1 2000-07-17 Kazu Hirata <kazu@hxi.com>
3 * fold-const.c: Fix comment typos.
5 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
7 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9 2000-07-16 Mark Mitchell <mark@codesourcery.com>
11 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Fix typo.
13 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
17 2000-07-16 Neil Booth <NeilB@earthling.net>
19 * cpplex.c: Update comments.
20 * README.Portability: Small update.
22 2000-07-16 Neil Booth <NeilB@earthling.net>
24 * README.Portability: Small update.
26 2000-07-15 Richard Henderson <rth@cygnus.com>
28 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
29 * config/ia64/ia64.c (ia64_move_ok): New function.
30 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
31 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
33 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
35 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
36 immediately following a paste operator.
37 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
38 (cpp_reader_init): Call it, if HOST_EBCDIC.
39 (cpp_handle_options): Do not sort option list here.
40 (handle_option): Rename to cpp_handle_option and export.
41 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
42 _cpp_get_token directly.
43 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
44 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
45 * cpplib.h: Prototype cpp_handle_option. Update prototype of
48 2000-07-15 Richard Henderson <rth@cygnus.com>
50 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
51 cast around an expression. Tidy other unsigned tests.
53 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
55 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
56 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
57 (v_message_with_decl): Rename to ...
58 (format_with_decl): ... this. Tweak
59 (diagnostic_for_decl): New function.
60 (fatal_io_error): Use verbatim in lieu of notice.
61 (announce_function): Use verbatim.
62 (default_print_error_function): Likewise.
63 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
66 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
68 * mips.c (function_arg_pass_by_reference): Don't do automatic
69 aggregate initialization.
70 (machine_dependent_reorg): Initialize variable `mode'.
72 * mips.md (absdi2): Change variable `regno1' to unsigned int.
73 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
74 conflicts with sys/param.h macro of the same name.
75 (reload_outdi): Likewise.
77 2000-07-15 Michael Meissner <meissner@redhat.com>
79 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
80 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
81 create a new node instead.
83 2000-07-15 Neil Booth <NeilB@earthling.net>
85 * README.Portability: Correct example about calling a function
86 through a pointer to function. Format wide paragraphs.
88 2000-07-15 Michael Meissner <meissner@redhat.com>
90 * README.Portability: Update integer suffixes and function
93 2000-07-15 Neil Booth <NeilB@earthling.net>
95 * README.Portability: Small update.
97 2000-07-15 Neil Booth <NeilB@earthling.net>
99 * README.Portability: New file.
101 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
103 * INSTALL: Give special instructions for building GCC on Irix 6.
104 * config/mips/x-iris6 (CC): Don't set it.
107 2000-07-14 Jason Merrill <jason@redhat.com>
109 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
110 register in the stack and later in another register, use the new
113 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
115 * config/mips/mips.md: (absdi2): Handle sign_extend for
118 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
120 * cpplib.c (do_pragma_dependency): Tidy warning messages.
122 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
124 * .cvsignore: Correct typo.
126 2000-07-13 Mark Mitchell <mark@codesourcery.com>
128 * .cvsignore: Add generated YACC files.
129 * objc/.cvsignore: New file.
131 2000-07-14 Neil Booth <NeilB@earthling.net>
133 * cpplex.c (adjust_column): New funcion.
134 (skip_whitespace): Use it.
135 (skip_block_comment): Use it, and warn about /*/* with
138 2000-07-14 Neil Booth <NeilB@earthling.net>
140 * cpphash.c (struct macro_info): Add new members.
141 (_cpp_free_definition): Delete the macro directly.
142 (count_params): Return void, with first token of
143 expansion in struct macro_info on success.
144 (parse_define): Return int. Hoist syntax checking from
145 save_macro_expansion. Leave call to save_expansion to
146 _cpp_create_definition.
147 (alloc_macro): Needs just 2 arguments.
148 (free_macro): Delete.
149 (save_expansion): Don't perform syntax check.
150 (_cpp_create_definition): Call save_expansion.
152 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
154 * genrecog.c (write_header): Split long string.
156 * cpphash.c (macro_info): Don't use the `signed' keyword.
158 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
160 2000-07-13 Jakub Jelinek <jakub@redhat.com>
162 * calls.c (stored_args_map): New variable.
163 (check_sibcall_argument_overlap_1): New.
164 (check_sibcall_argument_overlap): New.
165 (expand_call): Initialize stored_args_map.
166 Call check_sibcall_argument_overlap.
168 2000-07-13 Bruce Korb <bkorb@gnu.org>
170 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
171 (emit_gnu_type): utility procedure for gnu_type_fix
172 (gnu_type_fix): implement various pre-processor guards around
173 standard types so these types can be defined over and over
174 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
175 types alluded to above will have GNU-compliant base types
176 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
177 * fixinc/inclhack.def: add test_text entries and utilize the new
178 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
179 * fixinc/fixincl.x: regenerate
181 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
183 * diagnostic.c (vline_wrapper_message_with_location,
184 v_message_with_file_and_line, v_error_with_file_and_file,
185 v_error_for_asm, v_warning_for_asm, vfatal,
186 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
187 vsorry, verror, vwarning, vpedwarn): Remove.
188 (diagnostic_for_asm): New function.
189 (pedwarn, error, warning, pedwarn_with_file_and_line,
190 error_with_file_and_line, warning_with_file_and_line, sorry,
191 error_for_asm, warning_for_asm, fatal): Reimplement.
192 (finish_diagnostic): Clear diagnostic info as well.
194 2000-07-13 Neil Booth <NeilB@earthling.net>
196 * c-common.h (flag_digraphs): New.
197 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
198 * c-lex.c (yylex): Use flag_digraphs to decide whether to
201 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
203 * gcc.c (do_spec_1): Add new %B operator.
204 (set_input): Prepare for %B.
206 (link_command_spec): Move up with the other tm.h-
207 overrideable specs. Factor out the portion conditional on
208 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
209 (struct compiler): Just have a single spec string. All users
211 (default_compilers): Remove unnecessary braces.
212 (static_specs): Update.
214 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
216 (C and assembly specs): Use the new named specs, as appropriate.
218 * objc/lang-specs.h: Use the new named specs.
219 Remove unnecessary braces.
221 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
223 * gcc.c (execute): If a subprocess gets a fatal signal, report
224 strsignal() of the signal number, and ask for a bug report.
225 Do not do this for SIGPIPE if there's already been an error.
227 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
232 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
234 * final.c (profile_function): Do not emit profile counters in
235 the data section, if NO_PROFILE_COUNTERS is defined.
236 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
239 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
240 (FUNCTION_PROFILER): Just emit a call to mcount.
242 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
244 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
246 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
247 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
248 traditional, lang_chill, or lang_fortran.
250 * cppfiles.c: #undef strcmp to suppress warning about macros
251 used without arguments.
252 (_cpp_execute_include): Use f, not fname, in "No include path"
254 (_cpp_pop_file_buffer): New function.
255 * cpplib.c: Don't include <sys/mman.h>.
256 (cpp_push_buffer): Set line_base and lineno in new buffer.
257 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
259 * cpplex.c: Move all prototypes and structure declarations to the
260 top of the file. Properly parenthesise some macro arguments.
261 (cpp_scan_line): New function.
262 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
263 don't need to walk up the stack counting.
265 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
267 * c-common.c (combine_strings): Emit a pedantic warning when a
268 string length is greater than the minimum ANSI C is required
271 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
273 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
274 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
276 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
278 * c-decl.c (define_label): Warn about identifier conflicts with
279 labels in traditional C.
281 * c-parse.in (unop +): Warn about the unary plus operator for
284 * c-typeck.c (store_init_value): Warn about automatic aggregate
285 initialization for traditional C.
287 * invoke.texi (-Wtraditional): Document new warnings.
289 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
291 * Makefile.in (c-errors.o): Fix thinko in dependency.
293 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
295 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
296 -traditional, -ftraditional, or -traditional-cpp was given.
297 Do not pass -traditional to the preprocessor.
298 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
299 preprocessor does it automatically.
300 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
302 * ch/lang-specs.h: Always use tradcpp. Do not pass
303 -traditional, -trigraphs, or -pedantic to the preprocessor.
304 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
307 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
309 * cppexp.c (LOGICAL): Delete macro.
310 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
313 * cpphash.c (HASHSIZE): Increase to 4096.
314 (struct hashdummy): Add hash field.
315 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
316 the string values using memcmp.
317 (cpp_lookup): Set dummy.hash.
319 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
321 * configure.in (m88k-openbsd): Express configuration using new fragment
323 * configure: Rebuilt.
324 * m88k/aout-dbx.h: New.
325 * m88k/openbsd.h: New.
326 * m88k/xm-openbsd.h: New.
328 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
330 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
332 2000-07-12 Richard Henderson <rth@cygnus.com>
334 * reload.c (push_secondary_reload): Make sure to add the new
335 reload at the end, after acquiring secondary memory.
337 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
339 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
341 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
342 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
344 * c-parse.in (stmt): Delete unused variables.
346 * convert.c (convert_to_vector): Likewise.
348 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
350 * tree.c (finish_vector_type): Prototype.
352 2000-07-12 Bruce Korb <bkorb@gnu.org>
354 * fixinc/fixfixes.c: use xmalloc
355 * fixinc/fixincl.c(initialize): set program name for xmalloc
356 * fixinc/fixlib.c(must_malloc): obsolete
357 (is_cxx_header): no longer used - disabled
358 (skip_quote): inserted and disabled for future use
359 * fixinc/fixlib.h: reflects above
360 * fixinc/fixtests.c: removed dinkleberries
362 2000-07-12 Neil Booth <NeilB@earthling.net>
364 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
365 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
367 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
368 struct toklist_dummy): New.
369 (cpp_free_definition): Free macros with free_macro.
370 (count_params): Don't save paramter spellings. Save macro
371 information in a struct macro_info.
372 (parse_define): Don't allocate a token list.
373 (save_expansion): Allocate the macro's token list, and
374 save parameter spellings if necessary. Use TOKEN_SPELL.
375 (cpp_create_definition): Make list const.
377 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
379 * c-typeck.c (pedwarn_c99): Move to
380 * c-errors.c: ... Here.
381 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
382 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
383 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
384 (c-errors.o): List dependency.
386 2000-07-12 Mark Mitchell <mark@codesourcery.com>
389 * c-parse.h: Likewise.
390 * c-parse.y: Likewise.
391 * objc/objc-parse.c: Likewise.
392 * objc/objc-pasre.y: Likewise.
394 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
396 * gcc.texi: Fix minor typos
397 * extend.texi: Fix minor typos
399 2000-07-11 Marc Espie <espie@openbsd.org>
401 * collect2.c (main): Recognize .lo as object files.
403 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
405 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
408 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
409 with MAP_ANONYMOUS and MAP_ANON.
410 * configure, config.in: Rebuilt.
412 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
414 * diagnostic.c (save_output_state): Remove.
415 (restore_output_state): Likewise.
416 (clear_text_info): New function.
417 (clear_diagnostic_info): Likewise.
418 (output_text_length, is_starting_newline, output_prefix,
419 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
420 prefixing_policy, output_buffer_ptr_to_format_args): New macros
421 (set_real_maximum_length, output_set_maximum_length,
422 output_set_prefix, output_get_prefix, output_set_maximum_length,
423 output_destroy_prefix, init_output_buffer,
424 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
425 output_add_newline, output_add_character, output_add_space,
426 output_append_r, output_append, wrap_text, output_format,
427 output_do_printf, output_printf, output_do_verbatim,
428 output_verbatim, verbatim): Use them.
429 (output_clear): Split into cleat_text_info and
430 clear_diagnostic_info.
431 (struct output_state): Move to...
433 * diagnostic.h: ...Here
434 (struct output_buffer): Adjust.
436 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
438 * cpplex.c (parse_name): No longer inline (premature optimization).
439 (do_pop_context): Fold into pop_context.
440 (pop_context): Returns int.
441 (lex_next): Hoist test for end of directive into pop_context.
442 (push_macro_context): Returns int; takes just reader and token.
443 Hoist test for excessive nesting to caller.
444 (push_arg_context): Returns void; takes just reader and token.
445 Do not call stringify_arg or get_raw_token.
446 (get_raw_token): Convert tail recursion through push_arg_context
447 to a loop at this level. Call stringify_arg here if appropriate.
448 (maybe_paste_with_next): Convert tail recursion to a while loop.
449 Hoist test of paste_level to caller.
451 (stringify_arg): Push arg context at beginning.
452 (cpp_get_token): Split out core into _cpp_get_token. Call
453 process_directive here. Throw away CPP_PLACEMARKER tokens.
454 (_cpp_get_token): Convert tail recursion through
455 push_macro_context to a loop at this level.
456 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
457 _cpp_get_raw_token): Use _cpp_get_token.
458 (_cpp_skip_rest_of_line): Drop the context stack directly; do
459 not call pop_context.
460 (_cpp_run_directive): Call lex_next directly.
462 * cpphash.h: Prototype _cpp_get_token.
463 * cppexp.c (lex): Use it.
464 * cpphash.c (parse_define): Use it.
465 * cpplib.c (get_define_node, do_undef, parse_include,
466 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
467 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
468 parse_ifdef, validate_else): Use it.
469 (cpp_push_buffer): Tweak error message; abort if anyone tries
470 to push a buffer while macro expansions are stacked.
472 2000-07-11 Donn Terry <donnte@microsoft.com>
474 * cpplex.c (free_macro_args, save_token): Cast arg of free
475 and/or xrealloc to PTR.
476 (_cpp_init_input_buffer): Clear all fields of the base context.
478 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
480 * gensupport.c (process_rtx): Make rtl checking stop
481 complaining about the define_insn while it is being
482 converted from a define_insn_and_split.
484 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
486 * config/mips/mips.c (simple_memory_operand): Access the
487 INTVAL of the address, not it's containing MEM.
489 2000-07-11 Bruce Korb <bkorb@gnu.org>
491 * fixinc/fixtests.c(double_slash): obsolete
492 (else_endif_label): likewise
493 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
494 (libc1_ifdefd_memx): correct initial comment
495 and omit the #if/#endif pair from the memxxx declarations
496 * fixinc/fixincl.x: regen
498 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
500 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
502 2000-07-11 Neil Booth <NeilB@earthling.net>
506 2000-07-11 Neil Booth <NeilB@earthling.net>
508 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
509 (handle_option): Set digraphs according to standard.
510 Merge OPT_lang_c89 handler with OPT_std_c89.
512 * cpplex.c: (lex_line, can_paste): Honour digraphs in
513 accordance with the digraphs flag.
515 * cpplib.h: (struct cpp_options): New option digraphs.
517 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
518 Bruce Korb <bkorb@gnu.org>
520 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
521 * fixinc/fixincl.x: Regenerate.
522 * fixinc/tests/base/testing.h: Add testcase.
524 2000-07-10 Richard Henderson <rth@cygnus.com>
526 * config/ia64/ia64.c (got_symbolic_operand): New.
527 (symbolic_operand, move_operand): Revert 0701 change.
528 * config/ia64/ia64.h (PREDICATE_CODES): Update.
529 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
530 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
531 split the offset into a 14-bit low part instead of a 13-bit low part.
532 (load_fptr): Mark the mem as unchanging.
533 (load_symptr): Use got_symbolic_operand.
535 2000-07-10 Nick Clifton <nickc@cygnus.com>
537 * libgcc2.c (next_stack_level): Cast result of computation to
538 (void **) so that the assignment does not generate a warning.
540 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
542 * flags.h : Add new variable flag_single_precision_constant.
543 * toplev.c (display_help) : Add -fsingle-precision-constant option.
544 (flag_single_precision_constant): New.
545 * c-lex.c (yylex): Convert floating point constant to single
547 * invoke.texi : Add documentation for this new option.
549 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
551 * diagnostic.c (output_octal): Second parameter is unsigned.
552 (output_long_octal): Likewise.
553 (output_hexadecimal): Likewise.
554 (output_long_hexadecimal): Likewise.
555 (output_format): Adjust arguments extraction. Tweak.
556 (output_verbatim, verbatim): End variable argument list.
557 (report_diagnostic): Improve documentation.
559 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
561 * c-common.h (build_stmt): Declare.
562 (build_continue_stmt): Likewise.
563 (build_break_stmt): Likewise.
564 (build_return_stmt): Likewise.
566 * c-decl.c (do_case): Rewrite to do what previously done in
569 * c-semantics.c (build_stmt): Define.
570 (build_return_stmt): Likewise.
571 (build_break_stmt): Likewise.
572 (build_continue_stmt): Likewise.
573 (build_case_label): Likewise.
575 * c-parse.in (BREAK): Change to build tree, then generate RTL.
576 (CONTINUE): Likewise.
581 * c-parse.y: Regenerate.
582 * c-pasre.c: Likewise.
584 2000-07-09 Jason Merrill <jason@redhat.com>
586 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
588 * tree.h (STRIP_NOPS): Check for error_mark_node.
589 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
590 (dwarf2out_*): Remove duplicate declarations.
592 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
593 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
595 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
597 * diagnostic.c (wrap_text): New function.
598 (maybe_wrap_text): Likewise.
599 (output_add_string): Use it.
600 (output_format): Likewise.
601 (count_error): Use verbatim instead of notice.
602 (report_error_function): Likewise. Don't use plain fprintf.
603 (finish_diagnostic): New function.
604 (output_do_verbatim): Tweak. Commonalize functionalities in
605 output_verbatim and verbatim.
606 (output_verbatim): Adjust.
607 (verbatim): Likewise.
608 (report_diagnostic): Define.
610 * diagnostic.h (report_diagnostic): Prototype.
612 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
614 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
616 2000-07-09 Neil Booth <NeilB@earthling.net>
618 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
619 IShspace, ISspace: Update.
621 * cppinit.c: ISTABLE: Update.
624 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
625 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
626 (skip_block_comment, skip_line_comment, parse_string,
627 lex_line): Use is_vspace rather than IS_NEWLINE.
628 (skip_whitespace, lex_line): Clean up to use is_nvspace.
629 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
631 (lex_next): Unconditionally stop if within a directive.
632 Treat directives within macro invocations as directives
633 (after parse_args emits error), not as the argument.
635 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
637 * diagnostic.c (diagnostic_args): New macro.
638 (diagnostic_msg): Likewise.
639 (output_formatted_integer): Likewise.
640 (output_state): New data type.
641 (digit_buffer): Make global.
642 (output_add_integer): Rename to output_decimal. Squeeze
644 (output_long_decimal, output_unsigned_decimal,
645 output_long_unsigned_decimal, output_octal, output_long_octal,
646 output_hexadecimal, output_long_hexadecimal): New functions.
647 (output_append_r): New function.
648 (output_append): Tweak.
649 (output_flush_on): Rename to output_to_stream.
650 (output_format): Change prototype. Improve documentation. Handle
651 more format specifiers.
652 (build_location_prefix): Rename to context_as_prefix.
653 (output_notice): Rename to output_do_printf.
654 (output_printf): Tweak.
655 (line_wrapper_printf): Likewise.
656 (vline_wrapper_message_with_location): Adjust call to renamed
658 (v_message_with_decl): Likewise.
659 (default_print_error_function): Likewise.
660 (save_output_state): New function.
661 (restore_output_state): Likewise.
662 (output_do_verbatim): Likewise.
663 (output_verbatim): Define.
664 (verbatim): Likewise.
666 * diagnostic.h (printer_fn): Change return type from void to int.
667 Improve documentation.
668 (output_add_integer): Rename to output_decimal.
669 (output_flush_on, output_format): Don't export.
670 (output_verbatim, verbatim): Declare.
672 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
674 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
675 Check whether c divides op1 exactly if operation is not
678 2000-07-08 Richard Henderson <rth@cygnus.com>
680 * final.c (final): Do not abort when reg-stack introduces
683 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
685 * cpplib.h (struct cpp_name): Now struct cpp_string.
686 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
687 CPP_HEADER_NAME): Change to type S.
688 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
689 field, a cpp_hashnode *. All references to val.name updated
690 to use val.str or val.node as appropriate.
691 (struct cpp_reader): Add spec_nodes field.
692 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
694 * cpphash.h (struct spec_nodes): New.
695 (enum spell_type): Reorder. Only SPELL_STRING tokens use
696 val.str. All references to 'spelling > SPELL_NONE' updated to
699 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
700 pfile->buffer->inc are not NULL before dereferencing them.
702 * cpplex.c (parse_name): Take a pointer to the current token,
703 plus current position and limit as args; return the new
704 position; don't copy the text of a name into the string
705 buffer, instead call cpp_lookup and store the node pointer.
706 If extending a token, copy out the text of the old into a
707 scratch buffer, append the new, look that up and store the new
708 node pointer. Inline.
709 (maybe_paste_with_next): If the result of paste is a NAME,
710 then look up the pasted text and store its node pointer.
711 (lex_line): Adjust for new parse_name interface.
712 Check for L"str", L'str' using spec_nodes->n_L.
713 (spell_token): SPELL_IDENT tokens have their spelling in
714 val.node->name. Handle SPELL_STRING tokens that don't have
716 (_cpp_expand_name_space,
717 (can_paste): Check for L ## "str" using spec_nodes->n_L.
718 (cpp_get_token, special_symbol): No need to call cpp_lookup.
719 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
720 return 1=equal 0=not, not a tristate.
722 * cpphash.c (var_args_str): Delete.
723 (find_param): Compare node fields directly.
724 (is__va_args__): Use CPP_PEDANTIC. Just compare
725 token->val.node with spec_nodes->n__VA_ARGS__.
726 (dump_funlike_macro): Don't use var_args_str.
728 * cpplib.c (_cpp_check_directive): Just walk through
729 spec_nodes->dirs comparing pointers.
730 (get_define_node, do_pragma_poison, detect_if_not_defined,
731 parse_ifdef): The identifier has already been looked up.
732 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
734 (do_if): Only call detect_if_not_defined at beginning of file.
735 (_cpp_parse_assertion): Only copy string pointers for
737 (pragma_dispatch): Take a node pointer and examine its name
739 (_cpp_init_stacks): Also initialize the spec_nodes structure.
741 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
743 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
744 reverse order from the corresponding _cpp_init_* routines.
746 * cppexp.c (parse_number, parse_charconst, parse_defined,
747 lex): Check val.node->type instead of calling cpp_defined.
748 Use spec_nodes entries where appropriate.
750 * fix-header.c, scan-decls.c: Update for interface changes.
752 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
754 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
755 emitting aux_truncdfsf2.
757 2000-07-03 Donn Terry (donnte@microsoft.com)
759 * cppinit.c (print_help): split overlong line into ISO C89
762 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
764 * cppexp.c: Update all code for new lexer interface.
765 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
766 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
767 * cpplex.c (token_names): Trim leading CPP_ from names; make
768 the strings unsigned.
769 (_cpp_spell_operator): New.
770 (is_macro_disabled): Disable all macros if rescanning
772 (_cpp_get_directive_token): Remove.
774 * cppinit.c: Don't set no_macro_expand.
775 * cpplib.c (read_line_number, do_line): Check only for EOF,
777 * cpphash.h: Update prototypes.
778 * cpplib.h (CPP_VSPACE): Remove.
779 (struct cpp_reader): Remove no_macro_expand.
781 2000-07-08 Neil Booth <NeilB@earthling.net>
783 * cpphash.c (is__va_args__): New function.
784 (count_params): Fix line reported in error messages. Use
785 is__va_args__. Don't return ')' on error. Flag GNU style
786 rest args macro definitions.
787 (parse_define): Check macro name is not __VA_ARGS__.
788 (save_expansion): Check identifier in non-varargs-macro is
789 not __VA_ARGS__. Don't flag GNU_VARARGS.
790 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
791 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
792 than per-token GNU_VARARGS.
793 * cpplib.h (GNU_VARARGS): Remove.
794 (GNU_REST_ARGS): New.
796 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
798 * i386.md (call_pop, call, call_value_pop): Do not set
799 current_function_uses_pic_offset_table for calls to static
800 functions or indirect calls.
802 2000-07-07 Jim Wilson <wilson@cygnus.com>
804 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
805 is_predicate_reg, then take max write_count of register pair.
807 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
809 * tradcpp.c (main): Rename label `include' to `add_include' to
810 avoid conflicts with variable `include' in traditional C.
812 2000-07-07 Jakub Jelinek <jakub@redhat.com>
814 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
816 2000-07-07 Jakub Jelinek <jakub@redhat.com>
818 * sibcall.c (uses_addressof): Add INMEM argument, check for
819 current_function_internal_arg_pointer outside of MEM rtxs in addition
821 (sequence_uses_addressof): Update caller.
823 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
825 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
828 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
830 * system.h (UNION_INIT_ZERO): New macro for initializing union
833 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
835 2000-07-07 Neil Booth <NeilB@earthling.net>
839 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
841 * final.c (final): Detect out of bounds array access to
842 the insn_lengths array.
844 2000-07-07 Kazu Hirata <kazu@hxi.com>
846 * fold-const.c (fold): Fix a comment typo.
848 2000-07-07 Neil Booth <NeilB@earthling.net>
850 * cpp.texi: Update to new lexer.
852 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
854 * tradcpp.c: New file.
855 * tradcif.y: New file.
856 * tradcif.c: New generated file.
858 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
859 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
860 dependencies of C. Install tradcpp from install-common, in
863 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
865 * cppinit.c: Include cppdefault.h. Refer to
866 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
867 to GCC_INCLUDE_DIR and its length.
868 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
869 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
870 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
872 (include_defaults_array): Move to cppdefault.c.
874 * cppdefault.h: New file.
875 * cppdefault.c: New file.
877 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
878 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
879 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
882 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
884 * reload.c (push_reload): When seeing if can reuse a register,
885 check extra registers against widest of INMODE and OUTMODE.
887 2000-07-06 Neil Booth <NeilB@earthling.net>
889 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
890 based on full length of predicate.
892 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
894 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
895 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
897 2000-07-05 Kazu Hirata <kazu@hxi.com>
899 * h8300-proto.h: Fix formatting.
903 2000-07-05 Jim Wilson <wilson@cygnus.com>
905 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
908 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
910 * invoke.texi: Fix minor typos
911 * md.texi: Fix minor typos
913 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
915 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
917 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
919 * cpplex.c: Don't include sys/mman.h.
920 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
922 * cpplib.c: Include sys/mman.h and obstack.h.
923 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
925 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
926 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
927 bother freeing if stack entries (they will be freed with their buffer).
928 (do_endif): Free if stack entries from the buffer obstack.
929 (push_conditional): Allocate if stack entries from the buffer obstack.
931 (find_answer): Rename to _cpp_find_answer.
932 (do_assert, do_unassert): Update.
934 * cpphash.h: Update prototypes.
935 (xobnew): New convenience macro.
936 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
938 (struct cpp_hashnode): Remove disabled field.
940 * cppinit.c: Don't include hashtab.h or splay-tree.h.
941 (report_missing_guard): Moved to cppfiles.c.
942 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
944 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
945 cpp_cleanup_includes. Don't destroy hashtab or
946 all_include_files here.
947 (cpp_finish): Use _cpp_report_missing_guards.
949 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
950 (_cpp_init_include_table): Rename _cpp_init_includes.
951 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
953 * cppexp.c (parse_assertion): Update for new name of
956 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
958 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
960 * cpplib.c (do_ident): s/VSPACE/EOF/
962 2000-07-05 Neil Booth <NeilB@earthling.net>
964 * cpplex.c: Fix trigraph replacement within strings.
966 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
968 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
970 * xcoffout.c (assign_type_number): Constify.
971 (xcoffout_source_file): Add static prototype. Don't needlessly
972 cast away const-ness.
974 2000-07-04 Jason Merrill <jason@redhat.com>
976 * frame.h (frame_state): Move base_offset to end.
978 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
980 * calls.c (emit_library_call_value_1): Revert previous change.
982 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
984 * fix-header.c (struct partial_proto): Remove unnecessary fields.
985 (recognized_extern, recognized_function, read_scan_file):
986 Update for new scheme.
987 (check_protection): It's still a multiple include guard even
988 if it doesn't always trigger.
989 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
991 * scan.h: Declare struct cpp_token. Update prototypes.
993 2000-07-03 Neil Booth <neilb@earthling.net>
994 Zack Weinberg <zack@wolery.cumb.org>
996 Complete overhaul of the lexer and macro expander.
998 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
999 arg, arglist, argdata, reflist, collect_objlike_expansion,
1000 collect_funlike_expansion, collect_params,
1001 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1002 unsafe_chars, macarg, compare_defs, special_symbol,
1003 scan_arguments, stringify, funlike_macroexpand,
1004 _cpp_quote_string, monthnames): Delete.
1005 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1006 _cpp_create_definition, _cpp_dump_definition,
1007 dump_hash_helper): Adjust.
1008 (find_param, count_params, parse_define, var_args_str,
1009 check_macro_redefinition, save_expansion): New.
1011 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1012 parse_string, output_line_command, trigraph_replace,
1013 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1014 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1015 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1016 _cpp_skip_rest_of_line): Modify.
1018 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1019 find_position, null_warning, bump_column, expand_name_space,
1020 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1021 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1022 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1023 _cpp_prescan): Delete.
1025 (dump_param_spelling, process_directive, lex_next,
1026 is_macro_disabled, stringify_arg, expand_context_stack,
1027 output_token, make_string_token, alloc_number_token,
1028 special_symbol, duplicate_token, maybe_paste_with_next,
1029 can_paste, prevent_macro_expansion, restore_macro_expansion,
1030 get_temp_token, release_temp_tokens, quote_string,
1031 token_names, token_spellings, _cpp_expand_name_space,
1032 _cpp_glue_header_name, _cpp_reserve_name_space,
1033 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1034 placemarker_token, eof_token, cpp_context, macro_args,
1035 get_raw_token, parse_arg, parse_args, save_token,
1036 push_arg_context, push_macro_context, pop_context,
1037 do_pop_context, free_macro_args, _cpp_get_line,
1038 _cpp_run_directive): New.
1040 * cpplib.c (validate_else, parse_include, push_conditional,
1041 pass_thru_directive, read_line_number, parse_ifdef,
1042 detect_if_not_defined, _cpp_check_directive, do_define,
1043 do_undef, do_include, do_import, do_include_next, do_error,
1044 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1045 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1046 do_pragma_poison, do_pragma_system_header,
1047 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1048 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1049 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1050 cpp_defined): Update for new scheme.
1051 (strtoul_for_line, get_define_node, dump_macro_name,
1052 _cpp_check_linemarker, _cpp_parse_assertion): New.
1053 (_cpp_handle_directive, do_pragma_default): Delete.
1055 * cpphash.h (struct predicate): Now struct answer.
1056 (enum spell_type, struct token_spelling, struct directive,
1057 directive_handler): New.
1058 Update prototypes. Remove unused macros.
1059 * cpplib.h: Update prototypes. Remove unused macros,
1060 structure definitions, and fields.
1062 * cpperror.c (print_containing_files, v_message): Adjust.
1063 * cppexp.c (parse_assertion, lex, parse_escape,
1064 _cpp_parse_expr): Adjust.
1065 * cppfiles.c (open_include_file, _cpp_execute_include,
1066 _cpp_compare_file_date, cpp_read_file, read_include_file):
1068 * cppinit.c (dump_special_to_buffer): Delete.
1069 (append_include_chain, merge_include_chains, cpp_reader_init,
1070 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1071 cpp_finish, handle_option, print_help): Adjust.
1072 * cppmain.c (main): Adjust.
1074 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1076 * cppspec.c (lang_specific_driver): Use double quotes in error
1079 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1081 * calls.c (emit_library_call_value_1): Use valreg instead
1082 of hard_libcall_value.
1084 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1086 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1087 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1088 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1096 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1097 mode instead of wider_mode is being used.
1099 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1101 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1102 of 'r'. Use q_regs_operand.
1103 (andsi_1+2): Use q_regs_operand.
1105 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1107 * builtins.c (get_memory_rtx): Always put into alias set 0.
1109 2000-07-03 Nick Clifton <nickc@cygnus.com>
1111 * config/arm/arm.md: Fix post increment and pre increment
1112 peepholes so that they do not generate UNPREDICATBLE opcodes.
1113 (ie ones where the increment clobbers the source/destination).
1115 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1117 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1118 change too big for -mtiny-stack" a warning, if larger than 63.
1119 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1120 always safe to use on possible future devices.
1121 (function_prologue): Write SPH before SPL, for consistency.
1122 If interrupt_func_p true, we know we have enabled interrupts.
1123 (avr_num_arg_regs): New function. Round up to even number of
1124 bytes if no -mpack-args or if calling a libgcc function.
1125 (function_arg, function_arg_advance): Use it.
1126 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1127 Output "movw" if available.
1128 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1129 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1130 (asm_output_section_name): Add blanks for consistent output.
1131 (encode_section_info): Set TREE_READONLY for progmem data to
1132 avoid gas warnings about changed section attributes.
1133 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1134 even numbered registers on devices with "movw".
1135 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1136 (TARGET_SWITCHES): Mark help strings for translation.
1137 Add new -mpack-args and -menhanced switches.
1138 (TARGET_OPTIONS): Mark help strings for translation.
1139 (progmem_section): Add section attributes.
1140 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1141 Output "movw" if available.
1142 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1144 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1145 call convention (arguments aligned on even registers).
1146 (_cleanup, _exit): Make weak symbols libc can override.
1148 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1150 * fp-bit.h: New file.
1152 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1153 Comment #endif statements.
1154 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1156 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1158 * gcse.c (compute_pre_data): Compute ae_kill using other local
1159 properties instead of calling compute_ae_kill.
1161 * alias.c (init_alias_analysis): Do not call
1162 prologue_epilogue_contains until after reload has completed.
1164 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1166 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1167 (genrtl_finish_compound_stmt): Likewise.
1168 (genrtl_compound_stmt): Change to return void.
1170 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1171 move code from here to ...
1172 (genrtl_compound_stmt): ... here.
1173 (genrtl_finish_compound_stmt): Remove.
1174 (expand_stmt): Add comment.
1176 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1178 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1181 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1183 * cpplib.h (struct cpp_reader): New field include_depth.
1184 (struct cpp_printer): Rename last_bsd to last_id.
1185 * cppfiles.c (read_include_file): Bump include_depth.
1186 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1187 (output_line_command): Output correct #line if a header
1188 is including itself and is not protected against multiple inclusion.
1189 Use include_depth instead of buffer_stack_depth, last_id instead of
1191 * cppinit.c (cpp_start_read): Initialize last_id instead of
1194 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1196 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1197 (c-semantics.o): New target.
1199 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1200 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1201 (genrtl_clear_out_block): Likewise.
1202 (genrtl_goto_stmt): Likewise.
1203 (genrtl_expr_stmt): Likewise.
1204 (genrtl_decl_stmt): Likewise.
1205 (genrtl_if_stmt): Likewise.
1206 (genrtl_while_stmt): Likewise.
1207 (genrtl_do_stmt): Likewise.
1208 (genrtl_return_stmt): Likewise.
1209 (genrtl_for_stmt): Likewise.
1210 (genrtl_break_stmt): Likewise.
1211 (genrtl_continue_stmt): Likewise.
1212 (genrtl_scope_stmt): Likewise.
1213 (genrtl_switch_stmt): Likewise.
1214 (genrtl_case_label): Likewise.
1215 (genrtl_begin_compound_stmt): Likewise.
1216 (gerntl_finish_compound_stmt): Likewise.
1217 (genrtl_compound_stmt): Likewise.
1218 (genrtl_asm_stmt): Likewise.
1219 (genrtl_decl_cleanup): Likewise.
1220 (DECL_ANON_UNION_ELEMS): Likewise.
1221 (emit_local_var): Likewise.
1222 (make_rtl_for_local_static): Likewise.
1223 (expand_cond): Likewise.
1224 (expand_stmt): Likewise.
1225 (c_expand_return): Likewise.
1226 (c_expand_start_case): Likewise.
1227 (do_case): Likewise.
1228 (COMPOUND_STMT_NO_SCOPE): Likewise.
1229 (c_expand_asm_operands): Likewise.
1230 (NEW_FOR_SCOPE_P): New macro.
1231 (expand_expr_stmt_fn): New type.
1233 (set_current_function_name_declared): Likewise.
1234 (current_function_name_declared): Likewise.
1235 (lang_expand_stmt): Likewise.
1236 (stmts_are_full_exprs_p): Likewise.
1237 (anon_aggr_type_p): Likewise.
1238 (lang_expand_expr_stmt): Likewise.
1239 (build_case_label): Likewise.
1241 * c-decl.c (lang_expand_expr_stmt): Initialize.
1242 (stmts_are_full_exprs_p): Define.
1243 (current_function_name_declared): Likewise.
1244 (do_case): Likewise.
1245 (lang_expand_stmt): Likewise.
1246 (set_current_function_name_declared): Likewise.
1247 (anon_aggr_type_p): Likewise.
1249 * c-semantics.c: New file.
1250 (expand_cond): Moved from cp/semantics.c.
1251 (genrtl_do_pushlevel): Likewise.
1252 (genrtl_clear_out_block): Likewise.
1253 (genrtl_goto_stmt): Likewise.
1254 (genrtl_expr_stmt): Likewise.
1255 (genrtl_decl_stmt): Likewise.
1256 (genrtl_if_stmt): Likewise.
1257 (genrtl_while_stmt): Likewise.
1258 (genrtl_do_stmt): Likewise.
1259 (genrtl_return_stmt): Likewise.
1260 (genrtl_for_stmt): Likewise.
1261 (genrtl_break_stmt): Likewise.
1262 (genrtl_continue_stmt): Likewise.
1263 (genrtl_scope_stmt): Likewise.
1264 (genrtl_switch_stmt): Likewise.
1265 (genrtl_case_label): Likewise.
1266 (genrtl_begin_compound_stmt): Likewise.
1267 (genrtl_finish_compound_stmt): Likewise.
1268 (genrtl_compound_stmt): Likewise.
1269 (genrtl_asm_stmt): Likewise.
1270 (genrtl_decl_cleanup): Likewise.
1271 (make_rtl_for_local_static): Moved from cp/decl.c.
1272 (emit_local_var): Likewise.
1273 (expand_stmt): Define.
1275 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1276 (c_expand_return): Likewise.
1277 (c_expand_start_case): Likewise.
1279 2000-07-01 Richard Henderson <rth@cygnus.com>
1281 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1282 with the low 13 bits set.
1283 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1284 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1285 of the low 13 bits into a CONST plus an adddi3.
1286 (load_symptr): Set RTX_UNCHANGING_P.
1288 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1290 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1291 * c-common.c (ridpointers): Declare.
1292 * c-common.h (enum rid): Declare.
1294 (ridpointers): Likewise.
1295 * c-lex.c (ridpointers): Don't declare.
1296 (init_lex): Initialize ridpointers.
1297 * c-lex.h (enum rid): Don't declare.
1299 (RID_FIRST_MODIFIER): Likewise.
1300 (ridpointers): Likewise.
1302 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1304 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1307 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1309 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1312 2000-06-30 Catherine Moore <clm@cygnus.com>
1314 * c-common.c (decl_attributes): Differentiate between
1315 types and type decls for alignment.
1317 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1319 * cpp.texi: Document #pragma GCC dependency
1320 * cppfiles.c (open_include_file): Set date to unknown.
1321 (_cpp_compare_file_date): New function.
1322 (read_include_file): Set file date.
1323 * cpphash.h (struct include_file): Add date member.
1324 (_cpp_compare_file_date): Prototype.
1325 * cpplib.c (parse_include): Add trail parameter. Adjust.
1326 (do_include): Adjust parse_include call.
1327 (do_import): Likewise.
1328 (do_include_next): Likewise.
1329 (gcc_pragmas): Add dependency pragma.
1330 (do_pragma_dependancy): New pragma.
1332 2000-06-29 Jason Merrill <jason@redhat.com>
1334 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1337 2000-06-29 Jim Wilson <wilson@cygnus.com>
1339 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1340 a volatile mem and FR_REGS.
1342 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1344 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1345 * c-common.h (flag_const_strings): Declare.
1346 (warn_format): Likewise.
1347 (flag_traditional): Likewise.
1348 (flag_isoc99): Likewise.
1349 (warn_parentheses): Likewise.
1350 (warn_conversion): Likewise.
1351 (C_TYPE_OBJECT_P): Likewise.
1352 (C_TYPE_INCOMPLETE_P): Likewise.
1353 (C_TYPE_FUNCTION_P): Likewise.
1354 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1355 (C_EXP_ORIGINAL_CODE): Likewise.
1356 (build_unary_op): Likewise.
1357 (build_binary_op): Likewise.
1358 (lvalue_p): Likewise.
1359 (default_conversion): Likewise.
1360 (common_type): Likewise.
1361 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1362 (C_TYPE_INCOMPLETE_P): Likewise.
1363 (C_TYPE_FUNCTION_P): Likewise.
1364 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1365 (C_EXP_ORIGINAL_CODE): Likewise.
1366 (common_type): Likewise.
1367 (default_conversion): Likewise.
1368 (build_binary_op): Likewise.
1369 (build_unary_op): Likewise.
1370 (lvalue_p): Likewise.
1371 (flag_const_strings): Likewise.
1372 (warn_format): Likewise.
1373 (warn_conversion): Likewise.
1374 (flag_traditional): Likewise.
1375 (flag_isoc99): Likewise.
1376 (warn_parentheses): Likewise.
1378 2000-06-29 James E. Wilson <wilson@cygnus.com>
1380 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1382 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1383 same. Only tie XFmode with XFmode.
1385 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1387 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1388 * Makefile.in: Update deps.
1390 2000-06-29 Andrew Haley <aph@cygnus.com>
1392 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1395 2000-06-29 Andrew Haley <aph@cygnus.com>
1397 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1398 bytes: remove the multiply by 8.
1400 2000-06-29 Philipp Thomas <pthomas@suse.de>
1402 * rtl.c : Revert NLS changes.
1403 * gcc.c : Fix bug in display_help introced by my last changes.
1405 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1407 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1408 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1410 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1412 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1414 2000-06-28 Philipp Thomas <pthomas@suse.de>
1416 * c-decl.c : Mark strings for translation.
1417 (parmlist_tags_warning): Use distinct messages instead
1418 of conditional expressions.
1419 * diagnostic.c (v_message_with_decl): Mark string for translation.
1420 * gcc.c: Mark messages for translation.
1421 (display_help): Combine messages into one string where necessary.
1422 * mips-tfile: Add intl.h. Mark messages for translation.
1423 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1424 messages for translation.
1425 * timevar.c: Mark messages for translation.
1426 * tlink.c: Likewise.
1427 * toplev.c: Likewise.
1429 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1431 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1433 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1434 use -isystem instead of -idirafter.
1435 * i386/i386-interix.h: Likewise.
1437 2000-06-28 Jason Merrill <jason@redhat.com>
1439 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1440 unless DWARF2_DEBUGGING_INFO is defined.
1441 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1443 2000-06-28 Richard Henderson <rth@cygnus.com>
1445 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1447 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1449 * cpplex.c (output_line_command): Output correct #line if a header
1450 is including itself and is not protected against multiple inclusion.
1452 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1454 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1455 ENFILE, close all cached file descriptors and try again.
1456 (_cpp_execute_include): Keep a count of the number of times
1457 each header is included.
1458 (close_cached_fd): New function.
1459 * cpphash.h (struct include_file): Rename before to
1460 include_count; all users updated. Make include_count and sysp
1462 * cppinit.c (cpp_finish): If -H, report headers that could use
1464 (report_missing_guard): New function.
1466 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1468 * i386.md (prologue_set_got): Set length_immediate field.
1469 (testqi_ccno_1): Add missing '@' character.
1471 2000-06-27 Jason Merrill <jason@redhat.com>
1473 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1476 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1478 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1479 unsigned macros available.
1481 2000-06-27 Richard Henderson <rth@cygnus.com>
1483 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1484 epilogue_deallocate_stack.
1486 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1487 completers for UNORDERED and ORDERED as well.
1488 * config/ia64/ia64.md (bunordered, bordered): New.
1489 (sunordered, sordered): New.
1491 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1493 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1494 * i386.c (ix86_attr_length_default): Kill.
1495 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1497 * i386-protos.h (ix86_attr_length_default): Kill
1498 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1500 * i386.md (attribute type): Add "test".
1501 (attribute length_prefix): Kill.
1502 (attribute length_opcode): Kill.
1503 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1504 prefix_rep, prefix_0f, modrm): New.
1505 (attribute length): Compute using the new attributes.
1506 (attribute pent_prefix): New.
1507 (attribute pent_pair): Compute using pent_prefix.
1508 (all insn patterns): Set mode,modrm and immediate_length attributes where
1510 (cmpsi patterns): Compute sizes propertly for test instruction.
1511 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1512 (movstricthi_xor, movstrictqi_xor): New patterns.
1513 (andsi/andhi): Use splitters to generate xor instructions.
1514 (xorqi_ext_1): New pattern.
1515 (movstricthi->movstricthi_xor peep2): New.
1517 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1519 * i386.md (addqi_low_1): Remove.
1521 2000-06-27 Philipp Thomas <pthomas@suse.de>
1523 * 1750a.h: Mark help strings for options/switches for translation.
1525 * alpha.h: Likewise.
1528 * riscix.h: Likewise.
1530 * clipper.h: Likewise.
1531 * convex.h: Likewise.
1532 * elxsi.h: Likewise.
1535 * h8300.h: Likewise.
1537 * cygwin.h: Likewise.
1539 * djgpp.h: Likewise.
1541 * osf1elf.h: Likewise.
1542 * osfrose.h: Likewise.
1544 * win32.h: Likewise.
1546 * paragon.h: Likewise.
1550 * mcore.h: Likewise.
1552 * mn10300.h: Likewise.
1553 * ns32k.h: Likewise.
1554 * pdp11.h: Likewise.
1557 * aix41.h: Likewise.
1558 * aix43.h: Likewise.
1560 * rs6000.h: Likewise.
1561 * sysv4.h: Likewise.
1562 * linux.h: Likewise.
1563 * linux64.h: Likewise.
1564 * sp64-elf.h: Likewise.
1565 * sparc.h: Likewise.
1566 * splet.h: Likewise.
1568 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1570 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1571 Properly document option and mark for translation.
1572 * sp86x-elf.h: Likewise.
1574 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1576 Add MMX and SSE registers to i386 machine description.
1577 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1578 ix86_local_alignment): Declare.
1580 * i386.h (TARGET_MMX, TARGET_SSE): New.
1581 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1582 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1583 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1584 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1585 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1586 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1587 (RETURN_IN_MEMORY): Handle MMX/SSE.
1588 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1589 also get stack space.
1590 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1591 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1592 (MMX_REGISTER_NAMES): New.
1593 (ALIGN_MODE_128): New macro.
1594 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1595 (DATA_ALIGNMENT): Likewise.
1596 (LOCAL_ALIGNMENT): Likewise.
1597 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1598 TARGET_MMX/TARGET_SSE.
1599 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1600 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1601 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1602 SSE/MMX regs and something else.
1603 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1604 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1605 3 if moving between MMX regs and something else.
1607 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1608 (regclass_map): Add MMX/SSE registers.
1609 (print_operand): Add code to print XMMWORD as appropriate.
1610 (ix86_split_movdi): Abort for MMX regs.
1611 (init_cumulative_args): Also allow SSE_REGS
1612 (function_arg_advance, function_arg): Likewise
1613 (print_reg): Support 'm'. Add case for TImode.
1614 (override_options): TARGET_SSE implies TARGET_MMX.
1615 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1618 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1620 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1622 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1623 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1625 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1627 * ssa.c (struct rename_set_data): Change the name of field
1628 'set_dest' to 'old_reg'. Add comments.
1629 (struct rename_context): Change the name of 'set_data' to
1630 'new_renames'. Add new field 'done_renames'.
1631 (create_delayed_rename): New function.
1632 (apply_delayed_renames): New function.
1633 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1634 SUBREGs and similar by emitting a move.
1635 (new_registers_for_updates): Delete, functionality moved to
1636 apply_delayed_renames.
1637 (rename_block): Handle moves emitted by rename_insn_1 by putting
1638 them into a SEQUENCE with the original insn. Add sanity checks
1640 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1641 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1643 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1644 Jason Merrill <jason@redhat.com>
1646 * dwarf2.h (enum dwarf_call_frame_info): Add
1647 DW_CFA_def_cfa_expression.
1648 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1649 dw_loc_descr_struct entry.
1650 (struct cfa_loc): New structure to track a CFA location.
1651 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1652 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1653 offset, plus handle DW_CFA_def_cfa_expression.
1654 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1656 (dwarf2out_def_cfa): Entry point maintained for compatability.
1657 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1658 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1659 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1660 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1662 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1663 sequences for the new DW_CFA_def_cfa_expression record.
1664 (dwarf2out_frame_debug): Use new variables/fields.A
1665 (output_cfi): Handle DW_CFA_def_cfa_expression.
1666 (output_cfa_loc): New function to generate a CFI record for
1667 DW_CFA_def_cfa_expression.
1668 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1669 a dw_loc_descr sequeunce.
1670 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1671 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1672 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1673 unwind info section.
1674 * frame.h (frame_state): Add base_offset and indirect fields.
1675 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1676 dw_loc_descr operation.
1677 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1678 (struct frame_state): Add base offset and indirect fields.
1679 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1681 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1683 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1684 Make warnings about implicit int be pedwarns in C99. Don't warn
1685 about duplicate type qualifiers in C99.
1686 (start_function): Make warning about implict int return type be a
1688 * c-lex.c (yylex): Don't warn about `long long' in C99.
1689 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1690 `return' with no value in function returning non-void.
1692 2000-06-26 Richard Henderson <rth@cygnus.com>
1694 * c-typeck.c (pedwarn_c99): New.
1695 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1696 * toplev.h: Prototype them.
1698 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1700 * c-typeck.c (digest_init): Return error_mark_node node when
1701 TREE_TYPE (init) == error_mark_node.
1703 2000-06-26 Philipp Thomas <pthomas@suse.de>
1705 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1706 test for msgfmt without path instead.
1707 * configure: Rebuilt.
1709 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1711 * gengenrtl.c (special_rtx): Fix typo in comment.
1713 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1715 * mklibgcc.in (LIB2FUNCS): Add missing space.
1717 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1719 * tree.h (enum tree_index): Add vector type nodes.
1720 Add accessor macros for them.
1721 (TYPE_REPRESENATION_TYPE): New macro.
1722 * tree.c (build_common_tree_nodes_2): Build these nodes.
1723 (finish_vector_type): New function.
1724 * c-common.c (type_for_mode): Handle vector modes.
1725 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1727 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1728 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1729 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1730 (gen_type_die): Likewise.
1731 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1732 (fundamental_type_code): Likewise.
1733 (type_is_fundamental): VECTOR_TYPEs aren't.
1734 (output_type): Handle VECTOR_TYPEs.
1736 2000-06-25 Kazu Hirata <kazu@hxi.com>
1738 * config/arm.c: Fix a comment typo.
1739 * config/arm.h: Likewise.
1741 2000-06-25 Philipp Thomas <pthomas@suse.de>
1743 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1745 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1746 * configure: Rebuilt.
1748 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1750 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1752 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1754 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1757 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1759 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1761 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1763 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1765 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1767 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1768 last_unconditional_cleanup.
1770 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1772 * tree.def (VECTOR_TYPE): New node type.
1773 * tree.h: Adjust some comments to reflect addition of vector types.
1774 (TYPE_VECTOR_SUBPARTS): New macro.
1775 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1776 * c-convert.c (convert): Likewise.
1777 * convert.c (convert_to_integer): Handle vector modes.
1778 (convert_to_vector): New function.
1779 * convert.h (convert_to_vector): Declare.
1780 * expr.c (convert_move): Handle vector modes.
1781 * expmed.c (extract_bit_field): Don't abort for vector modes.
1783 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1785 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1786 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1787 New functions, common code moved from function_{prologue,epilogue}
1788 and extended to support the -mtiny-stack option.
1789 (function_prologue, function_epilogue): Use them.
1790 Use lo8/hi8 consistently for asm output readability.
1791 (avr_hard_regno_mode_ok): New function.
1792 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1793 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1794 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1795 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1796 Write SPH before SPL.
1797 (*movqi): No need to disable interrupts for just one "out"
1798 in alternative 5. Change length attribute from 4 to 1.
1799 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1800 Write SPH before SPL.
1802 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1804 * rtl.texi (Vector Operations): New node.
1805 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1806 (Conversions): Add ss_truncate, us_truncate.
1807 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1808 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1809 US_TRUNCATE): New rtx codes.
1810 * machmode.def: Add vector modes.
1811 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1813 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1814 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1815 (VECTOR_MODE_P): New.
1817 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1819 * cpp.texi: Clarify #pragma GCC namespace.
1821 2000-06-24 Philipp Thomas <pthomas@suse.de>
1823 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1824 all catalogs specified in ALL_LINGUAS.
1825 * configure: Rebuilt.
1827 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1829 * config/sparc/sparc.md (reload_outdi+1): Handle
1830 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1831 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1833 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1835 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1836 struct vs. scalar-ness when -fno-strict-aliasing.
1838 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1840 * cpplib.c (struct pragma_entry): New structure.
1841 (pragma_dispatch): Pragma dispatcher.
1842 (top_pragmas, gcc_pragmas): New static variables.
1843 (do_pragma): Use pragma_dispatch.
1844 (do_pragma_gcc): New pragma handler.
1847 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1849 * calls.c (compute_argument_addresses): Force stack slots into
1851 * expr.c (emit_push_insn): Force pushes into alias set 0.
1853 2000-06-23 Richard Henderson <rth@cygnus.com>
1855 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1856 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1858 2000-06-22 Jason Merrill <jason@redhat.com>
1860 * toplev.c (compile_file): Always call timevar_print.
1861 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1863 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1865 * varasm.c (constant_descriptor): Make contents unsigned char.
1866 (mark_const_hash_entry): Adjust.
1867 (const_hash): Just hash the code of unknown nodes.
1868 (compare_constant_1): Adjust for unsigned char.
1869 Use language specific expander on unknown nodes.
1870 (record_constant_1): Likewise.
1872 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1874 * cppfiles.c (cpp_make_system_header): New function.
1875 * cpplib.h: Prototype it.
1876 * cpplib.c (do_line, do_pragma_system_header): Use it.
1877 * fix-header.c (read_scan_file): Use it.
1879 * fix-header.c (check_macro_names): Cast second arg of
1880 cpp_defined to const unsigned char *.
1881 (read_scan_file): Make getchar_call const unsigned char.
1883 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1885 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1886 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1887 (destroy_include_file_node): New.
1888 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1889 Create a splay tree, not a hash table.
1890 (open_include_file): Look up the path in the include table,
1891 do the multiple include optimization here, etc.
1892 (cpp_included): Walk the path.
1893 (find_include_file): Just walk the path calling
1894 open_include_file, or call it directly for an absolute path.
1895 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1897 (read_include_file): Update for new scheme. Don't close the
1898 file unless reading fails.
1899 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1901 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1902 (struct include_file): New.
1903 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1905 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1908 * cppinit.c: Include splay-tree.h.
1909 (cpp_reader_init, cpp_cleanup): Update.
1911 * cpplib.h (struct cpp_buffer): Change ihash field to
1912 'struct include_file *inc'. Remove system_header_p.
1913 (struct cpp_reader): Change all_include_files to a
1914 struct splay_tree_s *.
1916 * cpplex.c: Update all references to cpp_buffer->ihash and/or
1917 cpp_buffer->system_header_p.
1918 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
1920 * Makefile.in (SPLAY_TREE_H): New macro.
1921 (cppfiles.o, cppinit.o): Update dependencies.
1923 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
1925 * invoke.texi (g++): "g++" is not a script anymore.
1927 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1929 * function.c (round_down): Delete obsolete prototype.
1931 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
1933 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
1935 * configure.in: Use 'test a = b' not 'test a == b'.
1938 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
1940 * Makefile.in: Remove all references to HOST_INTLLIBS.
1942 * cpplex.c (parse_name): Don't warn about $ in identifiers if
1945 2000-06-20 Philipp Thomas <pthomas@suse.de>
1947 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
1950 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1952 * Take REG_INC notes into account.
1954 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
1956 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
1957 (primary: IDENTIFIER): Just call build_external_ref.
1958 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1960 * c-lex.c (lastiddecl): Remove.
1961 (yylex): Replace all instances of lastiddecl with local
1964 * c-typeck.c (build_external_ref): New function. Treat decls
1965 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
1966 Look up the decl from the id here. Call lookup_objc_ivar.
1967 * c-lang.c (lookup_objc_ivar): Stub.
1968 * objc/objc-act.c (lookup_objc_ivar): New function.
1970 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
1971 * c-lex.h: Don't declare lastiddecl.
1973 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
1975 * c-common.h (IF_COND): Added documentation.
1976 (THEN_CLAUSE): Likewise.
1977 (ELSE_CLAUSE): Likewise.
1978 (WHILE_COND): Likewise.
1979 (WHILE_BODY): Likewise.
1980 (DO_COND): Likewise.
1981 (DO_BODY): Likewise.
1982 (RETURN_EXPR): Likewise.
1983 (EXPR_STMT_EXPR): Likewise.
1984 (FOR_INIT_STMT): Likewise.
1985 (FOR_COND): Likewise.
1986 (FOR_EXPR): Likewise.
1987 (FOR_BODY): Likewise.
1988 (SWITCH_COND): Likewise.
1989 (SWITCH_BODY): Likewise.
1990 (CASE_LOW): Likewise.
1991 (CASE_HIGH): Likewise.
1992 (GOTO_DESTINATION): Likewise.
1993 (COMPOUND_BODY): Likewise.
1994 (ASM_CV_QUAL): Likewise.
1995 (ASM_STRING): Likewise.
1996 (ASM_OUTPUTS): Likewise.
1997 (ASM_INPUTS): Likewise.
1998 (ASM_CLOBBERS): Likewise.
1999 (DECL_STMT_DECL): Likewise.
2000 (STMT_EXPR_STMT): Likewise.
2001 (LABEL_STMT_LABEL): Likewise.
2003 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2004 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2005 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2006 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2008 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2010 * configure.in (--enable-checking): Update --help doc to reflect
2011 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2013 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2015 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2017 * function.c (put_var_into_stack): Don't reference DECL_ fields
2018 if input is a SAVE_EXPR.
2019 Use set_mem_attributes in COMPLEX case.
2021 2000-06-18 Richard Henderson <rth@cygnus.com>
2023 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2024 (ia64_file_start): Declare.
2025 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2026 (GR_REGNO_P): Likewise.
2027 * config/ia64/ia64.c: Many prototypes.
2028 (ia64_reg_numbers): Constify.
2029 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2030 (ia64_section_threshold): Make unsigned.
2031 (ia64_print_operand): Constify.
2032 (fix_range): Constify.
2033 (ia64_init_builtins): Don't compare signed vs unsigned.
2034 (ia64_expand_builtin): Likewise.
2036 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2037 (CONSTRAINT_OK_FOR_Q): New.
2038 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2039 (movsf_internal, movdf_internal): Likewise.
2040 (cmovdi_internal): Rewrite so that constraints and predicates match;
2042 (cmovsi_internal): Likewise.
2044 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2045 (ASM_FILE_START): New.
2046 * config/ia64/ia64.c (ia64_file_start): New.
2047 (rtx_needs_barrier): Handle pred.rel.mutex.
2048 (emit_predicate_relation_info): New.
2049 * config/ia64/ia64.md (pred_rel_mutex): New.
2050 * config/ia64/linux.h (ASM_SPEC): Define.
2051 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2053 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2054 filtering global register variables.
2056 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2058 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2060 2000-06-17 Michael Meissner <meissner@redhat.com>
2062 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2063 not present and there is a field after a '-'.
2065 2000-06-17 Bruce Korb <bkorb@gnu.org>
2067 * fixinc/check.tpl: finish the implementation of multiple tests
2069 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2070 (io_quotes_def): add a second test
2071 (various): reorder `files' so that "limits.h" is never first
2072 * fixinc/tests/base/*: update the testing output
2074 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2076 * gcc.texi: Remove reference to stupid.c.
2078 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2080 * c-common.c (c_tree_code_type): New array.
2081 (c_tree_code_length): Likewise.
2082 (c_tree_code_name): Likewise.
2083 (add_c_tree_codes): New function.
2085 * c-common.h (add_c_tree_codes): Declare.
2086 (enum c_tree_code): New enum.
2088 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2090 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2092 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2093 select pattern to also match macro defs with only one argument.
2095 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2097 * i386.md: Create new [right,left] rotate and right shift
2098 patterns to optimize shift by 1 bit for certain ia32 processors.
2099 Update patterns which perform left shifts to optimize shift by
2100 1 bit for certain ia32 processors.
2101 * i386.c (const_int_1_operand): New predicate.
2102 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2103 * i386-protos.h (const_int_1_operand): Prototype.
2105 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2107 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2109 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2111 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2114 2000-06-14 Richard Henderson <rth@cygnus.com>
2116 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2118 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2121 * print-rtl.c (print_rtx): Emit space before mem alias set.
2123 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2125 * rs6000.c (expand_block_move): Fix typo in earlier change.
2126 (print_operand): Remove unused variables neg and op.
2127 (toc_hash_mark_entry): Fix prototype.
2129 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2131 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2132 (THEN_CLAUSE): Likewise.
2133 (ELSE_CLAUSE): Likewise.
2134 (WHILE_COND): Likewise.
2135 (WHILE_BODY): Likewise.
2136 (DO_COND): Likewise.
2137 (DO_BODY): Likewise.
2138 (RETURN_EXPR): Likewise.
2139 (EXPR_STMT_EXPR): Likewise.
2140 (FOR_INIT_STMT): Likewise.
2141 (FOR_COND): Likewise.
2142 (FOR_EXPR): Likewise.
2143 (FOR_BODY): Likewise.
2144 (SWITCH_COND): Likewise.
2145 (SWITCH_BODY): Likewise.
2146 (CASE_LOW): Likewise.
2147 (CASE_HIGH): Likewise.
2148 (GOTO_DESTINATION): Likewise.
2149 (COMPOUND_BODY): Likewise.
2150 (ASM_CV_QUAL): Likewise.
2151 (ASM_STRING): Likewise.
2152 (ASM_OUTPUTS): Likewise.
2153 (ASM_INPUTS): Likewise.
2154 (ASM_CLOBBERS): Likewise.
2155 (DECL_STMT_DECL): Likewise.
2156 (STMT_EXPR_STMT): Likewise.
2157 (LABEL_STMT_LABEL): Likewise.
2158 (SCOPE_BEGIN_P): Likewise.
2159 (SCOPE_END_P): Likewise.
2160 (SCOPE_STMT_BLOCK): Likewise.
2161 (SCOPE_NULLIFIED_P): Likewise.
2162 (SCOPE_NO_CLEANUPS_P): Likewise.
2163 (SCOPE_PARTIAL_P): Likewise.
2164 (ASM_VOLATILE_P): Likewise.
2165 (STMT_LINENO): Likewise.
2166 (STMT_LINENO_FOR_FN_P): Likewise.
2168 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2169 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2170 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2171 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2172 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2174 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2176 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2178 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2179 writable in parts of the GCC code.
2181 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2182 specification match cast.
2184 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2186 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2187 * configure, config.in: Rebuilt.
2188 * sys-protos.h: Similarly.
2190 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2192 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2193 * basic-block.h (EDGE_COMPLEX): ... here.
2195 * loop.c (check_dbra_loop): Specify the register when
2196 generating REG_NONNEG notes and don't generate duplicates.
2198 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2200 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2201 (struct tree_type, struct tree_decl): Add user_align member.
2202 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2203 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2204 and DECL_USER_ALIGN 0, cap alignment to this value.
2205 (place_field): Likewise.
2206 (finalize_type_size): Set TYPE_USER_ALIGN.
2207 (layout_type): Likewise.
2208 (initialize_sizetypes): Likewise.
2209 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2210 DECL_USER_ALIGN to 1.
2211 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2212 (xfer_tag): Set TYPE_USER_ALIGN.
2213 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2214 (finish_enum): Likewise.
2215 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2216 (expand_anon_union_decl): Likewise.
2217 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2218 (build_index_type): Set TYPE_USER_ALIGN.
2219 (build_range_type): Likewise.
2220 (build_common_tree_nodes_2): Likewise.
2221 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2223 2000-06-13 Andreas Jaeger <aj@suse.de>
2225 * configure.in: Use --enable-checking=misc,tree,gc by default if
2226 no --enable-checking option is given and for
2227 --enable-checking=yes.
2228 * configure: Rebuilt.
2230 2000-06-13 Richard Henderson <rth@cygnus.com>
2232 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2233 (__throw): Don't pass the address of a label.
2235 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2236 current_function_is_leaf.
2237 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2238 instead of reg_names[RETURN_ADDRESS_REGNUM].
2239 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2240 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2241 from RETURN_ADDRESS_REGNUM. Update all uses.
2242 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2243 zero instead of null on failure.
2244 (ELIMINABLE_REGS): Add ra->b0 elimination.
2245 (CAN_ELIMINATE): Update accordingly.
2246 (INITIAL_ELIMINATION_OFFSET): Likewise.
2247 (REGISTER_NAMES): Use an illegal assembler name for
2248 RETURN_ADDRESS_POINTER_REGNUM.
2250 2000-06-13 Richard Henderson <rth@cygnus.com>
2252 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2253 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2254 (REG_CLASS_NAMES): Likewise.
2255 (REG_CLASS_CONTENTS): Likewise.
2256 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2257 (HARD_REGNO_MODE_OK): Remove references to them.
2258 (REGNO_REG_CLASS): Likewise.
2259 (REG_CLASS_FROM_LETTER): Likewise.
2260 (CLASS_MAX_NREGS): Likewise.
2261 (REGISTER_MOVE_COST): Likewise.
2262 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2263 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2264 (movqi_internal): Special case moves from zero.
2265 (movhi_internal, movsi_internal): Likewise.
2266 (movdi_internal): Likewise. Fill out "f" constraints.
2267 (movsf_internal): Fill out "r" constraints.
2268 (movdf_internal): Likewise.
2270 2000-06-13 Richard Henderson <rth@cygnus.com>
2272 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2273 alive before reload.
2275 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2276 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2277 (remove_dependence): Always define.
2278 (set_sched_group_p): New.
2279 (sched_analyze_2): Use it.
2280 (sched_analyze_insn): Don't special-case naked uses. Look for
2281 and extend in_post_call_group_p.
2282 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2283 (init_deps): Clear in_post_call_group_p.
2285 2000-06-13 Richard Henderson <rth@cygnus.com>
2287 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2288 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2289 and hard-coded tests.
2290 (simplify_set): Likewise.
2291 (gen_lowpart_for_combine): Likewise.
2292 * emit-rtl.c (gen_lowpart_common): Likewise.
2293 * global.c (find_reg): Likewise.
2294 * local-alloc.c (find_free_reg): Likewise.
2295 * recog.c (register_operand): Likewise.
2296 * regclass.c (init_reg_sets_1): Likewise.
2297 (record_operand_costs, regclass): Likewise.
2298 * reload.c (push_reload): Likewise.
2299 * reload1.c (choose_reload_regs): Likewise.
2300 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2301 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2302 Update all references.
2303 * regs.h (struct reg_info_def): Likewise.
2304 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2305 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2306 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2308 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2309 (CLASS_CANNOT_CHANGE_MODE_P): New.
2310 * config/mips/mips.h: Likewise.
2311 * config/pa/pa32-regs.h: Likewise.
2312 * config/pa/pa64-regs.h: Likewise.
2313 * config/rs6000/rs6000.h: Likewise.
2314 * config/sh/sh.h: Likewise.
2315 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2316 (CLASS_CANNOT_CHANGE_MODE_P): New.
2317 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2318 * config/d30v/d30v.h: Likewise.
2320 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2322 * configure.in: Add AC_TYPE_GETGROUPS test.
2323 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2324 * configure: Rebuilt.
2325 * config.in: Rebuilt.
2327 2000-06-13 Richard Henderson <rth@cygnus.com>
2329 * explow.c (set_mem_attributes): Do nothing for NULL type.
2331 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2333 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2336 2000-06-13 James E. Wilson <wilson@cygnus.com>
2338 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2340 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2342 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2344 2000-06-13 Philipp Thomas <pthomas@suse.de>
2346 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2347 * configure: Rebuilt.
2349 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2351 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2352 We now default to ELF for the i386, and a.out is the special case.
2353 * configure: Rebuilt.
2355 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2357 * final.c (final_scan_insn): Delete notes between cc0 setter and
2358 user when restarting from setter.
2360 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2362 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2363 cast to squelch signed/unsigned warnings.
2365 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2367 * cpplib.c (handle_directive): Print non-NUL-terminated string
2370 2000-06-12 Michael Meissner <meissner@redhat.com>
2372 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2373 path if the machine needs extra support to do conditional
2376 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2378 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2379 to print the alias set.
2380 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2382 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2384 * config/float-vax.h: Add GFLOAT defines.
2386 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2388 * configure.in: Update tm dependencies for MPE.
2389 * configure: Rebuilt.
2391 2000-06-12 H.J. Lu <hjl@gnu.org>
2393 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2395 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2397 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2398 (CPP_SPEC): Change mthreads to pthread.
2399 (LIB_SPEC): Likewise.
2400 (STARTFILE_SPEC): Likewise.
2401 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2402 (CPP_SPEC): Change mthreads to pthread.
2403 (LIB_SPEC): Likewise.
2404 (STARTFILE_SPEC): Likewise.
2405 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2406 * rs6000.c (reg_or_arith_cint_operand): New.
2407 (num_insns_constant_wide): Decorate unsigned constant.
2408 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2409 * rs6000.md (addsi3): Use new predicate.
2410 (subsi3, adddi3, subdi3): Likewise.
2412 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2414 * c-common.c (lang_get_alias_set): Fix typo.
2416 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2418 * flow.c (mark_used_regs): Revert last change.
2419 (life_analysis): Remove PROP_AUTOINC if running after reload.
2420 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2422 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2424 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2427 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2429 * bb-reorder.c (build_scope_forest): Initialize variable
2432 * calls.c (expand_call): Likewise for variables
2433 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2435 * i386.c (function_arg_advance, function_arg): Cast to avoid
2436 signed/unsigned warnings.
2438 * i386.h (MEMORY_MOVE_COST): Likewise.
2440 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2441 `else_start' and `else_end'.
2443 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2445 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2447 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2449 * Makefile.in (libintl.a): Depend on intl.all.
2451 2000-06-09 H.J. Lu (hjl@gnu.org)
2453 * Makefile.in (c-parse.o): Also depend on output.h.
2455 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2457 * mcore-protos.h: discards const warning removal.
2458 * mcore.c: discards const warning removal.
2460 2000-06-09 Kazu Hirata <kazu@hxi.com>
2462 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2463 the beginning of the file.
2465 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2467 * real.h: Add prototype for ldexp.
2469 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2471 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2472 it ggc_alloc, drop second argument, never clear returned memory.
2473 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2474 (ggc_alloc_cleared): New.
2475 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2476 ggc_alloc_obj. Remove ggc_alloc macro.
2477 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2479 * rtl.c (rtvec_alloc): Clear the vector always.
2480 (rtx_alloc): Clear the first word always. Remove dirty
2481 obstack tricks (this routine is no longer a bottleneck).
2482 * tree.c (make_node): Clear the new node always.
2483 (make_tree_vec): Likewise.
2484 (tree_cons): Clear the common structure always.
2485 (build1): Likewise; also, clear TREE_COMPLEXITY.
2486 * gengenrtl.c: Use puts wherever possible. Remove extra
2488 (gendef): Clear the first word of an RTX in the generator
2489 function, irrespective of ggc_p. Initialize '0' slots to
2491 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2492 thin wrapper macro around obstack_alloc.
2494 * stmt.c (expand_fixup): Use ggc_alloc.
2495 * c-typeck.c (add_pending_init): Use ggc_alloc.
2496 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2497 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2498 const0_rtx when it is created.
2499 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2500 we are not in a function.
2502 * tree.c (tree_class_check_failed): Make second arg an int.
2503 * tree.h: Update prototype.
2505 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2507 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2508 of an error_mark_node.
2510 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2512 * config/avr/avr.c (asm_output_section_name): bugfix.
2514 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2516 * timevar.def: Add TV_EXPAND.
2517 * timevar.c (timevar_print): Update timing information.
2518 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2520 * stmt.c (expand_return): Check for error_mark_node.
2522 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2524 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2526 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2527 variable against filename expansion when it contains "char *".
2529 * system.h (SSIZE_MAX): Delete backup definition.
2531 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2532 instead of SSIZE_MAX.
2534 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2536 * configure.in: Check whether gas supports -relax.
2537 * configure, config.in: Rebuilt.
2538 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2539 (EXTRA_SPECS): Add asm_relax.
2540 (ASM_SPEC): Add %(asm_relax).
2541 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2542 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2543 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2544 (ASM_SPEC): Add %(asm_relax).
2545 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2546 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2547 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2548 instead of mov, so that gas can further optimize it.
2550 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2552 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2554 (value_format, case dw_val_class_const): Use sdata format.
2555 (output_die): Call output_sleb128.
2557 2000-06-08 James E. Wilson <wilson@cygnus.com>
2559 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2560 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2561 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2562 (output_die, case dw_val_class_unsigned_const): Correct call to
2563 ASM_OUTPUT_DWARF_DATA8.
2564 (output_die, case dw_val_class_long_long): Use
2565 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2566 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2569 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2570 (output_function_prologue): Fix mispelling.
2571 (output_function_prologue, output_function_epilogue): Reorder to
2572 match ia64.c definition order.
2573 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2574 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2575 Use r3 instead of r2 for large stack restores.
2576 (ia64_output_end_prologue): New function.
2577 (process_set): Emit ".restore sp" for epilogue stack restores.
2578 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2580 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2582 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2585 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2587 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2589 2000-06-08 Denis Perchine <dyp@perchine.com>
2591 * frame.c (start_fde_sort): Don't malloc (0).
2593 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2595 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2597 * print-tree.c (print_node): The transparent_union_flag means
2598 different things for unions and arrays. Do not inspect it
2599 with TYPE_TRANSPARENT_UNION.
2601 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2603 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2606 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2608 * config/avr/avr.c (asm_output_section_name): output section
2610 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2612 2000-06-06 James E. Wilson <wilson@cygnus.com>
2614 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2615 fields into header field.
2616 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2617 macros to access length, flags, and version info from header field.
2618 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2619 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2620 (__do_global_ctors_aux): Fix caller.
2621 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2622 prologue_flag to header. Pass to read_P_record.
2623 (read_P_record): New argument header. Implement P4 format.
2624 Multiply P7_T_SIZE by 16.
2625 (execute_one_ia64_descriptor): New static local region_header. Pass to
2626 get_unwind_record. Copy r to region_header if r is a header record.
2627 (print_all_records): Likewise.
2628 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2629 (__get_personality, __get_except_table): Likewise.
2630 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2632 2000-06-06 Philipp Thomas <pthomas@suse.de>
2634 * configure.in (AC_C_INLINE): Added.
2635 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2636 * configure: Regenerate.
2638 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2640 * c-common.h (c_language_kind): New type.
2641 (c_language): New variab.e
2642 * c-common.c (lang_get_alias_set): Don't put structures in
2643 non-zero alias sets in C++.
2644 * c-decl.c (c_language): Define it.
2645 * c-lex.c (doing_objc_thang): Remove.
2646 * c-tree.h (doing_objc_thang): Make it a macro.
2647 * objc/objc-act.c (lang_decode_option): Set c_language, not
2650 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2652 * diagnostic.c (output_maximum_width): Remove.
2653 (doing_line_wrapping): Tweak.
2654 (diagnostic_buffer): New object.
2655 (global_output_buffer): New object.
2656 (output_destroy_prefix): New function.
2657 (default_initialize_buffer): Likewise.
2658 (reshape_diagnostic_buffer): Likewise.
2659 (initialize_diagnostics): Likewise.
2660 (output_clear): Tweak.
2661 (line_wrapper_printf): Adjust call to init_output_buffer.
2662 (vline_wrapper_message_with_location): Likewise. Use
2663 output_destroy_prefix.
2664 (v_message_with_decl): Likewise.
2666 * diagnostic.h (struct output_buffer): Constify prefix.
2667 (init_output_buffer, output_get_prefix): Constify.
2668 (diagnostic_message_length_per_line): Likewise.
2669 (reshape_diagnostic_buffer): Declare.
2670 (default_initialize_buffer): Declare.
2671 (initialize_diagnostics): Declare.
2672 (diagnostic_buffer): Declare new obbject.
2674 * toplev.c: #include diagnostic.h
2675 (display_help): Document diagnostic formatting options.
2676 (decode_f_option): Handle diagnostic formatting options.
2677 (main): Setup initialization for diagnostic messages outputter.
2679 * toplev.h (set_message_length): Remove.
2681 * Makefile.in (toplev.o): Depends upon diagnostic.h
2683 * invoke.texi : Document diagnostics formatting options.
2685 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2687 * configure.in (Make the links): Typo fix : the file that must be
2688 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2689 * configure: File rebuilt.
2691 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2693 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2694 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2696 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2697 emergency eh_context buffer, if malloc fails.
2698 (__eh_free): Moved from cp/exception.cc. Release to emergency
2699 eh_context buffer, if appropriate.
2701 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2703 * expr.c (store_expr): Fix typo.
2705 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2707 * m68k.c (legitimize_pic_address): Move prototype ...
2709 * m68k-protos.h (legitimize_pic_address): ... here.
2711 * m68k.md (legitimize_pic_address): Delete prototypes.
2712 (untyped_call): Invoke GEN_CALL(), not gen_call().
2714 * nextstep.c: Include system.h and toplev.h.
2715 (get_directive_line): Don't prototype.
2716 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2718 * nextstep.h (handle_pragma): Prototype.
2719 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2720 objc_section_init ...
2721 (EXTRA_SECTION_FUNCTIONS): ... here.
2723 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2725 * sdbout.c (struct sdb_file): NAME now const.
2726 (sdbout_init): input_file_name now const.
2727 (sdbout_start_new_source_file): FILENAME now const.
2728 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2730 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2732 * c-typeck.c (build_conditional_expr): Handle complex data types.
2734 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2736 * explow.c (maybe_set_unchanging): New function, broken out from...
2737 (set_mem_attributes): Here.
2738 * expr.h: Declare it.
2739 * stmt.c (expand_decl): Call it.
2741 2000-06-05 Richard Henderson <rth@cygnus.com>
2743 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2744 while looking for a register to inherit from.
2746 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2748 * Makefile.in (libgcc.ready): Lose.
2749 (libgcc.mk): Just use mv, not move-if-change.
2750 (LIBGCC_DEPS): New macro.
2752 (stmp-multilib): Likewise.
2753 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2754 it rather than the directories themselves.
2755 (LIB2ADD): Depend on the list file rather than 'force'.
2757 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2758 cv-qualified versions of types.
2760 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2762 * config/sparc/sparc.c (short_branch): Correct error in range
2765 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2767 * fixinc/inclhack.def: New include hacks for ultrix.
2768 * (nested_ultrix): Replaced by ultrix_nested_svc.
2769 * (ultrix_atof_param): test_text string added.
2770 * (ultrix_ifdef): Modified select string.
2772 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2774 * objc/objc-act.c (generate_method_descriptors): Register
2775 objc_method_prototype_template as a GC root.
2776 (comp_method_with_proto): Register function_type as a GC root.
2777 (comp_proto_with_proto): Replace function_type1 and
2778 function_type2 with a two-element array; register it as a GC root.
2780 (generate_protocols, build_protocol_initializer,
2781 generate_protocol_list, build_category_initializer,
2782 build_shared_structure_initializer): Do not cache cast_type
2785 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2787 * function.c (assign_parms): Add missing argument to set_mem_attributes
2790 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2792 * tree.h (VOID_TYPE_P): New macro.
2793 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2794 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2795 (get_parm_info): Likewise.
2796 (store_parm_decls): Likewise.
2797 (combine_parm_decls): Likewise.
2798 (finish_function): Likewise.
2799 * c-typeck.c (build_function_call): Likewise.
2800 (build_binary_op): Likewise.
2801 (build_conditional_expr): Likewise.
2802 (internal_build_compound_expr): Likewise.
2803 (convert_for_assignment): Likewise.
2804 * stmt.c (expend_expr_stmt): Likewise.
2805 (warn_if_unused_value): Likewise.
2806 (expand_return): Likewise.
2807 * c-parse.in (primary): Likewise.
2808 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2809 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2811 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2813 * alias.c (get_alias_set): If compnent is addressable, use alias
2815 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2816 (grokdeclarator): Likewise.
2817 * c-typeck.c (common_type): Likewise.
2819 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2821 * Makefile.in (OBJS): Remove dyn_string.o
2822 (dyn-string.o): Delete rule.
2823 * dyn-string.c: Delete file
2824 * dyn-string.h: Likewise.
2826 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2828 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2831 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2833 * alias.c (record_component_aliases): Don't inspect
2834 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2836 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2838 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2839 it with the pattern to do machine dependent work.
2840 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2841 use it to modify the true/false tests used in conditional
2842 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2843 defined, invoke them if the conversion to conditional execution
2844 was successful or not.
2846 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2847 (IFCVT_MODIFY_INSN): Ditto.
2848 (IFCVT_MODIFY_FINAL): Ditto.
2849 (IFCVT_MODIFY_CANCEL): Ditto.
2851 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2853 * toplev.c (main): Fix misspellings of possibility and language.
2855 2000-06-03 Richard Henderson <rth@cygnus.com>
2857 * alias.c (record_alias_subset): Initialize has_zero_child in the
2860 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2862 * arm.md (untyped_call): Use GEN_CALL macro.
2864 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2866 * Makefile.in: Use $(MAKE) not "make"
2868 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2870 * alias.c (struct alias_set_entry): New field has_zero_child.
2871 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2872 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2874 Call record_component_aliases for aggregate types.
2875 (record_alias_subset): Set has_zero_child.
2876 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2877 TYPE_NONALIASES_COMPONENT.
2878 (record_component_aliases, case RECORD_TYPE): Test
2879 DECL_NONADDRESSABLE_P.
2880 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2881 of TREE_ADDRESSABLE.
2882 * calls.c (initialize_argument_information): Only test
2883 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2884 * function.c (assign_parms): Likewise.
2885 * integrate.c (function_cannot_inline_p): Likewise.
2886 * stor-layout.c (finish_record_layout): Don't call
2887 record_component_aliases.
2888 * tree.h (struct tree_int_cst): Use struct tree_common.
2889 (struct tree_real_cst, struct tree_string): Likewise.
2890 (struct tree_complex, struct tree_identifier): Likewise.
2891 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2892 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2893 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2894 (TYPE_NONALIASES_COMPONENT): New macro.
2895 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2896 (DECL_NONADDRESSABLE_P): New macro.
2897 (struct tree_decl): Reorder bits for clarity of how many left;
2900 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2902 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2903 * mklibgcc.in (force): New target.
2904 Make LIB2ADD stuff depend on it.
2906 2000-06-02 Richard Henderson <rth@cygnus.com>
2908 * alias.c (lang_get_alias_set): Remove.
2909 (get_alias_set): Call it directly, not indirectly.
2910 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2911 * c-common.h (c_get_alias_set): Don't declare.
2912 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
2913 * expr.h (lang_get_alias_set): Declare as function, not pointer.
2915 2000-06-02 Bruce Korb <bkorb@gnu.org>
2917 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
2918 (server_setup): define the server's master pid
2919 (close_server): actually do the deed IFF we are the server's master
2921 2000-06-02 Jakub Jelinek <jakub@redhat.com>
2923 * c-common.c (c_get_alias_set): Check whether signed_type did not
2924 return its argument before calling get_alias_set on the result.
2926 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
2928 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2930 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2932 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
2933 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
2934 for TARGET_NOMACSAVE.
2935 (NOMACSAVE_BIT): Define.
2936 (TARGET_NOMACSAVE): Define.
2937 (TARGET_SWITCHES): Add "nomacsave".
2939 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
2941 * sh.md (untyped_call): Remove excess parameters
2943 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
2945 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
2946 match that used before the conversion to c_fix style.
2947 * fixinc/fixincl.x: regenerate
2949 2000-06-01 Stan Cox <scox@cygnus.com>
2951 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
2952 macro argument typo.
2954 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
2956 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
2958 * cpplib.c (parse_include): Remove support for VAX-C
2959 "#include starlet" misfeature.
2961 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
2963 * cppfiles.c: conditionally define O_BINARY.
2964 (open_include_file): pass O_BINARY to open().
2966 2000-06-01 Richard Henderson <rth@cygnus.com>
2968 * i960.c (i960_br_predict_opcode): Remove.
2969 (i960_print_operand) [+]: Emit branch prediction hints.
2970 (i960_function_arg): Return early for VOIDmode.
2971 (i960_round_align): Return early for incomplete types.
2972 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2973 * i960.md (all conditional branches): Add "%+".
2975 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2977 * alias.c (get_alias_set): Don't call language-specific routine more
2978 than is needed and clean up code a bit.
2979 * c-common.c (c_get_alias_set): All references whose type
2980 is char get alias set 0, but character types need not.
2981 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
2982 (make_decl_rtl): Don't call it for FUNCTION_DECL.
2984 2000-06-01 Bruce Korb <bkorb@gnu.org>
2986 * fixinc/tests/base/...: new base result files
2988 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2990 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
2991 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
2992 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
2995 2000-06-01 Richard Henderson <rth@cygnus.com>
2997 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
2999 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3001 2000-05-31 Richard Henderson <rth@cygnus.com>
3003 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3004 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3005 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3007 2000-05-31 Richard Henderson <rth@cygnus.com>
3009 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3010 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3011 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3012 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3013 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3015 2000-05-31 Richard Henderson <rth@cygnus.com>
3017 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3019 2000-05-31 Richard Henderson <rth@cygnus.com>
3021 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3023 (find_if_block): Allow THEN with no outgoing edges.
3024 * flow.c (merge_blocks_nomove): Remove a barrier not following
3027 2000-05-31 Richard Henderson <rth@cygnus.com>
3029 * flow.c (propagate_block): Move initialization of mem_set_list ...
3030 (init_propagate_block_info): ... here. Also track blocks with
3031 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3033 2000-05-31 Richard Henderson <rth@cygnus.com>
3035 * jump.c (jump_optimize_1): Revert 05-18 change.
3037 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3039 * invoke.texi: Remove documentation for -fguiding-decls.
3041 2000-05-31 Richard Henderson <rth@cygnus.com>
3043 * configure.in: Fix typo last change.
3045 2000-05-31 Philipp Thomas <pthomas@suse.de>
3047 * configure.in (enable-nls): Enable if build == host, i.e. when
3048 not building a canadian cross compiler.
3049 (enable-maintainer-mode): Added for use with i18n.
3050 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3051 cross section of ALL_LINGUAS and LINGUAS.
3052 * configure: Rebuild.
3054 2000-05-31 Bruce Korb <bkorb@gnu.org>
3056 * fixinc/check.tpl: rework to use test result tree
3057 * fixinc/Makefile.in: change invocation of check script
3058 * fixinc/check.diff: No longer needed
3059 * fixinc/fixincl.x: regenerate
3060 * fixinc/inclhack.def: add new tests
3061 * fixinc/tests/base/arch/i960/archI960.h: New test result
3062 * fixinc/tests/base/curses.h: modified test result
3063 * fixinc/tests/base/stdio.h: ditto
3064 * fixinc/tests/base/time.h: ditto
3065 * fixinc/tests/base/sys/asm.h: ditto
3066 * fixinc/tests/base/sys/stat.h: ditto
3067 * fixinc/tests/base/sys/wait.h: ditto
3069 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3071 * except.c (clear_function_eh_region): Do not free NULL.
3073 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3075 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3076 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3077 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3078 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3079 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3080 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3081 (get_alias_set): Likewise.
3082 Major rework to do more things and allow language-specific code
3083 to just handle special-cases.
3084 (record_alias_subset): Args are HOST_WIDE_INT.
3085 (record_component_alias): Local vars are HOST_WIDE_INT.
3086 Don't handle COMPLEX_EXPR.
3087 (get_varargs_alias_set): Moved from builtins.c.
3088 (get_frame_alias_set): New function.
3089 * builtins.c (expand_builtin_return_address): Use frame alias set.
3090 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3092 (get_memory_rtx): Rework to use set_mem_attributes.
3093 (get_varargs_alias_set): Deleted from here.
3094 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3095 (c_find_base_decl): Deleted from here.
3096 (c_get_alias_set): Remove many cases and rework to just handle
3098 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3099 * c-decl.c (rtl.h, expr.h): Now included.
3100 (init_decl_processing): Call record_component_aliases on array types.
3101 (grokdeclarator): Likewise.
3102 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3103 * c-typeck.c (common_type): Call record_component_aliases for array.
3104 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3105 Set all save areas to the frame alias set.
3106 * calls.c (initialie_argument_information): Call set_mem_attributes.
3107 (compute_argument_addresses, expand_call): Likewise.
3108 * explow.c (set_mem_attributes): New function.
3109 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3110 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3111 LEN and OFFSET now HOST_WIDE_INT.
3112 (clear_by_pieces): Similar changes.
3113 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3114 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3115 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3116 (clear_by_pieces_1): Likewise.
3117 (emit_push_insn): Call set_mem_attributes.
3118 (expand_expr, case INDIRECT_REF): Likewise.
3119 (expand_expr, case VAR_DECL): Call change_address.
3120 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3122 (get_varargs_alias_set, get_frame_alias_set): New decls.
3123 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3124 (new_alias_set, set_mem_attributes): Likewse.
3125 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3126 (assign_stack_temp_for_type): Likewise.
3127 Can split slot even if alias set since can copy.
3128 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3129 (assign_temp): Use host_integerp and tree_low_cst.
3130 (put_var_into_stack): Properly handle SAVE_EXPR.
3131 (put_addressof_into_stack): Likewise.
3132 (assign_parms): Call set_mem_attributes.
3134 (fix_lexical_address): Put reference to chain into frame alias set.
3135 (expand_function_start): Call set_mem_attributes.
3136 * integrate.c (expand_inline_function): Likewise.
3137 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3138 * regmove.c (try_apply_stack_adjustment): Likewise.
3139 * reload.c (push_reload, make_memloc): Likewise.
3140 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3141 * rtl.def (MEM): Update comment.
3142 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3143 (move_by_pieces): Change length to HOST_WIDE_INT.
3144 (record_base_value, record_alias_subset): Delete from here.
3145 * stmt.c (expand_decl): Call set_mem_attributes.
3146 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3147 * toplev.c (compile_file): Call init_alias_once earlier.
3148 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3149 from here: now in alias.c.
3150 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3151 (struct tree_decl): Likewise.
3152 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3153 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3154 (output_constant_def, force_const_mem): Likewise.
3156 * flow.c (propagate_block): If block has no successors, stores to
3157 frame are dead if not used.
3159 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3161 * stmt (expand_end_case): Reorder conversion sequence for jump
3162 table to avoid extra truncations.
3164 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3166 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3167 in the block is more than just a simple conditional branch.
3168 (noce_process_if_block): Similarly.
3170 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3172 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3175 2000-05-30 Michael Meissner <meissner@redhat.com>
3177 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3178 instructions. Treat LO_SUM operations as loading the full integer
3181 2000-05-30 Richard Henderson <rth@cygnus.com>
3183 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3185 2000-05-30 Richard Henderson <rth@cygnus.com>
3187 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3189 2000-05-30 Bruce Korb <bkorb@gnu.org>
3191 * fixinc/tests/*: Added expected result files for fixinc's make check
3192 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3194 2000-05-30 Richard Henderson <rth@cygnus.com>
3196 * config/alpha/alpha.md (*setne_internal): Use match_operator
3197 instead of working down from insn.
3199 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3201 * invoke.texi (-Wtraditional): Update WRT function macros.
3203 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3205 * except.c (free_exception_table): Do not free NULL.
3207 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3209 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3210 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3213 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3215 * flow.c (mark_used_reg): If a register is unconditionally live,
3216 remove any conditional death information.
3218 2000-05-29 Richard Henderson <rth@cygnus.com>
3220 * final.c (current_output_insn): New.
3221 (final_scan_insn): Set it.
3222 * output.h: Declare it.
3224 2000-05-29 Richard Henderson <rth@cygnus.com>
3226 * stor-layout.c (finalize_record_size): Fix typo.
3228 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3231 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3233 * cpplib.h (cpp_reader): Remove if_stack. Change
3234 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3235 * cpphash.h (struct ihash): Change control_macro to a
3236 cpp_hashnode * and shorten name to cmacro.
3237 Add NEVER_REINCLUDE constant.
3239 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3240 Examine the cmacro node directly, no need to call cpp_defined.
3241 (_cpp_execute_include, read_include_file): Set cmacro to
3242 NEVER_REINCLUDE, not U"".
3243 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3244 (cpp_get_token): If pfile->skipping is true, discard text and
3245 keep scanning until we hit a directive; don't expand macros.
3247 * cpplib.c (struct if_stack): Remove if_succeeded, add
3248 was_skipping. Change control_macro to a cpp_hashnode * and
3249 shorten name to cmacro. Remove typedef IF_STACK.
3250 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3251 (conditional_skip, skip_if_group,
3252 consider_directive_while_skipping): Delete.
3253 (push_conditional): New.
3254 (_cpp_handle_directive): Don't process directives other than
3255 conditionals if we are skipping.
3257 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3258 Update to new scheme.
3259 (validate_else): Skip rest of line here, unconditionally.
3260 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3261 pfile->skipping off.
3263 (all): Remove `scare quotes' from error messages.
3265 2000-05-29 Richard Henderson <rth@cygnus.com>
3267 * function.c (emit_return_into_block): New line_note arg; emit it.
3268 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3269 for the close brace to accompany HAVE_return. Move all line notes
3270 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3272 2000-05-29 Richard Henderson <rth@cygnus.com>
3274 * longlong.h [__alpha] (count_leading_zeros): New.
3275 (count_trailing_zeros): New.
3276 (COUNT_LEADING_ZEROS_0): New.
3278 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3279 (alpha_split_conditional_move): New.
3280 * config/alpha/alpha-protos.h: Prototype them.
3281 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3282 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3283 * config/alpha/alpha.md: Update ffs cix commentary.
3285 (*nabssf2, *nabsdf2): New.
3286 (*mov[qhsd]icc_internal): Use add_operand.
3287 (if_then_else constant splitters): New.
3288 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3289 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3291 2000-05-29 Richard Henderson <rth@cygnus.com>
3293 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3294 a constant to NEG or NOT when conditions allow.
3296 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3297 unless both args are general_operand. Don't canonicalize plus
3298 to ior unless it helps.
3300 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3301 instead track register_life_up_to_date. Toggle no_new_pseudos
3304 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3306 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3307 so output_operand doesn't see them.
3309 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3311 * lcm.c (make_preds_opaque): Fix comment.
3312 (optimize_mode_switching): Use NORMAL_MODE instead of
3313 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3314 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3315 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3316 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3317 (MODE_USES_IN_EXIT_BLOCK): Delete.
3318 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3319 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3320 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3321 (MODE_NEEDED): Don't look for USE.
3322 (EPILOGUE_USES): Define.
3324 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3326 * mklibgcc.in (all): Variable initialised to `libgcc'.
3328 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3330 * toplev.h (skip_leading_substring): New macro.
3331 * toplev.c (decode_f_option): Use skip_leading_substring instead
3333 (decode_W_option): Likewise.
3335 2000-05-28 Nick Clifton <nickc@cygnus.com>
3337 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3340 2000-05-28 Richard Henderson <rth@cygnus.com>
3342 * regclass.c (record_operand_costs): Protect reg_changes_size
3343 with CLASS_CANNOT_CHANGE_SIZE.
3345 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3347 2000-05-28 Richard Henderson <rth@cygnus.com>
3349 * function.c (diddle_return_value): A pcc-style struct return
3352 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3354 * cppfiles.c: Read files in, using mmap if possible, then
3355 prescan them separately.
3356 (read_file, read_with_read): New functions.
3357 * cpplex.c: Don't define UCHAR_MAX.
3358 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3361 * cppinit.c (handle_option): Automatically define __cplusplus,
3362 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3363 the respective -lang switch.
3365 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3366 prototype): Move to...
3367 * cpplib.h: ... here. Rename struct hashnode to struct
3368 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3369 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3371 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3373 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3375 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3376 (class_can_change_size): New variable.
3377 (reg_changes_size): New variable.
3378 (init_reg_sets_1): Initialise class_can_change_size.
3379 (record_operand_costs): Remove subreg_changes_size.
3380 Don't pass it around. Instead update reg_changes_size.
3381 (regclass): Initialise and free reg_changes_size. If a register
3382 changes size, don't preference it to a class that contains
3383 registers that can't change size.
3384 (record_reg_classes): Don't look at subreg_changes_size.
3386 2000-05-27 Richard Henderson <rth@cygnus.com>
3388 * print-rtl.c (reg_names): Remove const.
3389 * regclass.c (reg_names): Likewise.
3390 * regs.h (reg_names): Likewise.
3391 * hard-reg-set.h (reg_names): Likewise.
3393 2000-05-27 Richard Henderson <rth@cygnus.com>
3395 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3397 2000-05-27 Richard Henderson <rth@cygnus.com>
3399 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3400 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3401 (alpha_expand_prologue): Emit prologue_mcount if needed.
3402 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3403 * config/alpha/alpha.md (prologue_mcount): New.
3404 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3405 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3406 * config/alpha/netbsd.h: Likewise.
3408 2000-05-27 Richard Henderson <rth@cygnus.com>
3410 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3411 change to config/elfos.h.
3413 2000-05-27 Richard Henderson <rth@cygnus.com>
3415 * Makefile.in (resource.o): Depend on except.h.
3416 * except.h (output_exception_table_data): Prototype.
3417 * genconfig.c (gen_peephole2): Prototype.
3418 * genemit.c (main): Include ggc.h.
3419 * genoutput.c: Revert parts of last change: include errors.h
3420 (main): Set progname.
3421 * recog.c: Include hard-reg-set.h before recog.h.
3422 * resource.c: Include except.h.
3424 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3426 (alpha_write_linkage): Protect with BUFSIZ.
3427 (alpha_need_linkage): Update prototype.
3428 * config/alpha/alpha.c (function_arg): Move VMS code here.
3429 (alpha_links_base): Remove.
3431 (mark_alpha_links_node, mark_alpha_links): New.
3432 (alpha_write_one_linkage): New.
3433 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3434 (alpha_write_linkage): Use splay_tree_foreach.
3435 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3436 to get the linkage symbol.
3437 (call_value_vms): Likewise.
3438 * config/alpha/elf.h (output_file_directive): Remove decl.
3439 (ctors_section, dtors_section): Prototype.
3440 (sbss_section, sdata_section): Prototype.
3441 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3442 (readonly_section, link_section, literals_section): Prototype.
3443 (ctors_section, dtors_section): Prototype.
3444 (vms_valid_decl_attribute_p): Remove decl.
3445 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3447 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3449 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3451 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3452 substituting the REG in a (subreg:X (reg:Y ...)).
3454 2000-05-28 Neil Booth <NeilB@earthling.net>
3456 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3457 first token of a line BOL. Update EOF code for this.
3458 Remove illegal directive check - it appears in the (not
3459 yet committed) caller.
3460 * cpplib.h (BOL): New flag.
3462 2000-05-28 Neil Booth <NeilB@earthling.net>
3464 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3465 (_cpp_free_toklist): No comment space to free.
3466 (expand_comment_space): Remove.
3467 (save_comment_space): Place the comment in the current token and
3468 not in a separate comment space.
3469 (_cpp_lex_line): Save comments during plain code and #define
3471 * cpplib.h (struct _cpp_toklist): Remove comment space.
3473 2000-05-28 Neil Booth <NeilB@earthling.net>
3475 * cppexp.c (parse_assertion): Supply extra argument to
3477 * cpplib.c (do_assert, do_unassert): Similarly.
3478 * cpphash.h (_cpp_init_toklist) Update.
3479 (_cpp_expand_token_space): New.
3480 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3481 * cpplex.c (_cpp_init_toklist): New argument.
3482 (parse_string2): New argument multiline_ok.
3483 (spell_token): Take a const cpp_token *.
3484 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3485 (SPELL_ macros): Replace with enum.
3486 (expand_token_space): Replace with _cpp_expand_token_space.
3487 Take COUNT argument.
3488 (IS_DIRECTIVE): Update.
3489 (_cpp_lex_line): Update token structure before parsing number.
3490 Don't assume start at beginning of token list.
3491 (save_comment): Use INIT_TOKEN_NAME.
3493 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3495 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3496 -Wmissing-prototypes.
3497 * configure: Regenerate.
3498 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3500 * builtins.c, calls.c: Change all instances of gen_call_* or
3501 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3502 * calls.c (struct_value_size_rtx): Separate definition from
3503 initialization to avoid unused variable warning.
3505 * genflags.c (gen_macro): New function.
3506 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3507 (gen_nonproto): Delete.
3508 (gen_insn): Put all insns on the same obstack.
3509 (main): Generate prototypes for everything unconditionally.
3511 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3512 out check for wchar_t.
3513 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3514 * system.h: Add infrastructure for defining missing
3515 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3516 definitions of UCHAR_MAX and SSIZE_MAX.
3517 * configure: Regenerate.
3518 * config.in: Regenerate.
3520 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3521 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3523 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3524 libgcc2.a, or libgcc1.null.
3526 2000-05-27 Richard Henderson <rth@cygnus.com>
3528 * Makefile.in (recog.o): Don't depend on resource.h.
3529 * recog.c: Don't include resource.h.
3530 (recog_last_allowed_insn): Remove.
3531 (recog_next_insn): Remove.
3532 (struct peep2_insn_data): New.
3533 (peep2_insn_data, peep2_current): New.
3534 (peep2_next_insn): New.
3535 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3536 (peep2_find_free_register): New.
3537 (peephole2_optimize): Track life information by insn as we go.
3538 * recog.h: Update declarations.
3539 * resource.c (find_free_register, reg_dead_p): Remove.
3540 * resource.h: Remove their declarations.
3541 * toplev.c: Include hard-reg-set.h before recog.h.
3543 * genconfig.c (max_insns_per_peep2): New.
3544 (gen_peephole2): New.
3546 * genemit.c (output_peephole2_scratches): Generate calls to
3547 peep2_find_free_register; adjust surrounding code.
3548 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3549 * genrecog.c (change_state): Don't track last_insn.
3550 (write_action): Write into *_pmatch_len before accepting.
3551 (write_tree): Adjust peephole2_insns and subroutines to match.
3553 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3555 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3556 (hard_int_register_operand): New.
3557 * config/alpha/alpha-protos.h: Declare it.
3558 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3559 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3560 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3562 2000-05-27 Richard Henderson <rth@cygnus.com>
3564 * function.c (thread_prologue_epilogue_insns): Don't move the
3565 line note at the head of the chain. Only force a lineno note
3566 before the end of block 0.
3568 2000-05-27 Richard Henderson <rth@cygnus.com>
3570 * gensupport.c (collect_insn_data): Record the maximum number
3571 of alternatives, not the last seen.
3573 * genoutput.c: Don't include errors.h.
3574 (struct data): Add lineno member.
3576 (scan_operands): Use message_with_line instead of error.
3577 (validate_insn_alternatives): Likewise.
3578 (gen_insn): Accept and store the pattern's line number.
3579 (gen_peephole, gen_expand, gen_split): Likewise.
3580 (main): Don't set progname. Pass line_no to gen_foo.
3582 2000-05-27 Richard Henderson <rth@cygnus.com>
3584 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3585 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3586 * config/d30v/d30v.md (attr predicable): New.
3587 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3588 (andsi3*): Unify into one pattern.
3589 (iorsi3*, xorsi3*): Likewise.
3590 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3592 (old cond_exec patterns): Remove.
3593 (define_cond_exec): New.
3595 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3597 * tree.h (TREE_CODE_LENGTH): New macro.
3598 * c-common.c (c_find_base_decl): Use it.
3599 * expr.c (safe_from_p): Likewise.
3600 * print-tree.c (print_node): Likewise.
3601 * tree.c (make_node, copy_node, get_identifier): Likewie.
3602 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3603 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3604 * fold-const.c (make_range): Likewise.
3605 (fold): Likewise; also use first_rtl_op.
3606 * c-iterate.c (collect_iterators): Use first_rtl_op.
3607 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3608 Use IS_EXPR_CODE_CLASS.
3609 (preexpand_calls): Likewise.
3610 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3611 and TREE_CODE_LENGTH.
3612 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3614 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3616 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3618 (movdi_internal64): Likewise.
3620 * config/rs6000/rs6000.md: Correct order of operands for DImode
3623 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3624 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3625 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3626 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3627 boolean_operator for the boolean patterns without NOTs.
3629 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3630 from reg_or_u_cint_operand. Change comment and behaviour.
3631 (logical_operand): Clean up, add assertion.
3632 (non_logical_cint_operand): Also check for
3633 reg_or_logical_cint_operand.
3634 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3635 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3641 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3643 * tree.h (struct record_layout_info): Rename to (struct
3644 record_layout_info_s).
3645 * stor-layout.c (start_record_layout): Replace
3646 `record_layout_info' with `record_layout_info_s'.
3648 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3650 * flow.c (find_label_refs): New function.
3651 (find_basic_blocks_1): Call it for each alternative of a call
3654 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3656 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3659 2000-05-25 Richard Henderson <rth@cygnus.com>
3661 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3662 so strict about DImode.
3663 (alpha_swapped_comparison_operator): Likewise.
3664 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3665 any integer output mode.
3666 (*setcc_internal): Likewise.
3667 (*setcc_swapped_internal): Likewise.
3668 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3669 (*mov[qhs]icc_internal): New.
3670 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3672 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3674 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3676 2000-05-25 Richard Henderson <rth@cygnus.com>
3678 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3679 Remove add_jump; add next; replace flags with visited.
3681 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3682 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3683 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3684 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3686 (reorder_index, reorder_last_visited): Remove.
3687 (skip_insns_after_block): Rewrite to use a switch.
3688 (get_common_dest): Remove.
3689 (chain_reorder_blocks): Remove.
3690 (record_effective_endpoints): Split out from reorder_basic_blocks.
3691 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3692 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3693 Only construct the reorder chain, do not move insns. Try harder
3695 (label_for_bb, emit_jump_to_block_after): New.
3696 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3697 and adjust the jump insns appropriately. Fixup basic_block_info.
3698 (verify_insn_chain): Always define.
3699 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3701 (make_new_scope): Don't write zeros to calloc'd space.
3702 (build_scope_forest): Rely on xrealloc to DTRT.
3703 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3704 profile_arc_flag. Streamline EH test.
3706 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3707 * basic-block.h: Declare them.
3709 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3711 * emit-rtl.c (reset_used_decls): New function.
3712 (unshare_all_rtl_again): Call it.
3714 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3716 * cpplex.c (maybe_macroexpand): Warn about function-like
3717 macros used in non-function context, if -Wtraditional.
3719 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3721 * recog.c (peephole2_optimize): Use INSN_P.
3723 2000-05-25 Richard Henderson <rth@cygnus.com>
3725 * ifcvt.c (seq_contains_jump): New.
3726 (noce_try_store_flag_constants): Use it to fail conversion.
3727 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3729 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3731 * except.h (can_throw): Declare it.
3732 * except.c (can_throw): Give it external linkage.
3733 * resource.c (find_dead_or_set_registers): Use can_throw.
3735 2000-05-25 Richard Henderson <rth@cygnus.com>
3737 * flow.c (mark_set_1): Don't record conditionally dead memory.
3739 2000-05-25 Jan Hubicka <jh@suse.cz>
3741 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3742 and pc_set at the place of simplejump_p and condjump_p.
3743 * cse.c (record_jump_equiv): Likewise.
3744 * emit-rtl.c (emit): Likewise.
3745 * explow.c (find_next_ref): Likewise.
3746 * flow.c (tidy_fallthru_edge): Likewise.
3747 (init_propagate_block_info): Likewise.
3748 * gcse.c (delete_null_pointer_checks): Likewise.
3749 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3750 dead_or_predicable): Likewise.
3751 * integrate.c (copy_insn_list): Likewise.
3752 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3753 for_each_insn_in_loop, check_dbra_loop, get_condition,
3754 insert_bct, load_mems): Likewise.
3755 * resource.c (find_dead_or_set_registers): Likewise.
3756 * sibcalls.c (simplejump_p): Likewise.
3757 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3759 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3761 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3762 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3764 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3765 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3766 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3767 * rs6000.md: Name various internal patterns.
3769 2000-05-25 Jan Hubicka <jh@suse.cz>
3771 * jump.c (invert_exp_1): Remove first argument, use pc_set
3772 to get the expression.
3773 (redirect_exp): Make static; redirect only the pc_set expression,
3774 remove first argument.
3775 (invert_exp): Remove first argument, make static.
3776 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3777 any_onlyjump at most places where we originaly did condjump_p
3779 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3780 (delete_barrier_succesors): Use pc_set.
3781 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3782 calls of invert_exp and redirect_exp.
3783 * rtl.h (redirect_exp, invert_exp): Remove.
3784 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3786 2000-05-25 Richard Henderson <rth@cygnus.com>
3788 * stmt.c (expand_end_bindings): Fix thinko last change.
3790 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3791 Andrew Haley <aph@cygnus.com>
3793 * except.c (func_eh_entry): Add emitted field.
3794 (new_eh_region_entry): Set emitted field to 0;
3795 (output_exception_table_entry): Only emit previously un-emitted data,
3796 and send it to the eh_data section.
3797 (output_exception_table): Break out common parts. Output
3798 exception table for entire compilation unit to eh_data section.
3799 (output_exception_table_data): Common parts of output_exception_table.
3800 Send output to eh_data section.
3801 (output_function_exception_table): Output exception table data for
3802 a single function to eh_data section.
3803 (free_exception_table): New external to free the table.
3804 * except.h (free_exception_table): Add prototype.
3805 (output_function_exception_table): Add prototype.
3806 * final.c (final_end_function): Output function exception table
3807 for IA64_UNWIND_INFO.
3808 (final_scan_insn): Emit any unwind directives for an insn.
3810 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3812 * frame.c: Remove all DWARF 2 specific code.
3813 * config/ia64/frame-ia64.c: New file.
3814 (gthread_stuff): Make all gthread available with
3816 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3817 (__register_frame_info, __register_frame): Move to common area of file.
3818 (__register_frame_info_table, __register_frame_table): Move to common i
3820 (__deregister_frame_info, __deregister_frame): Move to common area.
3821 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3822 (read_uleb128): New version for ia64.
3823 (get_unwind_record): Read the next IA-64 unwind record.
3824 (read_R_record): Read a region header record.
3825 (process_a_b_reg_code): X record helper.
3826 (read_X_record): Read an X format record.
3827 (read_B_record): Read a B format record.
3828 (P3_record_types): List of record types matching the P3 format.
3829 (P7_record_types): List of record types matching the P7 format.
3830 (P8_record_types): List of record types matching the P8 format.
3831 (read_P_record): Read a P format record.
3832 (init_ia64_reg_loc): Set default fields for a register.
3833 (init_ia64_unwind_frame): Set defaults for all register records.
3834 (execute_one_ia64_descriptor): Execute one descriptor record.
3835 (rse_address_add): Calculate the position of a local reg in memory.
3836 (normalize_reg_loc): Turn a location descriptor into a memory address.
3837 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3838 within a specified PC offset range.
3839 (get_real_reg_value): Given a register location, retrieve its value.
3840 (set_real_reg_value): Change the value of a register location.
3841 (copy_reg_value): Copy reg values, if needed.
3842 (copy_saved_reg_state): Copy all registers that need to be copied.
3843 (process_state_between): Normalize all frame register records that
3844 fall within the specified PC range.
3845 (frame_translate): Take a processed frame description, and turn
3846 everything into addresses.
3847 (build_ia64_frame_state ): Find and create frame state record for a PC.
3848 (get_personality): Get the personality routine for a given frame.
3849 (get_except_table): Get the exception table for a given frame.
3850 (record_name): Unwind record names for debugging.
3851 (print_record): Print and unwind record.
3852 (print_all_records): Print an entire unwind image.
3853 (__ia64_backtrace): Print a backtrace.
3854 (ia64_backtrace_helper): New function.
3855 (__register_frame_info_aux): New function.
3856 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3858 * frame.h (enum unw_record_type): New unwind record types.
3859 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3860 (struct unw_r_record, unwind_record): New unwind record structs.
3861 (struct unwind_info_ptr): Unwind information layout.
3862 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3864 (struct ia64_reg_loc): Register location description.
3865 (struct ia64_frame_state): Location of all registers in a frame.
3866 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3867 * libgcc2.c (__ia64_personality_v1): Personality routine.
3868 (__calc_caller_bsp): Calculate the bsp register for the caller's
3870 (ia64_throw_helper): Figure out who to return to and set up the
3872 (__throw): Throw routine.
3874 * output.h (assemble_eh_align, assemble_eh_label): New functions
3875 to generate EH info where we want it.
3876 (assemble_eh_integer): New function.
3877 * toplev.c (compile_file): Output module level exception table for
3879 (main): Set exceptions_via_longjump and flag_new_exceptions based
3880 on IA64_UNWIND_INFO too.
3882 * varasm.c (assemble_eh_label): Generate a label via
3883 ASM_OUTPUT_EH_LABEL if it has been specified.
3884 (assemble_eh_align): Generate an alignment directive via
3885 ASM_OUTPUT_EH_ALIGN if it has been specified.
3886 (assemble_eh_label): Generate an integer value via
3887 ASM_OUTPUT_EH_type if they have been specified.
3888 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3889 (ia64_init_builtins): Add __builtin_ia64_bsp
3890 and __builtin_ia64_flushrs.
3891 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3892 IA64_BUILTIN_FLUSHRS.
3893 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3894 IA64_BUILTIN_FLUSHRS.
3896 * config/ia64/ia64.md (flushrs): New insn to flush the register
3897 stack. Add to unspec list.
3899 * config/ia64/crtbegin.asm (frame_object): Change size.
3900 (__do_frame_setup_aux): New function.
3901 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3902 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3903 * Makefile.in (LIB2ADDEH): Add.
3904 (LIB2ADD): Use LIB2ADDEH.
3906 2000-05-24 Richard Henderson <rth@cygnus.com>
3908 * recog.c (offsettable_address_p): If mode size is zero, assume
3911 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
3913 * configure.in: Check for -Wno-long-long option support and improve
3914 handling of warning CFLAGS for stages 1 and 2.
3915 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
3916 * configure: Regenerate.
3918 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
3920 * gcc.texi: Remove contributor list. Instead include contrib.texi.
3921 * contrib.texi: New file.
3923 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3925 * loop.c (basic_induction_var): Avoid double recording of an increment.
3927 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3929 * Back out this patch:
3930 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
3931 * loop.h (struct induction): Add multi_insn_incr.
3932 * loop.c (basic_induction_var): New multi_insn_incr argument.
3933 Set it if we search back through previous insns for the biv.
3934 (record_biv): New multi_insn_incr argument; fill in struct induction.
3935 (strength_reduce): Discard an iv with multiple bivs, any of
3936 which require multiple insns to increment.
3938 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
3940 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3942 * rtl.h (loc_mentioned_in_p): Declare.
3943 * reload.c (loc_mentioned_in_p): Moved from here...
3944 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
3945 Fix loop increment for 'E' handling.
3946 * loop.c (strength_reduce): When doing biv->giv conversion,
3947 take multi-insn biv increments into account.
3949 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
3951 * stmt.c (expand_end_bindings): Look through NOTEs to find a
3954 2000-05-24 Mark Mitchell <mark@codesourcery.com>
3956 * calls.c (expand_call): Handle cleanups in tail-recursion
3957 arguments analagously to cleanups in sibling calls.
3959 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3961 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
3962 All callers changed.
3964 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3966 * expr.c (expand_assignment, store_expr, expand_expr,
3967 expand_expr_unaligned): Set in_check_memory_usage while emitting
3968 chkr_check_addr libcall.
3970 2000-05-24 Nick Clifton <nickc@cygnus.com>
3972 * fold-const.c (extract_muldiv): When constructing a
3973 multiplier/divisor, do not expect const_binop to correctly
3974 determine if overflow has occured, so check explicitly.
3976 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3978 * c-decl.c (build_enumerator): Don't modify the value's type,
3981 2000-05-24 Andreas Jaeger <aj@suse.de>
3983 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
3985 2000-05-24 Eric Christopher <echristo@cygnus.com>
3987 * configure.in: Redefine inhibit_libc conditions.
3988 * libgcc2.c: Remove inhibit_libc conditional define.
3989 * configure: Regenerate.
3991 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
3993 * configure.in: For --enable-languages=LIST, check for empty LIST.
3994 * configure: Regenerate.
3996 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
3998 * pdp11.h (STACK_BOUNDARY): Define.
4000 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4002 * ifcvt.c (if_convert): Update life info globally.
4004 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4006 * emit-rtl.c (unshare_all_decls): New function.
4007 (unshare_all_rtl): Call it.
4009 2000-05-23 Nick Clifton <nickc@cygnus.com>
4011 * configure.in: Treat 'strongarm' as if it were 'arm' when
4012 determining cpu type.
4014 * configure: Regenerate.
4016 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4017 where constant strings are involved.
4019 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4022 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4023 cases where constant strings are involved.
4025 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4027 * config/sh/sh.c (gen_far_branch, split_branches): Update
4028 to reflect new prototypes for redirect_jump and invert_jump.
4029 (sh_insn_length_adjustment): Get rid of const warnings.
4031 2000-05-23 Kazu Hirata <kazu@hxi.com>
4033 * invoke.texi (Options for Debugging Your Program or GCC): Update
4034 the names of dump files.
4036 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4038 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4039 * configure: Regenerated.
4041 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4043 * simplify-rtx.c (SIGN_EXTEND): New macro.
4044 (simplify_unary_operation, simplify_binary_operation,
4045 simplify_relational_operation): Use SIGN_EXTEND. Make low
4046 halves of (low, high) pairs unsigned if they weren't already.
4047 (simplify_ternary_operation): Cast INTVAL to unsigned before
4048 comparing to a MODE_BITSIZE.
4050 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4052 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4053 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4055 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4056 gcc_AC_NEED_DECLARATIONS.
4058 * dwarfout.c: Don't prototype time().
4060 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4062 * system.h: Likewise.
4064 * toplev.c: Likewise.
4066 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4068 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4070 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4072 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4074 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4076 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4078 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4080 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4081 (alpha_start_function): Never write ..ng label if VMS or NT.
4082 (alpha_align_insns): Remove GP_IN_USE arg.
4083 Alignment now unsigned.
4084 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4085 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4086 and two define_insn's.
4088 2000-05-22 Richard Henderson <rth@cygnus.com>
4090 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4092 2000-05-22 Richard Henderson <rth@cygnus.com>
4094 * stor-layout.c (place_field): Change rli->size to rli->offset.
4096 2000-05-22 Richard Henderson <rth@cygnus.com>
4098 * function.c (thread_prologue_and_epilogue_insns): Make sure
4099 existing line number notes appear after the prologue.
4101 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4103 * config/alpha/alpha.c (alpha_fnname): New static variable.
4104 (print_operand, case '~'): New case.
4105 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4106 (alpha_start_function): Set alpha_fnname.
4107 Write "ng" label if no ldgp; don't write ldgp insn.
4108 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4109 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4111 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4113 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4116 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4118 * varasm.c (eh_frame_section): Revert change to argument list.
4120 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4122 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4123 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4125 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4126 dangling "else" that causes "break" to be conditional.
4127 Also remove unneeded code at start.
4129 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4131 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4132 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4133 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4135 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4137 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4140 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4142 * alias.c (record_component_aliases): New function.
4143 * tree.h: Clean up some declarations and comments.
4144 (record_component_aliases): New declaration.
4145 * tree.c (get_alias_set): If type and has alias set, use it.
4147 2000-05-22 Richard Henderson <rth@cygnus.com>
4149 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4150 IF_THEN_ELSE to a setcc form.
4151 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4153 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4155 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4156 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4158 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4160 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4163 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4165 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4166 * config/mn10300/mn10300.c (print_operand): Likewise.
4168 * final.c (split_double): Right shift of negative values is not
4171 * ifcvt.c (if_convert): Scan and kill dead code.
4173 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4175 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4177 * diagnostic.c: Eliminate implicit int.
4178 * except.c, gcc.c: Add static prototypes.
4179 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4180 * gensupport.c (process_rtx): Use XVEC to initialize vector
4183 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4184 debug_reg_names instead of static reg_names. If not, define
4186 * regclass.c: Don't define global reg_names unless
4187 DEBUG_REGISTER_NAMES is defined.
4189 * reload1.c (order_regs_for_reload): Remove unused variable.
4190 * varasm.c: Include output.h after defaults.h. Define
4191 eh_frame_section as function of no args, not of unspecified args.
4193 * gcc.c: Constify argbuf; arguments to store_arg,
4194 process_command, main; elements of struct command and struct
4195 switchstr; local variables in execute, process_command, main.
4197 2000-05-20 Bruce Korb <bkorb@gnu.org>
4199 * fixinc/inclhack.def: many applications of c_fix=format + tests
4200 * fixinc/check.diff: regenerated
4201 * fixinc/fixincl.x: regenerated
4203 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4205 * alias.c: Clarify some comments.
4206 (record_base_value): REGNO is unsigned.
4207 * rtl.h (record_base_value): Likewise.
4209 * alias.c (aliases_everything_p): Don't special-case QImode here.
4210 * c-common.c (c_get_alias_set): Do it here.
4211 Handle BIT_FIELD_REF by getting alias info for arg.
4214 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4216 * mklibgcc.in: Restore rule to create ${dir}.
4218 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4220 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4221 GCC_FOR_TARGET used by MULTILIBS.
4222 * mklibgcc.in: Make sure each .o file depends on the
4223 directory it will be in.
4224 Make the multilib directory depends libgcc.
4226 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4228 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4230 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4232 * fold-const.c (make_range): Handle degenerated intervals.
4233 Fixes c-torture/execute/991221-1.c
4235 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4237 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4238 * reload.c (find_equiv_reg): Likewise.
4239 * alias.c (init_alias_analysis): Likewise.
4240 Only call prologue_epilogue_contains on insns.
4241 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4242 * bb-reorder.c (hard-reg-set.h): Include earlier.
4243 * haifa-sched.c (hard-reg-set.h): Likewise.
4244 * ifcvt.c (hard-reg-set.h): Likewise.
4245 * local-alloc.c (hard-reg-set.h): Likewise.
4246 * loop.c (hard-reg-set.h): Likewise.
4247 * predict.c (hard-reg-set.h): Likewise.
4248 * regrename.c (hard-reg-set.h): Likewise.
4249 * flow.c (hard-reg-set.h): Likewise.
4250 (reg_set_to_hard_reg_set): New function.
4251 * bitmap.c (regs.h, basic-block.h): No longer include.
4252 (bitmap.h): Now include.
4253 * conflict.c (hard-reg-set.h): Include.
4254 * profile.c (hard-reg-set.h): Likewise.
4255 * print-rtl.c (hard-reg-set.h): Likewise.
4256 * sbitmap.c (hard-reg-set.h): Likewise.
4257 * toplev.c (hard-reg-set.h): Likewise.
4258 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4259 * hard-reg-set.h (reg_names): Now constant.
4260 * regs.h (reg_names): Likewise.
4261 * regclass.c (reg_names): Likewise.
4262 * loop.h (basic-block.h): No longer include.
4263 (bitmap.h): Now include.
4264 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4265 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4266 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4268 2000-05-19 Jan Hubicka <jh@suse.cz>
4269 Richard Henderson <rth@cygnus.com>
4271 * basic-block.h (struct edge_def): New field "count".
4272 (struct basic_block_def): Likewise.
4273 * flow.c (entry_exit_blocks): Add count fileds.
4274 (split_edge): Keep count information up-to-date.
4275 (dump_edge_info, dump_flow_info): Dump count fields.
4277 * final.c (count_instrumented_edges): Rename to edge from arc.
4278 (end_final): Update users.
4279 * profile.c: Include expr.h, basic-block.h.
4280 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4281 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4282 (ignore_next_note, return_label_execution_count): Kill.
4283 (bbg_file_name, da_file_name): Kill.
4284 (edge_info, bb_info): New structures.
4285 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4286 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4287 (total_num_edges_instrumented): Likewise.
4288 (init_arc, expand_spanning_tree): Kill.
4289 (fill_spanning_tree, tablejump_entry_p): Kill.
4290 (instrument_edges): Rewrite from instrument_arcs to use
4291 commit_edge_insertions infrastructure.
4292 (compute_branch_probabilities): Remove arguments; rewrite for
4293 CFG infrastructure; use rtl_dump_file directly.
4294 (branch_prob, find_spanning_tree): Likewise.
4295 (union_groups, find_group): New.
4296 (init_branch_prob): Make bbg_file_name and da_file_name local.
4297 (end_branch_prob): Use rtl_dump_file directly.
4298 (init_edge_profiler): Rename to edge from arc.
4299 (output_arc_profiler): Kill.
4300 (gen_edge_profiler): New.
4301 (output_func_start_profiler): Turn off profiling. Make the
4302 constructor static when we can.
4303 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4305 * toplev.c (DFI_flow): Remove.
4306 (DFI_cfg, DFI_life): New.
4307 (dump_file): Update accordingly.
4308 (compile_file): Call end_branch_prob if profile_arc_flag too.
4309 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4310 profiling after the CFG is built. Move flow1 life analysis to
4311 DFI_life. Always estimate remaining probabilities.
4313 2000-05-19 Richard Henderson <rth@cygnus.com>
4315 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4317 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4319 2000-05-19 Richard Henderson <rth@cygnus.com>
4321 * jump.c (redirect_jump): Add delete_unused argument. Don't
4322 remove labels and code following when LABEL_NUSES goes to zero.
4323 (invert_jump): Likewise.
4324 (jump_optimize_1): Fix redirect/invert arguments.
4325 (do_cross_jump, thread_jumps): Likewise.
4326 * flow.c (split_edge): Likewise.
4327 * reorg.c (optimize_skip): Likewise.
4328 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4329 * profile.c (instrument_arcs): Likewise.
4330 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4331 * rtl.h: Update prototypes.
4333 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4335 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4337 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4340 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4342 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4343 past l1 when deleting whitespace and markers.
4345 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4346 * cpplib.c (do_unassert): Put the list to compare against on
4349 2000-05-19 Bruce Korb <bkorb@gnu.org>
4351 * fixinc/README: cleaned up old documentation
4352 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4353 * fixinc/check.tpl: compute the list of needed directories
4354 emit "#if defined(name)" because of conflict
4355 omit machine name differences from output differences
4356 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4357 (machine_name): change test text to use `sed' markers
4358 * fixinc/fixincl.x: regen
4360 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4362 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4365 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4367 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4368 it to match the current practice.
4370 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4372 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4374 2000-05-18 Richard Henderson <rth@cygnus.com>
4376 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4377 * rtl.h (insn_dependant_p): Declare it.
4378 * loop.c (strength_reduce): Use it.
4380 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4382 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4383 16-bit and 64-bit clean-up.
4385 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4387 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4388 * configure: Rebuilt.
4390 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4392 * genopinit.c: Use $ for escape sequences in optab patterns.
4393 Remove backslashes from optab patterns. Change $A, $B, $C to
4394 expand to (int) whatever instead of just whatever; remove
4395 explicit (int) from all optab patterns.
4397 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4398 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4399 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4400 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4403 2000-05-18 Richard Henderson <rth@cygnus.com>
4405 * jump.c (jump_optimize_1): Base minimum insn count during
4406 find_cross_jump on BRANCH_COST.
4408 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4410 * print-rtl.c (print_rtx): Only print note line number as string
4411 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4412 * final.c (final_scan_insn): Do nothing for note line number 0.
4414 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4416 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4417 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4418 NOTE_INSN_DELETED_LABEL.
4420 2000-05-18 Nick Clifton <nickc@cygnus.com>
4422 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4423 uninitialised data in .rodata not .bss, and do not interpret an
4424 error in the initialisation value as meaning that the variable
4425 should be placed in the .bss section.
4427 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4429 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4430 not `$ac_cv_prog_cc_cc_c_o'.
4431 * configure: Regenerated.
4433 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4434 Richard Henderson <rth@cygnus.com>
4436 * c-common.h (enum c_tree_index): Add g77 type entries.
4437 (g77_integer_type_node, g77_uinteger_type_node): New.
4438 (g77_longint_type_node, g77_ulongint_type_node): New.
4439 * c-decl.c (init_decl_processing): Initialize them.
4441 2000-05-18 Richard Henderson <rth@cygnus.com>
4443 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4445 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4446 (small_power_of_two): Likewise; use exact_log2.
4447 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4448 (output_adds_subs): Remove.
4449 (two_insn_adds_subs_operand): New.
4450 (split_adds_subs): New.
4451 * config/h8300/h8300-protos.h: Update.
4452 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4453 (CONST_OK_FOR_L): Match strict adds operands.
4454 (CONST_OK_FOR_N): Match struct subs operands.
4455 * config/h8300/h8300.md (adds_subs insns): Remove.
4456 (addhi patterns): Output adds/subs directly.
4457 (addsi_h8300h): Likewise.
4458 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4460 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4462 * cppexp.c (parse_assertion): New.
4463 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4464 (_cpp_parse_expr): Remove case '#'. Don't set
4465 parsing_if_directive.
4466 * cpphash.c (collect_objlike_expansion,
4467 collect_funlike_expansion, collect_params,
4468 _cpp_create_definition): The list no longer has a trailing
4470 * cpphash.h (enum node_type): Add T_ASSERTION.
4471 (struct hashnode): Remove aschain, add pred.
4472 (struct predicate): New.
4475 * cpplex.c (expand_token_space): Handle both offset and
4477 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4478 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4479 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4480 _cpp_equiv_toklists): New.
4481 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4482 stop at any single-character token, not just newline.
4483 (_cpp_lex_token): Remove special cases for #define and #if.
4484 (cpp_get_token): Expect # as a separate token type. Remove
4486 (_cpp_get_directive_token): Remove DIRECTIVE case.
4487 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4489 * cpplib.c (_cpp_check_directive): Set dirno and
4490 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4491 (_cpp_handle_directive): Run # <number> through the same logic
4492 as normal directives.
4493 (do_define): Don't set parsing_define_directive. Use
4494 _cpp_scan_until. The list does not have a VSPACE at the end.
4495 (do_if): Save, clear, and restore only_seen_white around
4497 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4498 (do_assert, do_unassert): Rewrite.
4500 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4501 (LIST_OFFSET): New flag.
4502 (struct cpp_toklist): Replace dir_handler and dir_flags with
4504 (struct cpp_reader): Remove parsing_if_directive and
4505 parsing_define_directive.
4507 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4509 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4510 following the cabs decl which terminate on the following line.
4511 Add the corresponding test_text case.
4513 2000-05-18 Neil Booth <NeilB@earthling.net>
4515 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4516 default tab stop size.
4517 (no_num, OPT_ftabstop): New.
4518 (handle_option): Handle "ftabstop=" command-line option.
4519 (print_help): Document it.
4520 * cpplex.c (COLUMN): Remove.
4521 (handle_newline): Reset col_adjust.
4522 (skip_whitespace): Update col_adjust as tabs encountered.
4523 (_cpp_lex_line): Update to use col_adjust. Call
4524 skip_whitespace for all whitespace.
4525 * cpplib.h (struct cpp_options): New member tabstop.
4526 (struct cpp_reader): New member col_adjust.
4527 (CPP_BUF_COL): Update.
4528 (CPP_BUF_COLUMN): New.
4529 * cpp.texi: Document "-ftabstop=" command line option.
4531 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4533 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4535 * configure: Rebuilt.
4537 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4539 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4541 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4542 HOST_BITS_PER_WIDE_INT is >= 64.
4544 2000-05-17 Richard Henderson <rth@cygnus.com>
4546 * jump.c (jump_optimize_1): Remove inactive but real insns
4547 in jump-to-next-insn optimization.
4549 2000-05-17 Richard Henderson <rth@cygnus.com>
4551 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4552 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4553 Don't call recompute_reg_usage if no_new_pseudos is true.
4554 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4555 Return true if we did work; update global life information.
4556 * basic-block.h (optimize_mode_switching): Update decl.
4558 2000-05-17 Neil Booth <neilb@earthling.net>
4560 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4562 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4564 * cpplib.c: New feature, #pragma system_header.
4565 * cpp.texi: Document special treatment of system headers, and
4566 the various mechanisms to get a header that special treatment.
4568 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4570 * system.h (offsetof): Define at the very end, to ensure we prefer
4571 the platform's definition if available.
4573 2000-05-16 Bruce Korb <bkorb@gnu.org>
4575 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4576 * fixinc/server.c: likewise
4577 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4578 + #ifdef debugging code + use #def constant for
4580 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4581 on C++ math namespace
4583 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4585 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4586 Don't check the return value of sprintf. Use asprintf to avoid
4589 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4591 * flags.h (warn_unused_function, warn_unused_label,
4592 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4593 Replace ``warn_unused''.
4594 (set_Wunused): Add declaration.
4595 * toplev.c (set_Wunused): New function.
4596 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4597 warn_unused_variable, warn_unused_value): New variables.
4598 (W_options): Add -Wunused-function, -Wunused-function,
4599 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4600 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4602 * toplev.c (decode_W_option): Update -Wunused flags by calling
4604 * c-decl.c (c_decode_option): Ditto for -Wall.
4606 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4607 warn_about_unused_variables): Replace warn_unused with more
4608 explicit warn_unused_value et.al.
4609 * function.c (expand_function_end): Ditto.
4610 * c-typeck.c (internal_build_compound_expr,
4611 internal_build_compound_expr): Ditto.
4612 * c-decl.c (poplevel, pop_label_level): Ditto.
4613 * toplev.c (check_global_declarations): Replace warn_unused with
4614 check for either warn_unused_function or warn_unused_variable.
4616 * gcc.1, invoke.texi (Warning Options): Document
4617 -Wunused-function, -Wunused-function, -Wunused-label,
4618 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4620 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4622 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4623 $(srcdir), not in the current directory.
4625 2000-05-16 Richard Henderson <rth@cygnus.com>
4627 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4628 assembler supports it.
4629 (.fini, .init): Use a gp-relative indirect call.
4630 (__do_global_dtors_aux): Preserve the gp; rebundle.
4631 (__do_frame_setup): Likewise.
4632 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4633 (.init): Use a gp-relative indirect call.
4634 (__do_global_ctors_aux): Preserve the gp.
4636 2000-05-16 Richard Henderson <rth@cygnus.com>
4638 * flow.c (commit_one_edge_insertion): Be prepared for a return
4639 insn to be inserted on the edge with a normal jump.
4640 * jump.c (jump_optimize_1): Don't look to create return isns.
4642 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4643 * jump.c (jump_optimize_1): Likewise.
4644 (returnjump_p): Verify the argument is a JUMP_INSN.
4645 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4647 2000-05-16 Nick Clifton <nickc@cygnus.com>
4649 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4650 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4651 (large_insn_p): Ditto.
4652 (m32r_is_insn): New function: Return true if the insn contains
4653 an executable instruction.
4654 (m32r_adjust_insn): Use m32r_is_insn.
4655 (m32r_sched_reorder): Use m32r_is_insn.
4656 (m32r_sched_variable_issue): Use m32r_is_insn.
4658 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4660 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4663 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4665 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4666 according to given options.
4668 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4670 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4671 if X has VOIDmode either.
4672 (LIMIT_RELOAD_CLASS): Similarly.
4674 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4675 not "general_operand" to match the processor's capabilities.
4677 2000-05-16 Bruce Korb <bkorb@gnu.org>
4679 * fixinc/README: corrected return address
4680 * fixinc/check.diff: regenerate, now that test works
4681 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4682 (char_macro_def_fix,char_macro_use_fix): corrected and
4683 rewrote to use regex to parse the text
4684 * fixinc/inclhack.def: more testing
4685 * fixinc/fixincl.x: regenerated
4687 * fixinc/inclhack.def: added several "test_text" attributes
4688 changed several fixes to use `c_fix = format'
4689 re-alphabetized the fixes
4691 * fixinc/check.diff: regenerate
4692 * fixinc/fixincl.x: regenerate
4693 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4697 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4699 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4701 2000-05-15 Richard Henderson <rth@cygnus.com>
4703 * toplev.c (rest_of_compilation): Run full jump pass before
4704 find_basic_blocks of flow2.
4706 2000-05-15 Richard Henderson <rth@cygnus.com>
4708 * jump.c: Fix typos and clarify commentary from last change.
4709 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4710 (safe_to_remove_jump_p): Remove.
4711 (condjump_label): Use pc_set.
4713 2000-05-15 Richard Henderson <rth@cygnus.com>
4715 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4716 that get in the way after reload.
4717 (cond_exec_process_if_block): Skip a label heading THEN block.
4719 2000-05-15 Richard Henderson <rth@cygnus.com>
4721 * varasm.c (output_constant_pool): Abort instead of converting
4722 (improperly) deleted labels to zero.
4724 2000-05-16 Neil Booth <NeilB@earthling.net>
4726 * cpplex.c (parse_string2): Update comment.
4727 (cpp_lex_line): No special assertion treatment for '('.
4728 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4729 * cpplib.h (SYNTAX_ASSERT): Remove.
4731 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4733 * jump.c (condjump_p): Mark as depreached.
4734 (any_condump_p): New.
4735 (any_uncondump_p): New.
4737 (safe_to_remove_jump_p): New.
4738 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4739 safe_to_remove_jump_p): Declare.
4741 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4743 * calls.c: Re-install both patches reverted by last patch.
4744 (struct arg_data): New field tail_call_reg.
4745 (initialize_argument_information): Initialize tail_call_reg
4746 (load_register_parameters): New argument flags, use
4747 tail_call_reg when emiting tail call sequence.
4748 (expand_call): Update call of load_register_parameters;
4749 copy unadjusted_args_size to adjusted_args_size.
4751 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4753 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4754 and bct_p parameters to flags.
4755 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4756 * rtl.h (loop_optimize): Update prototype.
4757 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4759 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4761 * calls.c (expand_call): Move expand_start_target_temps call after
4764 2000-05-15 Neil Booth <NeilB@earthling.net>
4766 * cpphash.c (trad_stringify, warn_trad_stringify,
4767 collect_params): Make some pointers pointers to const.
4768 * cpplex.c (auto_expand_name_space) Guaranteed to always
4769 expand by at least one character.
4770 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4771 (struct token_spelling): Use const U_CHAR * rather than PTR.
4772 (expand_name_space): Fix up token pointers if name space
4773 is moved when expanding.
4774 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4775 parse_string2, save_comment, spell_token, cpp_output_list):
4776 Update so the routines handle tokens with a direct pointer to
4777 their text, rather than an offset into the token's list's namebuf.
4778 (_cpp_lex_line): Rearrange for clarity.
4780 * cpplib.c (_cpp_check_directive): Similarly.
4781 (do_define): Make SYM a pointer to const.
4782 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4783 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4784 (TOK_OFFSET): Delete.
4787 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4789 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4792 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4794 (logical_u_operand): Delete.
4795 (non_logical_cint_operand): Rewrite to take MODE into account.
4796 (non_logical_u_cint_operand): Delete.
4797 (boolean_operator): New function.
4798 (print_operand): Add new %q operand.
4799 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4800 remove logical_u_operand and non_logical_u_cint_operand,
4801 update logical_operand and non_logical_cint_operand.
4802 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4803 logical operations to use %q.
4805 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4806 (movdi): Make similar to movsi.
4807 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4808 is no such thing as a DImode CONST_DOUBLE.
4809 * config/rs6000/rs6000.c (output_toc): Likewise.
4811 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4812 codes when old mnemonics are in use. Print register names
4813 for cc registers when requested.
4815 * optabs.c (expand_float): Don't allow mode widening that causes
4818 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4819 flags to their current names -maix64 and -maix32.
4821 2000-05-14 Bruce Korb <bkorb@gnu.org>
4823 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4824 and/or after current text of file
4825 * fixinc/fixlib.c(must_malloc):
4826 * fixinc/fixlib.h(must_malloc): + reformatting
4827 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4828 with usages of ``c_fix = wrap;''
4829 Add several tests and use the ``c_fix = format'' fixer more.
4830 * fixinc/fixincl.x: regen
4831 * fixinc/check.diff: regen
4832 * fixinc/check.tpl: emit the associated header with the missing
4835 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4837 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4838 variables $src and $dst.
4840 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4842 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4843 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4844 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4845 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4847 (set_message_prefixing_rule): Declare.
4849 * diagnostic.c: (current_prefixing_rule): New variable.
4850 (set_message_prefixing_rule): Define.
4851 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4852 (init_output_buffer): Adjust Initialization.
4853 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4855 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4857 * ifcvt.c (if_convert): Do not free NULL.
4859 2000-05-12 Nick Clifton <nickc@cygnus.com>
4861 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4862 to move a double word value.
4863 (di_operand): New function: Return true if the operand is suitbale
4864 for a double word move operation.
4865 (nonimmediate_di_operand): New function: Return true if the
4866 operand is a DImode register or MEM.
4868 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4869 nonimmediate_di_operand.
4871 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4872 nonimmediate_di_operand.
4874 * config/fr30/fr30.md (movdi): New pattern. Required because
4875 other patterns generate DImode results.
4876 (movdi_insn): New pattern.
4878 2000-05-12 Richard Henderson <rth@cygnus.com>
4880 * config/alpha/alpha.c (struct shadow_summary): Define
4881 bitfields as type unsigned int.
4883 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4885 * config/avr/t-avr: Added definition of FLOAT while generates
4888 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4889 peepholes for tst+jump = sbrs/sbrc optimization.
4891 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4893 * expr.c (emit_push_insn): Do not adjust stack pointer when
4896 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4898 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4899 * system.h (offsetof): ... to here.
4901 2000-05-12 Richard Henderson <rth@cygnus.com>
4903 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4904 * final.c (final_end_function): Use app_disable. Rearrange note
4905 handling into a switch. Emit deleted labels.
4906 (output_asm_label): Generate label strings for deleted labels.
4907 * flow.c (tail_recursion_label_list): New.
4908 (find_basic_blocks_1): Set label_value_list directly. Collect list
4909 of tail recursion labels from call_placeholders. Don't add deleted
4910 labels to the label value list.
4911 (cleanup_cfg): Use free_EXPR_LIST_list.
4912 (flow_delete_insn_chain): Turn non-removable labels into notes.
4913 (flow_delete_block): Don't disable deleting the block because of
4914 a non-removable label.
4915 (tail_recursion_label_p): New.
4916 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
4918 (merge_blocks_move_successor_nojumps): Likewise. Also move a
4920 (merge_blocks): Disable a merge because of tail recursion labels.
4921 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
4922 Use a more accurate measure of not merging the join block.
4923 (find_if_block): Don't disable conversion because of a label.
4924 (find_if_case_1, find_if_case_2): Likewise.
4925 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
4926 element when copying.
4927 (squeeze_notes): Also leave EH notes.
4928 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
4930 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
4932 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
4933 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
4934 referring to a deleted label. Convert tail handling to a switch.
4935 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
4936 for NOTE_INSN_DELETED_LABEL.
4937 (NOTE): Fix commentary.
4938 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
4939 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
4940 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
4941 (LABEL_NUSES, LABEL_REFS): Likewise.
4942 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
4944 2000-05-12 Bruce Korb <bkorb@gnu.org>
4946 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
4947 * fixinc/check.diff: updated
4948 * fixinc/inclhack.def: corrected & added some test_text-s
4949 * fixinc/genfixes: removed unneeded options to autogen invocation
4950 * fixinc/fixincl.tpl: Specified the output file
4951 * fixinc/fixfixes.c: visual appearance
4952 * fixinc/fixincl.x: regenerate
4954 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
4956 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
4957 CTRL_defn_fix): Delete.
4958 (fix_char_macro_defines, fix_char_macro_uses): Rename to
4959 char_macro_def_fix and char_macro_use_fix, respectively. Put
4960 them into the FIXUP_TABLE. Get the string to search for from
4963 (format_write): New function.
4964 (format_fix): Use it.
4966 (FIX_PROC_HEAD): Constify text parameter.
4967 (machine_name_fix): Constify all char *s.
4968 * fixtests.c (skip_quote): Remove double static.
4970 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
4971 ctrl_use_quotes): Update for new scheme.
4972 * fixincl.x: Regenerate.
4974 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
4976 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
4978 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
4979 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4981 2000-05-11 Robert Lipe <robertlipe@usa.net>
4983 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
4984 * fixincl.x: Regenerate.
4986 2000-05-11 Richard Henderson <rth@cygnus.com>
4988 * calls.c: Revert both 05-09 patches.
4990 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
4992 * config/mn10300/mn10300.c (print_operand): Print FP constants in
4994 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
4997 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
4998 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5000 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5002 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5004 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5006 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5008 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5010 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5011 * config/avr/avr.c (jump_over_one_insn_p): New function.
5012 * config/avr/avr.md: New peepholes added. Output test and
5013 conditional jump to "sbrc" or "sbrs" command.
5015 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5017 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5019 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5021 * except.c (find_exception_handler_labels_1): New function.
5022 (find_exception_handler_labels): Split into two functions, dive
5023 into CALL_PLACEHOLDERs when looking for exception handler labels.
5025 2000-05-11 Stan Cox <scox@cygnus.com>
5027 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5028 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5029 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5031 2000-05-11 Bruce Korb <bkorb@gnu.org>
5033 * fixinc/fixfixes.c (double_slash_fix): obsolete
5034 (else_endif_label_fix): obsolete
5035 (format_fix): new, unused as yet
5037 * fixinc/fixlib.h: added fix description struct for use by format_fix
5038 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5039 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5040 modules. Removed the vestiges of the script version.
5041 Added support for "make check".
5042 * fixinc/check.diff: base diff file (needs work!!)
5043 * fixinc/check.tpl: quiet the fixup output
5044 * fixinc/fixtests.c (main): obsolete
5045 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5046 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5048 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5050 * toplev.c (rest_of_compilation): Remove dead code after
5053 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5055 * cpphash.c (collect_funlike_expansion): Make "# is not
5056 followed by a macro argument name" a pedwarn, not an error.
5057 Preserve the # in the output. Suppress the warning if lang_asm.
5059 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5061 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5062 * configure: Rebuilt.
5064 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5066 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5068 2000-05-10 Kazu Hirata <kazu@hxi.com>
5070 * combine.c (try_combine): Fix a typo.
5072 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5074 * config/ia64/ia64.md (insv): Add comment.
5076 2000-05-10 Richard Henderson <rth@cygnus.com>
5078 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5079 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5080 dependancies on FPBIT and DPBIT.
5082 2000-05-10 Nick Clifton <nickc@redhat.com>
5084 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5085 when optimising for size.
5086 (mark_used_regs:) Ditto.
5087 (try_pre_increment_1): Ditto.
5089 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5091 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5092 Make error message friendlier.
5094 * cpphash.h (struct hashnode): Use struct hack for name
5096 * cpphash.c (struct hashdummy): New.
5097 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5098 (make_HASHNODE): No need to set ->name pointer. Correct
5100 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5102 2000-05-10 Richard Henderson <rth@cygnus.com>
5104 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5107 2000-05-10 Bruce Korb <bkorb@gnu.org>
5109 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5111 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5113 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5114 after we enter .debug.
5116 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5118 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5119 abstract instance of a nested inline function.
5121 * stor-layout.c (finish_record_layout): finalize_type_size
5122 before laying out the pending_statics.
5124 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5126 * cpplex.c (spell_token): New function.
5127 (spell_string, spell_comment, spell_name): fold into
5130 (E, H): Remove macros.
5131 (save_comment): Save comment opening characters too.
5132 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5134 * cpplib.h (I, S): Add macros.
5135 (E, H): Remove macros.
5136 (TTYPE_TABLE): Update entries for new speller.
5137 (SYNTAX_ASSERT): Remove.
5139 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5141 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5142 when removing escaped newlines. Reverse sense of test for
5145 2000-05-09 Richard Henderson <rth@cygnus.com>
5147 * flow.c (find_basic_blocks_1): Do not delete the first
5148 bb_note we run across.
5149 (create_basic_block): Use reorder_insns to move an existing
5150 bb_note to the correct place.
5152 2000-05-09 Richard Henderson <rth@cygnus.com>
5154 * calls.c (expand_call): Increment currently_expanding_call
5155 before calling optimize_tail_recursion.
5157 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5159 * reload1.c (reload_combine): Fix errors in last change.
5161 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5163 * gcc.c (used_arg): Skip over a semicolon at the end of the
5164 split-up loop; don't break out of it.
5166 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5167 (tree.o): Depend on output.h.
5169 * c-decl.c (pending_invalid_xref_file,
5170 current_function_prototype_file): Constify.
5171 (pushdecl): Constify a local char *.
5172 (define_label): Constify filename parameter.
5173 * c-lex.c (init_parse): Constify parameter and return value.
5174 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5175 * c-tree.h: Update prototypes.
5176 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5177 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5178 objc/objc-parse.c: Regenerate.
5180 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5181 * dwarfout.h: Update prototypes.
5182 * expr.c (expand_expr): Constify a local char *.
5183 * flags.h: Constify main_input_filename.
5184 * function.c (expand_function_end): Constify filename parameter.
5185 * genrecog.c (make_insn_sequence): Use a character array for
5187 (main): Remove unused variables.
5188 * input.h: Constify input_filename, main_input_filename, and
5189 file_stack.name. Update prototypes.
5190 * output.h: Declare first_global_object_name and
5191 weak_global_object_name here, as const char *.
5192 * stmt.c (expand_asm_operands): Constify filename parameter.
5193 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5194 Constify filename parameter.
5195 (input_filename, main_input_filename): Constify.
5196 * toplev.h: Update prototypes.
5197 * tree.c: Include output.h. Don't declare
5198 first_global_object_name or weak_global_object_name. Clean up string
5199 bashing in get_file_function_name_long.
5200 * tree.h (struct tree_decl): Constify filename member.
5201 (input_filename): Constify.
5203 * varasm.c (first_global_object_name, weak_global_object_name):
5205 (assemble_start_function, assemble_variable): Clean up string bashing.
5207 * gcc.c: Constify all spec-related strings initialized,
5208 transitively, from string constants. Constify all strings
5209 and string variables related to multilibs.
5210 (set_spec, read_specs): Cast argument to free to PTR.
5211 (used_arg): Do not modify multilib_matches. Use strncmp plus
5212 length comparison to compare multilib switches.
5213 * genmultilib: Constify everything declared in multilib.h.
5215 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5217 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5220 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5222 * config/avr/avr-protos.h (extra_constraint): change a type of
5223 second argument from char to int to avoid warnings.
5224 (asm_output_byte): Likewise.
5226 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5227 (initial_elimination_offset): Handle elimination from
5228 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5229 (legitimate_address_p): Use MAX_LD_OFFSET.
5230 (legitimize_address): Likewise.
5231 (out_movqi_r_mr): Likewise.
5232 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5233 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5234 (out_movsi_mr_r): Likewise.
5235 (out_movqi_mr_r): Likewise.
5236 (out_movhi_mr_r): Likewise.
5237 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5238 count as CONST_INT != 6.
5239 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5240 shift count is a CONSTANT_P, but not a CONST_INT.
5241 (ashlhi3_out): Coding style modifications.
5242 (ashlsi3_out): Likewise.
5243 (ashrhi3_out): Likewise.
5244 (ashrsi3_out): Likewise.
5245 (lshrhi3_out): Likewise.
5246 (lshrsi3_out): Likewise.
5247 (ashrqi3_out): Generate shift for any known constant count without
5248 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5249 but not a CONST_INT.
5250 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5251 shift count is a CONSTANT_P, but not a CONST_INT.
5252 (extra_constraint): change a type of
5253 second argument from char to int to avoid warnings.
5254 (asm_output_byte): Likewise.
5255 (asm_file_end): Output size generated commands count as a hex
5258 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5260 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5262 (ashlqi3): Values of "length" attribute changed. Shift count
5263 uses constraints 'n' instead of 'i'.
5264 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5265 shifts without clobber register.
5266 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5267 (call_insn): Correct test for which_alternative == 1 (was 0).
5268 (call_value_insn): Likewise.
5270 * config/avr/t-avr: Remove definition of FLOAT while generates
5273 2000-05-09 Bruce Korb <bkorb@gnu.org>
5275 * fixinc/check.tpl: Template for checking fixes
5276 * fixinc/inclhack.def: Added 'test_text' for many fixes
5277 disable hpux8_bogus_inlines on SCO
5278 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5280 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5282 * calls.c (expand_call): Reorganize somewhat in order
5283 to avoid unnecesary recalculation inside loop and make
5284 tail call failure code cleaner.
5286 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5288 * alias.c (nonlocal_reference_p): Minor reformatting.
5289 * reload.c (find_equiv_reg): Simplify logic for
5290 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5291 some some reformatting.
5292 * reload1.c (reload_combine): Don't assume everything in
5293 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5295 2000-05-08 Richard Henderson <rth@cygnus.com>
5297 * final.c (current_insn_predicate): New.
5298 (final_scan_insn): Set it.
5299 * output.h (current_insn_predicate): Declare.
5301 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5302 Attach it to call insns.
5303 (cond_exec_process_if_block): Track probability for true and
5305 (dead_or_predicable): Likewise.
5307 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5308 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5309 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5310 (estimate_probability, expected_value_to_br_prob): Use them.
5312 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5313 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5314 (ia64_expand_prediction): New.
5315 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5316 as needed after calls.
5317 (ia64_epilogue_uses): Mark b0 used.
5318 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5319 (bne_true, bne_false): Remove.
5320 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5321 (br_true, br_false): New. Use predicate_operator and
5322 ia64_expand_prediction.
5323 (return_true, return_false): Likewise.
5324 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5325 (call_internal1, call_value_internal): Likewise.
5326 (call_value_internal1, call_multiple_values_internal1): Likewise.
5328 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5330 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5332 2000-05-08 Richard Henderson <rth@cygnus.com>
5334 * rtlanal.c (may_trap_p): Consider old-style and volatile
5337 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5339 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5341 2000-05-08 Richard Henderson <rth@cygnus.com>
5343 * config/ia64/ia64.h (predicate_operator): Declare.
5345 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5348 * gensupport.c (process_rtx): Copy and post-process each member
5349 of the define_insn rtvec individually.
5351 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5353 * cpplex.c (spell_token): New function.
5354 (TOKEN_LEN): Add 1 for whitespace.
5355 (_cpp_lex_file): Update to use spell_token.
5356 * cpplib.h (E): Remove.
5357 (TTYPE_TABLE): Update CPP_VSPACE entry.
5359 2000-05-08 Richard Henderson <rth@cygnus.com>
5361 * flow.c (init_propagate_block_info): Watch out for conditional
5362 branch to next instruction, and thus one outgoing edge.
5364 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5365 for global register variables; don't special case __[CD]TOR_LIST__;
5366 mind ggc_p for string allocation.
5368 2000-05-08 Nick Clifton <nickc@cygnus.com>
5370 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5372 2000-05-08 Bruce Korb <bkorb@gnu.org>
5374 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5375 i?86-*-msdosdjgpp* no longer uses fixincludes
5376 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5377 * fixinc/inclhack.sh: deleted
5378 * fixinc/hackshell.tpl: deleted
5379 * fixinc/inclhack.tpl: deleted
5380 * fixinc/Makefile.in: Remove dependencies on above
5381 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5383 2000-05-08 Andreas Jaeger <aj@suse.de>
5385 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5388 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5390 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5393 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5395 * cpplex.c: Move new lexer definitions and prototypes
5396 to top. Conditional include these and the code if
5397 NEW_LEXER is defined. Rename functions whose names
5398 clash if this code included.
5400 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5402 * rtl.def (COND_EXEC): Clarify.
5404 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5405 same fashion as zero_extendsidi2.
5407 2000-05-06 Richard Henderson <rth@cygnus.com>
5409 * config/ia64/ia64.c (predicate_operator): New.
5410 (ia64_print_operand): Handle 'J'.
5411 (rtx_needs_barrier): Handle COND_EXEC.
5412 * config/ia64/ia64.h (BRANCH_COST): Define.
5413 (PREDICATE_CODES): Update.
5414 * config/ia64/ia64.md: Docuement used unspec values.
5415 (attr predicable): New.
5416 (movxf, movxf_internal): New.
5417 (extendsfdf2): Don't comment out nop.
5418 (floatdidf2): Remove.
5419 (truncxfsf2, truncxfdf2, floatdixf2): New.
5420 (abssi2, absdi2): Put the neg in the "true" slot.
5421 (conditional branch instructions): Mark not predicable.
5422 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5423 (abs*_internal): Likewise.
5424 (alloc, set_bsp): Mark not predicable.
5425 (barrier, insn_group_barrier, flush_cache): Likewise.
5426 (define_cond_exec): New.
5428 2000-05-06 Richard Henderson <rth@cygnus.com>
5430 * c-decl.c: Include "tm_p.h".
5432 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5433 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5434 (ia64_expand_op_and_fetch): Declare.
5435 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5436 (setjmp_operand): Constify variables for XSTR.
5437 (ia64_encode_section_info): Likewise.
5438 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5440 (ia64_asm_output_external): Constify name.
5441 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5442 (process_for_unwind_directive): Provide switch default.
5443 (ia64_expand_compare_and_swap): Remove unused variables.
5444 (ia64_expand_builtin): Likewise.
5445 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5448 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5449 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5450 (shift_count_operand, shift_32bit_count_operand): Likewise.
5451 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5452 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5453 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5454 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5455 (ia64_expand_builtin): Likewise.
5456 (call_multiple_values_operation): Make dest_regno unsigned.
5458 2000-05-06 Richard Henderson <rth@cygnus.com>
5460 * rtl.def (DEFINE_COND_EXEC): New.
5461 * md.texi: Document it.
5463 * gensupport.c (input_file): Remove.
5464 (struct queue_elem): Add lineno.
5465 (rtx_ready_queue): Remove.
5467 (predicable_default): New.
5468 (predicable_true, predicable_false): New.
5469 (define_attr_queue, define_attr_tail): New.
5470 (define_insn_queue, define_insn_tail): New.
5471 (define_cond_exec_queue, define_cond_exec_tail): New.
5472 (other_queue, other_tail): New.
5473 (queue_pattern): New.
5474 (process_rtx): Add patterns to the appropriate queues.
5475 (is_predicable, identify_predicable_attribute): New.
5476 (n_alternatives, collect_insn_data): New.
5477 (alter_predicate_for_insn, alter_test_for_insn): New.
5478 (shift_output_template, alter_output_for_insn): New.
5479 (process_one_cond_exec, process_define_cond_exec): New.
5480 (init_md_reader): Read the entire file. Process define_cond_exec.
5481 (read_md_rtx): Return elements from the queues.
5483 2000-05-06 Richard Henderson <rth@cygnus.com>
5485 * flow.c (mark_set_1): Don't update conditional life info
5486 if the register is not_dead.
5488 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5490 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5491 (mostlyclean): Also delete fixincl, fixinc.sh, and
5492 specs.ready, and make clean in the fixinc subdir.
5494 2000-05-06 Richard Henderson <rth@cygnus.com>
5496 * Makefile.in (gensupport.o): Compile for the host.
5497 (host-prefix gensuuprt.o): Remove.
5498 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5499 (genattrtab.o): Likewise.
5500 (gencodes.o): Depend on gensupport.h.
5501 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5502 (genpeep.o, genattr.o, genoutput.o): Likewise.
5504 * gensupport.c (obstack, rtl_obstack): New.
5505 (init_md_reader): Initialize rtl_obstack.
5506 * gensupport.h (rtl_obstack): Declare.
5507 (message_with_line): Declare.
5509 * genattr.c: Remove all traces of obstack manipulation.
5510 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5511 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5513 * genattrtab.c (obstack, rtl_obstack): Remove.
5514 (main): Don't init rtl_obstack.
5515 * genflags.c: Likewise.
5517 * genrecog.c (message_with_line): Move ...
5518 * gensupport.c: ... here.
5520 2000-05-06 Richard Henderson <rth@cygnus.com>
5522 * c-typeck.c (build_c_cast): Remove dead code.
5524 2000-05-06 Richard Henderson <rth@cygnus.com>
5526 * flow.c (split_edge): Don't allocate global_live_at_start for
5527 the new block unless the old blocks had them as well.
5529 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5531 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5532 test_bb if a or b uses x.
5534 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5536 * cpphash.h: Remove conditional #define of __extension__.
5537 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5538 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5539 (ENABLE_RTL_CHECKING only).
5540 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5541 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5542 (ENABLE_TREE_CHECKING only).
5543 * varray.h: Add __extension__ to VARRAY_CHECK macro
5544 (ENABLE_CHECKING only).
5546 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5548 Use new tail-calling mechanism on ARM.
5549 * arm.md (sibcall, sibcall_value): New expands.
5550 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5551 (tailcalling peepholes): Delete.
5552 (push_multi): Simplify.
5553 * arm.c (lr_save_eliminated): Delete definition.
5554 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5555 (output_return_instruction): Remove checks on lr_save_eliminated.
5556 (output_arm_prologue): Remove old tail-calling code.
5557 (arm_output_epilogue): New parameter, really_return. All callers
5558 changed. Handle tail-calling epilogues.
5559 * arm.h (lr_save_eliminated): Delete declaration.
5560 (frame_pointer_needed): Delete declaration.
5561 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5563 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5565 * arm.c (thumb_code): Define it.
5566 (arm_override_options): Set it.
5567 * arm.h (thumb_code): Declare it.
5569 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5571 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5573 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5575 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5576 bogus clobber to insns.
5577 (load_multiple_operation, store_mulitple_operation): Don't check
5579 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5581 * arm.md (and_scc, ior_scc): Add missing mode.
5583 * arm.md (call_value_symbol): Remove predicate from op2.
5585 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5587 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5589 * expr.c (get_subtarget): New function.
5590 (force_operand, expand_expr, do_store_flag): Use it.
5592 * toplev.c (compile_file): Don't take strlen of NAME if null.
5594 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5596 * xcoffout.c (xcoff_current_include_file,
5597 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5598 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5600 (xcoffout_declare_function): Make name 'const char *'.
5601 (xcoffout_end_epilogue): Make fname 'const char *'
5602 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5603 xcoffout_declare_function, xcoffout_source_line): Match above.
5605 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5607 * rs6000.c (print_operand): Fix lossage typo.
5608 (output_cbranch): Remove "cr" decoration for now.
5609 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5611 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5613 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5616 2000-05-05 Bruce Korb <bkorb@gnu.org>
5618 * fixinc/genfixes: Improve the matching for make target names
5620 2000-05-05 Catherine Moore <clm@cygnus.com>
5622 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5623 attribute to the decl.
5624 * c-decl.c (pushdecl): Propagate the USED attribute to the
5627 2000-05-05 Richard Henderson <rth@cygnus.com>
5629 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5630 same way emit_group_load does.
5632 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5634 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5636 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5639 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5641 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5643 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5645 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5646 to support -shared, on platforms with dynamic libraries.
5648 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5650 * system.h (S_ISBLK): Provide fallback definition.
5652 2000-05-05 Geoff Berry <geoffb@bops.com>
5654 * extend.texi (Extended Asm): Document inability to give asm
5655 statements access to condition codes.
5657 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5659 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5660 as arg 2 of UNIQUE_SECTION.
5662 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5664 * predict.c: Remove May 4 change.
5665 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5666 if we have predicted the branch at 50-50 probability.
5668 2000-05-05 Richard Henderson <rth@cygnus.com>
5670 * flow.c (init_propagate_block_info): Fix merge error
5671 in HAVE_conditional_execution code.
5673 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5675 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5676 shift cycle for unknown shift count. Also generates dec + brpl.
5677 (ashlqi3_out): Don't generate dec + brpl which now generates by
5678 `out_shift_with_cnt'.
5679 (ashlhi3_out): Likewise.
5680 (ashlsi3_out): Likewise.
5681 (ashrqi3_out): Likewise.
5682 (ashrhi3_out): Likewise.
5683 (ashrsi3_out): Likewise.
5684 (lshrqi3_out): Likewise.
5685 (lshrhi3_out): Likewise.
5686 (lshrsi3_out): Likewise.
5688 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5690 * gcc.c (free_split_directories): Correct typo in explanation
5691 of make_relative_prefix.
5693 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5695 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5696 comparison codes to branch_comparison_operator.
5698 2000-05-04 Richard Henderson <rth@cygnus.com>
5700 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5702 2000-05-04 Richard Henderson <rth@cygnus.com>
5704 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5705 (DPBIT_FUNCS): Remove _sf_to_usi.
5706 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5708 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5709 between condition and jump.
5711 * libgcc2.c (near eh_context_specific): Comment #endif string.
5712 * longlong.h: Don't use strings with embedded newlines.
5714 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5716 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5717 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5718 (print_operand): Delete %t and %T codes.
5719 (output_cbranch): New function. Support branch prediction.
5720 * config/rs6000/rs6000.md: Use output_cbranch for
5721 conditional branches and returns.
5723 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5725 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5726 * stor-layout.c (place_field): Likewise.
5727 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5728 * expr.c (store_expr): Make align unsigned.
5729 * explow.c (plus_constant_wide): Make low words unsigned.
5730 * expmed.c (choose_multiplier): Likewise.
5731 * fold-const.c (fold): Likewise.
5732 * tree.h (build_int_2): Likewise.
5733 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5734 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5735 (init_emit): Change cast to unsigned char*.
5736 * varasm.c (compare_constant_1): Add cast to char*.
5737 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5738 * reload1.c (reload): Likewise.
5740 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5742 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5744 * predict.c (estimate_probability): If no prediction was found, then
5745 predict the successor that is the next physical block (if such a
5748 2000-05-04 Richard Henderson <rth@cygnus.com>
5750 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5752 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5754 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5756 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5758 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5759 attribute macros from here ...
5760 (CPP_SPEC): to here.
5761 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5762 (CPP_SPEC): Likewise.
5763 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5765 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5766 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5768 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5770 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5772 * diagnostic (vbuild_message_string, build_message_string,
5773 build_location_prefix, output_get_prefix, init_output_buffer,
5774 output_notice, vline_wrapper_message_with_location,
5775 v_message_with_decl, default_print_error_function): De-constify.
5776 (set_real_maximum_length): Prototype.
5778 * diagnostic.h (struct output_buffer, init_output_buffer,
5779 output_get_prefix, output_set_prefix): De-constify.
5781 * function.c (init_function_start): Constify.
5783 * gensupport.c (remove_constraints, process_rtx): Prototype.
5785 * gthr-posix.h: Indent uses of #pragma.
5787 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5790 * predict.c (find_expected_value): Delete prototype.
5791 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5793 * sbitmap.h (debug_sbitmap): Prototype.
5795 * ssa.c (compute_coalesced_reg_partition): Prototype.
5797 * stor-layout.c (debug_rli): Prototype.
5799 * tree.h (round_down): Prototype.
5800 (init_function_start): Constify.
5802 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5804 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5805 (overly conservative). Change extern inline wrappers to
5806 static inline, define them always, use PARAMS properly.
5807 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5808 whitespace warnings for \f and \v at the beginning of a line.
5810 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5812 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5815 2000-05-04 Bruce Korb <bkorb@gnu.org>
5817 * fixincl/inclhack.def: added broken_cabs -
5818 Remove `extern double cabs' declarations from math.h
5819 * fixincl/inclhack.sh: regen
5820 * fixincl/fixincl.x: regen
5821 * fixincl/fixincl.c: Remove BOGOSITY code
5822 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5824 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5826 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5828 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5829 when calling MEM_COPY_ATTRIBUTES.
5830 * emit-rtl.c (operand_subword, change_address): Likewise.
5831 * explow.c (stabilize): Likewise.
5832 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5833 * integrate.c (copy_rtx_and_substitute): Likewise.
5834 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5835 when calling MEM_COPY_ATTRIBUTES.
5836 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5838 * cse.c (gen_lowpart_if_possible): Likewise.
5839 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5840 * optabs.c (gen_move_insn): Likewise.
5841 * recog.c (validate_replace_rtx_1): Likewise.
5842 * simplify-rtx.c (add_mem_for_addr): Likewise.
5843 * stmt.c (expand_anon_union_decl): Likewise.
5844 * config/arm/arm.md: Likewise.
5845 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5846 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5847 (block_move_no_loop, block_move_sequence): Likewise.
5848 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5849 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5850 Clear MEM_ALIAS_SET.
5851 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5852 MEM_COPY_ATTRIBUTES.
5854 2000-05-03 Robert Lipe <robertlipe@usa.net>
5856 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5857 to suppress libgcc1.
5858 (i[34567]86-*-sco3.2v5*) Likewise.
5859 (i[34567]86-*-sco3.2v4*) Likewise.
5860 (i[34567]86-*-sco) Likewise.
5861 (i[34567]86-*-solaris2) Likewise.
5862 (i[34567]86-*-sysv5*) Likewise.
5863 (i[34567]86-*-sysv4*) Likewise.
5864 (i[34567]86-*-udk*) Likewise.
5865 (i[34567]86-*-sysv*) Likewise.
5867 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5869 * cpphash.h (U): New define, to correct type of string constants.
5870 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5871 routines, to do casts when passing unsigned strings to libc.
5872 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5874 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5875 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5876 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5877 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5878 second argument an U_CHAR *.
5880 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5881 length field, clean up initializer.
5882 (ISTABLE): Add __extension__ to designated-
5883 initializers version.
5884 * cpplex.c (CHARTAB): Likewise.
5886 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5887 case so the file won't be empty.
5889 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5891 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5892 (REORDER_BLOCK_SUCC): Removed.
5893 (enum reorder_skip_type): Removed.
5894 (skip_insns_between_block): Renamed to skip_insns_after_block.
5895 Removed second argument. Removed dead code and cleaned up.
5896 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5897 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5898 second parameter to skip_insns_after_block.
5900 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5902 * tree.c (staticp, case LABEL_DECL): New case.
5904 2000-05-03 Richard Henderson <rth@cygnus.com>
5906 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5908 * mklibgcc1.in: Fix typo last change.
5910 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5912 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
5913 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
5914 (GCC_CFLAGS): Use it.
5915 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
5916 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
5917 objc/Make-lang.in: Use it.
5919 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
5921 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5923 2000-05-03 Richard Henderson <rth@cygnus.com>
5925 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
5926 LIBGCC1 empty with libgcc1.null.
5928 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
5930 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
5933 2000-05-03 Greg McGary <gkm@gnu.org>
5935 * tree.h (tree_common): Add bounded_flag member. Remove
5936 inaccurate comment about number of remaining bits.
5937 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
5938 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
5939 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
5940 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
5941 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
5942 (TYPE_QUAL_BOUNDED): New constant.
5943 (TYPE_QUALS): Handle bounded qualifier.
5944 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
5945 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
5946 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
5947 TYPE_AMBIENT_BOUNDEDNESS): New macros.
5948 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
5949 (tree_type): Add pointer_depth member. Remove
5950 inaccurate comment about number of remaining bits.
5951 (DECL_POINTER_DEPTH): Add macro.
5952 (tree_decl): Add pointer_depth member.
5954 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
5956 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
5957 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
5958 (lshrhi3_out): Likewise.
5959 (ashrsi3_out): bugfix in shift by 8.
5960 (test_hard_reg_class): New function.
5961 * config/avr/avr.md: Bugfix inside conditions in peepholes.
5962 (ashlhi3): removed define_expand of this pattern.
5963 (*ashlhi3_insn): renamed to ashlhi3.
5964 (ashlsi3): removed define_expand of this pattern.
5965 (*ashlsi3_insn): renamed to ashlsi3.
5966 (ashrqi3): removed define_expand of this pattern.
5967 (*ashrqi3_insn): renamed to ashrqi3.
5968 (ashrhi3): removed define_expand of this pattern.
5969 (*ashrhi3_insn): renamed to ashrhi3.
5970 (ashrsi3): removed define_expand of this pattern.
5971 (*ashrsi3_insn): renamed to ashrsi3.
5972 (lshrhi3): removed define_expand of this pattern.
5973 (*lshrhi3_insn): renamed to lshrhi3.
5974 (lshrsi3): removed define_expand of this pattern.
5975 (*lshrsi3_insn): renamed to lshrsi3.
5977 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
5979 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
5980 inclusion of "system.h".
5982 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
5984 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
5987 2000-05-03 David Mosberger <davidm@hpl.hp.com>
5989 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
5990 if -mauto-pic is on.
5991 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
5992 -mconstant-gp is in effect and function-descriptors are being used
5993 to make indirect calls.
5994 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
5995 (MASK_AUTO_PIC): Ditto.
5996 (TARGET_CONST_GP): Ditto.
5997 (TARGET_AUTO_PIC): Ditto.
5998 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
5999 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6000 -mno-pic is in effect.
6001 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6002 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6003 -mauto-pic is in effect.
6004 (gprel64_offset): New pattern.
6005 (load_gprel64): Ditto.
6006 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6007 -mconstant-gp is in effect, no need to preserve gp around direct
6009 (call_value): Ditto.
6010 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6011 (FUNCTION_PROFILER): Define.
6012 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6013 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6014 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6016 2000-05-03 Richard Henderson <rth@cygnus.com>
6018 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6019 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6020 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6021 (mklibgcc, libgcc.mk): New targets.
6022 (libgcc.a): Use libgcc.mk.
6023 (stmp-multilib): Likewise.
6024 (stmp-multilib-sub): Remove.
6025 (mostlyclean): Don't delete libgcc2 temp files.
6026 * configure.in (AC_PROG_CC_C_O): Add.
6027 (NO_MINUS_C_MINUS_O): Substitute it.
6028 (all_outputs): Add mklibgcc.
6029 * mklibgcc.in: New file.
6031 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6033 * cppexp.c (op_t): Make an int.
6035 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6037 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6039 * gensupport.c (process_rtx): Fix macros used.
6041 2000-05-03 Richard Henderson <rth@cygnus.com>
6043 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6044 call-clobbered registers of a call.
6046 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6048 * gensupport.c: New file.
6049 * gensupport.h: New file.
6050 * Makefile.in (HOST_RTL): Depend on gensupport.
6051 (gensupport.o) New rule.
6052 * genattr.c: Use gensupport for reading .md files.
6053 * genattrtab.c: Ditto.
6054 * gencodes.c: Ditto.
6055 * genconfig.c: Ditto.
6057 * genextract.c: Ditto.
6058 * genflags.c: Ditto.
6059 * genopinit.c: Ditto.
6060 * genoutput.c: Ditto.
6062 * genrecog.c: Ditto.
6063 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6064 * md.texi (Insn Splitting): Document define_insn_and_split.
6066 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6068 * flow.c (verify_flow_info): Added two more sanity checks. The
6069 first checks that the blocks are numbered consecutively. The second
6070 checks that n_basic_blocks is actually equal to the number of
6071 basic blocks in the insn chain.
6073 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6075 * cpplib.h: Add accessor macros for token lists.
6076 * cpplib.c, cpphash.c, cpplex.c: Use them.
6078 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6080 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6081 memory usage if not in a function.
6082 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6083 return address if static.
6085 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6087 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6088 whether address may trap.
6090 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6092 * bb-reorder (chain_reorder_blocks): Changed code to test for
6093 EDGE_FALLTHRU rather than making erroneous assumption that the
6094 first outgoing edge is the fall-through edge.
6096 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6098 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6099 ABI for varargs, across all MIPS. This is incompatible because the
6100 va_list (__builtin_va_list) structure is different, so a compilation
6101 unit passing a va_list and a compilation unit being passed one, should
6102 both be compiled with the same ABI. (The old structure had two
6103 pointers, now it has three.)
6105 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6107 * bb-reorder.c (struct reorder_block_def): Remove members end,
6108 block_begin, and block_end.
6109 (REORDER_BLOCK_OLD_END): Delete.
6110 (REORDER_BLOCK_BEGIN): Delete.
6111 (REORDER_BLOCK_END): Delete.
6112 (chain_reorder_blocks): Remove dead code.
6114 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6116 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6117 notes as the end of a basic block before deleting.
6119 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6121 * final.c (final_start_function): Fix spelling of "necessary".
6123 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6125 * toplev.c (debug_ignore_block): Return int.
6126 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6127 * toplev.h, dwarf2out.h: Adjust.
6128 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6130 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6131 * toplev.c, final.c, rtl.h: Adjust.
6133 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6135 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6136 * configure.in: Look for makeinfo in the unified tree, then
6137 for a system makeinfo which is sufficiently new.
6138 * Makefile.in: If configure says makeinfo is too old, don't
6139 build or install Info documentation.
6141 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6143 * cpphash.c (collect_params): Fix off-by-one error.
6144 (dump_hash_helper): Dump all four macro nodetypes.
6146 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6148 * cpphash.c (trad_stringify): Adjust p after stringification as
6151 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6153 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6154 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6156 * cppfiles.c (file_cleanup): Delete.
6157 * cpphash.c (macro_cleanup): Delete.
6158 (collect_objlike_expansion, collect_funlike_expansion,
6159 macarg, scan_arguments): Remove CPP_POP case.
6161 * cpplex.c (null_cleanup): Delete.
6162 (cpp_pop_buffer): Do the work that was done in the cleanups
6163 here. Call _cpp_unwind_if_stack from here.
6164 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6165 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6166 stack is the buffer _below_ the one we stacked.
6167 (cpp_get_token): Always pop an exhausted buffer. Return
6168 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6169 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6170 increment the line number.
6171 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6173 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6174 we see CPP_EOF and the top of stack is the buffer _below_ the
6176 * scan-decls.c: Likewise.
6178 2000-05-02 Andrew Haley <aph@cygnus.com>
6180 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6181 where this function is called for the second time on a decl that
6182 has had its section info changed in such a way as to move it out
6184 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6186 2000-05-01 Richard Henderson <rth@cygnus.com>
6188 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6189 the sequence we're moving, not to merge_bb->head.
6191 2000-05-01 Richard Henderson <rth@cygnus.com>
6193 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6194 reference to alpha/t-linux.
6195 (alpha*-*-linux-gnu*): Likewise.
6196 * configure: Rebuild.
6198 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6200 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6203 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6205 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6207 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6210 2000-05-01 Richard Henderson <rth@cygnus.com>
6212 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6213 emit_conditional_move.
6215 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6217 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6218 as the dynamic linker.
6220 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6222 * cppfiles.c (open_include_file): Open file in blocking mode.
6223 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6224 Only exclude block devices and directories.
6226 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6227 static. Allocate the hashnode and its string in the same
6229 (del_HASHNODE): Don't free h->name.
6230 (_cpp_lookup): If there is no entry for this string, create
6231 one, of type T_VOID.
6232 (_cpp_lookup_slot): Delete.
6233 * cpphash.h: Update prototypes.
6235 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6237 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6238 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6239 node here, just fill in the value field properly. "Delete"
6240 entries by setting the value field to T_VOID. Check for
6241 hp->type == T_VOID, not hp == NULL.
6243 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6244 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6247 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6249 * config/mn10300/mn10300.c (print_operand_address): Do not add
6252 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6253 adjusted by less than 256 bytes, use ret regardless of having any
6254 callee-saved register to restore.
6256 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6258 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6260 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6262 * config/i386/djgpp.h (INT_ASM_OP): Define.
6263 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6264 (ASM_WEAKEN_LABEL): Define.
6265 (MASK_BNU210): Define.
6266 (SUBTARGET_SWITCHES): Define.
6267 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6268 (MAKE_DECL_ONE_ONLY): Define.
6269 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6271 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6273 * i386/cygwin.h (INT_ASM_OP): Define.
6275 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6277 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6278 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6280 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6282 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6283 __tmp_reg__ and __zero_reg__ initialization.
6285 2000-04-30 Richard Henderson <rth@cygnus.com>
6287 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6289 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6290 referenced bewteen the condition and the jump. Don't delete
6291 anything but the jump.
6293 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6295 * bb-reorder.c (scope_def): New struct.
6296 (scope_forest_info): New struct.
6297 (struct reorder_block_def): New member "scope".
6298 (REORDER_BLOCK_SCOPE): New macro.
6299 (relate_bbs_with_scopes): New function and prototype.
6300 (make_new_scope): Likewise.
6301 (build_scope_forest): Likewise.
6302 (remove_scope_notes): Likewise.
6303 (insert_intra_1): Likewise.
6304 (insert_intra_bb_scope_notes): Likewise.
6305 (insert_inter_bb_scope_notes): Likewise.
6306 (rebuild_scope_notes): Likewise.
6307 (free_scope_forest_1): Likewise.
6308 (free_scope_forest): Likewise.
6309 (dump_scope_forest): Likewise.
6310 (dump_scope_forest_1): Likewise.
6311 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6312 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6314 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6315 and remove_scope_notes before reordering is done. Added calls to
6316 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6317 after reordering is done.
6319 2000-40-30 Bruce Korb <bkorb@gnu.org>
6321 * fixinc/inclhack.def: Added definitions needed by OSR5,
6322 removed two stale entries (defined away with OLD_CPP).
6323 * fixinc/inclhack.sh: regen
6324 * fixinc/fixincl.x: regen
6326 2000-04-30 Richard Henderson <rth@cygnus.com>
6328 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6329 from the last insn in the sequence.
6331 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6333 * cpplex.c (cpp_idcmp): New function.
6334 * cpplib.h: Prototype it.
6335 * scan_decls.c (scan_decls): Use it to inspect token names.
6336 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6337 the file being run through the preprocessor.
6338 (check_macro_names): Provide length of token to cpp_defined.
6340 * Makefile.in: Remove stale warning message.
6342 * cppfiles.c (redundant_include_p): Provide length of token to
6344 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6345 values are unsigned int.
6346 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6347 (_cpp_lookup_slot): Do not calculate the hash, either.
6348 * cpphash.h: Update prototypes.
6349 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6350 Hashes are unsigned int. Calculate hash here, pass by value
6351 to _cpp_lookup_slot.
6353 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6355 * simplify-rtx.c (check_value_useless): Delete function.
6356 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6358 (cselib_invalidate_regno): Likewise.
6359 (cselib_invalidate_mem_1): Likewise.
6360 (references_value_p): Recognize useless values by the fact that they
6362 (discard_useless_values): Likewise.
6363 (cselib_record_set): This may turn a useless value
6366 2000-04-30 Richard Henderson <rth@cygnus.com>
6368 * config/d30v: New port.
6370 * configure.in (d30v-*): Set fp format.
6371 * configure: Rebuild.
6373 2000-04-30 Richard Henderson <rth@cygnus.com>
6375 * ifcvt.c: New file.
6376 * Makefile.in (OBJS): Add it.
6377 (ifcvt.o): New target.
6378 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6379 and conditional arithmetic.
6380 (find_insert_position): Remove.
6381 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6382 * toplev.c (DFI_ce, DFI_ce2): New.
6383 (dump_file): Add ce and ce2 dumps.
6384 (rest_of_compilation): Run if_convert a couple o times. Set
6385 cse_not_expected after cse2. Don't set no_new_pseudos until
6386 after sched1 or recompute_reg_usage.
6388 2000-04-30 Richard Henderson <rth@cygnus.com>
6390 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6391 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6393 2000-04-30 Richard Henderson <rth@cygnus.com>
6395 * flow.c (struct reg_cond_life_info): New.
6396 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6397 (init_propagate_block_info): Initialize them.
6398 (free_propagate_block_info): Destruct them.
6399 (mark_set_1): Consider conditional life before killing a register.
6400 (mark_regno_cond_dead): New.
6401 (free_reg_cond_life_info): New.
6402 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6403 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6404 (mark_used_reg): Record conditional life.
6406 * haifa-sched.c (schedule_insns): Disable death counting
6407 sanity check for HAVE_conditional_execution.
6409 2000-04-30 Richard Henderson <rth@cygnus.com>
6411 * Makefile.in (TIMEVAR_H): New.
6412 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6413 (timevar.h): Remove rule.
6415 2000-04-29 Richard Henderson <rth@cygnus.com>
6417 * config/alpha/crtend.asm: Use C comments instead of #.
6418 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6420 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6422 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6424 * cpphash.h (enum node_type: Take out T_MCONST.
6425 (union hashval): Move into struct hashnode.
6426 (struct hashnode): Pack tighter. Remove file, line, col
6428 * cpphash.c: Constify most of the macro-definition structures.
6429 (struct definition): Replace by struct object_defn
6430 and struct funct_defn. Put file, line, column information
6431 here. All users updated to match.
6432 (_cpp_create_definition, _cpp_macroexpand): Remove special
6433 case for #define WORD OTHERWORD.
6434 * cpplib.c (do_undef): Remove T_MCONST case.
6436 * cpphash.h: Move struct reflist, struct definition, and the
6437 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6438 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6439 * cpphash.c (_cpp_free_definition): Free data pointed to by
6440 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6441 (_cpp_create_definition, del_HASHNODE): Just call
6442 _cpp_free_definition to clear out a hashnode.
6443 * cpplib.c (do_pragma_poison): Likewise.
6445 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6447 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6448 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6449 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6450 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6451 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6452 REGNO_AM33_P): Redefine in terms of the new macros.
6453 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6454 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6455 STRUCT_VALUE): Likewise.
6456 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6457 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6459 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6461 * regmove.c (struct record_stack_memrefs_data): New.
6462 (record_stack_memrefs): New function.
6463 (combine_stack_adjustments_for_block): Use it.
6465 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6467 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6468 use special_function_p to detect alloca.
6470 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6472 * gcc.texi: Fixes for makeinfo 4.0 --html.
6474 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6476 * pcp.h: Delete file.
6478 2000-04-28 Kazu Hirata <kazu@hxi.com>
6480 * h8300.c (function_epilogue): Clean up flags when the last insn
6481 in a function is a barrier.
6483 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6485 * configure.in (sparc-hal-solaris2*): protect [] glob from
6487 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6488 rather than hard-coded constants in target_cpu_default2.
6489 * configure: Regenerate.
6491 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6493 * tree.c (get_callee_fndecl): Extract the initial value from
6496 2000-04-28 Richard Henderson <rth@cygnus.com>
6498 * varasm.c (record_constant_1): Record the CODE_LABEL when
6499 taking the address of a LABEL_REF.
6501 2000-04-28 Richard Henderson <rth@cygnus.com>
6502 Jan Hubicka <jh@suse.cz>
6504 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6505 adjustment; don't do the stack adjust.
6506 (expand_call): Call compute_argument_block_size right before
6507 allocating the block; update comment; don't do alignment sanity
6508 checking for sibling call; use args_size instead of
6509 unadjusted_args_size before args_size is adjusted. Use
6510 combine_pending_stack_adjustment_and_call to compute stack adjust
6511 for must_preallocate case.
6513 * expr.c (push_block): Remove shadow `temp' in inner scope.
6515 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6517 * toplev.c (rest_of_compilation): Call
6518 note_deferral_of_defined_inline_function even if the function
6521 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6523 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6525 2000-04-28 Richard Henderson <rth@cygnus.com>
6527 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6529 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6531 * timevar.c (init_timevar): DeANSIfy function definition.
6533 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6535 * Makefile.in (timevar.o): Depend on flags.h.
6536 * timevar.c (unused_stack_instances): New variable.
6537 (timevar_push): Take a timevar_stack_def from
6538 unused_stack_instances if available.
6539 (timevar_pop): Push the popped timevar_stack_def onto
6540 unused_stack_instances.
6541 (TIMEVAR_ENABLE): New macro.
6542 (timevar_def): Make standalone a 1-bit field. Add field used.
6543 (get_time): Rename parameter to now. Return after clearing it if
6545 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6546 (timevar_pop): Likewise.
6547 (timevar_stop): Likewise.
6548 (timevar_push): Likewise. Mark the timing variable as used.
6549 (timevar_start): Likewise.
6550 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6551 timevars that were never used.
6553 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6555 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6556 always TREE_READONLY.
6558 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6560 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6561 for call instruction with mode QImode.
6563 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6565 * Makefile.in (OBJS): Add timevar.o.
6566 (toplev.o): Depend on timevar.h.
6567 (ggc-simple.o): Likewise.
6568 (ggc-page.o): Likewise.
6569 (timevar.o): New rule.
6570 (timevar.h): New rule.
6572 * timevar.h: New file.
6573 * timevar.c: Likewise.
6574 * timevar.def: Likewise.
6576 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6577 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6579 (TIMEVAR): Remove macro.
6580 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6581 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6582 flow_time, combine_time, regmove_time, sched_time,
6583 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6584 sched2_time, dbr_sched_time, reorder_blocks_time,
6585 rename_registers_time, shorten_branch_time, stack_reg_time,
6586 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6588 (compile_file): Don't initialize time variables. Call
6589 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6590 of many calls to print_time.
6591 (rest_of_compilation): Add timing for reload_cse_regs.
6592 (get_run_time): Removed to timevar.c.
6593 (print_time): Likewise.
6594 (get_run_time): Implement using TV_TOTAL time variable.
6595 (print_time): Get total run time from get_run_time.
6596 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6597 computing elapsed time explicitly.
6598 * ggc-simple.c (ggc_collect): Likewise.
6599 (gc_time): Remove declaration.
6601 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6603 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6604 (expand_call): Use it.
6606 2000-04-27 Jan Hubicka <jh@suse.cz>
6608 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6611 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6613 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6616 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6618 * function.c (epilogue_done): Pass whole insn to record_insns.
6620 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6622 * cse.c (CSE_ADDRESS_COST): Remove.
6623 (find_best_addr): Add new parameter "MODE", use address_cost instead
6625 (address_cost): New.
6626 (fold_rtx): Update call of find_best_addr.
6627 * rtl.h (address_cost): Declare.
6628 * loop.c (general_induction_var): Add new parameter "MODE", use
6629 address_cost instead of ADDRESS_COST
6630 (init_loop): Use address_cost instead of ADDRESS_COST.
6631 (check_insn_for_givs): Update call of general_induction_var.
6632 (find_mem_givs): Likewise.
6633 (consec_sets_giv): Likewise.
6634 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6635 * i386.c (ix86_address_cost): New.
6636 * i386-protos.h (ix86_address_cost): Declare.
6638 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6640 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6643 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6645 * expr.c (store_expr): Use clear_storage instead of direct memset
6648 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6650 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6651 ASHIFT, AND and LABEL_REF.
6653 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6655 * invoke.texi (-foptimize-sibling-calls): Fix.
6657 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6659 * loop.c (load_mems) Don't use hard registers for the hoisting.
6661 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6662 calculation; rename const_equiv array in the preconditioning code
6663 from loop_unroll to loop_unroll_precondition
6665 2000-04-27 Richard Henderson <rth@cygnus.com>
6667 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6669 (propagate_one_insn): Clear it. Don't update reg_live here.
6670 (init_propagate_block_info): Update for pbi member changes.
6671 (free_propagate_block_info): Likewise.
6672 (mark_set_1): Know that zero_extract, sign_extract, and
6673 strict_low_part don't kill their argument. Alter hard subregs.
6674 Update new_set for non-CLOBBER sets. Update reg_live.
6675 (find_auto_inc): Update reg_live, not new_dead.
6676 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6677 to determine if the reg in question was set this insn. Only update
6678 reg info with PROP_REG_INFO.
6680 2000-04-26 Richard Henderson <rth@cygnus.com>
6682 * flow.c (allocate_reg_life_data): Set max_regno here ...
6683 (life_analysis): ... not here.
6685 * flow.c (calculate_global_regs_live): Force stack pointer
6688 2000-04-26 Richard Henderson <rth@cygnus.com>
6690 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6691 commit change group changes.
6692 (invert_exp_1): Similarly.
6693 (redirect_exp, invert_exp): Use them.
6694 (redirect_jump_1): New.
6695 (invert_jump_1): New.
6696 (jump_optimize_1): Remove code subsumed by condexec.c.
6697 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6699 2000-04-26 Richard Henderson <rth@cygnus.com>
6701 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6703 * genconfig.c (main): Set all HAVE_foo to 1.
6705 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6707 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6709 * invoke.texi: Document -fssa flag.
6711 2000-04-26 Richard Henderson <rth@cygnus.com>
6713 * flow.c (count_reg_sets_1): Remove.
6714 (count_reg_sets, count_reg_references): Remove.
6715 (recompute_reg_usage): Implement with update_life_info.
6716 Reallocate life data.
6718 2000-04-26 Richard Henderson <rth@cygnus.com>
6720 * flow.c (update_life_info): Consider blocks null to mean the
6722 (calculate_global_regs_live): Likewise.
6723 (life_analysis): Do that instead of collecting all_blocks.
6725 2000-04-26 Richard Henderson <rth@cygnus.com>
6727 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6728 a still-valid conditional jump.
6730 2000-04-26 Richard Henderson <rth@cygnus.com>
6732 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6734 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6735 * flow.c (calculate_loop_depth): Remove.
6736 * output.h (calculate_loop_depth): Don't declare.
6737 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6738 inline; run estimate_probability at the same time.
6740 2000-04-26 Neil Booth <NeilB@earthling.net>
6742 * cpplib.h: "~=" is not a single pp-token.
6743 * cpplex.c: Correct commentary.
6745 2000-04-26 Richard Henderson <rth@cygnus.com>
6747 * flow.c (mark_set_1): New arguments code and flags; update all
6748 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6749 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6750 loop_depth when optimizing for size. Do new_dead update after
6751 emitting REG_UNUSED notes. Merge mark_set_reg code.
6752 (mark_set_reg): Remove.
6753 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6754 arrange to not emit REG_UNUSED notes.
6756 2000-04-26 Richard Henderson <rth@cygnus.com>
6758 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6759 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6761 2000-04-26 Richard Henderson <rth@cygnus.com>
6763 * flow.c (propagate_one_insn): Break out from propagate_block.
6764 (init_propagate_block_info): Likewise.
6765 (free_propagate_block_info): Likewise.
6766 (propagate_block): Use them. Export.
6767 * basic-block.h: Declare them all.
6769 2000-04-26 Richard Henderson <rth@cygnus.com>
6771 * basic-block.h (life_analysis): Declare here ...
6772 * output.h: ... not here.
6773 * flow.c (life_analysis): Remove nregs parameter; replace
6774 remove_dead_code with flags. Remove ssa dead code check.
6775 Only init alias analysis if we'll use it.
6776 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6777 * ssa.c (convert_to_ssa): Likewise.
6778 (convert_from_ssa): Likewise.
6779 * toplev.c (rest_of_compilation): Likewise.
6781 2000-04-26 Richard Henderson <rth@cygnus.com>
6783 * flow.c (flow_delete_block): Rename from delete_block. Export.
6784 * basic-block.h (flow_delete_block): Declare.
6786 2000-04-26 David S. Miller <davem@redhat.com>
6788 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6789 taking a PATTERN of it.
6791 2000-04-26 <NeilB@earthling.net>
6793 * cpplex.c (spell_other, spell_char): Remove.
6795 (token_spelling, trigraph_map): Use unsigned chars.
6796 (_cpp_lex_line): Tidy up the switch statement.
6797 * cpplib.h: Implement spell_char with spell_string.
6800 2000-04-26 <RodneyBrown@pmsc.com>
6802 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6803 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6805 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6807 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6808 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6809 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6810 dwarf2out_return_save, dwarf2out_return_reg,
6811 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6812 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6813 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6815 * dwarf2out.h (dwarf2out_init): Likewise.
6817 * dwarfout.c (filename_entry, primary_filename, last_filename,
6818 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6820 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6821 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6822 dwarf2out_return_reg): Likewise.
6824 2000-04-26 Andreas Jaeger <aj@suse.de>
6826 * extend.texi (Function Attributes): Fix description of pure
6829 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6831 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6832 before calling rest_of_compilation.
6834 2000-04-26 Andreas Jaeger <aj@suse.de>
6836 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6839 2000-04-25 Richard Henderson <rth@cygnus.com>
6841 * cse.c (cse_insn): Emit barrier after unconditional jump.
6843 * calls.c (expand_call): Disable tail call generation once
6844 rtx_equal_function_value_matters is false.
6846 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6849 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6851 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6853 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6855 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6856 is the primary DIE for a member function.
6857 (gen_decl_die): Call set_decl_origin_self here.
6858 * dwarfout.c (output_decl): And here.
6859 * integrate.c (output_inline_function): Not here.
6860 Don't clear DECL_INLINE until after calling rest_of_compilation.
6861 (set_decl_origin_self): No longer static.
6862 * tree.h: Add prototype.
6863 * toplev.c (note_deferral_of_defined_inline_function): Only write
6864 out abstract instance for actual inlines.
6866 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6868 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6869 EXTENDED_REGS only if TARGET_AM33.
6870 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6871 SP_REGS to register allocation and reloading unless absolutely
6873 (movsi3): Remove special-case of adding non-constants to SP.
6875 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6877 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6878 INCLUDES to search and does not provide any of its own. Also it
6879 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6880 parameters. Also it does not call AC_DEFINE.
6881 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6882 AC_DEFINE and provides for automatic entries for autoheader.
6883 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6885 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6886 so we can pass -I flags and include gansidecl.h/system.h in this
6889 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6891 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6893 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6894 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6895 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6897 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6898 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6899 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6900 for these macros. Clean up spacing and linewraps.
6902 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6904 * calls.c (expand_call): Use get_callee_fndecl.
6906 * print-tree.c (print_node): Print the chain of an _EXPR.
6908 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6909 Jim Wilson <wilson@cygnus.com>
6910 Andrew Haley <aph@cygnus.com>
6912 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
6913 and gp save/restore problems.
6914 * config/ia64/crtend.asm: Add IA-64 unwind support.
6915 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
6916 in fr_pad_size calculation.
6917 (save_restore_insns): Move PR save area. Correct uses of
6918 RTX_FRAME_RELATED_P.
6919 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
6920 (ia64_expand_epilogue): Add eh_epilogue support.
6921 (ia64_function_prologue): Emit .prologue directive.
6922 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
6923 (ia64_override_options): Set init_machine_status and
6924 mark_machine_status.
6925 (rtx_needs_barrier): Handle bsp reads and writes.
6926 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
6927 New static variables.
6928 (process_set, process_for_unwind_directive): New functions.
6929 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
6930 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
6931 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
6933 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
6934 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
6935 (struct machine_function): Define.
6936 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6938 2000-04-25 Bruce Korb <bkorb@gnu.org>
6940 * fixinc/Makefile.in: make the removal of old programs more
6942 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
6943 install-bin and install-sh
6945 2000-04-25 Nick Clifton <nickc@cygnus.com>
6947 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
6948 defined, define to return zero.
6949 (function_cannot_inline_p): If a function has any target
6950 specific attributes, then use the macro
6951 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
6952 whether it can be inlined. If it cannot, issue a suitable
6955 * tm.texi: Add a new node 'Inlining' to document the new macro
6956 FUNCTION_ATTRIBUTE_INLINABLE_P.
6958 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
6960 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6963 2000-04-25 Neil Booth <NeilB@earthling.net>
6965 Restore previous patch, plus the following fixes:
6967 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
6968 flags, not CPP_OPEN_PAREN.
6969 * cpplex.c (expand_token_space, init_token_list,
6970 cpp_free_token_list): Put the dummy token at list->tokens[-1].
6971 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
6973 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6975 * config/i386/freebsd.h (INT_ASM_OP): Define.
6977 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
6979 * loop.c (strength_reduce): Fix typo in the last checkin.
6981 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6983 * stor-layout.c (finalize_record_size): Simplify to use existing
6985 (compute_record_mode): No longer static.
6986 * tree.h (compute_record_mode): New declaration.
6988 2000-04-25 Neil Booth <NeilB@earthling.net>
6990 * Revert my patch below until cause of build failures
6993 2000-04-25 Richard Henderson <rth@cygnus.com>
6995 * combine.c (combine_instructions): Add missing argument
6998 * toplev.c (rest_of_compilation): Delay sibcall optimization
6999 until after emit_eh_context.
7001 2000-04-24 Nick Clifton <nickc@redhat.com>
7003 * combine.c (combine_instructions): Do not try to combine a
7004 sequence of insns when the second insn has been replaced by a
7007 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7009 * gcc.c (load_specs): New static function.
7010 (read_specs): Use it.
7012 * gcc.c (lookup_compiler): Make multiple passes for case
7013 insensitive filesystems.
7015 2000-04-24 Neil Booth <NeilB@earthling.net>
7017 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7018 * cpphash.h (_cpp_check_directive): new.
7019 * cpplex.c (handle_newline, cpp_free_token_list,
7020 init_trigraph_map, trigraph_ok, trigraph_replace,
7021 backslash_start, skip_block_comment, skip_line_comment,
7022 skip_whitespace, parse_name, parse_number, parse_string,
7023 copy_comment, _cpp_lex_line, spell_char, spell_string,
7024 spell_comment, spell_name, spell_other, _cpp_lex_file,
7025 _cpp_output_list): new.
7026 (expand_name_space): take length argument.
7027 (init_token_list): add comment list initialisation.
7028 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7029 instead of HSPACE_BEFORE.
7031 * cpplib.c (_cpp_check_directive): new
7032 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7033 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7034 (HSPACE_BEFORE): delete.
7035 (TTYPE_TABLE): rearrange.
7036 (struct cpp_toklist): update.
7038 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7040 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7041 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7042 argument form of AC_DEFINE.
7044 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7045 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7046 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7047 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7048 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7050 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7052 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7054 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7055 deduced.h): Use -isystem, not -I, for including system headers.
7057 2000-04-24 Nick Clifton <nickc@cygnus.com>
7059 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7060 the source register is the frame pointer or arg pointer.
7061 (addsi3_small_int): Disallow if source register is the frame
7062 pointer or arg pointer.
7064 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7066 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7067 call to AC_MSG_RESULT.
7069 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7071 * invoke.texi: Correct grammatical errors, document
7072 -fno-gnu-keywords as identical to -fno-asm for C++.
7074 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7076 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7077 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7078 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7079 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7080 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7082 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7083 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7084 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7085 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7088 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7090 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7091 (pop_alignment): Likewise.
7092 (handle_pragma_token): Likewise.
7094 2000-04-24 Robert Lipe <robertlipe@usa.net>
7096 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7098 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7100 * combine.c (try_combine): Update reg_nonzero_bits of
7101 newi2pat before newpat.
7103 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7105 * loop.c (strength_reduce): Simplify test to INSN_P.
7106 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7107 expressions instead of CONST_INT.
7108 (express_from_1): Likewise.
7110 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7112 * regs.h (reg_n_max): Don't declare.
7113 * flow.c (reg_n_max): Don't define.
7114 * regclass.c (renumber): Don't initialize to zero.
7115 (regno_allocated): Likewise.
7116 (reg_n_max): Define.
7117 (allocate_reg_info): Don't initialize unnecessarily.
7119 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7121 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7122 and blockage_p in the newly allocated attribute.
7124 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7126 * config/mn10300/mn10300.md (addsi): `inc4' on address
7127 registers does not modify cc, but `inc' on an extended
7130 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7132 * reload.c (find_equiv_reg): Checks all valueno regs
7133 as a reload_reg_p regs.
7135 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7137 * cpphash.c (collect_objlike_expansion): Add sanity check.
7138 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7139 the buffer is the empty string, return. Mark __DATE__ and
7140 __TIME__ as XCONST nodes, not MCONST.
7141 (_cpp_macroexpand): Avoid pushing an empty buffer.
7142 (funlike_macroexpand): Don't pop token_buffer here.
7144 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7146 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7147 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7148 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7149 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7150 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7151 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7152 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7154 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7156 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7159 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7161 * cpphash.h (struct definition): Move file, line, col members...
7162 (struct hashnode): ... here. Also add 'disabled' flag.
7163 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7164 T_IDENTITY. Remove T_DISABLED.
7167 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7168 (collect_expansion): Split into collect_objlike_expansion and
7169 collect_funlike_expansion.
7170 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7171 funlike_macroexpand.
7172 (_cpp_compare_defs): Rename compare_defs, make static.
7173 (_cpp_make_hashnode): Initialize hp->disabled.
7174 (macro_cleanup): Adjust for new token types. Clear
7176 (_cpp_create_definition): Move code here to determine what
7177 sort of macro it is, and code to check for redefinitions, from
7178 do_define. Implement a few simple cases without creating a
7180 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7181 Handle the simple cases.
7182 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7185 * cppinit.c (builtin_array): Change MCONST to XCONST
7187 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7188 fix check for disabled and function-like macros.
7189 * cpplib.c (do_define): Move most logic to
7190 _cpp_create_definition.
7191 (do_undef): Handle new special token types.
7193 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7195 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7196 of CONSTANT_P for mult_val; always use validate_change to update insn.
7198 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7200 * cpphash.c (trad_stringify, add_pat): New functions.
7201 (collect_expansion): Restore support for -traditional syntax.
7202 Use trad_stringify and add_pat.
7203 (_cpp_macroexpand): Restore support for -traditional semantics.
7204 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7205 get a COMMENT token.
7206 (_cpp_lex_token): Provide COMMENT tokens to caller if
7207 traditional and parsing_define_directive.
7208 (skip_comment): Warn about // comments if -Wtraditional.
7209 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7211 (do_undef): Don't warn about undefining EMPTY nodes.
7213 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7215 * loop.c (strength_reduce): Fix biv removal code.
7217 2000-04-22 Richard Henderson <rth@cygnus.com>
7219 * predict.c (estimate_probability): Examine both sides of
7220 a branch for no exits. Use 90% not 50% for predict taken.
7221 Reorg for one copy of note generation code.
7223 2000-04-22 Richard Henderson <rth@cygnus.com>
7225 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7227 2000-04-22 Richard Henderson <rth@cygnus.com>
7229 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7230 (output_clear): Likewise.
7231 (output_printf): Use va_copy.
7232 (vline_wrapper_message_with_location): Likewise.
7233 (v_message_with_decl): Likewise.
7234 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7235 * system.h (va_copy): Provide default implementation.
7237 2000-04-22 Richard Henderson <rth@cygnus.com>
7239 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7240 the collected condition is not a constant.
7242 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7244 * diagnostic.h: New file.
7246 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7248 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7249 various function prototypes.
7250 (diagnostic.h): #include.
7251 (struct output_buffer): Move into diagnostic.h.
7252 (get_output_prefix): Rename to output_get_prefix. Export.
7253 (init_output_buffer): Export. Break out. Ajust intialization.
7254 (output_space_left, output_append): Export.
7255 (output_newline): Rename to output_add_newline. Export.
7256 (output_clear): Nullify additional output_buffer fields.
7257 (output_puts): Rename to output_add_string. Export.
7258 (dump_output): Rename to output_flush_on. Export.
7259 (build_location_prefix): Constify return-type.
7260 (emit_output_prefix): Rename to output_emit_prefix. Export.
7261 (set_real_maximum_length): New function.
7262 (output_set_maximum_length): Ditto
7263 (output_clear): Ditto.
7264 (output_add_character): Ditto.
7265 (output_add_integer): Ditto.
7266 (output_add_space): Ditto.
7267 (output_format): Ditto.
7268 (output_printf): Adjust buffer initialization.
7269 (vline_wrapper_message_with_location): Ditto.
7270 (v_message_with_decl): Ditto. Adjust call to output_puts
7271 and get_output_prefix.
7272 (default_print_error_function): Adjust buffer intialization.
7274 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7276 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7279 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7281 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7284 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7286 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7287 accurate data about SP moves.
7289 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7291 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7292 aliases to AM33 registers.
7294 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7296 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7297 to all EXTENDED bitmaps.
7299 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7301 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7302 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7303 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7305 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7307 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7308 the operand is not constant.
7310 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7312 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7313 as a call-clobbered regs.
7315 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7317 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7319 * rtl.def: Update comment.
7320 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7321 * integrate.c (expand_inline_function): Likewise.
7322 * profile.c (branch_prob): Likewise.
7323 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7324 * print-rtl.c (print_rtx): Likewise.
7325 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7326 (reemit_notes): Likewise; also use enum insn_note.
7328 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7329 (place_field): Properly compute know and actual alignment.
7331 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7334 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7337 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7339 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7340 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7341 (collect_expansion): Rewrite to scan over a token list.
7342 Remove -traditional support.
7343 (collect_formal_parameters): Rename to collect_params; rewrite
7344 to scan over a token list.
7345 (_cpp_create_definition): Adjust to scan a token list.
7346 (_cpp_macroexpand): Remove -traditional support.
7347 (_cpp_compare_defs): Whitespace is now canonicalized.
7348 (comp_def_part): Delete function.
7350 * cpphash.h: Update prototypes.
7351 * cpplex.c (init_token_list): Don't set lineno if there is no
7353 (pedantic_whitespace): New function.
7354 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7355 consume a newline. Use pedantic_whitespace.
7356 (_cpp_lex_token): Remove support for -traditional macros.
7357 (_cpp_get_define_token): Delete.
7358 (_cpp_get_directive_token): Do the real work here. Use
7359 pedantic_whitespace.
7360 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7362 * cpplib.c (get_macro_name): Delete.
7363 (do_define): Read the entire line into pfile->directbuf, then
7364 feed the token list to _cpp_create_definition.
7365 * cpplib.h (HSPACE_BEFORE): new define.
7366 (struct cpp_reader): Add a toklist member, "directbuf".
7368 * predict.c (estimate_probability): New heuristic: if a jump
7369 branches around a block with no successors, predict it taken.
7370 Disentangle control flow.
7372 2000-04-20 Richard Henderson <rth@cygnus.com>
7374 * loop.c (emit_iv_add_mult): Revert last change.
7376 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7378 * cpplib.h (enum cpp_ttype): Add token types for all
7379 punctuators. Distinguish pp-numbers from valid C numbers.
7380 Give some tokens better names. Initialize from macro.
7381 (struct cpp_name, cpp_token, cpp_toklist): New data
7384 * cpplex.c (bump_column, expand_name_space,
7385 expand_token_space, init_token_list, cpp_output_list,
7386 _cpp_scan_line): New functions.
7387 (output_line_command): Add third argument, new line number.
7388 * cpphash.h: Update prototypes.
7389 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7392 2000-04-20 Richard Henderson <rth@cygnus.com>
7394 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7396 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7398 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7401 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7403 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7404 REG_EQUAL note explaining the calculated value.
7406 * calls.c (expand_call): Avoid unnecesary precalculation
7407 and outgoing parameters space guarding for sibling calls.
7408 (store_one_arg): Likewise.
7410 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7412 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7413 (rest_of_compilation): Write sibling dump file and account
7414 for time as jump time.
7415 * invoke.texi: Update documentation on dump flags.
7417 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7419 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7421 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7423 * cpphash.c (special_symbol): Represent an empty macro with
7424 "\r \r " not just "\r ".
7425 (_cpp_macroexpand): Correct condition for the foo ( ) special
7427 (unsafe_chars): Handle EOF as second argument.
7428 (push_macro_expansion): Simplify test for removing escape at
7429 end. Do not trim both escapes if there is no text in between.
7431 2000-04-19 Jim Blandy <jimb@redhat.com>
7433 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7434 of PTR_SIZE, when appropriate.
7436 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7438 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7439 (USE_ENUM_BITFIELDS): Fix typo.
7441 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7443 * stor-layout.c (place_field): Set rli->offset_align properly.
7445 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7447 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7448 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7449 PARM_BOUNDARY): Remove unnecessary casts.
7451 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7453 * calls.c (precompute_arguments): Remove must_preallocate and
7455 (expand_call): Update call of precompute_arguments.
7457 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7458 check_insn_for_givs): Break out from ...
7459 (strength_reduce) ... here; use for_every_insn_in_loop to call
7460 check_insn_for_givs.
7461 * loop.h (for_every_insn_in_loop): Declare.
7462 (loop_insn_callback): New type.
7464 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7466 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7469 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7471 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7474 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7476 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7478 * configure.in: Delete --disable-cpplib option and all
7479 references to cpp_main.
7480 * configure: Regenerate.
7481 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7482 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7483 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7484 cpp$(exeext). Add --no-headers to makeinfo command line when
7485 generating INSTALL. Install and uninstall cpp.1 manpage, not
7487 * install.texi: Delete all references to cexp.y/cexp.c.
7488 Delete ancient instructions for compiling GCC on 3b1.
7489 * INSTALL: Regenerate.
7491 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7492 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7493 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7495 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7496 which is no longer tested anywhere.
7498 * cppinit.c (handle_option): Don't run error message through
7501 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7503 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7504 * cpperror.c (hashtab.h): Now include.
7505 * cppexp.c (hashtab.h): Likewise.
7506 * cpplex.c (hashtab.h): Likewise.
7507 * cppfiles.c (hashtab.h): Likewise.
7508 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7509 to htab_find_slot_with_hash.
7510 * cpphash.c (hashtab.h): Now include.
7511 (_cpp_lookup_slot): INSERT is now enum insert_option.
7512 * cpphash.h (_cpp_lookup_slot): Likewise.
7513 * cppinit.c (hashtab.h): Include earlier.
7514 (initialize_builtins): Pass enum to htab_find_slot.
7515 * cpplib.c (hashtab.h): Now include.
7516 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7517 (do_pragma_poison, do_assert): Likewise.
7518 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7519 htab_find_slot_with_hash.
7520 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7521 * tree.c (type_hash_add): Likewise.
7522 (build1): Minor cleanup.
7524 * ggc-common.c: Add missing blanks.
7525 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7526 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7528 * stmt.c (mark_case_node): New function.
7529 (mark_case_nesting): Call it.
7531 * expmed.c (emit_store_flag): If comparing two-word integer
7532 with zero, can optimize NE, EQ, GE, and LT.
7534 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7535 * conflict.c: Minor cleanups.
7536 * optabs.c: Add blank line
7537 * simplify-rtx.c: Minor cleanups.
7539 2000-04-18 Stan Cox <scox@cygnus.com>
7541 * gengenrtl.c (genlegend): Fix misspelling.
7543 2000-04-18 Robert Lipe <robertlipe@usa.net>
7545 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7546 bitfields of the host compiler are not signed quantities.
7547 * config.in: Regenerate.
7548 * configure: Regenerate.
7549 * system.h (USE_ENUM_BITFIELDS): Added.
7550 (ENUM_BITFIELDS): Added.
7551 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7552 (SHORT_ENUM_BUG): Deleted.
7553 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7555 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7556 (CODE_FIELD_BUG): Likewise.
7557 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7559 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7561 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7563 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7566 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7568 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7569 * cpplib.c (do_include, do_import, do_include_next,
7570 read_line_number, detect_if_not_defined): Likewise.
7571 * cpphash.c (collect_expansion): Likewise.
7572 (special_symbol, _cpp_macroexpand): Check return from
7574 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7575 macros. Delete all uses.
7577 * gcc.dg/cpp-mi.c: Add two more test cases.
7578 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7580 2000-04-17 Richard Henderson <rth@cygnus.com>
7582 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7583 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7585 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7587 * function.c (expand_function_start): Use hard_function_value to
7588 compute the RTL to use for DECL_RESULT.
7590 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7592 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7593 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7594 x86_memory_mismatch_stall): New global variables.
7595 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7596 alloved; fix load penalties for Athlon.
7597 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7598 x86_memory_mismatch_stall): Declare.
7599 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7600 TARGET_MEMORY_MISMATCH_STALL): New.
7601 * i386.md (athlon scheduling parameters): Fix latencies according to
7602 Athlon Optimization Manual.
7603 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7605 (fsqrt instruction patterns): Set athlon_decode to direct.
7606 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7607 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7608 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7609 and TARGET_PARTIAL_REGISTER_STALL machines.
7610 (pushdf_nointeger): New pattern.
7611 (pushdf_integer): Rename from pushdf.
7612 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7613 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7615 2000-04-17 Richard Henderson <rth@cygnus.com>
7617 * loop.c (canonicalize_condition): Add WANT_REG argument.
7618 Stop the search if we match it.
7619 * expr.h (canonicalize_condition): Update decl.
7620 * predict.c (expected_value_to_br_prob): Use it. Track last
7621 expected value note.
7622 (find_expected_value): Remove.
7624 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7626 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7628 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7629 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7631 * configure.in: Call AC_FUNC_MMAP_FILE.
7632 * configure: Regenerate.
7633 * config.in: Regenerate.
7635 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7636 * fixinc/fixincl.c: Likewise.
7638 2000-04-17 Richard Henderson <rth@cygnus.com>
7640 * builtins.c (expand_builtin_expect): New.
7641 (expand_builtin): Call it.
7642 * builtins.def (BUILT_IN_EXPECT): New.
7643 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7644 * extend.texi: Document it.
7646 * predict.c (expected_value_to_br_prob): New.
7647 (find_expected_value): New.
7648 * basic-block.h (expected_value_to_br_prob): Declare.
7649 * toplev.c (rest_of_compilation): Invoke it.
7651 * rtl.h (NOTE_EXPECTED_VALUE): New.
7652 (NOTE_INSN_EXPECTED_VALUE): New.
7653 * rtl.c (note_insn_name): Update.
7654 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7655 cases; handle NOTE_INSN_EXPECTED_VALUE.
7657 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7659 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7660 leaf sibcall delay slot if flag_pic.
7661 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7663 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7665 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7667 * fixproto: If fix-header fails, exit with an error.
7669 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7671 * cse.c (struct check_depdendence_data): New.
7672 (check_dependence): New function.
7673 (invalidate): Use check_depdenence.
7675 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7677 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7678 UNITS_PER_WORD is unsigned.
7680 * tree.h (struct tree_common): Remove misleading comment.
7682 2000-04-16 Dave Pitts <dpitts@cozx.com>
7684 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7685 message in quotes. Otherwise, IBM's make program treats the '#' as the
7686 start of a comment and ignores the remainder of the line.
7688 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7690 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7691 * cexp.y (initialize_random_junk): Likewise.
7692 * cppfiles.c (find_include_file): Cast alloca return value.
7693 * cppinit.c (initialize_standard_includes): Likewise.
7694 * cpplib.c (cpp_define, cpp_undef): Likewise.
7695 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7696 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7697 * fold-const.c (CHARMASK): New.
7698 (real_hex_to_f): Use it.
7699 * real.c (CHARMASK): New.
7700 (etoasc, asctoeg): Use it.
7701 (asctoeg): EBCDIC lower case characters preceed upper case.
7703 * i370.c (mvs_add_label): Change spacing for coding conventions.
7704 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7705 outputing case vectors.
7706 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7707 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7708 since vector in in the data CSECT.
7709 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7710 * i370.md (Many patterns): Put the length in the XL directives.
7711 (movdi): Put back STM and MVC in definition.
7712 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7713 pattern using the TCA.
7714 * oe.h (CPP_SPEC): Added to allow trigraphs.
7715 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7716 not support the "long long" type.
7718 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7720 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7722 (mips_reg_mode_ok_for_base_p): Likewise.
7723 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7724 (REG_OK_FOR_INDEX_P): Define unconditionally.
7725 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7726 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7727 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7728 that GET_MODE_SIZE is unsigned.
7729 (mips_reg_mode_ok_for_base_p): Define.
7730 (mips_legitimate_address_p): Likewise. Adjust now
7731 that GET_MODE_SIZE is unsigned.
7732 (block_move_loop): Make the number of bytes unsigned.
7733 (expand_block_move): Likewise.
7734 (function_arg): Make the loop counter unsigned to match the
7737 2000-04-16 Richard Henderson <rth@cygnus.com>
7739 * rtl.h (enum insn_note): New enumeration. Subsume
7740 NOTE_INSN_DELETED and friends.
7741 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7742 * rtl.c (note_insn_name): Tweak string order.
7744 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7746 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7749 * cpplex.c (output_line_command): Remove debugging prints.
7750 (cpp_output_tokens): Don't write out a zero-length buffer or
7751 try to see if it has a newline in it.
7752 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7753 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7754 the end of the loop. Use memmove. Don't read past the end of
7755 the buffer. Remove trailing newlines from error messages.
7757 2004-04-16 Neil Booth <NeilB@earthling.net>
7759 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7760 * cpplib.c: Add new syntax flags to directive table, and
7763 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7765 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7768 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7770 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7771 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7773 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7775 * Makefile.in (ggc-page.o): Now includes toplev.h.
7776 * ggc-page.c (toplev.h): Now included.
7777 (gc_time): Remove declaration.
7778 (ggc_collect): TIME now long.
7779 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7781 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7783 * toplev.c: Make *_time variable long to reduce chance of overflow.
7784 (TIMEVAR): Likewise for `otime'.
7785 (print_time): Arg is now long; compute percentage in FP and round.
7786 * toplev.h (print_time): Arg is long.
7788 * tree.c: Minor whitespace changes.
7790 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7791 * configure: Rebuilt.
7792 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7793 (__fixunsxfDI): Renamed from __fixunsxfdi.
7794 (__fixunsdfDI): Renamed from __fixunsdfdi.
7795 (__fixunssfDI): Renamed from __fixunssfdi.
7796 (__floatdisf): Use proper type in REP_BIT macro.
7797 (__fixunsxfSI): Renamed from __fixunsxfsi.
7798 (__fixunsdfSI): Renamed from __fixunsdfsi.
7799 (__fixunssfSI): Renamed from __fixunssfsi.
7800 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7801 Change location of macros and upper-case some names as above.
7802 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7803 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7805 * varasm.c (assemble_variable): Add cast to remove warning.
7806 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7808 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7809 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7810 region number to -1.
7812 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7814 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7815 call unshare_all_rtl.
7817 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7819 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7821 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7822 Use .s1 not .s0 for all FP instructions.
7824 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7826 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7828 (safe_fwrite, output_line_command): New static functions.
7829 (cpp_expand_to_buffer): Now private to cpplib.
7830 (cpp_scan_buffer): Take a printer.
7832 * cpphash.h: Update prototypes.
7833 * cpplib.h: Update prototypes.
7835 (cpp_buffer): Remove last_nominal_fname.
7836 (cpp_reader): Remove lineno.
7838 * cppmain.c: Use a cpp_printer.
7839 * fix-header.c: No need to inhibit line commands. Call
7840 cpp_start_read with no printer.
7842 * cpperror.c (cpp_notice_from_errno): Provide default name.
7843 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7844 (find_include_file, cpp_read_file): Use make_IHASH.
7845 (file_cleanup): Set control_macro and clear
7846 input_stack_listing_current here.
7847 (_cpp_execute_include): Don't output entering-file marker.
7848 * cpphash.c (special_symbol): Look for the line number in the
7849 buffer, not the reader.
7850 (_cpp_macroexpand): No need to disable line commands.
7851 (_cpp_dump_definition): No need to generate line commands.
7852 (dump_hash_helper): Remove excess newline from output.
7853 * cppinit.c (dump_special_to_buffer): No need to generate line
7855 (cpp_printer_init): New.
7856 (cpp_start_read): Take a printer, and start it up if it's not
7857 NULL. No need to generate line commands.
7858 (cpp_finish): Expect no buffers stacked at all. Take a
7859 printer argument, and flush the output buffer if it's not
7861 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7862 Don't put two hashes at the beginning of an assertion.
7863 (cpp_get_token): Don't increment pfile->lineno or emit line
7864 commands here. Return EOF if there's no buffer when we get
7866 * cpplib.c (do_define, skip_if_group):
7867 No need to disable line commands.
7868 (_cpp_output_line_command): Delete function.
7869 (do_line): Don't emit line commands here, but set things up so
7870 they will be emitted if necessary. Use _cpp_fake_ihash to
7871 make unique nominal_fnames if necessary.
7872 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7873 with 0 for column, not -1.
7874 (_cpp_handle_eof): Don't set the control macro here. Don't
7875 clear input_stack_listing_current here. Don't emit line
7878 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7880 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7881 always, use the default SVR4 start address.
7883 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7884 (LINK_SHLIB_SPEC): Define.
7885 (LINK_START_DEFAULT_SPEC): Define.
7886 (LINK_OS_DEFAULT_SPEC): Define.
7888 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7890 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7891 __do_global_ctors to handle constructors.
7892 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7893 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7894 (STARTFILE_MVME_SPEC): Likewise.
7895 (STARTFILE_SIM_SPEC): Likewise.
7896 (ENDFILE_ADS_SPEC): Use crtend.
7897 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7898 (ENDFILE_MVME_SPEC): Likewise.
7899 (ENDFILE_SIM_SPEC): Likewise.
7900 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7901 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7902 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7903 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7904 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7905 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7906 (CRTSTUFF_T_CFLAGS_S): Define.
7907 * config/rs6000/eabi-ctors.c: Delete.
7909 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7912 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
7916 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
7918 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
7919 plus mask size is smaller or equal to the mode size.
7921 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7923 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
7926 * expr.c (reload.h): Now included.
7927 (emit_block_move): Set volatile_ok when checking for movstr.
7928 (emit_move_1): Check for replacements in addresses in multi-word case.
7929 * Makefile.in (expr.o): Now includes reload.h.
7931 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
7932 Never have a LIBCALL end a basic block.
7933 (find_basic_blocks_1): Likewise.
7934 Reorganize CALL_INSN cases.
7936 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
7938 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7940 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
7941 completers from mov.ret instruction.
7943 2000-04-14 Richard Henderson <rth@cygnus.com>
7945 * fold-const.c (extract_muldiv): Don't distribute and widen
7946 multiply across plus for non-sizetype unsigned types.
7948 2000-04-14 Richard Henderson <rth@cygnus.com>
7950 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
7951 If the original source is dead in the incr insn, it's dead now.
7953 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7955 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
7956 see if DECL_BIT_FIELD needs to still be set.
7958 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
7960 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
7961 print_int_cst_octal with something that's not an INTEGER_CST.
7963 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
7964 and not a SUBREG to a FLOAT rtl.
7966 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
7968 * emit-rtl.c (try_split): Avoid infinite loop if the split
7969 results in a sequence that contains the original insn.
7971 2000-04-13 Andreas Jaeger <aj@suse.de>
7973 * config/mips/mips.c (expand_block_move): Pass alignment
7974 argument to move_by_pieces in bits, not bytes.
7976 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
7977 __pic__ for little endian.
7979 2000-04-13 Andreas Jaeger <aj@suse.de>
7981 * config/i386/i386-protos.h: Add prototype for
7982 uno_comparison_operator.
7984 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7986 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
7987 * calls.c (ECF_PURE): New flag.
7988 (emit_call_1): Handle ECF_PURE calls.
7989 (initialize_argument_information): Unset ECF_PURE flag too.
7990 (precompute_arguments): Precompute for ECF_PURE too.
7991 (expand_call): Handle ECF_PURE calls too.
7992 (emit_library_call_value_1): Rename no_queue argument to fn_type,
7993 accept value of 2 as pure function.
7994 (emit_library_call_value, emit_library_call): Rename no_queue argument
7996 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
7998 * tree.h (DECL_IS_PURE): New macro.
7999 (struct tree_decl): Add pure_flag.
8000 * c-common.c (enum attrs): Add attribute "pure".
8001 (init_attributes): Initialize attribute "pure"
8002 (decl_attributes): Handle attribute "pure".
8003 * extend.texi (Attribute "pure"): Document.
8004 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8006 (flags_from_decl_or_type): Support attribute "pure".
8008 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8010 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8011 the token except for numbers and identifiers.
8013 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8015 * i386.c (ix86_expand_binary_operator,
8016 ix86_expand_unary_operator): Check no_new_pseudos
8017 instead of reload_in_progress and reload_completed.
8018 (ix86_split_ashldi, ix86_split_ashrdi,
8019 ix86_split_lshrdi): Check no_new_pseudos instead
8020 of reload_completed.
8022 2000-04-12 Jeffrey A Law (law@cygnus.com)
8024 * function.c (purge_addressof): Unshare any shared rtl created by
8025 purge_addressof and its children.
8027 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8029 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8032 2000-04-05 Andreas Jaeger <aj@suse.de>
8034 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8035 not compiling PIC code, add flags for mabi=64.
8036 (SUBTARGET_CPP_SIZE_SPEC): New.
8037 (SUBTARGET_CPP_SPEC): New.
8038 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8039 for MIPS/Linux and lots of code needs these defines.
8041 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8043 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8044 trying the "opposite arithmetic" approach.
8046 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8048 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8049 (struct sh_args): Add new field force_mem.
8050 (INIT_CUMULATIVE_ARGS): Initialize it.
8051 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8053 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8055 * calls.c (expand_call): Do not reverse args in "equal from" field.
8056 (emit_library_call_value_1): Emit_libcall_block for const and pure
8059 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8061 * reload1.c (reload_combine): Don't enable optimization for fixed
8062 registers when encountering a BARRIER.
8064 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8066 * builtins.c (expand_builtin_memcmp): Do expansion even with
8067 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8069 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8070 stack is propertly aligned; add sanity checking for aligned
8072 (expand_library_call_value_1): Add sanity checking for aligned
8075 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8077 * calls.c (emit_library_call_value_1): Change 3rd arg to
8078 locate_and_pad_parm to disregard the setting of partial.
8080 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8082 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8084 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8085 CALL_INSN from the normal case.
8087 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8089 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8090 New global variables.
8091 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8093 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8095 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8096 TARGET_ADD_ESP_8): New macros.
8097 * i386.md: Add peep2s to convert esp adjustments to push and pop
8099 (pushsi_prologue, popsi_epilogue): New patterns.
8101 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8103 * real.c (toe64): Remove stale #endif from the last change.
8105 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8107 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8108 * real.c (toe64): Revert previous change.
8110 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8112 * objc/objc-act.c: Include ggc.h.
8113 (objc_tree_index, objc_global_trees): Convert most of the
8114 static tree variables into a static array with previous names
8116 (objc_ellipsis_node): New variable.
8117 (lang_init): Call objc_act_parse_init and c_parse_init.
8118 Create objc_ellipsis_node.
8119 (build_selector_translation_table): Use objc_ellipsis_node instead
8121 (hack_method_prototype): Likewise.
8122 (get_arg_type_list): Likewise.
8123 (start_method_def): Likewise.
8124 (continue_method_def): Likewise.
8125 (gen_method_decl): Likewise.
8126 (ggc_mark_imp_list): New function.
8127 (ggc_mark_hash_table): New function.
8128 (objc_act_parse_init): New function.
8129 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8130 * c-parse.in (c_parse_init): For objc add roots of objc specific
8131 local tree variables.
8132 * objc/objc-parse.y: Rebuilt.
8133 * objc/objc-parse.c: Rebuilt.
8134 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8136 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8138 * cse.c (delete_trivially_dead_insns): Also delete insns
8139 that copy a register to itself where the destination is
8142 2000-04-11 Richard Henderson <rth@cygnus.com>
8144 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8145 (propagate_block): Initialize them. Use them in parallel instead
8146 of one tmp variable, ie revert much of the 0408 and 0407 functional
8147 changes, but keep the structural changes.
8148 (mark_set_regs): Take new_dead from propagate_block_info instead.
8149 (mark_set_1, mark_set_reg): Likewise.
8150 (mark_used_regs): Likewise with new_live.
8151 (mark_used_reg): Likewise. Revert 0408 change.
8153 2000-04-11 Nick Clifton <nickc@cygnus.com>
8155 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8157 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8159 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8161 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8162 const section to output a CONSTRUCTOR based on the same conditions
8165 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8167 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8168 * pa/pa-protos.h (output_call): Add additional argument indicating
8169 if the call is a sibling/tail call.
8170 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8171 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8172 (function_arg, function_arg_partial_nregs): Likewise
8173 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8174 (emit_move_sequence): Zero extend certain constants as needed
8176 (compute_zdepdi_operands, output_64bit_and): New functions.
8177 (output_64bit_ior, function_arg): Likewise.
8178 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8179 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8180 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8181 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8182 (output_bvb): Likewise.
8183 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8184 (output_call): New argument 'sibcall'. Generate sibcall sequences
8186 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8187 (ouput_arg_descriptor): Do not emit argument descriptors for
8189 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8191 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8192 (FUNCTION_OK_FOR_SIBALL): Define.
8193 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8194 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8195 (CPP_SPEC): Use new spec infrastructure.
8196 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8197 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8198 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8199 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8200 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8201 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8202 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8203 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8204 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8205 (FUNCTION_ARG); Call out to C code.
8206 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8207 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8208 (MIN_UNITS_PER_WORD): Likewise.
8209 * pa/pa.md (cmpdi): New expander.
8210 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8211 (64bit conditional arithmetic): New patterns.
8212 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8213 (movsicc): Not available if modes on all the operands to not match.
8214 (movdicc): New expander and associated patterns.
8215 (64bit branches): New patterns.
8216 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8217 (pre_ldd, post_std): New patterns.
8218 (64bit addil, load low part): New patterns.
8219 (special movsf constant): Not available for TARGET_64BIT.
8220 (movsf, movdf expanders): Force constants into memory.
8221 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8222 (64bit movdf/movdi patterns): New patterns.
8223 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8225 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8226 (adddi3 expander): Allow "arith_operand" for second input.
8227 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8228 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8229 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8230 (muldi3): New expander for TARGET_64BIT.
8231 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8233 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8234 patterns for TARGET_64BIT.
8235 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8236 patterns for TARGET_64BIT.
8237 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8238 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8239 (sibcall_epilogue): New expander.
8240 (casesi): Tweak for TARGET_64BIT.
8241 (call expanders): Set & use the outgoing argument pointer. Use the
8242 64bit call patterns as needed. Add additional arg to output_call.
8243 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8244 (sibcall, sibcall_internal_symref): New expanders.
8245 (sibcall_value, sibcall_value_internal_symref
8246 (interspace_jump): Turn into an expander + matching patterns.
8247 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8248 * pa/pa64-regs.h: Eliminate trigraph sequences.
8249 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8251 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8253 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8254 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8255 cpp_token with cpp_ttype everywhere.
8256 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8257 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8258 CPP_BUF_COL. Line and column numbers are unsigned int, not
8260 * cpplex.c (cpp_buf_line_and_col): Delete.
8261 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8262 'long lineno' to 'unsigned int lineno'.
8263 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8265 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8267 * extend.texi: ISO C99 is not a draft anymore.
8268 * invoke.texi: ISO C++ is not a draft anymore.
8269 * cpp.texi: __cplusplus is required by the ISO standard.
8271 * extend.texi (-fthis-is-variable): Undocument.
8272 * flags.h (warn_template_debugging): Remove declaration.
8273 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8274 -Wenum-clash, -Wtemplate-debugging): Undocument.
8276 2000-04-10 Nick Clifton <nickc@cygnus.com>
8278 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8280 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8282 (ARM_SIGN_EXTEND): Use HOST_UINT.
8283 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8284 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8285 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8286 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8288 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8289 (arm_gen_constant): Use HOST_UINT.
8290 (arm_canonicalize_constant): Use HOST_UINT.
8291 (arm_reload_in_hi): Use HOST_UINT.
8292 (arm_reload_out_hi): Use HOST_UINT.
8293 (output_multi_immediate): Use HOST_UINT.
8294 (int_log2): Use HOST_UINT.
8295 (arm_poke_function_name): Use HOST_UINT.
8296 (arm_output_epilogue): Use arm_volatile_func().
8297 (output_thumb_prologue): Use arm_strip_name_encoding().
8299 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8301 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8302 of sequence point problems.
8304 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8306 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8308 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8310 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8312 * sbitmap.h: Whitespace changes and use upper-case macro args.
8313 (struct simple_bitmap_def): All sizes now unsigned.
8314 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8315 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8316 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8317 (sbitmap_zero): Cast bzero arg to PTR.
8318 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8319 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8320 loop to make structure clearer.
8321 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8322 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8323 (sbitmap_a_and_b_or_c): Likewise.
8324 (sbitmap_intersection_of_succs): Minor cleanups.
8325 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8326 (sbitmap_union_of_preds): Likewise.
8327 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8328 (debug_sbitmap): New function.
8330 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8331 * c-typeck.c (convert_for_assignment): Likewise.
8333 * expmed.c (init_expmed): Don't free objects we make.
8334 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8336 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8337 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8339 * gcse.c (expr_hash_table_size): Now unsigned.
8340 (compute_ae_gen): Local variable `i' now unsigned.
8341 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8342 (compute_transout, hoist_code): Likewise.
8343 (compute_local_properties): Likewise, also hash_table_size.
8344 (alloc_expr_hash_table): N_INSNS now unsigned.
8345 (delete_null_pointer_checks): Mark arg F as unused.
8347 * regrename.c: Minor cleanups, including chang some variables
8350 2000-04-10 Neil Booth <NeilB@earthling.net>
8352 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8354 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8356 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8358 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8359 __classof__, and __headof__ from the list of gnu keywords.
8360 (-ansi): Remove -foperator-names from list of implied options.
8361 Do not call it ANSI C++.
8362 (-foperator-names): Document as -fno-operator-names.
8364 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8366 * cpphash.c (timestamp): Delete.
8367 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8368 (special_symbol): Remove unnecessary braces. Remove
8369 T_VERSION. Treat T_STDC like T_CONST unless
8370 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8371 when one is encountered, then convert them into T_MCONST
8373 * cppinit.c (builtin_array): version_string is T_MCONST.
8374 __STDC__ has a "1" in its cpval. Don't have a terminator
8375 entry. Clean up which entries are dumped.
8376 (initialize_builtins): Only __STDC__ gets the special
8377 -traditional treatment. Count the length of builtin_array.
8378 Render version_string here.
8379 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8380 * cpplib.h (struct cpp_reader): Remove timebuf.
8382 2000-04-09 Richard Henderson <rth@cygnus.com>
8384 * genrecog.c (pred): Update comparison_operator for the unordered
8387 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8389 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8390 (uno_comparison_operator): New.
8391 (put_condition_code): Handle UNORDERED/ORDERED.
8392 (unsigned_comparison): Likewise.
8393 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8394 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8395 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8396 update all callers. Handle all 8 unordered operators.
8397 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8398 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8399 * config/i386/i386.h (PREDICATE_CODES): Update.
8400 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8401 (ix86_expand_branch, ix86_expand_setcc): Update.
8402 * config/i386/i386.md (sunordered, sordered): New.
8403 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8404 (bunordered, bordered): New.
8405 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8406 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8407 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8409 2000-04-09 Philip Blundell <philb@gnu.org>
8411 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8413 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8415 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8416 fix_truncxfhi2): New patterns.
8417 * i386.c (output_fix_trunc): Handle converting to HImode.
8419 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8421 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8423 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8424 (for_each_successor_phi): Change parameter to basic_block.
8425 (coalesce_regs_in_successor_phi_nodes): Likewise.
8426 (coalesce_regs_in_copies): Likewise.
8427 (compute_coalesced_reg_partition): Use basic_block instead of index.
8428 * rtl.h (convert_to_ssa): Delete.
8429 (convert_from_ssa): Likewise.
8430 (successor_phi_fn): Likewise.
8431 (for_each_successor_phi): Likewise.
8432 (in_ssa_form): Likewise.
8433 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8434 (convert_from_ssa): Likewise.
8435 (successor_phi_fn): Likewise.
8436 (in_ssa_form): Likewise.
8437 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8438 * flow.c (calculate_global_regs_live): Pass a basic_block to
8439 for_each_successor_phi.
8441 2000-04-08 Richard Henderson <rth@cygnus.com>
8443 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8444 was modified in the current insn.
8446 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8448 * arm/thumb.md: Delete.
8449 * arm/thumb-protos.h: Delete.
8451 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8453 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8455 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8457 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8460 * arm.md (nop): Use the standard RTL expression. Don't code as a
8462 (*arm_nop, *thumb_nop): Delete.
8464 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8465 constants. Use casts instead.
8466 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8467 output_multi_immediate, arm_poke_function_name): Likewise.
8468 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8469 MASK_RETURN_ADDDR): Likewise.
8471 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8473 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8476 * arm.md (eh_epilogue): New function.
8477 * arm.h (struct machine_function): Move to here ...
8478 * arm.c: ... from here.
8479 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8480 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8481 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8483 2000-03-30 Nick Clifton <nickc@cygnus.com>
8485 * config/arm/semi.h (ASM_SPEC): Restore definition.
8486 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8488 * config/arm/elf.h (ASM_SPEC): Restore definition.
8489 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8491 * config/arm/arm.h (ASM_SPEC): Remove definition.
8492 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8494 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8496 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8498 2000-03-24 Nick Clifton <nickc@cygnus.com>
8500 Various formating tidyups, elimination of compile time
8501 warnings and synchronisation with internal sources:
8503 * config/arm/arm-protos.h (assemble_align): Add prototype.
8504 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8505 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8506 (arm_return_addr_rtx): Rename to arm_return_addr.
8508 * config/arm/arm.c: Include except.h.
8509 Define shorter typenames for strict minipool_node and struct
8511 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8513 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8514 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8516 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8518 (ASM_SPEC): Define if not already defined.
8519 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8521 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8522 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8523 arm_gen_compare_reg.
8524 (indirect_jump): Only accept register operands.
8525 (load_indirect_jump): Keep this pattern since combine can generate
8528 * config/arm/coff.h: Include aout.h.
8529 (MULTILIB_DEFAULTS): Only define if not already defined.
8531 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8532 into arm.h (so that COFF ports can support thumb based aliases).
8533 (ASM_SPEC): Move definition into arm.h
8535 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8536 redundant apcs spec.
8537 (ASM_SPEC): Move definition to arm.h
8539 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8541 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8542 for entries in the .bss section
8544 2000-03-23 Nick Clifton <nickc@cygnus.com>
8546 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8547 to thumb_far_jump_used_p.
8549 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8550 single integer parameter.
8552 * config/arm/arm.c (struct machine_function): Add two new
8553 fields, 'far_jump_used' and 'arg_pointer_live'.
8554 (thumb_far_jump_used_p): Once the decision has been made that
8555 far jumps might be used, always return true.
8556 If being called from the initial elimination offset macro then
8557 do not bother to perform the test if the arg pointer is not
8559 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8560 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8562 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8564 * arm.c (output_return_instruction): Handle more cases where we can
8565 return from a function with an ldr instruction.
8566 (arm_output_epilogue): Likewise.
8568 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8569 if we need to push a large stack frame and there are no callee-saved
8572 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8573 in ARM code if the frame pointer has been eliminated.
8575 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8576 unspec_volatile arguments to avoid duplicates.
8577 (consttable_1, consttable_2): Fixes for big-endian mode.
8579 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8582 Re-write constant pool code.
8583 * arm.c (minipool_node, minipool_fix): New types.
8584 (minifix): Delete type.
8585 (arm_add_minipool_constant): Delete.
8586 (arm_compute_minipool_offsets, arm_find_barrier,
8587 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8588 (get_jump_table_size): Now returns HOST_WIDE_INT.
8589 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8591 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8592 (assign_minipool_offsets, arm_print_value): Likewise.
8593 (dump_minipool): Rewrite.
8594 (arm_barrier_cost): New function.
8595 (create_fix_barrier): New function.
8596 (push_minipool_barrier): New function.
8597 (push_minipool_fix): Record additional information about the fixup
8599 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8600 check the mode of what needs fixing.
8601 (arm_reorg): Rewrite.
8603 2000-03-08 Nick Clifton <nickc@cygnus.com>
8605 * config/arm/arm.md (indirect_jump): Force constant addresses into
8608 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8610 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8612 2000-02-24 Nick Clifton <nickc@cygnus.com>
8614 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8615 adjust is word aligned.
8616 (thumb_expand_epilogue): Make sure that stack adjust is word
8619 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8621 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8623 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8624 pointer relative addresses.
8626 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8628 * arm.c (find_barrier): Find the last barrier within the allowed
8631 2000-02-09 Nick Clifton <nickc@cygnus.com>
8633 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8635 2000-02-09 Nick Clifton <nickc@cygnus.com>
8637 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8638 ARM_FUNCTION_PROFILER.
8640 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8641 ARM_FUNCTION_PROFILER.
8643 * config/arm/linux-oldld.h: Imported from mainline sources.
8645 2000-02-07 Nick Clifton <nickc@cygnus.com>
8647 * config/arm/lib1funcs.asm: Merge in thumb functions from
8650 * config/arm/lib1thumb.asm: Delete.
8652 2000-02-04 Nick Clifton <nickc@cygnus.com>
8654 * config/arm/arm.c: Sychronised with current Red hat local
8656 * config/arm/arm.h: Ditto.
8657 * config/arm/arm-protos.h: Ditto.
8659 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8661 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8663 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8666 2000-02-02 Nick Clifton <nickc@cygnus.com>
8668 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8670 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8671 (return) was emited using an emit_insn() call.
8673 2000-01-31 Nick Clifton <nickc@cygnus.com>
8675 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8677 (thumb_exit): Move frame pointer back into hard frame pointer
8678 register if backtracing is being used.
8680 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8682 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8685 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8687 * config/arm/arm.md (neg_pool_offset): Provide default for new
8689 (arm_movsi_insn): Add neg_pool_offset attribute.
8690 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8691 rtx for the insn that starts the scan and an unsigned long for its
8692 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8693 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8694 instructions in *PINSERTED.
8695 (struct minipool_fixup): Add MIN_ADDRESS elt.
8696 (sort_fixups): Compute it.
8697 (arm_reorg): Changes to support inserting pools before the insn to be
8700 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8702 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8703 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8704 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8706 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8708 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8710 (TARGET_DEFAULT): Do not define if already defined.
8712 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8714 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8715 (iordi3): Allow disjoint source operands.
8716 (xordi3): Allow disjoint source operands.
8717 (negdi2): Permit construction for ARM and Thumb.
8718 (arm_negdi2): Renamed version of old negdi2 pattern.
8719 (thumb_negdi2): New pattern: Only permit non-overlapping
8720 source and destination.
8722 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8724 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8725 scratch low register so that it will not be deleted.
8727 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8729 * config/arm/pe.h (ARM_PE): Define.
8731 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8732 interfacearm attribute if this is a PE toolchain.
8733 (output_return_instruction): Do not emit anything if the function
8734 has the naked attribute set.
8735 (is_called_in_ARM_mode): If the function has the interfacearm
8736 attribute then return true.
8737 (thumb_expand_prologue): Do not generate a prologue for naked
8739 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8741 (output_thumb_prologue): Do not bother if the function is naked.
8742 Strip PE encoding from function name before emitting.
8744 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8746 * arm.md (pic_load_addr): Fix constraints.
8748 * arm.md (casesi_insn): Fix mis-applied patch.
8750 * arm.md ("core" function unit): Add rules for single- and
8752 (All TARGET_THUMB patterns): Add "type" attribute information
8754 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8755 the following insn is a CALL.
8757 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8759 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8760 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8761 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8763 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8765 * config/arm/linux-gas.h: oops - this file was missed out when the
8766 branch was created...
8768 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8770 * thumb.c: Deleted. Move contents to ...
8772 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8774 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8777 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8778 declare a prototype for asm_output_align();
8780 * arm.c (thumb_condition_code): Delete.
8781 (arm_print_operand): Always use arm_condition_code array.
8783 * arm.c (thumb_return_addr_rtx): Delete.
8784 (arm_save_machine_status, arm_restore_machine_status): Delete.
8785 (arm_init_machine_status, arm_mark_machine_status): New functions.
8786 (arm_init_expanders): Update accordingly.
8787 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8788 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8789 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8791 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8793 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8795 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8798 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8800 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8801 stack backtrace structure.
8803 * config/arm/arm-protos.h: Add prototypes for functions defined in
8806 * config/arm/arm.c (arm_override_options): Fix selection of
8807 attributes of default processor.
8809 * config/arm/coff.h: Delete needless #include.
8811 * config/arm/pe.c: Delete unused code.
8813 * config/arm/pe.h (CPP_DEFINES): Delete
8814 (SUBTARGET_CPP_SPEC): Define.
8815 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8817 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8819 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8821 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8823 (CAN_DEBUG_WITHOUT_FP): Define.
8824 (FIXED_REGISTERS): Make r11 call-saved.
8825 (CALL_USED_REGISTERS): Likewise.
8826 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8827 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8828 frame-pointer is required.
8829 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8830 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8831 if the target normally needs a stack frame in non-leaf functions.
8832 (use_return_insn): Correct logic for determining when a return
8833 instruction can be used.
8834 (output_return_instruction): Handle the frame-pointer register as
8835 a normal register when not TARGET_APCS_FRAME.
8836 (arm_output_prologue): Likewise.
8837 (arm_output_epilogue): Likewise.
8838 (output_func_epilogue): Likewise.
8839 (arm_expand_prologue): Likewise.
8840 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8842 * arm.c (use_return_insn): No need to check floating point regs if
8844 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8845 the code of value stored in the minipool array.
8846 (arm_add_minipool_constant): Likewise.
8848 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8850 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8852 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8854 * tree.c (tree_expr_nonnegative_p): New function.
8856 * tree.h (tree_expr_nonnegative_p): Declare.
8858 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8859 elide some sign_compare warnings.
8860 (build_conditional_expr): Likewise.
8862 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8864 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8866 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8867 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8868 operand. Abort if a 387 operand has an unsupported size.
8870 2000-04-08 Neil Booth <NeilB@earthling.net>
8872 * cppexp.c (parse_charconst): Null does not end character
8874 * cppinit.c (ISTABLE): Null character handled as whitespace.
8875 * cpplex.c (null_warning): new function.
8876 (skip_string): Emit warning if nulls encountered.
8877 (_cpp_skip_hspace): Emit warning if nulls encountered.
8878 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8882 2000-04-07 Richard Henderson <rth@cygnus.com>
8884 * flow.c (loop_depth): Remove.
8885 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8886 (struct propagate_block_info): New.
8887 (life_analysis): Don't allocate reg_next_use.
8888 (propagate_block_delete_insn): Break out of propagate_block.
8889 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8890 (propagate_block_delete_libcall): Likewise.
8891 (propagate_block): Create a propagate_block_info struct to pass
8892 to subroutines. Allocate one not two temporary regsets. Don't
8893 clobber memory for const calls. Look for clobbers in
8894 CALL_INSN_FUNCTION_USAGE.
8895 (mark_set_regs): Recognize COND_EXEC.
8896 (mark_set_reg): Break out of mark_set_1.
8897 (mark_used_reg): Break out of mark_used_regs.
8898 (mark_used_regs): Recognize COND_EXEC.
8899 (insn_dead_p): Use propagate_block_info struct.
8900 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8901 (find_auto_inc, try_pre_increment_1): Likewise.
8902 (print_rtl_with_bb): Dump regs live at end too.
8903 (count_reg_sets_1): Pass in loop_depth.
8904 (count_reg_sets, count_reg_references): Likewise.
8905 (recompute_reg_usage): Provide it.
8907 2000-04-07 Richard Henderson <rth@cygnus.com>
8909 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8912 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
8914 * cpplib.c (do_elif): Skip the rest of the line if we're
8915 not going to bother evaluating it.
8916 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
8917 to avoid pointless calls to the lexer.
8919 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
8921 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
8923 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
8925 * calls.c (expand_call): emit_queue if we're trying a sibcall.
8927 2000-04-07 Jakub Jelinek <jakub@redhat.com>
8929 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
8931 2000-04-06 Geoff Keating <geoffk@cygnus.com>
8933 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
8934 crtend so they can be multilibbed.
8935 (STAGESTUFF): Remove s-crt and s-crtS.
8937 2000-04-07 Richard Henderson <rth@cygnus.com>
8939 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
8940 if we discover we need a pseudo and no_new_pseudos is true.
8941 * config/alpha/alpha.md (ne:DI insn): New.
8942 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
8944 2000-04-07 Richard Henderson <rth@cygnus.com>
8946 * rtl.def (COND_EXEC): New.
8947 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
8948 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
8950 * genconfig.c (have_cond_arith_flag): Remove.
8951 (have_cond_exec_flag): New.
8952 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
8953 (main): Print HAVE_conditional_execution.
8955 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
8956 (sched_analyze_insn, print_pattern): Likewise.
8957 * reload.c (find_equiv_reg): Likewise.
8958 * rtlanal.c (reg_referenced_p): Likewise.
8959 (note_stores, dead_or_set_regno_p): Likewise.
8960 (reg_overlap_mentioned_p): Rewrite to use a switch.
8962 * ggc.h (struct rtx_def): Forward declare.
8964 * print-rtl.c (debug_rtx_range): New.
8965 * rtl.h (debug_rtx_range): Declare.
8967 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
8969 * gcse.c (gcse_main): Don't rebuild the CFG here.
8970 (delete_null_pointer_checks): Likewise.
8971 * ssa.c (convert_to_ssa): Likewise.
8972 * toplev.c (rest_of_compilation): Do it here instead. Combine
8973 sequential calls to TIMEVAR. Consistently use `insns' instead of
8974 `get_insns()'. Always split insns after reload when optimizing.
8976 * basic-block.h (merge_blocks_nomove): Declare.
8977 (tidy_fallthru_edge): Declare.
8978 * flow.c (merge_blocks_nomove): Document as merging into previous
8979 blocks. Remove cruft from between blocks; remove all edges out of A.
8980 (tidy_fallthru_edge): Export.
8982 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8984 * ssa.c (compute_conservative_reg_partition): Declare with
8986 * toplev.c (clean_dump_file): Remove previously-deleted function
8987 inadvertantly merged back in.
8988 * conflict.c (conflict_graph_add): Use a single call to
8989 htab_find_slot to look up and insert.
8991 2000-04-06 Richard Henderson <rth@cygnus.com>
8993 * genrecog.c (*): Rename _last_insn to last_insn.
8994 (make_insn_sequence): Set the position of the peephole2 C test
8995 to be at the last insn.
8997 2000-04-06 Richard Henderson <rth@cygnus.com>
8999 * flow.c (compute_flow_dominators): Free worklist.
9001 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9003 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9005 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9007 * rtl.h (INSN_P): New macro.
9008 (successor_phi_fn): New typedef.
9009 (for_each_successor_phi): New prototype.
9010 (in_ssa_form): New variable.
9011 (PHI_NODE_P): Likewise.
9012 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9013 phi nodes in successors.
9014 (mark_used_regs): Add PHI case.
9015 (set_phi_alternative_reg): New function.
9016 (life_analysis): Assert that dead code elimination is not selected
9018 * toplev.c (to_ssa_time): New variable.
9019 (from_ssa_time): Likewise.
9020 (compile_file): Zero to_ssa_time and from_ssa_time.
9021 Print time to convert to and from SSA.
9022 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9023 (print_time): Compute percent fraction as integer.
9024 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9025 (convert_to_ssa): Check if we're already in SSA.
9026 Don't eliminate dead code in life_analysis.
9027 Rerun flow and life analysis at bottom.
9028 (eliminate_phi): Use canonical regnos when adding nodes.
9029 (mark_reg_in_phi): New function.
9030 (mark_phi_and_copy_regs): Likewise.
9031 (convert_from_ssa): Rerun life analysis at top.
9032 Use coalesced partition.
9033 Check for removing a phi node at the end of the block.
9034 (compute_coalesced_reg_partition): New function.
9035 (coalesce_regs_in_copies): Likewise.
9036 (coalesce_reg_in_phi): Likewise.
9037 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9038 (for_each_successor_phi): Likewise.
9039 (rename_context): New struct.
9040 (rename_block): Use a rename_context with rename_insn_1. When
9041 renaming sets of a subreg, emit a copy of the entire reg first.
9042 (rename_insn_1): Treat data as a rename_context *. Save current
9044 (rename_set_data): Add field set_insn.
9045 * Makefile.in (HASHTAB_H): Move up in file.
9046 (OBSTACK_H): New macro.
9047 (collect2.o): Use OBSTACK_H in dependencies.
9048 (sdbout.o): Likewise.
9049 (emit-rtl.o): Likewise.
9050 (simplify-rtx.o): Likewise.
9051 (fix-header.o): Likewise.
9052 (OBJS): Add conflict.o.
9053 (conflict.o): New rule.
9054 * basic-block.h: Include partition.h.
9055 (conflict_graph): New typedef.
9056 (conflict_graph_enum_fn): Likewise.
9057 (conflict_graph_new): New prototype.
9058 (conflict_graph_delete): Likewise.
9059 (conflict_graph_add): Likewise.
9060 (conflict_graph_conflict_p): Likewise.
9061 (conflict_graph_enum): Likewise.
9062 (conflict_graph_merge_regs): Likewise.
9063 (conflict_graph_print): Likewise.
9064 (conflict_graph_compute): Likewise.
9065 * conflict.c: New file.
9067 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9069 * tlink.c (read_repo_files): Don't look for .rpo info for
9072 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9074 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9076 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9078 * config/sh/lib1funcs.asm (___udivsi3_i4):
9079 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9080 only depends on FMOVD_WORKS.
9082 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9084 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9085 make double constant 8-byte aligned.
9087 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9089 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9090 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9091 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9092 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9093 Accept storing GENERAL_REGS into offsetable memory.
9094 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9095 building a TFmode constant other than 0.0L into GENERAL_REGS.
9097 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9099 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9101 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9103 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9104 (macro_cleanup): No need to cast pbuf->macro.
9105 (collect_expansion): Use _cpp_get_define_token. Goto done if
9106 it returns VSPACE. Remove check for trailing space after
9108 (_cpp_create_definition): Don't diddle flags here. Return
9110 (unsafe_chars): Handle c1 being EOF.
9111 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9112 checks. Don't push the buffer till after we're done with
9114 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9115 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9116 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9118 (_cpp_parse_assertion): Don't NUL terminate.
9119 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9120 hspace before calling _cpp_parse_assertion. Remove all sets
9121 of only_seen_white. Treat '\f' as hspace. Don't do anything
9122 special with '\n' here.
9123 (maybe_macroexpand): Handle T_EMPTY hash entries without
9124 pushing a buffer at all.
9125 (cpp_get_token): Handle clearing only_seen_white here. Handle
9126 incrementing the line number here. Clear
9127 potential_control_macro as well as only_seen_white, if
9129 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9130 (_cpp_get_define_token): New function, basically like
9131 _cpp_get_directive_token was but doesn't eat horizontal space.
9132 Don't do anything with only_seen_white here.
9133 (_cpp_get_directive_token): Just call _cpp_get_define_token
9134 repeatedly till it returns non-hspace.
9136 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9137 (conditional_skip, skip_if_group): Return int.
9138 (DIRECTIVE_TABLE): Change origin of all conditional directives
9140 (TRAD_DIRECT_P): New macro.
9141 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9142 an error for a bogus directive, unless -lang-asm. Use
9143 TRAD_DIRECT_P. Loop calling handler functions till one returns
9145 (get_macro_name): Don't diddle flags here.
9146 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9147 Create T_EMPTY nodes for #define macro /* nothing */.
9148 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9149 Use hp->name when calling pass_thru_directive.
9150 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9151 Return the result of conditional_skip and/or skip_if_group.
9152 Don't call _cpp_output_line_command.
9153 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9154 Issue -Wtraditional warnings as appropriate. Don't complain
9155 about unrecognized directives. If we are to stop skipping,
9156 return the number of the directive that ended the skip.
9157 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9158 expansion and line commands while skipping. Return the result
9159 of consider_directive_while_skipping, if nonzero.
9160 (do_endif): Just set potential_control_macro here.
9161 (validate_else): Use _cpp_get_directive_token.
9162 (do_assert, do_unassert): Don't save pointers into the
9163 token_buffer across calls to the lexer. Use
9164 _cpp_get_directive_token.
9166 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9167 pointer, not an offset. Replace 'data', which was a generic
9168 pointer, with 'macro', which points to a struct hashnode.
9169 (cpp_reader): Add 'potential_control_macro' pointer.
9170 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9171 (CPP_BUF_GET, CPP_FORWARD): Delete.
9172 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9173 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9174 ACTIVE_MARK_P): Update.
9175 (_cpp_get_define_token): New internal function.
9176 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9178 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9180 * configure.in: And here.
9181 * configure: Regenerate.
9182 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9183 --enable-libstdcxx-v3 is passed at configure time.
9184 * config.h.in: Regenerate.
9186 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9188 * final.c (final): Use xcalloc to allocate line_note_exists.
9189 * function.c (free_after_compilation): Free the temp_slots.
9190 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9191 (combine_temp_slot): Free temp_slots when they get combined.
9192 (purge_addressof): Fix typo in comment.
9193 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9194 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9196 * ggc.h: Include varray.h.
9197 (ggc_pending_trees): Declare.
9198 (ggc_mark_tree_children): Remove declaration.
9199 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9200 * ggc-common.c (ggc_pending_trees): New variable.
9201 (ggc_mark_roots): Call ggc_mark_trees.
9202 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9203 the ggc_pending_trees.
9204 * Makefile.in (GGC_H): New variable. Use it throughout in place
9207 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9209 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9212 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9214 * sh.c (sh_insn_length_adjustment): New function.
9215 * sh-protos.h (sh_insn_length_adjustment): Declare.
9216 * sh.h (ADJUST_INSN_LENGTH): Use it.
9218 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9220 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9221 from the insn where REG_RETVAL is added.
9222 (emit_no_conflict_block): Ditto.
9224 * md.texi (Standard Names): Clarify when movX is needed.
9226 * combine.c (simplify_comparison) [MINUS]: Do not replace
9227 all (op (minus A B) 0) with (op A B).
9229 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9230 J"orn Rennecke <amylaar@cygnus.co.uk>
9232 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9233 (block_lump_real): Likewise.
9235 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9237 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9238 remaining non-zero debugging masks.
9240 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9242 * basic-block.h (verify_flow_info): Declare.
9243 (flow_loop_outside_edge_p): Declare.
9244 * flow.c (verify_flow_info): Remove declaration.
9245 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9247 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9249 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9252 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9254 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9255 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9256 seqdi_zero_trunc+1): Allow splits only if registers are
9259 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9261 * acconfig.h: Add HAVE_GAS_HIDDEN.
9262 * config.in: Regenerated.
9263 * configure.in: Add test for .hidden pseudo-op in gas.
9264 * configure: Regenerated.
9265 * crtstuff.c: Include auto-host.h.
9266 Emit additional .hidden pseudo-op for __dso_handle if the
9267 assembler knows about it.
9269 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9271 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9272 before freeing argnames.
9273 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9275 2000-04-05 Michael Meissner <meissner@redhat.com>
9277 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9278 Walton <jonboy@gordian.com> to make memory references with update
9279 work wtih -mregnames.
9281 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9283 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9284 (regrename_optimize): Rename variables `def_uses' and
9285 `ext_basic_blocks' to avoid conflicts with similarly named
9286 typedefs in traditional C.
9288 * calls.c (initialize_argument_information): Fix typo in previous
9291 2000-04-04 Richard Henderson <rth@cygnus.com>
9293 * regrename.c (consider_available): Test fixed_regs not
9294 PIC_OFFSET_TABLE_REGNUM.
9296 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9298 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9300 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9301 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9302 (ENDFILE_LINUX_SPEC): Always use crtend.
9303 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9304 (powerpc-*-linux-gnu): Likewise.
9305 * configure: Regenerate.
9307 * config/rs6000/eabi.h: Don't include sysv4.h.
9308 (MULTILIB_DEFAULTS): Don't define.
9309 * config/rs6000/eabiaix.h: Don't include eabi.h.
9310 * config/rs6000/eabile.h: Delete.
9311 * config/rs6000/eabilesim.h: Delete.
9312 * config/rs6000/eabisim.h: Don't include eabi.h.
9313 * config/rs6000/linux.h: Don't include sysv4.h.
9314 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9315 (MULTILIB_DEFAULTS): Don't redefine.
9316 * config/rs6000/rtems.h: Don't include eabi.h.
9317 * config/rs6000/sol2.h: Don't include sysv4le.h.
9318 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9319 * config/rs6000/t-ppc: Delete.
9320 * config/rs6000/t-ppcgas: Correct comment.
9321 * config/rs6000/t-ppcos: Correct comment. Don't build
9322 multilibs for -fPIC, rather use -fPIC -mstrict-align
9324 * config/rs6000/t-ppc: Delete.
9325 * config/rs6000/vxppc.h: Don't include sysv4.h.
9326 * config/rs6000/vxppcle.h: Delete.
9327 * configure.in: Use multiple header files for p2pc ELF targets
9328 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9329 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9330 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9331 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9332 always available for these platforms.
9334 2000-04-04 Richard Henderson <rth@cygnus.com>
9336 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9338 2000-04-04 Stan Cox <scox@cygnus.com>
9340 * Makefile.in: Add rules for regrename.o
9341 * regrename.c: New file.
9342 * rtl.h (regrename_optimize): Add prototype.
9343 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9344 (compile_file, decode_d_option): Add support for -frename-registers.
9345 (rest_of_compilation): Call regrename_optimize.
9346 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9349 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9351 * Makefile (gccbug): New target.
9352 (doc): Depend on it.
9353 * gcc.texi (Bugs): Link subnodes.
9355 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9356 Document severities, priorities, and classes in bug form.
9358 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9360 * cpplex.c (trigraph_map, speccase): Combine into single
9362 (NORMAL, NONTRI): New macros.
9363 (_cpp_read_and_prescan): Change to use unified table. Use
9364 is_hspace to test for whitespace.
9366 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9367 definition that doesn't provoke the "empty body in an
9368 if-statement" warning.
9370 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9372 * builtins.c (expand_builtin_strlen): Force the source to
9373 be a memory address.
9375 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9377 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9379 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9381 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9382 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9383 (ECF_IS_CONST): Rename to ECF_CONST.
9384 (special_function_p): Make static, change interface.
9385 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9386 (expand_call) ... here; convert number of variables to flags.
9387 (emit_library_call_vlue_1): Likewise.
9388 (setjmp_call_p): New function.
9389 (initialize_argument_information): Accepts flags as argument;
9391 (precompute_arguments): Likewise.
9392 * tree.h (special_function_p): Remove.
9393 (setjmp_call_p): Add prototype.
9395 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9397 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9398 so that addresses are offsetable by up to 16 bytes.
9399 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9400 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9403 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9404 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9405 (movsf): Don't force any constant to memory if target is integer
9407 Move fp_zero_operand check below the const0_rtx check.
9408 (movtf): Likewise. Also allow fp_zero_operand for stores into
9410 (movdf): Likewise. Also allow fp_zero_operand for stores into
9411 memory and into integer hard registers.
9412 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9413 movdf_const_intreg_sp64): Remove.
9414 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9416 (movdf_no_e_insn_v9_sp32): New pattern.
9417 (movdf_insn_v9only): Remove.
9418 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9419 (movdf_insn_sp64): Remove.
9420 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9421 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9422 (following splits): Rewrite conditions. Add two new splits
9423 for storing 0.0 into memory and registers.
9424 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9425 (movtf_insn_sp32): Redo constraints and conditions.
9426 (movtf_insn_vis_sp32): New pattern.
9427 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9428 (movtf_insn_hq_sp64): Likewise.
9429 (movtf_insn_hq_vis_sp64): New pattern.
9430 (movtf_insn_sp64): Redo constraints and conditions.
9431 (movtf_insn_vis_sp64): New pattern.
9432 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9433 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9435 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9436 -mvis or -m64 to take down the number of various reload patterns.
9438 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9440 * pa/pa-64.h: New file.
9441 * pa/pa64-regs.h: New file.
9442 * pa/pa64-start.h: New file.
9443 * pa/t-pa64: New file.
9444 * pa/xm-pa64hpux.h: New file.
9446 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9448 * sparc.c (output_restore_regs): Prototype.
9449 (sparc_emit_float_lib_cmp): Constification.
9451 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9453 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9456 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9457 (get_value_hash, hash_rtx): Likewise.
9459 * ssa.c (compute_conservative_reg_partition): Prototype.
9461 * tree.c (mark_hash_entry): Prototype.
9463 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9465 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9466 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9467 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9469 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9470 * objc/lang-specs.h: Likewise.
9472 2000-04-03 Neil Booth <NeilB@earthling.net>
9474 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9475 and SYNTAX_ERROR2. Replace `' in messages with ''.
9476 (op_to_str): Make re-entrant.
9477 (_cpp_parse_expr): Implement new error macros. Use | rather
9478 than || to logically or 2 boolean integers. Simply expression
9479 checking we have a left operand iff needed.
9481 2000-04-03 Nick Clifton <nickc@cygnus.com>
9483 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9485 2000-04-03 Philip Blundell <philb@gnu.org>
9487 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9489 2000-04-03 Felix Lee <flee@cygnus.com>
9491 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9492 (run_shell): Use it.
9494 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9496 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9497 (stmp-fixproto): ...rather than here.
9499 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9501 * pa.c (print_operand): Compute 'base' only inside the code paths
9504 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9506 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9509 2000-04-03 Philipp Thomas <pthomas@suse.de>
9511 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9513 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9515 * Makefile.in (alias.o): Depend on $(TREE_H).
9517 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9519 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9521 * cpplib.c (_cpp_handle_directive): Improve warnings for
9522 traditional C and indented directives.
9524 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9525 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9526 fixinc/inclhack.def: Indent the # of #include_next one space.
9527 * cp/rtti.c: Un-indent #if and #endif.
9529 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9530 syntax error, but an error has already been printed.
9531 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9532 message when called with nothing remaining on the line.
9533 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9534 OTHER token, not an ASSERTION.
9535 * cpplib.c (do_assert): When we create a 'base' node, clear
9536 its aschain pointer.
9538 2000-04-02 Neil Booth <NeilB@earthling.net>
9540 * cppexp.c: New typedef op_t. struct operation and struct
9541 token updated to use it.
9542 (op_to_str): New function.
9543 (_cpp_parse_expr): Error messages modified to use op_to_str.
9545 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9547 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9548 before checking MUST_PASS_IN_STACK.
9550 2000-04-02 Neil Booth <NeilB@earthling.net>
9552 * cppexp.c: New FINISHED dummy token. Combine operator initial
9553 flags and initial priority into a single constant. New
9554 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9555 (_parse_cpp_expr): Implement new constants. Take left operand
9556 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9557 parse indicated by reducing FINISHED token. Remove new lines
9558 from cpp_error messages.
9560 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9562 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9565 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9567 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9568 directive. Add origin values to DIRECTIVE_TABLE. Generate
9569 the strings and function names on the fly. Take the #sccs
9570 entry out of the table if SCCS_DIRECTIVE is not defined.
9571 (_cpp_handle_directive): Decide if the # was at the beginning
9572 of the line here. Issue -pedantic warnings for extended
9573 directives here. Warn about K+R directives with the #
9574 indented, and C89/extended directives with the # not indented,
9576 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9577 do_assert, do_unassert): Don't issue pedantic warning here.
9579 * cpphash.h: Add CPP_WTRADITIONAL macro.
9580 * cpplib.h (struct cpp_options): Rename warn_stringify to
9581 warn_traditional; update comments.
9582 * cppinit.c (handle_option): Set warn_traditional not
9584 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9585 CPP_WTRADITIONAL (pfile).
9586 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9587 be ignored in -traditional mode here.
9589 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9590 to initialize speccase[] and trigraph_map[]. Delete all
9591 references to pfile->input_speccase. Always treat '?' as a
9592 special character. Remove table-initialization code from
9593 _cpp_init_input_buffer.
9595 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9596 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9598 2000-04-01 Richard Henderson <rth@cygnus.com>
9600 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9601 (mostlyclean): Likewise.
9603 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9604 (struct dump_file_info, enum dump_file_index, dump_file): New.
9605 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9606 not a string. Clean out file if we havn't yet done so. Do nothing
9607 if the dump isn't enabled.
9608 (close_dump_file): Do nothing if the dump isn't open. Dump
9609 graph data if requested.
9610 (dump_rtl, clean_dump_file): Remove.
9611 (compile_file): Don't clean the dump files. Only finalize .bp dump
9612 if flag_test_coverage or flag_branch_probabilities. Only finalize
9613 .combine dump if optimizing. Iterate over dump_file to finalize the
9615 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9616 Convert all uses of dump_rtl.
9617 (decode_d_option): Iterate over dump_file to implement 'a' and to
9618 locate pass-specific dumps.
9620 2000-04-01 Neil Booth <NeilB@earthling.net>
9622 * cppexp.c: Redefine priority constants.
9623 (_cpp_parse_expr): Replace left and right priority scheme with
9624 single priority logic. Move LOGICAL to same place as COMPARE.
9625 Remove bogus check for multiple unary +/- operators.
9627 2000-04-01 Neil Booth <NeilB@earthling.net>
9629 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9630 within the switch statement. Binary operations break out of
9631 the switch naturally. '(' tokens handled by forcing
9632 immediate shift. ')' handled by forcing immediate reduce to
9633 the previous '('. New error messages.
9635 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9637 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9638 part', it's already in use. Use %K instead. Add a return at the
9639 end of what is now %K.
9640 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9642 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9644 * builtins.c (expand_builtin_apply): Pass proper parameters to
9645 allocate_dynamic_stack_space.
9646 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9647 update stack_pointer_delta; do not update arg_size_so_far.
9648 (compute_argument_block_size): Use stack_delta instead of
9649 stack_pointer_pending and arg_size_so_far.
9650 (expand_call): Add sanity checking for stack_pointer_delta;
9651 save and restore stack_pointer_delta for SIB, use
9652 stack_pointer_delta for alignment; do not update arg_space_so_far.
9653 (emit_library_call_value): Use stack_pointer_delta for alignment.
9654 (store_one_arg): Do not update arg_space_so_far.
9655 * explow.c (adjust_stack, anti_adjust_stack): Update
9656 stack_pointer_delta.
9657 (allocate_dynamic_stack_space): Add sanity checking for
9658 stack_pointer_delta.
9659 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9660 stack_pointer_delta.
9661 (emit_push_insn): Update stack_pointer_delta.
9662 * function.h (struct expr_status): Add x_stack_pointer_delta;
9663 remove x_arg_space_so_far.
9664 (arg_space_so_far): Remove.
9665 (stack_pointer_delta): New macro.
9667 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9669 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9670 Reorder struct cpp_options and struct cpp_reader for better
9671 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9672 takes two args. Change all 'char' flags to 'unsigned char'.
9673 Move show_column flag into struct cpp_options. Don't
9674 prototype cpp_options_init.
9675 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9676 cppinit.c, cpplex.c, cpplib.c:
9677 Replace CPP_OPTIONS (pfile)->whatever with
9678 CPP_OPTION (pfile, whatever), and likewise for
9679 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9681 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9682 Extract CPP_OPTION (pfile, pending) and work with that
9684 (cpp_options_init): Delete.
9685 (cpp_reader_init): Turn on on-by-default options here.
9686 Allocate the pending structure here.
9687 (cl_options, enum opt_code): Define these from the same table,
9688 kept in a large macro. Add -fshow-column and -fno-show-column
9691 * cpperror.c (v_message): If show_column is off, don't print
9694 * cppmain.c: Update for new interface.
9695 * fix-header.c: Likewise.
9697 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9699 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9701 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9702 are passed to any invocation of AR_FOR_TARGET.
9703 (AR_CREATE_FOR_TARGET): New macro.
9704 (AR_EXTRACT_FOR_TARGET): New macro.
9705 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9706 AR_EXTRACT_FOR_TARGET.
9707 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9708 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9709 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9710 AR_EXTRACT_FOR_TARGET to sub-makes.
9712 2000-03-31 Neil Booth <NeilB@earthling.net>
9714 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9716 (_cpp_parse_expr): Check for multiple unary +/- operators.
9717 Correct priorities of ':' and '?'. Treat ')' as having a
9718 value. Ensure conditional expression is not void.
9720 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9722 * alias.c (canon_rtx): Make it global.
9723 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9725 * cse.c (struct table_elt): Add canon_exp.
9727 (invalidate): Canonicalize expressions only once.
9728 * rtl.h (canon_rtx): Declare.
9730 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9732 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9733 * alias.c (reg_known_value): Add comments.
9734 (init_alias_analysis): Likewise.
9735 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9737 (cse_basic_block): Fix typo in comment.
9738 * emit-rtl.c: Include hashtab.h.
9739 (const_int_htab): New variable.
9740 (const_int_htab_hash): New function.
9741 (const_int_htab_eq): Likewise.
9742 (rtx_htab_mark_1): Likewise.
9743 (rtx_htab_mark): Likewise.
9744 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9745 (unshare_all_rtx): Fix formatting.
9746 (init_emit_once): Initialize const_int_htab.
9747 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9749 * rtl.texi: Document the fact that all CONST_INTs with the same
9752 2000-03-30 Richard Henderson <rth@cygnus.com>
9754 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9756 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9758 * configure.in: Comment out --enable-c-cpplib stanza.
9759 * configure: Regenerate.
9761 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9763 * expr.c (store_constructor): Properly compute displacement and
9764 alignment when offset is variable.
9766 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9767 cases of alignment in bytes.
9769 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9771 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9772 since it is used to generate c-parse.y.
9773 * objc-parse.c, objc-parse.y: Regenerated.
9775 * function.c (expand_function_end): Pass alignment argument to
9776 emit_block_move in bits, not bytes.
9778 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9780 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9783 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9785 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9786 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9787 * function.c (assign_parms): Likewise.
9788 * integrate.c (expand_inline_function): Likewise.
9789 * stmt.c (expand_decl): Likewise.
9790 (copy_rtx_and_substitute): Likewise.
9791 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9792 (clear_by_pieces): Fix error in last change.
9793 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9794 * function.h (regno_pointer_align): Now unsigned.
9795 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9797 * config/i386/i386.c (aligned_operand): Likewise.
9798 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9799 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9800 (unaligned_memory_operand): Likewise.
9801 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9802 Also make alignments and sizes unsigned and some whitespace cleanup.
9803 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9805 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9806 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9807 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9808 (expand_builtin_memset): Likewise, but to clear_storage.
9809 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9810 (restore_fixed_argument_area): Likewise.
9811 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9812 (load_register_parameters): Likewise, to emit_group_load.
9813 (expand_call): Likewise, to emit_group_store and emit_block_move.
9814 (emit_library_call_value_1): Likewise, to emit_block_move.
9815 (store_one_arg): Likewise, and to emit_push_insn.
9816 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9817 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9818 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9819 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9820 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9821 (expand_assigment, store_expr, store_constructor_field): Likewise.
9822 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9823 (store_constructor, store_field, get_inner_reference): Likewise.
9824 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9825 (expand_expr, case COMPONENT_REF): Likewise.
9826 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9827 and positions; reindent code.
9828 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9829 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9830 (assign_parms): Likewise to emit_group_store.
9831 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9832 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9833 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9834 (expand_return): Likewise to {extract,store}_bit_field.
9835 * stor-layout.c (get_mode_alignment): Minor cleanup.
9836 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9837 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9839 2000-03-29 Nick Clifton <nickc@cygnus.com>
9841 * config/arm/arm.h: Undo effects of previous delta:
9842 (ASM_SPEC): Do not define.
9843 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9845 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9848 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9850 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9851 only after reading in the primary source file.
9853 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9855 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9856 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9857 or a reference to a va_list.
9858 * builtins.c (stabilize_va_list): Simplify now we don't have to
9859 work around C array address decay.
9860 * c-typeck.c (convert_for_assignment): Handle assignment to
9861 a reference parameter by taking the address of the RHS.
9862 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9863 (va_copy): Likewise.
9864 (__va_copy): Likewise.
9865 * ginclude/varargs.h (va_start): Likewise.
9866 (__va_copy): Likewise.
9868 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9870 * i386/djgpp.h: Remove extraneous "+".
9872 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9874 * calls.c (expand_call): Fix typo in last change.
9876 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9878 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9881 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9883 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9884 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9885 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9886 * tree.c (bit_position, byte_position): Likewise.
9887 * tree.h: Declare new functions.
9889 2000-03-29 Nick Clifton <nickc@cygnus.com>
9891 * config/arm/arm.c: Minor formatting changes/
9892 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9894 (ASM_SPEC): Define if not already defined.
9896 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9898 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9901 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9903 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9904 value, don't output it as unsigned.
9906 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9908 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9910 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9912 * c-common.c (c_common_nodes_and_builtins): Don't special case
9913 cplus_mode when declaring builtin bzero/bcmp, always avoid
9914 prototype arguments.
9916 2000-03-29 Bruce Korb <bkorb@gnu.org>
9918 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
9921 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9923 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
9924 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
9925 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
9926 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
9927 (save_fixed_argument_area, restore_fixed_argument_area):
9928 conditionize by #ifdef REG_PARM_STACK_SPACE only.
9929 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
9930 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
9931 (precompute_register_parameters): Avoid #ifdefs on
9932 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
9933 (stire_one_args): Likewise.
9934 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
9935 (emit_library_call_value_1): Likewise.
9936 (compute_argument_block_size): Align to STACK_BOUNDARY only for
9937 ACCUMULATE_OUTGOING_ARGS.
9938 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
9940 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
9941 (use_crosses_set_p): Likewise.
9942 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
9943 #define ACCUMULATE_OUTGOING_ARGS 1.
9944 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
9946 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
9948 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
9949 (TARGET_SWITCHES): Add push-args, no-push-args,
9950 accumulate-outgoing-args and no-accumulate-outgoing-args.
9951 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
9952 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
9953 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
9955 (emit_push_insn): Likewise.
9956 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9957 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
9958 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9959 (STACK_DYNAMIC_OFFSET): Define correctly for both
9960 ACCUMULATE_OUTGOING_ARGS and normal mode.
9961 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
9962 * tm.texi (PUSH_ARGS): Document.
9963 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
9965 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
9967 * flags.h (flag_optimize_sibling_calls): Declare.
9968 * calls.c (expand_call): Fail sibcall when
9969 !flag_optimize_sibling_calls
9970 * invoke.texi (flag_optimize_sibling_calls): Document.
9971 * toplev.c (flag_optimize_sibling_calls): New global variable.
9972 (f_options): Add flag_optimize_sibling_calls.
9973 (rest_of_compilation): Conditionize
9974 optimize_sibling_and_tail_recursive_calls by
9975 flag_optimize_sibling_calls.
9976 (main): Set flag_optimize_sibling_calls for -O2.
9977 * stmt.c (expand_return): Conditionize tail recursion by
9978 flag_optimize_sibling_calls.
9980 2000-03-29 Richard Henderson <rth@cygnus.com>
9982 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
9983 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
9985 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
9987 * except.c (add_eh_table_entry): Mark type_info's as referenced.
9989 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9991 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
9993 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
9994 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
9995 * config/rs6000/aix.h: then modified likewise.
9997 2000-03-28 Richard Henderson <rth@cygnus.com>
9999 * rtl.h: Redistribute enum reg_note documentation.
10000 Kill trailing whitespace.
10001 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10002 Kill trailing whitespace.
10004 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10006 * cppfiles.c (hash_IHASH): Just return i->hash.
10007 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10008 htab_find_with_hash.
10009 (cpp_read_file): Likewise.
10010 (find_include_file): Likewise. Properly initialize
10011 ih->nshort. Share ih->name and ih->nshort if possible.
10012 * cpphash.c (_cpp_calc_hash): New function.
10013 (hash_HASHNODE): Just return h->hash.
10014 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10015 htab_find_with_hash.
10016 * cpphash.h: Prototype _cpp_calc_hash.
10017 * cppinit.c (initialize_builtins): Provide a valid hash
10018 to _cpp_make_hashnode, using _cpp_calc_hash.
10020 * cpphash.c (collect_expansion): # is not a special character
10021 in object-like macros. In -traditional mode, /**/ is not
10022 token paste at the beginning or end of the line.
10023 * cpplib.c (do_include, do_import, do_include_next): If
10024 parse_include fails, return immediately.
10026 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10028 * config/arm/arm.md (return peepholes): Update to reflect the new
10029 call insn patterns.
10030 * config/arm/arm.c (arm_volatile_func): Also check
10031 current_function_nothrow.
10032 (output_return_instruction, output_func_prologue): Use it.
10033 (arm_output_epilogue, arm_expand_prologue): Likewise.
10035 2000-03-27 Tom Tromey <tromey@cygnus.com>
10037 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10040 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10042 * expr.c (store_constructor): SIZE now signed.
10043 For EXPR_SIZE, don't evaluate size; just needed if constant.
10044 * fold-const.c (fold): Fix a number of cases when folded tree is
10046 * function.c (flush_addressof): Reenable.
10047 * tree.h (flush_addressof): Likewise.
10048 * toplev.c (independent_decode_option): Look at strings_processed.
10049 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10051 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10053 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10054 Allow stack adjustment after function call.
10056 * regmove.c (struct csa_memlist): Make mem field rtx *.
10057 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10058 (try_apply_stack_adjustment): Replace whole MEM rtx.
10059 (combine_stack_adjustments_for_block): Update calls
10060 to record_one_stack_ref.
10062 2000-03-28 Neil Booth <NeilB@earthling.net>
10064 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10065 '\\' rather than a null character, so nulls are not special. Fix
10066 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10067 speed trigraph conversion.
10068 (_cpp_init_input_buffer): Initialize trigraph map.
10070 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10072 * config/i386/i386.c (output_387_binary_op): Correct intel
10073 mode assembly output, and add spaces after commas in AT&T
10074 output. Correct Unixware assembler comment. Document input
10075 constraints. Comment fp operations. Reduce profligate buffer
10076 size. Remove extraneous abort. Localize temp var.
10077 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10078 (output_fix_trunc): Add spaces after commas in assembly output.
10080 2000-03-27 Richard Henderson <rth@cygnus.com>
10082 * i386-protos.h (ix86_match_ccmode): Declare.
10083 * i386.c (ix86_match_ccmode): New.
10084 (ix86_expand_fp_compare): Update for pattern renames.
10085 (ix86_expand_strlensi_unroll_1): Likewise.
10086 * i386.h (EXTRA_CC_MODES): Add CCZ.
10087 (SELECT_CC_MODE): Use it for EQ/NE zero.
10088 * i386.md (cmpsi_ccz_1): New.
10089 (cmpqi_ccz_1): New.
10090 (*testsi_ccz_1): New.
10091 (testqi_ccz_1): New.
10092 (cmpsi_ccno_1): Rename from cmpsi_0.
10093 (testsi_ccno_1): Rename from testsi_1.
10094 (testqi_ccno_1): Rename from testqi_1.
10095 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10096 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10097 (*cmphi_0): Use ix86_match_ccmode.
10098 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10099 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10100 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10101 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10102 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10103 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10104 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10105 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10106 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10107 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10108 (appropriate peepholes): Likewise.
10109 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10110 (*subsi_3, *subhi_3, *subqi_3): Remove.
10111 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10112 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10113 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10114 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10115 (x86_shift_adj_1): Use CCZ.
10116 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10118 2000-03-27 Stan Cox <scox@cygnus.com>
10120 * resource.h (mark_resource_type): New.
10121 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10122 find_free_register): Use mark_resource_type.
10123 (mark_set_resources): Change include_delayed_effects
10124 to mark_resource_type.
10125 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10126 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10127 Use mark_resource_type.
10129 2000-03-27 Richard Henderson <rth@cygnus.com>
10131 * i386.md (call_pop_0, call_value_pop_0): New.
10132 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10133 (call_value_pop_1): Likewise.
10134 (call_0, call_value_0): New.
10135 (call_1, call_value_1): Remove constraint from unused arg.
10137 2000-03-27 Nick Clifton <nickc@cygnus.com>
10139 * invoke.texi (Spec Files): Document new spec % command created by
10140 Tom Tromey's recent patch.
10142 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10144 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10147 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10149 * expr.c (expand_assignment): Fix typo in last change.
10151 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10153 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10155 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10156 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10157 and DECL_INLINE if FUNCTION_DECL.
10158 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10159 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10160 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10161 (combine_parm_decls): Likewise.
10162 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10163 * print-tree.c (print_node): Likewise.
10164 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10165 DECL_TRANSPARENT_UNION on proper decl types.
10166 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10167 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10168 DECL_BIT_FIELD of FIELD_DECL.
10169 * tree.h (DECL_RESULT_FLD): New macro.
10171 * expr.c (expand_assignment): Add code to handle variable-sized
10174 2000-03-26 Richard Henderson <rth@cygnus.com>
10176 * calls.c (expand_call): Pass parms not original exp to
10177 optimize_tail_recursion. Mind return value instead of looking
10179 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10180 call_expr. Move checks for call_expr and current_function_decl ...
10181 (expand_return): ... here.
10183 2000-03-26 Tom Tromey <tromey@cygnus.com>
10185 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10186 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10188 (process_command): Use them.
10189 (check_live_switch): Likewise.
10190 (give_switch): Skip ignored switches.
10192 2000-03-26 Jan Hubicka <jh@suse.cz>
10194 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10195 for minimal jump pass test.
10197 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10199 * integrate.c (function_cannot_inline_p): Do inline functions that
10202 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10204 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10205 now a list of TREE_LIST entries, not types.
10206 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10208 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10209 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10211 * config/mips/mips.c (function_arg): Likewise; also remove cast
10212 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10213 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10214 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10215 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10216 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10217 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10218 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10219 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10220 num_adjusts now unsigned.
10221 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10222 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10223 NREGS now unsigned.
10224 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10225 as is BITPOS variable; use host_integerp and int_bit_position.
10226 (function_arg_record_value_2): Likewise.
10227 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10228 Variable REGNO now unsigned.
10229 (function_arg_record_value): NREGS now unsigned.
10231 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10233 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10235 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10237 * Rework fields used to describe positions of bitfields and
10238 modify sizes to be unsigned and use HOST_WIDE_INT.
10239 * alias.c (reg_known_value_size): Now unsigned.
10240 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10241 (really_start_incremental_init): Use bitsize_zero_node.
10242 (push_init_level, pop_init_level, output_init_element): Likewise.
10243 Use bitsize_unit_node and bitsize_one_node.
10244 (output_pending_init_elements, process_init_element): Likewise.
10245 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10246 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10247 HOST_WIDE_INT, respectively.
10248 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10249 (num_sign_bit_copies): Returns unsigned.
10250 BITWIDTH now unsigned; rework arithmetic.
10251 Remove recursive call from arg to MAX.
10252 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10253 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10254 REGNO now unsigned.
10255 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10256 (find_split_point, expand_compound_operation, make_extraction): LEN
10257 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10258 (make_field_assignment): Likewise.
10259 (combine_simplify_rtx): Add cast.
10260 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10261 (force_to_mode): WIDTH now unsigned; add cast.
10262 (if_then_else_cond): SIZE now unsigned.
10263 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10264 (extended_count): Now returns unsigned.
10265 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10266 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10267 (simplify_comparison): MODE_WIDTH now unsigned.
10268 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10269 (mark_used_regs_combine): Likewise; rework arithmetic.
10270 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10271 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10272 (record_promoted_value): REGNO now unsigned.
10273 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10274 (get_last_value): REGNO now unsigned.
10275 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10276 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10277 (remove_death): Arg REGNO now unsigned.
10278 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10279 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10281 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10282 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10283 (struct cse_reg_info): REGNO now unsigned.
10284 (cached_regno): Now unsigned.
10285 (REGNO_QTY_VALID_P): Add cast.
10286 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10287 (remove_invalid_regs): Likewise.
10288 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10289 as are variables END and I.
10290 (get_cse_reg_info, insert): Likewise.
10291 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10292 (canon_hash): Likewise.
10293 (insert_regs, lookup_for_remove): REGNO now unsigned.
10294 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10296 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10297 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10298 * emit-rtl.c (subreg_realpart_p): Add cast.
10299 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10300 (operand_subword_force): Arg I is now unsigned.
10301 * except.c (eh_regs): Variable I is now unsigned.
10302 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10303 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10304 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10305 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10306 (extract_split_bit_field, store_bit_field, extract_bit_field):
10308 * expr.c (store_constructor_fields, store_constructor, store_field):
10309 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10310 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10311 (do_jump): Likewise.
10312 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10313 MAX_SIZE is now unsigned.
10314 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10315 (emit_group_store): Likewise.
10316 (emit_move_insn): I now unsigned.
10317 (store_constructor): Use host_integerp, tree_low_cst, and
10319 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10320 Rework all calculations to use trees and new fields.
10321 * expr.h (promoted_input_arg): Regno now unsigned.
10322 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10323 (mark_seen_cases): Arg is HOST_WIDE_INT.
10324 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10325 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10326 precisions and alignments are unsigned.
10327 (optimize_bit_field_compare, fold_truthop): Likewise.
10328 (int_const_binop): Adjust threshold for size_int_type_wide call.
10329 (fold_convert): Likewise.
10330 (size_int_type_wide): Make table larger and fix thinko that only
10331 had half of table used.
10332 (all_ones_mask_p, fold): Precisions are unsigned.
10333 * function.c (put_reg_info_stack): REGNO is unsigned.
10334 (instantiate_decl): Size is HOST_WIDE_INT.
10335 (instantiate_virtual_regs): I is unsigned.
10336 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10337 (promoted_input_arg): REGNO is unsigned.
10338 * function.h (struct function): x_max_parm_reg is now unsigned.
10339 * gcse.c (max_gcse_regno): Now unsigned.
10340 (struct null_pointer_info): min_reg and max_reg now unsigned.
10341 (lookup_set, next_set): REGNO arg now unsigned.
10342 (compute_hash_table): REGNO and I now unsigned.
10343 (handle_avail_expr): regnum_for_replacing now unsigned.
10344 (cprop_insn): REGNO now unsigned.
10345 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10346 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10347 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10348 * hard-reg-set.h (reg_class_size): Now unsigned.
10349 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10350 * jump.c (mark_modified_reg): I now unsigned; add cast.
10351 (rtx_equal_for_thread_p): Add cast.
10352 * loop.c (max_reg_before_loop): Now unsigned.
10353 (struct_movable): REGNO now unsigned.
10354 (try_copy_prop): REGNO arg unsigned.
10355 (regs_match_p): XN and YN now unsigned.
10356 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10357 (strength_reduce): Likewise; NREGS also unsigned.
10358 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10359 * loop.h (struct iv_class): REGNO now unsigned.
10360 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10362 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10363 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10364 * optabs.c (expand_binop): I and NWORDS now unsigned.
10365 (expand_unop): I now unsigned.
10366 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10367 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10368 * real.c (significand_size): Now returns unsigned.
10369 * real.h (significand_size): Likewise.
10370 * regclass.c (reg_class_size): Now unsigned.
10371 (choose_hard_reg_mode): Both operands now unsigned.
10372 (record_reg_classes): REGNO and NR now unsigned.
10373 (reg_scan): NREGS now unsigned.
10374 (reg_scan_update): old_max_regno now unsigned.
10375 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10376 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10377 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10378 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10379 Likewise for variable R.
10380 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10381 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10382 (find_equiv_reg): Add casts.
10383 (regno_clobbered_p): Arg REGNO now unsigned.
10384 * reload.h (struct reload): NREGS now unsigned.
10385 (refers_to_regno_for_reload_p): Regno args are unsigned.
10386 (regno_clobbered_p): Likewise.
10387 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10388 (compute_use_by_pseudos): REGNO now unsigned.
10389 (find_reg): I and J now unsigned, new variable K, and change loop
10390 variables accordingly; THIS_NREGS now unsigned.
10391 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10392 (spill_hard_reg): REGNO arg now unsigned; add casts.
10393 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10394 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10395 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10396 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10397 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10398 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10399 (emit_reload_insns): REGNO now unsigned.
10400 (reload_cse_move2add): Add cast.
10401 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10403 * resource.c (mark_referenced_resources, mark_set_resources): New
10404 variable R; REGNO and LAST_REGNO now unsigned.
10405 (mark_target_live_regs): J and REGNO now unsigned.
10406 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10407 * rtl.h (union rtunion_def): New field rtuint.
10408 (XCUINT): New macro.
10409 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10410 (operand_subword, operand_subword_force): Word number is unsigned.
10411 (choose_hard_reg_mode): Operands are unsigned.
10412 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10413 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10414 (regno_use_in, combine_instructions, remove_death): Likewise.
10415 (reg_scan, reg_scan_update): Likewise.
10416 (extended_count): Return is unsigned.
10417 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10418 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10419 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10420 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10421 (reg_reg_last_1): FIRS and LAST now unsigned.
10422 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10423 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10425 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10426 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10427 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10428 (replace_regs): Arg NREGS now unsigned.
10429 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10430 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10431 (simplify_binary_operation): Likewise.
10432 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10433 THIS_LAST now unsigned.
10434 (cselib_record_set): Add cast.
10435 * ssa.c (ssa_max_reg_num): Now unsigned.
10436 (rename_block): REGNO now unsigned.
10437 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10438 sizes now unsigned.
10439 (all_cases_count): Just return -1 not -2.
10440 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10441 Rework tests to use trees whenever possible.
10442 Use host_integerp and tree_low_cst.
10443 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10444 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10445 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10446 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10447 (smallest_mode_for_size): Likewise.
10448 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10449 KNOWN_ALIGN is now an alignment, so simplify code.
10450 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10451 (start_record_layout): Renamed from new_record_layout_info.
10452 Update to new fields.
10453 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10455 (place_union_field): Renamed from layout_union_field.
10456 Update to use new fields in rli.
10457 (place_field): Renamed from layout_field.
10458 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10459 (finalize_record_size): Rework to use new fields in rli and handle
10461 (compute_record_mode): Rework to simplify and to use new DECL fields.
10462 (finalize_type_size): Make rounding more consistent.
10463 (finish_union_layout): Deleted.
10464 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10465 (layout_type, case RECORD_TYPE): Call new function names.
10466 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10467 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10468 (get_best_mode): UNIT is now unsigned; remove casts.
10469 * tree.c (bit_position): Compute from new fields.
10470 (byte_position, int_byte_position): New functions.
10471 (print_type_hash_statistics): Cast to remove warning.
10472 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10473 (build_index_type): Likewise; make subtype of sizetype.
10474 (build_index_2_type): Pass sizetype to build_range_type.
10475 (build_common_tree_nodes): Use size_int and bitsize_int to
10476 initialize nodes; add bitsize_{zero,one,unit}_node.
10477 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10478 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10479 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10480 (DECL_FIELD_BITPOS): Deleted.
10481 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10482 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10483 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10484 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10485 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10486 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10487 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10488 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10489 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10490 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10491 (DECL_ALIGN): Adjust to new field in union.
10492 (DECL_OFFSET_ALIGN): New field.
10493 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10494 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10495 (union tree_decl): Add struct for both aligns.
10496 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10497 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10498 (struct record_layout_info): Rework fields to have offset
10499 alignment and byte and bit position.
10500 (start_record_layout, place_field): Renamed from old names.
10501 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10502 (byte_position, int_byte_position): Likewise.
10503 (get_inner_reference): Change types of position and length.
10504 * unroll.c (unroll_loop): New variable R; use for some loops.
10505 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10506 (calculate_giv_inc): Arg REGNO now unsigned.
10507 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10508 * varasm.c (assemble_variable): Clean up handling of size using
10509 host_integerp and tree_low_cst.
10510 (decode_addr_const): Use byte, not bit, position.
10511 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10512 use tree_low_cst and int_bit_position.
10513 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10515 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10517 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10518 (reorder_block_def): New members eff_head and eff_end.
10519 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10520 (verify_insn_chain): New function.
10521 (skip_insns_between_block): Add code to skip deleted insns.
10522 Check for note before using.
10523 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10524 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10525 Check for note before using.
10526 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10527 (fixup_reorder_chain): Restructure, clean up, defect removal.
10528 (reorder_basic_blocks): Remove last_insn and references to it.
10529 Moved insn chain verification code into a new function (see above).
10530 Delete defective code that sets last insn.
10531 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10534 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10536 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10538 2000-03-24 Richard Henderson <rth@cygnus.com>
10540 * tree.c (lang_safe_for_unsave): Remove.
10541 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10542 allowing for two levels of unsafeness. Remove lang hook.
10543 * tree.h: Update declarations.
10544 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10545 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10546 Always fail sibcalls when there are pending cleanups.
10548 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10550 * flow.c (propagate_block): When we delete an ADDR_VEC,
10551 also delete the BARRIER following it if there is one.
10553 2000-03-24 Richard Henderson <rth@cygnus.com>
10555 * builtins.c (expand_builtin_bzero): Convert `length' argument
10558 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10560 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10561 comparison if regno's are equal.
10562 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10563 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10564 (expand_call): Update caller.
10565 Avoid making a sibling call if argument size of the callee is larger
10566 than argument size of the caller.
10567 Call hard_function_value with outgoing set if in sibcall pass.
10568 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10570 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10571 Change LEAF_REGISTERS from an array initializer to actual array
10572 identifier. Move static global variable into the function.
10573 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10574 sequences for leaf functions.
10575 * global.c (global_alloc): Likewise.
10576 * tm.texi (LEAF_REGISTERS): Update documentation.
10578 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10579 TARGET_FLAT leaf disabling hack.
10580 (LEAF_REGISTERS): Changed from an array initializer to actual array
10581 identifier to avoid duplication and remove the above hack.
10582 (FUNCTION_OK_FOR_SIBCALL): Define.
10583 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10584 always like call attribute.
10585 (eligible_for_sibcall_delay): New attribute.
10586 (sibcall): New delay type.
10587 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10588 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10589 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10590 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10591 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10593 (output_function_epilogue): Move part of the code into
10594 output_restore_regs.
10595 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10597 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10600 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10601 until infrastructure is finished.
10603 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10605 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10606 (save_parm_insns): Not here.
10608 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10610 * builtins.c (expand_builtin_bzero): New function.
10611 (expand_builtin): Handle bzero.
10613 * builtins.def: Add BUILT_IN_BZERO.
10615 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10616 prototype & function for bzero.
10618 2000-03-23 Michael Meissner <meissner@redhat.com>
10620 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10621 change adding TARGET_FP to the TF floating point insns, except for
10622 trunctfsf2, which generates direct calls to truncdfsf2.
10624 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10626 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10627 try to protect against middle-end changes that break binary
10629 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10631 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10633 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10635 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10637 * calls.c (expand_call): If TARGET is passed by reference and
10638 is readonly, write a CLOBBER.
10640 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10642 * builtins.c (expand_builtin): Handle bcmp.
10644 * builtins.def: Add BUILT_IN_BCMP.
10646 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10647 prototype & function for bcmp.
10649 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10651 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10652 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10653 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10655 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10657 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10658 alternative when using -fp64 -gp32.
10660 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10662 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10663 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10664 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10666 * frame.h (frame_state): Revert last change.
10667 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10668 * libgcc2.c (throw_helper): Revert last change.
10670 2000-03-22 Richard Henderson <rth@cygnus.com>
10672 * stmt.c (expand_asm_operands): Don't promote the temporary.
10674 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10676 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10677 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10678 c_get_alias_set): Likewise.
10679 * c-decl.c (duplicate_decls): Likewise.
10680 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10681 * calls.c (initialize_argument_information): Likewise.
10682 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10684 * dwarfout.c (decl_class_context,output_type): Likewise.
10685 * expr.c (get_inner_reference): Likewise.
10686 * fold-const.c (simple_operand_p,fold): Likewise.
10687 * function.c (aggregate_value_p): Likewise.
10688 * stmt.c (expand_asm_operands): Likewise.
10689 * varasm.c (named_section): Likewise.
10691 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10693 Implement dwarf2 exception handling for the ARM.
10694 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10695 (DWARF_FRAME_RETURN_COLUMN): Define.
10696 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10697 REG_FRAME_RELATED_EXPR note.
10698 (emit_sfm): Likewise.
10699 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10700 * dwarf2out.c (reg_save): Handle saving a register to itself.
10701 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10702 * except.c (eh_regs): Don't use the static chain reg if it's
10704 * frame.h (frame_state): Add cfa_saved field.
10705 * frame.c (execute_cfa_insn): Set it.
10706 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10708 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10710 (instantiate_virtual_regs): Adjust.
10712 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10713 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10714 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10716 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10717 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10719 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10721 * builtins.def: New file.
10723 * Makefile.in (TREE_H): Depend on builtins.def.
10725 * builtins.c (built_in_names): Use builtins.def.
10727 * tree.h (built_in_function): Likewise.
10729 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10731 * tree.c (size_in_bytes): Return size_zero_node, not
10734 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10736 * config/fp-bit.c (pack_d): Correct the case when a denormal
10737 is rounded up and stops being denormal.
10739 2000-03-21 Richard Henderson <rth@cygnus.com>
10741 * config/alpha/alpha.c (function_arg): Check for void_type_node
10742 before using MUST_PASS_IN_STACK.
10744 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10746 * regmove.c (combine_stack_adjustments_for_block): Check that
10747 the stack pointer is a valid memory address.
10749 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10751 * calls.c: re-install Mar 16 emit_library_call merge.
10753 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10755 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10756 we cannot be sure that if reload_completed base register will
10757 be properly aligned.
10759 2000-03-21 Richard Henderson <rth@cygnus.com>
10761 * flow.c (delete_block): Fix typo last change.
10763 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10765 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10766 not COMPLETE_TYPE_P, to check the type of the expression.
10768 2000-03-21 Michael Meissner <meissner@redhat.com>
10770 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10771 all floating point insns that just tested the macro
10772 TARGET_HAS_XFLOATING_LIBS.
10773 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10774 used to only use the gprs.
10776 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10778 * tree.h (COMPLETE_TYPE_P): New macro.
10779 (COMPLETE_OR_VOID_TYPE_P): New macro.
10780 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10781 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10782 * c-aux-info.c (gen_type): Use them.
10783 * c-common.c (c_expand_expr_stmt): Likewise.
10784 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10785 grokdeclarator, grokparms, finish_struct, start_function,
10786 store_parm_decls, combine_parm_decls): Likewise.
10787 * c-parse.y (cast_expr): Likewise.
10788 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10789 c_size_in_bytes, c_alignof, build_component_ref,
10790 build_indirect_ref, build_array_ref, convert_arguments,
10791 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10792 * calls.c (initialize_argument_information): Likewise.
10793 * convert.c (convert_to_integer): Likewise.
10794 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10795 * dwarfout.c (location_or_const_value_attribute,
10796 output_enumeration_type_die, output_structure_type_die,
10797 output_union_type_die, output_type): Likewise.
10798 * expr.c (safe_from_p, expand_expr): Likewise.
10799 * function.c (assign_parms): Likewise.
10800 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10801 * tree.c (build_array_type, build_function_type,
10802 build_method_type, build_offset_type, build_complex_type): Likewise.
10803 * c-parse.c, c-parse.h: Regenerated.
10805 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10807 * config/c4x/rtems.h: Include config/rtems.h.
10809 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10811 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10812 decl is a FUNCTION_DECL
10814 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10816 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10817 function uses output registers. Don't save RP for leaf functions.
10818 Do save RP even if no epilogue.
10819 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10820 (CALL_USED_REGISTERS): Unmark in registers.
10821 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10822 to near the middle.
10824 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10826 * config/rs6000/rs6000.md (bunordered): New expander.
10827 (bordered): New expander.
10828 (buneq): New expander.
10829 (bunge): New expander.
10830 (bungt): New expander.
10831 (bunle): New expander.
10832 (bunlt): New expander.
10833 (bltgt): New expander.
10835 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10836 (ccr_bit_negated_p): New function.
10837 (print_operand): For %C, generate appropriate cror for UNEQ,
10838 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10840 2000-03-20 Andreas Jaeger <aj@suse.de>
10842 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10845 * tree.h (safe_for_unsave): Prototype.
10847 2000-03-20 Richard Henderson <rth@cygnus.com>
10849 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10850 (combine_stack_adjustments_for_block): Don't allow sp references
10851 in the side of a set we're not fixing up.
10852 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10853 after life_analysis.
10855 2000-03-20 Richard Henderson <rth@cygnus.com>
10857 * calls.c (expand_call): Don't bother generating tail call
10858 sequences if there are pending cleanups. Use
10859 expand_start_target_temps/expand_end_target_temps to elide
10860 cleanups created during sibcall expansion.
10862 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10864 * configure.in: Set $IFS to a value if it doesn't already have one
10865 in the --enable-checking handling.
10866 * configure: Regenerate.
10868 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10870 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10871 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10874 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10876 * jump.c (delete_noop_moves): Remove code attempting to
10877 combine stack adjustments.
10879 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10881 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10882 * except.c (emit_cleanup_handler): Use them.
10883 (expand_end_all_catch): Likewise.
10884 * function.c (fixup_var_refs): Likewise.
10885 (expand_function_end): Clear catch_clauses_last.
10886 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10887 * except.h (struct eh_status): New field x_catch_clauses_last.
10888 (catch_clauses_last): New define.
10890 * Makefile.in (tree.o): Depend on HASHTAB_H.
10891 * tree.c: Include hashtab.h.
10892 (struct type_hash): Remove next field.
10893 (TYPE_HASH_SIZE): Remove.
10894 (TYPE_HASH_INITIAL_SIZE): New define.
10895 (type_hash_table): Change type to htab_t.
10896 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10897 mark_hash_entry): New functions.
10898 (init_obstacks): Allocate type hash.
10899 (type_hash_lookup): Use htab functions.
10900 (type_hash_add, mark_type_hash): Likewise.
10901 (dump_tree_statistics): Call print_type_hash_statistics.
10903 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10905 * rs6000/t-aix41: New file.
10907 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10909 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10911 * tm.texi (Driver): Fix typos and tweak entry for
10913 Move misplaced STRUCT_FORCE_BLK entry ...
10914 (Storage Layout): ... to here.
10915 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
10917 2000-03-19 Richard Henderson <rth@cygnus.com>
10919 * flow.c (delete_block): Delete the addr_vec along with the block.
10920 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
10923 * fold-const.c (extract_muldiv): Apply type check for defined
10924 overflow to multiply as well as divide.
10926 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
10928 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10930 * emit-rtl.c (remove_unncessary_notes): Check that all
10931 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
10932 associated NOTE_BLOCK.
10933 * function.h (identify_blocks): Update comments.
10934 (reorder_blocks): Declare.
10935 * function.c (identify_blocks): Don't take paramters.
10936 (reorder_blocks): Don't take parameters.
10937 * loop.h (find_loop_tree_blocks): Remove.
10938 (unroll_block_trees): Likewise.
10939 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
10940 reorder_blocks instead of unroll_block_trees.h
10941 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
10942 * stmt.c (find_loop_tree_blocks): Remove.
10943 (unroll_block_trees): Likewise.
10944 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
10945 in whole-function mode.
10946 * tree.h (reorder_blocks): Remove declaration.
10948 * expr.c: Include intl.h.
10949 * Makefile.in (expr.o): Depend on intl.h.
10951 2000-03-18 Richard Henderson <rth@cygnus.com>
10953 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
10955 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10957 * tree.h (tree_index): Remove enumerals for integer types.
10958 (integer_type_kind): New type.
10959 (integer_types): New variable.
10960 (char_type_node): Adjust.
10961 (signed_char_type_node): Likewise.
10962 (unsigned_char_type_node): Likewise.
10963 (short_integer_type_node): Likewise.
10964 (short_unsigned_type_node): Likewise.
10965 (integer_type_node): Likewise.
10966 (unsigned_type_node): Likewise.
10967 (long_integer_type_node): Likewise.
10968 (long_unsigned_type_node): Likewise.
10969 (long_long_integer_type_node): Likewise.
10970 (long_long_unsigned_type_node): Likewise.
10971 * tree.c (integer_types): New variable.
10972 (init_obstacks): Register it as a root.
10974 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
10976 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
10977 NEXT_INSN. Update last insn in chain.
10979 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
10981 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
10982 with TYPE_DECL_SUPPRESS_DEBUG set.
10984 2000-03-18 Richard Henderson <rth@cygnus.com>
10986 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
10988 2000-03-18 Richard Henderson <rth@cygnus.com>
10990 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
10991 care for HALF_PIC_P.
10992 (expander_call_insn_operand): Remove.
10993 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
10994 * i386.h (PREDICATE_CODES): Update.
10995 * i386.md (all call expanders): Remove predicates, remove special
10996 handling for half-pic.
10997 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
10998 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
10999 (sibcall_epilogue): New.
11001 2000-03-17 Richard Henderson <rth@cygnus.com>
11003 * rtlanal.c (single_set): Reject if the parallel has anything
11004 except SET or USE or CLOBBER.
11006 2000-03-17 Jeff Law <law@cygnus.com>
11007 Richard Henderson <rth@cygnus.com>
11009 * Makefile.in (OBJS): Add sibcall.o.
11011 * sibcall.c: New file.
11012 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11013 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11014 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11015 Emit sibcall patterns when requested. Update all callers.
11016 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11017 elimination seems feasable.
11018 * final.c (leaf_function_p): Sibling calls don't discount being
11020 * flow.c (HAVE_sibcall_epilogue): Provide default.
11021 (find_basic_blocks_1): Sibling calls don't throw.
11022 (make_edges): Make edge from sibling call to EXIT.
11023 (propagate_block): Don't remove sibcall_epilogue insns.
11024 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11025 (sibcall_epilogue): New.
11026 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11027 (identify_blocks_1): Likewise. Break out from ...
11028 (identify_blocks): ... here.
11029 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11030 (reorder_blocks): ... here.
11031 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11032 (record_insns): Extend a varray instead of mallocing new memory.
11033 (contains): Read a varray not array of ints.
11034 (sibcall_epilogue_contains): New.
11035 (thread_prologue_and_epilogue_insns): Emit and record
11036 sibcall_epilogue patterns.
11037 (init_function_once): Allocate prologue/epilogue varrays.
11038 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11039 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11040 Broken out from ...
11041 (save_for_inline_nocopy): ... here.
11042 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11043 Broken out from ...
11044 (expand_inline_function): ... here.
11045 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11046 (subst_constants): Handle 'n' formats.
11047 * jump.c (jump_optimize_minimal): New.
11048 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11049 optimizations if it's set.
11050 * rtl.c (copy_rtx): Do copy jump & call for insns.
11051 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11052 (SIBLING_CALL_P): New.
11053 (sibcall_use_t): New.
11054 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11055 Invoke optimize_sibling_and_tail_recursive_calls.
11056 * tree.c (lang_safe_for_unsave): New.
11057 (safe_for_unsave): New.
11058 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11060 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11061 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11062 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11064 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11066 * objc/objc-act.c (encode_method_prototype): Pass types, not
11067 PARM_DECLs, to int_size_in_bytes.
11069 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11071 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11073 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11074 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11076 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11078 * Clean up usages of TREE_INT_CST_LOW.
11079 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11080 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11082 * c-tree.h (min_precision): Move declaration to here.
11083 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11084 (build_unary_op, add_pending_init): Use bit_position.
11085 (pending_init_member, process_init_element): Likewise.
11086 (really_start_incremental_init, push_init_level, pop_init_level):
11087 Don't make copies of nodes or modify them in place, use consistent
11088 types when tracking positions, and use tree routines computations.
11089 (set_init_index, output_init_element): Likewise.
11090 (output_pending_init_elements, process_init_element): Likewise.
11091 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11092 tree_low_cst and int_bit_position; also minor cleanup.
11093 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11094 (print_cst_octal): Precision is unsigned.
11095 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11096 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11097 (simple_type_align_in_bits): Result is unsigned int.
11098 Use tree_int_low_cst and host_integerp.
11099 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11100 (field_byte_offset): Result is HOST_WIDE_INT.
11101 Change types of internal variables so alignments are unsigned int,
11102 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11103 Use host_integerp, tree_low_cst, and int_bit_position.
11104 (add_bit_offset_attribute): Likewise.
11105 (add_data_member_location_attribute): Use tree_cst_low.
11106 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11107 (add_bit_size_attribute): Use tree_low_cst.
11108 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11109 * dwarfout.c: Similar changes to dwarf2out.c.
11110 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11111 * genoutput.c (n_occurences): Return -1 for null string.
11112 (strip_whitespace): Accept null string and make into function.
11113 (scan_operands): Reflect above changes.
11114 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11115 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11116 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11117 * tree.c (int_size_in_bytes): Check for too big to represent.
11118 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11119 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11121 (min_precision): Delete from here.
11122 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11123 and int_bit_position.
11124 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11125 (encode_method_def): Likewise.
11126 (build_ivar_list_initializer): Use int_bit_position.
11127 (generate_shared_structures): Convert size.
11128 (encode_type, encode_complete_bitfield): Use integer_zerop.
11129 (encode_bitfield): Use tree_low_cst and int_bit_position.
11131 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11133 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11135 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11137 * call.c (special_function_p): It is only malloc if it returns
11140 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11142 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11143 (C33_FLAG, TARGET_C3X): Add macros.
11144 (TARGET_SWITCHES): Add -m33 option.
11145 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11147 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11149 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11150 (PARALLEL_PACK_FLAG): Delete.
11151 (TARGET_SWITCHES): Update.
11152 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11154 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11156 * fold-const.c (fold): Fix a few cases when the returned result
11157 is not of the same type as the input.
11159 2000-03-16 Nick Clifton <nickc@cygnus.com>
11161 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11164 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11166 * libgcc2.h: Move prototypes above macros with the same name.
11167 Wrap some function prototypes in the conditional which indicates
11168 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11170 2000-03-16 Richard Henderson <rth@cygnus.com>
11172 * calls.c: Revert last two changes.
11174 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11176 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11177 has exponent 0 is a zero.
11179 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11180 HASH may already be nonzero. Add code/mode into hash value
11181 immediately after repeat label.
11182 (cselib_lookup): Don't leave the hash table in an inconsistent
11183 state before a hash lookup operation.
11185 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11187 * i386.md (all HI and QI mode non-move patterns): Conditionize
11188 by TARGET_[HQ]IMODE_MATH.
11189 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11190 x86_promote_qi_regs): Declare.
11191 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11192 TARGET_PROMOTE_QI_REGS): New macros.
11193 (PROMOTE_MODE): New macro.
11194 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11195 x86_promote_qi_regs): New global variables.
11197 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11199 * calls.c (emit_library_call_value_1): Break out from ...; handle
11200 VOIDmode function calls too.
11201 (emit_library_call_value): ... here.
11202 (emit_library_call): Implement by calling emit_library_call_value_1.
11204 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11206 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11207 Update arg_space_so_far on stack adjustments.
11208 (emit_library_call, emit_library_call_value): Likewise; take into
11209 account arg_space_so_far and pending_stack_adjust when calculcating
11212 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11214 * flow.c: Move all basic block reordering code into its own file.
11215 (create_basic_block): Externalize.
11216 * bb-reorder.c: New file. Copy all basic block reordering code from
11217 flow.c to this file.
11218 (reorder_basic_blocks): Fix fencepost error in for-loop.
11219 (reorder_basic_blocks): Remove braces from single statement for-loops.
11220 * basic-block.h: Add declaration for create_basic_block.
11221 * Makefile.in: Add rules for bb-reorder.o.
11223 2000-03-16 Neil Booth <NeilB@earthling.net>
11225 * cppinit.c (handle_option): Implement #unassert directive
11226 as -A- command line option.
11227 (print_help): Update.
11228 * cpptexi.c: Update.
11230 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11232 * md.texi (Standard Names): Document `jump'.
11234 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11236 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11239 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11241 Merge changes from newppc-branch onto trunk.
11243 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11245 * rs6000.c (toc_hash_table): Update for new hash table functions.
11246 (toc_hash_function): Likewise.
11247 (toc_hash_eq): Likewise.
11248 (toc_hash_mark_entry): Likewise.
11249 (toc_hash_mark_table): Likewise.
11250 (output_toc): Likewise.
11251 (rs6000_add_gc_roots): Likewise.
11253 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11255 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11256 (AR_FLAGS_FOR_TARGET): here. New macro.
11258 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11260 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11261 fpmem_operand) Delete.
11263 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11264 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11265 (rs6000_save_machine_status, rs6000_restore_machine_status,
11266 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11267 references to above variables.
11268 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11269 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11270 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11271 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11272 (XER_REGNO_P, XER_REGNO): New.
11273 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11274 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11275 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11277 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11278 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11279 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11281 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11283 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11284 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11285 * rs6000.h: from here.
11287 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11288 (rs6000_select_rtx_section): Likewise.
11289 (rs6000_encode_section_info): Likewise.
11290 (sdata_section): Likewise.
11291 (sdata2_section): Likewise.
11292 (sbss_section): Likewise.
11293 * sysv4.h (rs6000_select_section): Delete prototype.
11294 (rs6000_select_rtx_section): Likewise.
11295 (rs6000_encode_section_info): Likewise.
11296 (sdata_section): Likewise.
11297 (sdata2_section): Likewise.
11298 (sbss_section): Likewise.
11299 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11301 * sysv4.h: Delete various unnecessary #undef's and put a comment
11302 on the remaining ones.
11303 Change various comments according to coding standard.
11305 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11307 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11308 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11309 (CR0_REGNO_P) Remove.
11310 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11311 setup_incoming_varargs, mtcrf_operation, print_operand,
11312 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11313 Use the above macros.
11315 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11317 * config/rs6000/rs6000.md: Added a new alternative for each
11318 pattern that had a 'x' alternative but no 'y' alternative.
11319 Added a new split for each of the above patterns.
11321 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11323 * aix41.h (ASM_CPU_SPEC): Delete.
11324 (CPP_CPU_SPEC): Delete.
11326 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11327 (ASM_OUTPUT_LABEL): Define.
11328 (ASM_GLOBALIZE_LABEL): Define.
11329 (STRIP_NAME_ENCODING): Define.
11330 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11331 (STRIP_NAME_ENCODING): Don't define.
11332 (ASM_OUTPUT_LABEL): Don't define.
11333 (ASM_GLOBALIZE_LABEL): Don't define.
11334 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11335 names, and ASM_OUTPUT_LABEL to output labels, rather than
11337 (ASM_OUTPUT_LABEL): Define.
11338 (ASM_OUTPUT_INT): Use assemble_name.
11339 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11340 (STRIP_NAME_ENCODING): Don't undefine first.
11341 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11343 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11344 specified with 'asm' even with -fleading-underscore.
11345 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11346 (output_epilog): Likewise.
11347 (output_toc): Likewise.
11348 * tramp.asm: Handle -fleading-underscore correctly.
11350 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11352 (nonlocal_goto_receiver): Delete.
11353 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11355 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11356 (SET_ASM_OP): Define.
11357 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11359 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11360 (ASM_LONG): Define.
11362 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11363 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11365 * rs6000.h: Add 'u' to more constants.
11367 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11369 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11371 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11373 * rs6000.c (reg_or_u_cint_operand): New function.
11374 (logical_operand): Handle 64-bit hosts.
11375 (logical_u_operand): New function.
11376 (non_logical_cint_operand): Handle 64-bit hosts.
11377 (non_logical_u_cint_operand): New function.
11378 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11379 (PREDICATE_CODES): Define new functions.
11380 * rs6000-protos.h: Declare new functions.
11381 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11382 (movdi_64): Bracket code intended for 64-bit hosts. Create
11383 CONST_DOUBLE for 32-bit values.
11384 (scc insns): Generate DImode compares.
11385 (mfcr insns): Create DImode versions.
11386 (sge matchers): New patterns.
11388 2000-02-15 Gabriel Paubert <paubert@iram.es>
11390 * rs6000.md: Correct instructions length attributes and
11391 constraints on unsigned compare instructions.
11392 (*ne0): Disable for PowerPC64.
11394 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11396 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11397 quantity, fix profile1.C test failure under -fPIC.
11399 * rs6000.c: Add 'u' to many constants to suppress warnings.
11400 (constant_pool_expr_1): Make static.
11401 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11402 * rs6000.h: Add 'u' to many constants to suppress warnings.
11404 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11405 for the start of the TOC, instead of LCTOC..0.
11406 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11408 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11409 (load_toc_aix_di): Use LCTOC..1.
11411 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11412 * rs6000.c (rs6000_legitimize_address): New function from
11413 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11414 symbols in the constant pool that really are TOC references.
11415 (print_operand_address): For ELF, write TOC offsets under
11416 -fPIC as subtractions in the insn.
11417 (output_toc): For ELF, define symbols in TOC as normal labels,
11419 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11420 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11421 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11422 * rs6000.md (movsi): Only use create_TOC_reference on
11423 symbols in the constant pool that really are TOC references.
11425 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11426 * rs6000.c (rs6000_reorg): Delete.
11427 * rs6000-protos.h (rs6000_reorg): Delete.
11429 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11431 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11433 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11434 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11435 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11436 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11437 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11438 rs6000_aix_emit_builtin_unwind_init.
11439 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11440 rs6000_emit_eh_toc_restore on AIX.
11441 (return_eh_si): Use r2.
11442 (return_eh_di): Use r2.
11444 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11445 since we're breaking binary compatibility anyway.
11447 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11449 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11450 constant_pool_expr_p): Declare them.
11451 (constant_pool_expr_p): Declare it.
11452 * config/rs6000/rs6000.c (toc_label_name): Define.
11453 (rs6000_override_options): Set toc_label_name.
11454 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11455 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11456 uses_TOC): New functions.
11457 (print_operand): Delete old '*' case.
11458 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11459 and strip off rtl for TOC before calling output_addr_const.
11460 (rs6000_emit_load_toc_table): Use toc_label_name.
11461 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11463 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11464 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11465 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11466 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11467 into explicit TOC_REGISTER offsets.
11468 (TOC_REGISTER): New macro.
11469 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11470 TARGET_TOC to reference TOC_REGISTER.
11471 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11472 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11473 uses_TOC before emitting label references.
11475 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11477 * rs6000.md (stack_tie): Fix warning.
11479 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11480 to handle -fleading-underscore.
11481 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11482 (USER_LABEL_PREFIX): New macro.
11483 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11484 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11485 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11486 call-linux can use the same multilibs.
11487 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11488 and call-linux multilibs. Do multilib with -fleading-underscore.
11489 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11490 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11493 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11494 have MASK_SOFT_FLOAT set.
11495 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11496 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11497 CPP_FLOAT_DEFAULT_SPEC.
11499 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11500 * rs6000.md: Whitespace change.
11501 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11502 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11504 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11506 * rs6000.md (eh_epilogue): New expander.
11507 (eh_reg_restore): New expand/split/insn combination.
11508 (return_eh_si): New insn.
11509 (return_eh_di): New insn.
11511 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11512 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11513 * eabi-ctors.c (__do_global_ctors): Register this object's
11514 frame. Clean up. Call atexit() after the constructors.
11515 (__do_global_dtors): Deregister this object's frame. Clean up.
11516 Allow for recursive calls to exit().
11517 * rs6000.c (fixuplabelno): New variable.
11518 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11519 TARGET_RELOCATABLE, it slows down exec() under linux.
11520 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11522 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11523 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11524 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11525 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11526 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11527 (ASM_OUTPUT_DWARF_ADDR): New macro.
11528 (ASM_OUTPUT_DWARF_DATA4): New macro.
11529 (ASM_OUTPUT_DWARF_DATA2): New macro.
11530 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11531 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11532 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11534 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11536 * rs6000.c (rs6000_sr_alias_set): New variable.
11537 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11538 (rs6000_emit_stack_tie): New function.
11539 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11540 in a way that dwarf2out can understand.
11541 (rs6000_frame_related): New function.
11542 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11543 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11544 Use rs6000_emit_stack_tie when needed.
11545 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11546 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11547 * rs6000.md (stack_tie): New insn.
11548 (return_internal_si): Allow return value to be in the count
11550 (return_internal_di): Likewise.
11552 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11554 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11556 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11558 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11560 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11562 * rs6000.md (stmw): Use the right POWER opcode.
11565 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11567 * rs6000-protos.h: New file.
11569 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11571 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11574 * sysv4.h: Likewise.
11576 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11578 * ../../configure.in: Delete powerpcle-*-winnt*
11579 and powerpcle-*-pe|powerpcle-*-cygwin*.
11580 * ../../configure: Regenerated.
11581 * cygwin.h: Delete.
11582 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11583 (TARGET_WINDOWS_NT): Delete.
11585 (CALL_NT_DLLIMPORT): Delete.
11586 Delete NT-specific code.
11587 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11588 * win-nt.h: Delete.
11590 * nt-ci.asm: Delete.
11591 * nt-cn.asm: Delete.
11592 * ntstack.asm: Delete.
11594 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11596 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11597 (ASM_FILE_START): Likewise.
11598 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11599 (ASM_OUTPUT_LABELREF): Likewise.
11600 (ASM_OUTPUT_SKIP): Likewise.
11601 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11602 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11603 (ASM_OUTPUT_CASE_LABEL): Likewise.
11604 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11605 (ASM_OUTPUT_ASCII): Likewise.
11607 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11609 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11610 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11611 increment rs6000_pic_labelno here.
11612 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11613 and increment rs6000_pic_labelno here.
11615 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11617 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11618 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11619 allocation knows (reg) is dead before the insn.
11621 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11623 * rs6000.md (movsi_to_cr): Correct typo in output template.
11625 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11627 * rs6000.c (rs6000_pic_labelno): Always define.
11628 (rs6000_pic_func_labelno): Delete.
11629 (lmw_operation): Check for a zero base register,
11630 which doesn't mean what we want.
11631 (stmw_operation): New function.
11632 (print_operand): Define new 'l' modifier.
11633 (rs6000_stack_info): We must save all 64 bits of the registers
11634 if TARGET_POWERPC64.
11635 (rs6000_output_load_toc_table): Delete.
11636 (rs6000_emit_load_toc_table): New function.
11637 (rs6000_allocate_stack_space): Delete.
11638 (rs6000_emit_allocate_stack): New function.
11639 (rs6000_emit_prologue): New function.
11640 (output_prolog): Use rs6000_emit_prologue.
11641 (rs6000_emit_epilogue): Change a few variable names to be
11642 more accurate. Restore all 64 bits of the registers if
11643 TARGET_POWERPC64. Only restore the FP registers which were used
11644 if they are being saved/restored one-at-a-time.
11645 (output_mi_thunk): Delete inefficient code generation.
11646 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11647 * rs6000.h: Declare rs6000_emit_load_toc_table,
11648 rs6000_allocate_stack_space, stmw_operation. Don't declare
11649 rs6000_output_load_toc_table.
11650 * rs6000.md (elf_high): Allow register 0, but discourage it
11652 (elf_low): Support loading into register 0.
11653 (load_toc_aix_si): New pattern.
11654 (load_toc_aix_di): New pattern.
11655 (load_toc_v4_pic_si): New pattern.
11656 (load_toc_v4_pic_di): New pattern.
11657 (load_toc_v4_PIC_1): New pattern.
11658 (load_toc_v4_PIC_1b): New pattern.
11659 (load_toc_v4_PIC_2): New pattern.
11660 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11661 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11662 (prologue): New expander.
11663 (movesi_from_cr): New pattern.
11664 (stmw): New pattern.
11665 (save_fpregs_si): New pattern.
11666 (save_fpregs_di): New pattern.
11668 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11670 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11675 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11677 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11679 (movsi_got_internal): Likewise.
11680 (movsi_got_internal+1): Likewise.
11681 (set_sp): 'unspec 7' does a SImode clobber.
11683 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11685 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11686 allocate a stack temporary.
11687 (floatsidf2_internal): Likewise.
11688 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11690 (floatunssidf2): Don't use the fpmem "register", just
11691 allocate a stack temporary.
11692 (floatunssidf2_internal): Likewise.
11693 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11695 (floatsidf2_loadaddr): Delete.
11696 (floatsidf2_store1): Delete.
11697 (floatsidf2_store2): Delete.
11698 (floatsidf2_load): Delete.
11699 (fix_truncdfsi2): Don't use the fpmem "register", just
11700 allocate a stack temporary.
11701 (fix_truncdfsi2_internal_si): Delete.
11702 (fix_truncdfsi2_internal_di): Delete.
11703 (fix_truncdfsi2_internal): New insn.
11704 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11705 (fix_truncdfsi2_store): Delete.
11706 (fix_truncdfsi2_load): Delete.
11707 (fctiwz): Produce gen_fctiwz.
11709 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11711 * eabi.h (INVOKE__main): Define.
11712 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11714 (rs6000_emit_prologue): Likewise.
11715 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11716 this is the main program.
11718 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11720 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11722 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11724 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11725 goes after the argument.
11727 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11729 * rs6000.md: Document 'unspec' values used.
11730 (epilogue): New expander.
11731 (movesi_to_cr_one): New expander.
11732 (movesi_to_cr and following): New pattern.
11733 (lmw): New pattern.
11734 (return_internal_si): New pattern.
11735 (return_internal_di): New pattern.
11736 (return_and_restore_fpregs_si): New pattern.
11737 (return_and_restore_fpregs_di): New pattern.
11738 * rs6000.h: Declare new functions.
11739 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11740 rather than rs6000_calls_p.
11741 (rs6000_makes_calls): Delete.
11742 (lmw_operation): New function.
11743 (mtcrf_operation): New function.
11744 (rs6000_emit_epilogue): New function.
11745 (output_epilog): Call rs6000_emit_epilogue and final if
11746 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11748 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11750 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11751 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11752 * aix.h (SUBTARGET_SWITCHES): Document switches.
11753 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11754 sched-prolog and sched-epilog the same. Document all the
11756 (TARGET_OPTIONS): No longer allow -mdebug-.
11758 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11760 * rs6000.h (ASM_FILE_END): Move to aix.h.
11761 (EXTRA_SECTIONS): Move to aix.h.
11762 (READONLY_DATA_SECTION): Move to aix.h.
11763 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11764 (SELECT_SECTION): Move to aix.h.
11765 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11766 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11767 (LINK_REGISTER_REGNUM): New definition.
11768 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11769 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11771 * sysv4.h: Delete the code between the inclusion of rs6000.h
11773 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11774 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11775 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11776 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11777 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11778 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11779 (fix_truncdfsi2_internal_di): New pattern.
11780 (fix_truncdfsi2_store): The second arg here is Pmode too.
11781 (fix_truncdfsi2_load): The second arg here is Pmode too.
11782 (tablejumpdi): Now that switch tables hold only SImode values,
11783 gcc needs to know how to add them to the pc which is DImode.
11784 * rs6000.c (rs6000_stack_info): Use symbolic name for
11785 LINK_REGISTER_REGNUM.
11786 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11787 (output_toc): Delete unused variables s1 and s2.
11788 (output_ascii): Use fputs not fprintf on a variable string.
11790 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11792 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11793 * aix43.h: Revert Aug 2 change.
11794 (HAS_INIT_SECTION): Define, not visible yet.
11795 (LD_INIT_SWITCH): Define, not visible yet.
11796 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11798 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11800 * config/rs6000/rtems.h: Include config/rtems.h.
11802 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11804 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11805 (SLOW_UNALIGNED_ACCESS): Define.
11806 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11807 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11808 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11809 (toc_section): Likewise and .toc pseudo-op.
11810 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11812 (TEXT_SECTION_ASM_OP): Likewise.
11813 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11816 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11818 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11819 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11822 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11824 * rs6000.h: Move more stuff from here...
11826 * sysv4.h: Cleanup accordingly.
11827 * netware.h: Likewise
11829 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11831 * rs6000.h: Continue cleanup.
11833 * lynx.h: Likewise.
11834 * netware.h: Likewise.
11835 * sol2.h: Likewise.
11836 * sysv4.h: Likewise.
11837 * win-nt.h: Likewise.
11839 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11840 (TARGET_OPTIONS): Likewise.
11842 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11843 (SUBTARGET_OPTIONS): Likewise.
11845 * rs6000.md: Fix compile time warnings.
11847 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11849 vxworks patches from the Cygnus tree originally by
11850 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11851 <vmakarov@cygnus.com>.
11852 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11853 (ENDFILE_SPEC): Likewise.
11854 (LIB_VXWORKS_SPEC): New macro.
11855 (STARTFILE_VXWORKS_SPEC): New macro.
11856 (ENDFILE_VXWORKS_SPEC): New macro.
11857 (LINK_START_VXWORKS_SPEC): New macro.
11858 (LINK_OS_VXWORKS_SPEC): New macro.
11859 (CPP_OS_VXWORKS_SPEC): New macro.
11860 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11861 * vxppc.h: Rewrite to use proper configuration method.
11862 * vxppcle.h: New file.
11863 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11864 * ../../configure: Rebuilt.
11866 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11868 Lots of changes to rs6000.h, sysv4.h, aix.h,
11869 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11870 with the aim that rs6000.h is the first header
11871 included and the others override it.
11874 * x-aix41-gld: Remove.
11876 * x-aix41: Remove target-specific switches, and don't specify
11877 -Wl,-bbigtoc as we don't need it any more.
11878 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11879 Use t-aix43 for AIX 4.3 and above.
11880 * ../../configure: Regenerated.
11882 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11883 options, that don't do anything yet.
11884 (MASK_SCHED_PROLOG): New macro.
11885 (MASK_SCHED_EPILOG): New macro.
11886 (TARGET_SCHED_PROLOG): New macro.
11887 (TARGET_SCHED_EPILOG): New macro.
11889 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11891 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11892 one per translation unit, not one per function.
11893 (output_toc): Also do duplicate constant elimination
11894 for per-translation-unit TOCs.
11896 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11897 a comment explaining _exactly_ when this pattern gets used.
11898 (builtin_setjmp_receiver): New pattern for better clarity.
11899 (init_v4_pic): Move it into a section dealing with TOC registers.
11901 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11903 * rs6000.c (toc_hash_table): New variable.
11904 (rs6000_hash_constant): New function.
11905 (toc_hash_function): New function.
11906 (toc_hash_eq): New function.
11907 (toc_hash_mark_entry): New function.
11908 (toc_hash_mark_table): New function.
11909 (output_toc): Don't output duplicate TOC entries in
11911 (rs6000_add_gc_roots): Add the hash table as a GC root.
11912 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
11913 where they clearly shouldn't be. This may need to be fixed
11914 later when there is a GNU ar for AIX.
11915 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
11916 Don't define BOOT_LDFLAGS as it is now not necessary.
11918 1999-12-29 Geoff Keating <geoffk@cygnus.com>
11920 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
11921 for va_list on AIX. Use unsigned_char_type_node rather than
11922 constructing our own version on svr4.
11924 1999-12-17 Geoff Keating <geoffk@cygnus.com>
11926 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
11927 since patently it's not.
11929 1999-12-08 Geoff Keating <geoffk@cygnus.com>
11931 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
11932 define_expand/define_insn pair, and handle restore of the
11933 SVR4 -fpic register.
11935 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
11937 * acconfig.h (HAVE_GAS_WEAK): New define.
11938 * configure.in (assembler weak support): Check for .weak support.
11939 * config.in, configure: Rebuilt.
11940 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
11941 HAVE_GAS_WEAK is defined.
11943 2000-03-15 Nick Clifton <nickc@cygnus.com>
11945 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
11948 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
11950 * cppfiles.c (open_include_file): New function.
11951 (find_include_file, cpp_read_file): Use it.
11953 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11955 * cpphash.c (dump_hash_helper): Take the slot, not the element.
11957 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
11959 * flow.c (verify_flow_info): Check for unconditional return.
11961 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
11963 * config/ia64/ia64.md (restore_stack_nonlocal): New.
11964 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
11965 (__ia64_restore_stack_nonlocal): New.
11966 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
11968 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11970 * cpphash.c (collect_formal_parameters): Do not complain about
11971 parameter names that just start with `__VA_ARGS__'.
11973 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
11975 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
11976 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
11977 * i386.c (pentiumpro_cost): Set mul cost to 4.
11978 (x86_use_movx): Set for PPro.
11980 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
11982 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
11983 STACK_BOUNDARY for empty frames now.
11985 2000-03-14 Mark Mitchell <mark@codesourcery.com>
11987 * stor-layout.c (layout_union): Remove.
11988 (layout_union_field): New function, split out from layout_union.
11989 (finish_union_layout): Likewise.
11990 (layout_field): Handle unions by calling layout_union_field.
11991 (finish_record_layout): Handle unions.
11992 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
11993 QUAL_UNION_TYPE handling.
11995 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
11997 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
11998 end of basic block is jump_insn, not barrier; use create_basic_block
11999 instead of creating basic block by hand.
12001 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12003 * flow.c (reorder_basic_blocks): Account for barriers when writing
12004 over NEXT_INSN (last_bb->end).
12005 (verify_flow_info): Add check for missing barriers.
12007 2000-03-14 Greg McGary <gkm@gnu.org>
12009 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12010 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12011 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12012 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12013 __unbounded, __unbounded__): New keywords.
12014 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12015 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12016 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12018 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12020 * cselib.h: New file.
12021 * alias.c: Include "cselib.h".
12022 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12023 MEMs as two new arguments.
12024 (get_addr): New static function.
12025 (find_base_term): Handle VALUEs.
12026 (memrefs_conflict_p): Likewise.
12027 (true_dependence): Call get_addr on the addresses.
12028 Call fixed_scalar_and_varying_struct_p with addresses that have been
12029 passed through get_addr and canon_rtx.
12030 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12031 with true_dependence.
12032 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12033 * loop.c: Include "cselib.h".
12034 (load_mems): Process extended basic block that enters the loop with
12035 cselib. Use that information to change initialization of the shadow
12036 register so that a constant equivalence is seen by later passes.
12037 * reload1.c: Include "cselib.h".
12038 (reload_cse_invalidate_regno): Delete function.
12039 (reload_cse_mem_conflict_p): Likewise.
12040 (reload_cse_invalidate_mem): Likewise.
12041 (reload_cse_invalidate_rtx): Likewise.
12042 (reload_cse_regno_equal_p): Likewise.
12043 (reload_cse_check_clobber): Likewise.
12044 (reload_cse_record_set): Likewise.
12045 (reg_values): Delete static variable.
12046 (invalidate_regno_rtx): Likewise.
12047 (reload_cse_delete_noop_set): New static function.
12048 (reload_cse_simplify): New static function, broken out of
12050 (reload_cse_noop_set_p): Delete unused argument INSN.
12051 Just call rtx_equal_for_cselib_p on set source and destination.
12052 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12053 reload_cse_delete_noop_set. Delete code to keep track of values; use
12054 cselib functions instead. Delete code to push/pop obstacks.
12055 (reload_cse_simplify_set): Use cselib to find equivalent values.
12056 Delete code to push/pop obstacks.
12057 (reload_cse_simplify_operands): Likewise.
12058 * rtl.def (VALUE): New rtx code.
12059 * rtl.h (union rtunion_def): New elt rt_cselib.
12060 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12061 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12062 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12063 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12064 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12065 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12066 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12067 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12068 cselib_record_set, cselib_record_sets): New static functions.
12069 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12070 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12071 references_value_p): New functions.
12072 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12073 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12074 n_useless_values, reg_values, callmem, cselib_obstack,
12075 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12076 New static variables.
12077 * varray.h (union varray_data_tag): New elt te.
12078 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12079 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12082 2000-03-14 Nick Clifton <nickc@cygnus.com>
12084 * gcc.c (do_spec_1): Catch the case where %* is used in a
12085 substitution pattern, but it has not been initialised.
12086 Issue a meaningful error message if an unrecognised operator
12087 is encountered in a spec string.
12089 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12091 * function.c (prepare_function_start): Correctly initialize
12092 cfun->stack_alignment_needed.
12094 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12096 * cppfiles.c (find_include_file): Don't assume nshort is a
12099 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12101 * configure.in (hppa configurations): Add pa32-regs.h to the
12102 list of tm files as appropriate.
12103 * configure: Rebuilt.
12104 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12105 register numbering.
12106 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12107 (fmpyaddoperands, fmpysuboperands): Likewise.
12108 * pa.h: Remove various definitions which depend on knowing
12109 how registers are numbered.
12110 * pa32-regs.h: New file with PA32 register numbering specific
12113 2000-03-14 Richard Henderson <rth@cygnus.com>
12115 * regmove.c (combine_stack_adjustments): New.
12116 (stack_memref_p, single_set_for_csa): New.
12117 (free_csa_memlist, record_one_stack_memref): New.
12118 (try_apply_stack_adjustment): New.
12119 (combine_stack_adjustments_for_block): New.
12120 * rtl.h (combine_stack_adjustments): Declare.
12121 * toplev.c (rest_of_compilation): Call it.
12123 * i386.md: Revert 2000-01-16 change.
12125 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12127 * gccbug.in: Add web category, gcc specific classes.
12129 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12131 * stor-layout.c (finalize_record_size): Fix typo.
12133 2000-03-14 Stan Shebs <shebs@apple.com>
12135 * c-typeck.c (c_alignof): Error on incomplete types.
12136 * extend.texi (Alignment): Document this.
12138 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12140 * cppfiles.c: Include mkdeps.h.
12141 (find_include_file, read_include_file): Remove _cpp_ prefix
12142 from name, make static.
12143 (_cpp_execute_include): New function, broken out of
12146 * cpplib.c: Don't include mkdeps.h.
12147 (struct directive): Remove type field. Reorder entries. The
12148 function takes only one argument.
12149 (struct if_stack): Make type field an int.
12150 (directive_table): Rename to dtable. Generate it, the
12151 prototypes of the directive handlers, and the enum for the
12152 directive numbers, from a template macro.
12153 (do_ifndef, do_include_next, do_import): New functions.
12154 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12155 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12156 do_ident, do_assert, do_unassert, do_sccs): Take only one
12158 (do_sccs): Define always, but alter behavior based on
12160 (_cpp_handle_directive, consider_directive_while_skipping):
12161 Restructure for new directive table layout.
12163 (pass_thru_directive): Take a directive number, not a pointer
12164 to a struct directive.
12165 (parse_include): New function, broken out of do_include.
12166 (do_include, do_import, do_include_next): Use parse_include
12167 and _cpp_execute_include.
12168 (do_elif, do_else): Test for T_ELSE specifically when checking
12169 for #elif/#else after #else.
12170 (parse_ifdef): New function, broken out of do_ifdef.
12171 (validate_else): Expect a name arg without a leading #.
12172 (if_directive_name): Delete.
12173 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12174 directive handlers with only one argument.
12176 * cpphash.h: Update prototypes.
12177 (enum node_type): Remove entries for directives.
12178 * Makefile.in: Update dependencies.
12180 * cpphash.c (dump_hash_helper): Only dump nodes of type
12181 T_MACRO. Emit a newline after each definition.
12183 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12185 * gccbug.in: New file.
12186 * configure.in (all_outputs): Add gccbug.
12187 * Makefile.in (install-common): Install gccbug.
12188 (GCCBUG_INSTALL_NAME): New variable.
12189 * configure: Rebuilt.
12191 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12193 * function.c (put_var_into_stack): Use type_for_mode to calculate
12194 part_type. Use MEM_SET_IN_STRUCT_P.
12195 * expr.c (store_field): Handle CONCAT.
12196 (store_constructor): Use fields_length.
12197 * tree.c (fields_length): New fn.
12198 * tree.h: Declare it.
12200 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12202 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12203 (cpplex.o): New target.
12204 * po/POTFILES.in: Add cpplex.c.
12206 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12207 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12208 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12209 skip_block_comment, skip_line_comment, skip_comment,
12210 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12211 _cpp_parse_name, skip_string, parse_string,
12212 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12213 _cpp_get_directive_token, find_position,
12214 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12215 (maybe_macroexpand, _cpp_lex_token): New functions.
12217 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12218 parse_goto_mark): Delete.
12219 (_cpp_handle_eof): New function.
12220 (_cpp_handle_directive): Rename from handle_directive.
12221 (_cpp_output_line_command): Rename from output_line_command.
12222 (do_if, do_elif): Call _cpp_parse_expr directly.
12223 * cppfiles.c (_cpp_read_include_file): Don't call
12224 init_input_buffer here.
12225 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12226 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12227 here; pop the token_buffer and skip the rest of the line here.
12228 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12231 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12233 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12234 CPP_GOTO_MARK): New macros.
12235 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12236 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12237 _cpp_read_and_prescan, _cpp_init_input_buffer,
12238 _cpp_grow_token_buffer, _cpp_get_directive_token,
12239 _cpp_handle_directive, _cpp_handle_eof,
12240 _cpp_output_line_command): Prototype them here.
12241 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12242 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12243 quote_string, output_line_command): Remove.
12245 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12247 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12248 whether it is too large we must also verify that it isn't negative.
12250 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12252 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12253 (movsi_zero_liveg0): Remove.
12254 (movsf_insn_novis_liveg0): Remove.
12256 (negsi2_not_liveg0): Rename to negsi2.
12257 (one_cmplsi2): Remove.
12258 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12259 (one_cmplsi2_liveg0): Remove.
12260 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12261 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12262 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12263 (PREDICATE_CODES): Remove zero_operand.
12264 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12265 TARGET_BROKEN_SAVERESTORE.
12266 (zero_operand): Remove.
12267 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12268 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12270 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12271 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12272 TARGET_BROKEN_SAVERESTORE): Remove.
12273 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12275 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12277 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12280 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12282 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12284 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12285 truncating a string. Don't assume tokens are nul terminated.
12286 Problem noted by Andreas Jaeger <aj@suse.de>
12288 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12290 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12291 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12292 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12294 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12296 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12297 STRUCTURE_SIZE_BOUNDARY.
12299 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12301 * tree.h (record_layout_info_s): New structure.
12302 (record_layout_info): New type.
12303 (new_record_layout_info): New function.
12304 (layout_field): Likewise.
12305 (finish_record_layout): Likewise.
12306 * stor-layout.c (layout_record): Remove.
12307 (new_record_layout_info): New function.
12308 (layout_field): New function, broken out from layout_record.
12309 (finalize_record_size): Likewise.
12310 (compute_record_mode): Likewise.
12311 (finalize_type_size): New function, broken out from layout_type.
12312 (finish_record_layout): Likewise.
12313 (layout_type): Use them.
12315 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12317 * cpphash.c: Don't include version.h.
12318 (special_symbol) [case T_VERSION]: Look for the string in
12319 hp->value.cpval; don't use version_string.
12320 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12321 __VERSION__ to version_string.
12322 * Makefile.in (cpphash.o): Update deps.
12324 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12326 Convert cpplib to use libiberty/hashtab.c.
12328 * cpplib.h (struct cpp_reader): Make hashtab and
12329 all_include_files of type 'struct htab *'. Delete HASHSIZE
12330 and ALL_INCLUDE_HASHSIZE macros.
12332 * cpphash.h: Update prototypes.
12333 (struct hashnode): Remove next, prev, and bucket_hdr members.
12334 Make length a size_t. Add hash member.
12335 (struct ihash): Remove next member. Add hash member. Make
12336 name a flexible array member.
12338 * cppfiles.c: Include hashtab.h.
12339 (include_hash): Delete.
12340 (IHASHSIZE): New macro.
12341 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12342 (cpp_included): Do the hash lookup here.
12343 (_cpp_find_include_file): Rewrite.
12344 (cpp_read_file): Put the "fake" hash entry into the hash
12345 table. Honor the control_macro, if it turns out we've seen
12346 the file before. Don't push the buffer here.
12347 (_cpp_read_include_file): Push the buffer here.
12348 (OMODES): New macro. Use it whenever we call open(2).
12350 * cpphash.c: Include hashtab.h.
12351 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12352 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12353 _cpp_lookup_slot): New functions.
12354 (HASHSIZE): new macro.
12355 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12356 (_cpp_lookup): Use hashtab.h routines.
12358 * cppinit.c: Include hashtab.h.
12359 (cpp_reader_init): Call _cpp_init_macro_hash and
12360 _cpp_init_include_hash. Don't allocate hashtab directly.
12361 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12362 pfile->all_include_files.
12363 (initialize_builtins): Use _cpp_make_hashnode and
12364 htab_find_slot to add hash entries.
12365 (cpp_finish): Just call _cpp_dump_macro_hash.
12366 * cpplib.c: Include hashtab.h.
12367 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12368 create hash entries.
12369 (do_pragma_poison, do_assert): Likewise.
12370 (do_include): Don't push the buffer here. Don't increment
12371 system_include_depth unless _cpp_read_include_file succeeds.
12372 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12373 or htab_remove_elt.
12374 (do_pragma_implementation): Use alloca to create copy.
12376 * Makefile.in: Update dependencies.
12378 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12380 * cppinit.c (cl_directive_handler): More K&R fixing.
12382 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12384 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12386 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12388 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12390 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12391 Change from char[] to macros.
12393 2000-03-12 Neil Booth <NeilB@earthling.net>
12395 * cppinit.c (cpp_start_read): Update indirect function
12398 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12400 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12403 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12404 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12406 2000-03-11 Neil Booth <NeilB@earthling.net>
12408 * cppinit.c (struct pending option): Replace undef with a
12409 pointer to a directive handling routine.
12410 (struct cpp_pending): Replace separate assert_ and define_
12411 lists with one directive_ list.
12412 (new_pending_define): Rename new_pending_directive. Extra
12413 argument is the directive's handling routine.
12414 (handle_option): Update to use new_pending_directive.
12416 2000-03-11 Neil Booth <NeilB@earthling.net>
12418 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12419 remap_filename, _cpp_read_include_file, actual_directory,
12420 hack_vms_include_specification): Replace bcopy(), index() etc
12421 calls. Add casts to some allocations. Make some variables
12422 pointers to const [unsigned] char.
12423 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12424 collect_formal_parameters): Similarly.
12425 * cppinit.c (struct pending_option, append_include_chain,
12426 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12427 cpp_start_read, new_pending_define, handle_option): Similarly.
12428 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12429 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12430 do_pragma_implementation, detect_if_not_defined,
12431 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12432 do_assert, do_unassert): Similarly.
12433 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12434 function prototypes.
12435 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12437 2000-03-10 Richard Henderson <rth@cygnus.com>
12439 * builtins.c (expand_builtin_strlen): Revert last change.
12440 Use emit_insn_before if we're at the beginning of a sequence.
12442 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12444 * builtins.c (expand_builtin_strlen): Make sure that we have something
12445 at the beginning of the sequence.
12447 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12450 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12452 2000-03-10 Richard Henderson <rth@cygnus.com>
12454 * except.c (can_throw): Use INTVAL on a CONST_INT.
12455 (reachable_handlers): Likewise.
12456 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12458 2000-03-10 Andreas Jaeger <aj@suse.de>
12460 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12461 MD_STARTFILE_PREFIX since those are not needed on linux.
12462 (ASM_FILE_START): New, from mips/gnu.h.
12464 2000-03-09 Richard Henderson <rth@cygnus.com>
12465 Alex Samuel <samuel@codesourcery.com> and others
12467 * Makefile.in (ssa.o): New rule.
12469 (STAGESTUFF): Add *.ssa and *.ussa.
12470 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12471 * rtl.def (PHI): New RTL expression.
12472 * rtl.h (clear_log_links): New declaration.
12473 (convert_to_ssa): Likewise.
12474 (convert_from_ssa): Likewise.
12475 * flow.c (split_edge): If the entry node falls through to the
12476 split edge's source block, split the entry edge.
12477 (clear_log_links): New function.
12478 * toplev.c (ssa_dump): New variable.
12479 (flag_ssa): Likewise.
12480 (f_options): Add "ssa".
12481 (compile_file): Create SSA dump files.
12482 (rest_of_compilation): Go to and from SSA if enabled.
12483 (decide_d_option): Handle -de for SSA dump files.
12486 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12488 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12491 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12493 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12495 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12497 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12498 (MD_STARTFILE_PREFIX_1): New macro.
12500 2000-03-09 Robert Lipe <robertl@sco.com>
12502 * config/ia64/ia64.c: Include system.h.
12504 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12506 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12507 (init_eh_nesting_info): Likewise.
12509 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12510 (TREE_NOTHROW): Rename from TREE_RAISES.
12511 * toplev.c (rest_of_compilation): Set it.
12512 * print-tree.c (print_node): Adjust.
12513 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12514 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12515 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12516 REG_EH_REGION note as appropriate.
12517 (libfunc_nothrow): New fn.
12518 (emit_library_call, emit_library_call_value): Use it.
12519 (expand_call): Check TREE_NOTHROW.
12521 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12522 DECL_ASSEMBLER_NAME.
12524 2000-03-09 Andreas Jaeger <aj@suse.de>
12526 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12527 (TARGET_MEM_FUNCTIONS): Define.
12529 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12531 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12533 * except.c (can_throw): See through a SEQUENCE.
12534 (nothrow_function_p): New fn.
12535 * except.h: Declare it.
12536 * function.c (current_function_nothrow): New var.
12537 (prepare_function_start): Initialize it.
12538 * output.h: Declare it.
12539 * toplev.c (rest_of_compilation): Set it.
12540 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12542 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12544 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12545 match. (cpp_compare_defs): Count the nul separator when
12546 advancing over argument names.
12548 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12550 * recog.c (preprocess_constraints): Matching constraints affect
12551 same alternative/different operand, not same operand/different
12554 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12555 register and a constant specially.
12557 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12559 * libgcc2.h: New file.
12560 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12562 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12564 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12565 * configure: Regenerate.
12566 * config/ia64: New.
12568 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12570 * Makefile.in (LIBCPP_DEPS): New macro.
12571 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12572 it to declare deps.
12573 * cpperror.c: Include cpphash.h.
12574 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12576 (lex): Don't use CPP_WARN_UNDEF.
12577 (_cpp_parse_expr): Return an int, the truth value.
12578 * cppfiles.c: Include cpphash.h.
12579 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12580 * cppinit.c (include_defaults_array): Disentangle.
12581 (cpp_cleanup): Don't free the if stack here.
12582 (cpp_finish): Pop off all buffers, not just one.
12583 * cpplib.c (eval_if_expr): Return int.
12584 (do_xifdef): Rename do_ifdef.
12585 (handle_directive): Don't use CPP_PREPROCESSED.
12586 (cpp_get_token): Don't use CPP_C89.
12587 * fix-header.c: Don't use CPP_OPTIONS.
12589 * cpplib.h: Move U_CHAR, enum node_type, struct
12590 file_name_list, struct ihash, is_idchar, is_idstart,
12591 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12592 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12593 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12594 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12595 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12596 of _cpp_simplify_pathname, _cpp_find_include_file,
12597 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12598 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12600 Change all uses of U_CHAR to be unsigned char instead.
12601 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12603 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12605 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12606 (dwarf2out_begin_prologue): Set it.
12607 (output_call_frame_info): Don't emit EH unwind info for leaves.
12609 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12610 can occur outside of an EH region.
12611 * except.c: Correct comments about rethrow behavior.
12612 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12614 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12616 * flow.c (make_edges): Always call make_eh_edge for calls.
12618 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12620 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12621 (struct cpp_buffer): Remove fname and underflow fields.
12622 (struct cpp_reader): Remove get_token field.
12623 (struct include_hash): Rename to struct ihash. Add typedef to
12625 (struct if_stack): Remove fname field.
12626 (IF_STACK_FRAME): Rename to IF_STACK.
12628 * cpperror.c (print_containing_files): Trust that there are no
12629 macro buffers below the top file buffer.
12630 * cppfiles.c: Replace all references to 'struct include_hash'
12631 with 'IHASH'. Rename initialize_input_buffer to
12632 init_input_buffer. Don't set or reference cpp_buffer->fname,
12633 use buffer->ihash->name instead.
12634 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12635 not CPP_NULL_BUFFER.
12636 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12637 IF_STACK_FRAME, IHASH not struct include_hash.
12638 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12639 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12640 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12641 references to cpp_buffer->fname (delete entirely, or use
12642 ->ihash->name instead) and IF_STACK->fname.
12643 (cpp_push_buffer): Don't set new->underflow.
12644 (do_include): Use cpp_file_buffer.
12646 * cpphash.c (collect_formal_parameters): Remove duplicate
12647 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12648 used as a macro argument name. Don't append "..." to namebuf
12649 for varargs macros. After we're done scanning, go through
12650 namebuf and make it NUL separated, not comma separated.
12651 (_cpp_compare_defs): Remove register tag from variables.
12652 Expect defn->argnames to be NUL separated.
12653 (_cpp_dump_definition): Expect defn->argnames to be NUL
12654 separated and in forward order.
12655 * cpphash.h: Update documentation of argnames field.
12657 2000-03-08 Richard Henderson <rth@cygnus.com>
12659 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12660 to fail. Don't pre-expand the source operand.
12662 * i386.md (strlensi): Initialize eoschar and align before use.
12664 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12666 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12667 CONSTRUCTOR element.
12669 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12671 * mips.c (mips_expand_prologue): If the last
12672 named argument is the vararg marker "va_list", treat it as
12673 an unnamed argument.
12675 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12677 * dbxout.c (dbxout_parms): When correcting for promoted
12678 big-endian parameters, use the mode of the DECL_RTL rather
12679 than UNITS_PER_WORD.
12681 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12683 * c-common.h (make_fname_decl): Declare.
12684 * c-common.c (make_fname_decl): Define.
12685 (declare_hidden_char_array): Remove.
12686 (declare_function_name): Use make_fname_decl.
12687 * c-decl.c (c_make_fname_decl): New function.
12688 (init_decl_processing): Set make_fname_decl.
12690 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12692 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12694 2000-03-07 Philipp Thomas <pthomas@suse.de>
12696 * po/POTFILES.in: Remove cppalloc.c from file list.
12698 2000-03-07 Steve Chamberlain <sac@pobox.com>
12700 * pj.c (pj_expand_prologue): current_function->args_info is
12701 now current_function_args_info.
12703 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12704 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12705 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12707 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12709 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12710 output as hexadecimal rather than the default octal.
12712 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12714 * cpphash.c (special_symbol): Fix thinko in previous commit.
12716 2000-03-07 Neil Booth <NeilB@earthling.net>
12718 * cppexp.c (struct operation, left_shift, right_shift,
12719 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12720 "int"s to "unsigned int"s.
12721 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12723 * cpplib.h: Update for above.
12724 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12725 returned from allocations.
12727 * cppinit.c (opt_comp, parse_options): New functions.
12728 (handle_option): Use parse_option to parse a single command
12729 line option, that possibly takes an argument.
12730 (cpp_handle_options): Sort the array of command line options on
12731 first invocation (non-ASCII hosts only).
12732 (print_help): Update.
12734 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12736 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12737 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12739 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12741 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12743 * cpperror.c (cpp_print_containing_files,
12744 cpp_print_file_and_line, v_cpp_message): Rename to
12745 print_containing_files, print_file_and_line, and v_message.
12746 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12747 to _cpp_parse_expr, parse_escape, and lex.
12748 (parse_charconst): Remove broken multibyte support.
12749 * cppfiles.c (include_hash): Make static.
12750 (cpp_included): New function.
12751 (merge_include_chains, find_include_file, finclude,
12752 simplify_pathname): Rename to _cpp_merge_include_chains,
12753 _cpp_find_include_file, _cpp_read_include_file, and
12754 _cpp_simplify_pathname.
12755 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12756 cpp_install, create_definition, macroexpand, compare_defs,
12757 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12758 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12759 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12760 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12762 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12764 * cpphash.h: Update prototypes.
12765 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12767 2000-03-07 Andrew Haley <aph@cygnus.com>
12769 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12770 PTRDIFF_TYPE should be based solely on Pmode.
12771 (SIZE_TYPE): ditto.
12773 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12775 * rtl.h (rtunion_def): Constify member `rtstr'.
12776 (emit_line_note_after, emit_line_note, emit_line_note_force,
12777 emit_note, decode_asm_operands): Constify.
12779 * cse.c (canon_hash): Likewise.
12781 * dbxout.c (dbxout_block): Likewise.
12783 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12784 v_warning_for_asm): Likewise.
12786 * dwarfout.c (function_start_label): Likewise.
12788 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12789 emit_line_note_force): Likewise.
12791 * final.c (last_filename, asm_insn_count, final_scan_insn,
12792 output_source_line): Likewise.
12794 * function.h (struct emit_status): Likewise.
12796 * gcse.c (hash_expr_1): Likewise.
12798 * genattr.c (gen_attr, main): Likewise.
12800 * genattrtab.c (struct function_unit, current_alternative_string,
12801 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12802 attr_numeral, check_attr_test, check_attr_value,
12803 convert_set_attr_alternative, convert_set_attr,
12804 compute_alternative_mask, simplify_by_exploding, gen_attr,
12805 gen_unit): Likewise.
12807 * genflags.c (gen_insn): Likewise.
12809 * gengenrtl.c (type_from_format): Likewise.
12811 * genopinit.c (gen_insn): Likewise.
12813 * genoutput.c (n_occurrences, process_template, process_template):
12816 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12819 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12822 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12823 ggc_set_mark, ggc_get_size): Likewise.
12825 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12827 * optabs.c (init_one_libfunc): Likewise.
12829 * output.h (assemble_start_function): Likewise.
12831 * recog.c (decode_asm_operands): Likewise.
12833 * toplev.c (rest_of_compilation): Likewise.
12835 * tree.h (emit_line_note_after, emit_line_note,
12836 emit_line_note_force): Likewise.
12838 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12839 asm_emit_uninitialised, assemble_start_function,
12840 assemble_variable, const_hash, compare_constant_1,
12841 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12843 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12845 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12847 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12849 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12851 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12852 arm_dllimport_name_p): Likewise.
12854 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12857 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12859 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12861 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12862 arm_mark_dllexport, arm_mark_dllimport,
12863 arm_pe_encode_section_info): Likewise.
12865 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12866 ASM_FINISH_DECLARE_OBJECT): Likewise.
12868 * arm/thumb.c (thumb_function_prologue): Likewise.
12870 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12872 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12874 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12876 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12878 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12880 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12882 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12883 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12885 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12887 * i386/i386.c (asm_output_function_prefix): Likewise.
12889 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12891 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12893 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12895 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12896 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12897 ASM_OUTPUT_SECTION_NAME): Likewise.
12899 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12901 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12903 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12905 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12907 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12909 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12911 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12913 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12915 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12917 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
12919 * mips/mips.md (movdi, movsi): Likewise.
12921 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12923 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12925 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12927 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
12928 ASM_OUTPUT_ASCII): Likewise.
12930 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
12931 output_mi_thunk, output_toc): Likewise.
12933 * rs6000/rs6000.md (movsi): Likewise.
12935 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
12937 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
12939 * v850/v850.c (print_operand, print_operand_address,
12940 v850_encode_data_area): Likewise.
12942 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
12944 * config/mips/mips.md (zero_extendsidi2): Always force operand
12945 one to memory for mips16.
12947 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12949 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
12950 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
12951 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
12952 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
12953 (min_precision): Result is unsigned.
12954 (add_double, neg_double, mul_double): Low word is unsigned.
12955 (lshift_double, rshift_double, lrotate_double): Likewise.
12956 (rrotate_double, div_and_round_double): Likewise.
12957 (tree_floor_log2, compare_tree_int): New functions.
12958 (preserve_rtl_expr_temps): New declaration.
12959 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
12960 (decl_attributes): Use tree_log2 to find alignment.
12961 Check for TREE_INT_CST_HIGH for format args.
12962 (min_precision): Now unsigned.
12963 Use tree_floor_log2.
12964 (truthvalue_conversion): Delete long-disabled code.
12965 * c-decl.c (finish_struct): Clean up tests on field width.
12966 (finish_function): Use compare_tree_int.
12967 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
12968 * c-typeck.c (comptypes): Use tree_int_cst_equal.
12969 (default_conversion, digest_init): Use compare_tree_int.
12970 (build_binary_op): Use integer_all_onesp and compare_tree_int.
12971 Fix type errors in forming masks.
12972 * calls.c (initialize_argument_information): Use compare_tree_int.
12973 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12974 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
12975 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
12976 (store_field): Use compare_tree_int.
12977 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
12978 (expand_expr, case ARRAY_REF): Use compare_tree_int.
12979 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
12980 (do_store_flag): Use compare_tree_int.
12981 * fold-const.c (encode, decode): Low part is always unsigned.
12982 (force_fit_type, add_double, neg_double, mul_double): Likewise.
12983 (lshift_double, rshift_double, lrotate_double): Likewise.
12984 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
12985 (fold_convert): Use compare_tree_int.
12986 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
12987 (invert_truthvalue, case INTEGER_CST): Likewise.
12988 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
12989 * mkdeps.c (deps_dummy_targets): Make I unsigned.
12990 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
12991 (lshift_double, rshift_double, lrotate_double, rrotate_double):
12993 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
12994 (expand_end_case): Use compare_tree_int.
12995 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12996 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
12997 (layout_decl): Likewise.
12998 (layout_record, layout_union): Make sizes unsigned.
12999 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13000 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13001 * tree.c (struct type_hash): hashcode is unsigned.
13002 (build_type_attribute_variant, type_hash_list): Likewise.
13003 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13004 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13005 (build_complex_type): Likewise.
13006 (real_value_from_int_cst): Remove unneeded casts.
13007 (integer_all_onesp): Add casts.
13008 (tree_floor_log2, compare_tree_int): New functions.
13009 (build_index_type): Use tree_int_cst_sgn.
13010 * varasm.c (assemble_variable): Use compare_tree_int.
13012 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13014 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13016 * varasm.c (make_decl_rtl): Don't add a number to members of
13018 (make_function_rtl): Likewise.
13020 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13022 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13023 patch from 2000-01-28.
13025 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13027 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13028 filled with an insn from the jump target.
13030 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13032 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13033 (c4x_external_ref): Likewise.
13034 * config/c4x/c4x.c (struct name_list): Likewise.
13036 1999-12-16 Ben Collins <bcollins@debian.org>
13038 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13039 argument to genmultilib.
13040 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13041 the contents into the multilib.h header.
13042 * gcc.c: Declare multilib_exclusions for the specs file.
13043 (set_multilib_dir): Use it.
13044 (print_multilib_info): Likewise.
13045 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13046 to pass to genmultilib.
13048 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13050 * builtins.c (built_in_class_names, built_in_names): Constify a
13053 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13055 (_mcleanup): Ensure value matches format specifier in sprintf.
13057 * cpphash.c (special_symbol): Don't needlessly cast away
13060 * cppinit.c (base_name): Delete unused prototype.
13062 * mkdeps.c (deps_init): Make definition K&R safe.
13064 * tree.h (built_in_class_names, built_in_names): Constify a
13067 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13069 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13070 floating point instructions for epilogue delay.
13072 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13073 to gas if it supports .register pseudo.
13075 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13076 LONG_DOUBLE_TYPE_SIZE if not defined.
13077 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13078 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13079 * real.c: Likewise.
13080 * gengenrtl.c: Likewise.
13081 * print-rtl.c: Likewise.
13083 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13084 MASK_LONG_DOUBLE_128.
13085 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13086 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13087 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13088 (SUBTARGET_SWITCHES): Define.
13089 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13090 with -mlong-double-128.
13091 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13092 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13093 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13094 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13095 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13096 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13097 with -mlong-double-128.
13098 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13099 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13100 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13101 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13102 TARGET_LONG_DOUBLE_128): Define.
13103 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13104 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13105 long double on TARGET_ARCH64.
13107 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13109 * function.c (free_temps_for_rtl_expr): Don't free slots
13110 that have been pushed into a higher level.
13113 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13115 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13117 * basic-block.h (ALLOCA_REG_SET): Remove.
13118 (INITIALIZE_REG_SET): New macro.
13119 * flow.c (update_life_info): Use it.
13120 (calculate_global_regs_live): Likewise.
13121 (propagate_block): Likewise.
13122 * global.c (build_insn_chain): Likewise.
13123 * haifa-sched.c (schedule_region): Likewise.
13125 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13127 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13128 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13129 (DWARF_ARANGES_PAD_SIZE): New define.
13130 (output_aranges): Use it to pad the address range header.
13131 (DWARF_ROUND): Fix for non power of 2 rounding.
13133 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13135 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13137 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13139 * tree.def (RTL_EXPR): Update documentation.
13140 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13141 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13142 * function.c (preserve_rtl_expr_temp): New function.
13143 (preserve_rtl_expr_temps): Likewise.
13144 (preserve_rtl_expr_result): Use it.
13147 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13149 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13151 * regmove.c (copy_src_to_dest) Do not create src->dest move
13152 for unchanging destination.
13154 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13156 * function.h (struct sequence_stack): Remove rtl_expr.
13157 (struct emit_staus): Likewise.
13158 (seq_rtl_expr): Remove.
13159 * tree.h (free_temps_for_rtl_expr): Don't declare.
13160 (start_sequence_for_rtl_expr): Likewise.
13161 * rtl.h (preserve_rtl_expr_result): Likewise.
13162 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13163 (start_sequence_for_rtl_expr): Remove.
13164 (push_topmost_sequence): Don't save sequence_rtl_expr.
13165 (pop_topmost_sequence): Remove comment about not restoring it.
13166 (end_sequence): Don't set seq_rtl_expr.
13167 (init_emit): Don't initialize it.
13168 (mark_sequence_stack): Don't mark it.
13169 (mark_emit_status): Likewise.
13170 * except.c (protect_with_terminate): Use
13171 start_sequence_for_rtl_expr, not start_sequence.
13172 * expr.c (expand_expr, case RTL_EXPR): Don't call
13173 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13174 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13175 (preserve_rtl_expr_result): Remove.
13176 (free_temps_for_rtl_expr): Likewise.
13177 (pop_temp_slots): Likewise.
13178 (mark_temp_slot): Don't mark the rtl_expr.
13179 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13180 start_sequence_for_rtl_expr.
13182 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13184 * mkdeps.c, mkdeps.h: New files.
13185 * po/POTFILES.in: Add them.
13186 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13187 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13188 (mkdeps.o): New target.
13190 * cppfiles.c: Delete deps_output.
13191 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13192 OBJECT_SUFFIX, and base_name.
13193 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13195 (initialize_dependency_output): Use deps_init,
13196 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13197 all the unnecessary string bashing.
13198 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13200 * cpplib.c (do_include): Use deps_add_dep.
13201 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13202 deps_allocated_size, deps_size, deps_column members with
13203 single pointer to a struct deps. Delete prototype of
13206 * cppinit.c: Fix thinko in previous patch.
13208 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13210 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13211 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13212 (mode_for_size_tree): New function.
13213 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13214 * tree.h (mode_for_size_tree): New declaration.
13216 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13218 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13220 * stmt.c (is_body_block): Move...
13221 * dwarfout.c, dwarf2out.c: ...from here.
13222 * tree.h: Declare it.
13223 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13224 * final.c (final_start_function): Do call remove_unnecessary_notes
13227 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13229 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13231 * cpplib.h (_dollar_ok): New macro.
13232 (is_idchar, is_idstart): Use it.
13233 (IStable): Rename to _cpp_IStable. Declare it const if
13234 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13235 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13236 is_space): Update for renamed IStable.
13238 * cppinit.c: Delete all references to FAKE_CONST and CAT
13239 macros. Define init_IStable as empty macro if gcc >=2.7 or
13240 C99. Change TABLE() to ISTABLE and hardcode name of table.
13241 (cpp_start_read): Don't change the IStable based on
13244 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13245 changed. Handle '$' for char1 correctly.
13246 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13248 * cppexp.c (tokentab2): Make const.
13249 (cpp_lex): Make toktab const.
13250 * cppinit.c (include_defaults_array): Make const.
13251 (initialize_standard_includes): Make default_include const.
13253 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13255 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13256 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13257 (gen_decl_die): Likewise.
13258 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13259 (output_decl): Likewise.
13261 * varasm.c (make_function_rtl): If we change the name used in the
13262 rtl, update DECL_ASSEMBLER_NAME accordingly.
13263 (make_decl_rtl): Likewise.
13265 * toplev.c (rest_of_compilation): Tweak formatting.
13267 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13268 remove_unnecessary_notes.
13269 (debug_ignore_block): New fn.
13270 * toplev.h: Declare it.
13271 * emit-rtl.c (remove_unncessary_notes): Call it.
13272 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13273 * dwarf2out.h: Declare it.
13274 * final.c (final_start_function): Don't call remove_unnecessary_notes
13275 if we did insn scheduling.
13277 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13279 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13280 * cpplib.h: Delete SET_CPP_PEDANTIC.
13282 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13284 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13285 result is a RECORD_TYPE.
13287 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13289 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13291 2000-03-03 Richard Henderson <rth@cygnus.com>
13293 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13294 addition over compliments over shifts.
13296 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13298 * reload1.c (reload_combine_note_use): Handle return register USEs.
13299 REG case: Handle multi-hard-register hard regs.
13301 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13303 * md.texi: Document use of '*' in insn pattern name.
13305 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13307 * calls.c (special_function_p): operator new may not be malloc-like.
13309 * gcse.c (dump_hash_table): Really fix error in last change.
13311 2000-03-02 Denis Chertykov <denisc@overta.ru>
13313 * avr.c (print_operand): Use print_operand_address instead of
13315 * avr/libgcc.S: Cleanup code.
13317 2000-03-02 Richard Henderson <rth@cygnus.com>
13319 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13321 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13323 * tree.h (TYPE_ALIGN_UNIT): New macro.
13325 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13327 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13329 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13331 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13333 (SET_CPP_PEDANTIC): New macro.
13334 * cpplib.c (do_include): Don't bother checking system_header_p.
13335 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13336 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13338 * function.h (struct expr_status): Add x_arg_space_so_far.
13339 (arg_space_so_far): New macro.
13340 * expr.c (init_expr): Initialize it.
13341 * calls.c (emit_call_1): Reset it.
13342 (compute_argument_block_size, expand_call): Use it.
13343 (expand_call, store_one_arg): Increment it.
13345 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13347 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13350 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13352 * cppfiles.c (cpp_read_file): New function.
13354 * cpphash.c (collect_expansion): Make sure to reset last_token
13355 to NORM when we hit a string. Handle trailing whitespace
13356 properly when the expansion is empty.
13357 (create_definition): Disable line commands while parsing the
13359 (dump_definition): If pfile->lineno == 0, output a line
13360 command ahead of the dump, and add a trailing newline.
13362 * cppinit.c (append_include_chain): Add fifth argument, which
13363 indicates whether or not system headers are C++ aware.
13364 (initialize_standard_includes): New function,
13365 broken out of read_and_prescan. Pass 'cxx_aware' value from
13366 the include_defaults_array on to append_include_chain.
13367 (dump_special_to_buffer): Const-ify char array.
13368 (builtin_array): Don't dump __BASE_FILE__.
13369 (cpp_start_read): Use cpp_read_file. Reorder code for
13370 clarity. Don't output line commands here for -D/-A/-U
13371 switches. Don't call deps_output for files included with
13372 -include or -imacros.
13374 * cpplib.c (do_define): Don't pay any attention to the second
13376 (cpp_expand_to_buffer): Disable line commands while scanning.
13377 (output_line_command): Work in the file buffer.
13378 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13379 Fix formatting of comments. Prototype cpp_read_file.
13381 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13383 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13384 reference the language-equivalent of sizetype.
13385 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13386 * fold-const.c (size_binop, size_diffop): Put back checks.
13387 * gcse.c (dump_hash_table): Fix minor error in last change.
13388 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13389 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13392 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13394 * calls.c (expand_call) Do not attempt to combine stack adjustments
13395 with inhibit_defer_pop set.
13397 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13399 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13400 the DECL_SIZE for a FIELD_DECL.
13402 2000-03-01 Bruce Korb <bkorb@gnu.org>
13404 * fixinc/inclhack.tpl: remove unused symlinks
13405 * fixinc/README: GCC Maintainer info
13406 * fixinc/inclhack.sh: regen
13407 * fixinc/fixincl.sh: regen
13409 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13411 * cpphash.c (collect_expansion): Trim trailing white space
13412 from macro definitions, but don't go past the last insertion
13415 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13417 * i386.md (mulqi3): New pattern.
13419 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13421 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13423 (struct cpp_reader): Add parsing_if_directive and
13424 parsing_define_directive flags.
13425 (struct cpp_options): Remove output_conditionals flag.
13426 (check_macro_name): Delete prototype.
13428 * cpphash.h (struct macrodef): Delete.
13429 (struct reflist): Separate from struct definition.
13430 (struct definition): Remove unused fields. Add column number.
13431 (create_definition): Returns a DEFINITION *. Takes a
13432 cpp_reader * and an int.
13434 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13435 (PEEKC): Copy defn from cpplib.c.
13436 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13438 (struct arglist): Simplify.
13439 (collect_expansion): Rewrite. Get tokens by calling
13440 cpp_get_token. Add more error checking.
13441 (collect_formal_parameters): New function, broken out of
13442 create_definition and reworked to use get_directive_token.
13443 (create_definition): All real work is now in collect_expansion
13444 and collect_formal_parameters. do_define handles finding the
13445 macro name. Return a DEFINITION, not a MACRODEF.
13446 (macroexpand): Replace bcopy with memcpy throughout. Replace
13447 character-at-a-time copy loop with memcpy and pointer increments.
13448 (compare-defs): d1->argnames / d2->argnames might be null.
13450 * cpplib.c (copy_rest_of_line): Delete function.
13451 (skip_rest_of_line): Do all the work ourselves.
13452 (skip_string): New function.
13453 (parse_string): Use skip_string.
13454 (get_macro_name): New function.
13455 (check_macro_name): Delete.
13456 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13457 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13458 (handle_directive): ICE if we're called on a macro buffer.
13459 (do_define): Determine macro name and type (funlike/objlike)
13460 here. Expunge all uses of MACRODEF.
13461 (cpp_push_buffer): Set line_base to NULL.
13462 (do_undef, read_line_number): Don't worry about getting a POP token.
13463 (eval_if_expression): Set/reset parsing_if_directive around
13464 cpp_parse_expr. Don't clear only_seen_white.
13465 (skip_if_group): Remove output_conditionals logic. Use
13467 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13468 tokens under appropriate conditions.
13469 (cpp_unassert): Call do_unassert not do_assert. Oops.
13471 * cppexp.c (parse_defined): New function, break out of
13473 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13474 ourselves, with cpp_defined.
13475 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13477 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13478 * gcc.dg/strpaste-2.c: New.
13480 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13482 * fold-const.c (size_binop): Don't asert inputs are the same and
13483 have TYPE_IS_SIZETYPE set.
13484 (size_diffop): Likewise.
13486 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13488 * dwarfout.c (output_block): Output abstract blocks even if they
13489 don't have TREE_ASM_WRITTEN set.
13491 * calls.c (emit_library_call): Check for null REG.
13493 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13495 * c-decl.c (current_function_decl): Move to toplev.c.
13496 (init_decl_processing): Don't add current_function_decl as a ggc
13498 * dbxout.c (dbxout_symbol): Change return type to int.
13499 (dbxout_symbol_location, dbxout_syms): Likewise.
13500 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13501 any locals. Use current_function_func_begin_label if set.
13502 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13503 * dwarf2out.c (dwarf2out_begin_prologue): Set
13504 current_function_func_begin_label.
13505 * final.c (final_start_function): Reset it.
13506 * toplev.c (current_function_decl): Define it here.
13507 (current_function_func_begin_label): New variable.
13508 (main): Add both as ggc roots.
13509 * tree.h (current_function_func_begin_label): Declare.
13511 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13513 * gcse.c: Cleanups throughout: mostly white-space, but also
13514 some minor rearrangement of code.
13516 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13518 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13519 returns a PARALLEL. Use emit_group_load and use_group_regs
13521 (emit_library_call_value): Similarly.
13523 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13524 * pa/quadlib.asm: Remove.
13525 * pa/quadlib.c: New file.
13527 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13528 * configure: Rebuilt.
13530 2000-02-29 Philip Blundell <pb@futuretv.com>
13532 * config/arm/conix-elf.h: New file.
13533 * configure.in (arm*-*-conix*): New configuration.
13534 * configure: Regenerate.
13536 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13538 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13539 don't have TREE_ASM_WRITTEN set.
13541 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13543 * Eliminate DECL_FIELD_SIZE.
13544 * builtins.c (built_in_class_names, built_in_names): New variables.
13545 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13546 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13547 DECL_SIZE, not DECL_FIELD_SIZE.
13548 * print-tree.c (print_node): Remove code that prints extra blank
13549 lines in some cases.
13550 Properly handle inline and builtin function cases.
13551 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13552 * tree.h (built_in_class_named, built_in_names): New declarations.
13553 (union tree_decl): Rename internal unions to u1 and u2 and change
13554 some of their components.
13555 Add new field built_in_class.
13556 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13557 Reflect above changes.
13558 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13559 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13560 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13561 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13563 2000-02-28 Dmitri Makarov <dim@windriver.com>
13565 * extend.texi: Document ARM's support for long/short calls.
13567 * invoke.texi: Document ARM's -mlong-calls command line switch.
13569 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13570 (arm_encode_call_attribute): Add prototype.
13571 (arm_set_default_type_attribute): Add prototype.
13572 (arm_strip_name_encoding): Add prototype.
13574 * config/arm/arm.c (arm_init_cumulative_args): replace
13575 initialisation og 'long_calls' field with initialisation of
13576 'call_cookie' field.
13577 (enum arm_pragma_enum): New enum.
13578 (arm_pragma_long_calls): New static variable.
13579 (arm_process_pragma): Also process "#pragma long_calls_off".
13580 (arm_valid_type_attribute_p): Accept short_call attribute.
13581 (arm_comp_type_attributes): Check long/short call attributes.
13582 (arm_encode_call_attribute): New function: Encode long_call
13583 or short_call attribute in function name.
13584 (arm_set_default_type_attributes): New function: Assign
13585 default attributes to newly defined type.
13586 (current_file_function_operand): New function: Return true if
13587 the symbol is a function which has already been compiled.
13588 (arm_is_longcall_p): New function: Return true if the
13589 indicated function should be called via a long call.
13590 (arm_get_strip_length): New function. Returns number of
13591 prefix characters to be stripped from a function's name.
13592 (arm_strip_name_encoding): New function. Strip prefix characters
13593 from a function's name.
13595 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13596 with 'call_cookie'.
13597 (SHORT_CALL_FAG_CHAR): Define.
13598 (LONG_CALL_FAG_CHAR): Define.
13599 (ENCODED_SHORT_CALL_ATTR_P): Define.
13600 (ENCODED_LONG_CALL_ATTR_P): Define.
13601 (ARM_NAME_ENCODING_LENGTHS): Define.
13602 (STRIP_NAME_ENCODING): Define.
13603 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13604 (ARM_ENCODE_CALL_TYPE): Define.
13605 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13606 (ARM_DECLARE_FUNCTION_SIZE): Define.
13607 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13609 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13610 if a long call is needed.
13611 (call_value): Ditto.
13612 (call_symbol): Ditto.
13614 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13615 ARM_DECLARE_FUNCTION_SIZE.
13617 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13618 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13619 (ARM_STRIP_NAME_ENCODING): Undefine.
13620 (STRIP_NAME_ENCODING): Undefine.
13621 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13622 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13623 (ASM_OUTPUT_COMMON): Ditto.
13624 (ASM_DECLARE_OBJECT_NAME): Ditto.
13626 * config/arm/pe.c (arm_dllexport_name_p): Check for
13628 (arm_dllimport_name_p): Ditto.
13629 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13630 (arm_mark_dllimport): Ditto.
13632 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13634 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13636 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13638 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13640 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13642 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13643 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13644 NO_BUILTIN_WCHAR_TYPE is not defined.
13645 (CPP_WCHAR_TYPE): Delete.
13646 * cccp.c (main): Don't change wchar_type if cplusplus.
13647 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13649 2000-02-28 Nick Clifton <nickc@cygnus.com>
13651 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13653 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13655 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13656 (ASM_WEAKEN_LABEL): Define.
13658 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13660 * expr.c (store_constructor): Do not emit USE.
13661 * rtl.h (stupid_life_analysis): Remove.
13663 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13665 * function.c (number_blocks): Reset next_block_index based on
13666 what debugging format is used, not what is defined.
13668 * lcm.c: Minor reformatting throughout.
13669 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13671 * toplev.c (rest_of_compilation): Account for time in
13672 optimize_mode_switching.
13674 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13675 if only marking labels.
13677 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13679 * calls.c (expand_call): Attempt to combine stack adjustments with
13680 pending stack adjustments.
13682 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13684 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13685 to the end of the function.
13687 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13689 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13691 * final.c (next_block_index): Remove.
13692 (max_block_depth): Likewise.
13693 (pending_blocks): Likewise.
13694 (init_final): Don't initialize them.
13695 (final_start_function): Don't set next_block_index. Set up
13697 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13698 * function.h (number_blocks): New function.
13699 * function.c (get_block_vector): New function.
13700 (identify_blocks): Use it.
13701 (reorder_blocks): Set NOTE_BLOCK.
13702 (number_blocks): New function.
13703 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13704 * tree.h (BLOCK_NUMBER): New macro.
13705 (tree_block): Add block_num field.
13706 * dbxout.c (next_block_number): Remove.
13707 (dbxout_init): Don't set it.
13708 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13709 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13711 * toplev.c (rest_of_compilation): Always call
13712 find_loop_tree_blocks. Fix indentation.
13713 * dwarf2out.c (next_block_number): Remove.
13714 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13715 to determine block numbers.
13716 (gen_inlined_subroutine_die): Likewise.
13717 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13718 (decls_for_scope): Don't increment next_block_number.
13719 * dwarfout.c (next_block_number): Remove.
13720 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13721 to determine block numbers.
13722 (output_inlined_subroutine_die): Likewise.
13723 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13724 (output_decls_for_scope): Don't increment next_block_number.
13725 * sdbout.c (next_block_number): Remove.
13726 (sdbout_block): Use BLOCK_NUMBER.
13727 (sdbout_begin_block): Simplify.
13728 * xcoffout.c (next_block_number): Remove.
13729 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13730 (xcoffout_begin_block): Don't set next_block_number.
13731 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13734 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13736 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13737 (expand_builtin_strcpy): Pass correct type to size_binop.
13738 (expand_builtin_strcmp): Likewise.
13739 Clean up conditional structure.
13740 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13741 (complete_array_type): Don't use size_binop for MAXINDEX.
13742 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13743 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13744 (c_alignof): Use size_one_node.
13745 (build_unary_op): Pass arg of proper type to size_binop.
13746 (really_start_incremental_init, push_init_level): Use sizetype for
13747 constructor{,_bit,_unfilled}_index.
13748 (pop_init_label, output_init_element): Likewise.
13749 (output_pending_init_elements, process_init_element): Likewise.
13750 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13751 * expr.c (store_expr): Use size_int.
13752 (store_constructor): Use proper types for size_binop args.
13753 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13754 (expand_expr_unaligned): Likewise.
13755 (string_contant): Return object of sizetype.
13756 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13757 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13758 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13759 * fold-const.c (int_const_binop): Refine when size_int is called.
13760 (fold_convert): Likewise.
13761 (size_int_wide): Rework to take KIND as arg, only take low order
13762 bits, handle new sizetype_tab datatype, and chain entries in
13764 (size_int_type_wide): New function.
13765 (size_binop): Validate types of arguments.
13766 (ssize_binop): Deleted.
13767 (size_diffop): New function.
13768 (extract_muldiv): Only fold division into multiplication for sizetypes.
13769 * function.c (assign_parms): Use size_diffop and make sure
13770 VAR field is of ssizetype; also pass proper type to size_binop.
13771 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13772 (round_down): Deleted from here.
13773 * store-layout.c (sizetype_tab): Now an array.
13774 (sizetype_set, early_root_list): New variables.
13775 (variable_size): Use size_one_node.
13776 (round_up): Pass proper type to size_binop.
13777 (round_down): Moved to here and corrected as above.
13778 (layout_record): Pass proper arg types to size_binop.
13779 (layout_type): Likewise.
13780 If sizetype_set is zero, record the type just laid out.
13781 (make_unsigned_type): Don't call set_sizetype;
13782 (make_signed_type): Likewise; also, call fixup_signed_type.
13783 (initialize_sizetypes): New function.
13784 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13785 set name of bitsizetype to "bit_size_type".
13786 Fix up type of sizes of all types made before call.
13787 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13788 * tree.c (fix_sizetype): Deleted.
13789 (build_common_tree_nodes): Call initialize_sizetypes.
13790 (build_common_tree_nodes_2): Don't call fix_sizetype.
13791 * tree.h (TYPE_IS_SIZETYPE): New macro.
13792 (initialize_sizetype): New declaration.
13793 (enum size_type_kind): New type.
13794 (struct sizetype_tab): Deleted.
13795 (sizetype_tab): Now array; adjust sizetype macros.
13796 (size_diffop, size_int_type_wide): New functions.
13797 (size_int_wide): Change number of args and type; access macros changed.
13798 (ssize_int, sbitsize_int): New macros.
13799 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13800 (ROUND_TYPE_SIZE_UNIT): New macro.
13802 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13804 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13806 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13808 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13809 Mark as possibly unused.
13811 * cse.c (cse_insn): Delete dead code involving tablejump.
13812 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13814 * Makefile.in (libcpp.a): Start by deleting it.
13816 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13818 * cpplib.h (enum file_change_code): Added rename_file.
13819 * cpplib.c (do_line): If a filename is given, set file_change to
13821 (output_line_command): If file_change is rename_file, always
13822 output a # directive with the file name.
13824 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13826 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13828 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13829 when copying a PARM_DECL or RESULT_DECL.
13831 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13833 * fix-header.c (recognized_function): Also fix prototypes for
13834 functions taking "void".
13836 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13838 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13839 looking at reg_reloaded_contents.
13841 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13843 * Makefile.in (STMP_FIXINC): New toggle.
13844 (LIBGCC2_DEPS): Delete all references.
13845 (stmp-headers): Delete target. All references either deleted
13846 or changed to stmp-int-headers.
13847 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13848 (LIBCPP_OBJS): Take out cppalloc.o.
13849 (cppalloc.o): Delete target.
13850 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13851 (gen-protos, fix-header): Link with libiberty.a.
13852 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13855 * configure.in: Remove refs to strerror.
13856 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13857 * system.h: Take out strerror stanza.
13859 * cpperror.c (my_strerror): Delete function.
13860 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13861 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13862 * cppalloc.c: Delete file.
13863 * gen-protos.c: Don't provide xrealloc.
13865 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13866 xstrerror throughout.
13868 2000-02-26 Bruce Korb <bkorb@gnu.org>
13870 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13871 match for DOS headers, too.
13872 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13874 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13876 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13877 is right for most ELF targets.
13878 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13879 Let the default file use %U properly.
13880 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13883 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13886 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13888 * toplev.c (documented_lang_options): Correct spelling error.
13889 (decode_d_option, decode_f_option, main): Likewise.
13891 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13893 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13894 to tell assembler it is permitted to expand large constants.
13896 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13898 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13899 (aux_info_suffix): Use.
13900 (SAVE_SUFFIX): New macro.
13901 (save_suffix): Use.
13902 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13903 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13904 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13906 * invoke.texi (Running Protoize): Update documentation.
13908 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13910 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13912 2000-02-25 John Wehle (john@feith.com)
13914 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
13916 2000-02-25 Anthony Green <green@cygnus.com>
13918 * toplev.c (rest_of_compilation): Rebuild jump labels if
13919 combine_instructions has created a new direct jump.
13920 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
13922 (combine_instructions): Call try_combine with new argument.
13923 Return non-null value when new direct jump instruction is created.
13924 * rtl.h: combine_instructions returns an int.
13926 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
13928 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
13929 jump when changing a computed jump into a jump to a known
13932 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
13934 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
13935 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
13937 * i386.md (define_expand "clrstrsi"): Fix typo.
13939 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
13941 * rtl.texi: Fix typo.
13943 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13945 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
13946 UNITS_PER_WORD. Change caller initial_elimination_offset.
13947 (rounded_frame_size): Take into account that argument pushed has
13948 changed. Fix TARGET_ALIGN_DOUBLE problem.
13950 2000-02-25 Geoff Keating <geoffk@cygnus.com>
13952 * haifa-sched.c (schedule_block): Explain the real reason
13953 we delete REG_SAVE_NOTEs on the first insn of a block.
13954 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
13956 2000-02-24 Mark Mitchell <mark@codesourcery.com>
13958 * input.h (push_srcloc): New function.
13959 (pop_srcloc): Likewise.
13960 * toplev.c (push_srcloc): Define it.
13961 (pop_srcloc): Likewise.
13963 2000-02-24 Richard Henderson <rth@cygnus.com>
13965 * flow.c (life_analysis): When collecting reg info, clear
13968 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13970 Fix bug exposed by reload.c no longer rounding the frame
13971 size to BIGGEST_ALIGNMENT:
13972 * sh.c (rounded_frame_size): New function.
13973 (sh_expand_prologue, sh_expand_epilogue): Use it.
13974 (initial_elimination_offset): Likewise.
13976 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13978 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
13979 * sh-protos.h (sh_need_epilogue): Declare.
13980 * sh.c (sh_need_epilogue_known): New static variable.
13981 (sh_need_epilogue): New function.
13982 (function_epilogue): Clear need_epilogue_known.
13983 * sh.md (return): Split into expander / insn pattern.
13984 Make the expander conditional on ! sh_need_epilogue ().
13986 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
13988 * machmode.h (get_mode_alignment): Declare.
13989 (GET_MODE_ALIGNMENT): Call it.
13990 * stor-layout.c (get_mode_alignment): New function. Make
13991 sure alignment is always power of 2.
13993 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13995 * i386.h: Remove useless definition of "I386" and misleading
13998 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14000 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14001 under which TREE_PERMANENT will be set.
14002 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14003 build1): Use TREE_SET_PERMANENT.
14004 * print-tree.c (print_node): Don't report value of
14005 TREE_PERMANENT if ggc_p is true.
14007 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14008 decide whether to give a type a new alias set.
14009 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14010 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14011 of value of 'obstack'.
14014 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14016 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14018 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14020 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14021 * cpplib.c (cpp_get_token): Produce them.
14022 * cppexp.c (cpp_lex): Handle them.
14024 2000-02-23 Nick Clifton <nickc@cygnus.com>
14026 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14027 comment tests on type attributes.
14029 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14031 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14032 conform to documentation.
14033 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14034 to check for special cases.
14035 * sh-protos.h (sh_loop_align): Declare.
14036 * sh.c (sh_loop_align): Define.
14038 2000-02-22 Andrew Haley <aph@cygnus.com>
14040 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14041 (SIZE_TYPE): Is 32 bits when using -mgp32.
14042 (PTRDIFF_TYPE): Ditto.
14044 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14046 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14048 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14050 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14051 BIGGEST_FIELD_ALIGNMENT a constant.
14053 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14055 * dwarf2out.c (output_line_info): Put the marker for the end of
14056 the line number info at the actual end.
14057 (gen_struct_or_union_type_die): Use decl_function_context
14058 to check for local classes.
14059 * dwarfout.c (output_type): Likewise.
14061 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14063 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14064 for arguments with a mode, but no type.
14065 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14066 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14067 * pa/long_double.h: New file.
14068 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14069 both have 128bit wide long doubles.
14070 * configure: Rebuilt.
14072 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14074 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14076 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14077 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14078 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14080 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14082 * integrate.c (compare_blocks, find_block): Likewise.
14084 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14086 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14088 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14089 expand_asm_operands): Likewise.
14091 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14093 * predict.c (estimate_probability): Added the pointer heuristic to
14094 the collection of static branch predictors.
14096 2000-02-21 Catherine Moore <clm@cygnus.com>
14098 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14099 * invoke.texi (-mfix7000): Document.
14101 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14103 * diagnostic.c (init_output_buffer): Make it possible to output at
14104 least 32 characters if we're given a too long prefix.
14106 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14108 * varasm.c (initializer_constant_valid_p): Call
14109 lang_expand_constant to simplify the constant.
14111 2000-02-20 Bruce Korb <bkorb@gnu.org>
14113 * fixinc/inclhack.def(stdio_va_list):
14114 typedef needs to be disabled.
14115 * fixinc/inclhack.sh: regen
14116 * fixinc/fixincl.x: regen
14118 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14120 * print-rtl.c (print_rtx): Don't print addresses when
14121 flag_dump_unnumbered.
14123 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14125 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14127 (sparc_va_arg, sparc_flat_output_function_prologue,
14128 sparc_flat_output_function_epilogue): Cast value to unsigned in
14130 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14132 * sparc.md: Add default case in switch.
14134 2000-02-19 Richard Henderson <rth@cygnus.com>
14136 * c-typeck.c (add_pending_init): Don't abort for multiple
14137 fields at the same offset.
14138 (pending_init_member): Test the correct member.
14140 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14142 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14144 (start_catch_handler) : Same.
14146 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14148 * Makefile.in: Have flow.o depend on $(EXPR_H)
14150 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14152 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14153 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14154 (finish_decl): Remove -Wlarger-than code from here.
14155 * flags.h (id_clash_len): Now int.
14156 (larger_than_size): Now HOST_WIDE_INT.
14157 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14158 Clean up checking to see if in table.
14159 (make_bit_field_ref): Remove extra parm to bitsize_int.
14160 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14161 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14162 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14163 and for computing size of decl.
14164 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14165 Move -Wlarger-than code to here.
14166 (layout_record): Remove extra arg to bitsize_int.
14167 Set TYPE_BINFO_SIZE_UNIT.
14168 (layout_union): Remove extra arg to bitsize_int.
14169 Use proper type for size of QUAL_UNION.
14170 (layout_type): Remove extra arg to bitsize_int.
14171 * toplev.c (id_clash_len): Now int.
14172 (larger_than_size): Now HOST_WIDE_INT.
14173 (decode_W_option): Clean up id-clash and larger-than- cases.
14174 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14175 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14176 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14177 (struct tree_decl): New field size_unit.
14178 (size_int_wide): No HIGH operand; NUMBER is now signed.
14179 (size_int_2): Deleted.
14180 (size_int, bitsize_int): Don't use it and rework args.
14181 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14183 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14185 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14187 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14189 * invoke.texi (Warning Options): Add an explanation of why
14190 you might want the -Wfloat-equal flag.
14192 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14194 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14195 * cppinit.c (new_pending_define): Add cast to avoid warning.
14196 * expmed.c (extract_bit_field): Likewise.
14197 * flow.c (enum reorder_skip_type): New type.
14198 (skip_insns_between_blcok): New it.
14199 Rework to avoid warning about possibly undefined variable.
14200 * function.c (assign_parms): Make thisparm_boundary unsigned.
14201 * genrecog.c (write_switch): Cast XWINT result to int.
14202 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14203 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14204 one for MIPS and one for Alpha.
14205 (get_tag, copy_object): Add casts to avoid warnings.
14206 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14207 * reload.c (find_reloads): Make TYPE enum reload_type.
14208 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14209 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14210 * varasm.c (compare_constant_1): Add cast to avoid warning.
14211 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14213 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14214 Cast switch operand of size to int.
14215 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14216 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14219 2000-02-18 Nick Clifton <nickc@cygnus.com>
14221 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14222 anything for an alignment of zero.
14224 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14225 anything for an alignment of zero.
14227 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14229 * gcc.texi (Bug Reporting): Refer to bugs.html.
14230 (Bug Lists): Likewise.
14231 * system.h (GCCBUGURL): New preprocessor define.
14232 * rtl.c (fancy_abort): Use it.
14233 * gcc.c (main): Likewise.
14235 2000-02-18 Richard Henderson <rth@cygnus.com>
14237 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14238 (life_analysis_1): Subsume into ...
14239 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14240 Use update_life_info for the relaxation.
14241 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14242 entry and regs_live_at_setjmp.
14243 (set_noop_p): Simplify.
14244 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14245 (record_volatile_insns): Split into ...
14246 (delete_noop_moves): ... here,
14247 (notice_stack_pointer_modification): ... here,
14248 (insn_dead_p): ... and here.
14249 (propagate_block): Don't query INSN_VOLATILE.
14250 (mark_used_regs): Mind !PROP_REG_INFO.
14251 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14252 not in life_analysis.
14254 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14256 * loop.c (canonicalize_condition): New function,
14257 broken out of get_condition.
14258 (get_condition): Use it.
14259 * expr.h (canonicalize_condition): Prototype it.
14261 * tree.h (tree_int_cst_msb): Declare.
14262 * tree.c (tree_int_cst_msb): New function.
14264 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14266 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14269 * invoke.texi (-fmessage-length=n): Document.
14271 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14273 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14275 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14277 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14278 after the prologue.
14280 2000-02-17 Nick Clifton <nickc@cygnus.com>
14282 * config/arm/thumb.c: Replace includes of system headers with
14283 #include "system.h".
14285 2000-02-16 Richard Henderson <rth@cygnus.com>
14287 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14288 Add crtbeginS.o and crtendS.o.
14289 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14290 (ENDFILE_SPEC): Use crtendS.o.
14291 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14293 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14294 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14295 shared and present.
14296 (__dso_handle): New variable.
14297 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14298 bias to __CTOR_END__.
14300 2000-02-16 Richard Henderson <rth@cygnus.com>
14302 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14304 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14306 * longlong.h (__clz_tab): Declare as static to match definition.
14308 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14310 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14311 (XREF_FILE_NAME): Define.
14313 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14314 (EH_FRAME_SECTION_ASM_OP): Define.
14315 (IDENT_ASM_OP): Define.
14316 (TEXT_SECTION_ASM_OP): Define.
14317 (CPP_SPEC): Define.
14318 (CTORS_SECTION_ASM_OP): Define.
14319 (CTOR_SECTION_FUNCTION): Use it.
14320 (DTORS_SECTION_ASM_OP): Define.
14321 (DTOR_SECTION_FUNCTION): Use it.
14323 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14325 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14328 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14329 debug_bb_n): New functions.
14330 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14331 * basic-block.h: Prototype new functions.
14333 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14335 * configure.in: Add support for avr target.
14336 * configure: Rebuilt.
14338 * invoke.texi: Add AVR invocation docs.
14339 * install.texi: Add information about AVR.
14340 * md.texi: Add AVR constraint letters description.
14341 * extend.texi: Add description for AVR specific attributes.
14343 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14345 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14347 2000-02-16 Nick Clifton <nickc@cygnus.com>
14349 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14350 (make_insn_raw): Move RTL check here.
14352 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14354 * version.c: Include gansidecl.h and version.h.
14356 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14358 * configure.in (gcc_version): When setting, narrow search to
14359 lines containing `version_string'.
14361 * Makefile.in (mainversion): Likewise.
14362 (GCC_H): New variable.
14363 (gcc.h): Delete target.
14364 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14365 (version.o): Depend on version.h.
14366 (dbxout.o): Don't depend on gcc.h.
14368 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14369 Michael Meissner <meissner@cygnus.com>
14371 * md.texi (Simple Constraints): Add item about whitespace.
14372 * genoutput.c (strip_whitespace): New.
14373 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14374 strip_whitespace for constraints.
14375 Test pointer using NULL, not 0.
14377 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14379 * cpplib.c (do_line): Pedwarn for #line > 32767.
14381 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14383 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14385 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14386 to default cpp spec.
14387 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14388 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14391 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14394 2000-02-15 Denis Chertykov <denisc@overta.ru>
14396 * configure.in: Add support for avr target.
14398 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14400 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14401 (sh_addr_diff_vec_mode): Don't declare.
14402 * sh.c (sh_addr_diff_vec_mode): Delete.
14404 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14406 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14408 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14410 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14411 (smulsi3_highpart_i): Name.
14412 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14413 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14414 (smulsi3_highpart, umulsi3_highpart): Likewise.
14416 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14417 correctly independent of endianness.
14418 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14419 confuse the optimizers.
14420 (mulsidi3+1, umulsidi3+1): New define_split.
14422 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14424 * config/sh/sh.md: Guard insn splits against illegal registers.
14425 * config/sh/sh.h: Correct comment about macros.
14427 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14428 Andrew MacLeod <amacleod@cygnus.com>
14430 * Makefile.in (lcm.o): Depend on insn-attr.h.
14431 * basic-block.h (optimize_mode_switching): Declare.
14432 * lcm.c (tm_p.h, insn-attr.h): #include.
14433 (seginfo, bb_info): New structs.
14434 (antic, transp, comp, delete, insert) : New file-scope static variables.
14435 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14436 (reg_becomes_live, optimize_mode_switching): Likewise.
14437 * tm.texi: Add description of mode switching macros.
14438 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14440 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14441 (fldi_ok, fpscr_set_from_mem): New prototypes.
14442 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14443 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14444 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14445 (sh_flag_remove_dead_before_cse): Remove declaration.
14446 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14447 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14448 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14449 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14450 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14451 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14452 (fldi_ok): New function.
14453 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14454 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14455 (emit_df_insn): Likewise.
14456 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14457 (sh_flag_remove_dead_before_cse): Delete.
14458 (get_free_reg, fpscr_set_from_mem): New functions.
14459 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14460 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14462 2000-02-15 Loren Rittle <ljrittle@acm.org>
14464 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14466 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14468 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14469 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14471 * cccp.c: Include version.h and/or don't declare `version_string'.
14472 * collect2.c: Likewise.
14473 * alpha.c: Likewise.
14474 * arm/aof.h: Likewise.
14475 * arm/coff.h: Likewise.
14476 * arm/elf.h: Likewise.
14477 * arm/pe.h: Likewise.
14478 * arm/tcoff.h: Likewise.
14479 * arm/telf.h: Likewise.
14480 * arm/tpe.h: Likewise.
14481 * arm/vxarm.h: Likewise.
14482 * convex/convex.c: Likewise.
14483 * i386/dgux.c: Likewise.
14484 * i386/sun386.h: Likewise.
14485 * m88k/m88k.c: Likewise.
14486 * mcore/mcore-pe.h: Likewise.
14487 * mips/mips.h: Likewise.
14488 * romp/romp.h: Likewise.
14489 * sh/sh.c: Likewise.
14490 * cpphash.c: Likewise.
14491 * cppinit.c: Likewise.
14492 * dwarf2out.c: Likewise.
14493 * dwarfout.c: Likewise.
14496 * mips-tfile.c: Likewise.
14497 * protoize.c: Likewise.
14498 * toplev.c: Likewise.
14499 * tree.h: Likewise.
14501 * version.c (version_string): Constify a char*.
14503 * version.h: New file.
14505 2000-02-14 Nick Clifton <nickc@cygnus.com>
14507 * configure.in: Add mcore-elf and mcore-pe targets.
14508 * configure: Regenerate.
14510 * NEWS: Add note that MCore port has been contributed.
14512 * invoke.texi: Document command line switches for MCore port.
14513 * install.texi: Add MCore to list of supported targets.
14515 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14517 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14518 then we will need to import the frame handling functions.
14519 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14520 to import the frames themselves.
14522 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14523 Jason Eckhardt <jle@cygnus.com>
14525 * basic_block.h: Added prototype for reorder_basic_blocks.
14526 * toplev.c: Changes to add -freorder-blocks and graph dump after
14527 block reordering is done.
14528 * flow.c (reorder_block_def): New structure for use during block
14530 (REORDER_BLOCK_*): New macros to access members of above structure.
14531 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14532 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14533 functions for block reordering.
14535 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14537 * gcc.texi (Passes): Fix typo.
14538 * md.texi (Standard Names): Ditto.
14539 * tm.texi (Storage Layout): Ditto.
14541 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14543 * cpplib.c (do_define): Only free the old definition if it
14546 2000-02-13 Neil Booth <NeilB@earthling.net>
14548 * cppfiles.c (read_and_prescan): When emitting deferred
14549 newlines, test speccase[] again instead of checking each
14550 possible whitespace character in turn. When we encounter \r,
14551 look behind for \n first, then ahead.
14553 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14555 * cse.c (cse_altered): New internal flag.
14556 (cse_insn): Set it if we changed an insn.
14557 (cse_main): Clear cse_altered before each basic block.
14558 Only garbage collect if cse_altered is true afterward.
14560 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14562 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14564 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14566 * combine.c (simplify_comparison): Fix typo.
14568 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14570 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14573 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14575 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14576 previously inserted node instead of root node. Caller changed.
14578 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14580 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14582 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14584 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14585 __dereg_frame_dtor): Add prototype argument.
14587 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14589 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14591 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14593 * gthr-vxworks.h (__gthread_once): Likewise.
14595 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14597 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14599 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14600 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14601 stack pointer in functions w/o saved registers, output LEAVE more often
14602 on TARGET_USE_LEAVE machines.
14604 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14606 * config/arm/arm.c (arm_init_cumulative_args); New function:
14607 Initlaise the CUMULATIE_ARGS strcuture for a function
14609 (arm_function_arg): New function: Determine where to place a
14610 function's argument. Also handles deciding the function's
14612 (current_file_function_operand): New function: Return true if
14613 the symbol is a function which has already been compiled.
14614 (arm_is_long_call_p): New function: Return true if the
14615 indicated function should be called via a long call.
14616 (arm_valid_type_attribute_p): New function: Return true if the
14617 attribute is a valid, arm specific, attribute.
14618 (arm_comp_type_attribute): New function: Return true if the
14619 two types have compatable, arm specific, attributes.
14621 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14623 (FUNCTION_ARG): Redefine to call arm_function_arg.
14624 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14626 (INIT_CUMULATIVE_ARGS): Redefine to call
14627 arm_init_cumulative_args.
14628 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14630 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14632 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14634 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14635 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14636 (COMP_TYPE_ATTRIBUTES): Define.
14638 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14639 if a long call is needed.
14640 (call_value): Call arm_is_long_call_p to decide if a long call
14642 (call_symbol): Call arm_is_long_call_p to decide if a long call
14645 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14647 2000-02-11 Denis Chertykov <denisc@overta.ru>
14649 * README.AVR: New file with information about the avr ports.
14650 * config/avr: New directory with avr port files.
14652 2000-02-11 Andreas Jaeger <aj@suse.de>
14654 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14656 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14658 * cpphash.c: Fix formatting, update commentary.
14659 (dump_definition): Take three separate arguments instead of a
14660 MACRODEF structure argument.
14661 * cpphash.h: Update prototype of dump_definition.
14662 * cppinit.c (cpp_finish): Update call of dump_definition.
14664 * cpplib.c (do_define): Always create new hash entry with
14665 T_MACRO type. Remove redundant check for redefinition of
14666 poisoned identifier. Update call of dump_definition.
14667 (do_undef): Don't call check_macro_name. Rename sym_length to
14669 (do_error, do_warning): Don't use copy_rest_of_line or
14671 (do_warning): Don't use pedwarn for the actual warning,
14672 only the notice about its not being in the standard. (Fixes
14673 bug with #warning in system headers.)
14674 (do_ident): Stricter argument checking - accept only a single
14675 string after #ident. Also, macro-expand the line.
14676 (do_xifdef): Use cpp_defined. De-obfuscate.
14678 (do_pragma): Split out specific pragma handling to separate
14679 functions. Use get_directive_token. Update commentary. Do
14680 not pass on #pragma once or #pragma poison to the front end.
14681 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14682 do_pragma_default): New.
14684 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14686 * jump.c (jump_optimize_1): The first operand in a relational
14687 can be a CONST_INT.
14688 * optabs.c (emit_conditional_move): Handle relationals which
14689 have a known true/false result.
14691 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14693 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14694 a RETURN insn into a block which already ends with a jump.
14696 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14698 * haifa-sched.c (BUF_LEN): Increase a lot.
14700 2000-02-11 Nick Clifton <nickc@cygnus.com>
14702 * configure.in: Add tm_p_file specification for thumb targets.
14703 * configure: Regenerate.
14705 * config/arm/thumb-protos.h: New file: Prototypes for exported
14706 functions defined in thumb.c.
14708 2000-02-11 Robert Lipe <robertl@sco.com>
14710 * Makefile.in (bootstrap-lean): Remove additional files.
14711 (bootstrap2-lean): Likewise.
14712 (VOL_FILES): List of files for above.
14714 2000-02-11 Nathan Sidwell <nathan@acm.org>
14716 * cpphash.c (special_symbol): Remove spurious argument to
14719 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14721 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14723 * configure: Rebuilt.
14725 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14727 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14729 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14731 * pa.c, pa.h: Remove trigraph sequences within comments.
14733 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14735 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14737 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14739 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14741 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14743 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14745 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14747 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14748 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14749 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14750 (ASM_FILE_END): Use c4x_file_end.
14751 * config/c4x/c4x.c (c4x_global_label): New function.
14752 (c4x_external_ref, c4x_file_end): Likewise.
14754 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14755 (c4x_external_ref, c4x_end_file): Likewise.
14757 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14759 * cppexp.c: Don't include cpphash.h.
14760 (parse_charconst, cpp_lex): Use cpp_defined.
14761 (cpp_lex): Use get_directive_token throughout. Remove
14762 unnecessary cases from switch. Move assertion-handling code
14763 down to OTHER case.
14764 (cpp_parse_expr): If we see '+' or '-', check the context to
14765 determine if they are unary or binary operators. Streamline
14766 the jumps a bit. Do not call skip_rest_of_line.
14768 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14769 static. Export get_directive_token. Update commentary.
14770 (cpp_defined): New function.
14771 (do_define): Remove reference to T_PCSTRING. Call
14772 free_definition to release memory for old definition, when
14773 redefining a macro.
14774 (eval_if_expression): Set only_seen_white to 0 before calling
14775 cpp_parse_expr. Call skip_rest_of_line after it returns.
14776 (cpp_read_check_assertion): Don't preserve a pointer into the
14777 token buffer across a call to cpp_get_token.
14779 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14780 * cppfiles.c (redundant_include_p): Use cpp_defined.
14781 * cpphash.c (free_definition): New function.
14782 (delete_macro): Use it. Update commentary.
14783 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14785 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14786 from enum node_type. Prototype cpp_defined and get_directive_token.
14787 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14789 * fix-header.c (check_macro_names): Use cpp_defined.
14790 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14791 the options structure.
14793 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14795 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14797 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14799 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14800 rather than die->die_tag.
14802 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14804 * combine.c (make_extraction, force_to_mode): Avoid warning on
14805 mixed-signedness conditionals.
14806 (make_field_assignment, nonzero_bits): Likewise.
14807 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14808 (store_split_bit_field, extract_split_bit_field): Likewise.
14809 (extract_fixed_bit_field, store_bit_field,
14810 * expr.c: Change alignment to be unsigned everywhere.
14811 (move_by_pieces, store_constructor_field, store_constructor):
14812 Alignment parm is unsigned.
14813 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14814 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14815 (do_compare_rtx_and_jump): Likewise.
14816 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14817 Compare align with GET_MODE_ALIGNMENT.
14818 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14819 (get_inner_reference): Likewise.
14820 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14821 (expand_assignment): Local vars for alignment now unsigned.
14822 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14823 (do_compare_and_jump): Likewise.
14824 (store_field): Call new function expr_align.
14825 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14826 Alignment arg now unsigned.
14827 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14828 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14829 (extract_bit_field): Likewise.
14830 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14831 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14832 (get_best_mode): Alignment arg is unsigned.
14833 * rtl.h (move_by_pieces): Likewise.
14834 * store-layout.c (maximum_field_alignment, set_alignment):
14836 (layout_decl): Alignment arg is now unsigned.
14837 Remove unneeded casts.
14838 (layout_record, layout_union, layout_type): Remove unneeded casts.
14839 Local alignment variables now unsigned.
14840 (get_best_mode): Alignment arg now unsigned.
14841 * tree.c (expr_align): New function.
14842 * tree.h (expr_align): Likewise.
14843 (maximum_field_alignment, set_alignment): Now unsigned.
14844 (get_inner_reference): Alignment argument is now pointer to unsigned.
14845 * varasm.c (assemble_variable): Add cast to eliminate warning.
14847 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14849 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14850 then store directly into op0.
14852 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14853 the CALL_INSN, and emit the note immediately after it.
14855 2000-02-10 Nick Clifton <nickc@cygnus.com>
14857 * config/arm/thumb.md (epilogue): Include a (return) in the
14858 generated insn, and emit it using emit_jump_insn not
14861 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14863 * function.c (assign_temp): Change zero-sized arrays to size 1.
14864 * integrate.c (expand_inline_function): Do not update
14865 stack_alignment_needed
14866 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14867 add some sanity checking, remove optimization for function with
14870 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14872 * flow.c (mark_regs_live_at_end): Delete unused variables.
14874 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14876 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14877 in macro FRAME_GROWS_DOWNWARD.
14879 * stmt.c (expand_end_bindings): Delete unused variable.
14881 * unroll.c (iteration_info): Mark parameter `loop' with
14884 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14886 * fixinc/server.c (load_data): Return NULL if the marker line is
14888 (run_shell): If load_data returns NULL, retry the command once, in
14891 * configure: Rebuilt.
14893 2000-02-09 Bruce Korb <bkorb@gnu.org>
14895 * gcc/fixincludes: ** DELETED **
14896 * gcc/fixcpp: ** DELETED **
14897 * gcc/fixinc-nt.sed: ** DELETED **
14898 * gcc/just-fixinc: ** DELETED **
14899 * gcc/Makefile.in: Removed out-dated commentary
14900 * gcc/configure.in: Removed fast-fixincludes disablement.
14901 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14903 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14904 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14907 2000-02-09 Richard Henderson <rth@cygnus.com>
14909 * jump.c (delete_insn): Don't delete user labels at -O0.
14911 2000-02-09 Robert Lipe <robertl@sco.com>
14913 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
14914 Don't link with HOST_LIBS.
14916 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14918 * configure.in: Correct --help text for --with-dwarf2.
14919 Put tm-dwarf2.h after other tm files, if it's requested.
14920 * configure: Regenerate.
14921 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
14924 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14926 * cpplib.h: Provide HASHNODE typedef and forward decl of
14927 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
14928 DEFINITION, struct hashnode, struct macrodef, struct
14929 definition, scan_decls prototype, default defn of
14930 INCLUDE_LEN_FUDGE moved elsewhere.
14932 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
14933 definition, and struct hashnode moved here. Remove the unused
14934 'predefined' field from struct definition. Replace the 'args'
14935 union with its sole member. All users updated (cpphash.c).
14936 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
14937 multiple include guard.
14939 * cpphash.c (hashf): Make static; use better algorithm; drop
14940 HASHSIZE parameter; return an unsigned int.
14941 (cpp_lookup): Drop HASH parameter. PFILE parameter is
14942 used. Calculate HASHSIZE modulus here.
14943 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
14945 (create_definition): Drop PREDEFINITION parameter.
14946 * cpplib.c (do_define): Don't calculate a hash value here.
14947 Don't pass (keyword == NULL) to create_definition.
14949 * scan.h: Prototype scan_decls here.
14950 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
14951 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
14952 callers of cpp_lookup and cpp_install updated.
14954 * cpphash.c (macarg): Hoist all the flag diddling out of the
14956 (macroexpand): ... and out of the loop that calls macarg.
14957 Skip over the initial paren before macro arguments with
14958 cpp_get_non_space_token; point may be some distance before
14959 that paren. Abort if it's not there.
14961 * cpplib.c (parse_clear_mark): Delete function.
14962 (parse_set_mark, parse_goto_mark): Make static.
14963 (ACTIVE_MARK_P): New macro.
14964 (skip_block_comment, skip_line_comment): Do not bump the line
14965 if ACTIVE_MARK_P is true.
14966 (cpp_pop_buffer): The buffer to be popped may not have an
14968 (cpp_get_token): When looking for the initial paren before
14969 macro arguments, only set a mark in a file buffer, Always
14970 return to that mark before proceeding to call macroexpand or
14971 return a NAME token.
14973 * cpplib.h: Remove prototypes of parse_set_mark,
14974 parse_clear_mark, parse_goto_mark.
14975 (struct cpp_options): Rename 'put_out_comments' to
14976 'discard_comments' and invert its sense.
14977 * cppinit.c, cpphash.c, cpplib.c: All users of
14978 put_out_comments changed to use discard_comments, with
14981 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14983 * function.c (thread_prologue_and_epilogue_insns): Don't delete
14984 the edge from a block that both jumps and falls through to the
14987 2000-02-09 Scott Bambrough <scottb@netwinder.org>
14989 * config/arm/arm.md (movsi): In PIC mode, make sure that a
14990 constant source address is legitimate.
14992 2000-02-09 Philip Blundell <pb@futuretv.com>
14994 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
14997 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
14999 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15001 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15003 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15004 ends with a newline and a NUL. Don't be so clever manipulating
15007 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15009 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15010 not to BIGGEST_ALIGNMENT.
15012 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15014 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15015 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15016 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15017 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15018 * frame.c (execute_cfa_insn): Handle
15019 DW_CFA_GNU_negative_offset_extended.
15021 2000-02-08 Richard Henderson <rth@cygnus.com>
15023 * flow.c (tidy_fallthru_edges): Split out from ...
15024 (delete_unreachable_blocks): ... here.
15025 (find_basic_blocks): Use it.
15027 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15029 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15031 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15033 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15034 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15035 (fix-header.o): Don't depend on cpphash.h.
15037 * scan.c (hashstr): New function.
15038 * scan.h: Prototype it.
15039 * fix-header.c: Don't include cpphash.h. Use hashstr.
15040 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15041 hashstr. Report hash table statistics. Add private
15042 definition of xrealloc.
15044 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15046 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15048 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15050 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15051 jumps with returns unless they are jumps to the fallthru block.
15053 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15055 * i386.md (addqi3_cc): Fix contraints.
15057 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15059 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15061 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15063 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15064 carriage return after a macro name.
15066 2000-02-07 Fred Fish <fnf@be.com>
15068 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15069 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15071 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15073 * cppfiles.c (deps_output): Count spacers in deps_column.
15075 2000-02-07 Neil Booth <NeilB@earthling.net>
15077 * cppinit.c (initialize_dependency_output): If there is no
15078 suffix, don't try to look for known suffixes. Use strrchr.
15079 (cpp_start_read): Remove duplicate initialization.
15081 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15083 * calls.c (compute_argument_block_size): New argument
15084 preferred_stack_boundary.
15085 (expand_call): update cfun->preferred_stack_boundary, update call of
15086 compute_argument_block_size
15087 (emit_library_call): Increate cfun->preferred_stack_boundary
15088 to PREFERRED_STACK_BOUNDARY
15089 (emit_library_call_value): Likewise.
15090 * explow.c (allocate_dynamic_stack_spave): Likewise.
15091 * function.c (prepare_function_start): Set
15092 cfun->preferred_stack_boundary
15093 * function.h (struct function): Add preferred_stack_boundary field.
15094 * integrate.c (expand_inline_function): Update
15095 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15096 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15097 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15099 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15101 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15102 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15103 cpp_pedwarn, cpp_pedwarn_with_line,
15104 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15105 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15106 v_cpp_error_with_line, v_cpp_warning_with_line,
15107 cpp_message_from_errno, cpp_perror_with_name): Delete.
15109 * cpperror.c (cpp_print_containing_files): Take starting
15110 buffer as argument.
15111 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15112 (v_cpp_message): Now called directly by all entry points.
15114 (cpp_pfatal_with_name, cpp_message): Delete.
15115 (cpp_notice_from_errno, cpp_ice): New functions.
15116 (cpp_notice): Is now for reporting error conditions, just
15117 without an associated file.
15118 (cpp_error, cpp_error_with_line): Don't do anything if
15119 opts->inhibit_errors is on.
15120 (cpp_pedwarn_with_file_and_line): Take column argument also.
15122 * cpplib.h: Update prototypes of exported functions.
15123 (struct cpp_options): Add inhibit_errors.
15125 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15126 non-error messages. Include intl.h.
15128 * cppinit.c, cppmain.c: Likewise. Also, use
15129 cpp_notice_from_errno instead of cpp_perror_with_name or
15130 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15132 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15133 report internal errors.
15135 * cpplib.c (do_define): Switch bcopy to memcpy.
15136 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15138 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15139 bail out early if we hit a line comment.
15141 2000-02-06 Richard Henderson <rth@cygnus.com>
15143 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15144 * basic-block.h: Declare them.
15145 * emit-rtl.h (active_insn_p): New.
15146 (next_active_insn, prev_active_insn): Use it.
15147 * rtl.h: Declare it.
15148 * function.c (emit_return_into_block): New.
15149 (thread_prologue_and_epilogue_insns): Insert return insns instead
15150 of epilogues when possible.
15151 * jump.c (jump_optimize_1): Remove code to insert a return insn
15152 on the fallthru to the exit block.
15154 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15155 and for non-empty stack frames.
15156 * i386.md (return): Expand to return-pop as needed.
15158 2000-02-06 Richard Henderson <rth@cygnus.com>
15160 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15161 constant to op1 for testing.
15163 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15165 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15166 (fixuns_truncqfqi2): Use it.
15168 2000-02-06 Richard Henderson <rth@cygnus.com>
15170 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15171 as a TYPE_LEA insn.
15173 * i386.md (widening and peepholes): Mask the constant instead of
15176 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15178 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15179 input pointer before possibly branching off to the backslash
15181 * cpphash.c (macroexpand): Correctly delete \r escapes when
15182 stringifying parameters.
15183 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15184 if we can; bail out early if we hit a line comment.
15185 (handle_directive): Treat '# 123' in an .S file just like
15186 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15187 Return 1 for '# not_a_directive'.
15188 (get_directive_token): Pop macro buffers here, so that
15189 cpp_get_token can't sneakily move past a newline.
15191 (cpp_get_token): goto randomchar if handle_directive returns 0.
15193 * cppalloc.c: Update copyright.
15194 * cpplib.c: Merge all the static function prototypes into one
15196 * cpplib.h: Remove #if 0 block.
15198 * cpperror.c: Remove #ifdef EMACS block.
15199 * cppmain.c: Likewise.
15200 * cpphash.c: Remove #if 0 blocks.
15201 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15202 * cpplib.c: Remove #if 0 blocks and code referencing
15203 pcp_inside_if or for_lint. Remove duplicate error message.
15204 Fix error messages for #else after #else or #elif. Reformat.
15205 Remove archaic TODO list.
15206 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15208 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15210 * i386/osf1elf.h: Add missing backslash to multiline string.
15212 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15214 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15216 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15218 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15220 * c-common.c: Include expr.h.
15222 * c-pragma.c (mark_align_stack): Add prototype.
15224 * caller-save.c (add_stored_regs): Likewise.
15226 * combine.c (record_promoted_value): Likewise.
15228 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15231 * cppinit.c (new_pending_define): Likewise.
15233 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15235 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15236 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15237 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15238 class_scope_p): Likewise.
15240 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15241 dwarf2out_add_library_unit_info): Likewise.
15243 * ggc.h (ggc_page_print_statistics): Likewise.
15245 * haifa-sched.c (propagate_deps): Likewise.
15247 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15249 * rtl.h (set_stack_check_libfunc): Likewise.
15251 * toplev.h (set_fatal_function): Likewise.
15253 * toplev.c (set_fatal_function): Delete prototype.
15255 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15257 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15259 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15260 (FUNC_END): Likewise.
15262 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15264 * caller-save.c: Include tm_p.h.
15266 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15268 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15270 2000-02-04 Neil Booth <NeilB@earthling.net>
15272 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15275 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15277 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15278 * genflags.c: Use the max_operand_1 logic from genemit.c to
15279 calculate how many arguments gen_insn prototypes have. Remove
15280 NO_MD_PROTOTYPES ifdefs from the generated file.
15281 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15282 file. Cast gen_insn initializers to insn_gen_fn.
15283 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15284 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15286 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15288 * fixinc/Makefile.in (HDR): Add machname.h.
15291 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15293 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15294 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15295 (c4x_cpu_version): Ditto.
15296 * config/c4x/c4x-protos.h: ... here.
15298 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15300 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15301 gen_abstract_function on our context if we're a nested function.
15303 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15305 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15306 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15308 2000-02-04 Bruce Korb <bkorb@gnu.org>
15310 * fixinc/genfixes(machname.h):
15311 Move the functionality from gen-machine.h into this file.
15312 UNdef MN_NAME_PAT if there are no names to change.
15313 Also, be a little kinder when AutoGen is not present.
15315 * fixinc/Makefile.in(machname.h):
15316 Change the generation rule to use genfixes.
15318 * fixinc/fixfixes.c(machine_name):
15319 machine_name_fix's functionality now dependent upon whether
15320 MN_NAME_PAT is defined.
15322 * fixinc/fixtests.c(machine_name):
15325 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15328 * fixinc/fixlib.h(mn_get_regexps):
15331 * fixinc/gen-machine.h: DELETED
15333 2000-02-04 Jan Hubicka <jh@suse.cz>
15334 Richard Henderson <rth@cygnus.com>
15336 * i386.c (SAVE_REGS_FIRST): Remove.
15337 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15338 (ix86_compute_frame_size): Likewise.
15339 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15340 (ix86_emit_restore_regs): Remove.
15341 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15342 when a frame pointer is in use.
15343 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15344 instead of pop to restore a register when profitable; emit leave
15346 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15347 as a TYPE_LEA insn.
15348 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15349 * i386.md (prologue_allocate_stack): Remove.
15350 (epilogue_deallocate_stack): Remove.
15351 (pro_epilogue_adjust_stack): New.
15353 2000-02-04 Richard Henderson <rth@cygnus.com>
15355 * function.c (diddle_return_value): Rework to use a callback function.
15356 Use current_function_return_rtx if it's been set up.
15357 (do_clobber_return_reg, clobber_return_register): New.
15358 (do_use_return_reg, use_return_register): New.
15359 (expand_function_end): Use them.
15360 * stmt.c (expand_null_return): Likewise.
15361 * function.h: Declare them.
15362 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15363 (mark_reg): Change arguments as appropriate for callback.
15364 * integrate.c (expand_inline_function): Revert 19 Jan change.
15366 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15368 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15369 (Misc): Say the scheduler, not the Haifa scheduler.
15371 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15373 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15374 when in_mem is set. Update all callers.
15376 2000-02-04 Richard Henderson <rth@cygnus.com>
15378 * i386/openbsd.h (INT_ASM_OP): Define.
15380 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15382 * tm.texi: Fix various typos.
15384 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15386 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15387 (MD_STARTFILE_PREFIX_1): New macro.
15389 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15391 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15392 destination when needed.
15393 (strmovsi, strsetsi): New expander.
15394 (strmovsi_1, strsetsi_1): New pattern.
15395 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15396 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15397 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15398 * invoke.texi (align-stringops, inline-all-stringops): Document.
15400 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15402 * i386/netbsd.h (INT_ASM_OP): Define.
15404 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15406 * cpplib.h (cpp_reader): Add new flag, no_directives.
15407 * cpphash.c (macarg): Set it.
15408 * cpplib.c (handle_directive): If no_directives is on and we
15409 find a directive, issue an error and discard the line.
15411 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15413 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15414 FP constants. Add ! TARGET_FPU check for FP constants.
15416 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15418 * flow.c (find_basic_blocks): Don't kill label_value_list
15420 (cleanup_cfg): Kill it here.
15422 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15424 * expr.c (store_field): Ensure ALIGN is no stricter than the
15427 2000-02-02 Richard Henderson <rth@cygnus.com>
15429 * jump.c (delete_insn): Partially revert 19 Jan change;
15430 don't convert unused code labels to notes at -O0.
15432 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15434 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15435 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15437 2000-02-01 Richard Henderson <rth@cygnus.com>
15439 * i386.c (general_no_elim_operand): New.
15440 (nonmemory_no_elim_operand): New.
15441 (ix86_expand_move): Copy eliminable operands before a push.
15442 * i386-protos.h: Declare new functions.
15443 * i386.h (CAN_ELIMINATE): Simplify.
15444 (PREDICATE_CODES): Update.
15445 * i386.md (push insns): Don't allow eliminable register operands.
15447 2000-02-01 Richard Henderson <rth@cygnus.com>
15449 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15450 replace BLKmode with DECL_RTL's mode.
15452 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15454 * frame.c (find_fde): Convert for loop to do-while so compiler
15455 sees it's always executed at least once.
15456 * libgcc2.c (BBINBUFSIZE): Kill.
15457 (__bb_init_prg): Use fgets.
15458 (__bb_exit_trace_func): Don't paste strings.
15459 * unroll.c (unroll_loop): Initialize unroll_type, not
15460 unroll_number, and tweak logic to match.
15462 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15464 (ix86_flags_dependant): Likewise. Disentangle control flow.
15465 (ix86_sched_reorder): Break guts out to
15466 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15467 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15470 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15471 use string concatenation. Don't save and restore esi.
15473 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15474 (machname.h): Remove script to separate file. Use two-step
15475 sequence so target is not created if script fails.
15476 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15477 identifiers are defined.
15478 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15479 an empty string, machine_name doesn't need to do anything at
15481 (is_cxx_header): Add more cases to regexp.
15482 * fixinc/fixlib.h: Update prototype.
15483 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15485 * fixinc/fixincl.c: Define NO_BOGOSITY.
15487 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15488 (hp_sysfile): Add missing comma.
15489 (math_exception): Put the wrapper ifdefs at the beginning and
15490 the end of the file.
15491 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15493 2000-02-01 Richard Henderson <rth@cygnus.com>
15495 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15496 Use CONST0_RTX. Update all callers.
15497 * sparc.h, sparc-protos.h: Update accordingly.
15498 * sparc.md (fp mov insns): Use fp_zero_operand directly
15501 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15503 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15506 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15508 * Makefile.in (specs.ready): New target.
15509 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15511 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15513 * fixinc.irix: Use unique filenames for writing into /tmp,
15514 * fixinc.ptx: Likewise.
15515 * fixinc.sco: Likewise.
15516 * fixinc.svr4: Likewise.
15517 * fixinc.winnt: Likewise.
15519 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15521 * tsystem.h: New file.
15523 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15524 s-crtS): Depend on tsystem.h.
15526 * crtstuff.c: Include tsystem.h.
15527 * frame.c: Likewise.
15528 * libgcc2.c: Likewise.
15530 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15532 * builtins.c (expand_builtin_memset): Expand for variable sized
15535 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15537 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15540 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15542 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15544 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15546 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15548 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15549 case 3->2 combining (combining with splitting) in which 2 is CC0
15550 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15551 checked at the begining of the function with the aid of calling
15552 function 'can_combine_p'.
15554 2000-01-31 Dave Brolley <brolley@redhat.com>
15556 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15558 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15560 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15563 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15565 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15567 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15570 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15572 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15573 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15574 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15575 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15576 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15577 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15578 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15579 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15580 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15581 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15583 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15584 Add %(cpp_cpu) to CPP_SPEC.
15586 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15587 Add %(cc1_cpu) to CC1_SPEC.
15589 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15591 * c-decl.c (c_decode_option): Accept optional numeric argument to
15592 -Wformat and set warn_format.
15593 * c-common.c: Don't emit warning about non-constant printf format
15594 string unless warn_format > 1.
15596 2000-01-30 Richard Henderson <rth@cygnus.com>
15598 * alpha.md (return_internal): Allow after reload only.
15600 2000-01-30 Richard Henderson <rth@cygnus.com>
15602 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15603 local frame size is zero.
15605 2000-01-30 Richard Henderson <rth@cygnus.com>
15607 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15608 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15609 * alpha.md (return): Turn into an expander.
15610 (return_internal): Don't use $26.
15611 (epilogue): Emit the return insn.
15613 2000-01-30 Richard Henderson <rth@cygnus.com>
15615 * alpha.md (negtf2, abstf2): Fix word order thinko.
15616 (extendsftf2): New.
15617 (trunctfsf2): Avoid intermediate rounding errors.
15619 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15621 * cppfiles.c (find_position): Drop 'colp' argument, return the
15623 (read_and_prescan): Adjust to match. Don't ever manipulate
15624 line or line_base except via find_position.
15626 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15628 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15629 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15632 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15634 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15635 just print "<command line>". If 'filename' is null or an
15636 empty string, print "<stdin>" for the filename.
15637 * cpplib.c (do_define): Don't print the 'location of the
15638 previous definition' message if we're still parsing the
15640 (cpp_pedwarn_with_file_and_line): Always call
15641 cpp_file_line_for_message.
15643 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15645 * flow.c (mark_regs_live_at_end): Fix typo.
15647 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15649 * c-common.c: Adjust variable names, comments, help strings to c99.
15650 * c-lex.c: Likewise.
15651 * c-parse.y: Likewise.
15652 * c-tree.h: Likewise.
15653 * cccp.c: Likewise.
15654 * cpplib.h: Likewise.
15655 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15656 * cppinit.c: Likewise.
15658 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15660 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15661 * c4x.c: Define the optab rtx values.
15662 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15663 (c4x_emit_libcall): Use new optab rtx values.
15664 (c4x_emit_libcall3): Likewise.
15665 (c4x_emit_libcall_mulhi): Likewise.
15666 * c4x-protos.h: Add prototypes for optab rtx values and change
15667 prototypes for above c4x_emit_libcall functions.
15669 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15671 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15673 (c4x_function_prologue): Use regnames intead of float_reg_names when
15675 (c4x_function_epilogue): Likewise.
15676 (c4x_print_operand): Likewise.
15677 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15678 * c4x.md (set_high): Disable for TARGET_TI.
15680 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15682 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15683 of framepointer + constant to ADDR_REGS class.
15684 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15685 * c4x.c (std_or_reg_operand): New function.
15686 * c4x-protos.h (std_or_reg_operand): Prototype it.
15688 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15690 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15691 object names as libgcc2.c.
15692 * libgcc.S: Use newly defined names.
15694 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15695 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15697 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15698 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15699 (FLOW_LOOP_LAST_BLOCK): Likewise.
15701 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15703 * basic-block.h (struct loop): New fields 'first' and 'last'.
15704 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15705 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15706 and loop->last to check for NOTE_INSN_LOOP_END.
15708 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15710 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15711 of the loop descriptor rather than HEADER and LATCH. Also added
15712 missing break statements as well making some coding style modifications
15713 as suggested by Michael Hayes.
15715 2000-01-28 Richard Henderson <rth@cygnus.com>
15717 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15718 Break out that code ...
15719 (cleanup_cfg): ... here.
15720 (commit_one_edge_insertion): Detect a return instruction being
15721 emitted to an edge. Emit a barrier following; clear fallthru.
15722 (commit_edge_insertions): Verify CFG consistency.
15723 * function.c (expand_function_start): Kill unused variable.
15724 (expand_function_end): Likewise.
15725 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15726 to insert the epilogue.
15728 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15729 (delete_null_pointer_checks): Likewise.
15730 * output.h: Likewise.
15731 * reg-stack.c (reg_to_stack): Likewise.
15732 * toplev.c (rest_of_compilation): Likewise. Run
15733 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15735 2000-01-28 Richard Henderson <rth@cygnus.com>
15737 * Makefile.in (flow.o): Revert 24 Jan change.
15738 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15739 FUNCTION_VALUE result to DECL_RESULT's mode.
15741 * haifa-sched.c (schedule_insns): Don't recompute reg info
15744 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15746 * configure.in: Make --enable-cpplib the default.
15747 * configure: Regenerate.
15748 * gcc.dg/990119-1.c: No longer expected to fail.
15750 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15752 * jump.c (jump_optimize_1): Delete an optimization that is also done
15753 by merge_blocks in flow.
15755 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15757 * diagnostic.c (build_message_string, output_printf,
15758 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15759 (build_location_prefix): Fix non-literal format string.
15761 2000-01-27 Richard Henderson <rth@cygnus.com>
15763 * alpha.md (trunctfsf2): New.
15765 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15767 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15769 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15771 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15773 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15775 (skip_comment) ... here. Permit C++ comments in system
15776 headers always. Warn about C++ comments in user code under
15777 -std=gnu89 -pedantic.
15778 (copy_comment): Use skip_comment.
15779 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15781 (consider_directive_while_skipping, do_else, do_endif): Call
15782 validate_else unconditionally.
15783 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15784 text after the conditional in a system header.
15785 * cpplib.h (struct cpp_buffer): Add flag
15786 warned_cplusplus_comments.
15788 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15790 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15791 Use unshare_all_rtl_1.
15792 (unshare_all_rtl_again): New function.
15793 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15795 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15796 rather than resetting the 'used' flags ourself.
15798 * toplev.c (rest_of_compilation): Add current_function_decl
15799 to the unshare_all_rtl call.
15800 * tree.h: Prototype unshare_all_rtl.
15801 * rtl.h: Prototype unshare_all_rtl_again here.
15803 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15805 * genoutput.c (output_prologue): Include ggc.h in generated
15807 * Makefile.in (insn-output.o): Depends on ggc.h.
15809 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15810 Hans-Peter Nilsson <hp@bitrange.com>
15812 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15813 Remove redundant include of xm-ns32k.h.
15814 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15815 Remove redundant include of xm-ns32k.h.
15816 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15817 Remove redundant include of xm-ns32k.h.
15818 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15820 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15821 (TARGET_SWITCHES): Add documentation strings.
15822 (DWARF_FRAME_REGNUM): Override default definition.
15823 (REG_CLASS_CONTENTS): Add comments.
15824 (SUBSET_P): Format to reduce line length.
15825 (SMALL_REGISTER_CLASSES): Make a run time option.
15826 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15827 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15828 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15829 (regclass_map): fix typo in comment.
15830 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15831 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15832 (trace, reg_or_mem_operand): Delete, unused function.
15833 (calc_address_cost): Small offsets are cheaper than large ones.
15834 (expand_block_move): Generate more efficient code when bytes is a
15835 known at compile time.
15836 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15837 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15838 instead of reg_or_mem_operand.
15840 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15841 not general_operand. Similarly use "=rm" or stricter, not "=g".
15842 For input operands, use stricter constraints than "g" if not
15843 general_operand. Similarly use stricter predicate than
15844 "general_operand" when stricter constraints than "g" are present,
15845 except for matching constraints.
15846 (movstrsi): Use "memory_operand" for operands 0 and 1.
15847 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15848 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15849 not reg_or_mem_operand.
15850 (udivmoddisi4): Ditto.
15851 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15852 Use nonimmediate_operand for operand 3, not register_operand.
15853 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15854 reg_or_mem_operand.
15856 2000-01-27 Fred Fish <fnf@be.com>
15858 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15859 * gthr-single.h: Likewise.
15860 * gthr-solaris.h: Likewise.
15861 * gthr-vxworks.h: Likewise.
15862 * gthr-win32.h: Likewise.
15863 * gthr.h: Likewise.
15865 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15867 * cppinit.c: Add " (cpplib)" to end of string printed by
15870 2000-01-27 Richard Henderson <rth@cygnus.com>
15872 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15873 testing for a signed comparison.
15874 (alpha_emit_floatuns): New.
15875 * alpha-protos.h: Declare it.
15876 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15877 (extendsfdf2): Tidy.
15879 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15881 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15882 no -g option specifying debugging format, default to -gstabs+.
15884 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15886 * calls.c (special_function_p): New argument fork_or_exec.
15887 (expand_call): When profile_arc_flag is set and the function
15888 is in the fork_or_exec group, call __bb_fork_func first.
15889 * libgcc2.c, _bb module (__bb_fork_func): New function.
15890 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15892 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15893 * tree.h (special_function_p): Update prototype.
15895 2000-01-26 Richard Henderson <rth@cygnus.com>
15897 * alpha.c (alpha_split_tfmode_pair): New.
15898 * alpha-protos.h: Declare it.
15899 * alpha.md (abstf2, negtf2): New.
15900 (movtf insn): Add input G constraint.
15901 (movtf splitter): Use alpha_split_tfmode_pair.
15903 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15905 * i386/cygwin.h: PROTO -> PARAMS.
15907 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15909 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15910 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15911 using _Qp_cmp/_Q_cmp and testing the return value.
15912 (print_operand): Call reverse_condition_maybe_unordered if
15913 we are handling CCFPmode or CCFPEmode.
15914 Handle ORDERED, UN* and LTGT comparisons.
15915 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
15916 if not TARGET_HARD_QUAD.
15917 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
15918 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
15919 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
15920 Adjust gen_b* calls so that they reflect return comparison of
15921 sparc_emit_float_lib_cmp.
15923 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15925 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
15926 incoming operands array is large enough for one more operand.
15927 (alpha_emit_xfloating_arith): Likewise.
15929 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15931 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
15932 file with one line and no trailing newline.
15933 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
15934 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
15935 checking if the match is on the line.
15936 * fixinc/gnu-regex.c: Provide regerror not __regerror.
15938 2000-01-25 Richard Henderson <rth@cygnus.com>
15940 * sparc.c (output_cbranch): Fix accidental squashing of the
15941 fp branch pre-delay nop.
15943 2000-01-25 Richard Henderson <rth@cygnus.com>
15945 * tree.def (UNNE_EXPR): Remove.
15946 * c-typeck.c (build_binary_op): Don't handle it.
15947 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
15949 * rtl.def (UNNE): Remove.
15951 * jump.c (reverse_condition): Update accordingly.
15952 (swap_condition): Likewise.
15953 (comparison_dominates_p): Handle unordered comparisons.
15954 (reverse_condition_maybe_unordered): New.
15955 * rtl.h (reverse_condition_maybe_unordered): Declare.
15957 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
15958 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
15959 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
15960 * sparc.md (bltgt): New.
15962 2000-01-25 Nick Clifton <nickc@redhat.com>
15964 * emit-rtl.c (emit_insn): Only check machine class insns for
15965 improper emission of a RETURN.
15967 2000-01-25 Richard Henderson <rth@cygnus.com>
15969 * Makefile.in (flow.o): Depend on $(EXPR_H).
15970 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
15971 duplicate the structure of diddle_return_value for keeping regs live.
15973 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15975 * loop.c (current_loop_info): Delete.
15976 (consec_sets_invariant_p): Add loop argument, update callers.
15977 (get_condition_for_loop): Likewise.
15978 (count_nonfixed_reads, update_giv_derive): Likewise.
15979 (simplify_giv_expr, general_induction_var): Likewise.
15980 (consec_sets_giv, recombine_givs): Likewise.
15981 (move_movables): Delete loop_start and loop_end arguments,
15982 add loop argument, and update callers.
15983 (find_mem_givs, check_final_value): Likewise.
15984 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
15985 (loop_invariant_p): Rename from invariant_p, add loop argument, and
15987 (basic_induction_var): Add loop argument, delete loop_level argument,
15988 and update callers.
15989 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
15990 add loop argument, and update callers.
15991 (find_splittable_regs, find_splittable_givs): Likewise.
15992 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
15993 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
15994 (biv_total_increment): Delete loop_start and loop_end arguments;
15996 (precondition_loop_p): Delete loop_start and loop_info arguments;
15998 * loop.h (get_condition_for_loop): Add loop argument.
15999 (biv_total_increment): Delete loop_start and loop_end arguments.
16000 (precondition_loop_p): Delete loop_start and loop_info arguments;
16002 (final_biv_value): Delete loop_start and loop_end arguments;
16004 (final_giv_value, back_branch_in_range_p): Likewise.
16006 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16008 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16010 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16012 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16013 point to the new "generated_files" doc.
16015 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16017 * config/fp-bit.c (_unord_f2): Fix typo.
16019 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16021 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16022 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16023 functions obsoleted by GC, such as push_obstacks_nochange,
16024 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16025 and code which existed only to decide whether or not to call
16026 them. Remove now-unused NESTED argument from start_function;
16027 all callers changed. Do not change behavior based on ggc_p.
16028 The use of the ixp_obstack in c-iterate.c and the util_obstack
16029 in objc/objc-act.c remain; these are not obsoleted by garbage
16031 * c-tree.h: Update prototype for start_function.
16033 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16035 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16037 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16040 2000-01-25 Richard Henderson <rth@cygnus.com>
16042 * sparc-protos.h (select_cc_mode): Declare.
16043 * sparc.c (select_cc_mode): New. Handle unordered compares.
16044 (output_cbranch): Always reverse via code change. Handle
16045 unordered compares. Factor tests and string updates.
16046 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16047 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16048 * sparc.md (bunordered, bordered): New.
16049 (bungt, bunlt, buneq, bunge, bunle): New.
16051 2000-01-25 Richard Henderson <rth@cygnus.com>
16053 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16054 * ggc-common.c (ggc_add_rtx_varray_root): New.
16055 (ggc_mark_rtx_varray): New.
16056 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16057 functions down below ggc_mark_foo.
16058 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16060 2000-01-25 Richard Henderson <rth@cygnus.com>
16062 * alpha.c (secondary_reload_class): Don't allocate a secondary
16063 for integral mode memories into FLOAT_REGS. Rearrange the more
16064 complicated memory expression inward.
16066 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16068 * inclhack.def: Fixes to play nicer with FreeBSD, and
16069 corrections to comments.
16070 (cxx_unready): Add select expression.
16071 (irix_sockaddr): Add bypass expression.
16072 (machine_ansi_h_va_list): New fix.
16073 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16074 Split out addition of "#include <stdarg.h>" to...
16075 (stdio_stdarg_h): ... here.
16076 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16077 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16078 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16080 (ultrix_ifdef): Tighten up select expression.
16082 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16083 re_ct and max_mach to avoid use of shell. Make printed names
16084 match names in inclhack.def. Use static copyright date.
16085 Don't count c_test and test expressions as requiring regex_t
16086 slots. Add some commentary.
16087 * inclhack.tpl: Do not include the 'This script contains N
16088 fixup scripts' line if PROGRAM is defined. Use static
16091 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16093 * dwarf2out.c: include "varray.h", not dyn-string.h.
16094 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16095 (addr_const_to_string, addr_to_string): Lose.
16096 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16097 (struct dw_val_struct): val_addr is now an rtx.
16098 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16099 (used_rtx_varray): New varray.
16100 (dwarf2out_init): Initialize it.
16101 (save_rtx): New fn.
16102 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16104 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16105 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16106 * Makefile.in (dwarf2out.o): Update dependencies.
16108 2000-01-24 Richard Henderson <rth@cygnus.com>
16110 * i386.c (i386_dwarf_output_addr_const): New.
16111 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16113 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16115 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16116 * i386.c (i386_simplify_dwarf_addr): New.
16117 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16119 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16121 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16122 TYPE_STUB_DECL is NULL.
16124 2000-01-24 Richard Henderson <rth@cygnus.com>
16126 * builtins.c (expand_tree_builtin): Move ...
16127 * c-common.c (expand_tree_builtin): ... here.
16129 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16131 * loop.h (LOOP_INFO): New accessor macro.
16132 * basic-block.h (struct loop): Rename field `info' to `aux'.
16133 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16134 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16135 * unroll.c (loop_iterations, unroll_loop): Likewise.
16137 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16139 * config/i386/t-cygwin: Accomodate new winsup directory layout
16140 when searching for include files.
16142 2000-01-24 Richard Henderson <rth@cygnus.com>
16144 * rtl.def: Add unordered fp comparisions.
16145 * tree.def: Likewise.
16146 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16148 * builtins.c (expand_tree_builtin): New function.
16149 * c-typeck.c (build_function_call): Use it.
16150 (build_binary_op): Support unordered compares.
16151 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16153 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16154 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16155 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16156 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16157 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16159 (swap_condition): Handle unordered compares.
16160 (thread_jumps): Check can_reverse before reversing.
16161 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16164 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16165 setcc is present before acking for cmp_optab. Update all callers.
16166 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16167 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16168 * expr.c (expand_expr): Likewise. Support unordered compares.
16169 (do_jump, do_store_flag): Likewise.
16170 * expr.h (enum libfunc_index): Add unordered compares.
16172 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16173 (DPBIT_FUNCS): Add _unord_df.
16174 * config/fp-bit.c (_unord_f2): New.
16175 * fp-test.c (main): Try unordered compare builtins.
16177 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16178 * alpha.c (alpha_comparison_operator): Check mode properly.
16179 (alpha_swapped_comparison_operator): Likewise.
16180 (signed_comparison_operator): Likewise.
16181 (alpha_fp_comparison_operator): New.
16182 (alpha_emit_conditional_branch): Handle unordered compares.
16183 * alpha.h (PREDICATE_CODES): Update.
16184 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16185 (bunordered, bordered): New.
16187 2000-01-24 Richard Henderson <rth@cygnus.com>
16189 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16190 * alpha.md (movtf): New expander, insn, and splitter.
16192 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16194 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16197 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16199 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16200 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16201 REG_ALLOC_ORDER): Add frame pointer
16202 (FRAME_POINTER_REGNUM): Set to 20
16203 (HARD_FRAME_POINTER_REGNUM): New macro.
16204 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16205 to HARD_FRAME_POINTER.
16206 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16207 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16208 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16209 (HI_REGISTER_NAMES): Add "frame".
16210 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16211 (debug_reg): Handle FRAME_POINTER_REGNUM.
16212 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16213 GENERAL_REGS and INDEX_REGS.
16214 * i386.c (SAVED_REGS_FIRST): new macro.
16215 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16216 (ix86_decompose_address, memory_address_length): Likewise.
16217 (regclass_map): Add frame pointer.
16218 (call_insn_operand): Handle frame_pointer_rtx.
16219 (reg_no_sp_operand): Likewise.
16220 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16221 (print_operand, legitimize_pic_address): Fix formating.
16222 (ix86_compute_frame_size): Make static, update prototype, new
16223 parameters padding1, padding2, use ix86_nsaved_regs, use
16224 stack_alignment_needed.
16225 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16226 to HARD_FRAME_POINTER_REGNUM conversions.
16227 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16228 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16229 (print_reg): Abort on FRAME_POINTER_REGNUM
16231 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16233 * i386.h (PREDICATE_CODES): Add aligned_operand.
16234 * i386.c (aligned_operand): New function.
16235 (ix86_aligned_p): Kill.
16236 * i386.md (movhi_1): Emit mov for aligned operands.
16237 (promoting peep2s): Use aligned_operand.
16239 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16241 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16242 expression to allow underscores in macro names.
16243 (fix_char_macro_defines): Increment scanning pointer.
16245 2000-01-23 Richard Henderson <rth@cygnus.com>
16247 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16248 * alpha/osf5.h: New file.
16249 * configure.in (alpha-*-osf5): Add it to tm_file.
16251 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16253 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16254 (alpha_emit_xfloating_cvt, function_arg): Declare.
16255 * alpha.c (alpha_emit_conditional_branch): Call
16256 alpha_emit_xfloating_compare for TFmode compares.
16257 (alpha_lookup_xfloating_lib_func): New.
16258 (alpha_compute_xfloating_mode_arg): New.
16259 (alpha_emit_xfloating_libcall): New.
16260 (alpha_emit_xfloating_arith): New.
16261 (alpha_emit_xfloating_compare): New.
16262 (alpha_emit_xfloating_cvt): New.
16263 (print_operand): Add default abort case.
16264 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16265 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16266 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16267 (RETURN_IN_MEMORY): True for TF/TCmode.
16268 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16269 (FUNCTION_ARG): Move to function_arg.
16270 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16271 (ASM_OUTPUT_LONG_DOUBLE): New.
16272 (ASM_OUTPUT_DOUBLE): Always output bits.
16273 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16274 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16275 (extenddftf2, trunctfdf2): New.
16277 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16279 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16280 * config/sparc/sol2.h: ... here.
16282 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16284 * basic-block.h (struct loops): New field `levels'.
16285 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16286 (flow_loop_level_compute): Initialise level to 1.
16287 (flow_loops_find): Set loops->levels.
16288 (flow_loops_dump): Print loops->levels.
16290 2000-01-23 Richard Henderson <rth@cygnus.com>
16292 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16293 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16295 2000-01-23 Richard Henderson <rth@cygnus.com>
16297 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16298 * i386.h (DBX_REGISTER_NUMBER): Use them.
16299 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16300 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16301 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16302 * i386/sequent.h: Kill incorrect comment.
16304 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16306 * ggc-page.c (struct page_entry): Make `context_depth' an
16308 (struct globals): Likewise.
16310 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16312 * loop.c (check_dbra_loop): When checking a loop for
16313 reversability, check the source of any stores to ensure
16314 they don't depend on an initial value.
16316 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16318 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16320 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16322 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16323 'pz_scan' into scope of entire function. Only affects
16324 compiles with -DDEBUG.
16326 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16328 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16329 section naming to that prior to 2000-01-07 patch.
16330 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16331 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16332 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16333 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16334 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16336 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16338 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16341 2000-01-21 Jim Wilson <wilson@cygnus.com>
16343 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16344 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16346 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16348 * cpphash.c (change_newlines): Delete function.
16349 (struct argdata): Delete 'newlines' and 'use_count' fields.
16350 (macroexpand): Remove code referencing those fields.
16352 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16354 * loop.c (loops_info): New variable.
16355 (loop_optimize): Allocate loops->array and free it on exit.
16356 Allocate memory for loops_info and assign to each loop,
16358 (find_and_verify_loops): Do not allocate loops->array.
16360 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16362 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16364 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16366 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16367 pseudos if expanded after first flow.
16368 (movdi_pic_label_ref): Likewise.
16370 2000-01-20 Richard Henderson <rth@cygnus.com>
16372 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16374 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16376 * Makefile.in (fixinc.sh): Depend on specs.
16377 * fixinc/Makefile.in: Add rule to create machname.h.
16378 (fixlib.o): Depend on machname.h.
16379 * fixinc/fixtests.c (machine_name): New test.
16380 * fixinc/fixfixes.c (machine_name): New fix.
16381 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16382 the machine_name test and fix.
16383 * fixinc/fixlib.h: Prototype it.
16384 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16385 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16387 * gcc.c (do_spec_1) [case P]: Take care not to create
16388 identifiers with three leading or trailing underscores.
16390 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16391 (fixincl): Don't specify libraries twice on link line.
16392 (gnu-regex.o): Remove special rule.
16393 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16394 defined by config.h. Do not define _REGEX_RE_COMP.
16395 (regcomp): Allocate and initialize a fastmap.
16396 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16398 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16400 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16402 2000-01-19 Richard Henderson <rth@cygnus.com>
16404 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16405 arguments with BB. Update all callers. Tidy line wrapping.
16407 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16409 * emit-rtl.c (try_split): Return last_insn if we split the
16412 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16414 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16415 (ix86_initial_elimination_offset): Declare.
16416 * i386.c (ix86_nsaved_regs): Break out from ...
16417 (ix86_can_use_return_insn_p): ... here.
16418 (ix86_emit_save_regs): Break out from ...
16419 (ix86_expand_prologue): ... here.
16420 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16422 (ix86_expand_epilogue): ... here.
16423 (ix86_compute_frame_size): Make static, add prototype.
16424 (ix86_initial_elimination_offset): Break out from ...
16425 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16427 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16429 * recog.h (OUT_FCN): Delete.
16431 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16433 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16435 * cppalloc.c: PROTO -> PARAMS.
16436 * cpperror.c: Likewise.
16437 * cppfiles.c: Likewise.
16438 * cpplib.c: Likewise.
16439 * cpplib.h: Likewise.
16441 * config/arm/arm-protos.h: PROTO -> PARAMS.
16442 * config/arm/arm.c: Likewise.
16443 * config/c4x/c4x.c: Likewise.
16444 * config/fr30/fr30-protos.h: Likewise.
16445 * config/nextstep.c: Likewise.
16446 * config/pa/pa.c: Likewise.
16447 * config/pj/pj.c: Likewise.
16448 * config/rs6000/rs6000.c: Likewise.
16449 * config/v850/v850-protos.h: Likewise.
16450 * config/v850/v850.c: Likewise.
16452 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16454 * i370-protos.h: New file.
16456 * i370.c: Include tm_p.h. Fix compile time warnings.
16458 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16461 * i370.md: Likewise.
16463 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16465 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16466 (target_isinf, target_isnan, eisnan): Mark parameter with
16468 (eiisinf): Wrap in INFINITY.
16469 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16470 (ibmtoe): Remove unused variable `rndsav'.
16472 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16474 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16475 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16477 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16479 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16480 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16481 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16483 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16484 Recognize Emacs mode markers also.
16485 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16486 C++ comments in C++ headers. Call is_cxx_header only if
16489 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16490 bypass for ncurses.
16491 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16492 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16493 ... these, which use the new C fixes.
16494 (math_exception): Escape literal '+' in bypass expression.
16496 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16499 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16501 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16504 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16506 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16507 prior to calling scan_loop.
16509 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16511 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16512 (split_branches, calc_live_regs): Likewise.
16514 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16516 * sh.md (fpu_single, fp_mode): New attributes.
16518 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16520 * loop.c (current_loop_info): Renamed from loop_info_data
16521 and changed to a pointer.
16522 (loop_optimize): Allocate loop_info structure for each loop
16523 and initialise to zero.
16524 (scan_loop): Set current_loop_info.
16526 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16529 2000-01-19 Richard Henderson <rth@cygnus.com>
16531 * stupid.c: Die die die.
16532 * Makefile.in (OBJS): Remove stupid.o.
16533 (stupid.o): Likewise.
16535 * except.c (emit_eh_context): Don't emit USEs for stupid.
16536 * explow.c (probe_stack_range): Likewise.
16537 * flags.h (obey_regdecls): Remove.
16538 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16539 when not optimizing.
16540 (life_analysis): Limit data collection when not optimizing.
16541 (mark_regs_live_at_end): Always mark the return value registers.
16542 (mark_used_regs): Remove dummy RETURN case.
16543 (print_rtl_with_bb): Don't consult obey_regdecls.
16544 * function.c (use_variable, use_variable_after): Remove.
16545 (assign_parms): Consult optimize not obey_regdecls.
16546 (expand_function_start): Don't emit USEs for stupid.
16547 (expand_function_end): Likewise.
16548 * global.c (build_insn_chain): Export.
16549 * integrate.c (expand_inline_function): Kill return-value USE
16551 * jump.c (jump_optimize_1): Do simple jump optimizations and
16552 dead code elimination.
16553 (calculate_can_reach_end): Remove check_deleted argument.
16554 (delete_insn): Patch out insns even when not optimizing.
16555 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16556 * rtl.h (use_variable, use_variable_after): Remove declarations.
16557 (build_insn_chain): Declare.
16558 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16559 (expand_end_bindings): Likewise.
16560 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16561 * toplev.c (obey_regdecls): Remove.
16562 (rest_of_compilation): Don't set it. Kill stupid in favour of
16563 flow1, local-alloc, and reload.
16564 (main): Don't set obey_regdecls.
16566 * config/nextstep.c (handle_pragma): Likewise.
16568 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16570 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16572 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16574 * alpha-protos.h: PROTO -> PARAMS.
16575 * alpha.c: Likewise.
16577 * h8300.c: Likewise.
16578 * i386-protos.h: Likewise.
16579 * i386.c: Likewise.
16580 * m32r-protos.h: Likewise.
16581 * m32r.c: Likewise.
16582 * mips.c: Likewise.
16583 * mips.md: Likewise.
16584 * gmon-sol2.c: Likewise.
16585 * sparc.c: Likewise.
16587 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16589 * ns32k-protos.h: New file.
16591 * ns32k.c: Fix compile time warnings.
16593 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16596 * ns32k.md: Likewise.
16598 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16600 * vax-protos.h: New file.
16602 * vax.c: Fix compile time warnings.
16604 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16607 * vax.md: Likewise.
16609 * vaxv.md: Likewise.
16611 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16613 * romp-protos.h: New file.
16615 * romp.c: Fix compile time warnings.
16617 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16620 * romp.md: Likewise.
16622 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16624 * we32k-protos.h: New file.
16626 * we32k.c: Fix compile time warnings.
16628 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16631 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16633 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16635 * except.c (eh_regs): Likewise.
16637 * final.c (output_operand): Likewise.
16639 * fold-const.c (target_isinf, target_isnan): Likewise.
16641 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16643 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16644 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16646 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16647 when optimize_size.
16648 (clrstrsi): Rewrite.
16649 (strsethi, strsetqi): New expanders.
16650 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16651 (cmpstrsi): Emit compare insn before cmpstrsi_1
16652 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16653 (strlensi_1): Likewise.
16654 (cmpstrsi_1): Likewise; do not output compare.
16655 (strlen expander): Do not unroll when optimizing for size.
16656 (*subsi3_carry): Rename to subsi3_carry
16657 (addqi3_cc): New pattern.
16658 * i386.h (processor_costs): Add move_ratio field.
16659 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16660 * i386.c (*_cost): Set move_ratio.
16661 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16662 (x86_expand_strlensi_1): Rewrite the main loop.
16664 2000-01-17 Richard Henderson <rth@cygnus.com>
16666 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16667 * cse.c (find_comparison_args, fold_rtx): Likewise.
16668 * integrate.c (subst_constants): Likewise.
16669 * loop.c (get_condition): Likewise.
16671 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16673 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16675 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16677 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16678 (RESTORE_WARN_FLAGS): Unpack it.
16679 Change semantic type of extension to ttype.
16680 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16681 * c-parse.y, c-parse.c, objc/objc-parse.y,
16682 objc/objc-parse.c: Regenerate.
16684 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16686 * fixinc/fixlib.c: Add copyright notice.
16687 (compile_re): New function.
16688 * fixinc/fixlib.h: Prototype compile_re.
16690 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16691 Use compile_re to compile regular expressions.
16693 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16694 where the pattern matched.
16696 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16698 (ultrix_ansi_compat): Likewise.
16699 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16701 (interactv_add2, interactv_add3): Delete.
16702 (x11_sprintf): Don't use filename glob.
16703 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16706 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16708 * print-rtl.c: PROTO -> PARAMS.
16709 * real.c: Likewise.
16710 * reg-stack.c: Likewise.
16711 * resource.c: Likewise.
16712 * sdbout.h: Likewise.
16713 * simplify-rtx.c: Likewise.
16714 * stor-layout.c: Likewise.
16715 * stupid.c: Likewise.
16716 * xcoffout.c: Likewise.
16717 * xcoffout.h: Likewise.
16719 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16721 * toplev.c: PROTO -> PARAMS.
16722 * toplev.h: Likewise.
16723 * tree.c: Likewise.
16724 * tree.h: Likewise.
16725 * unroll.c: Likewise.
16726 * varasm.c: Likewise.
16727 * varray.c: Likewise.
16728 * varray.h: Likewise.
16730 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16732 * reload.c: PROTO -> PARAMS.
16733 * reload.h: Likewise.
16734 * reload1.c: Likewise.
16735 * reorg.c: Likewise.
16736 * resource.h: Likewise.
16739 * rtlanal.c: Likewise.
16740 * sbitmap.h: Likewise.
16741 * sdbout.c: Likewise.
16742 * stack.h: Likewise.
16743 * stmt.c: Likewise.
16744 * system.h: Likewise.
16746 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16748 * machmode.h: PROTO -> PARAMS.
16749 * mbchar.h: Likewise.
16750 * mips-tdump.c: Likewise.
16751 * mips-tfile.c: Likewise.
16752 * optabs.c: Likewise.
16753 * output.h: Likewise.
16754 * prefix.c: Likewise.
16755 * profile.c: Likewise.
16756 * protoize.c: Likewise.
16757 * real.h: Likewise.
16758 * recog.c: Likewise.
16759 * recog.h: Likewise.
16760 * regclass.c: Likewise.
16761 * regmove.c: Likewise.
16762 * regs.h: Likewise.
16764 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16766 * ggc-common.c: PROTO -> PARAMS.
16767 * ggc-page.c: Likewise.
16768 * ggc-simple.c: Likewise.
16770 * global.c: Likewise.
16771 * graph.c: Likewise.
16772 * gthr-win32.h: Likewise.
16773 * haifa-sched.c: Likewise.
16774 * halfpic.h: Likewise.
16775 * integrate.c: Likewise.
16776 * integrate.h: Likewise.
16777 * jump.c: Likewise.
16779 * local-alloc.c: Likewise.
16780 * loop.c: Likewise.
16781 * loop.h: Likewise.
16783 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16785 * genattr.c: PROTO -> PARAMS.
16786 * genattrtab.c: Likewise.
16787 * gencheck.c: Likewise.
16788 * gencodes.c: Likewise.
16789 * genconfig.c: Likewise.
16790 * genemit.c: Likewise.
16791 * genextract.c: Likewise.
16792 * genflags.c: Likewise.
16793 * gengenrtl.c: Likewise.
16794 * genopinit.c: Likewise.
16795 * genoutput.c: Likewise.
16796 * genpeep.c: Likewise.
16797 * genrecog.c: Likewise.
16799 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16801 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16803 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16805 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16806 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16807 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16808 * configure, config.in: Rebuilt.
16810 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16812 * config/i386/i386.md: Add peephole to merge successive stack
16815 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16817 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16818 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16819 when walking backwards to find all the parameter loads when
16820 the basic block ends in a call.
16822 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16824 * loop.c (this_loop_info): Delete.
16825 (uid_loop): Add in place of uid_loop_num. All uses updated.
16826 (loop_number_exit_count): Delete and replace with entry in loop
16827 structure. All uses updated.
16828 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16829 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16830 (loop_outer_loop): Likewise.
16831 (loop_invalid, loop_number_exit_labels): Likewise.
16832 (loop_used_count_register): Delete and replace with entry in
16833 loop_info structure.
16834 (find_and_verify_loops): Add loops argument.
16835 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16836 loop_end, etc. arguments with loop structure pointer. All callers
16838 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16839 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16840 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16841 (insert_bct): Likewise.
16842 (basic_induction_var): New argument level.
16843 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16844 vtop, and cont. Add used_count_register.
16845 (uid_loop): Delete declaration.
16846 (loop_number_exit_count): Likewise.
16847 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16848 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16849 (loop_outer_loop, loop_used_count_register): Likewise.
16850 (loop_invalid, loop_number_exit_labels): Likewise.
16851 (unroll_loop): Replace loop_start and loop_end arguments
16852 with loop structure pointer.
16853 (loop_precondition_p, loop_iterations): Likewise.
16854 Include basic-block.h.
16855 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16856 with loop structure pointer.
16857 (loop_precondition_p, loop_iterations): Likewise.
16858 * basic-block.h (struct loop): New entries vtop, cont,
16859 cont_dominator, start, end, top, scan_start, exit_labels,
16861 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16863 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16865 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16867 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16869 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16871 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16873 * pdp11-protos.h: New file.
16875 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16878 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16881 * pdp11.md: Likewise.
16883 * 2bsd.h: Likewise.
16885 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16887 * mn10300-protos.h: New file.
16889 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16892 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16895 * mn10300.md: Likewise.
16897 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16899 * mn10200-protos.h: New file.
16901 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16904 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16907 * mn10200.md: Likewise.
16909 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16911 * h8300-protos.h: New file.
16913 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
16916 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
16919 * h8300.md: Likewise.
16921 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16923 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
16924 (asm_emit_uninitialised): Likewise.
16926 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
16928 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
16929 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
16931 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16933 * config/mips/mips.c (override_options): Don't turn on extra
16934 alignment for mips16.
16936 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16938 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
16939 eabi, and make sure queued POSTINCREMENT rtl is emitted at
16942 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16944 * builtins.c (PAD_VARARGS_DOWN): Define.
16945 (std_expand_builtin_va_arg): Use the above macro.
16946 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
16947 * tm.texi (Register Arguments): Document the above macro.
16949 2000-01-14 Nick Clifton <nickc@cygnus.com>
16951 * emit-rtl.c (emit_insn): If checking is enabled, make sure
16952 that this function has not been used to emit a jump
16955 * jump.c (return_jump_1): Cope with being passed a null rtx.
16957 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16959 * eh-common.h: PROTO -> PARAMS.
16960 * emit-rtl.c: Likewise.
16961 * errors.c: Likewise.
16962 * errors.h: Likewise.
16963 * except.c: Likewise.
16964 * except.h: Likewise.
16965 * explow.c: Likewise.
16966 * expmed.c: Likewise.
16967 * expr.c: Likewise.
16968 * expr.h: Likewise.
16969 * final.c: Likewise.
16970 * fix-header.c: Likewise.
16971 * flow.c: Likewise.
16972 * fold-const.c: Likewise.
16973 * function.c: Likewise.
16974 * function.h: Likewise.
16976 * gcov-io.h: Likewise.
16977 * gcov.c: Likewise.
16978 * gcse.c: Likewise.
16980 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16982 * sh-protos.h: New file.
16984 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
16985 Add static prototypes. Fix compile time warnings.
16987 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
16991 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16993 * arc-protos.h: New file.
16995 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
16998 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17001 * arc.md: Likewise.
17003 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17005 * dsp16xx-protos.h: New file.
17007 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17010 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17013 * dsp16xx.md: Likewise.
17015 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17017 * convex-protos.h: New file.
17019 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17022 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17025 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17027 * elxsi-protos.h: New file.
17029 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17032 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17035 * elxsi.md: Likewise.
17037 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17039 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17040 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17041 match the comment for MIPS16.
17043 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17045 * flow.c (split_edge): Do not call set_block_for_insn if we
17046 do not have a basic_block_for_insn structure.
17048 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17049 and destination functions are 32bit aligned within the trampoline.
17050 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17051 (TRAMPOLINE_ALIGNMENT): Define.
17053 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17054 (set (pc) (label_ref)), verify the change creates a valid insn.
17056 * fr30.c (call_operand): Tighten and rework to match rules for
17057 call RTL expressions.
17058 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17059 * fr30.md (call patterns): Improve constraints.
17061 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17063 * fr30.c (fr30_expand_epilogue): Revert last change.
17064 Use emit_jump_insn for the return insn.
17066 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17067 Stan Cox <scox@cygnus.com>
17069 * predict.c: New file. Preliminary infrastructure work for static
17070 branch prediction and basic block reordering.
17071 * basic-block.h: Add prototype for estimate_probability.
17072 * Makefile.in: Add rules for predict.o.
17074 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17076 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17077 * fixinc/*: Likewise.
17079 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17081 * cccp.c: PROTO -> PARAMS.
17082 * cexp.y: Likewise.
17083 * collect2.c: Likewise.
17084 * combine.c: Likewise.
17085 * convert.h: Likewise.
17087 * dbxout.c: Likewise.
17088 * dbxout.h: Likewise.
17089 * diagnostic.c: Likewise.
17090 * doprint.c: Likewise.
17091 * dwarf2out.c: Likewise.
17092 * dwarf2out.h: Likewise.
17093 * dwarfout.c: Likewise.
17094 * dwarfout.h: Likewise.
17095 * dyn-string.h: Likewise.
17097 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17099 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17100 macro conditionals guarding use.
17102 * dwarf2out.c: Include "tm_p.h".
17104 * function.c (locate_and_pad_parm): Mark parameter with
17106 (expand_function_end): Likewise for variable `context'.
17108 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17110 2000-01-13 Nick Clifton <nickc@cygnus.com>
17112 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17113 register to prevent compile time warnings.
17115 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17117 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17118 to avoid -Wtraditional warning.
17120 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17122 * 1750a-protos.h: New file.
17124 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17127 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17130 * 1750a.md: Likewise.
17132 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17134 * a29k-protos.h: New file.
17136 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17139 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17142 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17144 * clipper-protos.h: New file.
17146 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17149 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17152 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17154 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17156 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17158 * configure.in (--enable-new-gxx-abi): New option.
17159 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17160 * Makefile.in (GXX_ABI_FLAG): New variable.
17161 * configure: Regenerate.
17163 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17165 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17166 * tm.texi (FORCE_STRUCT_BLK): Document.
17167 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17169 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17171 * config/ns32k/ns32k.md: Revert Jan 9 change.
17173 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17174 to a mode-test, if the predicate is address_operand.
17176 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17178 * combine.c (if_then_else_cond): Be careful about what kinds
17179 of RTL expressions are passed to operand_subword.
17181 * flow.c (split_edge): If we have to insert a new jump, make
17182 sure to associate it with a basic block.
17184 * flow.c (commit_one_edge_insertion): A block with one successor
17185 can end in a JUMP_INSN that is not a simplejump.
17187 2000-01-12 Robert Lipe <robertl@sco.com>
17189 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17190 (BUILD_VA_LIST_TYPE): Define.
17191 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17194 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17196 * cccp.c (do_pragma): Add cast to (char *).
17198 2000-01-12 Richard Henderson <rth@cygnus.com>
17199 Fred Fish <fnf@be.com>
17200 Jason Merrill <jason@cygnus.com>
17202 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17203 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17204 * i386/beos-elf.h, i386/beos-pe.h: New files.
17206 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17207 * cross-make (SYSTEM_HEADER_DIR): Define using
17208 CROSS_SYSTEM_HEADER_DIR.
17210 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17211 (process_command): Use it.
17212 (main): Likewise. Kill trailing = from env vars.
17213 (build_search_list): Put it back.
17214 * collect2.c (main): Use LIBRARY_PATH_ENV.
17216 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17217 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17219 * tm.texi (Frame Layout): Document SMALL_STACK.
17220 * c-common.c (c_common_nodes_and_builtins): Check it.
17222 * system.h: Undef alloca after including glibc's <stdlib.h>,
17223 if USE_C_ALLOCA is defined.
17225 * gcc.c (set_input): New fn.
17226 (main): After all input files are compiled, reset the input file
17229 * aclocal.m4 (rindex, index): If already defined, don't attempt
17232 * ginclude/varargs.h: (__va_list__): Define ifndef.
17233 * ginclude/stdarg.h: Likewise.
17235 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17236 instead of unsigned char.
17238 * hash.h (true, false, boolean): Undef before enum.
17240 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17241 proper type of "HOST_WIDE_INT *", rather than their natural type of
17242 "unsigned HOST_WIDE_INT *".
17244 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17246 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17248 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17250 * regclass.c (choose_hard_reg_mode): Likewise.
17252 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17254 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17256 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17258 * c-common.c: PROTO -> PARAMS.
17259 * c-common.h: Likewise.
17260 * c-decl.c: Likewise.
17261 * c-iterate.c: Likewise.
17262 * c-lang.c: Likewise.
17263 * c-lex.c: Likewise.
17264 * c-lex.h: Likewise.
17265 * c-parse.in: Likewise.
17266 * c-pragma.c: Likewise.
17267 * c-pragma.h: Likewise.
17268 * c-tree.h: Likewise.
17269 * c-typeck.c: Likewise.
17270 * objc/objc-act.c: Likewise.
17271 * objc/objc-act.h: Likewise.
17273 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17275 * m88k-protos.h: New file.
17277 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17280 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17282 * m88k.md: Likewise.
17284 * tekXD88.h: Likewise.
17286 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17288 * m68k-protos.h: New file.
17290 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17293 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17295 * mot3300.h: Likewise.
17297 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17299 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17301 (extract_bitlist): Declare bitlen.
17303 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17305 * cccp.c: Accept and ignore -lang-fortran.
17307 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17308 qualifiers don't match at any level of pointerness.
17310 2000-01-12 Robert Lipe <robertl@sco.com>
17312 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17314 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17316 * reload1.c (reload_reg_unavailable): New static variable.
17317 (reload_reg_free_p): Test it.
17318 (reload_reg_free_for_value_p): Test it instead of
17320 (choose_reload_regs_init): Compute it.
17322 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17324 * reorg.c (fill_slots_from_thread): Check modified_in_p
17327 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17329 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17330 these nodes even if INTERNALS is not set.
17332 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17334 * gcse.c (delete_null_pointer_checks_1): Cope when
17335 get_condition cannot determine the condition.
17337 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17339 * toplev.h (set_message_length): Declare.
17341 * diagnostic.c (obstack_chunk_alloc): Define macro.
17342 (obstack_chunk_free): Likewise.
17343 (struct output_buffer): New data structure.
17344 (vmessage): Remove.
17345 (output_maximum_width): New variable.
17346 (doing_line_wrapping, set_message_length, init_output_buffer,
17347 get_output_prefix, output_space_left, emit_output_prefix,
17348 output_newline, output_append, output_puts, dump_output,
17349 vbuild_message_string, build_message_string, build_location_prefix,
17350 voutput_notice, output_printf, line_wrapper_printf,
17351 vline_wrapper_message_with_location): New functions. Implement
17352 automatic line wrapping.
17353 (v_message_with_decl): Make it handle automatic line wrapping.
17354 (v_error_with_file_and_line): Likewise.
17355 (v_warning_with_file_and_line): Likewise.
17356 (announce_function): Likewise.
17357 (default_print_error_function): Likewise.
17359 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17361 * cpplib.h (struct cpp_options): Change lang_asm to char.
17363 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17364 done in cpp_handle_option now.
17365 (initialize_builtins): Take out special case code used only by
17367 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17368 if -traditional. Recognize -lang-fortran and set
17369 lang_fortran, also turn off cplusplus_comments.
17370 (print_help): Document -lang-fortran.
17371 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17372 lang_asm. Ignore all directives other than `# 123 "file"' if
17374 (cpp_get_token): If -traditional, don't recognize directives
17375 unless the # is in column 1.
17376 (parse_string): If lang_fortran or lang_asm, silently
17377 terminate strings ('' or "") at end of line.
17378 Remove unnecessary braces.
17380 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17381 Richard Henderson <rth@cygnus.com>
17383 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17385 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17386 strict_low_part when possible.
17388 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17390 * alias.c: PROTO -> PARAMS.
17391 * basic-block.h: Likewise.
17392 * bitmap.c: Likewise.
17393 * bitmap.h: Likewise.
17394 * builtins.c: Likewise.
17395 * c-aux-info.c: Likewise.
17396 * caller-save.c: Likewise.
17397 * calls.c: Likewise.
17399 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17401 * Makefile.in (toplev.o): Depend on regs.h.
17403 * output.h (tdesc_section): Prototype.
17405 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17407 * sdbout.c: Include "tm_p.h".
17409 * toplev.c: Include "regs.h".
17411 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17413 * unroll.c (unroll_loop): Add EH support.
17415 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17417 * pa-protos.h: New file.
17419 * pa.c: Include recog.h and tm_p.h.
17420 (compute_zdepwi_operands, compute_movstrsi_length,
17421 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17422 find_addr_reg, import_milli): Add static prototypes.
17423 (pa_cpu_string, pa_arch_string): Constify a char*.
17424 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17425 (read_only_operand): Add argument `mode'.
17426 (singlemove_string, output_move_double, output_fp_move_double,
17427 output_block_move, output_and, output_ior, output_ascii,
17428 remove_useless_addtr_insns, milli_names, output_mul_insn,
17429 output_div_insn, output_mod_insn, output_arg_descriptor,
17430 output_cbranch, output_bb, output_bvb, output_dbra, ,
17431 output_millicode_call, output_call, hppa_encode_label,
17432 output_parallel_movb, output_parallel_addb): Constify a char*.
17433 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17434 (output_parallel_addb): Remove extra arg to `constrain_operands'
17436 * pa.h: Move all prototypes to pa-protos.h.
17437 (pa_cpu_string, pa_arch_string): Constify a char*.
17438 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17440 * pa.md: Call `function_label_operand' with mode argument.
17441 Likewise for `read_only_operand'.
17442 Fix nesting of parens in call to `symbolic_operand'.
17444 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17446 * i860-protos.h: New file.
17448 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17451 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17453 * i860.md: Likewise.
17455 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17457 * i386.md (movstrsi expander): Rewrite.
17458 (movstrsi_1 insn): Deleted.
17459 (strmovhi, strmovqi expander): New expanders.
17460 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17461 * i386.c (x86_single_stringop): New global variable.
17462 * i386.h (x86_single_stringop): Declare.
17463 (TARGET_SINGLE_STRINGOP): New macro.
17465 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17467 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17468 integer vararg POSTINCREMENT before the destination of the jump
17469 for the hard fp case.
17470 (function_arg_pass_by_reference): Pass a copy of CUM to
17473 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17474 for CONSTANT_ADDRESS_P above while loop for subreg.
17476 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17478 * flow.c (propagate_block): When a prologue/epilogue insn
17479 is marked dead, unconditionally clear libcall_is_dead and
17480 insn_is_dead, and only dump rtl if warnings aren't being
17483 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17485 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17486 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17487 (FIXED_REGISTERS): Set dirflag as fixed.
17488 (CALL_USED_REGISTERS): Set dirflag as used.
17489 (REG_ALLOC_ORDER): Set dirflag as last one.
17490 (DIRFLAG_REG): New macro.
17491 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17492 (HI_REGISTER_NAMES): Add dirflag.
17493 (DEBUF_PRINT_REG): Handle dirflag.
17494 * i386.md (type attribute): New cld and str types.
17495 (length_opcode attribute): Set cld and str to 1.
17496 (memory attribute): Set str to unknown - it is not clear from the
17498 (pent_np function unit): Prefixed string operations takes 12 cycles
17499 minimally; cld takes 2 cycles.
17500 (ppro_uops attribute): Str is "many" and cld is "few".
17501 (ppro_p0 unit): Handle cld here.
17502 (k6_alux unit): Handle cld and str types.
17503 (k6_load unit): It is ocupied by str opcodes.
17504 (k6_store unit): It is ocupied by str opcodes.
17505 (athlon_decode): Str is vector decoded.
17506 (athlon_ieu): Handle str and cld.
17507 (cld pattern): New.
17508 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17509 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17510 cmpstrsi_nz_1 insn): Do not output cld instruction
17512 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17514 * gcc.texi (G++ and GCC): Add Java and Chill.
17515 (Bug Critera): Don't list languages.
17517 * gcc.texi (Incompatibilities): No longer claim most C compilers
17520 * gcc.texi (G++ and GCC): Update other front-ends list.
17522 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17524 * i386.c (ix86_expand_setcc): Fix typo.
17525 (ix86_expand_movcc): Similarly.
17527 * Band-aid until haifa's bitset implementation is nuked.
17528 * haifa-sched.c (extract_bitlst): New parameter for size of the
17529 bitset in bits. All callers changed. Avoid looking at undefined
17530 bits in the bitset.
17531 (edgeset_bitsize): New variable.
17532 (schedule_region): Initialize edgeset_bitsize.
17534 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17536 * Makefile.in (optabs.o): Depend on real.h
17537 (resource.o): Depend on insn-attr.h
17539 * builtins.c (result_vector): Wrap prototype in macro conditions
17540 governing definition and use.
17542 * c-common.c: Include tm_p.h.
17544 * c-lex.c: Likewise.
17546 * elfos.h: Constify a char*.
17548 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17549 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17550 parameter with ATTRIBUTE_UNUSED.
17552 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17555 * haifa-sched.c (schedule_insns): Mark parameter with
17558 * optabs.c: Include real.h.
17560 * real.h (ereal_atof): Add prototype arguments.
17562 * resource.c: Include insn-attr.h.
17564 * sdbout.c (sdbout_queue_anonymous_type,
17565 sdbout_dequeue_anonymous_types): Wrap in macro
17566 SDB_ALLOW_FORWARD_REFERENCES.
17567 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17570 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17572 * stupid.c: Include tm_p.h.
17574 * tree.c (real_value_from_int_cst): Mark parameter with
17577 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17579 * i960-protos.h: New file.
17581 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17584 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17586 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17588 * combine.c (expand_field_assignment): Do not discard SUBREGs
17589 while computing nonzero_bits.
17591 2000-01-09 Nick Clifton <nickc@cygnus.com>
17593 * config/arm/arm.c: Fix compile time warnings about signed vs
17594 unsigned constants.
17595 * config/arm/arm.h: Fix compile time warnings about signed vs
17596 unsigned constants.
17598 2000-01-09 Philip Blundell <philb@gnu.org>
17600 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17601 than `ldm' with only one register.
17602 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17605 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17608 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17610 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17613 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17615 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17616 assignment used as truth value.
17618 * function.c (assign_temp): Mark parameter `dont_promote' with
17619 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17620 PROMOTE_FOR_CALL_ONLY.
17622 * genrecog.c (write_subroutine): Mark variable `operands' with
17625 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17628 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17629 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17631 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17634 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17636 * config/c4x.h: Tidy up comments.
17637 * config/c4x.c: Likewise.
17639 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17641 * fold-const.c (lshift_double, rshift_double): Handle
17642 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17644 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17646 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17647 in prepare_function_start().
17649 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17651 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17652 longer allocate extra stack for function calls.
17654 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17656 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17658 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17660 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17662 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17664 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17665 * aix43.h: Revert Aug 2 change.
17666 (HAS_INIT_SECTION): Define, not visible yet.
17667 (LD_INIT_SWITCH): Define, not visible yet.
17668 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17670 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17672 * collect2.c (main): Expand ld2 size further.
17673 (export_object_lst): Cast assignment to avoid warning.
17674 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17675 (scan_prog_file, COFF): Do not collect initialization or
17676 finalization functions generated for entire shared object if
17677 init/fini support present.
17679 2000-01-07 Nick Clifton <nickc@cygnus.com>
17681 * config/elfos.h: Tidy up formatting of marcos. Make sure
17682 that .section directives are always prefixed by a tab.
17684 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17687 2000-01-07 Matt Austern <austern@sgi.com>
17689 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17692 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17694 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17696 (crtbegin.o, s-crtS): Likewise.
17698 2000-01-06 Richard Henderson <rth@cygnus.com>
17700 * alpha.md (adddi_2+1): Limit offset such that it will be
17701 loadable with a single ldah+lda pair.
17702 (adddi_2+2): Explicitly fail split if we can't make it work.
17704 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17706 * protoize.c: Conditionally include unistd.h.
17707 (IS_SAME_PATH_CHAR): New macro.
17708 (IS_SAME_PATH): New macro.
17709 (CPLUS_FILE_SUFFIX): New macro.
17710 (cplus_suffix): New static variable.
17711 (is_abspath): New static function.
17712 (in_system_include_dir): Handle DOS style pathnames.
17713 (file_could_be_converted): Likewise.
17714 (file_normally_convertible): Likewise.
17715 (directory_specified_p): Likewise.
17716 (file_excluded_p): Likewise.
17717 (abspath): Likewise.
17718 (shortpath): Likewise.
17719 (referenced_file_is_newer): Likewise.
17720 (save_def_or_dec): Likewise.
17721 (do_processing): Likewise.
17723 (edit_file): Likewise. Use rename instead of link.
17724 (rename_c_file): Likewise. Don't rename syscalls file.
17725 (munge_compile_params): Define null device for DOS based systems.
17726 (process_aux_info_file): Use binary mode if appliable.
17727 (edit_file): Likewise.
17728 * invoke.texi (Running Protoize): Document C++ suffixes used.
17730 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17731 IS_DIR_SEPARATOR macros.
17732 * collect2.c: Likewise.
17733 * cppinit.c: Likewise.
17734 * dwarf2out.c: Likewise.
17736 * gcov.c: Likewise.
17737 * prefix.c: Likewise.
17739 * toplev.c: Likewise.
17740 * system.h: And move to here.
17742 * prefix.c (update_path): Fix typo in variable name.
17744 2000-01-06 Richard Henderson <rth@cygnus.com>
17746 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17747 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17748 (count_reg_sets_1, count_reg_references): Likewise.
17749 (flow_loops_level_compute): Start counting actual loop depth at 1.
17750 (flow_loops_find): Likewise.
17751 * local-alloc.c (update_equiv_regs): Likewise.
17752 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17754 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17756 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17757 FIRST_PSEUDO_REGISTER
17758 * dwarf2out.c: Don't include frame.h
17759 * dwarfout.c: Likewise
17760 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17763 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17765 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17768 * i386.c (movsf splitter): Fix typo in my last checkin.
17770 2000-01-05 Nick Clifton <nickc@cygnus.com>
17772 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17773 own definition of this macro.
17774 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17775 flag_data_sections or UNIQUE_SECTION_P are true.
17777 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17778 unitialised data decls.
17780 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17781 being called for uninitialised data.
17783 * config/i386/interix.c (i386_pe_unique_section): Cope with
17784 being called for uninitialised data.
17786 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17787 for uninitialised data.
17789 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17790 for uninitialised data.
17792 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17793 for uninitialised data.
17795 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17796 (UNIQUE_SECTION_P): Always generate a unique section if
17797 flag_data_sections is true.
17798 (UNIQUE_SECTION): Also generate unique sections for
17799 uninitialised data.
17800 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17801 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17804 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17806 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17809 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17811 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17812 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17813 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17814 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17815 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17817 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17819 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17821 * c-decl.c (finish_enum): Simplify code to determine minimum and
17822 maximum values of the enum, and calculate the type. Remove check
17823 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17824 the DECL_INITIAL of each enumeration constant with a copy converted
17825 to the enumeration type. When updating variant types, don't bother
17826 updating the type itself.
17828 * c-typeck.c (build_binary_op): Simplify conditional expressions
17829 when weeding out spurious signed-unsigned warnings. Add new
17830 spurious warning category: if the unsigned quantity is an enum
17831 and its maximum value fits in signed_type(result_type). Update
17833 (build_conditional_expr): Warn here if one alternative is signed
17834 and the other is unsigned.
17836 2000-01-05 Nick Clifton <nickc@cygnus.com>
17838 * config/fr30/fr30.h: Remove extraneous comments.
17840 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17842 * reload1.c (choose_reload_regs): When disabling a reload, also
17843 set reload_spill_index to -1.
17845 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17847 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17849 (m68*-*-rtemself*): New target.
17850 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17851 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17852 (sparc*-*-rtemself*): New target.
17853 (sparc*-*-rtems*): Now elf not a.out.
17854 * config/i386/rtems.h: Include config/rtems.h.
17855 * config/i386/rtemself.h: Include config/rtems.h.
17856 * config/i960/rtems.h: Include config/rtems.h.
17857 * config/m68k/rtems.h: Include config/rtems.h.
17858 * config/m68k/rtemself.h: Include config/rtems.h.
17859 * config/mips/rtems64.h: Include config/rtems.h.
17860 * config/pa/rtems.h: Include config/rtems.h.
17861 * config/rs6000/rtems.h: Include config/rtems.h.
17862 * config/sh/rtems.h: Include config/rtems.h.
17863 * config/sh/rtemself.h: Include config/rtems.h.
17864 * config/sparc/rtems.h: Include config/rtems.h.
17865 * config/sparc/rtemself.h: Include config/rtems.h
17867 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17869 * final.c (shorten_branches): Correctly compute length of
17870 asms without operands.
17872 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17874 * configure.in: Add pj target.
17875 * configure: Regenerate.
17876 * config/pj: New directory.
17877 * config/pj/lib1funcs.S: New file.
17878 * config/pj/linux.h: New file.
17879 * config/pj/pj.c: New file.
17880 * config/pj/pj.md: New file.
17881 * config/pj/pjl.h: New file.
17882 * config/pj/t-pj: New file.
17883 * config/pj/xm-pj.h: New file
17885 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17887 * toplev.c (rest_of_compilation): Run shorten-branches before
17890 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17892 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17893 macros so that they're consistent with their names.
17894 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17895 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17897 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17899 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17900 modified inadvertently.
17902 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17904 * configure.in (v850*-*-rtems*): New target.
17905 * configure: Regenerate.
17906 * config/v850/rtems.h: New file.
17908 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17910 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17911 (__gthread_key_create): Likewise.
17912 (__gthread_key_dtor): Likewise.
17913 (__gthread_once): Fix logic.
17914 (__gthread_key_delete): Cast away constness.
17916 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
17917 * invoke.texi: Document.
17918 * i386/mingw32.h (CPP_SPEC): Use.
17919 (LIBGCC_SPEC): Likewise.
17920 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
17922 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17924 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
17925 (HANDLE_PRAGMA_PACK): Undefine.
17926 (SLOW_UNALIGNED_ACCESS): Define.
17928 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17930 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17931 to default definition.
17932 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
17933 (store_fixed_bit_field): Call macro with word_mode and alignment.
17934 (extract_bit_field): Call macro with relevant mode and alignment.
17935 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17936 to default definition.
17937 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
17939 (move_by_pieces_ninsns): Likewise.
17940 (clear_by_pieces): Likewise.
17941 (emit_push_insn): Likewise.
17942 (store_field): Call macro with relevant mode and alignment.
17943 (expand_expr): Likewise.
17944 (expand_expr_unaligned): Likewise.
17946 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
17947 (SLOW_UNALIGNED_ACCESS): Define.
17948 (CASE_VECTOR_MODE): Always use 32-bit offsets.
17949 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
17950 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
17951 (toc_section): Likewise and .toc pseudo-op.
17952 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
17954 (TEXT_SECTION_ASM_OP): Likewise.
17955 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
17958 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
17959 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
17960 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
17961 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
17962 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
17964 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
17966 * regclass.c: Revert my Jan 4 change to loop cost computation.
17968 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17970 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
17973 2000-01-04 Stan Cox <scox@cygnus.com>
17975 * haifa-sched.c (build_control_flow): Change unreachable simple
17976 loop test to check if current block has only one predecessor.
17977 (find_rgns): Initialize degree. Use dest as degree index, not src.
17979 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17981 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
17983 * calls.c (expand_call): Likewise for
17984 `old_stack_arg_under_construction'.
17986 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
17988 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
17991 * gcc.c (execute): Likewise for `ut' and `st'.
17993 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
17995 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
17997 * jump.c (jump_optimize_1): Likewise for `temp2'.
17999 * local-alloc.c (block_alloc): Likewise for `r1'.
18001 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18003 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18004 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18006 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18009 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18010 and `goal_earlyclobber'.
18012 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18014 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18016 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18018 * unroll.c (copy_loop_body): Likewise for `copy'.
18020 * varasm.c (output_constructor): Likewise for `byte'.
18022 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18024 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18025 all FP constants for constant->reg moves.
18026 (ix86_split_to_parts): Try to convert memory address into immediate
18027 when available in the constant pool.
18028 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18030 (LEGITIMATE_CONSTANT_P): Return 1.
18031 * i386.md (pushsf): New splitter to convert constant pool memory
18032 reference to immediate.
18033 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18036 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18038 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18039 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18040 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18041 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18042 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18044 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18046 * ginclude/stdbool.h: Support compilation as C++.
18048 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18050 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18052 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18054 * regclass.c (regclass): Properly compute loop_cost. Adjust
18057 * regclass.c: Fix minor whitespace problems.
18059 2000-01-03 Anthony Green <green@cygnus.com>
18061 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18062 Restore the pic register if required.
18064 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18066 * c-common.c (format_char_info): Update comment.
18067 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18068 was recognized. Emit warning for formats new in ISO C99 only
18069 if flag_isoc9x is not set.
18071 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18073 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18075 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18077 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18078 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18079 (make_compound_operation): Choose cheaper alternative between
18080 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18082 * regclass.c (op_costs): Remove global variable.
18083 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18084 (record_operand_costs): Break out from ...
18085 (scan_one_insn): ... here.
18086 (dump_regclass): Make dumps nicer.
18087 (regclass): Dump preferrences choosed and changes done during passes.
18089 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18091 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18093 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18095 * config/sparc/sparc.c (gen_df_reg): New function.
18096 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18097 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18098 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18099 movtf_cc_reg_sp64+1): Use it.
18101 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18103 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18104 copied LABEL_DECLs.
18106 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18108 * config/i386/i386.c (ix86_expand_unary_operator): Function
18109 definition made void.
18110 (ix86_expand_binary_operator): Update outdated preceding comment.
18111 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18114 * config/i386/i386.c (override_options): Fix option-name typo.
18116 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18118 * system.h (CEIL): Define.
18119 * builtins.c (CEIL): Remove.
18120 * expmed.c (CEIL): Likewise.
18121 * expr.c (CEIL): Likewise.
18122 * stor-layout.c (CEIL): Likewise.
18124 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18126 * expr.c (store_constructor_field): Fix typo introduced with last
18129 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18131 * tree.h (BINFO_N_BASETYPES): New macro.
18133 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18135 * expmed.c (emit_store_flag): Prevent losing a pending stack
18136 adjust the same way we prevent losing queued increments.
18138 See ChangeLog.2 for earlier changes.