1 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3 * c-common.c (check_format_info): Do not make a pedantic objection
4 to the 'L' length modifier if used with a floating point type
7 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
10 2000-07-17 Kazu Hirata <kazu@hxi.com>
12 * fold-const.c: Fix comment typos.
14 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
16 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
18 2000-07-16 Mark Mitchell <mark@codesourcery.com>
20 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Fix typo.
22 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
26 2000-07-16 Neil Booth <NeilB@earthling.net>
28 * cpplex.c: Update comments.
29 * README.Portability: Small update.
31 2000-07-16 Neil Booth <NeilB@earthling.net>
33 * README.Portability: Small update.
35 2000-07-15 Richard Henderson <rth@cygnus.com>
37 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
38 * config/ia64/ia64.c (ia64_move_ok): New function.
39 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
40 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
42 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
44 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
45 immediately following a paste operator.
46 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
47 (cpp_reader_init): Call it, if HOST_EBCDIC.
48 (cpp_handle_options): Do not sort option list here.
49 (handle_option): Rename to cpp_handle_option and export.
50 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
51 _cpp_get_token directly.
52 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
53 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
54 * cpplib.h: Prototype cpp_handle_option. Update prototype of
57 2000-07-15 Richard Henderson <rth@cygnus.com>
59 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
60 cast around an expression. Tidy other unsigned tests.
62 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
64 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
65 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
66 (v_message_with_decl): Rename to ...
67 (format_with_decl): ... this. Tweak
68 (diagnostic_for_decl): New function.
69 (fatal_io_error): Use verbatim in lieu of notice.
70 (announce_function): Use verbatim.
71 (default_print_error_function): Likewise.
72 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
75 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
77 * mips.c (function_arg_pass_by_reference): Don't do automatic
78 aggregate initialization.
79 (machine_dependent_reorg): Initialize variable `mode'.
81 * mips.md (absdi2): Change variable `regno1' to unsigned int.
82 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
83 conflicts with sys/param.h macro of the same name.
84 (reload_outdi): Likewise.
86 2000-07-15 Michael Meissner <meissner@redhat.com>
88 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
89 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
90 create a new node instead.
92 2000-07-15 Neil Booth <NeilB@earthling.net>
94 * README.Portability: Correct example about calling a function
95 through a pointer to function. Format wide paragraphs.
97 2000-07-15 Michael Meissner <meissner@redhat.com>
99 * README.Portability: Update integer suffixes and function
102 2000-07-15 Neil Booth <NeilB@earthling.net>
104 * README.Portability: Small update.
106 2000-07-15 Neil Booth <NeilB@earthling.net>
108 * README.Portability: New file.
110 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
112 * INSTALL: Give special instructions for building GCC on Irix 6.
113 * config/mips/x-iris6 (CC): Don't set it.
116 2000-07-14 Jason Merrill <jason@redhat.com>
118 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
119 register in the stack and later in another register, use the new
122 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
124 * config/mips/mips.md: (absdi2): Handle sign_extend for
127 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
129 * cpplib.c (do_pragma_dependency): Tidy warning messages.
131 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
133 * .cvsignore: Correct typo.
135 2000-07-13 Mark Mitchell <mark@codesourcery.com>
137 * .cvsignore: Add generated YACC files.
138 * objc/.cvsignore: New file.
140 2000-07-14 Neil Booth <NeilB@earthling.net>
142 * cpplex.c (adjust_column): New funcion.
143 (skip_whitespace): Use it.
144 (skip_block_comment): Use it, and warn about /*/* with
147 2000-07-14 Neil Booth <NeilB@earthling.net>
149 * cpphash.c (struct macro_info): Add new members.
150 (_cpp_free_definition): Delete the macro directly.
151 (count_params): Return void, with first token of
152 expansion in struct macro_info on success.
153 (parse_define): Return int. Hoist syntax checking from
154 save_macro_expansion. Leave call to save_expansion to
155 _cpp_create_definition.
156 (alloc_macro): Needs just 2 arguments.
157 (free_macro): Delete.
158 (save_expansion): Don't perform syntax check.
159 (_cpp_create_definition): Call save_expansion.
161 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
163 * genrecog.c (write_header): Split long string.
165 * cpphash.c (macro_info): Don't use the `signed' keyword.
167 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
169 2000-07-13 Jakub Jelinek <jakub@redhat.com>
171 * calls.c (stored_args_map): New variable.
172 (check_sibcall_argument_overlap_1): New.
173 (check_sibcall_argument_overlap): New.
174 (expand_call): Initialize stored_args_map.
175 Call check_sibcall_argument_overlap.
177 2000-07-13 Bruce Korb <bkorb@gnu.org>
179 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
180 (emit_gnu_type): utility procedure for gnu_type_fix
181 (gnu_type_fix): implement various pre-processor guards around
182 standard types so these types can be defined over and over
183 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
184 types alluded to above will have GNU-compliant base types
185 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
186 * fixinc/inclhack.def: add test_text entries and utilize the new
187 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
188 * fixinc/fixincl.x: regenerate
190 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
192 * diagnostic.c (vline_wrapper_message_with_location,
193 v_message_with_file_and_line, v_error_with_file_and_file,
194 v_error_for_asm, v_warning_for_asm, vfatal,
195 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
196 vsorry, verror, vwarning, vpedwarn): Remove.
197 (diagnostic_for_asm): New function.
198 (pedwarn, error, warning, pedwarn_with_file_and_line,
199 error_with_file_and_line, warning_with_file_and_line, sorry,
200 error_for_asm, warning_for_asm, fatal): Reimplement.
201 (finish_diagnostic): Clear diagnostic info as well.
203 2000-07-13 Neil Booth <NeilB@earthling.net>
205 * c-common.h (flag_digraphs): New.
206 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
207 * c-lex.c (yylex): Use flag_digraphs to decide whether to
210 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
212 * gcc.c (do_spec_1): Add new %B operator.
213 (set_input): Prepare for %B.
215 (link_command_spec): Move up with the other tm.h-
216 overrideable specs. Factor out the portion conditional on
217 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
218 (struct compiler): Just have a single spec string. All users
220 (default_compilers): Remove unnecessary braces.
221 (static_specs): Update.
223 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
225 (C and assembly specs): Use the new named specs, as appropriate.
227 * objc/lang-specs.h: Use the new named specs.
228 Remove unnecessary braces.
230 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
232 * gcc.c (execute): If a subprocess gets a fatal signal, report
233 strsignal() of the signal number, and ask for a bug report.
234 Do not do this for SIGPIPE if there's already been an error.
236 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
241 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
243 * final.c (profile_function): Do not emit profile counters in
244 the data section, if NO_PROFILE_COUNTERS is defined.
245 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
248 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
249 (FUNCTION_PROFILER): Just emit a call to mcount.
251 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
253 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
255 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
256 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
257 traditional, lang_chill, or lang_fortran.
259 * cppfiles.c: #undef strcmp to suppress warning about macros
260 used without arguments.
261 (_cpp_execute_include): Use f, not fname, in "No include path"
263 (_cpp_pop_file_buffer): New function.
264 * cpplib.c: Don't include <sys/mman.h>.
265 (cpp_push_buffer): Set line_base and lineno in new buffer.
266 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
268 * cpplex.c: Move all prototypes and structure declarations to the
269 top of the file. Properly parenthesise some macro arguments.
270 (cpp_scan_line): New function.
271 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
272 don't need to walk up the stack counting.
274 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
276 * c-common.c (combine_strings): Emit a pedantic warning when a
277 string length is greater than the minimum ANSI C is required
280 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
282 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
283 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
285 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
287 * c-decl.c (define_label): Warn about identifier conflicts with
288 labels in traditional C.
290 * c-parse.in (unop +): Warn about the unary plus operator for
293 * c-typeck.c (store_init_value): Warn about automatic aggregate
294 initialization for traditional C.
296 * invoke.texi (-Wtraditional): Document new warnings.
298 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
300 * Makefile.in (c-errors.o): Fix thinko in dependency.
302 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
304 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
305 -traditional, -ftraditional, or -traditional-cpp was given.
306 Do not pass -traditional to the preprocessor.
307 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
308 preprocessor does it automatically.
309 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
311 * ch/lang-specs.h: Always use tradcpp. Do not pass
312 -traditional, -trigraphs, or -pedantic to the preprocessor.
313 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
316 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
318 * cppexp.c (LOGICAL): Delete macro.
319 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
322 * cpphash.c (HASHSIZE): Increase to 4096.
323 (struct hashdummy): Add hash field.
324 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
325 the string values using memcmp.
326 (cpp_lookup): Set dummy.hash.
328 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
330 * configure.in (m88k-openbsd): Express configuration using new fragment
332 * configure: Rebuilt.
333 * m88k/aout-dbx.h: New.
334 * m88k/openbsd.h: New.
335 * m88k/xm-openbsd.h: New.
337 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
339 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
341 2000-07-12 Richard Henderson <rth@cygnus.com>
343 * reload.c (push_secondary_reload): Make sure to add the new
344 reload at the end, after acquiring secondary memory.
346 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
348 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
350 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
351 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
353 * c-parse.in (stmt): Delete unused variables.
355 * convert.c (convert_to_vector): Likewise.
357 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
359 * tree.c (finish_vector_type): Prototype.
361 2000-07-12 Bruce Korb <bkorb@gnu.org>
363 * fixinc/fixfixes.c: use xmalloc
364 * fixinc/fixincl.c(initialize): set program name for xmalloc
365 * fixinc/fixlib.c(must_malloc): obsolete
366 (is_cxx_header): no longer used - disabled
367 (skip_quote): inserted and disabled for future use
368 * fixinc/fixlib.h: reflects above
369 * fixinc/fixtests.c: removed dinkleberries
371 2000-07-12 Neil Booth <NeilB@earthling.net>
373 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
374 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
376 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
377 struct toklist_dummy): New.
378 (cpp_free_definition): Free macros with free_macro.
379 (count_params): Don't save paramter spellings. Save macro
380 information in a struct macro_info.
381 (parse_define): Don't allocate a token list.
382 (save_expansion): Allocate the macro's token list, and
383 save parameter spellings if necessary. Use TOKEN_SPELL.
384 (cpp_create_definition): Make list const.
386 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
388 * c-typeck.c (pedwarn_c99): Move to
389 * c-errors.c: ... Here.
390 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
391 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
392 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
393 (c-errors.o): List dependency.
395 2000-07-12 Mark Mitchell <mark@codesourcery.com>
398 * c-parse.h: Likewise.
399 * c-parse.y: Likewise.
400 * objc/objc-parse.c: Likewise.
401 * objc/objc-pasre.y: Likewise.
403 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
405 * gcc.texi: Fix minor typos
406 * extend.texi: Fix minor typos
408 2000-07-11 Marc Espie <espie@openbsd.org>
410 * collect2.c (main): Recognize .lo as object files.
412 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
414 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
417 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
418 with MAP_ANONYMOUS and MAP_ANON.
419 * configure, config.in: Rebuilt.
421 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
423 * diagnostic.c (save_output_state): Remove.
424 (restore_output_state): Likewise.
425 (clear_text_info): New function.
426 (clear_diagnostic_info): Likewise.
427 (output_text_length, is_starting_newline, output_prefix,
428 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
429 prefixing_policy, output_buffer_ptr_to_format_args): New macros
430 (set_real_maximum_length, output_set_maximum_length,
431 output_set_prefix, output_get_prefix, output_set_maximum_length,
432 output_destroy_prefix, init_output_buffer,
433 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
434 output_add_newline, output_add_character, output_add_space,
435 output_append_r, output_append, wrap_text, output_format,
436 output_do_printf, output_printf, output_do_verbatim,
437 output_verbatim, verbatim): Use them.
438 (output_clear): Split into cleat_text_info and
439 clear_diagnostic_info.
440 (struct output_state): Move to...
442 * diagnostic.h: ...Here
443 (struct output_buffer): Adjust.
445 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
447 * cpplex.c (parse_name): No longer inline (premature optimization).
448 (do_pop_context): Fold into pop_context.
449 (pop_context): Returns int.
450 (lex_next): Hoist test for end of directive into pop_context.
451 (push_macro_context): Returns int; takes just reader and token.
452 Hoist test for excessive nesting to caller.
453 (push_arg_context): Returns void; takes just reader and token.
454 Do not call stringify_arg or get_raw_token.
455 (get_raw_token): Convert tail recursion through push_arg_context
456 to a loop at this level. Call stringify_arg here if appropriate.
457 (maybe_paste_with_next): Convert tail recursion to a while loop.
458 Hoist test of paste_level to caller.
460 (stringify_arg): Push arg context at beginning.
461 (cpp_get_token): Split out core into _cpp_get_token. Call
462 process_directive here. Throw away CPP_PLACEMARKER tokens.
463 (_cpp_get_token): Convert tail recursion through
464 push_macro_context to a loop at this level.
465 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
466 _cpp_get_raw_token): Use _cpp_get_token.
467 (_cpp_skip_rest_of_line): Drop the context stack directly; do
468 not call pop_context.
469 (_cpp_run_directive): Call lex_next directly.
471 * cpphash.h: Prototype _cpp_get_token.
472 * cppexp.c (lex): Use it.
473 * cpphash.c (parse_define): Use it.
474 * cpplib.c (get_define_node, do_undef, parse_include,
475 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
476 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
477 parse_ifdef, validate_else): Use it.
478 (cpp_push_buffer): Tweak error message; abort if anyone tries
479 to push a buffer while macro expansions are stacked.
481 2000-07-11 Donn Terry <donnte@microsoft.com>
483 * cpplex.c (free_macro_args, save_token): Cast arg of free
484 and/or xrealloc to PTR.
485 (_cpp_init_input_buffer): Clear all fields of the base context.
487 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
489 * gensupport.c (process_rtx): Make rtl checking stop
490 complaining about the define_insn while it is being
491 converted from a define_insn_and_split.
493 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
495 * config/mips/mips.c (simple_memory_operand): Access the
496 INTVAL of the address, not it's containing MEM.
498 2000-07-11 Bruce Korb <bkorb@gnu.org>
500 * fixinc/fixtests.c(double_slash): obsolete
501 (else_endif_label): likewise
502 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
503 (libc1_ifdefd_memx): correct initial comment
504 and omit the #if/#endif pair from the memxxx declarations
505 * fixinc/fixincl.x: regen
507 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
509 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
511 2000-07-11 Neil Booth <NeilB@earthling.net>
515 2000-07-11 Neil Booth <NeilB@earthling.net>
517 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
518 (handle_option): Set digraphs according to standard.
519 Merge OPT_lang_c89 handler with OPT_std_c89.
521 * cpplex.c: (lex_line, can_paste): Honour digraphs in
522 accordance with the digraphs flag.
524 * cpplib.h: (struct cpp_options): New option digraphs.
526 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
527 Bruce Korb <bkorb@gnu.org>
529 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
530 * fixinc/fixincl.x: Regenerate.
531 * fixinc/tests/base/testing.h: Add testcase.
533 2000-07-10 Richard Henderson <rth@cygnus.com>
535 * config/ia64/ia64.c (got_symbolic_operand): New.
536 (symbolic_operand, move_operand): Revert 0701 change.
537 * config/ia64/ia64.h (PREDICATE_CODES): Update.
538 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
539 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
540 split the offset into a 14-bit low part instead of a 13-bit low part.
541 (load_fptr): Mark the mem as unchanging.
542 (load_symptr): Use got_symbolic_operand.
544 2000-07-10 Nick Clifton <nickc@cygnus.com>
546 * libgcc2.c (next_stack_level): Cast result of computation to
547 (void **) so that the assignment does not generate a warning.
549 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
551 * flags.h : Add new variable flag_single_precision_constant.
552 * toplev.c (display_help) : Add -fsingle-precision-constant option.
553 (flag_single_precision_constant): New.
554 * c-lex.c (yylex): Convert floating point constant to single
556 * invoke.texi : Add documentation for this new option.
558 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
560 * diagnostic.c (output_octal): Second parameter is unsigned.
561 (output_long_octal): Likewise.
562 (output_hexadecimal): Likewise.
563 (output_long_hexadecimal): Likewise.
564 (output_format): Adjust arguments extraction. Tweak.
565 (output_verbatim, verbatim): End variable argument list.
566 (report_diagnostic): Improve documentation.
568 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
570 * c-common.h (build_stmt): Declare.
571 (build_continue_stmt): Likewise.
572 (build_break_stmt): Likewise.
573 (build_return_stmt): Likewise.
575 * c-decl.c (do_case): Rewrite to do what previously done in
578 * c-semantics.c (build_stmt): Define.
579 (build_return_stmt): Likewise.
580 (build_break_stmt): Likewise.
581 (build_continue_stmt): Likewise.
582 (build_case_label): Likewise.
584 * c-parse.in (BREAK): Change to build tree, then generate RTL.
585 (CONTINUE): Likewise.
590 * c-parse.y: Regenerate.
591 * c-pasre.c: Likewise.
593 2000-07-09 Jason Merrill <jason@redhat.com>
595 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
597 * tree.h (STRIP_NOPS): Check for error_mark_node.
598 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
599 (dwarf2out_*): Remove duplicate declarations.
601 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
602 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
604 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
606 * diagnostic.c (wrap_text): New function.
607 (maybe_wrap_text): Likewise.
608 (output_add_string): Use it.
609 (output_format): Likewise.
610 (count_error): Use verbatim instead of notice.
611 (report_error_function): Likewise. Don't use plain fprintf.
612 (finish_diagnostic): New function.
613 (output_do_verbatim): Tweak. Commonalize functionalities in
614 output_verbatim and verbatim.
615 (output_verbatim): Adjust.
616 (verbatim): Likewise.
617 (report_diagnostic): Define.
619 * diagnostic.h (report_diagnostic): Prototype.
621 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
623 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
625 2000-07-09 Neil Booth <NeilB@earthling.net>
627 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
628 IShspace, ISspace: Update.
630 * cppinit.c: ISTABLE: Update.
633 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
634 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
635 (skip_block_comment, skip_line_comment, parse_string,
636 lex_line): Use is_vspace rather than IS_NEWLINE.
637 (skip_whitespace, lex_line): Clean up to use is_nvspace.
638 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
640 (lex_next): Unconditionally stop if within a directive.
641 Treat directives within macro invocations as directives
642 (after parse_args emits error), not as the argument.
644 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
646 * diagnostic.c (diagnostic_args): New macro.
647 (diagnostic_msg): Likewise.
648 (output_formatted_integer): Likewise.
649 (output_state): New data type.
650 (digit_buffer): Make global.
651 (output_add_integer): Rename to output_decimal. Squeeze
653 (output_long_decimal, output_unsigned_decimal,
654 output_long_unsigned_decimal, output_octal, output_long_octal,
655 output_hexadecimal, output_long_hexadecimal): New functions.
656 (output_append_r): New function.
657 (output_append): Tweak.
658 (output_flush_on): Rename to output_to_stream.
659 (output_format): Change prototype. Improve documentation. Handle
660 more format specifiers.
661 (build_location_prefix): Rename to context_as_prefix.
662 (output_notice): Rename to output_do_printf.
663 (output_printf): Tweak.
664 (line_wrapper_printf): Likewise.
665 (vline_wrapper_message_with_location): Adjust call to renamed
667 (v_message_with_decl): Likewise.
668 (default_print_error_function): Likewise.
669 (save_output_state): New function.
670 (restore_output_state): Likewise.
671 (output_do_verbatim): Likewise.
672 (output_verbatim): Define.
673 (verbatim): Likewise.
675 * diagnostic.h (printer_fn): Change return type from void to int.
676 Improve documentation.
677 (output_add_integer): Rename to output_decimal.
678 (output_flush_on, output_format): Don't export.
679 (output_verbatim, verbatim): Declare.
681 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
683 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
684 Check whether c divides op1 exactly if operation is not
687 2000-07-08 Richard Henderson <rth@cygnus.com>
689 * final.c (final): Do not abort when reg-stack introduces
692 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
694 * cpplib.h (struct cpp_name): Now struct cpp_string.
695 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
696 CPP_HEADER_NAME): Change to type S.
697 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
698 field, a cpp_hashnode *. All references to val.name updated
699 to use val.str or val.node as appropriate.
700 (struct cpp_reader): Add spec_nodes field.
701 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
703 * cpphash.h (struct spec_nodes): New.
704 (enum spell_type): Reorder. Only SPELL_STRING tokens use
705 val.str. All references to 'spelling > SPELL_NONE' updated to
708 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
709 pfile->buffer->inc are not NULL before dereferencing them.
711 * cpplex.c (parse_name): Take a pointer to the current token,
712 plus current position and limit as args; return the new
713 position; don't copy the text of a name into the string
714 buffer, instead call cpp_lookup and store the node pointer.
715 If extending a token, copy out the text of the old into a
716 scratch buffer, append the new, look that up and store the new
717 node pointer. Inline.
718 (maybe_paste_with_next): If the result of paste is a NAME,
719 then look up the pasted text and store its node pointer.
720 (lex_line): Adjust for new parse_name interface.
721 Check for L"str", L'str' using spec_nodes->n_L.
722 (spell_token): SPELL_IDENT tokens have their spelling in
723 val.node->name. Handle SPELL_STRING tokens that don't have
725 (_cpp_expand_name_space,
726 (can_paste): Check for L ## "str" using spec_nodes->n_L.
727 (cpp_get_token, special_symbol): No need to call cpp_lookup.
728 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
729 return 1=equal 0=not, not a tristate.
731 * cpphash.c (var_args_str): Delete.
732 (find_param): Compare node fields directly.
733 (is__va_args__): Use CPP_PEDANTIC. Just compare
734 token->val.node with spec_nodes->n__VA_ARGS__.
735 (dump_funlike_macro): Don't use var_args_str.
737 * cpplib.c (_cpp_check_directive): Just walk through
738 spec_nodes->dirs comparing pointers.
739 (get_define_node, do_pragma_poison, detect_if_not_defined,
740 parse_ifdef): The identifier has already been looked up.
741 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
743 (do_if): Only call detect_if_not_defined at beginning of file.
744 (_cpp_parse_assertion): Only copy string pointers for
746 (pragma_dispatch): Take a node pointer and examine its name
748 (_cpp_init_stacks): Also initialize the spec_nodes structure.
750 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
752 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
753 reverse order from the corresponding _cpp_init_* routines.
755 * cppexp.c (parse_number, parse_charconst, parse_defined,
756 lex): Check val.node->type instead of calling cpp_defined.
757 Use spec_nodes entries where appropriate.
759 * fix-header.c, scan-decls.c: Update for interface changes.
761 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
763 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
764 emitting aux_truncdfsf2.
766 2000-07-03 Donn Terry (donnte@microsoft.com)
768 * cppinit.c (print_help): split overlong line into ISO C89
771 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
773 * cppexp.c: Update all code for new lexer interface.
774 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
775 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
776 * cpplex.c (token_names): Trim leading CPP_ from names; make
777 the strings unsigned.
778 (_cpp_spell_operator): New.
779 (is_macro_disabled): Disable all macros if rescanning
781 (_cpp_get_directive_token): Remove.
783 * cppinit.c: Don't set no_macro_expand.
784 * cpplib.c (read_line_number, do_line): Check only for EOF,
786 * cpphash.h: Update prototypes.
787 * cpplib.h (CPP_VSPACE): Remove.
788 (struct cpp_reader): Remove no_macro_expand.
790 2000-07-08 Neil Booth <NeilB@earthling.net>
792 * cpphash.c (is__va_args__): New function.
793 (count_params): Fix line reported in error messages. Use
794 is__va_args__. Don't return ')' on error. Flag GNU style
795 rest args macro definitions.
796 (parse_define): Check macro name is not __VA_ARGS__.
797 (save_expansion): Check identifier in non-varargs-macro is
798 not __VA_ARGS__. Don't flag GNU_VARARGS.
799 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
800 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
801 than per-token GNU_VARARGS.
802 * cpplib.h (GNU_VARARGS): Remove.
803 (GNU_REST_ARGS): New.
805 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
807 * i386.md (call_pop, call, call_value_pop): Do not set
808 current_function_uses_pic_offset_table for calls to static
809 functions or indirect calls.
811 2000-07-07 Jim Wilson <wilson@cygnus.com>
813 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
814 is_predicate_reg, then take max write_count of register pair.
816 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
818 * tradcpp.c (main): Rename label `include' to `add_include' to
819 avoid conflicts with variable `include' in traditional C.
821 2000-07-07 Jakub Jelinek <jakub@redhat.com>
823 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
825 2000-07-07 Jakub Jelinek <jakub@redhat.com>
827 * sibcall.c (uses_addressof): Add INMEM argument, check for
828 current_function_internal_arg_pointer outside of MEM rtxs in addition
830 (sequence_uses_addressof): Update caller.
832 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
834 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
837 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
839 * system.h (UNION_INIT_ZERO): New macro for initializing union
842 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
844 2000-07-07 Neil Booth <NeilB@earthling.net>
848 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
850 * final.c (final): Detect out of bounds array access to
851 the insn_lengths array.
853 2000-07-07 Kazu Hirata <kazu@hxi.com>
855 * fold-const.c (fold): Fix a comment typo.
857 2000-07-07 Neil Booth <NeilB@earthling.net>
859 * cpp.texi: Update to new lexer.
861 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
863 * tradcpp.c: New file.
864 * tradcif.y: New file.
865 * tradcif.c: New generated file.
867 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
868 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
869 dependencies of C. Install tradcpp from install-common, in
872 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
874 * cppinit.c: Include cppdefault.h. Refer to
875 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
876 to GCC_INCLUDE_DIR and its length.
877 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
878 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
879 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
881 (include_defaults_array): Move to cppdefault.c.
883 * cppdefault.h: New file.
884 * cppdefault.c: New file.
886 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
887 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
888 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
891 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
893 * reload.c (push_reload): When seeing if can reuse a register,
894 check extra registers against widest of INMODE and OUTMODE.
896 2000-07-06 Neil Booth <NeilB@earthling.net>
898 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
899 based on full length of predicate.
901 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
903 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
904 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
906 2000-07-05 Kazu Hirata <kazu@hxi.com>
908 * h8300-proto.h: Fix formatting.
912 2000-07-05 Jim Wilson <wilson@cygnus.com>
914 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
917 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
919 * invoke.texi: Fix minor typos
920 * md.texi: Fix minor typos
922 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
924 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
926 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
928 * cpplex.c: Don't include sys/mman.h.
929 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
931 * cpplib.c: Include sys/mman.h and obstack.h.
932 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
934 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
935 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
936 bother freeing if stack entries (they will be freed with their buffer).
937 (do_endif): Free if stack entries from the buffer obstack.
938 (push_conditional): Allocate if stack entries from the buffer obstack.
940 (find_answer): Rename to _cpp_find_answer.
941 (do_assert, do_unassert): Update.
943 * cpphash.h: Update prototypes.
944 (xobnew): New convenience macro.
945 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
947 (struct cpp_hashnode): Remove disabled field.
949 * cppinit.c: Don't include hashtab.h or splay-tree.h.
950 (report_missing_guard): Moved to cppfiles.c.
951 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
953 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
954 cpp_cleanup_includes. Don't destroy hashtab or
955 all_include_files here.
956 (cpp_finish): Use _cpp_report_missing_guards.
958 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
959 (_cpp_init_include_table): Rename _cpp_init_includes.
960 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
962 * cppexp.c (parse_assertion): Update for new name of
965 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
967 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
969 * cpplib.c (do_ident): s/VSPACE/EOF/
971 2000-07-05 Neil Booth <NeilB@earthling.net>
973 * cpplex.c: Fix trigraph replacement within strings.
975 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
977 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
979 * xcoffout.c (assign_type_number): Constify.
980 (xcoffout_source_file): Add static prototype. Don't needlessly
981 cast away const-ness.
983 2000-07-04 Jason Merrill <jason@redhat.com>
985 * frame.h (frame_state): Move base_offset to end.
987 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
989 * calls.c (emit_library_call_value_1): Revert previous change.
991 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
993 * fix-header.c (struct partial_proto): Remove unnecessary fields.
994 (recognized_extern, recognized_function, read_scan_file):
995 Update for new scheme.
996 (check_protection): It's still a multiple include guard even
997 if it doesn't always trigger.
998 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1000 * scan.h: Declare struct cpp_token. Update prototypes.
1002 2000-07-03 Neil Booth <neilb@earthling.net>
1003 Zack Weinberg <zack@wolery.cumb.org>
1005 Complete overhaul of the lexer and macro expander.
1007 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1008 arg, arglist, argdata, reflist, collect_objlike_expansion,
1009 collect_funlike_expansion, collect_params,
1010 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1011 unsafe_chars, macarg, compare_defs, special_symbol,
1012 scan_arguments, stringify, funlike_macroexpand,
1013 _cpp_quote_string, monthnames): Delete.
1014 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1015 _cpp_create_definition, _cpp_dump_definition,
1016 dump_hash_helper): Adjust.
1017 (find_param, count_params, parse_define, var_args_str,
1018 check_macro_redefinition, save_expansion): New.
1020 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1021 parse_string, output_line_command, trigraph_replace,
1022 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1023 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1024 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1025 _cpp_skip_rest_of_line): Modify.
1027 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1028 find_position, null_warning, bump_column, expand_name_space,
1029 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1030 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1031 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1032 _cpp_prescan): Delete.
1034 (dump_param_spelling, process_directive, lex_next,
1035 is_macro_disabled, stringify_arg, expand_context_stack,
1036 output_token, make_string_token, alloc_number_token,
1037 special_symbol, duplicate_token, maybe_paste_with_next,
1038 can_paste, prevent_macro_expansion, restore_macro_expansion,
1039 get_temp_token, release_temp_tokens, quote_string,
1040 token_names, token_spellings, _cpp_expand_name_space,
1041 _cpp_glue_header_name, _cpp_reserve_name_space,
1042 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1043 placemarker_token, eof_token, cpp_context, macro_args,
1044 get_raw_token, parse_arg, parse_args, save_token,
1045 push_arg_context, push_macro_context, pop_context,
1046 do_pop_context, free_macro_args, _cpp_get_line,
1047 _cpp_run_directive): New.
1049 * cpplib.c (validate_else, parse_include, push_conditional,
1050 pass_thru_directive, read_line_number, parse_ifdef,
1051 detect_if_not_defined, _cpp_check_directive, do_define,
1052 do_undef, do_include, do_import, do_include_next, do_error,
1053 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1054 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1055 do_pragma_poison, do_pragma_system_header,
1056 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1057 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1058 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1059 cpp_defined): Update for new scheme.
1060 (strtoul_for_line, get_define_node, dump_macro_name,
1061 _cpp_check_linemarker, _cpp_parse_assertion): New.
1062 (_cpp_handle_directive, do_pragma_default): Delete.
1064 * cpphash.h (struct predicate): Now struct answer.
1065 (enum spell_type, struct token_spelling, struct directive,
1066 directive_handler): New.
1067 Update prototypes. Remove unused macros.
1068 * cpplib.h: Update prototypes. Remove unused macros,
1069 structure definitions, and fields.
1071 * cpperror.c (print_containing_files, v_message): Adjust.
1072 * cppexp.c (parse_assertion, lex, parse_escape,
1073 _cpp_parse_expr): Adjust.
1074 * cppfiles.c (open_include_file, _cpp_execute_include,
1075 _cpp_compare_file_date, cpp_read_file, read_include_file):
1077 * cppinit.c (dump_special_to_buffer): Delete.
1078 (append_include_chain, merge_include_chains, cpp_reader_init,
1079 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1080 cpp_finish, handle_option, print_help): Adjust.
1081 * cppmain.c (main): Adjust.
1083 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1085 * cppspec.c (lang_specific_driver): Use double quotes in error
1088 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1090 * calls.c (emit_library_call_value_1): Use valreg instead
1091 of hard_libcall_value.
1093 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1095 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1096 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1097 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1105 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1106 mode instead of wider_mode is being used.
1108 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1110 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1111 of 'r'. Use q_regs_operand.
1112 (andsi_1+2): Use q_regs_operand.
1114 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1116 * builtins.c (get_memory_rtx): Always put into alias set 0.
1118 2000-07-03 Nick Clifton <nickc@cygnus.com>
1120 * config/arm/arm.md: Fix post increment and pre increment
1121 peepholes so that they do not generate UNPREDICATBLE opcodes.
1122 (ie ones where the increment clobbers the source/destination).
1124 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1126 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1127 change too big for -mtiny-stack" a warning, if larger than 63.
1128 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1129 always safe to use on possible future devices.
1130 (function_prologue): Write SPH before SPL, for consistency.
1131 If interrupt_func_p true, we know we have enabled interrupts.
1132 (avr_num_arg_regs): New function. Round up to even number of
1133 bytes if no -mpack-args or if calling a libgcc function.
1134 (function_arg, function_arg_advance): Use it.
1135 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1136 Output "movw" if available.
1137 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1138 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1139 (asm_output_section_name): Add blanks for consistent output.
1140 (encode_section_info): Set TREE_READONLY for progmem data to
1141 avoid gas warnings about changed section attributes.
1142 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1143 even numbered registers on devices with "movw".
1144 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1145 (TARGET_SWITCHES): Mark help strings for translation.
1146 Add new -mpack-args and -menhanced switches.
1147 (TARGET_OPTIONS): Mark help strings for translation.
1148 (progmem_section): Add section attributes.
1149 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1150 Output "movw" if available.
1151 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1153 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1154 call convention (arguments aligned on even registers).
1155 (_cleanup, _exit): Make weak symbols libc can override.
1157 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1159 * fp-bit.h: New file.
1161 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1162 Comment #endif statements.
1163 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1165 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1167 * gcse.c (compute_pre_data): Compute ae_kill using other local
1168 properties instead of calling compute_ae_kill.
1170 * alias.c (init_alias_analysis): Do not call
1171 prologue_epilogue_contains until after reload has completed.
1173 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1175 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1176 (genrtl_finish_compound_stmt): Likewise.
1177 (genrtl_compound_stmt): Change to return void.
1179 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1180 move code from here to ...
1181 (genrtl_compound_stmt): ... here.
1182 (genrtl_finish_compound_stmt): Remove.
1183 (expand_stmt): Add comment.
1185 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1187 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1190 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1192 * cpplib.h (struct cpp_reader): New field include_depth.
1193 (struct cpp_printer): Rename last_bsd to last_id.
1194 * cppfiles.c (read_include_file): Bump include_depth.
1195 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1196 (output_line_command): Output correct #line if a header
1197 is including itself and is not protected against multiple inclusion.
1198 Use include_depth instead of buffer_stack_depth, last_id instead of
1200 * cppinit.c (cpp_start_read): Initialize last_id instead of
1203 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1205 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1206 (c-semantics.o): New target.
1208 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1209 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1210 (genrtl_clear_out_block): Likewise.
1211 (genrtl_goto_stmt): Likewise.
1212 (genrtl_expr_stmt): Likewise.
1213 (genrtl_decl_stmt): Likewise.
1214 (genrtl_if_stmt): Likewise.
1215 (genrtl_while_stmt): Likewise.
1216 (genrtl_do_stmt): Likewise.
1217 (genrtl_return_stmt): Likewise.
1218 (genrtl_for_stmt): Likewise.
1219 (genrtl_break_stmt): Likewise.
1220 (genrtl_continue_stmt): Likewise.
1221 (genrtl_scope_stmt): Likewise.
1222 (genrtl_switch_stmt): Likewise.
1223 (genrtl_case_label): Likewise.
1224 (genrtl_begin_compound_stmt): Likewise.
1225 (gerntl_finish_compound_stmt): Likewise.
1226 (genrtl_compound_stmt): Likewise.
1227 (genrtl_asm_stmt): Likewise.
1228 (genrtl_decl_cleanup): Likewise.
1229 (DECL_ANON_UNION_ELEMS): Likewise.
1230 (emit_local_var): Likewise.
1231 (make_rtl_for_local_static): Likewise.
1232 (expand_cond): Likewise.
1233 (expand_stmt): Likewise.
1234 (c_expand_return): Likewise.
1235 (c_expand_start_case): Likewise.
1236 (do_case): Likewise.
1237 (COMPOUND_STMT_NO_SCOPE): Likewise.
1238 (c_expand_asm_operands): Likewise.
1239 (NEW_FOR_SCOPE_P): New macro.
1240 (expand_expr_stmt_fn): New type.
1242 (set_current_function_name_declared): Likewise.
1243 (current_function_name_declared): Likewise.
1244 (lang_expand_stmt): Likewise.
1245 (stmts_are_full_exprs_p): Likewise.
1246 (anon_aggr_type_p): Likewise.
1247 (lang_expand_expr_stmt): Likewise.
1248 (build_case_label): Likewise.
1250 * c-decl.c (lang_expand_expr_stmt): Initialize.
1251 (stmts_are_full_exprs_p): Define.
1252 (current_function_name_declared): Likewise.
1253 (do_case): Likewise.
1254 (lang_expand_stmt): Likewise.
1255 (set_current_function_name_declared): Likewise.
1256 (anon_aggr_type_p): Likewise.
1258 * c-semantics.c: New file.
1259 (expand_cond): Moved from cp/semantics.c.
1260 (genrtl_do_pushlevel): Likewise.
1261 (genrtl_clear_out_block): Likewise.
1262 (genrtl_goto_stmt): Likewise.
1263 (genrtl_expr_stmt): Likewise.
1264 (genrtl_decl_stmt): Likewise.
1265 (genrtl_if_stmt): Likewise.
1266 (genrtl_while_stmt): Likewise.
1267 (genrtl_do_stmt): Likewise.
1268 (genrtl_return_stmt): Likewise.
1269 (genrtl_for_stmt): Likewise.
1270 (genrtl_break_stmt): Likewise.
1271 (genrtl_continue_stmt): Likewise.
1272 (genrtl_scope_stmt): Likewise.
1273 (genrtl_switch_stmt): Likewise.
1274 (genrtl_case_label): Likewise.
1275 (genrtl_begin_compound_stmt): Likewise.
1276 (genrtl_finish_compound_stmt): Likewise.
1277 (genrtl_compound_stmt): Likewise.
1278 (genrtl_asm_stmt): Likewise.
1279 (genrtl_decl_cleanup): Likewise.
1280 (make_rtl_for_local_static): Moved from cp/decl.c.
1281 (emit_local_var): Likewise.
1282 (expand_stmt): Define.
1284 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1285 (c_expand_return): Likewise.
1286 (c_expand_start_case): Likewise.
1288 2000-07-01 Richard Henderson <rth@cygnus.com>
1290 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1291 with the low 13 bits set.
1292 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1293 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1294 of the low 13 bits into a CONST plus an adddi3.
1295 (load_symptr): Set RTX_UNCHANGING_P.
1297 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1299 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1300 * c-common.c (ridpointers): Declare.
1301 * c-common.h (enum rid): Declare.
1303 (ridpointers): Likewise.
1304 * c-lex.c (ridpointers): Don't declare.
1305 (init_lex): Initialize ridpointers.
1306 * c-lex.h (enum rid): Don't declare.
1308 (RID_FIRST_MODIFIER): Likewise.
1309 (ridpointers): Likewise.
1311 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1313 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1316 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1318 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1321 2000-06-30 Catherine Moore <clm@cygnus.com>
1323 * c-common.c (decl_attributes): Differentiate between
1324 types and type decls for alignment.
1326 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1328 * cpp.texi: Document #pragma GCC dependency
1329 * cppfiles.c (open_include_file): Set date to unknown.
1330 (_cpp_compare_file_date): New function.
1331 (read_include_file): Set file date.
1332 * cpphash.h (struct include_file): Add date member.
1333 (_cpp_compare_file_date): Prototype.
1334 * cpplib.c (parse_include): Add trail parameter. Adjust.
1335 (do_include): Adjust parse_include call.
1336 (do_import): Likewise.
1337 (do_include_next): Likewise.
1338 (gcc_pragmas): Add dependency pragma.
1339 (do_pragma_dependancy): New pragma.
1341 2000-06-29 Jason Merrill <jason@redhat.com>
1343 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1346 2000-06-29 Jim Wilson <wilson@cygnus.com>
1348 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1349 a volatile mem and FR_REGS.
1351 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1353 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1354 * c-common.h (flag_const_strings): Declare.
1355 (warn_format): Likewise.
1356 (flag_traditional): Likewise.
1357 (flag_isoc99): Likewise.
1358 (warn_parentheses): Likewise.
1359 (warn_conversion): Likewise.
1360 (C_TYPE_OBJECT_P): Likewise.
1361 (C_TYPE_INCOMPLETE_P): Likewise.
1362 (C_TYPE_FUNCTION_P): Likewise.
1363 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1364 (C_EXP_ORIGINAL_CODE): Likewise.
1365 (build_unary_op): Likewise.
1366 (build_binary_op): Likewise.
1367 (lvalue_p): Likewise.
1368 (default_conversion): Likewise.
1369 (common_type): Likewise.
1370 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1371 (C_TYPE_INCOMPLETE_P): Likewise.
1372 (C_TYPE_FUNCTION_P): Likewise.
1373 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1374 (C_EXP_ORIGINAL_CODE): Likewise.
1375 (common_type): Likewise.
1376 (default_conversion): Likewise.
1377 (build_binary_op): Likewise.
1378 (build_unary_op): Likewise.
1379 (lvalue_p): Likewise.
1380 (flag_const_strings): Likewise.
1381 (warn_format): Likewise.
1382 (warn_conversion): Likewise.
1383 (flag_traditional): Likewise.
1384 (flag_isoc99): Likewise.
1385 (warn_parentheses): Likewise.
1387 2000-06-29 James E. Wilson <wilson@cygnus.com>
1389 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1391 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1392 same. Only tie XFmode with XFmode.
1394 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1396 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1397 * Makefile.in: Update deps.
1399 2000-06-29 Andrew Haley <aph@cygnus.com>
1401 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1404 2000-06-29 Andrew Haley <aph@cygnus.com>
1406 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1407 bytes: remove the multiply by 8.
1409 2000-06-29 Philipp Thomas <pthomas@suse.de>
1411 * rtl.c : Revert NLS changes.
1412 * gcc.c : Fix bug in display_help introced by my last changes.
1414 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1416 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1417 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1419 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1421 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1423 2000-06-28 Philipp Thomas <pthomas@suse.de>
1425 * c-decl.c : Mark strings for translation.
1426 (parmlist_tags_warning): Use distinct messages instead
1427 of conditional expressions.
1428 * diagnostic.c (v_message_with_decl): Mark string for translation.
1429 * gcc.c: Mark messages for translation.
1430 (display_help): Combine messages into one string where necessary.
1431 * mips-tfile: Add intl.h. Mark messages for translation.
1432 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1433 messages for translation.
1434 * timevar.c: Mark messages for translation.
1435 * tlink.c: Likewise.
1436 * toplev.c: Likewise.
1438 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1440 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1442 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1443 use -isystem instead of -idirafter.
1444 * i386/i386-interix.h: Likewise.
1446 2000-06-28 Jason Merrill <jason@redhat.com>
1448 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1449 unless DWARF2_DEBUGGING_INFO is defined.
1450 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1452 2000-06-28 Richard Henderson <rth@cygnus.com>
1454 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1456 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1458 * cpplex.c (output_line_command): Output correct #line if a header
1459 is including itself and is not protected against multiple inclusion.
1461 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1463 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1464 ENFILE, close all cached file descriptors and try again.
1465 (_cpp_execute_include): Keep a count of the number of times
1466 each header is included.
1467 (close_cached_fd): New function.
1468 * cpphash.h (struct include_file): Rename before to
1469 include_count; all users updated. Make include_count and sysp
1471 * cppinit.c (cpp_finish): If -H, report headers that could use
1473 (report_missing_guard): New function.
1475 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1477 * i386.md (prologue_set_got): Set length_immediate field.
1478 (testqi_ccno_1): Add missing '@' character.
1480 2000-06-27 Jason Merrill <jason@redhat.com>
1482 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1485 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1487 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1488 unsigned macros available.
1490 2000-06-27 Richard Henderson <rth@cygnus.com>
1492 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1493 epilogue_deallocate_stack.
1495 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1496 completers for UNORDERED and ORDERED as well.
1497 * config/ia64/ia64.md (bunordered, bordered): New.
1498 (sunordered, sordered): New.
1500 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1502 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1503 * i386.c (ix86_attr_length_default): Kill.
1504 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1506 * i386-protos.h (ix86_attr_length_default): Kill
1507 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1509 * i386.md (attribute type): Add "test".
1510 (attribute length_prefix): Kill.
1511 (attribute length_opcode): Kill.
1512 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1513 prefix_rep, prefix_0f, modrm): New.
1514 (attribute length): Compute using the new attributes.
1515 (attribute pent_prefix): New.
1516 (attribute pent_pair): Compute using pent_prefix.
1517 (all insn patterns): Set mode,modrm and immediate_length attributes where
1519 (cmpsi patterns): Compute sizes propertly for test instruction.
1520 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1521 (movstricthi_xor, movstrictqi_xor): New patterns.
1522 (andsi/andhi): Use splitters to generate xor instructions.
1523 (xorqi_ext_1): New pattern.
1524 (movstricthi->movstricthi_xor peep2): New.
1526 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1528 * i386.md (addqi_low_1): Remove.
1530 2000-06-27 Philipp Thomas <pthomas@suse.de>
1532 * 1750a.h: Mark help strings for options/switches for translation.
1534 * alpha.h: Likewise.
1537 * riscix.h: Likewise.
1539 * clipper.h: Likewise.
1540 * convex.h: Likewise.
1541 * elxsi.h: Likewise.
1544 * h8300.h: Likewise.
1546 * cygwin.h: Likewise.
1548 * djgpp.h: Likewise.
1550 * osf1elf.h: Likewise.
1551 * osfrose.h: Likewise.
1553 * win32.h: Likewise.
1555 * paragon.h: Likewise.
1559 * mcore.h: Likewise.
1561 * mn10300.h: Likewise.
1562 * ns32k.h: Likewise.
1563 * pdp11.h: Likewise.
1566 * aix41.h: Likewise.
1567 * aix43.h: Likewise.
1569 * rs6000.h: Likewise.
1570 * sysv4.h: Likewise.
1571 * linux.h: Likewise.
1572 * linux64.h: Likewise.
1573 * sp64-elf.h: Likewise.
1574 * sparc.h: Likewise.
1575 * splet.h: Likewise.
1577 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1579 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1580 Properly document option and mark for translation.
1581 * sp86x-elf.h: Likewise.
1583 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1585 Add MMX and SSE registers to i386 machine description.
1586 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1587 ix86_local_alignment): Declare.
1589 * i386.h (TARGET_MMX, TARGET_SSE): New.
1590 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1591 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1592 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1593 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1594 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1595 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1596 (RETURN_IN_MEMORY): Handle MMX/SSE.
1597 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1598 also get stack space.
1599 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1600 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1601 (MMX_REGISTER_NAMES): New.
1602 (ALIGN_MODE_128): New macro.
1603 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1604 (DATA_ALIGNMENT): Likewise.
1605 (LOCAL_ALIGNMENT): Likewise.
1606 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1607 TARGET_MMX/TARGET_SSE.
1608 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1609 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1610 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1611 SSE/MMX regs and something else.
1612 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1613 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1614 3 if moving between MMX regs and something else.
1616 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1617 (regclass_map): Add MMX/SSE registers.
1618 (print_operand): Add code to print XMMWORD as appropriate.
1619 (ix86_split_movdi): Abort for MMX regs.
1620 (init_cumulative_args): Also allow SSE_REGS
1621 (function_arg_advance, function_arg): Likewise
1622 (print_reg): Support 'm'. Add case for TImode.
1623 (override_options): TARGET_SSE implies TARGET_MMX.
1624 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1627 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1629 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1631 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1632 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1634 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1636 * ssa.c (struct rename_set_data): Change the name of field
1637 'set_dest' to 'old_reg'. Add comments.
1638 (struct rename_context): Change the name of 'set_data' to
1639 'new_renames'. Add new field 'done_renames'.
1640 (create_delayed_rename): New function.
1641 (apply_delayed_renames): New function.
1642 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1643 SUBREGs and similar by emitting a move.
1644 (new_registers_for_updates): Delete, functionality moved to
1645 apply_delayed_renames.
1646 (rename_block): Handle moves emitted by rename_insn_1 by putting
1647 them into a SEQUENCE with the original insn. Add sanity checks
1649 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1650 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1652 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1653 Jason Merrill <jason@redhat.com>
1655 * dwarf2.h (enum dwarf_call_frame_info): Add
1656 DW_CFA_def_cfa_expression.
1657 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1658 dw_loc_descr_struct entry.
1659 (struct cfa_loc): New structure to track a CFA location.
1660 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1661 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1662 offset, plus handle DW_CFA_def_cfa_expression.
1663 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1665 (dwarf2out_def_cfa): Entry point maintained for compatability.
1666 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1667 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1668 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1669 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1671 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1672 sequences for the new DW_CFA_def_cfa_expression record.
1673 (dwarf2out_frame_debug): Use new variables/fields.A
1674 (output_cfi): Handle DW_CFA_def_cfa_expression.
1675 (output_cfa_loc): New function to generate a CFI record for
1676 DW_CFA_def_cfa_expression.
1677 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1678 a dw_loc_descr sequeunce.
1679 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1680 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1681 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1682 unwind info section.
1683 * frame.h (frame_state): Add base_offset and indirect fields.
1684 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1685 dw_loc_descr operation.
1686 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1687 (struct frame_state): Add base offset and indirect fields.
1688 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1690 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1692 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1693 Make warnings about implicit int be pedwarns in C99. Don't warn
1694 about duplicate type qualifiers in C99.
1695 (start_function): Make warning about implict int return type be a
1697 * c-lex.c (yylex): Don't warn about `long long' in C99.
1698 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1699 `return' with no value in function returning non-void.
1701 2000-06-26 Richard Henderson <rth@cygnus.com>
1703 * c-typeck.c (pedwarn_c99): New.
1704 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1705 * toplev.h: Prototype them.
1707 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1709 * c-typeck.c (digest_init): Return error_mark_node node when
1710 TREE_TYPE (init) == error_mark_node.
1712 2000-06-26 Philipp Thomas <pthomas@suse.de>
1714 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1715 test for msgfmt without path instead.
1716 * configure: Rebuilt.
1718 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1720 * gengenrtl.c (special_rtx): Fix typo in comment.
1722 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1724 * mklibgcc.in (LIB2FUNCS): Add missing space.
1726 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1728 * tree.h (enum tree_index): Add vector type nodes.
1729 Add accessor macros for them.
1730 (TYPE_REPRESENATION_TYPE): New macro.
1731 * tree.c (build_common_tree_nodes_2): Build these nodes.
1732 (finish_vector_type): New function.
1733 * c-common.c (type_for_mode): Handle vector modes.
1734 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1736 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1737 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1738 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1739 (gen_type_die): Likewise.
1740 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1741 (fundamental_type_code): Likewise.
1742 (type_is_fundamental): VECTOR_TYPEs aren't.
1743 (output_type): Handle VECTOR_TYPEs.
1745 2000-06-25 Kazu Hirata <kazu@hxi.com>
1747 * config/arm.c: Fix a comment typo.
1748 * config/arm.h: Likewise.
1750 2000-06-25 Philipp Thomas <pthomas@suse.de>
1752 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1754 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1755 * configure: Rebuilt.
1757 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1759 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1761 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1763 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1766 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1768 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1770 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1772 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1774 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1776 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1777 last_unconditional_cleanup.
1779 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1781 * tree.def (VECTOR_TYPE): New node type.
1782 * tree.h: Adjust some comments to reflect addition of vector types.
1783 (TYPE_VECTOR_SUBPARTS): New macro.
1784 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1785 * c-convert.c (convert): Likewise.
1786 * convert.c (convert_to_integer): Handle vector modes.
1787 (convert_to_vector): New function.
1788 * convert.h (convert_to_vector): Declare.
1789 * expr.c (convert_move): Handle vector modes.
1790 * expmed.c (extract_bit_field): Don't abort for vector modes.
1792 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1794 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1795 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1796 New functions, common code moved from function_{prologue,epilogue}
1797 and extended to support the -mtiny-stack option.
1798 (function_prologue, function_epilogue): Use them.
1799 Use lo8/hi8 consistently for asm output readability.
1800 (avr_hard_regno_mode_ok): New function.
1801 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1802 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1803 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1804 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1805 Write SPH before SPL.
1806 (*movqi): No need to disable interrupts for just one "out"
1807 in alternative 5. Change length attribute from 4 to 1.
1808 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1809 Write SPH before SPL.
1811 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1813 * rtl.texi (Vector Operations): New node.
1814 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1815 (Conversions): Add ss_truncate, us_truncate.
1816 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1817 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1818 US_TRUNCATE): New rtx codes.
1819 * machmode.def: Add vector modes.
1820 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1822 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1823 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1824 (VECTOR_MODE_P): New.
1826 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1828 * cpp.texi: Clarify #pragma GCC namespace.
1830 2000-06-24 Philipp Thomas <pthomas@suse.de>
1832 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1833 all catalogs specified in ALL_LINGUAS.
1834 * configure: Rebuilt.
1836 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1838 * config/sparc/sparc.md (reload_outdi+1): Handle
1839 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1840 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1842 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1844 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1845 struct vs. scalar-ness when -fno-strict-aliasing.
1847 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1849 * cpplib.c (struct pragma_entry): New structure.
1850 (pragma_dispatch): Pragma dispatcher.
1851 (top_pragmas, gcc_pragmas): New static variables.
1852 (do_pragma): Use pragma_dispatch.
1853 (do_pragma_gcc): New pragma handler.
1856 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1858 * calls.c (compute_argument_addresses): Force stack slots into
1860 * expr.c (emit_push_insn): Force pushes into alias set 0.
1862 2000-06-23 Richard Henderson <rth@cygnus.com>
1864 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1865 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1867 2000-06-22 Jason Merrill <jason@redhat.com>
1869 * toplev.c (compile_file): Always call timevar_print.
1870 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1872 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1874 * varasm.c (constant_descriptor): Make contents unsigned char.
1875 (mark_const_hash_entry): Adjust.
1876 (const_hash): Just hash the code of unknown nodes.
1877 (compare_constant_1): Adjust for unsigned char.
1878 Use language specific expander on unknown nodes.
1879 (record_constant_1): Likewise.
1881 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1883 * cppfiles.c (cpp_make_system_header): New function.
1884 * cpplib.h: Prototype it.
1885 * cpplib.c (do_line, do_pragma_system_header): Use it.
1886 * fix-header.c (read_scan_file): Use it.
1888 * fix-header.c (check_macro_names): Cast second arg of
1889 cpp_defined to const unsigned char *.
1890 (read_scan_file): Make getchar_call const unsigned char.
1892 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1894 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1895 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1896 (destroy_include_file_node): New.
1897 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1898 Create a splay tree, not a hash table.
1899 (open_include_file): Look up the path in the include table,
1900 do the multiple include optimization here, etc.
1901 (cpp_included): Walk the path.
1902 (find_include_file): Just walk the path calling
1903 open_include_file, or call it directly for an absolute path.
1904 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1906 (read_include_file): Update for new scheme. Don't close the
1907 file unless reading fails.
1908 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1910 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1911 (struct include_file): New.
1912 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1914 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1917 * cppinit.c: Include splay-tree.h.
1918 (cpp_reader_init, cpp_cleanup): Update.
1920 * cpplib.h (struct cpp_buffer): Change ihash field to
1921 'struct include_file *inc'. Remove system_header_p.
1922 (struct cpp_reader): Change all_include_files to a
1923 struct splay_tree_s *.
1925 * cpplex.c: Update all references to cpp_buffer->ihash and/or
1926 cpp_buffer->system_header_p.
1927 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
1929 * Makefile.in (SPLAY_TREE_H): New macro.
1930 (cppfiles.o, cppinit.o): Update dependencies.
1932 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
1934 * invoke.texi (g++): "g++" is not a script anymore.
1936 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1938 * function.c (round_down): Delete obsolete prototype.
1940 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
1942 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
1944 * configure.in: Use 'test a = b' not 'test a == b'.
1947 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
1949 * Makefile.in: Remove all references to HOST_INTLLIBS.
1951 * cpplex.c (parse_name): Don't warn about $ in identifiers if
1954 2000-06-20 Philipp Thomas <pthomas@suse.de>
1956 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
1959 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1961 * Take REG_INC notes into account.
1963 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
1965 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
1966 (primary: IDENTIFIER): Just call build_external_ref.
1967 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1969 * c-lex.c (lastiddecl): Remove.
1970 (yylex): Replace all instances of lastiddecl with local
1973 * c-typeck.c (build_external_ref): New function. Treat decls
1974 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
1975 Look up the decl from the id here. Call lookup_objc_ivar.
1976 * c-lang.c (lookup_objc_ivar): Stub.
1977 * objc/objc-act.c (lookup_objc_ivar): New function.
1979 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
1980 * c-lex.h: Don't declare lastiddecl.
1982 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
1984 * c-common.h (IF_COND): Added documentation.
1985 (THEN_CLAUSE): Likewise.
1986 (ELSE_CLAUSE): Likewise.
1987 (WHILE_COND): Likewise.
1988 (WHILE_BODY): Likewise.
1989 (DO_COND): Likewise.
1990 (DO_BODY): Likewise.
1991 (RETURN_EXPR): Likewise.
1992 (EXPR_STMT_EXPR): Likewise.
1993 (FOR_INIT_STMT): Likewise.
1994 (FOR_COND): Likewise.
1995 (FOR_EXPR): Likewise.
1996 (FOR_BODY): Likewise.
1997 (SWITCH_COND): Likewise.
1998 (SWITCH_BODY): Likewise.
1999 (CASE_LOW): Likewise.
2000 (CASE_HIGH): Likewise.
2001 (GOTO_DESTINATION): Likewise.
2002 (COMPOUND_BODY): Likewise.
2003 (ASM_CV_QUAL): Likewise.
2004 (ASM_STRING): Likewise.
2005 (ASM_OUTPUTS): Likewise.
2006 (ASM_INPUTS): Likewise.
2007 (ASM_CLOBBERS): Likewise.
2008 (DECL_STMT_DECL): Likewise.
2009 (STMT_EXPR_STMT): Likewise.
2010 (LABEL_STMT_LABEL): Likewise.
2012 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2013 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2014 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2015 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2017 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2019 * configure.in (--enable-checking): Update --help doc to reflect
2020 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2022 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2024 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2026 * function.c (put_var_into_stack): Don't reference DECL_ fields
2027 if input is a SAVE_EXPR.
2028 Use set_mem_attributes in COMPLEX case.
2030 2000-06-18 Richard Henderson <rth@cygnus.com>
2032 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2033 (ia64_file_start): Declare.
2034 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2035 (GR_REGNO_P): Likewise.
2036 * config/ia64/ia64.c: Many prototypes.
2037 (ia64_reg_numbers): Constify.
2038 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2039 (ia64_section_threshold): Make unsigned.
2040 (ia64_print_operand): Constify.
2041 (fix_range): Constify.
2042 (ia64_init_builtins): Don't compare signed vs unsigned.
2043 (ia64_expand_builtin): Likewise.
2045 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2046 (CONSTRAINT_OK_FOR_Q): New.
2047 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2048 (movsf_internal, movdf_internal): Likewise.
2049 (cmovdi_internal): Rewrite so that constraints and predicates match;
2051 (cmovsi_internal): Likewise.
2053 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2054 (ASM_FILE_START): New.
2055 * config/ia64/ia64.c (ia64_file_start): New.
2056 (rtx_needs_barrier): Handle pred.rel.mutex.
2057 (emit_predicate_relation_info): New.
2058 * config/ia64/ia64.md (pred_rel_mutex): New.
2059 * config/ia64/linux.h (ASM_SPEC): Define.
2060 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2062 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2063 filtering global register variables.
2065 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2067 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2069 2000-06-17 Michael Meissner <meissner@redhat.com>
2071 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2072 not present and there is a field after a '-'.
2074 2000-06-17 Bruce Korb <bkorb@gnu.org>
2076 * fixinc/check.tpl: finish the implementation of multiple tests
2078 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2079 (io_quotes_def): add a second test
2080 (various): reorder `files' so that "limits.h" is never first
2081 * fixinc/tests/base/*: update the testing output
2083 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2085 * gcc.texi: Remove reference to stupid.c.
2087 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2089 * c-common.c (c_tree_code_type): New array.
2090 (c_tree_code_length): Likewise.
2091 (c_tree_code_name): Likewise.
2092 (add_c_tree_codes): New function.
2094 * c-common.h (add_c_tree_codes): Declare.
2095 (enum c_tree_code): New enum.
2097 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2099 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2101 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2102 select pattern to also match macro defs with only one argument.
2104 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2106 * i386.md: Create new [right,left] rotate and right shift
2107 patterns to optimize shift by 1 bit for certain ia32 processors.
2108 Update patterns which perform left shifts to optimize shift by
2109 1 bit for certain ia32 processors.
2110 * i386.c (const_int_1_operand): New predicate.
2111 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2112 * i386-protos.h (const_int_1_operand): Prototype.
2114 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2116 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2118 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2120 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2123 2000-06-14 Richard Henderson <rth@cygnus.com>
2125 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2127 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2130 * print-rtl.c (print_rtx): Emit space before mem alias set.
2132 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2134 * rs6000.c (expand_block_move): Fix typo in earlier change.
2135 (print_operand): Remove unused variables neg and op.
2136 (toc_hash_mark_entry): Fix prototype.
2138 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2140 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2141 (THEN_CLAUSE): Likewise.
2142 (ELSE_CLAUSE): Likewise.
2143 (WHILE_COND): Likewise.
2144 (WHILE_BODY): Likewise.
2145 (DO_COND): Likewise.
2146 (DO_BODY): Likewise.
2147 (RETURN_EXPR): Likewise.
2148 (EXPR_STMT_EXPR): Likewise.
2149 (FOR_INIT_STMT): Likewise.
2150 (FOR_COND): Likewise.
2151 (FOR_EXPR): Likewise.
2152 (FOR_BODY): Likewise.
2153 (SWITCH_COND): Likewise.
2154 (SWITCH_BODY): Likewise.
2155 (CASE_LOW): Likewise.
2156 (CASE_HIGH): Likewise.
2157 (GOTO_DESTINATION): Likewise.
2158 (COMPOUND_BODY): Likewise.
2159 (ASM_CV_QUAL): Likewise.
2160 (ASM_STRING): Likewise.
2161 (ASM_OUTPUTS): Likewise.
2162 (ASM_INPUTS): Likewise.
2163 (ASM_CLOBBERS): Likewise.
2164 (DECL_STMT_DECL): Likewise.
2165 (STMT_EXPR_STMT): Likewise.
2166 (LABEL_STMT_LABEL): Likewise.
2167 (SCOPE_BEGIN_P): Likewise.
2168 (SCOPE_END_P): Likewise.
2169 (SCOPE_STMT_BLOCK): Likewise.
2170 (SCOPE_NULLIFIED_P): Likewise.
2171 (SCOPE_NO_CLEANUPS_P): Likewise.
2172 (SCOPE_PARTIAL_P): Likewise.
2173 (ASM_VOLATILE_P): Likewise.
2174 (STMT_LINENO): Likewise.
2175 (STMT_LINENO_FOR_FN_P): Likewise.
2177 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2178 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2179 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2180 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2181 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2183 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2185 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2187 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2188 writable in parts of the GCC code.
2190 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2191 specification match cast.
2193 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2195 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2196 * configure, config.in: Rebuilt.
2197 * sys-protos.h: Similarly.
2199 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2201 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2202 * basic-block.h (EDGE_COMPLEX): ... here.
2204 * loop.c (check_dbra_loop): Specify the register when
2205 generating REG_NONNEG notes and don't generate duplicates.
2207 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2209 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2210 (struct tree_type, struct tree_decl): Add user_align member.
2211 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2212 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2213 and DECL_USER_ALIGN 0, cap alignment to this value.
2214 (place_field): Likewise.
2215 (finalize_type_size): Set TYPE_USER_ALIGN.
2216 (layout_type): Likewise.
2217 (initialize_sizetypes): Likewise.
2218 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2219 DECL_USER_ALIGN to 1.
2220 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2221 (xfer_tag): Set TYPE_USER_ALIGN.
2222 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2223 (finish_enum): Likewise.
2224 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2225 (expand_anon_union_decl): Likewise.
2226 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2227 (build_index_type): Set TYPE_USER_ALIGN.
2228 (build_range_type): Likewise.
2229 (build_common_tree_nodes_2): Likewise.
2230 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2232 2000-06-13 Andreas Jaeger <aj@suse.de>
2234 * configure.in: Use --enable-checking=misc,tree,gc by default if
2235 no --enable-checking option is given and for
2236 --enable-checking=yes.
2237 * configure: Rebuilt.
2239 2000-06-13 Richard Henderson <rth@cygnus.com>
2241 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2242 (__throw): Don't pass the address of a label.
2244 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2245 current_function_is_leaf.
2246 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2247 instead of reg_names[RETURN_ADDRESS_REGNUM].
2248 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2249 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2250 from RETURN_ADDRESS_REGNUM. Update all uses.
2251 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2252 zero instead of null on failure.
2253 (ELIMINABLE_REGS): Add ra->b0 elimination.
2254 (CAN_ELIMINATE): Update accordingly.
2255 (INITIAL_ELIMINATION_OFFSET): Likewise.
2256 (REGISTER_NAMES): Use an illegal assembler name for
2257 RETURN_ADDRESS_POINTER_REGNUM.
2259 2000-06-13 Richard Henderson <rth@cygnus.com>
2261 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2262 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2263 (REG_CLASS_NAMES): Likewise.
2264 (REG_CLASS_CONTENTS): Likewise.
2265 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2266 (HARD_REGNO_MODE_OK): Remove references to them.
2267 (REGNO_REG_CLASS): Likewise.
2268 (REG_CLASS_FROM_LETTER): Likewise.
2269 (CLASS_MAX_NREGS): Likewise.
2270 (REGISTER_MOVE_COST): Likewise.
2271 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2272 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2273 (movqi_internal): Special case moves from zero.
2274 (movhi_internal, movsi_internal): Likewise.
2275 (movdi_internal): Likewise. Fill out "f" constraints.
2276 (movsf_internal): Fill out "r" constraints.
2277 (movdf_internal): Likewise.
2279 2000-06-13 Richard Henderson <rth@cygnus.com>
2281 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2282 alive before reload.
2284 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2285 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2286 (remove_dependence): Always define.
2287 (set_sched_group_p): New.
2288 (sched_analyze_2): Use it.
2289 (sched_analyze_insn): Don't special-case naked uses. Look for
2290 and extend in_post_call_group_p.
2291 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2292 (init_deps): Clear in_post_call_group_p.
2294 2000-06-13 Richard Henderson <rth@cygnus.com>
2296 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2297 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2298 and hard-coded tests.
2299 (simplify_set): Likewise.
2300 (gen_lowpart_for_combine): Likewise.
2301 * emit-rtl.c (gen_lowpart_common): Likewise.
2302 * global.c (find_reg): Likewise.
2303 * local-alloc.c (find_free_reg): Likewise.
2304 * recog.c (register_operand): Likewise.
2305 * regclass.c (init_reg_sets_1): Likewise.
2306 (record_operand_costs, regclass): Likewise.
2307 * reload.c (push_reload): Likewise.
2308 * reload1.c (choose_reload_regs): Likewise.
2309 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2310 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2311 Update all references.
2312 * regs.h (struct reg_info_def): Likewise.
2313 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2314 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2315 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2317 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2318 (CLASS_CANNOT_CHANGE_MODE_P): New.
2319 * config/mips/mips.h: Likewise.
2320 * config/pa/pa32-regs.h: Likewise.
2321 * config/pa/pa64-regs.h: Likewise.
2322 * config/rs6000/rs6000.h: Likewise.
2323 * config/sh/sh.h: Likewise.
2324 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2325 (CLASS_CANNOT_CHANGE_MODE_P): New.
2326 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2327 * config/d30v/d30v.h: Likewise.
2329 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2331 * configure.in: Add AC_TYPE_GETGROUPS test.
2332 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2333 * configure: Rebuilt.
2334 * config.in: Rebuilt.
2336 2000-06-13 Richard Henderson <rth@cygnus.com>
2338 * explow.c (set_mem_attributes): Do nothing for NULL type.
2340 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2342 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2345 2000-06-13 James E. Wilson <wilson@cygnus.com>
2347 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2349 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2351 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2353 2000-06-13 Philipp Thomas <pthomas@suse.de>
2355 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2356 * configure: Rebuilt.
2358 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2360 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2361 We now default to ELF for the i386, and a.out is the special case.
2362 * configure: Rebuilt.
2364 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2366 * final.c (final_scan_insn): Delete notes between cc0 setter and
2367 user when restarting from setter.
2369 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2371 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2372 cast to squelch signed/unsigned warnings.
2374 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2376 * cpplib.c (handle_directive): Print non-NUL-terminated string
2379 2000-06-12 Michael Meissner <meissner@redhat.com>
2381 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2382 path if the machine needs extra support to do conditional
2385 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2387 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2388 to print the alias set.
2389 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2391 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2393 * config/float-vax.h: Add GFLOAT defines.
2395 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2397 * configure.in: Update tm dependencies for MPE.
2398 * configure: Rebuilt.
2400 2000-06-12 H.J. Lu <hjl@gnu.org>
2402 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2404 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2406 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2407 (CPP_SPEC): Change mthreads to pthread.
2408 (LIB_SPEC): Likewise.
2409 (STARTFILE_SPEC): Likewise.
2410 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2411 (CPP_SPEC): Change mthreads to pthread.
2412 (LIB_SPEC): Likewise.
2413 (STARTFILE_SPEC): Likewise.
2414 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2415 * rs6000.c (reg_or_arith_cint_operand): New.
2416 (num_insns_constant_wide): Decorate unsigned constant.
2417 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2418 * rs6000.md (addsi3): Use new predicate.
2419 (subsi3, adddi3, subdi3): Likewise.
2421 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2423 * c-common.c (lang_get_alias_set): Fix typo.
2425 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2427 * flow.c (mark_used_regs): Revert last change.
2428 (life_analysis): Remove PROP_AUTOINC if running after reload.
2429 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2431 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2433 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2436 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2438 * bb-reorder.c (build_scope_forest): Initialize variable
2441 * calls.c (expand_call): Likewise for variables
2442 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2444 * i386.c (function_arg_advance, function_arg): Cast to avoid
2445 signed/unsigned warnings.
2447 * i386.h (MEMORY_MOVE_COST): Likewise.
2449 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2450 `else_start' and `else_end'.
2452 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2454 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2456 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2458 * Makefile.in (libintl.a): Depend on intl.all.
2460 2000-06-09 H.J. Lu (hjl@gnu.org)
2462 * Makefile.in (c-parse.o): Also depend on output.h.
2464 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2466 * mcore-protos.h: discards const warning removal.
2467 * mcore.c: discards const warning removal.
2469 2000-06-09 Kazu Hirata <kazu@hxi.com>
2471 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2472 the beginning of the file.
2474 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2476 * real.h: Add prototype for ldexp.
2478 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2480 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2481 it ggc_alloc, drop second argument, never clear returned memory.
2482 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2483 (ggc_alloc_cleared): New.
2484 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2485 ggc_alloc_obj. Remove ggc_alloc macro.
2486 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2488 * rtl.c (rtvec_alloc): Clear the vector always.
2489 (rtx_alloc): Clear the first word always. Remove dirty
2490 obstack tricks (this routine is no longer a bottleneck).
2491 * tree.c (make_node): Clear the new node always.
2492 (make_tree_vec): Likewise.
2493 (tree_cons): Clear the common structure always.
2494 (build1): Likewise; also, clear TREE_COMPLEXITY.
2495 * gengenrtl.c: Use puts wherever possible. Remove extra
2497 (gendef): Clear the first word of an RTX in the generator
2498 function, irrespective of ggc_p. Initialize '0' slots to
2500 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2501 thin wrapper macro around obstack_alloc.
2503 * stmt.c (expand_fixup): Use ggc_alloc.
2504 * c-typeck.c (add_pending_init): Use ggc_alloc.
2505 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2506 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2507 const0_rtx when it is created.
2508 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2509 we are not in a function.
2511 * tree.c (tree_class_check_failed): Make second arg an int.
2512 * tree.h: Update prototype.
2514 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2516 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2517 of an error_mark_node.
2519 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2521 * config/avr/avr.c (asm_output_section_name): bugfix.
2523 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2525 * timevar.def: Add TV_EXPAND.
2526 * timevar.c (timevar_print): Update timing information.
2527 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2529 * stmt.c (expand_return): Check for error_mark_node.
2531 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2533 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2535 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2536 variable against filename expansion when it contains "char *".
2538 * system.h (SSIZE_MAX): Delete backup definition.
2540 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2541 instead of SSIZE_MAX.
2543 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2545 * configure.in: Check whether gas supports -relax.
2546 * configure, config.in: Rebuilt.
2547 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2548 (EXTRA_SPECS): Add asm_relax.
2549 (ASM_SPEC): Add %(asm_relax).
2550 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2551 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2552 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2553 (ASM_SPEC): Add %(asm_relax).
2554 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2555 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2556 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2557 instead of mov, so that gas can further optimize it.
2559 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2561 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2563 (value_format, case dw_val_class_const): Use sdata format.
2564 (output_die): Call output_sleb128.
2566 2000-06-08 James E. Wilson <wilson@cygnus.com>
2568 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2569 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2570 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2571 (output_die, case dw_val_class_unsigned_const): Correct call to
2572 ASM_OUTPUT_DWARF_DATA8.
2573 (output_die, case dw_val_class_long_long): Use
2574 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2575 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2578 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2579 (output_function_prologue): Fix mispelling.
2580 (output_function_prologue, output_function_epilogue): Reorder to
2581 match ia64.c definition order.
2582 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2583 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2584 Use r3 instead of r2 for large stack restores.
2585 (ia64_output_end_prologue): New function.
2586 (process_set): Emit ".restore sp" for epilogue stack restores.
2587 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2589 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2591 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2594 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2596 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2598 2000-06-08 Denis Perchine <dyp@perchine.com>
2600 * frame.c (start_fde_sort): Don't malloc (0).
2602 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2604 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2606 * print-tree.c (print_node): The transparent_union_flag means
2607 different things for unions and arrays. Do not inspect it
2608 with TYPE_TRANSPARENT_UNION.
2610 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2612 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2615 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2617 * config/avr/avr.c (asm_output_section_name): output section
2619 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2621 2000-06-06 James E. Wilson <wilson@cygnus.com>
2623 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2624 fields into header field.
2625 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2626 macros to access length, flags, and version info from header field.
2627 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2628 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2629 (__do_global_ctors_aux): Fix caller.
2630 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2631 prologue_flag to header. Pass to read_P_record.
2632 (read_P_record): New argument header. Implement P4 format.
2633 Multiply P7_T_SIZE by 16.
2634 (execute_one_ia64_descriptor): New static local region_header. Pass to
2635 get_unwind_record. Copy r to region_header if r is a header record.
2636 (print_all_records): Likewise.
2637 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2638 (__get_personality, __get_except_table): Likewise.
2639 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2641 2000-06-06 Philipp Thomas <pthomas@suse.de>
2643 * configure.in (AC_C_INLINE): Added.
2644 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2645 * configure: Regenerate.
2647 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2649 * c-common.h (c_language_kind): New type.
2650 (c_language): New variab.e
2651 * c-common.c (lang_get_alias_set): Don't put structures in
2652 non-zero alias sets in C++.
2653 * c-decl.c (c_language): Define it.
2654 * c-lex.c (doing_objc_thang): Remove.
2655 * c-tree.h (doing_objc_thang): Make it a macro.
2656 * objc/objc-act.c (lang_decode_option): Set c_language, not
2659 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2661 * diagnostic.c (output_maximum_width): Remove.
2662 (doing_line_wrapping): Tweak.
2663 (diagnostic_buffer): New object.
2664 (global_output_buffer): New object.
2665 (output_destroy_prefix): New function.
2666 (default_initialize_buffer): Likewise.
2667 (reshape_diagnostic_buffer): Likewise.
2668 (initialize_diagnostics): Likewise.
2669 (output_clear): Tweak.
2670 (line_wrapper_printf): Adjust call to init_output_buffer.
2671 (vline_wrapper_message_with_location): Likewise. Use
2672 output_destroy_prefix.
2673 (v_message_with_decl): Likewise.
2675 * diagnostic.h (struct output_buffer): Constify prefix.
2676 (init_output_buffer, output_get_prefix): Constify.
2677 (diagnostic_message_length_per_line): Likewise.
2678 (reshape_diagnostic_buffer): Declare.
2679 (default_initialize_buffer): Declare.
2680 (initialize_diagnostics): Declare.
2681 (diagnostic_buffer): Declare new obbject.
2683 * toplev.c: #include diagnostic.h
2684 (display_help): Document diagnostic formatting options.
2685 (decode_f_option): Handle diagnostic formatting options.
2686 (main): Setup initialization for diagnostic messages outputter.
2688 * toplev.h (set_message_length): Remove.
2690 * Makefile.in (toplev.o): Depends upon diagnostic.h
2692 * invoke.texi : Document diagnostics formatting options.
2694 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2696 * configure.in (Make the links): Typo fix : the file that must be
2697 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2698 * configure: File rebuilt.
2700 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2702 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2703 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2705 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2706 emergency eh_context buffer, if malloc fails.
2707 (__eh_free): Moved from cp/exception.cc. Release to emergency
2708 eh_context buffer, if appropriate.
2710 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2712 * expr.c (store_expr): Fix typo.
2714 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2716 * m68k.c (legitimize_pic_address): Move prototype ...
2718 * m68k-protos.h (legitimize_pic_address): ... here.
2720 * m68k.md (legitimize_pic_address): Delete prototypes.
2721 (untyped_call): Invoke GEN_CALL(), not gen_call().
2723 * nextstep.c: Include system.h and toplev.h.
2724 (get_directive_line): Don't prototype.
2725 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2727 * nextstep.h (handle_pragma): Prototype.
2728 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2729 objc_section_init ...
2730 (EXTRA_SECTION_FUNCTIONS): ... here.
2732 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2734 * sdbout.c (struct sdb_file): NAME now const.
2735 (sdbout_init): input_file_name now const.
2736 (sdbout_start_new_source_file): FILENAME now const.
2737 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2739 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2741 * c-typeck.c (build_conditional_expr): Handle complex data types.
2743 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2745 * explow.c (maybe_set_unchanging): New function, broken out from...
2746 (set_mem_attributes): Here.
2747 * expr.h: Declare it.
2748 * stmt.c (expand_decl): Call it.
2750 2000-06-05 Richard Henderson <rth@cygnus.com>
2752 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2753 while looking for a register to inherit from.
2755 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2757 * Makefile.in (libgcc.ready): Lose.
2758 (libgcc.mk): Just use mv, not move-if-change.
2759 (LIBGCC_DEPS): New macro.
2761 (stmp-multilib): Likewise.
2762 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2763 it rather than the directories themselves.
2764 (LIB2ADD): Depend on the list file rather than 'force'.
2766 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2767 cv-qualified versions of types.
2769 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2771 * config/sparc/sparc.c (short_branch): Correct error in range
2774 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2776 * fixinc/inclhack.def: New include hacks for ultrix.
2777 * (nested_ultrix): Replaced by ultrix_nested_svc.
2778 * (ultrix_atof_param): test_text string added.
2779 * (ultrix_ifdef): Modified select string.
2781 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2783 * objc/objc-act.c (generate_method_descriptors): Register
2784 objc_method_prototype_template as a GC root.
2785 (comp_method_with_proto): Register function_type as a GC root.
2786 (comp_proto_with_proto): Replace function_type1 and
2787 function_type2 with a two-element array; register it as a GC root.
2789 (generate_protocols, build_protocol_initializer,
2790 generate_protocol_list, build_category_initializer,
2791 build_shared_structure_initializer): Do not cache cast_type
2794 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2796 * function.c (assign_parms): Add missing argument to set_mem_attributes
2799 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2801 * tree.h (VOID_TYPE_P): New macro.
2802 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2803 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2804 (get_parm_info): Likewise.
2805 (store_parm_decls): Likewise.
2806 (combine_parm_decls): Likewise.
2807 (finish_function): Likewise.
2808 * c-typeck.c (build_function_call): Likewise.
2809 (build_binary_op): Likewise.
2810 (build_conditional_expr): Likewise.
2811 (internal_build_compound_expr): Likewise.
2812 (convert_for_assignment): Likewise.
2813 * stmt.c (expend_expr_stmt): Likewise.
2814 (warn_if_unused_value): Likewise.
2815 (expand_return): Likewise.
2816 * c-parse.in (primary): Likewise.
2817 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2818 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2820 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2822 * alias.c (get_alias_set): If compnent is addressable, use alias
2824 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2825 (grokdeclarator): Likewise.
2826 * c-typeck.c (common_type): Likewise.
2828 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2830 * Makefile.in (OBJS): Remove dyn_string.o
2831 (dyn-string.o): Delete rule.
2832 * dyn-string.c: Delete file
2833 * dyn-string.h: Likewise.
2835 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2837 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2840 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2842 * alias.c (record_component_aliases): Don't inspect
2843 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2845 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2847 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2848 it with the pattern to do machine dependent work.
2849 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2850 use it to modify the true/false tests used in conditional
2851 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2852 defined, invoke them if the conversion to conditional execution
2853 was successful or not.
2855 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2856 (IFCVT_MODIFY_INSN): Ditto.
2857 (IFCVT_MODIFY_FINAL): Ditto.
2858 (IFCVT_MODIFY_CANCEL): Ditto.
2860 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2862 * toplev.c (main): Fix misspellings of possibility and language.
2864 2000-06-03 Richard Henderson <rth@cygnus.com>
2866 * alias.c (record_alias_subset): Initialize has_zero_child in the
2869 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2871 * arm.md (untyped_call): Use GEN_CALL macro.
2873 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2875 * Makefile.in: Use $(MAKE) not "make"
2877 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2879 * alias.c (struct alias_set_entry): New field has_zero_child.
2880 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2881 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2883 Call record_component_aliases for aggregate types.
2884 (record_alias_subset): Set has_zero_child.
2885 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2886 TYPE_NONALIASES_COMPONENT.
2887 (record_component_aliases, case RECORD_TYPE): Test
2888 DECL_NONADDRESSABLE_P.
2889 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2890 of TREE_ADDRESSABLE.
2891 * calls.c (initialize_argument_information): Only test
2892 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2893 * function.c (assign_parms): Likewise.
2894 * integrate.c (function_cannot_inline_p): Likewise.
2895 * stor-layout.c (finish_record_layout): Don't call
2896 record_component_aliases.
2897 * tree.h (struct tree_int_cst): Use struct tree_common.
2898 (struct tree_real_cst, struct tree_string): Likewise.
2899 (struct tree_complex, struct tree_identifier): Likewise.
2900 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2901 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2902 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2903 (TYPE_NONALIASES_COMPONENT): New macro.
2904 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2905 (DECL_NONADDRESSABLE_P): New macro.
2906 (struct tree_decl): Reorder bits for clarity of how many left;
2909 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2911 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2912 * mklibgcc.in (force): New target.
2913 Make LIB2ADD stuff depend on it.
2915 2000-06-02 Richard Henderson <rth@cygnus.com>
2917 * alias.c (lang_get_alias_set): Remove.
2918 (get_alias_set): Call it directly, not indirectly.
2919 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2920 * c-common.h (c_get_alias_set): Don't declare.
2921 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
2922 * expr.h (lang_get_alias_set): Declare as function, not pointer.
2924 2000-06-02 Bruce Korb <bkorb@gnu.org>
2926 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
2927 (server_setup): define the server's master pid
2928 (close_server): actually do the deed IFF we are the server's master
2930 2000-06-02 Jakub Jelinek <jakub@redhat.com>
2932 * c-common.c (c_get_alias_set): Check whether signed_type did not
2933 return its argument before calling get_alias_set on the result.
2935 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
2937 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2939 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2941 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
2942 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
2943 for TARGET_NOMACSAVE.
2944 (NOMACSAVE_BIT): Define.
2945 (TARGET_NOMACSAVE): Define.
2946 (TARGET_SWITCHES): Add "nomacsave".
2948 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
2950 * sh.md (untyped_call): Remove excess parameters
2952 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
2954 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
2955 match that used before the conversion to c_fix style.
2956 * fixinc/fixincl.x: regenerate
2958 2000-06-01 Stan Cox <scox@cygnus.com>
2960 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
2961 macro argument typo.
2963 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
2965 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
2967 * cpplib.c (parse_include): Remove support for VAX-C
2968 "#include starlet" misfeature.
2970 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
2972 * cppfiles.c: conditionally define O_BINARY.
2973 (open_include_file): pass O_BINARY to open().
2975 2000-06-01 Richard Henderson <rth@cygnus.com>
2977 * i960.c (i960_br_predict_opcode): Remove.
2978 (i960_print_operand) [+]: Emit branch prediction hints.
2979 (i960_function_arg): Return early for VOIDmode.
2980 (i960_round_align): Return early for incomplete types.
2981 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2982 * i960.md (all conditional branches): Add "%+".
2984 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2986 * alias.c (get_alias_set): Don't call language-specific routine more
2987 than is needed and clean up code a bit.
2988 * c-common.c (c_get_alias_set): All references whose type
2989 is char get alias set 0, but character types need not.
2990 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
2991 (make_decl_rtl): Don't call it for FUNCTION_DECL.
2993 2000-06-01 Bruce Korb <bkorb@gnu.org>
2995 * fixinc/tests/base/...: new base result files
2997 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2999 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3000 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3001 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3004 2000-06-01 Richard Henderson <rth@cygnus.com>
3006 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3008 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3010 2000-05-31 Richard Henderson <rth@cygnus.com>
3012 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3013 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3014 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3016 2000-05-31 Richard Henderson <rth@cygnus.com>
3018 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3019 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3020 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3021 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3022 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3024 2000-05-31 Richard Henderson <rth@cygnus.com>
3026 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3028 2000-05-31 Richard Henderson <rth@cygnus.com>
3030 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3032 (find_if_block): Allow THEN with no outgoing edges.
3033 * flow.c (merge_blocks_nomove): Remove a barrier not following
3036 2000-05-31 Richard Henderson <rth@cygnus.com>
3038 * flow.c (propagate_block): Move initialization of mem_set_list ...
3039 (init_propagate_block_info): ... here. Also track blocks with
3040 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3042 2000-05-31 Richard Henderson <rth@cygnus.com>
3044 * jump.c (jump_optimize_1): Revert 05-18 change.
3046 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3048 * invoke.texi: Remove documentation for -fguiding-decls.
3050 2000-05-31 Richard Henderson <rth@cygnus.com>
3052 * configure.in: Fix typo last change.
3054 2000-05-31 Philipp Thomas <pthomas@suse.de>
3056 * configure.in (enable-nls): Enable if build == host, i.e. when
3057 not building a canadian cross compiler.
3058 (enable-maintainer-mode): Added for use with i18n.
3059 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3060 cross section of ALL_LINGUAS and LINGUAS.
3061 * configure: Rebuild.
3063 2000-05-31 Bruce Korb <bkorb@gnu.org>
3065 * fixinc/check.tpl: rework to use test result tree
3066 * fixinc/Makefile.in: change invocation of check script
3067 * fixinc/check.diff: No longer needed
3068 * fixinc/fixincl.x: regenerate
3069 * fixinc/inclhack.def: add new tests
3070 * fixinc/tests/base/arch/i960/archI960.h: New test result
3071 * fixinc/tests/base/curses.h: modified test result
3072 * fixinc/tests/base/stdio.h: ditto
3073 * fixinc/tests/base/time.h: ditto
3074 * fixinc/tests/base/sys/asm.h: ditto
3075 * fixinc/tests/base/sys/stat.h: ditto
3076 * fixinc/tests/base/sys/wait.h: ditto
3078 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3080 * except.c (clear_function_eh_region): Do not free NULL.
3082 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3084 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3085 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3086 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3087 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3088 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3089 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3090 (get_alias_set): Likewise.
3091 Major rework to do more things and allow language-specific code
3092 to just handle special-cases.
3093 (record_alias_subset): Args are HOST_WIDE_INT.
3094 (record_component_alias): Local vars are HOST_WIDE_INT.
3095 Don't handle COMPLEX_EXPR.
3096 (get_varargs_alias_set): Moved from builtins.c.
3097 (get_frame_alias_set): New function.
3098 * builtins.c (expand_builtin_return_address): Use frame alias set.
3099 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3101 (get_memory_rtx): Rework to use set_mem_attributes.
3102 (get_varargs_alias_set): Deleted from here.
3103 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3104 (c_find_base_decl): Deleted from here.
3105 (c_get_alias_set): Remove many cases and rework to just handle
3107 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3108 * c-decl.c (rtl.h, expr.h): Now included.
3109 (init_decl_processing): Call record_component_aliases on array types.
3110 (grokdeclarator): Likewise.
3111 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3112 * c-typeck.c (common_type): Call record_component_aliases for array.
3113 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3114 Set all save areas to the frame alias set.
3115 * calls.c (initialie_argument_information): Call set_mem_attributes.
3116 (compute_argument_addresses, expand_call): Likewise.
3117 * explow.c (set_mem_attributes): New function.
3118 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3119 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3120 LEN and OFFSET now HOST_WIDE_INT.
3121 (clear_by_pieces): Similar changes.
3122 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3123 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3124 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3125 (clear_by_pieces_1): Likewise.
3126 (emit_push_insn): Call set_mem_attributes.
3127 (expand_expr, case INDIRECT_REF): Likewise.
3128 (expand_expr, case VAR_DECL): Call change_address.
3129 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3131 (get_varargs_alias_set, get_frame_alias_set): New decls.
3132 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3133 (new_alias_set, set_mem_attributes): Likewse.
3134 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3135 (assign_stack_temp_for_type): Likewise.
3136 Can split slot even if alias set since can copy.
3137 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3138 (assign_temp): Use host_integerp and tree_low_cst.
3139 (put_var_into_stack): Properly handle SAVE_EXPR.
3140 (put_addressof_into_stack): Likewise.
3141 (assign_parms): Call set_mem_attributes.
3143 (fix_lexical_address): Put reference to chain into frame alias set.
3144 (expand_function_start): Call set_mem_attributes.
3145 * integrate.c (expand_inline_function): Likewise.
3146 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3147 * regmove.c (try_apply_stack_adjustment): Likewise.
3148 * reload.c (push_reload, make_memloc): Likewise.
3149 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3150 * rtl.def (MEM): Update comment.
3151 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3152 (move_by_pieces): Change length to HOST_WIDE_INT.
3153 (record_base_value, record_alias_subset): Delete from here.
3154 * stmt.c (expand_decl): Call set_mem_attributes.
3155 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3156 * toplev.c (compile_file): Call init_alias_once earlier.
3157 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3158 from here: now in alias.c.
3159 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3160 (struct tree_decl): Likewise.
3161 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3162 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3163 (output_constant_def, force_const_mem): Likewise.
3165 * flow.c (propagate_block): If block has no successors, stores to
3166 frame are dead if not used.
3168 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3170 * stmt (expand_end_case): Reorder conversion sequence for jump
3171 table to avoid extra truncations.
3173 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3175 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3176 in the block is more than just a simple conditional branch.
3177 (noce_process_if_block): Similarly.
3179 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3181 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3184 2000-05-30 Michael Meissner <meissner@redhat.com>
3186 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3187 instructions. Treat LO_SUM operations as loading the full integer
3190 2000-05-30 Richard Henderson <rth@cygnus.com>
3192 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3194 2000-05-30 Richard Henderson <rth@cygnus.com>
3196 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3198 2000-05-30 Bruce Korb <bkorb@gnu.org>
3200 * fixinc/tests/*: Added expected result files for fixinc's make check
3201 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3203 2000-05-30 Richard Henderson <rth@cygnus.com>
3205 * config/alpha/alpha.md (*setne_internal): Use match_operator
3206 instead of working down from insn.
3208 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3210 * invoke.texi (-Wtraditional): Update WRT function macros.
3212 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3214 * except.c (free_exception_table): Do not free NULL.
3216 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3218 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3219 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3222 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3224 * flow.c (mark_used_reg): If a register is unconditionally live,
3225 remove any conditional death information.
3227 2000-05-29 Richard Henderson <rth@cygnus.com>
3229 * final.c (current_output_insn): New.
3230 (final_scan_insn): Set it.
3231 * output.h: Declare it.
3233 2000-05-29 Richard Henderson <rth@cygnus.com>
3235 * stor-layout.c (finalize_record_size): Fix typo.
3237 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3240 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3242 * cpplib.h (cpp_reader): Remove if_stack. Change
3243 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3244 * cpphash.h (struct ihash): Change control_macro to a
3245 cpp_hashnode * and shorten name to cmacro.
3246 Add NEVER_REINCLUDE constant.
3248 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3249 Examine the cmacro node directly, no need to call cpp_defined.
3250 (_cpp_execute_include, read_include_file): Set cmacro to
3251 NEVER_REINCLUDE, not U"".
3252 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3253 (cpp_get_token): If pfile->skipping is true, discard text and
3254 keep scanning until we hit a directive; don't expand macros.
3256 * cpplib.c (struct if_stack): Remove if_succeeded, add
3257 was_skipping. Change control_macro to a cpp_hashnode * and
3258 shorten name to cmacro. Remove typedef IF_STACK.
3259 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3260 (conditional_skip, skip_if_group,
3261 consider_directive_while_skipping): Delete.
3262 (push_conditional): New.
3263 (_cpp_handle_directive): Don't process directives other than
3264 conditionals if we are skipping.
3266 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3267 Update to new scheme.
3268 (validate_else): Skip rest of line here, unconditionally.
3269 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3270 pfile->skipping off.
3272 (all): Remove `scare quotes' from error messages.
3274 2000-05-29 Richard Henderson <rth@cygnus.com>
3276 * function.c (emit_return_into_block): New line_note arg; emit it.
3277 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3278 for the close brace to accompany HAVE_return. Move all line notes
3279 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3281 2000-05-29 Richard Henderson <rth@cygnus.com>
3283 * longlong.h [__alpha] (count_leading_zeros): New.
3284 (count_trailing_zeros): New.
3285 (COUNT_LEADING_ZEROS_0): New.
3287 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3288 (alpha_split_conditional_move): New.
3289 * config/alpha/alpha-protos.h: Prototype them.
3290 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3291 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3292 * config/alpha/alpha.md: Update ffs cix commentary.
3294 (*nabssf2, *nabsdf2): New.
3295 (*mov[qhsd]icc_internal): Use add_operand.
3296 (if_then_else constant splitters): New.
3297 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3298 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3300 2000-05-29 Richard Henderson <rth@cygnus.com>
3302 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3303 a constant to NEG or NOT when conditions allow.
3305 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3306 unless both args are general_operand. Don't canonicalize plus
3307 to ior unless it helps.
3309 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3310 instead track register_life_up_to_date. Toggle no_new_pseudos
3313 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3315 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3316 so output_operand doesn't see them.
3318 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3320 * lcm.c (make_preds_opaque): Fix comment.
3321 (optimize_mode_switching): Use NORMAL_MODE instead of
3322 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3323 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3324 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3325 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3326 (MODE_USES_IN_EXIT_BLOCK): Delete.
3327 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3328 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3329 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3330 (MODE_NEEDED): Don't look for USE.
3331 (EPILOGUE_USES): Define.
3333 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3335 * mklibgcc.in (all): Variable initialised to `libgcc'.
3337 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3339 * toplev.h (skip_leading_substring): New macro.
3340 * toplev.c (decode_f_option): Use skip_leading_substring instead
3342 (decode_W_option): Likewise.
3344 2000-05-28 Nick Clifton <nickc@cygnus.com>
3346 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3349 2000-05-28 Richard Henderson <rth@cygnus.com>
3351 * regclass.c (record_operand_costs): Protect reg_changes_size
3352 with CLASS_CANNOT_CHANGE_SIZE.
3354 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3356 2000-05-28 Richard Henderson <rth@cygnus.com>
3358 * function.c (diddle_return_value): A pcc-style struct return
3361 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3363 * cppfiles.c: Read files in, using mmap if possible, then
3364 prescan them separately.
3365 (read_file, read_with_read): New functions.
3366 * cpplex.c: Don't define UCHAR_MAX.
3367 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3370 * cppinit.c (handle_option): Automatically define __cplusplus,
3371 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3372 the respective -lang switch.
3374 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3375 prototype): Move to...
3376 * cpplib.h: ... here. Rename struct hashnode to struct
3377 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3378 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3380 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3382 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3384 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3385 (class_can_change_size): New variable.
3386 (reg_changes_size): New variable.
3387 (init_reg_sets_1): Initialise class_can_change_size.
3388 (record_operand_costs): Remove subreg_changes_size.
3389 Don't pass it around. Instead update reg_changes_size.
3390 (regclass): Initialise and free reg_changes_size. If a register
3391 changes size, don't preference it to a class that contains
3392 registers that can't change size.
3393 (record_reg_classes): Don't look at subreg_changes_size.
3395 2000-05-27 Richard Henderson <rth@cygnus.com>
3397 * print-rtl.c (reg_names): Remove const.
3398 * regclass.c (reg_names): Likewise.
3399 * regs.h (reg_names): Likewise.
3400 * hard-reg-set.h (reg_names): Likewise.
3402 2000-05-27 Richard Henderson <rth@cygnus.com>
3404 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3406 2000-05-27 Richard Henderson <rth@cygnus.com>
3408 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3409 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3410 (alpha_expand_prologue): Emit prologue_mcount if needed.
3411 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3412 * config/alpha/alpha.md (prologue_mcount): New.
3413 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3414 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3415 * config/alpha/netbsd.h: Likewise.
3417 2000-05-27 Richard Henderson <rth@cygnus.com>
3419 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3420 change to config/elfos.h.
3422 2000-05-27 Richard Henderson <rth@cygnus.com>
3424 * Makefile.in (resource.o): Depend on except.h.
3425 * except.h (output_exception_table_data): Prototype.
3426 * genconfig.c (gen_peephole2): Prototype.
3427 * genemit.c (main): Include ggc.h.
3428 * genoutput.c: Revert parts of last change: include errors.h
3429 (main): Set progname.
3430 * recog.c: Include hard-reg-set.h before recog.h.
3431 * resource.c: Include except.h.
3433 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3435 (alpha_write_linkage): Protect with BUFSIZ.
3436 (alpha_need_linkage): Update prototype.
3437 * config/alpha/alpha.c (function_arg): Move VMS code here.
3438 (alpha_links_base): Remove.
3440 (mark_alpha_links_node, mark_alpha_links): New.
3441 (alpha_write_one_linkage): New.
3442 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3443 (alpha_write_linkage): Use splay_tree_foreach.
3444 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3445 to get the linkage symbol.
3446 (call_value_vms): Likewise.
3447 * config/alpha/elf.h (output_file_directive): Remove decl.
3448 (ctors_section, dtors_section): Prototype.
3449 (sbss_section, sdata_section): Prototype.
3450 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3451 (readonly_section, link_section, literals_section): Prototype.
3452 (ctors_section, dtors_section): Prototype.
3453 (vms_valid_decl_attribute_p): Remove decl.
3454 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3456 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3458 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3460 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3461 substituting the REG in a (subreg:X (reg:Y ...)).
3463 2000-05-28 Neil Booth <NeilB@earthling.net>
3465 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3466 first token of a line BOL. Update EOF code for this.
3467 Remove illegal directive check - it appears in the (not
3468 yet committed) caller.
3469 * cpplib.h (BOL): New flag.
3471 2000-05-28 Neil Booth <NeilB@earthling.net>
3473 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3474 (_cpp_free_toklist): No comment space to free.
3475 (expand_comment_space): Remove.
3476 (save_comment_space): Place the comment in the current token and
3477 not in a separate comment space.
3478 (_cpp_lex_line): Save comments during plain code and #define
3480 * cpplib.h (struct _cpp_toklist): Remove comment space.
3482 2000-05-28 Neil Booth <NeilB@earthling.net>
3484 * cppexp.c (parse_assertion): Supply extra argument to
3486 * cpplib.c (do_assert, do_unassert): Similarly.
3487 * cpphash.h (_cpp_init_toklist) Update.
3488 (_cpp_expand_token_space): New.
3489 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3490 * cpplex.c (_cpp_init_toklist): New argument.
3491 (parse_string2): New argument multiline_ok.
3492 (spell_token): Take a const cpp_token *.
3493 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3494 (SPELL_ macros): Replace with enum.
3495 (expand_token_space): Replace with _cpp_expand_token_space.
3496 Take COUNT argument.
3497 (IS_DIRECTIVE): Update.
3498 (_cpp_lex_line): Update token structure before parsing number.
3499 Don't assume start at beginning of token list.
3500 (save_comment): Use INIT_TOKEN_NAME.
3502 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3504 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3505 -Wmissing-prototypes.
3506 * configure: Regenerate.
3507 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3509 * builtins.c, calls.c: Change all instances of gen_call_* or
3510 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3511 * calls.c (struct_value_size_rtx): Separate definition from
3512 initialization to avoid unused variable warning.
3514 * genflags.c (gen_macro): New function.
3515 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3516 (gen_nonproto): Delete.
3517 (gen_insn): Put all insns on the same obstack.
3518 (main): Generate prototypes for everything unconditionally.
3520 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3521 out check for wchar_t.
3522 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3523 * system.h: Add infrastructure for defining missing
3524 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3525 definitions of UCHAR_MAX and SSIZE_MAX.
3526 * configure: Regenerate.
3527 * config.in: Regenerate.
3529 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3530 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3532 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3533 libgcc2.a, or libgcc1.null.
3535 2000-05-27 Richard Henderson <rth@cygnus.com>
3537 * Makefile.in (recog.o): Don't depend on resource.h.
3538 * recog.c: Don't include resource.h.
3539 (recog_last_allowed_insn): Remove.
3540 (recog_next_insn): Remove.
3541 (struct peep2_insn_data): New.
3542 (peep2_insn_data, peep2_current): New.
3543 (peep2_next_insn): New.
3544 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3545 (peep2_find_free_register): New.
3546 (peephole2_optimize): Track life information by insn as we go.
3547 * recog.h: Update declarations.
3548 * resource.c (find_free_register, reg_dead_p): Remove.
3549 * resource.h: Remove their declarations.
3550 * toplev.c: Include hard-reg-set.h before recog.h.
3552 * genconfig.c (max_insns_per_peep2): New.
3553 (gen_peephole2): New.
3555 * genemit.c (output_peephole2_scratches): Generate calls to
3556 peep2_find_free_register; adjust surrounding code.
3557 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3558 * genrecog.c (change_state): Don't track last_insn.
3559 (write_action): Write into *_pmatch_len before accepting.
3560 (write_tree): Adjust peephole2_insns and subroutines to match.
3562 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3564 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3565 (hard_int_register_operand): New.
3566 * config/alpha/alpha-protos.h: Declare it.
3567 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3568 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3569 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3571 2000-05-27 Richard Henderson <rth@cygnus.com>
3573 * function.c (thread_prologue_epilogue_insns): Don't move the
3574 line note at the head of the chain. Only force a lineno note
3575 before the end of block 0.
3577 2000-05-27 Richard Henderson <rth@cygnus.com>
3579 * gensupport.c (collect_insn_data): Record the maximum number
3580 of alternatives, not the last seen.
3582 * genoutput.c: Don't include errors.h.
3583 (struct data): Add lineno member.
3585 (scan_operands): Use message_with_line instead of error.
3586 (validate_insn_alternatives): Likewise.
3587 (gen_insn): Accept and store the pattern's line number.
3588 (gen_peephole, gen_expand, gen_split): Likewise.
3589 (main): Don't set progname. Pass line_no to gen_foo.
3591 2000-05-27 Richard Henderson <rth@cygnus.com>
3593 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3594 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3595 * config/d30v/d30v.md (attr predicable): New.
3596 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3597 (andsi3*): Unify into one pattern.
3598 (iorsi3*, xorsi3*): Likewise.
3599 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3601 (old cond_exec patterns): Remove.
3602 (define_cond_exec): New.
3604 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3606 * tree.h (TREE_CODE_LENGTH): New macro.
3607 * c-common.c (c_find_base_decl): Use it.
3608 * expr.c (safe_from_p): Likewise.
3609 * print-tree.c (print_node): Likewise.
3610 * tree.c (make_node, copy_node, get_identifier): Likewie.
3611 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3612 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3613 * fold-const.c (make_range): Likewise.
3614 (fold): Likewise; also use first_rtl_op.
3615 * c-iterate.c (collect_iterators): Use first_rtl_op.
3616 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3617 Use IS_EXPR_CODE_CLASS.
3618 (preexpand_calls): Likewise.
3619 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3620 and TREE_CODE_LENGTH.
3621 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3623 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3625 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3627 (movdi_internal64): Likewise.
3629 * config/rs6000/rs6000.md: Correct order of operands for DImode
3632 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3633 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3634 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3635 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3636 boolean_operator for the boolean patterns without NOTs.
3638 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3639 from reg_or_u_cint_operand. Change comment and behaviour.
3640 (logical_operand): Clean up, add assertion.
3641 (non_logical_cint_operand): Also check for
3642 reg_or_logical_cint_operand.
3643 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3644 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3650 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3652 * tree.h (struct record_layout_info): Rename to (struct
3653 record_layout_info_s).
3654 * stor-layout.c (start_record_layout): Replace
3655 `record_layout_info' with `record_layout_info_s'.
3657 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3659 * flow.c (find_label_refs): New function.
3660 (find_basic_blocks_1): Call it for each alternative of a call
3663 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3665 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3668 2000-05-25 Richard Henderson <rth@cygnus.com>
3670 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3671 so strict about DImode.
3672 (alpha_swapped_comparison_operator): Likewise.
3673 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3674 any integer output mode.
3675 (*setcc_internal): Likewise.
3676 (*setcc_swapped_internal): Likewise.
3677 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3678 (*mov[qhs]icc_internal): New.
3679 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3681 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3683 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3685 2000-05-25 Richard Henderson <rth@cygnus.com>
3687 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3688 Remove add_jump; add next; replace flags with visited.
3690 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3691 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3692 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3693 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3695 (reorder_index, reorder_last_visited): Remove.
3696 (skip_insns_after_block): Rewrite to use a switch.
3697 (get_common_dest): Remove.
3698 (chain_reorder_blocks): Remove.
3699 (record_effective_endpoints): Split out from reorder_basic_blocks.
3700 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3701 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3702 Only construct the reorder chain, do not move insns. Try harder
3704 (label_for_bb, emit_jump_to_block_after): New.
3705 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3706 and adjust the jump insns appropriately. Fixup basic_block_info.
3707 (verify_insn_chain): Always define.
3708 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3710 (make_new_scope): Don't write zeros to calloc'd space.
3711 (build_scope_forest): Rely on xrealloc to DTRT.
3712 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3713 profile_arc_flag. Streamline EH test.
3715 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3716 * basic-block.h: Declare them.
3718 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3720 * emit-rtl.c (reset_used_decls): New function.
3721 (unshare_all_rtl_again): Call it.
3723 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3725 * cpplex.c (maybe_macroexpand): Warn about function-like
3726 macros used in non-function context, if -Wtraditional.
3728 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3730 * recog.c (peephole2_optimize): Use INSN_P.
3732 2000-05-25 Richard Henderson <rth@cygnus.com>
3734 * ifcvt.c (seq_contains_jump): New.
3735 (noce_try_store_flag_constants): Use it to fail conversion.
3736 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3738 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3740 * except.h (can_throw): Declare it.
3741 * except.c (can_throw): Give it external linkage.
3742 * resource.c (find_dead_or_set_registers): Use can_throw.
3744 2000-05-25 Richard Henderson <rth@cygnus.com>
3746 * flow.c (mark_set_1): Don't record conditionally dead memory.
3748 2000-05-25 Jan Hubicka <jh@suse.cz>
3750 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3751 and pc_set at the place of simplejump_p and condjump_p.
3752 * cse.c (record_jump_equiv): Likewise.
3753 * emit-rtl.c (emit): Likewise.
3754 * explow.c (find_next_ref): Likewise.
3755 * flow.c (tidy_fallthru_edge): Likewise.
3756 (init_propagate_block_info): Likewise.
3757 * gcse.c (delete_null_pointer_checks): Likewise.
3758 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3759 dead_or_predicable): Likewise.
3760 * integrate.c (copy_insn_list): Likewise.
3761 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3762 for_each_insn_in_loop, check_dbra_loop, get_condition,
3763 insert_bct, load_mems): Likewise.
3764 * resource.c (find_dead_or_set_registers): Likewise.
3765 * sibcalls.c (simplejump_p): Likewise.
3766 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3768 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3770 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3771 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3773 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3774 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3775 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3776 * rs6000.md: Name various internal patterns.
3778 2000-05-25 Jan Hubicka <jh@suse.cz>
3780 * jump.c (invert_exp_1): Remove first argument, use pc_set
3781 to get the expression.
3782 (redirect_exp): Make static; redirect only the pc_set expression,
3783 remove first argument.
3784 (invert_exp): Remove first argument, make static.
3785 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3786 any_onlyjump at most places where we originaly did condjump_p
3788 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3789 (delete_barrier_succesors): Use pc_set.
3790 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3791 calls of invert_exp and redirect_exp.
3792 * rtl.h (redirect_exp, invert_exp): Remove.
3793 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3795 2000-05-25 Richard Henderson <rth@cygnus.com>
3797 * stmt.c (expand_end_bindings): Fix thinko last change.
3799 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3800 Andrew Haley <aph@cygnus.com>
3802 * except.c (func_eh_entry): Add emitted field.
3803 (new_eh_region_entry): Set emitted field to 0;
3804 (output_exception_table_entry): Only emit previously un-emitted data,
3805 and send it to the eh_data section.
3806 (output_exception_table): Break out common parts. Output
3807 exception table for entire compilation unit to eh_data section.
3808 (output_exception_table_data): Common parts of output_exception_table.
3809 Send output to eh_data section.
3810 (output_function_exception_table): Output exception table data for
3811 a single function to eh_data section.
3812 (free_exception_table): New external to free the table.
3813 * except.h (free_exception_table): Add prototype.
3814 (output_function_exception_table): Add prototype.
3815 * final.c (final_end_function): Output function exception table
3816 for IA64_UNWIND_INFO.
3817 (final_scan_insn): Emit any unwind directives for an insn.
3819 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3821 * frame.c: Remove all DWARF 2 specific code.
3822 * config/ia64/frame-ia64.c: New file.
3823 (gthread_stuff): Make all gthread available with
3825 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3826 (__register_frame_info, __register_frame): Move to common area of file.
3827 (__register_frame_info_table, __register_frame_table): Move to common i
3829 (__deregister_frame_info, __deregister_frame): Move to common area.
3830 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3831 (read_uleb128): New version for ia64.
3832 (get_unwind_record): Read the next IA-64 unwind record.
3833 (read_R_record): Read a region header record.
3834 (process_a_b_reg_code): X record helper.
3835 (read_X_record): Read an X format record.
3836 (read_B_record): Read a B format record.
3837 (P3_record_types): List of record types matching the P3 format.
3838 (P7_record_types): List of record types matching the P7 format.
3839 (P8_record_types): List of record types matching the P8 format.
3840 (read_P_record): Read a P format record.
3841 (init_ia64_reg_loc): Set default fields for a register.
3842 (init_ia64_unwind_frame): Set defaults for all register records.
3843 (execute_one_ia64_descriptor): Execute one descriptor record.
3844 (rse_address_add): Calculate the position of a local reg in memory.
3845 (normalize_reg_loc): Turn a location descriptor into a memory address.
3846 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3847 within a specified PC offset range.
3848 (get_real_reg_value): Given a register location, retrieve its value.
3849 (set_real_reg_value): Change the value of a register location.
3850 (copy_reg_value): Copy reg values, if needed.
3851 (copy_saved_reg_state): Copy all registers that need to be copied.
3852 (process_state_between): Normalize all frame register records that
3853 fall within the specified PC range.
3854 (frame_translate): Take a processed frame description, and turn
3855 everything into addresses.
3856 (build_ia64_frame_state ): Find and create frame state record for a PC.
3857 (get_personality): Get the personality routine for a given frame.
3858 (get_except_table): Get the exception table for a given frame.
3859 (record_name): Unwind record names for debugging.
3860 (print_record): Print and unwind record.
3861 (print_all_records): Print an entire unwind image.
3862 (__ia64_backtrace): Print a backtrace.
3863 (ia64_backtrace_helper): New function.
3864 (__register_frame_info_aux): New function.
3865 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3867 * frame.h (enum unw_record_type): New unwind record types.
3868 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3869 (struct unw_r_record, unwind_record): New unwind record structs.
3870 (struct unwind_info_ptr): Unwind information layout.
3871 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3873 (struct ia64_reg_loc): Register location description.
3874 (struct ia64_frame_state): Location of all registers in a frame.
3875 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3876 * libgcc2.c (__ia64_personality_v1): Personality routine.
3877 (__calc_caller_bsp): Calculate the bsp register for the caller's
3879 (ia64_throw_helper): Figure out who to return to and set up the
3881 (__throw): Throw routine.
3883 * output.h (assemble_eh_align, assemble_eh_label): New functions
3884 to generate EH info where we want it.
3885 (assemble_eh_integer): New function.
3886 * toplev.c (compile_file): Output module level exception table for
3888 (main): Set exceptions_via_longjump and flag_new_exceptions based
3889 on IA64_UNWIND_INFO too.
3891 * varasm.c (assemble_eh_label): Generate a label via
3892 ASM_OUTPUT_EH_LABEL if it has been specified.
3893 (assemble_eh_align): Generate an alignment directive via
3894 ASM_OUTPUT_EH_ALIGN if it has been specified.
3895 (assemble_eh_label): Generate an integer value via
3896 ASM_OUTPUT_EH_type if they have been specified.
3897 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3898 (ia64_init_builtins): Add __builtin_ia64_bsp
3899 and __builtin_ia64_flushrs.
3900 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3901 IA64_BUILTIN_FLUSHRS.
3902 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3903 IA64_BUILTIN_FLUSHRS.
3905 * config/ia64/ia64.md (flushrs): New insn to flush the register
3906 stack. Add to unspec list.
3908 * config/ia64/crtbegin.asm (frame_object): Change size.
3909 (__do_frame_setup_aux): New function.
3910 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3911 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3912 * Makefile.in (LIB2ADDEH): Add.
3913 (LIB2ADD): Use LIB2ADDEH.
3915 2000-05-24 Richard Henderson <rth@cygnus.com>
3917 * recog.c (offsettable_address_p): If mode size is zero, assume
3920 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
3922 * configure.in: Check for -Wno-long-long option support and improve
3923 handling of warning CFLAGS for stages 1 and 2.
3924 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
3925 * configure: Regenerate.
3927 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
3929 * gcc.texi: Remove contributor list. Instead include contrib.texi.
3930 * contrib.texi: New file.
3932 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3934 * loop.c (basic_induction_var): Avoid double recording of an increment.
3936 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3938 * Back out this patch:
3939 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
3940 * loop.h (struct induction): Add multi_insn_incr.
3941 * loop.c (basic_induction_var): New multi_insn_incr argument.
3942 Set it if we search back through previous insns for the biv.
3943 (record_biv): New multi_insn_incr argument; fill in struct induction.
3944 (strength_reduce): Discard an iv with multiple bivs, any of
3945 which require multiple insns to increment.
3947 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
3949 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3951 * rtl.h (loc_mentioned_in_p): Declare.
3952 * reload.c (loc_mentioned_in_p): Moved from here...
3953 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
3954 Fix loop increment for 'E' handling.
3955 * loop.c (strength_reduce): When doing biv->giv conversion,
3956 take multi-insn biv increments into account.
3958 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
3960 * stmt.c (expand_end_bindings): Look through NOTEs to find a
3963 2000-05-24 Mark Mitchell <mark@codesourcery.com>
3965 * calls.c (expand_call): Handle cleanups in tail-recursion
3966 arguments analagously to cleanups in sibling calls.
3968 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3970 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
3971 All callers changed.
3973 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3975 * expr.c (expand_assignment, store_expr, expand_expr,
3976 expand_expr_unaligned): Set in_check_memory_usage while emitting
3977 chkr_check_addr libcall.
3979 2000-05-24 Nick Clifton <nickc@cygnus.com>
3981 * fold-const.c (extract_muldiv): When constructing a
3982 multiplier/divisor, do not expect const_binop to correctly
3983 determine if overflow has occured, so check explicitly.
3985 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3987 * c-decl.c (build_enumerator): Don't modify the value's type,
3990 2000-05-24 Andreas Jaeger <aj@suse.de>
3992 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
3994 2000-05-24 Eric Christopher <echristo@cygnus.com>
3996 * configure.in: Redefine inhibit_libc conditions.
3997 * libgcc2.c: Remove inhibit_libc conditional define.
3998 * configure: Regenerate.
4000 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4002 * configure.in: For --enable-languages=LIST, check for empty LIST.
4003 * configure: Regenerate.
4005 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4007 * pdp11.h (STACK_BOUNDARY): Define.
4009 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4011 * ifcvt.c (if_convert): Update life info globally.
4013 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4015 * emit-rtl.c (unshare_all_decls): New function.
4016 (unshare_all_rtl): Call it.
4018 2000-05-23 Nick Clifton <nickc@cygnus.com>
4020 * configure.in: Treat 'strongarm' as if it were 'arm' when
4021 determining cpu type.
4023 * configure: Regenerate.
4025 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4026 where constant strings are involved.
4028 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4031 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4032 cases where constant strings are involved.
4034 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4036 * config/sh/sh.c (gen_far_branch, split_branches): Update
4037 to reflect new prototypes for redirect_jump and invert_jump.
4038 (sh_insn_length_adjustment): Get rid of const warnings.
4040 2000-05-23 Kazu Hirata <kazu@hxi.com>
4042 * invoke.texi (Options for Debugging Your Program or GCC): Update
4043 the names of dump files.
4045 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4047 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4048 * configure: Regenerated.
4050 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4052 * simplify-rtx.c (SIGN_EXTEND): New macro.
4053 (simplify_unary_operation, simplify_binary_operation,
4054 simplify_relational_operation): Use SIGN_EXTEND. Make low
4055 halves of (low, high) pairs unsigned if they weren't already.
4056 (simplify_ternary_operation): Cast INTVAL to unsigned before
4057 comparing to a MODE_BITSIZE.
4059 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4061 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4062 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4064 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4065 gcc_AC_NEED_DECLARATIONS.
4067 * dwarfout.c: Don't prototype time().
4069 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4071 * system.h: Likewise.
4073 * toplev.c: Likewise.
4075 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4077 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4079 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4081 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4083 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4085 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4087 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4089 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4090 (alpha_start_function): Never write ..ng label if VMS or NT.
4091 (alpha_align_insns): Remove GP_IN_USE arg.
4092 Alignment now unsigned.
4093 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4094 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4095 and two define_insn's.
4097 2000-05-22 Richard Henderson <rth@cygnus.com>
4099 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4101 2000-05-22 Richard Henderson <rth@cygnus.com>
4103 * stor-layout.c (place_field): Change rli->size to rli->offset.
4105 2000-05-22 Richard Henderson <rth@cygnus.com>
4107 * function.c (thread_prologue_and_epilogue_insns): Make sure
4108 existing line number notes appear after the prologue.
4110 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4112 * config/alpha/alpha.c (alpha_fnname): New static variable.
4113 (print_operand, case '~'): New case.
4114 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4115 (alpha_start_function): Set alpha_fnname.
4116 Write "ng" label if no ldgp; don't write ldgp insn.
4117 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4118 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4120 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4122 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4125 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4127 * varasm.c (eh_frame_section): Revert change to argument list.
4129 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4131 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4132 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4134 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4135 dangling "else" that causes "break" to be conditional.
4136 Also remove unneeded code at start.
4138 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4140 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4141 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4142 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4144 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4146 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4149 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4151 * alias.c (record_component_aliases): New function.
4152 * tree.h: Clean up some declarations and comments.
4153 (record_component_aliases): New declaration.
4154 * tree.c (get_alias_set): If type and has alias set, use it.
4156 2000-05-22 Richard Henderson <rth@cygnus.com>
4158 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4159 IF_THEN_ELSE to a setcc form.
4160 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4162 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4164 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4165 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4167 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4169 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4172 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4174 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4175 * config/mn10300/mn10300.c (print_operand): Likewise.
4177 * final.c (split_double): Right shift of negative values is not
4180 * ifcvt.c (if_convert): Scan and kill dead code.
4182 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4184 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4186 * diagnostic.c: Eliminate implicit int.
4187 * except.c, gcc.c: Add static prototypes.
4188 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4189 * gensupport.c (process_rtx): Use XVEC to initialize vector
4192 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4193 debug_reg_names instead of static reg_names. If not, define
4195 * regclass.c: Don't define global reg_names unless
4196 DEBUG_REGISTER_NAMES is defined.
4198 * reload1.c (order_regs_for_reload): Remove unused variable.
4199 * varasm.c: Include output.h after defaults.h. Define
4200 eh_frame_section as function of no args, not of unspecified args.
4202 * gcc.c: Constify argbuf; arguments to store_arg,
4203 process_command, main; elements of struct command and struct
4204 switchstr; local variables in execute, process_command, main.
4206 2000-05-20 Bruce Korb <bkorb@gnu.org>
4208 * fixinc/inclhack.def: many applications of c_fix=format + tests
4209 * fixinc/check.diff: regenerated
4210 * fixinc/fixincl.x: regenerated
4212 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4214 * alias.c: Clarify some comments.
4215 (record_base_value): REGNO is unsigned.
4216 * rtl.h (record_base_value): Likewise.
4218 * alias.c (aliases_everything_p): Don't special-case QImode here.
4219 * c-common.c (c_get_alias_set): Do it here.
4220 Handle BIT_FIELD_REF by getting alias info for arg.
4223 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4225 * mklibgcc.in: Restore rule to create ${dir}.
4227 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4229 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4230 GCC_FOR_TARGET used by MULTILIBS.
4231 * mklibgcc.in: Make sure each .o file depends on the
4232 directory it will be in.
4233 Make the multilib directory depends libgcc.
4235 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4237 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4239 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4241 * fold-const.c (make_range): Handle degenerated intervals.
4242 Fixes c-torture/execute/991221-1.c
4244 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4246 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4247 * reload.c (find_equiv_reg): Likewise.
4248 * alias.c (init_alias_analysis): Likewise.
4249 Only call prologue_epilogue_contains on insns.
4250 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4251 * bb-reorder.c (hard-reg-set.h): Include earlier.
4252 * haifa-sched.c (hard-reg-set.h): Likewise.
4253 * ifcvt.c (hard-reg-set.h): Likewise.
4254 * local-alloc.c (hard-reg-set.h): Likewise.
4255 * loop.c (hard-reg-set.h): Likewise.
4256 * predict.c (hard-reg-set.h): Likewise.
4257 * regrename.c (hard-reg-set.h): Likewise.
4258 * flow.c (hard-reg-set.h): Likewise.
4259 (reg_set_to_hard_reg_set): New function.
4260 * bitmap.c (regs.h, basic-block.h): No longer include.
4261 (bitmap.h): Now include.
4262 * conflict.c (hard-reg-set.h): Include.
4263 * profile.c (hard-reg-set.h): Likewise.
4264 * print-rtl.c (hard-reg-set.h): Likewise.
4265 * sbitmap.c (hard-reg-set.h): Likewise.
4266 * toplev.c (hard-reg-set.h): Likewise.
4267 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4268 * hard-reg-set.h (reg_names): Now constant.
4269 * regs.h (reg_names): Likewise.
4270 * regclass.c (reg_names): Likewise.
4271 * loop.h (basic-block.h): No longer include.
4272 (bitmap.h): Now include.
4273 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4274 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4275 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4277 2000-05-19 Jan Hubicka <jh@suse.cz>
4278 Richard Henderson <rth@cygnus.com>
4280 * basic-block.h (struct edge_def): New field "count".
4281 (struct basic_block_def): Likewise.
4282 * flow.c (entry_exit_blocks): Add count fileds.
4283 (split_edge): Keep count information up-to-date.
4284 (dump_edge_info, dump_flow_info): Dump count fields.
4286 * final.c (count_instrumented_edges): Rename to edge from arc.
4287 (end_final): Update users.
4288 * profile.c: Include expr.h, basic-block.h.
4289 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4290 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4291 (ignore_next_note, return_label_execution_count): Kill.
4292 (bbg_file_name, da_file_name): Kill.
4293 (edge_info, bb_info): New structures.
4294 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4295 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4296 (total_num_edges_instrumented): Likewise.
4297 (init_arc, expand_spanning_tree): Kill.
4298 (fill_spanning_tree, tablejump_entry_p): Kill.
4299 (instrument_edges): Rewrite from instrument_arcs to use
4300 commit_edge_insertions infrastructure.
4301 (compute_branch_probabilities): Remove arguments; rewrite for
4302 CFG infrastructure; use rtl_dump_file directly.
4303 (branch_prob, find_spanning_tree): Likewise.
4304 (union_groups, find_group): New.
4305 (init_branch_prob): Make bbg_file_name and da_file_name local.
4306 (end_branch_prob): Use rtl_dump_file directly.
4307 (init_edge_profiler): Rename to edge from arc.
4308 (output_arc_profiler): Kill.
4309 (gen_edge_profiler): New.
4310 (output_func_start_profiler): Turn off profiling. Make the
4311 constructor static when we can.
4312 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4314 * toplev.c (DFI_flow): Remove.
4315 (DFI_cfg, DFI_life): New.
4316 (dump_file): Update accordingly.
4317 (compile_file): Call end_branch_prob if profile_arc_flag too.
4318 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4319 profiling after the CFG is built. Move flow1 life analysis to
4320 DFI_life. Always estimate remaining probabilities.
4322 2000-05-19 Richard Henderson <rth@cygnus.com>
4324 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4326 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4328 2000-05-19 Richard Henderson <rth@cygnus.com>
4330 * jump.c (redirect_jump): Add delete_unused argument. Don't
4331 remove labels and code following when LABEL_NUSES goes to zero.
4332 (invert_jump): Likewise.
4333 (jump_optimize_1): Fix redirect/invert arguments.
4334 (do_cross_jump, thread_jumps): Likewise.
4335 * flow.c (split_edge): Likewise.
4336 * reorg.c (optimize_skip): Likewise.
4337 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4338 * profile.c (instrument_arcs): Likewise.
4339 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4340 * rtl.h: Update prototypes.
4342 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4344 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4346 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4349 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4351 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4352 past l1 when deleting whitespace and markers.
4354 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4355 * cpplib.c (do_unassert): Put the list to compare against on
4358 2000-05-19 Bruce Korb <bkorb@gnu.org>
4360 * fixinc/README: cleaned up old documentation
4361 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4362 * fixinc/check.tpl: compute the list of needed directories
4363 emit "#if defined(name)" because of conflict
4364 omit machine name differences from output differences
4365 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4366 (machine_name): change test text to use `sed' markers
4367 * fixinc/fixincl.x: regen
4369 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4371 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4374 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4376 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4377 it to match the current practice.
4379 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4381 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4383 2000-05-18 Richard Henderson <rth@cygnus.com>
4385 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4386 * rtl.h (insn_dependant_p): Declare it.
4387 * loop.c (strength_reduce): Use it.
4389 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4391 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4392 16-bit and 64-bit clean-up.
4394 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4396 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4397 * configure: Rebuilt.
4399 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4401 * genopinit.c: Use $ for escape sequences in optab patterns.
4402 Remove backslashes from optab patterns. Change $A, $B, $C to
4403 expand to (int) whatever instead of just whatever; remove
4404 explicit (int) from all optab patterns.
4406 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4407 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4408 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4409 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4412 2000-05-18 Richard Henderson <rth@cygnus.com>
4414 * jump.c (jump_optimize_1): Base minimum insn count during
4415 find_cross_jump on BRANCH_COST.
4417 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4419 * print-rtl.c (print_rtx): Only print note line number as string
4420 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4421 * final.c (final_scan_insn): Do nothing for note line number 0.
4423 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4425 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4426 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4427 NOTE_INSN_DELETED_LABEL.
4429 2000-05-18 Nick Clifton <nickc@cygnus.com>
4431 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4432 uninitialised data in .rodata not .bss, and do not interpret an
4433 error in the initialisation value as meaning that the variable
4434 should be placed in the .bss section.
4436 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4438 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4439 not `$ac_cv_prog_cc_cc_c_o'.
4440 * configure: Regenerated.
4442 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4443 Richard Henderson <rth@cygnus.com>
4445 * c-common.h (enum c_tree_index): Add g77 type entries.
4446 (g77_integer_type_node, g77_uinteger_type_node): New.
4447 (g77_longint_type_node, g77_ulongint_type_node): New.
4448 * c-decl.c (init_decl_processing): Initialize them.
4450 2000-05-18 Richard Henderson <rth@cygnus.com>
4452 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4454 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4455 (small_power_of_two): Likewise; use exact_log2.
4456 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4457 (output_adds_subs): Remove.
4458 (two_insn_adds_subs_operand): New.
4459 (split_adds_subs): New.
4460 * config/h8300/h8300-protos.h: Update.
4461 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4462 (CONST_OK_FOR_L): Match strict adds operands.
4463 (CONST_OK_FOR_N): Match struct subs operands.
4464 * config/h8300/h8300.md (adds_subs insns): Remove.
4465 (addhi patterns): Output adds/subs directly.
4466 (addsi_h8300h): Likewise.
4467 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4469 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4471 * cppexp.c (parse_assertion): New.
4472 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4473 (_cpp_parse_expr): Remove case '#'. Don't set
4474 parsing_if_directive.
4475 * cpphash.c (collect_objlike_expansion,
4476 collect_funlike_expansion, collect_params,
4477 _cpp_create_definition): The list no longer has a trailing
4479 * cpphash.h (enum node_type): Add T_ASSERTION.
4480 (struct hashnode): Remove aschain, add pred.
4481 (struct predicate): New.
4484 * cpplex.c (expand_token_space): Handle both offset and
4486 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4487 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4488 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4489 _cpp_equiv_toklists): New.
4490 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4491 stop at any single-character token, not just newline.
4492 (_cpp_lex_token): Remove special cases for #define and #if.
4493 (cpp_get_token): Expect # as a separate token type. Remove
4495 (_cpp_get_directive_token): Remove DIRECTIVE case.
4496 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4498 * cpplib.c (_cpp_check_directive): Set dirno and
4499 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4500 (_cpp_handle_directive): Run # <number> through the same logic
4501 as normal directives.
4502 (do_define): Don't set parsing_define_directive. Use
4503 _cpp_scan_until. The list does not have a VSPACE at the end.
4504 (do_if): Save, clear, and restore only_seen_white around
4506 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4507 (do_assert, do_unassert): Rewrite.
4509 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4510 (LIST_OFFSET): New flag.
4511 (struct cpp_toklist): Replace dir_handler and dir_flags with
4513 (struct cpp_reader): Remove parsing_if_directive and
4514 parsing_define_directive.
4516 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4518 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4519 following the cabs decl which terminate on the following line.
4520 Add the corresponding test_text case.
4522 2000-05-18 Neil Booth <NeilB@earthling.net>
4524 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4525 default tab stop size.
4526 (no_num, OPT_ftabstop): New.
4527 (handle_option): Handle "ftabstop=" command-line option.
4528 (print_help): Document it.
4529 * cpplex.c (COLUMN): Remove.
4530 (handle_newline): Reset col_adjust.
4531 (skip_whitespace): Update col_adjust as tabs encountered.
4532 (_cpp_lex_line): Update to use col_adjust. Call
4533 skip_whitespace for all whitespace.
4534 * cpplib.h (struct cpp_options): New member tabstop.
4535 (struct cpp_reader): New member col_adjust.
4536 (CPP_BUF_COL): Update.
4537 (CPP_BUF_COLUMN): New.
4538 * cpp.texi: Document "-ftabstop=" command line option.
4540 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4542 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4544 * configure: Rebuilt.
4546 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4548 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4550 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4551 HOST_BITS_PER_WIDE_INT is >= 64.
4553 2000-05-17 Richard Henderson <rth@cygnus.com>
4555 * jump.c (jump_optimize_1): Remove inactive but real insns
4556 in jump-to-next-insn optimization.
4558 2000-05-17 Richard Henderson <rth@cygnus.com>
4560 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4561 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4562 Don't call recompute_reg_usage if no_new_pseudos is true.
4563 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4564 Return true if we did work; update global life information.
4565 * basic-block.h (optimize_mode_switching): Update decl.
4567 2000-05-17 Neil Booth <neilb@earthling.net>
4569 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4571 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4573 * cpplib.c: New feature, #pragma system_header.
4574 * cpp.texi: Document special treatment of system headers, and
4575 the various mechanisms to get a header that special treatment.
4577 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4579 * system.h (offsetof): Define at the very end, to ensure we prefer
4580 the platform's definition if available.
4582 2000-05-16 Bruce Korb <bkorb@gnu.org>
4584 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4585 * fixinc/server.c: likewise
4586 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4587 + #ifdef debugging code + use #def constant for
4589 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4590 on C++ math namespace
4592 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4594 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4595 Don't check the return value of sprintf. Use asprintf to avoid
4598 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4600 * flags.h (warn_unused_function, warn_unused_label,
4601 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4602 Replace ``warn_unused''.
4603 (set_Wunused): Add declaration.
4604 * toplev.c (set_Wunused): New function.
4605 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4606 warn_unused_variable, warn_unused_value): New variables.
4607 (W_options): Add -Wunused-function, -Wunused-function,
4608 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4609 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4611 * toplev.c (decode_W_option): Update -Wunused flags by calling
4613 * c-decl.c (c_decode_option): Ditto for -Wall.
4615 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4616 warn_about_unused_variables): Replace warn_unused with more
4617 explicit warn_unused_value et.al.
4618 * function.c (expand_function_end): Ditto.
4619 * c-typeck.c (internal_build_compound_expr,
4620 internal_build_compound_expr): Ditto.
4621 * c-decl.c (poplevel, pop_label_level): Ditto.
4622 * toplev.c (check_global_declarations): Replace warn_unused with
4623 check for either warn_unused_function or warn_unused_variable.
4625 * gcc.1, invoke.texi (Warning Options): Document
4626 -Wunused-function, -Wunused-function, -Wunused-label,
4627 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4629 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4631 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4632 $(srcdir), not in the current directory.
4634 2000-05-16 Richard Henderson <rth@cygnus.com>
4636 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4637 assembler supports it.
4638 (.fini, .init): Use a gp-relative indirect call.
4639 (__do_global_dtors_aux): Preserve the gp; rebundle.
4640 (__do_frame_setup): Likewise.
4641 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4642 (.init): Use a gp-relative indirect call.
4643 (__do_global_ctors_aux): Preserve the gp.
4645 2000-05-16 Richard Henderson <rth@cygnus.com>
4647 * flow.c (commit_one_edge_insertion): Be prepared for a return
4648 insn to be inserted on the edge with a normal jump.
4649 * jump.c (jump_optimize_1): Don't look to create return isns.
4651 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4652 * jump.c (jump_optimize_1): Likewise.
4653 (returnjump_p): Verify the argument is a JUMP_INSN.
4654 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4656 2000-05-16 Nick Clifton <nickc@cygnus.com>
4658 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4659 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4660 (large_insn_p): Ditto.
4661 (m32r_is_insn): New function: Return true if the insn contains
4662 an executable instruction.
4663 (m32r_adjust_insn): Use m32r_is_insn.
4664 (m32r_sched_reorder): Use m32r_is_insn.
4665 (m32r_sched_variable_issue): Use m32r_is_insn.
4667 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4669 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4672 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4674 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4675 according to given options.
4677 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4679 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4680 if X has VOIDmode either.
4681 (LIMIT_RELOAD_CLASS): Similarly.
4683 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4684 not "general_operand" to match the processor's capabilities.
4686 2000-05-16 Bruce Korb <bkorb@gnu.org>
4688 * fixinc/README: corrected return address
4689 * fixinc/check.diff: regenerate, now that test works
4690 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4691 (char_macro_def_fix,char_macro_use_fix): corrected and
4692 rewrote to use regex to parse the text
4693 * fixinc/inclhack.def: more testing
4694 * fixinc/fixincl.x: regenerated
4696 * fixinc/inclhack.def: added several "test_text" attributes
4697 changed several fixes to use `c_fix = format'
4698 re-alphabetized the fixes
4700 * fixinc/check.diff: regenerate
4701 * fixinc/fixincl.x: regenerate
4702 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4706 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4708 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4710 2000-05-15 Richard Henderson <rth@cygnus.com>
4712 * toplev.c (rest_of_compilation): Run full jump pass before
4713 find_basic_blocks of flow2.
4715 2000-05-15 Richard Henderson <rth@cygnus.com>
4717 * jump.c: Fix typos and clarify commentary from last change.
4718 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4719 (safe_to_remove_jump_p): Remove.
4720 (condjump_label): Use pc_set.
4722 2000-05-15 Richard Henderson <rth@cygnus.com>
4724 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4725 that get in the way after reload.
4726 (cond_exec_process_if_block): Skip a label heading THEN block.
4728 2000-05-15 Richard Henderson <rth@cygnus.com>
4730 * varasm.c (output_constant_pool): Abort instead of converting
4731 (improperly) deleted labels to zero.
4733 2000-05-16 Neil Booth <NeilB@earthling.net>
4735 * cpplex.c (parse_string2): Update comment.
4736 (cpp_lex_line): No special assertion treatment for '('.
4737 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4738 * cpplib.h (SYNTAX_ASSERT): Remove.
4740 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4742 * jump.c (condjump_p): Mark as depreached.
4743 (any_condump_p): New.
4744 (any_uncondump_p): New.
4746 (safe_to_remove_jump_p): New.
4747 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4748 safe_to_remove_jump_p): Declare.
4750 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4752 * calls.c: Re-install both patches reverted by last patch.
4753 (struct arg_data): New field tail_call_reg.
4754 (initialize_argument_information): Initialize tail_call_reg
4755 (load_register_parameters): New argument flags, use
4756 tail_call_reg when emiting tail call sequence.
4757 (expand_call): Update call of load_register_parameters;
4758 copy unadjusted_args_size to adjusted_args_size.
4760 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4762 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4763 and bct_p parameters to flags.
4764 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4765 * rtl.h (loop_optimize): Update prototype.
4766 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4768 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4770 * calls.c (expand_call): Move expand_start_target_temps call after
4773 2000-05-15 Neil Booth <NeilB@earthling.net>
4775 * cpphash.c (trad_stringify, warn_trad_stringify,
4776 collect_params): Make some pointers pointers to const.
4777 * cpplex.c (auto_expand_name_space) Guaranteed to always
4778 expand by at least one character.
4779 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4780 (struct token_spelling): Use const U_CHAR * rather than PTR.
4781 (expand_name_space): Fix up token pointers if name space
4782 is moved when expanding.
4783 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4784 parse_string2, save_comment, spell_token, cpp_output_list):
4785 Update so the routines handle tokens with a direct pointer to
4786 their text, rather than an offset into the token's list's namebuf.
4787 (_cpp_lex_line): Rearrange for clarity.
4789 * cpplib.c (_cpp_check_directive): Similarly.
4790 (do_define): Make SYM a pointer to const.
4791 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4792 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4793 (TOK_OFFSET): Delete.
4796 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4798 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4801 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4803 (logical_u_operand): Delete.
4804 (non_logical_cint_operand): Rewrite to take MODE into account.
4805 (non_logical_u_cint_operand): Delete.
4806 (boolean_operator): New function.
4807 (print_operand): Add new %q operand.
4808 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4809 remove logical_u_operand and non_logical_u_cint_operand,
4810 update logical_operand and non_logical_cint_operand.
4811 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4812 logical operations to use %q.
4814 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4815 (movdi): Make similar to movsi.
4816 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4817 is no such thing as a DImode CONST_DOUBLE.
4818 * config/rs6000/rs6000.c (output_toc): Likewise.
4820 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4821 codes when old mnemonics are in use. Print register names
4822 for cc registers when requested.
4824 * optabs.c (expand_float): Don't allow mode widening that causes
4827 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4828 flags to their current names -maix64 and -maix32.
4830 2000-05-14 Bruce Korb <bkorb@gnu.org>
4832 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4833 and/or after current text of file
4834 * fixinc/fixlib.c(must_malloc):
4835 * fixinc/fixlib.h(must_malloc): + reformatting
4836 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4837 with usages of ``c_fix = wrap;''
4838 Add several tests and use the ``c_fix = format'' fixer more.
4839 * fixinc/fixincl.x: regen
4840 * fixinc/check.diff: regen
4841 * fixinc/check.tpl: emit the associated header with the missing
4844 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4846 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4847 variables $src and $dst.
4849 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4851 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4852 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4853 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4854 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4856 (set_message_prefixing_rule): Declare.
4858 * diagnostic.c: (current_prefixing_rule): New variable.
4859 (set_message_prefixing_rule): Define.
4860 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4861 (init_output_buffer): Adjust Initialization.
4862 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4864 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4866 * ifcvt.c (if_convert): Do not free NULL.
4868 2000-05-12 Nick Clifton <nickc@cygnus.com>
4870 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4871 to move a double word value.
4872 (di_operand): New function: Return true if the operand is suitbale
4873 for a double word move operation.
4874 (nonimmediate_di_operand): New function: Return true if the
4875 operand is a DImode register or MEM.
4877 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4878 nonimmediate_di_operand.
4880 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4881 nonimmediate_di_operand.
4883 * config/fr30/fr30.md (movdi): New pattern. Required because
4884 other patterns generate DImode results.
4885 (movdi_insn): New pattern.
4887 2000-05-12 Richard Henderson <rth@cygnus.com>
4889 * config/alpha/alpha.c (struct shadow_summary): Define
4890 bitfields as type unsigned int.
4892 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4894 * config/avr/t-avr: Added definition of FLOAT while generates
4897 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4898 peepholes for tst+jump = sbrs/sbrc optimization.
4900 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4902 * expr.c (emit_push_insn): Do not adjust stack pointer when
4905 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4907 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4908 * system.h (offsetof): ... to here.
4910 2000-05-12 Richard Henderson <rth@cygnus.com>
4912 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4913 * final.c (final_end_function): Use app_disable. Rearrange note
4914 handling into a switch. Emit deleted labels.
4915 (output_asm_label): Generate label strings for deleted labels.
4916 * flow.c (tail_recursion_label_list): New.
4917 (find_basic_blocks_1): Set label_value_list directly. Collect list
4918 of tail recursion labels from call_placeholders. Don't add deleted
4919 labels to the label value list.
4920 (cleanup_cfg): Use free_EXPR_LIST_list.
4921 (flow_delete_insn_chain): Turn non-removable labels into notes.
4922 (flow_delete_block): Don't disable deleting the block because of
4923 a non-removable label.
4924 (tail_recursion_label_p): New.
4925 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
4927 (merge_blocks_move_successor_nojumps): Likewise. Also move a
4929 (merge_blocks): Disable a merge because of tail recursion labels.
4930 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
4931 Use a more accurate measure of not merging the join block.
4932 (find_if_block): Don't disable conversion because of a label.
4933 (find_if_case_1, find_if_case_2): Likewise.
4934 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
4935 element when copying.
4936 (squeeze_notes): Also leave EH notes.
4937 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
4939 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
4941 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
4942 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
4943 referring to a deleted label. Convert tail handling to a switch.
4944 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
4945 for NOTE_INSN_DELETED_LABEL.
4946 (NOTE): Fix commentary.
4947 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
4948 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
4949 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
4950 (LABEL_NUSES, LABEL_REFS): Likewise.
4951 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
4953 2000-05-12 Bruce Korb <bkorb@gnu.org>
4955 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
4956 * fixinc/check.diff: updated
4957 * fixinc/inclhack.def: corrected & added some test_text-s
4958 * fixinc/genfixes: removed unneeded options to autogen invocation
4959 * fixinc/fixincl.tpl: Specified the output file
4960 * fixinc/fixfixes.c: visual appearance
4961 * fixinc/fixincl.x: regenerate
4963 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
4965 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
4966 CTRL_defn_fix): Delete.
4967 (fix_char_macro_defines, fix_char_macro_uses): Rename to
4968 char_macro_def_fix and char_macro_use_fix, respectively. Put
4969 them into the FIXUP_TABLE. Get the string to search for from
4972 (format_write): New function.
4973 (format_fix): Use it.
4975 (FIX_PROC_HEAD): Constify text parameter.
4976 (machine_name_fix): Constify all char *s.
4977 * fixtests.c (skip_quote): Remove double static.
4979 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
4980 ctrl_use_quotes): Update for new scheme.
4981 * fixincl.x: Regenerate.
4983 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
4985 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
4987 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
4988 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4990 2000-05-11 Robert Lipe <robertlipe@usa.net>
4992 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
4993 * fixincl.x: Regenerate.
4995 2000-05-11 Richard Henderson <rth@cygnus.com>
4997 * calls.c: Revert both 05-09 patches.
4999 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5001 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5003 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5006 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5007 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5009 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5011 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5013 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5015 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5017 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5019 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5020 * config/avr/avr.c (jump_over_one_insn_p): New function.
5021 * config/avr/avr.md: New peepholes added. Output test and
5022 conditional jump to "sbrc" or "sbrs" command.
5024 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5026 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5028 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5030 * except.c (find_exception_handler_labels_1): New function.
5031 (find_exception_handler_labels): Split into two functions, dive
5032 into CALL_PLACEHOLDERs when looking for exception handler labels.
5034 2000-05-11 Stan Cox <scox@cygnus.com>
5036 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5037 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5038 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5040 2000-05-11 Bruce Korb <bkorb@gnu.org>
5042 * fixinc/fixfixes.c (double_slash_fix): obsolete
5043 (else_endif_label_fix): obsolete
5044 (format_fix): new, unused as yet
5046 * fixinc/fixlib.h: added fix description struct for use by format_fix
5047 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5048 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5049 modules. Removed the vestiges of the script version.
5050 Added support for "make check".
5051 * fixinc/check.diff: base diff file (needs work!!)
5052 * fixinc/check.tpl: quiet the fixup output
5053 * fixinc/fixtests.c (main): obsolete
5054 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5055 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5057 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5059 * toplev.c (rest_of_compilation): Remove dead code after
5062 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5064 * cpphash.c (collect_funlike_expansion): Make "# is not
5065 followed by a macro argument name" a pedwarn, not an error.
5066 Preserve the # in the output. Suppress the warning if lang_asm.
5068 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5070 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5071 * configure: Rebuilt.
5073 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5075 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5077 2000-05-10 Kazu Hirata <kazu@hxi.com>
5079 * combine.c (try_combine): Fix a typo.
5081 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5083 * config/ia64/ia64.md (insv): Add comment.
5085 2000-05-10 Richard Henderson <rth@cygnus.com>
5087 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5088 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5089 dependancies on FPBIT and DPBIT.
5091 2000-05-10 Nick Clifton <nickc@redhat.com>
5093 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5094 when optimising for size.
5095 (mark_used_regs:) Ditto.
5096 (try_pre_increment_1): Ditto.
5098 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5100 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5101 Make error message friendlier.
5103 * cpphash.h (struct hashnode): Use struct hack for name
5105 * cpphash.c (struct hashdummy): New.
5106 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5107 (make_HASHNODE): No need to set ->name pointer. Correct
5109 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5111 2000-05-10 Richard Henderson <rth@cygnus.com>
5113 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5116 2000-05-10 Bruce Korb <bkorb@gnu.org>
5118 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5120 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5122 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5123 after we enter .debug.
5125 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5127 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5128 abstract instance of a nested inline function.
5130 * stor-layout.c (finish_record_layout): finalize_type_size
5131 before laying out the pending_statics.
5133 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5135 * cpplex.c (spell_token): New function.
5136 (spell_string, spell_comment, spell_name): fold into
5139 (E, H): Remove macros.
5140 (save_comment): Save comment opening characters too.
5141 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5143 * cpplib.h (I, S): Add macros.
5144 (E, H): Remove macros.
5145 (TTYPE_TABLE): Update entries for new speller.
5146 (SYNTAX_ASSERT): Remove.
5148 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5150 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5151 when removing escaped newlines. Reverse sense of test for
5154 2000-05-09 Richard Henderson <rth@cygnus.com>
5156 * flow.c (find_basic_blocks_1): Do not delete the first
5157 bb_note we run across.
5158 (create_basic_block): Use reorder_insns to move an existing
5159 bb_note to the correct place.
5161 2000-05-09 Richard Henderson <rth@cygnus.com>
5163 * calls.c (expand_call): Increment currently_expanding_call
5164 before calling optimize_tail_recursion.
5166 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5168 * reload1.c (reload_combine): Fix errors in last change.
5170 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5172 * gcc.c (used_arg): Skip over a semicolon at the end of the
5173 split-up loop; don't break out of it.
5175 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5176 (tree.o): Depend on output.h.
5178 * c-decl.c (pending_invalid_xref_file,
5179 current_function_prototype_file): Constify.
5180 (pushdecl): Constify a local char *.
5181 (define_label): Constify filename parameter.
5182 * c-lex.c (init_parse): Constify parameter and return value.
5183 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5184 * c-tree.h: Update prototypes.
5185 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5186 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5187 objc/objc-parse.c: Regenerate.
5189 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5190 * dwarfout.h: Update prototypes.
5191 * expr.c (expand_expr): Constify a local char *.
5192 * flags.h: Constify main_input_filename.
5193 * function.c (expand_function_end): Constify filename parameter.
5194 * genrecog.c (make_insn_sequence): Use a character array for
5196 (main): Remove unused variables.
5197 * input.h: Constify input_filename, main_input_filename, and
5198 file_stack.name. Update prototypes.
5199 * output.h: Declare first_global_object_name and
5200 weak_global_object_name here, as const char *.
5201 * stmt.c (expand_asm_operands): Constify filename parameter.
5202 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5203 Constify filename parameter.
5204 (input_filename, main_input_filename): Constify.
5205 * toplev.h: Update prototypes.
5206 * tree.c: Include output.h. Don't declare
5207 first_global_object_name or weak_global_object_name. Clean up string
5208 bashing in get_file_function_name_long.
5209 * tree.h (struct tree_decl): Constify filename member.
5210 (input_filename): Constify.
5212 * varasm.c (first_global_object_name, weak_global_object_name):
5214 (assemble_start_function, assemble_variable): Clean up string bashing.
5216 * gcc.c: Constify all spec-related strings initialized,
5217 transitively, from string constants. Constify all strings
5218 and string variables related to multilibs.
5219 (set_spec, read_specs): Cast argument to free to PTR.
5220 (used_arg): Do not modify multilib_matches. Use strncmp plus
5221 length comparison to compare multilib switches.
5222 * genmultilib: Constify everything declared in multilib.h.
5224 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5226 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5229 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5231 * config/avr/avr-protos.h (extra_constraint): change a type of
5232 second argument from char to int to avoid warnings.
5233 (asm_output_byte): Likewise.
5235 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5236 (initial_elimination_offset): Handle elimination from
5237 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5238 (legitimate_address_p): Use MAX_LD_OFFSET.
5239 (legitimize_address): Likewise.
5240 (out_movqi_r_mr): Likewise.
5241 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5242 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5243 (out_movsi_mr_r): Likewise.
5244 (out_movqi_mr_r): Likewise.
5245 (out_movhi_mr_r): Likewise.
5246 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5247 count as CONST_INT != 6.
5248 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5249 shift count is a CONSTANT_P, but not a CONST_INT.
5250 (ashlhi3_out): Coding style modifications.
5251 (ashlsi3_out): Likewise.
5252 (ashrhi3_out): Likewise.
5253 (ashrsi3_out): Likewise.
5254 (lshrhi3_out): Likewise.
5255 (lshrsi3_out): Likewise.
5256 (ashrqi3_out): Generate shift for any known constant count without
5257 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5258 but not a CONST_INT.
5259 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5260 shift count is a CONSTANT_P, but not a CONST_INT.
5261 (extra_constraint): change a type of
5262 second argument from char to int to avoid warnings.
5263 (asm_output_byte): Likewise.
5264 (asm_file_end): Output size generated commands count as a hex
5267 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5269 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5271 (ashlqi3): Values of "length" attribute changed. Shift count
5272 uses constraints 'n' instead of 'i'.
5273 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5274 shifts without clobber register.
5275 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5276 (call_insn): Correct test for which_alternative == 1 (was 0).
5277 (call_value_insn): Likewise.
5279 * config/avr/t-avr: Remove definition of FLOAT while generates
5282 2000-05-09 Bruce Korb <bkorb@gnu.org>
5284 * fixinc/check.tpl: Template for checking fixes
5285 * fixinc/inclhack.def: Added 'test_text' for many fixes
5286 disable hpux8_bogus_inlines on SCO
5287 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5289 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5291 * calls.c (expand_call): Reorganize somewhat in order
5292 to avoid unnecesary recalculation inside loop and make
5293 tail call failure code cleaner.
5295 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5297 * alias.c (nonlocal_reference_p): Minor reformatting.
5298 * reload.c (find_equiv_reg): Simplify logic for
5299 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5300 some some reformatting.
5301 * reload1.c (reload_combine): Don't assume everything in
5302 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5304 2000-05-08 Richard Henderson <rth@cygnus.com>
5306 * final.c (current_insn_predicate): New.
5307 (final_scan_insn): Set it.
5308 * output.h (current_insn_predicate): Declare.
5310 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5311 Attach it to call insns.
5312 (cond_exec_process_if_block): Track probability for true and
5314 (dead_or_predicable): Likewise.
5316 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5317 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5318 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5319 (estimate_probability, expected_value_to_br_prob): Use them.
5321 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5322 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5323 (ia64_expand_prediction): New.
5324 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5325 as needed after calls.
5326 (ia64_epilogue_uses): Mark b0 used.
5327 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5328 (bne_true, bne_false): Remove.
5329 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5330 (br_true, br_false): New. Use predicate_operator and
5331 ia64_expand_prediction.
5332 (return_true, return_false): Likewise.
5333 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5334 (call_internal1, call_value_internal): Likewise.
5335 (call_value_internal1, call_multiple_values_internal1): Likewise.
5337 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5339 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5341 2000-05-08 Richard Henderson <rth@cygnus.com>
5343 * rtlanal.c (may_trap_p): Consider old-style and volatile
5346 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5348 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5350 2000-05-08 Richard Henderson <rth@cygnus.com>
5352 * config/ia64/ia64.h (predicate_operator): Declare.
5354 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5357 * gensupport.c (process_rtx): Copy and post-process each member
5358 of the define_insn rtvec individually.
5360 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5362 * cpplex.c (spell_token): New function.
5363 (TOKEN_LEN): Add 1 for whitespace.
5364 (_cpp_lex_file): Update to use spell_token.
5365 * cpplib.h (E): Remove.
5366 (TTYPE_TABLE): Update CPP_VSPACE entry.
5368 2000-05-08 Richard Henderson <rth@cygnus.com>
5370 * flow.c (init_propagate_block_info): Watch out for conditional
5371 branch to next instruction, and thus one outgoing edge.
5373 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5374 for global register variables; don't special case __[CD]TOR_LIST__;
5375 mind ggc_p for string allocation.
5377 2000-05-08 Nick Clifton <nickc@cygnus.com>
5379 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5381 2000-05-08 Bruce Korb <bkorb@gnu.org>
5383 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5384 i?86-*-msdosdjgpp* no longer uses fixincludes
5385 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5386 * fixinc/inclhack.sh: deleted
5387 * fixinc/hackshell.tpl: deleted
5388 * fixinc/inclhack.tpl: deleted
5389 * fixinc/Makefile.in: Remove dependencies on above
5390 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5392 2000-05-08 Andreas Jaeger <aj@suse.de>
5394 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5397 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5399 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5402 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5404 * cpplex.c: Move new lexer definitions and prototypes
5405 to top. Conditional include these and the code if
5406 NEW_LEXER is defined. Rename functions whose names
5407 clash if this code included.
5409 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5411 * rtl.def (COND_EXEC): Clarify.
5413 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5414 same fashion as zero_extendsidi2.
5416 2000-05-06 Richard Henderson <rth@cygnus.com>
5418 * config/ia64/ia64.c (predicate_operator): New.
5419 (ia64_print_operand): Handle 'J'.
5420 (rtx_needs_barrier): Handle COND_EXEC.
5421 * config/ia64/ia64.h (BRANCH_COST): Define.
5422 (PREDICATE_CODES): Update.
5423 * config/ia64/ia64.md: Docuement used unspec values.
5424 (attr predicable): New.
5425 (movxf, movxf_internal): New.
5426 (extendsfdf2): Don't comment out nop.
5427 (floatdidf2): Remove.
5428 (truncxfsf2, truncxfdf2, floatdixf2): New.
5429 (abssi2, absdi2): Put the neg in the "true" slot.
5430 (conditional branch instructions): Mark not predicable.
5431 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5432 (abs*_internal): Likewise.
5433 (alloc, set_bsp): Mark not predicable.
5434 (barrier, insn_group_barrier, flush_cache): Likewise.
5435 (define_cond_exec): New.
5437 2000-05-06 Richard Henderson <rth@cygnus.com>
5439 * c-decl.c: Include "tm_p.h".
5441 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5442 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5443 (ia64_expand_op_and_fetch): Declare.
5444 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5445 (setjmp_operand): Constify variables for XSTR.
5446 (ia64_encode_section_info): Likewise.
5447 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5449 (ia64_asm_output_external): Constify name.
5450 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5451 (process_for_unwind_directive): Provide switch default.
5452 (ia64_expand_compare_and_swap): Remove unused variables.
5453 (ia64_expand_builtin): Likewise.
5454 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5457 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5458 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5459 (shift_count_operand, shift_32bit_count_operand): Likewise.
5460 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5461 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5462 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5463 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5464 (ia64_expand_builtin): Likewise.
5465 (call_multiple_values_operation): Make dest_regno unsigned.
5467 2000-05-06 Richard Henderson <rth@cygnus.com>
5469 * rtl.def (DEFINE_COND_EXEC): New.
5470 * md.texi: Document it.
5472 * gensupport.c (input_file): Remove.
5473 (struct queue_elem): Add lineno.
5474 (rtx_ready_queue): Remove.
5476 (predicable_default): New.
5477 (predicable_true, predicable_false): New.
5478 (define_attr_queue, define_attr_tail): New.
5479 (define_insn_queue, define_insn_tail): New.
5480 (define_cond_exec_queue, define_cond_exec_tail): New.
5481 (other_queue, other_tail): New.
5482 (queue_pattern): New.
5483 (process_rtx): Add patterns to the appropriate queues.
5484 (is_predicable, identify_predicable_attribute): New.
5485 (n_alternatives, collect_insn_data): New.
5486 (alter_predicate_for_insn, alter_test_for_insn): New.
5487 (shift_output_template, alter_output_for_insn): New.
5488 (process_one_cond_exec, process_define_cond_exec): New.
5489 (init_md_reader): Read the entire file. Process define_cond_exec.
5490 (read_md_rtx): Return elements from the queues.
5492 2000-05-06 Richard Henderson <rth@cygnus.com>
5494 * flow.c (mark_set_1): Don't update conditional life info
5495 if the register is not_dead.
5497 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5499 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5500 (mostlyclean): Also delete fixincl, fixinc.sh, and
5501 specs.ready, and make clean in the fixinc subdir.
5503 2000-05-06 Richard Henderson <rth@cygnus.com>
5505 * Makefile.in (gensupport.o): Compile for the host.
5506 (host-prefix gensuuprt.o): Remove.
5507 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5508 (genattrtab.o): Likewise.
5509 (gencodes.o): Depend on gensupport.h.
5510 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5511 (genpeep.o, genattr.o, genoutput.o): Likewise.
5513 * gensupport.c (obstack, rtl_obstack): New.
5514 (init_md_reader): Initialize rtl_obstack.
5515 * gensupport.h (rtl_obstack): Declare.
5516 (message_with_line): Declare.
5518 * genattr.c: Remove all traces of obstack manipulation.
5519 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5520 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5522 * genattrtab.c (obstack, rtl_obstack): Remove.
5523 (main): Don't init rtl_obstack.
5524 * genflags.c: Likewise.
5526 * genrecog.c (message_with_line): Move ...
5527 * gensupport.c: ... here.
5529 2000-05-06 Richard Henderson <rth@cygnus.com>
5531 * c-typeck.c (build_c_cast): Remove dead code.
5533 2000-05-06 Richard Henderson <rth@cygnus.com>
5535 * flow.c (split_edge): Don't allocate global_live_at_start for
5536 the new block unless the old blocks had them as well.
5538 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5540 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5541 test_bb if a or b uses x.
5543 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5545 * cpphash.h: Remove conditional #define of __extension__.
5546 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5547 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5548 (ENABLE_RTL_CHECKING only).
5549 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5550 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5551 (ENABLE_TREE_CHECKING only).
5552 * varray.h: Add __extension__ to VARRAY_CHECK macro
5553 (ENABLE_CHECKING only).
5555 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5557 Use new tail-calling mechanism on ARM.
5558 * arm.md (sibcall, sibcall_value): New expands.
5559 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5560 (tailcalling peepholes): Delete.
5561 (push_multi): Simplify.
5562 * arm.c (lr_save_eliminated): Delete definition.
5563 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5564 (output_return_instruction): Remove checks on lr_save_eliminated.
5565 (output_arm_prologue): Remove old tail-calling code.
5566 (arm_output_epilogue): New parameter, really_return. All callers
5567 changed. Handle tail-calling epilogues.
5568 * arm.h (lr_save_eliminated): Delete declaration.
5569 (frame_pointer_needed): Delete declaration.
5570 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5572 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5574 * arm.c (thumb_code): Define it.
5575 (arm_override_options): Set it.
5576 * arm.h (thumb_code): Declare it.
5578 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5580 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5582 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5584 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5585 bogus clobber to insns.
5586 (load_multiple_operation, store_mulitple_operation): Don't check
5588 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5590 * arm.md (and_scc, ior_scc): Add missing mode.
5592 * arm.md (call_value_symbol): Remove predicate from op2.
5594 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5596 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5598 * expr.c (get_subtarget): New function.
5599 (force_operand, expand_expr, do_store_flag): Use it.
5601 * toplev.c (compile_file): Don't take strlen of NAME if null.
5603 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5605 * xcoffout.c (xcoff_current_include_file,
5606 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5607 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5609 (xcoffout_declare_function): Make name 'const char *'.
5610 (xcoffout_end_epilogue): Make fname 'const char *'
5611 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5612 xcoffout_declare_function, xcoffout_source_line): Match above.
5614 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5616 * rs6000.c (print_operand): Fix lossage typo.
5617 (output_cbranch): Remove "cr" decoration for now.
5618 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5620 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5622 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5625 2000-05-05 Bruce Korb <bkorb@gnu.org>
5627 * fixinc/genfixes: Improve the matching for make target names
5629 2000-05-05 Catherine Moore <clm@cygnus.com>
5631 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5632 attribute to the decl.
5633 * c-decl.c (pushdecl): Propagate the USED attribute to the
5636 2000-05-05 Richard Henderson <rth@cygnus.com>
5638 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5639 same way emit_group_load does.
5641 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5643 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5645 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5648 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5650 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5652 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5654 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5655 to support -shared, on platforms with dynamic libraries.
5657 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5659 * system.h (S_ISBLK): Provide fallback definition.
5661 2000-05-05 Geoff Berry <geoffb@bops.com>
5663 * extend.texi (Extended Asm): Document inability to give asm
5664 statements access to condition codes.
5666 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5668 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5669 as arg 2 of UNIQUE_SECTION.
5671 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5673 * predict.c: Remove May 4 change.
5674 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5675 if we have predicted the branch at 50-50 probability.
5677 2000-05-05 Richard Henderson <rth@cygnus.com>
5679 * flow.c (init_propagate_block_info): Fix merge error
5680 in HAVE_conditional_execution code.
5682 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5684 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5685 shift cycle for unknown shift count. Also generates dec + brpl.
5686 (ashlqi3_out): Don't generate dec + brpl which now generates by
5687 `out_shift_with_cnt'.
5688 (ashlhi3_out): Likewise.
5689 (ashlsi3_out): Likewise.
5690 (ashrqi3_out): Likewise.
5691 (ashrhi3_out): Likewise.
5692 (ashrsi3_out): Likewise.
5693 (lshrqi3_out): Likewise.
5694 (lshrhi3_out): Likewise.
5695 (lshrsi3_out): Likewise.
5697 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5699 * gcc.c (free_split_directories): Correct typo in explanation
5700 of make_relative_prefix.
5702 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5704 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5705 comparison codes to branch_comparison_operator.
5707 2000-05-04 Richard Henderson <rth@cygnus.com>
5709 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5711 2000-05-04 Richard Henderson <rth@cygnus.com>
5713 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5714 (DPBIT_FUNCS): Remove _sf_to_usi.
5715 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5717 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5718 between condition and jump.
5720 * libgcc2.c (near eh_context_specific): Comment #endif string.
5721 * longlong.h: Don't use strings with embedded newlines.
5723 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5725 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5726 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5727 (print_operand): Delete %t and %T codes.
5728 (output_cbranch): New function. Support branch prediction.
5729 * config/rs6000/rs6000.md: Use output_cbranch for
5730 conditional branches and returns.
5732 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5734 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5735 * stor-layout.c (place_field): Likewise.
5736 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5737 * expr.c (store_expr): Make align unsigned.
5738 * explow.c (plus_constant_wide): Make low words unsigned.
5739 * expmed.c (choose_multiplier): Likewise.
5740 * fold-const.c (fold): Likewise.
5741 * tree.h (build_int_2): Likewise.
5742 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5743 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5744 (init_emit): Change cast to unsigned char*.
5745 * varasm.c (compare_constant_1): Add cast to char*.
5746 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5747 * reload1.c (reload): Likewise.
5749 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5751 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5753 * predict.c (estimate_probability): If no prediction was found, then
5754 predict the successor that is the next physical block (if such a
5757 2000-05-04 Richard Henderson <rth@cygnus.com>
5759 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5761 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5763 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5765 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5767 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5768 attribute macros from here ...
5769 (CPP_SPEC): to here.
5770 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5771 (CPP_SPEC): Likewise.
5772 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5774 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5775 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5777 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5779 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5781 * diagnostic (vbuild_message_string, build_message_string,
5782 build_location_prefix, output_get_prefix, init_output_buffer,
5783 output_notice, vline_wrapper_message_with_location,
5784 v_message_with_decl, default_print_error_function): De-constify.
5785 (set_real_maximum_length): Prototype.
5787 * diagnostic.h (struct output_buffer, init_output_buffer,
5788 output_get_prefix, output_set_prefix): De-constify.
5790 * function.c (init_function_start): Constify.
5792 * gensupport.c (remove_constraints, process_rtx): Prototype.
5794 * gthr-posix.h: Indent uses of #pragma.
5796 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5799 * predict.c (find_expected_value): Delete prototype.
5800 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5802 * sbitmap.h (debug_sbitmap): Prototype.
5804 * ssa.c (compute_coalesced_reg_partition): Prototype.
5806 * stor-layout.c (debug_rli): Prototype.
5808 * tree.h (round_down): Prototype.
5809 (init_function_start): Constify.
5811 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5813 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5814 (overly conservative). Change extern inline wrappers to
5815 static inline, define them always, use PARAMS properly.
5816 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5817 whitespace warnings for \f and \v at the beginning of a line.
5819 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5821 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5824 2000-05-04 Bruce Korb <bkorb@gnu.org>
5826 * fixincl/inclhack.def: added broken_cabs -
5827 Remove `extern double cabs' declarations from math.h
5828 * fixincl/inclhack.sh: regen
5829 * fixincl/fixincl.x: regen
5830 * fixincl/fixincl.c: Remove BOGOSITY code
5831 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5833 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5835 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5837 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5838 when calling MEM_COPY_ATTRIBUTES.
5839 * emit-rtl.c (operand_subword, change_address): Likewise.
5840 * explow.c (stabilize): Likewise.
5841 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5842 * integrate.c (copy_rtx_and_substitute): Likewise.
5843 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5844 when calling MEM_COPY_ATTRIBUTES.
5845 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5847 * cse.c (gen_lowpart_if_possible): Likewise.
5848 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5849 * optabs.c (gen_move_insn): Likewise.
5850 * recog.c (validate_replace_rtx_1): Likewise.
5851 * simplify-rtx.c (add_mem_for_addr): Likewise.
5852 * stmt.c (expand_anon_union_decl): Likewise.
5853 * config/arm/arm.md: Likewise.
5854 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5855 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5856 (block_move_no_loop, block_move_sequence): Likewise.
5857 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5858 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5859 Clear MEM_ALIAS_SET.
5860 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5861 MEM_COPY_ATTRIBUTES.
5863 2000-05-03 Robert Lipe <robertlipe@usa.net>
5865 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5866 to suppress libgcc1.
5867 (i[34567]86-*-sco3.2v5*) Likewise.
5868 (i[34567]86-*-sco3.2v4*) Likewise.
5869 (i[34567]86-*-sco) Likewise.
5870 (i[34567]86-*-solaris2) Likewise.
5871 (i[34567]86-*-sysv5*) Likewise.
5872 (i[34567]86-*-sysv4*) Likewise.
5873 (i[34567]86-*-udk*) Likewise.
5874 (i[34567]86-*-sysv*) Likewise.
5876 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5878 * cpphash.h (U): New define, to correct type of string constants.
5879 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5880 routines, to do casts when passing unsigned strings to libc.
5881 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5883 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5884 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5885 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5886 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5887 second argument an U_CHAR *.
5889 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5890 length field, clean up initializer.
5891 (ISTABLE): Add __extension__ to designated-
5892 initializers version.
5893 * cpplex.c (CHARTAB): Likewise.
5895 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5896 case so the file won't be empty.
5898 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5900 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5901 (REORDER_BLOCK_SUCC): Removed.
5902 (enum reorder_skip_type): Removed.
5903 (skip_insns_between_block): Renamed to skip_insns_after_block.
5904 Removed second argument. Removed dead code and cleaned up.
5905 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5906 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5907 second parameter to skip_insns_after_block.
5909 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5911 * tree.c (staticp, case LABEL_DECL): New case.
5913 2000-05-03 Richard Henderson <rth@cygnus.com>
5915 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5917 * mklibgcc1.in: Fix typo last change.
5919 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5921 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
5922 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
5923 (GCC_CFLAGS): Use it.
5924 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
5925 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
5926 objc/Make-lang.in: Use it.
5928 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
5930 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5932 2000-05-03 Richard Henderson <rth@cygnus.com>
5934 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
5935 LIBGCC1 empty with libgcc1.null.
5937 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
5939 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
5942 2000-05-03 Greg McGary <gkm@gnu.org>
5944 * tree.h (tree_common): Add bounded_flag member. Remove
5945 inaccurate comment about number of remaining bits.
5946 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
5947 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
5948 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
5949 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
5950 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
5951 (TYPE_QUAL_BOUNDED): New constant.
5952 (TYPE_QUALS): Handle bounded qualifier.
5953 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
5954 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
5955 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
5956 TYPE_AMBIENT_BOUNDEDNESS): New macros.
5957 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
5958 (tree_type): Add pointer_depth member. Remove
5959 inaccurate comment about number of remaining bits.
5960 (DECL_POINTER_DEPTH): Add macro.
5961 (tree_decl): Add pointer_depth member.
5963 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
5965 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
5966 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
5967 (lshrhi3_out): Likewise.
5968 (ashrsi3_out): bugfix in shift by 8.
5969 (test_hard_reg_class): New function.
5970 * config/avr/avr.md: Bugfix inside conditions in peepholes.
5971 (ashlhi3): removed define_expand of this pattern.
5972 (*ashlhi3_insn): renamed to ashlhi3.
5973 (ashlsi3): removed define_expand of this pattern.
5974 (*ashlsi3_insn): renamed to ashlsi3.
5975 (ashrqi3): removed define_expand of this pattern.
5976 (*ashrqi3_insn): renamed to ashrqi3.
5977 (ashrhi3): removed define_expand of this pattern.
5978 (*ashrhi3_insn): renamed to ashrhi3.
5979 (ashrsi3): removed define_expand of this pattern.
5980 (*ashrsi3_insn): renamed to ashrsi3.
5981 (lshrhi3): removed define_expand of this pattern.
5982 (*lshrhi3_insn): renamed to lshrhi3.
5983 (lshrsi3): removed define_expand of this pattern.
5984 (*lshrsi3_insn): renamed to lshrsi3.
5986 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
5988 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
5989 inclusion of "system.h".
5991 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
5993 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
5996 2000-05-03 David Mosberger <davidm@hpl.hp.com>
5998 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
5999 if -mauto-pic is on.
6000 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6001 -mconstant-gp is in effect and function-descriptors are being used
6002 to make indirect calls.
6003 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6004 (MASK_AUTO_PIC): Ditto.
6005 (TARGET_CONST_GP): Ditto.
6006 (TARGET_AUTO_PIC): Ditto.
6007 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6008 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6009 -mno-pic is in effect.
6010 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6011 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6012 -mauto-pic is in effect.
6013 (gprel64_offset): New pattern.
6014 (load_gprel64): Ditto.
6015 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6016 -mconstant-gp is in effect, no need to preserve gp around direct
6018 (call_value): Ditto.
6019 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6020 (FUNCTION_PROFILER): Define.
6021 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6022 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6023 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6025 2000-05-03 Richard Henderson <rth@cygnus.com>
6027 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6028 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6029 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6030 (mklibgcc, libgcc.mk): New targets.
6031 (libgcc.a): Use libgcc.mk.
6032 (stmp-multilib): Likewise.
6033 (stmp-multilib-sub): Remove.
6034 (mostlyclean): Don't delete libgcc2 temp files.
6035 * configure.in (AC_PROG_CC_C_O): Add.
6036 (NO_MINUS_C_MINUS_O): Substitute it.
6037 (all_outputs): Add mklibgcc.
6038 * mklibgcc.in: New file.
6040 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6042 * cppexp.c (op_t): Make an int.
6044 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6046 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6048 * gensupport.c (process_rtx): Fix macros used.
6050 2000-05-03 Richard Henderson <rth@cygnus.com>
6052 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6053 call-clobbered registers of a call.
6055 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6057 * gensupport.c: New file.
6058 * gensupport.h: New file.
6059 * Makefile.in (HOST_RTL): Depend on gensupport.
6060 (gensupport.o) New rule.
6061 * genattr.c: Use gensupport for reading .md files.
6062 * genattrtab.c: Ditto.
6063 * gencodes.c: Ditto.
6064 * genconfig.c: Ditto.
6066 * genextract.c: Ditto.
6067 * genflags.c: Ditto.
6068 * genopinit.c: Ditto.
6069 * genoutput.c: Ditto.
6071 * genrecog.c: Ditto.
6072 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6073 * md.texi (Insn Splitting): Document define_insn_and_split.
6075 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6077 * flow.c (verify_flow_info): Added two more sanity checks. The
6078 first checks that the blocks are numbered consecutively. The second
6079 checks that n_basic_blocks is actually equal to the number of
6080 basic blocks in the insn chain.
6082 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6084 * cpplib.h: Add accessor macros for token lists.
6085 * cpplib.c, cpphash.c, cpplex.c: Use them.
6087 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6089 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6090 memory usage if not in a function.
6091 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6092 return address if static.
6094 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6096 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6097 whether address may trap.
6099 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6101 * bb-reorder (chain_reorder_blocks): Changed code to test for
6102 EDGE_FALLTHRU rather than making erroneous assumption that the
6103 first outgoing edge is the fall-through edge.
6105 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6107 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6108 ABI for varargs, across all MIPS. This is incompatible because the
6109 va_list (__builtin_va_list) structure is different, so a compilation
6110 unit passing a va_list and a compilation unit being passed one, should
6111 both be compiled with the same ABI. (The old structure had two
6112 pointers, now it has three.)
6114 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6116 * bb-reorder.c (struct reorder_block_def): Remove members end,
6117 block_begin, and block_end.
6118 (REORDER_BLOCK_OLD_END): Delete.
6119 (REORDER_BLOCK_BEGIN): Delete.
6120 (REORDER_BLOCK_END): Delete.
6121 (chain_reorder_blocks): Remove dead code.
6123 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6125 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6126 notes as the end of a basic block before deleting.
6128 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6130 * final.c (final_start_function): Fix spelling of "necessary".
6132 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6134 * toplev.c (debug_ignore_block): Return int.
6135 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6136 * toplev.h, dwarf2out.h: Adjust.
6137 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6139 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6140 * toplev.c, final.c, rtl.h: Adjust.
6142 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6144 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6145 * configure.in: Look for makeinfo in the unified tree, then
6146 for a system makeinfo which is sufficiently new.
6147 * Makefile.in: If configure says makeinfo is too old, don't
6148 build or install Info documentation.
6150 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6152 * cpphash.c (collect_params): Fix off-by-one error.
6153 (dump_hash_helper): Dump all four macro nodetypes.
6155 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6157 * cpphash.c (trad_stringify): Adjust p after stringification as
6160 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6162 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6163 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6165 * cppfiles.c (file_cleanup): Delete.
6166 * cpphash.c (macro_cleanup): Delete.
6167 (collect_objlike_expansion, collect_funlike_expansion,
6168 macarg, scan_arguments): Remove CPP_POP case.
6170 * cpplex.c (null_cleanup): Delete.
6171 (cpp_pop_buffer): Do the work that was done in the cleanups
6172 here. Call _cpp_unwind_if_stack from here.
6173 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6174 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6175 stack is the buffer _below_ the one we stacked.
6176 (cpp_get_token): Always pop an exhausted buffer. Return
6177 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6178 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6179 increment the line number.
6180 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6182 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6183 we see CPP_EOF and the top of stack is the buffer _below_ the
6185 * scan-decls.c: Likewise.
6187 2000-05-02 Andrew Haley <aph@cygnus.com>
6189 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6190 where this function is called for the second time on a decl that
6191 has had its section info changed in such a way as to move it out
6193 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6195 2000-05-01 Richard Henderson <rth@cygnus.com>
6197 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6198 the sequence we're moving, not to merge_bb->head.
6200 2000-05-01 Richard Henderson <rth@cygnus.com>
6202 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6203 reference to alpha/t-linux.
6204 (alpha*-*-linux-gnu*): Likewise.
6205 * configure: Rebuild.
6207 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6209 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6212 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6214 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6216 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6219 2000-05-01 Richard Henderson <rth@cygnus.com>
6221 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6222 emit_conditional_move.
6224 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6226 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6227 as the dynamic linker.
6229 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6231 * cppfiles.c (open_include_file): Open file in blocking mode.
6232 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6233 Only exclude block devices and directories.
6235 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6236 static. Allocate the hashnode and its string in the same
6238 (del_HASHNODE): Don't free h->name.
6239 (_cpp_lookup): If there is no entry for this string, create
6240 one, of type T_VOID.
6241 (_cpp_lookup_slot): Delete.
6242 * cpphash.h: Update prototypes.
6244 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6246 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6247 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6248 node here, just fill in the value field properly. "Delete"
6249 entries by setting the value field to T_VOID. Check for
6250 hp->type == T_VOID, not hp == NULL.
6252 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6253 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6256 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6258 * config/mn10300/mn10300.c (print_operand_address): Do not add
6261 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6262 adjusted by less than 256 bytes, use ret regardless of having any
6263 callee-saved register to restore.
6265 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6267 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6269 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6271 * config/i386/djgpp.h (INT_ASM_OP): Define.
6272 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6273 (ASM_WEAKEN_LABEL): Define.
6274 (MASK_BNU210): Define.
6275 (SUBTARGET_SWITCHES): Define.
6276 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6277 (MAKE_DECL_ONE_ONLY): Define.
6278 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6280 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6282 * i386/cygwin.h (INT_ASM_OP): Define.
6284 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6286 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6287 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6289 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6291 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6292 __tmp_reg__ and __zero_reg__ initialization.
6294 2000-04-30 Richard Henderson <rth@cygnus.com>
6296 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6298 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6299 referenced bewteen the condition and the jump. Don't delete
6300 anything but the jump.
6302 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6304 * bb-reorder.c (scope_def): New struct.
6305 (scope_forest_info): New struct.
6306 (struct reorder_block_def): New member "scope".
6307 (REORDER_BLOCK_SCOPE): New macro.
6308 (relate_bbs_with_scopes): New function and prototype.
6309 (make_new_scope): Likewise.
6310 (build_scope_forest): Likewise.
6311 (remove_scope_notes): Likewise.
6312 (insert_intra_1): Likewise.
6313 (insert_intra_bb_scope_notes): Likewise.
6314 (insert_inter_bb_scope_notes): Likewise.
6315 (rebuild_scope_notes): Likewise.
6316 (free_scope_forest_1): Likewise.
6317 (free_scope_forest): Likewise.
6318 (dump_scope_forest): Likewise.
6319 (dump_scope_forest_1): Likewise.
6320 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6321 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6323 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6324 and remove_scope_notes before reordering is done. Added calls to
6325 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6326 after reordering is done.
6328 2000-40-30 Bruce Korb <bkorb@gnu.org>
6330 * fixinc/inclhack.def: Added definitions needed by OSR5,
6331 removed two stale entries (defined away with OLD_CPP).
6332 * fixinc/inclhack.sh: regen
6333 * fixinc/fixincl.x: regen
6335 2000-04-30 Richard Henderson <rth@cygnus.com>
6337 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6338 from the last insn in the sequence.
6340 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6342 * cpplex.c (cpp_idcmp): New function.
6343 * cpplib.h: Prototype it.
6344 * scan_decls.c (scan_decls): Use it to inspect token names.
6345 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6346 the file being run through the preprocessor.
6347 (check_macro_names): Provide length of token to cpp_defined.
6349 * Makefile.in: Remove stale warning message.
6351 * cppfiles.c (redundant_include_p): Provide length of token to
6353 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6354 values are unsigned int.
6355 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6356 (_cpp_lookup_slot): Do not calculate the hash, either.
6357 * cpphash.h: Update prototypes.
6358 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6359 Hashes are unsigned int. Calculate hash here, pass by value
6360 to _cpp_lookup_slot.
6362 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6364 * simplify-rtx.c (check_value_useless): Delete function.
6365 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6367 (cselib_invalidate_regno): Likewise.
6368 (cselib_invalidate_mem_1): Likewise.
6369 (references_value_p): Recognize useless values by the fact that they
6371 (discard_useless_values): Likewise.
6372 (cselib_record_set): This may turn a useless value
6375 2000-04-30 Richard Henderson <rth@cygnus.com>
6377 * config/d30v: New port.
6379 * configure.in (d30v-*): Set fp format.
6380 * configure: Rebuild.
6382 2000-04-30 Richard Henderson <rth@cygnus.com>
6384 * ifcvt.c: New file.
6385 * Makefile.in (OBJS): Add it.
6386 (ifcvt.o): New target.
6387 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6388 and conditional arithmetic.
6389 (find_insert_position): Remove.
6390 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6391 * toplev.c (DFI_ce, DFI_ce2): New.
6392 (dump_file): Add ce and ce2 dumps.
6393 (rest_of_compilation): Run if_convert a couple o times. Set
6394 cse_not_expected after cse2. Don't set no_new_pseudos until
6395 after sched1 or recompute_reg_usage.
6397 2000-04-30 Richard Henderson <rth@cygnus.com>
6399 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6400 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6402 2000-04-30 Richard Henderson <rth@cygnus.com>
6404 * flow.c (struct reg_cond_life_info): New.
6405 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6406 (init_propagate_block_info): Initialize them.
6407 (free_propagate_block_info): Destruct them.
6408 (mark_set_1): Consider conditional life before killing a register.
6409 (mark_regno_cond_dead): New.
6410 (free_reg_cond_life_info): New.
6411 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6412 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6413 (mark_used_reg): Record conditional life.
6415 * haifa-sched.c (schedule_insns): Disable death counting
6416 sanity check for HAVE_conditional_execution.
6418 2000-04-30 Richard Henderson <rth@cygnus.com>
6420 * Makefile.in (TIMEVAR_H): New.
6421 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6422 (timevar.h): Remove rule.
6424 2000-04-29 Richard Henderson <rth@cygnus.com>
6426 * config/alpha/crtend.asm: Use C comments instead of #.
6427 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6429 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6431 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6433 * cpphash.h (enum node_type: Take out T_MCONST.
6434 (union hashval): Move into struct hashnode.
6435 (struct hashnode): Pack tighter. Remove file, line, col
6437 * cpphash.c: Constify most of the macro-definition structures.
6438 (struct definition): Replace by struct object_defn
6439 and struct funct_defn. Put file, line, column information
6440 here. All users updated to match.
6441 (_cpp_create_definition, _cpp_macroexpand): Remove special
6442 case for #define WORD OTHERWORD.
6443 * cpplib.c (do_undef): Remove T_MCONST case.
6445 * cpphash.h: Move struct reflist, struct definition, and the
6446 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6447 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6448 * cpphash.c (_cpp_free_definition): Free data pointed to by
6449 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6450 (_cpp_create_definition, del_HASHNODE): Just call
6451 _cpp_free_definition to clear out a hashnode.
6452 * cpplib.c (do_pragma_poison): Likewise.
6454 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6456 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6457 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6458 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6459 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6460 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6461 REGNO_AM33_P): Redefine in terms of the new macros.
6462 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6463 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6464 STRUCT_VALUE): Likewise.
6465 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6466 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6468 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6470 * regmove.c (struct record_stack_memrefs_data): New.
6471 (record_stack_memrefs): New function.
6472 (combine_stack_adjustments_for_block): Use it.
6474 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6476 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6477 use special_function_p to detect alloca.
6479 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6481 * gcc.texi: Fixes for makeinfo 4.0 --html.
6483 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6485 * pcp.h: Delete file.
6487 2000-04-28 Kazu Hirata <kazu@hxi.com>
6489 * h8300.c (function_epilogue): Clean up flags when the last insn
6490 in a function is a barrier.
6492 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6494 * configure.in (sparc-hal-solaris2*): protect [] glob from
6496 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6497 rather than hard-coded constants in target_cpu_default2.
6498 * configure: Regenerate.
6500 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6502 * tree.c (get_callee_fndecl): Extract the initial value from
6505 2000-04-28 Richard Henderson <rth@cygnus.com>
6507 * varasm.c (record_constant_1): Record the CODE_LABEL when
6508 taking the address of a LABEL_REF.
6510 2000-04-28 Richard Henderson <rth@cygnus.com>
6511 Jan Hubicka <jh@suse.cz>
6513 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6514 adjustment; don't do the stack adjust.
6515 (expand_call): Call compute_argument_block_size right before
6516 allocating the block; update comment; don't do alignment sanity
6517 checking for sibling call; use args_size instead of
6518 unadjusted_args_size before args_size is adjusted. Use
6519 combine_pending_stack_adjustment_and_call to compute stack adjust
6520 for must_preallocate case.
6522 * expr.c (push_block): Remove shadow `temp' in inner scope.
6524 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6526 * toplev.c (rest_of_compilation): Call
6527 note_deferral_of_defined_inline_function even if the function
6530 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6532 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6534 2000-04-28 Richard Henderson <rth@cygnus.com>
6536 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6538 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6540 * timevar.c (init_timevar): DeANSIfy function definition.
6542 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6544 * Makefile.in (timevar.o): Depend on flags.h.
6545 * timevar.c (unused_stack_instances): New variable.
6546 (timevar_push): Take a timevar_stack_def from
6547 unused_stack_instances if available.
6548 (timevar_pop): Push the popped timevar_stack_def onto
6549 unused_stack_instances.
6550 (TIMEVAR_ENABLE): New macro.
6551 (timevar_def): Make standalone a 1-bit field. Add field used.
6552 (get_time): Rename parameter to now. Return after clearing it if
6554 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6555 (timevar_pop): Likewise.
6556 (timevar_stop): Likewise.
6557 (timevar_push): Likewise. Mark the timing variable as used.
6558 (timevar_start): Likewise.
6559 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6560 timevars that were never used.
6562 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6564 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6565 always TREE_READONLY.
6567 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6569 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6570 for call instruction with mode QImode.
6572 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6574 * Makefile.in (OBJS): Add timevar.o.
6575 (toplev.o): Depend on timevar.h.
6576 (ggc-simple.o): Likewise.
6577 (ggc-page.o): Likewise.
6578 (timevar.o): New rule.
6579 (timevar.h): New rule.
6581 * timevar.h: New file.
6582 * timevar.c: Likewise.
6583 * timevar.def: Likewise.
6585 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6586 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6588 (TIMEVAR): Remove macro.
6589 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6590 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6591 flow_time, combine_time, regmove_time, sched_time,
6592 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6593 sched2_time, dbr_sched_time, reorder_blocks_time,
6594 rename_registers_time, shorten_branch_time, stack_reg_time,
6595 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6597 (compile_file): Don't initialize time variables. Call
6598 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6599 of many calls to print_time.
6600 (rest_of_compilation): Add timing for reload_cse_regs.
6601 (get_run_time): Removed to timevar.c.
6602 (print_time): Likewise.
6603 (get_run_time): Implement using TV_TOTAL time variable.
6604 (print_time): Get total run time from get_run_time.
6605 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6606 computing elapsed time explicitly.
6607 * ggc-simple.c (ggc_collect): Likewise.
6608 (gc_time): Remove declaration.
6610 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6612 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6613 (expand_call): Use it.
6615 2000-04-27 Jan Hubicka <jh@suse.cz>
6617 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6620 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6622 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6625 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6627 * function.c (epilogue_done): Pass whole insn to record_insns.
6629 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6631 * cse.c (CSE_ADDRESS_COST): Remove.
6632 (find_best_addr): Add new parameter "MODE", use address_cost instead
6634 (address_cost): New.
6635 (fold_rtx): Update call of find_best_addr.
6636 * rtl.h (address_cost): Declare.
6637 * loop.c (general_induction_var): Add new parameter "MODE", use
6638 address_cost instead of ADDRESS_COST
6639 (init_loop): Use address_cost instead of ADDRESS_COST.
6640 (check_insn_for_givs): Update call of general_induction_var.
6641 (find_mem_givs): Likewise.
6642 (consec_sets_giv): Likewise.
6643 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6644 * i386.c (ix86_address_cost): New.
6645 * i386-protos.h (ix86_address_cost): Declare.
6647 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6649 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6652 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6654 * expr.c (store_expr): Use clear_storage instead of direct memset
6657 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6659 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6660 ASHIFT, AND and LABEL_REF.
6662 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6664 * invoke.texi (-foptimize-sibling-calls): Fix.
6666 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6668 * loop.c (load_mems) Don't use hard registers for the hoisting.
6670 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6671 calculation; rename const_equiv array in the preconditioning code
6672 from loop_unroll to loop_unroll_precondition
6674 2000-04-27 Richard Henderson <rth@cygnus.com>
6676 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6678 (propagate_one_insn): Clear it. Don't update reg_live here.
6679 (init_propagate_block_info): Update for pbi member changes.
6680 (free_propagate_block_info): Likewise.
6681 (mark_set_1): Know that zero_extract, sign_extract, and
6682 strict_low_part don't kill their argument. Alter hard subregs.
6683 Update new_set for non-CLOBBER sets. Update reg_live.
6684 (find_auto_inc): Update reg_live, not new_dead.
6685 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6686 to determine if the reg in question was set this insn. Only update
6687 reg info with PROP_REG_INFO.
6689 2000-04-26 Richard Henderson <rth@cygnus.com>
6691 * flow.c (allocate_reg_life_data): Set max_regno here ...
6692 (life_analysis): ... not here.
6694 * flow.c (calculate_global_regs_live): Force stack pointer
6697 2000-04-26 Richard Henderson <rth@cygnus.com>
6699 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6700 commit change group changes.
6701 (invert_exp_1): Similarly.
6702 (redirect_exp, invert_exp): Use them.
6703 (redirect_jump_1): New.
6704 (invert_jump_1): New.
6705 (jump_optimize_1): Remove code subsumed by condexec.c.
6706 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6708 2000-04-26 Richard Henderson <rth@cygnus.com>
6710 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6712 * genconfig.c (main): Set all HAVE_foo to 1.
6714 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6716 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6718 * invoke.texi: Document -fssa flag.
6720 2000-04-26 Richard Henderson <rth@cygnus.com>
6722 * flow.c (count_reg_sets_1): Remove.
6723 (count_reg_sets, count_reg_references): Remove.
6724 (recompute_reg_usage): Implement with update_life_info.
6725 Reallocate life data.
6727 2000-04-26 Richard Henderson <rth@cygnus.com>
6729 * flow.c (update_life_info): Consider blocks null to mean the
6731 (calculate_global_regs_live): Likewise.
6732 (life_analysis): Do that instead of collecting all_blocks.
6734 2000-04-26 Richard Henderson <rth@cygnus.com>
6736 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6737 a still-valid conditional jump.
6739 2000-04-26 Richard Henderson <rth@cygnus.com>
6741 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6743 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6744 * flow.c (calculate_loop_depth): Remove.
6745 * output.h (calculate_loop_depth): Don't declare.
6746 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6747 inline; run estimate_probability at the same time.
6749 2000-04-26 Neil Booth <NeilB@earthling.net>
6751 * cpplib.h: "~=" is not a single pp-token.
6752 * cpplex.c: Correct commentary.
6754 2000-04-26 Richard Henderson <rth@cygnus.com>
6756 * flow.c (mark_set_1): New arguments code and flags; update all
6757 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6758 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6759 loop_depth when optimizing for size. Do new_dead update after
6760 emitting REG_UNUSED notes. Merge mark_set_reg code.
6761 (mark_set_reg): Remove.
6762 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6763 arrange to not emit REG_UNUSED notes.
6765 2000-04-26 Richard Henderson <rth@cygnus.com>
6767 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6768 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6770 2000-04-26 Richard Henderson <rth@cygnus.com>
6772 * flow.c (propagate_one_insn): Break out from propagate_block.
6773 (init_propagate_block_info): Likewise.
6774 (free_propagate_block_info): Likewise.
6775 (propagate_block): Use them. Export.
6776 * basic-block.h: Declare them all.
6778 2000-04-26 Richard Henderson <rth@cygnus.com>
6780 * basic-block.h (life_analysis): Declare here ...
6781 * output.h: ... not here.
6782 * flow.c (life_analysis): Remove nregs parameter; replace
6783 remove_dead_code with flags. Remove ssa dead code check.
6784 Only init alias analysis if we'll use it.
6785 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6786 * ssa.c (convert_to_ssa): Likewise.
6787 (convert_from_ssa): Likewise.
6788 * toplev.c (rest_of_compilation): Likewise.
6790 2000-04-26 Richard Henderson <rth@cygnus.com>
6792 * flow.c (flow_delete_block): Rename from delete_block. Export.
6793 * basic-block.h (flow_delete_block): Declare.
6795 2000-04-26 David S. Miller <davem@redhat.com>
6797 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6798 taking a PATTERN of it.
6800 2000-04-26 <NeilB@earthling.net>
6802 * cpplex.c (spell_other, spell_char): Remove.
6804 (token_spelling, trigraph_map): Use unsigned chars.
6805 (_cpp_lex_line): Tidy up the switch statement.
6806 * cpplib.h: Implement spell_char with spell_string.
6809 2000-04-26 <RodneyBrown@pmsc.com>
6811 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6812 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6814 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6816 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6817 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6818 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6819 dwarf2out_return_save, dwarf2out_return_reg,
6820 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6821 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6822 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6824 * dwarf2out.h (dwarf2out_init): Likewise.
6826 * dwarfout.c (filename_entry, primary_filename, last_filename,
6827 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6829 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6830 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6831 dwarf2out_return_reg): Likewise.
6833 2000-04-26 Andreas Jaeger <aj@suse.de>
6835 * extend.texi (Function Attributes): Fix description of pure
6838 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6840 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6841 before calling rest_of_compilation.
6843 2000-04-26 Andreas Jaeger <aj@suse.de>
6845 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6848 2000-04-25 Richard Henderson <rth@cygnus.com>
6850 * cse.c (cse_insn): Emit barrier after unconditional jump.
6852 * calls.c (expand_call): Disable tail call generation once
6853 rtx_equal_function_value_matters is false.
6855 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6858 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6860 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6862 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6864 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6865 is the primary DIE for a member function.
6866 (gen_decl_die): Call set_decl_origin_self here.
6867 * dwarfout.c (output_decl): And here.
6868 * integrate.c (output_inline_function): Not here.
6869 Don't clear DECL_INLINE until after calling rest_of_compilation.
6870 (set_decl_origin_self): No longer static.
6871 * tree.h: Add prototype.
6872 * toplev.c (note_deferral_of_defined_inline_function): Only write
6873 out abstract instance for actual inlines.
6875 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6877 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6878 EXTENDED_REGS only if TARGET_AM33.
6879 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6880 SP_REGS to register allocation and reloading unless absolutely
6882 (movsi3): Remove special-case of adding non-constants to SP.
6884 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6886 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6887 INCLUDES to search and does not provide any of its own. Also it
6888 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6889 parameters. Also it does not call AC_DEFINE.
6890 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6891 AC_DEFINE and provides for automatic entries for autoheader.
6892 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6894 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6895 so we can pass -I flags and include gansidecl.h/system.h in this
6898 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6900 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6902 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6903 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6904 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6906 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6907 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6908 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6909 for these macros. Clean up spacing and linewraps.
6911 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6913 * calls.c (expand_call): Use get_callee_fndecl.
6915 * print-tree.c (print_node): Print the chain of an _EXPR.
6917 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6918 Jim Wilson <wilson@cygnus.com>
6919 Andrew Haley <aph@cygnus.com>
6921 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
6922 and gp save/restore problems.
6923 * config/ia64/crtend.asm: Add IA-64 unwind support.
6924 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
6925 in fr_pad_size calculation.
6926 (save_restore_insns): Move PR save area. Correct uses of
6927 RTX_FRAME_RELATED_P.
6928 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
6929 (ia64_expand_epilogue): Add eh_epilogue support.
6930 (ia64_function_prologue): Emit .prologue directive.
6931 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
6932 (ia64_override_options): Set init_machine_status and
6933 mark_machine_status.
6934 (rtx_needs_barrier): Handle bsp reads and writes.
6935 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
6936 New static variables.
6937 (process_set, process_for_unwind_directive): New functions.
6938 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
6939 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
6940 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
6942 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
6943 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
6944 (struct machine_function): Define.
6945 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6947 2000-04-25 Bruce Korb <bkorb@gnu.org>
6949 * fixinc/Makefile.in: make the removal of old programs more
6951 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
6952 install-bin and install-sh
6954 2000-04-25 Nick Clifton <nickc@cygnus.com>
6956 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
6957 defined, define to return zero.
6958 (function_cannot_inline_p): If a function has any target
6959 specific attributes, then use the macro
6960 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
6961 whether it can be inlined. If it cannot, issue a suitable
6964 * tm.texi: Add a new node 'Inlining' to document the new macro
6965 FUNCTION_ATTRIBUTE_INLINABLE_P.
6967 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
6969 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6972 2000-04-25 Neil Booth <NeilB@earthling.net>
6974 Restore previous patch, plus the following fixes:
6976 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
6977 flags, not CPP_OPEN_PAREN.
6978 * cpplex.c (expand_token_space, init_token_list,
6979 cpp_free_token_list): Put the dummy token at list->tokens[-1].
6980 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
6982 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6984 * config/i386/freebsd.h (INT_ASM_OP): Define.
6986 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
6988 * loop.c (strength_reduce): Fix typo in the last checkin.
6990 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6992 * stor-layout.c (finalize_record_size): Simplify to use existing
6994 (compute_record_mode): No longer static.
6995 * tree.h (compute_record_mode): New declaration.
6997 2000-04-25 Neil Booth <NeilB@earthling.net>
6999 * Revert my patch below until cause of build failures
7002 2000-04-25 Richard Henderson <rth@cygnus.com>
7004 * combine.c (combine_instructions): Add missing argument
7007 * toplev.c (rest_of_compilation): Delay sibcall optimization
7008 until after emit_eh_context.
7010 2000-04-24 Nick Clifton <nickc@redhat.com>
7012 * combine.c (combine_instructions): Do not try to combine a
7013 sequence of insns when the second insn has been replaced by a
7016 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7018 * gcc.c (load_specs): New static function.
7019 (read_specs): Use it.
7021 * gcc.c (lookup_compiler): Make multiple passes for case
7022 insensitive filesystems.
7024 2000-04-24 Neil Booth <NeilB@earthling.net>
7026 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7027 * cpphash.h (_cpp_check_directive): new.
7028 * cpplex.c (handle_newline, cpp_free_token_list,
7029 init_trigraph_map, trigraph_ok, trigraph_replace,
7030 backslash_start, skip_block_comment, skip_line_comment,
7031 skip_whitespace, parse_name, parse_number, parse_string,
7032 copy_comment, _cpp_lex_line, spell_char, spell_string,
7033 spell_comment, spell_name, spell_other, _cpp_lex_file,
7034 _cpp_output_list): new.
7035 (expand_name_space): take length argument.
7036 (init_token_list): add comment list initialisation.
7037 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7038 instead of HSPACE_BEFORE.
7040 * cpplib.c (_cpp_check_directive): new
7041 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7042 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7043 (HSPACE_BEFORE): delete.
7044 (TTYPE_TABLE): rearrange.
7045 (struct cpp_toklist): update.
7047 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7049 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7050 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7051 argument form of AC_DEFINE.
7053 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7054 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7055 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7056 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7057 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7059 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7061 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7063 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7064 deduced.h): Use -isystem, not -I, for including system headers.
7066 2000-04-24 Nick Clifton <nickc@cygnus.com>
7068 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7069 the source register is the frame pointer or arg pointer.
7070 (addsi3_small_int): Disallow if source register is the frame
7071 pointer or arg pointer.
7073 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7075 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7076 call to AC_MSG_RESULT.
7078 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7080 * invoke.texi: Correct grammatical errors, document
7081 -fno-gnu-keywords as identical to -fno-asm for C++.
7083 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7085 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7086 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7087 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7088 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7089 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7091 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7092 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7093 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7094 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7097 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7099 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7100 (pop_alignment): Likewise.
7101 (handle_pragma_token): Likewise.
7103 2000-04-24 Robert Lipe <robertlipe@usa.net>
7105 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7107 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7109 * combine.c (try_combine): Update reg_nonzero_bits of
7110 newi2pat before newpat.
7112 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7114 * loop.c (strength_reduce): Simplify test to INSN_P.
7115 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7116 expressions instead of CONST_INT.
7117 (express_from_1): Likewise.
7119 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7121 * regs.h (reg_n_max): Don't declare.
7122 * flow.c (reg_n_max): Don't define.
7123 * regclass.c (renumber): Don't initialize to zero.
7124 (regno_allocated): Likewise.
7125 (reg_n_max): Define.
7126 (allocate_reg_info): Don't initialize unnecessarily.
7128 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7130 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7131 and blockage_p in the newly allocated attribute.
7133 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7135 * config/mn10300/mn10300.md (addsi): `inc4' on address
7136 registers does not modify cc, but `inc' on an extended
7139 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7141 * reload.c (find_equiv_reg): Checks all valueno regs
7142 as a reload_reg_p regs.
7144 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7146 * cpphash.c (collect_objlike_expansion): Add sanity check.
7147 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7148 the buffer is the empty string, return. Mark __DATE__ and
7149 __TIME__ as XCONST nodes, not MCONST.
7150 (_cpp_macroexpand): Avoid pushing an empty buffer.
7151 (funlike_macroexpand): Don't pop token_buffer here.
7153 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7155 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7156 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7157 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7158 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7159 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7160 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7161 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7163 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7165 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7168 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7170 * cpphash.h (struct definition): Move file, line, col members...
7171 (struct hashnode): ... here. Also add 'disabled' flag.
7172 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7173 T_IDENTITY. Remove T_DISABLED.
7176 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7177 (collect_expansion): Split into collect_objlike_expansion and
7178 collect_funlike_expansion.
7179 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7180 funlike_macroexpand.
7181 (_cpp_compare_defs): Rename compare_defs, make static.
7182 (_cpp_make_hashnode): Initialize hp->disabled.
7183 (macro_cleanup): Adjust for new token types. Clear
7185 (_cpp_create_definition): Move code here to determine what
7186 sort of macro it is, and code to check for redefinitions, from
7187 do_define. Implement a few simple cases without creating a
7189 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7190 Handle the simple cases.
7191 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7194 * cppinit.c (builtin_array): Change MCONST to XCONST
7196 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7197 fix check for disabled and function-like macros.
7198 * cpplib.c (do_define): Move most logic to
7199 _cpp_create_definition.
7200 (do_undef): Handle new special token types.
7202 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7204 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7205 of CONSTANT_P for mult_val; always use validate_change to update insn.
7207 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7209 * cpphash.c (trad_stringify, add_pat): New functions.
7210 (collect_expansion): Restore support for -traditional syntax.
7211 Use trad_stringify and add_pat.
7212 (_cpp_macroexpand): Restore support for -traditional semantics.
7213 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7214 get a COMMENT token.
7215 (_cpp_lex_token): Provide COMMENT tokens to caller if
7216 traditional and parsing_define_directive.
7217 (skip_comment): Warn about // comments if -Wtraditional.
7218 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7220 (do_undef): Don't warn about undefining EMPTY nodes.
7222 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7224 * loop.c (strength_reduce): Fix biv removal code.
7226 2000-04-22 Richard Henderson <rth@cygnus.com>
7228 * predict.c (estimate_probability): Examine both sides of
7229 a branch for no exits. Use 90% not 50% for predict taken.
7230 Reorg for one copy of note generation code.
7232 2000-04-22 Richard Henderson <rth@cygnus.com>
7234 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7236 2000-04-22 Richard Henderson <rth@cygnus.com>
7238 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7239 (output_clear): Likewise.
7240 (output_printf): Use va_copy.
7241 (vline_wrapper_message_with_location): Likewise.
7242 (v_message_with_decl): Likewise.
7243 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7244 * system.h (va_copy): Provide default implementation.
7246 2000-04-22 Richard Henderson <rth@cygnus.com>
7248 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7249 the collected condition is not a constant.
7251 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7253 * diagnostic.h: New file.
7255 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7257 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7258 various function prototypes.
7259 (diagnostic.h): #include.
7260 (struct output_buffer): Move into diagnostic.h.
7261 (get_output_prefix): Rename to output_get_prefix. Export.
7262 (init_output_buffer): Export. Break out. Ajust intialization.
7263 (output_space_left, output_append): Export.
7264 (output_newline): Rename to output_add_newline. Export.
7265 (output_clear): Nullify additional output_buffer fields.
7266 (output_puts): Rename to output_add_string. Export.
7267 (dump_output): Rename to output_flush_on. Export.
7268 (build_location_prefix): Constify return-type.
7269 (emit_output_prefix): Rename to output_emit_prefix. Export.
7270 (set_real_maximum_length): New function.
7271 (output_set_maximum_length): Ditto
7272 (output_clear): Ditto.
7273 (output_add_character): Ditto.
7274 (output_add_integer): Ditto.
7275 (output_add_space): Ditto.
7276 (output_format): Ditto.
7277 (output_printf): Adjust buffer initialization.
7278 (vline_wrapper_message_with_location): Ditto.
7279 (v_message_with_decl): Ditto. Adjust call to output_puts
7280 and get_output_prefix.
7281 (default_print_error_function): Adjust buffer intialization.
7283 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7285 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7288 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7290 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7293 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7295 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7296 accurate data about SP moves.
7298 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7300 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7301 aliases to AM33 registers.
7303 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7305 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7306 to all EXTENDED bitmaps.
7308 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7310 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7311 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7312 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7314 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7316 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7317 the operand is not constant.
7319 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7321 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7322 as a call-clobbered regs.
7324 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7326 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7328 * rtl.def: Update comment.
7329 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7330 * integrate.c (expand_inline_function): Likewise.
7331 * profile.c (branch_prob): Likewise.
7332 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7333 * print-rtl.c (print_rtx): Likewise.
7334 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7335 (reemit_notes): Likewise; also use enum insn_note.
7337 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7338 (place_field): Properly compute know and actual alignment.
7340 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7343 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7346 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7348 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7349 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7350 (collect_expansion): Rewrite to scan over a token list.
7351 Remove -traditional support.
7352 (collect_formal_parameters): Rename to collect_params; rewrite
7353 to scan over a token list.
7354 (_cpp_create_definition): Adjust to scan a token list.
7355 (_cpp_macroexpand): Remove -traditional support.
7356 (_cpp_compare_defs): Whitespace is now canonicalized.
7357 (comp_def_part): Delete function.
7359 * cpphash.h: Update prototypes.
7360 * cpplex.c (init_token_list): Don't set lineno if there is no
7362 (pedantic_whitespace): New function.
7363 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7364 consume a newline. Use pedantic_whitespace.
7365 (_cpp_lex_token): Remove support for -traditional macros.
7366 (_cpp_get_define_token): Delete.
7367 (_cpp_get_directive_token): Do the real work here. Use
7368 pedantic_whitespace.
7369 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7371 * cpplib.c (get_macro_name): Delete.
7372 (do_define): Read the entire line into pfile->directbuf, then
7373 feed the token list to _cpp_create_definition.
7374 * cpplib.h (HSPACE_BEFORE): new define.
7375 (struct cpp_reader): Add a toklist member, "directbuf".
7377 * predict.c (estimate_probability): New heuristic: if a jump
7378 branches around a block with no successors, predict it taken.
7379 Disentangle control flow.
7381 2000-04-20 Richard Henderson <rth@cygnus.com>
7383 * loop.c (emit_iv_add_mult): Revert last change.
7385 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7387 * cpplib.h (enum cpp_ttype): Add token types for all
7388 punctuators. Distinguish pp-numbers from valid C numbers.
7389 Give some tokens better names. Initialize from macro.
7390 (struct cpp_name, cpp_token, cpp_toklist): New data
7393 * cpplex.c (bump_column, expand_name_space,
7394 expand_token_space, init_token_list, cpp_output_list,
7395 _cpp_scan_line): New functions.
7396 (output_line_command): Add third argument, new line number.
7397 * cpphash.h: Update prototypes.
7398 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7401 2000-04-20 Richard Henderson <rth@cygnus.com>
7403 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7405 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7407 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7410 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7412 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7413 REG_EQUAL note explaining the calculated value.
7415 * calls.c (expand_call): Avoid unnecesary precalculation
7416 and outgoing parameters space guarding for sibling calls.
7417 (store_one_arg): Likewise.
7419 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7421 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7422 (rest_of_compilation): Write sibling dump file and account
7423 for time as jump time.
7424 * invoke.texi: Update documentation on dump flags.
7426 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7428 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7430 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7432 * cpphash.c (special_symbol): Represent an empty macro with
7433 "\r \r " not just "\r ".
7434 (_cpp_macroexpand): Correct condition for the foo ( ) special
7436 (unsafe_chars): Handle EOF as second argument.
7437 (push_macro_expansion): Simplify test for removing escape at
7438 end. Do not trim both escapes if there is no text in between.
7440 2000-04-19 Jim Blandy <jimb@redhat.com>
7442 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7443 of PTR_SIZE, when appropriate.
7445 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7447 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7448 (USE_ENUM_BITFIELDS): Fix typo.
7450 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7452 * stor-layout.c (place_field): Set rli->offset_align properly.
7454 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7456 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7457 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7458 PARM_BOUNDARY): Remove unnecessary casts.
7460 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7462 * calls.c (precompute_arguments): Remove must_preallocate and
7464 (expand_call): Update call of precompute_arguments.
7466 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7467 check_insn_for_givs): Break out from ...
7468 (strength_reduce) ... here; use for_every_insn_in_loop to call
7469 check_insn_for_givs.
7470 * loop.h (for_every_insn_in_loop): Declare.
7471 (loop_insn_callback): New type.
7473 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7475 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7478 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7480 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7483 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7485 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7487 * configure.in: Delete --disable-cpplib option and all
7488 references to cpp_main.
7489 * configure: Regenerate.
7490 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7491 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7492 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7493 cpp$(exeext). Add --no-headers to makeinfo command line when
7494 generating INSTALL. Install and uninstall cpp.1 manpage, not
7496 * install.texi: Delete all references to cexp.y/cexp.c.
7497 Delete ancient instructions for compiling GCC on 3b1.
7498 * INSTALL: Regenerate.
7500 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7501 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7502 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7504 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7505 which is no longer tested anywhere.
7507 * cppinit.c (handle_option): Don't run error message through
7510 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7512 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7513 * cpperror.c (hashtab.h): Now include.
7514 * cppexp.c (hashtab.h): Likewise.
7515 * cpplex.c (hashtab.h): Likewise.
7516 * cppfiles.c (hashtab.h): Likewise.
7517 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7518 to htab_find_slot_with_hash.
7519 * cpphash.c (hashtab.h): Now include.
7520 (_cpp_lookup_slot): INSERT is now enum insert_option.
7521 * cpphash.h (_cpp_lookup_slot): Likewise.
7522 * cppinit.c (hashtab.h): Include earlier.
7523 (initialize_builtins): Pass enum to htab_find_slot.
7524 * cpplib.c (hashtab.h): Now include.
7525 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7526 (do_pragma_poison, do_assert): Likewise.
7527 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7528 htab_find_slot_with_hash.
7529 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7530 * tree.c (type_hash_add): Likewise.
7531 (build1): Minor cleanup.
7533 * ggc-common.c: Add missing blanks.
7534 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7535 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7537 * stmt.c (mark_case_node): New function.
7538 (mark_case_nesting): Call it.
7540 * expmed.c (emit_store_flag): If comparing two-word integer
7541 with zero, can optimize NE, EQ, GE, and LT.
7543 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7544 * conflict.c: Minor cleanups.
7545 * optabs.c: Add blank line
7546 * simplify-rtx.c: Minor cleanups.
7548 2000-04-18 Stan Cox <scox@cygnus.com>
7550 * gengenrtl.c (genlegend): Fix misspelling.
7552 2000-04-18 Robert Lipe <robertlipe@usa.net>
7554 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7555 bitfields of the host compiler are not signed quantities.
7556 * config.in: Regenerate.
7557 * configure: Regenerate.
7558 * system.h (USE_ENUM_BITFIELDS): Added.
7559 (ENUM_BITFIELDS): Added.
7560 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7561 (SHORT_ENUM_BUG): Deleted.
7562 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7564 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7565 (CODE_FIELD_BUG): Likewise.
7566 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7568 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7570 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7572 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7575 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7577 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7578 * cpplib.c (do_include, do_import, do_include_next,
7579 read_line_number, detect_if_not_defined): Likewise.
7580 * cpphash.c (collect_expansion): Likewise.
7581 (special_symbol, _cpp_macroexpand): Check return from
7583 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7584 macros. Delete all uses.
7586 * gcc.dg/cpp-mi.c: Add two more test cases.
7587 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7589 2000-04-17 Richard Henderson <rth@cygnus.com>
7591 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7592 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7594 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7596 * function.c (expand_function_start): Use hard_function_value to
7597 compute the RTL to use for DECL_RESULT.
7599 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7601 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7602 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7603 x86_memory_mismatch_stall): New global variables.
7604 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7605 alloved; fix load penalties for Athlon.
7606 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7607 x86_memory_mismatch_stall): Declare.
7608 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7609 TARGET_MEMORY_MISMATCH_STALL): New.
7610 * i386.md (athlon scheduling parameters): Fix latencies according to
7611 Athlon Optimization Manual.
7612 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7614 (fsqrt instruction patterns): Set athlon_decode to direct.
7615 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7616 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7617 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7618 and TARGET_PARTIAL_REGISTER_STALL machines.
7619 (pushdf_nointeger): New pattern.
7620 (pushdf_integer): Rename from pushdf.
7621 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7622 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7624 2000-04-17 Richard Henderson <rth@cygnus.com>
7626 * loop.c (canonicalize_condition): Add WANT_REG argument.
7627 Stop the search if we match it.
7628 * expr.h (canonicalize_condition): Update decl.
7629 * predict.c (expected_value_to_br_prob): Use it. Track last
7630 expected value note.
7631 (find_expected_value): Remove.
7633 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7635 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7637 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7638 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7640 * configure.in: Call AC_FUNC_MMAP_FILE.
7641 * configure: Regenerate.
7642 * config.in: Regenerate.
7644 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7645 * fixinc/fixincl.c: Likewise.
7647 2000-04-17 Richard Henderson <rth@cygnus.com>
7649 * builtins.c (expand_builtin_expect): New.
7650 (expand_builtin): Call it.
7651 * builtins.def (BUILT_IN_EXPECT): New.
7652 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7653 * extend.texi: Document it.
7655 * predict.c (expected_value_to_br_prob): New.
7656 (find_expected_value): New.
7657 * basic-block.h (expected_value_to_br_prob): Declare.
7658 * toplev.c (rest_of_compilation): Invoke it.
7660 * rtl.h (NOTE_EXPECTED_VALUE): New.
7661 (NOTE_INSN_EXPECTED_VALUE): New.
7662 * rtl.c (note_insn_name): Update.
7663 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7664 cases; handle NOTE_INSN_EXPECTED_VALUE.
7666 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7668 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7669 leaf sibcall delay slot if flag_pic.
7670 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7672 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7674 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7676 * fixproto: If fix-header fails, exit with an error.
7678 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7680 * cse.c (struct check_depdendence_data): New.
7681 (check_dependence): New function.
7682 (invalidate): Use check_depdenence.
7684 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7686 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7687 UNITS_PER_WORD is unsigned.
7689 * tree.h (struct tree_common): Remove misleading comment.
7691 2000-04-16 Dave Pitts <dpitts@cozx.com>
7693 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7694 message in quotes. Otherwise, IBM's make program treats the '#' as the
7695 start of a comment and ignores the remainder of the line.
7697 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7699 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7700 * cexp.y (initialize_random_junk): Likewise.
7701 * cppfiles.c (find_include_file): Cast alloca return value.
7702 * cppinit.c (initialize_standard_includes): Likewise.
7703 * cpplib.c (cpp_define, cpp_undef): Likewise.
7704 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7705 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7706 * fold-const.c (CHARMASK): New.
7707 (real_hex_to_f): Use it.
7708 * real.c (CHARMASK): New.
7709 (etoasc, asctoeg): Use it.
7710 (asctoeg): EBCDIC lower case characters preceed upper case.
7712 * i370.c (mvs_add_label): Change spacing for coding conventions.
7713 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7714 outputing case vectors.
7715 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7716 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7717 since vector in in the data CSECT.
7718 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7719 * i370.md (Many patterns): Put the length in the XL directives.
7720 (movdi): Put back STM and MVC in definition.
7721 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7722 pattern using the TCA.
7723 * oe.h (CPP_SPEC): Added to allow trigraphs.
7724 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7725 not support the "long long" type.
7727 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7729 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7731 (mips_reg_mode_ok_for_base_p): Likewise.
7732 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7733 (REG_OK_FOR_INDEX_P): Define unconditionally.
7734 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7735 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7736 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7737 that GET_MODE_SIZE is unsigned.
7738 (mips_reg_mode_ok_for_base_p): Define.
7739 (mips_legitimate_address_p): Likewise. Adjust now
7740 that GET_MODE_SIZE is unsigned.
7741 (block_move_loop): Make the number of bytes unsigned.
7742 (expand_block_move): Likewise.
7743 (function_arg): Make the loop counter unsigned to match the
7746 2000-04-16 Richard Henderson <rth@cygnus.com>
7748 * rtl.h (enum insn_note): New enumeration. Subsume
7749 NOTE_INSN_DELETED and friends.
7750 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7751 * rtl.c (note_insn_name): Tweak string order.
7753 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7755 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7758 * cpplex.c (output_line_command): Remove debugging prints.
7759 (cpp_output_tokens): Don't write out a zero-length buffer or
7760 try to see if it has a newline in it.
7761 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7762 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7763 the end of the loop. Use memmove. Don't read past the end of
7764 the buffer. Remove trailing newlines from error messages.
7766 2004-04-16 Neil Booth <NeilB@earthling.net>
7768 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7769 * cpplib.c: Add new syntax flags to directive table, and
7772 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7774 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7777 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7779 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7780 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7782 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7784 * Makefile.in (ggc-page.o): Now includes toplev.h.
7785 * ggc-page.c (toplev.h): Now included.
7786 (gc_time): Remove declaration.
7787 (ggc_collect): TIME now long.
7788 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7790 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7792 * toplev.c: Make *_time variable long to reduce chance of overflow.
7793 (TIMEVAR): Likewise for `otime'.
7794 (print_time): Arg is now long; compute percentage in FP and round.
7795 * toplev.h (print_time): Arg is long.
7797 * tree.c: Minor whitespace changes.
7799 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7800 * configure: Rebuilt.
7801 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7802 (__fixunsxfDI): Renamed from __fixunsxfdi.
7803 (__fixunsdfDI): Renamed from __fixunsdfdi.
7804 (__fixunssfDI): Renamed from __fixunssfdi.
7805 (__floatdisf): Use proper type in REP_BIT macro.
7806 (__fixunsxfSI): Renamed from __fixunsxfsi.
7807 (__fixunsdfSI): Renamed from __fixunsdfsi.
7808 (__fixunssfSI): Renamed from __fixunssfsi.
7809 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7810 Change location of macros and upper-case some names as above.
7811 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7812 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7814 * varasm.c (assemble_variable): Add cast to remove warning.
7815 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7817 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7818 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7819 region number to -1.
7821 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7823 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7824 call unshare_all_rtl.
7826 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7828 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7830 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7831 Use .s1 not .s0 for all FP instructions.
7833 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7835 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7837 (safe_fwrite, output_line_command): New static functions.
7838 (cpp_expand_to_buffer): Now private to cpplib.
7839 (cpp_scan_buffer): Take a printer.
7841 * cpphash.h: Update prototypes.
7842 * cpplib.h: Update prototypes.
7844 (cpp_buffer): Remove last_nominal_fname.
7845 (cpp_reader): Remove lineno.
7847 * cppmain.c: Use a cpp_printer.
7848 * fix-header.c: No need to inhibit line commands. Call
7849 cpp_start_read with no printer.
7851 * cpperror.c (cpp_notice_from_errno): Provide default name.
7852 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7853 (find_include_file, cpp_read_file): Use make_IHASH.
7854 (file_cleanup): Set control_macro and clear
7855 input_stack_listing_current here.
7856 (_cpp_execute_include): Don't output entering-file marker.
7857 * cpphash.c (special_symbol): Look for the line number in the
7858 buffer, not the reader.
7859 (_cpp_macroexpand): No need to disable line commands.
7860 (_cpp_dump_definition): No need to generate line commands.
7861 (dump_hash_helper): Remove excess newline from output.
7862 * cppinit.c (dump_special_to_buffer): No need to generate line
7864 (cpp_printer_init): New.
7865 (cpp_start_read): Take a printer, and start it up if it's not
7866 NULL. No need to generate line commands.
7867 (cpp_finish): Expect no buffers stacked at all. Take a
7868 printer argument, and flush the output buffer if it's not
7870 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7871 Don't put two hashes at the beginning of an assertion.
7872 (cpp_get_token): Don't increment pfile->lineno or emit line
7873 commands here. Return EOF if there's no buffer when we get
7875 * cpplib.c (do_define, skip_if_group):
7876 No need to disable line commands.
7877 (_cpp_output_line_command): Delete function.
7878 (do_line): Don't emit line commands here, but set things up so
7879 they will be emitted if necessary. Use _cpp_fake_ihash to
7880 make unique nominal_fnames if necessary.
7881 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7882 with 0 for column, not -1.
7883 (_cpp_handle_eof): Don't set the control macro here. Don't
7884 clear input_stack_listing_current here. Don't emit line
7887 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7889 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7890 always, use the default SVR4 start address.
7892 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7893 (LINK_SHLIB_SPEC): Define.
7894 (LINK_START_DEFAULT_SPEC): Define.
7895 (LINK_OS_DEFAULT_SPEC): Define.
7897 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7899 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7900 __do_global_ctors to handle constructors.
7901 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7902 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7903 (STARTFILE_MVME_SPEC): Likewise.
7904 (STARTFILE_SIM_SPEC): Likewise.
7905 (ENDFILE_ADS_SPEC): Use crtend.
7906 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7907 (ENDFILE_MVME_SPEC): Likewise.
7908 (ENDFILE_SIM_SPEC): Likewise.
7909 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7910 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7911 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7912 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7913 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7914 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7915 (CRTSTUFF_T_CFLAGS_S): Define.
7916 * config/rs6000/eabi-ctors.c: Delete.
7918 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7921 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
7925 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
7927 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
7928 plus mask size is smaller or equal to the mode size.
7930 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7932 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
7935 * expr.c (reload.h): Now included.
7936 (emit_block_move): Set volatile_ok when checking for movstr.
7937 (emit_move_1): Check for replacements in addresses in multi-word case.
7938 * Makefile.in (expr.o): Now includes reload.h.
7940 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
7941 Never have a LIBCALL end a basic block.
7942 (find_basic_blocks_1): Likewise.
7943 Reorganize CALL_INSN cases.
7945 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
7947 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7949 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
7950 completers from mov.ret instruction.
7952 2000-04-14 Richard Henderson <rth@cygnus.com>
7954 * fold-const.c (extract_muldiv): Don't distribute and widen
7955 multiply across plus for non-sizetype unsigned types.
7957 2000-04-14 Richard Henderson <rth@cygnus.com>
7959 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
7960 If the original source is dead in the incr insn, it's dead now.
7962 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7964 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
7965 see if DECL_BIT_FIELD needs to still be set.
7967 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
7969 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
7970 print_int_cst_octal with something that's not an INTEGER_CST.
7972 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
7973 and not a SUBREG to a FLOAT rtl.
7975 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
7977 * emit-rtl.c (try_split): Avoid infinite loop if the split
7978 results in a sequence that contains the original insn.
7980 2000-04-13 Andreas Jaeger <aj@suse.de>
7982 * config/mips/mips.c (expand_block_move): Pass alignment
7983 argument to move_by_pieces in bits, not bytes.
7985 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
7986 __pic__ for little endian.
7988 2000-04-13 Andreas Jaeger <aj@suse.de>
7990 * config/i386/i386-protos.h: Add prototype for
7991 uno_comparison_operator.
7993 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7995 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
7996 * calls.c (ECF_PURE): New flag.
7997 (emit_call_1): Handle ECF_PURE calls.
7998 (initialize_argument_information): Unset ECF_PURE flag too.
7999 (precompute_arguments): Precompute for ECF_PURE too.
8000 (expand_call): Handle ECF_PURE calls too.
8001 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8002 accept value of 2 as pure function.
8003 (emit_library_call_value, emit_library_call): Rename no_queue argument
8005 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8007 * tree.h (DECL_IS_PURE): New macro.
8008 (struct tree_decl): Add pure_flag.
8009 * c-common.c (enum attrs): Add attribute "pure".
8010 (init_attributes): Initialize attribute "pure"
8011 (decl_attributes): Handle attribute "pure".
8012 * extend.texi (Attribute "pure"): Document.
8013 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8015 (flags_from_decl_or_type): Support attribute "pure".
8017 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8019 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8020 the token except for numbers and identifiers.
8022 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8024 * i386.c (ix86_expand_binary_operator,
8025 ix86_expand_unary_operator): Check no_new_pseudos
8026 instead of reload_in_progress and reload_completed.
8027 (ix86_split_ashldi, ix86_split_ashrdi,
8028 ix86_split_lshrdi): Check no_new_pseudos instead
8029 of reload_completed.
8031 2000-04-12 Jeffrey A Law (law@cygnus.com)
8033 * function.c (purge_addressof): Unshare any shared rtl created by
8034 purge_addressof and its children.
8036 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8038 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8041 2000-04-05 Andreas Jaeger <aj@suse.de>
8043 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8044 not compiling PIC code, add flags for mabi=64.
8045 (SUBTARGET_CPP_SIZE_SPEC): New.
8046 (SUBTARGET_CPP_SPEC): New.
8047 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8048 for MIPS/Linux and lots of code needs these defines.
8050 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8052 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8053 trying the "opposite arithmetic" approach.
8055 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8057 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8058 (struct sh_args): Add new field force_mem.
8059 (INIT_CUMULATIVE_ARGS): Initialize it.
8060 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8062 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8064 * calls.c (expand_call): Do not reverse args in "equal from" field.
8065 (emit_library_call_value_1): Emit_libcall_block for const and pure
8068 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8070 * reload1.c (reload_combine): Don't enable optimization for fixed
8071 registers when encountering a BARRIER.
8073 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8075 * builtins.c (expand_builtin_memcmp): Do expansion even with
8076 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8078 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8079 stack is propertly aligned; add sanity checking for aligned
8081 (expand_library_call_value_1): Add sanity checking for aligned
8084 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8086 * calls.c (emit_library_call_value_1): Change 3rd arg to
8087 locate_and_pad_parm to disregard the setting of partial.
8089 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8091 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8093 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8094 CALL_INSN from the normal case.
8096 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8098 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8099 New global variables.
8100 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8102 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8104 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8105 TARGET_ADD_ESP_8): New macros.
8106 * i386.md: Add peep2s to convert esp adjustments to push and pop
8108 (pushsi_prologue, popsi_epilogue): New patterns.
8110 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8112 * real.c (toe64): Remove stale #endif from the last change.
8114 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8116 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8117 * real.c (toe64): Revert previous change.
8119 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8121 * objc/objc-act.c: Include ggc.h.
8122 (objc_tree_index, objc_global_trees): Convert most of the
8123 static tree variables into a static array with previous names
8125 (objc_ellipsis_node): New variable.
8126 (lang_init): Call objc_act_parse_init and c_parse_init.
8127 Create objc_ellipsis_node.
8128 (build_selector_translation_table): Use objc_ellipsis_node instead
8130 (hack_method_prototype): Likewise.
8131 (get_arg_type_list): Likewise.
8132 (start_method_def): Likewise.
8133 (continue_method_def): Likewise.
8134 (gen_method_decl): Likewise.
8135 (ggc_mark_imp_list): New function.
8136 (ggc_mark_hash_table): New function.
8137 (objc_act_parse_init): New function.
8138 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8139 * c-parse.in (c_parse_init): For objc add roots of objc specific
8140 local tree variables.
8141 * objc/objc-parse.y: Rebuilt.
8142 * objc/objc-parse.c: Rebuilt.
8143 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8145 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8147 * cse.c (delete_trivially_dead_insns): Also delete insns
8148 that copy a register to itself where the destination is
8151 2000-04-11 Richard Henderson <rth@cygnus.com>
8153 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8154 (propagate_block): Initialize them. Use them in parallel instead
8155 of one tmp variable, ie revert much of the 0408 and 0407 functional
8156 changes, but keep the structural changes.
8157 (mark_set_regs): Take new_dead from propagate_block_info instead.
8158 (mark_set_1, mark_set_reg): Likewise.
8159 (mark_used_regs): Likewise with new_live.
8160 (mark_used_reg): Likewise. Revert 0408 change.
8162 2000-04-11 Nick Clifton <nickc@cygnus.com>
8164 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8166 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8168 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8170 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8171 const section to output a CONSTRUCTOR based on the same conditions
8174 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8176 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8177 * pa/pa-protos.h (output_call): Add additional argument indicating
8178 if the call is a sibling/tail call.
8179 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8180 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8181 (function_arg, function_arg_partial_nregs): Likewise
8182 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8183 (emit_move_sequence): Zero extend certain constants as needed
8185 (compute_zdepdi_operands, output_64bit_and): New functions.
8186 (output_64bit_ior, function_arg): Likewise.
8187 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8188 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8189 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8190 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8191 (output_bvb): Likewise.
8192 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8193 (output_call): New argument 'sibcall'. Generate sibcall sequences
8195 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8196 (ouput_arg_descriptor): Do not emit argument descriptors for
8198 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8200 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8201 (FUNCTION_OK_FOR_SIBALL): Define.
8202 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8203 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8204 (CPP_SPEC): Use new spec infrastructure.
8205 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8206 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8207 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8208 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8209 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8210 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8211 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8212 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8213 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8214 (FUNCTION_ARG); Call out to C code.
8215 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8216 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8217 (MIN_UNITS_PER_WORD): Likewise.
8218 * pa/pa.md (cmpdi): New expander.
8219 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8220 (64bit conditional arithmetic): New patterns.
8221 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8222 (movsicc): Not available if modes on all the operands to not match.
8223 (movdicc): New expander and associated patterns.
8224 (64bit branches): New patterns.
8225 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8226 (pre_ldd, post_std): New patterns.
8227 (64bit addil, load low part): New patterns.
8228 (special movsf constant): Not available for TARGET_64BIT.
8229 (movsf, movdf expanders): Force constants into memory.
8230 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8231 (64bit movdf/movdi patterns): New patterns.
8232 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8234 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8235 (adddi3 expander): Allow "arith_operand" for second input.
8236 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8237 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8238 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8239 (muldi3): New expander for TARGET_64BIT.
8240 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8242 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8243 patterns for TARGET_64BIT.
8244 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8245 patterns for TARGET_64BIT.
8246 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8247 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8248 (sibcall_epilogue): New expander.
8249 (casesi): Tweak for TARGET_64BIT.
8250 (call expanders): Set & use the outgoing argument pointer. Use the
8251 64bit call patterns as needed. Add additional arg to output_call.
8252 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8253 (sibcall, sibcall_internal_symref): New expanders.
8254 (sibcall_value, sibcall_value_internal_symref
8255 (interspace_jump): Turn into an expander + matching patterns.
8256 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8257 * pa/pa64-regs.h: Eliminate trigraph sequences.
8258 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8260 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8262 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8263 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8264 cpp_token with cpp_ttype everywhere.
8265 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8266 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8267 CPP_BUF_COL. Line and column numbers are unsigned int, not
8269 * cpplex.c (cpp_buf_line_and_col): Delete.
8270 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8271 'long lineno' to 'unsigned int lineno'.
8272 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8274 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8276 * extend.texi: ISO C99 is not a draft anymore.
8277 * invoke.texi: ISO C++ is not a draft anymore.
8278 * cpp.texi: __cplusplus is required by the ISO standard.
8280 * extend.texi (-fthis-is-variable): Undocument.
8281 * flags.h (warn_template_debugging): Remove declaration.
8282 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8283 -Wenum-clash, -Wtemplate-debugging): Undocument.
8285 2000-04-10 Nick Clifton <nickc@cygnus.com>
8287 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8289 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8291 (ARM_SIGN_EXTEND): Use HOST_UINT.
8292 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8293 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8294 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8295 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8297 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8298 (arm_gen_constant): Use HOST_UINT.
8299 (arm_canonicalize_constant): Use HOST_UINT.
8300 (arm_reload_in_hi): Use HOST_UINT.
8301 (arm_reload_out_hi): Use HOST_UINT.
8302 (output_multi_immediate): Use HOST_UINT.
8303 (int_log2): Use HOST_UINT.
8304 (arm_poke_function_name): Use HOST_UINT.
8305 (arm_output_epilogue): Use arm_volatile_func().
8306 (output_thumb_prologue): Use arm_strip_name_encoding().
8308 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8310 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8311 of sequence point problems.
8313 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8315 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8317 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8319 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8321 * sbitmap.h: Whitespace changes and use upper-case macro args.
8322 (struct simple_bitmap_def): All sizes now unsigned.
8323 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8324 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8325 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8326 (sbitmap_zero): Cast bzero arg to PTR.
8327 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8328 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8329 loop to make structure clearer.
8330 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8331 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8332 (sbitmap_a_and_b_or_c): Likewise.
8333 (sbitmap_intersection_of_succs): Minor cleanups.
8334 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8335 (sbitmap_union_of_preds): Likewise.
8336 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8337 (debug_sbitmap): New function.
8339 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8340 * c-typeck.c (convert_for_assignment): Likewise.
8342 * expmed.c (init_expmed): Don't free objects we make.
8343 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8345 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8346 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8348 * gcse.c (expr_hash_table_size): Now unsigned.
8349 (compute_ae_gen): Local variable `i' now unsigned.
8350 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8351 (compute_transout, hoist_code): Likewise.
8352 (compute_local_properties): Likewise, also hash_table_size.
8353 (alloc_expr_hash_table): N_INSNS now unsigned.
8354 (delete_null_pointer_checks): Mark arg F as unused.
8356 * regrename.c: Minor cleanups, including chang some variables
8359 2000-04-10 Neil Booth <NeilB@earthling.net>
8361 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8363 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8365 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8367 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8368 __classof__, and __headof__ from the list of gnu keywords.
8369 (-ansi): Remove -foperator-names from list of implied options.
8370 Do not call it ANSI C++.
8371 (-foperator-names): Document as -fno-operator-names.
8373 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8375 * cpphash.c (timestamp): Delete.
8376 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8377 (special_symbol): Remove unnecessary braces. Remove
8378 T_VERSION. Treat T_STDC like T_CONST unless
8379 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8380 when one is encountered, then convert them into T_MCONST
8382 * cppinit.c (builtin_array): version_string is T_MCONST.
8383 __STDC__ has a "1" in its cpval. Don't have a terminator
8384 entry. Clean up which entries are dumped.
8385 (initialize_builtins): Only __STDC__ gets the special
8386 -traditional treatment. Count the length of builtin_array.
8387 Render version_string here.
8388 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8389 * cpplib.h (struct cpp_reader): Remove timebuf.
8391 2000-04-09 Richard Henderson <rth@cygnus.com>
8393 * genrecog.c (pred): Update comparison_operator for the unordered
8396 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8398 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8399 (uno_comparison_operator): New.
8400 (put_condition_code): Handle UNORDERED/ORDERED.
8401 (unsigned_comparison): Likewise.
8402 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8403 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8404 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8405 update all callers. Handle all 8 unordered operators.
8406 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8407 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8408 * config/i386/i386.h (PREDICATE_CODES): Update.
8409 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8410 (ix86_expand_branch, ix86_expand_setcc): Update.
8411 * config/i386/i386.md (sunordered, sordered): New.
8412 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8413 (bunordered, bordered): New.
8414 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8415 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8416 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8418 2000-04-09 Philip Blundell <philb@gnu.org>
8420 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8422 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8424 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8425 fix_truncxfhi2): New patterns.
8426 * i386.c (output_fix_trunc): Handle converting to HImode.
8428 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8430 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8432 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8433 (for_each_successor_phi): Change parameter to basic_block.
8434 (coalesce_regs_in_successor_phi_nodes): Likewise.
8435 (coalesce_regs_in_copies): Likewise.
8436 (compute_coalesced_reg_partition): Use basic_block instead of index.
8437 * rtl.h (convert_to_ssa): Delete.
8438 (convert_from_ssa): Likewise.
8439 (successor_phi_fn): Likewise.
8440 (for_each_successor_phi): Likewise.
8441 (in_ssa_form): Likewise.
8442 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8443 (convert_from_ssa): Likewise.
8444 (successor_phi_fn): Likewise.
8445 (in_ssa_form): Likewise.
8446 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8447 * flow.c (calculate_global_regs_live): Pass a basic_block to
8448 for_each_successor_phi.
8450 2000-04-08 Richard Henderson <rth@cygnus.com>
8452 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8453 was modified in the current insn.
8455 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8457 * arm/thumb.md: Delete.
8458 * arm/thumb-protos.h: Delete.
8460 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8462 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8464 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8466 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8469 * arm.md (nop): Use the standard RTL expression. Don't code as a
8471 (*arm_nop, *thumb_nop): Delete.
8473 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8474 constants. Use casts instead.
8475 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8476 output_multi_immediate, arm_poke_function_name): Likewise.
8477 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8478 MASK_RETURN_ADDDR): Likewise.
8480 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8482 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8485 * arm.md (eh_epilogue): New function.
8486 * arm.h (struct machine_function): Move to here ...
8487 * arm.c: ... from here.
8488 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8489 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8490 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8492 2000-03-30 Nick Clifton <nickc@cygnus.com>
8494 * config/arm/semi.h (ASM_SPEC): Restore definition.
8495 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8497 * config/arm/elf.h (ASM_SPEC): Restore definition.
8498 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8500 * config/arm/arm.h (ASM_SPEC): Remove definition.
8501 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8503 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8505 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8507 2000-03-24 Nick Clifton <nickc@cygnus.com>
8509 Various formating tidyups, elimination of compile time
8510 warnings and synchronisation with internal sources:
8512 * config/arm/arm-protos.h (assemble_align): Add prototype.
8513 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8514 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8515 (arm_return_addr_rtx): Rename to arm_return_addr.
8517 * config/arm/arm.c: Include except.h.
8518 Define shorter typenames for strict minipool_node and struct
8520 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8522 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8523 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8525 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8527 (ASM_SPEC): Define if not already defined.
8528 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8530 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8531 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8532 arm_gen_compare_reg.
8533 (indirect_jump): Only accept register operands.
8534 (load_indirect_jump): Keep this pattern since combine can generate
8537 * config/arm/coff.h: Include aout.h.
8538 (MULTILIB_DEFAULTS): Only define if not already defined.
8540 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8541 into arm.h (so that COFF ports can support thumb based aliases).
8542 (ASM_SPEC): Move definition into arm.h
8544 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8545 redundant apcs spec.
8546 (ASM_SPEC): Move definition to arm.h
8548 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8550 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8551 for entries in the .bss section
8553 2000-03-23 Nick Clifton <nickc@cygnus.com>
8555 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8556 to thumb_far_jump_used_p.
8558 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8559 single integer parameter.
8561 * config/arm/arm.c (struct machine_function): Add two new
8562 fields, 'far_jump_used' and 'arg_pointer_live'.
8563 (thumb_far_jump_used_p): Once the decision has been made that
8564 far jumps might be used, always return true.
8565 If being called from the initial elimination offset macro then
8566 do not bother to perform the test if the arg pointer is not
8568 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8569 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8571 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8573 * arm.c (output_return_instruction): Handle more cases where we can
8574 return from a function with an ldr instruction.
8575 (arm_output_epilogue): Likewise.
8577 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8578 if we need to push a large stack frame and there are no callee-saved
8581 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8582 in ARM code if the frame pointer has been eliminated.
8584 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8585 unspec_volatile arguments to avoid duplicates.
8586 (consttable_1, consttable_2): Fixes for big-endian mode.
8588 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8591 Re-write constant pool code.
8592 * arm.c (minipool_node, minipool_fix): New types.
8593 (minifix): Delete type.
8594 (arm_add_minipool_constant): Delete.
8595 (arm_compute_minipool_offsets, arm_find_barrier,
8596 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8597 (get_jump_table_size): Now returns HOST_WIDE_INT.
8598 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8600 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8601 (assign_minipool_offsets, arm_print_value): Likewise.
8602 (dump_minipool): Rewrite.
8603 (arm_barrier_cost): New function.
8604 (create_fix_barrier): New function.
8605 (push_minipool_barrier): New function.
8606 (push_minipool_fix): Record additional information about the fixup
8608 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8609 check the mode of what needs fixing.
8610 (arm_reorg): Rewrite.
8612 2000-03-08 Nick Clifton <nickc@cygnus.com>
8614 * config/arm/arm.md (indirect_jump): Force constant addresses into
8617 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8619 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8621 2000-02-24 Nick Clifton <nickc@cygnus.com>
8623 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8624 adjust is word aligned.
8625 (thumb_expand_epilogue): Make sure that stack adjust is word
8628 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8630 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8632 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8633 pointer relative addresses.
8635 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8637 * arm.c (find_barrier): Find the last barrier within the allowed
8640 2000-02-09 Nick Clifton <nickc@cygnus.com>
8642 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8644 2000-02-09 Nick Clifton <nickc@cygnus.com>
8646 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8647 ARM_FUNCTION_PROFILER.
8649 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8650 ARM_FUNCTION_PROFILER.
8652 * config/arm/linux-oldld.h: Imported from mainline sources.
8654 2000-02-07 Nick Clifton <nickc@cygnus.com>
8656 * config/arm/lib1funcs.asm: Merge in thumb functions from
8659 * config/arm/lib1thumb.asm: Delete.
8661 2000-02-04 Nick Clifton <nickc@cygnus.com>
8663 * config/arm/arm.c: Sychronised with current Red hat local
8665 * config/arm/arm.h: Ditto.
8666 * config/arm/arm-protos.h: Ditto.
8668 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8670 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8672 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8675 2000-02-02 Nick Clifton <nickc@cygnus.com>
8677 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8679 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8680 (return) was emited using an emit_insn() call.
8682 2000-01-31 Nick Clifton <nickc@cygnus.com>
8684 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8686 (thumb_exit): Move frame pointer back into hard frame pointer
8687 register if backtracing is being used.
8689 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8691 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8694 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8696 * config/arm/arm.md (neg_pool_offset): Provide default for new
8698 (arm_movsi_insn): Add neg_pool_offset attribute.
8699 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8700 rtx for the insn that starts the scan and an unsigned long for its
8701 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8702 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8703 instructions in *PINSERTED.
8704 (struct minipool_fixup): Add MIN_ADDRESS elt.
8705 (sort_fixups): Compute it.
8706 (arm_reorg): Changes to support inserting pools before the insn to be
8709 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8711 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8712 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8713 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8715 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8717 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8719 (TARGET_DEFAULT): Do not define if already defined.
8721 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8723 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8724 (iordi3): Allow disjoint source operands.
8725 (xordi3): Allow disjoint source operands.
8726 (negdi2): Permit construction for ARM and Thumb.
8727 (arm_negdi2): Renamed version of old negdi2 pattern.
8728 (thumb_negdi2): New pattern: Only permit non-overlapping
8729 source and destination.
8731 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8733 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8734 scratch low register so that it will not be deleted.
8736 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8738 * config/arm/pe.h (ARM_PE): Define.
8740 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8741 interfacearm attribute if this is a PE toolchain.
8742 (output_return_instruction): Do not emit anything if the function
8743 has the naked attribute set.
8744 (is_called_in_ARM_mode): If the function has the interfacearm
8745 attribute then return true.
8746 (thumb_expand_prologue): Do not generate a prologue for naked
8748 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8750 (output_thumb_prologue): Do not bother if the function is naked.
8751 Strip PE encoding from function name before emitting.
8753 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8755 * arm.md (pic_load_addr): Fix constraints.
8757 * arm.md (casesi_insn): Fix mis-applied patch.
8759 * arm.md ("core" function unit): Add rules for single- and
8761 (All TARGET_THUMB patterns): Add "type" attribute information
8763 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8764 the following insn is a CALL.
8766 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8768 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8769 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8770 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8772 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8774 * config/arm/linux-gas.h: oops - this file was missed out when the
8775 branch was created...
8777 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8779 * thumb.c: Deleted. Move contents to ...
8781 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8783 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8786 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8787 declare a prototype for asm_output_align();
8789 * arm.c (thumb_condition_code): Delete.
8790 (arm_print_operand): Always use arm_condition_code array.
8792 * arm.c (thumb_return_addr_rtx): Delete.
8793 (arm_save_machine_status, arm_restore_machine_status): Delete.
8794 (arm_init_machine_status, arm_mark_machine_status): New functions.
8795 (arm_init_expanders): Update accordingly.
8796 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8797 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8798 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8800 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8802 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8804 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8807 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8809 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8810 stack backtrace structure.
8812 * config/arm/arm-protos.h: Add prototypes for functions defined in
8815 * config/arm/arm.c (arm_override_options): Fix selection of
8816 attributes of default processor.
8818 * config/arm/coff.h: Delete needless #include.
8820 * config/arm/pe.c: Delete unused code.
8822 * config/arm/pe.h (CPP_DEFINES): Delete
8823 (SUBTARGET_CPP_SPEC): Define.
8824 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8826 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8828 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8830 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8832 (CAN_DEBUG_WITHOUT_FP): Define.
8833 (FIXED_REGISTERS): Make r11 call-saved.
8834 (CALL_USED_REGISTERS): Likewise.
8835 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8836 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8837 frame-pointer is required.
8838 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8839 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8840 if the target normally needs a stack frame in non-leaf functions.
8841 (use_return_insn): Correct logic for determining when a return
8842 instruction can be used.
8843 (output_return_instruction): Handle the frame-pointer register as
8844 a normal register when not TARGET_APCS_FRAME.
8845 (arm_output_prologue): Likewise.
8846 (arm_output_epilogue): Likewise.
8847 (output_func_epilogue): Likewise.
8848 (arm_expand_prologue): Likewise.
8849 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8851 * arm.c (use_return_insn): No need to check floating point regs if
8853 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8854 the code of value stored in the minipool array.
8855 (arm_add_minipool_constant): Likewise.
8857 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8859 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8861 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8863 * tree.c (tree_expr_nonnegative_p): New function.
8865 * tree.h (tree_expr_nonnegative_p): Declare.
8867 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8868 elide some sign_compare warnings.
8869 (build_conditional_expr): Likewise.
8871 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8873 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8875 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8876 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8877 operand. Abort if a 387 operand has an unsupported size.
8879 2000-04-08 Neil Booth <NeilB@earthling.net>
8881 * cppexp.c (parse_charconst): Null does not end character
8883 * cppinit.c (ISTABLE): Null character handled as whitespace.
8884 * cpplex.c (null_warning): new function.
8885 (skip_string): Emit warning if nulls encountered.
8886 (_cpp_skip_hspace): Emit warning if nulls encountered.
8887 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8891 2000-04-07 Richard Henderson <rth@cygnus.com>
8893 * flow.c (loop_depth): Remove.
8894 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8895 (struct propagate_block_info): New.
8896 (life_analysis): Don't allocate reg_next_use.
8897 (propagate_block_delete_insn): Break out of propagate_block.
8898 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8899 (propagate_block_delete_libcall): Likewise.
8900 (propagate_block): Create a propagate_block_info struct to pass
8901 to subroutines. Allocate one not two temporary regsets. Don't
8902 clobber memory for const calls. Look for clobbers in
8903 CALL_INSN_FUNCTION_USAGE.
8904 (mark_set_regs): Recognize COND_EXEC.
8905 (mark_set_reg): Break out of mark_set_1.
8906 (mark_used_reg): Break out of mark_used_regs.
8907 (mark_used_regs): Recognize COND_EXEC.
8908 (insn_dead_p): Use propagate_block_info struct.
8909 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8910 (find_auto_inc, try_pre_increment_1): Likewise.
8911 (print_rtl_with_bb): Dump regs live at end too.
8912 (count_reg_sets_1): Pass in loop_depth.
8913 (count_reg_sets, count_reg_references): Likewise.
8914 (recompute_reg_usage): Provide it.
8916 2000-04-07 Richard Henderson <rth@cygnus.com>
8918 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8921 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
8923 * cpplib.c (do_elif): Skip the rest of the line if we're
8924 not going to bother evaluating it.
8925 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
8926 to avoid pointless calls to the lexer.
8928 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
8930 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
8932 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
8934 * calls.c (expand_call): emit_queue if we're trying a sibcall.
8936 2000-04-07 Jakub Jelinek <jakub@redhat.com>
8938 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
8940 2000-04-06 Geoff Keating <geoffk@cygnus.com>
8942 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
8943 crtend so they can be multilibbed.
8944 (STAGESTUFF): Remove s-crt and s-crtS.
8946 2000-04-07 Richard Henderson <rth@cygnus.com>
8948 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
8949 if we discover we need a pseudo and no_new_pseudos is true.
8950 * config/alpha/alpha.md (ne:DI insn): New.
8951 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
8953 2000-04-07 Richard Henderson <rth@cygnus.com>
8955 * rtl.def (COND_EXEC): New.
8956 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
8957 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
8959 * genconfig.c (have_cond_arith_flag): Remove.
8960 (have_cond_exec_flag): New.
8961 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
8962 (main): Print HAVE_conditional_execution.
8964 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
8965 (sched_analyze_insn, print_pattern): Likewise.
8966 * reload.c (find_equiv_reg): Likewise.
8967 * rtlanal.c (reg_referenced_p): Likewise.
8968 (note_stores, dead_or_set_regno_p): Likewise.
8969 (reg_overlap_mentioned_p): Rewrite to use a switch.
8971 * ggc.h (struct rtx_def): Forward declare.
8973 * print-rtl.c (debug_rtx_range): New.
8974 * rtl.h (debug_rtx_range): Declare.
8976 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
8978 * gcse.c (gcse_main): Don't rebuild the CFG here.
8979 (delete_null_pointer_checks): Likewise.
8980 * ssa.c (convert_to_ssa): Likewise.
8981 * toplev.c (rest_of_compilation): Do it here instead. Combine
8982 sequential calls to TIMEVAR. Consistently use `insns' instead of
8983 `get_insns()'. Always split insns after reload when optimizing.
8985 * basic-block.h (merge_blocks_nomove): Declare.
8986 (tidy_fallthru_edge): Declare.
8987 * flow.c (merge_blocks_nomove): Document as merging into previous
8988 blocks. Remove cruft from between blocks; remove all edges out of A.
8989 (tidy_fallthru_edge): Export.
8991 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8993 * ssa.c (compute_conservative_reg_partition): Declare with
8995 * toplev.c (clean_dump_file): Remove previously-deleted function
8996 inadvertantly merged back in.
8997 * conflict.c (conflict_graph_add): Use a single call to
8998 htab_find_slot to look up and insert.
9000 2000-04-06 Richard Henderson <rth@cygnus.com>
9002 * genrecog.c (*): Rename _last_insn to last_insn.
9003 (make_insn_sequence): Set the position of the peephole2 C test
9004 to be at the last insn.
9006 2000-04-06 Richard Henderson <rth@cygnus.com>
9008 * flow.c (compute_flow_dominators): Free worklist.
9010 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9012 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9014 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9016 * rtl.h (INSN_P): New macro.
9017 (successor_phi_fn): New typedef.
9018 (for_each_successor_phi): New prototype.
9019 (in_ssa_form): New variable.
9020 (PHI_NODE_P): Likewise.
9021 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9022 phi nodes in successors.
9023 (mark_used_regs): Add PHI case.
9024 (set_phi_alternative_reg): New function.
9025 (life_analysis): Assert that dead code elimination is not selected
9027 * toplev.c (to_ssa_time): New variable.
9028 (from_ssa_time): Likewise.
9029 (compile_file): Zero to_ssa_time and from_ssa_time.
9030 Print time to convert to and from SSA.
9031 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9032 (print_time): Compute percent fraction as integer.
9033 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9034 (convert_to_ssa): Check if we're already in SSA.
9035 Don't eliminate dead code in life_analysis.
9036 Rerun flow and life analysis at bottom.
9037 (eliminate_phi): Use canonical regnos when adding nodes.
9038 (mark_reg_in_phi): New function.
9039 (mark_phi_and_copy_regs): Likewise.
9040 (convert_from_ssa): Rerun life analysis at top.
9041 Use coalesced partition.
9042 Check for removing a phi node at the end of the block.
9043 (compute_coalesced_reg_partition): New function.
9044 (coalesce_regs_in_copies): Likewise.
9045 (coalesce_reg_in_phi): Likewise.
9046 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9047 (for_each_successor_phi): Likewise.
9048 (rename_context): New struct.
9049 (rename_block): Use a rename_context with rename_insn_1. When
9050 renaming sets of a subreg, emit a copy of the entire reg first.
9051 (rename_insn_1): Treat data as a rename_context *. Save current
9053 (rename_set_data): Add field set_insn.
9054 * Makefile.in (HASHTAB_H): Move up in file.
9055 (OBSTACK_H): New macro.
9056 (collect2.o): Use OBSTACK_H in dependencies.
9057 (sdbout.o): Likewise.
9058 (emit-rtl.o): Likewise.
9059 (simplify-rtx.o): Likewise.
9060 (fix-header.o): Likewise.
9061 (OBJS): Add conflict.o.
9062 (conflict.o): New rule.
9063 * basic-block.h: Include partition.h.
9064 (conflict_graph): New typedef.
9065 (conflict_graph_enum_fn): Likewise.
9066 (conflict_graph_new): New prototype.
9067 (conflict_graph_delete): Likewise.
9068 (conflict_graph_add): Likewise.
9069 (conflict_graph_conflict_p): Likewise.
9070 (conflict_graph_enum): Likewise.
9071 (conflict_graph_merge_regs): Likewise.
9072 (conflict_graph_print): Likewise.
9073 (conflict_graph_compute): Likewise.
9074 * conflict.c: New file.
9076 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9078 * tlink.c (read_repo_files): Don't look for .rpo info for
9081 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9083 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9085 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9087 * config/sh/lib1funcs.asm (___udivsi3_i4):
9088 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9089 only depends on FMOVD_WORKS.
9091 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9093 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9094 make double constant 8-byte aligned.
9096 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9098 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9099 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9100 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9101 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9102 Accept storing GENERAL_REGS into offsetable memory.
9103 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9104 building a TFmode constant other than 0.0L into GENERAL_REGS.
9106 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9108 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9110 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9112 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9113 (macro_cleanup): No need to cast pbuf->macro.
9114 (collect_expansion): Use _cpp_get_define_token. Goto done if
9115 it returns VSPACE. Remove check for trailing space after
9117 (_cpp_create_definition): Don't diddle flags here. Return
9119 (unsafe_chars): Handle c1 being EOF.
9120 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9121 checks. Don't push the buffer till after we're done with
9123 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9124 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9125 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9127 (_cpp_parse_assertion): Don't NUL terminate.
9128 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9129 hspace before calling _cpp_parse_assertion. Remove all sets
9130 of only_seen_white. Treat '\f' as hspace. Don't do anything
9131 special with '\n' here.
9132 (maybe_macroexpand): Handle T_EMPTY hash entries without
9133 pushing a buffer at all.
9134 (cpp_get_token): Handle clearing only_seen_white here. Handle
9135 incrementing the line number here. Clear
9136 potential_control_macro as well as only_seen_white, if
9138 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9139 (_cpp_get_define_token): New function, basically like
9140 _cpp_get_directive_token was but doesn't eat horizontal space.
9141 Don't do anything with only_seen_white here.
9142 (_cpp_get_directive_token): Just call _cpp_get_define_token
9143 repeatedly till it returns non-hspace.
9145 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9146 (conditional_skip, skip_if_group): Return int.
9147 (DIRECTIVE_TABLE): Change origin of all conditional directives
9149 (TRAD_DIRECT_P): New macro.
9150 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9151 an error for a bogus directive, unless -lang-asm. Use
9152 TRAD_DIRECT_P. Loop calling handler functions till one returns
9154 (get_macro_name): Don't diddle flags here.
9155 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9156 Create T_EMPTY nodes for #define macro /* nothing */.
9157 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9158 Use hp->name when calling pass_thru_directive.
9159 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9160 Return the result of conditional_skip and/or skip_if_group.
9161 Don't call _cpp_output_line_command.
9162 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9163 Issue -Wtraditional warnings as appropriate. Don't complain
9164 about unrecognized directives. If we are to stop skipping,
9165 return the number of the directive that ended the skip.
9166 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9167 expansion and line commands while skipping. Return the result
9168 of consider_directive_while_skipping, if nonzero.
9169 (do_endif): Just set potential_control_macro here.
9170 (validate_else): Use _cpp_get_directive_token.
9171 (do_assert, do_unassert): Don't save pointers into the
9172 token_buffer across calls to the lexer. Use
9173 _cpp_get_directive_token.
9175 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9176 pointer, not an offset. Replace 'data', which was a generic
9177 pointer, with 'macro', which points to a struct hashnode.
9178 (cpp_reader): Add 'potential_control_macro' pointer.
9179 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9180 (CPP_BUF_GET, CPP_FORWARD): Delete.
9181 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9182 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9183 ACTIVE_MARK_P): Update.
9184 (_cpp_get_define_token): New internal function.
9185 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9187 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9189 * configure.in: And here.
9190 * configure: Regenerate.
9191 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9192 --enable-libstdcxx-v3 is passed at configure time.
9193 * config.h.in: Regenerate.
9195 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9197 * final.c (final): Use xcalloc to allocate line_note_exists.
9198 * function.c (free_after_compilation): Free the temp_slots.
9199 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9200 (combine_temp_slot): Free temp_slots when they get combined.
9201 (purge_addressof): Fix typo in comment.
9202 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9203 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9205 * ggc.h: Include varray.h.
9206 (ggc_pending_trees): Declare.
9207 (ggc_mark_tree_children): Remove declaration.
9208 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9209 * ggc-common.c (ggc_pending_trees): New variable.
9210 (ggc_mark_roots): Call ggc_mark_trees.
9211 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9212 the ggc_pending_trees.
9213 * Makefile.in (GGC_H): New variable. Use it throughout in place
9216 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9218 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9221 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9223 * sh.c (sh_insn_length_adjustment): New function.
9224 * sh-protos.h (sh_insn_length_adjustment): Declare.
9225 * sh.h (ADJUST_INSN_LENGTH): Use it.
9227 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9229 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9230 from the insn where REG_RETVAL is added.
9231 (emit_no_conflict_block): Ditto.
9233 * md.texi (Standard Names): Clarify when movX is needed.
9235 * combine.c (simplify_comparison) [MINUS]: Do not replace
9236 all (op (minus A B) 0) with (op A B).
9238 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9239 J"orn Rennecke <amylaar@cygnus.co.uk>
9241 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9242 (block_lump_real): Likewise.
9244 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9246 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9247 remaining non-zero debugging masks.
9249 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9251 * basic-block.h (verify_flow_info): Declare.
9252 (flow_loop_outside_edge_p): Declare.
9253 * flow.c (verify_flow_info): Remove declaration.
9254 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9256 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9258 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9261 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9263 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9264 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9265 seqdi_zero_trunc+1): Allow splits only if registers are
9268 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9270 * acconfig.h: Add HAVE_GAS_HIDDEN.
9271 * config.in: Regenerated.
9272 * configure.in: Add test for .hidden pseudo-op in gas.
9273 * configure: Regenerated.
9274 * crtstuff.c: Include auto-host.h.
9275 Emit additional .hidden pseudo-op for __dso_handle if the
9276 assembler knows about it.
9278 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9280 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9281 before freeing argnames.
9282 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9284 2000-04-05 Michael Meissner <meissner@redhat.com>
9286 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9287 Walton <jonboy@gordian.com> to make memory references with update
9288 work wtih -mregnames.
9290 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9292 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9293 (regrename_optimize): Rename variables `def_uses' and
9294 `ext_basic_blocks' to avoid conflicts with similarly named
9295 typedefs in traditional C.
9297 * calls.c (initialize_argument_information): Fix typo in previous
9300 2000-04-04 Richard Henderson <rth@cygnus.com>
9302 * regrename.c (consider_available): Test fixed_regs not
9303 PIC_OFFSET_TABLE_REGNUM.
9305 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9307 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9309 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9310 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9311 (ENDFILE_LINUX_SPEC): Always use crtend.
9312 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9313 (powerpc-*-linux-gnu): Likewise.
9314 * configure: Regenerate.
9316 * config/rs6000/eabi.h: Don't include sysv4.h.
9317 (MULTILIB_DEFAULTS): Don't define.
9318 * config/rs6000/eabiaix.h: Don't include eabi.h.
9319 * config/rs6000/eabile.h: Delete.
9320 * config/rs6000/eabilesim.h: Delete.
9321 * config/rs6000/eabisim.h: Don't include eabi.h.
9322 * config/rs6000/linux.h: Don't include sysv4.h.
9323 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9324 (MULTILIB_DEFAULTS): Don't redefine.
9325 * config/rs6000/rtems.h: Don't include eabi.h.
9326 * config/rs6000/sol2.h: Don't include sysv4le.h.
9327 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9328 * config/rs6000/t-ppc: Delete.
9329 * config/rs6000/t-ppcgas: Correct comment.
9330 * config/rs6000/t-ppcos: Correct comment. Don't build
9331 multilibs for -fPIC, rather use -fPIC -mstrict-align
9333 * config/rs6000/t-ppc: Delete.
9334 * config/rs6000/vxppc.h: Don't include sysv4.h.
9335 * config/rs6000/vxppcle.h: Delete.
9336 * configure.in: Use multiple header files for p2pc ELF targets
9337 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9338 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9339 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9340 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9341 always available for these platforms.
9343 2000-04-04 Richard Henderson <rth@cygnus.com>
9345 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9347 2000-04-04 Stan Cox <scox@cygnus.com>
9349 * Makefile.in: Add rules for regrename.o
9350 * regrename.c: New file.
9351 * rtl.h (regrename_optimize): Add prototype.
9352 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9353 (compile_file, decode_d_option): Add support for -frename-registers.
9354 (rest_of_compilation): Call regrename_optimize.
9355 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9358 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9360 * Makefile (gccbug): New target.
9361 (doc): Depend on it.
9362 * gcc.texi (Bugs): Link subnodes.
9364 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9365 Document severities, priorities, and classes in bug form.
9367 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9369 * cpplex.c (trigraph_map, speccase): Combine into single
9371 (NORMAL, NONTRI): New macros.
9372 (_cpp_read_and_prescan): Change to use unified table. Use
9373 is_hspace to test for whitespace.
9375 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9376 definition that doesn't provoke the "empty body in an
9377 if-statement" warning.
9379 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9381 * builtins.c (expand_builtin_strlen): Force the source to
9382 be a memory address.
9384 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9386 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9388 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9390 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9391 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9392 (ECF_IS_CONST): Rename to ECF_CONST.
9393 (special_function_p): Make static, change interface.
9394 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9395 (expand_call) ... here; convert number of variables to flags.
9396 (emit_library_call_vlue_1): Likewise.
9397 (setjmp_call_p): New function.
9398 (initialize_argument_information): Accepts flags as argument;
9400 (precompute_arguments): Likewise.
9401 * tree.h (special_function_p): Remove.
9402 (setjmp_call_p): Add prototype.
9404 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9406 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9407 so that addresses are offsetable by up to 16 bytes.
9408 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9409 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9412 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9413 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9414 (movsf): Don't force any constant to memory if target is integer
9416 Move fp_zero_operand check below the const0_rtx check.
9417 (movtf): Likewise. Also allow fp_zero_operand for stores into
9419 (movdf): Likewise. Also allow fp_zero_operand for stores into
9420 memory and into integer hard registers.
9421 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9422 movdf_const_intreg_sp64): Remove.
9423 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9425 (movdf_no_e_insn_v9_sp32): New pattern.
9426 (movdf_insn_v9only): Remove.
9427 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9428 (movdf_insn_sp64): Remove.
9429 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9430 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9431 (following splits): Rewrite conditions. Add two new splits
9432 for storing 0.0 into memory and registers.
9433 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9434 (movtf_insn_sp32): Redo constraints and conditions.
9435 (movtf_insn_vis_sp32): New pattern.
9436 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9437 (movtf_insn_hq_sp64): Likewise.
9438 (movtf_insn_hq_vis_sp64): New pattern.
9439 (movtf_insn_sp64): Redo constraints and conditions.
9440 (movtf_insn_vis_sp64): New pattern.
9441 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9442 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9444 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9445 -mvis or -m64 to take down the number of various reload patterns.
9447 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9449 * pa/pa-64.h: New file.
9450 * pa/pa64-regs.h: New file.
9451 * pa/pa64-start.h: New file.
9452 * pa/t-pa64: New file.
9453 * pa/xm-pa64hpux.h: New file.
9455 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9457 * sparc.c (output_restore_regs): Prototype.
9458 (sparc_emit_float_lib_cmp): Constification.
9460 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9462 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9465 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9466 (get_value_hash, hash_rtx): Likewise.
9468 * ssa.c (compute_conservative_reg_partition): Prototype.
9470 * tree.c (mark_hash_entry): Prototype.
9472 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9474 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9475 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9476 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9478 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9479 * objc/lang-specs.h: Likewise.
9481 2000-04-03 Neil Booth <NeilB@earthling.net>
9483 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9484 and SYNTAX_ERROR2. Replace `' in messages with ''.
9485 (op_to_str): Make re-entrant.
9486 (_cpp_parse_expr): Implement new error macros. Use | rather
9487 than || to logically or 2 boolean integers. Simply expression
9488 checking we have a left operand iff needed.
9490 2000-04-03 Nick Clifton <nickc@cygnus.com>
9492 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9494 2000-04-03 Philip Blundell <philb@gnu.org>
9496 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9498 2000-04-03 Felix Lee <flee@cygnus.com>
9500 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9501 (run_shell): Use it.
9503 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9505 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9506 (stmp-fixproto): ...rather than here.
9508 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9510 * pa.c (print_operand): Compute 'base' only inside the code paths
9513 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9515 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9518 2000-04-03 Philipp Thomas <pthomas@suse.de>
9520 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9522 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9524 * Makefile.in (alias.o): Depend on $(TREE_H).
9526 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9528 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9530 * cpplib.c (_cpp_handle_directive): Improve warnings for
9531 traditional C and indented directives.
9533 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9534 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9535 fixinc/inclhack.def: Indent the # of #include_next one space.
9536 * cp/rtti.c: Un-indent #if and #endif.
9538 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9539 syntax error, but an error has already been printed.
9540 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9541 message when called with nothing remaining on the line.
9542 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9543 OTHER token, not an ASSERTION.
9544 * cpplib.c (do_assert): When we create a 'base' node, clear
9545 its aschain pointer.
9547 2000-04-02 Neil Booth <NeilB@earthling.net>
9549 * cppexp.c: New typedef op_t. struct operation and struct
9550 token updated to use it.
9551 (op_to_str): New function.
9552 (_cpp_parse_expr): Error messages modified to use op_to_str.
9554 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9556 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9557 before checking MUST_PASS_IN_STACK.
9559 2000-04-02 Neil Booth <NeilB@earthling.net>
9561 * cppexp.c: New FINISHED dummy token. Combine operator initial
9562 flags and initial priority into a single constant. New
9563 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9564 (_parse_cpp_expr): Implement new constants. Take left operand
9565 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9566 parse indicated by reducing FINISHED token. Remove new lines
9567 from cpp_error messages.
9569 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9571 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9574 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9576 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9577 directive. Add origin values to DIRECTIVE_TABLE. Generate
9578 the strings and function names on the fly. Take the #sccs
9579 entry out of the table if SCCS_DIRECTIVE is not defined.
9580 (_cpp_handle_directive): Decide if the # was at the beginning
9581 of the line here. Issue -pedantic warnings for extended
9582 directives here. Warn about K+R directives with the #
9583 indented, and C89/extended directives with the # not indented,
9585 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9586 do_assert, do_unassert): Don't issue pedantic warning here.
9588 * cpphash.h: Add CPP_WTRADITIONAL macro.
9589 * cpplib.h (struct cpp_options): Rename warn_stringify to
9590 warn_traditional; update comments.
9591 * cppinit.c (handle_option): Set warn_traditional not
9593 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9594 CPP_WTRADITIONAL (pfile).
9595 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9596 be ignored in -traditional mode here.
9598 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9599 to initialize speccase[] and trigraph_map[]. Delete all
9600 references to pfile->input_speccase. Always treat '?' as a
9601 special character. Remove table-initialization code from
9602 _cpp_init_input_buffer.
9604 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9605 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9607 2000-04-01 Richard Henderson <rth@cygnus.com>
9609 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9610 (mostlyclean): Likewise.
9612 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9613 (struct dump_file_info, enum dump_file_index, dump_file): New.
9614 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9615 not a string. Clean out file if we havn't yet done so. Do nothing
9616 if the dump isn't enabled.
9617 (close_dump_file): Do nothing if the dump isn't open. Dump
9618 graph data if requested.
9619 (dump_rtl, clean_dump_file): Remove.
9620 (compile_file): Don't clean the dump files. Only finalize .bp dump
9621 if flag_test_coverage or flag_branch_probabilities. Only finalize
9622 .combine dump if optimizing. Iterate over dump_file to finalize the
9624 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9625 Convert all uses of dump_rtl.
9626 (decode_d_option): Iterate over dump_file to implement 'a' and to
9627 locate pass-specific dumps.
9629 2000-04-01 Neil Booth <NeilB@earthling.net>
9631 * cppexp.c: Redefine priority constants.
9632 (_cpp_parse_expr): Replace left and right priority scheme with
9633 single priority logic. Move LOGICAL to same place as COMPARE.
9634 Remove bogus check for multiple unary +/- operators.
9636 2000-04-01 Neil Booth <NeilB@earthling.net>
9638 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9639 within the switch statement. Binary operations break out of
9640 the switch naturally. '(' tokens handled by forcing
9641 immediate shift. ')' handled by forcing immediate reduce to
9642 the previous '('. New error messages.
9644 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9646 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9647 part', it's already in use. Use %K instead. Add a return at the
9648 end of what is now %K.
9649 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9651 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9653 * builtins.c (expand_builtin_apply): Pass proper parameters to
9654 allocate_dynamic_stack_space.
9655 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9656 update stack_pointer_delta; do not update arg_size_so_far.
9657 (compute_argument_block_size): Use stack_delta instead of
9658 stack_pointer_pending and arg_size_so_far.
9659 (expand_call): Add sanity checking for stack_pointer_delta;
9660 save and restore stack_pointer_delta for SIB, use
9661 stack_pointer_delta for alignment; do not update arg_space_so_far.
9662 (emit_library_call_value): Use stack_pointer_delta for alignment.
9663 (store_one_arg): Do not update arg_space_so_far.
9664 * explow.c (adjust_stack, anti_adjust_stack): Update
9665 stack_pointer_delta.
9666 (allocate_dynamic_stack_space): Add sanity checking for
9667 stack_pointer_delta.
9668 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9669 stack_pointer_delta.
9670 (emit_push_insn): Update stack_pointer_delta.
9671 * function.h (struct expr_status): Add x_stack_pointer_delta;
9672 remove x_arg_space_so_far.
9673 (arg_space_so_far): Remove.
9674 (stack_pointer_delta): New macro.
9676 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9678 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9679 Reorder struct cpp_options and struct cpp_reader for better
9680 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9681 takes two args. Change all 'char' flags to 'unsigned char'.
9682 Move show_column flag into struct cpp_options. Don't
9683 prototype cpp_options_init.
9684 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9685 cppinit.c, cpplex.c, cpplib.c:
9686 Replace CPP_OPTIONS (pfile)->whatever with
9687 CPP_OPTION (pfile, whatever), and likewise for
9688 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9690 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9691 Extract CPP_OPTION (pfile, pending) and work with that
9693 (cpp_options_init): Delete.
9694 (cpp_reader_init): Turn on on-by-default options here.
9695 Allocate the pending structure here.
9696 (cl_options, enum opt_code): Define these from the same table,
9697 kept in a large macro. Add -fshow-column and -fno-show-column
9700 * cpperror.c (v_message): If show_column is off, don't print
9703 * cppmain.c: Update for new interface.
9704 * fix-header.c: Likewise.
9706 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9708 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9710 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9711 are passed to any invocation of AR_FOR_TARGET.
9712 (AR_CREATE_FOR_TARGET): New macro.
9713 (AR_EXTRACT_FOR_TARGET): New macro.
9714 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9715 AR_EXTRACT_FOR_TARGET.
9716 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9717 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9718 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9719 AR_EXTRACT_FOR_TARGET to sub-makes.
9721 2000-03-31 Neil Booth <NeilB@earthling.net>
9723 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9725 (_cpp_parse_expr): Check for multiple unary +/- operators.
9726 Correct priorities of ':' and '?'. Treat ')' as having a
9727 value. Ensure conditional expression is not void.
9729 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9731 * alias.c (canon_rtx): Make it global.
9732 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9734 * cse.c (struct table_elt): Add canon_exp.
9736 (invalidate): Canonicalize expressions only once.
9737 * rtl.h (canon_rtx): Declare.
9739 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9741 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9742 * alias.c (reg_known_value): Add comments.
9743 (init_alias_analysis): Likewise.
9744 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9746 (cse_basic_block): Fix typo in comment.
9747 * emit-rtl.c: Include hashtab.h.
9748 (const_int_htab): New variable.
9749 (const_int_htab_hash): New function.
9750 (const_int_htab_eq): Likewise.
9751 (rtx_htab_mark_1): Likewise.
9752 (rtx_htab_mark): Likewise.
9753 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9754 (unshare_all_rtx): Fix formatting.
9755 (init_emit_once): Initialize const_int_htab.
9756 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9758 * rtl.texi: Document the fact that all CONST_INTs with the same
9761 2000-03-30 Richard Henderson <rth@cygnus.com>
9763 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9765 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9767 * configure.in: Comment out --enable-c-cpplib stanza.
9768 * configure: Regenerate.
9770 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9772 * expr.c (store_constructor): Properly compute displacement and
9773 alignment when offset is variable.
9775 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9776 cases of alignment in bytes.
9778 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9780 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9781 since it is used to generate c-parse.y.
9782 * objc-parse.c, objc-parse.y: Regenerated.
9784 * function.c (expand_function_end): Pass alignment argument to
9785 emit_block_move in bits, not bytes.
9787 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9789 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9792 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9794 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9795 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9796 * function.c (assign_parms): Likewise.
9797 * integrate.c (expand_inline_function): Likewise.
9798 * stmt.c (expand_decl): Likewise.
9799 (copy_rtx_and_substitute): Likewise.
9800 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9801 (clear_by_pieces): Fix error in last change.
9802 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9803 * function.h (regno_pointer_align): Now unsigned.
9804 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9806 * config/i386/i386.c (aligned_operand): Likewise.
9807 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9808 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9809 (unaligned_memory_operand): Likewise.
9810 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9811 Also make alignments and sizes unsigned and some whitespace cleanup.
9812 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9814 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9815 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9816 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9817 (expand_builtin_memset): Likewise, but to clear_storage.
9818 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9819 (restore_fixed_argument_area): Likewise.
9820 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9821 (load_register_parameters): Likewise, to emit_group_load.
9822 (expand_call): Likewise, to emit_group_store and emit_block_move.
9823 (emit_library_call_value_1): Likewise, to emit_block_move.
9824 (store_one_arg): Likewise, and to emit_push_insn.
9825 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9826 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9827 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9828 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9829 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9830 (expand_assigment, store_expr, store_constructor_field): Likewise.
9831 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9832 (store_constructor, store_field, get_inner_reference): Likewise.
9833 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9834 (expand_expr, case COMPONENT_REF): Likewise.
9835 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9836 and positions; reindent code.
9837 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9838 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9839 (assign_parms): Likewise to emit_group_store.
9840 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9841 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9842 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9843 (expand_return): Likewise to {extract,store}_bit_field.
9844 * stor-layout.c (get_mode_alignment): Minor cleanup.
9845 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9846 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9848 2000-03-29 Nick Clifton <nickc@cygnus.com>
9850 * config/arm/arm.h: Undo effects of previous delta:
9851 (ASM_SPEC): Do not define.
9852 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9854 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9857 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9859 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9860 only after reading in the primary source file.
9862 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9864 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9865 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9866 or a reference to a va_list.
9867 * builtins.c (stabilize_va_list): Simplify now we don't have to
9868 work around C array address decay.
9869 * c-typeck.c (convert_for_assignment): Handle assignment to
9870 a reference parameter by taking the address of the RHS.
9871 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9872 (va_copy): Likewise.
9873 (__va_copy): Likewise.
9874 * ginclude/varargs.h (va_start): Likewise.
9875 (__va_copy): Likewise.
9877 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9879 * i386/djgpp.h: Remove extraneous "+".
9881 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9883 * calls.c (expand_call): Fix typo in last change.
9885 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9887 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9890 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9892 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9893 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9894 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9895 * tree.c (bit_position, byte_position): Likewise.
9896 * tree.h: Declare new functions.
9898 2000-03-29 Nick Clifton <nickc@cygnus.com>
9900 * config/arm/arm.c: Minor formatting changes/
9901 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9903 (ASM_SPEC): Define if not already defined.
9905 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9907 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9910 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9912 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9913 value, don't output it as unsigned.
9915 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9917 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9919 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9921 * c-common.c (c_common_nodes_and_builtins): Don't special case
9922 cplus_mode when declaring builtin bzero/bcmp, always avoid
9923 prototype arguments.
9925 2000-03-29 Bruce Korb <bkorb@gnu.org>
9927 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
9930 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9932 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
9933 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
9934 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
9935 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
9936 (save_fixed_argument_area, restore_fixed_argument_area):
9937 conditionize by #ifdef REG_PARM_STACK_SPACE only.
9938 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
9939 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
9940 (precompute_register_parameters): Avoid #ifdefs on
9941 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
9942 (stire_one_args): Likewise.
9943 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
9944 (emit_library_call_value_1): Likewise.
9945 (compute_argument_block_size): Align to STACK_BOUNDARY only for
9946 ACCUMULATE_OUTGOING_ARGS.
9947 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
9949 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
9950 (use_crosses_set_p): Likewise.
9951 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
9952 #define ACCUMULATE_OUTGOING_ARGS 1.
9953 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
9955 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
9957 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
9958 (TARGET_SWITCHES): Add push-args, no-push-args,
9959 accumulate-outgoing-args and no-accumulate-outgoing-args.
9960 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
9961 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
9962 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
9964 (emit_push_insn): Likewise.
9965 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9966 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
9967 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9968 (STACK_DYNAMIC_OFFSET): Define correctly for both
9969 ACCUMULATE_OUTGOING_ARGS and normal mode.
9970 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
9971 * tm.texi (PUSH_ARGS): Document.
9972 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
9974 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
9976 * flags.h (flag_optimize_sibling_calls): Declare.
9977 * calls.c (expand_call): Fail sibcall when
9978 !flag_optimize_sibling_calls
9979 * invoke.texi (flag_optimize_sibling_calls): Document.
9980 * toplev.c (flag_optimize_sibling_calls): New global variable.
9981 (f_options): Add flag_optimize_sibling_calls.
9982 (rest_of_compilation): Conditionize
9983 optimize_sibling_and_tail_recursive_calls by
9984 flag_optimize_sibling_calls.
9985 (main): Set flag_optimize_sibling_calls for -O2.
9986 * stmt.c (expand_return): Conditionize tail recursion by
9987 flag_optimize_sibling_calls.
9989 2000-03-29 Richard Henderson <rth@cygnus.com>
9991 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
9992 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
9994 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
9996 * except.c (add_eh_table_entry): Mark type_info's as referenced.
9998 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10000 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10002 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10003 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10004 * config/rs6000/aix.h: then modified likewise.
10006 2000-03-28 Richard Henderson <rth@cygnus.com>
10008 * rtl.h: Redistribute enum reg_note documentation.
10009 Kill trailing whitespace.
10010 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10011 Kill trailing whitespace.
10013 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10015 * cppfiles.c (hash_IHASH): Just return i->hash.
10016 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10017 htab_find_with_hash.
10018 (cpp_read_file): Likewise.
10019 (find_include_file): Likewise. Properly initialize
10020 ih->nshort. Share ih->name and ih->nshort if possible.
10021 * cpphash.c (_cpp_calc_hash): New function.
10022 (hash_HASHNODE): Just return h->hash.
10023 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10024 htab_find_with_hash.
10025 * cpphash.h: Prototype _cpp_calc_hash.
10026 * cppinit.c (initialize_builtins): Provide a valid hash
10027 to _cpp_make_hashnode, using _cpp_calc_hash.
10029 * cpphash.c (collect_expansion): # is not a special character
10030 in object-like macros. In -traditional mode, /**/ is not
10031 token paste at the beginning or end of the line.
10032 * cpplib.c (do_include, do_import, do_include_next): If
10033 parse_include fails, return immediately.
10035 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10037 * config/arm/arm.md (return peepholes): Update to reflect the new
10038 call insn patterns.
10039 * config/arm/arm.c (arm_volatile_func): Also check
10040 current_function_nothrow.
10041 (output_return_instruction, output_func_prologue): Use it.
10042 (arm_output_epilogue, arm_expand_prologue): Likewise.
10044 2000-03-27 Tom Tromey <tromey@cygnus.com>
10046 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10049 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10051 * expr.c (store_constructor): SIZE now signed.
10052 For EXPR_SIZE, don't evaluate size; just needed if constant.
10053 * fold-const.c (fold): Fix a number of cases when folded tree is
10055 * function.c (flush_addressof): Reenable.
10056 * tree.h (flush_addressof): Likewise.
10057 * toplev.c (independent_decode_option): Look at strings_processed.
10058 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10060 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10062 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10063 Allow stack adjustment after function call.
10065 * regmove.c (struct csa_memlist): Make mem field rtx *.
10066 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10067 (try_apply_stack_adjustment): Replace whole MEM rtx.
10068 (combine_stack_adjustments_for_block): Update calls
10069 to record_one_stack_ref.
10071 2000-03-28 Neil Booth <NeilB@earthling.net>
10073 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10074 '\\' rather than a null character, so nulls are not special. Fix
10075 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10076 speed trigraph conversion.
10077 (_cpp_init_input_buffer): Initialize trigraph map.
10079 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10081 * config/i386/i386.c (output_387_binary_op): Correct intel
10082 mode assembly output, and add spaces after commas in AT&T
10083 output. Correct Unixware assembler comment. Document input
10084 constraints. Comment fp operations. Reduce profligate buffer
10085 size. Remove extraneous abort. Localize temp var.
10086 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10087 (output_fix_trunc): Add spaces after commas in assembly output.
10089 2000-03-27 Richard Henderson <rth@cygnus.com>
10091 * i386-protos.h (ix86_match_ccmode): Declare.
10092 * i386.c (ix86_match_ccmode): New.
10093 (ix86_expand_fp_compare): Update for pattern renames.
10094 (ix86_expand_strlensi_unroll_1): Likewise.
10095 * i386.h (EXTRA_CC_MODES): Add CCZ.
10096 (SELECT_CC_MODE): Use it for EQ/NE zero.
10097 * i386.md (cmpsi_ccz_1): New.
10098 (cmpqi_ccz_1): New.
10099 (*testsi_ccz_1): New.
10100 (testqi_ccz_1): New.
10101 (cmpsi_ccno_1): Rename from cmpsi_0.
10102 (testsi_ccno_1): Rename from testsi_1.
10103 (testqi_ccno_1): Rename from testqi_1.
10104 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10105 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10106 (*cmphi_0): Use ix86_match_ccmode.
10107 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10108 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10109 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10110 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10111 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10112 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10113 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10114 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10115 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10116 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10117 (appropriate peepholes): Likewise.
10118 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10119 (*subsi_3, *subhi_3, *subqi_3): Remove.
10120 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10121 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10122 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10123 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10124 (x86_shift_adj_1): Use CCZ.
10125 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10127 2000-03-27 Stan Cox <scox@cygnus.com>
10129 * resource.h (mark_resource_type): New.
10130 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10131 find_free_register): Use mark_resource_type.
10132 (mark_set_resources): Change include_delayed_effects
10133 to mark_resource_type.
10134 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10135 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10136 Use mark_resource_type.
10138 2000-03-27 Richard Henderson <rth@cygnus.com>
10140 * i386.md (call_pop_0, call_value_pop_0): New.
10141 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10142 (call_value_pop_1): Likewise.
10143 (call_0, call_value_0): New.
10144 (call_1, call_value_1): Remove constraint from unused arg.
10146 2000-03-27 Nick Clifton <nickc@cygnus.com>
10148 * invoke.texi (Spec Files): Document new spec % command created by
10149 Tom Tromey's recent patch.
10151 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10153 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10156 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10158 * expr.c (expand_assignment): Fix typo in last change.
10160 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10162 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10164 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10165 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10166 and DECL_INLINE if FUNCTION_DECL.
10167 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10168 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10169 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10170 (combine_parm_decls): Likewise.
10171 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10172 * print-tree.c (print_node): Likewise.
10173 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10174 DECL_TRANSPARENT_UNION on proper decl types.
10175 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10176 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10177 DECL_BIT_FIELD of FIELD_DECL.
10178 * tree.h (DECL_RESULT_FLD): New macro.
10180 * expr.c (expand_assignment): Add code to handle variable-sized
10183 2000-03-26 Richard Henderson <rth@cygnus.com>
10185 * calls.c (expand_call): Pass parms not original exp to
10186 optimize_tail_recursion. Mind return value instead of looking
10188 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10189 call_expr. Move checks for call_expr and current_function_decl ...
10190 (expand_return): ... here.
10192 2000-03-26 Tom Tromey <tromey@cygnus.com>
10194 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10195 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10197 (process_command): Use them.
10198 (check_live_switch): Likewise.
10199 (give_switch): Skip ignored switches.
10201 2000-03-26 Jan Hubicka <jh@suse.cz>
10203 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10204 for minimal jump pass test.
10206 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10208 * integrate.c (function_cannot_inline_p): Do inline functions that
10211 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10213 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10214 now a list of TREE_LIST entries, not types.
10215 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10217 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10218 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10220 * config/mips/mips.c (function_arg): Likewise; also remove cast
10221 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10222 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10223 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10224 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10225 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10226 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10227 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10228 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10229 num_adjusts now unsigned.
10230 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10231 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10232 NREGS now unsigned.
10233 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10234 as is BITPOS variable; use host_integerp and int_bit_position.
10235 (function_arg_record_value_2): Likewise.
10236 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10237 Variable REGNO now unsigned.
10238 (function_arg_record_value): NREGS now unsigned.
10240 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10242 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10244 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10246 * Rework fields used to describe positions of bitfields and
10247 modify sizes to be unsigned and use HOST_WIDE_INT.
10248 * alias.c (reg_known_value_size): Now unsigned.
10249 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10250 (really_start_incremental_init): Use bitsize_zero_node.
10251 (push_init_level, pop_init_level, output_init_element): Likewise.
10252 Use bitsize_unit_node and bitsize_one_node.
10253 (output_pending_init_elements, process_init_element): Likewise.
10254 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10255 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10256 HOST_WIDE_INT, respectively.
10257 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10258 (num_sign_bit_copies): Returns unsigned.
10259 BITWIDTH now unsigned; rework arithmetic.
10260 Remove recursive call from arg to MAX.
10261 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10262 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10263 REGNO now unsigned.
10264 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10265 (find_split_point, expand_compound_operation, make_extraction): LEN
10266 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10267 (make_field_assignment): Likewise.
10268 (combine_simplify_rtx): Add cast.
10269 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10270 (force_to_mode): WIDTH now unsigned; add cast.
10271 (if_then_else_cond): SIZE now unsigned.
10272 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10273 (extended_count): Now returns unsigned.
10274 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10275 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10276 (simplify_comparison): MODE_WIDTH now unsigned.
10277 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10278 (mark_used_regs_combine): Likewise; rework arithmetic.
10279 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10280 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10281 (record_promoted_value): REGNO now unsigned.
10282 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10283 (get_last_value): REGNO now unsigned.
10284 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10285 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10286 (remove_death): Arg REGNO now unsigned.
10287 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10288 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10290 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10291 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10292 (struct cse_reg_info): REGNO now unsigned.
10293 (cached_regno): Now unsigned.
10294 (REGNO_QTY_VALID_P): Add cast.
10295 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10296 (remove_invalid_regs): Likewise.
10297 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10298 as are variables END and I.
10299 (get_cse_reg_info, insert): Likewise.
10300 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10301 (canon_hash): Likewise.
10302 (insert_regs, lookup_for_remove): REGNO now unsigned.
10303 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10305 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10306 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10307 * emit-rtl.c (subreg_realpart_p): Add cast.
10308 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10309 (operand_subword_force): Arg I is now unsigned.
10310 * except.c (eh_regs): Variable I is now unsigned.
10311 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10312 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10313 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10314 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10315 (extract_split_bit_field, store_bit_field, extract_bit_field):
10317 * expr.c (store_constructor_fields, store_constructor, store_field):
10318 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10319 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10320 (do_jump): Likewise.
10321 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10322 MAX_SIZE is now unsigned.
10323 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10324 (emit_group_store): Likewise.
10325 (emit_move_insn): I now unsigned.
10326 (store_constructor): Use host_integerp, tree_low_cst, and
10328 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10329 Rework all calculations to use trees and new fields.
10330 * expr.h (promoted_input_arg): Regno now unsigned.
10331 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10332 (mark_seen_cases): Arg is HOST_WIDE_INT.
10333 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10334 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10335 precisions and alignments are unsigned.
10336 (optimize_bit_field_compare, fold_truthop): Likewise.
10337 (int_const_binop): Adjust threshold for size_int_type_wide call.
10338 (fold_convert): Likewise.
10339 (size_int_type_wide): Make table larger and fix thinko that only
10340 had half of table used.
10341 (all_ones_mask_p, fold): Precisions are unsigned.
10342 * function.c (put_reg_info_stack): REGNO is unsigned.
10343 (instantiate_decl): Size is HOST_WIDE_INT.
10344 (instantiate_virtual_regs): I is unsigned.
10345 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10346 (promoted_input_arg): REGNO is unsigned.
10347 * function.h (struct function): x_max_parm_reg is now unsigned.
10348 * gcse.c (max_gcse_regno): Now unsigned.
10349 (struct null_pointer_info): min_reg and max_reg now unsigned.
10350 (lookup_set, next_set): REGNO arg now unsigned.
10351 (compute_hash_table): REGNO and I now unsigned.
10352 (handle_avail_expr): regnum_for_replacing now unsigned.
10353 (cprop_insn): REGNO now unsigned.
10354 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10355 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10356 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10357 * hard-reg-set.h (reg_class_size): Now unsigned.
10358 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10359 * jump.c (mark_modified_reg): I now unsigned; add cast.
10360 (rtx_equal_for_thread_p): Add cast.
10361 * loop.c (max_reg_before_loop): Now unsigned.
10362 (struct_movable): REGNO now unsigned.
10363 (try_copy_prop): REGNO arg unsigned.
10364 (regs_match_p): XN and YN now unsigned.
10365 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10366 (strength_reduce): Likewise; NREGS also unsigned.
10367 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10368 * loop.h (struct iv_class): REGNO now unsigned.
10369 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10371 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10372 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10373 * optabs.c (expand_binop): I and NWORDS now unsigned.
10374 (expand_unop): I now unsigned.
10375 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10376 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10377 * real.c (significand_size): Now returns unsigned.
10378 * real.h (significand_size): Likewise.
10379 * regclass.c (reg_class_size): Now unsigned.
10380 (choose_hard_reg_mode): Both operands now unsigned.
10381 (record_reg_classes): REGNO and NR now unsigned.
10382 (reg_scan): NREGS now unsigned.
10383 (reg_scan_update): old_max_regno now unsigned.
10384 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10385 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10386 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10387 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10388 Likewise for variable R.
10389 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10390 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10391 (find_equiv_reg): Add casts.
10392 (regno_clobbered_p): Arg REGNO now unsigned.
10393 * reload.h (struct reload): NREGS now unsigned.
10394 (refers_to_regno_for_reload_p): Regno args are unsigned.
10395 (regno_clobbered_p): Likewise.
10396 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10397 (compute_use_by_pseudos): REGNO now unsigned.
10398 (find_reg): I and J now unsigned, new variable K, and change loop
10399 variables accordingly; THIS_NREGS now unsigned.
10400 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10401 (spill_hard_reg): REGNO arg now unsigned; add casts.
10402 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10403 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10404 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10405 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10406 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10407 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10408 (emit_reload_insns): REGNO now unsigned.
10409 (reload_cse_move2add): Add cast.
10410 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10412 * resource.c (mark_referenced_resources, mark_set_resources): New
10413 variable R; REGNO and LAST_REGNO now unsigned.
10414 (mark_target_live_regs): J and REGNO now unsigned.
10415 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10416 * rtl.h (union rtunion_def): New field rtuint.
10417 (XCUINT): New macro.
10418 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10419 (operand_subword, operand_subword_force): Word number is unsigned.
10420 (choose_hard_reg_mode): Operands are unsigned.
10421 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10422 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10423 (regno_use_in, combine_instructions, remove_death): Likewise.
10424 (reg_scan, reg_scan_update): Likewise.
10425 (extended_count): Return is unsigned.
10426 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10427 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10428 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10429 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10430 (reg_reg_last_1): FIRS and LAST now unsigned.
10431 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10432 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10434 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10435 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10436 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10437 (replace_regs): Arg NREGS now unsigned.
10438 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10439 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10440 (simplify_binary_operation): Likewise.
10441 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10442 THIS_LAST now unsigned.
10443 (cselib_record_set): Add cast.
10444 * ssa.c (ssa_max_reg_num): Now unsigned.
10445 (rename_block): REGNO now unsigned.
10446 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10447 sizes now unsigned.
10448 (all_cases_count): Just return -1 not -2.
10449 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10450 Rework tests to use trees whenever possible.
10451 Use host_integerp and tree_low_cst.
10452 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10453 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10454 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10455 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10456 (smallest_mode_for_size): Likewise.
10457 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10458 KNOWN_ALIGN is now an alignment, so simplify code.
10459 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10460 (start_record_layout): Renamed from new_record_layout_info.
10461 Update to new fields.
10462 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10464 (place_union_field): Renamed from layout_union_field.
10465 Update to use new fields in rli.
10466 (place_field): Renamed from layout_field.
10467 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10468 (finalize_record_size): Rework to use new fields in rli and handle
10470 (compute_record_mode): Rework to simplify and to use new DECL fields.
10471 (finalize_type_size): Make rounding more consistent.
10472 (finish_union_layout): Deleted.
10473 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10474 (layout_type, case RECORD_TYPE): Call new function names.
10475 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10476 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10477 (get_best_mode): UNIT is now unsigned; remove casts.
10478 * tree.c (bit_position): Compute from new fields.
10479 (byte_position, int_byte_position): New functions.
10480 (print_type_hash_statistics): Cast to remove warning.
10481 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10482 (build_index_type): Likewise; make subtype of sizetype.
10483 (build_index_2_type): Pass sizetype to build_range_type.
10484 (build_common_tree_nodes): Use size_int and bitsize_int to
10485 initialize nodes; add bitsize_{zero,one,unit}_node.
10486 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10487 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10488 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10489 (DECL_FIELD_BITPOS): Deleted.
10490 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10491 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10492 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10493 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10494 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10495 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10496 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10497 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10498 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10499 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10500 (DECL_ALIGN): Adjust to new field in union.
10501 (DECL_OFFSET_ALIGN): New field.
10502 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10503 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10504 (union tree_decl): Add struct for both aligns.
10505 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10506 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10507 (struct record_layout_info): Rework fields to have offset
10508 alignment and byte and bit position.
10509 (start_record_layout, place_field): Renamed from old names.
10510 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10511 (byte_position, int_byte_position): Likewise.
10512 (get_inner_reference): Change types of position and length.
10513 * unroll.c (unroll_loop): New variable R; use for some loops.
10514 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10515 (calculate_giv_inc): Arg REGNO now unsigned.
10516 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10517 * varasm.c (assemble_variable): Clean up handling of size using
10518 host_integerp and tree_low_cst.
10519 (decode_addr_const): Use byte, not bit, position.
10520 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10521 use tree_low_cst and int_bit_position.
10522 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10524 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10526 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10527 (reorder_block_def): New members eff_head and eff_end.
10528 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10529 (verify_insn_chain): New function.
10530 (skip_insns_between_block): Add code to skip deleted insns.
10531 Check for note before using.
10532 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10533 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10534 Check for note before using.
10535 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10536 (fixup_reorder_chain): Restructure, clean up, defect removal.
10537 (reorder_basic_blocks): Remove last_insn and references to it.
10538 Moved insn chain verification code into a new function (see above).
10539 Delete defective code that sets last insn.
10540 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10543 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10545 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10547 2000-03-24 Richard Henderson <rth@cygnus.com>
10549 * tree.c (lang_safe_for_unsave): Remove.
10550 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10551 allowing for two levels of unsafeness. Remove lang hook.
10552 * tree.h: Update declarations.
10553 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10554 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10555 Always fail sibcalls when there are pending cleanups.
10557 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10559 * flow.c (propagate_block): When we delete an ADDR_VEC,
10560 also delete the BARRIER following it if there is one.
10562 2000-03-24 Richard Henderson <rth@cygnus.com>
10564 * builtins.c (expand_builtin_bzero): Convert `length' argument
10567 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10569 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10570 comparison if regno's are equal.
10571 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10572 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10573 (expand_call): Update caller.
10574 Avoid making a sibling call if argument size of the callee is larger
10575 than argument size of the caller.
10576 Call hard_function_value with outgoing set if in sibcall pass.
10577 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10579 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10580 Change LEAF_REGISTERS from an array initializer to actual array
10581 identifier. Move static global variable into the function.
10582 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10583 sequences for leaf functions.
10584 * global.c (global_alloc): Likewise.
10585 * tm.texi (LEAF_REGISTERS): Update documentation.
10587 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10588 TARGET_FLAT leaf disabling hack.
10589 (LEAF_REGISTERS): Changed from an array initializer to actual array
10590 identifier to avoid duplication and remove the above hack.
10591 (FUNCTION_OK_FOR_SIBCALL): Define.
10592 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10593 always like call attribute.
10594 (eligible_for_sibcall_delay): New attribute.
10595 (sibcall): New delay type.
10596 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10597 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10598 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10599 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10600 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10602 (output_function_epilogue): Move part of the code into
10603 output_restore_regs.
10604 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10606 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10609 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10610 until infrastructure is finished.
10612 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10614 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10615 (save_parm_insns): Not here.
10617 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10619 * builtins.c (expand_builtin_bzero): New function.
10620 (expand_builtin): Handle bzero.
10622 * builtins.def: Add BUILT_IN_BZERO.
10624 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10625 prototype & function for bzero.
10627 2000-03-23 Michael Meissner <meissner@redhat.com>
10629 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10630 change adding TARGET_FP to the TF floating point insns, except for
10631 trunctfsf2, which generates direct calls to truncdfsf2.
10633 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10635 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10636 try to protect against middle-end changes that break binary
10638 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10640 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10642 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10644 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10646 * calls.c (expand_call): If TARGET is passed by reference and
10647 is readonly, write a CLOBBER.
10649 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10651 * builtins.c (expand_builtin): Handle bcmp.
10653 * builtins.def: Add BUILT_IN_BCMP.
10655 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10656 prototype & function for bcmp.
10658 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10660 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10661 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10662 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10664 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10666 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10667 alternative when using -fp64 -gp32.
10669 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10671 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10672 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10673 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10675 * frame.h (frame_state): Revert last change.
10676 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10677 * libgcc2.c (throw_helper): Revert last change.
10679 2000-03-22 Richard Henderson <rth@cygnus.com>
10681 * stmt.c (expand_asm_operands): Don't promote the temporary.
10683 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10685 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10686 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10687 c_get_alias_set): Likewise.
10688 * c-decl.c (duplicate_decls): Likewise.
10689 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10690 * calls.c (initialize_argument_information): Likewise.
10691 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10693 * dwarfout.c (decl_class_context,output_type): Likewise.
10694 * expr.c (get_inner_reference): Likewise.
10695 * fold-const.c (simple_operand_p,fold): Likewise.
10696 * function.c (aggregate_value_p): Likewise.
10697 * stmt.c (expand_asm_operands): Likewise.
10698 * varasm.c (named_section): Likewise.
10700 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10702 Implement dwarf2 exception handling for the ARM.
10703 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10704 (DWARF_FRAME_RETURN_COLUMN): Define.
10705 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10706 REG_FRAME_RELATED_EXPR note.
10707 (emit_sfm): Likewise.
10708 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10709 * dwarf2out.c (reg_save): Handle saving a register to itself.
10710 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10711 * except.c (eh_regs): Don't use the static chain reg if it's
10713 * frame.h (frame_state): Add cfa_saved field.
10714 * frame.c (execute_cfa_insn): Set it.
10715 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10717 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10719 (instantiate_virtual_regs): Adjust.
10721 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10722 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10723 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10725 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10726 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10728 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10730 * builtins.def: New file.
10732 * Makefile.in (TREE_H): Depend on builtins.def.
10734 * builtins.c (built_in_names): Use builtins.def.
10736 * tree.h (built_in_function): Likewise.
10738 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10740 * tree.c (size_in_bytes): Return size_zero_node, not
10743 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10745 * config/fp-bit.c (pack_d): Correct the case when a denormal
10746 is rounded up and stops being denormal.
10748 2000-03-21 Richard Henderson <rth@cygnus.com>
10750 * config/alpha/alpha.c (function_arg): Check for void_type_node
10751 before using MUST_PASS_IN_STACK.
10753 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10755 * regmove.c (combine_stack_adjustments_for_block): Check that
10756 the stack pointer is a valid memory address.
10758 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10760 * calls.c: re-install Mar 16 emit_library_call merge.
10762 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10764 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10765 we cannot be sure that if reload_completed base register will
10766 be properly aligned.
10768 2000-03-21 Richard Henderson <rth@cygnus.com>
10770 * flow.c (delete_block): Fix typo last change.
10772 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10774 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10775 not COMPLETE_TYPE_P, to check the type of the expression.
10777 2000-03-21 Michael Meissner <meissner@redhat.com>
10779 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10780 all floating point insns that just tested the macro
10781 TARGET_HAS_XFLOATING_LIBS.
10782 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10783 used to only use the gprs.
10785 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10787 * tree.h (COMPLETE_TYPE_P): New macro.
10788 (COMPLETE_OR_VOID_TYPE_P): New macro.
10789 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10790 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10791 * c-aux-info.c (gen_type): Use them.
10792 * c-common.c (c_expand_expr_stmt): Likewise.
10793 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10794 grokdeclarator, grokparms, finish_struct, start_function,
10795 store_parm_decls, combine_parm_decls): Likewise.
10796 * c-parse.y (cast_expr): Likewise.
10797 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10798 c_size_in_bytes, c_alignof, build_component_ref,
10799 build_indirect_ref, build_array_ref, convert_arguments,
10800 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10801 * calls.c (initialize_argument_information): Likewise.
10802 * convert.c (convert_to_integer): Likewise.
10803 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10804 * dwarfout.c (location_or_const_value_attribute,
10805 output_enumeration_type_die, output_structure_type_die,
10806 output_union_type_die, output_type): Likewise.
10807 * expr.c (safe_from_p, expand_expr): Likewise.
10808 * function.c (assign_parms): Likewise.
10809 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10810 * tree.c (build_array_type, build_function_type,
10811 build_method_type, build_offset_type, build_complex_type): Likewise.
10812 * c-parse.c, c-parse.h: Regenerated.
10814 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10816 * config/c4x/rtems.h: Include config/rtems.h.
10818 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10820 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10821 decl is a FUNCTION_DECL
10823 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10825 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10826 function uses output registers. Don't save RP for leaf functions.
10827 Do save RP even if no epilogue.
10828 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10829 (CALL_USED_REGISTERS): Unmark in registers.
10830 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10831 to near the middle.
10833 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10835 * config/rs6000/rs6000.md (bunordered): New expander.
10836 (bordered): New expander.
10837 (buneq): New expander.
10838 (bunge): New expander.
10839 (bungt): New expander.
10840 (bunle): New expander.
10841 (bunlt): New expander.
10842 (bltgt): New expander.
10844 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10845 (ccr_bit_negated_p): New function.
10846 (print_operand): For %C, generate appropriate cror for UNEQ,
10847 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10849 2000-03-20 Andreas Jaeger <aj@suse.de>
10851 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10854 * tree.h (safe_for_unsave): Prototype.
10856 2000-03-20 Richard Henderson <rth@cygnus.com>
10858 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10859 (combine_stack_adjustments_for_block): Don't allow sp references
10860 in the side of a set we're not fixing up.
10861 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10862 after life_analysis.
10864 2000-03-20 Richard Henderson <rth@cygnus.com>
10866 * calls.c (expand_call): Don't bother generating tail call
10867 sequences if there are pending cleanups. Use
10868 expand_start_target_temps/expand_end_target_temps to elide
10869 cleanups created during sibcall expansion.
10871 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10873 * configure.in: Set $IFS to a value if it doesn't already have one
10874 in the --enable-checking handling.
10875 * configure: Regenerate.
10877 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10879 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10880 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10883 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10885 * jump.c (delete_noop_moves): Remove code attempting to
10886 combine stack adjustments.
10888 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10890 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10891 * except.c (emit_cleanup_handler): Use them.
10892 (expand_end_all_catch): Likewise.
10893 * function.c (fixup_var_refs): Likewise.
10894 (expand_function_end): Clear catch_clauses_last.
10895 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10896 * except.h (struct eh_status): New field x_catch_clauses_last.
10897 (catch_clauses_last): New define.
10899 * Makefile.in (tree.o): Depend on HASHTAB_H.
10900 * tree.c: Include hashtab.h.
10901 (struct type_hash): Remove next field.
10902 (TYPE_HASH_SIZE): Remove.
10903 (TYPE_HASH_INITIAL_SIZE): New define.
10904 (type_hash_table): Change type to htab_t.
10905 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10906 mark_hash_entry): New functions.
10907 (init_obstacks): Allocate type hash.
10908 (type_hash_lookup): Use htab functions.
10909 (type_hash_add, mark_type_hash): Likewise.
10910 (dump_tree_statistics): Call print_type_hash_statistics.
10912 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10914 * rs6000/t-aix41: New file.
10916 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10918 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10920 * tm.texi (Driver): Fix typos and tweak entry for
10922 Move misplaced STRUCT_FORCE_BLK entry ...
10923 (Storage Layout): ... to here.
10924 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
10926 2000-03-19 Richard Henderson <rth@cygnus.com>
10928 * flow.c (delete_block): Delete the addr_vec along with the block.
10929 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
10932 * fold-const.c (extract_muldiv): Apply type check for defined
10933 overflow to multiply as well as divide.
10935 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
10937 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10939 * emit-rtl.c (remove_unncessary_notes): Check that all
10940 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
10941 associated NOTE_BLOCK.
10942 * function.h (identify_blocks): Update comments.
10943 (reorder_blocks): Declare.
10944 * function.c (identify_blocks): Don't take paramters.
10945 (reorder_blocks): Don't take parameters.
10946 * loop.h (find_loop_tree_blocks): Remove.
10947 (unroll_block_trees): Likewise.
10948 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
10949 reorder_blocks instead of unroll_block_trees.h
10950 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
10951 * stmt.c (find_loop_tree_blocks): Remove.
10952 (unroll_block_trees): Likewise.
10953 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
10954 in whole-function mode.
10955 * tree.h (reorder_blocks): Remove declaration.
10957 * expr.c: Include intl.h.
10958 * Makefile.in (expr.o): Depend on intl.h.
10960 2000-03-18 Richard Henderson <rth@cygnus.com>
10962 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
10964 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10966 * tree.h (tree_index): Remove enumerals for integer types.
10967 (integer_type_kind): New type.
10968 (integer_types): New variable.
10969 (char_type_node): Adjust.
10970 (signed_char_type_node): Likewise.
10971 (unsigned_char_type_node): Likewise.
10972 (short_integer_type_node): Likewise.
10973 (short_unsigned_type_node): Likewise.
10974 (integer_type_node): Likewise.
10975 (unsigned_type_node): Likewise.
10976 (long_integer_type_node): Likewise.
10977 (long_unsigned_type_node): Likewise.
10978 (long_long_integer_type_node): Likewise.
10979 (long_long_unsigned_type_node): Likewise.
10980 * tree.c (integer_types): New variable.
10981 (init_obstacks): Register it as a root.
10983 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
10985 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
10986 NEXT_INSN. Update last insn in chain.
10988 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
10990 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
10991 with TYPE_DECL_SUPPRESS_DEBUG set.
10993 2000-03-18 Richard Henderson <rth@cygnus.com>
10995 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
10997 2000-03-18 Richard Henderson <rth@cygnus.com>
10999 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11000 care for HALF_PIC_P.
11001 (expander_call_insn_operand): Remove.
11002 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11003 * i386.h (PREDICATE_CODES): Update.
11004 * i386.md (all call expanders): Remove predicates, remove special
11005 handling for half-pic.
11006 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11007 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11008 (sibcall_epilogue): New.
11010 2000-03-17 Richard Henderson <rth@cygnus.com>
11012 * rtlanal.c (single_set): Reject if the parallel has anything
11013 except SET or USE or CLOBBER.
11015 2000-03-17 Jeff Law <law@cygnus.com>
11016 Richard Henderson <rth@cygnus.com>
11018 * Makefile.in (OBJS): Add sibcall.o.
11020 * sibcall.c: New file.
11021 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11022 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11023 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11024 Emit sibcall patterns when requested. Update all callers.
11025 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11026 elimination seems feasable.
11027 * final.c (leaf_function_p): Sibling calls don't discount being
11029 * flow.c (HAVE_sibcall_epilogue): Provide default.
11030 (find_basic_blocks_1): Sibling calls don't throw.
11031 (make_edges): Make edge from sibling call to EXIT.
11032 (propagate_block): Don't remove sibcall_epilogue insns.
11033 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11034 (sibcall_epilogue): New.
11035 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11036 (identify_blocks_1): Likewise. Break out from ...
11037 (identify_blocks): ... here.
11038 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11039 (reorder_blocks): ... here.
11040 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11041 (record_insns): Extend a varray instead of mallocing new memory.
11042 (contains): Read a varray not array of ints.
11043 (sibcall_epilogue_contains): New.
11044 (thread_prologue_and_epilogue_insns): Emit and record
11045 sibcall_epilogue patterns.
11046 (init_function_once): Allocate prologue/epilogue varrays.
11047 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11048 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11049 Broken out from ...
11050 (save_for_inline_nocopy): ... here.
11051 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11052 Broken out from ...
11053 (expand_inline_function): ... here.
11054 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11055 (subst_constants): Handle 'n' formats.
11056 * jump.c (jump_optimize_minimal): New.
11057 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11058 optimizations if it's set.
11059 * rtl.c (copy_rtx): Do copy jump & call for insns.
11060 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11061 (SIBLING_CALL_P): New.
11062 (sibcall_use_t): New.
11063 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11064 Invoke optimize_sibling_and_tail_recursive_calls.
11065 * tree.c (lang_safe_for_unsave): New.
11066 (safe_for_unsave): New.
11067 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11069 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11070 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11071 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11073 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11075 * objc/objc-act.c (encode_method_prototype): Pass types, not
11076 PARM_DECLs, to int_size_in_bytes.
11078 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11080 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11082 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11083 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11085 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11087 * Clean up usages of TREE_INT_CST_LOW.
11088 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11089 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11091 * c-tree.h (min_precision): Move declaration to here.
11092 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11093 (build_unary_op, add_pending_init): Use bit_position.
11094 (pending_init_member, process_init_element): Likewise.
11095 (really_start_incremental_init, push_init_level, pop_init_level):
11096 Don't make copies of nodes or modify them in place, use consistent
11097 types when tracking positions, and use tree routines computations.
11098 (set_init_index, output_init_element): Likewise.
11099 (output_pending_init_elements, process_init_element): Likewise.
11100 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11101 tree_low_cst and int_bit_position; also minor cleanup.
11102 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11103 (print_cst_octal): Precision is unsigned.
11104 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11105 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11106 (simple_type_align_in_bits): Result is unsigned int.
11107 Use tree_int_low_cst and host_integerp.
11108 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11109 (field_byte_offset): Result is HOST_WIDE_INT.
11110 Change types of internal variables so alignments are unsigned int,
11111 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11112 Use host_integerp, tree_low_cst, and int_bit_position.
11113 (add_bit_offset_attribute): Likewise.
11114 (add_data_member_location_attribute): Use tree_cst_low.
11115 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11116 (add_bit_size_attribute): Use tree_low_cst.
11117 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11118 * dwarfout.c: Similar changes to dwarf2out.c.
11119 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11120 * genoutput.c (n_occurences): Return -1 for null string.
11121 (strip_whitespace): Accept null string and make into function.
11122 (scan_operands): Reflect above changes.
11123 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11124 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11125 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11126 * tree.c (int_size_in_bytes): Check for too big to represent.
11127 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11128 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11130 (min_precision): Delete from here.
11131 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11132 and int_bit_position.
11133 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11134 (encode_method_def): Likewise.
11135 (build_ivar_list_initializer): Use int_bit_position.
11136 (generate_shared_structures): Convert size.
11137 (encode_type, encode_complete_bitfield): Use integer_zerop.
11138 (encode_bitfield): Use tree_low_cst and int_bit_position.
11140 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11142 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11144 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11146 * call.c (special_function_p): It is only malloc if it returns
11149 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11151 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11152 (C33_FLAG, TARGET_C3X): Add macros.
11153 (TARGET_SWITCHES): Add -m33 option.
11154 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11156 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11158 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11159 (PARALLEL_PACK_FLAG): Delete.
11160 (TARGET_SWITCHES): Update.
11161 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11163 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11165 * fold-const.c (fold): Fix a few cases when the returned result
11166 is not of the same type as the input.
11168 2000-03-16 Nick Clifton <nickc@cygnus.com>
11170 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11173 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11175 * libgcc2.h: Move prototypes above macros with the same name.
11176 Wrap some function prototypes in the conditional which indicates
11177 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11179 2000-03-16 Richard Henderson <rth@cygnus.com>
11181 * calls.c: Revert last two changes.
11183 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11185 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11186 has exponent 0 is a zero.
11188 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11189 HASH may already be nonzero. Add code/mode into hash value
11190 immediately after repeat label.
11191 (cselib_lookup): Don't leave the hash table in an inconsistent
11192 state before a hash lookup operation.
11194 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11196 * i386.md (all HI and QI mode non-move patterns): Conditionize
11197 by TARGET_[HQ]IMODE_MATH.
11198 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11199 x86_promote_qi_regs): Declare.
11200 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11201 TARGET_PROMOTE_QI_REGS): New macros.
11202 (PROMOTE_MODE): New macro.
11203 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11204 x86_promote_qi_regs): New global variables.
11206 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11208 * calls.c (emit_library_call_value_1): Break out from ...; handle
11209 VOIDmode function calls too.
11210 (emit_library_call_value): ... here.
11211 (emit_library_call): Implement by calling emit_library_call_value_1.
11213 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11215 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11216 Update arg_space_so_far on stack adjustments.
11217 (emit_library_call, emit_library_call_value): Likewise; take into
11218 account arg_space_so_far and pending_stack_adjust when calculcating
11221 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11223 * flow.c: Move all basic block reordering code into its own file.
11224 (create_basic_block): Externalize.
11225 * bb-reorder.c: New file. Copy all basic block reordering code from
11226 flow.c to this file.
11227 (reorder_basic_blocks): Fix fencepost error in for-loop.
11228 (reorder_basic_blocks): Remove braces from single statement for-loops.
11229 * basic-block.h: Add declaration for create_basic_block.
11230 * Makefile.in: Add rules for bb-reorder.o.
11232 2000-03-16 Neil Booth <NeilB@earthling.net>
11234 * cppinit.c (handle_option): Implement #unassert directive
11235 as -A- command line option.
11236 (print_help): Update.
11237 * cpptexi.c: Update.
11239 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11241 * md.texi (Standard Names): Document `jump'.
11243 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11245 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11248 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11250 Merge changes from newppc-branch onto trunk.
11252 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11254 * rs6000.c (toc_hash_table): Update for new hash table functions.
11255 (toc_hash_function): Likewise.
11256 (toc_hash_eq): Likewise.
11257 (toc_hash_mark_entry): Likewise.
11258 (toc_hash_mark_table): Likewise.
11259 (output_toc): Likewise.
11260 (rs6000_add_gc_roots): Likewise.
11262 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11264 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11265 (AR_FLAGS_FOR_TARGET): here. New macro.
11267 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11269 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11270 fpmem_operand) Delete.
11272 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11273 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11274 (rs6000_save_machine_status, rs6000_restore_machine_status,
11275 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11276 references to above variables.
11277 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11278 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11279 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11280 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11281 (XER_REGNO_P, XER_REGNO): New.
11282 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11283 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11284 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11286 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11287 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11288 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11290 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11292 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11293 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11294 * rs6000.h: from here.
11296 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11297 (rs6000_select_rtx_section): Likewise.
11298 (rs6000_encode_section_info): Likewise.
11299 (sdata_section): Likewise.
11300 (sdata2_section): Likewise.
11301 (sbss_section): Likewise.
11302 * sysv4.h (rs6000_select_section): Delete prototype.
11303 (rs6000_select_rtx_section): Likewise.
11304 (rs6000_encode_section_info): Likewise.
11305 (sdata_section): Likewise.
11306 (sdata2_section): Likewise.
11307 (sbss_section): Likewise.
11308 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11310 * sysv4.h: Delete various unnecessary #undef's and put a comment
11311 on the remaining ones.
11312 Change various comments according to coding standard.
11314 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11316 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11317 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11318 (CR0_REGNO_P) Remove.
11319 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11320 setup_incoming_varargs, mtcrf_operation, print_operand,
11321 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11322 Use the above macros.
11324 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11326 * config/rs6000/rs6000.md: Added a new alternative for each
11327 pattern that had a 'x' alternative but no 'y' alternative.
11328 Added a new split for each of the above patterns.
11330 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11332 * aix41.h (ASM_CPU_SPEC): Delete.
11333 (CPP_CPU_SPEC): Delete.
11335 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11336 (ASM_OUTPUT_LABEL): Define.
11337 (ASM_GLOBALIZE_LABEL): Define.
11338 (STRIP_NAME_ENCODING): Define.
11339 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11340 (STRIP_NAME_ENCODING): Don't define.
11341 (ASM_OUTPUT_LABEL): Don't define.
11342 (ASM_GLOBALIZE_LABEL): Don't define.
11343 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11344 names, and ASM_OUTPUT_LABEL to output labels, rather than
11346 (ASM_OUTPUT_LABEL): Define.
11347 (ASM_OUTPUT_INT): Use assemble_name.
11348 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11349 (STRIP_NAME_ENCODING): Don't undefine first.
11350 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11352 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11353 specified with 'asm' even with -fleading-underscore.
11354 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11355 (output_epilog): Likewise.
11356 (output_toc): Likewise.
11357 * tramp.asm: Handle -fleading-underscore correctly.
11359 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11361 (nonlocal_goto_receiver): Delete.
11362 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11364 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11365 (SET_ASM_OP): Define.
11366 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11368 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11369 (ASM_LONG): Define.
11371 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11372 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11374 * rs6000.h: Add 'u' to more constants.
11376 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11378 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11380 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11382 * rs6000.c (reg_or_u_cint_operand): New function.
11383 (logical_operand): Handle 64-bit hosts.
11384 (logical_u_operand): New function.
11385 (non_logical_cint_operand): Handle 64-bit hosts.
11386 (non_logical_u_cint_operand): New function.
11387 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11388 (PREDICATE_CODES): Define new functions.
11389 * rs6000-protos.h: Declare new functions.
11390 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11391 (movdi_64): Bracket code intended for 64-bit hosts. Create
11392 CONST_DOUBLE for 32-bit values.
11393 (scc insns): Generate DImode compares.
11394 (mfcr insns): Create DImode versions.
11395 (sge matchers): New patterns.
11397 2000-02-15 Gabriel Paubert <paubert@iram.es>
11399 * rs6000.md: Correct instructions length attributes and
11400 constraints on unsigned compare instructions.
11401 (*ne0): Disable for PowerPC64.
11403 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11405 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11406 quantity, fix profile1.C test failure under -fPIC.
11408 * rs6000.c: Add 'u' to many constants to suppress warnings.
11409 (constant_pool_expr_1): Make static.
11410 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11411 * rs6000.h: Add 'u' to many constants to suppress warnings.
11413 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11414 for the start of the TOC, instead of LCTOC..0.
11415 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11417 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11418 (load_toc_aix_di): Use LCTOC..1.
11420 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11421 * rs6000.c (rs6000_legitimize_address): New function from
11422 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11423 symbols in the constant pool that really are TOC references.
11424 (print_operand_address): For ELF, write TOC offsets under
11425 -fPIC as subtractions in the insn.
11426 (output_toc): For ELF, define symbols in TOC as normal labels,
11428 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11429 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11430 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11431 * rs6000.md (movsi): Only use create_TOC_reference on
11432 symbols in the constant pool that really are TOC references.
11434 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11435 * rs6000.c (rs6000_reorg): Delete.
11436 * rs6000-protos.h (rs6000_reorg): Delete.
11438 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11440 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11442 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11443 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11444 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11445 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11446 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11447 rs6000_aix_emit_builtin_unwind_init.
11448 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11449 rs6000_emit_eh_toc_restore on AIX.
11450 (return_eh_si): Use r2.
11451 (return_eh_di): Use r2.
11453 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11454 since we're breaking binary compatibility anyway.
11456 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11458 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11459 constant_pool_expr_p): Declare them.
11460 (constant_pool_expr_p): Declare it.
11461 * config/rs6000/rs6000.c (toc_label_name): Define.
11462 (rs6000_override_options): Set toc_label_name.
11463 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11464 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11465 uses_TOC): New functions.
11466 (print_operand): Delete old '*' case.
11467 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11468 and strip off rtl for TOC before calling output_addr_const.
11469 (rs6000_emit_load_toc_table): Use toc_label_name.
11470 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11472 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11473 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11474 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11475 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11476 into explicit TOC_REGISTER offsets.
11477 (TOC_REGISTER): New macro.
11478 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11479 TARGET_TOC to reference TOC_REGISTER.
11480 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11481 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11482 uses_TOC before emitting label references.
11484 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11486 * rs6000.md (stack_tie): Fix warning.
11488 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11489 to handle -fleading-underscore.
11490 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11491 (USER_LABEL_PREFIX): New macro.
11492 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11493 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11494 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11495 call-linux can use the same multilibs.
11496 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11497 and call-linux multilibs. Do multilib with -fleading-underscore.
11498 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11499 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11502 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11503 have MASK_SOFT_FLOAT set.
11504 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11505 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11506 CPP_FLOAT_DEFAULT_SPEC.
11508 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11509 * rs6000.md: Whitespace change.
11510 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11511 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11513 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11515 * rs6000.md (eh_epilogue): New expander.
11516 (eh_reg_restore): New expand/split/insn combination.
11517 (return_eh_si): New insn.
11518 (return_eh_di): New insn.
11520 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11521 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11522 * eabi-ctors.c (__do_global_ctors): Register this object's
11523 frame. Clean up. Call atexit() after the constructors.
11524 (__do_global_dtors): Deregister this object's frame. Clean up.
11525 Allow for recursive calls to exit().
11526 * rs6000.c (fixuplabelno): New variable.
11527 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11528 TARGET_RELOCATABLE, it slows down exec() under linux.
11529 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11531 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11532 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11533 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11534 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11535 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11536 (ASM_OUTPUT_DWARF_ADDR): New macro.
11537 (ASM_OUTPUT_DWARF_DATA4): New macro.
11538 (ASM_OUTPUT_DWARF_DATA2): New macro.
11539 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11540 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11541 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11543 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11545 * rs6000.c (rs6000_sr_alias_set): New variable.
11546 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11547 (rs6000_emit_stack_tie): New function.
11548 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11549 in a way that dwarf2out can understand.
11550 (rs6000_frame_related): New function.
11551 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11552 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11553 Use rs6000_emit_stack_tie when needed.
11554 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11555 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11556 * rs6000.md (stack_tie): New insn.
11557 (return_internal_si): Allow return value to be in the count
11559 (return_internal_di): Likewise.
11561 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11563 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11565 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11567 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11569 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11571 * rs6000.md (stmw): Use the right POWER opcode.
11574 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11576 * rs6000-protos.h: New file.
11578 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11580 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11583 * sysv4.h: Likewise.
11585 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11587 * ../../configure.in: Delete powerpcle-*-winnt*
11588 and powerpcle-*-pe|powerpcle-*-cygwin*.
11589 * ../../configure: Regenerated.
11590 * cygwin.h: Delete.
11591 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11592 (TARGET_WINDOWS_NT): Delete.
11594 (CALL_NT_DLLIMPORT): Delete.
11595 Delete NT-specific code.
11596 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11597 * win-nt.h: Delete.
11599 * nt-ci.asm: Delete.
11600 * nt-cn.asm: Delete.
11601 * ntstack.asm: Delete.
11603 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11605 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11606 (ASM_FILE_START): Likewise.
11607 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11608 (ASM_OUTPUT_LABELREF): Likewise.
11609 (ASM_OUTPUT_SKIP): Likewise.
11610 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11611 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11612 (ASM_OUTPUT_CASE_LABEL): Likewise.
11613 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11614 (ASM_OUTPUT_ASCII): Likewise.
11616 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11618 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11619 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11620 increment rs6000_pic_labelno here.
11621 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11622 and increment rs6000_pic_labelno here.
11624 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11626 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11627 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11628 allocation knows (reg) is dead before the insn.
11630 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11632 * rs6000.md (movsi_to_cr): Correct typo in output template.
11634 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11636 * rs6000.c (rs6000_pic_labelno): Always define.
11637 (rs6000_pic_func_labelno): Delete.
11638 (lmw_operation): Check for a zero base register,
11639 which doesn't mean what we want.
11640 (stmw_operation): New function.
11641 (print_operand): Define new 'l' modifier.
11642 (rs6000_stack_info): We must save all 64 bits of the registers
11643 if TARGET_POWERPC64.
11644 (rs6000_output_load_toc_table): Delete.
11645 (rs6000_emit_load_toc_table): New function.
11646 (rs6000_allocate_stack_space): Delete.
11647 (rs6000_emit_allocate_stack): New function.
11648 (rs6000_emit_prologue): New function.
11649 (output_prolog): Use rs6000_emit_prologue.
11650 (rs6000_emit_epilogue): Change a few variable names to be
11651 more accurate. Restore all 64 bits of the registers if
11652 TARGET_POWERPC64. Only restore the FP registers which were used
11653 if they are being saved/restored one-at-a-time.
11654 (output_mi_thunk): Delete inefficient code generation.
11655 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11656 * rs6000.h: Declare rs6000_emit_load_toc_table,
11657 rs6000_allocate_stack_space, stmw_operation. Don't declare
11658 rs6000_output_load_toc_table.
11659 * rs6000.md (elf_high): Allow register 0, but discourage it
11661 (elf_low): Support loading into register 0.
11662 (load_toc_aix_si): New pattern.
11663 (load_toc_aix_di): New pattern.
11664 (load_toc_v4_pic_si): New pattern.
11665 (load_toc_v4_pic_di): New pattern.
11666 (load_toc_v4_PIC_1): New pattern.
11667 (load_toc_v4_PIC_1b): New pattern.
11668 (load_toc_v4_PIC_2): New pattern.
11669 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11670 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11671 (prologue): New expander.
11672 (movesi_from_cr): New pattern.
11673 (stmw): New pattern.
11674 (save_fpregs_si): New pattern.
11675 (save_fpregs_di): New pattern.
11677 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11679 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11684 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11686 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11688 (movsi_got_internal): Likewise.
11689 (movsi_got_internal+1): Likewise.
11690 (set_sp): 'unspec 7' does a SImode clobber.
11692 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11694 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11695 allocate a stack temporary.
11696 (floatsidf2_internal): Likewise.
11697 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11699 (floatunssidf2): Don't use the fpmem "register", just
11700 allocate a stack temporary.
11701 (floatunssidf2_internal): Likewise.
11702 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11704 (floatsidf2_loadaddr): Delete.
11705 (floatsidf2_store1): Delete.
11706 (floatsidf2_store2): Delete.
11707 (floatsidf2_load): Delete.
11708 (fix_truncdfsi2): Don't use the fpmem "register", just
11709 allocate a stack temporary.
11710 (fix_truncdfsi2_internal_si): Delete.
11711 (fix_truncdfsi2_internal_di): Delete.
11712 (fix_truncdfsi2_internal): New insn.
11713 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11714 (fix_truncdfsi2_store): Delete.
11715 (fix_truncdfsi2_load): Delete.
11716 (fctiwz): Produce gen_fctiwz.
11718 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11720 * eabi.h (INVOKE__main): Define.
11721 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11723 (rs6000_emit_prologue): Likewise.
11724 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11725 this is the main program.
11727 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11729 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11731 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11733 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11734 goes after the argument.
11736 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11738 * rs6000.md: Document 'unspec' values used.
11739 (epilogue): New expander.
11740 (movesi_to_cr_one): New expander.
11741 (movesi_to_cr and following): New pattern.
11742 (lmw): New pattern.
11743 (return_internal_si): New pattern.
11744 (return_internal_di): New pattern.
11745 (return_and_restore_fpregs_si): New pattern.
11746 (return_and_restore_fpregs_di): New pattern.
11747 * rs6000.h: Declare new functions.
11748 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11749 rather than rs6000_calls_p.
11750 (rs6000_makes_calls): Delete.
11751 (lmw_operation): New function.
11752 (mtcrf_operation): New function.
11753 (rs6000_emit_epilogue): New function.
11754 (output_epilog): Call rs6000_emit_epilogue and final if
11755 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11757 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11759 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11760 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11761 * aix.h (SUBTARGET_SWITCHES): Document switches.
11762 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11763 sched-prolog and sched-epilog the same. Document all the
11765 (TARGET_OPTIONS): No longer allow -mdebug-.
11767 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11769 * rs6000.h (ASM_FILE_END): Move to aix.h.
11770 (EXTRA_SECTIONS): Move to aix.h.
11771 (READONLY_DATA_SECTION): Move to aix.h.
11772 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11773 (SELECT_SECTION): Move to aix.h.
11774 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11775 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11776 (LINK_REGISTER_REGNUM): New definition.
11777 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11778 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11780 * sysv4.h: Delete the code between the inclusion of rs6000.h
11782 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11783 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11784 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11785 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11786 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11787 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11788 (fix_truncdfsi2_internal_di): New pattern.
11789 (fix_truncdfsi2_store): The second arg here is Pmode too.
11790 (fix_truncdfsi2_load): The second arg here is Pmode too.
11791 (tablejumpdi): Now that switch tables hold only SImode values,
11792 gcc needs to know how to add them to the pc which is DImode.
11793 * rs6000.c (rs6000_stack_info): Use symbolic name for
11794 LINK_REGISTER_REGNUM.
11795 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11796 (output_toc): Delete unused variables s1 and s2.
11797 (output_ascii): Use fputs not fprintf on a variable string.
11799 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11801 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11802 * aix43.h: Revert Aug 2 change.
11803 (HAS_INIT_SECTION): Define, not visible yet.
11804 (LD_INIT_SWITCH): Define, not visible yet.
11805 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11807 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11809 * config/rs6000/rtems.h: Include config/rtems.h.
11811 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11813 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11814 (SLOW_UNALIGNED_ACCESS): Define.
11815 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11816 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11817 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11818 (toc_section): Likewise and .toc pseudo-op.
11819 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11821 (TEXT_SECTION_ASM_OP): Likewise.
11822 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11825 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11827 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11828 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11831 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11833 * rs6000.h: Move more stuff from here...
11835 * sysv4.h: Cleanup accordingly.
11836 * netware.h: Likewise
11838 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11840 * rs6000.h: Continue cleanup.
11842 * lynx.h: Likewise.
11843 * netware.h: Likewise.
11844 * sol2.h: Likewise.
11845 * sysv4.h: Likewise.
11846 * win-nt.h: Likewise.
11848 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11849 (TARGET_OPTIONS): Likewise.
11851 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11852 (SUBTARGET_OPTIONS): Likewise.
11854 * rs6000.md: Fix compile time warnings.
11856 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11858 vxworks patches from the Cygnus tree originally by
11859 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11860 <vmakarov@cygnus.com>.
11861 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11862 (ENDFILE_SPEC): Likewise.
11863 (LIB_VXWORKS_SPEC): New macro.
11864 (STARTFILE_VXWORKS_SPEC): New macro.
11865 (ENDFILE_VXWORKS_SPEC): New macro.
11866 (LINK_START_VXWORKS_SPEC): New macro.
11867 (LINK_OS_VXWORKS_SPEC): New macro.
11868 (CPP_OS_VXWORKS_SPEC): New macro.
11869 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11870 * vxppc.h: Rewrite to use proper configuration method.
11871 * vxppcle.h: New file.
11872 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11873 * ../../configure: Rebuilt.
11875 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11877 Lots of changes to rs6000.h, sysv4.h, aix.h,
11878 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11879 with the aim that rs6000.h is the first header
11880 included and the others override it.
11883 * x-aix41-gld: Remove.
11885 * x-aix41: Remove target-specific switches, and don't specify
11886 -Wl,-bbigtoc as we don't need it any more.
11887 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11888 Use t-aix43 for AIX 4.3 and above.
11889 * ../../configure: Regenerated.
11891 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11892 options, that don't do anything yet.
11893 (MASK_SCHED_PROLOG): New macro.
11894 (MASK_SCHED_EPILOG): New macro.
11895 (TARGET_SCHED_PROLOG): New macro.
11896 (TARGET_SCHED_EPILOG): New macro.
11898 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11900 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11901 one per translation unit, not one per function.
11902 (output_toc): Also do duplicate constant elimination
11903 for per-translation-unit TOCs.
11905 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11906 a comment explaining _exactly_ when this pattern gets used.
11907 (builtin_setjmp_receiver): New pattern for better clarity.
11908 (init_v4_pic): Move it into a section dealing with TOC registers.
11910 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11912 * rs6000.c (toc_hash_table): New variable.
11913 (rs6000_hash_constant): New function.
11914 (toc_hash_function): New function.
11915 (toc_hash_eq): New function.
11916 (toc_hash_mark_entry): New function.
11917 (toc_hash_mark_table): New function.
11918 (output_toc): Don't output duplicate TOC entries in
11920 (rs6000_add_gc_roots): Add the hash table as a GC root.
11921 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
11922 where they clearly shouldn't be. This may need to be fixed
11923 later when there is a GNU ar for AIX.
11924 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
11925 Don't define BOOT_LDFLAGS as it is now not necessary.
11927 1999-12-29 Geoff Keating <geoffk@cygnus.com>
11929 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
11930 for va_list on AIX. Use unsigned_char_type_node rather than
11931 constructing our own version on svr4.
11933 1999-12-17 Geoff Keating <geoffk@cygnus.com>
11935 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
11936 since patently it's not.
11938 1999-12-08 Geoff Keating <geoffk@cygnus.com>
11940 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
11941 define_expand/define_insn pair, and handle restore of the
11942 SVR4 -fpic register.
11944 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
11946 * acconfig.h (HAVE_GAS_WEAK): New define.
11947 * configure.in (assembler weak support): Check for .weak support.
11948 * config.in, configure: Rebuilt.
11949 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
11950 HAVE_GAS_WEAK is defined.
11952 2000-03-15 Nick Clifton <nickc@cygnus.com>
11954 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
11957 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
11959 * cppfiles.c (open_include_file): New function.
11960 (find_include_file, cpp_read_file): Use it.
11962 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11964 * cpphash.c (dump_hash_helper): Take the slot, not the element.
11966 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
11968 * flow.c (verify_flow_info): Check for unconditional return.
11970 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
11972 * config/ia64/ia64.md (restore_stack_nonlocal): New.
11973 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
11974 (__ia64_restore_stack_nonlocal): New.
11975 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
11977 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11979 * cpphash.c (collect_formal_parameters): Do not complain about
11980 parameter names that just start with `__VA_ARGS__'.
11982 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
11984 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
11985 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
11986 * i386.c (pentiumpro_cost): Set mul cost to 4.
11987 (x86_use_movx): Set for PPro.
11989 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
11991 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
11992 STACK_BOUNDARY for empty frames now.
11994 2000-03-14 Mark Mitchell <mark@codesourcery.com>
11996 * stor-layout.c (layout_union): Remove.
11997 (layout_union_field): New function, split out from layout_union.
11998 (finish_union_layout): Likewise.
11999 (layout_field): Handle unions by calling layout_union_field.
12000 (finish_record_layout): Handle unions.
12001 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12002 QUAL_UNION_TYPE handling.
12004 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12006 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12007 end of basic block is jump_insn, not barrier; use create_basic_block
12008 instead of creating basic block by hand.
12010 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12012 * flow.c (reorder_basic_blocks): Account for barriers when writing
12013 over NEXT_INSN (last_bb->end).
12014 (verify_flow_info): Add check for missing barriers.
12016 2000-03-14 Greg McGary <gkm@gnu.org>
12018 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12019 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12020 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12021 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12022 __unbounded, __unbounded__): New keywords.
12023 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12024 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12025 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12027 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12029 * cselib.h: New file.
12030 * alias.c: Include "cselib.h".
12031 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12032 MEMs as two new arguments.
12033 (get_addr): New static function.
12034 (find_base_term): Handle VALUEs.
12035 (memrefs_conflict_p): Likewise.
12036 (true_dependence): Call get_addr on the addresses.
12037 Call fixed_scalar_and_varying_struct_p with addresses that have been
12038 passed through get_addr and canon_rtx.
12039 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12040 with true_dependence.
12041 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12042 * loop.c: Include "cselib.h".
12043 (load_mems): Process extended basic block that enters the loop with
12044 cselib. Use that information to change initialization of the shadow
12045 register so that a constant equivalence is seen by later passes.
12046 * reload1.c: Include "cselib.h".
12047 (reload_cse_invalidate_regno): Delete function.
12048 (reload_cse_mem_conflict_p): Likewise.
12049 (reload_cse_invalidate_mem): Likewise.
12050 (reload_cse_invalidate_rtx): Likewise.
12051 (reload_cse_regno_equal_p): Likewise.
12052 (reload_cse_check_clobber): Likewise.
12053 (reload_cse_record_set): Likewise.
12054 (reg_values): Delete static variable.
12055 (invalidate_regno_rtx): Likewise.
12056 (reload_cse_delete_noop_set): New static function.
12057 (reload_cse_simplify): New static function, broken out of
12059 (reload_cse_noop_set_p): Delete unused argument INSN.
12060 Just call rtx_equal_for_cselib_p on set source and destination.
12061 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12062 reload_cse_delete_noop_set. Delete code to keep track of values; use
12063 cselib functions instead. Delete code to push/pop obstacks.
12064 (reload_cse_simplify_set): Use cselib to find equivalent values.
12065 Delete code to push/pop obstacks.
12066 (reload_cse_simplify_operands): Likewise.
12067 * rtl.def (VALUE): New rtx code.
12068 * rtl.h (union rtunion_def): New elt rt_cselib.
12069 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12070 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12071 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12072 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12073 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12074 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12075 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12076 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12077 cselib_record_set, cselib_record_sets): New static functions.
12078 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12079 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12080 references_value_p): New functions.
12081 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12082 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12083 n_useless_values, reg_values, callmem, cselib_obstack,
12084 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12085 New static variables.
12086 * varray.h (union varray_data_tag): New elt te.
12087 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12088 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12091 2000-03-14 Nick Clifton <nickc@cygnus.com>
12093 * gcc.c (do_spec_1): Catch the case where %* is used in a
12094 substitution pattern, but it has not been initialised.
12095 Issue a meaningful error message if an unrecognised operator
12096 is encountered in a spec string.
12098 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12100 * function.c (prepare_function_start): Correctly initialize
12101 cfun->stack_alignment_needed.
12103 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12105 * cppfiles.c (find_include_file): Don't assume nshort is a
12108 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12110 * configure.in (hppa configurations): Add pa32-regs.h to the
12111 list of tm files as appropriate.
12112 * configure: Rebuilt.
12113 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12114 register numbering.
12115 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12116 (fmpyaddoperands, fmpysuboperands): Likewise.
12117 * pa.h: Remove various definitions which depend on knowing
12118 how registers are numbered.
12119 * pa32-regs.h: New file with PA32 register numbering specific
12122 2000-03-14 Richard Henderson <rth@cygnus.com>
12124 * regmove.c (combine_stack_adjustments): New.
12125 (stack_memref_p, single_set_for_csa): New.
12126 (free_csa_memlist, record_one_stack_memref): New.
12127 (try_apply_stack_adjustment): New.
12128 (combine_stack_adjustments_for_block): New.
12129 * rtl.h (combine_stack_adjustments): Declare.
12130 * toplev.c (rest_of_compilation): Call it.
12132 * i386.md: Revert 2000-01-16 change.
12134 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12136 * gccbug.in: Add web category, gcc specific classes.
12138 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12140 * stor-layout.c (finalize_record_size): Fix typo.
12142 2000-03-14 Stan Shebs <shebs@apple.com>
12144 * c-typeck.c (c_alignof): Error on incomplete types.
12145 * extend.texi (Alignment): Document this.
12147 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12149 * cppfiles.c: Include mkdeps.h.
12150 (find_include_file, read_include_file): Remove _cpp_ prefix
12151 from name, make static.
12152 (_cpp_execute_include): New function, broken out of
12155 * cpplib.c: Don't include mkdeps.h.
12156 (struct directive): Remove type field. Reorder entries. The
12157 function takes only one argument.
12158 (struct if_stack): Make type field an int.
12159 (directive_table): Rename to dtable. Generate it, the
12160 prototypes of the directive handlers, and the enum for the
12161 directive numbers, from a template macro.
12162 (do_ifndef, do_include_next, do_import): New functions.
12163 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12164 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12165 do_ident, do_assert, do_unassert, do_sccs): Take only one
12167 (do_sccs): Define always, but alter behavior based on
12169 (_cpp_handle_directive, consider_directive_while_skipping):
12170 Restructure for new directive table layout.
12172 (pass_thru_directive): Take a directive number, not a pointer
12173 to a struct directive.
12174 (parse_include): New function, broken out of do_include.
12175 (do_include, do_import, do_include_next): Use parse_include
12176 and _cpp_execute_include.
12177 (do_elif, do_else): Test for T_ELSE specifically when checking
12178 for #elif/#else after #else.
12179 (parse_ifdef): New function, broken out of do_ifdef.
12180 (validate_else): Expect a name arg without a leading #.
12181 (if_directive_name): Delete.
12182 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12183 directive handlers with only one argument.
12185 * cpphash.h: Update prototypes.
12186 (enum node_type): Remove entries for directives.
12187 * Makefile.in: Update dependencies.
12189 * cpphash.c (dump_hash_helper): Only dump nodes of type
12190 T_MACRO. Emit a newline after each definition.
12192 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12194 * gccbug.in: New file.
12195 * configure.in (all_outputs): Add gccbug.
12196 * Makefile.in (install-common): Install gccbug.
12197 (GCCBUG_INSTALL_NAME): New variable.
12198 * configure: Rebuilt.
12200 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12202 * function.c (put_var_into_stack): Use type_for_mode to calculate
12203 part_type. Use MEM_SET_IN_STRUCT_P.
12204 * expr.c (store_field): Handle CONCAT.
12205 (store_constructor): Use fields_length.
12206 * tree.c (fields_length): New fn.
12207 * tree.h: Declare it.
12209 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12211 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12212 (cpplex.o): New target.
12213 * po/POTFILES.in: Add cpplex.c.
12215 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12216 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12217 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12218 skip_block_comment, skip_line_comment, skip_comment,
12219 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12220 _cpp_parse_name, skip_string, parse_string,
12221 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12222 _cpp_get_directive_token, find_position,
12223 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12224 (maybe_macroexpand, _cpp_lex_token): New functions.
12226 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12227 parse_goto_mark): Delete.
12228 (_cpp_handle_eof): New function.
12229 (_cpp_handle_directive): Rename from handle_directive.
12230 (_cpp_output_line_command): Rename from output_line_command.
12231 (do_if, do_elif): Call _cpp_parse_expr directly.
12232 * cppfiles.c (_cpp_read_include_file): Don't call
12233 init_input_buffer here.
12234 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12235 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12236 here; pop the token_buffer and skip the rest of the line here.
12237 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12240 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12242 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12243 CPP_GOTO_MARK): New macros.
12244 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12245 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12246 _cpp_read_and_prescan, _cpp_init_input_buffer,
12247 _cpp_grow_token_buffer, _cpp_get_directive_token,
12248 _cpp_handle_directive, _cpp_handle_eof,
12249 _cpp_output_line_command): Prototype them here.
12250 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12251 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12252 quote_string, output_line_command): Remove.
12254 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12256 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12257 whether it is too large we must also verify that it isn't negative.
12259 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12261 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12262 (movsi_zero_liveg0): Remove.
12263 (movsf_insn_novis_liveg0): Remove.
12265 (negsi2_not_liveg0): Rename to negsi2.
12266 (one_cmplsi2): Remove.
12267 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12268 (one_cmplsi2_liveg0): Remove.
12269 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12270 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12271 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12272 (PREDICATE_CODES): Remove zero_operand.
12273 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12274 TARGET_BROKEN_SAVERESTORE.
12275 (zero_operand): Remove.
12276 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12277 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12279 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12280 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12281 TARGET_BROKEN_SAVERESTORE): Remove.
12282 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12284 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12286 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12289 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12291 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12293 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12294 truncating a string. Don't assume tokens are nul terminated.
12295 Problem noted by Andreas Jaeger <aj@suse.de>
12297 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12299 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12300 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12301 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12303 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12305 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12306 STRUCTURE_SIZE_BOUNDARY.
12308 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12310 * tree.h (record_layout_info_s): New structure.
12311 (record_layout_info): New type.
12312 (new_record_layout_info): New function.
12313 (layout_field): Likewise.
12314 (finish_record_layout): Likewise.
12315 * stor-layout.c (layout_record): Remove.
12316 (new_record_layout_info): New function.
12317 (layout_field): New function, broken out from layout_record.
12318 (finalize_record_size): Likewise.
12319 (compute_record_mode): Likewise.
12320 (finalize_type_size): New function, broken out from layout_type.
12321 (finish_record_layout): Likewise.
12322 (layout_type): Use them.
12324 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12326 * cpphash.c: Don't include version.h.
12327 (special_symbol) [case T_VERSION]: Look for the string in
12328 hp->value.cpval; don't use version_string.
12329 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12330 __VERSION__ to version_string.
12331 * Makefile.in (cpphash.o): Update deps.
12333 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12335 Convert cpplib to use libiberty/hashtab.c.
12337 * cpplib.h (struct cpp_reader): Make hashtab and
12338 all_include_files of type 'struct htab *'. Delete HASHSIZE
12339 and ALL_INCLUDE_HASHSIZE macros.
12341 * cpphash.h: Update prototypes.
12342 (struct hashnode): Remove next, prev, and bucket_hdr members.
12343 Make length a size_t. Add hash member.
12344 (struct ihash): Remove next member. Add hash member. Make
12345 name a flexible array member.
12347 * cppfiles.c: Include hashtab.h.
12348 (include_hash): Delete.
12349 (IHASHSIZE): New macro.
12350 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12351 (cpp_included): Do the hash lookup here.
12352 (_cpp_find_include_file): Rewrite.
12353 (cpp_read_file): Put the "fake" hash entry into the hash
12354 table. Honor the control_macro, if it turns out we've seen
12355 the file before. Don't push the buffer here.
12356 (_cpp_read_include_file): Push the buffer here.
12357 (OMODES): New macro. Use it whenever we call open(2).
12359 * cpphash.c: Include hashtab.h.
12360 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12361 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12362 _cpp_lookup_slot): New functions.
12363 (HASHSIZE): new macro.
12364 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12365 (_cpp_lookup): Use hashtab.h routines.
12367 * cppinit.c: Include hashtab.h.
12368 (cpp_reader_init): Call _cpp_init_macro_hash and
12369 _cpp_init_include_hash. Don't allocate hashtab directly.
12370 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12371 pfile->all_include_files.
12372 (initialize_builtins): Use _cpp_make_hashnode and
12373 htab_find_slot to add hash entries.
12374 (cpp_finish): Just call _cpp_dump_macro_hash.
12375 * cpplib.c: Include hashtab.h.
12376 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12377 create hash entries.
12378 (do_pragma_poison, do_assert): Likewise.
12379 (do_include): Don't push the buffer here. Don't increment
12380 system_include_depth unless _cpp_read_include_file succeeds.
12381 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12382 or htab_remove_elt.
12383 (do_pragma_implementation): Use alloca to create copy.
12385 * Makefile.in: Update dependencies.
12387 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12389 * cppinit.c (cl_directive_handler): More K&R fixing.
12391 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12393 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12395 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12397 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12399 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12400 Change from char[] to macros.
12402 2000-03-12 Neil Booth <NeilB@earthling.net>
12404 * cppinit.c (cpp_start_read): Update indirect function
12407 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12409 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12412 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12413 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12415 2000-03-11 Neil Booth <NeilB@earthling.net>
12417 * cppinit.c (struct pending option): Replace undef with a
12418 pointer to a directive handling routine.
12419 (struct cpp_pending): Replace separate assert_ and define_
12420 lists with one directive_ list.
12421 (new_pending_define): Rename new_pending_directive. Extra
12422 argument is the directive's handling routine.
12423 (handle_option): Update to use new_pending_directive.
12425 2000-03-11 Neil Booth <NeilB@earthling.net>
12427 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12428 remap_filename, _cpp_read_include_file, actual_directory,
12429 hack_vms_include_specification): Replace bcopy(), index() etc
12430 calls. Add casts to some allocations. Make some variables
12431 pointers to const [unsigned] char.
12432 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12433 collect_formal_parameters): Similarly.
12434 * cppinit.c (struct pending_option, append_include_chain,
12435 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12436 cpp_start_read, new_pending_define, handle_option): Similarly.
12437 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12438 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12439 do_pragma_implementation, detect_if_not_defined,
12440 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12441 do_assert, do_unassert): Similarly.
12442 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12443 function prototypes.
12444 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12446 2000-03-10 Richard Henderson <rth@cygnus.com>
12448 * builtins.c (expand_builtin_strlen): Revert last change.
12449 Use emit_insn_before if we're at the beginning of a sequence.
12451 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12453 * builtins.c (expand_builtin_strlen): Make sure that we have something
12454 at the beginning of the sequence.
12456 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12459 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12461 2000-03-10 Richard Henderson <rth@cygnus.com>
12463 * except.c (can_throw): Use INTVAL on a CONST_INT.
12464 (reachable_handlers): Likewise.
12465 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12467 2000-03-10 Andreas Jaeger <aj@suse.de>
12469 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12470 MD_STARTFILE_PREFIX since those are not needed on linux.
12471 (ASM_FILE_START): New, from mips/gnu.h.
12473 2000-03-09 Richard Henderson <rth@cygnus.com>
12474 Alex Samuel <samuel@codesourcery.com> and others
12476 * Makefile.in (ssa.o): New rule.
12478 (STAGESTUFF): Add *.ssa and *.ussa.
12479 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12480 * rtl.def (PHI): New RTL expression.
12481 * rtl.h (clear_log_links): New declaration.
12482 (convert_to_ssa): Likewise.
12483 (convert_from_ssa): Likewise.
12484 * flow.c (split_edge): If the entry node falls through to the
12485 split edge's source block, split the entry edge.
12486 (clear_log_links): New function.
12487 * toplev.c (ssa_dump): New variable.
12488 (flag_ssa): Likewise.
12489 (f_options): Add "ssa".
12490 (compile_file): Create SSA dump files.
12491 (rest_of_compilation): Go to and from SSA if enabled.
12492 (decide_d_option): Handle -de for SSA dump files.
12495 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12497 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12500 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12502 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12504 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12506 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12507 (MD_STARTFILE_PREFIX_1): New macro.
12509 2000-03-09 Robert Lipe <robertl@sco.com>
12511 * config/ia64/ia64.c: Include system.h.
12513 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12515 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12516 (init_eh_nesting_info): Likewise.
12518 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12519 (TREE_NOTHROW): Rename from TREE_RAISES.
12520 * toplev.c (rest_of_compilation): Set it.
12521 * print-tree.c (print_node): Adjust.
12522 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12523 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12524 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12525 REG_EH_REGION note as appropriate.
12526 (libfunc_nothrow): New fn.
12527 (emit_library_call, emit_library_call_value): Use it.
12528 (expand_call): Check TREE_NOTHROW.
12530 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12531 DECL_ASSEMBLER_NAME.
12533 2000-03-09 Andreas Jaeger <aj@suse.de>
12535 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12536 (TARGET_MEM_FUNCTIONS): Define.
12538 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12540 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12542 * except.c (can_throw): See through a SEQUENCE.
12543 (nothrow_function_p): New fn.
12544 * except.h: Declare it.
12545 * function.c (current_function_nothrow): New var.
12546 (prepare_function_start): Initialize it.
12547 * output.h: Declare it.
12548 * toplev.c (rest_of_compilation): Set it.
12549 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12551 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12553 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12554 match. (cpp_compare_defs): Count the nul separator when
12555 advancing over argument names.
12557 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12559 * recog.c (preprocess_constraints): Matching constraints affect
12560 same alternative/different operand, not same operand/different
12563 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12564 register and a constant specially.
12566 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12568 * libgcc2.h: New file.
12569 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12571 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12573 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12574 * configure: Regenerate.
12575 * config/ia64: New.
12577 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12579 * Makefile.in (LIBCPP_DEPS): New macro.
12580 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12581 it to declare deps.
12582 * cpperror.c: Include cpphash.h.
12583 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12585 (lex): Don't use CPP_WARN_UNDEF.
12586 (_cpp_parse_expr): Return an int, the truth value.
12587 * cppfiles.c: Include cpphash.h.
12588 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12589 * cppinit.c (include_defaults_array): Disentangle.
12590 (cpp_cleanup): Don't free the if stack here.
12591 (cpp_finish): Pop off all buffers, not just one.
12592 * cpplib.c (eval_if_expr): Return int.
12593 (do_xifdef): Rename do_ifdef.
12594 (handle_directive): Don't use CPP_PREPROCESSED.
12595 (cpp_get_token): Don't use CPP_C89.
12596 * fix-header.c: Don't use CPP_OPTIONS.
12598 * cpplib.h: Move U_CHAR, enum node_type, struct
12599 file_name_list, struct ihash, is_idchar, is_idstart,
12600 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12601 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12602 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12603 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12604 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12605 of _cpp_simplify_pathname, _cpp_find_include_file,
12606 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12607 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12609 Change all uses of U_CHAR to be unsigned char instead.
12610 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12612 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12614 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12615 (dwarf2out_begin_prologue): Set it.
12616 (output_call_frame_info): Don't emit EH unwind info for leaves.
12618 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12619 can occur outside of an EH region.
12620 * except.c: Correct comments about rethrow behavior.
12621 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12623 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12625 * flow.c (make_edges): Always call make_eh_edge for calls.
12627 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12629 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12630 (struct cpp_buffer): Remove fname and underflow fields.
12631 (struct cpp_reader): Remove get_token field.
12632 (struct include_hash): Rename to struct ihash. Add typedef to
12634 (struct if_stack): Remove fname field.
12635 (IF_STACK_FRAME): Rename to IF_STACK.
12637 * cpperror.c (print_containing_files): Trust that there are no
12638 macro buffers below the top file buffer.
12639 * cppfiles.c: Replace all references to 'struct include_hash'
12640 with 'IHASH'. Rename initialize_input_buffer to
12641 init_input_buffer. Don't set or reference cpp_buffer->fname,
12642 use buffer->ihash->name instead.
12643 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12644 not CPP_NULL_BUFFER.
12645 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12646 IF_STACK_FRAME, IHASH not struct include_hash.
12647 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12648 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12649 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12650 references to cpp_buffer->fname (delete entirely, or use
12651 ->ihash->name instead) and IF_STACK->fname.
12652 (cpp_push_buffer): Don't set new->underflow.
12653 (do_include): Use cpp_file_buffer.
12655 * cpphash.c (collect_formal_parameters): Remove duplicate
12656 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12657 used as a macro argument name. Don't append "..." to namebuf
12658 for varargs macros. After we're done scanning, go through
12659 namebuf and make it NUL separated, not comma separated.
12660 (_cpp_compare_defs): Remove register tag from variables.
12661 Expect defn->argnames to be NUL separated.
12662 (_cpp_dump_definition): Expect defn->argnames to be NUL
12663 separated and in forward order.
12664 * cpphash.h: Update documentation of argnames field.
12666 2000-03-08 Richard Henderson <rth@cygnus.com>
12668 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12669 to fail. Don't pre-expand the source operand.
12671 * i386.md (strlensi): Initialize eoschar and align before use.
12673 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12675 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12676 CONSTRUCTOR element.
12678 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12680 * mips.c (mips_expand_prologue): If the last
12681 named argument is the vararg marker "va_list", treat it as
12682 an unnamed argument.
12684 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12686 * dbxout.c (dbxout_parms): When correcting for promoted
12687 big-endian parameters, use the mode of the DECL_RTL rather
12688 than UNITS_PER_WORD.
12690 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12692 * c-common.h (make_fname_decl): Declare.
12693 * c-common.c (make_fname_decl): Define.
12694 (declare_hidden_char_array): Remove.
12695 (declare_function_name): Use make_fname_decl.
12696 * c-decl.c (c_make_fname_decl): New function.
12697 (init_decl_processing): Set make_fname_decl.
12699 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12701 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12703 2000-03-07 Philipp Thomas <pthomas@suse.de>
12705 * po/POTFILES.in: Remove cppalloc.c from file list.
12707 2000-03-07 Steve Chamberlain <sac@pobox.com>
12709 * pj.c (pj_expand_prologue): current_function->args_info is
12710 now current_function_args_info.
12712 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12713 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12714 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12716 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12718 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12719 output as hexadecimal rather than the default octal.
12721 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12723 * cpphash.c (special_symbol): Fix thinko in previous commit.
12725 2000-03-07 Neil Booth <NeilB@earthling.net>
12727 * cppexp.c (struct operation, left_shift, right_shift,
12728 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12729 "int"s to "unsigned int"s.
12730 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12732 * cpplib.h: Update for above.
12733 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12734 returned from allocations.
12736 * cppinit.c (opt_comp, parse_options): New functions.
12737 (handle_option): Use parse_option to parse a single command
12738 line option, that possibly takes an argument.
12739 (cpp_handle_options): Sort the array of command line options on
12740 first invocation (non-ASCII hosts only).
12741 (print_help): Update.
12743 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12745 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12746 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12748 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12750 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12752 * cpperror.c (cpp_print_containing_files,
12753 cpp_print_file_and_line, v_cpp_message): Rename to
12754 print_containing_files, print_file_and_line, and v_message.
12755 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12756 to _cpp_parse_expr, parse_escape, and lex.
12757 (parse_charconst): Remove broken multibyte support.
12758 * cppfiles.c (include_hash): Make static.
12759 (cpp_included): New function.
12760 (merge_include_chains, find_include_file, finclude,
12761 simplify_pathname): Rename to _cpp_merge_include_chains,
12762 _cpp_find_include_file, _cpp_read_include_file, and
12763 _cpp_simplify_pathname.
12764 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12765 cpp_install, create_definition, macroexpand, compare_defs,
12766 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12767 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12768 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12769 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12771 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12773 * cpphash.h: Update prototypes.
12774 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12776 2000-03-07 Andrew Haley <aph@cygnus.com>
12778 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12779 PTRDIFF_TYPE should be based solely on Pmode.
12780 (SIZE_TYPE): ditto.
12782 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12784 * rtl.h (rtunion_def): Constify member `rtstr'.
12785 (emit_line_note_after, emit_line_note, emit_line_note_force,
12786 emit_note, decode_asm_operands): Constify.
12788 * cse.c (canon_hash): Likewise.
12790 * dbxout.c (dbxout_block): Likewise.
12792 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12793 v_warning_for_asm): Likewise.
12795 * dwarfout.c (function_start_label): Likewise.
12797 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12798 emit_line_note_force): Likewise.
12800 * final.c (last_filename, asm_insn_count, final_scan_insn,
12801 output_source_line): Likewise.
12803 * function.h (struct emit_status): Likewise.
12805 * gcse.c (hash_expr_1): Likewise.
12807 * genattr.c (gen_attr, main): Likewise.
12809 * genattrtab.c (struct function_unit, current_alternative_string,
12810 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12811 attr_numeral, check_attr_test, check_attr_value,
12812 convert_set_attr_alternative, convert_set_attr,
12813 compute_alternative_mask, simplify_by_exploding, gen_attr,
12814 gen_unit): Likewise.
12816 * genflags.c (gen_insn): Likewise.
12818 * gengenrtl.c (type_from_format): Likewise.
12820 * genopinit.c (gen_insn): Likewise.
12822 * genoutput.c (n_occurrences, process_template, process_template):
12825 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12828 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12831 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12832 ggc_set_mark, ggc_get_size): Likewise.
12834 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12836 * optabs.c (init_one_libfunc): Likewise.
12838 * output.h (assemble_start_function): Likewise.
12840 * recog.c (decode_asm_operands): Likewise.
12842 * toplev.c (rest_of_compilation): Likewise.
12844 * tree.h (emit_line_note_after, emit_line_note,
12845 emit_line_note_force): Likewise.
12847 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12848 asm_emit_uninitialised, assemble_start_function,
12849 assemble_variable, const_hash, compare_constant_1,
12850 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12852 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12854 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12856 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12858 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12860 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12861 arm_dllimport_name_p): Likewise.
12863 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12866 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12868 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12870 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12871 arm_mark_dllexport, arm_mark_dllimport,
12872 arm_pe_encode_section_info): Likewise.
12874 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12875 ASM_FINISH_DECLARE_OBJECT): Likewise.
12877 * arm/thumb.c (thumb_function_prologue): Likewise.
12879 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12881 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12883 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12885 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12887 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12889 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12891 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12892 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12894 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12896 * i386/i386.c (asm_output_function_prefix): Likewise.
12898 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12900 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12902 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12904 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12905 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12906 ASM_OUTPUT_SECTION_NAME): Likewise.
12908 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12910 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12912 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12914 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12916 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12918 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12920 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12922 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12924 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12926 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
12928 * mips/mips.md (movdi, movsi): Likewise.
12930 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12932 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12934 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12936 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
12937 ASM_OUTPUT_ASCII): Likewise.
12939 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
12940 output_mi_thunk, output_toc): Likewise.
12942 * rs6000/rs6000.md (movsi): Likewise.
12944 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
12946 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
12948 * v850/v850.c (print_operand, print_operand_address,
12949 v850_encode_data_area): Likewise.
12951 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
12953 * config/mips/mips.md (zero_extendsidi2): Always force operand
12954 one to memory for mips16.
12956 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12958 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
12959 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
12960 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
12961 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
12962 (min_precision): Result is unsigned.
12963 (add_double, neg_double, mul_double): Low word is unsigned.
12964 (lshift_double, rshift_double, lrotate_double): Likewise.
12965 (rrotate_double, div_and_round_double): Likewise.
12966 (tree_floor_log2, compare_tree_int): New functions.
12967 (preserve_rtl_expr_temps): New declaration.
12968 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
12969 (decl_attributes): Use tree_log2 to find alignment.
12970 Check for TREE_INT_CST_HIGH for format args.
12971 (min_precision): Now unsigned.
12972 Use tree_floor_log2.
12973 (truthvalue_conversion): Delete long-disabled code.
12974 * c-decl.c (finish_struct): Clean up tests on field width.
12975 (finish_function): Use compare_tree_int.
12976 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
12977 * c-typeck.c (comptypes): Use tree_int_cst_equal.
12978 (default_conversion, digest_init): Use compare_tree_int.
12979 (build_binary_op): Use integer_all_onesp and compare_tree_int.
12980 Fix type errors in forming masks.
12981 * calls.c (initialize_argument_information): Use compare_tree_int.
12982 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12983 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
12984 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
12985 (store_field): Use compare_tree_int.
12986 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
12987 (expand_expr, case ARRAY_REF): Use compare_tree_int.
12988 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
12989 (do_store_flag): Use compare_tree_int.
12990 * fold-const.c (encode, decode): Low part is always unsigned.
12991 (force_fit_type, add_double, neg_double, mul_double): Likewise.
12992 (lshift_double, rshift_double, lrotate_double): Likewise.
12993 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
12994 (fold_convert): Use compare_tree_int.
12995 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
12996 (invert_truthvalue, case INTEGER_CST): Likewise.
12997 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
12998 * mkdeps.c (deps_dummy_targets): Make I unsigned.
12999 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13000 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13002 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13003 (expand_end_case): Use compare_tree_int.
13004 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13005 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13006 (layout_decl): Likewise.
13007 (layout_record, layout_union): Make sizes unsigned.
13008 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13009 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13010 * tree.c (struct type_hash): hashcode is unsigned.
13011 (build_type_attribute_variant, type_hash_list): Likewise.
13012 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13013 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13014 (build_complex_type): Likewise.
13015 (real_value_from_int_cst): Remove unneeded casts.
13016 (integer_all_onesp): Add casts.
13017 (tree_floor_log2, compare_tree_int): New functions.
13018 (build_index_type): Use tree_int_cst_sgn.
13019 * varasm.c (assemble_variable): Use compare_tree_int.
13021 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13023 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13025 * varasm.c (make_decl_rtl): Don't add a number to members of
13027 (make_function_rtl): Likewise.
13029 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13031 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13032 patch from 2000-01-28.
13034 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13036 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13037 filled with an insn from the jump target.
13039 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13041 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13042 (c4x_external_ref): Likewise.
13043 * config/c4x/c4x.c (struct name_list): Likewise.
13045 1999-12-16 Ben Collins <bcollins@debian.org>
13047 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13048 argument to genmultilib.
13049 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13050 the contents into the multilib.h header.
13051 * gcc.c: Declare multilib_exclusions for the specs file.
13052 (set_multilib_dir): Use it.
13053 (print_multilib_info): Likewise.
13054 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13055 to pass to genmultilib.
13057 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13059 * builtins.c (built_in_class_names, built_in_names): Constify a
13062 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13064 (_mcleanup): Ensure value matches format specifier in sprintf.
13066 * cpphash.c (special_symbol): Don't needlessly cast away
13069 * cppinit.c (base_name): Delete unused prototype.
13071 * mkdeps.c (deps_init): Make definition K&R safe.
13073 * tree.h (built_in_class_names, built_in_names): Constify a
13076 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13078 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13079 floating point instructions for epilogue delay.
13081 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13082 to gas if it supports .register pseudo.
13084 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13085 LONG_DOUBLE_TYPE_SIZE if not defined.
13086 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13087 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13088 * real.c: Likewise.
13089 * gengenrtl.c: Likewise.
13090 * print-rtl.c: Likewise.
13092 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13093 MASK_LONG_DOUBLE_128.
13094 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13095 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13096 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13097 (SUBTARGET_SWITCHES): Define.
13098 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13099 with -mlong-double-128.
13100 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13101 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13102 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13103 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13104 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13105 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13106 with -mlong-double-128.
13107 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13108 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13109 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13110 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13111 TARGET_LONG_DOUBLE_128): Define.
13112 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13113 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13114 long double on TARGET_ARCH64.
13116 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13118 * function.c (free_temps_for_rtl_expr): Don't free slots
13119 that have been pushed into a higher level.
13122 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13124 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13126 * basic-block.h (ALLOCA_REG_SET): Remove.
13127 (INITIALIZE_REG_SET): New macro.
13128 * flow.c (update_life_info): Use it.
13129 (calculate_global_regs_live): Likewise.
13130 (propagate_block): Likewise.
13131 * global.c (build_insn_chain): Likewise.
13132 * haifa-sched.c (schedule_region): Likewise.
13134 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13136 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13137 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13138 (DWARF_ARANGES_PAD_SIZE): New define.
13139 (output_aranges): Use it to pad the address range header.
13140 (DWARF_ROUND): Fix for non power of 2 rounding.
13142 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13144 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13146 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13148 * tree.def (RTL_EXPR): Update documentation.
13149 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13150 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13151 * function.c (preserve_rtl_expr_temp): New function.
13152 (preserve_rtl_expr_temps): Likewise.
13153 (preserve_rtl_expr_result): Use it.
13156 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13158 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13160 * regmove.c (copy_src_to_dest) Do not create src->dest move
13161 for unchanging destination.
13163 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13165 * function.h (struct sequence_stack): Remove rtl_expr.
13166 (struct emit_staus): Likewise.
13167 (seq_rtl_expr): Remove.
13168 * tree.h (free_temps_for_rtl_expr): Don't declare.
13169 (start_sequence_for_rtl_expr): Likewise.
13170 * rtl.h (preserve_rtl_expr_result): Likewise.
13171 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13172 (start_sequence_for_rtl_expr): Remove.
13173 (push_topmost_sequence): Don't save sequence_rtl_expr.
13174 (pop_topmost_sequence): Remove comment about not restoring it.
13175 (end_sequence): Don't set seq_rtl_expr.
13176 (init_emit): Don't initialize it.
13177 (mark_sequence_stack): Don't mark it.
13178 (mark_emit_status): Likewise.
13179 * except.c (protect_with_terminate): Use
13180 start_sequence_for_rtl_expr, not start_sequence.
13181 * expr.c (expand_expr, case RTL_EXPR): Don't call
13182 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13183 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13184 (preserve_rtl_expr_result): Remove.
13185 (free_temps_for_rtl_expr): Likewise.
13186 (pop_temp_slots): Likewise.
13187 (mark_temp_slot): Don't mark the rtl_expr.
13188 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13189 start_sequence_for_rtl_expr.
13191 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13193 * mkdeps.c, mkdeps.h: New files.
13194 * po/POTFILES.in: Add them.
13195 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13196 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13197 (mkdeps.o): New target.
13199 * cppfiles.c: Delete deps_output.
13200 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13201 OBJECT_SUFFIX, and base_name.
13202 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13204 (initialize_dependency_output): Use deps_init,
13205 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13206 all the unnecessary string bashing.
13207 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13209 * cpplib.c (do_include): Use deps_add_dep.
13210 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13211 deps_allocated_size, deps_size, deps_column members with
13212 single pointer to a struct deps. Delete prototype of
13215 * cppinit.c: Fix thinko in previous patch.
13217 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13219 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13220 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13221 (mode_for_size_tree): New function.
13222 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13223 * tree.h (mode_for_size_tree): New declaration.
13225 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13227 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13229 * stmt.c (is_body_block): Move...
13230 * dwarfout.c, dwarf2out.c: ...from here.
13231 * tree.h: Declare it.
13232 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13233 * final.c (final_start_function): Do call remove_unnecessary_notes
13236 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13238 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13240 * cpplib.h (_dollar_ok): New macro.
13241 (is_idchar, is_idstart): Use it.
13242 (IStable): Rename to _cpp_IStable. Declare it const if
13243 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13244 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13245 is_space): Update for renamed IStable.
13247 * cppinit.c: Delete all references to FAKE_CONST and CAT
13248 macros. Define init_IStable as empty macro if gcc >=2.7 or
13249 C99. Change TABLE() to ISTABLE and hardcode name of table.
13250 (cpp_start_read): Don't change the IStable based on
13253 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13254 changed. Handle '$' for char1 correctly.
13255 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13257 * cppexp.c (tokentab2): Make const.
13258 (cpp_lex): Make toktab const.
13259 * cppinit.c (include_defaults_array): Make const.
13260 (initialize_standard_includes): Make default_include const.
13262 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13264 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13265 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13266 (gen_decl_die): Likewise.
13267 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13268 (output_decl): Likewise.
13270 * varasm.c (make_function_rtl): If we change the name used in the
13271 rtl, update DECL_ASSEMBLER_NAME accordingly.
13272 (make_decl_rtl): Likewise.
13274 * toplev.c (rest_of_compilation): Tweak formatting.
13276 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13277 remove_unnecessary_notes.
13278 (debug_ignore_block): New fn.
13279 * toplev.h: Declare it.
13280 * emit-rtl.c (remove_unncessary_notes): Call it.
13281 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13282 * dwarf2out.h: Declare it.
13283 * final.c (final_start_function): Don't call remove_unnecessary_notes
13284 if we did insn scheduling.
13286 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13288 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13289 * cpplib.h: Delete SET_CPP_PEDANTIC.
13291 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13293 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13294 result is a RECORD_TYPE.
13296 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13298 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13300 2000-03-03 Richard Henderson <rth@cygnus.com>
13302 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13303 addition over compliments over shifts.
13305 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13307 * reload1.c (reload_combine_note_use): Handle return register USEs.
13308 REG case: Handle multi-hard-register hard regs.
13310 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13312 * md.texi: Document use of '*' in insn pattern name.
13314 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13316 * calls.c (special_function_p): operator new may not be malloc-like.
13318 * gcse.c (dump_hash_table): Really fix error in last change.
13320 2000-03-02 Denis Chertykov <denisc@overta.ru>
13322 * avr.c (print_operand): Use print_operand_address instead of
13324 * avr/libgcc.S: Cleanup code.
13326 2000-03-02 Richard Henderson <rth@cygnus.com>
13328 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13330 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13332 * tree.h (TYPE_ALIGN_UNIT): New macro.
13334 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13336 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13338 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13340 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13342 (SET_CPP_PEDANTIC): New macro.
13343 * cpplib.c (do_include): Don't bother checking system_header_p.
13344 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13345 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13347 * function.h (struct expr_status): Add x_arg_space_so_far.
13348 (arg_space_so_far): New macro.
13349 * expr.c (init_expr): Initialize it.
13350 * calls.c (emit_call_1): Reset it.
13351 (compute_argument_block_size, expand_call): Use it.
13352 (expand_call, store_one_arg): Increment it.
13354 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13356 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13359 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13361 * cppfiles.c (cpp_read_file): New function.
13363 * cpphash.c (collect_expansion): Make sure to reset last_token
13364 to NORM when we hit a string. Handle trailing whitespace
13365 properly when the expansion is empty.
13366 (create_definition): Disable line commands while parsing the
13368 (dump_definition): If pfile->lineno == 0, output a line
13369 command ahead of the dump, and add a trailing newline.
13371 * cppinit.c (append_include_chain): Add fifth argument, which
13372 indicates whether or not system headers are C++ aware.
13373 (initialize_standard_includes): New function,
13374 broken out of read_and_prescan. Pass 'cxx_aware' value from
13375 the include_defaults_array on to append_include_chain.
13376 (dump_special_to_buffer): Const-ify char array.
13377 (builtin_array): Don't dump __BASE_FILE__.
13378 (cpp_start_read): Use cpp_read_file. Reorder code for
13379 clarity. Don't output line commands here for -D/-A/-U
13380 switches. Don't call deps_output for files included with
13381 -include or -imacros.
13383 * cpplib.c (do_define): Don't pay any attention to the second
13385 (cpp_expand_to_buffer): Disable line commands while scanning.
13386 (output_line_command): Work in the file buffer.
13387 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13388 Fix formatting of comments. Prototype cpp_read_file.
13390 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13392 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13393 reference the language-equivalent of sizetype.
13394 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13395 * fold-const.c (size_binop, size_diffop): Put back checks.
13396 * gcse.c (dump_hash_table): Fix minor error in last change.
13397 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13398 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13401 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13403 * calls.c (expand_call) Do not attempt to combine stack adjustments
13404 with inhibit_defer_pop set.
13406 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13408 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13409 the DECL_SIZE for a FIELD_DECL.
13411 2000-03-01 Bruce Korb <bkorb@gnu.org>
13413 * fixinc/inclhack.tpl: remove unused symlinks
13414 * fixinc/README: GCC Maintainer info
13415 * fixinc/inclhack.sh: regen
13416 * fixinc/fixincl.sh: regen
13418 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13420 * cpphash.c (collect_expansion): Trim trailing white space
13421 from macro definitions, but don't go past the last insertion
13424 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13426 * i386.md (mulqi3): New pattern.
13428 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13430 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13432 (struct cpp_reader): Add parsing_if_directive and
13433 parsing_define_directive flags.
13434 (struct cpp_options): Remove output_conditionals flag.
13435 (check_macro_name): Delete prototype.
13437 * cpphash.h (struct macrodef): Delete.
13438 (struct reflist): Separate from struct definition.
13439 (struct definition): Remove unused fields. Add column number.
13440 (create_definition): Returns a DEFINITION *. Takes a
13441 cpp_reader * and an int.
13443 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13444 (PEEKC): Copy defn from cpplib.c.
13445 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13447 (struct arglist): Simplify.
13448 (collect_expansion): Rewrite. Get tokens by calling
13449 cpp_get_token. Add more error checking.
13450 (collect_formal_parameters): New function, broken out of
13451 create_definition and reworked to use get_directive_token.
13452 (create_definition): All real work is now in collect_expansion
13453 and collect_formal_parameters. do_define handles finding the
13454 macro name. Return a DEFINITION, not a MACRODEF.
13455 (macroexpand): Replace bcopy with memcpy throughout. Replace
13456 character-at-a-time copy loop with memcpy and pointer increments.
13457 (compare-defs): d1->argnames / d2->argnames might be null.
13459 * cpplib.c (copy_rest_of_line): Delete function.
13460 (skip_rest_of_line): Do all the work ourselves.
13461 (skip_string): New function.
13462 (parse_string): Use skip_string.
13463 (get_macro_name): New function.
13464 (check_macro_name): Delete.
13465 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13466 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13467 (handle_directive): ICE if we're called on a macro buffer.
13468 (do_define): Determine macro name and type (funlike/objlike)
13469 here. Expunge all uses of MACRODEF.
13470 (cpp_push_buffer): Set line_base to NULL.
13471 (do_undef, read_line_number): Don't worry about getting a POP token.
13472 (eval_if_expression): Set/reset parsing_if_directive around
13473 cpp_parse_expr. Don't clear only_seen_white.
13474 (skip_if_group): Remove output_conditionals logic. Use
13476 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13477 tokens under appropriate conditions.
13478 (cpp_unassert): Call do_unassert not do_assert. Oops.
13480 * cppexp.c (parse_defined): New function, break out of
13482 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13483 ourselves, with cpp_defined.
13484 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13486 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13487 * gcc.dg/strpaste-2.c: New.
13489 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13491 * fold-const.c (size_binop): Don't asert inputs are the same and
13492 have TYPE_IS_SIZETYPE set.
13493 (size_diffop): Likewise.
13495 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13497 * dwarfout.c (output_block): Output abstract blocks even if they
13498 don't have TREE_ASM_WRITTEN set.
13500 * calls.c (emit_library_call): Check for null REG.
13502 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13504 * c-decl.c (current_function_decl): Move to toplev.c.
13505 (init_decl_processing): Don't add current_function_decl as a ggc
13507 * dbxout.c (dbxout_symbol): Change return type to int.
13508 (dbxout_symbol_location, dbxout_syms): Likewise.
13509 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13510 any locals. Use current_function_func_begin_label if set.
13511 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13512 * dwarf2out.c (dwarf2out_begin_prologue): Set
13513 current_function_func_begin_label.
13514 * final.c (final_start_function): Reset it.
13515 * toplev.c (current_function_decl): Define it here.
13516 (current_function_func_begin_label): New variable.
13517 (main): Add both as ggc roots.
13518 * tree.h (current_function_func_begin_label): Declare.
13520 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13522 * gcse.c: Cleanups throughout: mostly white-space, but also
13523 some minor rearrangement of code.
13525 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13527 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13528 returns a PARALLEL. Use emit_group_load and use_group_regs
13530 (emit_library_call_value): Similarly.
13532 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13533 * pa/quadlib.asm: Remove.
13534 * pa/quadlib.c: New file.
13536 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13537 * configure: Rebuilt.
13539 2000-02-29 Philip Blundell <pb@futuretv.com>
13541 * config/arm/conix-elf.h: New file.
13542 * configure.in (arm*-*-conix*): New configuration.
13543 * configure: Regenerate.
13545 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13547 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13548 don't have TREE_ASM_WRITTEN set.
13550 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13552 * Eliminate DECL_FIELD_SIZE.
13553 * builtins.c (built_in_class_names, built_in_names): New variables.
13554 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13555 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13556 DECL_SIZE, not DECL_FIELD_SIZE.
13557 * print-tree.c (print_node): Remove code that prints extra blank
13558 lines in some cases.
13559 Properly handle inline and builtin function cases.
13560 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13561 * tree.h (built_in_class_named, built_in_names): New declarations.
13562 (union tree_decl): Rename internal unions to u1 and u2 and change
13563 some of their components.
13564 Add new field built_in_class.
13565 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13566 Reflect above changes.
13567 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13568 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13569 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13570 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13572 2000-02-28 Dmitri Makarov <dim@windriver.com>
13574 * extend.texi: Document ARM's support for long/short calls.
13576 * invoke.texi: Document ARM's -mlong-calls command line switch.
13578 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13579 (arm_encode_call_attribute): Add prototype.
13580 (arm_set_default_type_attribute): Add prototype.
13581 (arm_strip_name_encoding): Add prototype.
13583 * config/arm/arm.c (arm_init_cumulative_args): replace
13584 initialisation og 'long_calls' field with initialisation of
13585 'call_cookie' field.
13586 (enum arm_pragma_enum): New enum.
13587 (arm_pragma_long_calls): New static variable.
13588 (arm_process_pragma): Also process "#pragma long_calls_off".
13589 (arm_valid_type_attribute_p): Accept short_call attribute.
13590 (arm_comp_type_attributes): Check long/short call attributes.
13591 (arm_encode_call_attribute): New function: Encode long_call
13592 or short_call attribute in function name.
13593 (arm_set_default_type_attributes): New function: Assign
13594 default attributes to newly defined type.
13595 (current_file_function_operand): New function: Return true if
13596 the symbol is a function which has already been compiled.
13597 (arm_is_longcall_p): New function: Return true if the
13598 indicated function should be called via a long call.
13599 (arm_get_strip_length): New function. Returns number of
13600 prefix characters to be stripped from a function's name.
13601 (arm_strip_name_encoding): New function. Strip prefix characters
13602 from a function's name.
13604 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13605 with 'call_cookie'.
13606 (SHORT_CALL_FAG_CHAR): Define.
13607 (LONG_CALL_FAG_CHAR): Define.
13608 (ENCODED_SHORT_CALL_ATTR_P): Define.
13609 (ENCODED_LONG_CALL_ATTR_P): Define.
13610 (ARM_NAME_ENCODING_LENGTHS): Define.
13611 (STRIP_NAME_ENCODING): Define.
13612 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13613 (ARM_ENCODE_CALL_TYPE): Define.
13614 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13615 (ARM_DECLARE_FUNCTION_SIZE): Define.
13616 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13618 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13619 if a long call is needed.
13620 (call_value): Ditto.
13621 (call_symbol): Ditto.
13623 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13624 ARM_DECLARE_FUNCTION_SIZE.
13626 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13627 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13628 (ARM_STRIP_NAME_ENCODING): Undefine.
13629 (STRIP_NAME_ENCODING): Undefine.
13630 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13631 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13632 (ASM_OUTPUT_COMMON): Ditto.
13633 (ASM_DECLARE_OBJECT_NAME): Ditto.
13635 * config/arm/pe.c (arm_dllexport_name_p): Check for
13637 (arm_dllimport_name_p): Ditto.
13638 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13639 (arm_mark_dllimport): Ditto.
13641 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13643 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13645 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13647 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13649 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13651 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13652 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13653 NO_BUILTIN_WCHAR_TYPE is not defined.
13654 (CPP_WCHAR_TYPE): Delete.
13655 * cccp.c (main): Don't change wchar_type if cplusplus.
13656 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13658 2000-02-28 Nick Clifton <nickc@cygnus.com>
13660 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13662 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13664 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13665 (ASM_WEAKEN_LABEL): Define.
13667 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13669 * expr.c (store_constructor): Do not emit USE.
13670 * rtl.h (stupid_life_analysis): Remove.
13672 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13674 * function.c (number_blocks): Reset next_block_index based on
13675 what debugging format is used, not what is defined.
13677 * lcm.c: Minor reformatting throughout.
13678 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13680 * toplev.c (rest_of_compilation): Account for time in
13681 optimize_mode_switching.
13683 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13684 if only marking labels.
13686 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13688 * calls.c (expand_call): Attempt to combine stack adjustments with
13689 pending stack adjustments.
13691 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13693 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13694 to the end of the function.
13696 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13698 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13700 * final.c (next_block_index): Remove.
13701 (max_block_depth): Likewise.
13702 (pending_blocks): Likewise.
13703 (init_final): Don't initialize them.
13704 (final_start_function): Don't set next_block_index. Set up
13706 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13707 * function.h (number_blocks): New function.
13708 * function.c (get_block_vector): New function.
13709 (identify_blocks): Use it.
13710 (reorder_blocks): Set NOTE_BLOCK.
13711 (number_blocks): New function.
13712 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13713 * tree.h (BLOCK_NUMBER): New macro.
13714 (tree_block): Add block_num field.
13715 * dbxout.c (next_block_number): Remove.
13716 (dbxout_init): Don't set it.
13717 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13718 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13720 * toplev.c (rest_of_compilation): Always call
13721 find_loop_tree_blocks. Fix indentation.
13722 * dwarf2out.c (next_block_number): Remove.
13723 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13724 to determine block numbers.
13725 (gen_inlined_subroutine_die): Likewise.
13726 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13727 (decls_for_scope): Don't increment next_block_number.
13728 * dwarfout.c (next_block_number): Remove.
13729 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13730 to determine block numbers.
13731 (output_inlined_subroutine_die): Likewise.
13732 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13733 (output_decls_for_scope): Don't increment next_block_number.
13734 * sdbout.c (next_block_number): Remove.
13735 (sdbout_block): Use BLOCK_NUMBER.
13736 (sdbout_begin_block): Simplify.
13737 * xcoffout.c (next_block_number): Remove.
13738 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13739 (xcoffout_begin_block): Don't set next_block_number.
13740 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13743 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13745 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13746 (expand_builtin_strcpy): Pass correct type to size_binop.
13747 (expand_builtin_strcmp): Likewise.
13748 Clean up conditional structure.
13749 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13750 (complete_array_type): Don't use size_binop for MAXINDEX.
13751 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13752 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13753 (c_alignof): Use size_one_node.
13754 (build_unary_op): Pass arg of proper type to size_binop.
13755 (really_start_incremental_init, push_init_level): Use sizetype for
13756 constructor{,_bit,_unfilled}_index.
13757 (pop_init_label, output_init_element): Likewise.
13758 (output_pending_init_elements, process_init_element): Likewise.
13759 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13760 * expr.c (store_expr): Use size_int.
13761 (store_constructor): Use proper types for size_binop args.
13762 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13763 (expand_expr_unaligned): Likewise.
13764 (string_contant): Return object of sizetype.
13765 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13766 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13767 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13768 * fold-const.c (int_const_binop): Refine when size_int is called.
13769 (fold_convert): Likewise.
13770 (size_int_wide): Rework to take KIND as arg, only take low order
13771 bits, handle new sizetype_tab datatype, and chain entries in
13773 (size_int_type_wide): New function.
13774 (size_binop): Validate types of arguments.
13775 (ssize_binop): Deleted.
13776 (size_diffop): New function.
13777 (extract_muldiv): Only fold division into multiplication for sizetypes.
13778 * function.c (assign_parms): Use size_diffop and make sure
13779 VAR field is of ssizetype; also pass proper type to size_binop.
13780 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13781 (round_down): Deleted from here.
13782 * store-layout.c (sizetype_tab): Now an array.
13783 (sizetype_set, early_root_list): New variables.
13784 (variable_size): Use size_one_node.
13785 (round_up): Pass proper type to size_binop.
13786 (round_down): Moved to here and corrected as above.
13787 (layout_record): Pass proper arg types to size_binop.
13788 (layout_type): Likewise.
13789 If sizetype_set is zero, record the type just laid out.
13790 (make_unsigned_type): Don't call set_sizetype;
13791 (make_signed_type): Likewise; also, call fixup_signed_type.
13792 (initialize_sizetypes): New function.
13793 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13794 set name of bitsizetype to "bit_size_type".
13795 Fix up type of sizes of all types made before call.
13796 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13797 * tree.c (fix_sizetype): Deleted.
13798 (build_common_tree_nodes): Call initialize_sizetypes.
13799 (build_common_tree_nodes_2): Don't call fix_sizetype.
13800 * tree.h (TYPE_IS_SIZETYPE): New macro.
13801 (initialize_sizetype): New declaration.
13802 (enum size_type_kind): New type.
13803 (struct sizetype_tab): Deleted.
13804 (sizetype_tab): Now array; adjust sizetype macros.
13805 (size_diffop, size_int_type_wide): New functions.
13806 (size_int_wide): Change number of args and type; access macros changed.
13807 (ssize_int, sbitsize_int): New macros.
13808 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13809 (ROUND_TYPE_SIZE_UNIT): New macro.
13811 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13813 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13815 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13817 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13818 Mark as possibly unused.
13820 * cse.c (cse_insn): Delete dead code involving tablejump.
13821 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13823 * Makefile.in (libcpp.a): Start by deleting it.
13825 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13827 * cpplib.h (enum file_change_code): Added rename_file.
13828 * cpplib.c (do_line): If a filename is given, set file_change to
13830 (output_line_command): If file_change is rename_file, always
13831 output a # directive with the file name.
13833 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13835 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13837 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13838 when copying a PARM_DECL or RESULT_DECL.
13840 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13842 * fix-header.c (recognized_function): Also fix prototypes for
13843 functions taking "void".
13845 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13847 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13848 looking at reg_reloaded_contents.
13850 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13852 * Makefile.in (STMP_FIXINC): New toggle.
13853 (LIBGCC2_DEPS): Delete all references.
13854 (stmp-headers): Delete target. All references either deleted
13855 or changed to stmp-int-headers.
13856 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13857 (LIBCPP_OBJS): Take out cppalloc.o.
13858 (cppalloc.o): Delete target.
13859 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13860 (gen-protos, fix-header): Link with libiberty.a.
13861 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13864 * configure.in: Remove refs to strerror.
13865 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13866 * system.h: Take out strerror stanza.
13868 * cpperror.c (my_strerror): Delete function.
13869 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13870 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13871 * cppalloc.c: Delete file.
13872 * gen-protos.c: Don't provide xrealloc.
13874 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13875 xstrerror throughout.
13877 2000-02-26 Bruce Korb <bkorb@gnu.org>
13879 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13880 match for DOS headers, too.
13881 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13883 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13885 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13886 is right for most ELF targets.
13887 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13888 Let the default file use %U properly.
13889 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13892 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13895 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13897 * toplev.c (documented_lang_options): Correct spelling error.
13898 (decode_d_option, decode_f_option, main): Likewise.
13900 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13902 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13903 to tell assembler it is permitted to expand large constants.
13905 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13907 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13908 (aux_info_suffix): Use.
13909 (SAVE_SUFFIX): New macro.
13910 (save_suffix): Use.
13911 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13912 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13913 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13915 * invoke.texi (Running Protoize): Update documentation.
13917 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13919 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13921 2000-02-25 John Wehle (john@feith.com)
13923 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
13925 2000-02-25 Anthony Green <green@cygnus.com>
13927 * toplev.c (rest_of_compilation): Rebuild jump labels if
13928 combine_instructions has created a new direct jump.
13929 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
13931 (combine_instructions): Call try_combine with new argument.
13932 Return non-null value when new direct jump instruction is created.
13933 * rtl.h: combine_instructions returns an int.
13935 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
13937 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
13938 jump when changing a computed jump into a jump to a known
13941 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
13943 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
13944 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
13946 * i386.md (define_expand "clrstrsi"): Fix typo.
13948 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
13950 * rtl.texi: Fix typo.
13952 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13954 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
13955 UNITS_PER_WORD. Change caller initial_elimination_offset.
13956 (rounded_frame_size): Take into account that argument pushed has
13957 changed. Fix TARGET_ALIGN_DOUBLE problem.
13959 2000-02-25 Geoff Keating <geoffk@cygnus.com>
13961 * haifa-sched.c (schedule_block): Explain the real reason
13962 we delete REG_SAVE_NOTEs on the first insn of a block.
13963 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
13965 2000-02-24 Mark Mitchell <mark@codesourcery.com>
13967 * input.h (push_srcloc): New function.
13968 (pop_srcloc): Likewise.
13969 * toplev.c (push_srcloc): Define it.
13970 (pop_srcloc): Likewise.
13972 2000-02-24 Richard Henderson <rth@cygnus.com>
13974 * flow.c (life_analysis): When collecting reg info, clear
13977 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13979 Fix bug exposed by reload.c no longer rounding the frame
13980 size to BIGGEST_ALIGNMENT:
13981 * sh.c (rounded_frame_size): New function.
13982 (sh_expand_prologue, sh_expand_epilogue): Use it.
13983 (initial_elimination_offset): Likewise.
13985 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13987 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
13988 * sh-protos.h (sh_need_epilogue): Declare.
13989 * sh.c (sh_need_epilogue_known): New static variable.
13990 (sh_need_epilogue): New function.
13991 (function_epilogue): Clear need_epilogue_known.
13992 * sh.md (return): Split into expander / insn pattern.
13993 Make the expander conditional on ! sh_need_epilogue ().
13995 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
13997 * machmode.h (get_mode_alignment): Declare.
13998 (GET_MODE_ALIGNMENT): Call it.
13999 * stor-layout.c (get_mode_alignment): New function. Make
14000 sure alignment is always power of 2.
14002 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14004 * i386.h: Remove useless definition of "I386" and misleading
14007 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14009 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14010 under which TREE_PERMANENT will be set.
14011 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14012 build1): Use TREE_SET_PERMANENT.
14013 * print-tree.c (print_node): Don't report value of
14014 TREE_PERMANENT if ggc_p is true.
14016 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14017 decide whether to give a type a new alias set.
14018 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14019 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14020 of value of 'obstack'.
14023 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14025 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14027 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14029 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14030 * cpplib.c (cpp_get_token): Produce them.
14031 * cppexp.c (cpp_lex): Handle them.
14033 2000-02-23 Nick Clifton <nickc@cygnus.com>
14035 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14036 comment tests on type attributes.
14038 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14040 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14041 conform to documentation.
14042 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14043 to check for special cases.
14044 * sh-protos.h (sh_loop_align): Declare.
14045 * sh.c (sh_loop_align): Define.
14047 2000-02-22 Andrew Haley <aph@cygnus.com>
14049 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14050 (SIZE_TYPE): Is 32 bits when using -mgp32.
14051 (PTRDIFF_TYPE): Ditto.
14053 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14055 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14057 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14059 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14060 BIGGEST_FIELD_ALIGNMENT a constant.
14062 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14064 * dwarf2out.c (output_line_info): Put the marker for the end of
14065 the line number info at the actual end.
14066 (gen_struct_or_union_type_die): Use decl_function_context
14067 to check for local classes.
14068 * dwarfout.c (output_type): Likewise.
14070 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14072 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14073 for arguments with a mode, but no type.
14074 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14075 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14076 * pa/long_double.h: New file.
14077 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14078 both have 128bit wide long doubles.
14079 * configure: Rebuilt.
14081 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14083 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14085 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14086 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14087 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14089 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14091 * integrate.c (compare_blocks, find_block): Likewise.
14093 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14095 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14097 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14098 expand_asm_operands): Likewise.
14100 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14102 * predict.c (estimate_probability): Added the pointer heuristic to
14103 the collection of static branch predictors.
14105 2000-02-21 Catherine Moore <clm@cygnus.com>
14107 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14108 * invoke.texi (-mfix7000): Document.
14110 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14112 * diagnostic.c (init_output_buffer): Make it possible to output at
14113 least 32 characters if we're given a too long prefix.
14115 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14117 * varasm.c (initializer_constant_valid_p): Call
14118 lang_expand_constant to simplify the constant.
14120 2000-02-20 Bruce Korb <bkorb@gnu.org>
14122 * fixinc/inclhack.def(stdio_va_list):
14123 typedef needs to be disabled.
14124 * fixinc/inclhack.sh: regen
14125 * fixinc/fixincl.x: regen
14127 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14129 * print-rtl.c (print_rtx): Don't print addresses when
14130 flag_dump_unnumbered.
14132 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14134 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14136 (sparc_va_arg, sparc_flat_output_function_prologue,
14137 sparc_flat_output_function_epilogue): Cast value to unsigned in
14139 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14141 * sparc.md: Add default case in switch.
14143 2000-02-19 Richard Henderson <rth@cygnus.com>
14145 * c-typeck.c (add_pending_init): Don't abort for multiple
14146 fields at the same offset.
14147 (pending_init_member): Test the correct member.
14149 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14151 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14153 (start_catch_handler) : Same.
14155 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14157 * Makefile.in: Have flow.o depend on $(EXPR_H)
14159 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14161 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14162 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14163 (finish_decl): Remove -Wlarger-than code from here.
14164 * flags.h (id_clash_len): Now int.
14165 (larger_than_size): Now HOST_WIDE_INT.
14166 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14167 Clean up checking to see if in table.
14168 (make_bit_field_ref): Remove extra parm to bitsize_int.
14169 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14170 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14171 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14172 and for computing size of decl.
14173 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14174 Move -Wlarger-than code to here.
14175 (layout_record): Remove extra arg to bitsize_int.
14176 Set TYPE_BINFO_SIZE_UNIT.
14177 (layout_union): Remove extra arg to bitsize_int.
14178 Use proper type for size of QUAL_UNION.
14179 (layout_type): Remove extra arg to bitsize_int.
14180 * toplev.c (id_clash_len): Now int.
14181 (larger_than_size): Now HOST_WIDE_INT.
14182 (decode_W_option): Clean up id-clash and larger-than- cases.
14183 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14184 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14185 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14186 (struct tree_decl): New field size_unit.
14187 (size_int_wide): No HIGH operand; NUMBER is now signed.
14188 (size_int_2): Deleted.
14189 (size_int, bitsize_int): Don't use it and rework args.
14190 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14192 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14194 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14196 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14198 * invoke.texi (Warning Options): Add an explanation of why
14199 you might want the -Wfloat-equal flag.
14201 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14203 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14204 * cppinit.c (new_pending_define): Add cast to avoid warning.
14205 * expmed.c (extract_bit_field): Likewise.
14206 * flow.c (enum reorder_skip_type): New type.
14207 (skip_insns_between_blcok): New it.
14208 Rework to avoid warning about possibly undefined variable.
14209 * function.c (assign_parms): Make thisparm_boundary unsigned.
14210 * genrecog.c (write_switch): Cast XWINT result to int.
14211 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14212 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14213 one for MIPS and one for Alpha.
14214 (get_tag, copy_object): Add casts to avoid warnings.
14215 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14216 * reload.c (find_reloads): Make TYPE enum reload_type.
14217 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14218 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14219 * varasm.c (compare_constant_1): Add cast to avoid warning.
14220 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14222 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14223 Cast switch operand of size to int.
14224 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14225 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14228 2000-02-18 Nick Clifton <nickc@cygnus.com>
14230 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14231 anything for an alignment of zero.
14233 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14234 anything for an alignment of zero.
14236 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14238 * gcc.texi (Bug Reporting): Refer to bugs.html.
14239 (Bug Lists): Likewise.
14240 * system.h (GCCBUGURL): New preprocessor define.
14241 * rtl.c (fancy_abort): Use it.
14242 * gcc.c (main): Likewise.
14244 2000-02-18 Richard Henderson <rth@cygnus.com>
14246 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14247 (life_analysis_1): Subsume into ...
14248 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14249 Use update_life_info for the relaxation.
14250 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14251 entry and regs_live_at_setjmp.
14252 (set_noop_p): Simplify.
14253 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14254 (record_volatile_insns): Split into ...
14255 (delete_noop_moves): ... here,
14256 (notice_stack_pointer_modification): ... here,
14257 (insn_dead_p): ... and here.
14258 (propagate_block): Don't query INSN_VOLATILE.
14259 (mark_used_regs): Mind !PROP_REG_INFO.
14260 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14261 not in life_analysis.
14263 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14265 * loop.c (canonicalize_condition): New function,
14266 broken out of get_condition.
14267 (get_condition): Use it.
14268 * expr.h (canonicalize_condition): Prototype it.
14270 * tree.h (tree_int_cst_msb): Declare.
14271 * tree.c (tree_int_cst_msb): New function.
14273 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14275 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14278 * invoke.texi (-fmessage-length=n): Document.
14280 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14282 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14284 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14286 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14287 after the prologue.
14289 2000-02-17 Nick Clifton <nickc@cygnus.com>
14291 * config/arm/thumb.c: Replace includes of system headers with
14292 #include "system.h".
14294 2000-02-16 Richard Henderson <rth@cygnus.com>
14296 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14297 Add crtbeginS.o and crtendS.o.
14298 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14299 (ENDFILE_SPEC): Use crtendS.o.
14300 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14302 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14303 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14304 shared and present.
14305 (__dso_handle): New variable.
14306 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14307 bias to __CTOR_END__.
14309 2000-02-16 Richard Henderson <rth@cygnus.com>
14311 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14313 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14315 * longlong.h (__clz_tab): Declare as static to match definition.
14317 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14319 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14320 (XREF_FILE_NAME): Define.
14322 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14323 (EH_FRAME_SECTION_ASM_OP): Define.
14324 (IDENT_ASM_OP): Define.
14325 (TEXT_SECTION_ASM_OP): Define.
14326 (CPP_SPEC): Define.
14327 (CTORS_SECTION_ASM_OP): Define.
14328 (CTOR_SECTION_FUNCTION): Use it.
14329 (DTORS_SECTION_ASM_OP): Define.
14330 (DTOR_SECTION_FUNCTION): Use it.
14332 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14334 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14337 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14338 debug_bb_n): New functions.
14339 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14340 * basic-block.h: Prototype new functions.
14342 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14344 * configure.in: Add support for avr target.
14345 * configure: Rebuilt.
14347 * invoke.texi: Add AVR invocation docs.
14348 * install.texi: Add information about AVR.
14349 * md.texi: Add AVR constraint letters description.
14350 * extend.texi: Add description for AVR specific attributes.
14352 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14354 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14356 2000-02-16 Nick Clifton <nickc@cygnus.com>
14358 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14359 (make_insn_raw): Move RTL check here.
14361 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14363 * version.c: Include gansidecl.h and version.h.
14365 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14367 * configure.in (gcc_version): When setting, narrow search to
14368 lines containing `version_string'.
14370 * Makefile.in (mainversion): Likewise.
14371 (GCC_H): New variable.
14372 (gcc.h): Delete target.
14373 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14374 (version.o): Depend on version.h.
14375 (dbxout.o): Don't depend on gcc.h.
14377 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14378 Michael Meissner <meissner@cygnus.com>
14380 * md.texi (Simple Constraints): Add item about whitespace.
14381 * genoutput.c (strip_whitespace): New.
14382 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14383 strip_whitespace for constraints.
14384 Test pointer using NULL, not 0.
14386 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14388 * cpplib.c (do_line): Pedwarn for #line > 32767.
14390 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14392 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14394 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14395 to default cpp spec.
14396 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14397 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14400 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14403 2000-02-15 Denis Chertykov <denisc@overta.ru>
14405 * configure.in: Add support for avr target.
14407 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14409 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14410 (sh_addr_diff_vec_mode): Don't declare.
14411 * sh.c (sh_addr_diff_vec_mode): Delete.
14413 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14415 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14417 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14419 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14420 (smulsi3_highpart_i): Name.
14421 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14422 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14423 (smulsi3_highpart, umulsi3_highpart): Likewise.
14425 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14426 correctly independent of endianness.
14427 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14428 confuse the optimizers.
14429 (mulsidi3+1, umulsidi3+1): New define_split.
14431 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14433 * config/sh/sh.md: Guard insn splits against illegal registers.
14434 * config/sh/sh.h: Correct comment about macros.
14436 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14437 Andrew MacLeod <amacleod@cygnus.com>
14439 * Makefile.in (lcm.o): Depend on insn-attr.h.
14440 * basic-block.h (optimize_mode_switching): Declare.
14441 * lcm.c (tm_p.h, insn-attr.h): #include.
14442 (seginfo, bb_info): New structs.
14443 (antic, transp, comp, delete, insert) : New file-scope static variables.
14444 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14445 (reg_becomes_live, optimize_mode_switching): Likewise.
14446 * tm.texi: Add description of mode switching macros.
14447 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14449 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14450 (fldi_ok, fpscr_set_from_mem): New prototypes.
14451 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14452 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14453 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14454 (sh_flag_remove_dead_before_cse): Remove declaration.
14455 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14456 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14457 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14458 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14459 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14460 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14461 (fldi_ok): New function.
14462 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14463 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14464 (emit_df_insn): Likewise.
14465 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14466 (sh_flag_remove_dead_before_cse): Delete.
14467 (get_free_reg, fpscr_set_from_mem): New functions.
14468 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14469 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14471 2000-02-15 Loren Rittle <ljrittle@acm.org>
14473 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14475 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14477 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14478 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14480 * cccp.c: Include version.h and/or don't declare `version_string'.
14481 * collect2.c: Likewise.
14482 * alpha.c: Likewise.
14483 * arm/aof.h: Likewise.
14484 * arm/coff.h: Likewise.
14485 * arm/elf.h: Likewise.
14486 * arm/pe.h: Likewise.
14487 * arm/tcoff.h: Likewise.
14488 * arm/telf.h: Likewise.
14489 * arm/tpe.h: Likewise.
14490 * arm/vxarm.h: Likewise.
14491 * convex/convex.c: Likewise.
14492 * i386/dgux.c: Likewise.
14493 * i386/sun386.h: Likewise.
14494 * m88k/m88k.c: Likewise.
14495 * mcore/mcore-pe.h: Likewise.
14496 * mips/mips.h: Likewise.
14497 * romp/romp.h: Likewise.
14498 * sh/sh.c: Likewise.
14499 * cpphash.c: Likewise.
14500 * cppinit.c: Likewise.
14501 * dwarf2out.c: Likewise.
14502 * dwarfout.c: Likewise.
14505 * mips-tfile.c: Likewise.
14506 * protoize.c: Likewise.
14507 * toplev.c: Likewise.
14508 * tree.h: Likewise.
14510 * version.c (version_string): Constify a char*.
14512 * version.h: New file.
14514 2000-02-14 Nick Clifton <nickc@cygnus.com>
14516 * configure.in: Add mcore-elf and mcore-pe targets.
14517 * configure: Regenerate.
14519 * NEWS: Add note that MCore port has been contributed.
14521 * invoke.texi: Document command line switches for MCore port.
14522 * install.texi: Add MCore to list of supported targets.
14524 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14526 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14527 then we will need to import the frame handling functions.
14528 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14529 to import the frames themselves.
14531 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14532 Jason Eckhardt <jle@cygnus.com>
14534 * basic_block.h: Added prototype for reorder_basic_blocks.
14535 * toplev.c: Changes to add -freorder-blocks and graph dump after
14536 block reordering is done.
14537 * flow.c (reorder_block_def): New structure for use during block
14539 (REORDER_BLOCK_*): New macros to access members of above structure.
14540 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14541 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14542 functions for block reordering.
14544 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14546 * gcc.texi (Passes): Fix typo.
14547 * md.texi (Standard Names): Ditto.
14548 * tm.texi (Storage Layout): Ditto.
14550 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14552 * cpplib.c (do_define): Only free the old definition if it
14555 2000-02-13 Neil Booth <NeilB@earthling.net>
14557 * cppfiles.c (read_and_prescan): When emitting deferred
14558 newlines, test speccase[] again instead of checking each
14559 possible whitespace character in turn. When we encounter \r,
14560 look behind for \n first, then ahead.
14562 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14564 * cse.c (cse_altered): New internal flag.
14565 (cse_insn): Set it if we changed an insn.
14566 (cse_main): Clear cse_altered before each basic block.
14567 Only garbage collect if cse_altered is true afterward.
14569 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14571 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14573 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14575 * combine.c (simplify_comparison): Fix typo.
14577 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14579 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14582 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14584 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14585 previously inserted node instead of root node. Caller changed.
14587 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14589 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14591 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14593 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14594 __dereg_frame_dtor): Add prototype argument.
14596 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14598 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14600 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14602 * gthr-vxworks.h (__gthread_once): Likewise.
14604 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14606 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14608 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14609 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14610 stack pointer in functions w/o saved registers, output LEAVE more often
14611 on TARGET_USE_LEAVE machines.
14613 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14615 * config/arm/arm.c (arm_init_cumulative_args); New function:
14616 Initlaise the CUMULATIE_ARGS strcuture for a function
14618 (arm_function_arg): New function: Determine where to place a
14619 function's argument. Also handles deciding the function's
14621 (current_file_function_operand): New function: Return true if
14622 the symbol is a function which has already been compiled.
14623 (arm_is_long_call_p): New function: Return true if the
14624 indicated function should be called via a long call.
14625 (arm_valid_type_attribute_p): New function: Return true if the
14626 attribute is a valid, arm specific, attribute.
14627 (arm_comp_type_attribute): New function: Return true if the
14628 two types have compatable, arm specific, attributes.
14630 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14632 (FUNCTION_ARG): Redefine to call arm_function_arg.
14633 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14635 (INIT_CUMULATIVE_ARGS): Redefine to call
14636 arm_init_cumulative_args.
14637 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14639 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14641 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14643 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14644 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14645 (COMP_TYPE_ATTRIBUTES): Define.
14647 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14648 if a long call is needed.
14649 (call_value): Call arm_is_long_call_p to decide if a long call
14651 (call_symbol): Call arm_is_long_call_p to decide if a long call
14654 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14656 2000-02-11 Denis Chertykov <denisc@overta.ru>
14658 * README.AVR: New file with information about the avr ports.
14659 * config/avr: New directory with avr port files.
14661 2000-02-11 Andreas Jaeger <aj@suse.de>
14663 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14665 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14667 * cpphash.c: Fix formatting, update commentary.
14668 (dump_definition): Take three separate arguments instead of a
14669 MACRODEF structure argument.
14670 * cpphash.h: Update prototype of dump_definition.
14671 * cppinit.c (cpp_finish): Update call of dump_definition.
14673 * cpplib.c (do_define): Always create new hash entry with
14674 T_MACRO type. Remove redundant check for redefinition of
14675 poisoned identifier. Update call of dump_definition.
14676 (do_undef): Don't call check_macro_name. Rename sym_length to
14678 (do_error, do_warning): Don't use copy_rest_of_line or
14680 (do_warning): Don't use pedwarn for the actual warning,
14681 only the notice about its not being in the standard. (Fixes
14682 bug with #warning in system headers.)
14683 (do_ident): Stricter argument checking - accept only a single
14684 string after #ident. Also, macro-expand the line.
14685 (do_xifdef): Use cpp_defined. De-obfuscate.
14687 (do_pragma): Split out specific pragma handling to separate
14688 functions. Use get_directive_token. Update commentary. Do
14689 not pass on #pragma once or #pragma poison to the front end.
14690 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14691 do_pragma_default): New.
14693 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14695 * jump.c (jump_optimize_1): The first operand in a relational
14696 can be a CONST_INT.
14697 * optabs.c (emit_conditional_move): Handle relationals which
14698 have a known true/false result.
14700 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14702 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14703 a RETURN insn into a block which already ends with a jump.
14705 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14707 * haifa-sched.c (BUF_LEN): Increase a lot.
14709 2000-02-11 Nick Clifton <nickc@cygnus.com>
14711 * configure.in: Add tm_p_file specification for thumb targets.
14712 * configure: Regenerate.
14714 * config/arm/thumb-protos.h: New file: Prototypes for exported
14715 functions defined in thumb.c.
14717 2000-02-11 Robert Lipe <robertl@sco.com>
14719 * Makefile.in (bootstrap-lean): Remove additional files.
14720 (bootstrap2-lean): Likewise.
14721 (VOL_FILES): List of files for above.
14723 2000-02-11 Nathan Sidwell <nathan@acm.org>
14725 * cpphash.c (special_symbol): Remove spurious argument to
14728 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14730 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14732 * configure: Rebuilt.
14734 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14736 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14738 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14740 * pa.c, pa.h: Remove trigraph sequences within comments.
14742 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14744 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14746 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14748 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14750 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14752 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14754 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14756 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14757 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14758 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14759 (ASM_FILE_END): Use c4x_file_end.
14760 * config/c4x/c4x.c (c4x_global_label): New function.
14761 (c4x_external_ref, c4x_file_end): Likewise.
14763 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14764 (c4x_external_ref, c4x_end_file): Likewise.
14766 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14768 * cppexp.c: Don't include cpphash.h.
14769 (parse_charconst, cpp_lex): Use cpp_defined.
14770 (cpp_lex): Use get_directive_token throughout. Remove
14771 unnecessary cases from switch. Move assertion-handling code
14772 down to OTHER case.
14773 (cpp_parse_expr): If we see '+' or '-', check the context to
14774 determine if they are unary or binary operators. Streamline
14775 the jumps a bit. Do not call skip_rest_of_line.
14777 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14778 static. Export get_directive_token. Update commentary.
14779 (cpp_defined): New function.
14780 (do_define): Remove reference to T_PCSTRING. Call
14781 free_definition to release memory for old definition, when
14782 redefining a macro.
14783 (eval_if_expression): Set only_seen_white to 0 before calling
14784 cpp_parse_expr. Call skip_rest_of_line after it returns.
14785 (cpp_read_check_assertion): Don't preserve a pointer into the
14786 token buffer across a call to cpp_get_token.
14788 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14789 * cppfiles.c (redundant_include_p): Use cpp_defined.
14790 * cpphash.c (free_definition): New function.
14791 (delete_macro): Use it. Update commentary.
14792 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14794 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14795 from enum node_type. Prototype cpp_defined and get_directive_token.
14796 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14798 * fix-header.c (check_macro_names): Use cpp_defined.
14799 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14800 the options structure.
14802 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14804 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14806 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14808 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14809 rather than die->die_tag.
14811 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14813 * combine.c (make_extraction, force_to_mode): Avoid warning on
14814 mixed-signedness conditionals.
14815 (make_field_assignment, nonzero_bits): Likewise.
14816 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14817 (store_split_bit_field, extract_split_bit_field): Likewise.
14818 (extract_fixed_bit_field, store_bit_field,
14819 * expr.c: Change alignment to be unsigned everywhere.
14820 (move_by_pieces, store_constructor_field, store_constructor):
14821 Alignment parm is unsigned.
14822 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14823 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14824 (do_compare_rtx_and_jump): Likewise.
14825 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14826 Compare align with GET_MODE_ALIGNMENT.
14827 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14828 (get_inner_reference): Likewise.
14829 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14830 (expand_assignment): Local vars for alignment now unsigned.
14831 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14832 (do_compare_and_jump): Likewise.
14833 (store_field): Call new function expr_align.
14834 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14835 Alignment arg now unsigned.
14836 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14837 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14838 (extract_bit_field): Likewise.
14839 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14840 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14841 (get_best_mode): Alignment arg is unsigned.
14842 * rtl.h (move_by_pieces): Likewise.
14843 * store-layout.c (maximum_field_alignment, set_alignment):
14845 (layout_decl): Alignment arg is now unsigned.
14846 Remove unneeded casts.
14847 (layout_record, layout_union, layout_type): Remove unneeded casts.
14848 Local alignment variables now unsigned.
14849 (get_best_mode): Alignment arg now unsigned.
14850 * tree.c (expr_align): New function.
14851 * tree.h (expr_align): Likewise.
14852 (maximum_field_alignment, set_alignment): Now unsigned.
14853 (get_inner_reference): Alignment argument is now pointer to unsigned.
14854 * varasm.c (assemble_variable): Add cast to eliminate warning.
14856 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14858 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14859 then store directly into op0.
14861 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14862 the CALL_INSN, and emit the note immediately after it.
14864 2000-02-10 Nick Clifton <nickc@cygnus.com>
14866 * config/arm/thumb.md (epilogue): Include a (return) in the
14867 generated insn, and emit it using emit_jump_insn not
14870 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14872 * function.c (assign_temp): Change zero-sized arrays to size 1.
14873 * integrate.c (expand_inline_function): Do not update
14874 stack_alignment_needed
14875 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14876 add some sanity checking, remove optimization for function with
14879 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14881 * flow.c (mark_regs_live_at_end): Delete unused variables.
14883 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14885 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14886 in macro FRAME_GROWS_DOWNWARD.
14888 * stmt.c (expand_end_bindings): Delete unused variable.
14890 * unroll.c (iteration_info): Mark parameter `loop' with
14893 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14895 * fixinc/server.c (load_data): Return NULL if the marker line is
14897 (run_shell): If load_data returns NULL, retry the command once, in
14900 * configure: Rebuilt.
14902 2000-02-09 Bruce Korb <bkorb@gnu.org>
14904 * gcc/fixincludes: ** DELETED **
14905 * gcc/fixcpp: ** DELETED **
14906 * gcc/fixinc-nt.sed: ** DELETED **
14907 * gcc/just-fixinc: ** DELETED **
14908 * gcc/Makefile.in: Removed out-dated commentary
14909 * gcc/configure.in: Removed fast-fixincludes disablement.
14910 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14912 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14913 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14916 2000-02-09 Richard Henderson <rth@cygnus.com>
14918 * jump.c (delete_insn): Don't delete user labels at -O0.
14920 2000-02-09 Robert Lipe <robertl@sco.com>
14922 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
14923 Don't link with HOST_LIBS.
14925 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14927 * configure.in: Correct --help text for --with-dwarf2.
14928 Put tm-dwarf2.h after other tm files, if it's requested.
14929 * configure: Regenerate.
14930 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
14933 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14935 * cpplib.h: Provide HASHNODE typedef and forward decl of
14936 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
14937 DEFINITION, struct hashnode, struct macrodef, struct
14938 definition, scan_decls prototype, default defn of
14939 INCLUDE_LEN_FUDGE moved elsewhere.
14941 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
14942 definition, and struct hashnode moved here. Remove the unused
14943 'predefined' field from struct definition. Replace the 'args'
14944 union with its sole member. All users updated (cpphash.c).
14945 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
14946 multiple include guard.
14948 * cpphash.c (hashf): Make static; use better algorithm; drop
14949 HASHSIZE parameter; return an unsigned int.
14950 (cpp_lookup): Drop HASH parameter. PFILE parameter is
14951 used. Calculate HASHSIZE modulus here.
14952 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
14954 (create_definition): Drop PREDEFINITION parameter.
14955 * cpplib.c (do_define): Don't calculate a hash value here.
14956 Don't pass (keyword == NULL) to create_definition.
14958 * scan.h: Prototype scan_decls here.
14959 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
14960 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
14961 callers of cpp_lookup and cpp_install updated.
14963 * cpphash.c (macarg): Hoist all the flag diddling out of the
14965 (macroexpand): ... and out of the loop that calls macarg.
14966 Skip over the initial paren before macro arguments with
14967 cpp_get_non_space_token; point may be some distance before
14968 that paren. Abort if it's not there.
14970 * cpplib.c (parse_clear_mark): Delete function.
14971 (parse_set_mark, parse_goto_mark): Make static.
14972 (ACTIVE_MARK_P): New macro.
14973 (skip_block_comment, skip_line_comment): Do not bump the line
14974 if ACTIVE_MARK_P is true.
14975 (cpp_pop_buffer): The buffer to be popped may not have an
14977 (cpp_get_token): When looking for the initial paren before
14978 macro arguments, only set a mark in a file buffer, Always
14979 return to that mark before proceeding to call macroexpand or
14980 return a NAME token.
14982 * cpplib.h: Remove prototypes of parse_set_mark,
14983 parse_clear_mark, parse_goto_mark.
14984 (struct cpp_options): Rename 'put_out_comments' to
14985 'discard_comments' and invert its sense.
14986 * cppinit.c, cpphash.c, cpplib.c: All users of
14987 put_out_comments changed to use discard_comments, with
14990 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14992 * function.c (thread_prologue_and_epilogue_insns): Don't delete
14993 the edge from a block that both jumps and falls through to the
14996 2000-02-09 Scott Bambrough <scottb@netwinder.org>
14998 * config/arm/arm.md (movsi): In PIC mode, make sure that a
14999 constant source address is legitimate.
15001 2000-02-09 Philip Blundell <pb@futuretv.com>
15003 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15006 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15008 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15010 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15012 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15013 ends with a newline and a NUL. Don't be so clever manipulating
15016 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15018 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15019 not to BIGGEST_ALIGNMENT.
15021 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15023 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15024 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15025 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15026 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15027 * frame.c (execute_cfa_insn): Handle
15028 DW_CFA_GNU_negative_offset_extended.
15030 2000-02-08 Richard Henderson <rth@cygnus.com>
15032 * flow.c (tidy_fallthru_edges): Split out from ...
15033 (delete_unreachable_blocks): ... here.
15034 (find_basic_blocks): Use it.
15036 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15038 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15040 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15042 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15043 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15044 (fix-header.o): Don't depend on cpphash.h.
15046 * scan.c (hashstr): New function.
15047 * scan.h: Prototype it.
15048 * fix-header.c: Don't include cpphash.h. Use hashstr.
15049 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15050 hashstr. Report hash table statistics. Add private
15051 definition of xrealloc.
15053 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15055 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15057 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15059 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15060 jumps with returns unless they are jumps to the fallthru block.
15062 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15064 * i386.md (addqi3_cc): Fix contraints.
15066 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15068 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15070 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15072 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15073 carriage return after a macro name.
15075 2000-02-07 Fred Fish <fnf@be.com>
15077 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15078 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15080 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15082 * cppfiles.c (deps_output): Count spacers in deps_column.
15084 2000-02-07 Neil Booth <NeilB@earthling.net>
15086 * cppinit.c (initialize_dependency_output): If there is no
15087 suffix, don't try to look for known suffixes. Use strrchr.
15088 (cpp_start_read): Remove duplicate initialization.
15090 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15092 * calls.c (compute_argument_block_size): New argument
15093 preferred_stack_boundary.
15094 (expand_call): update cfun->preferred_stack_boundary, update call of
15095 compute_argument_block_size
15096 (emit_library_call): Increate cfun->preferred_stack_boundary
15097 to PREFERRED_STACK_BOUNDARY
15098 (emit_library_call_value): Likewise.
15099 * explow.c (allocate_dynamic_stack_spave): Likewise.
15100 * function.c (prepare_function_start): Set
15101 cfun->preferred_stack_boundary
15102 * function.h (struct function): Add preferred_stack_boundary field.
15103 * integrate.c (expand_inline_function): Update
15104 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15105 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15106 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15108 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15110 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15111 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15112 cpp_pedwarn, cpp_pedwarn_with_line,
15113 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15114 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15115 v_cpp_error_with_line, v_cpp_warning_with_line,
15116 cpp_message_from_errno, cpp_perror_with_name): Delete.
15118 * cpperror.c (cpp_print_containing_files): Take starting
15119 buffer as argument.
15120 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15121 (v_cpp_message): Now called directly by all entry points.
15123 (cpp_pfatal_with_name, cpp_message): Delete.
15124 (cpp_notice_from_errno, cpp_ice): New functions.
15125 (cpp_notice): Is now for reporting error conditions, just
15126 without an associated file.
15127 (cpp_error, cpp_error_with_line): Don't do anything if
15128 opts->inhibit_errors is on.
15129 (cpp_pedwarn_with_file_and_line): Take column argument also.
15131 * cpplib.h: Update prototypes of exported functions.
15132 (struct cpp_options): Add inhibit_errors.
15134 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15135 non-error messages. Include intl.h.
15137 * cppinit.c, cppmain.c: Likewise. Also, use
15138 cpp_notice_from_errno instead of cpp_perror_with_name or
15139 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15141 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15142 report internal errors.
15144 * cpplib.c (do_define): Switch bcopy to memcpy.
15145 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15147 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15148 bail out early if we hit a line comment.
15150 2000-02-06 Richard Henderson <rth@cygnus.com>
15152 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15153 * basic-block.h: Declare them.
15154 * emit-rtl.h (active_insn_p): New.
15155 (next_active_insn, prev_active_insn): Use it.
15156 * rtl.h: Declare it.
15157 * function.c (emit_return_into_block): New.
15158 (thread_prologue_and_epilogue_insns): Insert return insns instead
15159 of epilogues when possible.
15160 * jump.c (jump_optimize_1): Remove code to insert a return insn
15161 on the fallthru to the exit block.
15163 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15164 and for non-empty stack frames.
15165 * i386.md (return): Expand to return-pop as needed.
15167 2000-02-06 Richard Henderson <rth@cygnus.com>
15169 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15170 constant to op1 for testing.
15172 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15174 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15175 (fixuns_truncqfqi2): Use it.
15177 2000-02-06 Richard Henderson <rth@cygnus.com>
15179 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15180 as a TYPE_LEA insn.
15182 * i386.md (widening and peepholes): Mask the constant instead of
15185 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15187 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15188 input pointer before possibly branching off to the backslash
15190 * cpphash.c (macroexpand): Correctly delete \r escapes when
15191 stringifying parameters.
15192 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15193 if we can; bail out early if we hit a line comment.
15194 (handle_directive): Treat '# 123' in an .S file just like
15195 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15196 Return 1 for '# not_a_directive'.
15197 (get_directive_token): Pop macro buffers here, so that
15198 cpp_get_token can't sneakily move past a newline.
15200 (cpp_get_token): goto randomchar if handle_directive returns 0.
15202 * cppalloc.c: Update copyright.
15203 * cpplib.c: Merge all the static function prototypes into one
15205 * cpplib.h: Remove #if 0 block.
15207 * cpperror.c: Remove #ifdef EMACS block.
15208 * cppmain.c: Likewise.
15209 * cpphash.c: Remove #if 0 blocks.
15210 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15211 * cpplib.c: Remove #if 0 blocks and code referencing
15212 pcp_inside_if or for_lint. Remove duplicate error message.
15213 Fix error messages for #else after #else or #elif. Reformat.
15214 Remove archaic TODO list.
15215 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15217 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15219 * i386/osf1elf.h: Add missing backslash to multiline string.
15221 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15223 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15225 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15227 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15229 * c-common.c: Include expr.h.
15231 * c-pragma.c (mark_align_stack): Add prototype.
15233 * caller-save.c (add_stored_regs): Likewise.
15235 * combine.c (record_promoted_value): Likewise.
15237 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15240 * cppinit.c (new_pending_define): Likewise.
15242 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15244 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15245 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15246 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15247 class_scope_p): Likewise.
15249 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15250 dwarf2out_add_library_unit_info): Likewise.
15252 * ggc.h (ggc_page_print_statistics): Likewise.
15254 * haifa-sched.c (propagate_deps): Likewise.
15256 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15258 * rtl.h (set_stack_check_libfunc): Likewise.
15260 * toplev.h (set_fatal_function): Likewise.
15262 * toplev.c (set_fatal_function): Delete prototype.
15264 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15266 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15268 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15269 (FUNC_END): Likewise.
15271 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15273 * caller-save.c: Include tm_p.h.
15275 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15277 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15279 2000-02-04 Neil Booth <NeilB@earthling.net>
15281 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15284 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15286 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15287 * genflags.c: Use the max_operand_1 logic from genemit.c to
15288 calculate how many arguments gen_insn prototypes have. Remove
15289 NO_MD_PROTOTYPES ifdefs from the generated file.
15290 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15291 file. Cast gen_insn initializers to insn_gen_fn.
15292 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15293 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15295 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15297 * fixinc/Makefile.in (HDR): Add machname.h.
15300 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15302 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15303 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15304 (c4x_cpu_version): Ditto.
15305 * config/c4x/c4x-protos.h: ... here.
15307 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15309 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15310 gen_abstract_function on our context if we're a nested function.
15312 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15314 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15315 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15317 2000-02-04 Bruce Korb <bkorb@gnu.org>
15319 * fixinc/genfixes(machname.h):
15320 Move the functionality from gen-machine.h into this file.
15321 UNdef MN_NAME_PAT if there are no names to change.
15322 Also, be a little kinder when AutoGen is not present.
15324 * fixinc/Makefile.in(machname.h):
15325 Change the generation rule to use genfixes.
15327 * fixinc/fixfixes.c(machine_name):
15328 machine_name_fix's functionality now dependent upon whether
15329 MN_NAME_PAT is defined.
15331 * fixinc/fixtests.c(machine_name):
15334 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15337 * fixinc/fixlib.h(mn_get_regexps):
15340 * fixinc/gen-machine.h: DELETED
15342 2000-02-04 Jan Hubicka <jh@suse.cz>
15343 Richard Henderson <rth@cygnus.com>
15345 * i386.c (SAVE_REGS_FIRST): Remove.
15346 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15347 (ix86_compute_frame_size): Likewise.
15348 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15349 (ix86_emit_restore_regs): Remove.
15350 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15351 when a frame pointer is in use.
15352 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15353 instead of pop to restore a register when profitable; emit leave
15355 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15356 as a TYPE_LEA insn.
15357 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15358 * i386.md (prologue_allocate_stack): Remove.
15359 (epilogue_deallocate_stack): Remove.
15360 (pro_epilogue_adjust_stack): New.
15362 2000-02-04 Richard Henderson <rth@cygnus.com>
15364 * function.c (diddle_return_value): Rework to use a callback function.
15365 Use current_function_return_rtx if it's been set up.
15366 (do_clobber_return_reg, clobber_return_register): New.
15367 (do_use_return_reg, use_return_register): New.
15368 (expand_function_end): Use them.
15369 * stmt.c (expand_null_return): Likewise.
15370 * function.h: Declare them.
15371 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15372 (mark_reg): Change arguments as appropriate for callback.
15373 * integrate.c (expand_inline_function): Revert 19 Jan change.
15375 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15377 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15378 (Misc): Say the scheduler, not the Haifa scheduler.
15380 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15382 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15383 when in_mem is set. Update all callers.
15385 2000-02-04 Richard Henderson <rth@cygnus.com>
15387 * i386/openbsd.h (INT_ASM_OP): Define.
15389 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15391 * tm.texi: Fix various typos.
15393 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15395 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15396 (MD_STARTFILE_PREFIX_1): New macro.
15398 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15400 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15401 destination when needed.
15402 (strmovsi, strsetsi): New expander.
15403 (strmovsi_1, strsetsi_1): New pattern.
15404 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15405 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15406 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15407 * invoke.texi (align-stringops, inline-all-stringops): Document.
15409 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15411 * i386/netbsd.h (INT_ASM_OP): Define.
15413 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15415 * cpplib.h (cpp_reader): Add new flag, no_directives.
15416 * cpphash.c (macarg): Set it.
15417 * cpplib.c (handle_directive): If no_directives is on and we
15418 find a directive, issue an error and discard the line.
15420 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15422 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15423 FP constants. Add ! TARGET_FPU check for FP constants.
15425 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15427 * flow.c (find_basic_blocks): Don't kill label_value_list
15429 (cleanup_cfg): Kill it here.
15431 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15433 * expr.c (store_field): Ensure ALIGN is no stricter than the
15436 2000-02-02 Richard Henderson <rth@cygnus.com>
15438 * jump.c (delete_insn): Partially revert 19 Jan change;
15439 don't convert unused code labels to notes at -O0.
15441 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15443 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15444 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15446 2000-02-01 Richard Henderson <rth@cygnus.com>
15448 * i386.c (general_no_elim_operand): New.
15449 (nonmemory_no_elim_operand): New.
15450 (ix86_expand_move): Copy eliminable operands before a push.
15451 * i386-protos.h: Declare new functions.
15452 * i386.h (CAN_ELIMINATE): Simplify.
15453 (PREDICATE_CODES): Update.
15454 * i386.md (push insns): Don't allow eliminable register operands.
15456 2000-02-01 Richard Henderson <rth@cygnus.com>
15458 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15459 replace BLKmode with DECL_RTL's mode.
15461 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15463 * frame.c (find_fde): Convert for loop to do-while so compiler
15464 sees it's always executed at least once.
15465 * libgcc2.c (BBINBUFSIZE): Kill.
15466 (__bb_init_prg): Use fgets.
15467 (__bb_exit_trace_func): Don't paste strings.
15468 * unroll.c (unroll_loop): Initialize unroll_type, not
15469 unroll_number, and tweak logic to match.
15471 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15473 (ix86_flags_dependant): Likewise. Disentangle control flow.
15474 (ix86_sched_reorder): Break guts out to
15475 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15476 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15479 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15480 use string concatenation. Don't save and restore esi.
15482 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15483 (machname.h): Remove script to separate file. Use two-step
15484 sequence so target is not created if script fails.
15485 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15486 identifiers are defined.
15487 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15488 an empty string, machine_name doesn't need to do anything at
15490 (is_cxx_header): Add more cases to regexp.
15491 * fixinc/fixlib.h: Update prototype.
15492 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15494 * fixinc/fixincl.c: Define NO_BOGOSITY.
15496 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15497 (hp_sysfile): Add missing comma.
15498 (math_exception): Put the wrapper ifdefs at the beginning and
15499 the end of the file.
15500 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15502 2000-02-01 Richard Henderson <rth@cygnus.com>
15504 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15505 Use CONST0_RTX. Update all callers.
15506 * sparc.h, sparc-protos.h: Update accordingly.
15507 * sparc.md (fp mov insns): Use fp_zero_operand directly
15510 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15512 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15515 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15517 * Makefile.in (specs.ready): New target.
15518 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15520 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15522 * fixinc.irix: Use unique filenames for writing into /tmp,
15523 * fixinc.ptx: Likewise.
15524 * fixinc.sco: Likewise.
15525 * fixinc.svr4: Likewise.
15526 * fixinc.winnt: Likewise.
15528 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15530 * tsystem.h: New file.
15532 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15533 s-crtS): Depend on tsystem.h.
15535 * crtstuff.c: Include tsystem.h.
15536 * frame.c: Likewise.
15537 * libgcc2.c: Likewise.
15539 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15541 * builtins.c (expand_builtin_memset): Expand for variable sized
15544 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15546 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15549 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15551 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15553 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15555 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15557 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15558 case 3->2 combining (combining with splitting) in which 2 is CC0
15559 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15560 checked at the begining of the function with the aid of calling
15561 function 'can_combine_p'.
15563 2000-01-31 Dave Brolley <brolley@redhat.com>
15565 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15567 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15569 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15572 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15574 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15576 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15579 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15581 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15582 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15583 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15584 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15585 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15586 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15587 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15588 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15589 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15590 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15592 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15593 Add %(cpp_cpu) to CPP_SPEC.
15595 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15596 Add %(cc1_cpu) to CC1_SPEC.
15598 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15600 * c-decl.c (c_decode_option): Accept optional numeric argument to
15601 -Wformat and set warn_format.
15602 * c-common.c: Don't emit warning about non-constant printf format
15603 string unless warn_format > 1.
15605 2000-01-30 Richard Henderson <rth@cygnus.com>
15607 * alpha.md (return_internal): Allow after reload only.
15609 2000-01-30 Richard Henderson <rth@cygnus.com>
15611 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15612 local frame size is zero.
15614 2000-01-30 Richard Henderson <rth@cygnus.com>
15616 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15617 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15618 * alpha.md (return): Turn into an expander.
15619 (return_internal): Don't use $26.
15620 (epilogue): Emit the return insn.
15622 2000-01-30 Richard Henderson <rth@cygnus.com>
15624 * alpha.md (negtf2, abstf2): Fix word order thinko.
15625 (extendsftf2): New.
15626 (trunctfsf2): Avoid intermediate rounding errors.
15628 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15630 * cppfiles.c (find_position): Drop 'colp' argument, return the
15632 (read_and_prescan): Adjust to match. Don't ever manipulate
15633 line or line_base except via find_position.
15635 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15637 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15638 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15641 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15643 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15644 just print "<command line>". If 'filename' is null or an
15645 empty string, print "<stdin>" for the filename.
15646 * cpplib.c (do_define): Don't print the 'location of the
15647 previous definition' message if we're still parsing the
15649 (cpp_pedwarn_with_file_and_line): Always call
15650 cpp_file_line_for_message.
15652 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15654 * flow.c (mark_regs_live_at_end): Fix typo.
15656 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15658 * c-common.c: Adjust variable names, comments, help strings to c99.
15659 * c-lex.c: Likewise.
15660 * c-parse.y: Likewise.
15661 * c-tree.h: Likewise.
15662 * cccp.c: Likewise.
15663 * cpplib.h: Likewise.
15664 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15665 * cppinit.c: Likewise.
15667 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15669 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15670 * c4x.c: Define the optab rtx values.
15671 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15672 (c4x_emit_libcall): Use new optab rtx values.
15673 (c4x_emit_libcall3): Likewise.
15674 (c4x_emit_libcall_mulhi): Likewise.
15675 * c4x-protos.h: Add prototypes for optab rtx values and change
15676 prototypes for above c4x_emit_libcall functions.
15678 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15680 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15682 (c4x_function_prologue): Use regnames intead of float_reg_names when
15684 (c4x_function_epilogue): Likewise.
15685 (c4x_print_operand): Likewise.
15686 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15687 * c4x.md (set_high): Disable for TARGET_TI.
15689 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15691 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15692 of framepointer + constant to ADDR_REGS class.
15693 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15694 * c4x.c (std_or_reg_operand): New function.
15695 * c4x-protos.h (std_or_reg_operand): Prototype it.
15697 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15699 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15700 object names as libgcc2.c.
15701 * libgcc.S: Use newly defined names.
15703 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15704 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15706 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15707 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15708 (FLOW_LOOP_LAST_BLOCK): Likewise.
15710 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15712 * basic-block.h (struct loop): New fields 'first' and 'last'.
15713 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15714 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15715 and loop->last to check for NOTE_INSN_LOOP_END.
15717 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15719 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15720 of the loop descriptor rather than HEADER and LATCH. Also added
15721 missing break statements as well making some coding style modifications
15722 as suggested by Michael Hayes.
15724 2000-01-28 Richard Henderson <rth@cygnus.com>
15726 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15727 Break out that code ...
15728 (cleanup_cfg): ... here.
15729 (commit_one_edge_insertion): Detect a return instruction being
15730 emitted to an edge. Emit a barrier following; clear fallthru.
15731 (commit_edge_insertions): Verify CFG consistency.
15732 * function.c (expand_function_start): Kill unused variable.
15733 (expand_function_end): Likewise.
15734 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15735 to insert the epilogue.
15737 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15738 (delete_null_pointer_checks): Likewise.
15739 * output.h: Likewise.
15740 * reg-stack.c (reg_to_stack): Likewise.
15741 * toplev.c (rest_of_compilation): Likewise. Run
15742 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15744 2000-01-28 Richard Henderson <rth@cygnus.com>
15746 * Makefile.in (flow.o): Revert 24 Jan change.
15747 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15748 FUNCTION_VALUE result to DECL_RESULT's mode.
15750 * haifa-sched.c (schedule_insns): Don't recompute reg info
15753 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15755 * configure.in: Make --enable-cpplib the default.
15756 * configure: Regenerate.
15757 * gcc.dg/990119-1.c: No longer expected to fail.
15759 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15761 * jump.c (jump_optimize_1): Delete an optimization that is also done
15762 by merge_blocks in flow.
15764 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15766 * diagnostic.c (build_message_string, output_printf,
15767 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15768 (build_location_prefix): Fix non-literal format string.
15770 2000-01-27 Richard Henderson <rth@cygnus.com>
15772 * alpha.md (trunctfsf2): New.
15774 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15776 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15778 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15780 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15782 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15784 (skip_comment) ... here. Permit C++ comments in system
15785 headers always. Warn about C++ comments in user code under
15786 -std=gnu89 -pedantic.
15787 (copy_comment): Use skip_comment.
15788 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15790 (consider_directive_while_skipping, do_else, do_endif): Call
15791 validate_else unconditionally.
15792 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15793 text after the conditional in a system header.
15794 * cpplib.h (struct cpp_buffer): Add flag
15795 warned_cplusplus_comments.
15797 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15799 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15800 Use unshare_all_rtl_1.
15801 (unshare_all_rtl_again): New function.
15802 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15804 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15805 rather than resetting the 'used' flags ourself.
15807 * toplev.c (rest_of_compilation): Add current_function_decl
15808 to the unshare_all_rtl call.
15809 * tree.h: Prototype unshare_all_rtl.
15810 * rtl.h: Prototype unshare_all_rtl_again here.
15812 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15814 * genoutput.c (output_prologue): Include ggc.h in generated
15816 * Makefile.in (insn-output.o): Depends on ggc.h.
15818 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15819 Hans-Peter Nilsson <hp@bitrange.com>
15821 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15822 Remove redundant include of xm-ns32k.h.
15823 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15824 Remove redundant include of xm-ns32k.h.
15825 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15826 Remove redundant include of xm-ns32k.h.
15827 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15829 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15830 (TARGET_SWITCHES): Add documentation strings.
15831 (DWARF_FRAME_REGNUM): Override default definition.
15832 (REG_CLASS_CONTENTS): Add comments.
15833 (SUBSET_P): Format to reduce line length.
15834 (SMALL_REGISTER_CLASSES): Make a run time option.
15835 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15836 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15837 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15838 (regclass_map): fix typo in comment.
15839 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15840 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15841 (trace, reg_or_mem_operand): Delete, unused function.
15842 (calc_address_cost): Small offsets are cheaper than large ones.
15843 (expand_block_move): Generate more efficient code when bytes is a
15844 known at compile time.
15845 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15846 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15847 instead of reg_or_mem_operand.
15849 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15850 not general_operand. Similarly use "=rm" or stricter, not "=g".
15851 For input operands, use stricter constraints than "g" if not
15852 general_operand. Similarly use stricter predicate than
15853 "general_operand" when stricter constraints than "g" are present,
15854 except for matching constraints.
15855 (movstrsi): Use "memory_operand" for operands 0 and 1.
15856 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15857 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15858 not reg_or_mem_operand.
15859 (udivmoddisi4): Ditto.
15860 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15861 Use nonimmediate_operand for operand 3, not register_operand.
15862 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15863 reg_or_mem_operand.
15865 2000-01-27 Fred Fish <fnf@be.com>
15867 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15868 * gthr-single.h: Likewise.
15869 * gthr-solaris.h: Likewise.
15870 * gthr-vxworks.h: Likewise.
15871 * gthr-win32.h: Likewise.
15872 * gthr.h: Likewise.
15874 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15876 * cppinit.c: Add " (cpplib)" to end of string printed by
15879 2000-01-27 Richard Henderson <rth@cygnus.com>
15881 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15882 testing for a signed comparison.
15883 (alpha_emit_floatuns): New.
15884 * alpha-protos.h: Declare it.
15885 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15886 (extendsfdf2): Tidy.
15888 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15890 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15891 no -g option specifying debugging format, default to -gstabs+.
15893 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15895 * calls.c (special_function_p): New argument fork_or_exec.
15896 (expand_call): When profile_arc_flag is set and the function
15897 is in the fork_or_exec group, call __bb_fork_func first.
15898 * libgcc2.c, _bb module (__bb_fork_func): New function.
15899 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15901 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15902 * tree.h (special_function_p): Update prototype.
15904 2000-01-26 Richard Henderson <rth@cygnus.com>
15906 * alpha.c (alpha_split_tfmode_pair): New.
15907 * alpha-protos.h: Declare it.
15908 * alpha.md (abstf2, negtf2): New.
15909 (movtf insn): Add input G constraint.
15910 (movtf splitter): Use alpha_split_tfmode_pair.
15912 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15914 * i386/cygwin.h: PROTO -> PARAMS.
15916 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15918 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15919 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15920 using _Qp_cmp/_Q_cmp and testing the return value.
15921 (print_operand): Call reverse_condition_maybe_unordered if
15922 we are handling CCFPmode or CCFPEmode.
15923 Handle ORDERED, UN* and LTGT comparisons.
15924 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
15925 if not TARGET_HARD_QUAD.
15926 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
15927 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
15928 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
15929 Adjust gen_b* calls so that they reflect return comparison of
15930 sparc_emit_float_lib_cmp.
15932 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15934 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
15935 incoming operands array is large enough for one more operand.
15936 (alpha_emit_xfloating_arith): Likewise.
15938 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15940 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
15941 file with one line and no trailing newline.
15942 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
15943 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
15944 checking if the match is on the line.
15945 * fixinc/gnu-regex.c: Provide regerror not __regerror.
15947 2000-01-25 Richard Henderson <rth@cygnus.com>
15949 * sparc.c (output_cbranch): Fix accidental squashing of the
15950 fp branch pre-delay nop.
15952 2000-01-25 Richard Henderson <rth@cygnus.com>
15954 * tree.def (UNNE_EXPR): Remove.
15955 * c-typeck.c (build_binary_op): Don't handle it.
15956 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
15958 * rtl.def (UNNE): Remove.
15960 * jump.c (reverse_condition): Update accordingly.
15961 (swap_condition): Likewise.
15962 (comparison_dominates_p): Handle unordered comparisons.
15963 (reverse_condition_maybe_unordered): New.
15964 * rtl.h (reverse_condition_maybe_unordered): Declare.
15966 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
15967 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
15968 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
15969 * sparc.md (bltgt): New.
15971 2000-01-25 Nick Clifton <nickc@redhat.com>
15973 * emit-rtl.c (emit_insn): Only check machine class insns for
15974 improper emission of a RETURN.
15976 2000-01-25 Richard Henderson <rth@cygnus.com>
15978 * Makefile.in (flow.o): Depend on $(EXPR_H).
15979 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
15980 duplicate the structure of diddle_return_value for keeping regs live.
15982 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15984 * loop.c (current_loop_info): Delete.
15985 (consec_sets_invariant_p): Add loop argument, update callers.
15986 (get_condition_for_loop): Likewise.
15987 (count_nonfixed_reads, update_giv_derive): Likewise.
15988 (simplify_giv_expr, general_induction_var): Likewise.
15989 (consec_sets_giv, recombine_givs): Likewise.
15990 (move_movables): Delete loop_start and loop_end arguments,
15991 add loop argument, and update callers.
15992 (find_mem_givs, check_final_value): Likewise.
15993 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
15994 (loop_invariant_p): Rename from invariant_p, add loop argument, and
15996 (basic_induction_var): Add loop argument, delete loop_level argument,
15997 and update callers.
15998 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
15999 add loop argument, and update callers.
16000 (find_splittable_regs, find_splittable_givs): Likewise.
16001 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16002 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16003 (biv_total_increment): Delete loop_start and loop_end arguments;
16005 (precondition_loop_p): Delete loop_start and loop_info arguments;
16007 * loop.h (get_condition_for_loop): Add loop argument.
16008 (biv_total_increment): Delete loop_start and loop_end arguments.
16009 (precondition_loop_p): Delete loop_start and loop_info arguments;
16011 (final_biv_value): Delete loop_start and loop_end arguments;
16013 (final_giv_value, back_branch_in_range_p): Likewise.
16015 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16017 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16019 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16021 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16022 point to the new "generated_files" doc.
16024 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16026 * config/fp-bit.c (_unord_f2): Fix typo.
16028 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16030 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16031 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16032 functions obsoleted by GC, such as push_obstacks_nochange,
16033 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16034 and code which existed only to decide whether or not to call
16035 them. Remove now-unused NESTED argument from start_function;
16036 all callers changed. Do not change behavior based on ggc_p.
16037 The use of the ixp_obstack in c-iterate.c and the util_obstack
16038 in objc/objc-act.c remain; these are not obsoleted by garbage
16040 * c-tree.h: Update prototype for start_function.
16042 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16044 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16046 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16049 2000-01-25 Richard Henderson <rth@cygnus.com>
16051 * sparc-protos.h (select_cc_mode): Declare.
16052 * sparc.c (select_cc_mode): New. Handle unordered compares.
16053 (output_cbranch): Always reverse via code change. Handle
16054 unordered compares. Factor tests and string updates.
16055 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16056 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16057 * sparc.md (bunordered, bordered): New.
16058 (bungt, bunlt, buneq, bunge, bunle): New.
16060 2000-01-25 Richard Henderson <rth@cygnus.com>
16062 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16063 * ggc-common.c (ggc_add_rtx_varray_root): New.
16064 (ggc_mark_rtx_varray): New.
16065 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16066 functions down below ggc_mark_foo.
16067 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16069 2000-01-25 Richard Henderson <rth@cygnus.com>
16071 * alpha.c (secondary_reload_class): Don't allocate a secondary
16072 for integral mode memories into FLOAT_REGS. Rearrange the more
16073 complicated memory expression inward.
16075 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16077 * inclhack.def: Fixes to play nicer with FreeBSD, and
16078 corrections to comments.
16079 (cxx_unready): Add select expression.
16080 (irix_sockaddr): Add bypass expression.
16081 (machine_ansi_h_va_list): New fix.
16082 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16083 Split out addition of "#include <stdarg.h>" to...
16084 (stdio_stdarg_h): ... here.
16085 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16086 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16087 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16089 (ultrix_ifdef): Tighten up select expression.
16091 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16092 re_ct and max_mach to avoid use of shell. Make printed names
16093 match names in inclhack.def. Use static copyright date.
16094 Don't count c_test and test expressions as requiring regex_t
16095 slots. Add some commentary.
16096 * inclhack.tpl: Do not include the 'This script contains N
16097 fixup scripts' line if PROGRAM is defined. Use static
16100 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16102 * dwarf2out.c: include "varray.h", not dyn-string.h.
16103 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16104 (addr_const_to_string, addr_to_string): Lose.
16105 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16106 (struct dw_val_struct): val_addr is now an rtx.
16107 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16108 (used_rtx_varray): New varray.
16109 (dwarf2out_init): Initialize it.
16110 (save_rtx): New fn.
16111 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16113 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16114 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16115 * Makefile.in (dwarf2out.o): Update dependencies.
16117 2000-01-24 Richard Henderson <rth@cygnus.com>
16119 * i386.c (i386_dwarf_output_addr_const): New.
16120 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16122 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16124 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16125 * i386.c (i386_simplify_dwarf_addr): New.
16126 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16128 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16130 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16131 TYPE_STUB_DECL is NULL.
16133 2000-01-24 Richard Henderson <rth@cygnus.com>
16135 * builtins.c (expand_tree_builtin): Move ...
16136 * c-common.c (expand_tree_builtin): ... here.
16138 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16140 * loop.h (LOOP_INFO): New accessor macro.
16141 * basic-block.h (struct loop): Rename field `info' to `aux'.
16142 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16143 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16144 * unroll.c (loop_iterations, unroll_loop): Likewise.
16146 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16148 * config/i386/t-cygwin: Accomodate new winsup directory layout
16149 when searching for include files.
16151 2000-01-24 Richard Henderson <rth@cygnus.com>
16153 * rtl.def: Add unordered fp comparisions.
16154 * tree.def: Likewise.
16155 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16157 * builtins.c (expand_tree_builtin): New function.
16158 * c-typeck.c (build_function_call): Use it.
16159 (build_binary_op): Support unordered compares.
16160 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16162 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16163 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16164 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16165 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16166 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16168 (swap_condition): Handle unordered compares.
16169 (thread_jumps): Check can_reverse before reversing.
16170 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16173 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16174 setcc is present before acking for cmp_optab. Update all callers.
16175 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16176 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16177 * expr.c (expand_expr): Likewise. Support unordered compares.
16178 (do_jump, do_store_flag): Likewise.
16179 * expr.h (enum libfunc_index): Add unordered compares.
16181 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16182 (DPBIT_FUNCS): Add _unord_df.
16183 * config/fp-bit.c (_unord_f2): New.
16184 * fp-test.c (main): Try unordered compare builtins.
16186 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16187 * alpha.c (alpha_comparison_operator): Check mode properly.
16188 (alpha_swapped_comparison_operator): Likewise.
16189 (signed_comparison_operator): Likewise.
16190 (alpha_fp_comparison_operator): New.
16191 (alpha_emit_conditional_branch): Handle unordered compares.
16192 * alpha.h (PREDICATE_CODES): Update.
16193 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16194 (bunordered, bordered): New.
16196 2000-01-24 Richard Henderson <rth@cygnus.com>
16198 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16199 * alpha.md (movtf): New expander, insn, and splitter.
16201 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16203 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16206 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16208 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16209 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16210 REG_ALLOC_ORDER): Add frame pointer
16211 (FRAME_POINTER_REGNUM): Set to 20
16212 (HARD_FRAME_POINTER_REGNUM): New macro.
16213 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16214 to HARD_FRAME_POINTER.
16215 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16216 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16217 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16218 (HI_REGISTER_NAMES): Add "frame".
16219 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16220 (debug_reg): Handle FRAME_POINTER_REGNUM.
16221 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16222 GENERAL_REGS and INDEX_REGS.
16223 * i386.c (SAVED_REGS_FIRST): new macro.
16224 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16225 (ix86_decompose_address, memory_address_length): Likewise.
16226 (regclass_map): Add frame pointer.
16227 (call_insn_operand): Handle frame_pointer_rtx.
16228 (reg_no_sp_operand): Likewise.
16229 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16230 (print_operand, legitimize_pic_address): Fix formating.
16231 (ix86_compute_frame_size): Make static, update prototype, new
16232 parameters padding1, padding2, use ix86_nsaved_regs, use
16233 stack_alignment_needed.
16234 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16235 to HARD_FRAME_POINTER_REGNUM conversions.
16236 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16237 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16238 (print_reg): Abort on FRAME_POINTER_REGNUM
16240 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16242 * i386.h (PREDICATE_CODES): Add aligned_operand.
16243 * i386.c (aligned_operand): New function.
16244 (ix86_aligned_p): Kill.
16245 * i386.md (movhi_1): Emit mov for aligned operands.
16246 (promoting peep2s): Use aligned_operand.
16248 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16250 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16251 expression to allow underscores in macro names.
16252 (fix_char_macro_defines): Increment scanning pointer.
16254 2000-01-23 Richard Henderson <rth@cygnus.com>
16256 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16257 * alpha/osf5.h: New file.
16258 * configure.in (alpha-*-osf5): Add it to tm_file.
16260 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16262 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16263 (alpha_emit_xfloating_cvt, function_arg): Declare.
16264 * alpha.c (alpha_emit_conditional_branch): Call
16265 alpha_emit_xfloating_compare for TFmode compares.
16266 (alpha_lookup_xfloating_lib_func): New.
16267 (alpha_compute_xfloating_mode_arg): New.
16268 (alpha_emit_xfloating_libcall): New.
16269 (alpha_emit_xfloating_arith): New.
16270 (alpha_emit_xfloating_compare): New.
16271 (alpha_emit_xfloating_cvt): New.
16272 (print_operand): Add default abort case.
16273 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16274 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16275 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16276 (RETURN_IN_MEMORY): True for TF/TCmode.
16277 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16278 (FUNCTION_ARG): Move to function_arg.
16279 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16280 (ASM_OUTPUT_LONG_DOUBLE): New.
16281 (ASM_OUTPUT_DOUBLE): Always output bits.
16282 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16283 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16284 (extenddftf2, trunctfdf2): New.
16286 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16288 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16289 * config/sparc/sol2.h: ... here.
16291 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16293 * basic-block.h (struct loops): New field `levels'.
16294 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16295 (flow_loop_level_compute): Initialise level to 1.
16296 (flow_loops_find): Set loops->levels.
16297 (flow_loops_dump): Print loops->levels.
16299 2000-01-23 Richard Henderson <rth@cygnus.com>
16301 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16302 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16304 2000-01-23 Richard Henderson <rth@cygnus.com>
16306 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16307 * i386.h (DBX_REGISTER_NUMBER): Use them.
16308 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16309 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16310 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16311 * i386/sequent.h: Kill incorrect comment.
16313 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16315 * ggc-page.c (struct page_entry): Make `context_depth' an
16317 (struct globals): Likewise.
16319 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16321 * loop.c (check_dbra_loop): When checking a loop for
16322 reversability, check the source of any stores to ensure
16323 they don't depend on an initial value.
16325 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16327 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16329 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16331 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16332 'pz_scan' into scope of entire function. Only affects
16333 compiles with -DDEBUG.
16335 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16337 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16338 section naming to that prior to 2000-01-07 patch.
16339 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16340 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16341 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16342 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16343 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16345 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16347 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16350 2000-01-21 Jim Wilson <wilson@cygnus.com>
16352 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16353 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16355 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16357 * cpphash.c (change_newlines): Delete function.
16358 (struct argdata): Delete 'newlines' and 'use_count' fields.
16359 (macroexpand): Remove code referencing those fields.
16361 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16363 * loop.c (loops_info): New variable.
16364 (loop_optimize): Allocate loops->array and free it on exit.
16365 Allocate memory for loops_info and assign to each loop,
16367 (find_and_verify_loops): Do not allocate loops->array.
16369 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16371 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16373 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16375 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16376 pseudos if expanded after first flow.
16377 (movdi_pic_label_ref): Likewise.
16379 2000-01-20 Richard Henderson <rth@cygnus.com>
16381 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16383 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16385 * Makefile.in (fixinc.sh): Depend on specs.
16386 * fixinc/Makefile.in: Add rule to create machname.h.
16387 (fixlib.o): Depend on machname.h.
16388 * fixinc/fixtests.c (machine_name): New test.
16389 * fixinc/fixfixes.c (machine_name): New fix.
16390 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16391 the machine_name test and fix.
16392 * fixinc/fixlib.h: Prototype it.
16393 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16394 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16396 * gcc.c (do_spec_1) [case P]: Take care not to create
16397 identifiers with three leading or trailing underscores.
16399 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16400 (fixincl): Don't specify libraries twice on link line.
16401 (gnu-regex.o): Remove special rule.
16402 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16403 defined by config.h. Do not define _REGEX_RE_COMP.
16404 (regcomp): Allocate and initialize a fastmap.
16405 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16407 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16409 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16411 2000-01-19 Richard Henderson <rth@cygnus.com>
16413 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16414 arguments with BB. Update all callers. Tidy line wrapping.
16416 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16418 * emit-rtl.c (try_split): Return last_insn if we split the
16421 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16423 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16424 (ix86_initial_elimination_offset): Declare.
16425 * i386.c (ix86_nsaved_regs): Break out from ...
16426 (ix86_can_use_return_insn_p): ... here.
16427 (ix86_emit_save_regs): Break out from ...
16428 (ix86_expand_prologue): ... here.
16429 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16431 (ix86_expand_epilogue): ... here.
16432 (ix86_compute_frame_size): Make static, add prototype.
16433 (ix86_initial_elimination_offset): Break out from ...
16434 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16436 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16438 * recog.h (OUT_FCN): Delete.
16440 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16442 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16444 * cppalloc.c: PROTO -> PARAMS.
16445 * cpperror.c: Likewise.
16446 * cppfiles.c: Likewise.
16447 * cpplib.c: Likewise.
16448 * cpplib.h: Likewise.
16450 * config/arm/arm-protos.h: PROTO -> PARAMS.
16451 * config/arm/arm.c: Likewise.
16452 * config/c4x/c4x.c: Likewise.
16453 * config/fr30/fr30-protos.h: Likewise.
16454 * config/nextstep.c: Likewise.
16455 * config/pa/pa.c: Likewise.
16456 * config/pj/pj.c: Likewise.
16457 * config/rs6000/rs6000.c: Likewise.
16458 * config/v850/v850-protos.h: Likewise.
16459 * config/v850/v850.c: Likewise.
16461 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16463 * i370-protos.h: New file.
16465 * i370.c: Include tm_p.h. Fix compile time warnings.
16467 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16470 * i370.md: Likewise.
16472 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16474 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16475 (target_isinf, target_isnan, eisnan): Mark parameter with
16477 (eiisinf): Wrap in INFINITY.
16478 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16479 (ibmtoe): Remove unused variable `rndsav'.
16481 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16483 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16484 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16486 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16488 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16489 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16490 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16492 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16493 Recognize Emacs mode markers also.
16494 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16495 C++ comments in C++ headers. Call is_cxx_header only if
16498 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16499 bypass for ncurses.
16500 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16501 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16502 ... these, which use the new C fixes.
16503 (math_exception): Escape literal '+' in bypass expression.
16505 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16508 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16510 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16513 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16515 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16516 prior to calling scan_loop.
16518 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16520 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16521 (split_branches, calc_live_regs): Likewise.
16523 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16525 * sh.md (fpu_single, fp_mode): New attributes.
16527 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16529 * loop.c (current_loop_info): Renamed from loop_info_data
16530 and changed to a pointer.
16531 (loop_optimize): Allocate loop_info structure for each loop
16532 and initialise to zero.
16533 (scan_loop): Set current_loop_info.
16535 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16538 2000-01-19 Richard Henderson <rth@cygnus.com>
16540 * stupid.c: Die die die.
16541 * Makefile.in (OBJS): Remove stupid.o.
16542 (stupid.o): Likewise.
16544 * except.c (emit_eh_context): Don't emit USEs for stupid.
16545 * explow.c (probe_stack_range): Likewise.
16546 * flags.h (obey_regdecls): Remove.
16547 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16548 when not optimizing.
16549 (life_analysis): Limit data collection when not optimizing.
16550 (mark_regs_live_at_end): Always mark the return value registers.
16551 (mark_used_regs): Remove dummy RETURN case.
16552 (print_rtl_with_bb): Don't consult obey_regdecls.
16553 * function.c (use_variable, use_variable_after): Remove.
16554 (assign_parms): Consult optimize not obey_regdecls.
16555 (expand_function_start): Don't emit USEs for stupid.
16556 (expand_function_end): Likewise.
16557 * global.c (build_insn_chain): Export.
16558 * integrate.c (expand_inline_function): Kill return-value USE
16560 * jump.c (jump_optimize_1): Do simple jump optimizations and
16561 dead code elimination.
16562 (calculate_can_reach_end): Remove check_deleted argument.
16563 (delete_insn): Patch out insns even when not optimizing.
16564 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16565 * rtl.h (use_variable, use_variable_after): Remove declarations.
16566 (build_insn_chain): Declare.
16567 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16568 (expand_end_bindings): Likewise.
16569 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16570 * toplev.c (obey_regdecls): Remove.
16571 (rest_of_compilation): Don't set it. Kill stupid in favour of
16572 flow1, local-alloc, and reload.
16573 (main): Don't set obey_regdecls.
16575 * config/nextstep.c (handle_pragma): Likewise.
16577 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16579 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16581 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16583 * alpha-protos.h: PROTO -> PARAMS.
16584 * alpha.c: Likewise.
16586 * h8300.c: Likewise.
16587 * i386-protos.h: Likewise.
16588 * i386.c: Likewise.
16589 * m32r-protos.h: Likewise.
16590 * m32r.c: Likewise.
16591 * mips.c: Likewise.
16592 * mips.md: Likewise.
16593 * gmon-sol2.c: Likewise.
16594 * sparc.c: Likewise.
16596 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16598 * ns32k-protos.h: New file.
16600 * ns32k.c: Fix compile time warnings.
16602 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16605 * ns32k.md: Likewise.
16607 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16609 * vax-protos.h: New file.
16611 * vax.c: Fix compile time warnings.
16613 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16616 * vax.md: Likewise.
16618 * vaxv.md: Likewise.
16620 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16622 * romp-protos.h: New file.
16624 * romp.c: Fix compile time warnings.
16626 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16629 * romp.md: Likewise.
16631 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16633 * we32k-protos.h: New file.
16635 * we32k.c: Fix compile time warnings.
16637 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16640 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16642 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16644 * except.c (eh_regs): Likewise.
16646 * final.c (output_operand): Likewise.
16648 * fold-const.c (target_isinf, target_isnan): Likewise.
16650 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16652 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16653 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16655 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16656 when optimize_size.
16657 (clrstrsi): Rewrite.
16658 (strsethi, strsetqi): New expanders.
16659 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16660 (cmpstrsi): Emit compare insn before cmpstrsi_1
16661 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16662 (strlensi_1): Likewise.
16663 (cmpstrsi_1): Likewise; do not output compare.
16664 (strlen expander): Do not unroll when optimizing for size.
16665 (*subsi3_carry): Rename to subsi3_carry
16666 (addqi3_cc): New pattern.
16667 * i386.h (processor_costs): Add move_ratio field.
16668 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16669 * i386.c (*_cost): Set move_ratio.
16670 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16671 (x86_expand_strlensi_1): Rewrite the main loop.
16673 2000-01-17 Richard Henderson <rth@cygnus.com>
16675 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16676 * cse.c (find_comparison_args, fold_rtx): Likewise.
16677 * integrate.c (subst_constants): Likewise.
16678 * loop.c (get_condition): Likewise.
16680 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16682 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16684 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16686 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16687 (RESTORE_WARN_FLAGS): Unpack it.
16688 Change semantic type of extension to ttype.
16689 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16690 * c-parse.y, c-parse.c, objc/objc-parse.y,
16691 objc/objc-parse.c: Regenerate.
16693 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16695 * fixinc/fixlib.c: Add copyright notice.
16696 (compile_re): New function.
16697 * fixinc/fixlib.h: Prototype compile_re.
16699 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16700 Use compile_re to compile regular expressions.
16702 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16703 where the pattern matched.
16705 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16707 (ultrix_ansi_compat): Likewise.
16708 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16710 (interactv_add2, interactv_add3): Delete.
16711 (x11_sprintf): Don't use filename glob.
16712 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16715 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16717 * print-rtl.c: PROTO -> PARAMS.
16718 * real.c: Likewise.
16719 * reg-stack.c: Likewise.
16720 * resource.c: Likewise.
16721 * sdbout.h: Likewise.
16722 * simplify-rtx.c: Likewise.
16723 * stor-layout.c: Likewise.
16724 * stupid.c: Likewise.
16725 * xcoffout.c: Likewise.
16726 * xcoffout.h: Likewise.
16728 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16730 * toplev.c: PROTO -> PARAMS.
16731 * toplev.h: Likewise.
16732 * tree.c: Likewise.
16733 * tree.h: Likewise.
16734 * unroll.c: Likewise.
16735 * varasm.c: Likewise.
16736 * varray.c: Likewise.
16737 * varray.h: Likewise.
16739 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16741 * reload.c: PROTO -> PARAMS.
16742 * reload.h: Likewise.
16743 * reload1.c: Likewise.
16744 * reorg.c: Likewise.
16745 * resource.h: Likewise.
16748 * rtlanal.c: Likewise.
16749 * sbitmap.h: Likewise.
16750 * sdbout.c: Likewise.
16751 * stack.h: Likewise.
16752 * stmt.c: Likewise.
16753 * system.h: Likewise.
16755 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16757 * machmode.h: PROTO -> PARAMS.
16758 * mbchar.h: Likewise.
16759 * mips-tdump.c: Likewise.
16760 * mips-tfile.c: Likewise.
16761 * optabs.c: Likewise.
16762 * output.h: Likewise.
16763 * prefix.c: Likewise.
16764 * profile.c: Likewise.
16765 * protoize.c: Likewise.
16766 * real.h: Likewise.
16767 * recog.c: Likewise.
16768 * recog.h: Likewise.
16769 * regclass.c: Likewise.
16770 * regmove.c: Likewise.
16771 * regs.h: Likewise.
16773 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16775 * ggc-common.c: PROTO -> PARAMS.
16776 * ggc-page.c: Likewise.
16777 * ggc-simple.c: Likewise.
16779 * global.c: Likewise.
16780 * graph.c: Likewise.
16781 * gthr-win32.h: Likewise.
16782 * haifa-sched.c: Likewise.
16783 * halfpic.h: Likewise.
16784 * integrate.c: Likewise.
16785 * integrate.h: Likewise.
16786 * jump.c: Likewise.
16788 * local-alloc.c: Likewise.
16789 * loop.c: Likewise.
16790 * loop.h: Likewise.
16792 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16794 * genattr.c: PROTO -> PARAMS.
16795 * genattrtab.c: Likewise.
16796 * gencheck.c: Likewise.
16797 * gencodes.c: Likewise.
16798 * genconfig.c: Likewise.
16799 * genemit.c: Likewise.
16800 * genextract.c: Likewise.
16801 * genflags.c: Likewise.
16802 * gengenrtl.c: Likewise.
16803 * genopinit.c: Likewise.
16804 * genoutput.c: Likewise.
16805 * genpeep.c: Likewise.
16806 * genrecog.c: Likewise.
16808 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16810 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16812 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16814 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16815 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16816 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16817 * configure, config.in: Rebuilt.
16819 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16821 * config/i386/i386.md: Add peephole to merge successive stack
16824 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16826 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16827 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16828 when walking backwards to find all the parameter loads when
16829 the basic block ends in a call.
16831 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16833 * loop.c (this_loop_info): Delete.
16834 (uid_loop): Add in place of uid_loop_num. All uses updated.
16835 (loop_number_exit_count): Delete and replace with entry in loop
16836 structure. All uses updated.
16837 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16838 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16839 (loop_outer_loop): Likewise.
16840 (loop_invalid, loop_number_exit_labels): Likewise.
16841 (loop_used_count_register): Delete and replace with entry in
16842 loop_info structure.
16843 (find_and_verify_loops): Add loops argument.
16844 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16845 loop_end, etc. arguments with loop structure pointer. All callers
16847 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16848 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16849 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16850 (insert_bct): Likewise.
16851 (basic_induction_var): New argument level.
16852 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16853 vtop, and cont. Add used_count_register.
16854 (uid_loop): Delete declaration.
16855 (loop_number_exit_count): Likewise.
16856 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16857 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16858 (loop_outer_loop, loop_used_count_register): Likewise.
16859 (loop_invalid, loop_number_exit_labels): Likewise.
16860 (unroll_loop): Replace loop_start and loop_end arguments
16861 with loop structure pointer.
16862 (loop_precondition_p, loop_iterations): Likewise.
16863 Include basic-block.h.
16864 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16865 with loop structure pointer.
16866 (loop_precondition_p, loop_iterations): Likewise.
16867 * basic-block.h (struct loop): New entries vtop, cont,
16868 cont_dominator, start, end, top, scan_start, exit_labels,
16870 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16872 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16874 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16876 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16878 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16880 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16882 * pdp11-protos.h: New file.
16884 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16887 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16890 * pdp11.md: Likewise.
16892 * 2bsd.h: Likewise.
16894 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16896 * mn10300-protos.h: New file.
16898 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16901 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16904 * mn10300.md: Likewise.
16906 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16908 * mn10200-protos.h: New file.
16910 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16913 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16916 * mn10200.md: Likewise.
16918 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16920 * h8300-protos.h: New file.
16922 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
16925 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
16928 * h8300.md: Likewise.
16930 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16932 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
16933 (asm_emit_uninitialised): Likewise.
16935 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
16937 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
16938 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
16940 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16942 * config/mips/mips.c (override_options): Don't turn on extra
16943 alignment for mips16.
16945 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16947 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
16948 eabi, and make sure queued POSTINCREMENT rtl is emitted at
16951 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16953 * builtins.c (PAD_VARARGS_DOWN): Define.
16954 (std_expand_builtin_va_arg): Use the above macro.
16955 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
16956 * tm.texi (Register Arguments): Document the above macro.
16958 2000-01-14 Nick Clifton <nickc@cygnus.com>
16960 * emit-rtl.c (emit_insn): If checking is enabled, make sure
16961 that this function has not been used to emit a jump
16964 * jump.c (return_jump_1): Cope with being passed a null rtx.
16966 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16968 * eh-common.h: PROTO -> PARAMS.
16969 * emit-rtl.c: Likewise.
16970 * errors.c: Likewise.
16971 * errors.h: Likewise.
16972 * except.c: Likewise.
16973 * except.h: Likewise.
16974 * explow.c: Likewise.
16975 * expmed.c: Likewise.
16976 * expr.c: Likewise.
16977 * expr.h: Likewise.
16978 * final.c: Likewise.
16979 * fix-header.c: Likewise.
16980 * flow.c: Likewise.
16981 * fold-const.c: Likewise.
16982 * function.c: Likewise.
16983 * function.h: Likewise.
16985 * gcov-io.h: Likewise.
16986 * gcov.c: Likewise.
16987 * gcse.c: Likewise.
16989 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16991 * sh-protos.h: New file.
16993 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
16994 Add static prototypes. Fix compile time warnings.
16996 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17000 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17002 * arc-protos.h: New file.
17004 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17007 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17010 * arc.md: Likewise.
17012 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17014 * dsp16xx-protos.h: New file.
17016 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17019 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17022 * dsp16xx.md: Likewise.
17024 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17026 * convex-protos.h: New file.
17028 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17031 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17034 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17036 * elxsi-protos.h: New file.
17038 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17041 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17044 * elxsi.md: Likewise.
17046 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17048 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17049 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17050 match the comment for MIPS16.
17052 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17054 * flow.c (split_edge): Do not call set_block_for_insn if we
17055 do not have a basic_block_for_insn structure.
17057 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17058 and destination functions are 32bit aligned within the trampoline.
17059 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17060 (TRAMPOLINE_ALIGNMENT): Define.
17062 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17063 (set (pc) (label_ref)), verify the change creates a valid insn.
17065 * fr30.c (call_operand): Tighten and rework to match rules for
17066 call RTL expressions.
17067 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17068 * fr30.md (call patterns): Improve constraints.
17070 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17072 * fr30.c (fr30_expand_epilogue): Revert last change.
17073 Use emit_jump_insn for the return insn.
17075 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17076 Stan Cox <scox@cygnus.com>
17078 * predict.c: New file. Preliminary infrastructure work for static
17079 branch prediction and basic block reordering.
17080 * basic-block.h: Add prototype for estimate_probability.
17081 * Makefile.in: Add rules for predict.o.
17083 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17085 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17086 * fixinc/*: Likewise.
17088 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17090 * cccp.c: PROTO -> PARAMS.
17091 * cexp.y: Likewise.
17092 * collect2.c: Likewise.
17093 * combine.c: Likewise.
17094 * convert.h: Likewise.
17096 * dbxout.c: Likewise.
17097 * dbxout.h: Likewise.
17098 * diagnostic.c: Likewise.
17099 * doprint.c: Likewise.
17100 * dwarf2out.c: Likewise.
17101 * dwarf2out.h: Likewise.
17102 * dwarfout.c: Likewise.
17103 * dwarfout.h: Likewise.
17104 * dyn-string.h: Likewise.
17106 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17108 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17109 macro conditionals guarding use.
17111 * dwarf2out.c: Include "tm_p.h".
17113 * function.c (locate_and_pad_parm): Mark parameter with
17115 (expand_function_end): Likewise for variable `context'.
17117 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17119 2000-01-13 Nick Clifton <nickc@cygnus.com>
17121 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17122 register to prevent compile time warnings.
17124 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17126 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17127 to avoid -Wtraditional warning.
17129 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17131 * 1750a-protos.h: New file.
17133 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17136 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17139 * 1750a.md: Likewise.
17141 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17143 * a29k-protos.h: New file.
17145 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17148 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17151 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17153 * clipper-protos.h: New file.
17155 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17158 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17161 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17163 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17165 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17167 * configure.in (--enable-new-gxx-abi): New option.
17168 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17169 * Makefile.in (GXX_ABI_FLAG): New variable.
17170 * configure: Regenerate.
17172 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17174 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17175 * tm.texi (FORCE_STRUCT_BLK): Document.
17176 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17178 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17180 * config/ns32k/ns32k.md: Revert Jan 9 change.
17182 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17183 to a mode-test, if the predicate is address_operand.
17185 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17187 * combine.c (if_then_else_cond): Be careful about what kinds
17188 of RTL expressions are passed to operand_subword.
17190 * flow.c (split_edge): If we have to insert a new jump, make
17191 sure to associate it with a basic block.
17193 * flow.c (commit_one_edge_insertion): A block with one successor
17194 can end in a JUMP_INSN that is not a simplejump.
17196 2000-01-12 Robert Lipe <robertl@sco.com>
17198 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17199 (BUILD_VA_LIST_TYPE): Define.
17200 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17203 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17205 * cccp.c (do_pragma): Add cast to (char *).
17207 2000-01-12 Richard Henderson <rth@cygnus.com>
17208 Fred Fish <fnf@be.com>
17209 Jason Merrill <jason@cygnus.com>
17211 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17212 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17213 * i386/beos-elf.h, i386/beos-pe.h: New files.
17215 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17216 * cross-make (SYSTEM_HEADER_DIR): Define using
17217 CROSS_SYSTEM_HEADER_DIR.
17219 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17220 (process_command): Use it.
17221 (main): Likewise. Kill trailing = from env vars.
17222 (build_search_list): Put it back.
17223 * collect2.c (main): Use LIBRARY_PATH_ENV.
17225 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17226 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17228 * tm.texi (Frame Layout): Document SMALL_STACK.
17229 * c-common.c (c_common_nodes_and_builtins): Check it.
17231 * system.h: Undef alloca after including glibc's <stdlib.h>,
17232 if USE_C_ALLOCA is defined.
17234 * gcc.c (set_input): New fn.
17235 (main): After all input files are compiled, reset the input file
17238 * aclocal.m4 (rindex, index): If already defined, don't attempt
17241 * ginclude/varargs.h: (__va_list__): Define ifndef.
17242 * ginclude/stdarg.h: Likewise.
17244 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17245 instead of unsigned char.
17247 * hash.h (true, false, boolean): Undef before enum.
17249 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17250 proper type of "HOST_WIDE_INT *", rather than their natural type of
17251 "unsigned HOST_WIDE_INT *".
17253 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17255 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17257 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17259 * regclass.c (choose_hard_reg_mode): Likewise.
17261 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17263 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17265 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17267 * c-common.c: PROTO -> PARAMS.
17268 * c-common.h: Likewise.
17269 * c-decl.c: Likewise.
17270 * c-iterate.c: Likewise.
17271 * c-lang.c: Likewise.
17272 * c-lex.c: Likewise.
17273 * c-lex.h: Likewise.
17274 * c-parse.in: Likewise.
17275 * c-pragma.c: Likewise.
17276 * c-pragma.h: Likewise.
17277 * c-tree.h: Likewise.
17278 * c-typeck.c: Likewise.
17279 * objc/objc-act.c: Likewise.
17280 * objc/objc-act.h: Likewise.
17282 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17284 * m88k-protos.h: New file.
17286 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17289 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17291 * m88k.md: Likewise.
17293 * tekXD88.h: Likewise.
17295 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17297 * m68k-protos.h: New file.
17299 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17302 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17304 * mot3300.h: Likewise.
17306 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17308 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17310 (extract_bitlist): Declare bitlen.
17312 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17314 * cccp.c: Accept and ignore -lang-fortran.
17316 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17317 qualifiers don't match at any level of pointerness.
17319 2000-01-12 Robert Lipe <robertl@sco.com>
17321 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17323 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17325 * reload1.c (reload_reg_unavailable): New static variable.
17326 (reload_reg_free_p): Test it.
17327 (reload_reg_free_for_value_p): Test it instead of
17329 (choose_reload_regs_init): Compute it.
17331 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17333 * reorg.c (fill_slots_from_thread): Check modified_in_p
17336 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17338 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17339 these nodes even if INTERNALS is not set.
17341 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17343 * gcse.c (delete_null_pointer_checks_1): Cope when
17344 get_condition cannot determine the condition.
17346 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17348 * toplev.h (set_message_length): Declare.
17350 * diagnostic.c (obstack_chunk_alloc): Define macro.
17351 (obstack_chunk_free): Likewise.
17352 (struct output_buffer): New data structure.
17353 (vmessage): Remove.
17354 (output_maximum_width): New variable.
17355 (doing_line_wrapping, set_message_length, init_output_buffer,
17356 get_output_prefix, output_space_left, emit_output_prefix,
17357 output_newline, output_append, output_puts, dump_output,
17358 vbuild_message_string, build_message_string, build_location_prefix,
17359 voutput_notice, output_printf, line_wrapper_printf,
17360 vline_wrapper_message_with_location): New functions. Implement
17361 automatic line wrapping.
17362 (v_message_with_decl): Make it handle automatic line wrapping.
17363 (v_error_with_file_and_line): Likewise.
17364 (v_warning_with_file_and_line): Likewise.
17365 (announce_function): Likewise.
17366 (default_print_error_function): Likewise.
17368 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17370 * cpplib.h (struct cpp_options): Change lang_asm to char.
17372 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17373 done in cpp_handle_option now.
17374 (initialize_builtins): Take out special case code used only by
17376 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17377 if -traditional. Recognize -lang-fortran and set
17378 lang_fortran, also turn off cplusplus_comments.
17379 (print_help): Document -lang-fortran.
17380 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17381 lang_asm. Ignore all directives other than `# 123 "file"' if
17383 (cpp_get_token): If -traditional, don't recognize directives
17384 unless the # is in column 1.
17385 (parse_string): If lang_fortran or lang_asm, silently
17386 terminate strings ('' or "") at end of line.
17387 Remove unnecessary braces.
17389 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17390 Richard Henderson <rth@cygnus.com>
17392 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17394 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17395 strict_low_part when possible.
17397 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17399 * alias.c: PROTO -> PARAMS.
17400 * basic-block.h: Likewise.
17401 * bitmap.c: Likewise.
17402 * bitmap.h: Likewise.
17403 * builtins.c: Likewise.
17404 * c-aux-info.c: Likewise.
17405 * caller-save.c: Likewise.
17406 * calls.c: Likewise.
17408 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17410 * Makefile.in (toplev.o): Depend on regs.h.
17412 * output.h (tdesc_section): Prototype.
17414 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17416 * sdbout.c: Include "tm_p.h".
17418 * toplev.c: Include "regs.h".
17420 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17422 * unroll.c (unroll_loop): Add EH support.
17424 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17426 * pa-protos.h: New file.
17428 * pa.c: Include recog.h and tm_p.h.
17429 (compute_zdepwi_operands, compute_movstrsi_length,
17430 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17431 find_addr_reg, import_milli): Add static prototypes.
17432 (pa_cpu_string, pa_arch_string): Constify a char*.
17433 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17434 (read_only_operand): Add argument `mode'.
17435 (singlemove_string, output_move_double, output_fp_move_double,
17436 output_block_move, output_and, output_ior, output_ascii,
17437 remove_useless_addtr_insns, milli_names, output_mul_insn,
17438 output_div_insn, output_mod_insn, output_arg_descriptor,
17439 output_cbranch, output_bb, output_bvb, output_dbra, ,
17440 output_millicode_call, output_call, hppa_encode_label,
17441 output_parallel_movb, output_parallel_addb): Constify a char*.
17442 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17443 (output_parallel_addb): Remove extra arg to `constrain_operands'
17445 * pa.h: Move all prototypes to pa-protos.h.
17446 (pa_cpu_string, pa_arch_string): Constify a char*.
17447 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17449 * pa.md: Call `function_label_operand' with mode argument.
17450 Likewise for `read_only_operand'.
17451 Fix nesting of parens in call to `symbolic_operand'.
17453 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17455 * i860-protos.h: New file.
17457 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17460 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17462 * i860.md: Likewise.
17464 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17466 * i386.md (movstrsi expander): Rewrite.
17467 (movstrsi_1 insn): Deleted.
17468 (strmovhi, strmovqi expander): New expanders.
17469 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17470 * i386.c (x86_single_stringop): New global variable.
17471 * i386.h (x86_single_stringop): Declare.
17472 (TARGET_SINGLE_STRINGOP): New macro.
17474 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17476 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17477 integer vararg POSTINCREMENT before the destination of the jump
17478 for the hard fp case.
17479 (function_arg_pass_by_reference): Pass a copy of CUM to
17482 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17483 for CONSTANT_ADDRESS_P above while loop for subreg.
17485 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17487 * flow.c (propagate_block): When a prologue/epilogue insn
17488 is marked dead, unconditionally clear libcall_is_dead and
17489 insn_is_dead, and only dump rtl if warnings aren't being
17492 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17494 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17495 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17496 (FIXED_REGISTERS): Set dirflag as fixed.
17497 (CALL_USED_REGISTERS): Set dirflag as used.
17498 (REG_ALLOC_ORDER): Set dirflag as last one.
17499 (DIRFLAG_REG): New macro.
17500 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17501 (HI_REGISTER_NAMES): Add dirflag.
17502 (DEBUF_PRINT_REG): Handle dirflag.
17503 * i386.md (type attribute): New cld and str types.
17504 (length_opcode attribute): Set cld and str to 1.
17505 (memory attribute): Set str to unknown - it is not clear from the
17507 (pent_np function unit): Prefixed string operations takes 12 cycles
17508 minimally; cld takes 2 cycles.
17509 (ppro_uops attribute): Str is "many" and cld is "few".
17510 (ppro_p0 unit): Handle cld here.
17511 (k6_alux unit): Handle cld and str types.
17512 (k6_load unit): It is ocupied by str opcodes.
17513 (k6_store unit): It is ocupied by str opcodes.
17514 (athlon_decode): Str is vector decoded.
17515 (athlon_ieu): Handle str and cld.
17516 (cld pattern): New.
17517 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17518 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17519 cmpstrsi_nz_1 insn): Do not output cld instruction
17521 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17523 * gcc.texi (G++ and GCC): Add Java and Chill.
17524 (Bug Critera): Don't list languages.
17526 * gcc.texi (Incompatibilities): No longer claim most C compilers
17529 * gcc.texi (G++ and GCC): Update other front-ends list.
17531 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17533 * i386.c (ix86_expand_setcc): Fix typo.
17534 (ix86_expand_movcc): Similarly.
17536 * Band-aid until haifa's bitset implementation is nuked.
17537 * haifa-sched.c (extract_bitlst): New parameter for size of the
17538 bitset in bits. All callers changed. Avoid looking at undefined
17539 bits in the bitset.
17540 (edgeset_bitsize): New variable.
17541 (schedule_region): Initialize edgeset_bitsize.
17543 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17545 * Makefile.in (optabs.o): Depend on real.h
17546 (resource.o): Depend on insn-attr.h
17548 * builtins.c (result_vector): Wrap prototype in macro conditions
17549 governing definition and use.
17551 * c-common.c: Include tm_p.h.
17553 * c-lex.c: Likewise.
17555 * elfos.h: Constify a char*.
17557 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17558 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17559 parameter with ATTRIBUTE_UNUSED.
17561 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17564 * haifa-sched.c (schedule_insns): Mark parameter with
17567 * optabs.c: Include real.h.
17569 * real.h (ereal_atof): Add prototype arguments.
17571 * resource.c: Include insn-attr.h.
17573 * sdbout.c (sdbout_queue_anonymous_type,
17574 sdbout_dequeue_anonymous_types): Wrap in macro
17575 SDB_ALLOW_FORWARD_REFERENCES.
17576 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17579 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17581 * stupid.c: Include tm_p.h.
17583 * tree.c (real_value_from_int_cst): Mark parameter with
17586 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17588 * i960-protos.h: New file.
17590 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17593 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17595 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17597 * combine.c (expand_field_assignment): Do not discard SUBREGs
17598 while computing nonzero_bits.
17600 2000-01-09 Nick Clifton <nickc@cygnus.com>
17602 * config/arm/arm.c: Fix compile time warnings about signed vs
17603 unsigned constants.
17604 * config/arm/arm.h: Fix compile time warnings about signed vs
17605 unsigned constants.
17607 2000-01-09 Philip Blundell <philb@gnu.org>
17609 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17610 than `ldm' with only one register.
17611 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17614 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17617 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17619 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17622 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17624 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17625 assignment used as truth value.
17627 * function.c (assign_temp): Mark parameter `dont_promote' with
17628 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17629 PROMOTE_FOR_CALL_ONLY.
17631 * genrecog.c (write_subroutine): Mark variable `operands' with
17634 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17637 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17638 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17640 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17643 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17645 * config/c4x.h: Tidy up comments.
17646 * config/c4x.c: Likewise.
17648 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17650 * fold-const.c (lshift_double, rshift_double): Handle
17651 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17653 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17655 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17656 in prepare_function_start().
17658 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17660 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17661 longer allocate extra stack for function calls.
17663 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17665 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17667 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17669 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17671 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17673 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17674 * aix43.h: Revert Aug 2 change.
17675 (HAS_INIT_SECTION): Define, not visible yet.
17676 (LD_INIT_SWITCH): Define, not visible yet.
17677 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17679 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17681 * collect2.c (main): Expand ld2 size further.
17682 (export_object_lst): Cast assignment to avoid warning.
17683 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17684 (scan_prog_file, COFF): Do not collect initialization or
17685 finalization functions generated for entire shared object if
17686 init/fini support present.
17688 2000-01-07 Nick Clifton <nickc@cygnus.com>
17690 * config/elfos.h: Tidy up formatting of marcos. Make sure
17691 that .section directives are always prefixed by a tab.
17693 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17696 2000-01-07 Matt Austern <austern@sgi.com>
17698 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17701 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17703 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17705 (crtbegin.o, s-crtS): Likewise.
17707 2000-01-06 Richard Henderson <rth@cygnus.com>
17709 * alpha.md (adddi_2+1): Limit offset such that it will be
17710 loadable with a single ldah+lda pair.
17711 (adddi_2+2): Explicitly fail split if we can't make it work.
17713 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17715 * protoize.c: Conditionally include unistd.h.
17716 (IS_SAME_PATH_CHAR): New macro.
17717 (IS_SAME_PATH): New macro.
17718 (CPLUS_FILE_SUFFIX): New macro.
17719 (cplus_suffix): New static variable.
17720 (is_abspath): New static function.
17721 (in_system_include_dir): Handle DOS style pathnames.
17722 (file_could_be_converted): Likewise.
17723 (file_normally_convertible): Likewise.
17724 (directory_specified_p): Likewise.
17725 (file_excluded_p): Likewise.
17726 (abspath): Likewise.
17727 (shortpath): Likewise.
17728 (referenced_file_is_newer): Likewise.
17729 (save_def_or_dec): Likewise.
17730 (do_processing): Likewise.
17732 (edit_file): Likewise. Use rename instead of link.
17733 (rename_c_file): Likewise. Don't rename syscalls file.
17734 (munge_compile_params): Define null device for DOS based systems.
17735 (process_aux_info_file): Use binary mode if appliable.
17736 (edit_file): Likewise.
17737 * invoke.texi (Running Protoize): Document C++ suffixes used.
17739 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17740 IS_DIR_SEPARATOR macros.
17741 * collect2.c: Likewise.
17742 * cppinit.c: Likewise.
17743 * dwarf2out.c: Likewise.
17745 * gcov.c: Likewise.
17746 * prefix.c: Likewise.
17748 * toplev.c: Likewise.
17749 * system.h: And move to here.
17751 * prefix.c (update_path): Fix typo in variable name.
17753 2000-01-06 Richard Henderson <rth@cygnus.com>
17755 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17756 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17757 (count_reg_sets_1, count_reg_references): Likewise.
17758 (flow_loops_level_compute): Start counting actual loop depth at 1.
17759 (flow_loops_find): Likewise.
17760 * local-alloc.c (update_equiv_regs): Likewise.
17761 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17763 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17765 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17766 FIRST_PSEUDO_REGISTER
17767 * dwarf2out.c: Don't include frame.h
17768 * dwarfout.c: Likewise
17769 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17772 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17774 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17777 * i386.c (movsf splitter): Fix typo in my last checkin.
17779 2000-01-05 Nick Clifton <nickc@cygnus.com>
17781 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17782 own definition of this macro.
17783 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17784 flag_data_sections or UNIQUE_SECTION_P are true.
17786 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17787 unitialised data decls.
17789 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17790 being called for uninitialised data.
17792 * config/i386/interix.c (i386_pe_unique_section): Cope with
17793 being called for uninitialised data.
17795 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17796 for uninitialised data.
17798 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17799 for uninitialised data.
17801 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17802 for uninitialised data.
17804 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17805 (UNIQUE_SECTION_P): Always generate a unique section if
17806 flag_data_sections is true.
17807 (UNIQUE_SECTION): Also generate unique sections for
17808 uninitialised data.
17809 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17810 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17813 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17815 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17818 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17820 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17821 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17822 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17823 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17824 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17826 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17828 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17830 * c-decl.c (finish_enum): Simplify code to determine minimum and
17831 maximum values of the enum, and calculate the type. Remove check
17832 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17833 the DECL_INITIAL of each enumeration constant with a copy converted
17834 to the enumeration type. When updating variant types, don't bother
17835 updating the type itself.
17837 * c-typeck.c (build_binary_op): Simplify conditional expressions
17838 when weeding out spurious signed-unsigned warnings. Add new
17839 spurious warning category: if the unsigned quantity is an enum
17840 and its maximum value fits in signed_type(result_type). Update
17842 (build_conditional_expr): Warn here if one alternative is signed
17843 and the other is unsigned.
17845 2000-01-05 Nick Clifton <nickc@cygnus.com>
17847 * config/fr30/fr30.h: Remove extraneous comments.
17849 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17851 * reload1.c (choose_reload_regs): When disabling a reload, also
17852 set reload_spill_index to -1.
17854 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17856 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17858 (m68*-*-rtemself*): New target.
17859 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17860 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17861 (sparc*-*-rtemself*): New target.
17862 (sparc*-*-rtems*): Now elf not a.out.
17863 * config/i386/rtems.h: Include config/rtems.h.
17864 * config/i386/rtemself.h: Include config/rtems.h.
17865 * config/i960/rtems.h: Include config/rtems.h.
17866 * config/m68k/rtems.h: Include config/rtems.h.
17867 * config/m68k/rtemself.h: Include config/rtems.h.
17868 * config/mips/rtems64.h: Include config/rtems.h.
17869 * config/pa/rtems.h: Include config/rtems.h.
17870 * config/rs6000/rtems.h: Include config/rtems.h.
17871 * config/sh/rtems.h: Include config/rtems.h.
17872 * config/sh/rtemself.h: Include config/rtems.h.
17873 * config/sparc/rtems.h: Include config/rtems.h.
17874 * config/sparc/rtemself.h: Include config/rtems.h
17876 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17878 * final.c (shorten_branches): Correctly compute length of
17879 asms without operands.
17881 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17883 * configure.in: Add pj target.
17884 * configure: Regenerate.
17885 * config/pj: New directory.
17886 * config/pj/lib1funcs.S: New file.
17887 * config/pj/linux.h: New file.
17888 * config/pj/pj.c: New file.
17889 * config/pj/pj.md: New file.
17890 * config/pj/pjl.h: New file.
17891 * config/pj/t-pj: New file.
17892 * config/pj/xm-pj.h: New file
17894 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17896 * toplev.c (rest_of_compilation): Run shorten-branches before
17899 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17901 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17902 macros so that they're consistent with their names.
17903 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17904 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17906 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17908 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17909 modified inadvertently.
17911 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17913 * configure.in (v850*-*-rtems*): New target.
17914 * configure: Regenerate.
17915 * config/v850/rtems.h: New file.
17917 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17919 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17920 (__gthread_key_create): Likewise.
17921 (__gthread_key_dtor): Likewise.
17922 (__gthread_once): Fix logic.
17923 (__gthread_key_delete): Cast away constness.
17925 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
17926 * invoke.texi: Document.
17927 * i386/mingw32.h (CPP_SPEC): Use.
17928 (LIBGCC_SPEC): Likewise.
17929 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
17931 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17933 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
17934 (HANDLE_PRAGMA_PACK): Undefine.
17935 (SLOW_UNALIGNED_ACCESS): Define.
17937 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17939 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17940 to default definition.
17941 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
17942 (store_fixed_bit_field): Call macro with word_mode and alignment.
17943 (extract_bit_field): Call macro with relevant mode and alignment.
17944 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17945 to default definition.
17946 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
17948 (move_by_pieces_ninsns): Likewise.
17949 (clear_by_pieces): Likewise.
17950 (emit_push_insn): Likewise.
17951 (store_field): Call macro with relevant mode and alignment.
17952 (expand_expr): Likewise.
17953 (expand_expr_unaligned): Likewise.
17955 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
17956 (SLOW_UNALIGNED_ACCESS): Define.
17957 (CASE_VECTOR_MODE): Always use 32-bit offsets.
17958 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
17959 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
17960 (toc_section): Likewise and .toc pseudo-op.
17961 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
17963 (TEXT_SECTION_ASM_OP): Likewise.
17964 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
17967 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
17968 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
17969 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
17970 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
17971 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
17973 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
17975 * regclass.c: Revert my Jan 4 change to loop cost computation.
17977 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17979 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
17982 2000-01-04 Stan Cox <scox@cygnus.com>
17984 * haifa-sched.c (build_control_flow): Change unreachable simple
17985 loop test to check if current block has only one predecessor.
17986 (find_rgns): Initialize degree. Use dest as degree index, not src.
17988 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17990 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
17992 * calls.c (expand_call): Likewise for
17993 `old_stack_arg_under_construction'.
17995 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
17997 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18000 * gcc.c (execute): Likewise for `ut' and `st'.
18002 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18004 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18006 * jump.c (jump_optimize_1): Likewise for `temp2'.
18008 * local-alloc.c (block_alloc): Likewise for `r1'.
18010 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18012 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18013 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18015 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18018 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18019 and `goal_earlyclobber'.
18021 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18023 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18025 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18027 * unroll.c (copy_loop_body): Likewise for `copy'.
18029 * varasm.c (output_constructor): Likewise for `byte'.
18031 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18033 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18034 all FP constants for constant->reg moves.
18035 (ix86_split_to_parts): Try to convert memory address into immediate
18036 when available in the constant pool.
18037 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18039 (LEGITIMATE_CONSTANT_P): Return 1.
18040 * i386.md (pushsf): New splitter to convert constant pool memory
18041 reference to immediate.
18042 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18045 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18047 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18048 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18049 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18050 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18051 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18053 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18055 * ginclude/stdbool.h: Support compilation as C++.
18057 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18059 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18061 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18063 * regclass.c (regclass): Properly compute loop_cost. Adjust
18066 * regclass.c: Fix minor whitespace problems.
18068 2000-01-03 Anthony Green <green@cygnus.com>
18070 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18071 Restore the pic register if required.
18073 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18075 * c-common.c (format_char_info): Update comment.
18076 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18077 was recognized. Emit warning for formats new in ISO C99 only
18078 if flag_isoc9x is not set.
18080 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18082 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18084 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18086 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18087 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18088 (make_compound_operation): Choose cheaper alternative between
18089 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18091 * regclass.c (op_costs): Remove global variable.
18092 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18093 (record_operand_costs): Break out from ...
18094 (scan_one_insn): ... here.
18095 (dump_regclass): Make dumps nicer.
18096 (regclass): Dump preferrences choosed and changes done during passes.
18098 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18100 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18102 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18104 * config/sparc/sparc.c (gen_df_reg): New function.
18105 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18106 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18107 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18108 movtf_cc_reg_sp64+1): Use it.
18110 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18112 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18113 copied LABEL_DECLs.
18115 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18117 * config/i386/i386.c (ix86_expand_unary_operator): Function
18118 definition made void.
18119 (ix86_expand_binary_operator): Update outdated preceding comment.
18120 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18123 * config/i386/i386.c (override_options): Fix option-name typo.
18125 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18127 * system.h (CEIL): Define.
18128 * builtins.c (CEIL): Remove.
18129 * expmed.c (CEIL): Likewise.
18130 * expr.c (CEIL): Likewise.
18131 * stor-layout.c (CEIL): Likewise.
18133 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18135 * expr.c (store_constructor_field): Fix typo introduced with last
18138 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18140 * tree.h (BINFO_N_BASETYPES): New macro.
18142 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18144 * expmed.c (emit_store_flag): Prevent losing a pending stack
18145 adjust the same way we prevent losing queued increments.
18147 See ChangeLog.2 for earlier changes.