1 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3 * gcc.c (execute): If a subprocess gets a fatal signal, report
4 strsignal() of the signal number, and ask for a bug report.
5 Do not do this for SIGPIPE if there's already been an error.
7 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
10 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12 * final.c (profile_function): Do not emit profile counters in
13 the data section, if NO_PROFILE_COUNTERS is defined.
14 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
17 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
18 (FUNCTION_PROFILER): Just emit a call to mcount.
20 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
22 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
24 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
25 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
26 traditional, lang_chill, or lang_fortran.
28 * cppfiles.c: #undef strcmp to suppress warning about macros
29 used without arguments.
30 (_cpp_execute_include): Use f, not fname, in "No include path"
32 (_cpp_pop_file_buffer): New function.
33 * cpplib.c: Don't include <sys/mman.h>.
34 (cpp_push_buffer): Set line_base and lineno in new buffer.
35 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
37 * cpplex.c: Move all prototypes and structure declarations to the
38 top of the file. Properly parenthesise some macro arguments.
39 (cpp_scan_line): New function.
40 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
41 don't need to walk up the stack counting.
43 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
45 * c-common.c (combine_strings): Emit a pedantic warning when a
46 string length is greater than the minimum ANSI C is required
49 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
51 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
52 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
54 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
56 * c-decl.c (define_label): Warn about identifier conflicts with
57 labels in traditional C.
59 * c-parse.in (unop +): Warn about the unary plus operator for
62 * c-typeck.c (store_init_value): Warn about automatic aggregate
63 initialization for traditional C.
65 * invoke.texi (-Wtraditional): Document new warnings.
67 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
69 * Makefile.in (c-errors.o): Fix thinko in dependency.
71 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
73 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
74 -traditional, -ftraditional, or -traditional-cpp was given.
75 Do not pass -traditional to the preprocessor.
76 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
77 preprocessor does it automatically.
78 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
80 * ch/lang-specs.h: Always use tradcpp. Do not pass
81 -traditional, -trigraphs, or -pedantic to the preprocessor.
82 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
85 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
87 * cppexp.c (LOGICAL): Delete macro.
88 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
91 * cpphash.c (HASHSIZE): Increase to 4096.
92 (struct hashdummy): Add hash field.
93 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
94 the string values using memcmp.
95 (cpp_lookup): Set dummy.hash.
97 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
99 * configure.in (m88k-openbsd): Express configuration using new fragment
101 * configure: Rebuilt.
102 * m88k/aout-dbx.h: New.
103 * m88k/openbsd.h: New.
104 * m88k/xm-openbsd.h: New.
106 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
108 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
110 2000-07-12 Richard Henderson <rth@cygnus.com>
112 * reload.c (push_secondary_reload): Make sure to add the new
113 reload at the end, after acquiring secondary memory.
115 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
117 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
119 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
120 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
122 * c-parse.in (stmt): Delete unused variables.
124 * convert.c (convert_to_vector): Likewise.
126 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
128 * tree.c (finish_vector_type): Prototype.
130 2000-07-12 Bruce Korb <bkorb@gnu.org>
132 * fixinc/fixfixes.c: use xmalloc
133 * fixinc/fixincl.c(initialize): set program name for xmalloc
134 * fixinc/fixlib.c(must_malloc): obsolete
135 (is_cxx_header): no longer used - disabled
136 (skip_quote): inserted and disabled for future use
137 * fixinc/fixlib.h: reflects above
138 * fixinc/fixtests.c: removed dinkleberries
140 2000-07-12 Neil Booth <NeilB@earthling.net>
142 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
143 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
145 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
146 struct toklist_dummy): New.
147 (cpp_free_definition): Free macros with free_macro.
148 (count_params): Don't save paramter spellings. Save macro
149 information in a struct macro_info.
150 (parse_define): Don't allocate a token list.
151 (save_expansion): Allocate the macro's token list, and
152 save parameter spellings if necessary. Use TOKEN_SPELL.
153 (cpp_create_definition): Make list const.
155 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
157 * c-typeck.c (pedwarn_c99): Move to
158 * c-errors.c: ... Here.
159 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
160 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
161 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
162 (c-errors.o): List dependency.
164 2000-07-12 Mark Mitchell <mark@codesourcery.com>
167 * c-parse.h: Likewise.
168 * c-parse.y: Likewise.
169 * objc/objc-parse.c: Likewise.
170 * objc/objc-pasre.y: Likewise.
172 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
174 * gcc.texi: Fix minor typos
175 * extend.texi: Fix minor typos
177 2000-07-11 Marc Espie <espie@openbsd.org>
179 * collect2.c (main): Recognize .lo as object files.
181 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
183 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
186 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
187 with MAP_ANONYMOUS and MAP_ANON.
188 * configure, config.in: Rebuilt.
190 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
192 * diagnostic.c (save_output_state): Remove.
193 (restore_output_state): Likewise.
194 (clear_text_info): New function.
195 (clear_diagnostic_info): Likewise.
196 (output_text_length, is_starting_newline, output_prefix,
197 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
198 prefixing_policy, output_buffer_ptr_to_format_args): New macros
199 (set_real_maximum_length, output_set_maximum_length,
200 output_set_prefix, output_get_prefix, output_set_maximum_length,
201 output_destroy_prefix, init_output_buffer,
202 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
203 output_add_newline, output_add_character, output_add_space,
204 output_append_r, output_append, wrap_text, output_format,
205 output_do_printf, output_printf, output_do_verbatim,
206 output_verbatim, verbatim): Use them.
207 (output_clear): Split into cleat_text_info and
208 clear_diagnostic_info.
209 (struct output_state): Move to...
211 * diagnostic.h: ...Here
212 (struct output_buffer): Adjust.
214 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
216 * cpplex.c (parse_name): No longer inline (premature optimization).
217 (do_pop_context): Fold into pop_context.
218 (pop_context): Returns int.
219 (lex_next): Hoist test for end of directive into pop_context.
220 (push_macro_context): Returns int; takes just reader and token.
221 Hoist test for excessive nesting to caller.
222 (push_arg_context): Returns void; takes just reader and token.
223 Do not call stringify_arg or get_raw_token.
224 (get_raw_token): Convert tail recursion through push_arg_context
225 to a loop at this level. Call stringify_arg here if appropriate.
226 (maybe_paste_with_next): Convert tail recursion to a while loop.
227 Hoist test of paste_level to caller.
229 (stringify_arg): Push arg context at beginning.
230 (cpp_get_token): Split out core into _cpp_get_token. Call
231 process_directive here. Throw away CPP_PLACEMARKER tokens.
232 (_cpp_get_token): Convert tail recursion through
233 push_macro_context to a loop at this level.
234 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
235 _cpp_get_raw_token): Use _cpp_get_token.
236 (_cpp_skip_rest_of_line): Drop the context stack directly; do
237 not call pop_context.
238 (_cpp_run_directive): Call lex_next directly.
240 * cpphash.h: Prototype _cpp_get_token.
241 * cppexp.c (lex): Use it.
242 * cpphash.c (parse_define): Use it.
243 * cpplib.c (get_define_node, do_undef, parse_include,
244 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
245 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
246 parse_ifdef, validate_else): Use it.
247 (cpp_push_buffer): Tweak error message; abort if anyone tries
248 to push a buffer while macro expansions are stacked.
250 2000-07-11 Donn Terry <donnte@microsoft.com>
252 * cpplex.c (free_macro_args, save_token): Cast arg of free
253 and/or xrealloc to PTR.
254 (_cpp_init_input_buffer): Clear all fields of the base context.
256 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
258 * gensupport.c (process_rtx): Make rtl checking stop
259 complaining about the define_insn while it is being
260 converted from a define_insn_and_split.
262 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
264 * config/mips/mips.c (simple_memory_operand): Access the
265 INTVAL of the address, not it's containing MEM.
267 2000-07-11 Bruce Korb <bkorb@gnu.org>
269 * fixinc/fixtests.c(double_slash): obsolete
270 (else_endif_label): likewise
271 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
272 (libc1_ifdefd_memx): correct initial comment
273 and omit the #if/#endif pair from the memxxx declarations
274 * fixinc/fixincl.x: regen
276 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
278 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
280 2000-07-11 Neil Booth <NeilB@earthling.net>
284 2000-07-11 Neil Booth <NeilB@earthling.net>
286 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
287 (handle_option): Set digraphs according to standard.
288 Merge OPT_lang_c89 handler with OPT_std_c89.
290 * cpplex.c: (lex_line, can_paste): Honour digraphs in
291 accordance with the digraphs flag.
293 * cpplib.h: (struct cpp_options): New option digraphs.
295 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
296 Bruce Korb <bkorb@gnu.org>
298 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
299 * fixinc/fixincl.x: Regenerate.
300 * fixinc/tests/base/testing.h: Add testcase.
302 2000-07-10 Richard Henderson <rth@cygnus.com>
304 * config/ia64/ia64.c (got_symbolic_operand): New.
305 (symbolic_operand, move_operand): Revert 0701 change.
306 * config/ia64/ia64.h (PREDICATE_CODES): Update.
307 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
308 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
309 split the offset into a 14-bit low part instead of a 13-bit low part.
310 (load_fptr): Mark the mem as unchanging.
311 (load_symptr): Use got_symbolic_operand.
313 2000-07-10 Nick Clifton <nickc@cygnus.com>
315 * libgcc2.c (next_stack_level): Cast result of computation to
316 (void **) so that the assignment does not generate a warning.
318 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
320 * flags.h : Add new variable flag_single_precision_constant.
321 * toplev.c (display_help) : Add -fsingle-precision-constant option.
322 (flag_single_precision_constant): New.
323 * c-lex.c (yylex): Convert floating point constant to single
325 * invoke.texi : Add documentation for this new option.
327 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
329 * diagnostic.c (output_octal): Second parameter is unsigned.
330 (output_long_octal): Likewise.
331 (output_hexadecimal): Likewise.
332 (output_long_hexadecimal): Likewise.
333 (output_format): Adjust arguments extraction. Tweak.
334 (output_verbatim, verbatim): End variable argument list.
335 (report_diagnostic): Improve documentation.
337 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
339 * c-common.h (build_stmt): Declare.
340 (build_continue_stmt): Likewise.
341 (build_break_stmt): Likewise.
342 (build_return_stmt): Likewise.
344 * c-decl.c (do_case): Rewrite to do what previously done in
347 * c-semantics.c (build_stmt): Define.
348 (build_return_stmt): Likewise.
349 (build_break_stmt): Likewise.
350 (build_continue_stmt): Likewise.
351 (build_case_label): Likewise.
353 * c-parse.in (BREAK): Change to build tree, then generate RTL.
354 (CONTINUE): Likewise.
359 * c-parse.y: Regenerate.
360 * c-pasre.c: Likewise.
362 2000-07-09 Jason Merrill <jason@redhat.com>
364 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
366 * tree.h (STRIP_NOPS): Check for error_mark_node.
367 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
368 (dwarf2out_*): Remove duplicate declarations.
370 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
371 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
373 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
375 * diagnostic.c (wrap_text): New function.
376 (maybe_wrap_text): Likewise.
377 (output_add_string): Use it.
378 (output_format): Likewise.
379 (count_error): Use verbatim instead of notice.
380 (report_error_function): Likewise. Don't use plain fprintf.
381 (finish_diagnostic): New function.
382 (output_do_verbatim): Tweak. Commonalize functionalities in
383 output_verbatim and verbatim.
384 (output_verbatim): Adjust.
385 (verbatim): Likewise.
386 (report_diagnostic): Define.
388 * diagnostic.h (report_diagnostic): Prototype.
390 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
392 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
394 2000-07-09 Neil Booth <NeilB@earthling.net>
396 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
397 IShspace, ISspace: Update.
399 * cppinit.c: ISTABLE: Update.
402 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
403 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
404 (skip_block_comment, skip_line_comment, parse_string,
405 lex_line): Use is_vspace rather than IS_NEWLINE.
406 (skip_whitespace, lex_line): Clean up to use is_nvspace.
407 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
409 (lex_next): Unconditionally stop if within a directive.
410 Treat directives within macro invocations as directives
411 (after parse_args emits error), not as the argument.
413 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
415 * diagnostic.c (diagnostic_args): New macro.
416 (diagnostic_msg): Likewise.
417 (output_formatted_integer): Likewise.
418 (output_state): New data type.
419 (digit_buffer): Make global.
420 (output_add_integer): Rename to output_decimal. Squeeze
422 (output_long_decimal, output_unsigned_decimal,
423 output_long_unsigned_decimal, output_octal, output_long_octal,
424 output_hexadecimal, output_long_hexadecimal): New functions.
425 (output_append_r): New function.
426 (output_append): Tweak.
427 (output_flush_on): Rename to output_to_stream.
428 (output_format): Change prototype. Improve documentation. Handle
429 more format specifiers.
430 (build_location_prefix): Rename to context_as_prefix.
431 (output_notice): Rename to output_do_printf.
432 (output_printf): Tweak.
433 (line_wrapper_printf): Likewise.
434 (vline_wrapper_message_with_location): Adjust call to renamed
436 (v_message_with_decl): Likewise.
437 (default_print_error_function): Likewise.
438 (save_output_state): New function.
439 (restore_output_state): Likewise.
440 (output_do_verbatim): Likewise.
441 (output_verbatim): Define.
442 (verbatim): Likewise.
444 * diagnostic.h (printer_fn): Change return type from void to int.
445 Improve documentation.
446 (output_add_integer): Rename to output_decimal.
447 (output_flush_on, output_format): Don't export.
448 (output_verbatim, verbatim): Declare.
450 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
452 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
453 Check whether c divides op1 exactly if operation is not
456 2000-07-08 Richard Henderson <rth@cygnus.com>
458 * final.c (final): Do not abort when reg-stack introduces
461 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
463 * cpplib.h (struct cpp_name): Now struct cpp_string.
464 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
465 CPP_HEADER_NAME): Change to type S.
466 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
467 field, a cpp_hashnode *. All references to val.name updated
468 to use val.str or val.node as appropriate.
469 (struct cpp_reader): Add spec_nodes field.
470 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
472 * cpphash.h (struct spec_nodes): New.
473 (enum spell_type): Reorder. Only SPELL_STRING tokens use
474 val.str. All references to 'spelling > SPELL_NONE' updated to
477 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
478 pfile->buffer->inc are not NULL before dereferencing them.
480 * cpplex.c (parse_name): Take a pointer to the current token,
481 plus current position and limit as args; return the new
482 position; don't copy the text of a name into the string
483 buffer, instead call cpp_lookup and store the node pointer.
484 If extending a token, copy out the text of the old into a
485 scratch buffer, append the new, look that up and store the new
486 node pointer. Inline.
487 (maybe_paste_with_next): If the result of paste is a NAME,
488 then look up the pasted text and store its node pointer.
489 (lex_line): Adjust for new parse_name interface.
490 Check for L"str", L'str' using spec_nodes->n_L.
491 (spell_token): SPELL_IDENT tokens have their spelling in
492 val.node->name. Handle SPELL_STRING tokens that don't have
494 (_cpp_expand_name_space,
495 (can_paste): Check for L ## "str" using spec_nodes->n_L.
496 (cpp_get_token, special_symbol): No need to call cpp_lookup.
497 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
498 return 1=equal 0=not, not a tristate.
500 * cpphash.c (var_args_str): Delete.
501 (find_param): Compare node fields directly.
502 (is__va_args__): Use CPP_PEDANTIC. Just compare
503 token->val.node with spec_nodes->n__VA_ARGS__.
504 (dump_funlike_macro): Don't use var_args_str.
506 * cpplib.c (_cpp_check_directive): Just walk through
507 spec_nodes->dirs comparing pointers.
508 (get_define_node, do_pragma_poison, detect_if_not_defined,
509 parse_ifdef): The identifier has already been looked up.
510 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
512 (do_if): Only call detect_if_not_defined at beginning of file.
513 (_cpp_parse_assertion): Only copy string pointers for
515 (pragma_dispatch): Take a node pointer and examine its name
517 (_cpp_init_stacks): Also initialize the spec_nodes structure.
519 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
521 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
522 reverse order from the corresponding _cpp_init_* routines.
524 * cppexp.c (parse_number, parse_charconst, parse_defined,
525 lex): Check val.node->type instead of calling cpp_defined.
526 Use spec_nodes entries where appropriate.
528 * fix-header.c, scan-decls.c: Update for interface changes.
530 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
532 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
533 emitting aux_truncdfsf2.
535 2000-07-03 Donn Terry (donnte@microsoft.com)
537 * cppinit.c (print_help): split overlong line into ISO C89
540 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
542 * cppexp.c: Update all code for new lexer interface.
543 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
544 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
545 * cpplex.c (token_names): Trim leading CPP_ from names; make
546 the strings unsigned.
547 (_cpp_spell_operator): New.
548 (is_macro_disabled): Disable all macros if rescanning
550 (_cpp_get_directive_token): Remove.
552 * cppinit.c: Don't set no_macro_expand.
553 * cpplib.c (read_line_number, do_line): Check only for EOF,
555 * cpphash.h: Update prototypes.
556 * cpplib.h (CPP_VSPACE): Remove.
557 (struct cpp_reader): Remove no_macro_expand.
559 2000-07-08 Neil Booth <NeilB@earthling.net>
561 * cpphash.c (is__va_args__): New function.
562 (count_params): Fix line reported in error messages. Use
563 is__va_args__. Don't return ')' on error. Flag GNU style
564 rest args macro definitions.
565 (parse_define): Check macro name is not __VA_ARGS__.
566 (save_expansion): Check identifier in non-varargs-macro is
567 not __VA_ARGS__. Don't flag GNU_VARARGS.
568 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
569 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
570 than per-token GNU_VARARGS.
571 * cpplib.h (GNU_VARARGS): Remove.
572 (GNU_REST_ARGS): New.
574 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
576 * i386.md (call_pop, call, call_value_pop): Do not set
577 current_function_uses_pic_offset_table for calls to static
578 functions or indirect calls.
580 2000-07-07 Jim Wilson <wilson@cygnus.com>
582 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
583 is_predicate_reg, then take max write_count of register pair.
585 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
587 * tradcpp.c (main): Rename label `include' to `add_include' to
588 avoid conflicts with variable `include' in traditional C.
590 2000-07-07 Jakub Jelinek <jakub@redhat.com>
592 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
594 2000-07-07 Jakub Jelinek <jakub@redhat.com>
596 * sibcall.c (uses_addressof): Add INMEM argument, check for
597 current_function_internal_arg_pointer outside of MEM rtxs in addition
599 (sequence_uses_addressof): Update caller.
601 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
603 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
606 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
608 * system.h (UNION_INIT_ZERO): New macro for initializing union
611 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
613 2000-07-07 Neil Booth <NeilB@earthling.net>
617 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
619 * final.c (final): Detect out of bounds array access to
620 the insn_lengths array.
622 2000-07-07 Kazu Hirata <kazu@hxi.com>
624 * fold-const.c (fold): Fix a comment typo.
626 2000-07-07 Neil Booth <NeilB@earthling.net>
628 * cpp.texi: Update to new lexer.
630 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
632 * tradcpp.c: New file.
633 * tradcif.y: New file.
634 * tradcif.c: New generated file.
636 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
637 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
638 dependencies of C. Install tradcpp from install-common, in
641 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
643 * cppinit.c: Include cppdefault.h. Refer to
644 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
645 to GCC_INCLUDE_DIR and its length.
646 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
647 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
648 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
650 (include_defaults_array): Move to cppdefault.c.
652 * cppdefault.h: New file.
653 * cppdefault.c: New file.
655 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
656 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
657 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
660 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
662 * reload.c (push_reload): When seeing if can reuse a register,
663 check extra registers against widest of INMODE and OUTMODE.
665 2000-07-06 Neil Booth <NeilB@earthling.net>
667 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
668 based on full length of predicate.
670 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
672 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
673 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
675 2000-07-05 Kazu Hirata <kazu@hxi.com>
677 * h8300-proto.h: Fix formatting.
681 2000-07-05 Jim Wilson <wilson@cygnus.com>
683 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
686 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
688 * invoke.texi: Fix minor typos
689 * md.texi: Fix minor typos
691 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
693 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
695 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
697 * cpplex.c: Don't include sys/mman.h.
698 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
700 * cpplib.c: Include sys/mman.h and obstack.h.
701 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
703 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
704 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
705 bother freeing if stack entries (they will be freed with their buffer).
706 (do_endif): Free if stack entries from the buffer obstack.
707 (push_conditional): Allocate if stack entries from the buffer obstack.
709 (find_answer): Rename to _cpp_find_answer.
710 (do_assert, do_unassert): Update.
712 * cpphash.h: Update prototypes.
713 (xobnew): New convenience macro.
714 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
716 (struct cpp_hashnode): Remove disabled field.
718 * cppinit.c: Don't include hashtab.h or splay-tree.h.
719 (report_missing_guard): Moved to cppfiles.c.
720 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
722 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
723 cpp_cleanup_includes. Don't destroy hashtab or
724 all_include_files here.
725 (cpp_finish): Use _cpp_report_missing_guards.
727 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
728 (_cpp_init_include_table): Rename _cpp_init_includes.
729 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
731 * cppexp.c (parse_assertion): Update for new name of
734 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
736 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
738 * cpplib.c (do_ident): s/VSPACE/EOF/
740 2000-07-05 Neil Booth <NeilB@earthling.net>
742 * cpplex.c: Fix trigraph replacement within strings.
744 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
746 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
748 * xcoffout.c (assign_type_number): Constify.
749 (xcoffout_source_file): Add static prototype. Don't needlessly
750 cast away const-ness.
752 2000-07-04 Jason Merrill <jason@redhat.com>
754 * frame.h (frame_state): Move base_offset to end.
756 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
758 * calls.c (emit_library_call_value_1): Revert previous change.
760 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
762 * fix-header.c (struct partial_proto): Remove unnecessary fields.
763 (recognized_extern, recognized_function, read_scan_file):
764 Update for new scheme.
765 (check_protection): It's still a multiple include guard even
766 if it doesn't always trigger.
767 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
769 * scan.h: Declare struct cpp_token. Update prototypes.
771 2000-07-03 Neil Booth <neilb@earthling.net>
772 Zack Weinberg <zack@wolery.cumb.org>
774 Complete overhaul of the lexer and macro expander.
776 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
777 arg, arglist, argdata, reflist, collect_objlike_expansion,
778 collect_funlike_expansion, collect_params,
779 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
780 unsafe_chars, macarg, compare_defs, special_symbol,
781 scan_arguments, stringify, funlike_macroexpand,
782 _cpp_quote_string, monthnames): Delete.
783 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
784 _cpp_create_definition, _cpp_dump_definition,
785 dump_hash_helper): Adjust.
786 (find_param, count_params, parse_define, var_args_str,
787 check_macro_redefinition, save_expansion): New.
789 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
790 parse_string, output_line_command, trigraph_replace,
791 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
792 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
793 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
794 _cpp_skip_rest_of_line): Modify.
796 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
797 find_position, null_warning, bump_column, expand_name_space,
798 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
799 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
800 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
801 _cpp_prescan): Delete.
803 (dump_param_spelling, process_directive, lex_next,
804 is_macro_disabled, stringify_arg, expand_context_stack,
805 output_token, make_string_token, alloc_number_token,
806 special_symbol, duplicate_token, maybe_paste_with_next,
807 can_paste, prevent_macro_expansion, restore_macro_expansion,
808 get_temp_token, release_temp_tokens, quote_string,
809 token_names, token_spellings, _cpp_expand_name_space,
810 _cpp_glue_header_name, _cpp_reserve_name_space,
811 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
812 placemarker_token, eof_token, cpp_context, macro_args,
813 get_raw_token, parse_arg, parse_args, save_token,
814 push_arg_context, push_macro_context, pop_context,
815 do_pop_context, free_macro_args, _cpp_get_line,
816 _cpp_run_directive): New.
818 * cpplib.c (validate_else, parse_include, push_conditional,
819 pass_thru_directive, read_line_number, parse_ifdef,
820 detect_if_not_defined, _cpp_check_directive, do_define,
821 do_undef, do_include, do_import, do_include_next, do_error,
822 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
823 top_pragmas, do_pragma_gcc, do_pragma_implementation,
824 do_pragma_poison, do_pragma_system_header,
825 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
826 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
827 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
828 cpp_defined): Update for new scheme.
829 (strtoul_for_line, get_define_node, dump_macro_name,
830 _cpp_check_linemarker, _cpp_parse_assertion): New.
831 (_cpp_handle_directive, do_pragma_default): Delete.
833 * cpphash.h (struct predicate): Now struct answer.
834 (enum spell_type, struct token_spelling, struct directive,
835 directive_handler): New.
836 Update prototypes. Remove unused macros.
837 * cpplib.h: Update prototypes. Remove unused macros,
838 structure definitions, and fields.
840 * cpperror.c (print_containing_files, v_message): Adjust.
841 * cppexp.c (parse_assertion, lex, parse_escape,
842 _cpp_parse_expr): Adjust.
843 * cppfiles.c (open_include_file, _cpp_execute_include,
844 _cpp_compare_file_date, cpp_read_file, read_include_file):
846 * cppinit.c (dump_special_to_buffer): Delete.
847 (append_include_chain, merge_include_chains, cpp_reader_init,
848 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
849 cpp_finish, handle_option, print_help): Adjust.
850 * cppmain.c (main): Adjust.
852 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
854 * cppspec.c (lang_specific_driver): Use double quotes in error
857 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
859 * calls.c (emit_library_call_value_1): Use valreg instead
860 of hard_libcall_value.
862 2000-07-03 Geoff Keating <geoffk@cygnus.com>
864 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
865 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
866 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
874 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
875 mode instead of wider_mode is being used.
877 2000-07-03 Jakub Jelinek <jakub@redhat.com>
879 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
880 of 'r'. Use q_regs_operand.
881 (andsi_1+2): Use q_regs_operand.
883 2000-07-03 Jakub Jelinek <jakub@redhat.com>
885 * builtins.c (get_memory_rtx): Always put into alias set 0.
887 2000-07-03 Nick Clifton <nickc@cygnus.com>
889 * config/arm/arm.md: Fix post increment and pre increment
890 peepholes so that they do not generate UNPREDICATBLE opcodes.
891 (ie ones where the increment clobbers the source/destination).
893 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
895 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
896 change too big for -mtiny-stack" a warning, if larger than 63.
897 (out_set_stack_ptr): Change the logic so -mno-interrupts is
898 always safe to use on possible future devices.
899 (function_prologue): Write SPH before SPL, for consistency.
900 If interrupt_func_p true, we know we have enabled interrupts.
901 (avr_num_arg_regs): New function. Round up to even number of
902 bytes if no -mpack-args or if calling a libgcc function.
903 (function_arg, function_arg_advance): Use it.
904 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
905 Output "movw" if available.
906 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
907 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
908 (asm_output_section_name): Add blanks for consistent output.
909 (encode_section_info): Set TREE_READONLY for progmem data to
910 avoid gas warnings about changed section attributes.
911 (avr_hard_regno_mode_ok): Force non-QImode data to start in
912 even numbered registers on devices with "movw".
913 * config/avr/avr.h (MASK_*): Define bits for target_flags.
914 (TARGET_SWITCHES): Mark help strings for translation.
915 Add new -mpack-args and -menhanced switches.
916 (TARGET_OPTIONS): Mark help strings for translation.
917 (progmem_section): Add section attributes.
918 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
919 Output "movw" if available.
920 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
922 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
923 call convention (arguments aligned on even registers).
924 (_cleanup, _exit): Make weak symbols libc can override.
926 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
928 * fp-bit.h: New file.
930 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
931 Comment #endif statements.
932 (__thenan_sf, __thenan_df): Add missing braces around initializer.
934 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
936 * gcse.c (compute_pre_data): Compute ae_kill using other local
937 properties instead of calling compute_ae_kill.
939 * alias.c (init_alias_analysis): Do not call
940 prologue_epilogue_contains until after reload has completed.
942 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
944 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
945 (genrtl_finish_compound_stmt): Likewise.
946 (genrtl_compound_stmt): Change to return void.
948 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
949 move code from here to ...
950 (genrtl_compound_stmt): ... here.
951 (genrtl_finish_compound_stmt): Remove.
952 (expand_stmt): Add comment.
954 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
956 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
959 2000-07-02 Jakub Jelinek <jakub@redhat.com>
961 * cpplib.h (struct cpp_reader): New field include_depth.
962 (struct cpp_printer): Rename last_bsd to last_id.
963 * cppfiles.c (read_include_file): Bump include_depth.
964 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
965 (output_line_command): Output correct #line if a header
966 is including itself and is not protected against multiple inclusion.
967 Use include_depth instead of buffer_stack_depth, last_id instead of
969 * cppinit.c (cpp_start_read): Initialize last_id instead of
972 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
974 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
975 (c-semantics.o): New target.
977 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
978 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
979 (genrtl_clear_out_block): Likewise.
980 (genrtl_goto_stmt): Likewise.
981 (genrtl_expr_stmt): Likewise.
982 (genrtl_decl_stmt): Likewise.
983 (genrtl_if_stmt): Likewise.
984 (genrtl_while_stmt): Likewise.
985 (genrtl_do_stmt): Likewise.
986 (genrtl_return_stmt): Likewise.
987 (genrtl_for_stmt): Likewise.
988 (genrtl_break_stmt): Likewise.
989 (genrtl_continue_stmt): Likewise.
990 (genrtl_scope_stmt): Likewise.
991 (genrtl_switch_stmt): Likewise.
992 (genrtl_case_label): Likewise.
993 (genrtl_begin_compound_stmt): Likewise.
994 (gerntl_finish_compound_stmt): Likewise.
995 (genrtl_compound_stmt): Likewise.
996 (genrtl_asm_stmt): Likewise.
997 (genrtl_decl_cleanup): Likewise.
998 (DECL_ANON_UNION_ELEMS): Likewise.
999 (emit_local_var): Likewise.
1000 (make_rtl_for_local_static): Likewise.
1001 (expand_cond): Likewise.
1002 (expand_stmt): Likewise.
1003 (c_expand_return): Likewise.
1004 (c_expand_start_case): Likewise.
1005 (do_case): Likewise.
1006 (COMPOUND_STMT_NO_SCOPE): Likewise.
1007 (c_expand_asm_operands): Likewise.
1008 (NEW_FOR_SCOPE_P): New macro.
1009 (expand_expr_stmt_fn): New type.
1011 (set_current_function_name_declared): Likewise.
1012 (current_function_name_declared): Likewise.
1013 (lang_expand_stmt): Likewise.
1014 (stmts_are_full_exprs_p): Likewise.
1015 (anon_aggr_type_p): Likewise.
1016 (lang_expand_expr_stmt): Likewise.
1017 (build_case_label): Likewise.
1019 * c-decl.c (lang_expand_expr_stmt): Initialize.
1020 (stmts_are_full_exprs_p): Define.
1021 (current_function_name_declared): Likewise.
1022 (do_case): Likewise.
1023 (lang_expand_stmt): Likewise.
1024 (set_current_function_name_declared): Likewise.
1025 (anon_aggr_type_p): Likewise.
1027 * c-semantics.c: New file.
1028 (expand_cond): Moved from cp/semantics.c.
1029 (genrtl_do_pushlevel): Likewise.
1030 (genrtl_clear_out_block): Likewise.
1031 (genrtl_goto_stmt): Likewise.
1032 (genrtl_expr_stmt): Likewise.
1033 (genrtl_decl_stmt): Likewise.
1034 (genrtl_if_stmt): Likewise.
1035 (genrtl_while_stmt): Likewise.
1036 (genrtl_do_stmt): Likewise.
1037 (genrtl_return_stmt): Likewise.
1038 (genrtl_for_stmt): Likewise.
1039 (genrtl_break_stmt): Likewise.
1040 (genrtl_continue_stmt): Likewise.
1041 (genrtl_scope_stmt): Likewise.
1042 (genrtl_switch_stmt): Likewise.
1043 (genrtl_case_label): Likewise.
1044 (genrtl_begin_compound_stmt): Likewise.
1045 (genrtl_finish_compound_stmt): Likewise.
1046 (genrtl_compound_stmt): Likewise.
1047 (genrtl_asm_stmt): Likewise.
1048 (genrtl_decl_cleanup): Likewise.
1049 (make_rtl_for_local_static): Moved from cp/decl.c.
1050 (emit_local_var): Likewise.
1051 (expand_stmt): Define.
1053 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1054 (c_expand_return): Likewise.
1055 (c_expand_start_case): Likewise.
1057 2000-07-01 Richard Henderson <rth@cygnus.com>
1059 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1060 with the low 13 bits set.
1061 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1062 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1063 of the low 13 bits into a CONST plus an adddi3.
1064 (load_symptr): Set RTX_UNCHANGING_P.
1066 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1068 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1069 * c-common.c (ridpointers): Declare.
1070 * c-common.h (enum rid): Declare.
1072 (ridpointers): Likewise.
1073 * c-lex.c (ridpointers): Don't declare.
1074 (init_lex): Initialize ridpointers.
1075 * c-lex.h (enum rid): Don't declare.
1077 (RID_FIRST_MODIFIER): Likewise.
1078 (ridpointers): Likewise.
1080 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1082 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1085 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1087 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1090 2000-06-30 Catherine Moore <clm@cygnus.com>
1092 * c-common.c (decl_attributes): Differentiate between
1093 types and type decls for alignment.
1095 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1097 * cpp.texi: Document #pragma GCC dependency
1098 * cppfiles.c (open_include_file): Set date to unknown.
1099 (_cpp_compare_file_date): New function.
1100 (read_include_file): Set file date.
1101 * cpphash.h (struct include_file): Add date member.
1102 (_cpp_compare_file_date): Prototype.
1103 * cpplib.c (parse_include): Add trail parameter. Adjust.
1104 (do_include): Adjust parse_include call.
1105 (do_import): Likewise.
1106 (do_include_next): Likewise.
1107 (gcc_pragmas): Add dependency pragma.
1108 (do_pragma_dependancy): New pragma.
1110 2000-06-29 Jason Merrill <jason@redhat.com>
1112 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1115 2000-06-29 Jim Wilson <wilson@cygnus.com>
1117 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1118 a volatile mem and FR_REGS.
1120 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1122 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1123 * c-common.h (flag_const_strings): Declare.
1124 (warn_format): Likewise.
1125 (flag_traditional): Likewise.
1126 (flag_isoc99): Likewise.
1127 (warn_parentheses): Likewise.
1128 (warn_conversion): Likewise.
1129 (C_TYPE_OBJECT_P): Likewise.
1130 (C_TYPE_INCOMPLETE_P): Likewise.
1131 (C_TYPE_FUNCTION_P): Likewise.
1132 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1133 (C_EXP_ORIGINAL_CODE): Likewise.
1134 (build_unary_op): Likewise.
1135 (build_binary_op): Likewise.
1136 (lvalue_p): Likewise.
1137 (default_conversion): Likewise.
1138 (common_type): Likewise.
1139 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1140 (C_TYPE_INCOMPLETE_P): Likewise.
1141 (C_TYPE_FUNCTION_P): Likewise.
1142 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1143 (C_EXP_ORIGINAL_CODE): Likewise.
1144 (common_type): Likewise.
1145 (default_conversion): Likewise.
1146 (build_binary_op): Likewise.
1147 (build_unary_op): Likewise.
1148 (lvalue_p): Likewise.
1149 (flag_const_strings): Likewise.
1150 (warn_format): Likewise.
1151 (warn_conversion): Likewise.
1152 (flag_traditional): Likewise.
1153 (flag_isoc99): Likewise.
1154 (warn_parentheses): Likewise.
1156 2000-06-29 James E. Wilson <wilson@cygnus.com>
1158 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1160 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1161 same. Only tie XFmode with XFmode.
1163 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1165 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1166 * Makefile.in: Update deps.
1168 2000-06-29 Andrew Haley <aph@cygnus.com>
1170 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1173 2000-06-29 Andrew Haley <aph@cygnus.com>
1175 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1176 bytes: remove the multiply by 8.
1178 2000-06-29 Philipp Thomas <pthomas@suse.de>
1180 * rtl.c : Revert NLS changes.
1181 * gcc.c : Fix bug in display_help introced by my last changes.
1183 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1185 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1186 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1188 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1190 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1192 2000-06-28 Philipp Thomas <pthomas@suse.de>
1194 * c-decl.c : Mark strings for translation.
1195 (parmlist_tags_warning): Use distinct messages instead
1196 of conditional expressions.
1197 * diagnostic.c (v_message_with_decl): Mark string for translation.
1198 * gcc.c: Mark messages for translation.
1199 (display_help): Combine messages into one string where necessary.
1200 * mips-tfile: Add intl.h. Mark messages for translation.
1201 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1202 messages for translation.
1203 * timevar.c: Mark messages for translation.
1204 * tlink.c: Likewise.
1205 * toplev.c: Likewise.
1207 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1209 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1211 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1212 use -isystem instead of -idirafter.
1213 * i386/i386-interix.h: Likewise.
1215 2000-06-28 Jason Merrill <jason@redhat.com>
1217 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1218 unless DWARF2_DEBUGGING_INFO is defined.
1219 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1221 2000-06-28 Richard Henderson <rth@cygnus.com>
1223 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1225 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1227 * cpplex.c (output_line_command): Output correct #line if a header
1228 is including itself and is not protected against multiple inclusion.
1230 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1232 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1233 ENFILE, close all cached file descriptors and try again.
1234 (_cpp_execute_include): Keep a count of the number of times
1235 each header is included.
1236 (close_cached_fd): New function.
1237 * cpphash.h (struct include_file): Rename before to
1238 include_count; all users updated. Make include_count and sysp
1240 * cppinit.c (cpp_finish): If -H, report headers that could use
1242 (report_missing_guard): New function.
1244 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1246 * i386.md (prologue_set_got): Set length_immediate field.
1247 (testqi_ccno_1): Add missing '@' character.
1249 2000-06-27 Jason Merrill <jason@redhat.com>
1251 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1254 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1256 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1257 unsigned macros available.
1259 2000-06-27 Richard Henderson <rth@cygnus.com>
1261 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1262 epilogue_deallocate_stack.
1264 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1265 completers for UNORDERED and ORDERED as well.
1266 * config/ia64/ia64.md (bunordered, bordered): New.
1267 (sunordered, sordered): New.
1269 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1271 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1272 * i386.c (ix86_attr_length_default): Kill.
1273 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1275 * i386-protos.h (ix86_attr_length_default): Kill
1276 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1278 * i386.md (attribute type): Add "test".
1279 (attribute length_prefix): Kill.
1280 (attribute length_opcode): Kill.
1281 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1282 prefix_rep, prefix_0f, modrm): New.
1283 (attribute length): Compute using the new attributes.
1284 (attribute pent_prefix): New.
1285 (attribute pent_pair): Compute using pent_prefix.
1286 (all insn patterns): Set mode,modrm and immediate_length attributes where
1288 (cmpsi patterns): Compute sizes propertly for test instruction.
1289 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1290 (movstricthi_xor, movstrictqi_xor): New patterns.
1291 (andsi/andhi): Use splitters to generate xor instructions.
1292 (xorqi_ext_1): New pattern.
1293 (movstricthi->movstricthi_xor peep2): New.
1295 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1297 * i386.md (addqi_low_1): Remove.
1299 2000-06-27 Philipp Thomas <pthomas@suse.de>
1301 * 1750a.h: Mark help strings for options/switches for translation.
1303 * alpha.h: Likewise.
1306 * riscix.h: Likewise.
1308 * clipper.h: Likewise.
1309 * convex.h: Likewise.
1310 * elxsi.h: Likewise.
1313 * h8300.h: Likewise.
1315 * cygwin.h: Likewise.
1317 * djgpp.h: Likewise.
1319 * osf1elf.h: Likewise.
1320 * osfrose.h: Likewise.
1322 * win32.h: Likewise.
1324 * paragon.h: Likewise.
1328 * mcore.h: Likewise.
1330 * mn10300.h: Likewise.
1331 * ns32k.h: Likewise.
1332 * pdp11.h: Likewise.
1335 * aix41.h: Likewise.
1336 * aix43.h: Likewise.
1338 * rs6000.h: Likewise.
1339 * sysv4.h: Likewise.
1340 * linux.h: Likewise.
1341 * linux64.h: Likewise.
1342 * sp64-elf.h: Likewise.
1343 * sparc.h: Likewise.
1344 * splet.h: Likewise.
1346 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1348 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1349 Properly document option and mark for translation.
1350 * sp86x-elf.h: Likewise.
1352 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1354 Add MMX and SSE registers to i386 machine description.
1355 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1356 ix86_local_alignment): Declare.
1358 * i386.h (TARGET_MMX, TARGET_SSE): New.
1359 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1360 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1361 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1362 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1363 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1364 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1365 (RETURN_IN_MEMORY): Handle MMX/SSE.
1366 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1367 also get stack space.
1368 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1369 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1370 (MMX_REGISTER_NAMES): New.
1371 (ALIGN_MODE_128): New macro.
1372 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1373 (DATA_ALIGNMENT): Likewise.
1374 (LOCAL_ALIGNMENT): Likewise.
1375 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1376 TARGET_MMX/TARGET_SSE.
1377 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1378 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1379 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1380 SSE/MMX regs and something else.
1381 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1382 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1383 3 if moving between MMX regs and something else.
1385 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1386 (regclass_map): Add MMX/SSE registers.
1387 (print_operand): Add code to print XMMWORD as appropriate.
1388 (ix86_split_movdi): Abort for MMX regs.
1389 (init_cumulative_args): Also allow SSE_REGS
1390 (function_arg_advance, function_arg): Likewise
1391 (print_reg): Support 'm'. Add case for TImode.
1392 (override_options): TARGET_SSE implies TARGET_MMX.
1393 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1396 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1398 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1400 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1401 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1403 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1405 * ssa.c (struct rename_set_data): Change the name of field
1406 'set_dest' to 'old_reg'. Add comments.
1407 (struct rename_context): Change the name of 'set_data' to
1408 'new_renames'. Add new field 'done_renames'.
1409 (create_delayed_rename): New function.
1410 (apply_delayed_renames): New function.
1411 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1412 SUBREGs and similar by emitting a move.
1413 (new_registers_for_updates): Delete, functionality moved to
1414 apply_delayed_renames.
1415 (rename_block): Handle moves emitted by rename_insn_1 by putting
1416 them into a SEQUENCE with the original insn. Add sanity checks
1418 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1419 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1421 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1422 Jason Merrill <jason@redhat.com>
1424 * dwarf2.h (enum dwarf_call_frame_info): Add
1425 DW_CFA_def_cfa_expression.
1426 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1427 dw_loc_descr_struct entry.
1428 (struct cfa_loc): New structure to track a CFA location.
1429 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1430 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1431 offset, plus handle DW_CFA_def_cfa_expression.
1432 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1434 (dwarf2out_def_cfa): Entry point maintained for compatability.
1435 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1436 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1437 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1438 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1440 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1441 sequences for the new DW_CFA_def_cfa_expression record.
1442 (dwarf2out_frame_debug): Use new variables/fields.A
1443 (output_cfi): Handle DW_CFA_def_cfa_expression.
1444 (output_cfa_loc): New function to generate a CFI record for
1445 DW_CFA_def_cfa_expression.
1446 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1447 a dw_loc_descr sequeunce.
1448 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1449 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1450 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1451 unwind info section.
1452 * frame.h (frame_state): Add base_offset and indirect fields.
1453 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1454 dw_loc_descr operation.
1455 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1456 (struct frame_state): Add base offset and indirect fields.
1457 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1459 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1461 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1462 Make warnings about implicit int be pedwarns in C99. Don't warn
1463 about duplicate type qualifiers in C99.
1464 (start_function): Make warning about implict int return type be a
1466 * c-lex.c (yylex): Don't warn about `long long' in C99.
1467 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1468 `return' with no value in function returning non-void.
1470 2000-06-26 Richard Henderson <rth@cygnus.com>
1472 * c-typeck.c (pedwarn_c99): New.
1473 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1474 * toplev.h: Prototype them.
1476 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1478 * c-typeck.c (digest_init): Return error_mark_node node when
1479 TREE_TYPE (init) == error_mark_node.
1481 2000-06-26 Philipp Thomas <pthomas@suse.de>
1483 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1484 test for msgfmt without path instead.
1485 * configure: Rebuilt.
1487 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1489 * gengenrtl.c (special_rtx): Fix typo in comment.
1491 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1493 * mklibgcc.in (LIB2FUNCS): Add missing space.
1495 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1497 * tree.h (enum tree_index): Add vector type nodes.
1498 Add accessor macros for them.
1499 (TYPE_REPRESENATION_TYPE): New macro.
1500 * tree.c (build_common_tree_nodes_2): Build these nodes.
1501 (finish_vector_type): New function.
1502 * c-common.c (type_for_mode): Handle vector modes.
1503 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1505 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1506 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1507 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1508 (gen_type_die): Likewise.
1509 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1510 (fundamental_type_code): Likewise.
1511 (type_is_fundamental): VECTOR_TYPEs aren't.
1512 (output_type): Handle VECTOR_TYPEs.
1514 2000-06-25 Kazu Hirata <kazu@hxi.com>
1516 * config/arm.c: Fix a comment typo.
1517 * config/arm.h: Likewise.
1519 2000-06-25 Philipp Thomas <pthomas@suse.de>
1521 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1523 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1524 * configure: Rebuilt.
1526 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1528 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1530 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1532 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1535 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1537 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1539 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1541 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1543 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1545 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1546 last_unconditional_cleanup.
1548 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1550 * tree.def (VECTOR_TYPE): New node type.
1551 * tree.h: Adjust some comments to reflect addition of vector types.
1552 (TYPE_VECTOR_SUBPARTS): New macro.
1553 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1554 * c-convert.c (convert): Likewise.
1555 * convert.c (convert_to_integer): Handle vector modes.
1556 (convert_to_vector): New function.
1557 * convert.h (convert_to_vector): Declare.
1558 * expr.c (convert_move): Handle vector modes.
1559 * expmed.c (extract_bit_field): Don't abort for vector modes.
1561 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1563 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1564 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1565 New functions, common code moved from function_{prologue,epilogue}
1566 and extended to support the -mtiny-stack option.
1567 (function_prologue, function_epilogue): Use them.
1568 Use lo8/hi8 consistently for asm output readability.
1569 (avr_hard_regno_mode_ok): New function.
1570 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1571 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1572 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1573 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1574 Write SPH before SPL.
1575 (*movqi): No need to disable interrupts for just one "out"
1576 in alternative 5. Change length attribute from 4 to 1.
1577 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1578 Write SPH before SPL.
1580 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1582 * rtl.texi (Vector Operations): New node.
1583 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1584 (Conversions): Add ss_truncate, us_truncate.
1585 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1586 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1587 US_TRUNCATE): New rtx codes.
1588 * machmode.def: Add vector modes.
1589 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1591 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1592 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1593 (VECTOR_MODE_P): New.
1595 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1597 * cpp.texi: Clarify #pragma GCC namespace.
1599 2000-06-24 Philipp Thomas <pthomas@suse.de>
1601 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1602 all catalogs specified in ALL_LINGUAS.
1603 * configure: Rebuilt.
1605 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1607 * config/sparc/sparc.md (reload_outdi+1): Handle
1608 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1609 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1611 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1613 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1614 struct vs. scalar-ness when -fno-strict-aliasing.
1616 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1618 * cpplib.c (struct pragma_entry): New structure.
1619 (pragma_dispatch): Pragma dispatcher.
1620 (top_pragmas, gcc_pragmas): New static variables.
1621 (do_pragma): Use pragma_dispatch.
1622 (do_pragma_gcc): New pragma handler.
1625 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1627 * calls.c (compute_argument_addresses): Force stack slots into
1629 * expr.c (emit_push_insn): Force pushes into alias set 0.
1631 2000-06-23 Richard Henderson <rth@cygnus.com>
1633 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1634 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1636 2000-06-22 Jason Merrill <jason@redhat.com>
1638 * toplev.c (compile_file): Always call timevar_print.
1639 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1641 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1643 * varasm.c (constant_descriptor): Make contents unsigned char.
1644 (mark_const_hash_entry): Adjust.
1645 (const_hash): Just hash the code of unknown nodes.
1646 (compare_constant_1): Adjust for unsigned char.
1647 Use language specific expander on unknown nodes.
1648 (record_constant_1): Likewise.
1650 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1652 * cppfiles.c (cpp_make_system_header): New function.
1653 * cpplib.h: Prototype it.
1654 * cpplib.c (do_line, do_pragma_system_header): Use it.
1655 * fix-header.c (read_scan_file): Use it.
1657 * fix-header.c (check_macro_names): Cast second arg of
1658 cpp_defined to const unsigned char *.
1659 (read_scan_file): Make getchar_call const unsigned char.
1661 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1663 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1664 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1665 (destroy_include_file_node): New.
1666 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1667 Create a splay tree, not a hash table.
1668 (open_include_file): Look up the path in the include table,
1669 do the multiple include optimization here, etc.
1670 (cpp_included): Walk the path.
1671 (find_include_file): Just walk the path calling
1672 open_include_file, or call it directly for an absolute path.
1673 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1675 (read_include_file): Update for new scheme. Don't close the
1676 file unless reading fails.
1677 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1679 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1680 (struct include_file): New.
1681 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1683 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1686 * cppinit.c: Include splay-tree.h.
1687 (cpp_reader_init, cpp_cleanup): Update.
1689 * cpplib.h (struct cpp_buffer): Change ihash field to
1690 'struct include_file *inc'. Remove system_header_p.
1691 (struct cpp_reader): Change all_include_files to a
1692 struct splay_tree_s *.
1694 * cpplex.c: Update all references to cpp_buffer->ihash and/or
1695 cpp_buffer->system_header_p.
1696 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
1698 * Makefile.in (SPLAY_TREE_H): New macro.
1699 (cppfiles.o, cppinit.o): Update dependencies.
1701 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
1703 * invoke.texi (g++): "g++" is not a script anymore.
1705 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1707 * function.c (round_down): Delete obsolete prototype.
1709 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
1711 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
1713 * configure.in: Use 'test a = b' not 'test a == b'.
1716 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
1718 * Makefile.in: Remove all references to HOST_INTLLIBS.
1720 * cpplex.c (parse_name): Don't warn about $ in identifiers if
1723 2000-06-20 Philipp Thomas <pthomas@suse.de>
1725 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
1728 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1730 * Take REG_INC notes into account.
1732 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
1734 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
1735 (primary: IDENTIFIER): Just call build_external_ref.
1736 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1738 * c-lex.c (lastiddecl): Remove.
1739 (yylex): Replace all instances of lastiddecl with local
1742 * c-typeck.c (build_external_ref): New function. Treat decls
1743 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
1744 Look up the decl from the id here. Call lookup_objc_ivar.
1745 * c-lang.c (lookup_objc_ivar): Stub.
1746 * objc/objc-act.c (lookup_objc_ivar): New function.
1748 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
1749 * c-lex.h: Don't declare lastiddecl.
1751 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
1753 * c-common.h (IF_COND): Added documentation.
1754 (THEN_CLAUSE): Likewise.
1755 (ELSE_CLAUSE): Likewise.
1756 (WHILE_COND): Likewise.
1757 (WHILE_BODY): Likewise.
1758 (DO_COND): Likewise.
1759 (DO_BODY): Likewise.
1760 (RETURN_EXPR): Likewise.
1761 (EXPR_STMT_EXPR): Likewise.
1762 (FOR_INIT_STMT): Likewise.
1763 (FOR_COND): Likewise.
1764 (FOR_EXPR): Likewise.
1765 (FOR_BODY): Likewise.
1766 (SWITCH_COND): Likewise.
1767 (SWITCH_BODY): Likewise.
1768 (CASE_LOW): Likewise.
1769 (CASE_HIGH): Likewise.
1770 (GOTO_DESTINATION): Likewise.
1771 (COMPOUND_BODY): Likewise.
1772 (ASM_CV_QUAL): Likewise.
1773 (ASM_STRING): Likewise.
1774 (ASM_OUTPUTS): Likewise.
1775 (ASM_INPUTS): Likewise.
1776 (ASM_CLOBBERS): Likewise.
1777 (DECL_STMT_DECL): Likewise.
1778 (STMT_EXPR_STMT): Likewise.
1779 (LABEL_STMT_LABEL): Likewise.
1781 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
1782 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
1783 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
1784 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1786 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1788 * configure.in (--enable-checking): Update --help doc to reflect
1789 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
1791 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1793 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
1795 * function.c (put_var_into_stack): Don't reference DECL_ fields
1796 if input is a SAVE_EXPR.
1797 Use set_mem_attributes in COMPLEX case.
1799 2000-06-18 Richard Henderson <rth@cygnus.com>
1801 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
1802 (ia64_file_start): Declare.
1803 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
1804 (GR_REGNO_P): Likewise.
1805 * config/ia64/ia64.c: Many prototypes.
1806 (ia64_reg_numbers): Constify.
1807 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
1808 (ia64_section_threshold): Make unsigned.
1809 (ia64_print_operand): Constify.
1810 (fix_range): Constify.
1811 (ia64_init_builtins): Don't compare signed vs unsigned.
1812 (ia64_expand_builtin): Likewise.
1814 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
1815 (CONSTRAINT_OK_FOR_Q): New.
1816 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
1817 (movsf_internal, movdf_internal): Likewise.
1818 (cmovdi_internal): Rewrite so that constraints and predicates match;
1820 (cmovsi_internal): Likewise.
1822 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
1823 (ASM_FILE_START): New.
1824 * config/ia64/ia64.c (ia64_file_start): New.
1825 (rtx_needs_barrier): Handle pred.rel.mutex.
1826 (emit_predicate_relation_info): New.
1827 * config/ia64/ia64.md (pred_rel_mutex): New.
1828 * config/ia64/linux.h (ASM_SPEC): Define.
1829 * config/ia64/sysv4.h (ASM_FILE_START): Define.
1831 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
1832 filtering global register variables.
1834 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1836 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
1838 2000-06-17 Michael Meissner <meissner@redhat.com>
1840 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
1841 not present and there is a field after a '-'.
1843 2000-06-17 Bruce Korb <bkorb@gnu.org>
1845 * fixinc/check.tpl: finish the implementation of multiple tests
1847 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
1848 (io_quotes_def): add a second test
1849 (various): reorder `files' so that "limits.h" is never first
1850 * fixinc/tests/base/*: update the testing output
1852 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1854 * gcc.texi: Remove reference to stupid.c.
1856 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
1858 * c-common.c (c_tree_code_type): New array.
1859 (c_tree_code_length): Likewise.
1860 (c_tree_code_name): Likewise.
1861 (add_c_tree_codes): New function.
1863 * c-common.h (add_c_tree_codes): Declare.
1864 (enum c_tree_code): New enum.
1866 * c-lex.c (init_parse): Added call to add_c_tree_codes.
1868 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1870 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
1871 select pattern to also match macro defs with only one argument.
1873 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
1875 * i386.md: Create new [right,left] rotate and right shift
1876 patterns to optimize shift by 1 bit for certain ia32 processors.
1877 Update patterns which perform left shifts to optimize shift by
1878 1 bit for certain ia32 processors.
1879 * i386.c (const_int_1_operand): New predicate.
1880 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
1881 * i386-protos.h (const_int_1_operand): Prototype.
1883 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1885 * mips.c (machine_dependent_reorg): Fix braces for nested if.
1887 2000-06-14 Geoff Keating <geoffk@cygnus.com>
1889 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
1892 2000-06-14 Richard Henderson <rth@cygnus.com>
1894 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
1896 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
1899 * print-rtl.c (print_rtx): Emit space before mem alias set.
1901 2000-06-14 David Edelsohn <edelsohn@gnu.org>
1903 * rs6000.c (expand_block_move): Fix typo in earlier change.
1904 (print_operand): Remove unused variables neg and op.
1905 (toc_hash_mark_entry): Fix prototype.
1907 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
1909 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
1910 (THEN_CLAUSE): Likewise.
1911 (ELSE_CLAUSE): Likewise.
1912 (WHILE_COND): Likewise.
1913 (WHILE_BODY): Likewise.
1914 (DO_COND): Likewise.
1915 (DO_BODY): Likewise.
1916 (RETURN_EXPR): Likewise.
1917 (EXPR_STMT_EXPR): Likewise.
1918 (FOR_INIT_STMT): Likewise.
1919 (FOR_COND): Likewise.
1920 (FOR_EXPR): Likewise.
1921 (FOR_BODY): Likewise.
1922 (SWITCH_COND): Likewise.
1923 (SWITCH_BODY): Likewise.
1924 (CASE_LOW): Likewise.
1925 (CASE_HIGH): Likewise.
1926 (GOTO_DESTINATION): Likewise.
1927 (COMPOUND_BODY): Likewise.
1928 (ASM_CV_QUAL): Likewise.
1929 (ASM_STRING): Likewise.
1930 (ASM_OUTPUTS): Likewise.
1931 (ASM_INPUTS): Likewise.
1932 (ASM_CLOBBERS): Likewise.
1933 (DECL_STMT_DECL): Likewise.
1934 (STMT_EXPR_STMT): Likewise.
1935 (LABEL_STMT_LABEL): Likewise.
1936 (SCOPE_BEGIN_P): Likewise.
1937 (SCOPE_END_P): Likewise.
1938 (SCOPE_STMT_BLOCK): Likewise.
1939 (SCOPE_NULLIFIED_P): Likewise.
1940 (SCOPE_NO_CLEANUPS_P): Likewise.
1941 (SCOPE_PARTIAL_P): Likewise.
1942 (ASM_VOLATILE_P): Likewise.
1943 (STMT_LINENO): Likewise.
1944 (STMT_LINENO_FOR_FN_P): Likewise.
1946 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
1947 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
1948 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
1949 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
1950 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1952 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
1954 2000-06-14 David O'Brien <obrien@FreeBSD.org>
1956 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
1957 writable in parts of the GCC code.
1959 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
1960 specification match cast.
1962 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
1964 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
1965 * configure, config.in: Rebuilt.
1966 * sys-protos.h: Similarly.
1968 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
1970 * ifcvt.c (EDGE_COMPLEX): Move definition ...
1971 * basic-block.h (EDGE_COMPLEX): ... here.
1973 * loop.c (check_dbra_loop): Specify the register when
1974 generating REG_NONNEG notes and don't generate duplicates.
1976 2000-06-13 Jakub Jelinek <jakub@redhat.com>
1978 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
1979 (struct tree_type, struct tree_decl): Add user_align member.
1980 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
1981 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
1982 and DECL_USER_ALIGN 0, cap alignment to this value.
1983 (place_field): Likewise.
1984 (finalize_type_size): Set TYPE_USER_ALIGN.
1985 (layout_type): Likewise.
1986 (initialize_sizetypes): Likewise.
1987 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
1988 DECL_USER_ALIGN to 1.
1989 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
1990 (xfer_tag): Set TYPE_USER_ALIGN.
1991 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1992 (finish_enum): Likewise.
1993 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
1994 (expand_anon_union_decl): Likewise.
1995 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1996 (build_index_type): Set TYPE_USER_ALIGN.
1997 (build_range_type): Likewise.
1998 (build_common_tree_nodes_2): Likewise.
1999 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2001 2000-06-13 Andreas Jaeger <aj@suse.de>
2003 * configure.in: Use --enable-checking=misc,tree,gc by default if
2004 no --enable-checking option is given and for
2005 --enable-checking=yes.
2006 * configure: Rebuilt.
2008 2000-06-13 Richard Henderson <rth@cygnus.com>
2010 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2011 (__throw): Don't pass the address of a label.
2013 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2014 current_function_is_leaf.
2015 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2016 instead of reg_names[RETURN_ADDRESS_REGNUM].
2017 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2018 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2019 from RETURN_ADDRESS_REGNUM. Update all uses.
2020 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2021 zero instead of null on failure.
2022 (ELIMINABLE_REGS): Add ra->b0 elimination.
2023 (CAN_ELIMINATE): Update accordingly.
2024 (INITIAL_ELIMINATION_OFFSET): Likewise.
2025 (REGISTER_NAMES): Use an illegal assembler name for
2026 RETURN_ADDRESS_POINTER_REGNUM.
2028 2000-06-13 Richard Henderson <rth@cygnus.com>
2030 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2031 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2032 (REG_CLASS_NAMES): Likewise.
2033 (REG_CLASS_CONTENTS): Likewise.
2034 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2035 (HARD_REGNO_MODE_OK): Remove references to them.
2036 (REGNO_REG_CLASS): Likewise.
2037 (REG_CLASS_FROM_LETTER): Likewise.
2038 (CLASS_MAX_NREGS): Likewise.
2039 (REGISTER_MOVE_COST): Likewise.
2040 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2041 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2042 (movqi_internal): Special case moves from zero.
2043 (movhi_internal, movsi_internal): Likewise.
2044 (movdi_internal): Likewise. Fill out "f" constraints.
2045 (movsf_internal): Fill out "r" constraints.
2046 (movdf_internal): Likewise.
2048 2000-06-13 Richard Henderson <rth@cygnus.com>
2050 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2051 alive before reload.
2053 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2054 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2055 (remove_dependence): Always define.
2056 (set_sched_group_p): New.
2057 (sched_analyze_2): Use it.
2058 (sched_analyze_insn): Don't special-case naked uses. Look for
2059 and extend in_post_call_group_p.
2060 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2061 (init_deps): Clear in_post_call_group_p.
2063 2000-06-13 Richard Henderson <rth@cygnus.com>
2065 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2066 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2067 and hard-coded tests.
2068 (simplify_set): Likewise.
2069 (gen_lowpart_for_combine): Likewise.
2070 * emit-rtl.c (gen_lowpart_common): Likewise.
2071 * global.c (find_reg): Likewise.
2072 * local-alloc.c (find_free_reg): Likewise.
2073 * recog.c (register_operand): Likewise.
2074 * regclass.c (init_reg_sets_1): Likewise.
2075 (record_operand_costs, regclass): Likewise.
2076 * reload.c (push_reload): Likewise.
2077 * reload1.c (choose_reload_regs): Likewise.
2078 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2079 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2080 Update all references.
2081 * regs.h (struct reg_info_def): Likewise.
2082 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2083 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2084 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2086 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2087 (CLASS_CANNOT_CHANGE_MODE_P): New.
2088 * config/mips/mips.h: Likewise.
2089 * config/pa/pa32-regs.h: Likewise.
2090 * config/pa/pa64-regs.h: Likewise.
2091 * config/rs6000/rs6000.h: Likewise.
2092 * config/sh/sh.h: Likewise.
2093 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2094 (CLASS_CANNOT_CHANGE_MODE_P): New.
2095 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2096 * config/d30v/d30v.h: Likewise.
2098 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2100 * configure.in: Add AC_TYPE_GETGROUPS test.
2101 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2102 * configure: Rebuilt.
2103 * config.in: Rebuilt.
2105 2000-06-13 Richard Henderson <rth@cygnus.com>
2107 * explow.c (set_mem_attributes): Do nothing for NULL type.
2109 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2111 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2114 2000-06-13 James E. Wilson <wilson@cygnus.com>
2116 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2118 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2120 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2122 2000-06-13 Philipp Thomas <pthomas@suse.de>
2124 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2125 * configure: Rebuilt.
2127 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2129 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2130 We now default to ELF for the i386, and a.out is the special case.
2131 * configure: Rebuilt.
2133 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2135 * final.c (final_scan_insn): Delete notes between cc0 setter and
2136 user when restarting from setter.
2138 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2140 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2141 cast to squelch signed/unsigned warnings.
2143 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2145 * cpplib.c (handle_directive): Print non-NUL-terminated string
2148 2000-06-12 Michael Meissner <meissner@redhat.com>
2150 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2151 path if the machine needs extra support to do conditional
2154 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2156 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2157 to print the alias set.
2158 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2160 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2162 * config/float-vax.h: Add GFLOAT defines.
2164 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2166 * configure.in: Update tm dependencies for MPE.
2167 * configure: Rebuilt.
2169 2000-06-12 H.J. Lu <hjl@gnu.org>
2171 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2173 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2175 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2176 (CPP_SPEC): Change mthreads to pthread.
2177 (LIB_SPEC): Likewise.
2178 (STARTFILE_SPEC): Likewise.
2179 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2180 (CPP_SPEC): Change mthreads to pthread.
2181 (LIB_SPEC): Likewise.
2182 (STARTFILE_SPEC): Likewise.
2183 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2184 * rs6000.c (reg_or_arith_cint_operand): New.
2185 (num_insns_constant_wide): Decorate unsigned constant.
2186 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2187 * rs6000.md (addsi3): Use new predicate.
2188 (subsi3, adddi3, subdi3): Likewise.
2190 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2192 * c-common.c (lang_get_alias_set): Fix typo.
2194 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2196 * flow.c (mark_used_regs): Revert last change.
2197 (life_analysis): Remove PROP_AUTOINC if running after reload.
2198 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2200 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2202 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2205 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2207 * bb-reorder.c (build_scope_forest): Initialize variable
2210 * calls.c (expand_call): Likewise for variables
2211 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2213 * i386.c (function_arg_advance, function_arg): Cast to avoid
2214 signed/unsigned warnings.
2216 * i386.h (MEMORY_MOVE_COST): Likewise.
2218 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2219 `else_start' and `else_end'.
2221 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2223 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2225 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2227 * Makefile.in (libintl.a): Depend on intl.all.
2229 2000-06-09 H.J. Lu (hjl@gnu.org)
2231 * Makefile.in (c-parse.o): Also depend on output.h.
2233 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2235 * mcore-protos.h: discards const warning removal.
2236 * mcore.c: discards const warning removal.
2238 2000-06-09 Kazu Hirata <kazu@hxi.com>
2240 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2241 the beginning of the file.
2243 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2245 * real.h: Add prototype for ldexp.
2247 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2249 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2250 it ggc_alloc, drop second argument, never clear returned memory.
2251 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2252 (ggc_alloc_cleared): New.
2253 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2254 ggc_alloc_obj. Remove ggc_alloc macro.
2255 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2257 * rtl.c (rtvec_alloc): Clear the vector always.
2258 (rtx_alloc): Clear the first word always. Remove dirty
2259 obstack tricks (this routine is no longer a bottleneck).
2260 * tree.c (make_node): Clear the new node always.
2261 (make_tree_vec): Likewise.
2262 (tree_cons): Clear the common structure always.
2263 (build1): Likewise; also, clear TREE_COMPLEXITY.
2264 * gengenrtl.c: Use puts wherever possible. Remove extra
2266 (gendef): Clear the first word of an RTX in the generator
2267 function, irrespective of ggc_p. Initialize '0' slots to
2269 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2270 thin wrapper macro around obstack_alloc.
2272 * stmt.c (expand_fixup): Use ggc_alloc.
2273 * c-typeck.c (add_pending_init): Use ggc_alloc.
2274 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2275 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2276 const0_rtx when it is created.
2277 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2278 we are not in a function.
2280 * tree.c (tree_class_check_failed): Make second arg an int.
2281 * tree.h: Update prototype.
2283 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2285 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2286 of an error_mark_node.
2288 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2290 * config/avr/avr.c (asm_output_section_name): bugfix.
2292 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2294 * timevar.def: Add TV_EXPAND.
2295 * timevar.c (timevar_print): Update timing information.
2296 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2298 * stmt.c (expand_return): Check for error_mark_node.
2300 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2302 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2304 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2305 variable against filename expansion when it contains "char *".
2307 * system.h (SSIZE_MAX): Delete backup definition.
2309 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2310 instead of SSIZE_MAX.
2312 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2314 * configure.in: Check whether gas supports -relax.
2315 * configure, config.in: Rebuilt.
2316 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2317 (EXTRA_SPECS): Add asm_relax.
2318 (ASM_SPEC): Add %(asm_relax).
2319 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2320 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2321 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2322 (ASM_SPEC): Add %(asm_relax).
2323 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2324 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2325 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2326 instead of mov, so that gas can further optimize it.
2328 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2330 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2332 (value_format, case dw_val_class_const): Use sdata format.
2333 (output_die): Call output_sleb128.
2335 2000-06-08 James E. Wilson <wilson@cygnus.com>
2337 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2338 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2339 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2340 (output_die, case dw_val_class_unsigned_const): Correct call to
2341 ASM_OUTPUT_DWARF_DATA8.
2342 (output_die, case dw_val_class_long_long): Use
2343 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2344 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2347 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2348 (output_function_prologue): Fix mispelling.
2349 (output_function_prologue, output_function_epilogue): Reorder to
2350 match ia64.c definition order.
2351 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2352 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2353 Use r3 instead of r2 for large stack restores.
2354 (ia64_output_end_prologue): New function.
2355 (process_set): Emit ".restore sp" for epilogue stack restores.
2356 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2358 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2360 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2363 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2365 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2367 2000-06-08 Denis Perchine <dyp@perchine.com>
2369 * frame.c (start_fde_sort): Don't malloc (0).
2371 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2373 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2375 * print-tree.c (print_node): The transparent_union_flag means
2376 different things for unions and arrays. Do not inspect it
2377 with TYPE_TRANSPARENT_UNION.
2379 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2381 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2384 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2386 * config/avr/avr.c (asm_output_section_name): output section
2388 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2390 2000-06-06 James E. Wilson <wilson@cygnus.com>
2392 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2393 fields into header field.
2394 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2395 macros to access length, flags, and version info from header field.
2396 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2397 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2398 (__do_global_ctors_aux): Fix caller.
2399 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2400 prologue_flag to header. Pass to read_P_record.
2401 (read_P_record): New argument header. Implement P4 format.
2402 Multiply P7_T_SIZE by 16.
2403 (execute_one_ia64_descriptor): New static local region_header. Pass to
2404 get_unwind_record. Copy r to region_header if r is a header record.
2405 (print_all_records): Likewise.
2406 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2407 (__get_personality, __get_except_table): Likewise.
2408 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2410 2000-06-06 Philipp Thomas <pthomas@suse.de>
2412 * configure.in (AC_C_INLINE): Added.
2413 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2414 * configure: Regenerate.
2416 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2418 * c-common.h (c_language_kind): New type.
2419 (c_language): New variab.e
2420 * c-common.c (lang_get_alias_set): Don't put structures in
2421 non-zero alias sets in C++.
2422 * c-decl.c (c_language): Define it.
2423 * c-lex.c (doing_objc_thang): Remove.
2424 * c-tree.h (doing_objc_thang): Make it a macro.
2425 * objc/objc-act.c (lang_decode_option): Set c_language, not
2428 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2430 * diagnostic.c (output_maximum_width): Remove.
2431 (doing_line_wrapping): Tweak.
2432 (diagnostic_buffer): New object.
2433 (global_output_buffer): New object.
2434 (output_destroy_prefix): New function.
2435 (default_initialize_buffer): Likewise.
2436 (reshape_diagnostic_buffer): Likewise.
2437 (initialize_diagnostics): Likewise.
2438 (output_clear): Tweak.
2439 (line_wrapper_printf): Adjust call to init_output_buffer.
2440 (vline_wrapper_message_with_location): Likewise. Use
2441 output_destroy_prefix.
2442 (v_message_with_decl): Likewise.
2444 * diagnostic.h (struct output_buffer): Constify prefix.
2445 (init_output_buffer, output_get_prefix): Constify.
2446 (diagnostic_message_length_per_line): Likewise.
2447 (reshape_diagnostic_buffer): Declare.
2448 (default_initialize_buffer): Declare.
2449 (initialize_diagnostics): Declare.
2450 (diagnostic_buffer): Declare new obbject.
2452 * toplev.c: #include diagnostic.h
2453 (display_help): Document diagnostic formatting options.
2454 (decode_f_option): Handle diagnostic formatting options.
2455 (main): Setup initialization for diagnostic messages outputter.
2457 * toplev.h (set_message_length): Remove.
2459 * Makefile.in (toplev.o): Depends upon diagnostic.h
2461 * invoke.texi : Document diagnostics formatting options.
2463 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2465 * configure.in (Make the links): Typo fix : the file that must be
2466 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2467 * configure: File rebuilt.
2469 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2471 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2472 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2474 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2475 emergency eh_context buffer, if malloc fails.
2476 (__eh_free): Moved from cp/exception.cc. Release to emergency
2477 eh_context buffer, if appropriate.
2479 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2481 * expr.c (store_expr): Fix typo.
2483 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2485 * m68k.c (legitimize_pic_address): Move prototype ...
2487 * m68k-protos.h (legitimize_pic_address): ... here.
2489 * m68k.md (legitimize_pic_address): Delete prototypes.
2490 (untyped_call): Invoke GEN_CALL(), not gen_call().
2492 * nextstep.c: Include system.h and toplev.h.
2493 (get_directive_line): Don't prototype.
2494 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2496 * nextstep.h (handle_pragma): Prototype.
2497 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2498 objc_section_init ...
2499 (EXTRA_SECTION_FUNCTIONS): ... here.
2501 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2503 * sdbout.c (struct sdb_file): NAME now const.
2504 (sdbout_init): input_file_name now const.
2505 (sdbout_start_new_source_file): FILENAME now const.
2506 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2508 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2510 * c-typeck.c (build_conditional_expr): Handle complex data types.
2512 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2514 * explow.c (maybe_set_unchanging): New function, broken out from...
2515 (set_mem_attributes): Here.
2516 * expr.h: Declare it.
2517 * stmt.c (expand_decl): Call it.
2519 2000-06-05 Richard Henderson <rth@cygnus.com>
2521 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2522 while looking for a register to inherit from.
2524 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2526 * Makefile.in (libgcc.ready): Lose.
2527 (libgcc.mk): Just use mv, not move-if-change.
2528 (LIBGCC_DEPS): New macro.
2530 (stmp-multilib): Likewise.
2531 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2532 it rather than the directories themselves.
2533 (LIB2ADD): Depend on the list file rather than 'force'.
2535 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2536 cv-qualified versions of types.
2538 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2540 * config/sparc/sparc.c (short_branch): Correct error in range
2543 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2545 * fixinc/inclhack.def: New include hacks for ultrix.
2546 * (nested_ultrix): Replaced by ultrix_nested_svc.
2547 * (ultrix_atof_param): test_text string added.
2548 * (ultrix_ifdef): Modified select string.
2550 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2552 * objc/objc-act.c (generate_method_descriptors): Register
2553 objc_method_prototype_template as a GC root.
2554 (comp_method_with_proto): Register function_type as a GC root.
2555 (comp_proto_with_proto): Replace function_type1 and
2556 function_type2 with a two-element array; register it as a GC root.
2558 (generate_protocols, build_protocol_initializer,
2559 generate_protocol_list, build_category_initializer,
2560 build_shared_structure_initializer): Do not cache cast_type
2563 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2565 * function.c (assign_parms): Add missing argument to set_mem_attributes
2568 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2570 * tree.h (VOID_TYPE_P): New macro.
2571 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2572 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2573 (get_parm_info): Likewise.
2574 (store_parm_decls): Likewise.
2575 (combine_parm_decls): Likewise.
2576 (finish_function): Likewise.
2577 * c-typeck.c (build_function_call): Likewise.
2578 (build_binary_op): Likewise.
2579 (build_conditional_expr): Likewise.
2580 (internal_build_compound_expr): Likewise.
2581 (convert_for_assignment): Likewise.
2582 * stmt.c (expend_expr_stmt): Likewise.
2583 (warn_if_unused_value): Likewise.
2584 (expand_return): Likewise.
2585 * c-parse.in (primary): Likewise.
2586 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2587 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2589 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2591 * alias.c (get_alias_set): If compnent is addressable, use alias
2593 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2594 (grokdeclarator): Likewise.
2595 * c-typeck.c (common_type): Likewise.
2597 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2599 * Makefile.in (OBJS): Remove dyn_string.o
2600 (dyn-string.o): Delete rule.
2601 * dyn-string.c: Delete file
2602 * dyn-string.h: Likewise.
2604 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2606 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2609 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2611 * alias.c (record_component_aliases): Don't inspect
2612 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2614 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2616 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2617 it with the pattern to do machine dependent work.
2618 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2619 use it to modify the true/false tests used in conditional
2620 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2621 defined, invoke them if the conversion to conditional execution
2622 was successful or not.
2624 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2625 (IFCVT_MODIFY_INSN): Ditto.
2626 (IFCVT_MODIFY_FINAL): Ditto.
2627 (IFCVT_MODIFY_CANCEL): Ditto.
2629 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2631 * toplev.c (main): Fix misspellings of possibility and language.
2633 2000-06-03 Richard Henderson <rth@cygnus.com>
2635 * alias.c (record_alias_subset): Initialize has_zero_child in the
2638 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2640 * arm.md (untyped_call): Use GEN_CALL macro.
2642 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2644 * Makefile.in: Use $(MAKE) not "make"
2646 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2648 * alias.c (struct alias_set_entry): New field has_zero_child.
2649 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2650 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2652 Call record_component_aliases for aggregate types.
2653 (record_alias_subset): Set has_zero_child.
2654 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2655 TYPE_NONALIASES_COMPONENT.
2656 (record_component_aliases, case RECORD_TYPE): Test
2657 DECL_NONADDRESSABLE_P.
2658 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2659 of TREE_ADDRESSABLE.
2660 * calls.c (initialize_argument_information): Only test
2661 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2662 * function.c (assign_parms): Likewise.
2663 * integrate.c (function_cannot_inline_p): Likewise.
2664 * stor-layout.c (finish_record_layout): Don't call
2665 record_component_aliases.
2666 * tree.h (struct tree_int_cst): Use struct tree_common.
2667 (struct tree_real_cst, struct tree_string): Likewise.
2668 (struct tree_complex, struct tree_identifier): Likewise.
2669 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2670 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2671 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2672 (TYPE_NONALIASES_COMPONENT): New macro.
2673 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2674 (DECL_NONADDRESSABLE_P): New macro.
2675 (struct tree_decl): Reorder bits for clarity of how many left;
2678 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2680 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2681 * mklibgcc.in (force): New target.
2682 Make LIB2ADD stuff depend on it.
2684 2000-06-02 Richard Henderson <rth@cygnus.com>
2686 * alias.c (lang_get_alias_set): Remove.
2687 (get_alias_set): Call it directly, not indirectly.
2688 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2689 * c-common.h (c_get_alias_set): Don't declare.
2690 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
2691 * expr.h (lang_get_alias_set): Declare as function, not pointer.
2693 2000-06-02 Bruce Korb <bkorb@gnu.org>
2695 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
2696 (server_setup): define the server's master pid
2697 (close_server): actually do the deed IFF we are the server's master
2699 2000-06-02 Jakub Jelinek <jakub@redhat.com>
2701 * c-common.c (c_get_alias_set): Check whether signed_type did not
2702 return its argument before calling get_alias_set on the result.
2704 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
2706 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2708 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2710 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
2711 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
2712 for TARGET_NOMACSAVE.
2713 (NOMACSAVE_BIT): Define.
2714 (TARGET_NOMACSAVE): Define.
2715 (TARGET_SWITCHES): Add "nomacsave".
2717 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
2719 * sh.md (untyped_call): Remove excess parameters
2721 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
2723 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
2724 match that used before the conversion to c_fix style.
2725 * fixinc/fixincl.x: regenerate
2727 2000-06-01 Stan Cox <scox@cygnus.com>
2729 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
2730 macro argument typo.
2732 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
2734 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
2736 * cpplib.c (parse_include): Remove support for VAX-C
2737 "#include starlet" misfeature.
2739 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
2741 * cppfiles.c: conditionally define O_BINARY.
2742 (open_include_file): pass O_BINARY to open().
2744 2000-06-01 Richard Henderson <rth@cygnus.com>
2746 * i960.c (i960_br_predict_opcode): Remove.
2747 (i960_print_operand) [+]: Emit branch prediction hints.
2748 (i960_function_arg): Return early for VOIDmode.
2749 (i960_round_align): Return early for incomplete types.
2750 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2751 * i960.md (all conditional branches): Add "%+".
2753 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2755 * alias.c (get_alias_set): Don't call language-specific routine more
2756 than is needed and clean up code a bit.
2757 * c-common.c (c_get_alias_set): All references whose type
2758 is char get alias set 0, but character types need not.
2759 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
2760 (make_decl_rtl): Don't call it for FUNCTION_DECL.
2762 2000-06-01 Bruce Korb <bkorb@gnu.org>
2764 * fixinc/tests/base/...: new base result files
2766 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2768 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
2769 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
2770 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
2773 2000-06-01 Richard Henderson <rth@cygnus.com>
2775 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
2777 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
2779 2000-05-31 Richard Henderson <rth@cygnus.com>
2781 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
2782 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
2783 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
2785 2000-05-31 Richard Henderson <rth@cygnus.com>
2787 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
2788 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
2789 (ia64_print_operand) [+]: ... here. Use current_output_insn.
2790 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2791 * config/ia64/ia64.md (all branch/call patterns): Use %+.
2793 2000-05-31 Richard Henderson <rth@cygnus.com>
2795 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
2797 2000-05-31 Richard Henderson <rth@cygnus.com>
2799 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
2801 (find_if_block): Allow THEN with no outgoing edges.
2802 * flow.c (merge_blocks_nomove): Remove a barrier not following
2805 2000-05-31 Richard Henderson <rth@cygnus.com>
2807 * flow.c (propagate_block): Move initialization of mem_set_list ...
2808 (init_propagate_block_info): ... here. Also track blocks with
2809 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
2811 2000-05-31 Richard Henderson <rth@cygnus.com>
2813 * jump.c (jump_optimize_1): Revert 05-18 change.
2815 2000-05-31 Mark Mitchell <mark@codesourcery.com>
2817 * invoke.texi: Remove documentation for -fguiding-decls.
2819 2000-05-31 Richard Henderson <rth@cygnus.com>
2821 * configure.in: Fix typo last change.
2823 2000-05-31 Philipp Thomas <pthomas@suse.de>
2825 * configure.in (enable-nls): Enable if build == host, i.e. when
2826 not building a canadian cross compiler.
2827 (enable-maintainer-mode): Added for use with i18n.
2828 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
2829 cross section of ALL_LINGUAS and LINGUAS.
2830 * configure: Rebuild.
2832 2000-05-31 Bruce Korb <bkorb@gnu.org>
2834 * fixinc/check.tpl: rework to use test result tree
2835 * fixinc/Makefile.in: change invocation of check script
2836 * fixinc/check.diff: No longer needed
2837 * fixinc/fixincl.x: regenerate
2838 * fixinc/inclhack.def: add new tests
2839 * fixinc/tests/base/arch/i960/archI960.h: New test result
2840 * fixinc/tests/base/curses.h: modified test result
2841 * fixinc/tests/base/stdio.h: ditto
2842 * fixinc/tests/base/time.h: ditto
2843 * fixinc/tests/base/sys/asm.h: ditto
2844 * fixinc/tests/base/sys/stat.h: ditto
2845 * fixinc/tests/base/sys/wait.h: ditto
2847 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
2849 * except.c (clear_function_eh_region): Do not free NULL.
2851 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2853 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
2854 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
2855 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
2856 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
2857 (find_base_decl): New function, from c_find_base_decl in c-common.c.
2858 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
2859 (get_alias_set): Likewise.
2860 Major rework to do more things and allow language-specific code
2861 to just handle special-cases.
2862 (record_alias_subset): Args are HOST_WIDE_INT.
2863 (record_component_alias): Local vars are HOST_WIDE_INT.
2864 Don't handle COMPLEX_EXPR.
2865 (get_varargs_alias_set): Moved from builtins.c.
2866 (get_frame_alias_set): New function.
2867 * builtins.c (expand_builtin_return_address): Use frame alias set.
2868 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
2870 (get_memory_rtx): Rework to use set_mem_attributes.
2871 (get_varargs_alias_set): Deleted from here.
2872 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
2873 (c_find_base_decl): Deleted from here.
2874 (c_get_alias_set): Remove many cases and rework to just handle
2876 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
2877 * c-decl.c (rtl.h, expr.h): Now included.
2878 (init_decl_processing): Call record_component_aliases on array types.
2879 (grokdeclarator): Likewise.
2880 Set TREE_ADDRESSABLE for all fields that are not bitfields.
2881 * c-typeck.c (common_type): Call record_component_aliases for array.
2882 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
2883 Set all save areas to the frame alias set.
2884 * calls.c (initialie_argument_information): Call set_mem_attributes.
2885 (compute_argument_addresses, expand_call): Likewise.
2886 * explow.c (set_mem_attributes): New function.
2887 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
2888 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
2889 LEN and OFFSET now HOST_WIDE_INT.
2890 (clear_by_pieces): Similar changes.
2891 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
2892 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
2893 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
2894 (clear_by_pieces_1): Likewise.
2895 (emit_push_insn): Call set_mem_attributes.
2896 (expand_expr, case INDIRECT_REF): Likewise.
2897 (expand_expr, case VAR_DECL): Call change_address.
2898 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
2900 (get_varargs_alias_set, get_frame_alias_set): New decls.
2901 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
2902 (new_alias_set, set_mem_attributes): Likewse.
2903 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
2904 (assign_stack_temp_for_type): Likewise.
2905 Can split slot even if alias set since can copy.
2906 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
2907 (assign_temp): Use host_integerp and tree_low_cst.
2908 (put_var_into_stack): Properly handle SAVE_EXPR.
2909 (put_addressof_into_stack): Likewise.
2910 (assign_parms): Call set_mem_attributes.
2912 (fix_lexical_address): Put reference to chain into frame alias set.
2913 (expand_function_start): Call set_mem_attributes.
2914 * integrate.c (expand_inline_function): Likewise.
2915 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
2916 * regmove.c (try_apply_stack_adjustment): Likewise.
2917 * reload.c (push_reload, make_memloc): Likewise.
2918 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
2919 * rtl.def (MEM): Update comment.
2920 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
2921 (move_by_pieces): Change length to HOST_WIDE_INT.
2922 (record_base_value, record_alias_subset): Delete from here.
2923 * stmt.c (expand_decl): Call set_mem_attributes.
2924 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
2925 * toplev.c (compile_file): Call init_alias_once earlier.
2926 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
2927 from here: now in alias.c.
2928 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
2929 (struct tree_decl): Likewise.
2930 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
2931 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
2932 (output_constant_def, force_const_mem): Likewise.
2934 * flow.c (propagate_block): If block has no successors, stores to
2935 frame are dead if not used.
2937 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
2939 * stmt (expand_end_case): Reorder conversion sequence for jump
2940 table to avoid extra truncations.
2942 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
2944 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
2945 in the block is more than just a simple conditional branch.
2946 (noce_process_if_block): Similarly.
2948 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
2950 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
2953 2000-05-30 Michael Meissner <meissner@redhat.com>
2955 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
2956 instructions. Treat LO_SUM operations as loading the full integer
2959 2000-05-30 Richard Henderson <rth@cygnus.com>
2961 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
2963 2000-05-30 Richard Henderson <rth@cygnus.com>
2965 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
2967 2000-05-30 Bruce Korb <bkorb@gnu.org>
2969 * fixinc/tests/*: Added expected result files for fixinc's make check
2970 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
2972 2000-05-30 Richard Henderson <rth@cygnus.com>
2974 * config/alpha/alpha.md (*setne_internal): Use match_operator
2975 instead of working down from insn.
2977 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2979 * invoke.texi (-Wtraditional): Update WRT function macros.
2981 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
2983 * except.c (free_exception_table): Do not free NULL.
2985 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2987 * cpplib.c (do_if): Don't save and restore only_seen_white here.
2988 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
2991 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
2993 * flow.c (mark_used_reg): If a register is unconditionally live,
2994 remove any conditional death information.
2996 2000-05-29 Richard Henderson <rth@cygnus.com>
2998 * final.c (current_output_insn): New.
2999 (final_scan_insn): Set it.
3000 * output.h: Declare it.
3002 2000-05-29 Richard Henderson <rth@cygnus.com>
3004 * stor-layout.c (finalize_record_size): Fix typo.
3006 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3009 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3011 * cpplib.h (cpp_reader): Remove if_stack. Change
3012 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3013 * cpphash.h (struct ihash): Change control_macro to a
3014 cpp_hashnode * and shorten name to cmacro.
3015 Add NEVER_REINCLUDE constant.
3017 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3018 Examine the cmacro node directly, no need to call cpp_defined.
3019 (_cpp_execute_include, read_include_file): Set cmacro to
3020 NEVER_REINCLUDE, not U"".
3021 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3022 (cpp_get_token): If pfile->skipping is true, discard text and
3023 keep scanning until we hit a directive; don't expand macros.
3025 * cpplib.c (struct if_stack): Remove if_succeeded, add
3026 was_skipping. Change control_macro to a cpp_hashnode * and
3027 shorten name to cmacro. Remove typedef IF_STACK.
3028 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3029 (conditional_skip, skip_if_group,
3030 consider_directive_while_skipping): Delete.
3031 (push_conditional): New.
3032 (_cpp_handle_directive): Don't process directives other than
3033 conditionals if we are skipping.
3035 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3036 Update to new scheme.
3037 (validate_else): Skip rest of line here, unconditionally.
3038 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3039 pfile->skipping off.
3041 (all): Remove `scare quotes' from error messages.
3043 2000-05-29 Richard Henderson <rth@cygnus.com>
3045 * function.c (emit_return_into_block): New line_note arg; emit it.
3046 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3047 for the close brace to accompany HAVE_return. Move all line notes
3048 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3050 2000-05-29 Richard Henderson <rth@cygnus.com>
3052 * longlong.h [__alpha] (count_leading_zeros): New.
3053 (count_trailing_zeros): New.
3054 (COUNT_LEADING_ZEROS_0): New.
3056 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3057 (alpha_split_conditional_move): New.
3058 * config/alpha/alpha-protos.h: Prototype them.
3059 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3060 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3061 * config/alpha/alpha.md: Update ffs cix commentary.
3063 (*nabssf2, *nabsdf2): New.
3064 (*mov[qhsd]icc_internal): Use add_operand.
3065 (if_then_else constant splitters): New.
3066 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3067 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3069 2000-05-29 Richard Henderson <rth@cygnus.com>
3071 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3072 a constant to NEG or NOT when conditions allow.
3074 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3075 unless both args are general_operand. Don't canonicalize plus
3076 to ior unless it helps.
3078 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3079 instead track register_life_up_to_date. Toggle no_new_pseudos
3082 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3084 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3085 so output_operand doesn't see them.
3087 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3089 * lcm.c (make_preds_opaque): Fix comment.
3090 (optimize_mode_switching): Use NORMAL_MODE instead of
3091 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3092 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3093 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3094 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3095 (MODE_USES_IN_EXIT_BLOCK): Delete.
3096 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3097 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3098 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3099 (MODE_NEEDED): Don't look for USE.
3100 (EPILOGUE_USES): Define.
3102 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3104 * mklibgcc.in (all): Variable initialised to `libgcc'.
3106 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3108 * toplev.h (skip_leading_substring): New macro.
3109 * toplev.c (decode_f_option): Use skip_leading_substring instead
3111 (decode_W_option): Likewise.
3113 2000-05-28 Nick Clifton <nickc@cygnus.com>
3115 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3118 2000-05-28 Richard Henderson <rth@cygnus.com>
3120 * regclass.c (record_operand_costs): Protect reg_changes_size
3121 with CLASS_CANNOT_CHANGE_SIZE.
3123 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3125 2000-05-28 Richard Henderson <rth@cygnus.com>
3127 * function.c (diddle_return_value): A pcc-style struct return
3130 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3132 * cppfiles.c: Read files in, using mmap if possible, then
3133 prescan them separately.
3134 (read_file, read_with_read): New functions.
3135 * cpplex.c: Don't define UCHAR_MAX.
3136 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3139 * cppinit.c (handle_option): Automatically define __cplusplus,
3140 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3141 the respective -lang switch.
3143 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3144 prototype): Move to...
3145 * cpplib.h: ... here. Rename struct hashnode to struct
3146 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3147 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3149 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3151 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3153 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3154 (class_can_change_size): New variable.
3155 (reg_changes_size): New variable.
3156 (init_reg_sets_1): Initialise class_can_change_size.
3157 (record_operand_costs): Remove subreg_changes_size.
3158 Don't pass it around. Instead update reg_changes_size.
3159 (regclass): Initialise and free reg_changes_size. If a register
3160 changes size, don't preference it to a class that contains
3161 registers that can't change size.
3162 (record_reg_classes): Don't look at subreg_changes_size.
3164 2000-05-27 Richard Henderson <rth@cygnus.com>
3166 * print-rtl.c (reg_names): Remove const.
3167 * regclass.c (reg_names): Likewise.
3168 * regs.h (reg_names): Likewise.
3169 * hard-reg-set.h (reg_names): Likewise.
3171 2000-05-27 Richard Henderson <rth@cygnus.com>
3173 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3175 2000-05-27 Richard Henderson <rth@cygnus.com>
3177 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3178 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3179 (alpha_expand_prologue): Emit prologue_mcount if needed.
3180 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3181 * config/alpha/alpha.md (prologue_mcount): New.
3182 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3183 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3184 * config/alpha/netbsd.h: Likewise.
3186 2000-05-27 Richard Henderson <rth@cygnus.com>
3188 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3189 change to config/elfos.h.
3191 2000-05-27 Richard Henderson <rth@cygnus.com>
3193 * Makefile.in (resource.o): Depend on except.h.
3194 * except.h (output_exception_table_data): Prototype.
3195 * genconfig.c (gen_peephole2): Prototype.
3196 * genemit.c (main): Include ggc.h.
3197 * genoutput.c: Revert parts of last change: include errors.h
3198 (main): Set progname.
3199 * recog.c: Include hard-reg-set.h before recog.h.
3200 * resource.c: Include except.h.
3202 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3204 (alpha_write_linkage): Protect with BUFSIZ.
3205 (alpha_need_linkage): Update prototype.
3206 * config/alpha/alpha.c (function_arg): Move VMS code here.
3207 (alpha_links_base): Remove.
3209 (mark_alpha_links_node, mark_alpha_links): New.
3210 (alpha_write_one_linkage): New.
3211 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3212 (alpha_write_linkage): Use splay_tree_foreach.
3213 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3214 to get the linkage symbol.
3215 (call_value_vms): Likewise.
3216 * config/alpha/elf.h (output_file_directive): Remove decl.
3217 (ctors_section, dtors_section): Prototype.
3218 (sbss_section, sdata_section): Prototype.
3219 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3220 (readonly_section, link_section, literals_section): Prototype.
3221 (ctors_section, dtors_section): Prototype.
3222 (vms_valid_decl_attribute_p): Remove decl.
3223 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3225 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3227 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3229 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3230 substituting the REG in a (subreg:X (reg:Y ...)).
3232 2000-05-28 Neil Booth <NeilB@earthling.net>
3234 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3235 first token of a line BOL. Update EOF code for this.
3236 Remove illegal directive check - it appears in the (not
3237 yet committed) caller.
3238 * cpplib.h (BOL): New flag.
3240 2000-05-28 Neil Booth <NeilB@earthling.net>
3242 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3243 (_cpp_free_toklist): No comment space to free.
3244 (expand_comment_space): Remove.
3245 (save_comment_space): Place the comment in the current token and
3246 not in a separate comment space.
3247 (_cpp_lex_line): Save comments during plain code and #define
3249 * cpplib.h (struct _cpp_toklist): Remove comment space.
3251 2000-05-28 Neil Booth <NeilB@earthling.net>
3253 * cppexp.c (parse_assertion): Supply extra argument to
3255 * cpplib.c (do_assert, do_unassert): Similarly.
3256 * cpphash.h (_cpp_init_toklist) Update.
3257 (_cpp_expand_token_space): New.
3258 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3259 * cpplex.c (_cpp_init_toklist): New argument.
3260 (parse_string2): New argument multiline_ok.
3261 (spell_token): Take a const cpp_token *.
3262 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3263 (SPELL_ macros): Replace with enum.
3264 (expand_token_space): Replace with _cpp_expand_token_space.
3265 Take COUNT argument.
3266 (IS_DIRECTIVE): Update.
3267 (_cpp_lex_line): Update token structure before parsing number.
3268 Don't assume start at beginning of token list.
3269 (save_comment): Use INIT_TOKEN_NAME.
3271 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3273 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3274 -Wmissing-prototypes.
3275 * configure: Regenerate.
3276 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3278 * builtins.c, calls.c: Change all instances of gen_call_* or
3279 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3280 * calls.c (struct_value_size_rtx): Separate definition from
3281 initialization to avoid unused variable warning.
3283 * genflags.c (gen_macro): New function.
3284 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3285 (gen_nonproto): Delete.
3286 (gen_insn): Put all insns on the same obstack.
3287 (main): Generate prototypes for everything unconditionally.
3289 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3290 out check for wchar_t.
3291 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3292 * system.h: Add infrastructure for defining missing
3293 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3294 definitions of UCHAR_MAX and SSIZE_MAX.
3295 * configure: Regenerate.
3296 * config.in: Regenerate.
3298 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3299 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3301 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3302 libgcc2.a, or libgcc1.null.
3304 2000-05-27 Richard Henderson <rth@cygnus.com>
3306 * Makefile.in (recog.o): Don't depend on resource.h.
3307 * recog.c: Don't include resource.h.
3308 (recog_last_allowed_insn): Remove.
3309 (recog_next_insn): Remove.
3310 (struct peep2_insn_data): New.
3311 (peep2_insn_data, peep2_current): New.
3312 (peep2_next_insn): New.
3313 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3314 (peep2_find_free_register): New.
3315 (peephole2_optimize): Track life information by insn as we go.
3316 * recog.h: Update declarations.
3317 * resource.c (find_free_register, reg_dead_p): Remove.
3318 * resource.h: Remove their declarations.
3319 * toplev.c: Include hard-reg-set.h before recog.h.
3321 * genconfig.c (max_insns_per_peep2): New.
3322 (gen_peephole2): New.
3324 * genemit.c (output_peephole2_scratches): Generate calls to
3325 peep2_find_free_register; adjust surrounding code.
3326 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3327 * genrecog.c (change_state): Don't track last_insn.
3328 (write_action): Write into *_pmatch_len before accepting.
3329 (write_tree): Adjust peephole2_insns and subroutines to match.
3331 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3333 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3334 (hard_int_register_operand): New.
3335 * config/alpha/alpha-protos.h: Declare it.
3336 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3337 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3338 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3340 2000-05-27 Richard Henderson <rth@cygnus.com>
3342 * function.c (thread_prologue_epilogue_insns): Don't move the
3343 line note at the head of the chain. Only force a lineno note
3344 before the end of block 0.
3346 2000-05-27 Richard Henderson <rth@cygnus.com>
3348 * gensupport.c (collect_insn_data): Record the maximum number
3349 of alternatives, not the last seen.
3351 * genoutput.c: Don't include errors.h.
3352 (struct data): Add lineno member.
3354 (scan_operands): Use message_with_line instead of error.
3355 (validate_insn_alternatives): Likewise.
3356 (gen_insn): Accept and store the pattern's line number.
3357 (gen_peephole, gen_expand, gen_split): Likewise.
3358 (main): Don't set progname. Pass line_no to gen_foo.
3360 2000-05-27 Richard Henderson <rth@cygnus.com>
3362 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3363 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3364 * config/d30v/d30v.md (attr predicable): New.
3365 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3366 (andsi3*): Unify into one pattern.
3367 (iorsi3*, xorsi3*): Likewise.
3368 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3370 (old cond_exec patterns): Remove.
3371 (define_cond_exec): New.
3373 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3375 * tree.h (TREE_CODE_LENGTH): New macro.
3376 * c-common.c (c_find_base_decl): Use it.
3377 * expr.c (safe_from_p): Likewise.
3378 * print-tree.c (print_node): Likewise.
3379 * tree.c (make_node, copy_node, get_identifier): Likewie.
3380 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3381 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3382 * fold-const.c (make_range): Likewise.
3383 (fold): Likewise; also use first_rtl_op.
3384 * c-iterate.c (collect_iterators): Use first_rtl_op.
3385 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3386 Use IS_EXPR_CODE_CLASS.
3387 (preexpand_calls): Likewise.
3388 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3389 and TREE_CODE_LENGTH.
3390 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3392 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3394 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3396 (movdi_internal64): Likewise.
3398 * config/rs6000/rs6000.md: Correct order of operands for DImode
3401 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3402 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3403 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3404 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3405 boolean_operator for the boolean patterns without NOTs.
3407 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3408 from reg_or_u_cint_operand. Change comment and behaviour.
3409 (logical_operand): Clean up, add assertion.
3410 (non_logical_cint_operand): Also check for
3411 reg_or_logical_cint_operand.
3412 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3413 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3419 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3421 * tree.h (struct record_layout_info): Rename to (struct
3422 record_layout_info_s).
3423 * stor-layout.c (start_record_layout): Replace
3424 `record_layout_info' with `record_layout_info_s'.
3426 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3428 * flow.c (find_label_refs): New function.
3429 (find_basic_blocks_1): Call it for each alternative of a call
3432 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3434 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3437 2000-05-25 Richard Henderson <rth@cygnus.com>
3439 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3440 so strict about DImode.
3441 (alpha_swapped_comparison_operator): Likewise.
3442 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3443 any integer output mode.
3444 (*setcc_internal): Likewise.
3445 (*setcc_swapped_internal): Likewise.
3446 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3447 (*mov[qhs]icc_internal): New.
3448 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3450 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3452 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3454 2000-05-25 Richard Henderson <rth@cygnus.com>
3456 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3457 Remove add_jump; add next; replace flags with visited.
3459 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3460 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3461 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3462 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3464 (reorder_index, reorder_last_visited): Remove.
3465 (skip_insns_after_block): Rewrite to use a switch.
3466 (get_common_dest): Remove.
3467 (chain_reorder_blocks): Remove.
3468 (record_effective_endpoints): Split out from reorder_basic_blocks.
3469 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3470 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3471 Only construct the reorder chain, do not move insns. Try harder
3473 (label_for_bb, emit_jump_to_block_after): New.
3474 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3475 and adjust the jump insns appropriately. Fixup basic_block_info.
3476 (verify_insn_chain): Always define.
3477 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3479 (make_new_scope): Don't write zeros to calloc'd space.
3480 (build_scope_forest): Rely on xrealloc to DTRT.
3481 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3482 profile_arc_flag. Streamline EH test.
3484 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3485 * basic-block.h: Declare them.
3487 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3489 * emit-rtl.c (reset_used_decls): New function.
3490 (unshare_all_rtl_again): Call it.
3492 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3494 * cpplex.c (maybe_macroexpand): Warn about function-like
3495 macros used in non-function context, if -Wtraditional.
3497 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3499 * recog.c (peephole2_optimize): Use INSN_P.
3501 2000-05-25 Richard Henderson <rth@cygnus.com>
3503 * ifcvt.c (seq_contains_jump): New.
3504 (noce_try_store_flag_constants): Use it to fail conversion.
3505 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3507 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3509 * except.h (can_throw): Declare it.
3510 * except.c (can_throw): Give it external linkage.
3511 * resource.c (find_dead_or_set_registers): Use can_throw.
3513 2000-05-25 Richard Henderson <rth@cygnus.com>
3515 * flow.c (mark_set_1): Don't record conditionally dead memory.
3517 2000-05-25 Jan Hubicka <jh@suse.cz>
3519 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3520 and pc_set at the place of simplejump_p and condjump_p.
3521 * cse.c (record_jump_equiv): Likewise.
3522 * emit-rtl.c (emit): Likewise.
3523 * explow.c (find_next_ref): Likewise.
3524 * flow.c (tidy_fallthru_edge): Likewise.
3525 (init_propagate_block_info): Likewise.
3526 * gcse.c (delete_null_pointer_checks): Likewise.
3527 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3528 dead_or_predicable): Likewise.
3529 * integrate.c (copy_insn_list): Likewise.
3530 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3531 for_each_insn_in_loop, check_dbra_loop, get_condition,
3532 insert_bct, load_mems): Likewise.
3533 * resource.c (find_dead_or_set_registers): Likewise.
3534 * sibcalls.c (simplejump_p): Likewise.
3535 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3537 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3539 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3540 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3542 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3543 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3544 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3545 * rs6000.md: Name various internal patterns.
3547 2000-05-25 Jan Hubicka <jh@suse.cz>
3549 * jump.c (invert_exp_1): Remove first argument, use pc_set
3550 to get the expression.
3551 (redirect_exp): Make static; redirect only the pc_set expression,
3552 remove first argument.
3553 (invert_exp): Remove first argument, make static.
3554 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3555 any_onlyjump at most places where we originaly did condjump_p
3557 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3558 (delete_barrier_succesors): Use pc_set.
3559 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3560 calls of invert_exp and redirect_exp.
3561 * rtl.h (redirect_exp, invert_exp): Remove.
3562 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3564 2000-05-25 Richard Henderson <rth@cygnus.com>
3566 * stmt.c (expand_end_bindings): Fix thinko last change.
3568 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3569 Andrew Haley <aph@cygnus.com>
3571 * except.c (func_eh_entry): Add emitted field.
3572 (new_eh_region_entry): Set emitted field to 0;
3573 (output_exception_table_entry): Only emit previously un-emitted data,
3574 and send it to the eh_data section.
3575 (output_exception_table): Break out common parts. Output
3576 exception table for entire compilation unit to eh_data section.
3577 (output_exception_table_data): Common parts of output_exception_table.
3578 Send output to eh_data section.
3579 (output_function_exception_table): Output exception table data for
3580 a single function to eh_data section.
3581 (free_exception_table): New external to free the table.
3582 * except.h (free_exception_table): Add prototype.
3583 (output_function_exception_table): Add prototype.
3584 * final.c (final_end_function): Output function exception table
3585 for IA64_UNWIND_INFO.
3586 (final_scan_insn): Emit any unwind directives for an insn.
3588 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3590 * frame.c: Remove all DWARF 2 specific code.
3591 * config/ia64/frame-ia64.c: New file.
3592 (gthread_stuff): Make all gthread available with
3594 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3595 (__register_frame_info, __register_frame): Move to common area of file.
3596 (__register_frame_info_table, __register_frame_table): Move to common i
3598 (__deregister_frame_info, __deregister_frame): Move to common area.
3599 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3600 (read_uleb128): New version for ia64.
3601 (get_unwind_record): Read the next IA-64 unwind record.
3602 (read_R_record): Read a region header record.
3603 (process_a_b_reg_code): X record helper.
3604 (read_X_record): Read an X format record.
3605 (read_B_record): Read a B format record.
3606 (P3_record_types): List of record types matching the P3 format.
3607 (P7_record_types): List of record types matching the P7 format.
3608 (P8_record_types): List of record types matching the P8 format.
3609 (read_P_record): Read a P format record.
3610 (init_ia64_reg_loc): Set default fields for a register.
3611 (init_ia64_unwind_frame): Set defaults for all register records.
3612 (execute_one_ia64_descriptor): Execute one descriptor record.
3613 (rse_address_add): Calculate the position of a local reg in memory.
3614 (normalize_reg_loc): Turn a location descriptor into a memory address.
3615 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3616 within a specified PC offset range.
3617 (get_real_reg_value): Given a register location, retrieve its value.
3618 (set_real_reg_value): Change the value of a register location.
3619 (copy_reg_value): Copy reg values, if needed.
3620 (copy_saved_reg_state): Copy all registers that need to be copied.
3621 (process_state_between): Normalize all frame register records that
3622 fall within the specified PC range.
3623 (frame_translate): Take a processed frame description, and turn
3624 everything into addresses.
3625 (build_ia64_frame_state ): Find and create frame state record for a PC.
3626 (get_personality): Get the personality routine for a given frame.
3627 (get_except_table): Get the exception table for a given frame.
3628 (record_name): Unwind record names for debugging.
3629 (print_record): Print and unwind record.
3630 (print_all_records): Print an entire unwind image.
3631 (__ia64_backtrace): Print a backtrace.
3632 (ia64_backtrace_helper): New function.
3633 (__register_frame_info_aux): New function.
3634 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3636 * frame.h (enum unw_record_type): New unwind record types.
3637 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3638 (struct unw_r_record, unwind_record): New unwind record structs.
3639 (struct unwind_info_ptr): Unwind information layout.
3640 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3642 (struct ia64_reg_loc): Register location description.
3643 (struct ia64_frame_state): Location of all registers in a frame.
3644 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3645 * libgcc2.c (__ia64_personality_v1): Personality routine.
3646 (__calc_caller_bsp): Calculate the bsp register for the caller's
3648 (ia64_throw_helper): Figure out who to return to and set up the
3650 (__throw): Throw routine.
3652 * output.h (assemble_eh_align, assemble_eh_label): New functions
3653 to generate EH info where we want it.
3654 (assemble_eh_integer): New function.
3655 * toplev.c (compile_file): Output module level exception table for
3657 (main): Set exceptions_via_longjump and flag_new_exceptions based
3658 on IA64_UNWIND_INFO too.
3660 * varasm.c (assemble_eh_label): Generate a label via
3661 ASM_OUTPUT_EH_LABEL if it has been specified.
3662 (assemble_eh_align): Generate an alignment directive via
3663 ASM_OUTPUT_EH_ALIGN if it has been specified.
3664 (assemble_eh_label): Generate an integer value via
3665 ASM_OUTPUT_EH_type if they have been specified.
3666 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3667 (ia64_init_builtins): Add __builtin_ia64_bsp
3668 and __builtin_ia64_flushrs.
3669 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3670 IA64_BUILTIN_FLUSHRS.
3671 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3672 IA64_BUILTIN_FLUSHRS.
3674 * config/ia64/ia64.md (flushrs): New insn to flush the register
3675 stack. Add to unspec list.
3677 * config/ia64/crtbegin.asm (frame_object): Change size.
3678 (__do_frame_setup_aux): New function.
3679 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3680 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3681 * Makefile.in (LIB2ADDEH): Add.
3682 (LIB2ADD): Use LIB2ADDEH.
3684 2000-05-24 Richard Henderson <rth@cygnus.com>
3686 * recog.c (offsettable_address_p): If mode size is zero, assume
3689 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
3691 * configure.in: Check for -Wno-long-long option support and improve
3692 handling of warning CFLAGS for stages 1 and 2.
3693 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
3694 * configure: Regenerate.
3696 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
3698 * gcc.texi: Remove contributor list. Instead include contrib.texi.
3699 * contrib.texi: New file.
3701 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3703 * loop.c (basic_induction_var): Avoid double recording of an increment.
3705 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3707 * Back out this patch:
3708 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
3709 * loop.h (struct induction): Add multi_insn_incr.
3710 * loop.c (basic_induction_var): New multi_insn_incr argument.
3711 Set it if we search back through previous insns for the biv.
3712 (record_biv): New multi_insn_incr argument; fill in struct induction.
3713 (strength_reduce): Discard an iv with multiple bivs, any of
3714 which require multiple insns to increment.
3716 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
3718 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3720 * rtl.h (loc_mentioned_in_p): Declare.
3721 * reload.c (loc_mentioned_in_p): Moved from here...
3722 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
3723 Fix loop increment for 'E' handling.
3724 * loop.c (strength_reduce): When doing biv->giv conversion,
3725 take multi-insn biv increments into account.
3727 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
3729 * stmt.c (expand_end_bindings): Look through NOTEs to find a
3732 2000-05-24 Mark Mitchell <mark@codesourcery.com>
3734 * calls.c (expand_call): Handle cleanups in tail-recursion
3735 arguments analagously to cleanups in sibling calls.
3737 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3739 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
3740 All callers changed.
3742 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3744 * expr.c (expand_assignment, store_expr, expand_expr,
3745 expand_expr_unaligned): Set in_check_memory_usage while emitting
3746 chkr_check_addr libcall.
3748 2000-05-24 Nick Clifton <nickc@cygnus.com>
3750 * fold-const.c (extract_muldiv): When constructing a
3751 multiplier/divisor, do not expect const_binop to correctly
3752 determine if overflow has occured, so check explicitly.
3754 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3756 * c-decl.c (build_enumerator): Don't modify the value's type,
3759 2000-05-24 Andreas Jaeger <aj@suse.de>
3761 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
3763 2000-05-24 Eric Christopher <echristo@cygnus.com>
3765 * configure.in: Redefine inhibit_libc conditions.
3766 * libgcc2.c: Remove inhibit_libc conditional define.
3767 * configure: Regenerate.
3769 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
3771 * configure.in: For --enable-languages=LIST, check for empty LIST.
3772 * configure: Regenerate.
3774 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
3776 * pdp11.h (STACK_BOUNDARY): Define.
3778 2000-05-24 Jakub Jelinek <jakub@redhat.com>
3780 * ifcvt.c (if_convert): Update life info globally.
3782 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3784 * emit-rtl.c (unshare_all_decls): New function.
3785 (unshare_all_rtl): Call it.
3787 2000-05-23 Nick Clifton <nickc@cygnus.com>
3789 * configure.in: Treat 'strongarm' as if it were 'arm' when
3790 determining cpu type.
3792 * configure: Regenerate.
3794 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
3795 where constant strings are involved.
3797 * config/arm/arm.h (arm_condition_codes): Change type to 'const
3800 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
3801 cases where constant strings are involved.
3803 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
3805 * config/sh/sh.c (gen_far_branch, split_branches): Update
3806 to reflect new prototypes for redirect_jump and invert_jump.
3807 (sh_insn_length_adjustment): Get rid of const warnings.
3809 2000-05-23 Kazu Hirata <kazu@hxi.com>
3811 * invoke.texi (Options for Debugging Your Program or GCC): Update
3812 the names of dump files.
3814 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
3816 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
3817 * configure: Regenerated.
3819 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3821 * simplify-rtx.c (SIGN_EXTEND): New macro.
3822 (simplify_unary_operation, simplify_binary_operation,
3823 simplify_relational_operation): Use SIGN_EXTEND. Make low
3824 halves of (low, high) pairs unsigned if they weren't already.
3825 (simplify_ternary_operation): Cast INTVAL to unsigned before
3826 comparing to a MODE_BITSIZE.
3828 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3830 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
3831 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
3833 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
3834 gcc_AC_NEED_DECLARATIONS.
3836 * dwarfout.c: Don't prototype time().
3838 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
3840 * system.h: Likewise.
3842 * toplev.c: Likewise.
3844 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3846 * c-decl.c (pushdecl): Invert sense of test for non-global types.
3848 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3850 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
3852 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
3854 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
3856 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3858 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
3859 (alpha_start_function): Never write ..ng label if VMS or NT.
3860 (alpha_align_insns): Remove GP_IN_USE arg.
3861 Alignment now unsigned.
3862 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
3863 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
3864 and two define_insn's.
3866 2000-05-22 Richard Henderson <rth@cygnus.com>
3868 * combine.c (simplify_comparison): Use trunc_int_for_mode.
3870 2000-05-22 Richard Henderson <rth@cygnus.com>
3872 * stor-layout.c (place_field): Change rli->size to rli->offset.
3874 2000-05-22 Richard Henderson <rth@cygnus.com>
3876 * function.c (thread_prologue_and_epilogue_insns): Make sure
3877 existing line number notes appear after the prologue.
3879 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3881 * config/alpha/alpha.c (alpha_fnname): New static variable.
3882 (print_operand, case '~'): New case.
3883 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
3884 (alpha_start_function): Set alpha_fnname.
3885 Write "ng" label if no ldgp; don't write ldgp insn.
3886 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
3887 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
3889 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
3891 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
3894 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
3896 * varasm.c (eh_frame_section): Revert change to argument list.
3898 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3900 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
3901 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
3903 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
3904 dangling "else" that causes "break" to be conditional.
3905 Also remove unneeded code at start.
3907 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
3909 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
3910 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
3911 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
3913 2000-05-22 Jakub Jelinek <jakub@redhat.com>
3915 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
3918 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3920 * alias.c (record_component_aliases): New function.
3921 * tree.h: Clean up some declarations and comments.
3922 (record_component_aliases): New declaration.
3923 * tree.c (get_alias_set): If type and has alias set, use it.
3925 2000-05-22 Richard Henderson <rth@cygnus.com>
3927 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
3928 IF_THEN_ELSE to a setcc form.
3929 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
3931 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3933 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
3934 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
3936 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3938 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
3941 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3943 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
3944 * config/mn10300/mn10300.c (print_operand): Likewise.
3946 * final.c (split_double): Right shift of negative values is not
3949 * ifcvt.c (if_convert): Scan and kill dead code.
3951 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
3953 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
3955 * diagnostic.c: Eliminate implicit int.
3956 * except.c, gcc.c: Add static prototypes.
3957 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
3958 * gensupport.c (process_rtx): Use XVEC to initialize vector
3961 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
3962 debug_reg_names instead of static reg_names. If not, define
3964 * regclass.c: Don't define global reg_names unless
3965 DEBUG_REGISTER_NAMES is defined.
3967 * reload1.c (order_regs_for_reload): Remove unused variable.
3968 * varasm.c: Include output.h after defaults.h. Define
3969 eh_frame_section as function of no args, not of unspecified args.
3971 * gcc.c: Constify argbuf; arguments to store_arg,
3972 process_command, main; elements of struct command and struct
3973 switchstr; local variables in execute, process_command, main.
3975 2000-05-20 Bruce Korb <bkorb@gnu.org>
3977 * fixinc/inclhack.def: many applications of c_fix=format + tests
3978 * fixinc/check.diff: regenerated
3979 * fixinc/fixincl.x: regenerated
3981 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3983 * alias.c: Clarify some comments.
3984 (record_base_value): REGNO is unsigned.
3985 * rtl.h (record_base_value): Likewise.
3987 * alias.c (aliases_everything_p): Don't special-case QImode here.
3988 * c-common.c (c_get_alias_set): Do it here.
3989 Handle BIT_FIELD_REF by getting alias info for arg.
3992 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3994 * mklibgcc.in: Restore rule to create ${dir}.
3996 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
3998 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
3999 GCC_FOR_TARGET used by MULTILIBS.
4000 * mklibgcc.in: Make sure each .o file depends on the
4001 directory it will be in.
4002 Make the multilib directory depends libgcc.
4004 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4006 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4008 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4010 * fold-const.c (make_range): Handle degenerated intervals.
4011 Fixes c-torture/execute/991221-1.c
4013 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4015 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4016 * reload.c (find_equiv_reg): Likewise.
4017 * alias.c (init_alias_analysis): Likewise.
4018 Only call prologue_epilogue_contains on insns.
4019 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4020 * bb-reorder.c (hard-reg-set.h): Include earlier.
4021 * haifa-sched.c (hard-reg-set.h): Likewise.
4022 * ifcvt.c (hard-reg-set.h): Likewise.
4023 * local-alloc.c (hard-reg-set.h): Likewise.
4024 * loop.c (hard-reg-set.h): Likewise.
4025 * predict.c (hard-reg-set.h): Likewise.
4026 * regrename.c (hard-reg-set.h): Likewise.
4027 * flow.c (hard-reg-set.h): Likewise.
4028 (reg_set_to_hard_reg_set): New function.
4029 * bitmap.c (regs.h, basic-block.h): No longer include.
4030 (bitmap.h): Now include.
4031 * conflict.c (hard-reg-set.h): Include.
4032 * profile.c (hard-reg-set.h): Likewise.
4033 * print-rtl.c (hard-reg-set.h): Likewise.
4034 * sbitmap.c (hard-reg-set.h): Likewise.
4035 * toplev.c (hard-reg-set.h): Likewise.
4036 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4037 * hard-reg-set.h (reg_names): Now constant.
4038 * regs.h (reg_names): Likewise.
4039 * regclass.c (reg_names): Likewise.
4040 * loop.h (basic-block.h): No longer include.
4041 (bitmap.h): Now include.
4042 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4043 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4044 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4046 2000-05-19 Jan Hubicka <jh@suse.cz>
4047 Richard Henderson <rth@cygnus.com>
4049 * basic-block.h (struct edge_def): New field "count".
4050 (struct basic_block_def): Likewise.
4051 * flow.c (entry_exit_blocks): Add count fileds.
4052 (split_edge): Keep count information up-to-date.
4053 (dump_edge_info, dump_flow_info): Dump count fields.
4055 * final.c (count_instrumented_edges): Rename to edge from arc.
4056 (end_final): Update users.
4057 * profile.c: Include expr.h, basic-block.h.
4058 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4059 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4060 (ignore_next_note, return_label_execution_count): Kill.
4061 (bbg_file_name, da_file_name): Kill.
4062 (edge_info, bb_info): New structures.
4063 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4064 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4065 (total_num_edges_instrumented): Likewise.
4066 (init_arc, expand_spanning_tree): Kill.
4067 (fill_spanning_tree, tablejump_entry_p): Kill.
4068 (instrument_edges): Rewrite from instrument_arcs to use
4069 commit_edge_insertions infrastructure.
4070 (compute_branch_probabilities): Remove arguments; rewrite for
4071 CFG infrastructure; use rtl_dump_file directly.
4072 (branch_prob, find_spanning_tree): Likewise.
4073 (union_groups, find_group): New.
4074 (init_branch_prob): Make bbg_file_name and da_file_name local.
4075 (end_branch_prob): Use rtl_dump_file directly.
4076 (init_edge_profiler): Rename to edge from arc.
4077 (output_arc_profiler): Kill.
4078 (gen_edge_profiler): New.
4079 (output_func_start_profiler): Turn off profiling. Make the
4080 constructor static when we can.
4081 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4083 * toplev.c (DFI_flow): Remove.
4084 (DFI_cfg, DFI_life): New.
4085 (dump_file): Update accordingly.
4086 (compile_file): Call end_branch_prob if profile_arc_flag too.
4087 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4088 profiling after the CFG is built. Move flow1 life analysis to
4089 DFI_life. Always estimate remaining probabilities.
4091 2000-05-19 Richard Henderson <rth@cygnus.com>
4093 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4095 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4097 2000-05-19 Richard Henderson <rth@cygnus.com>
4099 * jump.c (redirect_jump): Add delete_unused argument. Don't
4100 remove labels and code following when LABEL_NUSES goes to zero.
4101 (invert_jump): Likewise.
4102 (jump_optimize_1): Fix redirect/invert arguments.
4103 (do_cross_jump, thread_jumps): Likewise.
4104 * flow.c (split_edge): Likewise.
4105 * reorg.c (optimize_skip): Likewise.
4106 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4107 * profile.c (instrument_arcs): Likewise.
4108 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4109 * rtl.h: Update prototypes.
4111 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4113 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4115 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4118 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4120 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4121 past l1 when deleting whitespace and markers.
4123 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4124 * cpplib.c (do_unassert): Put the list to compare against on
4127 2000-05-19 Bruce Korb <bkorb@gnu.org>
4129 * fixinc/README: cleaned up old documentation
4130 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4131 * fixinc/check.tpl: compute the list of needed directories
4132 emit "#if defined(name)" because of conflict
4133 omit machine name differences from output differences
4134 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4135 (machine_name): change test text to use `sed' markers
4136 * fixinc/fixincl.x: regen
4138 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4140 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4143 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4145 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4146 it to match the current practice.
4148 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4150 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4152 2000-05-18 Richard Henderson <rth@cygnus.com>
4154 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4155 * rtl.h (insn_dependant_p): Declare it.
4156 * loop.c (strength_reduce): Use it.
4158 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4160 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4161 16-bit and 64-bit clean-up.
4163 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4165 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4166 * configure: Rebuilt.
4168 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4170 * genopinit.c: Use $ for escape sequences in optab patterns.
4171 Remove backslashes from optab patterns. Change $A, $B, $C to
4172 expand to (int) whatever instead of just whatever; remove
4173 explicit (int) from all optab patterns.
4175 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4176 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4177 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4178 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4181 2000-05-18 Richard Henderson <rth@cygnus.com>
4183 * jump.c (jump_optimize_1): Base minimum insn count during
4184 find_cross_jump on BRANCH_COST.
4186 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4188 * print-rtl.c (print_rtx): Only print note line number as string
4189 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4190 * final.c (final_scan_insn): Do nothing for note line number 0.
4192 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4194 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4195 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4196 NOTE_INSN_DELETED_LABEL.
4198 2000-05-18 Nick Clifton <nickc@cygnus.com>
4200 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4201 uninitialised data in .rodata not .bss, and do not interpret an
4202 error in the initialisation value as meaning that the variable
4203 should be placed in the .bss section.
4205 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4207 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4208 not `$ac_cv_prog_cc_cc_c_o'.
4209 * configure: Regenerated.
4211 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4212 Richard Henderson <rth@cygnus.com>
4214 * c-common.h (enum c_tree_index): Add g77 type entries.
4215 (g77_integer_type_node, g77_uinteger_type_node): New.
4216 (g77_longint_type_node, g77_ulongint_type_node): New.
4217 * c-decl.c (init_decl_processing): Initialize them.
4219 2000-05-18 Richard Henderson <rth@cygnus.com>
4221 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4223 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4224 (small_power_of_two): Likewise; use exact_log2.
4225 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4226 (output_adds_subs): Remove.
4227 (two_insn_adds_subs_operand): New.
4228 (split_adds_subs): New.
4229 * config/h8300/h8300-protos.h: Update.
4230 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4231 (CONST_OK_FOR_L): Match strict adds operands.
4232 (CONST_OK_FOR_N): Match struct subs operands.
4233 * config/h8300/h8300.md (adds_subs insns): Remove.
4234 (addhi patterns): Output adds/subs directly.
4235 (addsi_h8300h): Likewise.
4236 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4238 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4240 * cppexp.c (parse_assertion): New.
4241 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4242 (_cpp_parse_expr): Remove case '#'. Don't set
4243 parsing_if_directive.
4244 * cpphash.c (collect_objlike_expansion,
4245 collect_funlike_expansion, collect_params,
4246 _cpp_create_definition): The list no longer has a trailing
4248 * cpphash.h (enum node_type): Add T_ASSERTION.
4249 (struct hashnode): Remove aschain, add pred.
4250 (struct predicate): New.
4253 * cpplex.c (expand_token_space): Handle both offset and
4255 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4256 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4257 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4258 _cpp_equiv_toklists): New.
4259 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4260 stop at any single-character token, not just newline.
4261 (_cpp_lex_token): Remove special cases for #define and #if.
4262 (cpp_get_token): Expect # as a separate token type. Remove
4264 (_cpp_get_directive_token): Remove DIRECTIVE case.
4265 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4267 * cpplib.c (_cpp_check_directive): Set dirno and
4268 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4269 (_cpp_handle_directive): Run # <number> through the same logic
4270 as normal directives.
4271 (do_define): Don't set parsing_define_directive. Use
4272 _cpp_scan_until. The list does not have a VSPACE at the end.
4273 (do_if): Save, clear, and restore only_seen_white around
4275 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4276 (do_assert, do_unassert): Rewrite.
4278 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4279 (LIST_OFFSET): New flag.
4280 (struct cpp_toklist): Replace dir_handler and dir_flags with
4282 (struct cpp_reader): Remove parsing_if_directive and
4283 parsing_define_directive.
4285 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4287 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4288 following the cabs decl which terminate on the following line.
4289 Add the corresponding test_text case.
4291 2000-05-18 Neil Booth <NeilB@earthling.net>
4293 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4294 default tab stop size.
4295 (no_num, OPT_ftabstop): New.
4296 (handle_option): Handle "ftabstop=" command-line option.
4297 (print_help): Document it.
4298 * cpplex.c (COLUMN): Remove.
4299 (handle_newline): Reset col_adjust.
4300 (skip_whitespace): Update col_adjust as tabs encountered.
4301 (_cpp_lex_line): Update to use col_adjust. Call
4302 skip_whitespace for all whitespace.
4303 * cpplib.h (struct cpp_options): New member tabstop.
4304 (struct cpp_reader): New member col_adjust.
4305 (CPP_BUF_COL): Update.
4306 (CPP_BUF_COLUMN): New.
4307 * cpp.texi: Document "-ftabstop=" command line option.
4309 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4311 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4313 * configure: Rebuilt.
4315 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4317 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4319 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4320 HOST_BITS_PER_WIDE_INT is >= 64.
4322 2000-05-17 Richard Henderson <rth@cygnus.com>
4324 * jump.c (jump_optimize_1): Remove inactive but real insns
4325 in jump-to-next-insn optimization.
4327 2000-05-17 Richard Henderson <rth@cygnus.com>
4329 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4330 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4331 Don't call recompute_reg_usage if no_new_pseudos is true.
4332 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4333 Return true if we did work; update global life information.
4334 * basic-block.h (optimize_mode_switching): Update decl.
4336 2000-05-17 Neil Booth <neilb@earthling.net>
4338 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4340 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4342 * cpplib.c: New feature, #pragma system_header.
4343 * cpp.texi: Document special treatment of system headers, and
4344 the various mechanisms to get a header that special treatment.
4346 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4348 * system.h (offsetof): Define at the very end, to ensure we prefer
4349 the platform's definition if available.
4351 2000-05-16 Bruce Korb <bkorb@gnu.org>
4353 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4354 * fixinc/server.c: likewise
4355 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4356 + #ifdef debugging code + use #def constant for
4358 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4359 on C++ math namespace
4361 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4363 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4364 Don't check the return value of sprintf. Use asprintf to avoid
4367 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4369 * flags.h (warn_unused_function, warn_unused_label,
4370 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4371 Replace ``warn_unused''.
4372 (set_Wunused): Add declaration.
4373 * toplev.c (set_Wunused): New function.
4374 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4375 warn_unused_variable, warn_unused_value): New variables.
4376 (W_options): Add -Wunused-function, -Wunused-function,
4377 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4378 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4380 * toplev.c (decode_W_option): Update -Wunused flags by calling
4382 * c-decl.c (c_decode_option): Ditto for -Wall.
4384 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4385 warn_about_unused_variables): Replace warn_unused with more
4386 explicit warn_unused_value et.al.
4387 * function.c (expand_function_end): Ditto.
4388 * c-typeck.c (internal_build_compound_expr,
4389 internal_build_compound_expr): Ditto.
4390 * c-decl.c (poplevel, pop_label_level): Ditto.
4391 * toplev.c (check_global_declarations): Replace warn_unused with
4392 check for either warn_unused_function or warn_unused_variable.
4394 * gcc.1, invoke.texi (Warning Options): Document
4395 -Wunused-function, -Wunused-function, -Wunused-label,
4396 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4398 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4400 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4401 $(srcdir), not in the current directory.
4403 2000-05-16 Richard Henderson <rth@cygnus.com>
4405 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4406 assembler supports it.
4407 (.fini, .init): Use a gp-relative indirect call.
4408 (__do_global_dtors_aux): Preserve the gp; rebundle.
4409 (__do_frame_setup): Likewise.
4410 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4411 (.init): Use a gp-relative indirect call.
4412 (__do_global_ctors_aux): Preserve the gp.
4414 2000-05-16 Richard Henderson <rth@cygnus.com>
4416 * flow.c (commit_one_edge_insertion): Be prepared for a return
4417 insn to be inserted on the edge with a normal jump.
4418 * jump.c (jump_optimize_1): Don't look to create return isns.
4420 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4421 * jump.c (jump_optimize_1): Likewise.
4422 (returnjump_p): Verify the argument is a JUMP_INSN.
4423 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4425 2000-05-16 Nick Clifton <nickc@cygnus.com>
4427 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4428 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4429 (large_insn_p): Ditto.
4430 (m32r_is_insn): New function: Return true if the insn contains
4431 an executable instruction.
4432 (m32r_adjust_insn): Use m32r_is_insn.
4433 (m32r_sched_reorder): Use m32r_is_insn.
4434 (m32r_sched_variable_issue): Use m32r_is_insn.
4436 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4438 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4441 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4443 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4444 according to given options.
4446 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4448 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4449 if X has VOIDmode either.
4450 (LIMIT_RELOAD_CLASS): Similarly.
4452 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4453 not "general_operand" to match the processor's capabilities.
4455 2000-05-16 Bruce Korb <bkorb@gnu.org>
4457 * fixinc/README: corrected return address
4458 * fixinc/check.diff: regenerate, now that test works
4459 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4460 (char_macro_def_fix,char_macro_use_fix): corrected and
4461 rewrote to use regex to parse the text
4462 * fixinc/inclhack.def: more testing
4463 * fixinc/fixincl.x: regenerated
4465 * fixinc/inclhack.def: added several "test_text" attributes
4466 changed several fixes to use `c_fix = format'
4467 re-alphabetized the fixes
4469 * fixinc/check.diff: regenerate
4470 * fixinc/fixincl.x: regenerate
4471 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4475 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4477 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4479 2000-05-15 Richard Henderson <rth@cygnus.com>
4481 * toplev.c (rest_of_compilation): Run full jump pass before
4482 find_basic_blocks of flow2.
4484 2000-05-15 Richard Henderson <rth@cygnus.com>
4486 * jump.c: Fix typos and clarify commentary from last change.
4487 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4488 (safe_to_remove_jump_p): Remove.
4489 (condjump_label): Use pc_set.
4491 2000-05-15 Richard Henderson <rth@cygnus.com>
4493 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4494 that get in the way after reload.
4495 (cond_exec_process_if_block): Skip a label heading THEN block.
4497 2000-05-15 Richard Henderson <rth@cygnus.com>
4499 * varasm.c (output_constant_pool): Abort instead of converting
4500 (improperly) deleted labels to zero.
4502 2000-05-16 Neil Booth <NeilB@earthling.net>
4504 * cpplex.c (parse_string2): Update comment.
4505 (cpp_lex_line): No special assertion treatment for '('.
4506 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4507 * cpplib.h (SYNTAX_ASSERT): Remove.
4509 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4511 * jump.c (condjump_p): Mark as depreached.
4512 (any_condump_p): New.
4513 (any_uncondump_p): New.
4515 (safe_to_remove_jump_p): New.
4516 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4517 safe_to_remove_jump_p): Declare.
4519 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4521 * calls.c: Re-install both patches reverted by last patch.
4522 (struct arg_data): New field tail_call_reg.
4523 (initialize_argument_information): Initialize tail_call_reg
4524 (load_register_parameters): New argument flags, use
4525 tail_call_reg when emiting tail call sequence.
4526 (expand_call): Update call of load_register_parameters;
4527 copy unadjusted_args_size to adjusted_args_size.
4529 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4531 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4532 and bct_p parameters to flags.
4533 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4534 * rtl.h (loop_optimize): Update prototype.
4535 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4537 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4539 * calls.c (expand_call): Move expand_start_target_temps call after
4542 2000-05-15 Neil Booth <NeilB@earthling.net>
4544 * cpphash.c (trad_stringify, warn_trad_stringify,
4545 collect_params): Make some pointers pointers to const.
4546 * cpplex.c (auto_expand_name_space) Guaranteed to always
4547 expand by at least one character.
4548 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4549 (struct token_spelling): Use const U_CHAR * rather than PTR.
4550 (expand_name_space): Fix up token pointers if name space
4551 is moved when expanding.
4552 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4553 parse_string2, save_comment, spell_token, cpp_output_list):
4554 Update so the routines handle tokens with a direct pointer to
4555 their text, rather than an offset into the token's list's namebuf.
4556 (_cpp_lex_line): Rearrange for clarity.
4558 * cpplib.c (_cpp_check_directive): Similarly.
4559 (do_define): Make SYM a pointer to const.
4560 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4561 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4562 (TOK_OFFSET): Delete.
4565 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4567 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4570 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4572 (logical_u_operand): Delete.
4573 (non_logical_cint_operand): Rewrite to take MODE into account.
4574 (non_logical_u_cint_operand): Delete.
4575 (boolean_operator): New function.
4576 (print_operand): Add new %q operand.
4577 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4578 remove logical_u_operand and non_logical_u_cint_operand,
4579 update logical_operand and non_logical_cint_operand.
4580 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4581 logical operations to use %q.
4583 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4584 (movdi): Make similar to movsi.
4585 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4586 is no such thing as a DImode CONST_DOUBLE.
4587 * config/rs6000/rs6000.c (output_toc): Likewise.
4589 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4590 codes when old mnemonics are in use. Print register names
4591 for cc registers when requested.
4593 * optabs.c (expand_float): Don't allow mode widening that causes
4596 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4597 flags to their current names -maix64 and -maix32.
4599 2000-05-14 Bruce Korb <bkorb@gnu.org>
4601 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4602 and/or after current text of file
4603 * fixinc/fixlib.c(must_malloc):
4604 * fixinc/fixlib.h(must_malloc): + reformatting
4605 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4606 with usages of ``c_fix = wrap;''
4607 Add several tests and use the ``c_fix = format'' fixer more.
4608 * fixinc/fixincl.x: regen
4609 * fixinc/check.diff: regen
4610 * fixinc/check.tpl: emit the associated header with the missing
4613 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4615 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4616 variables $src and $dst.
4618 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4620 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4621 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4622 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4623 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4625 (set_message_prefixing_rule): Declare.
4627 * diagnostic.c: (current_prefixing_rule): New variable.
4628 (set_message_prefixing_rule): Define.
4629 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4630 (init_output_buffer): Adjust Initialization.
4631 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4633 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4635 * ifcvt.c (if_convert): Do not free NULL.
4637 2000-05-12 Nick Clifton <nickc@cygnus.com>
4639 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4640 to move a double word value.
4641 (di_operand): New function: Return true if the operand is suitbale
4642 for a double word move operation.
4643 (nonimmediate_di_operand): New function: Return true if the
4644 operand is a DImode register or MEM.
4646 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4647 nonimmediate_di_operand.
4649 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4650 nonimmediate_di_operand.
4652 * config/fr30/fr30.md (movdi): New pattern. Required because
4653 other patterns generate DImode results.
4654 (movdi_insn): New pattern.
4656 2000-05-12 Richard Henderson <rth@cygnus.com>
4658 * config/alpha/alpha.c (struct shadow_summary): Define
4659 bitfields as type unsigned int.
4661 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4663 * config/avr/t-avr: Added definition of FLOAT while generates
4666 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4667 peepholes for tst+jump = sbrs/sbrc optimization.
4669 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4671 * expr.c (emit_push_insn): Do not adjust stack pointer when
4674 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4676 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4677 * system.h (offsetof): ... to here.
4679 2000-05-12 Richard Henderson <rth@cygnus.com>
4681 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4682 * final.c (final_end_function): Use app_disable. Rearrange note
4683 handling into a switch. Emit deleted labels.
4684 (output_asm_label): Generate label strings for deleted labels.
4685 * flow.c (tail_recursion_label_list): New.
4686 (find_basic_blocks_1): Set label_value_list directly. Collect list
4687 of tail recursion labels from call_placeholders. Don't add deleted
4688 labels to the label value list.
4689 (cleanup_cfg): Use free_EXPR_LIST_list.
4690 (flow_delete_insn_chain): Turn non-removable labels into notes.
4691 (flow_delete_block): Don't disable deleting the block because of
4692 a non-removable label.
4693 (tail_recursion_label_p): New.
4694 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
4696 (merge_blocks_move_successor_nojumps): Likewise. Also move a
4698 (merge_blocks): Disable a merge because of tail recursion labels.
4699 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
4700 Use a more accurate measure of not merging the join block.
4701 (find_if_block): Don't disable conversion because of a label.
4702 (find_if_case_1, find_if_case_2): Likewise.
4703 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
4704 element when copying.
4705 (squeeze_notes): Also leave EH notes.
4706 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
4708 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
4710 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
4711 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
4712 referring to a deleted label. Convert tail handling to a switch.
4713 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
4714 for NOTE_INSN_DELETED_LABEL.
4715 (NOTE): Fix commentary.
4716 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
4717 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
4718 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
4719 (LABEL_NUSES, LABEL_REFS): Likewise.
4720 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
4722 2000-05-12 Bruce Korb <bkorb@gnu.org>
4724 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
4725 * fixinc/check.diff: updated
4726 * fixinc/inclhack.def: corrected & added some test_text-s
4727 * fixinc/genfixes: removed unneeded options to autogen invocation
4728 * fixinc/fixincl.tpl: Specified the output file
4729 * fixinc/fixfixes.c: visual appearance
4730 * fixinc/fixincl.x: regenerate
4732 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
4734 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
4735 CTRL_defn_fix): Delete.
4736 (fix_char_macro_defines, fix_char_macro_uses): Rename to
4737 char_macro_def_fix and char_macro_use_fix, respectively. Put
4738 them into the FIXUP_TABLE. Get the string to search for from
4741 (format_write): New function.
4742 (format_fix): Use it.
4744 (FIX_PROC_HEAD): Constify text parameter.
4745 (machine_name_fix): Constify all char *s.
4746 * fixtests.c (skip_quote): Remove double static.
4748 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
4749 ctrl_use_quotes): Update for new scheme.
4750 * fixincl.x: Regenerate.
4752 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
4754 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
4756 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
4757 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4759 2000-05-11 Robert Lipe <robertlipe@usa.net>
4761 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
4762 * fixincl.x: Regenerate.
4764 2000-05-11 Richard Henderson <rth@cygnus.com>
4766 * calls.c: Revert both 05-09 patches.
4768 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
4770 * config/mn10300/mn10300.c (print_operand): Print FP constants in
4772 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
4775 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
4776 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
4778 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
4780 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
4782 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4784 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
4786 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
4788 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
4789 * config/avr/avr.c (jump_over_one_insn_p): New function.
4790 * config/avr/avr.md: New peepholes added. Output test and
4791 conditional jump to "sbrc" or "sbrs" command.
4793 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
4795 * cppmain.c (main): Use IS_DIR_SEPARATOR.
4797 2000-05-11 Jakub Jelinek <jakub@redhat.com>
4799 * except.c (find_exception_handler_labels_1): New function.
4800 (find_exception_handler_labels): Split into two functions, dive
4801 into CALL_PLACEHOLDERs when looking for exception handler labels.
4803 2000-05-11 Stan Cox <scox@cygnus.com>
4805 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
4806 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
4807 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
4809 2000-05-11 Bruce Korb <bkorb@gnu.org>
4811 * fixinc/fixfixes.c (double_slash_fix): obsolete
4812 (else_endif_label_fix): obsolete
4813 (format_fix): new, unused as yet
4815 * fixinc/fixlib.h: added fix description struct for use by format_fix
4816 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
4817 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
4818 modules. Removed the vestiges of the script version.
4819 Added support for "make check".
4820 * fixinc/check.diff: base diff file (needs work!!)
4821 * fixinc/check.tpl: quiet the fixup output
4822 * fixinc/fixtests.c (main): obsolete
4823 * fixinc/fixincl.sh: don't bother copying fixincl to ..
4824 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
4826 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
4828 * toplev.c (rest_of_compilation): Remove dead code after
4831 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4833 * cpphash.c (collect_funlike_expansion): Make "# is not
4834 followed by a macro argument name" a pedwarn, not an error.
4835 Preserve the # in the output. Suppress the warning if lang_asm.
4837 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
4839 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
4840 * configure: Rebuilt.
4842 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
4844 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
4846 2000-05-10 Kazu Hirata <kazu@hxi.com>
4848 * combine.c (try_combine): Fix a typo.
4850 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
4852 * config/ia64/ia64.md (insv): Add comment.
4854 2000-05-10 Richard Henderson <rth@cygnus.com>
4856 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
4857 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
4858 dependancies on FPBIT and DPBIT.
4860 2000-05-10 Nick Clifton <nickc@redhat.com>
4862 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
4863 when optimising for size.
4864 (mark_used_regs:) Ditto.
4865 (try_pre_increment_1): Ditto.
4867 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
4869 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
4870 Make error message friendlier.
4872 * cpphash.h (struct hashnode): Use struct hack for name
4874 * cpphash.c (struct hashdummy): New.
4875 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
4876 (make_HASHNODE): No need to set ->name pointer. Correct
4878 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
4880 2000-05-10 Richard Henderson <rth@cygnus.com>
4882 * flow.c (find_basic_blocks_1): Remove any spare bb_note
4885 2000-05-10 Bruce Korb <bkorb@gnu.org>
4887 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
4889 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
4891 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
4892 after we enter .debug.
4894 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
4896 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
4897 abstract instance of a nested inline function.
4899 * stor-layout.c (finish_record_layout): finalize_type_size
4900 before laying out the pending_statics.
4902 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
4904 * cpplex.c (spell_token): New function.
4905 (spell_string, spell_comment, spell_name): fold into
4908 (E, H): Remove macros.
4909 (save_comment): Save comment opening characters too.
4910 (_cpp_lex_file): Update to use spell_token. Tidy up comment
4912 * cpplib.h (I, S): Add macros.
4913 (E, H): Remove macros.
4914 (TTYPE_TABLE): Update entries for new speller.
4915 (SYNTAX_ASSERT): Remove.
4917 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
4919 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
4920 when removing escaped newlines. Reverse sense of test for
4923 2000-05-09 Richard Henderson <rth@cygnus.com>
4925 * flow.c (find_basic_blocks_1): Do not delete the first
4926 bb_note we run across.
4927 (create_basic_block): Use reorder_insns to move an existing
4928 bb_note to the correct place.
4930 2000-05-09 Richard Henderson <rth@cygnus.com>
4932 * calls.c (expand_call): Increment currently_expanding_call
4933 before calling optimize_tail_recursion.
4935 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4937 * reload1.c (reload_combine): Fix errors in last change.
4939 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
4941 * gcc.c (used_arg): Skip over a semicolon at the end of the
4942 split-up loop; don't break out of it.
4944 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
4945 (tree.o): Depend on output.h.
4947 * c-decl.c (pending_invalid_xref_file,
4948 current_function_prototype_file): Constify.
4949 (pushdecl): Constify a local char *.
4950 (define_label): Constify filename parameter.
4951 * c-lex.c (init_parse): Constify parameter and return value.
4952 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
4953 * c-tree.h: Update prototypes.
4954 * c-parse.in: Constify filename member of %union, and if_stmt_file.
4955 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
4956 objc/objc-parse.c: Regenerate.
4958 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
4959 * dwarfout.h: Update prototypes.
4960 * expr.c (expand_expr): Constify a local char *.
4961 * flags.h: Constify main_input_filename.
4962 * function.c (expand_function_end): Constify filename parameter.
4963 * genrecog.c (make_insn_sequence): Use a character array for
4965 (main): Remove unused variables.
4966 * input.h: Constify input_filename, main_input_filename, and
4967 file_stack.name. Update prototypes.
4968 * output.h: Declare first_global_object_name and
4969 weak_global_object_name here, as const char *.
4970 * stmt.c (expand_asm_operands): Constify filename parameter.
4971 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
4972 Constify filename parameter.
4973 (input_filename, main_input_filename): Constify.
4974 * toplev.h: Update prototypes.
4975 * tree.c: Include output.h. Don't declare
4976 first_global_object_name or weak_global_object_name. Clean up string
4977 bashing in get_file_function_name_long.
4978 * tree.h (struct tree_decl): Constify filename member.
4979 (input_filename): Constify.
4981 * varasm.c (first_global_object_name, weak_global_object_name):
4983 (assemble_start_function, assemble_variable): Clean up string bashing.
4985 * gcc.c: Constify all spec-related strings initialized,
4986 transitively, from string constants. Constify all strings
4987 and string variables related to multilibs.
4988 (set_spec, read_specs): Cast argument to free to PTR.
4989 (used_arg): Do not modify multilib_matches. Use strncmp plus
4990 length comparison to compare multilib switches.
4991 * genmultilib: Constify everything declared in multilib.h.
4993 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
4995 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
4998 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5000 * config/avr/avr-protos.h (extra_constraint): change a type of
5001 second argument from char to int to avoid warnings.
5002 (asm_output_byte): Likewise.
5004 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5005 (initial_elimination_offset): Handle elimination from
5006 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5007 (legitimate_address_p): Use MAX_LD_OFFSET.
5008 (legitimize_address): Likewise.
5009 (out_movqi_r_mr): Likewise.
5010 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5011 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5012 (out_movsi_mr_r): Likewise.
5013 (out_movqi_mr_r): Likewise.
5014 (out_movhi_mr_r): Likewise.
5015 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5016 count as CONST_INT != 6.
5017 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5018 shift count is a CONSTANT_P, but not a CONST_INT.
5019 (ashlhi3_out): Coding style modifications.
5020 (ashlsi3_out): Likewise.
5021 (ashrhi3_out): Likewise.
5022 (ashrsi3_out): Likewise.
5023 (lshrhi3_out): Likewise.
5024 (lshrsi3_out): Likewise.
5025 (ashrqi3_out): Generate shift for any known constant count without
5026 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5027 but not a CONST_INT.
5028 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5029 shift count is a CONSTANT_P, but not a CONST_INT.
5030 (extra_constraint): change a type of
5031 second argument from char to int to avoid warnings.
5032 (asm_output_byte): Likewise.
5033 (asm_file_end): Output size generated commands count as a hex
5036 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5038 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5040 (ashlqi3): Values of "length" attribute changed. Shift count
5041 uses constraints 'n' instead of 'i'.
5042 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5043 shifts without clobber register.
5044 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5045 (call_insn): Correct test for which_alternative == 1 (was 0).
5046 (call_value_insn): Likewise.
5048 * config/avr/t-avr: Remove definition of FLOAT while generates
5051 2000-05-09 Bruce Korb <bkorb@gnu.org>
5053 * fixinc/check.tpl: Template for checking fixes
5054 * fixinc/inclhack.def: Added 'test_text' for many fixes
5055 disable hpux8_bogus_inlines on SCO
5056 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5058 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5060 * calls.c (expand_call): Reorganize somewhat in order
5061 to avoid unnecesary recalculation inside loop and make
5062 tail call failure code cleaner.
5064 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5066 * alias.c (nonlocal_reference_p): Minor reformatting.
5067 * reload.c (find_equiv_reg): Simplify logic for
5068 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5069 some some reformatting.
5070 * reload1.c (reload_combine): Don't assume everything in
5071 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5073 2000-05-08 Richard Henderson <rth@cygnus.com>
5075 * final.c (current_insn_predicate): New.
5076 (final_scan_insn): Set it.
5077 * output.h (current_insn_predicate): Declare.
5079 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5080 Attach it to call insns.
5081 (cond_exec_process_if_block): Track probability for true and
5083 (dead_or_predicable): Likewise.
5085 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5086 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5087 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5088 (estimate_probability, expected_value_to_br_prob): Use them.
5090 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5091 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5092 (ia64_expand_prediction): New.
5093 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5094 as needed after calls.
5095 (ia64_epilogue_uses): Mark b0 used.
5096 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5097 (bne_true, bne_false): Remove.
5098 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5099 (br_true, br_false): New. Use predicate_operator and
5100 ia64_expand_prediction.
5101 (return_true, return_false): Likewise.
5102 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5103 (call_internal1, call_value_internal): Likewise.
5104 (call_value_internal1, call_multiple_values_internal1): Likewise.
5106 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5108 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5110 2000-05-08 Richard Henderson <rth@cygnus.com>
5112 * rtlanal.c (may_trap_p): Consider old-style and volatile
5115 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5117 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5119 2000-05-08 Richard Henderson <rth@cygnus.com>
5121 * config/ia64/ia64.h (predicate_operator): Declare.
5123 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5126 * gensupport.c (process_rtx): Copy and post-process each member
5127 of the define_insn rtvec individually.
5129 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5131 * cpplex.c (spell_token): New function.
5132 (TOKEN_LEN): Add 1 for whitespace.
5133 (_cpp_lex_file): Update to use spell_token.
5134 * cpplib.h (E): Remove.
5135 (TTYPE_TABLE): Update CPP_VSPACE entry.
5137 2000-05-08 Richard Henderson <rth@cygnus.com>
5139 * flow.c (init_propagate_block_info): Watch out for conditional
5140 branch to next instruction, and thus one outgoing edge.
5142 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5143 for global register variables; don't special case __[CD]TOR_LIST__;
5144 mind ggc_p for string allocation.
5146 2000-05-08 Nick Clifton <nickc@cygnus.com>
5148 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5150 2000-05-08 Bruce Korb <bkorb@gnu.org>
5152 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5153 i?86-*-msdosdjgpp* no longer uses fixincludes
5154 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5155 * fixinc/inclhack.sh: deleted
5156 * fixinc/hackshell.tpl: deleted
5157 * fixinc/inclhack.tpl: deleted
5158 * fixinc/Makefile.in: Remove dependencies on above
5159 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5161 2000-05-08 Andreas Jaeger <aj@suse.de>
5163 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5166 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5168 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5171 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5173 * cpplex.c: Move new lexer definitions and prototypes
5174 to top. Conditional include these and the code if
5175 NEW_LEXER is defined. Rename functions whose names
5176 clash if this code included.
5178 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5180 * rtl.def (COND_EXEC): Clarify.
5182 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5183 same fashion as zero_extendsidi2.
5185 2000-05-06 Richard Henderson <rth@cygnus.com>
5187 * config/ia64/ia64.c (predicate_operator): New.
5188 (ia64_print_operand): Handle 'J'.
5189 (rtx_needs_barrier): Handle COND_EXEC.
5190 * config/ia64/ia64.h (BRANCH_COST): Define.
5191 (PREDICATE_CODES): Update.
5192 * config/ia64/ia64.md: Docuement used unspec values.
5193 (attr predicable): New.
5194 (movxf, movxf_internal): New.
5195 (extendsfdf2): Don't comment out nop.
5196 (floatdidf2): Remove.
5197 (truncxfsf2, truncxfdf2, floatdixf2): New.
5198 (abssi2, absdi2): Put the neg in the "true" slot.
5199 (conditional branch instructions): Mark not predicable.
5200 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5201 (abs*_internal): Likewise.
5202 (alloc, set_bsp): Mark not predicable.
5203 (barrier, insn_group_barrier, flush_cache): Likewise.
5204 (define_cond_exec): New.
5206 2000-05-06 Richard Henderson <rth@cygnus.com>
5208 * c-decl.c: Include "tm_p.h".
5210 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5211 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5212 (ia64_expand_op_and_fetch): Declare.
5213 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5214 (setjmp_operand): Constify variables for XSTR.
5215 (ia64_encode_section_info): Likewise.
5216 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5218 (ia64_asm_output_external): Constify name.
5219 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5220 (process_for_unwind_directive): Provide switch default.
5221 (ia64_expand_compare_and_swap): Remove unused variables.
5222 (ia64_expand_builtin): Likewise.
5223 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5226 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5227 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5228 (shift_count_operand, shift_32bit_count_operand): Likewise.
5229 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5230 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5231 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5232 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5233 (ia64_expand_builtin): Likewise.
5234 (call_multiple_values_operation): Make dest_regno unsigned.
5236 2000-05-06 Richard Henderson <rth@cygnus.com>
5238 * rtl.def (DEFINE_COND_EXEC): New.
5239 * md.texi: Document it.
5241 * gensupport.c (input_file): Remove.
5242 (struct queue_elem): Add lineno.
5243 (rtx_ready_queue): Remove.
5245 (predicable_default): New.
5246 (predicable_true, predicable_false): New.
5247 (define_attr_queue, define_attr_tail): New.
5248 (define_insn_queue, define_insn_tail): New.
5249 (define_cond_exec_queue, define_cond_exec_tail): New.
5250 (other_queue, other_tail): New.
5251 (queue_pattern): New.
5252 (process_rtx): Add patterns to the appropriate queues.
5253 (is_predicable, identify_predicable_attribute): New.
5254 (n_alternatives, collect_insn_data): New.
5255 (alter_predicate_for_insn, alter_test_for_insn): New.
5256 (shift_output_template, alter_output_for_insn): New.
5257 (process_one_cond_exec, process_define_cond_exec): New.
5258 (init_md_reader): Read the entire file. Process define_cond_exec.
5259 (read_md_rtx): Return elements from the queues.
5261 2000-05-06 Richard Henderson <rth@cygnus.com>
5263 * flow.c (mark_set_1): Don't update conditional life info
5264 if the register is not_dead.
5266 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5268 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5269 (mostlyclean): Also delete fixincl, fixinc.sh, and
5270 specs.ready, and make clean in the fixinc subdir.
5272 2000-05-06 Richard Henderson <rth@cygnus.com>
5274 * Makefile.in (gensupport.o): Compile for the host.
5275 (host-prefix gensuuprt.o): Remove.
5276 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5277 (genattrtab.o): Likewise.
5278 (gencodes.o): Depend on gensupport.h.
5279 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5280 (genpeep.o, genattr.o, genoutput.o): Likewise.
5282 * gensupport.c (obstack, rtl_obstack): New.
5283 (init_md_reader): Initialize rtl_obstack.
5284 * gensupport.h (rtl_obstack): Declare.
5285 (message_with_line): Declare.
5287 * genattr.c: Remove all traces of obstack manipulation.
5288 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5289 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5291 * genattrtab.c (obstack, rtl_obstack): Remove.
5292 (main): Don't init rtl_obstack.
5293 * genflags.c: Likewise.
5295 * genrecog.c (message_with_line): Move ...
5296 * gensupport.c: ... here.
5298 2000-05-06 Richard Henderson <rth@cygnus.com>
5300 * c-typeck.c (build_c_cast): Remove dead code.
5302 2000-05-06 Richard Henderson <rth@cygnus.com>
5304 * flow.c (split_edge): Don't allocate global_live_at_start for
5305 the new block unless the old blocks had them as well.
5307 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5309 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5310 test_bb if a or b uses x.
5312 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5314 * cpphash.h: Remove conditional #define of __extension__.
5315 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5316 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5317 (ENABLE_RTL_CHECKING only).
5318 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5319 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5320 (ENABLE_TREE_CHECKING only).
5321 * varray.h: Add __extension__ to VARRAY_CHECK macro
5322 (ENABLE_CHECKING only).
5324 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5326 Use new tail-calling mechanism on ARM.
5327 * arm.md (sibcall, sibcall_value): New expands.
5328 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5329 (tailcalling peepholes): Delete.
5330 (push_multi): Simplify.
5331 * arm.c (lr_save_eliminated): Delete definition.
5332 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5333 (output_return_instruction): Remove checks on lr_save_eliminated.
5334 (output_arm_prologue): Remove old tail-calling code.
5335 (arm_output_epilogue): New parameter, really_return. All callers
5336 changed. Handle tail-calling epilogues.
5337 * arm.h (lr_save_eliminated): Delete declaration.
5338 (frame_pointer_needed): Delete declaration.
5339 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5341 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5343 * arm.c (thumb_code): Define it.
5344 (arm_override_options): Set it.
5345 * arm.h (thumb_code): Declare it.
5347 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5349 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5351 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5353 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5354 bogus clobber to insns.
5355 (load_multiple_operation, store_mulitple_operation): Don't check
5357 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5359 * arm.md (and_scc, ior_scc): Add missing mode.
5361 * arm.md (call_value_symbol): Remove predicate from op2.
5363 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5365 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5367 * expr.c (get_subtarget): New function.
5368 (force_operand, expand_expr, do_store_flag): Use it.
5370 * toplev.c (compile_file): Don't take strlen of NAME if null.
5372 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5374 * xcoffout.c (xcoff_current_include_file,
5375 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5376 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5378 (xcoffout_declare_function): Make name 'const char *'.
5379 (xcoffout_end_epilogue): Make fname 'const char *'
5380 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5381 xcoffout_declare_function, xcoffout_source_line): Match above.
5383 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5385 * rs6000.c (print_operand): Fix lossage typo.
5386 (output_cbranch): Remove "cr" decoration for now.
5387 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5389 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5391 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5394 2000-05-05 Bruce Korb <bkorb@gnu.org>
5396 * fixinc/genfixes: Improve the matching for make target names
5398 2000-05-05 Catherine Moore <clm@cygnus.com>
5400 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5401 attribute to the decl.
5402 * c-decl.c (pushdecl): Propagate the USED attribute to the
5405 2000-05-05 Richard Henderson <rth@cygnus.com>
5407 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5408 same way emit_group_load does.
5410 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5412 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5414 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5417 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5419 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5421 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5423 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5424 to support -shared, on platforms with dynamic libraries.
5426 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5428 * system.h (S_ISBLK): Provide fallback definition.
5430 2000-05-05 Geoff Berry <geoffb@bops.com>
5432 * extend.texi (Extended Asm): Document inability to give asm
5433 statements access to condition codes.
5435 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5437 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5438 as arg 2 of UNIQUE_SECTION.
5440 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5442 * predict.c: Remove May 4 change.
5443 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5444 if we have predicted the branch at 50-50 probability.
5446 2000-05-05 Richard Henderson <rth@cygnus.com>
5448 * flow.c (init_propagate_block_info): Fix merge error
5449 in HAVE_conditional_execution code.
5451 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5453 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5454 shift cycle for unknown shift count. Also generates dec + brpl.
5455 (ashlqi3_out): Don't generate dec + brpl which now generates by
5456 `out_shift_with_cnt'.
5457 (ashlhi3_out): Likewise.
5458 (ashlsi3_out): Likewise.
5459 (ashrqi3_out): Likewise.
5460 (ashrhi3_out): Likewise.
5461 (ashrsi3_out): Likewise.
5462 (lshrqi3_out): Likewise.
5463 (lshrhi3_out): Likewise.
5464 (lshrsi3_out): Likewise.
5466 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5468 * gcc.c (free_split_directories): Correct typo in explanation
5469 of make_relative_prefix.
5471 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5473 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5474 comparison codes to branch_comparison_operator.
5476 2000-05-04 Richard Henderson <rth@cygnus.com>
5478 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5480 2000-05-04 Richard Henderson <rth@cygnus.com>
5482 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5483 (DPBIT_FUNCS): Remove _sf_to_usi.
5484 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5486 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5487 between condition and jump.
5489 * libgcc2.c (near eh_context_specific): Comment #endif string.
5490 * longlong.h: Don't use strings with embedded newlines.
5492 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5494 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5495 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5496 (print_operand): Delete %t and %T codes.
5497 (output_cbranch): New function. Support branch prediction.
5498 * config/rs6000/rs6000.md: Use output_cbranch for
5499 conditional branches and returns.
5501 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5503 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5504 * stor-layout.c (place_field): Likewise.
5505 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5506 * expr.c (store_expr): Make align unsigned.
5507 * explow.c (plus_constant_wide): Make low words unsigned.
5508 * expmed.c (choose_multiplier): Likewise.
5509 * fold-const.c (fold): Likewise.
5510 * tree.h (build_int_2): Likewise.
5511 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5512 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5513 (init_emit): Change cast to unsigned char*.
5514 * varasm.c (compare_constant_1): Add cast to char*.
5515 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5516 * reload1.c (reload): Likewise.
5518 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5520 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5522 * predict.c (estimate_probability): If no prediction was found, then
5523 predict the successor that is the next physical block (if such a
5526 2000-05-04 Richard Henderson <rth@cygnus.com>
5528 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5530 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5532 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5534 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5536 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5537 attribute macros from here ...
5538 (CPP_SPEC): to here.
5539 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5540 (CPP_SPEC): Likewise.
5541 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5543 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5544 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5546 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5548 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5550 * diagnostic (vbuild_message_string, build_message_string,
5551 build_location_prefix, output_get_prefix, init_output_buffer,
5552 output_notice, vline_wrapper_message_with_location,
5553 v_message_with_decl, default_print_error_function): De-constify.
5554 (set_real_maximum_length): Prototype.
5556 * diagnostic.h (struct output_buffer, init_output_buffer,
5557 output_get_prefix, output_set_prefix): De-constify.
5559 * function.c (init_function_start): Constify.
5561 * gensupport.c (remove_constraints, process_rtx): Prototype.
5563 * gthr-posix.h: Indent uses of #pragma.
5565 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5568 * predict.c (find_expected_value): Delete prototype.
5569 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5571 * sbitmap.h (debug_sbitmap): Prototype.
5573 * ssa.c (compute_coalesced_reg_partition): Prototype.
5575 * stor-layout.c (debug_rli): Prototype.
5577 * tree.h (round_down): Prototype.
5578 (init_function_start): Constify.
5580 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5582 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5583 (overly conservative). Change extern inline wrappers to
5584 static inline, define them always, use PARAMS properly.
5585 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5586 whitespace warnings for \f and \v at the beginning of a line.
5588 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5590 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5593 2000-05-04 Bruce Korb <bkorb@gnu.org>
5595 * fixincl/inclhack.def: added broken_cabs -
5596 Remove `extern double cabs' declarations from math.h
5597 * fixincl/inclhack.sh: regen
5598 * fixincl/fixincl.x: regen
5599 * fixincl/fixincl.c: Remove BOGOSITY code
5600 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5602 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5604 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5606 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5607 when calling MEM_COPY_ATTRIBUTES.
5608 * emit-rtl.c (operand_subword, change_address): Likewise.
5609 * explow.c (stabilize): Likewise.
5610 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5611 * integrate.c (copy_rtx_and_substitute): Likewise.
5612 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5613 when calling MEM_COPY_ATTRIBUTES.
5614 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5616 * cse.c (gen_lowpart_if_possible): Likewise.
5617 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5618 * optabs.c (gen_move_insn): Likewise.
5619 * recog.c (validate_replace_rtx_1): Likewise.
5620 * simplify-rtx.c (add_mem_for_addr): Likewise.
5621 * stmt.c (expand_anon_union_decl): Likewise.
5622 * config/arm/arm.md: Likewise.
5623 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5624 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5625 (block_move_no_loop, block_move_sequence): Likewise.
5626 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5627 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5628 Clear MEM_ALIAS_SET.
5629 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5630 MEM_COPY_ATTRIBUTES.
5632 2000-05-03 Robert Lipe <robertlipe@usa.net>
5634 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5635 to suppress libgcc1.
5636 (i[34567]86-*-sco3.2v5*) Likewise.
5637 (i[34567]86-*-sco3.2v4*) Likewise.
5638 (i[34567]86-*-sco) Likewise.
5639 (i[34567]86-*-solaris2) Likewise.
5640 (i[34567]86-*-sysv5*) Likewise.
5641 (i[34567]86-*-sysv4*) Likewise.
5642 (i[34567]86-*-udk*) Likewise.
5643 (i[34567]86-*-sysv*) Likewise.
5645 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5647 * cpphash.h (U): New define, to correct type of string constants.
5648 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5649 routines, to do casts when passing unsigned strings to libc.
5650 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5652 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5653 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5654 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5655 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5656 second argument an U_CHAR *.
5658 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5659 length field, clean up initializer.
5660 (ISTABLE): Add __extension__ to designated-
5661 initializers version.
5662 * cpplex.c (CHARTAB): Likewise.
5664 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5665 case so the file won't be empty.
5667 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5669 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5670 (REORDER_BLOCK_SUCC): Removed.
5671 (enum reorder_skip_type): Removed.
5672 (skip_insns_between_block): Renamed to skip_insns_after_block.
5673 Removed second argument. Removed dead code and cleaned up.
5674 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5675 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5676 second parameter to skip_insns_after_block.
5678 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5680 * tree.c (staticp, case LABEL_DECL): New case.
5682 2000-05-03 Richard Henderson <rth@cygnus.com>
5684 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5686 * mklibgcc1.in: Fix typo last change.
5688 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5690 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
5691 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
5692 (GCC_CFLAGS): Use it.
5693 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
5694 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
5695 objc/Make-lang.in: Use it.
5697 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
5699 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5701 2000-05-03 Richard Henderson <rth@cygnus.com>
5703 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
5704 LIBGCC1 empty with libgcc1.null.
5706 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
5708 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
5711 2000-05-03 Greg McGary <gkm@gnu.org>
5713 * tree.h (tree_common): Add bounded_flag member. Remove
5714 inaccurate comment about number of remaining bits.
5715 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
5716 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
5717 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
5718 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
5719 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
5720 (TYPE_QUAL_BOUNDED): New constant.
5721 (TYPE_QUALS): Handle bounded qualifier.
5722 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
5723 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
5724 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
5725 TYPE_AMBIENT_BOUNDEDNESS): New macros.
5726 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
5727 (tree_type): Add pointer_depth member. Remove
5728 inaccurate comment about number of remaining bits.
5729 (DECL_POINTER_DEPTH): Add macro.
5730 (tree_decl): Add pointer_depth member.
5732 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
5734 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
5735 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
5736 (lshrhi3_out): Likewise.
5737 (ashrsi3_out): bugfix in shift by 8.
5738 (test_hard_reg_class): New function.
5739 * config/avr/avr.md: Bugfix inside conditions in peepholes.
5740 (ashlhi3): removed define_expand of this pattern.
5741 (*ashlhi3_insn): renamed to ashlhi3.
5742 (ashlsi3): removed define_expand of this pattern.
5743 (*ashlsi3_insn): renamed to ashlsi3.
5744 (ashrqi3): removed define_expand of this pattern.
5745 (*ashrqi3_insn): renamed to ashrqi3.
5746 (ashrhi3): removed define_expand of this pattern.
5747 (*ashrhi3_insn): renamed to ashrhi3.
5748 (ashrsi3): removed define_expand of this pattern.
5749 (*ashrsi3_insn): renamed to ashrsi3.
5750 (lshrhi3): removed define_expand of this pattern.
5751 (*lshrhi3_insn): renamed to lshrhi3.
5752 (lshrsi3): removed define_expand of this pattern.
5753 (*lshrsi3_insn): renamed to lshrsi3.
5755 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
5757 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
5758 inclusion of "system.h".
5760 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
5762 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
5765 2000-05-03 David Mosberger <davidm@hpl.hp.com>
5767 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
5768 if -mauto-pic is on.
5769 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
5770 -mconstant-gp is in effect and function-descriptors are being used
5771 to make indirect calls.
5772 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
5773 (MASK_AUTO_PIC): Ditto.
5774 (TARGET_CONST_GP): Ditto.
5775 (TARGET_AUTO_PIC): Ditto.
5776 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
5777 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
5778 -mno-pic is in effect.
5779 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
5780 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
5781 -mauto-pic is in effect.
5782 (gprel64_offset): New pattern.
5783 (load_gprel64): Ditto.
5784 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
5785 -mconstant-gp is in effect, no need to preserve gp around direct
5787 (call_value): Ditto.
5788 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
5789 (FUNCTION_PROFILER): Define.
5790 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
5791 @fptr() directive when -mno-pic or -mauto-pic is in effect.
5792 (ASM_OUTPUT_DESTRUCTOR): Ditto.
5794 2000-05-03 Richard Henderson <rth@cygnus.com>
5796 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
5797 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
5798 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
5799 (mklibgcc, libgcc.mk): New targets.
5800 (libgcc.a): Use libgcc.mk.
5801 (stmp-multilib): Likewise.
5802 (stmp-multilib-sub): Remove.
5803 (mostlyclean): Don't delete libgcc2 temp files.
5804 * configure.in (AC_PROG_CC_C_O): Add.
5805 (NO_MINUS_C_MINUS_O): Substitute it.
5806 (all_outputs): Add mklibgcc.
5807 * mklibgcc.in: New file.
5809 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5811 * cppexp.c (op_t): Make an int.
5813 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
5815 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
5817 * gensupport.c (process_rtx): Fix macros used.
5819 2000-05-03 Richard Henderson <rth@cygnus.com>
5821 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
5822 call-clobbered registers of a call.
5824 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
5826 * gensupport.c: New file.
5827 * gensupport.h: New file.
5828 * Makefile.in (HOST_RTL): Depend on gensupport.
5829 (gensupport.o) New rule.
5830 * genattr.c: Use gensupport for reading .md files.
5831 * genattrtab.c: Ditto.
5832 * gencodes.c: Ditto.
5833 * genconfig.c: Ditto.
5835 * genextract.c: Ditto.
5836 * genflags.c: Ditto.
5837 * genopinit.c: Ditto.
5838 * genoutput.c: Ditto.
5840 * genrecog.c: Ditto.
5841 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
5842 * md.texi (Insn Splitting): Document define_insn_and_split.
5844 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
5846 * flow.c (verify_flow_info): Added two more sanity checks. The
5847 first checks that the blocks are numbered consecutively. The second
5848 checks that n_basic_blocks is actually equal to the number of
5849 basic blocks in the insn chain.
5851 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5853 * cpplib.h: Add accessor macros for token lists.
5854 * cpplib.c, cpphash.c, cpplex.c: Use them.
5856 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5858 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
5859 memory usage if not in a function.
5860 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
5861 return address if static.
5863 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
5865 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
5866 whether address may trap.
5868 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
5870 * bb-reorder (chain_reorder_blocks): Changed code to test for
5871 EDGE_FALLTHRU rather than making erroneous assumption that the
5872 first outgoing edge is the fall-through edge.
5874 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
5876 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
5877 ABI for varargs, across all MIPS. This is incompatible because the
5878 va_list (__builtin_va_list) structure is different, so a compilation
5879 unit passing a va_list and a compilation unit being passed one, should
5880 both be compiled with the same ABI. (The old structure had two
5881 pointers, now it has three.)
5883 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
5885 * bb-reorder.c (struct reorder_block_def): Remove members end,
5886 block_begin, and block_end.
5887 (REORDER_BLOCK_OLD_END): Delete.
5888 (REORDER_BLOCK_BEGIN): Delete.
5889 (REORDER_BLOCK_END): Delete.
5890 (chain_reorder_blocks): Remove dead code.
5892 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
5894 * bb-reorder.c (remove_scope_notes): Check for both types of scope
5895 notes as the end of a basic block before deleting.
5897 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
5899 * final.c (final_start_function): Fix spelling of "necessary".
5901 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
5903 * toplev.c (debug_ignore_block): Return int.
5904 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
5905 * toplev.h, dwarf2out.h: Adjust.
5906 * emit-rtl.c (remove_unnecessary_notes): Test return value.
5908 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
5909 * toplev.c, final.c, rtl.h: Adjust.
5911 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5913 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
5914 * configure.in: Look for makeinfo in the unified tree, then
5915 for a system makeinfo which is sufficiently new.
5916 * Makefile.in: If configure says makeinfo is too old, don't
5917 build or install Info documentation.
5919 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5921 * cpphash.c (collect_params): Fix off-by-one error.
5922 (dump_hash_helper): Dump all four macro nodetypes.
5924 2000-05-02 Jakub Jelinek <jakub@redhat.com>
5926 * cpphash.c (trad_stringify): Adjust p after stringification as
5929 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5931 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
5932 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
5934 * cppfiles.c (file_cleanup): Delete.
5935 * cpphash.c (macro_cleanup): Delete.
5936 (collect_objlike_expansion, collect_funlike_expansion,
5937 macarg, scan_arguments): Remove CPP_POP case.
5939 * cpplex.c (null_cleanup): Delete.
5940 (cpp_pop_buffer): Do the work that was done in the cleanups
5941 here. Call _cpp_unwind_if_stack from here.
5942 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
5943 cpp_scan_buffer): Run until we see CPP_EOF and the top of
5944 stack is the buffer _below_ the one we stacked.
5945 (cpp_get_token): Always pop an exhausted buffer. Return
5946 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
5947 * cpplib.c (skip_if_group): Don't call cpp_get_token to
5948 increment the line number.
5949 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
5951 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
5952 we see CPP_EOF and the top of stack is the buffer _below_ the
5954 * scan-decls.c: Likewise.
5956 2000-05-02 Andrew Haley <aph@cygnus.com>
5958 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
5959 where this function is called for the second time on a decl that
5960 has had its section info changed in such a way as to move it out
5962 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
5964 2000-05-01 Richard Henderson <rth@cygnus.com>
5966 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
5967 the sequence we're moving, not to merge_bb->head.
5969 2000-05-01 Richard Henderson <rth@cygnus.com>
5971 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
5972 reference to alpha/t-linux.
5973 (alpha*-*-linux-gnu*): Likewise.
5974 * configure: Rebuild.
5976 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5978 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
5981 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
5983 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
5985 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
5988 2000-05-01 Richard Henderson <rth@cygnus.com>
5990 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
5991 emit_conditional_move.
5993 2000-05-01 Jakub Jelinek <jakub@redhat.com>
5995 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
5996 as the dynamic linker.
5998 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6000 * cppfiles.c (open_include_file): Open file in blocking mode.
6001 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6002 Only exclude block devices and directories.
6004 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6005 static. Allocate the hashnode and its string in the same
6007 (del_HASHNODE): Don't free h->name.
6008 (_cpp_lookup): If there is no entry for this string, create
6009 one, of type T_VOID.
6010 (_cpp_lookup_slot): Delete.
6011 * cpphash.h: Update prototypes.
6013 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6015 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6016 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6017 node here, just fill in the value field properly. "Delete"
6018 entries by setting the value field to T_VOID. Check for
6019 hp->type == T_VOID, not hp == NULL.
6021 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6022 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6025 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6027 * config/mn10300/mn10300.c (print_operand_address): Do not add
6030 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6031 adjusted by less than 256 bytes, use ret regardless of having any
6032 callee-saved register to restore.
6034 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6036 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6038 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6040 * config/i386/djgpp.h (INT_ASM_OP): Define.
6041 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6042 (ASM_WEAKEN_LABEL): Define.
6043 (MASK_BNU210): Define.
6044 (SUBTARGET_SWITCHES): Define.
6045 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6046 (MAKE_DECL_ONE_ONLY): Define.
6047 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6049 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6051 * i386/cygwin.h (INT_ASM_OP): Define.
6053 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6055 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6056 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6058 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6060 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6061 __tmp_reg__ and __zero_reg__ initialization.
6063 2000-04-30 Richard Henderson <rth@cygnus.com>
6065 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6067 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6068 referenced bewteen the condition and the jump. Don't delete
6069 anything but the jump.
6071 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6073 * bb-reorder.c (scope_def): New struct.
6074 (scope_forest_info): New struct.
6075 (struct reorder_block_def): New member "scope".
6076 (REORDER_BLOCK_SCOPE): New macro.
6077 (relate_bbs_with_scopes): New function and prototype.
6078 (make_new_scope): Likewise.
6079 (build_scope_forest): Likewise.
6080 (remove_scope_notes): Likewise.
6081 (insert_intra_1): Likewise.
6082 (insert_intra_bb_scope_notes): Likewise.
6083 (insert_inter_bb_scope_notes): Likewise.
6084 (rebuild_scope_notes): Likewise.
6085 (free_scope_forest_1): Likewise.
6086 (free_scope_forest): Likewise.
6087 (dump_scope_forest): Likewise.
6088 (dump_scope_forest_1): Likewise.
6089 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6090 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6092 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6093 and remove_scope_notes before reordering is done. Added calls to
6094 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6095 after reordering is done.
6097 2000-40-30 Bruce Korb <bkorb@gnu.org>
6099 * fixinc/inclhack.def: Added definitions needed by OSR5,
6100 removed two stale entries (defined away with OLD_CPP).
6101 * fixinc/inclhack.sh: regen
6102 * fixinc/fixincl.x: regen
6104 2000-04-30 Richard Henderson <rth@cygnus.com>
6106 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6107 from the last insn in the sequence.
6109 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6111 * cpplex.c (cpp_idcmp): New function.
6112 * cpplib.h: Prototype it.
6113 * scan_decls.c (scan_decls): Use it to inspect token names.
6114 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6115 the file being run through the preprocessor.
6116 (check_macro_names): Provide length of token to cpp_defined.
6118 * Makefile.in: Remove stale warning message.
6120 * cppfiles.c (redundant_include_p): Provide length of token to
6122 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6123 values are unsigned int.
6124 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6125 (_cpp_lookup_slot): Do not calculate the hash, either.
6126 * cpphash.h: Update prototypes.
6127 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6128 Hashes are unsigned int. Calculate hash here, pass by value
6129 to _cpp_lookup_slot.
6131 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6133 * simplify-rtx.c (check_value_useless): Delete function.
6134 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6136 (cselib_invalidate_regno): Likewise.
6137 (cselib_invalidate_mem_1): Likewise.
6138 (references_value_p): Recognize useless values by the fact that they
6140 (discard_useless_values): Likewise.
6141 (cselib_record_set): This may turn a useless value
6144 2000-04-30 Richard Henderson <rth@cygnus.com>
6146 * config/d30v: New port.
6148 * configure.in (d30v-*): Set fp format.
6149 * configure: Rebuild.
6151 2000-04-30 Richard Henderson <rth@cygnus.com>
6153 * ifcvt.c: New file.
6154 * Makefile.in (OBJS): Add it.
6155 (ifcvt.o): New target.
6156 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6157 and conditional arithmetic.
6158 (find_insert_position): Remove.
6159 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6160 * toplev.c (DFI_ce, DFI_ce2): New.
6161 (dump_file): Add ce and ce2 dumps.
6162 (rest_of_compilation): Run if_convert a couple o times. Set
6163 cse_not_expected after cse2. Don't set no_new_pseudos until
6164 after sched1 or recompute_reg_usage.
6166 2000-04-30 Richard Henderson <rth@cygnus.com>
6168 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6169 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6171 2000-04-30 Richard Henderson <rth@cygnus.com>
6173 * flow.c (struct reg_cond_life_info): New.
6174 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6175 (init_propagate_block_info): Initialize them.
6176 (free_propagate_block_info): Destruct them.
6177 (mark_set_1): Consider conditional life before killing a register.
6178 (mark_regno_cond_dead): New.
6179 (free_reg_cond_life_info): New.
6180 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6181 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6182 (mark_used_reg): Record conditional life.
6184 * haifa-sched.c (schedule_insns): Disable death counting
6185 sanity check for HAVE_conditional_execution.
6187 2000-04-30 Richard Henderson <rth@cygnus.com>
6189 * Makefile.in (TIMEVAR_H): New.
6190 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6191 (timevar.h): Remove rule.
6193 2000-04-29 Richard Henderson <rth@cygnus.com>
6195 * config/alpha/crtend.asm: Use C comments instead of #.
6196 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6198 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6200 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6202 * cpphash.h (enum node_type: Take out T_MCONST.
6203 (union hashval): Move into struct hashnode.
6204 (struct hashnode): Pack tighter. Remove file, line, col
6206 * cpphash.c: Constify most of the macro-definition structures.
6207 (struct definition): Replace by struct object_defn
6208 and struct funct_defn. Put file, line, column information
6209 here. All users updated to match.
6210 (_cpp_create_definition, _cpp_macroexpand): Remove special
6211 case for #define WORD OTHERWORD.
6212 * cpplib.c (do_undef): Remove T_MCONST case.
6214 * cpphash.h: Move struct reflist, struct definition, and the
6215 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6216 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6217 * cpphash.c (_cpp_free_definition): Free data pointed to by
6218 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6219 (_cpp_create_definition, del_HASHNODE): Just call
6220 _cpp_free_definition to clear out a hashnode.
6221 * cpplib.c (do_pragma_poison): Likewise.
6223 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6225 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6226 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6227 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6228 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6229 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6230 REGNO_AM33_P): Redefine in terms of the new macros.
6231 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6232 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6233 STRUCT_VALUE): Likewise.
6234 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6235 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6237 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6239 * regmove.c (struct record_stack_memrefs_data): New.
6240 (record_stack_memrefs): New function.
6241 (combine_stack_adjustments_for_block): Use it.
6243 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6245 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6246 use special_function_p to detect alloca.
6248 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6250 * gcc.texi: Fixes for makeinfo 4.0 --html.
6252 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6254 * pcp.h: Delete file.
6256 2000-04-28 Kazu Hirata <kazu@hxi.com>
6258 * h8300.c (function_epilogue): Clean up flags when the last insn
6259 in a function is a barrier.
6261 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6263 * configure.in (sparc-hal-solaris2*): protect [] glob from
6265 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6266 rather than hard-coded constants in target_cpu_default2.
6267 * configure: Regenerate.
6269 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6271 * tree.c (get_callee_fndecl): Extract the initial value from
6274 2000-04-28 Richard Henderson <rth@cygnus.com>
6276 * varasm.c (record_constant_1): Record the CODE_LABEL when
6277 taking the address of a LABEL_REF.
6279 2000-04-28 Richard Henderson <rth@cygnus.com>
6280 Jan Hubicka <jh@suse.cz>
6282 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6283 adjustment; don't do the stack adjust.
6284 (expand_call): Call compute_argument_block_size right before
6285 allocating the block; update comment; don't do alignment sanity
6286 checking for sibling call; use args_size instead of
6287 unadjusted_args_size before args_size is adjusted. Use
6288 combine_pending_stack_adjustment_and_call to compute stack adjust
6289 for must_preallocate case.
6291 * expr.c (push_block): Remove shadow `temp' in inner scope.
6293 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6295 * toplev.c (rest_of_compilation): Call
6296 note_deferral_of_defined_inline_function even if the function
6299 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6301 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6303 2000-04-28 Richard Henderson <rth@cygnus.com>
6305 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6307 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6309 * timevar.c (init_timevar): DeANSIfy function definition.
6311 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6313 * Makefile.in (timevar.o): Depend on flags.h.
6314 * timevar.c (unused_stack_instances): New variable.
6315 (timevar_push): Take a timevar_stack_def from
6316 unused_stack_instances if available.
6317 (timevar_pop): Push the popped timevar_stack_def onto
6318 unused_stack_instances.
6319 (TIMEVAR_ENABLE): New macro.
6320 (timevar_def): Make standalone a 1-bit field. Add field used.
6321 (get_time): Rename parameter to now. Return after clearing it if
6323 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6324 (timevar_pop): Likewise.
6325 (timevar_stop): Likewise.
6326 (timevar_push): Likewise. Mark the timing variable as used.
6327 (timevar_start): Likewise.
6328 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6329 timevars that were never used.
6331 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6333 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6334 always TREE_READONLY.
6336 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6338 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6339 for call instruction with mode QImode.
6341 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6343 * Makefile.in (OBJS): Add timevar.o.
6344 (toplev.o): Depend on timevar.h.
6345 (ggc-simple.o): Likewise.
6346 (ggc-page.o): Likewise.
6347 (timevar.o): New rule.
6348 (timevar.h): New rule.
6350 * timevar.h: New file.
6351 * timevar.c: Likewise.
6352 * timevar.def: Likewise.
6354 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6355 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6357 (TIMEVAR): Remove macro.
6358 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6359 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6360 flow_time, combine_time, regmove_time, sched_time,
6361 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6362 sched2_time, dbr_sched_time, reorder_blocks_time,
6363 rename_registers_time, shorten_branch_time, stack_reg_time,
6364 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6366 (compile_file): Don't initialize time variables. Call
6367 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6368 of many calls to print_time.
6369 (rest_of_compilation): Add timing for reload_cse_regs.
6370 (get_run_time): Removed to timevar.c.
6371 (print_time): Likewise.
6372 (get_run_time): Implement using TV_TOTAL time variable.
6373 (print_time): Get total run time from get_run_time.
6374 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6375 computing elapsed time explicitly.
6376 * ggc-simple.c (ggc_collect): Likewise.
6377 (gc_time): Remove declaration.
6379 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6381 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6382 (expand_call): Use it.
6384 2000-04-27 Jan Hubicka <jh@suse.cz>
6386 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6389 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6391 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6394 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6396 * function.c (epilogue_done): Pass whole insn to record_insns.
6398 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6400 * cse.c (CSE_ADDRESS_COST): Remove.
6401 (find_best_addr): Add new parameter "MODE", use address_cost instead
6403 (address_cost): New.
6404 (fold_rtx): Update call of find_best_addr.
6405 * rtl.h (address_cost): Declare.
6406 * loop.c (general_induction_var): Add new parameter "MODE", use
6407 address_cost instead of ADDRESS_COST
6408 (init_loop): Use address_cost instead of ADDRESS_COST.
6409 (check_insn_for_givs): Update call of general_induction_var.
6410 (find_mem_givs): Likewise.
6411 (consec_sets_giv): Likewise.
6412 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6413 * i386.c (ix86_address_cost): New.
6414 * i386-protos.h (ix86_address_cost): Declare.
6416 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6418 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6421 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6423 * expr.c (store_expr): Use clear_storage instead of direct memset
6426 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6428 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6429 ASHIFT, AND and LABEL_REF.
6431 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6433 * invoke.texi (-foptimize-sibling-calls): Fix.
6435 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6437 * loop.c (load_mems) Don't use hard registers for the hoisting.
6439 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6440 calculation; rename const_equiv array in the preconditioning code
6441 from loop_unroll to loop_unroll_precondition
6443 2000-04-27 Richard Henderson <rth@cygnus.com>
6445 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6447 (propagate_one_insn): Clear it. Don't update reg_live here.
6448 (init_propagate_block_info): Update for pbi member changes.
6449 (free_propagate_block_info): Likewise.
6450 (mark_set_1): Know that zero_extract, sign_extract, and
6451 strict_low_part don't kill their argument. Alter hard subregs.
6452 Update new_set for non-CLOBBER sets. Update reg_live.
6453 (find_auto_inc): Update reg_live, not new_dead.
6454 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6455 to determine if the reg in question was set this insn. Only update
6456 reg info with PROP_REG_INFO.
6458 2000-04-26 Richard Henderson <rth@cygnus.com>
6460 * flow.c (allocate_reg_life_data): Set max_regno here ...
6461 (life_analysis): ... not here.
6463 * flow.c (calculate_global_regs_live): Force stack pointer
6466 2000-04-26 Richard Henderson <rth@cygnus.com>
6468 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6469 commit change group changes.
6470 (invert_exp_1): Similarly.
6471 (redirect_exp, invert_exp): Use them.
6472 (redirect_jump_1): New.
6473 (invert_jump_1): New.
6474 (jump_optimize_1): Remove code subsumed by condexec.c.
6475 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6477 2000-04-26 Richard Henderson <rth@cygnus.com>
6479 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6481 * genconfig.c (main): Set all HAVE_foo to 1.
6483 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6485 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6487 * invoke.texi: Document -fssa flag.
6489 2000-04-26 Richard Henderson <rth@cygnus.com>
6491 * flow.c (count_reg_sets_1): Remove.
6492 (count_reg_sets, count_reg_references): Remove.
6493 (recompute_reg_usage): Implement with update_life_info.
6494 Reallocate life data.
6496 2000-04-26 Richard Henderson <rth@cygnus.com>
6498 * flow.c (update_life_info): Consider blocks null to mean the
6500 (calculate_global_regs_live): Likewise.
6501 (life_analysis): Do that instead of collecting all_blocks.
6503 2000-04-26 Richard Henderson <rth@cygnus.com>
6505 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6506 a still-valid conditional jump.
6508 2000-04-26 Richard Henderson <rth@cygnus.com>
6510 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6512 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6513 * flow.c (calculate_loop_depth): Remove.
6514 * output.h (calculate_loop_depth): Don't declare.
6515 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6516 inline; run estimate_probability at the same time.
6518 2000-04-26 Neil Booth <NeilB@earthling.net>
6520 * cpplib.h: "~=" is not a single pp-token.
6521 * cpplex.c: Correct commentary.
6523 2000-04-26 Richard Henderson <rth@cygnus.com>
6525 * flow.c (mark_set_1): New arguments code and flags; update all
6526 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6527 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6528 loop_depth when optimizing for size. Do new_dead update after
6529 emitting REG_UNUSED notes. Merge mark_set_reg code.
6530 (mark_set_reg): Remove.
6531 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6532 arrange to not emit REG_UNUSED notes.
6534 2000-04-26 Richard Henderson <rth@cygnus.com>
6536 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6537 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6539 2000-04-26 Richard Henderson <rth@cygnus.com>
6541 * flow.c (propagate_one_insn): Break out from propagate_block.
6542 (init_propagate_block_info): Likewise.
6543 (free_propagate_block_info): Likewise.
6544 (propagate_block): Use them. Export.
6545 * basic-block.h: Declare them all.
6547 2000-04-26 Richard Henderson <rth@cygnus.com>
6549 * basic-block.h (life_analysis): Declare here ...
6550 * output.h: ... not here.
6551 * flow.c (life_analysis): Remove nregs parameter; replace
6552 remove_dead_code with flags. Remove ssa dead code check.
6553 Only init alias analysis if we'll use it.
6554 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6555 * ssa.c (convert_to_ssa): Likewise.
6556 (convert_from_ssa): Likewise.
6557 * toplev.c (rest_of_compilation): Likewise.
6559 2000-04-26 Richard Henderson <rth@cygnus.com>
6561 * flow.c (flow_delete_block): Rename from delete_block. Export.
6562 * basic-block.h (flow_delete_block): Declare.
6564 2000-04-26 David S. Miller <davem@redhat.com>
6566 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6567 taking a PATTERN of it.
6569 2000-04-26 <NeilB@earthling.net>
6571 * cpplex.c (spell_other, spell_char): Remove.
6573 (token_spelling, trigraph_map): Use unsigned chars.
6574 (_cpp_lex_line): Tidy up the switch statement.
6575 * cpplib.h: Implement spell_char with spell_string.
6578 2000-04-26 <RodneyBrown@pmsc.com>
6580 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6581 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6583 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6585 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6586 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6587 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6588 dwarf2out_return_save, dwarf2out_return_reg,
6589 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6590 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6591 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6593 * dwarf2out.h (dwarf2out_init): Likewise.
6595 * dwarfout.c (filename_entry, primary_filename, last_filename,
6596 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6598 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6599 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6600 dwarf2out_return_reg): Likewise.
6602 2000-04-26 Andreas Jaeger <aj@suse.de>
6604 * extend.texi (Function Attributes): Fix description of pure
6607 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6609 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6610 before calling rest_of_compilation.
6612 2000-04-26 Andreas Jaeger <aj@suse.de>
6614 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6617 2000-04-25 Richard Henderson <rth@cygnus.com>
6619 * cse.c (cse_insn): Emit barrier after unconditional jump.
6621 * calls.c (expand_call): Disable tail call generation once
6622 rtx_equal_function_value_matters is false.
6624 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6627 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6629 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6631 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6633 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6634 is the primary DIE for a member function.
6635 (gen_decl_die): Call set_decl_origin_self here.
6636 * dwarfout.c (output_decl): And here.
6637 * integrate.c (output_inline_function): Not here.
6638 Don't clear DECL_INLINE until after calling rest_of_compilation.
6639 (set_decl_origin_self): No longer static.
6640 * tree.h: Add prototype.
6641 * toplev.c (note_deferral_of_defined_inline_function): Only write
6642 out abstract instance for actual inlines.
6644 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6646 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6647 EXTENDED_REGS only if TARGET_AM33.
6648 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6649 SP_REGS to register allocation and reloading unless absolutely
6651 (movsi3): Remove special-case of adding non-constants to SP.
6653 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6655 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6656 INCLUDES to search and does not provide any of its own. Also it
6657 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6658 parameters. Also it does not call AC_DEFINE.
6659 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6660 AC_DEFINE and provides for automatic entries for autoheader.
6661 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6663 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6664 so we can pass -I flags and include gansidecl.h/system.h in this
6667 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6669 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6671 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6672 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6673 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6675 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6676 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6677 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6678 for these macros. Clean up spacing and linewraps.
6680 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6682 * calls.c (expand_call): Use get_callee_fndecl.
6684 * print-tree.c (print_node): Print the chain of an _EXPR.
6686 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6687 Jim Wilson <wilson@cygnus.com>
6688 Andrew Haley <aph@cygnus.com>
6690 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
6691 and gp save/restore problems.
6692 * config/ia64/crtend.asm: Add IA-64 unwind support.
6693 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
6694 in fr_pad_size calculation.
6695 (save_restore_insns): Move PR save area. Correct uses of
6696 RTX_FRAME_RELATED_P.
6697 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
6698 (ia64_expand_epilogue): Add eh_epilogue support.
6699 (ia64_function_prologue): Emit .prologue directive.
6700 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
6701 (ia64_override_options): Set init_machine_status and
6702 mark_machine_status.
6703 (rtx_needs_barrier): Handle bsp reads and writes.
6704 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
6705 New static variables.
6706 (process_set, process_for_unwind_directive): New functions.
6707 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
6708 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
6709 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
6711 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
6712 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
6713 (struct machine_function): Define.
6714 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6716 2000-04-25 Bruce Korb <bkorb@gnu.org>
6718 * fixinc/Makefile.in: make the removal of old programs more
6720 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
6721 install-bin and install-sh
6723 2000-04-25 Nick Clifton <nickc@cygnus.com>
6725 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
6726 defined, define to return zero.
6727 (function_cannot_inline_p): If a function has any target
6728 specific attributes, then use the macro
6729 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
6730 whether it can be inlined. If it cannot, issue a suitable
6733 * tm.texi: Add a new node 'Inlining' to document the new macro
6734 FUNCTION_ATTRIBUTE_INLINABLE_P.
6736 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
6738 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6741 2000-04-25 Neil Booth <NeilB@earthling.net>
6743 Restore previous patch, plus the following fixes:
6745 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
6746 flags, not CPP_OPEN_PAREN.
6747 * cpplex.c (expand_token_space, init_token_list,
6748 cpp_free_token_list): Put the dummy token at list->tokens[-1].
6749 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
6751 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6753 * config/i386/freebsd.h (INT_ASM_OP): Define.
6755 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
6757 * loop.c (strength_reduce): Fix typo in the last checkin.
6759 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6761 * stor-layout.c (finalize_record_size): Simplify to use existing
6763 (compute_record_mode): No longer static.
6764 * tree.h (compute_record_mode): New declaration.
6766 2000-04-25 Neil Booth <NeilB@earthling.net>
6768 * Revert my patch below until cause of build failures
6771 2000-04-25 Richard Henderson <rth@cygnus.com>
6773 * combine.c (combine_instructions): Add missing argument
6776 * toplev.c (rest_of_compilation): Delay sibcall optimization
6777 until after emit_eh_context.
6779 2000-04-24 Nick Clifton <nickc@redhat.com>
6781 * combine.c (combine_instructions): Do not try to combine a
6782 sequence of insns when the second insn has been replaced by a
6785 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
6787 * gcc.c (load_specs): New static function.
6788 (read_specs): Use it.
6790 * gcc.c (lookup_compiler): Make multiple passes for case
6791 insensitive filesystems.
6793 2000-04-24 Neil Booth <NeilB@earthling.net>
6795 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
6796 * cpphash.h (_cpp_check_directive): new.
6797 * cpplex.c (handle_newline, cpp_free_token_list,
6798 init_trigraph_map, trigraph_ok, trigraph_replace,
6799 backslash_start, skip_block_comment, skip_line_comment,
6800 skip_whitespace, parse_name, parse_number, parse_string,
6801 copy_comment, _cpp_lex_line, spell_char, spell_string,
6802 spell_comment, spell_name, spell_other, _cpp_lex_file,
6803 _cpp_output_list): new.
6804 (expand_name_space): take length argument.
6805 (init_token_list): add comment list initialisation.
6806 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
6807 instead of HSPACE_BEFORE.
6809 * cpplib.c (_cpp_check_directive): new
6810 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
6811 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
6812 (HSPACE_BEFORE): delete.
6813 (TTYPE_TABLE): rearrange.
6814 (struct cpp_toklist): update.
6816 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6818 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
6819 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
6820 argument form of AC_DEFINE.
6822 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
6823 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
6824 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
6825 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
6826 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
6828 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
6830 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6832 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
6833 deduced.h): Use -isystem, not -I, for including system headers.
6835 2000-04-24 Nick Clifton <nickc@cygnus.com>
6837 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
6838 the source register is the frame pointer or arg pointer.
6839 (addsi3_small_int): Disallow if source register is the frame
6840 pointer or arg pointer.
6842 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6844 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
6845 call to AC_MSG_RESULT.
6847 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6849 * invoke.texi: Correct grammatical errors, document
6850 -fno-gnu-keywords as identical to -fno-asm for C++.
6852 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6854 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
6855 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
6856 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
6857 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
6858 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
6860 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
6861 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
6862 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
6863 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
6866 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
6868 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
6869 (pop_alignment): Likewise.
6870 (handle_pragma_token): Likewise.
6872 2000-04-24 Robert Lipe <robertlipe@usa.net>
6874 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
6876 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
6878 * combine.c (try_combine): Update reg_nonzero_bits of
6879 newi2pat before newpat.
6881 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
6883 * loop.c (strength_reduce): Simplify test to INSN_P.
6884 (record_giv): Attempt to simplify the add value, use CONSTANT_P
6885 expressions instead of CONST_INT.
6886 (express_from_1): Likewise.
6888 2000-04-24 Mark Mitchell <mark@codesourcery.com>
6890 * regs.h (reg_n_max): Don't declare.
6891 * flow.c (reg_n_max): Don't define.
6892 * regclass.c (renumber): Don't initialize to zero.
6893 (regno_allocated): Likewise.
6894 (reg_n_max): Define.
6895 (allocate_reg_info): Don't initialize unnecessarily.
6897 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
6899 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
6900 and blockage_p in the newly allocated attribute.
6902 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
6904 * config/mn10300/mn10300.md (addsi): `inc4' on address
6905 registers does not modify cc, but `inc' on an extended
6908 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
6910 * reload.c (find_equiv_reg): Checks all valueno regs
6911 as a reload_reg_p regs.
6913 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6915 * cpphash.c (collect_objlike_expansion): Add sanity check.
6916 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
6917 the buffer is the empty string, return. Mark __DATE__ and
6918 __TIME__ as XCONST nodes, not MCONST.
6919 (_cpp_macroexpand): Avoid pushing an empty buffer.
6920 (funlike_macroexpand): Don't pop token_buffer here.
6922 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
6924 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
6925 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
6926 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
6927 (REGNO_OK_FOR_BASE_P): Define in terms of them.
6928 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
6929 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
6930 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
6932 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6934 * loop.c (simplify_giv_expr): Be more agressive on simplifying
6937 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6939 * cpphash.h (struct definition): Move file, line, col members...
6940 (struct hashnode): ... here. Also add 'disabled' flag.
6941 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
6942 T_IDENTITY. Remove T_DISABLED.
6945 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
6946 (collect_expansion): Split into collect_objlike_expansion and
6947 collect_funlike_expansion.
6948 (_cpp_macroexpand): Split out scan_arguments, stringify, and
6949 funlike_macroexpand.
6950 (_cpp_compare_defs): Rename compare_defs, make static.
6951 (_cpp_make_hashnode): Initialize hp->disabled.
6952 (macro_cleanup): Adjust for new token types. Clear
6954 (_cpp_create_definition): Move code here to determine what
6955 sort of macro it is, and code to check for redefinitions, from
6956 do_define. Implement a few simple cases without creating a
6958 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
6959 Handle the simple cases.
6960 (push_macro_expansion): Set buf->has_escapes and hp->disabled
6963 * cppinit.c (builtin_array): Change MCONST to XCONST
6965 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
6966 fix check for disabled and function-like macros.
6967 * cpplib.c (do_define): Move most logic to
6968 _cpp_create_definition.
6969 (do_undef): Handle new special token types.
6971 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
6973 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
6974 of CONSTANT_P for mult_val; always use validate_change to update insn.
6976 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
6978 * cpphash.c (trad_stringify, add_pat): New functions.
6979 (collect_expansion): Restore support for -traditional syntax.
6980 Use trad_stringify and add_pat.
6981 (_cpp_macroexpand): Restore support for -traditional semantics.
6982 * cpplex.c (_cpp_scan_line): Don't change space_before if we
6983 get a COMMENT token.
6984 (_cpp_lex_token): Provide COMMENT tokens to caller if
6985 traditional and parsing_define_directive.
6986 (skip_comment): Warn about // comments if -Wtraditional.
6987 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
6989 (do_undef): Don't warn about undefining EMPTY nodes.
6991 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6993 * loop.c (strength_reduce): Fix biv removal code.
6995 2000-04-22 Richard Henderson <rth@cygnus.com>
6997 * predict.c (estimate_probability): Examine both sides of
6998 a branch for no exits. Use 90% not 50% for predict taken.
6999 Reorg for one copy of note generation code.
7001 2000-04-22 Richard Henderson <rth@cygnus.com>
7003 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7005 2000-04-22 Richard Henderson <rth@cygnus.com>
7007 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7008 (output_clear): Likewise.
7009 (output_printf): Use va_copy.
7010 (vline_wrapper_message_with_location): Likewise.
7011 (v_message_with_decl): Likewise.
7012 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7013 * system.h (va_copy): Provide default implementation.
7015 2000-04-22 Richard Henderson <rth@cygnus.com>
7017 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7018 the collected condition is not a constant.
7020 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7022 * diagnostic.h: New file.
7024 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7026 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7027 various function prototypes.
7028 (diagnostic.h): #include.
7029 (struct output_buffer): Move into diagnostic.h.
7030 (get_output_prefix): Rename to output_get_prefix. Export.
7031 (init_output_buffer): Export. Break out. Ajust intialization.
7032 (output_space_left, output_append): Export.
7033 (output_newline): Rename to output_add_newline. Export.
7034 (output_clear): Nullify additional output_buffer fields.
7035 (output_puts): Rename to output_add_string. Export.
7036 (dump_output): Rename to output_flush_on. Export.
7037 (build_location_prefix): Constify return-type.
7038 (emit_output_prefix): Rename to output_emit_prefix. Export.
7039 (set_real_maximum_length): New function.
7040 (output_set_maximum_length): Ditto
7041 (output_clear): Ditto.
7042 (output_add_character): Ditto.
7043 (output_add_integer): Ditto.
7044 (output_add_space): Ditto.
7045 (output_format): Ditto.
7046 (output_printf): Adjust buffer initialization.
7047 (vline_wrapper_message_with_location): Ditto.
7048 (v_message_with_decl): Ditto. Adjust call to output_puts
7049 and get_output_prefix.
7050 (default_print_error_function): Adjust buffer intialization.
7052 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7054 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7057 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7059 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7062 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7064 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7065 accurate data about SP moves.
7067 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7069 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7070 aliases to AM33 registers.
7072 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7074 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7075 to all EXTENDED bitmaps.
7077 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7079 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7080 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7081 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7083 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7085 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7086 the operand is not constant.
7088 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7090 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7091 as a call-clobbered regs.
7093 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7095 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7097 * rtl.def: Update comment.
7098 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7099 * integrate.c (expand_inline_function): Likewise.
7100 * profile.c (branch_prob): Likewise.
7101 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7102 * print-rtl.c (print_rtx): Likewise.
7103 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7104 (reemit_notes): Likewise; also use enum insn_note.
7106 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7107 (place_field): Properly compute know and actual alignment.
7109 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7112 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7115 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7117 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7118 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7119 (collect_expansion): Rewrite to scan over a token list.
7120 Remove -traditional support.
7121 (collect_formal_parameters): Rename to collect_params; rewrite
7122 to scan over a token list.
7123 (_cpp_create_definition): Adjust to scan a token list.
7124 (_cpp_macroexpand): Remove -traditional support.
7125 (_cpp_compare_defs): Whitespace is now canonicalized.
7126 (comp_def_part): Delete function.
7128 * cpphash.h: Update prototypes.
7129 * cpplex.c (init_token_list): Don't set lineno if there is no
7131 (pedantic_whitespace): New function.
7132 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7133 consume a newline. Use pedantic_whitespace.
7134 (_cpp_lex_token): Remove support for -traditional macros.
7135 (_cpp_get_define_token): Delete.
7136 (_cpp_get_directive_token): Do the real work here. Use
7137 pedantic_whitespace.
7138 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7140 * cpplib.c (get_macro_name): Delete.
7141 (do_define): Read the entire line into pfile->directbuf, then
7142 feed the token list to _cpp_create_definition.
7143 * cpplib.h (HSPACE_BEFORE): new define.
7144 (struct cpp_reader): Add a toklist member, "directbuf".
7146 * predict.c (estimate_probability): New heuristic: if a jump
7147 branches around a block with no successors, predict it taken.
7148 Disentangle control flow.
7150 2000-04-20 Richard Henderson <rth@cygnus.com>
7152 * loop.c (emit_iv_add_mult): Revert last change.
7154 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7156 * cpplib.h (enum cpp_ttype): Add token types for all
7157 punctuators. Distinguish pp-numbers from valid C numbers.
7158 Give some tokens better names. Initialize from macro.
7159 (struct cpp_name, cpp_token, cpp_toklist): New data
7162 * cpplex.c (bump_column, expand_name_space,
7163 expand_token_space, init_token_list, cpp_output_list,
7164 _cpp_scan_line): New functions.
7165 (output_line_command): Add third argument, new line number.
7166 * cpphash.h: Update prototypes.
7167 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7170 2000-04-20 Richard Henderson <rth@cygnus.com>
7172 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7174 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7176 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7179 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7181 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7182 REG_EQUAL note explaining the calculated value.
7184 * calls.c (expand_call): Avoid unnecesary precalculation
7185 and outgoing parameters space guarding for sibling calls.
7186 (store_one_arg): Likewise.
7188 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7190 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7191 (rest_of_compilation): Write sibling dump file and account
7192 for time as jump time.
7193 * invoke.texi: Update documentation on dump flags.
7195 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7197 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7199 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7201 * cpphash.c (special_symbol): Represent an empty macro with
7202 "\r \r " not just "\r ".
7203 (_cpp_macroexpand): Correct condition for the foo ( ) special
7205 (unsafe_chars): Handle EOF as second argument.
7206 (push_macro_expansion): Simplify test for removing escape at
7207 end. Do not trim both escapes if there is no text in between.
7209 2000-04-19 Jim Blandy <jimb@redhat.com>
7211 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7212 of PTR_SIZE, when appropriate.
7214 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7216 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7217 (USE_ENUM_BITFIELDS): Fix typo.
7219 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7221 * stor-layout.c (place_field): Set rli->offset_align properly.
7223 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7225 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7226 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7227 PARM_BOUNDARY): Remove unnecessary casts.
7229 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7231 * calls.c (precompute_arguments): Remove must_preallocate and
7233 (expand_call): Update call of precompute_arguments.
7235 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7236 check_insn_for_givs): Break out from ...
7237 (strength_reduce) ... here; use for_every_insn_in_loop to call
7238 check_insn_for_givs.
7239 * loop.h (for_every_insn_in_loop): Declare.
7240 (loop_insn_callback): New type.
7242 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7244 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7247 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7249 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7252 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7254 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7256 * configure.in: Delete --disable-cpplib option and all
7257 references to cpp_main.
7258 * configure: Regenerate.
7259 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7260 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7261 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7262 cpp$(exeext). Add --no-headers to makeinfo command line when
7263 generating INSTALL. Install and uninstall cpp.1 manpage, not
7265 * install.texi: Delete all references to cexp.y/cexp.c.
7266 Delete ancient instructions for compiling GCC on 3b1.
7267 * INSTALL: Regenerate.
7269 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7270 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7271 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7273 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7274 which is no longer tested anywhere.
7276 * cppinit.c (handle_option): Don't run error message through
7279 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7281 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7282 * cpperror.c (hashtab.h): Now include.
7283 * cppexp.c (hashtab.h): Likewise.
7284 * cpplex.c (hashtab.h): Likewise.
7285 * cppfiles.c (hashtab.h): Likewise.
7286 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7287 to htab_find_slot_with_hash.
7288 * cpphash.c (hashtab.h): Now include.
7289 (_cpp_lookup_slot): INSERT is now enum insert_option.
7290 * cpphash.h (_cpp_lookup_slot): Likewise.
7291 * cppinit.c (hashtab.h): Include earlier.
7292 (initialize_builtins): Pass enum to htab_find_slot.
7293 * cpplib.c (hashtab.h): Now include.
7294 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7295 (do_pragma_poison, do_assert): Likewise.
7296 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7297 htab_find_slot_with_hash.
7298 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7299 * tree.c (type_hash_add): Likewise.
7300 (build1): Minor cleanup.
7302 * ggc-common.c: Add missing blanks.
7303 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7304 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7306 * stmt.c (mark_case_node): New function.
7307 (mark_case_nesting): Call it.
7309 * expmed.c (emit_store_flag): If comparing two-word integer
7310 with zero, can optimize NE, EQ, GE, and LT.
7312 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7313 * conflict.c: Minor cleanups.
7314 * optabs.c: Add blank line
7315 * simplify-rtx.c: Minor cleanups.
7317 2000-04-18 Stan Cox <scox@cygnus.com>
7319 * gengenrtl.c (genlegend): Fix misspelling.
7321 2000-04-18 Robert Lipe <robertlipe@usa.net>
7323 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7324 bitfields of the host compiler are not signed quantities.
7325 * config.in: Regenerate.
7326 * configure: Regenerate.
7327 * system.h (USE_ENUM_BITFIELDS): Added.
7328 (ENUM_BITFIELDS): Added.
7329 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7330 (SHORT_ENUM_BUG): Deleted.
7331 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7333 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7334 (CODE_FIELD_BUG): Likewise.
7335 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7337 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7339 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7341 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7344 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7346 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7347 * cpplib.c (do_include, do_import, do_include_next,
7348 read_line_number, detect_if_not_defined): Likewise.
7349 * cpphash.c (collect_expansion): Likewise.
7350 (special_symbol, _cpp_macroexpand): Check return from
7352 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7353 macros. Delete all uses.
7355 * gcc.dg/cpp-mi.c: Add two more test cases.
7356 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7358 2000-04-17 Richard Henderson <rth@cygnus.com>
7360 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7361 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7363 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7365 * function.c (expand_function_start): Use hard_function_value to
7366 compute the RTL to use for DECL_RESULT.
7368 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7370 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7371 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7372 x86_memory_mismatch_stall): New global variables.
7373 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7374 alloved; fix load penalties for Athlon.
7375 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7376 x86_memory_mismatch_stall): Declare.
7377 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7378 TARGET_MEMORY_MISMATCH_STALL): New.
7379 * i386.md (athlon scheduling parameters): Fix latencies according to
7380 Athlon Optimization Manual.
7381 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7383 (fsqrt instruction patterns): Set athlon_decode to direct.
7384 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7385 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7386 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7387 and TARGET_PARTIAL_REGISTER_STALL machines.
7388 (pushdf_nointeger): New pattern.
7389 (pushdf_integer): Rename from pushdf.
7390 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7391 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7393 2000-04-17 Richard Henderson <rth@cygnus.com>
7395 * loop.c (canonicalize_condition): Add WANT_REG argument.
7396 Stop the search if we match it.
7397 * expr.h (canonicalize_condition): Update decl.
7398 * predict.c (expected_value_to_br_prob): Use it. Track last
7399 expected value note.
7400 (find_expected_value): Remove.
7402 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7404 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7406 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7407 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7409 * configure.in: Call AC_FUNC_MMAP_FILE.
7410 * configure: Regenerate.
7411 * config.in: Regenerate.
7413 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7414 * fixinc/fixincl.c: Likewise.
7416 2000-04-17 Richard Henderson <rth@cygnus.com>
7418 * builtins.c (expand_builtin_expect): New.
7419 (expand_builtin): Call it.
7420 * builtins.def (BUILT_IN_EXPECT): New.
7421 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7422 * extend.texi: Document it.
7424 * predict.c (expected_value_to_br_prob): New.
7425 (find_expected_value): New.
7426 * basic-block.h (expected_value_to_br_prob): Declare.
7427 * toplev.c (rest_of_compilation): Invoke it.
7429 * rtl.h (NOTE_EXPECTED_VALUE): New.
7430 (NOTE_INSN_EXPECTED_VALUE): New.
7431 * rtl.c (note_insn_name): Update.
7432 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7433 cases; handle NOTE_INSN_EXPECTED_VALUE.
7435 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7437 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7438 leaf sibcall delay slot if flag_pic.
7439 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7441 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7443 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7445 * fixproto: If fix-header fails, exit with an error.
7447 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7449 * cse.c (struct check_depdendence_data): New.
7450 (check_dependence): New function.
7451 (invalidate): Use check_depdenence.
7453 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7455 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7456 UNITS_PER_WORD is unsigned.
7458 * tree.h (struct tree_common): Remove misleading comment.
7460 2000-04-16 Dave Pitts <dpitts@cozx.com>
7462 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7463 message in quotes. Otherwise, IBM's make program treats the '#' as the
7464 start of a comment and ignores the remainder of the line.
7466 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7468 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7469 * cexp.y (initialize_random_junk): Likewise.
7470 * cppfiles.c (find_include_file): Cast alloca return value.
7471 * cppinit.c (initialize_standard_includes): Likewise.
7472 * cpplib.c (cpp_define, cpp_undef): Likewise.
7473 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7474 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7475 * fold-const.c (CHARMASK): New.
7476 (real_hex_to_f): Use it.
7477 * real.c (CHARMASK): New.
7478 (etoasc, asctoeg): Use it.
7479 (asctoeg): EBCDIC lower case characters preceed upper case.
7481 * i370.c (mvs_add_label): Change spacing for coding conventions.
7482 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7483 outputing case vectors.
7484 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7485 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7486 since vector in in the data CSECT.
7487 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7488 * i370.md (Many patterns): Put the length in the XL directives.
7489 (movdi): Put back STM and MVC in definition.
7490 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7491 pattern using the TCA.
7492 * oe.h (CPP_SPEC): Added to allow trigraphs.
7493 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7494 not support the "long long" type.
7496 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7498 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7500 (mips_reg_mode_ok_for_base_p): Likewise.
7501 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7502 (REG_OK_FOR_INDEX_P): Define unconditionally.
7503 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7504 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7505 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7506 that GET_MODE_SIZE is unsigned.
7507 (mips_reg_mode_ok_for_base_p): Define.
7508 (mips_legitimate_address_p): Likewise. Adjust now
7509 that GET_MODE_SIZE is unsigned.
7510 (block_move_loop): Make the number of bytes unsigned.
7511 (expand_block_move): Likewise.
7512 (function_arg): Make the loop counter unsigned to match the
7515 2000-04-16 Richard Henderson <rth@cygnus.com>
7517 * rtl.h (enum insn_note): New enumeration. Subsume
7518 NOTE_INSN_DELETED and friends.
7519 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7520 * rtl.c (note_insn_name): Tweak string order.
7522 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7524 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7527 * cpplex.c (output_line_command): Remove debugging prints.
7528 (cpp_output_tokens): Don't write out a zero-length buffer or
7529 try to see if it has a newline in it.
7530 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7531 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7532 the end of the loop. Use memmove. Don't read past the end of
7533 the buffer. Remove trailing newlines from error messages.
7535 2004-04-16 Neil Booth <NeilB@earthling.net>
7537 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7538 * cpplib.c: Add new syntax flags to directive table, and
7541 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7543 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7546 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7548 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7549 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7551 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7553 * Makefile.in (ggc-page.o): Now includes toplev.h.
7554 * ggc-page.c (toplev.h): Now included.
7555 (gc_time): Remove declaration.
7556 (ggc_collect): TIME now long.
7557 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7559 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7561 * toplev.c: Make *_time variable long to reduce chance of overflow.
7562 (TIMEVAR): Likewise for `otime'.
7563 (print_time): Arg is now long; compute percentage in FP and round.
7564 * toplev.h (print_time): Arg is long.
7566 * tree.c: Minor whitespace changes.
7568 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7569 * configure: Rebuilt.
7570 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7571 (__fixunsxfDI): Renamed from __fixunsxfdi.
7572 (__fixunsdfDI): Renamed from __fixunsdfdi.
7573 (__fixunssfDI): Renamed from __fixunssfdi.
7574 (__floatdisf): Use proper type in REP_BIT macro.
7575 (__fixunsxfSI): Renamed from __fixunsxfsi.
7576 (__fixunsdfSI): Renamed from __fixunsdfsi.
7577 (__fixunssfSI): Renamed from __fixunssfsi.
7578 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7579 Change location of macros and upper-case some names as above.
7580 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7581 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7583 * varasm.c (assemble_variable): Add cast to remove warning.
7584 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7586 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7587 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7588 region number to -1.
7590 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7592 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7593 call unshare_all_rtl.
7595 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7597 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7599 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7600 Use .s1 not .s0 for all FP instructions.
7602 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7604 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7606 (safe_fwrite, output_line_command): New static functions.
7607 (cpp_expand_to_buffer): Now private to cpplib.
7608 (cpp_scan_buffer): Take a printer.
7610 * cpphash.h: Update prototypes.
7611 * cpplib.h: Update prototypes.
7613 (cpp_buffer): Remove last_nominal_fname.
7614 (cpp_reader): Remove lineno.
7616 * cppmain.c: Use a cpp_printer.
7617 * fix-header.c: No need to inhibit line commands. Call
7618 cpp_start_read with no printer.
7620 * cpperror.c (cpp_notice_from_errno): Provide default name.
7621 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7622 (find_include_file, cpp_read_file): Use make_IHASH.
7623 (file_cleanup): Set control_macro and clear
7624 input_stack_listing_current here.
7625 (_cpp_execute_include): Don't output entering-file marker.
7626 * cpphash.c (special_symbol): Look for the line number in the
7627 buffer, not the reader.
7628 (_cpp_macroexpand): No need to disable line commands.
7629 (_cpp_dump_definition): No need to generate line commands.
7630 (dump_hash_helper): Remove excess newline from output.
7631 * cppinit.c (dump_special_to_buffer): No need to generate line
7633 (cpp_printer_init): New.
7634 (cpp_start_read): Take a printer, and start it up if it's not
7635 NULL. No need to generate line commands.
7636 (cpp_finish): Expect no buffers stacked at all. Take a
7637 printer argument, and flush the output buffer if it's not
7639 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7640 Don't put two hashes at the beginning of an assertion.
7641 (cpp_get_token): Don't increment pfile->lineno or emit line
7642 commands here. Return EOF if there's no buffer when we get
7644 * cpplib.c (do_define, skip_if_group):
7645 No need to disable line commands.
7646 (_cpp_output_line_command): Delete function.
7647 (do_line): Don't emit line commands here, but set things up so
7648 they will be emitted if necessary. Use _cpp_fake_ihash to
7649 make unique nominal_fnames if necessary.
7650 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7651 with 0 for column, not -1.
7652 (_cpp_handle_eof): Don't set the control macro here. Don't
7653 clear input_stack_listing_current here. Don't emit line
7656 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7658 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7659 always, use the default SVR4 start address.
7661 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7662 (LINK_SHLIB_SPEC): Define.
7663 (LINK_START_DEFAULT_SPEC): Define.
7664 (LINK_OS_DEFAULT_SPEC): Define.
7666 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7668 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7669 __do_global_ctors to handle constructors.
7670 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7671 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7672 (STARTFILE_MVME_SPEC): Likewise.
7673 (STARTFILE_SIM_SPEC): Likewise.
7674 (ENDFILE_ADS_SPEC): Use crtend.
7675 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7676 (ENDFILE_MVME_SPEC): Likewise.
7677 (ENDFILE_SIM_SPEC): Likewise.
7678 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7679 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7680 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7681 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7682 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7683 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7684 (CRTSTUFF_T_CFLAGS_S): Define.
7685 * config/rs6000/eabi-ctors.c: Delete.
7687 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7690 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
7694 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
7696 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
7697 plus mask size is smaller or equal to the mode size.
7699 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7701 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
7704 * expr.c (reload.h): Now included.
7705 (emit_block_move): Set volatile_ok when checking for movstr.
7706 (emit_move_1): Check for replacements in addresses in multi-word case.
7707 * Makefile.in (expr.o): Now includes reload.h.
7709 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
7710 Never have a LIBCALL end a basic block.
7711 (find_basic_blocks_1): Likewise.
7712 Reorganize CALL_INSN cases.
7714 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
7716 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7718 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
7719 completers from mov.ret instruction.
7721 2000-04-14 Richard Henderson <rth@cygnus.com>
7723 * fold-const.c (extract_muldiv): Don't distribute and widen
7724 multiply across plus for non-sizetype unsigned types.
7726 2000-04-14 Richard Henderson <rth@cygnus.com>
7728 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
7729 If the original source is dead in the incr insn, it's dead now.
7731 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7733 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
7734 see if DECL_BIT_FIELD needs to still be set.
7736 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
7738 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
7739 print_int_cst_octal with something that's not an INTEGER_CST.
7741 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
7742 and not a SUBREG to a FLOAT rtl.
7744 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
7746 * emit-rtl.c (try_split): Avoid infinite loop if the split
7747 results in a sequence that contains the original insn.
7749 2000-04-13 Andreas Jaeger <aj@suse.de>
7751 * config/mips/mips.c (expand_block_move): Pass alignment
7752 argument to move_by_pieces in bits, not bytes.
7754 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
7755 __pic__ for little endian.
7757 2000-04-13 Andreas Jaeger <aj@suse.de>
7759 * config/i386/i386-protos.h: Add prototype for
7760 uno_comparison_operator.
7762 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7764 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
7765 * calls.c (ECF_PURE): New flag.
7766 (emit_call_1): Handle ECF_PURE calls.
7767 (initialize_argument_information): Unset ECF_PURE flag too.
7768 (precompute_arguments): Precompute for ECF_PURE too.
7769 (expand_call): Handle ECF_PURE calls too.
7770 (emit_library_call_value_1): Rename no_queue argument to fn_type,
7771 accept value of 2 as pure function.
7772 (emit_library_call_value, emit_library_call): Rename no_queue argument
7774 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
7776 * tree.h (DECL_IS_PURE): New macro.
7777 (struct tree_decl): Add pure_flag.
7778 * c-common.c (enum attrs): Add attribute "pure".
7779 (init_attributes): Initialize attribute "pure"
7780 (decl_attributes): Handle attribute "pure".
7781 * extend.texi (Attribute "pure"): Document.
7782 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
7784 (flags_from_decl_or_type): Support attribute "pure".
7786 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
7788 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
7789 the token except for numbers and identifiers.
7791 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
7793 * i386.c (ix86_expand_binary_operator,
7794 ix86_expand_unary_operator): Check no_new_pseudos
7795 instead of reload_in_progress and reload_completed.
7796 (ix86_split_ashldi, ix86_split_ashrdi,
7797 ix86_split_lshrdi): Check no_new_pseudos instead
7798 of reload_completed.
7800 2000-04-12 Jeffrey A Law (law@cygnus.com)
7802 * function.c (purge_addressof): Unshare any shared rtl created by
7803 purge_addressof and its children.
7805 2000-04-12 Mark Mitchell <mark@codesourcery.com>
7807 * function.c (aggregate_value_p): VOID_TYPE nodes are never
7810 2000-04-05 Andreas Jaeger <aj@suse.de>
7812 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
7813 not compiling PIC code, add flags for mabi=64.
7814 (SUBTARGET_CPP_SIZE_SPEC): New.
7815 (SUBTARGET_CPP_SPEC): New.
7816 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
7817 for MIPS/Linux and lots of code needs these defines.
7819 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
7821 * reorg.c (fill_slots_from_thread): Check side_effects_p when
7822 trying the "opposite arithmetic" approach.
7824 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7826 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
7827 (struct sh_args): Add new field force_mem.
7828 (INIT_CUMULATIVE_ARGS): Initialize it.
7829 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
7831 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
7833 * calls.c (expand_call): Do not reverse args in "equal from" field.
7834 (emit_library_call_value_1): Emit_libcall_block for const and pure
7837 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7839 * reload1.c (reload_combine): Don't enable optimization for fixed
7840 registers when encountering a BARRIER.
7842 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
7844 * builtins.c (expand_builtin_memcmp): Do expansion even with
7845 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
7847 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
7848 stack is propertly aligned; add sanity checking for aligned
7850 (expand_library_call_value_1): Add sanity checking for aligned
7853 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
7855 * calls.c (emit_library_call_value_1): Change 3rd arg to
7856 locate_and_pad_parm to disregard the setting of partial.
7858 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7860 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
7862 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
7863 CALL_INSN from the normal case.
7865 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
7867 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7868 New global variables.
7869 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
7871 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7873 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
7874 TARGET_ADD_ESP_8): New macros.
7875 * i386.md: Add peep2s to convert esp adjustments to push and pop
7877 (pushsi_prologue, popsi_epilogue): New patterns.
7879 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7881 * real.c (toe64): Remove stale #endif from the last change.
7883 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
7885 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
7886 * real.c (toe64): Revert previous change.
7888 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7890 * objc/objc-act.c: Include ggc.h.
7891 (objc_tree_index, objc_global_trees): Convert most of the
7892 static tree variables into a static array with previous names
7894 (objc_ellipsis_node): New variable.
7895 (lang_init): Call objc_act_parse_init and c_parse_init.
7896 Create objc_ellipsis_node.
7897 (build_selector_translation_table): Use objc_ellipsis_node instead
7899 (hack_method_prototype): Likewise.
7900 (get_arg_type_list): Likewise.
7901 (start_method_def): Likewise.
7902 (continue_method_def): Likewise.
7903 (gen_method_decl): Likewise.
7904 (ggc_mark_imp_list): New function.
7905 (ggc_mark_hash_table): New function.
7906 (objc_act_parse_init): New function.
7907 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
7908 * c-parse.in (c_parse_init): For objc add roots of objc specific
7909 local tree variables.
7910 * objc/objc-parse.y: Rebuilt.
7911 * objc/objc-parse.c: Rebuilt.
7912 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
7914 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
7916 * cse.c (delete_trivially_dead_insns): Also delete insns
7917 that copy a register to itself where the destination is
7920 2000-04-11 Richard Henderson <rth@cygnus.com>
7922 * flow.c (struct propagate_block_info): Add new_dead, new_live.
7923 (propagate_block): Initialize them. Use them in parallel instead
7924 of one tmp variable, ie revert much of the 0408 and 0407 functional
7925 changes, but keep the structural changes.
7926 (mark_set_regs): Take new_dead from propagate_block_info instead.
7927 (mark_set_1, mark_set_reg): Likewise.
7928 (mark_used_regs): Likewise with new_live.
7929 (mark_used_reg): Likewise. Revert 0408 change.
7931 2000-04-11 Nick Clifton <nickc@cygnus.com>
7933 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
7935 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
7937 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7939 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
7940 const section to output a CONSTRUCTOR based on the same conditions
7943 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
7945 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
7946 * pa/pa-protos.h (output_call): Add additional argument indicating
7947 if the call is a sibling/tail call.
7948 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
7949 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
7950 (function_arg, function_arg_partial_nregs): Likewise
7951 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
7952 (emit_move_sequence): Zero extend certain constants as needed
7954 (compute_zdepdi_operands, output_64bit_and): New functions.
7955 (output_64bit_ior, function_arg): Likewise.
7956 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
7957 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
7958 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
7959 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
7960 (output_bvb): Likewise.
7961 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
7962 (output_call): New argument 'sibcall'. Generate sibcall sequences
7964 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
7965 (ouput_arg_descriptor): Do not emit argument descriptors for
7967 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
7969 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
7970 (FUNCTION_OK_FOR_SIBALL): Define.
7971 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
7972 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
7973 (CPP_SPEC): Use new spec infrastructure.
7974 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
7975 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
7976 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
7977 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
7978 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
7979 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
7980 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
7981 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
7982 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
7983 (FUNCTION_ARG); Call out to C code.
7984 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
7985 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
7986 (MIN_UNITS_PER_WORD): Likewise.
7987 * pa/pa.md (cmpdi): New expander.
7988 (scc patterns, movstrsi): Not available for TARGET_64BIT.
7989 (64bit conditional arithmetic): New patterns.
7990 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
7991 (movsicc): Not available if modes on all the operands to not match.
7992 (movdicc): New expander and associated patterns.
7993 (64bit branches): New patterns.
7994 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
7995 (pre_ldd, post_std): New patterns.
7996 (64bit addil, load low part): New patterns.
7997 (special movsf constant): Not available for TARGET_64BIT.
7998 (movsf, movdf expanders): Force constants into memory.
7999 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8000 (64bit movdf/movdi patterns): New patterns.
8001 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8003 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8004 (adddi3 expander): Allow "arith_operand" for second input.
8005 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8006 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8007 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8008 (muldi3): New expander for TARGET_64BIT.
8009 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8011 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8012 patterns for TARGET_64BIT.
8013 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8014 patterns for TARGET_64BIT.
8015 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8016 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8017 (sibcall_epilogue): New expander.
8018 (casesi): Tweak for TARGET_64BIT.
8019 (call expanders): Set & use the outgoing argument pointer. Use the
8020 64bit call patterns as needed. Add additional arg to output_call.
8021 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8022 (sibcall, sibcall_internal_symref): New expanders.
8023 (sibcall_value, sibcall_value_internal_symref
8024 (interspace_jump): Turn into an expander + matching patterns.
8025 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8026 * pa/pa64-regs.h: Eliminate trigraph sequences.
8027 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8029 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8031 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8032 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8033 cpp_token with cpp_ttype everywhere.
8034 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8035 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8036 CPP_BUF_COL. Line and column numbers are unsigned int, not
8038 * cpplex.c (cpp_buf_line_and_col): Delete.
8039 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8040 'long lineno' to 'unsigned int lineno'.
8041 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8043 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8045 * extend.texi: ISO C99 is not a draft anymore.
8046 * invoke.texi: ISO C++ is not a draft anymore.
8047 * cpp.texi: __cplusplus is required by the ISO standard.
8049 * extend.texi (-fthis-is-variable): Undocument.
8050 * flags.h (warn_template_debugging): Remove declaration.
8051 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8052 -Wenum-clash, -Wtemplate-debugging): Undocument.
8054 2000-04-10 Nick Clifton <nickc@cygnus.com>
8056 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8058 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8060 (ARM_SIGN_EXTEND): Use HOST_UINT.
8061 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8062 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8063 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8064 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8066 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8067 (arm_gen_constant): Use HOST_UINT.
8068 (arm_canonicalize_constant): Use HOST_UINT.
8069 (arm_reload_in_hi): Use HOST_UINT.
8070 (arm_reload_out_hi): Use HOST_UINT.
8071 (output_multi_immediate): Use HOST_UINT.
8072 (int_log2): Use HOST_UINT.
8073 (arm_poke_function_name): Use HOST_UINT.
8074 (arm_output_epilogue): Use arm_volatile_func().
8075 (output_thumb_prologue): Use arm_strip_name_encoding().
8077 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8079 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8080 of sequence point problems.
8082 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8084 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8086 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8088 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8090 * sbitmap.h: Whitespace changes and use upper-case macro args.
8091 (struct simple_bitmap_def): All sizes now unsigned.
8092 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8093 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8094 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8095 (sbitmap_zero): Cast bzero arg to PTR.
8096 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8097 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8098 loop to make structure clearer.
8099 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8100 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8101 (sbitmap_a_and_b_or_c): Likewise.
8102 (sbitmap_intersection_of_succs): Minor cleanups.
8103 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8104 (sbitmap_union_of_preds): Likewise.
8105 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8106 (debug_sbitmap): New function.
8108 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8109 * c-typeck.c (convert_for_assignment): Likewise.
8111 * expmed.c (init_expmed): Don't free objects we make.
8112 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8114 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8115 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8117 * gcse.c (expr_hash_table_size): Now unsigned.
8118 (compute_ae_gen): Local variable `i' now unsigned.
8119 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8120 (compute_transout, hoist_code): Likewise.
8121 (compute_local_properties): Likewise, also hash_table_size.
8122 (alloc_expr_hash_table): N_INSNS now unsigned.
8123 (delete_null_pointer_checks): Mark arg F as unused.
8125 * regrename.c: Minor cleanups, including chang some variables
8128 2000-04-10 Neil Booth <NeilB@earthling.net>
8130 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8132 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8134 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8136 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8137 __classof__, and __headof__ from the list of gnu keywords.
8138 (-ansi): Remove -foperator-names from list of implied options.
8139 Do not call it ANSI C++.
8140 (-foperator-names): Document as -fno-operator-names.
8142 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8144 * cpphash.c (timestamp): Delete.
8145 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8146 (special_symbol): Remove unnecessary braces. Remove
8147 T_VERSION. Treat T_STDC like T_CONST unless
8148 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8149 when one is encountered, then convert them into T_MCONST
8151 * cppinit.c (builtin_array): version_string is T_MCONST.
8152 __STDC__ has a "1" in its cpval. Don't have a terminator
8153 entry. Clean up which entries are dumped.
8154 (initialize_builtins): Only __STDC__ gets the special
8155 -traditional treatment. Count the length of builtin_array.
8156 Render version_string here.
8157 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8158 * cpplib.h (struct cpp_reader): Remove timebuf.
8160 2000-04-09 Richard Henderson <rth@cygnus.com>
8162 * genrecog.c (pred): Update comparison_operator for the unordered
8165 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8167 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8168 (uno_comparison_operator): New.
8169 (put_condition_code): Handle UNORDERED/ORDERED.
8170 (unsigned_comparison): Likewise.
8171 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8172 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8173 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8174 update all callers. Handle all 8 unordered operators.
8175 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8176 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8177 * config/i386/i386.h (PREDICATE_CODES): Update.
8178 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8179 (ix86_expand_branch, ix86_expand_setcc): Update.
8180 * config/i386/i386.md (sunordered, sordered): New.
8181 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8182 (bunordered, bordered): New.
8183 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8184 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8185 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8187 2000-04-09 Philip Blundell <philb@gnu.org>
8189 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8191 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8193 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8194 fix_truncxfhi2): New patterns.
8195 * i386.c (output_fix_trunc): Handle converting to HImode.
8197 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8199 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8201 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8202 (for_each_successor_phi): Change parameter to basic_block.
8203 (coalesce_regs_in_successor_phi_nodes): Likewise.
8204 (coalesce_regs_in_copies): Likewise.
8205 (compute_coalesced_reg_partition): Use basic_block instead of index.
8206 * rtl.h (convert_to_ssa): Delete.
8207 (convert_from_ssa): Likewise.
8208 (successor_phi_fn): Likewise.
8209 (for_each_successor_phi): Likewise.
8210 (in_ssa_form): Likewise.
8211 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8212 (convert_from_ssa): Likewise.
8213 (successor_phi_fn): Likewise.
8214 (in_ssa_form): Likewise.
8215 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8216 * flow.c (calculate_global_regs_live): Pass a basic_block to
8217 for_each_successor_phi.
8219 2000-04-08 Richard Henderson <rth@cygnus.com>
8221 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8222 was modified in the current insn.
8224 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8226 * arm/thumb.md: Delete.
8227 * arm/thumb-protos.h: Delete.
8229 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8231 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8233 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8235 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8238 * arm.md (nop): Use the standard RTL expression. Don't code as a
8240 (*arm_nop, *thumb_nop): Delete.
8242 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8243 constants. Use casts instead.
8244 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8245 output_multi_immediate, arm_poke_function_name): Likewise.
8246 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8247 MASK_RETURN_ADDDR): Likewise.
8249 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8251 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8254 * arm.md (eh_epilogue): New function.
8255 * arm.h (struct machine_function): Move to here ...
8256 * arm.c: ... from here.
8257 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8258 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8259 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8261 2000-03-30 Nick Clifton <nickc@cygnus.com>
8263 * config/arm/semi.h (ASM_SPEC): Restore definition.
8264 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8266 * config/arm/elf.h (ASM_SPEC): Restore definition.
8267 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8269 * config/arm/arm.h (ASM_SPEC): Remove definition.
8270 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8272 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8274 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8276 2000-03-24 Nick Clifton <nickc@cygnus.com>
8278 Various formating tidyups, elimination of compile time
8279 warnings and synchronisation with internal sources:
8281 * config/arm/arm-protos.h (assemble_align): Add prototype.
8282 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8283 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8284 (arm_return_addr_rtx): Rename to arm_return_addr.
8286 * config/arm/arm.c: Include except.h.
8287 Define shorter typenames for strict minipool_node and struct
8289 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8291 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8292 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8294 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8296 (ASM_SPEC): Define if not already defined.
8297 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8299 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8300 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8301 arm_gen_compare_reg.
8302 (indirect_jump): Only accept register operands.
8303 (load_indirect_jump): Keep this pattern since combine can generate
8306 * config/arm/coff.h: Include aout.h.
8307 (MULTILIB_DEFAULTS): Only define if not already defined.
8309 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8310 into arm.h (so that COFF ports can support thumb based aliases).
8311 (ASM_SPEC): Move definition into arm.h
8313 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8314 redundant apcs spec.
8315 (ASM_SPEC): Move definition to arm.h
8317 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8319 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8320 for entries in the .bss section
8322 2000-03-23 Nick Clifton <nickc@cygnus.com>
8324 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8325 to thumb_far_jump_used_p.
8327 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8328 single integer parameter.
8330 * config/arm/arm.c (struct machine_function): Add two new
8331 fields, 'far_jump_used' and 'arg_pointer_live'.
8332 (thumb_far_jump_used_p): Once the decision has been made that
8333 far jumps might be used, always return true.
8334 If being called from the initial elimination offset macro then
8335 do not bother to perform the test if the arg pointer is not
8337 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8338 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8340 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8342 * arm.c (output_return_instruction): Handle more cases where we can
8343 return from a function with an ldr instruction.
8344 (arm_output_epilogue): Likewise.
8346 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8347 if we need to push a large stack frame and there are no callee-saved
8350 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8351 in ARM code if the frame pointer has been eliminated.
8353 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8354 unspec_volatile arguments to avoid duplicates.
8355 (consttable_1, consttable_2): Fixes for big-endian mode.
8357 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8360 Re-write constant pool code.
8361 * arm.c (minipool_node, minipool_fix): New types.
8362 (minifix): Delete type.
8363 (arm_add_minipool_constant): Delete.
8364 (arm_compute_minipool_offsets, arm_find_barrier,
8365 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8366 (get_jump_table_size): Now returns HOST_WIDE_INT.
8367 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8369 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8370 (assign_minipool_offsets, arm_print_value): Likewise.
8371 (dump_minipool): Rewrite.
8372 (arm_barrier_cost): New function.
8373 (create_fix_barrier): New function.
8374 (push_minipool_barrier): New function.
8375 (push_minipool_fix): Record additional information about the fixup
8377 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8378 check the mode of what needs fixing.
8379 (arm_reorg): Rewrite.
8381 2000-03-08 Nick Clifton <nickc@cygnus.com>
8383 * config/arm/arm.md (indirect_jump): Force constant addresses into
8386 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8388 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8390 2000-02-24 Nick Clifton <nickc@cygnus.com>
8392 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8393 adjust is word aligned.
8394 (thumb_expand_epilogue): Make sure that stack adjust is word
8397 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8399 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8401 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8402 pointer relative addresses.
8404 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8406 * arm.c (find_barrier): Find the last barrier within the allowed
8409 2000-02-09 Nick Clifton <nickc@cygnus.com>
8411 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8413 2000-02-09 Nick Clifton <nickc@cygnus.com>
8415 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8416 ARM_FUNCTION_PROFILER.
8418 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8419 ARM_FUNCTION_PROFILER.
8421 * config/arm/linux-oldld.h: Imported from mainline sources.
8423 2000-02-07 Nick Clifton <nickc@cygnus.com>
8425 * config/arm/lib1funcs.asm: Merge in thumb functions from
8428 * config/arm/lib1thumb.asm: Delete.
8430 2000-02-04 Nick Clifton <nickc@cygnus.com>
8432 * config/arm/arm.c: Sychronised with current Red hat local
8434 * config/arm/arm.h: Ditto.
8435 * config/arm/arm-protos.h: Ditto.
8437 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8439 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8441 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8444 2000-02-02 Nick Clifton <nickc@cygnus.com>
8446 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8448 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8449 (return) was emited using an emit_insn() call.
8451 2000-01-31 Nick Clifton <nickc@cygnus.com>
8453 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8455 (thumb_exit): Move frame pointer back into hard frame pointer
8456 register if backtracing is being used.
8458 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8460 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8463 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8465 * config/arm/arm.md (neg_pool_offset): Provide default for new
8467 (arm_movsi_insn): Add neg_pool_offset attribute.
8468 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8469 rtx for the insn that starts the scan and an unsigned long for its
8470 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8471 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8472 instructions in *PINSERTED.
8473 (struct minipool_fixup): Add MIN_ADDRESS elt.
8474 (sort_fixups): Compute it.
8475 (arm_reorg): Changes to support inserting pools before the insn to be
8478 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8480 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8481 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8482 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8484 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8486 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8488 (TARGET_DEFAULT): Do not define if already defined.
8490 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8492 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8493 (iordi3): Allow disjoint source operands.
8494 (xordi3): Allow disjoint source operands.
8495 (negdi2): Permit construction for ARM and Thumb.
8496 (arm_negdi2): Renamed version of old negdi2 pattern.
8497 (thumb_negdi2): New pattern: Only permit non-overlapping
8498 source and destination.
8500 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8502 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8503 scratch low register so that it will not be deleted.
8505 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8507 * config/arm/pe.h (ARM_PE): Define.
8509 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8510 interfacearm attribute if this is a PE toolchain.
8511 (output_return_instruction): Do not emit anything if the function
8512 has the naked attribute set.
8513 (is_called_in_ARM_mode): If the function has the interfacearm
8514 attribute then return true.
8515 (thumb_expand_prologue): Do not generate a prologue for naked
8517 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8519 (output_thumb_prologue): Do not bother if the function is naked.
8520 Strip PE encoding from function name before emitting.
8522 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8524 * arm.md (pic_load_addr): Fix constraints.
8526 * arm.md (casesi_insn): Fix mis-applied patch.
8528 * arm.md ("core" function unit): Add rules for single- and
8530 (All TARGET_THUMB patterns): Add "type" attribute information
8532 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8533 the following insn is a CALL.
8535 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8537 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8538 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8539 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8541 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8543 * config/arm/linux-gas.h: oops - this file was missed out when the
8544 branch was created...
8546 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8548 * thumb.c: Deleted. Move contents to ...
8550 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8552 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8555 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8556 declare a prototype for asm_output_align();
8558 * arm.c (thumb_condition_code): Delete.
8559 (arm_print_operand): Always use arm_condition_code array.
8561 * arm.c (thumb_return_addr_rtx): Delete.
8562 (arm_save_machine_status, arm_restore_machine_status): Delete.
8563 (arm_init_machine_status, arm_mark_machine_status): New functions.
8564 (arm_init_expanders): Update accordingly.
8565 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8566 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8567 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8569 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8571 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8573 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8576 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8578 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8579 stack backtrace structure.
8581 * config/arm/arm-protos.h: Add prototypes for functions defined in
8584 * config/arm/arm.c (arm_override_options): Fix selection of
8585 attributes of default processor.
8587 * config/arm/coff.h: Delete needless #include.
8589 * config/arm/pe.c: Delete unused code.
8591 * config/arm/pe.h (CPP_DEFINES): Delete
8592 (SUBTARGET_CPP_SPEC): Define.
8593 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8595 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8597 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8599 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8601 (CAN_DEBUG_WITHOUT_FP): Define.
8602 (FIXED_REGISTERS): Make r11 call-saved.
8603 (CALL_USED_REGISTERS): Likewise.
8604 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8605 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8606 frame-pointer is required.
8607 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8608 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8609 if the target normally needs a stack frame in non-leaf functions.
8610 (use_return_insn): Correct logic for determining when a return
8611 instruction can be used.
8612 (output_return_instruction): Handle the frame-pointer register as
8613 a normal register when not TARGET_APCS_FRAME.
8614 (arm_output_prologue): Likewise.
8615 (arm_output_epilogue): Likewise.
8616 (output_func_epilogue): Likewise.
8617 (arm_expand_prologue): Likewise.
8618 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8620 * arm.c (use_return_insn): No need to check floating point regs if
8622 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8623 the code of value stored in the minipool array.
8624 (arm_add_minipool_constant): Likewise.
8626 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8628 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8630 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8632 * tree.c (tree_expr_nonnegative_p): New function.
8634 * tree.h (tree_expr_nonnegative_p): Declare.
8636 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8637 elide some sign_compare warnings.
8638 (build_conditional_expr): Likewise.
8640 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8642 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8644 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8645 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8646 operand. Abort if a 387 operand has an unsupported size.
8648 2000-04-08 Neil Booth <NeilB@earthling.net>
8650 * cppexp.c (parse_charconst): Null does not end character
8652 * cppinit.c (ISTABLE): Null character handled as whitespace.
8653 * cpplex.c (null_warning): new function.
8654 (skip_string): Emit warning if nulls encountered.
8655 (_cpp_skip_hspace): Emit warning if nulls encountered.
8656 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8660 2000-04-07 Richard Henderson <rth@cygnus.com>
8662 * flow.c (loop_depth): Remove.
8663 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8664 (struct propagate_block_info): New.
8665 (life_analysis): Don't allocate reg_next_use.
8666 (propagate_block_delete_insn): Break out of propagate_block.
8667 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8668 (propagate_block_delete_libcall): Likewise.
8669 (propagate_block): Create a propagate_block_info struct to pass
8670 to subroutines. Allocate one not two temporary regsets. Don't
8671 clobber memory for const calls. Look for clobbers in
8672 CALL_INSN_FUNCTION_USAGE.
8673 (mark_set_regs): Recognize COND_EXEC.
8674 (mark_set_reg): Break out of mark_set_1.
8675 (mark_used_reg): Break out of mark_used_regs.
8676 (mark_used_regs): Recognize COND_EXEC.
8677 (insn_dead_p): Use propagate_block_info struct.
8678 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8679 (find_auto_inc, try_pre_increment_1): Likewise.
8680 (print_rtl_with_bb): Dump regs live at end too.
8681 (count_reg_sets_1): Pass in loop_depth.
8682 (count_reg_sets, count_reg_references): Likewise.
8683 (recompute_reg_usage): Provide it.
8685 2000-04-07 Richard Henderson <rth@cygnus.com>
8687 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8690 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
8692 * cpplib.c (do_elif): Skip the rest of the line if we're
8693 not going to bother evaluating it.
8694 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
8695 to avoid pointless calls to the lexer.
8697 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
8699 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
8701 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
8703 * calls.c (expand_call): emit_queue if we're trying a sibcall.
8705 2000-04-07 Jakub Jelinek <jakub@redhat.com>
8707 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
8709 2000-04-06 Geoff Keating <geoffk@cygnus.com>
8711 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
8712 crtend so they can be multilibbed.
8713 (STAGESTUFF): Remove s-crt and s-crtS.
8715 2000-04-07 Richard Henderson <rth@cygnus.com>
8717 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
8718 if we discover we need a pseudo and no_new_pseudos is true.
8719 * config/alpha/alpha.md (ne:DI insn): New.
8720 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
8722 2000-04-07 Richard Henderson <rth@cygnus.com>
8724 * rtl.def (COND_EXEC): New.
8725 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
8726 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
8728 * genconfig.c (have_cond_arith_flag): Remove.
8729 (have_cond_exec_flag): New.
8730 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
8731 (main): Print HAVE_conditional_execution.
8733 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
8734 (sched_analyze_insn, print_pattern): Likewise.
8735 * reload.c (find_equiv_reg): Likewise.
8736 * rtlanal.c (reg_referenced_p): Likewise.
8737 (note_stores, dead_or_set_regno_p): Likewise.
8738 (reg_overlap_mentioned_p): Rewrite to use a switch.
8740 * ggc.h (struct rtx_def): Forward declare.
8742 * print-rtl.c (debug_rtx_range): New.
8743 * rtl.h (debug_rtx_range): Declare.
8745 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
8747 * gcse.c (gcse_main): Don't rebuild the CFG here.
8748 (delete_null_pointer_checks): Likewise.
8749 * ssa.c (convert_to_ssa): Likewise.
8750 * toplev.c (rest_of_compilation): Do it here instead. Combine
8751 sequential calls to TIMEVAR. Consistently use `insns' instead of
8752 `get_insns()'. Always split insns after reload when optimizing.
8754 * basic-block.h (merge_blocks_nomove): Declare.
8755 (tidy_fallthru_edge): Declare.
8756 * flow.c (merge_blocks_nomove): Document as merging into previous
8757 blocks. Remove cruft from between blocks; remove all edges out of A.
8758 (tidy_fallthru_edge): Export.
8760 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8762 * ssa.c (compute_conservative_reg_partition): Declare with
8764 * toplev.c (clean_dump_file): Remove previously-deleted function
8765 inadvertantly merged back in.
8766 * conflict.c (conflict_graph_add): Use a single call to
8767 htab_find_slot to look up and insert.
8769 2000-04-06 Richard Henderson <rth@cygnus.com>
8771 * genrecog.c (*): Rename _last_insn to last_insn.
8772 (make_insn_sequence): Set the position of the peephole2 C test
8773 to be at the last insn.
8775 2000-04-06 Richard Henderson <rth@cygnus.com>
8777 * flow.c (compute_flow_dominators): Free worklist.
8779 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
8781 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
8783 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8785 * rtl.h (INSN_P): New macro.
8786 (successor_phi_fn): New typedef.
8787 (for_each_successor_phi): New prototype.
8788 (in_ssa_form): New variable.
8789 (PHI_NODE_P): Likewise.
8790 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
8791 phi nodes in successors.
8792 (mark_used_regs): Add PHI case.
8793 (set_phi_alternative_reg): New function.
8794 (life_analysis): Assert that dead code elimination is not selected
8796 * toplev.c (to_ssa_time): New variable.
8797 (from_ssa_time): Likewise.
8798 (compile_file): Zero to_ssa_time and from_ssa_time.
8799 Print time to convert to and from SSA.
8800 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
8801 (print_time): Compute percent fraction as integer.
8802 * ssa.c (PHI_NODE_P): Moved to rtl.h.
8803 (convert_to_ssa): Check if we're already in SSA.
8804 Don't eliminate dead code in life_analysis.
8805 Rerun flow and life analysis at bottom.
8806 (eliminate_phi): Use canonical regnos when adding nodes.
8807 (mark_reg_in_phi): New function.
8808 (mark_phi_and_copy_regs): Likewise.
8809 (convert_from_ssa): Rerun life analysis at top.
8810 Use coalesced partition.
8811 Check for removing a phi node at the end of the block.
8812 (compute_coalesced_reg_partition): New function.
8813 (coalesce_regs_in_copies): Likewise.
8814 (coalesce_reg_in_phi): Likewise.
8815 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
8816 (for_each_successor_phi): Likewise.
8817 (rename_context): New struct.
8818 (rename_block): Use a rename_context with rename_insn_1. When
8819 renaming sets of a subreg, emit a copy of the entire reg first.
8820 (rename_insn_1): Treat data as a rename_context *. Save current
8822 (rename_set_data): Add field set_insn.
8823 * Makefile.in (HASHTAB_H): Move up in file.
8824 (OBSTACK_H): New macro.
8825 (collect2.o): Use OBSTACK_H in dependencies.
8826 (sdbout.o): Likewise.
8827 (emit-rtl.o): Likewise.
8828 (simplify-rtx.o): Likewise.
8829 (fix-header.o): Likewise.
8830 (OBJS): Add conflict.o.
8831 (conflict.o): New rule.
8832 * basic-block.h: Include partition.h.
8833 (conflict_graph): New typedef.
8834 (conflict_graph_enum_fn): Likewise.
8835 (conflict_graph_new): New prototype.
8836 (conflict_graph_delete): Likewise.
8837 (conflict_graph_add): Likewise.
8838 (conflict_graph_conflict_p): Likewise.
8839 (conflict_graph_enum): Likewise.
8840 (conflict_graph_merge_regs): Likewise.
8841 (conflict_graph_print): Likewise.
8842 (conflict_graph_compute): Likewise.
8843 * conflict.c: New file.
8845 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
8847 * tlink.c (read_repo_files): Don't look for .rpo info for
8850 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8852 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
8854 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8856 * config/sh/lib1funcs.asm (___udivsi3_i4):
8857 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
8858 only depends on FMOVD_WORKS.
8860 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8862 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
8863 make double constant 8-byte aligned.
8865 2000-04-06 Jakub Jelinek <jakub@redhat.com>
8867 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
8868 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
8869 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
8870 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
8871 Accept storing GENERAL_REGS into offsetable memory.
8872 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
8873 building a TFmode constant other than 0.0L into GENERAL_REGS.
8875 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
8877 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
8879 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
8881 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
8882 (macro_cleanup): No need to cast pbuf->macro.
8883 (collect_expansion): Use _cpp_get_define_token. Goto done if
8884 it returns VSPACE. Remove check for trailing space after
8886 (_cpp_create_definition): Don't diddle flags here. Return
8888 (unsafe_chars): Handle c1 being EOF.
8889 (push_macro_expansion): Use unsafe_chars for both accidental-paste
8890 checks. Don't push the buffer till after we're done with
8892 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
8893 (PEEKN, FORWARD, GETC, PEEKC): Use them.
8894 (cpp_push_buffer): Don't set new->alimit. Set new->mark
8896 (_cpp_parse_assertion): Don't NUL terminate.
8897 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
8898 hspace before calling _cpp_parse_assertion. Remove all sets
8899 of only_seen_white. Treat '\f' as hspace. Don't do anything
8900 special with '\n' here.
8901 (maybe_macroexpand): Handle T_EMPTY hash entries without
8902 pushing a buffer at all.
8903 (cpp_get_token): Handle clearing only_seen_white here. Handle
8904 incrementing the line number here. Clear
8905 potential_control_macro as well as only_seen_white, if
8907 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
8908 (_cpp_get_define_token): New function, basically like
8909 _cpp_get_directive_token was but doesn't eat horizontal space.
8910 Don't do anything with only_seen_white here.
8911 (_cpp_get_directive_token): Just call _cpp_get_define_token
8912 repeatedly till it returns non-hspace.
8914 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
8915 (conditional_skip, skip_if_group): Return int.
8916 (DIRECTIVE_TABLE): Change origin of all conditional directives
8918 (TRAD_DIRECT_P): New macro.
8919 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
8920 an error for a bogus directive, unless -lang-asm. Use
8921 TRAD_DIRECT_P. Loop calling handler functions till one returns
8923 (get_macro_name): Don't diddle flags here.
8924 (do_define): Diddle flags here. Use _cpp_get_directive_token.
8925 Create T_EMPTY nodes for #define macro /* nothing */.
8926 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
8927 Use hp->name when calling pass_thru_directive.
8928 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
8929 Return the result of conditional_skip and/or skip_if_group.
8930 Don't call _cpp_output_line_command.
8931 (consider_directive_while_skipping): Use _cpp_get_directive_token.
8932 Issue -Wtraditional warnings as appropriate. Don't complain
8933 about unrecognized directives. If we are to stop skipping,
8934 return the number of the directive that ended the skip.
8935 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
8936 expansion and line commands while skipping. Return the result
8937 of consider_directive_while_skipping, if nonzero.
8938 (do_endif): Just set potential_control_macro here.
8939 (validate_else): Use _cpp_get_directive_token.
8940 (do_assert, do_unassert): Don't save pointers into the
8941 token_buffer across calls to the lexer. Use
8942 _cpp_get_directive_token.
8944 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
8945 pointer, not an offset. Replace 'data', which was a generic
8946 pointer, with 'macro', which points to a struct hashnode.
8947 (cpp_reader): Add 'potential_control_macro' pointer.
8948 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
8949 (CPP_BUF_GET, CPP_FORWARD): Delete.
8950 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
8951 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
8952 ACTIVE_MARK_P): Update.
8953 (_cpp_get_define_token): New internal function.
8954 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
8956 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
8958 * configure.in: And here.
8959 * configure: Regenerate.
8960 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
8961 --enable-libstdcxx-v3 is passed at configure time.
8962 * config.h.in: Regenerate.
8964 2000-04-05 Mark Mitchell <mark@codesourcery.com>
8966 * final.c (final): Use xcalloc to allocate line_note_exists.
8967 * function.c (free_after_compilation): Free the temp_slots.
8968 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
8969 (combine_temp_slot): Free temp_slots when they get combined.
8970 (purge_addressof): Fix typo in comment.
8971 * stmt.c (mark_goto_fixup): Mark the fixup itself.
8972 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
8974 * ggc.h: Include varray.h.
8975 (ggc_pending_trees): Declare.
8976 (ggc_mark_tree_children): Remove declaration.
8977 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
8978 * ggc-common.c (ggc_pending_trees): New variable.
8979 (ggc_mark_roots): Call ggc_mark_trees.
8980 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
8981 the ggc_pending_trees.
8982 * Makefile.in (GGC_H): New variable. Use it throughout in place
8985 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8987 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
8990 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8992 * sh.c (sh_insn_length_adjustment): New function.
8993 * sh-protos.h (sh_insn_length_adjustment): Declare.
8994 * sh.h (ADJUST_INSN_LENGTH): Use it.
8996 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
8998 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
8999 from the insn where REG_RETVAL is added.
9000 (emit_no_conflict_block): Ditto.
9002 * md.texi (Standard Names): Clarify when movX is needed.
9004 * combine.c (simplify_comparison) [MINUS]: Do not replace
9005 all (op (minus A B) 0) with (op A B).
9007 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9008 J"orn Rennecke <amylaar@cygnus.co.uk>
9010 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9011 (block_lump_real): Likewise.
9013 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9015 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9016 remaining non-zero debugging masks.
9018 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9020 * basic-block.h (verify_flow_info): Declare.
9021 (flow_loop_outside_edge_p): Declare.
9022 * flow.c (verify_flow_info): Remove declaration.
9023 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9025 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9027 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9030 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9032 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9033 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9034 seqdi_zero_trunc+1): Allow splits only if registers are
9037 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9039 * acconfig.h: Add HAVE_GAS_HIDDEN.
9040 * config.in: Regenerated.
9041 * configure.in: Add test for .hidden pseudo-op in gas.
9042 * configure: Regenerated.
9043 * crtstuff.c: Include auto-host.h.
9044 Emit additional .hidden pseudo-op for __dso_handle if the
9045 assembler knows about it.
9047 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9049 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9050 before freeing argnames.
9051 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9053 2000-04-05 Michael Meissner <meissner@redhat.com>
9055 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9056 Walton <jonboy@gordian.com> to make memory references with update
9057 work wtih -mregnames.
9059 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9061 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9062 (regrename_optimize): Rename variables `def_uses' and
9063 `ext_basic_blocks' to avoid conflicts with similarly named
9064 typedefs in traditional C.
9066 * calls.c (initialize_argument_information): Fix typo in previous
9069 2000-04-04 Richard Henderson <rth@cygnus.com>
9071 * regrename.c (consider_available): Test fixed_regs not
9072 PIC_OFFSET_TABLE_REGNUM.
9074 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9076 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9078 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9079 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9080 (ENDFILE_LINUX_SPEC): Always use crtend.
9081 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9082 (powerpc-*-linux-gnu): Likewise.
9083 * configure: Regenerate.
9085 * config/rs6000/eabi.h: Don't include sysv4.h.
9086 (MULTILIB_DEFAULTS): Don't define.
9087 * config/rs6000/eabiaix.h: Don't include eabi.h.
9088 * config/rs6000/eabile.h: Delete.
9089 * config/rs6000/eabilesim.h: Delete.
9090 * config/rs6000/eabisim.h: Don't include eabi.h.
9091 * config/rs6000/linux.h: Don't include sysv4.h.
9092 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9093 (MULTILIB_DEFAULTS): Don't redefine.
9094 * config/rs6000/rtems.h: Don't include eabi.h.
9095 * config/rs6000/sol2.h: Don't include sysv4le.h.
9096 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9097 * config/rs6000/t-ppc: Delete.
9098 * config/rs6000/t-ppcgas: Correct comment.
9099 * config/rs6000/t-ppcos: Correct comment. Don't build
9100 multilibs for -fPIC, rather use -fPIC -mstrict-align
9102 * config/rs6000/t-ppc: Delete.
9103 * config/rs6000/vxppc.h: Don't include sysv4.h.
9104 * config/rs6000/vxppcle.h: Delete.
9105 * configure.in: Use multiple header files for p2pc ELF targets
9106 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9107 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9108 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9109 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9110 always available for these platforms.
9112 2000-04-04 Richard Henderson <rth@cygnus.com>
9114 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9116 2000-04-04 Stan Cox <scox@cygnus.com>
9118 * Makefile.in: Add rules for regrename.o
9119 * regrename.c: New file.
9120 * rtl.h (regrename_optimize): Add prototype.
9121 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9122 (compile_file, decode_d_option): Add support for -frename-registers.
9123 (rest_of_compilation): Call regrename_optimize.
9124 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9127 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9129 * Makefile (gccbug): New target.
9130 (doc): Depend on it.
9131 * gcc.texi (Bugs): Link subnodes.
9133 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9134 Document severities, priorities, and classes in bug form.
9136 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9138 * cpplex.c (trigraph_map, speccase): Combine into single
9140 (NORMAL, NONTRI): New macros.
9141 (_cpp_read_and_prescan): Change to use unified table. Use
9142 is_hspace to test for whitespace.
9144 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9145 definition that doesn't provoke the "empty body in an
9146 if-statement" warning.
9148 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9150 * builtins.c (expand_builtin_strlen): Force the source to
9151 be a memory address.
9153 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9155 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9157 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9159 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9160 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9161 (ECF_IS_CONST): Rename to ECF_CONST.
9162 (special_function_p): Make static, change interface.
9163 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9164 (expand_call) ... here; convert number of variables to flags.
9165 (emit_library_call_vlue_1): Likewise.
9166 (setjmp_call_p): New function.
9167 (initialize_argument_information): Accepts flags as argument;
9169 (precompute_arguments): Likewise.
9170 * tree.h (special_function_p): Remove.
9171 (setjmp_call_p): Add prototype.
9173 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9175 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9176 so that addresses are offsetable by up to 16 bytes.
9177 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9178 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9181 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9182 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9183 (movsf): Don't force any constant to memory if target is integer
9185 Move fp_zero_operand check below the const0_rtx check.
9186 (movtf): Likewise. Also allow fp_zero_operand for stores into
9188 (movdf): Likewise. Also allow fp_zero_operand for stores into
9189 memory and into integer hard registers.
9190 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9191 movdf_const_intreg_sp64): Remove.
9192 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9194 (movdf_no_e_insn_v9_sp32): New pattern.
9195 (movdf_insn_v9only): Remove.
9196 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9197 (movdf_insn_sp64): Remove.
9198 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9199 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9200 (following splits): Rewrite conditions. Add two new splits
9201 for storing 0.0 into memory and registers.
9202 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9203 (movtf_insn_sp32): Redo constraints and conditions.
9204 (movtf_insn_vis_sp32): New pattern.
9205 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9206 (movtf_insn_hq_sp64): Likewise.
9207 (movtf_insn_hq_vis_sp64): New pattern.
9208 (movtf_insn_sp64): Redo constraints and conditions.
9209 (movtf_insn_vis_sp64): New pattern.
9210 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9211 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9213 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9214 -mvis or -m64 to take down the number of various reload patterns.
9216 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9218 * pa/pa-64.h: New file.
9219 * pa/pa64-regs.h: New file.
9220 * pa/pa64-start.h: New file.
9221 * pa/t-pa64: New file.
9222 * pa/xm-pa64hpux.h: New file.
9224 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9226 * sparc.c (output_restore_regs): Prototype.
9227 (sparc_emit_float_lib_cmp): Constification.
9229 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9231 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9234 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9235 (get_value_hash, hash_rtx): Likewise.
9237 * ssa.c (compute_conservative_reg_partition): Prototype.
9239 * tree.c (mark_hash_entry): Prototype.
9241 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9243 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9244 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9245 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9247 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9248 * objc/lang-specs.h: Likewise.
9250 2000-04-03 Neil Booth <NeilB@earthling.net>
9252 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9253 and SYNTAX_ERROR2. Replace `' in messages with ''.
9254 (op_to_str): Make re-entrant.
9255 (_cpp_parse_expr): Implement new error macros. Use | rather
9256 than || to logically or 2 boolean integers. Simply expression
9257 checking we have a left operand iff needed.
9259 2000-04-03 Nick Clifton <nickc@cygnus.com>
9261 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9263 2000-04-03 Philip Blundell <philb@gnu.org>
9265 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9267 2000-04-03 Felix Lee <flee@cygnus.com>
9269 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9270 (run_shell): Use it.
9272 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9274 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9275 (stmp-fixproto): ...rather than here.
9277 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9279 * pa.c (print_operand): Compute 'base' only inside the code paths
9282 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9284 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9287 2000-04-03 Philipp Thomas <pthomas@suse.de>
9289 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9291 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9293 * Makefile.in (alias.o): Depend on $(TREE_H).
9295 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9297 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9299 * cpplib.c (_cpp_handle_directive): Improve warnings for
9300 traditional C and indented directives.
9302 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9303 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9304 fixinc/inclhack.def: Indent the # of #include_next one space.
9305 * cp/rtti.c: Un-indent #if and #endif.
9307 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9308 syntax error, but an error has already been printed.
9309 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9310 message when called with nothing remaining on the line.
9311 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9312 OTHER token, not an ASSERTION.
9313 * cpplib.c (do_assert): When we create a 'base' node, clear
9314 its aschain pointer.
9316 2000-04-02 Neil Booth <NeilB@earthling.net>
9318 * cppexp.c: New typedef op_t. struct operation and struct
9319 token updated to use it.
9320 (op_to_str): New function.
9321 (_cpp_parse_expr): Error messages modified to use op_to_str.
9323 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9325 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9326 before checking MUST_PASS_IN_STACK.
9328 2000-04-02 Neil Booth <NeilB@earthling.net>
9330 * cppexp.c: New FINISHED dummy token. Combine operator initial
9331 flags and initial priority into a single constant. New
9332 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9333 (_parse_cpp_expr): Implement new constants. Take left operand
9334 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9335 parse indicated by reducing FINISHED token. Remove new lines
9336 from cpp_error messages.
9338 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9340 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9343 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9345 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9346 directive. Add origin values to DIRECTIVE_TABLE. Generate
9347 the strings and function names on the fly. Take the #sccs
9348 entry out of the table if SCCS_DIRECTIVE is not defined.
9349 (_cpp_handle_directive): Decide if the # was at the beginning
9350 of the line here. Issue -pedantic warnings for extended
9351 directives here. Warn about K+R directives with the #
9352 indented, and C89/extended directives with the # not indented,
9354 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9355 do_assert, do_unassert): Don't issue pedantic warning here.
9357 * cpphash.h: Add CPP_WTRADITIONAL macro.
9358 * cpplib.h (struct cpp_options): Rename warn_stringify to
9359 warn_traditional; update comments.
9360 * cppinit.c (handle_option): Set warn_traditional not
9362 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9363 CPP_WTRADITIONAL (pfile).
9364 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9365 be ignored in -traditional mode here.
9367 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9368 to initialize speccase[] and trigraph_map[]. Delete all
9369 references to pfile->input_speccase. Always treat '?' as a
9370 special character. Remove table-initialization code from
9371 _cpp_init_input_buffer.
9373 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9374 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9376 2000-04-01 Richard Henderson <rth@cygnus.com>
9378 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9379 (mostlyclean): Likewise.
9381 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9382 (struct dump_file_info, enum dump_file_index, dump_file): New.
9383 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9384 not a string. Clean out file if we havn't yet done so. Do nothing
9385 if the dump isn't enabled.
9386 (close_dump_file): Do nothing if the dump isn't open. Dump
9387 graph data if requested.
9388 (dump_rtl, clean_dump_file): Remove.
9389 (compile_file): Don't clean the dump files. Only finalize .bp dump
9390 if flag_test_coverage or flag_branch_probabilities. Only finalize
9391 .combine dump if optimizing. Iterate over dump_file to finalize the
9393 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9394 Convert all uses of dump_rtl.
9395 (decode_d_option): Iterate over dump_file to implement 'a' and to
9396 locate pass-specific dumps.
9398 2000-04-01 Neil Booth <NeilB@earthling.net>
9400 * cppexp.c: Redefine priority constants.
9401 (_cpp_parse_expr): Replace left and right priority scheme with
9402 single priority logic. Move LOGICAL to same place as COMPARE.
9403 Remove bogus check for multiple unary +/- operators.
9405 2000-04-01 Neil Booth <NeilB@earthling.net>
9407 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9408 within the switch statement. Binary operations break out of
9409 the switch naturally. '(' tokens handled by forcing
9410 immediate shift. ')' handled by forcing immediate reduce to
9411 the previous '('. New error messages.
9413 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9415 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9416 part', it's already in use. Use %K instead. Add a return at the
9417 end of what is now %K.
9418 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9420 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9422 * builtins.c (expand_builtin_apply): Pass proper parameters to
9423 allocate_dynamic_stack_space.
9424 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9425 update stack_pointer_delta; do not update arg_size_so_far.
9426 (compute_argument_block_size): Use stack_delta instead of
9427 stack_pointer_pending and arg_size_so_far.
9428 (expand_call): Add sanity checking for stack_pointer_delta;
9429 save and restore stack_pointer_delta for SIB, use
9430 stack_pointer_delta for alignment; do not update arg_space_so_far.
9431 (emit_library_call_value): Use stack_pointer_delta for alignment.
9432 (store_one_arg): Do not update arg_space_so_far.
9433 * explow.c (adjust_stack, anti_adjust_stack): Update
9434 stack_pointer_delta.
9435 (allocate_dynamic_stack_space): Add sanity checking for
9436 stack_pointer_delta.
9437 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9438 stack_pointer_delta.
9439 (emit_push_insn): Update stack_pointer_delta.
9440 * function.h (struct expr_status): Add x_stack_pointer_delta;
9441 remove x_arg_space_so_far.
9442 (arg_space_so_far): Remove.
9443 (stack_pointer_delta): New macro.
9445 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9447 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9448 Reorder struct cpp_options and struct cpp_reader for better
9449 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9450 takes two args. Change all 'char' flags to 'unsigned char'.
9451 Move show_column flag into struct cpp_options. Don't
9452 prototype cpp_options_init.
9453 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9454 cppinit.c, cpplex.c, cpplib.c:
9455 Replace CPP_OPTIONS (pfile)->whatever with
9456 CPP_OPTION (pfile, whatever), and likewise for
9457 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9459 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9460 Extract CPP_OPTION (pfile, pending) and work with that
9462 (cpp_options_init): Delete.
9463 (cpp_reader_init): Turn on on-by-default options here.
9464 Allocate the pending structure here.
9465 (cl_options, enum opt_code): Define these from the same table,
9466 kept in a large macro. Add -fshow-column and -fno-show-column
9469 * cpperror.c (v_message): If show_column is off, don't print
9472 * cppmain.c: Update for new interface.
9473 * fix-header.c: Likewise.
9475 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9477 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9479 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9480 are passed to any invocation of AR_FOR_TARGET.
9481 (AR_CREATE_FOR_TARGET): New macro.
9482 (AR_EXTRACT_FOR_TARGET): New macro.
9483 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9484 AR_EXTRACT_FOR_TARGET.
9485 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9486 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9487 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9488 AR_EXTRACT_FOR_TARGET to sub-makes.
9490 2000-03-31 Neil Booth <NeilB@earthling.net>
9492 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9494 (_cpp_parse_expr): Check for multiple unary +/- operators.
9495 Correct priorities of ':' and '?'. Treat ')' as having a
9496 value. Ensure conditional expression is not void.
9498 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9500 * alias.c (canon_rtx): Make it global.
9501 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9503 * cse.c (struct table_elt): Add canon_exp.
9505 (invalidate): Canonicalize expressions only once.
9506 * rtl.h (canon_rtx): Declare.
9508 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9510 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9511 * alias.c (reg_known_value): Add comments.
9512 (init_alias_analysis): Likewise.
9513 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9515 (cse_basic_block): Fix typo in comment.
9516 * emit-rtl.c: Include hashtab.h.
9517 (const_int_htab): New variable.
9518 (const_int_htab_hash): New function.
9519 (const_int_htab_eq): Likewise.
9520 (rtx_htab_mark_1): Likewise.
9521 (rtx_htab_mark): Likewise.
9522 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9523 (unshare_all_rtx): Fix formatting.
9524 (init_emit_once): Initialize const_int_htab.
9525 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9527 * rtl.texi: Document the fact that all CONST_INTs with the same
9530 2000-03-30 Richard Henderson <rth@cygnus.com>
9532 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9534 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9536 * configure.in: Comment out --enable-c-cpplib stanza.
9537 * configure: Regenerate.
9539 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9541 * expr.c (store_constructor): Properly compute displacement and
9542 alignment when offset is variable.
9544 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9545 cases of alignment in bytes.
9547 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9549 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9550 since it is used to generate c-parse.y.
9551 * objc-parse.c, objc-parse.y: Regenerated.
9553 * function.c (expand_function_end): Pass alignment argument to
9554 emit_block_move in bits, not bytes.
9556 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9558 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9561 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9563 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9564 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9565 * function.c (assign_parms): Likewise.
9566 * integrate.c (expand_inline_function): Likewise.
9567 * stmt.c (expand_decl): Likewise.
9568 (copy_rtx_and_substitute): Likewise.
9569 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9570 (clear_by_pieces): Fix error in last change.
9571 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9572 * function.h (regno_pointer_align): Now unsigned.
9573 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9575 * config/i386/i386.c (aligned_operand): Likewise.
9576 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9577 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9578 (unaligned_memory_operand): Likewise.
9579 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9580 Also make alignments and sizes unsigned and some whitespace cleanup.
9581 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9583 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9584 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9585 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9586 (expand_builtin_memset): Likewise, but to clear_storage.
9587 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9588 (restore_fixed_argument_area): Likewise.
9589 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9590 (load_register_parameters): Likewise, to emit_group_load.
9591 (expand_call): Likewise, to emit_group_store and emit_block_move.
9592 (emit_library_call_value_1): Likewise, to emit_block_move.
9593 (store_one_arg): Likewise, and to emit_push_insn.
9594 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9595 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9596 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9597 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9598 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9599 (expand_assigment, store_expr, store_constructor_field): Likewise.
9600 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9601 (store_constructor, store_field, get_inner_reference): Likewise.
9602 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9603 (expand_expr, case COMPONENT_REF): Likewise.
9604 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9605 and positions; reindent code.
9606 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9607 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9608 (assign_parms): Likewise to emit_group_store.
9609 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9610 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9611 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9612 (expand_return): Likewise to {extract,store}_bit_field.
9613 * stor-layout.c (get_mode_alignment): Minor cleanup.
9614 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9615 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9617 2000-03-29 Nick Clifton <nickc@cygnus.com>
9619 * config/arm/arm.h: Undo effects of previous delta:
9620 (ASM_SPEC): Do not define.
9621 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9623 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9626 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9628 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9629 only after reading in the primary source file.
9631 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9633 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9634 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9635 or a reference to a va_list.
9636 * builtins.c (stabilize_va_list): Simplify now we don't have to
9637 work around C array address decay.
9638 * c-typeck.c (convert_for_assignment): Handle assignment to
9639 a reference parameter by taking the address of the RHS.
9640 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9641 (va_copy): Likewise.
9642 (__va_copy): Likewise.
9643 * ginclude/varargs.h (va_start): Likewise.
9644 (__va_copy): Likewise.
9646 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9648 * i386/djgpp.h: Remove extraneous "+".
9650 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9652 * calls.c (expand_call): Fix typo in last change.
9654 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9656 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9659 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9661 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9662 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9663 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9664 * tree.c (bit_position, byte_position): Likewise.
9665 * tree.h: Declare new functions.
9667 2000-03-29 Nick Clifton <nickc@cygnus.com>
9669 * config/arm/arm.c: Minor formatting changes/
9670 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9672 (ASM_SPEC): Define if not already defined.
9674 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9676 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9679 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9681 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9682 value, don't output it as unsigned.
9684 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9686 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9688 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9690 * c-common.c (c_common_nodes_and_builtins): Don't special case
9691 cplus_mode when declaring builtin bzero/bcmp, always avoid
9692 prototype arguments.
9694 2000-03-29 Bruce Korb <bkorb@gnu.org>
9696 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
9699 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9701 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
9702 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
9703 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
9704 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
9705 (save_fixed_argument_area, restore_fixed_argument_area):
9706 conditionize by #ifdef REG_PARM_STACK_SPACE only.
9707 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
9708 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
9709 (precompute_register_parameters): Avoid #ifdefs on
9710 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
9711 (stire_one_args): Likewise.
9712 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
9713 (emit_library_call_value_1): Likewise.
9714 (compute_argument_block_size): Align to STACK_BOUNDARY only for
9715 ACCUMULATE_OUTGOING_ARGS.
9716 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
9718 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
9719 (use_crosses_set_p): Likewise.
9720 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
9721 #define ACCUMULATE_OUTGOING_ARGS 1.
9722 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
9724 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
9726 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
9727 (TARGET_SWITCHES): Add push-args, no-push-args,
9728 accumulate-outgoing-args and no-accumulate-outgoing-args.
9729 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
9730 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
9731 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
9733 (emit_push_insn): Likewise.
9734 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9735 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
9736 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9737 (STACK_DYNAMIC_OFFSET): Define correctly for both
9738 ACCUMULATE_OUTGOING_ARGS and normal mode.
9739 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
9740 * tm.texi (PUSH_ARGS): Document.
9741 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
9743 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
9745 * flags.h (flag_optimize_sibling_calls): Declare.
9746 * calls.c (expand_call): Fail sibcall when
9747 !flag_optimize_sibling_calls
9748 * invoke.texi (flag_optimize_sibling_calls): Document.
9749 * toplev.c (flag_optimize_sibling_calls): New global variable.
9750 (f_options): Add flag_optimize_sibling_calls.
9751 (rest_of_compilation): Conditionize
9752 optimize_sibling_and_tail_recursive_calls by
9753 flag_optimize_sibling_calls.
9754 (main): Set flag_optimize_sibling_calls for -O2.
9755 * stmt.c (expand_return): Conditionize tail recursion by
9756 flag_optimize_sibling_calls.
9758 2000-03-29 Richard Henderson <rth@cygnus.com>
9760 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
9761 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
9763 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
9765 * except.c (add_eh_table_entry): Mark type_info's as referenced.
9767 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9769 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
9771 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
9772 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
9773 * config/rs6000/aix.h: then modified likewise.
9775 2000-03-28 Richard Henderson <rth@cygnus.com>
9777 * rtl.h: Redistribute enum reg_note documentation.
9778 Kill trailing whitespace.
9779 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
9780 Kill trailing whitespace.
9782 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
9784 * cppfiles.c (hash_IHASH): Just return i->hash.
9785 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
9786 htab_find_with_hash.
9787 (cpp_read_file): Likewise.
9788 (find_include_file): Likewise. Properly initialize
9789 ih->nshort. Share ih->name and ih->nshort if possible.
9790 * cpphash.c (_cpp_calc_hash): New function.
9791 (hash_HASHNODE): Just return h->hash.
9792 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
9793 htab_find_with_hash.
9794 * cpphash.h: Prototype _cpp_calc_hash.
9795 * cppinit.c (initialize_builtins): Provide a valid hash
9796 to _cpp_make_hashnode, using _cpp_calc_hash.
9798 * cpphash.c (collect_expansion): # is not a special character
9799 in object-like macros. In -traditional mode, /**/ is not
9800 token paste at the beginning or end of the line.
9801 * cpplib.c (do_include, do_import, do_include_next): If
9802 parse_include fails, return immediately.
9804 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
9806 * config/arm/arm.md (return peepholes): Update to reflect the new
9808 * config/arm/arm.c (arm_volatile_func): Also check
9809 current_function_nothrow.
9810 (output_return_instruction, output_func_prologue): Use it.
9811 (arm_output_epilogue, arm_expand_prologue): Likewise.
9813 2000-03-27 Tom Tromey <tromey@cygnus.com>
9815 * gcc.c (handle_braces): In {x*...} case, break out of loop if
9818 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9820 * expr.c (store_constructor): SIZE now signed.
9821 For EXPR_SIZE, don't evaluate size; just needed if constant.
9822 * fold-const.c (fold): Fix a number of cases when folded tree is
9824 * function.c (flush_addressof): Reenable.
9825 * tree.h (flush_addressof): Likewise.
9826 * toplev.c (independent_decode_option): Look at strings_processed.
9827 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
9829 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
9831 * sibcall.c (indentify_call_return_value): Find last call in the chain;
9832 Allow stack adjustment after function call.
9834 * regmove.c (struct csa_memlist): Make mem field rtx *.
9835 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
9836 (try_apply_stack_adjustment): Replace whole MEM rtx.
9837 (combine_stack_adjustments_for_block): Update calls
9838 to record_one_stack_ref.
9840 2000-03-28 Neil Booth <NeilB@earthling.net>
9842 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
9843 '\\' rather than a null character, so nulls are not special. Fix
9844 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
9845 speed trigraph conversion.
9846 (_cpp_init_input_buffer): Initialize trigraph map.
9848 2000-03-27 Alan Modra <alan@linuxcare.com.au>
9850 * config/i386/i386.c (output_387_binary_op): Correct intel
9851 mode assembly output, and add spaces after commas in AT&T
9852 output. Correct Unixware assembler comment. Document input
9853 constraints. Comment fp operations. Reduce profligate buffer
9854 size. Remove extraneous abort. Localize temp var.
9855 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
9856 (output_fix_trunc): Add spaces after commas in assembly output.
9858 2000-03-27 Richard Henderson <rth@cygnus.com>
9860 * i386-protos.h (ix86_match_ccmode): Declare.
9861 * i386.c (ix86_match_ccmode): New.
9862 (ix86_expand_fp_compare): Update for pattern renames.
9863 (ix86_expand_strlensi_unroll_1): Likewise.
9864 * i386.h (EXTRA_CC_MODES): Add CCZ.
9865 (SELECT_CC_MODE): Use it for EQ/NE zero.
9866 * i386.md (cmpsi_ccz_1): New.
9868 (*testsi_ccz_1): New.
9869 (testqi_ccz_1): New.
9870 (cmpsi_ccno_1): Rename from cmpsi_0.
9871 (testsi_ccno_1): Rename from testsi_1.
9872 (testqi_ccno_1): Rename from testqi_1.
9873 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
9874 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
9875 (*cmphi_0): Use ix86_match_ccmode.
9876 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
9877 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
9878 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
9879 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
9880 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
9881 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
9882 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
9883 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
9884 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
9885 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
9886 (appropriate peepholes): Likewise.
9887 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
9888 (*subsi_3, *subhi_3, *subqi_3): Remove.
9889 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
9890 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
9891 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
9892 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
9893 (x86_shift_adj_1): Use CCZ.
9894 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
9896 2000-03-27 Stan Cox <scox@cygnus.com>
9898 * resource.h (mark_resource_type): New.
9899 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
9900 find_free_register): Use mark_resource_type.
9901 (mark_set_resources): Change include_delayed_effects
9902 to mark_resource_type.
9903 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
9904 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
9905 Use mark_resource_type.
9907 2000-03-27 Richard Henderson <rth@cygnus.com>
9909 * i386.md (call_pop_0, call_value_pop_0): New.
9910 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
9911 (call_value_pop_1): Likewise.
9912 (call_0, call_value_0): New.
9913 (call_1, call_value_1): Remove constraint from unused arg.
9915 2000-03-27 Nick Clifton <nickc@cygnus.com>
9917 * invoke.texi (Spec Files): Document new spec % command created by
9918 Tom Tromey's recent patch.
9920 2000-03-27 Jakub Jelinek <jakub@redhat.com>
9922 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
9925 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9927 * expr.c (expand_assignment): Fix typo in last change.
9929 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
9931 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9933 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
9934 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
9935 and DECL_INLINE if FUNCTION_DECL.
9936 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
9937 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
9938 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
9939 (combine_parm_decls): Likewise.
9940 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
9941 * print-tree.c (print_node): Likewise.
9942 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
9943 DECL_TRANSPARENT_UNION on proper decl types.
9944 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
9945 * stor-layout.c (layout_decl): Only check DECL_PACKED and
9946 DECL_BIT_FIELD of FIELD_DECL.
9947 * tree.h (DECL_RESULT_FLD): New macro.
9949 * expr.c (expand_assignment): Add code to handle variable-sized
9952 2000-03-26 Richard Henderson <rth@cygnus.com>
9954 * calls.c (expand_call): Pass parms not original exp to
9955 optimize_tail_recursion. Mind return value instead of looking
9957 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
9958 call_expr. Move checks for call_expr and current_function_decl ...
9959 (expand_return): ... here.
9961 2000-03-26 Tom Tromey <tromey@cygnus.com>
9963 * gcc.c (handle_braces): Recognize `%{<S}' construct.
9964 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
9966 (process_command): Use them.
9967 (check_live_switch): Likewise.
9968 (give_switch): Skip ignored switches.
9970 2000-03-26 Jan Hubicka <jh@suse.cz>
9972 * jump.c (jump_optimize_1): Fix typo in elide optimizations
9973 for minimal jump pass test.
9975 2000-03-26 Mark Mitchell <mark@codesourcery.com>
9977 * integrate.c (function_cannot_inline_p): Do inline functions that
9980 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9982 * stor-layout.c (layout_type, set_sizetype): early_type_list is
9983 now a list of TREE_LIST entries, not types.
9984 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
9986 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
9987 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
9989 * config/mips/mips.c (function_arg): Likewise; also remove cast
9990 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
9991 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
9992 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
9993 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
9994 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
9995 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
9996 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
9997 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
9998 num_adjusts now unsigned.
9999 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10000 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10001 NREGS now unsigned.
10002 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10003 as is BITPOS variable; use host_integerp and int_bit_position.
10004 (function_arg_record_value_2): Likewise.
10005 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10006 Variable REGNO now unsigned.
10007 (function_arg_record_value): NREGS now unsigned.
10009 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10011 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10013 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10015 * Rework fields used to describe positions of bitfields and
10016 modify sizes to be unsigned and use HOST_WIDE_INT.
10017 * alias.c (reg_known_value_size): Now unsigned.
10018 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10019 (really_start_incremental_init): Use bitsize_zero_node.
10020 (push_init_level, pop_init_level, output_init_element): Likewise.
10021 Use bitsize_unit_node and bitsize_one_node.
10022 (output_pending_init_elements, process_init_element): Likewise.
10023 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10024 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10025 HOST_WIDE_INT, respectively.
10026 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10027 (num_sign_bit_copies): Returns unsigned.
10028 BITWIDTH now unsigned; rework arithmetic.
10029 Remove recursive call from arg to MAX.
10030 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10031 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10032 REGNO now unsigned.
10033 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10034 (find_split_point, expand_compound_operation, make_extraction): LEN
10035 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10036 (make_field_assignment): Likewise.
10037 (combine_simplify_rtx): Add cast.
10038 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10039 (force_to_mode): WIDTH now unsigned; add cast.
10040 (if_then_else_cond): SIZE now unsigned.
10041 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10042 (extended_count): Now returns unsigned.
10043 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10044 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10045 (simplify_comparison): MODE_WIDTH now unsigned.
10046 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10047 (mark_used_regs_combine): Likewise; rework arithmetic.
10048 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10049 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10050 (record_promoted_value): REGNO now unsigned.
10051 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10052 (get_last_value): REGNO now unsigned.
10053 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10054 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10055 (remove_death): Arg REGNO now unsigned.
10056 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10057 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10059 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10060 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10061 (struct cse_reg_info): REGNO now unsigned.
10062 (cached_regno): Now unsigned.
10063 (REGNO_QTY_VALID_P): Add cast.
10064 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10065 (remove_invalid_regs): Likewise.
10066 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10067 as are variables END and I.
10068 (get_cse_reg_info, insert): Likewise.
10069 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10070 (canon_hash): Likewise.
10071 (insert_regs, lookup_for_remove): REGNO now unsigned.
10072 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10074 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10075 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10076 * emit-rtl.c (subreg_realpart_p): Add cast.
10077 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10078 (operand_subword_force): Arg I is now unsigned.
10079 * except.c (eh_regs): Variable I is now unsigned.
10080 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10081 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10082 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10083 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10084 (extract_split_bit_field, store_bit_field, extract_bit_field):
10086 * expr.c (store_constructor_fields, store_constructor, store_field):
10087 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10088 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10089 (do_jump): Likewise.
10090 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10091 MAX_SIZE is now unsigned.
10092 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10093 (emit_group_store): Likewise.
10094 (emit_move_insn): I now unsigned.
10095 (store_constructor): Use host_integerp, tree_low_cst, and
10097 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10098 Rework all calculations to use trees and new fields.
10099 * expr.h (promoted_input_arg): Regno now unsigned.
10100 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10101 (mark_seen_cases): Arg is HOST_WIDE_INT.
10102 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10103 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10104 precisions and alignments are unsigned.
10105 (optimize_bit_field_compare, fold_truthop): Likewise.
10106 (int_const_binop): Adjust threshold for size_int_type_wide call.
10107 (fold_convert): Likewise.
10108 (size_int_type_wide): Make table larger and fix thinko that only
10109 had half of table used.
10110 (all_ones_mask_p, fold): Precisions are unsigned.
10111 * function.c (put_reg_info_stack): REGNO is unsigned.
10112 (instantiate_decl): Size is HOST_WIDE_INT.
10113 (instantiate_virtual_regs): I is unsigned.
10114 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10115 (promoted_input_arg): REGNO is unsigned.
10116 * function.h (struct function): x_max_parm_reg is now unsigned.
10117 * gcse.c (max_gcse_regno): Now unsigned.
10118 (struct null_pointer_info): min_reg and max_reg now unsigned.
10119 (lookup_set, next_set): REGNO arg now unsigned.
10120 (compute_hash_table): REGNO and I now unsigned.
10121 (handle_avail_expr): regnum_for_replacing now unsigned.
10122 (cprop_insn): REGNO now unsigned.
10123 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10124 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10125 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10126 * hard-reg-set.h (reg_class_size): Now unsigned.
10127 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10128 * jump.c (mark_modified_reg): I now unsigned; add cast.
10129 (rtx_equal_for_thread_p): Add cast.
10130 * loop.c (max_reg_before_loop): Now unsigned.
10131 (struct_movable): REGNO now unsigned.
10132 (try_copy_prop): REGNO arg unsigned.
10133 (regs_match_p): XN and YN now unsigned.
10134 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10135 (strength_reduce): Likewise; NREGS also unsigned.
10136 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10137 * loop.h (struct iv_class): REGNO now unsigned.
10138 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10140 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10141 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10142 * optabs.c (expand_binop): I and NWORDS now unsigned.
10143 (expand_unop): I now unsigned.
10144 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10145 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10146 * real.c (significand_size): Now returns unsigned.
10147 * real.h (significand_size): Likewise.
10148 * regclass.c (reg_class_size): Now unsigned.
10149 (choose_hard_reg_mode): Both operands now unsigned.
10150 (record_reg_classes): REGNO and NR now unsigned.
10151 (reg_scan): NREGS now unsigned.
10152 (reg_scan_update): old_max_regno now unsigned.
10153 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10154 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10155 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10156 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10157 Likewise for variable R.
10158 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10159 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10160 (find_equiv_reg): Add casts.
10161 (regno_clobbered_p): Arg REGNO now unsigned.
10162 * reload.h (struct reload): NREGS now unsigned.
10163 (refers_to_regno_for_reload_p): Regno args are unsigned.
10164 (regno_clobbered_p): Likewise.
10165 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10166 (compute_use_by_pseudos): REGNO now unsigned.
10167 (find_reg): I and J now unsigned, new variable K, and change loop
10168 variables accordingly; THIS_NREGS now unsigned.
10169 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10170 (spill_hard_reg): REGNO arg now unsigned; add casts.
10171 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10172 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10173 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10174 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10175 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10176 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10177 (emit_reload_insns): REGNO now unsigned.
10178 (reload_cse_move2add): Add cast.
10179 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10181 * resource.c (mark_referenced_resources, mark_set_resources): New
10182 variable R; REGNO and LAST_REGNO now unsigned.
10183 (mark_target_live_regs): J and REGNO now unsigned.
10184 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10185 * rtl.h (union rtunion_def): New field rtuint.
10186 (XCUINT): New macro.
10187 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10188 (operand_subword, operand_subword_force): Word number is unsigned.
10189 (choose_hard_reg_mode): Operands are unsigned.
10190 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10191 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10192 (regno_use_in, combine_instructions, remove_death): Likewise.
10193 (reg_scan, reg_scan_update): Likewise.
10194 (extended_count): Return is unsigned.
10195 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10196 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10197 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10198 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10199 (reg_reg_last_1): FIRS and LAST now unsigned.
10200 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10201 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10203 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10204 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10205 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10206 (replace_regs): Arg NREGS now unsigned.
10207 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10208 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10209 (simplify_binary_operation): Likewise.
10210 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10211 THIS_LAST now unsigned.
10212 (cselib_record_set): Add cast.
10213 * ssa.c (ssa_max_reg_num): Now unsigned.
10214 (rename_block): REGNO now unsigned.
10215 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10216 sizes now unsigned.
10217 (all_cases_count): Just return -1 not -2.
10218 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10219 Rework tests to use trees whenever possible.
10220 Use host_integerp and tree_low_cst.
10221 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10222 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10223 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10224 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10225 (smallest_mode_for_size): Likewise.
10226 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10227 KNOWN_ALIGN is now an alignment, so simplify code.
10228 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10229 (start_record_layout): Renamed from new_record_layout_info.
10230 Update to new fields.
10231 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10233 (place_union_field): Renamed from layout_union_field.
10234 Update to use new fields in rli.
10235 (place_field): Renamed from layout_field.
10236 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10237 (finalize_record_size): Rework to use new fields in rli and handle
10239 (compute_record_mode): Rework to simplify and to use new DECL fields.
10240 (finalize_type_size): Make rounding more consistent.
10241 (finish_union_layout): Deleted.
10242 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10243 (layout_type, case RECORD_TYPE): Call new function names.
10244 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10245 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10246 (get_best_mode): UNIT is now unsigned; remove casts.
10247 * tree.c (bit_position): Compute from new fields.
10248 (byte_position, int_byte_position): New functions.
10249 (print_type_hash_statistics): Cast to remove warning.
10250 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10251 (build_index_type): Likewise; make subtype of sizetype.
10252 (build_index_2_type): Pass sizetype to build_range_type.
10253 (build_common_tree_nodes): Use size_int and bitsize_int to
10254 initialize nodes; add bitsize_{zero,one,unit}_node.
10255 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10256 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10257 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10258 (DECL_FIELD_BITPOS): Deleted.
10259 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10260 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10261 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10262 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10263 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10264 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10265 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10266 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10267 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10268 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10269 (DECL_ALIGN): Adjust to new field in union.
10270 (DECL_OFFSET_ALIGN): New field.
10271 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10272 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10273 (union tree_decl): Add struct for both aligns.
10274 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10275 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10276 (struct record_layout_info): Rework fields to have offset
10277 alignment and byte and bit position.
10278 (start_record_layout, place_field): Renamed from old names.
10279 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10280 (byte_position, int_byte_position): Likewise.
10281 (get_inner_reference): Change types of position and length.
10282 * unroll.c (unroll_loop): New variable R; use for some loops.
10283 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10284 (calculate_giv_inc): Arg REGNO now unsigned.
10285 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10286 * varasm.c (assemble_variable): Clean up handling of size using
10287 host_integerp and tree_low_cst.
10288 (decode_addr_const): Use byte, not bit, position.
10289 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10290 use tree_low_cst and int_bit_position.
10291 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10293 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10295 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10296 (reorder_block_def): New members eff_head and eff_end.
10297 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10298 (verify_insn_chain): New function.
10299 (skip_insns_between_block): Add code to skip deleted insns.
10300 Check for note before using.
10301 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10302 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10303 Check for note before using.
10304 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10305 (fixup_reorder_chain): Restructure, clean up, defect removal.
10306 (reorder_basic_blocks): Remove last_insn and references to it.
10307 Moved insn chain verification code into a new function (see above).
10308 Delete defective code that sets last insn.
10309 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10312 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10314 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10316 2000-03-24 Richard Henderson <rth@cygnus.com>
10318 * tree.c (lang_safe_for_unsave): Remove.
10319 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10320 allowing for two levels of unsafeness. Remove lang hook.
10321 * tree.h: Update declarations.
10322 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10323 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10324 Always fail sibcalls when there are pending cleanups.
10326 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10328 * flow.c (propagate_block): When we delete an ADDR_VEC,
10329 also delete the BARRIER following it if there is one.
10331 2000-03-24 Richard Henderson <rth@cygnus.com>
10333 * builtins.c (expand_builtin_bzero): Convert `length' argument
10336 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10338 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10339 comparison if regno's are equal.
10340 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10341 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10342 (expand_call): Update caller.
10343 Avoid making a sibling call if argument size of the callee is larger
10344 than argument size of the caller.
10345 Call hard_function_value with outgoing set if in sibcall pass.
10346 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10348 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10349 Change LEAF_REGISTERS from an array initializer to actual array
10350 identifier. Move static global variable into the function.
10351 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10352 sequences for leaf functions.
10353 * global.c (global_alloc): Likewise.
10354 * tm.texi (LEAF_REGISTERS): Update documentation.
10356 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10357 TARGET_FLAT leaf disabling hack.
10358 (LEAF_REGISTERS): Changed from an array initializer to actual array
10359 identifier to avoid duplication and remove the above hack.
10360 (FUNCTION_OK_FOR_SIBCALL): Define.
10361 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10362 always like call attribute.
10363 (eligible_for_sibcall_delay): New attribute.
10364 (sibcall): New delay type.
10365 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10366 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10367 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10368 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10369 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10371 (output_function_epilogue): Move part of the code into
10372 output_restore_regs.
10373 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10375 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10378 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10379 until infrastructure is finished.
10381 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10383 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10384 (save_parm_insns): Not here.
10386 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10388 * builtins.c (expand_builtin_bzero): New function.
10389 (expand_builtin): Handle bzero.
10391 * builtins.def: Add BUILT_IN_BZERO.
10393 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10394 prototype & function for bzero.
10396 2000-03-23 Michael Meissner <meissner@redhat.com>
10398 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10399 change adding TARGET_FP to the TF floating point insns, except for
10400 trunctfsf2, which generates direct calls to truncdfsf2.
10402 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10404 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10405 try to protect against middle-end changes that break binary
10407 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10409 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10411 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10413 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10415 * calls.c (expand_call): If TARGET is passed by reference and
10416 is readonly, write a CLOBBER.
10418 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10420 * builtins.c (expand_builtin): Handle bcmp.
10422 * builtins.def: Add BUILT_IN_BCMP.
10424 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10425 prototype & function for bcmp.
10427 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10429 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10430 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10431 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10433 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10435 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10436 alternative when using -fp64 -gp32.
10438 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10440 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10441 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10442 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10444 * frame.h (frame_state): Revert last change.
10445 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10446 * libgcc2.c (throw_helper): Revert last change.
10448 2000-03-22 Richard Henderson <rth@cygnus.com>
10450 * stmt.c (expand_asm_operands): Don't promote the temporary.
10452 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10454 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10455 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10456 c_get_alias_set): Likewise.
10457 * c-decl.c (duplicate_decls): Likewise.
10458 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10459 * calls.c (initialize_argument_information): Likewise.
10460 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10462 * dwarfout.c (decl_class_context,output_type): Likewise.
10463 * expr.c (get_inner_reference): Likewise.
10464 * fold-const.c (simple_operand_p,fold): Likewise.
10465 * function.c (aggregate_value_p): Likewise.
10466 * stmt.c (expand_asm_operands): Likewise.
10467 * varasm.c (named_section): Likewise.
10469 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10471 Implement dwarf2 exception handling for the ARM.
10472 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10473 (DWARF_FRAME_RETURN_COLUMN): Define.
10474 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10475 REG_FRAME_RELATED_EXPR note.
10476 (emit_sfm): Likewise.
10477 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10478 * dwarf2out.c (reg_save): Handle saving a register to itself.
10479 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10480 * except.c (eh_regs): Don't use the static chain reg if it's
10482 * frame.h (frame_state): Add cfa_saved field.
10483 * frame.c (execute_cfa_insn): Set it.
10484 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10486 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10488 (instantiate_virtual_regs): Adjust.
10490 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10491 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10492 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10494 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10495 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10497 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10499 * builtins.def: New file.
10501 * Makefile.in (TREE_H): Depend on builtins.def.
10503 * builtins.c (built_in_names): Use builtins.def.
10505 * tree.h (built_in_function): Likewise.
10507 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10509 * tree.c (size_in_bytes): Return size_zero_node, not
10512 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10514 * config/fp-bit.c (pack_d): Correct the case when a denormal
10515 is rounded up and stops being denormal.
10517 2000-03-21 Richard Henderson <rth@cygnus.com>
10519 * config/alpha/alpha.c (function_arg): Check for void_type_node
10520 before using MUST_PASS_IN_STACK.
10522 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10524 * regmove.c (combine_stack_adjustments_for_block): Check that
10525 the stack pointer is a valid memory address.
10527 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10529 * calls.c: re-install Mar 16 emit_library_call merge.
10531 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10533 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10534 we cannot be sure that if reload_completed base register will
10535 be properly aligned.
10537 2000-03-21 Richard Henderson <rth@cygnus.com>
10539 * flow.c (delete_block): Fix typo last change.
10541 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10543 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10544 not COMPLETE_TYPE_P, to check the type of the expression.
10546 2000-03-21 Michael Meissner <meissner@redhat.com>
10548 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10549 all floating point insns that just tested the macro
10550 TARGET_HAS_XFLOATING_LIBS.
10551 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10552 used to only use the gprs.
10554 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10556 * tree.h (COMPLETE_TYPE_P): New macro.
10557 (COMPLETE_OR_VOID_TYPE_P): New macro.
10558 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10559 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10560 * c-aux-info.c (gen_type): Use them.
10561 * c-common.c (c_expand_expr_stmt): Likewise.
10562 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10563 grokdeclarator, grokparms, finish_struct, start_function,
10564 store_parm_decls, combine_parm_decls): Likewise.
10565 * c-parse.y (cast_expr): Likewise.
10566 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10567 c_size_in_bytes, c_alignof, build_component_ref,
10568 build_indirect_ref, build_array_ref, convert_arguments,
10569 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10570 * calls.c (initialize_argument_information): Likewise.
10571 * convert.c (convert_to_integer): Likewise.
10572 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10573 * dwarfout.c (location_or_const_value_attribute,
10574 output_enumeration_type_die, output_structure_type_die,
10575 output_union_type_die, output_type): Likewise.
10576 * expr.c (safe_from_p, expand_expr): Likewise.
10577 * function.c (assign_parms): Likewise.
10578 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10579 * tree.c (build_array_type, build_function_type,
10580 build_method_type, build_offset_type, build_complex_type): Likewise.
10581 * c-parse.c, c-parse.h: Regenerated.
10583 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10585 * config/c4x/rtems.h: Include config/rtems.h.
10587 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10589 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10590 decl is a FUNCTION_DECL
10592 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10594 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10595 function uses output registers. Don't save RP for leaf functions.
10596 Do save RP even if no epilogue.
10597 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10598 (CALL_USED_REGISTERS): Unmark in registers.
10599 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10600 to near the middle.
10602 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10604 * config/rs6000/rs6000.md (bunordered): New expander.
10605 (bordered): New expander.
10606 (buneq): New expander.
10607 (bunge): New expander.
10608 (bungt): New expander.
10609 (bunle): New expander.
10610 (bunlt): New expander.
10611 (bltgt): New expander.
10613 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10614 (ccr_bit_negated_p): New function.
10615 (print_operand): For %C, generate appropriate cror for UNEQ,
10616 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10618 2000-03-20 Andreas Jaeger <aj@suse.de>
10620 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10623 * tree.h (safe_for_unsave): Prototype.
10625 2000-03-20 Richard Henderson <rth@cygnus.com>
10627 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10628 (combine_stack_adjustments_for_block): Don't allow sp references
10629 in the side of a set we're not fixing up.
10630 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10631 after life_analysis.
10633 2000-03-20 Richard Henderson <rth@cygnus.com>
10635 * calls.c (expand_call): Don't bother generating tail call
10636 sequences if there are pending cleanups. Use
10637 expand_start_target_temps/expand_end_target_temps to elide
10638 cleanups created during sibcall expansion.
10640 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10642 * configure.in: Set $IFS to a value if it doesn't already have one
10643 in the --enable-checking handling.
10644 * configure: Regenerate.
10646 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10648 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10649 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10652 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10654 * jump.c (delete_noop_moves): Remove code attempting to
10655 combine stack adjustments.
10657 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10659 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10660 * except.c (emit_cleanup_handler): Use them.
10661 (expand_end_all_catch): Likewise.
10662 * function.c (fixup_var_refs): Likewise.
10663 (expand_function_end): Clear catch_clauses_last.
10664 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10665 * except.h (struct eh_status): New field x_catch_clauses_last.
10666 (catch_clauses_last): New define.
10668 * Makefile.in (tree.o): Depend on HASHTAB_H.
10669 * tree.c: Include hashtab.h.
10670 (struct type_hash): Remove next field.
10671 (TYPE_HASH_SIZE): Remove.
10672 (TYPE_HASH_INITIAL_SIZE): New define.
10673 (type_hash_table): Change type to htab_t.
10674 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10675 mark_hash_entry): New functions.
10676 (init_obstacks): Allocate type hash.
10677 (type_hash_lookup): Use htab functions.
10678 (type_hash_add, mark_type_hash): Likewise.
10679 (dump_tree_statistics): Call print_type_hash_statistics.
10681 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10683 * rs6000/t-aix41: New file.
10685 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10687 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10689 * tm.texi (Driver): Fix typos and tweak entry for
10691 Move misplaced STRUCT_FORCE_BLK entry ...
10692 (Storage Layout): ... to here.
10693 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
10695 2000-03-19 Richard Henderson <rth@cygnus.com>
10697 * flow.c (delete_block): Delete the addr_vec along with the block.
10698 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
10701 * fold-const.c (extract_muldiv): Apply type check for defined
10702 overflow to multiply as well as divide.
10704 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
10706 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10708 * emit-rtl.c (remove_unncessary_notes): Check that all
10709 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
10710 associated NOTE_BLOCK.
10711 * function.h (identify_blocks): Update comments.
10712 (reorder_blocks): Declare.
10713 * function.c (identify_blocks): Don't take paramters.
10714 (reorder_blocks): Don't take parameters.
10715 * loop.h (find_loop_tree_blocks): Remove.
10716 (unroll_block_trees): Likewise.
10717 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
10718 reorder_blocks instead of unroll_block_trees.h
10719 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
10720 * stmt.c (find_loop_tree_blocks): Remove.
10721 (unroll_block_trees): Likewise.
10722 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
10723 in whole-function mode.
10724 * tree.h (reorder_blocks): Remove declaration.
10726 * expr.c: Include intl.h.
10727 * Makefile.in (expr.o): Depend on intl.h.
10729 2000-03-18 Richard Henderson <rth@cygnus.com>
10731 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
10733 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10735 * tree.h (tree_index): Remove enumerals for integer types.
10736 (integer_type_kind): New type.
10737 (integer_types): New variable.
10738 (char_type_node): Adjust.
10739 (signed_char_type_node): Likewise.
10740 (unsigned_char_type_node): Likewise.
10741 (short_integer_type_node): Likewise.
10742 (short_unsigned_type_node): Likewise.
10743 (integer_type_node): Likewise.
10744 (unsigned_type_node): Likewise.
10745 (long_integer_type_node): Likewise.
10746 (long_unsigned_type_node): Likewise.
10747 (long_long_integer_type_node): Likewise.
10748 (long_long_unsigned_type_node): Likewise.
10749 * tree.c (integer_types): New variable.
10750 (init_obstacks): Register it as a root.
10752 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
10754 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
10755 NEXT_INSN. Update last insn in chain.
10757 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
10759 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
10760 with TYPE_DECL_SUPPRESS_DEBUG set.
10762 2000-03-18 Richard Henderson <rth@cygnus.com>
10764 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
10766 2000-03-18 Richard Henderson <rth@cygnus.com>
10768 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
10769 care for HALF_PIC_P.
10770 (expander_call_insn_operand): Remove.
10771 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
10772 * i386.h (PREDICATE_CODES): Update.
10773 * i386.md (all call expanders): Remove predicates, remove special
10774 handling for half-pic.
10775 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
10776 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
10777 (sibcall_epilogue): New.
10779 2000-03-17 Richard Henderson <rth@cygnus.com>
10781 * rtlanal.c (single_set): Reject if the parallel has anything
10782 except SET or USE or CLOBBER.
10784 2000-03-17 Jeff Law <law@cygnus.com>
10785 Richard Henderson <rth@cygnus.com>
10787 * Makefile.in (OBJS): Add sibcall.o.
10789 * sibcall.c: New file.
10790 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
10791 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
10792 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
10793 Emit sibcall patterns when requested. Update all callers.
10794 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
10795 elimination seems feasable.
10796 * final.c (leaf_function_p): Sibling calls don't discount being
10798 * flow.c (HAVE_sibcall_epilogue): Provide default.
10799 (find_basic_blocks_1): Sibling calls don't throw.
10800 (make_edges): Make edge from sibling call to EXIT.
10801 (propagate_block): Don't remove sibcall_epilogue insns.
10802 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
10803 (sibcall_epilogue): New.
10804 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
10805 (identify_blocks_1): Likewise. Break out from ...
10806 (identify_blocks): ... here.
10807 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
10808 (reorder_blocks): ... here.
10809 (init_function_for_compilation): Zap prologue/epilogue as varrays.
10810 (record_insns): Extend a varray instead of mallocing new memory.
10811 (contains): Read a varray not array of ints.
10812 (sibcall_epilogue_contains): New.
10813 (thread_prologue_and_epilogue_insns): Emit and record
10814 sibcall_epilogue patterns.
10815 (init_function_once): Allocate prologue/epilogue varrays.
10816 * genflags.c (gen_insn): Treat sibcall patterns as calls.
10817 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
10818 Broken out from ...
10819 (save_for_inline_nocopy): ... here.
10820 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
10821 Broken out from ...
10822 (expand_inline_function): ... here.
10823 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
10824 (subst_constants): Handle 'n' formats.
10825 * jump.c (jump_optimize_minimal): New.
10826 (jump_optimize_1): New arg `minimal'; update callers. Elide most
10827 optimizations if it's set.
10828 * rtl.c (copy_rtx): Do copy jump & call for insns.
10829 * rtl.h (struct rtx_def): Document use of jump and call for insns.
10830 (SIBLING_CALL_P): New.
10831 (sibcall_use_t): New.
10832 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
10833 Invoke optimize_sibling_and_tail_recursive_calls.
10834 * tree.c (lang_safe_for_unsave): New.
10835 (safe_for_unsave): New.
10836 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
10838 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
10839 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
10840 (*sibcall_osf_1, *sibcall_value_osf_1): New.
10842 2000-03-17 Mark Mitchell <mark@codesourcery.com>
10844 * objc/objc-act.c (encode_method_prototype): Pass types, not
10845 PARM_DECLs, to int_size_in_bytes.
10847 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
10849 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
10851 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10852 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
10854 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10856 * Clean up usages of TREE_INT_CST_LOW.
10857 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
10858 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10860 * c-tree.h (min_precision): Move declaration to here.
10861 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
10862 (build_unary_op, add_pending_init): Use bit_position.
10863 (pending_init_member, process_init_element): Likewise.
10864 (really_start_incremental_init, push_init_level, pop_init_level):
10865 Don't make copies of nodes or modify them in place, use consistent
10866 types when tracking positions, and use tree routines computations.
10867 (set_init_index, output_init_element): Likewise.
10868 (output_pending_init_elements, process_init_element): Likewise.
10869 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
10870 tree_low_cst and int_bit_position; also minor cleanup.
10871 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
10872 (print_cst_octal): Precision is unsigned.
10873 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
10874 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
10875 (simple_type_align_in_bits): Result is unsigned int.
10876 Use tree_int_low_cst and host_integerp.
10877 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
10878 (field_byte_offset): Result is HOST_WIDE_INT.
10879 Change types of internal variables so alignments are unsigned int,
10880 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
10881 Use host_integerp, tree_low_cst, and int_bit_position.
10882 (add_bit_offset_attribute): Likewise.
10883 (add_data_member_location_attribute): Use tree_cst_low.
10884 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
10885 (add_bit_size_attribute): Use tree_low_cst.
10886 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
10887 * dwarfout.c: Similar changes to dwarf2out.c.
10888 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
10889 * genoutput.c (n_occurences): Return -1 for null string.
10890 (strip_whitespace): Accept null string and make into function.
10891 (scan_operands): Reflect above changes.
10892 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
10893 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
10894 * ssa.c (rename_registers): Add missing cast of arg to bzero.
10895 * tree.c (int_size_in_bytes): Check for too big to represent.
10896 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
10897 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
10899 (min_precision): Delete from here.
10900 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
10901 and int_bit_position.
10902 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
10903 (encode_method_def): Likewise.
10904 (build_ivar_list_initializer): Use int_bit_position.
10905 (generate_shared_structures): Convert size.
10906 (encode_type, encode_complete_bitfield): Use integer_zerop.
10907 (encode_bitfield): Use tree_low_cst and int_bit_position.
10909 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10911 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
10913 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10915 * call.c (special_function_p): It is only malloc if it returns
10918 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10920 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
10921 (C33_FLAG, TARGET_C3X): Add macros.
10922 (TARGET_SWITCHES): Add -m33 option.
10923 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
10925 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10927 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
10928 (PARALLEL_PACK_FLAG): Delete.
10929 (TARGET_SWITCHES): Update.
10930 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
10932 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10934 * fold-const.c (fold): Fix a few cases when the returned result
10935 is not of the same type as the input.
10937 2000-03-16 Nick Clifton <nickc@cygnus.com>
10939 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
10942 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10944 * libgcc2.h: Move prototypes above macros with the same name.
10945 Wrap some function prototypes in the conditional which indicates
10946 whether they are supported, i.e. "BITS_PER_UNIT == 8".
10948 2000-03-16 Richard Henderson <rth@cygnus.com>
10950 * calls.c: Revert last two changes.
10952 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
10954 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
10955 has exponent 0 is a zero.
10957 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
10958 HASH may already be nonzero. Add code/mode into hash value
10959 immediately after repeat label.
10960 (cselib_lookup): Don't leave the hash table in an inconsistent
10961 state before a hash lookup operation.
10963 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
10965 * i386.md (all HI and QI mode non-move patterns): Conditionize
10966 by TARGET_[HQ]IMODE_MATH.
10967 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10968 x86_promote_qi_regs): Declare.
10969 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
10970 TARGET_PROMOTE_QI_REGS): New macros.
10971 (PROMOTE_MODE): New macro.
10972 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10973 x86_promote_qi_regs): New global variables.
10975 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
10977 * calls.c (emit_library_call_value_1): Break out from ...; handle
10978 VOIDmode function calls too.
10979 (emit_library_call_value): ... here.
10980 (emit_library_call): Implement by calling emit_library_call_value_1.
10982 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
10984 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
10985 Update arg_space_so_far on stack adjustments.
10986 (emit_library_call, emit_library_call_value): Likewise; take into
10987 account arg_space_so_far and pending_stack_adjust when calculcating
10990 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
10992 * flow.c: Move all basic block reordering code into its own file.
10993 (create_basic_block): Externalize.
10994 * bb-reorder.c: New file. Copy all basic block reordering code from
10995 flow.c to this file.
10996 (reorder_basic_blocks): Fix fencepost error in for-loop.
10997 (reorder_basic_blocks): Remove braces from single statement for-loops.
10998 * basic-block.h: Add declaration for create_basic_block.
10999 * Makefile.in: Add rules for bb-reorder.o.
11001 2000-03-16 Neil Booth <NeilB@earthling.net>
11003 * cppinit.c (handle_option): Implement #unassert directive
11004 as -A- command line option.
11005 (print_help): Update.
11006 * cpptexi.c: Update.
11008 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11010 * md.texi (Standard Names): Document `jump'.
11012 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11014 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11017 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11019 Merge changes from newppc-branch onto trunk.
11021 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11023 * rs6000.c (toc_hash_table): Update for new hash table functions.
11024 (toc_hash_function): Likewise.
11025 (toc_hash_eq): Likewise.
11026 (toc_hash_mark_entry): Likewise.
11027 (toc_hash_mark_table): Likewise.
11028 (output_toc): Likewise.
11029 (rs6000_add_gc_roots): Likewise.
11031 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11033 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11034 (AR_FLAGS_FOR_TARGET): here. New macro.
11036 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11038 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11039 fpmem_operand) Delete.
11041 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11042 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11043 (rs6000_save_machine_status, rs6000_restore_machine_status,
11044 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11045 references to above variables.
11046 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11047 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11048 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11049 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11050 (XER_REGNO_P, XER_REGNO): New.
11051 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11052 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11053 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11055 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11056 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11057 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11059 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11061 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11062 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11063 * rs6000.h: from here.
11065 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11066 (rs6000_select_rtx_section): Likewise.
11067 (rs6000_encode_section_info): Likewise.
11068 (sdata_section): Likewise.
11069 (sdata2_section): Likewise.
11070 (sbss_section): Likewise.
11071 * sysv4.h (rs6000_select_section): Delete prototype.
11072 (rs6000_select_rtx_section): Likewise.
11073 (rs6000_encode_section_info): Likewise.
11074 (sdata_section): Likewise.
11075 (sdata2_section): Likewise.
11076 (sbss_section): Likewise.
11077 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11079 * sysv4.h: Delete various unnecessary #undef's and put a comment
11080 on the remaining ones.
11081 Change various comments according to coding standard.
11083 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11085 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11086 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11087 (CR0_REGNO_P) Remove.
11088 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11089 setup_incoming_varargs, mtcrf_operation, print_operand,
11090 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11091 Use the above macros.
11093 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11095 * config/rs6000/rs6000.md: Added a new alternative for each
11096 pattern that had a 'x' alternative but no 'y' alternative.
11097 Added a new split for each of the above patterns.
11099 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11101 * aix41.h (ASM_CPU_SPEC): Delete.
11102 (CPP_CPU_SPEC): Delete.
11104 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11105 (ASM_OUTPUT_LABEL): Define.
11106 (ASM_GLOBALIZE_LABEL): Define.
11107 (STRIP_NAME_ENCODING): Define.
11108 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11109 (STRIP_NAME_ENCODING): Don't define.
11110 (ASM_OUTPUT_LABEL): Don't define.
11111 (ASM_GLOBALIZE_LABEL): Don't define.
11112 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11113 names, and ASM_OUTPUT_LABEL to output labels, rather than
11115 (ASM_OUTPUT_LABEL): Define.
11116 (ASM_OUTPUT_INT): Use assemble_name.
11117 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11118 (STRIP_NAME_ENCODING): Don't undefine first.
11119 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11121 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11122 specified with 'asm' even with -fleading-underscore.
11123 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11124 (output_epilog): Likewise.
11125 (output_toc): Likewise.
11126 * tramp.asm: Handle -fleading-underscore correctly.
11128 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11130 (nonlocal_goto_receiver): Delete.
11131 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11133 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11134 (SET_ASM_OP): Define.
11135 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11137 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11138 (ASM_LONG): Define.
11140 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11141 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11143 * rs6000.h: Add 'u' to more constants.
11145 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11147 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11149 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11151 * rs6000.c (reg_or_u_cint_operand): New function.
11152 (logical_operand): Handle 64-bit hosts.
11153 (logical_u_operand): New function.
11154 (non_logical_cint_operand): Handle 64-bit hosts.
11155 (non_logical_u_cint_operand): New function.
11156 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11157 (PREDICATE_CODES): Define new functions.
11158 * rs6000-protos.h: Declare new functions.
11159 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11160 (movdi_64): Bracket code intended for 64-bit hosts. Create
11161 CONST_DOUBLE for 32-bit values.
11162 (scc insns): Generate DImode compares.
11163 (mfcr insns): Create DImode versions.
11164 (sge matchers): New patterns.
11166 2000-02-15 Gabriel Paubert <paubert@iram.es>
11168 * rs6000.md: Correct instructions length attributes and
11169 constraints on unsigned compare instructions.
11170 (*ne0): Disable for PowerPC64.
11172 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11174 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11175 quantity, fix profile1.C test failure under -fPIC.
11177 * rs6000.c: Add 'u' to many constants to suppress warnings.
11178 (constant_pool_expr_1): Make static.
11179 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11180 * rs6000.h: Add 'u' to many constants to suppress warnings.
11182 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11183 for the start of the TOC, instead of LCTOC..0.
11184 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11186 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11187 (load_toc_aix_di): Use LCTOC..1.
11189 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11190 * rs6000.c (rs6000_legitimize_address): New function from
11191 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11192 symbols in the constant pool that really are TOC references.
11193 (print_operand_address): For ELF, write TOC offsets under
11194 -fPIC as subtractions in the insn.
11195 (output_toc): For ELF, define symbols in TOC as normal labels,
11197 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11198 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11199 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11200 * rs6000.md (movsi): Only use create_TOC_reference on
11201 symbols in the constant pool that really are TOC references.
11203 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11204 * rs6000.c (rs6000_reorg): Delete.
11205 * rs6000-protos.h (rs6000_reorg): Delete.
11207 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11209 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11211 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11212 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11213 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11214 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11215 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11216 rs6000_aix_emit_builtin_unwind_init.
11217 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11218 rs6000_emit_eh_toc_restore on AIX.
11219 (return_eh_si): Use r2.
11220 (return_eh_di): Use r2.
11222 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11223 since we're breaking binary compatibility anyway.
11225 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11227 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11228 constant_pool_expr_p): Declare them.
11229 (constant_pool_expr_p): Declare it.
11230 * config/rs6000/rs6000.c (toc_label_name): Define.
11231 (rs6000_override_options): Set toc_label_name.
11232 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11233 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11234 uses_TOC): New functions.
11235 (print_operand): Delete old '*' case.
11236 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11237 and strip off rtl for TOC before calling output_addr_const.
11238 (rs6000_emit_load_toc_table): Use toc_label_name.
11239 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11241 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11242 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11243 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11244 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11245 into explicit TOC_REGISTER offsets.
11246 (TOC_REGISTER): New macro.
11247 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11248 TARGET_TOC to reference TOC_REGISTER.
11249 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11250 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11251 uses_TOC before emitting label references.
11253 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11255 * rs6000.md (stack_tie): Fix warning.
11257 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11258 to handle -fleading-underscore.
11259 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11260 (USER_LABEL_PREFIX): New macro.
11261 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11262 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11263 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11264 call-linux can use the same multilibs.
11265 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11266 and call-linux multilibs. Do multilib with -fleading-underscore.
11267 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11268 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11271 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11272 have MASK_SOFT_FLOAT set.
11273 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11274 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11275 CPP_FLOAT_DEFAULT_SPEC.
11277 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11278 * rs6000.md: Whitespace change.
11279 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11280 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11282 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11284 * rs6000.md (eh_epilogue): New expander.
11285 (eh_reg_restore): New expand/split/insn combination.
11286 (return_eh_si): New insn.
11287 (return_eh_di): New insn.
11289 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11290 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11291 * eabi-ctors.c (__do_global_ctors): Register this object's
11292 frame. Clean up. Call atexit() after the constructors.
11293 (__do_global_dtors): Deregister this object's frame. Clean up.
11294 Allow for recursive calls to exit().
11295 * rs6000.c (fixuplabelno): New variable.
11296 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11297 TARGET_RELOCATABLE, it slows down exec() under linux.
11298 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11300 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11301 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11302 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11303 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11304 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11305 (ASM_OUTPUT_DWARF_ADDR): New macro.
11306 (ASM_OUTPUT_DWARF_DATA4): New macro.
11307 (ASM_OUTPUT_DWARF_DATA2): New macro.
11308 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11309 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11310 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11312 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11314 * rs6000.c (rs6000_sr_alias_set): New variable.
11315 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11316 (rs6000_emit_stack_tie): New function.
11317 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11318 in a way that dwarf2out can understand.
11319 (rs6000_frame_related): New function.
11320 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11321 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11322 Use rs6000_emit_stack_tie when needed.
11323 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11324 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11325 * rs6000.md (stack_tie): New insn.
11326 (return_internal_si): Allow return value to be in the count
11328 (return_internal_di): Likewise.
11330 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11332 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11334 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11336 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11338 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11340 * rs6000.md (stmw): Use the right POWER opcode.
11343 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11345 * rs6000-protos.h: New file.
11347 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11349 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11352 * sysv4.h: Likewise.
11354 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11356 * ../../configure.in: Delete powerpcle-*-winnt*
11357 and powerpcle-*-pe|powerpcle-*-cygwin*.
11358 * ../../configure: Regenerated.
11359 * cygwin.h: Delete.
11360 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11361 (TARGET_WINDOWS_NT): Delete.
11363 (CALL_NT_DLLIMPORT): Delete.
11364 Delete NT-specific code.
11365 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11366 * win-nt.h: Delete.
11368 * nt-ci.asm: Delete.
11369 * nt-cn.asm: Delete.
11370 * ntstack.asm: Delete.
11372 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11374 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11375 (ASM_FILE_START): Likewise.
11376 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11377 (ASM_OUTPUT_LABELREF): Likewise.
11378 (ASM_OUTPUT_SKIP): Likewise.
11379 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11380 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11381 (ASM_OUTPUT_CASE_LABEL): Likewise.
11382 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11383 (ASM_OUTPUT_ASCII): Likewise.
11385 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11387 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11388 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11389 increment rs6000_pic_labelno here.
11390 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11391 and increment rs6000_pic_labelno here.
11393 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11395 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11396 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11397 allocation knows (reg) is dead before the insn.
11399 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11401 * rs6000.md (movsi_to_cr): Correct typo in output template.
11403 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11405 * rs6000.c (rs6000_pic_labelno): Always define.
11406 (rs6000_pic_func_labelno): Delete.
11407 (lmw_operation): Check for a zero base register,
11408 which doesn't mean what we want.
11409 (stmw_operation): New function.
11410 (print_operand): Define new 'l' modifier.
11411 (rs6000_stack_info): We must save all 64 bits of the registers
11412 if TARGET_POWERPC64.
11413 (rs6000_output_load_toc_table): Delete.
11414 (rs6000_emit_load_toc_table): New function.
11415 (rs6000_allocate_stack_space): Delete.
11416 (rs6000_emit_allocate_stack): New function.
11417 (rs6000_emit_prologue): New function.
11418 (output_prolog): Use rs6000_emit_prologue.
11419 (rs6000_emit_epilogue): Change a few variable names to be
11420 more accurate. Restore all 64 bits of the registers if
11421 TARGET_POWERPC64. Only restore the FP registers which were used
11422 if they are being saved/restored one-at-a-time.
11423 (output_mi_thunk): Delete inefficient code generation.
11424 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11425 * rs6000.h: Declare rs6000_emit_load_toc_table,
11426 rs6000_allocate_stack_space, stmw_operation. Don't declare
11427 rs6000_output_load_toc_table.
11428 * rs6000.md (elf_high): Allow register 0, but discourage it
11430 (elf_low): Support loading into register 0.
11431 (load_toc_aix_si): New pattern.
11432 (load_toc_aix_di): New pattern.
11433 (load_toc_v4_pic_si): New pattern.
11434 (load_toc_v4_pic_di): New pattern.
11435 (load_toc_v4_PIC_1): New pattern.
11436 (load_toc_v4_PIC_1b): New pattern.
11437 (load_toc_v4_PIC_2): New pattern.
11438 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11439 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11440 (prologue): New expander.
11441 (movesi_from_cr): New pattern.
11442 (stmw): New pattern.
11443 (save_fpregs_si): New pattern.
11444 (save_fpregs_di): New pattern.
11446 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11448 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11453 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11455 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11457 (movsi_got_internal): Likewise.
11458 (movsi_got_internal+1): Likewise.
11459 (set_sp): 'unspec 7' does a SImode clobber.
11461 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11463 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11464 allocate a stack temporary.
11465 (floatsidf2_internal): Likewise.
11466 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11468 (floatunssidf2): Don't use the fpmem "register", just
11469 allocate a stack temporary.
11470 (floatunssidf2_internal): Likewise.
11471 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11473 (floatsidf2_loadaddr): Delete.
11474 (floatsidf2_store1): Delete.
11475 (floatsidf2_store2): Delete.
11476 (floatsidf2_load): Delete.
11477 (fix_truncdfsi2): Don't use the fpmem "register", just
11478 allocate a stack temporary.
11479 (fix_truncdfsi2_internal_si): Delete.
11480 (fix_truncdfsi2_internal_di): Delete.
11481 (fix_truncdfsi2_internal): New insn.
11482 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11483 (fix_truncdfsi2_store): Delete.
11484 (fix_truncdfsi2_load): Delete.
11485 (fctiwz): Produce gen_fctiwz.
11487 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11489 * eabi.h (INVOKE__main): Define.
11490 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11492 (rs6000_emit_prologue): Likewise.
11493 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11494 this is the main program.
11496 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11498 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11500 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11502 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11503 goes after the argument.
11505 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11507 * rs6000.md: Document 'unspec' values used.
11508 (epilogue): New expander.
11509 (movesi_to_cr_one): New expander.
11510 (movesi_to_cr and following): New pattern.
11511 (lmw): New pattern.
11512 (return_internal_si): New pattern.
11513 (return_internal_di): New pattern.
11514 (return_and_restore_fpregs_si): New pattern.
11515 (return_and_restore_fpregs_di): New pattern.
11516 * rs6000.h: Declare new functions.
11517 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11518 rather than rs6000_calls_p.
11519 (rs6000_makes_calls): Delete.
11520 (lmw_operation): New function.
11521 (mtcrf_operation): New function.
11522 (rs6000_emit_epilogue): New function.
11523 (output_epilog): Call rs6000_emit_epilogue and final if
11524 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11526 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11528 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11529 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11530 * aix.h (SUBTARGET_SWITCHES): Document switches.
11531 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11532 sched-prolog and sched-epilog the same. Document all the
11534 (TARGET_OPTIONS): No longer allow -mdebug-.
11536 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11538 * rs6000.h (ASM_FILE_END): Move to aix.h.
11539 (EXTRA_SECTIONS): Move to aix.h.
11540 (READONLY_DATA_SECTION): Move to aix.h.
11541 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11542 (SELECT_SECTION): Move to aix.h.
11543 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11544 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11545 (LINK_REGISTER_REGNUM): New definition.
11546 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11547 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11549 * sysv4.h: Delete the code between the inclusion of rs6000.h
11551 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11552 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11553 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11554 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11555 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11556 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11557 (fix_truncdfsi2_internal_di): New pattern.
11558 (fix_truncdfsi2_store): The second arg here is Pmode too.
11559 (fix_truncdfsi2_load): The second arg here is Pmode too.
11560 (tablejumpdi): Now that switch tables hold only SImode values,
11561 gcc needs to know how to add them to the pc which is DImode.
11562 * rs6000.c (rs6000_stack_info): Use symbolic name for
11563 LINK_REGISTER_REGNUM.
11564 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11565 (output_toc): Delete unused variables s1 and s2.
11566 (output_ascii): Use fputs not fprintf on a variable string.
11568 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11570 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11571 * aix43.h: Revert Aug 2 change.
11572 (HAS_INIT_SECTION): Define, not visible yet.
11573 (LD_INIT_SWITCH): Define, not visible yet.
11574 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11576 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11578 * config/rs6000/rtems.h: Include config/rtems.h.
11580 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11582 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11583 (SLOW_UNALIGNED_ACCESS): Define.
11584 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11585 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11586 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11587 (toc_section): Likewise and .toc pseudo-op.
11588 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11590 (TEXT_SECTION_ASM_OP): Likewise.
11591 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11594 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11596 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11597 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11600 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11602 * rs6000.h: Move more stuff from here...
11604 * sysv4.h: Cleanup accordingly.
11605 * netware.h: Likewise
11607 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11609 * rs6000.h: Continue cleanup.
11611 * lynx.h: Likewise.
11612 * netware.h: Likewise.
11613 * sol2.h: Likewise.
11614 * sysv4.h: Likewise.
11615 * win-nt.h: Likewise.
11617 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11618 (TARGET_OPTIONS): Likewise.
11620 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11621 (SUBTARGET_OPTIONS): Likewise.
11623 * rs6000.md: Fix compile time warnings.
11625 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11627 vxworks patches from the Cygnus tree originally by
11628 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11629 <vmakarov@cygnus.com>.
11630 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11631 (ENDFILE_SPEC): Likewise.
11632 (LIB_VXWORKS_SPEC): New macro.
11633 (STARTFILE_VXWORKS_SPEC): New macro.
11634 (ENDFILE_VXWORKS_SPEC): New macro.
11635 (LINK_START_VXWORKS_SPEC): New macro.
11636 (LINK_OS_VXWORKS_SPEC): New macro.
11637 (CPP_OS_VXWORKS_SPEC): New macro.
11638 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11639 * vxppc.h: Rewrite to use proper configuration method.
11640 * vxppcle.h: New file.
11641 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11642 * ../../configure: Rebuilt.
11644 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11646 Lots of changes to rs6000.h, sysv4.h, aix.h,
11647 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11648 with the aim that rs6000.h is the first header
11649 included and the others override it.
11652 * x-aix41-gld: Remove.
11654 * x-aix41: Remove target-specific switches, and don't specify
11655 -Wl,-bbigtoc as we don't need it any more.
11656 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11657 Use t-aix43 for AIX 4.3 and above.
11658 * ../../configure: Regenerated.
11660 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11661 options, that don't do anything yet.
11662 (MASK_SCHED_PROLOG): New macro.
11663 (MASK_SCHED_EPILOG): New macro.
11664 (TARGET_SCHED_PROLOG): New macro.
11665 (TARGET_SCHED_EPILOG): New macro.
11667 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11669 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11670 one per translation unit, not one per function.
11671 (output_toc): Also do duplicate constant elimination
11672 for per-translation-unit TOCs.
11674 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11675 a comment explaining _exactly_ when this pattern gets used.
11676 (builtin_setjmp_receiver): New pattern for better clarity.
11677 (init_v4_pic): Move it into a section dealing with TOC registers.
11679 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11681 * rs6000.c (toc_hash_table): New variable.
11682 (rs6000_hash_constant): New function.
11683 (toc_hash_function): New function.
11684 (toc_hash_eq): New function.
11685 (toc_hash_mark_entry): New function.
11686 (toc_hash_mark_table): New function.
11687 (output_toc): Don't output duplicate TOC entries in
11689 (rs6000_add_gc_roots): Add the hash table as a GC root.
11690 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
11691 where they clearly shouldn't be. This may need to be fixed
11692 later when there is a GNU ar for AIX.
11693 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
11694 Don't define BOOT_LDFLAGS as it is now not necessary.
11696 1999-12-29 Geoff Keating <geoffk@cygnus.com>
11698 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
11699 for va_list on AIX. Use unsigned_char_type_node rather than
11700 constructing our own version on svr4.
11702 1999-12-17 Geoff Keating <geoffk@cygnus.com>
11704 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
11705 since patently it's not.
11707 1999-12-08 Geoff Keating <geoffk@cygnus.com>
11709 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
11710 define_expand/define_insn pair, and handle restore of the
11711 SVR4 -fpic register.
11713 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
11715 * acconfig.h (HAVE_GAS_WEAK): New define.
11716 * configure.in (assembler weak support): Check for .weak support.
11717 * config.in, configure: Rebuilt.
11718 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
11719 HAVE_GAS_WEAK is defined.
11721 2000-03-15 Nick Clifton <nickc@cygnus.com>
11723 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
11726 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
11728 * cppfiles.c (open_include_file): New function.
11729 (find_include_file, cpp_read_file): Use it.
11731 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11733 * cpphash.c (dump_hash_helper): Take the slot, not the element.
11735 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
11737 * flow.c (verify_flow_info): Check for unconditional return.
11739 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
11741 * config/ia64/ia64.md (restore_stack_nonlocal): New.
11742 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
11743 (__ia64_restore_stack_nonlocal): New.
11744 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
11746 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11748 * cpphash.c (collect_formal_parameters): Do not complain about
11749 parameter names that just start with `__VA_ARGS__'.
11751 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
11753 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
11754 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
11755 * i386.c (pentiumpro_cost): Set mul cost to 4.
11756 (x86_use_movx): Set for PPro.
11758 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
11760 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
11761 STACK_BOUNDARY for empty frames now.
11763 2000-03-14 Mark Mitchell <mark@codesourcery.com>
11765 * stor-layout.c (layout_union): Remove.
11766 (layout_union_field): New function, split out from layout_union.
11767 (finish_union_layout): Likewise.
11768 (layout_field): Handle unions by calling layout_union_field.
11769 (finish_record_layout): Handle unions.
11770 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
11771 QUAL_UNION_TYPE handling.
11773 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
11775 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
11776 end of basic block is jump_insn, not barrier; use create_basic_block
11777 instead of creating basic block by hand.
11779 2000-03-14 Jason Eckhardt <jle@cygnus.com>
11781 * flow.c (reorder_basic_blocks): Account for barriers when writing
11782 over NEXT_INSN (last_bb->end).
11783 (verify_flow_info): Add check for missing barriers.
11785 2000-03-14 Greg McGary <gkm@gnu.org>
11787 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
11788 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
11789 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
11790 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
11791 __unbounded, __unbounded__): New keywords.
11792 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
11793 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
11794 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
11796 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
11798 * cselib.h: New file.
11799 * alias.c: Include "cselib.h".
11800 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
11801 MEMs as two new arguments.
11802 (get_addr): New static function.
11803 (find_base_term): Handle VALUEs.
11804 (memrefs_conflict_p): Likewise.
11805 (true_dependence): Call get_addr on the addresses.
11806 Call fixed_scalar_and_varying_struct_p with addresses that have been
11807 passed through get_addr and canon_rtx.
11808 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
11809 with true_dependence.
11810 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
11811 * loop.c: Include "cselib.h".
11812 (load_mems): Process extended basic block that enters the loop with
11813 cselib. Use that information to change initialization of the shadow
11814 register so that a constant equivalence is seen by later passes.
11815 * reload1.c: Include "cselib.h".
11816 (reload_cse_invalidate_regno): Delete function.
11817 (reload_cse_mem_conflict_p): Likewise.
11818 (reload_cse_invalidate_mem): Likewise.
11819 (reload_cse_invalidate_rtx): Likewise.
11820 (reload_cse_regno_equal_p): Likewise.
11821 (reload_cse_check_clobber): Likewise.
11822 (reload_cse_record_set): Likewise.
11823 (reg_values): Delete static variable.
11824 (invalidate_regno_rtx): Likewise.
11825 (reload_cse_delete_noop_set): New static function.
11826 (reload_cse_simplify): New static function, broken out of
11828 (reload_cse_noop_set_p): Delete unused argument INSN.
11829 Just call rtx_equal_for_cselib_p on set source and destination.
11830 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
11831 reload_cse_delete_noop_set. Delete code to keep track of values; use
11832 cselib functions instead. Delete code to push/pop obstacks.
11833 (reload_cse_simplify_set): Use cselib to find equivalent values.
11834 Delete code to push/pop obstacks.
11835 (reload_cse_simplify_operands): Likewise.
11836 * rtl.def (VALUE): New rtx code.
11837 * rtl.h (union rtunion_def): New elt rt_cselib.
11838 (X0CSELIB, CSELIB_VAL_PTR): New macros.
11839 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
11840 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
11841 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
11842 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
11843 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
11844 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
11845 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
11846 cselib_record_set, cselib_record_sets): New static functions.
11847 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
11848 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
11849 references_value_p): New functions.
11850 (MAX_USELESS_VALUES, REG_VALUES): New macros.
11851 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
11852 n_useless_values, reg_values, callmem, cselib_obstack,
11853 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
11854 New static variables.
11855 * varray.h (union varray_data_tag): New elt te.
11856 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
11857 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
11860 2000-03-14 Nick Clifton <nickc@cygnus.com>
11862 * gcc.c (do_spec_1): Catch the case where %* is used in a
11863 substitution pattern, but it has not been initialised.
11864 Issue a meaningful error message if an unrecognised operator
11865 is encountered in a spec string.
11867 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
11869 * function.c (prepare_function_start): Correctly initialize
11870 cfun->stack_alignment_needed.
11872 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
11874 * cppfiles.c (find_include_file): Don't assume nshort is a
11877 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
11879 * configure.in (hppa configurations): Add pa32-regs.h to the
11880 list of tm files as appropriate.
11881 * configure: Rebuilt.
11882 * pa.c (compute_frame_size): Remove explicit knowledge about FP
11883 register numbering.
11884 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11885 (fmpyaddoperands, fmpysuboperands): Likewise.
11886 * pa.h: Remove various definitions which depend on knowing
11887 how registers are numbered.
11888 * pa32-regs.h: New file with PA32 register numbering specific
11891 2000-03-14 Richard Henderson <rth@cygnus.com>
11893 * regmove.c (combine_stack_adjustments): New.
11894 (stack_memref_p, single_set_for_csa): New.
11895 (free_csa_memlist, record_one_stack_memref): New.
11896 (try_apply_stack_adjustment): New.
11897 (combine_stack_adjustments_for_block): New.
11898 * rtl.h (combine_stack_adjustments): Declare.
11899 * toplev.c (rest_of_compilation): Call it.
11901 * i386.md: Revert 2000-01-16 change.
11903 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11905 * gccbug.in: Add web category, gcc specific classes.
11907 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
11909 * stor-layout.c (finalize_record_size): Fix typo.
11911 2000-03-14 Stan Shebs <shebs@apple.com>
11913 * c-typeck.c (c_alignof): Error on incomplete types.
11914 * extend.texi (Alignment): Document this.
11916 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11918 * cppfiles.c: Include mkdeps.h.
11919 (find_include_file, read_include_file): Remove _cpp_ prefix
11920 from name, make static.
11921 (_cpp_execute_include): New function, broken out of
11924 * cpplib.c: Don't include mkdeps.h.
11925 (struct directive): Remove type field. Reorder entries. The
11926 function takes only one argument.
11927 (struct if_stack): Make type field an int.
11928 (directive_table): Rename to dtable. Generate it, the
11929 prototypes of the directive handlers, and the enum for the
11930 directive numbers, from a template macro.
11931 (do_ifndef, do_include_next, do_import): New functions.
11932 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
11933 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
11934 do_ident, do_assert, do_unassert, do_sccs): Take only one
11936 (do_sccs): Define always, but alter behavior based on
11938 (_cpp_handle_directive, consider_directive_while_skipping):
11939 Restructure for new directive table layout.
11941 (pass_thru_directive): Take a directive number, not a pointer
11942 to a struct directive.
11943 (parse_include): New function, broken out of do_include.
11944 (do_include, do_import, do_include_next): Use parse_include
11945 and _cpp_execute_include.
11946 (do_elif, do_else): Test for T_ELSE specifically when checking
11947 for #elif/#else after #else.
11948 (parse_ifdef): New function, broken out of do_ifdef.
11949 (validate_else): Expect a name arg without a leading #.
11950 (if_directive_name): Delete.
11951 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
11952 directive handlers with only one argument.
11954 * cpphash.h: Update prototypes.
11955 (enum node_type): Remove entries for directives.
11956 * Makefile.in: Update dependencies.
11958 * cpphash.c (dump_hash_helper): Only dump nodes of type
11959 T_MACRO. Emit a newline after each definition.
11961 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11963 * gccbug.in: New file.
11964 * configure.in (all_outputs): Add gccbug.
11965 * Makefile.in (install-common): Install gccbug.
11966 (GCCBUG_INSTALL_NAME): New variable.
11967 * configure: Rebuilt.
11969 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11971 * function.c (put_var_into_stack): Use type_for_mode to calculate
11972 part_type. Use MEM_SET_IN_STRUCT_P.
11973 * expr.c (store_field): Handle CONCAT.
11974 (store_constructor): Use fields_length.
11975 * tree.c (fields_length): New fn.
11976 * tree.h: Declare it.
11978 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11980 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
11981 (cpplex.o): New target.
11982 * po/POTFILES.in: Add cpplex.c.
11984 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
11985 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
11986 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
11987 skip_block_comment, skip_line_comment, skip_comment,
11988 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
11989 _cpp_parse_name, skip_string, parse_string,
11990 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
11991 _cpp_get_directive_token, find_position,
11992 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
11993 (maybe_macroexpand, _cpp_lex_token): New functions.
11995 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
11996 parse_goto_mark): Delete.
11997 (_cpp_handle_eof): New function.
11998 (_cpp_handle_directive): Rename from handle_directive.
11999 (_cpp_output_line_command): Rename from output_line_command.
12000 (do_if, do_elif): Call _cpp_parse_expr directly.
12001 * cppfiles.c (_cpp_read_include_file): Don't call
12002 init_input_buffer here.
12003 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12004 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12005 here; pop the token_buffer and skip the rest of the line here.
12006 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12009 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12011 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12012 CPP_GOTO_MARK): New macros.
12013 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12014 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12015 _cpp_read_and_prescan, _cpp_init_input_buffer,
12016 _cpp_grow_token_buffer, _cpp_get_directive_token,
12017 _cpp_handle_directive, _cpp_handle_eof,
12018 _cpp_output_line_command): Prototype them here.
12019 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12020 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12021 quote_string, output_line_command): Remove.
12023 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12025 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12026 whether it is too large we must also verify that it isn't negative.
12028 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12030 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12031 (movsi_zero_liveg0): Remove.
12032 (movsf_insn_novis_liveg0): Remove.
12034 (negsi2_not_liveg0): Rename to negsi2.
12035 (one_cmplsi2): Remove.
12036 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12037 (one_cmplsi2_liveg0): Remove.
12038 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12039 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12040 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12041 (PREDICATE_CODES): Remove zero_operand.
12042 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12043 TARGET_BROKEN_SAVERESTORE.
12044 (zero_operand): Remove.
12045 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12046 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12048 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12049 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12050 TARGET_BROKEN_SAVERESTORE): Remove.
12051 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12053 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12055 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12058 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12060 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12062 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12063 truncating a string. Don't assume tokens are nul terminated.
12064 Problem noted by Andreas Jaeger <aj@suse.de>
12066 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12068 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12069 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12070 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12072 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12074 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12075 STRUCTURE_SIZE_BOUNDARY.
12077 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12079 * tree.h (record_layout_info_s): New structure.
12080 (record_layout_info): New type.
12081 (new_record_layout_info): New function.
12082 (layout_field): Likewise.
12083 (finish_record_layout): Likewise.
12084 * stor-layout.c (layout_record): Remove.
12085 (new_record_layout_info): New function.
12086 (layout_field): New function, broken out from layout_record.
12087 (finalize_record_size): Likewise.
12088 (compute_record_mode): Likewise.
12089 (finalize_type_size): New function, broken out from layout_type.
12090 (finish_record_layout): Likewise.
12091 (layout_type): Use them.
12093 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12095 * cpphash.c: Don't include version.h.
12096 (special_symbol) [case T_VERSION]: Look for the string in
12097 hp->value.cpval; don't use version_string.
12098 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12099 __VERSION__ to version_string.
12100 * Makefile.in (cpphash.o): Update deps.
12102 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12104 Convert cpplib to use libiberty/hashtab.c.
12106 * cpplib.h (struct cpp_reader): Make hashtab and
12107 all_include_files of type 'struct htab *'. Delete HASHSIZE
12108 and ALL_INCLUDE_HASHSIZE macros.
12110 * cpphash.h: Update prototypes.
12111 (struct hashnode): Remove next, prev, and bucket_hdr members.
12112 Make length a size_t. Add hash member.
12113 (struct ihash): Remove next member. Add hash member. Make
12114 name a flexible array member.
12116 * cppfiles.c: Include hashtab.h.
12117 (include_hash): Delete.
12118 (IHASHSIZE): New macro.
12119 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12120 (cpp_included): Do the hash lookup here.
12121 (_cpp_find_include_file): Rewrite.
12122 (cpp_read_file): Put the "fake" hash entry into the hash
12123 table. Honor the control_macro, if it turns out we've seen
12124 the file before. Don't push the buffer here.
12125 (_cpp_read_include_file): Push the buffer here.
12126 (OMODES): New macro. Use it whenever we call open(2).
12128 * cpphash.c: Include hashtab.h.
12129 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12130 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12131 _cpp_lookup_slot): New functions.
12132 (HASHSIZE): new macro.
12133 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12134 (_cpp_lookup): Use hashtab.h routines.
12136 * cppinit.c: Include hashtab.h.
12137 (cpp_reader_init): Call _cpp_init_macro_hash and
12138 _cpp_init_include_hash. Don't allocate hashtab directly.
12139 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12140 pfile->all_include_files.
12141 (initialize_builtins): Use _cpp_make_hashnode and
12142 htab_find_slot to add hash entries.
12143 (cpp_finish): Just call _cpp_dump_macro_hash.
12144 * cpplib.c: Include hashtab.h.
12145 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12146 create hash entries.
12147 (do_pragma_poison, do_assert): Likewise.
12148 (do_include): Don't push the buffer here. Don't increment
12149 system_include_depth unless _cpp_read_include_file succeeds.
12150 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12151 or htab_remove_elt.
12152 (do_pragma_implementation): Use alloca to create copy.
12154 * Makefile.in: Update dependencies.
12156 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12158 * cppinit.c (cl_directive_handler): More K&R fixing.
12160 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12162 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12164 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12166 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12168 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12169 Change from char[] to macros.
12171 2000-03-12 Neil Booth <NeilB@earthling.net>
12173 * cppinit.c (cpp_start_read): Update indirect function
12176 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12178 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12181 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12182 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12184 2000-03-11 Neil Booth <NeilB@earthling.net>
12186 * cppinit.c (struct pending option): Replace undef with a
12187 pointer to a directive handling routine.
12188 (struct cpp_pending): Replace separate assert_ and define_
12189 lists with one directive_ list.
12190 (new_pending_define): Rename new_pending_directive. Extra
12191 argument is the directive's handling routine.
12192 (handle_option): Update to use new_pending_directive.
12194 2000-03-11 Neil Booth <NeilB@earthling.net>
12196 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12197 remap_filename, _cpp_read_include_file, actual_directory,
12198 hack_vms_include_specification): Replace bcopy(), index() etc
12199 calls. Add casts to some allocations. Make some variables
12200 pointers to const [unsigned] char.
12201 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12202 collect_formal_parameters): Similarly.
12203 * cppinit.c (struct pending_option, append_include_chain,
12204 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12205 cpp_start_read, new_pending_define, handle_option): Similarly.
12206 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12207 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12208 do_pragma_implementation, detect_if_not_defined,
12209 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12210 do_assert, do_unassert): Similarly.
12211 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12212 function prototypes.
12213 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12215 2000-03-10 Richard Henderson <rth@cygnus.com>
12217 * builtins.c (expand_builtin_strlen): Revert last change.
12218 Use emit_insn_before if we're at the beginning of a sequence.
12220 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12222 * builtins.c (expand_builtin_strlen): Make sure that we have something
12223 at the beginning of the sequence.
12225 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12228 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12230 2000-03-10 Richard Henderson <rth@cygnus.com>
12232 * except.c (can_throw): Use INTVAL on a CONST_INT.
12233 (reachable_handlers): Likewise.
12234 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12236 2000-03-10 Andreas Jaeger <aj@suse.de>
12238 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12239 MD_STARTFILE_PREFIX since those are not needed on linux.
12240 (ASM_FILE_START): New, from mips/gnu.h.
12242 2000-03-09 Richard Henderson <rth@cygnus.com>
12243 Alex Samuel <samuel@codesourcery.com> and others
12245 * Makefile.in (ssa.o): New rule.
12247 (STAGESTUFF): Add *.ssa and *.ussa.
12248 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12249 * rtl.def (PHI): New RTL expression.
12250 * rtl.h (clear_log_links): New declaration.
12251 (convert_to_ssa): Likewise.
12252 (convert_from_ssa): Likewise.
12253 * flow.c (split_edge): If the entry node falls through to the
12254 split edge's source block, split the entry edge.
12255 (clear_log_links): New function.
12256 * toplev.c (ssa_dump): New variable.
12257 (flag_ssa): Likewise.
12258 (f_options): Add "ssa".
12259 (compile_file): Create SSA dump files.
12260 (rest_of_compilation): Go to and from SSA if enabled.
12261 (decide_d_option): Handle -de for SSA dump files.
12264 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12266 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12269 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12271 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12273 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12275 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12276 (MD_STARTFILE_PREFIX_1): New macro.
12278 2000-03-09 Robert Lipe <robertl@sco.com>
12280 * config/ia64/ia64.c: Include system.h.
12282 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12284 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12285 (init_eh_nesting_info): Likewise.
12287 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12288 (TREE_NOTHROW): Rename from TREE_RAISES.
12289 * toplev.c (rest_of_compilation): Set it.
12290 * print-tree.c (print_node): Adjust.
12291 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12292 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12293 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12294 REG_EH_REGION note as appropriate.
12295 (libfunc_nothrow): New fn.
12296 (emit_library_call, emit_library_call_value): Use it.
12297 (expand_call): Check TREE_NOTHROW.
12299 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12300 DECL_ASSEMBLER_NAME.
12302 2000-03-09 Andreas Jaeger <aj@suse.de>
12304 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12305 (TARGET_MEM_FUNCTIONS): Define.
12307 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12309 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12311 * except.c (can_throw): See through a SEQUENCE.
12312 (nothrow_function_p): New fn.
12313 * except.h: Declare it.
12314 * function.c (current_function_nothrow): New var.
12315 (prepare_function_start): Initialize it.
12316 * output.h: Declare it.
12317 * toplev.c (rest_of_compilation): Set it.
12318 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12320 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12322 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12323 match. (cpp_compare_defs): Count the nul separator when
12324 advancing over argument names.
12326 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12328 * recog.c (preprocess_constraints): Matching constraints affect
12329 same alternative/different operand, not same operand/different
12332 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12333 register and a constant specially.
12335 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12337 * libgcc2.h: New file.
12338 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12340 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12342 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12343 * configure: Regenerate.
12344 * config/ia64: New.
12346 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12348 * Makefile.in (LIBCPP_DEPS): New macro.
12349 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12350 it to declare deps.
12351 * cpperror.c: Include cpphash.h.
12352 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12354 (lex): Don't use CPP_WARN_UNDEF.
12355 (_cpp_parse_expr): Return an int, the truth value.
12356 * cppfiles.c: Include cpphash.h.
12357 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12358 * cppinit.c (include_defaults_array): Disentangle.
12359 (cpp_cleanup): Don't free the if stack here.
12360 (cpp_finish): Pop off all buffers, not just one.
12361 * cpplib.c (eval_if_expr): Return int.
12362 (do_xifdef): Rename do_ifdef.
12363 (handle_directive): Don't use CPP_PREPROCESSED.
12364 (cpp_get_token): Don't use CPP_C89.
12365 * fix-header.c: Don't use CPP_OPTIONS.
12367 * cpplib.h: Move U_CHAR, enum node_type, struct
12368 file_name_list, struct ihash, is_idchar, is_idstart,
12369 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12370 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12371 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12372 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12373 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12374 of _cpp_simplify_pathname, _cpp_find_include_file,
12375 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12376 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12378 Change all uses of U_CHAR to be unsigned char instead.
12379 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12381 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12383 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12384 (dwarf2out_begin_prologue): Set it.
12385 (output_call_frame_info): Don't emit EH unwind info for leaves.
12387 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12388 can occur outside of an EH region.
12389 * except.c: Correct comments about rethrow behavior.
12390 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12392 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12394 * flow.c (make_edges): Always call make_eh_edge for calls.
12396 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12398 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12399 (struct cpp_buffer): Remove fname and underflow fields.
12400 (struct cpp_reader): Remove get_token field.
12401 (struct include_hash): Rename to struct ihash. Add typedef to
12403 (struct if_stack): Remove fname field.
12404 (IF_STACK_FRAME): Rename to IF_STACK.
12406 * cpperror.c (print_containing_files): Trust that there are no
12407 macro buffers below the top file buffer.
12408 * cppfiles.c: Replace all references to 'struct include_hash'
12409 with 'IHASH'. Rename initialize_input_buffer to
12410 init_input_buffer. Don't set or reference cpp_buffer->fname,
12411 use buffer->ihash->name instead.
12412 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12413 not CPP_NULL_BUFFER.
12414 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12415 IF_STACK_FRAME, IHASH not struct include_hash.
12416 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12417 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12418 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12419 references to cpp_buffer->fname (delete entirely, or use
12420 ->ihash->name instead) and IF_STACK->fname.
12421 (cpp_push_buffer): Don't set new->underflow.
12422 (do_include): Use cpp_file_buffer.
12424 * cpphash.c (collect_formal_parameters): Remove duplicate
12425 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12426 used as a macro argument name. Don't append "..." to namebuf
12427 for varargs macros. After we're done scanning, go through
12428 namebuf and make it NUL separated, not comma separated.
12429 (_cpp_compare_defs): Remove register tag from variables.
12430 Expect defn->argnames to be NUL separated.
12431 (_cpp_dump_definition): Expect defn->argnames to be NUL
12432 separated and in forward order.
12433 * cpphash.h: Update documentation of argnames field.
12435 2000-03-08 Richard Henderson <rth@cygnus.com>
12437 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12438 to fail. Don't pre-expand the source operand.
12440 * i386.md (strlensi): Initialize eoschar and align before use.
12442 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12444 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12445 CONSTRUCTOR element.
12447 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12449 * mips.c (mips_expand_prologue): If the last
12450 named argument is the vararg marker "va_list", treat it as
12451 an unnamed argument.
12453 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12455 * dbxout.c (dbxout_parms): When correcting for promoted
12456 big-endian parameters, use the mode of the DECL_RTL rather
12457 than UNITS_PER_WORD.
12459 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12461 * c-common.h (make_fname_decl): Declare.
12462 * c-common.c (make_fname_decl): Define.
12463 (declare_hidden_char_array): Remove.
12464 (declare_function_name): Use make_fname_decl.
12465 * c-decl.c (c_make_fname_decl): New function.
12466 (init_decl_processing): Set make_fname_decl.
12468 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12470 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12472 2000-03-07 Philipp Thomas <pthomas@suse.de>
12474 * po/POTFILES.in: Remove cppalloc.c from file list.
12476 2000-03-07 Steve Chamberlain <sac@pobox.com>
12478 * pj.c (pj_expand_prologue): current_function->args_info is
12479 now current_function_args_info.
12481 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12482 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12483 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12485 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12487 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12488 output as hexadecimal rather than the default octal.
12490 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12492 * cpphash.c (special_symbol): Fix thinko in previous commit.
12494 2000-03-07 Neil Booth <NeilB@earthling.net>
12496 * cppexp.c (struct operation, left_shift, right_shift,
12497 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12498 "int"s to "unsigned int"s.
12499 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12501 * cpplib.h: Update for above.
12502 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12503 returned from allocations.
12505 * cppinit.c (opt_comp, parse_options): New functions.
12506 (handle_option): Use parse_option to parse a single command
12507 line option, that possibly takes an argument.
12508 (cpp_handle_options): Sort the array of command line options on
12509 first invocation (non-ASCII hosts only).
12510 (print_help): Update.
12512 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12514 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12515 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12517 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12519 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12521 * cpperror.c (cpp_print_containing_files,
12522 cpp_print_file_and_line, v_cpp_message): Rename to
12523 print_containing_files, print_file_and_line, and v_message.
12524 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12525 to _cpp_parse_expr, parse_escape, and lex.
12526 (parse_charconst): Remove broken multibyte support.
12527 * cppfiles.c (include_hash): Make static.
12528 (cpp_included): New function.
12529 (merge_include_chains, find_include_file, finclude,
12530 simplify_pathname): Rename to _cpp_merge_include_chains,
12531 _cpp_find_include_file, _cpp_read_include_file, and
12532 _cpp_simplify_pathname.
12533 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12534 cpp_install, create_definition, macroexpand, compare_defs,
12535 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12536 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12537 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12538 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12540 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12542 * cpphash.h: Update prototypes.
12543 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12545 2000-03-07 Andrew Haley <aph@cygnus.com>
12547 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12548 PTRDIFF_TYPE should be based solely on Pmode.
12549 (SIZE_TYPE): ditto.
12551 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12553 * rtl.h (rtunion_def): Constify member `rtstr'.
12554 (emit_line_note_after, emit_line_note, emit_line_note_force,
12555 emit_note, decode_asm_operands): Constify.
12557 * cse.c (canon_hash): Likewise.
12559 * dbxout.c (dbxout_block): Likewise.
12561 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12562 v_warning_for_asm): Likewise.
12564 * dwarfout.c (function_start_label): Likewise.
12566 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12567 emit_line_note_force): Likewise.
12569 * final.c (last_filename, asm_insn_count, final_scan_insn,
12570 output_source_line): Likewise.
12572 * function.h (struct emit_status): Likewise.
12574 * gcse.c (hash_expr_1): Likewise.
12576 * genattr.c (gen_attr, main): Likewise.
12578 * genattrtab.c (struct function_unit, current_alternative_string,
12579 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12580 attr_numeral, check_attr_test, check_attr_value,
12581 convert_set_attr_alternative, convert_set_attr,
12582 compute_alternative_mask, simplify_by_exploding, gen_attr,
12583 gen_unit): Likewise.
12585 * genflags.c (gen_insn): Likewise.
12587 * gengenrtl.c (type_from_format): Likewise.
12589 * genopinit.c (gen_insn): Likewise.
12591 * genoutput.c (n_occurrences, process_template, process_template):
12594 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12597 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12600 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12601 ggc_set_mark, ggc_get_size): Likewise.
12603 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12605 * optabs.c (init_one_libfunc): Likewise.
12607 * output.h (assemble_start_function): Likewise.
12609 * recog.c (decode_asm_operands): Likewise.
12611 * toplev.c (rest_of_compilation): Likewise.
12613 * tree.h (emit_line_note_after, emit_line_note,
12614 emit_line_note_force): Likewise.
12616 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12617 asm_emit_uninitialised, assemble_start_function,
12618 assemble_variable, const_hash, compare_constant_1,
12619 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12621 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12623 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12625 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12627 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12629 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12630 arm_dllimport_name_p): Likewise.
12632 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12635 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12637 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12639 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12640 arm_mark_dllexport, arm_mark_dllimport,
12641 arm_pe_encode_section_info): Likewise.
12643 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12644 ASM_FINISH_DECLARE_OBJECT): Likewise.
12646 * arm/thumb.c (thumb_function_prologue): Likewise.
12648 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12650 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12652 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12654 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12656 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12658 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12660 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12661 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12663 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12665 * i386/i386.c (asm_output_function_prefix): Likewise.
12667 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12669 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12671 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12673 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12674 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12675 ASM_OUTPUT_SECTION_NAME): Likewise.
12677 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12679 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12681 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12683 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12685 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12687 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12689 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12691 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12693 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12695 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
12697 * mips/mips.md (movdi, movsi): Likewise.
12699 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12701 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12703 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12705 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
12706 ASM_OUTPUT_ASCII): Likewise.
12708 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
12709 output_mi_thunk, output_toc): Likewise.
12711 * rs6000/rs6000.md (movsi): Likewise.
12713 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
12715 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
12717 * v850/v850.c (print_operand, print_operand_address,
12718 v850_encode_data_area): Likewise.
12720 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
12722 * config/mips/mips.md (zero_extendsidi2): Always force operand
12723 one to memory for mips16.
12725 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12727 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
12728 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
12729 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
12730 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
12731 (min_precision): Result is unsigned.
12732 (add_double, neg_double, mul_double): Low word is unsigned.
12733 (lshift_double, rshift_double, lrotate_double): Likewise.
12734 (rrotate_double, div_and_round_double): Likewise.
12735 (tree_floor_log2, compare_tree_int): New functions.
12736 (preserve_rtl_expr_temps): New declaration.
12737 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
12738 (decl_attributes): Use tree_log2 to find alignment.
12739 Check for TREE_INT_CST_HIGH for format args.
12740 (min_precision): Now unsigned.
12741 Use tree_floor_log2.
12742 (truthvalue_conversion): Delete long-disabled code.
12743 * c-decl.c (finish_struct): Clean up tests on field width.
12744 (finish_function): Use compare_tree_int.
12745 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
12746 * c-typeck.c (comptypes): Use tree_int_cst_equal.
12747 (default_conversion, digest_init): Use compare_tree_int.
12748 (build_binary_op): Use integer_all_onesp and compare_tree_int.
12749 Fix type errors in forming masks.
12750 * calls.c (initialize_argument_information): Use compare_tree_int.
12751 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12752 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
12753 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
12754 (store_field): Use compare_tree_int.
12755 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
12756 (expand_expr, case ARRAY_REF): Use compare_tree_int.
12757 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
12758 (do_store_flag): Use compare_tree_int.
12759 * fold-const.c (encode, decode): Low part is always unsigned.
12760 (force_fit_type, add_double, neg_double, mul_double): Likewise.
12761 (lshift_double, rshift_double, lrotate_double): Likewise.
12762 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
12763 (fold_convert): Use compare_tree_int.
12764 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
12765 (invert_truthvalue, case INTEGER_CST): Likewise.
12766 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
12767 * mkdeps.c (deps_dummy_targets): Make I unsigned.
12768 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
12769 (lshift_double, rshift_double, lrotate_double, rrotate_double):
12771 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
12772 (expand_end_case): Use compare_tree_int.
12773 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12774 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
12775 (layout_decl): Likewise.
12776 (layout_record, layout_union): Make sizes unsigned.
12777 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
12778 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
12779 * tree.c (struct type_hash): hashcode is unsigned.
12780 (build_type_attribute_variant, type_hash_list): Likewise.
12781 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
12782 (attribute_hash_list, build_array_type, build_method_type): Likewise.
12783 (build_complex_type): Likewise.
12784 (real_value_from_int_cst): Remove unneeded casts.
12785 (integer_all_onesp): Add casts.
12786 (tree_floor_log2, compare_tree_int): New functions.
12787 (build_index_type): Use tree_int_cst_sgn.
12788 * varasm.c (assemble_variable): Use compare_tree_int.
12790 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
12792 * cpphash.c (collect_expansion): Also catch ## at start of macro.
12794 * varasm.c (make_decl_rtl): Don't add a number to members of
12796 (make_function_rtl): Likewise.
12798 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12800 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
12801 patch from 2000-01-28.
12803 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
12805 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
12806 filled with an insn from the jump target.
12808 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12810 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
12811 (c4x_external_ref): Likewise.
12812 * config/c4x/c4x.c (struct name_list): Likewise.
12814 1999-12-16 Ben Collins <bcollins@debian.org>
12816 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
12817 argument to genmultilib.
12818 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
12819 the contents into the multilib.h header.
12820 * gcc.c: Declare multilib_exclusions for the specs file.
12821 (set_multilib_dir): Use it.
12822 (print_multilib_info): Likewise.
12823 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
12824 to pass to genmultilib.
12826 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12828 * builtins.c (built_in_class_names, built_in_names): Constify a
12831 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
12833 (_mcleanup): Ensure value matches format specifier in sprintf.
12835 * cpphash.c (special_symbol): Don't needlessly cast away
12838 * cppinit.c (base_name): Delete unused prototype.
12840 * mkdeps.c (deps_init): Make definition K&R safe.
12842 * tree.h (built_in_class_names, built_in_names): Constify a
12845 2000-03-06 Jakub Jelinek <jakub@redhat.com>
12847 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
12848 floating point instructions for epilogue delay.
12850 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
12851 to gas if it supports .register pseudo.
12853 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
12854 LONG_DOUBLE_TYPE_SIZE if not defined.
12855 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
12856 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
12857 * real.c: Likewise.
12858 * gengenrtl.c: Likewise.
12859 * print-rtl.c: Likewise.
12861 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
12862 MASK_LONG_DOUBLE_128.
12863 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
12864 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
12865 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
12866 (SUBTARGET_SWITCHES): Define.
12867 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
12868 with -mlong-double-128.
12869 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12870 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12871 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12872 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
12873 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
12874 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
12875 with -mlong-double-128.
12876 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12877 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12878 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12879 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
12880 TARGET_LONG_DOUBLE_128): Define.
12881 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
12882 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
12883 long double on TARGET_ARCH64.
12885 2000-03-06 Mark Mitchell <mark@codesourcery.com>
12887 * function.c (free_temps_for_rtl_expr): Don't free slots
12888 that have been pushed into a higher level.
12891 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12893 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12895 * basic-block.h (ALLOCA_REG_SET): Remove.
12896 (INITIALIZE_REG_SET): New macro.
12897 * flow.c (update_life_info): Use it.
12898 (calculate_global_regs_live): Likewise.
12899 (propagate_block): Likewise.
12900 * global.c (build_insn_chain): Likewise.
12901 * haifa-sched.c (schedule_region): Likewise.
12903 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
12905 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
12906 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
12907 (DWARF_ARANGES_PAD_SIZE): New define.
12908 (output_aranges): Use it to pad the address range header.
12909 (DWARF_ROUND): Fix for non power of 2 rounding.
12911 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
12913 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
12915 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12917 * tree.def (RTL_EXPR): Update documentation.
12918 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
12919 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
12920 * function.c (preserve_rtl_expr_temp): New function.
12921 (preserve_rtl_expr_temps): Likewise.
12922 (preserve_rtl_expr_result): Use it.
12925 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12927 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
12929 * regmove.c (copy_src_to_dest) Do not create src->dest move
12930 for unchanging destination.
12932 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12934 * function.h (struct sequence_stack): Remove rtl_expr.
12935 (struct emit_staus): Likewise.
12936 (seq_rtl_expr): Remove.
12937 * tree.h (free_temps_for_rtl_expr): Don't declare.
12938 (start_sequence_for_rtl_expr): Likewise.
12939 * rtl.h (preserve_rtl_expr_result): Likewise.
12940 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
12941 (start_sequence_for_rtl_expr): Remove.
12942 (push_topmost_sequence): Don't save sequence_rtl_expr.
12943 (pop_topmost_sequence): Remove comment about not restoring it.
12944 (end_sequence): Don't set seq_rtl_expr.
12945 (init_emit): Don't initialize it.
12946 (mark_sequence_stack): Don't mark it.
12947 (mark_emit_status): Likewise.
12948 * except.c (protect_with_terminate): Use
12949 start_sequence_for_rtl_expr, not start_sequence.
12950 * expr.c (expand_expr, case RTL_EXPR): Don't call
12951 preserve_rtl_expr_result or free_temps_for_rtl_expr.
12952 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
12953 (preserve_rtl_expr_result): Remove.
12954 (free_temps_for_rtl_expr): Likewise.
12955 (pop_temp_slots): Likewise.
12956 (mark_temp_slot): Don't mark the rtl_expr.
12957 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
12958 start_sequence_for_rtl_expr.
12960 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
12962 * mkdeps.c, mkdeps.h: New files.
12963 * po/POTFILES.in: Add them.
12964 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
12965 (cpplib.o, cppinit.o): Depend on mkdeps.h.
12966 (mkdeps.o): New target.
12968 * cppfiles.c: Delete deps_output.
12969 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
12970 OBJECT_SUFFIX, and base_name.
12971 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
12973 (initialize_dependency_output): Use deps_init,
12974 deps_add_target, deps_calc_target, and deps_add_dep. Remove
12975 all the unnecessary string bashing.
12976 (cpp_finish): Use deps_write. Remove an unnecessary nesting
12978 * cpplib.c (do_include): Use deps_add_dep.
12979 * cpplib.h (struct cpp_reader): Replace deps_buffer,
12980 deps_allocated_size, deps_size, deps_column members with
12981 single pointer to a struct deps. Delete prototype of
12984 * cppinit.c: Fix thinko in previous patch.
12986 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12988 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
12989 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
12990 (mode_for_size_tree): New function.
12991 (layout_decl, layout_type): Call it and clean up BLKmode checks.
12992 * tree.h (mode_for_size_tree): New declaration.
12994 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
12996 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
12998 * stmt.c (is_body_block): Move...
12999 * dwarfout.c, dwarf2out.c: ...from here.
13000 * tree.h: Declare it.
13001 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13002 * final.c (final_start_function): Do call remove_unnecessary_notes
13005 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13007 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13009 * cpplib.h (_dollar_ok): New macro.
13010 (is_idchar, is_idstart): Use it.
13011 (IStable): Rename to _cpp_IStable. Declare it const if
13012 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13013 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13014 is_space): Update for renamed IStable.
13016 * cppinit.c: Delete all references to FAKE_CONST and CAT
13017 macros. Define init_IStable as empty macro if gcc >=2.7 or
13018 C99. Change TABLE() to ISTABLE and hardcode name of table.
13019 (cpp_start_read): Don't change the IStable based on
13022 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13023 changed. Handle '$' for char1 correctly.
13024 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13026 * cppexp.c (tokentab2): Make const.
13027 (cpp_lex): Make toktab const.
13028 * cppinit.c (include_defaults_array): Make const.
13029 (initialize_standard_includes): Make default_include const.
13031 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13033 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13034 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13035 (gen_decl_die): Likewise.
13036 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13037 (output_decl): Likewise.
13039 * varasm.c (make_function_rtl): If we change the name used in the
13040 rtl, update DECL_ASSEMBLER_NAME accordingly.
13041 (make_decl_rtl): Likewise.
13043 * toplev.c (rest_of_compilation): Tweak formatting.
13045 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13046 remove_unnecessary_notes.
13047 (debug_ignore_block): New fn.
13048 * toplev.h: Declare it.
13049 * emit-rtl.c (remove_unncessary_notes): Call it.
13050 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13051 * dwarf2out.h: Declare it.
13052 * final.c (final_start_function): Don't call remove_unnecessary_notes
13053 if we did insn scheduling.
13055 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13057 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13058 * cpplib.h: Delete SET_CPP_PEDANTIC.
13060 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13062 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13063 result is a RECORD_TYPE.
13065 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13067 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13069 2000-03-03 Richard Henderson <rth@cygnus.com>
13071 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13072 addition over compliments over shifts.
13074 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13076 * reload1.c (reload_combine_note_use): Handle return register USEs.
13077 REG case: Handle multi-hard-register hard regs.
13079 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13081 * md.texi: Document use of '*' in insn pattern name.
13083 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13085 * calls.c (special_function_p): operator new may not be malloc-like.
13087 * gcse.c (dump_hash_table): Really fix error in last change.
13089 2000-03-02 Denis Chertykov <denisc@overta.ru>
13091 * avr.c (print_operand): Use print_operand_address instead of
13093 * avr/libgcc.S: Cleanup code.
13095 2000-03-02 Richard Henderson <rth@cygnus.com>
13097 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13099 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13101 * tree.h (TYPE_ALIGN_UNIT): New macro.
13103 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13105 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13107 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13109 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13111 (SET_CPP_PEDANTIC): New macro.
13112 * cpplib.c (do_include): Don't bother checking system_header_p.
13113 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13114 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13116 * function.h (struct expr_status): Add x_arg_space_so_far.
13117 (arg_space_so_far): New macro.
13118 * expr.c (init_expr): Initialize it.
13119 * calls.c (emit_call_1): Reset it.
13120 (compute_argument_block_size, expand_call): Use it.
13121 (expand_call, store_one_arg): Increment it.
13123 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13125 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13128 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13130 * cppfiles.c (cpp_read_file): New function.
13132 * cpphash.c (collect_expansion): Make sure to reset last_token
13133 to NORM when we hit a string. Handle trailing whitespace
13134 properly when the expansion is empty.
13135 (create_definition): Disable line commands while parsing the
13137 (dump_definition): If pfile->lineno == 0, output a line
13138 command ahead of the dump, and add a trailing newline.
13140 * cppinit.c (append_include_chain): Add fifth argument, which
13141 indicates whether or not system headers are C++ aware.
13142 (initialize_standard_includes): New function,
13143 broken out of read_and_prescan. Pass 'cxx_aware' value from
13144 the include_defaults_array on to append_include_chain.
13145 (dump_special_to_buffer): Const-ify char array.
13146 (builtin_array): Don't dump __BASE_FILE__.
13147 (cpp_start_read): Use cpp_read_file. Reorder code for
13148 clarity. Don't output line commands here for -D/-A/-U
13149 switches. Don't call deps_output for files included with
13150 -include or -imacros.
13152 * cpplib.c (do_define): Don't pay any attention to the second
13154 (cpp_expand_to_buffer): Disable line commands while scanning.
13155 (output_line_command): Work in the file buffer.
13156 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13157 Fix formatting of comments. Prototype cpp_read_file.
13159 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13161 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13162 reference the language-equivalent of sizetype.
13163 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13164 * fold-const.c (size_binop, size_diffop): Put back checks.
13165 * gcse.c (dump_hash_table): Fix minor error in last change.
13166 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13167 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13170 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13172 * calls.c (expand_call) Do not attempt to combine stack adjustments
13173 with inhibit_defer_pop set.
13175 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13177 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13178 the DECL_SIZE for a FIELD_DECL.
13180 2000-03-01 Bruce Korb <bkorb@gnu.org>
13182 * fixinc/inclhack.tpl: remove unused symlinks
13183 * fixinc/README: GCC Maintainer info
13184 * fixinc/inclhack.sh: regen
13185 * fixinc/fixincl.sh: regen
13187 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13189 * cpphash.c (collect_expansion): Trim trailing white space
13190 from macro definitions, but don't go past the last insertion
13193 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13195 * i386.md (mulqi3): New pattern.
13197 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13199 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13201 (struct cpp_reader): Add parsing_if_directive and
13202 parsing_define_directive flags.
13203 (struct cpp_options): Remove output_conditionals flag.
13204 (check_macro_name): Delete prototype.
13206 * cpphash.h (struct macrodef): Delete.
13207 (struct reflist): Separate from struct definition.
13208 (struct definition): Remove unused fields. Add column number.
13209 (create_definition): Returns a DEFINITION *. Takes a
13210 cpp_reader * and an int.
13212 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13213 (PEEKC): Copy defn from cpplib.c.
13214 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13216 (struct arglist): Simplify.
13217 (collect_expansion): Rewrite. Get tokens by calling
13218 cpp_get_token. Add more error checking.
13219 (collect_formal_parameters): New function, broken out of
13220 create_definition and reworked to use get_directive_token.
13221 (create_definition): All real work is now in collect_expansion
13222 and collect_formal_parameters. do_define handles finding the
13223 macro name. Return a DEFINITION, not a MACRODEF.
13224 (macroexpand): Replace bcopy with memcpy throughout. Replace
13225 character-at-a-time copy loop with memcpy and pointer increments.
13226 (compare-defs): d1->argnames / d2->argnames might be null.
13228 * cpplib.c (copy_rest_of_line): Delete function.
13229 (skip_rest_of_line): Do all the work ourselves.
13230 (skip_string): New function.
13231 (parse_string): Use skip_string.
13232 (get_macro_name): New function.
13233 (check_macro_name): Delete.
13234 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13235 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13236 (handle_directive): ICE if we're called on a macro buffer.
13237 (do_define): Determine macro name and type (funlike/objlike)
13238 here. Expunge all uses of MACRODEF.
13239 (cpp_push_buffer): Set line_base to NULL.
13240 (do_undef, read_line_number): Don't worry about getting a POP token.
13241 (eval_if_expression): Set/reset parsing_if_directive around
13242 cpp_parse_expr. Don't clear only_seen_white.
13243 (skip_if_group): Remove output_conditionals logic. Use
13245 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13246 tokens under appropriate conditions.
13247 (cpp_unassert): Call do_unassert not do_assert. Oops.
13249 * cppexp.c (parse_defined): New function, break out of
13251 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13252 ourselves, with cpp_defined.
13253 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13255 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13256 * gcc.dg/strpaste-2.c: New.
13258 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13260 * fold-const.c (size_binop): Don't asert inputs are the same and
13261 have TYPE_IS_SIZETYPE set.
13262 (size_diffop): Likewise.
13264 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13266 * dwarfout.c (output_block): Output abstract blocks even if they
13267 don't have TREE_ASM_WRITTEN set.
13269 * calls.c (emit_library_call): Check for null REG.
13271 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13273 * c-decl.c (current_function_decl): Move to toplev.c.
13274 (init_decl_processing): Don't add current_function_decl as a ggc
13276 * dbxout.c (dbxout_symbol): Change return type to int.
13277 (dbxout_symbol_location, dbxout_syms): Likewise.
13278 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13279 any locals. Use current_function_func_begin_label if set.
13280 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13281 * dwarf2out.c (dwarf2out_begin_prologue): Set
13282 current_function_func_begin_label.
13283 * final.c (final_start_function): Reset it.
13284 * toplev.c (current_function_decl): Define it here.
13285 (current_function_func_begin_label): New variable.
13286 (main): Add both as ggc roots.
13287 * tree.h (current_function_func_begin_label): Declare.
13289 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13291 * gcse.c: Cleanups throughout: mostly white-space, but also
13292 some minor rearrangement of code.
13294 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13296 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13297 returns a PARALLEL. Use emit_group_load and use_group_regs
13299 (emit_library_call_value): Similarly.
13301 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13302 * pa/quadlib.asm: Remove.
13303 * pa/quadlib.c: New file.
13305 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13306 * configure: Rebuilt.
13308 2000-02-29 Philip Blundell <pb@futuretv.com>
13310 * config/arm/conix-elf.h: New file.
13311 * configure.in (arm*-*-conix*): New configuration.
13312 * configure: Regenerate.
13314 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13316 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13317 don't have TREE_ASM_WRITTEN set.
13319 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13321 * Eliminate DECL_FIELD_SIZE.
13322 * builtins.c (built_in_class_names, built_in_names): New variables.
13323 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13324 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13325 DECL_SIZE, not DECL_FIELD_SIZE.
13326 * print-tree.c (print_node): Remove code that prints extra blank
13327 lines in some cases.
13328 Properly handle inline and builtin function cases.
13329 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13330 * tree.h (built_in_class_named, built_in_names): New declarations.
13331 (union tree_decl): Rename internal unions to u1 and u2 and change
13332 some of their components.
13333 Add new field built_in_class.
13334 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13335 Reflect above changes.
13336 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13337 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13338 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13339 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13341 2000-02-28 Dmitri Makarov <dim@windriver.com>
13343 * extend.texi: Document ARM's support for long/short calls.
13345 * invoke.texi: Document ARM's -mlong-calls command line switch.
13347 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13348 (arm_encode_call_attribute): Add prototype.
13349 (arm_set_default_type_attribute): Add prototype.
13350 (arm_strip_name_encoding): Add prototype.
13352 * config/arm/arm.c (arm_init_cumulative_args): replace
13353 initialisation og 'long_calls' field with initialisation of
13354 'call_cookie' field.
13355 (enum arm_pragma_enum): New enum.
13356 (arm_pragma_long_calls): New static variable.
13357 (arm_process_pragma): Also process "#pragma long_calls_off".
13358 (arm_valid_type_attribute_p): Accept short_call attribute.
13359 (arm_comp_type_attributes): Check long/short call attributes.
13360 (arm_encode_call_attribute): New function: Encode long_call
13361 or short_call attribute in function name.
13362 (arm_set_default_type_attributes): New function: Assign
13363 default attributes to newly defined type.
13364 (current_file_function_operand): New function: Return true if
13365 the symbol is a function which has already been compiled.
13366 (arm_is_longcall_p): New function: Return true if the
13367 indicated function should be called via a long call.
13368 (arm_get_strip_length): New function. Returns number of
13369 prefix characters to be stripped from a function's name.
13370 (arm_strip_name_encoding): New function. Strip prefix characters
13371 from a function's name.
13373 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13374 with 'call_cookie'.
13375 (SHORT_CALL_FAG_CHAR): Define.
13376 (LONG_CALL_FAG_CHAR): Define.
13377 (ENCODED_SHORT_CALL_ATTR_P): Define.
13378 (ENCODED_LONG_CALL_ATTR_P): Define.
13379 (ARM_NAME_ENCODING_LENGTHS): Define.
13380 (STRIP_NAME_ENCODING): Define.
13381 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13382 (ARM_ENCODE_CALL_TYPE): Define.
13383 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13384 (ARM_DECLARE_FUNCTION_SIZE): Define.
13385 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13387 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13388 if a long call is needed.
13389 (call_value): Ditto.
13390 (call_symbol): Ditto.
13392 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13393 ARM_DECLARE_FUNCTION_SIZE.
13395 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13396 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13397 (ARM_STRIP_NAME_ENCODING): Undefine.
13398 (STRIP_NAME_ENCODING): Undefine.
13399 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13400 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13401 (ASM_OUTPUT_COMMON): Ditto.
13402 (ASM_DECLARE_OBJECT_NAME): Ditto.
13404 * config/arm/pe.c (arm_dllexport_name_p): Check for
13406 (arm_dllimport_name_p): Ditto.
13407 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13408 (arm_mark_dllimport): Ditto.
13410 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13412 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13414 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13416 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13418 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13420 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13421 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13422 NO_BUILTIN_WCHAR_TYPE is not defined.
13423 (CPP_WCHAR_TYPE): Delete.
13424 * cccp.c (main): Don't change wchar_type if cplusplus.
13425 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13427 2000-02-28 Nick Clifton <nickc@cygnus.com>
13429 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13431 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13433 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13434 (ASM_WEAKEN_LABEL): Define.
13436 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13438 * expr.c (store_constructor): Do not emit USE.
13439 * rtl.h (stupid_life_analysis): Remove.
13441 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13443 * function.c (number_blocks): Reset next_block_index based on
13444 what debugging format is used, not what is defined.
13446 * lcm.c: Minor reformatting throughout.
13447 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13449 * toplev.c (rest_of_compilation): Account for time in
13450 optimize_mode_switching.
13452 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13453 if only marking labels.
13455 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13457 * calls.c (expand_call): Attempt to combine stack adjustments with
13458 pending stack adjustments.
13460 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13462 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13463 to the end of the function.
13465 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13467 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13469 * final.c (next_block_index): Remove.
13470 (max_block_depth): Likewise.
13471 (pending_blocks): Likewise.
13472 (init_final): Don't initialize them.
13473 (final_start_function): Don't set next_block_index. Set up
13475 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13476 * function.h (number_blocks): New function.
13477 * function.c (get_block_vector): New function.
13478 (identify_blocks): Use it.
13479 (reorder_blocks): Set NOTE_BLOCK.
13480 (number_blocks): New function.
13481 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13482 * tree.h (BLOCK_NUMBER): New macro.
13483 (tree_block): Add block_num field.
13484 * dbxout.c (next_block_number): Remove.
13485 (dbxout_init): Don't set it.
13486 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13487 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13489 * toplev.c (rest_of_compilation): Always call
13490 find_loop_tree_blocks. Fix indentation.
13491 * dwarf2out.c (next_block_number): Remove.
13492 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13493 to determine block numbers.
13494 (gen_inlined_subroutine_die): Likewise.
13495 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13496 (decls_for_scope): Don't increment next_block_number.
13497 * dwarfout.c (next_block_number): Remove.
13498 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13499 to determine block numbers.
13500 (output_inlined_subroutine_die): Likewise.
13501 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13502 (output_decls_for_scope): Don't increment next_block_number.
13503 * sdbout.c (next_block_number): Remove.
13504 (sdbout_block): Use BLOCK_NUMBER.
13505 (sdbout_begin_block): Simplify.
13506 * xcoffout.c (next_block_number): Remove.
13507 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13508 (xcoffout_begin_block): Don't set next_block_number.
13509 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13512 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13514 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13515 (expand_builtin_strcpy): Pass correct type to size_binop.
13516 (expand_builtin_strcmp): Likewise.
13517 Clean up conditional structure.
13518 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13519 (complete_array_type): Don't use size_binop for MAXINDEX.
13520 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13521 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13522 (c_alignof): Use size_one_node.
13523 (build_unary_op): Pass arg of proper type to size_binop.
13524 (really_start_incremental_init, push_init_level): Use sizetype for
13525 constructor{,_bit,_unfilled}_index.
13526 (pop_init_label, output_init_element): Likewise.
13527 (output_pending_init_elements, process_init_element): Likewise.
13528 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13529 * expr.c (store_expr): Use size_int.
13530 (store_constructor): Use proper types for size_binop args.
13531 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13532 (expand_expr_unaligned): Likewise.
13533 (string_contant): Return object of sizetype.
13534 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13535 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13536 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13537 * fold-const.c (int_const_binop): Refine when size_int is called.
13538 (fold_convert): Likewise.
13539 (size_int_wide): Rework to take KIND as arg, only take low order
13540 bits, handle new sizetype_tab datatype, and chain entries in
13542 (size_int_type_wide): New function.
13543 (size_binop): Validate types of arguments.
13544 (ssize_binop): Deleted.
13545 (size_diffop): New function.
13546 (extract_muldiv): Only fold division into multiplication for sizetypes.
13547 * function.c (assign_parms): Use size_diffop and make sure
13548 VAR field is of ssizetype; also pass proper type to size_binop.
13549 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13550 (round_down): Deleted from here.
13551 * store-layout.c (sizetype_tab): Now an array.
13552 (sizetype_set, early_root_list): New variables.
13553 (variable_size): Use size_one_node.
13554 (round_up): Pass proper type to size_binop.
13555 (round_down): Moved to here and corrected as above.
13556 (layout_record): Pass proper arg types to size_binop.
13557 (layout_type): Likewise.
13558 If sizetype_set is zero, record the type just laid out.
13559 (make_unsigned_type): Don't call set_sizetype;
13560 (make_signed_type): Likewise; also, call fixup_signed_type.
13561 (initialize_sizetypes): New function.
13562 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13563 set name of bitsizetype to "bit_size_type".
13564 Fix up type of sizes of all types made before call.
13565 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13566 * tree.c (fix_sizetype): Deleted.
13567 (build_common_tree_nodes): Call initialize_sizetypes.
13568 (build_common_tree_nodes_2): Don't call fix_sizetype.
13569 * tree.h (TYPE_IS_SIZETYPE): New macro.
13570 (initialize_sizetype): New declaration.
13571 (enum size_type_kind): New type.
13572 (struct sizetype_tab): Deleted.
13573 (sizetype_tab): Now array; adjust sizetype macros.
13574 (size_diffop, size_int_type_wide): New functions.
13575 (size_int_wide): Change number of args and type; access macros changed.
13576 (ssize_int, sbitsize_int): New macros.
13577 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13578 (ROUND_TYPE_SIZE_UNIT): New macro.
13580 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13582 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13584 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13586 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13587 Mark as possibly unused.
13589 * cse.c (cse_insn): Delete dead code involving tablejump.
13590 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13592 * Makefile.in (libcpp.a): Start by deleting it.
13594 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13596 * cpplib.h (enum file_change_code): Added rename_file.
13597 * cpplib.c (do_line): If a filename is given, set file_change to
13599 (output_line_command): If file_change is rename_file, always
13600 output a # directive with the file name.
13602 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13604 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13606 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13607 when copying a PARM_DECL or RESULT_DECL.
13609 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13611 * fix-header.c (recognized_function): Also fix prototypes for
13612 functions taking "void".
13614 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13616 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13617 looking at reg_reloaded_contents.
13619 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13621 * Makefile.in (STMP_FIXINC): New toggle.
13622 (LIBGCC2_DEPS): Delete all references.
13623 (stmp-headers): Delete target. All references either deleted
13624 or changed to stmp-int-headers.
13625 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13626 (LIBCPP_OBJS): Take out cppalloc.o.
13627 (cppalloc.o): Delete target.
13628 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13629 (gen-protos, fix-header): Link with libiberty.a.
13630 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13633 * configure.in: Remove refs to strerror.
13634 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13635 * system.h: Take out strerror stanza.
13637 * cpperror.c (my_strerror): Delete function.
13638 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13639 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13640 * cppalloc.c: Delete file.
13641 * gen-protos.c: Don't provide xrealloc.
13643 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13644 xstrerror throughout.
13646 2000-02-26 Bruce Korb <bkorb@gnu.org>
13648 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13649 match for DOS headers, too.
13650 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13652 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13654 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13655 is right for most ELF targets.
13656 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13657 Let the default file use %U properly.
13658 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13661 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13664 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13666 * toplev.c (documented_lang_options): Correct spelling error.
13667 (decode_d_option, decode_f_option, main): Likewise.
13669 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13671 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13672 to tell assembler it is permitted to expand large constants.
13674 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13676 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13677 (aux_info_suffix): Use.
13678 (SAVE_SUFFIX): New macro.
13679 (save_suffix): Use.
13680 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13681 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13682 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13684 * invoke.texi (Running Protoize): Update documentation.
13686 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13688 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13690 2000-02-25 John Wehle (john@feith.com)
13692 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
13694 2000-02-25 Anthony Green <green@cygnus.com>
13696 * toplev.c (rest_of_compilation): Rebuild jump labels if
13697 combine_instructions has created a new direct jump.
13698 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
13700 (combine_instructions): Call try_combine with new argument.
13701 Return non-null value when new direct jump instruction is created.
13702 * rtl.h: combine_instructions returns an int.
13704 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
13706 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
13707 jump when changing a computed jump into a jump to a known
13710 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
13712 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
13713 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
13715 * i386.md (define_expand "clrstrsi"): Fix typo.
13717 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
13719 * rtl.texi: Fix typo.
13721 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13723 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
13724 UNITS_PER_WORD. Change caller initial_elimination_offset.
13725 (rounded_frame_size): Take into account that argument pushed has
13726 changed. Fix TARGET_ALIGN_DOUBLE problem.
13728 2000-02-25 Geoff Keating <geoffk@cygnus.com>
13730 * haifa-sched.c (schedule_block): Explain the real reason
13731 we delete REG_SAVE_NOTEs on the first insn of a block.
13732 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
13734 2000-02-24 Mark Mitchell <mark@codesourcery.com>
13736 * input.h (push_srcloc): New function.
13737 (pop_srcloc): Likewise.
13738 * toplev.c (push_srcloc): Define it.
13739 (pop_srcloc): Likewise.
13741 2000-02-24 Richard Henderson <rth@cygnus.com>
13743 * flow.c (life_analysis): When collecting reg info, clear
13746 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13748 Fix bug exposed by reload.c no longer rounding the frame
13749 size to BIGGEST_ALIGNMENT:
13750 * sh.c (rounded_frame_size): New function.
13751 (sh_expand_prologue, sh_expand_epilogue): Use it.
13752 (initial_elimination_offset): Likewise.
13754 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13756 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
13757 * sh-protos.h (sh_need_epilogue): Declare.
13758 * sh.c (sh_need_epilogue_known): New static variable.
13759 (sh_need_epilogue): New function.
13760 (function_epilogue): Clear need_epilogue_known.
13761 * sh.md (return): Split into expander / insn pattern.
13762 Make the expander conditional on ! sh_need_epilogue ().
13764 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
13766 * machmode.h (get_mode_alignment): Declare.
13767 (GET_MODE_ALIGNMENT): Call it.
13768 * stor-layout.c (get_mode_alignment): New function. Make
13769 sure alignment is always power of 2.
13771 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13773 * i386.h: Remove useless definition of "I386" and misleading
13776 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13778 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
13779 under which TREE_PERMANENT will be set.
13780 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
13781 build1): Use TREE_SET_PERMANENT.
13782 * print-tree.c (print_node): Don't report value of
13783 TREE_PERMANENT if ggc_p is true.
13785 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
13786 decide whether to give a type a new alias set.
13787 * objc/objc-act.c (build_objc_string_object): Never copy the string.
13788 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
13789 of value of 'obstack'.
13792 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13794 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
13796 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13798 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
13799 * cpplib.c (cpp_get_token): Produce them.
13800 * cppexp.c (cpp_lex): Handle them.
13802 2000-02-23 Nick Clifton <nickc@cygnus.com>
13804 * config/arm/arm.c (arm_comp_type_attributes): Simply and
13805 comment tests on type attributes.
13807 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13809 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
13810 conform to documentation.
13811 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
13812 to check for special cases.
13813 * sh-protos.h (sh_loop_align): Declare.
13814 * sh.c (sh_loop_align): Define.
13816 2000-02-22 Andrew Haley <aph@cygnus.com>
13818 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
13819 (SIZE_TYPE): Is 32 bits when using -mgp32.
13820 (PTRDIFF_TYPE): Ditto.
13822 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13824 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
13826 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13828 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
13829 BIGGEST_FIELD_ALIGNMENT a constant.
13831 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
13833 * dwarf2out.c (output_line_info): Put the marker for the end of
13834 the line number info at the actual end.
13835 (gen_struct_or_union_type_die): Use decl_function_context
13836 to check for local classes.
13837 * dwarfout.c (output_type): Likewise.
13839 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
13841 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
13842 for arguments with a mode, but no type.
13843 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
13844 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
13845 * pa/long_double.h: New file.
13846 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
13847 both have 128bit wide long doubles.
13848 * configure: Rebuilt.
13850 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13852 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
13854 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
13855 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
13856 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
13858 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
13860 * integrate.c (compare_blocks, find_block): Likewise.
13862 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
13864 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
13866 * stmt.c (stmt_status, set_file_and_line_for_stmt,
13867 expand_asm_operands): Likewise.
13869 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
13871 * predict.c (estimate_probability): Added the pointer heuristic to
13872 the collection of static branch predictors.
13874 2000-02-21 Catherine Moore <clm@cygnus.com>
13876 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
13877 * invoke.texi (-mfix7000): Document.
13879 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
13881 * diagnostic.c (init_output_buffer): Make it possible to output at
13882 least 32 characters if we're given a too long prefix.
13884 2000-02-20 Mark Mitchell <mark@codesourcery.com>
13886 * varasm.c (initializer_constant_valid_p): Call
13887 lang_expand_constant to simplify the constant.
13889 2000-02-20 Bruce Korb <bkorb@gnu.org>
13891 * fixinc/inclhack.def(stdio_va_list):
13892 typedef needs to be disabled.
13893 * fixinc/inclhack.sh: regen
13894 * fixinc/fixincl.x: regen
13896 2000-02-20 Geoff Keating <geoffk@cygnus.com>
13898 * print-rtl.c (print_rtx): Don't print addresses when
13899 flag_dump_unnumbered.
13901 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13903 * sparc.c (sparc_output_scratch_registers): Mark parameter with
13905 (sparc_va_arg, sparc_flat_output_function_prologue,
13906 sparc_flat_output_function_epilogue): Cast value to unsigned in
13908 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
13910 * sparc.md: Add default case in switch.
13912 2000-02-19 Richard Henderson <rth@cygnus.com>
13914 * c-typeck.c (add_pending_init): Don't abort for multiple
13915 fields at the same offset.
13916 (pending_init_member): Test the correct member.
13918 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13920 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
13922 (start_catch_handler) : Same.
13924 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
13926 * Makefile.in: Have flow.o depend on $(EXPR_H)
13928 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13930 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
13931 * c-decl.c (duplicate_decls, finish_enum): Likewise.
13932 (finish_decl): Remove -Wlarger-than code from here.
13933 * flags.h (id_clash_len): Now int.
13934 (larger_than_size): Now HOST_WIDE_INT.
13935 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
13936 Clean up checking to see if in table.
13937 (make_bit_field_ref): Remove extra parm to bitsize_int.
13938 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
13939 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
13940 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
13941 and for computing size of decl.
13942 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
13943 Move -Wlarger-than code to here.
13944 (layout_record): Remove extra arg to bitsize_int.
13945 Set TYPE_BINFO_SIZE_UNIT.
13946 (layout_union): Remove extra arg to bitsize_int.
13947 Use proper type for size of QUAL_UNION.
13948 (layout_type): Remove extra arg to bitsize_int.
13949 * toplev.c (id_clash_len): Now int.
13950 (larger_than_size): Now HOST_WIDE_INT.
13951 (decode_W_option): Clean up id-clash and larger-than- cases.
13952 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
13953 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
13954 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
13955 (struct tree_decl): New field size_unit.
13956 (size_int_wide): No HIGH operand; NUMBER is now signed.
13957 (size_int_2): Deleted.
13958 (size_int, bitsize_int): Don't use it and rework args.
13959 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
13961 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
13963 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
13965 2000-02-18 Geoff Keating <geoffk@cygnus.com>
13967 * invoke.texi (Warning Options): Add an explanation of why
13968 you might want the -Wfloat-equal flag.
13970 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13972 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
13973 * cppinit.c (new_pending_define): Add cast to avoid warning.
13974 * expmed.c (extract_bit_field): Likewise.
13975 * flow.c (enum reorder_skip_type): New type.
13976 (skip_insns_between_blcok): New it.
13977 Rework to avoid warning about possibly undefined variable.
13978 * function.c (assign_parms): Make thisparm_boundary unsigned.
13979 * genrecog.c (write_switch): Cast XWINT result to int.
13980 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
13981 * mips-tfile.c (init_file): Make two versions of FDR intializer:
13982 one for MIPS and one for Alpha.
13983 (get_tag, copy_object): Add casts to avoid warnings.
13984 * optabs.c (init_one_libfunc): Cast NAME to (char *).
13985 * reload.c (find_reloads): Make TYPE enum reload_type.
13986 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
13987 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
13988 * varasm.c (compare_constant_1): Add cast to avoid warning.
13989 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
13991 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
13992 Cast switch operand of size to int.
13993 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
13994 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
13997 2000-02-18 Nick Clifton <nickc@cygnus.com>
13999 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14000 anything for an alignment of zero.
14002 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14003 anything for an alignment of zero.
14005 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14007 * gcc.texi (Bug Reporting): Refer to bugs.html.
14008 (Bug Lists): Likewise.
14009 * system.h (GCCBUGURL): New preprocessor define.
14010 * rtl.c (fancy_abort): Use it.
14011 * gcc.c (main): Likewise.
14013 2000-02-18 Richard Henderson <rth@cygnus.com>
14015 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14016 (life_analysis_1): Subsume into ...
14017 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14018 Use update_life_info for the relaxation.
14019 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14020 entry and regs_live_at_setjmp.
14021 (set_noop_p): Simplify.
14022 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14023 (record_volatile_insns): Split into ...
14024 (delete_noop_moves): ... here,
14025 (notice_stack_pointer_modification): ... here,
14026 (insn_dead_p): ... and here.
14027 (propagate_block): Don't query INSN_VOLATILE.
14028 (mark_used_regs): Mind !PROP_REG_INFO.
14029 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14030 not in life_analysis.
14032 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14034 * loop.c (canonicalize_condition): New function,
14035 broken out of get_condition.
14036 (get_condition): Use it.
14037 * expr.h (canonicalize_condition): Prototype it.
14039 * tree.h (tree_int_cst_msb): Declare.
14040 * tree.c (tree_int_cst_msb): New function.
14042 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14044 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14047 * invoke.texi (-fmessage-length=n): Document.
14049 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14051 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14053 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14055 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14056 after the prologue.
14058 2000-02-17 Nick Clifton <nickc@cygnus.com>
14060 * config/arm/thumb.c: Replace includes of system headers with
14061 #include "system.h".
14063 2000-02-16 Richard Henderson <rth@cygnus.com>
14065 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14066 Add crtbeginS.o and crtendS.o.
14067 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14068 (ENDFILE_SPEC): Use crtendS.o.
14069 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14071 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14072 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14073 shared and present.
14074 (__dso_handle): New variable.
14075 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14076 bias to __CTOR_END__.
14078 2000-02-16 Richard Henderson <rth@cygnus.com>
14080 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14082 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14084 * longlong.h (__clz_tab): Declare as static to match definition.
14086 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14088 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14089 (XREF_FILE_NAME): Define.
14091 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14092 (EH_FRAME_SECTION_ASM_OP): Define.
14093 (IDENT_ASM_OP): Define.
14094 (TEXT_SECTION_ASM_OP): Define.
14095 (CPP_SPEC): Define.
14096 (CTORS_SECTION_ASM_OP): Define.
14097 (CTOR_SECTION_FUNCTION): Use it.
14098 (DTORS_SECTION_ASM_OP): Define.
14099 (DTOR_SECTION_FUNCTION): Use it.
14101 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14103 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14106 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14107 debug_bb_n): New functions.
14108 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14109 * basic-block.h: Prototype new functions.
14111 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14113 * configure.in: Add support for avr target.
14114 * configure: Rebuilt.
14116 * invoke.texi: Add AVR invocation docs.
14117 * install.texi: Add information about AVR.
14118 * md.texi: Add AVR constraint letters description.
14119 * extend.texi: Add description for AVR specific attributes.
14121 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14123 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14125 2000-02-16 Nick Clifton <nickc@cygnus.com>
14127 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14128 (make_insn_raw): Move RTL check here.
14130 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14132 * version.c: Include gansidecl.h and version.h.
14134 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14136 * configure.in (gcc_version): When setting, narrow search to
14137 lines containing `version_string'.
14139 * Makefile.in (mainversion): Likewise.
14140 (GCC_H): New variable.
14141 (gcc.h): Delete target.
14142 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14143 (version.o): Depend on version.h.
14144 (dbxout.o): Don't depend on gcc.h.
14146 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14147 Michael Meissner <meissner@cygnus.com>
14149 * md.texi (Simple Constraints): Add item about whitespace.
14150 * genoutput.c (strip_whitespace): New.
14151 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14152 strip_whitespace for constraints.
14153 Test pointer using NULL, not 0.
14155 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14157 * cpplib.c (do_line): Pedwarn for #line > 32767.
14159 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14161 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14163 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14164 to default cpp spec.
14165 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14166 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14169 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14172 2000-02-15 Denis Chertykov <denisc@overta.ru>
14174 * configure.in: Add support for avr target.
14176 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14178 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14179 (sh_addr_diff_vec_mode): Don't declare.
14180 * sh.c (sh_addr_diff_vec_mode): Delete.
14182 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14184 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14186 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14188 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14189 (smulsi3_highpart_i): Name.
14190 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14191 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14192 (smulsi3_highpart, umulsi3_highpart): Likewise.
14194 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14195 correctly independent of endianness.
14196 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14197 confuse the optimizers.
14198 (mulsidi3+1, umulsidi3+1): New define_split.
14200 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14202 * config/sh/sh.md: Guard insn splits against illegal registers.
14203 * config/sh/sh.h: Correct comment about macros.
14205 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14206 Andrew MacLeod <amacleod@cygnus.com>
14208 * Makefile.in (lcm.o): Depend on insn-attr.h.
14209 * basic-block.h (optimize_mode_switching): Declare.
14210 * lcm.c (tm_p.h, insn-attr.h): #include.
14211 (seginfo, bb_info): New structs.
14212 (antic, transp, comp, delete, insert) : New file-scope static variables.
14213 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14214 (reg_becomes_live, optimize_mode_switching): Likewise.
14215 * tm.texi: Add description of mode switching macros.
14216 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14218 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14219 (fldi_ok, fpscr_set_from_mem): New prototypes.
14220 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14221 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14222 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14223 (sh_flag_remove_dead_before_cse): Remove declaration.
14224 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14225 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14226 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14227 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14228 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14229 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14230 (fldi_ok): New function.
14231 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14232 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14233 (emit_df_insn): Likewise.
14234 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14235 (sh_flag_remove_dead_before_cse): Delete.
14236 (get_free_reg, fpscr_set_from_mem): New functions.
14237 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14238 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14240 2000-02-15 Loren Rittle <ljrittle@acm.org>
14242 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14244 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14246 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14247 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14249 * cccp.c: Include version.h and/or don't declare `version_string'.
14250 * collect2.c: Likewise.
14251 * alpha.c: Likewise.
14252 * arm/aof.h: Likewise.
14253 * arm/coff.h: Likewise.
14254 * arm/elf.h: Likewise.
14255 * arm/pe.h: Likewise.
14256 * arm/tcoff.h: Likewise.
14257 * arm/telf.h: Likewise.
14258 * arm/tpe.h: Likewise.
14259 * arm/vxarm.h: Likewise.
14260 * convex/convex.c: Likewise.
14261 * i386/dgux.c: Likewise.
14262 * i386/sun386.h: Likewise.
14263 * m88k/m88k.c: Likewise.
14264 * mcore/mcore-pe.h: Likewise.
14265 * mips/mips.h: Likewise.
14266 * romp/romp.h: Likewise.
14267 * sh/sh.c: Likewise.
14268 * cpphash.c: Likewise.
14269 * cppinit.c: Likewise.
14270 * dwarf2out.c: Likewise.
14271 * dwarfout.c: Likewise.
14274 * mips-tfile.c: Likewise.
14275 * protoize.c: Likewise.
14276 * toplev.c: Likewise.
14277 * tree.h: Likewise.
14279 * version.c (version_string): Constify a char*.
14281 * version.h: New file.
14283 2000-02-14 Nick Clifton <nickc@cygnus.com>
14285 * configure.in: Add mcore-elf and mcore-pe targets.
14286 * configure: Regenerate.
14288 * NEWS: Add note that MCore port has been contributed.
14290 * invoke.texi: Document command line switches for MCore port.
14291 * install.texi: Add MCore to list of supported targets.
14293 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14295 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14296 then we will need to import the frame handling functions.
14297 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14298 to import the frames themselves.
14300 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14301 Jason Eckhardt <jle@cygnus.com>
14303 * basic_block.h: Added prototype for reorder_basic_blocks.
14304 * toplev.c: Changes to add -freorder-blocks and graph dump after
14305 block reordering is done.
14306 * flow.c (reorder_block_def): New structure for use during block
14308 (REORDER_BLOCK_*): New macros to access members of above structure.
14309 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14310 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14311 functions for block reordering.
14313 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14315 * gcc.texi (Passes): Fix typo.
14316 * md.texi (Standard Names): Ditto.
14317 * tm.texi (Storage Layout): Ditto.
14319 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14321 * cpplib.c (do_define): Only free the old definition if it
14324 2000-02-13 Neil Booth <NeilB@earthling.net>
14326 * cppfiles.c (read_and_prescan): When emitting deferred
14327 newlines, test speccase[] again instead of checking each
14328 possible whitespace character in turn. When we encounter \r,
14329 look behind for \n first, then ahead.
14331 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14333 * cse.c (cse_altered): New internal flag.
14334 (cse_insn): Set it if we changed an insn.
14335 (cse_main): Clear cse_altered before each basic block.
14336 Only garbage collect if cse_altered is true afterward.
14338 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14340 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14342 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14344 * combine.c (simplify_comparison): Fix typo.
14346 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14348 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14351 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14353 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14354 previously inserted node instead of root node. Caller changed.
14356 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14358 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14360 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14362 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14363 __dereg_frame_dtor): Add prototype argument.
14365 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14367 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14369 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14371 * gthr-vxworks.h (__gthread_once): Likewise.
14373 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14375 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14377 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14378 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14379 stack pointer in functions w/o saved registers, output LEAVE more often
14380 on TARGET_USE_LEAVE machines.
14382 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14384 * config/arm/arm.c (arm_init_cumulative_args); New function:
14385 Initlaise the CUMULATIE_ARGS strcuture for a function
14387 (arm_function_arg): New function: Determine where to place a
14388 function's argument. Also handles deciding the function's
14390 (current_file_function_operand): New function: Return true if
14391 the symbol is a function which has already been compiled.
14392 (arm_is_long_call_p): New function: Return true if the
14393 indicated function should be called via a long call.
14394 (arm_valid_type_attribute_p): New function: Return true if the
14395 attribute is a valid, arm specific, attribute.
14396 (arm_comp_type_attribute): New function: Return true if the
14397 two types have compatable, arm specific, attributes.
14399 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14401 (FUNCTION_ARG): Redefine to call arm_function_arg.
14402 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14404 (INIT_CUMULATIVE_ARGS): Redefine to call
14405 arm_init_cumulative_args.
14406 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14408 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14410 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14412 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14413 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14414 (COMP_TYPE_ATTRIBUTES): Define.
14416 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14417 if a long call is needed.
14418 (call_value): Call arm_is_long_call_p to decide if a long call
14420 (call_symbol): Call arm_is_long_call_p to decide if a long call
14423 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14425 2000-02-11 Denis Chertykov <denisc@overta.ru>
14427 * README.AVR: New file with information about the avr ports.
14428 * config/avr: New directory with avr port files.
14430 2000-02-11 Andreas Jaeger <aj@suse.de>
14432 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14434 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14436 * cpphash.c: Fix formatting, update commentary.
14437 (dump_definition): Take three separate arguments instead of a
14438 MACRODEF structure argument.
14439 * cpphash.h: Update prototype of dump_definition.
14440 * cppinit.c (cpp_finish): Update call of dump_definition.
14442 * cpplib.c (do_define): Always create new hash entry with
14443 T_MACRO type. Remove redundant check for redefinition of
14444 poisoned identifier. Update call of dump_definition.
14445 (do_undef): Don't call check_macro_name. Rename sym_length to
14447 (do_error, do_warning): Don't use copy_rest_of_line or
14449 (do_warning): Don't use pedwarn for the actual warning,
14450 only the notice about its not being in the standard. (Fixes
14451 bug with #warning in system headers.)
14452 (do_ident): Stricter argument checking - accept only a single
14453 string after #ident. Also, macro-expand the line.
14454 (do_xifdef): Use cpp_defined. De-obfuscate.
14456 (do_pragma): Split out specific pragma handling to separate
14457 functions. Use get_directive_token. Update commentary. Do
14458 not pass on #pragma once or #pragma poison to the front end.
14459 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14460 do_pragma_default): New.
14462 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14464 * jump.c (jump_optimize_1): The first operand in a relational
14465 can be a CONST_INT.
14466 * optabs.c (emit_conditional_move): Handle relationals which
14467 have a known true/false result.
14469 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14471 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14472 a RETURN insn into a block which already ends with a jump.
14474 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14476 * haifa-sched.c (BUF_LEN): Increase a lot.
14478 2000-02-11 Nick Clifton <nickc@cygnus.com>
14480 * configure.in: Add tm_p_file specification for thumb targets.
14481 * configure: Regenerate.
14483 * config/arm/thumb-protos.h: New file: Prototypes for exported
14484 functions defined in thumb.c.
14486 2000-02-11 Robert Lipe <robertl@sco.com>
14488 * Makefile.in (bootstrap-lean): Remove additional files.
14489 (bootstrap2-lean): Likewise.
14490 (VOL_FILES): List of files for above.
14492 2000-02-11 Nathan Sidwell <nathan@acm.org>
14494 * cpphash.c (special_symbol): Remove spurious argument to
14497 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14499 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14501 * configure: Rebuilt.
14503 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14505 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14507 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14509 * pa.c, pa.h: Remove trigraph sequences within comments.
14511 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14513 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14515 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14517 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14519 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14521 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14523 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14525 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14526 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14527 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14528 (ASM_FILE_END): Use c4x_file_end.
14529 * config/c4x/c4x.c (c4x_global_label): New function.
14530 (c4x_external_ref, c4x_file_end): Likewise.
14532 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14533 (c4x_external_ref, c4x_end_file): Likewise.
14535 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14537 * cppexp.c: Don't include cpphash.h.
14538 (parse_charconst, cpp_lex): Use cpp_defined.
14539 (cpp_lex): Use get_directive_token throughout. Remove
14540 unnecessary cases from switch. Move assertion-handling code
14541 down to OTHER case.
14542 (cpp_parse_expr): If we see '+' or '-', check the context to
14543 determine if they are unary or binary operators. Streamline
14544 the jumps a bit. Do not call skip_rest_of_line.
14546 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14547 static. Export get_directive_token. Update commentary.
14548 (cpp_defined): New function.
14549 (do_define): Remove reference to T_PCSTRING. Call
14550 free_definition to release memory for old definition, when
14551 redefining a macro.
14552 (eval_if_expression): Set only_seen_white to 0 before calling
14553 cpp_parse_expr. Call skip_rest_of_line after it returns.
14554 (cpp_read_check_assertion): Don't preserve a pointer into the
14555 token buffer across a call to cpp_get_token.
14557 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14558 * cppfiles.c (redundant_include_p): Use cpp_defined.
14559 * cpphash.c (free_definition): New function.
14560 (delete_macro): Use it. Update commentary.
14561 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14563 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14564 from enum node_type. Prototype cpp_defined and get_directive_token.
14565 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14567 * fix-header.c (check_macro_names): Use cpp_defined.
14568 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14569 the options structure.
14571 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14573 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14575 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14577 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14578 rather than die->die_tag.
14580 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14582 * combine.c (make_extraction, force_to_mode): Avoid warning on
14583 mixed-signedness conditionals.
14584 (make_field_assignment, nonzero_bits): Likewise.
14585 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14586 (store_split_bit_field, extract_split_bit_field): Likewise.
14587 (extract_fixed_bit_field, store_bit_field,
14588 * expr.c: Change alignment to be unsigned everywhere.
14589 (move_by_pieces, store_constructor_field, store_constructor):
14590 Alignment parm is unsigned.
14591 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14592 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14593 (do_compare_rtx_and_jump): Likewise.
14594 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14595 Compare align with GET_MODE_ALIGNMENT.
14596 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14597 (get_inner_reference): Likewise.
14598 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14599 (expand_assignment): Local vars for alignment now unsigned.
14600 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14601 (do_compare_and_jump): Likewise.
14602 (store_field): Call new function expr_align.
14603 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14604 Alignment arg now unsigned.
14605 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14606 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14607 (extract_bit_field): Likewise.
14608 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14609 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14610 (get_best_mode): Alignment arg is unsigned.
14611 * rtl.h (move_by_pieces): Likewise.
14612 * store-layout.c (maximum_field_alignment, set_alignment):
14614 (layout_decl): Alignment arg is now unsigned.
14615 Remove unneeded casts.
14616 (layout_record, layout_union, layout_type): Remove unneeded casts.
14617 Local alignment variables now unsigned.
14618 (get_best_mode): Alignment arg now unsigned.
14619 * tree.c (expr_align): New function.
14620 * tree.h (expr_align): Likewise.
14621 (maximum_field_alignment, set_alignment): Now unsigned.
14622 (get_inner_reference): Alignment argument is now pointer to unsigned.
14623 * varasm.c (assemble_variable): Add cast to eliminate warning.
14625 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14627 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14628 then store directly into op0.
14630 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14631 the CALL_INSN, and emit the note immediately after it.
14633 2000-02-10 Nick Clifton <nickc@cygnus.com>
14635 * config/arm/thumb.md (epilogue): Include a (return) in the
14636 generated insn, and emit it using emit_jump_insn not
14639 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14641 * function.c (assign_temp): Change zero-sized arrays to size 1.
14642 * integrate.c (expand_inline_function): Do not update
14643 stack_alignment_needed
14644 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14645 add some sanity checking, remove optimization for function with
14648 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14650 * flow.c (mark_regs_live_at_end): Delete unused variables.
14652 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14654 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14655 in macro FRAME_GROWS_DOWNWARD.
14657 * stmt.c (expand_end_bindings): Delete unused variable.
14659 * unroll.c (iteration_info): Mark parameter `loop' with
14662 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14664 * fixinc/server.c (load_data): Return NULL if the marker line is
14666 (run_shell): If load_data returns NULL, retry the command once, in
14669 * configure: Rebuilt.
14671 2000-02-09 Bruce Korb <bkorb@gnu.org>
14673 * gcc/fixincludes: ** DELETED **
14674 * gcc/fixcpp: ** DELETED **
14675 * gcc/fixinc-nt.sed: ** DELETED **
14676 * gcc/just-fixinc: ** DELETED **
14677 * gcc/Makefile.in: Removed out-dated commentary
14678 * gcc/configure.in: Removed fast-fixincludes disablement.
14679 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14681 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14682 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14685 2000-02-09 Richard Henderson <rth@cygnus.com>
14687 * jump.c (delete_insn): Don't delete user labels at -O0.
14689 2000-02-09 Robert Lipe <robertl@sco.com>
14691 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
14692 Don't link with HOST_LIBS.
14694 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14696 * configure.in: Correct --help text for --with-dwarf2.
14697 Put tm-dwarf2.h after other tm files, if it's requested.
14698 * configure: Regenerate.
14699 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
14702 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14704 * cpplib.h: Provide HASHNODE typedef and forward decl of
14705 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
14706 DEFINITION, struct hashnode, struct macrodef, struct
14707 definition, scan_decls prototype, default defn of
14708 INCLUDE_LEN_FUDGE moved elsewhere.
14710 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
14711 definition, and struct hashnode moved here. Remove the unused
14712 'predefined' field from struct definition. Replace the 'args'
14713 union with its sole member. All users updated (cpphash.c).
14714 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
14715 multiple include guard.
14717 * cpphash.c (hashf): Make static; use better algorithm; drop
14718 HASHSIZE parameter; return an unsigned int.
14719 (cpp_lookup): Drop HASH parameter. PFILE parameter is
14720 used. Calculate HASHSIZE modulus here.
14721 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
14723 (create_definition): Drop PREDEFINITION parameter.
14724 * cpplib.c (do_define): Don't calculate a hash value here.
14725 Don't pass (keyword == NULL) to create_definition.
14727 * scan.h: Prototype scan_decls here.
14728 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
14729 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
14730 callers of cpp_lookup and cpp_install updated.
14732 * cpphash.c (macarg): Hoist all the flag diddling out of the
14734 (macroexpand): ... and out of the loop that calls macarg.
14735 Skip over the initial paren before macro arguments with
14736 cpp_get_non_space_token; point may be some distance before
14737 that paren. Abort if it's not there.
14739 * cpplib.c (parse_clear_mark): Delete function.
14740 (parse_set_mark, parse_goto_mark): Make static.
14741 (ACTIVE_MARK_P): New macro.
14742 (skip_block_comment, skip_line_comment): Do not bump the line
14743 if ACTIVE_MARK_P is true.
14744 (cpp_pop_buffer): The buffer to be popped may not have an
14746 (cpp_get_token): When looking for the initial paren before
14747 macro arguments, only set a mark in a file buffer, Always
14748 return to that mark before proceeding to call macroexpand or
14749 return a NAME token.
14751 * cpplib.h: Remove prototypes of parse_set_mark,
14752 parse_clear_mark, parse_goto_mark.
14753 (struct cpp_options): Rename 'put_out_comments' to
14754 'discard_comments' and invert its sense.
14755 * cppinit.c, cpphash.c, cpplib.c: All users of
14756 put_out_comments changed to use discard_comments, with
14759 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14761 * function.c (thread_prologue_and_epilogue_insns): Don't delete
14762 the edge from a block that both jumps and falls through to the
14765 2000-02-09 Scott Bambrough <scottb@netwinder.org>
14767 * config/arm/arm.md (movsi): In PIC mode, make sure that a
14768 constant source address is legitimate.
14770 2000-02-09 Philip Blundell <pb@futuretv.com>
14772 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
14775 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
14777 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
14779 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14781 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
14782 ends with a newline and a NUL. Don't be so clever manipulating
14785 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
14787 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
14788 not to BIGGEST_ALIGNMENT.
14790 2000-02-08 Geoff Keating <geoffk@cygnus.com>
14792 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
14793 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
14794 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
14795 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
14796 * frame.c (execute_cfa_insn): Handle
14797 DW_CFA_GNU_negative_offset_extended.
14799 2000-02-08 Richard Henderson <rth@cygnus.com>
14801 * flow.c (tidy_fallthru_edges): Split out from ...
14802 (delete_unreachable_blocks): ... here.
14803 (find_basic_blocks): Use it.
14805 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14807 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
14809 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
14811 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
14812 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
14813 (fix-header.o): Don't depend on cpphash.h.
14815 * scan.c (hashstr): New function.
14816 * scan.h: Prototype it.
14817 * fix-header.c: Don't include cpphash.h. Use hashstr.
14818 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
14819 hashstr. Report hash table statistics. Add private
14820 definition of xrealloc.
14822 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14824 * i386.h (TARGET_SWITCHES): Fix typo in option name.
14826 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
14828 * function.c (thread_prologue_and_epilogue_insns): Don't replace
14829 jumps with returns unless they are jumps to the fallthru block.
14831 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
14833 * i386.md (addqi3_cc): Fix contraints.
14835 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14837 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
14839 2000-02-07 Mark Mitchell <mark@codesourcery.com>
14841 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
14842 carriage return after a macro name.
14844 2000-02-07 Fred Fish <fnf@be.com>
14846 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
14847 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
14849 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
14851 * cppfiles.c (deps_output): Count spacers in deps_column.
14853 2000-02-07 Neil Booth <NeilB@earthling.net>
14855 * cppinit.c (initialize_dependency_output): If there is no
14856 suffix, don't try to look for known suffixes. Use strrchr.
14857 (cpp_start_read): Remove duplicate initialization.
14859 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
14861 * calls.c (compute_argument_block_size): New argument
14862 preferred_stack_boundary.
14863 (expand_call): update cfun->preferred_stack_boundary, update call of
14864 compute_argument_block_size
14865 (emit_library_call): Increate cfun->preferred_stack_boundary
14866 to PREFERRED_STACK_BOUNDARY
14867 (emit_library_call_value): Likewise.
14868 * explow.c (allocate_dynamic_stack_spave): Likewise.
14869 * function.c (prepare_function_start): Set
14870 cfun->preferred_stack_boundary
14871 * function.h (struct function): Add preferred_stack_boundary field.
14872 * integrate.c (expand_inline_function): Update
14873 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
14874 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
14875 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
14877 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
14879 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
14880 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
14881 cpp_pedwarn, cpp_pedwarn_with_line,
14882 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
14883 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
14884 v_cpp_error_with_line, v_cpp_warning_with_line,
14885 cpp_message_from_errno, cpp_perror_with_name): Delete.
14887 * cpperror.c (cpp_print_containing_files): Take starting
14888 buffer as argument.
14889 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
14890 (v_cpp_message): Now called directly by all entry points.
14892 (cpp_pfatal_with_name, cpp_message): Delete.
14893 (cpp_notice_from_errno, cpp_ice): New functions.
14894 (cpp_notice): Is now for reporting error conditions, just
14895 without an associated file.
14896 (cpp_error, cpp_error_with_line): Don't do anything if
14897 opts->inhibit_errors is on.
14898 (cpp_pedwarn_with_file_and_line): Take column argument also.
14900 * cpplib.h: Update prototypes of exported functions.
14901 (struct cpp_options): Add inhibit_errors.
14903 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
14904 non-error messages. Include intl.h.
14906 * cppinit.c, cppmain.c: Likewise. Also, use
14907 cpp_notice_from_errno instead of cpp_perror_with_name or
14908 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
14910 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
14911 report internal errors.
14913 * cpplib.c (do_define): Switch bcopy to memcpy.
14914 Give cpp_pedwarn_with_file_and_line a dummy column argument.
14916 * cpplib.c (copy_rest_of_line): Revert previous change: don't
14917 bail out early if we hit a line comment.
14919 2000-02-06 Richard Henderson <rth@cygnus.com>
14921 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
14922 * basic-block.h: Declare them.
14923 * emit-rtl.h (active_insn_p): New.
14924 (next_active_insn, prev_active_insn): Use it.
14925 * rtl.h: Declare it.
14926 * function.c (emit_return_into_block): New.
14927 (thread_prologue_and_epilogue_insns): Insert return insns instead
14928 of epilogues when possible.
14929 * jump.c (jump_optimize_1): Remove code to insert a return insn
14930 on the fallthru to the exit block.
14932 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
14933 and for non-empty stack frames.
14934 * i386.md (return): Expand to return-pop as needed.
14936 2000-02-06 Richard Henderson <rth@cygnus.com>
14938 * simplify-rtx.c (simplify_relational_operation): Canonicalize
14939 constant to op1 for testing.
14941 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14943 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
14944 (fixuns_truncqfqi2): Use it.
14946 2000-02-06 Richard Henderson <rth@cygnus.com>
14948 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
14949 as a TYPE_LEA insn.
14951 * i386.md (widening and peepholes): Mask the constant instead of
14954 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14956 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
14957 input pointer before possibly branching off to the backslash
14959 * cpphash.c (macroexpand): Correctly delete \r escapes when
14960 stringifying parameters.
14961 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
14962 if we can; bail out early if we hit a line comment.
14963 (handle_directive): Treat '# 123' in an .S file just like
14964 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
14965 Return 1 for '# not_a_directive'.
14966 (get_directive_token): Pop macro buffers here, so that
14967 cpp_get_token can't sneakily move past a newline.
14969 (cpp_get_token): goto randomchar if handle_directive returns 0.
14971 * cppalloc.c: Update copyright.
14972 * cpplib.c: Merge all the static function prototypes into one
14974 * cpplib.h: Remove #if 0 block.
14976 * cpperror.c: Remove #ifdef EMACS block.
14977 * cppmain.c: Likewise.
14978 * cpphash.c: Remove #if 0 blocks.
14979 * cppinit.c: Remove #if 0 blocks, and the -lint option.
14980 * cpplib.c: Remove #if 0 blocks and code referencing
14981 pcp_inside_if or for_lint. Remove duplicate error message.
14982 Fix error messages for #else after #else or #elif. Reformat.
14983 Remove archaic TODO list.
14984 * cpplib.h: Remove pcp_inside_if and for_lint flags.
14986 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14988 * i386/osf1elf.h: Add missing backslash to multiline string.
14990 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14992 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
14994 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14996 * Makefile.in (c-common.o): Depend on $(EXPR_H).
14998 * c-common.c: Include expr.h.
15000 * c-pragma.c (mark_align_stack): Add prototype.
15002 * caller-save.c (add_stored_regs): Likewise.
15004 * combine.c (record_promoted_value): Likewise.
15006 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15009 * cppinit.c (new_pending_define): Likewise.
15011 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15013 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15014 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15015 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15016 class_scope_p): Likewise.
15018 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15019 dwarf2out_add_library_unit_info): Likewise.
15021 * ggc.h (ggc_page_print_statistics): Likewise.
15023 * haifa-sched.c (propagate_deps): Likewise.
15025 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15027 * rtl.h (set_stack_check_libfunc): Likewise.
15029 * toplev.h (set_fatal_function): Likewise.
15031 * toplev.c (set_fatal_function): Delete prototype.
15033 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15035 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15037 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15038 (FUNC_END): Likewise.
15040 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15042 * caller-save.c: Include tm_p.h.
15044 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15046 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15048 2000-02-04 Neil Booth <NeilB@earthling.net>
15050 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15053 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15055 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15056 * genflags.c: Use the max_operand_1 logic from genemit.c to
15057 calculate how many arguments gen_insn prototypes have. Remove
15058 NO_MD_PROTOTYPES ifdefs from the generated file.
15059 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15060 file. Cast gen_insn initializers to insn_gen_fn.
15061 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15062 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15064 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15066 * fixinc/Makefile.in (HDR): Add machname.h.
15069 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15071 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15072 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15073 (c4x_cpu_version): Ditto.
15074 * config/c4x/c4x-protos.h: ... here.
15076 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15078 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15079 gen_abstract_function on our context if we're a nested function.
15081 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15083 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15084 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15086 2000-02-04 Bruce Korb <bkorb@gnu.org>
15088 * fixinc/genfixes(machname.h):
15089 Move the functionality from gen-machine.h into this file.
15090 UNdef MN_NAME_PAT if there are no names to change.
15091 Also, be a little kinder when AutoGen is not present.
15093 * fixinc/Makefile.in(machname.h):
15094 Change the generation rule to use genfixes.
15096 * fixinc/fixfixes.c(machine_name):
15097 machine_name_fix's functionality now dependent upon whether
15098 MN_NAME_PAT is defined.
15100 * fixinc/fixtests.c(machine_name):
15103 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15106 * fixinc/fixlib.h(mn_get_regexps):
15109 * fixinc/gen-machine.h: DELETED
15111 2000-02-04 Jan Hubicka <jh@suse.cz>
15112 Richard Henderson <rth@cygnus.com>
15114 * i386.c (SAVE_REGS_FIRST): Remove.
15115 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15116 (ix86_compute_frame_size): Likewise.
15117 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15118 (ix86_emit_restore_regs): Remove.
15119 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15120 when a frame pointer is in use.
15121 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15122 instead of pop to restore a register when profitable; emit leave
15124 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15125 as a TYPE_LEA insn.
15126 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15127 * i386.md (prologue_allocate_stack): Remove.
15128 (epilogue_deallocate_stack): Remove.
15129 (pro_epilogue_adjust_stack): New.
15131 2000-02-04 Richard Henderson <rth@cygnus.com>
15133 * function.c (diddle_return_value): Rework to use a callback function.
15134 Use current_function_return_rtx if it's been set up.
15135 (do_clobber_return_reg, clobber_return_register): New.
15136 (do_use_return_reg, use_return_register): New.
15137 (expand_function_end): Use them.
15138 * stmt.c (expand_null_return): Likewise.
15139 * function.h: Declare them.
15140 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15141 (mark_reg): Change arguments as appropriate for callback.
15142 * integrate.c (expand_inline_function): Revert 19 Jan change.
15144 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15146 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15147 (Misc): Say the scheduler, not the Haifa scheduler.
15149 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15151 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15152 when in_mem is set. Update all callers.
15154 2000-02-04 Richard Henderson <rth@cygnus.com>
15156 * i386/openbsd.h (INT_ASM_OP): Define.
15158 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15160 * tm.texi: Fix various typos.
15162 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15164 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15165 (MD_STARTFILE_PREFIX_1): New macro.
15167 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15169 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15170 destination when needed.
15171 (strmovsi, strsetsi): New expander.
15172 (strmovsi_1, strsetsi_1): New pattern.
15173 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15174 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15175 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15176 * invoke.texi (align-stringops, inline-all-stringops): Document.
15178 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15180 * i386/netbsd.h (INT_ASM_OP): Define.
15182 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15184 * cpplib.h (cpp_reader): Add new flag, no_directives.
15185 * cpphash.c (macarg): Set it.
15186 * cpplib.c (handle_directive): If no_directives is on and we
15187 find a directive, issue an error and discard the line.
15189 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15191 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15192 FP constants. Add ! TARGET_FPU check for FP constants.
15194 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15196 * flow.c (find_basic_blocks): Don't kill label_value_list
15198 (cleanup_cfg): Kill it here.
15200 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15202 * expr.c (store_field): Ensure ALIGN is no stricter than the
15205 2000-02-02 Richard Henderson <rth@cygnus.com>
15207 * jump.c (delete_insn): Partially revert 19 Jan change;
15208 don't convert unused code labels to notes at -O0.
15210 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15212 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15213 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15215 2000-02-01 Richard Henderson <rth@cygnus.com>
15217 * i386.c (general_no_elim_operand): New.
15218 (nonmemory_no_elim_operand): New.
15219 (ix86_expand_move): Copy eliminable operands before a push.
15220 * i386-protos.h: Declare new functions.
15221 * i386.h (CAN_ELIMINATE): Simplify.
15222 (PREDICATE_CODES): Update.
15223 * i386.md (push insns): Don't allow eliminable register operands.
15225 2000-02-01 Richard Henderson <rth@cygnus.com>
15227 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15228 replace BLKmode with DECL_RTL's mode.
15230 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15232 * frame.c (find_fde): Convert for loop to do-while so compiler
15233 sees it's always executed at least once.
15234 * libgcc2.c (BBINBUFSIZE): Kill.
15235 (__bb_init_prg): Use fgets.
15236 (__bb_exit_trace_func): Don't paste strings.
15237 * unroll.c (unroll_loop): Initialize unroll_type, not
15238 unroll_number, and tweak logic to match.
15240 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15242 (ix86_flags_dependant): Likewise. Disentangle control flow.
15243 (ix86_sched_reorder): Break guts out to
15244 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15245 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15248 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15249 use string concatenation. Don't save and restore esi.
15251 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15252 (machname.h): Remove script to separate file. Use two-step
15253 sequence so target is not created if script fails.
15254 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15255 identifiers are defined.
15256 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15257 an empty string, machine_name doesn't need to do anything at
15259 (is_cxx_header): Add more cases to regexp.
15260 * fixinc/fixlib.h: Update prototype.
15261 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15263 * fixinc/fixincl.c: Define NO_BOGOSITY.
15265 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15266 (hp_sysfile): Add missing comma.
15267 (math_exception): Put the wrapper ifdefs at the beginning and
15268 the end of the file.
15269 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15271 2000-02-01 Richard Henderson <rth@cygnus.com>
15273 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15274 Use CONST0_RTX. Update all callers.
15275 * sparc.h, sparc-protos.h: Update accordingly.
15276 * sparc.md (fp mov insns): Use fp_zero_operand directly
15279 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15281 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15284 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15286 * Makefile.in (specs.ready): New target.
15287 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15289 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15291 * fixinc.irix: Use unique filenames for writing into /tmp,
15292 * fixinc.ptx: Likewise.
15293 * fixinc.sco: Likewise.
15294 * fixinc.svr4: Likewise.
15295 * fixinc.winnt: Likewise.
15297 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15299 * tsystem.h: New file.
15301 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15302 s-crtS): Depend on tsystem.h.
15304 * crtstuff.c: Include tsystem.h.
15305 * frame.c: Likewise.
15306 * libgcc2.c: Likewise.
15308 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15310 * builtins.c (expand_builtin_memset): Expand for variable sized
15313 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15315 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15318 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15320 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15322 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15324 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15326 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15327 case 3->2 combining (combining with splitting) in which 2 is CC0
15328 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15329 checked at the begining of the function with the aid of calling
15330 function 'can_combine_p'.
15332 2000-01-31 Dave Brolley <brolley@redhat.com>
15334 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15336 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15338 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15341 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15343 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15345 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15348 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15350 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15351 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15352 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15353 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15354 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15355 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15356 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15357 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15358 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15359 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15361 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15362 Add %(cpp_cpu) to CPP_SPEC.
15364 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15365 Add %(cc1_cpu) to CC1_SPEC.
15367 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15369 * c-decl.c (c_decode_option): Accept optional numeric argument to
15370 -Wformat and set warn_format.
15371 * c-common.c: Don't emit warning about non-constant printf format
15372 string unless warn_format > 1.
15374 2000-01-30 Richard Henderson <rth@cygnus.com>
15376 * alpha.md (return_internal): Allow after reload only.
15378 2000-01-30 Richard Henderson <rth@cygnus.com>
15380 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15381 local frame size is zero.
15383 2000-01-30 Richard Henderson <rth@cygnus.com>
15385 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15386 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15387 * alpha.md (return): Turn into an expander.
15388 (return_internal): Don't use $26.
15389 (epilogue): Emit the return insn.
15391 2000-01-30 Richard Henderson <rth@cygnus.com>
15393 * alpha.md (negtf2, abstf2): Fix word order thinko.
15394 (extendsftf2): New.
15395 (trunctfsf2): Avoid intermediate rounding errors.
15397 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15399 * cppfiles.c (find_position): Drop 'colp' argument, return the
15401 (read_and_prescan): Adjust to match. Don't ever manipulate
15402 line or line_base except via find_position.
15404 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15406 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15407 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15410 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15412 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15413 just print "<command line>". If 'filename' is null or an
15414 empty string, print "<stdin>" for the filename.
15415 * cpplib.c (do_define): Don't print the 'location of the
15416 previous definition' message if we're still parsing the
15418 (cpp_pedwarn_with_file_and_line): Always call
15419 cpp_file_line_for_message.
15421 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15423 * flow.c (mark_regs_live_at_end): Fix typo.
15425 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15427 * c-common.c: Adjust variable names, comments, help strings to c99.
15428 * c-lex.c: Likewise.
15429 * c-parse.y: Likewise.
15430 * c-tree.h: Likewise.
15431 * cccp.c: Likewise.
15432 * cpplib.h: Likewise.
15433 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15434 * cppinit.c: Likewise.
15436 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15438 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15439 * c4x.c: Define the optab rtx values.
15440 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15441 (c4x_emit_libcall): Use new optab rtx values.
15442 (c4x_emit_libcall3): Likewise.
15443 (c4x_emit_libcall_mulhi): Likewise.
15444 * c4x-protos.h: Add prototypes for optab rtx values and change
15445 prototypes for above c4x_emit_libcall functions.
15447 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15449 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15451 (c4x_function_prologue): Use regnames intead of float_reg_names when
15453 (c4x_function_epilogue): Likewise.
15454 (c4x_print_operand): Likewise.
15455 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15456 * c4x.md (set_high): Disable for TARGET_TI.
15458 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15460 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15461 of framepointer + constant to ADDR_REGS class.
15462 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15463 * c4x.c (std_or_reg_operand): New function.
15464 * c4x-protos.h (std_or_reg_operand): Prototype it.
15466 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15468 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15469 object names as libgcc2.c.
15470 * libgcc.S: Use newly defined names.
15472 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15473 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15475 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15476 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15477 (FLOW_LOOP_LAST_BLOCK): Likewise.
15479 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15481 * basic-block.h (struct loop): New fields 'first' and 'last'.
15482 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15483 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15484 and loop->last to check for NOTE_INSN_LOOP_END.
15486 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15488 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15489 of the loop descriptor rather than HEADER and LATCH. Also added
15490 missing break statements as well making some coding style modifications
15491 as suggested by Michael Hayes.
15493 2000-01-28 Richard Henderson <rth@cygnus.com>
15495 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15496 Break out that code ...
15497 (cleanup_cfg): ... here.
15498 (commit_one_edge_insertion): Detect a return instruction being
15499 emitted to an edge. Emit a barrier following; clear fallthru.
15500 (commit_edge_insertions): Verify CFG consistency.
15501 * function.c (expand_function_start): Kill unused variable.
15502 (expand_function_end): Likewise.
15503 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15504 to insert the epilogue.
15506 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15507 (delete_null_pointer_checks): Likewise.
15508 * output.h: Likewise.
15509 * reg-stack.c (reg_to_stack): Likewise.
15510 * toplev.c (rest_of_compilation): Likewise. Run
15511 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15513 2000-01-28 Richard Henderson <rth@cygnus.com>
15515 * Makefile.in (flow.o): Revert 24 Jan change.
15516 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15517 FUNCTION_VALUE result to DECL_RESULT's mode.
15519 * haifa-sched.c (schedule_insns): Don't recompute reg info
15522 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15524 * configure.in: Make --enable-cpplib the default.
15525 * configure: Regenerate.
15526 * gcc.dg/990119-1.c: No longer expected to fail.
15528 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15530 * jump.c (jump_optimize_1): Delete an optimization that is also done
15531 by merge_blocks in flow.
15533 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15535 * diagnostic.c (build_message_string, output_printf,
15536 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15537 (build_location_prefix): Fix non-literal format string.
15539 2000-01-27 Richard Henderson <rth@cygnus.com>
15541 * alpha.md (trunctfsf2): New.
15543 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15545 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15547 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15549 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15551 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15553 (skip_comment) ... here. Permit C++ comments in system
15554 headers always. Warn about C++ comments in user code under
15555 -std=gnu89 -pedantic.
15556 (copy_comment): Use skip_comment.
15557 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15559 (consider_directive_while_skipping, do_else, do_endif): Call
15560 validate_else unconditionally.
15561 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15562 text after the conditional in a system header.
15563 * cpplib.h (struct cpp_buffer): Add flag
15564 warned_cplusplus_comments.
15566 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15568 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15569 Use unshare_all_rtl_1.
15570 (unshare_all_rtl_again): New function.
15571 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15573 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15574 rather than resetting the 'used' flags ourself.
15576 * toplev.c (rest_of_compilation): Add current_function_decl
15577 to the unshare_all_rtl call.
15578 * tree.h: Prototype unshare_all_rtl.
15579 * rtl.h: Prototype unshare_all_rtl_again here.
15581 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15583 * genoutput.c (output_prologue): Include ggc.h in generated
15585 * Makefile.in (insn-output.o): Depends on ggc.h.
15587 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15588 Hans-Peter Nilsson <hp@bitrange.com>
15590 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15591 Remove redundant include of xm-ns32k.h.
15592 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15593 Remove redundant include of xm-ns32k.h.
15594 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15595 Remove redundant include of xm-ns32k.h.
15596 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15598 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15599 (TARGET_SWITCHES): Add documentation strings.
15600 (DWARF_FRAME_REGNUM): Override default definition.
15601 (REG_CLASS_CONTENTS): Add comments.
15602 (SUBSET_P): Format to reduce line length.
15603 (SMALL_REGISTER_CLASSES): Make a run time option.
15604 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15605 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15606 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15607 (regclass_map): fix typo in comment.
15608 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15609 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15610 (trace, reg_or_mem_operand): Delete, unused function.
15611 (calc_address_cost): Small offsets are cheaper than large ones.
15612 (expand_block_move): Generate more efficient code when bytes is a
15613 known at compile time.
15614 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15615 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15616 instead of reg_or_mem_operand.
15618 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15619 not general_operand. Similarly use "=rm" or stricter, not "=g".
15620 For input operands, use stricter constraints than "g" if not
15621 general_operand. Similarly use stricter predicate than
15622 "general_operand" when stricter constraints than "g" are present,
15623 except for matching constraints.
15624 (movstrsi): Use "memory_operand" for operands 0 and 1.
15625 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15626 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15627 not reg_or_mem_operand.
15628 (udivmoddisi4): Ditto.
15629 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15630 Use nonimmediate_operand for operand 3, not register_operand.
15631 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15632 reg_or_mem_operand.
15634 2000-01-27 Fred Fish <fnf@be.com>
15636 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15637 * gthr-single.h: Likewise.
15638 * gthr-solaris.h: Likewise.
15639 * gthr-vxworks.h: Likewise.
15640 * gthr-win32.h: Likewise.
15641 * gthr.h: Likewise.
15643 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15645 * cppinit.c: Add " (cpplib)" to end of string printed by
15648 2000-01-27 Richard Henderson <rth@cygnus.com>
15650 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15651 testing for a signed comparison.
15652 (alpha_emit_floatuns): New.
15653 * alpha-protos.h: Declare it.
15654 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15655 (extendsfdf2): Tidy.
15657 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15659 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15660 no -g option specifying debugging format, default to -gstabs+.
15662 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15664 * calls.c (special_function_p): New argument fork_or_exec.
15665 (expand_call): When profile_arc_flag is set and the function
15666 is in the fork_or_exec group, call __bb_fork_func first.
15667 * libgcc2.c, _bb module (__bb_fork_func): New function.
15668 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15670 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15671 * tree.h (special_function_p): Update prototype.
15673 2000-01-26 Richard Henderson <rth@cygnus.com>
15675 * alpha.c (alpha_split_tfmode_pair): New.
15676 * alpha-protos.h: Declare it.
15677 * alpha.md (abstf2, negtf2): New.
15678 (movtf insn): Add input G constraint.
15679 (movtf splitter): Use alpha_split_tfmode_pair.
15681 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15683 * i386/cygwin.h: PROTO -> PARAMS.
15685 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15687 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15688 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15689 using _Qp_cmp/_Q_cmp and testing the return value.
15690 (print_operand): Call reverse_condition_maybe_unordered if
15691 we are handling CCFPmode or CCFPEmode.
15692 Handle ORDERED, UN* and LTGT comparisons.
15693 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
15694 if not TARGET_HARD_QUAD.
15695 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
15696 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
15697 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
15698 Adjust gen_b* calls so that they reflect return comparison of
15699 sparc_emit_float_lib_cmp.
15701 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15703 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
15704 incoming operands array is large enough for one more operand.
15705 (alpha_emit_xfloating_arith): Likewise.
15707 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15709 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
15710 file with one line and no trailing newline.
15711 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
15712 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
15713 checking if the match is on the line.
15714 * fixinc/gnu-regex.c: Provide regerror not __regerror.
15716 2000-01-25 Richard Henderson <rth@cygnus.com>
15718 * sparc.c (output_cbranch): Fix accidental squashing of the
15719 fp branch pre-delay nop.
15721 2000-01-25 Richard Henderson <rth@cygnus.com>
15723 * tree.def (UNNE_EXPR): Remove.
15724 * c-typeck.c (build_binary_op): Don't handle it.
15725 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
15727 * rtl.def (UNNE): Remove.
15729 * jump.c (reverse_condition): Update accordingly.
15730 (swap_condition): Likewise.
15731 (comparison_dominates_p): Handle unordered comparisons.
15732 (reverse_condition_maybe_unordered): New.
15733 * rtl.h (reverse_condition_maybe_unordered): Declare.
15735 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
15736 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
15737 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
15738 * sparc.md (bltgt): New.
15740 2000-01-25 Nick Clifton <nickc@redhat.com>
15742 * emit-rtl.c (emit_insn): Only check machine class insns for
15743 improper emission of a RETURN.
15745 2000-01-25 Richard Henderson <rth@cygnus.com>
15747 * Makefile.in (flow.o): Depend on $(EXPR_H).
15748 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
15749 duplicate the structure of diddle_return_value for keeping regs live.
15751 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15753 * loop.c (current_loop_info): Delete.
15754 (consec_sets_invariant_p): Add loop argument, update callers.
15755 (get_condition_for_loop): Likewise.
15756 (count_nonfixed_reads, update_giv_derive): Likewise.
15757 (simplify_giv_expr, general_induction_var): Likewise.
15758 (consec_sets_giv, recombine_givs): Likewise.
15759 (move_movables): Delete loop_start and loop_end arguments,
15760 add loop argument, and update callers.
15761 (find_mem_givs, check_final_value): Likewise.
15762 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
15763 (loop_invariant_p): Rename from invariant_p, add loop argument, and
15765 (basic_induction_var): Add loop argument, delete loop_level argument,
15766 and update callers.
15767 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
15768 add loop argument, and update callers.
15769 (find_splittable_regs, find_splittable_givs): Likewise.
15770 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
15771 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
15772 (biv_total_increment): Delete loop_start and loop_end arguments;
15774 (precondition_loop_p): Delete loop_start and loop_info arguments;
15776 * loop.h (get_condition_for_loop): Add loop argument.
15777 (biv_total_increment): Delete loop_start and loop_end arguments.
15778 (precondition_loop_p): Delete loop_start and loop_info arguments;
15780 (final_biv_value): Delete loop_start and loop_end arguments;
15782 (final_giv_value, back_branch_in_range_p): Likewise.
15784 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15786 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
15788 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15790 * Makefile.in (c-gperf.h) : Change the "See" pointer to
15791 point to the new "generated_files" doc.
15793 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15795 * config/fp-bit.c (_unord_f2): Fix typo.
15797 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15799 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
15800 c-typeck.c, objc/objc-act.c: Remove all references to obstack
15801 functions obsoleted by GC, such as push_obstacks_nochange,
15802 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
15803 and code which existed only to decide whether or not to call
15804 them. Remove now-unused NESTED argument from start_function;
15805 all callers changed. Do not change behavior based on ggc_p.
15806 The use of the ixp_obstack in c-iterate.c and the util_obstack
15807 in objc/objc-act.c remain; these are not obsoleted by garbage
15809 * c-tree.h: Update prototype for start_function.
15811 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
15813 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15815 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
15818 2000-01-25 Richard Henderson <rth@cygnus.com>
15820 * sparc-protos.h (select_cc_mode): Declare.
15821 * sparc.c (select_cc_mode): New. Handle unordered compares.
15822 (output_cbranch): Always reverse via code change. Handle
15823 unordered compares. Factor tests and string updates.
15824 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
15825 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
15826 * sparc.md (bunordered, bordered): New.
15827 (bungt, bunlt, buneq, bunge, bunle): New.
15829 2000-01-25 Richard Henderson <rth@cygnus.com>
15831 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
15832 * ggc-common.c (ggc_add_rtx_varray_root): New.
15833 (ggc_mark_rtx_varray): New.
15834 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
15835 functions down below ggc_mark_foo.
15836 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
15838 2000-01-25 Richard Henderson <rth@cygnus.com>
15840 * alpha.c (secondary_reload_class): Don't allocate a secondary
15841 for integral mode memories into FLOAT_REGS. Rearrange the more
15842 complicated memory expression inward.
15844 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15846 * inclhack.def: Fixes to play nicer with FreeBSD, and
15847 corrections to comments.
15848 (cxx_unready): Add select expression.
15849 (irix_sockaddr): Add bypass expression.
15850 (machine_ansi_h_va_list): New fix.
15851 (stdio_va_list): No need to edit _BSD_VA_LIST_.
15852 Split out addition of "#include <stdarg.h>" to...
15853 (stdio_stdarg_h): ... here.
15854 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
15855 to stdlib.h also. Do not munge _BSD_SIZE_T_.
15856 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
15858 (ultrix_ifdef): Tighten up select expression.
15860 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
15861 re_ct and max_mach to avoid use of shell. Make printed names
15862 match names in inclhack.def. Use static copyright date.
15863 Don't count c_test and test expressions as requiring regex_t
15864 slots. Add some commentary.
15865 * inclhack.tpl: Do not include the 'This script contains N
15866 fixup scripts' line if PROGRAM is defined. Use static
15869 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
15871 * dwarf2out.c: include "varray.h", not dyn-string.h.
15872 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
15873 (addr_const_to_string, addr_to_string): Lose.
15874 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
15875 (struct dw_val_struct): val_addr is now an rtx.
15876 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
15877 (used_rtx_varray): New varray.
15878 (dwarf2out_init): Initialize it.
15879 (save_rtx): New fn.
15880 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
15882 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
15883 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
15884 * Makefile.in (dwarf2out.o): Update dependencies.
15886 2000-01-24 Richard Henderson <rth@cygnus.com>
15888 * i386.c (i386_dwarf_output_addr_const): New.
15889 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
15891 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
15893 * dwarfout.c (output_mem_loc_descriptor): Likewise.
15894 * i386.c (i386_simplify_dwarf_addr): New.
15895 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
15897 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
15899 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
15900 TYPE_STUB_DECL is NULL.
15902 2000-01-24 Richard Henderson <rth@cygnus.com>
15904 * builtins.c (expand_tree_builtin): Move ...
15905 * c-common.c (expand_tree_builtin): ... here.
15907 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15909 * loop.h (LOOP_INFO): New accessor macro.
15910 * basic-block.h (struct loop): Rename field `info' to `aux'.
15911 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
15912 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
15913 * unroll.c (loop_iterations, unroll_loop): Likewise.
15915 2000-01-24 Christopher Faylor <cgf@cygnus.com>
15917 * config/i386/t-cygwin: Accomodate new winsup directory layout
15918 when searching for include files.
15920 2000-01-24 Richard Henderson <rth@cygnus.com>
15922 * rtl.def: Add unordered fp comparisions.
15923 * tree.def: Likewise.
15924 * tree.h: Add ISO C 9x unordered fp comparision builtins.
15926 * builtins.c (expand_tree_builtin): New function.
15927 * c-typeck.c (build_function_call): Use it.
15928 (build_binary_op): Support unordered compares.
15929 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
15931 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
15932 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
15933 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
15934 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
15935 * jump.c (reverse_condition): Don't abort for UNLE etc, but
15937 (swap_condition): Handle unordered compares.
15938 (thread_jumps): Check can_reverse before reversing.
15939 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
15942 * optabs.c (can_compare_p): New argument CODE. Verify branch or
15943 setcc is present before acking for cmp_optab. Update all callers.
15944 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
15945 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
15946 * expr.c (expand_expr): Likewise. Support unordered compares.
15947 (do_jump, do_store_flag): Likewise.
15948 * expr.h (enum libfunc_index): Add unordered compares.
15950 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
15951 (DPBIT_FUNCS): Add _unord_df.
15952 * config/fp-bit.c (_unord_f2): New.
15953 * fp-test.c (main): Try unordered compare builtins.
15955 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
15956 * alpha.c (alpha_comparison_operator): Check mode properly.
15957 (alpha_swapped_comparison_operator): Likewise.
15958 (signed_comparison_operator): Likewise.
15959 (alpha_fp_comparison_operator): New.
15960 (alpha_emit_conditional_branch): Handle unordered compares.
15961 * alpha.h (PREDICATE_CODES): Update.
15962 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
15963 (bunordered, bordered): New.
15965 2000-01-24 Richard Henderson <rth@cygnus.com>
15967 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
15968 * alpha.md (movtf): New expander, insn, and splitter.
15970 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
15972 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15975 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
15977 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
15978 (FIXED_REGISTERS, CALL_USED_REGISTERS,
15979 REG_ALLOC_ORDER): Add frame pointer
15980 (FRAME_POINTER_REGNUM): Set to 20
15981 (HARD_FRAME_POINTER_REGNUM): New macro.
15982 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
15983 to HARD_FRAME_POINTER.
15984 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
15985 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
15986 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
15987 (HI_REGISTER_NAMES): Add "frame".
15988 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
15989 (debug_reg): Handle FRAME_POINTER_REGNUM.
15990 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
15991 GENERAL_REGS and INDEX_REGS.
15992 * i386.c (SAVED_REGS_FIRST): new macro.
15993 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
15994 (ix86_decompose_address, memory_address_length): Likewise.
15995 (regclass_map): Add frame pointer.
15996 (call_insn_operand): Handle frame_pointer_rtx.
15997 (reg_no_sp_operand): Likewise.
15998 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
15999 (print_operand, legitimize_pic_address): Fix formating.
16000 (ix86_compute_frame_size): Make static, update prototype, new
16001 parameters padding1, padding2, use ix86_nsaved_regs, use
16002 stack_alignment_needed.
16003 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16004 to HARD_FRAME_POINTER_REGNUM conversions.
16005 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16006 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16007 (print_reg): Abort on FRAME_POINTER_REGNUM
16009 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16011 * i386.h (PREDICATE_CODES): Add aligned_operand.
16012 * i386.c (aligned_operand): New function.
16013 (ix86_aligned_p): Kill.
16014 * i386.md (movhi_1): Emit mov for aligned operands.
16015 (promoting peep2s): Use aligned_operand.
16017 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16019 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16020 expression to allow underscores in macro names.
16021 (fix_char_macro_defines): Increment scanning pointer.
16023 2000-01-23 Richard Henderson <rth@cygnus.com>
16025 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16026 * alpha/osf5.h: New file.
16027 * configure.in (alpha-*-osf5): Add it to tm_file.
16029 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16031 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16032 (alpha_emit_xfloating_cvt, function_arg): Declare.
16033 * alpha.c (alpha_emit_conditional_branch): Call
16034 alpha_emit_xfloating_compare for TFmode compares.
16035 (alpha_lookup_xfloating_lib_func): New.
16036 (alpha_compute_xfloating_mode_arg): New.
16037 (alpha_emit_xfloating_libcall): New.
16038 (alpha_emit_xfloating_arith): New.
16039 (alpha_emit_xfloating_compare): New.
16040 (alpha_emit_xfloating_cvt): New.
16041 (print_operand): Add default abort case.
16042 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16043 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16044 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16045 (RETURN_IN_MEMORY): True for TF/TCmode.
16046 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16047 (FUNCTION_ARG): Move to function_arg.
16048 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16049 (ASM_OUTPUT_LONG_DOUBLE): New.
16050 (ASM_OUTPUT_DOUBLE): Always output bits.
16051 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16052 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16053 (extenddftf2, trunctfdf2): New.
16055 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16057 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16058 * config/sparc/sol2.h: ... here.
16060 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16062 * basic-block.h (struct loops): New field `levels'.
16063 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16064 (flow_loop_level_compute): Initialise level to 1.
16065 (flow_loops_find): Set loops->levels.
16066 (flow_loops_dump): Print loops->levels.
16068 2000-01-23 Richard Henderson <rth@cygnus.com>
16070 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16071 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16073 2000-01-23 Richard Henderson <rth@cygnus.com>
16075 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16076 * i386.h (DBX_REGISTER_NUMBER): Use them.
16077 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16078 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16079 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16080 * i386/sequent.h: Kill incorrect comment.
16082 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16084 * ggc-page.c (struct page_entry): Make `context_depth' an
16086 (struct globals): Likewise.
16088 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16090 * loop.c (check_dbra_loop): When checking a loop for
16091 reversability, check the source of any stores to ensure
16092 they don't depend on an initial value.
16094 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16096 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16098 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16100 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16101 'pz_scan' into scope of entire function. Only affects
16102 compiles with -DDEBUG.
16104 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16106 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16107 section naming to that prior to 2000-01-07 patch.
16108 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16109 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16110 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16111 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16112 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16114 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16116 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16119 2000-01-21 Jim Wilson <wilson@cygnus.com>
16121 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16122 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16124 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16126 * cpphash.c (change_newlines): Delete function.
16127 (struct argdata): Delete 'newlines' and 'use_count' fields.
16128 (macroexpand): Remove code referencing those fields.
16130 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16132 * loop.c (loops_info): New variable.
16133 (loop_optimize): Allocate loops->array and free it on exit.
16134 Allocate memory for loops_info and assign to each loop,
16136 (find_and_verify_loops): Do not allocate loops->array.
16138 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16140 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16142 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16144 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16145 pseudos if expanded after first flow.
16146 (movdi_pic_label_ref): Likewise.
16148 2000-01-20 Richard Henderson <rth@cygnus.com>
16150 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16152 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16154 * Makefile.in (fixinc.sh): Depend on specs.
16155 * fixinc/Makefile.in: Add rule to create machname.h.
16156 (fixlib.o): Depend on machname.h.
16157 * fixinc/fixtests.c (machine_name): New test.
16158 * fixinc/fixfixes.c (machine_name): New fix.
16159 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16160 the machine_name test and fix.
16161 * fixinc/fixlib.h: Prototype it.
16162 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16163 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16165 * gcc.c (do_spec_1) [case P]: Take care not to create
16166 identifiers with three leading or trailing underscores.
16168 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16169 (fixincl): Don't specify libraries twice on link line.
16170 (gnu-regex.o): Remove special rule.
16171 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16172 defined by config.h. Do not define _REGEX_RE_COMP.
16173 (regcomp): Allocate and initialize a fastmap.
16174 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16176 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16178 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16180 2000-01-19 Richard Henderson <rth@cygnus.com>
16182 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16183 arguments with BB. Update all callers. Tidy line wrapping.
16185 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16187 * emit-rtl.c (try_split): Return last_insn if we split the
16190 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16192 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16193 (ix86_initial_elimination_offset): Declare.
16194 * i386.c (ix86_nsaved_regs): Break out from ...
16195 (ix86_can_use_return_insn_p): ... here.
16196 (ix86_emit_save_regs): Break out from ...
16197 (ix86_expand_prologue): ... here.
16198 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16200 (ix86_expand_epilogue): ... here.
16201 (ix86_compute_frame_size): Make static, add prototype.
16202 (ix86_initial_elimination_offset): Break out from ...
16203 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16205 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16207 * recog.h (OUT_FCN): Delete.
16209 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16211 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16213 * cppalloc.c: PROTO -> PARAMS.
16214 * cpperror.c: Likewise.
16215 * cppfiles.c: Likewise.
16216 * cpplib.c: Likewise.
16217 * cpplib.h: Likewise.
16219 * config/arm/arm-protos.h: PROTO -> PARAMS.
16220 * config/arm/arm.c: Likewise.
16221 * config/c4x/c4x.c: Likewise.
16222 * config/fr30/fr30-protos.h: Likewise.
16223 * config/nextstep.c: Likewise.
16224 * config/pa/pa.c: Likewise.
16225 * config/pj/pj.c: Likewise.
16226 * config/rs6000/rs6000.c: Likewise.
16227 * config/v850/v850-protos.h: Likewise.
16228 * config/v850/v850.c: Likewise.
16230 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16232 * i370-protos.h: New file.
16234 * i370.c: Include tm_p.h. Fix compile time warnings.
16236 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16239 * i370.md: Likewise.
16241 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16243 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16244 (target_isinf, target_isnan, eisnan): Mark parameter with
16246 (eiisinf): Wrap in INFINITY.
16247 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16248 (ibmtoe): Remove unused variable `rndsav'.
16250 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16252 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16253 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16255 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16257 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16258 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16259 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16261 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16262 Recognize Emacs mode markers also.
16263 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16264 C++ comments in C++ headers. Call is_cxx_header only if
16267 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16268 bypass for ncurses.
16269 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16270 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16271 ... these, which use the new C fixes.
16272 (math_exception): Escape literal '+' in bypass expression.
16274 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16277 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16279 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16282 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16284 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16285 prior to calling scan_loop.
16287 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16289 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16290 (split_branches, calc_live_regs): Likewise.
16292 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16294 * sh.md (fpu_single, fp_mode): New attributes.
16296 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16298 * loop.c (current_loop_info): Renamed from loop_info_data
16299 and changed to a pointer.
16300 (loop_optimize): Allocate loop_info structure for each loop
16301 and initialise to zero.
16302 (scan_loop): Set current_loop_info.
16304 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16307 2000-01-19 Richard Henderson <rth@cygnus.com>
16309 * stupid.c: Die die die.
16310 * Makefile.in (OBJS): Remove stupid.o.
16311 (stupid.o): Likewise.
16313 * except.c (emit_eh_context): Don't emit USEs for stupid.
16314 * explow.c (probe_stack_range): Likewise.
16315 * flags.h (obey_regdecls): Remove.
16316 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16317 when not optimizing.
16318 (life_analysis): Limit data collection when not optimizing.
16319 (mark_regs_live_at_end): Always mark the return value registers.
16320 (mark_used_regs): Remove dummy RETURN case.
16321 (print_rtl_with_bb): Don't consult obey_regdecls.
16322 * function.c (use_variable, use_variable_after): Remove.
16323 (assign_parms): Consult optimize not obey_regdecls.
16324 (expand_function_start): Don't emit USEs for stupid.
16325 (expand_function_end): Likewise.
16326 * global.c (build_insn_chain): Export.
16327 * integrate.c (expand_inline_function): Kill return-value USE
16329 * jump.c (jump_optimize_1): Do simple jump optimizations and
16330 dead code elimination.
16331 (calculate_can_reach_end): Remove check_deleted argument.
16332 (delete_insn): Patch out insns even when not optimizing.
16333 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16334 * rtl.h (use_variable, use_variable_after): Remove declarations.
16335 (build_insn_chain): Declare.
16336 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16337 (expand_end_bindings): Likewise.
16338 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16339 * toplev.c (obey_regdecls): Remove.
16340 (rest_of_compilation): Don't set it. Kill stupid in favour of
16341 flow1, local-alloc, and reload.
16342 (main): Don't set obey_regdecls.
16344 * config/nextstep.c (handle_pragma): Likewise.
16346 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16348 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16350 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16352 * alpha-protos.h: PROTO -> PARAMS.
16353 * alpha.c: Likewise.
16355 * h8300.c: Likewise.
16356 * i386-protos.h: Likewise.
16357 * i386.c: Likewise.
16358 * m32r-protos.h: Likewise.
16359 * m32r.c: Likewise.
16360 * mips.c: Likewise.
16361 * mips.md: Likewise.
16362 * gmon-sol2.c: Likewise.
16363 * sparc.c: Likewise.
16365 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16367 * ns32k-protos.h: New file.
16369 * ns32k.c: Fix compile time warnings.
16371 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16374 * ns32k.md: Likewise.
16376 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16378 * vax-protos.h: New file.
16380 * vax.c: Fix compile time warnings.
16382 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16385 * vax.md: Likewise.
16387 * vaxv.md: Likewise.
16389 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16391 * romp-protos.h: New file.
16393 * romp.c: Fix compile time warnings.
16395 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16398 * romp.md: Likewise.
16400 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16402 * we32k-protos.h: New file.
16404 * we32k.c: Fix compile time warnings.
16406 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16409 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16411 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16413 * except.c (eh_regs): Likewise.
16415 * final.c (output_operand): Likewise.
16417 * fold-const.c (target_isinf, target_isnan): Likewise.
16419 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16421 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16422 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16424 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16425 when optimize_size.
16426 (clrstrsi): Rewrite.
16427 (strsethi, strsetqi): New expanders.
16428 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16429 (cmpstrsi): Emit compare insn before cmpstrsi_1
16430 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16431 (strlensi_1): Likewise.
16432 (cmpstrsi_1): Likewise; do not output compare.
16433 (strlen expander): Do not unroll when optimizing for size.
16434 (*subsi3_carry): Rename to subsi3_carry
16435 (addqi3_cc): New pattern.
16436 * i386.h (processor_costs): Add move_ratio field.
16437 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16438 * i386.c (*_cost): Set move_ratio.
16439 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16440 (x86_expand_strlensi_1): Rewrite the main loop.
16442 2000-01-17 Richard Henderson <rth@cygnus.com>
16444 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16445 * cse.c (find_comparison_args, fold_rtx): Likewise.
16446 * integrate.c (subst_constants): Likewise.
16447 * loop.c (get_condition): Likewise.
16449 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16451 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16453 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16455 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16456 (RESTORE_WARN_FLAGS): Unpack it.
16457 Change semantic type of extension to ttype.
16458 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16459 * c-parse.y, c-parse.c, objc/objc-parse.y,
16460 objc/objc-parse.c: Regenerate.
16462 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16464 * fixinc/fixlib.c: Add copyright notice.
16465 (compile_re): New function.
16466 * fixinc/fixlib.h: Prototype compile_re.
16468 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16469 Use compile_re to compile regular expressions.
16471 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16472 where the pattern matched.
16474 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16476 (ultrix_ansi_compat): Likewise.
16477 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16479 (interactv_add2, interactv_add3): Delete.
16480 (x11_sprintf): Don't use filename glob.
16481 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16484 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16486 * print-rtl.c: PROTO -> PARAMS.
16487 * real.c: Likewise.
16488 * reg-stack.c: Likewise.
16489 * resource.c: Likewise.
16490 * sdbout.h: Likewise.
16491 * simplify-rtx.c: Likewise.
16492 * stor-layout.c: Likewise.
16493 * stupid.c: Likewise.
16494 * xcoffout.c: Likewise.
16495 * xcoffout.h: Likewise.
16497 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16499 * toplev.c: PROTO -> PARAMS.
16500 * toplev.h: Likewise.
16501 * tree.c: Likewise.
16502 * tree.h: Likewise.
16503 * unroll.c: Likewise.
16504 * varasm.c: Likewise.
16505 * varray.c: Likewise.
16506 * varray.h: Likewise.
16508 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16510 * reload.c: PROTO -> PARAMS.
16511 * reload.h: Likewise.
16512 * reload1.c: Likewise.
16513 * reorg.c: Likewise.
16514 * resource.h: Likewise.
16517 * rtlanal.c: Likewise.
16518 * sbitmap.h: Likewise.
16519 * sdbout.c: Likewise.
16520 * stack.h: Likewise.
16521 * stmt.c: Likewise.
16522 * system.h: Likewise.
16524 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16526 * machmode.h: PROTO -> PARAMS.
16527 * mbchar.h: Likewise.
16528 * mips-tdump.c: Likewise.
16529 * mips-tfile.c: Likewise.
16530 * optabs.c: Likewise.
16531 * output.h: Likewise.
16532 * prefix.c: Likewise.
16533 * profile.c: Likewise.
16534 * protoize.c: Likewise.
16535 * real.h: Likewise.
16536 * recog.c: Likewise.
16537 * recog.h: Likewise.
16538 * regclass.c: Likewise.
16539 * regmove.c: Likewise.
16540 * regs.h: Likewise.
16542 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16544 * ggc-common.c: PROTO -> PARAMS.
16545 * ggc-page.c: Likewise.
16546 * ggc-simple.c: Likewise.
16548 * global.c: Likewise.
16549 * graph.c: Likewise.
16550 * gthr-win32.h: Likewise.
16551 * haifa-sched.c: Likewise.
16552 * halfpic.h: Likewise.
16553 * integrate.c: Likewise.
16554 * integrate.h: Likewise.
16555 * jump.c: Likewise.
16557 * local-alloc.c: Likewise.
16558 * loop.c: Likewise.
16559 * loop.h: Likewise.
16561 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16563 * genattr.c: PROTO -> PARAMS.
16564 * genattrtab.c: Likewise.
16565 * gencheck.c: Likewise.
16566 * gencodes.c: Likewise.
16567 * genconfig.c: Likewise.
16568 * genemit.c: Likewise.
16569 * genextract.c: Likewise.
16570 * genflags.c: Likewise.
16571 * gengenrtl.c: Likewise.
16572 * genopinit.c: Likewise.
16573 * genoutput.c: Likewise.
16574 * genpeep.c: Likewise.
16575 * genrecog.c: Likewise.
16577 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16579 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16581 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16583 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16584 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16585 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16586 * configure, config.in: Rebuilt.
16588 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16590 * config/i386/i386.md: Add peephole to merge successive stack
16593 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16595 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16596 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16597 when walking backwards to find all the parameter loads when
16598 the basic block ends in a call.
16600 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16602 * loop.c (this_loop_info): Delete.
16603 (uid_loop): Add in place of uid_loop_num. All uses updated.
16604 (loop_number_exit_count): Delete and replace with entry in loop
16605 structure. All uses updated.
16606 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16607 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16608 (loop_outer_loop): Likewise.
16609 (loop_invalid, loop_number_exit_labels): Likewise.
16610 (loop_used_count_register): Delete and replace with entry in
16611 loop_info structure.
16612 (find_and_verify_loops): Add loops argument.
16613 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16614 loop_end, etc. arguments with loop structure pointer. All callers
16616 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16617 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16618 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16619 (insert_bct): Likewise.
16620 (basic_induction_var): New argument level.
16621 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16622 vtop, and cont. Add used_count_register.
16623 (uid_loop): Delete declaration.
16624 (loop_number_exit_count): Likewise.
16625 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16626 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16627 (loop_outer_loop, loop_used_count_register): Likewise.
16628 (loop_invalid, loop_number_exit_labels): Likewise.
16629 (unroll_loop): Replace loop_start and loop_end arguments
16630 with loop structure pointer.
16631 (loop_precondition_p, loop_iterations): Likewise.
16632 Include basic-block.h.
16633 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16634 with loop structure pointer.
16635 (loop_precondition_p, loop_iterations): Likewise.
16636 * basic-block.h (struct loop): New entries vtop, cont,
16637 cont_dominator, start, end, top, scan_start, exit_labels,
16639 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16641 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16643 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16645 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16647 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16649 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16651 * pdp11-protos.h: New file.
16653 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16656 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16659 * pdp11.md: Likewise.
16661 * 2bsd.h: Likewise.
16663 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16665 * mn10300-protos.h: New file.
16667 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16670 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16673 * mn10300.md: Likewise.
16675 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16677 * mn10200-protos.h: New file.
16679 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16682 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16685 * mn10200.md: Likewise.
16687 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16689 * h8300-protos.h: New file.
16691 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
16694 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
16697 * h8300.md: Likewise.
16699 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16701 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
16702 (asm_emit_uninitialised): Likewise.
16704 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
16706 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
16707 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
16709 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16711 * config/mips/mips.c (override_options): Don't turn on extra
16712 alignment for mips16.
16714 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16716 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
16717 eabi, and make sure queued POSTINCREMENT rtl is emitted at
16720 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16722 * builtins.c (PAD_VARARGS_DOWN): Define.
16723 (std_expand_builtin_va_arg): Use the above macro.
16724 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
16725 * tm.texi (Register Arguments): Document the above macro.
16727 2000-01-14 Nick Clifton <nickc@cygnus.com>
16729 * emit-rtl.c (emit_insn): If checking is enabled, make sure
16730 that this function has not been used to emit a jump
16733 * jump.c (return_jump_1): Cope with being passed a null rtx.
16735 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16737 * eh-common.h: PROTO -> PARAMS.
16738 * emit-rtl.c: Likewise.
16739 * errors.c: Likewise.
16740 * errors.h: Likewise.
16741 * except.c: Likewise.
16742 * except.h: Likewise.
16743 * explow.c: Likewise.
16744 * expmed.c: Likewise.
16745 * expr.c: Likewise.
16746 * expr.h: Likewise.
16747 * final.c: Likewise.
16748 * fix-header.c: Likewise.
16749 * flow.c: Likewise.
16750 * fold-const.c: Likewise.
16751 * function.c: Likewise.
16752 * function.h: Likewise.
16754 * gcov-io.h: Likewise.
16755 * gcov.c: Likewise.
16756 * gcse.c: Likewise.
16758 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16760 * sh-protos.h: New file.
16762 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
16763 Add static prototypes. Fix compile time warnings.
16765 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
16769 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16771 * arc-protos.h: New file.
16773 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
16776 * arc.h: Move prototypes to arc-protos.h. Fix compile time
16779 * arc.md: Likewise.
16781 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16783 * dsp16xx-protos.h: New file.
16785 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
16788 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
16791 * dsp16xx.md: Likewise.
16793 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16795 * convex-protos.h: New file.
16797 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
16800 * convex.h: Move prototypes to convex-protos.h. Fix compile time
16803 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16805 * elxsi-protos.h: New file.
16807 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
16810 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
16813 * elxsi.md: Likewise.
16815 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16817 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
16818 case for moving from HI/LO/HI_LO_REG. This makes the behavior
16819 match the comment for MIPS16.
16821 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
16823 * flow.c (split_edge): Do not call set_block_for_insn if we
16824 do not have a basic_block_for_insn structure.
16826 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
16827 and destination functions are 32bit aligned within the trampoline.
16828 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
16829 (TRAMPOLINE_ALIGNMENT): Define.
16831 * cse.c (cse_insn): When changing (set (pc) (reg)) to
16832 (set (pc) (label_ref)), verify the change creates a valid insn.
16834 * fr30.c (call_operand): Tighten and rework to match rules for
16835 call RTL expressions.
16836 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
16837 * fr30.md (call patterns): Improve constraints.
16839 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
16841 * fr30.c (fr30_expand_epilogue): Revert last change.
16842 Use emit_jump_insn for the return insn.
16844 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
16845 Stan Cox <scox@cygnus.com>
16847 * predict.c: New file. Preliminary infrastructure work for static
16848 branch prediction and basic block reordering.
16849 * basic-block.h: Add prototype for estimate_probability.
16850 * Makefile.in: Add rules for predict.o.
16852 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
16854 * fixincludes (va_list): Use __not_va_list__ for the dummy.
16855 * fixinc/*: Likewise.
16857 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16859 * cccp.c: PROTO -> PARAMS.
16860 * cexp.y: Likewise.
16861 * collect2.c: Likewise.
16862 * combine.c: Likewise.
16863 * convert.h: Likewise.
16865 * dbxout.c: Likewise.
16866 * dbxout.h: Likewise.
16867 * diagnostic.c: Likewise.
16868 * doprint.c: Likewise.
16869 * dwarf2out.c: Likewise.
16870 * dwarf2out.h: Likewise.
16871 * dwarfout.c: Likewise.
16872 * dwarfout.h: Likewise.
16873 * dyn-string.h: Likewise.
16875 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16877 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
16878 macro conditionals guarding use.
16880 * dwarf2out.c: Include "tm_p.h".
16882 * function.c (locate_and_pad_parm): Mark parameter with
16884 (expand_function_end): Likewise for variable `context'.
16886 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
16888 2000-01-13 Nick Clifton <nickc@cygnus.com>
16890 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
16891 register to prevent compile time warnings.
16893 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
16895 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
16896 to avoid -Wtraditional warning.
16898 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16900 * 1750a-protos.h: New file.
16902 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
16905 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
16908 * 1750a.md: Likewise.
16910 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16912 * a29k-protos.h: New file.
16914 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
16917 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
16920 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16922 * clipper-protos.h: New file.
16924 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
16927 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
16930 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16932 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
16934 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
16936 * configure.in (--enable-new-gxx-abi): New option.
16937 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
16938 * Makefile.in (GXX_ABI_FLAG): New variable.
16939 * configure: Regenerate.
16941 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16943 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
16944 * tm.texi (FORCE_STRUCT_BLK): Document.
16945 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
16947 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
16949 * config/ns32k/ns32k.md: Revert Jan 9 change.
16951 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
16952 to a mode-test, if the predicate is address_operand.
16954 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
16956 * combine.c (if_then_else_cond): Be careful about what kinds
16957 of RTL expressions are passed to operand_subword.
16959 * flow.c (split_edge): If we have to insert a new jump, make
16960 sure to associate it with a basic block.
16962 * flow.c (commit_one_edge_insertion): A block with one successor
16963 can end in a JUMP_INSN that is not a simplejump.
16965 2000-01-12 Robert Lipe <robertl@sco.com>
16967 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
16968 (BUILD_VA_LIST_TYPE): Define.
16969 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
16972 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
16974 * cccp.c (do_pragma): Add cast to (char *).
16976 2000-01-12 Richard Henderson <rth@cygnus.com>
16977 Fred Fish <fnf@be.com>
16978 Jason Merrill <jason@cygnus.com>
16980 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
16981 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
16982 * i386/beos-elf.h, i386/beos-pe.h: New files.
16984 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
16985 * cross-make (SYSTEM_HEADER_DIR): Define using
16986 CROSS_SYSTEM_HEADER_DIR.
16988 * gcc.c (LIBRARY_PATH_ENV): Provide default.
16989 (process_command): Use it.
16990 (main): Likewise. Kill trailing = from env vars.
16991 (build_search_list): Put it back.
16992 * collect2.c (main): Use LIBRARY_PATH_ENV.
16994 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
16995 * toplev.c: Use NEED_DECLARATION_ENVIRON.
16997 * tm.texi (Frame Layout): Document SMALL_STACK.
16998 * c-common.c (c_common_nodes_and_builtins): Check it.
17000 * system.h: Undef alloca after including glibc's <stdlib.h>,
17001 if USE_C_ALLOCA is defined.
17003 * gcc.c (set_input): New fn.
17004 (main): After all input files are compiled, reset the input file
17007 * aclocal.m4 (rindex, index): If already defined, don't attempt
17010 * ginclude/varargs.h: (__va_list__): Define ifndef.
17011 * ginclude/stdarg.h: Likewise.
17013 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17014 instead of unsigned char.
17016 * hash.h (true, false, boolean): Undef before enum.
17018 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17019 proper type of "HOST_WIDE_INT *", rather than their natural type of
17020 "unsigned HOST_WIDE_INT *".
17022 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17024 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17026 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17028 * regclass.c (choose_hard_reg_mode): Likewise.
17030 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17032 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17034 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17036 * c-common.c: PROTO -> PARAMS.
17037 * c-common.h: Likewise.
17038 * c-decl.c: Likewise.
17039 * c-iterate.c: Likewise.
17040 * c-lang.c: Likewise.
17041 * c-lex.c: Likewise.
17042 * c-lex.h: Likewise.
17043 * c-parse.in: Likewise.
17044 * c-pragma.c: Likewise.
17045 * c-pragma.h: Likewise.
17046 * c-tree.h: Likewise.
17047 * c-typeck.c: Likewise.
17048 * objc/objc-act.c: Likewise.
17049 * objc/objc-act.h: Likewise.
17051 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17053 * m88k-protos.h: New file.
17055 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17058 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17060 * m88k.md: Likewise.
17062 * tekXD88.h: Likewise.
17064 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17066 * m68k-protos.h: New file.
17068 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17071 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17073 * mot3300.h: Likewise.
17075 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17077 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17079 (extract_bitlist): Declare bitlen.
17081 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17083 * cccp.c: Accept and ignore -lang-fortran.
17085 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17086 qualifiers don't match at any level of pointerness.
17088 2000-01-12 Robert Lipe <robertl@sco.com>
17090 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17092 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17094 * reload1.c (reload_reg_unavailable): New static variable.
17095 (reload_reg_free_p): Test it.
17096 (reload_reg_free_for_value_p): Test it instead of
17098 (choose_reload_regs_init): Compute it.
17100 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17102 * reorg.c (fill_slots_from_thread): Check modified_in_p
17105 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17107 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17108 these nodes even if INTERNALS is not set.
17110 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17112 * gcse.c (delete_null_pointer_checks_1): Cope when
17113 get_condition cannot determine the condition.
17115 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17117 * toplev.h (set_message_length): Declare.
17119 * diagnostic.c (obstack_chunk_alloc): Define macro.
17120 (obstack_chunk_free): Likewise.
17121 (struct output_buffer): New data structure.
17122 (vmessage): Remove.
17123 (output_maximum_width): New variable.
17124 (doing_line_wrapping, set_message_length, init_output_buffer,
17125 get_output_prefix, output_space_left, emit_output_prefix,
17126 output_newline, output_append, output_puts, dump_output,
17127 vbuild_message_string, build_message_string, build_location_prefix,
17128 voutput_notice, output_printf, line_wrapper_printf,
17129 vline_wrapper_message_with_location): New functions. Implement
17130 automatic line wrapping.
17131 (v_message_with_decl): Make it handle automatic line wrapping.
17132 (v_error_with_file_and_line): Likewise.
17133 (v_warning_with_file_and_line): Likewise.
17134 (announce_function): Likewise.
17135 (default_print_error_function): Likewise.
17137 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17139 * cpplib.h (struct cpp_options): Change lang_asm to char.
17141 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17142 done in cpp_handle_option now.
17143 (initialize_builtins): Take out special case code used only by
17145 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17146 if -traditional. Recognize -lang-fortran and set
17147 lang_fortran, also turn off cplusplus_comments.
17148 (print_help): Document -lang-fortran.
17149 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17150 lang_asm. Ignore all directives other than `# 123 "file"' if
17152 (cpp_get_token): If -traditional, don't recognize directives
17153 unless the # is in column 1.
17154 (parse_string): If lang_fortran or lang_asm, silently
17155 terminate strings ('' or "") at end of line.
17156 Remove unnecessary braces.
17158 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17159 Richard Henderson <rth@cygnus.com>
17161 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17163 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17164 strict_low_part when possible.
17166 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17168 * alias.c: PROTO -> PARAMS.
17169 * basic-block.h: Likewise.
17170 * bitmap.c: Likewise.
17171 * bitmap.h: Likewise.
17172 * builtins.c: Likewise.
17173 * c-aux-info.c: Likewise.
17174 * caller-save.c: Likewise.
17175 * calls.c: Likewise.
17177 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17179 * Makefile.in (toplev.o): Depend on regs.h.
17181 * output.h (tdesc_section): Prototype.
17183 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17185 * sdbout.c: Include "tm_p.h".
17187 * toplev.c: Include "regs.h".
17189 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17191 * unroll.c (unroll_loop): Add EH support.
17193 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17195 * pa-protos.h: New file.
17197 * pa.c: Include recog.h and tm_p.h.
17198 (compute_zdepwi_operands, compute_movstrsi_length,
17199 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17200 find_addr_reg, import_milli): Add static prototypes.
17201 (pa_cpu_string, pa_arch_string): Constify a char*.
17202 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17203 (read_only_operand): Add argument `mode'.
17204 (singlemove_string, output_move_double, output_fp_move_double,
17205 output_block_move, output_and, output_ior, output_ascii,
17206 remove_useless_addtr_insns, milli_names, output_mul_insn,
17207 output_div_insn, output_mod_insn, output_arg_descriptor,
17208 output_cbranch, output_bb, output_bvb, output_dbra, ,
17209 output_millicode_call, output_call, hppa_encode_label,
17210 output_parallel_movb, output_parallel_addb): Constify a char*.
17211 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17212 (output_parallel_addb): Remove extra arg to `constrain_operands'
17214 * pa.h: Move all prototypes to pa-protos.h.
17215 (pa_cpu_string, pa_arch_string): Constify a char*.
17216 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17218 * pa.md: Call `function_label_operand' with mode argument.
17219 Likewise for `read_only_operand'.
17220 Fix nesting of parens in call to `symbolic_operand'.
17222 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17224 * i860-protos.h: New file.
17226 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17229 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17231 * i860.md: Likewise.
17233 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17235 * i386.md (movstrsi expander): Rewrite.
17236 (movstrsi_1 insn): Deleted.
17237 (strmovhi, strmovqi expander): New expanders.
17238 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17239 * i386.c (x86_single_stringop): New global variable.
17240 * i386.h (x86_single_stringop): Declare.
17241 (TARGET_SINGLE_STRINGOP): New macro.
17243 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17245 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17246 integer vararg POSTINCREMENT before the destination of the jump
17247 for the hard fp case.
17248 (function_arg_pass_by_reference): Pass a copy of CUM to
17251 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17252 for CONSTANT_ADDRESS_P above while loop for subreg.
17254 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17256 * flow.c (propagate_block): When a prologue/epilogue insn
17257 is marked dead, unconditionally clear libcall_is_dead and
17258 insn_is_dead, and only dump rtl if warnings aren't being
17261 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17263 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17264 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17265 (FIXED_REGISTERS): Set dirflag as fixed.
17266 (CALL_USED_REGISTERS): Set dirflag as used.
17267 (REG_ALLOC_ORDER): Set dirflag as last one.
17268 (DIRFLAG_REG): New macro.
17269 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17270 (HI_REGISTER_NAMES): Add dirflag.
17271 (DEBUF_PRINT_REG): Handle dirflag.
17272 * i386.md (type attribute): New cld and str types.
17273 (length_opcode attribute): Set cld and str to 1.
17274 (memory attribute): Set str to unknown - it is not clear from the
17276 (pent_np function unit): Prefixed string operations takes 12 cycles
17277 minimally; cld takes 2 cycles.
17278 (ppro_uops attribute): Str is "many" and cld is "few".
17279 (ppro_p0 unit): Handle cld here.
17280 (k6_alux unit): Handle cld and str types.
17281 (k6_load unit): It is ocupied by str opcodes.
17282 (k6_store unit): It is ocupied by str opcodes.
17283 (athlon_decode): Str is vector decoded.
17284 (athlon_ieu): Handle str and cld.
17285 (cld pattern): New.
17286 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17287 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17288 cmpstrsi_nz_1 insn): Do not output cld instruction
17290 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17292 * gcc.texi (G++ and GCC): Add Java and Chill.
17293 (Bug Critera): Don't list languages.
17295 * gcc.texi (Incompatibilities): No longer claim most C compilers
17298 * gcc.texi (G++ and GCC): Update other front-ends list.
17300 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17302 * i386.c (ix86_expand_setcc): Fix typo.
17303 (ix86_expand_movcc): Similarly.
17305 * Band-aid until haifa's bitset implementation is nuked.
17306 * haifa-sched.c (extract_bitlst): New parameter for size of the
17307 bitset in bits. All callers changed. Avoid looking at undefined
17308 bits in the bitset.
17309 (edgeset_bitsize): New variable.
17310 (schedule_region): Initialize edgeset_bitsize.
17312 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17314 * Makefile.in (optabs.o): Depend on real.h
17315 (resource.o): Depend on insn-attr.h
17317 * builtins.c (result_vector): Wrap prototype in macro conditions
17318 governing definition and use.
17320 * c-common.c: Include tm_p.h.
17322 * c-lex.c: Likewise.
17324 * elfos.h: Constify a char*.
17326 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17327 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17328 parameter with ATTRIBUTE_UNUSED.
17330 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17333 * haifa-sched.c (schedule_insns): Mark parameter with
17336 * optabs.c: Include real.h.
17338 * real.h (ereal_atof): Add prototype arguments.
17340 * resource.c: Include insn-attr.h.
17342 * sdbout.c (sdbout_queue_anonymous_type,
17343 sdbout_dequeue_anonymous_types): Wrap in macro
17344 SDB_ALLOW_FORWARD_REFERENCES.
17345 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17348 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17350 * stupid.c: Include tm_p.h.
17352 * tree.c (real_value_from_int_cst): Mark parameter with
17355 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17357 * i960-protos.h: New file.
17359 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17362 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17364 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17366 * combine.c (expand_field_assignment): Do not discard SUBREGs
17367 while computing nonzero_bits.
17369 2000-01-09 Nick Clifton <nickc@cygnus.com>
17371 * config/arm/arm.c: Fix compile time warnings about signed vs
17372 unsigned constants.
17373 * config/arm/arm.h: Fix compile time warnings about signed vs
17374 unsigned constants.
17376 2000-01-09 Philip Blundell <philb@gnu.org>
17378 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17379 than `ldm' with only one register.
17380 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17383 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17386 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17388 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17391 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17393 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17394 assignment used as truth value.
17396 * function.c (assign_temp): Mark parameter `dont_promote' with
17397 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17398 PROMOTE_FOR_CALL_ONLY.
17400 * genrecog.c (write_subroutine): Mark variable `operands' with
17403 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17406 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17407 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17409 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17412 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17414 * config/c4x.h: Tidy up comments.
17415 * config/c4x.c: Likewise.
17417 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17419 * fold-const.c (lshift_double, rshift_double): Handle
17420 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17422 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17424 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17425 in prepare_function_start().
17427 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17429 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17430 longer allocate extra stack for function calls.
17432 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17434 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17436 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17438 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17440 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17442 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17443 * aix43.h: Revert Aug 2 change.
17444 (HAS_INIT_SECTION): Define, not visible yet.
17445 (LD_INIT_SWITCH): Define, not visible yet.
17446 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17448 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17450 * collect2.c (main): Expand ld2 size further.
17451 (export_object_lst): Cast assignment to avoid warning.
17452 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17453 (scan_prog_file, COFF): Do not collect initialization or
17454 finalization functions generated for entire shared object if
17455 init/fini support present.
17457 2000-01-07 Nick Clifton <nickc@cygnus.com>
17459 * config/elfos.h: Tidy up formatting of marcos. Make sure
17460 that .section directives are always prefixed by a tab.
17462 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17465 2000-01-07 Matt Austern <austern@sgi.com>
17467 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17470 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17472 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17474 (crtbegin.o, s-crtS): Likewise.
17476 2000-01-06 Richard Henderson <rth@cygnus.com>
17478 * alpha.md (adddi_2+1): Limit offset such that it will be
17479 loadable with a single ldah+lda pair.
17480 (adddi_2+2): Explicitly fail split if we can't make it work.
17482 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17484 * protoize.c: Conditionally include unistd.h.
17485 (IS_SAME_PATH_CHAR): New macro.
17486 (IS_SAME_PATH): New macro.
17487 (CPLUS_FILE_SUFFIX): New macro.
17488 (cplus_suffix): New static variable.
17489 (is_abspath): New static function.
17490 (in_system_include_dir): Handle DOS style pathnames.
17491 (file_could_be_converted): Likewise.
17492 (file_normally_convertible): Likewise.
17493 (directory_specified_p): Likewise.
17494 (file_excluded_p): Likewise.
17495 (abspath): Likewise.
17496 (shortpath): Likewise.
17497 (referenced_file_is_newer): Likewise.
17498 (save_def_or_dec): Likewise.
17499 (do_processing): Likewise.
17501 (edit_file): Likewise. Use rename instead of link.
17502 (rename_c_file): Likewise. Don't rename syscalls file.
17503 (munge_compile_params): Define null device for DOS based systems.
17504 (process_aux_info_file): Use binary mode if appliable.
17505 (edit_file): Likewise.
17506 * invoke.texi (Running Protoize): Document C++ suffixes used.
17508 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17509 IS_DIR_SEPARATOR macros.
17510 * collect2.c: Likewise.
17511 * cppinit.c: Likewise.
17512 * dwarf2out.c: Likewise.
17514 * gcov.c: Likewise.
17515 * prefix.c: Likewise.
17517 * toplev.c: Likewise.
17518 * system.h: And move to here.
17520 * prefix.c (update_path): Fix typo in variable name.
17522 2000-01-06 Richard Henderson <rth@cygnus.com>
17524 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17525 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17526 (count_reg_sets_1, count_reg_references): Likewise.
17527 (flow_loops_level_compute): Start counting actual loop depth at 1.
17528 (flow_loops_find): Likewise.
17529 * local-alloc.c (update_equiv_regs): Likewise.
17530 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17532 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17534 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17535 FIRST_PSEUDO_REGISTER
17536 * dwarf2out.c: Don't include frame.h
17537 * dwarfout.c: Likewise
17538 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17541 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17543 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17546 * i386.c (movsf splitter): Fix typo in my last checkin.
17548 2000-01-05 Nick Clifton <nickc@cygnus.com>
17550 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17551 own definition of this macro.
17552 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17553 flag_data_sections or UNIQUE_SECTION_P are true.
17555 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17556 unitialised data decls.
17558 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17559 being called for uninitialised data.
17561 * config/i386/interix.c (i386_pe_unique_section): Cope with
17562 being called for uninitialised data.
17564 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17565 for uninitialised data.
17567 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17568 for uninitialised data.
17570 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17571 for uninitialised data.
17573 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17574 (UNIQUE_SECTION_P): Always generate a unique section if
17575 flag_data_sections is true.
17576 (UNIQUE_SECTION): Also generate unique sections for
17577 uninitialised data.
17578 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17579 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17582 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17584 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17587 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17589 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17590 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17591 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17592 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17593 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17595 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17597 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17599 * c-decl.c (finish_enum): Simplify code to determine minimum and
17600 maximum values of the enum, and calculate the type. Remove check
17601 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17602 the DECL_INITIAL of each enumeration constant with a copy converted
17603 to the enumeration type. When updating variant types, don't bother
17604 updating the type itself.
17606 * c-typeck.c (build_binary_op): Simplify conditional expressions
17607 when weeding out spurious signed-unsigned warnings. Add new
17608 spurious warning category: if the unsigned quantity is an enum
17609 and its maximum value fits in signed_type(result_type). Update
17611 (build_conditional_expr): Warn here if one alternative is signed
17612 and the other is unsigned.
17614 2000-01-05 Nick Clifton <nickc@cygnus.com>
17616 * config/fr30/fr30.h: Remove extraneous comments.
17618 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17620 * reload1.c (choose_reload_regs): When disabling a reload, also
17621 set reload_spill_index to -1.
17623 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17625 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17627 (m68*-*-rtemself*): New target.
17628 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17629 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17630 (sparc*-*-rtemself*): New target.
17631 (sparc*-*-rtems*): Now elf not a.out.
17632 * config/i386/rtems.h: Include config/rtems.h.
17633 * config/i386/rtemself.h: Include config/rtems.h.
17634 * config/i960/rtems.h: Include config/rtems.h.
17635 * config/m68k/rtems.h: Include config/rtems.h.
17636 * config/m68k/rtemself.h: Include config/rtems.h.
17637 * config/mips/rtems64.h: Include config/rtems.h.
17638 * config/pa/rtems.h: Include config/rtems.h.
17639 * config/rs6000/rtems.h: Include config/rtems.h.
17640 * config/sh/rtems.h: Include config/rtems.h.
17641 * config/sh/rtemself.h: Include config/rtems.h.
17642 * config/sparc/rtems.h: Include config/rtems.h.
17643 * config/sparc/rtemself.h: Include config/rtems.h
17645 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17647 * final.c (shorten_branches): Correctly compute length of
17648 asms without operands.
17650 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17652 * configure.in: Add pj target.
17653 * configure: Regenerate.
17654 * config/pj: New directory.
17655 * config/pj/lib1funcs.S: New file.
17656 * config/pj/linux.h: New file.
17657 * config/pj/pj.c: New file.
17658 * config/pj/pj.md: New file.
17659 * config/pj/pjl.h: New file.
17660 * config/pj/t-pj: New file.
17661 * config/pj/xm-pj.h: New file
17663 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17665 * toplev.c (rest_of_compilation): Run shorten-branches before
17668 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17670 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17671 macros so that they're consistent with their names.
17672 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17673 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17675 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17677 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17678 modified inadvertently.
17680 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17682 * configure.in (v850*-*-rtems*): New target.
17683 * configure: Regenerate.
17684 * config/v850/rtems.h: New file.
17686 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17688 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17689 (__gthread_key_create): Likewise.
17690 (__gthread_key_dtor): Likewise.
17691 (__gthread_once): Fix logic.
17692 (__gthread_key_delete): Cast away constness.
17694 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
17695 * invoke.texi: Document.
17696 * i386/mingw32.h (CPP_SPEC): Use.
17697 (LIBGCC_SPEC): Likewise.
17698 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
17700 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17702 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
17703 (HANDLE_PRAGMA_PACK): Undefine.
17704 (SLOW_UNALIGNED_ACCESS): Define.
17706 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17708 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17709 to default definition.
17710 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
17711 (store_fixed_bit_field): Call macro with word_mode and alignment.
17712 (extract_bit_field): Call macro with relevant mode and alignment.
17713 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17714 to default definition.
17715 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
17717 (move_by_pieces_ninsns): Likewise.
17718 (clear_by_pieces): Likewise.
17719 (emit_push_insn): Likewise.
17720 (store_field): Call macro with relevant mode and alignment.
17721 (expand_expr): Likewise.
17722 (expand_expr_unaligned): Likewise.
17724 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
17725 (SLOW_UNALIGNED_ACCESS): Define.
17726 (CASE_VECTOR_MODE): Always use 32-bit offsets.
17727 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
17728 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
17729 (toc_section): Likewise and .toc pseudo-op.
17730 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
17732 (TEXT_SECTION_ASM_OP): Likewise.
17733 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
17736 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
17737 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
17738 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
17739 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
17740 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
17742 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
17744 * regclass.c: Revert my Jan 4 change to loop cost computation.
17746 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17748 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
17751 2000-01-04 Stan Cox <scox@cygnus.com>
17753 * haifa-sched.c (build_control_flow): Change unreachable simple
17754 loop test to check if current block has only one predecessor.
17755 (find_rgns): Initialize degree. Use dest as degree index, not src.
17757 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17759 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
17761 * calls.c (expand_call): Likewise for
17762 `old_stack_arg_under_construction'.
17764 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
17766 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
17769 * gcc.c (execute): Likewise for `ut' and `st'.
17771 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
17773 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
17775 * jump.c (jump_optimize_1): Likewise for `temp2'.
17777 * local-alloc.c (block_alloc): Likewise for `r1'.
17779 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
17781 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
17782 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
17784 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
17787 * reload.c (find_reloads): Likewise for `goal_alternative_number'
17788 and `goal_earlyclobber'.
17790 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
17792 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
17794 * stupid.c (stupid_life_analysis): Likewise for `chain'.
17796 * unroll.c (copy_loop_body): Likewise for `copy'.
17798 * varasm.c (output_constructor): Likewise for `byte'.
17800 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17802 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
17803 all FP constants for constant->reg moves.
17804 (ix86_split_to_parts): Try to convert memory address into immediate
17805 when available in the constant pool.
17806 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
17808 (LEGITIMATE_CONSTANT_P): Return 1.
17809 * i386.md (pushsf): New splitter to convert constant pool memory
17810 reference to immediate.
17811 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
17814 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
17816 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
17817 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
17818 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
17819 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
17820 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
17822 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
17824 * ginclude/stdbool.h: Support compilation as C++.
17826 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17828 * fold-const.c (make_range): Don't try to reverse an unbounded range.
17830 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
17832 * regclass.c (regclass): Properly compute loop_cost. Adjust
17835 * regclass.c: Fix minor whitespace problems.
17837 2000-01-03 Anthony Green <green@cygnus.com>
17839 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
17840 Restore the pic register if required.
17842 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
17844 * c-common.c (format_char_info): Update comment.
17845 (check_format_info): Recognize 'z' modifier in the same way 'Z'
17846 was recognized. Emit warning for formats new in ISO C99 only
17847 if flag_isoc9x is not set.
17849 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
17851 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
17853 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17855 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
17856 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
17857 (make_compound_operation): Choose cheaper alternative between
17858 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
17860 * regclass.c (op_costs): Remove global variable.
17861 (record_reg_classes): New parameter "op_costs" and "reg_pref".
17862 (record_operand_costs): Break out from ...
17863 (scan_one_insn): ... here.
17864 (dump_regclass): Make dumps nicer.
17865 (regclass): Dump preferrences choosed and changes done during passes.
17867 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17869 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
17871 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17873 * config/sparc/sparc.c (gen_df_reg): New function.
17874 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
17875 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
17876 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
17877 movtf_cc_reg_sp64+1): Use it.
17879 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17881 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
17882 copied LABEL_DECLs.
17884 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
17886 * config/i386/i386.c (ix86_expand_unary_operator): Function
17887 definition made void.
17888 (ix86_expand_binary_operator): Update outdated preceding comment.
17889 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
17892 * config/i386/i386.c (override_options): Fix option-name typo.
17894 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17896 * system.h (CEIL): Define.
17897 * builtins.c (CEIL): Remove.
17898 * expmed.c (CEIL): Likewise.
17899 * expr.c (CEIL): Likewise.
17900 * stor-layout.c (CEIL): Likewise.
17902 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17904 * expr.c (store_constructor_field): Fix typo introduced with last
17907 2000-01-01 Mark Mitchell <mark@codesourcery.com>
17909 * tree.h (BINFO_N_BASETYPES): New macro.
17911 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
17913 * expmed.c (emit_store_flag): Prevent losing a pending stack
17914 adjust the same way we prevent losing queued increments.
17916 See ChangeLog.2 for earlier changes.