1 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
5 2000-07-16 Neil Booth <NeilB@earthling.net>
7 * cpplex.c: Update comments.
8 * README.Portability: Small update.
10 2000-07-16 Neil Booth <NeilB@earthling.net>
12 * README.Portability: Small update.
14 2000-07-15 Richard Henderson <rth@cygnus.com>
16 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
17 * config/ia64/ia64.c (ia64_move_ok): New function.
18 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
19 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
21 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
23 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
24 immediately following a paste operator.
25 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
26 (cpp_reader_init): Call it, if HOST_EBCDIC.
27 (cpp_handle_options): Do not sort option list here.
28 (handle_option): Rename to cpp_handle_option and export.
29 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
30 _cpp_get_token directly.
31 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
32 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
33 * cpplib.h: Prototype cpp_handle_option. Update prototype of
36 2000-07-15 Richard Henderson <rth@cygnus.com>
38 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
39 cast around an expression. Tidy other unsigned tests.
41 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
43 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
44 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
45 (v_message_with_decl): Rename to ...
46 (format_with_decl): ... this. Tweak
47 (diagnostic_for_decl): New function.
48 (fatal_io_error): Use verbatim in lieu of notice.
49 (announce_function): Use verbatim.
50 (default_print_error_function): Likewise.
51 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
54 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
56 * mips.c (function_arg_pass_by_reference): Don't do automatic
57 aggregate initialization.
58 (machine_dependent_reorg): Initialize variable `mode'.
60 * mips.md (absdi2): Change variable `regno1' to unsigned int.
61 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
62 conflicts with sys/param.h macro of the same name.
63 (reload_outdi): Likewise.
65 2000-07-15 Michael Meissner <meissner@redhat.com>
67 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
68 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
69 create a new node instead.
71 2000-07-15 Neil Booth <NeilB@earthling.net>
73 * README.Portability: Correct example about calling a function
74 through a pointer to function. Format wide paragraphs.
76 2000-07-15 Michael Meissner <meissner@redhat.com>
78 * README.Portability: Update integer suffixes and function
81 2000-07-15 Neil Booth <NeilB@earthling.net>
83 * README.Portability: Small update.
85 2000-07-15 Neil Booth <NeilB@earthling.net>
87 * README.Portability: New file.
89 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
91 * INSTALL: Give special instructions for building GCC on Irix 6.
92 * config/mips/x-iris6 (CC): Don't set it.
95 2000-07-14 Jason Merrill <jason@redhat.com>
97 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
98 register in the stack and later in another register, use the new
101 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
103 * config/mips/mips.md: (absdi2): Handle sign_extend for
106 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
108 * cpplib.c (do_pragma_dependency): Tidy warning messages.
110 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
112 * .cvsignore: Correct typo.
114 2000-07-13 Mark Mitchell <mark@codesourcery.com>
116 * .cvsignore: Add generated YACC files.
117 * objc/.cvsignore: New file.
119 2000-07-14 Neil Booth <NeilB@earthling.net>
121 * cpplex.c (adjust_column): New funcion.
122 (skip_whitespace): Use it.
123 (skip_block_comment): Use it, and warn about /*/* with
126 2000-07-14 Neil Booth <NeilB@earthling.net>
128 * cpphash.c (struct macro_info): Add new members.
129 (_cpp_free_definition): Delete the macro directly.
130 (count_params): Return void, with first token of
131 expansion in struct macro_info on success.
132 (parse_define): Return int. Hoist syntax checking from
133 save_macro_expansion. Leave call to save_expansion to
134 _cpp_create_definition.
135 (alloc_macro): Needs just 2 arguments.
136 (free_macro): Delete.
137 (save_expansion): Don't perform syntax check.
138 (_cpp_create_definition): Call save_expansion.
140 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
142 * genrecog.c (write_header): Split long string.
144 * cpphash.c (macro_info): Don't use the `signed' keyword.
146 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
148 2000-07-13 Jakub Jelinek <jakub@redhat.com>
150 * calls.c (stored_args_map): New variable.
151 (check_sibcall_argument_overlap_1): New.
152 (check_sibcall_argument_overlap): New.
153 (expand_call): Initialize stored_args_map.
154 Call check_sibcall_argument_overlap.
156 2000-07-13 Bruce Korb <bkorb@gnu.org>
158 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
159 (emit_gnu_type): utility procedure for gnu_type_fix
160 (gnu_type_fix): implement various pre-processor guards around
161 standard types so these types can be defined over and over
162 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
163 types alluded to above will have GNU-compliant base types
164 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
165 * fixinc/inclhack.def: add test_text entries and utilize the new
166 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
167 * fixinc/fixincl.x: regenerate
169 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
171 * diagnostic.c (vline_wrapper_message_with_location,
172 v_message_with_file_and_line, v_error_with_file_and_file,
173 v_error_for_asm, v_warning_for_asm, vfatal,
174 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
175 vsorry, verror, vwarning, vpedwarn): Remove.
176 (diagnostic_for_asm): New function.
177 (pedwarn, error, warning, pedwarn_with_file_and_line,
178 error_with_file_and_line, warning_with_file_and_line, sorry,
179 error_for_asm, warning_for_asm, fatal): Reimplement.
180 (finish_diagnostic): Clear diagnostic info as well.
182 2000-07-13 Neil Booth <NeilB@earthling.net>
184 * c-common.h (flag_digraphs): New.
185 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
186 * c-lex.c (yylex): Use flag_digraphs to decide whether to
189 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
191 * gcc.c (do_spec_1): Add new %B operator.
192 (set_input): Prepare for %B.
194 (link_command_spec): Move up with the other tm.h-
195 overrideable specs. Factor out the portion conditional on
196 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
197 (struct compiler): Just have a single spec string. All users
199 (default_compilers): Remove unnecessary braces.
200 (static_specs): Update.
202 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
204 (C and assembly specs): Use the new named specs, as appropriate.
206 * objc/lang-specs.h: Use the new named specs.
207 Remove unnecessary braces.
209 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
211 * gcc.c (execute): If a subprocess gets a fatal signal, report
212 strsignal() of the signal number, and ask for a bug report.
213 Do not do this for SIGPIPE if there's already been an error.
215 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
220 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
222 * final.c (profile_function): Do not emit profile counters in
223 the data section, if NO_PROFILE_COUNTERS is defined.
224 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
227 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
228 (FUNCTION_PROFILER): Just emit a call to mcount.
230 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
232 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
234 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
235 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
236 traditional, lang_chill, or lang_fortran.
238 * cppfiles.c: #undef strcmp to suppress warning about macros
239 used without arguments.
240 (_cpp_execute_include): Use f, not fname, in "No include path"
242 (_cpp_pop_file_buffer): New function.
243 * cpplib.c: Don't include <sys/mman.h>.
244 (cpp_push_buffer): Set line_base and lineno in new buffer.
245 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
247 * cpplex.c: Move all prototypes and structure declarations to the
248 top of the file. Properly parenthesise some macro arguments.
249 (cpp_scan_line): New function.
250 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
251 don't need to walk up the stack counting.
253 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
255 * c-common.c (combine_strings): Emit a pedantic warning when a
256 string length is greater than the minimum ANSI C is required
259 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
261 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
262 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
264 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
266 * c-decl.c (define_label): Warn about identifier conflicts with
267 labels in traditional C.
269 * c-parse.in (unop +): Warn about the unary plus operator for
272 * c-typeck.c (store_init_value): Warn about automatic aggregate
273 initialization for traditional C.
275 * invoke.texi (-Wtraditional): Document new warnings.
277 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
279 * Makefile.in (c-errors.o): Fix thinko in dependency.
281 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
283 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
284 -traditional, -ftraditional, or -traditional-cpp was given.
285 Do not pass -traditional to the preprocessor.
286 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
287 preprocessor does it automatically.
288 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
290 * ch/lang-specs.h: Always use tradcpp. Do not pass
291 -traditional, -trigraphs, or -pedantic to the preprocessor.
292 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
295 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
297 * cppexp.c (LOGICAL): Delete macro.
298 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
301 * cpphash.c (HASHSIZE): Increase to 4096.
302 (struct hashdummy): Add hash field.
303 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
304 the string values using memcmp.
305 (cpp_lookup): Set dummy.hash.
307 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
309 * configure.in (m88k-openbsd): Express configuration using new fragment
311 * configure: Rebuilt.
312 * m88k/aout-dbx.h: New.
313 * m88k/openbsd.h: New.
314 * m88k/xm-openbsd.h: New.
316 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
318 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
320 2000-07-12 Richard Henderson <rth@cygnus.com>
322 * reload.c (push_secondary_reload): Make sure to add the new
323 reload at the end, after acquiring secondary memory.
325 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
327 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
329 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
330 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
332 * c-parse.in (stmt): Delete unused variables.
334 * convert.c (convert_to_vector): Likewise.
336 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
338 * tree.c (finish_vector_type): Prototype.
340 2000-07-12 Bruce Korb <bkorb@gnu.org>
342 * fixinc/fixfixes.c: use xmalloc
343 * fixinc/fixincl.c(initialize): set program name for xmalloc
344 * fixinc/fixlib.c(must_malloc): obsolete
345 (is_cxx_header): no longer used - disabled
346 (skip_quote): inserted and disabled for future use
347 * fixinc/fixlib.h: reflects above
348 * fixinc/fixtests.c: removed dinkleberries
350 2000-07-12 Neil Booth <NeilB@earthling.net>
352 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
353 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
355 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
356 struct toklist_dummy): New.
357 (cpp_free_definition): Free macros with free_macro.
358 (count_params): Don't save paramter spellings. Save macro
359 information in a struct macro_info.
360 (parse_define): Don't allocate a token list.
361 (save_expansion): Allocate the macro's token list, and
362 save parameter spellings if necessary. Use TOKEN_SPELL.
363 (cpp_create_definition): Make list const.
365 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
367 * c-typeck.c (pedwarn_c99): Move to
368 * c-errors.c: ... Here.
369 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
370 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
371 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
372 (c-errors.o): List dependency.
374 2000-07-12 Mark Mitchell <mark@codesourcery.com>
377 * c-parse.h: Likewise.
378 * c-parse.y: Likewise.
379 * objc/objc-parse.c: Likewise.
380 * objc/objc-pasre.y: Likewise.
382 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
384 * gcc.texi: Fix minor typos
385 * extend.texi: Fix minor typos
387 2000-07-11 Marc Espie <espie@openbsd.org>
389 * collect2.c (main): Recognize .lo as object files.
391 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
393 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
396 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
397 with MAP_ANONYMOUS and MAP_ANON.
398 * configure, config.in: Rebuilt.
400 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
402 * diagnostic.c (save_output_state): Remove.
403 (restore_output_state): Likewise.
404 (clear_text_info): New function.
405 (clear_diagnostic_info): Likewise.
406 (output_text_length, is_starting_newline, output_prefix,
407 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
408 prefixing_policy, output_buffer_ptr_to_format_args): New macros
409 (set_real_maximum_length, output_set_maximum_length,
410 output_set_prefix, output_get_prefix, output_set_maximum_length,
411 output_destroy_prefix, init_output_buffer,
412 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
413 output_add_newline, output_add_character, output_add_space,
414 output_append_r, output_append, wrap_text, output_format,
415 output_do_printf, output_printf, output_do_verbatim,
416 output_verbatim, verbatim): Use them.
417 (output_clear): Split into cleat_text_info and
418 clear_diagnostic_info.
419 (struct output_state): Move to...
421 * diagnostic.h: ...Here
422 (struct output_buffer): Adjust.
424 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
426 * cpplex.c (parse_name): No longer inline (premature optimization).
427 (do_pop_context): Fold into pop_context.
428 (pop_context): Returns int.
429 (lex_next): Hoist test for end of directive into pop_context.
430 (push_macro_context): Returns int; takes just reader and token.
431 Hoist test for excessive nesting to caller.
432 (push_arg_context): Returns void; takes just reader and token.
433 Do not call stringify_arg or get_raw_token.
434 (get_raw_token): Convert tail recursion through push_arg_context
435 to a loop at this level. Call stringify_arg here if appropriate.
436 (maybe_paste_with_next): Convert tail recursion to a while loop.
437 Hoist test of paste_level to caller.
439 (stringify_arg): Push arg context at beginning.
440 (cpp_get_token): Split out core into _cpp_get_token. Call
441 process_directive here. Throw away CPP_PLACEMARKER tokens.
442 (_cpp_get_token): Convert tail recursion through
443 push_macro_context to a loop at this level.
444 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
445 _cpp_get_raw_token): Use _cpp_get_token.
446 (_cpp_skip_rest_of_line): Drop the context stack directly; do
447 not call pop_context.
448 (_cpp_run_directive): Call lex_next directly.
450 * cpphash.h: Prototype _cpp_get_token.
451 * cppexp.c (lex): Use it.
452 * cpphash.c (parse_define): Use it.
453 * cpplib.c (get_define_node, do_undef, parse_include,
454 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
455 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
456 parse_ifdef, validate_else): Use it.
457 (cpp_push_buffer): Tweak error message; abort if anyone tries
458 to push a buffer while macro expansions are stacked.
460 2000-07-11 Donn Terry <donnte@microsoft.com>
462 * cpplex.c (free_macro_args, save_token): Cast arg of free
463 and/or xrealloc to PTR.
464 (_cpp_init_input_buffer): Clear all fields of the base context.
466 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
468 * gensupport.c (process_rtx): Make rtl checking stop
469 complaining about the define_insn while it is being
470 converted from a define_insn_and_split.
472 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
474 * config/mips/mips.c (simple_memory_operand): Access the
475 INTVAL of the address, not it's containing MEM.
477 2000-07-11 Bruce Korb <bkorb@gnu.org>
479 * fixinc/fixtests.c(double_slash): obsolete
480 (else_endif_label): likewise
481 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
482 (libc1_ifdefd_memx): correct initial comment
483 and omit the #if/#endif pair from the memxxx declarations
484 * fixinc/fixincl.x: regen
486 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
488 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
490 2000-07-11 Neil Booth <NeilB@earthling.net>
494 2000-07-11 Neil Booth <NeilB@earthling.net>
496 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
497 (handle_option): Set digraphs according to standard.
498 Merge OPT_lang_c89 handler with OPT_std_c89.
500 * cpplex.c: (lex_line, can_paste): Honour digraphs in
501 accordance with the digraphs flag.
503 * cpplib.h: (struct cpp_options): New option digraphs.
505 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
506 Bruce Korb <bkorb@gnu.org>
508 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
509 * fixinc/fixincl.x: Regenerate.
510 * fixinc/tests/base/testing.h: Add testcase.
512 2000-07-10 Richard Henderson <rth@cygnus.com>
514 * config/ia64/ia64.c (got_symbolic_operand): New.
515 (symbolic_operand, move_operand): Revert 0701 change.
516 * config/ia64/ia64.h (PREDICATE_CODES): Update.
517 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
518 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
519 split the offset into a 14-bit low part instead of a 13-bit low part.
520 (load_fptr): Mark the mem as unchanging.
521 (load_symptr): Use got_symbolic_operand.
523 2000-07-10 Nick Clifton <nickc@cygnus.com>
525 * libgcc2.c (next_stack_level): Cast result of computation to
526 (void **) so that the assignment does not generate a warning.
528 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
530 * flags.h : Add new variable flag_single_precision_constant.
531 * toplev.c (display_help) : Add -fsingle-precision-constant option.
532 (flag_single_precision_constant): New.
533 * c-lex.c (yylex): Convert floating point constant to single
535 * invoke.texi : Add documentation for this new option.
537 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
539 * diagnostic.c (output_octal): Second parameter is unsigned.
540 (output_long_octal): Likewise.
541 (output_hexadecimal): Likewise.
542 (output_long_hexadecimal): Likewise.
543 (output_format): Adjust arguments extraction. Tweak.
544 (output_verbatim, verbatim): End variable argument list.
545 (report_diagnostic): Improve documentation.
547 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
549 * c-common.h (build_stmt): Declare.
550 (build_continue_stmt): Likewise.
551 (build_break_stmt): Likewise.
552 (build_return_stmt): Likewise.
554 * c-decl.c (do_case): Rewrite to do what previously done in
557 * c-semantics.c (build_stmt): Define.
558 (build_return_stmt): Likewise.
559 (build_break_stmt): Likewise.
560 (build_continue_stmt): Likewise.
561 (build_case_label): Likewise.
563 * c-parse.in (BREAK): Change to build tree, then generate RTL.
564 (CONTINUE): Likewise.
569 * c-parse.y: Regenerate.
570 * c-pasre.c: Likewise.
572 2000-07-09 Jason Merrill <jason@redhat.com>
574 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
576 * tree.h (STRIP_NOPS): Check for error_mark_node.
577 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
578 (dwarf2out_*): Remove duplicate declarations.
580 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
581 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
583 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
585 * diagnostic.c (wrap_text): New function.
586 (maybe_wrap_text): Likewise.
587 (output_add_string): Use it.
588 (output_format): Likewise.
589 (count_error): Use verbatim instead of notice.
590 (report_error_function): Likewise. Don't use plain fprintf.
591 (finish_diagnostic): New function.
592 (output_do_verbatim): Tweak. Commonalize functionalities in
593 output_verbatim and verbatim.
594 (output_verbatim): Adjust.
595 (verbatim): Likewise.
596 (report_diagnostic): Define.
598 * diagnostic.h (report_diagnostic): Prototype.
600 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
602 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
604 2000-07-09 Neil Booth <NeilB@earthling.net>
606 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
607 IShspace, ISspace: Update.
609 * cppinit.c: ISTABLE: Update.
612 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
613 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
614 (skip_block_comment, skip_line_comment, parse_string,
615 lex_line): Use is_vspace rather than IS_NEWLINE.
616 (skip_whitespace, lex_line): Clean up to use is_nvspace.
617 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
619 (lex_next): Unconditionally stop if within a directive.
620 Treat directives within macro invocations as directives
621 (after parse_args emits error), not as the argument.
623 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
625 * diagnostic.c (diagnostic_args): New macro.
626 (diagnostic_msg): Likewise.
627 (output_formatted_integer): Likewise.
628 (output_state): New data type.
629 (digit_buffer): Make global.
630 (output_add_integer): Rename to output_decimal. Squeeze
632 (output_long_decimal, output_unsigned_decimal,
633 output_long_unsigned_decimal, output_octal, output_long_octal,
634 output_hexadecimal, output_long_hexadecimal): New functions.
635 (output_append_r): New function.
636 (output_append): Tweak.
637 (output_flush_on): Rename to output_to_stream.
638 (output_format): Change prototype. Improve documentation. Handle
639 more format specifiers.
640 (build_location_prefix): Rename to context_as_prefix.
641 (output_notice): Rename to output_do_printf.
642 (output_printf): Tweak.
643 (line_wrapper_printf): Likewise.
644 (vline_wrapper_message_with_location): Adjust call to renamed
646 (v_message_with_decl): Likewise.
647 (default_print_error_function): Likewise.
648 (save_output_state): New function.
649 (restore_output_state): Likewise.
650 (output_do_verbatim): Likewise.
651 (output_verbatim): Define.
652 (verbatim): Likewise.
654 * diagnostic.h (printer_fn): Change return type from void to int.
655 Improve documentation.
656 (output_add_integer): Rename to output_decimal.
657 (output_flush_on, output_format): Don't export.
658 (output_verbatim, verbatim): Declare.
660 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
662 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
663 Check whether c divides op1 exactly if operation is not
666 2000-07-08 Richard Henderson <rth@cygnus.com>
668 * final.c (final): Do not abort when reg-stack introduces
671 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
673 * cpplib.h (struct cpp_name): Now struct cpp_string.
674 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
675 CPP_HEADER_NAME): Change to type S.
676 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
677 field, a cpp_hashnode *. All references to val.name updated
678 to use val.str or val.node as appropriate.
679 (struct cpp_reader): Add spec_nodes field.
680 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
682 * cpphash.h (struct spec_nodes): New.
683 (enum spell_type): Reorder. Only SPELL_STRING tokens use
684 val.str. All references to 'spelling > SPELL_NONE' updated to
687 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
688 pfile->buffer->inc are not NULL before dereferencing them.
690 * cpplex.c (parse_name): Take a pointer to the current token,
691 plus current position and limit as args; return the new
692 position; don't copy the text of a name into the string
693 buffer, instead call cpp_lookup and store the node pointer.
694 If extending a token, copy out the text of the old into a
695 scratch buffer, append the new, look that up and store the new
696 node pointer. Inline.
697 (maybe_paste_with_next): If the result of paste is a NAME,
698 then look up the pasted text and store its node pointer.
699 (lex_line): Adjust for new parse_name interface.
700 Check for L"str", L'str' using spec_nodes->n_L.
701 (spell_token): SPELL_IDENT tokens have their spelling in
702 val.node->name. Handle SPELL_STRING tokens that don't have
704 (_cpp_expand_name_space,
705 (can_paste): Check for L ## "str" using spec_nodes->n_L.
706 (cpp_get_token, special_symbol): No need to call cpp_lookup.
707 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
708 return 1=equal 0=not, not a tristate.
710 * cpphash.c (var_args_str): Delete.
711 (find_param): Compare node fields directly.
712 (is__va_args__): Use CPP_PEDANTIC. Just compare
713 token->val.node with spec_nodes->n__VA_ARGS__.
714 (dump_funlike_macro): Don't use var_args_str.
716 * cpplib.c (_cpp_check_directive): Just walk through
717 spec_nodes->dirs comparing pointers.
718 (get_define_node, do_pragma_poison, detect_if_not_defined,
719 parse_ifdef): The identifier has already been looked up.
720 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
722 (do_if): Only call detect_if_not_defined at beginning of file.
723 (_cpp_parse_assertion): Only copy string pointers for
725 (pragma_dispatch): Take a node pointer and examine its name
727 (_cpp_init_stacks): Also initialize the spec_nodes structure.
729 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
731 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
732 reverse order from the corresponding _cpp_init_* routines.
734 * cppexp.c (parse_number, parse_charconst, parse_defined,
735 lex): Check val.node->type instead of calling cpp_defined.
736 Use spec_nodes entries where appropriate.
738 * fix-header.c, scan-decls.c: Update for interface changes.
740 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
742 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
743 emitting aux_truncdfsf2.
745 2000-07-03 Donn Terry (donnte@microsoft.com)
747 * cppinit.c (print_help): split overlong line into ISO C89
750 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
752 * cppexp.c: Update all code for new lexer interface.
753 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
754 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
755 * cpplex.c (token_names): Trim leading CPP_ from names; make
756 the strings unsigned.
757 (_cpp_spell_operator): New.
758 (is_macro_disabled): Disable all macros if rescanning
760 (_cpp_get_directive_token): Remove.
762 * cppinit.c: Don't set no_macro_expand.
763 * cpplib.c (read_line_number, do_line): Check only for EOF,
765 * cpphash.h: Update prototypes.
766 * cpplib.h (CPP_VSPACE): Remove.
767 (struct cpp_reader): Remove no_macro_expand.
769 2000-07-08 Neil Booth <NeilB@earthling.net>
771 * cpphash.c (is__va_args__): New function.
772 (count_params): Fix line reported in error messages. Use
773 is__va_args__. Don't return ')' on error. Flag GNU style
774 rest args macro definitions.
775 (parse_define): Check macro name is not __VA_ARGS__.
776 (save_expansion): Check identifier in non-varargs-macro is
777 not __VA_ARGS__. Don't flag GNU_VARARGS.
778 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
779 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
780 than per-token GNU_VARARGS.
781 * cpplib.h (GNU_VARARGS): Remove.
782 (GNU_REST_ARGS): New.
784 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
786 * i386.md (call_pop, call, call_value_pop): Do not set
787 current_function_uses_pic_offset_table for calls to static
788 functions or indirect calls.
790 2000-07-07 Jim Wilson <wilson@cygnus.com>
792 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
793 is_predicate_reg, then take max write_count of register pair.
795 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
797 * tradcpp.c (main): Rename label `include' to `add_include' to
798 avoid conflicts with variable `include' in traditional C.
800 2000-07-07 Jakub Jelinek <jakub@redhat.com>
802 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
804 2000-07-07 Jakub Jelinek <jakub@redhat.com>
806 * sibcall.c (uses_addressof): Add INMEM argument, check for
807 current_function_internal_arg_pointer outside of MEM rtxs in addition
809 (sequence_uses_addressof): Update caller.
811 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
813 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
816 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
818 * system.h (UNION_INIT_ZERO): New macro for initializing union
821 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
823 2000-07-07 Neil Booth <NeilB@earthling.net>
827 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
829 * final.c (final): Detect out of bounds array access to
830 the insn_lengths array.
832 2000-07-07 Kazu Hirata <kazu@hxi.com>
834 * fold-const.c (fold): Fix a comment typo.
836 2000-07-07 Neil Booth <NeilB@earthling.net>
838 * cpp.texi: Update to new lexer.
840 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
842 * tradcpp.c: New file.
843 * tradcif.y: New file.
844 * tradcif.c: New generated file.
846 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
847 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
848 dependencies of C. Install tradcpp from install-common, in
851 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
853 * cppinit.c: Include cppdefault.h. Refer to
854 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
855 to GCC_INCLUDE_DIR and its length.
856 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
857 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
858 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
860 (include_defaults_array): Move to cppdefault.c.
862 * cppdefault.h: New file.
863 * cppdefault.c: New file.
865 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
866 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
867 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
870 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
872 * reload.c (push_reload): When seeing if can reuse a register,
873 check extra registers against widest of INMODE and OUTMODE.
875 2000-07-06 Neil Booth <NeilB@earthling.net>
877 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
878 based on full length of predicate.
880 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
882 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
883 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
885 2000-07-05 Kazu Hirata <kazu@hxi.com>
887 * h8300-proto.h: Fix formatting.
891 2000-07-05 Jim Wilson <wilson@cygnus.com>
893 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
896 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
898 * invoke.texi: Fix minor typos
899 * md.texi: Fix minor typos
901 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
903 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
905 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
907 * cpplex.c: Don't include sys/mman.h.
908 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
910 * cpplib.c: Include sys/mman.h and obstack.h.
911 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
913 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
914 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
915 bother freeing if stack entries (they will be freed with their buffer).
916 (do_endif): Free if stack entries from the buffer obstack.
917 (push_conditional): Allocate if stack entries from the buffer obstack.
919 (find_answer): Rename to _cpp_find_answer.
920 (do_assert, do_unassert): Update.
922 * cpphash.h: Update prototypes.
923 (xobnew): New convenience macro.
924 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
926 (struct cpp_hashnode): Remove disabled field.
928 * cppinit.c: Don't include hashtab.h or splay-tree.h.
929 (report_missing_guard): Moved to cppfiles.c.
930 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
932 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
933 cpp_cleanup_includes. Don't destroy hashtab or
934 all_include_files here.
935 (cpp_finish): Use _cpp_report_missing_guards.
937 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
938 (_cpp_init_include_table): Rename _cpp_init_includes.
939 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
941 * cppexp.c (parse_assertion): Update for new name of
944 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
946 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
948 * cpplib.c (do_ident): s/VSPACE/EOF/
950 2000-07-05 Neil Booth <NeilB@earthling.net>
952 * cpplex.c: Fix trigraph replacement within strings.
954 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
956 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
958 * xcoffout.c (assign_type_number): Constify.
959 (xcoffout_source_file): Add static prototype. Don't needlessly
960 cast away const-ness.
962 2000-07-04 Jason Merrill <jason@redhat.com>
964 * frame.h (frame_state): Move base_offset to end.
966 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
968 * calls.c (emit_library_call_value_1): Revert previous change.
970 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
972 * fix-header.c (struct partial_proto): Remove unnecessary fields.
973 (recognized_extern, recognized_function, read_scan_file):
974 Update for new scheme.
975 (check_protection): It's still a multiple include guard even
976 if it doesn't always trigger.
977 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
979 * scan.h: Declare struct cpp_token. Update prototypes.
981 2000-07-03 Neil Booth <neilb@earthling.net>
982 Zack Weinberg <zack@wolery.cumb.org>
984 Complete overhaul of the lexer and macro expander.
986 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
987 arg, arglist, argdata, reflist, collect_objlike_expansion,
988 collect_funlike_expansion, collect_params,
989 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
990 unsafe_chars, macarg, compare_defs, special_symbol,
991 scan_arguments, stringify, funlike_macroexpand,
992 _cpp_quote_string, monthnames): Delete.
993 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
994 _cpp_create_definition, _cpp_dump_definition,
995 dump_hash_helper): Adjust.
996 (find_param, count_params, parse_define, var_args_str,
997 check_macro_redefinition, save_expansion): New.
999 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1000 parse_string, output_line_command, trigraph_replace,
1001 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1002 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1003 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1004 _cpp_skip_rest_of_line): Modify.
1006 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1007 find_position, null_warning, bump_column, expand_name_space,
1008 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1009 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1010 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1011 _cpp_prescan): Delete.
1013 (dump_param_spelling, process_directive, lex_next,
1014 is_macro_disabled, stringify_arg, expand_context_stack,
1015 output_token, make_string_token, alloc_number_token,
1016 special_symbol, duplicate_token, maybe_paste_with_next,
1017 can_paste, prevent_macro_expansion, restore_macro_expansion,
1018 get_temp_token, release_temp_tokens, quote_string,
1019 token_names, token_spellings, _cpp_expand_name_space,
1020 _cpp_glue_header_name, _cpp_reserve_name_space,
1021 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1022 placemarker_token, eof_token, cpp_context, macro_args,
1023 get_raw_token, parse_arg, parse_args, save_token,
1024 push_arg_context, push_macro_context, pop_context,
1025 do_pop_context, free_macro_args, _cpp_get_line,
1026 _cpp_run_directive): New.
1028 * cpplib.c (validate_else, parse_include, push_conditional,
1029 pass_thru_directive, read_line_number, parse_ifdef,
1030 detect_if_not_defined, _cpp_check_directive, do_define,
1031 do_undef, do_include, do_import, do_include_next, do_error,
1032 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1033 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1034 do_pragma_poison, do_pragma_system_header,
1035 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1036 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1037 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1038 cpp_defined): Update for new scheme.
1039 (strtoul_for_line, get_define_node, dump_macro_name,
1040 _cpp_check_linemarker, _cpp_parse_assertion): New.
1041 (_cpp_handle_directive, do_pragma_default): Delete.
1043 * cpphash.h (struct predicate): Now struct answer.
1044 (enum spell_type, struct token_spelling, struct directive,
1045 directive_handler): New.
1046 Update prototypes. Remove unused macros.
1047 * cpplib.h: Update prototypes. Remove unused macros,
1048 structure definitions, and fields.
1050 * cpperror.c (print_containing_files, v_message): Adjust.
1051 * cppexp.c (parse_assertion, lex, parse_escape,
1052 _cpp_parse_expr): Adjust.
1053 * cppfiles.c (open_include_file, _cpp_execute_include,
1054 _cpp_compare_file_date, cpp_read_file, read_include_file):
1056 * cppinit.c (dump_special_to_buffer): Delete.
1057 (append_include_chain, merge_include_chains, cpp_reader_init,
1058 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1059 cpp_finish, handle_option, print_help): Adjust.
1060 * cppmain.c (main): Adjust.
1062 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1064 * cppspec.c (lang_specific_driver): Use double quotes in error
1067 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1069 * calls.c (emit_library_call_value_1): Use valreg instead
1070 of hard_libcall_value.
1072 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1074 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1075 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1076 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1084 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1085 mode instead of wider_mode is being used.
1087 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1089 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1090 of 'r'. Use q_regs_operand.
1091 (andsi_1+2): Use q_regs_operand.
1093 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1095 * builtins.c (get_memory_rtx): Always put into alias set 0.
1097 2000-07-03 Nick Clifton <nickc@cygnus.com>
1099 * config/arm/arm.md: Fix post increment and pre increment
1100 peepholes so that they do not generate UNPREDICATBLE opcodes.
1101 (ie ones where the increment clobbers the source/destination).
1103 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1105 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1106 change too big for -mtiny-stack" a warning, if larger than 63.
1107 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1108 always safe to use on possible future devices.
1109 (function_prologue): Write SPH before SPL, for consistency.
1110 If interrupt_func_p true, we know we have enabled interrupts.
1111 (avr_num_arg_regs): New function. Round up to even number of
1112 bytes if no -mpack-args or if calling a libgcc function.
1113 (function_arg, function_arg_advance): Use it.
1114 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1115 Output "movw" if available.
1116 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1117 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1118 (asm_output_section_name): Add blanks for consistent output.
1119 (encode_section_info): Set TREE_READONLY for progmem data to
1120 avoid gas warnings about changed section attributes.
1121 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1122 even numbered registers on devices with "movw".
1123 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1124 (TARGET_SWITCHES): Mark help strings for translation.
1125 Add new -mpack-args and -menhanced switches.
1126 (TARGET_OPTIONS): Mark help strings for translation.
1127 (progmem_section): Add section attributes.
1128 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1129 Output "movw" if available.
1130 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1132 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1133 call convention (arguments aligned on even registers).
1134 (_cleanup, _exit): Make weak symbols libc can override.
1136 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1138 * fp-bit.h: New file.
1140 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1141 Comment #endif statements.
1142 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1144 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1146 * gcse.c (compute_pre_data): Compute ae_kill using other local
1147 properties instead of calling compute_ae_kill.
1149 * alias.c (init_alias_analysis): Do not call
1150 prologue_epilogue_contains until after reload has completed.
1152 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1154 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1155 (genrtl_finish_compound_stmt): Likewise.
1156 (genrtl_compound_stmt): Change to return void.
1158 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1159 move code from here to ...
1160 (genrtl_compound_stmt): ... here.
1161 (genrtl_finish_compound_stmt): Remove.
1162 (expand_stmt): Add comment.
1164 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1166 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1169 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1171 * cpplib.h (struct cpp_reader): New field include_depth.
1172 (struct cpp_printer): Rename last_bsd to last_id.
1173 * cppfiles.c (read_include_file): Bump include_depth.
1174 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1175 (output_line_command): Output correct #line if a header
1176 is including itself and is not protected against multiple inclusion.
1177 Use include_depth instead of buffer_stack_depth, last_id instead of
1179 * cppinit.c (cpp_start_read): Initialize last_id instead of
1182 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1184 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1185 (c-semantics.o): New target.
1187 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1188 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1189 (genrtl_clear_out_block): Likewise.
1190 (genrtl_goto_stmt): Likewise.
1191 (genrtl_expr_stmt): Likewise.
1192 (genrtl_decl_stmt): Likewise.
1193 (genrtl_if_stmt): Likewise.
1194 (genrtl_while_stmt): Likewise.
1195 (genrtl_do_stmt): Likewise.
1196 (genrtl_return_stmt): Likewise.
1197 (genrtl_for_stmt): Likewise.
1198 (genrtl_break_stmt): Likewise.
1199 (genrtl_continue_stmt): Likewise.
1200 (genrtl_scope_stmt): Likewise.
1201 (genrtl_switch_stmt): Likewise.
1202 (genrtl_case_label): Likewise.
1203 (genrtl_begin_compound_stmt): Likewise.
1204 (gerntl_finish_compound_stmt): Likewise.
1205 (genrtl_compound_stmt): Likewise.
1206 (genrtl_asm_stmt): Likewise.
1207 (genrtl_decl_cleanup): Likewise.
1208 (DECL_ANON_UNION_ELEMS): Likewise.
1209 (emit_local_var): Likewise.
1210 (make_rtl_for_local_static): Likewise.
1211 (expand_cond): Likewise.
1212 (expand_stmt): Likewise.
1213 (c_expand_return): Likewise.
1214 (c_expand_start_case): Likewise.
1215 (do_case): Likewise.
1216 (COMPOUND_STMT_NO_SCOPE): Likewise.
1217 (c_expand_asm_operands): Likewise.
1218 (NEW_FOR_SCOPE_P): New macro.
1219 (expand_expr_stmt_fn): New type.
1221 (set_current_function_name_declared): Likewise.
1222 (current_function_name_declared): Likewise.
1223 (lang_expand_stmt): Likewise.
1224 (stmts_are_full_exprs_p): Likewise.
1225 (anon_aggr_type_p): Likewise.
1226 (lang_expand_expr_stmt): Likewise.
1227 (build_case_label): Likewise.
1229 * c-decl.c (lang_expand_expr_stmt): Initialize.
1230 (stmts_are_full_exprs_p): Define.
1231 (current_function_name_declared): Likewise.
1232 (do_case): Likewise.
1233 (lang_expand_stmt): Likewise.
1234 (set_current_function_name_declared): Likewise.
1235 (anon_aggr_type_p): Likewise.
1237 * c-semantics.c: New file.
1238 (expand_cond): Moved from cp/semantics.c.
1239 (genrtl_do_pushlevel): Likewise.
1240 (genrtl_clear_out_block): Likewise.
1241 (genrtl_goto_stmt): Likewise.
1242 (genrtl_expr_stmt): Likewise.
1243 (genrtl_decl_stmt): Likewise.
1244 (genrtl_if_stmt): Likewise.
1245 (genrtl_while_stmt): Likewise.
1246 (genrtl_do_stmt): Likewise.
1247 (genrtl_return_stmt): Likewise.
1248 (genrtl_for_stmt): Likewise.
1249 (genrtl_break_stmt): Likewise.
1250 (genrtl_continue_stmt): Likewise.
1251 (genrtl_scope_stmt): Likewise.
1252 (genrtl_switch_stmt): Likewise.
1253 (genrtl_case_label): Likewise.
1254 (genrtl_begin_compound_stmt): Likewise.
1255 (genrtl_finish_compound_stmt): Likewise.
1256 (genrtl_compound_stmt): Likewise.
1257 (genrtl_asm_stmt): Likewise.
1258 (genrtl_decl_cleanup): Likewise.
1259 (make_rtl_for_local_static): Moved from cp/decl.c.
1260 (emit_local_var): Likewise.
1261 (expand_stmt): Define.
1263 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1264 (c_expand_return): Likewise.
1265 (c_expand_start_case): Likewise.
1267 2000-07-01 Richard Henderson <rth@cygnus.com>
1269 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1270 with the low 13 bits set.
1271 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1272 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1273 of the low 13 bits into a CONST plus an adddi3.
1274 (load_symptr): Set RTX_UNCHANGING_P.
1276 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1278 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1279 * c-common.c (ridpointers): Declare.
1280 * c-common.h (enum rid): Declare.
1282 (ridpointers): Likewise.
1283 * c-lex.c (ridpointers): Don't declare.
1284 (init_lex): Initialize ridpointers.
1285 * c-lex.h (enum rid): Don't declare.
1287 (RID_FIRST_MODIFIER): Likewise.
1288 (ridpointers): Likewise.
1290 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1292 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1295 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1297 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1300 2000-06-30 Catherine Moore <clm@cygnus.com>
1302 * c-common.c (decl_attributes): Differentiate between
1303 types and type decls for alignment.
1305 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1307 * cpp.texi: Document #pragma GCC dependency
1308 * cppfiles.c (open_include_file): Set date to unknown.
1309 (_cpp_compare_file_date): New function.
1310 (read_include_file): Set file date.
1311 * cpphash.h (struct include_file): Add date member.
1312 (_cpp_compare_file_date): Prototype.
1313 * cpplib.c (parse_include): Add trail parameter. Adjust.
1314 (do_include): Adjust parse_include call.
1315 (do_import): Likewise.
1316 (do_include_next): Likewise.
1317 (gcc_pragmas): Add dependency pragma.
1318 (do_pragma_dependancy): New pragma.
1320 2000-06-29 Jason Merrill <jason@redhat.com>
1322 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1325 2000-06-29 Jim Wilson <wilson@cygnus.com>
1327 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1328 a volatile mem and FR_REGS.
1330 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1332 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1333 * c-common.h (flag_const_strings): Declare.
1334 (warn_format): Likewise.
1335 (flag_traditional): Likewise.
1336 (flag_isoc99): Likewise.
1337 (warn_parentheses): Likewise.
1338 (warn_conversion): Likewise.
1339 (C_TYPE_OBJECT_P): Likewise.
1340 (C_TYPE_INCOMPLETE_P): Likewise.
1341 (C_TYPE_FUNCTION_P): Likewise.
1342 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1343 (C_EXP_ORIGINAL_CODE): Likewise.
1344 (build_unary_op): Likewise.
1345 (build_binary_op): Likewise.
1346 (lvalue_p): Likewise.
1347 (default_conversion): Likewise.
1348 (common_type): Likewise.
1349 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1350 (C_TYPE_INCOMPLETE_P): Likewise.
1351 (C_TYPE_FUNCTION_P): Likewise.
1352 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1353 (C_EXP_ORIGINAL_CODE): Likewise.
1354 (common_type): Likewise.
1355 (default_conversion): Likewise.
1356 (build_binary_op): Likewise.
1357 (build_unary_op): Likewise.
1358 (lvalue_p): Likewise.
1359 (flag_const_strings): Likewise.
1360 (warn_format): Likewise.
1361 (warn_conversion): Likewise.
1362 (flag_traditional): Likewise.
1363 (flag_isoc99): Likewise.
1364 (warn_parentheses): Likewise.
1366 2000-06-29 James E. Wilson <wilson@cygnus.com>
1368 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1370 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1371 same. Only tie XFmode with XFmode.
1373 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1375 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1376 * Makefile.in: Update deps.
1378 2000-06-29 Andrew Haley <aph@cygnus.com>
1380 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1383 2000-06-29 Andrew Haley <aph@cygnus.com>
1385 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1386 bytes: remove the multiply by 8.
1388 2000-06-29 Philipp Thomas <pthomas@suse.de>
1390 * rtl.c : Revert NLS changes.
1391 * gcc.c : Fix bug in display_help introced by my last changes.
1393 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1395 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1396 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1398 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1400 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1402 2000-06-28 Philipp Thomas <pthomas@suse.de>
1404 * c-decl.c : Mark strings for translation.
1405 (parmlist_tags_warning): Use distinct messages instead
1406 of conditional expressions.
1407 * diagnostic.c (v_message_with_decl): Mark string for translation.
1408 * gcc.c: Mark messages for translation.
1409 (display_help): Combine messages into one string where necessary.
1410 * mips-tfile: Add intl.h. Mark messages for translation.
1411 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1412 messages for translation.
1413 * timevar.c: Mark messages for translation.
1414 * tlink.c: Likewise.
1415 * toplev.c: Likewise.
1417 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1419 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1421 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1422 use -isystem instead of -idirafter.
1423 * i386/i386-interix.h: Likewise.
1425 2000-06-28 Jason Merrill <jason@redhat.com>
1427 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1428 unless DWARF2_DEBUGGING_INFO is defined.
1429 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1431 2000-06-28 Richard Henderson <rth@cygnus.com>
1433 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1435 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1437 * cpplex.c (output_line_command): Output correct #line if a header
1438 is including itself and is not protected against multiple inclusion.
1440 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1442 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1443 ENFILE, close all cached file descriptors and try again.
1444 (_cpp_execute_include): Keep a count of the number of times
1445 each header is included.
1446 (close_cached_fd): New function.
1447 * cpphash.h (struct include_file): Rename before to
1448 include_count; all users updated. Make include_count and sysp
1450 * cppinit.c (cpp_finish): If -H, report headers that could use
1452 (report_missing_guard): New function.
1454 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1456 * i386.md (prologue_set_got): Set length_immediate field.
1457 (testqi_ccno_1): Add missing '@' character.
1459 2000-06-27 Jason Merrill <jason@redhat.com>
1461 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1464 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1466 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1467 unsigned macros available.
1469 2000-06-27 Richard Henderson <rth@cygnus.com>
1471 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1472 epilogue_deallocate_stack.
1474 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1475 completers for UNORDERED and ORDERED as well.
1476 * config/ia64/ia64.md (bunordered, bordered): New.
1477 (sunordered, sordered): New.
1479 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1481 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1482 * i386.c (ix86_attr_length_default): Kill.
1483 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1485 * i386-protos.h (ix86_attr_length_default): Kill
1486 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1488 * i386.md (attribute type): Add "test".
1489 (attribute length_prefix): Kill.
1490 (attribute length_opcode): Kill.
1491 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1492 prefix_rep, prefix_0f, modrm): New.
1493 (attribute length): Compute using the new attributes.
1494 (attribute pent_prefix): New.
1495 (attribute pent_pair): Compute using pent_prefix.
1496 (all insn patterns): Set mode,modrm and immediate_length attributes where
1498 (cmpsi patterns): Compute sizes propertly for test instruction.
1499 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1500 (movstricthi_xor, movstrictqi_xor): New patterns.
1501 (andsi/andhi): Use splitters to generate xor instructions.
1502 (xorqi_ext_1): New pattern.
1503 (movstricthi->movstricthi_xor peep2): New.
1505 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1507 * i386.md (addqi_low_1): Remove.
1509 2000-06-27 Philipp Thomas <pthomas@suse.de>
1511 * 1750a.h: Mark help strings for options/switches for translation.
1513 * alpha.h: Likewise.
1516 * riscix.h: Likewise.
1518 * clipper.h: Likewise.
1519 * convex.h: Likewise.
1520 * elxsi.h: Likewise.
1523 * h8300.h: Likewise.
1525 * cygwin.h: Likewise.
1527 * djgpp.h: Likewise.
1529 * osf1elf.h: Likewise.
1530 * osfrose.h: Likewise.
1532 * win32.h: Likewise.
1534 * paragon.h: Likewise.
1538 * mcore.h: Likewise.
1540 * mn10300.h: Likewise.
1541 * ns32k.h: Likewise.
1542 * pdp11.h: Likewise.
1545 * aix41.h: Likewise.
1546 * aix43.h: Likewise.
1548 * rs6000.h: Likewise.
1549 * sysv4.h: Likewise.
1550 * linux.h: Likewise.
1551 * linux64.h: Likewise.
1552 * sp64-elf.h: Likewise.
1553 * sparc.h: Likewise.
1554 * splet.h: Likewise.
1556 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1558 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1559 Properly document option and mark for translation.
1560 * sp86x-elf.h: Likewise.
1562 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1564 Add MMX and SSE registers to i386 machine description.
1565 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1566 ix86_local_alignment): Declare.
1568 * i386.h (TARGET_MMX, TARGET_SSE): New.
1569 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1570 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1571 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1572 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1573 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1574 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1575 (RETURN_IN_MEMORY): Handle MMX/SSE.
1576 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1577 also get stack space.
1578 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1579 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1580 (MMX_REGISTER_NAMES): New.
1581 (ALIGN_MODE_128): New macro.
1582 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1583 (DATA_ALIGNMENT): Likewise.
1584 (LOCAL_ALIGNMENT): Likewise.
1585 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1586 TARGET_MMX/TARGET_SSE.
1587 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1588 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1589 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1590 SSE/MMX regs and something else.
1591 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1592 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1593 3 if moving between MMX regs and something else.
1595 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1596 (regclass_map): Add MMX/SSE registers.
1597 (print_operand): Add code to print XMMWORD as appropriate.
1598 (ix86_split_movdi): Abort for MMX regs.
1599 (init_cumulative_args): Also allow SSE_REGS
1600 (function_arg_advance, function_arg): Likewise
1601 (print_reg): Support 'm'. Add case for TImode.
1602 (override_options): TARGET_SSE implies TARGET_MMX.
1603 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1606 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1608 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1610 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1611 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1613 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1615 * ssa.c (struct rename_set_data): Change the name of field
1616 'set_dest' to 'old_reg'. Add comments.
1617 (struct rename_context): Change the name of 'set_data' to
1618 'new_renames'. Add new field 'done_renames'.
1619 (create_delayed_rename): New function.
1620 (apply_delayed_renames): New function.
1621 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1622 SUBREGs and similar by emitting a move.
1623 (new_registers_for_updates): Delete, functionality moved to
1624 apply_delayed_renames.
1625 (rename_block): Handle moves emitted by rename_insn_1 by putting
1626 them into a SEQUENCE with the original insn. Add sanity checks
1628 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1629 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1631 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1632 Jason Merrill <jason@redhat.com>
1634 * dwarf2.h (enum dwarf_call_frame_info): Add
1635 DW_CFA_def_cfa_expression.
1636 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1637 dw_loc_descr_struct entry.
1638 (struct cfa_loc): New structure to track a CFA location.
1639 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1640 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1641 offset, plus handle DW_CFA_def_cfa_expression.
1642 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1644 (dwarf2out_def_cfa): Entry point maintained for compatability.
1645 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1646 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1647 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1648 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1650 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1651 sequences for the new DW_CFA_def_cfa_expression record.
1652 (dwarf2out_frame_debug): Use new variables/fields.A
1653 (output_cfi): Handle DW_CFA_def_cfa_expression.
1654 (output_cfa_loc): New function to generate a CFI record for
1655 DW_CFA_def_cfa_expression.
1656 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1657 a dw_loc_descr sequeunce.
1658 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1659 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1660 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1661 unwind info section.
1662 * frame.h (frame_state): Add base_offset and indirect fields.
1663 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1664 dw_loc_descr operation.
1665 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1666 (struct frame_state): Add base offset and indirect fields.
1667 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1669 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1671 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1672 Make warnings about implicit int be pedwarns in C99. Don't warn
1673 about duplicate type qualifiers in C99.
1674 (start_function): Make warning about implict int return type be a
1676 * c-lex.c (yylex): Don't warn about `long long' in C99.
1677 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1678 `return' with no value in function returning non-void.
1680 2000-06-26 Richard Henderson <rth@cygnus.com>
1682 * c-typeck.c (pedwarn_c99): New.
1683 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1684 * toplev.h: Prototype them.
1686 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1688 * c-typeck.c (digest_init): Return error_mark_node node when
1689 TREE_TYPE (init) == error_mark_node.
1691 2000-06-26 Philipp Thomas <pthomas@suse.de>
1693 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1694 test for msgfmt without path instead.
1695 * configure: Rebuilt.
1697 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1699 * gengenrtl.c (special_rtx): Fix typo in comment.
1701 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1703 * mklibgcc.in (LIB2FUNCS): Add missing space.
1705 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1707 * tree.h (enum tree_index): Add vector type nodes.
1708 Add accessor macros for them.
1709 (TYPE_REPRESENATION_TYPE): New macro.
1710 * tree.c (build_common_tree_nodes_2): Build these nodes.
1711 (finish_vector_type): New function.
1712 * c-common.c (type_for_mode): Handle vector modes.
1713 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1715 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1716 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1717 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1718 (gen_type_die): Likewise.
1719 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1720 (fundamental_type_code): Likewise.
1721 (type_is_fundamental): VECTOR_TYPEs aren't.
1722 (output_type): Handle VECTOR_TYPEs.
1724 2000-06-25 Kazu Hirata <kazu@hxi.com>
1726 * config/arm.c: Fix a comment typo.
1727 * config/arm.h: Likewise.
1729 2000-06-25 Philipp Thomas <pthomas@suse.de>
1731 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1733 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1734 * configure: Rebuilt.
1736 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1738 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1740 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1742 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1745 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1747 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1749 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1751 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1753 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1755 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1756 last_unconditional_cleanup.
1758 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1760 * tree.def (VECTOR_TYPE): New node type.
1761 * tree.h: Adjust some comments to reflect addition of vector types.
1762 (TYPE_VECTOR_SUBPARTS): New macro.
1763 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1764 * c-convert.c (convert): Likewise.
1765 * convert.c (convert_to_integer): Handle vector modes.
1766 (convert_to_vector): New function.
1767 * convert.h (convert_to_vector): Declare.
1768 * expr.c (convert_move): Handle vector modes.
1769 * expmed.c (extract_bit_field): Don't abort for vector modes.
1771 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1773 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1774 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1775 New functions, common code moved from function_{prologue,epilogue}
1776 and extended to support the -mtiny-stack option.
1777 (function_prologue, function_epilogue): Use them.
1778 Use lo8/hi8 consistently for asm output readability.
1779 (avr_hard_regno_mode_ok): New function.
1780 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1781 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1782 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1783 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1784 Write SPH before SPL.
1785 (*movqi): No need to disable interrupts for just one "out"
1786 in alternative 5. Change length attribute from 4 to 1.
1787 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1788 Write SPH before SPL.
1790 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1792 * rtl.texi (Vector Operations): New node.
1793 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1794 (Conversions): Add ss_truncate, us_truncate.
1795 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1796 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1797 US_TRUNCATE): New rtx codes.
1798 * machmode.def: Add vector modes.
1799 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1801 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1802 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1803 (VECTOR_MODE_P): New.
1805 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1807 * cpp.texi: Clarify #pragma GCC namespace.
1809 2000-06-24 Philipp Thomas <pthomas@suse.de>
1811 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1812 all catalogs specified in ALL_LINGUAS.
1813 * configure: Rebuilt.
1815 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1817 * config/sparc/sparc.md (reload_outdi+1): Handle
1818 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1819 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1821 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1823 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1824 struct vs. scalar-ness when -fno-strict-aliasing.
1826 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1828 * cpplib.c (struct pragma_entry): New structure.
1829 (pragma_dispatch): Pragma dispatcher.
1830 (top_pragmas, gcc_pragmas): New static variables.
1831 (do_pragma): Use pragma_dispatch.
1832 (do_pragma_gcc): New pragma handler.
1835 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1837 * calls.c (compute_argument_addresses): Force stack slots into
1839 * expr.c (emit_push_insn): Force pushes into alias set 0.
1841 2000-06-23 Richard Henderson <rth@cygnus.com>
1843 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1844 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1846 2000-06-22 Jason Merrill <jason@redhat.com>
1848 * toplev.c (compile_file): Always call timevar_print.
1849 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1851 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1853 * varasm.c (constant_descriptor): Make contents unsigned char.
1854 (mark_const_hash_entry): Adjust.
1855 (const_hash): Just hash the code of unknown nodes.
1856 (compare_constant_1): Adjust for unsigned char.
1857 Use language specific expander on unknown nodes.
1858 (record_constant_1): Likewise.
1860 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1862 * cppfiles.c (cpp_make_system_header): New function.
1863 * cpplib.h: Prototype it.
1864 * cpplib.c (do_line, do_pragma_system_header): Use it.
1865 * fix-header.c (read_scan_file): Use it.
1867 * fix-header.c (check_macro_names): Cast second arg of
1868 cpp_defined to const unsigned char *.
1869 (read_scan_file): Make getchar_call const unsigned char.
1871 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1873 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1874 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1875 (destroy_include_file_node): New.
1876 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1877 Create a splay tree, not a hash table.
1878 (open_include_file): Look up the path in the include table,
1879 do the multiple include optimization here, etc.
1880 (cpp_included): Walk the path.
1881 (find_include_file): Just walk the path calling
1882 open_include_file, or call it directly for an absolute path.
1883 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1885 (read_include_file): Update for new scheme. Don't close the
1886 file unless reading fails.
1887 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1889 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1890 (struct include_file): New.
1891 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1893 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1896 * cppinit.c: Include splay-tree.h.
1897 (cpp_reader_init, cpp_cleanup): Update.
1899 * cpplib.h (struct cpp_buffer): Change ihash field to
1900 'struct include_file *inc'. Remove system_header_p.
1901 (struct cpp_reader): Change all_include_files to a
1902 struct splay_tree_s *.
1904 * cpplex.c: Update all references to cpp_buffer->ihash and/or
1905 cpp_buffer->system_header_p.
1906 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
1908 * Makefile.in (SPLAY_TREE_H): New macro.
1909 (cppfiles.o, cppinit.o): Update dependencies.
1911 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
1913 * invoke.texi (g++): "g++" is not a script anymore.
1915 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1917 * function.c (round_down): Delete obsolete prototype.
1919 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
1921 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
1923 * configure.in: Use 'test a = b' not 'test a == b'.
1926 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
1928 * Makefile.in: Remove all references to HOST_INTLLIBS.
1930 * cpplex.c (parse_name): Don't warn about $ in identifiers if
1933 2000-06-20 Philipp Thomas <pthomas@suse.de>
1935 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
1938 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1940 * Take REG_INC notes into account.
1942 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
1944 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
1945 (primary: IDENTIFIER): Just call build_external_ref.
1946 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1948 * c-lex.c (lastiddecl): Remove.
1949 (yylex): Replace all instances of lastiddecl with local
1952 * c-typeck.c (build_external_ref): New function. Treat decls
1953 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
1954 Look up the decl from the id here. Call lookup_objc_ivar.
1955 * c-lang.c (lookup_objc_ivar): Stub.
1956 * objc/objc-act.c (lookup_objc_ivar): New function.
1958 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
1959 * c-lex.h: Don't declare lastiddecl.
1961 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
1963 * c-common.h (IF_COND): Added documentation.
1964 (THEN_CLAUSE): Likewise.
1965 (ELSE_CLAUSE): Likewise.
1966 (WHILE_COND): Likewise.
1967 (WHILE_BODY): Likewise.
1968 (DO_COND): Likewise.
1969 (DO_BODY): Likewise.
1970 (RETURN_EXPR): Likewise.
1971 (EXPR_STMT_EXPR): Likewise.
1972 (FOR_INIT_STMT): Likewise.
1973 (FOR_COND): Likewise.
1974 (FOR_EXPR): Likewise.
1975 (FOR_BODY): Likewise.
1976 (SWITCH_COND): Likewise.
1977 (SWITCH_BODY): Likewise.
1978 (CASE_LOW): Likewise.
1979 (CASE_HIGH): Likewise.
1980 (GOTO_DESTINATION): Likewise.
1981 (COMPOUND_BODY): Likewise.
1982 (ASM_CV_QUAL): Likewise.
1983 (ASM_STRING): Likewise.
1984 (ASM_OUTPUTS): Likewise.
1985 (ASM_INPUTS): Likewise.
1986 (ASM_CLOBBERS): Likewise.
1987 (DECL_STMT_DECL): Likewise.
1988 (STMT_EXPR_STMT): Likewise.
1989 (LABEL_STMT_LABEL): Likewise.
1991 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
1992 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
1993 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
1994 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1996 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1998 * configure.in (--enable-checking): Update --help doc to reflect
1999 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2001 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2003 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2005 * function.c (put_var_into_stack): Don't reference DECL_ fields
2006 if input is a SAVE_EXPR.
2007 Use set_mem_attributes in COMPLEX case.
2009 2000-06-18 Richard Henderson <rth@cygnus.com>
2011 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2012 (ia64_file_start): Declare.
2013 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2014 (GR_REGNO_P): Likewise.
2015 * config/ia64/ia64.c: Many prototypes.
2016 (ia64_reg_numbers): Constify.
2017 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2018 (ia64_section_threshold): Make unsigned.
2019 (ia64_print_operand): Constify.
2020 (fix_range): Constify.
2021 (ia64_init_builtins): Don't compare signed vs unsigned.
2022 (ia64_expand_builtin): Likewise.
2024 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2025 (CONSTRAINT_OK_FOR_Q): New.
2026 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2027 (movsf_internal, movdf_internal): Likewise.
2028 (cmovdi_internal): Rewrite so that constraints and predicates match;
2030 (cmovsi_internal): Likewise.
2032 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2033 (ASM_FILE_START): New.
2034 * config/ia64/ia64.c (ia64_file_start): New.
2035 (rtx_needs_barrier): Handle pred.rel.mutex.
2036 (emit_predicate_relation_info): New.
2037 * config/ia64/ia64.md (pred_rel_mutex): New.
2038 * config/ia64/linux.h (ASM_SPEC): Define.
2039 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2041 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2042 filtering global register variables.
2044 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2046 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2048 2000-06-17 Michael Meissner <meissner@redhat.com>
2050 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2051 not present and there is a field after a '-'.
2053 2000-06-17 Bruce Korb <bkorb@gnu.org>
2055 * fixinc/check.tpl: finish the implementation of multiple tests
2057 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2058 (io_quotes_def): add a second test
2059 (various): reorder `files' so that "limits.h" is never first
2060 * fixinc/tests/base/*: update the testing output
2062 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2064 * gcc.texi: Remove reference to stupid.c.
2066 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2068 * c-common.c (c_tree_code_type): New array.
2069 (c_tree_code_length): Likewise.
2070 (c_tree_code_name): Likewise.
2071 (add_c_tree_codes): New function.
2073 * c-common.h (add_c_tree_codes): Declare.
2074 (enum c_tree_code): New enum.
2076 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2078 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2080 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2081 select pattern to also match macro defs with only one argument.
2083 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2085 * i386.md: Create new [right,left] rotate and right shift
2086 patterns to optimize shift by 1 bit for certain ia32 processors.
2087 Update patterns which perform left shifts to optimize shift by
2088 1 bit for certain ia32 processors.
2089 * i386.c (const_int_1_operand): New predicate.
2090 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2091 * i386-protos.h (const_int_1_operand): Prototype.
2093 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2095 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2097 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2099 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2102 2000-06-14 Richard Henderson <rth@cygnus.com>
2104 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2106 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2109 * print-rtl.c (print_rtx): Emit space before mem alias set.
2111 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2113 * rs6000.c (expand_block_move): Fix typo in earlier change.
2114 (print_operand): Remove unused variables neg and op.
2115 (toc_hash_mark_entry): Fix prototype.
2117 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2119 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2120 (THEN_CLAUSE): Likewise.
2121 (ELSE_CLAUSE): Likewise.
2122 (WHILE_COND): Likewise.
2123 (WHILE_BODY): Likewise.
2124 (DO_COND): Likewise.
2125 (DO_BODY): Likewise.
2126 (RETURN_EXPR): Likewise.
2127 (EXPR_STMT_EXPR): Likewise.
2128 (FOR_INIT_STMT): Likewise.
2129 (FOR_COND): Likewise.
2130 (FOR_EXPR): Likewise.
2131 (FOR_BODY): Likewise.
2132 (SWITCH_COND): Likewise.
2133 (SWITCH_BODY): Likewise.
2134 (CASE_LOW): Likewise.
2135 (CASE_HIGH): Likewise.
2136 (GOTO_DESTINATION): Likewise.
2137 (COMPOUND_BODY): Likewise.
2138 (ASM_CV_QUAL): Likewise.
2139 (ASM_STRING): Likewise.
2140 (ASM_OUTPUTS): Likewise.
2141 (ASM_INPUTS): Likewise.
2142 (ASM_CLOBBERS): Likewise.
2143 (DECL_STMT_DECL): Likewise.
2144 (STMT_EXPR_STMT): Likewise.
2145 (LABEL_STMT_LABEL): Likewise.
2146 (SCOPE_BEGIN_P): Likewise.
2147 (SCOPE_END_P): Likewise.
2148 (SCOPE_STMT_BLOCK): Likewise.
2149 (SCOPE_NULLIFIED_P): Likewise.
2150 (SCOPE_NO_CLEANUPS_P): Likewise.
2151 (SCOPE_PARTIAL_P): Likewise.
2152 (ASM_VOLATILE_P): Likewise.
2153 (STMT_LINENO): Likewise.
2154 (STMT_LINENO_FOR_FN_P): Likewise.
2156 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2157 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2158 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2159 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2160 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2162 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2164 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2166 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2167 writable in parts of the GCC code.
2169 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2170 specification match cast.
2172 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2174 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2175 * configure, config.in: Rebuilt.
2176 * sys-protos.h: Similarly.
2178 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2180 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2181 * basic-block.h (EDGE_COMPLEX): ... here.
2183 * loop.c (check_dbra_loop): Specify the register when
2184 generating REG_NONNEG notes and don't generate duplicates.
2186 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2188 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2189 (struct tree_type, struct tree_decl): Add user_align member.
2190 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2191 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2192 and DECL_USER_ALIGN 0, cap alignment to this value.
2193 (place_field): Likewise.
2194 (finalize_type_size): Set TYPE_USER_ALIGN.
2195 (layout_type): Likewise.
2196 (initialize_sizetypes): Likewise.
2197 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2198 DECL_USER_ALIGN to 1.
2199 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2200 (xfer_tag): Set TYPE_USER_ALIGN.
2201 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2202 (finish_enum): Likewise.
2203 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2204 (expand_anon_union_decl): Likewise.
2205 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2206 (build_index_type): Set TYPE_USER_ALIGN.
2207 (build_range_type): Likewise.
2208 (build_common_tree_nodes_2): Likewise.
2209 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2211 2000-06-13 Andreas Jaeger <aj@suse.de>
2213 * configure.in: Use --enable-checking=misc,tree,gc by default if
2214 no --enable-checking option is given and for
2215 --enable-checking=yes.
2216 * configure: Rebuilt.
2218 2000-06-13 Richard Henderson <rth@cygnus.com>
2220 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2221 (__throw): Don't pass the address of a label.
2223 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2224 current_function_is_leaf.
2225 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2226 instead of reg_names[RETURN_ADDRESS_REGNUM].
2227 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2228 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2229 from RETURN_ADDRESS_REGNUM. Update all uses.
2230 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2231 zero instead of null on failure.
2232 (ELIMINABLE_REGS): Add ra->b0 elimination.
2233 (CAN_ELIMINATE): Update accordingly.
2234 (INITIAL_ELIMINATION_OFFSET): Likewise.
2235 (REGISTER_NAMES): Use an illegal assembler name for
2236 RETURN_ADDRESS_POINTER_REGNUM.
2238 2000-06-13 Richard Henderson <rth@cygnus.com>
2240 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2241 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2242 (REG_CLASS_NAMES): Likewise.
2243 (REG_CLASS_CONTENTS): Likewise.
2244 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2245 (HARD_REGNO_MODE_OK): Remove references to them.
2246 (REGNO_REG_CLASS): Likewise.
2247 (REG_CLASS_FROM_LETTER): Likewise.
2248 (CLASS_MAX_NREGS): Likewise.
2249 (REGISTER_MOVE_COST): Likewise.
2250 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2251 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2252 (movqi_internal): Special case moves from zero.
2253 (movhi_internal, movsi_internal): Likewise.
2254 (movdi_internal): Likewise. Fill out "f" constraints.
2255 (movsf_internal): Fill out "r" constraints.
2256 (movdf_internal): Likewise.
2258 2000-06-13 Richard Henderson <rth@cygnus.com>
2260 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2261 alive before reload.
2263 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2264 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2265 (remove_dependence): Always define.
2266 (set_sched_group_p): New.
2267 (sched_analyze_2): Use it.
2268 (sched_analyze_insn): Don't special-case naked uses. Look for
2269 and extend in_post_call_group_p.
2270 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2271 (init_deps): Clear in_post_call_group_p.
2273 2000-06-13 Richard Henderson <rth@cygnus.com>
2275 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2276 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2277 and hard-coded tests.
2278 (simplify_set): Likewise.
2279 (gen_lowpart_for_combine): Likewise.
2280 * emit-rtl.c (gen_lowpart_common): Likewise.
2281 * global.c (find_reg): Likewise.
2282 * local-alloc.c (find_free_reg): Likewise.
2283 * recog.c (register_operand): Likewise.
2284 * regclass.c (init_reg_sets_1): Likewise.
2285 (record_operand_costs, regclass): Likewise.
2286 * reload.c (push_reload): Likewise.
2287 * reload1.c (choose_reload_regs): Likewise.
2288 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2289 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2290 Update all references.
2291 * regs.h (struct reg_info_def): Likewise.
2292 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2293 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2294 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2296 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2297 (CLASS_CANNOT_CHANGE_MODE_P): New.
2298 * config/mips/mips.h: Likewise.
2299 * config/pa/pa32-regs.h: Likewise.
2300 * config/pa/pa64-regs.h: Likewise.
2301 * config/rs6000/rs6000.h: Likewise.
2302 * config/sh/sh.h: Likewise.
2303 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2304 (CLASS_CANNOT_CHANGE_MODE_P): New.
2305 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2306 * config/d30v/d30v.h: Likewise.
2308 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2310 * configure.in: Add AC_TYPE_GETGROUPS test.
2311 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2312 * configure: Rebuilt.
2313 * config.in: Rebuilt.
2315 2000-06-13 Richard Henderson <rth@cygnus.com>
2317 * explow.c (set_mem_attributes): Do nothing for NULL type.
2319 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2321 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2324 2000-06-13 James E. Wilson <wilson@cygnus.com>
2326 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2328 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2330 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2332 2000-06-13 Philipp Thomas <pthomas@suse.de>
2334 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2335 * configure: Rebuilt.
2337 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2339 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2340 We now default to ELF for the i386, and a.out is the special case.
2341 * configure: Rebuilt.
2343 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2345 * final.c (final_scan_insn): Delete notes between cc0 setter and
2346 user when restarting from setter.
2348 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2350 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2351 cast to squelch signed/unsigned warnings.
2353 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2355 * cpplib.c (handle_directive): Print non-NUL-terminated string
2358 2000-06-12 Michael Meissner <meissner@redhat.com>
2360 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2361 path if the machine needs extra support to do conditional
2364 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2366 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2367 to print the alias set.
2368 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2370 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2372 * config/float-vax.h: Add GFLOAT defines.
2374 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2376 * configure.in: Update tm dependencies for MPE.
2377 * configure: Rebuilt.
2379 2000-06-12 H.J. Lu <hjl@gnu.org>
2381 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2383 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2385 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2386 (CPP_SPEC): Change mthreads to pthread.
2387 (LIB_SPEC): Likewise.
2388 (STARTFILE_SPEC): Likewise.
2389 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2390 (CPP_SPEC): Change mthreads to pthread.
2391 (LIB_SPEC): Likewise.
2392 (STARTFILE_SPEC): Likewise.
2393 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2394 * rs6000.c (reg_or_arith_cint_operand): New.
2395 (num_insns_constant_wide): Decorate unsigned constant.
2396 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2397 * rs6000.md (addsi3): Use new predicate.
2398 (subsi3, adddi3, subdi3): Likewise.
2400 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2402 * c-common.c (lang_get_alias_set): Fix typo.
2404 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2406 * flow.c (mark_used_regs): Revert last change.
2407 (life_analysis): Remove PROP_AUTOINC if running after reload.
2408 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2410 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2412 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2415 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2417 * bb-reorder.c (build_scope_forest): Initialize variable
2420 * calls.c (expand_call): Likewise for variables
2421 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2423 * i386.c (function_arg_advance, function_arg): Cast to avoid
2424 signed/unsigned warnings.
2426 * i386.h (MEMORY_MOVE_COST): Likewise.
2428 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2429 `else_start' and `else_end'.
2431 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2433 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2435 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2437 * Makefile.in (libintl.a): Depend on intl.all.
2439 2000-06-09 H.J. Lu (hjl@gnu.org)
2441 * Makefile.in (c-parse.o): Also depend on output.h.
2443 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2445 * mcore-protos.h: discards const warning removal.
2446 * mcore.c: discards const warning removal.
2448 2000-06-09 Kazu Hirata <kazu@hxi.com>
2450 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2451 the beginning of the file.
2453 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2455 * real.h: Add prototype for ldexp.
2457 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2459 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2460 it ggc_alloc, drop second argument, never clear returned memory.
2461 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2462 (ggc_alloc_cleared): New.
2463 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2464 ggc_alloc_obj. Remove ggc_alloc macro.
2465 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2467 * rtl.c (rtvec_alloc): Clear the vector always.
2468 (rtx_alloc): Clear the first word always. Remove dirty
2469 obstack tricks (this routine is no longer a bottleneck).
2470 * tree.c (make_node): Clear the new node always.
2471 (make_tree_vec): Likewise.
2472 (tree_cons): Clear the common structure always.
2473 (build1): Likewise; also, clear TREE_COMPLEXITY.
2474 * gengenrtl.c: Use puts wherever possible. Remove extra
2476 (gendef): Clear the first word of an RTX in the generator
2477 function, irrespective of ggc_p. Initialize '0' slots to
2479 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2480 thin wrapper macro around obstack_alloc.
2482 * stmt.c (expand_fixup): Use ggc_alloc.
2483 * c-typeck.c (add_pending_init): Use ggc_alloc.
2484 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2485 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2486 const0_rtx when it is created.
2487 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2488 we are not in a function.
2490 * tree.c (tree_class_check_failed): Make second arg an int.
2491 * tree.h: Update prototype.
2493 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2495 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2496 of an error_mark_node.
2498 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2500 * config/avr/avr.c (asm_output_section_name): bugfix.
2502 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2504 * timevar.def: Add TV_EXPAND.
2505 * timevar.c (timevar_print): Update timing information.
2506 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2508 * stmt.c (expand_return): Check for error_mark_node.
2510 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2512 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2514 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2515 variable against filename expansion when it contains "char *".
2517 * system.h (SSIZE_MAX): Delete backup definition.
2519 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2520 instead of SSIZE_MAX.
2522 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2524 * configure.in: Check whether gas supports -relax.
2525 * configure, config.in: Rebuilt.
2526 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2527 (EXTRA_SPECS): Add asm_relax.
2528 (ASM_SPEC): Add %(asm_relax).
2529 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2530 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2531 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2532 (ASM_SPEC): Add %(asm_relax).
2533 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2534 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2535 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2536 instead of mov, so that gas can further optimize it.
2538 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2540 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2542 (value_format, case dw_val_class_const): Use sdata format.
2543 (output_die): Call output_sleb128.
2545 2000-06-08 James E. Wilson <wilson@cygnus.com>
2547 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2548 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2549 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2550 (output_die, case dw_val_class_unsigned_const): Correct call to
2551 ASM_OUTPUT_DWARF_DATA8.
2552 (output_die, case dw_val_class_long_long): Use
2553 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2554 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2557 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2558 (output_function_prologue): Fix mispelling.
2559 (output_function_prologue, output_function_epilogue): Reorder to
2560 match ia64.c definition order.
2561 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2562 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2563 Use r3 instead of r2 for large stack restores.
2564 (ia64_output_end_prologue): New function.
2565 (process_set): Emit ".restore sp" for epilogue stack restores.
2566 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2568 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2570 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2573 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2575 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2577 2000-06-08 Denis Perchine <dyp@perchine.com>
2579 * frame.c (start_fde_sort): Don't malloc (0).
2581 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2583 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2585 * print-tree.c (print_node): The transparent_union_flag means
2586 different things for unions and arrays. Do not inspect it
2587 with TYPE_TRANSPARENT_UNION.
2589 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2591 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2594 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2596 * config/avr/avr.c (asm_output_section_name): output section
2598 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2600 2000-06-06 James E. Wilson <wilson@cygnus.com>
2602 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2603 fields into header field.
2604 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2605 macros to access length, flags, and version info from header field.
2606 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2607 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2608 (__do_global_ctors_aux): Fix caller.
2609 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2610 prologue_flag to header. Pass to read_P_record.
2611 (read_P_record): New argument header. Implement P4 format.
2612 Multiply P7_T_SIZE by 16.
2613 (execute_one_ia64_descriptor): New static local region_header. Pass to
2614 get_unwind_record. Copy r to region_header if r is a header record.
2615 (print_all_records): Likewise.
2616 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2617 (__get_personality, __get_except_table): Likewise.
2618 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2620 2000-06-06 Philipp Thomas <pthomas@suse.de>
2622 * configure.in (AC_C_INLINE): Added.
2623 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2624 * configure: Regenerate.
2626 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2628 * c-common.h (c_language_kind): New type.
2629 (c_language): New variab.e
2630 * c-common.c (lang_get_alias_set): Don't put structures in
2631 non-zero alias sets in C++.
2632 * c-decl.c (c_language): Define it.
2633 * c-lex.c (doing_objc_thang): Remove.
2634 * c-tree.h (doing_objc_thang): Make it a macro.
2635 * objc/objc-act.c (lang_decode_option): Set c_language, not
2638 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2640 * diagnostic.c (output_maximum_width): Remove.
2641 (doing_line_wrapping): Tweak.
2642 (diagnostic_buffer): New object.
2643 (global_output_buffer): New object.
2644 (output_destroy_prefix): New function.
2645 (default_initialize_buffer): Likewise.
2646 (reshape_diagnostic_buffer): Likewise.
2647 (initialize_diagnostics): Likewise.
2648 (output_clear): Tweak.
2649 (line_wrapper_printf): Adjust call to init_output_buffer.
2650 (vline_wrapper_message_with_location): Likewise. Use
2651 output_destroy_prefix.
2652 (v_message_with_decl): Likewise.
2654 * diagnostic.h (struct output_buffer): Constify prefix.
2655 (init_output_buffer, output_get_prefix): Constify.
2656 (diagnostic_message_length_per_line): Likewise.
2657 (reshape_diagnostic_buffer): Declare.
2658 (default_initialize_buffer): Declare.
2659 (initialize_diagnostics): Declare.
2660 (diagnostic_buffer): Declare new obbject.
2662 * toplev.c: #include diagnostic.h
2663 (display_help): Document diagnostic formatting options.
2664 (decode_f_option): Handle diagnostic formatting options.
2665 (main): Setup initialization for diagnostic messages outputter.
2667 * toplev.h (set_message_length): Remove.
2669 * Makefile.in (toplev.o): Depends upon diagnostic.h
2671 * invoke.texi : Document diagnostics formatting options.
2673 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2675 * configure.in (Make the links): Typo fix : the file that must be
2676 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2677 * configure: File rebuilt.
2679 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2681 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2682 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2684 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2685 emergency eh_context buffer, if malloc fails.
2686 (__eh_free): Moved from cp/exception.cc. Release to emergency
2687 eh_context buffer, if appropriate.
2689 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2691 * expr.c (store_expr): Fix typo.
2693 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2695 * m68k.c (legitimize_pic_address): Move prototype ...
2697 * m68k-protos.h (legitimize_pic_address): ... here.
2699 * m68k.md (legitimize_pic_address): Delete prototypes.
2700 (untyped_call): Invoke GEN_CALL(), not gen_call().
2702 * nextstep.c: Include system.h and toplev.h.
2703 (get_directive_line): Don't prototype.
2704 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2706 * nextstep.h (handle_pragma): Prototype.
2707 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2708 objc_section_init ...
2709 (EXTRA_SECTION_FUNCTIONS): ... here.
2711 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2713 * sdbout.c (struct sdb_file): NAME now const.
2714 (sdbout_init): input_file_name now const.
2715 (sdbout_start_new_source_file): FILENAME now const.
2716 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2718 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2720 * c-typeck.c (build_conditional_expr): Handle complex data types.
2722 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2724 * explow.c (maybe_set_unchanging): New function, broken out from...
2725 (set_mem_attributes): Here.
2726 * expr.h: Declare it.
2727 * stmt.c (expand_decl): Call it.
2729 2000-06-05 Richard Henderson <rth@cygnus.com>
2731 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2732 while looking for a register to inherit from.
2734 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2736 * Makefile.in (libgcc.ready): Lose.
2737 (libgcc.mk): Just use mv, not move-if-change.
2738 (LIBGCC_DEPS): New macro.
2740 (stmp-multilib): Likewise.
2741 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2742 it rather than the directories themselves.
2743 (LIB2ADD): Depend on the list file rather than 'force'.
2745 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2746 cv-qualified versions of types.
2748 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2750 * config/sparc/sparc.c (short_branch): Correct error in range
2753 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2755 * fixinc/inclhack.def: New include hacks for ultrix.
2756 * (nested_ultrix): Replaced by ultrix_nested_svc.
2757 * (ultrix_atof_param): test_text string added.
2758 * (ultrix_ifdef): Modified select string.
2760 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2762 * objc/objc-act.c (generate_method_descriptors): Register
2763 objc_method_prototype_template as a GC root.
2764 (comp_method_with_proto): Register function_type as a GC root.
2765 (comp_proto_with_proto): Replace function_type1 and
2766 function_type2 with a two-element array; register it as a GC root.
2768 (generate_protocols, build_protocol_initializer,
2769 generate_protocol_list, build_category_initializer,
2770 build_shared_structure_initializer): Do not cache cast_type
2773 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2775 * function.c (assign_parms): Add missing argument to set_mem_attributes
2778 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2780 * tree.h (VOID_TYPE_P): New macro.
2781 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2782 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2783 (get_parm_info): Likewise.
2784 (store_parm_decls): Likewise.
2785 (combine_parm_decls): Likewise.
2786 (finish_function): Likewise.
2787 * c-typeck.c (build_function_call): Likewise.
2788 (build_binary_op): Likewise.
2789 (build_conditional_expr): Likewise.
2790 (internal_build_compound_expr): Likewise.
2791 (convert_for_assignment): Likewise.
2792 * stmt.c (expend_expr_stmt): Likewise.
2793 (warn_if_unused_value): Likewise.
2794 (expand_return): Likewise.
2795 * c-parse.in (primary): Likewise.
2796 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2797 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2799 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2801 * alias.c (get_alias_set): If compnent is addressable, use alias
2803 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2804 (grokdeclarator): Likewise.
2805 * c-typeck.c (common_type): Likewise.
2807 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2809 * Makefile.in (OBJS): Remove dyn_string.o
2810 (dyn-string.o): Delete rule.
2811 * dyn-string.c: Delete file
2812 * dyn-string.h: Likewise.
2814 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2816 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2819 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2821 * alias.c (record_component_aliases): Don't inspect
2822 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2824 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2826 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2827 it with the pattern to do machine dependent work.
2828 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2829 use it to modify the true/false tests used in conditional
2830 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2831 defined, invoke them if the conversion to conditional execution
2832 was successful or not.
2834 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2835 (IFCVT_MODIFY_INSN): Ditto.
2836 (IFCVT_MODIFY_FINAL): Ditto.
2837 (IFCVT_MODIFY_CANCEL): Ditto.
2839 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2841 * toplev.c (main): Fix misspellings of possibility and language.
2843 2000-06-03 Richard Henderson <rth@cygnus.com>
2845 * alias.c (record_alias_subset): Initialize has_zero_child in the
2848 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2850 * arm.md (untyped_call): Use GEN_CALL macro.
2852 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2854 * Makefile.in: Use $(MAKE) not "make"
2856 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2858 * alias.c (struct alias_set_entry): New field has_zero_child.
2859 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2860 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2862 Call record_component_aliases for aggregate types.
2863 (record_alias_subset): Set has_zero_child.
2864 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2865 TYPE_NONALIASES_COMPONENT.
2866 (record_component_aliases, case RECORD_TYPE): Test
2867 DECL_NONADDRESSABLE_P.
2868 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2869 of TREE_ADDRESSABLE.
2870 * calls.c (initialize_argument_information): Only test
2871 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2872 * function.c (assign_parms): Likewise.
2873 * integrate.c (function_cannot_inline_p): Likewise.
2874 * stor-layout.c (finish_record_layout): Don't call
2875 record_component_aliases.
2876 * tree.h (struct tree_int_cst): Use struct tree_common.
2877 (struct tree_real_cst, struct tree_string): Likewise.
2878 (struct tree_complex, struct tree_identifier): Likewise.
2879 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2880 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2881 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2882 (TYPE_NONALIASES_COMPONENT): New macro.
2883 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2884 (DECL_NONADDRESSABLE_P): New macro.
2885 (struct tree_decl): Reorder bits for clarity of how many left;
2888 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2890 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2891 * mklibgcc.in (force): New target.
2892 Make LIB2ADD stuff depend on it.
2894 2000-06-02 Richard Henderson <rth@cygnus.com>
2896 * alias.c (lang_get_alias_set): Remove.
2897 (get_alias_set): Call it directly, not indirectly.
2898 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2899 * c-common.h (c_get_alias_set): Don't declare.
2900 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
2901 * expr.h (lang_get_alias_set): Declare as function, not pointer.
2903 2000-06-02 Bruce Korb <bkorb@gnu.org>
2905 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
2906 (server_setup): define the server's master pid
2907 (close_server): actually do the deed IFF we are the server's master
2909 2000-06-02 Jakub Jelinek <jakub@redhat.com>
2911 * c-common.c (c_get_alias_set): Check whether signed_type did not
2912 return its argument before calling get_alias_set on the result.
2914 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
2916 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2918 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2920 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
2921 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
2922 for TARGET_NOMACSAVE.
2923 (NOMACSAVE_BIT): Define.
2924 (TARGET_NOMACSAVE): Define.
2925 (TARGET_SWITCHES): Add "nomacsave".
2927 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
2929 * sh.md (untyped_call): Remove excess parameters
2931 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
2933 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
2934 match that used before the conversion to c_fix style.
2935 * fixinc/fixincl.x: regenerate
2937 2000-06-01 Stan Cox <scox@cygnus.com>
2939 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
2940 macro argument typo.
2942 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
2944 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
2946 * cpplib.c (parse_include): Remove support for VAX-C
2947 "#include starlet" misfeature.
2949 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
2951 * cppfiles.c: conditionally define O_BINARY.
2952 (open_include_file): pass O_BINARY to open().
2954 2000-06-01 Richard Henderson <rth@cygnus.com>
2956 * i960.c (i960_br_predict_opcode): Remove.
2957 (i960_print_operand) [+]: Emit branch prediction hints.
2958 (i960_function_arg): Return early for VOIDmode.
2959 (i960_round_align): Return early for incomplete types.
2960 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2961 * i960.md (all conditional branches): Add "%+".
2963 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2965 * alias.c (get_alias_set): Don't call language-specific routine more
2966 than is needed and clean up code a bit.
2967 * c-common.c (c_get_alias_set): All references whose type
2968 is char get alias set 0, but character types need not.
2969 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
2970 (make_decl_rtl): Don't call it for FUNCTION_DECL.
2972 2000-06-01 Bruce Korb <bkorb@gnu.org>
2974 * fixinc/tests/base/...: new base result files
2976 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2978 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
2979 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
2980 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
2983 2000-06-01 Richard Henderson <rth@cygnus.com>
2985 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
2987 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
2989 2000-05-31 Richard Henderson <rth@cygnus.com>
2991 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
2992 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
2993 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
2995 2000-05-31 Richard Henderson <rth@cygnus.com>
2997 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
2998 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
2999 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3000 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3001 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3003 2000-05-31 Richard Henderson <rth@cygnus.com>
3005 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3007 2000-05-31 Richard Henderson <rth@cygnus.com>
3009 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3011 (find_if_block): Allow THEN with no outgoing edges.
3012 * flow.c (merge_blocks_nomove): Remove a barrier not following
3015 2000-05-31 Richard Henderson <rth@cygnus.com>
3017 * flow.c (propagate_block): Move initialization of mem_set_list ...
3018 (init_propagate_block_info): ... here. Also track blocks with
3019 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3021 2000-05-31 Richard Henderson <rth@cygnus.com>
3023 * jump.c (jump_optimize_1): Revert 05-18 change.
3025 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3027 * invoke.texi: Remove documentation for -fguiding-decls.
3029 2000-05-31 Richard Henderson <rth@cygnus.com>
3031 * configure.in: Fix typo last change.
3033 2000-05-31 Philipp Thomas <pthomas@suse.de>
3035 * configure.in (enable-nls): Enable if build == host, i.e. when
3036 not building a canadian cross compiler.
3037 (enable-maintainer-mode): Added for use with i18n.
3038 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3039 cross section of ALL_LINGUAS and LINGUAS.
3040 * configure: Rebuild.
3042 2000-05-31 Bruce Korb <bkorb@gnu.org>
3044 * fixinc/check.tpl: rework to use test result tree
3045 * fixinc/Makefile.in: change invocation of check script
3046 * fixinc/check.diff: No longer needed
3047 * fixinc/fixincl.x: regenerate
3048 * fixinc/inclhack.def: add new tests
3049 * fixinc/tests/base/arch/i960/archI960.h: New test result
3050 * fixinc/tests/base/curses.h: modified test result
3051 * fixinc/tests/base/stdio.h: ditto
3052 * fixinc/tests/base/time.h: ditto
3053 * fixinc/tests/base/sys/asm.h: ditto
3054 * fixinc/tests/base/sys/stat.h: ditto
3055 * fixinc/tests/base/sys/wait.h: ditto
3057 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3059 * except.c (clear_function_eh_region): Do not free NULL.
3061 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3063 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3064 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3065 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3066 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3067 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3068 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3069 (get_alias_set): Likewise.
3070 Major rework to do more things and allow language-specific code
3071 to just handle special-cases.
3072 (record_alias_subset): Args are HOST_WIDE_INT.
3073 (record_component_alias): Local vars are HOST_WIDE_INT.
3074 Don't handle COMPLEX_EXPR.
3075 (get_varargs_alias_set): Moved from builtins.c.
3076 (get_frame_alias_set): New function.
3077 * builtins.c (expand_builtin_return_address): Use frame alias set.
3078 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3080 (get_memory_rtx): Rework to use set_mem_attributes.
3081 (get_varargs_alias_set): Deleted from here.
3082 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3083 (c_find_base_decl): Deleted from here.
3084 (c_get_alias_set): Remove many cases and rework to just handle
3086 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3087 * c-decl.c (rtl.h, expr.h): Now included.
3088 (init_decl_processing): Call record_component_aliases on array types.
3089 (grokdeclarator): Likewise.
3090 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3091 * c-typeck.c (common_type): Call record_component_aliases for array.
3092 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3093 Set all save areas to the frame alias set.
3094 * calls.c (initialie_argument_information): Call set_mem_attributes.
3095 (compute_argument_addresses, expand_call): Likewise.
3096 * explow.c (set_mem_attributes): New function.
3097 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3098 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3099 LEN and OFFSET now HOST_WIDE_INT.
3100 (clear_by_pieces): Similar changes.
3101 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3102 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3103 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3104 (clear_by_pieces_1): Likewise.
3105 (emit_push_insn): Call set_mem_attributes.
3106 (expand_expr, case INDIRECT_REF): Likewise.
3107 (expand_expr, case VAR_DECL): Call change_address.
3108 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3110 (get_varargs_alias_set, get_frame_alias_set): New decls.
3111 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3112 (new_alias_set, set_mem_attributes): Likewse.
3113 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3114 (assign_stack_temp_for_type): Likewise.
3115 Can split slot even if alias set since can copy.
3116 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3117 (assign_temp): Use host_integerp and tree_low_cst.
3118 (put_var_into_stack): Properly handle SAVE_EXPR.
3119 (put_addressof_into_stack): Likewise.
3120 (assign_parms): Call set_mem_attributes.
3122 (fix_lexical_address): Put reference to chain into frame alias set.
3123 (expand_function_start): Call set_mem_attributes.
3124 * integrate.c (expand_inline_function): Likewise.
3125 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3126 * regmove.c (try_apply_stack_adjustment): Likewise.
3127 * reload.c (push_reload, make_memloc): Likewise.
3128 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3129 * rtl.def (MEM): Update comment.
3130 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3131 (move_by_pieces): Change length to HOST_WIDE_INT.
3132 (record_base_value, record_alias_subset): Delete from here.
3133 * stmt.c (expand_decl): Call set_mem_attributes.
3134 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3135 * toplev.c (compile_file): Call init_alias_once earlier.
3136 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3137 from here: now in alias.c.
3138 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3139 (struct tree_decl): Likewise.
3140 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3141 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3142 (output_constant_def, force_const_mem): Likewise.
3144 * flow.c (propagate_block): If block has no successors, stores to
3145 frame are dead if not used.
3147 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3149 * stmt (expand_end_case): Reorder conversion sequence for jump
3150 table to avoid extra truncations.
3152 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3154 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3155 in the block is more than just a simple conditional branch.
3156 (noce_process_if_block): Similarly.
3158 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3160 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3163 2000-05-30 Michael Meissner <meissner@redhat.com>
3165 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3166 instructions. Treat LO_SUM operations as loading the full integer
3169 2000-05-30 Richard Henderson <rth@cygnus.com>
3171 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3173 2000-05-30 Richard Henderson <rth@cygnus.com>
3175 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3177 2000-05-30 Bruce Korb <bkorb@gnu.org>
3179 * fixinc/tests/*: Added expected result files for fixinc's make check
3180 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3182 2000-05-30 Richard Henderson <rth@cygnus.com>
3184 * config/alpha/alpha.md (*setne_internal): Use match_operator
3185 instead of working down from insn.
3187 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3189 * invoke.texi (-Wtraditional): Update WRT function macros.
3191 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3193 * except.c (free_exception_table): Do not free NULL.
3195 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3197 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3198 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3201 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3203 * flow.c (mark_used_reg): If a register is unconditionally live,
3204 remove any conditional death information.
3206 2000-05-29 Richard Henderson <rth@cygnus.com>
3208 * final.c (current_output_insn): New.
3209 (final_scan_insn): Set it.
3210 * output.h: Declare it.
3212 2000-05-29 Richard Henderson <rth@cygnus.com>
3214 * stor-layout.c (finalize_record_size): Fix typo.
3216 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3219 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3221 * cpplib.h (cpp_reader): Remove if_stack. Change
3222 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3223 * cpphash.h (struct ihash): Change control_macro to a
3224 cpp_hashnode * and shorten name to cmacro.
3225 Add NEVER_REINCLUDE constant.
3227 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3228 Examine the cmacro node directly, no need to call cpp_defined.
3229 (_cpp_execute_include, read_include_file): Set cmacro to
3230 NEVER_REINCLUDE, not U"".
3231 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3232 (cpp_get_token): If pfile->skipping is true, discard text and
3233 keep scanning until we hit a directive; don't expand macros.
3235 * cpplib.c (struct if_stack): Remove if_succeeded, add
3236 was_skipping. Change control_macro to a cpp_hashnode * and
3237 shorten name to cmacro. Remove typedef IF_STACK.
3238 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3239 (conditional_skip, skip_if_group,
3240 consider_directive_while_skipping): Delete.
3241 (push_conditional): New.
3242 (_cpp_handle_directive): Don't process directives other than
3243 conditionals if we are skipping.
3245 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3246 Update to new scheme.
3247 (validate_else): Skip rest of line here, unconditionally.
3248 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3249 pfile->skipping off.
3251 (all): Remove `scare quotes' from error messages.
3253 2000-05-29 Richard Henderson <rth@cygnus.com>
3255 * function.c (emit_return_into_block): New line_note arg; emit it.
3256 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3257 for the close brace to accompany HAVE_return. Move all line notes
3258 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3260 2000-05-29 Richard Henderson <rth@cygnus.com>
3262 * longlong.h [__alpha] (count_leading_zeros): New.
3263 (count_trailing_zeros): New.
3264 (COUNT_LEADING_ZEROS_0): New.
3266 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3267 (alpha_split_conditional_move): New.
3268 * config/alpha/alpha-protos.h: Prototype them.
3269 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3270 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3271 * config/alpha/alpha.md: Update ffs cix commentary.
3273 (*nabssf2, *nabsdf2): New.
3274 (*mov[qhsd]icc_internal): Use add_operand.
3275 (if_then_else constant splitters): New.
3276 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3277 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3279 2000-05-29 Richard Henderson <rth@cygnus.com>
3281 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3282 a constant to NEG or NOT when conditions allow.
3284 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3285 unless both args are general_operand. Don't canonicalize plus
3286 to ior unless it helps.
3288 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3289 instead track register_life_up_to_date. Toggle no_new_pseudos
3292 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3294 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3295 so output_operand doesn't see them.
3297 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3299 * lcm.c (make_preds_opaque): Fix comment.
3300 (optimize_mode_switching): Use NORMAL_MODE instead of
3301 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3302 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3303 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3304 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3305 (MODE_USES_IN_EXIT_BLOCK): Delete.
3306 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3307 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3308 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3309 (MODE_NEEDED): Don't look for USE.
3310 (EPILOGUE_USES): Define.
3312 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3314 * mklibgcc.in (all): Variable initialised to `libgcc'.
3316 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3318 * toplev.h (skip_leading_substring): New macro.
3319 * toplev.c (decode_f_option): Use skip_leading_substring instead
3321 (decode_W_option): Likewise.
3323 2000-05-28 Nick Clifton <nickc@cygnus.com>
3325 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3328 2000-05-28 Richard Henderson <rth@cygnus.com>
3330 * regclass.c (record_operand_costs): Protect reg_changes_size
3331 with CLASS_CANNOT_CHANGE_SIZE.
3333 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3335 2000-05-28 Richard Henderson <rth@cygnus.com>
3337 * function.c (diddle_return_value): A pcc-style struct return
3340 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3342 * cppfiles.c: Read files in, using mmap if possible, then
3343 prescan them separately.
3344 (read_file, read_with_read): New functions.
3345 * cpplex.c: Don't define UCHAR_MAX.
3346 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3349 * cppinit.c (handle_option): Automatically define __cplusplus,
3350 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3351 the respective -lang switch.
3353 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3354 prototype): Move to...
3355 * cpplib.h: ... here. Rename struct hashnode to struct
3356 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3357 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3359 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3361 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3363 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3364 (class_can_change_size): New variable.
3365 (reg_changes_size): New variable.
3366 (init_reg_sets_1): Initialise class_can_change_size.
3367 (record_operand_costs): Remove subreg_changes_size.
3368 Don't pass it around. Instead update reg_changes_size.
3369 (regclass): Initialise and free reg_changes_size. If a register
3370 changes size, don't preference it to a class that contains
3371 registers that can't change size.
3372 (record_reg_classes): Don't look at subreg_changes_size.
3374 2000-05-27 Richard Henderson <rth@cygnus.com>
3376 * print-rtl.c (reg_names): Remove const.
3377 * regclass.c (reg_names): Likewise.
3378 * regs.h (reg_names): Likewise.
3379 * hard-reg-set.h (reg_names): Likewise.
3381 2000-05-27 Richard Henderson <rth@cygnus.com>
3383 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3385 2000-05-27 Richard Henderson <rth@cygnus.com>
3387 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3388 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3389 (alpha_expand_prologue): Emit prologue_mcount if needed.
3390 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3391 * config/alpha/alpha.md (prologue_mcount): New.
3392 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3393 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3394 * config/alpha/netbsd.h: Likewise.
3396 2000-05-27 Richard Henderson <rth@cygnus.com>
3398 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3399 change to config/elfos.h.
3401 2000-05-27 Richard Henderson <rth@cygnus.com>
3403 * Makefile.in (resource.o): Depend on except.h.
3404 * except.h (output_exception_table_data): Prototype.
3405 * genconfig.c (gen_peephole2): Prototype.
3406 * genemit.c (main): Include ggc.h.
3407 * genoutput.c: Revert parts of last change: include errors.h
3408 (main): Set progname.
3409 * recog.c: Include hard-reg-set.h before recog.h.
3410 * resource.c: Include except.h.
3412 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3414 (alpha_write_linkage): Protect with BUFSIZ.
3415 (alpha_need_linkage): Update prototype.
3416 * config/alpha/alpha.c (function_arg): Move VMS code here.
3417 (alpha_links_base): Remove.
3419 (mark_alpha_links_node, mark_alpha_links): New.
3420 (alpha_write_one_linkage): New.
3421 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3422 (alpha_write_linkage): Use splay_tree_foreach.
3423 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3424 to get the linkage symbol.
3425 (call_value_vms): Likewise.
3426 * config/alpha/elf.h (output_file_directive): Remove decl.
3427 (ctors_section, dtors_section): Prototype.
3428 (sbss_section, sdata_section): Prototype.
3429 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3430 (readonly_section, link_section, literals_section): Prototype.
3431 (ctors_section, dtors_section): Prototype.
3432 (vms_valid_decl_attribute_p): Remove decl.
3433 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3435 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3437 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3439 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3440 substituting the REG in a (subreg:X (reg:Y ...)).
3442 2000-05-28 Neil Booth <NeilB@earthling.net>
3444 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3445 first token of a line BOL. Update EOF code for this.
3446 Remove illegal directive check - it appears in the (not
3447 yet committed) caller.
3448 * cpplib.h (BOL): New flag.
3450 2000-05-28 Neil Booth <NeilB@earthling.net>
3452 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3453 (_cpp_free_toklist): No comment space to free.
3454 (expand_comment_space): Remove.
3455 (save_comment_space): Place the comment in the current token and
3456 not in a separate comment space.
3457 (_cpp_lex_line): Save comments during plain code and #define
3459 * cpplib.h (struct _cpp_toklist): Remove comment space.
3461 2000-05-28 Neil Booth <NeilB@earthling.net>
3463 * cppexp.c (parse_assertion): Supply extra argument to
3465 * cpplib.c (do_assert, do_unassert): Similarly.
3466 * cpphash.h (_cpp_init_toklist) Update.
3467 (_cpp_expand_token_space): New.
3468 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3469 * cpplex.c (_cpp_init_toklist): New argument.
3470 (parse_string2): New argument multiline_ok.
3471 (spell_token): Take a const cpp_token *.
3472 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3473 (SPELL_ macros): Replace with enum.
3474 (expand_token_space): Replace with _cpp_expand_token_space.
3475 Take COUNT argument.
3476 (IS_DIRECTIVE): Update.
3477 (_cpp_lex_line): Update token structure before parsing number.
3478 Don't assume start at beginning of token list.
3479 (save_comment): Use INIT_TOKEN_NAME.
3481 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3483 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3484 -Wmissing-prototypes.
3485 * configure: Regenerate.
3486 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3488 * builtins.c, calls.c: Change all instances of gen_call_* or
3489 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3490 * calls.c (struct_value_size_rtx): Separate definition from
3491 initialization to avoid unused variable warning.
3493 * genflags.c (gen_macro): New function.
3494 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3495 (gen_nonproto): Delete.
3496 (gen_insn): Put all insns on the same obstack.
3497 (main): Generate prototypes for everything unconditionally.
3499 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3500 out check for wchar_t.
3501 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3502 * system.h: Add infrastructure for defining missing
3503 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3504 definitions of UCHAR_MAX and SSIZE_MAX.
3505 * configure: Regenerate.
3506 * config.in: Regenerate.
3508 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3509 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3511 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3512 libgcc2.a, or libgcc1.null.
3514 2000-05-27 Richard Henderson <rth@cygnus.com>
3516 * Makefile.in (recog.o): Don't depend on resource.h.
3517 * recog.c: Don't include resource.h.
3518 (recog_last_allowed_insn): Remove.
3519 (recog_next_insn): Remove.
3520 (struct peep2_insn_data): New.
3521 (peep2_insn_data, peep2_current): New.
3522 (peep2_next_insn): New.
3523 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3524 (peep2_find_free_register): New.
3525 (peephole2_optimize): Track life information by insn as we go.
3526 * recog.h: Update declarations.
3527 * resource.c (find_free_register, reg_dead_p): Remove.
3528 * resource.h: Remove their declarations.
3529 * toplev.c: Include hard-reg-set.h before recog.h.
3531 * genconfig.c (max_insns_per_peep2): New.
3532 (gen_peephole2): New.
3534 * genemit.c (output_peephole2_scratches): Generate calls to
3535 peep2_find_free_register; adjust surrounding code.
3536 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3537 * genrecog.c (change_state): Don't track last_insn.
3538 (write_action): Write into *_pmatch_len before accepting.
3539 (write_tree): Adjust peephole2_insns and subroutines to match.
3541 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3543 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3544 (hard_int_register_operand): New.
3545 * config/alpha/alpha-protos.h: Declare it.
3546 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3547 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3548 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3550 2000-05-27 Richard Henderson <rth@cygnus.com>
3552 * function.c (thread_prologue_epilogue_insns): Don't move the
3553 line note at the head of the chain. Only force a lineno note
3554 before the end of block 0.
3556 2000-05-27 Richard Henderson <rth@cygnus.com>
3558 * gensupport.c (collect_insn_data): Record the maximum number
3559 of alternatives, not the last seen.
3561 * genoutput.c: Don't include errors.h.
3562 (struct data): Add lineno member.
3564 (scan_operands): Use message_with_line instead of error.
3565 (validate_insn_alternatives): Likewise.
3566 (gen_insn): Accept and store the pattern's line number.
3567 (gen_peephole, gen_expand, gen_split): Likewise.
3568 (main): Don't set progname. Pass line_no to gen_foo.
3570 2000-05-27 Richard Henderson <rth@cygnus.com>
3572 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3573 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3574 * config/d30v/d30v.md (attr predicable): New.
3575 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3576 (andsi3*): Unify into one pattern.
3577 (iorsi3*, xorsi3*): Likewise.
3578 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3580 (old cond_exec patterns): Remove.
3581 (define_cond_exec): New.
3583 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3585 * tree.h (TREE_CODE_LENGTH): New macro.
3586 * c-common.c (c_find_base_decl): Use it.
3587 * expr.c (safe_from_p): Likewise.
3588 * print-tree.c (print_node): Likewise.
3589 * tree.c (make_node, copy_node, get_identifier): Likewie.
3590 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3591 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3592 * fold-const.c (make_range): Likewise.
3593 (fold): Likewise; also use first_rtl_op.
3594 * c-iterate.c (collect_iterators): Use first_rtl_op.
3595 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3596 Use IS_EXPR_CODE_CLASS.
3597 (preexpand_calls): Likewise.
3598 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3599 and TREE_CODE_LENGTH.
3600 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3602 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3604 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3606 (movdi_internal64): Likewise.
3608 * config/rs6000/rs6000.md: Correct order of operands for DImode
3611 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3612 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3613 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3614 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3615 boolean_operator for the boolean patterns without NOTs.
3617 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3618 from reg_or_u_cint_operand. Change comment and behaviour.
3619 (logical_operand): Clean up, add assertion.
3620 (non_logical_cint_operand): Also check for
3621 reg_or_logical_cint_operand.
3622 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3623 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3629 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3631 * tree.h (struct record_layout_info): Rename to (struct
3632 record_layout_info_s).
3633 * stor-layout.c (start_record_layout): Replace
3634 `record_layout_info' with `record_layout_info_s'.
3636 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3638 * flow.c (find_label_refs): New function.
3639 (find_basic_blocks_1): Call it for each alternative of a call
3642 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3644 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3647 2000-05-25 Richard Henderson <rth@cygnus.com>
3649 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3650 so strict about DImode.
3651 (alpha_swapped_comparison_operator): Likewise.
3652 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3653 any integer output mode.
3654 (*setcc_internal): Likewise.
3655 (*setcc_swapped_internal): Likewise.
3656 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3657 (*mov[qhs]icc_internal): New.
3658 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3660 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3662 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3664 2000-05-25 Richard Henderson <rth@cygnus.com>
3666 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3667 Remove add_jump; add next; replace flags with visited.
3669 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3670 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3671 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3672 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3674 (reorder_index, reorder_last_visited): Remove.
3675 (skip_insns_after_block): Rewrite to use a switch.
3676 (get_common_dest): Remove.
3677 (chain_reorder_blocks): Remove.
3678 (record_effective_endpoints): Split out from reorder_basic_blocks.
3679 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3680 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3681 Only construct the reorder chain, do not move insns. Try harder
3683 (label_for_bb, emit_jump_to_block_after): New.
3684 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3685 and adjust the jump insns appropriately. Fixup basic_block_info.
3686 (verify_insn_chain): Always define.
3687 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3689 (make_new_scope): Don't write zeros to calloc'd space.
3690 (build_scope_forest): Rely on xrealloc to DTRT.
3691 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3692 profile_arc_flag. Streamline EH test.
3694 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3695 * basic-block.h: Declare them.
3697 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3699 * emit-rtl.c (reset_used_decls): New function.
3700 (unshare_all_rtl_again): Call it.
3702 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3704 * cpplex.c (maybe_macroexpand): Warn about function-like
3705 macros used in non-function context, if -Wtraditional.
3707 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3709 * recog.c (peephole2_optimize): Use INSN_P.
3711 2000-05-25 Richard Henderson <rth@cygnus.com>
3713 * ifcvt.c (seq_contains_jump): New.
3714 (noce_try_store_flag_constants): Use it to fail conversion.
3715 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3717 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3719 * except.h (can_throw): Declare it.
3720 * except.c (can_throw): Give it external linkage.
3721 * resource.c (find_dead_or_set_registers): Use can_throw.
3723 2000-05-25 Richard Henderson <rth@cygnus.com>
3725 * flow.c (mark_set_1): Don't record conditionally dead memory.
3727 2000-05-25 Jan Hubicka <jh@suse.cz>
3729 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3730 and pc_set at the place of simplejump_p and condjump_p.
3731 * cse.c (record_jump_equiv): Likewise.
3732 * emit-rtl.c (emit): Likewise.
3733 * explow.c (find_next_ref): Likewise.
3734 * flow.c (tidy_fallthru_edge): Likewise.
3735 (init_propagate_block_info): Likewise.
3736 * gcse.c (delete_null_pointer_checks): Likewise.
3737 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3738 dead_or_predicable): Likewise.
3739 * integrate.c (copy_insn_list): Likewise.
3740 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3741 for_each_insn_in_loop, check_dbra_loop, get_condition,
3742 insert_bct, load_mems): Likewise.
3743 * resource.c (find_dead_or_set_registers): Likewise.
3744 * sibcalls.c (simplejump_p): Likewise.
3745 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3747 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3749 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3750 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3752 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3753 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3754 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3755 * rs6000.md: Name various internal patterns.
3757 2000-05-25 Jan Hubicka <jh@suse.cz>
3759 * jump.c (invert_exp_1): Remove first argument, use pc_set
3760 to get the expression.
3761 (redirect_exp): Make static; redirect only the pc_set expression,
3762 remove first argument.
3763 (invert_exp): Remove first argument, make static.
3764 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3765 any_onlyjump at most places where we originaly did condjump_p
3767 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3768 (delete_barrier_succesors): Use pc_set.
3769 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3770 calls of invert_exp and redirect_exp.
3771 * rtl.h (redirect_exp, invert_exp): Remove.
3772 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3774 2000-05-25 Richard Henderson <rth@cygnus.com>
3776 * stmt.c (expand_end_bindings): Fix thinko last change.
3778 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3779 Andrew Haley <aph@cygnus.com>
3781 * except.c (func_eh_entry): Add emitted field.
3782 (new_eh_region_entry): Set emitted field to 0;
3783 (output_exception_table_entry): Only emit previously un-emitted data,
3784 and send it to the eh_data section.
3785 (output_exception_table): Break out common parts. Output
3786 exception table for entire compilation unit to eh_data section.
3787 (output_exception_table_data): Common parts of output_exception_table.
3788 Send output to eh_data section.
3789 (output_function_exception_table): Output exception table data for
3790 a single function to eh_data section.
3791 (free_exception_table): New external to free the table.
3792 * except.h (free_exception_table): Add prototype.
3793 (output_function_exception_table): Add prototype.
3794 * final.c (final_end_function): Output function exception table
3795 for IA64_UNWIND_INFO.
3796 (final_scan_insn): Emit any unwind directives for an insn.
3798 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3800 * frame.c: Remove all DWARF 2 specific code.
3801 * config/ia64/frame-ia64.c: New file.
3802 (gthread_stuff): Make all gthread available with
3804 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3805 (__register_frame_info, __register_frame): Move to common area of file.
3806 (__register_frame_info_table, __register_frame_table): Move to common i
3808 (__deregister_frame_info, __deregister_frame): Move to common area.
3809 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3810 (read_uleb128): New version for ia64.
3811 (get_unwind_record): Read the next IA-64 unwind record.
3812 (read_R_record): Read a region header record.
3813 (process_a_b_reg_code): X record helper.
3814 (read_X_record): Read an X format record.
3815 (read_B_record): Read a B format record.
3816 (P3_record_types): List of record types matching the P3 format.
3817 (P7_record_types): List of record types matching the P7 format.
3818 (P8_record_types): List of record types matching the P8 format.
3819 (read_P_record): Read a P format record.
3820 (init_ia64_reg_loc): Set default fields for a register.
3821 (init_ia64_unwind_frame): Set defaults for all register records.
3822 (execute_one_ia64_descriptor): Execute one descriptor record.
3823 (rse_address_add): Calculate the position of a local reg in memory.
3824 (normalize_reg_loc): Turn a location descriptor into a memory address.
3825 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3826 within a specified PC offset range.
3827 (get_real_reg_value): Given a register location, retrieve its value.
3828 (set_real_reg_value): Change the value of a register location.
3829 (copy_reg_value): Copy reg values, if needed.
3830 (copy_saved_reg_state): Copy all registers that need to be copied.
3831 (process_state_between): Normalize all frame register records that
3832 fall within the specified PC range.
3833 (frame_translate): Take a processed frame description, and turn
3834 everything into addresses.
3835 (build_ia64_frame_state ): Find and create frame state record for a PC.
3836 (get_personality): Get the personality routine for a given frame.
3837 (get_except_table): Get the exception table for a given frame.
3838 (record_name): Unwind record names for debugging.
3839 (print_record): Print and unwind record.
3840 (print_all_records): Print an entire unwind image.
3841 (__ia64_backtrace): Print a backtrace.
3842 (ia64_backtrace_helper): New function.
3843 (__register_frame_info_aux): New function.
3844 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3846 * frame.h (enum unw_record_type): New unwind record types.
3847 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3848 (struct unw_r_record, unwind_record): New unwind record structs.
3849 (struct unwind_info_ptr): Unwind information layout.
3850 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3852 (struct ia64_reg_loc): Register location description.
3853 (struct ia64_frame_state): Location of all registers in a frame.
3854 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3855 * libgcc2.c (__ia64_personality_v1): Personality routine.
3856 (__calc_caller_bsp): Calculate the bsp register for the caller's
3858 (ia64_throw_helper): Figure out who to return to and set up the
3860 (__throw): Throw routine.
3862 * output.h (assemble_eh_align, assemble_eh_label): New functions
3863 to generate EH info where we want it.
3864 (assemble_eh_integer): New function.
3865 * toplev.c (compile_file): Output module level exception table for
3867 (main): Set exceptions_via_longjump and flag_new_exceptions based
3868 on IA64_UNWIND_INFO too.
3870 * varasm.c (assemble_eh_label): Generate a label via
3871 ASM_OUTPUT_EH_LABEL if it has been specified.
3872 (assemble_eh_align): Generate an alignment directive via
3873 ASM_OUTPUT_EH_ALIGN if it has been specified.
3874 (assemble_eh_label): Generate an integer value via
3875 ASM_OUTPUT_EH_type if they have been specified.
3876 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3877 (ia64_init_builtins): Add __builtin_ia64_bsp
3878 and __builtin_ia64_flushrs.
3879 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3880 IA64_BUILTIN_FLUSHRS.
3881 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3882 IA64_BUILTIN_FLUSHRS.
3884 * config/ia64/ia64.md (flushrs): New insn to flush the register
3885 stack. Add to unspec list.
3887 * config/ia64/crtbegin.asm (frame_object): Change size.
3888 (__do_frame_setup_aux): New function.
3889 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3890 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3891 * Makefile.in (LIB2ADDEH): Add.
3892 (LIB2ADD): Use LIB2ADDEH.
3894 2000-05-24 Richard Henderson <rth@cygnus.com>
3896 * recog.c (offsettable_address_p): If mode size is zero, assume
3899 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
3901 * configure.in: Check for -Wno-long-long option support and improve
3902 handling of warning CFLAGS for stages 1 and 2.
3903 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
3904 * configure: Regenerate.
3906 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
3908 * gcc.texi: Remove contributor list. Instead include contrib.texi.
3909 * contrib.texi: New file.
3911 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3913 * loop.c (basic_induction_var): Avoid double recording of an increment.
3915 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3917 * Back out this patch:
3918 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
3919 * loop.h (struct induction): Add multi_insn_incr.
3920 * loop.c (basic_induction_var): New multi_insn_incr argument.
3921 Set it if we search back through previous insns for the biv.
3922 (record_biv): New multi_insn_incr argument; fill in struct induction.
3923 (strength_reduce): Discard an iv with multiple bivs, any of
3924 which require multiple insns to increment.
3926 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
3928 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3930 * rtl.h (loc_mentioned_in_p): Declare.
3931 * reload.c (loc_mentioned_in_p): Moved from here...
3932 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
3933 Fix loop increment for 'E' handling.
3934 * loop.c (strength_reduce): When doing biv->giv conversion,
3935 take multi-insn biv increments into account.
3937 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
3939 * stmt.c (expand_end_bindings): Look through NOTEs to find a
3942 2000-05-24 Mark Mitchell <mark@codesourcery.com>
3944 * calls.c (expand_call): Handle cleanups in tail-recursion
3945 arguments analagously to cleanups in sibling calls.
3947 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3949 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
3950 All callers changed.
3952 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3954 * expr.c (expand_assignment, store_expr, expand_expr,
3955 expand_expr_unaligned): Set in_check_memory_usage while emitting
3956 chkr_check_addr libcall.
3958 2000-05-24 Nick Clifton <nickc@cygnus.com>
3960 * fold-const.c (extract_muldiv): When constructing a
3961 multiplier/divisor, do not expect const_binop to correctly
3962 determine if overflow has occured, so check explicitly.
3964 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3966 * c-decl.c (build_enumerator): Don't modify the value's type,
3969 2000-05-24 Andreas Jaeger <aj@suse.de>
3971 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
3973 2000-05-24 Eric Christopher <echristo@cygnus.com>
3975 * configure.in: Redefine inhibit_libc conditions.
3976 * libgcc2.c: Remove inhibit_libc conditional define.
3977 * configure: Regenerate.
3979 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
3981 * configure.in: For --enable-languages=LIST, check for empty LIST.
3982 * configure: Regenerate.
3984 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
3986 * pdp11.h (STACK_BOUNDARY): Define.
3988 2000-05-24 Jakub Jelinek <jakub@redhat.com>
3990 * ifcvt.c (if_convert): Update life info globally.
3992 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3994 * emit-rtl.c (unshare_all_decls): New function.
3995 (unshare_all_rtl): Call it.
3997 2000-05-23 Nick Clifton <nickc@cygnus.com>
3999 * configure.in: Treat 'strongarm' as if it were 'arm' when
4000 determining cpu type.
4002 * configure: Regenerate.
4004 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4005 where constant strings are involved.
4007 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4010 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4011 cases where constant strings are involved.
4013 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4015 * config/sh/sh.c (gen_far_branch, split_branches): Update
4016 to reflect new prototypes for redirect_jump and invert_jump.
4017 (sh_insn_length_adjustment): Get rid of const warnings.
4019 2000-05-23 Kazu Hirata <kazu@hxi.com>
4021 * invoke.texi (Options for Debugging Your Program or GCC): Update
4022 the names of dump files.
4024 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4026 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4027 * configure: Regenerated.
4029 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4031 * simplify-rtx.c (SIGN_EXTEND): New macro.
4032 (simplify_unary_operation, simplify_binary_operation,
4033 simplify_relational_operation): Use SIGN_EXTEND. Make low
4034 halves of (low, high) pairs unsigned if they weren't already.
4035 (simplify_ternary_operation): Cast INTVAL to unsigned before
4036 comparing to a MODE_BITSIZE.
4038 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4040 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4041 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4043 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4044 gcc_AC_NEED_DECLARATIONS.
4046 * dwarfout.c: Don't prototype time().
4048 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4050 * system.h: Likewise.
4052 * toplev.c: Likewise.
4054 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4056 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4058 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4060 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4062 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4064 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4066 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4068 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4069 (alpha_start_function): Never write ..ng label if VMS or NT.
4070 (alpha_align_insns): Remove GP_IN_USE arg.
4071 Alignment now unsigned.
4072 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4073 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4074 and two define_insn's.
4076 2000-05-22 Richard Henderson <rth@cygnus.com>
4078 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4080 2000-05-22 Richard Henderson <rth@cygnus.com>
4082 * stor-layout.c (place_field): Change rli->size to rli->offset.
4084 2000-05-22 Richard Henderson <rth@cygnus.com>
4086 * function.c (thread_prologue_and_epilogue_insns): Make sure
4087 existing line number notes appear after the prologue.
4089 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4091 * config/alpha/alpha.c (alpha_fnname): New static variable.
4092 (print_operand, case '~'): New case.
4093 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4094 (alpha_start_function): Set alpha_fnname.
4095 Write "ng" label if no ldgp; don't write ldgp insn.
4096 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4097 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4099 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4101 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4104 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4106 * varasm.c (eh_frame_section): Revert change to argument list.
4108 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4110 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4111 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4113 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4114 dangling "else" that causes "break" to be conditional.
4115 Also remove unneeded code at start.
4117 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4119 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4120 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4121 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4123 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4125 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4128 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4130 * alias.c (record_component_aliases): New function.
4131 * tree.h: Clean up some declarations and comments.
4132 (record_component_aliases): New declaration.
4133 * tree.c (get_alias_set): If type and has alias set, use it.
4135 2000-05-22 Richard Henderson <rth@cygnus.com>
4137 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4138 IF_THEN_ELSE to a setcc form.
4139 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4141 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4143 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4144 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4146 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4148 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4151 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4153 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4154 * config/mn10300/mn10300.c (print_operand): Likewise.
4156 * final.c (split_double): Right shift of negative values is not
4159 * ifcvt.c (if_convert): Scan and kill dead code.
4161 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4163 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4165 * diagnostic.c: Eliminate implicit int.
4166 * except.c, gcc.c: Add static prototypes.
4167 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4168 * gensupport.c (process_rtx): Use XVEC to initialize vector
4171 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4172 debug_reg_names instead of static reg_names. If not, define
4174 * regclass.c: Don't define global reg_names unless
4175 DEBUG_REGISTER_NAMES is defined.
4177 * reload1.c (order_regs_for_reload): Remove unused variable.
4178 * varasm.c: Include output.h after defaults.h. Define
4179 eh_frame_section as function of no args, not of unspecified args.
4181 * gcc.c: Constify argbuf; arguments to store_arg,
4182 process_command, main; elements of struct command and struct
4183 switchstr; local variables in execute, process_command, main.
4185 2000-05-20 Bruce Korb <bkorb@gnu.org>
4187 * fixinc/inclhack.def: many applications of c_fix=format + tests
4188 * fixinc/check.diff: regenerated
4189 * fixinc/fixincl.x: regenerated
4191 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4193 * alias.c: Clarify some comments.
4194 (record_base_value): REGNO is unsigned.
4195 * rtl.h (record_base_value): Likewise.
4197 * alias.c (aliases_everything_p): Don't special-case QImode here.
4198 * c-common.c (c_get_alias_set): Do it here.
4199 Handle BIT_FIELD_REF by getting alias info for arg.
4202 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4204 * mklibgcc.in: Restore rule to create ${dir}.
4206 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4208 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4209 GCC_FOR_TARGET used by MULTILIBS.
4210 * mklibgcc.in: Make sure each .o file depends on the
4211 directory it will be in.
4212 Make the multilib directory depends libgcc.
4214 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4216 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4218 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4220 * fold-const.c (make_range): Handle degenerated intervals.
4221 Fixes c-torture/execute/991221-1.c
4223 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4225 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4226 * reload.c (find_equiv_reg): Likewise.
4227 * alias.c (init_alias_analysis): Likewise.
4228 Only call prologue_epilogue_contains on insns.
4229 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4230 * bb-reorder.c (hard-reg-set.h): Include earlier.
4231 * haifa-sched.c (hard-reg-set.h): Likewise.
4232 * ifcvt.c (hard-reg-set.h): Likewise.
4233 * local-alloc.c (hard-reg-set.h): Likewise.
4234 * loop.c (hard-reg-set.h): Likewise.
4235 * predict.c (hard-reg-set.h): Likewise.
4236 * regrename.c (hard-reg-set.h): Likewise.
4237 * flow.c (hard-reg-set.h): Likewise.
4238 (reg_set_to_hard_reg_set): New function.
4239 * bitmap.c (regs.h, basic-block.h): No longer include.
4240 (bitmap.h): Now include.
4241 * conflict.c (hard-reg-set.h): Include.
4242 * profile.c (hard-reg-set.h): Likewise.
4243 * print-rtl.c (hard-reg-set.h): Likewise.
4244 * sbitmap.c (hard-reg-set.h): Likewise.
4245 * toplev.c (hard-reg-set.h): Likewise.
4246 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4247 * hard-reg-set.h (reg_names): Now constant.
4248 * regs.h (reg_names): Likewise.
4249 * regclass.c (reg_names): Likewise.
4250 * loop.h (basic-block.h): No longer include.
4251 (bitmap.h): Now include.
4252 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4253 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4254 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4256 2000-05-19 Jan Hubicka <jh@suse.cz>
4257 Richard Henderson <rth@cygnus.com>
4259 * basic-block.h (struct edge_def): New field "count".
4260 (struct basic_block_def): Likewise.
4261 * flow.c (entry_exit_blocks): Add count fileds.
4262 (split_edge): Keep count information up-to-date.
4263 (dump_edge_info, dump_flow_info): Dump count fields.
4265 * final.c (count_instrumented_edges): Rename to edge from arc.
4266 (end_final): Update users.
4267 * profile.c: Include expr.h, basic-block.h.
4268 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4269 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4270 (ignore_next_note, return_label_execution_count): Kill.
4271 (bbg_file_name, da_file_name): Kill.
4272 (edge_info, bb_info): New structures.
4273 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4274 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4275 (total_num_edges_instrumented): Likewise.
4276 (init_arc, expand_spanning_tree): Kill.
4277 (fill_spanning_tree, tablejump_entry_p): Kill.
4278 (instrument_edges): Rewrite from instrument_arcs to use
4279 commit_edge_insertions infrastructure.
4280 (compute_branch_probabilities): Remove arguments; rewrite for
4281 CFG infrastructure; use rtl_dump_file directly.
4282 (branch_prob, find_spanning_tree): Likewise.
4283 (union_groups, find_group): New.
4284 (init_branch_prob): Make bbg_file_name and da_file_name local.
4285 (end_branch_prob): Use rtl_dump_file directly.
4286 (init_edge_profiler): Rename to edge from arc.
4287 (output_arc_profiler): Kill.
4288 (gen_edge_profiler): New.
4289 (output_func_start_profiler): Turn off profiling. Make the
4290 constructor static when we can.
4291 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4293 * toplev.c (DFI_flow): Remove.
4294 (DFI_cfg, DFI_life): New.
4295 (dump_file): Update accordingly.
4296 (compile_file): Call end_branch_prob if profile_arc_flag too.
4297 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4298 profiling after the CFG is built. Move flow1 life analysis to
4299 DFI_life. Always estimate remaining probabilities.
4301 2000-05-19 Richard Henderson <rth@cygnus.com>
4303 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4305 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4307 2000-05-19 Richard Henderson <rth@cygnus.com>
4309 * jump.c (redirect_jump): Add delete_unused argument. Don't
4310 remove labels and code following when LABEL_NUSES goes to zero.
4311 (invert_jump): Likewise.
4312 (jump_optimize_1): Fix redirect/invert arguments.
4313 (do_cross_jump, thread_jumps): Likewise.
4314 * flow.c (split_edge): Likewise.
4315 * reorg.c (optimize_skip): Likewise.
4316 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4317 * profile.c (instrument_arcs): Likewise.
4318 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4319 * rtl.h: Update prototypes.
4321 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4323 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4325 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4328 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4330 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4331 past l1 when deleting whitespace and markers.
4333 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4334 * cpplib.c (do_unassert): Put the list to compare against on
4337 2000-05-19 Bruce Korb <bkorb@gnu.org>
4339 * fixinc/README: cleaned up old documentation
4340 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4341 * fixinc/check.tpl: compute the list of needed directories
4342 emit "#if defined(name)" because of conflict
4343 omit machine name differences from output differences
4344 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4345 (machine_name): change test text to use `sed' markers
4346 * fixinc/fixincl.x: regen
4348 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4350 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4353 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4355 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4356 it to match the current practice.
4358 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4360 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4362 2000-05-18 Richard Henderson <rth@cygnus.com>
4364 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4365 * rtl.h (insn_dependant_p): Declare it.
4366 * loop.c (strength_reduce): Use it.
4368 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4370 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4371 16-bit and 64-bit clean-up.
4373 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4375 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4376 * configure: Rebuilt.
4378 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4380 * genopinit.c: Use $ for escape sequences in optab patterns.
4381 Remove backslashes from optab patterns. Change $A, $B, $C to
4382 expand to (int) whatever instead of just whatever; remove
4383 explicit (int) from all optab patterns.
4385 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4386 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4387 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4388 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4391 2000-05-18 Richard Henderson <rth@cygnus.com>
4393 * jump.c (jump_optimize_1): Base minimum insn count during
4394 find_cross_jump on BRANCH_COST.
4396 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4398 * print-rtl.c (print_rtx): Only print note line number as string
4399 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4400 * final.c (final_scan_insn): Do nothing for note line number 0.
4402 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4404 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4405 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4406 NOTE_INSN_DELETED_LABEL.
4408 2000-05-18 Nick Clifton <nickc@cygnus.com>
4410 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4411 uninitialised data in .rodata not .bss, and do not interpret an
4412 error in the initialisation value as meaning that the variable
4413 should be placed in the .bss section.
4415 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4417 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4418 not `$ac_cv_prog_cc_cc_c_o'.
4419 * configure: Regenerated.
4421 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4422 Richard Henderson <rth@cygnus.com>
4424 * c-common.h (enum c_tree_index): Add g77 type entries.
4425 (g77_integer_type_node, g77_uinteger_type_node): New.
4426 (g77_longint_type_node, g77_ulongint_type_node): New.
4427 * c-decl.c (init_decl_processing): Initialize them.
4429 2000-05-18 Richard Henderson <rth@cygnus.com>
4431 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4433 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4434 (small_power_of_two): Likewise; use exact_log2.
4435 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4436 (output_adds_subs): Remove.
4437 (two_insn_adds_subs_operand): New.
4438 (split_adds_subs): New.
4439 * config/h8300/h8300-protos.h: Update.
4440 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4441 (CONST_OK_FOR_L): Match strict adds operands.
4442 (CONST_OK_FOR_N): Match struct subs operands.
4443 * config/h8300/h8300.md (adds_subs insns): Remove.
4444 (addhi patterns): Output adds/subs directly.
4445 (addsi_h8300h): Likewise.
4446 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4448 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4450 * cppexp.c (parse_assertion): New.
4451 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4452 (_cpp_parse_expr): Remove case '#'. Don't set
4453 parsing_if_directive.
4454 * cpphash.c (collect_objlike_expansion,
4455 collect_funlike_expansion, collect_params,
4456 _cpp_create_definition): The list no longer has a trailing
4458 * cpphash.h (enum node_type): Add T_ASSERTION.
4459 (struct hashnode): Remove aschain, add pred.
4460 (struct predicate): New.
4463 * cpplex.c (expand_token_space): Handle both offset and
4465 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4466 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4467 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4468 _cpp_equiv_toklists): New.
4469 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4470 stop at any single-character token, not just newline.
4471 (_cpp_lex_token): Remove special cases for #define and #if.
4472 (cpp_get_token): Expect # as a separate token type. Remove
4474 (_cpp_get_directive_token): Remove DIRECTIVE case.
4475 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4477 * cpplib.c (_cpp_check_directive): Set dirno and
4478 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4479 (_cpp_handle_directive): Run # <number> through the same logic
4480 as normal directives.
4481 (do_define): Don't set parsing_define_directive. Use
4482 _cpp_scan_until. The list does not have a VSPACE at the end.
4483 (do_if): Save, clear, and restore only_seen_white around
4485 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4486 (do_assert, do_unassert): Rewrite.
4488 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4489 (LIST_OFFSET): New flag.
4490 (struct cpp_toklist): Replace dir_handler and dir_flags with
4492 (struct cpp_reader): Remove parsing_if_directive and
4493 parsing_define_directive.
4495 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4497 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4498 following the cabs decl which terminate on the following line.
4499 Add the corresponding test_text case.
4501 2000-05-18 Neil Booth <NeilB@earthling.net>
4503 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4504 default tab stop size.
4505 (no_num, OPT_ftabstop): New.
4506 (handle_option): Handle "ftabstop=" command-line option.
4507 (print_help): Document it.
4508 * cpplex.c (COLUMN): Remove.
4509 (handle_newline): Reset col_adjust.
4510 (skip_whitespace): Update col_adjust as tabs encountered.
4511 (_cpp_lex_line): Update to use col_adjust. Call
4512 skip_whitespace for all whitespace.
4513 * cpplib.h (struct cpp_options): New member tabstop.
4514 (struct cpp_reader): New member col_adjust.
4515 (CPP_BUF_COL): Update.
4516 (CPP_BUF_COLUMN): New.
4517 * cpp.texi: Document "-ftabstop=" command line option.
4519 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4521 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4523 * configure: Rebuilt.
4525 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4527 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4529 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4530 HOST_BITS_PER_WIDE_INT is >= 64.
4532 2000-05-17 Richard Henderson <rth@cygnus.com>
4534 * jump.c (jump_optimize_1): Remove inactive but real insns
4535 in jump-to-next-insn optimization.
4537 2000-05-17 Richard Henderson <rth@cygnus.com>
4539 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4540 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4541 Don't call recompute_reg_usage if no_new_pseudos is true.
4542 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4543 Return true if we did work; update global life information.
4544 * basic-block.h (optimize_mode_switching): Update decl.
4546 2000-05-17 Neil Booth <neilb@earthling.net>
4548 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4550 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4552 * cpplib.c: New feature, #pragma system_header.
4553 * cpp.texi: Document special treatment of system headers, and
4554 the various mechanisms to get a header that special treatment.
4556 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4558 * system.h (offsetof): Define at the very end, to ensure we prefer
4559 the platform's definition if available.
4561 2000-05-16 Bruce Korb <bkorb@gnu.org>
4563 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4564 * fixinc/server.c: likewise
4565 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4566 + #ifdef debugging code + use #def constant for
4568 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4569 on C++ math namespace
4571 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4573 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4574 Don't check the return value of sprintf. Use asprintf to avoid
4577 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4579 * flags.h (warn_unused_function, warn_unused_label,
4580 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4581 Replace ``warn_unused''.
4582 (set_Wunused): Add declaration.
4583 * toplev.c (set_Wunused): New function.
4584 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4585 warn_unused_variable, warn_unused_value): New variables.
4586 (W_options): Add -Wunused-function, -Wunused-function,
4587 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4588 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4590 * toplev.c (decode_W_option): Update -Wunused flags by calling
4592 * c-decl.c (c_decode_option): Ditto for -Wall.
4594 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4595 warn_about_unused_variables): Replace warn_unused with more
4596 explicit warn_unused_value et.al.
4597 * function.c (expand_function_end): Ditto.
4598 * c-typeck.c (internal_build_compound_expr,
4599 internal_build_compound_expr): Ditto.
4600 * c-decl.c (poplevel, pop_label_level): Ditto.
4601 * toplev.c (check_global_declarations): Replace warn_unused with
4602 check for either warn_unused_function or warn_unused_variable.
4604 * gcc.1, invoke.texi (Warning Options): Document
4605 -Wunused-function, -Wunused-function, -Wunused-label,
4606 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4608 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4610 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4611 $(srcdir), not in the current directory.
4613 2000-05-16 Richard Henderson <rth@cygnus.com>
4615 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4616 assembler supports it.
4617 (.fini, .init): Use a gp-relative indirect call.
4618 (__do_global_dtors_aux): Preserve the gp; rebundle.
4619 (__do_frame_setup): Likewise.
4620 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4621 (.init): Use a gp-relative indirect call.
4622 (__do_global_ctors_aux): Preserve the gp.
4624 2000-05-16 Richard Henderson <rth@cygnus.com>
4626 * flow.c (commit_one_edge_insertion): Be prepared for a return
4627 insn to be inserted on the edge with a normal jump.
4628 * jump.c (jump_optimize_1): Don't look to create return isns.
4630 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4631 * jump.c (jump_optimize_1): Likewise.
4632 (returnjump_p): Verify the argument is a JUMP_INSN.
4633 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4635 2000-05-16 Nick Clifton <nickc@cygnus.com>
4637 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4638 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4639 (large_insn_p): Ditto.
4640 (m32r_is_insn): New function: Return true if the insn contains
4641 an executable instruction.
4642 (m32r_adjust_insn): Use m32r_is_insn.
4643 (m32r_sched_reorder): Use m32r_is_insn.
4644 (m32r_sched_variable_issue): Use m32r_is_insn.
4646 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4648 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4651 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4653 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4654 according to given options.
4656 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4658 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4659 if X has VOIDmode either.
4660 (LIMIT_RELOAD_CLASS): Similarly.
4662 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4663 not "general_operand" to match the processor's capabilities.
4665 2000-05-16 Bruce Korb <bkorb@gnu.org>
4667 * fixinc/README: corrected return address
4668 * fixinc/check.diff: regenerate, now that test works
4669 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4670 (char_macro_def_fix,char_macro_use_fix): corrected and
4671 rewrote to use regex to parse the text
4672 * fixinc/inclhack.def: more testing
4673 * fixinc/fixincl.x: regenerated
4675 * fixinc/inclhack.def: added several "test_text" attributes
4676 changed several fixes to use `c_fix = format'
4677 re-alphabetized the fixes
4679 * fixinc/check.diff: regenerate
4680 * fixinc/fixincl.x: regenerate
4681 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4685 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4687 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4689 2000-05-15 Richard Henderson <rth@cygnus.com>
4691 * toplev.c (rest_of_compilation): Run full jump pass before
4692 find_basic_blocks of flow2.
4694 2000-05-15 Richard Henderson <rth@cygnus.com>
4696 * jump.c: Fix typos and clarify commentary from last change.
4697 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4698 (safe_to_remove_jump_p): Remove.
4699 (condjump_label): Use pc_set.
4701 2000-05-15 Richard Henderson <rth@cygnus.com>
4703 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4704 that get in the way after reload.
4705 (cond_exec_process_if_block): Skip a label heading THEN block.
4707 2000-05-15 Richard Henderson <rth@cygnus.com>
4709 * varasm.c (output_constant_pool): Abort instead of converting
4710 (improperly) deleted labels to zero.
4712 2000-05-16 Neil Booth <NeilB@earthling.net>
4714 * cpplex.c (parse_string2): Update comment.
4715 (cpp_lex_line): No special assertion treatment for '('.
4716 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4717 * cpplib.h (SYNTAX_ASSERT): Remove.
4719 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4721 * jump.c (condjump_p): Mark as depreached.
4722 (any_condump_p): New.
4723 (any_uncondump_p): New.
4725 (safe_to_remove_jump_p): New.
4726 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4727 safe_to_remove_jump_p): Declare.
4729 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4731 * calls.c: Re-install both patches reverted by last patch.
4732 (struct arg_data): New field tail_call_reg.
4733 (initialize_argument_information): Initialize tail_call_reg
4734 (load_register_parameters): New argument flags, use
4735 tail_call_reg when emiting tail call sequence.
4736 (expand_call): Update call of load_register_parameters;
4737 copy unadjusted_args_size to adjusted_args_size.
4739 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4741 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4742 and bct_p parameters to flags.
4743 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4744 * rtl.h (loop_optimize): Update prototype.
4745 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4747 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4749 * calls.c (expand_call): Move expand_start_target_temps call after
4752 2000-05-15 Neil Booth <NeilB@earthling.net>
4754 * cpphash.c (trad_stringify, warn_trad_stringify,
4755 collect_params): Make some pointers pointers to const.
4756 * cpplex.c (auto_expand_name_space) Guaranteed to always
4757 expand by at least one character.
4758 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4759 (struct token_spelling): Use const U_CHAR * rather than PTR.
4760 (expand_name_space): Fix up token pointers if name space
4761 is moved when expanding.
4762 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4763 parse_string2, save_comment, spell_token, cpp_output_list):
4764 Update so the routines handle tokens with a direct pointer to
4765 their text, rather than an offset into the token's list's namebuf.
4766 (_cpp_lex_line): Rearrange for clarity.
4768 * cpplib.c (_cpp_check_directive): Similarly.
4769 (do_define): Make SYM a pointer to const.
4770 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4771 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4772 (TOK_OFFSET): Delete.
4775 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4777 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4780 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4782 (logical_u_operand): Delete.
4783 (non_logical_cint_operand): Rewrite to take MODE into account.
4784 (non_logical_u_cint_operand): Delete.
4785 (boolean_operator): New function.
4786 (print_operand): Add new %q operand.
4787 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4788 remove logical_u_operand and non_logical_u_cint_operand,
4789 update logical_operand and non_logical_cint_operand.
4790 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4791 logical operations to use %q.
4793 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4794 (movdi): Make similar to movsi.
4795 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4796 is no such thing as a DImode CONST_DOUBLE.
4797 * config/rs6000/rs6000.c (output_toc): Likewise.
4799 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4800 codes when old mnemonics are in use. Print register names
4801 for cc registers when requested.
4803 * optabs.c (expand_float): Don't allow mode widening that causes
4806 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4807 flags to their current names -maix64 and -maix32.
4809 2000-05-14 Bruce Korb <bkorb@gnu.org>
4811 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4812 and/or after current text of file
4813 * fixinc/fixlib.c(must_malloc):
4814 * fixinc/fixlib.h(must_malloc): + reformatting
4815 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4816 with usages of ``c_fix = wrap;''
4817 Add several tests and use the ``c_fix = format'' fixer more.
4818 * fixinc/fixincl.x: regen
4819 * fixinc/check.diff: regen
4820 * fixinc/check.tpl: emit the associated header with the missing
4823 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4825 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4826 variables $src and $dst.
4828 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4830 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4831 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4832 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4833 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4835 (set_message_prefixing_rule): Declare.
4837 * diagnostic.c: (current_prefixing_rule): New variable.
4838 (set_message_prefixing_rule): Define.
4839 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4840 (init_output_buffer): Adjust Initialization.
4841 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4843 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4845 * ifcvt.c (if_convert): Do not free NULL.
4847 2000-05-12 Nick Clifton <nickc@cygnus.com>
4849 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4850 to move a double word value.
4851 (di_operand): New function: Return true if the operand is suitbale
4852 for a double word move operation.
4853 (nonimmediate_di_operand): New function: Return true if the
4854 operand is a DImode register or MEM.
4856 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4857 nonimmediate_di_operand.
4859 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4860 nonimmediate_di_operand.
4862 * config/fr30/fr30.md (movdi): New pattern. Required because
4863 other patterns generate DImode results.
4864 (movdi_insn): New pattern.
4866 2000-05-12 Richard Henderson <rth@cygnus.com>
4868 * config/alpha/alpha.c (struct shadow_summary): Define
4869 bitfields as type unsigned int.
4871 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4873 * config/avr/t-avr: Added definition of FLOAT while generates
4876 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4877 peepholes for tst+jump = sbrs/sbrc optimization.
4879 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4881 * expr.c (emit_push_insn): Do not adjust stack pointer when
4884 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4886 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4887 * system.h (offsetof): ... to here.
4889 2000-05-12 Richard Henderson <rth@cygnus.com>
4891 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4892 * final.c (final_end_function): Use app_disable. Rearrange note
4893 handling into a switch. Emit deleted labels.
4894 (output_asm_label): Generate label strings for deleted labels.
4895 * flow.c (tail_recursion_label_list): New.
4896 (find_basic_blocks_1): Set label_value_list directly. Collect list
4897 of tail recursion labels from call_placeholders. Don't add deleted
4898 labels to the label value list.
4899 (cleanup_cfg): Use free_EXPR_LIST_list.
4900 (flow_delete_insn_chain): Turn non-removable labels into notes.
4901 (flow_delete_block): Don't disable deleting the block because of
4902 a non-removable label.
4903 (tail_recursion_label_p): New.
4904 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
4906 (merge_blocks_move_successor_nojumps): Likewise. Also move a
4908 (merge_blocks): Disable a merge because of tail recursion labels.
4909 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
4910 Use a more accurate measure of not merging the join block.
4911 (find_if_block): Don't disable conversion because of a label.
4912 (find_if_case_1, find_if_case_2): Likewise.
4913 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
4914 element when copying.
4915 (squeeze_notes): Also leave EH notes.
4916 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
4918 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
4920 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
4921 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
4922 referring to a deleted label. Convert tail handling to a switch.
4923 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
4924 for NOTE_INSN_DELETED_LABEL.
4925 (NOTE): Fix commentary.
4926 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
4927 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
4928 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
4929 (LABEL_NUSES, LABEL_REFS): Likewise.
4930 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
4932 2000-05-12 Bruce Korb <bkorb@gnu.org>
4934 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
4935 * fixinc/check.diff: updated
4936 * fixinc/inclhack.def: corrected & added some test_text-s
4937 * fixinc/genfixes: removed unneeded options to autogen invocation
4938 * fixinc/fixincl.tpl: Specified the output file
4939 * fixinc/fixfixes.c: visual appearance
4940 * fixinc/fixincl.x: regenerate
4942 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
4944 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
4945 CTRL_defn_fix): Delete.
4946 (fix_char_macro_defines, fix_char_macro_uses): Rename to
4947 char_macro_def_fix and char_macro_use_fix, respectively. Put
4948 them into the FIXUP_TABLE. Get the string to search for from
4951 (format_write): New function.
4952 (format_fix): Use it.
4954 (FIX_PROC_HEAD): Constify text parameter.
4955 (machine_name_fix): Constify all char *s.
4956 * fixtests.c (skip_quote): Remove double static.
4958 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
4959 ctrl_use_quotes): Update for new scheme.
4960 * fixincl.x: Regenerate.
4962 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
4964 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
4966 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
4967 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4969 2000-05-11 Robert Lipe <robertlipe@usa.net>
4971 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
4972 * fixincl.x: Regenerate.
4974 2000-05-11 Richard Henderson <rth@cygnus.com>
4976 * calls.c: Revert both 05-09 patches.
4978 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
4980 * config/mn10300/mn10300.c (print_operand): Print FP constants in
4982 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
4985 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
4986 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
4988 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
4990 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
4992 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4994 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
4996 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
4998 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
4999 * config/avr/avr.c (jump_over_one_insn_p): New function.
5000 * config/avr/avr.md: New peepholes added. Output test and
5001 conditional jump to "sbrc" or "sbrs" command.
5003 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5005 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5007 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5009 * except.c (find_exception_handler_labels_1): New function.
5010 (find_exception_handler_labels): Split into two functions, dive
5011 into CALL_PLACEHOLDERs when looking for exception handler labels.
5013 2000-05-11 Stan Cox <scox@cygnus.com>
5015 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5016 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5017 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5019 2000-05-11 Bruce Korb <bkorb@gnu.org>
5021 * fixinc/fixfixes.c (double_slash_fix): obsolete
5022 (else_endif_label_fix): obsolete
5023 (format_fix): new, unused as yet
5025 * fixinc/fixlib.h: added fix description struct for use by format_fix
5026 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5027 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5028 modules. Removed the vestiges of the script version.
5029 Added support for "make check".
5030 * fixinc/check.diff: base diff file (needs work!!)
5031 * fixinc/check.tpl: quiet the fixup output
5032 * fixinc/fixtests.c (main): obsolete
5033 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5034 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5036 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5038 * toplev.c (rest_of_compilation): Remove dead code after
5041 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5043 * cpphash.c (collect_funlike_expansion): Make "# is not
5044 followed by a macro argument name" a pedwarn, not an error.
5045 Preserve the # in the output. Suppress the warning if lang_asm.
5047 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5049 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5050 * configure: Rebuilt.
5052 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5054 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5056 2000-05-10 Kazu Hirata <kazu@hxi.com>
5058 * combine.c (try_combine): Fix a typo.
5060 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5062 * config/ia64/ia64.md (insv): Add comment.
5064 2000-05-10 Richard Henderson <rth@cygnus.com>
5066 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5067 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5068 dependancies on FPBIT and DPBIT.
5070 2000-05-10 Nick Clifton <nickc@redhat.com>
5072 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5073 when optimising for size.
5074 (mark_used_regs:) Ditto.
5075 (try_pre_increment_1): Ditto.
5077 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5079 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5080 Make error message friendlier.
5082 * cpphash.h (struct hashnode): Use struct hack for name
5084 * cpphash.c (struct hashdummy): New.
5085 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5086 (make_HASHNODE): No need to set ->name pointer. Correct
5088 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5090 2000-05-10 Richard Henderson <rth@cygnus.com>
5092 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5095 2000-05-10 Bruce Korb <bkorb@gnu.org>
5097 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5099 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5101 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5102 after we enter .debug.
5104 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5106 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5107 abstract instance of a nested inline function.
5109 * stor-layout.c (finish_record_layout): finalize_type_size
5110 before laying out the pending_statics.
5112 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5114 * cpplex.c (spell_token): New function.
5115 (spell_string, spell_comment, spell_name): fold into
5118 (E, H): Remove macros.
5119 (save_comment): Save comment opening characters too.
5120 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5122 * cpplib.h (I, S): Add macros.
5123 (E, H): Remove macros.
5124 (TTYPE_TABLE): Update entries for new speller.
5125 (SYNTAX_ASSERT): Remove.
5127 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5129 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5130 when removing escaped newlines. Reverse sense of test for
5133 2000-05-09 Richard Henderson <rth@cygnus.com>
5135 * flow.c (find_basic_blocks_1): Do not delete the first
5136 bb_note we run across.
5137 (create_basic_block): Use reorder_insns to move an existing
5138 bb_note to the correct place.
5140 2000-05-09 Richard Henderson <rth@cygnus.com>
5142 * calls.c (expand_call): Increment currently_expanding_call
5143 before calling optimize_tail_recursion.
5145 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5147 * reload1.c (reload_combine): Fix errors in last change.
5149 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5151 * gcc.c (used_arg): Skip over a semicolon at the end of the
5152 split-up loop; don't break out of it.
5154 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5155 (tree.o): Depend on output.h.
5157 * c-decl.c (pending_invalid_xref_file,
5158 current_function_prototype_file): Constify.
5159 (pushdecl): Constify a local char *.
5160 (define_label): Constify filename parameter.
5161 * c-lex.c (init_parse): Constify parameter and return value.
5162 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5163 * c-tree.h: Update prototypes.
5164 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5165 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5166 objc/objc-parse.c: Regenerate.
5168 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5169 * dwarfout.h: Update prototypes.
5170 * expr.c (expand_expr): Constify a local char *.
5171 * flags.h: Constify main_input_filename.
5172 * function.c (expand_function_end): Constify filename parameter.
5173 * genrecog.c (make_insn_sequence): Use a character array for
5175 (main): Remove unused variables.
5176 * input.h: Constify input_filename, main_input_filename, and
5177 file_stack.name. Update prototypes.
5178 * output.h: Declare first_global_object_name and
5179 weak_global_object_name here, as const char *.
5180 * stmt.c (expand_asm_operands): Constify filename parameter.
5181 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5182 Constify filename parameter.
5183 (input_filename, main_input_filename): Constify.
5184 * toplev.h: Update prototypes.
5185 * tree.c: Include output.h. Don't declare
5186 first_global_object_name or weak_global_object_name. Clean up string
5187 bashing in get_file_function_name_long.
5188 * tree.h (struct tree_decl): Constify filename member.
5189 (input_filename): Constify.
5191 * varasm.c (first_global_object_name, weak_global_object_name):
5193 (assemble_start_function, assemble_variable): Clean up string bashing.
5195 * gcc.c: Constify all spec-related strings initialized,
5196 transitively, from string constants. Constify all strings
5197 and string variables related to multilibs.
5198 (set_spec, read_specs): Cast argument to free to PTR.
5199 (used_arg): Do not modify multilib_matches. Use strncmp plus
5200 length comparison to compare multilib switches.
5201 * genmultilib: Constify everything declared in multilib.h.
5203 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5205 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5208 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5210 * config/avr/avr-protos.h (extra_constraint): change a type of
5211 second argument from char to int to avoid warnings.
5212 (asm_output_byte): Likewise.
5214 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5215 (initial_elimination_offset): Handle elimination from
5216 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5217 (legitimate_address_p): Use MAX_LD_OFFSET.
5218 (legitimize_address): Likewise.
5219 (out_movqi_r_mr): Likewise.
5220 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5221 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5222 (out_movsi_mr_r): Likewise.
5223 (out_movqi_mr_r): Likewise.
5224 (out_movhi_mr_r): Likewise.
5225 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5226 count as CONST_INT != 6.
5227 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5228 shift count is a CONSTANT_P, but not a CONST_INT.
5229 (ashlhi3_out): Coding style modifications.
5230 (ashlsi3_out): Likewise.
5231 (ashrhi3_out): Likewise.
5232 (ashrsi3_out): Likewise.
5233 (lshrhi3_out): Likewise.
5234 (lshrsi3_out): Likewise.
5235 (ashrqi3_out): Generate shift for any known constant count without
5236 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5237 but not a CONST_INT.
5238 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5239 shift count is a CONSTANT_P, but not a CONST_INT.
5240 (extra_constraint): change a type of
5241 second argument from char to int to avoid warnings.
5242 (asm_output_byte): Likewise.
5243 (asm_file_end): Output size generated commands count as a hex
5246 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5248 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5250 (ashlqi3): Values of "length" attribute changed. Shift count
5251 uses constraints 'n' instead of 'i'.
5252 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5253 shifts without clobber register.
5254 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5255 (call_insn): Correct test for which_alternative == 1 (was 0).
5256 (call_value_insn): Likewise.
5258 * config/avr/t-avr: Remove definition of FLOAT while generates
5261 2000-05-09 Bruce Korb <bkorb@gnu.org>
5263 * fixinc/check.tpl: Template for checking fixes
5264 * fixinc/inclhack.def: Added 'test_text' for many fixes
5265 disable hpux8_bogus_inlines on SCO
5266 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5268 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5270 * calls.c (expand_call): Reorganize somewhat in order
5271 to avoid unnecesary recalculation inside loop and make
5272 tail call failure code cleaner.
5274 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5276 * alias.c (nonlocal_reference_p): Minor reformatting.
5277 * reload.c (find_equiv_reg): Simplify logic for
5278 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5279 some some reformatting.
5280 * reload1.c (reload_combine): Don't assume everything in
5281 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5283 2000-05-08 Richard Henderson <rth@cygnus.com>
5285 * final.c (current_insn_predicate): New.
5286 (final_scan_insn): Set it.
5287 * output.h (current_insn_predicate): Declare.
5289 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5290 Attach it to call insns.
5291 (cond_exec_process_if_block): Track probability for true and
5293 (dead_or_predicable): Likewise.
5295 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5296 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5297 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5298 (estimate_probability, expected_value_to_br_prob): Use them.
5300 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5301 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5302 (ia64_expand_prediction): New.
5303 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5304 as needed after calls.
5305 (ia64_epilogue_uses): Mark b0 used.
5306 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5307 (bne_true, bne_false): Remove.
5308 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5309 (br_true, br_false): New. Use predicate_operator and
5310 ia64_expand_prediction.
5311 (return_true, return_false): Likewise.
5312 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5313 (call_internal1, call_value_internal): Likewise.
5314 (call_value_internal1, call_multiple_values_internal1): Likewise.
5316 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5318 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5320 2000-05-08 Richard Henderson <rth@cygnus.com>
5322 * rtlanal.c (may_trap_p): Consider old-style and volatile
5325 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5327 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5329 2000-05-08 Richard Henderson <rth@cygnus.com>
5331 * config/ia64/ia64.h (predicate_operator): Declare.
5333 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5336 * gensupport.c (process_rtx): Copy and post-process each member
5337 of the define_insn rtvec individually.
5339 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5341 * cpplex.c (spell_token): New function.
5342 (TOKEN_LEN): Add 1 for whitespace.
5343 (_cpp_lex_file): Update to use spell_token.
5344 * cpplib.h (E): Remove.
5345 (TTYPE_TABLE): Update CPP_VSPACE entry.
5347 2000-05-08 Richard Henderson <rth@cygnus.com>
5349 * flow.c (init_propagate_block_info): Watch out for conditional
5350 branch to next instruction, and thus one outgoing edge.
5352 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5353 for global register variables; don't special case __[CD]TOR_LIST__;
5354 mind ggc_p for string allocation.
5356 2000-05-08 Nick Clifton <nickc@cygnus.com>
5358 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5360 2000-05-08 Bruce Korb <bkorb@gnu.org>
5362 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5363 i?86-*-msdosdjgpp* no longer uses fixincludes
5364 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5365 * fixinc/inclhack.sh: deleted
5366 * fixinc/hackshell.tpl: deleted
5367 * fixinc/inclhack.tpl: deleted
5368 * fixinc/Makefile.in: Remove dependencies on above
5369 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5371 2000-05-08 Andreas Jaeger <aj@suse.de>
5373 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5376 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5378 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5381 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5383 * cpplex.c: Move new lexer definitions and prototypes
5384 to top. Conditional include these and the code if
5385 NEW_LEXER is defined. Rename functions whose names
5386 clash if this code included.
5388 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5390 * rtl.def (COND_EXEC): Clarify.
5392 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5393 same fashion as zero_extendsidi2.
5395 2000-05-06 Richard Henderson <rth@cygnus.com>
5397 * config/ia64/ia64.c (predicate_operator): New.
5398 (ia64_print_operand): Handle 'J'.
5399 (rtx_needs_barrier): Handle COND_EXEC.
5400 * config/ia64/ia64.h (BRANCH_COST): Define.
5401 (PREDICATE_CODES): Update.
5402 * config/ia64/ia64.md: Docuement used unspec values.
5403 (attr predicable): New.
5404 (movxf, movxf_internal): New.
5405 (extendsfdf2): Don't comment out nop.
5406 (floatdidf2): Remove.
5407 (truncxfsf2, truncxfdf2, floatdixf2): New.
5408 (abssi2, absdi2): Put the neg in the "true" slot.
5409 (conditional branch instructions): Mark not predicable.
5410 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5411 (abs*_internal): Likewise.
5412 (alloc, set_bsp): Mark not predicable.
5413 (barrier, insn_group_barrier, flush_cache): Likewise.
5414 (define_cond_exec): New.
5416 2000-05-06 Richard Henderson <rth@cygnus.com>
5418 * c-decl.c: Include "tm_p.h".
5420 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5421 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5422 (ia64_expand_op_and_fetch): Declare.
5423 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5424 (setjmp_operand): Constify variables for XSTR.
5425 (ia64_encode_section_info): Likewise.
5426 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5428 (ia64_asm_output_external): Constify name.
5429 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5430 (process_for_unwind_directive): Provide switch default.
5431 (ia64_expand_compare_and_swap): Remove unused variables.
5432 (ia64_expand_builtin): Likewise.
5433 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5436 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5437 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5438 (shift_count_operand, shift_32bit_count_operand): Likewise.
5439 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5440 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5441 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5442 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5443 (ia64_expand_builtin): Likewise.
5444 (call_multiple_values_operation): Make dest_regno unsigned.
5446 2000-05-06 Richard Henderson <rth@cygnus.com>
5448 * rtl.def (DEFINE_COND_EXEC): New.
5449 * md.texi: Document it.
5451 * gensupport.c (input_file): Remove.
5452 (struct queue_elem): Add lineno.
5453 (rtx_ready_queue): Remove.
5455 (predicable_default): New.
5456 (predicable_true, predicable_false): New.
5457 (define_attr_queue, define_attr_tail): New.
5458 (define_insn_queue, define_insn_tail): New.
5459 (define_cond_exec_queue, define_cond_exec_tail): New.
5460 (other_queue, other_tail): New.
5461 (queue_pattern): New.
5462 (process_rtx): Add patterns to the appropriate queues.
5463 (is_predicable, identify_predicable_attribute): New.
5464 (n_alternatives, collect_insn_data): New.
5465 (alter_predicate_for_insn, alter_test_for_insn): New.
5466 (shift_output_template, alter_output_for_insn): New.
5467 (process_one_cond_exec, process_define_cond_exec): New.
5468 (init_md_reader): Read the entire file. Process define_cond_exec.
5469 (read_md_rtx): Return elements from the queues.
5471 2000-05-06 Richard Henderson <rth@cygnus.com>
5473 * flow.c (mark_set_1): Don't update conditional life info
5474 if the register is not_dead.
5476 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5478 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5479 (mostlyclean): Also delete fixincl, fixinc.sh, and
5480 specs.ready, and make clean in the fixinc subdir.
5482 2000-05-06 Richard Henderson <rth@cygnus.com>
5484 * Makefile.in (gensupport.o): Compile for the host.
5485 (host-prefix gensuuprt.o): Remove.
5486 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5487 (genattrtab.o): Likewise.
5488 (gencodes.o): Depend on gensupport.h.
5489 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5490 (genpeep.o, genattr.o, genoutput.o): Likewise.
5492 * gensupport.c (obstack, rtl_obstack): New.
5493 (init_md_reader): Initialize rtl_obstack.
5494 * gensupport.h (rtl_obstack): Declare.
5495 (message_with_line): Declare.
5497 * genattr.c: Remove all traces of obstack manipulation.
5498 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5499 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5501 * genattrtab.c (obstack, rtl_obstack): Remove.
5502 (main): Don't init rtl_obstack.
5503 * genflags.c: Likewise.
5505 * genrecog.c (message_with_line): Move ...
5506 * gensupport.c: ... here.
5508 2000-05-06 Richard Henderson <rth@cygnus.com>
5510 * c-typeck.c (build_c_cast): Remove dead code.
5512 2000-05-06 Richard Henderson <rth@cygnus.com>
5514 * flow.c (split_edge): Don't allocate global_live_at_start for
5515 the new block unless the old blocks had them as well.
5517 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5519 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5520 test_bb if a or b uses x.
5522 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5524 * cpphash.h: Remove conditional #define of __extension__.
5525 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5526 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5527 (ENABLE_RTL_CHECKING only).
5528 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5529 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5530 (ENABLE_TREE_CHECKING only).
5531 * varray.h: Add __extension__ to VARRAY_CHECK macro
5532 (ENABLE_CHECKING only).
5534 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5536 Use new tail-calling mechanism on ARM.
5537 * arm.md (sibcall, sibcall_value): New expands.
5538 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5539 (tailcalling peepholes): Delete.
5540 (push_multi): Simplify.
5541 * arm.c (lr_save_eliminated): Delete definition.
5542 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5543 (output_return_instruction): Remove checks on lr_save_eliminated.
5544 (output_arm_prologue): Remove old tail-calling code.
5545 (arm_output_epilogue): New parameter, really_return. All callers
5546 changed. Handle tail-calling epilogues.
5547 * arm.h (lr_save_eliminated): Delete declaration.
5548 (frame_pointer_needed): Delete declaration.
5549 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5551 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5553 * arm.c (thumb_code): Define it.
5554 (arm_override_options): Set it.
5555 * arm.h (thumb_code): Declare it.
5557 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5559 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5561 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5563 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5564 bogus clobber to insns.
5565 (load_multiple_operation, store_mulitple_operation): Don't check
5567 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5569 * arm.md (and_scc, ior_scc): Add missing mode.
5571 * arm.md (call_value_symbol): Remove predicate from op2.
5573 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5575 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5577 * expr.c (get_subtarget): New function.
5578 (force_operand, expand_expr, do_store_flag): Use it.
5580 * toplev.c (compile_file): Don't take strlen of NAME if null.
5582 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5584 * xcoffout.c (xcoff_current_include_file,
5585 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5586 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5588 (xcoffout_declare_function): Make name 'const char *'.
5589 (xcoffout_end_epilogue): Make fname 'const char *'
5590 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5591 xcoffout_declare_function, xcoffout_source_line): Match above.
5593 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5595 * rs6000.c (print_operand): Fix lossage typo.
5596 (output_cbranch): Remove "cr" decoration for now.
5597 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5599 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5601 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5604 2000-05-05 Bruce Korb <bkorb@gnu.org>
5606 * fixinc/genfixes: Improve the matching for make target names
5608 2000-05-05 Catherine Moore <clm@cygnus.com>
5610 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5611 attribute to the decl.
5612 * c-decl.c (pushdecl): Propagate the USED attribute to the
5615 2000-05-05 Richard Henderson <rth@cygnus.com>
5617 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5618 same way emit_group_load does.
5620 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5622 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5624 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5627 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5629 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5631 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5633 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5634 to support -shared, on platforms with dynamic libraries.
5636 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5638 * system.h (S_ISBLK): Provide fallback definition.
5640 2000-05-05 Geoff Berry <geoffb@bops.com>
5642 * extend.texi (Extended Asm): Document inability to give asm
5643 statements access to condition codes.
5645 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5647 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5648 as arg 2 of UNIQUE_SECTION.
5650 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5652 * predict.c: Remove May 4 change.
5653 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5654 if we have predicted the branch at 50-50 probability.
5656 2000-05-05 Richard Henderson <rth@cygnus.com>
5658 * flow.c (init_propagate_block_info): Fix merge error
5659 in HAVE_conditional_execution code.
5661 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5663 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5664 shift cycle for unknown shift count. Also generates dec + brpl.
5665 (ashlqi3_out): Don't generate dec + brpl which now generates by
5666 `out_shift_with_cnt'.
5667 (ashlhi3_out): Likewise.
5668 (ashlsi3_out): Likewise.
5669 (ashrqi3_out): Likewise.
5670 (ashrhi3_out): Likewise.
5671 (ashrsi3_out): Likewise.
5672 (lshrqi3_out): Likewise.
5673 (lshrhi3_out): Likewise.
5674 (lshrsi3_out): Likewise.
5676 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5678 * gcc.c (free_split_directories): Correct typo in explanation
5679 of make_relative_prefix.
5681 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5683 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5684 comparison codes to branch_comparison_operator.
5686 2000-05-04 Richard Henderson <rth@cygnus.com>
5688 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5690 2000-05-04 Richard Henderson <rth@cygnus.com>
5692 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5693 (DPBIT_FUNCS): Remove _sf_to_usi.
5694 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5696 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5697 between condition and jump.
5699 * libgcc2.c (near eh_context_specific): Comment #endif string.
5700 * longlong.h: Don't use strings with embedded newlines.
5702 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5704 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5705 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5706 (print_operand): Delete %t and %T codes.
5707 (output_cbranch): New function. Support branch prediction.
5708 * config/rs6000/rs6000.md: Use output_cbranch for
5709 conditional branches and returns.
5711 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5713 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5714 * stor-layout.c (place_field): Likewise.
5715 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5716 * expr.c (store_expr): Make align unsigned.
5717 * explow.c (plus_constant_wide): Make low words unsigned.
5718 * expmed.c (choose_multiplier): Likewise.
5719 * fold-const.c (fold): Likewise.
5720 * tree.h (build_int_2): Likewise.
5721 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5722 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5723 (init_emit): Change cast to unsigned char*.
5724 * varasm.c (compare_constant_1): Add cast to char*.
5725 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5726 * reload1.c (reload): Likewise.
5728 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5730 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5732 * predict.c (estimate_probability): If no prediction was found, then
5733 predict the successor that is the next physical block (if such a
5736 2000-05-04 Richard Henderson <rth@cygnus.com>
5738 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5740 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5742 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5744 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5746 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5747 attribute macros from here ...
5748 (CPP_SPEC): to here.
5749 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5750 (CPP_SPEC): Likewise.
5751 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5753 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5754 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5756 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5758 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5760 * diagnostic (vbuild_message_string, build_message_string,
5761 build_location_prefix, output_get_prefix, init_output_buffer,
5762 output_notice, vline_wrapper_message_with_location,
5763 v_message_with_decl, default_print_error_function): De-constify.
5764 (set_real_maximum_length): Prototype.
5766 * diagnostic.h (struct output_buffer, init_output_buffer,
5767 output_get_prefix, output_set_prefix): De-constify.
5769 * function.c (init_function_start): Constify.
5771 * gensupport.c (remove_constraints, process_rtx): Prototype.
5773 * gthr-posix.h: Indent uses of #pragma.
5775 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5778 * predict.c (find_expected_value): Delete prototype.
5779 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5781 * sbitmap.h (debug_sbitmap): Prototype.
5783 * ssa.c (compute_coalesced_reg_partition): Prototype.
5785 * stor-layout.c (debug_rli): Prototype.
5787 * tree.h (round_down): Prototype.
5788 (init_function_start): Constify.
5790 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5792 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5793 (overly conservative). Change extern inline wrappers to
5794 static inline, define them always, use PARAMS properly.
5795 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5796 whitespace warnings for \f and \v at the beginning of a line.
5798 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5800 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5803 2000-05-04 Bruce Korb <bkorb@gnu.org>
5805 * fixincl/inclhack.def: added broken_cabs -
5806 Remove `extern double cabs' declarations from math.h
5807 * fixincl/inclhack.sh: regen
5808 * fixincl/fixincl.x: regen
5809 * fixincl/fixincl.c: Remove BOGOSITY code
5810 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5812 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5814 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5816 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5817 when calling MEM_COPY_ATTRIBUTES.
5818 * emit-rtl.c (operand_subword, change_address): Likewise.
5819 * explow.c (stabilize): Likewise.
5820 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5821 * integrate.c (copy_rtx_and_substitute): Likewise.
5822 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5823 when calling MEM_COPY_ATTRIBUTES.
5824 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5826 * cse.c (gen_lowpart_if_possible): Likewise.
5827 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5828 * optabs.c (gen_move_insn): Likewise.
5829 * recog.c (validate_replace_rtx_1): Likewise.
5830 * simplify-rtx.c (add_mem_for_addr): Likewise.
5831 * stmt.c (expand_anon_union_decl): Likewise.
5832 * config/arm/arm.md: Likewise.
5833 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5834 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5835 (block_move_no_loop, block_move_sequence): Likewise.
5836 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5837 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5838 Clear MEM_ALIAS_SET.
5839 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5840 MEM_COPY_ATTRIBUTES.
5842 2000-05-03 Robert Lipe <robertlipe@usa.net>
5844 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5845 to suppress libgcc1.
5846 (i[34567]86-*-sco3.2v5*) Likewise.
5847 (i[34567]86-*-sco3.2v4*) Likewise.
5848 (i[34567]86-*-sco) Likewise.
5849 (i[34567]86-*-solaris2) Likewise.
5850 (i[34567]86-*-sysv5*) Likewise.
5851 (i[34567]86-*-sysv4*) Likewise.
5852 (i[34567]86-*-udk*) Likewise.
5853 (i[34567]86-*-sysv*) Likewise.
5855 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5857 * cpphash.h (U): New define, to correct type of string constants.
5858 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5859 routines, to do casts when passing unsigned strings to libc.
5860 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5862 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5863 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5864 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5865 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5866 second argument an U_CHAR *.
5868 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5869 length field, clean up initializer.
5870 (ISTABLE): Add __extension__ to designated-
5871 initializers version.
5872 * cpplex.c (CHARTAB): Likewise.
5874 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5875 case so the file won't be empty.
5877 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5879 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5880 (REORDER_BLOCK_SUCC): Removed.
5881 (enum reorder_skip_type): Removed.
5882 (skip_insns_between_block): Renamed to skip_insns_after_block.
5883 Removed second argument. Removed dead code and cleaned up.
5884 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5885 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5886 second parameter to skip_insns_after_block.
5888 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5890 * tree.c (staticp, case LABEL_DECL): New case.
5892 2000-05-03 Richard Henderson <rth@cygnus.com>
5894 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5896 * mklibgcc1.in: Fix typo last change.
5898 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5900 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
5901 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
5902 (GCC_CFLAGS): Use it.
5903 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
5904 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
5905 objc/Make-lang.in: Use it.
5907 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
5909 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5911 2000-05-03 Richard Henderson <rth@cygnus.com>
5913 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
5914 LIBGCC1 empty with libgcc1.null.
5916 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
5918 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
5921 2000-05-03 Greg McGary <gkm@gnu.org>
5923 * tree.h (tree_common): Add bounded_flag member. Remove
5924 inaccurate comment about number of remaining bits.
5925 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
5926 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
5927 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
5928 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
5929 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
5930 (TYPE_QUAL_BOUNDED): New constant.
5931 (TYPE_QUALS): Handle bounded qualifier.
5932 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
5933 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
5934 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
5935 TYPE_AMBIENT_BOUNDEDNESS): New macros.
5936 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
5937 (tree_type): Add pointer_depth member. Remove
5938 inaccurate comment about number of remaining bits.
5939 (DECL_POINTER_DEPTH): Add macro.
5940 (tree_decl): Add pointer_depth member.
5942 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
5944 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
5945 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
5946 (lshrhi3_out): Likewise.
5947 (ashrsi3_out): bugfix in shift by 8.
5948 (test_hard_reg_class): New function.
5949 * config/avr/avr.md: Bugfix inside conditions in peepholes.
5950 (ashlhi3): removed define_expand of this pattern.
5951 (*ashlhi3_insn): renamed to ashlhi3.
5952 (ashlsi3): removed define_expand of this pattern.
5953 (*ashlsi3_insn): renamed to ashlsi3.
5954 (ashrqi3): removed define_expand of this pattern.
5955 (*ashrqi3_insn): renamed to ashrqi3.
5956 (ashrhi3): removed define_expand of this pattern.
5957 (*ashrhi3_insn): renamed to ashrhi3.
5958 (ashrsi3): removed define_expand of this pattern.
5959 (*ashrsi3_insn): renamed to ashrsi3.
5960 (lshrhi3): removed define_expand of this pattern.
5961 (*lshrhi3_insn): renamed to lshrhi3.
5962 (lshrsi3): removed define_expand of this pattern.
5963 (*lshrsi3_insn): renamed to lshrsi3.
5965 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
5967 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
5968 inclusion of "system.h".
5970 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
5972 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
5975 2000-05-03 David Mosberger <davidm@hpl.hp.com>
5977 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
5978 if -mauto-pic is on.
5979 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
5980 -mconstant-gp is in effect and function-descriptors are being used
5981 to make indirect calls.
5982 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
5983 (MASK_AUTO_PIC): Ditto.
5984 (TARGET_CONST_GP): Ditto.
5985 (TARGET_AUTO_PIC): Ditto.
5986 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
5987 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
5988 -mno-pic is in effect.
5989 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
5990 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
5991 -mauto-pic is in effect.
5992 (gprel64_offset): New pattern.
5993 (load_gprel64): Ditto.
5994 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
5995 -mconstant-gp is in effect, no need to preserve gp around direct
5997 (call_value): Ditto.
5998 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
5999 (FUNCTION_PROFILER): Define.
6000 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6001 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6002 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6004 2000-05-03 Richard Henderson <rth@cygnus.com>
6006 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6007 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6008 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6009 (mklibgcc, libgcc.mk): New targets.
6010 (libgcc.a): Use libgcc.mk.
6011 (stmp-multilib): Likewise.
6012 (stmp-multilib-sub): Remove.
6013 (mostlyclean): Don't delete libgcc2 temp files.
6014 * configure.in (AC_PROG_CC_C_O): Add.
6015 (NO_MINUS_C_MINUS_O): Substitute it.
6016 (all_outputs): Add mklibgcc.
6017 * mklibgcc.in: New file.
6019 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6021 * cppexp.c (op_t): Make an int.
6023 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6025 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6027 * gensupport.c (process_rtx): Fix macros used.
6029 2000-05-03 Richard Henderson <rth@cygnus.com>
6031 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6032 call-clobbered registers of a call.
6034 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6036 * gensupport.c: New file.
6037 * gensupport.h: New file.
6038 * Makefile.in (HOST_RTL): Depend on gensupport.
6039 (gensupport.o) New rule.
6040 * genattr.c: Use gensupport for reading .md files.
6041 * genattrtab.c: Ditto.
6042 * gencodes.c: Ditto.
6043 * genconfig.c: Ditto.
6045 * genextract.c: Ditto.
6046 * genflags.c: Ditto.
6047 * genopinit.c: Ditto.
6048 * genoutput.c: Ditto.
6050 * genrecog.c: Ditto.
6051 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6052 * md.texi (Insn Splitting): Document define_insn_and_split.
6054 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6056 * flow.c (verify_flow_info): Added two more sanity checks. The
6057 first checks that the blocks are numbered consecutively. The second
6058 checks that n_basic_blocks is actually equal to the number of
6059 basic blocks in the insn chain.
6061 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6063 * cpplib.h: Add accessor macros for token lists.
6064 * cpplib.c, cpphash.c, cpplex.c: Use them.
6066 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6068 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6069 memory usage if not in a function.
6070 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6071 return address if static.
6073 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6075 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6076 whether address may trap.
6078 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6080 * bb-reorder (chain_reorder_blocks): Changed code to test for
6081 EDGE_FALLTHRU rather than making erroneous assumption that the
6082 first outgoing edge is the fall-through edge.
6084 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6086 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6087 ABI for varargs, across all MIPS. This is incompatible because the
6088 va_list (__builtin_va_list) structure is different, so a compilation
6089 unit passing a va_list and a compilation unit being passed one, should
6090 both be compiled with the same ABI. (The old structure had two
6091 pointers, now it has three.)
6093 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6095 * bb-reorder.c (struct reorder_block_def): Remove members end,
6096 block_begin, and block_end.
6097 (REORDER_BLOCK_OLD_END): Delete.
6098 (REORDER_BLOCK_BEGIN): Delete.
6099 (REORDER_BLOCK_END): Delete.
6100 (chain_reorder_blocks): Remove dead code.
6102 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6104 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6105 notes as the end of a basic block before deleting.
6107 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6109 * final.c (final_start_function): Fix spelling of "necessary".
6111 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6113 * toplev.c (debug_ignore_block): Return int.
6114 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6115 * toplev.h, dwarf2out.h: Adjust.
6116 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6118 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6119 * toplev.c, final.c, rtl.h: Adjust.
6121 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6123 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6124 * configure.in: Look for makeinfo in the unified tree, then
6125 for a system makeinfo which is sufficiently new.
6126 * Makefile.in: If configure says makeinfo is too old, don't
6127 build or install Info documentation.
6129 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6131 * cpphash.c (collect_params): Fix off-by-one error.
6132 (dump_hash_helper): Dump all four macro nodetypes.
6134 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6136 * cpphash.c (trad_stringify): Adjust p after stringification as
6139 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6141 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6142 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6144 * cppfiles.c (file_cleanup): Delete.
6145 * cpphash.c (macro_cleanup): Delete.
6146 (collect_objlike_expansion, collect_funlike_expansion,
6147 macarg, scan_arguments): Remove CPP_POP case.
6149 * cpplex.c (null_cleanup): Delete.
6150 (cpp_pop_buffer): Do the work that was done in the cleanups
6151 here. Call _cpp_unwind_if_stack from here.
6152 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6153 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6154 stack is the buffer _below_ the one we stacked.
6155 (cpp_get_token): Always pop an exhausted buffer. Return
6156 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6157 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6158 increment the line number.
6159 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6161 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6162 we see CPP_EOF and the top of stack is the buffer _below_ the
6164 * scan-decls.c: Likewise.
6166 2000-05-02 Andrew Haley <aph@cygnus.com>
6168 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6169 where this function is called for the second time on a decl that
6170 has had its section info changed in such a way as to move it out
6172 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6174 2000-05-01 Richard Henderson <rth@cygnus.com>
6176 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6177 the sequence we're moving, not to merge_bb->head.
6179 2000-05-01 Richard Henderson <rth@cygnus.com>
6181 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6182 reference to alpha/t-linux.
6183 (alpha*-*-linux-gnu*): Likewise.
6184 * configure: Rebuild.
6186 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6188 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6191 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6193 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6195 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6198 2000-05-01 Richard Henderson <rth@cygnus.com>
6200 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6201 emit_conditional_move.
6203 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6205 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6206 as the dynamic linker.
6208 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6210 * cppfiles.c (open_include_file): Open file in blocking mode.
6211 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6212 Only exclude block devices and directories.
6214 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6215 static. Allocate the hashnode and its string in the same
6217 (del_HASHNODE): Don't free h->name.
6218 (_cpp_lookup): If there is no entry for this string, create
6219 one, of type T_VOID.
6220 (_cpp_lookup_slot): Delete.
6221 * cpphash.h: Update prototypes.
6223 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6225 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6226 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6227 node here, just fill in the value field properly. "Delete"
6228 entries by setting the value field to T_VOID. Check for
6229 hp->type == T_VOID, not hp == NULL.
6231 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6232 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6235 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6237 * config/mn10300/mn10300.c (print_operand_address): Do not add
6240 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6241 adjusted by less than 256 bytes, use ret regardless of having any
6242 callee-saved register to restore.
6244 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6246 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6248 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6250 * config/i386/djgpp.h (INT_ASM_OP): Define.
6251 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6252 (ASM_WEAKEN_LABEL): Define.
6253 (MASK_BNU210): Define.
6254 (SUBTARGET_SWITCHES): Define.
6255 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6256 (MAKE_DECL_ONE_ONLY): Define.
6257 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6259 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6261 * i386/cygwin.h (INT_ASM_OP): Define.
6263 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6265 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6266 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6268 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6270 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6271 __tmp_reg__ and __zero_reg__ initialization.
6273 2000-04-30 Richard Henderson <rth@cygnus.com>
6275 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6277 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6278 referenced bewteen the condition and the jump. Don't delete
6279 anything but the jump.
6281 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6283 * bb-reorder.c (scope_def): New struct.
6284 (scope_forest_info): New struct.
6285 (struct reorder_block_def): New member "scope".
6286 (REORDER_BLOCK_SCOPE): New macro.
6287 (relate_bbs_with_scopes): New function and prototype.
6288 (make_new_scope): Likewise.
6289 (build_scope_forest): Likewise.
6290 (remove_scope_notes): Likewise.
6291 (insert_intra_1): Likewise.
6292 (insert_intra_bb_scope_notes): Likewise.
6293 (insert_inter_bb_scope_notes): Likewise.
6294 (rebuild_scope_notes): Likewise.
6295 (free_scope_forest_1): Likewise.
6296 (free_scope_forest): Likewise.
6297 (dump_scope_forest): Likewise.
6298 (dump_scope_forest_1): Likewise.
6299 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6300 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6302 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6303 and remove_scope_notes before reordering is done. Added calls to
6304 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6305 after reordering is done.
6307 2000-40-30 Bruce Korb <bkorb@gnu.org>
6309 * fixinc/inclhack.def: Added definitions needed by OSR5,
6310 removed two stale entries (defined away with OLD_CPP).
6311 * fixinc/inclhack.sh: regen
6312 * fixinc/fixincl.x: regen
6314 2000-04-30 Richard Henderson <rth@cygnus.com>
6316 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6317 from the last insn in the sequence.
6319 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6321 * cpplex.c (cpp_idcmp): New function.
6322 * cpplib.h: Prototype it.
6323 * scan_decls.c (scan_decls): Use it to inspect token names.
6324 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6325 the file being run through the preprocessor.
6326 (check_macro_names): Provide length of token to cpp_defined.
6328 * Makefile.in: Remove stale warning message.
6330 * cppfiles.c (redundant_include_p): Provide length of token to
6332 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6333 values are unsigned int.
6334 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6335 (_cpp_lookup_slot): Do not calculate the hash, either.
6336 * cpphash.h: Update prototypes.
6337 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6338 Hashes are unsigned int. Calculate hash here, pass by value
6339 to _cpp_lookup_slot.
6341 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6343 * simplify-rtx.c (check_value_useless): Delete function.
6344 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6346 (cselib_invalidate_regno): Likewise.
6347 (cselib_invalidate_mem_1): Likewise.
6348 (references_value_p): Recognize useless values by the fact that they
6350 (discard_useless_values): Likewise.
6351 (cselib_record_set): This may turn a useless value
6354 2000-04-30 Richard Henderson <rth@cygnus.com>
6356 * config/d30v: New port.
6358 * configure.in (d30v-*): Set fp format.
6359 * configure: Rebuild.
6361 2000-04-30 Richard Henderson <rth@cygnus.com>
6363 * ifcvt.c: New file.
6364 * Makefile.in (OBJS): Add it.
6365 (ifcvt.o): New target.
6366 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6367 and conditional arithmetic.
6368 (find_insert_position): Remove.
6369 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6370 * toplev.c (DFI_ce, DFI_ce2): New.
6371 (dump_file): Add ce and ce2 dumps.
6372 (rest_of_compilation): Run if_convert a couple o times. Set
6373 cse_not_expected after cse2. Don't set no_new_pseudos until
6374 after sched1 or recompute_reg_usage.
6376 2000-04-30 Richard Henderson <rth@cygnus.com>
6378 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6379 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6381 2000-04-30 Richard Henderson <rth@cygnus.com>
6383 * flow.c (struct reg_cond_life_info): New.
6384 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6385 (init_propagate_block_info): Initialize them.
6386 (free_propagate_block_info): Destruct them.
6387 (mark_set_1): Consider conditional life before killing a register.
6388 (mark_regno_cond_dead): New.
6389 (free_reg_cond_life_info): New.
6390 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6391 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6392 (mark_used_reg): Record conditional life.
6394 * haifa-sched.c (schedule_insns): Disable death counting
6395 sanity check for HAVE_conditional_execution.
6397 2000-04-30 Richard Henderson <rth@cygnus.com>
6399 * Makefile.in (TIMEVAR_H): New.
6400 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6401 (timevar.h): Remove rule.
6403 2000-04-29 Richard Henderson <rth@cygnus.com>
6405 * config/alpha/crtend.asm: Use C comments instead of #.
6406 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6408 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6410 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6412 * cpphash.h (enum node_type: Take out T_MCONST.
6413 (union hashval): Move into struct hashnode.
6414 (struct hashnode): Pack tighter. Remove file, line, col
6416 * cpphash.c: Constify most of the macro-definition structures.
6417 (struct definition): Replace by struct object_defn
6418 and struct funct_defn. Put file, line, column information
6419 here. All users updated to match.
6420 (_cpp_create_definition, _cpp_macroexpand): Remove special
6421 case for #define WORD OTHERWORD.
6422 * cpplib.c (do_undef): Remove T_MCONST case.
6424 * cpphash.h: Move struct reflist, struct definition, and the
6425 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6426 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6427 * cpphash.c (_cpp_free_definition): Free data pointed to by
6428 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6429 (_cpp_create_definition, del_HASHNODE): Just call
6430 _cpp_free_definition to clear out a hashnode.
6431 * cpplib.c (do_pragma_poison): Likewise.
6433 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6435 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6436 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6437 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6438 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6439 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6440 REGNO_AM33_P): Redefine in terms of the new macros.
6441 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6442 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6443 STRUCT_VALUE): Likewise.
6444 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6445 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6447 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6449 * regmove.c (struct record_stack_memrefs_data): New.
6450 (record_stack_memrefs): New function.
6451 (combine_stack_adjustments_for_block): Use it.
6453 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6455 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6456 use special_function_p to detect alloca.
6458 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6460 * gcc.texi: Fixes for makeinfo 4.0 --html.
6462 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6464 * pcp.h: Delete file.
6466 2000-04-28 Kazu Hirata <kazu@hxi.com>
6468 * h8300.c (function_epilogue): Clean up flags when the last insn
6469 in a function is a barrier.
6471 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6473 * configure.in (sparc-hal-solaris2*): protect [] glob from
6475 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6476 rather than hard-coded constants in target_cpu_default2.
6477 * configure: Regenerate.
6479 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6481 * tree.c (get_callee_fndecl): Extract the initial value from
6484 2000-04-28 Richard Henderson <rth@cygnus.com>
6486 * varasm.c (record_constant_1): Record the CODE_LABEL when
6487 taking the address of a LABEL_REF.
6489 2000-04-28 Richard Henderson <rth@cygnus.com>
6490 Jan Hubicka <jh@suse.cz>
6492 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6493 adjustment; don't do the stack adjust.
6494 (expand_call): Call compute_argument_block_size right before
6495 allocating the block; update comment; don't do alignment sanity
6496 checking for sibling call; use args_size instead of
6497 unadjusted_args_size before args_size is adjusted. Use
6498 combine_pending_stack_adjustment_and_call to compute stack adjust
6499 for must_preallocate case.
6501 * expr.c (push_block): Remove shadow `temp' in inner scope.
6503 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6505 * toplev.c (rest_of_compilation): Call
6506 note_deferral_of_defined_inline_function even if the function
6509 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6511 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6513 2000-04-28 Richard Henderson <rth@cygnus.com>
6515 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6517 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6519 * timevar.c (init_timevar): DeANSIfy function definition.
6521 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6523 * Makefile.in (timevar.o): Depend on flags.h.
6524 * timevar.c (unused_stack_instances): New variable.
6525 (timevar_push): Take a timevar_stack_def from
6526 unused_stack_instances if available.
6527 (timevar_pop): Push the popped timevar_stack_def onto
6528 unused_stack_instances.
6529 (TIMEVAR_ENABLE): New macro.
6530 (timevar_def): Make standalone a 1-bit field. Add field used.
6531 (get_time): Rename parameter to now. Return after clearing it if
6533 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6534 (timevar_pop): Likewise.
6535 (timevar_stop): Likewise.
6536 (timevar_push): Likewise. Mark the timing variable as used.
6537 (timevar_start): Likewise.
6538 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6539 timevars that were never used.
6541 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6543 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6544 always TREE_READONLY.
6546 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6548 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6549 for call instruction with mode QImode.
6551 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6553 * Makefile.in (OBJS): Add timevar.o.
6554 (toplev.o): Depend on timevar.h.
6555 (ggc-simple.o): Likewise.
6556 (ggc-page.o): Likewise.
6557 (timevar.o): New rule.
6558 (timevar.h): New rule.
6560 * timevar.h: New file.
6561 * timevar.c: Likewise.
6562 * timevar.def: Likewise.
6564 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6565 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6567 (TIMEVAR): Remove macro.
6568 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6569 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6570 flow_time, combine_time, regmove_time, sched_time,
6571 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6572 sched2_time, dbr_sched_time, reorder_blocks_time,
6573 rename_registers_time, shorten_branch_time, stack_reg_time,
6574 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6576 (compile_file): Don't initialize time variables. Call
6577 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6578 of many calls to print_time.
6579 (rest_of_compilation): Add timing for reload_cse_regs.
6580 (get_run_time): Removed to timevar.c.
6581 (print_time): Likewise.
6582 (get_run_time): Implement using TV_TOTAL time variable.
6583 (print_time): Get total run time from get_run_time.
6584 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6585 computing elapsed time explicitly.
6586 * ggc-simple.c (ggc_collect): Likewise.
6587 (gc_time): Remove declaration.
6589 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6591 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6592 (expand_call): Use it.
6594 2000-04-27 Jan Hubicka <jh@suse.cz>
6596 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6599 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6601 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6604 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6606 * function.c (epilogue_done): Pass whole insn to record_insns.
6608 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6610 * cse.c (CSE_ADDRESS_COST): Remove.
6611 (find_best_addr): Add new parameter "MODE", use address_cost instead
6613 (address_cost): New.
6614 (fold_rtx): Update call of find_best_addr.
6615 * rtl.h (address_cost): Declare.
6616 * loop.c (general_induction_var): Add new parameter "MODE", use
6617 address_cost instead of ADDRESS_COST
6618 (init_loop): Use address_cost instead of ADDRESS_COST.
6619 (check_insn_for_givs): Update call of general_induction_var.
6620 (find_mem_givs): Likewise.
6621 (consec_sets_giv): Likewise.
6622 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6623 * i386.c (ix86_address_cost): New.
6624 * i386-protos.h (ix86_address_cost): Declare.
6626 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6628 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6631 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6633 * expr.c (store_expr): Use clear_storage instead of direct memset
6636 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6638 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6639 ASHIFT, AND and LABEL_REF.
6641 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6643 * invoke.texi (-foptimize-sibling-calls): Fix.
6645 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6647 * loop.c (load_mems) Don't use hard registers for the hoisting.
6649 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6650 calculation; rename const_equiv array in the preconditioning code
6651 from loop_unroll to loop_unroll_precondition
6653 2000-04-27 Richard Henderson <rth@cygnus.com>
6655 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6657 (propagate_one_insn): Clear it. Don't update reg_live here.
6658 (init_propagate_block_info): Update for pbi member changes.
6659 (free_propagate_block_info): Likewise.
6660 (mark_set_1): Know that zero_extract, sign_extract, and
6661 strict_low_part don't kill their argument. Alter hard subregs.
6662 Update new_set for non-CLOBBER sets. Update reg_live.
6663 (find_auto_inc): Update reg_live, not new_dead.
6664 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6665 to determine if the reg in question was set this insn. Only update
6666 reg info with PROP_REG_INFO.
6668 2000-04-26 Richard Henderson <rth@cygnus.com>
6670 * flow.c (allocate_reg_life_data): Set max_regno here ...
6671 (life_analysis): ... not here.
6673 * flow.c (calculate_global_regs_live): Force stack pointer
6676 2000-04-26 Richard Henderson <rth@cygnus.com>
6678 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6679 commit change group changes.
6680 (invert_exp_1): Similarly.
6681 (redirect_exp, invert_exp): Use them.
6682 (redirect_jump_1): New.
6683 (invert_jump_1): New.
6684 (jump_optimize_1): Remove code subsumed by condexec.c.
6685 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6687 2000-04-26 Richard Henderson <rth@cygnus.com>
6689 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6691 * genconfig.c (main): Set all HAVE_foo to 1.
6693 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6695 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6697 * invoke.texi: Document -fssa flag.
6699 2000-04-26 Richard Henderson <rth@cygnus.com>
6701 * flow.c (count_reg_sets_1): Remove.
6702 (count_reg_sets, count_reg_references): Remove.
6703 (recompute_reg_usage): Implement with update_life_info.
6704 Reallocate life data.
6706 2000-04-26 Richard Henderson <rth@cygnus.com>
6708 * flow.c (update_life_info): Consider blocks null to mean the
6710 (calculate_global_regs_live): Likewise.
6711 (life_analysis): Do that instead of collecting all_blocks.
6713 2000-04-26 Richard Henderson <rth@cygnus.com>
6715 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6716 a still-valid conditional jump.
6718 2000-04-26 Richard Henderson <rth@cygnus.com>
6720 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6722 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6723 * flow.c (calculate_loop_depth): Remove.
6724 * output.h (calculate_loop_depth): Don't declare.
6725 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6726 inline; run estimate_probability at the same time.
6728 2000-04-26 Neil Booth <NeilB@earthling.net>
6730 * cpplib.h: "~=" is not a single pp-token.
6731 * cpplex.c: Correct commentary.
6733 2000-04-26 Richard Henderson <rth@cygnus.com>
6735 * flow.c (mark_set_1): New arguments code and flags; update all
6736 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6737 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6738 loop_depth when optimizing for size. Do new_dead update after
6739 emitting REG_UNUSED notes. Merge mark_set_reg code.
6740 (mark_set_reg): Remove.
6741 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6742 arrange to not emit REG_UNUSED notes.
6744 2000-04-26 Richard Henderson <rth@cygnus.com>
6746 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6747 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6749 2000-04-26 Richard Henderson <rth@cygnus.com>
6751 * flow.c (propagate_one_insn): Break out from propagate_block.
6752 (init_propagate_block_info): Likewise.
6753 (free_propagate_block_info): Likewise.
6754 (propagate_block): Use them. Export.
6755 * basic-block.h: Declare them all.
6757 2000-04-26 Richard Henderson <rth@cygnus.com>
6759 * basic-block.h (life_analysis): Declare here ...
6760 * output.h: ... not here.
6761 * flow.c (life_analysis): Remove nregs parameter; replace
6762 remove_dead_code with flags. Remove ssa dead code check.
6763 Only init alias analysis if we'll use it.
6764 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6765 * ssa.c (convert_to_ssa): Likewise.
6766 (convert_from_ssa): Likewise.
6767 * toplev.c (rest_of_compilation): Likewise.
6769 2000-04-26 Richard Henderson <rth@cygnus.com>
6771 * flow.c (flow_delete_block): Rename from delete_block. Export.
6772 * basic-block.h (flow_delete_block): Declare.
6774 2000-04-26 David S. Miller <davem@redhat.com>
6776 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6777 taking a PATTERN of it.
6779 2000-04-26 <NeilB@earthling.net>
6781 * cpplex.c (spell_other, spell_char): Remove.
6783 (token_spelling, trigraph_map): Use unsigned chars.
6784 (_cpp_lex_line): Tidy up the switch statement.
6785 * cpplib.h: Implement spell_char with spell_string.
6788 2000-04-26 <RodneyBrown@pmsc.com>
6790 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6791 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6793 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6795 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6796 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6797 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6798 dwarf2out_return_save, dwarf2out_return_reg,
6799 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6800 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6801 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6803 * dwarf2out.h (dwarf2out_init): Likewise.
6805 * dwarfout.c (filename_entry, primary_filename, last_filename,
6806 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6808 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6809 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6810 dwarf2out_return_reg): Likewise.
6812 2000-04-26 Andreas Jaeger <aj@suse.de>
6814 * extend.texi (Function Attributes): Fix description of pure
6817 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6819 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6820 before calling rest_of_compilation.
6822 2000-04-26 Andreas Jaeger <aj@suse.de>
6824 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6827 2000-04-25 Richard Henderson <rth@cygnus.com>
6829 * cse.c (cse_insn): Emit barrier after unconditional jump.
6831 * calls.c (expand_call): Disable tail call generation once
6832 rtx_equal_function_value_matters is false.
6834 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6837 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6839 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6841 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6843 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6844 is the primary DIE for a member function.
6845 (gen_decl_die): Call set_decl_origin_self here.
6846 * dwarfout.c (output_decl): And here.
6847 * integrate.c (output_inline_function): Not here.
6848 Don't clear DECL_INLINE until after calling rest_of_compilation.
6849 (set_decl_origin_self): No longer static.
6850 * tree.h: Add prototype.
6851 * toplev.c (note_deferral_of_defined_inline_function): Only write
6852 out abstract instance for actual inlines.
6854 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6856 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6857 EXTENDED_REGS only if TARGET_AM33.
6858 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6859 SP_REGS to register allocation and reloading unless absolutely
6861 (movsi3): Remove special-case of adding non-constants to SP.
6863 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6865 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6866 INCLUDES to search and does not provide any of its own. Also it
6867 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6868 parameters. Also it does not call AC_DEFINE.
6869 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6870 AC_DEFINE and provides for automatic entries for autoheader.
6871 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6873 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6874 so we can pass -I flags and include gansidecl.h/system.h in this
6877 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6879 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6881 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6882 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6883 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6885 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6886 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6887 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6888 for these macros. Clean up spacing and linewraps.
6890 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6892 * calls.c (expand_call): Use get_callee_fndecl.
6894 * print-tree.c (print_node): Print the chain of an _EXPR.
6896 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6897 Jim Wilson <wilson@cygnus.com>
6898 Andrew Haley <aph@cygnus.com>
6900 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
6901 and gp save/restore problems.
6902 * config/ia64/crtend.asm: Add IA-64 unwind support.
6903 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
6904 in fr_pad_size calculation.
6905 (save_restore_insns): Move PR save area. Correct uses of
6906 RTX_FRAME_RELATED_P.
6907 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
6908 (ia64_expand_epilogue): Add eh_epilogue support.
6909 (ia64_function_prologue): Emit .prologue directive.
6910 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
6911 (ia64_override_options): Set init_machine_status and
6912 mark_machine_status.
6913 (rtx_needs_barrier): Handle bsp reads and writes.
6914 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
6915 New static variables.
6916 (process_set, process_for_unwind_directive): New functions.
6917 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
6918 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
6919 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
6921 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
6922 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
6923 (struct machine_function): Define.
6924 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6926 2000-04-25 Bruce Korb <bkorb@gnu.org>
6928 * fixinc/Makefile.in: make the removal of old programs more
6930 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
6931 install-bin and install-sh
6933 2000-04-25 Nick Clifton <nickc@cygnus.com>
6935 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
6936 defined, define to return zero.
6937 (function_cannot_inline_p): If a function has any target
6938 specific attributes, then use the macro
6939 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
6940 whether it can be inlined. If it cannot, issue a suitable
6943 * tm.texi: Add a new node 'Inlining' to document the new macro
6944 FUNCTION_ATTRIBUTE_INLINABLE_P.
6946 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
6948 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6951 2000-04-25 Neil Booth <NeilB@earthling.net>
6953 Restore previous patch, plus the following fixes:
6955 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
6956 flags, not CPP_OPEN_PAREN.
6957 * cpplex.c (expand_token_space, init_token_list,
6958 cpp_free_token_list): Put the dummy token at list->tokens[-1].
6959 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
6961 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6963 * config/i386/freebsd.h (INT_ASM_OP): Define.
6965 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
6967 * loop.c (strength_reduce): Fix typo in the last checkin.
6969 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6971 * stor-layout.c (finalize_record_size): Simplify to use existing
6973 (compute_record_mode): No longer static.
6974 * tree.h (compute_record_mode): New declaration.
6976 2000-04-25 Neil Booth <NeilB@earthling.net>
6978 * Revert my patch below until cause of build failures
6981 2000-04-25 Richard Henderson <rth@cygnus.com>
6983 * combine.c (combine_instructions): Add missing argument
6986 * toplev.c (rest_of_compilation): Delay sibcall optimization
6987 until after emit_eh_context.
6989 2000-04-24 Nick Clifton <nickc@redhat.com>
6991 * combine.c (combine_instructions): Do not try to combine a
6992 sequence of insns when the second insn has been replaced by a
6995 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
6997 * gcc.c (load_specs): New static function.
6998 (read_specs): Use it.
7000 * gcc.c (lookup_compiler): Make multiple passes for case
7001 insensitive filesystems.
7003 2000-04-24 Neil Booth <NeilB@earthling.net>
7005 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7006 * cpphash.h (_cpp_check_directive): new.
7007 * cpplex.c (handle_newline, cpp_free_token_list,
7008 init_trigraph_map, trigraph_ok, trigraph_replace,
7009 backslash_start, skip_block_comment, skip_line_comment,
7010 skip_whitespace, parse_name, parse_number, parse_string,
7011 copy_comment, _cpp_lex_line, spell_char, spell_string,
7012 spell_comment, spell_name, spell_other, _cpp_lex_file,
7013 _cpp_output_list): new.
7014 (expand_name_space): take length argument.
7015 (init_token_list): add comment list initialisation.
7016 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7017 instead of HSPACE_BEFORE.
7019 * cpplib.c (_cpp_check_directive): new
7020 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7021 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7022 (HSPACE_BEFORE): delete.
7023 (TTYPE_TABLE): rearrange.
7024 (struct cpp_toklist): update.
7026 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7028 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7029 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7030 argument form of AC_DEFINE.
7032 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7033 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7034 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7035 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7036 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7038 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7040 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7042 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7043 deduced.h): Use -isystem, not -I, for including system headers.
7045 2000-04-24 Nick Clifton <nickc@cygnus.com>
7047 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7048 the source register is the frame pointer or arg pointer.
7049 (addsi3_small_int): Disallow if source register is the frame
7050 pointer or arg pointer.
7052 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7054 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7055 call to AC_MSG_RESULT.
7057 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7059 * invoke.texi: Correct grammatical errors, document
7060 -fno-gnu-keywords as identical to -fno-asm for C++.
7062 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7064 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7065 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7066 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7067 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7068 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7070 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7071 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7072 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7073 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7076 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7078 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7079 (pop_alignment): Likewise.
7080 (handle_pragma_token): Likewise.
7082 2000-04-24 Robert Lipe <robertlipe@usa.net>
7084 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7086 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7088 * combine.c (try_combine): Update reg_nonzero_bits of
7089 newi2pat before newpat.
7091 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7093 * loop.c (strength_reduce): Simplify test to INSN_P.
7094 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7095 expressions instead of CONST_INT.
7096 (express_from_1): Likewise.
7098 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7100 * regs.h (reg_n_max): Don't declare.
7101 * flow.c (reg_n_max): Don't define.
7102 * regclass.c (renumber): Don't initialize to zero.
7103 (regno_allocated): Likewise.
7104 (reg_n_max): Define.
7105 (allocate_reg_info): Don't initialize unnecessarily.
7107 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7109 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7110 and blockage_p in the newly allocated attribute.
7112 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7114 * config/mn10300/mn10300.md (addsi): `inc4' on address
7115 registers does not modify cc, but `inc' on an extended
7118 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7120 * reload.c (find_equiv_reg): Checks all valueno regs
7121 as a reload_reg_p regs.
7123 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7125 * cpphash.c (collect_objlike_expansion): Add sanity check.
7126 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7127 the buffer is the empty string, return. Mark __DATE__ and
7128 __TIME__ as XCONST nodes, not MCONST.
7129 (_cpp_macroexpand): Avoid pushing an empty buffer.
7130 (funlike_macroexpand): Don't pop token_buffer here.
7132 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7134 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7135 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7136 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7137 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7138 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7139 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7140 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7142 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7144 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7147 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7149 * cpphash.h (struct definition): Move file, line, col members...
7150 (struct hashnode): ... here. Also add 'disabled' flag.
7151 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7152 T_IDENTITY. Remove T_DISABLED.
7155 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7156 (collect_expansion): Split into collect_objlike_expansion and
7157 collect_funlike_expansion.
7158 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7159 funlike_macroexpand.
7160 (_cpp_compare_defs): Rename compare_defs, make static.
7161 (_cpp_make_hashnode): Initialize hp->disabled.
7162 (macro_cleanup): Adjust for new token types. Clear
7164 (_cpp_create_definition): Move code here to determine what
7165 sort of macro it is, and code to check for redefinitions, from
7166 do_define. Implement a few simple cases without creating a
7168 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7169 Handle the simple cases.
7170 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7173 * cppinit.c (builtin_array): Change MCONST to XCONST
7175 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7176 fix check for disabled and function-like macros.
7177 * cpplib.c (do_define): Move most logic to
7178 _cpp_create_definition.
7179 (do_undef): Handle new special token types.
7181 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7183 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7184 of CONSTANT_P for mult_val; always use validate_change to update insn.
7186 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7188 * cpphash.c (trad_stringify, add_pat): New functions.
7189 (collect_expansion): Restore support for -traditional syntax.
7190 Use trad_stringify and add_pat.
7191 (_cpp_macroexpand): Restore support for -traditional semantics.
7192 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7193 get a COMMENT token.
7194 (_cpp_lex_token): Provide COMMENT tokens to caller if
7195 traditional and parsing_define_directive.
7196 (skip_comment): Warn about // comments if -Wtraditional.
7197 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7199 (do_undef): Don't warn about undefining EMPTY nodes.
7201 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7203 * loop.c (strength_reduce): Fix biv removal code.
7205 2000-04-22 Richard Henderson <rth@cygnus.com>
7207 * predict.c (estimate_probability): Examine both sides of
7208 a branch for no exits. Use 90% not 50% for predict taken.
7209 Reorg for one copy of note generation code.
7211 2000-04-22 Richard Henderson <rth@cygnus.com>
7213 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7215 2000-04-22 Richard Henderson <rth@cygnus.com>
7217 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7218 (output_clear): Likewise.
7219 (output_printf): Use va_copy.
7220 (vline_wrapper_message_with_location): Likewise.
7221 (v_message_with_decl): Likewise.
7222 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7223 * system.h (va_copy): Provide default implementation.
7225 2000-04-22 Richard Henderson <rth@cygnus.com>
7227 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7228 the collected condition is not a constant.
7230 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7232 * diagnostic.h: New file.
7234 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7236 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7237 various function prototypes.
7238 (diagnostic.h): #include.
7239 (struct output_buffer): Move into diagnostic.h.
7240 (get_output_prefix): Rename to output_get_prefix. Export.
7241 (init_output_buffer): Export. Break out. Ajust intialization.
7242 (output_space_left, output_append): Export.
7243 (output_newline): Rename to output_add_newline. Export.
7244 (output_clear): Nullify additional output_buffer fields.
7245 (output_puts): Rename to output_add_string. Export.
7246 (dump_output): Rename to output_flush_on. Export.
7247 (build_location_prefix): Constify return-type.
7248 (emit_output_prefix): Rename to output_emit_prefix. Export.
7249 (set_real_maximum_length): New function.
7250 (output_set_maximum_length): Ditto
7251 (output_clear): Ditto.
7252 (output_add_character): Ditto.
7253 (output_add_integer): Ditto.
7254 (output_add_space): Ditto.
7255 (output_format): Ditto.
7256 (output_printf): Adjust buffer initialization.
7257 (vline_wrapper_message_with_location): Ditto.
7258 (v_message_with_decl): Ditto. Adjust call to output_puts
7259 and get_output_prefix.
7260 (default_print_error_function): Adjust buffer intialization.
7262 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7264 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7267 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7269 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7272 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7274 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7275 accurate data about SP moves.
7277 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7279 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7280 aliases to AM33 registers.
7282 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7284 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7285 to all EXTENDED bitmaps.
7287 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7289 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7290 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7291 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7293 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7295 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7296 the operand is not constant.
7298 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7300 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7301 as a call-clobbered regs.
7303 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7305 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7307 * rtl.def: Update comment.
7308 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7309 * integrate.c (expand_inline_function): Likewise.
7310 * profile.c (branch_prob): Likewise.
7311 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7312 * print-rtl.c (print_rtx): Likewise.
7313 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7314 (reemit_notes): Likewise; also use enum insn_note.
7316 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7317 (place_field): Properly compute know and actual alignment.
7319 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7322 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7325 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7327 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7328 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7329 (collect_expansion): Rewrite to scan over a token list.
7330 Remove -traditional support.
7331 (collect_formal_parameters): Rename to collect_params; rewrite
7332 to scan over a token list.
7333 (_cpp_create_definition): Adjust to scan a token list.
7334 (_cpp_macroexpand): Remove -traditional support.
7335 (_cpp_compare_defs): Whitespace is now canonicalized.
7336 (comp_def_part): Delete function.
7338 * cpphash.h: Update prototypes.
7339 * cpplex.c (init_token_list): Don't set lineno if there is no
7341 (pedantic_whitespace): New function.
7342 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7343 consume a newline. Use pedantic_whitespace.
7344 (_cpp_lex_token): Remove support for -traditional macros.
7345 (_cpp_get_define_token): Delete.
7346 (_cpp_get_directive_token): Do the real work here. Use
7347 pedantic_whitespace.
7348 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7350 * cpplib.c (get_macro_name): Delete.
7351 (do_define): Read the entire line into pfile->directbuf, then
7352 feed the token list to _cpp_create_definition.
7353 * cpplib.h (HSPACE_BEFORE): new define.
7354 (struct cpp_reader): Add a toklist member, "directbuf".
7356 * predict.c (estimate_probability): New heuristic: if a jump
7357 branches around a block with no successors, predict it taken.
7358 Disentangle control flow.
7360 2000-04-20 Richard Henderson <rth@cygnus.com>
7362 * loop.c (emit_iv_add_mult): Revert last change.
7364 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7366 * cpplib.h (enum cpp_ttype): Add token types for all
7367 punctuators. Distinguish pp-numbers from valid C numbers.
7368 Give some tokens better names. Initialize from macro.
7369 (struct cpp_name, cpp_token, cpp_toklist): New data
7372 * cpplex.c (bump_column, expand_name_space,
7373 expand_token_space, init_token_list, cpp_output_list,
7374 _cpp_scan_line): New functions.
7375 (output_line_command): Add third argument, new line number.
7376 * cpphash.h: Update prototypes.
7377 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7380 2000-04-20 Richard Henderson <rth@cygnus.com>
7382 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7384 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7386 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7389 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7391 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7392 REG_EQUAL note explaining the calculated value.
7394 * calls.c (expand_call): Avoid unnecesary precalculation
7395 and outgoing parameters space guarding for sibling calls.
7396 (store_one_arg): Likewise.
7398 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7400 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7401 (rest_of_compilation): Write sibling dump file and account
7402 for time as jump time.
7403 * invoke.texi: Update documentation on dump flags.
7405 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7407 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7409 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7411 * cpphash.c (special_symbol): Represent an empty macro with
7412 "\r \r " not just "\r ".
7413 (_cpp_macroexpand): Correct condition for the foo ( ) special
7415 (unsafe_chars): Handle EOF as second argument.
7416 (push_macro_expansion): Simplify test for removing escape at
7417 end. Do not trim both escapes if there is no text in between.
7419 2000-04-19 Jim Blandy <jimb@redhat.com>
7421 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7422 of PTR_SIZE, when appropriate.
7424 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7426 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7427 (USE_ENUM_BITFIELDS): Fix typo.
7429 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7431 * stor-layout.c (place_field): Set rli->offset_align properly.
7433 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7435 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7436 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7437 PARM_BOUNDARY): Remove unnecessary casts.
7439 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7441 * calls.c (precompute_arguments): Remove must_preallocate and
7443 (expand_call): Update call of precompute_arguments.
7445 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7446 check_insn_for_givs): Break out from ...
7447 (strength_reduce) ... here; use for_every_insn_in_loop to call
7448 check_insn_for_givs.
7449 * loop.h (for_every_insn_in_loop): Declare.
7450 (loop_insn_callback): New type.
7452 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7454 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7457 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7459 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7462 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7464 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7466 * configure.in: Delete --disable-cpplib option and all
7467 references to cpp_main.
7468 * configure: Regenerate.
7469 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7470 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7471 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7472 cpp$(exeext). Add --no-headers to makeinfo command line when
7473 generating INSTALL. Install and uninstall cpp.1 manpage, not
7475 * install.texi: Delete all references to cexp.y/cexp.c.
7476 Delete ancient instructions for compiling GCC on 3b1.
7477 * INSTALL: Regenerate.
7479 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7480 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7481 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7483 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7484 which is no longer tested anywhere.
7486 * cppinit.c (handle_option): Don't run error message through
7489 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7491 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7492 * cpperror.c (hashtab.h): Now include.
7493 * cppexp.c (hashtab.h): Likewise.
7494 * cpplex.c (hashtab.h): Likewise.
7495 * cppfiles.c (hashtab.h): Likewise.
7496 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7497 to htab_find_slot_with_hash.
7498 * cpphash.c (hashtab.h): Now include.
7499 (_cpp_lookup_slot): INSERT is now enum insert_option.
7500 * cpphash.h (_cpp_lookup_slot): Likewise.
7501 * cppinit.c (hashtab.h): Include earlier.
7502 (initialize_builtins): Pass enum to htab_find_slot.
7503 * cpplib.c (hashtab.h): Now include.
7504 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7505 (do_pragma_poison, do_assert): Likewise.
7506 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7507 htab_find_slot_with_hash.
7508 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7509 * tree.c (type_hash_add): Likewise.
7510 (build1): Minor cleanup.
7512 * ggc-common.c: Add missing blanks.
7513 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7514 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7516 * stmt.c (mark_case_node): New function.
7517 (mark_case_nesting): Call it.
7519 * expmed.c (emit_store_flag): If comparing two-word integer
7520 with zero, can optimize NE, EQ, GE, and LT.
7522 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7523 * conflict.c: Minor cleanups.
7524 * optabs.c: Add blank line
7525 * simplify-rtx.c: Minor cleanups.
7527 2000-04-18 Stan Cox <scox@cygnus.com>
7529 * gengenrtl.c (genlegend): Fix misspelling.
7531 2000-04-18 Robert Lipe <robertlipe@usa.net>
7533 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7534 bitfields of the host compiler are not signed quantities.
7535 * config.in: Regenerate.
7536 * configure: Regenerate.
7537 * system.h (USE_ENUM_BITFIELDS): Added.
7538 (ENUM_BITFIELDS): Added.
7539 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7540 (SHORT_ENUM_BUG): Deleted.
7541 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7543 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7544 (CODE_FIELD_BUG): Likewise.
7545 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7547 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7549 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7551 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7554 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7556 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7557 * cpplib.c (do_include, do_import, do_include_next,
7558 read_line_number, detect_if_not_defined): Likewise.
7559 * cpphash.c (collect_expansion): Likewise.
7560 (special_symbol, _cpp_macroexpand): Check return from
7562 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7563 macros. Delete all uses.
7565 * gcc.dg/cpp-mi.c: Add two more test cases.
7566 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7568 2000-04-17 Richard Henderson <rth@cygnus.com>
7570 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7571 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7573 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7575 * function.c (expand_function_start): Use hard_function_value to
7576 compute the RTL to use for DECL_RESULT.
7578 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7580 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7581 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7582 x86_memory_mismatch_stall): New global variables.
7583 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7584 alloved; fix load penalties for Athlon.
7585 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7586 x86_memory_mismatch_stall): Declare.
7587 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7588 TARGET_MEMORY_MISMATCH_STALL): New.
7589 * i386.md (athlon scheduling parameters): Fix latencies according to
7590 Athlon Optimization Manual.
7591 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7593 (fsqrt instruction patterns): Set athlon_decode to direct.
7594 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7595 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7596 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7597 and TARGET_PARTIAL_REGISTER_STALL machines.
7598 (pushdf_nointeger): New pattern.
7599 (pushdf_integer): Rename from pushdf.
7600 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7601 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7603 2000-04-17 Richard Henderson <rth@cygnus.com>
7605 * loop.c (canonicalize_condition): Add WANT_REG argument.
7606 Stop the search if we match it.
7607 * expr.h (canonicalize_condition): Update decl.
7608 * predict.c (expected_value_to_br_prob): Use it. Track last
7609 expected value note.
7610 (find_expected_value): Remove.
7612 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7614 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7616 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7617 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7619 * configure.in: Call AC_FUNC_MMAP_FILE.
7620 * configure: Regenerate.
7621 * config.in: Regenerate.
7623 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7624 * fixinc/fixincl.c: Likewise.
7626 2000-04-17 Richard Henderson <rth@cygnus.com>
7628 * builtins.c (expand_builtin_expect): New.
7629 (expand_builtin): Call it.
7630 * builtins.def (BUILT_IN_EXPECT): New.
7631 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7632 * extend.texi: Document it.
7634 * predict.c (expected_value_to_br_prob): New.
7635 (find_expected_value): New.
7636 * basic-block.h (expected_value_to_br_prob): Declare.
7637 * toplev.c (rest_of_compilation): Invoke it.
7639 * rtl.h (NOTE_EXPECTED_VALUE): New.
7640 (NOTE_INSN_EXPECTED_VALUE): New.
7641 * rtl.c (note_insn_name): Update.
7642 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7643 cases; handle NOTE_INSN_EXPECTED_VALUE.
7645 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7647 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7648 leaf sibcall delay slot if flag_pic.
7649 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7651 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7653 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7655 * fixproto: If fix-header fails, exit with an error.
7657 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7659 * cse.c (struct check_depdendence_data): New.
7660 (check_dependence): New function.
7661 (invalidate): Use check_depdenence.
7663 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7665 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7666 UNITS_PER_WORD is unsigned.
7668 * tree.h (struct tree_common): Remove misleading comment.
7670 2000-04-16 Dave Pitts <dpitts@cozx.com>
7672 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7673 message in quotes. Otherwise, IBM's make program treats the '#' as the
7674 start of a comment and ignores the remainder of the line.
7676 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7678 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7679 * cexp.y (initialize_random_junk): Likewise.
7680 * cppfiles.c (find_include_file): Cast alloca return value.
7681 * cppinit.c (initialize_standard_includes): Likewise.
7682 * cpplib.c (cpp_define, cpp_undef): Likewise.
7683 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7684 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7685 * fold-const.c (CHARMASK): New.
7686 (real_hex_to_f): Use it.
7687 * real.c (CHARMASK): New.
7688 (etoasc, asctoeg): Use it.
7689 (asctoeg): EBCDIC lower case characters preceed upper case.
7691 * i370.c (mvs_add_label): Change spacing for coding conventions.
7692 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7693 outputing case vectors.
7694 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7695 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7696 since vector in in the data CSECT.
7697 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7698 * i370.md (Many patterns): Put the length in the XL directives.
7699 (movdi): Put back STM and MVC in definition.
7700 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7701 pattern using the TCA.
7702 * oe.h (CPP_SPEC): Added to allow trigraphs.
7703 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7704 not support the "long long" type.
7706 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7708 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7710 (mips_reg_mode_ok_for_base_p): Likewise.
7711 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7712 (REG_OK_FOR_INDEX_P): Define unconditionally.
7713 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7714 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7715 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7716 that GET_MODE_SIZE is unsigned.
7717 (mips_reg_mode_ok_for_base_p): Define.
7718 (mips_legitimate_address_p): Likewise. Adjust now
7719 that GET_MODE_SIZE is unsigned.
7720 (block_move_loop): Make the number of bytes unsigned.
7721 (expand_block_move): Likewise.
7722 (function_arg): Make the loop counter unsigned to match the
7725 2000-04-16 Richard Henderson <rth@cygnus.com>
7727 * rtl.h (enum insn_note): New enumeration. Subsume
7728 NOTE_INSN_DELETED and friends.
7729 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7730 * rtl.c (note_insn_name): Tweak string order.
7732 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7734 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7737 * cpplex.c (output_line_command): Remove debugging prints.
7738 (cpp_output_tokens): Don't write out a zero-length buffer or
7739 try to see if it has a newline in it.
7740 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7741 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7742 the end of the loop. Use memmove. Don't read past the end of
7743 the buffer. Remove trailing newlines from error messages.
7745 2004-04-16 Neil Booth <NeilB@earthling.net>
7747 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7748 * cpplib.c: Add new syntax flags to directive table, and
7751 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7753 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7756 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7758 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7759 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7761 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7763 * Makefile.in (ggc-page.o): Now includes toplev.h.
7764 * ggc-page.c (toplev.h): Now included.
7765 (gc_time): Remove declaration.
7766 (ggc_collect): TIME now long.
7767 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7769 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7771 * toplev.c: Make *_time variable long to reduce chance of overflow.
7772 (TIMEVAR): Likewise for `otime'.
7773 (print_time): Arg is now long; compute percentage in FP and round.
7774 * toplev.h (print_time): Arg is long.
7776 * tree.c: Minor whitespace changes.
7778 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7779 * configure: Rebuilt.
7780 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7781 (__fixunsxfDI): Renamed from __fixunsxfdi.
7782 (__fixunsdfDI): Renamed from __fixunsdfdi.
7783 (__fixunssfDI): Renamed from __fixunssfdi.
7784 (__floatdisf): Use proper type in REP_BIT macro.
7785 (__fixunsxfSI): Renamed from __fixunsxfsi.
7786 (__fixunsdfSI): Renamed from __fixunsdfsi.
7787 (__fixunssfSI): Renamed from __fixunssfsi.
7788 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7789 Change location of macros and upper-case some names as above.
7790 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7791 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7793 * varasm.c (assemble_variable): Add cast to remove warning.
7794 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7796 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7797 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7798 region number to -1.
7800 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7802 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7803 call unshare_all_rtl.
7805 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7807 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7809 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7810 Use .s1 not .s0 for all FP instructions.
7812 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7814 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7816 (safe_fwrite, output_line_command): New static functions.
7817 (cpp_expand_to_buffer): Now private to cpplib.
7818 (cpp_scan_buffer): Take a printer.
7820 * cpphash.h: Update prototypes.
7821 * cpplib.h: Update prototypes.
7823 (cpp_buffer): Remove last_nominal_fname.
7824 (cpp_reader): Remove lineno.
7826 * cppmain.c: Use a cpp_printer.
7827 * fix-header.c: No need to inhibit line commands. Call
7828 cpp_start_read with no printer.
7830 * cpperror.c (cpp_notice_from_errno): Provide default name.
7831 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7832 (find_include_file, cpp_read_file): Use make_IHASH.
7833 (file_cleanup): Set control_macro and clear
7834 input_stack_listing_current here.
7835 (_cpp_execute_include): Don't output entering-file marker.
7836 * cpphash.c (special_symbol): Look for the line number in the
7837 buffer, not the reader.
7838 (_cpp_macroexpand): No need to disable line commands.
7839 (_cpp_dump_definition): No need to generate line commands.
7840 (dump_hash_helper): Remove excess newline from output.
7841 * cppinit.c (dump_special_to_buffer): No need to generate line
7843 (cpp_printer_init): New.
7844 (cpp_start_read): Take a printer, and start it up if it's not
7845 NULL. No need to generate line commands.
7846 (cpp_finish): Expect no buffers stacked at all. Take a
7847 printer argument, and flush the output buffer if it's not
7849 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7850 Don't put two hashes at the beginning of an assertion.
7851 (cpp_get_token): Don't increment pfile->lineno or emit line
7852 commands here. Return EOF if there's no buffer when we get
7854 * cpplib.c (do_define, skip_if_group):
7855 No need to disable line commands.
7856 (_cpp_output_line_command): Delete function.
7857 (do_line): Don't emit line commands here, but set things up so
7858 they will be emitted if necessary. Use _cpp_fake_ihash to
7859 make unique nominal_fnames if necessary.
7860 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7861 with 0 for column, not -1.
7862 (_cpp_handle_eof): Don't set the control macro here. Don't
7863 clear input_stack_listing_current here. Don't emit line
7866 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7868 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7869 always, use the default SVR4 start address.
7871 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7872 (LINK_SHLIB_SPEC): Define.
7873 (LINK_START_DEFAULT_SPEC): Define.
7874 (LINK_OS_DEFAULT_SPEC): Define.
7876 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7878 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7879 __do_global_ctors to handle constructors.
7880 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7881 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7882 (STARTFILE_MVME_SPEC): Likewise.
7883 (STARTFILE_SIM_SPEC): Likewise.
7884 (ENDFILE_ADS_SPEC): Use crtend.
7885 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7886 (ENDFILE_MVME_SPEC): Likewise.
7887 (ENDFILE_SIM_SPEC): Likewise.
7888 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7889 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7890 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7891 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7892 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7893 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7894 (CRTSTUFF_T_CFLAGS_S): Define.
7895 * config/rs6000/eabi-ctors.c: Delete.
7897 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7900 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
7904 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
7906 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
7907 plus mask size is smaller or equal to the mode size.
7909 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7911 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
7914 * expr.c (reload.h): Now included.
7915 (emit_block_move): Set volatile_ok when checking for movstr.
7916 (emit_move_1): Check for replacements in addresses in multi-word case.
7917 * Makefile.in (expr.o): Now includes reload.h.
7919 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
7920 Never have a LIBCALL end a basic block.
7921 (find_basic_blocks_1): Likewise.
7922 Reorganize CALL_INSN cases.
7924 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
7926 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7928 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
7929 completers from mov.ret instruction.
7931 2000-04-14 Richard Henderson <rth@cygnus.com>
7933 * fold-const.c (extract_muldiv): Don't distribute and widen
7934 multiply across plus for non-sizetype unsigned types.
7936 2000-04-14 Richard Henderson <rth@cygnus.com>
7938 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
7939 If the original source is dead in the incr insn, it's dead now.
7941 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7943 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
7944 see if DECL_BIT_FIELD needs to still be set.
7946 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
7948 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
7949 print_int_cst_octal with something that's not an INTEGER_CST.
7951 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
7952 and not a SUBREG to a FLOAT rtl.
7954 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
7956 * emit-rtl.c (try_split): Avoid infinite loop if the split
7957 results in a sequence that contains the original insn.
7959 2000-04-13 Andreas Jaeger <aj@suse.de>
7961 * config/mips/mips.c (expand_block_move): Pass alignment
7962 argument to move_by_pieces in bits, not bytes.
7964 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
7965 __pic__ for little endian.
7967 2000-04-13 Andreas Jaeger <aj@suse.de>
7969 * config/i386/i386-protos.h: Add prototype for
7970 uno_comparison_operator.
7972 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7974 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
7975 * calls.c (ECF_PURE): New flag.
7976 (emit_call_1): Handle ECF_PURE calls.
7977 (initialize_argument_information): Unset ECF_PURE flag too.
7978 (precompute_arguments): Precompute for ECF_PURE too.
7979 (expand_call): Handle ECF_PURE calls too.
7980 (emit_library_call_value_1): Rename no_queue argument to fn_type,
7981 accept value of 2 as pure function.
7982 (emit_library_call_value, emit_library_call): Rename no_queue argument
7984 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
7986 * tree.h (DECL_IS_PURE): New macro.
7987 (struct tree_decl): Add pure_flag.
7988 * c-common.c (enum attrs): Add attribute "pure".
7989 (init_attributes): Initialize attribute "pure"
7990 (decl_attributes): Handle attribute "pure".
7991 * extend.texi (Attribute "pure"): Document.
7992 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
7994 (flags_from_decl_or_type): Support attribute "pure".
7996 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
7998 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
7999 the token except for numbers and identifiers.
8001 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8003 * i386.c (ix86_expand_binary_operator,
8004 ix86_expand_unary_operator): Check no_new_pseudos
8005 instead of reload_in_progress and reload_completed.
8006 (ix86_split_ashldi, ix86_split_ashrdi,
8007 ix86_split_lshrdi): Check no_new_pseudos instead
8008 of reload_completed.
8010 2000-04-12 Jeffrey A Law (law@cygnus.com)
8012 * function.c (purge_addressof): Unshare any shared rtl created by
8013 purge_addressof and its children.
8015 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8017 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8020 2000-04-05 Andreas Jaeger <aj@suse.de>
8022 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8023 not compiling PIC code, add flags for mabi=64.
8024 (SUBTARGET_CPP_SIZE_SPEC): New.
8025 (SUBTARGET_CPP_SPEC): New.
8026 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8027 for MIPS/Linux and lots of code needs these defines.
8029 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8031 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8032 trying the "opposite arithmetic" approach.
8034 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8036 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8037 (struct sh_args): Add new field force_mem.
8038 (INIT_CUMULATIVE_ARGS): Initialize it.
8039 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8041 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8043 * calls.c (expand_call): Do not reverse args in "equal from" field.
8044 (emit_library_call_value_1): Emit_libcall_block for const and pure
8047 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8049 * reload1.c (reload_combine): Don't enable optimization for fixed
8050 registers when encountering a BARRIER.
8052 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8054 * builtins.c (expand_builtin_memcmp): Do expansion even with
8055 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8057 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8058 stack is propertly aligned; add sanity checking for aligned
8060 (expand_library_call_value_1): Add sanity checking for aligned
8063 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8065 * calls.c (emit_library_call_value_1): Change 3rd arg to
8066 locate_and_pad_parm to disregard the setting of partial.
8068 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8070 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8072 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8073 CALL_INSN from the normal case.
8075 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8077 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8078 New global variables.
8079 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8081 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8083 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8084 TARGET_ADD_ESP_8): New macros.
8085 * i386.md: Add peep2s to convert esp adjustments to push and pop
8087 (pushsi_prologue, popsi_epilogue): New patterns.
8089 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8091 * real.c (toe64): Remove stale #endif from the last change.
8093 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8095 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8096 * real.c (toe64): Revert previous change.
8098 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8100 * objc/objc-act.c: Include ggc.h.
8101 (objc_tree_index, objc_global_trees): Convert most of the
8102 static tree variables into a static array with previous names
8104 (objc_ellipsis_node): New variable.
8105 (lang_init): Call objc_act_parse_init and c_parse_init.
8106 Create objc_ellipsis_node.
8107 (build_selector_translation_table): Use objc_ellipsis_node instead
8109 (hack_method_prototype): Likewise.
8110 (get_arg_type_list): Likewise.
8111 (start_method_def): Likewise.
8112 (continue_method_def): Likewise.
8113 (gen_method_decl): Likewise.
8114 (ggc_mark_imp_list): New function.
8115 (ggc_mark_hash_table): New function.
8116 (objc_act_parse_init): New function.
8117 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8118 * c-parse.in (c_parse_init): For objc add roots of objc specific
8119 local tree variables.
8120 * objc/objc-parse.y: Rebuilt.
8121 * objc/objc-parse.c: Rebuilt.
8122 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8124 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8126 * cse.c (delete_trivially_dead_insns): Also delete insns
8127 that copy a register to itself where the destination is
8130 2000-04-11 Richard Henderson <rth@cygnus.com>
8132 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8133 (propagate_block): Initialize them. Use them in parallel instead
8134 of one tmp variable, ie revert much of the 0408 and 0407 functional
8135 changes, but keep the structural changes.
8136 (mark_set_regs): Take new_dead from propagate_block_info instead.
8137 (mark_set_1, mark_set_reg): Likewise.
8138 (mark_used_regs): Likewise with new_live.
8139 (mark_used_reg): Likewise. Revert 0408 change.
8141 2000-04-11 Nick Clifton <nickc@cygnus.com>
8143 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8145 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8147 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8149 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8150 const section to output a CONSTRUCTOR based on the same conditions
8153 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8155 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8156 * pa/pa-protos.h (output_call): Add additional argument indicating
8157 if the call is a sibling/tail call.
8158 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8159 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8160 (function_arg, function_arg_partial_nregs): Likewise
8161 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8162 (emit_move_sequence): Zero extend certain constants as needed
8164 (compute_zdepdi_operands, output_64bit_and): New functions.
8165 (output_64bit_ior, function_arg): Likewise.
8166 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8167 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8168 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8169 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8170 (output_bvb): Likewise.
8171 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8172 (output_call): New argument 'sibcall'. Generate sibcall sequences
8174 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8175 (ouput_arg_descriptor): Do not emit argument descriptors for
8177 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8179 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8180 (FUNCTION_OK_FOR_SIBALL): Define.
8181 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8182 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8183 (CPP_SPEC): Use new spec infrastructure.
8184 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8185 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8186 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8187 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8188 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8189 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8190 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8191 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8192 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8193 (FUNCTION_ARG); Call out to C code.
8194 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8195 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8196 (MIN_UNITS_PER_WORD): Likewise.
8197 * pa/pa.md (cmpdi): New expander.
8198 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8199 (64bit conditional arithmetic): New patterns.
8200 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8201 (movsicc): Not available if modes on all the operands to not match.
8202 (movdicc): New expander and associated patterns.
8203 (64bit branches): New patterns.
8204 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8205 (pre_ldd, post_std): New patterns.
8206 (64bit addil, load low part): New patterns.
8207 (special movsf constant): Not available for TARGET_64BIT.
8208 (movsf, movdf expanders): Force constants into memory.
8209 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8210 (64bit movdf/movdi patterns): New patterns.
8211 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8213 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8214 (adddi3 expander): Allow "arith_operand" for second input.
8215 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8216 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8217 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8218 (muldi3): New expander for TARGET_64BIT.
8219 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8221 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8222 patterns for TARGET_64BIT.
8223 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8224 patterns for TARGET_64BIT.
8225 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8226 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8227 (sibcall_epilogue): New expander.
8228 (casesi): Tweak for TARGET_64BIT.
8229 (call expanders): Set & use the outgoing argument pointer. Use the
8230 64bit call patterns as needed. Add additional arg to output_call.
8231 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8232 (sibcall, sibcall_internal_symref): New expanders.
8233 (sibcall_value, sibcall_value_internal_symref
8234 (interspace_jump): Turn into an expander + matching patterns.
8235 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8236 * pa/pa64-regs.h: Eliminate trigraph sequences.
8237 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8239 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8241 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8242 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8243 cpp_token with cpp_ttype everywhere.
8244 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8245 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8246 CPP_BUF_COL. Line and column numbers are unsigned int, not
8248 * cpplex.c (cpp_buf_line_and_col): Delete.
8249 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8250 'long lineno' to 'unsigned int lineno'.
8251 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8253 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8255 * extend.texi: ISO C99 is not a draft anymore.
8256 * invoke.texi: ISO C++ is not a draft anymore.
8257 * cpp.texi: __cplusplus is required by the ISO standard.
8259 * extend.texi (-fthis-is-variable): Undocument.
8260 * flags.h (warn_template_debugging): Remove declaration.
8261 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8262 -Wenum-clash, -Wtemplate-debugging): Undocument.
8264 2000-04-10 Nick Clifton <nickc@cygnus.com>
8266 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8268 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8270 (ARM_SIGN_EXTEND): Use HOST_UINT.
8271 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8272 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8273 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8274 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8276 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8277 (arm_gen_constant): Use HOST_UINT.
8278 (arm_canonicalize_constant): Use HOST_UINT.
8279 (arm_reload_in_hi): Use HOST_UINT.
8280 (arm_reload_out_hi): Use HOST_UINT.
8281 (output_multi_immediate): Use HOST_UINT.
8282 (int_log2): Use HOST_UINT.
8283 (arm_poke_function_name): Use HOST_UINT.
8284 (arm_output_epilogue): Use arm_volatile_func().
8285 (output_thumb_prologue): Use arm_strip_name_encoding().
8287 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8289 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8290 of sequence point problems.
8292 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8294 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8296 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8298 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8300 * sbitmap.h: Whitespace changes and use upper-case macro args.
8301 (struct simple_bitmap_def): All sizes now unsigned.
8302 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8303 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8304 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8305 (sbitmap_zero): Cast bzero arg to PTR.
8306 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8307 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8308 loop to make structure clearer.
8309 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8310 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8311 (sbitmap_a_and_b_or_c): Likewise.
8312 (sbitmap_intersection_of_succs): Minor cleanups.
8313 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8314 (sbitmap_union_of_preds): Likewise.
8315 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8316 (debug_sbitmap): New function.
8318 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8319 * c-typeck.c (convert_for_assignment): Likewise.
8321 * expmed.c (init_expmed): Don't free objects we make.
8322 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8324 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8325 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8327 * gcse.c (expr_hash_table_size): Now unsigned.
8328 (compute_ae_gen): Local variable `i' now unsigned.
8329 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8330 (compute_transout, hoist_code): Likewise.
8331 (compute_local_properties): Likewise, also hash_table_size.
8332 (alloc_expr_hash_table): N_INSNS now unsigned.
8333 (delete_null_pointer_checks): Mark arg F as unused.
8335 * regrename.c: Minor cleanups, including chang some variables
8338 2000-04-10 Neil Booth <NeilB@earthling.net>
8340 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8342 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8344 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8346 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8347 __classof__, and __headof__ from the list of gnu keywords.
8348 (-ansi): Remove -foperator-names from list of implied options.
8349 Do not call it ANSI C++.
8350 (-foperator-names): Document as -fno-operator-names.
8352 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8354 * cpphash.c (timestamp): Delete.
8355 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8356 (special_symbol): Remove unnecessary braces. Remove
8357 T_VERSION. Treat T_STDC like T_CONST unless
8358 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8359 when one is encountered, then convert them into T_MCONST
8361 * cppinit.c (builtin_array): version_string is T_MCONST.
8362 __STDC__ has a "1" in its cpval. Don't have a terminator
8363 entry. Clean up which entries are dumped.
8364 (initialize_builtins): Only __STDC__ gets the special
8365 -traditional treatment. Count the length of builtin_array.
8366 Render version_string here.
8367 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8368 * cpplib.h (struct cpp_reader): Remove timebuf.
8370 2000-04-09 Richard Henderson <rth@cygnus.com>
8372 * genrecog.c (pred): Update comparison_operator for the unordered
8375 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8377 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8378 (uno_comparison_operator): New.
8379 (put_condition_code): Handle UNORDERED/ORDERED.
8380 (unsigned_comparison): Likewise.
8381 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8382 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8383 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8384 update all callers. Handle all 8 unordered operators.
8385 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8386 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8387 * config/i386/i386.h (PREDICATE_CODES): Update.
8388 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8389 (ix86_expand_branch, ix86_expand_setcc): Update.
8390 * config/i386/i386.md (sunordered, sordered): New.
8391 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8392 (bunordered, bordered): New.
8393 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8394 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8395 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8397 2000-04-09 Philip Blundell <philb@gnu.org>
8399 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8401 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8403 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8404 fix_truncxfhi2): New patterns.
8405 * i386.c (output_fix_trunc): Handle converting to HImode.
8407 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8409 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8411 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8412 (for_each_successor_phi): Change parameter to basic_block.
8413 (coalesce_regs_in_successor_phi_nodes): Likewise.
8414 (coalesce_regs_in_copies): Likewise.
8415 (compute_coalesced_reg_partition): Use basic_block instead of index.
8416 * rtl.h (convert_to_ssa): Delete.
8417 (convert_from_ssa): Likewise.
8418 (successor_phi_fn): Likewise.
8419 (for_each_successor_phi): Likewise.
8420 (in_ssa_form): Likewise.
8421 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8422 (convert_from_ssa): Likewise.
8423 (successor_phi_fn): Likewise.
8424 (in_ssa_form): Likewise.
8425 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8426 * flow.c (calculate_global_regs_live): Pass a basic_block to
8427 for_each_successor_phi.
8429 2000-04-08 Richard Henderson <rth@cygnus.com>
8431 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8432 was modified in the current insn.
8434 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8436 * arm/thumb.md: Delete.
8437 * arm/thumb-protos.h: Delete.
8439 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8441 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8443 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8445 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8448 * arm.md (nop): Use the standard RTL expression. Don't code as a
8450 (*arm_nop, *thumb_nop): Delete.
8452 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8453 constants. Use casts instead.
8454 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8455 output_multi_immediate, arm_poke_function_name): Likewise.
8456 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8457 MASK_RETURN_ADDDR): Likewise.
8459 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8461 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8464 * arm.md (eh_epilogue): New function.
8465 * arm.h (struct machine_function): Move to here ...
8466 * arm.c: ... from here.
8467 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8468 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8469 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8471 2000-03-30 Nick Clifton <nickc@cygnus.com>
8473 * config/arm/semi.h (ASM_SPEC): Restore definition.
8474 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8476 * config/arm/elf.h (ASM_SPEC): Restore definition.
8477 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8479 * config/arm/arm.h (ASM_SPEC): Remove definition.
8480 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8482 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8484 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8486 2000-03-24 Nick Clifton <nickc@cygnus.com>
8488 Various formating tidyups, elimination of compile time
8489 warnings and synchronisation with internal sources:
8491 * config/arm/arm-protos.h (assemble_align): Add prototype.
8492 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8493 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8494 (arm_return_addr_rtx): Rename to arm_return_addr.
8496 * config/arm/arm.c: Include except.h.
8497 Define shorter typenames for strict minipool_node and struct
8499 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8501 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8502 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8504 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8506 (ASM_SPEC): Define if not already defined.
8507 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8509 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8510 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8511 arm_gen_compare_reg.
8512 (indirect_jump): Only accept register operands.
8513 (load_indirect_jump): Keep this pattern since combine can generate
8516 * config/arm/coff.h: Include aout.h.
8517 (MULTILIB_DEFAULTS): Only define if not already defined.
8519 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8520 into arm.h (so that COFF ports can support thumb based aliases).
8521 (ASM_SPEC): Move definition into arm.h
8523 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8524 redundant apcs spec.
8525 (ASM_SPEC): Move definition to arm.h
8527 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8529 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8530 for entries in the .bss section
8532 2000-03-23 Nick Clifton <nickc@cygnus.com>
8534 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8535 to thumb_far_jump_used_p.
8537 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8538 single integer parameter.
8540 * config/arm/arm.c (struct machine_function): Add two new
8541 fields, 'far_jump_used' and 'arg_pointer_live'.
8542 (thumb_far_jump_used_p): Once the decision has been made that
8543 far jumps might be used, always return true.
8544 If being called from the initial elimination offset macro then
8545 do not bother to perform the test if the arg pointer is not
8547 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8548 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8550 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8552 * arm.c (output_return_instruction): Handle more cases where we can
8553 return from a function with an ldr instruction.
8554 (arm_output_epilogue): Likewise.
8556 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8557 if we need to push a large stack frame and there are no callee-saved
8560 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8561 in ARM code if the frame pointer has been eliminated.
8563 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8564 unspec_volatile arguments to avoid duplicates.
8565 (consttable_1, consttable_2): Fixes for big-endian mode.
8567 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8570 Re-write constant pool code.
8571 * arm.c (minipool_node, minipool_fix): New types.
8572 (minifix): Delete type.
8573 (arm_add_minipool_constant): Delete.
8574 (arm_compute_minipool_offsets, arm_find_barrier,
8575 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8576 (get_jump_table_size): Now returns HOST_WIDE_INT.
8577 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8579 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8580 (assign_minipool_offsets, arm_print_value): Likewise.
8581 (dump_minipool): Rewrite.
8582 (arm_barrier_cost): New function.
8583 (create_fix_barrier): New function.
8584 (push_minipool_barrier): New function.
8585 (push_minipool_fix): Record additional information about the fixup
8587 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8588 check the mode of what needs fixing.
8589 (arm_reorg): Rewrite.
8591 2000-03-08 Nick Clifton <nickc@cygnus.com>
8593 * config/arm/arm.md (indirect_jump): Force constant addresses into
8596 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8598 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8600 2000-02-24 Nick Clifton <nickc@cygnus.com>
8602 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8603 adjust is word aligned.
8604 (thumb_expand_epilogue): Make sure that stack adjust is word
8607 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8609 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8611 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8612 pointer relative addresses.
8614 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8616 * arm.c (find_barrier): Find the last barrier within the allowed
8619 2000-02-09 Nick Clifton <nickc@cygnus.com>
8621 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8623 2000-02-09 Nick Clifton <nickc@cygnus.com>
8625 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8626 ARM_FUNCTION_PROFILER.
8628 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8629 ARM_FUNCTION_PROFILER.
8631 * config/arm/linux-oldld.h: Imported from mainline sources.
8633 2000-02-07 Nick Clifton <nickc@cygnus.com>
8635 * config/arm/lib1funcs.asm: Merge in thumb functions from
8638 * config/arm/lib1thumb.asm: Delete.
8640 2000-02-04 Nick Clifton <nickc@cygnus.com>
8642 * config/arm/arm.c: Sychronised with current Red hat local
8644 * config/arm/arm.h: Ditto.
8645 * config/arm/arm-protos.h: Ditto.
8647 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8649 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8651 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8654 2000-02-02 Nick Clifton <nickc@cygnus.com>
8656 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8658 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8659 (return) was emited using an emit_insn() call.
8661 2000-01-31 Nick Clifton <nickc@cygnus.com>
8663 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8665 (thumb_exit): Move frame pointer back into hard frame pointer
8666 register if backtracing is being used.
8668 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8670 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8673 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8675 * config/arm/arm.md (neg_pool_offset): Provide default for new
8677 (arm_movsi_insn): Add neg_pool_offset attribute.
8678 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8679 rtx for the insn that starts the scan and an unsigned long for its
8680 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8681 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8682 instructions in *PINSERTED.
8683 (struct minipool_fixup): Add MIN_ADDRESS elt.
8684 (sort_fixups): Compute it.
8685 (arm_reorg): Changes to support inserting pools before the insn to be
8688 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8690 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8691 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8692 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8694 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8696 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8698 (TARGET_DEFAULT): Do not define if already defined.
8700 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8702 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8703 (iordi3): Allow disjoint source operands.
8704 (xordi3): Allow disjoint source operands.
8705 (negdi2): Permit construction for ARM and Thumb.
8706 (arm_negdi2): Renamed version of old negdi2 pattern.
8707 (thumb_negdi2): New pattern: Only permit non-overlapping
8708 source and destination.
8710 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8712 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8713 scratch low register so that it will not be deleted.
8715 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8717 * config/arm/pe.h (ARM_PE): Define.
8719 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8720 interfacearm attribute if this is a PE toolchain.
8721 (output_return_instruction): Do not emit anything if the function
8722 has the naked attribute set.
8723 (is_called_in_ARM_mode): If the function has the interfacearm
8724 attribute then return true.
8725 (thumb_expand_prologue): Do not generate a prologue for naked
8727 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8729 (output_thumb_prologue): Do not bother if the function is naked.
8730 Strip PE encoding from function name before emitting.
8732 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8734 * arm.md (pic_load_addr): Fix constraints.
8736 * arm.md (casesi_insn): Fix mis-applied patch.
8738 * arm.md ("core" function unit): Add rules for single- and
8740 (All TARGET_THUMB patterns): Add "type" attribute information
8742 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8743 the following insn is a CALL.
8745 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8747 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8748 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8749 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8751 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8753 * config/arm/linux-gas.h: oops - this file was missed out when the
8754 branch was created...
8756 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8758 * thumb.c: Deleted. Move contents to ...
8760 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8762 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8765 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8766 declare a prototype for asm_output_align();
8768 * arm.c (thumb_condition_code): Delete.
8769 (arm_print_operand): Always use arm_condition_code array.
8771 * arm.c (thumb_return_addr_rtx): Delete.
8772 (arm_save_machine_status, arm_restore_machine_status): Delete.
8773 (arm_init_machine_status, arm_mark_machine_status): New functions.
8774 (arm_init_expanders): Update accordingly.
8775 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8776 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8777 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8779 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8781 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8783 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8786 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8788 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8789 stack backtrace structure.
8791 * config/arm/arm-protos.h: Add prototypes for functions defined in
8794 * config/arm/arm.c (arm_override_options): Fix selection of
8795 attributes of default processor.
8797 * config/arm/coff.h: Delete needless #include.
8799 * config/arm/pe.c: Delete unused code.
8801 * config/arm/pe.h (CPP_DEFINES): Delete
8802 (SUBTARGET_CPP_SPEC): Define.
8803 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8805 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8807 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8809 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8811 (CAN_DEBUG_WITHOUT_FP): Define.
8812 (FIXED_REGISTERS): Make r11 call-saved.
8813 (CALL_USED_REGISTERS): Likewise.
8814 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8815 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8816 frame-pointer is required.
8817 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8818 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8819 if the target normally needs a stack frame in non-leaf functions.
8820 (use_return_insn): Correct logic for determining when a return
8821 instruction can be used.
8822 (output_return_instruction): Handle the frame-pointer register as
8823 a normal register when not TARGET_APCS_FRAME.
8824 (arm_output_prologue): Likewise.
8825 (arm_output_epilogue): Likewise.
8826 (output_func_epilogue): Likewise.
8827 (arm_expand_prologue): Likewise.
8828 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8830 * arm.c (use_return_insn): No need to check floating point regs if
8832 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8833 the code of value stored in the minipool array.
8834 (arm_add_minipool_constant): Likewise.
8836 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8838 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8840 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8842 * tree.c (tree_expr_nonnegative_p): New function.
8844 * tree.h (tree_expr_nonnegative_p): Declare.
8846 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8847 elide some sign_compare warnings.
8848 (build_conditional_expr): Likewise.
8850 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8852 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8854 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8855 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8856 operand. Abort if a 387 operand has an unsupported size.
8858 2000-04-08 Neil Booth <NeilB@earthling.net>
8860 * cppexp.c (parse_charconst): Null does not end character
8862 * cppinit.c (ISTABLE): Null character handled as whitespace.
8863 * cpplex.c (null_warning): new function.
8864 (skip_string): Emit warning if nulls encountered.
8865 (_cpp_skip_hspace): Emit warning if nulls encountered.
8866 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8870 2000-04-07 Richard Henderson <rth@cygnus.com>
8872 * flow.c (loop_depth): Remove.
8873 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8874 (struct propagate_block_info): New.
8875 (life_analysis): Don't allocate reg_next_use.
8876 (propagate_block_delete_insn): Break out of propagate_block.
8877 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8878 (propagate_block_delete_libcall): Likewise.
8879 (propagate_block): Create a propagate_block_info struct to pass
8880 to subroutines. Allocate one not two temporary regsets. Don't
8881 clobber memory for const calls. Look for clobbers in
8882 CALL_INSN_FUNCTION_USAGE.
8883 (mark_set_regs): Recognize COND_EXEC.
8884 (mark_set_reg): Break out of mark_set_1.
8885 (mark_used_reg): Break out of mark_used_regs.
8886 (mark_used_regs): Recognize COND_EXEC.
8887 (insn_dead_p): Use propagate_block_info struct.
8888 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8889 (find_auto_inc, try_pre_increment_1): Likewise.
8890 (print_rtl_with_bb): Dump regs live at end too.
8891 (count_reg_sets_1): Pass in loop_depth.
8892 (count_reg_sets, count_reg_references): Likewise.
8893 (recompute_reg_usage): Provide it.
8895 2000-04-07 Richard Henderson <rth@cygnus.com>
8897 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8900 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
8902 * cpplib.c (do_elif): Skip the rest of the line if we're
8903 not going to bother evaluating it.
8904 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
8905 to avoid pointless calls to the lexer.
8907 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
8909 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
8911 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
8913 * calls.c (expand_call): emit_queue if we're trying a sibcall.
8915 2000-04-07 Jakub Jelinek <jakub@redhat.com>
8917 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
8919 2000-04-06 Geoff Keating <geoffk@cygnus.com>
8921 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
8922 crtend so they can be multilibbed.
8923 (STAGESTUFF): Remove s-crt and s-crtS.
8925 2000-04-07 Richard Henderson <rth@cygnus.com>
8927 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
8928 if we discover we need a pseudo and no_new_pseudos is true.
8929 * config/alpha/alpha.md (ne:DI insn): New.
8930 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
8932 2000-04-07 Richard Henderson <rth@cygnus.com>
8934 * rtl.def (COND_EXEC): New.
8935 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
8936 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
8938 * genconfig.c (have_cond_arith_flag): Remove.
8939 (have_cond_exec_flag): New.
8940 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
8941 (main): Print HAVE_conditional_execution.
8943 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
8944 (sched_analyze_insn, print_pattern): Likewise.
8945 * reload.c (find_equiv_reg): Likewise.
8946 * rtlanal.c (reg_referenced_p): Likewise.
8947 (note_stores, dead_or_set_regno_p): Likewise.
8948 (reg_overlap_mentioned_p): Rewrite to use a switch.
8950 * ggc.h (struct rtx_def): Forward declare.
8952 * print-rtl.c (debug_rtx_range): New.
8953 * rtl.h (debug_rtx_range): Declare.
8955 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
8957 * gcse.c (gcse_main): Don't rebuild the CFG here.
8958 (delete_null_pointer_checks): Likewise.
8959 * ssa.c (convert_to_ssa): Likewise.
8960 * toplev.c (rest_of_compilation): Do it here instead. Combine
8961 sequential calls to TIMEVAR. Consistently use `insns' instead of
8962 `get_insns()'. Always split insns after reload when optimizing.
8964 * basic-block.h (merge_blocks_nomove): Declare.
8965 (tidy_fallthru_edge): Declare.
8966 * flow.c (merge_blocks_nomove): Document as merging into previous
8967 blocks. Remove cruft from between blocks; remove all edges out of A.
8968 (tidy_fallthru_edge): Export.
8970 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8972 * ssa.c (compute_conservative_reg_partition): Declare with
8974 * toplev.c (clean_dump_file): Remove previously-deleted function
8975 inadvertantly merged back in.
8976 * conflict.c (conflict_graph_add): Use a single call to
8977 htab_find_slot to look up and insert.
8979 2000-04-06 Richard Henderson <rth@cygnus.com>
8981 * genrecog.c (*): Rename _last_insn to last_insn.
8982 (make_insn_sequence): Set the position of the peephole2 C test
8983 to be at the last insn.
8985 2000-04-06 Richard Henderson <rth@cygnus.com>
8987 * flow.c (compute_flow_dominators): Free worklist.
8989 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
8991 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
8993 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8995 * rtl.h (INSN_P): New macro.
8996 (successor_phi_fn): New typedef.
8997 (for_each_successor_phi): New prototype.
8998 (in_ssa_form): New variable.
8999 (PHI_NODE_P): Likewise.
9000 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9001 phi nodes in successors.
9002 (mark_used_regs): Add PHI case.
9003 (set_phi_alternative_reg): New function.
9004 (life_analysis): Assert that dead code elimination is not selected
9006 * toplev.c (to_ssa_time): New variable.
9007 (from_ssa_time): Likewise.
9008 (compile_file): Zero to_ssa_time and from_ssa_time.
9009 Print time to convert to and from SSA.
9010 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9011 (print_time): Compute percent fraction as integer.
9012 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9013 (convert_to_ssa): Check if we're already in SSA.
9014 Don't eliminate dead code in life_analysis.
9015 Rerun flow and life analysis at bottom.
9016 (eliminate_phi): Use canonical regnos when adding nodes.
9017 (mark_reg_in_phi): New function.
9018 (mark_phi_and_copy_regs): Likewise.
9019 (convert_from_ssa): Rerun life analysis at top.
9020 Use coalesced partition.
9021 Check for removing a phi node at the end of the block.
9022 (compute_coalesced_reg_partition): New function.
9023 (coalesce_regs_in_copies): Likewise.
9024 (coalesce_reg_in_phi): Likewise.
9025 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9026 (for_each_successor_phi): Likewise.
9027 (rename_context): New struct.
9028 (rename_block): Use a rename_context with rename_insn_1. When
9029 renaming sets of a subreg, emit a copy of the entire reg first.
9030 (rename_insn_1): Treat data as a rename_context *. Save current
9032 (rename_set_data): Add field set_insn.
9033 * Makefile.in (HASHTAB_H): Move up in file.
9034 (OBSTACK_H): New macro.
9035 (collect2.o): Use OBSTACK_H in dependencies.
9036 (sdbout.o): Likewise.
9037 (emit-rtl.o): Likewise.
9038 (simplify-rtx.o): Likewise.
9039 (fix-header.o): Likewise.
9040 (OBJS): Add conflict.o.
9041 (conflict.o): New rule.
9042 * basic-block.h: Include partition.h.
9043 (conflict_graph): New typedef.
9044 (conflict_graph_enum_fn): Likewise.
9045 (conflict_graph_new): New prototype.
9046 (conflict_graph_delete): Likewise.
9047 (conflict_graph_add): Likewise.
9048 (conflict_graph_conflict_p): Likewise.
9049 (conflict_graph_enum): Likewise.
9050 (conflict_graph_merge_regs): Likewise.
9051 (conflict_graph_print): Likewise.
9052 (conflict_graph_compute): Likewise.
9053 * conflict.c: New file.
9055 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9057 * tlink.c (read_repo_files): Don't look for .rpo info for
9060 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9062 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9064 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9066 * config/sh/lib1funcs.asm (___udivsi3_i4):
9067 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9068 only depends on FMOVD_WORKS.
9070 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9072 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9073 make double constant 8-byte aligned.
9075 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9077 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9078 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9079 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9080 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9081 Accept storing GENERAL_REGS into offsetable memory.
9082 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9083 building a TFmode constant other than 0.0L into GENERAL_REGS.
9085 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9087 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9089 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9091 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9092 (macro_cleanup): No need to cast pbuf->macro.
9093 (collect_expansion): Use _cpp_get_define_token. Goto done if
9094 it returns VSPACE. Remove check for trailing space after
9096 (_cpp_create_definition): Don't diddle flags here. Return
9098 (unsafe_chars): Handle c1 being EOF.
9099 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9100 checks. Don't push the buffer till after we're done with
9102 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9103 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9104 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9106 (_cpp_parse_assertion): Don't NUL terminate.
9107 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9108 hspace before calling _cpp_parse_assertion. Remove all sets
9109 of only_seen_white. Treat '\f' as hspace. Don't do anything
9110 special with '\n' here.
9111 (maybe_macroexpand): Handle T_EMPTY hash entries without
9112 pushing a buffer at all.
9113 (cpp_get_token): Handle clearing only_seen_white here. Handle
9114 incrementing the line number here. Clear
9115 potential_control_macro as well as only_seen_white, if
9117 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9118 (_cpp_get_define_token): New function, basically like
9119 _cpp_get_directive_token was but doesn't eat horizontal space.
9120 Don't do anything with only_seen_white here.
9121 (_cpp_get_directive_token): Just call _cpp_get_define_token
9122 repeatedly till it returns non-hspace.
9124 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9125 (conditional_skip, skip_if_group): Return int.
9126 (DIRECTIVE_TABLE): Change origin of all conditional directives
9128 (TRAD_DIRECT_P): New macro.
9129 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9130 an error for a bogus directive, unless -lang-asm. Use
9131 TRAD_DIRECT_P. Loop calling handler functions till one returns
9133 (get_macro_name): Don't diddle flags here.
9134 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9135 Create T_EMPTY nodes for #define macro /* nothing */.
9136 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9137 Use hp->name when calling pass_thru_directive.
9138 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9139 Return the result of conditional_skip and/or skip_if_group.
9140 Don't call _cpp_output_line_command.
9141 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9142 Issue -Wtraditional warnings as appropriate. Don't complain
9143 about unrecognized directives. If we are to stop skipping,
9144 return the number of the directive that ended the skip.
9145 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9146 expansion and line commands while skipping. Return the result
9147 of consider_directive_while_skipping, if nonzero.
9148 (do_endif): Just set potential_control_macro here.
9149 (validate_else): Use _cpp_get_directive_token.
9150 (do_assert, do_unassert): Don't save pointers into the
9151 token_buffer across calls to the lexer. Use
9152 _cpp_get_directive_token.
9154 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9155 pointer, not an offset. Replace 'data', which was a generic
9156 pointer, with 'macro', which points to a struct hashnode.
9157 (cpp_reader): Add 'potential_control_macro' pointer.
9158 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9159 (CPP_BUF_GET, CPP_FORWARD): Delete.
9160 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9161 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9162 ACTIVE_MARK_P): Update.
9163 (_cpp_get_define_token): New internal function.
9164 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9166 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9168 * configure.in: And here.
9169 * configure: Regenerate.
9170 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9171 --enable-libstdcxx-v3 is passed at configure time.
9172 * config.h.in: Regenerate.
9174 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9176 * final.c (final): Use xcalloc to allocate line_note_exists.
9177 * function.c (free_after_compilation): Free the temp_slots.
9178 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9179 (combine_temp_slot): Free temp_slots when they get combined.
9180 (purge_addressof): Fix typo in comment.
9181 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9182 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9184 * ggc.h: Include varray.h.
9185 (ggc_pending_trees): Declare.
9186 (ggc_mark_tree_children): Remove declaration.
9187 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9188 * ggc-common.c (ggc_pending_trees): New variable.
9189 (ggc_mark_roots): Call ggc_mark_trees.
9190 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9191 the ggc_pending_trees.
9192 * Makefile.in (GGC_H): New variable. Use it throughout in place
9195 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9197 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9200 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9202 * sh.c (sh_insn_length_adjustment): New function.
9203 * sh-protos.h (sh_insn_length_adjustment): Declare.
9204 * sh.h (ADJUST_INSN_LENGTH): Use it.
9206 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9208 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9209 from the insn where REG_RETVAL is added.
9210 (emit_no_conflict_block): Ditto.
9212 * md.texi (Standard Names): Clarify when movX is needed.
9214 * combine.c (simplify_comparison) [MINUS]: Do not replace
9215 all (op (minus A B) 0) with (op A B).
9217 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9218 J"orn Rennecke <amylaar@cygnus.co.uk>
9220 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9221 (block_lump_real): Likewise.
9223 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9225 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9226 remaining non-zero debugging masks.
9228 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9230 * basic-block.h (verify_flow_info): Declare.
9231 (flow_loop_outside_edge_p): Declare.
9232 * flow.c (verify_flow_info): Remove declaration.
9233 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9235 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9237 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9240 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9242 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9243 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9244 seqdi_zero_trunc+1): Allow splits only if registers are
9247 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9249 * acconfig.h: Add HAVE_GAS_HIDDEN.
9250 * config.in: Regenerated.
9251 * configure.in: Add test for .hidden pseudo-op in gas.
9252 * configure: Regenerated.
9253 * crtstuff.c: Include auto-host.h.
9254 Emit additional .hidden pseudo-op for __dso_handle if the
9255 assembler knows about it.
9257 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9259 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9260 before freeing argnames.
9261 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9263 2000-04-05 Michael Meissner <meissner@redhat.com>
9265 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9266 Walton <jonboy@gordian.com> to make memory references with update
9267 work wtih -mregnames.
9269 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9271 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9272 (regrename_optimize): Rename variables `def_uses' and
9273 `ext_basic_blocks' to avoid conflicts with similarly named
9274 typedefs in traditional C.
9276 * calls.c (initialize_argument_information): Fix typo in previous
9279 2000-04-04 Richard Henderson <rth@cygnus.com>
9281 * regrename.c (consider_available): Test fixed_regs not
9282 PIC_OFFSET_TABLE_REGNUM.
9284 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9286 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9288 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9289 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9290 (ENDFILE_LINUX_SPEC): Always use crtend.
9291 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9292 (powerpc-*-linux-gnu): Likewise.
9293 * configure: Regenerate.
9295 * config/rs6000/eabi.h: Don't include sysv4.h.
9296 (MULTILIB_DEFAULTS): Don't define.
9297 * config/rs6000/eabiaix.h: Don't include eabi.h.
9298 * config/rs6000/eabile.h: Delete.
9299 * config/rs6000/eabilesim.h: Delete.
9300 * config/rs6000/eabisim.h: Don't include eabi.h.
9301 * config/rs6000/linux.h: Don't include sysv4.h.
9302 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9303 (MULTILIB_DEFAULTS): Don't redefine.
9304 * config/rs6000/rtems.h: Don't include eabi.h.
9305 * config/rs6000/sol2.h: Don't include sysv4le.h.
9306 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9307 * config/rs6000/t-ppc: Delete.
9308 * config/rs6000/t-ppcgas: Correct comment.
9309 * config/rs6000/t-ppcos: Correct comment. Don't build
9310 multilibs for -fPIC, rather use -fPIC -mstrict-align
9312 * config/rs6000/t-ppc: Delete.
9313 * config/rs6000/vxppc.h: Don't include sysv4.h.
9314 * config/rs6000/vxppcle.h: Delete.
9315 * configure.in: Use multiple header files for p2pc ELF targets
9316 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9317 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9318 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9319 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9320 always available for these platforms.
9322 2000-04-04 Richard Henderson <rth@cygnus.com>
9324 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9326 2000-04-04 Stan Cox <scox@cygnus.com>
9328 * Makefile.in: Add rules for regrename.o
9329 * regrename.c: New file.
9330 * rtl.h (regrename_optimize): Add prototype.
9331 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9332 (compile_file, decode_d_option): Add support for -frename-registers.
9333 (rest_of_compilation): Call regrename_optimize.
9334 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9337 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9339 * Makefile (gccbug): New target.
9340 (doc): Depend on it.
9341 * gcc.texi (Bugs): Link subnodes.
9343 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9344 Document severities, priorities, and classes in bug form.
9346 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9348 * cpplex.c (trigraph_map, speccase): Combine into single
9350 (NORMAL, NONTRI): New macros.
9351 (_cpp_read_and_prescan): Change to use unified table. Use
9352 is_hspace to test for whitespace.
9354 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9355 definition that doesn't provoke the "empty body in an
9356 if-statement" warning.
9358 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9360 * builtins.c (expand_builtin_strlen): Force the source to
9361 be a memory address.
9363 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9365 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9367 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9369 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9370 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9371 (ECF_IS_CONST): Rename to ECF_CONST.
9372 (special_function_p): Make static, change interface.
9373 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9374 (expand_call) ... here; convert number of variables to flags.
9375 (emit_library_call_vlue_1): Likewise.
9376 (setjmp_call_p): New function.
9377 (initialize_argument_information): Accepts flags as argument;
9379 (precompute_arguments): Likewise.
9380 * tree.h (special_function_p): Remove.
9381 (setjmp_call_p): Add prototype.
9383 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9385 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9386 so that addresses are offsetable by up to 16 bytes.
9387 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9388 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9391 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9392 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9393 (movsf): Don't force any constant to memory if target is integer
9395 Move fp_zero_operand check below the const0_rtx check.
9396 (movtf): Likewise. Also allow fp_zero_operand for stores into
9398 (movdf): Likewise. Also allow fp_zero_operand for stores into
9399 memory and into integer hard registers.
9400 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9401 movdf_const_intreg_sp64): Remove.
9402 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9404 (movdf_no_e_insn_v9_sp32): New pattern.
9405 (movdf_insn_v9only): Remove.
9406 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9407 (movdf_insn_sp64): Remove.
9408 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9409 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9410 (following splits): Rewrite conditions. Add two new splits
9411 for storing 0.0 into memory and registers.
9412 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9413 (movtf_insn_sp32): Redo constraints and conditions.
9414 (movtf_insn_vis_sp32): New pattern.
9415 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9416 (movtf_insn_hq_sp64): Likewise.
9417 (movtf_insn_hq_vis_sp64): New pattern.
9418 (movtf_insn_sp64): Redo constraints and conditions.
9419 (movtf_insn_vis_sp64): New pattern.
9420 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9421 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9423 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9424 -mvis or -m64 to take down the number of various reload patterns.
9426 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9428 * pa/pa-64.h: New file.
9429 * pa/pa64-regs.h: New file.
9430 * pa/pa64-start.h: New file.
9431 * pa/t-pa64: New file.
9432 * pa/xm-pa64hpux.h: New file.
9434 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9436 * sparc.c (output_restore_regs): Prototype.
9437 (sparc_emit_float_lib_cmp): Constification.
9439 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9441 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9444 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9445 (get_value_hash, hash_rtx): Likewise.
9447 * ssa.c (compute_conservative_reg_partition): Prototype.
9449 * tree.c (mark_hash_entry): Prototype.
9451 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9453 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9454 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9455 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9457 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9458 * objc/lang-specs.h: Likewise.
9460 2000-04-03 Neil Booth <NeilB@earthling.net>
9462 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9463 and SYNTAX_ERROR2. Replace `' in messages with ''.
9464 (op_to_str): Make re-entrant.
9465 (_cpp_parse_expr): Implement new error macros. Use | rather
9466 than || to logically or 2 boolean integers. Simply expression
9467 checking we have a left operand iff needed.
9469 2000-04-03 Nick Clifton <nickc@cygnus.com>
9471 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9473 2000-04-03 Philip Blundell <philb@gnu.org>
9475 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9477 2000-04-03 Felix Lee <flee@cygnus.com>
9479 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9480 (run_shell): Use it.
9482 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9484 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9485 (stmp-fixproto): ...rather than here.
9487 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9489 * pa.c (print_operand): Compute 'base' only inside the code paths
9492 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9494 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9497 2000-04-03 Philipp Thomas <pthomas@suse.de>
9499 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9501 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9503 * Makefile.in (alias.o): Depend on $(TREE_H).
9505 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9507 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9509 * cpplib.c (_cpp_handle_directive): Improve warnings for
9510 traditional C and indented directives.
9512 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9513 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9514 fixinc/inclhack.def: Indent the # of #include_next one space.
9515 * cp/rtti.c: Un-indent #if and #endif.
9517 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9518 syntax error, but an error has already been printed.
9519 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9520 message when called with nothing remaining on the line.
9521 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9522 OTHER token, not an ASSERTION.
9523 * cpplib.c (do_assert): When we create a 'base' node, clear
9524 its aschain pointer.
9526 2000-04-02 Neil Booth <NeilB@earthling.net>
9528 * cppexp.c: New typedef op_t. struct operation and struct
9529 token updated to use it.
9530 (op_to_str): New function.
9531 (_cpp_parse_expr): Error messages modified to use op_to_str.
9533 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9535 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9536 before checking MUST_PASS_IN_STACK.
9538 2000-04-02 Neil Booth <NeilB@earthling.net>
9540 * cppexp.c: New FINISHED dummy token. Combine operator initial
9541 flags and initial priority into a single constant. New
9542 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9543 (_parse_cpp_expr): Implement new constants. Take left operand
9544 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9545 parse indicated by reducing FINISHED token. Remove new lines
9546 from cpp_error messages.
9548 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9550 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9553 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9555 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9556 directive. Add origin values to DIRECTIVE_TABLE. Generate
9557 the strings and function names on the fly. Take the #sccs
9558 entry out of the table if SCCS_DIRECTIVE is not defined.
9559 (_cpp_handle_directive): Decide if the # was at the beginning
9560 of the line here. Issue -pedantic warnings for extended
9561 directives here. Warn about K+R directives with the #
9562 indented, and C89/extended directives with the # not indented,
9564 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9565 do_assert, do_unassert): Don't issue pedantic warning here.
9567 * cpphash.h: Add CPP_WTRADITIONAL macro.
9568 * cpplib.h (struct cpp_options): Rename warn_stringify to
9569 warn_traditional; update comments.
9570 * cppinit.c (handle_option): Set warn_traditional not
9572 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9573 CPP_WTRADITIONAL (pfile).
9574 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9575 be ignored in -traditional mode here.
9577 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9578 to initialize speccase[] and trigraph_map[]. Delete all
9579 references to pfile->input_speccase. Always treat '?' as a
9580 special character. Remove table-initialization code from
9581 _cpp_init_input_buffer.
9583 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9584 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9586 2000-04-01 Richard Henderson <rth@cygnus.com>
9588 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9589 (mostlyclean): Likewise.
9591 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9592 (struct dump_file_info, enum dump_file_index, dump_file): New.
9593 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9594 not a string. Clean out file if we havn't yet done so. Do nothing
9595 if the dump isn't enabled.
9596 (close_dump_file): Do nothing if the dump isn't open. Dump
9597 graph data if requested.
9598 (dump_rtl, clean_dump_file): Remove.
9599 (compile_file): Don't clean the dump files. Only finalize .bp dump
9600 if flag_test_coverage or flag_branch_probabilities. Only finalize
9601 .combine dump if optimizing. Iterate over dump_file to finalize the
9603 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9604 Convert all uses of dump_rtl.
9605 (decode_d_option): Iterate over dump_file to implement 'a' and to
9606 locate pass-specific dumps.
9608 2000-04-01 Neil Booth <NeilB@earthling.net>
9610 * cppexp.c: Redefine priority constants.
9611 (_cpp_parse_expr): Replace left and right priority scheme with
9612 single priority logic. Move LOGICAL to same place as COMPARE.
9613 Remove bogus check for multiple unary +/- operators.
9615 2000-04-01 Neil Booth <NeilB@earthling.net>
9617 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9618 within the switch statement. Binary operations break out of
9619 the switch naturally. '(' tokens handled by forcing
9620 immediate shift. ')' handled by forcing immediate reduce to
9621 the previous '('. New error messages.
9623 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9625 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9626 part', it's already in use. Use %K instead. Add a return at the
9627 end of what is now %K.
9628 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9630 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9632 * builtins.c (expand_builtin_apply): Pass proper parameters to
9633 allocate_dynamic_stack_space.
9634 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9635 update stack_pointer_delta; do not update arg_size_so_far.
9636 (compute_argument_block_size): Use stack_delta instead of
9637 stack_pointer_pending and arg_size_so_far.
9638 (expand_call): Add sanity checking for stack_pointer_delta;
9639 save and restore stack_pointer_delta for SIB, use
9640 stack_pointer_delta for alignment; do not update arg_space_so_far.
9641 (emit_library_call_value): Use stack_pointer_delta for alignment.
9642 (store_one_arg): Do not update arg_space_so_far.
9643 * explow.c (adjust_stack, anti_adjust_stack): Update
9644 stack_pointer_delta.
9645 (allocate_dynamic_stack_space): Add sanity checking for
9646 stack_pointer_delta.
9647 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9648 stack_pointer_delta.
9649 (emit_push_insn): Update stack_pointer_delta.
9650 * function.h (struct expr_status): Add x_stack_pointer_delta;
9651 remove x_arg_space_so_far.
9652 (arg_space_so_far): Remove.
9653 (stack_pointer_delta): New macro.
9655 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9657 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9658 Reorder struct cpp_options and struct cpp_reader for better
9659 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9660 takes two args. Change all 'char' flags to 'unsigned char'.
9661 Move show_column flag into struct cpp_options. Don't
9662 prototype cpp_options_init.
9663 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9664 cppinit.c, cpplex.c, cpplib.c:
9665 Replace CPP_OPTIONS (pfile)->whatever with
9666 CPP_OPTION (pfile, whatever), and likewise for
9667 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9669 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9670 Extract CPP_OPTION (pfile, pending) and work with that
9672 (cpp_options_init): Delete.
9673 (cpp_reader_init): Turn on on-by-default options here.
9674 Allocate the pending structure here.
9675 (cl_options, enum opt_code): Define these from the same table,
9676 kept in a large macro. Add -fshow-column and -fno-show-column
9679 * cpperror.c (v_message): If show_column is off, don't print
9682 * cppmain.c: Update for new interface.
9683 * fix-header.c: Likewise.
9685 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9687 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9689 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9690 are passed to any invocation of AR_FOR_TARGET.
9691 (AR_CREATE_FOR_TARGET): New macro.
9692 (AR_EXTRACT_FOR_TARGET): New macro.
9693 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9694 AR_EXTRACT_FOR_TARGET.
9695 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9696 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9697 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9698 AR_EXTRACT_FOR_TARGET to sub-makes.
9700 2000-03-31 Neil Booth <NeilB@earthling.net>
9702 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9704 (_cpp_parse_expr): Check for multiple unary +/- operators.
9705 Correct priorities of ':' and '?'. Treat ')' as having a
9706 value. Ensure conditional expression is not void.
9708 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9710 * alias.c (canon_rtx): Make it global.
9711 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9713 * cse.c (struct table_elt): Add canon_exp.
9715 (invalidate): Canonicalize expressions only once.
9716 * rtl.h (canon_rtx): Declare.
9718 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9720 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9721 * alias.c (reg_known_value): Add comments.
9722 (init_alias_analysis): Likewise.
9723 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9725 (cse_basic_block): Fix typo in comment.
9726 * emit-rtl.c: Include hashtab.h.
9727 (const_int_htab): New variable.
9728 (const_int_htab_hash): New function.
9729 (const_int_htab_eq): Likewise.
9730 (rtx_htab_mark_1): Likewise.
9731 (rtx_htab_mark): Likewise.
9732 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9733 (unshare_all_rtx): Fix formatting.
9734 (init_emit_once): Initialize const_int_htab.
9735 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9737 * rtl.texi: Document the fact that all CONST_INTs with the same
9740 2000-03-30 Richard Henderson <rth@cygnus.com>
9742 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9744 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9746 * configure.in: Comment out --enable-c-cpplib stanza.
9747 * configure: Regenerate.
9749 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9751 * expr.c (store_constructor): Properly compute displacement and
9752 alignment when offset is variable.
9754 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9755 cases of alignment in bytes.
9757 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9759 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9760 since it is used to generate c-parse.y.
9761 * objc-parse.c, objc-parse.y: Regenerated.
9763 * function.c (expand_function_end): Pass alignment argument to
9764 emit_block_move in bits, not bytes.
9766 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9768 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9771 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9773 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9774 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9775 * function.c (assign_parms): Likewise.
9776 * integrate.c (expand_inline_function): Likewise.
9777 * stmt.c (expand_decl): Likewise.
9778 (copy_rtx_and_substitute): Likewise.
9779 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9780 (clear_by_pieces): Fix error in last change.
9781 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9782 * function.h (regno_pointer_align): Now unsigned.
9783 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9785 * config/i386/i386.c (aligned_operand): Likewise.
9786 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9787 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9788 (unaligned_memory_operand): Likewise.
9789 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9790 Also make alignments and sizes unsigned and some whitespace cleanup.
9791 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9793 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9794 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9795 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9796 (expand_builtin_memset): Likewise, but to clear_storage.
9797 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9798 (restore_fixed_argument_area): Likewise.
9799 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9800 (load_register_parameters): Likewise, to emit_group_load.
9801 (expand_call): Likewise, to emit_group_store and emit_block_move.
9802 (emit_library_call_value_1): Likewise, to emit_block_move.
9803 (store_one_arg): Likewise, and to emit_push_insn.
9804 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9805 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9806 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9807 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9808 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9809 (expand_assigment, store_expr, store_constructor_field): Likewise.
9810 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9811 (store_constructor, store_field, get_inner_reference): Likewise.
9812 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9813 (expand_expr, case COMPONENT_REF): Likewise.
9814 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9815 and positions; reindent code.
9816 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9817 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9818 (assign_parms): Likewise to emit_group_store.
9819 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9820 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9821 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9822 (expand_return): Likewise to {extract,store}_bit_field.
9823 * stor-layout.c (get_mode_alignment): Minor cleanup.
9824 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9825 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9827 2000-03-29 Nick Clifton <nickc@cygnus.com>
9829 * config/arm/arm.h: Undo effects of previous delta:
9830 (ASM_SPEC): Do not define.
9831 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9833 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9836 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9838 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9839 only after reading in the primary source file.
9841 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9843 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9844 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9845 or a reference to a va_list.
9846 * builtins.c (stabilize_va_list): Simplify now we don't have to
9847 work around C array address decay.
9848 * c-typeck.c (convert_for_assignment): Handle assignment to
9849 a reference parameter by taking the address of the RHS.
9850 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9851 (va_copy): Likewise.
9852 (__va_copy): Likewise.
9853 * ginclude/varargs.h (va_start): Likewise.
9854 (__va_copy): Likewise.
9856 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9858 * i386/djgpp.h: Remove extraneous "+".
9860 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9862 * calls.c (expand_call): Fix typo in last change.
9864 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9866 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9869 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9871 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9872 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9873 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9874 * tree.c (bit_position, byte_position): Likewise.
9875 * tree.h: Declare new functions.
9877 2000-03-29 Nick Clifton <nickc@cygnus.com>
9879 * config/arm/arm.c: Minor formatting changes/
9880 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9882 (ASM_SPEC): Define if not already defined.
9884 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9886 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9889 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9891 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9892 value, don't output it as unsigned.
9894 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9896 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9898 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9900 * c-common.c (c_common_nodes_and_builtins): Don't special case
9901 cplus_mode when declaring builtin bzero/bcmp, always avoid
9902 prototype arguments.
9904 2000-03-29 Bruce Korb <bkorb@gnu.org>
9906 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
9909 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9911 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
9912 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
9913 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
9914 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
9915 (save_fixed_argument_area, restore_fixed_argument_area):
9916 conditionize by #ifdef REG_PARM_STACK_SPACE only.
9917 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
9918 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
9919 (precompute_register_parameters): Avoid #ifdefs on
9920 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
9921 (stire_one_args): Likewise.
9922 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
9923 (emit_library_call_value_1): Likewise.
9924 (compute_argument_block_size): Align to STACK_BOUNDARY only for
9925 ACCUMULATE_OUTGOING_ARGS.
9926 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
9928 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
9929 (use_crosses_set_p): Likewise.
9930 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
9931 #define ACCUMULATE_OUTGOING_ARGS 1.
9932 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
9934 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
9936 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
9937 (TARGET_SWITCHES): Add push-args, no-push-args,
9938 accumulate-outgoing-args and no-accumulate-outgoing-args.
9939 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
9940 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
9941 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
9943 (emit_push_insn): Likewise.
9944 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9945 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
9946 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9947 (STACK_DYNAMIC_OFFSET): Define correctly for both
9948 ACCUMULATE_OUTGOING_ARGS and normal mode.
9949 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
9950 * tm.texi (PUSH_ARGS): Document.
9951 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
9953 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
9955 * flags.h (flag_optimize_sibling_calls): Declare.
9956 * calls.c (expand_call): Fail sibcall when
9957 !flag_optimize_sibling_calls
9958 * invoke.texi (flag_optimize_sibling_calls): Document.
9959 * toplev.c (flag_optimize_sibling_calls): New global variable.
9960 (f_options): Add flag_optimize_sibling_calls.
9961 (rest_of_compilation): Conditionize
9962 optimize_sibling_and_tail_recursive_calls by
9963 flag_optimize_sibling_calls.
9964 (main): Set flag_optimize_sibling_calls for -O2.
9965 * stmt.c (expand_return): Conditionize tail recursion by
9966 flag_optimize_sibling_calls.
9968 2000-03-29 Richard Henderson <rth@cygnus.com>
9970 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
9971 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
9973 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
9975 * except.c (add_eh_table_entry): Mark type_info's as referenced.
9977 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9979 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
9981 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
9982 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
9983 * config/rs6000/aix.h: then modified likewise.
9985 2000-03-28 Richard Henderson <rth@cygnus.com>
9987 * rtl.h: Redistribute enum reg_note documentation.
9988 Kill trailing whitespace.
9989 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
9990 Kill trailing whitespace.
9992 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
9994 * cppfiles.c (hash_IHASH): Just return i->hash.
9995 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
9996 htab_find_with_hash.
9997 (cpp_read_file): Likewise.
9998 (find_include_file): Likewise. Properly initialize
9999 ih->nshort. Share ih->name and ih->nshort if possible.
10000 * cpphash.c (_cpp_calc_hash): New function.
10001 (hash_HASHNODE): Just return h->hash.
10002 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10003 htab_find_with_hash.
10004 * cpphash.h: Prototype _cpp_calc_hash.
10005 * cppinit.c (initialize_builtins): Provide a valid hash
10006 to _cpp_make_hashnode, using _cpp_calc_hash.
10008 * cpphash.c (collect_expansion): # is not a special character
10009 in object-like macros. In -traditional mode, /**/ is not
10010 token paste at the beginning or end of the line.
10011 * cpplib.c (do_include, do_import, do_include_next): If
10012 parse_include fails, return immediately.
10014 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10016 * config/arm/arm.md (return peepholes): Update to reflect the new
10017 call insn patterns.
10018 * config/arm/arm.c (arm_volatile_func): Also check
10019 current_function_nothrow.
10020 (output_return_instruction, output_func_prologue): Use it.
10021 (arm_output_epilogue, arm_expand_prologue): Likewise.
10023 2000-03-27 Tom Tromey <tromey@cygnus.com>
10025 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10028 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10030 * expr.c (store_constructor): SIZE now signed.
10031 For EXPR_SIZE, don't evaluate size; just needed if constant.
10032 * fold-const.c (fold): Fix a number of cases when folded tree is
10034 * function.c (flush_addressof): Reenable.
10035 * tree.h (flush_addressof): Likewise.
10036 * toplev.c (independent_decode_option): Look at strings_processed.
10037 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10039 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10041 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10042 Allow stack adjustment after function call.
10044 * regmove.c (struct csa_memlist): Make mem field rtx *.
10045 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10046 (try_apply_stack_adjustment): Replace whole MEM rtx.
10047 (combine_stack_adjustments_for_block): Update calls
10048 to record_one_stack_ref.
10050 2000-03-28 Neil Booth <NeilB@earthling.net>
10052 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10053 '\\' rather than a null character, so nulls are not special. Fix
10054 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10055 speed trigraph conversion.
10056 (_cpp_init_input_buffer): Initialize trigraph map.
10058 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10060 * config/i386/i386.c (output_387_binary_op): Correct intel
10061 mode assembly output, and add spaces after commas in AT&T
10062 output. Correct Unixware assembler comment. Document input
10063 constraints. Comment fp operations. Reduce profligate buffer
10064 size. Remove extraneous abort. Localize temp var.
10065 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10066 (output_fix_trunc): Add spaces after commas in assembly output.
10068 2000-03-27 Richard Henderson <rth@cygnus.com>
10070 * i386-protos.h (ix86_match_ccmode): Declare.
10071 * i386.c (ix86_match_ccmode): New.
10072 (ix86_expand_fp_compare): Update for pattern renames.
10073 (ix86_expand_strlensi_unroll_1): Likewise.
10074 * i386.h (EXTRA_CC_MODES): Add CCZ.
10075 (SELECT_CC_MODE): Use it for EQ/NE zero.
10076 * i386.md (cmpsi_ccz_1): New.
10077 (cmpqi_ccz_1): New.
10078 (*testsi_ccz_1): New.
10079 (testqi_ccz_1): New.
10080 (cmpsi_ccno_1): Rename from cmpsi_0.
10081 (testsi_ccno_1): Rename from testsi_1.
10082 (testqi_ccno_1): Rename from testqi_1.
10083 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10084 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10085 (*cmphi_0): Use ix86_match_ccmode.
10086 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10087 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10088 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10089 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10090 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10091 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10092 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10093 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10094 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10095 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10096 (appropriate peepholes): Likewise.
10097 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10098 (*subsi_3, *subhi_3, *subqi_3): Remove.
10099 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10100 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10101 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10102 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10103 (x86_shift_adj_1): Use CCZ.
10104 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10106 2000-03-27 Stan Cox <scox@cygnus.com>
10108 * resource.h (mark_resource_type): New.
10109 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10110 find_free_register): Use mark_resource_type.
10111 (mark_set_resources): Change include_delayed_effects
10112 to mark_resource_type.
10113 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10114 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10115 Use mark_resource_type.
10117 2000-03-27 Richard Henderson <rth@cygnus.com>
10119 * i386.md (call_pop_0, call_value_pop_0): New.
10120 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10121 (call_value_pop_1): Likewise.
10122 (call_0, call_value_0): New.
10123 (call_1, call_value_1): Remove constraint from unused arg.
10125 2000-03-27 Nick Clifton <nickc@cygnus.com>
10127 * invoke.texi (Spec Files): Document new spec % command created by
10128 Tom Tromey's recent patch.
10130 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10132 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10135 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10137 * expr.c (expand_assignment): Fix typo in last change.
10139 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10141 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10143 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10144 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10145 and DECL_INLINE if FUNCTION_DECL.
10146 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10147 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10148 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10149 (combine_parm_decls): Likewise.
10150 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10151 * print-tree.c (print_node): Likewise.
10152 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10153 DECL_TRANSPARENT_UNION on proper decl types.
10154 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10155 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10156 DECL_BIT_FIELD of FIELD_DECL.
10157 * tree.h (DECL_RESULT_FLD): New macro.
10159 * expr.c (expand_assignment): Add code to handle variable-sized
10162 2000-03-26 Richard Henderson <rth@cygnus.com>
10164 * calls.c (expand_call): Pass parms not original exp to
10165 optimize_tail_recursion. Mind return value instead of looking
10167 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10168 call_expr. Move checks for call_expr and current_function_decl ...
10169 (expand_return): ... here.
10171 2000-03-26 Tom Tromey <tromey@cygnus.com>
10173 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10174 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10176 (process_command): Use them.
10177 (check_live_switch): Likewise.
10178 (give_switch): Skip ignored switches.
10180 2000-03-26 Jan Hubicka <jh@suse.cz>
10182 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10183 for minimal jump pass test.
10185 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10187 * integrate.c (function_cannot_inline_p): Do inline functions that
10190 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10192 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10193 now a list of TREE_LIST entries, not types.
10194 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10196 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10197 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10199 * config/mips/mips.c (function_arg): Likewise; also remove cast
10200 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10201 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10202 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10203 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10204 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10205 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10206 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10207 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10208 num_adjusts now unsigned.
10209 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10210 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10211 NREGS now unsigned.
10212 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10213 as is BITPOS variable; use host_integerp and int_bit_position.
10214 (function_arg_record_value_2): Likewise.
10215 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10216 Variable REGNO now unsigned.
10217 (function_arg_record_value): NREGS now unsigned.
10219 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10221 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10223 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10225 * Rework fields used to describe positions of bitfields and
10226 modify sizes to be unsigned and use HOST_WIDE_INT.
10227 * alias.c (reg_known_value_size): Now unsigned.
10228 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10229 (really_start_incremental_init): Use bitsize_zero_node.
10230 (push_init_level, pop_init_level, output_init_element): Likewise.
10231 Use bitsize_unit_node and bitsize_one_node.
10232 (output_pending_init_elements, process_init_element): Likewise.
10233 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10234 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10235 HOST_WIDE_INT, respectively.
10236 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10237 (num_sign_bit_copies): Returns unsigned.
10238 BITWIDTH now unsigned; rework arithmetic.
10239 Remove recursive call from arg to MAX.
10240 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10241 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10242 REGNO now unsigned.
10243 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10244 (find_split_point, expand_compound_operation, make_extraction): LEN
10245 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10246 (make_field_assignment): Likewise.
10247 (combine_simplify_rtx): Add cast.
10248 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10249 (force_to_mode): WIDTH now unsigned; add cast.
10250 (if_then_else_cond): SIZE now unsigned.
10251 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10252 (extended_count): Now returns unsigned.
10253 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10254 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10255 (simplify_comparison): MODE_WIDTH now unsigned.
10256 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10257 (mark_used_regs_combine): Likewise; rework arithmetic.
10258 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10259 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10260 (record_promoted_value): REGNO now unsigned.
10261 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10262 (get_last_value): REGNO now unsigned.
10263 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10264 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10265 (remove_death): Arg REGNO now unsigned.
10266 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10267 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10269 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10270 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10271 (struct cse_reg_info): REGNO now unsigned.
10272 (cached_regno): Now unsigned.
10273 (REGNO_QTY_VALID_P): Add cast.
10274 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10275 (remove_invalid_regs): Likewise.
10276 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10277 as are variables END and I.
10278 (get_cse_reg_info, insert): Likewise.
10279 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10280 (canon_hash): Likewise.
10281 (insert_regs, lookup_for_remove): REGNO now unsigned.
10282 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10284 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10285 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10286 * emit-rtl.c (subreg_realpart_p): Add cast.
10287 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10288 (operand_subword_force): Arg I is now unsigned.
10289 * except.c (eh_regs): Variable I is now unsigned.
10290 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10291 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10292 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10293 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10294 (extract_split_bit_field, store_bit_field, extract_bit_field):
10296 * expr.c (store_constructor_fields, store_constructor, store_field):
10297 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10298 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10299 (do_jump): Likewise.
10300 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10301 MAX_SIZE is now unsigned.
10302 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10303 (emit_group_store): Likewise.
10304 (emit_move_insn): I now unsigned.
10305 (store_constructor): Use host_integerp, tree_low_cst, and
10307 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10308 Rework all calculations to use trees and new fields.
10309 * expr.h (promoted_input_arg): Regno now unsigned.
10310 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10311 (mark_seen_cases): Arg is HOST_WIDE_INT.
10312 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10313 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10314 precisions and alignments are unsigned.
10315 (optimize_bit_field_compare, fold_truthop): Likewise.
10316 (int_const_binop): Adjust threshold for size_int_type_wide call.
10317 (fold_convert): Likewise.
10318 (size_int_type_wide): Make table larger and fix thinko that only
10319 had half of table used.
10320 (all_ones_mask_p, fold): Precisions are unsigned.
10321 * function.c (put_reg_info_stack): REGNO is unsigned.
10322 (instantiate_decl): Size is HOST_WIDE_INT.
10323 (instantiate_virtual_regs): I is unsigned.
10324 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10325 (promoted_input_arg): REGNO is unsigned.
10326 * function.h (struct function): x_max_parm_reg is now unsigned.
10327 * gcse.c (max_gcse_regno): Now unsigned.
10328 (struct null_pointer_info): min_reg and max_reg now unsigned.
10329 (lookup_set, next_set): REGNO arg now unsigned.
10330 (compute_hash_table): REGNO and I now unsigned.
10331 (handle_avail_expr): regnum_for_replacing now unsigned.
10332 (cprop_insn): REGNO now unsigned.
10333 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10334 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10335 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10336 * hard-reg-set.h (reg_class_size): Now unsigned.
10337 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10338 * jump.c (mark_modified_reg): I now unsigned; add cast.
10339 (rtx_equal_for_thread_p): Add cast.
10340 * loop.c (max_reg_before_loop): Now unsigned.
10341 (struct_movable): REGNO now unsigned.
10342 (try_copy_prop): REGNO arg unsigned.
10343 (regs_match_p): XN and YN now unsigned.
10344 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10345 (strength_reduce): Likewise; NREGS also unsigned.
10346 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10347 * loop.h (struct iv_class): REGNO now unsigned.
10348 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10350 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10351 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10352 * optabs.c (expand_binop): I and NWORDS now unsigned.
10353 (expand_unop): I now unsigned.
10354 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10355 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10356 * real.c (significand_size): Now returns unsigned.
10357 * real.h (significand_size): Likewise.
10358 * regclass.c (reg_class_size): Now unsigned.
10359 (choose_hard_reg_mode): Both operands now unsigned.
10360 (record_reg_classes): REGNO and NR now unsigned.
10361 (reg_scan): NREGS now unsigned.
10362 (reg_scan_update): old_max_regno now unsigned.
10363 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10364 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10365 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10366 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10367 Likewise for variable R.
10368 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10369 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10370 (find_equiv_reg): Add casts.
10371 (regno_clobbered_p): Arg REGNO now unsigned.
10372 * reload.h (struct reload): NREGS now unsigned.
10373 (refers_to_regno_for_reload_p): Regno args are unsigned.
10374 (regno_clobbered_p): Likewise.
10375 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10376 (compute_use_by_pseudos): REGNO now unsigned.
10377 (find_reg): I and J now unsigned, new variable K, and change loop
10378 variables accordingly; THIS_NREGS now unsigned.
10379 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10380 (spill_hard_reg): REGNO arg now unsigned; add casts.
10381 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10382 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10383 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10384 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10385 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10386 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10387 (emit_reload_insns): REGNO now unsigned.
10388 (reload_cse_move2add): Add cast.
10389 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10391 * resource.c (mark_referenced_resources, mark_set_resources): New
10392 variable R; REGNO and LAST_REGNO now unsigned.
10393 (mark_target_live_regs): J and REGNO now unsigned.
10394 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10395 * rtl.h (union rtunion_def): New field rtuint.
10396 (XCUINT): New macro.
10397 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10398 (operand_subword, operand_subword_force): Word number is unsigned.
10399 (choose_hard_reg_mode): Operands are unsigned.
10400 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10401 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10402 (regno_use_in, combine_instructions, remove_death): Likewise.
10403 (reg_scan, reg_scan_update): Likewise.
10404 (extended_count): Return is unsigned.
10405 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10406 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10407 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10408 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10409 (reg_reg_last_1): FIRS and LAST now unsigned.
10410 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10411 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10413 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10414 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10415 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10416 (replace_regs): Arg NREGS now unsigned.
10417 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10418 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10419 (simplify_binary_operation): Likewise.
10420 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10421 THIS_LAST now unsigned.
10422 (cselib_record_set): Add cast.
10423 * ssa.c (ssa_max_reg_num): Now unsigned.
10424 (rename_block): REGNO now unsigned.
10425 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10426 sizes now unsigned.
10427 (all_cases_count): Just return -1 not -2.
10428 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10429 Rework tests to use trees whenever possible.
10430 Use host_integerp and tree_low_cst.
10431 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10432 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10433 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10434 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10435 (smallest_mode_for_size): Likewise.
10436 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10437 KNOWN_ALIGN is now an alignment, so simplify code.
10438 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10439 (start_record_layout): Renamed from new_record_layout_info.
10440 Update to new fields.
10441 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10443 (place_union_field): Renamed from layout_union_field.
10444 Update to use new fields in rli.
10445 (place_field): Renamed from layout_field.
10446 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10447 (finalize_record_size): Rework to use new fields in rli and handle
10449 (compute_record_mode): Rework to simplify and to use new DECL fields.
10450 (finalize_type_size): Make rounding more consistent.
10451 (finish_union_layout): Deleted.
10452 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10453 (layout_type, case RECORD_TYPE): Call new function names.
10454 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10455 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10456 (get_best_mode): UNIT is now unsigned; remove casts.
10457 * tree.c (bit_position): Compute from new fields.
10458 (byte_position, int_byte_position): New functions.
10459 (print_type_hash_statistics): Cast to remove warning.
10460 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10461 (build_index_type): Likewise; make subtype of sizetype.
10462 (build_index_2_type): Pass sizetype to build_range_type.
10463 (build_common_tree_nodes): Use size_int and bitsize_int to
10464 initialize nodes; add bitsize_{zero,one,unit}_node.
10465 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10466 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10467 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10468 (DECL_FIELD_BITPOS): Deleted.
10469 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10470 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10471 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10472 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10473 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10474 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10475 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10476 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10477 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10478 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10479 (DECL_ALIGN): Adjust to new field in union.
10480 (DECL_OFFSET_ALIGN): New field.
10481 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10482 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10483 (union tree_decl): Add struct for both aligns.
10484 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10485 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10486 (struct record_layout_info): Rework fields to have offset
10487 alignment and byte and bit position.
10488 (start_record_layout, place_field): Renamed from old names.
10489 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10490 (byte_position, int_byte_position): Likewise.
10491 (get_inner_reference): Change types of position and length.
10492 * unroll.c (unroll_loop): New variable R; use for some loops.
10493 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10494 (calculate_giv_inc): Arg REGNO now unsigned.
10495 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10496 * varasm.c (assemble_variable): Clean up handling of size using
10497 host_integerp and tree_low_cst.
10498 (decode_addr_const): Use byte, not bit, position.
10499 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10500 use tree_low_cst and int_bit_position.
10501 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10503 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10505 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10506 (reorder_block_def): New members eff_head and eff_end.
10507 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10508 (verify_insn_chain): New function.
10509 (skip_insns_between_block): Add code to skip deleted insns.
10510 Check for note before using.
10511 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10512 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10513 Check for note before using.
10514 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10515 (fixup_reorder_chain): Restructure, clean up, defect removal.
10516 (reorder_basic_blocks): Remove last_insn and references to it.
10517 Moved insn chain verification code into a new function (see above).
10518 Delete defective code that sets last insn.
10519 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10522 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10524 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10526 2000-03-24 Richard Henderson <rth@cygnus.com>
10528 * tree.c (lang_safe_for_unsave): Remove.
10529 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10530 allowing for two levels of unsafeness. Remove lang hook.
10531 * tree.h: Update declarations.
10532 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10533 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10534 Always fail sibcalls when there are pending cleanups.
10536 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10538 * flow.c (propagate_block): When we delete an ADDR_VEC,
10539 also delete the BARRIER following it if there is one.
10541 2000-03-24 Richard Henderson <rth@cygnus.com>
10543 * builtins.c (expand_builtin_bzero): Convert `length' argument
10546 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10548 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10549 comparison if regno's are equal.
10550 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10551 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10552 (expand_call): Update caller.
10553 Avoid making a sibling call if argument size of the callee is larger
10554 than argument size of the caller.
10555 Call hard_function_value with outgoing set if in sibcall pass.
10556 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10558 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10559 Change LEAF_REGISTERS from an array initializer to actual array
10560 identifier. Move static global variable into the function.
10561 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10562 sequences for leaf functions.
10563 * global.c (global_alloc): Likewise.
10564 * tm.texi (LEAF_REGISTERS): Update documentation.
10566 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10567 TARGET_FLAT leaf disabling hack.
10568 (LEAF_REGISTERS): Changed from an array initializer to actual array
10569 identifier to avoid duplication and remove the above hack.
10570 (FUNCTION_OK_FOR_SIBCALL): Define.
10571 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10572 always like call attribute.
10573 (eligible_for_sibcall_delay): New attribute.
10574 (sibcall): New delay type.
10575 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10576 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10577 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10578 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10579 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10581 (output_function_epilogue): Move part of the code into
10582 output_restore_regs.
10583 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10585 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10588 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10589 until infrastructure is finished.
10591 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10593 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10594 (save_parm_insns): Not here.
10596 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10598 * builtins.c (expand_builtin_bzero): New function.
10599 (expand_builtin): Handle bzero.
10601 * builtins.def: Add BUILT_IN_BZERO.
10603 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10604 prototype & function for bzero.
10606 2000-03-23 Michael Meissner <meissner@redhat.com>
10608 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10609 change adding TARGET_FP to the TF floating point insns, except for
10610 trunctfsf2, which generates direct calls to truncdfsf2.
10612 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10614 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10615 try to protect against middle-end changes that break binary
10617 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10619 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10621 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10623 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10625 * calls.c (expand_call): If TARGET is passed by reference and
10626 is readonly, write a CLOBBER.
10628 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10630 * builtins.c (expand_builtin): Handle bcmp.
10632 * builtins.def: Add BUILT_IN_BCMP.
10634 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10635 prototype & function for bcmp.
10637 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10639 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10640 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10641 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10643 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10645 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10646 alternative when using -fp64 -gp32.
10648 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10650 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10651 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10652 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10654 * frame.h (frame_state): Revert last change.
10655 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10656 * libgcc2.c (throw_helper): Revert last change.
10658 2000-03-22 Richard Henderson <rth@cygnus.com>
10660 * stmt.c (expand_asm_operands): Don't promote the temporary.
10662 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10664 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10665 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10666 c_get_alias_set): Likewise.
10667 * c-decl.c (duplicate_decls): Likewise.
10668 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10669 * calls.c (initialize_argument_information): Likewise.
10670 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10672 * dwarfout.c (decl_class_context,output_type): Likewise.
10673 * expr.c (get_inner_reference): Likewise.
10674 * fold-const.c (simple_operand_p,fold): Likewise.
10675 * function.c (aggregate_value_p): Likewise.
10676 * stmt.c (expand_asm_operands): Likewise.
10677 * varasm.c (named_section): Likewise.
10679 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10681 Implement dwarf2 exception handling for the ARM.
10682 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10683 (DWARF_FRAME_RETURN_COLUMN): Define.
10684 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10685 REG_FRAME_RELATED_EXPR note.
10686 (emit_sfm): Likewise.
10687 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10688 * dwarf2out.c (reg_save): Handle saving a register to itself.
10689 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10690 * except.c (eh_regs): Don't use the static chain reg if it's
10692 * frame.h (frame_state): Add cfa_saved field.
10693 * frame.c (execute_cfa_insn): Set it.
10694 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10696 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10698 (instantiate_virtual_regs): Adjust.
10700 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10701 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10702 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10704 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10705 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10707 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10709 * builtins.def: New file.
10711 * Makefile.in (TREE_H): Depend on builtins.def.
10713 * builtins.c (built_in_names): Use builtins.def.
10715 * tree.h (built_in_function): Likewise.
10717 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10719 * tree.c (size_in_bytes): Return size_zero_node, not
10722 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10724 * config/fp-bit.c (pack_d): Correct the case when a denormal
10725 is rounded up and stops being denormal.
10727 2000-03-21 Richard Henderson <rth@cygnus.com>
10729 * config/alpha/alpha.c (function_arg): Check for void_type_node
10730 before using MUST_PASS_IN_STACK.
10732 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10734 * regmove.c (combine_stack_adjustments_for_block): Check that
10735 the stack pointer is a valid memory address.
10737 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10739 * calls.c: re-install Mar 16 emit_library_call merge.
10741 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10743 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10744 we cannot be sure that if reload_completed base register will
10745 be properly aligned.
10747 2000-03-21 Richard Henderson <rth@cygnus.com>
10749 * flow.c (delete_block): Fix typo last change.
10751 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10753 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10754 not COMPLETE_TYPE_P, to check the type of the expression.
10756 2000-03-21 Michael Meissner <meissner@redhat.com>
10758 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10759 all floating point insns that just tested the macro
10760 TARGET_HAS_XFLOATING_LIBS.
10761 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10762 used to only use the gprs.
10764 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10766 * tree.h (COMPLETE_TYPE_P): New macro.
10767 (COMPLETE_OR_VOID_TYPE_P): New macro.
10768 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10769 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10770 * c-aux-info.c (gen_type): Use them.
10771 * c-common.c (c_expand_expr_stmt): Likewise.
10772 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10773 grokdeclarator, grokparms, finish_struct, start_function,
10774 store_parm_decls, combine_parm_decls): Likewise.
10775 * c-parse.y (cast_expr): Likewise.
10776 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10777 c_size_in_bytes, c_alignof, build_component_ref,
10778 build_indirect_ref, build_array_ref, convert_arguments,
10779 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10780 * calls.c (initialize_argument_information): Likewise.
10781 * convert.c (convert_to_integer): Likewise.
10782 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10783 * dwarfout.c (location_or_const_value_attribute,
10784 output_enumeration_type_die, output_structure_type_die,
10785 output_union_type_die, output_type): Likewise.
10786 * expr.c (safe_from_p, expand_expr): Likewise.
10787 * function.c (assign_parms): Likewise.
10788 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10789 * tree.c (build_array_type, build_function_type,
10790 build_method_type, build_offset_type, build_complex_type): Likewise.
10791 * c-parse.c, c-parse.h: Regenerated.
10793 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10795 * config/c4x/rtems.h: Include config/rtems.h.
10797 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10799 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10800 decl is a FUNCTION_DECL
10802 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10804 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10805 function uses output registers. Don't save RP for leaf functions.
10806 Do save RP even if no epilogue.
10807 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10808 (CALL_USED_REGISTERS): Unmark in registers.
10809 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10810 to near the middle.
10812 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10814 * config/rs6000/rs6000.md (bunordered): New expander.
10815 (bordered): New expander.
10816 (buneq): New expander.
10817 (bunge): New expander.
10818 (bungt): New expander.
10819 (bunle): New expander.
10820 (bunlt): New expander.
10821 (bltgt): New expander.
10823 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10824 (ccr_bit_negated_p): New function.
10825 (print_operand): For %C, generate appropriate cror for UNEQ,
10826 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10828 2000-03-20 Andreas Jaeger <aj@suse.de>
10830 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10833 * tree.h (safe_for_unsave): Prototype.
10835 2000-03-20 Richard Henderson <rth@cygnus.com>
10837 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10838 (combine_stack_adjustments_for_block): Don't allow sp references
10839 in the side of a set we're not fixing up.
10840 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10841 after life_analysis.
10843 2000-03-20 Richard Henderson <rth@cygnus.com>
10845 * calls.c (expand_call): Don't bother generating tail call
10846 sequences if there are pending cleanups. Use
10847 expand_start_target_temps/expand_end_target_temps to elide
10848 cleanups created during sibcall expansion.
10850 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10852 * configure.in: Set $IFS to a value if it doesn't already have one
10853 in the --enable-checking handling.
10854 * configure: Regenerate.
10856 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10858 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10859 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10862 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10864 * jump.c (delete_noop_moves): Remove code attempting to
10865 combine stack adjustments.
10867 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10869 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10870 * except.c (emit_cleanup_handler): Use them.
10871 (expand_end_all_catch): Likewise.
10872 * function.c (fixup_var_refs): Likewise.
10873 (expand_function_end): Clear catch_clauses_last.
10874 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10875 * except.h (struct eh_status): New field x_catch_clauses_last.
10876 (catch_clauses_last): New define.
10878 * Makefile.in (tree.o): Depend on HASHTAB_H.
10879 * tree.c: Include hashtab.h.
10880 (struct type_hash): Remove next field.
10881 (TYPE_HASH_SIZE): Remove.
10882 (TYPE_HASH_INITIAL_SIZE): New define.
10883 (type_hash_table): Change type to htab_t.
10884 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10885 mark_hash_entry): New functions.
10886 (init_obstacks): Allocate type hash.
10887 (type_hash_lookup): Use htab functions.
10888 (type_hash_add, mark_type_hash): Likewise.
10889 (dump_tree_statistics): Call print_type_hash_statistics.
10891 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10893 * rs6000/t-aix41: New file.
10895 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10897 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10899 * tm.texi (Driver): Fix typos and tweak entry for
10901 Move misplaced STRUCT_FORCE_BLK entry ...
10902 (Storage Layout): ... to here.
10903 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
10905 2000-03-19 Richard Henderson <rth@cygnus.com>
10907 * flow.c (delete_block): Delete the addr_vec along with the block.
10908 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
10911 * fold-const.c (extract_muldiv): Apply type check for defined
10912 overflow to multiply as well as divide.
10914 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
10916 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10918 * emit-rtl.c (remove_unncessary_notes): Check that all
10919 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
10920 associated NOTE_BLOCK.
10921 * function.h (identify_blocks): Update comments.
10922 (reorder_blocks): Declare.
10923 * function.c (identify_blocks): Don't take paramters.
10924 (reorder_blocks): Don't take parameters.
10925 * loop.h (find_loop_tree_blocks): Remove.
10926 (unroll_block_trees): Likewise.
10927 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
10928 reorder_blocks instead of unroll_block_trees.h
10929 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
10930 * stmt.c (find_loop_tree_blocks): Remove.
10931 (unroll_block_trees): Likewise.
10932 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
10933 in whole-function mode.
10934 * tree.h (reorder_blocks): Remove declaration.
10936 * expr.c: Include intl.h.
10937 * Makefile.in (expr.o): Depend on intl.h.
10939 2000-03-18 Richard Henderson <rth@cygnus.com>
10941 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
10943 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10945 * tree.h (tree_index): Remove enumerals for integer types.
10946 (integer_type_kind): New type.
10947 (integer_types): New variable.
10948 (char_type_node): Adjust.
10949 (signed_char_type_node): Likewise.
10950 (unsigned_char_type_node): Likewise.
10951 (short_integer_type_node): Likewise.
10952 (short_unsigned_type_node): Likewise.
10953 (integer_type_node): Likewise.
10954 (unsigned_type_node): Likewise.
10955 (long_integer_type_node): Likewise.
10956 (long_unsigned_type_node): Likewise.
10957 (long_long_integer_type_node): Likewise.
10958 (long_long_unsigned_type_node): Likewise.
10959 * tree.c (integer_types): New variable.
10960 (init_obstacks): Register it as a root.
10962 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
10964 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
10965 NEXT_INSN. Update last insn in chain.
10967 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
10969 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
10970 with TYPE_DECL_SUPPRESS_DEBUG set.
10972 2000-03-18 Richard Henderson <rth@cygnus.com>
10974 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
10976 2000-03-18 Richard Henderson <rth@cygnus.com>
10978 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
10979 care for HALF_PIC_P.
10980 (expander_call_insn_operand): Remove.
10981 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
10982 * i386.h (PREDICATE_CODES): Update.
10983 * i386.md (all call expanders): Remove predicates, remove special
10984 handling for half-pic.
10985 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
10986 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
10987 (sibcall_epilogue): New.
10989 2000-03-17 Richard Henderson <rth@cygnus.com>
10991 * rtlanal.c (single_set): Reject if the parallel has anything
10992 except SET or USE or CLOBBER.
10994 2000-03-17 Jeff Law <law@cygnus.com>
10995 Richard Henderson <rth@cygnus.com>
10997 * Makefile.in (OBJS): Add sibcall.o.
10999 * sibcall.c: New file.
11000 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11001 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11002 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11003 Emit sibcall patterns when requested. Update all callers.
11004 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11005 elimination seems feasable.
11006 * final.c (leaf_function_p): Sibling calls don't discount being
11008 * flow.c (HAVE_sibcall_epilogue): Provide default.
11009 (find_basic_blocks_1): Sibling calls don't throw.
11010 (make_edges): Make edge from sibling call to EXIT.
11011 (propagate_block): Don't remove sibcall_epilogue insns.
11012 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11013 (sibcall_epilogue): New.
11014 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11015 (identify_blocks_1): Likewise. Break out from ...
11016 (identify_blocks): ... here.
11017 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11018 (reorder_blocks): ... here.
11019 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11020 (record_insns): Extend a varray instead of mallocing new memory.
11021 (contains): Read a varray not array of ints.
11022 (sibcall_epilogue_contains): New.
11023 (thread_prologue_and_epilogue_insns): Emit and record
11024 sibcall_epilogue patterns.
11025 (init_function_once): Allocate prologue/epilogue varrays.
11026 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11027 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11028 Broken out from ...
11029 (save_for_inline_nocopy): ... here.
11030 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11031 Broken out from ...
11032 (expand_inline_function): ... here.
11033 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11034 (subst_constants): Handle 'n' formats.
11035 * jump.c (jump_optimize_minimal): New.
11036 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11037 optimizations if it's set.
11038 * rtl.c (copy_rtx): Do copy jump & call for insns.
11039 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11040 (SIBLING_CALL_P): New.
11041 (sibcall_use_t): New.
11042 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11043 Invoke optimize_sibling_and_tail_recursive_calls.
11044 * tree.c (lang_safe_for_unsave): New.
11045 (safe_for_unsave): New.
11046 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11048 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11049 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11050 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11052 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11054 * objc/objc-act.c (encode_method_prototype): Pass types, not
11055 PARM_DECLs, to int_size_in_bytes.
11057 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11059 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11061 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11062 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11064 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11066 * Clean up usages of TREE_INT_CST_LOW.
11067 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11068 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11070 * c-tree.h (min_precision): Move declaration to here.
11071 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11072 (build_unary_op, add_pending_init): Use bit_position.
11073 (pending_init_member, process_init_element): Likewise.
11074 (really_start_incremental_init, push_init_level, pop_init_level):
11075 Don't make copies of nodes or modify them in place, use consistent
11076 types when tracking positions, and use tree routines computations.
11077 (set_init_index, output_init_element): Likewise.
11078 (output_pending_init_elements, process_init_element): Likewise.
11079 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11080 tree_low_cst and int_bit_position; also minor cleanup.
11081 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11082 (print_cst_octal): Precision is unsigned.
11083 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11084 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11085 (simple_type_align_in_bits): Result is unsigned int.
11086 Use tree_int_low_cst and host_integerp.
11087 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11088 (field_byte_offset): Result is HOST_WIDE_INT.
11089 Change types of internal variables so alignments are unsigned int,
11090 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11091 Use host_integerp, tree_low_cst, and int_bit_position.
11092 (add_bit_offset_attribute): Likewise.
11093 (add_data_member_location_attribute): Use tree_cst_low.
11094 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11095 (add_bit_size_attribute): Use tree_low_cst.
11096 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11097 * dwarfout.c: Similar changes to dwarf2out.c.
11098 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11099 * genoutput.c (n_occurences): Return -1 for null string.
11100 (strip_whitespace): Accept null string and make into function.
11101 (scan_operands): Reflect above changes.
11102 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11103 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11104 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11105 * tree.c (int_size_in_bytes): Check for too big to represent.
11106 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11107 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11109 (min_precision): Delete from here.
11110 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11111 and int_bit_position.
11112 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11113 (encode_method_def): Likewise.
11114 (build_ivar_list_initializer): Use int_bit_position.
11115 (generate_shared_structures): Convert size.
11116 (encode_type, encode_complete_bitfield): Use integer_zerop.
11117 (encode_bitfield): Use tree_low_cst and int_bit_position.
11119 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11121 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11123 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11125 * call.c (special_function_p): It is only malloc if it returns
11128 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11130 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11131 (C33_FLAG, TARGET_C3X): Add macros.
11132 (TARGET_SWITCHES): Add -m33 option.
11133 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11135 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11137 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11138 (PARALLEL_PACK_FLAG): Delete.
11139 (TARGET_SWITCHES): Update.
11140 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11142 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11144 * fold-const.c (fold): Fix a few cases when the returned result
11145 is not of the same type as the input.
11147 2000-03-16 Nick Clifton <nickc@cygnus.com>
11149 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11152 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11154 * libgcc2.h: Move prototypes above macros with the same name.
11155 Wrap some function prototypes in the conditional which indicates
11156 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11158 2000-03-16 Richard Henderson <rth@cygnus.com>
11160 * calls.c: Revert last two changes.
11162 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11164 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11165 has exponent 0 is a zero.
11167 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11168 HASH may already be nonzero. Add code/mode into hash value
11169 immediately after repeat label.
11170 (cselib_lookup): Don't leave the hash table in an inconsistent
11171 state before a hash lookup operation.
11173 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11175 * i386.md (all HI and QI mode non-move patterns): Conditionize
11176 by TARGET_[HQ]IMODE_MATH.
11177 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11178 x86_promote_qi_regs): Declare.
11179 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11180 TARGET_PROMOTE_QI_REGS): New macros.
11181 (PROMOTE_MODE): New macro.
11182 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11183 x86_promote_qi_regs): New global variables.
11185 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11187 * calls.c (emit_library_call_value_1): Break out from ...; handle
11188 VOIDmode function calls too.
11189 (emit_library_call_value): ... here.
11190 (emit_library_call): Implement by calling emit_library_call_value_1.
11192 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11194 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11195 Update arg_space_so_far on stack adjustments.
11196 (emit_library_call, emit_library_call_value): Likewise; take into
11197 account arg_space_so_far and pending_stack_adjust when calculcating
11200 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11202 * flow.c: Move all basic block reordering code into its own file.
11203 (create_basic_block): Externalize.
11204 * bb-reorder.c: New file. Copy all basic block reordering code from
11205 flow.c to this file.
11206 (reorder_basic_blocks): Fix fencepost error in for-loop.
11207 (reorder_basic_blocks): Remove braces from single statement for-loops.
11208 * basic-block.h: Add declaration for create_basic_block.
11209 * Makefile.in: Add rules for bb-reorder.o.
11211 2000-03-16 Neil Booth <NeilB@earthling.net>
11213 * cppinit.c (handle_option): Implement #unassert directive
11214 as -A- command line option.
11215 (print_help): Update.
11216 * cpptexi.c: Update.
11218 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11220 * md.texi (Standard Names): Document `jump'.
11222 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11224 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11227 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11229 Merge changes from newppc-branch onto trunk.
11231 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11233 * rs6000.c (toc_hash_table): Update for new hash table functions.
11234 (toc_hash_function): Likewise.
11235 (toc_hash_eq): Likewise.
11236 (toc_hash_mark_entry): Likewise.
11237 (toc_hash_mark_table): Likewise.
11238 (output_toc): Likewise.
11239 (rs6000_add_gc_roots): Likewise.
11241 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11243 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11244 (AR_FLAGS_FOR_TARGET): here. New macro.
11246 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11248 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11249 fpmem_operand) Delete.
11251 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11252 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11253 (rs6000_save_machine_status, rs6000_restore_machine_status,
11254 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11255 references to above variables.
11256 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11257 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11258 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11259 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11260 (XER_REGNO_P, XER_REGNO): New.
11261 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11262 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11263 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11265 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11266 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11267 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11269 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11271 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11272 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11273 * rs6000.h: from here.
11275 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11276 (rs6000_select_rtx_section): Likewise.
11277 (rs6000_encode_section_info): Likewise.
11278 (sdata_section): Likewise.
11279 (sdata2_section): Likewise.
11280 (sbss_section): Likewise.
11281 * sysv4.h (rs6000_select_section): Delete prototype.
11282 (rs6000_select_rtx_section): Likewise.
11283 (rs6000_encode_section_info): Likewise.
11284 (sdata_section): Likewise.
11285 (sdata2_section): Likewise.
11286 (sbss_section): Likewise.
11287 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11289 * sysv4.h: Delete various unnecessary #undef's and put a comment
11290 on the remaining ones.
11291 Change various comments according to coding standard.
11293 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11295 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11296 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11297 (CR0_REGNO_P) Remove.
11298 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11299 setup_incoming_varargs, mtcrf_operation, print_operand,
11300 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11301 Use the above macros.
11303 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11305 * config/rs6000/rs6000.md: Added a new alternative for each
11306 pattern that had a 'x' alternative but no 'y' alternative.
11307 Added a new split for each of the above patterns.
11309 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11311 * aix41.h (ASM_CPU_SPEC): Delete.
11312 (CPP_CPU_SPEC): Delete.
11314 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11315 (ASM_OUTPUT_LABEL): Define.
11316 (ASM_GLOBALIZE_LABEL): Define.
11317 (STRIP_NAME_ENCODING): Define.
11318 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11319 (STRIP_NAME_ENCODING): Don't define.
11320 (ASM_OUTPUT_LABEL): Don't define.
11321 (ASM_GLOBALIZE_LABEL): Don't define.
11322 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11323 names, and ASM_OUTPUT_LABEL to output labels, rather than
11325 (ASM_OUTPUT_LABEL): Define.
11326 (ASM_OUTPUT_INT): Use assemble_name.
11327 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11328 (STRIP_NAME_ENCODING): Don't undefine first.
11329 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11331 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11332 specified with 'asm' even with -fleading-underscore.
11333 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11334 (output_epilog): Likewise.
11335 (output_toc): Likewise.
11336 * tramp.asm: Handle -fleading-underscore correctly.
11338 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11340 (nonlocal_goto_receiver): Delete.
11341 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11343 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11344 (SET_ASM_OP): Define.
11345 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11347 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11348 (ASM_LONG): Define.
11350 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11351 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11353 * rs6000.h: Add 'u' to more constants.
11355 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11357 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11359 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11361 * rs6000.c (reg_or_u_cint_operand): New function.
11362 (logical_operand): Handle 64-bit hosts.
11363 (logical_u_operand): New function.
11364 (non_logical_cint_operand): Handle 64-bit hosts.
11365 (non_logical_u_cint_operand): New function.
11366 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11367 (PREDICATE_CODES): Define new functions.
11368 * rs6000-protos.h: Declare new functions.
11369 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11370 (movdi_64): Bracket code intended for 64-bit hosts. Create
11371 CONST_DOUBLE for 32-bit values.
11372 (scc insns): Generate DImode compares.
11373 (mfcr insns): Create DImode versions.
11374 (sge matchers): New patterns.
11376 2000-02-15 Gabriel Paubert <paubert@iram.es>
11378 * rs6000.md: Correct instructions length attributes and
11379 constraints on unsigned compare instructions.
11380 (*ne0): Disable for PowerPC64.
11382 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11384 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11385 quantity, fix profile1.C test failure under -fPIC.
11387 * rs6000.c: Add 'u' to many constants to suppress warnings.
11388 (constant_pool_expr_1): Make static.
11389 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11390 * rs6000.h: Add 'u' to many constants to suppress warnings.
11392 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11393 for the start of the TOC, instead of LCTOC..0.
11394 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11396 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11397 (load_toc_aix_di): Use LCTOC..1.
11399 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11400 * rs6000.c (rs6000_legitimize_address): New function from
11401 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11402 symbols in the constant pool that really are TOC references.
11403 (print_operand_address): For ELF, write TOC offsets under
11404 -fPIC as subtractions in the insn.
11405 (output_toc): For ELF, define symbols in TOC as normal labels,
11407 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11408 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11409 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11410 * rs6000.md (movsi): Only use create_TOC_reference on
11411 symbols in the constant pool that really are TOC references.
11413 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11414 * rs6000.c (rs6000_reorg): Delete.
11415 * rs6000-protos.h (rs6000_reorg): Delete.
11417 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11419 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11421 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11422 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11423 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11424 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11425 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11426 rs6000_aix_emit_builtin_unwind_init.
11427 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11428 rs6000_emit_eh_toc_restore on AIX.
11429 (return_eh_si): Use r2.
11430 (return_eh_di): Use r2.
11432 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11433 since we're breaking binary compatibility anyway.
11435 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11437 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11438 constant_pool_expr_p): Declare them.
11439 (constant_pool_expr_p): Declare it.
11440 * config/rs6000/rs6000.c (toc_label_name): Define.
11441 (rs6000_override_options): Set toc_label_name.
11442 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11443 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11444 uses_TOC): New functions.
11445 (print_operand): Delete old '*' case.
11446 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11447 and strip off rtl for TOC before calling output_addr_const.
11448 (rs6000_emit_load_toc_table): Use toc_label_name.
11449 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11451 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11452 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11453 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11454 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11455 into explicit TOC_REGISTER offsets.
11456 (TOC_REGISTER): New macro.
11457 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11458 TARGET_TOC to reference TOC_REGISTER.
11459 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11460 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11461 uses_TOC before emitting label references.
11463 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11465 * rs6000.md (stack_tie): Fix warning.
11467 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11468 to handle -fleading-underscore.
11469 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11470 (USER_LABEL_PREFIX): New macro.
11471 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11472 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11473 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11474 call-linux can use the same multilibs.
11475 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11476 and call-linux multilibs. Do multilib with -fleading-underscore.
11477 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11478 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11481 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11482 have MASK_SOFT_FLOAT set.
11483 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11484 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11485 CPP_FLOAT_DEFAULT_SPEC.
11487 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11488 * rs6000.md: Whitespace change.
11489 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11490 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11492 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11494 * rs6000.md (eh_epilogue): New expander.
11495 (eh_reg_restore): New expand/split/insn combination.
11496 (return_eh_si): New insn.
11497 (return_eh_di): New insn.
11499 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11500 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11501 * eabi-ctors.c (__do_global_ctors): Register this object's
11502 frame. Clean up. Call atexit() after the constructors.
11503 (__do_global_dtors): Deregister this object's frame. Clean up.
11504 Allow for recursive calls to exit().
11505 * rs6000.c (fixuplabelno): New variable.
11506 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11507 TARGET_RELOCATABLE, it slows down exec() under linux.
11508 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11510 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11511 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11512 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11513 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11514 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11515 (ASM_OUTPUT_DWARF_ADDR): New macro.
11516 (ASM_OUTPUT_DWARF_DATA4): New macro.
11517 (ASM_OUTPUT_DWARF_DATA2): New macro.
11518 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11519 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11520 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11522 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11524 * rs6000.c (rs6000_sr_alias_set): New variable.
11525 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11526 (rs6000_emit_stack_tie): New function.
11527 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11528 in a way that dwarf2out can understand.
11529 (rs6000_frame_related): New function.
11530 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11531 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11532 Use rs6000_emit_stack_tie when needed.
11533 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11534 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11535 * rs6000.md (stack_tie): New insn.
11536 (return_internal_si): Allow return value to be in the count
11538 (return_internal_di): Likewise.
11540 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11542 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11544 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11546 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11548 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11550 * rs6000.md (stmw): Use the right POWER opcode.
11553 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11555 * rs6000-protos.h: New file.
11557 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11559 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11562 * sysv4.h: Likewise.
11564 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11566 * ../../configure.in: Delete powerpcle-*-winnt*
11567 and powerpcle-*-pe|powerpcle-*-cygwin*.
11568 * ../../configure: Regenerated.
11569 * cygwin.h: Delete.
11570 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11571 (TARGET_WINDOWS_NT): Delete.
11573 (CALL_NT_DLLIMPORT): Delete.
11574 Delete NT-specific code.
11575 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11576 * win-nt.h: Delete.
11578 * nt-ci.asm: Delete.
11579 * nt-cn.asm: Delete.
11580 * ntstack.asm: Delete.
11582 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11584 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11585 (ASM_FILE_START): Likewise.
11586 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11587 (ASM_OUTPUT_LABELREF): Likewise.
11588 (ASM_OUTPUT_SKIP): Likewise.
11589 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11590 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11591 (ASM_OUTPUT_CASE_LABEL): Likewise.
11592 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11593 (ASM_OUTPUT_ASCII): Likewise.
11595 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11597 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11598 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11599 increment rs6000_pic_labelno here.
11600 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11601 and increment rs6000_pic_labelno here.
11603 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11605 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11606 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11607 allocation knows (reg) is dead before the insn.
11609 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11611 * rs6000.md (movsi_to_cr): Correct typo in output template.
11613 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11615 * rs6000.c (rs6000_pic_labelno): Always define.
11616 (rs6000_pic_func_labelno): Delete.
11617 (lmw_operation): Check for a zero base register,
11618 which doesn't mean what we want.
11619 (stmw_operation): New function.
11620 (print_operand): Define new 'l' modifier.
11621 (rs6000_stack_info): We must save all 64 bits of the registers
11622 if TARGET_POWERPC64.
11623 (rs6000_output_load_toc_table): Delete.
11624 (rs6000_emit_load_toc_table): New function.
11625 (rs6000_allocate_stack_space): Delete.
11626 (rs6000_emit_allocate_stack): New function.
11627 (rs6000_emit_prologue): New function.
11628 (output_prolog): Use rs6000_emit_prologue.
11629 (rs6000_emit_epilogue): Change a few variable names to be
11630 more accurate. Restore all 64 bits of the registers if
11631 TARGET_POWERPC64. Only restore the FP registers which were used
11632 if they are being saved/restored one-at-a-time.
11633 (output_mi_thunk): Delete inefficient code generation.
11634 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11635 * rs6000.h: Declare rs6000_emit_load_toc_table,
11636 rs6000_allocate_stack_space, stmw_operation. Don't declare
11637 rs6000_output_load_toc_table.
11638 * rs6000.md (elf_high): Allow register 0, but discourage it
11640 (elf_low): Support loading into register 0.
11641 (load_toc_aix_si): New pattern.
11642 (load_toc_aix_di): New pattern.
11643 (load_toc_v4_pic_si): New pattern.
11644 (load_toc_v4_pic_di): New pattern.
11645 (load_toc_v4_PIC_1): New pattern.
11646 (load_toc_v4_PIC_1b): New pattern.
11647 (load_toc_v4_PIC_2): New pattern.
11648 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11649 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11650 (prologue): New expander.
11651 (movesi_from_cr): New pattern.
11652 (stmw): New pattern.
11653 (save_fpregs_si): New pattern.
11654 (save_fpregs_di): New pattern.
11656 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11658 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11663 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11665 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11667 (movsi_got_internal): Likewise.
11668 (movsi_got_internal+1): Likewise.
11669 (set_sp): 'unspec 7' does a SImode clobber.
11671 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11673 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11674 allocate a stack temporary.
11675 (floatsidf2_internal): Likewise.
11676 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11678 (floatunssidf2): Don't use the fpmem "register", just
11679 allocate a stack temporary.
11680 (floatunssidf2_internal): Likewise.
11681 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11683 (floatsidf2_loadaddr): Delete.
11684 (floatsidf2_store1): Delete.
11685 (floatsidf2_store2): Delete.
11686 (floatsidf2_load): Delete.
11687 (fix_truncdfsi2): Don't use the fpmem "register", just
11688 allocate a stack temporary.
11689 (fix_truncdfsi2_internal_si): Delete.
11690 (fix_truncdfsi2_internal_di): Delete.
11691 (fix_truncdfsi2_internal): New insn.
11692 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11693 (fix_truncdfsi2_store): Delete.
11694 (fix_truncdfsi2_load): Delete.
11695 (fctiwz): Produce gen_fctiwz.
11697 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11699 * eabi.h (INVOKE__main): Define.
11700 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11702 (rs6000_emit_prologue): Likewise.
11703 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11704 this is the main program.
11706 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11708 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11710 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11712 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11713 goes after the argument.
11715 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11717 * rs6000.md: Document 'unspec' values used.
11718 (epilogue): New expander.
11719 (movesi_to_cr_one): New expander.
11720 (movesi_to_cr and following): New pattern.
11721 (lmw): New pattern.
11722 (return_internal_si): New pattern.
11723 (return_internal_di): New pattern.
11724 (return_and_restore_fpregs_si): New pattern.
11725 (return_and_restore_fpregs_di): New pattern.
11726 * rs6000.h: Declare new functions.
11727 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11728 rather than rs6000_calls_p.
11729 (rs6000_makes_calls): Delete.
11730 (lmw_operation): New function.
11731 (mtcrf_operation): New function.
11732 (rs6000_emit_epilogue): New function.
11733 (output_epilog): Call rs6000_emit_epilogue and final if
11734 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11736 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11738 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11739 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11740 * aix.h (SUBTARGET_SWITCHES): Document switches.
11741 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11742 sched-prolog and sched-epilog the same. Document all the
11744 (TARGET_OPTIONS): No longer allow -mdebug-.
11746 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11748 * rs6000.h (ASM_FILE_END): Move to aix.h.
11749 (EXTRA_SECTIONS): Move to aix.h.
11750 (READONLY_DATA_SECTION): Move to aix.h.
11751 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11752 (SELECT_SECTION): Move to aix.h.
11753 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11754 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11755 (LINK_REGISTER_REGNUM): New definition.
11756 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11757 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11759 * sysv4.h: Delete the code between the inclusion of rs6000.h
11761 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11762 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11763 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11764 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11765 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11766 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11767 (fix_truncdfsi2_internal_di): New pattern.
11768 (fix_truncdfsi2_store): The second arg here is Pmode too.
11769 (fix_truncdfsi2_load): The second arg here is Pmode too.
11770 (tablejumpdi): Now that switch tables hold only SImode values,
11771 gcc needs to know how to add them to the pc which is DImode.
11772 * rs6000.c (rs6000_stack_info): Use symbolic name for
11773 LINK_REGISTER_REGNUM.
11774 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11775 (output_toc): Delete unused variables s1 and s2.
11776 (output_ascii): Use fputs not fprintf on a variable string.
11778 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11780 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11781 * aix43.h: Revert Aug 2 change.
11782 (HAS_INIT_SECTION): Define, not visible yet.
11783 (LD_INIT_SWITCH): Define, not visible yet.
11784 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11786 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11788 * config/rs6000/rtems.h: Include config/rtems.h.
11790 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11792 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11793 (SLOW_UNALIGNED_ACCESS): Define.
11794 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11795 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11796 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11797 (toc_section): Likewise and .toc pseudo-op.
11798 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11800 (TEXT_SECTION_ASM_OP): Likewise.
11801 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11804 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11806 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11807 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11810 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11812 * rs6000.h: Move more stuff from here...
11814 * sysv4.h: Cleanup accordingly.
11815 * netware.h: Likewise
11817 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11819 * rs6000.h: Continue cleanup.
11821 * lynx.h: Likewise.
11822 * netware.h: Likewise.
11823 * sol2.h: Likewise.
11824 * sysv4.h: Likewise.
11825 * win-nt.h: Likewise.
11827 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11828 (TARGET_OPTIONS): Likewise.
11830 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11831 (SUBTARGET_OPTIONS): Likewise.
11833 * rs6000.md: Fix compile time warnings.
11835 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11837 vxworks patches from the Cygnus tree originally by
11838 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11839 <vmakarov@cygnus.com>.
11840 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11841 (ENDFILE_SPEC): Likewise.
11842 (LIB_VXWORKS_SPEC): New macro.
11843 (STARTFILE_VXWORKS_SPEC): New macro.
11844 (ENDFILE_VXWORKS_SPEC): New macro.
11845 (LINK_START_VXWORKS_SPEC): New macro.
11846 (LINK_OS_VXWORKS_SPEC): New macro.
11847 (CPP_OS_VXWORKS_SPEC): New macro.
11848 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11849 * vxppc.h: Rewrite to use proper configuration method.
11850 * vxppcle.h: New file.
11851 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11852 * ../../configure: Rebuilt.
11854 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11856 Lots of changes to rs6000.h, sysv4.h, aix.h,
11857 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11858 with the aim that rs6000.h is the first header
11859 included and the others override it.
11862 * x-aix41-gld: Remove.
11864 * x-aix41: Remove target-specific switches, and don't specify
11865 -Wl,-bbigtoc as we don't need it any more.
11866 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11867 Use t-aix43 for AIX 4.3 and above.
11868 * ../../configure: Regenerated.
11870 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11871 options, that don't do anything yet.
11872 (MASK_SCHED_PROLOG): New macro.
11873 (MASK_SCHED_EPILOG): New macro.
11874 (TARGET_SCHED_PROLOG): New macro.
11875 (TARGET_SCHED_EPILOG): New macro.
11877 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11879 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11880 one per translation unit, not one per function.
11881 (output_toc): Also do duplicate constant elimination
11882 for per-translation-unit TOCs.
11884 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11885 a comment explaining _exactly_ when this pattern gets used.
11886 (builtin_setjmp_receiver): New pattern for better clarity.
11887 (init_v4_pic): Move it into a section dealing with TOC registers.
11889 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11891 * rs6000.c (toc_hash_table): New variable.
11892 (rs6000_hash_constant): New function.
11893 (toc_hash_function): New function.
11894 (toc_hash_eq): New function.
11895 (toc_hash_mark_entry): New function.
11896 (toc_hash_mark_table): New function.
11897 (output_toc): Don't output duplicate TOC entries in
11899 (rs6000_add_gc_roots): Add the hash table as a GC root.
11900 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
11901 where they clearly shouldn't be. This may need to be fixed
11902 later when there is a GNU ar for AIX.
11903 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
11904 Don't define BOOT_LDFLAGS as it is now not necessary.
11906 1999-12-29 Geoff Keating <geoffk@cygnus.com>
11908 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
11909 for va_list on AIX. Use unsigned_char_type_node rather than
11910 constructing our own version on svr4.
11912 1999-12-17 Geoff Keating <geoffk@cygnus.com>
11914 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
11915 since patently it's not.
11917 1999-12-08 Geoff Keating <geoffk@cygnus.com>
11919 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
11920 define_expand/define_insn pair, and handle restore of the
11921 SVR4 -fpic register.
11923 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
11925 * acconfig.h (HAVE_GAS_WEAK): New define.
11926 * configure.in (assembler weak support): Check for .weak support.
11927 * config.in, configure: Rebuilt.
11928 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
11929 HAVE_GAS_WEAK is defined.
11931 2000-03-15 Nick Clifton <nickc@cygnus.com>
11933 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
11936 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
11938 * cppfiles.c (open_include_file): New function.
11939 (find_include_file, cpp_read_file): Use it.
11941 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11943 * cpphash.c (dump_hash_helper): Take the slot, not the element.
11945 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
11947 * flow.c (verify_flow_info): Check for unconditional return.
11949 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
11951 * config/ia64/ia64.md (restore_stack_nonlocal): New.
11952 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
11953 (__ia64_restore_stack_nonlocal): New.
11954 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
11956 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11958 * cpphash.c (collect_formal_parameters): Do not complain about
11959 parameter names that just start with `__VA_ARGS__'.
11961 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
11963 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
11964 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
11965 * i386.c (pentiumpro_cost): Set mul cost to 4.
11966 (x86_use_movx): Set for PPro.
11968 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
11970 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
11971 STACK_BOUNDARY for empty frames now.
11973 2000-03-14 Mark Mitchell <mark@codesourcery.com>
11975 * stor-layout.c (layout_union): Remove.
11976 (layout_union_field): New function, split out from layout_union.
11977 (finish_union_layout): Likewise.
11978 (layout_field): Handle unions by calling layout_union_field.
11979 (finish_record_layout): Handle unions.
11980 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
11981 QUAL_UNION_TYPE handling.
11983 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
11985 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
11986 end of basic block is jump_insn, not barrier; use create_basic_block
11987 instead of creating basic block by hand.
11989 2000-03-14 Jason Eckhardt <jle@cygnus.com>
11991 * flow.c (reorder_basic_blocks): Account for barriers when writing
11992 over NEXT_INSN (last_bb->end).
11993 (verify_flow_info): Add check for missing barriers.
11995 2000-03-14 Greg McGary <gkm@gnu.org>
11997 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
11998 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
11999 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12000 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12001 __unbounded, __unbounded__): New keywords.
12002 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12003 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12004 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12006 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12008 * cselib.h: New file.
12009 * alias.c: Include "cselib.h".
12010 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12011 MEMs as two new arguments.
12012 (get_addr): New static function.
12013 (find_base_term): Handle VALUEs.
12014 (memrefs_conflict_p): Likewise.
12015 (true_dependence): Call get_addr on the addresses.
12016 Call fixed_scalar_and_varying_struct_p with addresses that have been
12017 passed through get_addr and canon_rtx.
12018 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12019 with true_dependence.
12020 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12021 * loop.c: Include "cselib.h".
12022 (load_mems): Process extended basic block that enters the loop with
12023 cselib. Use that information to change initialization of the shadow
12024 register so that a constant equivalence is seen by later passes.
12025 * reload1.c: Include "cselib.h".
12026 (reload_cse_invalidate_regno): Delete function.
12027 (reload_cse_mem_conflict_p): Likewise.
12028 (reload_cse_invalidate_mem): Likewise.
12029 (reload_cse_invalidate_rtx): Likewise.
12030 (reload_cse_regno_equal_p): Likewise.
12031 (reload_cse_check_clobber): Likewise.
12032 (reload_cse_record_set): Likewise.
12033 (reg_values): Delete static variable.
12034 (invalidate_regno_rtx): Likewise.
12035 (reload_cse_delete_noop_set): New static function.
12036 (reload_cse_simplify): New static function, broken out of
12038 (reload_cse_noop_set_p): Delete unused argument INSN.
12039 Just call rtx_equal_for_cselib_p on set source and destination.
12040 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12041 reload_cse_delete_noop_set. Delete code to keep track of values; use
12042 cselib functions instead. Delete code to push/pop obstacks.
12043 (reload_cse_simplify_set): Use cselib to find equivalent values.
12044 Delete code to push/pop obstacks.
12045 (reload_cse_simplify_operands): Likewise.
12046 * rtl.def (VALUE): New rtx code.
12047 * rtl.h (union rtunion_def): New elt rt_cselib.
12048 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12049 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12050 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12051 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12052 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12053 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12054 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12055 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12056 cselib_record_set, cselib_record_sets): New static functions.
12057 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12058 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12059 references_value_p): New functions.
12060 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12061 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12062 n_useless_values, reg_values, callmem, cselib_obstack,
12063 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12064 New static variables.
12065 * varray.h (union varray_data_tag): New elt te.
12066 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12067 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12070 2000-03-14 Nick Clifton <nickc@cygnus.com>
12072 * gcc.c (do_spec_1): Catch the case where %* is used in a
12073 substitution pattern, but it has not been initialised.
12074 Issue a meaningful error message if an unrecognised operator
12075 is encountered in a spec string.
12077 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12079 * function.c (prepare_function_start): Correctly initialize
12080 cfun->stack_alignment_needed.
12082 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12084 * cppfiles.c (find_include_file): Don't assume nshort is a
12087 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12089 * configure.in (hppa configurations): Add pa32-regs.h to the
12090 list of tm files as appropriate.
12091 * configure: Rebuilt.
12092 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12093 register numbering.
12094 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12095 (fmpyaddoperands, fmpysuboperands): Likewise.
12096 * pa.h: Remove various definitions which depend on knowing
12097 how registers are numbered.
12098 * pa32-regs.h: New file with PA32 register numbering specific
12101 2000-03-14 Richard Henderson <rth@cygnus.com>
12103 * regmove.c (combine_stack_adjustments): New.
12104 (stack_memref_p, single_set_for_csa): New.
12105 (free_csa_memlist, record_one_stack_memref): New.
12106 (try_apply_stack_adjustment): New.
12107 (combine_stack_adjustments_for_block): New.
12108 * rtl.h (combine_stack_adjustments): Declare.
12109 * toplev.c (rest_of_compilation): Call it.
12111 * i386.md: Revert 2000-01-16 change.
12113 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12115 * gccbug.in: Add web category, gcc specific classes.
12117 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12119 * stor-layout.c (finalize_record_size): Fix typo.
12121 2000-03-14 Stan Shebs <shebs@apple.com>
12123 * c-typeck.c (c_alignof): Error on incomplete types.
12124 * extend.texi (Alignment): Document this.
12126 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12128 * cppfiles.c: Include mkdeps.h.
12129 (find_include_file, read_include_file): Remove _cpp_ prefix
12130 from name, make static.
12131 (_cpp_execute_include): New function, broken out of
12134 * cpplib.c: Don't include mkdeps.h.
12135 (struct directive): Remove type field. Reorder entries. The
12136 function takes only one argument.
12137 (struct if_stack): Make type field an int.
12138 (directive_table): Rename to dtable. Generate it, the
12139 prototypes of the directive handlers, and the enum for the
12140 directive numbers, from a template macro.
12141 (do_ifndef, do_include_next, do_import): New functions.
12142 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12143 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12144 do_ident, do_assert, do_unassert, do_sccs): Take only one
12146 (do_sccs): Define always, but alter behavior based on
12148 (_cpp_handle_directive, consider_directive_while_skipping):
12149 Restructure for new directive table layout.
12151 (pass_thru_directive): Take a directive number, not a pointer
12152 to a struct directive.
12153 (parse_include): New function, broken out of do_include.
12154 (do_include, do_import, do_include_next): Use parse_include
12155 and _cpp_execute_include.
12156 (do_elif, do_else): Test for T_ELSE specifically when checking
12157 for #elif/#else after #else.
12158 (parse_ifdef): New function, broken out of do_ifdef.
12159 (validate_else): Expect a name arg without a leading #.
12160 (if_directive_name): Delete.
12161 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12162 directive handlers with only one argument.
12164 * cpphash.h: Update prototypes.
12165 (enum node_type): Remove entries for directives.
12166 * Makefile.in: Update dependencies.
12168 * cpphash.c (dump_hash_helper): Only dump nodes of type
12169 T_MACRO. Emit a newline after each definition.
12171 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12173 * gccbug.in: New file.
12174 * configure.in (all_outputs): Add gccbug.
12175 * Makefile.in (install-common): Install gccbug.
12176 (GCCBUG_INSTALL_NAME): New variable.
12177 * configure: Rebuilt.
12179 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12181 * function.c (put_var_into_stack): Use type_for_mode to calculate
12182 part_type. Use MEM_SET_IN_STRUCT_P.
12183 * expr.c (store_field): Handle CONCAT.
12184 (store_constructor): Use fields_length.
12185 * tree.c (fields_length): New fn.
12186 * tree.h: Declare it.
12188 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12190 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12191 (cpplex.o): New target.
12192 * po/POTFILES.in: Add cpplex.c.
12194 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12195 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12196 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12197 skip_block_comment, skip_line_comment, skip_comment,
12198 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12199 _cpp_parse_name, skip_string, parse_string,
12200 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12201 _cpp_get_directive_token, find_position,
12202 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12203 (maybe_macroexpand, _cpp_lex_token): New functions.
12205 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12206 parse_goto_mark): Delete.
12207 (_cpp_handle_eof): New function.
12208 (_cpp_handle_directive): Rename from handle_directive.
12209 (_cpp_output_line_command): Rename from output_line_command.
12210 (do_if, do_elif): Call _cpp_parse_expr directly.
12211 * cppfiles.c (_cpp_read_include_file): Don't call
12212 init_input_buffer here.
12213 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12214 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12215 here; pop the token_buffer and skip the rest of the line here.
12216 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12219 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12221 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12222 CPP_GOTO_MARK): New macros.
12223 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12224 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12225 _cpp_read_and_prescan, _cpp_init_input_buffer,
12226 _cpp_grow_token_buffer, _cpp_get_directive_token,
12227 _cpp_handle_directive, _cpp_handle_eof,
12228 _cpp_output_line_command): Prototype them here.
12229 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12230 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12231 quote_string, output_line_command): Remove.
12233 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12235 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12236 whether it is too large we must also verify that it isn't negative.
12238 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12240 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12241 (movsi_zero_liveg0): Remove.
12242 (movsf_insn_novis_liveg0): Remove.
12244 (negsi2_not_liveg0): Rename to negsi2.
12245 (one_cmplsi2): Remove.
12246 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12247 (one_cmplsi2_liveg0): Remove.
12248 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12249 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12250 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12251 (PREDICATE_CODES): Remove zero_operand.
12252 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12253 TARGET_BROKEN_SAVERESTORE.
12254 (zero_operand): Remove.
12255 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12256 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12258 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12259 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12260 TARGET_BROKEN_SAVERESTORE): Remove.
12261 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12263 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12265 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12268 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12270 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12272 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12273 truncating a string. Don't assume tokens are nul terminated.
12274 Problem noted by Andreas Jaeger <aj@suse.de>
12276 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12278 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12279 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12280 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12282 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12284 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12285 STRUCTURE_SIZE_BOUNDARY.
12287 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12289 * tree.h (record_layout_info_s): New structure.
12290 (record_layout_info): New type.
12291 (new_record_layout_info): New function.
12292 (layout_field): Likewise.
12293 (finish_record_layout): Likewise.
12294 * stor-layout.c (layout_record): Remove.
12295 (new_record_layout_info): New function.
12296 (layout_field): New function, broken out from layout_record.
12297 (finalize_record_size): Likewise.
12298 (compute_record_mode): Likewise.
12299 (finalize_type_size): New function, broken out from layout_type.
12300 (finish_record_layout): Likewise.
12301 (layout_type): Use them.
12303 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12305 * cpphash.c: Don't include version.h.
12306 (special_symbol) [case T_VERSION]: Look for the string in
12307 hp->value.cpval; don't use version_string.
12308 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12309 __VERSION__ to version_string.
12310 * Makefile.in (cpphash.o): Update deps.
12312 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12314 Convert cpplib to use libiberty/hashtab.c.
12316 * cpplib.h (struct cpp_reader): Make hashtab and
12317 all_include_files of type 'struct htab *'. Delete HASHSIZE
12318 and ALL_INCLUDE_HASHSIZE macros.
12320 * cpphash.h: Update prototypes.
12321 (struct hashnode): Remove next, prev, and bucket_hdr members.
12322 Make length a size_t. Add hash member.
12323 (struct ihash): Remove next member. Add hash member. Make
12324 name a flexible array member.
12326 * cppfiles.c: Include hashtab.h.
12327 (include_hash): Delete.
12328 (IHASHSIZE): New macro.
12329 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12330 (cpp_included): Do the hash lookup here.
12331 (_cpp_find_include_file): Rewrite.
12332 (cpp_read_file): Put the "fake" hash entry into the hash
12333 table. Honor the control_macro, if it turns out we've seen
12334 the file before. Don't push the buffer here.
12335 (_cpp_read_include_file): Push the buffer here.
12336 (OMODES): New macro. Use it whenever we call open(2).
12338 * cpphash.c: Include hashtab.h.
12339 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12340 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12341 _cpp_lookup_slot): New functions.
12342 (HASHSIZE): new macro.
12343 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12344 (_cpp_lookup): Use hashtab.h routines.
12346 * cppinit.c: Include hashtab.h.
12347 (cpp_reader_init): Call _cpp_init_macro_hash and
12348 _cpp_init_include_hash. Don't allocate hashtab directly.
12349 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12350 pfile->all_include_files.
12351 (initialize_builtins): Use _cpp_make_hashnode and
12352 htab_find_slot to add hash entries.
12353 (cpp_finish): Just call _cpp_dump_macro_hash.
12354 * cpplib.c: Include hashtab.h.
12355 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12356 create hash entries.
12357 (do_pragma_poison, do_assert): Likewise.
12358 (do_include): Don't push the buffer here. Don't increment
12359 system_include_depth unless _cpp_read_include_file succeeds.
12360 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12361 or htab_remove_elt.
12362 (do_pragma_implementation): Use alloca to create copy.
12364 * Makefile.in: Update dependencies.
12366 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12368 * cppinit.c (cl_directive_handler): More K&R fixing.
12370 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12372 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12374 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12376 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12378 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12379 Change from char[] to macros.
12381 2000-03-12 Neil Booth <NeilB@earthling.net>
12383 * cppinit.c (cpp_start_read): Update indirect function
12386 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12388 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12391 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12392 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12394 2000-03-11 Neil Booth <NeilB@earthling.net>
12396 * cppinit.c (struct pending option): Replace undef with a
12397 pointer to a directive handling routine.
12398 (struct cpp_pending): Replace separate assert_ and define_
12399 lists with one directive_ list.
12400 (new_pending_define): Rename new_pending_directive. Extra
12401 argument is the directive's handling routine.
12402 (handle_option): Update to use new_pending_directive.
12404 2000-03-11 Neil Booth <NeilB@earthling.net>
12406 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12407 remap_filename, _cpp_read_include_file, actual_directory,
12408 hack_vms_include_specification): Replace bcopy(), index() etc
12409 calls. Add casts to some allocations. Make some variables
12410 pointers to const [unsigned] char.
12411 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12412 collect_formal_parameters): Similarly.
12413 * cppinit.c (struct pending_option, append_include_chain,
12414 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12415 cpp_start_read, new_pending_define, handle_option): Similarly.
12416 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12417 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12418 do_pragma_implementation, detect_if_not_defined,
12419 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12420 do_assert, do_unassert): Similarly.
12421 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12422 function prototypes.
12423 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12425 2000-03-10 Richard Henderson <rth@cygnus.com>
12427 * builtins.c (expand_builtin_strlen): Revert last change.
12428 Use emit_insn_before if we're at the beginning of a sequence.
12430 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12432 * builtins.c (expand_builtin_strlen): Make sure that we have something
12433 at the beginning of the sequence.
12435 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12438 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12440 2000-03-10 Richard Henderson <rth@cygnus.com>
12442 * except.c (can_throw): Use INTVAL on a CONST_INT.
12443 (reachable_handlers): Likewise.
12444 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12446 2000-03-10 Andreas Jaeger <aj@suse.de>
12448 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12449 MD_STARTFILE_PREFIX since those are not needed on linux.
12450 (ASM_FILE_START): New, from mips/gnu.h.
12452 2000-03-09 Richard Henderson <rth@cygnus.com>
12453 Alex Samuel <samuel@codesourcery.com> and others
12455 * Makefile.in (ssa.o): New rule.
12457 (STAGESTUFF): Add *.ssa and *.ussa.
12458 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12459 * rtl.def (PHI): New RTL expression.
12460 * rtl.h (clear_log_links): New declaration.
12461 (convert_to_ssa): Likewise.
12462 (convert_from_ssa): Likewise.
12463 * flow.c (split_edge): If the entry node falls through to the
12464 split edge's source block, split the entry edge.
12465 (clear_log_links): New function.
12466 * toplev.c (ssa_dump): New variable.
12467 (flag_ssa): Likewise.
12468 (f_options): Add "ssa".
12469 (compile_file): Create SSA dump files.
12470 (rest_of_compilation): Go to and from SSA if enabled.
12471 (decide_d_option): Handle -de for SSA dump files.
12474 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12476 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12479 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12481 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12483 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12485 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12486 (MD_STARTFILE_PREFIX_1): New macro.
12488 2000-03-09 Robert Lipe <robertl@sco.com>
12490 * config/ia64/ia64.c: Include system.h.
12492 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12494 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12495 (init_eh_nesting_info): Likewise.
12497 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12498 (TREE_NOTHROW): Rename from TREE_RAISES.
12499 * toplev.c (rest_of_compilation): Set it.
12500 * print-tree.c (print_node): Adjust.
12501 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12502 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12503 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12504 REG_EH_REGION note as appropriate.
12505 (libfunc_nothrow): New fn.
12506 (emit_library_call, emit_library_call_value): Use it.
12507 (expand_call): Check TREE_NOTHROW.
12509 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12510 DECL_ASSEMBLER_NAME.
12512 2000-03-09 Andreas Jaeger <aj@suse.de>
12514 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12515 (TARGET_MEM_FUNCTIONS): Define.
12517 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12519 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12521 * except.c (can_throw): See through a SEQUENCE.
12522 (nothrow_function_p): New fn.
12523 * except.h: Declare it.
12524 * function.c (current_function_nothrow): New var.
12525 (prepare_function_start): Initialize it.
12526 * output.h: Declare it.
12527 * toplev.c (rest_of_compilation): Set it.
12528 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12530 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12532 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12533 match. (cpp_compare_defs): Count the nul separator when
12534 advancing over argument names.
12536 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12538 * recog.c (preprocess_constraints): Matching constraints affect
12539 same alternative/different operand, not same operand/different
12542 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12543 register and a constant specially.
12545 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12547 * libgcc2.h: New file.
12548 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12550 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12552 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12553 * configure: Regenerate.
12554 * config/ia64: New.
12556 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12558 * Makefile.in (LIBCPP_DEPS): New macro.
12559 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12560 it to declare deps.
12561 * cpperror.c: Include cpphash.h.
12562 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12564 (lex): Don't use CPP_WARN_UNDEF.
12565 (_cpp_parse_expr): Return an int, the truth value.
12566 * cppfiles.c: Include cpphash.h.
12567 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12568 * cppinit.c (include_defaults_array): Disentangle.
12569 (cpp_cleanup): Don't free the if stack here.
12570 (cpp_finish): Pop off all buffers, not just one.
12571 * cpplib.c (eval_if_expr): Return int.
12572 (do_xifdef): Rename do_ifdef.
12573 (handle_directive): Don't use CPP_PREPROCESSED.
12574 (cpp_get_token): Don't use CPP_C89.
12575 * fix-header.c: Don't use CPP_OPTIONS.
12577 * cpplib.h: Move U_CHAR, enum node_type, struct
12578 file_name_list, struct ihash, is_idchar, is_idstart,
12579 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12580 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12581 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12582 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12583 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12584 of _cpp_simplify_pathname, _cpp_find_include_file,
12585 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12586 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12588 Change all uses of U_CHAR to be unsigned char instead.
12589 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12591 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12593 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12594 (dwarf2out_begin_prologue): Set it.
12595 (output_call_frame_info): Don't emit EH unwind info for leaves.
12597 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12598 can occur outside of an EH region.
12599 * except.c: Correct comments about rethrow behavior.
12600 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12602 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12604 * flow.c (make_edges): Always call make_eh_edge for calls.
12606 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12608 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12609 (struct cpp_buffer): Remove fname and underflow fields.
12610 (struct cpp_reader): Remove get_token field.
12611 (struct include_hash): Rename to struct ihash. Add typedef to
12613 (struct if_stack): Remove fname field.
12614 (IF_STACK_FRAME): Rename to IF_STACK.
12616 * cpperror.c (print_containing_files): Trust that there are no
12617 macro buffers below the top file buffer.
12618 * cppfiles.c: Replace all references to 'struct include_hash'
12619 with 'IHASH'. Rename initialize_input_buffer to
12620 init_input_buffer. Don't set or reference cpp_buffer->fname,
12621 use buffer->ihash->name instead.
12622 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12623 not CPP_NULL_BUFFER.
12624 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12625 IF_STACK_FRAME, IHASH not struct include_hash.
12626 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12627 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12628 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12629 references to cpp_buffer->fname (delete entirely, or use
12630 ->ihash->name instead) and IF_STACK->fname.
12631 (cpp_push_buffer): Don't set new->underflow.
12632 (do_include): Use cpp_file_buffer.
12634 * cpphash.c (collect_formal_parameters): Remove duplicate
12635 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12636 used as a macro argument name. Don't append "..." to namebuf
12637 for varargs macros. After we're done scanning, go through
12638 namebuf and make it NUL separated, not comma separated.
12639 (_cpp_compare_defs): Remove register tag from variables.
12640 Expect defn->argnames to be NUL separated.
12641 (_cpp_dump_definition): Expect defn->argnames to be NUL
12642 separated and in forward order.
12643 * cpphash.h: Update documentation of argnames field.
12645 2000-03-08 Richard Henderson <rth@cygnus.com>
12647 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12648 to fail. Don't pre-expand the source operand.
12650 * i386.md (strlensi): Initialize eoschar and align before use.
12652 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12654 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12655 CONSTRUCTOR element.
12657 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12659 * mips.c (mips_expand_prologue): If the last
12660 named argument is the vararg marker "va_list", treat it as
12661 an unnamed argument.
12663 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12665 * dbxout.c (dbxout_parms): When correcting for promoted
12666 big-endian parameters, use the mode of the DECL_RTL rather
12667 than UNITS_PER_WORD.
12669 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12671 * c-common.h (make_fname_decl): Declare.
12672 * c-common.c (make_fname_decl): Define.
12673 (declare_hidden_char_array): Remove.
12674 (declare_function_name): Use make_fname_decl.
12675 * c-decl.c (c_make_fname_decl): New function.
12676 (init_decl_processing): Set make_fname_decl.
12678 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12680 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12682 2000-03-07 Philipp Thomas <pthomas@suse.de>
12684 * po/POTFILES.in: Remove cppalloc.c from file list.
12686 2000-03-07 Steve Chamberlain <sac@pobox.com>
12688 * pj.c (pj_expand_prologue): current_function->args_info is
12689 now current_function_args_info.
12691 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12692 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12693 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12695 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12697 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12698 output as hexadecimal rather than the default octal.
12700 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12702 * cpphash.c (special_symbol): Fix thinko in previous commit.
12704 2000-03-07 Neil Booth <NeilB@earthling.net>
12706 * cppexp.c (struct operation, left_shift, right_shift,
12707 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12708 "int"s to "unsigned int"s.
12709 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12711 * cpplib.h: Update for above.
12712 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12713 returned from allocations.
12715 * cppinit.c (opt_comp, parse_options): New functions.
12716 (handle_option): Use parse_option to parse a single command
12717 line option, that possibly takes an argument.
12718 (cpp_handle_options): Sort the array of command line options on
12719 first invocation (non-ASCII hosts only).
12720 (print_help): Update.
12722 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12724 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12725 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12727 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12729 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12731 * cpperror.c (cpp_print_containing_files,
12732 cpp_print_file_and_line, v_cpp_message): Rename to
12733 print_containing_files, print_file_and_line, and v_message.
12734 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12735 to _cpp_parse_expr, parse_escape, and lex.
12736 (parse_charconst): Remove broken multibyte support.
12737 * cppfiles.c (include_hash): Make static.
12738 (cpp_included): New function.
12739 (merge_include_chains, find_include_file, finclude,
12740 simplify_pathname): Rename to _cpp_merge_include_chains,
12741 _cpp_find_include_file, _cpp_read_include_file, and
12742 _cpp_simplify_pathname.
12743 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12744 cpp_install, create_definition, macroexpand, compare_defs,
12745 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12746 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12747 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12748 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12750 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12752 * cpphash.h: Update prototypes.
12753 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12755 2000-03-07 Andrew Haley <aph@cygnus.com>
12757 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12758 PTRDIFF_TYPE should be based solely on Pmode.
12759 (SIZE_TYPE): ditto.
12761 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12763 * rtl.h (rtunion_def): Constify member `rtstr'.
12764 (emit_line_note_after, emit_line_note, emit_line_note_force,
12765 emit_note, decode_asm_operands): Constify.
12767 * cse.c (canon_hash): Likewise.
12769 * dbxout.c (dbxout_block): Likewise.
12771 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12772 v_warning_for_asm): Likewise.
12774 * dwarfout.c (function_start_label): Likewise.
12776 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12777 emit_line_note_force): Likewise.
12779 * final.c (last_filename, asm_insn_count, final_scan_insn,
12780 output_source_line): Likewise.
12782 * function.h (struct emit_status): Likewise.
12784 * gcse.c (hash_expr_1): Likewise.
12786 * genattr.c (gen_attr, main): Likewise.
12788 * genattrtab.c (struct function_unit, current_alternative_string,
12789 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12790 attr_numeral, check_attr_test, check_attr_value,
12791 convert_set_attr_alternative, convert_set_attr,
12792 compute_alternative_mask, simplify_by_exploding, gen_attr,
12793 gen_unit): Likewise.
12795 * genflags.c (gen_insn): Likewise.
12797 * gengenrtl.c (type_from_format): Likewise.
12799 * genopinit.c (gen_insn): Likewise.
12801 * genoutput.c (n_occurrences, process_template, process_template):
12804 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12807 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12810 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12811 ggc_set_mark, ggc_get_size): Likewise.
12813 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12815 * optabs.c (init_one_libfunc): Likewise.
12817 * output.h (assemble_start_function): Likewise.
12819 * recog.c (decode_asm_operands): Likewise.
12821 * toplev.c (rest_of_compilation): Likewise.
12823 * tree.h (emit_line_note_after, emit_line_note,
12824 emit_line_note_force): Likewise.
12826 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12827 asm_emit_uninitialised, assemble_start_function,
12828 assemble_variable, const_hash, compare_constant_1,
12829 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12831 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12833 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12835 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12837 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12839 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12840 arm_dllimport_name_p): Likewise.
12842 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12845 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12847 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12849 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12850 arm_mark_dllexport, arm_mark_dllimport,
12851 arm_pe_encode_section_info): Likewise.
12853 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12854 ASM_FINISH_DECLARE_OBJECT): Likewise.
12856 * arm/thumb.c (thumb_function_prologue): Likewise.
12858 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12860 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12862 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12864 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12866 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12868 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12870 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12871 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12873 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12875 * i386/i386.c (asm_output_function_prefix): Likewise.
12877 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12879 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12881 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12883 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12884 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12885 ASM_OUTPUT_SECTION_NAME): Likewise.
12887 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12889 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12891 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12893 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12895 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12897 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12899 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12901 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12903 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12905 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
12907 * mips/mips.md (movdi, movsi): Likewise.
12909 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12911 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12913 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12915 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
12916 ASM_OUTPUT_ASCII): Likewise.
12918 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
12919 output_mi_thunk, output_toc): Likewise.
12921 * rs6000/rs6000.md (movsi): Likewise.
12923 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
12925 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
12927 * v850/v850.c (print_operand, print_operand_address,
12928 v850_encode_data_area): Likewise.
12930 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
12932 * config/mips/mips.md (zero_extendsidi2): Always force operand
12933 one to memory for mips16.
12935 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12937 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
12938 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
12939 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
12940 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
12941 (min_precision): Result is unsigned.
12942 (add_double, neg_double, mul_double): Low word is unsigned.
12943 (lshift_double, rshift_double, lrotate_double): Likewise.
12944 (rrotate_double, div_and_round_double): Likewise.
12945 (tree_floor_log2, compare_tree_int): New functions.
12946 (preserve_rtl_expr_temps): New declaration.
12947 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
12948 (decl_attributes): Use tree_log2 to find alignment.
12949 Check for TREE_INT_CST_HIGH for format args.
12950 (min_precision): Now unsigned.
12951 Use tree_floor_log2.
12952 (truthvalue_conversion): Delete long-disabled code.
12953 * c-decl.c (finish_struct): Clean up tests on field width.
12954 (finish_function): Use compare_tree_int.
12955 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
12956 * c-typeck.c (comptypes): Use tree_int_cst_equal.
12957 (default_conversion, digest_init): Use compare_tree_int.
12958 (build_binary_op): Use integer_all_onesp and compare_tree_int.
12959 Fix type errors in forming masks.
12960 * calls.c (initialize_argument_information): Use compare_tree_int.
12961 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12962 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
12963 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
12964 (store_field): Use compare_tree_int.
12965 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
12966 (expand_expr, case ARRAY_REF): Use compare_tree_int.
12967 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
12968 (do_store_flag): Use compare_tree_int.
12969 * fold-const.c (encode, decode): Low part is always unsigned.
12970 (force_fit_type, add_double, neg_double, mul_double): Likewise.
12971 (lshift_double, rshift_double, lrotate_double): Likewise.
12972 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
12973 (fold_convert): Use compare_tree_int.
12974 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
12975 (invert_truthvalue, case INTEGER_CST): Likewise.
12976 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
12977 * mkdeps.c (deps_dummy_targets): Make I unsigned.
12978 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
12979 (lshift_double, rshift_double, lrotate_double, rrotate_double):
12981 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
12982 (expand_end_case): Use compare_tree_int.
12983 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12984 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
12985 (layout_decl): Likewise.
12986 (layout_record, layout_union): Make sizes unsigned.
12987 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
12988 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
12989 * tree.c (struct type_hash): hashcode is unsigned.
12990 (build_type_attribute_variant, type_hash_list): Likewise.
12991 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
12992 (attribute_hash_list, build_array_type, build_method_type): Likewise.
12993 (build_complex_type): Likewise.
12994 (real_value_from_int_cst): Remove unneeded casts.
12995 (integer_all_onesp): Add casts.
12996 (tree_floor_log2, compare_tree_int): New functions.
12997 (build_index_type): Use tree_int_cst_sgn.
12998 * varasm.c (assemble_variable): Use compare_tree_int.
13000 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13002 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13004 * varasm.c (make_decl_rtl): Don't add a number to members of
13006 (make_function_rtl): Likewise.
13008 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13010 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13011 patch from 2000-01-28.
13013 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13015 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13016 filled with an insn from the jump target.
13018 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13020 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13021 (c4x_external_ref): Likewise.
13022 * config/c4x/c4x.c (struct name_list): Likewise.
13024 1999-12-16 Ben Collins <bcollins@debian.org>
13026 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13027 argument to genmultilib.
13028 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13029 the contents into the multilib.h header.
13030 * gcc.c: Declare multilib_exclusions for the specs file.
13031 (set_multilib_dir): Use it.
13032 (print_multilib_info): Likewise.
13033 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13034 to pass to genmultilib.
13036 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13038 * builtins.c (built_in_class_names, built_in_names): Constify a
13041 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13043 (_mcleanup): Ensure value matches format specifier in sprintf.
13045 * cpphash.c (special_symbol): Don't needlessly cast away
13048 * cppinit.c (base_name): Delete unused prototype.
13050 * mkdeps.c (deps_init): Make definition K&R safe.
13052 * tree.h (built_in_class_names, built_in_names): Constify a
13055 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13057 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13058 floating point instructions for epilogue delay.
13060 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13061 to gas if it supports .register pseudo.
13063 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13064 LONG_DOUBLE_TYPE_SIZE if not defined.
13065 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13066 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13067 * real.c: Likewise.
13068 * gengenrtl.c: Likewise.
13069 * print-rtl.c: Likewise.
13071 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13072 MASK_LONG_DOUBLE_128.
13073 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13074 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13075 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13076 (SUBTARGET_SWITCHES): Define.
13077 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13078 with -mlong-double-128.
13079 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13080 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13081 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13082 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13083 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13084 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13085 with -mlong-double-128.
13086 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13087 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13088 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13089 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13090 TARGET_LONG_DOUBLE_128): Define.
13091 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13092 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13093 long double on TARGET_ARCH64.
13095 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13097 * function.c (free_temps_for_rtl_expr): Don't free slots
13098 that have been pushed into a higher level.
13101 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13103 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13105 * basic-block.h (ALLOCA_REG_SET): Remove.
13106 (INITIALIZE_REG_SET): New macro.
13107 * flow.c (update_life_info): Use it.
13108 (calculate_global_regs_live): Likewise.
13109 (propagate_block): Likewise.
13110 * global.c (build_insn_chain): Likewise.
13111 * haifa-sched.c (schedule_region): Likewise.
13113 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13115 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13116 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13117 (DWARF_ARANGES_PAD_SIZE): New define.
13118 (output_aranges): Use it to pad the address range header.
13119 (DWARF_ROUND): Fix for non power of 2 rounding.
13121 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13123 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13125 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13127 * tree.def (RTL_EXPR): Update documentation.
13128 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13129 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13130 * function.c (preserve_rtl_expr_temp): New function.
13131 (preserve_rtl_expr_temps): Likewise.
13132 (preserve_rtl_expr_result): Use it.
13135 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13137 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13139 * regmove.c (copy_src_to_dest) Do not create src->dest move
13140 for unchanging destination.
13142 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13144 * function.h (struct sequence_stack): Remove rtl_expr.
13145 (struct emit_staus): Likewise.
13146 (seq_rtl_expr): Remove.
13147 * tree.h (free_temps_for_rtl_expr): Don't declare.
13148 (start_sequence_for_rtl_expr): Likewise.
13149 * rtl.h (preserve_rtl_expr_result): Likewise.
13150 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13151 (start_sequence_for_rtl_expr): Remove.
13152 (push_topmost_sequence): Don't save sequence_rtl_expr.
13153 (pop_topmost_sequence): Remove comment about not restoring it.
13154 (end_sequence): Don't set seq_rtl_expr.
13155 (init_emit): Don't initialize it.
13156 (mark_sequence_stack): Don't mark it.
13157 (mark_emit_status): Likewise.
13158 * except.c (protect_with_terminate): Use
13159 start_sequence_for_rtl_expr, not start_sequence.
13160 * expr.c (expand_expr, case RTL_EXPR): Don't call
13161 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13162 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13163 (preserve_rtl_expr_result): Remove.
13164 (free_temps_for_rtl_expr): Likewise.
13165 (pop_temp_slots): Likewise.
13166 (mark_temp_slot): Don't mark the rtl_expr.
13167 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13168 start_sequence_for_rtl_expr.
13170 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13172 * mkdeps.c, mkdeps.h: New files.
13173 * po/POTFILES.in: Add them.
13174 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13175 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13176 (mkdeps.o): New target.
13178 * cppfiles.c: Delete deps_output.
13179 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13180 OBJECT_SUFFIX, and base_name.
13181 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13183 (initialize_dependency_output): Use deps_init,
13184 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13185 all the unnecessary string bashing.
13186 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13188 * cpplib.c (do_include): Use deps_add_dep.
13189 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13190 deps_allocated_size, deps_size, deps_column members with
13191 single pointer to a struct deps. Delete prototype of
13194 * cppinit.c: Fix thinko in previous patch.
13196 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13198 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13199 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13200 (mode_for_size_tree): New function.
13201 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13202 * tree.h (mode_for_size_tree): New declaration.
13204 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13206 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13208 * stmt.c (is_body_block): Move...
13209 * dwarfout.c, dwarf2out.c: ...from here.
13210 * tree.h: Declare it.
13211 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13212 * final.c (final_start_function): Do call remove_unnecessary_notes
13215 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13217 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13219 * cpplib.h (_dollar_ok): New macro.
13220 (is_idchar, is_idstart): Use it.
13221 (IStable): Rename to _cpp_IStable. Declare it const if
13222 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13223 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13224 is_space): Update for renamed IStable.
13226 * cppinit.c: Delete all references to FAKE_CONST and CAT
13227 macros. Define init_IStable as empty macro if gcc >=2.7 or
13228 C99. Change TABLE() to ISTABLE and hardcode name of table.
13229 (cpp_start_read): Don't change the IStable based on
13232 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13233 changed. Handle '$' for char1 correctly.
13234 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13236 * cppexp.c (tokentab2): Make const.
13237 (cpp_lex): Make toktab const.
13238 * cppinit.c (include_defaults_array): Make const.
13239 (initialize_standard_includes): Make default_include const.
13241 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13243 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13244 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13245 (gen_decl_die): Likewise.
13246 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13247 (output_decl): Likewise.
13249 * varasm.c (make_function_rtl): If we change the name used in the
13250 rtl, update DECL_ASSEMBLER_NAME accordingly.
13251 (make_decl_rtl): Likewise.
13253 * toplev.c (rest_of_compilation): Tweak formatting.
13255 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13256 remove_unnecessary_notes.
13257 (debug_ignore_block): New fn.
13258 * toplev.h: Declare it.
13259 * emit-rtl.c (remove_unncessary_notes): Call it.
13260 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13261 * dwarf2out.h: Declare it.
13262 * final.c (final_start_function): Don't call remove_unnecessary_notes
13263 if we did insn scheduling.
13265 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13267 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13268 * cpplib.h: Delete SET_CPP_PEDANTIC.
13270 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13272 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13273 result is a RECORD_TYPE.
13275 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13277 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13279 2000-03-03 Richard Henderson <rth@cygnus.com>
13281 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13282 addition over compliments over shifts.
13284 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13286 * reload1.c (reload_combine_note_use): Handle return register USEs.
13287 REG case: Handle multi-hard-register hard regs.
13289 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13291 * md.texi: Document use of '*' in insn pattern name.
13293 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13295 * calls.c (special_function_p): operator new may not be malloc-like.
13297 * gcse.c (dump_hash_table): Really fix error in last change.
13299 2000-03-02 Denis Chertykov <denisc@overta.ru>
13301 * avr.c (print_operand): Use print_operand_address instead of
13303 * avr/libgcc.S: Cleanup code.
13305 2000-03-02 Richard Henderson <rth@cygnus.com>
13307 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13309 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13311 * tree.h (TYPE_ALIGN_UNIT): New macro.
13313 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13315 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13317 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13319 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13321 (SET_CPP_PEDANTIC): New macro.
13322 * cpplib.c (do_include): Don't bother checking system_header_p.
13323 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13324 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13326 * function.h (struct expr_status): Add x_arg_space_so_far.
13327 (arg_space_so_far): New macro.
13328 * expr.c (init_expr): Initialize it.
13329 * calls.c (emit_call_1): Reset it.
13330 (compute_argument_block_size, expand_call): Use it.
13331 (expand_call, store_one_arg): Increment it.
13333 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13335 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13338 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13340 * cppfiles.c (cpp_read_file): New function.
13342 * cpphash.c (collect_expansion): Make sure to reset last_token
13343 to NORM when we hit a string. Handle trailing whitespace
13344 properly when the expansion is empty.
13345 (create_definition): Disable line commands while parsing the
13347 (dump_definition): If pfile->lineno == 0, output a line
13348 command ahead of the dump, and add a trailing newline.
13350 * cppinit.c (append_include_chain): Add fifth argument, which
13351 indicates whether or not system headers are C++ aware.
13352 (initialize_standard_includes): New function,
13353 broken out of read_and_prescan. Pass 'cxx_aware' value from
13354 the include_defaults_array on to append_include_chain.
13355 (dump_special_to_buffer): Const-ify char array.
13356 (builtin_array): Don't dump __BASE_FILE__.
13357 (cpp_start_read): Use cpp_read_file. Reorder code for
13358 clarity. Don't output line commands here for -D/-A/-U
13359 switches. Don't call deps_output for files included with
13360 -include or -imacros.
13362 * cpplib.c (do_define): Don't pay any attention to the second
13364 (cpp_expand_to_buffer): Disable line commands while scanning.
13365 (output_line_command): Work in the file buffer.
13366 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13367 Fix formatting of comments. Prototype cpp_read_file.
13369 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13371 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13372 reference the language-equivalent of sizetype.
13373 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13374 * fold-const.c (size_binop, size_diffop): Put back checks.
13375 * gcse.c (dump_hash_table): Fix minor error in last change.
13376 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13377 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13380 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13382 * calls.c (expand_call) Do not attempt to combine stack adjustments
13383 with inhibit_defer_pop set.
13385 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13387 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13388 the DECL_SIZE for a FIELD_DECL.
13390 2000-03-01 Bruce Korb <bkorb@gnu.org>
13392 * fixinc/inclhack.tpl: remove unused symlinks
13393 * fixinc/README: GCC Maintainer info
13394 * fixinc/inclhack.sh: regen
13395 * fixinc/fixincl.sh: regen
13397 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13399 * cpphash.c (collect_expansion): Trim trailing white space
13400 from macro definitions, but don't go past the last insertion
13403 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13405 * i386.md (mulqi3): New pattern.
13407 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13409 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13411 (struct cpp_reader): Add parsing_if_directive and
13412 parsing_define_directive flags.
13413 (struct cpp_options): Remove output_conditionals flag.
13414 (check_macro_name): Delete prototype.
13416 * cpphash.h (struct macrodef): Delete.
13417 (struct reflist): Separate from struct definition.
13418 (struct definition): Remove unused fields. Add column number.
13419 (create_definition): Returns a DEFINITION *. Takes a
13420 cpp_reader * and an int.
13422 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13423 (PEEKC): Copy defn from cpplib.c.
13424 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13426 (struct arglist): Simplify.
13427 (collect_expansion): Rewrite. Get tokens by calling
13428 cpp_get_token. Add more error checking.
13429 (collect_formal_parameters): New function, broken out of
13430 create_definition and reworked to use get_directive_token.
13431 (create_definition): All real work is now in collect_expansion
13432 and collect_formal_parameters. do_define handles finding the
13433 macro name. Return a DEFINITION, not a MACRODEF.
13434 (macroexpand): Replace bcopy with memcpy throughout. Replace
13435 character-at-a-time copy loop with memcpy and pointer increments.
13436 (compare-defs): d1->argnames / d2->argnames might be null.
13438 * cpplib.c (copy_rest_of_line): Delete function.
13439 (skip_rest_of_line): Do all the work ourselves.
13440 (skip_string): New function.
13441 (parse_string): Use skip_string.
13442 (get_macro_name): New function.
13443 (check_macro_name): Delete.
13444 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13445 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13446 (handle_directive): ICE if we're called on a macro buffer.
13447 (do_define): Determine macro name and type (funlike/objlike)
13448 here. Expunge all uses of MACRODEF.
13449 (cpp_push_buffer): Set line_base to NULL.
13450 (do_undef, read_line_number): Don't worry about getting a POP token.
13451 (eval_if_expression): Set/reset parsing_if_directive around
13452 cpp_parse_expr. Don't clear only_seen_white.
13453 (skip_if_group): Remove output_conditionals logic. Use
13455 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13456 tokens under appropriate conditions.
13457 (cpp_unassert): Call do_unassert not do_assert. Oops.
13459 * cppexp.c (parse_defined): New function, break out of
13461 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13462 ourselves, with cpp_defined.
13463 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13465 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13466 * gcc.dg/strpaste-2.c: New.
13468 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13470 * fold-const.c (size_binop): Don't asert inputs are the same and
13471 have TYPE_IS_SIZETYPE set.
13472 (size_diffop): Likewise.
13474 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13476 * dwarfout.c (output_block): Output abstract blocks even if they
13477 don't have TREE_ASM_WRITTEN set.
13479 * calls.c (emit_library_call): Check for null REG.
13481 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13483 * c-decl.c (current_function_decl): Move to toplev.c.
13484 (init_decl_processing): Don't add current_function_decl as a ggc
13486 * dbxout.c (dbxout_symbol): Change return type to int.
13487 (dbxout_symbol_location, dbxout_syms): Likewise.
13488 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13489 any locals. Use current_function_func_begin_label if set.
13490 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13491 * dwarf2out.c (dwarf2out_begin_prologue): Set
13492 current_function_func_begin_label.
13493 * final.c (final_start_function): Reset it.
13494 * toplev.c (current_function_decl): Define it here.
13495 (current_function_func_begin_label): New variable.
13496 (main): Add both as ggc roots.
13497 * tree.h (current_function_func_begin_label): Declare.
13499 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13501 * gcse.c: Cleanups throughout: mostly white-space, but also
13502 some minor rearrangement of code.
13504 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13506 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13507 returns a PARALLEL. Use emit_group_load and use_group_regs
13509 (emit_library_call_value): Similarly.
13511 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13512 * pa/quadlib.asm: Remove.
13513 * pa/quadlib.c: New file.
13515 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13516 * configure: Rebuilt.
13518 2000-02-29 Philip Blundell <pb@futuretv.com>
13520 * config/arm/conix-elf.h: New file.
13521 * configure.in (arm*-*-conix*): New configuration.
13522 * configure: Regenerate.
13524 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13526 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13527 don't have TREE_ASM_WRITTEN set.
13529 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13531 * Eliminate DECL_FIELD_SIZE.
13532 * builtins.c (built_in_class_names, built_in_names): New variables.
13533 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13534 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13535 DECL_SIZE, not DECL_FIELD_SIZE.
13536 * print-tree.c (print_node): Remove code that prints extra blank
13537 lines in some cases.
13538 Properly handle inline and builtin function cases.
13539 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13540 * tree.h (built_in_class_named, built_in_names): New declarations.
13541 (union tree_decl): Rename internal unions to u1 and u2 and change
13542 some of their components.
13543 Add new field built_in_class.
13544 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13545 Reflect above changes.
13546 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13547 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13548 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13549 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13551 2000-02-28 Dmitri Makarov <dim@windriver.com>
13553 * extend.texi: Document ARM's support for long/short calls.
13555 * invoke.texi: Document ARM's -mlong-calls command line switch.
13557 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13558 (arm_encode_call_attribute): Add prototype.
13559 (arm_set_default_type_attribute): Add prototype.
13560 (arm_strip_name_encoding): Add prototype.
13562 * config/arm/arm.c (arm_init_cumulative_args): replace
13563 initialisation og 'long_calls' field with initialisation of
13564 'call_cookie' field.
13565 (enum arm_pragma_enum): New enum.
13566 (arm_pragma_long_calls): New static variable.
13567 (arm_process_pragma): Also process "#pragma long_calls_off".
13568 (arm_valid_type_attribute_p): Accept short_call attribute.
13569 (arm_comp_type_attributes): Check long/short call attributes.
13570 (arm_encode_call_attribute): New function: Encode long_call
13571 or short_call attribute in function name.
13572 (arm_set_default_type_attributes): New function: Assign
13573 default attributes to newly defined type.
13574 (current_file_function_operand): New function: Return true if
13575 the symbol is a function which has already been compiled.
13576 (arm_is_longcall_p): New function: Return true if the
13577 indicated function should be called via a long call.
13578 (arm_get_strip_length): New function. Returns number of
13579 prefix characters to be stripped from a function's name.
13580 (arm_strip_name_encoding): New function. Strip prefix characters
13581 from a function's name.
13583 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13584 with 'call_cookie'.
13585 (SHORT_CALL_FAG_CHAR): Define.
13586 (LONG_CALL_FAG_CHAR): Define.
13587 (ENCODED_SHORT_CALL_ATTR_P): Define.
13588 (ENCODED_LONG_CALL_ATTR_P): Define.
13589 (ARM_NAME_ENCODING_LENGTHS): Define.
13590 (STRIP_NAME_ENCODING): Define.
13591 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13592 (ARM_ENCODE_CALL_TYPE): Define.
13593 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13594 (ARM_DECLARE_FUNCTION_SIZE): Define.
13595 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13597 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13598 if a long call is needed.
13599 (call_value): Ditto.
13600 (call_symbol): Ditto.
13602 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13603 ARM_DECLARE_FUNCTION_SIZE.
13605 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13606 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13607 (ARM_STRIP_NAME_ENCODING): Undefine.
13608 (STRIP_NAME_ENCODING): Undefine.
13609 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13610 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13611 (ASM_OUTPUT_COMMON): Ditto.
13612 (ASM_DECLARE_OBJECT_NAME): Ditto.
13614 * config/arm/pe.c (arm_dllexport_name_p): Check for
13616 (arm_dllimport_name_p): Ditto.
13617 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13618 (arm_mark_dllimport): Ditto.
13620 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13622 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13624 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13626 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13628 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13630 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13631 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13632 NO_BUILTIN_WCHAR_TYPE is not defined.
13633 (CPP_WCHAR_TYPE): Delete.
13634 * cccp.c (main): Don't change wchar_type if cplusplus.
13635 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13637 2000-02-28 Nick Clifton <nickc@cygnus.com>
13639 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13641 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13643 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13644 (ASM_WEAKEN_LABEL): Define.
13646 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13648 * expr.c (store_constructor): Do not emit USE.
13649 * rtl.h (stupid_life_analysis): Remove.
13651 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13653 * function.c (number_blocks): Reset next_block_index based on
13654 what debugging format is used, not what is defined.
13656 * lcm.c: Minor reformatting throughout.
13657 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13659 * toplev.c (rest_of_compilation): Account for time in
13660 optimize_mode_switching.
13662 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13663 if only marking labels.
13665 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13667 * calls.c (expand_call): Attempt to combine stack adjustments with
13668 pending stack adjustments.
13670 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13672 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13673 to the end of the function.
13675 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13677 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13679 * final.c (next_block_index): Remove.
13680 (max_block_depth): Likewise.
13681 (pending_blocks): Likewise.
13682 (init_final): Don't initialize them.
13683 (final_start_function): Don't set next_block_index. Set up
13685 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13686 * function.h (number_blocks): New function.
13687 * function.c (get_block_vector): New function.
13688 (identify_blocks): Use it.
13689 (reorder_blocks): Set NOTE_BLOCK.
13690 (number_blocks): New function.
13691 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13692 * tree.h (BLOCK_NUMBER): New macro.
13693 (tree_block): Add block_num field.
13694 * dbxout.c (next_block_number): Remove.
13695 (dbxout_init): Don't set it.
13696 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13697 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13699 * toplev.c (rest_of_compilation): Always call
13700 find_loop_tree_blocks. Fix indentation.
13701 * dwarf2out.c (next_block_number): Remove.
13702 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13703 to determine block numbers.
13704 (gen_inlined_subroutine_die): Likewise.
13705 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13706 (decls_for_scope): Don't increment next_block_number.
13707 * dwarfout.c (next_block_number): Remove.
13708 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13709 to determine block numbers.
13710 (output_inlined_subroutine_die): Likewise.
13711 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13712 (output_decls_for_scope): Don't increment next_block_number.
13713 * sdbout.c (next_block_number): Remove.
13714 (sdbout_block): Use BLOCK_NUMBER.
13715 (sdbout_begin_block): Simplify.
13716 * xcoffout.c (next_block_number): Remove.
13717 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13718 (xcoffout_begin_block): Don't set next_block_number.
13719 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13722 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13724 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13725 (expand_builtin_strcpy): Pass correct type to size_binop.
13726 (expand_builtin_strcmp): Likewise.
13727 Clean up conditional structure.
13728 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13729 (complete_array_type): Don't use size_binop for MAXINDEX.
13730 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13731 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13732 (c_alignof): Use size_one_node.
13733 (build_unary_op): Pass arg of proper type to size_binop.
13734 (really_start_incremental_init, push_init_level): Use sizetype for
13735 constructor{,_bit,_unfilled}_index.
13736 (pop_init_label, output_init_element): Likewise.
13737 (output_pending_init_elements, process_init_element): Likewise.
13738 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13739 * expr.c (store_expr): Use size_int.
13740 (store_constructor): Use proper types for size_binop args.
13741 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13742 (expand_expr_unaligned): Likewise.
13743 (string_contant): Return object of sizetype.
13744 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13745 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13746 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13747 * fold-const.c (int_const_binop): Refine when size_int is called.
13748 (fold_convert): Likewise.
13749 (size_int_wide): Rework to take KIND as arg, only take low order
13750 bits, handle new sizetype_tab datatype, and chain entries in
13752 (size_int_type_wide): New function.
13753 (size_binop): Validate types of arguments.
13754 (ssize_binop): Deleted.
13755 (size_diffop): New function.
13756 (extract_muldiv): Only fold division into multiplication for sizetypes.
13757 * function.c (assign_parms): Use size_diffop and make sure
13758 VAR field is of ssizetype; also pass proper type to size_binop.
13759 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13760 (round_down): Deleted from here.
13761 * store-layout.c (sizetype_tab): Now an array.
13762 (sizetype_set, early_root_list): New variables.
13763 (variable_size): Use size_one_node.
13764 (round_up): Pass proper type to size_binop.
13765 (round_down): Moved to here and corrected as above.
13766 (layout_record): Pass proper arg types to size_binop.
13767 (layout_type): Likewise.
13768 If sizetype_set is zero, record the type just laid out.
13769 (make_unsigned_type): Don't call set_sizetype;
13770 (make_signed_type): Likewise; also, call fixup_signed_type.
13771 (initialize_sizetypes): New function.
13772 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13773 set name of bitsizetype to "bit_size_type".
13774 Fix up type of sizes of all types made before call.
13775 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13776 * tree.c (fix_sizetype): Deleted.
13777 (build_common_tree_nodes): Call initialize_sizetypes.
13778 (build_common_tree_nodes_2): Don't call fix_sizetype.
13779 * tree.h (TYPE_IS_SIZETYPE): New macro.
13780 (initialize_sizetype): New declaration.
13781 (enum size_type_kind): New type.
13782 (struct sizetype_tab): Deleted.
13783 (sizetype_tab): Now array; adjust sizetype macros.
13784 (size_diffop, size_int_type_wide): New functions.
13785 (size_int_wide): Change number of args and type; access macros changed.
13786 (ssize_int, sbitsize_int): New macros.
13787 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13788 (ROUND_TYPE_SIZE_UNIT): New macro.
13790 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13792 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13794 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13796 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13797 Mark as possibly unused.
13799 * cse.c (cse_insn): Delete dead code involving tablejump.
13800 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13802 * Makefile.in (libcpp.a): Start by deleting it.
13804 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13806 * cpplib.h (enum file_change_code): Added rename_file.
13807 * cpplib.c (do_line): If a filename is given, set file_change to
13809 (output_line_command): If file_change is rename_file, always
13810 output a # directive with the file name.
13812 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13814 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13816 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13817 when copying a PARM_DECL or RESULT_DECL.
13819 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13821 * fix-header.c (recognized_function): Also fix prototypes for
13822 functions taking "void".
13824 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13826 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13827 looking at reg_reloaded_contents.
13829 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13831 * Makefile.in (STMP_FIXINC): New toggle.
13832 (LIBGCC2_DEPS): Delete all references.
13833 (stmp-headers): Delete target. All references either deleted
13834 or changed to stmp-int-headers.
13835 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13836 (LIBCPP_OBJS): Take out cppalloc.o.
13837 (cppalloc.o): Delete target.
13838 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13839 (gen-protos, fix-header): Link with libiberty.a.
13840 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13843 * configure.in: Remove refs to strerror.
13844 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13845 * system.h: Take out strerror stanza.
13847 * cpperror.c (my_strerror): Delete function.
13848 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13849 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13850 * cppalloc.c: Delete file.
13851 * gen-protos.c: Don't provide xrealloc.
13853 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13854 xstrerror throughout.
13856 2000-02-26 Bruce Korb <bkorb@gnu.org>
13858 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13859 match for DOS headers, too.
13860 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13862 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13864 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13865 is right for most ELF targets.
13866 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13867 Let the default file use %U properly.
13868 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13871 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13874 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13876 * toplev.c (documented_lang_options): Correct spelling error.
13877 (decode_d_option, decode_f_option, main): Likewise.
13879 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13881 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13882 to tell assembler it is permitted to expand large constants.
13884 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13886 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13887 (aux_info_suffix): Use.
13888 (SAVE_SUFFIX): New macro.
13889 (save_suffix): Use.
13890 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13891 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13892 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13894 * invoke.texi (Running Protoize): Update documentation.
13896 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13898 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13900 2000-02-25 John Wehle (john@feith.com)
13902 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
13904 2000-02-25 Anthony Green <green@cygnus.com>
13906 * toplev.c (rest_of_compilation): Rebuild jump labels if
13907 combine_instructions has created a new direct jump.
13908 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
13910 (combine_instructions): Call try_combine with new argument.
13911 Return non-null value when new direct jump instruction is created.
13912 * rtl.h: combine_instructions returns an int.
13914 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
13916 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
13917 jump when changing a computed jump into a jump to a known
13920 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
13922 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
13923 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
13925 * i386.md (define_expand "clrstrsi"): Fix typo.
13927 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
13929 * rtl.texi: Fix typo.
13931 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13933 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
13934 UNITS_PER_WORD. Change caller initial_elimination_offset.
13935 (rounded_frame_size): Take into account that argument pushed has
13936 changed. Fix TARGET_ALIGN_DOUBLE problem.
13938 2000-02-25 Geoff Keating <geoffk@cygnus.com>
13940 * haifa-sched.c (schedule_block): Explain the real reason
13941 we delete REG_SAVE_NOTEs on the first insn of a block.
13942 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
13944 2000-02-24 Mark Mitchell <mark@codesourcery.com>
13946 * input.h (push_srcloc): New function.
13947 (pop_srcloc): Likewise.
13948 * toplev.c (push_srcloc): Define it.
13949 (pop_srcloc): Likewise.
13951 2000-02-24 Richard Henderson <rth@cygnus.com>
13953 * flow.c (life_analysis): When collecting reg info, clear
13956 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13958 Fix bug exposed by reload.c no longer rounding the frame
13959 size to BIGGEST_ALIGNMENT:
13960 * sh.c (rounded_frame_size): New function.
13961 (sh_expand_prologue, sh_expand_epilogue): Use it.
13962 (initial_elimination_offset): Likewise.
13964 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13966 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
13967 * sh-protos.h (sh_need_epilogue): Declare.
13968 * sh.c (sh_need_epilogue_known): New static variable.
13969 (sh_need_epilogue): New function.
13970 (function_epilogue): Clear need_epilogue_known.
13971 * sh.md (return): Split into expander / insn pattern.
13972 Make the expander conditional on ! sh_need_epilogue ().
13974 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
13976 * machmode.h (get_mode_alignment): Declare.
13977 (GET_MODE_ALIGNMENT): Call it.
13978 * stor-layout.c (get_mode_alignment): New function. Make
13979 sure alignment is always power of 2.
13981 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13983 * i386.h: Remove useless definition of "I386" and misleading
13986 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13988 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
13989 under which TREE_PERMANENT will be set.
13990 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
13991 build1): Use TREE_SET_PERMANENT.
13992 * print-tree.c (print_node): Don't report value of
13993 TREE_PERMANENT if ggc_p is true.
13995 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
13996 decide whether to give a type a new alias set.
13997 * objc/objc-act.c (build_objc_string_object): Never copy the string.
13998 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
13999 of value of 'obstack'.
14002 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14004 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14006 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14008 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14009 * cpplib.c (cpp_get_token): Produce them.
14010 * cppexp.c (cpp_lex): Handle them.
14012 2000-02-23 Nick Clifton <nickc@cygnus.com>
14014 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14015 comment tests on type attributes.
14017 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14019 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14020 conform to documentation.
14021 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14022 to check for special cases.
14023 * sh-protos.h (sh_loop_align): Declare.
14024 * sh.c (sh_loop_align): Define.
14026 2000-02-22 Andrew Haley <aph@cygnus.com>
14028 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14029 (SIZE_TYPE): Is 32 bits when using -mgp32.
14030 (PTRDIFF_TYPE): Ditto.
14032 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14034 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14036 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14038 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14039 BIGGEST_FIELD_ALIGNMENT a constant.
14041 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14043 * dwarf2out.c (output_line_info): Put the marker for the end of
14044 the line number info at the actual end.
14045 (gen_struct_or_union_type_die): Use decl_function_context
14046 to check for local classes.
14047 * dwarfout.c (output_type): Likewise.
14049 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14051 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14052 for arguments with a mode, but no type.
14053 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14054 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14055 * pa/long_double.h: New file.
14056 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14057 both have 128bit wide long doubles.
14058 * configure: Rebuilt.
14060 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14062 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14064 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14065 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14066 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14068 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14070 * integrate.c (compare_blocks, find_block): Likewise.
14072 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14074 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14076 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14077 expand_asm_operands): Likewise.
14079 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14081 * predict.c (estimate_probability): Added the pointer heuristic to
14082 the collection of static branch predictors.
14084 2000-02-21 Catherine Moore <clm@cygnus.com>
14086 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14087 * invoke.texi (-mfix7000): Document.
14089 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14091 * diagnostic.c (init_output_buffer): Make it possible to output at
14092 least 32 characters if we're given a too long prefix.
14094 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14096 * varasm.c (initializer_constant_valid_p): Call
14097 lang_expand_constant to simplify the constant.
14099 2000-02-20 Bruce Korb <bkorb@gnu.org>
14101 * fixinc/inclhack.def(stdio_va_list):
14102 typedef needs to be disabled.
14103 * fixinc/inclhack.sh: regen
14104 * fixinc/fixincl.x: regen
14106 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14108 * print-rtl.c (print_rtx): Don't print addresses when
14109 flag_dump_unnumbered.
14111 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14113 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14115 (sparc_va_arg, sparc_flat_output_function_prologue,
14116 sparc_flat_output_function_epilogue): Cast value to unsigned in
14118 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14120 * sparc.md: Add default case in switch.
14122 2000-02-19 Richard Henderson <rth@cygnus.com>
14124 * c-typeck.c (add_pending_init): Don't abort for multiple
14125 fields at the same offset.
14126 (pending_init_member): Test the correct member.
14128 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14130 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14132 (start_catch_handler) : Same.
14134 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14136 * Makefile.in: Have flow.o depend on $(EXPR_H)
14138 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14140 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14141 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14142 (finish_decl): Remove -Wlarger-than code from here.
14143 * flags.h (id_clash_len): Now int.
14144 (larger_than_size): Now HOST_WIDE_INT.
14145 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14146 Clean up checking to see if in table.
14147 (make_bit_field_ref): Remove extra parm to bitsize_int.
14148 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14149 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14150 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14151 and for computing size of decl.
14152 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14153 Move -Wlarger-than code to here.
14154 (layout_record): Remove extra arg to bitsize_int.
14155 Set TYPE_BINFO_SIZE_UNIT.
14156 (layout_union): Remove extra arg to bitsize_int.
14157 Use proper type for size of QUAL_UNION.
14158 (layout_type): Remove extra arg to bitsize_int.
14159 * toplev.c (id_clash_len): Now int.
14160 (larger_than_size): Now HOST_WIDE_INT.
14161 (decode_W_option): Clean up id-clash and larger-than- cases.
14162 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14163 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14164 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14165 (struct tree_decl): New field size_unit.
14166 (size_int_wide): No HIGH operand; NUMBER is now signed.
14167 (size_int_2): Deleted.
14168 (size_int, bitsize_int): Don't use it and rework args.
14169 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14171 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14173 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14175 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14177 * invoke.texi (Warning Options): Add an explanation of why
14178 you might want the -Wfloat-equal flag.
14180 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14182 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14183 * cppinit.c (new_pending_define): Add cast to avoid warning.
14184 * expmed.c (extract_bit_field): Likewise.
14185 * flow.c (enum reorder_skip_type): New type.
14186 (skip_insns_between_blcok): New it.
14187 Rework to avoid warning about possibly undefined variable.
14188 * function.c (assign_parms): Make thisparm_boundary unsigned.
14189 * genrecog.c (write_switch): Cast XWINT result to int.
14190 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14191 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14192 one for MIPS and one for Alpha.
14193 (get_tag, copy_object): Add casts to avoid warnings.
14194 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14195 * reload.c (find_reloads): Make TYPE enum reload_type.
14196 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14197 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14198 * varasm.c (compare_constant_1): Add cast to avoid warning.
14199 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14201 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14202 Cast switch operand of size to int.
14203 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14204 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14207 2000-02-18 Nick Clifton <nickc@cygnus.com>
14209 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14210 anything for an alignment of zero.
14212 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14213 anything for an alignment of zero.
14215 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14217 * gcc.texi (Bug Reporting): Refer to bugs.html.
14218 (Bug Lists): Likewise.
14219 * system.h (GCCBUGURL): New preprocessor define.
14220 * rtl.c (fancy_abort): Use it.
14221 * gcc.c (main): Likewise.
14223 2000-02-18 Richard Henderson <rth@cygnus.com>
14225 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14226 (life_analysis_1): Subsume into ...
14227 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14228 Use update_life_info for the relaxation.
14229 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14230 entry and regs_live_at_setjmp.
14231 (set_noop_p): Simplify.
14232 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14233 (record_volatile_insns): Split into ...
14234 (delete_noop_moves): ... here,
14235 (notice_stack_pointer_modification): ... here,
14236 (insn_dead_p): ... and here.
14237 (propagate_block): Don't query INSN_VOLATILE.
14238 (mark_used_regs): Mind !PROP_REG_INFO.
14239 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14240 not in life_analysis.
14242 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14244 * loop.c (canonicalize_condition): New function,
14245 broken out of get_condition.
14246 (get_condition): Use it.
14247 * expr.h (canonicalize_condition): Prototype it.
14249 * tree.h (tree_int_cst_msb): Declare.
14250 * tree.c (tree_int_cst_msb): New function.
14252 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14254 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14257 * invoke.texi (-fmessage-length=n): Document.
14259 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14261 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14263 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14265 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14266 after the prologue.
14268 2000-02-17 Nick Clifton <nickc@cygnus.com>
14270 * config/arm/thumb.c: Replace includes of system headers with
14271 #include "system.h".
14273 2000-02-16 Richard Henderson <rth@cygnus.com>
14275 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14276 Add crtbeginS.o and crtendS.o.
14277 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14278 (ENDFILE_SPEC): Use crtendS.o.
14279 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14281 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14282 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14283 shared and present.
14284 (__dso_handle): New variable.
14285 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14286 bias to __CTOR_END__.
14288 2000-02-16 Richard Henderson <rth@cygnus.com>
14290 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14292 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14294 * longlong.h (__clz_tab): Declare as static to match definition.
14296 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14298 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14299 (XREF_FILE_NAME): Define.
14301 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14302 (EH_FRAME_SECTION_ASM_OP): Define.
14303 (IDENT_ASM_OP): Define.
14304 (TEXT_SECTION_ASM_OP): Define.
14305 (CPP_SPEC): Define.
14306 (CTORS_SECTION_ASM_OP): Define.
14307 (CTOR_SECTION_FUNCTION): Use it.
14308 (DTORS_SECTION_ASM_OP): Define.
14309 (DTOR_SECTION_FUNCTION): Use it.
14311 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14313 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14316 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14317 debug_bb_n): New functions.
14318 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14319 * basic-block.h: Prototype new functions.
14321 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14323 * configure.in: Add support for avr target.
14324 * configure: Rebuilt.
14326 * invoke.texi: Add AVR invocation docs.
14327 * install.texi: Add information about AVR.
14328 * md.texi: Add AVR constraint letters description.
14329 * extend.texi: Add description for AVR specific attributes.
14331 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14333 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14335 2000-02-16 Nick Clifton <nickc@cygnus.com>
14337 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14338 (make_insn_raw): Move RTL check here.
14340 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14342 * version.c: Include gansidecl.h and version.h.
14344 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14346 * configure.in (gcc_version): When setting, narrow search to
14347 lines containing `version_string'.
14349 * Makefile.in (mainversion): Likewise.
14350 (GCC_H): New variable.
14351 (gcc.h): Delete target.
14352 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14353 (version.o): Depend on version.h.
14354 (dbxout.o): Don't depend on gcc.h.
14356 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14357 Michael Meissner <meissner@cygnus.com>
14359 * md.texi (Simple Constraints): Add item about whitespace.
14360 * genoutput.c (strip_whitespace): New.
14361 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14362 strip_whitespace for constraints.
14363 Test pointer using NULL, not 0.
14365 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14367 * cpplib.c (do_line): Pedwarn for #line > 32767.
14369 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14371 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14373 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14374 to default cpp spec.
14375 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14376 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14379 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14382 2000-02-15 Denis Chertykov <denisc@overta.ru>
14384 * configure.in: Add support for avr target.
14386 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14388 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14389 (sh_addr_diff_vec_mode): Don't declare.
14390 * sh.c (sh_addr_diff_vec_mode): Delete.
14392 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14394 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14396 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14398 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14399 (smulsi3_highpart_i): Name.
14400 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14401 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14402 (smulsi3_highpart, umulsi3_highpart): Likewise.
14404 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14405 correctly independent of endianness.
14406 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14407 confuse the optimizers.
14408 (mulsidi3+1, umulsidi3+1): New define_split.
14410 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14412 * config/sh/sh.md: Guard insn splits against illegal registers.
14413 * config/sh/sh.h: Correct comment about macros.
14415 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14416 Andrew MacLeod <amacleod@cygnus.com>
14418 * Makefile.in (lcm.o): Depend on insn-attr.h.
14419 * basic-block.h (optimize_mode_switching): Declare.
14420 * lcm.c (tm_p.h, insn-attr.h): #include.
14421 (seginfo, bb_info): New structs.
14422 (antic, transp, comp, delete, insert) : New file-scope static variables.
14423 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14424 (reg_becomes_live, optimize_mode_switching): Likewise.
14425 * tm.texi: Add description of mode switching macros.
14426 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14428 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14429 (fldi_ok, fpscr_set_from_mem): New prototypes.
14430 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14431 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14432 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14433 (sh_flag_remove_dead_before_cse): Remove declaration.
14434 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14435 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14436 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14437 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14438 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14439 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14440 (fldi_ok): New function.
14441 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14442 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14443 (emit_df_insn): Likewise.
14444 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14445 (sh_flag_remove_dead_before_cse): Delete.
14446 (get_free_reg, fpscr_set_from_mem): New functions.
14447 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14448 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14450 2000-02-15 Loren Rittle <ljrittle@acm.org>
14452 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14454 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14456 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14457 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14459 * cccp.c: Include version.h and/or don't declare `version_string'.
14460 * collect2.c: Likewise.
14461 * alpha.c: Likewise.
14462 * arm/aof.h: Likewise.
14463 * arm/coff.h: Likewise.
14464 * arm/elf.h: Likewise.
14465 * arm/pe.h: Likewise.
14466 * arm/tcoff.h: Likewise.
14467 * arm/telf.h: Likewise.
14468 * arm/tpe.h: Likewise.
14469 * arm/vxarm.h: Likewise.
14470 * convex/convex.c: Likewise.
14471 * i386/dgux.c: Likewise.
14472 * i386/sun386.h: Likewise.
14473 * m88k/m88k.c: Likewise.
14474 * mcore/mcore-pe.h: Likewise.
14475 * mips/mips.h: Likewise.
14476 * romp/romp.h: Likewise.
14477 * sh/sh.c: Likewise.
14478 * cpphash.c: Likewise.
14479 * cppinit.c: Likewise.
14480 * dwarf2out.c: Likewise.
14481 * dwarfout.c: Likewise.
14484 * mips-tfile.c: Likewise.
14485 * protoize.c: Likewise.
14486 * toplev.c: Likewise.
14487 * tree.h: Likewise.
14489 * version.c (version_string): Constify a char*.
14491 * version.h: New file.
14493 2000-02-14 Nick Clifton <nickc@cygnus.com>
14495 * configure.in: Add mcore-elf and mcore-pe targets.
14496 * configure: Regenerate.
14498 * NEWS: Add note that MCore port has been contributed.
14500 * invoke.texi: Document command line switches for MCore port.
14501 * install.texi: Add MCore to list of supported targets.
14503 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14505 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14506 then we will need to import the frame handling functions.
14507 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14508 to import the frames themselves.
14510 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14511 Jason Eckhardt <jle@cygnus.com>
14513 * basic_block.h: Added prototype for reorder_basic_blocks.
14514 * toplev.c: Changes to add -freorder-blocks and graph dump after
14515 block reordering is done.
14516 * flow.c (reorder_block_def): New structure for use during block
14518 (REORDER_BLOCK_*): New macros to access members of above structure.
14519 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14520 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14521 functions for block reordering.
14523 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14525 * gcc.texi (Passes): Fix typo.
14526 * md.texi (Standard Names): Ditto.
14527 * tm.texi (Storage Layout): Ditto.
14529 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14531 * cpplib.c (do_define): Only free the old definition if it
14534 2000-02-13 Neil Booth <NeilB@earthling.net>
14536 * cppfiles.c (read_and_prescan): When emitting deferred
14537 newlines, test speccase[] again instead of checking each
14538 possible whitespace character in turn. When we encounter \r,
14539 look behind for \n first, then ahead.
14541 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14543 * cse.c (cse_altered): New internal flag.
14544 (cse_insn): Set it if we changed an insn.
14545 (cse_main): Clear cse_altered before each basic block.
14546 Only garbage collect if cse_altered is true afterward.
14548 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14550 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14552 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14554 * combine.c (simplify_comparison): Fix typo.
14556 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14558 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14561 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14563 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14564 previously inserted node instead of root node. Caller changed.
14566 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14568 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14570 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14572 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14573 __dereg_frame_dtor): Add prototype argument.
14575 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14577 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14579 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14581 * gthr-vxworks.h (__gthread_once): Likewise.
14583 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14585 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14587 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14588 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14589 stack pointer in functions w/o saved registers, output LEAVE more often
14590 on TARGET_USE_LEAVE machines.
14592 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14594 * config/arm/arm.c (arm_init_cumulative_args); New function:
14595 Initlaise the CUMULATIE_ARGS strcuture for a function
14597 (arm_function_arg): New function: Determine where to place a
14598 function's argument. Also handles deciding the function's
14600 (current_file_function_operand): New function: Return true if
14601 the symbol is a function which has already been compiled.
14602 (arm_is_long_call_p): New function: Return true if the
14603 indicated function should be called via a long call.
14604 (arm_valid_type_attribute_p): New function: Return true if the
14605 attribute is a valid, arm specific, attribute.
14606 (arm_comp_type_attribute): New function: Return true if the
14607 two types have compatable, arm specific, attributes.
14609 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14611 (FUNCTION_ARG): Redefine to call arm_function_arg.
14612 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14614 (INIT_CUMULATIVE_ARGS): Redefine to call
14615 arm_init_cumulative_args.
14616 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14618 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14620 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14622 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14623 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14624 (COMP_TYPE_ATTRIBUTES): Define.
14626 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14627 if a long call is needed.
14628 (call_value): Call arm_is_long_call_p to decide if a long call
14630 (call_symbol): Call arm_is_long_call_p to decide if a long call
14633 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14635 2000-02-11 Denis Chertykov <denisc@overta.ru>
14637 * README.AVR: New file with information about the avr ports.
14638 * config/avr: New directory with avr port files.
14640 2000-02-11 Andreas Jaeger <aj@suse.de>
14642 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14644 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14646 * cpphash.c: Fix formatting, update commentary.
14647 (dump_definition): Take three separate arguments instead of a
14648 MACRODEF structure argument.
14649 * cpphash.h: Update prototype of dump_definition.
14650 * cppinit.c (cpp_finish): Update call of dump_definition.
14652 * cpplib.c (do_define): Always create new hash entry with
14653 T_MACRO type. Remove redundant check for redefinition of
14654 poisoned identifier. Update call of dump_definition.
14655 (do_undef): Don't call check_macro_name. Rename sym_length to
14657 (do_error, do_warning): Don't use copy_rest_of_line or
14659 (do_warning): Don't use pedwarn for the actual warning,
14660 only the notice about its not being in the standard. (Fixes
14661 bug with #warning in system headers.)
14662 (do_ident): Stricter argument checking - accept only a single
14663 string after #ident. Also, macro-expand the line.
14664 (do_xifdef): Use cpp_defined. De-obfuscate.
14666 (do_pragma): Split out specific pragma handling to separate
14667 functions. Use get_directive_token. Update commentary. Do
14668 not pass on #pragma once or #pragma poison to the front end.
14669 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14670 do_pragma_default): New.
14672 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14674 * jump.c (jump_optimize_1): The first operand in a relational
14675 can be a CONST_INT.
14676 * optabs.c (emit_conditional_move): Handle relationals which
14677 have a known true/false result.
14679 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14681 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14682 a RETURN insn into a block which already ends with a jump.
14684 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14686 * haifa-sched.c (BUF_LEN): Increase a lot.
14688 2000-02-11 Nick Clifton <nickc@cygnus.com>
14690 * configure.in: Add tm_p_file specification for thumb targets.
14691 * configure: Regenerate.
14693 * config/arm/thumb-protos.h: New file: Prototypes for exported
14694 functions defined in thumb.c.
14696 2000-02-11 Robert Lipe <robertl@sco.com>
14698 * Makefile.in (bootstrap-lean): Remove additional files.
14699 (bootstrap2-lean): Likewise.
14700 (VOL_FILES): List of files for above.
14702 2000-02-11 Nathan Sidwell <nathan@acm.org>
14704 * cpphash.c (special_symbol): Remove spurious argument to
14707 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14709 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14711 * configure: Rebuilt.
14713 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14715 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14717 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14719 * pa.c, pa.h: Remove trigraph sequences within comments.
14721 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14723 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14725 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14727 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14729 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14731 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14733 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14735 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14736 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14737 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14738 (ASM_FILE_END): Use c4x_file_end.
14739 * config/c4x/c4x.c (c4x_global_label): New function.
14740 (c4x_external_ref, c4x_file_end): Likewise.
14742 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14743 (c4x_external_ref, c4x_end_file): Likewise.
14745 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14747 * cppexp.c: Don't include cpphash.h.
14748 (parse_charconst, cpp_lex): Use cpp_defined.
14749 (cpp_lex): Use get_directive_token throughout. Remove
14750 unnecessary cases from switch. Move assertion-handling code
14751 down to OTHER case.
14752 (cpp_parse_expr): If we see '+' or '-', check the context to
14753 determine if they are unary or binary operators. Streamline
14754 the jumps a bit. Do not call skip_rest_of_line.
14756 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14757 static. Export get_directive_token. Update commentary.
14758 (cpp_defined): New function.
14759 (do_define): Remove reference to T_PCSTRING. Call
14760 free_definition to release memory for old definition, when
14761 redefining a macro.
14762 (eval_if_expression): Set only_seen_white to 0 before calling
14763 cpp_parse_expr. Call skip_rest_of_line after it returns.
14764 (cpp_read_check_assertion): Don't preserve a pointer into the
14765 token buffer across a call to cpp_get_token.
14767 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14768 * cppfiles.c (redundant_include_p): Use cpp_defined.
14769 * cpphash.c (free_definition): New function.
14770 (delete_macro): Use it. Update commentary.
14771 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14773 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14774 from enum node_type. Prototype cpp_defined and get_directive_token.
14775 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14777 * fix-header.c (check_macro_names): Use cpp_defined.
14778 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14779 the options structure.
14781 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14783 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14785 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14787 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14788 rather than die->die_tag.
14790 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14792 * combine.c (make_extraction, force_to_mode): Avoid warning on
14793 mixed-signedness conditionals.
14794 (make_field_assignment, nonzero_bits): Likewise.
14795 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14796 (store_split_bit_field, extract_split_bit_field): Likewise.
14797 (extract_fixed_bit_field, store_bit_field,
14798 * expr.c: Change alignment to be unsigned everywhere.
14799 (move_by_pieces, store_constructor_field, store_constructor):
14800 Alignment parm is unsigned.
14801 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14802 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14803 (do_compare_rtx_and_jump): Likewise.
14804 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14805 Compare align with GET_MODE_ALIGNMENT.
14806 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14807 (get_inner_reference): Likewise.
14808 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14809 (expand_assignment): Local vars for alignment now unsigned.
14810 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14811 (do_compare_and_jump): Likewise.
14812 (store_field): Call new function expr_align.
14813 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14814 Alignment arg now unsigned.
14815 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14816 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14817 (extract_bit_field): Likewise.
14818 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14819 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14820 (get_best_mode): Alignment arg is unsigned.
14821 * rtl.h (move_by_pieces): Likewise.
14822 * store-layout.c (maximum_field_alignment, set_alignment):
14824 (layout_decl): Alignment arg is now unsigned.
14825 Remove unneeded casts.
14826 (layout_record, layout_union, layout_type): Remove unneeded casts.
14827 Local alignment variables now unsigned.
14828 (get_best_mode): Alignment arg now unsigned.
14829 * tree.c (expr_align): New function.
14830 * tree.h (expr_align): Likewise.
14831 (maximum_field_alignment, set_alignment): Now unsigned.
14832 (get_inner_reference): Alignment argument is now pointer to unsigned.
14833 * varasm.c (assemble_variable): Add cast to eliminate warning.
14835 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14837 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14838 then store directly into op0.
14840 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14841 the CALL_INSN, and emit the note immediately after it.
14843 2000-02-10 Nick Clifton <nickc@cygnus.com>
14845 * config/arm/thumb.md (epilogue): Include a (return) in the
14846 generated insn, and emit it using emit_jump_insn not
14849 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14851 * function.c (assign_temp): Change zero-sized arrays to size 1.
14852 * integrate.c (expand_inline_function): Do not update
14853 stack_alignment_needed
14854 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14855 add some sanity checking, remove optimization for function with
14858 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14860 * flow.c (mark_regs_live_at_end): Delete unused variables.
14862 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14864 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14865 in macro FRAME_GROWS_DOWNWARD.
14867 * stmt.c (expand_end_bindings): Delete unused variable.
14869 * unroll.c (iteration_info): Mark parameter `loop' with
14872 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14874 * fixinc/server.c (load_data): Return NULL if the marker line is
14876 (run_shell): If load_data returns NULL, retry the command once, in
14879 * configure: Rebuilt.
14881 2000-02-09 Bruce Korb <bkorb@gnu.org>
14883 * gcc/fixincludes: ** DELETED **
14884 * gcc/fixcpp: ** DELETED **
14885 * gcc/fixinc-nt.sed: ** DELETED **
14886 * gcc/just-fixinc: ** DELETED **
14887 * gcc/Makefile.in: Removed out-dated commentary
14888 * gcc/configure.in: Removed fast-fixincludes disablement.
14889 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14891 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14892 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14895 2000-02-09 Richard Henderson <rth@cygnus.com>
14897 * jump.c (delete_insn): Don't delete user labels at -O0.
14899 2000-02-09 Robert Lipe <robertl@sco.com>
14901 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
14902 Don't link with HOST_LIBS.
14904 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14906 * configure.in: Correct --help text for --with-dwarf2.
14907 Put tm-dwarf2.h after other tm files, if it's requested.
14908 * configure: Regenerate.
14909 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
14912 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14914 * cpplib.h: Provide HASHNODE typedef and forward decl of
14915 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
14916 DEFINITION, struct hashnode, struct macrodef, struct
14917 definition, scan_decls prototype, default defn of
14918 INCLUDE_LEN_FUDGE moved elsewhere.
14920 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
14921 definition, and struct hashnode moved here. Remove the unused
14922 'predefined' field from struct definition. Replace the 'args'
14923 union with its sole member. All users updated (cpphash.c).
14924 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
14925 multiple include guard.
14927 * cpphash.c (hashf): Make static; use better algorithm; drop
14928 HASHSIZE parameter; return an unsigned int.
14929 (cpp_lookup): Drop HASH parameter. PFILE parameter is
14930 used. Calculate HASHSIZE modulus here.
14931 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
14933 (create_definition): Drop PREDEFINITION parameter.
14934 * cpplib.c (do_define): Don't calculate a hash value here.
14935 Don't pass (keyword == NULL) to create_definition.
14937 * scan.h: Prototype scan_decls here.
14938 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
14939 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
14940 callers of cpp_lookup and cpp_install updated.
14942 * cpphash.c (macarg): Hoist all the flag diddling out of the
14944 (macroexpand): ... and out of the loop that calls macarg.
14945 Skip over the initial paren before macro arguments with
14946 cpp_get_non_space_token; point may be some distance before
14947 that paren. Abort if it's not there.
14949 * cpplib.c (parse_clear_mark): Delete function.
14950 (parse_set_mark, parse_goto_mark): Make static.
14951 (ACTIVE_MARK_P): New macro.
14952 (skip_block_comment, skip_line_comment): Do not bump the line
14953 if ACTIVE_MARK_P is true.
14954 (cpp_pop_buffer): The buffer to be popped may not have an
14956 (cpp_get_token): When looking for the initial paren before
14957 macro arguments, only set a mark in a file buffer, Always
14958 return to that mark before proceeding to call macroexpand or
14959 return a NAME token.
14961 * cpplib.h: Remove prototypes of parse_set_mark,
14962 parse_clear_mark, parse_goto_mark.
14963 (struct cpp_options): Rename 'put_out_comments' to
14964 'discard_comments' and invert its sense.
14965 * cppinit.c, cpphash.c, cpplib.c: All users of
14966 put_out_comments changed to use discard_comments, with
14969 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14971 * function.c (thread_prologue_and_epilogue_insns): Don't delete
14972 the edge from a block that both jumps and falls through to the
14975 2000-02-09 Scott Bambrough <scottb@netwinder.org>
14977 * config/arm/arm.md (movsi): In PIC mode, make sure that a
14978 constant source address is legitimate.
14980 2000-02-09 Philip Blundell <pb@futuretv.com>
14982 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
14985 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
14987 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
14989 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14991 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
14992 ends with a newline and a NUL. Don't be so clever manipulating
14995 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
14997 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
14998 not to BIGGEST_ALIGNMENT.
15000 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15002 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15003 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15004 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15005 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15006 * frame.c (execute_cfa_insn): Handle
15007 DW_CFA_GNU_negative_offset_extended.
15009 2000-02-08 Richard Henderson <rth@cygnus.com>
15011 * flow.c (tidy_fallthru_edges): Split out from ...
15012 (delete_unreachable_blocks): ... here.
15013 (find_basic_blocks): Use it.
15015 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15017 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15019 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15021 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15022 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15023 (fix-header.o): Don't depend on cpphash.h.
15025 * scan.c (hashstr): New function.
15026 * scan.h: Prototype it.
15027 * fix-header.c: Don't include cpphash.h. Use hashstr.
15028 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15029 hashstr. Report hash table statistics. Add private
15030 definition of xrealloc.
15032 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15034 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15036 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15038 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15039 jumps with returns unless they are jumps to the fallthru block.
15041 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15043 * i386.md (addqi3_cc): Fix contraints.
15045 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15047 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15049 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15051 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15052 carriage return after a macro name.
15054 2000-02-07 Fred Fish <fnf@be.com>
15056 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15057 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15059 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15061 * cppfiles.c (deps_output): Count spacers in deps_column.
15063 2000-02-07 Neil Booth <NeilB@earthling.net>
15065 * cppinit.c (initialize_dependency_output): If there is no
15066 suffix, don't try to look for known suffixes. Use strrchr.
15067 (cpp_start_read): Remove duplicate initialization.
15069 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15071 * calls.c (compute_argument_block_size): New argument
15072 preferred_stack_boundary.
15073 (expand_call): update cfun->preferred_stack_boundary, update call of
15074 compute_argument_block_size
15075 (emit_library_call): Increate cfun->preferred_stack_boundary
15076 to PREFERRED_STACK_BOUNDARY
15077 (emit_library_call_value): Likewise.
15078 * explow.c (allocate_dynamic_stack_spave): Likewise.
15079 * function.c (prepare_function_start): Set
15080 cfun->preferred_stack_boundary
15081 * function.h (struct function): Add preferred_stack_boundary field.
15082 * integrate.c (expand_inline_function): Update
15083 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15084 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15085 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15087 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15089 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15090 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15091 cpp_pedwarn, cpp_pedwarn_with_line,
15092 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15093 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15094 v_cpp_error_with_line, v_cpp_warning_with_line,
15095 cpp_message_from_errno, cpp_perror_with_name): Delete.
15097 * cpperror.c (cpp_print_containing_files): Take starting
15098 buffer as argument.
15099 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15100 (v_cpp_message): Now called directly by all entry points.
15102 (cpp_pfatal_with_name, cpp_message): Delete.
15103 (cpp_notice_from_errno, cpp_ice): New functions.
15104 (cpp_notice): Is now for reporting error conditions, just
15105 without an associated file.
15106 (cpp_error, cpp_error_with_line): Don't do anything if
15107 opts->inhibit_errors is on.
15108 (cpp_pedwarn_with_file_and_line): Take column argument also.
15110 * cpplib.h: Update prototypes of exported functions.
15111 (struct cpp_options): Add inhibit_errors.
15113 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15114 non-error messages. Include intl.h.
15116 * cppinit.c, cppmain.c: Likewise. Also, use
15117 cpp_notice_from_errno instead of cpp_perror_with_name or
15118 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15120 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15121 report internal errors.
15123 * cpplib.c (do_define): Switch bcopy to memcpy.
15124 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15126 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15127 bail out early if we hit a line comment.
15129 2000-02-06 Richard Henderson <rth@cygnus.com>
15131 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15132 * basic-block.h: Declare them.
15133 * emit-rtl.h (active_insn_p): New.
15134 (next_active_insn, prev_active_insn): Use it.
15135 * rtl.h: Declare it.
15136 * function.c (emit_return_into_block): New.
15137 (thread_prologue_and_epilogue_insns): Insert return insns instead
15138 of epilogues when possible.
15139 * jump.c (jump_optimize_1): Remove code to insert a return insn
15140 on the fallthru to the exit block.
15142 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15143 and for non-empty stack frames.
15144 * i386.md (return): Expand to return-pop as needed.
15146 2000-02-06 Richard Henderson <rth@cygnus.com>
15148 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15149 constant to op1 for testing.
15151 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15153 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15154 (fixuns_truncqfqi2): Use it.
15156 2000-02-06 Richard Henderson <rth@cygnus.com>
15158 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15159 as a TYPE_LEA insn.
15161 * i386.md (widening and peepholes): Mask the constant instead of
15164 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15166 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15167 input pointer before possibly branching off to the backslash
15169 * cpphash.c (macroexpand): Correctly delete \r escapes when
15170 stringifying parameters.
15171 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15172 if we can; bail out early if we hit a line comment.
15173 (handle_directive): Treat '# 123' in an .S file just like
15174 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15175 Return 1 for '# not_a_directive'.
15176 (get_directive_token): Pop macro buffers here, so that
15177 cpp_get_token can't sneakily move past a newline.
15179 (cpp_get_token): goto randomchar if handle_directive returns 0.
15181 * cppalloc.c: Update copyright.
15182 * cpplib.c: Merge all the static function prototypes into one
15184 * cpplib.h: Remove #if 0 block.
15186 * cpperror.c: Remove #ifdef EMACS block.
15187 * cppmain.c: Likewise.
15188 * cpphash.c: Remove #if 0 blocks.
15189 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15190 * cpplib.c: Remove #if 0 blocks and code referencing
15191 pcp_inside_if or for_lint. Remove duplicate error message.
15192 Fix error messages for #else after #else or #elif. Reformat.
15193 Remove archaic TODO list.
15194 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15196 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15198 * i386/osf1elf.h: Add missing backslash to multiline string.
15200 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15202 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15204 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15206 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15208 * c-common.c: Include expr.h.
15210 * c-pragma.c (mark_align_stack): Add prototype.
15212 * caller-save.c (add_stored_regs): Likewise.
15214 * combine.c (record_promoted_value): Likewise.
15216 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15219 * cppinit.c (new_pending_define): Likewise.
15221 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15223 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15224 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15225 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15226 class_scope_p): Likewise.
15228 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15229 dwarf2out_add_library_unit_info): Likewise.
15231 * ggc.h (ggc_page_print_statistics): Likewise.
15233 * haifa-sched.c (propagate_deps): Likewise.
15235 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15237 * rtl.h (set_stack_check_libfunc): Likewise.
15239 * toplev.h (set_fatal_function): Likewise.
15241 * toplev.c (set_fatal_function): Delete prototype.
15243 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15245 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15247 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15248 (FUNC_END): Likewise.
15250 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15252 * caller-save.c: Include tm_p.h.
15254 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15256 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15258 2000-02-04 Neil Booth <NeilB@earthling.net>
15260 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15263 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15265 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15266 * genflags.c: Use the max_operand_1 logic from genemit.c to
15267 calculate how many arguments gen_insn prototypes have. Remove
15268 NO_MD_PROTOTYPES ifdefs from the generated file.
15269 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15270 file. Cast gen_insn initializers to insn_gen_fn.
15271 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15272 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15274 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15276 * fixinc/Makefile.in (HDR): Add machname.h.
15279 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15281 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15282 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15283 (c4x_cpu_version): Ditto.
15284 * config/c4x/c4x-protos.h: ... here.
15286 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15288 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15289 gen_abstract_function on our context if we're a nested function.
15291 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15293 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15294 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15296 2000-02-04 Bruce Korb <bkorb@gnu.org>
15298 * fixinc/genfixes(machname.h):
15299 Move the functionality from gen-machine.h into this file.
15300 UNdef MN_NAME_PAT if there are no names to change.
15301 Also, be a little kinder when AutoGen is not present.
15303 * fixinc/Makefile.in(machname.h):
15304 Change the generation rule to use genfixes.
15306 * fixinc/fixfixes.c(machine_name):
15307 machine_name_fix's functionality now dependent upon whether
15308 MN_NAME_PAT is defined.
15310 * fixinc/fixtests.c(machine_name):
15313 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15316 * fixinc/fixlib.h(mn_get_regexps):
15319 * fixinc/gen-machine.h: DELETED
15321 2000-02-04 Jan Hubicka <jh@suse.cz>
15322 Richard Henderson <rth@cygnus.com>
15324 * i386.c (SAVE_REGS_FIRST): Remove.
15325 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15326 (ix86_compute_frame_size): Likewise.
15327 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15328 (ix86_emit_restore_regs): Remove.
15329 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15330 when a frame pointer is in use.
15331 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15332 instead of pop to restore a register when profitable; emit leave
15334 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15335 as a TYPE_LEA insn.
15336 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15337 * i386.md (prologue_allocate_stack): Remove.
15338 (epilogue_deallocate_stack): Remove.
15339 (pro_epilogue_adjust_stack): New.
15341 2000-02-04 Richard Henderson <rth@cygnus.com>
15343 * function.c (diddle_return_value): Rework to use a callback function.
15344 Use current_function_return_rtx if it's been set up.
15345 (do_clobber_return_reg, clobber_return_register): New.
15346 (do_use_return_reg, use_return_register): New.
15347 (expand_function_end): Use them.
15348 * stmt.c (expand_null_return): Likewise.
15349 * function.h: Declare them.
15350 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15351 (mark_reg): Change arguments as appropriate for callback.
15352 * integrate.c (expand_inline_function): Revert 19 Jan change.
15354 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15356 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15357 (Misc): Say the scheduler, not the Haifa scheduler.
15359 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15361 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15362 when in_mem is set. Update all callers.
15364 2000-02-04 Richard Henderson <rth@cygnus.com>
15366 * i386/openbsd.h (INT_ASM_OP): Define.
15368 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15370 * tm.texi: Fix various typos.
15372 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15374 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15375 (MD_STARTFILE_PREFIX_1): New macro.
15377 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15379 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15380 destination when needed.
15381 (strmovsi, strsetsi): New expander.
15382 (strmovsi_1, strsetsi_1): New pattern.
15383 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15384 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15385 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15386 * invoke.texi (align-stringops, inline-all-stringops): Document.
15388 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15390 * i386/netbsd.h (INT_ASM_OP): Define.
15392 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15394 * cpplib.h (cpp_reader): Add new flag, no_directives.
15395 * cpphash.c (macarg): Set it.
15396 * cpplib.c (handle_directive): If no_directives is on and we
15397 find a directive, issue an error and discard the line.
15399 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15401 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15402 FP constants. Add ! TARGET_FPU check for FP constants.
15404 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15406 * flow.c (find_basic_blocks): Don't kill label_value_list
15408 (cleanup_cfg): Kill it here.
15410 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15412 * expr.c (store_field): Ensure ALIGN is no stricter than the
15415 2000-02-02 Richard Henderson <rth@cygnus.com>
15417 * jump.c (delete_insn): Partially revert 19 Jan change;
15418 don't convert unused code labels to notes at -O0.
15420 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15422 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15423 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15425 2000-02-01 Richard Henderson <rth@cygnus.com>
15427 * i386.c (general_no_elim_operand): New.
15428 (nonmemory_no_elim_operand): New.
15429 (ix86_expand_move): Copy eliminable operands before a push.
15430 * i386-protos.h: Declare new functions.
15431 * i386.h (CAN_ELIMINATE): Simplify.
15432 (PREDICATE_CODES): Update.
15433 * i386.md (push insns): Don't allow eliminable register operands.
15435 2000-02-01 Richard Henderson <rth@cygnus.com>
15437 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15438 replace BLKmode with DECL_RTL's mode.
15440 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15442 * frame.c (find_fde): Convert for loop to do-while so compiler
15443 sees it's always executed at least once.
15444 * libgcc2.c (BBINBUFSIZE): Kill.
15445 (__bb_init_prg): Use fgets.
15446 (__bb_exit_trace_func): Don't paste strings.
15447 * unroll.c (unroll_loop): Initialize unroll_type, not
15448 unroll_number, and tweak logic to match.
15450 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15452 (ix86_flags_dependant): Likewise. Disentangle control flow.
15453 (ix86_sched_reorder): Break guts out to
15454 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15455 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15458 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15459 use string concatenation. Don't save and restore esi.
15461 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15462 (machname.h): Remove script to separate file. Use two-step
15463 sequence so target is not created if script fails.
15464 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15465 identifiers are defined.
15466 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15467 an empty string, machine_name doesn't need to do anything at
15469 (is_cxx_header): Add more cases to regexp.
15470 * fixinc/fixlib.h: Update prototype.
15471 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15473 * fixinc/fixincl.c: Define NO_BOGOSITY.
15475 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15476 (hp_sysfile): Add missing comma.
15477 (math_exception): Put the wrapper ifdefs at the beginning and
15478 the end of the file.
15479 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15481 2000-02-01 Richard Henderson <rth@cygnus.com>
15483 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15484 Use CONST0_RTX. Update all callers.
15485 * sparc.h, sparc-protos.h: Update accordingly.
15486 * sparc.md (fp mov insns): Use fp_zero_operand directly
15489 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15491 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15494 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15496 * Makefile.in (specs.ready): New target.
15497 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15499 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15501 * fixinc.irix: Use unique filenames for writing into /tmp,
15502 * fixinc.ptx: Likewise.
15503 * fixinc.sco: Likewise.
15504 * fixinc.svr4: Likewise.
15505 * fixinc.winnt: Likewise.
15507 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15509 * tsystem.h: New file.
15511 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15512 s-crtS): Depend on tsystem.h.
15514 * crtstuff.c: Include tsystem.h.
15515 * frame.c: Likewise.
15516 * libgcc2.c: Likewise.
15518 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15520 * builtins.c (expand_builtin_memset): Expand for variable sized
15523 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15525 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15528 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15530 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15532 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15534 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15536 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15537 case 3->2 combining (combining with splitting) in which 2 is CC0
15538 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15539 checked at the begining of the function with the aid of calling
15540 function 'can_combine_p'.
15542 2000-01-31 Dave Brolley <brolley@redhat.com>
15544 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15546 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15548 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15551 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15553 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15555 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15558 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15560 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15561 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15562 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15563 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15564 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15565 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15566 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15567 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15568 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15569 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15571 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15572 Add %(cpp_cpu) to CPP_SPEC.
15574 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15575 Add %(cc1_cpu) to CC1_SPEC.
15577 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15579 * c-decl.c (c_decode_option): Accept optional numeric argument to
15580 -Wformat and set warn_format.
15581 * c-common.c: Don't emit warning about non-constant printf format
15582 string unless warn_format > 1.
15584 2000-01-30 Richard Henderson <rth@cygnus.com>
15586 * alpha.md (return_internal): Allow after reload only.
15588 2000-01-30 Richard Henderson <rth@cygnus.com>
15590 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15591 local frame size is zero.
15593 2000-01-30 Richard Henderson <rth@cygnus.com>
15595 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15596 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15597 * alpha.md (return): Turn into an expander.
15598 (return_internal): Don't use $26.
15599 (epilogue): Emit the return insn.
15601 2000-01-30 Richard Henderson <rth@cygnus.com>
15603 * alpha.md (negtf2, abstf2): Fix word order thinko.
15604 (extendsftf2): New.
15605 (trunctfsf2): Avoid intermediate rounding errors.
15607 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15609 * cppfiles.c (find_position): Drop 'colp' argument, return the
15611 (read_and_prescan): Adjust to match. Don't ever manipulate
15612 line or line_base except via find_position.
15614 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15616 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15617 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15620 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15622 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15623 just print "<command line>". If 'filename' is null or an
15624 empty string, print "<stdin>" for the filename.
15625 * cpplib.c (do_define): Don't print the 'location of the
15626 previous definition' message if we're still parsing the
15628 (cpp_pedwarn_with_file_and_line): Always call
15629 cpp_file_line_for_message.
15631 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15633 * flow.c (mark_regs_live_at_end): Fix typo.
15635 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15637 * c-common.c: Adjust variable names, comments, help strings to c99.
15638 * c-lex.c: Likewise.
15639 * c-parse.y: Likewise.
15640 * c-tree.h: Likewise.
15641 * cccp.c: Likewise.
15642 * cpplib.h: Likewise.
15643 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15644 * cppinit.c: Likewise.
15646 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15648 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15649 * c4x.c: Define the optab rtx values.
15650 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15651 (c4x_emit_libcall): Use new optab rtx values.
15652 (c4x_emit_libcall3): Likewise.
15653 (c4x_emit_libcall_mulhi): Likewise.
15654 * c4x-protos.h: Add prototypes for optab rtx values and change
15655 prototypes for above c4x_emit_libcall functions.
15657 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15659 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15661 (c4x_function_prologue): Use regnames intead of float_reg_names when
15663 (c4x_function_epilogue): Likewise.
15664 (c4x_print_operand): Likewise.
15665 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15666 * c4x.md (set_high): Disable for TARGET_TI.
15668 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15670 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15671 of framepointer + constant to ADDR_REGS class.
15672 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15673 * c4x.c (std_or_reg_operand): New function.
15674 * c4x-protos.h (std_or_reg_operand): Prototype it.
15676 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15678 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15679 object names as libgcc2.c.
15680 * libgcc.S: Use newly defined names.
15682 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15683 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15685 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15686 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15687 (FLOW_LOOP_LAST_BLOCK): Likewise.
15689 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15691 * basic-block.h (struct loop): New fields 'first' and 'last'.
15692 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15693 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15694 and loop->last to check for NOTE_INSN_LOOP_END.
15696 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15698 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15699 of the loop descriptor rather than HEADER and LATCH. Also added
15700 missing break statements as well making some coding style modifications
15701 as suggested by Michael Hayes.
15703 2000-01-28 Richard Henderson <rth@cygnus.com>
15705 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15706 Break out that code ...
15707 (cleanup_cfg): ... here.
15708 (commit_one_edge_insertion): Detect a return instruction being
15709 emitted to an edge. Emit a barrier following; clear fallthru.
15710 (commit_edge_insertions): Verify CFG consistency.
15711 * function.c (expand_function_start): Kill unused variable.
15712 (expand_function_end): Likewise.
15713 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15714 to insert the epilogue.
15716 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15717 (delete_null_pointer_checks): Likewise.
15718 * output.h: Likewise.
15719 * reg-stack.c (reg_to_stack): Likewise.
15720 * toplev.c (rest_of_compilation): Likewise. Run
15721 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15723 2000-01-28 Richard Henderson <rth@cygnus.com>
15725 * Makefile.in (flow.o): Revert 24 Jan change.
15726 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15727 FUNCTION_VALUE result to DECL_RESULT's mode.
15729 * haifa-sched.c (schedule_insns): Don't recompute reg info
15732 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15734 * configure.in: Make --enable-cpplib the default.
15735 * configure: Regenerate.
15736 * gcc.dg/990119-1.c: No longer expected to fail.
15738 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15740 * jump.c (jump_optimize_1): Delete an optimization that is also done
15741 by merge_blocks in flow.
15743 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15745 * diagnostic.c (build_message_string, output_printf,
15746 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15747 (build_location_prefix): Fix non-literal format string.
15749 2000-01-27 Richard Henderson <rth@cygnus.com>
15751 * alpha.md (trunctfsf2): New.
15753 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15755 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15757 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15759 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15761 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15763 (skip_comment) ... here. Permit C++ comments in system
15764 headers always. Warn about C++ comments in user code under
15765 -std=gnu89 -pedantic.
15766 (copy_comment): Use skip_comment.
15767 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15769 (consider_directive_while_skipping, do_else, do_endif): Call
15770 validate_else unconditionally.
15771 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15772 text after the conditional in a system header.
15773 * cpplib.h (struct cpp_buffer): Add flag
15774 warned_cplusplus_comments.
15776 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15778 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15779 Use unshare_all_rtl_1.
15780 (unshare_all_rtl_again): New function.
15781 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15783 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15784 rather than resetting the 'used' flags ourself.
15786 * toplev.c (rest_of_compilation): Add current_function_decl
15787 to the unshare_all_rtl call.
15788 * tree.h: Prototype unshare_all_rtl.
15789 * rtl.h: Prototype unshare_all_rtl_again here.
15791 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15793 * genoutput.c (output_prologue): Include ggc.h in generated
15795 * Makefile.in (insn-output.o): Depends on ggc.h.
15797 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15798 Hans-Peter Nilsson <hp@bitrange.com>
15800 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15801 Remove redundant include of xm-ns32k.h.
15802 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15803 Remove redundant include of xm-ns32k.h.
15804 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15805 Remove redundant include of xm-ns32k.h.
15806 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15808 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15809 (TARGET_SWITCHES): Add documentation strings.
15810 (DWARF_FRAME_REGNUM): Override default definition.
15811 (REG_CLASS_CONTENTS): Add comments.
15812 (SUBSET_P): Format to reduce line length.
15813 (SMALL_REGISTER_CLASSES): Make a run time option.
15814 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15815 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15816 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15817 (regclass_map): fix typo in comment.
15818 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15819 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15820 (trace, reg_or_mem_operand): Delete, unused function.
15821 (calc_address_cost): Small offsets are cheaper than large ones.
15822 (expand_block_move): Generate more efficient code when bytes is a
15823 known at compile time.
15824 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15825 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15826 instead of reg_or_mem_operand.
15828 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15829 not general_operand. Similarly use "=rm" or stricter, not "=g".
15830 For input operands, use stricter constraints than "g" if not
15831 general_operand. Similarly use stricter predicate than
15832 "general_operand" when stricter constraints than "g" are present,
15833 except for matching constraints.
15834 (movstrsi): Use "memory_operand" for operands 0 and 1.
15835 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15836 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15837 not reg_or_mem_operand.
15838 (udivmoddisi4): Ditto.
15839 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15840 Use nonimmediate_operand for operand 3, not register_operand.
15841 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15842 reg_or_mem_operand.
15844 2000-01-27 Fred Fish <fnf@be.com>
15846 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15847 * gthr-single.h: Likewise.
15848 * gthr-solaris.h: Likewise.
15849 * gthr-vxworks.h: Likewise.
15850 * gthr-win32.h: Likewise.
15851 * gthr.h: Likewise.
15853 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15855 * cppinit.c: Add " (cpplib)" to end of string printed by
15858 2000-01-27 Richard Henderson <rth@cygnus.com>
15860 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15861 testing for a signed comparison.
15862 (alpha_emit_floatuns): New.
15863 * alpha-protos.h: Declare it.
15864 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15865 (extendsfdf2): Tidy.
15867 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15869 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15870 no -g option specifying debugging format, default to -gstabs+.
15872 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15874 * calls.c (special_function_p): New argument fork_or_exec.
15875 (expand_call): When profile_arc_flag is set and the function
15876 is in the fork_or_exec group, call __bb_fork_func first.
15877 * libgcc2.c, _bb module (__bb_fork_func): New function.
15878 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15880 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15881 * tree.h (special_function_p): Update prototype.
15883 2000-01-26 Richard Henderson <rth@cygnus.com>
15885 * alpha.c (alpha_split_tfmode_pair): New.
15886 * alpha-protos.h: Declare it.
15887 * alpha.md (abstf2, negtf2): New.
15888 (movtf insn): Add input G constraint.
15889 (movtf splitter): Use alpha_split_tfmode_pair.
15891 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15893 * i386/cygwin.h: PROTO -> PARAMS.
15895 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15897 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15898 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15899 using _Qp_cmp/_Q_cmp and testing the return value.
15900 (print_operand): Call reverse_condition_maybe_unordered if
15901 we are handling CCFPmode or CCFPEmode.
15902 Handle ORDERED, UN* and LTGT comparisons.
15903 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
15904 if not TARGET_HARD_QUAD.
15905 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
15906 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
15907 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
15908 Adjust gen_b* calls so that they reflect return comparison of
15909 sparc_emit_float_lib_cmp.
15911 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15913 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
15914 incoming operands array is large enough for one more operand.
15915 (alpha_emit_xfloating_arith): Likewise.
15917 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15919 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
15920 file with one line and no trailing newline.
15921 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
15922 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
15923 checking if the match is on the line.
15924 * fixinc/gnu-regex.c: Provide regerror not __regerror.
15926 2000-01-25 Richard Henderson <rth@cygnus.com>
15928 * sparc.c (output_cbranch): Fix accidental squashing of the
15929 fp branch pre-delay nop.
15931 2000-01-25 Richard Henderson <rth@cygnus.com>
15933 * tree.def (UNNE_EXPR): Remove.
15934 * c-typeck.c (build_binary_op): Don't handle it.
15935 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
15937 * rtl.def (UNNE): Remove.
15939 * jump.c (reverse_condition): Update accordingly.
15940 (swap_condition): Likewise.
15941 (comparison_dominates_p): Handle unordered comparisons.
15942 (reverse_condition_maybe_unordered): New.
15943 * rtl.h (reverse_condition_maybe_unordered): Declare.
15945 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
15946 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
15947 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
15948 * sparc.md (bltgt): New.
15950 2000-01-25 Nick Clifton <nickc@redhat.com>
15952 * emit-rtl.c (emit_insn): Only check machine class insns for
15953 improper emission of a RETURN.
15955 2000-01-25 Richard Henderson <rth@cygnus.com>
15957 * Makefile.in (flow.o): Depend on $(EXPR_H).
15958 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
15959 duplicate the structure of diddle_return_value for keeping regs live.
15961 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15963 * loop.c (current_loop_info): Delete.
15964 (consec_sets_invariant_p): Add loop argument, update callers.
15965 (get_condition_for_loop): Likewise.
15966 (count_nonfixed_reads, update_giv_derive): Likewise.
15967 (simplify_giv_expr, general_induction_var): Likewise.
15968 (consec_sets_giv, recombine_givs): Likewise.
15969 (move_movables): Delete loop_start and loop_end arguments,
15970 add loop argument, and update callers.
15971 (find_mem_givs, check_final_value): Likewise.
15972 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
15973 (loop_invariant_p): Rename from invariant_p, add loop argument, and
15975 (basic_induction_var): Add loop argument, delete loop_level argument,
15976 and update callers.
15977 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
15978 add loop argument, and update callers.
15979 (find_splittable_regs, find_splittable_givs): Likewise.
15980 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
15981 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
15982 (biv_total_increment): Delete loop_start and loop_end arguments;
15984 (precondition_loop_p): Delete loop_start and loop_info arguments;
15986 * loop.h (get_condition_for_loop): Add loop argument.
15987 (biv_total_increment): Delete loop_start and loop_end arguments.
15988 (precondition_loop_p): Delete loop_start and loop_info arguments;
15990 (final_biv_value): Delete loop_start and loop_end arguments;
15992 (final_giv_value, back_branch_in_range_p): Likewise.
15994 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15996 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
15998 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16000 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16001 point to the new "generated_files" doc.
16003 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16005 * config/fp-bit.c (_unord_f2): Fix typo.
16007 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16009 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16010 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16011 functions obsoleted by GC, such as push_obstacks_nochange,
16012 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16013 and code which existed only to decide whether or not to call
16014 them. Remove now-unused NESTED argument from start_function;
16015 all callers changed. Do not change behavior based on ggc_p.
16016 The use of the ixp_obstack in c-iterate.c and the util_obstack
16017 in objc/objc-act.c remain; these are not obsoleted by garbage
16019 * c-tree.h: Update prototype for start_function.
16021 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16023 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16025 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16028 2000-01-25 Richard Henderson <rth@cygnus.com>
16030 * sparc-protos.h (select_cc_mode): Declare.
16031 * sparc.c (select_cc_mode): New. Handle unordered compares.
16032 (output_cbranch): Always reverse via code change. Handle
16033 unordered compares. Factor tests and string updates.
16034 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16035 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16036 * sparc.md (bunordered, bordered): New.
16037 (bungt, bunlt, buneq, bunge, bunle): New.
16039 2000-01-25 Richard Henderson <rth@cygnus.com>
16041 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16042 * ggc-common.c (ggc_add_rtx_varray_root): New.
16043 (ggc_mark_rtx_varray): New.
16044 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16045 functions down below ggc_mark_foo.
16046 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16048 2000-01-25 Richard Henderson <rth@cygnus.com>
16050 * alpha.c (secondary_reload_class): Don't allocate a secondary
16051 for integral mode memories into FLOAT_REGS. Rearrange the more
16052 complicated memory expression inward.
16054 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16056 * inclhack.def: Fixes to play nicer with FreeBSD, and
16057 corrections to comments.
16058 (cxx_unready): Add select expression.
16059 (irix_sockaddr): Add bypass expression.
16060 (machine_ansi_h_va_list): New fix.
16061 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16062 Split out addition of "#include <stdarg.h>" to...
16063 (stdio_stdarg_h): ... here.
16064 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16065 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16066 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16068 (ultrix_ifdef): Tighten up select expression.
16070 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16071 re_ct and max_mach to avoid use of shell. Make printed names
16072 match names in inclhack.def. Use static copyright date.
16073 Don't count c_test and test expressions as requiring regex_t
16074 slots. Add some commentary.
16075 * inclhack.tpl: Do not include the 'This script contains N
16076 fixup scripts' line if PROGRAM is defined. Use static
16079 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16081 * dwarf2out.c: include "varray.h", not dyn-string.h.
16082 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16083 (addr_const_to_string, addr_to_string): Lose.
16084 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16085 (struct dw_val_struct): val_addr is now an rtx.
16086 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16087 (used_rtx_varray): New varray.
16088 (dwarf2out_init): Initialize it.
16089 (save_rtx): New fn.
16090 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16092 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16093 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16094 * Makefile.in (dwarf2out.o): Update dependencies.
16096 2000-01-24 Richard Henderson <rth@cygnus.com>
16098 * i386.c (i386_dwarf_output_addr_const): New.
16099 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16101 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16103 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16104 * i386.c (i386_simplify_dwarf_addr): New.
16105 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16107 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16109 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16110 TYPE_STUB_DECL is NULL.
16112 2000-01-24 Richard Henderson <rth@cygnus.com>
16114 * builtins.c (expand_tree_builtin): Move ...
16115 * c-common.c (expand_tree_builtin): ... here.
16117 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16119 * loop.h (LOOP_INFO): New accessor macro.
16120 * basic-block.h (struct loop): Rename field `info' to `aux'.
16121 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16122 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16123 * unroll.c (loop_iterations, unroll_loop): Likewise.
16125 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16127 * config/i386/t-cygwin: Accomodate new winsup directory layout
16128 when searching for include files.
16130 2000-01-24 Richard Henderson <rth@cygnus.com>
16132 * rtl.def: Add unordered fp comparisions.
16133 * tree.def: Likewise.
16134 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16136 * builtins.c (expand_tree_builtin): New function.
16137 * c-typeck.c (build_function_call): Use it.
16138 (build_binary_op): Support unordered compares.
16139 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16141 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16142 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16143 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16144 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16145 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16147 (swap_condition): Handle unordered compares.
16148 (thread_jumps): Check can_reverse before reversing.
16149 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16152 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16153 setcc is present before acking for cmp_optab. Update all callers.
16154 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16155 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16156 * expr.c (expand_expr): Likewise. Support unordered compares.
16157 (do_jump, do_store_flag): Likewise.
16158 * expr.h (enum libfunc_index): Add unordered compares.
16160 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16161 (DPBIT_FUNCS): Add _unord_df.
16162 * config/fp-bit.c (_unord_f2): New.
16163 * fp-test.c (main): Try unordered compare builtins.
16165 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16166 * alpha.c (alpha_comparison_operator): Check mode properly.
16167 (alpha_swapped_comparison_operator): Likewise.
16168 (signed_comparison_operator): Likewise.
16169 (alpha_fp_comparison_operator): New.
16170 (alpha_emit_conditional_branch): Handle unordered compares.
16171 * alpha.h (PREDICATE_CODES): Update.
16172 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16173 (bunordered, bordered): New.
16175 2000-01-24 Richard Henderson <rth@cygnus.com>
16177 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16178 * alpha.md (movtf): New expander, insn, and splitter.
16180 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16182 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16185 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16187 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16188 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16189 REG_ALLOC_ORDER): Add frame pointer
16190 (FRAME_POINTER_REGNUM): Set to 20
16191 (HARD_FRAME_POINTER_REGNUM): New macro.
16192 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16193 to HARD_FRAME_POINTER.
16194 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16195 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16196 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16197 (HI_REGISTER_NAMES): Add "frame".
16198 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16199 (debug_reg): Handle FRAME_POINTER_REGNUM.
16200 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16201 GENERAL_REGS and INDEX_REGS.
16202 * i386.c (SAVED_REGS_FIRST): new macro.
16203 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16204 (ix86_decompose_address, memory_address_length): Likewise.
16205 (regclass_map): Add frame pointer.
16206 (call_insn_operand): Handle frame_pointer_rtx.
16207 (reg_no_sp_operand): Likewise.
16208 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16209 (print_operand, legitimize_pic_address): Fix formating.
16210 (ix86_compute_frame_size): Make static, update prototype, new
16211 parameters padding1, padding2, use ix86_nsaved_regs, use
16212 stack_alignment_needed.
16213 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16214 to HARD_FRAME_POINTER_REGNUM conversions.
16215 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16216 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16217 (print_reg): Abort on FRAME_POINTER_REGNUM
16219 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16221 * i386.h (PREDICATE_CODES): Add aligned_operand.
16222 * i386.c (aligned_operand): New function.
16223 (ix86_aligned_p): Kill.
16224 * i386.md (movhi_1): Emit mov for aligned operands.
16225 (promoting peep2s): Use aligned_operand.
16227 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16229 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16230 expression to allow underscores in macro names.
16231 (fix_char_macro_defines): Increment scanning pointer.
16233 2000-01-23 Richard Henderson <rth@cygnus.com>
16235 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16236 * alpha/osf5.h: New file.
16237 * configure.in (alpha-*-osf5): Add it to tm_file.
16239 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16241 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16242 (alpha_emit_xfloating_cvt, function_arg): Declare.
16243 * alpha.c (alpha_emit_conditional_branch): Call
16244 alpha_emit_xfloating_compare for TFmode compares.
16245 (alpha_lookup_xfloating_lib_func): New.
16246 (alpha_compute_xfloating_mode_arg): New.
16247 (alpha_emit_xfloating_libcall): New.
16248 (alpha_emit_xfloating_arith): New.
16249 (alpha_emit_xfloating_compare): New.
16250 (alpha_emit_xfloating_cvt): New.
16251 (print_operand): Add default abort case.
16252 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16253 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16254 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16255 (RETURN_IN_MEMORY): True for TF/TCmode.
16256 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16257 (FUNCTION_ARG): Move to function_arg.
16258 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16259 (ASM_OUTPUT_LONG_DOUBLE): New.
16260 (ASM_OUTPUT_DOUBLE): Always output bits.
16261 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16262 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16263 (extenddftf2, trunctfdf2): New.
16265 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16267 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16268 * config/sparc/sol2.h: ... here.
16270 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16272 * basic-block.h (struct loops): New field `levels'.
16273 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16274 (flow_loop_level_compute): Initialise level to 1.
16275 (flow_loops_find): Set loops->levels.
16276 (flow_loops_dump): Print loops->levels.
16278 2000-01-23 Richard Henderson <rth@cygnus.com>
16280 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16281 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16283 2000-01-23 Richard Henderson <rth@cygnus.com>
16285 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16286 * i386.h (DBX_REGISTER_NUMBER): Use them.
16287 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16288 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16289 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16290 * i386/sequent.h: Kill incorrect comment.
16292 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16294 * ggc-page.c (struct page_entry): Make `context_depth' an
16296 (struct globals): Likewise.
16298 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16300 * loop.c (check_dbra_loop): When checking a loop for
16301 reversability, check the source of any stores to ensure
16302 they don't depend on an initial value.
16304 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16306 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16308 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16310 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16311 'pz_scan' into scope of entire function. Only affects
16312 compiles with -DDEBUG.
16314 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16316 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16317 section naming to that prior to 2000-01-07 patch.
16318 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16319 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16320 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16321 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16322 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16324 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16326 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16329 2000-01-21 Jim Wilson <wilson@cygnus.com>
16331 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16332 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16334 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16336 * cpphash.c (change_newlines): Delete function.
16337 (struct argdata): Delete 'newlines' and 'use_count' fields.
16338 (macroexpand): Remove code referencing those fields.
16340 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16342 * loop.c (loops_info): New variable.
16343 (loop_optimize): Allocate loops->array and free it on exit.
16344 Allocate memory for loops_info and assign to each loop,
16346 (find_and_verify_loops): Do not allocate loops->array.
16348 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16350 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16352 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16354 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16355 pseudos if expanded after first flow.
16356 (movdi_pic_label_ref): Likewise.
16358 2000-01-20 Richard Henderson <rth@cygnus.com>
16360 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16362 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16364 * Makefile.in (fixinc.sh): Depend on specs.
16365 * fixinc/Makefile.in: Add rule to create machname.h.
16366 (fixlib.o): Depend on machname.h.
16367 * fixinc/fixtests.c (machine_name): New test.
16368 * fixinc/fixfixes.c (machine_name): New fix.
16369 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16370 the machine_name test and fix.
16371 * fixinc/fixlib.h: Prototype it.
16372 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16373 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16375 * gcc.c (do_spec_1) [case P]: Take care not to create
16376 identifiers with three leading or trailing underscores.
16378 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16379 (fixincl): Don't specify libraries twice on link line.
16380 (gnu-regex.o): Remove special rule.
16381 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16382 defined by config.h. Do not define _REGEX_RE_COMP.
16383 (regcomp): Allocate and initialize a fastmap.
16384 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16386 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16388 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16390 2000-01-19 Richard Henderson <rth@cygnus.com>
16392 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16393 arguments with BB. Update all callers. Tidy line wrapping.
16395 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16397 * emit-rtl.c (try_split): Return last_insn if we split the
16400 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16402 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16403 (ix86_initial_elimination_offset): Declare.
16404 * i386.c (ix86_nsaved_regs): Break out from ...
16405 (ix86_can_use_return_insn_p): ... here.
16406 (ix86_emit_save_regs): Break out from ...
16407 (ix86_expand_prologue): ... here.
16408 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16410 (ix86_expand_epilogue): ... here.
16411 (ix86_compute_frame_size): Make static, add prototype.
16412 (ix86_initial_elimination_offset): Break out from ...
16413 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16415 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16417 * recog.h (OUT_FCN): Delete.
16419 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16421 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16423 * cppalloc.c: PROTO -> PARAMS.
16424 * cpperror.c: Likewise.
16425 * cppfiles.c: Likewise.
16426 * cpplib.c: Likewise.
16427 * cpplib.h: Likewise.
16429 * config/arm/arm-protos.h: PROTO -> PARAMS.
16430 * config/arm/arm.c: Likewise.
16431 * config/c4x/c4x.c: Likewise.
16432 * config/fr30/fr30-protos.h: Likewise.
16433 * config/nextstep.c: Likewise.
16434 * config/pa/pa.c: Likewise.
16435 * config/pj/pj.c: Likewise.
16436 * config/rs6000/rs6000.c: Likewise.
16437 * config/v850/v850-protos.h: Likewise.
16438 * config/v850/v850.c: Likewise.
16440 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16442 * i370-protos.h: New file.
16444 * i370.c: Include tm_p.h. Fix compile time warnings.
16446 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16449 * i370.md: Likewise.
16451 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16453 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16454 (target_isinf, target_isnan, eisnan): Mark parameter with
16456 (eiisinf): Wrap in INFINITY.
16457 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16458 (ibmtoe): Remove unused variable `rndsav'.
16460 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16462 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16463 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16465 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16467 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16468 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16469 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16471 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16472 Recognize Emacs mode markers also.
16473 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16474 C++ comments in C++ headers. Call is_cxx_header only if
16477 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16478 bypass for ncurses.
16479 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16480 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16481 ... these, which use the new C fixes.
16482 (math_exception): Escape literal '+' in bypass expression.
16484 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16487 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16489 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16492 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16494 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16495 prior to calling scan_loop.
16497 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16499 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16500 (split_branches, calc_live_regs): Likewise.
16502 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16504 * sh.md (fpu_single, fp_mode): New attributes.
16506 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16508 * loop.c (current_loop_info): Renamed from loop_info_data
16509 and changed to a pointer.
16510 (loop_optimize): Allocate loop_info structure for each loop
16511 and initialise to zero.
16512 (scan_loop): Set current_loop_info.
16514 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16517 2000-01-19 Richard Henderson <rth@cygnus.com>
16519 * stupid.c: Die die die.
16520 * Makefile.in (OBJS): Remove stupid.o.
16521 (stupid.o): Likewise.
16523 * except.c (emit_eh_context): Don't emit USEs for stupid.
16524 * explow.c (probe_stack_range): Likewise.
16525 * flags.h (obey_regdecls): Remove.
16526 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16527 when not optimizing.
16528 (life_analysis): Limit data collection when not optimizing.
16529 (mark_regs_live_at_end): Always mark the return value registers.
16530 (mark_used_regs): Remove dummy RETURN case.
16531 (print_rtl_with_bb): Don't consult obey_regdecls.
16532 * function.c (use_variable, use_variable_after): Remove.
16533 (assign_parms): Consult optimize not obey_regdecls.
16534 (expand_function_start): Don't emit USEs for stupid.
16535 (expand_function_end): Likewise.
16536 * global.c (build_insn_chain): Export.
16537 * integrate.c (expand_inline_function): Kill return-value USE
16539 * jump.c (jump_optimize_1): Do simple jump optimizations and
16540 dead code elimination.
16541 (calculate_can_reach_end): Remove check_deleted argument.
16542 (delete_insn): Patch out insns even when not optimizing.
16543 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16544 * rtl.h (use_variable, use_variable_after): Remove declarations.
16545 (build_insn_chain): Declare.
16546 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16547 (expand_end_bindings): Likewise.
16548 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16549 * toplev.c (obey_regdecls): Remove.
16550 (rest_of_compilation): Don't set it. Kill stupid in favour of
16551 flow1, local-alloc, and reload.
16552 (main): Don't set obey_regdecls.
16554 * config/nextstep.c (handle_pragma): Likewise.
16556 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16558 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16560 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16562 * alpha-protos.h: PROTO -> PARAMS.
16563 * alpha.c: Likewise.
16565 * h8300.c: Likewise.
16566 * i386-protos.h: Likewise.
16567 * i386.c: Likewise.
16568 * m32r-protos.h: Likewise.
16569 * m32r.c: Likewise.
16570 * mips.c: Likewise.
16571 * mips.md: Likewise.
16572 * gmon-sol2.c: Likewise.
16573 * sparc.c: Likewise.
16575 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16577 * ns32k-protos.h: New file.
16579 * ns32k.c: Fix compile time warnings.
16581 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16584 * ns32k.md: Likewise.
16586 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16588 * vax-protos.h: New file.
16590 * vax.c: Fix compile time warnings.
16592 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16595 * vax.md: Likewise.
16597 * vaxv.md: Likewise.
16599 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16601 * romp-protos.h: New file.
16603 * romp.c: Fix compile time warnings.
16605 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16608 * romp.md: Likewise.
16610 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16612 * we32k-protos.h: New file.
16614 * we32k.c: Fix compile time warnings.
16616 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16619 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16621 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16623 * except.c (eh_regs): Likewise.
16625 * final.c (output_operand): Likewise.
16627 * fold-const.c (target_isinf, target_isnan): Likewise.
16629 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16631 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16632 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16634 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16635 when optimize_size.
16636 (clrstrsi): Rewrite.
16637 (strsethi, strsetqi): New expanders.
16638 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16639 (cmpstrsi): Emit compare insn before cmpstrsi_1
16640 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16641 (strlensi_1): Likewise.
16642 (cmpstrsi_1): Likewise; do not output compare.
16643 (strlen expander): Do not unroll when optimizing for size.
16644 (*subsi3_carry): Rename to subsi3_carry
16645 (addqi3_cc): New pattern.
16646 * i386.h (processor_costs): Add move_ratio field.
16647 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16648 * i386.c (*_cost): Set move_ratio.
16649 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16650 (x86_expand_strlensi_1): Rewrite the main loop.
16652 2000-01-17 Richard Henderson <rth@cygnus.com>
16654 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16655 * cse.c (find_comparison_args, fold_rtx): Likewise.
16656 * integrate.c (subst_constants): Likewise.
16657 * loop.c (get_condition): Likewise.
16659 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16661 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16663 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16665 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16666 (RESTORE_WARN_FLAGS): Unpack it.
16667 Change semantic type of extension to ttype.
16668 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16669 * c-parse.y, c-parse.c, objc/objc-parse.y,
16670 objc/objc-parse.c: Regenerate.
16672 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16674 * fixinc/fixlib.c: Add copyright notice.
16675 (compile_re): New function.
16676 * fixinc/fixlib.h: Prototype compile_re.
16678 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16679 Use compile_re to compile regular expressions.
16681 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16682 where the pattern matched.
16684 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16686 (ultrix_ansi_compat): Likewise.
16687 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16689 (interactv_add2, interactv_add3): Delete.
16690 (x11_sprintf): Don't use filename glob.
16691 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16694 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16696 * print-rtl.c: PROTO -> PARAMS.
16697 * real.c: Likewise.
16698 * reg-stack.c: Likewise.
16699 * resource.c: Likewise.
16700 * sdbout.h: Likewise.
16701 * simplify-rtx.c: Likewise.
16702 * stor-layout.c: Likewise.
16703 * stupid.c: Likewise.
16704 * xcoffout.c: Likewise.
16705 * xcoffout.h: Likewise.
16707 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16709 * toplev.c: PROTO -> PARAMS.
16710 * toplev.h: Likewise.
16711 * tree.c: Likewise.
16712 * tree.h: Likewise.
16713 * unroll.c: Likewise.
16714 * varasm.c: Likewise.
16715 * varray.c: Likewise.
16716 * varray.h: Likewise.
16718 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16720 * reload.c: PROTO -> PARAMS.
16721 * reload.h: Likewise.
16722 * reload1.c: Likewise.
16723 * reorg.c: Likewise.
16724 * resource.h: Likewise.
16727 * rtlanal.c: Likewise.
16728 * sbitmap.h: Likewise.
16729 * sdbout.c: Likewise.
16730 * stack.h: Likewise.
16731 * stmt.c: Likewise.
16732 * system.h: Likewise.
16734 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16736 * machmode.h: PROTO -> PARAMS.
16737 * mbchar.h: Likewise.
16738 * mips-tdump.c: Likewise.
16739 * mips-tfile.c: Likewise.
16740 * optabs.c: Likewise.
16741 * output.h: Likewise.
16742 * prefix.c: Likewise.
16743 * profile.c: Likewise.
16744 * protoize.c: Likewise.
16745 * real.h: Likewise.
16746 * recog.c: Likewise.
16747 * recog.h: Likewise.
16748 * regclass.c: Likewise.
16749 * regmove.c: Likewise.
16750 * regs.h: Likewise.
16752 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16754 * ggc-common.c: PROTO -> PARAMS.
16755 * ggc-page.c: Likewise.
16756 * ggc-simple.c: Likewise.
16758 * global.c: Likewise.
16759 * graph.c: Likewise.
16760 * gthr-win32.h: Likewise.
16761 * haifa-sched.c: Likewise.
16762 * halfpic.h: Likewise.
16763 * integrate.c: Likewise.
16764 * integrate.h: Likewise.
16765 * jump.c: Likewise.
16767 * local-alloc.c: Likewise.
16768 * loop.c: Likewise.
16769 * loop.h: Likewise.
16771 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16773 * genattr.c: PROTO -> PARAMS.
16774 * genattrtab.c: Likewise.
16775 * gencheck.c: Likewise.
16776 * gencodes.c: Likewise.
16777 * genconfig.c: Likewise.
16778 * genemit.c: Likewise.
16779 * genextract.c: Likewise.
16780 * genflags.c: Likewise.
16781 * gengenrtl.c: Likewise.
16782 * genopinit.c: Likewise.
16783 * genoutput.c: Likewise.
16784 * genpeep.c: Likewise.
16785 * genrecog.c: Likewise.
16787 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16789 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16791 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16793 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16794 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16795 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16796 * configure, config.in: Rebuilt.
16798 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16800 * config/i386/i386.md: Add peephole to merge successive stack
16803 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16805 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16806 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16807 when walking backwards to find all the parameter loads when
16808 the basic block ends in a call.
16810 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16812 * loop.c (this_loop_info): Delete.
16813 (uid_loop): Add in place of uid_loop_num. All uses updated.
16814 (loop_number_exit_count): Delete and replace with entry in loop
16815 structure. All uses updated.
16816 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16817 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16818 (loop_outer_loop): Likewise.
16819 (loop_invalid, loop_number_exit_labels): Likewise.
16820 (loop_used_count_register): Delete and replace with entry in
16821 loop_info structure.
16822 (find_and_verify_loops): Add loops argument.
16823 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16824 loop_end, etc. arguments with loop structure pointer. All callers
16826 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16827 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16828 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16829 (insert_bct): Likewise.
16830 (basic_induction_var): New argument level.
16831 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16832 vtop, and cont. Add used_count_register.
16833 (uid_loop): Delete declaration.
16834 (loop_number_exit_count): Likewise.
16835 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16836 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16837 (loop_outer_loop, loop_used_count_register): Likewise.
16838 (loop_invalid, loop_number_exit_labels): Likewise.
16839 (unroll_loop): Replace loop_start and loop_end arguments
16840 with loop structure pointer.
16841 (loop_precondition_p, loop_iterations): Likewise.
16842 Include basic-block.h.
16843 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16844 with loop structure pointer.
16845 (loop_precondition_p, loop_iterations): Likewise.
16846 * basic-block.h (struct loop): New entries vtop, cont,
16847 cont_dominator, start, end, top, scan_start, exit_labels,
16849 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16851 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16853 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16855 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16857 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16859 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16861 * pdp11-protos.h: New file.
16863 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16866 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16869 * pdp11.md: Likewise.
16871 * 2bsd.h: Likewise.
16873 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16875 * mn10300-protos.h: New file.
16877 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16880 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16883 * mn10300.md: Likewise.
16885 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16887 * mn10200-protos.h: New file.
16889 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16892 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16895 * mn10200.md: Likewise.
16897 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16899 * h8300-protos.h: New file.
16901 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
16904 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
16907 * h8300.md: Likewise.
16909 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16911 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
16912 (asm_emit_uninitialised): Likewise.
16914 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
16916 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
16917 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
16919 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16921 * config/mips/mips.c (override_options): Don't turn on extra
16922 alignment for mips16.
16924 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16926 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
16927 eabi, and make sure queued POSTINCREMENT rtl is emitted at
16930 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16932 * builtins.c (PAD_VARARGS_DOWN): Define.
16933 (std_expand_builtin_va_arg): Use the above macro.
16934 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
16935 * tm.texi (Register Arguments): Document the above macro.
16937 2000-01-14 Nick Clifton <nickc@cygnus.com>
16939 * emit-rtl.c (emit_insn): If checking is enabled, make sure
16940 that this function has not been used to emit a jump
16943 * jump.c (return_jump_1): Cope with being passed a null rtx.
16945 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16947 * eh-common.h: PROTO -> PARAMS.
16948 * emit-rtl.c: Likewise.
16949 * errors.c: Likewise.
16950 * errors.h: Likewise.
16951 * except.c: Likewise.
16952 * except.h: Likewise.
16953 * explow.c: Likewise.
16954 * expmed.c: Likewise.
16955 * expr.c: Likewise.
16956 * expr.h: Likewise.
16957 * final.c: Likewise.
16958 * fix-header.c: Likewise.
16959 * flow.c: Likewise.
16960 * fold-const.c: Likewise.
16961 * function.c: Likewise.
16962 * function.h: Likewise.
16964 * gcov-io.h: Likewise.
16965 * gcov.c: Likewise.
16966 * gcse.c: Likewise.
16968 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16970 * sh-protos.h: New file.
16972 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
16973 Add static prototypes. Fix compile time warnings.
16975 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
16979 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16981 * arc-protos.h: New file.
16983 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
16986 * arc.h: Move prototypes to arc-protos.h. Fix compile time
16989 * arc.md: Likewise.
16991 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16993 * dsp16xx-protos.h: New file.
16995 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
16998 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17001 * dsp16xx.md: Likewise.
17003 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17005 * convex-protos.h: New file.
17007 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17010 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17013 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17015 * elxsi-protos.h: New file.
17017 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17020 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17023 * elxsi.md: Likewise.
17025 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17027 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17028 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17029 match the comment for MIPS16.
17031 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17033 * flow.c (split_edge): Do not call set_block_for_insn if we
17034 do not have a basic_block_for_insn structure.
17036 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17037 and destination functions are 32bit aligned within the trampoline.
17038 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17039 (TRAMPOLINE_ALIGNMENT): Define.
17041 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17042 (set (pc) (label_ref)), verify the change creates a valid insn.
17044 * fr30.c (call_operand): Tighten and rework to match rules for
17045 call RTL expressions.
17046 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17047 * fr30.md (call patterns): Improve constraints.
17049 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17051 * fr30.c (fr30_expand_epilogue): Revert last change.
17052 Use emit_jump_insn for the return insn.
17054 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17055 Stan Cox <scox@cygnus.com>
17057 * predict.c: New file. Preliminary infrastructure work for static
17058 branch prediction and basic block reordering.
17059 * basic-block.h: Add prototype for estimate_probability.
17060 * Makefile.in: Add rules for predict.o.
17062 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17064 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17065 * fixinc/*: Likewise.
17067 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17069 * cccp.c: PROTO -> PARAMS.
17070 * cexp.y: Likewise.
17071 * collect2.c: Likewise.
17072 * combine.c: Likewise.
17073 * convert.h: Likewise.
17075 * dbxout.c: Likewise.
17076 * dbxout.h: Likewise.
17077 * diagnostic.c: Likewise.
17078 * doprint.c: Likewise.
17079 * dwarf2out.c: Likewise.
17080 * dwarf2out.h: Likewise.
17081 * dwarfout.c: Likewise.
17082 * dwarfout.h: Likewise.
17083 * dyn-string.h: Likewise.
17085 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17087 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17088 macro conditionals guarding use.
17090 * dwarf2out.c: Include "tm_p.h".
17092 * function.c (locate_and_pad_parm): Mark parameter with
17094 (expand_function_end): Likewise for variable `context'.
17096 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17098 2000-01-13 Nick Clifton <nickc@cygnus.com>
17100 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17101 register to prevent compile time warnings.
17103 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17105 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17106 to avoid -Wtraditional warning.
17108 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17110 * 1750a-protos.h: New file.
17112 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17115 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17118 * 1750a.md: Likewise.
17120 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17122 * a29k-protos.h: New file.
17124 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17127 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17130 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17132 * clipper-protos.h: New file.
17134 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17137 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17140 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17142 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17144 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17146 * configure.in (--enable-new-gxx-abi): New option.
17147 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17148 * Makefile.in (GXX_ABI_FLAG): New variable.
17149 * configure: Regenerate.
17151 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17153 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17154 * tm.texi (FORCE_STRUCT_BLK): Document.
17155 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17157 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17159 * config/ns32k/ns32k.md: Revert Jan 9 change.
17161 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17162 to a mode-test, if the predicate is address_operand.
17164 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17166 * combine.c (if_then_else_cond): Be careful about what kinds
17167 of RTL expressions are passed to operand_subword.
17169 * flow.c (split_edge): If we have to insert a new jump, make
17170 sure to associate it with a basic block.
17172 * flow.c (commit_one_edge_insertion): A block with one successor
17173 can end in a JUMP_INSN that is not a simplejump.
17175 2000-01-12 Robert Lipe <robertl@sco.com>
17177 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17178 (BUILD_VA_LIST_TYPE): Define.
17179 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17182 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17184 * cccp.c (do_pragma): Add cast to (char *).
17186 2000-01-12 Richard Henderson <rth@cygnus.com>
17187 Fred Fish <fnf@be.com>
17188 Jason Merrill <jason@cygnus.com>
17190 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17191 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17192 * i386/beos-elf.h, i386/beos-pe.h: New files.
17194 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17195 * cross-make (SYSTEM_HEADER_DIR): Define using
17196 CROSS_SYSTEM_HEADER_DIR.
17198 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17199 (process_command): Use it.
17200 (main): Likewise. Kill trailing = from env vars.
17201 (build_search_list): Put it back.
17202 * collect2.c (main): Use LIBRARY_PATH_ENV.
17204 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17205 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17207 * tm.texi (Frame Layout): Document SMALL_STACK.
17208 * c-common.c (c_common_nodes_and_builtins): Check it.
17210 * system.h: Undef alloca after including glibc's <stdlib.h>,
17211 if USE_C_ALLOCA is defined.
17213 * gcc.c (set_input): New fn.
17214 (main): After all input files are compiled, reset the input file
17217 * aclocal.m4 (rindex, index): If already defined, don't attempt
17220 * ginclude/varargs.h: (__va_list__): Define ifndef.
17221 * ginclude/stdarg.h: Likewise.
17223 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17224 instead of unsigned char.
17226 * hash.h (true, false, boolean): Undef before enum.
17228 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17229 proper type of "HOST_WIDE_INT *", rather than their natural type of
17230 "unsigned HOST_WIDE_INT *".
17232 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17234 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17236 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17238 * regclass.c (choose_hard_reg_mode): Likewise.
17240 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17242 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17244 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17246 * c-common.c: PROTO -> PARAMS.
17247 * c-common.h: Likewise.
17248 * c-decl.c: Likewise.
17249 * c-iterate.c: Likewise.
17250 * c-lang.c: Likewise.
17251 * c-lex.c: Likewise.
17252 * c-lex.h: Likewise.
17253 * c-parse.in: Likewise.
17254 * c-pragma.c: Likewise.
17255 * c-pragma.h: Likewise.
17256 * c-tree.h: Likewise.
17257 * c-typeck.c: Likewise.
17258 * objc/objc-act.c: Likewise.
17259 * objc/objc-act.h: Likewise.
17261 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17263 * m88k-protos.h: New file.
17265 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17268 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17270 * m88k.md: Likewise.
17272 * tekXD88.h: Likewise.
17274 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17276 * m68k-protos.h: New file.
17278 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17281 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17283 * mot3300.h: Likewise.
17285 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17287 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17289 (extract_bitlist): Declare bitlen.
17291 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17293 * cccp.c: Accept and ignore -lang-fortran.
17295 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17296 qualifiers don't match at any level of pointerness.
17298 2000-01-12 Robert Lipe <robertl@sco.com>
17300 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17302 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17304 * reload1.c (reload_reg_unavailable): New static variable.
17305 (reload_reg_free_p): Test it.
17306 (reload_reg_free_for_value_p): Test it instead of
17308 (choose_reload_regs_init): Compute it.
17310 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17312 * reorg.c (fill_slots_from_thread): Check modified_in_p
17315 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17317 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17318 these nodes even if INTERNALS is not set.
17320 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17322 * gcse.c (delete_null_pointer_checks_1): Cope when
17323 get_condition cannot determine the condition.
17325 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17327 * toplev.h (set_message_length): Declare.
17329 * diagnostic.c (obstack_chunk_alloc): Define macro.
17330 (obstack_chunk_free): Likewise.
17331 (struct output_buffer): New data structure.
17332 (vmessage): Remove.
17333 (output_maximum_width): New variable.
17334 (doing_line_wrapping, set_message_length, init_output_buffer,
17335 get_output_prefix, output_space_left, emit_output_prefix,
17336 output_newline, output_append, output_puts, dump_output,
17337 vbuild_message_string, build_message_string, build_location_prefix,
17338 voutput_notice, output_printf, line_wrapper_printf,
17339 vline_wrapper_message_with_location): New functions. Implement
17340 automatic line wrapping.
17341 (v_message_with_decl): Make it handle automatic line wrapping.
17342 (v_error_with_file_and_line): Likewise.
17343 (v_warning_with_file_and_line): Likewise.
17344 (announce_function): Likewise.
17345 (default_print_error_function): Likewise.
17347 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17349 * cpplib.h (struct cpp_options): Change lang_asm to char.
17351 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17352 done in cpp_handle_option now.
17353 (initialize_builtins): Take out special case code used only by
17355 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17356 if -traditional. Recognize -lang-fortran and set
17357 lang_fortran, also turn off cplusplus_comments.
17358 (print_help): Document -lang-fortran.
17359 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17360 lang_asm. Ignore all directives other than `# 123 "file"' if
17362 (cpp_get_token): If -traditional, don't recognize directives
17363 unless the # is in column 1.
17364 (parse_string): If lang_fortran or lang_asm, silently
17365 terminate strings ('' or "") at end of line.
17366 Remove unnecessary braces.
17368 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17369 Richard Henderson <rth@cygnus.com>
17371 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17373 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17374 strict_low_part when possible.
17376 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17378 * alias.c: PROTO -> PARAMS.
17379 * basic-block.h: Likewise.
17380 * bitmap.c: Likewise.
17381 * bitmap.h: Likewise.
17382 * builtins.c: Likewise.
17383 * c-aux-info.c: Likewise.
17384 * caller-save.c: Likewise.
17385 * calls.c: Likewise.
17387 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17389 * Makefile.in (toplev.o): Depend on regs.h.
17391 * output.h (tdesc_section): Prototype.
17393 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17395 * sdbout.c: Include "tm_p.h".
17397 * toplev.c: Include "regs.h".
17399 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17401 * unroll.c (unroll_loop): Add EH support.
17403 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17405 * pa-protos.h: New file.
17407 * pa.c: Include recog.h and tm_p.h.
17408 (compute_zdepwi_operands, compute_movstrsi_length,
17409 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17410 find_addr_reg, import_milli): Add static prototypes.
17411 (pa_cpu_string, pa_arch_string): Constify a char*.
17412 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17413 (read_only_operand): Add argument `mode'.
17414 (singlemove_string, output_move_double, output_fp_move_double,
17415 output_block_move, output_and, output_ior, output_ascii,
17416 remove_useless_addtr_insns, milli_names, output_mul_insn,
17417 output_div_insn, output_mod_insn, output_arg_descriptor,
17418 output_cbranch, output_bb, output_bvb, output_dbra, ,
17419 output_millicode_call, output_call, hppa_encode_label,
17420 output_parallel_movb, output_parallel_addb): Constify a char*.
17421 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17422 (output_parallel_addb): Remove extra arg to `constrain_operands'
17424 * pa.h: Move all prototypes to pa-protos.h.
17425 (pa_cpu_string, pa_arch_string): Constify a char*.
17426 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17428 * pa.md: Call `function_label_operand' with mode argument.
17429 Likewise for `read_only_operand'.
17430 Fix nesting of parens in call to `symbolic_operand'.
17432 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17434 * i860-protos.h: New file.
17436 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17439 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17441 * i860.md: Likewise.
17443 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17445 * i386.md (movstrsi expander): Rewrite.
17446 (movstrsi_1 insn): Deleted.
17447 (strmovhi, strmovqi expander): New expanders.
17448 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17449 * i386.c (x86_single_stringop): New global variable.
17450 * i386.h (x86_single_stringop): Declare.
17451 (TARGET_SINGLE_STRINGOP): New macro.
17453 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17455 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17456 integer vararg POSTINCREMENT before the destination of the jump
17457 for the hard fp case.
17458 (function_arg_pass_by_reference): Pass a copy of CUM to
17461 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17462 for CONSTANT_ADDRESS_P above while loop for subreg.
17464 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17466 * flow.c (propagate_block): When a prologue/epilogue insn
17467 is marked dead, unconditionally clear libcall_is_dead and
17468 insn_is_dead, and only dump rtl if warnings aren't being
17471 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17473 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17474 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17475 (FIXED_REGISTERS): Set dirflag as fixed.
17476 (CALL_USED_REGISTERS): Set dirflag as used.
17477 (REG_ALLOC_ORDER): Set dirflag as last one.
17478 (DIRFLAG_REG): New macro.
17479 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17480 (HI_REGISTER_NAMES): Add dirflag.
17481 (DEBUF_PRINT_REG): Handle dirflag.
17482 * i386.md (type attribute): New cld and str types.
17483 (length_opcode attribute): Set cld and str to 1.
17484 (memory attribute): Set str to unknown - it is not clear from the
17486 (pent_np function unit): Prefixed string operations takes 12 cycles
17487 minimally; cld takes 2 cycles.
17488 (ppro_uops attribute): Str is "many" and cld is "few".
17489 (ppro_p0 unit): Handle cld here.
17490 (k6_alux unit): Handle cld and str types.
17491 (k6_load unit): It is ocupied by str opcodes.
17492 (k6_store unit): It is ocupied by str opcodes.
17493 (athlon_decode): Str is vector decoded.
17494 (athlon_ieu): Handle str and cld.
17495 (cld pattern): New.
17496 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17497 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17498 cmpstrsi_nz_1 insn): Do not output cld instruction
17500 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17502 * gcc.texi (G++ and GCC): Add Java and Chill.
17503 (Bug Critera): Don't list languages.
17505 * gcc.texi (Incompatibilities): No longer claim most C compilers
17508 * gcc.texi (G++ and GCC): Update other front-ends list.
17510 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17512 * i386.c (ix86_expand_setcc): Fix typo.
17513 (ix86_expand_movcc): Similarly.
17515 * Band-aid until haifa's bitset implementation is nuked.
17516 * haifa-sched.c (extract_bitlst): New parameter for size of the
17517 bitset in bits. All callers changed. Avoid looking at undefined
17518 bits in the bitset.
17519 (edgeset_bitsize): New variable.
17520 (schedule_region): Initialize edgeset_bitsize.
17522 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17524 * Makefile.in (optabs.o): Depend on real.h
17525 (resource.o): Depend on insn-attr.h
17527 * builtins.c (result_vector): Wrap prototype in macro conditions
17528 governing definition and use.
17530 * c-common.c: Include tm_p.h.
17532 * c-lex.c: Likewise.
17534 * elfos.h: Constify a char*.
17536 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17537 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17538 parameter with ATTRIBUTE_UNUSED.
17540 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17543 * haifa-sched.c (schedule_insns): Mark parameter with
17546 * optabs.c: Include real.h.
17548 * real.h (ereal_atof): Add prototype arguments.
17550 * resource.c: Include insn-attr.h.
17552 * sdbout.c (sdbout_queue_anonymous_type,
17553 sdbout_dequeue_anonymous_types): Wrap in macro
17554 SDB_ALLOW_FORWARD_REFERENCES.
17555 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17558 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17560 * stupid.c: Include tm_p.h.
17562 * tree.c (real_value_from_int_cst): Mark parameter with
17565 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17567 * i960-protos.h: New file.
17569 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17572 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17574 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17576 * combine.c (expand_field_assignment): Do not discard SUBREGs
17577 while computing nonzero_bits.
17579 2000-01-09 Nick Clifton <nickc@cygnus.com>
17581 * config/arm/arm.c: Fix compile time warnings about signed vs
17582 unsigned constants.
17583 * config/arm/arm.h: Fix compile time warnings about signed vs
17584 unsigned constants.
17586 2000-01-09 Philip Blundell <philb@gnu.org>
17588 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17589 than `ldm' with only one register.
17590 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17593 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17596 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17598 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17601 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17603 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17604 assignment used as truth value.
17606 * function.c (assign_temp): Mark parameter `dont_promote' with
17607 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17608 PROMOTE_FOR_CALL_ONLY.
17610 * genrecog.c (write_subroutine): Mark variable `operands' with
17613 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17616 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17617 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17619 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17622 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17624 * config/c4x.h: Tidy up comments.
17625 * config/c4x.c: Likewise.
17627 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17629 * fold-const.c (lshift_double, rshift_double): Handle
17630 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17632 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17634 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17635 in prepare_function_start().
17637 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17639 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17640 longer allocate extra stack for function calls.
17642 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17644 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17646 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17648 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17650 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17652 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17653 * aix43.h: Revert Aug 2 change.
17654 (HAS_INIT_SECTION): Define, not visible yet.
17655 (LD_INIT_SWITCH): Define, not visible yet.
17656 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17658 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17660 * collect2.c (main): Expand ld2 size further.
17661 (export_object_lst): Cast assignment to avoid warning.
17662 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17663 (scan_prog_file, COFF): Do not collect initialization or
17664 finalization functions generated for entire shared object if
17665 init/fini support present.
17667 2000-01-07 Nick Clifton <nickc@cygnus.com>
17669 * config/elfos.h: Tidy up formatting of marcos. Make sure
17670 that .section directives are always prefixed by a tab.
17672 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17675 2000-01-07 Matt Austern <austern@sgi.com>
17677 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17680 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17682 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17684 (crtbegin.o, s-crtS): Likewise.
17686 2000-01-06 Richard Henderson <rth@cygnus.com>
17688 * alpha.md (adddi_2+1): Limit offset such that it will be
17689 loadable with a single ldah+lda pair.
17690 (adddi_2+2): Explicitly fail split if we can't make it work.
17692 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17694 * protoize.c: Conditionally include unistd.h.
17695 (IS_SAME_PATH_CHAR): New macro.
17696 (IS_SAME_PATH): New macro.
17697 (CPLUS_FILE_SUFFIX): New macro.
17698 (cplus_suffix): New static variable.
17699 (is_abspath): New static function.
17700 (in_system_include_dir): Handle DOS style pathnames.
17701 (file_could_be_converted): Likewise.
17702 (file_normally_convertible): Likewise.
17703 (directory_specified_p): Likewise.
17704 (file_excluded_p): Likewise.
17705 (abspath): Likewise.
17706 (shortpath): Likewise.
17707 (referenced_file_is_newer): Likewise.
17708 (save_def_or_dec): Likewise.
17709 (do_processing): Likewise.
17711 (edit_file): Likewise. Use rename instead of link.
17712 (rename_c_file): Likewise. Don't rename syscalls file.
17713 (munge_compile_params): Define null device for DOS based systems.
17714 (process_aux_info_file): Use binary mode if appliable.
17715 (edit_file): Likewise.
17716 * invoke.texi (Running Protoize): Document C++ suffixes used.
17718 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17719 IS_DIR_SEPARATOR macros.
17720 * collect2.c: Likewise.
17721 * cppinit.c: Likewise.
17722 * dwarf2out.c: Likewise.
17724 * gcov.c: Likewise.
17725 * prefix.c: Likewise.
17727 * toplev.c: Likewise.
17728 * system.h: And move to here.
17730 * prefix.c (update_path): Fix typo in variable name.
17732 2000-01-06 Richard Henderson <rth@cygnus.com>
17734 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17735 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17736 (count_reg_sets_1, count_reg_references): Likewise.
17737 (flow_loops_level_compute): Start counting actual loop depth at 1.
17738 (flow_loops_find): Likewise.
17739 * local-alloc.c (update_equiv_regs): Likewise.
17740 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17742 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17744 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17745 FIRST_PSEUDO_REGISTER
17746 * dwarf2out.c: Don't include frame.h
17747 * dwarfout.c: Likewise
17748 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17751 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17753 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17756 * i386.c (movsf splitter): Fix typo in my last checkin.
17758 2000-01-05 Nick Clifton <nickc@cygnus.com>
17760 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17761 own definition of this macro.
17762 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17763 flag_data_sections or UNIQUE_SECTION_P are true.
17765 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17766 unitialised data decls.
17768 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17769 being called for uninitialised data.
17771 * config/i386/interix.c (i386_pe_unique_section): Cope with
17772 being called for uninitialised data.
17774 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17775 for uninitialised data.
17777 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17778 for uninitialised data.
17780 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17781 for uninitialised data.
17783 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17784 (UNIQUE_SECTION_P): Always generate a unique section if
17785 flag_data_sections is true.
17786 (UNIQUE_SECTION): Also generate unique sections for
17787 uninitialised data.
17788 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17789 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17792 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17794 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17797 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17799 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17800 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17801 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17802 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17803 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17805 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17807 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17809 * c-decl.c (finish_enum): Simplify code to determine minimum and
17810 maximum values of the enum, and calculate the type. Remove check
17811 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17812 the DECL_INITIAL of each enumeration constant with a copy converted
17813 to the enumeration type. When updating variant types, don't bother
17814 updating the type itself.
17816 * c-typeck.c (build_binary_op): Simplify conditional expressions
17817 when weeding out spurious signed-unsigned warnings. Add new
17818 spurious warning category: if the unsigned quantity is an enum
17819 and its maximum value fits in signed_type(result_type). Update
17821 (build_conditional_expr): Warn here if one alternative is signed
17822 and the other is unsigned.
17824 2000-01-05 Nick Clifton <nickc@cygnus.com>
17826 * config/fr30/fr30.h: Remove extraneous comments.
17828 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17830 * reload1.c (choose_reload_regs): When disabling a reload, also
17831 set reload_spill_index to -1.
17833 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17835 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17837 (m68*-*-rtemself*): New target.
17838 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17839 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17840 (sparc*-*-rtemself*): New target.
17841 (sparc*-*-rtems*): Now elf not a.out.
17842 * config/i386/rtems.h: Include config/rtems.h.
17843 * config/i386/rtemself.h: Include config/rtems.h.
17844 * config/i960/rtems.h: Include config/rtems.h.
17845 * config/m68k/rtems.h: Include config/rtems.h.
17846 * config/m68k/rtemself.h: Include config/rtems.h.
17847 * config/mips/rtems64.h: Include config/rtems.h.
17848 * config/pa/rtems.h: Include config/rtems.h.
17849 * config/rs6000/rtems.h: Include config/rtems.h.
17850 * config/sh/rtems.h: Include config/rtems.h.
17851 * config/sh/rtemself.h: Include config/rtems.h.
17852 * config/sparc/rtems.h: Include config/rtems.h.
17853 * config/sparc/rtemself.h: Include config/rtems.h
17855 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17857 * final.c (shorten_branches): Correctly compute length of
17858 asms without operands.
17860 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17862 * configure.in: Add pj target.
17863 * configure: Regenerate.
17864 * config/pj: New directory.
17865 * config/pj/lib1funcs.S: New file.
17866 * config/pj/linux.h: New file.
17867 * config/pj/pj.c: New file.
17868 * config/pj/pj.md: New file.
17869 * config/pj/pjl.h: New file.
17870 * config/pj/t-pj: New file.
17871 * config/pj/xm-pj.h: New file
17873 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17875 * toplev.c (rest_of_compilation): Run shorten-branches before
17878 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17880 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17881 macros so that they're consistent with their names.
17882 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17883 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17885 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17887 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17888 modified inadvertently.
17890 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17892 * configure.in (v850*-*-rtems*): New target.
17893 * configure: Regenerate.
17894 * config/v850/rtems.h: New file.
17896 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17898 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17899 (__gthread_key_create): Likewise.
17900 (__gthread_key_dtor): Likewise.
17901 (__gthread_once): Fix logic.
17902 (__gthread_key_delete): Cast away constness.
17904 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
17905 * invoke.texi: Document.
17906 * i386/mingw32.h (CPP_SPEC): Use.
17907 (LIBGCC_SPEC): Likewise.
17908 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
17910 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17912 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
17913 (HANDLE_PRAGMA_PACK): Undefine.
17914 (SLOW_UNALIGNED_ACCESS): Define.
17916 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17918 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17919 to default definition.
17920 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
17921 (store_fixed_bit_field): Call macro with word_mode and alignment.
17922 (extract_bit_field): Call macro with relevant mode and alignment.
17923 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17924 to default definition.
17925 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
17927 (move_by_pieces_ninsns): Likewise.
17928 (clear_by_pieces): Likewise.
17929 (emit_push_insn): Likewise.
17930 (store_field): Call macro with relevant mode and alignment.
17931 (expand_expr): Likewise.
17932 (expand_expr_unaligned): Likewise.
17934 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
17935 (SLOW_UNALIGNED_ACCESS): Define.
17936 (CASE_VECTOR_MODE): Always use 32-bit offsets.
17937 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
17938 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
17939 (toc_section): Likewise and .toc pseudo-op.
17940 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
17942 (TEXT_SECTION_ASM_OP): Likewise.
17943 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
17946 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
17947 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
17948 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
17949 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
17950 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
17952 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
17954 * regclass.c: Revert my Jan 4 change to loop cost computation.
17956 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17958 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
17961 2000-01-04 Stan Cox <scox@cygnus.com>
17963 * haifa-sched.c (build_control_flow): Change unreachable simple
17964 loop test to check if current block has only one predecessor.
17965 (find_rgns): Initialize degree. Use dest as degree index, not src.
17967 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17969 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
17971 * calls.c (expand_call): Likewise for
17972 `old_stack_arg_under_construction'.
17974 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
17976 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
17979 * gcc.c (execute): Likewise for `ut' and `st'.
17981 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
17983 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
17985 * jump.c (jump_optimize_1): Likewise for `temp2'.
17987 * local-alloc.c (block_alloc): Likewise for `r1'.
17989 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
17991 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
17992 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
17994 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
17997 * reload.c (find_reloads): Likewise for `goal_alternative_number'
17998 and `goal_earlyclobber'.
18000 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18002 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18004 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18006 * unroll.c (copy_loop_body): Likewise for `copy'.
18008 * varasm.c (output_constructor): Likewise for `byte'.
18010 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18012 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18013 all FP constants for constant->reg moves.
18014 (ix86_split_to_parts): Try to convert memory address into immediate
18015 when available in the constant pool.
18016 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18018 (LEGITIMATE_CONSTANT_P): Return 1.
18019 * i386.md (pushsf): New splitter to convert constant pool memory
18020 reference to immediate.
18021 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18024 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18026 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18027 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18028 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18029 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18030 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18032 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18034 * ginclude/stdbool.h: Support compilation as C++.
18036 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18038 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18040 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18042 * regclass.c (regclass): Properly compute loop_cost. Adjust
18045 * regclass.c: Fix minor whitespace problems.
18047 2000-01-03 Anthony Green <green@cygnus.com>
18049 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18050 Restore the pic register if required.
18052 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18054 * c-common.c (format_char_info): Update comment.
18055 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18056 was recognized. Emit warning for formats new in ISO C99 only
18057 if flag_isoc9x is not set.
18059 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18061 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18063 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18065 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18066 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18067 (make_compound_operation): Choose cheaper alternative between
18068 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18070 * regclass.c (op_costs): Remove global variable.
18071 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18072 (record_operand_costs): Break out from ...
18073 (scan_one_insn): ... here.
18074 (dump_regclass): Make dumps nicer.
18075 (regclass): Dump preferrences choosed and changes done during passes.
18077 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18079 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18081 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18083 * config/sparc/sparc.c (gen_df_reg): New function.
18084 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18085 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18086 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18087 movtf_cc_reg_sp64+1): Use it.
18089 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18091 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18092 copied LABEL_DECLs.
18094 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18096 * config/i386/i386.c (ix86_expand_unary_operator): Function
18097 definition made void.
18098 (ix86_expand_binary_operator): Update outdated preceding comment.
18099 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18102 * config/i386/i386.c (override_options): Fix option-name typo.
18104 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18106 * system.h (CEIL): Define.
18107 * builtins.c (CEIL): Remove.
18108 * expmed.c (CEIL): Likewise.
18109 * expr.c (CEIL): Likewise.
18110 * stor-layout.c (CEIL): Likewise.
18112 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18114 * expr.c (store_constructor_field): Fix typo introduced with last
18117 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18119 * tree.h (BINFO_N_BASETYPES): New macro.
18121 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18123 * expmed.c (emit_store_flag): Prevent losing a pending stack
18124 adjust the same way we prevent losing queued increments.
18126 See ChangeLog.2 for earlier changes.