit.c (remove_dup_dirs): Inform if a system include
10189 directory is being reordered.
10190 * doc/invoke.texi (Directory Options): GCC warns if you hide a
10192 * doc/cpp.texi (Search Paths): Likewise.
10193 * doc/gcc.texi (Interoperation): Remove information about
10196 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
10198 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
10199 (VARRAY_TOP_CHAR_PTR): Likewise.
10201 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10203 * gcc.c (process_command): Don't assign elements of a const char*.
10205 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10207 * emit-rtl.c (change_address): Don't abort if invalid address while
10208 reload is in progress.
10210 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
10212 * c-lex.c (cb_file_change): Pass line number to
10213 debug_start_source_file.
10214 (cb_undefine): Pass correct line number to debug_undef.
10216 * toplev.c (debug_start_source_file): Add line number to
10217 parameters. Pass it along to dwarf2out_start_source_file.
10218 (decode_g_option): Stop resetting debug level back to normal when
10219 we change debug formats, unless the current level is
10220 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
10223 * toplev.h (debug_start_source_file): Add line number to
10226 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
10229 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
10231 Output debug_macinfo data for starting file if requested.
10232 (dwarf2out_end_source_file): Output debug_macinfo data for ending
10234 (dwarf2out_define): Output debug_macinfo data for defining a macro
10236 (dwarf2out_undef): Output debug_macinfo data for undefining a
10237 macro if requested.
10238 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
10239 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
10240 (macinfo_section_label): New. DWARF2 macro info section label.
10241 (dwarf2out_init): If we want macro info, output the start label
10243 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
10244 attribute to the compilation unit die pointing to the macro info.
10246 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
10248 * dwarf2out.c (new_loc_list): Move to inside #ifdef
10249 DWARF2_DEBUGGING_INFO.
10250 (add_loc_descr_to_loc_list): Ditto.
10251 (output_loc_list): Ditto.
10252 Also, fix thinko in curr not being initialized.
10253 (gen_internal_sym): Ditto.
10255 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10257 * emit-rtl.c (replace_equiv_address): New function.
10258 * expr.h (replace_equiv_address): New declaration.
10259 * explow.c (validize_mem): Call it instead of change_address and
10260 also call if -fforce-addr and address is constant.
10261 * expr.c: Replace more calls to change_address with adjust_address
10262 and/or replace_equiv_address or to validize_mem.
10263 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
10264 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
10265 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
10266 * config/i370/i370.md, config/i860/i860.md: Likewise.
10267 * config/i960/i960.md, config/mips/mips.c: Likewise.
10268 * config/mips/mips.md, config/pa/pa.md: Likewise.
10269 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
10270 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
10272 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10274 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
10276 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
10279 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
10281 * doc/include: New directory.
10282 * doc/fdl.texi: Move to doc/include/fdl.texi.
10283 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
10284 * doc/include/funding.texi, doc/include/gpl.texi: New files.
10285 * doc/gcc.texi: Use funding.texi and gpl.texi.
10286 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
10287 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
10288 Update dependencies and use -I $(docdir)/include.
10290 2001-07-04 Anthony Green <green@redhat.com>
10292 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
10294 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10296 * doc/install.texi (sparc64-*-*): Remove garbage.
10298 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
10300 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
10301 Fix typo in last change to use adjust_address.
10303 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10305 * doc/install.texi (Specific): Update information for *-*-solaris*.
10307 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10309 * explow.c (plus_constant_wide): Reinitialize Y for restart.
10311 2001-07-03 Stan Shebs <shebs@apple.com>
10313 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
10314 case for flag_no_mach_text_sections.
10315 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
10316 * config/darwin.c (flag_no_mach_text_sections): Remove.
10317 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
10319 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10321 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
10322 and avoid checking for constant as first operand.
10323 * recog.c (find_constant_term_loc): No longer static.
10324 (adj_offettable_operand): Delete.
10325 * rtl.h (adj_offsettable_operand): Delete declaration.
10326 (find_constant_term): Add declaration.
10327 * caller-save.c: Replace calls to adj_offsettable_operand with calls
10329 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
10330 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
10331 * config/i386/i386.c, config/i386/i386.md: Likewise.
10332 * config/i860/i860.c, config/i960/i960.c: Likewise.
10333 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
10334 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
10335 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
10336 * config/mips/mips.c, config/mips/mips.md: Likewise.
10337 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
10338 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
10339 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
10340 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
10341 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
10342 * config/ns32k/ns32k.md: Likewise.
10344 2001-07-03 Zack Weinberg <zackw@stanford.edu>
10346 * rtl.c (copy_rtx): Handle 'T' format letter.
10347 * gensupport.c (collect_insn_data): Likewise.
10348 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
10350 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
10352 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
10353 -B option. Use 'dir' not 'foo' as example directory name.
10355 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10357 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
10358 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
10360 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
10362 * doc/cppinternals.texi: Improve formatting and logical markup.
10364 2001-07-03 Andreas Jaeger <aj@suse.de>
10366 * Makefile.in (insn-recog.o): Add dependency on reload.h.
10368 * genrecog.c (write_header): Include reload.h for prototypes in
10371 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
10374 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
10375 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
10376 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
10377 i386_pe_valid_type_attribute_p): Add.
10378 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
10379 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
10381 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10383 * explow.c (plus_constant_wide, case LO_SUM): New case.
10384 (plus_constant_for_output_wide): Delete.
10385 * rtl.h (plus_constant_for_output): Delete.
10386 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
10387 instead of plus_constant_for_output.
10388 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
10389 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
10390 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
10391 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
10392 * config/sparc/sparc.md: Likewise.
10393 Convert some change_address calls to adjust_address.
10395 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
10397 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
10398 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
10399 documentation of -std and -Wwrite-strings.
10401 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
10403 * cse.c (canon_hash): Don't register registers in very small
10404 register classes, as extending their lifetime might cause
10407 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
10409 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
10411 * flow.c (forwarder_block_p): Fix for fallthru blocks.
10412 (try_redirect_by_replacing_jump): Update properly the count
10413 and frequency information.
10415 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
10417 * toplev.c (dump_file_index): Move SSA dumps just after first
10419 (dump_file): Corresponding changes.
10420 (rest_of_compilation): Move SSA path to just after the first
10422 * doc/gcc.texi (Passes): Update due to movement of SSA path.
10423 * doc/invoke.texi: Update dump file #s as they were completely
10424 out of date with reality.
10426 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
10428 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
10430 * expr.c (emit_move_insn_1): Deal with non-default
10433 * expr.c (emit_single_push_insn): Fix warning.
10435 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
10437 * expr.c (emit_move_insn_1): Avoid modifying
10438 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
10440 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10442 * emit-rtl.c (adjust_address): New function.
10443 * expr.h (adjust_address): Add declaration.
10444 * builtins.c: Replace some calls to change_address with calls to it
10445 or to validize_mem.
10446 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
10447 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
10448 * config/arm/arm.c, config/convex/convex.c: Likewise.
10449 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
10450 * config/i386/i386.c, config/i386/i386.md: Likewise.
10451 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
10452 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
10453 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
10454 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
10455 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
10457 2001-07-02 Jim Wilson <wilson@redhat.com>
10459 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
10461 2001-07-02 Steve Ellcey <sje@cup.hp.com>
10463 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
10464 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
10466 2001-07-02 Zack Weinberg <zackw@stanford.edu>
10468 * cppinit.c (lang_defaults): New table.
10469 (set_lang): Just read from lang_defaults into the live options
10472 2001-07-02 Zack Weinberg <zackw@stanford.edu>
10474 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
10475 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
10476 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
10478 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10480 * doc/install.texi: Various spelling and markup fixes.
10481 (Installing GCC): Component specific installation instructions are
10484 Warn about removing old install dir in the presence of shared libs.
10485 (Configuration): Invoke with options target to match configure
10487 Consistently refer to gas, gld pathnames.
10488 Invert --enable-multilib documentation.
10489 Remove references to old compiler versions.
10491 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10493 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
10495 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10497 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
10499 (Specific, mips*-sgi-irix5): Note IDO download.
10500 Reworded MIPS C hints.
10501 Use GNU as instead of GAS.
10503 Removed SGI Freeware reference, IRIX 6 only.
10504 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
10505 Note N64 library requirement/workaround.
10507 Complete list of structure passing bug victims.
10509 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10511 * doc/install.texi: Remove CVS Id.
10513 2001-07-02 Andreas Jaeger <aj@suse.de>
10515 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
10516 (find_inherently_necessary): Remove unused variable.
10518 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
10520 * c-common.h (TDI_inlined): New ast dump phase.
10521 (dump_flag_name): New function.
10522 * c-dump.c (dump_files): Add inlined phase.
10523 (dump_flag_name): Define.
10524 * doc/invoke.texi (-fdump-ast-inlined): Document.
10526 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10528 * stor-layout.c (layout_decl): Revert change to handling of alignment
10531 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10533 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
10536 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
10538 * doc/tm.texi (FUNCTION_ARG): Document that the last call
10541 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
10543 * tlink.c (recompile_files): Remove COMPILER_PATH and
10544 LIBRARY_PATH from the environment.
10546 2001-07-01 Zack Weinberg <zackw@stanford.edu>
10548 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
10549 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
10551 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
10553 * c-parse.in (OBJC_STRING): Kill.
10554 (objc_string): Decompose to [objc_string] '@' STRING.
10555 (reswords): Take the leading '@' off all the Objective C keywords.
10556 (objc_rid_sans_at): Kill.
10557 (init_reswords): Don't initialize it.
10558 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
10559 (_yylex): Kill reconsider label. Look ahead one token after
10560 an '@'; if we get an identifier, check whether it's an
10561 Objective C @-keyword. If so, return the keyword. Otherwise,
10562 put back the token and return the '@' as a terminal.
10564 * cpplib.c (lex_macro_node): Remove unnecessary check for
10565 leading '@' on identifier. Clarify control flow and commentary.
10567 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10569 * cse.c (new_label_ref): Variable deleted.
10570 (insert): Remove set of new_label_ref.
10571 (check_for_label_ref): New function.
10572 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
10574 See ChangeLog.5 for earlier changes.