1 2000-07-15 Michael Meissner <meissner@redhat.com>
3 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
4 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
5 create a new node instead.
7 2000-07-15 Neil Booth <NeilB@earthling.net>
9 * README.Portability: Correct example about calling a function
10 through a pointer to function. Format wide paragraphs.
12 2000-07-15 Michael Meissner <meissner@redhat.com>
14 * README.Portability: Update integer suffixes and function
17 2000-07-15 Neil Booth <NeilB@earthling.net>
19 * README.Portability: Small update.
21 2000-07-15 Neil Booth <NeilB@earthling.net>
23 * README.Portability: New file.
25 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
27 * INSTALL: Give special instructions for building GCC on Irix 6.
28 * config/mips/x-iris6 (CC): Don't set it.
31 2000-07-14 Jason Merrill <jason@redhat.com>
33 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
34 register in the stack and later in another register, use the new
37 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
39 * config/mips/mips.md: (absdi2): Handle sign_extend for
42 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
44 * cpplib.c (do_pragma_dependency): Tidy warning messages.
46 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
48 * .cvsignore: Correct typo.
50 2000-07-13 Mark Mitchell <mark@codesourcery.com>
52 * .cvsignore: Add generated YACC files.
53 * objc/.cvsignore: New file.
55 2000-07-14 Neil Booth <NeilB@earthling.net>
57 * cpplex.c (adjust_column): New funcion.
58 (skip_whitespace): Use it.
59 (skip_block_comment): Use it, and warn about /*/* with
62 2000-07-14 Neil Booth <NeilB@earthling.net>
64 * cpphash.c (struct macro_info): Add new members.
65 (_cpp_free_definition): Delete the macro directly.
66 (count_params): Return void, with first token of
67 expansion in struct macro_info on success.
68 (parse_define): Return int. Hoist syntax checking from
69 save_macro_expansion. Leave call to save_expansion to
70 _cpp_create_definition.
71 (alloc_macro): Needs just 2 arguments.
73 (save_expansion): Don't perform syntax check.
74 (_cpp_create_definition): Call save_expansion.
76 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
78 * genrecog.c (write_header): Split long string.
80 * cpphash.c (macro_info): Don't use the `signed' keyword.
82 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
84 2000-07-13 Jakub Jelinek <jakub@redhat.com>
86 * calls.c (stored_args_map): New variable.
87 (check_sibcall_argument_overlap_1): New.
88 (check_sibcall_argument_overlap): New.
89 (expand_call): Initialize stored_args_map.
90 Call check_sibcall_argument_overlap.
92 2000-07-13 Bruce Korb <bkorb@gnu.org>
94 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
95 (emit_gnu_type): utility procedure for gnu_type_fix
96 (gnu_type_fix): implement various pre-processor guards around
97 standard types so these types can be defined over and over
98 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
99 types alluded to above will have GNU-compliant base types
100 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
101 * fixinc/inclhack.def: add test_text entries and utilize the new
102 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
103 * fixinc/fixincl.x: regenerate
105 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
107 * diagnostic.c (vline_wrapper_message_with_location,
108 v_message_with_file_and_line, v_error_with_file_and_file,
109 v_error_for_asm, v_warning_for_asm, vfatal,
110 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
111 vsorry, verror, vwarning, vpedwarn): Remove.
112 (diagnostic_for_asm): New function.
113 (pedwarn, error, warning, pedwarn_with_file_and_line,
114 error_with_file_and_line, warning_with_file_and_line, sorry,
115 error_for_asm, warning_for_asm, fatal): Reimplement.
116 (finish_diagnostic): Clear diagnostic info as well.
118 2000-07-13 Neil Booth <NeilB@earthling.net>
120 * c-common.h (flag_digraphs): New.
121 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
122 * c-lex.c (yylex): Use flag_digraphs to decide whether to
125 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
127 * gcc.c (do_spec_1): Add new %B operator.
128 (set_input): Prepare for %B.
130 (link_command_spec): Move up with the other tm.h-
131 overrideable specs. Factor out the portion conditional on
132 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
133 (struct compiler): Just have a single spec string. All users
135 (default_compilers): Remove unnecessary braces.
136 (static_specs): Update.
138 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
140 (C and assembly specs): Use the new named specs, as appropriate.
142 * objc/lang-specs.h: Use the new named specs.
143 Remove unnecessary braces.
145 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
147 * gcc.c (execute): If a subprocess gets a fatal signal, report
148 strsignal() of the signal number, and ask for a bug report.
149 Do not do this for SIGPIPE if there's already been an error.
151 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
156 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
158 * final.c (profile_function): Do not emit profile counters in
159 the data section, if NO_PROFILE_COUNTERS is defined.
160 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
163 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
164 (FUNCTION_PROFILER): Just emit a call to mcount.
166 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
168 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
170 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
171 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
172 traditional, lang_chill, or lang_fortran.
174 * cppfiles.c: #undef strcmp to suppress warning about macros
175 used without arguments.
176 (_cpp_execute_include): Use f, not fname, in "No include path"
178 (_cpp_pop_file_buffer): New function.
179 * cpplib.c: Don't include <sys/mman.h>.
180 (cpp_push_buffer): Set line_base and lineno in new buffer.
181 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
183 * cpplex.c: Move all prototypes and structure declarations to the
184 top of the file. Properly parenthesise some macro arguments.
185 (cpp_scan_line): New function.
186 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
187 don't need to walk up the stack counting.
189 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
191 * c-common.c (combine_strings): Emit a pedantic warning when a
192 string length is greater than the minimum ANSI C is required
195 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
197 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
198 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
200 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
202 * c-decl.c (define_label): Warn about identifier conflicts with
203 labels in traditional C.
205 * c-parse.in (unop +): Warn about the unary plus operator for
208 * c-typeck.c (store_init_value): Warn about automatic aggregate
209 initialization for traditional C.
211 * invoke.texi (-Wtraditional): Document new warnings.
213 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
215 * Makefile.in (c-errors.o): Fix thinko in dependency.
217 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
219 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
220 -traditional, -ftraditional, or -traditional-cpp was given.
221 Do not pass -traditional to the preprocessor.
222 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
223 preprocessor does it automatically.
224 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
226 * ch/lang-specs.h: Always use tradcpp. Do not pass
227 -traditional, -trigraphs, or -pedantic to the preprocessor.
228 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
231 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
233 * cppexp.c (LOGICAL): Delete macro.
234 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
237 * cpphash.c (HASHSIZE): Increase to 4096.
238 (struct hashdummy): Add hash field.
239 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
240 the string values using memcmp.
241 (cpp_lookup): Set dummy.hash.
243 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
245 * configure.in (m88k-openbsd): Express configuration using new fragment
247 * configure: Rebuilt.
248 * m88k/aout-dbx.h: New.
249 * m88k/openbsd.h: New.
250 * m88k/xm-openbsd.h: New.
252 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
254 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
256 2000-07-12 Richard Henderson <rth@cygnus.com>
258 * reload.c (push_secondary_reload): Make sure to add the new
259 reload at the end, after acquiring secondary memory.
261 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
263 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
265 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
266 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
268 * c-parse.in (stmt): Delete unused variables.
270 * convert.c (convert_to_vector): Likewise.
272 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
274 * tree.c (finish_vector_type): Prototype.
276 2000-07-12 Bruce Korb <bkorb@gnu.org>
278 * fixinc/fixfixes.c: use xmalloc
279 * fixinc/fixincl.c(initialize): set program name for xmalloc
280 * fixinc/fixlib.c(must_malloc): obsolete
281 (is_cxx_header): no longer used - disabled
282 (skip_quote): inserted and disabled for future use
283 * fixinc/fixlib.h: reflects above
284 * fixinc/fixtests.c: removed dinkleberries
286 2000-07-12 Neil Booth <NeilB@earthling.net>
288 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
289 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
291 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
292 struct toklist_dummy): New.
293 (cpp_free_definition): Free macros with free_macro.
294 (count_params): Don't save paramter spellings. Save macro
295 information in a struct macro_info.
296 (parse_define): Don't allocate a token list.
297 (save_expansion): Allocate the macro's token list, and
298 save parameter spellings if necessary. Use TOKEN_SPELL.
299 (cpp_create_definition): Make list const.
301 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
303 * c-typeck.c (pedwarn_c99): Move to
304 * c-errors.c: ... Here.
305 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
306 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
307 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
308 (c-errors.o): List dependency.
310 2000-07-12 Mark Mitchell <mark@codesourcery.com>
313 * c-parse.h: Likewise.
314 * c-parse.y: Likewise.
315 * objc/objc-parse.c: Likewise.
316 * objc/objc-pasre.y: Likewise.
318 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
320 * gcc.texi: Fix minor typos
321 * extend.texi: Fix minor typos
323 2000-07-11 Marc Espie <espie@openbsd.org>
325 * collect2.c (main): Recognize .lo as object files.
327 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
329 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
332 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
333 with MAP_ANONYMOUS and MAP_ANON.
334 * configure, config.in: Rebuilt.
336 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
338 * diagnostic.c (save_output_state): Remove.
339 (restore_output_state): Likewise.
340 (clear_text_info): New function.
341 (clear_diagnostic_info): Likewise.
342 (output_text_length, is_starting_newline, output_prefix,
343 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
344 prefixing_policy, output_buffer_ptr_to_format_args): New macros
345 (set_real_maximum_length, output_set_maximum_length,
346 output_set_prefix, output_get_prefix, output_set_maximum_length,
347 output_destroy_prefix, init_output_buffer,
348 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
349 output_add_newline, output_add_character, output_add_space,
350 output_append_r, output_append, wrap_text, output_format,
351 output_do_printf, output_printf, output_do_verbatim,
352 output_verbatim, verbatim): Use them.
353 (output_clear): Split into cleat_text_info and
354 clear_diagnostic_info.
355 (struct output_state): Move to...
357 * diagnostic.h: ...Here
358 (struct output_buffer): Adjust.
360 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
362 * cpplex.c (parse_name): No longer inline (premature optimization).
363 (do_pop_context): Fold into pop_context.
364 (pop_context): Returns int.
365 (lex_next): Hoist test for end of directive into pop_context.
366 (push_macro_context): Returns int; takes just reader and token.
367 Hoist test for excessive nesting to caller.
368 (push_arg_context): Returns void; takes just reader and token.
369 Do not call stringify_arg or get_raw_token.
370 (get_raw_token): Convert tail recursion through push_arg_context
371 to a loop at this level. Call stringify_arg here if appropriate.
372 (maybe_paste_with_next): Convert tail recursion to a while loop.
373 Hoist test of paste_level to caller.
375 (stringify_arg): Push arg context at beginning.
376 (cpp_get_token): Split out core into _cpp_get_token. Call
377 process_directive here. Throw away CPP_PLACEMARKER tokens.
378 (_cpp_get_token): Convert tail recursion through
379 push_macro_context to a loop at this level.
380 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
381 _cpp_get_raw_token): Use _cpp_get_token.
382 (_cpp_skip_rest_of_line): Drop the context stack directly; do
383 not call pop_context.
384 (_cpp_run_directive): Call lex_next directly.
386 * cpphash.h: Prototype _cpp_get_token.
387 * cppexp.c (lex): Use it.
388 * cpphash.c (parse_define): Use it.
389 * cpplib.c (get_define_node, do_undef, parse_include,
390 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
391 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
392 parse_ifdef, validate_else): Use it.
393 (cpp_push_buffer): Tweak error message; abort if anyone tries
394 to push a buffer while macro expansions are stacked.
396 2000-07-11 Donn Terry <donnte@microsoft.com>
398 * cpplex.c (free_macro_args, save_token): Cast arg of free
399 and/or xrealloc to PTR.
400 (_cpp_init_input_buffer): Clear all fields of the base context.
402 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
404 * gensupport.c (process_rtx): Make rtl checking stop
405 complaining about the define_insn while it is being
406 converted from a define_insn_and_split.
408 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
410 * config/mips/mips.c (simple_memory_operand): Access the
411 INTVAL of the address, not it's containing MEM.
413 2000-07-11 Bruce Korb <bkorb@gnu.org>
415 * fixinc/fixtests.c(double_slash): obsolete
416 (else_endif_label): likewise
417 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
418 (libc1_ifdefd_memx): correct initial comment
419 and omit the #if/#endif pair from the memxxx declarations
420 * fixinc/fixincl.x: regen
422 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
424 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
426 2000-07-11 Neil Booth <NeilB@earthling.net>
430 2000-07-11 Neil Booth <NeilB@earthling.net>
432 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
433 (handle_option): Set digraphs according to standard.
434 Merge OPT_lang_c89 handler with OPT_std_c89.
436 * cpplex.c: (lex_line, can_paste): Honour digraphs in
437 accordance with the digraphs flag.
439 * cpplib.h: (struct cpp_options): New option digraphs.
441 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
442 Bruce Korb <bkorb@gnu.org>
444 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
445 * fixinc/fixincl.x: Regenerate.
446 * fixinc/tests/base/testing.h: Add testcase.
448 2000-07-10 Richard Henderson <rth@cygnus.com>
450 * config/ia64/ia64.c (got_symbolic_operand): New.
451 (symbolic_operand, move_operand): Revert 0701 change.
452 * config/ia64/ia64.h (PREDICATE_CODES): Update.
453 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
454 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
455 split the offset into a 14-bit low part instead of a 13-bit low part.
456 (load_fptr): Mark the mem as unchanging.
457 (load_symptr): Use got_symbolic_operand.
459 2000-07-10 Nick Clifton <nickc@cygnus.com>
461 * libgcc2.c (next_stack_level): Cast result of computation to
462 (void **) so that the assignment does not generate a warning.
464 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
466 * flags.h : Add new variable flag_single_precision_constant.
467 * toplev.c (display_help) : Add -fsingle-precision-constant option.
468 (flag_single_precision_constant): New.
469 * c-lex.c (yylex): Convert floating point constant to single
471 * invoke.texi : Add documentation for this new option.
473 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
475 * diagnostic.c (output_octal): Second parameter is unsigned.
476 (output_long_octal): Likewise.
477 (output_hexadecimal): Likewise.
478 (output_long_hexadecimal): Likewise.
479 (output_format): Adjust arguments extraction. Tweak.
480 (output_verbatim, verbatim): End variable argument list.
481 (report_diagnostic): Improve documentation.
483 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
485 * c-common.h (build_stmt): Declare.
486 (build_continue_stmt): Likewise.
487 (build_break_stmt): Likewise.
488 (build_return_stmt): Likewise.
490 * c-decl.c (do_case): Rewrite to do what previously done in
493 * c-semantics.c (build_stmt): Define.
494 (build_return_stmt): Likewise.
495 (build_break_stmt): Likewise.
496 (build_continue_stmt): Likewise.
497 (build_case_label): Likewise.
499 * c-parse.in (BREAK): Change to build tree, then generate RTL.
500 (CONTINUE): Likewise.
505 * c-parse.y: Regenerate.
506 * c-pasre.c: Likewise.
508 2000-07-09 Jason Merrill <jason@redhat.com>
510 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
512 * tree.h (STRIP_NOPS): Check for error_mark_node.
513 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
514 (dwarf2out_*): Remove duplicate declarations.
516 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
517 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
519 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
521 * diagnostic.c (wrap_text): New function.
522 (maybe_wrap_text): Likewise.
523 (output_add_string): Use it.
524 (output_format): Likewise.
525 (count_error): Use verbatim instead of notice.
526 (report_error_function): Likewise. Don't use plain fprintf.
527 (finish_diagnostic): New function.
528 (output_do_verbatim): Tweak. Commonalize functionalities in
529 output_verbatim and verbatim.
530 (output_verbatim): Adjust.
531 (verbatim): Likewise.
532 (report_diagnostic): Define.
534 * diagnostic.h (report_diagnostic): Prototype.
536 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
538 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
540 2000-07-09 Neil Booth <NeilB@earthling.net>
542 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
543 IShspace, ISspace: Update.
545 * cppinit.c: ISTABLE: Update.
548 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
549 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
550 (skip_block_comment, skip_line_comment, parse_string,
551 lex_line): Use is_vspace rather than IS_NEWLINE.
552 (skip_whitespace, lex_line): Clean up to use is_nvspace.
553 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
555 (lex_next): Unconditionally stop if within a directive.
556 Treat directives within macro invocations as directives
557 (after parse_args emits error), not as the argument.
559 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
561 * diagnostic.c (diagnostic_args): New macro.
562 (diagnostic_msg): Likewise.
563 (output_formatted_integer): Likewise.
564 (output_state): New data type.
565 (digit_buffer): Make global.
566 (output_add_integer): Rename to output_decimal. Squeeze
568 (output_long_decimal, output_unsigned_decimal,
569 output_long_unsigned_decimal, output_octal, output_long_octal,
570 output_hexadecimal, output_long_hexadecimal): New functions.
571 (output_append_r): New function.
572 (output_append): Tweak.
573 (output_flush_on): Rename to output_to_stream.
574 (output_format): Change prototype. Improve documentation. Handle
575 more format specifiers.
576 (build_location_prefix): Rename to context_as_prefix.
577 (output_notice): Rename to output_do_printf.
578 (output_printf): Tweak.
579 (line_wrapper_printf): Likewise.
580 (vline_wrapper_message_with_location): Adjust call to renamed
582 (v_message_with_decl): Likewise.
583 (default_print_error_function): Likewise.
584 (save_output_state): New function.
585 (restore_output_state): Likewise.
586 (output_do_verbatim): Likewise.
587 (output_verbatim): Define.
588 (verbatim): Likewise.
590 * diagnostic.h (printer_fn): Change return type from void to int.
591 Improve documentation.
592 (output_add_integer): Rename to output_decimal.
593 (output_flush_on, output_format): Don't export.
594 (output_verbatim, verbatim): Declare.
596 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
598 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
599 Check whether c divides op1 exactly if operation is not
602 2000-07-08 Richard Henderson <rth@cygnus.com>
604 * final.c (final): Do not abort when reg-stack introduces
607 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
609 * cpplib.h (struct cpp_name): Now struct cpp_string.
610 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
611 CPP_HEADER_NAME): Change to type S.
612 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
613 field, a cpp_hashnode *. All references to val.name updated
614 to use val.str or val.node as appropriate.
615 (struct cpp_reader): Add spec_nodes field.
616 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
618 * cpphash.h (struct spec_nodes): New.
619 (enum spell_type): Reorder. Only SPELL_STRING tokens use
620 val.str. All references to 'spelling > SPELL_NONE' updated to
623 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
624 pfile->buffer->inc are not NULL before dereferencing them.
626 * cpplex.c (parse_name): Take a pointer to the current token,
627 plus current position and limit as args; return the new
628 position; don't copy the text of a name into the string
629 buffer, instead call cpp_lookup and store the node pointer.
630 If extending a token, copy out the text of the old into a
631 scratch buffer, append the new, look that up and store the new
632 node pointer. Inline.
633 (maybe_paste_with_next): If the result of paste is a NAME,
634 then look up the pasted text and store its node pointer.
635 (lex_line): Adjust for new parse_name interface.
636 Check for L"str", L'str' using spec_nodes->n_L.
637 (spell_token): SPELL_IDENT tokens have their spelling in
638 val.node->name. Handle SPELL_STRING tokens that don't have
640 (_cpp_expand_name_space,
641 (can_paste): Check for L ## "str" using spec_nodes->n_L.
642 (cpp_get_token, special_symbol): No need to call cpp_lookup.
643 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
644 return 1=equal 0=not, not a tristate.
646 * cpphash.c (var_args_str): Delete.
647 (find_param): Compare node fields directly.
648 (is__va_args__): Use CPP_PEDANTIC. Just compare
649 token->val.node with spec_nodes->n__VA_ARGS__.
650 (dump_funlike_macro): Don't use var_args_str.
652 * cpplib.c (_cpp_check_directive): Just walk through
653 spec_nodes->dirs comparing pointers.
654 (get_define_node, do_pragma_poison, detect_if_not_defined,
655 parse_ifdef): The identifier has already been looked up.
656 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
658 (do_if): Only call detect_if_not_defined at beginning of file.
659 (_cpp_parse_assertion): Only copy string pointers for
661 (pragma_dispatch): Take a node pointer and examine its name
663 (_cpp_init_stacks): Also initialize the spec_nodes structure.
665 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
667 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
668 reverse order from the corresponding _cpp_init_* routines.
670 * cppexp.c (parse_number, parse_charconst, parse_defined,
671 lex): Check val.node->type instead of calling cpp_defined.
672 Use spec_nodes entries where appropriate.
674 * fix-header.c, scan-decls.c: Update for interface changes.
676 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
678 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
679 emitting aux_truncdfsf2.
681 2000-07-03 Donn Terry (donnte@microsoft.com)
683 * cppinit.c (print_help): split overlong line into ISO C89
686 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
688 * cppexp.c: Update all code for new lexer interface.
689 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
690 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
691 * cpplex.c (token_names): Trim leading CPP_ from names; make
692 the strings unsigned.
693 (_cpp_spell_operator): New.
694 (is_macro_disabled): Disable all macros if rescanning
696 (_cpp_get_directive_token): Remove.
698 * cppinit.c: Don't set no_macro_expand.
699 * cpplib.c (read_line_number, do_line): Check only for EOF,
701 * cpphash.h: Update prototypes.
702 * cpplib.h (CPP_VSPACE): Remove.
703 (struct cpp_reader): Remove no_macro_expand.
705 2000-07-08 Neil Booth <NeilB@earthling.net>
707 * cpphash.c (is__va_args__): New function.
708 (count_params): Fix line reported in error messages. Use
709 is__va_args__. Don't return ')' on error. Flag GNU style
710 rest args macro definitions.
711 (parse_define): Check macro name is not __VA_ARGS__.
712 (save_expansion): Check identifier in non-varargs-macro is
713 not __VA_ARGS__. Don't flag GNU_VARARGS.
714 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
715 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
716 than per-token GNU_VARARGS.
717 * cpplib.h (GNU_VARARGS): Remove.
718 (GNU_REST_ARGS): New.
720 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
722 * i386.md (call_pop, call, call_value_pop): Do not set
723 current_function_uses_pic_offset_table for calls to static
724 functions or indirect calls.
726 2000-07-07 Jim Wilson <wilson@cygnus.com>
728 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
729 is_predicate_reg, then take max write_count of register pair.
731 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
733 * tradcpp.c (main): Rename label `include' to `add_include' to
734 avoid conflicts with variable `include' in traditional C.
736 2000-07-07 Jakub Jelinek <jakub@redhat.com>
738 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
740 2000-07-07 Jakub Jelinek <jakub@redhat.com>
742 * sibcall.c (uses_addressof): Add INMEM argument, check for
743 current_function_internal_arg_pointer outside of MEM rtxs in addition
745 (sequence_uses_addressof): Update caller.
747 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
749 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
752 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
754 * system.h (UNION_INIT_ZERO): New macro for initializing union
757 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
759 2000-07-07 Neil Booth <NeilB@earthling.net>
763 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
765 * final.c (final): Detect out of bounds array access to
766 the insn_lengths array.
768 2000-07-07 Kazu Hirata <kazu@hxi.com>
770 * fold-const.c (fold): Fix a comment typo.
772 2000-07-07 Neil Booth <NeilB@earthling.net>
774 * cpp.texi: Update to new lexer.
776 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
778 * tradcpp.c: New file.
779 * tradcif.y: New file.
780 * tradcif.c: New generated file.
782 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
783 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
784 dependencies of C. Install tradcpp from install-common, in
787 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
789 * cppinit.c: Include cppdefault.h. Refer to
790 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
791 to GCC_INCLUDE_DIR and its length.
792 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
793 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
794 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
796 (include_defaults_array): Move to cppdefault.c.
798 * cppdefault.h: New file.
799 * cppdefault.c: New file.
801 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
802 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
803 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
806 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
808 * reload.c (push_reload): When seeing if can reuse a register,
809 check extra registers against widest of INMODE and OUTMODE.
811 2000-07-06 Neil Booth <NeilB@earthling.net>
813 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
814 based on full length of predicate.
816 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
818 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
819 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
821 2000-07-05 Kazu Hirata <kazu@hxi.com>
823 * h8300-proto.h: Fix formatting.
827 2000-07-05 Jim Wilson <wilson@cygnus.com>
829 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
832 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
834 * invoke.texi: Fix minor typos
835 * md.texi: Fix minor typos
837 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
839 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
841 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
843 * cpplex.c: Don't include sys/mman.h.
844 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
846 * cpplib.c: Include sys/mman.h and obstack.h.
847 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
849 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
850 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
851 bother freeing if stack entries (they will be freed with their buffer).
852 (do_endif): Free if stack entries from the buffer obstack.
853 (push_conditional): Allocate if stack entries from the buffer obstack.
855 (find_answer): Rename to _cpp_find_answer.
856 (do_assert, do_unassert): Update.
858 * cpphash.h: Update prototypes.
859 (xobnew): New convenience macro.
860 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
862 (struct cpp_hashnode): Remove disabled field.
864 * cppinit.c: Don't include hashtab.h or splay-tree.h.
865 (report_missing_guard): Moved to cppfiles.c.
866 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
868 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
869 cpp_cleanup_includes. Don't destroy hashtab or
870 all_include_files here.
871 (cpp_finish): Use _cpp_report_missing_guards.
873 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
874 (_cpp_init_include_table): Rename _cpp_init_includes.
875 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
877 * cppexp.c (parse_assertion): Update for new name of
880 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
882 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
884 * cpplib.c (do_ident): s/VSPACE/EOF/
886 2000-07-05 Neil Booth <NeilB@earthling.net>
888 * cpplex.c: Fix trigraph replacement within strings.
890 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
892 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
894 * xcoffout.c (assign_type_number): Constify.
895 (xcoffout_source_file): Add static prototype. Don't needlessly
896 cast away const-ness.
898 2000-07-04 Jason Merrill <jason@redhat.com>
900 * frame.h (frame_state): Move base_offset to end.
902 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
904 * calls.c (emit_library_call_value_1): Revert previous change.
906 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
908 * fix-header.c (struct partial_proto): Remove unnecessary fields.
909 (recognized_extern, recognized_function, read_scan_file):
910 Update for new scheme.
911 (check_protection): It's still a multiple include guard even
912 if it doesn't always trigger.
913 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
915 * scan.h: Declare struct cpp_token. Update prototypes.
917 2000-07-03 Neil Booth <neilb@earthling.net>
918 Zack Weinberg <zack@wolery.cumb.org>
920 Complete overhaul of the lexer and macro expander.
922 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
923 arg, arglist, argdata, reflist, collect_objlike_expansion,
924 collect_funlike_expansion, collect_params,
925 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
926 unsafe_chars, macarg, compare_defs, special_symbol,
927 scan_arguments, stringify, funlike_macroexpand,
928 _cpp_quote_string, monthnames): Delete.
929 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
930 _cpp_create_definition, _cpp_dump_definition,
931 dump_hash_helper): Adjust.
932 (find_param, count_params, parse_define, var_args_str,
933 check_macro_redefinition, save_expansion): New.
935 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
936 parse_string, output_line_command, trigraph_replace,
937 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
938 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
939 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
940 _cpp_skip_rest_of_line): Modify.
942 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
943 find_position, null_warning, bump_column, expand_name_space,
944 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
945 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
946 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
947 _cpp_prescan): Delete.
949 (dump_param_spelling, process_directive, lex_next,
950 is_macro_disabled, stringify_arg, expand_context_stack,
951 output_token, make_string_token, alloc_number_token,
952 special_symbol, duplicate_token, maybe_paste_with_next,
953 can_paste, prevent_macro_expansion, restore_macro_expansion,
954 get_temp_token, release_temp_tokens, quote_string,
955 token_names, token_spellings, _cpp_expand_name_space,
956 _cpp_glue_header_name, _cpp_reserve_name_space,
957 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
958 placemarker_token, eof_token, cpp_context, macro_args,
959 get_raw_token, parse_arg, parse_args, save_token,
960 push_arg_context, push_macro_context, pop_context,
961 do_pop_context, free_macro_args, _cpp_get_line,
962 _cpp_run_directive): New.
964 * cpplib.c (validate_else, parse_include, push_conditional,
965 pass_thru_directive, read_line_number, parse_ifdef,
966 detect_if_not_defined, _cpp_check_directive, do_define,
967 do_undef, do_include, do_import, do_include_next, do_error,
968 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
969 top_pragmas, do_pragma_gcc, do_pragma_implementation,
970 do_pragma_poison, do_pragma_system_header,
971 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
972 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
973 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
974 cpp_defined): Update for new scheme.
975 (strtoul_for_line, get_define_node, dump_macro_name,
976 _cpp_check_linemarker, _cpp_parse_assertion): New.
977 (_cpp_handle_directive, do_pragma_default): Delete.
979 * cpphash.h (struct predicate): Now struct answer.
980 (enum spell_type, struct token_spelling, struct directive,
981 directive_handler): New.
982 Update prototypes. Remove unused macros.
983 * cpplib.h: Update prototypes. Remove unused macros,
984 structure definitions, and fields.
986 * cpperror.c (print_containing_files, v_message): Adjust.
987 * cppexp.c (parse_assertion, lex, parse_escape,
988 _cpp_parse_expr): Adjust.
989 * cppfiles.c (open_include_file, _cpp_execute_include,
990 _cpp_compare_file_date, cpp_read_file, read_include_file):
992 * cppinit.c (dump_special_to_buffer): Delete.
993 (append_include_chain, merge_include_chains, cpp_reader_init,
994 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
995 cpp_finish, handle_option, print_help): Adjust.
996 * cppmain.c (main): Adjust.
998 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1000 * cppspec.c (lang_specific_driver): Use double quotes in error
1003 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1005 * calls.c (emit_library_call_value_1): Use valreg instead
1006 of hard_libcall_value.
1008 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1010 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1011 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1012 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1020 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1021 mode instead of wider_mode is being used.
1023 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1025 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1026 of 'r'. Use q_regs_operand.
1027 (andsi_1+2): Use q_regs_operand.
1029 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1031 * builtins.c (get_memory_rtx): Always put into alias set 0.
1033 2000-07-03 Nick Clifton <nickc@cygnus.com>
1035 * config/arm/arm.md: Fix post increment and pre increment
1036 peepholes so that they do not generate UNPREDICATBLE opcodes.
1037 (ie ones where the increment clobbers the source/destination).
1039 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1041 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1042 change too big for -mtiny-stack" a warning, if larger than 63.
1043 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1044 always safe to use on possible future devices.
1045 (function_prologue): Write SPH before SPL, for consistency.
1046 If interrupt_func_p true, we know we have enabled interrupts.
1047 (avr_num_arg_regs): New function. Round up to even number of
1048 bytes if no -mpack-args or if calling a libgcc function.
1049 (function_arg, function_arg_advance): Use it.
1050 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1051 Output "movw" if available.
1052 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1053 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1054 (asm_output_section_name): Add blanks for consistent output.
1055 (encode_section_info): Set TREE_READONLY for progmem data to
1056 avoid gas warnings about changed section attributes.
1057 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1058 even numbered registers on devices with "movw".
1059 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1060 (TARGET_SWITCHES): Mark help strings for translation.
1061 Add new -mpack-args and -menhanced switches.
1062 (TARGET_OPTIONS): Mark help strings for translation.
1063 (progmem_section): Add section attributes.
1064 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1065 Output "movw" if available.
1066 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1068 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1069 call convention (arguments aligned on even registers).
1070 (_cleanup, _exit): Make weak symbols libc can override.
1072 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1074 * fp-bit.h: New file.
1076 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1077 Comment #endif statements.
1078 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1080 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1082 * gcse.c (compute_pre_data): Compute ae_kill using other local
1083 properties instead of calling compute_ae_kill.
1085 * alias.c (init_alias_analysis): Do not call
1086 prologue_epilogue_contains until after reload has completed.
1088 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1090 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1091 (genrtl_finish_compound_stmt): Likewise.
1092 (genrtl_compound_stmt): Change to return void.
1094 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1095 move code from here to ...
1096 (genrtl_compound_stmt): ... here.
1097 (genrtl_finish_compound_stmt): Remove.
1098 (expand_stmt): Add comment.
1100 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1102 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1105 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1107 * cpplib.h (struct cpp_reader): New field include_depth.
1108 (struct cpp_printer): Rename last_bsd to last_id.
1109 * cppfiles.c (read_include_file): Bump include_depth.
1110 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1111 (output_line_command): Output correct #line if a header
1112 is including itself and is not protected against multiple inclusion.
1113 Use include_depth instead of buffer_stack_depth, last_id instead of
1115 * cppinit.c (cpp_start_read): Initialize last_id instead of
1118 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1120 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1121 (c-semantics.o): New target.
1123 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1124 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1125 (genrtl_clear_out_block): Likewise.
1126 (genrtl_goto_stmt): Likewise.
1127 (genrtl_expr_stmt): Likewise.
1128 (genrtl_decl_stmt): Likewise.
1129 (genrtl_if_stmt): Likewise.
1130 (genrtl_while_stmt): Likewise.
1131 (genrtl_do_stmt): Likewise.
1132 (genrtl_return_stmt): Likewise.
1133 (genrtl_for_stmt): Likewise.
1134 (genrtl_break_stmt): Likewise.
1135 (genrtl_continue_stmt): Likewise.
1136 (genrtl_scope_stmt): Likewise.
1137 (genrtl_switch_stmt): Likewise.
1138 (genrtl_case_label): Likewise.
1139 (genrtl_begin_compound_stmt): Likewise.
1140 (gerntl_finish_compound_stmt): Likewise.
1141 (genrtl_compound_stmt): Likewise.
1142 (genrtl_asm_stmt): Likewise.
1143 (genrtl_decl_cleanup): Likewise.
1144 (DECL_ANON_UNION_ELEMS): Likewise.
1145 (emit_local_var): Likewise.
1146 (make_rtl_for_local_static): Likewise.
1147 (expand_cond): Likewise.
1148 (expand_stmt): Likewise.
1149 (c_expand_return): Likewise.
1150 (c_expand_start_case): Likewise.
1151 (do_case): Likewise.
1152 (COMPOUND_STMT_NO_SCOPE): Likewise.
1153 (c_expand_asm_operands): Likewise.
1154 (NEW_FOR_SCOPE_P): New macro.
1155 (expand_expr_stmt_fn): New type.
1157 (set_current_function_name_declared): Likewise.
1158 (current_function_name_declared): Likewise.
1159 (lang_expand_stmt): Likewise.
1160 (stmts_are_full_exprs_p): Likewise.
1161 (anon_aggr_type_p): Likewise.
1162 (lang_expand_expr_stmt): Likewise.
1163 (build_case_label): Likewise.
1165 * c-decl.c (lang_expand_expr_stmt): Initialize.
1166 (stmts_are_full_exprs_p): Define.
1167 (current_function_name_declared): Likewise.
1168 (do_case): Likewise.
1169 (lang_expand_stmt): Likewise.
1170 (set_current_function_name_declared): Likewise.
1171 (anon_aggr_type_p): Likewise.
1173 * c-semantics.c: New file.
1174 (expand_cond): Moved from cp/semantics.c.
1175 (genrtl_do_pushlevel): Likewise.
1176 (genrtl_clear_out_block): Likewise.
1177 (genrtl_goto_stmt): Likewise.
1178 (genrtl_expr_stmt): Likewise.
1179 (genrtl_decl_stmt): Likewise.
1180 (genrtl_if_stmt): Likewise.
1181 (genrtl_while_stmt): Likewise.
1182 (genrtl_do_stmt): Likewise.
1183 (genrtl_return_stmt): Likewise.
1184 (genrtl_for_stmt): Likewise.
1185 (genrtl_break_stmt): Likewise.
1186 (genrtl_continue_stmt): Likewise.
1187 (genrtl_scope_stmt): Likewise.
1188 (genrtl_switch_stmt): Likewise.
1189 (genrtl_case_label): Likewise.
1190 (genrtl_begin_compound_stmt): Likewise.
1191 (genrtl_finish_compound_stmt): Likewise.
1192 (genrtl_compound_stmt): Likewise.
1193 (genrtl_asm_stmt): Likewise.
1194 (genrtl_decl_cleanup): Likewise.
1195 (make_rtl_for_local_static): Moved from cp/decl.c.
1196 (emit_local_var): Likewise.
1197 (expand_stmt): Define.
1199 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1200 (c_expand_return): Likewise.
1201 (c_expand_start_case): Likewise.
1203 2000-07-01 Richard Henderson <rth@cygnus.com>
1205 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1206 with the low 13 bits set.
1207 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1208 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1209 of the low 13 bits into a CONST plus an adddi3.
1210 (load_symptr): Set RTX_UNCHANGING_P.
1212 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1214 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1215 * c-common.c (ridpointers): Declare.
1216 * c-common.h (enum rid): Declare.
1218 (ridpointers): Likewise.
1219 * c-lex.c (ridpointers): Don't declare.
1220 (init_lex): Initialize ridpointers.
1221 * c-lex.h (enum rid): Don't declare.
1223 (RID_FIRST_MODIFIER): Likewise.
1224 (ridpointers): Likewise.
1226 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1228 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1231 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1233 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1236 2000-06-30 Catherine Moore <clm@cygnus.com>
1238 * c-common.c (decl_attributes): Differentiate between
1239 types and type decls for alignment.
1241 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1243 * cpp.texi: Document #pragma GCC dependency
1244 * cppfiles.c (open_include_file): Set date to unknown.
1245 (_cpp_compare_file_date): New function.
1246 (read_include_file): Set file date.
1247 * cpphash.h (struct include_file): Add date member.
1248 (_cpp_compare_file_date): Prototype.
1249 * cpplib.c (parse_include): Add trail parameter. Adjust.
1250 (do_include): Adjust parse_include call.
1251 (do_import): Likewise.
1252 (do_include_next): Likewise.
1253 (gcc_pragmas): Add dependency pragma.
1254 (do_pragma_dependancy): New pragma.
1256 2000-06-29 Jason Merrill <jason@redhat.com>
1258 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1261 2000-06-29 Jim Wilson <wilson@cygnus.com>
1263 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1264 a volatile mem and FR_REGS.
1266 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1268 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1269 * c-common.h (flag_const_strings): Declare.
1270 (warn_format): Likewise.
1271 (flag_traditional): Likewise.
1272 (flag_isoc99): Likewise.
1273 (warn_parentheses): Likewise.
1274 (warn_conversion): Likewise.
1275 (C_TYPE_OBJECT_P): Likewise.
1276 (C_TYPE_INCOMPLETE_P): Likewise.
1277 (C_TYPE_FUNCTION_P): Likewise.
1278 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1279 (C_EXP_ORIGINAL_CODE): Likewise.
1280 (build_unary_op): Likewise.
1281 (build_binary_op): Likewise.
1282 (lvalue_p): Likewise.
1283 (default_conversion): Likewise.
1284 (common_type): Likewise.
1285 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1286 (C_TYPE_INCOMPLETE_P): Likewise.
1287 (C_TYPE_FUNCTION_P): Likewise.
1288 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1289 (C_EXP_ORIGINAL_CODE): Likewise.
1290 (common_type): Likewise.
1291 (default_conversion): Likewise.
1292 (build_binary_op): Likewise.
1293 (build_unary_op): Likewise.
1294 (lvalue_p): Likewise.
1295 (flag_const_strings): Likewise.
1296 (warn_format): Likewise.
1297 (warn_conversion): Likewise.
1298 (flag_traditional): Likewise.
1299 (flag_isoc99): Likewise.
1300 (warn_parentheses): Likewise.
1302 2000-06-29 James E. Wilson <wilson@cygnus.com>
1304 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1306 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1307 same. Only tie XFmode with XFmode.
1309 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1311 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1312 * Makefile.in: Update deps.
1314 2000-06-29 Andrew Haley <aph@cygnus.com>
1316 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1319 2000-06-29 Andrew Haley <aph@cygnus.com>
1321 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1322 bytes: remove the multiply by 8.
1324 2000-06-29 Philipp Thomas <pthomas@suse.de>
1326 * rtl.c : Revert NLS changes.
1327 * gcc.c : Fix bug in display_help introced by my last changes.
1329 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1331 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1332 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1334 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1336 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1338 2000-06-28 Philipp Thomas <pthomas@suse.de>
1340 * c-decl.c : Mark strings for translation.
1341 (parmlist_tags_warning): Use distinct messages instead
1342 of conditional expressions.
1343 * diagnostic.c (v_message_with_decl): Mark string for translation.
1344 * gcc.c: Mark messages for translation.
1345 (display_help): Combine messages into one string where necessary.
1346 * mips-tfile: Add intl.h. Mark messages for translation.
1347 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1348 messages for translation.
1349 * timevar.c: Mark messages for translation.
1350 * tlink.c: Likewise.
1351 * toplev.c: Likewise.
1353 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1355 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1357 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1358 use -isystem instead of -idirafter.
1359 * i386/i386-interix.h: Likewise.
1361 2000-06-28 Jason Merrill <jason@redhat.com>
1363 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1364 unless DWARF2_DEBUGGING_INFO is defined.
1365 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1367 2000-06-28 Richard Henderson <rth@cygnus.com>
1369 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1371 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1373 * cpplex.c (output_line_command): Output correct #line if a header
1374 is including itself and is not protected against multiple inclusion.
1376 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1378 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1379 ENFILE, close all cached file descriptors and try again.
1380 (_cpp_execute_include): Keep a count of the number of times
1381 each header is included.
1382 (close_cached_fd): New function.
1383 * cpphash.h (struct include_file): Rename before to
1384 include_count; all users updated. Make include_count and sysp
1386 * cppinit.c (cpp_finish): If -H, report headers that could use
1388 (report_missing_guard): New function.
1390 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1392 * i386.md (prologue_set_got): Set length_immediate field.
1393 (testqi_ccno_1): Add missing '@' character.
1395 2000-06-27 Jason Merrill <jason@redhat.com>
1397 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1400 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1402 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1403 unsigned macros available.
1405 2000-06-27 Richard Henderson <rth@cygnus.com>
1407 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1408 epilogue_deallocate_stack.
1410 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1411 completers for UNORDERED and ORDERED as well.
1412 * config/ia64/ia64.md (bunordered, bordered): New.
1413 (sunordered, sordered): New.
1415 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1417 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1418 * i386.c (ix86_attr_length_default): Kill.
1419 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1421 * i386-protos.h (ix86_attr_length_default): Kill
1422 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1424 * i386.md (attribute type): Add "test".
1425 (attribute length_prefix): Kill.
1426 (attribute length_opcode): Kill.
1427 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1428 prefix_rep, prefix_0f, modrm): New.
1429 (attribute length): Compute using the new attributes.
1430 (attribute pent_prefix): New.
1431 (attribute pent_pair): Compute using pent_prefix.
1432 (all insn patterns): Set mode,modrm and immediate_length attributes where
1434 (cmpsi patterns): Compute sizes propertly for test instruction.
1435 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1436 (movstricthi_xor, movstrictqi_xor): New patterns.
1437 (andsi/andhi): Use splitters to generate xor instructions.
1438 (xorqi_ext_1): New pattern.
1439 (movstricthi->movstricthi_xor peep2): New.
1441 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1443 * i386.md (addqi_low_1): Remove.
1445 2000-06-27 Philipp Thomas <pthomas@suse.de>
1447 * 1750a.h: Mark help strings for options/switches for translation.
1449 * alpha.h: Likewise.
1452 * riscix.h: Likewise.
1454 * clipper.h: Likewise.
1455 * convex.h: Likewise.
1456 * elxsi.h: Likewise.
1459 * h8300.h: Likewise.
1461 * cygwin.h: Likewise.
1463 * djgpp.h: Likewise.
1465 * osf1elf.h: Likewise.
1466 * osfrose.h: Likewise.
1468 * win32.h: Likewise.
1470 * paragon.h: Likewise.
1474 * mcore.h: Likewise.
1476 * mn10300.h: Likewise.
1477 * ns32k.h: Likewise.
1478 * pdp11.h: Likewise.
1481 * aix41.h: Likewise.
1482 * aix43.h: Likewise.
1484 * rs6000.h: Likewise.
1485 * sysv4.h: Likewise.
1486 * linux.h: Likewise.
1487 * linux64.h: Likewise.
1488 * sp64-elf.h: Likewise.
1489 * sparc.h: Likewise.
1490 * splet.h: Likewise.
1492 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1494 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1495 Properly document option and mark for translation.
1496 * sp86x-elf.h: Likewise.
1498 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1500 Add MMX and SSE registers to i386 machine description.
1501 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1502 ix86_local_alignment): Declare.
1504 * i386.h (TARGET_MMX, TARGET_SSE): New.
1505 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1506 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1507 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1508 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1509 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1510 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1511 (RETURN_IN_MEMORY): Handle MMX/SSE.
1512 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1513 also get stack space.
1514 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1515 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1516 (MMX_REGISTER_NAMES): New.
1517 (ALIGN_MODE_128): New macro.
1518 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1519 (DATA_ALIGNMENT): Likewise.
1520 (LOCAL_ALIGNMENT): Likewise.
1521 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1522 TARGET_MMX/TARGET_SSE.
1523 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1524 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1525 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1526 SSE/MMX regs and something else.
1527 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1528 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1529 3 if moving between MMX regs and something else.
1531 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1532 (regclass_map): Add MMX/SSE registers.
1533 (print_operand): Add code to print XMMWORD as appropriate.
1534 (ix86_split_movdi): Abort for MMX regs.
1535 (init_cumulative_args): Also allow SSE_REGS
1536 (function_arg_advance, function_arg): Likewise
1537 (print_reg): Support 'm'. Add case for TImode.
1538 (override_options): TARGET_SSE implies TARGET_MMX.
1539 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1542 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1544 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1546 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1547 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1549 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1551 * ssa.c (struct rename_set_data): Change the name of field
1552 'set_dest' to 'old_reg'. Add comments.
1553 (struct rename_context): Change the name of 'set_data' to
1554 'new_renames'. Add new field 'done_renames'.
1555 (create_delayed_rename): New function.
1556 (apply_delayed_renames): New function.
1557 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1558 SUBREGs and similar by emitting a move.
1559 (new_registers_for_updates): Delete, functionality moved to
1560 apply_delayed_renames.
1561 (rename_block): Handle moves emitted by rename_insn_1 by putting
1562 them into a SEQUENCE with the original insn. Add sanity checks
1564 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1565 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1567 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1568 Jason Merrill <jason@redhat.com>
1570 * dwarf2.h (enum dwarf_call_frame_info): Add
1571 DW_CFA_def_cfa_expression.
1572 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1573 dw_loc_descr_struct entry.
1574 (struct cfa_loc): New structure to track a CFA location.
1575 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1576 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1577 offset, plus handle DW_CFA_def_cfa_expression.
1578 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1580 (dwarf2out_def_cfa): Entry point maintained for compatability.
1581 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1582 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1583 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1584 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1586 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1587 sequences for the new DW_CFA_def_cfa_expression record.
1588 (dwarf2out_frame_debug): Use new variables/fields.A
1589 (output_cfi): Handle DW_CFA_def_cfa_expression.
1590 (output_cfa_loc): New function to generate a CFI record for
1591 DW_CFA_def_cfa_expression.
1592 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1593 a dw_loc_descr sequeunce.
1594 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1595 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1596 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1597 unwind info section.
1598 * frame.h (frame_state): Add base_offset and indirect fields.
1599 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1600 dw_loc_descr operation.
1601 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1602 (struct frame_state): Add base offset and indirect fields.
1603 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1605 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1607 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1608 Make warnings about implicit int be pedwarns in C99. Don't warn
1609 about duplicate type qualifiers in C99.
1610 (start_function): Make warning about implict int return type be a
1612 * c-lex.c (yylex): Don't warn about `long long' in C99.
1613 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1614 `return' with no value in function returning non-void.
1616 2000-06-26 Richard Henderson <rth@cygnus.com>
1618 * c-typeck.c (pedwarn_c99): New.
1619 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1620 * toplev.h: Prototype them.
1622 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1624 * c-typeck.c (digest_init): Return error_mark_node node when
1625 TREE_TYPE (init) == error_mark_node.
1627 2000-06-26 Philipp Thomas <pthomas@suse.de>
1629 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1630 test for msgfmt without path instead.
1631 * configure: Rebuilt.
1633 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1635 * gengenrtl.c (special_rtx): Fix typo in comment.
1637 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1639 * mklibgcc.in (LIB2FUNCS): Add missing space.
1641 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1643 * tree.h (enum tree_index): Add vector type nodes.
1644 Add accessor macros for them.
1645 (TYPE_REPRESENATION_TYPE): New macro.
1646 * tree.c (build_common_tree_nodes_2): Build these nodes.
1647 (finish_vector_type): New function.
1648 * c-common.c (type_for_mode): Handle vector modes.
1649 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1651 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1652 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1653 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1654 (gen_type_die): Likewise.
1655 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1656 (fundamental_type_code): Likewise.
1657 (type_is_fundamental): VECTOR_TYPEs aren't.
1658 (output_type): Handle VECTOR_TYPEs.
1660 2000-06-25 Kazu Hirata <kazu@hxi.com>
1662 * config/arm.c: Fix a comment typo.
1663 * config/arm.h: Likewise.
1665 2000-06-25 Philipp Thomas <pthomas@suse.de>
1667 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1669 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1670 * configure: Rebuilt.
1672 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1674 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1676 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1678 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1681 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1683 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1685 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1687 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1689 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1691 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1692 last_unconditional_cleanup.
1694 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1696 * tree.def (VECTOR_TYPE): New node type.
1697 * tree.h: Adjust some comments to reflect addition of vector types.
1698 (TYPE_VECTOR_SUBPARTS): New macro.
1699 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1700 * c-convert.c (convert): Likewise.
1701 * convert.c (convert_to_integer): Handle vector modes.
1702 (convert_to_vector): New function.
1703 * convert.h (convert_to_vector): Declare.
1704 * expr.c (convert_move): Handle vector modes.
1705 * expmed.c (extract_bit_field): Don't abort for vector modes.
1707 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1709 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1710 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1711 New functions, common code moved from function_{prologue,epilogue}
1712 and extended to support the -mtiny-stack option.
1713 (function_prologue, function_epilogue): Use them.
1714 Use lo8/hi8 consistently for asm output readability.
1715 (avr_hard_regno_mode_ok): New function.
1716 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1717 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1718 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1719 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1720 Write SPH before SPL.
1721 (*movqi): No need to disable interrupts for just one "out"
1722 in alternative 5. Change length attribute from 4 to 1.
1723 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1724 Write SPH before SPL.
1726 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1728 * rtl.texi (Vector Operations): New node.
1729 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1730 (Conversions): Add ss_truncate, us_truncate.
1731 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1732 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1733 US_TRUNCATE): New rtx codes.
1734 * machmode.def: Add vector modes.
1735 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1737 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1738 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1739 (VECTOR_MODE_P): New.
1741 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1743 * cpp.texi: Clarify #pragma GCC namespace.
1745 2000-06-24 Philipp Thomas <pthomas@suse.de>
1747 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1748 all catalogs specified in ALL_LINGUAS.
1749 * configure: Rebuilt.
1751 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1753 * config/sparc/sparc.md (reload_outdi+1): Handle
1754 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1755 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1757 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1759 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1760 struct vs. scalar-ness when -fno-strict-aliasing.
1762 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1764 * cpplib.c (struct pragma_entry): New structure.
1765 (pragma_dispatch): Pragma dispatcher.
1766 (top_pragmas, gcc_pragmas): New static variables.
1767 (do_pragma): Use pragma_dispatch.
1768 (do_pragma_gcc): New pragma handler.
1771 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1773 * calls.c (compute_argument_addresses): Force stack slots into
1775 * expr.c (emit_push_insn): Force pushes into alias set 0.
1777 2000-06-23 Richard Henderson <rth@cygnus.com>
1779 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1780 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1782 2000-06-22 Jason Merrill <jason@redhat.com>
1784 * toplev.c (compile_file): Always call timevar_print.
1785 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1787 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1789 * varasm.c (constant_descriptor): Make contents unsigned char.
1790 (mark_const_hash_entry): Adjust.
1791 (const_hash): Just hash the code of unknown nodes.
1792 (compare_constant_1): Adjust for unsigned char.
1793 Use language specific expander on unknown nodes.
1794 (record_constant_1): Likewise.
1796 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1798 * cppfiles.c (cpp_make_system_header): New function.
1799 * cpplib.h: Prototype it.
1800 * cpplib.c (do_line, do_pragma_system_header): Use it.
1801 * fix-header.c (read_scan_file): Use it.
1803 * fix-header.c (check_macro_names): Cast second arg of
1804 cpp_defined to const unsigned char *.
1805 (read_scan_file): Make getchar_call const unsigned char.
1807 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1809 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1810 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1811 (destroy_include_file_node): New.
1812 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1813 Create a splay tree, not a hash table.
1814 (open_include_file): Look up the path in the include table,
1815 do the multiple include optimization here, etc.
1816 (cpp_included): Walk the path.
1817 (find_include_file): Just walk the path calling
1818 open_include_file, or call it directly for an absolute path.
1819 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1821 (read_include_file): Update for new scheme. Don't close the
1822 file unless reading fails.
1823 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1825 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1826 (struct include_file): New.
1827 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1829 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1832 * cppinit.c: Include splay-tree.h.
1833 (cpp_reader_init, cpp_cleanup): Update.
1835 * cpplib.h (struct cpp_buffer): Change ihash field to
1836 'struct include_file *inc'. Remove system_header_p.
1837 (struct cpp_reader): Change all_include_files to a
1838 struct splay_tree_s *.
1840 * cpplex.c: Update all references to cpp_buffer->ihash and/or
1841 cpp_buffer->system_header_p.
1842 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
1844 * Makefile.in (SPLAY_TREE_H): New macro.
1845 (cppfiles.o, cppinit.o): Update dependencies.
1847 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
1849 * invoke.texi (g++): "g++" is not a script anymore.
1851 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1853 * function.c (round_down): Delete obsolete prototype.
1855 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
1857 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
1859 * configure.in: Use 'test a = b' not 'test a == b'.
1862 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
1864 * Makefile.in: Remove all references to HOST_INTLLIBS.
1866 * cpplex.c (parse_name): Don't warn about $ in identifiers if
1869 2000-06-20 Philipp Thomas <pthomas@suse.de>
1871 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
1874 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1876 * Take REG_INC notes into account.
1878 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
1880 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
1881 (primary: IDENTIFIER): Just call build_external_ref.
1882 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1884 * c-lex.c (lastiddecl): Remove.
1885 (yylex): Replace all instances of lastiddecl with local
1888 * c-typeck.c (build_external_ref): New function. Treat decls
1889 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
1890 Look up the decl from the id here. Call lookup_objc_ivar.
1891 * c-lang.c (lookup_objc_ivar): Stub.
1892 * objc/objc-act.c (lookup_objc_ivar): New function.
1894 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
1895 * c-lex.h: Don't declare lastiddecl.
1897 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
1899 * c-common.h (IF_COND): Added documentation.
1900 (THEN_CLAUSE): Likewise.
1901 (ELSE_CLAUSE): Likewise.
1902 (WHILE_COND): Likewise.
1903 (WHILE_BODY): Likewise.
1904 (DO_COND): Likewise.
1905 (DO_BODY): Likewise.
1906 (RETURN_EXPR): Likewise.
1907 (EXPR_STMT_EXPR): Likewise.
1908 (FOR_INIT_STMT): Likewise.
1909 (FOR_COND): Likewise.
1910 (FOR_EXPR): Likewise.
1911 (FOR_BODY): Likewise.
1912 (SWITCH_COND): Likewise.
1913 (SWITCH_BODY): Likewise.
1914 (CASE_LOW): Likewise.
1915 (CASE_HIGH): Likewise.
1916 (GOTO_DESTINATION): Likewise.
1917 (COMPOUND_BODY): Likewise.
1918 (ASM_CV_QUAL): Likewise.
1919 (ASM_STRING): Likewise.
1920 (ASM_OUTPUTS): Likewise.
1921 (ASM_INPUTS): Likewise.
1922 (ASM_CLOBBERS): Likewise.
1923 (DECL_STMT_DECL): Likewise.
1924 (STMT_EXPR_STMT): Likewise.
1925 (LABEL_STMT_LABEL): Likewise.
1927 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
1928 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
1929 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
1930 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1932 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1934 * configure.in (--enable-checking): Update --help doc to reflect
1935 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
1937 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1939 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
1941 * function.c (put_var_into_stack): Don't reference DECL_ fields
1942 if input is a SAVE_EXPR.
1943 Use set_mem_attributes in COMPLEX case.
1945 2000-06-18 Richard Henderson <rth@cygnus.com>
1947 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
1948 (ia64_file_start): Declare.
1949 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
1950 (GR_REGNO_P): Likewise.
1951 * config/ia64/ia64.c: Many prototypes.
1952 (ia64_reg_numbers): Constify.
1953 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
1954 (ia64_section_threshold): Make unsigned.
1955 (ia64_print_operand): Constify.
1956 (fix_range): Constify.
1957 (ia64_init_builtins): Don't compare signed vs unsigned.
1958 (ia64_expand_builtin): Likewise.
1960 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
1961 (CONSTRAINT_OK_FOR_Q): New.
1962 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
1963 (movsf_internal, movdf_internal): Likewise.
1964 (cmovdi_internal): Rewrite so that constraints and predicates match;
1966 (cmovsi_internal): Likewise.
1968 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
1969 (ASM_FILE_START): New.
1970 * config/ia64/ia64.c (ia64_file_start): New.
1971 (rtx_needs_barrier): Handle pred.rel.mutex.
1972 (emit_predicate_relation_info): New.
1973 * config/ia64/ia64.md (pred_rel_mutex): New.
1974 * config/ia64/linux.h (ASM_SPEC): Define.
1975 * config/ia64/sysv4.h (ASM_FILE_START): Define.
1977 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
1978 filtering global register variables.
1980 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1982 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
1984 2000-06-17 Michael Meissner <meissner@redhat.com>
1986 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
1987 not present and there is a field after a '-'.
1989 2000-06-17 Bruce Korb <bkorb@gnu.org>
1991 * fixinc/check.tpl: finish the implementation of multiple tests
1993 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
1994 (io_quotes_def): add a second test
1995 (various): reorder `files' so that "limits.h" is never first
1996 * fixinc/tests/base/*: update the testing output
1998 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2000 * gcc.texi: Remove reference to stupid.c.
2002 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2004 * c-common.c (c_tree_code_type): New array.
2005 (c_tree_code_length): Likewise.
2006 (c_tree_code_name): Likewise.
2007 (add_c_tree_codes): New function.
2009 * c-common.h (add_c_tree_codes): Declare.
2010 (enum c_tree_code): New enum.
2012 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2014 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2016 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2017 select pattern to also match macro defs with only one argument.
2019 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2021 * i386.md: Create new [right,left] rotate and right shift
2022 patterns to optimize shift by 1 bit for certain ia32 processors.
2023 Update patterns which perform left shifts to optimize shift by
2024 1 bit for certain ia32 processors.
2025 * i386.c (const_int_1_operand): New predicate.
2026 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2027 * i386-protos.h (const_int_1_operand): Prototype.
2029 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2031 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2033 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2035 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2038 2000-06-14 Richard Henderson <rth@cygnus.com>
2040 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2042 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2045 * print-rtl.c (print_rtx): Emit space before mem alias set.
2047 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2049 * rs6000.c (expand_block_move): Fix typo in earlier change.
2050 (print_operand): Remove unused variables neg and op.
2051 (toc_hash_mark_entry): Fix prototype.
2053 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2055 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2056 (THEN_CLAUSE): Likewise.
2057 (ELSE_CLAUSE): Likewise.
2058 (WHILE_COND): Likewise.
2059 (WHILE_BODY): Likewise.
2060 (DO_COND): Likewise.
2061 (DO_BODY): Likewise.
2062 (RETURN_EXPR): Likewise.
2063 (EXPR_STMT_EXPR): Likewise.
2064 (FOR_INIT_STMT): Likewise.
2065 (FOR_COND): Likewise.
2066 (FOR_EXPR): Likewise.
2067 (FOR_BODY): Likewise.
2068 (SWITCH_COND): Likewise.
2069 (SWITCH_BODY): Likewise.
2070 (CASE_LOW): Likewise.
2071 (CASE_HIGH): Likewise.
2072 (GOTO_DESTINATION): Likewise.
2073 (COMPOUND_BODY): Likewise.
2074 (ASM_CV_QUAL): Likewise.
2075 (ASM_STRING): Likewise.
2076 (ASM_OUTPUTS): Likewise.
2077 (ASM_INPUTS): Likewise.
2078 (ASM_CLOBBERS): Likewise.
2079 (DECL_STMT_DECL): Likewise.
2080 (STMT_EXPR_STMT): Likewise.
2081 (LABEL_STMT_LABEL): Likewise.
2082 (SCOPE_BEGIN_P): Likewise.
2083 (SCOPE_END_P): Likewise.
2084 (SCOPE_STMT_BLOCK): Likewise.
2085 (SCOPE_NULLIFIED_P): Likewise.
2086 (SCOPE_NO_CLEANUPS_P): Likewise.
2087 (SCOPE_PARTIAL_P): Likewise.
2088 (ASM_VOLATILE_P): Likewise.
2089 (STMT_LINENO): Likewise.
2090 (STMT_LINENO_FOR_FN_P): Likewise.
2092 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2093 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2094 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2095 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2096 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2098 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2100 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2102 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2103 writable in parts of the GCC code.
2105 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2106 specification match cast.
2108 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2110 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2111 * configure, config.in: Rebuilt.
2112 * sys-protos.h: Similarly.
2114 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2116 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2117 * basic-block.h (EDGE_COMPLEX): ... here.
2119 * loop.c (check_dbra_loop): Specify the register when
2120 generating REG_NONNEG notes and don't generate duplicates.
2122 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2124 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2125 (struct tree_type, struct tree_decl): Add user_align member.
2126 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2127 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2128 and DECL_USER_ALIGN 0, cap alignment to this value.
2129 (place_field): Likewise.
2130 (finalize_type_size): Set TYPE_USER_ALIGN.
2131 (layout_type): Likewise.
2132 (initialize_sizetypes): Likewise.
2133 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2134 DECL_USER_ALIGN to 1.
2135 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2136 (xfer_tag): Set TYPE_USER_ALIGN.
2137 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2138 (finish_enum): Likewise.
2139 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2140 (expand_anon_union_decl): Likewise.
2141 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2142 (build_index_type): Set TYPE_USER_ALIGN.
2143 (build_range_type): Likewise.
2144 (build_common_tree_nodes_2): Likewise.
2145 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2147 2000-06-13 Andreas Jaeger <aj@suse.de>
2149 * configure.in: Use --enable-checking=misc,tree,gc by default if
2150 no --enable-checking option is given and for
2151 --enable-checking=yes.
2152 * configure: Rebuilt.
2154 2000-06-13 Richard Henderson <rth@cygnus.com>
2156 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2157 (__throw): Don't pass the address of a label.
2159 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2160 current_function_is_leaf.
2161 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2162 instead of reg_names[RETURN_ADDRESS_REGNUM].
2163 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2164 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2165 from RETURN_ADDRESS_REGNUM. Update all uses.
2166 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2167 zero instead of null on failure.
2168 (ELIMINABLE_REGS): Add ra->b0 elimination.
2169 (CAN_ELIMINATE): Update accordingly.
2170 (INITIAL_ELIMINATION_OFFSET): Likewise.
2171 (REGISTER_NAMES): Use an illegal assembler name for
2172 RETURN_ADDRESS_POINTER_REGNUM.
2174 2000-06-13 Richard Henderson <rth@cygnus.com>
2176 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2177 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2178 (REG_CLASS_NAMES): Likewise.
2179 (REG_CLASS_CONTENTS): Likewise.
2180 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2181 (HARD_REGNO_MODE_OK): Remove references to them.
2182 (REGNO_REG_CLASS): Likewise.
2183 (REG_CLASS_FROM_LETTER): Likewise.
2184 (CLASS_MAX_NREGS): Likewise.
2185 (REGISTER_MOVE_COST): Likewise.
2186 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2187 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2188 (movqi_internal): Special case moves from zero.
2189 (movhi_internal, movsi_internal): Likewise.
2190 (movdi_internal): Likewise. Fill out "f" constraints.
2191 (movsf_internal): Fill out "r" constraints.
2192 (movdf_internal): Likewise.
2194 2000-06-13 Richard Henderson <rth@cygnus.com>
2196 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2197 alive before reload.
2199 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2200 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2201 (remove_dependence): Always define.
2202 (set_sched_group_p): New.
2203 (sched_analyze_2): Use it.
2204 (sched_analyze_insn): Don't special-case naked uses. Look for
2205 and extend in_post_call_group_p.
2206 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2207 (init_deps): Clear in_post_call_group_p.
2209 2000-06-13 Richard Henderson <rth@cygnus.com>
2211 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2212 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2213 and hard-coded tests.
2214 (simplify_set): Likewise.
2215 (gen_lowpart_for_combine): Likewise.
2216 * emit-rtl.c (gen_lowpart_common): Likewise.
2217 * global.c (find_reg): Likewise.
2218 * local-alloc.c (find_free_reg): Likewise.
2219 * recog.c (register_operand): Likewise.
2220 * regclass.c (init_reg_sets_1): Likewise.
2221 (record_operand_costs, regclass): Likewise.
2222 * reload.c (push_reload): Likewise.
2223 * reload1.c (choose_reload_regs): Likewise.
2224 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2225 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2226 Update all references.
2227 * regs.h (struct reg_info_def): Likewise.
2228 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2229 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2230 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2232 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2233 (CLASS_CANNOT_CHANGE_MODE_P): New.
2234 * config/mips/mips.h: Likewise.
2235 * config/pa/pa32-regs.h: Likewise.
2236 * config/pa/pa64-regs.h: Likewise.
2237 * config/rs6000/rs6000.h: Likewise.
2238 * config/sh/sh.h: Likewise.
2239 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2240 (CLASS_CANNOT_CHANGE_MODE_P): New.
2241 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2242 * config/d30v/d30v.h: Likewise.
2244 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2246 * configure.in: Add AC_TYPE_GETGROUPS test.
2247 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2248 * configure: Rebuilt.
2249 * config.in: Rebuilt.
2251 2000-06-13 Richard Henderson <rth@cygnus.com>
2253 * explow.c (set_mem_attributes): Do nothing for NULL type.
2255 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2257 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2260 2000-06-13 James E. Wilson <wilson@cygnus.com>
2262 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2264 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2266 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2268 2000-06-13 Philipp Thomas <pthomas@suse.de>
2270 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2271 * configure: Rebuilt.
2273 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2275 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2276 We now default to ELF for the i386, and a.out is the special case.
2277 * configure: Rebuilt.
2279 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2281 * final.c (final_scan_insn): Delete notes between cc0 setter and
2282 user when restarting from setter.
2284 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2286 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2287 cast to squelch signed/unsigned warnings.
2289 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2291 * cpplib.c (handle_directive): Print non-NUL-terminated string
2294 2000-06-12 Michael Meissner <meissner@redhat.com>
2296 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2297 path if the machine needs extra support to do conditional
2300 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2302 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2303 to print the alias set.
2304 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2306 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2308 * config/float-vax.h: Add GFLOAT defines.
2310 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2312 * configure.in: Update tm dependencies for MPE.
2313 * configure: Rebuilt.
2315 2000-06-12 H.J. Lu <hjl@gnu.org>
2317 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2319 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2321 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2322 (CPP_SPEC): Change mthreads to pthread.
2323 (LIB_SPEC): Likewise.
2324 (STARTFILE_SPEC): Likewise.
2325 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2326 (CPP_SPEC): Change mthreads to pthread.
2327 (LIB_SPEC): Likewise.
2328 (STARTFILE_SPEC): Likewise.
2329 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2330 * rs6000.c (reg_or_arith_cint_operand): New.
2331 (num_insns_constant_wide): Decorate unsigned constant.
2332 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2333 * rs6000.md (addsi3): Use new predicate.
2334 (subsi3, adddi3, subdi3): Likewise.
2336 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2338 * c-common.c (lang_get_alias_set): Fix typo.
2340 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2342 * flow.c (mark_used_regs): Revert last change.
2343 (life_analysis): Remove PROP_AUTOINC if running after reload.
2344 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2346 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2348 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2351 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2353 * bb-reorder.c (build_scope_forest): Initialize variable
2356 * calls.c (expand_call): Likewise for variables
2357 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2359 * i386.c (function_arg_advance, function_arg): Cast to avoid
2360 signed/unsigned warnings.
2362 * i386.h (MEMORY_MOVE_COST): Likewise.
2364 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2365 `else_start' and `else_end'.
2367 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2369 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2371 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2373 * Makefile.in (libintl.a): Depend on intl.all.
2375 2000-06-09 H.J. Lu (hjl@gnu.org)
2377 * Makefile.in (c-parse.o): Also depend on output.h.
2379 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2381 * mcore-protos.h: discards const warning removal.
2382 * mcore.c: discards const warning removal.
2384 2000-06-09 Kazu Hirata <kazu@hxi.com>
2386 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2387 the beginning of the file.
2389 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2391 * real.h: Add prototype for ldexp.
2393 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2395 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2396 it ggc_alloc, drop second argument, never clear returned memory.
2397 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2398 (ggc_alloc_cleared): New.
2399 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2400 ggc_alloc_obj. Remove ggc_alloc macro.
2401 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2403 * rtl.c (rtvec_alloc): Clear the vector always.
2404 (rtx_alloc): Clear the first word always. Remove dirty
2405 obstack tricks (this routine is no longer a bottleneck).
2406 * tree.c (make_node): Clear the new node always.
2407 (make_tree_vec): Likewise.
2408 (tree_cons): Clear the common structure always.
2409 (build1): Likewise; also, clear TREE_COMPLEXITY.
2410 * gengenrtl.c: Use puts wherever possible. Remove extra
2412 (gendef): Clear the first word of an RTX in the generator
2413 function, irrespective of ggc_p. Initialize '0' slots to
2415 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2416 thin wrapper macro around obstack_alloc.
2418 * stmt.c (expand_fixup): Use ggc_alloc.
2419 * c-typeck.c (add_pending_init): Use ggc_alloc.
2420 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2421 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2422 const0_rtx when it is created.
2423 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2424 we are not in a function.
2426 * tree.c (tree_class_check_failed): Make second arg an int.
2427 * tree.h: Update prototype.
2429 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2431 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2432 of an error_mark_node.
2434 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2436 * config/avr/avr.c (asm_output_section_name): bugfix.
2438 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2440 * timevar.def: Add TV_EXPAND.
2441 * timevar.c (timevar_print): Update timing information.
2442 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2444 * stmt.c (expand_return): Check for error_mark_node.
2446 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2448 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2450 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2451 variable against filename expansion when it contains "char *".
2453 * system.h (SSIZE_MAX): Delete backup definition.
2455 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2456 instead of SSIZE_MAX.
2458 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2460 * configure.in: Check whether gas supports -relax.
2461 * configure, config.in: Rebuilt.
2462 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2463 (EXTRA_SPECS): Add asm_relax.
2464 (ASM_SPEC): Add %(asm_relax).
2465 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2466 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2467 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2468 (ASM_SPEC): Add %(asm_relax).
2469 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2470 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2471 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2472 instead of mov, so that gas can further optimize it.
2474 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2476 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2478 (value_format, case dw_val_class_const): Use sdata format.
2479 (output_die): Call output_sleb128.
2481 2000-06-08 James E. Wilson <wilson@cygnus.com>
2483 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2484 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2485 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2486 (output_die, case dw_val_class_unsigned_const): Correct call to
2487 ASM_OUTPUT_DWARF_DATA8.
2488 (output_die, case dw_val_class_long_long): Use
2489 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2490 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2493 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2494 (output_function_prologue): Fix mispelling.
2495 (output_function_prologue, output_function_epilogue): Reorder to
2496 match ia64.c definition order.
2497 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2498 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2499 Use r3 instead of r2 for large stack restores.
2500 (ia64_output_end_prologue): New function.
2501 (process_set): Emit ".restore sp" for epilogue stack restores.
2502 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2504 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2506 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2509 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2511 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2513 2000-06-08 Denis Perchine <dyp@perchine.com>
2515 * frame.c (start_fde_sort): Don't malloc (0).
2517 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2519 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2521 * print-tree.c (print_node): The transparent_union_flag means
2522 different things for unions and arrays. Do not inspect it
2523 with TYPE_TRANSPARENT_UNION.
2525 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2527 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2530 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2532 * config/avr/avr.c (asm_output_section_name): output section
2534 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2536 2000-06-06 James E. Wilson <wilson@cygnus.com>
2538 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2539 fields into header field.
2540 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2541 macros to access length, flags, and version info from header field.
2542 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2543 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2544 (__do_global_ctors_aux): Fix caller.
2545 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2546 prologue_flag to header. Pass to read_P_record.
2547 (read_P_record): New argument header. Implement P4 format.
2548 Multiply P7_T_SIZE by 16.
2549 (execute_one_ia64_descriptor): New static local region_header. Pass to
2550 get_unwind_record. Copy r to region_header if r is a header record.
2551 (print_all_records): Likewise.
2552 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2553 (__get_personality, __get_except_table): Likewise.
2554 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2556 2000-06-06 Philipp Thomas <pthomas@suse.de>
2558 * configure.in (AC_C_INLINE): Added.
2559 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2560 * configure: Regenerate.
2562 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2564 * c-common.h (c_language_kind): New type.
2565 (c_language): New variab.e
2566 * c-common.c (lang_get_alias_set): Don't put structures in
2567 non-zero alias sets in C++.
2568 * c-decl.c (c_language): Define it.
2569 * c-lex.c (doing_objc_thang): Remove.
2570 * c-tree.h (doing_objc_thang): Make it a macro.
2571 * objc/objc-act.c (lang_decode_option): Set c_language, not
2574 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2576 * diagnostic.c (output_maximum_width): Remove.
2577 (doing_line_wrapping): Tweak.
2578 (diagnostic_buffer): New object.
2579 (global_output_buffer): New object.
2580 (output_destroy_prefix): New function.
2581 (default_initialize_buffer): Likewise.
2582 (reshape_diagnostic_buffer): Likewise.
2583 (initialize_diagnostics): Likewise.
2584 (output_clear): Tweak.
2585 (line_wrapper_printf): Adjust call to init_output_buffer.
2586 (vline_wrapper_message_with_location): Likewise. Use
2587 output_destroy_prefix.
2588 (v_message_with_decl): Likewise.
2590 * diagnostic.h (struct output_buffer): Constify prefix.
2591 (init_output_buffer, output_get_prefix): Constify.
2592 (diagnostic_message_length_per_line): Likewise.
2593 (reshape_diagnostic_buffer): Declare.
2594 (default_initialize_buffer): Declare.
2595 (initialize_diagnostics): Declare.
2596 (diagnostic_buffer): Declare new obbject.
2598 * toplev.c: #include diagnostic.h
2599 (display_help): Document diagnostic formatting options.
2600 (decode_f_option): Handle diagnostic formatting options.
2601 (main): Setup initialization for diagnostic messages outputter.
2603 * toplev.h (set_message_length): Remove.
2605 * Makefile.in (toplev.o): Depends upon diagnostic.h
2607 * invoke.texi : Document diagnostics formatting options.
2609 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2611 * configure.in (Make the links): Typo fix : the file that must be
2612 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2613 * configure: File rebuilt.
2615 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2617 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2618 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2620 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2621 emergency eh_context buffer, if malloc fails.
2622 (__eh_free): Moved from cp/exception.cc. Release to emergency
2623 eh_context buffer, if appropriate.
2625 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2627 * expr.c (store_expr): Fix typo.
2629 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2631 * m68k.c (legitimize_pic_address): Move prototype ...
2633 * m68k-protos.h (legitimize_pic_address): ... here.
2635 * m68k.md (legitimize_pic_address): Delete prototypes.
2636 (untyped_call): Invoke GEN_CALL(), not gen_call().
2638 * nextstep.c: Include system.h and toplev.h.
2639 (get_directive_line): Don't prototype.
2640 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2642 * nextstep.h (handle_pragma): Prototype.
2643 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2644 objc_section_init ...
2645 (EXTRA_SECTION_FUNCTIONS): ... here.
2647 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2649 * sdbout.c (struct sdb_file): NAME now const.
2650 (sdbout_init): input_file_name now const.
2651 (sdbout_start_new_source_file): FILENAME now const.
2652 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2654 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2656 * c-typeck.c (build_conditional_expr): Handle complex data types.
2658 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2660 * explow.c (maybe_set_unchanging): New function, broken out from...
2661 (set_mem_attributes): Here.
2662 * expr.h: Declare it.
2663 * stmt.c (expand_decl): Call it.
2665 2000-06-05 Richard Henderson <rth@cygnus.com>
2667 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2668 while looking for a register to inherit from.
2670 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2672 * Makefile.in (libgcc.ready): Lose.
2673 (libgcc.mk): Just use mv, not move-if-change.
2674 (LIBGCC_DEPS): New macro.
2676 (stmp-multilib): Likewise.
2677 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2678 it rather than the directories themselves.
2679 (LIB2ADD): Depend on the list file rather than 'force'.
2681 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2682 cv-qualified versions of types.
2684 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2686 * config/sparc/sparc.c (short_branch): Correct error in range
2689 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2691 * fixinc/inclhack.def: New include hacks for ultrix.
2692 * (nested_ultrix): Replaced by ultrix_nested_svc.
2693 * (ultrix_atof_param): test_text string added.
2694 * (ultrix_ifdef): Modified select string.
2696 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2698 * objc/objc-act.c (generate_method_descriptors): Register
2699 objc_method_prototype_template as a GC root.
2700 (comp_method_with_proto): Register function_type as a GC root.
2701 (comp_proto_with_proto): Replace function_type1 and
2702 function_type2 with a two-element array; register it as a GC root.
2704 (generate_protocols, build_protocol_initializer,
2705 generate_protocol_list, build_category_initializer,
2706 build_shared_structure_initializer): Do not cache cast_type
2709 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2711 * function.c (assign_parms): Add missing argument to set_mem_attributes
2714 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2716 * tree.h (VOID_TYPE_P): New macro.
2717 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2718 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2719 (get_parm_info): Likewise.
2720 (store_parm_decls): Likewise.
2721 (combine_parm_decls): Likewise.
2722 (finish_function): Likewise.
2723 * c-typeck.c (build_function_call): Likewise.
2724 (build_binary_op): Likewise.
2725 (build_conditional_expr): Likewise.
2726 (internal_build_compound_expr): Likewise.
2727 (convert_for_assignment): Likewise.
2728 * stmt.c (expend_expr_stmt): Likewise.
2729 (warn_if_unused_value): Likewise.
2730 (expand_return): Likewise.
2731 * c-parse.in (primary): Likewise.
2732 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2733 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2735 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2737 * alias.c (get_alias_set): If compnent is addressable, use alias
2739 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2740 (grokdeclarator): Likewise.
2741 * c-typeck.c (common_type): Likewise.
2743 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2745 * Makefile.in (OBJS): Remove dyn_string.o
2746 (dyn-string.o): Delete rule.
2747 * dyn-string.c: Delete file
2748 * dyn-string.h: Likewise.
2750 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2752 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2755 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2757 * alias.c (record_component_aliases): Don't inspect
2758 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2760 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2762 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2763 it with the pattern to do machine dependent work.
2764 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2765 use it to modify the true/false tests used in conditional
2766 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2767 defined, invoke them if the conversion to conditional execution
2768 was successful or not.
2770 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2771 (IFCVT_MODIFY_INSN): Ditto.
2772 (IFCVT_MODIFY_FINAL): Ditto.
2773 (IFCVT_MODIFY_CANCEL): Ditto.
2775 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2777 * toplev.c (main): Fix misspellings of possibility and language.
2779 2000-06-03 Richard Henderson <rth@cygnus.com>
2781 * alias.c (record_alias_subset): Initialize has_zero_child in the
2784 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2786 * arm.md (untyped_call): Use GEN_CALL macro.
2788 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2790 * Makefile.in: Use $(MAKE) not "make"
2792 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2794 * alias.c (struct alias_set_entry): New field has_zero_child.
2795 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2796 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2798 Call record_component_aliases for aggregate types.
2799 (record_alias_subset): Set has_zero_child.
2800 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2801 TYPE_NONALIASES_COMPONENT.
2802 (record_component_aliases, case RECORD_TYPE): Test
2803 DECL_NONADDRESSABLE_P.
2804 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2805 of TREE_ADDRESSABLE.
2806 * calls.c (initialize_argument_information): Only test
2807 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2808 * function.c (assign_parms): Likewise.
2809 * integrate.c (function_cannot_inline_p): Likewise.
2810 * stor-layout.c (finish_record_layout): Don't call
2811 record_component_aliases.
2812 * tree.h (struct tree_int_cst): Use struct tree_common.
2813 (struct tree_real_cst, struct tree_string): Likewise.
2814 (struct tree_complex, struct tree_identifier): Likewise.
2815 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2816 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2817 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2818 (TYPE_NONALIASES_COMPONENT): New macro.
2819 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2820 (DECL_NONADDRESSABLE_P): New macro.
2821 (struct tree_decl): Reorder bits for clarity of how many left;
2824 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2826 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2827 * mklibgcc.in (force): New target.
2828 Make LIB2ADD stuff depend on it.
2830 2000-06-02 Richard Henderson <rth@cygnus.com>
2832 * alias.c (lang_get_alias_set): Remove.
2833 (get_alias_set): Call it directly, not indirectly.
2834 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2835 * c-common.h (c_get_alias_set): Don't declare.
2836 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
2837 * expr.h (lang_get_alias_set): Declare as function, not pointer.
2839 2000-06-02 Bruce Korb <bkorb@gnu.org>
2841 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
2842 (server_setup): define the server's master pid
2843 (close_server): actually do the deed IFF we are the server's master
2845 2000-06-02 Jakub Jelinek <jakub@redhat.com>
2847 * c-common.c (c_get_alias_set): Check whether signed_type did not
2848 return its argument before calling get_alias_set on the result.
2850 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
2852 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2854 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2856 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
2857 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
2858 for TARGET_NOMACSAVE.
2859 (NOMACSAVE_BIT): Define.
2860 (TARGET_NOMACSAVE): Define.
2861 (TARGET_SWITCHES): Add "nomacsave".
2863 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
2865 * sh.md (untyped_call): Remove excess parameters
2867 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
2869 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
2870 match that used before the conversion to c_fix style.
2871 * fixinc/fixincl.x: regenerate
2873 2000-06-01 Stan Cox <scox@cygnus.com>
2875 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
2876 macro argument typo.
2878 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
2880 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
2882 * cpplib.c (parse_include): Remove support for VAX-C
2883 "#include starlet" misfeature.
2885 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
2887 * cppfiles.c: conditionally define O_BINARY.
2888 (open_include_file): pass O_BINARY to open().
2890 2000-06-01 Richard Henderson <rth@cygnus.com>
2892 * i960.c (i960_br_predict_opcode): Remove.
2893 (i960_print_operand) [+]: Emit branch prediction hints.
2894 (i960_function_arg): Return early for VOIDmode.
2895 (i960_round_align): Return early for incomplete types.
2896 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2897 * i960.md (all conditional branches): Add "%+".
2899 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2901 * alias.c (get_alias_set): Don't call language-specific routine more
2902 than is needed and clean up code a bit.
2903 * c-common.c (c_get_alias_set): All references whose type
2904 is char get alias set 0, but character types need not.
2905 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
2906 (make_decl_rtl): Don't call it for FUNCTION_DECL.
2908 2000-06-01 Bruce Korb <bkorb@gnu.org>
2910 * fixinc/tests/base/...: new base result files
2912 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2914 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
2915 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
2916 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
2919 2000-06-01 Richard Henderson <rth@cygnus.com>
2921 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
2923 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
2925 2000-05-31 Richard Henderson <rth@cygnus.com>
2927 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
2928 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
2929 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
2931 2000-05-31 Richard Henderson <rth@cygnus.com>
2933 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
2934 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
2935 (ia64_print_operand) [+]: ... here. Use current_output_insn.
2936 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2937 * config/ia64/ia64.md (all branch/call patterns): Use %+.
2939 2000-05-31 Richard Henderson <rth@cygnus.com>
2941 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
2943 2000-05-31 Richard Henderson <rth@cygnus.com>
2945 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
2947 (find_if_block): Allow THEN with no outgoing edges.
2948 * flow.c (merge_blocks_nomove): Remove a barrier not following
2951 2000-05-31 Richard Henderson <rth@cygnus.com>
2953 * flow.c (propagate_block): Move initialization of mem_set_list ...
2954 (init_propagate_block_info): ... here. Also track blocks with
2955 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
2957 2000-05-31 Richard Henderson <rth@cygnus.com>
2959 * jump.c (jump_optimize_1): Revert 05-18 change.
2961 2000-05-31 Mark Mitchell <mark@codesourcery.com>
2963 * invoke.texi: Remove documentation for -fguiding-decls.
2965 2000-05-31 Richard Henderson <rth@cygnus.com>
2967 * configure.in: Fix typo last change.
2969 2000-05-31 Philipp Thomas <pthomas@suse.de>
2971 * configure.in (enable-nls): Enable if build == host, i.e. when
2972 not building a canadian cross compiler.
2973 (enable-maintainer-mode): Added for use with i18n.
2974 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
2975 cross section of ALL_LINGUAS and LINGUAS.
2976 * configure: Rebuild.
2978 2000-05-31 Bruce Korb <bkorb@gnu.org>
2980 * fixinc/check.tpl: rework to use test result tree
2981 * fixinc/Makefile.in: change invocation of check script
2982 * fixinc/check.diff: No longer needed
2983 * fixinc/fixincl.x: regenerate
2984 * fixinc/inclhack.def: add new tests
2985 * fixinc/tests/base/arch/i960/archI960.h: New test result
2986 * fixinc/tests/base/curses.h: modified test result
2987 * fixinc/tests/base/stdio.h: ditto
2988 * fixinc/tests/base/time.h: ditto
2989 * fixinc/tests/base/sys/asm.h: ditto
2990 * fixinc/tests/base/sys/stat.h: ditto
2991 * fixinc/tests/base/sys/wait.h: ditto
2993 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
2995 * except.c (clear_function_eh_region): Do not free NULL.
2997 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2999 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3000 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3001 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3002 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3003 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3004 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3005 (get_alias_set): Likewise.
3006 Major rework to do more things and allow language-specific code
3007 to just handle special-cases.
3008 (record_alias_subset): Args are HOST_WIDE_INT.
3009 (record_component_alias): Local vars are HOST_WIDE_INT.
3010 Don't handle COMPLEX_EXPR.
3011 (get_varargs_alias_set): Moved from builtins.c.
3012 (get_frame_alias_set): New function.
3013 * builtins.c (expand_builtin_return_address): Use frame alias set.
3014 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3016 (get_memory_rtx): Rework to use set_mem_attributes.
3017 (get_varargs_alias_set): Deleted from here.
3018 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3019 (c_find_base_decl): Deleted from here.
3020 (c_get_alias_set): Remove many cases and rework to just handle
3022 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3023 * c-decl.c (rtl.h, expr.h): Now included.
3024 (init_decl_processing): Call record_component_aliases on array types.
3025 (grokdeclarator): Likewise.
3026 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3027 * c-typeck.c (common_type): Call record_component_aliases for array.
3028 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3029 Set all save areas to the frame alias set.
3030 * calls.c (initialie_argument_information): Call set_mem_attributes.
3031 (compute_argument_addresses, expand_call): Likewise.
3032 * explow.c (set_mem_attributes): New function.
3033 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3034 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3035 LEN and OFFSET now HOST_WIDE_INT.
3036 (clear_by_pieces): Similar changes.
3037 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3038 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3039 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3040 (clear_by_pieces_1): Likewise.
3041 (emit_push_insn): Call set_mem_attributes.
3042 (expand_expr, case INDIRECT_REF): Likewise.
3043 (expand_expr, case VAR_DECL): Call change_address.
3044 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3046 (get_varargs_alias_set, get_frame_alias_set): New decls.
3047 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3048 (new_alias_set, set_mem_attributes): Likewse.
3049 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3050 (assign_stack_temp_for_type): Likewise.
3051 Can split slot even if alias set since can copy.
3052 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3053 (assign_temp): Use host_integerp and tree_low_cst.
3054 (put_var_into_stack): Properly handle SAVE_EXPR.
3055 (put_addressof_into_stack): Likewise.
3056 (assign_parms): Call set_mem_attributes.
3058 (fix_lexical_address): Put reference to chain into frame alias set.
3059 (expand_function_start): Call set_mem_attributes.
3060 * integrate.c (expand_inline_function): Likewise.
3061 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3062 * regmove.c (try_apply_stack_adjustment): Likewise.
3063 * reload.c (push_reload, make_memloc): Likewise.
3064 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3065 * rtl.def (MEM): Update comment.
3066 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3067 (move_by_pieces): Change length to HOST_WIDE_INT.
3068 (record_base_value, record_alias_subset): Delete from here.
3069 * stmt.c (expand_decl): Call set_mem_attributes.
3070 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3071 * toplev.c (compile_file): Call init_alias_once earlier.
3072 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3073 from here: now in alias.c.
3074 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3075 (struct tree_decl): Likewise.
3076 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3077 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3078 (output_constant_def, force_const_mem): Likewise.
3080 * flow.c (propagate_block): If block has no successors, stores to
3081 frame are dead if not used.
3083 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3085 * stmt (expand_end_case): Reorder conversion sequence for jump
3086 table to avoid extra truncations.
3088 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3090 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3091 in the block is more than just a simple conditional branch.
3092 (noce_process_if_block): Similarly.
3094 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3096 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3099 2000-05-30 Michael Meissner <meissner@redhat.com>
3101 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3102 instructions. Treat LO_SUM operations as loading the full integer
3105 2000-05-30 Richard Henderson <rth@cygnus.com>
3107 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3109 2000-05-30 Richard Henderson <rth@cygnus.com>
3111 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3113 2000-05-30 Bruce Korb <bkorb@gnu.org>
3115 * fixinc/tests/*: Added expected result files for fixinc's make check
3116 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3118 2000-05-30 Richard Henderson <rth@cygnus.com>
3120 * config/alpha/alpha.md (*setne_internal): Use match_operator
3121 instead of working down from insn.
3123 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3125 * invoke.texi (-Wtraditional): Update WRT function macros.
3127 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3129 * except.c (free_exception_table): Do not free NULL.
3131 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3133 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3134 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3137 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3139 * flow.c (mark_used_reg): If a register is unconditionally live,
3140 remove any conditional death information.
3142 2000-05-29 Richard Henderson <rth@cygnus.com>
3144 * final.c (current_output_insn): New.
3145 (final_scan_insn): Set it.
3146 * output.h: Declare it.
3148 2000-05-29 Richard Henderson <rth@cygnus.com>
3150 * stor-layout.c (finalize_record_size): Fix typo.
3152 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3155 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3157 * cpplib.h (cpp_reader): Remove if_stack. Change
3158 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3159 * cpphash.h (struct ihash): Change control_macro to a
3160 cpp_hashnode * and shorten name to cmacro.
3161 Add NEVER_REINCLUDE constant.
3163 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3164 Examine the cmacro node directly, no need to call cpp_defined.
3165 (_cpp_execute_include, read_include_file): Set cmacro to
3166 NEVER_REINCLUDE, not U"".
3167 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3168 (cpp_get_token): If pfile->skipping is true, discard text and
3169 keep scanning until we hit a directive; don't expand macros.
3171 * cpplib.c (struct if_stack): Remove if_succeeded, add
3172 was_skipping. Change control_macro to a cpp_hashnode * and
3173 shorten name to cmacro. Remove typedef IF_STACK.
3174 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3175 (conditional_skip, skip_if_group,
3176 consider_directive_while_skipping): Delete.
3177 (push_conditional): New.
3178 (_cpp_handle_directive): Don't process directives other than
3179 conditionals if we are skipping.
3181 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3182 Update to new scheme.
3183 (validate_else): Skip rest of line here, unconditionally.
3184 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3185 pfile->skipping off.
3187 (all): Remove `scare quotes' from error messages.
3189 2000-05-29 Richard Henderson <rth@cygnus.com>
3191 * function.c (emit_return_into_block): New line_note arg; emit it.
3192 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3193 for the close brace to accompany HAVE_return. Move all line notes
3194 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3196 2000-05-29 Richard Henderson <rth@cygnus.com>
3198 * longlong.h [__alpha] (count_leading_zeros): New.
3199 (count_trailing_zeros): New.
3200 (COUNT_LEADING_ZEROS_0): New.
3202 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3203 (alpha_split_conditional_move): New.
3204 * config/alpha/alpha-protos.h: Prototype them.
3205 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3206 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3207 * config/alpha/alpha.md: Update ffs cix commentary.
3209 (*nabssf2, *nabsdf2): New.
3210 (*mov[qhsd]icc_internal): Use add_operand.
3211 (if_then_else constant splitters): New.
3212 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3213 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3215 2000-05-29 Richard Henderson <rth@cygnus.com>
3217 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3218 a constant to NEG or NOT when conditions allow.
3220 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3221 unless both args are general_operand. Don't canonicalize plus
3222 to ior unless it helps.
3224 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3225 instead track register_life_up_to_date. Toggle no_new_pseudos
3228 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3230 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3231 so output_operand doesn't see them.
3233 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3235 * lcm.c (make_preds_opaque): Fix comment.
3236 (optimize_mode_switching): Use NORMAL_MODE instead of
3237 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3238 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3239 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3240 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3241 (MODE_USES_IN_EXIT_BLOCK): Delete.
3242 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3243 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3244 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3245 (MODE_NEEDED): Don't look for USE.
3246 (EPILOGUE_USES): Define.
3248 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3250 * mklibgcc.in (all): Variable initialised to `libgcc'.
3252 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3254 * toplev.h (skip_leading_substring): New macro.
3255 * toplev.c (decode_f_option): Use skip_leading_substring instead
3257 (decode_W_option): Likewise.
3259 2000-05-28 Nick Clifton <nickc@cygnus.com>
3261 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3264 2000-05-28 Richard Henderson <rth@cygnus.com>
3266 * regclass.c (record_operand_costs): Protect reg_changes_size
3267 with CLASS_CANNOT_CHANGE_SIZE.
3269 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3271 2000-05-28 Richard Henderson <rth@cygnus.com>
3273 * function.c (diddle_return_value): A pcc-style struct return
3276 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3278 * cppfiles.c: Read files in, using mmap if possible, then
3279 prescan them separately.
3280 (read_file, read_with_read): New functions.
3281 * cpplex.c: Don't define UCHAR_MAX.
3282 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3285 * cppinit.c (handle_option): Automatically define __cplusplus,
3286 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3287 the respective -lang switch.
3289 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3290 prototype): Move to...
3291 * cpplib.h: ... here. Rename struct hashnode to struct
3292 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3293 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3295 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3297 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3299 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3300 (class_can_change_size): New variable.
3301 (reg_changes_size): New variable.
3302 (init_reg_sets_1): Initialise class_can_change_size.
3303 (record_operand_costs): Remove subreg_changes_size.
3304 Don't pass it around. Instead update reg_changes_size.
3305 (regclass): Initialise and free reg_changes_size. If a register
3306 changes size, don't preference it to a class that contains
3307 registers that can't change size.
3308 (record_reg_classes): Don't look at subreg_changes_size.
3310 2000-05-27 Richard Henderson <rth@cygnus.com>
3312 * print-rtl.c (reg_names): Remove const.
3313 * regclass.c (reg_names): Likewise.
3314 * regs.h (reg_names): Likewise.
3315 * hard-reg-set.h (reg_names): Likewise.
3317 2000-05-27 Richard Henderson <rth@cygnus.com>
3319 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3321 2000-05-27 Richard Henderson <rth@cygnus.com>
3323 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3324 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3325 (alpha_expand_prologue): Emit prologue_mcount if needed.
3326 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3327 * config/alpha/alpha.md (prologue_mcount): New.
3328 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3329 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3330 * config/alpha/netbsd.h: Likewise.
3332 2000-05-27 Richard Henderson <rth@cygnus.com>
3334 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3335 change to config/elfos.h.
3337 2000-05-27 Richard Henderson <rth@cygnus.com>
3339 * Makefile.in (resource.o): Depend on except.h.
3340 * except.h (output_exception_table_data): Prototype.
3341 * genconfig.c (gen_peephole2): Prototype.
3342 * genemit.c (main): Include ggc.h.
3343 * genoutput.c: Revert parts of last change: include errors.h
3344 (main): Set progname.
3345 * recog.c: Include hard-reg-set.h before recog.h.
3346 * resource.c: Include except.h.
3348 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3350 (alpha_write_linkage): Protect with BUFSIZ.
3351 (alpha_need_linkage): Update prototype.
3352 * config/alpha/alpha.c (function_arg): Move VMS code here.
3353 (alpha_links_base): Remove.
3355 (mark_alpha_links_node, mark_alpha_links): New.
3356 (alpha_write_one_linkage): New.
3357 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3358 (alpha_write_linkage): Use splay_tree_foreach.
3359 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3360 to get the linkage symbol.
3361 (call_value_vms): Likewise.
3362 * config/alpha/elf.h (output_file_directive): Remove decl.
3363 (ctors_section, dtors_section): Prototype.
3364 (sbss_section, sdata_section): Prototype.
3365 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3366 (readonly_section, link_section, literals_section): Prototype.
3367 (ctors_section, dtors_section): Prototype.
3368 (vms_valid_decl_attribute_p): Remove decl.
3369 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3371 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3373 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3375 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3376 substituting the REG in a (subreg:X (reg:Y ...)).
3378 2000-05-28 Neil Booth <NeilB@earthling.net>
3380 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3381 first token of a line BOL. Update EOF code for this.
3382 Remove illegal directive check - it appears in the (not
3383 yet committed) caller.
3384 * cpplib.h (BOL): New flag.
3386 2000-05-28 Neil Booth <NeilB@earthling.net>
3388 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3389 (_cpp_free_toklist): No comment space to free.
3390 (expand_comment_space): Remove.
3391 (save_comment_space): Place the comment in the current token and
3392 not in a separate comment space.
3393 (_cpp_lex_line): Save comments during plain code and #define
3395 * cpplib.h (struct _cpp_toklist): Remove comment space.
3397 2000-05-28 Neil Booth <NeilB@earthling.net>
3399 * cppexp.c (parse_assertion): Supply extra argument to
3401 * cpplib.c (do_assert, do_unassert): Similarly.
3402 * cpphash.h (_cpp_init_toklist) Update.
3403 (_cpp_expand_token_space): New.
3404 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3405 * cpplex.c (_cpp_init_toklist): New argument.
3406 (parse_string2): New argument multiline_ok.
3407 (spell_token): Take a const cpp_token *.
3408 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3409 (SPELL_ macros): Replace with enum.
3410 (expand_token_space): Replace with _cpp_expand_token_space.
3411 Take COUNT argument.
3412 (IS_DIRECTIVE): Update.
3413 (_cpp_lex_line): Update token structure before parsing number.
3414 Don't assume start at beginning of token list.
3415 (save_comment): Use INIT_TOKEN_NAME.
3417 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3419 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3420 -Wmissing-prototypes.
3421 * configure: Regenerate.
3422 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3424 * builtins.c, calls.c: Change all instances of gen_call_* or
3425 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3426 * calls.c (struct_value_size_rtx): Separate definition from
3427 initialization to avoid unused variable warning.
3429 * genflags.c (gen_macro): New function.
3430 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3431 (gen_nonproto): Delete.
3432 (gen_insn): Put all insns on the same obstack.
3433 (main): Generate prototypes for everything unconditionally.
3435 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3436 out check for wchar_t.
3437 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3438 * system.h: Add infrastructure for defining missing
3439 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3440 definitions of UCHAR_MAX and SSIZE_MAX.
3441 * configure: Regenerate.
3442 * config.in: Regenerate.
3444 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3445 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3447 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3448 libgcc2.a, or libgcc1.null.
3450 2000-05-27 Richard Henderson <rth@cygnus.com>
3452 * Makefile.in (recog.o): Don't depend on resource.h.
3453 * recog.c: Don't include resource.h.
3454 (recog_last_allowed_insn): Remove.
3455 (recog_next_insn): Remove.
3456 (struct peep2_insn_data): New.
3457 (peep2_insn_data, peep2_current): New.
3458 (peep2_next_insn): New.
3459 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3460 (peep2_find_free_register): New.
3461 (peephole2_optimize): Track life information by insn as we go.
3462 * recog.h: Update declarations.
3463 * resource.c (find_free_register, reg_dead_p): Remove.
3464 * resource.h: Remove their declarations.
3465 * toplev.c: Include hard-reg-set.h before recog.h.
3467 * genconfig.c (max_insns_per_peep2): New.
3468 (gen_peephole2): New.
3470 * genemit.c (output_peephole2_scratches): Generate calls to
3471 peep2_find_free_register; adjust surrounding code.
3472 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3473 * genrecog.c (change_state): Don't track last_insn.
3474 (write_action): Write into *_pmatch_len before accepting.
3475 (write_tree): Adjust peephole2_insns and subroutines to match.
3477 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3479 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3480 (hard_int_register_operand): New.
3481 * config/alpha/alpha-protos.h: Declare it.
3482 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3483 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3484 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3486 2000-05-27 Richard Henderson <rth@cygnus.com>
3488 * function.c (thread_prologue_epilogue_insns): Don't move the
3489 line note at the head of the chain. Only force a lineno note
3490 before the end of block 0.
3492 2000-05-27 Richard Henderson <rth@cygnus.com>
3494 * gensupport.c (collect_insn_data): Record the maximum number
3495 of alternatives, not the last seen.
3497 * genoutput.c: Don't include errors.h.
3498 (struct data): Add lineno member.
3500 (scan_operands): Use message_with_line instead of error.
3501 (validate_insn_alternatives): Likewise.
3502 (gen_insn): Accept and store the pattern's line number.
3503 (gen_peephole, gen_expand, gen_split): Likewise.
3504 (main): Don't set progname. Pass line_no to gen_foo.
3506 2000-05-27 Richard Henderson <rth@cygnus.com>
3508 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3509 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3510 * config/d30v/d30v.md (attr predicable): New.
3511 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3512 (andsi3*): Unify into one pattern.
3513 (iorsi3*, xorsi3*): Likewise.
3514 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3516 (old cond_exec patterns): Remove.
3517 (define_cond_exec): New.
3519 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3521 * tree.h (TREE_CODE_LENGTH): New macro.
3522 * c-common.c (c_find_base_decl): Use it.
3523 * expr.c (safe_from_p): Likewise.
3524 * print-tree.c (print_node): Likewise.
3525 * tree.c (make_node, copy_node, get_identifier): Likewie.
3526 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3527 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3528 * fold-const.c (make_range): Likewise.
3529 (fold): Likewise; also use first_rtl_op.
3530 * c-iterate.c (collect_iterators): Use first_rtl_op.
3531 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3532 Use IS_EXPR_CODE_CLASS.
3533 (preexpand_calls): Likewise.
3534 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3535 and TREE_CODE_LENGTH.
3536 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3538 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3540 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3542 (movdi_internal64): Likewise.
3544 * config/rs6000/rs6000.md: Correct order of operands for DImode
3547 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3548 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3549 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3550 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3551 boolean_operator for the boolean patterns without NOTs.
3553 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3554 from reg_or_u_cint_operand. Change comment and behaviour.
3555 (logical_operand): Clean up, add assertion.
3556 (non_logical_cint_operand): Also check for
3557 reg_or_logical_cint_operand.
3558 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3559 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3565 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3567 * tree.h (struct record_layout_info): Rename to (struct
3568 record_layout_info_s).
3569 * stor-layout.c (start_record_layout): Replace
3570 `record_layout_info' with `record_layout_info_s'.
3572 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3574 * flow.c (find_label_refs): New function.
3575 (find_basic_blocks_1): Call it for each alternative of a call
3578 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3580 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3583 2000-05-25 Richard Henderson <rth@cygnus.com>
3585 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3586 so strict about DImode.
3587 (alpha_swapped_comparison_operator): Likewise.
3588 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3589 any integer output mode.
3590 (*setcc_internal): Likewise.
3591 (*setcc_swapped_internal): Likewise.
3592 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3593 (*mov[qhs]icc_internal): New.
3594 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3596 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3598 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3600 2000-05-25 Richard Henderson <rth@cygnus.com>
3602 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3603 Remove add_jump; add next; replace flags with visited.
3605 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3606 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3607 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3608 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3610 (reorder_index, reorder_last_visited): Remove.
3611 (skip_insns_after_block): Rewrite to use a switch.
3612 (get_common_dest): Remove.
3613 (chain_reorder_blocks): Remove.
3614 (record_effective_endpoints): Split out from reorder_basic_blocks.
3615 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3616 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3617 Only construct the reorder chain, do not move insns. Try harder
3619 (label_for_bb, emit_jump_to_block_after): New.
3620 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3621 and adjust the jump insns appropriately. Fixup basic_block_info.
3622 (verify_insn_chain): Always define.
3623 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3625 (make_new_scope): Don't write zeros to calloc'd space.
3626 (build_scope_forest): Rely on xrealloc to DTRT.
3627 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3628 profile_arc_flag. Streamline EH test.
3630 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3631 * basic-block.h: Declare them.
3633 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3635 * emit-rtl.c (reset_used_decls): New function.
3636 (unshare_all_rtl_again): Call it.
3638 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3640 * cpplex.c (maybe_macroexpand): Warn about function-like
3641 macros used in non-function context, if -Wtraditional.
3643 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3645 * recog.c (peephole2_optimize): Use INSN_P.
3647 2000-05-25 Richard Henderson <rth@cygnus.com>
3649 * ifcvt.c (seq_contains_jump): New.
3650 (noce_try_store_flag_constants): Use it to fail conversion.
3651 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3653 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3655 * except.h (can_throw): Declare it.
3656 * except.c (can_throw): Give it external linkage.
3657 * resource.c (find_dead_or_set_registers): Use can_throw.
3659 2000-05-25 Richard Henderson <rth@cygnus.com>
3661 * flow.c (mark_set_1): Don't record conditionally dead memory.
3663 2000-05-25 Jan Hubicka <jh@suse.cz>
3665 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3666 and pc_set at the place of simplejump_p and condjump_p.
3667 * cse.c (record_jump_equiv): Likewise.
3668 * emit-rtl.c (emit): Likewise.
3669 * explow.c (find_next_ref): Likewise.
3670 * flow.c (tidy_fallthru_edge): Likewise.
3671 (init_propagate_block_info): Likewise.
3672 * gcse.c (delete_null_pointer_checks): Likewise.
3673 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3674 dead_or_predicable): Likewise.
3675 * integrate.c (copy_insn_list): Likewise.
3676 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3677 for_each_insn_in_loop, check_dbra_loop, get_condition,
3678 insert_bct, load_mems): Likewise.
3679 * resource.c (find_dead_or_set_registers): Likewise.
3680 * sibcalls.c (simplejump_p): Likewise.
3681 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3683 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3685 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3686 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3688 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3689 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3690 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3691 * rs6000.md: Name various internal patterns.
3693 2000-05-25 Jan Hubicka <jh@suse.cz>
3695 * jump.c (invert_exp_1): Remove first argument, use pc_set
3696 to get the expression.
3697 (redirect_exp): Make static; redirect only the pc_set expression,
3698 remove first argument.
3699 (invert_exp): Remove first argument, make static.
3700 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3701 any_onlyjump at most places where we originaly did condjump_p
3703 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3704 (delete_barrier_succesors): Use pc_set.
3705 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3706 calls of invert_exp and redirect_exp.
3707 * rtl.h (redirect_exp, invert_exp): Remove.
3708 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3710 2000-05-25 Richard Henderson <rth@cygnus.com>
3712 * stmt.c (expand_end_bindings): Fix thinko last change.
3714 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3715 Andrew Haley <aph@cygnus.com>
3717 * except.c (func_eh_entry): Add emitted field.
3718 (new_eh_region_entry): Set emitted field to 0;
3719 (output_exception_table_entry): Only emit previously un-emitted data,
3720 and send it to the eh_data section.
3721 (output_exception_table): Break out common parts. Output
3722 exception table for entire compilation unit to eh_data section.
3723 (output_exception_table_data): Common parts of output_exception_table.
3724 Send output to eh_data section.
3725 (output_function_exception_table): Output exception table data for
3726 a single function to eh_data section.
3727 (free_exception_table): New external to free the table.
3728 * except.h (free_exception_table): Add prototype.
3729 (output_function_exception_table): Add prototype.
3730 * final.c (final_end_function): Output function exception table
3731 for IA64_UNWIND_INFO.
3732 (final_scan_insn): Emit any unwind directives for an insn.
3734 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3736 * frame.c: Remove all DWARF 2 specific code.
3737 * config/ia64/frame-ia64.c: New file.
3738 (gthread_stuff): Make all gthread available with
3740 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3741 (__register_frame_info, __register_frame): Move to common area of file.
3742 (__register_frame_info_table, __register_frame_table): Move to common i
3744 (__deregister_frame_info, __deregister_frame): Move to common area.
3745 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3746 (read_uleb128): New version for ia64.
3747 (get_unwind_record): Read the next IA-64 unwind record.
3748 (read_R_record): Read a region header record.
3749 (process_a_b_reg_code): X record helper.
3750 (read_X_record): Read an X format record.
3751 (read_B_record): Read a B format record.
3752 (P3_record_types): List of record types matching the P3 format.
3753 (P7_record_types): List of record types matching the P7 format.
3754 (P8_record_types): List of record types matching the P8 format.
3755 (read_P_record): Read a P format record.
3756 (init_ia64_reg_loc): Set default fields for a register.
3757 (init_ia64_unwind_frame): Set defaults for all register records.
3758 (execute_one_ia64_descriptor): Execute one descriptor record.
3759 (rse_address_add): Calculate the position of a local reg in memory.
3760 (normalize_reg_loc): Turn a location descriptor into a memory address.
3761 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3762 within a specified PC offset range.
3763 (get_real_reg_value): Given a register location, retrieve its value.
3764 (set_real_reg_value): Change the value of a register location.
3765 (copy_reg_value): Copy reg values, if needed.
3766 (copy_saved_reg_state): Copy all registers that need to be copied.
3767 (process_state_between): Normalize all frame register records that
3768 fall within the specified PC range.
3769 (frame_translate): Take a processed frame description, and turn
3770 everything into addresses.
3771 (build_ia64_frame_state ): Find and create frame state record for a PC.
3772 (get_personality): Get the personality routine for a given frame.
3773 (get_except_table): Get the exception table for a given frame.
3774 (record_name): Unwind record names for debugging.
3775 (print_record): Print and unwind record.
3776 (print_all_records): Print an entire unwind image.
3777 (__ia64_backtrace): Print a backtrace.
3778 (ia64_backtrace_helper): New function.
3779 (__register_frame_info_aux): New function.
3780 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3782 * frame.h (enum unw_record_type): New unwind record types.
3783 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3784 (struct unw_r_record, unwind_record): New unwind record structs.
3785 (struct unwind_info_ptr): Unwind information layout.
3786 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3788 (struct ia64_reg_loc): Register location description.
3789 (struct ia64_frame_state): Location of all registers in a frame.
3790 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3791 * libgcc2.c (__ia64_personality_v1): Personality routine.
3792 (__calc_caller_bsp): Calculate the bsp register for the caller's
3794 (ia64_throw_helper): Figure out who to return to and set up the
3796 (__throw): Throw routine.
3798 * output.h (assemble_eh_align, assemble_eh_label): New functions
3799 to generate EH info where we want it.
3800 (assemble_eh_integer): New function.
3801 * toplev.c (compile_file): Output module level exception table for
3803 (main): Set exceptions_via_longjump and flag_new_exceptions based
3804 on IA64_UNWIND_INFO too.
3806 * varasm.c (assemble_eh_label): Generate a label via
3807 ASM_OUTPUT_EH_LABEL if it has been specified.
3808 (assemble_eh_align): Generate an alignment directive via
3809 ASM_OUTPUT_EH_ALIGN if it has been specified.
3810 (assemble_eh_label): Generate an integer value via
3811 ASM_OUTPUT_EH_type if they have been specified.
3812 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3813 (ia64_init_builtins): Add __builtin_ia64_bsp
3814 and __builtin_ia64_flushrs.
3815 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3816 IA64_BUILTIN_FLUSHRS.
3817 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3818 IA64_BUILTIN_FLUSHRS.
3820 * config/ia64/ia64.md (flushrs): New insn to flush the register
3821 stack. Add to unspec list.
3823 * config/ia64/crtbegin.asm (frame_object): Change size.
3824 (__do_frame_setup_aux): New function.
3825 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3826 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3827 * Makefile.in (LIB2ADDEH): Add.
3828 (LIB2ADD): Use LIB2ADDEH.
3830 2000-05-24 Richard Henderson <rth@cygnus.com>
3832 * recog.c (offsettable_address_p): If mode size is zero, assume
3835 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
3837 * configure.in: Check for -Wno-long-long option support and improve
3838 handling of warning CFLAGS for stages 1 and 2.
3839 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
3840 * configure: Regenerate.
3842 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
3844 * gcc.texi: Remove contributor list. Instead include contrib.texi.
3845 * contrib.texi: New file.
3847 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3849 * loop.c (basic_induction_var): Avoid double recording of an increment.
3851 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3853 * Back out this patch:
3854 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
3855 * loop.h (struct induction): Add multi_insn_incr.
3856 * loop.c (basic_induction_var): New multi_insn_incr argument.
3857 Set it if we search back through previous insns for the biv.
3858 (record_biv): New multi_insn_incr argument; fill in struct induction.
3859 (strength_reduce): Discard an iv with multiple bivs, any of
3860 which require multiple insns to increment.
3862 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
3864 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3866 * rtl.h (loc_mentioned_in_p): Declare.
3867 * reload.c (loc_mentioned_in_p): Moved from here...
3868 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
3869 Fix loop increment for 'E' handling.
3870 * loop.c (strength_reduce): When doing biv->giv conversion,
3871 take multi-insn biv increments into account.
3873 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
3875 * stmt.c (expand_end_bindings): Look through NOTEs to find a
3878 2000-05-24 Mark Mitchell <mark@codesourcery.com>
3880 * calls.c (expand_call): Handle cleanups in tail-recursion
3881 arguments analagously to cleanups in sibling calls.
3883 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3885 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
3886 All callers changed.
3888 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3890 * expr.c (expand_assignment, store_expr, expand_expr,
3891 expand_expr_unaligned): Set in_check_memory_usage while emitting
3892 chkr_check_addr libcall.
3894 2000-05-24 Nick Clifton <nickc@cygnus.com>
3896 * fold-const.c (extract_muldiv): When constructing a
3897 multiplier/divisor, do not expect const_binop to correctly
3898 determine if overflow has occured, so check explicitly.
3900 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3902 * c-decl.c (build_enumerator): Don't modify the value's type,
3905 2000-05-24 Andreas Jaeger <aj@suse.de>
3907 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
3909 2000-05-24 Eric Christopher <echristo@cygnus.com>
3911 * configure.in: Redefine inhibit_libc conditions.
3912 * libgcc2.c: Remove inhibit_libc conditional define.
3913 * configure: Regenerate.
3915 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
3917 * configure.in: For --enable-languages=LIST, check for empty LIST.
3918 * configure: Regenerate.
3920 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
3922 * pdp11.h (STACK_BOUNDARY): Define.
3924 2000-05-24 Jakub Jelinek <jakub@redhat.com>
3926 * ifcvt.c (if_convert): Update life info globally.
3928 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3930 * emit-rtl.c (unshare_all_decls): New function.
3931 (unshare_all_rtl): Call it.
3933 2000-05-23 Nick Clifton <nickc@cygnus.com>
3935 * configure.in: Treat 'strongarm' as if it were 'arm' when
3936 determining cpu type.
3938 * configure: Regenerate.
3940 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
3941 where constant strings are involved.
3943 * config/arm/arm.h (arm_condition_codes): Change type to 'const
3946 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
3947 cases where constant strings are involved.
3949 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
3951 * config/sh/sh.c (gen_far_branch, split_branches): Update
3952 to reflect new prototypes for redirect_jump and invert_jump.
3953 (sh_insn_length_adjustment): Get rid of const warnings.
3955 2000-05-23 Kazu Hirata <kazu@hxi.com>
3957 * invoke.texi (Options for Debugging Your Program or GCC): Update
3958 the names of dump files.
3960 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
3962 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
3963 * configure: Regenerated.
3965 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3967 * simplify-rtx.c (SIGN_EXTEND): New macro.
3968 (simplify_unary_operation, simplify_binary_operation,
3969 simplify_relational_operation): Use SIGN_EXTEND. Make low
3970 halves of (low, high) pairs unsigned if they weren't already.
3971 (simplify_ternary_operation): Cast INTVAL to unsigned before
3972 comparing to a MODE_BITSIZE.
3974 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3976 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
3977 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
3979 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
3980 gcc_AC_NEED_DECLARATIONS.
3982 * dwarfout.c: Don't prototype time().
3984 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
3986 * system.h: Likewise.
3988 * toplev.c: Likewise.
3990 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3992 * c-decl.c (pushdecl): Invert sense of test for non-global types.
3994 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3996 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
3998 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4000 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4002 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4004 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4005 (alpha_start_function): Never write ..ng label if VMS or NT.
4006 (alpha_align_insns): Remove GP_IN_USE arg.
4007 Alignment now unsigned.
4008 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4009 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4010 and two define_insn's.
4012 2000-05-22 Richard Henderson <rth@cygnus.com>
4014 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4016 2000-05-22 Richard Henderson <rth@cygnus.com>
4018 * stor-layout.c (place_field): Change rli->size to rli->offset.
4020 2000-05-22 Richard Henderson <rth@cygnus.com>
4022 * function.c (thread_prologue_and_epilogue_insns): Make sure
4023 existing line number notes appear after the prologue.
4025 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4027 * config/alpha/alpha.c (alpha_fnname): New static variable.
4028 (print_operand, case '~'): New case.
4029 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4030 (alpha_start_function): Set alpha_fnname.
4031 Write "ng" label if no ldgp; don't write ldgp insn.
4032 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4033 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4035 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4037 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4040 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4042 * varasm.c (eh_frame_section): Revert change to argument list.
4044 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4046 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4047 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4049 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4050 dangling "else" that causes "break" to be conditional.
4051 Also remove unneeded code at start.
4053 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4055 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4056 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4057 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4059 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4061 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4064 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4066 * alias.c (record_component_aliases): New function.
4067 * tree.h: Clean up some declarations and comments.
4068 (record_component_aliases): New declaration.
4069 * tree.c (get_alias_set): If type and has alias set, use it.
4071 2000-05-22 Richard Henderson <rth@cygnus.com>
4073 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4074 IF_THEN_ELSE to a setcc form.
4075 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4077 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4079 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4080 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4082 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4084 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4087 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4089 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4090 * config/mn10300/mn10300.c (print_operand): Likewise.
4092 * final.c (split_double): Right shift of negative values is not
4095 * ifcvt.c (if_convert): Scan and kill dead code.
4097 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4099 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4101 * diagnostic.c: Eliminate implicit int.
4102 * except.c, gcc.c: Add static prototypes.
4103 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4104 * gensupport.c (process_rtx): Use XVEC to initialize vector
4107 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4108 debug_reg_names instead of static reg_names. If not, define
4110 * regclass.c: Don't define global reg_names unless
4111 DEBUG_REGISTER_NAMES is defined.
4113 * reload1.c (order_regs_for_reload): Remove unused variable.
4114 * varasm.c: Include output.h after defaults.h. Define
4115 eh_frame_section as function of no args, not of unspecified args.
4117 * gcc.c: Constify argbuf; arguments to store_arg,
4118 process_command, main; elements of struct command and struct
4119 switchstr; local variables in execute, process_command, main.
4121 2000-05-20 Bruce Korb <bkorb@gnu.org>
4123 * fixinc/inclhack.def: many applications of c_fix=format + tests
4124 * fixinc/check.diff: regenerated
4125 * fixinc/fixincl.x: regenerated
4127 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4129 * alias.c: Clarify some comments.
4130 (record_base_value): REGNO is unsigned.
4131 * rtl.h (record_base_value): Likewise.
4133 * alias.c (aliases_everything_p): Don't special-case QImode here.
4134 * c-common.c (c_get_alias_set): Do it here.
4135 Handle BIT_FIELD_REF by getting alias info for arg.
4138 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4140 * mklibgcc.in: Restore rule to create ${dir}.
4142 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4144 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4145 GCC_FOR_TARGET used by MULTILIBS.
4146 * mklibgcc.in: Make sure each .o file depends on the
4147 directory it will be in.
4148 Make the multilib directory depends libgcc.
4150 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4152 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4154 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4156 * fold-const.c (make_range): Handle degenerated intervals.
4157 Fixes c-torture/execute/991221-1.c
4159 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4161 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4162 * reload.c (find_equiv_reg): Likewise.
4163 * alias.c (init_alias_analysis): Likewise.
4164 Only call prologue_epilogue_contains on insns.
4165 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4166 * bb-reorder.c (hard-reg-set.h): Include earlier.
4167 * haifa-sched.c (hard-reg-set.h): Likewise.
4168 * ifcvt.c (hard-reg-set.h): Likewise.
4169 * local-alloc.c (hard-reg-set.h): Likewise.
4170 * loop.c (hard-reg-set.h): Likewise.
4171 * predict.c (hard-reg-set.h): Likewise.
4172 * regrename.c (hard-reg-set.h): Likewise.
4173 * flow.c (hard-reg-set.h): Likewise.
4174 (reg_set_to_hard_reg_set): New function.
4175 * bitmap.c (regs.h, basic-block.h): No longer include.
4176 (bitmap.h): Now include.
4177 * conflict.c (hard-reg-set.h): Include.
4178 * profile.c (hard-reg-set.h): Likewise.
4179 * print-rtl.c (hard-reg-set.h): Likewise.
4180 * sbitmap.c (hard-reg-set.h): Likewise.
4181 * toplev.c (hard-reg-set.h): Likewise.
4182 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4183 * hard-reg-set.h (reg_names): Now constant.
4184 * regs.h (reg_names): Likewise.
4185 * regclass.c (reg_names): Likewise.
4186 * loop.h (basic-block.h): No longer include.
4187 (bitmap.h): Now include.
4188 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4189 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4190 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4192 2000-05-19 Jan Hubicka <jh@suse.cz>
4193 Richard Henderson <rth@cygnus.com>
4195 * basic-block.h (struct edge_def): New field "count".
4196 (struct basic_block_def): Likewise.
4197 * flow.c (entry_exit_blocks): Add count fileds.
4198 (split_edge): Keep count information up-to-date.
4199 (dump_edge_info, dump_flow_info): Dump count fields.
4201 * final.c (count_instrumented_edges): Rename to edge from arc.
4202 (end_final): Update users.
4203 * profile.c: Include expr.h, basic-block.h.
4204 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4205 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4206 (ignore_next_note, return_label_execution_count): Kill.
4207 (bbg_file_name, da_file_name): Kill.
4208 (edge_info, bb_info): New structures.
4209 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4210 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4211 (total_num_edges_instrumented): Likewise.
4212 (init_arc, expand_spanning_tree): Kill.
4213 (fill_spanning_tree, tablejump_entry_p): Kill.
4214 (instrument_edges): Rewrite from instrument_arcs to use
4215 commit_edge_insertions infrastructure.
4216 (compute_branch_probabilities): Remove arguments; rewrite for
4217 CFG infrastructure; use rtl_dump_file directly.
4218 (branch_prob, find_spanning_tree): Likewise.
4219 (union_groups, find_group): New.
4220 (init_branch_prob): Make bbg_file_name and da_file_name local.
4221 (end_branch_prob): Use rtl_dump_file directly.
4222 (init_edge_profiler): Rename to edge from arc.
4223 (output_arc_profiler): Kill.
4224 (gen_edge_profiler): New.
4225 (output_func_start_profiler): Turn off profiling. Make the
4226 constructor static when we can.
4227 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4229 * toplev.c (DFI_flow): Remove.
4230 (DFI_cfg, DFI_life): New.
4231 (dump_file): Update accordingly.
4232 (compile_file): Call end_branch_prob if profile_arc_flag too.
4233 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4234 profiling after the CFG is built. Move flow1 life analysis to
4235 DFI_life. Always estimate remaining probabilities.
4237 2000-05-19 Richard Henderson <rth@cygnus.com>
4239 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4241 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4243 2000-05-19 Richard Henderson <rth@cygnus.com>
4245 * jump.c (redirect_jump): Add delete_unused argument. Don't
4246 remove labels and code following when LABEL_NUSES goes to zero.
4247 (invert_jump): Likewise.
4248 (jump_optimize_1): Fix redirect/invert arguments.
4249 (do_cross_jump, thread_jumps): Likewise.
4250 * flow.c (split_edge): Likewise.
4251 * reorg.c (optimize_skip): Likewise.
4252 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4253 * profile.c (instrument_arcs): Likewise.
4254 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4255 * rtl.h: Update prototypes.
4257 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4259 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4261 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4264 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4266 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4267 past l1 when deleting whitespace and markers.
4269 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4270 * cpplib.c (do_unassert): Put the list to compare against on
4273 2000-05-19 Bruce Korb <bkorb@gnu.org>
4275 * fixinc/README: cleaned up old documentation
4276 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4277 * fixinc/check.tpl: compute the list of needed directories
4278 emit "#if defined(name)" because of conflict
4279 omit machine name differences from output differences
4280 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4281 (machine_name): change test text to use `sed' markers
4282 * fixinc/fixincl.x: regen
4284 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4286 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4289 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4291 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4292 it to match the current practice.
4294 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4296 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4298 2000-05-18 Richard Henderson <rth@cygnus.com>
4300 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4301 * rtl.h (insn_dependant_p): Declare it.
4302 * loop.c (strength_reduce): Use it.
4304 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4306 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4307 16-bit and 64-bit clean-up.
4309 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4311 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4312 * configure: Rebuilt.
4314 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4316 * genopinit.c: Use $ for escape sequences in optab patterns.
4317 Remove backslashes from optab patterns. Change $A, $B, $C to
4318 expand to (int) whatever instead of just whatever; remove
4319 explicit (int) from all optab patterns.
4321 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4322 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4323 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4324 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4327 2000-05-18 Richard Henderson <rth@cygnus.com>
4329 * jump.c (jump_optimize_1): Base minimum insn count during
4330 find_cross_jump on BRANCH_COST.
4332 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4334 * print-rtl.c (print_rtx): Only print note line number as string
4335 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4336 * final.c (final_scan_insn): Do nothing for note line number 0.
4338 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4340 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4341 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4342 NOTE_INSN_DELETED_LABEL.
4344 2000-05-18 Nick Clifton <nickc@cygnus.com>
4346 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4347 uninitialised data in .rodata not .bss, and do not interpret an
4348 error in the initialisation value as meaning that the variable
4349 should be placed in the .bss section.
4351 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4353 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4354 not `$ac_cv_prog_cc_cc_c_o'.
4355 * configure: Regenerated.
4357 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4358 Richard Henderson <rth@cygnus.com>
4360 * c-common.h (enum c_tree_index): Add g77 type entries.
4361 (g77_integer_type_node, g77_uinteger_type_node): New.
4362 (g77_longint_type_node, g77_ulongint_type_node): New.
4363 * c-decl.c (init_decl_processing): Initialize them.
4365 2000-05-18 Richard Henderson <rth@cygnus.com>
4367 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4369 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4370 (small_power_of_two): Likewise; use exact_log2.
4371 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4372 (output_adds_subs): Remove.
4373 (two_insn_adds_subs_operand): New.
4374 (split_adds_subs): New.
4375 * config/h8300/h8300-protos.h: Update.
4376 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4377 (CONST_OK_FOR_L): Match strict adds operands.
4378 (CONST_OK_FOR_N): Match struct subs operands.
4379 * config/h8300/h8300.md (adds_subs insns): Remove.
4380 (addhi patterns): Output adds/subs directly.
4381 (addsi_h8300h): Likewise.
4382 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4384 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4386 * cppexp.c (parse_assertion): New.
4387 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4388 (_cpp_parse_expr): Remove case '#'. Don't set
4389 parsing_if_directive.
4390 * cpphash.c (collect_objlike_expansion,
4391 collect_funlike_expansion, collect_params,
4392 _cpp_create_definition): The list no longer has a trailing
4394 * cpphash.h (enum node_type): Add T_ASSERTION.
4395 (struct hashnode): Remove aschain, add pred.
4396 (struct predicate): New.
4399 * cpplex.c (expand_token_space): Handle both offset and
4401 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4402 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4403 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4404 _cpp_equiv_toklists): New.
4405 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4406 stop at any single-character token, not just newline.
4407 (_cpp_lex_token): Remove special cases for #define and #if.
4408 (cpp_get_token): Expect # as a separate token type. Remove
4410 (_cpp_get_directive_token): Remove DIRECTIVE case.
4411 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4413 * cpplib.c (_cpp_check_directive): Set dirno and
4414 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4415 (_cpp_handle_directive): Run # <number> through the same logic
4416 as normal directives.
4417 (do_define): Don't set parsing_define_directive. Use
4418 _cpp_scan_until. The list does not have a VSPACE at the end.
4419 (do_if): Save, clear, and restore only_seen_white around
4421 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4422 (do_assert, do_unassert): Rewrite.
4424 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4425 (LIST_OFFSET): New flag.
4426 (struct cpp_toklist): Replace dir_handler and dir_flags with
4428 (struct cpp_reader): Remove parsing_if_directive and
4429 parsing_define_directive.
4431 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4433 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4434 following the cabs decl which terminate on the following line.
4435 Add the corresponding test_text case.
4437 2000-05-18 Neil Booth <NeilB@earthling.net>
4439 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4440 default tab stop size.
4441 (no_num, OPT_ftabstop): New.
4442 (handle_option): Handle "ftabstop=" command-line option.
4443 (print_help): Document it.
4444 * cpplex.c (COLUMN): Remove.
4445 (handle_newline): Reset col_adjust.
4446 (skip_whitespace): Update col_adjust as tabs encountered.
4447 (_cpp_lex_line): Update to use col_adjust. Call
4448 skip_whitespace for all whitespace.
4449 * cpplib.h (struct cpp_options): New member tabstop.
4450 (struct cpp_reader): New member col_adjust.
4451 (CPP_BUF_COL): Update.
4452 (CPP_BUF_COLUMN): New.
4453 * cpp.texi: Document "-ftabstop=" command line option.
4455 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4457 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4459 * configure: Rebuilt.
4461 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4463 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4465 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4466 HOST_BITS_PER_WIDE_INT is >= 64.
4468 2000-05-17 Richard Henderson <rth@cygnus.com>
4470 * jump.c (jump_optimize_1): Remove inactive but real insns
4471 in jump-to-next-insn optimization.
4473 2000-05-17 Richard Henderson <rth@cygnus.com>
4475 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4476 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4477 Don't call recompute_reg_usage if no_new_pseudos is true.
4478 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4479 Return true if we did work; update global life information.
4480 * basic-block.h (optimize_mode_switching): Update decl.
4482 2000-05-17 Neil Booth <neilb@earthling.net>
4484 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4486 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4488 * cpplib.c: New feature, #pragma system_header.
4489 * cpp.texi: Document special treatment of system headers, and
4490 the various mechanisms to get a header that special treatment.
4492 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4494 * system.h (offsetof): Define at the very end, to ensure we prefer
4495 the platform's definition if available.
4497 2000-05-16 Bruce Korb <bkorb@gnu.org>
4499 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4500 * fixinc/server.c: likewise
4501 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4502 + #ifdef debugging code + use #def constant for
4504 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4505 on C++ math namespace
4507 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4509 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4510 Don't check the return value of sprintf. Use asprintf to avoid
4513 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4515 * flags.h (warn_unused_function, warn_unused_label,
4516 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4517 Replace ``warn_unused''.
4518 (set_Wunused): Add declaration.
4519 * toplev.c (set_Wunused): New function.
4520 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4521 warn_unused_variable, warn_unused_value): New variables.
4522 (W_options): Add -Wunused-function, -Wunused-function,
4523 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4524 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4526 * toplev.c (decode_W_option): Update -Wunused flags by calling
4528 * c-decl.c (c_decode_option): Ditto for -Wall.
4530 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4531 warn_about_unused_variables): Replace warn_unused with more
4532 explicit warn_unused_value et.al.
4533 * function.c (expand_function_end): Ditto.
4534 * c-typeck.c (internal_build_compound_expr,
4535 internal_build_compound_expr): Ditto.
4536 * c-decl.c (poplevel, pop_label_level): Ditto.
4537 * toplev.c (check_global_declarations): Replace warn_unused with
4538 check for either warn_unused_function or warn_unused_variable.
4540 * gcc.1, invoke.texi (Warning Options): Document
4541 -Wunused-function, -Wunused-function, -Wunused-label,
4542 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4544 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4546 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4547 $(srcdir), not in the current directory.
4549 2000-05-16 Richard Henderson <rth@cygnus.com>
4551 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4552 assembler supports it.
4553 (.fini, .init): Use a gp-relative indirect call.
4554 (__do_global_dtors_aux): Preserve the gp; rebundle.
4555 (__do_frame_setup): Likewise.
4556 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4557 (.init): Use a gp-relative indirect call.
4558 (__do_global_ctors_aux): Preserve the gp.
4560 2000-05-16 Richard Henderson <rth@cygnus.com>
4562 * flow.c (commit_one_edge_insertion): Be prepared for a return
4563 insn to be inserted on the edge with a normal jump.
4564 * jump.c (jump_optimize_1): Don't look to create return isns.
4566 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4567 * jump.c (jump_optimize_1): Likewise.
4568 (returnjump_p): Verify the argument is a JUMP_INSN.
4569 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4571 2000-05-16 Nick Clifton <nickc@cygnus.com>
4573 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4574 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4575 (large_insn_p): Ditto.
4576 (m32r_is_insn): New function: Return true if the insn contains
4577 an executable instruction.
4578 (m32r_adjust_insn): Use m32r_is_insn.
4579 (m32r_sched_reorder): Use m32r_is_insn.
4580 (m32r_sched_variable_issue): Use m32r_is_insn.
4582 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4584 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4587 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4589 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4590 according to given options.
4592 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4594 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4595 if X has VOIDmode either.
4596 (LIMIT_RELOAD_CLASS): Similarly.
4598 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4599 not "general_operand" to match the processor's capabilities.
4601 2000-05-16 Bruce Korb <bkorb@gnu.org>
4603 * fixinc/README: corrected return address
4604 * fixinc/check.diff: regenerate, now that test works
4605 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4606 (char_macro_def_fix,char_macro_use_fix): corrected and
4607 rewrote to use regex to parse the text
4608 * fixinc/inclhack.def: more testing
4609 * fixinc/fixincl.x: regenerated
4611 * fixinc/inclhack.def: added several "test_text" attributes
4612 changed several fixes to use `c_fix = format'
4613 re-alphabetized the fixes
4615 * fixinc/check.diff: regenerate
4616 * fixinc/fixincl.x: regenerate
4617 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4621 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4623 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4625 2000-05-15 Richard Henderson <rth@cygnus.com>
4627 * toplev.c (rest_of_compilation): Run full jump pass before
4628 find_basic_blocks of flow2.
4630 2000-05-15 Richard Henderson <rth@cygnus.com>
4632 * jump.c: Fix typos and clarify commentary from last change.
4633 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4634 (safe_to_remove_jump_p): Remove.
4635 (condjump_label): Use pc_set.
4637 2000-05-15 Richard Henderson <rth@cygnus.com>
4639 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4640 that get in the way after reload.
4641 (cond_exec_process_if_block): Skip a label heading THEN block.
4643 2000-05-15 Richard Henderson <rth@cygnus.com>
4645 * varasm.c (output_constant_pool): Abort instead of converting
4646 (improperly) deleted labels to zero.
4648 2000-05-16 Neil Booth <NeilB@earthling.net>
4650 * cpplex.c (parse_string2): Update comment.
4651 (cpp_lex_line): No special assertion treatment for '('.
4652 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4653 * cpplib.h (SYNTAX_ASSERT): Remove.
4655 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4657 * jump.c (condjump_p): Mark as depreached.
4658 (any_condump_p): New.
4659 (any_uncondump_p): New.
4661 (safe_to_remove_jump_p): New.
4662 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4663 safe_to_remove_jump_p): Declare.
4665 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4667 * calls.c: Re-install both patches reverted by last patch.
4668 (struct arg_data): New field tail_call_reg.
4669 (initialize_argument_information): Initialize tail_call_reg
4670 (load_register_parameters): New argument flags, use
4671 tail_call_reg when emiting tail call sequence.
4672 (expand_call): Update call of load_register_parameters;
4673 copy unadjusted_args_size to adjusted_args_size.
4675 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4677 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4678 and bct_p parameters to flags.
4679 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4680 * rtl.h (loop_optimize): Update prototype.
4681 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4683 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4685 * calls.c (expand_call): Move expand_start_target_temps call after
4688 2000-05-15 Neil Booth <NeilB@earthling.net>
4690 * cpphash.c (trad_stringify, warn_trad_stringify,
4691 collect_params): Make some pointers pointers to const.
4692 * cpplex.c (auto_expand_name_space) Guaranteed to always
4693 expand by at least one character.
4694 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4695 (struct token_spelling): Use const U_CHAR * rather than PTR.
4696 (expand_name_space): Fix up token pointers if name space
4697 is moved when expanding.
4698 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4699 parse_string2, save_comment, spell_token, cpp_output_list):
4700 Update so the routines handle tokens with a direct pointer to
4701 their text, rather than an offset into the token's list's namebuf.
4702 (_cpp_lex_line): Rearrange for clarity.
4704 * cpplib.c (_cpp_check_directive): Similarly.
4705 (do_define): Make SYM a pointer to const.
4706 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4707 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4708 (TOK_OFFSET): Delete.
4711 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4713 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4716 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4718 (logical_u_operand): Delete.
4719 (non_logical_cint_operand): Rewrite to take MODE into account.
4720 (non_logical_u_cint_operand): Delete.
4721 (boolean_operator): New function.
4722 (print_operand): Add new %q operand.
4723 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4724 remove logical_u_operand and non_logical_u_cint_operand,
4725 update logical_operand and non_logical_cint_operand.
4726 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4727 logical operations to use %q.
4729 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4730 (movdi): Make similar to movsi.
4731 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4732 is no such thing as a DImode CONST_DOUBLE.
4733 * config/rs6000/rs6000.c (output_toc): Likewise.
4735 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4736 codes when old mnemonics are in use. Print register names
4737 for cc registers when requested.
4739 * optabs.c (expand_float): Don't allow mode widening that causes
4742 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4743 flags to their current names -maix64 and -maix32.
4745 2000-05-14 Bruce Korb <bkorb@gnu.org>
4747 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4748 and/or after current text of file
4749 * fixinc/fixlib.c(must_malloc):
4750 * fixinc/fixlib.h(must_malloc): + reformatting
4751 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4752 with usages of ``c_fix = wrap;''
4753 Add several tests and use the ``c_fix = format'' fixer more.
4754 * fixinc/fixincl.x: regen
4755 * fixinc/check.diff: regen
4756 * fixinc/check.tpl: emit the associated header with the missing
4759 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4761 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4762 variables $src and $dst.
4764 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4766 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4767 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4768 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4769 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4771 (set_message_prefixing_rule): Declare.
4773 * diagnostic.c: (current_prefixing_rule): New variable.
4774 (set_message_prefixing_rule): Define.
4775 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4776 (init_output_buffer): Adjust Initialization.
4777 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4779 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4781 * ifcvt.c (if_convert): Do not free NULL.
4783 2000-05-12 Nick Clifton <nickc@cygnus.com>
4785 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4786 to move a double word value.
4787 (di_operand): New function: Return true if the operand is suitbale
4788 for a double word move operation.
4789 (nonimmediate_di_operand): New function: Return true if the
4790 operand is a DImode register or MEM.
4792 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4793 nonimmediate_di_operand.
4795 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4796 nonimmediate_di_operand.
4798 * config/fr30/fr30.md (movdi): New pattern. Required because
4799 other patterns generate DImode results.
4800 (movdi_insn): New pattern.
4802 2000-05-12 Richard Henderson <rth@cygnus.com>
4804 * config/alpha/alpha.c (struct shadow_summary): Define
4805 bitfields as type unsigned int.
4807 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4809 * config/avr/t-avr: Added definition of FLOAT while generates
4812 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4813 peepholes for tst+jump = sbrs/sbrc optimization.
4815 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4817 * expr.c (emit_push_insn): Do not adjust stack pointer when
4820 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4822 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4823 * system.h (offsetof): ... to here.
4825 2000-05-12 Richard Henderson <rth@cygnus.com>
4827 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4828 * final.c (final_end_function): Use app_disable. Rearrange note
4829 handling into a switch. Emit deleted labels.
4830 (output_asm_label): Generate label strings for deleted labels.
4831 * flow.c (tail_recursion_label_list): New.
4832 (find_basic_blocks_1): Set label_value_list directly. Collect list
4833 of tail recursion labels from call_placeholders. Don't add deleted
4834 labels to the label value list.
4835 (cleanup_cfg): Use free_EXPR_LIST_list.
4836 (flow_delete_insn_chain): Turn non-removable labels into notes.
4837 (flow_delete_block): Don't disable deleting the block because of
4838 a non-removable label.
4839 (tail_recursion_label_p): New.
4840 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
4842 (merge_blocks_move_successor_nojumps): Likewise. Also move a
4844 (merge_blocks): Disable a merge because of tail recursion labels.
4845 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
4846 Use a more accurate measure of not merging the join block.
4847 (find_if_block): Don't disable conversion because of a label.
4848 (find_if_case_1, find_if_case_2): Likewise.
4849 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
4850 element when copying.
4851 (squeeze_notes): Also leave EH notes.
4852 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
4854 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
4856 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
4857 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
4858 referring to a deleted label. Convert tail handling to a switch.
4859 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
4860 for NOTE_INSN_DELETED_LABEL.
4861 (NOTE): Fix commentary.
4862 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
4863 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
4864 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
4865 (LABEL_NUSES, LABEL_REFS): Likewise.
4866 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
4868 2000-05-12 Bruce Korb <bkorb@gnu.org>
4870 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
4871 * fixinc/check.diff: updated
4872 * fixinc/inclhack.def: corrected & added some test_text-s
4873 * fixinc/genfixes: removed unneeded options to autogen invocation
4874 * fixinc/fixincl.tpl: Specified the output file
4875 * fixinc/fixfixes.c: visual appearance
4876 * fixinc/fixincl.x: regenerate
4878 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
4880 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
4881 CTRL_defn_fix): Delete.
4882 (fix_char_macro_defines, fix_char_macro_uses): Rename to
4883 char_macro_def_fix and char_macro_use_fix, respectively. Put
4884 them into the FIXUP_TABLE. Get the string to search for from
4887 (format_write): New function.
4888 (format_fix): Use it.
4890 (FIX_PROC_HEAD): Constify text parameter.
4891 (machine_name_fix): Constify all char *s.
4892 * fixtests.c (skip_quote): Remove double static.
4894 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
4895 ctrl_use_quotes): Update for new scheme.
4896 * fixincl.x: Regenerate.
4898 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
4900 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
4902 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
4903 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4905 2000-05-11 Robert Lipe <robertlipe@usa.net>
4907 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
4908 * fixincl.x: Regenerate.
4910 2000-05-11 Richard Henderson <rth@cygnus.com>
4912 * calls.c: Revert both 05-09 patches.
4914 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
4916 * config/mn10300/mn10300.c (print_operand): Print FP constants in
4918 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
4921 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
4922 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
4924 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
4926 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
4928 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4930 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
4932 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
4934 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
4935 * config/avr/avr.c (jump_over_one_insn_p): New function.
4936 * config/avr/avr.md: New peepholes added. Output test and
4937 conditional jump to "sbrc" or "sbrs" command.
4939 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
4941 * cppmain.c (main): Use IS_DIR_SEPARATOR.
4943 2000-05-11 Jakub Jelinek <jakub@redhat.com>
4945 * except.c (find_exception_handler_labels_1): New function.
4946 (find_exception_handler_labels): Split into two functions, dive
4947 into CALL_PLACEHOLDERs when looking for exception handler labels.
4949 2000-05-11 Stan Cox <scox@cygnus.com>
4951 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
4952 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
4953 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
4955 2000-05-11 Bruce Korb <bkorb@gnu.org>
4957 * fixinc/fixfixes.c (double_slash_fix): obsolete
4958 (else_endif_label_fix): obsolete
4959 (format_fix): new, unused as yet
4961 * fixinc/fixlib.h: added fix description struct for use by format_fix
4962 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
4963 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
4964 modules. Removed the vestiges of the script version.
4965 Added support for "make check".
4966 * fixinc/check.diff: base diff file (needs work!!)
4967 * fixinc/check.tpl: quiet the fixup output
4968 * fixinc/fixtests.c (main): obsolete
4969 * fixinc/fixincl.sh: don't bother copying fixincl to ..
4970 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
4972 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
4974 * toplev.c (rest_of_compilation): Remove dead code after
4977 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4979 * cpphash.c (collect_funlike_expansion): Make "# is not
4980 followed by a macro argument name" a pedwarn, not an error.
4981 Preserve the # in the output. Suppress the warning if lang_asm.
4983 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
4985 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
4986 * configure: Rebuilt.
4988 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
4990 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
4992 2000-05-10 Kazu Hirata <kazu@hxi.com>
4994 * combine.c (try_combine): Fix a typo.
4996 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
4998 * config/ia64/ia64.md (insv): Add comment.
5000 2000-05-10 Richard Henderson <rth@cygnus.com>
5002 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5003 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5004 dependancies on FPBIT and DPBIT.
5006 2000-05-10 Nick Clifton <nickc@redhat.com>
5008 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5009 when optimising for size.
5010 (mark_used_regs:) Ditto.
5011 (try_pre_increment_1): Ditto.
5013 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5015 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5016 Make error message friendlier.
5018 * cpphash.h (struct hashnode): Use struct hack for name
5020 * cpphash.c (struct hashdummy): New.
5021 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5022 (make_HASHNODE): No need to set ->name pointer. Correct
5024 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5026 2000-05-10 Richard Henderson <rth@cygnus.com>
5028 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5031 2000-05-10 Bruce Korb <bkorb@gnu.org>
5033 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5035 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5037 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5038 after we enter .debug.
5040 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5042 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5043 abstract instance of a nested inline function.
5045 * stor-layout.c (finish_record_layout): finalize_type_size
5046 before laying out the pending_statics.
5048 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5050 * cpplex.c (spell_token): New function.
5051 (spell_string, spell_comment, spell_name): fold into
5054 (E, H): Remove macros.
5055 (save_comment): Save comment opening characters too.
5056 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5058 * cpplib.h (I, S): Add macros.
5059 (E, H): Remove macros.
5060 (TTYPE_TABLE): Update entries for new speller.
5061 (SYNTAX_ASSERT): Remove.
5063 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5065 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5066 when removing escaped newlines. Reverse sense of test for
5069 2000-05-09 Richard Henderson <rth@cygnus.com>
5071 * flow.c (find_basic_blocks_1): Do not delete the first
5072 bb_note we run across.
5073 (create_basic_block): Use reorder_insns to move an existing
5074 bb_note to the correct place.
5076 2000-05-09 Richard Henderson <rth@cygnus.com>
5078 * calls.c (expand_call): Increment currently_expanding_call
5079 before calling optimize_tail_recursion.
5081 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5083 * reload1.c (reload_combine): Fix errors in last change.
5085 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5087 * gcc.c (used_arg): Skip over a semicolon at the end of the
5088 split-up loop; don't break out of it.
5090 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5091 (tree.o): Depend on output.h.
5093 * c-decl.c (pending_invalid_xref_file,
5094 current_function_prototype_file): Constify.
5095 (pushdecl): Constify a local char *.
5096 (define_label): Constify filename parameter.
5097 * c-lex.c (init_parse): Constify parameter and return value.
5098 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5099 * c-tree.h: Update prototypes.
5100 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5101 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5102 objc/objc-parse.c: Regenerate.
5104 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5105 * dwarfout.h: Update prototypes.
5106 * expr.c (expand_expr): Constify a local char *.
5107 * flags.h: Constify main_input_filename.
5108 * function.c (expand_function_end): Constify filename parameter.
5109 * genrecog.c (make_insn_sequence): Use a character array for
5111 (main): Remove unused variables.
5112 * input.h: Constify input_filename, main_input_filename, and
5113 file_stack.name. Update prototypes.
5114 * output.h: Declare first_global_object_name and
5115 weak_global_object_name here, as const char *.
5116 * stmt.c (expand_asm_operands): Constify filename parameter.
5117 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5118 Constify filename parameter.
5119 (input_filename, main_input_filename): Constify.
5120 * toplev.h: Update prototypes.
5121 * tree.c: Include output.h. Don't declare
5122 first_global_object_name or weak_global_object_name. Clean up string
5123 bashing in get_file_function_name_long.
5124 * tree.h (struct tree_decl): Constify filename member.
5125 (input_filename): Constify.
5127 * varasm.c (first_global_object_name, weak_global_object_name):
5129 (assemble_start_function, assemble_variable): Clean up string bashing.
5131 * gcc.c: Constify all spec-related strings initialized,
5132 transitively, from string constants. Constify all strings
5133 and string variables related to multilibs.
5134 (set_spec, read_specs): Cast argument to free to PTR.
5135 (used_arg): Do not modify multilib_matches. Use strncmp plus
5136 length comparison to compare multilib switches.
5137 * genmultilib: Constify everything declared in multilib.h.
5139 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5141 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5144 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5146 * config/avr/avr-protos.h (extra_constraint): change a type of
5147 second argument from char to int to avoid warnings.
5148 (asm_output_byte): Likewise.
5150 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5151 (initial_elimination_offset): Handle elimination from
5152 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5153 (legitimate_address_p): Use MAX_LD_OFFSET.
5154 (legitimize_address): Likewise.
5155 (out_movqi_r_mr): Likewise.
5156 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5157 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5158 (out_movsi_mr_r): Likewise.
5159 (out_movqi_mr_r): Likewise.
5160 (out_movhi_mr_r): Likewise.
5161 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5162 count as CONST_INT != 6.
5163 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5164 shift count is a CONSTANT_P, but not a CONST_INT.
5165 (ashlhi3_out): Coding style modifications.
5166 (ashlsi3_out): Likewise.
5167 (ashrhi3_out): Likewise.
5168 (ashrsi3_out): Likewise.
5169 (lshrhi3_out): Likewise.
5170 (lshrsi3_out): Likewise.
5171 (ashrqi3_out): Generate shift for any known constant count without
5172 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5173 but not a CONST_INT.
5174 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5175 shift count is a CONSTANT_P, but not a CONST_INT.
5176 (extra_constraint): change a type of
5177 second argument from char to int to avoid warnings.
5178 (asm_output_byte): Likewise.
5179 (asm_file_end): Output size generated commands count as a hex
5182 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5184 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5186 (ashlqi3): Values of "length" attribute changed. Shift count
5187 uses constraints 'n' instead of 'i'.
5188 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5189 shifts without clobber register.
5190 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5191 (call_insn): Correct test for which_alternative == 1 (was 0).
5192 (call_value_insn): Likewise.
5194 * config/avr/t-avr: Remove definition of FLOAT while generates
5197 2000-05-09 Bruce Korb <bkorb@gnu.org>
5199 * fixinc/check.tpl: Template for checking fixes
5200 * fixinc/inclhack.def: Added 'test_text' for many fixes
5201 disable hpux8_bogus_inlines on SCO
5202 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5204 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5206 * calls.c (expand_call): Reorganize somewhat in order
5207 to avoid unnecesary recalculation inside loop and make
5208 tail call failure code cleaner.
5210 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5212 * alias.c (nonlocal_reference_p): Minor reformatting.
5213 * reload.c (find_equiv_reg): Simplify logic for
5214 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5215 some some reformatting.
5216 * reload1.c (reload_combine): Don't assume everything in
5217 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5219 2000-05-08 Richard Henderson <rth@cygnus.com>
5221 * final.c (current_insn_predicate): New.
5222 (final_scan_insn): Set it.
5223 * output.h (current_insn_predicate): Declare.
5225 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5226 Attach it to call insns.
5227 (cond_exec_process_if_block): Track probability for true and
5229 (dead_or_predicable): Likewise.
5231 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5232 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5233 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5234 (estimate_probability, expected_value_to_br_prob): Use them.
5236 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5237 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5238 (ia64_expand_prediction): New.
5239 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5240 as needed after calls.
5241 (ia64_epilogue_uses): Mark b0 used.
5242 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5243 (bne_true, bne_false): Remove.
5244 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5245 (br_true, br_false): New. Use predicate_operator and
5246 ia64_expand_prediction.
5247 (return_true, return_false): Likewise.
5248 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5249 (call_internal1, call_value_internal): Likewise.
5250 (call_value_internal1, call_multiple_values_internal1): Likewise.
5252 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5254 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5256 2000-05-08 Richard Henderson <rth@cygnus.com>
5258 * rtlanal.c (may_trap_p): Consider old-style and volatile
5261 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5263 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5265 2000-05-08 Richard Henderson <rth@cygnus.com>
5267 * config/ia64/ia64.h (predicate_operator): Declare.
5269 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5272 * gensupport.c (process_rtx): Copy and post-process each member
5273 of the define_insn rtvec individually.
5275 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5277 * cpplex.c (spell_token): New function.
5278 (TOKEN_LEN): Add 1 for whitespace.
5279 (_cpp_lex_file): Update to use spell_token.
5280 * cpplib.h (E): Remove.
5281 (TTYPE_TABLE): Update CPP_VSPACE entry.
5283 2000-05-08 Richard Henderson <rth@cygnus.com>
5285 * flow.c (init_propagate_block_info): Watch out for conditional
5286 branch to next instruction, and thus one outgoing edge.
5288 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5289 for global register variables; don't special case __[CD]TOR_LIST__;
5290 mind ggc_p for string allocation.
5292 2000-05-08 Nick Clifton <nickc@cygnus.com>
5294 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5296 2000-05-08 Bruce Korb <bkorb@gnu.org>
5298 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5299 i?86-*-msdosdjgpp* no longer uses fixincludes
5300 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5301 * fixinc/inclhack.sh: deleted
5302 * fixinc/hackshell.tpl: deleted
5303 * fixinc/inclhack.tpl: deleted
5304 * fixinc/Makefile.in: Remove dependencies on above
5305 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5307 2000-05-08 Andreas Jaeger <aj@suse.de>
5309 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5312 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5314 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5317 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5319 * cpplex.c: Move new lexer definitions and prototypes
5320 to top. Conditional include these and the code if
5321 NEW_LEXER is defined. Rename functions whose names
5322 clash if this code included.
5324 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5326 * rtl.def (COND_EXEC): Clarify.
5328 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5329 same fashion as zero_extendsidi2.
5331 2000-05-06 Richard Henderson <rth@cygnus.com>
5333 * config/ia64/ia64.c (predicate_operator): New.
5334 (ia64_print_operand): Handle 'J'.
5335 (rtx_needs_barrier): Handle COND_EXEC.
5336 * config/ia64/ia64.h (BRANCH_COST): Define.
5337 (PREDICATE_CODES): Update.
5338 * config/ia64/ia64.md: Docuement used unspec values.
5339 (attr predicable): New.
5340 (movxf, movxf_internal): New.
5341 (extendsfdf2): Don't comment out nop.
5342 (floatdidf2): Remove.
5343 (truncxfsf2, truncxfdf2, floatdixf2): New.
5344 (abssi2, absdi2): Put the neg in the "true" slot.
5345 (conditional branch instructions): Mark not predicable.
5346 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5347 (abs*_internal): Likewise.
5348 (alloc, set_bsp): Mark not predicable.
5349 (barrier, insn_group_barrier, flush_cache): Likewise.
5350 (define_cond_exec): New.
5352 2000-05-06 Richard Henderson <rth@cygnus.com>
5354 * c-decl.c: Include "tm_p.h".
5356 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5357 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5358 (ia64_expand_op_and_fetch): Declare.
5359 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5360 (setjmp_operand): Constify variables for XSTR.
5361 (ia64_encode_section_info): Likewise.
5362 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5364 (ia64_asm_output_external): Constify name.
5365 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5366 (process_for_unwind_directive): Provide switch default.
5367 (ia64_expand_compare_and_swap): Remove unused variables.
5368 (ia64_expand_builtin): Likewise.
5369 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5372 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5373 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5374 (shift_count_operand, shift_32bit_count_operand): Likewise.
5375 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5376 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5377 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5378 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5379 (ia64_expand_builtin): Likewise.
5380 (call_multiple_values_operation): Make dest_regno unsigned.
5382 2000-05-06 Richard Henderson <rth@cygnus.com>
5384 * rtl.def (DEFINE_COND_EXEC): New.
5385 * md.texi: Document it.
5387 * gensupport.c (input_file): Remove.
5388 (struct queue_elem): Add lineno.
5389 (rtx_ready_queue): Remove.
5391 (predicable_default): New.
5392 (predicable_true, predicable_false): New.
5393 (define_attr_queue, define_attr_tail): New.
5394 (define_insn_queue, define_insn_tail): New.
5395 (define_cond_exec_queue, define_cond_exec_tail): New.
5396 (other_queue, other_tail): New.
5397 (queue_pattern): New.
5398 (process_rtx): Add patterns to the appropriate queues.
5399 (is_predicable, identify_predicable_attribute): New.
5400 (n_alternatives, collect_insn_data): New.
5401 (alter_predicate_for_insn, alter_test_for_insn): New.
5402 (shift_output_template, alter_output_for_insn): New.
5403 (process_one_cond_exec, process_define_cond_exec): New.
5404 (init_md_reader): Read the entire file. Process define_cond_exec.
5405 (read_md_rtx): Return elements from the queues.
5407 2000-05-06 Richard Henderson <rth@cygnus.com>
5409 * flow.c (mark_set_1): Don't update conditional life info
5410 if the register is not_dead.
5412 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5414 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5415 (mostlyclean): Also delete fixincl, fixinc.sh, and
5416 specs.ready, and make clean in the fixinc subdir.
5418 2000-05-06 Richard Henderson <rth@cygnus.com>
5420 * Makefile.in (gensupport.o): Compile for the host.
5421 (host-prefix gensuuprt.o): Remove.
5422 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5423 (genattrtab.o): Likewise.
5424 (gencodes.o): Depend on gensupport.h.
5425 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5426 (genpeep.o, genattr.o, genoutput.o): Likewise.
5428 * gensupport.c (obstack, rtl_obstack): New.
5429 (init_md_reader): Initialize rtl_obstack.
5430 * gensupport.h (rtl_obstack): Declare.
5431 (message_with_line): Declare.
5433 * genattr.c: Remove all traces of obstack manipulation.
5434 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5435 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5437 * genattrtab.c (obstack, rtl_obstack): Remove.
5438 (main): Don't init rtl_obstack.
5439 * genflags.c: Likewise.
5441 * genrecog.c (message_with_line): Move ...
5442 * gensupport.c: ... here.
5444 2000-05-06 Richard Henderson <rth@cygnus.com>
5446 * c-typeck.c (build_c_cast): Remove dead code.
5448 2000-05-06 Richard Henderson <rth@cygnus.com>
5450 * flow.c (split_edge): Don't allocate global_live_at_start for
5451 the new block unless the old blocks had them as well.
5453 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5455 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5456 test_bb if a or b uses x.
5458 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5460 * cpphash.h: Remove conditional #define of __extension__.
5461 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5462 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5463 (ENABLE_RTL_CHECKING only).
5464 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5465 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5466 (ENABLE_TREE_CHECKING only).
5467 * varray.h: Add __extension__ to VARRAY_CHECK macro
5468 (ENABLE_CHECKING only).
5470 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5472 Use new tail-calling mechanism on ARM.
5473 * arm.md (sibcall, sibcall_value): New expands.
5474 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5475 (tailcalling peepholes): Delete.
5476 (push_multi): Simplify.
5477 * arm.c (lr_save_eliminated): Delete definition.
5478 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5479 (output_return_instruction): Remove checks on lr_save_eliminated.
5480 (output_arm_prologue): Remove old tail-calling code.
5481 (arm_output_epilogue): New parameter, really_return. All callers
5482 changed. Handle tail-calling epilogues.
5483 * arm.h (lr_save_eliminated): Delete declaration.
5484 (frame_pointer_needed): Delete declaration.
5485 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5487 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5489 * arm.c (thumb_code): Define it.
5490 (arm_override_options): Set it.
5491 * arm.h (thumb_code): Declare it.
5493 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5495 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5497 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5499 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5500 bogus clobber to insns.
5501 (load_multiple_operation, store_mulitple_operation): Don't check
5503 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5505 * arm.md (and_scc, ior_scc): Add missing mode.
5507 * arm.md (call_value_symbol): Remove predicate from op2.
5509 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5511 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5513 * expr.c (get_subtarget): New function.
5514 (force_operand, expand_expr, do_store_flag): Use it.
5516 * toplev.c (compile_file): Don't take strlen of NAME if null.
5518 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5520 * xcoffout.c (xcoff_current_include_file,
5521 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5522 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5524 (xcoffout_declare_function): Make name 'const char *'.
5525 (xcoffout_end_epilogue): Make fname 'const char *'
5526 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5527 xcoffout_declare_function, xcoffout_source_line): Match above.
5529 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5531 * rs6000.c (print_operand): Fix lossage typo.
5532 (output_cbranch): Remove "cr" decoration for now.
5533 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5535 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5537 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5540 2000-05-05 Bruce Korb <bkorb@gnu.org>
5542 * fixinc/genfixes: Improve the matching for make target names
5544 2000-05-05 Catherine Moore <clm@cygnus.com>
5546 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5547 attribute to the decl.
5548 * c-decl.c (pushdecl): Propagate the USED attribute to the
5551 2000-05-05 Richard Henderson <rth@cygnus.com>
5553 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5554 same way emit_group_load does.
5556 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5558 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5560 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5563 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5565 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5567 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5569 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5570 to support -shared, on platforms with dynamic libraries.
5572 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5574 * system.h (S_ISBLK): Provide fallback definition.
5576 2000-05-05 Geoff Berry <geoffb@bops.com>
5578 * extend.texi (Extended Asm): Document inability to give asm
5579 statements access to condition codes.
5581 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5583 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5584 as arg 2 of UNIQUE_SECTION.
5586 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5588 * predict.c: Remove May 4 change.
5589 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5590 if we have predicted the branch at 50-50 probability.
5592 2000-05-05 Richard Henderson <rth@cygnus.com>
5594 * flow.c (init_propagate_block_info): Fix merge error
5595 in HAVE_conditional_execution code.
5597 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5599 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5600 shift cycle for unknown shift count. Also generates dec + brpl.
5601 (ashlqi3_out): Don't generate dec + brpl which now generates by
5602 `out_shift_with_cnt'.
5603 (ashlhi3_out): Likewise.
5604 (ashlsi3_out): Likewise.
5605 (ashrqi3_out): Likewise.
5606 (ashrhi3_out): Likewise.
5607 (ashrsi3_out): Likewise.
5608 (lshrqi3_out): Likewise.
5609 (lshrhi3_out): Likewise.
5610 (lshrsi3_out): Likewise.
5612 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5614 * gcc.c (free_split_directories): Correct typo in explanation
5615 of make_relative_prefix.
5617 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5619 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5620 comparison codes to branch_comparison_operator.
5622 2000-05-04 Richard Henderson <rth@cygnus.com>
5624 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5626 2000-05-04 Richard Henderson <rth@cygnus.com>
5628 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5629 (DPBIT_FUNCS): Remove _sf_to_usi.
5630 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5632 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5633 between condition and jump.
5635 * libgcc2.c (near eh_context_specific): Comment #endif string.
5636 * longlong.h: Don't use strings with embedded newlines.
5638 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5640 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5641 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5642 (print_operand): Delete %t and %T codes.
5643 (output_cbranch): New function. Support branch prediction.
5644 * config/rs6000/rs6000.md: Use output_cbranch for
5645 conditional branches and returns.
5647 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5649 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5650 * stor-layout.c (place_field): Likewise.
5651 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5652 * expr.c (store_expr): Make align unsigned.
5653 * explow.c (plus_constant_wide): Make low words unsigned.
5654 * expmed.c (choose_multiplier): Likewise.
5655 * fold-const.c (fold): Likewise.
5656 * tree.h (build_int_2): Likewise.
5657 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5658 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5659 (init_emit): Change cast to unsigned char*.
5660 * varasm.c (compare_constant_1): Add cast to char*.
5661 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5662 * reload1.c (reload): Likewise.
5664 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5666 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5668 * predict.c (estimate_probability): If no prediction was found, then
5669 predict the successor that is the next physical block (if such a
5672 2000-05-04 Richard Henderson <rth@cygnus.com>
5674 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5676 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5678 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5680 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5682 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5683 attribute macros from here ...
5684 (CPP_SPEC): to here.
5685 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5686 (CPP_SPEC): Likewise.
5687 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5689 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5690 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5692 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5694 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5696 * diagnostic (vbuild_message_string, build_message_string,
5697 build_location_prefix, output_get_prefix, init_output_buffer,
5698 output_notice, vline_wrapper_message_with_location,
5699 v_message_with_decl, default_print_error_function): De-constify.
5700 (set_real_maximum_length): Prototype.
5702 * diagnostic.h (struct output_buffer, init_output_buffer,
5703 output_get_prefix, output_set_prefix): De-constify.
5705 * function.c (init_function_start): Constify.
5707 * gensupport.c (remove_constraints, process_rtx): Prototype.
5709 * gthr-posix.h: Indent uses of #pragma.
5711 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5714 * predict.c (find_expected_value): Delete prototype.
5715 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5717 * sbitmap.h (debug_sbitmap): Prototype.
5719 * ssa.c (compute_coalesced_reg_partition): Prototype.
5721 * stor-layout.c (debug_rli): Prototype.
5723 * tree.h (round_down): Prototype.
5724 (init_function_start): Constify.
5726 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5728 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5729 (overly conservative). Change extern inline wrappers to
5730 static inline, define them always, use PARAMS properly.
5731 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5732 whitespace warnings for \f and \v at the beginning of a line.
5734 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5736 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5739 2000-05-04 Bruce Korb <bkorb@gnu.org>
5741 * fixincl/inclhack.def: added broken_cabs -
5742 Remove `extern double cabs' declarations from math.h
5743 * fixincl/inclhack.sh: regen
5744 * fixincl/fixincl.x: regen
5745 * fixincl/fixincl.c: Remove BOGOSITY code
5746 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5748 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5750 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5752 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5753 when calling MEM_COPY_ATTRIBUTES.
5754 * emit-rtl.c (operand_subword, change_address): Likewise.
5755 * explow.c (stabilize): Likewise.
5756 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5757 * integrate.c (copy_rtx_and_substitute): Likewise.
5758 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5759 when calling MEM_COPY_ATTRIBUTES.
5760 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5762 * cse.c (gen_lowpart_if_possible): Likewise.
5763 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5764 * optabs.c (gen_move_insn): Likewise.
5765 * recog.c (validate_replace_rtx_1): Likewise.
5766 * simplify-rtx.c (add_mem_for_addr): Likewise.
5767 * stmt.c (expand_anon_union_decl): Likewise.
5768 * config/arm/arm.md: Likewise.
5769 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5770 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5771 (block_move_no_loop, block_move_sequence): Likewise.
5772 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5773 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5774 Clear MEM_ALIAS_SET.
5775 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5776 MEM_COPY_ATTRIBUTES.
5778 2000-05-03 Robert Lipe <robertlipe@usa.net>
5780 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5781 to suppress libgcc1.
5782 (i[34567]86-*-sco3.2v5*) Likewise.
5783 (i[34567]86-*-sco3.2v4*) Likewise.
5784 (i[34567]86-*-sco) Likewise.
5785 (i[34567]86-*-solaris2) Likewise.
5786 (i[34567]86-*-sysv5*) Likewise.
5787 (i[34567]86-*-sysv4*) Likewise.
5788 (i[34567]86-*-udk*) Likewise.
5789 (i[34567]86-*-sysv*) Likewise.
5791 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5793 * cpphash.h (U): New define, to correct type of string constants.
5794 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5795 routines, to do casts when passing unsigned strings to libc.
5796 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5798 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5799 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5800 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5801 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5802 second argument an U_CHAR *.
5804 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5805 length field, clean up initializer.
5806 (ISTABLE): Add __extension__ to designated-
5807 initializers version.
5808 * cpplex.c (CHARTAB): Likewise.
5810 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5811 case so the file won't be empty.
5813 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5815 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5816 (REORDER_BLOCK_SUCC): Removed.
5817 (enum reorder_skip_type): Removed.
5818 (skip_insns_between_block): Renamed to skip_insns_after_block.
5819 Removed second argument. Removed dead code and cleaned up.
5820 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5821 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5822 second parameter to skip_insns_after_block.
5824 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5826 * tree.c (staticp, case LABEL_DECL): New case.
5828 2000-05-03 Richard Henderson <rth@cygnus.com>
5830 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5832 * mklibgcc1.in: Fix typo last change.
5834 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5836 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
5837 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
5838 (GCC_CFLAGS): Use it.
5839 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
5840 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
5841 objc/Make-lang.in: Use it.
5843 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
5845 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5847 2000-05-03 Richard Henderson <rth@cygnus.com>
5849 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
5850 LIBGCC1 empty with libgcc1.null.
5852 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
5854 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
5857 2000-05-03 Greg McGary <gkm@gnu.org>
5859 * tree.h (tree_common): Add bounded_flag member. Remove
5860 inaccurate comment about number of remaining bits.
5861 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
5862 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
5863 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
5864 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
5865 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
5866 (TYPE_QUAL_BOUNDED): New constant.
5867 (TYPE_QUALS): Handle bounded qualifier.
5868 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
5869 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
5870 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
5871 TYPE_AMBIENT_BOUNDEDNESS): New macros.
5872 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
5873 (tree_type): Add pointer_depth member. Remove
5874 inaccurate comment about number of remaining bits.
5875 (DECL_POINTER_DEPTH): Add macro.
5876 (tree_decl): Add pointer_depth member.
5878 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
5880 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
5881 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
5882 (lshrhi3_out): Likewise.
5883 (ashrsi3_out): bugfix in shift by 8.
5884 (test_hard_reg_class): New function.
5885 * config/avr/avr.md: Bugfix inside conditions in peepholes.
5886 (ashlhi3): removed define_expand of this pattern.
5887 (*ashlhi3_insn): renamed to ashlhi3.
5888 (ashlsi3): removed define_expand of this pattern.
5889 (*ashlsi3_insn): renamed to ashlsi3.
5890 (ashrqi3): removed define_expand of this pattern.
5891 (*ashrqi3_insn): renamed to ashrqi3.
5892 (ashrhi3): removed define_expand of this pattern.
5893 (*ashrhi3_insn): renamed to ashrhi3.
5894 (ashrsi3): removed define_expand of this pattern.
5895 (*ashrsi3_insn): renamed to ashrsi3.
5896 (lshrhi3): removed define_expand of this pattern.
5897 (*lshrhi3_insn): renamed to lshrhi3.
5898 (lshrsi3): removed define_expand of this pattern.
5899 (*lshrsi3_insn): renamed to lshrsi3.
5901 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
5903 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
5904 inclusion of "system.h".
5906 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
5908 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
5911 2000-05-03 David Mosberger <davidm@hpl.hp.com>
5913 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
5914 if -mauto-pic is on.
5915 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
5916 -mconstant-gp is in effect and function-descriptors are being used
5917 to make indirect calls.
5918 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
5919 (MASK_AUTO_PIC): Ditto.
5920 (TARGET_CONST_GP): Ditto.
5921 (TARGET_AUTO_PIC): Ditto.
5922 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
5923 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
5924 -mno-pic is in effect.
5925 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
5926 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
5927 -mauto-pic is in effect.
5928 (gprel64_offset): New pattern.
5929 (load_gprel64): Ditto.
5930 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
5931 -mconstant-gp is in effect, no need to preserve gp around direct
5933 (call_value): Ditto.
5934 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
5935 (FUNCTION_PROFILER): Define.
5936 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
5937 @fptr() directive when -mno-pic or -mauto-pic is in effect.
5938 (ASM_OUTPUT_DESTRUCTOR): Ditto.
5940 2000-05-03 Richard Henderson <rth@cygnus.com>
5942 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
5943 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
5944 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
5945 (mklibgcc, libgcc.mk): New targets.
5946 (libgcc.a): Use libgcc.mk.
5947 (stmp-multilib): Likewise.
5948 (stmp-multilib-sub): Remove.
5949 (mostlyclean): Don't delete libgcc2 temp files.
5950 * configure.in (AC_PROG_CC_C_O): Add.
5951 (NO_MINUS_C_MINUS_O): Substitute it.
5952 (all_outputs): Add mklibgcc.
5953 * mklibgcc.in: New file.
5955 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5957 * cppexp.c (op_t): Make an int.
5959 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
5961 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
5963 * gensupport.c (process_rtx): Fix macros used.
5965 2000-05-03 Richard Henderson <rth@cygnus.com>
5967 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
5968 call-clobbered registers of a call.
5970 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
5972 * gensupport.c: New file.
5973 * gensupport.h: New file.
5974 * Makefile.in (HOST_RTL): Depend on gensupport.
5975 (gensupport.o) New rule.
5976 * genattr.c: Use gensupport for reading .md files.
5977 * genattrtab.c: Ditto.
5978 * gencodes.c: Ditto.
5979 * genconfig.c: Ditto.
5981 * genextract.c: Ditto.
5982 * genflags.c: Ditto.
5983 * genopinit.c: Ditto.
5984 * genoutput.c: Ditto.
5986 * genrecog.c: Ditto.
5987 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
5988 * md.texi (Insn Splitting): Document define_insn_and_split.
5990 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
5992 * flow.c (verify_flow_info): Added two more sanity checks. The
5993 first checks that the blocks are numbered consecutively. The second
5994 checks that n_basic_blocks is actually equal to the number of
5995 basic blocks in the insn chain.
5997 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5999 * cpplib.h: Add accessor macros for token lists.
6000 * cpplib.c, cpphash.c, cpplex.c: Use them.
6002 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6004 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6005 memory usage if not in a function.
6006 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6007 return address if static.
6009 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6011 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6012 whether address may trap.
6014 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6016 * bb-reorder (chain_reorder_blocks): Changed code to test for
6017 EDGE_FALLTHRU rather than making erroneous assumption that the
6018 first outgoing edge is the fall-through edge.
6020 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6022 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6023 ABI for varargs, across all MIPS. This is incompatible because the
6024 va_list (__builtin_va_list) structure is different, so a compilation
6025 unit passing a va_list and a compilation unit being passed one, should
6026 both be compiled with the same ABI. (The old structure had two
6027 pointers, now it has three.)
6029 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6031 * bb-reorder.c (struct reorder_block_def): Remove members end,
6032 block_begin, and block_end.
6033 (REORDER_BLOCK_OLD_END): Delete.
6034 (REORDER_BLOCK_BEGIN): Delete.
6035 (REORDER_BLOCK_END): Delete.
6036 (chain_reorder_blocks): Remove dead code.
6038 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6040 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6041 notes as the end of a basic block before deleting.
6043 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6045 * final.c (final_start_function): Fix spelling of "necessary".
6047 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6049 * toplev.c (debug_ignore_block): Return int.
6050 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6051 * toplev.h, dwarf2out.h: Adjust.
6052 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6054 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6055 * toplev.c, final.c, rtl.h: Adjust.
6057 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6059 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6060 * configure.in: Look for makeinfo in the unified tree, then
6061 for a system makeinfo which is sufficiently new.
6062 * Makefile.in: If configure says makeinfo is too old, don't
6063 build or install Info documentation.
6065 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6067 * cpphash.c (collect_params): Fix off-by-one error.
6068 (dump_hash_helper): Dump all four macro nodetypes.
6070 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6072 * cpphash.c (trad_stringify): Adjust p after stringification as
6075 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6077 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6078 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6080 * cppfiles.c (file_cleanup): Delete.
6081 * cpphash.c (macro_cleanup): Delete.
6082 (collect_objlike_expansion, collect_funlike_expansion,
6083 macarg, scan_arguments): Remove CPP_POP case.
6085 * cpplex.c (null_cleanup): Delete.
6086 (cpp_pop_buffer): Do the work that was done in the cleanups
6087 here. Call _cpp_unwind_if_stack from here.
6088 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6089 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6090 stack is the buffer _below_ the one we stacked.
6091 (cpp_get_token): Always pop an exhausted buffer. Return
6092 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6093 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6094 increment the line number.
6095 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6097 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6098 we see CPP_EOF and the top of stack is the buffer _below_ the
6100 * scan-decls.c: Likewise.
6102 2000-05-02 Andrew Haley <aph@cygnus.com>
6104 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6105 where this function is called for the second time on a decl that
6106 has had its section info changed in such a way as to move it out
6108 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6110 2000-05-01 Richard Henderson <rth@cygnus.com>
6112 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6113 the sequence we're moving, not to merge_bb->head.
6115 2000-05-01 Richard Henderson <rth@cygnus.com>
6117 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6118 reference to alpha/t-linux.
6119 (alpha*-*-linux-gnu*): Likewise.
6120 * configure: Rebuild.
6122 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6124 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6127 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6129 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6131 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6134 2000-05-01 Richard Henderson <rth@cygnus.com>
6136 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6137 emit_conditional_move.
6139 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6141 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6142 as the dynamic linker.
6144 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6146 * cppfiles.c (open_include_file): Open file in blocking mode.
6147 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6148 Only exclude block devices and directories.
6150 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6151 static. Allocate the hashnode and its string in the same
6153 (del_HASHNODE): Don't free h->name.
6154 (_cpp_lookup): If there is no entry for this string, create
6155 one, of type T_VOID.
6156 (_cpp_lookup_slot): Delete.
6157 * cpphash.h: Update prototypes.
6159 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6161 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6162 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6163 node here, just fill in the value field properly. "Delete"
6164 entries by setting the value field to T_VOID. Check for
6165 hp->type == T_VOID, not hp == NULL.
6167 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6168 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6171 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6173 * config/mn10300/mn10300.c (print_operand_address): Do not add
6176 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6177 adjusted by less than 256 bytes, use ret regardless of having any
6178 callee-saved register to restore.
6180 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6182 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6184 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6186 * config/i386/djgpp.h (INT_ASM_OP): Define.
6187 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6188 (ASM_WEAKEN_LABEL): Define.
6189 (MASK_BNU210): Define.
6190 (SUBTARGET_SWITCHES): Define.
6191 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6192 (MAKE_DECL_ONE_ONLY): Define.
6193 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6195 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6197 * i386/cygwin.h (INT_ASM_OP): Define.
6199 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6201 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6202 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6204 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6206 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6207 __tmp_reg__ and __zero_reg__ initialization.
6209 2000-04-30 Richard Henderson <rth@cygnus.com>
6211 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6213 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6214 referenced bewteen the condition and the jump. Don't delete
6215 anything but the jump.
6217 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6219 * bb-reorder.c (scope_def): New struct.
6220 (scope_forest_info): New struct.
6221 (struct reorder_block_def): New member "scope".
6222 (REORDER_BLOCK_SCOPE): New macro.
6223 (relate_bbs_with_scopes): New function and prototype.
6224 (make_new_scope): Likewise.
6225 (build_scope_forest): Likewise.
6226 (remove_scope_notes): Likewise.
6227 (insert_intra_1): Likewise.
6228 (insert_intra_bb_scope_notes): Likewise.
6229 (insert_inter_bb_scope_notes): Likewise.
6230 (rebuild_scope_notes): Likewise.
6231 (free_scope_forest_1): Likewise.
6232 (free_scope_forest): Likewise.
6233 (dump_scope_forest): Likewise.
6234 (dump_scope_forest_1): Likewise.
6235 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6236 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6238 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6239 and remove_scope_notes before reordering is done. Added calls to
6240 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6241 after reordering is done.
6243 2000-40-30 Bruce Korb <bkorb@gnu.org>
6245 * fixinc/inclhack.def: Added definitions needed by OSR5,
6246 removed two stale entries (defined away with OLD_CPP).
6247 * fixinc/inclhack.sh: regen
6248 * fixinc/fixincl.x: regen
6250 2000-04-30 Richard Henderson <rth@cygnus.com>
6252 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6253 from the last insn in the sequence.
6255 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6257 * cpplex.c (cpp_idcmp): New function.
6258 * cpplib.h: Prototype it.
6259 * scan_decls.c (scan_decls): Use it to inspect token names.
6260 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6261 the file being run through the preprocessor.
6262 (check_macro_names): Provide length of token to cpp_defined.
6264 * Makefile.in: Remove stale warning message.
6266 * cppfiles.c (redundant_include_p): Provide length of token to
6268 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6269 values are unsigned int.
6270 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6271 (_cpp_lookup_slot): Do not calculate the hash, either.
6272 * cpphash.h: Update prototypes.
6273 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6274 Hashes are unsigned int. Calculate hash here, pass by value
6275 to _cpp_lookup_slot.
6277 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6279 * simplify-rtx.c (check_value_useless): Delete function.
6280 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6282 (cselib_invalidate_regno): Likewise.
6283 (cselib_invalidate_mem_1): Likewise.
6284 (references_value_p): Recognize useless values by the fact that they
6286 (discard_useless_values): Likewise.
6287 (cselib_record_set): This may turn a useless value
6290 2000-04-30 Richard Henderson <rth@cygnus.com>
6292 * config/d30v: New port.
6294 * configure.in (d30v-*): Set fp format.
6295 * configure: Rebuild.
6297 2000-04-30 Richard Henderson <rth@cygnus.com>
6299 * ifcvt.c: New file.
6300 * Makefile.in (OBJS): Add it.
6301 (ifcvt.o): New target.
6302 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6303 and conditional arithmetic.
6304 (find_insert_position): Remove.
6305 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6306 * toplev.c (DFI_ce, DFI_ce2): New.
6307 (dump_file): Add ce and ce2 dumps.
6308 (rest_of_compilation): Run if_convert a couple o times. Set
6309 cse_not_expected after cse2. Don't set no_new_pseudos until
6310 after sched1 or recompute_reg_usage.
6312 2000-04-30 Richard Henderson <rth@cygnus.com>
6314 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6315 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6317 2000-04-30 Richard Henderson <rth@cygnus.com>
6319 * flow.c (struct reg_cond_life_info): New.
6320 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6321 (init_propagate_block_info): Initialize them.
6322 (free_propagate_block_info): Destruct them.
6323 (mark_set_1): Consider conditional life before killing a register.
6324 (mark_regno_cond_dead): New.
6325 (free_reg_cond_life_info): New.
6326 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6327 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6328 (mark_used_reg): Record conditional life.
6330 * haifa-sched.c (schedule_insns): Disable death counting
6331 sanity check for HAVE_conditional_execution.
6333 2000-04-30 Richard Henderson <rth@cygnus.com>
6335 * Makefile.in (TIMEVAR_H): New.
6336 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6337 (timevar.h): Remove rule.
6339 2000-04-29 Richard Henderson <rth@cygnus.com>
6341 * config/alpha/crtend.asm: Use C comments instead of #.
6342 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6344 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6346 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6348 * cpphash.h (enum node_type: Take out T_MCONST.
6349 (union hashval): Move into struct hashnode.
6350 (struct hashnode): Pack tighter. Remove file, line, col
6352 * cpphash.c: Constify most of the macro-definition structures.
6353 (struct definition): Replace by struct object_defn
6354 and struct funct_defn. Put file, line, column information
6355 here. All users updated to match.
6356 (_cpp_create_definition, _cpp_macroexpand): Remove special
6357 case for #define WORD OTHERWORD.
6358 * cpplib.c (do_undef): Remove T_MCONST case.
6360 * cpphash.h: Move struct reflist, struct definition, and the
6361 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6362 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6363 * cpphash.c (_cpp_free_definition): Free data pointed to by
6364 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6365 (_cpp_create_definition, del_HASHNODE): Just call
6366 _cpp_free_definition to clear out a hashnode.
6367 * cpplib.c (do_pragma_poison): Likewise.
6369 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6371 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6372 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6373 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6374 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6375 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6376 REGNO_AM33_P): Redefine in terms of the new macros.
6377 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6378 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6379 STRUCT_VALUE): Likewise.
6380 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6381 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6383 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6385 * regmove.c (struct record_stack_memrefs_data): New.
6386 (record_stack_memrefs): New function.
6387 (combine_stack_adjustments_for_block): Use it.
6389 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6391 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6392 use special_function_p to detect alloca.
6394 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6396 * gcc.texi: Fixes for makeinfo 4.0 --html.
6398 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6400 * pcp.h: Delete file.
6402 2000-04-28 Kazu Hirata <kazu@hxi.com>
6404 * h8300.c (function_epilogue): Clean up flags when the last insn
6405 in a function is a barrier.
6407 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6409 * configure.in (sparc-hal-solaris2*): protect [] glob from
6411 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6412 rather than hard-coded constants in target_cpu_default2.
6413 * configure: Regenerate.
6415 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6417 * tree.c (get_callee_fndecl): Extract the initial value from
6420 2000-04-28 Richard Henderson <rth@cygnus.com>
6422 * varasm.c (record_constant_1): Record the CODE_LABEL when
6423 taking the address of a LABEL_REF.
6425 2000-04-28 Richard Henderson <rth@cygnus.com>
6426 Jan Hubicka <jh@suse.cz>
6428 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6429 adjustment; don't do the stack adjust.
6430 (expand_call): Call compute_argument_block_size right before
6431 allocating the block; update comment; don't do alignment sanity
6432 checking for sibling call; use args_size instead of
6433 unadjusted_args_size before args_size is adjusted. Use
6434 combine_pending_stack_adjustment_and_call to compute stack adjust
6435 for must_preallocate case.
6437 * expr.c (push_block): Remove shadow `temp' in inner scope.
6439 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6441 * toplev.c (rest_of_compilation): Call
6442 note_deferral_of_defined_inline_function even if the function
6445 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6447 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6449 2000-04-28 Richard Henderson <rth@cygnus.com>
6451 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6453 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6455 * timevar.c (init_timevar): DeANSIfy function definition.
6457 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6459 * Makefile.in (timevar.o): Depend on flags.h.
6460 * timevar.c (unused_stack_instances): New variable.
6461 (timevar_push): Take a timevar_stack_def from
6462 unused_stack_instances if available.
6463 (timevar_pop): Push the popped timevar_stack_def onto
6464 unused_stack_instances.
6465 (TIMEVAR_ENABLE): New macro.
6466 (timevar_def): Make standalone a 1-bit field. Add field used.
6467 (get_time): Rename parameter to now. Return after clearing it if
6469 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6470 (timevar_pop): Likewise.
6471 (timevar_stop): Likewise.
6472 (timevar_push): Likewise. Mark the timing variable as used.
6473 (timevar_start): Likewise.
6474 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6475 timevars that were never used.
6477 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6479 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6480 always TREE_READONLY.
6482 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6484 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6485 for call instruction with mode QImode.
6487 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6489 * Makefile.in (OBJS): Add timevar.o.
6490 (toplev.o): Depend on timevar.h.
6491 (ggc-simple.o): Likewise.
6492 (ggc-page.o): Likewise.
6493 (timevar.o): New rule.
6494 (timevar.h): New rule.
6496 * timevar.h: New file.
6497 * timevar.c: Likewise.
6498 * timevar.def: Likewise.
6500 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6501 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6503 (TIMEVAR): Remove macro.
6504 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6505 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6506 flow_time, combine_time, regmove_time, sched_time,
6507 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6508 sched2_time, dbr_sched_time, reorder_blocks_time,
6509 rename_registers_time, shorten_branch_time, stack_reg_time,
6510 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6512 (compile_file): Don't initialize time variables. Call
6513 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6514 of many calls to print_time.
6515 (rest_of_compilation): Add timing for reload_cse_regs.
6516 (get_run_time): Removed to timevar.c.
6517 (print_time): Likewise.
6518 (get_run_time): Implement using TV_TOTAL time variable.
6519 (print_time): Get total run time from get_run_time.
6520 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6521 computing elapsed time explicitly.
6522 * ggc-simple.c (ggc_collect): Likewise.
6523 (gc_time): Remove declaration.
6525 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6527 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6528 (expand_call): Use it.
6530 2000-04-27 Jan Hubicka <jh@suse.cz>
6532 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6535 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6537 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6540 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6542 * function.c (epilogue_done): Pass whole insn to record_insns.
6544 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6546 * cse.c (CSE_ADDRESS_COST): Remove.
6547 (find_best_addr): Add new parameter "MODE", use address_cost instead
6549 (address_cost): New.
6550 (fold_rtx): Update call of find_best_addr.
6551 * rtl.h (address_cost): Declare.
6552 * loop.c (general_induction_var): Add new parameter "MODE", use
6553 address_cost instead of ADDRESS_COST
6554 (init_loop): Use address_cost instead of ADDRESS_COST.
6555 (check_insn_for_givs): Update call of general_induction_var.
6556 (find_mem_givs): Likewise.
6557 (consec_sets_giv): Likewise.
6558 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6559 * i386.c (ix86_address_cost): New.
6560 * i386-protos.h (ix86_address_cost): Declare.
6562 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6564 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6567 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6569 * expr.c (store_expr): Use clear_storage instead of direct memset
6572 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6574 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6575 ASHIFT, AND and LABEL_REF.
6577 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6579 * invoke.texi (-foptimize-sibling-calls): Fix.
6581 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6583 * loop.c (load_mems) Don't use hard registers for the hoisting.
6585 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6586 calculation; rename const_equiv array in the preconditioning code
6587 from loop_unroll to loop_unroll_precondition
6589 2000-04-27 Richard Henderson <rth@cygnus.com>
6591 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6593 (propagate_one_insn): Clear it. Don't update reg_live here.
6594 (init_propagate_block_info): Update for pbi member changes.
6595 (free_propagate_block_info): Likewise.
6596 (mark_set_1): Know that zero_extract, sign_extract, and
6597 strict_low_part don't kill their argument. Alter hard subregs.
6598 Update new_set for non-CLOBBER sets. Update reg_live.
6599 (find_auto_inc): Update reg_live, not new_dead.
6600 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6601 to determine if the reg in question was set this insn. Only update
6602 reg info with PROP_REG_INFO.
6604 2000-04-26 Richard Henderson <rth@cygnus.com>
6606 * flow.c (allocate_reg_life_data): Set max_regno here ...
6607 (life_analysis): ... not here.
6609 * flow.c (calculate_global_regs_live): Force stack pointer
6612 2000-04-26 Richard Henderson <rth@cygnus.com>
6614 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6615 commit change group changes.
6616 (invert_exp_1): Similarly.
6617 (redirect_exp, invert_exp): Use them.
6618 (redirect_jump_1): New.
6619 (invert_jump_1): New.
6620 (jump_optimize_1): Remove code subsumed by condexec.c.
6621 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6623 2000-04-26 Richard Henderson <rth@cygnus.com>
6625 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6627 * genconfig.c (main): Set all HAVE_foo to 1.
6629 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6631 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6633 * invoke.texi: Document -fssa flag.
6635 2000-04-26 Richard Henderson <rth@cygnus.com>
6637 * flow.c (count_reg_sets_1): Remove.
6638 (count_reg_sets, count_reg_references): Remove.
6639 (recompute_reg_usage): Implement with update_life_info.
6640 Reallocate life data.
6642 2000-04-26 Richard Henderson <rth@cygnus.com>
6644 * flow.c (update_life_info): Consider blocks null to mean the
6646 (calculate_global_regs_live): Likewise.
6647 (life_analysis): Do that instead of collecting all_blocks.
6649 2000-04-26 Richard Henderson <rth@cygnus.com>
6651 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6652 a still-valid conditional jump.
6654 2000-04-26 Richard Henderson <rth@cygnus.com>
6656 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6658 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6659 * flow.c (calculate_loop_depth): Remove.
6660 * output.h (calculate_loop_depth): Don't declare.
6661 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6662 inline; run estimate_probability at the same time.
6664 2000-04-26 Neil Booth <NeilB@earthling.net>
6666 * cpplib.h: "~=" is not a single pp-token.
6667 * cpplex.c: Correct commentary.
6669 2000-04-26 Richard Henderson <rth@cygnus.com>
6671 * flow.c (mark_set_1): New arguments code and flags; update all
6672 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6673 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6674 loop_depth when optimizing for size. Do new_dead update after
6675 emitting REG_UNUSED notes. Merge mark_set_reg code.
6676 (mark_set_reg): Remove.
6677 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6678 arrange to not emit REG_UNUSED notes.
6680 2000-04-26 Richard Henderson <rth@cygnus.com>
6682 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6683 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6685 2000-04-26 Richard Henderson <rth@cygnus.com>
6687 * flow.c (propagate_one_insn): Break out from propagate_block.
6688 (init_propagate_block_info): Likewise.
6689 (free_propagate_block_info): Likewise.
6690 (propagate_block): Use them. Export.
6691 * basic-block.h: Declare them all.
6693 2000-04-26 Richard Henderson <rth@cygnus.com>
6695 * basic-block.h (life_analysis): Declare here ...
6696 * output.h: ... not here.
6697 * flow.c (life_analysis): Remove nregs parameter; replace
6698 remove_dead_code with flags. Remove ssa dead code check.
6699 Only init alias analysis if we'll use it.
6700 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6701 * ssa.c (convert_to_ssa): Likewise.
6702 (convert_from_ssa): Likewise.
6703 * toplev.c (rest_of_compilation): Likewise.
6705 2000-04-26 Richard Henderson <rth@cygnus.com>
6707 * flow.c (flow_delete_block): Rename from delete_block. Export.
6708 * basic-block.h (flow_delete_block): Declare.
6710 2000-04-26 David S. Miller <davem@redhat.com>
6712 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6713 taking a PATTERN of it.
6715 2000-04-26 <NeilB@earthling.net>
6717 * cpplex.c (spell_other, spell_char): Remove.
6719 (token_spelling, trigraph_map): Use unsigned chars.
6720 (_cpp_lex_line): Tidy up the switch statement.
6721 * cpplib.h: Implement spell_char with spell_string.
6724 2000-04-26 <RodneyBrown@pmsc.com>
6726 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6727 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6729 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6731 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6732 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6733 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6734 dwarf2out_return_save, dwarf2out_return_reg,
6735 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6736 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6737 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6739 * dwarf2out.h (dwarf2out_init): Likewise.
6741 * dwarfout.c (filename_entry, primary_filename, last_filename,
6742 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6744 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6745 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6746 dwarf2out_return_reg): Likewise.
6748 2000-04-26 Andreas Jaeger <aj@suse.de>
6750 * extend.texi (Function Attributes): Fix description of pure
6753 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6755 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6756 before calling rest_of_compilation.
6758 2000-04-26 Andreas Jaeger <aj@suse.de>
6760 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6763 2000-04-25 Richard Henderson <rth@cygnus.com>
6765 * cse.c (cse_insn): Emit barrier after unconditional jump.
6767 * calls.c (expand_call): Disable tail call generation once
6768 rtx_equal_function_value_matters is false.
6770 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6773 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6775 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6777 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6779 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6780 is the primary DIE for a member function.
6781 (gen_decl_die): Call set_decl_origin_self here.
6782 * dwarfout.c (output_decl): And here.
6783 * integrate.c (output_inline_function): Not here.
6784 Don't clear DECL_INLINE until after calling rest_of_compilation.
6785 (set_decl_origin_self): No longer static.
6786 * tree.h: Add prototype.
6787 * toplev.c (note_deferral_of_defined_inline_function): Only write
6788 out abstract instance for actual inlines.
6790 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6792 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6793 EXTENDED_REGS only if TARGET_AM33.
6794 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6795 SP_REGS to register allocation and reloading unless absolutely
6797 (movsi3): Remove special-case of adding non-constants to SP.
6799 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6801 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6802 INCLUDES to search and does not provide any of its own. Also it
6803 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6804 parameters. Also it does not call AC_DEFINE.
6805 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6806 AC_DEFINE and provides for automatic entries for autoheader.
6807 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6809 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6810 so we can pass -I flags and include gansidecl.h/system.h in this
6813 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6815 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6817 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6818 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6819 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6821 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6822 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6823 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6824 for these macros. Clean up spacing and linewraps.
6826 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6828 * calls.c (expand_call): Use get_callee_fndecl.
6830 * print-tree.c (print_node): Print the chain of an _EXPR.
6832 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6833 Jim Wilson <wilson@cygnus.com>
6834 Andrew Haley <aph@cygnus.com>
6836 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
6837 and gp save/restore problems.
6838 * config/ia64/crtend.asm: Add IA-64 unwind support.
6839 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
6840 in fr_pad_size calculation.
6841 (save_restore_insns): Move PR save area. Correct uses of
6842 RTX_FRAME_RELATED_P.
6843 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
6844 (ia64_expand_epilogue): Add eh_epilogue support.
6845 (ia64_function_prologue): Emit .prologue directive.
6846 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
6847 (ia64_override_options): Set init_machine_status and
6848 mark_machine_status.
6849 (rtx_needs_barrier): Handle bsp reads and writes.
6850 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
6851 New static variables.
6852 (process_set, process_for_unwind_directive): New functions.
6853 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
6854 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
6855 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
6857 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
6858 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
6859 (struct machine_function): Define.
6860 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6862 2000-04-25 Bruce Korb <bkorb@gnu.org>
6864 * fixinc/Makefile.in: make the removal of old programs more
6866 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
6867 install-bin and install-sh
6869 2000-04-25 Nick Clifton <nickc@cygnus.com>
6871 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
6872 defined, define to return zero.
6873 (function_cannot_inline_p): If a function has any target
6874 specific attributes, then use the macro
6875 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
6876 whether it can be inlined. If it cannot, issue a suitable
6879 * tm.texi: Add a new node 'Inlining' to document the new macro
6880 FUNCTION_ATTRIBUTE_INLINABLE_P.
6882 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
6884 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6887 2000-04-25 Neil Booth <NeilB@earthling.net>
6889 Restore previous patch, plus the following fixes:
6891 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
6892 flags, not CPP_OPEN_PAREN.
6893 * cpplex.c (expand_token_space, init_token_list,
6894 cpp_free_token_list): Put the dummy token at list->tokens[-1].
6895 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
6897 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6899 * config/i386/freebsd.h (INT_ASM_OP): Define.
6901 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
6903 * loop.c (strength_reduce): Fix typo in the last checkin.
6905 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6907 * stor-layout.c (finalize_record_size): Simplify to use existing
6909 (compute_record_mode): No longer static.
6910 * tree.h (compute_record_mode): New declaration.
6912 2000-04-25 Neil Booth <NeilB@earthling.net>
6914 * Revert my patch below until cause of build failures
6917 2000-04-25 Richard Henderson <rth@cygnus.com>
6919 * combine.c (combine_instructions): Add missing argument
6922 * toplev.c (rest_of_compilation): Delay sibcall optimization
6923 until after emit_eh_context.
6925 2000-04-24 Nick Clifton <nickc@redhat.com>
6927 * combine.c (combine_instructions): Do not try to combine a
6928 sequence of insns when the second insn has been replaced by a
6931 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
6933 * gcc.c (load_specs): New static function.
6934 (read_specs): Use it.
6936 * gcc.c (lookup_compiler): Make multiple passes for case
6937 insensitive filesystems.
6939 2000-04-24 Neil Booth <NeilB@earthling.net>
6941 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
6942 * cpphash.h (_cpp_check_directive): new.
6943 * cpplex.c (handle_newline, cpp_free_token_list,
6944 init_trigraph_map, trigraph_ok, trigraph_replace,
6945 backslash_start, skip_block_comment, skip_line_comment,
6946 skip_whitespace, parse_name, parse_number, parse_string,
6947 copy_comment, _cpp_lex_line, spell_char, spell_string,
6948 spell_comment, spell_name, spell_other, _cpp_lex_file,
6949 _cpp_output_list): new.
6950 (expand_name_space): take length argument.
6951 (init_token_list): add comment list initialisation.
6952 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
6953 instead of HSPACE_BEFORE.
6955 * cpplib.c (_cpp_check_directive): new
6956 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
6957 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
6958 (HSPACE_BEFORE): delete.
6959 (TTYPE_TABLE): rearrange.
6960 (struct cpp_toklist): update.
6962 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6964 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
6965 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
6966 argument form of AC_DEFINE.
6968 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
6969 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
6970 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
6971 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
6972 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
6974 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
6976 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6978 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
6979 deduced.h): Use -isystem, not -I, for including system headers.
6981 2000-04-24 Nick Clifton <nickc@cygnus.com>
6983 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
6984 the source register is the frame pointer or arg pointer.
6985 (addsi3_small_int): Disallow if source register is the frame
6986 pointer or arg pointer.
6988 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6990 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
6991 call to AC_MSG_RESULT.
6993 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6995 * invoke.texi: Correct grammatical errors, document
6996 -fno-gnu-keywords as identical to -fno-asm for C++.
6998 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7000 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7001 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7002 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7003 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7004 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7006 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7007 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7008 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7009 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7012 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7014 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7015 (pop_alignment): Likewise.
7016 (handle_pragma_token): Likewise.
7018 2000-04-24 Robert Lipe <robertlipe@usa.net>
7020 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7022 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7024 * combine.c (try_combine): Update reg_nonzero_bits of
7025 newi2pat before newpat.
7027 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7029 * loop.c (strength_reduce): Simplify test to INSN_P.
7030 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7031 expressions instead of CONST_INT.
7032 (express_from_1): Likewise.
7034 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7036 * regs.h (reg_n_max): Don't declare.
7037 * flow.c (reg_n_max): Don't define.
7038 * regclass.c (renumber): Don't initialize to zero.
7039 (regno_allocated): Likewise.
7040 (reg_n_max): Define.
7041 (allocate_reg_info): Don't initialize unnecessarily.
7043 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7045 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7046 and blockage_p in the newly allocated attribute.
7048 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7050 * config/mn10300/mn10300.md (addsi): `inc4' on address
7051 registers does not modify cc, but `inc' on an extended
7054 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7056 * reload.c (find_equiv_reg): Checks all valueno regs
7057 as a reload_reg_p regs.
7059 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7061 * cpphash.c (collect_objlike_expansion): Add sanity check.
7062 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7063 the buffer is the empty string, return. Mark __DATE__ and
7064 __TIME__ as XCONST nodes, not MCONST.
7065 (_cpp_macroexpand): Avoid pushing an empty buffer.
7066 (funlike_macroexpand): Don't pop token_buffer here.
7068 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7070 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7071 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7072 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7073 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7074 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7075 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7076 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7078 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7080 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7083 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7085 * cpphash.h (struct definition): Move file, line, col members...
7086 (struct hashnode): ... here. Also add 'disabled' flag.
7087 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7088 T_IDENTITY. Remove T_DISABLED.
7091 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7092 (collect_expansion): Split into collect_objlike_expansion and
7093 collect_funlike_expansion.
7094 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7095 funlike_macroexpand.
7096 (_cpp_compare_defs): Rename compare_defs, make static.
7097 (_cpp_make_hashnode): Initialize hp->disabled.
7098 (macro_cleanup): Adjust for new token types. Clear
7100 (_cpp_create_definition): Move code here to determine what
7101 sort of macro it is, and code to check for redefinitions, from
7102 do_define. Implement a few simple cases without creating a
7104 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7105 Handle the simple cases.
7106 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7109 * cppinit.c (builtin_array): Change MCONST to XCONST
7111 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7112 fix check for disabled and function-like macros.
7113 * cpplib.c (do_define): Move most logic to
7114 _cpp_create_definition.
7115 (do_undef): Handle new special token types.
7117 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7119 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7120 of CONSTANT_P for mult_val; always use validate_change to update insn.
7122 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7124 * cpphash.c (trad_stringify, add_pat): New functions.
7125 (collect_expansion): Restore support for -traditional syntax.
7126 Use trad_stringify and add_pat.
7127 (_cpp_macroexpand): Restore support for -traditional semantics.
7128 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7129 get a COMMENT token.
7130 (_cpp_lex_token): Provide COMMENT tokens to caller if
7131 traditional and parsing_define_directive.
7132 (skip_comment): Warn about // comments if -Wtraditional.
7133 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7135 (do_undef): Don't warn about undefining EMPTY nodes.
7137 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7139 * loop.c (strength_reduce): Fix biv removal code.
7141 2000-04-22 Richard Henderson <rth@cygnus.com>
7143 * predict.c (estimate_probability): Examine both sides of
7144 a branch for no exits. Use 90% not 50% for predict taken.
7145 Reorg for one copy of note generation code.
7147 2000-04-22 Richard Henderson <rth@cygnus.com>
7149 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7151 2000-04-22 Richard Henderson <rth@cygnus.com>
7153 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7154 (output_clear): Likewise.
7155 (output_printf): Use va_copy.
7156 (vline_wrapper_message_with_location): Likewise.
7157 (v_message_with_decl): Likewise.
7158 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7159 * system.h (va_copy): Provide default implementation.
7161 2000-04-22 Richard Henderson <rth@cygnus.com>
7163 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7164 the collected condition is not a constant.
7166 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7168 * diagnostic.h: New file.
7170 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7172 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7173 various function prototypes.
7174 (diagnostic.h): #include.
7175 (struct output_buffer): Move into diagnostic.h.
7176 (get_output_prefix): Rename to output_get_prefix. Export.
7177 (init_output_buffer): Export. Break out. Ajust intialization.
7178 (output_space_left, output_append): Export.
7179 (output_newline): Rename to output_add_newline. Export.
7180 (output_clear): Nullify additional output_buffer fields.
7181 (output_puts): Rename to output_add_string. Export.
7182 (dump_output): Rename to output_flush_on. Export.
7183 (build_location_prefix): Constify return-type.
7184 (emit_output_prefix): Rename to output_emit_prefix. Export.
7185 (set_real_maximum_length): New function.
7186 (output_set_maximum_length): Ditto
7187 (output_clear): Ditto.
7188 (output_add_character): Ditto.
7189 (output_add_integer): Ditto.
7190 (output_add_space): Ditto.
7191 (output_format): Ditto.
7192 (output_printf): Adjust buffer initialization.
7193 (vline_wrapper_message_with_location): Ditto.
7194 (v_message_with_decl): Ditto. Adjust call to output_puts
7195 and get_output_prefix.
7196 (default_print_error_function): Adjust buffer intialization.
7198 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7200 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7203 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7205 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7208 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7210 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7211 accurate data about SP moves.
7213 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7215 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7216 aliases to AM33 registers.
7218 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7220 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7221 to all EXTENDED bitmaps.
7223 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7225 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7226 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7227 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7229 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7231 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7232 the operand is not constant.
7234 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7236 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7237 as a call-clobbered regs.
7239 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7241 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7243 * rtl.def: Update comment.
7244 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7245 * integrate.c (expand_inline_function): Likewise.
7246 * profile.c (branch_prob): Likewise.
7247 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7248 * print-rtl.c (print_rtx): Likewise.
7249 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7250 (reemit_notes): Likewise; also use enum insn_note.
7252 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7253 (place_field): Properly compute know and actual alignment.
7255 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7258 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7261 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7263 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7264 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7265 (collect_expansion): Rewrite to scan over a token list.
7266 Remove -traditional support.
7267 (collect_formal_parameters): Rename to collect_params; rewrite
7268 to scan over a token list.
7269 (_cpp_create_definition): Adjust to scan a token list.
7270 (_cpp_macroexpand): Remove -traditional support.
7271 (_cpp_compare_defs): Whitespace is now canonicalized.
7272 (comp_def_part): Delete function.
7274 * cpphash.h: Update prototypes.
7275 * cpplex.c (init_token_list): Don't set lineno if there is no
7277 (pedantic_whitespace): New function.
7278 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7279 consume a newline. Use pedantic_whitespace.
7280 (_cpp_lex_token): Remove support for -traditional macros.
7281 (_cpp_get_define_token): Delete.
7282 (_cpp_get_directive_token): Do the real work here. Use
7283 pedantic_whitespace.
7284 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7286 * cpplib.c (get_macro_name): Delete.
7287 (do_define): Read the entire line into pfile->directbuf, then
7288 feed the token list to _cpp_create_definition.
7289 * cpplib.h (HSPACE_BEFORE): new define.
7290 (struct cpp_reader): Add a toklist member, "directbuf".
7292 * predict.c (estimate_probability): New heuristic: if a jump
7293 branches around a block with no successors, predict it taken.
7294 Disentangle control flow.
7296 2000-04-20 Richard Henderson <rth@cygnus.com>
7298 * loop.c (emit_iv_add_mult): Revert last change.
7300 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7302 * cpplib.h (enum cpp_ttype): Add token types for all
7303 punctuators. Distinguish pp-numbers from valid C numbers.
7304 Give some tokens better names. Initialize from macro.
7305 (struct cpp_name, cpp_token, cpp_toklist): New data
7308 * cpplex.c (bump_column, expand_name_space,
7309 expand_token_space, init_token_list, cpp_output_list,
7310 _cpp_scan_line): New functions.
7311 (output_line_command): Add third argument, new line number.
7312 * cpphash.h: Update prototypes.
7313 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7316 2000-04-20 Richard Henderson <rth@cygnus.com>
7318 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7320 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7322 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7325 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7327 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7328 REG_EQUAL note explaining the calculated value.
7330 * calls.c (expand_call): Avoid unnecesary precalculation
7331 and outgoing parameters space guarding for sibling calls.
7332 (store_one_arg): Likewise.
7334 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7336 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7337 (rest_of_compilation): Write sibling dump file and account
7338 for time as jump time.
7339 * invoke.texi: Update documentation on dump flags.
7341 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7343 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7345 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7347 * cpphash.c (special_symbol): Represent an empty macro with
7348 "\r \r " not just "\r ".
7349 (_cpp_macroexpand): Correct condition for the foo ( ) special
7351 (unsafe_chars): Handle EOF as second argument.
7352 (push_macro_expansion): Simplify test for removing escape at
7353 end. Do not trim both escapes if there is no text in between.
7355 2000-04-19 Jim Blandy <jimb@redhat.com>
7357 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7358 of PTR_SIZE, when appropriate.
7360 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7362 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7363 (USE_ENUM_BITFIELDS): Fix typo.
7365 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7367 * stor-layout.c (place_field): Set rli->offset_align properly.
7369 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7371 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7372 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7373 PARM_BOUNDARY): Remove unnecessary casts.
7375 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7377 * calls.c (precompute_arguments): Remove must_preallocate and
7379 (expand_call): Update call of precompute_arguments.
7381 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7382 check_insn_for_givs): Break out from ...
7383 (strength_reduce) ... here; use for_every_insn_in_loop to call
7384 check_insn_for_givs.
7385 * loop.h (for_every_insn_in_loop): Declare.
7386 (loop_insn_callback): New type.
7388 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7390 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7393 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7395 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7398 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7400 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7402 * configure.in: Delete --disable-cpplib option and all
7403 references to cpp_main.
7404 * configure: Regenerate.
7405 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7406 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7407 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7408 cpp$(exeext). Add --no-headers to makeinfo command line when
7409 generating INSTALL. Install and uninstall cpp.1 manpage, not
7411 * install.texi: Delete all references to cexp.y/cexp.c.
7412 Delete ancient instructions for compiling GCC on 3b1.
7413 * INSTALL: Regenerate.
7415 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7416 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7417 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7419 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7420 which is no longer tested anywhere.
7422 * cppinit.c (handle_option): Don't run error message through
7425 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7427 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7428 * cpperror.c (hashtab.h): Now include.
7429 * cppexp.c (hashtab.h): Likewise.
7430 * cpplex.c (hashtab.h): Likewise.
7431 * cppfiles.c (hashtab.h): Likewise.
7432 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7433 to htab_find_slot_with_hash.
7434 * cpphash.c (hashtab.h): Now include.
7435 (_cpp_lookup_slot): INSERT is now enum insert_option.
7436 * cpphash.h (_cpp_lookup_slot): Likewise.
7437 * cppinit.c (hashtab.h): Include earlier.
7438 (initialize_builtins): Pass enum to htab_find_slot.
7439 * cpplib.c (hashtab.h): Now include.
7440 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7441 (do_pragma_poison, do_assert): Likewise.
7442 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7443 htab_find_slot_with_hash.
7444 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7445 * tree.c (type_hash_add): Likewise.
7446 (build1): Minor cleanup.
7448 * ggc-common.c: Add missing blanks.
7449 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7450 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7452 * stmt.c (mark_case_node): New function.
7453 (mark_case_nesting): Call it.
7455 * expmed.c (emit_store_flag): If comparing two-word integer
7456 with zero, can optimize NE, EQ, GE, and LT.
7458 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7459 * conflict.c: Minor cleanups.
7460 * optabs.c: Add blank line
7461 * simplify-rtx.c: Minor cleanups.
7463 2000-04-18 Stan Cox <scox@cygnus.com>
7465 * gengenrtl.c (genlegend): Fix misspelling.
7467 2000-04-18 Robert Lipe <robertlipe@usa.net>
7469 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7470 bitfields of the host compiler are not signed quantities.
7471 * config.in: Regenerate.
7472 * configure: Regenerate.
7473 * system.h (USE_ENUM_BITFIELDS): Added.
7474 (ENUM_BITFIELDS): Added.
7475 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7476 (SHORT_ENUM_BUG): Deleted.
7477 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7479 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7480 (CODE_FIELD_BUG): Likewise.
7481 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7483 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7485 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7487 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7490 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7492 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7493 * cpplib.c (do_include, do_import, do_include_next,
7494 read_line_number, detect_if_not_defined): Likewise.
7495 * cpphash.c (collect_expansion): Likewise.
7496 (special_symbol, _cpp_macroexpand): Check return from
7498 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7499 macros. Delete all uses.
7501 * gcc.dg/cpp-mi.c: Add two more test cases.
7502 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7504 2000-04-17 Richard Henderson <rth@cygnus.com>
7506 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7507 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7509 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7511 * function.c (expand_function_start): Use hard_function_value to
7512 compute the RTL to use for DECL_RESULT.
7514 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7516 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7517 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7518 x86_memory_mismatch_stall): New global variables.
7519 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7520 alloved; fix load penalties for Athlon.
7521 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7522 x86_memory_mismatch_stall): Declare.
7523 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7524 TARGET_MEMORY_MISMATCH_STALL): New.
7525 * i386.md (athlon scheduling parameters): Fix latencies according to
7526 Athlon Optimization Manual.
7527 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7529 (fsqrt instruction patterns): Set athlon_decode to direct.
7530 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7531 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7532 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7533 and TARGET_PARTIAL_REGISTER_STALL machines.
7534 (pushdf_nointeger): New pattern.
7535 (pushdf_integer): Rename from pushdf.
7536 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7537 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7539 2000-04-17 Richard Henderson <rth@cygnus.com>
7541 * loop.c (canonicalize_condition): Add WANT_REG argument.
7542 Stop the search if we match it.
7543 * expr.h (canonicalize_condition): Update decl.
7544 * predict.c (expected_value_to_br_prob): Use it. Track last
7545 expected value note.
7546 (find_expected_value): Remove.
7548 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7550 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7552 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7553 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7555 * configure.in: Call AC_FUNC_MMAP_FILE.
7556 * configure: Regenerate.
7557 * config.in: Regenerate.
7559 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7560 * fixinc/fixincl.c: Likewise.
7562 2000-04-17 Richard Henderson <rth@cygnus.com>
7564 * builtins.c (expand_builtin_expect): New.
7565 (expand_builtin): Call it.
7566 * builtins.def (BUILT_IN_EXPECT): New.
7567 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7568 * extend.texi: Document it.
7570 * predict.c (expected_value_to_br_prob): New.
7571 (find_expected_value): New.
7572 * basic-block.h (expected_value_to_br_prob): Declare.
7573 * toplev.c (rest_of_compilation): Invoke it.
7575 * rtl.h (NOTE_EXPECTED_VALUE): New.
7576 (NOTE_INSN_EXPECTED_VALUE): New.
7577 * rtl.c (note_insn_name): Update.
7578 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7579 cases; handle NOTE_INSN_EXPECTED_VALUE.
7581 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7583 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7584 leaf sibcall delay slot if flag_pic.
7585 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7587 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7589 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7591 * fixproto: If fix-header fails, exit with an error.
7593 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7595 * cse.c (struct check_depdendence_data): New.
7596 (check_dependence): New function.
7597 (invalidate): Use check_depdenence.
7599 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7601 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7602 UNITS_PER_WORD is unsigned.
7604 * tree.h (struct tree_common): Remove misleading comment.
7606 2000-04-16 Dave Pitts <dpitts@cozx.com>
7608 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7609 message in quotes. Otherwise, IBM's make program treats the '#' as the
7610 start of a comment and ignores the remainder of the line.
7612 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7614 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7615 * cexp.y (initialize_random_junk): Likewise.
7616 * cppfiles.c (find_include_file): Cast alloca return value.
7617 * cppinit.c (initialize_standard_includes): Likewise.
7618 * cpplib.c (cpp_define, cpp_undef): Likewise.
7619 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7620 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7621 * fold-const.c (CHARMASK): New.
7622 (real_hex_to_f): Use it.
7623 * real.c (CHARMASK): New.
7624 (etoasc, asctoeg): Use it.
7625 (asctoeg): EBCDIC lower case characters preceed upper case.
7627 * i370.c (mvs_add_label): Change spacing for coding conventions.
7628 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7629 outputing case vectors.
7630 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7631 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7632 since vector in in the data CSECT.
7633 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7634 * i370.md (Many patterns): Put the length in the XL directives.
7635 (movdi): Put back STM and MVC in definition.
7636 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7637 pattern using the TCA.
7638 * oe.h (CPP_SPEC): Added to allow trigraphs.
7639 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7640 not support the "long long" type.
7642 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7644 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7646 (mips_reg_mode_ok_for_base_p): Likewise.
7647 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7648 (REG_OK_FOR_INDEX_P): Define unconditionally.
7649 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7650 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7651 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7652 that GET_MODE_SIZE is unsigned.
7653 (mips_reg_mode_ok_for_base_p): Define.
7654 (mips_legitimate_address_p): Likewise. Adjust now
7655 that GET_MODE_SIZE is unsigned.
7656 (block_move_loop): Make the number of bytes unsigned.
7657 (expand_block_move): Likewise.
7658 (function_arg): Make the loop counter unsigned to match the
7661 2000-04-16 Richard Henderson <rth@cygnus.com>
7663 * rtl.h (enum insn_note): New enumeration. Subsume
7664 NOTE_INSN_DELETED and friends.
7665 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7666 * rtl.c (note_insn_name): Tweak string order.
7668 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7670 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7673 * cpplex.c (output_line_command): Remove debugging prints.
7674 (cpp_output_tokens): Don't write out a zero-length buffer or
7675 try to see if it has a newline in it.
7676 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7677 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7678 the end of the loop. Use memmove. Don't read past the end of
7679 the buffer. Remove trailing newlines from error messages.
7681 2004-04-16 Neil Booth <NeilB@earthling.net>
7683 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7684 * cpplib.c: Add new syntax flags to directive table, and
7687 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7689 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7692 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7694 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7695 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7697 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7699 * Makefile.in (ggc-page.o): Now includes toplev.h.
7700 * ggc-page.c (toplev.h): Now included.
7701 (gc_time): Remove declaration.
7702 (ggc_collect): TIME now long.
7703 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7705 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7707 * toplev.c: Make *_time variable long to reduce chance of overflow.
7708 (TIMEVAR): Likewise for `otime'.
7709 (print_time): Arg is now long; compute percentage in FP and round.
7710 * toplev.h (print_time): Arg is long.
7712 * tree.c: Minor whitespace changes.
7714 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7715 * configure: Rebuilt.
7716 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7717 (__fixunsxfDI): Renamed from __fixunsxfdi.
7718 (__fixunsdfDI): Renamed from __fixunsdfdi.
7719 (__fixunssfDI): Renamed from __fixunssfdi.
7720 (__floatdisf): Use proper type in REP_BIT macro.
7721 (__fixunsxfSI): Renamed from __fixunsxfsi.
7722 (__fixunsdfSI): Renamed from __fixunsdfsi.
7723 (__fixunssfSI): Renamed from __fixunssfsi.
7724 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7725 Change location of macros and upper-case some names as above.
7726 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7727 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7729 * varasm.c (assemble_variable): Add cast to remove warning.
7730 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7732 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7733 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7734 region number to -1.
7736 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7738 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7739 call unshare_all_rtl.
7741 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7743 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7745 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7746 Use .s1 not .s0 for all FP instructions.
7748 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7750 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7752 (safe_fwrite, output_line_command): New static functions.
7753 (cpp_expand_to_buffer): Now private to cpplib.
7754 (cpp_scan_buffer): Take a printer.
7756 * cpphash.h: Update prototypes.
7757 * cpplib.h: Update prototypes.
7759 (cpp_buffer): Remove last_nominal_fname.
7760 (cpp_reader): Remove lineno.
7762 * cppmain.c: Use a cpp_printer.
7763 * fix-header.c: No need to inhibit line commands. Call
7764 cpp_start_read with no printer.
7766 * cpperror.c (cpp_notice_from_errno): Provide default name.
7767 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7768 (find_include_file, cpp_read_file): Use make_IHASH.
7769 (file_cleanup): Set control_macro and clear
7770 input_stack_listing_current here.
7771 (_cpp_execute_include): Don't output entering-file marker.
7772 * cpphash.c (special_symbol): Look for the line number in the
7773 buffer, not the reader.
7774 (_cpp_macroexpand): No need to disable line commands.
7775 (_cpp_dump_definition): No need to generate line commands.
7776 (dump_hash_helper): Remove excess newline from output.
7777 * cppinit.c (dump_special_to_buffer): No need to generate line
7779 (cpp_printer_init): New.
7780 (cpp_start_read): Take a printer, and start it up if it's not
7781 NULL. No need to generate line commands.
7782 (cpp_finish): Expect no buffers stacked at all. Take a
7783 printer argument, and flush the output buffer if it's not
7785 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7786 Don't put two hashes at the beginning of an assertion.
7787 (cpp_get_token): Don't increment pfile->lineno or emit line
7788 commands here. Return EOF if there's no buffer when we get
7790 * cpplib.c (do_define, skip_if_group):
7791 No need to disable line commands.
7792 (_cpp_output_line_command): Delete function.
7793 (do_line): Don't emit line commands here, but set things up so
7794 they will be emitted if necessary. Use _cpp_fake_ihash to
7795 make unique nominal_fnames if necessary.
7796 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7797 with 0 for column, not -1.
7798 (_cpp_handle_eof): Don't set the control macro here. Don't
7799 clear input_stack_listing_current here. Don't emit line
7802 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7804 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7805 always, use the default SVR4 start address.
7807 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7808 (LINK_SHLIB_SPEC): Define.
7809 (LINK_START_DEFAULT_SPEC): Define.
7810 (LINK_OS_DEFAULT_SPEC): Define.
7812 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7814 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7815 __do_global_ctors to handle constructors.
7816 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7817 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7818 (STARTFILE_MVME_SPEC): Likewise.
7819 (STARTFILE_SIM_SPEC): Likewise.
7820 (ENDFILE_ADS_SPEC): Use crtend.
7821 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7822 (ENDFILE_MVME_SPEC): Likewise.
7823 (ENDFILE_SIM_SPEC): Likewise.
7824 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7825 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7826 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7827 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7828 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7829 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7830 (CRTSTUFF_T_CFLAGS_S): Define.
7831 * config/rs6000/eabi-ctors.c: Delete.
7833 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7836 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
7840 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
7842 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
7843 plus mask size is smaller or equal to the mode size.
7845 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7847 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
7850 * expr.c (reload.h): Now included.
7851 (emit_block_move): Set volatile_ok when checking for movstr.
7852 (emit_move_1): Check for replacements in addresses in multi-word case.
7853 * Makefile.in (expr.o): Now includes reload.h.
7855 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
7856 Never have a LIBCALL end a basic block.
7857 (find_basic_blocks_1): Likewise.
7858 Reorganize CALL_INSN cases.
7860 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
7862 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7864 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
7865 completers from mov.ret instruction.
7867 2000-04-14 Richard Henderson <rth@cygnus.com>
7869 * fold-const.c (extract_muldiv): Don't distribute and widen
7870 multiply across plus for non-sizetype unsigned types.
7872 2000-04-14 Richard Henderson <rth@cygnus.com>
7874 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
7875 If the original source is dead in the incr insn, it's dead now.
7877 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7879 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
7880 see if DECL_BIT_FIELD needs to still be set.
7882 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
7884 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
7885 print_int_cst_octal with something that's not an INTEGER_CST.
7887 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
7888 and not a SUBREG to a FLOAT rtl.
7890 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
7892 * emit-rtl.c (try_split): Avoid infinite loop if the split
7893 results in a sequence that contains the original insn.
7895 2000-04-13 Andreas Jaeger <aj@suse.de>
7897 * config/mips/mips.c (expand_block_move): Pass alignment
7898 argument to move_by_pieces in bits, not bytes.
7900 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
7901 __pic__ for little endian.
7903 2000-04-13 Andreas Jaeger <aj@suse.de>
7905 * config/i386/i386-protos.h: Add prototype for
7906 uno_comparison_operator.
7908 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7910 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
7911 * calls.c (ECF_PURE): New flag.
7912 (emit_call_1): Handle ECF_PURE calls.
7913 (initialize_argument_information): Unset ECF_PURE flag too.
7914 (precompute_arguments): Precompute for ECF_PURE too.
7915 (expand_call): Handle ECF_PURE calls too.
7916 (emit_library_call_value_1): Rename no_queue argument to fn_type,
7917 accept value of 2 as pure function.
7918 (emit_library_call_value, emit_library_call): Rename no_queue argument
7920 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
7922 * tree.h (DECL_IS_PURE): New macro.
7923 (struct tree_decl): Add pure_flag.
7924 * c-common.c (enum attrs): Add attribute "pure".
7925 (init_attributes): Initialize attribute "pure"
7926 (decl_attributes): Handle attribute "pure".
7927 * extend.texi (Attribute "pure"): Document.
7928 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
7930 (flags_from_decl_or_type): Support attribute "pure".
7932 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
7934 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
7935 the token except for numbers and identifiers.
7937 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
7939 * i386.c (ix86_expand_binary_operator,
7940 ix86_expand_unary_operator): Check no_new_pseudos
7941 instead of reload_in_progress and reload_completed.
7942 (ix86_split_ashldi, ix86_split_ashrdi,
7943 ix86_split_lshrdi): Check no_new_pseudos instead
7944 of reload_completed.
7946 2000-04-12 Jeffrey A Law (law@cygnus.com)
7948 * function.c (purge_addressof): Unshare any shared rtl created by
7949 purge_addressof and its children.
7951 2000-04-12 Mark Mitchell <mark@codesourcery.com>
7953 * function.c (aggregate_value_p): VOID_TYPE nodes are never
7956 2000-04-05 Andreas Jaeger <aj@suse.de>
7958 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
7959 not compiling PIC code, add flags for mabi=64.
7960 (SUBTARGET_CPP_SIZE_SPEC): New.
7961 (SUBTARGET_CPP_SPEC): New.
7962 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
7963 for MIPS/Linux and lots of code needs these defines.
7965 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
7967 * reorg.c (fill_slots_from_thread): Check side_effects_p when
7968 trying the "opposite arithmetic" approach.
7970 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7972 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
7973 (struct sh_args): Add new field force_mem.
7974 (INIT_CUMULATIVE_ARGS): Initialize it.
7975 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
7977 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
7979 * calls.c (expand_call): Do not reverse args in "equal from" field.
7980 (emit_library_call_value_1): Emit_libcall_block for const and pure
7983 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7985 * reload1.c (reload_combine): Don't enable optimization for fixed
7986 registers when encountering a BARRIER.
7988 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
7990 * builtins.c (expand_builtin_memcmp): Do expansion even with
7991 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
7993 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
7994 stack is propertly aligned; add sanity checking for aligned
7996 (expand_library_call_value_1): Add sanity checking for aligned
7999 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8001 * calls.c (emit_library_call_value_1): Change 3rd arg to
8002 locate_and_pad_parm to disregard the setting of partial.
8004 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8006 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8008 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8009 CALL_INSN from the normal case.
8011 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8013 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8014 New global variables.
8015 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8017 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8019 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8020 TARGET_ADD_ESP_8): New macros.
8021 * i386.md: Add peep2s to convert esp adjustments to push and pop
8023 (pushsi_prologue, popsi_epilogue): New patterns.
8025 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8027 * real.c (toe64): Remove stale #endif from the last change.
8029 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8031 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8032 * real.c (toe64): Revert previous change.
8034 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8036 * objc/objc-act.c: Include ggc.h.
8037 (objc_tree_index, objc_global_trees): Convert most of the
8038 static tree variables into a static array with previous names
8040 (objc_ellipsis_node): New variable.
8041 (lang_init): Call objc_act_parse_init and c_parse_init.
8042 Create objc_ellipsis_node.
8043 (build_selector_translation_table): Use objc_ellipsis_node instead
8045 (hack_method_prototype): Likewise.
8046 (get_arg_type_list): Likewise.
8047 (start_method_def): Likewise.
8048 (continue_method_def): Likewise.
8049 (gen_method_decl): Likewise.
8050 (ggc_mark_imp_list): New function.
8051 (ggc_mark_hash_table): New function.
8052 (objc_act_parse_init): New function.
8053 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8054 * c-parse.in (c_parse_init): For objc add roots of objc specific
8055 local tree variables.
8056 * objc/objc-parse.y: Rebuilt.
8057 * objc/objc-parse.c: Rebuilt.
8058 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8060 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8062 * cse.c (delete_trivially_dead_insns): Also delete insns
8063 that copy a register to itself where the destination is
8066 2000-04-11 Richard Henderson <rth@cygnus.com>
8068 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8069 (propagate_block): Initialize them. Use them in parallel instead
8070 of one tmp variable, ie revert much of the 0408 and 0407 functional
8071 changes, but keep the structural changes.
8072 (mark_set_regs): Take new_dead from propagate_block_info instead.
8073 (mark_set_1, mark_set_reg): Likewise.
8074 (mark_used_regs): Likewise with new_live.
8075 (mark_used_reg): Likewise. Revert 0408 change.
8077 2000-04-11 Nick Clifton <nickc@cygnus.com>
8079 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8081 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8083 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8085 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8086 const section to output a CONSTRUCTOR based on the same conditions
8089 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8091 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8092 * pa/pa-protos.h (output_call): Add additional argument indicating
8093 if the call is a sibling/tail call.
8094 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8095 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8096 (function_arg, function_arg_partial_nregs): Likewise
8097 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8098 (emit_move_sequence): Zero extend certain constants as needed
8100 (compute_zdepdi_operands, output_64bit_and): New functions.
8101 (output_64bit_ior, function_arg): Likewise.
8102 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8103 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8104 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8105 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8106 (output_bvb): Likewise.
8107 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8108 (output_call): New argument 'sibcall'. Generate sibcall sequences
8110 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8111 (ouput_arg_descriptor): Do not emit argument descriptors for
8113 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8115 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8116 (FUNCTION_OK_FOR_SIBALL): Define.
8117 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8118 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8119 (CPP_SPEC): Use new spec infrastructure.
8120 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8121 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8122 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8123 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8124 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8125 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8126 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8127 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8128 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8129 (FUNCTION_ARG); Call out to C code.
8130 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8131 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8132 (MIN_UNITS_PER_WORD): Likewise.
8133 * pa/pa.md (cmpdi): New expander.
8134 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8135 (64bit conditional arithmetic): New patterns.
8136 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8137 (movsicc): Not available if modes on all the operands to not match.
8138 (movdicc): New expander and associated patterns.
8139 (64bit branches): New patterns.
8140 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8141 (pre_ldd, post_std): New patterns.
8142 (64bit addil, load low part): New patterns.
8143 (special movsf constant): Not available for TARGET_64BIT.
8144 (movsf, movdf expanders): Force constants into memory.
8145 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8146 (64bit movdf/movdi patterns): New patterns.
8147 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8149 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8150 (adddi3 expander): Allow "arith_operand" for second input.
8151 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8152 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8153 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8154 (muldi3): New expander for TARGET_64BIT.
8155 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8157 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8158 patterns for TARGET_64BIT.
8159 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8160 patterns for TARGET_64BIT.
8161 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8162 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8163 (sibcall_epilogue): New expander.
8164 (casesi): Tweak for TARGET_64BIT.
8165 (call expanders): Set & use the outgoing argument pointer. Use the
8166 64bit call patterns as needed. Add additional arg to output_call.
8167 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8168 (sibcall, sibcall_internal_symref): New expanders.
8169 (sibcall_value, sibcall_value_internal_symref
8170 (interspace_jump): Turn into an expander + matching patterns.
8171 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8172 * pa/pa64-regs.h: Eliminate trigraph sequences.
8173 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8175 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8177 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8178 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8179 cpp_token with cpp_ttype everywhere.
8180 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8181 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8182 CPP_BUF_COL. Line and column numbers are unsigned int, not
8184 * cpplex.c (cpp_buf_line_and_col): Delete.
8185 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8186 'long lineno' to 'unsigned int lineno'.
8187 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8189 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8191 * extend.texi: ISO C99 is not a draft anymore.
8192 * invoke.texi: ISO C++ is not a draft anymore.
8193 * cpp.texi: __cplusplus is required by the ISO standard.
8195 * extend.texi (-fthis-is-variable): Undocument.
8196 * flags.h (warn_template_debugging): Remove declaration.
8197 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8198 -Wenum-clash, -Wtemplate-debugging): Undocument.
8200 2000-04-10 Nick Clifton <nickc@cygnus.com>
8202 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8204 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8206 (ARM_SIGN_EXTEND): Use HOST_UINT.
8207 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8208 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8209 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8210 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8212 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8213 (arm_gen_constant): Use HOST_UINT.
8214 (arm_canonicalize_constant): Use HOST_UINT.
8215 (arm_reload_in_hi): Use HOST_UINT.
8216 (arm_reload_out_hi): Use HOST_UINT.
8217 (output_multi_immediate): Use HOST_UINT.
8218 (int_log2): Use HOST_UINT.
8219 (arm_poke_function_name): Use HOST_UINT.
8220 (arm_output_epilogue): Use arm_volatile_func().
8221 (output_thumb_prologue): Use arm_strip_name_encoding().
8223 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8225 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8226 of sequence point problems.
8228 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8230 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8232 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8234 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8236 * sbitmap.h: Whitespace changes and use upper-case macro args.
8237 (struct simple_bitmap_def): All sizes now unsigned.
8238 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8239 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8240 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8241 (sbitmap_zero): Cast bzero arg to PTR.
8242 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8243 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8244 loop to make structure clearer.
8245 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8246 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8247 (sbitmap_a_and_b_or_c): Likewise.
8248 (sbitmap_intersection_of_succs): Minor cleanups.
8249 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8250 (sbitmap_union_of_preds): Likewise.
8251 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8252 (debug_sbitmap): New function.
8254 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8255 * c-typeck.c (convert_for_assignment): Likewise.
8257 * expmed.c (init_expmed): Don't free objects we make.
8258 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8260 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8261 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8263 * gcse.c (expr_hash_table_size): Now unsigned.
8264 (compute_ae_gen): Local variable `i' now unsigned.
8265 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8266 (compute_transout, hoist_code): Likewise.
8267 (compute_local_properties): Likewise, also hash_table_size.
8268 (alloc_expr_hash_table): N_INSNS now unsigned.
8269 (delete_null_pointer_checks): Mark arg F as unused.
8271 * regrename.c: Minor cleanups, including chang some variables
8274 2000-04-10 Neil Booth <NeilB@earthling.net>
8276 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8278 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8280 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8282 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8283 __classof__, and __headof__ from the list of gnu keywords.
8284 (-ansi): Remove -foperator-names from list of implied options.
8285 Do not call it ANSI C++.
8286 (-foperator-names): Document as -fno-operator-names.
8288 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8290 * cpphash.c (timestamp): Delete.
8291 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8292 (special_symbol): Remove unnecessary braces. Remove
8293 T_VERSION. Treat T_STDC like T_CONST unless
8294 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8295 when one is encountered, then convert them into T_MCONST
8297 * cppinit.c (builtin_array): version_string is T_MCONST.
8298 __STDC__ has a "1" in its cpval. Don't have a terminator
8299 entry. Clean up which entries are dumped.
8300 (initialize_builtins): Only __STDC__ gets the special
8301 -traditional treatment. Count the length of builtin_array.
8302 Render version_string here.
8303 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8304 * cpplib.h (struct cpp_reader): Remove timebuf.
8306 2000-04-09 Richard Henderson <rth@cygnus.com>
8308 * genrecog.c (pred): Update comparison_operator for the unordered
8311 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8313 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8314 (uno_comparison_operator): New.
8315 (put_condition_code): Handle UNORDERED/ORDERED.
8316 (unsigned_comparison): Likewise.
8317 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8318 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8319 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8320 update all callers. Handle all 8 unordered operators.
8321 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8322 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8323 * config/i386/i386.h (PREDICATE_CODES): Update.
8324 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8325 (ix86_expand_branch, ix86_expand_setcc): Update.
8326 * config/i386/i386.md (sunordered, sordered): New.
8327 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8328 (bunordered, bordered): New.
8329 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8330 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8331 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8333 2000-04-09 Philip Blundell <philb@gnu.org>
8335 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8337 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8339 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8340 fix_truncxfhi2): New patterns.
8341 * i386.c (output_fix_trunc): Handle converting to HImode.
8343 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8345 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8347 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8348 (for_each_successor_phi): Change parameter to basic_block.
8349 (coalesce_regs_in_successor_phi_nodes): Likewise.
8350 (coalesce_regs_in_copies): Likewise.
8351 (compute_coalesced_reg_partition): Use basic_block instead of index.
8352 * rtl.h (convert_to_ssa): Delete.
8353 (convert_from_ssa): Likewise.
8354 (successor_phi_fn): Likewise.
8355 (for_each_successor_phi): Likewise.
8356 (in_ssa_form): Likewise.
8357 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8358 (convert_from_ssa): Likewise.
8359 (successor_phi_fn): Likewise.
8360 (in_ssa_form): Likewise.
8361 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8362 * flow.c (calculate_global_regs_live): Pass a basic_block to
8363 for_each_successor_phi.
8365 2000-04-08 Richard Henderson <rth@cygnus.com>
8367 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8368 was modified in the current insn.
8370 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8372 * arm/thumb.md: Delete.
8373 * arm/thumb-protos.h: Delete.
8375 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8377 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8379 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8381 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8384 * arm.md (nop): Use the standard RTL expression. Don't code as a
8386 (*arm_nop, *thumb_nop): Delete.
8388 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8389 constants. Use casts instead.
8390 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8391 output_multi_immediate, arm_poke_function_name): Likewise.
8392 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8393 MASK_RETURN_ADDDR): Likewise.
8395 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8397 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8400 * arm.md (eh_epilogue): New function.
8401 * arm.h (struct machine_function): Move to here ...
8402 * arm.c: ... from here.
8403 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8404 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8405 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8407 2000-03-30 Nick Clifton <nickc@cygnus.com>
8409 * config/arm/semi.h (ASM_SPEC): Restore definition.
8410 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8412 * config/arm/elf.h (ASM_SPEC): Restore definition.
8413 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8415 * config/arm/arm.h (ASM_SPEC): Remove definition.
8416 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8418 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8420 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8422 2000-03-24 Nick Clifton <nickc@cygnus.com>
8424 Various formating tidyups, elimination of compile time
8425 warnings and synchronisation with internal sources:
8427 * config/arm/arm-protos.h (assemble_align): Add prototype.
8428 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8429 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8430 (arm_return_addr_rtx): Rename to arm_return_addr.
8432 * config/arm/arm.c: Include except.h.
8433 Define shorter typenames for strict minipool_node and struct
8435 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8437 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8438 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8440 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8442 (ASM_SPEC): Define if not already defined.
8443 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8445 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8446 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8447 arm_gen_compare_reg.
8448 (indirect_jump): Only accept register operands.
8449 (load_indirect_jump): Keep this pattern since combine can generate
8452 * config/arm/coff.h: Include aout.h.
8453 (MULTILIB_DEFAULTS): Only define if not already defined.
8455 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8456 into arm.h (so that COFF ports can support thumb based aliases).
8457 (ASM_SPEC): Move definition into arm.h
8459 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8460 redundant apcs spec.
8461 (ASM_SPEC): Move definition to arm.h
8463 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8465 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8466 for entries in the .bss section
8468 2000-03-23 Nick Clifton <nickc@cygnus.com>
8470 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8471 to thumb_far_jump_used_p.
8473 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8474 single integer parameter.
8476 * config/arm/arm.c (struct machine_function): Add two new
8477 fields, 'far_jump_used' and 'arg_pointer_live'.
8478 (thumb_far_jump_used_p): Once the decision has been made that
8479 far jumps might be used, always return true.
8480 If being called from the initial elimination offset macro then
8481 do not bother to perform the test if the arg pointer is not
8483 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8484 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8486 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8488 * arm.c (output_return_instruction): Handle more cases where we can
8489 return from a function with an ldr instruction.
8490 (arm_output_epilogue): Likewise.
8492 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8493 if we need to push a large stack frame and there are no callee-saved
8496 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8497 in ARM code if the frame pointer has been eliminated.
8499 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8500 unspec_volatile arguments to avoid duplicates.
8501 (consttable_1, consttable_2): Fixes for big-endian mode.
8503 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8506 Re-write constant pool code.
8507 * arm.c (minipool_node, minipool_fix): New types.
8508 (minifix): Delete type.
8509 (arm_add_minipool_constant): Delete.
8510 (arm_compute_minipool_offsets, arm_find_barrier,
8511 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8512 (get_jump_table_size): Now returns HOST_WIDE_INT.
8513 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8515 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8516 (assign_minipool_offsets, arm_print_value): Likewise.
8517 (dump_minipool): Rewrite.
8518 (arm_barrier_cost): New function.
8519 (create_fix_barrier): New function.
8520 (push_minipool_barrier): New function.
8521 (push_minipool_fix): Record additional information about the fixup
8523 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8524 check the mode of what needs fixing.
8525 (arm_reorg): Rewrite.
8527 2000-03-08 Nick Clifton <nickc@cygnus.com>
8529 * config/arm/arm.md (indirect_jump): Force constant addresses into
8532 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8534 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8536 2000-02-24 Nick Clifton <nickc@cygnus.com>
8538 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8539 adjust is word aligned.
8540 (thumb_expand_epilogue): Make sure that stack adjust is word
8543 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8545 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8547 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8548 pointer relative addresses.
8550 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8552 * arm.c (find_barrier): Find the last barrier within the allowed
8555 2000-02-09 Nick Clifton <nickc@cygnus.com>
8557 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8559 2000-02-09 Nick Clifton <nickc@cygnus.com>
8561 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8562 ARM_FUNCTION_PROFILER.
8564 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8565 ARM_FUNCTION_PROFILER.
8567 * config/arm/linux-oldld.h: Imported from mainline sources.
8569 2000-02-07 Nick Clifton <nickc@cygnus.com>
8571 * config/arm/lib1funcs.asm: Merge in thumb functions from
8574 * config/arm/lib1thumb.asm: Delete.
8576 2000-02-04 Nick Clifton <nickc@cygnus.com>
8578 * config/arm/arm.c: Sychronised with current Red hat local
8580 * config/arm/arm.h: Ditto.
8581 * config/arm/arm-protos.h: Ditto.
8583 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8585 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8587 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8590 2000-02-02 Nick Clifton <nickc@cygnus.com>
8592 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8594 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8595 (return) was emited using an emit_insn() call.
8597 2000-01-31 Nick Clifton <nickc@cygnus.com>
8599 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8601 (thumb_exit): Move frame pointer back into hard frame pointer
8602 register if backtracing is being used.
8604 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8606 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8609 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8611 * config/arm/arm.md (neg_pool_offset): Provide default for new
8613 (arm_movsi_insn): Add neg_pool_offset attribute.
8614 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8615 rtx for the insn that starts the scan and an unsigned long for its
8616 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8617 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8618 instructions in *PINSERTED.
8619 (struct minipool_fixup): Add MIN_ADDRESS elt.
8620 (sort_fixups): Compute it.
8621 (arm_reorg): Changes to support inserting pools before the insn to be
8624 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8626 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8627 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8628 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8630 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8632 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8634 (TARGET_DEFAULT): Do not define if already defined.
8636 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8638 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8639 (iordi3): Allow disjoint source operands.
8640 (xordi3): Allow disjoint source operands.
8641 (negdi2): Permit construction for ARM and Thumb.
8642 (arm_negdi2): Renamed version of old negdi2 pattern.
8643 (thumb_negdi2): New pattern: Only permit non-overlapping
8644 source and destination.
8646 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8648 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8649 scratch low register so that it will not be deleted.
8651 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8653 * config/arm/pe.h (ARM_PE): Define.
8655 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8656 interfacearm attribute if this is a PE toolchain.
8657 (output_return_instruction): Do not emit anything if the function
8658 has the naked attribute set.
8659 (is_called_in_ARM_mode): If the function has the interfacearm
8660 attribute then return true.
8661 (thumb_expand_prologue): Do not generate a prologue for naked
8663 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8665 (output_thumb_prologue): Do not bother if the function is naked.
8666 Strip PE encoding from function name before emitting.
8668 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8670 * arm.md (pic_load_addr): Fix constraints.
8672 * arm.md (casesi_insn): Fix mis-applied patch.
8674 * arm.md ("core" function unit): Add rules for single- and
8676 (All TARGET_THUMB patterns): Add "type" attribute information
8678 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8679 the following insn is a CALL.
8681 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8683 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8684 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8685 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8687 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8689 * config/arm/linux-gas.h: oops - this file was missed out when the
8690 branch was created...
8692 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8694 * thumb.c: Deleted. Move contents to ...
8696 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8698 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8701 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8702 declare a prototype for asm_output_align();
8704 * arm.c (thumb_condition_code): Delete.
8705 (arm_print_operand): Always use arm_condition_code array.
8707 * arm.c (thumb_return_addr_rtx): Delete.
8708 (arm_save_machine_status, arm_restore_machine_status): Delete.
8709 (arm_init_machine_status, arm_mark_machine_status): New functions.
8710 (arm_init_expanders): Update accordingly.
8711 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8712 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8713 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8715 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8717 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8719 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8722 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8724 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8725 stack backtrace structure.
8727 * config/arm/arm-protos.h: Add prototypes for functions defined in
8730 * config/arm/arm.c (arm_override_options): Fix selection of
8731 attributes of default processor.
8733 * config/arm/coff.h: Delete needless #include.
8735 * config/arm/pe.c: Delete unused code.
8737 * config/arm/pe.h (CPP_DEFINES): Delete
8738 (SUBTARGET_CPP_SPEC): Define.
8739 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8741 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8743 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8745 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8747 (CAN_DEBUG_WITHOUT_FP): Define.
8748 (FIXED_REGISTERS): Make r11 call-saved.
8749 (CALL_USED_REGISTERS): Likewise.
8750 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8751 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8752 frame-pointer is required.
8753 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8754 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8755 if the target normally needs a stack frame in non-leaf functions.
8756 (use_return_insn): Correct logic for determining when a return
8757 instruction can be used.
8758 (output_return_instruction): Handle the frame-pointer register as
8759 a normal register when not TARGET_APCS_FRAME.
8760 (arm_output_prologue): Likewise.
8761 (arm_output_epilogue): Likewise.
8762 (output_func_epilogue): Likewise.
8763 (arm_expand_prologue): Likewise.
8764 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8766 * arm.c (use_return_insn): No need to check floating point regs if
8768 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8769 the code of value stored in the minipool array.
8770 (arm_add_minipool_constant): Likewise.
8772 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8774 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8776 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8778 * tree.c (tree_expr_nonnegative_p): New function.
8780 * tree.h (tree_expr_nonnegative_p): Declare.
8782 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8783 elide some sign_compare warnings.
8784 (build_conditional_expr): Likewise.
8786 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8788 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8790 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8791 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8792 operand. Abort if a 387 operand has an unsupported size.
8794 2000-04-08 Neil Booth <NeilB@earthling.net>
8796 * cppexp.c (parse_charconst): Null does not end character
8798 * cppinit.c (ISTABLE): Null character handled as whitespace.
8799 * cpplex.c (null_warning): new function.
8800 (skip_string): Emit warning if nulls encountered.
8801 (_cpp_skip_hspace): Emit warning if nulls encountered.
8802 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8806 2000-04-07 Richard Henderson <rth@cygnus.com>
8808 * flow.c (loop_depth): Remove.
8809 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8810 (struct propagate_block_info): New.
8811 (life_analysis): Don't allocate reg_next_use.
8812 (propagate_block_delete_insn): Break out of propagate_block.
8813 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8814 (propagate_block_delete_libcall): Likewise.
8815 (propagate_block): Create a propagate_block_info struct to pass
8816 to subroutines. Allocate one not two temporary regsets. Don't
8817 clobber memory for const calls. Look for clobbers in
8818 CALL_INSN_FUNCTION_USAGE.
8819 (mark_set_regs): Recognize COND_EXEC.
8820 (mark_set_reg): Break out of mark_set_1.
8821 (mark_used_reg): Break out of mark_used_regs.
8822 (mark_used_regs): Recognize COND_EXEC.
8823 (insn_dead_p): Use propagate_block_info struct.
8824 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8825 (find_auto_inc, try_pre_increment_1): Likewise.
8826 (print_rtl_with_bb): Dump regs live at end too.
8827 (count_reg_sets_1): Pass in loop_depth.
8828 (count_reg_sets, count_reg_references): Likewise.
8829 (recompute_reg_usage): Provide it.
8831 2000-04-07 Richard Henderson <rth@cygnus.com>
8833 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8836 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
8838 * cpplib.c (do_elif): Skip the rest of the line if we're
8839 not going to bother evaluating it.
8840 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
8841 to avoid pointless calls to the lexer.
8843 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
8845 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
8847 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
8849 * calls.c (expand_call): emit_queue if we're trying a sibcall.
8851 2000-04-07 Jakub Jelinek <jakub@redhat.com>
8853 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
8855 2000-04-06 Geoff Keating <geoffk@cygnus.com>
8857 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
8858 crtend so they can be multilibbed.
8859 (STAGESTUFF): Remove s-crt and s-crtS.
8861 2000-04-07 Richard Henderson <rth@cygnus.com>
8863 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
8864 if we discover we need a pseudo and no_new_pseudos is true.
8865 * config/alpha/alpha.md (ne:DI insn): New.
8866 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
8868 2000-04-07 Richard Henderson <rth@cygnus.com>
8870 * rtl.def (COND_EXEC): New.
8871 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
8872 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
8874 * genconfig.c (have_cond_arith_flag): Remove.
8875 (have_cond_exec_flag): New.
8876 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
8877 (main): Print HAVE_conditional_execution.
8879 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
8880 (sched_analyze_insn, print_pattern): Likewise.
8881 * reload.c (find_equiv_reg): Likewise.
8882 * rtlanal.c (reg_referenced_p): Likewise.
8883 (note_stores, dead_or_set_regno_p): Likewise.
8884 (reg_overlap_mentioned_p): Rewrite to use a switch.
8886 * ggc.h (struct rtx_def): Forward declare.
8888 * print-rtl.c (debug_rtx_range): New.
8889 * rtl.h (debug_rtx_range): Declare.
8891 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
8893 * gcse.c (gcse_main): Don't rebuild the CFG here.
8894 (delete_null_pointer_checks): Likewise.
8895 * ssa.c (convert_to_ssa): Likewise.
8896 * toplev.c (rest_of_compilation): Do it here instead. Combine
8897 sequential calls to TIMEVAR. Consistently use `insns' instead of
8898 `get_insns()'. Always split insns after reload when optimizing.
8900 * basic-block.h (merge_blocks_nomove): Declare.
8901 (tidy_fallthru_edge): Declare.
8902 * flow.c (merge_blocks_nomove): Document as merging into previous
8903 blocks. Remove cruft from between blocks; remove all edges out of A.
8904 (tidy_fallthru_edge): Export.
8906 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8908 * ssa.c (compute_conservative_reg_partition): Declare with
8910 * toplev.c (clean_dump_file): Remove previously-deleted function
8911 inadvertantly merged back in.
8912 * conflict.c (conflict_graph_add): Use a single call to
8913 htab_find_slot to look up and insert.
8915 2000-04-06 Richard Henderson <rth@cygnus.com>
8917 * genrecog.c (*): Rename _last_insn to last_insn.
8918 (make_insn_sequence): Set the position of the peephole2 C test
8919 to be at the last insn.
8921 2000-04-06 Richard Henderson <rth@cygnus.com>
8923 * flow.c (compute_flow_dominators): Free worklist.
8925 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
8927 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
8929 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8931 * rtl.h (INSN_P): New macro.
8932 (successor_phi_fn): New typedef.
8933 (for_each_successor_phi): New prototype.
8934 (in_ssa_form): New variable.
8935 (PHI_NODE_P): Likewise.
8936 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
8937 phi nodes in successors.
8938 (mark_used_regs): Add PHI case.
8939 (set_phi_alternative_reg): New function.
8940 (life_analysis): Assert that dead code elimination is not selected
8942 * toplev.c (to_ssa_time): New variable.
8943 (from_ssa_time): Likewise.
8944 (compile_file): Zero to_ssa_time and from_ssa_time.
8945 Print time to convert to and from SSA.
8946 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
8947 (print_time): Compute percent fraction as integer.
8948 * ssa.c (PHI_NODE_P): Moved to rtl.h.
8949 (convert_to_ssa): Check if we're already in SSA.
8950 Don't eliminate dead code in life_analysis.
8951 Rerun flow and life analysis at bottom.
8952 (eliminate_phi): Use canonical regnos when adding nodes.
8953 (mark_reg_in_phi): New function.
8954 (mark_phi_and_copy_regs): Likewise.
8955 (convert_from_ssa): Rerun life analysis at top.
8956 Use coalesced partition.
8957 Check for removing a phi node at the end of the block.
8958 (compute_coalesced_reg_partition): New function.
8959 (coalesce_regs_in_copies): Likewise.
8960 (coalesce_reg_in_phi): Likewise.
8961 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
8962 (for_each_successor_phi): Likewise.
8963 (rename_context): New struct.
8964 (rename_block): Use a rename_context with rename_insn_1. When
8965 renaming sets of a subreg, emit a copy of the entire reg first.
8966 (rename_insn_1): Treat data as a rename_context *. Save current
8968 (rename_set_data): Add field set_insn.
8969 * Makefile.in (HASHTAB_H): Move up in file.
8970 (OBSTACK_H): New macro.
8971 (collect2.o): Use OBSTACK_H in dependencies.
8972 (sdbout.o): Likewise.
8973 (emit-rtl.o): Likewise.
8974 (simplify-rtx.o): Likewise.
8975 (fix-header.o): Likewise.
8976 (OBJS): Add conflict.o.
8977 (conflict.o): New rule.
8978 * basic-block.h: Include partition.h.
8979 (conflict_graph): New typedef.
8980 (conflict_graph_enum_fn): Likewise.
8981 (conflict_graph_new): New prototype.
8982 (conflict_graph_delete): Likewise.
8983 (conflict_graph_add): Likewise.
8984 (conflict_graph_conflict_p): Likewise.
8985 (conflict_graph_enum): Likewise.
8986 (conflict_graph_merge_regs): Likewise.
8987 (conflict_graph_print): Likewise.
8988 (conflict_graph_compute): Likewise.
8989 * conflict.c: New file.
8991 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
8993 * tlink.c (read_repo_files): Don't look for .rpo info for
8996 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8998 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9000 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9002 * config/sh/lib1funcs.asm (___udivsi3_i4):
9003 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9004 only depends on FMOVD_WORKS.
9006 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9008 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9009 make double constant 8-byte aligned.
9011 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9013 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9014 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9015 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9016 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9017 Accept storing GENERAL_REGS into offsetable memory.
9018 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9019 building a TFmode constant other than 0.0L into GENERAL_REGS.
9021 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9023 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9025 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9027 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9028 (macro_cleanup): No need to cast pbuf->macro.
9029 (collect_expansion): Use _cpp_get_define_token. Goto done if
9030 it returns VSPACE. Remove check for trailing space after
9032 (_cpp_create_definition): Don't diddle flags here. Return
9034 (unsafe_chars): Handle c1 being EOF.
9035 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9036 checks. Don't push the buffer till after we're done with
9038 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9039 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9040 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9042 (_cpp_parse_assertion): Don't NUL terminate.
9043 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9044 hspace before calling _cpp_parse_assertion. Remove all sets
9045 of only_seen_white. Treat '\f' as hspace. Don't do anything
9046 special with '\n' here.
9047 (maybe_macroexpand): Handle T_EMPTY hash entries without
9048 pushing a buffer at all.
9049 (cpp_get_token): Handle clearing only_seen_white here. Handle
9050 incrementing the line number here. Clear
9051 potential_control_macro as well as only_seen_white, if
9053 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9054 (_cpp_get_define_token): New function, basically like
9055 _cpp_get_directive_token was but doesn't eat horizontal space.
9056 Don't do anything with only_seen_white here.
9057 (_cpp_get_directive_token): Just call _cpp_get_define_token
9058 repeatedly till it returns non-hspace.
9060 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9061 (conditional_skip, skip_if_group): Return int.
9062 (DIRECTIVE_TABLE): Change origin of all conditional directives
9064 (TRAD_DIRECT_P): New macro.
9065 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9066 an error for a bogus directive, unless -lang-asm. Use
9067 TRAD_DIRECT_P. Loop calling handler functions till one returns
9069 (get_macro_name): Don't diddle flags here.
9070 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9071 Create T_EMPTY nodes for #define macro /* nothing */.
9072 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9073 Use hp->name when calling pass_thru_directive.
9074 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9075 Return the result of conditional_skip and/or skip_if_group.
9076 Don't call _cpp_output_line_command.
9077 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9078 Issue -Wtraditional warnings as appropriate. Don't complain
9079 about unrecognized directives. If we are to stop skipping,
9080 return the number of the directive that ended the skip.
9081 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9082 expansion and line commands while skipping. Return the result
9083 of consider_directive_while_skipping, if nonzero.
9084 (do_endif): Just set potential_control_macro here.
9085 (validate_else): Use _cpp_get_directive_token.
9086 (do_assert, do_unassert): Don't save pointers into the
9087 token_buffer across calls to the lexer. Use
9088 _cpp_get_directive_token.
9090 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9091 pointer, not an offset. Replace 'data', which was a generic
9092 pointer, with 'macro', which points to a struct hashnode.
9093 (cpp_reader): Add 'potential_control_macro' pointer.
9094 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9095 (CPP_BUF_GET, CPP_FORWARD): Delete.
9096 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9097 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9098 ACTIVE_MARK_P): Update.
9099 (_cpp_get_define_token): New internal function.
9100 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9102 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9104 * configure.in: And here.
9105 * configure: Regenerate.
9106 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9107 --enable-libstdcxx-v3 is passed at configure time.
9108 * config.h.in: Regenerate.
9110 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9112 * final.c (final): Use xcalloc to allocate line_note_exists.
9113 * function.c (free_after_compilation): Free the temp_slots.
9114 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9115 (combine_temp_slot): Free temp_slots when they get combined.
9116 (purge_addressof): Fix typo in comment.
9117 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9118 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9120 * ggc.h: Include varray.h.
9121 (ggc_pending_trees): Declare.
9122 (ggc_mark_tree_children): Remove declaration.
9123 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9124 * ggc-common.c (ggc_pending_trees): New variable.
9125 (ggc_mark_roots): Call ggc_mark_trees.
9126 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9127 the ggc_pending_trees.
9128 * Makefile.in (GGC_H): New variable. Use it throughout in place
9131 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9133 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9136 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9138 * sh.c (sh_insn_length_adjustment): New function.
9139 * sh-protos.h (sh_insn_length_adjustment): Declare.
9140 * sh.h (ADJUST_INSN_LENGTH): Use it.
9142 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9144 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9145 from the insn where REG_RETVAL is added.
9146 (emit_no_conflict_block): Ditto.
9148 * md.texi (Standard Names): Clarify when movX is needed.
9150 * combine.c (simplify_comparison) [MINUS]: Do not replace
9151 all (op (minus A B) 0) with (op A B).
9153 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9154 J"orn Rennecke <amylaar@cygnus.co.uk>
9156 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9157 (block_lump_real): Likewise.
9159 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9161 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9162 remaining non-zero debugging masks.
9164 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9166 * basic-block.h (verify_flow_info): Declare.
9167 (flow_loop_outside_edge_p): Declare.
9168 * flow.c (verify_flow_info): Remove declaration.
9169 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9171 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9173 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9176 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9178 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9179 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9180 seqdi_zero_trunc+1): Allow splits only if registers are
9183 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9185 * acconfig.h: Add HAVE_GAS_HIDDEN.
9186 * config.in: Regenerated.
9187 * configure.in: Add test for .hidden pseudo-op in gas.
9188 * configure: Regenerated.
9189 * crtstuff.c: Include auto-host.h.
9190 Emit additional .hidden pseudo-op for __dso_handle if the
9191 assembler knows about it.
9193 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9195 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9196 before freeing argnames.
9197 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9199 2000-04-05 Michael Meissner <meissner@redhat.com>
9201 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9202 Walton <jonboy@gordian.com> to make memory references with update
9203 work wtih -mregnames.
9205 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9207 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9208 (regrename_optimize): Rename variables `def_uses' and
9209 `ext_basic_blocks' to avoid conflicts with similarly named
9210 typedefs in traditional C.
9212 * calls.c (initialize_argument_information): Fix typo in previous
9215 2000-04-04 Richard Henderson <rth@cygnus.com>
9217 * regrename.c (consider_available): Test fixed_regs not
9218 PIC_OFFSET_TABLE_REGNUM.
9220 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9222 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9224 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9225 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9226 (ENDFILE_LINUX_SPEC): Always use crtend.
9227 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9228 (powerpc-*-linux-gnu): Likewise.
9229 * configure: Regenerate.
9231 * config/rs6000/eabi.h: Don't include sysv4.h.
9232 (MULTILIB_DEFAULTS): Don't define.
9233 * config/rs6000/eabiaix.h: Don't include eabi.h.
9234 * config/rs6000/eabile.h: Delete.
9235 * config/rs6000/eabilesim.h: Delete.
9236 * config/rs6000/eabisim.h: Don't include eabi.h.
9237 * config/rs6000/linux.h: Don't include sysv4.h.
9238 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9239 (MULTILIB_DEFAULTS): Don't redefine.
9240 * config/rs6000/rtems.h: Don't include eabi.h.
9241 * config/rs6000/sol2.h: Don't include sysv4le.h.
9242 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9243 * config/rs6000/t-ppc: Delete.
9244 * config/rs6000/t-ppcgas: Correct comment.
9245 * config/rs6000/t-ppcos: Correct comment. Don't build
9246 multilibs for -fPIC, rather use -fPIC -mstrict-align
9248 * config/rs6000/t-ppc: Delete.
9249 * config/rs6000/vxppc.h: Don't include sysv4.h.
9250 * config/rs6000/vxppcle.h: Delete.
9251 * configure.in: Use multiple header files for p2pc ELF targets
9252 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9253 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9254 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9255 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9256 always available for these platforms.
9258 2000-04-04 Richard Henderson <rth@cygnus.com>
9260 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9262 2000-04-04 Stan Cox <scox@cygnus.com>
9264 * Makefile.in: Add rules for regrename.o
9265 * regrename.c: New file.
9266 * rtl.h (regrename_optimize): Add prototype.
9267 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9268 (compile_file, decode_d_option): Add support for -frename-registers.
9269 (rest_of_compilation): Call regrename_optimize.
9270 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9273 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9275 * Makefile (gccbug): New target.
9276 (doc): Depend on it.
9277 * gcc.texi (Bugs): Link subnodes.
9279 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9280 Document severities, priorities, and classes in bug form.
9282 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9284 * cpplex.c (trigraph_map, speccase): Combine into single
9286 (NORMAL, NONTRI): New macros.
9287 (_cpp_read_and_prescan): Change to use unified table. Use
9288 is_hspace to test for whitespace.
9290 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9291 definition that doesn't provoke the "empty body in an
9292 if-statement" warning.
9294 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9296 * builtins.c (expand_builtin_strlen): Force the source to
9297 be a memory address.
9299 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9301 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9303 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9305 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9306 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9307 (ECF_IS_CONST): Rename to ECF_CONST.
9308 (special_function_p): Make static, change interface.
9309 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9310 (expand_call) ... here; convert number of variables to flags.
9311 (emit_library_call_vlue_1): Likewise.
9312 (setjmp_call_p): New function.
9313 (initialize_argument_information): Accepts flags as argument;
9315 (precompute_arguments): Likewise.
9316 * tree.h (special_function_p): Remove.
9317 (setjmp_call_p): Add prototype.
9319 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9321 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9322 so that addresses are offsetable by up to 16 bytes.
9323 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9324 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9327 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9328 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9329 (movsf): Don't force any constant to memory if target is integer
9331 Move fp_zero_operand check below the const0_rtx check.
9332 (movtf): Likewise. Also allow fp_zero_operand for stores into
9334 (movdf): Likewise. Also allow fp_zero_operand for stores into
9335 memory and into integer hard registers.
9336 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9337 movdf_const_intreg_sp64): Remove.
9338 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9340 (movdf_no_e_insn_v9_sp32): New pattern.
9341 (movdf_insn_v9only): Remove.
9342 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9343 (movdf_insn_sp64): Remove.
9344 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9345 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9346 (following splits): Rewrite conditions. Add two new splits
9347 for storing 0.0 into memory and registers.
9348 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9349 (movtf_insn_sp32): Redo constraints and conditions.
9350 (movtf_insn_vis_sp32): New pattern.
9351 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9352 (movtf_insn_hq_sp64): Likewise.
9353 (movtf_insn_hq_vis_sp64): New pattern.
9354 (movtf_insn_sp64): Redo constraints and conditions.
9355 (movtf_insn_vis_sp64): New pattern.
9356 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9357 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9359 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9360 -mvis or -m64 to take down the number of various reload patterns.
9362 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9364 * pa/pa-64.h: New file.
9365 * pa/pa64-regs.h: New file.
9366 * pa/pa64-start.h: New file.
9367 * pa/t-pa64: New file.
9368 * pa/xm-pa64hpux.h: New file.
9370 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9372 * sparc.c (output_restore_regs): Prototype.
9373 (sparc_emit_float_lib_cmp): Constification.
9375 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9377 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9380 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9381 (get_value_hash, hash_rtx): Likewise.
9383 * ssa.c (compute_conservative_reg_partition): Prototype.
9385 * tree.c (mark_hash_entry): Prototype.
9387 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9389 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9390 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9391 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9393 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9394 * objc/lang-specs.h: Likewise.
9396 2000-04-03 Neil Booth <NeilB@earthling.net>
9398 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9399 and SYNTAX_ERROR2. Replace `' in messages with ''.
9400 (op_to_str): Make re-entrant.
9401 (_cpp_parse_expr): Implement new error macros. Use | rather
9402 than || to logically or 2 boolean integers. Simply expression
9403 checking we have a left operand iff needed.
9405 2000-04-03 Nick Clifton <nickc@cygnus.com>
9407 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9409 2000-04-03 Philip Blundell <philb@gnu.org>
9411 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9413 2000-04-03 Felix Lee <flee@cygnus.com>
9415 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9416 (run_shell): Use it.
9418 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9420 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9421 (stmp-fixproto): ...rather than here.
9423 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9425 * pa.c (print_operand): Compute 'base' only inside the code paths
9428 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9430 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9433 2000-04-03 Philipp Thomas <pthomas@suse.de>
9435 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9437 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9439 * Makefile.in (alias.o): Depend on $(TREE_H).
9441 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9443 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9445 * cpplib.c (_cpp_handle_directive): Improve warnings for
9446 traditional C and indented directives.
9448 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9449 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9450 fixinc/inclhack.def: Indent the # of #include_next one space.
9451 * cp/rtti.c: Un-indent #if and #endif.
9453 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9454 syntax error, but an error has already been printed.
9455 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9456 message when called with nothing remaining on the line.
9457 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9458 OTHER token, not an ASSERTION.
9459 * cpplib.c (do_assert): When we create a 'base' node, clear
9460 its aschain pointer.
9462 2000-04-02 Neil Booth <NeilB@earthling.net>
9464 * cppexp.c: New typedef op_t. struct operation and struct
9465 token updated to use it.
9466 (op_to_str): New function.
9467 (_cpp_parse_expr): Error messages modified to use op_to_str.
9469 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9471 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9472 before checking MUST_PASS_IN_STACK.
9474 2000-04-02 Neil Booth <NeilB@earthling.net>
9476 * cppexp.c: New FINISHED dummy token. Combine operator initial
9477 flags and initial priority into a single constant. New
9478 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9479 (_parse_cpp_expr): Implement new constants. Take left operand
9480 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9481 parse indicated by reducing FINISHED token. Remove new lines
9482 from cpp_error messages.
9484 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9486 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9489 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9491 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9492 directive. Add origin values to DIRECTIVE_TABLE. Generate
9493 the strings and function names on the fly. Take the #sccs
9494 entry out of the table if SCCS_DIRECTIVE is not defined.
9495 (_cpp_handle_directive): Decide if the # was at the beginning
9496 of the line here. Issue -pedantic warnings for extended
9497 directives here. Warn about K+R directives with the #
9498 indented, and C89/extended directives with the # not indented,
9500 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9501 do_assert, do_unassert): Don't issue pedantic warning here.
9503 * cpphash.h: Add CPP_WTRADITIONAL macro.
9504 * cpplib.h (struct cpp_options): Rename warn_stringify to
9505 warn_traditional; update comments.
9506 * cppinit.c (handle_option): Set warn_traditional not
9508 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9509 CPP_WTRADITIONAL (pfile).
9510 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9511 be ignored in -traditional mode here.
9513 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9514 to initialize speccase[] and trigraph_map[]. Delete all
9515 references to pfile->input_speccase. Always treat '?' as a
9516 special character. Remove table-initialization code from
9517 _cpp_init_input_buffer.
9519 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9520 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9522 2000-04-01 Richard Henderson <rth@cygnus.com>
9524 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9525 (mostlyclean): Likewise.
9527 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9528 (struct dump_file_info, enum dump_file_index, dump_file): New.
9529 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9530 not a string. Clean out file if we havn't yet done so. Do nothing
9531 if the dump isn't enabled.
9532 (close_dump_file): Do nothing if the dump isn't open. Dump
9533 graph data if requested.
9534 (dump_rtl, clean_dump_file): Remove.
9535 (compile_file): Don't clean the dump files. Only finalize .bp dump
9536 if flag_test_coverage or flag_branch_probabilities. Only finalize
9537 .combine dump if optimizing. Iterate over dump_file to finalize the
9539 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9540 Convert all uses of dump_rtl.
9541 (decode_d_option): Iterate over dump_file to implement 'a' and to
9542 locate pass-specific dumps.
9544 2000-04-01 Neil Booth <NeilB@earthling.net>
9546 * cppexp.c: Redefine priority constants.
9547 (_cpp_parse_expr): Replace left and right priority scheme with
9548 single priority logic. Move LOGICAL to same place as COMPARE.
9549 Remove bogus check for multiple unary +/- operators.
9551 2000-04-01 Neil Booth <NeilB@earthling.net>
9553 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9554 within the switch statement. Binary operations break out of
9555 the switch naturally. '(' tokens handled by forcing
9556 immediate shift. ')' handled by forcing immediate reduce to
9557 the previous '('. New error messages.
9559 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9561 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9562 part', it's already in use. Use %K instead. Add a return at the
9563 end of what is now %K.
9564 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9566 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9568 * builtins.c (expand_builtin_apply): Pass proper parameters to
9569 allocate_dynamic_stack_space.
9570 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9571 update stack_pointer_delta; do not update arg_size_so_far.
9572 (compute_argument_block_size): Use stack_delta instead of
9573 stack_pointer_pending and arg_size_so_far.
9574 (expand_call): Add sanity checking for stack_pointer_delta;
9575 save and restore stack_pointer_delta for SIB, use
9576 stack_pointer_delta for alignment; do not update arg_space_so_far.
9577 (emit_library_call_value): Use stack_pointer_delta for alignment.
9578 (store_one_arg): Do not update arg_space_so_far.
9579 * explow.c (adjust_stack, anti_adjust_stack): Update
9580 stack_pointer_delta.
9581 (allocate_dynamic_stack_space): Add sanity checking for
9582 stack_pointer_delta.
9583 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9584 stack_pointer_delta.
9585 (emit_push_insn): Update stack_pointer_delta.
9586 * function.h (struct expr_status): Add x_stack_pointer_delta;
9587 remove x_arg_space_so_far.
9588 (arg_space_so_far): Remove.
9589 (stack_pointer_delta): New macro.
9591 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9593 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9594 Reorder struct cpp_options and struct cpp_reader for better
9595 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9596 takes two args. Change all 'char' flags to 'unsigned char'.
9597 Move show_column flag into struct cpp_options. Don't
9598 prototype cpp_options_init.
9599 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9600 cppinit.c, cpplex.c, cpplib.c:
9601 Replace CPP_OPTIONS (pfile)->whatever with
9602 CPP_OPTION (pfile, whatever), and likewise for
9603 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9605 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9606 Extract CPP_OPTION (pfile, pending) and work with that
9608 (cpp_options_init): Delete.
9609 (cpp_reader_init): Turn on on-by-default options here.
9610 Allocate the pending structure here.
9611 (cl_options, enum opt_code): Define these from the same table,
9612 kept in a large macro. Add -fshow-column and -fno-show-column
9615 * cpperror.c (v_message): If show_column is off, don't print
9618 * cppmain.c: Update for new interface.
9619 * fix-header.c: Likewise.
9621 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9623 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9625 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9626 are passed to any invocation of AR_FOR_TARGET.
9627 (AR_CREATE_FOR_TARGET): New macro.
9628 (AR_EXTRACT_FOR_TARGET): New macro.
9629 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9630 AR_EXTRACT_FOR_TARGET.
9631 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9632 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9633 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9634 AR_EXTRACT_FOR_TARGET to sub-makes.
9636 2000-03-31 Neil Booth <NeilB@earthling.net>
9638 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9640 (_cpp_parse_expr): Check for multiple unary +/- operators.
9641 Correct priorities of ':' and '?'. Treat ')' as having a
9642 value. Ensure conditional expression is not void.
9644 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9646 * alias.c (canon_rtx): Make it global.
9647 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9649 * cse.c (struct table_elt): Add canon_exp.
9651 (invalidate): Canonicalize expressions only once.
9652 * rtl.h (canon_rtx): Declare.
9654 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9656 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9657 * alias.c (reg_known_value): Add comments.
9658 (init_alias_analysis): Likewise.
9659 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9661 (cse_basic_block): Fix typo in comment.
9662 * emit-rtl.c: Include hashtab.h.
9663 (const_int_htab): New variable.
9664 (const_int_htab_hash): New function.
9665 (const_int_htab_eq): Likewise.
9666 (rtx_htab_mark_1): Likewise.
9667 (rtx_htab_mark): Likewise.
9668 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9669 (unshare_all_rtx): Fix formatting.
9670 (init_emit_once): Initialize const_int_htab.
9671 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9673 * rtl.texi: Document the fact that all CONST_INTs with the same
9676 2000-03-30 Richard Henderson <rth@cygnus.com>
9678 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9680 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9682 * configure.in: Comment out --enable-c-cpplib stanza.
9683 * configure: Regenerate.
9685 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9687 * expr.c (store_constructor): Properly compute displacement and
9688 alignment when offset is variable.
9690 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9691 cases of alignment in bytes.
9693 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9695 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9696 since it is used to generate c-parse.y.
9697 * objc-parse.c, objc-parse.y: Regenerated.
9699 * function.c (expand_function_end): Pass alignment argument to
9700 emit_block_move in bits, not bytes.
9702 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9704 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9707 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9709 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9710 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9711 * function.c (assign_parms): Likewise.
9712 * integrate.c (expand_inline_function): Likewise.
9713 * stmt.c (expand_decl): Likewise.
9714 (copy_rtx_and_substitute): Likewise.
9715 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9716 (clear_by_pieces): Fix error in last change.
9717 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9718 * function.h (regno_pointer_align): Now unsigned.
9719 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9721 * config/i386/i386.c (aligned_operand): Likewise.
9722 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9723 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9724 (unaligned_memory_operand): Likewise.
9725 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9726 Also make alignments and sizes unsigned and some whitespace cleanup.
9727 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9729 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9730 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9731 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9732 (expand_builtin_memset): Likewise, but to clear_storage.
9733 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9734 (restore_fixed_argument_area): Likewise.
9735 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9736 (load_register_parameters): Likewise, to emit_group_load.
9737 (expand_call): Likewise, to emit_group_store and emit_block_move.
9738 (emit_library_call_value_1): Likewise, to emit_block_move.
9739 (store_one_arg): Likewise, and to emit_push_insn.
9740 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9741 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9742 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9743 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9744 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9745 (expand_assigment, store_expr, store_constructor_field): Likewise.
9746 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9747 (store_constructor, store_field, get_inner_reference): Likewise.
9748 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9749 (expand_expr, case COMPONENT_REF): Likewise.
9750 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9751 and positions; reindent code.
9752 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9753 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9754 (assign_parms): Likewise to emit_group_store.
9755 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9756 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9757 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9758 (expand_return): Likewise to {extract,store}_bit_field.
9759 * stor-layout.c (get_mode_alignment): Minor cleanup.
9760 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9761 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9763 2000-03-29 Nick Clifton <nickc@cygnus.com>
9765 * config/arm/arm.h: Undo effects of previous delta:
9766 (ASM_SPEC): Do not define.
9767 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9769 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9772 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9774 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9775 only after reading in the primary source file.
9777 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9779 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9780 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9781 or a reference to a va_list.
9782 * builtins.c (stabilize_va_list): Simplify now we don't have to
9783 work around C array address decay.
9784 * c-typeck.c (convert_for_assignment): Handle assignment to
9785 a reference parameter by taking the address of the RHS.
9786 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9787 (va_copy): Likewise.
9788 (__va_copy): Likewise.
9789 * ginclude/varargs.h (va_start): Likewise.
9790 (__va_copy): Likewise.
9792 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9794 * i386/djgpp.h: Remove extraneous "+".
9796 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9798 * calls.c (expand_call): Fix typo in last change.
9800 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9802 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9805 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9807 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9808 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9809 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9810 * tree.c (bit_position, byte_position): Likewise.
9811 * tree.h: Declare new functions.
9813 2000-03-29 Nick Clifton <nickc@cygnus.com>
9815 * config/arm/arm.c: Minor formatting changes/
9816 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9818 (ASM_SPEC): Define if not already defined.
9820 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9822 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9825 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9827 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9828 value, don't output it as unsigned.
9830 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9832 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9834 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9836 * c-common.c (c_common_nodes_and_builtins): Don't special case
9837 cplus_mode when declaring builtin bzero/bcmp, always avoid
9838 prototype arguments.
9840 2000-03-29 Bruce Korb <bkorb@gnu.org>
9842 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
9845 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9847 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
9848 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
9849 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
9850 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
9851 (save_fixed_argument_area, restore_fixed_argument_area):
9852 conditionize by #ifdef REG_PARM_STACK_SPACE only.
9853 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
9854 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
9855 (precompute_register_parameters): Avoid #ifdefs on
9856 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
9857 (stire_one_args): Likewise.
9858 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
9859 (emit_library_call_value_1): Likewise.
9860 (compute_argument_block_size): Align to STACK_BOUNDARY only for
9861 ACCUMULATE_OUTGOING_ARGS.
9862 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
9864 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
9865 (use_crosses_set_p): Likewise.
9866 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
9867 #define ACCUMULATE_OUTGOING_ARGS 1.
9868 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
9870 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
9872 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
9873 (TARGET_SWITCHES): Add push-args, no-push-args,
9874 accumulate-outgoing-args and no-accumulate-outgoing-args.
9875 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
9876 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
9877 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
9879 (emit_push_insn): Likewise.
9880 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9881 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
9882 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9883 (STACK_DYNAMIC_OFFSET): Define correctly for both
9884 ACCUMULATE_OUTGOING_ARGS and normal mode.
9885 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
9886 * tm.texi (PUSH_ARGS): Document.
9887 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
9889 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
9891 * flags.h (flag_optimize_sibling_calls): Declare.
9892 * calls.c (expand_call): Fail sibcall when
9893 !flag_optimize_sibling_calls
9894 * invoke.texi (flag_optimize_sibling_calls): Document.
9895 * toplev.c (flag_optimize_sibling_calls): New global variable.
9896 (f_options): Add flag_optimize_sibling_calls.
9897 (rest_of_compilation): Conditionize
9898 optimize_sibling_and_tail_recursive_calls by
9899 flag_optimize_sibling_calls.
9900 (main): Set flag_optimize_sibling_calls for -O2.
9901 * stmt.c (expand_return): Conditionize tail recursion by
9902 flag_optimize_sibling_calls.
9904 2000-03-29 Richard Henderson <rth@cygnus.com>
9906 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
9907 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
9909 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
9911 * except.c (add_eh_table_entry): Mark type_info's as referenced.
9913 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9915 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
9917 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
9918 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
9919 * config/rs6000/aix.h: then modified likewise.
9921 2000-03-28 Richard Henderson <rth@cygnus.com>
9923 * rtl.h: Redistribute enum reg_note documentation.
9924 Kill trailing whitespace.
9925 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
9926 Kill trailing whitespace.
9928 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
9930 * cppfiles.c (hash_IHASH): Just return i->hash.
9931 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
9932 htab_find_with_hash.
9933 (cpp_read_file): Likewise.
9934 (find_include_file): Likewise. Properly initialize
9935 ih->nshort. Share ih->name and ih->nshort if possible.
9936 * cpphash.c (_cpp_calc_hash): New function.
9937 (hash_HASHNODE): Just return h->hash.
9938 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
9939 htab_find_with_hash.
9940 * cpphash.h: Prototype _cpp_calc_hash.
9941 * cppinit.c (initialize_builtins): Provide a valid hash
9942 to _cpp_make_hashnode, using _cpp_calc_hash.
9944 * cpphash.c (collect_expansion): # is not a special character
9945 in object-like macros. In -traditional mode, /**/ is not
9946 token paste at the beginning or end of the line.
9947 * cpplib.c (do_include, do_import, do_include_next): If
9948 parse_include fails, return immediately.
9950 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
9952 * config/arm/arm.md (return peepholes): Update to reflect the new
9954 * config/arm/arm.c (arm_volatile_func): Also check
9955 current_function_nothrow.
9956 (output_return_instruction, output_func_prologue): Use it.
9957 (arm_output_epilogue, arm_expand_prologue): Likewise.
9959 2000-03-27 Tom Tromey <tromey@cygnus.com>
9961 * gcc.c (handle_braces): In {x*...} case, break out of loop if
9964 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9966 * expr.c (store_constructor): SIZE now signed.
9967 For EXPR_SIZE, don't evaluate size; just needed if constant.
9968 * fold-const.c (fold): Fix a number of cases when folded tree is
9970 * function.c (flush_addressof): Reenable.
9971 * tree.h (flush_addressof): Likewise.
9972 * toplev.c (independent_decode_option): Look at strings_processed.
9973 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
9975 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
9977 * sibcall.c (indentify_call_return_value): Find last call in the chain;
9978 Allow stack adjustment after function call.
9980 * regmove.c (struct csa_memlist): Make mem field rtx *.
9981 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
9982 (try_apply_stack_adjustment): Replace whole MEM rtx.
9983 (combine_stack_adjustments_for_block): Update calls
9984 to record_one_stack_ref.
9986 2000-03-28 Neil Booth <NeilB@earthling.net>
9988 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
9989 '\\' rather than a null character, so nulls are not special. Fix
9990 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
9991 speed trigraph conversion.
9992 (_cpp_init_input_buffer): Initialize trigraph map.
9994 2000-03-27 Alan Modra <alan@linuxcare.com.au>
9996 * config/i386/i386.c (output_387_binary_op): Correct intel
9997 mode assembly output, and add spaces after commas in AT&T
9998 output. Correct Unixware assembler comment. Document input
9999 constraints. Comment fp operations. Reduce profligate buffer
10000 size. Remove extraneous abort. Localize temp var.
10001 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10002 (output_fix_trunc): Add spaces after commas in assembly output.
10004 2000-03-27 Richard Henderson <rth@cygnus.com>
10006 * i386-protos.h (ix86_match_ccmode): Declare.
10007 * i386.c (ix86_match_ccmode): New.
10008 (ix86_expand_fp_compare): Update for pattern renames.
10009 (ix86_expand_strlensi_unroll_1): Likewise.
10010 * i386.h (EXTRA_CC_MODES): Add CCZ.
10011 (SELECT_CC_MODE): Use it for EQ/NE zero.
10012 * i386.md (cmpsi_ccz_1): New.
10013 (cmpqi_ccz_1): New.
10014 (*testsi_ccz_1): New.
10015 (testqi_ccz_1): New.
10016 (cmpsi_ccno_1): Rename from cmpsi_0.
10017 (testsi_ccno_1): Rename from testsi_1.
10018 (testqi_ccno_1): Rename from testqi_1.
10019 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10020 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10021 (*cmphi_0): Use ix86_match_ccmode.
10022 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10023 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10024 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10025 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10026 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10027 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10028 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10029 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10030 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10031 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10032 (appropriate peepholes): Likewise.
10033 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10034 (*subsi_3, *subhi_3, *subqi_3): Remove.
10035 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10036 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10037 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10038 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10039 (x86_shift_adj_1): Use CCZ.
10040 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10042 2000-03-27 Stan Cox <scox@cygnus.com>
10044 * resource.h (mark_resource_type): New.
10045 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10046 find_free_register): Use mark_resource_type.
10047 (mark_set_resources): Change include_delayed_effects
10048 to mark_resource_type.
10049 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10050 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10051 Use mark_resource_type.
10053 2000-03-27 Richard Henderson <rth@cygnus.com>
10055 * i386.md (call_pop_0, call_value_pop_0): New.
10056 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10057 (call_value_pop_1): Likewise.
10058 (call_0, call_value_0): New.
10059 (call_1, call_value_1): Remove constraint from unused arg.
10061 2000-03-27 Nick Clifton <nickc@cygnus.com>
10063 * invoke.texi (Spec Files): Document new spec % command created by
10064 Tom Tromey's recent patch.
10066 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10068 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10071 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10073 * expr.c (expand_assignment): Fix typo in last change.
10075 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10077 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10079 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10080 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10081 and DECL_INLINE if FUNCTION_DECL.
10082 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10083 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10084 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10085 (combine_parm_decls): Likewise.
10086 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10087 * print-tree.c (print_node): Likewise.
10088 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10089 DECL_TRANSPARENT_UNION on proper decl types.
10090 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10091 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10092 DECL_BIT_FIELD of FIELD_DECL.
10093 * tree.h (DECL_RESULT_FLD): New macro.
10095 * expr.c (expand_assignment): Add code to handle variable-sized
10098 2000-03-26 Richard Henderson <rth@cygnus.com>
10100 * calls.c (expand_call): Pass parms not original exp to
10101 optimize_tail_recursion. Mind return value instead of looking
10103 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10104 call_expr. Move checks for call_expr and current_function_decl ...
10105 (expand_return): ... here.
10107 2000-03-26 Tom Tromey <tromey@cygnus.com>
10109 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10110 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10112 (process_command): Use them.
10113 (check_live_switch): Likewise.
10114 (give_switch): Skip ignored switches.
10116 2000-03-26 Jan Hubicka <jh@suse.cz>
10118 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10119 for minimal jump pass test.
10121 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10123 * integrate.c (function_cannot_inline_p): Do inline functions that
10126 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10128 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10129 now a list of TREE_LIST entries, not types.
10130 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10132 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10133 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10135 * config/mips/mips.c (function_arg): Likewise; also remove cast
10136 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10137 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10138 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10139 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10140 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10141 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10142 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10143 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10144 num_adjusts now unsigned.
10145 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10146 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10147 NREGS now unsigned.
10148 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10149 as is BITPOS variable; use host_integerp and int_bit_position.
10150 (function_arg_record_value_2): Likewise.
10151 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10152 Variable REGNO now unsigned.
10153 (function_arg_record_value): NREGS now unsigned.
10155 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10157 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10159 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10161 * Rework fields used to describe positions of bitfields and
10162 modify sizes to be unsigned and use HOST_WIDE_INT.
10163 * alias.c (reg_known_value_size): Now unsigned.
10164 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10165 (really_start_incremental_init): Use bitsize_zero_node.
10166 (push_init_level, pop_init_level, output_init_element): Likewise.
10167 Use bitsize_unit_node and bitsize_one_node.
10168 (output_pending_init_elements, process_init_element): Likewise.
10169 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10170 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10171 HOST_WIDE_INT, respectively.
10172 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10173 (num_sign_bit_copies): Returns unsigned.
10174 BITWIDTH now unsigned; rework arithmetic.
10175 Remove recursive call from arg to MAX.
10176 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10177 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10178 REGNO now unsigned.
10179 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10180 (find_split_point, expand_compound_operation, make_extraction): LEN
10181 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10182 (make_field_assignment): Likewise.
10183 (combine_simplify_rtx): Add cast.
10184 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10185 (force_to_mode): WIDTH now unsigned; add cast.
10186 (if_then_else_cond): SIZE now unsigned.
10187 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10188 (extended_count): Now returns unsigned.
10189 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10190 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10191 (simplify_comparison): MODE_WIDTH now unsigned.
10192 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10193 (mark_used_regs_combine): Likewise; rework arithmetic.
10194 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10195 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10196 (record_promoted_value): REGNO now unsigned.
10197 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10198 (get_last_value): REGNO now unsigned.
10199 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10200 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10201 (remove_death): Arg REGNO now unsigned.
10202 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10203 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10205 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10206 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10207 (struct cse_reg_info): REGNO now unsigned.
10208 (cached_regno): Now unsigned.
10209 (REGNO_QTY_VALID_P): Add cast.
10210 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10211 (remove_invalid_regs): Likewise.
10212 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10213 as are variables END and I.
10214 (get_cse_reg_info, insert): Likewise.
10215 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10216 (canon_hash): Likewise.
10217 (insert_regs, lookup_for_remove): REGNO now unsigned.
10218 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10220 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10221 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10222 * emit-rtl.c (subreg_realpart_p): Add cast.
10223 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10224 (operand_subword_force): Arg I is now unsigned.
10225 * except.c (eh_regs): Variable I is now unsigned.
10226 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10227 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10228 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10229 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10230 (extract_split_bit_field, store_bit_field, extract_bit_field):
10232 * expr.c (store_constructor_fields, store_constructor, store_field):
10233 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10234 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10235 (do_jump): Likewise.
10236 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10237 MAX_SIZE is now unsigned.
10238 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10239 (emit_group_store): Likewise.
10240 (emit_move_insn): I now unsigned.
10241 (store_constructor): Use host_integerp, tree_low_cst, and
10243 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10244 Rework all calculations to use trees and new fields.
10245 * expr.h (promoted_input_arg): Regno now unsigned.
10246 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10247 (mark_seen_cases): Arg is HOST_WIDE_INT.
10248 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10249 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10250 precisions and alignments are unsigned.
10251 (optimize_bit_field_compare, fold_truthop): Likewise.
10252 (int_const_binop): Adjust threshold for size_int_type_wide call.
10253 (fold_convert): Likewise.
10254 (size_int_type_wide): Make table larger and fix thinko that only
10255 had half of table used.
10256 (all_ones_mask_p, fold): Precisions are unsigned.
10257 * function.c (put_reg_info_stack): REGNO is unsigned.
10258 (instantiate_decl): Size is HOST_WIDE_INT.
10259 (instantiate_virtual_regs): I is unsigned.
10260 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10261 (promoted_input_arg): REGNO is unsigned.
10262 * function.h (struct function): x_max_parm_reg is now unsigned.
10263 * gcse.c (max_gcse_regno): Now unsigned.
10264 (struct null_pointer_info): min_reg and max_reg now unsigned.
10265 (lookup_set, next_set): REGNO arg now unsigned.
10266 (compute_hash_table): REGNO and I now unsigned.
10267 (handle_avail_expr): regnum_for_replacing now unsigned.
10268 (cprop_insn): REGNO now unsigned.
10269 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10270 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10271 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10272 * hard-reg-set.h (reg_class_size): Now unsigned.
10273 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10274 * jump.c (mark_modified_reg): I now unsigned; add cast.
10275 (rtx_equal_for_thread_p): Add cast.
10276 * loop.c (max_reg_before_loop): Now unsigned.
10277 (struct_movable): REGNO now unsigned.
10278 (try_copy_prop): REGNO arg unsigned.
10279 (regs_match_p): XN and YN now unsigned.
10280 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10281 (strength_reduce): Likewise; NREGS also unsigned.
10282 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10283 * loop.h (struct iv_class): REGNO now unsigned.
10284 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10286 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10287 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10288 * optabs.c (expand_binop): I and NWORDS now unsigned.
10289 (expand_unop): I now unsigned.
10290 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10291 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10292 * real.c (significand_size): Now returns unsigned.
10293 * real.h (significand_size): Likewise.
10294 * regclass.c (reg_class_size): Now unsigned.
10295 (choose_hard_reg_mode): Both operands now unsigned.
10296 (record_reg_classes): REGNO and NR now unsigned.
10297 (reg_scan): NREGS now unsigned.
10298 (reg_scan_update): old_max_regno now unsigned.
10299 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10300 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10301 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10302 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10303 Likewise for variable R.
10304 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10305 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10306 (find_equiv_reg): Add casts.
10307 (regno_clobbered_p): Arg REGNO now unsigned.
10308 * reload.h (struct reload): NREGS now unsigned.
10309 (refers_to_regno_for_reload_p): Regno args are unsigned.
10310 (regno_clobbered_p): Likewise.
10311 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10312 (compute_use_by_pseudos): REGNO now unsigned.
10313 (find_reg): I and J now unsigned, new variable K, and change loop
10314 variables accordingly; THIS_NREGS now unsigned.
10315 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10316 (spill_hard_reg): REGNO arg now unsigned; add casts.
10317 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10318 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10319 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10320 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10321 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10322 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10323 (emit_reload_insns): REGNO now unsigned.
10324 (reload_cse_move2add): Add cast.
10325 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10327 * resource.c (mark_referenced_resources, mark_set_resources): New
10328 variable R; REGNO and LAST_REGNO now unsigned.
10329 (mark_target_live_regs): J and REGNO now unsigned.
10330 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10331 * rtl.h (union rtunion_def): New field rtuint.
10332 (XCUINT): New macro.
10333 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10334 (operand_subword, operand_subword_force): Word number is unsigned.
10335 (choose_hard_reg_mode): Operands are unsigned.
10336 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10337 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10338 (regno_use_in, combine_instructions, remove_death): Likewise.
10339 (reg_scan, reg_scan_update): Likewise.
10340 (extended_count): Return is unsigned.
10341 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10342 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10343 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10344 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10345 (reg_reg_last_1): FIRS and LAST now unsigned.
10346 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10347 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10349 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10350 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10351 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10352 (replace_regs): Arg NREGS now unsigned.
10353 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10354 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10355 (simplify_binary_operation): Likewise.
10356 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10357 THIS_LAST now unsigned.
10358 (cselib_record_set): Add cast.
10359 * ssa.c (ssa_max_reg_num): Now unsigned.
10360 (rename_block): REGNO now unsigned.
10361 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10362 sizes now unsigned.
10363 (all_cases_count): Just return -1 not -2.
10364 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10365 Rework tests to use trees whenever possible.
10366 Use host_integerp and tree_low_cst.
10367 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10368 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10369 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10370 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10371 (smallest_mode_for_size): Likewise.
10372 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10373 KNOWN_ALIGN is now an alignment, so simplify code.
10374 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10375 (start_record_layout): Renamed from new_record_layout_info.
10376 Update to new fields.
10377 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10379 (place_union_field): Renamed from layout_union_field.
10380 Update to use new fields in rli.
10381 (place_field): Renamed from layout_field.
10382 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10383 (finalize_record_size): Rework to use new fields in rli and handle
10385 (compute_record_mode): Rework to simplify and to use new DECL fields.
10386 (finalize_type_size): Make rounding more consistent.
10387 (finish_union_layout): Deleted.
10388 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10389 (layout_type, case RECORD_TYPE): Call new function names.
10390 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10391 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10392 (get_best_mode): UNIT is now unsigned; remove casts.
10393 * tree.c (bit_position): Compute from new fields.
10394 (byte_position, int_byte_position): New functions.
10395 (print_type_hash_statistics): Cast to remove warning.
10396 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10397 (build_index_type): Likewise; make subtype of sizetype.
10398 (build_index_2_type): Pass sizetype to build_range_type.
10399 (build_common_tree_nodes): Use size_int and bitsize_int to
10400 initialize nodes; add bitsize_{zero,one,unit}_node.
10401 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10402 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10403 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10404 (DECL_FIELD_BITPOS): Deleted.
10405 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10406 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10407 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10408 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10409 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10410 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10411 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10412 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10413 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10414 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10415 (DECL_ALIGN): Adjust to new field in union.
10416 (DECL_OFFSET_ALIGN): New field.
10417 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10418 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10419 (union tree_decl): Add struct for both aligns.
10420 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10421 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10422 (struct record_layout_info): Rework fields to have offset
10423 alignment and byte and bit position.
10424 (start_record_layout, place_field): Renamed from old names.
10425 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10426 (byte_position, int_byte_position): Likewise.
10427 (get_inner_reference): Change types of position and length.
10428 * unroll.c (unroll_loop): New variable R; use for some loops.
10429 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10430 (calculate_giv_inc): Arg REGNO now unsigned.
10431 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10432 * varasm.c (assemble_variable): Clean up handling of size using
10433 host_integerp and tree_low_cst.
10434 (decode_addr_const): Use byte, not bit, position.
10435 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10436 use tree_low_cst and int_bit_position.
10437 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10439 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10441 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10442 (reorder_block_def): New members eff_head and eff_end.
10443 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10444 (verify_insn_chain): New function.
10445 (skip_insns_between_block): Add code to skip deleted insns.
10446 Check for note before using.
10447 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10448 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10449 Check for note before using.
10450 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10451 (fixup_reorder_chain): Restructure, clean up, defect removal.
10452 (reorder_basic_blocks): Remove last_insn and references to it.
10453 Moved insn chain verification code into a new function (see above).
10454 Delete defective code that sets last insn.
10455 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10458 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10460 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10462 2000-03-24 Richard Henderson <rth@cygnus.com>
10464 * tree.c (lang_safe_for_unsave): Remove.
10465 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10466 allowing for two levels of unsafeness. Remove lang hook.
10467 * tree.h: Update declarations.
10468 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10469 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10470 Always fail sibcalls when there are pending cleanups.
10472 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10474 * flow.c (propagate_block): When we delete an ADDR_VEC,
10475 also delete the BARRIER following it if there is one.
10477 2000-03-24 Richard Henderson <rth@cygnus.com>
10479 * builtins.c (expand_builtin_bzero): Convert `length' argument
10482 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10484 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10485 comparison if regno's are equal.
10486 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10487 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10488 (expand_call): Update caller.
10489 Avoid making a sibling call if argument size of the callee is larger
10490 than argument size of the caller.
10491 Call hard_function_value with outgoing set if in sibcall pass.
10492 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10494 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10495 Change LEAF_REGISTERS from an array initializer to actual array
10496 identifier. Move static global variable into the function.
10497 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10498 sequences for leaf functions.
10499 * global.c (global_alloc): Likewise.
10500 * tm.texi (LEAF_REGISTERS): Update documentation.
10502 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10503 TARGET_FLAT leaf disabling hack.
10504 (LEAF_REGISTERS): Changed from an array initializer to actual array
10505 identifier to avoid duplication and remove the above hack.
10506 (FUNCTION_OK_FOR_SIBCALL): Define.
10507 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10508 always like call attribute.
10509 (eligible_for_sibcall_delay): New attribute.
10510 (sibcall): New delay type.
10511 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10512 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10513 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10514 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10515 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10517 (output_function_epilogue): Move part of the code into
10518 output_restore_regs.
10519 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10521 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10524 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10525 until infrastructure is finished.
10527 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10529 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10530 (save_parm_insns): Not here.
10532 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10534 * builtins.c (expand_builtin_bzero): New function.
10535 (expand_builtin): Handle bzero.
10537 * builtins.def: Add BUILT_IN_BZERO.
10539 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10540 prototype & function for bzero.
10542 2000-03-23 Michael Meissner <meissner@redhat.com>
10544 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10545 change adding TARGET_FP to the TF floating point insns, except for
10546 trunctfsf2, which generates direct calls to truncdfsf2.
10548 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10550 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10551 try to protect against middle-end changes that break binary
10553 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10555 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10557 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10559 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10561 * calls.c (expand_call): If TARGET is passed by reference and
10562 is readonly, write a CLOBBER.
10564 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10566 * builtins.c (expand_builtin): Handle bcmp.
10568 * builtins.def: Add BUILT_IN_BCMP.
10570 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10571 prototype & function for bcmp.
10573 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10575 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10576 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10577 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10579 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10581 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10582 alternative when using -fp64 -gp32.
10584 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10586 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10587 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10588 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10590 * frame.h (frame_state): Revert last change.
10591 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10592 * libgcc2.c (throw_helper): Revert last change.
10594 2000-03-22 Richard Henderson <rth@cygnus.com>
10596 * stmt.c (expand_asm_operands): Don't promote the temporary.
10598 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10600 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10601 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10602 c_get_alias_set): Likewise.
10603 * c-decl.c (duplicate_decls): Likewise.
10604 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10605 * calls.c (initialize_argument_information): Likewise.
10606 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10608 * dwarfout.c (decl_class_context,output_type): Likewise.
10609 * expr.c (get_inner_reference): Likewise.
10610 * fold-const.c (simple_operand_p,fold): Likewise.
10611 * function.c (aggregate_value_p): Likewise.
10612 * stmt.c (expand_asm_operands): Likewise.
10613 * varasm.c (named_section): Likewise.
10615 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10617 Implement dwarf2 exception handling for the ARM.
10618 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10619 (DWARF_FRAME_RETURN_COLUMN): Define.
10620 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10621 REG_FRAME_RELATED_EXPR note.
10622 (emit_sfm): Likewise.
10623 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10624 * dwarf2out.c (reg_save): Handle saving a register to itself.
10625 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10626 * except.c (eh_regs): Don't use the static chain reg if it's
10628 * frame.h (frame_state): Add cfa_saved field.
10629 * frame.c (execute_cfa_insn): Set it.
10630 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10632 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10634 (instantiate_virtual_regs): Adjust.
10636 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10637 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10638 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10640 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10641 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10643 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10645 * builtins.def: New file.
10647 * Makefile.in (TREE_H): Depend on builtins.def.
10649 * builtins.c (built_in_names): Use builtins.def.
10651 * tree.h (built_in_function): Likewise.
10653 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10655 * tree.c (size_in_bytes): Return size_zero_node, not
10658 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10660 * config/fp-bit.c (pack_d): Correct the case when a denormal
10661 is rounded up and stops being denormal.
10663 2000-03-21 Richard Henderson <rth@cygnus.com>
10665 * config/alpha/alpha.c (function_arg): Check for void_type_node
10666 before using MUST_PASS_IN_STACK.
10668 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10670 * regmove.c (combine_stack_adjustments_for_block): Check that
10671 the stack pointer is a valid memory address.
10673 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10675 * calls.c: re-install Mar 16 emit_library_call merge.
10677 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10679 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10680 we cannot be sure that if reload_completed base register will
10681 be properly aligned.
10683 2000-03-21 Richard Henderson <rth@cygnus.com>
10685 * flow.c (delete_block): Fix typo last change.
10687 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10689 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10690 not COMPLETE_TYPE_P, to check the type of the expression.
10692 2000-03-21 Michael Meissner <meissner@redhat.com>
10694 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10695 all floating point insns that just tested the macro
10696 TARGET_HAS_XFLOATING_LIBS.
10697 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10698 used to only use the gprs.
10700 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10702 * tree.h (COMPLETE_TYPE_P): New macro.
10703 (COMPLETE_OR_VOID_TYPE_P): New macro.
10704 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10705 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10706 * c-aux-info.c (gen_type): Use them.
10707 * c-common.c (c_expand_expr_stmt): Likewise.
10708 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10709 grokdeclarator, grokparms, finish_struct, start_function,
10710 store_parm_decls, combine_parm_decls): Likewise.
10711 * c-parse.y (cast_expr): Likewise.
10712 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10713 c_size_in_bytes, c_alignof, build_component_ref,
10714 build_indirect_ref, build_array_ref, convert_arguments,
10715 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10716 * calls.c (initialize_argument_information): Likewise.
10717 * convert.c (convert_to_integer): Likewise.
10718 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10719 * dwarfout.c (location_or_const_value_attribute,
10720 output_enumeration_type_die, output_structure_type_die,
10721 output_union_type_die, output_type): Likewise.
10722 * expr.c (safe_from_p, expand_expr): Likewise.
10723 * function.c (assign_parms): Likewise.
10724 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10725 * tree.c (build_array_type, build_function_type,
10726 build_method_type, build_offset_type, build_complex_type): Likewise.
10727 * c-parse.c, c-parse.h: Regenerated.
10729 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10731 * config/c4x/rtems.h: Include config/rtems.h.
10733 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10735 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10736 decl is a FUNCTION_DECL
10738 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10740 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10741 function uses output registers. Don't save RP for leaf functions.
10742 Do save RP even if no epilogue.
10743 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10744 (CALL_USED_REGISTERS): Unmark in registers.
10745 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10746 to near the middle.
10748 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10750 * config/rs6000/rs6000.md (bunordered): New expander.
10751 (bordered): New expander.
10752 (buneq): New expander.
10753 (bunge): New expander.
10754 (bungt): New expander.
10755 (bunle): New expander.
10756 (bunlt): New expander.
10757 (bltgt): New expander.
10759 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10760 (ccr_bit_negated_p): New function.
10761 (print_operand): For %C, generate appropriate cror for UNEQ,
10762 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10764 2000-03-20 Andreas Jaeger <aj@suse.de>
10766 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10769 * tree.h (safe_for_unsave): Prototype.
10771 2000-03-20 Richard Henderson <rth@cygnus.com>
10773 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10774 (combine_stack_adjustments_for_block): Don't allow sp references
10775 in the side of a set we're not fixing up.
10776 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10777 after life_analysis.
10779 2000-03-20 Richard Henderson <rth@cygnus.com>
10781 * calls.c (expand_call): Don't bother generating tail call
10782 sequences if there are pending cleanups. Use
10783 expand_start_target_temps/expand_end_target_temps to elide
10784 cleanups created during sibcall expansion.
10786 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10788 * configure.in: Set $IFS to a value if it doesn't already have one
10789 in the --enable-checking handling.
10790 * configure: Regenerate.
10792 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10794 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10795 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10798 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10800 * jump.c (delete_noop_moves): Remove code attempting to
10801 combine stack adjustments.
10803 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10805 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10806 * except.c (emit_cleanup_handler): Use them.
10807 (expand_end_all_catch): Likewise.
10808 * function.c (fixup_var_refs): Likewise.
10809 (expand_function_end): Clear catch_clauses_last.
10810 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10811 * except.h (struct eh_status): New field x_catch_clauses_last.
10812 (catch_clauses_last): New define.
10814 * Makefile.in (tree.o): Depend on HASHTAB_H.
10815 * tree.c: Include hashtab.h.
10816 (struct type_hash): Remove next field.
10817 (TYPE_HASH_SIZE): Remove.
10818 (TYPE_HASH_INITIAL_SIZE): New define.
10819 (type_hash_table): Change type to htab_t.
10820 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10821 mark_hash_entry): New functions.
10822 (init_obstacks): Allocate type hash.
10823 (type_hash_lookup): Use htab functions.
10824 (type_hash_add, mark_type_hash): Likewise.
10825 (dump_tree_statistics): Call print_type_hash_statistics.
10827 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10829 * rs6000/t-aix41: New file.
10831 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10833 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10835 * tm.texi (Driver): Fix typos and tweak entry for
10837 Move misplaced STRUCT_FORCE_BLK entry ...
10838 (Storage Layout): ... to here.
10839 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
10841 2000-03-19 Richard Henderson <rth@cygnus.com>
10843 * flow.c (delete_block): Delete the addr_vec along with the block.
10844 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
10847 * fold-const.c (extract_muldiv): Apply type check for defined
10848 overflow to multiply as well as divide.
10850 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
10852 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10854 * emit-rtl.c (remove_unncessary_notes): Check that all
10855 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
10856 associated NOTE_BLOCK.
10857 * function.h (identify_blocks): Update comments.
10858 (reorder_blocks): Declare.
10859 * function.c (identify_blocks): Don't take paramters.
10860 (reorder_blocks): Don't take parameters.
10861 * loop.h (find_loop_tree_blocks): Remove.
10862 (unroll_block_trees): Likewise.
10863 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
10864 reorder_blocks instead of unroll_block_trees.h
10865 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
10866 * stmt.c (find_loop_tree_blocks): Remove.
10867 (unroll_block_trees): Likewise.
10868 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
10869 in whole-function mode.
10870 * tree.h (reorder_blocks): Remove declaration.
10872 * expr.c: Include intl.h.
10873 * Makefile.in (expr.o): Depend on intl.h.
10875 2000-03-18 Richard Henderson <rth@cygnus.com>
10877 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
10879 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10881 * tree.h (tree_index): Remove enumerals for integer types.
10882 (integer_type_kind): New type.
10883 (integer_types): New variable.
10884 (char_type_node): Adjust.
10885 (signed_char_type_node): Likewise.
10886 (unsigned_char_type_node): Likewise.
10887 (short_integer_type_node): Likewise.
10888 (short_unsigned_type_node): Likewise.
10889 (integer_type_node): Likewise.
10890 (unsigned_type_node): Likewise.
10891 (long_integer_type_node): Likewise.
10892 (long_unsigned_type_node): Likewise.
10893 (long_long_integer_type_node): Likewise.
10894 (long_long_unsigned_type_node): Likewise.
10895 * tree.c (integer_types): New variable.
10896 (init_obstacks): Register it as a root.
10898 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
10900 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
10901 NEXT_INSN. Update last insn in chain.
10903 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
10905 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
10906 with TYPE_DECL_SUPPRESS_DEBUG set.
10908 2000-03-18 Richard Henderson <rth@cygnus.com>
10910 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
10912 2000-03-18 Richard Henderson <rth@cygnus.com>
10914 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
10915 care for HALF_PIC_P.
10916 (expander_call_insn_operand): Remove.
10917 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
10918 * i386.h (PREDICATE_CODES): Update.
10919 * i386.md (all call expanders): Remove predicates, remove special
10920 handling for half-pic.
10921 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
10922 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
10923 (sibcall_epilogue): New.
10925 2000-03-17 Richard Henderson <rth@cygnus.com>
10927 * rtlanal.c (single_set): Reject if the parallel has anything
10928 except SET or USE or CLOBBER.
10930 2000-03-17 Jeff Law <law@cygnus.com>
10931 Richard Henderson <rth@cygnus.com>
10933 * Makefile.in (OBJS): Add sibcall.o.
10935 * sibcall.c: New file.
10936 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
10937 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
10938 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
10939 Emit sibcall patterns when requested. Update all callers.
10940 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
10941 elimination seems feasable.
10942 * final.c (leaf_function_p): Sibling calls don't discount being
10944 * flow.c (HAVE_sibcall_epilogue): Provide default.
10945 (find_basic_blocks_1): Sibling calls don't throw.
10946 (make_edges): Make edge from sibling call to EXIT.
10947 (propagate_block): Don't remove sibcall_epilogue insns.
10948 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
10949 (sibcall_epilogue): New.
10950 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
10951 (identify_blocks_1): Likewise. Break out from ...
10952 (identify_blocks): ... here.
10953 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
10954 (reorder_blocks): ... here.
10955 (init_function_for_compilation): Zap prologue/epilogue as varrays.
10956 (record_insns): Extend a varray instead of mallocing new memory.
10957 (contains): Read a varray not array of ints.
10958 (sibcall_epilogue_contains): New.
10959 (thread_prologue_and_epilogue_insns): Emit and record
10960 sibcall_epilogue patterns.
10961 (init_function_once): Allocate prologue/epilogue varrays.
10962 * genflags.c (gen_insn): Treat sibcall patterns as calls.
10963 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
10964 Broken out from ...
10965 (save_for_inline_nocopy): ... here.
10966 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
10967 Broken out from ...
10968 (expand_inline_function): ... here.
10969 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
10970 (subst_constants): Handle 'n' formats.
10971 * jump.c (jump_optimize_minimal): New.
10972 (jump_optimize_1): New arg `minimal'; update callers. Elide most
10973 optimizations if it's set.
10974 * rtl.c (copy_rtx): Do copy jump & call for insns.
10975 * rtl.h (struct rtx_def): Document use of jump and call for insns.
10976 (SIBLING_CALL_P): New.
10977 (sibcall_use_t): New.
10978 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
10979 Invoke optimize_sibling_and_tail_recursive_calls.
10980 * tree.c (lang_safe_for_unsave): New.
10981 (safe_for_unsave): New.
10982 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
10984 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
10985 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
10986 (*sibcall_osf_1, *sibcall_value_osf_1): New.
10988 2000-03-17 Mark Mitchell <mark@codesourcery.com>
10990 * objc/objc-act.c (encode_method_prototype): Pass types, not
10991 PARM_DECLs, to int_size_in_bytes.
10993 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
10995 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
10997 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10998 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11000 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11002 * Clean up usages of TREE_INT_CST_LOW.
11003 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11004 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11006 * c-tree.h (min_precision): Move declaration to here.
11007 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11008 (build_unary_op, add_pending_init): Use bit_position.
11009 (pending_init_member, process_init_element): Likewise.
11010 (really_start_incremental_init, push_init_level, pop_init_level):
11011 Don't make copies of nodes or modify them in place, use consistent
11012 types when tracking positions, and use tree routines computations.
11013 (set_init_index, output_init_element): Likewise.
11014 (output_pending_init_elements, process_init_element): Likewise.
11015 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11016 tree_low_cst and int_bit_position; also minor cleanup.
11017 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11018 (print_cst_octal): Precision is unsigned.
11019 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11020 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11021 (simple_type_align_in_bits): Result is unsigned int.
11022 Use tree_int_low_cst and host_integerp.
11023 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11024 (field_byte_offset): Result is HOST_WIDE_INT.
11025 Change types of internal variables so alignments are unsigned int,
11026 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11027 Use host_integerp, tree_low_cst, and int_bit_position.
11028 (add_bit_offset_attribute): Likewise.
11029 (add_data_member_location_attribute): Use tree_cst_low.
11030 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11031 (add_bit_size_attribute): Use tree_low_cst.
11032 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11033 * dwarfout.c: Similar changes to dwarf2out.c.
11034 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11035 * genoutput.c (n_occurences): Return -1 for null string.
11036 (strip_whitespace): Accept null string and make into function.
11037 (scan_operands): Reflect above changes.
11038 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11039 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11040 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11041 * tree.c (int_size_in_bytes): Check for too big to represent.
11042 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11043 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11045 (min_precision): Delete from here.
11046 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11047 and int_bit_position.
11048 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11049 (encode_method_def): Likewise.
11050 (build_ivar_list_initializer): Use int_bit_position.
11051 (generate_shared_structures): Convert size.
11052 (encode_type, encode_complete_bitfield): Use integer_zerop.
11053 (encode_bitfield): Use tree_low_cst and int_bit_position.
11055 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11057 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11059 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11061 * call.c (special_function_p): It is only malloc if it returns
11064 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11066 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11067 (C33_FLAG, TARGET_C3X): Add macros.
11068 (TARGET_SWITCHES): Add -m33 option.
11069 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11071 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11073 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11074 (PARALLEL_PACK_FLAG): Delete.
11075 (TARGET_SWITCHES): Update.
11076 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11078 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11080 * fold-const.c (fold): Fix a few cases when the returned result
11081 is not of the same type as the input.
11083 2000-03-16 Nick Clifton <nickc@cygnus.com>
11085 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11088 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11090 * libgcc2.h: Move prototypes above macros with the same name.
11091 Wrap some function prototypes in the conditional which indicates
11092 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11094 2000-03-16 Richard Henderson <rth@cygnus.com>
11096 * calls.c: Revert last two changes.
11098 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11100 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11101 has exponent 0 is a zero.
11103 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11104 HASH may already be nonzero. Add code/mode into hash value
11105 immediately after repeat label.
11106 (cselib_lookup): Don't leave the hash table in an inconsistent
11107 state before a hash lookup operation.
11109 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11111 * i386.md (all HI and QI mode non-move patterns): Conditionize
11112 by TARGET_[HQ]IMODE_MATH.
11113 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11114 x86_promote_qi_regs): Declare.
11115 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11116 TARGET_PROMOTE_QI_REGS): New macros.
11117 (PROMOTE_MODE): New macro.
11118 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11119 x86_promote_qi_regs): New global variables.
11121 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11123 * calls.c (emit_library_call_value_1): Break out from ...; handle
11124 VOIDmode function calls too.
11125 (emit_library_call_value): ... here.
11126 (emit_library_call): Implement by calling emit_library_call_value_1.
11128 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11130 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11131 Update arg_space_so_far on stack adjustments.
11132 (emit_library_call, emit_library_call_value): Likewise; take into
11133 account arg_space_so_far and pending_stack_adjust when calculcating
11136 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11138 * flow.c: Move all basic block reordering code into its own file.
11139 (create_basic_block): Externalize.
11140 * bb-reorder.c: New file. Copy all basic block reordering code from
11141 flow.c to this file.
11142 (reorder_basic_blocks): Fix fencepost error in for-loop.
11143 (reorder_basic_blocks): Remove braces from single statement for-loops.
11144 * basic-block.h: Add declaration for create_basic_block.
11145 * Makefile.in: Add rules for bb-reorder.o.
11147 2000-03-16 Neil Booth <NeilB@earthling.net>
11149 * cppinit.c (handle_option): Implement #unassert directive
11150 as -A- command line option.
11151 (print_help): Update.
11152 * cpptexi.c: Update.
11154 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11156 * md.texi (Standard Names): Document `jump'.
11158 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11160 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11163 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11165 Merge changes from newppc-branch onto trunk.
11167 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11169 * rs6000.c (toc_hash_table): Update for new hash table functions.
11170 (toc_hash_function): Likewise.
11171 (toc_hash_eq): Likewise.
11172 (toc_hash_mark_entry): Likewise.
11173 (toc_hash_mark_table): Likewise.
11174 (output_toc): Likewise.
11175 (rs6000_add_gc_roots): Likewise.
11177 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11179 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11180 (AR_FLAGS_FOR_TARGET): here. New macro.
11182 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11184 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11185 fpmem_operand) Delete.
11187 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11188 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11189 (rs6000_save_machine_status, rs6000_restore_machine_status,
11190 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11191 references to above variables.
11192 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11193 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11194 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11195 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11196 (XER_REGNO_P, XER_REGNO): New.
11197 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11198 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11199 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11201 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11202 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11203 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11205 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11207 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11208 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11209 * rs6000.h: from here.
11211 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11212 (rs6000_select_rtx_section): Likewise.
11213 (rs6000_encode_section_info): Likewise.
11214 (sdata_section): Likewise.
11215 (sdata2_section): Likewise.
11216 (sbss_section): Likewise.
11217 * sysv4.h (rs6000_select_section): Delete prototype.
11218 (rs6000_select_rtx_section): Likewise.
11219 (rs6000_encode_section_info): Likewise.
11220 (sdata_section): Likewise.
11221 (sdata2_section): Likewise.
11222 (sbss_section): Likewise.
11223 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11225 * sysv4.h: Delete various unnecessary #undef's and put a comment
11226 on the remaining ones.
11227 Change various comments according to coding standard.
11229 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11231 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11232 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11233 (CR0_REGNO_P) Remove.
11234 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11235 setup_incoming_varargs, mtcrf_operation, print_operand,
11236 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11237 Use the above macros.
11239 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11241 * config/rs6000/rs6000.md: Added a new alternative for each
11242 pattern that had a 'x' alternative but no 'y' alternative.
11243 Added a new split for each of the above patterns.
11245 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11247 * aix41.h (ASM_CPU_SPEC): Delete.
11248 (CPP_CPU_SPEC): Delete.
11250 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11251 (ASM_OUTPUT_LABEL): Define.
11252 (ASM_GLOBALIZE_LABEL): Define.
11253 (STRIP_NAME_ENCODING): Define.
11254 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11255 (STRIP_NAME_ENCODING): Don't define.
11256 (ASM_OUTPUT_LABEL): Don't define.
11257 (ASM_GLOBALIZE_LABEL): Don't define.
11258 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11259 names, and ASM_OUTPUT_LABEL to output labels, rather than
11261 (ASM_OUTPUT_LABEL): Define.
11262 (ASM_OUTPUT_INT): Use assemble_name.
11263 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11264 (STRIP_NAME_ENCODING): Don't undefine first.
11265 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11267 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11268 specified with 'asm' even with -fleading-underscore.
11269 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11270 (output_epilog): Likewise.
11271 (output_toc): Likewise.
11272 * tramp.asm: Handle -fleading-underscore correctly.
11274 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11276 (nonlocal_goto_receiver): Delete.
11277 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11279 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11280 (SET_ASM_OP): Define.
11281 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11283 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11284 (ASM_LONG): Define.
11286 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11287 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11289 * rs6000.h: Add 'u' to more constants.
11291 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11293 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11295 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11297 * rs6000.c (reg_or_u_cint_operand): New function.
11298 (logical_operand): Handle 64-bit hosts.
11299 (logical_u_operand): New function.
11300 (non_logical_cint_operand): Handle 64-bit hosts.
11301 (non_logical_u_cint_operand): New function.
11302 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11303 (PREDICATE_CODES): Define new functions.
11304 * rs6000-protos.h: Declare new functions.
11305 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11306 (movdi_64): Bracket code intended for 64-bit hosts. Create
11307 CONST_DOUBLE for 32-bit values.
11308 (scc insns): Generate DImode compares.
11309 (mfcr insns): Create DImode versions.
11310 (sge matchers): New patterns.
11312 2000-02-15 Gabriel Paubert <paubert@iram.es>
11314 * rs6000.md: Correct instructions length attributes and
11315 constraints on unsigned compare instructions.
11316 (*ne0): Disable for PowerPC64.
11318 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11320 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11321 quantity, fix profile1.C test failure under -fPIC.
11323 * rs6000.c: Add 'u' to many constants to suppress warnings.
11324 (constant_pool_expr_1): Make static.
11325 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11326 * rs6000.h: Add 'u' to many constants to suppress warnings.
11328 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11329 for the start of the TOC, instead of LCTOC..0.
11330 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11332 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11333 (load_toc_aix_di): Use LCTOC..1.
11335 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11336 * rs6000.c (rs6000_legitimize_address): New function from
11337 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11338 symbols in the constant pool that really are TOC references.
11339 (print_operand_address): For ELF, write TOC offsets under
11340 -fPIC as subtractions in the insn.
11341 (output_toc): For ELF, define symbols in TOC as normal labels,
11343 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11344 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11345 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11346 * rs6000.md (movsi): Only use create_TOC_reference on
11347 symbols in the constant pool that really are TOC references.
11349 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11350 * rs6000.c (rs6000_reorg): Delete.
11351 * rs6000-protos.h (rs6000_reorg): Delete.
11353 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11355 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11357 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11358 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11359 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11360 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11361 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11362 rs6000_aix_emit_builtin_unwind_init.
11363 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11364 rs6000_emit_eh_toc_restore on AIX.
11365 (return_eh_si): Use r2.
11366 (return_eh_di): Use r2.
11368 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11369 since we're breaking binary compatibility anyway.
11371 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11373 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11374 constant_pool_expr_p): Declare them.
11375 (constant_pool_expr_p): Declare it.
11376 * config/rs6000/rs6000.c (toc_label_name): Define.
11377 (rs6000_override_options): Set toc_label_name.
11378 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11379 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11380 uses_TOC): New functions.
11381 (print_operand): Delete old '*' case.
11382 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11383 and strip off rtl for TOC before calling output_addr_const.
11384 (rs6000_emit_load_toc_table): Use toc_label_name.
11385 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11387 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11388 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11389 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11390 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11391 into explicit TOC_REGISTER offsets.
11392 (TOC_REGISTER): New macro.
11393 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11394 TARGET_TOC to reference TOC_REGISTER.
11395 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11396 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11397 uses_TOC before emitting label references.
11399 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11401 * rs6000.md (stack_tie): Fix warning.
11403 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11404 to handle -fleading-underscore.
11405 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11406 (USER_LABEL_PREFIX): New macro.
11407 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11408 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11409 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11410 call-linux can use the same multilibs.
11411 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11412 and call-linux multilibs. Do multilib with -fleading-underscore.
11413 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11414 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11417 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11418 have MASK_SOFT_FLOAT set.
11419 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11420 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11421 CPP_FLOAT_DEFAULT_SPEC.
11423 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11424 * rs6000.md: Whitespace change.
11425 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11426 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11428 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11430 * rs6000.md (eh_epilogue): New expander.
11431 (eh_reg_restore): New expand/split/insn combination.
11432 (return_eh_si): New insn.
11433 (return_eh_di): New insn.
11435 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11436 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11437 * eabi-ctors.c (__do_global_ctors): Register this object's
11438 frame. Clean up. Call atexit() after the constructors.
11439 (__do_global_dtors): Deregister this object's frame. Clean up.
11440 Allow for recursive calls to exit().
11441 * rs6000.c (fixuplabelno): New variable.
11442 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11443 TARGET_RELOCATABLE, it slows down exec() under linux.
11444 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11446 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11447 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11448 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11449 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11450 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11451 (ASM_OUTPUT_DWARF_ADDR): New macro.
11452 (ASM_OUTPUT_DWARF_DATA4): New macro.
11453 (ASM_OUTPUT_DWARF_DATA2): New macro.
11454 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11455 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11456 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11458 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11460 * rs6000.c (rs6000_sr_alias_set): New variable.
11461 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11462 (rs6000_emit_stack_tie): New function.
11463 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11464 in a way that dwarf2out can understand.
11465 (rs6000_frame_related): New function.
11466 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11467 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11468 Use rs6000_emit_stack_tie when needed.
11469 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11470 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11471 * rs6000.md (stack_tie): New insn.
11472 (return_internal_si): Allow return value to be in the count
11474 (return_internal_di): Likewise.
11476 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11478 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11480 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11482 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11484 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11486 * rs6000.md (stmw): Use the right POWER opcode.
11489 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11491 * rs6000-protos.h: New file.
11493 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11495 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11498 * sysv4.h: Likewise.
11500 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11502 * ../../configure.in: Delete powerpcle-*-winnt*
11503 and powerpcle-*-pe|powerpcle-*-cygwin*.
11504 * ../../configure: Regenerated.
11505 * cygwin.h: Delete.
11506 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11507 (TARGET_WINDOWS_NT): Delete.
11509 (CALL_NT_DLLIMPORT): Delete.
11510 Delete NT-specific code.
11511 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11512 * win-nt.h: Delete.
11514 * nt-ci.asm: Delete.
11515 * nt-cn.asm: Delete.
11516 * ntstack.asm: Delete.
11518 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11520 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11521 (ASM_FILE_START): Likewise.
11522 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11523 (ASM_OUTPUT_LABELREF): Likewise.
11524 (ASM_OUTPUT_SKIP): Likewise.
11525 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11526 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11527 (ASM_OUTPUT_CASE_LABEL): Likewise.
11528 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11529 (ASM_OUTPUT_ASCII): Likewise.
11531 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11533 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11534 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11535 increment rs6000_pic_labelno here.
11536 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11537 and increment rs6000_pic_labelno here.
11539 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11541 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11542 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11543 allocation knows (reg) is dead before the insn.
11545 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11547 * rs6000.md (movsi_to_cr): Correct typo in output template.
11549 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11551 * rs6000.c (rs6000_pic_labelno): Always define.
11552 (rs6000_pic_func_labelno): Delete.
11553 (lmw_operation): Check for a zero base register,
11554 which doesn't mean what we want.
11555 (stmw_operation): New function.
11556 (print_operand): Define new 'l' modifier.
11557 (rs6000_stack_info): We must save all 64 bits of the registers
11558 if TARGET_POWERPC64.
11559 (rs6000_output_load_toc_table): Delete.
11560 (rs6000_emit_load_toc_table): New function.
11561 (rs6000_allocate_stack_space): Delete.
11562 (rs6000_emit_allocate_stack): New function.
11563 (rs6000_emit_prologue): New function.
11564 (output_prolog): Use rs6000_emit_prologue.
11565 (rs6000_emit_epilogue): Change a few variable names to be
11566 more accurate. Restore all 64 bits of the registers if
11567 TARGET_POWERPC64. Only restore the FP registers which were used
11568 if they are being saved/restored one-at-a-time.
11569 (output_mi_thunk): Delete inefficient code generation.
11570 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11571 * rs6000.h: Declare rs6000_emit_load_toc_table,
11572 rs6000_allocate_stack_space, stmw_operation. Don't declare
11573 rs6000_output_load_toc_table.
11574 * rs6000.md (elf_high): Allow register 0, but discourage it
11576 (elf_low): Support loading into register 0.
11577 (load_toc_aix_si): New pattern.
11578 (load_toc_aix_di): New pattern.
11579 (load_toc_v4_pic_si): New pattern.
11580 (load_toc_v4_pic_di): New pattern.
11581 (load_toc_v4_PIC_1): New pattern.
11582 (load_toc_v4_PIC_1b): New pattern.
11583 (load_toc_v4_PIC_2): New pattern.
11584 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11585 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11586 (prologue): New expander.
11587 (movesi_from_cr): New pattern.
11588 (stmw): New pattern.
11589 (save_fpregs_si): New pattern.
11590 (save_fpregs_di): New pattern.
11592 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11594 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11599 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11601 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11603 (movsi_got_internal): Likewise.
11604 (movsi_got_internal+1): Likewise.
11605 (set_sp): 'unspec 7' does a SImode clobber.
11607 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11609 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11610 allocate a stack temporary.
11611 (floatsidf2_internal): Likewise.
11612 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11614 (floatunssidf2): Don't use the fpmem "register", just
11615 allocate a stack temporary.
11616 (floatunssidf2_internal): Likewise.
11617 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11619 (floatsidf2_loadaddr): Delete.
11620 (floatsidf2_store1): Delete.
11621 (floatsidf2_store2): Delete.
11622 (floatsidf2_load): Delete.
11623 (fix_truncdfsi2): Don't use the fpmem "register", just
11624 allocate a stack temporary.
11625 (fix_truncdfsi2_internal_si): Delete.
11626 (fix_truncdfsi2_internal_di): Delete.
11627 (fix_truncdfsi2_internal): New insn.
11628 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11629 (fix_truncdfsi2_store): Delete.
11630 (fix_truncdfsi2_load): Delete.
11631 (fctiwz): Produce gen_fctiwz.
11633 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11635 * eabi.h (INVOKE__main): Define.
11636 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11638 (rs6000_emit_prologue): Likewise.
11639 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11640 this is the main program.
11642 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11644 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11646 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11648 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11649 goes after the argument.
11651 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11653 * rs6000.md: Document 'unspec' values used.
11654 (epilogue): New expander.
11655 (movesi_to_cr_one): New expander.
11656 (movesi_to_cr and following): New pattern.
11657 (lmw): New pattern.
11658 (return_internal_si): New pattern.
11659 (return_internal_di): New pattern.
11660 (return_and_restore_fpregs_si): New pattern.
11661 (return_and_restore_fpregs_di): New pattern.
11662 * rs6000.h: Declare new functions.
11663 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11664 rather than rs6000_calls_p.
11665 (rs6000_makes_calls): Delete.
11666 (lmw_operation): New function.
11667 (mtcrf_operation): New function.
11668 (rs6000_emit_epilogue): New function.
11669 (output_epilog): Call rs6000_emit_epilogue and final if
11670 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11672 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11674 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11675 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11676 * aix.h (SUBTARGET_SWITCHES): Document switches.
11677 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11678 sched-prolog and sched-epilog the same. Document all the
11680 (TARGET_OPTIONS): No longer allow -mdebug-.
11682 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11684 * rs6000.h (ASM_FILE_END): Move to aix.h.
11685 (EXTRA_SECTIONS): Move to aix.h.
11686 (READONLY_DATA_SECTION): Move to aix.h.
11687 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11688 (SELECT_SECTION): Move to aix.h.
11689 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11690 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11691 (LINK_REGISTER_REGNUM): New definition.
11692 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11693 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11695 * sysv4.h: Delete the code between the inclusion of rs6000.h
11697 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11698 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11699 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11700 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11701 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11702 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11703 (fix_truncdfsi2_internal_di): New pattern.
11704 (fix_truncdfsi2_store): The second arg here is Pmode too.
11705 (fix_truncdfsi2_load): The second arg here is Pmode too.
11706 (tablejumpdi): Now that switch tables hold only SImode values,
11707 gcc needs to know how to add them to the pc which is DImode.
11708 * rs6000.c (rs6000_stack_info): Use symbolic name for
11709 LINK_REGISTER_REGNUM.
11710 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11711 (output_toc): Delete unused variables s1 and s2.
11712 (output_ascii): Use fputs not fprintf on a variable string.
11714 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11716 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11717 * aix43.h: Revert Aug 2 change.
11718 (HAS_INIT_SECTION): Define, not visible yet.
11719 (LD_INIT_SWITCH): Define, not visible yet.
11720 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11722 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11724 * config/rs6000/rtems.h: Include config/rtems.h.
11726 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11728 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11729 (SLOW_UNALIGNED_ACCESS): Define.
11730 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11731 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11732 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11733 (toc_section): Likewise and .toc pseudo-op.
11734 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11736 (TEXT_SECTION_ASM_OP): Likewise.
11737 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11740 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11742 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11743 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11746 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11748 * rs6000.h: Move more stuff from here...
11750 * sysv4.h: Cleanup accordingly.
11751 * netware.h: Likewise
11753 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11755 * rs6000.h: Continue cleanup.
11757 * lynx.h: Likewise.
11758 * netware.h: Likewise.
11759 * sol2.h: Likewise.
11760 * sysv4.h: Likewise.
11761 * win-nt.h: Likewise.
11763 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11764 (TARGET_OPTIONS): Likewise.
11766 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11767 (SUBTARGET_OPTIONS): Likewise.
11769 * rs6000.md: Fix compile time warnings.
11771 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11773 vxworks patches from the Cygnus tree originally by
11774 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11775 <vmakarov@cygnus.com>.
11776 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11777 (ENDFILE_SPEC): Likewise.
11778 (LIB_VXWORKS_SPEC): New macro.
11779 (STARTFILE_VXWORKS_SPEC): New macro.
11780 (ENDFILE_VXWORKS_SPEC): New macro.
11781 (LINK_START_VXWORKS_SPEC): New macro.
11782 (LINK_OS_VXWORKS_SPEC): New macro.
11783 (CPP_OS_VXWORKS_SPEC): New macro.
11784 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11785 * vxppc.h: Rewrite to use proper configuration method.
11786 * vxppcle.h: New file.
11787 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11788 * ../../configure: Rebuilt.
11790 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11792 Lots of changes to rs6000.h, sysv4.h, aix.h,
11793 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11794 with the aim that rs6000.h is the first header
11795 included and the others override it.
11798 * x-aix41-gld: Remove.
11800 * x-aix41: Remove target-specific switches, and don't specify
11801 -Wl,-bbigtoc as we don't need it any more.
11802 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11803 Use t-aix43 for AIX 4.3 and above.
11804 * ../../configure: Regenerated.
11806 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11807 options, that don't do anything yet.
11808 (MASK_SCHED_PROLOG): New macro.
11809 (MASK_SCHED_EPILOG): New macro.
11810 (TARGET_SCHED_PROLOG): New macro.
11811 (TARGET_SCHED_EPILOG): New macro.
11813 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11815 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11816 one per translation unit, not one per function.
11817 (output_toc): Also do duplicate constant elimination
11818 for per-translation-unit TOCs.
11820 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11821 a comment explaining _exactly_ when this pattern gets used.
11822 (builtin_setjmp_receiver): New pattern for better clarity.
11823 (init_v4_pic): Move it into a section dealing with TOC registers.
11825 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11827 * rs6000.c (toc_hash_table): New variable.
11828 (rs6000_hash_constant): New function.
11829 (toc_hash_function): New function.
11830 (toc_hash_eq): New function.
11831 (toc_hash_mark_entry): New function.
11832 (toc_hash_mark_table): New function.
11833 (output_toc): Don't output duplicate TOC entries in
11835 (rs6000_add_gc_roots): Add the hash table as a GC root.
11836 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
11837 where they clearly shouldn't be. This may need to be fixed
11838 later when there is a GNU ar for AIX.
11839 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
11840 Don't define BOOT_LDFLAGS as it is now not necessary.
11842 1999-12-29 Geoff Keating <geoffk@cygnus.com>
11844 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
11845 for va_list on AIX. Use unsigned_char_type_node rather than
11846 constructing our own version on svr4.
11848 1999-12-17 Geoff Keating <geoffk@cygnus.com>
11850 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
11851 since patently it's not.
11853 1999-12-08 Geoff Keating <geoffk@cygnus.com>
11855 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
11856 define_expand/define_insn pair, and handle restore of the
11857 SVR4 -fpic register.
11859 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
11861 * acconfig.h (HAVE_GAS_WEAK): New define.
11862 * configure.in (assembler weak support): Check for .weak support.
11863 * config.in, configure: Rebuilt.
11864 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
11865 HAVE_GAS_WEAK is defined.
11867 2000-03-15 Nick Clifton <nickc@cygnus.com>
11869 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
11872 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
11874 * cppfiles.c (open_include_file): New function.
11875 (find_include_file, cpp_read_file): Use it.
11877 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11879 * cpphash.c (dump_hash_helper): Take the slot, not the element.
11881 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
11883 * flow.c (verify_flow_info): Check for unconditional return.
11885 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
11887 * config/ia64/ia64.md (restore_stack_nonlocal): New.
11888 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
11889 (__ia64_restore_stack_nonlocal): New.
11890 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
11892 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11894 * cpphash.c (collect_formal_parameters): Do not complain about
11895 parameter names that just start with `__VA_ARGS__'.
11897 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
11899 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
11900 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
11901 * i386.c (pentiumpro_cost): Set mul cost to 4.
11902 (x86_use_movx): Set for PPro.
11904 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
11906 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
11907 STACK_BOUNDARY for empty frames now.
11909 2000-03-14 Mark Mitchell <mark@codesourcery.com>
11911 * stor-layout.c (layout_union): Remove.
11912 (layout_union_field): New function, split out from layout_union.
11913 (finish_union_layout): Likewise.
11914 (layout_field): Handle unions by calling layout_union_field.
11915 (finish_record_layout): Handle unions.
11916 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
11917 QUAL_UNION_TYPE handling.
11919 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
11921 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
11922 end of basic block is jump_insn, not barrier; use create_basic_block
11923 instead of creating basic block by hand.
11925 2000-03-14 Jason Eckhardt <jle@cygnus.com>
11927 * flow.c (reorder_basic_blocks): Account for barriers when writing
11928 over NEXT_INSN (last_bb->end).
11929 (verify_flow_info): Add check for missing barriers.
11931 2000-03-14 Greg McGary <gkm@gnu.org>
11933 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
11934 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
11935 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
11936 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
11937 __unbounded, __unbounded__): New keywords.
11938 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
11939 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
11940 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
11942 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
11944 * cselib.h: New file.
11945 * alias.c: Include "cselib.h".
11946 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
11947 MEMs as two new arguments.
11948 (get_addr): New static function.
11949 (find_base_term): Handle VALUEs.
11950 (memrefs_conflict_p): Likewise.
11951 (true_dependence): Call get_addr on the addresses.
11952 Call fixed_scalar_and_varying_struct_p with addresses that have been
11953 passed through get_addr and canon_rtx.
11954 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
11955 with true_dependence.
11956 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
11957 * loop.c: Include "cselib.h".
11958 (load_mems): Process extended basic block that enters the loop with
11959 cselib. Use that information to change initialization of the shadow
11960 register so that a constant equivalence is seen by later passes.
11961 * reload1.c: Include "cselib.h".
11962 (reload_cse_invalidate_regno): Delete function.
11963 (reload_cse_mem_conflict_p): Likewise.
11964 (reload_cse_invalidate_mem): Likewise.
11965 (reload_cse_invalidate_rtx): Likewise.
11966 (reload_cse_regno_equal_p): Likewise.
11967 (reload_cse_check_clobber): Likewise.
11968 (reload_cse_record_set): Likewise.
11969 (reg_values): Delete static variable.
11970 (invalidate_regno_rtx): Likewise.
11971 (reload_cse_delete_noop_set): New static function.
11972 (reload_cse_simplify): New static function, broken out of
11974 (reload_cse_noop_set_p): Delete unused argument INSN.
11975 Just call rtx_equal_for_cselib_p on set source and destination.
11976 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
11977 reload_cse_delete_noop_set. Delete code to keep track of values; use
11978 cselib functions instead. Delete code to push/pop obstacks.
11979 (reload_cse_simplify_set): Use cselib to find equivalent values.
11980 Delete code to push/pop obstacks.
11981 (reload_cse_simplify_operands): Likewise.
11982 * rtl.def (VALUE): New rtx code.
11983 * rtl.h (union rtunion_def): New elt rt_cselib.
11984 (X0CSELIB, CSELIB_VAL_PTR): New macros.
11985 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
11986 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
11987 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
11988 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
11989 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
11990 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
11991 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
11992 cselib_record_set, cselib_record_sets): New static functions.
11993 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
11994 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
11995 references_value_p): New functions.
11996 (MAX_USELESS_VALUES, REG_VALUES): New macros.
11997 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
11998 n_useless_values, reg_values, callmem, cselib_obstack,
11999 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12000 New static variables.
12001 * varray.h (union varray_data_tag): New elt te.
12002 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12003 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12006 2000-03-14 Nick Clifton <nickc@cygnus.com>
12008 * gcc.c (do_spec_1): Catch the case where %* is used in a
12009 substitution pattern, but it has not been initialised.
12010 Issue a meaningful error message if an unrecognised operator
12011 is encountered in a spec string.
12013 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12015 * function.c (prepare_function_start): Correctly initialize
12016 cfun->stack_alignment_needed.
12018 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12020 * cppfiles.c (find_include_file): Don't assume nshort is a
12023 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12025 * configure.in (hppa configurations): Add pa32-regs.h to the
12026 list of tm files as appropriate.
12027 * configure: Rebuilt.
12028 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12029 register numbering.
12030 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12031 (fmpyaddoperands, fmpysuboperands): Likewise.
12032 * pa.h: Remove various definitions which depend on knowing
12033 how registers are numbered.
12034 * pa32-regs.h: New file with PA32 register numbering specific
12037 2000-03-14 Richard Henderson <rth@cygnus.com>
12039 * regmove.c (combine_stack_adjustments): New.
12040 (stack_memref_p, single_set_for_csa): New.
12041 (free_csa_memlist, record_one_stack_memref): New.
12042 (try_apply_stack_adjustment): New.
12043 (combine_stack_adjustments_for_block): New.
12044 * rtl.h (combine_stack_adjustments): Declare.
12045 * toplev.c (rest_of_compilation): Call it.
12047 * i386.md: Revert 2000-01-16 change.
12049 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12051 * gccbug.in: Add web category, gcc specific classes.
12053 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12055 * stor-layout.c (finalize_record_size): Fix typo.
12057 2000-03-14 Stan Shebs <shebs@apple.com>
12059 * c-typeck.c (c_alignof): Error on incomplete types.
12060 * extend.texi (Alignment): Document this.
12062 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12064 * cppfiles.c: Include mkdeps.h.
12065 (find_include_file, read_include_file): Remove _cpp_ prefix
12066 from name, make static.
12067 (_cpp_execute_include): New function, broken out of
12070 * cpplib.c: Don't include mkdeps.h.
12071 (struct directive): Remove type field. Reorder entries. The
12072 function takes only one argument.
12073 (struct if_stack): Make type field an int.
12074 (directive_table): Rename to dtable. Generate it, the
12075 prototypes of the directive handlers, and the enum for the
12076 directive numbers, from a template macro.
12077 (do_ifndef, do_include_next, do_import): New functions.
12078 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12079 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12080 do_ident, do_assert, do_unassert, do_sccs): Take only one
12082 (do_sccs): Define always, but alter behavior based on
12084 (_cpp_handle_directive, consider_directive_while_skipping):
12085 Restructure for new directive table layout.
12087 (pass_thru_directive): Take a directive number, not a pointer
12088 to a struct directive.
12089 (parse_include): New function, broken out of do_include.
12090 (do_include, do_import, do_include_next): Use parse_include
12091 and _cpp_execute_include.
12092 (do_elif, do_else): Test for T_ELSE specifically when checking
12093 for #elif/#else after #else.
12094 (parse_ifdef): New function, broken out of do_ifdef.
12095 (validate_else): Expect a name arg without a leading #.
12096 (if_directive_name): Delete.
12097 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12098 directive handlers with only one argument.
12100 * cpphash.h: Update prototypes.
12101 (enum node_type): Remove entries for directives.
12102 * Makefile.in: Update dependencies.
12104 * cpphash.c (dump_hash_helper): Only dump nodes of type
12105 T_MACRO. Emit a newline after each definition.
12107 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12109 * gccbug.in: New file.
12110 * configure.in (all_outputs): Add gccbug.
12111 * Makefile.in (install-common): Install gccbug.
12112 (GCCBUG_INSTALL_NAME): New variable.
12113 * configure: Rebuilt.
12115 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12117 * function.c (put_var_into_stack): Use type_for_mode to calculate
12118 part_type. Use MEM_SET_IN_STRUCT_P.
12119 * expr.c (store_field): Handle CONCAT.
12120 (store_constructor): Use fields_length.
12121 * tree.c (fields_length): New fn.
12122 * tree.h: Declare it.
12124 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12126 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12127 (cpplex.o): New target.
12128 * po/POTFILES.in: Add cpplex.c.
12130 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12131 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12132 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12133 skip_block_comment, skip_line_comment, skip_comment,
12134 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12135 _cpp_parse_name, skip_string, parse_string,
12136 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12137 _cpp_get_directive_token, find_position,
12138 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12139 (maybe_macroexpand, _cpp_lex_token): New functions.
12141 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12142 parse_goto_mark): Delete.
12143 (_cpp_handle_eof): New function.
12144 (_cpp_handle_directive): Rename from handle_directive.
12145 (_cpp_output_line_command): Rename from output_line_command.
12146 (do_if, do_elif): Call _cpp_parse_expr directly.
12147 * cppfiles.c (_cpp_read_include_file): Don't call
12148 init_input_buffer here.
12149 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12150 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12151 here; pop the token_buffer and skip the rest of the line here.
12152 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12155 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12157 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12158 CPP_GOTO_MARK): New macros.
12159 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12160 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12161 _cpp_read_and_prescan, _cpp_init_input_buffer,
12162 _cpp_grow_token_buffer, _cpp_get_directive_token,
12163 _cpp_handle_directive, _cpp_handle_eof,
12164 _cpp_output_line_command): Prototype them here.
12165 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12166 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12167 quote_string, output_line_command): Remove.
12169 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12171 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12172 whether it is too large we must also verify that it isn't negative.
12174 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12176 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12177 (movsi_zero_liveg0): Remove.
12178 (movsf_insn_novis_liveg0): Remove.
12180 (negsi2_not_liveg0): Rename to negsi2.
12181 (one_cmplsi2): Remove.
12182 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12183 (one_cmplsi2_liveg0): Remove.
12184 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12185 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12186 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12187 (PREDICATE_CODES): Remove zero_operand.
12188 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12189 TARGET_BROKEN_SAVERESTORE.
12190 (zero_operand): Remove.
12191 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12192 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12194 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12195 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12196 TARGET_BROKEN_SAVERESTORE): Remove.
12197 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12199 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12201 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12204 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12206 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12208 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12209 truncating a string. Don't assume tokens are nul terminated.
12210 Problem noted by Andreas Jaeger <aj@suse.de>
12212 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12214 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12215 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12216 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12218 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12220 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12221 STRUCTURE_SIZE_BOUNDARY.
12223 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12225 * tree.h (record_layout_info_s): New structure.
12226 (record_layout_info): New type.
12227 (new_record_layout_info): New function.
12228 (layout_field): Likewise.
12229 (finish_record_layout): Likewise.
12230 * stor-layout.c (layout_record): Remove.
12231 (new_record_layout_info): New function.
12232 (layout_field): New function, broken out from layout_record.
12233 (finalize_record_size): Likewise.
12234 (compute_record_mode): Likewise.
12235 (finalize_type_size): New function, broken out from layout_type.
12236 (finish_record_layout): Likewise.
12237 (layout_type): Use them.
12239 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12241 * cpphash.c: Don't include version.h.
12242 (special_symbol) [case T_VERSION]: Look for the string in
12243 hp->value.cpval; don't use version_string.
12244 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12245 __VERSION__ to version_string.
12246 * Makefile.in (cpphash.o): Update deps.
12248 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12250 Convert cpplib to use libiberty/hashtab.c.
12252 * cpplib.h (struct cpp_reader): Make hashtab and
12253 all_include_files of type 'struct htab *'. Delete HASHSIZE
12254 and ALL_INCLUDE_HASHSIZE macros.
12256 * cpphash.h: Update prototypes.
12257 (struct hashnode): Remove next, prev, and bucket_hdr members.
12258 Make length a size_t. Add hash member.
12259 (struct ihash): Remove next member. Add hash member. Make
12260 name a flexible array member.
12262 * cppfiles.c: Include hashtab.h.
12263 (include_hash): Delete.
12264 (IHASHSIZE): New macro.
12265 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12266 (cpp_included): Do the hash lookup here.
12267 (_cpp_find_include_file): Rewrite.
12268 (cpp_read_file): Put the "fake" hash entry into the hash
12269 table. Honor the control_macro, if it turns out we've seen
12270 the file before. Don't push the buffer here.
12271 (_cpp_read_include_file): Push the buffer here.
12272 (OMODES): New macro. Use it whenever we call open(2).
12274 * cpphash.c: Include hashtab.h.
12275 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12276 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12277 _cpp_lookup_slot): New functions.
12278 (HASHSIZE): new macro.
12279 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12280 (_cpp_lookup): Use hashtab.h routines.
12282 * cppinit.c: Include hashtab.h.
12283 (cpp_reader_init): Call _cpp_init_macro_hash and
12284 _cpp_init_include_hash. Don't allocate hashtab directly.
12285 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12286 pfile->all_include_files.
12287 (initialize_builtins): Use _cpp_make_hashnode and
12288 htab_find_slot to add hash entries.
12289 (cpp_finish): Just call _cpp_dump_macro_hash.
12290 * cpplib.c: Include hashtab.h.
12291 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12292 create hash entries.
12293 (do_pragma_poison, do_assert): Likewise.
12294 (do_include): Don't push the buffer here. Don't increment
12295 system_include_depth unless _cpp_read_include_file succeeds.
12296 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12297 or htab_remove_elt.
12298 (do_pragma_implementation): Use alloca to create copy.
12300 * Makefile.in: Update dependencies.
12302 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12304 * cppinit.c (cl_directive_handler): More K&R fixing.
12306 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12308 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12310 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12312 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12314 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12315 Change from char[] to macros.
12317 2000-03-12 Neil Booth <NeilB@earthling.net>
12319 * cppinit.c (cpp_start_read): Update indirect function
12322 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12324 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12327 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12328 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12330 2000-03-11 Neil Booth <NeilB@earthling.net>
12332 * cppinit.c (struct pending option): Replace undef with a
12333 pointer to a directive handling routine.
12334 (struct cpp_pending): Replace separate assert_ and define_
12335 lists with one directive_ list.
12336 (new_pending_define): Rename new_pending_directive. Extra
12337 argument is the directive's handling routine.
12338 (handle_option): Update to use new_pending_directive.
12340 2000-03-11 Neil Booth <NeilB@earthling.net>
12342 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12343 remap_filename, _cpp_read_include_file, actual_directory,
12344 hack_vms_include_specification): Replace bcopy(), index() etc
12345 calls. Add casts to some allocations. Make some variables
12346 pointers to const [unsigned] char.
12347 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12348 collect_formal_parameters): Similarly.
12349 * cppinit.c (struct pending_option, append_include_chain,
12350 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12351 cpp_start_read, new_pending_define, handle_option): Similarly.
12352 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12353 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12354 do_pragma_implementation, detect_if_not_defined,
12355 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12356 do_assert, do_unassert): Similarly.
12357 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12358 function prototypes.
12359 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12361 2000-03-10 Richard Henderson <rth@cygnus.com>
12363 * builtins.c (expand_builtin_strlen): Revert last change.
12364 Use emit_insn_before if we're at the beginning of a sequence.
12366 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12368 * builtins.c (expand_builtin_strlen): Make sure that we have something
12369 at the beginning of the sequence.
12371 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12374 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12376 2000-03-10 Richard Henderson <rth@cygnus.com>
12378 * except.c (can_throw): Use INTVAL on a CONST_INT.
12379 (reachable_handlers): Likewise.
12380 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12382 2000-03-10 Andreas Jaeger <aj@suse.de>
12384 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12385 MD_STARTFILE_PREFIX since those are not needed on linux.
12386 (ASM_FILE_START): New, from mips/gnu.h.
12388 2000-03-09 Richard Henderson <rth@cygnus.com>
12389 Alex Samuel <samuel@codesourcery.com> and others
12391 * Makefile.in (ssa.o): New rule.
12393 (STAGESTUFF): Add *.ssa and *.ussa.
12394 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12395 * rtl.def (PHI): New RTL expression.
12396 * rtl.h (clear_log_links): New declaration.
12397 (convert_to_ssa): Likewise.
12398 (convert_from_ssa): Likewise.
12399 * flow.c (split_edge): If the entry node falls through to the
12400 split edge's source block, split the entry edge.
12401 (clear_log_links): New function.
12402 * toplev.c (ssa_dump): New variable.
12403 (flag_ssa): Likewise.
12404 (f_options): Add "ssa".
12405 (compile_file): Create SSA dump files.
12406 (rest_of_compilation): Go to and from SSA if enabled.
12407 (decide_d_option): Handle -de for SSA dump files.
12410 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12412 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12415 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12417 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12419 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12421 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12422 (MD_STARTFILE_PREFIX_1): New macro.
12424 2000-03-09 Robert Lipe <robertl@sco.com>
12426 * config/ia64/ia64.c: Include system.h.
12428 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12430 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12431 (init_eh_nesting_info): Likewise.
12433 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12434 (TREE_NOTHROW): Rename from TREE_RAISES.
12435 * toplev.c (rest_of_compilation): Set it.
12436 * print-tree.c (print_node): Adjust.
12437 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12438 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12439 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12440 REG_EH_REGION note as appropriate.
12441 (libfunc_nothrow): New fn.
12442 (emit_library_call, emit_library_call_value): Use it.
12443 (expand_call): Check TREE_NOTHROW.
12445 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12446 DECL_ASSEMBLER_NAME.
12448 2000-03-09 Andreas Jaeger <aj@suse.de>
12450 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12451 (TARGET_MEM_FUNCTIONS): Define.
12453 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12455 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12457 * except.c (can_throw): See through a SEQUENCE.
12458 (nothrow_function_p): New fn.
12459 * except.h: Declare it.
12460 * function.c (current_function_nothrow): New var.
12461 (prepare_function_start): Initialize it.
12462 * output.h: Declare it.
12463 * toplev.c (rest_of_compilation): Set it.
12464 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12466 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12468 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12469 match. (cpp_compare_defs): Count the nul separator when
12470 advancing over argument names.
12472 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12474 * recog.c (preprocess_constraints): Matching constraints affect
12475 same alternative/different operand, not same operand/different
12478 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12479 register and a constant specially.
12481 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12483 * libgcc2.h: New file.
12484 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12486 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12488 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12489 * configure: Regenerate.
12490 * config/ia64: New.
12492 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12494 * Makefile.in (LIBCPP_DEPS): New macro.
12495 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12496 it to declare deps.
12497 * cpperror.c: Include cpphash.h.
12498 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12500 (lex): Don't use CPP_WARN_UNDEF.
12501 (_cpp_parse_expr): Return an int, the truth value.
12502 * cppfiles.c: Include cpphash.h.
12503 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12504 * cppinit.c (include_defaults_array): Disentangle.
12505 (cpp_cleanup): Don't free the if stack here.
12506 (cpp_finish): Pop off all buffers, not just one.
12507 * cpplib.c (eval_if_expr): Return int.
12508 (do_xifdef): Rename do_ifdef.
12509 (handle_directive): Don't use CPP_PREPROCESSED.
12510 (cpp_get_token): Don't use CPP_C89.
12511 * fix-header.c: Don't use CPP_OPTIONS.
12513 * cpplib.h: Move U_CHAR, enum node_type, struct
12514 file_name_list, struct ihash, is_idchar, is_idstart,
12515 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12516 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12517 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12518 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12519 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12520 of _cpp_simplify_pathname, _cpp_find_include_file,
12521 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12522 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12524 Change all uses of U_CHAR to be unsigned char instead.
12525 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12527 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12529 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12530 (dwarf2out_begin_prologue): Set it.
12531 (output_call_frame_info): Don't emit EH unwind info for leaves.
12533 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12534 can occur outside of an EH region.
12535 * except.c: Correct comments about rethrow behavior.
12536 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12538 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12540 * flow.c (make_edges): Always call make_eh_edge for calls.
12542 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12544 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12545 (struct cpp_buffer): Remove fname and underflow fields.
12546 (struct cpp_reader): Remove get_token field.
12547 (struct include_hash): Rename to struct ihash. Add typedef to
12549 (struct if_stack): Remove fname field.
12550 (IF_STACK_FRAME): Rename to IF_STACK.
12552 * cpperror.c (print_containing_files): Trust that there are no
12553 macro buffers below the top file buffer.
12554 * cppfiles.c: Replace all references to 'struct include_hash'
12555 with 'IHASH'. Rename initialize_input_buffer to
12556 init_input_buffer. Don't set or reference cpp_buffer->fname,
12557 use buffer->ihash->name instead.
12558 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12559 not CPP_NULL_BUFFER.
12560 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12561 IF_STACK_FRAME, IHASH not struct include_hash.
12562 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12563 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12564 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12565 references to cpp_buffer->fname (delete entirely, or use
12566 ->ihash->name instead) and IF_STACK->fname.
12567 (cpp_push_buffer): Don't set new->underflow.
12568 (do_include): Use cpp_file_buffer.
12570 * cpphash.c (collect_formal_parameters): Remove duplicate
12571 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12572 used as a macro argument name. Don't append "..." to namebuf
12573 for varargs macros. After we're done scanning, go through
12574 namebuf and make it NUL separated, not comma separated.
12575 (_cpp_compare_defs): Remove register tag from variables.
12576 Expect defn->argnames to be NUL separated.
12577 (_cpp_dump_definition): Expect defn->argnames to be NUL
12578 separated and in forward order.
12579 * cpphash.h: Update documentation of argnames field.
12581 2000-03-08 Richard Henderson <rth@cygnus.com>
12583 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12584 to fail. Don't pre-expand the source operand.
12586 * i386.md (strlensi): Initialize eoschar and align before use.
12588 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12590 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12591 CONSTRUCTOR element.
12593 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12595 * mips.c (mips_expand_prologue): If the last
12596 named argument is the vararg marker "va_list", treat it as
12597 an unnamed argument.
12599 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12601 * dbxout.c (dbxout_parms): When correcting for promoted
12602 big-endian parameters, use the mode of the DECL_RTL rather
12603 than UNITS_PER_WORD.
12605 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12607 * c-common.h (make_fname_decl): Declare.
12608 * c-common.c (make_fname_decl): Define.
12609 (declare_hidden_char_array): Remove.
12610 (declare_function_name): Use make_fname_decl.
12611 * c-decl.c (c_make_fname_decl): New function.
12612 (init_decl_processing): Set make_fname_decl.
12614 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12616 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12618 2000-03-07 Philipp Thomas <pthomas@suse.de>
12620 * po/POTFILES.in: Remove cppalloc.c from file list.
12622 2000-03-07 Steve Chamberlain <sac@pobox.com>
12624 * pj.c (pj_expand_prologue): current_function->args_info is
12625 now current_function_args_info.
12627 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12628 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12629 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12631 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12633 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12634 output as hexadecimal rather than the default octal.
12636 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12638 * cpphash.c (special_symbol): Fix thinko in previous commit.
12640 2000-03-07 Neil Booth <NeilB@earthling.net>
12642 * cppexp.c (struct operation, left_shift, right_shift,
12643 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12644 "int"s to "unsigned int"s.
12645 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12647 * cpplib.h: Update for above.
12648 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12649 returned from allocations.
12651 * cppinit.c (opt_comp, parse_options): New functions.
12652 (handle_option): Use parse_option to parse a single command
12653 line option, that possibly takes an argument.
12654 (cpp_handle_options): Sort the array of command line options on
12655 first invocation (non-ASCII hosts only).
12656 (print_help): Update.
12658 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12660 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12661 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12663 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12665 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12667 * cpperror.c (cpp_print_containing_files,
12668 cpp_print_file_and_line, v_cpp_message): Rename to
12669 print_containing_files, print_file_and_line, and v_message.
12670 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12671 to _cpp_parse_expr, parse_escape, and lex.
12672 (parse_charconst): Remove broken multibyte support.
12673 * cppfiles.c (include_hash): Make static.
12674 (cpp_included): New function.
12675 (merge_include_chains, find_include_file, finclude,
12676 simplify_pathname): Rename to _cpp_merge_include_chains,
12677 _cpp_find_include_file, _cpp_read_include_file, and
12678 _cpp_simplify_pathname.
12679 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12680 cpp_install, create_definition, macroexpand, compare_defs,
12681 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12682 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12683 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12684 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12686 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12688 * cpphash.h: Update prototypes.
12689 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12691 2000-03-07 Andrew Haley <aph@cygnus.com>
12693 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12694 PTRDIFF_TYPE should be based solely on Pmode.
12695 (SIZE_TYPE): ditto.
12697 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12699 * rtl.h (rtunion_def): Constify member `rtstr'.
12700 (emit_line_note_after, emit_line_note, emit_line_note_force,
12701 emit_note, decode_asm_operands): Constify.
12703 * cse.c (canon_hash): Likewise.
12705 * dbxout.c (dbxout_block): Likewise.
12707 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12708 v_warning_for_asm): Likewise.
12710 * dwarfout.c (function_start_label): Likewise.
12712 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12713 emit_line_note_force): Likewise.
12715 * final.c (last_filename, asm_insn_count, final_scan_insn,
12716 output_source_line): Likewise.
12718 * function.h (struct emit_status): Likewise.
12720 * gcse.c (hash_expr_1): Likewise.
12722 * genattr.c (gen_attr, main): Likewise.
12724 * genattrtab.c (struct function_unit, current_alternative_string,
12725 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12726 attr_numeral, check_attr_test, check_attr_value,
12727 convert_set_attr_alternative, convert_set_attr,
12728 compute_alternative_mask, simplify_by_exploding, gen_attr,
12729 gen_unit): Likewise.
12731 * genflags.c (gen_insn): Likewise.
12733 * gengenrtl.c (type_from_format): Likewise.
12735 * genopinit.c (gen_insn): Likewise.
12737 * genoutput.c (n_occurrences, process_template, process_template):
12740 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12743 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12746 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12747 ggc_set_mark, ggc_get_size): Likewise.
12749 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12751 * optabs.c (init_one_libfunc): Likewise.
12753 * output.h (assemble_start_function): Likewise.
12755 * recog.c (decode_asm_operands): Likewise.
12757 * toplev.c (rest_of_compilation): Likewise.
12759 * tree.h (emit_line_note_after, emit_line_note,
12760 emit_line_note_force): Likewise.
12762 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12763 asm_emit_uninitialised, assemble_start_function,
12764 assemble_variable, const_hash, compare_constant_1,
12765 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12767 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12769 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12771 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12773 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12775 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12776 arm_dllimport_name_p): Likewise.
12778 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12781 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12783 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12785 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12786 arm_mark_dllexport, arm_mark_dllimport,
12787 arm_pe_encode_section_info): Likewise.
12789 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12790 ASM_FINISH_DECLARE_OBJECT): Likewise.
12792 * arm/thumb.c (thumb_function_prologue): Likewise.
12794 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12796 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12798 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12800 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12802 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12804 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12806 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12807 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12809 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12811 * i386/i386.c (asm_output_function_prefix): Likewise.
12813 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12815 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12817 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12819 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12820 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12821 ASM_OUTPUT_SECTION_NAME): Likewise.
12823 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12825 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12827 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12829 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12831 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12833 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12835 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12837 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12839 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12841 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
12843 * mips/mips.md (movdi, movsi): Likewise.
12845 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12847 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12849 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12851 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
12852 ASM_OUTPUT_ASCII): Likewise.
12854 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
12855 output_mi_thunk, output_toc): Likewise.
12857 * rs6000/rs6000.md (movsi): Likewise.
12859 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
12861 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
12863 * v850/v850.c (print_operand, print_operand_address,
12864 v850_encode_data_area): Likewise.
12866 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
12868 * config/mips/mips.md (zero_extendsidi2): Always force operand
12869 one to memory for mips16.
12871 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12873 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
12874 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
12875 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
12876 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
12877 (min_precision): Result is unsigned.
12878 (add_double, neg_double, mul_double): Low word is unsigned.
12879 (lshift_double, rshift_double, lrotate_double): Likewise.
12880 (rrotate_double, div_and_round_double): Likewise.
12881 (tree_floor_log2, compare_tree_int): New functions.
12882 (preserve_rtl_expr_temps): New declaration.
12883 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
12884 (decl_attributes): Use tree_log2 to find alignment.
12885 Check for TREE_INT_CST_HIGH for format args.
12886 (min_precision): Now unsigned.
12887 Use tree_floor_log2.
12888 (truthvalue_conversion): Delete long-disabled code.
12889 * c-decl.c (finish_struct): Clean up tests on field width.
12890 (finish_function): Use compare_tree_int.
12891 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
12892 * c-typeck.c (comptypes): Use tree_int_cst_equal.
12893 (default_conversion, digest_init): Use compare_tree_int.
12894 (build_binary_op): Use integer_all_onesp and compare_tree_int.
12895 Fix type errors in forming masks.
12896 * calls.c (initialize_argument_information): Use compare_tree_int.
12897 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12898 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
12899 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
12900 (store_field): Use compare_tree_int.
12901 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
12902 (expand_expr, case ARRAY_REF): Use compare_tree_int.
12903 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
12904 (do_store_flag): Use compare_tree_int.
12905 * fold-const.c (encode, decode): Low part is always unsigned.
12906 (force_fit_type, add_double, neg_double, mul_double): Likewise.
12907 (lshift_double, rshift_double, lrotate_double): Likewise.
12908 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
12909 (fold_convert): Use compare_tree_int.
12910 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
12911 (invert_truthvalue, case INTEGER_CST): Likewise.
12912 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
12913 * mkdeps.c (deps_dummy_targets): Make I unsigned.
12914 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
12915 (lshift_double, rshift_double, lrotate_double, rrotate_double):
12917 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
12918 (expand_end_case): Use compare_tree_int.
12919 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12920 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
12921 (layout_decl): Likewise.
12922 (layout_record, layout_union): Make sizes unsigned.
12923 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
12924 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
12925 * tree.c (struct type_hash): hashcode is unsigned.
12926 (build_type_attribute_variant, type_hash_list): Likewise.
12927 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
12928 (attribute_hash_list, build_array_type, build_method_type): Likewise.
12929 (build_complex_type): Likewise.
12930 (real_value_from_int_cst): Remove unneeded casts.
12931 (integer_all_onesp): Add casts.
12932 (tree_floor_log2, compare_tree_int): New functions.
12933 (build_index_type): Use tree_int_cst_sgn.
12934 * varasm.c (assemble_variable): Use compare_tree_int.
12936 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
12938 * cpphash.c (collect_expansion): Also catch ## at start of macro.
12940 * varasm.c (make_decl_rtl): Don't add a number to members of
12942 (make_function_rtl): Likewise.
12944 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12946 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
12947 patch from 2000-01-28.
12949 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
12951 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
12952 filled with an insn from the jump target.
12954 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12956 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
12957 (c4x_external_ref): Likewise.
12958 * config/c4x/c4x.c (struct name_list): Likewise.
12960 1999-12-16 Ben Collins <bcollins@debian.org>
12962 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
12963 argument to genmultilib.
12964 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
12965 the contents into the multilib.h header.
12966 * gcc.c: Declare multilib_exclusions for the specs file.
12967 (set_multilib_dir): Use it.
12968 (print_multilib_info): Likewise.
12969 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
12970 to pass to genmultilib.
12972 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12974 * builtins.c (built_in_class_names, built_in_names): Constify a
12977 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
12979 (_mcleanup): Ensure value matches format specifier in sprintf.
12981 * cpphash.c (special_symbol): Don't needlessly cast away
12984 * cppinit.c (base_name): Delete unused prototype.
12986 * mkdeps.c (deps_init): Make definition K&R safe.
12988 * tree.h (built_in_class_names, built_in_names): Constify a
12991 2000-03-06 Jakub Jelinek <jakub@redhat.com>
12993 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
12994 floating point instructions for epilogue delay.
12996 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
12997 to gas if it supports .register pseudo.
12999 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13000 LONG_DOUBLE_TYPE_SIZE if not defined.
13001 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13002 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13003 * real.c: Likewise.
13004 * gengenrtl.c: Likewise.
13005 * print-rtl.c: Likewise.
13007 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13008 MASK_LONG_DOUBLE_128.
13009 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13010 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13011 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13012 (SUBTARGET_SWITCHES): Define.
13013 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13014 with -mlong-double-128.
13015 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13016 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13017 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13018 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13019 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13020 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13021 with -mlong-double-128.
13022 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13023 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13024 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13025 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13026 TARGET_LONG_DOUBLE_128): Define.
13027 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13028 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13029 long double on TARGET_ARCH64.
13031 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13033 * function.c (free_temps_for_rtl_expr): Don't free slots
13034 that have been pushed into a higher level.
13037 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13039 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13041 * basic-block.h (ALLOCA_REG_SET): Remove.
13042 (INITIALIZE_REG_SET): New macro.
13043 * flow.c (update_life_info): Use it.
13044 (calculate_global_regs_live): Likewise.
13045 (propagate_block): Likewise.
13046 * global.c (build_insn_chain): Likewise.
13047 * haifa-sched.c (schedule_region): Likewise.
13049 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13051 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13052 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13053 (DWARF_ARANGES_PAD_SIZE): New define.
13054 (output_aranges): Use it to pad the address range header.
13055 (DWARF_ROUND): Fix for non power of 2 rounding.
13057 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13059 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13061 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13063 * tree.def (RTL_EXPR): Update documentation.
13064 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13065 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13066 * function.c (preserve_rtl_expr_temp): New function.
13067 (preserve_rtl_expr_temps): Likewise.
13068 (preserve_rtl_expr_result): Use it.
13071 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13073 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13075 * regmove.c (copy_src_to_dest) Do not create src->dest move
13076 for unchanging destination.
13078 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13080 * function.h (struct sequence_stack): Remove rtl_expr.
13081 (struct emit_staus): Likewise.
13082 (seq_rtl_expr): Remove.
13083 * tree.h (free_temps_for_rtl_expr): Don't declare.
13084 (start_sequence_for_rtl_expr): Likewise.
13085 * rtl.h (preserve_rtl_expr_result): Likewise.
13086 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13087 (start_sequence_for_rtl_expr): Remove.
13088 (push_topmost_sequence): Don't save sequence_rtl_expr.
13089 (pop_topmost_sequence): Remove comment about not restoring it.
13090 (end_sequence): Don't set seq_rtl_expr.
13091 (init_emit): Don't initialize it.
13092 (mark_sequence_stack): Don't mark it.
13093 (mark_emit_status): Likewise.
13094 * except.c (protect_with_terminate): Use
13095 start_sequence_for_rtl_expr, not start_sequence.
13096 * expr.c (expand_expr, case RTL_EXPR): Don't call
13097 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13098 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13099 (preserve_rtl_expr_result): Remove.
13100 (free_temps_for_rtl_expr): Likewise.
13101 (pop_temp_slots): Likewise.
13102 (mark_temp_slot): Don't mark the rtl_expr.
13103 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13104 start_sequence_for_rtl_expr.
13106 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13108 * mkdeps.c, mkdeps.h: New files.
13109 * po/POTFILES.in: Add them.
13110 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13111 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13112 (mkdeps.o): New target.
13114 * cppfiles.c: Delete deps_output.
13115 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13116 OBJECT_SUFFIX, and base_name.
13117 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13119 (initialize_dependency_output): Use deps_init,
13120 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13121 all the unnecessary string bashing.
13122 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13124 * cpplib.c (do_include): Use deps_add_dep.
13125 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13126 deps_allocated_size, deps_size, deps_column members with
13127 single pointer to a struct deps. Delete prototype of
13130 * cppinit.c: Fix thinko in previous patch.
13132 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13134 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13135 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13136 (mode_for_size_tree): New function.
13137 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13138 * tree.h (mode_for_size_tree): New declaration.
13140 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13142 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13144 * stmt.c (is_body_block): Move...
13145 * dwarfout.c, dwarf2out.c: ...from here.
13146 * tree.h: Declare it.
13147 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13148 * final.c (final_start_function): Do call remove_unnecessary_notes
13151 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13153 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13155 * cpplib.h (_dollar_ok): New macro.
13156 (is_idchar, is_idstart): Use it.
13157 (IStable): Rename to _cpp_IStable. Declare it const if
13158 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13159 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13160 is_space): Update for renamed IStable.
13162 * cppinit.c: Delete all references to FAKE_CONST and CAT
13163 macros. Define init_IStable as empty macro if gcc >=2.7 or
13164 C99. Change TABLE() to ISTABLE and hardcode name of table.
13165 (cpp_start_read): Don't change the IStable based on
13168 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13169 changed. Handle '$' for char1 correctly.
13170 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13172 * cppexp.c (tokentab2): Make const.
13173 (cpp_lex): Make toktab const.
13174 * cppinit.c (include_defaults_array): Make const.
13175 (initialize_standard_includes): Make default_include const.
13177 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13179 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13180 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13181 (gen_decl_die): Likewise.
13182 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13183 (output_decl): Likewise.
13185 * varasm.c (make_function_rtl): If we change the name used in the
13186 rtl, update DECL_ASSEMBLER_NAME accordingly.
13187 (make_decl_rtl): Likewise.
13189 * toplev.c (rest_of_compilation): Tweak formatting.
13191 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13192 remove_unnecessary_notes.
13193 (debug_ignore_block): New fn.
13194 * toplev.h: Declare it.
13195 * emit-rtl.c (remove_unncessary_notes): Call it.
13196 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13197 * dwarf2out.h: Declare it.
13198 * final.c (final_start_function): Don't call remove_unnecessary_notes
13199 if we did insn scheduling.
13201 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13203 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13204 * cpplib.h: Delete SET_CPP_PEDANTIC.
13206 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13208 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13209 result is a RECORD_TYPE.
13211 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13213 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13215 2000-03-03 Richard Henderson <rth@cygnus.com>
13217 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13218 addition over compliments over shifts.
13220 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13222 * reload1.c (reload_combine_note_use): Handle return register USEs.
13223 REG case: Handle multi-hard-register hard regs.
13225 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13227 * md.texi: Document use of '*' in insn pattern name.
13229 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13231 * calls.c (special_function_p): operator new may not be malloc-like.
13233 * gcse.c (dump_hash_table): Really fix error in last change.
13235 2000-03-02 Denis Chertykov <denisc@overta.ru>
13237 * avr.c (print_operand): Use print_operand_address instead of
13239 * avr/libgcc.S: Cleanup code.
13241 2000-03-02 Richard Henderson <rth@cygnus.com>
13243 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13245 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13247 * tree.h (TYPE_ALIGN_UNIT): New macro.
13249 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13251 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13253 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13255 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13257 (SET_CPP_PEDANTIC): New macro.
13258 * cpplib.c (do_include): Don't bother checking system_header_p.
13259 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13260 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13262 * function.h (struct expr_status): Add x_arg_space_so_far.
13263 (arg_space_so_far): New macro.
13264 * expr.c (init_expr): Initialize it.
13265 * calls.c (emit_call_1): Reset it.
13266 (compute_argument_block_size, expand_call): Use it.
13267 (expand_call, store_one_arg): Increment it.
13269 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13271 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13274 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13276 * cppfiles.c (cpp_read_file): New function.
13278 * cpphash.c (collect_expansion): Make sure to reset last_token
13279 to NORM when we hit a string. Handle trailing whitespace
13280 properly when the expansion is empty.
13281 (create_definition): Disable line commands while parsing the
13283 (dump_definition): If pfile->lineno == 0, output a line
13284 command ahead of the dump, and add a trailing newline.
13286 * cppinit.c (append_include_chain): Add fifth argument, which
13287 indicates whether or not system headers are C++ aware.
13288 (initialize_standard_includes): New function,
13289 broken out of read_and_prescan. Pass 'cxx_aware' value from
13290 the include_defaults_array on to append_include_chain.
13291 (dump_special_to_buffer): Const-ify char array.
13292 (builtin_array): Don't dump __BASE_FILE__.
13293 (cpp_start_read): Use cpp_read_file. Reorder code for
13294 clarity. Don't output line commands here for -D/-A/-U
13295 switches. Don't call deps_output for files included with
13296 -include or -imacros.
13298 * cpplib.c (do_define): Don't pay any attention to the second
13300 (cpp_expand_to_buffer): Disable line commands while scanning.
13301 (output_line_command): Work in the file buffer.
13302 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13303 Fix formatting of comments. Prototype cpp_read_file.
13305 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13307 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13308 reference the language-equivalent of sizetype.
13309 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13310 * fold-const.c (size_binop, size_diffop): Put back checks.
13311 * gcse.c (dump_hash_table): Fix minor error in last change.
13312 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13313 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13316 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13318 * calls.c (expand_call) Do not attempt to combine stack adjustments
13319 with inhibit_defer_pop set.
13321 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13323 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13324 the DECL_SIZE for a FIELD_DECL.
13326 2000-03-01 Bruce Korb <bkorb@gnu.org>
13328 * fixinc/inclhack.tpl: remove unused symlinks
13329 * fixinc/README: GCC Maintainer info
13330 * fixinc/inclhack.sh: regen
13331 * fixinc/fixincl.sh: regen
13333 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13335 * cpphash.c (collect_expansion): Trim trailing white space
13336 from macro definitions, but don't go past the last insertion
13339 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13341 * i386.md (mulqi3): New pattern.
13343 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13345 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13347 (struct cpp_reader): Add parsing_if_directive and
13348 parsing_define_directive flags.
13349 (struct cpp_options): Remove output_conditionals flag.
13350 (check_macro_name): Delete prototype.
13352 * cpphash.h (struct macrodef): Delete.
13353 (struct reflist): Separate from struct definition.
13354 (struct definition): Remove unused fields. Add column number.
13355 (create_definition): Returns a DEFINITION *. Takes a
13356 cpp_reader * and an int.
13358 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13359 (PEEKC): Copy defn from cpplib.c.
13360 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13362 (struct arglist): Simplify.
13363 (collect_expansion): Rewrite. Get tokens by calling
13364 cpp_get_token. Add more error checking.
13365 (collect_formal_parameters): New function, broken out of
13366 create_definition and reworked to use get_directive_token.
13367 (create_definition): All real work is now in collect_expansion
13368 and collect_formal_parameters. do_define handles finding the
13369 macro name. Return a DEFINITION, not a MACRODEF.
13370 (macroexpand): Replace bcopy with memcpy throughout. Replace
13371 character-at-a-time copy loop with memcpy and pointer increments.
13372 (compare-defs): d1->argnames / d2->argnames might be null.
13374 * cpplib.c (copy_rest_of_line): Delete function.
13375 (skip_rest_of_line): Do all the work ourselves.
13376 (skip_string): New function.
13377 (parse_string): Use skip_string.
13378 (get_macro_name): New function.
13379 (check_macro_name): Delete.
13380 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13381 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13382 (handle_directive): ICE if we're called on a macro buffer.
13383 (do_define): Determine macro name and type (funlike/objlike)
13384 here. Expunge all uses of MACRODEF.
13385 (cpp_push_buffer): Set line_base to NULL.
13386 (do_undef, read_line_number): Don't worry about getting a POP token.
13387 (eval_if_expression): Set/reset parsing_if_directive around
13388 cpp_parse_expr. Don't clear only_seen_white.
13389 (skip_if_group): Remove output_conditionals logic. Use
13391 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13392 tokens under appropriate conditions.
13393 (cpp_unassert): Call do_unassert not do_assert. Oops.
13395 * cppexp.c (parse_defined): New function, break out of
13397 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13398 ourselves, with cpp_defined.
13399 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13401 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13402 * gcc.dg/strpaste-2.c: New.
13404 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13406 * fold-const.c (size_binop): Don't asert inputs are the same and
13407 have TYPE_IS_SIZETYPE set.
13408 (size_diffop): Likewise.
13410 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13412 * dwarfout.c (output_block): Output abstract blocks even if they
13413 don't have TREE_ASM_WRITTEN set.
13415 * calls.c (emit_library_call): Check for null REG.
13417 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13419 * c-decl.c (current_function_decl): Move to toplev.c.
13420 (init_decl_processing): Don't add current_function_decl as a ggc
13422 * dbxout.c (dbxout_symbol): Change return type to int.
13423 (dbxout_symbol_location, dbxout_syms): Likewise.
13424 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13425 any locals. Use current_function_func_begin_label if set.
13426 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13427 * dwarf2out.c (dwarf2out_begin_prologue): Set
13428 current_function_func_begin_label.
13429 * final.c (final_start_function): Reset it.
13430 * toplev.c (current_function_decl): Define it here.
13431 (current_function_func_begin_label): New variable.
13432 (main): Add both as ggc roots.
13433 * tree.h (current_function_func_begin_label): Declare.
13435 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13437 * gcse.c: Cleanups throughout: mostly white-space, but also
13438 some minor rearrangement of code.
13440 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13442 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13443 returns a PARALLEL. Use emit_group_load and use_group_regs
13445 (emit_library_call_value): Similarly.
13447 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13448 * pa/quadlib.asm: Remove.
13449 * pa/quadlib.c: New file.
13451 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13452 * configure: Rebuilt.
13454 2000-02-29 Philip Blundell <pb@futuretv.com>
13456 * config/arm/conix-elf.h: New file.
13457 * configure.in (arm*-*-conix*): New configuration.
13458 * configure: Regenerate.
13460 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13462 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13463 don't have TREE_ASM_WRITTEN set.
13465 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13467 * Eliminate DECL_FIELD_SIZE.
13468 * builtins.c (built_in_class_names, built_in_names): New variables.
13469 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13470 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13471 DECL_SIZE, not DECL_FIELD_SIZE.
13472 * print-tree.c (print_node): Remove code that prints extra blank
13473 lines in some cases.
13474 Properly handle inline and builtin function cases.
13475 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13476 * tree.h (built_in_class_named, built_in_names): New declarations.
13477 (union tree_decl): Rename internal unions to u1 and u2 and change
13478 some of their components.
13479 Add new field built_in_class.
13480 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13481 Reflect above changes.
13482 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13483 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13484 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13485 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13487 2000-02-28 Dmitri Makarov <dim@windriver.com>
13489 * extend.texi: Document ARM's support for long/short calls.
13491 * invoke.texi: Document ARM's -mlong-calls command line switch.
13493 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13494 (arm_encode_call_attribute): Add prototype.
13495 (arm_set_default_type_attribute): Add prototype.
13496 (arm_strip_name_encoding): Add prototype.
13498 * config/arm/arm.c (arm_init_cumulative_args): replace
13499 initialisation og 'long_calls' field with initialisation of
13500 'call_cookie' field.
13501 (enum arm_pragma_enum): New enum.
13502 (arm_pragma_long_calls): New static variable.
13503 (arm_process_pragma): Also process "#pragma long_calls_off".
13504 (arm_valid_type_attribute_p): Accept short_call attribute.
13505 (arm_comp_type_attributes): Check long/short call attributes.
13506 (arm_encode_call_attribute): New function: Encode long_call
13507 or short_call attribute in function name.
13508 (arm_set_default_type_attributes): New function: Assign
13509 default attributes to newly defined type.
13510 (current_file_function_operand): New function: Return true if
13511 the symbol is a function which has already been compiled.
13512 (arm_is_longcall_p): New function: Return true if the
13513 indicated function should be called via a long call.
13514 (arm_get_strip_length): New function. Returns number of
13515 prefix characters to be stripped from a function's name.
13516 (arm_strip_name_encoding): New function. Strip prefix characters
13517 from a function's name.
13519 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13520 with 'call_cookie'.
13521 (SHORT_CALL_FAG_CHAR): Define.
13522 (LONG_CALL_FAG_CHAR): Define.
13523 (ENCODED_SHORT_CALL_ATTR_P): Define.
13524 (ENCODED_LONG_CALL_ATTR_P): Define.
13525 (ARM_NAME_ENCODING_LENGTHS): Define.
13526 (STRIP_NAME_ENCODING): Define.
13527 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13528 (ARM_ENCODE_CALL_TYPE): Define.
13529 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13530 (ARM_DECLARE_FUNCTION_SIZE): Define.
13531 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13533 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13534 if a long call is needed.
13535 (call_value): Ditto.
13536 (call_symbol): Ditto.
13538 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13539 ARM_DECLARE_FUNCTION_SIZE.
13541 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13542 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13543 (ARM_STRIP_NAME_ENCODING): Undefine.
13544 (STRIP_NAME_ENCODING): Undefine.
13545 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13546 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13547 (ASM_OUTPUT_COMMON): Ditto.
13548 (ASM_DECLARE_OBJECT_NAME): Ditto.
13550 * config/arm/pe.c (arm_dllexport_name_p): Check for
13552 (arm_dllimport_name_p): Ditto.
13553 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13554 (arm_mark_dllimport): Ditto.
13556 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13558 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13560 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13562 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13564 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13566 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13567 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13568 NO_BUILTIN_WCHAR_TYPE is not defined.
13569 (CPP_WCHAR_TYPE): Delete.
13570 * cccp.c (main): Don't change wchar_type if cplusplus.
13571 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13573 2000-02-28 Nick Clifton <nickc@cygnus.com>
13575 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13577 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13579 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13580 (ASM_WEAKEN_LABEL): Define.
13582 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13584 * expr.c (store_constructor): Do not emit USE.
13585 * rtl.h (stupid_life_analysis): Remove.
13587 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13589 * function.c (number_blocks): Reset next_block_index based on
13590 what debugging format is used, not what is defined.
13592 * lcm.c: Minor reformatting throughout.
13593 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13595 * toplev.c (rest_of_compilation): Account for time in
13596 optimize_mode_switching.
13598 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13599 if only marking labels.
13601 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13603 * calls.c (expand_call): Attempt to combine stack adjustments with
13604 pending stack adjustments.
13606 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13608 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13609 to the end of the function.
13611 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13613 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13615 * final.c (next_block_index): Remove.
13616 (max_block_depth): Likewise.
13617 (pending_blocks): Likewise.
13618 (init_final): Don't initialize them.
13619 (final_start_function): Don't set next_block_index. Set up
13621 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13622 * function.h (number_blocks): New function.
13623 * function.c (get_block_vector): New function.
13624 (identify_blocks): Use it.
13625 (reorder_blocks): Set NOTE_BLOCK.
13626 (number_blocks): New function.
13627 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13628 * tree.h (BLOCK_NUMBER): New macro.
13629 (tree_block): Add block_num field.
13630 * dbxout.c (next_block_number): Remove.
13631 (dbxout_init): Don't set it.
13632 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13633 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13635 * toplev.c (rest_of_compilation): Always call
13636 find_loop_tree_blocks. Fix indentation.
13637 * dwarf2out.c (next_block_number): Remove.
13638 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13639 to determine block numbers.
13640 (gen_inlined_subroutine_die): Likewise.
13641 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13642 (decls_for_scope): Don't increment next_block_number.
13643 * dwarfout.c (next_block_number): Remove.
13644 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13645 to determine block numbers.
13646 (output_inlined_subroutine_die): Likewise.
13647 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13648 (output_decls_for_scope): Don't increment next_block_number.
13649 * sdbout.c (next_block_number): Remove.
13650 (sdbout_block): Use BLOCK_NUMBER.
13651 (sdbout_begin_block): Simplify.
13652 * xcoffout.c (next_block_number): Remove.
13653 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13654 (xcoffout_begin_block): Don't set next_block_number.
13655 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13658 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13660 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13661 (expand_builtin_strcpy): Pass correct type to size_binop.
13662 (expand_builtin_strcmp): Likewise.
13663 Clean up conditional structure.
13664 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13665 (complete_array_type): Don't use size_binop for MAXINDEX.
13666 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13667 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13668 (c_alignof): Use size_one_node.
13669 (build_unary_op): Pass arg of proper type to size_binop.
13670 (really_start_incremental_init, push_init_level): Use sizetype for
13671 constructor{,_bit,_unfilled}_index.
13672 (pop_init_label, output_init_element): Likewise.
13673 (output_pending_init_elements, process_init_element): Likewise.
13674 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13675 * expr.c (store_expr): Use size_int.
13676 (store_constructor): Use proper types for size_binop args.
13677 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13678 (expand_expr_unaligned): Likewise.
13679 (string_contant): Return object of sizetype.
13680 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13681 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13682 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13683 * fold-const.c (int_const_binop): Refine when size_int is called.
13684 (fold_convert): Likewise.
13685 (size_int_wide): Rework to take KIND as arg, only take low order
13686 bits, handle new sizetype_tab datatype, and chain entries in
13688 (size_int_type_wide): New function.
13689 (size_binop): Validate types of arguments.
13690 (ssize_binop): Deleted.
13691 (size_diffop): New function.
13692 (extract_muldiv): Only fold division into multiplication for sizetypes.
13693 * function.c (assign_parms): Use size_diffop and make sure
13694 VAR field is of ssizetype; also pass proper type to size_binop.
13695 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13696 (round_down): Deleted from here.
13697 * store-layout.c (sizetype_tab): Now an array.
13698 (sizetype_set, early_root_list): New variables.
13699 (variable_size): Use size_one_node.
13700 (round_up): Pass proper type to size_binop.
13701 (round_down): Moved to here and corrected as above.
13702 (layout_record): Pass proper arg types to size_binop.
13703 (layout_type): Likewise.
13704 If sizetype_set is zero, record the type just laid out.
13705 (make_unsigned_type): Don't call set_sizetype;
13706 (make_signed_type): Likewise; also, call fixup_signed_type.
13707 (initialize_sizetypes): New function.
13708 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13709 set name of bitsizetype to "bit_size_type".
13710 Fix up type of sizes of all types made before call.
13711 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13712 * tree.c (fix_sizetype): Deleted.
13713 (build_common_tree_nodes): Call initialize_sizetypes.
13714 (build_common_tree_nodes_2): Don't call fix_sizetype.
13715 * tree.h (TYPE_IS_SIZETYPE): New macro.
13716 (initialize_sizetype): New declaration.
13717 (enum size_type_kind): New type.
13718 (struct sizetype_tab): Deleted.
13719 (sizetype_tab): Now array; adjust sizetype macros.
13720 (size_diffop, size_int_type_wide): New functions.
13721 (size_int_wide): Change number of args and type; access macros changed.
13722 (ssize_int, sbitsize_int): New macros.
13723 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13724 (ROUND_TYPE_SIZE_UNIT): New macro.
13726 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13728 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13730 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13732 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13733 Mark as possibly unused.
13735 * cse.c (cse_insn): Delete dead code involving tablejump.
13736 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13738 * Makefile.in (libcpp.a): Start by deleting it.
13740 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13742 * cpplib.h (enum file_change_code): Added rename_file.
13743 * cpplib.c (do_line): If a filename is given, set file_change to
13745 (output_line_command): If file_change is rename_file, always
13746 output a # directive with the file name.
13748 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13750 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13752 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13753 when copying a PARM_DECL or RESULT_DECL.
13755 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13757 * fix-header.c (recognized_function): Also fix prototypes for
13758 functions taking "void".
13760 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13762 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13763 looking at reg_reloaded_contents.
13765 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13767 * Makefile.in (STMP_FIXINC): New toggle.
13768 (LIBGCC2_DEPS): Delete all references.
13769 (stmp-headers): Delete target. All references either deleted
13770 or changed to stmp-int-headers.
13771 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13772 (LIBCPP_OBJS): Take out cppalloc.o.
13773 (cppalloc.o): Delete target.
13774 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13775 (gen-protos, fix-header): Link with libiberty.a.
13776 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13779 * configure.in: Remove refs to strerror.
13780 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13781 * system.h: Take out strerror stanza.
13783 * cpperror.c (my_strerror): Delete function.
13784 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13785 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13786 * cppalloc.c: Delete file.
13787 * gen-protos.c: Don't provide xrealloc.
13789 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13790 xstrerror throughout.
13792 2000-02-26 Bruce Korb <bkorb@gnu.org>
13794 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13795 match for DOS headers, too.
13796 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13798 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13800 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13801 is right for most ELF targets.
13802 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13803 Let the default file use %U properly.
13804 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13807 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13810 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13812 * toplev.c (documented_lang_options): Correct spelling error.
13813 (decode_d_option, decode_f_option, main): Likewise.
13815 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13817 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13818 to tell assembler it is permitted to expand large constants.
13820 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13822 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13823 (aux_info_suffix): Use.
13824 (SAVE_SUFFIX): New macro.
13825 (save_suffix): Use.
13826 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13827 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13828 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13830 * invoke.texi (Running Protoize): Update documentation.
13832 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13834 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13836 2000-02-25 John Wehle (john@feith.com)
13838 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
13840 2000-02-25 Anthony Green <green@cygnus.com>
13842 * toplev.c (rest_of_compilation): Rebuild jump labels if
13843 combine_instructions has created a new direct jump.
13844 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
13846 (combine_instructions): Call try_combine with new argument.
13847 Return non-null value when new direct jump instruction is created.
13848 * rtl.h: combine_instructions returns an int.
13850 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
13852 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
13853 jump when changing a computed jump into a jump to a known
13856 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
13858 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
13859 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
13861 * i386.md (define_expand "clrstrsi"): Fix typo.
13863 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
13865 * rtl.texi: Fix typo.
13867 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13869 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
13870 UNITS_PER_WORD. Change caller initial_elimination_offset.
13871 (rounded_frame_size): Take into account that argument pushed has
13872 changed. Fix TARGET_ALIGN_DOUBLE problem.
13874 2000-02-25 Geoff Keating <geoffk@cygnus.com>
13876 * haifa-sched.c (schedule_block): Explain the real reason
13877 we delete REG_SAVE_NOTEs on the first insn of a block.
13878 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
13880 2000-02-24 Mark Mitchell <mark@codesourcery.com>
13882 * input.h (push_srcloc): New function.
13883 (pop_srcloc): Likewise.
13884 * toplev.c (push_srcloc): Define it.
13885 (pop_srcloc): Likewise.
13887 2000-02-24 Richard Henderson <rth@cygnus.com>
13889 * flow.c (life_analysis): When collecting reg info, clear
13892 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13894 Fix bug exposed by reload.c no longer rounding the frame
13895 size to BIGGEST_ALIGNMENT:
13896 * sh.c (rounded_frame_size): New function.
13897 (sh_expand_prologue, sh_expand_epilogue): Use it.
13898 (initial_elimination_offset): Likewise.
13900 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13902 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
13903 * sh-protos.h (sh_need_epilogue): Declare.
13904 * sh.c (sh_need_epilogue_known): New static variable.
13905 (sh_need_epilogue): New function.
13906 (function_epilogue): Clear need_epilogue_known.
13907 * sh.md (return): Split into expander / insn pattern.
13908 Make the expander conditional on ! sh_need_epilogue ().
13910 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
13912 * machmode.h (get_mode_alignment): Declare.
13913 (GET_MODE_ALIGNMENT): Call it.
13914 * stor-layout.c (get_mode_alignment): New function. Make
13915 sure alignment is always power of 2.
13917 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13919 * i386.h: Remove useless definition of "I386" and misleading
13922 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13924 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
13925 under which TREE_PERMANENT will be set.
13926 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
13927 build1): Use TREE_SET_PERMANENT.
13928 * print-tree.c (print_node): Don't report value of
13929 TREE_PERMANENT if ggc_p is true.
13931 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
13932 decide whether to give a type a new alias set.
13933 * objc/objc-act.c (build_objc_string_object): Never copy the string.
13934 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
13935 of value of 'obstack'.
13938 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13940 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
13942 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13944 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
13945 * cpplib.c (cpp_get_token): Produce them.
13946 * cppexp.c (cpp_lex): Handle them.
13948 2000-02-23 Nick Clifton <nickc@cygnus.com>
13950 * config/arm/arm.c (arm_comp_type_attributes): Simply and
13951 comment tests on type attributes.
13953 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13955 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
13956 conform to documentation.
13957 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
13958 to check for special cases.
13959 * sh-protos.h (sh_loop_align): Declare.
13960 * sh.c (sh_loop_align): Define.
13962 2000-02-22 Andrew Haley <aph@cygnus.com>
13964 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
13965 (SIZE_TYPE): Is 32 bits when using -mgp32.
13966 (PTRDIFF_TYPE): Ditto.
13968 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13970 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
13972 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13974 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
13975 BIGGEST_FIELD_ALIGNMENT a constant.
13977 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
13979 * dwarf2out.c (output_line_info): Put the marker for the end of
13980 the line number info at the actual end.
13981 (gen_struct_or_union_type_die): Use decl_function_context
13982 to check for local classes.
13983 * dwarfout.c (output_type): Likewise.
13985 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
13987 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
13988 for arguments with a mode, but no type.
13989 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
13990 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
13991 * pa/long_double.h: New file.
13992 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
13993 both have 128bit wide long doubles.
13994 * configure: Rebuilt.
13996 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13998 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14000 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14001 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14002 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14004 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14006 * integrate.c (compare_blocks, find_block): Likewise.
14008 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14010 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14012 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14013 expand_asm_operands): Likewise.
14015 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14017 * predict.c (estimate_probability): Added the pointer heuristic to
14018 the collection of static branch predictors.
14020 2000-02-21 Catherine Moore <clm@cygnus.com>
14022 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14023 * invoke.texi (-mfix7000): Document.
14025 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14027 * diagnostic.c (init_output_buffer): Make it possible to output at
14028 least 32 characters if we're given a too long prefix.
14030 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14032 * varasm.c (initializer_constant_valid_p): Call
14033 lang_expand_constant to simplify the constant.
14035 2000-02-20 Bruce Korb <bkorb@gnu.org>
14037 * fixinc/inclhack.def(stdio_va_list):
14038 typedef needs to be disabled.
14039 * fixinc/inclhack.sh: regen
14040 * fixinc/fixincl.x: regen
14042 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14044 * print-rtl.c (print_rtx): Don't print addresses when
14045 flag_dump_unnumbered.
14047 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14049 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14051 (sparc_va_arg, sparc_flat_output_function_prologue,
14052 sparc_flat_output_function_epilogue): Cast value to unsigned in
14054 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14056 * sparc.md: Add default case in switch.
14058 2000-02-19 Richard Henderson <rth@cygnus.com>
14060 * c-typeck.c (add_pending_init): Don't abort for multiple
14061 fields at the same offset.
14062 (pending_init_member): Test the correct member.
14064 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14066 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14068 (start_catch_handler) : Same.
14070 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14072 * Makefile.in: Have flow.o depend on $(EXPR_H)
14074 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14076 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14077 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14078 (finish_decl): Remove -Wlarger-than code from here.
14079 * flags.h (id_clash_len): Now int.
14080 (larger_than_size): Now HOST_WIDE_INT.
14081 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14082 Clean up checking to see if in table.
14083 (make_bit_field_ref): Remove extra parm to bitsize_int.
14084 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14085 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14086 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14087 and for computing size of decl.
14088 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14089 Move -Wlarger-than code to here.
14090 (layout_record): Remove extra arg to bitsize_int.
14091 Set TYPE_BINFO_SIZE_UNIT.
14092 (layout_union): Remove extra arg to bitsize_int.
14093 Use proper type for size of QUAL_UNION.
14094 (layout_type): Remove extra arg to bitsize_int.
14095 * toplev.c (id_clash_len): Now int.
14096 (larger_than_size): Now HOST_WIDE_INT.
14097 (decode_W_option): Clean up id-clash and larger-than- cases.
14098 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14099 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14100 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14101 (struct tree_decl): New field size_unit.
14102 (size_int_wide): No HIGH operand; NUMBER is now signed.
14103 (size_int_2): Deleted.
14104 (size_int, bitsize_int): Don't use it and rework args.
14105 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14107 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14109 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14111 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14113 * invoke.texi (Warning Options): Add an explanation of why
14114 you might want the -Wfloat-equal flag.
14116 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14118 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14119 * cppinit.c (new_pending_define): Add cast to avoid warning.
14120 * expmed.c (extract_bit_field): Likewise.
14121 * flow.c (enum reorder_skip_type): New type.
14122 (skip_insns_between_blcok): New it.
14123 Rework to avoid warning about possibly undefined variable.
14124 * function.c (assign_parms): Make thisparm_boundary unsigned.
14125 * genrecog.c (write_switch): Cast XWINT result to int.
14126 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14127 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14128 one for MIPS and one for Alpha.
14129 (get_tag, copy_object): Add casts to avoid warnings.
14130 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14131 * reload.c (find_reloads): Make TYPE enum reload_type.
14132 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14133 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14134 * varasm.c (compare_constant_1): Add cast to avoid warning.
14135 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14137 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14138 Cast switch operand of size to int.
14139 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14140 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14143 2000-02-18 Nick Clifton <nickc@cygnus.com>
14145 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14146 anything for an alignment of zero.
14148 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14149 anything for an alignment of zero.
14151 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14153 * gcc.texi (Bug Reporting): Refer to bugs.html.
14154 (Bug Lists): Likewise.
14155 * system.h (GCCBUGURL): New preprocessor define.
14156 * rtl.c (fancy_abort): Use it.
14157 * gcc.c (main): Likewise.
14159 2000-02-18 Richard Henderson <rth@cygnus.com>
14161 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14162 (life_analysis_1): Subsume into ...
14163 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14164 Use update_life_info for the relaxation.
14165 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14166 entry and regs_live_at_setjmp.
14167 (set_noop_p): Simplify.
14168 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14169 (record_volatile_insns): Split into ...
14170 (delete_noop_moves): ... here,
14171 (notice_stack_pointer_modification): ... here,
14172 (insn_dead_p): ... and here.
14173 (propagate_block): Don't query INSN_VOLATILE.
14174 (mark_used_regs): Mind !PROP_REG_INFO.
14175 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14176 not in life_analysis.
14178 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14180 * loop.c (canonicalize_condition): New function,
14181 broken out of get_condition.
14182 (get_condition): Use it.
14183 * expr.h (canonicalize_condition): Prototype it.
14185 * tree.h (tree_int_cst_msb): Declare.
14186 * tree.c (tree_int_cst_msb): New function.
14188 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14190 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14193 * invoke.texi (-fmessage-length=n): Document.
14195 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14197 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14199 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14201 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14202 after the prologue.
14204 2000-02-17 Nick Clifton <nickc@cygnus.com>
14206 * config/arm/thumb.c: Replace includes of system headers with
14207 #include "system.h".
14209 2000-02-16 Richard Henderson <rth@cygnus.com>
14211 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14212 Add crtbeginS.o and crtendS.o.
14213 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14214 (ENDFILE_SPEC): Use crtendS.o.
14215 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14217 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14218 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14219 shared and present.
14220 (__dso_handle): New variable.
14221 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14222 bias to __CTOR_END__.
14224 2000-02-16 Richard Henderson <rth@cygnus.com>
14226 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14228 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14230 * longlong.h (__clz_tab): Declare as static to match definition.
14232 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14234 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14235 (XREF_FILE_NAME): Define.
14237 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14238 (EH_FRAME_SECTION_ASM_OP): Define.
14239 (IDENT_ASM_OP): Define.
14240 (TEXT_SECTION_ASM_OP): Define.
14241 (CPP_SPEC): Define.
14242 (CTORS_SECTION_ASM_OP): Define.
14243 (CTOR_SECTION_FUNCTION): Use it.
14244 (DTORS_SECTION_ASM_OP): Define.
14245 (DTOR_SECTION_FUNCTION): Use it.
14247 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14249 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14252 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14253 debug_bb_n): New functions.
14254 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14255 * basic-block.h: Prototype new functions.
14257 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14259 * configure.in: Add support for avr target.
14260 * configure: Rebuilt.
14262 * invoke.texi: Add AVR invocation docs.
14263 * install.texi: Add information about AVR.
14264 * md.texi: Add AVR constraint letters description.
14265 * extend.texi: Add description for AVR specific attributes.
14267 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14269 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14271 2000-02-16 Nick Clifton <nickc@cygnus.com>
14273 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14274 (make_insn_raw): Move RTL check here.
14276 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14278 * version.c: Include gansidecl.h and version.h.
14280 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14282 * configure.in (gcc_version): When setting, narrow search to
14283 lines containing `version_string'.
14285 * Makefile.in (mainversion): Likewise.
14286 (GCC_H): New variable.
14287 (gcc.h): Delete target.
14288 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14289 (version.o): Depend on version.h.
14290 (dbxout.o): Don't depend on gcc.h.
14292 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14293 Michael Meissner <meissner@cygnus.com>
14295 * md.texi (Simple Constraints): Add item about whitespace.
14296 * genoutput.c (strip_whitespace): New.
14297 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14298 strip_whitespace for constraints.
14299 Test pointer using NULL, not 0.
14301 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14303 * cpplib.c (do_line): Pedwarn for #line > 32767.
14305 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14307 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14309 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14310 to default cpp spec.
14311 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14312 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14315 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14318 2000-02-15 Denis Chertykov <denisc@overta.ru>
14320 * configure.in: Add support for avr target.
14322 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14324 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14325 (sh_addr_diff_vec_mode): Don't declare.
14326 * sh.c (sh_addr_diff_vec_mode): Delete.
14328 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14330 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14332 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14334 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14335 (smulsi3_highpart_i): Name.
14336 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14337 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14338 (smulsi3_highpart, umulsi3_highpart): Likewise.
14340 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14341 correctly independent of endianness.
14342 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14343 confuse the optimizers.
14344 (mulsidi3+1, umulsidi3+1): New define_split.
14346 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14348 * config/sh/sh.md: Guard insn splits against illegal registers.
14349 * config/sh/sh.h: Correct comment about macros.
14351 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14352 Andrew MacLeod <amacleod@cygnus.com>
14354 * Makefile.in (lcm.o): Depend on insn-attr.h.
14355 * basic-block.h (optimize_mode_switching): Declare.
14356 * lcm.c (tm_p.h, insn-attr.h): #include.
14357 (seginfo, bb_info): New structs.
14358 (antic, transp, comp, delete, insert) : New file-scope static variables.
14359 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14360 (reg_becomes_live, optimize_mode_switching): Likewise.
14361 * tm.texi: Add description of mode switching macros.
14362 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14364 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14365 (fldi_ok, fpscr_set_from_mem): New prototypes.
14366 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14367 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14368 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14369 (sh_flag_remove_dead_before_cse): Remove declaration.
14370 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14371 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14372 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14373 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14374 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14375 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14376 (fldi_ok): New function.
14377 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14378 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14379 (emit_df_insn): Likewise.
14380 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14381 (sh_flag_remove_dead_before_cse): Delete.
14382 (get_free_reg, fpscr_set_from_mem): New functions.
14383 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14384 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14386 2000-02-15 Loren Rittle <ljrittle@acm.org>
14388 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14390 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14392 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14393 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14395 * cccp.c: Include version.h and/or don't declare `version_string'.
14396 * collect2.c: Likewise.
14397 * alpha.c: Likewise.
14398 * arm/aof.h: Likewise.
14399 * arm/coff.h: Likewise.
14400 * arm/elf.h: Likewise.
14401 * arm/pe.h: Likewise.
14402 * arm/tcoff.h: Likewise.
14403 * arm/telf.h: Likewise.
14404 * arm/tpe.h: Likewise.
14405 * arm/vxarm.h: Likewise.
14406 * convex/convex.c: Likewise.
14407 * i386/dgux.c: Likewise.
14408 * i386/sun386.h: Likewise.
14409 * m88k/m88k.c: Likewise.
14410 * mcore/mcore-pe.h: Likewise.
14411 * mips/mips.h: Likewise.
14412 * romp/romp.h: Likewise.
14413 * sh/sh.c: Likewise.
14414 * cpphash.c: Likewise.
14415 * cppinit.c: Likewise.
14416 * dwarf2out.c: Likewise.
14417 * dwarfout.c: Likewise.
14420 * mips-tfile.c: Likewise.
14421 * protoize.c: Likewise.
14422 * toplev.c: Likewise.
14423 * tree.h: Likewise.
14425 * version.c (version_string): Constify a char*.
14427 * version.h: New file.
14429 2000-02-14 Nick Clifton <nickc@cygnus.com>
14431 * configure.in: Add mcore-elf and mcore-pe targets.
14432 * configure: Regenerate.
14434 * NEWS: Add note that MCore port has been contributed.
14436 * invoke.texi: Document command line switches for MCore port.
14437 * install.texi: Add MCore to list of supported targets.
14439 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14441 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14442 then we will need to import the frame handling functions.
14443 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14444 to import the frames themselves.
14446 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14447 Jason Eckhardt <jle@cygnus.com>
14449 * basic_block.h: Added prototype for reorder_basic_blocks.
14450 * toplev.c: Changes to add -freorder-blocks and graph dump after
14451 block reordering is done.
14452 * flow.c (reorder_block_def): New structure for use during block
14454 (REORDER_BLOCK_*): New macros to access members of above structure.
14455 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14456 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14457 functions for block reordering.
14459 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14461 * gcc.texi (Passes): Fix typo.
14462 * md.texi (Standard Names): Ditto.
14463 * tm.texi (Storage Layout): Ditto.
14465 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14467 * cpplib.c (do_define): Only free the old definition if it
14470 2000-02-13 Neil Booth <NeilB@earthling.net>
14472 * cppfiles.c (read_and_prescan): When emitting deferred
14473 newlines, test speccase[] again instead of checking each
14474 possible whitespace character in turn. When we encounter \r,
14475 look behind for \n first, then ahead.
14477 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14479 * cse.c (cse_altered): New internal flag.
14480 (cse_insn): Set it if we changed an insn.
14481 (cse_main): Clear cse_altered before each basic block.
14482 Only garbage collect if cse_altered is true afterward.
14484 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14486 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14488 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14490 * combine.c (simplify_comparison): Fix typo.
14492 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14494 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14497 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14499 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14500 previously inserted node instead of root node. Caller changed.
14502 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14504 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14506 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14508 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14509 __dereg_frame_dtor): Add prototype argument.
14511 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14513 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14515 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14517 * gthr-vxworks.h (__gthread_once): Likewise.
14519 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14521 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14523 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14524 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14525 stack pointer in functions w/o saved registers, output LEAVE more often
14526 on TARGET_USE_LEAVE machines.
14528 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14530 * config/arm/arm.c (arm_init_cumulative_args); New function:
14531 Initlaise the CUMULATIE_ARGS strcuture for a function
14533 (arm_function_arg): New function: Determine where to place a
14534 function's argument. Also handles deciding the function's
14536 (current_file_function_operand): New function: Return true if
14537 the symbol is a function which has already been compiled.
14538 (arm_is_long_call_p): New function: Return true if the
14539 indicated function should be called via a long call.
14540 (arm_valid_type_attribute_p): New function: Return true if the
14541 attribute is a valid, arm specific, attribute.
14542 (arm_comp_type_attribute): New function: Return true if the
14543 two types have compatable, arm specific, attributes.
14545 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14547 (FUNCTION_ARG): Redefine to call arm_function_arg.
14548 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14550 (INIT_CUMULATIVE_ARGS): Redefine to call
14551 arm_init_cumulative_args.
14552 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14554 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14556 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14558 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14559 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14560 (COMP_TYPE_ATTRIBUTES): Define.
14562 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14563 if a long call is needed.
14564 (call_value): Call arm_is_long_call_p to decide if a long call
14566 (call_symbol): Call arm_is_long_call_p to decide if a long call
14569 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14571 2000-02-11 Denis Chertykov <denisc@overta.ru>
14573 * README.AVR: New file with information about the avr ports.
14574 * config/avr: New directory with avr port files.
14576 2000-02-11 Andreas Jaeger <aj@suse.de>
14578 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14580 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14582 * cpphash.c: Fix formatting, update commentary.
14583 (dump_definition): Take three separate arguments instead of a
14584 MACRODEF structure argument.
14585 * cpphash.h: Update prototype of dump_definition.
14586 * cppinit.c (cpp_finish): Update call of dump_definition.
14588 * cpplib.c (do_define): Always create new hash entry with
14589 T_MACRO type. Remove redundant check for redefinition of
14590 poisoned identifier. Update call of dump_definition.
14591 (do_undef): Don't call check_macro_name. Rename sym_length to
14593 (do_error, do_warning): Don't use copy_rest_of_line or
14595 (do_warning): Don't use pedwarn for the actual warning,
14596 only the notice about its not being in the standard. (Fixes
14597 bug with #warning in system headers.)
14598 (do_ident): Stricter argument checking - accept only a single
14599 string after #ident. Also, macro-expand the line.
14600 (do_xifdef): Use cpp_defined. De-obfuscate.
14602 (do_pragma): Split out specific pragma handling to separate
14603 functions. Use get_directive_token. Update commentary. Do
14604 not pass on #pragma once or #pragma poison to the front end.
14605 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14606 do_pragma_default): New.
14608 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14610 * jump.c (jump_optimize_1): The first operand in a relational
14611 can be a CONST_INT.
14612 * optabs.c (emit_conditional_move): Handle relationals which
14613 have a known true/false result.
14615 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14617 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14618 a RETURN insn into a block which already ends with a jump.
14620 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14622 * haifa-sched.c (BUF_LEN): Increase a lot.
14624 2000-02-11 Nick Clifton <nickc@cygnus.com>
14626 * configure.in: Add tm_p_file specification for thumb targets.
14627 * configure: Regenerate.
14629 * config/arm/thumb-protos.h: New file: Prototypes for exported
14630 functions defined in thumb.c.
14632 2000-02-11 Robert Lipe <robertl@sco.com>
14634 * Makefile.in (bootstrap-lean): Remove additional files.
14635 (bootstrap2-lean): Likewise.
14636 (VOL_FILES): List of files for above.
14638 2000-02-11 Nathan Sidwell <nathan@acm.org>
14640 * cpphash.c (special_symbol): Remove spurious argument to
14643 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14645 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14647 * configure: Rebuilt.
14649 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14651 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14653 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14655 * pa.c, pa.h: Remove trigraph sequences within comments.
14657 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14659 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14661 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14663 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14665 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14667 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14669 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14671 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14672 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14673 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14674 (ASM_FILE_END): Use c4x_file_end.
14675 * config/c4x/c4x.c (c4x_global_label): New function.
14676 (c4x_external_ref, c4x_file_end): Likewise.
14678 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14679 (c4x_external_ref, c4x_end_file): Likewise.
14681 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14683 * cppexp.c: Don't include cpphash.h.
14684 (parse_charconst, cpp_lex): Use cpp_defined.
14685 (cpp_lex): Use get_directive_token throughout. Remove
14686 unnecessary cases from switch. Move assertion-handling code
14687 down to OTHER case.
14688 (cpp_parse_expr): If we see '+' or '-', check the context to
14689 determine if they are unary or binary operators. Streamline
14690 the jumps a bit. Do not call skip_rest_of_line.
14692 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14693 static. Export get_directive_token. Update commentary.
14694 (cpp_defined): New function.
14695 (do_define): Remove reference to T_PCSTRING. Call
14696 free_definition to release memory for old definition, when
14697 redefining a macro.
14698 (eval_if_expression): Set only_seen_white to 0 before calling
14699 cpp_parse_expr. Call skip_rest_of_line after it returns.
14700 (cpp_read_check_assertion): Don't preserve a pointer into the
14701 token buffer across a call to cpp_get_token.
14703 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14704 * cppfiles.c (redundant_include_p): Use cpp_defined.
14705 * cpphash.c (free_definition): New function.
14706 (delete_macro): Use it. Update commentary.
14707 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14709 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14710 from enum node_type. Prototype cpp_defined and get_directive_token.
14711 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14713 * fix-header.c (check_macro_names): Use cpp_defined.
14714 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14715 the options structure.
14717 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14719 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14721 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14723 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14724 rather than die->die_tag.
14726 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14728 * combine.c (make_extraction, force_to_mode): Avoid warning on
14729 mixed-signedness conditionals.
14730 (make_field_assignment, nonzero_bits): Likewise.
14731 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14732 (store_split_bit_field, extract_split_bit_field): Likewise.
14733 (extract_fixed_bit_field, store_bit_field,
14734 * expr.c: Change alignment to be unsigned everywhere.
14735 (move_by_pieces, store_constructor_field, store_constructor):
14736 Alignment parm is unsigned.
14737 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14738 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14739 (do_compare_rtx_and_jump): Likewise.
14740 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14741 Compare align with GET_MODE_ALIGNMENT.
14742 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14743 (get_inner_reference): Likewise.
14744 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14745 (expand_assignment): Local vars for alignment now unsigned.
14746 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14747 (do_compare_and_jump): Likewise.
14748 (store_field): Call new function expr_align.
14749 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14750 Alignment arg now unsigned.
14751 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14752 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14753 (extract_bit_field): Likewise.
14754 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14755 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14756 (get_best_mode): Alignment arg is unsigned.
14757 * rtl.h (move_by_pieces): Likewise.
14758 * store-layout.c (maximum_field_alignment, set_alignment):
14760 (layout_decl): Alignment arg is now unsigned.
14761 Remove unneeded casts.
14762 (layout_record, layout_union, layout_type): Remove unneeded casts.
14763 Local alignment variables now unsigned.
14764 (get_best_mode): Alignment arg now unsigned.
14765 * tree.c (expr_align): New function.
14766 * tree.h (expr_align): Likewise.
14767 (maximum_field_alignment, set_alignment): Now unsigned.
14768 (get_inner_reference): Alignment argument is now pointer to unsigned.
14769 * varasm.c (assemble_variable): Add cast to eliminate warning.
14771 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14773 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14774 then store directly into op0.
14776 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14777 the CALL_INSN, and emit the note immediately after it.
14779 2000-02-10 Nick Clifton <nickc@cygnus.com>
14781 * config/arm/thumb.md (epilogue): Include a (return) in the
14782 generated insn, and emit it using emit_jump_insn not
14785 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14787 * function.c (assign_temp): Change zero-sized arrays to size 1.
14788 * integrate.c (expand_inline_function): Do not update
14789 stack_alignment_needed
14790 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14791 add some sanity checking, remove optimization for function with
14794 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14796 * flow.c (mark_regs_live_at_end): Delete unused variables.
14798 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14800 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14801 in macro FRAME_GROWS_DOWNWARD.
14803 * stmt.c (expand_end_bindings): Delete unused variable.
14805 * unroll.c (iteration_info): Mark parameter `loop' with
14808 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14810 * fixinc/server.c (load_data): Return NULL if the marker line is
14812 (run_shell): If load_data returns NULL, retry the command once, in
14815 * configure: Rebuilt.
14817 2000-02-09 Bruce Korb <bkorb@gnu.org>
14819 * gcc/fixincludes: ** DELETED **
14820 * gcc/fixcpp: ** DELETED **
14821 * gcc/fixinc-nt.sed: ** DELETED **
14822 * gcc/just-fixinc: ** DELETED **
14823 * gcc/Makefile.in: Removed out-dated commentary
14824 * gcc/configure.in: Removed fast-fixincludes disablement.
14825 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14827 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14828 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14831 2000-02-09 Richard Henderson <rth@cygnus.com>
14833 * jump.c (delete_insn): Don't delete user labels at -O0.
14835 2000-02-09 Robert Lipe <robertl@sco.com>
14837 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
14838 Don't link with HOST_LIBS.
14840 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14842 * configure.in: Correct --help text for --with-dwarf2.
14843 Put tm-dwarf2.h after other tm files, if it's requested.
14844 * configure: Regenerate.
14845 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
14848 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14850 * cpplib.h: Provide HASHNODE typedef and forward decl of
14851 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
14852 DEFINITION, struct hashnode, struct macrodef, struct
14853 definition, scan_decls prototype, default defn of
14854 INCLUDE_LEN_FUDGE moved elsewhere.
14856 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
14857 definition, and struct hashnode moved here. Remove the unused
14858 'predefined' field from struct definition. Replace the 'args'
14859 union with its sole member. All users updated (cpphash.c).
14860 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
14861 multiple include guard.
14863 * cpphash.c (hashf): Make static; use better algorithm; drop
14864 HASHSIZE parameter; return an unsigned int.
14865 (cpp_lookup): Drop HASH parameter. PFILE parameter is
14866 used. Calculate HASHSIZE modulus here.
14867 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
14869 (create_definition): Drop PREDEFINITION parameter.
14870 * cpplib.c (do_define): Don't calculate a hash value here.
14871 Don't pass (keyword == NULL) to create_definition.
14873 * scan.h: Prototype scan_decls here.
14874 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
14875 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
14876 callers of cpp_lookup and cpp_install updated.
14878 * cpphash.c (macarg): Hoist all the flag diddling out of the
14880 (macroexpand): ... and out of the loop that calls macarg.
14881 Skip over the initial paren before macro arguments with
14882 cpp_get_non_space_token; point may be some distance before
14883 that paren. Abort if it's not there.
14885 * cpplib.c (parse_clear_mark): Delete function.
14886 (parse_set_mark, parse_goto_mark): Make static.
14887 (ACTIVE_MARK_P): New macro.
14888 (skip_block_comment, skip_line_comment): Do not bump the line
14889 if ACTIVE_MARK_P is true.
14890 (cpp_pop_buffer): The buffer to be popped may not have an
14892 (cpp_get_token): When looking for the initial paren before
14893 macro arguments, only set a mark in a file buffer, Always
14894 return to that mark before proceeding to call macroexpand or
14895 return a NAME token.
14897 * cpplib.h: Remove prototypes of parse_set_mark,
14898 parse_clear_mark, parse_goto_mark.
14899 (struct cpp_options): Rename 'put_out_comments' to
14900 'discard_comments' and invert its sense.
14901 * cppinit.c, cpphash.c, cpplib.c: All users of
14902 put_out_comments changed to use discard_comments, with
14905 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14907 * function.c (thread_prologue_and_epilogue_insns): Don't delete
14908 the edge from a block that both jumps and falls through to the
14911 2000-02-09 Scott Bambrough <scottb@netwinder.org>
14913 * config/arm/arm.md (movsi): In PIC mode, make sure that a
14914 constant source address is legitimate.
14916 2000-02-09 Philip Blundell <pb@futuretv.com>
14918 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
14921 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
14923 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
14925 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14927 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
14928 ends with a newline and a NUL. Don't be so clever manipulating
14931 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
14933 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
14934 not to BIGGEST_ALIGNMENT.
14936 2000-02-08 Geoff Keating <geoffk@cygnus.com>
14938 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
14939 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
14940 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
14941 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
14942 * frame.c (execute_cfa_insn): Handle
14943 DW_CFA_GNU_negative_offset_extended.
14945 2000-02-08 Richard Henderson <rth@cygnus.com>
14947 * flow.c (tidy_fallthru_edges): Split out from ...
14948 (delete_unreachable_blocks): ... here.
14949 (find_basic_blocks): Use it.
14951 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14953 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
14955 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
14957 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
14958 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
14959 (fix-header.o): Don't depend on cpphash.h.
14961 * scan.c (hashstr): New function.
14962 * scan.h: Prototype it.
14963 * fix-header.c: Don't include cpphash.h. Use hashstr.
14964 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
14965 hashstr. Report hash table statistics. Add private
14966 definition of xrealloc.
14968 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14970 * i386.h (TARGET_SWITCHES): Fix typo in option name.
14972 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
14974 * function.c (thread_prologue_and_epilogue_insns): Don't replace
14975 jumps with returns unless they are jumps to the fallthru block.
14977 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
14979 * i386.md (addqi3_cc): Fix contraints.
14981 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14983 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
14985 2000-02-07 Mark Mitchell <mark@codesourcery.com>
14987 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
14988 carriage return after a macro name.
14990 2000-02-07 Fred Fish <fnf@be.com>
14992 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
14993 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
14995 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
14997 * cppfiles.c (deps_output): Count spacers in deps_column.
14999 2000-02-07 Neil Booth <NeilB@earthling.net>
15001 * cppinit.c (initialize_dependency_output): If there is no
15002 suffix, don't try to look for known suffixes. Use strrchr.
15003 (cpp_start_read): Remove duplicate initialization.
15005 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15007 * calls.c (compute_argument_block_size): New argument
15008 preferred_stack_boundary.
15009 (expand_call): update cfun->preferred_stack_boundary, update call of
15010 compute_argument_block_size
15011 (emit_library_call): Increate cfun->preferred_stack_boundary
15012 to PREFERRED_STACK_BOUNDARY
15013 (emit_library_call_value): Likewise.
15014 * explow.c (allocate_dynamic_stack_spave): Likewise.
15015 * function.c (prepare_function_start): Set
15016 cfun->preferred_stack_boundary
15017 * function.h (struct function): Add preferred_stack_boundary field.
15018 * integrate.c (expand_inline_function): Update
15019 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15020 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15021 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15023 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15025 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15026 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15027 cpp_pedwarn, cpp_pedwarn_with_line,
15028 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15029 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15030 v_cpp_error_with_line, v_cpp_warning_with_line,
15031 cpp_message_from_errno, cpp_perror_with_name): Delete.
15033 * cpperror.c (cpp_print_containing_files): Take starting
15034 buffer as argument.
15035 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15036 (v_cpp_message): Now called directly by all entry points.
15038 (cpp_pfatal_with_name, cpp_message): Delete.
15039 (cpp_notice_from_errno, cpp_ice): New functions.
15040 (cpp_notice): Is now for reporting error conditions, just
15041 without an associated file.
15042 (cpp_error, cpp_error_with_line): Don't do anything if
15043 opts->inhibit_errors is on.
15044 (cpp_pedwarn_with_file_and_line): Take column argument also.
15046 * cpplib.h: Update prototypes of exported functions.
15047 (struct cpp_options): Add inhibit_errors.
15049 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15050 non-error messages. Include intl.h.
15052 * cppinit.c, cppmain.c: Likewise. Also, use
15053 cpp_notice_from_errno instead of cpp_perror_with_name or
15054 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15056 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15057 report internal errors.
15059 * cpplib.c (do_define): Switch bcopy to memcpy.
15060 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15062 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15063 bail out early if we hit a line comment.
15065 2000-02-06 Richard Henderson <rth@cygnus.com>
15067 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15068 * basic-block.h: Declare them.
15069 * emit-rtl.h (active_insn_p): New.
15070 (next_active_insn, prev_active_insn): Use it.
15071 * rtl.h: Declare it.
15072 * function.c (emit_return_into_block): New.
15073 (thread_prologue_and_epilogue_insns): Insert return insns instead
15074 of epilogues when possible.
15075 * jump.c (jump_optimize_1): Remove code to insert a return insn
15076 on the fallthru to the exit block.
15078 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15079 and for non-empty stack frames.
15080 * i386.md (return): Expand to return-pop as needed.
15082 2000-02-06 Richard Henderson <rth@cygnus.com>
15084 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15085 constant to op1 for testing.
15087 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15089 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15090 (fixuns_truncqfqi2): Use it.
15092 2000-02-06 Richard Henderson <rth@cygnus.com>
15094 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15095 as a TYPE_LEA insn.
15097 * i386.md (widening and peepholes): Mask the constant instead of
15100 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15102 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15103 input pointer before possibly branching off to the backslash
15105 * cpphash.c (macroexpand): Correctly delete \r escapes when
15106 stringifying parameters.
15107 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15108 if we can; bail out early if we hit a line comment.
15109 (handle_directive): Treat '# 123' in an .S file just like
15110 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15111 Return 1 for '# not_a_directive'.
15112 (get_directive_token): Pop macro buffers here, so that
15113 cpp_get_token can't sneakily move past a newline.
15115 (cpp_get_token): goto randomchar if handle_directive returns 0.
15117 * cppalloc.c: Update copyright.
15118 * cpplib.c: Merge all the static function prototypes into one
15120 * cpplib.h: Remove #if 0 block.
15122 * cpperror.c: Remove #ifdef EMACS block.
15123 * cppmain.c: Likewise.
15124 * cpphash.c: Remove #if 0 blocks.
15125 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15126 * cpplib.c: Remove #if 0 blocks and code referencing
15127 pcp_inside_if or for_lint. Remove duplicate error message.
15128 Fix error messages for #else after #else or #elif. Reformat.
15129 Remove archaic TODO list.
15130 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15132 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15134 * i386/osf1elf.h: Add missing backslash to multiline string.
15136 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15138 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15140 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15142 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15144 * c-common.c: Include expr.h.
15146 * c-pragma.c (mark_align_stack): Add prototype.
15148 * caller-save.c (add_stored_regs): Likewise.
15150 * combine.c (record_promoted_value): Likewise.
15152 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15155 * cppinit.c (new_pending_define): Likewise.
15157 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15159 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15160 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15161 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15162 class_scope_p): Likewise.
15164 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15165 dwarf2out_add_library_unit_info): Likewise.
15167 * ggc.h (ggc_page_print_statistics): Likewise.
15169 * haifa-sched.c (propagate_deps): Likewise.
15171 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15173 * rtl.h (set_stack_check_libfunc): Likewise.
15175 * toplev.h (set_fatal_function): Likewise.
15177 * toplev.c (set_fatal_function): Delete prototype.
15179 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15181 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15183 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15184 (FUNC_END): Likewise.
15186 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15188 * caller-save.c: Include tm_p.h.
15190 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15192 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15194 2000-02-04 Neil Booth <NeilB@earthling.net>
15196 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15199 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15201 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15202 * genflags.c: Use the max_operand_1 logic from genemit.c to
15203 calculate how many arguments gen_insn prototypes have. Remove
15204 NO_MD_PROTOTYPES ifdefs from the generated file.
15205 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15206 file. Cast gen_insn initializers to insn_gen_fn.
15207 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15208 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15210 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15212 * fixinc/Makefile.in (HDR): Add machname.h.
15215 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15217 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15218 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15219 (c4x_cpu_version): Ditto.
15220 * config/c4x/c4x-protos.h: ... here.
15222 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15224 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15225 gen_abstract_function on our context if we're a nested function.
15227 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15229 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15230 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15232 2000-02-04 Bruce Korb <bkorb@gnu.org>
15234 * fixinc/genfixes(machname.h):
15235 Move the functionality from gen-machine.h into this file.
15236 UNdef MN_NAME_PAT if there are no names to change.
15237 Also, be a little kinder when AutoGen is not present.
15239 * fixinc/Makefile.in(machname.h):
15240 Change the generation rule to use genfixes.
15242 * fixinc/fixfixes.c(machine_name):
15243 machine_name_fix's functionality now dependent upon whether
15244 MN_NAME_PAT is defined.
15246 * fixinc/fixtests.c(machine_name):
15249 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15252 * fixinc/fixlib.h(mn_get_regexps):
15255 * fixinc/gen-machine.h: DELETED
15257 2000-02-04 Jan Hubicka <jh@suse.cz>
15258 Richard Henderson <rth@cygnus.com>
15260 * i386.c (SAVE_REGS_FIRST): Remove.
15261 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15262 (ix86_compute_frame_size): Likewise.
15263 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15264 (ix86_emit_restore_regs): Remove.
15265 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15266 when a frame pointer is in use.
15267 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15268 instead of pop to restore a register when profitable; emit leave
15270 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15271 as a TYPE_LEA insn.
15272 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15273 * i386.md (prologue_allocate_stack): Remove.
15274 (epilogue_deallocate_stack): Remove.
15275 (pro_epilogue_adjust_stack): New.
15277 2000-02-04 Richard Henderson <rth@cygnus.com>
15279 * function.c (diddle_return_value): Rework to use a callback function.
15280 Use current_function_return_rtx if it's been set up.
15281 (do_clobber_return_reg, clobber_return_register): New.
15282 (do_use_return_reg, use_return_register): New.
15283 (expand_function_end): Use them.
15284 * stmt.c (expand_null_return): Likewise.
15285 * function.h: Declare them.
15286 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15287 (mark_reg): Change arguments as appropriate for callback.
15288 * integrate.c (expand_inline_function): Revert 19 Jan change.
15290 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15292 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15293 (Misc): Say the scheduler, not the Haifa scheduler.
15295 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15297 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15298 when in_mem is set. Update all callers.
15300 2000-02-04 Richard Henderson <rth@cygnus.com>
15302 * i386/openbsd.h (INT_ASM_OP): Define.
15304 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15306 * tm.texi: Fix various typos.
15308 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15310 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15311 (MD_STARTFILE_PREFIX_1): New macro.
15313 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15315 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15316 destination when needed.
15317 (strmovsi, strsetsi): New expander.
15318 (strmovsi_1, strsetsi_1): New pattern.
15319 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15320 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15321 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15322 * invoke.texi (align-stringops, inline-all-stringops): Document.
15324 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15326 * i386/netbsd.h (INT_ASM_OP): Define.
15328 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15330 * cpplib.h (cpp_reader): Add new flag, no_directives.
15331 * cpphash.c (macarg): Set it.
15332 * cpplib.c (handle_directive): If no_directives is on and we
15333 find a directive, issue an error and discard the line.
15335 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15337 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15338 FP constants. Add ! TARGET_FPU check for FP constants.
15340 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15342 * flow.c (find_basic_blocks): Don't kill label_value_list
15344 (cleanup_cfg): Kill it here.
15346 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15348 * expr.c (store_field): Ensure ALIGN is no stricter than the
15351 2000-02-02 Richard Henderson <rth@cygnus.com>
15353 * jump.c (delete_insn): Partially revert 19 Jan change;
15354 don't convert unused code labels to notes at -O0.
15356 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15358 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15359 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15361 2000-02-01 Richard Henderson <rth@cygnus.com>
15363 * i386.c (general_no_elim_operand): New.
15364 (nonmemory_no_elim_operand): New.
15365 (ix86_expand_move): Copy eliminable operands before a push.
15366 * i386-protos.h: Declare new functions.
15367 * i386.h (CAN_ELIMINATE): Simplify.
15368 (PREDICATE_CODES): Update.
15369 * i386.md (push insns): Don't allow eliminable register operands.
15371 2000-02-01 Richard Henderson <rth@cygnus.com>
15373 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15374 replace BLKmode with DECL_RTL's mode.
15376 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15378 * frame.c (find_fde): Convert for loop to do-while so compiler
15379 sees it's always executed at least once.
15380 * libgcc2.c (BBINBUFSIZE): Kill.
15381 (__bb_init_prg): Use fgets.
15382 (__bb_exit_trace_func): Don't paste strings.
15383 * unroll.c (unroll_loop): Initialize unroll_type, not
15384 unroll_number, and tweak logic to match.
15386 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15388 (ix86_flags_dependant): Likewise. Disentangle control flow.
15389 (ix86_sched_reorder): Break guts out to
15390 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15391 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15394 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15395 use string concatenation. Don't save and restore esi.
15397 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15398 (machname.h): Remove script to separate file. Use two-step
15399 sequence so target is not created if script fails.
15400 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15401 identifiers are defined.
15402 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15403 an empty string, machine_name doesn't need to do anything at
15405 (is_cxx_header): Add more cases to regexp.
15406 * fixinc/fixlib.h: Update prototype.
15407 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15409 * fixinc/fixincl.c: Define NO_BOGOSITY.
15411 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15412 (hp_sysfile): Add missing comma.
15413 (math_exception): Put the wrapper ifdefs at the beginning and
15414 the end of the file.
15415 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15417 2000-02-01 Richard Henderson <rth@cygnus.com>
15419 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15420 Use CONST0_RTX. Update all callers.
15421 * sparc.h, sparc-protos.h: Update accordingly.
15422 * sparc.md (fp mov insns): Use fp_zero_operand directly
15425 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15427 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15430 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15432 * Makefile.in (specs.ready): New target.
15433 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15435 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15437 * fixinc.irix: Use unique filenames for writing into /tmp,
15438 * fixinc.ptx: Likewise.
15439 * fixinc.sco: Likewise.
15440 * fixinc.svr4: Likewise.
15441 * fixinc.winnt: Likewise.
15443 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15445 * tsystem.h: New file.
15447 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15448 s-crtS): Depend on tsystem.h.
15450 * crtstuff.c: Include tsystem.h.
15451 * frame.c: Likewise.
15452 * libgcc2.c: Likewise.
15454 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15456 * builtins.c (expand_builtin_memset): Expand for variable sized
15459 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15461 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15464 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15466 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15468 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15470 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15472 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15473 case 3->2 combining (combining with splitting) in which 2 is CC0
15474 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15475 checked at the begining of the function with the aid of calling
15476 function 'can_combine_p'.
15478 2000-01-31 Dave Brolley <brolley@redhat.com>
15480 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15482 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15484 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15487 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15489 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15491 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15494 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15496 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15497 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15498 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15499 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15500 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15501 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15502 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15503 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15504 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15505 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15507 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15508 Add %(cpp_cpu) to CPP_SPEC.
15510 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15511 Add %(cc1_cpu) to CC1_SPEC.
15513 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15515 * c-decl.c (c_decode_option): Accept optional numeric argument to
15516 -Wformat and set warn_format.
15517 * c-common.c: Don't emit warning about non-constant printf format
15518 string unless warn_format > 1.
15520 2000-01-30 Richard Henderson <rth@cygnus.com>
15522 * alpha.md (return_internal): Allow after reload only.
15524 2000-01-30 Richard Henderson <rth@cygnus.com>
15526 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15527 local frame size is zero.
15529 2000-01-30 Richard Henderson <rth@cygnus.com>
15531 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15532 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15533 * alpha.md (return): Turn into an expander.
15534 (return_internal): Don't use $26.
15535 (epilogue): Emit the return insn.
15537 2000-01-30 Richard Henderson <rth@cygnus.com>
15539 * alpha.md (negtf2, abstf2): Fix word order thinko.
15540 (extendsftf2): New.
15541 (trunctfsf2): Avoid intermediate rounding errors.
15543 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15545 * cppfiles.c (find_position): Drop 'colp' argument, return the
15547 (read_and_prescan): Adjust to match. Don't ever manipulate
15548 line or line_base except via find_position.
15550 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15552 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15553 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15556 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15558 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15559 just print "<command line>". If 'filename' is null or an
15560 empty string, print "<stdin>" for the filename.
15561 * cpplib.c (do_define): Don't print the 'location of the
15562 previous definition' message if we're still parsing the
15564 (cpp_pedwarn_with_file_and_line): Always call
15565 cpp_file_line_for_message.
15567 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15569 * flow.c (mark_regs_live_at_end): Fix typo.
15571 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15573 * c-common.c: Adjust variable names, comments, help strings to c99.
15574 * c-lex.c: Likewise.
15575 * c-parse.y: Likewise.
15576 * c-tree.h: Likewise.
15577 * cccp.c: Likewise.
15578 * cpplib.h: Likewise.
15579 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15580 * cppinit.c: Likewise.
15582 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15584 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15585 * c4x.c: Define the optab rtx values.
15586 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15587 (c4x_emit_libcall): Use new optab rtx values.
15588 (c4x_emit_libcall3): Likewise.
15589 (c4x_emit_libcall_mulhi): Likewise.
15590 * c4x-protos.h: Add prototypes for optab rtx values and change
15591 prototypes for above c4x_emit_libcall functions.
15593 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15595 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15597 (c4x_function_prologue): Use regnames intead of float_reg_names when
15599 (c4x_function_epilogue): Likewise.
15600 (c4x_print_operand): Likewise.
15601 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15602 * c4x.md (set_high): Disable for TARGET_TI.
15604 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15606 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15607 of framepointer + constant to ADDR_REGS class.
15608 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15609 * c4x.c (std_or_reg_operand): New function.
15610 * c4x-protos.h (std_or_reg_operand): Prototype it.
15612 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15614 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15615 object names as libgcc2.c.
15616 * libgcc.S: Use newly defined names.
15618 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15619 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15621 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15622 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15623 (FLOW_LOOP_LAST_BLOCK): Likewise.
15625 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15627 * basic-block.h (struct loop): New fields 'first' and 'last'.
15628 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15629 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15630 and loop->last to check for NOTE_INSN_LOOP_END.
15632 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15634 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15635 of the loop descriptor rather than HEADER and LATCH. Also added
15636 missing break statements as well making some coding style modifications
15637 as suggested by Michael Hayes.
15639 2000-01-28 Richard Henderson <rth@cygnus.com>
15641 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15642 Break out that code ...
15643 (cleanup_cfg): ... here.
15644 (commit_one_edge_insertion): Detect a return instruction being
15645 emitted to an edge. Emit a barrier following; clear fallthru.
15646 (commit_edge_insertions): Verify CFG consistency.
15647 * function.c (expand_function_start): Kill unused variable.
15648 (expand_function_end): Likewise.
15649 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15650 to insert the epilogue.
15652 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15653 (delete_null_pointer_checks): Likewise.
15654 * output.h: Likewise.
15655 * reg-stack.c (reg_to_stack): Likewise.
15656 * toplev.c (rest_of_compilation): Likewise. Run
15657 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15659 2000-01-28 Richard Henderson <rth@cygnus.com>
15661 * Makefile.in (flow.o): Revert 24 Jan change.
15662 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15663 FUNCTION_VALUE result to DECL_RESULT's mode.
15665 * haifa-sched.c (schedule_insns): Don't recompute reg info
15668 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15670 * configure.in: Make --enable-cpplib the default.
15671 * configure: Regenerate.
15672 * gcc.dg/990119-1.c: No longer expected to fail.
15674 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15676 * jump.c (jump_optimize_1): Delete an optimization that is also done
15677 by merge_blocks in flow.
15679 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15681 * diagnostic.c (build_message_string, output_printf,
15682 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15683 (build_location_prefix): Fix non-literal format string.
15685 2000-01-27 Richard Henderson <rth@cygnus.com>
15687 * alpha.md (trunctfsf2): New.
15689 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15691 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15693 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15695 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15697 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15699 (skip_comment) ... here. Permit C++ comments in system
15700 headers always. Warn about C++ comments in user code under
15701 -std=gnu89 -pedantic.
15702 (copy_comment): Use skip_comment.
15703 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15705 (consider_directive_while_skipping, do_else, do_endif): Call
15706 validate_else unconditionally.
15707 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15708 text after the conditional in a system header.
15709 * cpplib.h (struct cpp_buffer): Add flag
15710 warned_cplusplus_comments.
15712 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15714 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15715 Use unshare_all_rtl_1.
15716 (unshare_all_rtl_again): New function.
15717 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15719 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15720 rather than resetting the 'used' flags ourself.
15722 * toplev.c (rest_of_compilation): Add current_function_decl
15723 to the unshare_all_rtl call.
15724 * tree.h: Prototype unshare_all_rtl.
15725 * rtl.h: Prototype unshare_all_rtl_again here.
15727 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15729 * genoutput.c (output_prologue): Include ggc.h in generated
15731 * Makefile.in (insn-output.o): Depends on ggc.h.
15733 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15734 Hans-Peter Nilsson <hp@bitrange.com>
15736 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15737 Remove redundant include of xm-ns32k.h.
15738 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15739 Remove redundant include of xm-ns32k.h.
15740 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15741 Remove redundant include of xm-ns32k.h.
15742 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15744 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15745 (TARGET_SWITCHES): Add documentation strings.
15746 (DWARF_FRAME_REGNUM): Override default definition.
15747 (REG_CLASS_CONTENTS): Add comments.
15748 (SUBSET_P): Format to reduce line length.
15749 (SMALL_REGISTER_CLASSES): Make a run time option.
15750 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15751 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15752 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15753 (regclass_map): fix typo in comment.
15754 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15755 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15756 (trace, reg_or_mem_operand): Delete, unused function.
15757 (calc_address_cost): Small offsets are cheaper than large ones.
15758 (expand_block_move): Generate more efficient code when bytes is a
15759 known at compile time.
15760 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15761 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15762 instead of reg_or_mem_operand.
15764 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15765 not general_operand. Similarly use "=rm" or stricter, not "=g".
15766 For input operands, use stricter constraints than "g" if not
15767 general_operand. Similarly use stricter predicate than
15768 "general_operand" when stricter constraints than "g" are present,
15769 except for matching constraints.
15770 (movstrsi): Use "memory_operand" for operands 0 and 1.
15771 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15772 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15773 not reg_or_mem_operand.
15774 (udivmoddisi4): Ditto.
15775 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15776 Use nonimmediate_operand for operand 3, not register_operand.
15777 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15778 reg_or_mem_operand.
15780 2000-01-27 Fred Fish <fnf@be.com>
15782 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15783 * gthr-single.h: Likewise.
15784 * gthr-solaris.h: Likewise.
15785 * gthr-vxworks.h: Likewise.
15786 * gthr-win32.h: Likewise.
15787 * gthr.h: Likewise.
15789 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15791 * cppinit.c: Add " (cpplib)" to end of string printed by
15794 2000-01-27 Richard Henderson <rth@cygnus.com>
15796 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15797 testing for a signed comparison.
15798 (alpha_emit_floatuns): New.
15799 * alpha-protos.h: Declare it.
15800 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15801 (extendsfdf2): Tidy.
15803 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15805 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15806 no -g option specifying debugging format, default to -gstabs+.
15808 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15810 * calls.c (special_function_p): New argument fork_or_exec.
15811 (expand_call): When profile_arc_flag is set and the function
15812 is in the fork_or_exec group, call __bb_fork_func first.
15813 * libgcc2.c, _bb module (__bb_fork_func): New function.
15814 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15816 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15817 * tree.h (special_function_p): Update prototype.
15819 2000-01-26 Richard Henderson <rth@cygnus.com>
15821 * alpha.c (alpha_split_tfmode_pair): New.
15822 * alpha-protos.h: Declare it.
15823 * alpha.md (abstf2, negtf2): New.
15824 (movtf insn): Add input G constraint.
15825 (movtf splitter): Use alpha_split_tfmode_pair.
15827 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15829 * i386/cygwin.h: PROTO -> PARAMS.
15831 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15833 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15834 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15835 using _Qp_cmp/_Q_cmp and testing the return value.
15836 (print_operand): Call reverse_condition_maybe_unordered if
15837 we are handling CCFPmode or CCFPEmode.
15838 Handle ORDERED, UN* and LTGT comparisons.
15839 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
15840 if not TARGET_HARD_QUAD.
15841 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
15842 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
15843 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
15844 Adjust gen_b* calls so that they reflect return comparison of
15845 sparc_emit_float_lib_cmp.
15847 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15849 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
15850 incoming operands array is large enough for one more operand.
15851 (alpha_emit_xfloating_arith): Likewise.
15853 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15855 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
15856 file with one line and no trailing newline.
15857 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
15858 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
15859 checking if the match is on the line.
15860 * fixinc/gnu-regex.c: Provide regerror not __regerror.
15862 2000-01-25 Richard Henderson <rth@cygnus.com>
15864 * sparc.c (output_cbranch): Fix accidental squashing of the
15865 fp branch pre-delay nop.
15867 2000-01-25 Richard Henderson <rth@cygnus.com>
15869 * tree.def (UNNE_EXPR): Remove.
15870 * c-typeck.c (build_binary_op): Don't handle it.
15871 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
15873 * rtl.def (UNNE): Remove.
15875 * jump.c (reverse_condition): Update accordingly.
15876 (swap_condition): Likewise.
15877 (comparison_dominates_p): Handle unordered comparisons.
15878 (reverse_condition_maybe_unordered): New.
15879 * rtl.h (reverse_condition_maybe_unordered): Declare.
15881 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
15882 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
15883 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
15884 * sparc.md (bltgt): New.
15886 2000-01-25 Nick Clifton <nickc@redhat.com>
15888 * emit-rtl.c (emit_insn): Only check machine class insns for
15889 improper emission of a RETURN.
15891 2000-01-25 Richard Henderson <rth@cygnus.com>
15893 * Makefile.in (flow.o): Depend on $(EXPR_H).
15894 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
15895 duplicate the structure of diddle_return_value for keeping regs live.
15897 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15899 * loop.c (current_loop_info): Delete.
15900 (consec_sets_invariant_p): Add loop argument, update callers.
15901 (get_condition_for_loop): Likewise.
15902 (count_nonfixed_reads, update_giv_derive): Likewise.
15903 (simplify_giv_expr, general_induction_var): Likewise.
15904 (consec_sets_giv, recombine_givs): Likewise.
15905 (move_movables): Delete loop_start and loop_end arguments,
15906 add loop argument, and update callers.
15907 (find_mem_givs, check_final_value): Likewise.
15908 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
15909 (loop_invariant_p): Rename from invariant_p, add loop argument, and
15911 (basic_induction_var): Add loop argument, delete loop_level argument,
15912 and update callers.
15913 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
15914 add loop argument, and update callers.
15915 (find_splittable_regs, find_splittable_givs): Likewise.
15916 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
15917 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
15918 (biv_total_increment): Delete loop_start and loop_end arguments;
15920 (precondition_loop_p): Delete loop_start and loop_info arguments;
15922 * loop.h (get_condition_for_loop): Add loop argument.
15923 (biv_total_increment): Delete loop_start and loop_end arguments.
15924 (precondition_loop_p): Delete loop_start and loop_info arguments;
15926 (final_biv_value): Delete loop_start and loop_end arguments;
15928 (final_giv_value, back_branch_in_range_p): Likewise.
15930 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15932 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
15934 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15936 * Makefile.in (c-gperf.h) : Change the "See" pointer to
15937 point to the new "generated_files" doc.
15939 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15941 * config/fp-bit.c (_unord_f2): Fix typo.
15943 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15945 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
15946 c-typeck.c, objc/objc-act.c: Remove all references to obstack
15947 functions obsoleted by GC, such as push_obstacks_nochange,
15948 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
15949 and code which existed only to decide whether or not to call
15950 them. Remove now-unused NESTED argument from start_function;
15951 all callers changed. Do not change behavior based on ggc_p.
15952 The use of the ixp_obstack in c-iterate.c and the util_obstack
15953 in objc/objc-act.c remain; these are not obsoleted by garbage
15955 * c-tree.h: Update prototype for start_function.
15957 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
15959 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15961 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
15964 2000-01-25 Richard Henderson <rth@cygnus.com>
15966 * sparc-protos.h (select_cc_mode): Declare.
15967 * sparc.c (select_cc_mode): New. Handle unordered compares.
15968 (output_cbranch): Always reverse via code change. Handle
15969 unordered compares. Factor tests and string updates.
15970 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
15971 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
15972 * sparc.md (bunordered, bordered): New.
15973 (bungt, bunlt, buneq, bunge, bunle): New.
15975 2000-01-25 Richard Henderson <rth@cygnus.com>
15977 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
15978 * ggc-common.c (ggc_add_rtx_varray_root): New.
15979 (ggc_mark_rtx_varray): New.
15980 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
15981 functions down below ggc_mark_foo.
15982 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
15984 2000-01-25 Richard Henderson <rth@cygnus.com>
15986 * alpha.c (secondary_reload_class): Don't allocate a secondary
15987 for integral mode memories into FLOAT_REGS. Rearrange the more
15988 complicated memory expression inward.
15990 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15992 * inclhack.def: Fixes to play nicer with FreeBSD, and
15993 corrections to comments.
15994 (cxx_unready): Add select expression.
15995 (irix_sockaddr): Add bypass expression.
15996 (machine_ansi_h_va_list): New fix.
15997 (stdio_va_list): No need to edit _BSD_VA_LIST_.
15998 Split out addition of "#include <stdarg.h>" to...
15999 (stdio_stdarg_h): ... here.
16000 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16001 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16002 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16004 (ultrix_ifdef): Tighten up select expression.
16006 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16007 re_ct and max_mach to avoid use of shell. Make printed names
16008 match names in inclhack.def. Use static copyright date.
16009 Don't count c_test and test expressions as requiring regex_t
16010 slots. Add some commentary.
16011 * inclhack.tpl: Do not include the 'This script contains N
16012 fixup scripts' line if PROGRAM is defined. Use static
16015 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16017 * dwarf2out.c: include "varray.h", not dyn-string.h.
16018 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16019 (addr_const_to_string, addr_to_string): Lose.
16020 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16021 (struct dw_val_struct): val_addr is now an rtx.
16022 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16023 (used_rtx_varray): New varray.
16024 (dwarf2out_init): Initialize it.
16025 (save_rtx): New fn.
16026 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16028 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16029 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16030 * Makefile.in (dwarf2out.o): Update dependencies.
16032 2000-01-24 Richard Henderson <rth@cygnus.com>
16034 * i386.c (i386_dwarf_output_addr_const): New.
16035 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16037 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16039 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16040 * i386.c (i386_simplify_dwarf_addr): New.
16041 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16043 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16045 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16046 TYPE_STUB_DECL is NULL.
16048 2000-01-24 Richard Henderson <rth@cygnus.com>
16050 * builtins.c (expand_tree_builtin): Move ...
16051 * c-common.c (expand_tree_builtin): ... here.
16053 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16055 * loop.h (LOOP_INFO): New accessor macro.
16056 * basic-block.h (struct loop): Rename field `info' to `aux'.
16057 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16058 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16059 * unroll.c (loop_iterations, unroll_loop): Likewise.
16061 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16063 * config/i386/t-cygwin: Accomodate new winsup directory layout
16064 when searching for include files.
16066 2000-01-24 Richard Henderson <rth@cygnus.com>
16068 * rtl.def: Add unordered fp comparisions.
16069 * tree.def: Likewise.
16070 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16072 * builtins.c (expand_tree_builtin): New function.
16073 * c-typeck.c (build_function_call): Use it.
16074 (build_binary_op): Support unordered compares.
16075 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16077 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16078 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16079 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16080 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16081 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16083 (swap_condition): Handle unordered compares.
16084 (thread_jumps): Check can_reverse before reversing.
16085 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16088 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16089 setcc is present before acking for cmp_optab. Update all callers.
16090 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16091 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16092 * expr.c (expand_expr): Likewise. Support unordered compares.
16093 (do_jump, do_store_flag): Likewise.
16094 * expr.h (enum libfunc_index): Add unordered compares.
16096 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16097 (DPBIT_FUNCS): Add _unord_df.
16098 * config/fp-bit.c (_unord_f2): New.
16099 * fp-test.c (main): Try unordered compare builtins.
16101 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16102 * alpha.c (alpha_comparison_operator): Check mode properly.
16103 (alpha_swapped_comparison_operator): Likewise.
16104 (signed_comparison_operator): Likewise.
16105 (alpha_fp_comparison_operator): New.
16106 (alpha_emit_conditional_branch): Handle unordered compares.
16107 * alpha.h (PREDICATE_CODES): Update.
16108 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16109 (bunordered, bordered): New.
16111 2000-01-24 Richard Henderson <rth@cygnus.com>
16113 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16114 * alpha.md (movtf): New expander, insn, and splitter.
16116 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16118 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16121 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16123 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16124 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16125 REG_ALLOC_ORDER): Add frame pointer
16126 (FRAME_POINTER_REGNUM): Set to 20
16127 (HARD_FRAME_POINTER_REGNUM): New macro.
16128 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16129 to HARD_FRAME_POINTER.
16130 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16131 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16132 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16133 (HI_REGISTER_NAMES): Add "frame".
16134 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16135 (debug_reg): Handle FRAME_POINTER_REGNUM.
16136 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16137 GENERAL_REGS and INDEX_REGS.
16138 * i386.c (SAVED_REGS_FIRST): new macro.
16139 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16140 (ix86_decompose_address, memory_address_length): Likewise.
16141 (regclass_map): Add frame pointer.
16142 (call_insn_operand): Handle frame_pointer_rtx.
16143 (reg_no_sp_operand): Likewise.
16144 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16145 (print_operand, legitimize_pic_address): Fix formating.
16146 (ix86_compute_frame_size): Make static, update prototype, new
16147 parameters padding1, padding2, use ix86_nsaved_regs, use
16148 stack_alignment_needed.
16149 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16150 to HARD_FRAME_POINTER_REGNUM conversions.
16151 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16152 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16153 (print_reg): Abort on FRAME_POINTER_REGNUM
16155 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16157 * i386.h (PREDICATE_CODES): Add aligned_operand.
16158 * i386.c (aligned_operand): New function.
16159 (ix86_aligned_p): Kill.
16160 * i386.md (movhi_1): Emit mov for aligned operands.
16161 (promoting peep2s): Use aligned_operand.
16163 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16165 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16166 expression to allow underscores in macro names.
16167 (fix_char_macro_defines): Increment scanning pointer.
16169 2000-01-23 Richard Henderson <rth@cygnus.com>
16171 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16172 * alpha/osf5.h: New file.
16173 * configure.in (alpha-*-osf5): Add it to tm_file.
16175 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16177 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16178 (alpha_emit_xfloating_cvt, function_arg): Declare.
16179 * alpha.c (alpha_emit_conditional_branch): Call
16180 alpha_emit_xfloating_compare for TFmode compares.
16181 (alpha_lookup_xfloating_lib_func): New.
16182 (alpha_compute_xfloating_mode_arg): New.
16183 (alpha_emit_xfloating_libcall): New.
16184 (alpha_emit_xfloating_arith): New.
16185 (alpha_emit_xfloating_compare): New.
16186 (alpha_emit_xfloating_cvt): New.
16187 (print_operand): Add default abort case.
16188 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16189 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16190 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16191 (RETURN_IN_MEMORY): True for TF/TCmode.
16192 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16193 (FUNCTION_ARG): Move to function_arg.
16194 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16195 (ASM_OUTPUT_LONG_DOUBLE): New.
16196 (ASM_OUTPUT_DOUBLE): Always output bits.
16197 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16198 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16199 (extenddftf2, trunctfdf2): New.
16201 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16203 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16204 * config/sparc/sol2.h: ... here.
16206 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16208 * basic-block.h (struct loops): New field `levels'.
16209 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16210 (flow_loop_level_compute): Initialise level to 1.
16211 (flow_loops_find): Set loops->levels.
16212 (flow_loops_dump): Print loops->levels.
16214 2000-01-23 Richard Henderson <rth@cygnus.com>
16216 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16217 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16219 2000-01-23 Richard Henderson <rth@cygnus.com>
16221 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16222 * i386.h (DBX_REGISTER_NUMBER): Use them.
16223 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16224 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16225 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16226 * i386/sequent.h: Kill incorrect comment.
16228 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16230 * ggc-page.c (struct page_entry): Make `context_depth' an
16232 (struct globals): Likewise.
16234 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16236 * loop.c (check_dbra_loop): When checking a loop for
16237 reversability, check the source of any stores to ensure
16238 they don't depend on an initial value.
16240 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16242 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16244 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16246 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16247 'pz_scan' into scope of entire function. Only affects
16248 compiles with -DDEBUG.
16250 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16252 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16253 section naming to that prior to 2000-01-07 patch.
16254 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16255 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16256 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16257 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16258 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16260 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16262 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16265 2000-01-21 Jim Wilson <wilson@cygnus.com>
16267 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16268 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16270 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16272 * cpphash.c (change_newlines): Delete function.
16273 (struct argdata): Delete 'newlines' and 'use_count' fields.
16274 (macroexpand): Remove code referencing those fields.
16276 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16278 * loop.c (loops_info): New variable.
16279 (loop_optimize): Allocate loops->array and free it on exit.
16280 Allocate memory for loops_info and assign to each loop,
16282 (find_and_verify_loops): Do not allocate loops->array.
16284 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16286 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16288 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16290 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16291 pseudos if expanded after first flow.
16292 (movdi_pic_label_ref): Likewise.
16294 2000-01-20 Richard Henderson <rth@cygnus.com>
16296 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16298 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16300 * Makefile.in (fixinc.sh): Depend on specs.
16301 * fixinc/Makefile.in: Add rule to create machname.h.
16302 (fixlib.o): Depend on machname.h.
16303 * fixinc/fixtests.c (machine_name): New test.
16304 * fixinc/fixfixes.c (machine_name): New fix.
16305 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16306 the machine_name test and fix.
16307 * fixinc/fixlib.h: Prototype it.
16308 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16309 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16311 * gcc.c (do_spec_1) [case P]: Take care not to create
16312 identifiers with three leading or trailing underscores.
16314 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16315 (fixincl): Don't specify libraries twice on link line.
16316 (gnu-regex.o): Remove special rule.
16317 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16318 defined by config.h. Do not define _REGEX_RE_COMP.
16319 (regcomp): Allocate and initialize a fastmap.
16320 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16322 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16324 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16326 2000-01-19 Richard Henderson <rth@cygnus.com>
16328 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16329 arguments with BB. Update all callers. Tidy line wrapping.
16331 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16333 * emit-rtl.c (try_split): Return last_insn if we split the
16336 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16338 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16339 (ix86_initial_elimination_offset): Declare.
16340 * i386.c (ix86_nsaved_regs): Break out from ...
16341 (ix86_can_use_return_insn_p): ... here.
16342 (ix86_emit_save_regs): Break out from ...
16343 (ix86_expand_prologue): ... here.
16344 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16346 (ix86_expand_epilogue): ... here.
16347 (ix86_compute_frame_size): Make static, add prototype.
16348 (ix86_initial_elimination_offset): Break out from ...
16349 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16351 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16353 * recog.h (OUT_FCN): Delete.
16355 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16357 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16359 * cppalloc.c: PROTO -> PARAMS.
16360 * cpperror.c: Likewise.
16361 * cppfiles.c: Likewise.
16362 * cpplib.c: Likewise.
16363 * cpplib.h: Likewise.
16365 * config/arm/arm-protos.h: PROTO -> PARAMS.
16366 * config/arm/arm.c: Likewise.
16367 * config/c4x/c4x.c: Likewise.
16368 * config/fr30/fr30-protos.h: Likewise.
16369 * config/nextstep.c: Likewise.
16370 * config/pa/pa.c: Likewise.
16371 * config/pj/pj.c: Likewise.
16372 * config/rs6000/rs6000.c: Likewise.
16373 * config/v850/v850-protos.h: Likewise.
16374 * config/v850/v850.c: Likewise.
16376 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16378 * i370-protos.h: New file.
16380 * i370.c: Include tm_p.h. Fix compile time warnings.
16382 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16385 * i370.md: Likewise.
16387 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16389 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16390 (target_isinf, target_isnan, eisnan): Mark parameter with
16392 (eiisinf): Wrap in INFINITY.
16393 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16394 (ibmtoe): Remove unused variable `rndsav'.
16396 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16398 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16399 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16401 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16403 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16404 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16405 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16407 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16408 Recognize Emacs mode markers also.
16409 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16410 C++ comments in C++ headers. Call is_cxx_header only if
16413 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16414 bypass for ncurses.
16415 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16416 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16417 ... these, which use the new C fixes.
16418 (math_exception): Escape literal '+' in bypass expression.
16420 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16423 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16425 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16428 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16430 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16431 prior to calling scan_loop.
16433 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16435 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16436 (split_branches, calc_live_regs): Likewise.
16438 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16440 * sh.md (fpu_single, fp_mode): New attributes.
16442 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16444 * loop.c (current_loop_info): Renamed from loop_info_data
16445 and changed to a pointer.
16446 (loop_optimize): Allocate loop_info structure for each loop
16447 and initialise to zero.
16448 (scan_loop): Set current_loop_info.
16450 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16453 2000-01-19 Richard Henderson <rth@cygnus.com>
16455 * stupid.c: Die die die.
16456 * Makefile.in (OBJS): Remove stupid.o.
16457 (stupid.o): Likewise.
16459 * except.c (emit_eh_context): Don't emit USEs for stupid.
16460 * explow.c (probe_stack_range): Likewise.
16461 * flags.h (obey_regdecls): Remove.
16462 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16463 when not optimizing.
16464 (life_analysis): Limit data collection when not optimizing.
16465 (mark_regs_live_at_end): Always mark the return value registers.
16466 (mark_used_regs): Remove dummy RETURN case.
16467 (print_rtl_with_bb): Don't consult obey_regdecls.
16468 * function.c (use_variable, use_variable_after): Remove.
16469 (assign_parms): Consult optimize not obey_regdecls.
16470 (expand_function_start): Don't emit USEs for stupid.
16471 (expand_function_end): Likewise.
16472 * global.c (build_insn_chain): Export.
16473 * integrate.c (expand_inline_function): Kill return-value USE
16475 * jump.c (jump_optimize_1): Do simple jump optimizations and
16476 dead code elimination.
16477 (calculate_can_reach_end): Remove check_deleted argument.
16478 (delete_insn): Patch out insns even when not optimizing.
16479 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16480 * rtl.h (use_variable, use_variable_after): Remove declarations.
16481 (build_insn_chain): Declare.
16482 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16483 (expand_end_bindings): Likewise.
16484 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16485 * toplev.c (obey_regdecls): Remove.
16486 (rest_of_compilation): Don't set it. Kill stupid in favour of
16487 flow1, local-alloc, and reload.
16488 (main): Don't set obey_regdecls.
16490 * config/nextstep.c (handle_pragma): Likewise.
16492 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16494 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16496 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16498 * alpha-protos.h: PROTO -> PARAMS.
16499 * alpha.c: Likewise.
16501 * h8300.c: Likewise.
16502 * i386-protos.h: Likewise.
16503 * i386.c: Likewise.
16504 * m32r-protos.h: Likewise.
16505 * m32r.c: Likewise.
16506 * mips.c: Likewise.
16507 * mips.md: Likewise.
16508 * gmon-sol2.c: Likewise.
16509 * sparc.c: Likewise.
16511 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16513 * ns32k-protos.h: New file.
16515 * ns32k.c: Fix compile time warnings.
16517 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16520 * ns32k.md: Likewise.
16522 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16524 * vax-protos.h: New file.
16526 * vax.c: Fix compile time warnings.
16528 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16531 * vax.md: Likewise.
16533 * vaxv.md: Likewise.
16535 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16537 * romp-protos.h: New file.
16539 * romp.c: Fix compile time warnings.
16541 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16544 * romp.md: Likewise.
16546 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16548 * we32k-protos.h: New file.
16550 * we32k.c: Fix compile time warnings.
16552 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16555 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16557 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16559 * except.c (eh_regs): Likewise.
16561 * final.c (output_operand): Likewise.
16563 * fold-const.c (target_isinf, target_isnan): Likewise.
16565 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16567 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16568 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16570 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16571 when optimize_size.
16572 (clrstrsi): Rewrite.
16573 (strsethi, strsetqi): New expanders.
16574 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16575 (cmpstrsi): Emit compare insn before cmpstrsi_1
16576 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16577 (strlensi_1): Likewise.
16578 (cmpstrsi_1): Likewise; do not output compare.
16579 (strlen expander): Do not unroll when optimizing for size.
16580 (*subsi3_carry): Rename to subsi3_carry
16581 (addqi3_cc): New pattern.
16582 * i386.h (processor_costs): Add move_ratio field.
16583 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16584 * i386.c (*_cost): Set move_ratio.
16585 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16586 (x86_expand_strlensi_1): Rewrite the main loop.
16588 2000-01-17 Richard Henderson <rth@cygnus.com>
16590 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16591 * cse.c (find_comparison_args, fold_rtx): Likewise.
16592 * integrate.c (subst_constants): Likewise.
16593 * loop.c (get_condition): Likewise.
16595 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16597 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16599 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16601 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16602 (RESTORE_WARN_FLAGS): Unpack it.
16603 Change semantic type of extension to ttype.
16604 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16605 * c-parse.y, c-parse.c, objc/objc-parse.y,
16606 objc/objc-parse.c: Regenerate.
16608 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16610 * fixinc/fixlib.c: Add copyright notice.
16611 (compile_re): New function.
16612 * fixinc/fixlib.h: Prototype compile_re.
16614 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16615 Use compile_re to compile regular expressions.
16617 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16618 where the pattern matched.
16620 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16622 (ultrix_ansi_compat): Likewise.
16623 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16625 (interactv_add2, interactv_add3): Delete.
16626 (x11_sprintf): Don't use filename glob.
16627 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16630 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16632 * print-rtl.c: PROTO -> PARAMS.
16633 * real.c: Likewise.
16634 * reg-stack.c: Likewise.
16635 * resource.c: Likewise.
16636 * sdbout.h: Likewise.
16637 * simplify-rtx.c: Likewise.
16638 * stor-layout.c: Likewise.
16639 * stupid.c: Likewise.
16640 * xcoffout.c: Likewise.
16641 * xcoffout.h: Likewise.
16643 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16645 * toplev.c: PROTO -> PARAMS.
16646 * toplev.h: Likewise.
16647 * tree.c: Likewise.
16648 * tree.h: Likewise.
16649 * unroll.c: Likewise.
16650 * varasm.c: Likewise.
16651 * varray.c: Likewise.
16652 * varray.h: Likewise.
16654 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16656 * reload.c: PROTO -> PARAMS.
16657 * reload.h: Likewise.
16658 * reload1.c: Likewise.
16659 * reorg.c: Likewise.
16660 * resource.h: Likewise.
16663 * rtlanal.c: Likewise.
16664 * sbitmap.h: Likewise.
16665 * sdbout.c: Likewise.
16666 * stack.h: Likewise.
16667 * stmt.c: Likewise.
16668 * system.h: Likewise.
16670 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16672 * machmode.h: PROTO -> PARAMS.
16673 * mbchar.h: Likewise.
16674 * mips-tdump.c: Likewise.
16675 * mips-tfile.c: Likewise.
16676 * optabs.c: Likewise.
16677 * output.h: Likewise.
16678 * prefix.c: Likewise.
16679 * profile.c: Likewise.
16680 * protoize.c: Likewise.
16681 * real.h: Likewise.
16682 * recog.c: Likewise.
16683 * recog.h: Likewise.
16684 * regclass.c: Likewise.
16685 * regmove.c: Likewise.
16686 * regs.h: Likewise.
16688 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16690 * ggc-common.c: PROTO -> PARAMS.
16691 * ggc-page.c: Likewise.
16692 * ggc-simple.c: Likewise.
16694 * global.c: Likewise.
16695 * graph.c: Likewise.
16696 * gthr-win32.h: Likewise.
16697 * haifa-sched.c: Likewise.
16698 * halfpic.h: Likewise.
16699 * integrate.c: Likewise.
16700 * integrate.h: Likewise.
16701 * jump.c: Likewise.
16703 * local-alloc.c: Likewise.
16704 * loop.c: Likewise.
16705 * loop.h: Likewise.
16707 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16709 * genattr.c: PROTO -> PARAMS.
16710 * genattrtab.c: Likewise.
16711 * gencheck.c: Likewise.
16712 * gencodes.c: Likewise.
16713 * genconfig.c: Likewise.
16714 * genemit.c: Likewise.
16715 * genextract.c: Likewise.
16716 * genflags.c: Likewise.
16717 * gengenrtl.c: Likewise.
16718 * genopinit.c: Likewise.
16719 * genoutput.c: Likewise.
16720 * genpeep.c: Likewise.
16721 * genrecog.c: Likewise.
16723 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16725 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16727 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16729 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16730 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16731 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16732 * configure, config.in: Rebuilt.
16734 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16736 * config/i386/i386.md: Add peephole to merge successive stack
16739 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16741 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16742 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16743 when walking backwards to find all the parameter loads when
16744 the basic block ends in a call.
16746 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16748 * loop.c (this_loop_info): Delete.
16749 (uid_loop): Add in place of uid_loop_num. All uses updated.
16750 (loop_number_exit_count): Delete and replace with entry in loop
16751 structure. All uses updated.
16752 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16753 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16754 (loop_outer_loop): Likewise.
16755 (loop_invalid, loop_number_exit_labels): Likewise.
16756 (loop_used_count_register): Delete and replace with entry in
16757 loop_info structure.
16758 (find_and_verify_loops): Add loops argument.
16759 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16760 loop_end, etc. arguments with loop structure pointer. All callers
16762 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16763 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16764 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16765 (insert_bct): Likewise.
16766 (basic_induction_var): New argument level.
16767 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16768 vtop, and cont. Add used_count_register.
16769 (uid_loop): Delete declaration.
16770 (loop_number_exit_count): Likewise.
16771 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16772 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16773 (loop_outer_loop, loop_used_count_register): Likewise.
16774 (loop_invalid, loop_number_exit_labels): Likewise.
16775 (unroll_loop): Replace loop_start and loop_end arguments
16776 with loop structure pointer.
16777 (loop_precondition_p, loop_iterations): Likewise.
16778 Include basic-block.h.
16779 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16780 with loop structure pointer.
16781 (loop_precondition_p, loop_iterations): Likewise.
16782 * basic-block.h (struct loop): New entries vtop, cont,
16783 cont_dominator, start, end, top, scan_start, exit_labels,
16785 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16787 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16789 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16791 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16793 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16795 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16797 * pdp11-protos.h: New file.
16799 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16802 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16805 * pdp11.md: Likewise.
16807 * 2bsd.h: Likewise.
16809 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16811 * mn10300-protos.h: New file.
16813 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16816 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16819 * mn10300.md: Likewise.
16821 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16823 * mn10200-protos.h: New file.
16825 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16828 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16831 * mn10200.md: Likewise.
16833 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16835 * h8300-protos.h: New file.
16837 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
16840 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
16843 * h8300.md: Likewise.
16845 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16847 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
16848 (asm_emit_uninitialised): Likewise.
16850 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
16852 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
16853 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
16855 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16857 * config/mips/mips.c (override_options): Don't turn on extra
16858 alignment for mips16.
16860 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16862 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
16863 eabi, and make sure queued POSTINCREMENT rtl is emitted at
16866 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16868 * builtins.c (PAD_VARARGS_DOWN): Define.
16869 (std_expand_builtin_va_arg): Use the above macro.
16870 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
16871 * tm.texi (Register Arguments): Document the above macro.
16873 2000-01-14 Nick Clifton <nickc@cygnus.com>
16875 * emit-rtl.c (emit_insn): If checking is enabled, make sure
16876 that this function has not been used to emit a jump
16879 * jump.c (return_jump_1): Cope with being passed a null rtx.
16881 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16883 * eh-common.h: PROTO -> PARAMS.
16884 * emit-rtl.c: Likewise.
16885 * errors.c: Likewise.
16886 * errors.h: Likewise.
16887 * except.c: Likewise.
16888 * except.h: Likewise.
16889 * explow.c: Likewise.
16890 * expmed.c: Likewise.
16891 * expr.c: Likewise.
16892 * expr.h: Likewise.
16893 * final.c: Likewise.
16894 * fix-header.c: Likewise.
16895 * flow.c: Likewise.
16896 * fold-const.c: Likewise.
16897 * function.c: Likewise.
16898 * function.h: Likewise.
16900 * gcov-io.h: Likewise.
16901 * gcov.c: Likewise.
16902 * gcse.c: Likewise.
16904 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16906 * sh-protos.h: New file.
16908 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
16909 Add static prototypes. Fix compile time warnings.
16911 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
16915 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16917 * arc-protos.h: New file.
16919 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
16922 * arc.h: Move prototypes to arc-protos.h. Fix compile time
16925 * arc.md: Likewise.
16927 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16929 * dsp16xx-protos.h: New file.
16931 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
16934 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
16937 * dsp16xx.md: Likewise.
16939 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16941 * convex-protos.h: New file.
16943 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
16946 * convex.h: Move prototypes to convex-protos.h. Fix compile time
16949 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16951 * elxsi-protos.h: New file.
16953 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
16956 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
16959 * elxsi.md: Likewise.
16961 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16963 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
16964 case for moving from HI/LO/HI_LO_REG. This makes the behavior
16965 match the comment for MIPS16.
16967 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
16969 * flow.c (split_edge): Do not call set_block_for_insn if we
16970 do not have a basic_block_for_insn structure.
16972 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
16973 and destination functions are 32bit aligned within the trampoline.
16974 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
16975 (TRAMPOLINE_ALIGNMENT): Define.
16977 * cse.c (cse_insn): When changing (set (pc) (reg)) to
16978 (set (pc) (label_ref)), verify the change creates a valid insn.
16980 * fr30.c (call_operand): Tighten and rework to match rules for
16981 call RTL expressions.
16982 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
16983 * fr30.md (call patterns): Improve constraints.
16985 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
16987 * fr30.c (fr30_expand_epilogue): Revert last change.
16988 Use emit_jump_insn for the return insn.
16990 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
16991 Stan Cox <scox@cygnus.com>
16993 * predict.c: New file. Preliminary infrastructure work for static
16994 branch prediction and basic block reordering.
16995 * basic-block.h: Add prototype for estimate_probability.
16996 * Makefile.in: Add rules for predict.o.
16998 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17000 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17001 * fixinc/*: Likewise.
17003 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17005 * cccp.c: PROTO -> PARAMS.
17006 * cexp.y: Likewise.
17007 * collect2.c: Likewise.
17008 * combine.c: Likewise.
17009 * convert.h: Likewise.
17011 * dbxout.c: Likewise.
17012 * dbxout.h: Likewise.
17013 * diagnostic.c: Likewise.
17014 * doprint.c: Likewise.
17015 * dwarf2out.c: Likewise.
17016 * dwarf2out.h: Likewise.
17017 * dwarfout.c: Likewise.
17018 * dwarfout.h: Likewise.
17019 * dyn-string.h: Likewise.
17021 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17023 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17024 macro conditionals guarding use.
17026 * dwarf2out.c: Include "tm_p.h".
17028 * function.c (locate_and_pad_parm): Mark parameter with
17030 (expand_function_end): Likewise for variable `context'.
17032 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17034 2000-01-13 Nick Clifton <nickc@cygnus.com>
17036 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17037 register to prevent compile time warnings.
17039 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17041 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17042 to avoid -Wtraditional warning.
17044 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17046 * 1750a-protos.h: New file.
17048 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17051 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17054 * 1750a.md: Likewise.
17056 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17058 * a29k-protos.h: New file.
17060 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17063 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17066 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17068 * clipper-protos.h: New file.
17070 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17073 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17076 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17078 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17080 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17082 * configure.in (--enable-new-gxx-abi): New option.
17083 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17084 * Makefile.in (GXX_ABI_FLAG): New variable.
17085 * configure: Regenerate.
17087 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17089 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17090 * tm.texi (FORCE_STRUCT_BLK): Document.
17091 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17093 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17095 * config/ns32k/ns32k.md: Revert Jan 9 change.
17097 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17098 to a mode-test, if the predicate is address_operand.
17100 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17102 * combine.c (if_then_else_cond): Be careful about what kinds
17103 of RTL expressions are passed to operand_subword.
17105 * flow.c (split_edge): If we have to insert a new jump, make
17106 sure to associate it with a basic block.
17108 * flow.c (commit_one_edge_insertion): A block with one successor
17109 can end in a JUMP_INSN that is not a simplejump.
17111 2000-01-12 Robert Lipe <robertl@sco.com>
17113 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17114 (BUILD_VA_LIST_TYPE): Define.
17115 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17118 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17120 * cccp.c (do_pragma): Add cast to (char *).
17122 2000-01-12 Richard Henderson <rth@cygnus.com>
17123 Fred Fish <fnf@be.com>
17124 Jason Merrill <jason@cygnus.com>
17126 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17127 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17128 * i386/beos-elf.h, i386/beos-pe.h: New files.
17130 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17131 * cross-make (SYSTEM_HEADER_DIR): Define using
17132 CROSS_SYSTEM_HEADER_DIR.
17134 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17135 (process_command): Use it.
17136 (main): Likewise. Kill trailing = from env vars.
17137 (build_search_list): Put it back.
17138 * collect2.c (main): Use LIBRARY_PATH_ENV.
17140 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17141 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17143 * tm.texi (Frame Layout): Document SMALL_STACK.
17144 * c-common.c (c_common_nodes_and_builtins): Check it.
17146 * system.h: Undef alloca after including glibc's <stdlib.h>,
17147 if USE_C_ALLOCA is defined.
17149 * gcc.c (set_input): New fn.
17150 (main): After all input files are compiled, reset the input file
17153 * aclocal.m4 (rindex, index): If already defined, don't attempt
17156 * ginclude/varargs.h: (__va_list__): Define ifndef.
17157 * ginclude/stdarg.h: Likewise.
17159 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17160 instead of unsigned char.
17162 * hash.h (true, false, boolean): Undef before enum.
17164 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17165 proper type of "HOST_WIDE_INT *", rather than their natural type of
17166 "unsigned HOST_WIDE_INT *".
17168 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17170 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17172 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17174 * regclass.c (choose_hard_reg_mode): Likewise.
17176 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17178 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17180 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17182 * c-common.c: PROTO -> PARAMS.
17183 * c-common.h: Likewise.
17184 * c-decl.c: Likewise.
17185 * c-iterate.c: Likewise.
17186 * c-lang.c: Likewise.
17187 * c-lex.c: Likewise.
17188 * c-lex.h: Likewise.
17189 * c-parse.in: Likewise.
17190 * c-pragma.c: Likewise.
17191 * c-pragma.h: Likewise.
17192 * c-tree.h: Likewise.
17193 * c-typeck.c: Likewise.
17194 * objc/objc-act.c: Likewise.
17195 * objc/objc-act.h: Likewise.
17197 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17199 * m88k-protos.h: New file.
17201 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17204 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17206 * m88k.md: Likewise.
17208 * tekXD88.h: Likewise.
17210 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17212 * m68k-protos.h: New file.
17214 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17217 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17219 * mot3300.h: Likewise.
17221 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17223 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17225 (extract_bitlist): Declare bitlen.
17227 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17229 * cccp.c: Accept and ignore -lang-fortran.
17231 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17232 qualifiers don't match at any level of pointerness.
17234 2000-01-12 Robert Lipe <robertl@sco.com>
17236 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17238 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17240 * reload1.c (reload_reg_unavailable): New static variable.
17241 (reload_reg_free_p): Test it.
17242 (reload_reg_free_for_value_p): Test it instead of
17244 (choose_reload_regs_init): Compute it.
17246 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17248 * reorg.c (fill_slots_from_thread): Check modified_in_p
17251 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17253 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17254 these nodes even if INTERNALS is not set.
17256 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17258 * gcse.c (delete_null_pointer_checks_1): Cope when
17259 get_condition cannot determine the condition.
17261 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17263 * toplev.h (set_message_length): Declare.
17265 * diagnostic.c (obstack_chunk_alloc): Define macro.
17266 (obstack_chunk_free): Likewise.
17267 (struct output_buffer): New data structure.
17268 (vmessage): Remove.
17269 (output_maximum_width): New variable.
17270 (doing_line_wrapping, set_message_length, init_output_buffer,
17271 get_output_prefix, output_space_left, emit_output_prefix,
17272 output_newline, output_append, output_puts, dump_output,
17273 vbuild_message_string, build_message_string, build_location_prefix,
17274 voutput_notice, output_printf, line_wrapper_printf,
17275 vline_wrapper_message_with_location): New functions. Implement
17276 automatic line wrapping.
17277 (v_message_with_decl): Make it handle automatic line wrapping.
17278 (v_error_with_file_and_line): Likewise.
17279 (v_warning_with_file_and_line): Likewise.
17280 (announce_function): Likewise.
17281 (default_print_error_function): Likewise.
17283 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17285 * cpplib.h (struct cpp_options): Change lang_asm to char.
17287 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17288 done in cpp_handle_option now.
17289 (initialize_builtins): Take out special case code used only by
17291 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17292 if -traditional. Recognize -lang-fortran and set
17293 lang_fortran, also turn off cplusplus_comments.
17294 (print_help): Document -lang-fortran.
17295 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17296 lang_asm. Ignore all directives other than `# 123 "file"' if
17298 (cpp_get_token): If -traditional, don't recognize directives
17299 unless the # is in column 1.
17300 (parse_string): If lang_fortran or lang_asm, silently
17301 terminate strings ('' or "") at end of line.
17302 Remove unnecessary braces.
17304 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17305 Richard Henderson <rth@cygnus.com>
17307 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17309 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17310 strict_low_part when possible.
17312 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17314 * alias.c: PROTO -> PARAMS.
17315 * basic-block.h: Likewise.
17316 * bitmap.c: Likewise.
17317 * bitmap.h: Likewise.
17318 * builtins.c: Likewise.
17319 * c-aux-info.c: Likewise.
17320 * caller-save.c: Likewise.
17321 * calls.c: Likewise.
17323 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17325 * Makefile.in (toplev.o): Depend on regs.h.
17327 * output.h (tdesc_section): Prototype.
17329 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17331 * sdbout.c: Include "tm_p.h".
17333 * toplev.c: Include "regs.h".
17335 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17337 * unroll.c (unroll_loop): Add EH support.
17339 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17341 * pa-protos.h: New file.
17343 * pa.c: Include recog.h and tm_p.h.
17344 (compute_zdepwi_operands, compute_movstrsi_length,
17345 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17346 find_addr_reg, import_milli): Add static prototypes.
17347 (pa_cpu_string, pa_arch_string): Constify a char*.
17348 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17349 (read_only_operand): Add argument `mode'.
17350 (singlemove_string, output_move_double, output_fp_move_double,
17351 output_block_move, output_and, output_ior, output_ascii,
17352 remove_useless_addtr_insns, milli_names, output_mul_insn,
17353 output_div_insn, output_mod_insn, output_arg_descriptor,
17354 output_cbranch, output_bb, output_bvb, output_dbra, ,
17355 output_millicode_call, output_call, hppa_encode_label,
17356 output_parallel_movb, output_parallel_addb): Constify a char*.
17357 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17358 (output_parallel_addb): Remove extra arg to `constrain_operands'
17360 * pa.h: Move all prototypes to pa-protos.h.
17361 (pa_cpu_string, pa_arch_string): Constify a char*.
17362 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17364 * pa.md: Call `function_label_operand' with mode argument.
17365 Likewise for `read_only_operand'.
17366 Fix nesting of parens in call to `symbolic_operand'.
17368 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17370 * i860-protos.h: New file.
17372 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17375 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17377 * i860.md: Likewise.
17379 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17381 * i386.md (movstrsi expander): Rewrite.
17382 (movstrsi_1 insn): Deleted.
17383 (strmovhi, strmovqi expander): New expanders.
17384 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17385 * i386.c (x86_single_stringop): New global variable.
17386 * i386.h (x86_single_stringop): Declare.
17387 (TARGET_SINGLE_STRINGOP): New macro.
17389 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17391 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17392 integer vararg POSTINCREMENT before the destination of the jump
17393 for the hard fp case.
17394 (function_arg_pass_by_reference): Pass a copy of CUM to
17397 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17398 for CONSTANT_ADDRESS_P above while loop for subreg.
17400 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17402 * flow.c (propagate_block): When a prologue/epilogue insn
17403 is marked dead, unconditionally clear libcall_is_dead and
17404 insn_is_dead, and only dump rtl if warnings aren't being
17407 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17409 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17410 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17411 (FIXED_REGISTERS): Set dirflag as fixed.
17412 (CALL_USED_REGISTERS): Set dirflag as used.
17413 (REG_ALLOC_ORDER): Set dirflag as last one.
17414 (DIRFLAG_REG): New macro.
17415 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17416 (HI_REGISTER_NAMES): Add dirflag.
17417 (DEBUF_PRINT_REG): Handle dirflag.
17418 * i386.md (type attribute): New cld and str types.
17419 (length_opcode attribute): Set cld and str to 1.
17420 (memory attribute): Set str to unknown - it is not clear from the
17422 (pent_np function unit): Prefixed string operations takes 12 cycles
17423 minimally; cld takes 2 cycles.
17424 (ppro_uops attribute): Str is "many" and cld is "few".
17425 (ppro_p0 unit): Handle cld here.
17426 (k6_alux unit): Handle cld and str types.
17427 (k6_load unit): It is ocupied by str opcodes.
17428 (k6_store unit): It is ocupied by str opcodes.
17429 (athlon_decode): Str is vector decoded.
17430 (athlon_ieu): Handle str and cld.
17431 (cld pattern): New.
17432 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17433 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17434 cmpstrsi_nz_1 insn): Do not output cld instruction
17436 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17438 * gcc.texi (G++ and GCC): Add Java and Chill.
17439 (Bug Critera): Don't list languages.
17441 * gcc.texi (Incompatibilities): No longer claim most C compilers
17444 * gcc.texi (G++ and GCC): Update other front-ends list.
17446 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17448 * i386.c (ix86_expand_setcc): Fix typo.
17449 (ix86_expand_movcc): Similarly.
17451 * Band-aid until haifa's bitset implementation is nuked.
17452 * haifa-sched.c (extract_bitlst): New parameter for size of the
17453 bitset in bits. All callers changed. Avoid looking at undefined
17454 bits in the bitset.
17455 (edgeset_bitsize): New variable.
17456 (schedule_region): Initialize edgeset_bitsize.
17458 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17460 * Makefile.in (optabs.o): Depend on real.h
17461 (resource.o): Depend on insn-attr.h
17463 * builtins.c (result_vector): Wrap prototype in macro conditions
17464 governing definition and use.
17466 * c-common.c: Include tm_p.h.
17468 * c-lex.c: Likewise.
17470 * elfos.h: Constify a char*.
17472 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17473 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17474 parameter with ATTRIBUTE_UNUSED.
17476 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17479 * haifa-sched.c (schedule_insns): Mark parameter with
17482 * optabs.c: Include real.h.
17484 * real.h (ereal_atof): Add prototype arguments.
17486 * resource.c: Include insn-attr.h.
17488 * sdbout.c (sdbout_queue_anonymous_type,
17489 sdbout_dequeue_anonymous_types): Wrap in macro
17490 SDB_ALLOW_FORWARD_REFERENCES.
17491 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17494 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17496 * stupid.c: Include tm_p.h.
17498 * tree.c (real_value_from_int_cst): Mark parameter with
17501 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17503 * i960-protos.h: New file.
17505 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17508 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17510 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17512 * combine.c (expand_field_assignment): Do not discard SUBREGs
17513 while computing nonzero_bits.
17515 2000-01-09 Nick Clifton <nickc@cygnus.com>
17517 * config/arm/arm.c: Fix compile time warnings about signed vs
17518 unsigned constants.
17519 * config/arm/arm.h: Fix compile time warnings about signed vs
17520 unsigned constants.
17522 2000-01-09 Philip Blundell <philb@gnu.org>
17524 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17525 than `ldm' with only one register.
17526 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17529 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17532 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17534 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17537 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17539 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17540 assignment used as truth value.
17542 * function.c (assign_temp): Mark parameter `dont_promote' with
17543 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17544 PROMOTE_FOR_CALL_ONLY.
17546 * genrecog.c (write_subroutine): Mark variable `operands' with
17549 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17552 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17553 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17555 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17558 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17560 * config/c4x.h: Tidy up comments.
17561 * config/c4x.c: Likewise.
17563 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17565 * fold-const.c (lshift_double, rshift_double): Handle
17566 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17568 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17570 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17571 in prepare_function_start().
17573 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17575 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17576 longer allocate extra stack for function calls.
17578 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17580 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17582 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17584 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17586 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17588 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17589 * aix43.h: Revert Aug 2 change.
17590 (HAS_INIT_SECTION): Define, not visible yet.
17591 (LD_INIT_SWITCH): Define, not visible yet.
17592 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17594 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17596 * collect2.c (main): Expand ld2 size further.
17597 (export_object_lst): Cast assignment to avoid warning.
17598 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17599 (scan_prog_file, COFF): Do not collect initialization or
17600 finalization functions generated for entire shared object if
17601 init/fini support present.
17603 2000-01-07 Nick Clifton <nickc@cygnus.com>
17605 * config/elfos.h: Tidy up formatting of marcos. Make sure
17606 that .section directives are always prefixed by a tab.
17608 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17611 2000-01-07 Matt Austern <austern@sgi.com>
17613 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17616 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17618 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17620 (crtbegin.o, s-crtS): Likewise.
17622 2000-01-06 Richard Henderson <rth@cygnus.com>
17624 * alpha.md (adddi_2+1): Limit offset such that it will be
17625 loadable with a single ldah+lda pair.
17626 (adddi_2+2): Explicitly fail split if we can't make it work.
17628 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17630 * protoize.c: Conditionally include unistd.h.
17631 (IS_SAME_PATH_CHAR): New macro.
17632 (IS_SAME_PATH): New macro.
17633 (CPLUS_FILE_SUFFIX): New macro.
17634 (cplus_suffix): New static variable.
17635 (is_abspath): New static function.
17636 (in_system_include_dir): Handle DOS style pathnames.
17637 (file_could_be_converted): Likewise.
17638 (file_normally_convertible): Likewise.
17639 (directory_specified_p): Likewise.
17640 (file_excluded_p): Likewise.
17641 (abspath): Likewise.
17642 (shortpath): Likewise.
17643 (referenced_file_is_newer): Likewise.
17644 (save_def_or_dec): Likewise.
17645 (do_processing): Likewise.
17647 (edit_file): Likewise. Use rename instead of link.
17648 (rename_c_file): Likewise. Don't rename syscalls file.
17649 (munge_compile_params): Define null device for DOS based systems.
17650 (process_aux_info_file): Use binary mode if appliable.
17651 (edit_file): Likewise.
17652 * invoke.texi (Running Protoize): Document C++ suffixes used.
17654 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17655 IS_DIR_SEPARATOR macros.
17656 * collect2.c: Likewise.
17657 * cppinit.c: Likewise.
17658 * dwarf2out.c: Likewise.
17660 * gcov.c: Likewise.
17661 * prefix.c: Likewise.
17663 * toplev.c: Likewise.
17664 * system.h: And move to here.
17666 * prefix.c (update_path): Fix typo in variable name.
17668 2000-01-06 Richard Henderson <rth@cygnus.com>
17670 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17671 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17672 (count_reg_sets_1, count_reg_references): Likewise.
17673 (flow_loops_level_compute): Start counting actual loop depth at 1.
17674 (flow_loops_find): Likewise.
17675 * local-alloc.c (update_equiv_regs): Likewise.
17676 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17678 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17680 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17681 FIRST_PSEUDO_REGISTER
17682 * dwarf2out.c: Don't include frame.h
17683 * dwarfout.c: Likewise
17684 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17687 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17689 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17692 * i386.c (movsf splitter): Fix typo in my last checkin.
17694 2000-01-05 Nick Clifton <nickc@cygnus.com>
17696 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17697 own definition of this macro.
17698 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17699 flag_data_sections or UNIQUE_SECTION_P are true.
17701 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17702 unitialised data decls.
17704 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17705 being called for uninitialised data.
17707 * config/i386/interix.c (i386_pe_unique_section): Cope with
17708 being called for uninitialised data.
17710 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17711 for uninitialised data.
17713 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17714 for uninitialised data.
17716 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17717 for uninitialised data.
17719 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17720 (UNIQUE_SECTION_P): Always generate a unique section if
17721 flag_data_sections is true.
17722 (UNIQUE_SECTION): Also generate unique sections for
17723 uninitialised data.
17724 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17725 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17728 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17730 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17733 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17735 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17736 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17737 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17738 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17739 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17741 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17743 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17745 * c-decl.c (finish_enum): Simplify code to determine minimum and
17746 maximum values of the enum, and calculate the type. Remove check
17747 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17748 the DECL_INITIAL of each enumeration constant with a copy converted
17749 to the enumeration type. When updating variant types, don't bother
17750 updating the type itself.
17752 * c-typeck.c (build_binary_op): Simplify conditional expressions
17753 when weeding out spurious signed-unsigned warnings. Add new
17754 spurious warning category: if the unsigned quantity is an enum
17755 and its maximum value fits in signed_type(result_type). Update
17757 (build_conditional_expr): Warn here if one alternative is signed
17758 and the other is unsigned.
17760 2000-01-05 Nick Clifton <nickc@cygnus.com>
17762 * config/fr30/fr30.h: Remove extraneous comments.
17764 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17766 * reload1.c (choose_reload_regs): When disabling a reload, also
17767 set reload_spill_index to -1.
17769 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17771 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17773 (m68*-*-rtemself*): New target.
17774 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17775 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17776 (sparc*-*-rtemself*): New target.
17777 (sparc*-*-rtems*): Now elf not a.out.
17778 * config/i386/rtems.h: Include config/rtems.h.
17779 * config/i386/rtemself.h: Include config/rtems.h.
17780 * config/i960/rtems.h: Include config/rtems.h.
17781 * config/m68k/rtems.h: Include config/rtems.h.
17782 * config/m68k/rtemself.h: Include config/rtems.h.
17783 * config/mips/rtems64.h: Include config/rtems.h.
17784 * config/pa/rtems.h: Include config/rtems.h.
17785 * config/rs6000/rtems.h: Include config/rtems.h.
17786 * config/sh/rtems.h: Include config/rtems.h.
17787 * config/sh/rtemself.h: Include config/rtems.h.
17788 * config/sparc/rtems.h: Include config/rtems.h.
17789 * config/sparc/rtemself.h: Include config/rtems.h
17791 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17793 * final.c (shorten_branches): Correctly compute length of
17794 asms without operands.
17796 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17798 * configure.in: Add pj target.
17799 * configure: Regenerate.
17800 * config/pj: New directory.
17801 * config/pj/lib1funcs.S: New file.
17802 * config/pj/linux.h: New file.
17803 * config/pj/pj.c: New file.
17804 * config/pj/pj.md: New file.
17805 * config/pj/pjl.h: New file.
17806 * config/pj/t-pj: New file.
17807 * config/pj/xm-pj.h: New file
17809 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17811 * toplev.c (rest_of_compilation): Run shorten-branches before
17814 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17816 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17817 macros so that they're consistent with their names.
17818 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17819 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17821 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17823 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17824 modified inadvertently.
17826 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17828 * configure.in (v850*-*-rtems*): New target.
17829 * configure: Regenerate.
17830 * config/v850/rtems.h: New file.
17832 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17834 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17835 (__gthread_key_create): Likewise.
17836 (__gthread_key_dtor): Likewise.
17837 (__gthread_once): Fix logic.
17838 (__gthread_key_delete): Cast away constness.
17840 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
17841 * invoke.texi: Document.
17842 * i386/mingw32.h (CPP_SPEC): Use.
17843 (LIBGCC_SPEC): Likewise.
17844 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
17846 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17848 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
17849 (HANDLE_PRAGMA_PACK): Undefine.
17850 (SLOW_UNALIGNED_ACCESS): Define.
17852 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17854 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17855 to default definition.
17856 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
17857 (store_fixed_bit_field): Call macro with word_mode and alignment.
17858 (extract_bit_field): Call macro with relevant mode and alignment.
17859 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17860 to default definition.
17861 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
17863 (move_by_pieces_ninsns): Likewise.
17864 (clear_by_pieces): Likewise.
17865 (emit_push_insn): Likewise.
17866 (store_field): Call macro with relevant mode and alignment.
17867 (expand_expr): Likewise.
17868 (expand_expr_unaligned): Likewise.
17870 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
17871 (SLOW_UNALIGNED_ACCESS): Define.
17872 (CASE_VECTOR_MODE): Always use 32-bit offsets.
17873 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
17874 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
17875 (toc_section): Likewise and .toc pseudo-op.
17876 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
17878 (TEXT_SECTION_ASM_OP): Likewise.
17879 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
17882 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
17883 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
17884 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
17885 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
17886 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
17888 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
17890 * regclass.c: Revert my Jan 4 change to loop cost computation.
17892 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17894 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
17897 2000-01-04 Stan Cox <scox@cygnus.com>
17899 * haifa-sched.c (build_control_flow): Change unreachable simple
17900 loop test to check if current block has only one predecessor.
17901 (find_rgns): Initialize degree. Use dest as degree index, not src.
17903 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17905 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
17907 * calls.c (expand_call): Likewise for
17908 `old_stack_arg_under_construction'.
17910 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
17912 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
17915 * gcc.c (execute): Likewise for `ut' and `st'.
17917 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
17919 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
17921 * jump.c (jump_optimize_1): Likewise for `temp2'.
17923 * local-alloc.c (block_alloc): Likewise for `r1'.
17925 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
17927 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
17928 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
17930 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
17933 * reload.c (find_reloads): Likewise for `goal_alternative_number'
17934 and `goal_earlyclobber'.
17936 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
17938 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
17940 * stupid.c (stupid_life_analysis): Likewise for `chain'.
17942 * unroll.c (copy_loop_body): Likewise for `copy'.
17944 * varasm.c (output_constructor): Likewise for `byte'.
17946 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17948 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
17949 all FP constants for constant->reg moves.
17950 (ix86_split_to_parts): Try to convert memory address into immediate
17951 when available in the constant pool.
17952 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
17954 (LEGITIMATE_CONSTANT_P): Return 1.
17955 * i386.md (pushsf): New splitter to convert constant pool memory
17956 reference to immediate.
17957 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
17960 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
17962 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
17963 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
17964 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
17965 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
17966 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
17968 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
17970 * ginclude/stdbool.h: Support compilation as C++.
17972 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17974 * fold-const.c (make_range): Don't try to reverse an unbounded range.
17976 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
17978 * regclass.c (regclass): Properly compute loop_cost. Adjust
17981 * regclass.c: Fix minor whitespace problems.
17983 2000-01-03 Anthony Green <green@cygnus.com>
17985 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
17986 Restore the pic register if required.
17988 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
17990 * c-common.c (format_char_info): Update comment.
17991 (check_format_info): Recognize 'z' modifier in the same way 'Z'
17992 was recognized. Emit warning for formats new in ISO C99 only
17993 if flag_isoc9x is not set.
17995 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
17997 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
17999 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18001 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18002 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18003 (make_compound_operation): Choose cheaper alternative between
18004 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18006 * regclass.c (op_costs): Remove global variable.
18007 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18008 (record_operand_costs): Break out from ...
18009 (scan_one_insn): ... here.
18010 (dump_regclass): Make dumps nicer.
18011 (regclass): Dump preferrences choosed and changes done during passes.
18013 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18015 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18017 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18019 * config/sparc/sparc.c (gen_df_reg): New function.
18020 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18021 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18022 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18023 movtf_cc_reg_sp64+1): Use it.
18025 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18027 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18028 copied LABEL_DECLs.
18030 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18032 * config/i386/i386.c (ix86_expand_unary_operator): Function
18033 definition made void.
18034 (ix86_expand_binary_operator): Update outdated preceding comment.
18035 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18038 * config/i386/i386.c (override_options): Fix option-name typo.
18040 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18042 * system.h (CEIL): Define.
18043 * builtins.c (CEIL): Remove.
18044 * expmed.c (CEIL): Likewise.
18045 * expr.c (CEIL): Likewise.
18046 * stor-layout.c (CEIL): Likewise.
18048 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18050 * expr.c (store_constructor_field): Fix typo introduced with last
18053 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18055 * tree.h (BINFO_N_BASETYPES): New macro.
18057 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18059 * expmed.c (emit_store_flag): Prevent losing a pending stack
18060 adjust the same way we prevent losing queued increments.
18062 See ChangeLog.2 for earlier changes.