1 2000-07-12 Neil Booth <NeilB@earthling.net>
3 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
4 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
6 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
7 struct toklist_dummy): New.
8 (cpp_free_definition): Free macros with free_macro.
9 (count_params): Don't save paramter spellings. Save macro
10 information in a struct macro_info.
11 (parse_define): Don't allocate a token list.
12 (save_expansion): Allocate the macro's token list, and
13 save parameter spellings if necessary. Use TOKEN_SPELL.
14 (cpp_create_definition): Make list const.
16 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
18 * c-typeck.c (pedwarn_c99): Move to
19 * c-errors.c: ... Here.
20 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
21 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
22 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
23 (c-errors.o): List dependency.
25 2000-07-12 Mark Mitchell <mark@codesourcery.com>
28 * c-parse.h: Likewise.
29 * c-parse.y: Likewise.
30 * objc/objc-parse.c: Likewise.
31 * objc/objc-pasre.y: Likewise.
33 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
35 * gcc.texi: Fix minor typos
36 * extend.texi: Fix minor typos
38 2000-07-11 Marc Espie <espie@openbsd.org>
40 * collect2.c (main): Recognize .lo as object files.
42 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
44 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
47 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
48 with MAP_ANONYMOUS and MAP_ANON.
49 * configure, config.in: Rebuilt.
51 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
53 * diagnostic.c (save_output_state): Remove.
54 (restore_output_state): Likewise.
55 (clear_text_info): New function.
56 (clear_diagnostic_info): Likewise.
57 (output_text_length, is_starting_newline, output_prefix,
58 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
59 prefixing_policy, output_buffer_ptr_to_format_args): New macros
60 (set_real_maximum_length, output_set_maximum_length,
61 output_set_prefix, output_get_prefix, output_set_maximum_length,
62 output_destroy_prefix, init_output_buffer,
63 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
64 output_add_newline, output_add_character, output_add_space,
65 output_append_r, output_append, wrap_text, output_format,
66 output_do_printf, output_printf, output_do_verbatim,
67 output_verbatim, verbatim): Use them.
68 (output_clear): Split into cleat_text_info and
69 clear_diagnostic_info.
70 (struct output_state): Move to...
72 * diagnostic.h: ...Here
73 (struct output_buffer): Adjust.
75 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
77 * cpplex.c (parse_name): No longer inline (premature optimization).
78 (do_pop_context): Fold into pop_context.
79 (pop_context): Returns int.
80 (lex_next): Hoist test for end of directive into pop_context.
81 (push_macro_context): Returns int; takes just reader and token.
82 Hoist test for excessive nesting to caller.
83 (push_arg_context): Returns void; takes just reader and token.
84 Do not call stringify_arg or get_raw_token.
85 (get_raw_token): Convert tail recursion through push_arg_context
86 to a loop at this level. Call stringify_arg here if appropriate.
87 (maybe_paste_with_next): Convert tail recursion to a while loop.
88 Hoist test of paste_level to caller.
90 (stringify_arg): Push arg context at beginning.
91 (cpp_get_token): Split out core into _cpp_get_token. Call
92 process_directive here. Throw away CPP_PLACEMARKER tokens.
93 (_cpp_get_token): Convert tail recursion through
94 push_macro_context to a loop at this level.
95 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
96 _cpp_get_raw_token): Use _cpp_get_token.
97 (_cpp_skip_rest_of_line): Drop the context stack directly; do
99 (_cpp_run_directive): Call lex_next directly.
101 * cpphash.h: Prototype _cpp_get_token.
102 * cppexp.c (lex): Use it.
103 * cpphash.c (parse_define): Use it.
104 * cpplib.c (get_define_node, do_undef, parse_include,
105 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
106 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
107 parse_ifdef, validate_else): Use it.
108 (cpp_push_buffer): Tweak error message; abort if anyone tries
109 to push a buffer while macro expansions are stacked.
111 2000-07-11 Donn Terry <donnte@microsoft.com>
113 * cpplex.c (free_macro_args, save_token): Cast arg of free
114 and/or xrealloc to PTR.
115 (_cpp_init_input_buffer): Clear all fields of the base context.
117 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
119 * gensupport.c (process_rtx): Make rtl checking stop
120 complaining about the define_insn while it is being
121 converted from a define_insn_and_split.
123 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
125 * config/mips/mips.c (simple_memory_operand): Access the
126 INTVAL of the address, not it's containing MEM.
128 2000-07-11 Bruce Korb <bkorb@gnu.org>
130 * fixinc/fixtests.c(double_slash): obsolete
131 (else_endif_label): likewise
132 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
133 (libc1_ifdefd_memx): correct initial comment
134 and omit the #if/#endif pair from the memxxx declarations
135 * fixinc/fixincl.x: regen
137 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
139 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
141 2000-07-11 Neil Booth <NeilB@earthling.net>
145 2000-07-11 Neil Booth <NeilB@earthling.net>
147 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
148 (handle_option): Set digraphs according to standard.
149 Merge OPT_lang_c89 handler with OPT_std_c89.
151 * cpplex.c: (lex_line, can_paste): Honour digraphs in
152 accordance with the digraphs flag.
154 * cpplib.h: (struct cpp_options): New option digraphs.
156 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
157 Bruce Korb <bkorb@gnu.org>
159 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
160 * fixinc/fixincl.x: Regenerate.
161 * fixinc/tests/base/testing.h: Add testcase.
163 2000-07-10 Richard Henderson <rth@cygnus.com>
165 * config/ia64/ia64.c (got_symbolic_operand): New.
166 (symbolic_operand, move_operand): Revert 0701 change.
167 * config/ia64/ia64.h (PREDICATE_CODES): Update.
168 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
169 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
170 split the offset into a 14-bit low part instead of a 13-bit low part.
171 (load_fptr): Mark the mem as unchanging.
172 (load_symptr): Use got_symbolic_operand.
174 2000-07-10 Nick Clifton <nickc@cygnus.com>
176 * libgcc2.c (next_stack_level): Cast result of computation to
177 (void **) so that the assignment does not generate a warning.
179 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
181 * flags.h : Add new variable flag_single_precision_constant.
182 * toplev.c (display_help) : Add -fsingle-precision-constant option.
183 (flag_single_precision_constant): New.
184 * c-lex.c (yylex): Convert floating point constant to single
186 * invoke.texi : Add documentation for this new option.
188 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
190 * diagnostic.c (output_octal): Second parameter is unsigned.
191 (output_long_octal): Likewise.
192 (output_hexadecimal): Likewise.
193 (output_long_hexadecimal): Likewise.
194 (output_format): Adjust arguments extraction. Tweak.
195 (output_verbatim, verbatim): End variable argument list.
196 (report_diagnostic): Improve documentation.
198 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
200 * c-common.h (build_stmt): Declare.
201 (build_continue_stmt): Likewise.
202 (build_break_stmt): Likewise.
203 (build_return_stmt): Likewise.
205 * c-decl.c (do_case): Rewrite to do what previously done in
208 * c-semantics.c (build_stmt): Define.
209 (build_return_stmt): Likewise.
210 (build_break_stmt): Likewise.
211 (build_continue_stmt): Likewise.
212 (build_case_label): Likewise.
214 * c-parse.in (BREAK): Change to build tree, then generate RTL.
215 (CONTINUE): Likewise.
220 * c-parse.y: Regenerate.
221 * c-pasre.c: Likewise.
223 2000-07-09 Jason Merrill <jason@redhat.com>
225 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
227 * tree.h (STRIP_NOPS): Check for error_mark_node.
228 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
229 (dwarf2out_*): Remove duplicate declarations.
231 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
232 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
234 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
236 * diagnostic.c (wrap_text): New function.
237 (maybe_wrap_text): Likewise.
238 (output_add_string): Use it.
239 (output_format): Likewise.
240 (count_error): Use verbatim instead of notice.
241 (report_error_function): Likewise. Don't use plain fprintf.
242 (finish_diagnostic): New function.
243 (output_do_verbatim): Tweak. Commonalize functionalities in
244 output_verbatim and verbatim.
245 (output_verbatim): Adjust.
246 (verbatim): Likewise.
247 (report_diagnostic): Define.
249 * diagnostic.h (report_diagnostic): Prototype.
251 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
253 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
255 2000-07-09 Neil Booth <NeilB@earthling.net>
257 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
258 IShspace, ISspace: Update.
260 * cppinit.c: ISTABLE: Update.
263 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
264 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
265 (skip_block_comment, skip_line_comment, parse_string,
266 lex_line): Use is_vspace rather than IS_NEWLINE.
267 (skip_whitespace, lex_line): Clean up to use is_nvspace.
268 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
270 (lex_next): Unconditionally stop if within a directive.
271 Treat directives within macro invocations as directives
272 (after parse_args emits error), not as the argument.
274 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
276 * diagnostic.c (diagnostic_args): New macro.
277 (diagnostic_msg): Likewise.
278 (output_formatted_integer): Likewise.
279 (output_state): New data type.
280 (digit_buffer): Make global.
281 (output_add_integer): Rename to output_decimal. Squeeze
283 (output_long_decimal, output_unsigned_decimal,
284 output_long_unsigned_decimal, output_octal, output_long_octal,
285 output_hexadecimal, output_long_hexadecimal): New functions.
286 (output_append_r): New function.
287 (output_append): Tweak.
288 (output_flush_on): Rename to output_to_stream.
289 (output_format): Change prototype. Improve documentation. Handle
290 more format specifiers.
291 (build_location_prefix): Rename to context_as_prefix.
292 (output_notice): Rename to output_do_printf.
293 (output_printf): Tweak.
294 (line_wrapper_printf): Likewise.
295 (vline_wrapper_message_with_location): Adjust call to renamed
297 (v_message_with_decl): Likewise.
298 (default_print_error_function): Likewise.
299 (save_output_state): New function.
300 (restore_output_state): Likewise.
301 (output_do_verbatim): Likewise.
302 (output_verbatim): Define.
303 (verbatim): Likewise.
305 * diagnostic.h (printer_fn): Change return type from void to int.
306 Improve documentation.
307 (output_add_integer): Rename to output_decimal.
308 (output_flush_on, output_format): Don't export.
309 (output_verbatim, verbatim): Declare.
311 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
313 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
314 Check whether c divides op1 exactly if operation is not
317 2000-07-08 Richard Henderson <rth@cygnus.com>
319 * final.c (final): Do not abort when reg-stack introduces
322 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
324 * cpplib.h (struct cpp_name): Now struct cpp_string.
325 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
326 CPP_HEADER_NAME): Change to type S.
327 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
328 field, a cpp_hashnode *. All references to val.name updated
329 to use val.str or val.node as appropriate.
330 (struct cpp_reader): Add spec_nodes field.
331 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
333 * cpphash.h (struct spec_nodes): New.
334 (enum spell_type): Reorder. Only SPELL_STRING tokens use
335 val.str. All references to 'spelling > SPELL_NONE' updated to
338 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
339 pfile->buffer->inc are not NULL before dereferencing them.
341 * cpplex.c (parse_name): Take a pointer to the current token,
342 plus current position and limit as args; return the new
343 position; don't copy the text of a name into the string
344 buffer, instead call cpp_lookup and store the node pointer.
345 If extending a token, copy out the text of the old into a
346 scratch buffer, append the new, look that up and store the new
347 node pointer. Inline.
348 (maybe_paste_with_next): If the result of paste is a NAME,
349 then look up the pasted text and store its node pointer.
350 (lex_line): Adjust for new parse_name interface.
351 Check for L"str", L'str' using spec_nodes->n_L.
352 (spell_token): SPELL_IDENT tokens have their spelling in
353 val.node->name. Handle SPELL_STRING tokens that don't have
355 (_cpp_expand_name_space,
356 (can_paste): Check for L ## "str" using spec_nodes->n_L.
357 (cpp_get_token, special_symbol): No need to call cpp_lookup.
358 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
359 return 1=equal 0=not, not a tristate.
361 * cpphash.c (var_args_str): Delete.
362 (find_param): Compare node fields directly.
363 (is__va_args__): Use CPP_PEDANTIC. Just compare
364 token->val.node with spec_nodes->n__VA_ARGS__.
365 (dump_funlike_macro): Don't use var_args_str.
367 * cpplib.c (_cpp_check_directive): Just walk through
368 spec_nodes->dirs comparing pointers.
369 (get_define_node, do_pragma_poison, detect_if_not_defined,
370 parse_ifdef): The identifier has already been looked up.
371 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
373 (do_if): Only call detect_if_not_defined at beginning of file.
374 (_cpp_parse_assertion): Only copy string pointers for
376 (pragma_dispatch): Take a node pointer and examine its name
378 (_cpp_init_stacks): Also initialize the spec_nodes structure.
380 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
382 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
383 reverse order from the corresponding _cpp_init_* routines.
385 * cppexp.c (parse_number, parse_charconst, parse_defined,
386 lex): Check val.node->type instead of calling cpp_defined.
387 Use spec_nodes entries where appropriate.
389 * fix-header.c, scan-decls.c: Update for interface changes.
391 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
393 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
394 emitting aux_truncdfsf2.
396 2000-07-03 Donn Terry (donnte@microsoft.com)
398 * cppinit.c (print_help): split overlong line into ISO C89
401 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
403 * cppexp.c: Update all code for new lexer interface.
404 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
405 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
406 * cpplex.c (token_names): Trim leading CPP_ from names; make
407 the strings unsigned.
408 (_cpp_spell_operator): New.
409 (is_macro_disabled): Disable all macros if rescanning
411 (_cpp_get_directive_token): Remove.
413 * cppinit.c: Don't set no_macro_expand.
414 * cpplib.c (read_line_number, do_line): Check only for EOF,
416 * cpphash.h: Update prototypes.
417 * cpplib.h (CPP_VSPACE): Remove.
418 (struct cpp_reader): Remove no_macro_expand.
420 2000-07-08 Neil Booth <NeilB@earthling.net>
422 * cpphash.c (is__va_args__): New function.
423 (count_params): Fix line reported in error messages. Use
424 is__va_args__. Don't return ')' on error. Flag GNU style
425 rest args macro definitions.
426 (parse_define): Check macro name is not __VA_ARGS__.
427 (save_expansion): Check identifier in non-varargs-macro is
428 not __VA_ARGS__. Don't flag GNU_VARARGS.
429 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
430 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
431 than per-token GNU_VARARGS.
432 * cpplib.h (GNU_VARARGS): Remove.
433 (GNU_REST_ARGS): New.
435 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
437 * i386.md (call_pop, call, call_value_pop): Do not set
438 current_function_uses_pic_offset_table for calls to static
439 functions or indirect calls.
441 2000-07-07 Jim Wilson <wilson@cygnus.com>
443 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
444 is_predicate_reg, then take max write_count of register pair.
446 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
448 * tradcpp.c (main): Rename label `include' to `add_include' to
449 avoid conflicts with variable `include' in traditional C.
451 2000-07-07 Jakub Jelinek <jakub@redhat.com>
453 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
455 2000-07-07 Jakub Jelinek <jakub@redhat.com>
457 * sibcall.c (uses_addressof): Add INMEM argument, check for
458 current_function_internal_arg_pointer outside of MEM rtxs in addition
460 (sequence_uses_addressof): Update caller.
462 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
464 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
467 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
469 * system.h (UNION_INIT_ZERO): New macro for initializing union
472 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
474 2000-07-07 Neil Booth <NeilB@earthling.net>
478 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
480 * final.c (final): Detect out of bounds array access to
481 the insn_lengths array.
483 2000-07-07 Kazu Hirata <kazu@hxi.com>
485 * fold-const.c (fold): Fix a comment typo.
487 2000-07-07 Neil Booth <NeilB@earthling.net>
489 * cpp.texi: Update to new lexer.
491 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
493 * tradcpp.c: New file.
494 * tradcif.y: New file.
495 * tradcif.c: New generated file.
497 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
498 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
499 dependencies of C. Install tradcpp from install-common, in
502 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
504 * cppinit.c: Include cppdefault.h. Refer to
505 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
506 to GCC_INCLUDE_DIR and its length.
507 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
508 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
509 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
511 (include_defaults_array): Move to cppdefault.c.
513 * cppdefault.h: New file.
514 * cppdefault.c: New file.
516 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
517 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
518 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
521 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
523 * reload.c (push_reload): When seeing if can reuse a register,
524 check extra registers against widest of INMODE and OUTMODE.
526 2000-07-06 Neil Booth <NeilB@earthling.net>
528 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
529 based on full length of predicate.
531 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
533 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
534 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
536 2000-07-05 Kazu Hirata <kazu@hxi.com>
538 * h8300-proto.h: Fix formatting.
542 2000-07-05 Jim Wilson <wilson@cygnus.com>
544 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
547 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
549 * invoke.texi: Fix minor typos
550 * md.texi: Fix minor typos
552 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
554 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
556 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
558 * cpplex.c: Don't include sys/mman.h.
559 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
561 * cpplib.c: Include sys/mman.h and obstack.h.
562 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
564 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
565 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
566 bother freeing if stack entries (they will be freed with their buffer).
567 (do_endif): Free if stack entries from the buffer obstack.
568 (push_conditional): Allocate if stack entries from the buffer obstack.
570 (find_answer): Rename to _cpp_find_answer.
571 (do_assert, do_unassert): Update.
573 * cpphash.h: Update prototypes.
574 (xobnew): New convenience macro.
575 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
577 (struct cpp_hashnode): Remove disabled field.
579 * cppinit.c: Don't include hashtab.h or splay-tree.h.
580 (report_missing_guard): Moved to cppfiles.c.
581 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
583 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
584 cpp_cleanup_includes. Don't destroy hashtab or
585 all_include_files here.
586 (cpp_finish): Use _cpp_report_missing_guards.
588 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
589 (_cpp_init_include_table): Rename _cpp_init_includes.
590 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
592 * cppexp.c (parse_assertion): Update for new name of
595 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
597 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
599 * cpplib.c (do_ident): s/VSPACE/EOF/
601 2000-07-05 Neil Booth <NeilB@earthling.net>
603 * cpplex.c: Fix trigraph replacement within strings.
605 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
607 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
609 * xcoffout.c (assign_type_number): Constify.
610 (xcoffout_source_file): Add static prototype. Don't needlessly
611 cast away const-ness.
613 2000-07-04 Jason Merrill <jason@redhat.com>
615 * frame.h (frame_state): Move base_offset to end.
617 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
619 * calls.c (emit_library_call_value_1): Revert previous change.
621 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
623 * fix-header.c (struct partial_proto): Remove unnecessary fields.
624 (recognized_extern, recognized_function, read_scan_file):
625 Update for new scheme.
626 (check_protection): It's still a multiple include guard even
627 if it doesn't always trigger.
628 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
630 * scan.h: Declare struct cpp_token. Update prototypes.
632 2000-07-03 Neil Booth <neilb@earthling.net>
633 Zack Weinberg <zack@wolery.cumb.org>
635 Complete overhaul of the lexer and macro expander.
637 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
638 arg, arglist, argdata, reflist, collect_objlike_expansion,
639 collect_funlike_expansion, collect_params,
640 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
641 unsafe_chars, macarg, compare_defs, special_symbol,
642 scan_arguments, stringify, funlike_macroexpand,
643 _cpp_quote_string, monthnames): Delete.
644 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
645 _cpp_create_definition, _cpp_dump_definition,
646 dump_hash_helper): Adjust.
647 (find_param, count_params, parse_define, var_args_str,
648 check_macro_redefinition, save_expansion): New.
650 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
651 parse_string, output_line_command, trigraph_replace,
652 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
653 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
654 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
655 _cpp_skip_rest_of_line): Modify.
657 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
658 find_position, null_warning, bump_column, expand_name_space,
659 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
660 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
661 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
662 _cpp_prescan): Delete.
664 (dump_param_spelling, process_directive, lex_next,
665 is_macro_disabled, stringify_arg, expand_context_stack,
666 output_token, make_string_token, alloc_number_token,
667 special_symbol, duplicate_token, maybe_paste_with_next,
668 can_paste, prevent_macro_expansion, restore_macro_expansion,
669 get_temp_token, release_temp_tokens, quote_string,
670 token_names, token_spellings, _cpp_expand_name_space,
671 _cpp_glue_header_name, _cpp_reserve_name_space,
672 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
673 placemarker_token, eof_token, cpp_context, macro_args,
674 get_raw_token, parse_arg, parse_args, save_token,
675 push_arg_context, push_macro_context, pop_context,
676 do_pop_context, free_macro_args, _cpp_get_line,
677 _cpp_run_directive): New.
679 * cpplib.c (validate_else, parse_include, push_conditional,
680 pass_thru_directive, read_line_number, parse_ifdef,
681 detect_if_not_defined, _cpp_check_directive, do_define,
682 do_undef, do_include, do_import, do_include_next, do_error,
683 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
684 top_pragmas, do_pragma_gcc, do_pragma_implementation,
685 do_pragma_poison, do_pragma_system_header,
686 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
687 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
688 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
689 cpp_defined): Update for new scheme.
690 (strtoul_for_line, get_define_node, dump_macro_name,
691 _cpp_check_linemarker, _cpp_parse_assertion): New.
692 (_cpp_handle_directive, do_pragma_default): Delete.
694 * cpphash.h (struct predicate): Now struct answer.
695 (enum spell_type, struct token_spelling, struct directive,
696 directive_handler): New.
697 Update prototypes. Remove unused macros.
698 * cpplib.h: Update prototypes. Remove unused macros,
699 structure definitions, and fields.
701 * cpperror.c (print_containing_files, v_message): Adjust.
702 * cppexp.c (parse_assertion, lex, parse_escape,
703 _cpp_parse_expr): Adjust.
704 * cppfiles.c (open_include_file, _cpp_execute_include,
705 _cpp_compare_file_date, cpp_read_file, read_include_file):
707 * cppinit.c (dump_special_to_buffer): Delete.
708 (append_include_chain, merge_include_chains, cpp_reader_init,
709 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
710 cpp_finish, handle_option, print_help): Adjust.
711 * cppmain.c (main): Adjust.
713 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
715 * cppspec.c (lang_specific_driver): Use double quotes in error
718 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
720 * calls.c (emit_library_call_value_1): Use valreg instead
721 of hard_libcall_value.
723 2000-07-03 Geoff Keating <geoffk@cygnus.com>
725 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
726 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
727 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
735 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
736 mode instead of wider_mode is being used.
738 2000-07-03 Jakub Jelinek <jakub@redhat.com>
740 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
741 of 'r'. Use q_regs_operand.
742 (andsi_1+2): Use q_regs_operand.
744 2000-07-03 Jakub Jelinek <jakub@redhat.com>
746 * builtins.c (get_memory_rtx): Always put into alias set 0.
748 2000-07-03 Nick Clifton <nickc@cygnus.com>
750 * config/arm/arm.md: Fix post increment and pre increment
751 peepholes so that they do not generate UNPREDICATBLE opcodes.
752 (ie ones where the increment clobbers the source/destination).
754 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
756 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
757 change too big for -mtiny-stack" a warning, if larger than 63.
758 (out_set_stack_ptr): Change the logic so -mno-interrupts is
759 always safe to use on possible future devices.
760 (function_prologue): Write SPH before SPL, for consistency.
761 If interrupt_func_p true, we know we have enabled interrupts.
762 (avr_num_arg_regs): New function. Round up to even number of
763 bytes if no -mpack-args or if calling a libgcc function.
764 (function_arg, function_arg_advance): Use it.
765 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
766 Output "movw" if available.
767 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
768 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
769 (asm_output_section_name): Add blanks for consistent output.
770 (encode_section_info): Set TREE_READONLY for progmem data to
771 avoid gas warnings about changed section attributes.
772 (avr_hard_regno_mode_ok): Force non-QImode data to start in
773 even numbered registers on devices with "movw".
774 * config/avr/avr.h (MASK_*): Define bits for target_flags.
775 (TARGET_SWITCHES): Mark help strings for translation.
776 Add new -mpack-args and -menhanced switches.
777 (TARGET_OPTIONS): Mark help strings for translation.
778 (progmem_section): Add section attributes.
779 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
780 Output "movw" if available.
781 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
783 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
784 call convention (arguments aligned on even registers).
785 (_cleanup, _exit): Make weak symbols libc can override.
787 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
789 * fp-bit.h: New file.
791 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
792 Comment #endif statements.
793 (__thenan_sf, __thenan_df): Add missing braces around initializer.
795 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
797 * gcse.c (compute_pre_data): Compute ae_kill using other local
798 properties instead of calling compute_ae_kill.
800 * alias.c (init_alias_analysis): Do not call
801 prologue_epilogue_contains until after reload has completed.
803 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
805 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
806 (genrtl_finish_compound_stmt): Likewise.
807 (genrtl_compound_stmt): Change to return void.
809 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
810 move code from here to ...
811 (genrtl_compound_stmt): ... here.
812 (genrtl_finish_compound_stmt): Remove.
813 (expand_stmt): Add comment.
815 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
817 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
820 2000-07-02 Jakub Jelinek <jakub@redhat.com>
822 * cpplib.h (struct cpp_reader): New field include_depth.
823 (struct cpp_printer): Rename last_bsd to last_id.
824 * cppfiles.c (read_include_file): Bump include_depth.
825 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
826 (output_line_command): Output correct #line if a header
827 is including itself and is not protected against multiple inclusion.
828 Use include_depth instead of buffer_stack_depth, last_id instead of
830 * cppinit.c (cpp_start_read): Initialize last_id instead of
833 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
835 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
836 (c-semantics.o): New target.
838 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
839 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
840 (genrtl_clear_out_block): Likewise.
841 (genrtl_goto_stmt): Likewise.
842 (genrtl_expr_stmt): Likewise.
843 (genrtl_decl_stmt): Likewise.
844 (genrtl_if_stmt): Likewise.
845 (genrtl_while_stmt): Likewise.
846 (genrtl_do_stmt): Likewise.
847 (genrtl_return_stmt): Likewise.
848 (genrtl_for_stmt): Likewise.
849 (genrtl_break_stmt): Likewise.
850 (genrtl_continue_stmt): Likewise.
851 (genrtl_scope_stmt): Likewise.
852 (genrtl_switch_stmt): Likewise.
853 (genrtl_case_label): Likewise.
854 (genrtl_begin_compound_stmt): Likewise.
855 (gerntl_finish_compound_stmt): Likewise.
856 (genrtl_compound_stmt): Likewise.
857 (genrtl_asm_stmt): Likewise.
858 (genrtl_decl_cleanup): Likewise.
859 (DECL_ANON_UNION_ELEMS): Likewise.
860 (emit_local_var): Likewise.
861 (make_rtl_for_local_static): Likewise.
862 (expand_cond): Likewise.
863 (expand_stmt): Likewise.
864 (c_expand_return): Likewise.
865 (c_expand_start_case): Likewise.
867 (COMPOUND_STMT_NO_SCOPE): Likewise.
868 (c_expand_asm_operands): Likewise.
869 (NEW_FOR_SCOPE_P): New macro.
870 (expand_expr_stmt_fn): New type.
872 (set_current_function_name_declared): Likewise.
873 (current_function_name_declared): Likewise.
874 (lang_expand_stmt): Likewise.
875 (stmts_are_full_exprs_p): Likewise.
876 (anon_aggr_type_p): Likewise.
877 (lang_expand_expr_stmt): Likewise.
878 (build_case_label): Likewise.
880 * c-decl.c (lang_expand_expr_stmt): Initialize.
881 (stmts_are_full_exprs_p): Define.
882 (current_function_name_declared): Likewise.
884 (lang_expand_stmt): Likewise.
885 (set_current_function_name_declared): Likewise.
886 (anon_aggr_type_p): Likewise.
888 * c-semantics.c: New file.
889 (expand_cond): Moved from cp/semantics.c.
890 (genrtl_do_pushlevel): Likewise.
891 (genrtl_clear_out_block): Likewise.
892 (genrtl_goto_stmt): Likewise.
893 (genrtl_expr_stmt): Likewise.
894 (genrtl_decl_stmt): Likewise.
895 (genrtl_if_stmt): Likewise.
896 (genrtl_while_stmt): Likewise.
897 (genrtl_do_stmt): Likewise.
898 (genrtl_return_stmt): Likewise.
899 (genrtl_for_stmt): Likewise.
900 (genrtl_break_stmt): Likewise.
901 (genrtl_continue_stmt): Likewise.
902 (genrtl_scope_stmt): Likewise.
903 (genrtl_switch_stmt): Likewise.
904 (genrtl_case_label): Likewise.
905 (genrtl_begin_compound_stmt): Likewise.
906 (genrtl_finish_compound_stmt): Likewise.
907 (genrtl_compound_stmt): Likewise.
908 (genrtl_asm_stmt): Likewise.
909 (genrtl_decl_cleanup): Likewise.
910 (make_rtl_for_local_static): Moved from cp/decl.c.
911 (emit_local_var): Likewise.
912 (expand_stmt): Define.
914 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
915 (c_expand_return): Likewise.
916 (c_expand_start_case): Likewise.
918 2000-07-01 Richard Henderson <rth@cygnus.com>
920 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
921 with the low 13 bits set.
922 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
923 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
924 of the low 13 bits into a CONST plus an adddi3.
925 (load_symptr): Set RTX_UNCHANGING_P.
927 2000-06-30 Mark Mitchell <mark@codesourcery.com>
929 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
930 * c-common.c (ridpointers): Declare.
931 * c-common.h (enum rid): Declare.
933 (ridpointers): Likewise.
934 * c-lex.c (ridpointers): Don't declare.
935 (init_lex): Initialize ridpointers.
936 * c-lex.h (enum rid): Don't declare.
938 (RID_FIRST_MODIFIER): Likewise.
939 (ridpointers): Likewise.
941 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
943 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
946 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
948 * invoke.texi (-Wreturn-type): In C++, a missing return type is
951 2000-06-30 Catherine Moore <clm@cygnus.com>
953 * c-common.c (decl_attributes): Differentiate between
954 types and type decls for alignment.
956 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
958 * cpp.texi: Document #pragma GCC dependency
959 * cppfiles.c (open_include_file): Set date to unknown.
960 (_cpp_compare_file_date): New function.
961 (read_include_file): Set file date.
962 * cpphash.h (struct include_file): Add date member.
963 (_cpp_compare_file_date): Prototype.
964 * cpplib.c (parse_include): Add trail parameter. Adjust.
965 (do_include): Adjust parse_include call.
966 (do_import): Likewise.
967 (do_include_next): Likewise.
968 (gcc_pragmas): Add dependency pragma.
969 (do_pragma_dependancy): New pragma.
971 2000-06-29 Jason Merrill <jason@redhat.com>
973 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
976 2000-06-29 Jim Wilson <wilson@cygnus.com>
978 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
979 a volatile mem and FR_REGS.
981 2000-06-29 Mark Mitchell <mark@codesourcery.com>
983 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
984 * c-common.h (flag_const_strings): Declare.
985 (warn_format): Likewise.
986 (flag_traditional): Likewise.
987 (flag_isoc99): Likewise.
988 (warn_parentheses): Likewise.
989 (warn_conversion): Likewise.
990 (C_TYPE_OBJECT_P): Likewise.
991 (C_TYPE_INCOMPLETE_P): Likewise.
992 (C_TYPE_FUNCTION_P): Likewise.
993 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
994 (C_EXP_ORIGINAL_CODE): Likewise.
995 (build_unary_op): Likewise.
996 (build_binary_op): Likewise.
997 (lvalue_p): Likewise.
998 (default_conversion): Likewise.
999 (common_type): Likewise.
1000 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1001 (C_TYPE_INCOMPLETE_P): Likewise.
1002 (C_TYPE_FUNCTION_P): Likewise.
1003 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1004 (C_EXP_ORIGINAL_CODE): Likewise.
1005 (common_type): Likewise.
1006 (default_conversion): Likewise.
1007 (build_binary_op): Likewise.
1008 (build_unary_op): Likewise.
1009 (lvalue_p): Likewise.
1010 (flag_const_strings): Likewise.
1011 (warn_format): Likewise.
1012 (warn_conversion): Likewise.
1013 (flag_traditional): Likewise.
1014 (flag_isoc99): Likewise.
1015 (warn_parentheses): Likewise.
1017 2000-06-29 James E. Wilson <wilson@cygnus.com>
1019 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1021 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1022 same. Only tie XFmode with XFmode.
1024 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1026 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1027 * Makefile.in: Update deps.
1029 2000-06-29 Andrew Haley <aph@cygnus.com>
1031 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1034 2000-06-29 Andrew Haley <aph@cygnus.com>
1036 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1037 bytes: remove the multiply by 8.
1039 2000-06-29 Philipp Thomas <pthomas@suse.de>
1041 * rtl.c : Revert NLS changes.
1042 * gcc.c : Fix bug in display_help introced by my last changes.
1044 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1046 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1047 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1049 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1051 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1053 2000-06-28 Philipp Thomas <pthomas@suse.de>
1055 * c-decl.c : Mark strings for translation.
1056 (parmlist_tags_warning): Use distinct messages instead
1057 of conditional expressions.
1058 * diagnostic.c (v_message_with_decl): Mark string for translation.
1059 * gcc.c: Mark messages for translation.
1060 (display_help): Combine messages into one string where necessary.
1061 * mips-tfile: Add intl.h. Mark messages for translation.
1062 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1063 messages for translation.
1064 * timevar.c: Mark messages for translation.
1065 * tlink.c: Likewise.
1066 * toplev.c: Likewise.
1068 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1070 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1072 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1073 use -isystem instead of -idirafter.
1074 * i386/i386-interix.h: Likewise.
1076 2000-06-28 Jason Merrill <jason@redhat.com>
1078 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1079 unless DWARF2_DEBUGGING_INFO is defined.
1080 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1082 2000-06-28 Richard Henderson <rth@cygnus.com>
1084 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1086 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1088 * cpplex.c (output_line_command): Output correct #line if a header
1089 is including itself and is not protected against multiple inclusion.
1091 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1093 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1094 ENFILE, close all cached file descriptors and try again.
1095 (_cpp_execute_include): Keep a count of the number of times
1096 each header is included.
1097 (close_cached_fd): New function.
1098 * cpphash.h (struct include_file): Rename before to
1099 include_count; all users updated. Make include_count and sysp
1101 * cppinit.c (cpp_finish): If -H, report headers that could use
1103 (report_missing_guard): New function.
1105 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1107 * i386.md (prologue_set_got): Set length_immediate field.
1108 (testqi_ccno_1): Add missing '@' character.
1110 2000-06-27 Jason Merrill <jason@redhat.com>
1112 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1115 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1117 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1118 unsigned macros available.
1120 2000-06-27 Richard Henderson <rth@cygnus.com>
1122 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1123 epilogue_deallocate_stack.
1125 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1126 completers for UNORDERED and ORDERED as well.
1127 * config/ia64/ia64.md (bunordered, bordered): New.
1128 (sunordered, sordered): New.
1130 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1132 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1133 * i386.c (ix86_attr_length_default): Kill.
1134 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1136 * i386-protos.h (ix86_attr_length_default): Kill
1137 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1139 * i386.md (attribute type): Add "test".
1140 (attribute length_prefix): Kill.
1141 (attribute length_opcode): Kill.
1142 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1143 prefix_rep, prefix_0f, modrm): New.
1144 (attribute length): Compute using the new attributes.
1145 (attribute pent_prefix): New.
1146 (attribute pent_pair): Compute using pent_prefix.
1147 (all insn patterns): Set mode,modrm and immediate_length attributes where
1149 (cmpsi patterns): Compute sizes propertly for test instruction.
1150 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1151 (movstricthi_xor, movstrictqi_xor): New patterns.
1152 (andsi/andhi): Use splitters to generate xor instructions.
1153 (xorqi_ext_1): New pattern.
1154 (movstricthi->movstricthi_xor peep2): New.
1156 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1158 * i386.md (addqi_low_1): Remove.
1160 2000-06-27 Philipp Thomas <pthomas@suse.de>
1162 * 1750a.h: Mark help strings for options/switches for translation.
1164 * alpha.h: Likewise.
1167 * riscix.h: Likewise.
1169 * clipper.h: Likewise.
1170 * convex.h: Likewise.
1171 * elxsi.h: Likewise.
1174 * h8300.h: Likewise.
1176 * cygwin.h: Likewise.
1178 * djgpp.h: Likewise.
1180 * osf1elf.h: Likewise.
1181 * osfrose.h: Likewise.
1183 * win32.h: Likewise.
1185 * paragon.h: Likewise.
1189 * mcore.h: Likewise.
1191 * mn10300.h: Likewise.
1192 * ns32k.h: Likewise.
1193 * pdp11.h: Likewise.
1196 * aix41.h: Likewise.
1197 * aix43.h: Likewise.
1199 * rs6000.h: Likewise.
1200 * sysv4.h: Likewise.
1201 * linux.h: Likewise.
1202 * linux64.h: Likewise.
1203 * sp64-elf.h: Likewise.
1204 * sparc.h: Likewise.
1205 * splet.h: Likewise.
1207 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1209 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1210 Properly document option and mark for translation.
1211 * sp86x-elf.h: Likewise.
1213 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1215 Add MMX and SSE registers to i386 machine description.
1216 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1217 ix86_local_alignment): Declare.
1219 * i386.h (TARGET_MMX, TARGET_SSE): New.
1220 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1221 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1222 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1223 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1224 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1225 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1226 (RETURN_IN_MEMORY): Handle MMX/SSE.
1227 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1228 also get stack space.
1229 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1230 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1231 (MMX_REGISTER_NAMES): New.
1232 (ALIGN_MODE_128): New macro.
1233 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1234 (DATA_ALIGNMENT): Likewise.
1235 (LOCAL_ALIGNMENT): Likewise.
1236 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1237 TARGET_MMX/TARGET_SSE.
1238 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1239 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1240 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1241 SSE/MMX regs and something else.
1242 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1243 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1244 3 if moving between MMX regs and something else.
1246 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1247 (regclass_map): Add MMX/SSE registers.
1248 (print_operand): Add code to print XMMWORD as appropriate.
1249 (ix86_split_movdi): Abort for MMX regs.
1250 (init_cumulative_args): Also allow SSE_REGS
1251 (function_arg_advance, function_arg): Likewise
1252 (print_reg): Support 'm'. Add case for TImode.
1253 (override_options): TARGET_SSE implies TARGET_MMX.
1254 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1257 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1259 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1261 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1262 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1264 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1266 * ssa.c (struct rename_set_data): Change the name of field
1267 'set_dest' to 'old_reg'. Add comments.
1268 (struct rename_context): Change the name of 'set_data' to
1269 'new_renames'. Add new field 'done_renames'.
1270 (create_delayed_rename): New function.
1271 (apply_delayed_renames): New function.
1272 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1273 SUBREGs and similar by emitting a move.
1274 (new_registers_for_updates): Delete, functionality moved to
1275 apply_delayed_renames.
1276 (rename_block): Handle moves emitted by rename_insn_1 by putting
1277 them into a SEQUENCE with the original insn. Add sanity checks
1279 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1280 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1282 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1283 Jason Merrill <jason@redhat.com>
1285 * dwarf2.h (enum dwarf_call_frame_info): Add
1286 DW_CFA_def_cfa_expression.
1287 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1288 dw_loc_descr_struct entry.
1289 (struct cfa_loc): New structure to track a CFA location.
1290 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1291 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1292 offset, plus handle DW_CFA_def_cfa_expression.
1293 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1295 (dwarf2out_def_cfa): Entry point maintained for compatability.
1296 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1297 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1298 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1299 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1301 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1302 sequences for the new DW_CFA_def_cfa_expression record.
1303 (dwarf2out_frame_debug): Use new variables/fields.A
1304 (output_cfi): Handle DW_CFA_def_cfa_expression.
1305 (output_cfa_loc): New function to generate a CFI record for
1306 DW_CFA_def_cfa_expression.
1307 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1308 a dw_loc_descr sequeunce.
1309 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1310 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1311 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1312 unwind info section.
1313 * frame.h (frame_state): Add base_offset and indirect fields.
1314 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1315 dw_loc_descr operation.
1316 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1317 (struct frame_state): Add base offset and indirect fields.
1318 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1320 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1322 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1323 Make warnings about implicit int be pedwarns in C99. Don't warn
1324 about duplicate type qualifiers in C99.
1325 (start_function): Make warning about implict int return type be a
1327 * c-lex.c (yylex): Don't warn about `long long' in C99.
1328 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1329 `return' with no value in function returning non-void.
1331 2000-06-26 Richard Henderson <rth@cygnus.com>
1333 * c-typeck.c (pedwarn_c99): New.
1334 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1335 * toplev.h: Prototype them.
1337 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1339 * c-typeck.c (digest_init): Return error_mark_node node when
1340 TREE_TYPE (init) == error_mark_node.
1342 2000-06-26 Philipp Thomas <pthomas@suse.de>
1344 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1345 test for msgfmt without path instead.
1346 * configure: Rebuilt.
1348 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1350 * gengenrtl.c (special_rtx): Fix typo in comment.
1352 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1354 * mklibgcc.in (LIB2FUNCS): Add missing space.
1356 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1358 * tree.h (enum tree_index): Add vector type nodes.
1359 Add accessor macros for them.
1360 (TYPE_REPRESENATION_TYPE): New macro.
1361 * tree.c (build_common_tree_nodes_2): Build these nodes.
1362 (finish_vector_type): New function.
1363 * c-common.c (type_for_mode): Handle vector modes.
1364 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1366 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1367 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1368 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1369 (gen_type_die): Likewise.
1370 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1371 (fundamental_type_code): Likewise.
1372 (type_is_fundamental): VECTOR_TYPEs aren't.
1373 (output_type): Handle VECTOR_TYPEs.
1375 2000-06-25 Kazu Hirata <kazu@hxi.com>
1377 * config/arm.c: Fix a comment typo.
1378 * config/arm.h: Likewise.
1380 2000-06-25 Philipp Thomas <pthomas@suse.de>
1382 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1384 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1385 * configure: Rebuilt.
1387 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1389 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1391 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1393 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1396 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1398 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1400 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1402 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1404 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1406 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1407 last_unconditional_cleanup.
1409 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1411 * tree.def (VECTOR_TYPE): New node type.
1412 * tree.h: Adjust some comments to reflect addition of vector types.
1413 (TYPE_VECTOR_SUBPARTS): New macro.
1414 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1415 * c-convert.c (convert): Likewise.
1416 * convert.c (convert_to_integer): Handle vector modes.
1417 (convert_to_vector): New function.
1418 * convert.h (convert_to_vector): Declare.
1419 * expr.c (convert_move): Handle vector modes.
1420 * expmed.c (extract_bit_field): Don't abort for vector modes.
1422 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1424 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1425 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1426 New functions, common code moved from function_{prologue,epilogue}
1427 and extended to support the -mtiny-stack option.
1428 (function_prologue, function_epilogue): Use them.
1429 Use lo8/hi8 consistently for asm output readability.
1430 (avr_hard_regno_mode_ok): New function.
1431 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1432 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1433 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1434 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1435 Write SPH before SPL.
1436 (*movqi): No need to disable interrupts for just one "out"
1437 in alternative 5. Change length attribute from 4 to 1.
1438 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1439 Write SPH before SPL.
1441 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1443 * rtl.texi (Vector Operations): New node.
1444 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1445 (Conversions): Add ss_truncate, us_truncate.
1446 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1447 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1448 US_TRUNCATE): New rtx codes.
1449 * machmode.def: Add vector modes.
1450 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1452 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1453 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1454 (VECTOR_MODE_P): New.
1456 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1458 * cpp.texi: Clarify #pragma GCC namespace.
1460 2000-06-24 Philipp Thomas <pthomas@suse.de>
1462 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1463 all catalogs specified in ALL_LINGUAS.
1464 * configure: Rebuilt.
1466 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1468 * config/sparc/sparc.md (reload_outdi+1): Handle
1469 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1470 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1472 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1474 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1475 struct vs. scalar-ness when -fno-strict-aliasing.
1477 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1479 * cpplib.c (struct pragma_entry): New structure.
1480 (pragma_dispatch): Pragma dispatcher.
1481 (top_pragmas, gcc_pragmas): New static variables.
1482 (do_pragma): Use pragma_dispatch.
1483 (do_pragma_gcc): New pragma handler.
1486 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1488 * calls.c (compute_argument_addresses): Force stack slots into
1490 * expr.c (emit_push_insn): Force pushes into alias set 0.
1492 2000-06-23 Richard Henderson <rth@cygnus.com>
1494 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1495 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1497 2000-06-22 Jason Merrill <jason@redhat.com>
1499 * toplev.c (compile_file): Always call timevar_print.
1500 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1502 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1504 * varasm.c (constant_descriptor): Make contents unsigned char.
1505 (mark_const_hash_entry): Adjust.
1506 (const_hash): Just hash the code of unknown nodes.
1507 (compare_constant_1): Adjust for unsigned char.
1508 Use language specific expander on unknown nodes.
1509 (record_constant_1): Likewise.
1511 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1513 * cppfiles.c (cpp_make_system_header): New function.
1514 * cpplib.h: Prototype it.
1515 * cpplib.c (do_line, do_pragma_system_header): Use it.
1516 * fix-header.c (read_scan_file): Use it.
1518 * fix-header.c (check_macro_names): Cast second arg of
1519 cpp_defined to const unsigned char *.
1520 (read_scan_file): Make getchar_call const unsigned char.
1522 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1524 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1525 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1526 (destroy_include_file_node): New.
1527 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1528 Create a splay tree, not a hash table.
1529 (open_include_file): Look up the path in the include table,
1530 do the multiple include optimization here, etc.
1531 (cpp_included): Walk the path.
1532 (find_include_file): Just walk the path calling
1533 open_include_file, or call it directly for an absolute path.
1534 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1536 (read_include_file): Update for new scheme. Don't close the
1537 file unless reading fails.
1538 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1540 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1541 (struct include_file): New.
1542 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1544 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1547 * cppinit.c: Include splay-tree.h.
1548 (cpp_reader_init, cpp_cleanup): Update.
1550 * cpplib.h (struct cpp_buffer): Change ihash field to
1551 'struct include_file *inc'. Remove system_header_p.
1552 (struct cpp_reader): Change all_include_files to a
1553 struct splay_tree_s *.
1555 * cpplex.c: Update all references to cpp_buffer->ihash and/or
1556 cpp_buffer->system_header_p.
1557 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
1559 * Makefile.in (SPLAY_TREE_H): New macro.
1560 (cppfiles.o, cppinit.o): Update dependencies.
1562 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
1564 * invoke.texi (g++): "g++" is not a script anymore.
1566 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1568 * function.c (round_down): Delete obsolete prototype.
1570 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
1572 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
1574 * configure.in: Use 'test a = b' not 'test a == b'.
1577 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
1579 * Makefile.in: Remove all references to HOST_INTLLIBS.
1581 * cpplex.c (parse_name): Don't warn about $ in identifiers if
1584 2000-06-20 Philipp Thomas <pthomas@suse.de>
1586 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
1589 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1591 * Take REG_INC notes into account.
1593 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
1595 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
1596 (primary: IDENTIFIER): Just call build_external_ref.
1597 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1599 * c-lex.c (lastiddecl): Remove.
1600 (yylex): Replace all instances of lastiddecl with local
1603 * c-typeck.c (build_external_ref): New function. Treat decls
1604 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
1605 Look up the decl from the id here. Call lookup_objc_ivar.
1606 * c-lang.c (lookup_objc_ivar): Stub.
1607 * objc/objc-act.c (lookup_objc_ivar): New function.
1609 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
1610 * c-lex.h: Don't declare lastiddecl.
1612 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
1614 * c-common.h (IF_COND): Added documentation.
1615 (THEN_CLAUSE): Likewise.
1616 (ELSE_CLAUSE): Likewise.
1617 (WHILE_COND): Likewise.
1618 (WHILE_BODY): Likewise.
1619 (DO_COND): Likewise.
1620 (DO_BODY): Likewise.
1621 (RETURN_EXPR): Likewise.
1622 (EXPR_STMT_EXPR): Likewise.
1623 (FOR_INIT_STMT): Likewise.
1624 (FOR_COND): Likewise.
1625 (FOR_EXPR): Likewise.
1626 (FOR_BODY): Likewise.
1627 (SWITCH_COND): Likewise.
1628 (SWITCH_BODY): Likewise.
1629 (CASE_LOW): Likewise.
1630 (CASE_HIGH): Likewise.
1631 (GOTO_DESTINATION): Likewise.
1632 (COMPOUND_BODY): Likewise.
1633 (ASM_CV_QUAL): Likewise.
1634 (ASM_STRING): Likewise.
1635 (ASM_OUTPUTS): Likewise.
1636 (ASM_INPUTS): Likewise.
1637 (ASM_CLOBBERS): Likewise.
1638 (DECL_STMT_DECL): Likewise.
1639 (STMT_EXPR_STMT): Likewise.
1640 (LABEL_STMT_LABEL): Likewise.
1642 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
1643 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
1644 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
1645 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1647 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1649 * configure.in (--enable-checking): Update --help doc to reflect
1650 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
1652 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1654 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
1656 * function.c (put_var_into_stack): Don't reference DECL_ fields
1657 if input is a SAVE_EXPR.
1658 Use set_mem_attributes in COMPLEX case.
1660 2000-06-18 Richard Henderson <rth@cygnus.com>
1662 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
1663 (ia64_file_start): Declare.
1664 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
1665 (GR_REGNO_P): Likewise.
1666 * config/ia64/ia64.c: Many prototypes.
1667 (ia64_reg_numbers): Constify.
1668 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
1669 (ia64_section_threshold): Make unsigned.
1670 (ia64_print_operand): Constify.
1671 (fix_range): Constify.
1672 (ia64_init_builtins): Don't compare signed vs unsigned.
1673 (ia64_expand_builtin): Likewise.
1675 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
1676 (CONSTRAINT_OK_FOR_Q): New.
1677 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
1678 (movsf_internal, movdf_internal): Likewise.
1679 (cmovdi_internal): Rewrite so that constraints and predicates match;
1681 (cmovsi_internal): Likewise.
1683 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
1684 (ASM_FILE_START): New.
1685 * config/ia64/ia64.c (ia64_file_start): New.
1686 (rtx_needs_barrier): Handle pred.rel.mutex.
1687 (emit_predicate_relation_info): New.
1688 * config/ia64/ia64.md (pred_rel_mutex): New.
1689 * config/ia64/linux.h (ASM_SPEC): Define.
1690 * config/ia64/sysv4.h (ASM_FILE_START): Define.
1692 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
1693 filtering global register variables.
1695 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1697 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
1699 2000-06-17 Michael Meissner <meissner@redhat.com>
1701 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
1702 not present and there is a field after a '-'.
1704 2000-06-17 Bruce Korb <bkorb@gnu.org>
1706 * fixinc/check.tpl: finish the implementation of multiple tests
1708 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
1709 (io_quotes_def): add a second test
1710 (various): reorder `files' so that "limits.h" is never first
1711 * fixinc/tests/base/*: update the testing output
1713 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1715 * gcc.texi: Remove reference to stupid.c.
1717 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
1719 * c-common.c (c_tree_code_type): New array.
1720 (c_tree_code_length): Likewise.
1721 (c_tree_code_name): Likewise.
1722 (add_c_tree_codes): New function.
1724 * c-common.h (add_c_tree_codes): Declare.
1725 (enum c_tree_code): New enum.
1727 * c-lex.c (init_parse): Added call to add_c_tree_codes.
1729 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1731 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
1732 select pattern to also match macro defs with only one argument.
1734 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
1736 * i386.md: Create new [right,left] rotate and right shift
1737 patterns to optimize shift by 1 bit for certain ia32 processors.
1738 Update patterns which perform left shifts to optimize shift by
1739 1 bit for certain ia32 processors.
1740 * i386.c (const_int_1_operand): New predicate.
1741 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
1742 * i386-protos.h (const_int_1_operand): Prototype.
1744 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1746 * mips.c (machine_dependent_reorg): Fix braces for nested if.
1748 2000-06-14 Geoff Keating <geoffk@cygnus.com>
1750 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
1753 2000-06-14 Richard Henderson <rth@cygnus.com>
1755 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
1757 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
1760 * print-rtl.c (print_rtx): Emit space before mem alias set.
1762 2000-06-14 David Edelsohn <edelsohn@gnu.org>
1764 * rs6000.c (expand_block_move): Fix typo in earlier change.
1765 (print_operand): Remove unused variables neg and op.
1766 (toc_hash_mark_entry): Fix prototype.
1768 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
1770 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
1771 (THEN_CLAUSE): Likewise.
1772 (ELSE_CLAUSE): Likewise.
1773 (WHILE_COND): Likewise.
1774 (WHILE_BODY): Likewise.
1775 (DO_COND): Likewise.
1776 (DO_BODY): Likewise.
1777 (RETURN_EXPR): Likewise.
1778 (EXPR_STMT_EXPR): Likewise.
1779 (FOR_INIT_STMT): Likewise.
1780 (FOR_COND): Likewise.
1781 (FOR_EXPR): Likewise.
1782 (FOR_BODY): Likewise.
1783 (SWITCH_COND): Likewise.
1784 (SWITCH_BODY): Likewise.
1785 (CASE_LOW): Likewise.
1786 (CASE_HIGH): Likewise.
1787 (GOTO_DESTINATION): Likewise.
1788 (COMPOUND_BODY): Likewise.
1789 (ASM_CV_QUAL): Likewise.
1790 (ASM_STRING): Likewise.
1791 (ASM_OUTPUTS): Likewise.
1792 (ASM_INPUTS): Likewise.
1793 (ASM_CLOBBERS): Likewise.
1794 (DECL_STMT_DECL): Likewise.
1795 (STMT_EXPR_STMT): Likewise.
1796 (LABEL_STMT_LABEL): Likewise.
1797 (SCOPE_BEGIN_P): Likewise.
1798 (SCOPE_END_P): Likewise.
1799 (SCOPE_STMT_BLOCK): Likewise.
1800 (SCOPE_NULLIFIED_P): Likewise.
1801 (SCOPE_NO_CLEANUPS_P): Likewise.
1802 (SCOPE_PARTIAL_P): Likewise.
1803 (ASM_VOLATILE_P): Likewise.
1804 (STMT_LINENO): Likewise.
1805 (STMT_LINENO_FOR_FN_P): Likewise.
1807 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
1808 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
1809 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
1810 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
1811 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1813 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
1815 2000-06-14 David O'Brien <obrien@FreeBSD.org>
1817 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
1818 writable in parts of the GCC code.
1820 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
1821 specification match cast.
1823 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
1825 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
1826 * configure, config.in: Rebuilt.
1827 * sys-protos.h: Similarly.
1829 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
1831 * ifcvt.c (EDGE_COMPLEX): Move definition ...
1832 * basic-block.h (EDGE_COMPLEX): ... here.
1834 * loop.c (check_dbra_loop): Specify the register when
1835 generating REG_NONNEG notes and don't generate duplicates.
1837 2000-06-13 Jakub Jelinek <jakub@redhat.com>
1839 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
1840 (struct tree_type, struct tree_decl): Add user_align member.
1841 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
1842 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
1843 and DECL_USER_ALIGN 0, cap alignment to this value.
1844 (place_field): Likewise.
1845 (finalize_type_size): Set TYPE_USER_ALIGN.
1846 (layout_type): Likewise.
1847 (initialize_sizetypes): Likewise.
1848 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
1849 DECL_USER_ALIGN to 1.
1850 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
1851 (xfer_tag): Set TYPE_USER_ALIGN.
1852 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1853 (finish_enum): Likewise.
1854 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
1855 (expand_anon_union_decl): Likewise.
1856 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1857 (build_index_type): Set TYPE_USER_ALIGN.
1858 (build_range_type): Likewise.
1859 (build_common_tree_nodes_2): Likewise.
1860 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
1862 2000-06-13 Andreas Jaeger <aj@suse.de>
1864 * configure.in: Use --enable-checking=misc,tree,gc by default if
1865 no --enable-checking option is given and for
1866 --enable-checking=yes.
1867 * configure: Rebuilt.
1869 2000-06-13 Richard Henderson <rth@cygnus.com>
1871 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
1872 (__throw): Don't pass the address of a label.
1874 * config/ia64/ia64.c (ia64_compute_frame_size): Use
1875 current_function_is_leaf.
1876 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
1877 instead of reg_names[RETURN_ADDRESS_REGNUM].
1878 (ia64_init_machine_status): Reset return_address_pointer_rtx.
1879 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
1880 from RETURN_ADDRESS_REGNUM. Update all uses.
1881 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
1882 zero instead of null on failure.
1883 (ELIMINABLE_REGS): Add ra->b0 elimination.
1884 (CAN_ELIMINATE): Update accordingly.
1885 (INITIAL_ELIMINATION_OFFSET): Likewise.
1886 (REGISTER_NAMES): Use an illegal assembler name for
1887 RETURN_ADDRESS_POINTER_REGNUM.
1889 2000-06-13 Richard Henderson <rth@cygnus.com>
1891 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
1892 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
1893 (REG_CLASS_NAMES): Likewise.
1894 (REG_CLASS_CONTENTS): Likewise.
1895 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
1896 (HARD_REGNO_MODE_OK): Remove references to them.
1897 (REGNO_REG_CLASS): Likewise.
1898 (REG_CLASS_FROM_LETTER): Likewise.
1899 (CLASS_MAX_NREGS): Likewise.
1900 (REGISTER_MOVE_COST): Likewise.
1901 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
1902 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
1903 (movqi_internal): Special case moves from zero.
1904 (movhi_internal, movsi_internal): Likewise.
1905 (movdi_internal): Likewise. Fill out "f" constraints.
1906 (movsf_internal): Fill out "r" constraints.
1907 (movdf_internal): Likewise.
1909 2000-06-13 Richard Henderson <rth@cygnus.com>
1911 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
1912 alive before reload.
1914 * haifa-sched.c (struct deps): Add in_post_call_group_p.
1915 (add_dependence): Handle notes between SCHED_GROUP_P insns.
1916 (remove_dependence): Always define.
1917 (set_sched_group_p): New.
1918 (sched_analyze_2): Use it.
1919 (sched_analyze_insn): Don't special-case naked uses. Look for
1920 and extend in_post_call_group_p.
1921 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
1922 (init_deps): Clear in_post_call_group_p.
1924 2000-06-13 Richard Henderson <rth@cygnus.com>
1926 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
1927 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
1928 and hard-coded tests.
1929 (simplify_set): Likewise.
1930 (gen_lowpart_for_combine): Likewise.
1931 * emit-rtl.c (gen_lowpart_common): Likewise.
1932 * global.c (find_reg): Likewise.
1933 * local-alloc.c (find_free_reg): Likewise.
1934 * recog.c (register_operand): Likewise.
1935 * regclass.c (init_reg_sets_1): Likewise.
1936 (record_operand_costs, regclass): Likewise.
1937 * reload.c (push_reload): Likewise.
1938 * reload1.c (choose_reload_regs): Likewise.
1939 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
1940 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
1941 Update all references.
1942 * regs.h (struct reg_info_def): Likewise.
1943 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
1944 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
1945 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
1947 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
1948 (CLASS_CANNOT_CHANGE_MODE_P): New.
1949 * config/mips/mips.h: Likewise.
1950 * config/pa/pa32-regs.h: Likewise.
1951 * config/pa/pa64-regs.h: Likewise.
1952 * config/rs6000/rs6000.h: Likewise.
1953 * config/sh/sh.h: Likewise.
1954 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
1955 (CLASS_CANNOT_CHANGE_MODE_P): New.
1956 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
1957 * config/d30v/d30v.h: Likewise.
1959 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1961 * configure.in: Add AC_TYPE_GETGROUPS test.
1962 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
1963 * configure: Rebuilt.
1964 * config.in: Rebuilt.
1966 2000-06-13 Richard Henderson <rth@cygnus.com>
1968 * explow.c (set_mem_attributes): Do nothing for NULL type.
1970 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
1972 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
1975 2000-06-13 James E. Wilson <wilson@cygnus.com>
1977 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
1979 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
1981 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
1983 2000-06-13 Philipp Thomas <pthomas@suse.de>
1985 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
1986 * configure: Rebuilt.
1988 2000-06-07 David O'Brien <obrien@FreeBSD.org>
1990 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
1991 We now default to ELF for the i386, and a.out is the special case.
1992 * configure: Rebuilt.
1994 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
1996 * final.c (final_scan_insn): Delete notes between cc0 setter and
1997 user when restarting from setter.
1999 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2001 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2002 cast to squelch signed/unsigned warnings.
2004 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2006 * cpplib.c (handle_directive): Print non-NUL-terminated string
2009 2000-06-12 Michael Meissner <meissner@redhat.com>
2011 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2012 path if the machine needs extra support to do conditional
2015 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2017 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2018 to print the alias set.
2019 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2021 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2023 * config/float-vax.h: Add GFLOAT defines.
2025 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2027 * configure.in: Update tm dependencies for MPE.
2028 * configure: Rebuilt.
2030 2000-06-12 H.J. Lu <hjl@gnu.org>
2032 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2034 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2036 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2037 (CPP_SPEC): Change mthreads to pthread.
2038 (LIB_SPEC): Likewise.
2039 (STARTFILE_SPEC): Likewise.
2040 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2041 (CPP_SPEC): Change mthreads to pthread.
2042 (LIB_SPEC): Likewise.
2043 (STARTFILE_SPEC): Likewise.
2044 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2045 * rs6000.c (reg_or_arith_cint_operand): New.
2046 (num_insns_constant_wide): Decorate unsigned constant.
2047 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2048 * rs6000.md (addsi3): Use new predicate.
2049 (subsi3, adddi3, subdi3): Likewise.
2051 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2053 * c-common.c (lang_get_alias_set): Fix typo.
2055 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2057 * flow.c (mark_used_regs): Revert last change.
2058 (life_analysis): Remove PROP_AUTOINC if running after reload.
2059 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2061 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2063 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2066 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2068 * bb-reorder.c (build_scope_forest): Initialize variable
2071 * calls.c (expand_call): Likewise for variables
2072 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2074 * i386.c (function_arg_advance, function_arg): Cast to avoid
2075 signed/unsigned warnings.
2077 * i386.h (MEMORY_MOVE_COST): Likewise.
2079 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2080 `else_start' and `else_end'.
2082 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2084 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2086 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2088 * Makefile.in (libintl.a): Depend on intl.all.
2090 2000-06-09 H.J. Lu (hjl@gnu.org)
2092 * Makefile.in (c-parse.o): Also depend on output.h.
2094 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2096 * mcore-protos.h: discards const warning removal.
2097 * mcore.c: discards const warning removal.
2099 2000-06-09 Kazu Hirata <kazu@hxi.com>
2101 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2102 the beginning of the file.
2104 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2106 * real.h: Add prototype for ldexp.
2108 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2110 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2111 it ggc_alloc, drop second argument, never clear returned memory.
2112 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2113 (ggc_alloc_cleared): New.
2114 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2115 ggc_alloc_obj. Remove ggc_alloc macro.
2116 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2118 * rtl.c (rtvec_alloc): Clear the vector always.
2119 (rtx_alloc): Clear the first word always. Remove dirty
2120 obstack tricks (this routine is no longer a bottleneck).
2121 * tree.c (make_node): Clear the new node always.
2122 (make_tree_vec): Likewise.
2123 (tree_cons): Clear the common structure always.
2124 (build1): Likewise; also, clear TREE_COMPLEXITY.
2125 * gengenrtl.c: Use puts wherever possible. Remove extra
2127 (gendef): Clear the first word of an RTX in the generator
2128 function, irrespective of ggc_p. Initialize '0' slots to
2130 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2131 thin wrapper macro around obstack_alloc.
2133 * stmt.c (expand_fixup): Use ggc_alloc.
2134 * c-typeck.c (add_pending_init): Use ggc_alloc.
2135 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2136 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2137 const0_rtx when it is created.
2138 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2139 we are not in a function.
2141 * tree.c (tree_class_check_failed): Make second arg an int.
2142 * tree.h: Update prototype.
2144 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2146 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2147 of an error_mark_node.
2149 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2151 * config/avr/avr.c (asm_output_section_name): bugfix.
2153 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2155 * timevar.def: Add TV_EXPAND.
2156 * timevar.c (timevar_print): Update timing information.
2157 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2159 * stmt.c (expand_return): Check for error_mark_node.
2161 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2163 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2165 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2166 variable against filename expansion when it contains "char *".
2168 * system.h (SSIZE_MAX): Delete backup definition.
2170 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2171 instead of SSIZE_MAX.
2173 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2175 * configure.in: Check whether gas supports -relax.
2176 * configure, config.in: Rebuilt.
2177 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2178 (EXTRA_SPECS): Add asm_relax.
2179 (ASM_SPEC): Add %(asm_relax).
2180 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2181 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2182 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2183 (ASM_SPEC): Add %(asm_relax).
2184 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2185 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2186 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2187 instead of mov, so that gas can further optimize it.
2189 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2191 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2193 (value_format, case dw_val_class_const): Use sdata format.
2194 (output_die): Call output_sleb128.
2196 2000-06-08 James E. Wilson <wilson@cygnus.com>
2198 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2199 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2200 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2201 (output_die, case dw_val_class_unsigned_const): Correct call to
2202 ASM_OUTPUT_DWARF_DATA8.
2203 (output_die, case dw_val_class_long_long): Use
2204 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2205 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2208 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2209 (output_function_prologue): Fix mispelling.
2210 (output_function_prologue, output_function_epilogue): Reorder to
2211 match ia64.c definition order.
2212 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2213 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2214 Use r3 instead of r2 for large stack restores.
2215 (ia64_output_end_prologue): New function.
2216 (process_set): Emit ".restore sp" for epilogue stack restores.
2217 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2219 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2221 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2224 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2226 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2228 2000-06-08 Denis Perchine <dyp@perchine.com>
2230 * frame.c (start_fde_sort): Don't malloc (0).
2232 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2234 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2236 * print-tree.c (print_node): The transparent_union_flag means
2237 different things for unions and arrays. Do not inspect it
2238 with TYPE_TRANSPARENT_UNION.
2240 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2242 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2245 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2247 * config/avr/avr.c (asm_output_section_name): output section
2249 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2251 2000-06-06 James E. Wilson <wilson@cygnus.com>
2253 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2254 fields into header field.
2255 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2256 macros to access length, flags, and version info from header field.
2257 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2258 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2259 (__do_global_ctors_aux): Fix caller.
2260 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2261 prologue_flag to header. Pass to read_P_record.
2262 (read_P_record): New argument header. Implement P4 format.
2263 Multiply P7_T_SIZE by 16.
2264 (execute_one_ia64_descriptor): New static local region_header. Pass to
2265 get_unwind_record. Copy r to region_header if r is a header record.
2266 (print_all_records): Likewise.
2267 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2268 (__get_personality, __get_except_table): Likewise.
2269 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2271 2000-06-06 Philipp Thomas <pthomas@suse.de>
2273 * configure.in (AC_C_INLINE): Added.
2274 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2275 * configure: Regenerate.
2277 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2279 * c-common.h (c_language_kind): New type.
2280 (c_language): New variab.e
2281 * c-common.c (lang_get_alias_set): Don't put structures in
2282 non-zero alias sets in C++.
2283 * c-decl.c (c_language): Define it.
2284 * c-lex.c (doing_objc_thang): Remove.
2285 * c-tree.h (doing_objc_thang): Make it a macro.
2286 * objc/objc-act.c (lang_decode_option): Set c_language, not
2289 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2291 * diagnostic.c (output_maximum_width): Remove.
2292 (doing_line_wrapping): Tweak.
2293 (diagnostic_buffer): New object.
2294 (global_output_buffer): New object.
2295 (output_destroy_prefix): New function.
2296 (default_initialize_buffer): Likewise.
2297 (reshape_diagnostic_buffer): Likewise.
2298 (initialize_diagnostics): Likewise.
2299 (output_clear): Tweak.
2300 (line_wrapper_printf): Adjust call to init_output_buffer.
2301 (vline_wrapper_message_with_location): Likewise. Use
2302 output_destroy_prefix.
2303 (v_message_with_decl): Likewise.
2305 * diagnostic.h (struct output_buffer): Constify prefix.
2306 (init_output_buffer, output_get_prefix): Constify.
2307 (diagnostic_message_length_per_line): Likewise.
2308 (reshape_diagnostic_buffer): Declare.
2309 (default_initialize_buffer): Declare.
2310 (initialize_diagnostics): Declare.
2311 (diagnostic_buffer): Declare new obbject.
2313 * toplev.c: #include diagnostic.h
2314 (display_help): Document diagnostic formatting options.
2315 (decode_f_option): Handle diagnostic formatting options.
2316 (main): Setup initialization for diagnostic messages outputter.
2318 * toplev.h (set_message_length): Remove.
2320 * Makefile.in (toplev.o): Depends upon diagnostic.h
2322 * invoke.texi : Document diagnostics formatting options.
2324 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2326 * configure.in (Make the links): Typo fix : the file that must be
2327 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2328 * configure: File rebuilt.
2330 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2332 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2333 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2335 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2336 emergency eh_context buffer, if malloc fails.
2337 (__eh_free): Moved from cp/exception.cc. Release to emergency
2338 eh_context buffer, if appropriate.
2340 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2342 * expr.c (store_expr): Fix typo.
2344 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2346 * m68k.c (legitimize_pic_address): Move prototype ...
2348 * m68k-protos.h (legitimize_pic_address): ... here.
2350 * m68k.md (legitimize_pic_address): Delete prototypes.
2351 (untyped_call): Invoke GEN_CALL(), not gen_call().
2353 * nextstep.c: Include system.h and toplev.h.
2354 (get_directive_line): Don't prototype.
2355 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2357 * nextstep.h (handle_pragma): Prototype.
2358 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2359 objc_section_init ...
2360 (EXTRA_SECTION_FUNCTIONS): ... here.
2362 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2364 * sdbout.c (struct sdb_file): NAME now const.
2365 (sdbout_init): input_file_name now const.
2366 (sdbout_start_new_source_file): FILENAME now const.
2367 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2369 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2371 * c-typeck.c (build_conditional_expr): Handle complex data types.
2373 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2375 * explow.c (maybe_set_unchanging): New function, broken out from...
2376 (set_mem_attributes): Here.
2377 * expr.h: Declare it.
2378 * stmt.c (expand_decl): Call it.
2380 2000-06-05 Richard Henderson <rth@cygnus.com>
2382 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2383 while looking for a register to inherit from.
2385 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2387 * Makefile.in (libgcc.ready): Lose.
2388 (libgcc.mk): Just use mv, not move-if-change.
2389 (LIBGCC_DEPS): New macro.
2391 (stmp-multilib): Likewise.
2392 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2393 it rather than the directories themselves.
2394 (LIB2ADD): Depend on the list file rather than 'force'.
2396 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2397 cv-qualified versions of types.
2399 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2401 * config/sparc/sparc.c (short_branch): Correct error in range
2404 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2406 * fixinc/inclhack.def: New include hacks for ultrix.
2407 * (nested_ultrix): Replaced by ultrix_nested_svc.
2408 * (ultrix_atof_param): test_text string added.
2409 * (ultrix_ifdef): Modified select string.
2411 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2413 * objc/objc-act.c (generate_method_descriptors): Register
2414 objc_method_prototype_template as a GC root.
2415 (comp_method_with_proto): Register function_type as a GC root.
2416 (comp_proto_with_proto): Replace function_type1 and
2417 function_type2 with a two-element array; register it as a GC root.
2419 (generate_protocols, build_protocol_initializer,
2420 generate_protocol_list, build_category_initializer,
2421 build_shared_structure_initializer): Do not cache cast_type
2424 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2426 * function.c (assign_parms): Add missing argument to set_mem_attributes
2429 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2431 * tree.h (VOID_TYPE_P): New macro.
2432 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2433 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2434 (get_parm_info): Likewise.
2435 (store_parm_decls): Likewise.
2436 (combine_parm_decls): Likewise.
2437 (finish_function): Likewise.
2438 * c-typeck.c (build_function_call): Likewise.
2439 (build_binary_op): Likewise.
2440 (build_conditional_expr): Likewise.
2441 (internal_build_compound_expr): Likewise.
2442 (convert_for_assignment): Likewise.
2443 * stmt.c (expend_expr_stmt): Likewise.
2444 (warn_if_unused_value): Likewise.
2445 (expand_return): Likewise.
2446 * c-parse.in (primary): Likewise.
2447 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2448 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2450 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2452 * alias.c (get_alias_set): If compnent is addressable, use alias
2454 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2455 (grokdeclarator): Likewise.
2456 * c-typeck.c (common_type): Likewise.
2458 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2460 * Makefile.in (OBJS): Remove dyn_string.o
2461 (dyn-string.o): Delete rule.
2462 * dyn-string.c: Delete file
2463 * dyn-string.h: Likewise.
2465 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2467 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2470 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2472 * alias.c (record_component_aliases): Don't inspect
2473 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2475 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2477 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2478 it with the pattern to do machine dependent work.
2479 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2480 use it to modify the true/false tests used in conditional
2481 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2482 defined, invoke them if the conversion to conditional execution
2483 was successful or not.
2485 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2486 (IFCVT_MODIFY_INSN): Ditto.
2487 (IFCVT_MODIFY_FINAL): Ditto.
2488 (IFCVT_MODIFY_CANCEL): Ditto.
2490 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2492 * toplev.c (main): Fix misspellings of possibility and language.
2494 2000-06-03 Richard Henderson <rth@cygnus.com>
2496 * alias.c (record_alias_subset): Initialize has_zero_child in the
2499 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2501 * arm.md (untyped_call): Use GEN_CALL macro.
2503 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2505 * Makefile.in: Use $(MAKE) not "make"
2507 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2509 * alias.c (struct alias_set_entry): New field has_zero_child.
2510 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2511 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2513 Call record_component_aliases for aggregate types.
2514 (record_alias_subset): Set has_zero_child.
2515 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2516 TYPE_NONALIASES_COMPONENT.
2517 (record_component_aliases, case RECORD_TYPE): Test
2518 DECL_NONADDRESSABLE_P.
2519 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2520 of TREE_ADDRESSABLE.
2521 * calls.c (initialize_argument_information): Only test
2522 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2523 * function.c (assign_parms): Likewise.
2524 * integrate.c (function_cannot_inline_p): Likewise.
2525 * stor-layout.c (finish_record_layout): Don't call
2526 record_component_aliases.
2527 * tree.h (struct tree_int_cst): Use struct tree_common.
2528 (struct tree_real_cst, struct tree_string): Likewise.
2529 (struct tree_complex, struct tree_identifier): Likewise.
2530 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2531 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2532 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2533 (TYPE_NONALIASES_COMPONENT): New macro.
2534 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2535 (DECL_NONADDRESSABLE_P): New macro.
2536 (struct tree_decl): Reorder bits for clarity of how many left;
2539 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2541 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2542 * mklibgcc.in (force): New target.
2543 Make LIB2ADD stuff depend on it.
2545 2000-06-02 Richard Henderson <rth@cygnus.com>
2547 * alias.c (lang_get_alias_set): Remove.
2548 (get_alias_set): Call it directly, not indirectly.
2549 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2550 * c-common.h (c_get_alias_set): Don't declare.
2551 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
2552 * expr.h (lang_get_alias_set): Declare as function, not pointer.
2554 2000-06-02 Bruce Korb <bkorb@gnu.org>
2556 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
2557 (server_setup): define the server's master pid
2558 (close_server): actually do the deed IFF we are the server's master
2560 2000-06-02 Jakub Jelinek <jakub@redhat.com>
2562 * c-common.c (c_get_alias_set): Check whether signed_type did not
2563 return its argument before calling get_alias_set on the result.
2565 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
2567 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2569 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2571 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
2572 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
2573 for TARGET_NOMACSAVE.
2574 (NOMACSAVE_BIT): Define.
2575 (TARGET_NOMACSAVE): Define.
2576 (TARGET_SWITCHES): Add "nomacsave".
2578 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
2580 * sh.md (untyped_call): Remove excess parameters
2582 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
2584 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
2585 match that used before the conversion to c_fix style.
2586 * fixinc/fixincl.x: regenerate
2588 2000-06-01 Stan Cox <scox@cygnus.com>
2590 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
2591 macro argument typo.
2593 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
2595 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
2597 * cpplib.c (parse_include): Remove support for VAX-C
2598 "#include starlet" misfeature.
2600 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
2602 * cppfiles.c: conditionally define O_BINARY.
2603 (open_include_file): pass O_BINARY to open().
2605 2000-06-01 Richard Henderson <rth@cygnus.com>
2607 * i960.c (i960_br_predict_opcode): Remove.
2608 (i960_print_operand) [+]: Emit branch prediction hints.
2609 (i960_function_arg): Return early for VOIDmode.
2610 (i960_round_align): Return early for incomplete types.
2611 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2612 * i960.md (all conditional branches): Add "%+".
2614 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2616 * alias.c (get_alias_set): Don't call language-specific routine more
2617 than is needed and clean up code a bit.
2618 * c-common.c (c_get_alias_set): All references whose type
2619 is char get alias set 0, but character types need not.
2620 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
2621 (make_decl_rtl): Don't call it for FUNCTION_DECL.
2623 2000-06-01 Bruce Korb <bkorb@gnu.org>
2625 * fixinc/tests/base/...: new base result files
2627 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2629 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
2630 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
2631 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
2634 2000-06-01 Richard Henderson <rth@cygnus.com>
2636 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
2638 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
2640 2000-05-31 Richard Henderson <rth@cygnus.com>
2642 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
2643 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
2644 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
2646 2000-05-31 Richard Henderson <rth@cygnus.com>
2648 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
2649 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
2650 (ia64_print_operand) [+]: ... here. Use current_output_insn.
2651 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2652 * config/ia64/ia64.md (all branch/call patterns): Use %+.
2654 2000-05-31 Richard Henderson <rth@cygnus.com>
2656 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
2658 2000-05-31 Richard Henderson <rth@cygnus.com>
2660 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
2662 (find_if_block): Allow THEN with no outgoing edges.
2663 * flow.c (merge_blocks_nomove): Remove a barrier not following
2666 2000-05-31 Richard Henderson <rth@cygnus.com>
2668 * flow.c (propagate_block): Move initialization of mem_set_list ...
2669 (init_propagate_block_info): ... here. Also track blocks with
2670 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
2672 2000-05-31 Richard Henderson <rth@cygnus.com>
2674 * jump.c (jump_optimize_1): Revert 05-18 change.
2676 2000-05-31 Mark Mitchell <mark@codesourcery.com>
2678 * invoke.texi: Remove documentation for -fguiding-decls.
2680 2000-05-31 Richard Henderson <rth@cygnus.com>
2682 * configure.in: Fix typo last change.
2684 2000-05-31 Philipp Thomas <pthomas@suse.de>
2686 * configure.in (enable-nls): Enable if build == host, i.e. when
2687 not building a canadian cross compiler.
2688 (enable-maintainer-mode): Added for use with i18n.
2689 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
2690 cross section of ALL_LINGUAS and LINGUAS.
2691 * configure: Rebuild.
2693 2000-05-31 Bruce Korb <bkorb@gnu.org>
2695 * fixinc/check.tpl: rework to use test result tree
2696 * fixinc/Makefile.in: change invocation of check script
2697 * fixinc/check.diff: No longer needed
2698 * fixinc/fixincl.x: regenerate
2699 * fixinc/inclhack.def: add new tests
2700 * fixinc/tests/base/arch/i960/archI960.h: New test result
2701 * fixinc/tests/base/curses.h: modified test result
2702 * fixinc/tests/base/stdio.h: ditto
2703 * fixinc/tests/base/time.h: ditto
2704 * fixinc/tests/base/sys/asm.h: ditto
2705 * fixinc/tests/base/sys/stat.h: ditto
2706 * fixinc/tests/base/sys/wait.h: ditto
2708 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
2710 * except.c (clear_function_eh_region): Do not free NULL.
2712 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2714 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
2715 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
2716 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
2717 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
2718 (find_base_decl): New function, from c_find_base_decl in c-common.c.
2719 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
2720 (get_alias_set): Likewise.
2721 Major rework to do more things and allow language-specific code
2722 to just handle special-cases.
2723 (record_alias_subset): Args are HOST_WIDE_INT.
2724 (record_component_alias): Local vars are HOST_WIDE_INT.
2725 Don't handle COMPLEX_EXPR.
2726 (get_varargs_alias_set): Moved from builtins.c.
2727 (get_frame_alias_set): New function.
2728 * builtins.c (expand_builtin_return_address): Use frame alias set.
2729 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
2731 (get_memory_rtx): Rework to use set_mem_attributes.
2732 (get_varargs_alias_set): Deleted from here.
2733 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
2734 (c_find_base_decl): Deleted from here.
2735 (c_get_alias_set): Remove many cases and rework to just handle
2737 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
2738 * c-decl.c (rtl.h, expr.h): Now included.
2739 (init_decl_processing): Call record_component_aliases on array types.
2740 (grokdeclarator): Likewise.
2741 Set TREE_ADDRESSABLE for all fields that are not bitfields.
2742 * c-typeck.c (common_type): Call record_component_aliases for array.
2743 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
2744 Set all save areas to the frame alias set.
2745 * calls.c (initialie_argument_information): Call set_mem_attributes.
2746 (compute_argument_addresses, expand_call): Likewise.
2747 * explow.c (set_mem_attributes): New function.
2748 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
2749 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
2750 LEN and OFFSET now HOST_WIDE_INT.
2751 (clear_by_pieces): Similar changes.
2752 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
2753 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
2754 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
2755 (clear_by_pieces_1): Likewise.
2756 (emit_push_insn): Call set_mem_attributes.
2757 (expand_expr, case INDIRECT_REF): Likewise.
2758 (expand_expr, case VAR_DECL): Call change_address.
2759 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
2761 (get_varargs_alias_set, get_frame_alias_set): New decls.
2762 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
2763 (new_alias_set, set_mem_attributes): Likewse.
2764 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
2765 (assign_stack_temp_for_type): Likewise.
2766 Can split slot even if alias set since can copy.
2767 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
2768 (assign_temp): Use host_integerp and tree_low_cst.
2769 (put_var_into_stack): Properly handle SAVE_EXPR.
2770 (put_addressof_into_stack): Likewise.
2771 (assign_parms): Call set_mem_attributes.
2773 (fix_lexical_address): Put reference to chain into frame alias set.
2774 (expand_function_start): Call set_mem_attributes.
2775 * integrate.c (expand_inline_function): Likewise.
2776 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
2777 * regmove.c (try_apply_stack_adjustment): Likewise.
2778 * reload.c (push_reload, make_memloc): Likewise.
2779 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
2780 * rtl.def (MEM): Update comment.
2781 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
2782 (move_by_pieces): Change length to HOST_WIDE_INT.
2783 (record_base_value, record_alias_subset): Delete from here.
2784 * stmt.c (expand_decl): Call set_mem_attributes.
2785 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
2786 * toplev.c (compile_file): Call init_alias_once earlier.
2787 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
2788 from here: now in alias.c.
2789 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
2790 (struct tree_decl): Likewise.
2791 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
2792 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
2793 (output_constant_def, force_const_mem): Likewise.
2795 * flow.c (propagate_block): If block has no successors, stores to
2796 frame are dead if not used.
2798 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
2800 * stmt (expand_end_case): Reorder conversion sequence for jump
2801 table to avoid extra truncations.
2803 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
2805 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
2806 in the block is more than just a simple conditional branch.
2807 (noce_process_if_block): Similarly.
2809 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
2811 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
2814 2000-05-30 Michael Meissner <meissner@redhat.com>
2816 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
2817 instructions. Treat LO_SUM operations as loading the full integer
2820 2000-05-30 Richard Henderson <rth@cygnus.com>
2822 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
2824 2000-05-30 Richard Henderson <rth@cygnus.com>
2826 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
2828 2000-05-30 Bruce Korb <bkorb@gnu.org>
2830 * fixinc/tests/*: Added expected result files for fixinc's make check
2831 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
2833 2000-05-30 Richard Henderson <rth@cygnus.com>
2835 * config/alpha/alpha.md (*setne_internal): Use match_operator
2836 instead of working down from insn.
2838 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2840 * invoke.texi (-Wtraditional): Update WRT function macros.
2842 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
2844 * except.c (free_exception_table): Do not free NULL.
2846 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2848 * cpplib.c (do_if): Don't save and restore only_seen_white here.
2849 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
2852 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
2854 * flow.c (mark_used_reg): If a register is unconditionally live,
2855 remove any conditional death information.
2857 2000-05-29 Richard Henderson <rth@cygnus.com>
2859 * final.c (current_output_insn): New.
2860 (final_scan_insn): Set it.
2861 * output.h: Declare it.
2863 2000-05-29 Richard Henderson <rth@cygnus.com>
2865 * stor-layout.c (finalize_record_size): Fix typo.
2867 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
2870 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2872 * cpplib.h (cpp_reader): Remove if_stack. Change
2873 potential_control_macro to a cpp_hashnode *. Add skipping flag.
2874 * cpphash.h (struct ihash): Change control_macro to a
2875 cpp_hashnode * and shorten name to cmacro.
2876 Add NEVER_REINCLUDE constant.
2878 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
2879 Examine the cmacro node directly, no need to call cpp_defined.
2880 (_cpp_execute_include, read_include_file): Set cmacro to
2881 NEVER_REINCLUDE, not U"".
2882 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
2883 (cpp_get_token): If pfile->skipping is true, discard text and
2884 keep scanning until we hit a directive; don't expand macros.
2886 * cpplib.c (struct if_stack): Remove if_succeeded, add
2887 was_skipping. Change control_macro to a cpp_hashnode * and
2888 shorten name to cmacro. Remove typedef IF_STACK.
2889 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
2890 (conditional_skip, skip_if_group,
2891 consider_directive_while_skipping): Delete.
2892 (push_conditional): New.
2893 (_cpp_handle_directive): Don't process directives other than
2894 conditionals if we are skipping.
2896 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
2897 Update to new scheme.
2898 (validate_else): Skip rest of line here, unconditionally.
2899 (_cpp_unwind_if_stack): The stack is per-buffer. Force
2900 pfile->skipping off.
2902 (all): Remove `scare quotes' from error messages.
2904 2000-05-29 Richard Henderson <rth@cygnus.com>
2906 * function.c (emit_return_into_block): New line_note arg; emit it.
2907 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
2908 for the close brace to accompany HAVE_return. Move all line notes
2909 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
2911 2000-05-29 Richard Henderson <rth@cygnus.com>
2913 * longlong.h [__alpha] (count_leading_zeros): New.
2914 (count_trailing_zeros): New.
2915 (COUNT_LEADING_ZEROS_0): New.
2917 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
2918 (alpha_split_conditional_move): New.
2919 * config/alpha/alpha-protos.h: Prototype them.
2920 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2921 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
2922 * config/alpha/alpha.md: Update ffs cix commentary.
2924 (*nabssf2, *nabsdf2): New.
2925 (*mov[qhsd]icc_internal): Use add_operand.
2926 (if_then_else constant splitters): New.
2927 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
2928 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
2930 2000-05-29 Richard Henderson <rth@cygnus.com>
2932 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
2933 a constant to NEG or NOT when conditions allow.
2935 * combine.c (combine_simplify_rtx): Don't create an if_then_else
2936 unless both args are general_operand. Don't canonicalize plus
2937 to ior unless it helps.
2939 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
2940 instead track register_life_up_to_date. Toggle no_new_pseudos
2943 2000-05-28 Geoff Keating <geoffk@cygnus.com>
2945 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
2946 so output_operand doesn't see them.
2948 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
2950 * lcm.c (make_preds_opaque): Fix comment.
2951 (optimize_mode_switching): Use NORMAL_MODE instead of
2952 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
2953 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
2954 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
2955 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
2956 (MODE_USES_IN_EXIT_BLOCK): Delete.
2957 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
2958 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
2959 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
2960 (MODE_NEEDED): Don't look for USE.
2961 (EPILOGUE_USES): Define.
2963 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
2965 * mklibgcc.in (all): Variable initialised to `libgcc'.
2967 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
2969 * toplev.h (skip_leading_substring): New macro.
2970 * toplev.c (decode_f_option): Use skip_leading_substring instead
2972 (decode_W_option): Likewise.
2974 2000-05-28 Nick Clifton <nickc@cygnus.com>
2976 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
2979 2000-05-28 Richard Henderson <rth@cygnus.com>
2981 * regclass.c (record_operand_costs): Protect reg_changes_size
2982 with CLASS_CANNOT_CHANGE_SIZE.
2984 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
2986 2000-05-28 Richard Henderson <rth@cygnus.com>
2988 * function.c (diddle_return_value): A pcc-style struct return
2991 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2993 * cppfiles.c: Read files in, using mmap if possible, then
2994 prescan them separately.
2995 (read_file, read_with_read): New functions.
2996 * cpplex.c: Don't define UCHAR_MAX.
2997 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3000 * cppinit.c (handle_option): Automatically define __cplusplus,
3001 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3002 the respective -lang switch.
3004 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3005 prototype): Move to...
3006 * cpplib.h: ... here. Rename struct hashnode to struct
3007 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3008 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3010 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3012 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3014 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3015 (class_can_change_size): New variable.
3016 (reg_changes_size): New variable.
3017 (init_reg_sets_1): Initialise class_can_change_size.
3018 (record_operand_costs): Remove subreg_changes_size.
3019 Don't pass it around. Instead update reg_changes_size.
3020 (regclass): Initialise and free reg_changes_size. If a register
3021 changes size, don't preference it to a class that contains
3022 registers that can't change size.
3023 (record_reg_classes): Don't look at subreg_changes_size.
3025 2000-05-27 Richard Henderson <rth@cygnus.com>
3027 * print-rtl.c (reg_names): Remove const.
3028 * regclass.c (reg_names): Likewise.
3029 * regs.h (reg_names): Likewise.
3030 * hard-reg-set.h (reg_names): Likewise.
3032 2000-05-27 Richard Henderson <rth@cygnus.com>
3034 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3036 2000-05-27 Richard Henderson <rth@cygnus.com>
3038 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3039 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3040 (alpha_expand_prologue): Emit prologue_mcount if needed.
3041 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3042 * config/alpha/alpha.md (prologue_mcount): New.
3043 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3044 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3045 * config/alpha/netbsd.h: Likewise.
3047 2000-05-27 Richard Henderson <rth@cygnus.com>
3049 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3050 change to config/elfos.h.
3052 2000-05-27 Richard Henderson <rth@cygnus.com>
3054 * Makefile.in (resource.o): Depend on except.h.
3055 * except.h (output_exception_table_data): Prototype.
3056 * genconfig.c (gen_peephole2): Prototype.
3057 * genemit.c (main): Include ggc.h.
3058 * genoutput.c: Revert parts of last change: include errors.h
3059 (main): Set progname.
3060 * recog.c: Include hard-reg-set.h before recog.h.
3061 * resource.c: Include except.h.
3063 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3065 (alpha_write_linkage): Protect with BUFSIZ.
3066 (alpha_need_linkage): Update prototype.
3067 * config/alpha/alpha.c (function_arg): Move VMS code here.
3068 (alpha_links_base): Remove.
3070 (mark_alpha_links_node, mark_alpha_links): New.
3071 (alpha_write_one_linkage): New.
3072 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3073 (alpha_write_linkage): Use splay_tree_foreach.
3074 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3075 to get the linkage symbol.
3076 (call_value_vms): Likewise.
3077 * config/alpha/elf.h (output_file_directive): Remove decl.
3078 (ctors_section, dtors_section): Prototype.
3079 (sbss_section, sdata_section): Prototype.
3080 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3081 (readonly_section, link_section, literals_section): Prototype.
3082 (ctors_section, dtors_section): Prototype.
3083 (vms_valid_decl_attribute_p): Remove decl.
3084 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3086 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3088 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3090 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3091 substituting the REG in a (subreg:X (reg:Y ...)).
3093 2000-05-28 Neil Booth <NeilB@earthling.net>
3095 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3096 first token of a line BOL. Update EOF code for this.
3097 Remove illegal directive check - it appears in the (not
3098 yet committed) caller.
3099 * cpplib.h (BOL): New flag.
3101 2000-05-28 Neil Booth <NeilB@earthling.net>
3103 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3104 (_cpp_free_toklist): No comment space to free.
3105 (expand_comment_space): Remove.
3106 (save_comment_space): Place the comment in the current token and
3107 not in a separate comment space.
3108 (_cpp_lex_line): Save comments during plain code and #define
3110 * cpplib.h (struct _cpp_toklist): Remove comment space.
3112 2000-05-28 Neil Booth <NeilB@earthling.net>
3114 * cppexp.c (parse_assertion): Supply extra argument to
3116 * cpplib.c (do_assert, do_unassert): Similarly.
3117 * cpphash.h (_cpp_init_toklist) Update.
3118 (_cpp_expand_token_space): New.
3119 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3120 * cpplex.c (_cpp_init_toklist): New argument.
3121 (parse_string2): New argument multiline_ok.
3122 (spell_token): Take a const cpp_token *.
3123 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3124 (SPELL_ macros): Replace with enum.
3125 (expand_token_space): Replace with _cpp_expand_token_space.
3126 Take COUNT argument.
3127 (IS_DIRECTIVE): Update.
3128 (_cpp_lex_line): Update token structure before parsing number.
3129 Don't assume start at beginning of token list.
3130 (save_comment): Use INIT_TOKEN_NAME.
3132 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3134 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3135 -Wmissing-prototypes.
3136 * configure: Regenerate.
3137 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3139 * builtins.c, calls.c: Change all instances of gen_call_* or
3140 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3141 * calls.c (struct_value_size_rtx): Separate definition from
3142 initialization to avoid unused variable warning.
3144 * genflags.c (gen_macro): New function.
3145 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3146 (gen_nonproto): Delete.
3147 (gen_insn): Put all insns on the same obstack.
3148 (main): Generate prototypes for everything unconditionally.
3150 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3151 out check for wchar_t.
3152 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3153 * system.h: Add infrastructure for defining missing
3154 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3155 definitions of UCHAR_MAX and SSIZE_MAX.
3156 * configure: Regenerate.
3157 * config.in: Regenerate.
3159 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3160 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3162 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3163 libgcc2.a, or libgcc1.null.
3165 2000-05-27 Richard Henderson <rth@cygnus.com>
3167 * Makefile.in (recog.o): Don't depend on resource.h.
3168 * recog.c: Don't include resource.h.
3169 (recog_last_allowed_insn): Remove.
3170 (recog_next_insn): Remove.
3171 (struct peep2_insn_data): New.
3172 (peep2_insn_data, peep2_current): New.
3173 (peep2_next_insn): New.
3174 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3175 (peep2_find_free_register): New.
3176 (peephole2_optimize): Track life information by insn as we go.
3177 * recog.h: Update declarations.
3178 * resource.c (find_free_register, reg_dead_p): Remove.
3179 * resource.h: Remove their declarations.
3180 * toplev.c: Include hard-reg-set.h before recog.h.
3182 * genconfig.c (max_insns_per_peep2): New.
3183 (gen_peephole2): New.
3185 * genemit.c (output_peephole2_scratches): Generate calls to
3186 peep2_find_free_register; adjust surrounding code.
3187 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3188 * genrecog.c (change_state): Don't track last_insn.
3189 (write_action): Write into *_pmatch_len before accepting.
3190 (write_tree): Adjust peephole2_insns and subroutines to match.
3192 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3194 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3195 (hard_int_register_operand): New.
3196 * config/alpha/alpha-protos.h: Declare it.
3197 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3198 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3199 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3201 2000-05-27 Richard Henderson <rth@cygnus.com>
3203 * function.c (thread_prologue_epilogue_insns): Don't move the
3204 line note at the head of the chain. Only force a lineno note
3205 before the end of block 0.
3207 2000-05-27 Richard Henderson <rth@cygnus.com>
3209 * gensupport.c (collect_insn_data): Record the maximum number
3210 of alternatives, not the last seen.
3212 * genoutput.c: Don't include errors.h.
3213 (struct data): Add lineno member.
3215 (scan_operands): Use message_with_line instead of error.
3216 (validate_insn_alternatives): Likewise.
3217 (gen_insn): Accept and store the pattern's line number.
3218 (gen_peephole, gen_expand, gen_split): Likewise.
3219 (main): Don't set progname. Pass line_no to gen_foo.
3221 2000-05-27 Richard Henderson <rth@cygnus.com>
3223 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3224 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3225 * config/d30v/d30v.md (attr predicable): New.
3226 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3227 (andsi3*): Unify into one pattern.
3228 (iorsi3*, xorsi3*): Likewise.
3229 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3231 (old cond_exec patterns): Remove.
3232 (define_cond_exec): New.
3234 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3236 * tree.h (TREE_CODE_LENGTH): New macro.
3237 * c-common.c (c_find_base_decl): Use it.
3238 * expr.c (safe_from_p): Likewise.
3239 * print-tree.c (print_node): Likewise.
3240 * tree.c (make_node, copy_node, get_identifier): Likewie.
3241 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3242 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3243 * fold-const.c (make_range): Likewise.
3244 (fold): Likewise; also use first_rtl_op.
3245 * c-iterate.c (collect_iterators): Use first_rtl_op.
3246 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3247 Use IS_EXPR_CODE_CLASS.
3248 (preexpand_calls): Likewise.
3249 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3250 and TREE_CODE_LENGTH.
3251 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3253 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3255 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3257 (movdi_internal64): Likewise.
3259 * config/rs6000/rs6000.md: Correct order of operands for DImode
3262 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3263 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3264 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3265 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3266 boolean_operator for the boolean patterns without NOTs.
3268 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3269 from reg_or_u_cint_operand. Change comment and behaviour.
3270 (logical_operand): Clean up, add assertion.
3271 (non_logical_cint_operand): Also check for
3272 reg_or_logical_cint_operand.
3273 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3274 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3280 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3282 * tree.h (struct record_layout_info): Rename to (struct
3283 record_layout_info_s).
3284 * stor-layout.c (start_record_layout): Replace
3285 `record_layout_info' with `record_layout_info_s'.
3287 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3289 * flow.c (find_label_refs): New function.
3290 (find_basic_blocks_1): Call it for each alternative of a call
3293 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3295 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3298 2000-05-25 Richard Henderson <rth@cygnus.com>
3300 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3301 so strict about DImode.
3302 (alpha_swapped_comparison_operator): Likewise.
3303 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3304 any integer output mode.
3305 (*setcc_internal): Likewise.
3306 (*setcc_swapped_internal): Likewise.
3307 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3308 (*mov[qhs]icc_internal): New.
3309 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3311 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3313 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3315 2000-05-25 Richard Henderson <rth@cygnus.com>
3317 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3318 Remove add_jump; add next; replace flags with visited.
3320 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3321 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3322 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3323 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3325 (reorder_index, reorder_last_visited): Remove.
3326 (skip_insns_after_block): Rewrite to use a switch.
3327 (get_common_dest): Remove.
3328 (chain_reorder_blocks): Remove.
3329 (record_effective_endpoints): Split out from reorder_basic_blocks.
3330 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3331 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3332 Only construct the reorder chain, do not move insns. Try harder
3334 (label_for_bb, emit_jump_to_block_after): New.
3335 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3336 and adjust the jump insns appropriately. Fixup basic_block_info.
3337 (verify_insn_chain): Always define.
3338 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3340 (make_new_scope): Don't write zeros to calloc'd space.
3341 (build_scope_forest): Rely on xrealloc to DTRT.
3342 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3343 profile_arc_flag. Streamline EH test.
3345 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3346 * basic-block.h: Declare them.
3348 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3350 * emit-rtl.c (reset_used_decls): New function.
3351 (unshare_all_rtl_again): Call it.
3353 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3355 * cpplex.c (maybe_macroexpand): Warn about function-like
3356 macros used in non-function context, if -Wtraditional.
3358 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3360 * recog.c (peephole2_optimize): Use INSN_P.
3362 2000-05-25 Richard Henderson <rth@cygnus.com>
3364 * ifcvt.c (seq_contains_jump): New.
3365 (noce_try_store_flag_constants): Use it to fail conversion.
3366 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3368 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3370 * except.h (can_throw): Declare it.
3371 * except.c (can_throw): Give it external linkage.
3372 * resource.c (find_dead_or_set_registers): Use can_throw.
3374 2000-05-25 Richard Henderson <rth@cygnus.com>
3376 * flow.c (mark_set_1): Don't record conditionally dead memory.
3378 2000-05-25 Jan Hubicka <jh@suse.cz>
3380 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3381 and pc_set at the place of simplejump_p and condjump_p.
3382 * cse.c (record_jump_equiv): Likewise.
3383 * emit-rtl.c (emit): Likewise.
3384 * explow.c (find_next_ref): Likewise.
3385 * flow.c (tidy_fallthru_edge): Likewise.
3386 (init_propagate_block_info): Likewise.
3387 * gcse.c (delete_null_pointer_checks): Likewise.
3388 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3389 dead_or_predicable): Likewise.
3390 * integrate.c (copy_insn_list): Likewise.
3391 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3392 for_each_insn_in_loop, check_dbra_loop, get_condition,
3393 insert_bct, load_mems): Likewise.
3394 * resource.c (find_dead_or_set_registers): Likewise.
3395 * sibcalls.c (simplejump_p): Likewise.
3396 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3398 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3400 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3401 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3403 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3404 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3405 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3406 * rs6000.md: Name various internal patterns.
3408 2000-05-25 Jan Hubicka <jh@suse.cz>
3410 * jump.c (invert_exp_1): Remove first argument, use pc_set
3411 to get the expression.
3412 (redirect_exp): Make static; redirect only the pc_set expression,
3413 remove first argument.
3414 (invert_exp): Remove first argument, make static.
3415 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3416 any_onlyjump at most places where we originaly did condjump_p
3418 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3419 (delete_barrier_succesors): Use pc_set.
3420 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3421 calls of invert_exp and redirect_exp.
3422 * rtl.h (redirect_exp, invert_exp): Remove.
3423 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3425 2000-05-25 Richard Henderson <rth@cygnus.com>
3427 * stmt.c (expand_end_bindings): Fix thinko last change.
3429 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3430 Andrew Haley <aph@cygnus.com>
3432 * except.c (func_eh_entry): Add emitted field.
3433 (new_eh_region_entry): Set emitted field to 0;
3434 (output_exception_table_entry): Only emit previously un-emitted data,
3435 and send it to the eh_data section.
3436 (output_exception_table): Break out common parts. Output
3437 exception table for entire compilation unit to eh_data section.
3438 (output_exception_table_data): Common parts of output_exception_table.
3439 Send output to eh_data section.
3440 (output_function_exception_table): Output exception table data for
3441 a single function to eh_data section.
3442 (free_exception_table): New external to free the table.
3443 * except.h (free_exception_table): Add prototype.
3444 (output_function_exception_table): Add prototype.
3445 * final.c (final_end_function): Output function exception table
3446 for IA64_UNWIND_INFO.
3447 (final_scan_insn): Emit any unwind directives for an insn.
3449 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3451 * frame.c: Remove all DWARF 2 specific code.
3452 * config/ia64/frame-ia64.c: New file.
3453 (gthread_stuff): Make all gthread available with
3455 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3456 (__register_frame_info, __register_frame): Move to common area of file.
3457 (__register_frame_info_table, __register_frame_table): Move to common i
3459 (__deregister_frame_info, __deregister_frame): Move to common area.
3460 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3461 (read_uleb128): New version for ia64.
3462 (get_unwind_record): Read the next IA-64 unwind record.
3463 (read_R_record): Read a region header record.
3464 (process_a_b_reg_code): X record helper.
3465 (read_X_record): Read an X format record.
3466 (read_B_record): Read a B format record.
3467 (P3_record_types): List of record types matching the P3 format.
3468 (P7_record_types): List of record types matching the P7 format.
3469 (P8_record_types): List of record types matching the P8 format.
3470 (read_P_record): Read a P format record.
3471 (init_ia64_reg_loc): Set default fields for a register.
3472 (init_ia64_unwind_frame): Set defaults for all register records.
3473 (execute_one_ia64_descriptor): Execute one descriptor record.
3474 (rse_address_add): Calculate the position of a local reg in memory.
3475 (normalize_reg_loc): Turn a location descriptor into a memory address.
3476 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3477 within a specified PC offset range.
3478 (get_real_reg_value): Given a register location, retrieve its value.
3479 (set_real_reg_value): Change the value of a register location.
3480 (copy_reg_value): Copy reg values, if needed.
3481 (copy_saved_reg_state): Copy all registers that need to be copied.
3482 (process_state_between): Normalize all frame register records that
3483 fall within the specified PC range.
3484 (frame_translate): Take a processed frame description, and turn
3485 everything into addresses.
3486 (build_ia64_frame_state ): Find and create frame state record for a PC.
3487 (get_personality): Get the personality routine for a given frame.
3488 (get_except_table): Get the exception table for a given frame.
3489 (record_name): Unwind record names for debugging.
3490 (print_record): Print and unwind record.
3491 (print_all_records): Print an entire unwind image.
3492 (__ia64_backtrace): Print a backtrace.
3493 (ia64_backtrace_helper): New function.
3494 (__register_frame_info_aux): New function.
3495 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3497 * frame.h (enum unw_record_type): New unwind record types.
3498 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3499 (struct unw_r_record, unwind_record): New unwind record structs.
3500 (struct unwind_info_ptr): Unwind information layout.
3501 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3503 (struct ia64_reg_loc): Register location description.
3504 (struct ia64_frame_state): Location of all registers in a frame.
3505 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3506 * libgcc2.c (__ia64_personality_v1): Personality routine.
3507 (__calc_caller_bsp): Calculate the bsp register for the caller's
3509 (ia64_throw_helper): Figure out who to return to and set up the
3511 (__throw): Throw routine.
3513 * output.h (assemble_eh_align, assemble_eh_label): New functions
3514 to generate EH info where we want it.
3515 (assemble_eh_integer): New function.
3516 * toplev.c (compile_file): Output module level exception table for
3518 (main): Set exceptions_via_longjump and flag_new_exceptions based
3519 on IA64_UNWIND_INFO too.
3521 * varasm.c (assemble_eh_label): Generate a label via
3522 ASM_OUTPUT_EH_LABEL if it has been specified.
3523 (assemble_eh_align): Generate an alignment directive via
3524 ASM_OUTPUT_EH_ALIGN if it has been specified.
3525 (assemble_eh_label): Generate an integer value via
3526 ASM_OUTPUT_EH_type if they have been specified.
3527 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3528 (ia64_init_builtins): Add __builtin_ia64_bsp
3529 and __builtin_ia64_flushrs.
3530 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3531 IA64_BUILTIN_FLUSHRS.
3532 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3533 IA64_BUILTIN_FLUSHRS.
3535 * config/ia64/ia64.md (flushrs): New insn to flush the register
3536 stack. Add to unspec list.
3538 * config/ia64/crtbegin.asm (frame_object): Change size.
3539 (__do_frame_setup_aux): New function.
3540 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3541 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3542 * Makefile.in (LIB2ADDEH): Add.
3543 (LIB2ADD): Use LIB2ADDEH.
3545 2000-05-24 Richard Henderson <rth@cygnus.com>
3547 * recog.c (offsettable_address_p): If mode size is zero, assume
3550 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
3552 * configure.in: Check for -Wno-long-long option support and improve
3553 handling of warning CFLAGS for stages 1 and 2.
3554 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
3555 * configure: Regenerate.
3557 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
3559 * gcc.texi: Remove contributor list. Instead include contrib.texi.
3560 * contrib.texi: New file.
3562 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3564 * loop.c (basic_induction_var): Avoid double recording of an increment.
3566 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3568 * Back out this patch:
3569 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
3570 * loop.h (struct induction): Add multi_insn_incr.
3571 * loop.c (basic_induction_var): New multi_insn_incr argument.
3572 Set it if we search back through previous insns for the biv.
3573 (record_biv): New multi_insn_incr argument; fill in struct induction.
3574 (strength_reduce): Discard an iv with multiple bivs, any of
3575 which require multiple insns to increment.
3577 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
3579 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3581 * rtl.h (loc_mentioned_in_p): Declare.
3582 * reload.c (loc_mentioned_in_p): Moved from here...
3583 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
3584 Fix loop increment for 'E' handling.
3585 * loop.c (strength_reduce): When doing biv->giv conversion,
3586 take multi-insn biv increments into account.
3588 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
3590 * stmt.c (expand_end_bindings): Look through NOTEs to find a
3593 2000-05-24 Mark Mitchell <mark@codesourcery.com>
3595 * calls.c (expand_call): Handle cleanups in tail-recursion
3596 arguments analagously to cleanups in sibling calls.
3598 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3600 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
3601 All callers changed.
3603 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3605 * expr.c (expand_assignment, store_expr, expand_expr,
3606 expand_expr_unaligned): Set in_check_memory_usage while emitting
3607 chkr_check_addr libcall.
3609 2000-05-24 Nick Clifton <nickc@cygnus.com>
3611 * fold-const.c (extract_muldiv): When constructing a
3612 multiplier/divisor, do not expect const_binop to correctly
3613 determine if overflow has occured, so check explicitly.
3615 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3617 * c-decl.c (build_enumerator): Don't modify the value's type,
3620 2000-05-24 Andreas Jaeger <aj@suse.de>
3622 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
3624 2000-05-24 Eric Christopher <echristo@cygnus.com>
3626 * configure.in: Redefine inhibit_libc conditions.
3627 * libgcc2.c: Remove inhibit_libc conditional define.
3628 * configure: Regenerate.
3630 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
3632 * configure.in: For --enable-languages=LIST, check for empty LIST.
3633 * configure: Regenerate.
3635 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
3637 * pdp11.h (STACK_BOUNDARY): Define.
3639 2000-05-24 Jakub Jelinek <jakub@redhat.com>
3641 * ifcvt.c (if_convert): Update life info globally.
3643 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3645 * emit-rtl.c (unshare_all_decls): New function.
3646 (unshare_all_rtl): Call it.
3648 2000-05-23 Nick Clifton <nickc@cygnus.com>
3650 * configure.in: Treat 'strongarm' as if it were 'arm' when
3651 determining cpu type.
3653 * configure: Regenerate.
3655 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
3656 where constant strings are involved.
3658 * config/arm/arm.h (arm_condition_codes): Change type to 'const
3661 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
3662 cases where constant strings are involved.
3664 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
3666 * config/sh/sh.c (gen_far_branch, split_branches): Update
3667 to reflect new prototypes for redirect_jump and invert_jump.
3668 (sh_insn_length_adjustment): Get rid of const warnings.
3670 2000-05-23 Kazu Hirata <kazu@hxi.com>
3672 * invoke.texi (Options for Debugging Your Program or GCC): Update
3673 the names of dump files.
3675 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
3677 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
3678 * configure: Regenerated.
3680 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3682 * simplify-rtx.c (SIGN_EXTEND): New macro.
3683 (simplify_unary_operation, simplify_binary_operation,
3684 simplify_relational_operation): Use SIGN_EXTEND. Make low
3685 halves of (low, high) pairs unsigned if they weren't already.
3686 (simplify_ternary_operation): Cast INTVAL to unsigned before
3687 comparing to a MODE_BITSIZE.
3689 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3691 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
3692 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
3694 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
3695 gcc_AC_NEED_DECLARATIONS.
3697 * dwarfout.c: Don't prototype time().
3699 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
3701 * system.h: Likewise.
3703 * toplev.c: Likewise.
3705 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3707 * c-decl.c (pushdecl): Invert sense of test for non-global types.
3709 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3711 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
3713 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
3715 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
3717 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3719 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
3720 (alpha_start_function): Never write ..ng label if VMS or NT.
3721 (alpha_align_insns): Remove GP_IN_USE arg.
3722 Alignment now unsigned.
3723 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
3724 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
3725 and two define_insn's.
3727 2000-05-22 Richard Henderson <rth@cygnus.com>
3729 * combine.c (simplify_comparison): Use trunc_int_for_mode.
3731 2000-05-22 Richard Henderson <rth@cygnus.com>
3733 * stor-layout.c (place_field): Change rli->size to rli->offset.
3735 2000-05-22 Richard Henderson <rth@cygnus.com>
3737 * function.c (thread_prologue_and_epilogue_insns): Make sure
3738 existing line number notes appear after the prologue.
3740 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3742 * config/alpha/alpha.c (alpha_fnname): New static variable.
3743 (print_operand, case '~'): New case.
3744 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
3745 (alpha_start_function): Set alpha_fnname.
3746 Write "ng" label if no ldgp; don't write ldgp insn.
3747 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
3748 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
3750 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
3752 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
3755 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
3757 * varasm.c (eh_frame_section): Revert change to argument list.
3759 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3761 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
3762 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
3764 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
3765 dangling "else" that causes "break" to be conditional.
3766 Also remove unneeded code at start.
3768 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
3770 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
3771 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
3772 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
3774 2000-05-22 Jakub Jelinek <jakub@redhat.com>
3776 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
3779 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3781 * alias.c (record_component_aliases): New function.
3782 * tree.h: Clean up some declarations and comments.
3783 (record_component_aliases): New declaration.
3784 * tree.c (get_alias_set): If type and has alias set, use it.
3786 2000-05-22 Richard Henderson <rth@cygnus.com>
3788 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
3789 IF_THEN_ELSE to a setcc form.
3790 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
3792 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3794 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
3795 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
3797 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3799 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
3802 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3804 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
3805 * config/mn10300/mn10300.c (print_operand): Likewise.
3807 * final.c (split_double): Right shift of negative values is not
3810 * ifcvt.c (if_convert): Scan and kill dead code.
3812 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
3814 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
3816 * diagnostic.c: Eliminate implicit int.
3817 * except.c, gcc.c: Add static prototypes.
3818 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
3819 * gensupport.c (process_rtx): Use XVEC to initialize vector
3822 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
3823 debug_reg_names instead of static reg_names. If not, define
3825 * regclass.c: Don't define global reg_names unless
3826 DEBUG_REGISTER_NAMES is defined.
3828 * reload1.c (order_regs_for_reload): Remove unused variable.
3829 * varasm.c: Include output.h after defaults.h. Define
3830 eh_frame_section as function of no args, not of unspecified args.
3832 * gcc.c: Constify argbuf; arguments to store_arg,
3833 process_command, main; elements of struct command and struct
3834 switchstr; local variables in execute, process_command, main.
3836 2000-05-20 Bruce Korb <bkorb@gnu.org>
3838 * fixinc/inclhack.def: many applications of c_fix=format + tests
3839 * fixinc/check.diff: regenerated
3840 * fixinc/fixincl.x: regenerated
3842 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3844 * alias.c: Clarify some comments.
3845 (record_base_value): REGNO is unsigned.
3846 * rtl.h (record_base_value): Likewise.
3848 * alias.c (aliases_everything_p): Don't special-case QImode here.
3849 * c-common.c (c_get_alias_set): Do it here.
3850 Handle BIT_FIELD_REF by getting alias info for arg.
3853 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3855 * mklibgcc.in: Restore rule to create ${dir}.
3857 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
3859 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
3860 GCC_FOR_TARGET used by MULTILIBS.
3861 * mklibgcc.in: Make sure each .o file depends on the
3862 directory it will be in.
3863 Make the multilib directory depends libgcc.
3865 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
3867 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
3869 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
3871 * fold-const.c (make_range): Handle degenerated intervals.
3872 Fixes c-torture/execute/991221-1.c
3874 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3876 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
3877 * reload.c (find_equiv_reg): Likewise.
3878 * alias.c (init_alias_analysis): Likewise.
3879 Only call prologue_epilogue_contains on insns.
3880 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
3881 * bb-reorder.c (hard-reg-set.h): Include earlier.
3882 * haifa-sched.c (hard-reg-set.h): Likewise.
3883 * ifcvt.c (hard-reg-set.h): Likewise.
3884 * local-alloc.c (hard-reg-set.h): Likewise.
3885 * loop.c (hard-reg-set.h): Likewise.
3886 * predict.c (hard-reg-set.h): Likewise.
3887 * regrename.c (hard-reg-set.h): Likewise.
3888 * flow.c (hard-reg-set.h): Likewise.
3889 (reg_set_to_hard_reg_set): New function.
3890 * bitmap.c (regs.h, basic-block.h): No longer include.
3891 (bitmap.h): Now include.
3892 * conflict.c (hard-reg-set.h): Include.
3893 * profile.c (hard-reg-set.h): Likewise.
3894 * print-rtl.c (hard-reg-set.h): Likewise.
3895 * sbitmap.c (hard-reg-set.h): Likewise.
3896 * toplev.c (hard-reg-set.h): Likewise.
3897 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
3898 * hard-reg-set.h (reg_names): Now constant.
3899 * regs.h (reg_names): Likewise.
3900 * regclass.c (reg_names): Likewise.
3901 * loop.h (basic-block.h): No longer include.
3902 (bitmap.h): Now include.
3903 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
3904 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
3905 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
3907 2000-05-19 Jan Hubicka <jh@suse.cz>
3908 Richard Henderson <rth@cygnus.com>
3910 * basic-block.h (struct edge_def): New field "count".
3911 (struct basic_block_def): Likewise.
3912 * flow.c (entry_exit_blocks): Add count fileds.
3913 (split_edge): Keep count information up-to-date.
3914 (dump_edge_info, dump_flow_info): Dump count fields.
3916 * final.c (count_instrumented_edges): Rename to edge from arc.
3917 (end_final): Update users.
3918 * profile.c: Include expr.h, basic-block.h.
3919 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
3920 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
3921 (ignore_next_note, return_label_execution_count): Kill.
3922 (bbg_file_name, da_file_name): Kill.
3923 (edge_info, bb_info): New structures.
3924 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
3925 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
3926 (total_num_edges_instrumented): Likewise.
3927 (init_arc, expand_spanning_tree): Kill.
3928 (fill_spanning_tree, tablejump_entry_p): Kill.
3929 (instrument_edges): Rewrite from instrument_arcs to use
3930 commit_edge_insertions infrastructure.
3931 (compute_branch_probabilities): Remove arguments; rewrite for
3932 CFG infrastructure; use rtl_dump_file directly.
3933 (branch_prob, find_spanning_tree): Likewise.
3934 (union_groups, find_group): New.
3935 (init_branch_prob): Make bbg_file_name and da_file_name local.
3936 (end_branch_prob): Use rtl_dump_file directly.
3937 (init_edge_profiler): Rename to edge from arc.
3938 (output_arc_profiler): Kill.
3939 (gen_edge_profiler): New.
3940 (output_func_start_profiler): Turn off profiling. Make the
3941 constructor static when we can.
3942 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
3944 * toplev.c (DFI_flow): Remove.
3945 (DFI_cfg, DFI_life): New.
3946 (dump_file): Update accordingly.
3947 (compile_file): Call end_branch_prob if profile_arc_flag too.
3948 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
3949 profiling after the CFG is built. Move flow1 life analysis to
3950 DFI_life. Always estimate remaining probabilities.
3952 2000-05-19 Richard Henderson <rth@cygnus.com>
3954 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
3956 * flow.c (make_edges): The sibling call edge to exit is abnormal.
3958 2000-05-19 Richard Henderson <rth@cygnus.com>
3960 * jump.c (redirect_jump): Add delete_unused argument. Don't
3961 remove labels and code following when LABEL_NUSES goes to zero.
3962 (invert_jump): Likewise.
3963 (jump_optimize_1): Fix redirect/invert arguments.
3964 (do_cross_jump, thread_jumps): Likewise.
3965 * flow.c (split_edge): Likewise.
3966 * reorg.c (optimize_skip): Likewise.
3967 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
3968 * profile.c (instrument_arcs): Likewise.
3969 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
3970 * rtl.h: Update prototypes.
3972 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
3974 * ssa.c (convert_from_ssa): Tell life_analysis we need death
3976 (make_regs_equivalent_over_bad_edges): Only look at abnormal
3979 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
3981 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
3982 past l1 when deleting whitespace and markers.
3984 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
3985 * cpplib.c (do_unassert): Put the list to compare against on
3988 2000-05-19 Bruce Korb <bkorb@gnu.org>
3990 * fixinc/README: cleaned up old documentation
3991 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
3992 * fixinc/check.tpl: compute the list of needed directories
3993 emit "#if defined(name)" because of conflict
3994 omit machine name differences from output differences
3995 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
3996 (machine_name): change test text to use `sed' markers
3997 * fixinc/fixincl.x: regen
3999 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4001 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4004 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4006 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4007 it to match the current practice.
4009 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4011 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4013 2000-05-18 Richard Henderson <rth@cygnus.com>
4015 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4016 * rtl.h (insn_dependant_p): Declare it.
4017 * loop.c (strength_reduce): Use it.
4019 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4021 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4022 16-bit and 64-bit clean-up.
4024 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4026 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4027 * configure: Rebuilt.
4029 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4031 * genopinit.c: Use $ for escape sequences in optab patterns.
4032 Remove backslashes from optab patterns. Change $A, $B, $C to
4033 expand to (int) whatever instead of just whatever; remove
4034 explicit (int) from all optab patterns.
4036 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4037 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4038 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4039 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4042 2000-05-18 Richard Henderson <rth@cygnus.com>
4044 * jump.c (jump_optimize_1): Base minimum insn count during
4045 find_cross_jump on BRANCH_COST.
4047 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4049 * print-rtl.c (print_rtx): Only print note line number as string
4050 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4051 * final.c (final_scan_insn): Do nothing for note line number 0.
4053 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4055 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4056 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4057 NOTE_INSN_DELETED_LABEL.
4059 2000-05-18 Nick Clifton <nickc@cygnus.com>
4061 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4062 uninitialised data in .rodata not .bss, and do not interpret an
4063 error in the initialisation value as meaning that the variable
4064 should be placed in the .bss section.
4066 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4068 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4069 not `$ac_cv_prog_cc_cc_c_o'.
4070 * configure: Regenerated.
4072 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4073 Richard Henderson <rth@cygnus.com>
4075 * c-common.h (enum c_tree_index): Add g77 type entries.
4076 (g77_integer_type_node, g77_uinteger_type_node): New.
4077 (g77_longint_type_node, g77_ulongint_type_node): New.
4078 * c-decl.c (init_decl_processing): Initialize them.
4080 2000-05-18 Richard Henderson <rth@cygnus.com>
4082 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4084 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4085 (small_power_of_two): Likewise; use exact_log2.
4086 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4087 (output_adds_subs): Remove.
4088 (two_insn_adds_subs_operand): New.
4089 (split_adds_subs): New.
4090 * config/h8300/h8300-protos.h: Update.
4091 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4092 (CONST_OK_FOR_L): Match strict adds operands.
4093 (CONST_OK_FOR_N): Match struct subs operands.
4094 * config/h8300/h8300.md (adds_subs insns): Remove.
4095 (addhi patterns): Output adds/subs directly.
4096 (addsi_h8300h): Likewise.
4097 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4099 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4101 * cppexp.c (parse_assertion): New.
4102 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4103 (_cpp_parse_expr): Remove case '#'. Don't set
4104 parsing_if_directive.
4105 * cpphash.c (collect_objlike_expansion,
4106 collect_funlike_expansion, collect_params,
4107 _cpp_create_definition): The list no longer has a trailing
4109 * cpphash.h (enum node_type): Add T_ASSERTION.
4110 (struct hashnode): Remove aschain, add pred.
4111 (struct predicate): New.
4114 * cpplex.c (expand_token_space): Handle both offset and
4116 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4117 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4118 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4119 _cpp_equiv_toklists): New.
4120 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4121 stop at any single-character token, not just newline.
4122 (_cpp_lex_token): Remove special cases for #define and #if.
4123 (cpp_get_token): Expect # as a separate token type. Remove
4125 (_cpp_get_directive_token): Remove DIRECTIVE case.
4126 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4128 * cpplib.c (_cpp_check_directive): Set dirno and
4129 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4130 (_cpp_handle_directive): Run # <number> through the same logic
4131 as normal directives.
4132 (do_define): Don't set parsing_define_directive. Use
4133 _cpp_scan_until. The list does not have a VSPACE at the end.
4134 (do_if): Save, clear, and restore only_seen_white around
4136 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4137 (do_assert, do_unassert): Rewrite.
4139 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4140 (LIST_OFFSET): New flag.
4141 (struct cpp_toklist): Replace dir_handler and dir_flags with
4143 (struct cpp_reader): Remove parsing_if_directive and
4144 parsing_define_directive.
4146 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4148 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4149 following the cabs decl which terminate on the following line.
4150 Add the corresponding test_text case.
4152 2000-05-18 Neil Booth <NeilB@earthling.net>
4154 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4155 default tab stop size.
4156 (no_num, OPT_ftabstop): New.
4157 (handle_option): Handle "ftabstop=" command-line option.
4158 (print_help): Document it.
4159 * cpplex.c (COLUMN): Remove.
4160 (handle_newline): Reset col_adjust.
4161 (skip_whitespace): Update col_adjust as tabs encountered.
4162 (_cpp_lex_line): Update to use col_adjust. Call
4163 skip_whitespace for all whitespace.
4164 * cpplib.h (struct cpp_options): New member tabstop.
4165 (struct cpp_reader): New member col_adjust.
4166 (CPP_BUF_COL): Update.
4167 (CPP_BUF_COLUMN): New.
4168 * cpp.texi: Document "-ftabstop=" command line option.
4170 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4172 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4174 * configure: Rebuilt.
4176 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4178 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4180 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4181 HOST_BITS_PER_WIDE_INT is >= 64.
4183 2000-05-17 Richard Henderson <rth@cygnus.com>
4185 * jump.c (jump_optimize_1): Remove inactive but real insns
4186 in jump-to-next-insn optimization.
4188 2000-05-17 Richard Henderson <rth@cygnus.com>
4190 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4191 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4192 Don't call recompute_reg_usage if no_new_pseudos is true.
4193 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4194 Return true if we did work; update global life information.
4195 * basic-block.h (optimize_mode_switching): Update decl.
4197 2000-05-17 Neil Booth <neilb@earthling.net>
4199 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4201 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4203 * cpplib.c: New feature, #pragma system_header.
4204 * cpp.texi: Document special treatment of system headers, and
4205 the various mechanisms to get a header that special treatment.
4207 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4209 * system.h (offsetof): Define at the very end, to ensure we prefer
4210 the platform's definition if available.
4212 2000-05-16 Bruce Korb <bkorb@gnu.org>
4214 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4215 * fixinc/server.c: likewise
4216 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4217 + #ifdef debugging code + use #def constant for
4219 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4220 on C++ math namespace
4222 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4224 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4225 Don't check the return value of sprintf. Use asprintf to avoid
4228 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4230 * flags.h (warn_unused_function, warn_unused_label,
4231 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4232 Replace ``warn_unused''.
4233 (set_Wunused): Add declaration.
4234 * toplev.c (set_Wunused): New function.
4235 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4236 warn_unused_variable, warn_unused_value): New variables.
4237 (W_options): Add -Wunused-function, -Wunused-function,
4238 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4239 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4241 * toplev.c (decode_W_option): Update -Wunused flags by calling
4243 * c-decl.c (c_decode_option): Ditto for -Wall.
4245 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4246 warn_about_unused_variables): Replace warn_unused with more
4247 explicit warn_unused_value et.al.
4248 * function.c (expand_function_end): Ditto.
4249 * c-typeck.c (internal_build_compound_expr,
4250 internal_build_compound_expr): Ditto.
4251 * c-decl.c (poplevel, pop_label_level): Ditto.
4252 * toplev.c (check_global_declarations): Replace warn_unused with
4253 check for either warn_unused_function or warn_unused_variable.
4255 * gcc.1, invoke.texi (Warning Options): Document
4256 -Wunused-function, -Wunused-function, -Wunused-label,
4257 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4259 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4261 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4262 $(srcdir), not in the current directory.
4264 2000-05-16 Richard Henderson <rth@cygnus.com>
4266 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4267 assembler supports it.
4268 (.fini, .init): Use a gp-relative indirect call.
4269 (__do_global_dtors_aux): Preserve the gp; rebundle.
4270 (__do_frame_setup): Likewise.
4271 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4272 (.init): Use a gp-relative indirect call.
4273 (__do_global_ctors_aux): Preserve the gp.
4275 2000-05-16 Richard Henderson <rth@cygnus.com>
4277 * flow.c (commit_one_edge_insertion): Be prepared for a return
4278 insn to be inserted on the edge with a normal jump.
4279 * jump.c (jump_optimize_1): Don't look to create return isns.
4281 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4282 * jump.c (jump_optimize_1): Likewise.
4283 (returnjump_p): Verify the argument is a JUMP_INSN.
4284 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4286 2000-05-16 Nick Clifton <nickc@cygnus.com>
4288 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4289 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4290 (large_insn_p): Ditto.
4291 (m32r_is_insn): New function: Return true if the insn contains
4292 an executable instruction.
4293 (m32r_adjust_insn): Use m32r_is_insn.
4294 (m32r_sched_reorder): Use m32r_is_insn.
4295 (m32r_sched_variable_issue): Use m32r_is_insn.
4297 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4299 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4302 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4304 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4305 according to given options.
4307 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4309 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4310 if X has VOIDmode either.
4311 (LIMIT_RELOAD_CLASS): Similarly.
4313 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4314 not "general_operand" to match the processor's capabilities.
4316 2000-05-16 Bruce Korb <bkorb@gnu.org>
4318 * fixinc/README: corrected return address
4319 * fixinc/check.diff: regenerate, now that test works
4320 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4321 (char_macro_def_fix,char_macro_use_fix): corrected and
4322 rewrote to use regex to parse the text
4323 * fixinc/inclhack.def: more testing
4324 * fixinc/fixincl.x: regenerated
4326 * fixinc/inclhack.def: added several "test_text" attributes
4327 changed several fixes to use `c_fix = format'
4328 re-alphabetized the fixes
4330 * fixinc/check.diff: regenerate
4331 * fixinc/fixincl.x: regenerate
4332 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4336 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4338 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4340 2000-05-15 Richard Henderson <rth@cygnus.com>
4342 * toplev.c (rest_of_compilation): Run full jump pass before
4343 find_basic_blocks of flow2.
4345 2000-05-15 Richard Henderson <rth@cygnus.com>
4347 * jump.c: Fix typos and clarify commentary from last change.
4348 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4349 (safe_to_remove_jump_p): Remove.
4350 (condjump_label): Use pc_set.
4352 2000-05-15 Richard Henderson <rth@cygnus.com>
4354 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4355 that get in the way after reload.
4356 (cond_exec_process_if_block): Skip a label heading THEN block.
4358 2000-05-15 Richard Henderson <rth@cygnus.com>
4360 * varasm.c (output_constant_pool): Abort instead of converting
4361 (improperly) deleted labels to zero.
4363 2000-05-16 Neil Booth <NeilB@earthling.net>
4365 * cpplex.c (parse_string2): Update comment.
4366 (cpp_lex_line): No special assertion treatment for '('.
4367 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4368 * cpplib.h (SYNTAX_ASSERT): Remove.
4370 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4372 * jump.c (condjump_p): Mark as depreached.
4373 (any_condump_p): New.
4374 (any_uncondump_p): New.
4376 (safe_to_remove_jump_p): New.
4377 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4378 safe_to_remove_jump_p): Declare.
4380 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4382 * calls.c: Re-install both patches reverted by last patch.
4383 (struct arg_data): New field tail_call_reg.
4384 (initialize_argument_information): Initialize tail_call_reg
4385 (load_register_parameters): New argument flags, use
4386 tail_call_reg when emiting tail call sequence.
4387 (expand_call): Update call of load_register_parameters;
4388 copy unadjusted_args_size to adjusted_args_size.
4390 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4392 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4393 and bct_p parameters to flags.
4394 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4395 * rtl.h (loop_optimize): Update prototype.
4396 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4398 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4400 * calls.c (expand_call): Move expand_start_target_temps call after
4403 2000-05-15 Neil Booth <NeilB@earthling.net>
4405 * cpphash.c (trad_stringify, warn_trad_stringify,
4406 collect_params): Make some pointers pointers to const.
4407 * cpplex.c (auto_expand_name_space) Guaranteed to always
4408 expand by at least one character.
4409 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4410 (struct token_spelling): Use const U_CHAR * rather than PTR.
4411 (expand_name_space): Fix up token pointers if name space
4412 is moved when expanding.
4413 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4414 parse_string2, save_comment, spell_token, cpp_output_list):
4415 Update so the routines handle tokens with a direct pointer to
4416 their text, rather than an offset into the token's list's namebuf.
4417 (_cpp_lex_line): Rearrange for clarity.
4419 * cpplib.c (_cpp_check_directive): Similarly.
4420 (do_define): Make SYM a pointer to const.
4421 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4422 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4423 (TOK_OFFSET): Delete.
4426 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4428 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4431 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4433 (logical_u_operand): Delete.
4434 (non_logical_cint_operand): Rewrite to take MODE into account.
4435 (non_logical_u_cint_operand): Delete.
4436 (boolean_operator): New function.
4437 (print_operand): Add new %q operand.
4438 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4439 remove logical_u_operand and non_logical_u_cint_operand,
4440 update logical_operand and non_logical_cint_operand.
4441 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4442 logical operations to use %q.
4444 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4445 (movdi): Make similar to movsi.
4446 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4447 is no such thing as a DImode CONST_DOUBLE.
4448 * config/rs6000/rs6000.c (output_toc): Likewise.
4450 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4451 codes when old mnemonics are in use. Print register names
4452 for cc registers when requested.
4454 * optabs.c (expand_float): Don't allow mode widening that causes
4457 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4458 flags to their current names -maix64 and -maix32.
4460 2000-05-14 Bruce Korb <bkorb@gnu.org>
4462 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4463 and/or after current text of file
4464 * fixinc/fixlib.c(must_malloc):
4465 * fixinc/fixlib.h(must_malloc): + reformatting
4466 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4467 with usages of ``c_fix = wrap;''
4468 Add several tests and use the ``c_fix = format'' fixer more.
4469 * fixinc/fixincl.x: regen
4470 * fixinc/check.diff: regen
4471 * fixinc/check.tpl: emit the associated header with the missing
4474 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4476 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4477 variables $src and $dst.
4479 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4481 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4482 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4483 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4484 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4486 (set_message_prefixing_rule): Declare.
4488 * diagnostic.c: (current_prefixing_rule): New variable.
4489 (set_message_prefixing_rule): Define.
4490 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4491 (init_output_buffer): Adjust Initialization.
4492 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4494 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4496 * ifcvt.c (if_convert): Do not free NULL.
4498 2000-05-12 Nick Clifton <nickc@cygnus.com>
4500 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4501 to move a double word value.
4502 (di_operand): New function: Return true if the operand is suitbale
4503 for a double word move operation.
4504 (nonimmediate_di_operand): New function: Return true if the
4505 operand is a DImode register or MEM.
4507 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4508 nonimmediate_di_operand.
4510 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4511 nonimmediate_di_operand.
4513 * config/fr30/fr30.md (movdi): New pattern. Required because
4514 other patterns generate DImode results.
4515 (movdi_insn): New pattern.
4517 2000-05-12 Richard Henderson <rth@cygnus.com>
4519 * config/alpha/alpha.c (struct shadow_summary): Define
4520 bitfields as type unsigned int.
4522 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4524 * config/avr/t-avr: Added definition of FLOAT while generates
4527 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4528 peepholes for tst+jump = sbrs/sbrc optimization.
4530 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4532 * expr.c (emit_push_insn): Do not adjust stack pointer when
4535 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4537 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4538 * system.h (offsetof): ... to here.
4540 2000-05-12 Richard Henderson <rth@cygnus.com>
4542 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4543 * final.c (final_end_function): Use app_disable. Rearrange note
4544 handling into a switch. Emit deleted labels.
4545 (output_asm_label): Generate label strings for deleted labels.
4546 * flow.c (tail_recursion_label_list): New.
4547 (find_basic_blocks_1): Set label_value_list directly. Collect list
4548 of tail recursion labels from call_placeholders. Don't add deleted
4549 labels to the label value list.
4550 (cleanup_cfg): Use free_EXPR_LIST_list.
4551 (flow_delete_insn_chain): Turn non-removable labels into notes.
4552 (flow_delete_block): Don't disable deleting the block because of
4553 a non-removable label.
4554 (tail_recursion_label_p): New.
4555 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
4557 (merge_blocks_move_successor_nojumps): Likewise. Also move a
4559 (merge_blocks): Disable a merge because of tail recursion labels.
4560 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
4561 Use a more accurate measure of not merging the join block.
4562 (find_if_block): Don't disable conversion because of a label.
4563 (find_if_case_1, find_if_case_2): Likewise.
4564 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
4565 element when copying.
4566 (squeeze_notes): Also leave EH notes.
4567 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
4569 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
4571 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
4572 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
4573 referring to a deleted label. Convert tail handling to a switch.
4574 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
4575 for NOTE_INSN_DELETED_LABEL.
4576 (NOTE): Fix commentary.
4577 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
4578 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
4579 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
4580 (LABEL_NUSES, LABEL_REFS): Likewise.
4581 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
4583 2000-05-12 Bruce Korb <bkorb@gnu.org>
4585 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
4586 * fixinc/check.diff: updated
4587 * fixinc/inclhack.def: corrected & added some test_text-s
4588 * fixinc/genfixes: removed unneeded options to autogen invocation
4589 * fixinc/fixincl.tpl: Specified the output file
4590 * fixinc/fixfixes.c: visual appearance
4591 * fixinc/fixincl.x: regenerate
4593 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
4595 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
4596 CTRL_defn_fix): Delete.
4597 (fix_char_macro_defines, fix_char_macro_uses): Rename to
4598 char_macro_def_fix and char_macro_use_fix, respectively. Put
4599 them into the FIXUP_TABLE. Get the string to search for from
4602 (format_write): New function.
4603 (format_fix): Use it.
4605 (FIX_PROC_HEAD): Constify text parameter.
4606 (machine_name_fix): Constify all char *s.
4607 * fixtests.c (skip_quote): Remove double static.
4609 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
4610 ctrl_use_quotes): Update for new scheme.
4611 * fixincl.x: Regenerate.
4613 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
4615 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
4617 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
4618 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4620 2000-05-11 Robert Lipe <robertlipe@usa.net>
4622 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
4623 * fixincl.x: Regenerate.
4625 2000-05-11 Richard Henderson <rth@cygnus.com>
4627 * calls.c: Revert both 05-09 patches.
4629 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
4631 * config/mn10300/mn10300.c (print_operand): Print FP constants in
4633 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
4636 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
4637 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
4639 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
4641 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
4643 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4645 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
4647 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
4649 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
4650 * config/avr/avr.c (jump_over_one_insn_p): New function.
4651 * config/avr/avr.md: New peepholes added. Output test and
4652 conditional jump to "sbrc" or "sbrs" command.
4654 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
4656 * cppmain.c (main): Use IS_DIR_SEPARATOR.
4658 2000-05-11 Jakub Jelinek <jakub@redhat.com>
4660 * except.c (find_exception_handler_labels_1): New function.
4661 (find_exception_handler_labels): Split into two functions, dive
4662 into CALL_PLACEHOLDERs when looking for exception handler labels.
4664 2000-05-11 Stan Cox <scox@cygnus.com>
4666 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
4667 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
4668 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
4670 2000-05-11 Bruce Korb <bkorb@gnu.org>
4672 * fixinc/fixfixes.c (double_slash_fix): obsolete
4673 (else_endif_label_fix): obsolete
4674 (format_fix): new, unused as yet
4676 * fixinc/fixlib.h: added fix description struct for use by format_fix
4677 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
4678 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
4679 modules. Removed the vestiges of the script version.
4680 Added support for "make check".
4681 * fixinc/check.diff: base diff file (needs work!!)
4682 * fixinc/check.tpl: quiet the fixup output
4683 * fixinc/fixtests.c (main): obsolete
4684 * fixinc/fixincl.sh: don't bother copying fixincl to ..
4685 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
4687 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
4689 * toplev.c (rest_of_compilation): Remove dead code after
4692 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4694 * cpphash.c (collect_funlike_expansion): Make "# is not
4695 followed by a macro argument name" a pedwarn, not an error.
4696 Preserve the # in the output. Suppress the warning if lang_asm.
4698 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
4700 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
4701 * configure: Rebuilt.
4703 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
4705 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
4707 2000-05-10 Kazu Hirata <kazu@hxi.com>
4709 * combine.c (try_combine): Fix a typo.
4711 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
4713 * config/ia64/ia64.md (insv): Add comment.
4715 2000-05-10 Richard Henderson <rth@cygnus.com>
4717 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
4718 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
4719 dependancies on FPBIT and DPBIT.
4721 2000-05-10 Nick Clifton <nickc@redhat.com>
4723 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
4724 when optimising for size.
4725 (mark_used_regs:) Ditto.
4726 (try_pre_increment_1): Ditto.
4728 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
4730 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
4731 Make error message friendlier.
4733 * cpphash.h (struct hashnode): Use struct hack for name
4735 * cpphash.c (struct hashdummy): New.
4736 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
4737 (make_HASHNODE): No need to set ->name pointer. Correct
4739 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
4741 2000-05-10 Richard Henderson <rth@cygnus.com>
4743 * flow.c (find_basic_blocks_1): Remove any spare bb_note
4746 2000-05-10 Bruce Korb <bkorb@gnu.org>
4748 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
4750 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
4752 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
4753 after we enter .debug.
4755 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
4757 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
4758 abstract instance of a nested inline function.
4760 * stor-layout.c (finish_record_layout): finalize_type_size
4761 before laying out the pending_statics.
4763 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
4765 * cpplex.c (spell_token): New function.
4766 (spell_string, spell_comment, spell_name): fold into
4769 (E, H): Remove macros.
4770 (save_comment): Save comment opening characters too.
4771 (_cpp_lex_file): Update to use spell_token. Tidy up comment
4773 * cpplib.h (I, S): Add macros.
4774 (E, H): Remove macros.
4775 (TTYPE_TABLE): Update entries for new speller.
4776 (SYNTAX_ASSERT): Remove.
4778 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
4780 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
4781 when removing escaped newlines. Reverse sense of test for
4784 2000-05-09 Richard Henderson <rth@cygnus.com>
4786 * flow.c (find_basic_blocks_1): Do not delete the first
4787 bb_note we run across.
4788 (create_basic_block): Use reorder_insns to move an existing
4789 bb_note to the correct place.
4791 2000-05-09 Richard Henderson <rth@cygnus.com>
4793 * calls.c (expand_call): Increment currently_expanding_call
4794 before calling optimize_tail_recursion.
4796 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4798 * reload1.c (reload_combine): Fix errors in last change.
4800 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
4802 * gcc.c (used_arg): Skip over a semicolon at the end of the
4803 split-up loop; don't break out of it.
4805 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
4806 (tree.o): Depend on output.h.
4808 * c-decl.c (pending_invalid_xref_file,
4809 current_function_prototype_file): Constify.
4810 (pushdecl): Constify a local char *.
4811 (define_label): Constify filename parameter.
4812 * c-lex.c (init_parse): Constify parameter and return value.
4813 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
4814 * c-tree.h: Update prototypes.
4815 * c-parse.in: Constify filename member of %union, and if_stmt_file.
4816 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
4817 objc/objc-parse.c: Regenerate.
4819 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
4820 * dwarfout.h: Update prototypes.
4821 * expr.c (expand_expr): Constify a local char *.
4822 * flags.h: Constify main_input_filename.
4823 * function.c (expand_function_end): Constify filename parameter.
4824 * genrecog.c (make_insn_sequence): Use a character array for
4826 (main): Remove unused variables.
4827 * input.h: Constify input_filename, main_input_filename, and
4828 file_stack.name. Update prototypes.
4829 * output.h: Declare first_global_object_name and
4830 weak_global_object_name here, as const char *.
4831 * stmt.c (expand_asm_operands): Constify filename parameter.
4832 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
4833 Constify filename parameter.
4834 (input_filename, main_input_filename): Constify.
4835 * toplev.h: Update prototypes.
4836 * tree.c: Include output.h. Don't declare
4837 first_global_object_name or weak_global_object_name. Clean up string
4838 bashing in get_file_function_name_long.
4839 * tree.h (struct tree_decl): Constify filename member.
4840 (input_filename): Constify.
4842 * varasm.c (first_global_object_name, weak_global_object_name):
4844 (assemble_start_function, assemble_variable): Clean up string bashing.
4846 * gcc.c: Constify all spec-related strings initialized,
4847 transitively, from string constants. Constify all strings
4848 and string variables related to multilibs.
4849 (set_spec, read_specs): Cast argument to free to PTR.
4850 (used_arg): Do not modify multilib_matches. Use strncmp plus
4851 length comparison to compare multilib switches.
4852 * genmultilib: Constify everything declared in multilib.h.
4854 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
4856 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
4859 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
4861 * config/avr/avr-protos.h (extra_constraint): change a type of
4862 second argument from char to int to avoid warnings.
4863 (asm_output_byte): Likewise.
4865 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
4866 (initial_elimination_offset): Handle elimination from
4867 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
4868 (legitimate_address_p): Use MAX_LD_OFFSET.
4869 (legitimize_address): Likewise.
4870 (out_movqi_r_mr): Likewise.
4871 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
4872 (out_movsi_r_mr): Use MAX_LD_OFFSET.
4873 (out_movsi_mr_r): Likewise.
4874 (out_movqi_mr_r): Likewise.
4875 (out_movhi_mr_r): Likewise.
4876 (notice_update_cc): Correct CC for the ashrqi3 with the shift
4877 count as CONST_INT != 6.
4878 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
4879 shift count is a CONSTANT_P, but not a CONST_INT.
4880 (ashlhi3_out): Coding style modifications.
4881 (ashlsi3_out): Likewise.
4882 (ashrhi3_out): Likewise.
4883 (ashrsi3_out): Likewise.
4884 (lshrhi3_out): Likewise.
4885 (lshrsi3_out): Likewise.
4886 (ashrqi3_out): Generate shift for any known constant count without
4887 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
4888 but not a CONST_INT.
4889 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
4890 shift count is a CONSTANT_P, but not a CONST_INT.
4891 (extra_constraint): change a type of
4892 second argument from char to int to avoid warnings.
4893 (asm_output_byte): Likewise.
4894 (asm_file_end): Output size generated commands count as a hex
4897 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
4899 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
4901 (ashlqi3): Values of "length" attribute changed. Shift count
4902 uses constraints 'n' instead of 'i'.
4903 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
4904 shifts without clobber register.
4905 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
4906 (call_insn): Correct test for which_alternative == 1 (was 0).
4907 (call_value_insn): Likewise.
4909 * config/avr/t-avr: Remove definition of FLOAT while generates
4912 2000-05-09 Bruce Korb <bkorb@gnu.org>
4914 * fixinc/check.tpl: Template for checking fixes
4915 * fixinc/inclhack.def: Added 'test_text' for many fixes
4916 disable hpux8_bogus_inlines on SCO
4917 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
4919 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4921 * calls.c (expand_call): Reorganize somewhat in order
4922 to avoid unnecesary recalculation inside loop and make
4923 tail call failure code cleaner.
4925 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4927 * alias.c (nonlocal_reference_p): Minor reformatting.
4928 * reload.c (find_equiv_reg): Simplify logic for
4929 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
4930 some some reformatting.
4931 * reload1.c (reload_combine): Don't assume everything in
4932 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
4934 2000-05-08 Richard Henderson <rth@cygnus.com>
4936 * final.c (current_insn_predicate): New.
4937 (final_scan_insn): Set it.
4938 * output.h (current_insn_predicate): Declare.
4940 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
4941 Attach it to call insns.
4942 (cond_exec_process_if_block): Track probability for true and
4944 (dead_or_predicable): Likewise.
4946 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
4947 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
4948 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
4949 (estimate_probability, expected_value_to_br_prob): Use them.
4951 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
4952 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
4953 (ia64_expand_prediction): New.
4954 (emit_insn_group_barriers): Don't look at notes. Emit barriers
4955 as needed after calls.
4956 (ia64_epilogue_uses): Mark b0 used.
4957 * config/ia64/ia64.md (beq_true, beq_false): Remove.
4958 (bne_true, bne_false): Remove.
4959 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
4960 (br_true, br_false): New. Use predicate_operator and
4961 ia64_expand_prediction.
4962 (return_true, return_false): Likewise.
4963 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
4964 (call_internal1, call_value_internal): Likewise.
4965 (call_value_internal1, call_multiple_values_internal1): Likewise.
4967 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
4969 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
4971 2000-05-08 Richard Henderson <rth@cygnus.com>
4973 * rtlanal.c (may_trap_p): Consider old-style and volatile
4976 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
4978 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
4980 2000-05-08 Richard Henderson <rth@cygnus.com>
4982 * config/ia64/ia64.h (predicate_operator): Declare.
4984 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
4987 * gensupport.c (process_rtx): Copy and post-process each member
4988 of the define_insn rtvec individually.
4990 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
4992 * cpplex.c (spell_token): New function.
4993 (TOKEN_LEN): Add 1 for whitespace.
4994 (_cpp_lex_file): Update to use spell_token.
4995 * cpplib.h (E): Remove.
4996 (TTYPE_TABLE): Update CPP_VSPACE entry.
4998 2000-05-08 Richard Henderson <rth@cygnus.com>
5000 * flow.c (init_propagate_block_info): Watch out for conditional
5001 branch to next instruction, and thus one outgoing edge.
5003 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5004 for global register variables; don't special case __[CD]TOR_LIST__;
5005 mind ggc_p for string allocation.
5007 2000-05-08 Nick Clifton <nickc@cygnus.com>
5009 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5011 2000-05-08 Bruce Korb <bkorb@gnu.org>
5013 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5014 i?86-*-msdosdjgpp* no longer uses fixincludes
5015 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5016 * fixinc/inclhack.sh: deleted
5017 * fixinc/hackshell.tpl: deleted
5018 * fixinc/inclhack.tpl: deleted
5019 * fixinc/Makefile.in: Remove dependencies on above
5020 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5022 2000-05-08 Andreas Jaeger <aj@suse.de>
5024 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5027 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5029 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5032 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5034 * cpplex.c: Move new lexer definitions and prototypes
5035 to top. Conditional include these and the code if
5036 NEW_LEXER is defined. Rename functions whose names
5037 clash if this code included.
5039 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5041 * rtl.def (COND_EXEC): Clarify.
5043 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5044 same fashion as zero_extendsidi2.
5046 2000-05-06 Richard Henderson <rth@cygnus.com>
5048 * config/ia64/ia64.c (predicate_operator): New.
5049 (ia64_print_operand): Handle 'J'.
5050 (rtx_needs_barrier): Handle COND_EXEC.
5051 * config/ia64/ia64.h (BRANCH_COST): Define.
5052 (PREDICATE_CODES): Update.
5053 * config/ia64/ia64.md: Docuement used unspec values.
5054 (attr predicable): New.
5055 (movxf, movxf_internal): New.
5056 (extendsfdf2): Don't comment out nop.
5057 (floatdidf2): Remove.
5058 (truncxfsf2, truncxfdf2, floatdixf2): New.
5059 (abssi2, absdi2): Put the neg in the "true" slot.
5060 (conditional branch instructions): Mark not predicable.
5061 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5062 (abs*_internal): Likewise.
5063 (alloc, set_bsp): Mark not predicable.
5064 (barrier, insn_group_barrier, flush_cache): Likewise.
5065 (define_cond_exec): New.
5067 2000-05-06 Richard Henderson <rth@cygnus.com>
5069 * c-decl.c: Include "tm_p.h".
5071 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5072 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5073 (ia64_expand_op_and_fetch): Declare.
5074 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5075 (setjmp_operand): Constify variables for XSTR.
5076 (ia64_encode_section_info): Likewise.
5077 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5079 (ia64_asm_output_external): Constify name.
5080 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5081 (process_for_unwind_directive): Provide switch default.
5082 (ia64_expand_compare_and_swap): Remove unused variables.
5083 (ia64_expand_builtin): Likewise.
5084 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5087 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5088 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5089 (shift_count_operand, shift_32bit_count_operand): Likewise.
5090 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5091 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5092 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5093 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5094 (ia64_expand_builtin): Likewise.
5095 (call_multiple_values_operation): Make dest_regno unsigned.
5097 2000-05-06 Richard Henderson <rth@cygnus.com>
5099 * rtl.def (DEFINE_COND_EXEC): New.
5100 * md.texi: Document it.
5102 * gensupport.c (input_file): Remove.
5103 (struct queue_elem): Add lineno.
5104 (rtx_ready_queue): Remove.
5106 (predicable_default): New.
5107 (predicable_true, predicable_false): New.
5108 (define_attr_queue, define_attr_tail): New.
5109 (define_insn_queue, define_insn_tail): New.
5110 (define_cond_exec_queue, define_cond_exec_tail): New.
5111 (other_queue, other_tail): New.
5112 (queue_pattern): New.
5113 (process_rtx): Add patterns to the appropriate queues.
5114 (is_predicable, identify_predicable_attribute): New.
5115 (n_alternatives, collect_insn_data): New.
5116 (alter_predicate_for_insn, alter_test_for_insn): New.
5117 (shift_output_template, alter_output_for_insn): New.
5118 (process_one_cond_exec, process_define_cond_exec): New.
5119 (init_md_reader): Read the entire file. Process define_cond_exec.
5120 (read_md_rtx): Return elements from the queues.
5122 2000-05-06 Richard Henderson <rth@cygnus.com>
5124 * flow.c (mark_set_1): Don't update conditional life info
5125 if the register is not_dead.
5127 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5129 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5130 (mostlyclean): Also delete fixincl, fixinc.sh, and
5131 specs.ready, and make clean in the fixinc subdir.
5133 2000-05-06 Richard Henderson <rth@cygnus.com>
5135 * Makefile.in (gensupport.o): Compile for the host.
5136 (host-prefix gensuuprt.o): Remove.
5137 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5138 (genattrtab.o): Likewise.
5139 (gencodes.o): Depend on gensupport.h.
5140 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5141 (genpeep.o, genattr.o, genoutput.o): Likewise.
5143 * gensupport.c (obstack, rtl_obstack): New.
5144 (init_md_reader): Initialize rtl_obstack.
5145 * gensupport.h (rtl_obstack): Declare.
5146 (message_with_line): Declare.
5148 * genattr.c: Remove all traces of obstack manipulation.
5149 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5150 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5152 * genattrtab.c (obstack, rtl_obstack): Remove.
5153 (main): Don't init rtl_obstack.
5154 * genflags.c: Likewise.
5156 * genrecog.c (message_with_line): Move ...
5157 * gensupport.c: ... here.
5159 2000-05-06 Richard Henderson <rth@cygnus.com>
5161 * c-typeck.c (build_c_cast): Remove dead code.
5163 2000-05-06 Richard Henderson <rth@cygnus.com>
5165 * flow.c (split_edge): Don't allocate global_live_at_start for
5166 the new block unless the old blocks had them as well.
5168 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5170 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5171 test_bb if a or b uses x.
5173 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5175 * cpphash.h: Remove conditional #define of __extension__.
5176 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5177 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5178 (ENABLE_RTL_CHECKING only).
5179 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5180 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5181 (ENABLE_TREE_CHECKING only).
5182 * varray.h: Add __extension__ to VARRAY_CHECK macro
5183 (ENABLE_CHECKING only).
5185 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5187 Use new tail-calling mechanism on ARM.
5188 * arm.md (sibcall, sibcall_value): New expands.
5189 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5190 (tailcalling peepholes): Delete.
5191 (push_multi): Simplify.
5192 * arm.c (lr_save_eliminated): Delete definition.
5193 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5194 (output_return_instruction): Remove checks on lr_save_eliminated.
5195 (output_arm_prologue): Remove old tail-calling code.
5196 (arm_output_epilogue): New parameter, really_return. All callers
5197 changed. Handle tail-calling epilogues.
5198 * arm.h (lr_save_eliminated): Delete declaration.
5199 (frame_pointer_needed): Delete declaration.
5200 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5202 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5204 * arm.c (thumb_code): Define it.
5205 (arm_override_options): Set it.
5206 * arm.h (thumb_code): Declare it.
5208 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5210 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5212 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5214 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5215 bogus clobber to insns.
5216 (load_multiple_operation, store_mulitple_operation): Don't check
5218 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5220 * arm.md (and_scc, ior_scc): Add missing mode.
5222 * arm.md (call_value_symbol): Remove predicate from op2.
5224 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5226 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5228 * expr.c (get_subtarget): New function.
5229 (force_operand, expand_expr, do_store_flag): Use it.
5231 * toplev.c (compile_file): Don't take strlen of NAME if null.
5233 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5235 * xcoffout.c (xcoff_current_include_file,
5236 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5237 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5239 (xcoffout_declare_function): Make name 'const char *'.
5240 (xcoffout_end_epilogue): Make fname 'const char *'
5241 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5242 xcoffout_declare_function, xcoffout_source_line): Match above.
5244 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5246 * rs6000.c (print_operand): Fix lossage typo.
5247 (output_cbranch): Remove "cr" decoration for now.
5248 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5250 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5252 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5255 2000-05-05 Bruce Korb <bkorb@gnu.org>
5257 * fixinc/genfixes: Improve the matching for make target names
5259 2000-05-05 Catherine Moore <clm@cygnus.com>
5261 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5262 attribute to the decl.
5263 * c-decl.c (pushdecl): Propagate the USED attribute to the
5266 2000-05-05 Richard Henderson <rth@cygnus.com>
5268 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5269 same way emit_group_load does.
5271 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5273 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5275 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5278 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5280 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5282 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5284 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5285 to support -shared, on platforms with dynamic libraries.
5287 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5289 * system.h (S_ISBLK): Provide fallback definition.
5291 2000-05-05 Geoff Berry <geoffb@bops.com>
5293 * extend.texi (Extended Asm): Document inability to give asm
5294 statements access to condition codes.
5296 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5298 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5299 as arg 2 of UNIQUE_SECTION.
5301 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5303 * predict.c: Remove May 4 change.
5304 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5305 if we have predicted the branch at 50-50 probability.
5307 2000-05-05 Richard Henderson <rth@cygnus.com>
5309 * flow.c (init_propagate_block_info): Fix merge error
5310 in HAVE_conditional_execution code.
5312 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5314 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5315 shift cycle for unknown shift count. Also generates dec + brpl.
5316 (ashlqi3_out): Don't generate dec + brpl which now generates by
5317 `out_shift_with_cnt'.
5318 (ashlhi3_out): Likewise.
5319 (ashlsi3_out): Likewise.
5320 (ashrqi3_out): Likewise.
5321 (ashrhi3_out): Likewise.
5322 (ashrsi3_out): Likewise.
5323 (lshrqi3_out): Likewise.
5324 (lshrhi3_out): Likewise.
5325 (lshrsi3_out): Likewise.
5327 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5329 * gcc.c (free_split_directories): Correct typo in explanation
5330 of make_relative_prefix.
5332 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5334 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5335 comparison codes to branch_comparison_operator.
5337 2000-05-04 Richard Henderson <rth@cygnus.com>
5339 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5341 2000-05-04 Richard Henderson <rth@cygnus.com>
5343 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5344 (DPBIT_FUNCS): Remove _sf_to_usi.
5345 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5347 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5348 between condition and jump.
5350 * libgcc2.c (near eh_context_specific): Comment #endif string.
5351 * longlong.h: Don't use strings with embedded newlines.
5353 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5355 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5356 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5357 (print_operand): Delete %t and %T codes.
5358 (output_cbranch): New function. Support branch prediction.
5359 * config/rs6000/rs6000.md: Use output_cbranch for
5360 conditional branches and returns.
5362 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5364 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5365 * stor-layout.c (place_field): Likewise.
5366 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5367 * expr.c (store_expr): Make align unsigned.
5368 * explow.c (plus_constant_wide): Make low words unsigned.
5369 * expmed.c (choose_multiplier): Likewise.
5370 * fold-const.c (fold): Likewise.
5371 * tree.h (build_int_2): Likewise.
5372 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5373 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5374 (init_emit): Change cast to unsigned char*.
5375 * varasm.c (compare_constant_1): Add cast to char*.
5376 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5377 * reload1.c (reload): Likewise.
5379 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5381 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5383 * predict.c (estimate_probability): If no prediction was found, then
5384 predict the successor that is the next physical block (if such a
5387 2000-05-04 Richard Henderson <rth@cygnus.com>
5389 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5391 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5393 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5395 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5397 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5398 attribute macros from here ...
5399 (CPP_SPEC): to here.
5400 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5401 (CPP_SPEC): Likewise.
5402 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5404 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5405 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5407 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5409 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5411 * diagnostic (vbuild_message_string, build_message_string,
5412 build_location_prefix, output_get_prefix, init_output_buffer,
5413 output_notice, vline_wrapper_message_with_location,
5414 v_message_with_decl, default_print_error_function): De-constify.
5415 (set_real_maximum_length): Prototype.
5417 * diagnostic.h (struct output_buffer, init_output_buffer,
5418 output_get_prefix, output_set_prefix): De-constify.
5420 * function.c (init_function_start): Constify.
5422 * gensupport.c (remove_constraints, process_rtx): Prototype.
5424 * gthr-posix.h: Indent uses of #pragma.
5426 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5429 * predict.c (find_expected_value): Delete prototype.
5430 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5432 * sbitmap.h (debug_sbitmap): Prototype.
5434 * ssa.c (compute_coalesced_reg_partition): Prototype.
5436 * stor-layout.c (debug_rli): Prototype.
5438 * tree.h (round_down): Prototype.
5439 (init_function_start): Constify.
5441 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5443 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5444 (overly conservative). Change extern inline wrappers to
5445 static inline, define them always, use PARAMS properly.
5446 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5447 whitespace warnings for \f and \v at the beginning of a line.
5449 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5451 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5454 2000-05-04 Bruce Korb <bkorb@gnu.org>
5456 * fixincl/inclhack.def: added broken_cabs -
5457 Remove `extern double cabs' declarations from math.h
5458 * fixincl/inclhack.sh: regen
5459 * fixincl/fixincl.x: regen
5460 * fixincl/fixincl.c: Remove BOGOSITY code
5461 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5463 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5465 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5467 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5468 when calling MEM_COPY_ATTRIBUTES.
5469 * emit-rtl.c (operand_subword, change_address): Likewise.
5470 * explow.c (stabilize): Likewise.
5471 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5472 * integrate.c (copy_rtx_and_substitute): Likewise.
5473 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5474 when calling MEM_COPY_ATTRIBUTES.
5475 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5477 * cse.c (gen_lowpart_if_possible): Likewise.
5478 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5479 * optabs.c (gen_move_insn): Likewise.
5480 * recog.c (validate_replace_rtx_1): Likewise.
5481 * simplify-rtx.c (add_mem_for_addr): Likewise.
5482 * stmt.c (expand_anon_union_decl): Likewise.
5483 * config/arm/arm.md: Likewise.
5484 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5485 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5486 (block_move_no_loop, block_move_sequence): Likewise.
5487 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5488 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5489 Clear MEM_ALIAS_SET.
5490 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5491 MEM_COPY_ATTRIBUTES.
5493 2000-05-03 Robert Lipe <robertlipe@usa.net>
5495 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5496 to suppress libgcc1.
5497 (i[34567]86-*-sco3.2v5*) Likewise.
5498 (i[34567]86-*-sco3.2v4*) Likewise.
5499 (i[34567]86-*-sco) Likewise.
5500 (i[34567]86-*-solaris2) Likewise.
5501 (i[34567]86-*-sysv5*) Likewise.
5502 (i[34567]86-*-sysv4*) Likewise.
5503 (i[34567]86-*-udk*) Likewise.
5504 (i[34567]86-*-sysv*) Likewise.
5506 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5508 * cpphash.h (U): New define, to correct type of string constants.
5509 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5510 routines, to do casts when passing unsigned strings to libc.
5511 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5513 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5514 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5515 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5516 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5517 second argument an U_CHAR *.
5519 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5520 length field, clean up initializer.
5521 (ISTABLE): Add __extension__ to designated-
5522 initializers version.
5523 * cpplex.c (CHARTAB): Likewise.
5525 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5526 case so the file won't be empty.
5528 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5530 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5531 (REORDER_BLOCK_SUCC): Removed.
5532 (enum reorder_skip_type): Removed.
5533 (skip_insns_between_block): Renamed to skip_insns_after_block.
5534 Removed second argument. Removed dead code and cleaned up.
5535 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5536 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5537 second parameter to skip_insns_after_block.
5539 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5541 * tree.c (staticp, case LABEL_DECL): New case.
5543 2000-05-03 Richard Henderson <rth@cygnus.com>
5545 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5547 * mklibgcc1.in: Fix typo last change.
5549 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5551 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
5552 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
5553 (GCC_CFLAGS): Use it.
5554 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
5555 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
5556 objc/Make-lang.in: Use it.
5558 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
5560 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5562 2000-05-03 Richard Henderson <rth@cygnus.com>
5564 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
5565 LIBGCC1 empty with libgcc1.null.
5567 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
5569 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
5572 2000-05-03 Greg McGary <gkm@gnu.org>
5574 * tree.h (tree_common): Add bounded_flag member. Remove
5575 inaccurate comment about number of remaining bits.
5576 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
5577 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
5578 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
5579 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
5580 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
5581 (TYPE_QUAL_BOUNDED): New constant.
5582 (TYPE_QUALS): Handle bounded qualifier.
5583 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
5584 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
5585 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
5586 TYPE_AMBIENT_BOUNDEDNESS): New macros.
5587 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
5588 (tree_type): Add pointer_depth member. Remove
5589 inaccurate comment about number of remaining bits.
5590 (DECL_POINTER_DEPTH): Add macro.
5591 (tree_decl): Add pointer_depth member.
5593 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
5595 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
5596 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
5597 (lshrhi3_out): Likewise.
5598 (ashrsi3_out): bugfix in shift by 8.
5599 (test_hard_reg_class): New function.
5600 * config/avr/avr.md: Bugfix inside conditions in peepholes.
5601 (ashlhi3): removed define_expand of this pattern.
5602 (*ashlhi3_insn): renamed to ashlhi3.
5603 (ashlsi3): removed define_expand of this pattern.
5604 (*ashlsi3_insn): renamed to ashlsi3.
5605 (ashrqi3): removed define_expand of this pattern.
5606 (*ashrqi3_insn): renamed to ashrqi3.
5607 (ashrhi3): removed define_expand of this pattern.
5608 (*ashrhi3_insn): renamed to ashrhi3.
5609 (ashrsi3): removed define_expand of this pattern.
5610 (*ashrsi3_insn): renamed to ashrsi3.
5611 (lshrhi3): removed define_expand of this pattern.
5612 (*lshrhi3_insn): renamed to lshrhi3.
5613 (lshrsi3): removed define_expand of this pattern.
5614 (*lshrsi3_insn): renamed to lshrsi3.
5616 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
5618 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
5619 inclusion of "system.h".
5621 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
5623 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
5626 2000-05-03 David Mosberger <davidm@hpl.hp.com>
5628 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
5629 if -mauto-pic is on.
5630 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
5631 -mconstant-gp is in effect and function-descriptors are being used
5632 to make indirect calls.
5633 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
5634 (MASK_AUTO_PIC): Ditto.
5635 (TARGET_CONST_GP): Ditto.
5636 (TARGET_AUTO_PIC): Ditto.
5637 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
5638 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
5639 -mno-pic is in effect.
5640 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
5641 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
5642 -mauto-pic is in effect.
5643 (gprel64_offset): New pattern.
5644 (load_gprel64): Ditto.
5645 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
5646 -mconstant-gp is in effect, no need to preserve gp around direct
5648 (call_value): Ditto.
5649 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
5650 (FUNCTION_PROFILER): Define.
5651 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
5652 @fptr() directive when -mno-pic or -mauto-pic is in effect.
5653 (ASM_OUTPUT_DESTRUCTOR): Ditto.
5655 2000-05-03 Richard Henderson <rth@cygnus.com>
5657 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
5658 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
5659 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
5660 (mklibgcc, libgcc.mk): New targets.
5661 (libgcc.a): Use libgcc.mk.
5662 (stmp-multilib): Likewise.
5663 (stmp-multilib-sub): Remove.
5664 (mostlyclean): Don't delete libgcc2 temp files.
5665 * configure.in (AC_PROG_CC_C_O): Add.
5666 (NO_MINUS_C_MINUS_O): Substitute it.
5667 (all_outputs): Add mklibgcc.
5668 * mklibgcc.in: New file.
5670 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5672 * cppexp.c (op_t): Make an int.
5674 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
5676 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
5678 * gensupport.c (process_rtx): Fix macros used.
5680 2000-05-03 Richard Henderson <rth@cygnus.com>
5682 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
5683 call-clobbered registers of a call.
5685 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
5687 * gensupport.c: New file.
5688 * gensupport.h: New file.
5689 * Makefile.in (HOST_RTL): Depend on gensupport.
5690 (gensupport.o) New rule.
5691 * genattr.c: Use gensupport for reading .md files.
5692 * genattrtab.c: Ditto.
5693 * gencodes.c: Ditto.
5694 * genconfig.c: Ditto.
5696 * genextract.c: Ditto.
5697 * genflags.c: Ditto.
5698 * genopinit.c: Ditto.
5699 * genoutput.c: Ditto.
5701 * genrecog.c: Ditto.
5702 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
5703 * md.texi (Insn Splitting): Document define_insn_and_split.
5705 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
5707 * flow.c (verify_flow_info): Added two more sanity checks. The
5708 first checks that the blocks are numbered consecutively. The second
5709 checks that n_basic_blocks is actually equal to the number of
5710 basic blocks in the insn chain.
5712 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5714 * cpplib.h: Add accessor macros for token lists.
5715 * cpplib.c, cpphash.c, cpplex.c: Use them.
5717 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5719 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
5720 memory usage if not in a function.
5721 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
5722 return address if static.
5724 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
5726 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
5727 whether address may trap.
5729 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
5731 * bb-reorder (chain_reorder_blocks): Changed code to test for
5732 EDGE_FALLTHRU rather than making erroneous assumption that the
5733 first outgoing edge is the fall-through edge.
5735 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
5737 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
5738 ABI for varargs, across all MIPS. This is incompatible because the
5739 va_list (__builtin_va_list) structure is different, so a compilation
5740 unit passing a va_list and a compilation unit being passed one, should
5741 both be compiled with the same ABI. (The old structure had two
5742 pointers, now it has three.)
5744 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
5746 * bb-reorder.c (struct reorder_block_def): Remove members end,
5747 block_begin, and block_end.
5748 (REORDER_BLOCK_OLD_END): Delete.
5749 (REORDER_BLOCK_BEGIN): Delete.
5750 (REORDER_BLOCK_END): Delete.
5751 (chain_reorder_blocks): Remove dead code.
5753 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
5755 * bb-reorder.c (remove_scope_notes): Check for both types of scope
5756 notes as the end of a basic block before deleting.
5758 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
5760 * final.c (final_start_function): Fix spelling of "necessary".
5762 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
5764 * toplev.c (debug_ignore_block): Return int.
5765 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
5766 * toplev.h, dwarf2out.h: Adjust.
5767 * emit-rtl.c (remove_unnecessary_notes): Test return value.
5769 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
5770 * toplev.c, final.c, rtl.h: Adjust.
5772 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5774 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
5775 * configure.in: Look for makeinfo in the unified tree, then
5776 for a system makeinfo which is sufficiently new.
5777 * Makefile.in: If configure says makeinfo is too old, don't
5778 build or install Info documentation.
5780 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5782 * cpphash.c (collect_params): Fix off-by-one error.
5783 (dump_hash_helper): Dump all four macro nodetypes.
5785 2000-05-02 Jakub Jelinek <jakub@redhat.com>
5787 * cpphash.c (trad_stringify): Adjust p after stringification as
5790 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5792 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
5793 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
5795 * cppfiles.c (file_cleanup): Delete.
5796 * cpphash.c (macro_cleanup): Delete.
5797 (collect_objlike_expansion, collect_funlike_expansion,
5798 macarg, scan_arguments): Remove CPP_POP case.
5800 * cpplex.c (null_cleanup): Delete.
5801 (cpp_pop_buffer): Do the work that was done in the cleanups
5802 here. Call _cpp_unwind_if_stack from here.
5803 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
5804 cpp_scan_buffer): Run until we see CPP_EOF and the top of
5805 stack is the buffer _below_ the one we stacked.
5806 (cpp_get_token): Always pop an exhausted buffer. Return
5807 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
5808 * cpplib.c (skip_if_group): Don't call cpp_get_token to
5809 increment the line number.
5810 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
5812 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
5813 we see CPP_EOF and the top of stack is the buffer _below_ the
5815 * scan-decls.c: Likewise.
5817 2000-05-02 Andrew Haley <aph@cygnus.com>
5819 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
5820 where this function is called for the second time on a decl that
5821 has had its section info changed in such a way as to move it out
5823 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
5825 2000-05-01 Richard Henderson <rth@cygnus.com>
5827 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
5828 the sequence we're moving, not to merge_bb->head.
5830 2000-05-01 Richard Henderson <rth@cygnus.com>
5832 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
5833 reference to alpha/t-linux.
5834 (alpha*-*-linux-gnu*): Likewise.
5835 * configure: Rebuild.
5837 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5839 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
5842 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
5844 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
5846 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
5849 2000-05-01 Richard Henderson <rth@cygnus.com>
5851 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
5852 emit_conditional_move.
5854 2000-05-01 Jakub Jelinek <jakub@redhat.com>
5856 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
5857 as the dynamic linker.
5859 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
5861 * cppfiles.c (open_include_file): Open file in blocking mode.
5862 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
5863 Only exclude block devices and directories.
5865 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
5866 static. Allocate the hashnode and its string in the same
5868 (del_HASHNODE): Don't free h->name.
5869 (_cpp_lookup): If there is no entry for this string, create
5870 one, of type T_VOID.
5871 (_cpp_lookup_slot): Delete.
5872 * cpphash.h: Update prototypes.
5874 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
5876 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
5877 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
5878 node here, just fill in the value field properly. "Delete"
5879 entries by setting the value field to T_VOID. Check for
5880 hp->type == T_VOID, not hp == NULL.
5882 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
5883 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
5886 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
5888 * config/mn10300/mn10300.c (print_operand_address): Do not add
5891 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
5892 adjusted by less than 256 bytes, use ret regardless of having any
5893 callee-saved register to restore.
5895 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
5897 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
5899 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
5901 * config/i386/djgpp.h (INT_ASM_OP): Define.
5902 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
5903 (ASM_WEAKEN_LABEL): Define.
5904 (MASK_BNU210): Define.
5905 (SUBTARGET_SWITCHES): Define.
5906 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
5907 (MAKE_DECL_ONE_ONLY): Define.
5908 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
5910 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
5912 * i386/cygwin.h (INT_ASM_OP): Define.
5914 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
5916 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
5917 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
5919 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
5921 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
5922 __tmp_reg__ and __zero_reg__ initialization.
5924 2000-04-30 Richard Henderson <rth@cygnus.com>
5926 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
5928 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
5929 referenced bewteen the condition and the jump. Don't delete
5930 anything but the jump.
5932 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
5934 * bb-reorder.c (scope_def): New struct.
5935 (scope_forest_info): New struct.
5936 (struct reorder_block_def): New member "scope".
5937 (REORDER_BLOCK_SCOPE): New macro.
5938 (relate_bbs_with_scopes): New function and prototype.
5939 (make_new_scope): Likewise.
5940 (build_scope_forest): Likewise.
5941 (remove_scope_notes): Likewise.
5942 (insert_intra_1): Likewise.
5943 (insert_intra_bb_scope_notes): Likewise.
5944 (insert_inter_bb_scope_notes): Likewise.
5945 (rebuild_scope_notes): Likewise.
5946 (free_scope_forest_1): Likewise.
5947 (free_scope_forest): Likewise.
5948 (dump_scope_forest): Likewise.
5949 (dump_scope_forest_1): Likewise.
5950 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
5951 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
5953 (reorder_basic_blocks): Added calls to build_scope_scope_forest
5954 and remove_scope_notes before reordering is done. Added calls to
5955 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
5956 after reordering is done.
5958 2000-40-30 Bruce Korb <bkorb@gnu.org>
5960 * fixinc/inclhack.def: Added definitions needed by OSR5,
5961 removed two stale entries (defined away with OLD_CPP).
5962 * fixinc/inclhack.sh: regen
5963 * fixinc/fixincl.x: regen
5965 2000-04-30 Richard Henderson <rth@cygnus.com>
5967 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
5968 from the last insn in the sequence.
5970 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
5972 * cpplex.c (cpp_idcmp): New function.
5973 * cpplib.h: Prototype it.
5974 * scan_decls.c (scan_decls): Use it to inspect token names.
5975 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
5976 the file being run through the preprocessor.
5977 (check_macro_names): Provide length of token to cpp_defined.
5979 * Makefile.in: Remove stale warning message.
5981 * cppfiles.c (redundant_include_p): Provide length of token to
5983 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
5984 values are unsigned int.
5985 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
5986 (_cpp_lookup_slot): Do not calculate the hash, either.
5987 * cpphash.h: Update prototypes.
5988 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
5989 Hashes are unsigned int. Calculate hash here, pass by value
5990 to _cpp_lookup_slot.
5992 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
5994 * simplify-rtx.c (check_value_useless): Delete function.
5995 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
5997 (cselib_invalidate_regno): Likewise.
5998 (cselib_invalidate_mem_1): Likewise.
5999 (references_value_p): Recognize useless values by the fact that they
6001 (discard_useless_values): Likewise.
6002 (cselib_record_set): This may turn a useless value
6005 2000-04-30 Richard Henderson <rth@cygnus.com>
6007 * config/d30v: New port.
6009 * configure.in (d30v-*): Set fp format.
6010 * configure: Rebuild.
6012 2000-04-30 Richard Henderson <rth@cygnus.com>
6014 * ifcvt.c: New file.
6015 * Makefile.in (OBJS): Add it.
6016 (ifcvt.o): New target.
6017 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6018 and conditional arithmetic.
6019 (find_insert_position): Remove.
6020 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6021 * toplev.c (DFI_ce, DFI_ce2): New.
6022 (dump_file): Add ce and ce2 dumps.
6023 (rest_of_compilation): Run if_convert a couple o times. Set
6024 cse_not_expected after cse2. Don't set no_new_pseudos until
6025 after sched1 or recompute_reg_usage.
6027 2000-04-30 Richard Henderson <rth@cygnus.com>
6029 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6030 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6032 2000-04-30 Richard Henderson <rth@cygnus.com>
6034 * flow.c (struct reg_cond_life_info): New.
6035 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6036 (init_propagate_block_info): Initialize them.
6037 (free_propagate_block_info): Destruct them.
6038 (mark_set_1): Consider conditional life before killing a register.
6039 (mark_regno_cond_dead): New.
6040 (free_reg_cond_life_info): New.
6041 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6042 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6043 (mark_used_reg): Record conditional life.
6045 * haifa-sched.c (schedule_insns): Disable death counting
6046 sanity check for HAVE_conditional_execution.
6048 2000-04-30 Richard Henderson <rth@cygnus.com>
6050 * Makefile.in (TIMEVAR_H): New.
6051 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6052 (timevar.h): Remove rule.
6054 2000-04-29 Richard Henderson <rth@cygnus.com>
6056 * config/alpha/crtend.asm: Use C comments instead of #.
6057 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6059 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6061 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6063 * cpphash.h (enum node_type: Take out T_MCONST.
6064 (union hashval): Move into struct hashnode.
6065 (struct hashnode): Pack tighter. Remove file, line, col
6067 * cpphash.c: Constify most of the macro-definition structures.
6068 (struct definition): Replace by struct object_defn
6069 and struct funct_defn. Put file, line, column information
6070 here. All users updated to match.
6071 (_cpp_create_definition, _cpp_macroexpand): Remove special
6072 case for #define WORD OTHERWORD.
6073 * cpplib.c (do_undef): Remove T_MCONST case.
6075 * cpphash.h: Move struct reflist, struct definition, and the
6076 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6077 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6078 * cpphash.c (_cpp_free_definition): Free data pointed to by
6079 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6080 (_cpp_create_definition, del_HASHNODE): Just call
6081 _cpp_free_definition to clear out a hashnode.
6082 * cpplib.c (do_pragma_poison): Likewise.
6084 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6086 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6087 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6088 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6089 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6090 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6091 REGNO_AM33_P): Redefine in terms of the new macros.
6092 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6093 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6094 STRUCT_VALUE): Likewise.
6095 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6096 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6098 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6100 * regmove.c (struct record_stack_memrefs_data): New.
6101 (record_stack_memrefs): New function.
6102 (combine_stack_adjustments_for_block): Use it.
6104 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6106 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6107 use special_function_p to detect alloca.
6109 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6111 * gcc.texi: Fixes for makeinfo 4.0 --html.
6113 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6115 * pcp.h: Delete file.
6117 2000-04-28 Kazu Hirata <kazu@hxi.com>
6119 * h8300.c (function_epilogue): Clean up flags when the last insn
6120 in a function is a barrier.
6122 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6124 * configure.in (sparc-hal-solaris2*): protect [] glob from
6126 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6127 rather than hard-coded constants in target_cpu_default2.
6128 * configure: Regenerate.
6130 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6132 * tree.c (get_callee_fndecl): Extract the initial value from
6135 2000-04-28 Richard Henderson <rth@cygnus.com>
6137 * varasm.c (record_constant_1): Record the CODE_LABEL when
6138 taking the address of a LABEL_REF.
6140 2000-04-28 Richard Henderson <rth@cygnus.com>
6141 Jan Hubicka <jh@suse.cz>
6143 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6144 adjustment; don't do the stack adjust.
6145 (expand_call): Call compute_argument_block_size right before
6146 allocating the block; update comment; don't do alignment sanity
6147 checking for sibling call; use args_size instead of
6148 unadjusted_args_size before args_size is adjusted. Use
6149 combine_pending_stack_adjustment_and_call to compute stack adjust
6150 for must_preallocate case.
6152 * expr.c (push_block): Remove shadow `temp' in inner scope.
6154 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6156 * toplev.c (rest_of_compilation): Call
6157 note_deferral_of_defined_inline_function even if the function
6160 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6162 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6164 2000-04-28 Richard Henderson <rth@cygnus.com>
6166 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6168 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6170 * timevar.c (init_timevar): DeANSIfy function definition.
6172 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6174 * Makefile.in (timevar.o): Depend on flags.h.
6175 * timevar.c (unused_stack_instances): New variable.
6176 (timevar_push): Take a timevar_stack_def from
6177 unused_stack_instances if available.
6178 (timevar_pop): Push the popped timevar_stack_def onto
6179 unused_stack_instances.
6180 (TIMEVAR_ENABLE): New macro.
6181 (timevar_def): Make standalone a 1-bit field. Add field used.
6182 (get_time): Rename parameter to now. Return after clearing it if
6184 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6185 (timevar_pop): Likewise.
6186 (timevar_stop): Likewise.
6187 (timevar_push): Likewise. Mark the timing variable as used.
6188 (timevar_start): Likewise.
6189 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6190 timevars that were never used.
6192 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6194 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6195 always TREE_READONLY.
6197 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6199 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6200 for call instruction with mode QImode.
6202 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6204 * Makefile.in (OBJS): Add timevar.o.
6205 (toplev.o): Depend on timevar.h.
6206 (ggc-simple.o): Likewise.
6207 (ggc-page.o): Likewise.
6208 (timevar.o): New rule.
6209 (timevar.h): New rule.
6211 * timevar.h: New file.
6212 * timevar.c: Likewise.
6213 * timevar.def: Likewise.
6215 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6216 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6218 (TIMEVAR): Remove macro.
6219 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6220 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6221 flow_time, combine_time, regmove_time, sched_time,
6222 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6223 sched2_time, dbr_sched_time, reorder_blocks_time,
6224 rename_registers_time, shorten_branch_time, stack_reg_time,
6225 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6227 (compile_file): Don't initialize time variables. Call
6228 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6229 of many calls to print_time.
6230 (rest_of_compilation): Add timing for reload_cse_regs.
6231 (get_run_time): Removed to timevar.c.
6232 (print_time): Likewise.
6233 (get_run_time): Implement using TV_TOTAL time variable.
6234 (print_time): Get total run time from get_run_time.
6235 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6236 computing elapsed time explicitly.
6237 * ggc-simple.c (ggc_collect): Likewise.
6238 (gc_time): Remove declaration.
6240 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6242 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6243 (expand_call): Use it.
6245 2000-04-27 Jan Hubicka <jh@suse.cz>
6247 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6250 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6252 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6255 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6257 * function.c (epilogue_done): Pass whole insn to record_insns.
6259 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6261 * cse.c (CSE_ADDRESS_COST): Remove.
6262 (find_best_addr): Add new parameter "MODE", use address_cost instead
6264 (address_cost): New.
6265 (fold_rtx): Update call of find_best_addr.
6266 * rtl.h (address_cost): Declare.
6267 * loop.c (general_induction_var): Add new parameter "MODE", use
6268 address_cost instead of ADDRESS_COST
6269 (init_loop): Use address_cost instead of ADDRESS_COST.
6270 (check_insn_for_givs): Update call of general_induction_var.
6271 (find_mem_givs): Likewise.
6272 (consec_sets_giv): Likewise.
6273 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6274 * i386.c (ix86_address_cost): New.
6275 * i386-protos.h (ix86_address_cost): Declare.
6277 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6279 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6282 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6284 * expr.c (store_expr): Use clear_storage instead of direct memset
6287 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6289 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6290 ASHIFT, AND and LABEL_REF.
6292 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6294 * invoke.texi (-foptimize-sibling-calls): Fix.
6296 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6298 * loop.c (load_mems) Don't use hard registers for the hoisting.
6300 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6301 calculation; rename const_equiv array in the preconditioning code
6302 from loop_unroll to loop_unroll_precondition
6304 2000-04-27 Richard Henderson <rth@cygnus.com>
6306 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6308 (propagate_one_insn): Clear it. Don't update reg_live here.
6309 (init_propagate_block_info): Update for pbi member changes.
6310 (free_propagate_block_info): Likewise.
6311 (mark_set_1): Know that zero_extract, sign_extract, and
6312 strict_low_part don't kill their argument. Alter hard subregs.
6313 Update new_set for non-CLOBBER sets. Update reg_live.
6314 (find_auto_inc): Update reg_live, not new_dead.
6315 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6316 to determine if the reg in question was set this insn. Only update
6317 reg info with PROP_REG_INFO.
6319 2000-04-26 Richard Henderson <rth@cygnus.com>
6321 * flow.c (allocate_reg_life_data): Set max_regno here ...
6322 (life_analysis): ... not here.
6324 * flow.c (calculate_global_regs_live): Force stack pointer
6327 2000-04-26 Richard Henderson <rth@cygnus.com>
6329 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6330 commit change group changes.
6331 (invert_exp_1): Similarly.
6332 (redirect_exp, invert_exp): Use them.
6333 (redirect_jump_1): New.
6334 (invert_jump_1): New.
6335 (jump_optimize_1): Remove code subsumed by condexec.c.
6336 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6338 2000-04-26 Richard Henderson <rth@cygnus.com>
6340 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6342 * genconfig.c (main): Set all HAVE_foo to 1.
6344 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6346 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6348 * invoke.texi: Document -fssa flag.
6350 2000-04-26 Richard Henderson <rth@cygnus.com>
6352 * flow.c (count_reg_sets_1): Remove.
6353 (count_reg_sets, count_reg_references): Remove.
6354 (recompute_reg_usage): Implement with update_life_info.
6355 Reallocate life data.
6357 2000-04-26 Richard Henderson <rth@cygnus.com>
6359 * flow.c (update_life_info): Consider blocks null to mean the
6361 (calculate_global_regs_live): Likewise.
6362 (life_analysis): Do that instead of collecting all_blocks.
6364 2000-04-26 Richard Henderson <rth@cygnus.com>
6366 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6367 a still-valid conditional jump.
6369 2000-04-26 Richard Henderson <rth@cygnus.com>
6371 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6373 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6374 * flow.c (calculate_loop_depth): Remove.
6375 * output.h (calculate_loop_depth): Don't declare.
6376 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6377 inline; run estimate_probability at the same time.
6379 2000-04-26 Neil Booth <NeilB@earthling.net>
6381 * cpplib.h: "~=" is not a single pp-token.
6382 * cpplex.c: Correct commentary.
6384 2000-04-26 Richard Henderson <rth@cygnus.com>
6386 * flow.c (mark_set_1): New arguments code and flags; update all
6387 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6388 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6389 loop_depth when optimizing for size. Do new_dead update after
6390 emitting REG_UNUSED notes. Merge mark_set_reg code.
6391 (mark_set_reg): Remove.
6392 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6393 arrange to not emit REG_UNUSED notes.
6395 2000-04-26 Richard Henderson <rth@cygnus.com>
6397 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6398 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6400 2000-04-26 Richard Henderson <rth@cygnus.com>
6402 * flow.c (propagate_one_insn): Break out from propagate_block.
6403 (init_propagate_block_info): Likewise.
6404 (free_propagate_block_info): Likewise.
6405 (propagate_block): Use them. Export.
6406 * basic-block.h: Declare them all.
6408 2000-04-26 Richard Henderson <rth@cygnus.com>
6410 * basic-block.h (life_analysis): Declare here ...
6411 * output.h: ... not here.
6412 * flow.c (life_analysis): Remove nregs parameter; replace
6413 remove_dead_code with flags. Remove ssa dead code check.
6414 Only init alias analysis if we'll use it.
6415 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6416 * ssa.c (convert_to_ssa): Likewise.
6417 (convert_from_ssa): Likewise.
6418 * toplev.c (rest_of_compilation): Likewise.
6420 2000-04-26 Richard Henderson <rth@cygnus.com>
6422 * flow.c (flow_delete_block): Rename from delete_block. Export.
6423 * basic-block.h (flow_delete_block): Declare.
6425 2000-04-26 David S. Miller <davem@redhat.com>
6427 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6428 taking a PATTERN of it.
6430 2000-04-26 <NeilB@earthling.net>
6432 * cpplex.c (spell_other, spell_char): Remove.
6434 (token_spelling, trigraph_map): Use unsigned chars.
6435 (_cpp_lex_line): Tidy up the switch statement.
6436 * cpplib.h: Implement spell_char with spell_string.
6439 2000-04-26 <RodneyBrown@pmsc.com>
6441 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6442 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6444 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6446 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6447 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6448 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6449 dwarf2out_return_save, dwarf2out_return_reg,
6450 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6451 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6452 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6454 * dwarf2out.h (dwarf2out_init): Likewise.
6456 * dwarfout.c (filename_entry, primary_filename, last_filename,
6457 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6459 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6460 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6461 dwarf2out_return_reg): Likewise.
6463 2000-04-26 Andreas Jaeger <aj@suse.de>
6465 * extend.texi (Function Attributes): Fix description of pure
6468 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6470 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6471 before calling rest_of_compilation.
6473 2000-04-26 Andreas Jaeger <aj@suse.de>
6475 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6478 2000-04-25 Richard Henderson <rth@cygnus.com>
6480 * cse.c (cse_insn): Emit barrier after unconditional jump.
6482 * calls.c (expand_call): Disable tail call generation once
6483 rtx_equal_function_value_matters is false.
6485 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6488 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6490 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6492 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6494 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6495 is the primary DIE for a member function.
6496 (gen_decl_die): Call set_decl_origin_self here.
6497 * dwarfout.c (output_decl): And here.
6498 * integrate.c (output_inline_function): Not here.
6499 Don't clear DECL_INLINE until after calling rest_of_compilation.
6500 (set_decl_origin_self): No longer static.
6501 * tree.h: Add prototype.
6502 * toplev.c (note_deferral_of_defined_inline_function): Only write
6503 out abstract instance for actual inlines.
6505 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6507 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6508 EXTENDED_REGS only if TARGET_AM33.
6509 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6510 SP_REGS to register allocation and reloading unless absolutely
6512 (movsi3): Remove special-case of adding non-constants to SP.
6514 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6516 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6517 INCLUDES to search and does not provide any of its own. Also it
6518 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6519 parameters. Also it does not call AC_DEFINE.
6520 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6521 AC_DEFINE and provides for automatic entries for autoheader.
6522 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6524 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6525 so we can pass -I flags and include gansidecl.h/system.h in this
6528 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6530 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6532 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6533 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6534 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6536 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6537 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6538 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6539 for these macros. Clean up spacing and linewraps.
6541 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6543 * calls.c (expand_call): Use get_callee_fndecl.
6545 * print-tree.c (print_node): Print the chain of an _EXPR.
6547 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6548 Jim Wilson <wilson@cygnus.com>
6549 Andrew Haley <aph@cygnus.com>
6551 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
6552 and gp save/restore problems.
6553 * config/ia64/crtend.asm: Add IA-64 unwind support.
6554 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
6555 in fr_pad_size calculation.
6556 (save_restore_insns): Move PR save area. Correct uses of
6557 RTX_FRAME_RELATED_P.
6558 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
6559 (ia64_expand_epilogue): Add eh_epilogue support.
6560 (ia64_function_prologue): Emit .prologue directive.
6561 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
6562 (ia64_override_options): Set init_machine_status and
6563 mark_machine_status.
6564 (rtx_needs_barrier): Handle bsp reads and writes.
6565 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
6566 New static variables.
6567 (process_set, process_for_unwind_directive): New functions.
6568 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
6569 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
6570 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
6572 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
6573 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
6574 (struct machine_function): Define.
6575 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6577 2000-04-25 Bruce Korb <bkorb@gnu.org>
6579 * fixinc/Makefile.in: make the removal of old programs more
6581 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
6582 install-bin and install-sh
6584 2000-04-25 Nick Clifton <nickc@cygnus.com>
6586 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
6587 defined, define to return zero.
6588 (function_cannot_inline_p): If a function has any target
6589 specific attributes, then use the macro
6590 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
6591 whether it can be inlined. If it cannot, issue a suitable
6594 * tm.texi: Add a new node 'Inlining' to document the new macro
6595 FUNCTION_ATTRIBUTE_INLINABLE_P.
6597 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
6599 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6602 2000-04-25 Neil Booth <NeilB@earthling.net>
6604 Restore previous patch, plus the following fixes:
6606 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
6607 flags, not CPP_OPEN_PAREN.
6608 * cpplex.c (expand_token_space, init_token_list,
6609 cpp_free_token_list): Put the dummy token at list->tokens[-1].
6610 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
6612 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6614 * config/i386/freebsd.h (INT_ASM_OP): Define.
6616 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
6618 * loop.c (strength_reduce): Fix typo in the last checkin.
6620 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6622 * stor-layout.c (finalize_record_size): Simplify to use existing
6624 (compute_record_mode): No longer static.
6625 * tree.h (compute_record_mode): New declaration.
6627 2000-04-25 Neil Booth <NeilB@earthling.net>
6629 * Revert my patch below until cause of build failures
6632 2000-04-25 Richard Henderson <rth@cygnus.com>
6634 * combine.c (combine_instructions): Add missing argument
6637 * toplev.c (rest_of_compilation): Delay sibcall optimization
6638 until after emit_eh_context.
6640 2000-04-24 Nick Clifton <nickc@redhat.com>
6642 * combine.c (combine_instructions): Do not try to combine a
6643 sequence of insns when the second insn has been replaced by a
6646 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
6648 * gcc.c (load_specs): New static function.
6649 (read_specs): Use it.
6651 * gcc.c (lookup_compiler): Make multiple passes for case
6652 insensitive filesystems.
6654 2000-04-24 Neil Booth <NeilB@earthling.net>
6656 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
6657 * cpphash.h (_cpp_check_directive): new.
6658 * cpplex.c (handle_newline, cpp_free_token_list,
6659 init_trigraph_map, trigraph_ok, trigraph_replace,
6660 backslash_start, skip_block_comment, skip_line_comment,
6661 skip_whitespace, parse_name, parse_number, parse_string,
6662 copy_comment, _cpp_lex_line, spell_char, spell_string,
6663 spell_comment, spell_name, spell_other, _cpp_lex_file,
6664 _cpp_output_list): new.
6665 (expand_name_space): take length argument.
6666 (init_token_list): add comment list initialisation.
6667 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
6668 instead of HSPACE_BEFORE.
6670 * cpplib.c (_cpp_check_directive): new
6671 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
6672 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
6673 (HSPACE_BEFORE): delete.
6674 (TTYPE_TABLE): rearrange.
6675 (struct cpp_toklist): update.
6677 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6679 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
6680 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
6681 argument form of AC_DEFINE.
6683 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
6684 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
6685 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
6686 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
6687 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
6689 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
6691 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6693 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
6694 deduced.h): Use -isystem, not -I, for including system headers.
6696 2000-04-24 Nick Clifton <nickc@cygnus.com>
6698 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
6699 the source register is the frame pointer or arg pointer.
6700 (addsi3_small_int): Disallow if source register is the frame
6701 pointer or arg pointer.
6703 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6705 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
6706 call to AC_MSG_RESULT.
6708 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6710 * invoke.texi: Correct grammatical errors, document
6711 -fno-gnu-keywords as identical to -fno-asm for C++.
6713 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6715 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
6716 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
6717 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
6718 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
6719 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
6721 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
6722 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
6723 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
6724 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
6727 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
6729 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
6730 (pop_alignment): Likewise.
6731 (handle_pragma_token): Likewise.
6733 2000-04-24 Robert Lipe <robertlipe@usa.net>
6735 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
6737 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
6739 * combine.c (try_combine): Update reg_nonzero_bits of
6740 newi2pat before newpat.
6742 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
6744 * loop.c (strength_reduce): Simplify test to INSN_P.
6745 (record_giv): Attempt to simplify the add value, use CONSTANT_P
6746 expressions instead of CONST_INT.
6747 (express_from_1): Likewise.
6749 2000-04-24 Mark Mitchell <mark@codesourcery.com>
6751 * regs.h (reg_n_max): Don't declare.
6752 * flow.c (reg_n_max): Don't define.
6753 * regclass.c (renumber): Don't initialize to zero.
6754 (regno_allocated): Likewise.
6755 (reg_n_max): Define.
6756 (allocate_reg_info): Don't initialize unnecessarily.
6758 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
6760 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
6761 and blockage_p in the newly allocated attribute.
6763 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
6765 * config/mn10300/mn10300.md (addsi): `inc4' on address
6766 registers does not modify cc, but `inc' on an extended
6769 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
6771 * reload.c (find_equiv_reg): Checks all valueno regs
6772 as a reload_reg_p regs.
6774 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6776 * cpphash.c (collect_objlike_expansion): Add sanity check.
6777 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
6778 the buffer is the empty string, return. Mark __DATE__ and
6779 __TIME__ as XCONST nodes, not MCONST.
6780 (_cpp_macroexpand): Avoid pushing an empty buffer.
6781 (funlike_macroexpand): Don't pop token_buffer here.
6783 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
6785 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
6786 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
6787 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
6788 (REGNO_OK_FOR_BASE_P): Define in terms of them.
6789 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
6790 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
6791 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
6793 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6795 * loop.c (simplify_giv_expr): Be more agressive on simplifying
6798 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6800 * cpphash.h (struct definition): Move file, line, col members...
6801 (struct hashnode): ... here. Also add 'disabled' flag.
6802 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
6803 T_IDENTITY. Remove T_DISABLED.
6806 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
6807 (collect_expansion): Split into collect_objlike_expansion and
6808 collect_funlike_expansion.
6809 (_cpp_macroexpand): Split out scan_arguments, stringify, and
6810 funlike_macroexpand.
6811 (_cpp_compare_defs): Rename compare_defs, make static.
6812 (_cpp_make_hashnode): Initialize hp->disabled.
6813 (macro_cleanup): Adjust for new token types. Clear
6815 (_cpp_create_definition): Move code here to determine what
6816 sort of macro it is, and code to check for redefinitions, from
6817 do_define. Implement a few simple cases without creating a
6819 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
6820 Handle the simple cases.
6821 (push_macro_expansion): Set buf->has_escapes and hp->disabled
6824 * cppinit.c (builtin_array): Change MCONST to XCONST
6826 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
6827 fix check for disabled and function-like macros.
6828 * cpplib.c (do_define): Move most logic to
6829 _cpp_create_definition.
6830 (do_undef): Handle new special token types.
6832 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
6834 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
6835 of CONSTANT_P for mult_val; always use validate_change to update insn.
6837 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
6839 * cpphash.c (trad_stringify, add_pat): New functions.
6840 (collect_expansion): Restore support for -traditional syntax.
6841 Use trad_stringify and add_pat.
6842 (_cpp_macroexpand): Restore support for -traditional semantics.
6843 * cpplex.c (_cpp_scan_line): Don't change space_before if we
6844 get a COMMENT token.
6845 (_cpp_lex_token): Provide COMMENT tokens to caller if
6846 traditional and parsing_define_directive.
6847 (skip_comment): Warn about // comments if -Wtraditional.
6848 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
6850 (do_undef): Don't warn about undefining EMPTY nodes.
6852 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6854 * loop.c (strength_reduce): Fix biv removal code.
6856 2000-04-22 Richard Henderson <rth@cygnus.com>
6858 * predict.c (estimate_probability): Examine both sides of
6859 a branch for no exits. Use 90% not 50% for predict taken.
6860 Reorg for one copy of note generation code.
6862 2000-04-22 Richard Henderson <rth@cygnus.com>
6864 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
6866 2000-04-22 Richard Henderson <rth@cygnus.com>
6868 * diagnostic.c (init_output_buffer): Don't initialize format_args.
6869 (output_clear): Likewise.
6870 (output_printf): Use va_copy.
6871 (vline_wrapper_message_with_location): Likewise.
6872 (v_message_with_decl): Likewise.
6873 (line_wrapper_printf): VA_START infor buffer.format_args directly.
6874 * system.h (va_copy): Provide default implementation.
6876 2000-04-22 Richard Henderson <rth@cygnus.com>
6878 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
6879 the collected condition is not a constant.
6881 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
6883 * diagnostic.h: New file.
6885 * Makefile.in (diagnostic.o): Depends on diagnostic.h
6887 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
6888 various function prototypes.
6889 (diagnostic.h): #include.
6890 (struct output_buffer): Move into diagnostic.h.
6891 (get_output_prefix): Rename to output_get_prefix. Export.
6892 (init_output_buffer): Export. Break out. Ajust intialization.
6893 (output_space_left, output_append): Export.
6894 (output_newline): Rename to output_add_newline. Export.
6895 (output_clear): Nullify additional output_buffer fields.
6896 (output_puts): Rename to output_add_string. Export.
6897 (dump_output): Rename to output_flush_on. Export.
6898 (build_location_prefix): Constify return-type.
6899 (emit_output_prefix): Rename to output_emit_prefix. Export.
6900 (set_real_maximum_length): New function.
6901 (output_set_maximum_length): Ditto
6902 (output_clear): Ditto.
6903 (output_add_character): Ditto.
6904 (output_add_integer): Ditto.
6905 (output_add_space): Ditto.
6906 (output_format): Ditto.
6907 (output_printf): Adjust buffer initialization.
6908 (vline_wrapper_message_with_location): Ditto.
6909 (v_message_with_decl): Ditto. Adjust call to output_puts
6910 and get_output_prefix.
6911 (default_print_error_function): Adjust buffer intialization.
6913 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6915 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
6918 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
6920 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
6923 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6925 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
6926 accurate data about SP moves.
6928 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
6930 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
6931 aliases to AM33 registers.
6933 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6935 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
6936 to all EXTENDED bitmaps.
6938 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
6940 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
6941 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
6942 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
6944 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
6946 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
6947 the operand is not constant.
6949 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
6951 * reload.c (find_equiv_reg): Checks all valueno and regno regs
6952 as a call-clobbered regs.
6954 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6956 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
6958 * rtl.def: Update comment.
6959 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
6960 * integrate.c (expand_inline_function): Likewise.
6961 * profile.c (branch_prob): Likewise.
6962 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
6963 * print-rtl.c (print_rtx): Likewise.
6964 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
6965 (reemit_notes): Likewise; also use enum insn_note.
6967 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
6968 (place_field): Properly compute know and actual alignment.
6970 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
6973 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
6976 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
6978 * cpphash.c (struct arg, struct arglist): Const-ify strings.
6979 (warn_trad_stringify, duplicate_arg_p): New helper functions.
6980 (collect_expansion): Rewrite to scan over a token list.
6981 Remove -traditional support.
6982 (collect_formal_parameters): Rename to collect_params; rewrite
6983 to scan over a token list.
6984 (_cpp_create_definition): Adjust to scan a token list.
6985 (_cpp_macroexpand): Remove -traditional support.
6986 (_cpp_compare_defs): Whitespace is now canonicalized.
6987 (comp_def_part): Delete function.
6989 * cpphash.h: Update prototypes.
6990 * cpplex.c (init_token_list): Don't set lineno if there is no
6992 (pedantic_whitespace): New function.
6993 (_cpp_scan_line): Mark tokens that had hspace before. Don't
6994 consume a newline. Use pedantic_whitespace.
6995 (_cpp_lex_token): Remove support for -traditional macros.
6996 (_cpp_get_define_token): Delete.
6997 (_cpp_get_directive_token): Do the real work here. Use
6998 pedantic_whitespace.
6999 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7001 * cpplib.c (get_macro_name): Delete.
7002 (do_define): Read the entire line into pfile->directbuf, then
7003 feed the token list to _cpp_create_definition.
7004 * cpplib.h (HSPACE_BEFORE): new define.
7005 (struct cpp_reader): Add a toklist member, "directbuf".
7007 * predict.c (estimate_probability): New heuristic: if a jump
7008 branches around a block with no successors, predict it taken.
7009 Disentangle control flow.
7011 2000-04-20 Richard Henderson <rth@cygnus.com>
7013 * loop.c (emit_iv_add_mult): Revert last change.
7015 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7017 * cpplib.h (enum cpp_ttype): Add token types for all
7018 punctuators. Distinguish pp-numbers from valid C numbers.
7019 Give some tokens better names. Initialize from macro.
7020 (struct cpp_name, cpp_token, cpp_toklist): New data
7023 * cpplex.c (bump_column, expand_name_space,
7024 expand_token_space, init_token_list, cpp_output_list,
7025 _cpp_scan_line): New functions.
7026 (output_line_command): Add third argument, new line number.
7027 * cpphash.h: Update prototypes.
7028 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7031 2000-04-20 Richard Henderson <rth@cygnus.com>
7033 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7035 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7037 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7040 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7042 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7043 REG_EQUAL note explaining the calculated value.
7045 * calls.c (expand_call): Avoid unnecesary precalculation
7046 and outgoing parameters space guarding for sibling calls.
7047 (store_one_arg): Likewise.
7049 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7051 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7052 (rest_of_compilation): Write sibling dump file and account
7053 for time as jump time.
7054 * invoke.texi: Update documentation on dump flags.
7056 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7058 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7060 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7062 * cpphash.c (special_symbol): Represent an empty macro with
7063 "\r \r " not just "\r ".
7064 (_cpp_macroexpand): Correct condition for the foo ( ) special
7066 (unsafe_chars): Handle EOF as second argument.
7067 (push_macro_expansion): Simplify test for removing escape at
7068 end. Do not trim both escapes if there is no text in between.
7070 2000-04-19 Jim Blandy <jimb@redhat.com>
7072 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7073 of PTR_SIZE, when appropriate.
7075 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7077 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7078 (USE_ENUM_BITFIELDS): Fix typo.
7080 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7082 * stor-layout.c (place_field): Set rli->offset_align properly.
7084 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7086 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7087 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7088 PARM_BOUNDARY): Remove unnecessary casts.
7090 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7092 * calls.c (precompute_arguments): Remove must_preallocate and
7094 (expand_call): Update call of precompute_arguments.
7096 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7097 check_insn_for_givs): Break out from ...
7098 (strength_reduce) ... here; use for_every_insn_in_loop to call
7099 check_insn_for_givs.
7100 * loop.h (for_every_insn_in_loop): Declare.
7101 (loop_insn_callback): New type.
7103 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7105 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7108 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7110 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7113 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7115 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7117 * configure.in: Delete --disable-cpplib option and all
7118 references to cpp_main.
7119 * configure: Regenerate.
7120 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7121 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7122 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7123 cpp$(exeext). Add --no-headers to makeinfo command line when
7124 generating INSTALL. Install and uninstall cpp.1 manpage, not
7126 * install.texi: Delete all references to cexp.y/cexp.c.
7127 Delete ancient instructions for compiling GCC on 3b1.
7128 * INSTALL: Regenerate.
7130 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7131 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7132 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7134 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7135 which is no longer tested anywhere.
7137 * cppinit.c (handle_option): Don't run error message through
7140 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7142 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7143 * cpperror.c (hashtab.h): Now include.
7144 * cppexp.c (hashtab.h): Likewise.
7145 * cpplex.c (hashtab.h): Likewise.
7146 * cppfiles.c (hashtab.h): Likewise.
7147 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7148 to htab_find_slot_with_hash.
7149 * cpphash.c (hashtab.h): Now include.
7150 (_cpp_lookup_slot): INSERT is now enum insert_option.
7151 * cpphash.h (_cpp_lookup_slot): Likewise.
7152 * cppinit.c (hashtab.h): Include earlier.
7153 (initialize_builtins): Pass enum to htab_find_slot.
7154 * cpplib.c (hashtab.h): Now include.
7155 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7156 (do_pragma_poison, do_assert): Likewise.
7157 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7158 htab_find_slot_with_hash.
7159 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7160 * tree.c (type_hash_add): Likewise.
7161 (build1): Minor cleanup.
7163 * ggc-common.c: Add missing blanks.
7164 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7165 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7167 * stmt.c (mark_case_node): New function.
7168 (mark_case_nesting): Call it.
7170 * expmed.c (emit_store_flag): If comparing two-word integer
7171 with zero, can optimize NE, EQ, GE, and LT.
7173 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7174 * conflict.c: Minor cleanups.
7175 * optabs.c: Add blank line
7176 * simplify-rtx.c: Minor cleanups.
7178 2000-04-18 Stan Cox <scox@cygnus.com>
7180 * gengenrtl.c (genlegend): Fix misspelling.
7182 2000-04-18 Robert Lipe <robertlipe@usa.net>
7184 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7185 bitfields of the host compiler are not signed quantities.
7186 * config.in: Regenerate.
7187 * configure: Regenerate.
7188 * system.h (USE_ENUM_BITFIELDS): Added.
7189 (ENUM_BITFIELDS): Added.
7190 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7191 (SHORT_ENUM_BUG): Deleted.
7192 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7194 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7195 (CODE_FIELD_BUG): Likewise.
7196 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7198 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7200 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7202 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7205 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7207 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7208 * cpplib.c (do_include, do_import, do_include_next,
7209 read_line_number, detect_if_not_defined): Likewise.
7210 * cpphash.c (collect_expansion): Likewise.
7211 (special_symbol, _cpp_macroexpand): Check return from
7213 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7214 macros. Delete all uses.
7216 * gcc.dg/cpp-mi.c: Add two more test cases.
7217 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7219 2000-04-17 Richard Henderson <rth@cygnus.com>
7221 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7222 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7224 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7226 * function.c (expand_function_start): Use hard_function_value to
7227 compute the RTL to use for DECL_RESULT.
7229 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7231 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7232 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7233 x86_memory_mismatch_stall): New global variables.
7234 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7235 alloved; fix load penalties for Athlon.
7236 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7237 x86_memory_mismatch_stall): Declare.
7238 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7239 TARGET_MEMORY_MISMATCH_STALL): New.
7240 * i386.md (athlon scheduling parameters): Fix latencies according to
7241 Athlon Optimization Manual.
7242 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7244 (fsqrt instruction patterns): Set athlon_decode to direct.
7245 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7246 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7247 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7248 and TARGET_PARTIAL_REGISTER_STALL machines.
7249 (pushdf_nointeger): New pattern.
7250 (pushdf_integer): Rename from pushdf.
7251 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7252 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7254 2000-04-17 Richard Henderson <rth@cygnus.com>
7256 * loop.c (canonicalize_condition): Add WANT_REG argument.
7257 Stop the search if we match it.
7258 * expr.h (canonicalize_condition): Update decl.
7259 * predict.c (expected_value_to_br_prob): Use it. Track last
7260 expected value note.
7261 (find_expected_value): Remove.
7263 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7265 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7267 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7268 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7270 * configure.in: Call AC_FUNC_MMAP_FILE.
7271 * configure: Regenerate.
7272 * config.in: Regenerate.
7274 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7275 * fixinc/fixincl.c: Likewise.
7277 2000-04-17 Richard Henderson <rth@cygnus.com>
7279 * builtins.c (expand_builtin_expect): New.
7280 (expand_builtin): Call it.
7281 * builtins.def (BUILT_IN_EXPECT): New.
7282 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7283 * extend.texi: Document it.
7285 * predict.c (expected_value_to_br_prob): New.
7286 (find_expected_value): New.
7287 * basic-block.h (expected_value_to_br_prob): Declare.
7288 * toplev.c (rest_of_compilation): Invoke it.
7290 * rtl.h (NOTE_EXPECTED_VALUE): New.
7291 (NOTE_INSN_EXPECTED_VALUE): New.
7292 * rtl.c (note_insn_name): Update.
7293 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7294 cases; handle NOTE_INSN_EXPECTED_VALUE.
7296 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7298 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7299 leaf sibcall delay slot if flag_pic.
7300 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7302 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7304 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7306 * fixproto: If fix-header fails, exit with an error.
7308 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7310 * cse.c (struct check_depdendence_data): New.
7311 (check_dependence): New function.
7312 (invalidate): Use check_depdenence.
7314 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7316 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7317 UNITS_PER_WORD is unsigned.
7319 * tree.h (struct tree_common): Remove misleading comment.
7321 2000-04-16 Dave Pitts <dpitts@cozx.com>
7323 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7324 message in quotes. Otherwise, IBM's make program treats the '#' as the
7325 start of a comment and ignores the remainder of the line.
7327 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7329 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7330 * cexp.y (initialize_random_junk): Likewise.
7331 * cppfiles.c (find_include_file): Cast alloca return value.
7332 * cppinit.c (initialize_standard_includes): Likewise.
7333 * cpplib.c (cpp_define, cpp_undef): Likewise.
7334 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7335 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7336 * fold-const.c (CHARMASK): New.
7337 (real_hex_to_f): Use it.
7338 * real.c (CHARMASK): New.
7339 (etoasc, asctoeg): Use it.
7340 (asctoeg): EBCDIC lower case characters preceed upper case.
7342 * i370.c (mvs_add_label): Change spacing for coding conventions.
7343 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7344 outputing case vectors.
7345 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7346 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7347 since vector in in the data CSECT.
7348 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7349 * i370.md (Many patterns): Put the length in the XL directives.
7350 (movdi): Put back STM and MVC in definition.
7351 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7352 pattern using the TCA.
7353 * oe.h (CPP_SPEC): Added to allow trigraphs.
7354 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7355 not support the "long long" type.
7357 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7359 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7361 (mips_reg_mode_ok_for_base_p): Likewise.
7362 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7363 (REG_OK_FOR_INDEX_P): Define unconditionally.
7364 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7365 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7366 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7367 that GET_MODE_SIZE is unsigned.
7368 (mips_reg_mode_ok_for_base_p): Define.
7369 (mips_legitimate_address_p): Likewise. Adjust now
7370 that GET_MODE_SIZE is unsigned.
7371 (block_move_loop): Make the number of bytes unsigned.
7372 (expand_block_move): Likewise.
7373 (function_arg): Make the loop counter unsigned to match the
7376 2000-04-16 Richard Henderson <rth@cygnus.com>
7378 * rtl.h (enum insn_note): New enumeration. Subsume
7379 NOTE_INSN_DELETED and friends.
7380 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7381 * rtl.c (note_insn_name): Tweak string order.
7383 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7385 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7388 * cpplex.c (output_line_command): Remove debugging prints.
7389 (cpp_output_tokens): Don't write out a zero-length buffer or
7390 try to see if it has a newline in it.
7391 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7392 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7393 the end of the loop. Use memmove. Don't read past the end of
7394 the buffer. Remove trailing newlines from error messages.
7396 2004-04-16 Neil Booth <NeilB@earthling.net>
7398 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7399 * cpplib.c: Add new syntax flags to directive table, and
7402 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7404 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7407 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7409 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7410 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7412 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7414 * Makefile.in (ggc-page.o): Now includes toplev.h.
7415 * ggc-page.c (toplev.h): Now included.
7416 (gc_time): Remove declaration.
7417 (ggc_collect): TIME now long.
7418 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7420 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7422 * toplev.c: Make *_time variable long to reduce chance of overflow.
7423 (TIMEVAR): Likewise for `otime'.
7424 (print_time): Arg is now long; compute percentage in FP and round.
7425 * toplev.h (print_time): Arg is long.
7427 * tree.c: Minor whitespace changes.
7429 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7430 * configure: Rebuilt.
7431 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7432 (__fixunsxfDI): Renamed from __fixunsxfdi.
7433 (__fixunsdfDI): Renamed from __fixunsdfdi.
7434 (__fixunssfDI): Renamed from __fixunssfdi.
7435 (__floatdisf): Use proper type in REP_BIT macro.
7436 (__fixunsxfSI): Renamed from __fixunsxfsi.
7437 (__fixunsdfSI): Renamed from __fixunsdfsi.
7438 (__fixunssfSI): Renamed from __fixunssfsi.
7439 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7440 Change location of macros and upper-case some names as above.
7441 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7442 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7444 * varasm.c (assemble_variable): Add cast to remove warning.
7445 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7447 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7448 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7449 region number to -1.
7451 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7453 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7454 call unshare_all_rtl.
7456 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7458 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7460 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7461 Use .s1 not .s0 for all FP instructions.
7463 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7465 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7467 (safe_fwrite, output_line_command): New static functions.
7468 (cpp_expand_to_buffer): Now private to cpplib.
7469 (cpp_scan_buffer): Take a printer.
7471 * cpphash.h: Update prototypes.
7472 * cpplib.h: Update prototypes.
7474 (cpp_buffer): Remove last_nominal_fname.
7475 (cpp_reader): Remove lineno.
7477 * cppmain.c: Use a cpp_printer.
7478 * fix-header.c: No need to inhibit line commands. Call
7479 cpp_start_read with no printer.
7481 * cpperror.c (cpp_notice_from_errno): Provide default name.
7482 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7483 (find_include_file, cpp_read_file): Use make_IHASH.
7484 (file_cleanup): Set control_macro and clear
7485 input_stack_listing_current here.
7486 (_cpp_execute_include): Don't output entering-file marker.
7487 * cpphash.c (special_symbol): Look for the line number in the
7488 buffer, not the reader.
7489 (_cpp_macroexpand): No need to disable line commands.
7490 (_cpp_dump_definition): No need to generate line commands.
7491 (dump_hash_helper): Remove excess newline from output.
7492 * cppinit.c (dump_special_to_buffer): No need to generate line
7494 (cpp_printer_init): New.
7495 (cpp_start_read): Take a printer, and start it up if it's not
7496 NULL. No need to generate line commands.
7497 (cpp_finish): Expect no buffers stacked at all. Take a
7498 printer argument, and flush the output buffer if it's not
7500 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7501 Don't put two hashes at the beginning of an assertion.
7502 (cpp_get_token): Don't increment pfile->lineno or emit line
7503 commands here. Return EOF if there's no buffer when we get
7505 * cpplib.c (do_define, skip_if_group):
7506 No need to disable line commands.
7507 (_cpp_output_line_command): Delete function.
7508 (do_line): Don't emit line commands here, but set things up so
7509 they will be emitted if necessary. Use _cpp_fake_ihash to
7510 make unique nominal_fnames if necessary.
7511 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7512 with 0 for column, not -1.
7513 (_cpp_handle_eof): Don't set the control macro here. Don't
7514 clear input_stack_listing_current here. Don't emit line
7517 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7519 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7520 always, use the default SVR4 start address.
7522 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7523 (LINK_SHLIB_SPEC): Define.
7524 (LINK_START_DEFAULT_SPEC): Define.
7525 (LINK_OS_DEFAULT_SPEC): Define.
7527 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7529 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7530 __do_global_ctors to handle constructors.
7531 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7532 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7533 (STARTFILE_MVME_SPEC): Likewise.
7534 (STARTFILE_SIM_SPEC): Likewise.
7535 (ENDFILE_ADS_SPEC): Use crtend.
7536 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7537 (ENDFILE_MVME_SPEC): Likewise.
7538 (ENDFILE_SIM_SPEC): Likewise.
7539 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7540 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7541 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7542 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7543 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7544 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7545 (CRTSTUFF_T_CFLAGS_S): Define.
7546 * config/rs6000/eabi-ctors.c: Delete.
7548 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7551 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
7555 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
7557 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
7558 plus mask size is smaller or equal to the mode size.
7560 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7562 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
7565 * expr.c (reload.h): Now included.
7566 (emit_block_move): Set volatile_ok when checking for movstr.
7567 (emit_move_1): Check for replacements in addresses in multi-word case.
7568 * Makefile.in (expr.o): Now includes reload.h.
7570 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
7571 Never have a LIBCALL end a basic block.
7572 (find_basic_blocks_1): Likewise.
7573 Reorganize CALL_INSN cases.
7575 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
7577 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7579 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
7580 completers from mov.ret instruction.
7582 2000-04-14 Richard Henderson <rth@cygnus.com>
7584 * fold-const.c (extract_muldiv): Don't distribute and widen
7585 multiply across plus for non-sizetype unsigned types.
7587 2000-04-14 Richard Henderson <rth@cygnus.com>
7589 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
7590 If the original source is dead in the incr insn, it's dead now.
7592 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7594 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
7595 see if DECL_BIT_FIELD needs to still be set.
7597 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
7599 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
7600 print_int_cst_octal with something that's not an INTEGER_CST.
7602 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
7603 and not a SUBREG to a FLOAT rtl.
7605 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
7607 * emit-rtl.c (try_split): Avoid infinite loop if the split
7608 results in a sequence that contains the original insn.
7610 2000-04-13 Andreas Jaeger <aj@suse.de>
7612 * config/mips/mips.c (expand_block_move): Pass alignment
7613 argument to move_by_pieces in bits, not bytes.
7615 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
7616 __pic__ for little endian.
7618 2000-04-13 Andreas Jaeger <aj@suse.de>
7620 * config/i386/i386-protos.h: Add prototype for
7621 uno_comparison_operator.
7623 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7625 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
7626 * calls.c (ECF_PURE): New flag.
7627 (emit_call_1): Handle ECF_PURE calls.
7628 (initialize_argument_information): Unset ECF_PURE flag too.
7629 (precompute_arguments): Precompute for ECF_PURE too.
7630 (expand_call): Handle ECF_PURE calls too.
7631 (emit_library_call_value_1): Rename no_queue argument to fn_type,
7632 accept value of 2 as pure function.
7633 (emit_library_call_value, emit_library_call): Rename no_queue argument
7635 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
7637 * tree.h (DECL_IS_PURE): New macro.
7638 (struct tree_decl): Add pure_flag.
7639 * c-common.c (enum attrs): Add attribute "pure".
7640 (init_attributes): Initialize attribute "pure"
7641 (decl_attributes): Handle attribute "pure".
7642 * extend.texi (Attribute "pure"): Document.
7643 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
7645 (flags_from_decl_or_type): Support attribute "pure".
7647 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
7649 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
7650 the token except for numbers and identifiers.
7652 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
7654 * i386.c (ix86_expand_binary_operator,
7655 ix86_expand_unary_operator): Check no_new_pseudos
7656 instead of reload_in_progress and reload_completed.
7657 (ix86_split_ashldi, ix86_split_ashrdi,
7658 ix86_split_lshrdi): Check no_new_pseudos instead
7659 of reload_completed.
7661 2000-04-12 Jeffrey A Law (law@cygnus.com)
7663 * function.c (purge_addressof): Unshare any shared rtl created by
7664 purge_addressof and its children.
7666 2000-04-12 Mark Mitchell <mark@codesourcery.com>
7668 * function.c (aggregate_value_p): VOID_TYPE nodes are never
7671 2000-04-05 Andreas Jaeger <aj@suse.de>
7673 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
7674 not compiling PIC code, add flags for mabi=64.
7675 (SUBTARGET_CPP_SIZE_SPEC): New.
7676 (SUBTARGET_CPP_SPEC): New.
7677 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
7678 for MIPS/Linux and lots of code needs these defines.
7680 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
7682 * reorg.c (fill_slots_from_thread): Check side_effects_p when
7683 trying the "opposite arithmetic" approach.
7685 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7687 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
7688 (struct sh_args): Add new field force_mem.
7689 (INIT_CUMULATIVE_ARGS): Initialize it.
7690 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
7692 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
7694 * calls.c (expand_call): Do not reverse args in "equal from" field.
7695 (emit_library_call_value_1): Emit_libcall_block for const and pure
7698 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7700 * reload1.c (reload_combine): Don't enable optimization for fixed
7701 registers when encountering a BARRIER.
7703 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
7705 * builtins.c (expand_builtin_memcmp): Do expansion even with
7706 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
7708 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
7709 stack is propertly aligned; add sanity checking for aligned
7711 (expand_library_call_value_1): Add sanity checking for aligned
7714 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
7716 * calls.c (emit_library_call_value_1): Change 3rd arg to
7717 locate_and_pad_parm to disregard the setting of partial.
7719 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7721 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
7723 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
7724 CALL_INSN from the normal case.
7726 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
7728 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7729 New global variables.
7730 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
7732 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7734 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
7735 TARGET_ADD_ESP_8): New macros.
7736 * i386.md: Add peep2s to convert esp adjustments to push and pop
7738 (pushsi_prologue, popsi_epilogue): New patterns.
7740 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7742 * real.c (toe64): Remove stale #endif from the last change.
7744 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
7746 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
7747 * real.c (toe64): Revert previous change.
7749 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7751 * objc/objc-act.c: Include ggc.h.
7752 (objc_tree_index, objc_global_trees): Convert most of the
7753 static tree variables into a static array with previous names
7755 (objc_ellipsis_node): New variable.
7756 (lang_init): Call objc_act_parse_init and c_parse_init.
7757 Create objc_ellipsis_node.
7758 (build_selector_translation_table): Use objc_ellipsis_node instead
7760 (hack_method_prototype): Likewise.
7761 (get_arg_type_list): Likewise.
7762 (start_method_def): Likewise.
7763 (continue_method_def): Likewise.
7764 (gen_method_decl): Likewise.
7765 (ggc_mark_imp_list): New function.
7766 (ggc_mark_hash_table): New function.
7767 (objc_act_parse_init): New function.
7768 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
7769 * c-parse.in (c_parse_init): For objc add roots of objc specific
7770 local tree variables.
7771 * objc/objc-parse.y: Rebuilt.
7772 * objc/objc-parse.c: Rebuilt.
7773 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
7775 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
7777 * cse.c (delete_trivially_dead_insns): Also delete insns
7778 that copy a register to itself where the destination is
7781 2000-04-11 Richard Henderson <rth@cygnus.com>
7783 * flow.c (struct propagate_block_info): Add new_dead, new_live.
7784 (propagate_block): Initialize them. Use them in parallel instead
7785 of one tmp variable, ie revert much of the 0408 and 0407 functional
7786 changes, but keep the structural changes.
7787 (mark_set_regs): Take new_dead from propagate_block_info instead.
7788 (mark_set_1, mark_set_reg): Likewise.
7789 (mark_used_regs): Likewise with new_live.
7790 (mark_used_reg): Likewise. Revert 0408 change.
7792 2000-04-11 Nick Clifton <nickc@cygnus.com>
7794 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
7796 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
7798 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7800 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
7801 const section to output a CONSTRUCTOR based on the same conditions
7804 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
7806 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
7807 * pa/pa-protos.h (output_call): Add additional argument indicating
7808 if the call is a sibling/tail call.
7809 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
7810 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
7811 (function_arg, function_arg_partial_nregs): Likewise
7812 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
7813 (emit_move_sequence): Zero extend certain constants as needed
7815 (compute_zdepdi_operands, output_64bit_and): New functions.
7816 (output_64bit_ior, function_arg): Likewise.
7817 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
7818 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
7819 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
7820 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
7821 (output_bvb): Likewise.
7822 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
7823 (output_call): New argument 'sibcall'. Generate sibcall sequences
7825 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
7826 (ouput_arg_descriptor): Do not emit argument descriptors for
7828 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
7830 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
7831 (FUNCTION_OK_FOR_SIBALL): Define.
7832 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
7833 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
7834 (CPP_SPEC): Use new spec infrastructure.
7835 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
7836 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
7837 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
7838 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
7839 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
7840 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
7841 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
7842 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
7843 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
7844 (FUNCTION_ARG); Call out to C code.
7845 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
7846 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
7847 (MIN_UNITS_PER_WORD): Likewise.
7848 * pa/pa.md (cmpdi): New expander.
7849 (scc patterns, movstrsi): Not available for TARGET_64BIT.
7850 (64bit conditional arithmetic): New patterns.
7851 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
7852 (movsicc): Not available if modes on all the operands to not match.
7853 (movdicc): New expander and associated patterns.
7854 (64bit branches): New patterns.
7855 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
7856 (pre_ldd, post_std): New patterns.
7857 (64bit addil, load low part): New patterns.
7858 (special movsf constant): Not available for TARGET_64BIT.
7859 (movsf, movdf expanders): Force constants into memory.
7860 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
7861 (64bit movdf/movdi patterns): New patterns.
7862 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
7864 (extendqidi2, extendhidi2, extendsidi2): Similarly.
7865 (adddi3 expander): Allow "arith_operand" for second input.
7866 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
7867 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
7868 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
7869 (muldi3): New expander for TARGET_64BIT.
7870 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
7872 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
7873 patterns for TARGET_64BIT.
7874 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
7875 patterns for TARGET_64BIT.
7876 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
7877 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
7878 (sibcall_epilogue): New expander.
7879 (casesi): Tweak for TARGET_64BIT.
7880 (call expanders): Set & use the outgoing argument pointer. Use the
7881 64bit call patterns as needed. Add additional arg to output_call.
7882 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
7883 (sibcall, sibcall_internal_symref): New expanders.
7884 (sibcall_value, sibcall_value_internal_symref
7885 (interspace_jump): Turn into an expander + matching patterns.
7886 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
7887 * pa/pa64-regs.h: Eliminate trigraph sequences.
7888 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
7890 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
7892 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
7893 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
7894 cpp_token with cpp_ttype everywhere.
7895 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
7896 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
7897 CPP_BUF_COL. Line and column numbers are unsigned int, not
7899 * cpplex.c (cpp_buf_line_and_col): Delete.
7900 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
7901 'long lineno' to 'unsigned int lineno'.
7902 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
7904 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7906 * extend.texi: ISO C99 is not a draft anymore.
7907 * invoke.texi: ISO C++ is not a draft anymore.
7908 * cpp.texi: __cplusplus is required by the ISO standard.
7910 * extend.texi (-fthis-is-variable): Undocument.
7911 * flags.h (warn_template_debugging): Remove declaration.
7912 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
7913 -Wenum-clash, -Wtemplate-debugging): Undocument.
7915 2000-04-10 Nick Clifton <nickc@cygnus.com>
7917 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
7919 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
7921 (ARM_SIGN_EXTEND): Use HOST_UINT.
7922 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
7923 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
7924 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
7925 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
7927 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
7928 (arm_gen_constant): Use HOST_UINT.
7929 (arm_canonicalize_constant): Use HOST_UINT.
7930 (arm_reload_in_hi): Use HOST_UINT.
7931 (arm_reload_out_hi): Use HOST_UINT.
7932 (output_multi_immediate): Use HOST_UINT.
7933 (int_log2): Use HOST_UINT.
7934 (arm_poke_function_name): Use HOST_UINT.
7935 (arm_output_epilogue): Use arm_volatile_func().
7936 (output_thumb_prologue): Use arm_strip_name_encoding().
7938 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7940 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
7941 of sequence point problems.
7943 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
7945 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
7947 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
7949 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7951 * sbitmap.h: Whitespace changes and use upper-case macro args.
7952 (struct simple_bitmap_def): All sizes now unsigned.
7953 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
7954 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
7955 (sbitmap_vector_alloc): Parms and local vars now unsigned.
7956 (sbitmap_zero): Cast bzero arg to PTR.
7957 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
7958 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
7959 loop to make structure clearer.
7960 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
7961 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
7962 (sbitmap_a_and_b_or_c): Likewise.
7963 (sbitmap_intersection_of_succs): Minor cleanups.
7964 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
7965 (sbitmap_union_of_preds): Likewise.
7966 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
7967 (debug_sbitmap): New function.
7969 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
7970 * c-typeck.c (convert_for_assignment): Likewise.
7972 * expmed.c (init_expmed): Don't free objects we make.
7973 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
7975 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
7976 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
7978 * gcse.c (expr_hash_table_size): Now unsigned.
7979 (compute_ae_gen): Local variable `i' now unsigned.
7980 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
7981 (compute_transout, hoist_code): Likewise.
7982 (compute_local_properties): Likewise, also hash_table_size.
7983 (alloc_expr_hash_table): N_INSNS now unsigned.
7984 (delete_null_pointer_checks): Mark arg F as unused.
7986 * regrename.c: Minor cleanups, including chang some variables
7989 2000-04-10 Neil Booth <NeilB@earthling.net>
7991 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
7993 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
7995 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7997 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
7998 __classof__, and __headof__ from the list of gnu keywords.
7999 (-ansi): Remove -foperator-names from list of implied options.
8000 Do not call it ANSI C++.
8001 (-foperator-names): Document as -fno-operator-names.
8003 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8005 * cpphash.c (timestamp): Delete.
8006 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8007 (special_symbol): Remove unnecessary braces. Remove
8008 T_VERSION. Treat T_STDC like T_CONST unless
8009 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8010 when one is encountered, then convert them into T_MCONST
8012 * cppinit.c (builtin_array): version_string is T_MCONST.
8013 __STDC__ has a "1" in its cpval. Don't have a terminator
8014 entry. Clean up which entries are dumped.
8015 (initialize_builtins): Only __STDC__ gets the special
8016 -traditional treatment. Count the length of builtin_array.
8017 Render version_string here.
8018 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8019 * cpplib.h (struct cpp_reader): Remove timebuf.
8021 2000-04-09 Richard Henderson <rth@cygnus.com>
8023 * genrecog.c (pred): Update comparison_operator for the unordered
8026 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8028 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8029 (uno_comparison_operator): New.
8030 (put_condition_code): Handle UNORDERED/ORDERED.
8031 (unsigned_comparison): Likewise.
8032 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8033 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8034 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8035 update all callers. Handle all 8 unordered operators.
8036 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8037 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8038 * config/i386/i386.h (PREDICATE_CODES): Update.
8039 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8040 (ix86_expand_branch, ix86_expand_setcc): Update.
8041 * config/i386/i386.md (sunordered, sordered): New.
8042 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8043 (bunordered, bordered): New.
8044 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8045 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8046 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8048 2000-04-09 Philip Blundell <philb@gnu.org>
8050 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8052 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8054 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8055 fix_truncxfhi2): New patterns.
8056 * i386.c (output_fix_trunc): Handle converting to HImode.
8058 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8060 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8062 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8063 (for_each_successor_phi): Change parameter to basic_block.
8064 (coalesce_regs_in_successor_phi_nodes): Likewise.
8065 (coalesce_regs_in_copies): Likewise.
8066 (compute_coalesced_reg_partition): Use basic_block instead of index.
8067 * rtl.h (convert_to_ssa): Delete.
8068 (convert_from_ssa): Likewise.
8069 (successor_phi_fn): Likewise.
8070 (for_each_successor_phi): Likewise.
8071 (in_ssa_form): Likewise.
8072 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8073 (convert_from_ssa): Likewise.
8074 (successor_phi_fn): Likewise.
8075 (in_ssa_form): Likewise.
8076 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8077 * flow.c (calculate_global_regs_live): Pass a basic_block to
8078 for_each_successor_phi.
8080 2000-04-08 Richard Henderson <rth@cygnus.com>
8082 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8083 was modified in the current insn.
8085 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8087 * arm/thumb.md: Delete.
8088 * arm/thumb-protos.h: Delete.
8090 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8092 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8094 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8096 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8099 * arm.md (nop): Use the standard RTL expression. Don't code as a
8101 (*arm_nop, *thumb_nop): Delete.
8103 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8104 constants. Use casts instead.
8105 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8106 output_multi_immediate, arm_poke_function_name): Likewise.
8107 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8108 MASK_RETURN_ADDDR): Likewise.
8110 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8112 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8115 * arm.md (eh_epilogue): New function.
8116 * arm.h (struct machine_function): Move to here ...
8117 * arm.c: ... from here.
8118 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8119 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8120 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8122 2000-03-30 Nick Clifton <nickc@cygnus.com>
8124 * config/arm/semi.h (ASM_SPEC): Restore definition.
8125 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8127 * config/arm/elf.h (ASM_SPEC): Restore definition.
8128 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8130 * config/arm/arm.h (ASM_SPEC): Remove definition.
8131 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8133 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8135 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8137 2000-03-24 Nick Clifton <nickc@cygnus.com>
8139 Various formating tidyups, elimination of compile time
8140 warnings and synchronisation with internal sources:
8142 * config/arm/arm-protos.h (assemble_align): Add prototype.
8143 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8144 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8145 (arm_return_addr_rtx): Rename to arm_return_addr.
8147 * config/arm/arm.c: Include except.h.
8148 Define shorter typenames for strict minipool_node and struct
8150 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8152 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8153 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8155 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8157 (ASM_SPEC): Define if not already defined.
8158 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8160 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8161 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8162 arm_gen_compare_reg.
8163 (indirect_jump): Only accept register operands.
8164 (load_indirect_jump): Keep this pattern since combine can generate
8167 * config/arm/coff.h: Include aout.h.
8168 (MULTILIB_DEFAULTS): Only define if not already defined.
8170 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8171 into arm.h (so that COFF ports can support thumb based aliases).
8172 (ASM_SPEC): Move definition into arm.h
8174 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8175 redundant apcs spec.
8176 (ASM_SPEC): Move definition to arm.h
8178 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8180 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8181 for entries in the .bss section
8183 2000-03-23 Nick Clifton <nickc@cygnus.com>
8185 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8186 to thumb_far_jump_used_p.
8188 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8189 single integer parameter.
8191 * config/arm/arm.c (struct machine_function): Add two new
8192 fields, 'far_jump_used' and 'arg_pointer_live'.
8193 (thumb_far_jump_used_p): Once the decision has been made that
8194 far jumps might be used, always return true.
8195 If being called from the initial elimination offset macro then
8196 do not bother to perform the test if the arg pointer is not
8198 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8199 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8201 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8203 * arm.c (output_return_instruction): Handle more cases where we can
8204 return from a function with an ldr instruction.
8205 (arm_output_epilogue): Likewise.
8207 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8208 if we need to push a large stack frame and there are no callee-saved
8211 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8212 in ARM code if the frame pointer has been eliminated.
8214 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8215 unspec_volatile arguments to avoid duplicates.
8216 (consttable_1, consttable_2): Fixes for big-endian mode.
8218 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8221 Re-write constant pool code.
8222 * arm.c (minipool_node, minipool_fix): New types.
8223 (minifix): Delete type.
8224 (arm_add_minipool_constant): Delete.
8225 (arm_compute_minipool_offsets, arm_find_barrier,
8226 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8227 (get_jump_table_size): Now returns HOST_WIDE_INT.
8228 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8230 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8231 (assign_minipool_offsets, arm_print_value): Likewise.
8232 (dump_minipool): Rewrite.
8233 (arm_barrier_cost): New function.
8234 (create_fix_barrier): New function.
8235 (push_minipool_barrier): New function.
8236 (push_minipool_fix): Record additional information about the fixup
8238 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8239 check the mode of what needs fixing.
8240 (arm_reorg): Rewrite.
8242 2000-03-08 Nick Clifton <nickc@cygnus.com>
8244 * config/arm/arm.md (indirect_jump): Force constant addresses into
8247 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8249 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8251 2000-02-24 Nick Clifton <nickc@cygnus.com>
8253 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8254 adjust is word aligned.
8255 (thumb_expand_epilogue): Make sure that stack adjust is word
8258 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8260 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8262 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8263 pointer relative addresses.
8265 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8267 * arm.c (find_barrier): Find the last barrier within the allowed
8270 2000-02-09 Nick Clifton <nickc@cygnus.com>
8272 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8274 2000-02-09 Nick Clifton <nickc@cygnus.com>
8276 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8277 ARM_FUNCTION_PROFILER.
8279 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8280 ARM_FUNCTION_PROFILER.
8282 * config/arm/linux-oldld.h: Imported from mainline sources.
8284 2000-02-07 Nick Clifton <nickc@cygnus.com>
8286 * config/arm/lib1funcs.asm: Merge in thumb functions from
8289 * config/arm/lib1thumb.asm: Delete.
8291 2000-02-04 Nick Clifton <nickc@cygnus.com>
8293 * config/arm/arm.c: Sychronised with current Red hat local
8295 * config/arm/arm.h: Ditto.
8296 * config/arm/arm-protos.h: Ditto.
8298 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8300 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8302 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8305 2000-02-02 Nick Clifton <nickc@cygnus.com>
8307 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8309 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8310 (return) was emited using an emit_insn() call.
8312 2000-01-31 Nick Clifton <nickc@cygnus.com>
8314 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8316 (thumb_exit): Move frame pointer back into hard frame pointer
8317 register if backtracing is being used.
8319 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8321 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8324 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8326 * config/arm/arm.md (neg_pool_offset): Provide default for new
8328 (arm_movsi_insn): Add neg_pool_offset attribute.
8329 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8330 rtx for the insn that starts the scan and an unsigned long for its
8331 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8332 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8333 instructions in *PINSERTED.
8334 (struct minipool_fixup): Add MIN_ADDRESS elt.
8335 (sort_fixups): Compute it.
8336 (arm_reorg): Changes to support inserting pools before the insn to be
8339 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8341 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8342 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8343 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8345 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8347 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8349 (TARGET_DEFAULT): Do not define if already defined.
8351 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8353 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8354 (iordi3): Allow disjoint source operands.
8355 (xordi3): Allow disjoint source operands.
8356 (negdi2): Permit construction for ARM and Thumb.
8357 (arm_negdi2): Renamed version of old negdi2 pattern.
8358 (thumb_negdi2): New pattern: Only permit non-overlapping
8359 source and destination.
8361 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8363 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8364 scratch low register so that it will not be deleted.
8366 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8368 * config/arm/pe.h (ARM_PE): Define.
8370 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8371 interfacearm attribute if this is a PE toolchain.
8372 (output_return_instruction): Do not emit anything if the function
8373 has the naked attribute set.
8374 (is_called_in_ARM_mode): If the function has the interfacearm
8375 attribute then return true.
8376 (thumb_expand_prologue): Do not generate a prologue for naked
8378 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8380 (output_thumb_prologue): Do not bother if the function is naked.
8381 Strip PE encoding from function name before emitting.
8383 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8385 * arm.md (pic_load_addr): Fix constraints.
8387 * arm.md (casesi_insn): Fix mis-applied patch.
8389 * arm.md ("core" function unit): Add rules for single- and
8391 (All TARGET_THUMB patterns): Add "type" attribute information
8393 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8394 the following insn is a CALL.
8396 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8398 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8399 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8400 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8402 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8404 * config/arm/linux-gas.h: oops - this file was missed out when the
8405 branch was created...
8407 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8409 * thumb.c: Deleted. Move contents to ...
8411 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8413 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8416 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8417 declare a prototype for asm_output_align();
8419 * arm.c (thumb_condition_code): Delete.
8420 (arm_print_operand): Always use arm_condition_code array.
8422 * arm.c (thumb_return_addr_rtx): Delete.
8423 (arm_save_machine_status, arm_restore_machine_status): Delete.
8424 (arm_init_machine_status, arm_mark_machine_status): New functions.
8425 (arm_init_expanders): Update accordingly.
8426 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8427 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8428 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8430 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8432 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8434 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8437 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8439 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8440 stack backtrace structure.
8442 * config/arm/arm-protos.h: Add prototypes for functions defined in
8445 * config/arm/arm.c (arm_override_options): Fix selection of
8446 attributes of default processor.
8448 * config/arm/coff.h: Delete needless #include.
8450 * config/arm/pe.c: Delete unused code.
8452 * config/arm/pe.h (CPP_DEFINES): Delete
8453 (SUBTARGET_CPP_SPEC): Define.
8454 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8456 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8458 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8460 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8462 (CAN_DEBUG_WITHOUT_FP): Define.
8463 (FIXED_REGISTERS): Make r11 call-saved.
8464 (CALL_USED_REGISTERS): Likewise.
8465 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8466 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8467 frame-pointer is required.
8468 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8469 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8470 if the target normally needs a stack frame in non-leaf functions.
8471 (use_return_insn): Correct logic for determining when a return
8472 instruction can be used.
8473 (output_return_instruction): Handle the frame-pointer register as
8474 a normal register when not TARGET_APCS_FRAME.
8475 (arm_output_prologue): Likewise.
8476 (arm_output_epilogue): Likewise.
8477 (output_func_epilogue): Likewise.
8478 (arm_expand_prologue): Likewise.
8479 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8481 * arm.c (use_return_insn): No need to check floating point regs if
8483 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8484 the code of value stored in the minipool array.
8485 (arm_add_minipool_constant): Likewise.
8487 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8489 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8491 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8493 * tree.c (tree_expr_nonnegative_p): New function.
8495 * tree.h (tree_expr_nonnegative_p): Declare.
8497 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8498 elide some sign_compare warnings.
8499 (build_conditional_expr): Likewise.
8501 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8503 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8505 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8506 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8507 operand. Abort if a 387 operand has an unsupported size.
8509 2000-04-08 Neil Booth <NeilB@earthling.net>
8511 * cppexp.c (parse_charconst): Null does not end character
8513 * cppinit.c (ISTABLE): Null character handled as whitespace.
8514 * cpplex.c (null_warning): new function.
8515 (skip_string): Emit warning if nulls encountered.
8516 (_cpp_skip_hspace): Emit warning if nulls encountered.
8517 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8521 2000-04-07 Richard Henderson <rth@cygnus.com>
8523 * flow.c (loop_depth): Remove.
8524 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8525 (struct propagate_block_info): New.
8526 (life_analysis): Don't allocate reg_next_use.
8527 (propagate_block_delete_insn): Break out of propagate_block.
8528 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8529 (propagate_block_delete_libcall): Likewise.
8530 (propagate_block): Create a propagate_block_info struct to pass
8531 to subroutines. Allocate one not two temporary regsets. Don't
8532 clobber memory for const calls. Look for clobbers in
8533 CALL_INSN_FUNCTION_USAGE.
8534 (mark_set_regs): Recognize COND_EXEC.
8535 (mark_set_reg): Break out of mark_set_1.
8536 (mark_used_reg): Break out of mark_used_regs.
8537 (mark_used_regs): Recognize COND_EXEC.
8538 (insn_dead_p): Use propagate_block_info struct.
8539 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8540 (find_auto_inc, try_pre_increment_1): Likewise.
8541 (print_rtl_with_bb): Dump regs live at end too.
8542 (count_reg_sets_1): Pass in loop_depth.
8543 (count_reg_sets, count_reg_references): Likewise.
8544 (recompute_reg_usage): Provide it.
8546 2000-04-07 Richard Henderson <rth@cygnus.com>
8548 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8551 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
8553 * cpplib.c (do_elif): Skip the rest of the line if we're
8554 not going to bother evaluating it.
8555 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
8556 to avoid pointless calls to the lexer.
8558 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
8560 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
8562 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
8564 * calls.c (expand_call): emit_queue if we're trying a sibcall.
8566 2000-04-07 Jakub Jelinek <jakub@redhat.com>
8568 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
8570 2000-04-06 Geoff Keating <geoffk@cygnus.com>
8572 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
8573 crtend so they can be multilibbed.
8574 (STAGESTUFF): Remove s-crt and s-crtS.
8576 2000-04-07 Richard Henderson <rth@cygnus.com>
8578 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
8579 if we discover we need a pseudo and no_new_pseudos is true.
8580 * config/alpha/alpha.md (ne:DI insn): New.
8581 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
8583 2000-04-07 Richard Henderson <rth@cygnus.com>
8585 * rtl.def (COND_EXEC): New.
8586 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
8587 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
8589 * genconfig.c (have_cond_arith_flag): Remove.
8590 (have_cond_exec_flag): New.
8591 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
8592 (main): Print HAVE_conditional_execution.
8594 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
8595 (sched_analyze_insn, print_pattern): Likewise.
8596 * reload.c (find_equiv_reg): Likewise.
8597 * rtlanal.c (reg_referenced_p): Likewise.
8598 (note_stores, dead_or_set_regno_p): Likewise.
8599 (reg_overlap_mentioned_p): Rewrite to use a switch.
8601 * ggc.h (struct rtx_def): Forward declare.
8603 * print-rtl.c (debug_rtx_range): New.
8604 * rtl.h (debug_rtx_range): Declare.
8606 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
8608 * gcse.c (gcse_main): Don't rebuild the CFG here.
8609 (delete_null_pointer_checks): Likewise.
8610 * ssa.c (convert_to_ssa): Likewise.
8611 * toplev.c (rest_of_compilation): Do it here instead. Combine
8612 sequential calls to TIMEVAR. Consistently use `insns' instead of
8613 `get_insns()'. Always split insns after reload when optimizing.
8615 * basic-block.h (merge_blocks_nomove): Declare.
8616 (tidy_fallthru_edge): Declare.
8617 * flow.c (merge_blocks_nomove): Document as merging into previous
8618 blocks. Remove cruft from between blocks; remove all edges out of A.
8619 (tidy_fallthru_edge): Export.
8621 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8623 * ssa.c (compute_conservative_reg_partition): Declare with
8625 * toplev.c (clean_dump_file): Remove previously-deleted function
8626 inadvertantly merged back in.
8627 * conflict.c (conflict_graph_add): Use a single call to
8628 htab_find_slot to look up and insert.
8630 2000-04-06 Richard Henderson <rth@cygnus.com>
8632 * genrecog.c (*): Rename _last_insn to last_insn.
8633 (make_insn_sequence): Set the position of the peephole2 C test
8634 to be at the last insn.
8636 2000-04-06 Richard Henderson <rth@cygnus.com>
8638 * flow.c (compute_flow_dominators): Free worklist.
8640 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
8642 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
8644 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8646 * rtl.h (INSN_P): New macro.
8647 (successor_phi_fn): New typedef.
8648 (for_each_successor_phi): New prototype.
8649 (in_ssa_form): New variable.
8650 (PHI_NODE_P): Likewise.
8651 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
8652 phi nodes in successors.
8653 (mark_used_regs): Add PHI case.
8654 (set_phi_alternative_reg): New function.
8655 (life_analysis): Assert that dead code elimination is not selected
8657 * toplev.c (to_ssa_time): New variable.
8658 (from_ssa_time): Likewise.
8659 (compile_file): Zero to_ssa_time and from_ssa_time.
8660 Print time to convert to and from SSA.
8661 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
8662 (print_time): Compute percent fraction as integer.
8663 * ssa.c (PHI_NODE_P): Moved to rtl.h.
8664 (convert_to_ssa): Check if we're already in SSA.
8665 Don't eliminate dead code in life_analysis.
8666 Rerun flow and life analysis at bottom.
8667 (eliminate_phi): Use canonical regnos when adding nodes.
8668 (mark_reg_in_phi): New function.
8669 (mark_phi_and_copy_regs): Likewise.
8670 (convert_from_ssa): Rerun life analysis at top.
8671 Use coalesced partition.
8672 Check for removing a phi node at the end of the block.
8673 (compute_coalesced_reg_partition): New function.
8674 (coalesce_regs_in_copies): Likewise.
8675 (coalesce_reg_in_phi): Likewise.
8676 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
8677 (for_each_successor_phi): Likewise.
8678 (rename_context): New struct.
8679 (rename_block): Use a rename_context with rename_insn_1. When
8680 renaming sets of a subreg, emit a copy of the entire reg first.
8681 (rename_insn_1): Treat data as a rename_context *. Save current
8683 (rename_set_data): Add field set_insn.
8684 * Makefile.in (HASHTAB_H): Move up in file.
8685 (OBSTACK_H): New macro.
8686 (collect2.o): Use OBSTACK_H in dependencies.
8687 (sdbout.o): Likewise.
8688 (emit-rtl.o): Likewise.
8689 (simplify-rtx.o): Likewise.
8690 (fix-header.o): Likewise.
8691 (OBJS): Add conflict.o.
8692 (conflict.o): New rule.
8693 * basic-block.h: Include partition.h.
8694 (conflict_graph): New typedef.
8695 (conflict_graph_enum_fn): Likewise.
8696 (conflict_graph_new): New prototype.
8697 (conflict_graph_delete): Likewise.
8698 (conflict_graph_add): Likewise.
8699 (conflict_graph_conflict_p): Likewise.
8700 (conflict_graph_enum): Likewise.
8701 (conflict_graph_merge_regs): Likewise.
8702 (conflict_graph_print): Likewise.
8703 (conflict_graph_compute): Likewise.
8704 * conflict.c: New file.
8706 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
8708 * tlink.c (read_repo_files): Don't look for .rpo info for
8711 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8713 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
8715 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8717 * config/sh/lib1funcs.asm (___udivsi3_i4):
8718 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
8719 only depends on FMOVD_WORKS.
8721 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8723 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
8724 make double constant 8-byte aligned.
8726 2000-04-06 Jakub Jelinek <jakub@redhat.com>
8728 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
8729 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
8730 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
8731 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
8732 Accept storing GENERAL_REGS into offsetable memory.
8733 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
8734 building a TFmode constant other than 0.0L into GENERAL_REGS.
8736 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
8738 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
8740 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
8742 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
8743 (macro_cleanup): No need to cast pbuf->macro.
8744 (collect_expansion): Use _cpp_get_define_token. Goto done if
8745 it returns VSPACE. Remove check for trailing space after
8747 (_cpp_create_definition): Don't diddle flags here. Return
8749 (unsafe_chars): Handle c1 being EOF.
8750 (push_macro_expansion): Use unsafe_chars for both accidental-paste
8751 checks. Don't push the buffer till after we're done with
8753 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
8754 (PEEKN, FORWARD, GETC, PEEKC): Use them.
8755 (cpp_push_buffer): Don't set new->alimit. Set new->mark
8757 (_cpp_parse_assertion): Don't NUL terminate.
8758 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
8759 hspace before calling _cpp_parse_assertion. Remove all sets
8760 of only_seen_white. Treat '\f' as hspace. Don't do anything
8761 special with '\n' here.
8762 (maybe_macroexpand): Handle T_EMPTY hash entries without
8763 pushing a buffer at all.
8764 (cpp_get_token): Handle clearing only_seen_white here. Handle
8765 incrementing the line number here. Clear
8766 potential_control_macro as well as only_seen_white, if
8768 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
8769 (_cpp_get_define_token): New function, basically like
8770 _cpp_get_directive_token was but doesn't eat horizontal space.
8771 Don't do anything with only_seen_white here.
8772 (_cpp_get_directive_token): Just call _cpp_get_define_token
8773 repeatedly till it returns non-hspace.
8775 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
8776 (conditional_skip, skip_if_group): Return int.
8777 (DIRECTIVE_TABLE): Change origin of all conditional directives
8779 (TRAD_DIRECT_P): New macro.
8780 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
8781 an error for a bogus directive, unless -lang-asm. Use
8782 TRAD_DIRECT_P. Loop calling handler functions till one returns
8784 (get_macro_name): Don't diddle flags here.
8785 (do_define): Diddle flags here. Use _cpp_get_directive_token.
8786 Create T_EMPTY nodes for #define macro /* nothing */.
8787 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
8788 Use hp->name when calling pass_thru_directive.
8789 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
8790 Return the result of conditional_skip and/or skip_if_group.
8791 Don't call _cpp_output_line_command.
8792 (consider_directive_while_skipping): Use _cpp_get_directive_token.
8793 Issue -Wtraditional warnings as appropriate. Don't complain
8794 about unrecognized directives. If we are to stop skipping,
8795 return the number of the directive that ended the skip.
8796 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
8797 expansion and line commands while skipping. Return the result
8798 of consider_directive_while_skipping, if nonzero.
8799 (do_endif): Just set potential_control_macro here.
8800 (validate_else): Use _cpp_get_directive_token.
8801 (do_assert, do_unassert): Don't save pointers into the
8802 token_buffer across calls to the lexer. Use
8803 _cpp_get_directive_token.
8805 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
8806 pointer, not an offset. Replace 'data', which was a generic
8807 pointer, with 'macro', which points to a struct hashnode.
8808 (cpp_reader): Add 'potential_control_macro' pointer.
8809 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
8810 (CPP_BUF_GET, CPP_FORWARD): Delete.
8811 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
8812 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
8813 ACTIVE_MARK_P): Update.
8814 (_cpp_get_define_token): New internal function.
8815 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
8817 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
8819 * configure.in: And here.
8820 * configure: Regenerate.
8821 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
8822 --enable-libstdcxx-v3 is passed at configure time.
8823 * config.h.in: Regenerate.
8825 2000-04-05 Mark Mitchell <mark@codesourcery.com>
8827 * final.c (final): Use xcalloc to allocate line_note_exists.
8828 * function.c (free_after_compilation): Free the temp_slots.
8829 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
8830 (combine_temp_slot): Free temp_slots when they get combined.
8831 (purge_addressof): Fix typo in comment.
8832 * stmt.c (mark_goto_fixup): Mark the fixup itself.
8833 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
8835 * ggc.h: Include varray.h.
8836 (ggc_pending_trees): Declare.
8837 (ggc_mark_tree_children): Remove declaration.
8838 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
8839 * ggc-common.c (ggc_pending_trees): New variable.
8840 (ggc_mark_roots): Call ggc_mark_trees.
8841 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
8842 the ggc_pending_trees.
8843 * Makefile.in (GGC_H): New variable. Use it throughout in place
8846 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8848 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
8851 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8853 * sh.c (sh_insn_length_adjustment): New function.
8854 * sh-protos.h (sh_insn_length_adjustment): Declare.
8855 * sh.h (ADJUST_INSN_LENGTH): Use it.
8857 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
8859 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
8860 from the insn where REG_RETVAL is added.
8861 (emit_no_conflict_block): Ditto.
8863 * md.texi (Standard Names): Clarify when movX is needed.
8865 * combine.c (simplify_comparison) [MINUS]: Do not replace
8866 all (op (minus A B) 0) with (op A B).
8868 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
8869 J"orn Rennecke <amylaar@cygnus.co.uk>
8871 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
8872 (block_lump_real): Likewise.
8874 2000-04-05 Chris Demetriou <cgd@netbsd.org>
8876 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
8877 remaining non-zero debugging masks.
8879 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
8881 * basic-block.h (verify_flow_info): Declare.
8882 (flow_loop_outside_edge_p): Declare.
8883 * flow.c (verify_flow_info): Remove declaration.
8884 (clear_log_links, flow_loop_outside_edge_p): Likewise.
8886 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
8888 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
8891 2000-04-05 Jakub Jelinek <jakub@redhat.com>
8893 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
8894 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
8895 seqdi_zero_trunc+1): Allow splits only if registers are
8898 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
8900 * acconfig.h: Add HAVE_GAS_HIDDEN.
8901 * config.in: Regenerated.
8902 * configure.in: Add test for .hidden pseudo-op in gas.
8903 * configure: Regenerated.
8904 * crtstuff.c: Include auto-host.h.
8905 Emit additional .hidden pseudo-op for __dso_handle if the
8906 assembler knows about it.
8908 2000-04-04 Philippe De Muyter <phdm@macqel.be>
8910 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
8911 before freeing argnames.
8912 * cpplib.c (do_ifndef): Cast return value of xstrdup.
8914 2000-04-05 Michael Meissner <meissner@redhat.com>
8916 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
8917 Walton <jonboy@gordian.com> to make memory references with update
8918 work wtih -mregnames.
8920 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8922 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
8923 (regrename_optimize): Rename variables `def_uses' and
8924 `ext_basic_blocks' to avoid conflicts with similarly named
8925 typedefs in traditional C.
8927 * calls.c (initialize_argument_information): Fix typo in previous
8930 2000-04-04 Richard Henderson <rth@cygnus.com>
8932 * regrename.c (consider_available): Test fixed_regs not
8933 PIC_OFFSET_TABLE_REGNUM.
8935 2000-04-04 Geoff Keating <geoffk@cygnus.com>
8937 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
8939 (CRTSTUFF_T_CFLAGS_S): Delete definition.
8940 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
8941 (ENDFILE_LINUX_SPEC): Always use crtend.
8942 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
8943 (powerpc-*-linux-gnu): Likewise.
8944 * configure: Regenerate.
8946 * config/rs6000/eabi.h: Don't include sysv4.h.
8947 (MULTILIB_DEFAULTS): Don't define.
8948 * config/rs6000/eabiaix.h: Don't include eabi.h.
8949 * config/rs6000/eabile.h: Delete.
8950 * config/rs6000/eabilesim.h: Delete.
8951 * config/rs6000/eabisim.h: Don't include eabi.h.
8952 * config/rs6000/linux.h: Don't include sysv4.h.
8953 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
8954 (MULTILIB_DEFAULTS): Don't redefine.
8955 * config/rs6000/rtems.h: Don't include eabi.h.
8956 * config/rs6000/sol2.h: Don't include sysv4le.h.
8957 * config/rs6000/sysv4le.h: Don't include sysv4.h.
8958 * config/rs6000/t-ppc: Delete.
8959 * config/rs6000/t-ppcgas: Correct comment.
8960 * config/rs6000/t-ppcos: Correct comment. Don't build
8961 multilibs for -fPIC, rather use -fPIC -mstrict-align
8963 * config/rs6000/t-ppc: Delete.
8964 * config/rs6000/vxppc.h: Don't include sysv4.h.
8965 * config/rs6000/vxppcle.h: Delete.
8966 * configure.in: Use multiple header files for p2pc ELF targets
8967 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
8968 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
8969 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
8970 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
8971 always available for these platforms.
8973 2000-04-04 Richard Henderson <rth@cygnus.com>
8975 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
8977 2000-04-04 Stan Cox <scox@cygnus.com>
8979 * Makefile.in: Add rules for regrename.o
8980 * regrename.c: New file.
8981 * rtl.h (regrename_optimize): Add prototype.
8982 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
8983 (compile_file, decode_d_option): Add support for -frename-registers.
8984 (rest_of_compilation): Call regrename_optimize.
8985 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
8988 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8990 * Makefile (gccbug): New target.
8991 (doc): Depend on it.
8992 * gcc.texi (Bugs): Link subnodes.
8994 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
8995 Document severities, priorities, and classes in bug form.
8997 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
8999 * cpplex.c (trigraph_map, speccase): Combine into single
9001 (NORMAL, NONTRI): New macros.
9002 (_cpp_read_and_prescan): Change to use unified table. Use
9003 is_hspace to test for whitespace.
9005 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9006 definition that doesn't provoke the "empty body in an
9007 if-statement" warning.
9009 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9011 * builtins.c (expand_builtin_strlen): Force the source to
9012 be a memory address.
9014 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9016 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9018 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9020 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9021 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9022 (ECF_IS_CONST): Rename to ECF_CONST.
9023 (special_function_p): Make static, change interface.
9024 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9025 (expand_call) ... here; convert number of variables to flags.
9026 (emit_library_call_vlue_1): Likewise.
9027 (setjmp_call_p): New function.
9028 (initialize_argument_information): Accepts flags as argument;
9030 (precompute_arguments): Likewise.
9031 * tree.h (special_function_p): Remove.
9032 (setjmp_call_p): Add prototype.
9034 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9036 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9037 so that addresses are offsetable by up to 16 bytes.
9038 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9039 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9042 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9043 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9044 (movsf): Don't force any constant to memory if target is integer
9046 Move fp_zero_operand check below the const0_rtx check.
9047 (movtf): Likewise. Also allow fp_zero_operand for stores into
9049 (movdf): Likewise. Also allow fp_zero_operand for stores into
9050 memory and into integer hard registers.
9051 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9052 movdf_const_intreg_sp64): Remove.
9053 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9055 (movdf_no_e_insn_v9_sp32): New pattern.
9056 (movdf_insn_v9only): Remove.
9057 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9058 (movdf_insn_sp64): Remove.
9059 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9060 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9061 (following splits): Rewrite conditions. Add two new splits
9062 for storing 0.0 into memory and registers.
9063 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9064 (movtf_insn_sp32): Redo constraints and conditions.
9065 (movtf_insn_vis_sp32): New pattern.
9066 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9067 (movtf_insn_hq_sp64): Likewise.
9068 (movtf_insn_hq_vis_sp64): New pattern.
9069 (movtf_insn_sp64): Redo constraints and conditions.
9070 (movtf_insn_vis_sp64): New pattern.
9071 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9072 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9074 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9075 -mvis or -m64 to take down the number of various reload patterns.
9077 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9079 * pa/pa-64.h: New file.
9080 * pa/pa64-regs.h: New file.
9081 * pa/pa64-start.h: New file.
9082 * pa/t-pa64: New file.
9083 * pa/xm-pa64hpux.h: New file.
9085 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9087 * sparc.c (output_restore_regs): Prototype.
9088 (sparc_emit_float_lib_cmp): Constification.
9090 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9092 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9095 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9096 (get_value_hash, hash_rtx): Likewise.
9098 * ssa.c (compute_conservative_reg_partition): Prototype.
9100 * tree.c (mark_hash_entry): Prototype.
9102 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9104 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9105 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9106 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9108 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9109 * objc/lang-specs.h: Likewise.
9111 2000-04-03 Neil Booth <NeilB@earthling.net>
9113 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9114 and SYNTAX_ERROR2. Replace `' in messages with ''.
9115 (op_to_str): Make re-entrant.
9116 (_cpp_parse_expr): Implement new error macros. Use | rather
9117 than || to logically or 2 boolean integers. Simply expression
9118 checking we have a left operand iff needed.
9120 2000-04-03 Nick Clifton <nickc@cygnus.com>
9122 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9124 2000-04-03 Philip Blundell <philb@gnu.org>
9126 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9128 2000-04-03 Felix Lee <flee@cygnus.com>
9130 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9131 (run_shell): Use it.
9133 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9135 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9136 (stmp-fixproto): ...rather than here.
9138 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9140 * pa.c (print_operand): Compute 'base' only inside the code paths
9143 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9145 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9148 2000-04-03 Philipp Thomas <pthomas@suse.de>
9150 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9152 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9154 * Makefile.in (alias.o): Depend on $(TREE_H).
9156 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9158 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9160 * cpplib.c (_cpp_handle_directive): Improve warnings for
9161 traditional C and indented directives.
9163 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9164 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9165 fixinc/inclhack.def: Indent the # of #include_next one space.
9166 * cp/rtti.c: Un-indent #if and #endif.
9168 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9169 syntax error, but an error has already been printed.
9170 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9171 message when called with nothing remaining on the line.
9172 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9173 OTHER token, not an ASSERTION.
9174 * cpplib.c (do_assert): When we create a 'base' node, clear
9175 its aschain pointer.
9177 2000-04-02 Neil Booth <NeilB@earthling.net>
9179 * cppexp.c: New typedef op_t. struct operation and struct
9180 token updated to use it.
9181 (op_to_str): New function.
9182 (_cpp_parse_expr): Error messages modified to use op_to_str.
9184 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9186 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9187 before checking MUST_PASS_IN_STACK.
9189 2000-04-02 Neil Booth <NeilB@earthling.net>
9191 * cppexp.c: New FINISHED dummy token. Combine operator initial
9192 flags and initial priority into a single constant. New
9193 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9194 (_parse_cpp_expr): Implement new constants. Take left operand
9195 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9196 parse indicated by reducing FINISHED token. Remove new lines
9197 from cpp_error messages.
9199 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9201 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9204 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9206 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9207 directive. Add origin values to DIRECTIVE_TABLE. Generate
9208 the strings and function names on the fly. Take the #sccs
9209 entry out of the table if SCCS_DIRECTIVE is not defined.
9210 (_cpp_handle_directive): Decide if the # was at the beginning
9211 of the line here. Issue -pedantic warnings for extended
9212 directives here. Warn about K+R directives with the #
9213 indented, and C89/extended directives with the # not indented,
9215 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9216 do_assert, do_unassert): Don't issue pedantic warning here.
9218 * cpphash.h: Add CPP_WTRADITIONAL macro.
9219 * cpplib.h (struct cpp_options): Rename warn_stringify to
9220 warn_traditional; update comments.
9221 * cppinit.c (handle_option): Set warn_traditional not
9223 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9224 CPP_WTRADITIONAL (pfile).
9225 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9226 be ignored in -traditional mode here.
9228 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9229 to initialize speccase[] and trigraph_map[]. Delete all
9230 references to pfile->input_speccase. Always treat '?' as a
9231 special character. Remove table-initialization code from
9232 _cpp_init_input_buffer.
9234 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9235 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9237 2000-04-01 Richard Henderson <rth@cygnus.com>
9239 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9240 (mostlyclean): Likewise.
9242 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9243 (struct dump_file_info, enum dump_file_index, dump_file): New.
9244 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9245 not a string. Clean out file if we havn't yet done so. Do nothing
9246 if the dump isn't enabled.
9247 (close_dump_file): Do nothing if the dump isn't open. Dump
9248 graph data if requested.
9249 (dump_rtl, clean_dump_file): Remove.
9250 (compile_file): Don't clean the dump files. Only finalize .bp dump
9251 if flag_test_coverage or flag_branch_probabilities. Only finalize
9252 .combine dump if optimizing. Iterate over dump_file to finalize the
9254 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9255 Convert all uses of dump_rtl.
9256 (decode_d_option): Iterate over dump_file to implement 'a' and to
9257 locate pass-specific dumps.
9259 2000-04-01 Neil Booth <NeilB@earthling.net>
9261 * cppexp.c: Redefine priority constants.
9262 (_cpp_parse_expr): Replace left and right priority scheme with
9263 single priority logic. Move LOGICAL to same place as COMPARE.
9264 Remove bogus check for multiple unary +/- operators.
9266 2000-04-01 Neil Booth <NeilB@earthling.net>
9268 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9269 within the switch statement. Binary operations break out of
9270 the switch naturally. '(' tokens handled by forcing
9271 immediate shift. ')' handled by forcing immediate reduce to
9272 the previous '('. New error messages.
9274 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9276 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9277 part', it's already in use. Use %K instead. Add a return at the
9278 end of what is now %K.
9279 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9281 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9283 * builtins.c (expand_builtin_apply): Pass proper parameters to
9284 allocate_dynamic_stack_space.
9285 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9286 update stack_pointer_delta; do not update arg_size_so_far.
9287 (compute_argument_block_size): Use stack_delta instead of
9288 stack_pointer_pending and arg_size_so_far.
9289 (expand_call): Add sanity checking for stack_pointer_delta;
9290 save and restore stack_pointer_delta for SIB, use
9291 stack_pointer_delta for alignment; do not update arg_space_so_far.
9292 (emit_library_call_value): Use stack_pointer_delta for alignment.
9293 (store_one_arg): Do not update arg_space_so_far.
9294 * explow.c (adjust_stack, anti_adjust_stack): Update
9295 stack_pointer_delta.
9296 (allocate_dynamic_stack_space): Add sanity checking for
9297 stack_pointer_delta.
9298 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9299 stack_pointer_delta.
9300 (emit_push_insn): Update stack_pointer_delta.
9301 * function.h (struct expr_status): Add x_stack_pointer_delta;
9302 remove x_arg_space_so_far.
9303 (arg_space_so_far): Remove.
9304 (stack_pointer_delta): New macro.
9306 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9308 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9309 Reorder struct cpp_options and struct cpp_reader for better
9310 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9311 takes two args. Change all 'char' flags to 'unsigned char'.
9312 Move show_column flag into struct cpp_options. Don't
9313 prototype cpp_options_init.
9314 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9315 cppinit.c, cpplex.c, cpplib.c:
9316 Replace CPP_OPTIONS (pfile)->whatever with
9317 CPP_OPTION (pfile, whatever), and likewise for
9318 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9320 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9321 Extract CPP_OPTION (pfile, pending) and work with that
9323 (cpp_options_init): Delete.
9324 (cpp_reader_init): Turn on on-by-default options here.
9325 Allocate the pending structure here.
9326 (cl_options, enum opt_code): Define these from the same table,
9327 kept in a large macro. Add -fshow-column and -fno-show-column
9330 * cpperror.c (v_message): If show_column is off, don't print
9333 * cppmain.c: Update for new interface.
9334 * fix-header.c: Likewise.
9336 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9338 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9340 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9341 are passed to any invocation of AR_FOR_TARGET.
9342 (AR_CREATE_FOR_TARGET): New macro.
9343 (AR_EXTRACT_FOR_TARGET): New macro.
9344 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9345 AR_EXTRACT_FOR_TARGET.
9346 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9347 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9348 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9349 AR_EXTRACT_FOR_TARGET to sub-makes.
9351 2000-03-31 Neil Booth <NeilB@earthling.net>
9353 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9355 (_cpp_parse_expr): Check for multiple unary +/- operators.
9356 Correct priorities of ':' and '?'. Treat ')' as having a
9357 value. Ensure conditional expression is not void.
9359 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9361 * alias.c (canon_rtx): Make it global.
9362 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9364 * cse.c (struct table_elt): Add canon_exp.
9366 (invalidate): Canonicalize expressions only once.
9367 * rtl.h (canon_rtx): Declare.
9369 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9371 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9372 * alias.c (reg_known_value): Add comments.
9373 (init_alias_analysis): Likewise.
9374 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9376 (cse_basic_block): Fix typo in comment.
9377 * emit-rtl.c: Include hashtab.h.
9378 (const_int_htab): New variable.
9379 (const_int_htab_hash): New function.
9380 (const_int_htab_eq): Likewise.
9381 (rtx_htab_mark_1): Likewise.
9382 (rtx_htab_mark): Likewise.
9383 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9384 (unshare_all_rtx): Fix formatting.
9385 (init_emit_once): Initialize const_int_htab.
9386 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9388 * rtl.texi: Document the fact that all CONST_INTs with the same
9391 2000-03-30 Richard Henderson <rth@cygnus.com>
9393 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9395 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9397 * configure.in: Comment out --enable-c-cpplib stanza.
9398 * configure: Regenerate.
9400 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9402 * expr.c (store_constructor): Properly compute displacement and
9403 alignment when offset is variable.
9405 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9406 cases of alignment in bytes.
9408 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9410 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9411 since it is used to generate c-parse.y.
9412 * objc-parse.c, objc-parse.y: Regenerated.
9414 * function.c (expand_function_end): Pass alignment argument to
9415 emit_block_move in bits, not bytes.
9417 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9419 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9422 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9424 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9425 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9426 * function.c (assign_parms): Likewise.
9427 * integrate.c (expand_inline_function): Likewise.
9428 * stmt.c (expand_decl): Likewise.
9429 (copy_rtx_and_substitute): Likewise.
9430 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9431 (clear_by_pieces): Fix error in last change.
9432 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9433 * function.h (regno_pointer_align): Now unsigned.
9434 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9436 * config/i386/i386.c (aligned_operand): Likewise.
9437 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9438 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9439 (unaligned_memory_operand): Likewise.
9440 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9441 Also make alignments and sizes unsigned and some whitespace cleanup.
9442 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9444 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9445 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9446 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9447 (expand_builtin_memset): Likewise, but to clear_storage.
9448 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9449 (restore_fixed_argument_area): Likewise.
9450 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9451 (load_register_parameters): Likewise, to emit_group_load.
9452 (expand_call): Likewise, to emit_group_store and emit_block_move.
9453 (emit_library_call_value_1): Likewise, to emit_block_move.
9454 (store_one_arg): Likewise, and to emit_push_insn.
9455 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9456 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9457 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9458 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9459 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9460 (expand_assigment, store_expr, store_constructor_field): Likewise.
9461 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9462 (store_constructor, store_field, get_inner_reference): Likewise.
9463 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9464 (expand_expr, case COMPONENT_REF): Likewise.
9465 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9466 and positions; reindent code.
9467 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9468 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9469 (assign_parms): Likewise to emit_group_store.
9470 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9471 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9472 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9473 (expand_return): Likewise to {extract,store}_bit_field.
9474 * stor-layout.c (get_mode_alignment): Minor cleanup.
9475 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9476 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9478 2000-03-29 Nick Clifton <nickc@cygnus.com>
9480 * config/arm/arm.h: Undo effects of previous delta:
9481 (ASM_SPEC): Do not define.
9482 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9484 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9487 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9489 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9490 only after reading in the primary source file.
9492 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9494 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9495 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9496 or a reference to a va_list.
9497 * builtins.c (stabilize_va_list): Simplify now we don't have to
9498 work around C array address decay.
9499 * c-typeck.c (convert_for_assignment): Handle assignment to
9500 a reference parameter by taking the address of the RHS.
9501 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9502 (va_copy): Likewise.
9503 (__va_copy): Likewise.
9504 * ginclude/varargs.h (va_start): Likewise.
9505 (__va_copy): Likewise.
9507 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9509 * i386/djgpp.h: Remove extraneous "+".
9511 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9513 * calls.c (expand_call): Fix typo in last change.
9515 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9517 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9520 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9522 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9523 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9524 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9525 * tree.c (bit_position, byte_position): Likewise.
9526 * tree.h: Declare new functions.
9528 2000-03-29 Nick Clifton <nickc@cygnus.com>
9530 * config/arm/arm.c: Minor formatting changes/
9531 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9533 (ASM_SPEC): Define if not already defined.
9535 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9537 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9540 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9542 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9543 value, don't output it as unsigned.
9545 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9547 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9549 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9551 * c-common.c (c_common_nodes_and_builtins): Don't special case
9552 cplus_mode when declaring builtin bzero/bcmp, always avoid
9553 prototype arguments.
9555 2000-03-29 Bruce Korb <bkorb@gnu.org>
9557 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
9560 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9562 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
9563 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
9564 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
9565 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
9566 (save_fixed_argument_area, restore_fixed_argument_area):
9567 conditionize by #ifdef REG_PARM_STACK_SPACE only.
9568 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
9569 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
9570 (precompute_register_parameters): Avoid #ifdefs on
9571 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
9572 (stire_one_args): Likewise.
9573 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
9574 (emit_library_call_value_1): Likewise.
9575 (compute_argument_block_size): Align to STACK_BOUNDARY only for
9576 ACCUMULATE_OUTGOING_ARGS.
9577 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
9579 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
9580 (use_crosses_set_p): Likewise.
9581 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
9582 #define ACCUMULATE_OUTGOING_ARGS 1.
9583 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
9585 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
9587 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
9588 (TARGET_SWITCHES): Add push-args, no-push-args,
9589 accumulate-outgoing-args and no-accumulate-outgoing-args.
9590 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
9591 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
9592 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
9594 (emit_push_insn): Likewise.
9595 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9596 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
9597 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9598 (STACK_DYNAMIC_OFFSET): Define correctly for both
9599 ACCUMULATE_OUTGOING_ARGS and normal mode.
9600 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
9601 * tm.texi (PUSH_ARGS): Document.
9602 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
9604 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
9606 * flags.h (flag_optimize_sibling_calls): Declare.
9607 * calls.c (expand_call): Fail sibcall when
9608 !flag_optimize_sibling_calls
9609 * invoke.texi (flag_optimize_sibling_calls): Document.
9610 * toplev.c (flag_optimize_sibling_calls): New global variable.
9611 (f_options): Add flag_optimize_sibling_calls.
9612 (rest_of_compilation): Conditionize
9613 optimize_sibling_and_tail_recursive_calls by
9614 flag_optimize_sibling_calls.
9615 (main): Set flag_optimize_sibling_calls for -O2.
9616 * stmt.c (expand_return): Conditionize tail recursion by
9617 flag_optimize_sibling_calls.
9619 2000-03-29 Richard Henderson <rth@cygnus.com>
9621 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
9622 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
9624 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
9626 * except.c (add_eh_table_entry): Mark type_info's as referenced.
9628 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9630 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
9632 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
9633 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
9634 * config/rs6000/aix.h: then modified likewise.
9636 2000-03-28 Richard Henderson <rth@cygnus.com>
9638 * rtl.h: Redistribute enum reg_note documentation.
9639 Kill trailing whitespace.
9640 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
9641 Kill trailing whitespace.
9643 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
9645 * cppfiles.c (hash_IHASH): Just return i->hash.
9646 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
9647 htab_find_with_hash.
9648 (cpp_read_file): Likewise.
9649 (find_include_file): Likewise. Properly initialize
9650 ih->nshort. Share ih->name and ih->nshort if possible.
9651 * cpphash.c (_cpp_calc_hash): New function.
9652 (hash_HASHNODE): Just return h->hash.
9653 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
9654 htab_find_with_hash.
9655 * cpphash.h: Prototype _cpp_calc_hash.
9656 * cppinit.c (initialize_builtins): Provide a valid hash
9657 to _cpp_make_hashnode, using _cpp_calc_hash.
9659 * cpphash.c (collect_expansion): # is not a special character
9660 in object-like macros. In -traditional mode, /**/ is not
9661 token paste at the beginning or end of the line.
9662 * cpplib.c (do_include, do_import, do_include_next): If
9663 parse_include fails, return immediately.
9665 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
9667 * config/arm/arm.md (return peepholes): Update to reflect the new
9669 * config/arm/arm.c (arm_volatile_func): Also check
9670 current_function_nothrow.
9671 (output_return_instruction, output_func_prologue): Use it.
9672 (arm_output_epilogue, arm_expand_prologue): Likewise.
9674 2000-03-27 Tom Tromey <tromey@cygnus.com>
9676 * gcc.c (handle_braces): In {x*...} case, break out of loop if
9679 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9681 * expr.c (store_constructor): SIZE now signed.
9682 For EXPR_SIZE, don't evaluate size; just needed if constant.
9683 * fold-const.c (fold): Fix a number of cases when folded tree is
9685 * function.c (flush_addressof): Reenable.
9686 * tree.h (flush_addressof): Likewise.
9687 * toplev.c (independent_decode_option): Look at strings_processed.
9688 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
9690 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
9692 * sibcall.c (indentify_call_return_value): Find last call in the chain;
9693 Allow stack adjustment after function call.
9695 * regmove.c (struct csa_memlist): Make mem field rtx *.
9696 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
9697 (try_apply_stack_adjustment): Replace whole MEM rtx.
9698 (combine_stack_adjustments_for_block): Update calls
9699 to record_one_stack_ref.
9701 2000-03-28 Neil Booth <NeilB@earthling.net>
9703 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
9704 '\\' rather than a null character, so nulls are not special. Fix
9705 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
9706 speed trigraph conversion.
9707 (_cpp_init_input_buffer): Initialize trigraph map.
9709 2000-03-27 Alan Modra <alan@linuxcare.com.au>
9711 * config/i386/i386.c (output_387_binary_op): Correct intel
9712 mode assembly output, and add spaces after commas in AT&T
9713 output. Correct Unixware assembler comment. Document input
9714 constraints. Comment fp operations. Reduce profligate buffer
9715 size. Remove extraneous abort. Localize temp var.
9716 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
9717 (output_fix_trunc): Add spaces after commas in assembly output.
9719 2000-03-27 Richard Henderson <rth@cygnus.com>
9721 * i386-protos.h (ix86_match_ccmode): Declare.
9722 * i386.c (ix86_match_ccmode): New.
9723 (ix86_expand_fp_compare): Update for pattern renames.
9724 (ix86_expand_strlensi_unroll_1): Likewise.
9725 * i386.h (EXTRA_CC_MODES): Add CCZ.
9726 (SELECT_CC_MODE): Use it for EQ/NE zero.
9727 * i386.md (cmpsi_ccz_1): New.
9729 (*testsi_ccz_1): New.
9730 (testqi_ccz_1): New.
9731 (cmpsi_ccno_1): Rename from cmpsi_0.
9732 (testsi_ccno_1): Rename from testsi_1.
9733 (testqi_ccno_1): Rename from testqi_1.
9734 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
9735 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
9736 (*cmphi_0): Use ix86_match_ccmode.
9737 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
9738 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
9739 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
9740 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
9741 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
9742 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
9743 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
9744 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
9745 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
9746 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
9747 (appropriate peepholes): Likewise.
9748 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
9749 (*subsi_3, *subhi_3, *subqi_3): Remove.
9750 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
9751 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
9752 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
9753 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
9754 (x86_shift_adj_1): Use CCZ.
9755 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
9757 2000-03-27 Stan Cox <scox@cygnus.com>
9759 * resource.h (mark_resource_type): New.
9760 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
9761 find_free_register): Use mark_resource_type.
9762 (mark_set_resources): Change include_delayed_effects
9763 to mark_resource_type.
9764 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
9765 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
9766 Use mark_resource_type.
9768 2000-03-27 Richard Henderson <rth@cygnus.com>
9770 * i386.md (call_pop_0, call_value_pop_0): New.
9771 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
9772 (call_value_pop_1): Likewise.
9773 (call_0, call_value_0): New.
9774 (call_1, call_value_1): Remove constraint from unused arg.
9776 2000-03-27 Nick Clifton <nickc@cygnus.com>
9778 * invoke.texi (Spec Files): Document new spec % command created by
9779 Tom Tromey's recent patch.
9781 2000-03-27 Jakub Jelinek <jakub@redhat.com>
9783 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
9786 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9788 * expr.c (expand_assignment): Fix typo in last change.
9790 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
9792 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9794 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
9795 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
9796 and DECL_INLINE if FUNCTION_DECL.
9797 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
9798 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
9799 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
9800 (combine_parm_decls): Likewise.
9801 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
9802 * print-tree.c (print_node): Likewise.
9803 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
9804 DECL_TRANSPARENT_UNION on proper decl types.
9805 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
9806 * stor-layout.c (layout_decl): Only check DECL_PACKED and
9807 DECL_BIT_FIELD of FIELD_DECL.
9808 * tree.h (DECL_RESULT_FLD): New macro.
9810 * expr.c (expand_assignment): Add code to handle variable-sized
9813 2000-03-26 Richard Henderson <rth@cygnus.com>
9815 * calls.c (expand_call): Pass parms not original exp to
9816 optimize_tail_recursion. Mind return value instead of looking
9818 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
9819 call_expr. Move checks for call_expr and current_function_decl ...
9820 (expand_return): ... here.
9822 2000-03-26 Tom Tromey <tromey@cygnus.com>
9824 * gcc.c (handle_braces): Recognize `%{<S}' construct.
9825 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
9827 (process_command): Use them.
9828 (check_live_switch): Likewise.
9829 (give_switch): Skip ignored switches.
9831 2000-03-26 Jan Hubicka <jh@suse.cz>
9833 * jump.c (jump_optimize_1): Fix typo in elide optimizations
9834 for minimal jump pass test.
9836 2000-03-26 Mark Mitchell <mark@codesourcery.com>
9838 * integrate.c (function_cannot_inline_p): Do inline functions that
9841 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9843 * stor-layout.c (layout_type, set_sizetype): early_type_list is
9844 now a list of TREE_LIST entries, not types.
9845 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
9847 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
9848 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
9850 * config/mips/mips.c (function_arg): Likewise; also remove cast
9851 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
9852 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
9853 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
9854 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
9855 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
9856 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
9857 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
9858 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
9859 num_adjusts now unsigned.
9860 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
9861 * config/sparc/sparc.c (struct function_arg_record_value_parms):
9863 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
9864 as is BITPOS variable; use host_integerp and int_bit_position.
9865 (function_arg_record_value_2): Likewise.
9866 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
9867 Variable REGNO now unsigned.
9868 (function_arg_record_value): NREGS now unsigned.
9870 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
9872 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
9874 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9876 * Rework fields used to describe positions of bitfields and
9877 modify sizes to be unsigned and use HOST_WIDE_INT.
9878 * alias.c (reg_known_value_size): Now unsigned.
9879 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
9880 (really_start_incremental_init): Use bitsize_zero_node.
9881 (push_init_level, pop_init_level, output_init_element): Likewise.
9882 Use bitsize_unit_node and bitsize_one_node.
9883 (output_pending_init_elements, process_init_element): Likewise.
9884 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
9885 (make_extraction): Position and length HOST_WIDE_INT and unsigned
9886 HOST_WIDE_INT, respectively.
9887 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
9888 (num_sign_bit_copies): Returns unsigned.
9889 BITWIDTH now unsigned; rework arithmetic.
9890 Remove recursive call from arg to MAX.
9891 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
9892 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
9894 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
9895 (find_split_point, expand_compound_operation, make_extraction): LEN
9896 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
9897 (make_field_assignment): Likewise.
9898 (combine_simplify_rtx): Add cast.
9899 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
9900 (force_to_mode): WIDTH now unsigned; add cast.
9901 (if_then_else_cond): SIZE now unsigned.
9902 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
9903 (extended_count): Now returns unsigned.
9904 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
9905 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
9906 (simplify_comparison): MODE_WIDTH now unsigned.
9907 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
9908 (mark_used_regs_combine): Likewise; rework arithmetic.
9909 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
9910 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
9911 (record_promoted_value): REGNO now unsigned.
9912 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
9913 (get_last_value): REGNO now unsigned.
9914 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
9915 (reg_dead_regno, reg_dead_endregno): Now unsigned.
9916 (remove_death): Arg REGNO now unsigned.
9917 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
9918 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
9920 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
9921 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
9922 (struct cse_reg_info): REGNO now unsigned.
9923 (cached_regno): Now unsigned.
9924 (REGNO_QTY_VALID_P): Add cast.
9925 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
9926 (remove_invalid_regs): Likewise.
9927 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
9928 as are variables END and I.
9929 (get_cse_reg_info, insert): Likewise.
9930 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
9931 (canon_hash): Likewise.
9932 (insert_regs, lookup_for_remove): REGNO now unsigned.
9933 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
9935 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
9936 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
9937 * emit-rtl.c (subreg_realpart_p): Add cast.
9938 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
9939 (operand_subword_force): Arg I is now unsigned.
9940 * except.c (eh_regs): Variable I is now unsigned.
9941 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
9942 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
9943 length is unsigned HOST_WIDE_INT; likewise for internal variables.
9944 (store_split_bit_field, extract_fixed_bit_field): Likewise.
9945 (extract_split_bit_field, store_bit_field, extract_bit_field):
9947 * expr.c (store_constructor_fields, store_constructor, store_field):
9948 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
9949 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
9950 (do_jump): Likewise.
9951 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
9952 MAX_SIZE is now unsigned.
9953 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
9954 (emit_group_store): Likewise.
9955 (emit_move_insn): I now unsigned.
9956 (store_constructor): Use host_integerp, tree_low_cst, and
9958 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
9959 Rework all calculations to use trees and new fields.
9960 * expr.h (promoted_input_arg): Regno now unsigned.
9961 (store_bit_field, extract_bit_field): Adjust types of pos and size.
9962 (mark_seen_cases): Arg is HOST_WIDE_INT.
9963 * flow.c (verify_wide_reg_1): REGNO now unsigned.
9964 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
9965 precisions and alignments are unsigned.
9966 (optimize_bit_field_compare, fold_truthop): Likewise.
9967 (int_const_binop): Adjust threshold for size_int_type_wide call.
9968 (fold_convert): Likewise.
9969 (size_int_type_wide): Make table larger and fix thinko that only
9970 had half of table used.
9971 (all_ones_mask_p, fold): Precisions are unsigned.
9972 * function.c (put_reg_info_stack): REGNO is unsigned.
9973 (instantiate_decl): Size is HOST_WIDE_INT.
9974 (instantiate_virtual_regs): I is unsigned.
9975 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
9976 (promoted_input_arg): REGNO is unsigned.
9977 * function.h (struct function): x_max_parm_reg is now unsigned.
9978 * gcse.c (max_gcse_regno): Now unsigned.
9979 (struct null_pointer_info): min_reg and max_reg now unsigned.
9980 (lookup_set, next_set): REGNO arg now unsigned.
9981 (compute_hash_table): REGNO and I now unsigned.
9982 (handle_avail_expr): regnum_for_replacing now unsigned.
9983 (cprop_insn): REGNO now unsigned.
9984 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
9985 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
9986 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
9987 * hard-reg-set.h (reg_class_size): Now unsigned.
9988 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
9989 * jump.c (mark_modified_reg): I now unsigned; add cast.
9990 (rtx_equal_for_thread_p): Add cast.
9991 * loop.c (max_reg_before_loop): Now unsigned.
9992 (struct_movable): REGNO now unsigned.
9993 (try_copy_prop): REGNO arg unsigned.
9994 (regs_match_p): XN and YN now unsigned.
9995 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
9996 (strength_reduce): Likewise; NREGS also unsigned.
9997 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
9998 * loop.h (struct iv_class): REGNO now unsigned.
9999 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10001 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10002 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10003 * optabs.c (expand_binop): I and NWORDS now unsigned.
10004 (expand_unop): I now unsigned.
10005 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10006 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10007 * real.c (significand_size): Now returns unsigned.
10008 * real.h (significand_size): Likewise.
10009 * regclass.c (reg_class_size): Now unsigned.
10010 (choose_hard_reg_mode): Both operands now unsigned.
10011 (record_reg_classes): REGNO and NR now unsigned.
10012 (reg_scan): NREGS now unsigned.
10013 (reg_scan_update): old_max_regno now unsigned.
10014 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10015 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10016 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10017 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10018 Likewise for variable R.
10019 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10020 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10021 (find_equiv_reg): Add casts.
10022 (regno_clobbered_p): Arg REGNO now unsigned.
10023 * reload.h (struct reload): NREGS now unsigned.
10024 (refers_to_regno_for_reload_p): Regno args are unsigned.
10025 (regno_clobbered_p): Likewise.
10026 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10027 (compute_use_by_pseudos): REGNO now unsigned.
10028 (find_reg): I and J now unsigned, new variable K, and change loop
10029 variables accordingly; THIS_NREGS now unsigned.
10030 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10031 (spill_hard_reg): REGNO arg now unsigned; add casts.
10032 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10033 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10034 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10035 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10036 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10037 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10038 (emit_reload_insns): REGNO now unsigned.
10039 (reload_cse_move2add): Add cast.
10040 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10042 * resource.c (mark_referenced_resources, mark_set_resources): New
10043 variable R; REGNO and LAST_REGNO now unsigned.
10044 (mark_target_live_regs): J and REGNO now unsigned.
10045 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10046 * rtl.h (union rtunion_def): New field rtuint.
10047 (XCUINT): New macro.
10048 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10049 (operand_subword, operand_subword_force): Word number is unsigned.
10050 (choose_hard_reg_mode): Operands are unsigned.
10051 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10052 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10053 (regno_use_in, combine_instructions, remove_death): Likewise.
10054 (reg_scan, reg_scan_update): Likewise.
10055 (extended_count): Return is unsigned.
10056 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10057 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10058 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10059 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10060 (reg_reg_last_1): FIRS and LAST now unsigned.
10061 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10062 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10064 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10065 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10066 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10067 (replace_regs): Arg NREGS now unsigned.
10068 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10069 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10070 (simplify_binary_operation): Likewise.
10071 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10072 THIS_LAST now unsigned.
10073 (cselib_record_set): Add cast.
10074 * ssa.c (ssa_max_reg_num): Now unsigned.
10075 (rename_block): REGNO now unsigned.
10076 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10077 sizes now unsigned.
10078 (all_cases_count): Just return -1 not -2.
10079 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10080 Rework tests to use trees whenever possible.
10081 Use host_integerp and tree_low_cst.
10082 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10083 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10084 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10085 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10086 (smallest_mode_for_size): Likewise.
10087 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10088 KNOWN_ALIGN is now an alignment, so simplify code.
10089 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10090 (start_record_layout): Renamed from new_record_layout_info.
10091 Update to new fields.
10092 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10094 (place_union_field): Renamed from layout_union_field.
10095 Update to use new fields in rli.
10096 (place_field): Renamed from layout_field.
10097 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10098 (finalize_record_size): Rework to use new fields in rli and handle
10100 (compute_record_mode): Rework to simplify and to use new DECL fields.
10101 (finalize_type_size): Make rounding more consistent.
10102 (finish_union_layout): Deleted.
10103 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10104 (layout_type, case RECORD_TYPE): Call new function names.
10105 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10106 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10107 (get_best_mode): UNIT is now unsigned; remove casts.
10108 * tree.c (bit_position): Compute from new fields.
10109 (byte_position, int_byte_position): New functions.
10110 (print_type_hash_statistics): Cast to remove warning.
10111 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10112 (build_index_type): Likewise; make subtype of sizetype.
10113 (build_index_2_type): Pass sizetype to build_range_type.
10114 (build_common_tree_nodes): Use size_int and bitsize_int to
10115 initialize nodes; add bitsize_{zero,one,unit}_node.
10116 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10117 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10118 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10119 (DECL_FIELD_BITPOS): Deleted.
10120 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10121 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10122 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10123 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10124 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10125 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10126 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10127 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10128 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10129 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10130 (DECL_ALIGN): Adjust to new field in union.
10131 (DECL_OFFSET_ALIGN): New field.
10132 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10133 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10134 (union tree_decl): Add struct for both aligns.
10135 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10136 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10137 (struct record_layout_info): Rework fields to have offset
10138 alignment and byte and bit position.
10139 (start_record_layout, place_field): Renamed from old names.
10140 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10141 (byte_position, int_byte_position): Likewise.
10142 (get_inner_reference): Change types of position and length.
10143 * unroll.c (unroll_loop): New variable R; use for some loops.
10144 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10145 (calculate_giv_inc): Arg REGNO now unsigned.
10146 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10147 * varasm.c (assemble_variable): Clean up handling of size using
10148 host_integerp and tree_low_cst.
10149 (decode_addr_const): Use byte, not bit, position.
10150 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10151 use tree_low_cst and int_bit_position.
10152 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10154 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10156 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10157 (reorder_block_def): New members eff_head and eff_end.
10158 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10159 (verify_insn_chain): New function.
10160 (skip_insns_between_block): Add code to skip deleted insns.
10161 Check for note before using.
10162 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10163 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10164 Check for note before using.
10165 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10166 (fixup_reorder_chain): Restructure, clean up, defect removal.
10167 (reorder_basic_blocks): Remove last_insn and references to it.
10168 Moved insn chain verification code into a new function (see above).
10169 Delete defective code that sets last insn.
10170 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10173 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10175 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10177 2000-03-24 Richard Henderson <rth@cygnus.com>
10179 * tree.c (lang_safe_for_unsave): Remove.
10180 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10181 allowing for two levels of unsafeness. Remove lang hook.
10182 * tree.h: Update declarations.
10183 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10184 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10185 Always fail sibcalls when there are pending cleanups.
10187 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10189 * flow.c (propagate_block): When we delete an ADDR_VEC,
10190 also delete the BARRIER following it if there is one.
10192 2000-03-24 Richard Henderson <rth@cygnus.com>
10194 * builtins.c (expand_builtin_bzero): Convert `length' argument
10197 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10199 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10200 comparison if regno's are equal.
10201 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10202 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10203 (expand_call): Update caller.
10204 Avoid making a sibling call if argument size of the callee is larger
10205 than argument size of the caller.
10206 Call hard_function_value with outgoing set if in sibcall pass.
10207 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10209 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10210 Change LEAF_REGISTERS from an array initializer to actual array
10211 identifier. Move static global variable into the function.
10212 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10213 sequences for leaf functions.
10214 * global.c (global_alloc): Likewise.
10215 * tm.texi (LEAF_REGISTERS): Update documentation.
10217 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10218 TARGET_FLAT leaf disabling hack.
10219 (LEAF_REGISTERS): Changed from an array initializer to actual array
10220 identifier to avoid duplication and remove the above hack.
10221 (FUNCTION_OK_FOR_SIBCALL): Define.
10222 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10223 always like call attribute.
10224 (eligible_for_sibcall_delay): New attribute.
10225 (sibcall): New delay type.
10226 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10227 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10228 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10229 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10230 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10232 (output_function_epilogue): Move part of the code into
10233 output_restore_regs.
10234 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10236 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10239 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10240 until infrastructure is finished.
10242 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10244 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10245 (save_parm_insns): Not here.
10247 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10249 * builtins.c (expand_builtin_bzero): New function.
10250 (expand_builtin): Handle bzero.
10252 * builtins.def: Add BUILT_IN_BZERO.
10254 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10255 prototype & function for bzero.
10257 2000-03-23 Michael Meissner <meissner@redhat.com>
10259 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10260 change adding TARGET_FP to the TF floating point insns, except for
10261 trunctfsf2, which generates direct calls to truncdfsf2.
10263 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10265 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10266 try to protect against middle-end changes that break binary
10268 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10270 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10272 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10274 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10276 * calls.c (expand_call): If TARGET is passed by reference and
10277 is readonly, write a CLOBBER.
10279 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10281 * builtins.c (expand_builtin): Handle bcmp.
10283 * builtins.def: Add BUILT_IN_BCMP.
10285 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10286 prototype & function for bcmp.
10288 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10290 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10291 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10292 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10294 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10296 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10297 alternative when using -fp64 -gp32.
10299 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10301 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10302 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10303 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10305 * frame.h (frame_state): Revert last change.
10306 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10307 * libgcc2.c (throw_helper): Revert last change.
10309 2000-03-22 Richard Henderson <rth@cygnus.com>
10311 * stmt.c (expand_asm_operands): Don't promote the temporary.
10313 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10315 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10316 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10317 c_get_alias_set): Likewise.
10318 * c-decl.c (duplicate_decls): Likewise.
10319 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10320 * calls.c (initialize_argument_information): Likewise.
10321 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10323 * dwarfout.c (decl_class_context,output_type): Likewise.
10324 * expr.c (get_inner_reference): Likewise.
10325 * fold-const.c (simple_operand_p,fold): Likewise.
10326 * function.c (aggregate_value_p): Likewise.
10327 * stmt.c (expand_asm_operands): Likewise.
10328 * varasm.c (named_section): Likewise.
10330 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10332 Implement dwarf2 exception handling for the ARM.
10333 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10334 (DWARF_FRAME_RETURN_COLUMN): Define.
10335 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10336 REG_FRAME_RELATED_EXPR note.
10337 (emit_sfm): Likewise.
10338 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10339 * dwarf2out.c (reg_save): Handle saving a register to itself.
10340 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10341 * except.c (eh_regs): Don't use the static chain reg if it's
10343 * frame.h (frame_state): Add cfa_saved field.
10344 * frame.c (execute_cfa_insn): Set it.
10345 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10347 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10349 (instantiate_virtual_regs): Adjust.
10351 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10352 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10353 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10355 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10356 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10358 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10360 * builtins.def: New file.
10362 * Makefile.in (TREE_H): Depend on builtins.def.
10364 * builtins.c (built_in_names): Use builtins.def.
10366 * tree.h (built_in_function): Likewise.
10368 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10370 * tree.c (size_in_bytes): Return size_zero_node, not
10373 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10375 * config/fp-bit.c (pack_d): Correct the case when a denormal
10376 is rounded up and stops being denormal.
10378 2000-03-21 Richard Henderson <rth@cygnus.com>
10380 * config/alpha/alpha.c (function_arg): Check for void_type_node
10381 before using MUST_PASS_IN_STACK.
10383 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10385 * regmove.c (combine_stack_adjustments_for_block): Check that
10386 the stack pointer is a valid memory address.
10388 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10390 * calls.c: re-install Mar 16 emit_library_call merge.
10392 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10394 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10395 we cannot be sure that if reload_completed base register will
10396 be properly aligned.
10398 2000-03-21 Richard Henderson <rth@cygnus.com>
10400 * flow.c (delete_block): Fix typo last change.
10402 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10404 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10405 not COMPLETE_TYPE_P, to check the type of the expression.
10407 2000-03-21 Michael Meissner <meissner@redhat.com>
10409 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10410 all floating point insns that just tested the macro
10411 TARGET_HAS_XFLOATING_LIBS.
10412 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10413 used to only use the gprs.
10415 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10417 * tree.h (COMPLETE_TYPE_P): New macro.
10418 (COMPLETE_OR_VOID_TYPE_P): New macro.
10419 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10420 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10421 * c-aux-info.c (gen_type): Use them.
10422 * c-common.c (c_expand_expr_stmt): Likewise.
10423 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10424 grokdeclarator, grokparms, finish_struct, start_function,
10425 store_parm_decls, combine_parm_decls): Likewise.
10426 * c-parse.y (cast_expr): Likewise.
10427 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10428 c_size_in_bytes, c_alignof, build_component_ref,
10429 build_indirect_ref, build_array_ref, convert_arguments,
10430 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10431 * calls.c (initialize_argument_information): Likewise.
10432 * convert.c (convert_to_integer): Likewise.
10433 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10434 * dwarfout.c (location_or_const_value_attribute,
10435 output_enumeration_type_die, output_structure_type_die,
10436 output_union_type_die, output_type): Likewise.
10437 * expr.c (safe_from_p, expand_expr): Likewise.
10438 * function.c (assign_parms): Likewise.
10439 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10440 * tree.c (build_array_type, build_function_type,
10441 build_method_type, build_offset_type, build_complex_type): Likewise.
10442 * c-parse.c, c-parse.h: Regenerated.
10444 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10446 * config/c4x/rtems.h: Include config/rtems.h.
10448 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10450 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10451 decl is a FUNCTION_DECL
10453 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10455 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10456 function uses output registers. Don't save RP for leaf functions.
10457 Do save RP even if no epilogue.
10458 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10459 (CALL_USED_REGISTERS): Unmark in registers.
10460 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10461 to near the middle.
10463 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10465 * config/rs6000/rs6000.md (bunordered): New expander.
10466 (bordered): New expander.
10467 (buneq): New expander.
10468 (bunge): New expander.
10469 (bungt): New expander.
10470 (bunle): New expander.
10471 (bunlt): New expander.
10472 (bltgt): New expander.
10474 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10475 (ccr_bit_negated_p): New function.
10476 (print_operand): For %C, generate appropriate cror for UNEQ,
10477 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10479 2000-03-20 Andreas Jaeger <aj@suse.de>
10481 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10484 * tree.h (safe_for_unsave): Prototype.
10486 2000-03-20 Richard Henderson <rth@cygnus.com>
10488 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10489 (combine_stack_adjustments_for_block): Don't allow sp references
10490 in the side of a set we're not fixing up.
10491 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10492 after life_analysis.
10494 2000-03-20 Richard Henderson <rth@cygnus.com>
10496 * calls.c (expand_call): Don't bother generating tail call
10497 sequences if there are pending cleanups. Use
10498 expand_start_target_temps/expand_end_target_temps to elide
10499 cleanups created during sibcall expansion.
10501 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10503 * configure.in: Set $IFS to a value if it doesn't already have one
10504 in the --enable-checking handling.
10505 * configure: Regenerate.
10507 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10509 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10510 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10513 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10515 * jump.c (delete_noop_moves): Remove code attempting to
10516 combine stack adjustments.
10518 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10520 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10521 * except.c (emit_cleanup_handler): Use them.
10522 (expand_end_all_catch): Likewise.
10523 * function.c (fixup_var_refs): Likewise.
10524 (expand_function_end): Clear catch_clauses_last.
10525 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10526 * except.h (struct eh_status): New field x_catch_clauses_last.
10527 (catch_clauses_last): New define.
10529 * Makefile.in (tree.o): Depend on HASHTAB_H.
10530 * tree.c: Include hashtab.h.
10531 (struct type_hash): Remove next field.
10532 (TYPE_HASH_SIZE): Remove.
10533 (TYPE_HASH_INITIAL_SIZE): New define.
10534 (type_hash_table): Change type to htab_t.
10535 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10536 mark_hash_entry): New functions.
10537 (init_obstacks): Allocate type hash.
10538 (type_hash_lookup): Use htab functions.
10539 (type_hash_add, mark_type_hash): Likewise.
10540 (dump_tree_statistics): Call print_type_hash_statistics.
10542 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10544 * rs6000/t-aix41: New file.
10546 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10548 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10550 * tm.texi (Driver): Fix typos and tweak entry for
10552 Move misplaced STRUCT_FORCE_BLK entry ...
10553 (Storage Layout): ... to here.
10554 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
10556 2000-03-19 Richard Henderson <rth@cygnus.com>
10558 * flow.c (delete_block): Delete the addr_vec along with the block.
10559 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
10562 * fold-const.c (extract_muldiv): Apply type check for defined
10563 overflow to multiply as well as divide.
10565 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
10567 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10569 * emit-rtl.c (remove_unncessary_notes): Check that all
10570 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
10571 associated NOTE_BLOCK.
10572 * function.h (identify_blocks): Update comments.
10573 (reorder_blocks): Declare.
10574 * function.c (identify_blocks): Don't take paramters.
10575 (reorder_blocks): Don't take parameters.
10576 * loop.h (find_loop_tree_blocks): Remove.
10577 (unroll_block_trees): Likewise.
10578 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
10579 reorder_blocks instead of unroll_block_trees.h
10580 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
10581 * stmt.c (find_loop_tree_blocks): Remove.
10582 (unroll_block_trees): Likewise.
10583 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
10584 in whole-function mode.
10585 * tree.h (reorder_blocks): Remove declaration.
10587 * expr.c: Include intl.h.
10588 * Makefile.in (expr.o): Depend on intl.h.
10590 2000-03-18 Richard Henderson <rth@cygnus.com>
10592 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
10594 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10596 * tree.h (tree_index): Remove enumerals for integer types.
10597 (integer_type_kind): New type.
10598 (integer_types): New variable.
10599 (char_type_node): Adjust.
10600 (signed_char_type_node): Likewise.
10601 (unsigned_char_type_node): Likewise.
10602 (short_integer_type_node): Likewise.
10603 (short_unsigned_type_node): Likewise.
10604 (integer_type_node): Likewise.
10605 (unsigned_type_node): Likewise.
10606 (long_integer_type_node): Likewise.
10607 (long_unsigned_type_node): Likewise.
10608 (long_long_integer_type_node): Likewise.
10609 (long_long_unsigned_type_node): Likewise.
10610 * tree.c (integer_types): New variable.
10611 (init_obstacks): Register it as a root.
10613 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
10615 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
10616 NEXT_INSN. Update last insn in chain.
10618 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
10620 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
10621 with TYPE_DECL_SUPPRESS_DEBUG set.
10623 2000-03-18 Richard Henderson <rth@cygnus.com>
10625 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
10627 2000-03-18 Richard Henderson <rth@cygnus.com>
10629 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
10630 care for HALF_PIC_P.
10631 (expander_call_insn_operand): Remove.
10632 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
10633 * i386.h (PREDICATE_CODES): Update.
10634 * i386.md (all call expanders): Remove predicates, remove special
10635 handling for half-pic.
10636 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
10637 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
10638 (sibcall_epilogue): New.
10640 2000-03-17 Richard Henderson <rth@cygnus.com>
10642 * rtlanal.c (single_set): Reject if the parallel has anything
10643 except SET or USE or CLOBBER.
10645 2000-03-17 Jeff Law <law@cygnus.com>
10646 Richard Henderson <rth@cygnus.com>
10648 * Makefile.in (OBJS): Add sibcall.o.
10650 * sibcall.c: New file.
10651 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
10652 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
10653 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
10654 Emit sibcall patterns when requested. Update all callers.
10655 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
10656 elimination seems feasable.
10657 * final.c (leaf_function_p): Sibling calls don't discount being
10659 * flow.c (HAVE_sibcall_epilogue): Provide default.
10660 (find_basic_blocks_1): Sibling calls don't throw.
10661 (make_edges): Make edge from sibling call to EXIT.
10662 (propagate_block): Don't remove sibcall_epilogue insns.
10663 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
10664 (sibcall_epilogue): New.
10665 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
10666 (identify_blocks_1): Likewise. Break out from ...
10667 (identify_blocks): ... here.
10668 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
10669 (reorder_blocks): ... here.
10670 (init_function_for_compilation): Zap prologue/epilogue as varrays.
10671 (record_insns): Extend a varray instead of mallocing new memory.
10672 (contains): Read a varray not array of ints.
10673 (sibcall_epilogue_contains): New.
10674 (thread_prologue_and_epilogue_insns): Emit and record
10675 sibcall_epilogue patterns.
10676 (init_function_once): Allocate prologue/epilogue varrays.
10677 * genflags.c (gen_insn): Treat sibcall patterns as calls.
10678 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
10679 Broken out from ...
10680 (save_for_inline_nocopy): ... here.
10681 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
10682 Broken out from ...
10683 (expand_inline_function): ... here.
10684 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
10685 (subst_constants): Handle 'n' formats.
10686 * jump.c (jump_optimize_minimal): New.
10687 (jump_optimize_1): New arg `minimal'; update callers. Elide most
10688 optimizations if it's set.
10689 * rtl.c (copy_rtx): Do copy jump & call for insns.
10690 * rtl.h (struct rtx_def): Document use of jump and call for insns.
10691 (SIBLING_CALL_P): New.
10692 (sibcall_use_t): New.
10693 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
10694 Invoke optimize_sibling_and_tail_recursive_calls.
10695 * tree.c (lang_safe_for_unsave): New.
10696 (safe_for_unsave): New.
10697 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
10699 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
10700 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
10701 (*sibcall_osf_1, *sibcall_value_osf_1): New.
10703 2000-03-17 Mark Mitchell <mark@codesourcery.com>
10705 * objc/objc-act.c (encode_method_prototype): Pass types, not
10706 PARM_DECLs, to int_size_in_bytes.
10708 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
10710 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
10712 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10713 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
10715 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10717 * Clean up usages of TREE_INT_CST_LOW.
10718 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
10719 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10721 * c-tree.h (min_precision): Move declaration to here.
10722 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
10723 (build_unary_op, add_pending_init): Use bit_position.
10724 (pending_init_member, process_init_element): Likewise.
10725 (really_start_incremental_init, push_init_level, pop_init_level):
10726 Don't make copies of nodes or modify them in place, use consistent
10727 types when tracking positions, and use tree routines computations.
10728 (set_init_index, output_init_element): Likewise.
10729 (output_pending_init_elements, process_init_element): Likewise.
10730 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
10731 tree_low_cst and int_bit_position; also minor cleanup.
10732 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
10733 (print_cst_octal): Precision is unsigned.
10734 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
10735 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
10736 (simple_type_align_in_bits): Result is unsigned int.
10737 Use tree_int_low_cst and host_integerp.
10738 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
10739 (field_byte_offset): Result is HOST_WIDE_INT.
10740 Change types of internal variables so alignments are unsigned int,
10741 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
10742 Use host_integerp, tree_low_cst, and int_bit_position.
10743 (add_bit_offset_attribute): Likewise.
10744 (add_data_member_location_attribute): Use tree_cst_low.
10745 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
10746 (add_bit_size_attribute): Use tree_low_cst.
10747 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
10748 * dwarfout.c: Similar changes to dwarf2out.c.
10749 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
10750 * genoutput.c (n_occurences): Return -1 for null string.
10751 (strip_whitespace): Accept null string and make into function.
10752 (scan_operands): Reflect above changes.
10753 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
10754 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
10755 * ssa.c (rename_registers): Add missing cast of arg to bzero.
10756 * tree.c (int_size_in_bytes): Check for too big to represent.
10757 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
10758 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
10760 (min_precision): Delete from here.
10761 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
10762 and int_bit_position.
10763 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
10764 (encode_method_def): Likewise.
10765 (build_ivar_list_initializer): Use int_bit_position.
10766 (generate_shared_structures): Convert size.
10767 (encode_type, encode_complete_bitfield): Use integer_zerop.
10768 (encode_bitfield): Use tree_low_cst and int_bit_position.
10770 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10772 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
10774 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10776 * call.c (special_function_p): It is only malloc if it returns
10779 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10781 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
10782 (C33_FLAG, TARGET_C3X): Add macros.
10783 (TARGET_SWITCHES): Add -m33 option.
10784 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
10786 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10788 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
10789 (PARALLEL_PACK_FLAG): Delete.
10790 (TARGET_SWITCHES): Update.
10791 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
10793 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10795 * fold-const.c (fold): Fix a few cases when the returned result
10796 is not of the same type as the input.
10798 2000-03-16 Nick Clifton <nickc@cygnus.com>
10800 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
10803 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10805 * libgcc2.h: Move prototypes above macros with the same name.
10806 Wrap some function prototypes in the conditional which indicates
10807 whether they are supported, i.e. "BITS_PER_UNIT == 8".
10809 2000-03-16 Richard Henderson <rth@cygnus.com>
10811 * calls.c: Revert last two changes.
10813 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
10815 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
10816 has exponent 0 is a zero.
10818 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
10819 HASH may already be nonzero. Add code/mode into hash value
10820 immediately after repeat label.
10821 (cselib_lookup): Don't leave the hash table in an inconsistent
10822 state before a hash lookup operation.
10824 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
10826 * i386.md (all HI and QI mode non-move patterns): Conditionize
10827 by TARGET_[HQ]IMODE_MATH.
10828 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10829 x86_promote_qi_regs): Declare.
10830 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
10831 TARGET_PROMOTE_QI_REGS): New macros.
10832 (PROMOTE_MODE): New macro.
10833 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10834 x86_promote_qi_regs): New global variables.
10836 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
10838 * calls.c (emit_library_call_value_1): Break out from ...; handle
10839 VOIDmode function calls too.
10840 (emit_library_call_value): ... here.
10841 (emit_library_call): Implement by calling emit_library_call_value_1.
10843 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
10845 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
10846 Update arg_space_so_far on stack adjustments.
10847 (emit_library_call, emit_library_call_value): Likewise; take into
10848 account arg_space_so_far and pending_stack_adjust when calculcating
10851 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
10853 * flow.c: Move all basic block reordering code into its own file.
10854 (create_basic_block): Externalize.
10855 * bb-reorder.c: New file. Copy all basic block reordering code from
10856 flow.c to this file.
10857 (reorder_basic_blocks): Fix fencepost error in for-loop.
10858 (reorder_basic_blocks): Remove braces from single statement for-loops.
10859 * basic-block.h: Add declaration for create_basic_block.
10860 * Makefile.in: Add rules for bb-reorder.o.
10862 2000-03-16 Neil Booth <NeilB@earthling.net>
10864 * cppinit.c (handle_option): Implement #unassert directive
10865 as -A- command line option.
10866 (print_help): Update.
10867 * cpptexi.c: Update.
10869 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
10871 * md.texi (Standard Names): Document `jump'.
10873 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10875 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
10878 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10880 Merge changes from newppc-branch onto trunk.
10882 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10884 * rs6000.c (toc_hash_table): Update for new hash table functions.
10885 (toc_hash_function): Likewise.
10886 (toc_hash_eq): Likewise.
10887 (toc_hash_mark_entry): Likewise.
10888 (toc_hash_mark_table): Likewise.
10889 (output_toc): Likewise.
10890 (rs6000_add_gc_roots): Likewise.
10892 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10894 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
10895 (AR_FLAGS_FOR_TARGET): here. New macro.
10897 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
10899 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
10900 fpmem_operand) Delete.
10902 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
10903 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
10904 (rs6000_save_machine_status, rs6000_restore_machine_status,
10905 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
10906 references to above variables.
10907 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
10908 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
10909 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
10910 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
10911 (XER_REGNO_P, XER_REGNO): New.
10912 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
10913 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
10914 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
10916 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
10917 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
10918 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
10920 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10922 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
10923 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
10924 * rs6000.h: from here.
10926 * rs6000-protos.h (rs6000_select_section): Provide prototype.
10927 (rs6000_select_rtx_section): Likewise.
10928 (rs6000_encode_section_info): Likewise.
10929 (sdata_section): Likewise.
10930 (sdata2_section): Likewise.
10931 (sbss_section): Likewise.
10932 * sysv4.h (rs6000_select_section): Delete prototype.
10933 (rs6000_select_rtx_section): Likewise.
10934 (rs6000_encode_section_info): Likewise.
10935 (sdata_section): Likewise.
10936 (sdata2_section): Likewise.
10937 (sbss_section): Likewise.
10938 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
10940 * sysv4.h: Delete various unnecessary #undef's and put a comment
10941 on the remaining ones.
10942 Change various comments according to coding standard.
10944 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
10946 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
10947 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
10948 (CR0_REGNO_P) Remove.
10949 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
10950 setup_incoming_varargs, mtcrf_operation, print_operand,
10951 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
10952 Use the above macros.
10954 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
10956 * config/rs6000/rs6000.md: Added a new alternative for each
10957 pattern that had a 'x' alternative but no 'y' alternative.
10958 Added a new split for each of the above patterns.
10960 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10962 * aix41.h (ASM_CPU_SPEC): Delete.
10963 (CPP_CPU_SPEC): Delete.
10965 * aix.h (RS6000_OUTPUT_BASENAME): Define.
10966 (ASM_OUTPUT_LABEL): Define.
10967 (ASM_GLOBALIZE_LABEL): Define.
10968 (STRIP_NAME_ENCODING): Define.
10969 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
10970 (STRIP_NAME_ENCODING): Don't define.
10971 (ASM_OUTPUT_LABEL): Don't define.
10972 (ASM_GLOBALIZE_LABEL): Don't define.
10973 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
10974 names, and ASM_OUTPUT_LABEL to output labels, rather than
10976 (ASM_OUTPUT_LABEL): Define.
10977 (ASM_OUTPUT_INT): Use assemble_name.
10978 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
10979 (STRIP_NAME_ENCODING): Don't undefine first.
10980 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
10982 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
10983 specified with 'asm' even with -fleading-underscore.
10984 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
10985 (output_epilog): Likewise.
10986 (output_toc): Likewise.
10987 * tramp.asm: Handle -fleading-underscore correctly.
10989 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
10991 (nonlocal_goto_receiver): Delete.
10992 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
10994 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
10995 (SET_ASM_OP): Define.
10996 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
10998 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
10999 (ASM_LONG): Define.
11001 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11002 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11004 * rs6000.h: Add 'u' to more constants.
11006 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11008 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11010 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11012 * rs6000.c (reg_or_u_cint_operand): New function.
11013 (logical_operand): Handle 64-bit hosts.
11014 (logical_u_operand): New function.
11015 (non_logical_cint_operand): Handle 64-bit hosts.
11016 (non_logical_u_cint_operand): New function.
11017 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11018 (PREDICATE_CODES): Define new functions.
11019 * rs6000-protos.h: Declare new functions.
11020 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11021 (movdi_64): Bracket code intended for 64-bit hosts. Create
11022 CONST_DOUBLE for 32-bit values.
11023 (scc insns): Generate DImode compares.
11024 (mfcr insns): Create DImode versions.
11025 (sge matchers): New patterns.
11027 2000-02-15 Gabriel Paubert <paubert@iram.es>
11029 * rs6000.md: Correct instructions length attributes and
11030 constraints on unsigned compare instructions.
11031 (*ne0): Disable for PowerPC64.
11033 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11035 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11036 quantity, fix profile1.C test failure under -fPIC.
11038 * rs6000.c: Add 'u' to many constants to suppress warnings.
11039 (constant_pool_expr_1): Make static.
11040 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11041 * rs6000.h: Add 'u' to many constants to suppress warnings.
11043 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11044 for the start of the TOC, instead of LCTOC..0.
11045 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11047 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11048 (load_toc_aix_di): Use LCTOC..1.
11050 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11051 * rs6000.c (rs6000_legitimize_address): New function from
11052 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11053 symbols in the constant pool that really are TOC references.
11054 (print_operand_address): For ELF, write TOC offsets under
11055 -fPIC as subtractions in the insn.
11056 (output_toc): For ELF, define symbols in TOC as normal labels,
11058 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11059 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11060 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11061 * rs6000.md (movsi): Only use create_TOC_reference on
11062 symbols in the constant pool that really are TOC references.
11064 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11065 * rs6000.c (rs6000_reorg): Delete.
11066 * rs6000-protos.h (rs6000_reorg): Delete.
11068 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11070 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11072 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11073 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11074 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11075 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11076 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11077 rs6000_aix_emit_builtin_unwind_init.
11078 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11079 rs6000_emit_eh_toc_restore on AIX.
11080 (return_eh_si): Use r2.
11081 (return_eh_di): Use r2.
11083 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11084 since we're breaking binary compatibility anyway.
11086 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11088 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11089 constant_pool_expr_p): Declare them.
11090 (constant_pool_expr_p): Declare it.
11091 * config/rs6000/rs6000.c (toc_label_name): Define.
11092 (rs6000_override_options): Set toc_label_name.
11093 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11094 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11095 uses_TOC): New functions.
11096 (print_operand): Delete old '*' case.
11097 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11098 and strip off rtl for TOC before calling output_addr_const.
11099 (rs6000_emit_load_toc_table): Use toc_label_name.
11100 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11102 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11103 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11104 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11105 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11106 into explicit TOC_REGISTER offsets.
11107 (TOC_REGISTER): New macro.
11108 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11109 TARGET_TOC to reference TOC_REGISTER.
11110 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11111 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11112 uses_TOC before emitting label references.
11114 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11116 * rs6000.md (stack_tie): Fix warning.
11118 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11119 to handle -fleading-underscore.
11120 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11121 (USER_LABEL_PREFIX): New macro.
11122 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11123 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11124 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11125 call-linux can use the same multilibs.
11126 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11127 and call-linux multilibs. Do multilib with -fleading-underscore.
11128 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11129 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11132 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11133 have MASK_SOFT_FLOAT set.
11134 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11135 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11136 CPP_FLOAT_DEFAULT_SPEC.
11138 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11139 * rs6000.md: Whitespace change.
11140 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11141 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11143 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11145 * rs6000.md (eh_epilogue): New expander.
11146 (eh_reg_restore): New expand/split/insn combination.
11147 (return_eh_si): New insn.
11148 (return_eh_di): New insn.
11150 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11151 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11152 * eabi-ctors.c (__do_global_ctors): Register this object's
11153 frame. Clean up. Call atexit() after the constructors.
11154 (__do_global_dtors): Deregister this object's frame. Clean up.
11155 Allow for recursive calls to exit().
11156 * rs6000.c (fixuplabelno): New variable.
11157 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11158 TARGET_RELOCATABLE, it slows down exec() under linux.
11159 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11161 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11162 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11163 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11164 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11165 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11166 (ASM_OUTPUT_DWARF_ADDR): New macro.
11167 (ASM_OUTPUT_DWARF_DATA4): New macro.
11168 (ASM_OUTPUT_DWARF_DATA2): New macro.
11169 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11170 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11171 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11173 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11175 * rs6000.c (rs6000_sr_alias_set): New variable.
11176 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11177 (rs6000_emit_stack_tie): New function.
11178 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11179 in a way that dwarf2out can understand.
11180 (rs6000_frame_related): New function.
11181 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11182 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11183 Use rs6000_emit_stack_tie when needed.
11184 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11185 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11186 * rs6000.md (stack_tie): New insn.
11187 (return_internal_si): Allow return value to be in the count
11189 (return_internal_di): Likewise.
11191 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11193 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11195 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11197 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11199 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11201 * rs6000.md (stmw): Use the right POWER opcode.
11204 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11206 * rs6000-protos.h: New file.
11208 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11210 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11213 * sysv4.h: Likewise.
11215 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11217 * ../../configure.in: Delete powerpcle-*-winnt*
11218 and powerpcle-*-pe|powerpcle-*-cygwin*.
11219 * ../../configure: Regenerated.
11220 * cygwin.h: Delete.
11221 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11222 (TARGET_WINDOWS_NT): Delete.
11224 (CALL_NT_DLLIMPORT): Delete.
11225 Delete NT-specific code.
11226 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11227 * win-nt.h: Delete.
11229 * nt-ci.asm: Delete.
11230 * nt-cn.asm: Delete.
11231 * ntstack.asm: Delete.
11233 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11235 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11236 (ASM_FILE_START): Likewise.
11237 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11238 (ASM_OUTPUT_LABELREF): Likewise.
11239 (ASM_OUTPUT_SKIP): Likewise.
11240 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11241 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11242 (ASM_OUTPUT_CASE_LABEL): Likewise.
11243 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11244 (ASM_OUTPUT_ASCII): Likewise.
11246 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11248 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11249 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11250 increment rs6000_pic_labelno here.
11251 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11252 and increment rs6000_pic_labelno here.
11254 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11256 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11257 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11258 allocation knows (reg) is dead before the insn.
11260 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11262 * rs6000.md (movsi_to_cr): Correct typo in output template.
11264 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11266 * rs6000.c (rs6000_pic_labelno): Always define.
11267 (rs6000_pic_func_labelno): Delete.
11268 (lmw_operation): Check for a zero base register,
11269 which doesn't mean what we want.
11270 (stmw_operation): New function.
11271 (print_operand): Define new 'l' modifier.
11272 (rs6000_stack_info): We must save all 64 bits of the registers
11273 if TARGET_POWERPC64.
11274 (rs6000_output_load_toc_table): Delete.
11275 (rs6000_emit_load_toc_table): New function.
11276 (rs6000_allocate_stack_space): Delete.
11277 (rs6000_emit_allocate_stack): New function.
11278 (rs6000_emit_prologue): New function.
11279 (output_prolog): Use rs6000_emit_prologue.
11280 (rs6000_emit_epilogue): Change a few variable names to be
11281 more accurate. Restore all 64 bits of the registers if
11282 TARGET_POWERPC64. Only restore the FP registers which were used
11283 if they are being saved/restored one-at-a-time.
11284 (output_mi_thunk): Delete inefficient code generation.
11285 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11286 * rs6000.h: Declare rs6000_emit_load_toc_table,
11287 rs6000_allocate_stack_space, stmw_operation. Don't declare
11288 rs6000_output_load_toc_table.
11289 * rs6000.md (elf_high): Allow register 0, but discourage it
11291 (elf_low): Support loading into register 0.
11292 (load_toc_aix_si): New pattern.
11293 (load_toc_aix_di): New pattern.
11294 (load_toc_v4_pic_si): New pattern.
11295 (load_toc_v4_pic_di): New pattern.
11296 (load_toc_v4_PIC_1): New pattern.
11297 (load_toc_v4_PIC_1b): New pattern.
11298 (load_toc_v4_PIC_2): New pattern.
11299 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11300 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11301 (prologue): New expander.
11302 (movesi_from_cr): New pattern.
11303 (stmw): New pattern.
11304 (save_fpregs_si): New pattern.
11305 (save_fpregs_di): New pattern.
11307 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11309 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11314 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11316 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11318 (movsi_got_internal): Likewise.
11319 (movsi_got_internal+1): Likewise.
11320 (set_sp): 'unspec 7' does a SImode clobber.
11322 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11324 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11325 allocate a stack temporary.
11326 (floatsidf2_internal): Likewise.
11327 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11329 (floatunssidf2): Don't use the fpmem "register", just
11330 allocate a stack temporary.
11331 (floatunssidf2_internal): Likewise.
11332 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11334 (floatsidf2_loadaddr): Delete.
11335 (floatsidf2_store1): Delete.
11336 (floatsidf2_store2): Delete.
11337 (floatsidf2_load): Delete.
11338 (fix_truncdfsi2): Don't use the fpmem "register", just
11339 allocate a stack temporary.
11340 (fix_truncdfsi2_internal_si): Delete.
11341 (fix_truncdfsi2_internal_di): Delete.
11342 (fix_truncdfsi2_internal): New insn.
11343 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11344 (fix_truncdfsi2_store): Delete.
11345 (fix_truncdfsi2_load): Delete.
11346 (fctiwz): Produce gen_fctiwz.
11348 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11350 * eabi.h (INVOKE__main): Define.
11351 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11353 (rs6000_emit_prologue): Likewise.
11354 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11355 this is the main program.
11357 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11359 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11361 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11363 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11364 goes after the argument.
11366 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11368 * rs6000.md: Document 'unspec' values used.
11369 (epilogue): New expander.
11370 (movesi_to_cr_one): New expander.
11371 (movesi_to_cr and following): New pattern.
11372 (lmw): New pattern.
11373 (return_internal_si): New pattern.
11374 (return_internal_di): New pattern.
11375 (return_and_restore_fpregs_si): New pattern.
11376 (return_and_restore_fpregs_di): New pattern.
11377 * rs6000.h: Declare new functions.
11378 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11379 rather than rs6000_calls_p.
11380 (rs6000_makes_calls): Delete.
11381 (lmw_operation): New function.
11382 (mtcrf_operation): New function.
11383 (rs6000_emit_epilogue): New function.
11384 (output_epilog): Call rs6000_emit_epilogue and final if
11385 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11387 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11389 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11390 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11391 * aix.h (SUBTARGET_SWITCHES): Document switches.
11392 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11393 sched-prolog and sched-epilog the same. Document all the
11395 (TARGET_OPTIONS): No longer allow -mdebug-.
11397 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11399 * rs6000.h (ASM_FILE_END): Move to aix.h.
11400 (EXTRA_SECTIONS): Move to aix.h.
11401 (READONLY_DATA_SECTION): Move to aix.h.
11402 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11403 (SELECT_SECTION): Move to aix.h.
11404 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11405 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11406 (LINK_REGISTER_REGNUM): New definition.
11407 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11408 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11410 * sysv4.h: Delete the code between the inclusion of rs6000.h
11412 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11413 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11414 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11415 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11416 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11417 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11418 (fix_truncdfsi2_internal_di): New pattern.
11419 (fix_truncdfsi2_store): The second arg here is Pmode too.
11420 (fix_truncdfsi2_load): The second arg here is Pmode too.
11421 (tablejumpdi): Now that switch tables hold only SImode values,
11422 gcc needs to know how to add them to the pc which is DImode.
11423 * rs6000.c (rs6000_stack_info): Use symbolic name for
11424 LINK_REGISTER_REGNUM.
11425 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11426 (output_toc): Delete unused variables s1 and s2.
11427 (output_ascii): Use fputs not fprintf on a variable string.
11429 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11431 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11432 * aix43.h: Revert Aug 2 change.
11433 (HAS_INIT_SECTION): Define, not visible yet.
11434 (LD_INIT_SWITCH): Define, not visible yet.
11435 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11437 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11439 * config/rs6000/rtems.h: Include config/rtems.h.
11441 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11443 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11444 (SLOW_UNALIGNED_ACCESS): Define.
11445 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11446 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11447 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11448 (toc_section): Likewise and .toc pseudo-op.
11449 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11451 (TEXT_SECTION_ASM_OP): Likewise.
11452 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11455 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11457 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11458 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11461 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11463 * rs6000.h: Move more stuff from here...
11465 * sysv4.h: Cleanup accordingly.
11466 * netware.h: Likewise
11468 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11470 * rs6000.h: Continue cleanup.
11472 * lynx.h: Likewise.
11473 * netware.h: Likewise.
11474 * sol2.h: Likewise.
11475 * sysv4.h: Likewise.
11476 * win-nt.h: Likewise.
11478 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11479 (TARGET_OPTIONS): Likewise.
11481 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11482 (SUBTARGET_OPTIONS): Likewise.
11484 * rs6000.md: Fix compile time warnings.
11486 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11488 vxworks patches from the Cygnus tree originally by
11489 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11490 <vmakarov@cygnus.com>.
11491 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11492 (ENDFILE_SPEC): Likewise.
11493 (LIB_VXWORKS_SPEC): New macro.
11494 (STARTFILE_VXWORKS_SPEC): New macro.
11495 (ENDFILE_VXWORKS_SPEC): New macro.
11496 (LINK_START_VXWORKS_SPEC): New macro.
11497 (LINK_OS_VXWORKS_SPEC): New macro.
11498 (CPP_OS_VXWORKS_SPEC): New macro.
11499 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11500 * vxppc.h: Rewrite to use proper configuration method.
11501 * vxppcle.h: New file.
11502 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11503 * ../../configure: Rebuilt.
11505 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11507 Lots of changes to rs6000.h, sysv4.h, aix.h,
11508 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11509 with the aim that rs6000.h is the first header
11510 included and the others override it.
11513 * x-aix41-gld: Remove.
11515 * x-aix41: Remove target-specific switches, and don't specify
11516 -Wl,-bbigtoc as we don't need it any more.
11517 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11518 Use t-aix43 for AIX 4.3 and above.
11519 * ../../configure: Regenerated.
11521 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11522 options, that don't do anything yet.
11523 (MASK_SCHED_PROLOG): New macro.
11524 (MASK_SCHED_EPILOG): New macro.
11525 (TARGET_SCHED_PROLOG): New macro.
11526 (TARGET_SCHED_EPILOG): New macro.
11528 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11530 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11531 one per translation unit, not one per function.
11532 (output_toc): Also do duplicate constant elimination
11533 for per-translation-unit TOCs.
11535 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11536 a comment explaining _exactly_ when this pattern gets used.
11537 (builtin_setjmp_receiver): New pattern for better clarity.
11538 (init_v4_pic): Move it into a section dealing with TOC registers.
11540 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11542 * rs6000.c (toc_hash_table): New variable.
11543 (rs6000_hash_constant): New function.
11544 (toc_hash_function): New function.
11545 (toc_hash_eq): New function.
11546 (toc_hash_mark_entry): New function.
11547 (toc_hash_mark_table): New function.
11548 (output_toc): Don't output duplicate TOC entries in
11550 (rs6000_add_gc_roots): Add the hash table as a GC root.
11551 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
11552 where they clearly shouldn't be. This may need to be fixed
11553 later when there is a GNU ar for AIX.
11554 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
11555 Don't define BOOT_LDFLAGS as it is now not necessary.
11557 1999-12-29 Geoff Keating <geoffk@cygnus.com>
11559 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
11560 for va_list on AIX. Use unsigned_char_type_node rather than
11561 constructing our own version on svr4.
11563 1999-12-17 Geoff Keating <geoffk@cygnus.com>
11565 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
11566 since patently it's not.
11568 1999-12-08 Geoff Keating <geoffk@cygnus.com>
11570 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
11571 define_expand/define_insn pair, and handle restore of the
11572 SVR4 -fpic register.
11574 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
11576 * acconfig.h (HAVE_GAS_WEAK): New define.
11577 * configure.in (assembler weak support): Check for .weak support.
11578 * config.in, configure: Rebuilt.
11579 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
11580 HAVE_GAS_WEAK is defined.
11582 2000-03-15 Nick Clifton <nickc@cygnus.com>
11584 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
11587 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
11589 * cppfiles.c (open_include_file): New function.
11590 (find_include_file, cpp_read_file): Use it.
11592 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11594 * cpphash.c (dump_hash_helper): Take the slot, not the element.
11596 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
11598 * flow.c (verify_flow_info): Check for unconditional return.
11600 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
11602 * config/ia64/ia64.md (restore_stack_nonlocal): New.
11603 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
11604 (__ia64_restore_stack_nonlocal): New.
11605 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
11607 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11609 * cpphash.c (collect_formal_parameters): Do not complain about
11610 parameter names that just start with `__VA_ARGS__'.
11612 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
11614 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
11615 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
11616 * i386.c (pentiumpro_cost): Set mul cost to 4.
11617 (x86_use_movx): Set for PPro.
11619 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
11621 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
11622 STACK_BOUNDARY for empty frames now.
11624 2000-03-14 Mark Mitchell <mark@codesourcery.com>
11626 * stor-layout.c (layout_union): Remove.
11627 (layout_union_field): New function, split out from layout_union.
11628 (finish_union_layout): Likewise.
11629 (layout_field): Handle unions by calling layout_union_field.
11630 (finish_record_layout): Handle unions.
11631 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
11632 QUAL_UNION_TYPE handling.
11634 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
11636 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
11637 end of basic block is jump_insn, not barrier; use create_basic_block
11638 instead of creating basic block by hand.
11640 2000-03-14 Jason Eckhardt <jle@cygnus.com>
11642 * flow.c (reorder_basic_blocks): Account for barriers when writing
11643 over NEXT_INSN (last_bb->end).
11644 (verify_flow_info): Add check for missing barriers.
11646 2000-03-14 Greg McGary <gkm@gnu.org>
11648 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
11649 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
11650 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
11651 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
11652 __unbounded, __unbounded__): New keywords.
11653 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
11654 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
11655 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
11657 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
11659 * cselib.h: New file.
11660 * alias.c: Include "cselib.h".
11661 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
11662 MEMs as two new arguments.
11663 (get_addr): New static function.
11664 (find_base_term): Handle VALUEs.
11665 (memrefs_conflict_p): Likewise.
11666 (true_dependence): Call get_addr on the addresses.
11667 Call fixed_scalar_and_varying_struct_p with addresses that have been
11668 passed through get_addr and canon_rtx.
11669 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
11670 with true_dependence.
11671 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
11672 * loop.c: Include "cselib.h".
11673 (load_mems): Process extended basic block that enters the loop with
11674 cselib. Use that information to change initialization of the shadow
11675 register so that a constant equivalence is seen by later passes.
11676 * reload1.c: Include "cselib.h".
11677 (reload_cse_invalidate_regno): Delete function.
11678 (reload_cse_mem_conflict_p): Likewise.
11679 (reload_cse_invalidate_mem): Likewise.
11680 (reload_cse_invalidate_rtx): Likewise.
11681 (reload_cse_regno_equal_p): Likewise.
11682 (reload_cse_check_clobber): Likewise.
11683 (reload_cse_record_set): Likewise.
11684 (reg_values): Delete static variable.
11685 (invalidate_regno_rtx): Likewise.
11686 (reload_cse_delete_noop_set): New static function.
11687 (reload_cse_simplify): New static function, broken out of
11689 (reload_cse_noop_set_p): Delete unused argument INSN.
11690 Just call rtx_equal_for_cselib_p on set source and destination.
11691 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
11692 reload_cse_delete_noop_set. Delete code to keep track of values; use
11693 cselib functions instead. Delete code to push/pop obstacks.
11694 (reload_cse_simplify_set): Use cselib to find equivalent values.
11695 Delete code to push/pop obstacks.
11696 (reload_cse_simplify_operands): Likewise.
11697 * rtl.def (VALUE): New rtx code.
11698 * rtl.h (union rtunion_def): New elt rt_cselib.
11699 (X0CSELIB, CSELIB_VAL_PTR): New macros.
11700 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
11701 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
11702 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
11703 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
11704 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
11705 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
11706 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
11707 cselib_record_set, cselib_record_sets): New static functions.
11708 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
11709 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
11710 references_value_p): New functions.
11711 (MAX_USELESS_VALUES, REG_VALUES): New macros.
11712 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
11713 n_useless_values, reg_values, callmem, cselib_obstack,
11714 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
11715 New static variables.
11716 * varray.h (union varray_data_tag): New elt te.
11717 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
11718 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
11721 2000-03-14 Nick Clifton <nickc@cygnus.com>
11723 * gcc.c (do_spec_1): Catch the case where %* is used in a
11724 substitution pattern, but it has not been initialised.
11725 Issue a meaningful error message if an unrecognised operator
11726 is encountered in a spec string.
11728 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
11730 * function.c (prepare_function_start): Correctly initialize
11731 cfun->stack_alignment_needed.
11733 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
11735 * cppfiles.c (find_include_file): Don't assume nshort is a
11738 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
11740 * configure.in (hppa configurations): Add pa32-regs.h to the
11741 list of tm files as appropriate.
11742 * configure: Rebuilt.
11743 * pa.c (compute_frame_size): Remove explicit knowledge about FP
11744 register numbering.
11745 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11746 (fmpyaddoperands, fmpysuboperands): Likewise.
11747 * pa.h: Remove various definitions which depend on knowing
11748 how registers are numbered.
11749 * pa32-regs.h: New file with PA32 register numbering specific
11752 2000-03-14 Richard Henderson <rth@cygnus.com>
11754 * regmove.c (combine_stack_adjustments): New.
11755 (stack_memref_p, single_set_for_csa): New.
11756 (free_csa_memlist, record_one_stack_memref): New.
11757 (try_apply_stack_adjustment): New.
11758 (combine_stack_adjustments_for_block): New.
11759 * rtl.h (combine_stack_adjustments): Declare.
11760 * toplev.c (rest_of_compilation): Call it.
11762 * i386.md: Revert 2000-01-16 change.
11764 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11766 * gccbug.in: Add web category, gcc specific classes.
11768 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
11770 * stor-layout.c (finalize_record_size): Fix typo.
11772 2000-03-14 Stan Shebs <shebs@apple.com>
11774 * c-typeck.c (c_alignof): Error on incomplete types.
11775 * extend.texi (Alignment): Document this.
11777 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11779 * cppfiles.c: Include mkdeps.h.
11780 (find_include_file, read_include_file): Remove _cpp_ prefix
11781 from name, make static.
11782 (_cpp_execute_include): New function, broken out of
11785 * cpplib.c: Don't include mkdeps.h.
11786 (struct directive): Remove type field. Reorder entries. The
11787 function takes only one argument.
11788 (struct if_stack): Make type field an int.
11789 (directive_table): Rename to dtable. Generate it, the
11790 prototypes of the directive handlers, and the enum for the
11791 directive numbers, from a template macro.
11792 (do_ifndef, do_include_next, do_import): New functions.
11793 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
11794 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
11795 do_ident, do_assert, do_unassert, do_sccs): Take only one
11797 (do_sccs): Define always, but alter behavior based on
11799 (_cpp_handle_directive, consider_directive_while_skipping):
11800 Restructure for new directive table layout.
11802 (pass_thru_directive): Take a directive number, not a pointer
11803 to a struct directive.
11804 (parse_include): New function, broken out of do_include.
11805 (do_include, do_import, do_include_next): Use parse_include
11806 and _cpp_execute_include.
11807 (do_elif, do_else): Test for T_ELSE specifically when checking
11808 for #elif/#else after #else.
11809 (parse_ifdef): New function, broken out of do_ifdef.
11810 (validate_else): Expect a name arg without a leading #.
11811 (if_directive_name): Delete.
11812 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
11813 directive handlers with only one argument.
11815 * cpphash.h: Update prototypes.
11816 (enum node_type): Remove entries for directives.
11817 * Makefile.in: Update dependencies.
11819 * cpphash.c (dump_hash_helper): Only dump nodes of type
11820 T_MACRO. Emit a newline after each definition.
11822 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11824 * gccbug.in: New file.
11825 * configure.in (all_outputs): Add gccbug.
11826 * Makefile.in (install-common): Install gccbug.
11827 (GCCBUG_INSTALL_NAME): New variable.
11828 * configure: Rebuilt.
11830 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11832 * function.c (put_var_into_stack): Use type_for_mode to calculate
11833 part_type. Use MEM_SET_IN_STRUCT_P.
11834 * expr.c (store_field): Handle CONCAT.
11835 (store_constructor): Use fields_length.
11836 * tree.c (fields_length): New fn.
11837 * tree.h: Declare it.
11839 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11841 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
11842 (cpplex.o): New target.
11843 * po/POTFILES.in: Add cpplex.c.
11845 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
11846 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
11847 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
11848 skip_block_comment, skip_line_comment, skip_comment,
11849 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
11850 _cpp_parse_name, skip_string, parse_string,
11851 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
11852 _cpp_get_directive_token, find_position,
11853 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
11854 (maybe_macroexpand, _cpp_lex_token): New functions.
11856 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
11857 parse_goto_mark): Delete.
11858 (_cpp_handle_eof): New function.
11859 (_cpp_handle_directive): Rename from handle_directive.
11860 (_cpp_output_line_command): Rename from output_line_command.
11861 (do_if, do_elif): Call _cpp_parse_expr directly.
11862 * cppfiles.c (_cpp_read_include_file): Don't call
11863 init_input_buffer here.
11864 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
11865 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
11866 here; pop the token_buffer and skip the rest of the line here.
11867 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
11870 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
11872 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
11873 CPP_GOTO_MARK): New macros.
11874 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
11875 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
11876 _cpp_read_and_prescan, _cpp_init_input_buffer,
11877 _cpp_grow_token_buffer, _cpp_get_directive_token,
11878 _cpp_handle_directive, _cpp_handle_eof,
11879 _cpp_output_line_command): Prototype them here.
11880 * cpplib.h (enum cpp_token): Add CPP_MACRO.
11881 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
11882 quote_string, output_line_command): Remove.
11884 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
11886 * stmt.c (expand_end_case): RANGE may be signed, and when checking
11887 whether it is too large we must also verify that it isn't negative.
11889 2000-03-13 Jakub Jelinek <jakub@redhat.com>
11891 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
11892 (movsi_zero_liveg0): Remove.
11893 (movsf_insn_novis_liveg0): Remove.
11895 (negsi2_not_liveg0): Rename to negsi2.
11896 (one_cmplsi2): Remove.
11897 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
11898 (one_cmplsi2_liveg0): Remove.
11899 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
11900 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
11901 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
11902 (PREDICATE_CODES): Remove zero_operand.
11903 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
11904 TARGET_BROKEN_SAVERESTORE.
11905 (zero_operand): Remove.
11906 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
11907 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
11909 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
11910 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11911 TARGET_BROKEN_SAVERESTORE): Remove.
11912 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11914 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11916 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11919 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
11921 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11923 * cpplib.c (do_pragma_implementation): Fix off-by-one error
11924 truncating a string. Don't assume tokens are nul terminated.
11925 Problem noted by Andreas Jaeger <aj@suse.de>
11927 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11929 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
11930 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
11931 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
11933 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
11935 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
11936 STRUCTURE_SIZE_BOUNDARY.
11938 2000-03-13 Mark Mitchell <mark@codesourcery.com>
11940 * tree.h (record_layout_info_s): New structure.
11941 (record_layout_info): New type.
11942 (new_record_layout_info): New function.
11943 (layout_field): Likewise.
11944 (finish_record_layout): Likewise.
11945 * stor-layout.c (layout_record): Remove.
11946 (new_record_layout_info): New function.
11947 (layout_field): New function, broken out from layout_record.
11948 (finalize_record_size): Likewise.
11949 (compute_record_mode): Likewise.
11950 (finalize_type_size): New function, broken out from layout_type.
11951 (finish_record_layout): Likewise.
11952 (layout_type): Use them.
11954 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11956 * cpphash.c: Don't include version.h.
11957 (special_symbol) [case T_VERSION]: Look for the string in
11958 hp->value.cpval; don't use version_string.
11959 * cppinit.c (initialize_builtins): Set hp->value.cpval for
11960 __VERSION__ to version_string.
11961 * Makefile.in (cpphash.o): Update deps.
11963 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11965 Convert cpplib to use libiberty/hashtab.c.
11967 * cpplib.h (struct cpp_reader): Make hashtab and
11968 all_include_files of type 'struct htab *'. Delete HASHSIZE
11969 and ALL_INCLUDE_HASHSIZE macros.
11971 * cpphash.h: Update prototypes.
11972 (struct hashnode): Remove next, prev, and bucket_hdr members.
11973 Make length a size_t. Add hash member.
11974 (struct ihash): Remove next member. Add hash member. Make
11975 name a flexible array member.
11977 * cppfiles.c: Include hashtab.h.
11978 (include_hash): Delete.
11979 (IHASHSIZE): New macro.
11980 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
11981 (cpp_included): Do the hash lookup here.
11982 (_cpp_find_include_file): Rewrite.
11983 (cpp_read_file): Put the "fake" hash entry into the hash
11984 table. Honor the control_macro, if it turns out we've seen
11985 the file before. Don't push the buffer here.
11986 (_cpp_read_include_file): Push the buffer here.
11987 (OMODES): New macro. Use it whenever we call open(2).
11989 * cpphash.c: Include hashtab.h.
11990 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
11991 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
11992 _cpp_lookup_slot): New functions.
11993 (HASHSIZE): new macro.
11994 (hashf, _cpp_install, _cpp_delete_macro): Delete.
11995 (_cpp_lookup): Use hashtab.h routines.
11997 * cppinit.c: Include hashtab.h.
11998 (cpp_reader_init): Call _cpp_init_macro_hash and
11999 _cpp_init_include_hash. Don't allocate hashtab directly.
12000 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12001 pfile->all_include_files.
12002 (initialize_builtins): Use _cpp_make_hashnode and
12003 htab_find_slot to add hash entries.
12004 (cpp_finish): Just call _cpp_dump_macro_hash.
12005 * cpplib.c: Include hashtab.h.
12006 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12007 create hash entries.
12008 (do_pragma_poison, do_assert): Likewise.
12009 (do_include): Don't push the buffer here. Don't increment
12010 system_include_depth unless _cpp_read_include_file succeeds.
12011 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12012 or htab_remove_elt.
12013 (do_pragma_implementation): Use alloca to create copy.
12015 * Makefile.in: Update dependencies.
12017 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12019 * cppinit.c (cl_directive_handler): More K&R fixing.
12021 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12023 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12025 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12027 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12029 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12030 Change from char[] to macros.
12032 2000-03-12 Neil Booth <NeilB@earthling.net>
12034 * cppinit.c (cpp_start_read): Update indirect function
12037 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12039 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12042 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12043 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12045 2000-03-11 Neil Booth <NeilB@earthling.net>
12047 * cppinit.c (struct pending option): Replace undef with a
12048 pointer to a directive handling routine.
12049 (struct cpp_pending): Replace separate assert_ and define_
12050 lists with one directive_ list.
12051 (new_pending_define): Rename new_pending_directive. Extra
12052 argument is the directive's handling routine.
12053 (handle_option): Update to use new_pending_directive.
12055 2000-03-11 Neil Booth <NeilB@earthling.net>
12057 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12058 remap_filename, _cpp_read_include_file, actual_directory,
12059 hack_vms_include_specification): Replace bcopy(), index() etc
12060 calls. Add casts to some allocations. Make some variables
12061 pointers to const [unsigned] char.
12062 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12063 collect_formal_parameters): Similarly.
12064 * cppinit.c (struct pending_option, append_include_chain,
12065 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12066 cpp_start_read, new_pending_define, handle_option): Similarly.
12067 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12068 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12069 do_pragma_implementation, detect_if_not_defined,
12070 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12071 do_assert, do_unassert): Similarly.
12072 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12073 function prototypes.
12074 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12076 2000-03-10 Richard Henderson <rth@cygnus.com>
12078 * builtins.c (expand_builtin_strlen): Revert last change.
12079 Use emit_insn_before if we're at the beginning of a sequence.
12081 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12083 * builtins.c (expand_builtin_strlen): Make sure that we have something
12084 at the beginning of the sequence.
12086 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12089 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12091 2000-03-10 Richard Henderson <rth@cygnus.com>
12093 * except.c (can_throw): Use INTVAL on a CONST_INT.
12094 (reachable_handlers): Likewise.
12095 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12097 2000-03-10 Andreas Jaeger <aj@suse.de>
12099 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12100 MD_STARTFILE_PREFIX since those are not needed on linux.
12101 (ASM_FILE_START): New, from mips/gnu.h.
12103 2000-03-09 Richard Henderson <rth@cygnus.com>
12104 Alex Samuel <samuel@codesourcery.com> and others
12106 * Makefile.in (ssa.o): New rule.
12108 (STAGESTUFF): Add *.ssa and *.ussa.
12109 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12110 * rtl.def (PHI): New RTL expression.
12111 * rtl.h (clear_log_links): New declaration.
12112 (convert_to_ssa): Likewise.
12113 (convert_from_ssa): Likewise.
12114 * flow.c (split_edge): If the entry node falls through to the
12115 split edge's source block, split the entry edge.
12116 (clear_log_links): New function.
12117 * toplev.c (ssa_dump): New variable.
12118 (flag_ssa): Likewise.
12119 (f_options): Add "ssa".
12120 (compile_file): Create SSA dump files.
12121 (rest_of_compilation): Go to and from SSA if enabled.
12122 (decide_d_option): Handle -de for SSA dump files.
12125 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12127 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12130 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12132 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12134 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12136 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12137 (MD_STARTFILE_PREFIX_1): New macro.
12139 2000-03-09 Robert Lipe <robertl@sco.com>
12141 * config/ia64/ia64.c: Include system.h.
12143 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12145 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12146 (init_eh_nesting_info): Likewise.
12148 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12149 (TREE_NOTHROW): Rename from TREE_RAISES.
12150 * toplev.c (rest_of_compilation): Set it.
12151 * print-tree.c (print_node): Adjust.
12152 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12153 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12154 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12155 REG_EH_REGION note as appropriate.
12156 (libfunc_nothrow): New fn.
12157 (emit_library_call, emit_library_call_value): Use it.
12158 (expand_call): Check TREE_NOTHROW.
12160 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12161 DECL_ASSEMBLER_NAME.
12163 2000-03-09 Andreas Jaeger <aj@suse.de>
12165 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12166 (TARGET_MEM_FUNCTIONS): Define.
12168 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12170 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12172 * except.c (can_throw): See through a SEQUENCE.
12173 (nothrow_function_p): New fn.
12174 * except.h: Declare it.
12175 * function.c (current_function_nothrow): New var.
12176 (prepare_function_start): Initialize it.
12177 * output.h: Declare it.
12178 * toplev.c (rest_of_compilation): Set it.
12179 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12181 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12183 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12184 match. (cpp_compare_defs): Count the nul separator when
12185 advancing over argument names.
12187 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12189 * recog.c (preprocess_constraints): Matching constraints affect
12190 same alternative/different operand, not same operand/different
12193 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12194 register and a constant specially.
12196 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12198 * libgcc2.h: New file.
12199 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12201 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12203 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12204 * configure: Regenerate.
12205 * config/ia64: New.
12207 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12209 * Makefile.in (LIBCPP_DEPS): New macro.
12210 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12211 it to declare deps.
12212 * cpperror.c: Include cpphash.h.
12213 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12215 (lex): Don't use CPP_WARN_UNDEF.
12216 (_cpp_parse_expr): Return an int, the truth value.
12217 * cppfiles.c: Include cpphash.h.
12218 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12219 * cppinit.c (include_defaults_array): Disentangle.
12220 (cpp_cleanup): Don't free the if stack here.
12221 (cpp_finish): Pop off all buffers, not just one.
12222 * cpplib.c (eval_if_expr): Return int.
12223 (do_xifdef): Rename do_ifdef.
12224 (handle_directive): Don't use CPP_PREPROCESSED.
12225 (cpp_get_token): Don't use CPP_C89.
12226 * fix-header.c: Don't use CPP_OPTIONS.
12228 * cpplib.h: Move U_CHAR, enum node_type, struct
12229 file_name_list, struct ihash, is_idchar, is_idstart,
12230 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12231 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12232 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12233 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12234 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12235 of _cpp_simplify_pathname, _cpp_find_include_file,
12236 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12237 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12239 Change all uses of U_CHAR to be unsigned char instead.
12240 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12242 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12244 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12245 (dwarf2out_begin_prologue): Set it.
12246 (output_call_frame_info): Don't emit EH unwind info for leaves.
12248 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12249 can occur outside of an EH region.
12250 * except.c: Correct comments about rethrow behavior.
12251 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12253 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12255 * flow.c (make_edges): Always call make_eh_edge for calls.
12257 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12259 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12260 (struct cpp_buffer): Remove fname and underflow fields.
12261 (struct cpp_reader): Remove get_token field.
12262 (struct include_hash): Rename to struct ihash. Add typedef to
12264 (struct if_stack): Remove fname field.
12265 (IF_STACK_FRAME): Rename to IF_STACK.
12267 * cpperror.c (print_containing_files): Trust that there are no
12268 macro buffers below the top file buffer.
12269 * cppfiles.c: Replace all references to 'struct include_hash'
12270 with 'IHASH'. Rename initialize_input_buffer to
12271 init_input_buffer. Don't set or reference cpp_buffer->fname,
12272 use buffer->ihash->name instead.
12273 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12274 not CPP_NULL_BUFFER.
12275 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12276 IF_STACK_FRAME, IHASH not struct include_hash.
12277 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12278 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12279 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12280 references to cpp_buffer->fname (delete entirely, or use
12281 ->ihash->name instead) and IF_STACK->fname.
12282 (cpp_push_buffer): Don't set new->underflow.
12283 (do_include): Use cpp_file_buffer.
12285 * cpphash.c (collect_formal_parameters): Remove duplicate
12286 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12287 used as a macro argument name. Don't append "..." to namebuf
12288 for varargs macros. After we're done scanning, go through
12289 namebuf and make it NUL separated, not comma separated.
12290 (_cpp_compare_defs): Remove register tag from variables.
12291 Expect defn->argnames to be NUL separated.
12292 (_cpp_dump_definition): Expect defn->argnames to be NUL
12293 separated and in forward order.
12294 * cpphash.h: Update documentation of argnames field.
12296 2000-03-08 Richard Henderson <rth@cygnus.com>
12298 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12299 to fail. Don't pre-expand the source operand.
12301 * i386.md (strlensi): Initialize eoschar and align before use.
12303 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12305 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12306 CONSTRUCTOR element.
12308 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12310 * mips.c (mips_expand_prologue): If the last
12311 named argument is the vararg marker "va_list", treat it as
12312 an unnamed argument.
12314 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12316 * dbxout.c (dbxout_parms): When correcting for promoted
12317 big-endian parameters, use the mode of the DECL_RTL rather
12318 than UNITS_PER_WORD.
12320 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12322 * c-common.h (make_fname_decl): Declare.
12323 * c-common.c (make_fname_decl): Define.
12324 (declare_hidden_char_array): Remove.
12325 (declare_function_name): Use make_fname_decl.
12326 * c-decl.c (c_make_fname_decl): New function.
12327 (init_decl_processing): Set make_fname_decl.
12329 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12331 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12333 2000-03-07 Philipp Thomas <pthomas@suse.de>
12335 * po/POTFILES.in: Remove cppalloc.c from file list.
12337 2000-03-07 Steve Chamberlain <sac@pobox.com>
12339 * pj.c (pj_expand_prologue): current_function->args_info is
12340 now current_function_args_info.
12342 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12343 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12344 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12346 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12348 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12349 output as hexadecimal rather than the default octal.
12351 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12353 * cpphash.c (special_symbol): Fix thinko in previous commit.
12355 2000-03-07 Neil Booth <NeilB@earthling.net>
12357 * cppexp.c (struct operation, left_shift, right_shift,
12358 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12359 "int"s to "unsigned int"s.
12360 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12362 * cpplib.h: Update for above.
12363 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12364 returned from allocations.
12366 * cppinit.c (opt_comp, parse_options): New functions.
12367 (handle_option): Use parse_option to parse a single command
12368 line option, that possibly takes an argument.
12369 (cpp_handle_options): Sort the array of command line options on
12370 first invocation (non-ASCII hosts only).
12371 (print_help): Update.
12373 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12375 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12376 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12378 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12380 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12382 * cpperror.c (cpp_print_containing_files,
12383 cpp_print_file_and_line, v_cpp_message): Rename to
12384 print_containing_files, print_file_and_line, and v_message.
12385 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12386 to _cpp_parse_expr, parse_escape, and lex.
12387 (parse_charconst): Remove broken multibyte support.
12388 * cppfiles.c (include_hash): Make static.
12389 (cpp_included): New function.
12390 (merge_include_chains, find_include_file, finclude,
12391 simplify_pathname): Rename to _cpp_merge_include_chains,
12392 _cpp_find_include_file, _cpp_read_include_file, and
12393 _cpp_simplify_pathname.
12394 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12395 cpp_install, create_definition, macroexpand, compare_defs,
12396 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12397 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12398 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12399 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12401 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12403 * cpphash.h: Update prototypes.
12404 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12406 2000-03-07 Andrew Haley <aph@cygnus.com>
12408 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12409 PTRDIFF_TYPE should be based solely on Pmode.
12410 (SIZE_TYPE): ditto.
12412 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12414 * rtl.h (rtunion_def): Constify member `rtstr'.
12415 (emit_line_note_after, emit_line_note, emit_line_note_force,
12416 emit_note, decode_asm_operands): Constify.
12418 * cse.c (canon_hash): Likewise.
12420 * dbxout.c (dbxout_block): Likewise.
12422 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12423 v_warning_for_asm): Likewise.
12425 * dwarfout.c (function_start_label): Likewise.
12427 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12428 emit_line_note_force): Likewise.
12430 * final.c (last_filename, asm_insn_count, final_scan_insn,
12431 output_source_line): Likewise.
12433 * function.h (struct emit_status): Likewise.
12435 * gcse.c (hash_expr_1): Likewise.
12437 * genattr.c (gen_attr, main): Likewise.
12439 * genattrtab.c (struct function_unit, current_alternative_string,
12440 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12441 attr_numeral, check_attr_test, check_attr_value,
12442 convert_set_attr_alternative, convert_set_attr,
12443 compute_alternative_mask, simplify_by_exploding, gen_attr,
12444 gen_unit): Likewise.
12446 * genflags.c (gen_insn): Likewise.
12448 * gengenrtl.c (type_from_format): Likewise.
12450 * genopinit.c (gen_insn): Likewise.
12452 * genoutput.c (n_occurrences, process_template, process_template):
12455 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12458 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12461 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12462 ggc_set_mark, ggc_get_size): Likewise.
12464 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12466 * optabs.c (init_one_libfunc): Likewise.
12468 * output.h (assemble_start_function): Likewise.
12470 * recog.c (decode_asm_operands): Likewise.
12472 * toplev.c (rest_of_compilation): Likewise.
12474 * tree.h (emit_line_note_after, emit_line_note,
12475 emit_line_note_force): Likewise.
12477 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12478 asm_emit_uninitialised, assemble_start_function,
12479 assemble_variable, const_hash, compare_constant_1,
12480 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12482 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12484 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12486 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12488 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12490 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12491 arm_dllimport_name_p): Likewise.
12493 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12496 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12498 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12500 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12501 arm_mark_dllexport, arm_mark_dllimport,
12502 arm_pe_encode_section_info): Likewise.
12504 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12505 ASM_FINISH_DECLARE_OBJECT): Likewise.
12507 * arm/thumb.c (thumb_function_prologue): Likewise.
12509 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12511 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12513 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12515 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12517 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12519 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12521 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12522 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12524 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12526 * i386/i386.c (asm_output_function_prefix): Likewise.
12528 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12530 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12532 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12534 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12535 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12536 ASM_OUTPUT_SECTION_NAME): Likewise.
12538 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12540 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12542 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12544 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12546 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12548 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12550 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12552 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12554 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12556 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
12558 * mips/mips.md (movdi, movsi): Likewise.
12560 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12562 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12564 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12566 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
12567 ASM_OUTPUT_ASCII): Likewise.
12569 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
12570 output_mi_thunk, output_toc): Likewise.
12572 * rs6000/rs6000.md (movsi): Likewise.
12574 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
12576 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
12578 * v850/v850.c (print_operand, print_operand_address,
12579 v850_encode_data_area): Likewise.
12581 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
12583 * config/mips/mips.md (zero_extendsidi2): Always force operand
12584 one to memory for mips16.
12586 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12588 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
12589 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
12590 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
12591 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
12592 (min_precision): Result is unsigned.
12593 (add_double, neg_double, mul_double): Low word is unsigned.
12594 (lshift_double, rshift_double, lrotate_double): Likewise.
12595 (rrotate_double, div_and_round_double): Likewise.
12596 (tree_floor_log2, compare_tree_int): New functions.
12597 (preserve_rtl_expr_temps): New declaration.
12598 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
12599 (decl_attributes): Use tree_log2 to find alignment.
12600 Check for TREE_INT_CST_HIGH for format args.
12601 (min_precision): Now unsigned.
12602 Use tree_floor_log2.
12603 (truthvalue_conversion): Delete long-disabled code.
12604 * c-decl.c (finish_struct): Clean up tests on field width.
12605 (finish_function): Use compare_tree_int.
12606 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
12607 * c-typeck.c (comptypes): Use tree_int_cst_equal.
12608 (default_conversion, digest_init): Use compare_tree_int.
12609 (build_binary_op): Use integer_all_onesp and compare_tree_int.
12610 Fix type errors in forming masks.
12611 * calls.c (initialize_argument_information): Use compare_tree_int.
12612 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12613 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
12614 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
12615 (store_field): Use compare_tree_int.
12616 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
12617 (expand_expr, case ARRAY_REF): Use compare_tree_int.
12618 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
12619 (do_store_flag): Use compare_tree_int.
12620 * fold-const.c (encode, decode): Low part is always unsigned.
12621 (force_fit_type, add_double, neg_double, mul_double): Likewise.
12622 (lshift_double, rshift_double, lrotate_double): Likewise.
12623 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
12624 (fold_convert): Use compare_tree_int.
12625 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
12626 (invert_truthvalue, case INTEGER_CST): Likewise.
12627 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
12628 * mkdeps.c (deps_dummy_targets): Make I unsigned.
12629 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
12630 (lshift_double, rshift_double, lrotate_double, rrotate_double):
12632 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
12633 (expand_end_case): Use compare_tree_int.
12634 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12635 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
12636 (layout_decl): Likewise.
12637 (layout_record, layout_union): Make sizes unsigned.
12638 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
12639 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
12640 * tree.c (struct type_hash): hashcode is unsigned.
12641 (build_type_attribute_variant, type_hash_list): Likewise.
12642 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
12643 (attribute_hash_list, build_array_type, build_method_type): Likewise.
12644 (build_complex_type): Likewise.
12645 (real_value_from_int_cst): Remove unneeded casts.
12646 (integer_all_onesp): Add casts.
12647 (tree_floor_log2, compare_tree_int): New functions.
12648 (build_index_type): Use tree_int_cst_sgn.
12649 * varasm.c (assemble_variable): Use compare_tree_int.
12651 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
12653 * cpphash.c (collect_expansion): Also catch ## at start of macro.
12655 * varasm.c (make_decl_rtl): Don't add a number to members of
12657 (make_function_rtl): Likewise.
12659 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12661 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
12662 patch from 2000-01-28.
12664 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
12666 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
12667 filled with an insn from the jump target.
12669 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12671 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
12672 (c4x_external_ref): Likewise.
12673 * config/c4x/c4x.c (struct name_list): Likewise.
12675 1999-12-16 Ben Collins <bcollins@debian.org>
12677 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
12678 argument to genmultilib.
12679 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
12680 the contents into the multilib.h header.
12681 * gcc.c: Declare multilib_exclusions for the specs file.
12682 (set_multilib_dir): Use it.
12683 (print_multilib_info): Likewise.
12684 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
12685 to pass to genmultilib.
12687 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12689 * builtins.c (built_in_class_names, built_in_names): Constify a
12692 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
12694 (_mcleanup): Ensure value matches format specifier in sprintf.
12696 * cpphash.c (special_symbol): Don't needlessly cast away
12699 * cppinit.c (base_name): Delete unused prototype.
12701 * mkdeps.c (deps_init): Make definition K&R safe.
12703 * tree.h (built_in_class_names, built_in_names): Constify a
12706 2000-03-06 Jakub Jelinek <jakub@redhat.com>
12708 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
12709 floating point instructions for epilogue delay.
12711 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
12712 to gas if it supports .register pseudo.
12714 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
12715 LONG_DOUBLE_TYPE_SIZE if not defined.
12716 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
12717 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
12718 * real.c: Likewise.
12719 * gengenrtl.c: Likewise.
12720 * print-rtl.c: Likewise.
12722 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
12723 MASK_LONG_DOUBLE_128.
12724 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
12725 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
12726 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
12727 (SUBTARGET_SWITCHES): Define.
12728 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
12729 with -mlong-double-128.
12730 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12731 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12732 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12733 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
12734 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
12735 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
12736 with -mlong-double-128.
12737 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12738 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12739 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12740 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
12741 TARGET_LONG_DOUBLE_128): Define.
12742 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
12743 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
12744 long double on TARGET_ARCH64.
12746 2000-03-06 Mark Mitchell <mark@codesourcery.com>
12748 * function.c (free_temps_for_rtl_expr): Don't free slots
12749 that have been pushed into a higher level.
12752 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12754 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12756 * basic-block.h (ALLOCA_REG_SET): Remove.
12757 (INITIALIZE_REG_SET): New macro.
12758 * flow.c (update_life_info): Use it.
12759 (calculate_global_regs_live): Likewise.
12760 (propagate_block): Likewise.
12761 * global.c (build_insn_chain): Likewise.
12762 * haifa-sched.c (schedule_region): Likewise.
12764 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
12766 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
12767 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
12768 (DWARF_ARANGES_PAD_SIZE): New define.
12769 (output_aranges): Use it to pad the address range header.
12770 (DWARF_ROUND): Fix for non power of 2 rounding.
12772 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
12774 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
12776 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12778 * tree.def (RTL_EXPR): Update documentation.
12779 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
12780 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
12781 * function.c (preserve_rtl_expr_temp): New function.
12782 (preserve_rtl_expr_temps): Likewise.
12783 (preserve_rtl_expr_result): Use it.
12786 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12788 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
12790 * regmove.c (copy_src_to_dest) Do not create src->dest move
12791 for unchanging destination.
12793 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12795 * function.h (struct sequence_stack): Remove rtl_expr.
12796 (struct emit_staus): Likewise.
12797 (seq_rtl_expr): Remove.
12798 * tree.h (free_temps_for_rtl_expr): Don't declare.
12799 (start_sequence_for_rtl_expr): Likewise.
12800 * rtl.h (preserve_rtl_expr_result): Likewise.
12801 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
12802 (start_sequence_for_rtl_expr): Remove.
12803 (push_topmost_sequence): Don't save sequence_rtl_expr.
12804 (pop_topmost_sequence): Remove comment about not restoring it.
12805 (end_sequence): Don't set seq_rtl_expr.
12806 (init_emit): Don't initialize it.
12807 (mark_sequence_stack): Don't mark it.
12808 (mark_emit_status): Likewise.
12809 * except.c (protect_with_terminate): Use
12810 start_sequence_for_rtl_expr, not start_sequence.
12811 * expr.c (expand_expr, case RTL_EXPR): Don't call
12812 preserve_rtl_expr_result or free_temps_for_rtl_expr.
12813 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
12814 (preserve_rtl_expr_result): Remove.
12815 (free_temps_for_rtl_expr): Likewise.
12816 (pop_temp_slots): Likewise.
12817 (mark_temp_slot): Don't mark the rtl_expr.
12818 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
12819 start_sequence_for_rtl_expr.
12821 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
12823 * mkdeps.c, mkdeps.h: New files.
12824 * po/POTFILES.in: Add them.
12825 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
12826 (cpplib.o, cppinit.o): Depend on mkdeps.h.
12827 (mkdeps.o): New target.
12829 * cppfiles.c: Delete deps_output.
12830 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
12831 OBJECT_SUFFIX, and base_name.
12832 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
12834 (initialize_dependency_output): Use deps_init,
12835 deps_add_target, deps_calc_target, and deps_add_dep. Remove
12836 all the unnecessary string bashing.
12837 (cpp_finish): Use deps_write. Remove an unnecessary nesting
12839 * cpplib.c (do_include): Use deps_add_dep.
12840 * cpplib.h (struct cpp_reader): Replace deps_buffer,
12841 deps_allocated_size, deps_size, deps_column members with
12842 single pointer to a struct deps. Delete prototype of
12845 * cppinit.c: Fix thinko in previous patch.
12847 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12849 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
12850 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
12851 (mode_for_size_tree): New function.
12852 (layout_decl, layout_type): Call it and clean up BLKmode checks.
12853 * tree.h (mode_for_size_tree): New declaration.
12855 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
12857 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
12859 * stmt.c (is_body_block): Move...
12860 * dwarfout.c, dwarf2out.c: ...from here.
12861 * tree.h: Declare it.
12862 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
12863 * final.c (final_start_function): Do call remove_unnecessary_notes
12866 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12868 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
12870 * cpplib.h (_dollar_ok): New macro.
12871 (is_idchar, is_idstart): Use it.
12872 (IStable): Rename to _cpp_IStable. Declare it const if
12873 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
12874 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
12875 is_space): Update for renamed IStable.
12877 * cppinit.c: Delete all references to FAKE_CONST and CAT
12878 macros. Define init_IStable as empty macro if gcc >=2.7 or
12879 C99. Change TABLE() to ISTABLE and hardcode name of table.
12880 (cpp_start_read): Don't change the IStable based on
12883 * cpphash.c (unsafe_chars): Add pfile argument. All callers
12884 changed. Handle '$' for char1 correctly.
12885 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
12887 * cppexp.c (tokentab2): Make const.
12888 (cpp_lex): Make toktab const.
12889 * cppinit.c (include_defaults_array): Make const.
12890 (initialize_standard_includes): Make default_include const.
12892 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12894 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
12895 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
12896 (gen_decl_die): Likewise.
12897 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
12898 (output_decl): Likewise.
12900 * varasm.c (make_function_rtl): If we change the name used in the
12901 rtl, update DECL_ASSEMBLER_NAME accordingly.
12902 (make_decl_rtl): Likewise.
12904 * toplev.c (rest_of_compilation): Tweak formatting.
12906 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
12907 remove_unnecessary_notes.
12908 (debug_ignore_block): New fn.
12909 * toplev.h: Declare it.
12910 * emit-rtl.c (remove_unncessary_notes): Call it.
12911 * dwarf2out.c (dwarf2out_ignore_block): New fn.
12912 * dwarf2out.h: Declare it.
12913 * final.c (final_start_function): Don't call remove_unnecessary_notes
12914 if we did insn scheduling.
12916 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12918 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
12919 * cpplib.h: Delete SET_CPP_PEDANTIC.
12921 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12923 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
12924 result is a RECORD_TYPE.
12926 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
12928 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
12930 2000-03-03 Richard Henderson <rth@cygnus.com>
12932 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
12933 addition over compliments over shifts.
12935 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12937 * reload1.c (reload_combine_note_use): Handle return register USEs.
12938 REG case: Handle multi-hard-register hard regs.
12940 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12942 * md.texi: Document use of '*' in insn pattern name.
12944 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12946 * calls.c (special_function_p): operator new may not be malloc-like.
12948 * gcse.c (dump_hash_table): Really fix error in last change.
12950 2000-03-02 Denis Chertykov <denisc@overta.ru>
12952 * avr.c (print_operand): Use print_operand_address instead of
12954 * avr/libgcc.S: Cleanup code.
12956 2000-03-02 Richard Henderson <rth@cygnus.com>
12958 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
12960 2000-03-02 Mark Mitchell <mark@codesourcery.com>
12962 * tree.h (TYPE_ALIGN_UNIT): New macro.
12964 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
12966 * i386.c: (constant_call_address_operand): Reject CONST_INT.
12968 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
12970 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
12972 (SET_CPP_PEDANTIC): New macro.
12973 * cpplib.c (do_include): Don't bother checking system_header_p.
12974 (do_warning, do_ident, do_assert, do_unassert): Likewise.
12975 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
12977 * function.h (struct expr_status): Add x_arg_space_so_far.
12978 (arg_space_so_far): New macro.
12979 * expr.c (init_expr): Initialize it.
12980 * calls.c (emit_call_1): Reset it.
12981 (compute_argument_block_size, expand_call): Use it.
12982 (expand_call, store_one_arg): Increment it.
12984 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12986 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
12989 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
12991 * cppfiles.c (cpp_read_file): New function.
12993 * cpphash.c (collect_expansion): Make sure to reset last_token
12994 to NORM when we hit a string. Handle trailing whitespace
12995 properly when the expansion is empty.
12996 (create_definition): Disable line commands while parsing the
12998 (dump_definition): If pfile->lineno == 0, output a line
12999 command ahead of the dump, and add a trailing newline.
13001 * cppinit.c (append_include_chain): Add fifth argument, which
13002 indicates whether or not system headers are C++ aware.
13003 (initialize_standard_includes): New function,
13004 broken out of read_and_prescan. Pass 'cxx_aware' value from
13005 the include_defaults_array on to append_include_chain.
13006 (dump_special_to_buffer): Const-ify char array.
13007 (builtin_array): Don't dump __BASE_FILE__.
13008 (cpp_start_read): Use cpp_read_file. Reorder code for
13009 clarity. Don't output line commands here for -D/-A/-U
13010 switches. Don't call deps_output for files included with
13011 -include or -imacros.
13013 * cpplib.c (do_define): Don't pay any attention to the second
13015 (cpp_expand_to_buffer): Disable line commands while scanning.
13016 (output_line_command): Work in the file buffer.
13017 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13018 Fix formatting of comments. Prototype cpp_read_file.
13020 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13022 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13023 reference the language-equivalent of sizetype.
13024 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13025 * fold-const.c (size_binop, size_diffop): Put back checks.
13026 * gcse.c (dump_hash_table): Fix minor error in last change.
13027 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13028 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13031 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13033 * calls.c (expand_call) Do not attempt to combine stack adjustments
13034 with inhibit_defer_pop set.
13036 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13038 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13039 the DECL_SIZE for a FIELD_DECL.
13041 2000-03-01 Bruce Korb <bkorb@gnu.org>
13043 * fixinc/inclhack.tpl: remove unused symlinks
13044 * fixinc/README: GCC Maintainer info
13045 * fixinc/inclhack.sh: regen
13046 * fixinc/fixincl.sh: regen
13048 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13050 * cpphash.c (collect_expansion): Trim trailing white space
13051 from macro definitions, but don't go past the last insertion
13054 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13056 * i386.md (mulqi3): New pattern.
13058 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13060 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13062 (struct cpp_reader): Add parsing_if_directive and
13063 parsing_define_directive flags.
13064 (struct cpp_options): Remove output_conditionals flag.
13065 (check_macro_name): Delete prototype.
13067 * cpphash.h (struct macrodef): Delete.
13068 (struct reflist): Separate from struct definition.
13069 (struct definition): Remove unused fields. Add column number.
13070 (create_definition): Returns a DEFINITION *. Takes a
13071 cpp_reader * and an int.
13073 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13074 (PEEKC): Copy defn from cpplib.c.
13075 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13077 (struct arglist): Simplify.
13078 (collect_expansion): Rewrite. Get tokens by calling
13079 cpp_get_token. Add more error checking.
13080 (collect_formal_parameters): New function, broken out of
13081 create_definition and reworked to use get_directive_token.
13082 (create_definition): All real work is now in collect_expansion
13083 and collect_formal_parameters. do_define handles finding the
13084 macro name. Return a DEFINITION, not a MACRODEF.
13085 (macroexpand): Replace bcopy with memcpy throughout. Replace
13086 character-at-a-time copy loop with memcpy and pointer increments.
13087 (compare-defs): d1->argnames / d2->argnames might be null.
13089 * cpplib.c (copy_rest_of_line): Delete function.
13090 (skip_rest_of_line): Do all the work ourselves.
13091 (skip_string): New function.
13092 (parse_string): Use skip_string.
13093 (get_macro_name): New function.
13094 (check_macro_name): Delete.
13095 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13096 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13097 (handle_directive): ICE if we're called on a macro buffer.
13098 (do_define): Determine macro name and type (funlike/objlike)
13099 here. Expunge all uses of MACRODEF.
13100 (cpp_push_buffer): Set line_base to NULL.
13101 (do_undef, read_line_number): Don't worry about getting a POP token.
13102 (eval_if_expression): Set/reset parsing_if_directive around
13103 cpp_parse_expr. Don't clear only_seen_white.
13104 (skip_if_group): Remove output_conditionals logic. Use
13106 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13107 tokens under appropriate conditions.
13108 (cpp_unassert): Call do_unassert not do_assert. Oops.
13110 * cppexp.c (parse_defined): New function, break out of
13112 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13113 ourselves, with cpp_defined.
13114 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13116 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13117 * gcc.dg/strpaste-2.c: New.
13119 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13121 * fold-const.c (size_binop): Don't asert inputs are the same and
13122 have TYPE_IS_SIZETYPE set.
13123 (size_diffop): Likewise.
13125 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13127 * dwarfout.c (output_block): Output abstract blocks even if they
13128 don't have TREE_ASM_WRITTEN set.
13130 * calls.c (emit_library_call): Check for null REG.
13132 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13134 * c-decl.c (current_function_decl): Move to toplev.c.
13135 (init_decl_processing): Don't add current_function_decl as a ggc
13137 * dbxout.c (dbxout_symbol): Change return type to int.
13138 (dbxout_symbol_location, dbxout_syms): Likewise.
13139 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13140 any locals. Use current_function_func_begin_label if set.
13141 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13142 * dwarf2out.c (dwarf2out_begin_prologue): Set
13143 current_function_func_begin_label.
13144 * final.c (final_start_function): Reset it.
13145 * toplev.c (current_function_decl): Define it here.
13146 (current_function_func_begin_label): New variable.
13147 (main): Add both as ggc roots.
13148 * tree.h (current_function_func_begin_label): Declare.
13150 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13152 * gcse.c: Cleanups throughout: mostly white-space, but also
13153 some minor rearrangement of code.
13155 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13157 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13158 returns a PARALLEL. Use emit_group_load and use_group_regs
13160 (emit_library_call_value): Similarly.
13162 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13163 * pa/quadlib.asm: Remove.
13164 * pa/quadlib.c: New file.
13166 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13167 * configure: Rebuilt.
13169 2000-02-29 Philip Blundell <pb@futuretv.com>
13171 * config/arm/conix-elf.h: New file.
13172 * configure.in (arm*-*-conix*): New configuration.
13173 * configure: Regenerate.
13175 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13177 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13178 don't have TREE_ASM_WRITTEN set.
13180 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13182 * Eliminate DECL_FIELD_SIZE.
13183 * builtins.c (built_in_class_names, built_in_names): New variables.
13184 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13185 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13186 DECL_SIZE, not DECL_FIELD_SIZE.
13187 * print-tree.c (print_node): Remove code that prints extra blank
13188 lines in some cases.
13189 Properly handle inline and builtin function cases.
13190 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13191 * tree.h (built_in_class_named, built_in_names): New declarations.
13192 (union tree_decl): Rename internal unions to u1 and u2 and change
13193 some of their components.
13194 Add new field built_in_class.
13195 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13196 Reflect above changes.
13197 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13198 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13199 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13200 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13202 2000-02-28 Dmitri Makarov <dim@windriver.com>
13204 * extend.texi: Document ARM's support for long/short calls.
13206 * invoke.texi: Document ARM's -mlong-calls command line switch.
13208 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13209 (arm_encode_call_attribute): Add prototype.
13210 (arm_set_default_type_attribute): Add prototype.
13211 (arm_strip_name_encoding): Add prototype.
13213 * config/arm/arm.c (arm_init_cumulative_args): replace
13214 initialisation og 'long_calls' field with initialisation of
13215 'call_cookie' field.
13216 (enum arm_pragma_enum): New enum.
13217 (arm_pragma_long_calls): New static variable.
13218 (arm_process_pragma): Also process "#pragma long_calls_off".
13219 (arm_valid_type_attribute_p): Accept short_call attribute.
13220 (arm_comp_type_attributes): Check long/short call attributes.
13221 (arm_encode_call_attribute): New function: Encode long_call
13222 or short_call attribute in function name.
13223 (arm_set_default_type_attributes): New function: Assign
13224 default attributes to newly defined type.
13225 (current_file_function_operand): New function: Return true if
13226 the symbol is a function which has already been compiled.
13227 (arm_is_longcall_p): New function: Return true if the
13228 indicated function should be called via a long call.
13229 (arm_get_strip_length): New function. Returns number of
13230 prefix characters to be stripped from a function's name.
13231 (arm_strip_name_encoding): New function. Strip prefix characters
13232 from a function's name.
13234 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13235 with 'call_cookie'.
13236 (SHORT_CALL_FAG_CHAR): Define.
13237 (LONG_CALL_FAG_CHAR): Define.
13238 (ENCODED_SHORT_CALL_ATTR_P): Define.
13239 (ENCODED_LONG_CALL_ATTR_P): Define.
13240 (ARM_NAME_ENCODING_LENGTHS): Define.
13241 (STRIP_NAME_ENCODING): Define.
13242 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13243 (ARM_ENCODE_CALL_TYPE): Define.
13244 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13245 (ARM_DECLARE_FUNCTION_SIZE): Define.
13246 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13248 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13249 if a long call is needed.
13250 (call_value): Ditto.
13251 (call_symbol): Ditto.
13253 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13254 ARM_DECLARE_FUNCTION_SIZE.
13256 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13257 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13258 (ARM_STRIP_NAME_ENCODING): Undefine.
13259 (STRIP_NAME_ENCODING): Undefine.
13260 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13261 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13262 (ASM_OUTPUT_COMMON): Ditto.
13263 (ASM_DECLARE_OBJECT_NAME): Ditto.
13265 * config/arm/pe.c (arm_dllexport_name_p): Check for
13267 (arm_dllimport_name_p): Ditto.
13268 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13269 (arm_mark_dllimport): Ditto.
13271 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13273 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13275 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13277 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13279 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13281 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13282 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13283 NO_BUILTIN_WCHAR_TYPE is not defined.
13284 (CPP_WCHAR_TYPE): Delete.
13285 * cccp.c (main): Don't change wchar_type if cplusplus.
13286 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13288 2000-02-28 Nick Clifton <nickc@cygnus.com>
13290 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13292 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13294 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13295 (ASM_WEAKEN_LABEL): Define.
13297 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13299 * expr.c (store_constructor): Do not emit USE.
13300 * rtl.h (stupid_life_analysis): Remove.
13302 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13304 * function.c (number_blocks): Reset next_block_index based on
13305 what debugging format is used, not what is defined.
13307 * lcm.c: Minor reformatting throughout.
13308 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13310 * toplev.c (rest_of_compilation): Account for time in
13311 optimize_mode_switching.
13313 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13314 if only marking labels.
13316 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13318 * calls.c (expand_call): Attempt to combine stack adjustments with
13319 pending stack adjustments.
13321 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13323 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13324 to the end of the function.
13326 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13328 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13330 * final.c (next_block_index): Remove.
13331 (max_block_depth): Likewise.
13332 (pending_blocks): Likewise.
13333 (init_final): Don't initialize them.
13334 (final_start_function): Don't set next_block_index. Set up
13336 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13337 * function.h (number_blocks): New function.
13338 * function.c (get_block_vector): New function.
13339 (identify_blocks): Use it.
13340 (reorder_blocks): Set NOTE_BLOCK.
13341 (number_blocks): New function.
13342 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13343 * tree.h (BLOCK_NUMBER): New macro.
13344 (tree_block): Add block_num field.
13345 * dbxout.c (next_block_number): Remove.
13346 (dbxout_init): Don't set it.
13347 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13348 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13350 * toplev.c (rest_of_compilation): Always call
13351 find_loop_tree_blocks. Fix indentation.
13352 * dwarf2out.c (next_block_number): Remove.
13353 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13354 to determine block numbers.
13355 (gen_inlined_subroutine_die): Likewise.
13356 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13357 (decls_for_scope): Don't increment next_block_number.
13358 * dwarfout.c (next_block_number): Remove.
13359 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13360 to determine block numbers.
13361 (output_inlined_subroutine_die): Likewise.
13362 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13363 (output_decls_for_scope): Don't increment next_block_number.
13364 * sdbout.c (next_block_number): Remove.
13365 (sdbout_block): Use BLOCK_NUMBER.
13366 (sdbout_begin_block): Simplify.
13367 * xcoffout.c (next_block_number): Remove.
13368 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13369 (xcoffout_begin_block): Don't set next_block_number.
13370 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13373 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13375 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13376 (expand_builtin_strcpy): Pass correct type to size_binop.
13377 (expand_builtin_strcmp): Likewise.
13378 Clean up conditional structure.
13379 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13380 (complete_array_type): Don't use size_binop for MAXINDEX.
13381 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13382 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13383 (c_alignof): Use size_one_node.
13384 (build_unary_op): Pass arg of proper type to size_binop.
13385 (really_start_incremental_init, push_init_level): Use sizetype for
13386 constructor{,_bit,_unfilled}_index.
13387 (pop_init_label, output_init_element): Likewise.
13388 (output_pending_init_elements, process_init_element): Likewise.
13389 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13390 * expr.c (store_expr): Use size_int.
13391 (store_constructor): Use proper types for size_binop args.
13392 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13393 (expand_expr_unaligned): Likewise.
13394 (string_contant): Return object of sizetype.
13395 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13396 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13397 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13398 * fold-const.c (int_const_binop): Refine when size_int is called.
13399 (fold_convert): Likewise.
13400 (size_int_wide): Rework to take KIND as arg, only take low order
13401 bits, handle new sizetype_tab datatype, and chain entries in
13403 (size_int_type_wide): New function.
13404 (size_binop): Validate types of arguments.
13405 (ssize_binop): Deleted.
13406 (size_diffop): New function.
13407 (extract_muldiv): Only fold division into multiplication for sizetypes.
13408 * function.c (assign_parms): Use size_diffop and make sure
13409 VAR field is of ssizetype; also pass proper type to size_binop.
13410 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13411 (round_down): Deleted from here.
13412 * store-layout.c (sizetype_tab): Now an array.
13413 (sizetype_set, early_root_list): New variables.
13414 (variable_size): Use size_one_node.
13415 (round_up): Pass proper type to size_binop.
13416 (round_down): Moved to here and corrected as above.
13417 (layout_record): Pass proper arg types to size_binop.
13418 (layout_type): Likewise.
13419 If sizetype_set is zero, record the type just laid out.
13420 (make_unsigned_type): Don't call set_sizetype;
13421 (make_signed_type): Likewise; also, call fixup_signed_type.
13422 (initialize_sizetypes): New function.
13423 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13424 set name of bitsizetype to "bit_size_type".
13425 Fix up type of sizes of all types made before call.
13426 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13427 * tree.c (fix_sizetype): Deleted.
13428 (build_common_tree_nodes): Call initialize_sizetypes.
13429 (build_common_tree_nodes_2): Don't call fix_sizetype.
13430 * tree.h (TYPE_IS_SIZETYPE): New macro.
13431 (initialize_sizetype): New declaration.
13432 (enum size_type_kind): New type.
13433 (struct sizetype_tab): Deleted.
13434 (sizetype_tab): Now array; adjust sizetype macros.
13435 (size_diffop, size_int_type_wide): New functions.
13436 (size_int_wide): Change number of args and type; access macros changed.
13437 (ssize_int, sbitsize_int): New macros.
13438 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13439 (ROUND_TYPE_SIZE_UNIT): New macro.
13441 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13443 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13445 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13447 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13448 Mark as possibly unused.
13450 * cse.c (cse_insn): Delete dead code involving tablejump.
13451 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13453 * Makefile.in (libcpp.a): Start by deleting it.
13455 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13457 * cpplib.h (enum file_change_code): Added rename_file.
13458 * cpplib.c (do_line): If a filename is given, set file_change to
13460 (output_line_command): If file_change is rename_file, always
13461 output a # directive with the file name.
13463 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13465 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13467 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13468 when copying a PARM_DECL or RESULT_DECL.
13470 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13472 * fix-header.c (recognized_function): Also fix prototypes for
13473 functions taking "void".
13475 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13477 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13478 looking at reg_reloaded_contents.
13480 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13482 * Makefile.in (STMP_FIXINC): New toggle.
13483 (LIBGCC2_DEPS): Delete all references.
13484 (stmp-headers): Delete target. All references either deleted
13485 or changed to stmp-int-headers.
13486 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13487 (LIBCPP_OBJS): Take out cppalloc.o.
13488 (cppalloc.o): Delete target.
13489 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13490 (gen-protos, fix-header): Link with libiberty.a.
13491 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13494 * configure.in: Remove refs to strerror.
13495 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13496 * system.h: Take out strerror stanza.
13498 * cpperror.c (my_strerror): Delete function.
13499 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13500 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13501 * cppalloc.c: Delete file.
13502 * gen-protos.c: Don't provide xrealloc.
13504 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13505 xstrerror throughout.
13507 2000-02-26 Bruce Korb <bkorb@gnu.org>
13509 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13510 match for DOS headers, too.
13511 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13513 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13515 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13516 is right for most ELF targets.
13517 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13518 Let the default file use %U properly.
13519 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13522 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13525 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13527 * toplev.c (documented_lang_options): Correct spelling error.
13528 (decode_d_option, decode_f_option, main): Likewise.
13530 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13532 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13533 to tell assembler it is permitted to expand large constants.
13535 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13537 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13538 (aux_info_suffix): Use.
13539 (SAVE_SUFFIX): New macro.
13540 (save_suffix): Use.
13541 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13542 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13543 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13545 * invoke.texi (Running Protoize): Update documentation.
13547 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13549 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13551 2000-02-25 John Wehle (john@feith.com)
13553 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
13555 2000-02-25 Anthony Green <green@cygnus.com>
13557 * toplev.c (rest_of_compilation): Rebuild jump labels if
13558 combine_instructions has created a new direct jump.
13559 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
13561 (combine_instructions): Call try_combine with new argument.
13562 Return non-null value when new direct jump instruction is created.
13563 * rtl.h: combine_instructions returns an int.
13565 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
13567 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
13568 jump when changing a computed jump into a jump to a known
13571 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
13573 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
13574 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
13576 * i386.md (define_expand "clrstrsi"): Fix typo.
13578 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
13580 * rtl.texi: Fix typo.
13582 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13584 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
13585 UNITS_PER_WORD. Change caller initial_elimination_offset.
13586 (rounded_frame_size): Take into account that argument pushed has
13587 changed. Fix TARGET_ALIGN_DOUBLE problem.
13589 2000-02-25 Geoff Keating <geoffk@cygnus.com>
13591 * haifa-sched.c (schedule_block): Explain the real reason
13592 we delete REG_SAVE_NOTEs on the first insn of a block.
13593 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
13595 2000-02-24 Mark Mitchell <mark@codesourcery.com>
13597 * input.h (push_srcloc): New function.
13598 (pop_srcloc): Likewise.
13599 * toplev.c (push_srcloc): Define it.
13600 (pop_srcloc): Likewise.
13602 2000-02-24 Richard Henderson <rth@cygnus.com>
13604 * flow.c (life_analysis): When collecting reg info, clear
13607 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13609 Fix bug exposed by reload.c no longer rounding the frame
13610 size to BIGGEST_ALIGNMENT:
13611 * sh.c (rounded_frame_size): New function.
13612 (sh_expand_prologue, sh_expand_epilogue): Use it.
13613 (initial_elimination_offset): Likewise.
13615 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13617 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
13618 * sh-protos.h (sh_need_epilogue): Declare.
13619 * sh.c (sh_need_epilogue_known): New static variable.
13620 (sh_need_epilogue): New function.
13621 (function_epilogue): Clear need_epilogue_known.
13622 * sh.md (return): Split into expander / insn pattern.
13623 Make the expander conditional on ! sh_need_epilogue ().
13625 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
13627 * machmode.h (get_mode_alignment): Declare.
13628 (GET_MODE_ALIGNMENT): Call it.
13629 * stor-layout.c (get_mode_alignment): New function. Make
13630 sure alignment is always power of 2.
13632 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13634 * i386.h: Remove useless definition of "I386" and misleading
13637 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13639 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
13640 under which TREE_PERMANENT will be set.
13641 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
13642 build1): Use TREE_SET_PERMANENT.
13643 * print-tree.c (print_node): Don't report value of
13644 TREE_PERMANENT if ggc_p is true.
13646 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
13647 decide whether to give a type a new alias set.
13648 * objc/objc-act.c (build_objc_string_object): Never copy the string.
13649 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
13650 of value of 'obstack'.
13653 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13655 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
13657 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13659 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
13660 * cpplib.c (cpp_get_token): Produce them.
13661 * cppexp.c (cpp_lex): Handle them.
13663 2000-02-23 Nick Clifton <nickc@cygnus.com>
13665 * config/arm/arm.c (arm_comp_type_attributes): Simply and
13666 comment tests on type attributes.
13668 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13670 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
13671 conform to documentation.
13672 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
13673 to check for special cases.
13674 * sh-protos.h (sh_loop_align): Declare.
13675 * sh.c (sh_loop_align): Define.
13677 2000-02-22 Andrew Haley <aph@cygnus.com>
13679 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
13680 (SIZE_TYPE): Is 32 bits when using -mgp32.
13681 (PTRDIFF_TYPE): Ditto.
13683 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13685 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
13687 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13689 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
13690 BIGGEST_FIELD_ALIGNMENT a constant.
13692 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
13694 * dwarf2out.c (output_line_info): Put the marker for the end of
13695 the line number info at the actual end.
13696 (gen_struct_or_union_type_die): Use decl_function_context
13697 to check for local classes.
13698 * dwarfout.c (output_type): Likewise.
13700 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
13702 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
13703 for arguments with a mode, but no type.
13704 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
13705 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
13706 * pa/long_double.h: New file.
13707 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
13708 both have 128bit wide long doubles.
13709 * configure: Rebuilt.
13711 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13713 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
13715 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
13716 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
13717 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
13719 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
13721 * integrate.c (compare_blocks, find_block): Likewise.
13723 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
13725 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
13727 * stmt.c (stmt_status, set_file_and_line_for_stmt,
13728 expand_asm_operands): Likewise.
13730 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
13732 * predict.c (estimate_probability): Added the pointer heuristic to
13733 the collection of static branch predictors.
13735 2000-02-21 Catherine Moore <clm@cygnus.com>
13737 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
13738 * invoke.texi (-mfix7000): Document.
13740 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
13742 * diagnostic.c (init_output_buffer): Make it possible to output at
13743 least 32 characters if we're given a too long prefix.
13745 2000-02-20 Mark Mitchell <mark@codesourcery.com>
13747 * varasm.c (initializer_constant_valid_p): Call
13748 lang_expand_constant to simplify the constant.
13750 2000-02-20 Bruce Korb <bkorb@gnu.org>
13752 * fixinc/inclhack.def(stdio_va_list):
13753 typedef needs to be disabled.
13754 * fixinc/inclhack.sh: regen
13755 * fixinc/fixincl.x: regen
13757 2000-02-20 Geoff Keating <geoffk@cygnus.com>
13759 * print-rtl.c (print_rtx): Don't print addresses when
13760 flag_dump_unnumbered.
13762 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13764 * sparc.c (sparc_output_scratch_registers): Mark parameter with
13766 (sparc_va_arg, sparc_flat_output_function_prologue,
13767 sparc_flat_output_function_epilogue): Cast value to unsigned in
13769 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
13771 * sparc.md: Add default case in switch.
13773 2000-02-19 Richard Henderson <rth@cygnus.com>
13775 * c-typeck.c (add_pending_init): Don't abort for multiple
13776 fields at the same offset.
13777 (pending_init_member): Test the correct member.
13779 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13781 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
13783 (start_catch_handler) : Same.
13785 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
13787 * Makefile.in: Have flow.o depend on $(EXPR_H)
13789 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13791 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
13792 * c-decl.c (duplicate_decls, finish_enum): Likewise.
13793 (finish_decl): Remove -Wlarger-than code from here.
13794 * flags.h (id_clash_len): Now int.
13795 (larger_than_size): Now HOST_WIDE_INT.
13796 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
13797 Clean up checking to see if in table.
13798 (make_bit_field_ref): Remove extra parm to bitsize_int.
13799 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
13800 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
13801 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
13802 and for computing size of decl.
13803 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
13804 Move -Wlarger-than code to here.
13805 (layout_record): Remove extra arg to bitsize_int.
13806 Set TYPE_BINFO_SIZE_UNIT.
13807 (layout_union): Remove extra arg to bitsize_int.
13808 Use proper type for size of QUAL_UNION.
13809 (layout_type): Remove extra arg to bitsize_int.
13810 * toplev.c (id_clash_len): Now int.
13811 (larger_than_size): Now HOST_WIDE_INT.
13812 (decode_W_option): Clean up id-clash and larger-than- cases.
13813 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
13814 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
13815 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
13816 (struct tree_decl): New field size_unit.
13817 (size_int_wide): No HIGH operand; NUMBER is now signed.
13818 (size_int_2): Deleted.
13819 (size_int, bitsize_int): Don't use it and rework args.
13820 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
13822 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
13824 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
13826 2000-02-18 Geoff Keating <geoffk@cygnus.com>
13828 * invoke.texi (Warning Options): Add an explanation of why
13829 you might want the -Wfloat-equal flag.
13831 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13833 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
13834 * cppinit.c (new_pending_define): Add cast to avoid warning.
13835 * expmed.c (extract_bit_field): Likewise.
13836 * flow.c (enum reorder_skip_type): New type.
13837 (skip_insns_between_blcok): New it.
13838 Rework to avoid warning about possibly undefined variable.
13839 * function.c (assign_parms): Make thisparm_boundary unsigned.
13840 * genrecog.c (write_switch): Cast XWINT result to int.
13841 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
13842 * mips-tfile.c (init_file): Make two versions of FDR intializer:
13843 one for MIPS and one for Alpha.
13844 (get_tag, copy_object): Add casts to avoid warnings.
13845 * optabs.c (init_one_libfunc): Cast NAME to (char *).
13846 * reload.c (find_reloads): Make TYPE enum reload_type.
13847 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
13848 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
13849 * varasm.c (compare_constant_1): Add cast to avoid warning.
13850 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
13852 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
13853 Cast switch operand of size to int.
13854 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
13855 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
13858 2000-02-18 Nick Clifton <nickc@cygnus.com>
13860 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
13861 anything for an alignment of zero.
13863 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
13864 anything for an alignment of zero.
13866 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
13868 * gcc.texi (Bug Reporting): Refer to bugs.html.
13869 (Bug Lists): Likewise.
13870 * system.h (GCCBUGURL): New preprocessor define.
13871 * rtl.c (fancy_abort): Use it.
13872 * gcc.c (main): Likewise.
13874 2000-02-18 Richard Henderson <rth@cygnus.com>
13876 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
13877 (life_analysis_1): Subsume into ...
13878 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
13879 Use update_life_info for the relaxation.
13880 (update_life_info): Update REG_BASIC_BLOCK for registers live on
13881 entry and regs_live_at_setjmp.
13882 (set_noop_p): Simplify.
13883 (notice_stack_pointer_modification_1): Renamed from s/_1//.
13884 (record_volatile_insns): Split into ...
13885 (delete_noop_moves): ... here,
13886 (notice_stack_pointer_modification): ... here,
13887 (insn_dead_p): ... and here.
13888 (propagate_block): Don't query INSN_VOLATILE.
13889 (mark_used_regs): Mind !PROP_REG_INFO.
13890 * toplev.c (rest_of_compilation): Call mark_constant_function here,
13891 not in life_analysis.
13893 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
13895 * loop.c (canonicalize_condition): New function,
13896 broken out of get_condition.
13897 (get_condition): Use it.
13898 * expr.h (canonicalize_condition): Prototype it.
13900 * tree.h (tree_int_cst_msb): Declare.
13901 * tree.c (tree_int_cst_msb): New function.
13903 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13905 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
13908 * invoke.texi (-fmessage-length=n): Document.
13910 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
13912 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
13914 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13916 * function.c (thread_prologue_and_epilogue_insns): Put a line note
13917 after the prologue.
13919 2000-02-17 Nick Clifton <nickc@cygnus.com>
13921 * config/arm/thumb.c: Replace includes of system headers with
13922 #include "system.h".
13924 2000-02-16 Richard Henderson <rth@cygnus.com>
13926 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
13927 Add crtbeginS.o and crtendS.o.
13928 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
13929 (ENDFILE_SPEC): Use crtendS.o.
13930 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
13932 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
13933 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
13934 shared and present.
13935 (__dso_handle): New variable.
13936 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
13937 bias to __CTOR_END__.
13939 2000-02-16 Richard Henderson <rth@cygnus.com>
13941 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
13943 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
13945 * longlong.h (__clz_tab): Declare as static to match definition.
13947 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
13949 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
13950 (XREF_FILE_NAME): Define.
13952 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
13953 (EH_FRAME_SECTION_ASM_OP): Define.
13954 (IDENT_ASM_OP): Define.
13955 (TEXT_SECTION_ASM_OP): Define.
13956 (CPP_SPEC): Define.
13957 (CTORS_SECTION_ASM_OP): Define.
13958 (CTOR_SECTION_FUNCTION): Use it.
13959 (DTORS_SECTION_ASM_OP): Define.
13960 (DTOR_SECTION_FUNCTION): Use it.
13962 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
13964 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
13967 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
13968 debug_bb_n): New functions.
13969 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
13970 * basic-block.h: Prototype new functions.
13972 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
13974 * configure.in: Add support for avr target.
13975 * configure: Rebuilt.
13977 * invoke.texi: Add AVR invocation docs.
13978 * install.texi: Add information about AVR.
13979 * md.texi: Add AVR constraint letters description.
13980 * extend.texi: Add description for AVR specific attributes.
13982 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
13984 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
13986 2000-02-16 Nick Clifton <nickc@cygnus.com>
13988 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
13989 (make_insn_raw): Move RTL check here.
13991 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13993 * version.c: Include gansidecl.h and version.h.
13995 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
13997 * configure.in (gcc_version): When setting, narrow search to
13998 lines containing `version_string'.
14000 * Makefile.in (mainversion): Likewise.
14001 (GCC_H): New variable.
14002 (gcc.h): Delete target.
14003 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14004 (version.o): Depend on version.h.
14005 (dbxout.o): Don't depend on gcc.h.
14007 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14008 Michael Meissner <meissner@cygnus.com>
14010 * md.texi (Simple Constraints): Add item about whitespace.
14011 * genoutput.c (strip_whitespace): New.
14012 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14013 strip_whitespace for constraints.
14014 Test pointer using NULL, not 0.
14016 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14018 * cpplib.c (do_line): Pedwarn for #line > 32767.
14020 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14022 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14024 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14025 to default cpp spec.
14026 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14027 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14030 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14033 2000-02-15 Denis Chertykov <denisc@overta.ru>
14035 * configure.in: Add support for avr target.
14037 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14039 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14040 (sh_addr_diff_vec_mode): Don't declare.
14041 * sh.c (sh_addr_diff_vec_mode): Delete.
14043 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14045 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14047 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14049 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14050 (smulsi3_highpart_i): Name.
14051 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14052 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14053 (smulsi3_highpart, umulsi3_highpart): Likewise.
14055 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14056 correctly independent of endianness.
14057 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14058 confuse the optimizers.
14059 (mulsidi3+1, umulsidi3+1): New define_split.
14061 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14063 * config/sh/sh.md: Guard insn splits against illegal registers.
14064 * config/sh/sh.h: Correct comment about macros.
14066 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14067 Andrew MacLeod <amacleod@cygnus.com>
14069 * Makefile.in (lcm.o): Depend on insn-attr.h.
14070 * basic-block.h (optimize_mode_switching): Declare.
14071 * lcm.c (tm_p.h, insn-attr.h): #include.
14072 (seginfo, bb_info): New structs.
14073 (antic, transp, comp, delete, insert) : New file-scope static variables.
14074 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14075 (reg_becomes_live, optimize_mode_switching): Likewise.
14076 * tm.texi: Add description of mode switching macros.
14077 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14079 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14080 (fldi_ok, fpscr_set_from_mem): New prototypes.
14081 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14082 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14083 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14084 (sh_flag_remove_dead_before_cse): Remove declaration.
14085 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14086 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14087 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14088 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14089 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14090 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14091 (fldi_ok): New function.
14092 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14093 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14094 (emit_df_insn): Likewise.
14095 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14096 (sh_flag_remove_dead_before_cse): Delete.
14097 (get_free_reg, fpscr_set_from_mem): New functions.
14098 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14099 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14101 2000-02-15 Loren Rittle <ljrittle@acm.org>
14103 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14105 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14107 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14108 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14110 * cccp.c: Include version.h and/or don't declare `version_string'.
14111 * collect2.c: Likewise.
14112 * alpha.c: Likewise.
14113 * arm/aof.h: Likewise.
14114 * arm/coff.h: Likewise.
14115 * arm/elf.h: Likewise.
14116 * arm/pe.h: Likewise.
14117 * arm/tcoff.h: Likewise.
14118 * arm/telf.h: Likewise.
14119 * arm/tpe.h: Likewise.
14120 * arm/vxarm.h: Likewise.
14121 * convex/convex.c: Likewise.
14122 * i386/dgux.c: Likewise.
14123 * i386/sun386.h: Likewise.
14124 * m88k/m88k.c: Likewise.
14125 * mcore/mcore-pe.h: Likewise.
14126 * mips/mips.h: Likewise.
14127 * romp/romp.h: Likewise.
14128 * sh/sh.c: Likewise.
14129 * cpphash.c: Likewise.
14130 * cppinit.c: Likewise.
14131 * dwarf2out.c: Likewise.
14132 * dwarfout.c: Likewise.
14135 * mips-tfile.c: Likewise.
14136 * protoize.c: Likewise.
14137 * toplev.c: Likewise.
14138 * tree.h: Likewise.
14140 * version.c (version_string): Constify a char*.
14142 * version.h: New file.
14144 2000-02-14 Nick Clifton <nickc@cygnus.com>
14146 * configure.in: Add mcore-elf and mcore-pe targets.
14147 * configure: Regenerate.
14149 * NEWS: Add note that MCore port has been contributed.
14151 * invoke.texi: Document command line switches for MCore port.
14152 * install.texi: Add MCore to list of supported targets.
14154 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14156 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14157 then we will need to import the frame handling functions.
14158 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14159 to import the frames themselves.
14161 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14162 Jason Eckhardt <jle@cygnus.com>
14164 * basic_block.h: Added prototype for reorder_basic_blocks.
14165 * toplev.c: Changes to add -freorder-blocks and graph dump after
14166 block reordering is done.
14167 * flow.c (reorder_block_def): New structure for use during block
14169 (REORDER_BLOCK_*): New macros to access members of above structure.
14170 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14171 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14172 functions for block reordering.
14174 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14176 * gcc.texi (Passes): Fix typo.
14177 * md.texi (Standard Names): Ditto.
14178 * tm.texi (Storage Layout): Ditto.
14180 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14182 * cpplib.c (do_define): Only free the old definition if it
14185 2000-02-13 Neil Booth <NeilB@earthling.net>
14187 * cppfiles.c (read_and_prescan): When emitting deferred
14188 newlines, test speccase[] again instead of checking each
14189 possible whitespace character in turn. When we encounter \r,
14190 look behind for \n first, then ahead.
14192 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14194 * cse.c (cse_altered): New internal flag.
14195 (cse_insn): Set it if we changed an insn.
14196 (cse_main): Clear cse_altered before each basic block.
14197 Only garbage collect if cse_altered is true afterward.
14199 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14201 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14203 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14205 * combine.c (simplify_comparison): Fix typo.
14207 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14209 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14212 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14214 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14215 previously inserted node instead of root node. Caller changed.
14217 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14219 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14221 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14223 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14224 __dereg_frame_dtor): Add prototype argument.
14226 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14228 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14230 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14232 * gthr-vxworks.h (__gthread_once): Likewise.
14234 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14236 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14238 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14239 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14240 stack pointer in functions w/o saved registers, output LEAVE more often
14241 on TARGET_USE_LEAVE machines.
14243 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14245 * config/arm/arm.c (arm_init_cumulative_args); New function:
14246 Initlaise the CUMULATIE_ARGS strcuture for a function
14248 (arm_function_arg): New function: Determine where to place a
14249 function's argument. Also handles deciding the function's
14251 (current_file_function_operand): New function: Return true if
14252 the symbol is a function which has already been compiled.
14253 (arm_is_long_call_p): New function: Return true if the
14254 indicated function should be called via a long call.
14255 (arm_valid_type_attribute_p): New function: Return true if the
14256 attribute is a valid, arm specific, attribute.
14257 (arm_comp_type_attribute): New function: Return true if the
14258 two types have compatable, arm specific, attributes.
14260 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14262 (FUNCTION_ARG): Redefine to call arm_function_arg.
14263 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14265 (INIT_CUMULATIVE_ARGS): Redefine to call
14266 arm_init_cumulative_args.
14267 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14269 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14271 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14273 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14274 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14275 (COMP_TYPE_ATTRIBUTES): Define.
14277 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14278 if a long call is needed.
14279 (call_value): Call arm_is_long_call_p to decide if a long call
14281 (call_symbol): Call arm_is_long_call_p to decide if a long call
14284 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14286 2000-02-11 Denis Chertykov <denisc@overta.ru>
14288 * README.AVR: New file with information about the avr ports.
14289 * config/avr: New directory with avr port files.
14291 2000-02-11 Andreas Jaeger <aj@suse.de>
14293 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14295 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14297 * cpphash.c: Fix formatting, update commentary.
14298 (dump_definition): Take three separate arguments instead of a
14299 MACRODEF structure argument.
14300 * cpphash.h: Update prototype of dump_definition.
14301 * cppinit.c (cpp_finish): Update call of dump_definition.
14303 * cpplib.c (do_define): Always create new hash entry with
14304 T_MACRO type. Remove redundant check for redefinition of
14305 poisoned identifier. Update call of dump_definition.
14306 (do_undef): Don't call check_macro_name. Rename sym_length to
14308 (do_error, do_warning): Don't use copy_rest_of_line or
14310 (do_warning): Don't use pedwarn for the actual warning,
14311 only the notice about its not being in the standard. (Fixes
14312 bug with #warning in system headers.)
14313 (do_ident): Stricter argument checking - accept only a single
14314 string after #ident. Also, macro-expand the line.
14315 (do_xifdef): Use cpp_defined. De-obfuscate.
14317 (do_pragma): Split out specific pragma handling to separate
14318 functions. Use get_directive_token. Update commentary. Do
14319 not pass on #pragma once or #pragma poison to the front end.
14320 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14321 do_pragma_default): New.
14323 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14325 * jump.c (jump_optimize_1): The first operand in a relational
14326 can be a CONST_INT.
14327 * optabs.c (emit_conditional_move): Handle relationals which
14328 have a known true/false result.
14330 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14332 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14333 a RETURN insn into a block which already ends with a jump.
14335 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14337 * haifa-sched.c (BUF_LEN): Increase a lot.
14339 2000-02-11 Nick Clifton <nickc@cygnus.com>
14341 * configure.in: Add tm_p_file specification for thumb targets.
14342 * configure: Regenerate.
14344 * config/arm/thumb-protos.h: New file: Prototypes for exported
14345 functions defined in thumb.c.
14347 2000-02-11 Robert Lipe <robertl@sco.com>
14349 * Makefile.in (bootstrap-lean): Remove additional files.
14350 (bootstrap2-lean): Likewise.
14351 (VOL_FILES): List of files for above.
14353 2000-02-11 Nathan Sidwell <nathan@acm.org>
14355 * cpphash.c (special_symbol): Remove spurious argument to
14358 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14360 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14362 * configure: Rebuilt.
14364 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14366 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14368 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14370 * pa.c, pa.h: Remove trigraph sequences within comments.
14372 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14374 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14376 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14378 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14380 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14382 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14384 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14386 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14387 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14388 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14389 (ASM_FILE_END): Use c4x_file_end.
14390 * config/c4x/c4x.c (c4x_global_label): New function.
14391 (c4x_external_ref, c4x_file_end): Likewise.
14393 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14394 (c4x_external_ref, c4x_end_file): Likewise.
14396 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14398 * cppexp.c: Don't include cpphash.h.
14399 (parse_charconst, cpp_lex): Use cpp_defined.
14400 (cpp_lex): Use get_directive_token throughout. Remove
14401 unnecessary cases from switch. Move assertion-handling code
14402 down to OTHER case.
14403 (cpp_parse_expr): If we see '+' or '-', check the context to
14404 determine if they are unary or binary operators. Streamline
14405 the jumps a bit. Do not call skip_rest_of_line.
14407 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14408 static. Export get_directive_token. Update commentary.
14409 (cpp_defined): New function.
14410 (do_define): Remove reference to T_PCSTRING. Call
14411 free_definition to release memory for old definition, when
14412 redefining a macro.
14413 (eval_if_expression): Set only_seen_white to 0 before calling
14414 cpp_parse_expr. Call skip_rest_of_line after it returns.
14415 (cpp_read_check_assertion): Don't preserve a pointer into the
14416 token buffer across a call to cpp_get_token.
14418 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14419 * cppfiles.c (redundant_include_p): Use cpp_defined.
14420 * cpphash.c (free_definition): New function.
14421 (delete_macro): Use it. Update commentary.
14422 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14424 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14425 from enum node_type. Prototype cpp_defined and get_directive_token.
14426 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14428 * fix-header.c (check_macro_names): Use cpp_defined.
14429 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14430 the options structure.
14432 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14434 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14436 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14438 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14439 rather than die->die_tag.
14441 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14443 * combine.c (make_extraction, force_to_mode): Avoid warning on
14444 mixed-signedness conditionals.
14445 (make_field_assignment, nonzero_bits): Likewise.
14446 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14447 (store_split_bit_field, extract_split_bit_field): Likewise.
14448 (extract_fixed_bit_field, store_bit_field,
14449 * expr.c: Change alignment to be unsigned everywhere.
14450 (move_by_pieces, store_constructor_field, store_constructor):
14451 Alignment parm is unsigned.
14452 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14453 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14454 (do_compare_rtx_and_jump): Likewise.
14455 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14456 Compare align with GET_MODE_ALIGNMENT.
14457 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14458 (get_inner_reference): Likewise.
14459 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14460 (expand_assignment): Local vars for alignment now unsigned.
14461 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14462 (do_compare_and_jump): Likewise.
14463 (store_field): Call new function expr_align.
14464 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14465 Alignment arg now unsigned.
14466 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14467 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14468 (extract_bit_field): Likewise.
14469 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14470 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14471 (get_best_mode): Alignment arg is unsigned.
14472 * rtl.h (move_by_pieces): Likewise.
14473 * store-layout.c (maximum_field_alignment, set_alignment):
14475 (layout_decl): Alignment arg is now unsigned.
14476 Remove unneeded casts.
14477 (layout_record, layout_union, layout_type): Remove unneeded casts.
14478 Local alignment variables now unsigned.
14479 (get_best_mode): Alignment arg now unsigned.
14480 * tree.c (expr_align): New function.
14481 * tree.h (expr_align): Likewise.
14482 (maximum_field_alignment, set_alignment): Now unsigned.
14483 (get_inner_reference): Alignment argument is now pointer to unsigned.
14484 * varasm.c (assemble_variable): Add cast to eliminate warning.
14486 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14488 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14489 then store directly into op0.
14491 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14492 the CALL_INSN, and emit the note immediately after it.
14494 2000-02-10 Nick Clifton <nickc@cygnus.com>
14496 * config/arm/thumb.md (epilogue): Include a (return) in the
14497 generated insn, and emit it using emit_jump_insn not
14500 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14502 * function.c (assign_temp): Change zero-sized arrays to size 1.
14503 * integrate.c (expand_inline_function): Do not update
14504 stack_alignment_needed
14505 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14506 add some sanity checking, remove optimization for function with
14509 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14511 * flow.c (mark_regs_live_at_end): Delete unused variables.
14513 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14515 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14516 in macro FRAME_GROWS_DOWNWARD.
14518 * stmt.c (expand_end_bindings): Delete unused variable.
14520 * unroll.c (iteration_info): Mark parameter `loop' with
14523 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14525 * fixinc/server.c (load_data): Return NULL if the marker line is
14527 (run_shell): If load_data returns NULL, retry the command once, in
14530 * configure: Rebuilt.
14532 2000-02-09 Bruce Korb <bkorb@gnu.org>
14534 * gcc/fixincludes: ** DELETED **
14535 * gcc/fixcpp: ** DELETED **
14536 * gcc/fixinc-nt.sed: ** DELETED **
14537 * gcc/just-fixinc: ** DELETED **
14538 * gcc/Makefile.in: Removed out-dated commentary
14539 * gcc/configure.in: Removed fast-fixincludes disablement.
14540 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14542 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14543 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14546 2000-02-09 Richard Henderson <rth@cygnus.com>
14548 * jump.c (delete_insn): Don't delete user labels at -O0.
14550 2000-02-09 Robert Lipe <robertl@sco.com>
14552 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
14553 Don't link with HOST_LIBS.
14555 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14557 * configure.in: Correct --help text for --with-dwarf2.
14558 Put tm-dwarf2.h after other tm files, if it's requested.
14559 * configure: Regenerate.
14560 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
14563 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14565 * cpplib.h: Provide HASHNODE typedef and forward decl of
14566 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
14567 DEFINITION, struct hashnode, struct macrodef, struct
14568 definition, scan_decls prototype, default defn of
14569 INCLUDE_LEN_FUDGE moved elsewhere.
14571 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
14572 definition, and struct hashnode moved here. Remove the unused
14573 'predefined' field from struct definition. Replace the 'args'
14574 union with its sole member. All users updated (cpphash.c).
14575 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
14576 multiple include guard.
14578 * cpphash.c (hashf): Make static; use better algorithm; drop
14579 HASHSIZE parameter; return an unsigned int.
14580 (cpp_lookup): Drop HASH parameter. PFILE parameter is
14581 used. Calculate HASHSIZE modulus here.
14582 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
14584 (create_definition): Drop PREDEFINITION parameter.
14585 * cpplib.c (do_define): Don't calculate a hash value here.
14586 Don't pass (keyword == NULL) to create_definition.
14588 * scan.h: Prototype scan_decls here.
14589 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
14590 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
14591 callers of cpp_lookup and cpp_install updated.
14593 * cpphash.c (macarg): Hoist all the flag diddling out of the
14595 (macroexpand): ... and out of the loop that calls macarg.
14596 Skip over the initial paren before macro arguments with
14597 cpp_get_non_space_token; point may be some distance before
14598 that paren. Abort if it's not there.
14600 * cpplib.c (parse_clear_mark): Delete function.
14601 (parse_set_mark, parse_goto_mark): Make static.
14602 (ACTIVE_MARK_P): New macro.
14603 (skip_block_comment, skip_line_comment): Do not bump the line
14604 if ACTIVE_MARK_P is true.
14605 (cpp_pop_buffer): The buffer to be popped may not have an
14607 (cpp_get_token): When looking for the initial paren before
14608 macro arguments, only set a mark in a file buffer, Always
14609 return to that mark before proceeding to call macroexpand or
14610 return a NAME token.
14612 * cpplib.h: Remove prototypes of parse_set_mark,
14613 parse_clear_mark, parse_goto_mark.
14614 (struct cpp_options): Rename 'put_out_comments' to
14615 'discard_comments' and invert its sense.
14616 * cppinit.c, cpphash.c, cpplib.c: All users of
14617 put_out_comments changed to use discard_comments, with
14620 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14622 * function.c (thread_prologue_and_epilogue_insns): Don't delete
14623 the edge from a block that both jumps and falls through to the
14626 2000-02-09 Scott Bambrough <scottb@netwinder.org>
14628 * config/arm/arm.md (movsi): In PIC mode, make sure that a
14629 constant source address is legitimate.
14631 2000-02-09 Philip Blundell <pb@futuretv.com>
14633 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
14636 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
14638 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
14640 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14642 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
14643 ends with a newline and a NUL. Don't be so clever manipulating
14646 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
14648 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
14649 not to BIGGEST_ALIGNMENT.
14651 2000-02-08 Geoff Keating <geoffk@cygnus.com>
14653 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
14654 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
14655 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
14656 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
14657 * frame.c (execute_cfa_insn): Handle
14658 DW_CFA_GNU_negative_offset_extended.
14660 2000-02-08 Richard Henderson <rth@cygnus.com>
14662 * flow.c (tidy_fallthru_edges): Split out from ...
14663 (delete_unreachable_blocks): ... here.
14664 (find_basic_blocks): Use it.
14666 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14668 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
14670 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
14672 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
14673 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
14674 (fix-header.o): Don't depend on cpphash.h.
14676 * scan.c (hashstr): New function.
14677 * scan.h: Prototype it.
14678 * fix-header.c: Don't include cpphash.h. Use hashstr.
14679 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
14680 hashstr. Report hash table statistics. Add private
14681 definition of xrealloc.
14683 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14685 * i386.h (TARGET_SWITCHES): Fix typo in option name.
14687 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
14689 * function.c (thread_prologue_and_epilogue_insns): Don't replace
14690 jumps with returns unless they are jumps to the fallthru block.
14692 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
14694 * i386.md (addqi3_cc): Fix contraints.
14696 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14698 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
14700 2000-02-07 Mark Mitchell <mark@codesourcery.com>
14702 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
14703 carriage return after a macro name.
14705 2000-02-07 Fred Fish <fnf@be.com>
14707 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
14708 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
14710 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
14712 * cppfiles.c (deps_output): Count spacers in deps_column.
14714 2000-02-07 Neil Booth <NeilB@earthling.net>
14716 * cppinit.c (initialize_dependency_output): If there is no
14717 suffix, don't try to look for known suffixes. Use strrchr.
14718 (cpp_start_read): Remove duplicate initialization.
14720 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
14722 * calls.c (compute_argument_block_size): New argument
14723 preferred_stack_boundary.
14724 (expand_call): update cfun->preferred_stack_boundary, update call of
14725 compute_argument_block_size
14726 (emit_library_call): Increate cfun->preferred_stack_boundary
14727 to PREFERRED_STACK_BOUNDARY
14728 (emit_library_call_value): Likewise.
14729 * explow.c (allocate_dynamic_stack_spave): Likewise.
14730 * function.c (prepare_function_start): Set
14731 cfun->preferred_stack_boundary
14732 * function.h (struct function): Add preferred_stack_boundary field.
14733 * integrate.c (expand_inline_function): Update
14734 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
14735 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
14736 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
14738 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
14740 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
14741 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
14742 cpp_pedwarn, cpp_pedwarn_with_line,
14743 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
14744 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
14745 v_cpp_error_with_line, v_cpp_warning_with_line,
14746 cpp_message_from_errno, cpp_perror_with_name): Delete.
14748 * cpperror.c (cpp_print_containing_files): Take starting
14749 buffer as argument.
14750 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
14751 (v_cpp_message): Now called directly by all entry points.
14753 (cpp_pfatal_with_name, cpp_message): Delete.
14754 (cpp_notice_from_errno, cpp_ice): New functions.
14755 (cpp_notice): Is now for reporting error conditions, just
14756 without an associated file.
14757 (cpp_error, cpp_error_with_line): Don't do anything if
14758 opts->inhibit_errors is on.
14759 (cpp_pedwarn_with_file_and_line): Take column argument also.
14761 * cpplib.h: Update prototypes of exported functions.
14762 (struct cpp_options): Add inhibit_errors.
14764 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
14765 non-error messages. Include intl.h.
14767 * cppinit.c, cppmain.c: Likewise. Also, use
14768 cpp_notice_from_errno instead of cpp_perror_with_name or
14769 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
14771 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
14772 report internal errors.
14774 * cpplib.c (do_define): Switch bcopy to memcpy.
14775 Give cpp_pedwarn_with_file_and_line a dummy column argument.
14777 * cpplib.c (copy_rest_of_line): Revert previous change: don't
14778 bail out early if we hit a line comment.
14780 2000-02-06 Richard Henderson <rth@cygnus.com>
14782 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
14783 * basic-block.h: Declare them.
14784 * emit-rtl.h (active_insn_p): New.
14785 (next_active_insn, prev_active_insn): Use it.
14786 * rtl.h: Declare it.
14787 * function.c (emit_return_into_block): New.
14788 (thread_prologue_and_epilogue_insns): Insert return insns instead
14789 of epilogues when possible.
14790 * jump.c (jump_optimize_1): Remove code to insert a return insn
14791 on the fallthru to the exit block.
14793 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
14794 and for non-empty stack frames.
14795 * i386.md (return): Expand to return-pop as needed.
14797 2000-02-06 Richard Henderson <rth@cygnus.com>
14799 * simplify-rtx.c (simplify_relational_operation): Canonicalize
14800 constant to op1 for testing.
14802 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14804 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
14805 (fixuns_truncqfqi2): Use it.
14807 2000-02-06 Richard Henderson <rth@cygnus.com>
14809 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
14810 as a TYPE_LEA insn.
14812 * i386.md (widening and peepholes): Mask the constant instead of
14815 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14817 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
14818 input pointer before possibly branching off to the backslash
14820 * cpphash.c (macroexpand): Correctly delete \r escapes when
14821 stringifying parameters.
14822 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
14823 if we can; bail out early if we hit a line comment.
14824 (handle_directive): Treat '# 123' in an .S file just like
14825 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
14826 Return 1 for '# not_a_directive'.
14827 (get_directive_token): Pop macro buffers here, so that
14828 cpp_get_token can't sneakily move past a newline.
14830 (cpp_get_token): goto randomchar if handle_directive returns 0.
14832 * cppalloc.c: Update copyright.
14833 * cpplib.c: Merge all the static function prototypes into one
14835 * cpplib.h: Remove #if 0 block.
14837 * cpperror.c: Remove #ifdef EMACS block.
14838 * cppmain.c: Likewise.
14839 * cpphash.c: Remove #if 0 blocks.
14840 * cppinit.c: Remove #if 0 blocks, and the -lint option.
14841 * cpplib.c: Remove #if 0 blocks and code referencing
14842 pcp_inside_if or for_lint. Remove duplicate error message.
14843 Fix error messages for #else after #else or #elif. Reformat.
14844 Remove archaic TODO list.
14845 * cpplib.h: Remove pcp_inside_if and for_lint flags.
14847 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14849 * i386/osf1elf.h: Add missing backslash to multiline string.
14851 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14853 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
14855 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14857 * Makefile.in (c-common.o): Depend on $(EXPR_H).
14859 * c-common.c: Include expr.h.
14861 * c-pragma.c (mark_align_stack): Add prototype.
14863 * caller-save.c (add_stored_regs): Likewise.
14865 * combine.c (record_promoted_value): Likewise.
14867 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
14870 * cppinit.c (new_pending_define): Likewise.
14872 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
14874 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
14875 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14876 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
14877 class_scope_p): Likewise.
14879 * dwarf2out.h (dwarf2out_set_demangle_name_func,
14880 dwarf2out_add_library_unit_info): Likewise.
14882 * ggc.h (ggc_page_print_statistics): Likewise.
14884 * haifa-sched.c (propagate_deps): Likewise.
14886 * reg-stack.c (next_flags_user, record_label_references): Likewise.
14888 * rtl.h (set_stack_check_libfunc): Likewise.
14890 * toplev.h (set_fatal_function): Likewise.
14892 * toplev.c (set_fatal_function): Delete prototype.
14894 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
14896 2000-02-05 Geoff Keating <geoffk@cygnus.com>
14898 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
14899 (FUNC_END): Likewise.
14901 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14903 * caller-save.c: Include tm_p.h.
14905 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14907 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
14909 2000-02-04 Neil Booth <NeilB@earthling.net>
14911 * cccp.c (main): Check 'dir' for a NULL pointer before passing
14914 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
14916 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
14917 * genflags.c: Use the max_operand_1 logic from genemit.c to
14918 calculate how many arguments gen_insn prototypes have. Remove
14919 NO_MD_PROTOTYPES ifdefs from the generated file.
14920 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
14921 file. Cast gen_insn initializers to insn_gen_fn.
14922 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
14923 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
14925 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14927 * fixinc/Makefile.in (HDR): Add machname.h.
14930 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14932 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
14933 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
14934 (c4x_cpu_version): Ditto.
14935 * config/c4x/c4x-protos.h: ... here.
14937 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
14939 * dwarf2out.c (add_abstract_origin_attribute): Don't call
14940 gen_abstract_function on our context if we're a nested function.
14942 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14944 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
14945 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
14947 2000-02-04 Bruce Korb <bkorb@gnu.org>
14949 * fixinc/genfixes(machname.h):
14950 Move the functionality from gen-machine.h into this file.
14951 UNdef MN_NAME_PAT if there are no names to change.
14952 Also, be a little kinder when AutoGen is not present.
14954 * fixinc/Makefile.in(machname.h):
14955 Change the generation rule to use genfixes.
14957 * fixinc/fixfixes.c(machine_name):
14958 machine_name_fix's functionality now dependent upon whether
14959 MN_NAME_PAT is defined.
14961 * fixinc/fixtests.c(machine_name):
14964 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
14967 * fixinc/fixlib.h(mn_get_regexps):
14970 * fixinc/gen-machine.h: DELETED
14972 2000-02-04 Jan Hubicka <jh@suse.cz>
14973 Richard Henderson <rth@cygnus.com>
14975 * i386.c (SAVE_REGS_FIRST): Remove.
14976 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
14977 (ix86_compute_frame_size): Likewise.
14978 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
14979 (ix86_emit_restore_regs): Remove.
14980 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
14981 when a frame pointer is in use.
14982 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
14983 instead of pop to restore a register when profitable; emit leave
14985 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
14986 as a TYPE_LEA insn.
14987 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
14988 * i386.md (prologue_allocate_stack): Remove.
14989 (epilogue_deallocate_stack): Remove.
14990 (pro_epilogue_adjust_stack): New.
14992 2000-02-04 Richard Henderson <rth@cygnus.com>
14994 * function.c (diddle_return_value): Rework to use a callback function.
14995 Use current_function_return_rtx if it's been set up.
14996 (do_clobber_return_reg, clobber_return_register): New.
14997 (do_use_return_reg, use_return_register): New.
14998 (expand_function_end): Use them.
14999 * stmt.c (expand_null_return): Likewise.
15000 * function.h: Declare them.
15001 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15002 (mark_reg): Change arguments as appropriate for callback.
15003 * integrate.c (expand_inline_function): Revert 19 Jan change.
15005 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15007 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15008 (Misc): Say the scheduler, not the Haifa scheduler.
15010 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15012 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15013 when in_mem is set. Update all callers.
15015 2000-02-04 Richard Henderson <rth@cygnus.com>
15017 * i386/openbsd.h (INT_ASM_OP): Define.
15019 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15021 * tm.texi: Fix various typos.
15023 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15025 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15026 (MD_STARTFILE_PREFIX_1): New macro.
15028 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15030 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15031 destination when needed.
15032 (strmovsi, strsetsi): New expander.
15033 (strmovsi_1, strsetsi_1): New pattern.
15034 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15035 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15036 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15037 * invoke.texi (align-stringops, inline-all-stringops): Document.
15039 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15041 * i386/netbsd.h (INT_ASM_OP): Define.
15043 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15045 * cpplib.h (cpp_reader): Add new flag, no_directives.
15046 * cpphash.c (macarg): Set it.
15047 * cpplib.c (handle_directive): If no_directives is on and we
15048 find a directive, issue an error and discard the line.
15050 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15052 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15053 FP constants. Add ! TARGET_FPU check for FP constants.
15055 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15057 * flow.c (find_basic_blocks): Don't kill label_value_list
15059 (cleanup_cfg): Kill it here.
15061 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15063 * expr.c (store_field): Ensure ALIGN is no stricter than the
15066 2000-02-02 Richard Henderson <rth@cygnus.com>
15068 * jump.c (delete_insn): Partially revert 19 Jan change;
15069 don't convert unused code labels to notes at -O0.
15071 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15073 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15074 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15076 2000-02-01 Richard Henderson <rth@cygnus.com>
15078 * i386.c (general_no_elim_operand): New.
15079 (nonmemory_no_elim_operand): New.
15080 (ix86_expand_move): Copy eliminable operands before a push.
15081 * i386-protos.h: Declare new functions.
15082 * i386.h (CAN_ELIMINATE): Simplify.
15083 (PREDICATE_CODES): Update.
15084 * i386.md (push insns): Don't allow eliminable register operands.
15086 2000-02-01 Richard Henderson <rth@cygnus.com>
15088 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15089 replace BLKmode with DECL_RTL's mode.
15091 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15093 * frame.c (find_fde): Convert for loop to do-while so compiler
15094 sees it's always executed at least once.
15095 * libgcc2.c (BBINBUFSIZE): Kill.
15096 (__bb_init_prg): Use fgets.
15097 (__bb_exit_trace_func): Don't paste strings.
15098 * unroll.c (unroll_loop): Initialize unroll_type, not
15099 unroll_number, and tweak logic to match.
15101 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15103 (ix86_flags_dependant): Likewise. Disentangle control flow.
15104 (ix86_sched_reorder): Break guts out to
15105 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15106 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15109 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15110 use string concatenation. Don't save and restore esi.
15112 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15113 (machname.h): Remove script to separate file. Use two-step
15114 sequence so target is not created if script fails.
15115 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15116 identifiers are defined.
15117 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15118 an empty string, machine_name doesn't need to do anything at
15120 (is_cxx_header): Add more cases to regexp.
15121 * fixinc/fixlib.h: Update prototype.
15122 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15124 * fixinc/fixincl.c: Define NO_BOGOSITY.
15126 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15127 (hp_sysfile): Add missing comma.
15128 (math_exception): Put the wrapper ifdefs at the beginning and
15129 the end of the file.
15130 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15132 2000-02-01 Richard Henderson <rth@cygnus.com>
15134 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15135 Use CONST0_RTX. Update all callers.
15136 * sparc.h, sparc-protos.h: Update accordingly.
15137 * sparc.md (fp mov insns): Use fp_zero_operand directly
15140 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15142 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15145 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15147 * Makefile.in (specs.ready): New target.
15148 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15150 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15152 * fixinc.irix: Use unique filenames for writing into /tmp,
15153 * fixinc.ptx: Likewise.
15154 * fixinc.sco: Likewise.
15155 * fixinc.svr4: Likewise.
15156 * fixinc.winnt: Likewise.
15158 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15160 * tsystem.h: New file.
15162 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15163 s-crtS): Depend on tsystem.h.
15165 * crtstuff.c: Include tsystem.h.
15166 * frame.c: Likewise.
15167 * libgcc2.c: Likewise.
15169 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15171 * builtins.c (expand_builtin_memset): Expand for variable sized
15174 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15176 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15179 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15181 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15183 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15185 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15187 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15188 case 3->2 combining (combining with splitting) in which 2 is CC0
15189 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15190 checked at the begining of the function with the aid of calling
15191 function 'can_combine_p'.
15193 2000-01-31 Dave Brolley <brolley@redhat.com>
15195 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15197 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15199 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15202 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15204 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15206 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15209 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15211 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15212 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15213 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15214 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15215 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15216 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15217 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15218 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15219 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15220 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15222 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15223 Add %(cpp_cpu) to CPP_SPEC.
15225 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15226 Add %(cc1_cpu) to CC1_SPEC.
15228 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15230 * c-decl.c (c_decode_option): Accept optional numeric argument to
15231 -Wformat and set warn_format.
15232 * c-common.c: Don't emit warning about non-constant printf format
15233 string unless warn_format > 1.
15235 2000-01-30 Richard Henderson <rth@cygnus.com>
15237 * alpha.md (return_internal): Allow after reload only.
15239 2000-01-30 Richard Henderson <rth@cygnus.com>
15241 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15242 local frame size is zero.
15244 2000-01-30 Richard Henderson <rth@cygnus.com>
15246 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15247 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15248 * alpha.md (return): Turn into an expander.
15249 (return_internal): Don't use $26.
15250 (epilogue): Emit the return insn.
15252 2000-01-30 Richard Henderson <rth@cygnus.com>
15254 * alpha.md (negtf2, abstf2): Fix word order thinko.
15255 (extendsftf2): New.
15256 (trunctfsf2): Avoid intermediate rounding errors.
15258 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15260 * cppfiles.c (find_position): Drop 'colp' argument, return the
15262 (read_and_prescan): Adjust to match. Don't ever manipulate
15263 line or line_base except via find_position.
15265 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15267 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15268 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15271 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15273 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15274 just print "<command line>". If 'filename' is null or an
15275 empty string, print "<stdin>" for the filename.
15276 * cpplib.c (do_define): Don't print the 'location of the
15277 previous definition' message if we're still parsing the
15279 (cpp_pedwarn_with_file_and_line): Always call
15280 cpp_file_line_for_message.
15282 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15284 * flow.c (mark_regs_live_at_end): Fix typo.
15286 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15288 * c-common.c: Adjust variable names, comments, help strings to c99.
15289 * c-lex.c: Likewise.
15290 * c-parse.y: Likewise.
15291 * c-tree.h: Likewise.
15292 * cccp.c: Likewise.
15293 * cpplib.h: Likewise.
15294 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15295 * cppinit.c: Likewise.
15297 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15299 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15300 * c4x.c: Define the optab rtx values.
15301 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15302 (c4x_emit_libcall): Use new optab rtx values.
15303 (c4x_emit_libcall3): Likewise.
15304 (c4x_emit_libcall_mulhi): Likewise.
15305 * c4x-protos.h: Add prototypes for optab rtx values and change
15306 prototypes for above c4x_emit_libcall functions.
15308 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15310 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15312 (c4x_function_prologue): Use regnames intead of float_reg_names when
15314 (c4x_function_epilogue): Likewise.
15315 (c4x_print_operand): Likewise.
15316 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15317 * c4x.md (set_high): Disable for TARGET_TI.
15319 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15321 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15322 of framepointer + constant to ADDR_REGS class.
15323 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15324 * c4x.c (std_or_reg_operand): New function.
15325 * c4x-protos.h (std_or_reg_operand): Prototype it.
15327 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15329 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15330 object names as libgcc2.c.
15331 * libgcc.S: Use newly defined names.
15333 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15334 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15336 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15337 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15338 (FLOW_LOOP_LAST_BLOCK): Likewise.
15340 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15342 * basic-block.h (struct loop): New fields 'first' and 'last'.
15343 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15344 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15345 and loop->last to check for NOTE_INSN_LOOP_END.
15347 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15349 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15350 of the loop descriptor rather than HEADER and LATCH. Also added
15351 missing break statements as well making some coding style modifications
15352 as suggested by Michael Hayes.
15354 2000-01-28 Richard Henderson <rth@cygnus.com>
15356 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15357 Break out that code ...
15358 (cleanup_cfg): ... here.
15359 (commit_one_edge_insertion): Detect a return instruction being
15360 emitted to an edge. Emit a barrier following; clear fallthru.
15361 (commit_edge_insertions): Verify CFG consistency.
15362 * function.c (expand_function_start): Kill unused variable.
15363 (expand_function_end): Likewise.
15364 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15365 to insert the epilogue.
15367 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15368 (delete_null_pointer_checks): Likewise.
15369 * output.h: Likewise.
15370 * reg-stack.c (reg_to_stack): Likewise.
15371 * toplev.c (rest_of_compilation): Likewise. Run
15372 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15374 2000-01-28 Richard Henderson <rth@cygnus.com>
15376 * Makefile.in (flow.o): Revert 24 Jan change.
15377 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15378 FUNCTION_VALUE result to DECL_RESULT's mode.
15380 * haifa-sched.c (schedule_insns): Don't recompute reg info
15383 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15385 * configure.in: Make --enable-cpplib the default.
15386 * configure: Regenerate.
15387 * gcc.dg/990119-1.c: No longer expected to fail.
15389 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15391 * jump.c (jump_optimize_1): Delete an optimization that is also done
15392 by merge_blocks in flow.
15394 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15396 * diagnostic.c (build_message_string, output_printf,
15397 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15398 (build_location_prefix): Fix non-literal format string.
15400 2000-01-27 Richard Henderson <rth@cygnus.com>
15402 * alpha.md (trunctfsf2): New.
15404 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15406 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15408 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15410 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15412 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15414 (skip_comment) ... here. Permit C++ comments in system
15415 headers always. Warn about C++ comments in user code under
15416 -std=gnu89 -pedantic.
15417 (copy_comment): Use skip_comment.
15418 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15420 (consider_directive_while_skipping, do_else, do_endif): Call
15421 validate_else unconditionally.
15422 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15423 text after the conditional in a system header.
15424 * cpplib.h (struct cpp_buffer): Add flag
15425 warned_cplusplus_comments.
15427 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15429 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15430 Use unshare_all_rtl_1.
15431 (unshare_all_rtl_again): New function.
15432 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15434 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15435 rather than resetting the 'used' flags ourself.
15437 * toplev.c (rest_of_compilation): Add current_function_decl
15438 to the unshare_all_rtl call.
15439 * tree.h: Prototype unshare_all_rtl.
15440 * rtl.h: Prototype unshare_all_rtl_again here.
15442 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15444 * genoutput.c (output_prologue): Include ggc.h in generated
15446 * Makefile.in (insn-output.o): Depends on ggc.h.
15448 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15449 Hans-Peter Nilsson <hp@bitrange.com>
15451 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15452 Remove redundant include of xm-ns32k.h.
15453 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15454 Remove redundant include of xm-ns32k.h.
15455 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15456 Remove redundant include of xm-ns32k.h.
15457 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15459 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15460 (TARGET_SWITCHES): Add documentation strings.
15461 (DWARF_FRAME_REGNUM): Override default definition.
15462 (REG_CLASS_CONTENTS): Add comments.
15463 (SUBSET_P): Format to reduce line length.
15464 (SMALL_REGISTER_CLASSES): Make a run time option.
15465 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15466 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15467 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15468 (regclass_map): fix typo in comment.
15469 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15470 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15471 (trace, reg_or_mem_operand): Delete, unused function.
15472 (calc_address_cost): Small offsets are cheaper than large ones.
15473 (expand_block_move): Generate more efficient code when bytes is a
15474 known at compile time.
15475 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15476 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15477 instead of reg_or_mem_operand.
15479 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15480 not general_operand. Similarly use "=rm" or stricter, not "=g".
15481 For input operands, use stricter constraints than "g" if not
15482 general_operand. Similarly use stricter predicate than
15483 "general_operand" when stricter constraints than "g" are present,
15484 except for matching constraints.
15485 (movstrsi): Use "memory_operand" for operands 0 and 1.
15486 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15487 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15488 not reg_or_mem_operand.
15489 (udivmoddisi4): Ditto.
15490 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15491 Use nonimmediate_operand for operand 3, not register_operand.
15492 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15493 reg_or_mem_operand.
15495 2000-01-27 Fred Fish <fnf@be.com>
15497 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15498 * gthr-single.h: Likewise.
15499 * gthr-solaris.h: Likewise.
15500 * gthr-vxworks.h: Likewise.
15501 * gthr-win32.h: Likewise.
15502 * gthr.h: Likewise.
15504 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15506 * cppinit.c: Add " (cpplib)" to end of string printed by
15509 2000-01-27 Richard Henderson <rth@cygnus.com>
15511 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15512 testing for a signed comparison.
15513 (alpha_emit_floatuns): New.
15514 * alpha-protos.h: Declare it.
15515 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15516 (extendsfdf2): Tidy.
15518 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15520 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15521 no -g option specifying debugging format, default to -gstabs+.
15523 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15525 * calls.c (special_function_p): New argument fork_or_exec.
15526 (expand_call): When profile_arc_flag is set and the function
15527 is in the fork_or_exec group, call __bb_fork_func first.
15528 * libgcc2.c, _bb module (__bb_fork_func): New function.
15529 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15531 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15532 * tree.h (special_function_p): Update prototype.
15534 2000-01-26 Richard Henderson <rth@cygnus.com>
15536 * alpha.c (alpha_split_tfmode_pair): New.
15537 * alpha-protos.h: Declare it.
15538 * alpha.md (abstf2, negtf2): New.
15539 (movtf insn): Add input G constraint.
15540 (movtf splitter): Use alpha_split_tfmode_pair.
15542 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15544 * i386/cygwin.h: PROTO -> PARAMS.
15546 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15548 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15549 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15550 using _Qp_cmp/_Q_cmp and testing the return value.
15551 (print_operand): Call reverse_condition_maybe_unordered if
15552 we are handling CCFPmode or CCFPEmode.
15553 Handle ORDERED, UN* and LTGT comparisons.
15554 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
15555 if not TARGET_HARD_QUAD.
15556 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
15557 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
15558 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
15559 Adjust gen_b* calls so that they reflect return comparison of
15560 sparc_emit_float_lib_cmp.
15562 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15564 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
15565 incoming operands array is large enough for one more operand.
15566 (alpha_emit_xfloating_arith): Likewise.
15568 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15570 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
15571 file with one line and no trailing newline.
15572 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
15573 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
15574 checking if the match is on the line.
15575 * fixinc/gnu-regex.c: Provide regerror not __regerror.
15577 2000-01-25 Richard Henderson <rth@cygnus.com>
15579 * sparc.c (output_cbranch): Fix accidental squashing of the
15580 fp branch pre-delay nop.
15582 2000-01-25 Richard Henderson <rth@cygnus.com>
15584 * tree.def (UNNE_EXPR): Remove.
15585 * c-typeck.c (build_binary_op): Don't handle it.
15586 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
15588 * rtl.def (UNNE): Remove.
15590 * jump.c (reverse_condition): Update accordingly.
15591 (swap_condition): Likewise.
15592 (comparison_dominates_p): Handle unordered comparisons.
15593 (reverse_condition_maybe_unordered): New.
15594 * rtl.h (reverse_condition_maybe_unordered): Declare.
15596 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
15597 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
15598 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
15599 * sparc.md (bltgt): New.
15601 2000-01-25 Nick Clifton <nickc@redhat.com>
15603 * emit-rtl.c (emit_insn): Only check machine class insns for
15604 improper emission of a RETURN.
15606 2000-01-25 Richard Henderson <rth@cygnus.com>
15608 * Makefile.in (flow.o): Depend on $(EXPR_H).
15609 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
15610 duplicate the structure of diddle_return_value for keeping regs live.
15612 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15614 * loop.c (current_loop_info): Delete.
15615 (consec_sets_invariant_p): Add loop argument, update callers.
15616 (get_condition_for_loop): Likewise.
15617 (count_nonfixed_reads, update_giv_derive): Likewise.
15618 (simplify_giv_expr, general_induction_var): Likewise.
15619 (consec_sets_giv, recombine_givs): Likewise.
15620 (move_movables): Delete loop_start and loop_end arguments,
15621 add loop argument, and update callers.
15622 (find_mem_givs, check_final_value): Likewise.
15623 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
15624 (loop_invariant_p): Rename from invariant_p, add loop argument, and
15626 (basic_induction_var): Add loop argument, delete loop_level argument,
15627 and update callers.
15628 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
15629 add loop argument, and update callers.
15630 (find_splittable_regs, find_splittable_givs): Likewise.
15631 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
15632 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
15633 (biv_total_increment): Delete loop_start and loop_end arguments;
15635 (precondition_loop_p): Delete loop_start and loop_info arguments;
15637 * loop.h (get_condition_for_loop): Add loop argument.
15638 (biv_total_increment): Delete loop_start and loop_end arguments.
15639 (precondition_loop_p): Delete loop_start and loop_info arguments;
15641 (final_biv_value): Delete loop_start and loop_end arguments;
15643 (final_giv_value, back_branch_in_range_p): Likewise.
15645 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15647 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
15649 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15651 * Makefile.in (c-gperf.h) : Change the "See" pointer to
15652 point to the new "generated_files" doc.
15654 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15656 * config/fp-bit.c (_unord_f2): Fix typo.
15658 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15660 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
15661 c-typeck.c, objc/objc-act.c: Remove all references to obstack
15662 functions obsoleted by GC, such as push_obstacks_nochange,
15663 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
15664 and code which existed only to decide whether or not to call
15665 them. Remove now-unused NESTED argument from start_function;
15666 all callers changed. Do not change behavior based on ggc_p.
15667 The use of the ixp_obstack in c-iterate.c and the util_obstack
15668 in objc/objc-act.c remain; these are not obsoleted by garbage
15670 * c-tree.h: Update prototype for start_function.
15672 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
15674 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15676 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
15679 2000-01-25 Richard Henderson <rth@cygnus.com>
15681 * sparc-protos.h (select_cc_mode): Declare.
15682 * sparc.c (select_cc_mode): New. Handle unordered compares.
15683 (output_cbranch): Always reverse via code change. Handle
15684 unordered compares. Factor tests and string updates.
15685 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
15686 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
15687 * sparc.md (bunordered, bordered): New.
15688 (bungt, bunlt, buneq, bunge, bunle): New.
15690 2000-01-25 Richard Henderson <rth@cygnus.com>
15692 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
15693 * ggc-common.c (ggc_add_rtx_varray_root): New.
15694 (ggc_mark_rtx_varray): New.
15695 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
15696 functions down below ggc_mark_foo.
15697 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
15699 2000-01-25 Richard Henderson <rth@cygnus.com>
15701 * alpha.c (secondary_reload_class): Don't allocate a secondary
15702 for integral mode memories into FLOAT_REGS. Rearrange the more
15703 complicated memory expression inward.
15705 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15707 * inclhack.def: Fixes to play nicer with FreeBSD, and
15708 corrections to comments.
15709 (cxx_unready): Add select expression.
15710 (irix_sockaddr): Add bypass expression.
15711 (machine_ansi_h_va_list): New fix.
15712 (stdio_va_list): No need to edit _BSD_VA_LIST_.
15713 Split out addition of "#include <stdarg.h>" to...
15714 (stdio_stdarg_h): ... here.
15715 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
15716 to stdlib.h also. Do not munge _BSD_SIZE_T_.
15717 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
15719 (ultrix_ifdef): Tighten up select expression.
15721 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
15722 re_ct and max_mach to avoid use of shell. Make printed names
15723 match names in inclhack.def. Use static copyright date.
15724 Don't count c_test and test expressions as requiring regex_t
15725 slots. Add some commentary.
15726 * inclhack.tpl: Do not include the 'This script contains N
15727 fixup scripts' line if PROGRAM is defined. Use static
15730 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
15732 * dwarf2out.c: include "varray.h", not dyn-string.h.
15733 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
15734 (addr_const_to_string, addr_to_string): Lose.
15735 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
15736 (struct dw_val_struct): val_addr is now an rtx.
15737 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
15738 (used_rtx_varray): New varray.
15739 (dwarf2out_init): Initialize it.
15740 (save_rtx): New fn.
15741 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
15743 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
15744 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
15745 * Makefile.in (dwarf2out.o): Update dependencies.
15747 2000-01-24 Richard Henderson <rth@cygnus.com>
15749 * i386.c (i386_dwarf_output_addr_const): New.
15750 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
15752 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
15754 * dwarfout.c (output_mem_loc_descriptor): Likewise.
15755 * i386.c (i386_simplify_dwarf_addr): New.
15756 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
15758 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
15760 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
15761 TYPE_STUB_DECL is NULL.
15763 2000-01-24 Richard Henderson <rth@cygnus.com>
15765 * builtins.c (expand_tree_builtin): Move ...
15766 * c-common.c (expand_tree_builtin): ... here.
15768 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15770 * loop.h (LOOP_INFO): New accessor macro.
15771 * basic-block.h (struct loop): Rename field `info' to `aux'.
15772 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
15773 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
15774 * unroll.c (loop_iterations, unroll_loop): Likewise.
15776 2000-01-24 Christopher Faylor <cgf@cygnus.com>
15778 * config/i386/t-cygwin: Accomodate new winsup directory layout
15779 when searching for include files.
15781 2000-01-24 Richard Henderson <rth@cygnus.com>
15783 * rtl.def: Add unordered fp comparisions.
15784 * tree.def: Likewise.
15785 * tree.h: Add ISO C 9x unordered fp comparision builtins.
15787 * builtins.c (expand_tree_builtin): New function.
15788 * c-typeck.c (build_function_call): Use it.
15789 (build_binary_op): Support unordered compares.
15790 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
15792 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
15793 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
15794 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
15795 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
15796 * jump.c (reverse_condition): Don't abort for UNLE etc, but
15798 (swap_condition): Handle unordered compares.
15799 (thread_jumps): Check can_reverse before reversing.
15800 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
15803 * optabs.c (can_compare_p): New argument CODE. Verify branch or
15804 setcc is present before acking for cmp_optab. Update all callers.
15805 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
15806 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
15807 * expr.c (expand_expr): Likewise. Support unordered compares.
15808 (do_jump, do_store_flag): Likewise.
15809 * expr.h (enum libfunc_index): Add unordered compares.
15811 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
15812 (DPBIT_FUNCS): Add _unord_df.
15813 * config/fp-bit.c (_unord_f2): New.
15814 * fp-test.c (main): Try unordered compare builtins.
15816 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
15817 * alpha.c (alpha_comparison_operator): Check mode properly.
15818 (alpha_swapped_comparison_operator): Likewise.
15819 (signed_comparison_operator): Likewise.
15820 (alpha_fp_comparison_operator): New.
15821 (alpha_emit_conditional_branch): Handle unordered compares.
15822 * alpha.h (PREDICATE_CODES): Update.
15823 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
15824 (bunordered, bordered): New.
15826 2000-01-24 Richard Henderson <rth@cygnus.com>
15828 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
15829 * alpha.md (movtf): New expander, insn, and splitter.
15831 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
15833 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15836 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
15838 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
15839 (FIXED_REGISTERS, CALL_USED_REGISTERS,
15840 REG_ALLOC_ORDER): Add frame pointer
15841 (FRAME_POINTER_REGNUM): Set to 20
15842 (HARD_FRAME_POINTER_REGNUM): New macro.
15843 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
15844 to HARD_FRAME_POINTER.
15845 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
15846 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
15847 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
15848 (HI_REGISTER_NAMES): Add "frame".
15849 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
15850 (debug_reg): Handle FRAME_POINTER_REGNUM.
15851 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
15852 GENERAL_REGS and INDEX_REGS.
15853 * i386.c (SAVED_REGS_FIRST): new macro.
15854 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
15855 (ix86_decompose_address, memory_address_length): Likewise.
15856 (regclass_map): Add frame pointer.
15857 (call_insn_operand): Handle frame_pointer_rtx.
15858 (reg_no_sp_operand): Likewise.
15859 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
15860 (print_operand, legitimize_pic_address): Fix formating.
15861 (ix86_compute_frame_size): Make static, update prototype, new
15862 parameters padding1, padding2, use ix86_nsaved_regs, use
15863 stack_alignment_needed.
15864 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
15865 to HARD_FRAME_POINTER_REGNUM conversions.
15866 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
15867 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
15868 (print_reg): Abort on FRAME_POINTER_REGNUM
15870 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
15872 * i386.h (PREDICATE_CODES): Add aligned_operand.
15873 * i386.c (aligned_operand): New function.
15874 (ix86_aligned_p): Kill.
15875 * i386.md (movhi_1): Emit mov for aligned operands.
15876 (promoting peep2s): Use aligned_operand.
15878 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
15880 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
15881 expression to allow underscores in macro names.
15882 (fix_char_macro_defines): Increment scanning pointer.
15884 2000-01-23 Richard Henderson <rth@cygnus.com>
15886 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
15887 * alpha/osf5.h: New file.
15888 * configure.in (alpha-*-osf5): Add it to tm_file.
15890 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
15892 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
15893 (alpha_emit_xfloating_cvt, function_arg): Declare.
15894 * alpha.c (alpha_emit_conditional_branch): Call
15895 alpha_emit_xfloating_compare for TFmode compares.
15896 (alpha_lookup_xfloating_lib_func): New.
15897 (alpha_compute_xfloating_mode_arg): New.
15898 (alpha_emit_xfloating_libcall): New.
15899 (alpha_emit_xfloating_arith): New.
15900 (alpha_emit_xfloating_compare): New.
15901 (alpha_emit_xfloating_cvt): New.
15902 (print_operand): Add default abort case.
15903 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
15904 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
15905 (BIGGEST_ALIGNMENT): Increase to 128 bits.
15906 (RETURN_IN_MEMORY): True for TF/TCmode.
15907 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
15908 (FUNCTION_ARG): Move to function_arg.
15909 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
15910 (ASM_OUTPUT_LONG_DOUBLE): New.
15911 (ASM_OUTPUT_DOUBLE): Always output bits.
15912 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
15913 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
15914 (extenddftf2, trunctfdf2): New.
15916 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15918 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
15919 * config/sparc/sol2.h: ... here.
15921 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15923 * basic-block.h (struct loops): New field `levels'.
15924 * flow.c (flow_loops_level_compute): Traverse all outer loops.
15925 (flow_loop_level_compute): Initialise level to 1.
15926 (flow_loops_find): Set loops->levels.
15927 (flow_loops_dump): Print loops->levels.
15929 2000-01-23 Richard Henderson <rth@cygnus.com>
15931 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
15932 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
15934 2000-01-23 Richard Henderson <rth@cygnus.com>
15936 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
15937 * i386.h (DBX_REGISTER_NUMBER): Use them.
15938 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
15939 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
15940 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
15941 * i386/sequent.h: Kill incorrect comment.
15943 2000-01-23 Mark Mitchell <mark@codesourcery.com>
15945 * ggc-page.c (struct page_entry): Make `context_depth' an
15947 (struct globals): Likewise.
15949 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
15951 * loop.c (check_dbra_loop): When checking a loop for
15952 reversability, check the source of any stores to ensure
15953 they don't depend on an initial value.
15955 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15957 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
15959 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
15961 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
15962 'pz_scan' into scope of entire function. Only affects
15963 compiles with -DDEBUG.
15965 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
15967 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
15968 section naming to that prior to 2000-01-07 patch.
15969 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
15970 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
15971 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
15972 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
15973 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
15975 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
15977 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
15980 2000-01-21 Jim Wilson <wilson@cygnus.com>
15982 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
15983 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
15985 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15987 * cpphash.c (change_newlines): Delete function.
15988 (struct argdata): Delete 'newlines' and 'use_count' fields.
15989 (macroexpand): Remove code referencing those fields.
15991 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15993 * loop.c (loops_info): New variable.
15994 (loop_optimize): Allocate loops->array and free it on exit.
15995 Allocate memory for loops_info and assign to each loop,
15997 (find_and_verify_loops): Do not allocate loops->array.
15999 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16001 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16003 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16005 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16006 pseudos if expanded after first flow.
16007 (movdi_pic_label_ref): Likewise.
16009 2000-01-20 Richard Henderson <rth@cygnus.com>
16011 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16013 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16015 * Makefile.in (fixinc.sh): Depend on specs.
16016 * fixinc/Makefile.in: Add rule to create machname.h.
16017 (fixlib.o): Depend on machname.h.
16018 * fixinc/fixtests.c (machine_name): New test.
16019 * fixinc/fixfixes.c (machine_name): New fix.
16020 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16021 the machine_name test and fix.
16022 * fixinc/fixlib.h: Prototype it.
16023 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16024 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16026 * gcc.c (do_spec_1) [case P]: Take care not to create
16027 identifiers with three leading or trailing underscores.
16029 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16030 (fixincl): Don't specify libraries twice on link line.
16031 (gnu-regex.o): Remove special rule.
16032 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16033 defined by config.h. Do not define _REGEX_RE_COMP.
16034 (regcomp): Allocate and initialize a fastmap.
16035 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16037 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16039 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16041 2000-01-19 Richard Henderson <rth@cygnus.com>
16043 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16044 arguments with BB. Update all callers. Tidy line wrapping.
16046 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16048 * emit-rtl.c (try_split): Return last_insn if we split the
16051 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16053 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16054 (ix86_initial_elimination_offset): Declare.
16055 * i386.c (ix86_nsaved_regs): Break out from ...
16056 (ix86_can_use_return_insn_p): ... here.
16057 (ix86_emit_save_regs): Break out from ...
16058 (ix86_expand_prologue): ... here.
16059 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16061 (ix86_expand_epilogue): ... here.
16062 (ix86_compute_frame_size): Make static, add prototype.
16063 (ix86_initial_elimination_offset): Break out from ...
16064 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16066 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16068 * recog.h (OUT_FCN): Delete.
16070 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16072 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16074 * cppalloc.c: PROTO -> PARAMS.
16075 * cpperror.c: Likewise.
16076 * cppfiles.c: Likewise.
16077 * cpplib.c: Likewise.
16078 * cpplib.h: Likewise.
16080 * config/arm/arm-protos.h: PROTO -> PARAMS.
16081 * config/arm/arm.c: Likewise.
16082 * config/c4x/c4x.c: Likewise.
16083 * config/fr30/fr30-protos.h: Likewise.
16084 * config/nextstep.c: Likewise.
16085 * config/pa/pa.c: Likewise.
16086 * config/pj/pj.c: Likewise.
16087 * config/rs6000/rs6000.c: Likewise.
16088 * config/v850/v850-protos.h: Likewise.
16089 * config/v850/v850.c: Likewise.
16091 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16093 * i370-protos.h: New file.
16095 * i370.c: Include tm_p.h. Fix compile time warnings.
16097 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16100 * i370.md: Likewise.
16102 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16104 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16105 (target_isinf, target_isnan, eisnan): Mark parameter with
16107 (eiisinf): Wrap in INFINITY.
16108 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16109 (ibmtoe): Remove unused variable `rndsav'.
16111 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16113 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16114 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16116 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16118 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16119 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16120 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16122 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16123 Recognize Emacs mode markers also.
16124 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16125 C++ comments in C++ headers. Call is_cxx_header only if
16128 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16129 bypass for ncurses.
16130 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16131 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16132 ... these, which use the new C fixes.
16133 (math_exception): Escape literal '+' in bypass expression.
16135 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16138 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16140 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16143 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16145 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16146 prior to calling scan_loop.
16148 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16150 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16151 (split_branches, calc_live_regs): Likewise.
16153 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16155 * sh.md (fpu_single, fp_mode): New attributes.
16157 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16159 * loop.c (current_loop_info): Renamed from loop_info_data
16160 and changed to a pointer.
16161 (loop_optimize): Allocate loop_info structure for each loop
16162 and initialise to zero.
16163 (scan_loop): Set current_loop_info.
16165 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16168 2000-01-19 Richard Henderson <rth@cygnus.com>
16170 * stupid.c: Die die die.
16171 * Makefile.in (OBJS): Remove stupid.o.
16172 (stupid.o): Likewise.
16174 * except.c (emit_eh_context): Don't emit USEs for stupid.
16175 * explow.c (probe_stack_range): Likewise.
16176 * flags.h (obey_regdecls): Remove.
16177 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16178 when not optimizing.
16179 (life_analysis): Limit data collection when not optimizing.
16180 (mark_regs_live_at_end): Always mark the return value registers.
16181 (mark_used_regs): Remove dummy RETURN case.
16182 (print_rtl_with_bb): Don't consult obey_regdecls.
16183 * function.c (use_variable, use_variable_after): Remove.
16184 (assign_parms): Consult optimize not obey_regdecls.
16185 (expand_function_start): Don't emit USEs for stupid.
16186 (expand_function_end): Likewise.
16187 * global.c (build_insn_chain): Export.
16188 * integrate.c (expand_inline_function): Kill return-value USE
16190 * jump.c (jump_optimize_1): Do simple jump optimizations and
16191 dead code elimination.
16192 (calculate_can_reach_end): Remove check_deleted argument.
16193 (delete_insn): Patch out insns even when not optimizing.
16194 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16195 * rtl.h (use_variable, use_variable_after): Remove declarations.
16196 (build_insn_chain): Declare.
16197 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16198 (expand_end_bindings): Likewise.
16199 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16200 * toplev.c (obey_regdecls): Remove.
16201 (rest_of_compilation): Don't set it. Kill stupid in favour of
16202 flow1, local-alloc, and reload.
16203 (main): Don't set obey_regdecls.
16205 * config/nextstep.c (handle_pragma): Likewise.
16207 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16209 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16211 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16213 * alpha-protos.h: PROTO -> PARAMS.
16214 * alpha.c: Likewise.
16216 * h8300.c: Likewise.
16217 * i386-protos.h: Likewise.
16218 * i386.c: Likewise.
16219 * m32r-protos.h: Likewise.
16220 * m32r.c: Likewise.
16221 * mips.c: Likewise.
16222 * mips.md: Likewise.
16223 * gmon-sol2.c: Likewise.
16224 * sparc.c: Likewise.
16226 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16228 * ns32k-protos.h: New file.
16230 * ns32k.c: Fix compile time warnings.
16232 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16235 * ns32k.md: Likewise.
16237 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16239 * vax-protos.h: New file.
16241 * vax.c: Fix compile time warnings.
16243 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16246 * vax.md: Likewise.
16248 * vaxv.md: Likewise.
16250 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16252 * romp-protos.h: New file.
16254 * romp.c: Fix compile time warnings.
16256 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16259 * romp.md: Likewise.
16261 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16263 * we32k-protos.h: New file.
16265 * we32k.c: Fix compile time warnings.
16267 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16270 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16272 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16274 * except.c (eh_regs): Likewise.
16276 * final.c (output_operand): Likewise.
16278 * fold-const.c (target_isinf, target_isnan): Likewise.
16280 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16282 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16283 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16285 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16286 when optimize_size.
16287 (clrstrsi): Rewrite.
16288 (strsethi, strsetqi): New expanders.
16289 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16290 (cmpstrsi): Emit compare insn before cmpstrsi_1
16291 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16292 (strlensi_1): Likewise.
16293 (cmpstrsi_1): Likewise; do not output compare.
16294 (strlen expander): Do not unroll when optimizing for size.
16295 (*subsi3_carry): Rename to subsi3_carry
16296 (addqi3_cc): New pattern.
16297 * i386.h (processor_costs): Add move_ratio field.
16298 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16299 * i386.c (*_cost): Set move_ratio.
16300 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16301 (x86_expand_strlensi_1): Rewrite the main loop.
16303 2000-01-17 Richard Henderson <rth@cygnus.com>
16305 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16306 * cse.c (find_comparison_args, fold_rtx): Likewise.
16307 * integrate.c (subst_constants): Likewise.
16308 * loop.c (get_condition): Likewise.
16310 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16312 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16314 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16316 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16317 (RESTORE_WARN_FLAGS): Unpack it.
16318 Change semantic type of extension to ttype.
16319 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16320 * c-parse.y, c-parse.c, objc/objc-parse.y,
16321 objc/objc-parse.c: Regenerate.
16323 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16325 * fixinc/fixlib.c: Add copyright notice.
16326 (compile_re): New function.
16327 * fixinc/fixlib.h: Prototype compile_re.
16329 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16330 Use compile_re to compile regular expressions.
16332 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16333 where the pattern matched.
16335 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16337 (ultrix_ansi_compat): Likewise.
16338 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16340 (interactv_add2, interactv_add3): Delete.
16341 (x11_sprintf): Don't use filename glob.
16342 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16345 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16347 * print-rtl.c: PROTO -> PARAMS.
16348 * real.c: Likewise.
16349 * reg-stack.c: Likewise.
16350 * resource.c: Likewise.
16351 * sdbout.h: Likewise.
16352 * simplify-rtx.c: Likewise.
16353 * stor-layout.c: Likewise.
16354 * stupid.c: Likewise.
16355 * xcoffout.c: Likewise.
16356 * xcoffout.h: Likewise.
16358 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16360 * toplev.c: PROTO -> PARAMS.
16361 * toplev.h: Likewise.
16362 * tree.c: Likewise.
16363 * tree.h: Likewise.
16364 * unroll.c: Likewise.
16365 * varasm.c: Likewise.
16366 * varray.c: Likewise.
16367 * varray.h: Likewise.
16369 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16371 * reload.c: PROTO -> PARAMS.
16372 * reload.h: Likewise.
16373 * reload1.c: Likewise.
16374 * reorg.c: Likewise.
16375 * resource.h: Likewise.
16378 * rtlanal.c: Likewise.
16379 * sbitmap.h: Likewise.
16380 * sdbout.c: Likewise.
16381 * stack.h: Likewise.
16382 * stmt.c: Likewise.
16383 * system.h: Likewise.
16385 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16387 * machmode.h: PROTO -> PARAMS.
16388 * mbchar.h: Likewise.
16389 * mips-tdump.c: Likewise.
16390 * mips-tfile.c: Likewise.
16391 * optabs.c: Likewise.
16392 * output.h: Likewise.
16393 * prefix.c: Likewise.
16394 * profile.c: Likewise.
16395 * protoize.c: Likewise.
16396 * real.h: Likewise.
16397 * recog.c: Likewise.
16398 * recog.h: Likewise.
16399 * regclass.c: Likewise.
16400 * regmove.c: Likewise.
16401 * regs.h: Likewise.
16403 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16405 * ggc-common.c: PROTO -> PARAMS.
16406 * ggc-page.c: Likewise.
16407 * ggc-simple.c: Likewise.
16409 * global.c: Likewise.
16410 * graph.c: Likewise.
16411 * gthr-win32.h: Likewise.
16412 * haifa-sched.c: Likewise.
16413 * halfpic.h: Likewise.
16414 * integrate.c: Likewise.
16415 * integrate.h: Likewise.
16416 * jump.c: Likewise.
16418 * local-alloc.c: Likewise.
16419 * loop.c: Likewise.
16420 * loop.h: Likewise.
16422 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16424 * genattr.c: PROTO -> PARAMS.
16425 * genattrtab.c: Likewise.
16426 * gencheck.c: Likewise.
16427 * gencodes.c: Likewise.
16428 * genconfig.c: Likewise.
16429 * genemit.c: Likewise.
16430 * genextract.c: Likewise.
16431 * genflags.c: Likewise.
16432 * gengenrtl.c: Likewise.
16433 * genopinit.c: Likewise.
16434 * genoutput.c: Likewise.
16435 * genpeep.c: Likewise.
16436 * genrecog.c: Likewise.
16438 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16440 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16442 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16444 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16445 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16446 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16447 * configure, config.in: Rebuilt.
16449 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16451 * config/i386/i386.md: Add peephole to merge successive stack
16454 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16456 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16457 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16458 when walking backwards to find all the parameter loads when
16459 the basic block ends in a call.
16461 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16463 * loop.c (this_loop_info): Delete.
16464 (uid_loop): Add in place of uid_loop_num. All uses updated.
16465 (loop_number_exit_count): Delete and replace with entry in loop
16466 structure. All uses updated.
16467 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16468 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16469 (loop_outer_loop): Likewise.
16470 (loop_invalid, loop_number_exit_labels): Likewise.
16471 (loop_used_count_register): Delete and replace with entry in
16472 loop_info structure.
16473 (find_and_verify_loops): Add loops argument.
16474 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16475 loop_end, etc. arguments with loop structure pointer. All callers
16477 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16478 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16479 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16480 (insert_bct): Likewise.
16481 (basic_induction_var): New argument level.
16482 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16483 vtop, and cont. Add used_count_register.
16484 (uid_loop): Delete declaration.
16485 (loop_number_exit_count): Likewise.
16486 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16487 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16488 (loop_outer_loop, loop_used_count_register): Likewise.
16489 (loop_invalid, loop_number_exit_labels): Likewise.
16490 (unroll_loop): Replace loop_start and loop_end arguments
16491 with loop structure pointer.
16492 (loop_precondition_p, loop_iterations): Likewise.
16493 Include basic-block.h.
16494 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16495 with loop structure pointer.
16496 (loop_precondition_p, loop_iterations): Likewise.
16497 * basic-block.h (struct loop): New entries vtop, cont,
16498 cont_dominator, start, end, top, scan_start, exit_labels,
16500 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16502 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16504 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16506 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16508 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16510 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16512 * pdp11-protos.h: New file.
16514 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16517 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16520 * pdp11.md: Likewise.
16522 * 2bsd.h: Likewise.
16524 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16526 * mn10300-protos.h: New file.
16528 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16531 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16534 * mn10300.md: Likewise.
16536 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16538 * mn10200-protos.h: New file.
16540 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16543 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16546 * mn10200.md: Likewise.
16548 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16550 * h8300-protos.h: New file.
16552 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
16555 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
16558 * h8300.md: Likewise.
16560 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16562 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
16563 (asm_emit_uninitialised): Likewise.
16565 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
16567 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
16568 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
16570 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16572 * config/mips/mips.c (override_options): Don't turn on extra
16573 alignment for mips16.
16575 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16577 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
16578 eabi, and make sure queued POSTINCREMENT rtl is emitted at
16581 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16583 * builtins.c (PAD_VARARGS_DOWN): Define.
16584 (std_expand_builtin_va_arg): Use the above macro.
16585 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
16586 * tm.texi (Register Arguments): Document the above macro.
16588 2000-01-14 Nick Clifton <nickc@cygnus.com>
16590 * emit-rtl.c (emit_insn): If checking is enabled, make sure
16591 that this function has not been used to emit a jump
16594 * jump.c (return_jump_1): Cope with being passed a null rtx.
16596 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16598 * eh-common.h: PROTO -> PARAMS.
16599 * emit-rtl.c: Likewise.
16600 * errors.c: Likewise.
16601 * errors.h: Likewise.
16602 * except.c: Likewise.
16603 * except.h: Likewise.
16604 * explow.c: Likewise.
16605 * expmed.c: Likewise.
16606 * expr.c: Likewise.
16607 * expr.h: Likewise.
16608 * final.c: Likewise.
16609 * fix-header.c: Likewise.
16610 * flow.c: Likewise.
16611 * fold-const.c: Likewise.
16612 * function.c: Likewise.
16613 * function.h: Likewise.
16615 * gcov-io.h: Likewise.
16616 * gcov.c: Likewise.
16617 * gcse.c: Likewise.
16619 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16621 * sh-protos.h: New file.
16623 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
16624 Add static prototypes. Fix compile time warnings.
16626 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
16630 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16632 * arc-protos.h: New file.
16634 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
16637 * arc.h: Move prototypes to arc-protos.h. Fix compile time
16640 * arc.md: Likewise.
16642 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16644 * dsp16xx-protos.h: New file.
16646 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
16649 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
16652 * dsp16xx.md: Likewise.
16654 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16656 * convex-protos.h: New file.
16658 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
16661 * convex.h: Move prototypes to convex-protos.h. Fix compile time
16664 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16666 * elxsi-protos.h: New file.
16668 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
16671 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
16674 * elxsi.md: Likewise.
16676 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16678 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
16679 case for moving from HI/LO/HI_LO_REG. This makes the behavior
16680 match the comment for MIPS16.
16682 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
16684 * flow.c (split_edge): Do not call set_block_for_insn if we
16685 do not have a basic_block_for_insn structure.
16687 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
16688 and destination functions are 32bit aligned within the trampoline.
16689 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
16690 (TRAMPOLINE_ALIGNMENT): Define.
16692 * cse.c (cse_insn): When changing (set (pc) (reg)) to
16693 (set (pc) (label_ref)), verify the change creates a valid insn.
16695 * fr30.c (call_operand): Tighten and rework to match rules for
16696 call RTL expressions.
16697 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
16698 * fr30.md (call patterns): Improve constraints.
16700 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
16702 * fr30.c (fr30_expand_epilogue): Revert last change.
16703 Use emit_jump_insn for the return insn.
16705 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
16706 Stan Cox <scox@cygnus.com>
16708 * predict.c: New file. Preliminary infrastructure work for static
16709 branch prediction and basic block reordering.
16710 * basic-block.h: Add prototype for estimate_probability.
16711 * Makefile.in: Add rules for predict.o.
16713 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
16715 * fixincludes (va_list): Use __not_va_list__ for the dummy.
16716 * fixinc/*: Likewise.
16718 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16720 * cccp.c: PROTO -> PARAMS.
16721 * cexp.y: Likewise.
16722 * collect2.c: Likewise.
16723 * combine.c: Likewise.
16724 * convert.h: Likewise.
16726 * dbxout.c: Likewise.
16727 * dbxout.h: Likewise.
16728 * diagnostic.c: Likewise.
16729 * doprint.c: Likewise.
16730 * dwarf2out.c: Likewise.
16731 * dwarf2out.h: Likewise.
16732 * dwarfout.c: Likewise.
16733 * dwarfout.h: Likewise.
16734 * dyn-string.h: Likewise.
16736 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16738 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
16739 macro conditionals guarding use.
16741 * dwarf2out.c: Include "tm_p.h".
16743 * function.c (locate_and_pad_parm): Mark parameter with
16745 (expand_function_end): Likewise for variable `context'.
16747 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
16749 2000-01-13 Nick Clifton <nickc@cygnus.com>
16751 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
16752 register to prevent compile time warnings.
16754 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
16756 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
16757 to avoid -Wtraditional warning.
16759 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16761 * 1750a-protos.h: New file.
16763 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
16766 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
16769 * 1750a.md: Likewise.
16771 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16773 * a29k-protos.h: New file.
16775 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
16778 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
16781 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16783 * clipper-protos.h: New file.
16785 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
16788 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
16791 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16793 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
16795 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
16797 * configure.in (--enable-new-gxx-abi): New option.
16798 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
16799 * Makefile.in (GXX_ABI_FLAG): New variable.
16800 * configure: Regenerate.
16802 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16804 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
16805 * tm.texi (FORCE_STRUCT_BLK): Document.
16806 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
16808 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
16810 * config/ns32k/ns32k.md: Revert Jan 9 change.
16812 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
16813 to a mode-test, if the predicate is address_operand.
16815 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
16817 * combine.c (if_then_else_cond): Be careful about what kinds
16818 of RTL expressions are passed to operand_subword.
16820 * flow.c (split_edge): If we have to insert a new jump, make
16821 sure to associate it with a basic block.
16823 * flow.c (commit_one_edge_insertion): A block with one successor
16824 can end in a JUMP_INSN that is not a simplejump.
16826 2000-01-12 Robert Lipe <robertl@sco.com>
16828 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
16829 (BUILD_VA_LIST_TYPE): Define.
16830 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
16833 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
16835 * cccp.c (do_pragma): Add cast to (char *).
16837 2000-01-12 Richard Henderson <rth@cygnus.com>
16838 Fred Fish <fnf@be.com>
16839 Jason Merrill <jason@cygnus.com>
16841 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
16842 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
16843 * i386/beos-elf.h, i386/beos-pe.h: New files.
16845 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
16846 * cross-make (SYSTEM_HEADER_DIR): Define using
16847 CROSS_SYSTEM_HEADER_DIR.
16849 * gcc.c (LIBRARY_PATH_ENV): Provide default.
16850 (process_command): Use it.
16851 (main): Likewise. Kill trailing = from env vars.
16852 (build_search_list): Put it back.
16853 * collect2.c (main): Use LIBRARY_PATH_ENV.
16855 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
16856 * toplev.c: Use NEED_DECLARATION_ENVIRON.
16858 * tm.texi (Frame Layout): Document SMALL_STACK.
16859 * c-common.c (c_common_nodes_and_builtins): Check it.
16861 * system.h: Undef alloca after including glibc's <stdlib.h>,
16862 if USE_C_ALLOCA is defined.
16864 * gcc.c (set_input): New fn.
16865 (main): After all input files are compiled, reset the input file
16868 * aclocal.m4 (rindex, index): If already defined, don't attempt
16871 * ginclude/varargs.h: (__va_list__): Define ifndef.
16872 * ginclude/stdarg.h: Likewise.
16874 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
16875 instead of unsigned char.
16877 * hash.h (true, false, boolean): Undef before enum.
16879 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
16880 proper type of "HOST_WIDE_INT *", rather than their natural type of
16881 "unsigned HOST_WIDE_INT *".
16883 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16885 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
16887 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
16889 * regclass.c (choose_hard_reg_mode): Likewise.
16891 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
16893 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
16895 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16897 * c-common.c: PROTO -> PARAMS.
16898 * c-common.h: Likewise.
16899 * c-decl.c: Likewise.
16900 * c-iterate.c: Likewise.
16901 * c-lang.c: Likewise.
16902 * c-lex.c: Likewise.
16903 * c-lex.h: Likewise.
16904 * c-parse.in: Likewise.
16905 * c-pragma.c: Likewise.
16906 * c-pragma.h: Likewise.
16907 * c-tree.h: Likewise.
16908 * c-typeck.c: Likewise.
16909 * objc/objc-act.c: Likewise.
16910 * objc/objc-act.h: Likewise.
16912 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16914 * m88k-protos.h: New file.
16916 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
16919 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
16921 * m88k.md: Likewise.
16923 * tekXD88.h: Likewise.
16925 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16927 * m68k-protos.h: New file.
16929 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
16932 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
16934 * mot3300.h: Likewise.
16936 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
16938 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
16940 (extract_bitlist): Declare bitlen.
16942 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
16944 * cccp.c: Accept and ignore -lang-fortran.
16946 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
16947 qualifiers don't match at any level of pointerness.
16949 2000-01-12 Robert Lipe <robertl@sco.com>
16951 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
16953 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
16955 * reload1.c (reload_reg_unavailable): New static variable.
16956 (reload_reg_free_p): Test it.
16957 (reload_reg_free_for_value_p): Test it instead of
16959 (choose_reload_regs_init): Compute it.
16961 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
16963 * reorg.c (fill_slots_from_thread): Check modified_in_p
16966 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
16968 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
16969 these nodes even if INTERNALS is not set.
16971 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
16973 * gcse.c (delete_null_pointer_checks_1): Cope when
16974 get_condition cannot determine the condition.
16976 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
16978 * toplev.h (set_message_length): Declare.
16980 * diagnostic.c (obstack_chunk_alloc): Define macro.
16981 (obstack_chunk_free): Likewise.
16982 (struct output_buffer): New data structure.
16983 (vmessage): Remove.
16984 (output_maximum_width): New variable.
16985 (doing_line_wrapping, set_message_length, init_output_buffer,
16986 get_output_prefix, output_space_left, emit_output_prefix,
16987 output_newline, output_append, output_puts, dump_output,
16988 vbuild_message_string, build_message_string, build_location_prefix,
16989 voutput_notice, output_printf, line_wrapper_printf,
16990 vline_wrapper_message_with_location): New functions. Implement
16991 automatic line wrapping.
16992 (v_message_with_decl): Make it handle automatic line wrapping.
16993 (v_error_with_file_and_line): Likewise.
16994 (v_warning_with_file_and_line): Likewise.
16995 (announce_function): Likewise.
16996 (default_print_error_function): Likewise.
16998 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17000 * cpplib.h (struct cpp_options): Change lang_asm to char.
17002 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17003 done in cpp_handle_option now.
17004 (initialize_builtins): Take out special case code used only by
17006 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17007 if -traditional. Recognize -lang-fortran and set
17008 lang_fortran, also turn off cplusplus_comments.
17009 (print_help): Document -lang-fortran.
17010 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17011 lang_asm. Ignore all directives other than `# 123 "file"' if
17013 (cpp_get_token): If -traditional, don't recognize directives
17014 unless the # is in column 1.
17015 (parse_string): If lang_fortran or lang_asm, silently
17016 terminate strings ('' or "") at end of line.
17017 Remove unnecessary braces.
17019 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17020 Richard Henderson <rth@cygnus.com>
17022 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17024 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17025 strict_low_part when possible.
17027 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17029 * alias.c: PROTO -> PARAMS.
17030 * basic-block.h: Likewise.
17031 * bitmap.c: Likewise.
17032 * bitmap.h: Likewise.
17033 * builtins.c: Likewise.
17034 * c-aux-info.c: Likewise.
17035 * caller-save.c: Likewise.
17036 * calls.c: Likewise.
17038 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17040 * Makefile.in (toplev.o): Depend on regs.h.
17042 * output.h (tdesc_section): Prototype.
17044 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17046 * sdbout.c: Include "tm_p.h".
17048 * toplev.c: Include "regs.h".
17050 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17052 * unroll.c (unroll_loop): Add EH support.
17054 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17056 * pa-protos.h: New file.
17058 * pa.c: Include recog.h and tm_p.h.
17059 (compute_zdepwi_operands, compute_movstrsi_length,
17060 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17061 find_addr_reg, import_milli): Add static prototypes.
17062 (pa_cpu_string, pa_arch_string): Constify a char*.
17063 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17064 (read_only_operand): Add argument `mode'.
17065 (singlemove_string, output_move_double, output_fp_move_double,
17066 output_block_move, output_and, output_ior, output_ascii,
17067 remove_useless_addtr_insns, milli_names, output_mul_insn,
17068 output_div_insn, output_mod_insn, output_arg_descriptor,
17069 output_cbranch, output_bb, output_bvb, output_dbra, ,
17070 output_millicode_call, output_call, hppa_encode_label,
17071 output_parallel_movb, output_parallel_addb): Constify a char*.
17072 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17073 (output_parallel_addb): Remove extra arg to `constrain_operands'
17075 * pa.h: Move all prototypes to pa-protos.h.
17076 (pa_cpu_string, pa_arch_string): Constify a char*.
17077 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17079 * pa.md: Call `function_label_operand' with mode argument.
17080 Likewise for `read_only_operand'.
17081 Fix nesting of parens in call to `symbolic_operand'.
17083 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17085 * i860-protos.h: New file.
17087 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17090 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17092 * i860.md: Likewise.
17094 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17096 * i386.md (movstrsi expander): Rewrite.
17097 (movstrsi_1 insn): Deleted.
17098 (strmovhi, strmovqi expander): New expanders.
17099 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17100 * i386.c (x86_single_stringop): New global variable.
17101 * i386.h (x86_single_stringop): Declare.
17102 (TARGET_SINGLE_STRINGOP): New macro.
17104 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17106 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17107 integer vararg POSTINCREMENT before the destination of the jump
17108 for the hard fp case.
17109 (function_arg_pass_by_reference): Pass a copy of CUM to
17112 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17113 for CONSTANT_ADDRESS_P above while loop for subreg.
17115 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17117 * flow.c (propagate_block): When a prologue/epilogue insn
17118 is marked dead, unconditionally clear libcall_is_dead and
17119 insn_is_dead, and only dump rtl if warnings aren't being
17122 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17124 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17125 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17126 (FIXED_REGISTERS): Set dirflag as fixed.
17127 (CALL_USED_REGISTERS): Set dirflag as used.
17128 (REG_ALLOC_ORDER): Set dirflag as last one.
17129 (DIRFLAG_REG): New macro.
17130 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17131 (HI_REGISTER_NAMES): Add dirflag.
17132 (DEBUF_PRINT_REG): Handle dirflag.
17133 * i386.md (type attribute): New cld and str types.
17134 (length_opcode attribute): Set cld and str to 1.
17135 (memory attribute): Set str to unknown - it is not clear from the
17137 (pent_np function unit): Prefixed string operations takes 12 cycles
17138 minimally; cld takes 2 cycles.
17139 (ppro_uops attribute): Str is "many" and cld is "few".
17140 (ppro_p0 unit): Handle cld here.
17141 (k6_alux unit): Handle cld and str types.
17142 (k6_load unit): It is ocupied by str opcodes.
17143 (k6_store unit): It is ocupied by str opcodes.
17144 (athlon_decode): Str is vector decoded.
17145 (athlon_ieu): Handle str and cld.
17146 (cld pattern): New.
17147 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17148 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17149 cmpstrsi_nz_1 insn): Do not output cld instruction
17151 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17153 * gcc.texi (G++ and GCC): Add Java and Chill.
17154 (Bug Critera): Don't list languages.
17156 * gcc.texi (Incompatibilities): No longer claim most C compilers
17159 * gcc.texi (G++ and GCC): Update other front-ends list.
17161 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17163 * i386.c (ix86_expand_setcc): Fix typo.
17164 (ix86_expand_movcc): Similarly.
17166 * Band-aid until haifa's bitset implementation is nuked.
17167 * haifa-sched.c (extract_bitlst): New parameter for size of the
17168 bitset in bits. All callers changed. Avoid looking at undefined
17169 bits in the bitset.
17170 (edgeset_bitsize): New variable.
17171 (schedule_region): Initialize edgeset_bitsize.
17173 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17175 * Makefile.in (optabs.o): Depend on real.h
17176 (resource.o): Depend on insn-attr.h
17178 * builtins.c (result_vector): Wrap prototype in macro conditions
17179 governing definition and use.
17181 * c-common.c: Include tm_p.h.
17183 * c-lex.c: Likewise.
17185 * elfos.h: Constify a char*.
17187 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17188 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17189 parameter with ATTRIBUTE_UNUSED.
17191 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17194 * haifa-sched.c (schedule_insns): Mark parameter with
17197 * optabs.c: Include real.h.
17199 * real.h (ereal_atof): Add prototype arguments.
17201 * resource.c: Include insn-attr.h.
17203 * sdbout.c (sdbout_queue_anonymous_type,
17204 sdbout_dequeue_anonymous_types): Wrap in macro
17205 SDB_ALLOW_FORWARD_REFERENCES.
17206 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17209 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17211 * stupid.c: Include tm_p.h.
17213 * tree.c (real_value_from_int_cst): Mark parameter with
17216 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17218 * i960-protos.h: New file.
17220 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17223 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17225 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17227 * combine.c (expand_field_assignment): Do not discard SUBREGs
17228 while computing nonzero_bits.
17230 2000-01-09 Nick Clifton <nickc@cygnus.com>
17232 * config/arm/arm.c: Fix compile time warnings about signed vs
17233 unsigned constants.
17234 * config/arm/arm.h: Fix compile time warnings about signed vs
17235 unsigned constants.
17237 2000-01-09 Philip Blundell <philb@gnu.org>
17239 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17240 than `ldm' with only one register.
17241 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17244 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17247 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17249 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17252 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17254 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17255 assignment used as truth value.
17257 * function.c (assign_temp): Mark parameter `dont_promote' with
17258 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17259 PROMOTE_FOR_CALL_ONLY.
17261 * genrecog.c (write_subroutine): Mark variable `operands' with
17264 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17267 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17268 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17270 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17273 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17275 * config/c4x.h: Tidy up comments.
17276 * config/c4x.c: Likewise.
17278 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17280 * fold-const.c (lshift_double, rshift_double): Handle
17281 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17283 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17285 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17286 in prepare_function_start().
17288 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17290 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17291 longer allocate extra stack for function calls.
17293 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17295 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17297 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17299 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17301 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17303 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17304 * aix43.h: Revert Aug 2 change.
17305 (HAS_INIT_SECTION): Define, not visible yet.
17306 (LD_INIT_SWITCH): Define, not visible yet.
17307 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17309 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17311 * collect2.c (main): Expand ld2 size further.
17312 (export_object_lst): Cast assignment to avoid warning.
17313 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17314 (scan_prog_file, COFF): Do not collect initialization or
17315 finalization functions generated for entire shared object if
17316 init/fini support present.
17318 2000-01-07 Nick Clifton <nickc@cygnus.com>
17320 * config/elfos.h: Tidy up formatting of marcos. Make sure
17321 that .section directives are always prefixed by a tab.
17323 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17326 2000-01-07 Matt Austern <austern@sgi.com>
17328 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17331 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17333 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17335 (crtbegin.o, s-crtS): Likewise.
17337 2000-01-06 Richard Henderson <rth@cygnus.com>
17339 * alpha.md (adddi_2+1): Limit offset such that it will be
17340 loadable with a single ldah+lda pair.
17341 (adddi_2+2): Explicitly fail split if we can't make it work.
17343 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17345 * protoize.c: Conditionally include unistd.h.
17346 (IS_SAME_PATH_CHAR): New macro.
17347 (IS_SAME_PATH): New macro.
17348 (CPLUS_FILE_SUFFIX): New macro.
17349 (cplus_suffix): New static variable.
17350 (is_abspath): New static function.
17351 (in_system_include_dir): Handle DOS style pathnames.
17352 (file_could_be_converted): Likewise.
17353 (file_normally_convertible): Likewise.
17354 (directory_specified_p): Likewise.
17355 (file_excluded_p): Likewise.
17356 (abspath): Likewise.
17357 (shortpath): Likewise.
17358 (referenced_file_is_newer): Likewise.
17359 (save_def_or_dec): Likewise.
17360 (do_processing): Likewise.
17362 (edit_file): Likewise. Use rename instead of link.
17363 (rename_c_file): Likewise. Don't rename syscalls file.
17364 (munge_compile_params): Define null device for DOS based systems.
17365 (process_aux_info_file): Use binary mode if appliable.
17366 (edit_file): Likewise.
17367 * invoke.texi (Running Protoize): Document C++ suffixes used.
17369 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17370 IS_DIR_SEPARATOR macros.
17371 * collect2.c: Likewise.
17372 * cppinit.c: Likewise.
17373 * dwarf2out.c: Likewise.
17375 * gcov.c: Likewise.
17376 * prefix.c: Likewise.
17378 * toplev.c: Likewise.
17379 * system.h: And move to here.
17381 * prefix.c (update_path): Fix typo in variable name.
17383 2000-01-06 Richard Henderson <rth@cygnus.com>
17385 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17386 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17387 (count_reg_sets_1, count_reg_references): Likewise.
17388 (flow_loops_level_compute): Start counting actual loop depth at 1.
17389 (flow_loops_find): Likewise.
17390 * local-alloc.c (update_equiv_regs): Likewise.
17391 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17393 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17395 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17396 FIRST_PSEUDO_REGISTER
17397 * dwarf2out.c: Don't include frame.h
17398 * dwarfout.c: Likewise
17399 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17402 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17404 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17407 * i386.c (movsf splitter): Fix typo in my last checkin.
17409 2000-01-05 Nick Clifton <nickc@cygnus.com>
17411 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17412 own definition of this macro.
17413 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17414 flag_data_sections or UNIQUE_SECTION_P are true.
17416 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17417 unitialised data decls.
17419 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17420 being called for uninitialised data.
17422 * config/i386/interix.c (i386_pe_unique_section): Cope with
17423 being called for uninitialised data.
17425 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17426 for uninitialised data.
17428 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17429 for uninitialised data.
17431 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17432 for uninitialised data.
17434 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17435 (UNIQUE_SECTION_P): Always generate a unique section if
17436 flag_data_sections is true.
17437 (UNIQUE_SECTION): Also generate unique sections for
17438 uninitialised data.
17439 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17440 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17443 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17445 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17448 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17450 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17451 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17452 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17453 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17454 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17456 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17458 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17460 * c-decl.c (finish_enum): Simplify code to determine minimum and
17461 maximum values of the enum, and calculate the type. Remove check
17462 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17463 the DECL_INITIAL of each enumeration constant with a copy converted
17464 to the enumeration type. When updating variant types, don't bother
17465 updating the type itself.
17467 * c-typeck.c (build_binary_op): Simplify conditional expressions
17468 when weeding out spurious signed-unsigned warnings. Add new
17469 spurious warning category: if the unsigned quantity is an enum
17470 and its maximum value fits in signed_type(result_type). Update
17472 (build_conditional_expr): Warn here if one alternative is signed
17473 and the other is unsigned.
17475 2000-01-05 Nick Clifton <nickc@cygnus.com>
17477 * config/fr30/fr30.h: Remove extraneous comments.
17479 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17481 * reload1.c (choose_reload_regs): When disabling a reload, also
17482 set reload_spill_index to -1.
17484 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17486 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17488 (m68*-*-rtemself*): New target.
17489 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17490 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17491 (sparc*-*-rtemself*): New target.
17492 (sparc*-*-rtems*): Now elf not a.out.
17493 * config/i386/rtems.h: Include config/rtems.h.
17494 * config/i386/rtemself.h: Include config/rtems.h.
17495 * config/i960/rtems.h: Include config/rtems.h.
17496 * config/m68k/rtems.h: Include config/rtems.h.
17497 * config/m68k/rtemself.h: Include config/rtems.h.
17498 * config/mips/rtems64.h: Include config/rtems.h.
17499 * config/pa/rtems.h: Include config/rtems.h.
17500 * config/rs6000/rtems.h: Include config/rtems.h.
17501 * config/sh/rtems.h: Include config/rtems.h.
17502 * config/sh/rtemself.h: Include config/rtems.h.
17503 * config/sparc/rtems.h: Include config/rtems.h.
17504 * config/sparc/rtemself.h: Include config/rtems.h
17506 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17508 * final.c (shorten_branches): Correctly compute length of
17509 asms without operands.
17511 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17513 * configure.in: Add pj target.
17514 * configure: Regenerate.
17515 * config/pj: New directory.
17516 * config/pj/lib1funcs.S: New file.
17517 * config/pj/linux.h: New file.
17518 * config/pj/pj.c: New file.
17519 * config/pj/pj.md: New file.
17520 * config/pj/pjl.h: New file.
17521 * config/pj/t-pj: New file.
17522 * config/pj/xm-pj.h: New file
17524 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17526 * toplev.c (rest_of_compilation): Run shorten-branches before
17529 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17531 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17532 macros so that they're consistent with their names.
17533 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17534 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17536 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17538 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17539 modified inadvertently.
17541 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17543 * configure.in (v850*-*-rtems*): New target.
17544 * configure: Regenerate.
17545 * config/v850/rtems.h: New file.
17547 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17549 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17550 (__gthread_key_create): Likewise.
17551 (__gthread_key_dtor): Likewise.
17552 (__gthread_once): Fix logic.
17553 (__gthread_key_delete): Cast away constness.
17555 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
17556 * invoke.texi: Document.
17557 * i386/mingw32.h (CPP_SPEC): Use.
17558 (LIBGCC_SPEC): Likewise.
17559 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
17561 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17563 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
17564 (HANDLE_PRAGMA_PACK): Undefine.
17565 (SLOW_UNALIGNED_ACCESS): Define.
17567 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17569 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17570 to default definition.
17571 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
17572 (store_fixed_bit_field): Call macro with word_mode and alignment.
17573 (extract_bit_field): Call macro with relevant mode and alignment.
17574 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17575 to default definition.
17576 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
17578 (move_by_pieces_ninsns): Likewise.
17579 (clear_by_pieces): Likewise.
17580 (emit_push_insn): Likewise.
17581 (store_field): Call macro with relevant mode and alignment.
17582 (expand_expr): Likewise.
17583 (expand_expr_unaligned): Likewise.
17585 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
17586 (SLOW_UNALIGNED_ACCESS): Define.
17587 (CASE_VECTOR_MODE): Always use 32-bit offsets.
17588 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
17589 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
17590 (toc_section): Likewise and .toc pseudo-op.
17591 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
17593 (TEXT_SECTION_ASM_OP): Likewise.
17594 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
17597 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
17598 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
17599 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
17600 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
17601 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
17603 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
17605 * regclass.c: Revert my Jan 4 change to loop cost computation.
17607 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17609 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
17612 2000-01-04 Stan Cox <scox@cygnus.com>
17614 * haifa-sched.c (build_control_flow): Change unreachable simple
17615 loop test to check if current block has only one predecessor.
17616 (find_rgns): Initialize degree. Use dest as degree index, not src.
17618 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17620 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
17622 * calls.c (expand_call): Likewise for
17623 `old_stack_arg_under_construction'.
17625 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
17627 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
17630 * gcc.c (execute): Likewise for `ut' and `st'.
17632 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
17634 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
17636 * jump.c (jump_optimize_1): Likewise for `temp2'.
17638 * local-alloc.c (block_alloc): Likewise for `r1'.
17640 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
17642 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
17643 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
17645 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
17648 * reload.c (find_reloads): Likewise for `goal_alternative_number'
17649 and `goal_earlyclobber'.
17651 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
17653 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
17655 * stupid.c (stupid_life_analysis): Likewise for `chain'.
17657 * unroll.c (copy_loop_body): Likewise for `copy'.
17659 * varasm.c (output_constructor): Likewise for `byte'.
17661 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17663 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
17664 all FP constants for constant->reg moves.
17665 (ix86_split_to_parts): Try to convert memory address into immediate
17666 when available in the constant pool.
17667 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
17669 (LEGITIMATE_CONSTANT_P): Return 1.
17670 * i386.md (pushsf): New splitter to convert constant pool memory
17671 reference to immediate.
17672 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
17675 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
17677 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
17678 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
17679 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
17680 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
17681 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
17683 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
17685 * ginclude/stdbool.h: Support compilation as C++.
17687 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17689 * fold-const.c (make_range): Don't try to reverse an unbounded range.
17691 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
17693 * regclass.c (regclass): Properly compute loop_cost. Adjust
17696 * regclass.c: Fix minor whitespace problems.
17698 2000-01-03 Anthony Green <green@cygnus.com>
17700 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
17701 Restore the pic register if required.
17703 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
17705 * c-common.c (format_char_info): Update comment.
17706 (check_format_info): Recognize 'z' modifier in the same way 'Z'
17707 was recognized. Emit warning for formats new in ISO C99 only
17708 if flag_isoc9x is not set.
17710 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
17712 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
17714 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17716 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
17717 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
17718 (make_compound_operation): Choose cheaper alternative between
17719 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
17721 * regclass.c (op_costs): Remove global variable.
17722 (record_reg_classes): New parameter "op_costs" and "reg_pref".
17723 (record_operand_costs): Break out from ...
17724 (scan_one_insn): ... here.
17725 (dump_regclass): Make dumps nicer.
17726 (regclass): Dump preferrences choosed and changes done during passes.
17728 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17730 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
17732 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17734 * config/sparc/sparc.c (gen_df_reg): New function.
17735 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
17736 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
17737 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
17738 movtf_cc_reg_sp64+1): Use it.
17740 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17742 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
17743 copied LABEL_DECLs.
17745 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
17747 * config/i386/i386.c (ix86_expand_unary_operator): Function
17748 definition made void.
17749 (ix86_expand_binary_operator): Update outdated preceding comment.
17750 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
17753 * config/i386/i386.c (override_options): Fix option-name typo.
17755 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17757 * system.h (CEIL): Define.
17758 * builtins.c (CEIL): Remove.
17759 * expmed.c (CEIL): Likewise.
17760 * expr.c (CEIL): Likewise.
17761 * stor-layout.c (CEIL): Likewise.
17763 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17765 * expr.c (store_constructor_field): Fix typo introduced with last
17768 2000-01-01 Mark Mitchell <mark@codesourcery.com>
17770 * tree.h (BINFO_N_BASETYPES): New macro.
17772 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
17774 * expmed.c (emit_store_flag): Prevent losing a pending stack
17775 adjust the same way we prevent losing queued increments.
17777 See ChangeLog.2 for earlier changes.